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2cd18f76 | 1 | # configure.ac for GCC |
01dc27ef | 2 | # Process this file with autoconf to generate a configuration script. |
3 | ||
6ccd4361 | 4 | # Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, |
31d2f7ca | 5 | # 2007, 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc. |
01dc27ef | 6 | |
f12b58b3 | 7 | #This file is part of GCC. |
01dc27ef | 8 | |
f12b58b3 | 9 | #GCC is free software; you can redistribute it and/or modify it under |
10 | #the terms of the GNU General Public License as published by the Free | |
8c4c00c1 | 11 | #Software Foundation; either version 3, or (at your option) any later |
f12b58b3 | 12 | #version. |
01dc27ef | 13 | |
f12b58b3 | 14 | #GCC is distributed in the hope that it will be useful, but WITHOUT |
15 | #ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
16 | #FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
17 | #for more details. | |
01dc27ef | 18 | |
19 | #You should have received a copy of the GNU General Public License | |
8c4c00c1 | 20 | #along with GCC; see the file COPYING3. If not see |
21 | #<http://www.gnu.org/licenses/>. | |
01dc27ef | 22 | |
7349ace9 | 23 | # -------------------------------- |
24 | # Initialization and sanity checks | |
25 | # -------------------------------- | |
26 | ||
81a71e2b | 27 | AC_PREREQ(2.64) |
1211e6bc | 28 | AC_INIT |
29 | AC_CONFIG_SRCDIR(tree.c) | |
764fc592 | 30 | AC_CONFIG_HEADER(auto-host.h:config.in) |
805483cf | 31 | |
f32e3360 | 32 | gcc_version=`cat $srcdir/BASE-VER` |
33 | ||
7349ace9 | 34 | # Determine the host, build, and target systems |
1211e6bc | 35 | AC_CANONICAL_BUILD |
36 | AC_CANONICAL_HOST | |
37 | AC_CANONICAL_TARGET | |
7349ace9 | 38 | |
d58156a1 | 39 | # Determine the noncanonical target name, for directory use. |
dabbc00f | 40 | ACX_NONCANONICAL_TARGET |
d58156a1 | 41 | |
4f442f07 | 42 | # Determine the target- and build-specific subdirectories |
43 | GCC_TOPLEV_SUBDIRS | |
44 | ||
7349ace9 | 45 | # Set program_transform_name |
46 | AC_ARG_PROGRAM | |
01dc27ef | 47 | |
279894f2 | 48 | # Check for bogus environment variables. |
49 | # Test if LIBRARY_PATH contains the notation for the current directory | |
50 | # since this would lead to problems installing/building glibc. | |
51 | # LIBRARY_PATH contains the current directory if one of the following | |
52 | # is true: | |
53 | # - one of the terminals (":" and ";") is the first or last sign | |
54 | # - two terminals occur directly after each other | |
55 | # - the path contains an element with a dot in it | |
56 | AC_MSG_CHECKING(LIBRARY_PATH variable) | |
57 | changequote(,)dnl | |
58 | case ${LIBRARY_PATH} in | |
59 | [:\;]* | *[:\;] | *[:\;][:\;]* | *[:\;]. | .[:\;]*| . | *[:\;].[:\;]* ) | |
60 | library_path_setting="contains current directory" | |
61 | ;; | |
62 | *) | |
63 | library_path_setting="ok" | |
64 | ;; | |
65 | esac | |
66 | changequote([,])dnl | |
67 | AC_MSG_RESULT($library_path_setting) | |
68 | if test "$library_path_setting" != "ok"; then | |
69 | AC_MSG_ERROR([ | |
70 | *** LIBRARY_PATH shouldn't contain the current directory when | |
edf2430c | 71 | *** building gcc. Please change the environment variable |
279894f2 | 72 | *** and run configure again.]) |
73 | fi | |
74 | ||
75 | # Test if GCC_EXEC_PREFIX contains the notation for the current directory | |
76 | # since this would lead to problems installing/building glibc. | |
77 | # GCC_EXEC_PREFIX contains the current directory if one of the following | |
78 | # is true: | |
79 | # - one of the terminals (":" and ";") is the first or last sign | |
80 | # - two terminals occur directly after each other | |
81 | # - the path contains an element with a dot in it | |
82 | AC_MSG_CHECKING(GCC_EXEC_PREFIX variable) | |
83 | changequote(,)dnl | |
84 | case ${GCC_EXEC_PREFIX} in | |
85 | [:\;]* | *[:\;] | *[:\;][:\;]* | *[:\;]. | .[:\;]*| . | *[:\;].[:\;]* ) | |
86 | gcc_exec_prefix_setting="contains current directory" | |
87 | ;; | |
88 | *) | |
89 | gcc_exec_prefix_setting="ok" | |
90 | ;; | |
91 | esac | |
92 | changequote([,])dnl | |
93 | AC_MSG_RESULT($gcc_exec_prefix_setting) | |
94 | if test "$gcc_exec_prefix_setting" != "ok"; then | |
95 | AC_MSG_ERROR([ | |
96 | *** GCC_EXEC_PREFIX shouldn't contain the current directory when | |
edf2430c | 97 | *** building gcc. Please change the environment variable |
279894f2 | 98 | *** and run configure again.]) |
99 | fi | |
100 | ||
7349ace9 | 101 | # ----------- |
102 | # Directories | |
103 | # ----------- | |
104 | ||
105 | # Specify the local prefix | |
106 | local_prefix= | |
107 | AC_ARG_WITH(local-prefix, | |
bc6c87c1 | 108 | [AS_HELP_STRING([--with-local-prefix=DIR], |
109 | [specifies directory to put local include])], | |
7349ace9 | 110 | [case "${withval}" in |
111 | yes) AC_MSG_ERROR(bad value ${withval} given for local include directory prefix) ;; | |
112 | no) ;; | |
113 | *) local_prefix=$with_local_prefix ;; | |
114 | esac]) | |
115 | ||
116 | # Default local prefix if it is empty | |
117 | if test x$local_prefix = x; then | |
118 | local_prefix=/usr/local | |
119 | fi | |
120 | ||
121 | # Don't set gcc_gxx_include_dir to gxx_include_dir since that's only | |
122 | # passed in by the toplevel make and thus we'd get different behavior | |
123 | # depending on where we built the sources. | |
124 | gcc_gxx_include_dir= | |
125 | # Specify the g++ header file directory | |
126 | AC_ARG_WITH(gxx-include-dir, | |
bc6c87c1 | 127 | [AS_HELP_STRING([--with-gxx-include-dir=DIR], |
128 | [specifies directory to put g++ header files])], | |
7349ace9 | 129 | [case "${withval}" in |
130 | yes) AC_MSG_ERROR(bad value ${withval} given for g++ include directory) ;; | |
131 | no) ;; | |
132 | *) gcc_gxx_include_dir=$with_gxx_include_dir ;; | |
133 | esac]) | |
134 | ||
0bf9691e | 135 | # This logic must match libstdc++-v3/acinclude.m4:GLIBCXX_EXPORT_INSTALL_INFO. |
7349ace9 | 136 | if test x${gcc_gxx_include_dir} = x; then |
137 | if test x${enable_version_specific_runtime_libs} = xyes; then | |
138 | gcc_gxx_include_dir='${libsubdir}/include/c++' | |
139 | else | |
0bf9691e | 140 | libstdcxx_incdir='include/c++/$(version)' |
141 | if test x$host != x$target; then | |
142 | libstdcxx_incdir="$target_alias/$libstdcxx_incdir" | |
143 | fi | |
fc5f9e0c | 144 | gcc_gxx_include_dir="\$(libsubdir)/\$(libsubdir_to_prefix)$libstdcxx_incdir" |
7349ace9 | 145 | fi |
146 | fi | |
147 | ||
36ddd5fe | 148 | gcc_gxx_include_dir_add_sysroot=0 |
149 | if test "${with_sysroot+set}" = set; then | |
150 | gcc_gxx_without_sysroot=`expr "${gcc_gxx_include_dir}" : "${with_sysroot}"'\(.*\)'` | |
151 | if test "${gcc_gxx_without_sysroot}"; then | |
152 | gcc_gxx_include_dir="${gcc_gxx_without_sysroot}" | |
153 | gcc_gxx_include_dir_add_sysroot=1 | |
154 | fi | |
155 | fi | |
156 | ||
7349ace9 | 157 | AC_ARG_WITH(cpp_install_dir, |
bc6c87c1 | 158 | [AC_HELP_STRING([--with-cpp-install-dir=DIR], |
159 | [install the user visible C preprocessor in DIR | |
160 | (relative to PREFIX) as well as PREFIX/bin])], | |
7349ace9 | 161 | [if test x$withval = xyes; then |
162 | AC_MSG_ERROR([option --with-cpp-install-dir requires an argument]) | |
163 | elif test x$withval != xno; then | |
164 | cpp_install_dir=$withval | |
165 | fi]) | |
166 | ||
37c96b91 | 167 | # We would like to our source tree to be readonly. However when releases or |
168 | # pre-releases are generated, the flex/bison generated files as well as the | |
169 | # various formats of manuals need to be included along with the rest of the | |
170 | # sources. Therefore we have --enable-generated-files-in-srcdir to do | |
171 | # just that. | |
172 | ||
a6b4c5a9 | 173 | AC_MSG_CHECKING([whether to place generated files in the source directory]) |
174 | dnl generated-files-in-srcdir is disabled by default | |
175 | AC_ARG_ENABLE(generated-files-in-srcdir, | |
bc6c87c1 | 176 | [AS_HELP_STRING([--enable-generated-files-in-srcdir], |
177 | [put copies of generated files in source dir | |
178 | intended for creating source tarballs for users | |
179 | without texinfo bison or flex])], | |
a6b4c5a9 | 180 | generated_files_in_srcdir=$enableval, |
181 | generated_files_in_srcdir=no) | |
182 | ||
183 | AC_MSG_RESULT($generated_files_in_srcdir) | |
184 | ||
185 | if test "$generated_files_in_srcdir" = "yes"; then | |
186 | GENINSRC='' | |
a6b4c5a9 | 187 | else |
188 | GENINSRC='#' | |
a6b4c5a9 | 189 | fi |
190 | AC_SUBST(GENINSRC) | |
37c96b91 | 191 | |
7349ace9 | 192 | # ------------------- |
193 | # Find default linker | |
194 | # ------------------- | |
01dc27ef | 195 | |
196 | # With GNU ld | |
197 | AC_ARG_WITH(gnu-ld, | |
bc6c87c1 | 198 | [AS_HELP_STRING([--with-gnu-ld], [arrange to work with GNU ld])], |
c4f70bb2 | 199 | gnu_ld_flag="$with_gnu_ld", |
200 | gnu_ld_flag=no) | |
01dc27ef | 201 | |
f07251bc | 202 | # With pre-defined ld |
203 | AC_ARG_WITH(ld, | |
bc6c87c1 | 204 | [AS_HELP_STRING([--with-ld], [arrange to use the specified ld (full pathname)])], |
f8b7dbdb | 205 | DEFAULT_LINKER="$with_ld") |
206 | if test x"${DEFAULT_LINKER+set}" = x"set"; then | |
207 | if test ! -x "$DEFAULT_LINKER"; then | |
b452b31a | 208 | AC_MSG_ERROR([cannot execute: $DEFAULT_LINKER: check --with-ld or env. var. DEFAULT_LINKER]) |
16e09e89 | 209 | elif $DEFAULT_LINKER -v < /dev/null 2>&1 | grep GNU > /dev/null; then |
f07251bc | 210 | gnu_ld_flag=yes |
211 | fi | |
42f1312d | 212 | AC_DEFINE_UNQUOTED(DEFAULT_LINKER,"$DEFAULT_LINKER", |
213 | [Define to enable the use of a default linker.]) | |
f07251bc | 214 | fi |
215 | ||
7349ace9 | 216 | AC_MSG_CHECKING([whether a default linker was specified]) |
217 | if test x"${DEFAULT_LINKER+set}" = x"set"; then | |
218 | if test x"$gnu_ld_flag" = x"no"; then | |
219 | AC_MSG_RESULT([yes ($DEFAULT_LINKER)]) | |
220 | else | |
221 | AC_MSG_RESULT([yes ($DEFAULT_LINKER - GNU ld)]) | |
222 | fi | |
223 | else | |
224 | AC_MSG_RESULT(no) | |
225 | fi | |
226 | ||
9c948bc2 | 227 | # With demangler in GNU ld |
228 | AC_ARG_WITH(demangler-in-ld, | |
bc6c87c1 | 229 | [AS_HELP_STRING([--with-demangler-in-ld], [try to use demangler in GNU ld])], |
9c948bc2 | 230 | demangler_in_ld="$with_demangler_in_ld", |
73caa9f3 | 231 | demangler_in_ld=yes) |
9c948bc2 | 232 | |
7349ace9 | 233 | # ---------------------- |
234 | # Find default assembler | |
235 | # ---------------------- | |
236 | ||
01dc27ef | 237 | # With GNU as |
238 | AC_ARG_WITH(gnu-as, | |
bc6c87c1 | 239 | [AS_HELP_STRING([--with-gnu-as], [arrange to work with GNU as])], |
c4f70bb2 | 240 | gas_flag="$with_gnu_as", |
241 | gas_flag=no) | |
01dc27ef | 242 | |
f07251bc | 243 | AC_ARG_WITH(as, |
bc6c87c1 | 244 | [AS_HELP_STRING([--with-as], [arrange to use the specified as (full pathname)])], |
f8b7dbdb | 245 | DEFAULT_ASSEMBLER="$with_as") |
246 | if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then | |
247 | if test ! -x "$DEFAULT_ASSEMBLER"; then | |
b452b31a | 248 | AC_MSG_ERROR([cannot execute: $DEFAULT_ASSEMBLER: check --with-as or env. var. DEFAULT_ASSEMBLER]) |
16e09e89 | 249 | elif $DEFAULT_ASSEMBLER -v < /dev/null 2>&1 | grep GNU > /dev/null; then |
f07251bc | 250 | gas_flag=yes |
251 | fi | |
42f1312d | 252 | AC_DEFINE_UNQUOTED(DEFAULT_ASSEMBLER,"$DEFAULT_ASSEMBLER", |
253 | [Define to enable the use of a default assembler.]) | |
f8b7dbdb | 254 | fi |
f07251bc | 255 | |
7349ace9 | 256 | AC_MSG_CHECKING([whether a default assembler was specified]) |
257 | if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then | |
258 | if test x"$gas_flag" = x"no"; then | |
259 | AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER)]) | |
6e014aa3 | 260 | else |
7349ace9 | 261 | AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER - GNU as)]) |
6e014aa3 | 262 | fi |
7349ace9 | 263 | else |
264 | AC_MSG_RESULT(no) | |
6e014aa3 | 265 | fi |
01dc27ef | 266 | |
7349ace9 | 267 | # --------------- |
268 | # Find C compiler | |
269 | # --------------- | |
1c6c0617 | 270 | |
f7a804c7 | 271 | # If a non-executable a.out is present (e.g. created by GNU as above even if |
272 | # invoked with -v only), the IRIX 6 native ld just overwrites the existing | |
273 | # file, even when creating an executable, so an execution test fails. | |
274 | # Remove possible default executable files to avoid this. | |
275 | # | |
276 | # FIXME: This really belongs into AC_PROG_CC and can be removed once | |
277 | # Autoconf includes it. | |
278 | rm -f a.out a.exe b.out | |
279 | ||
0fa54ff1 | 280 | # Find the native compiler |
281 | AC_PROG_CC | |
524a54cf | 282 | AM_PROG_CC_C_O |
7ab76cec | 283 | AC_PROG_CXX |
f1984c57 | 284 | ACX_PROG_GNAT([-I"$srcdir"/ada]) |
285 | ||
0fa54ff1 | 286 | # autoconf is lame and doesn't give us any substitution variable for this. |
287 | if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then | |
288 | NO_MINUS_C_MINUS_O=yes | |
289 | else | |
290 | OUTPUT_OPTION='-o $@' | |
291 | fi | |
292 | AC_SUBST(NO_MINUS_C_MINUS_O) | |
293 | AC_SUBST(OUTPUT_OPTION) | |
294 | ||
c81c13fb | 295 | # Remove the -O2: for historical reasons, unless bootstrapping we prefer |
296 | # optimizations to be activated explicitly by the toplevel. | |
297 | case "$CC" in | |
298 | */prev-gcc/xgcc*) ;; | |
9dbf9573 | 299 | *) CFLAGS=`echo "$CFLAGS " | sed -e "s/-Ofast[[ ]]//" -e "s/-O[[gs]][[ ]]//" -e "s/-O[[0-9]]*[[ ]]//" ` |
300 | CXXFLAGS=`echo "$CXXFLAGS " | sed -e "s/-Ofast[[ ]]//" -e "s/-O[[gs]][[ ]]//" -e "s/-O[[0-9]]*[[ ]]//" ` ;; | |
c81c13fb | 301 | esac |
302 | AC_SUBST(CFLAGS) | |
56d581e9 | 303 | AC_SUBST(CXXFLAGS) |
c81c13fb | 304 | |
d89b8910 | 305 | # Determine PICFLAG for target gnatlib. |
306 | GCC_PICFLAG_FOR_TARGET | |
307 | AC_SUBST(PICFLAG_FOR_TARGET) | |
308 | ||
966842d4 | 309 | # ------------------------- |
310 | # Check C compiler features | |
311 | # ------------------------- | |
312 | ||
b9146087 | 313 | AC_USE_SYSTEM_EXTENSIONS |
7349ace9 | 314 | AC_PROG_CPP |
315 | AC_C_INLINE | |
7349ace9 | 316 | |
075f1161 | 317 | AC_SYS_LARGEFILE |
318 | ||
7349ace9 | 319 | # sizeof(char) is 1 by definition. |
b085c511 | 320 | AC_CHECK_SIZEOF(void *) |
321 | AC_CHECK_SIZEOF(short) | |
322 | AC_CHECK_SIZEOF(int) | |
323 | AC_CHECK_SIZEOF(long) | |
cd29f3a4 | 324 | AC_CHECK_TYPES([long long], [AC_CHECK_SIZEOF(long long)]) |
325 | AC_CHECK_TYPES([__int64], [AC_CHECK_SIZEOF(__int64)]) | |
82e964b0 | 326 | GCC_STDINT_TYPES |
7349ace9 | 327 | |
7349ace9 | 328 | # --------------------- |
329 | # Warnings and checking | |
330 | # --------------------- | |
331 | ||
1f59d204 | 332 | # Check $CC warning features (if it's GCC). |
333 | # We want to use -pedantic, but we don't want warnings about | |
334 | # * 'long long' | |
335 | # * variadic macros | |
1d752508 | 336 | # * overlong strings |
7e783eb3 | 337 | # * C++11 narrowing conversions in { } |
1f59d204 | 338 | # So, we only use -pedantic if we can disable those warnings. |
339 | ||
9fce6407 | 340 | ACX_PROG_CC_WARNING_OPTS( |
7e783eb3 | 341 | m4_quote(m4_do([-W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual])), [loose_warn]) |
9fce6407 | 342 | ACX_PROG_CC_WARNING_OPTS( |
7ab76cec | 343 | m4_quote(m4_do([-Wstrict-prototypes -Wmissing-prototypes])), |
344 | [c_loose_warn]) | |
345 | ACX_PROG_CC_WARNING_OPTS( | |
346 | m4_quote(m4_do([-Wmissing-format-attribute])), [strict_warn]) | |
347 | ACX_PROG_CC_WARNING_OPTS( | |
348 | m4_quote(m4_do([-Wold-style-definition -Wc++-compat])), [c_strict_warn]) | |
9fce6407 | 349 | ACX_PROG_CC_WARNING_ALMOST_PEDANTIC( |
c3aa71d4 | 350 | m4_quote(m4_do([-Wno-long-long -Wno-variadic-macros ], |
351 | [-Wno-overlength-strings])), [strict_warn]) | |
c7cc973b | 352 | ACX_PROG_CC_WARNINGS_ARE_ERRORS([manual], [strict_warn]) |
353 | ||
354 | # The above macros do nothing if the compiler is not GCC. However, the | |
7ab76cec | 355 | # Makefile has more goo to add other flags, so these variables are used |
356 | # to enable warnings only for GCC. | |
0fa54ff1 | 357 | warn_cflags= |
7ab76cec | 358 | warn_cxxflags= |
0fa54ff1 | 359 | if test "x$GCC" = "xyes"; then |
360 | warn_cflags='$(GCC_WARN_CFLAGS)' | |
7ab76cec | 361 | warn_cxxflags='$(GCC_WARN_CXXFLAGS)' |
0fa54ff1 | 362 | fi |
363 | AC_SUBST(warn_cflags) | |
7ab76cec | 364 | AC_SUBST(warn_cxxflags) |
0fa54ff1 | 365 | |
7c801b60 | 366 | # Disable exceptions and RTTI if building with g++ |
367 | ACX_PROG_CC_WARNING_OPTS( | |
3e15d79c | 368 | m4_quote(m4_do([-fno-exceptions -fno-rtti -fasynchronous-unwind-tables])), |
369 | [noexception_flags]) | |
7c801b60 | 370 | |
e3ca137a | 371 | # Enable expensive internal checks |
1af67e62 | 372 | is_release= |
373 | if test x"`cat $srcdir/DEV-PHASE`" != xexperimental; then | |
374 | is_release=yes | |
375 | fi | |
a179eb24 | 376 | |
485205d1 | 377 | AC_ARG_ENABLE(checking, |
bc6c87c1 | 378 | [AS_HELP_STRING([[--enable-checking[=LIST]]], |
379 | [enable expensive run-time checks. With LIST, | |
380 | enable only specific categories of checks. | |
381 | Categories are: yes,no,all,none,release. | |
382 | Flags are: assert,df,fold,gc,gcac,gimple,misc, | |
383 | rtlflag,rtl,runtime,tree,valgrind,types])], | |
a1fa05f0 | 384 | [ac_checking_flags="${enableval}"],[ |
385 | # Determine the default checks. | |
386 | if test x$is_release = x ; then | |
387 | ac_checking_flags=yes | |
388 | else | |
389 | ac_checking_flags=release | |
390 | fi]) | |
a1fa05f0 | 391 | IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS," |
624a5fae | 392 | for check in release $ac_checking_flags |
a1fa05f0 | 393 | do |
394 | case $check in | |
5391b316 | 395 | # these set all the flags to specific states |
314966f4 | 396 | yes) ac_assert_checking=1 ; ac_checking=1 ; ac_df_checking= ; |
5391b316 | 397 | ac_fold_checking= ; ac_gc_checking=1 ; |
75a70cf9 | 398 | ac_gc_always_collect= ; ac_gimple_checking=1 ; ac_rtl_checking= ; |
fcd42b1e | 399 | ac_rtlflag_checking=1 ; ac_runtime_checking=1 ; |
f03e0ae4 | 400 | ac_tree_checking=1 ; ac_valgrind_checking= ; |
80296012 | 401 | ac_types_checking=1 ;; |
5ccba2dc | 402 | no|none) ac_assert_checking= ; ac_checking= ; ac_df_checking= ; |
5391b316 | 403 | ac_fold_checking= ; ac_gc_checking= ; |
75a70cf9 | 404 | ac_gc_always_collect= ; ac_gimple_checking= ; ac_rtl_checking= ; |
fcd42b1e | 405 | ac_rtlflag_checking= ; ac_runtime_checking= ; |
f03e0ae4 | 406 | ac_tree_checking= ; ac_valgrind_checking= ; |
407 | ac_types_checking= ;; | |
5ccba2dc | 408 | all) ac_assert_checking=1 ; ac_checking=1 ; ac_df_checking=1 ; |
5391b316 | 409 | ac_fold_checking=1 ; ac_gc_checking=1 ; |
75a70cf9 | 410 | ac_gc_always_collect=1 ; ac_gimple_checking=1 ; ac_rtl_checking=1 ; |
5391b316 | 411 | ac_rtlflag_checking=1 ; ac_runtime_checking=1 ; |
f03e0ae4 | 412 | ac_tree_checking=1 ; ac_valgrind_checking= ; |
413 | ac_types_checking=1 ;; | |
5ccba2dc | 414 | release) ac_assert_checking=1 ; ac_checking= ; ac_df_checking= ; |
5391b316 | 415 | ac_fold_checking= ; ac_gc_checking= ; |
75a70cf9 | 416 | ac_gc_always_collect= ; ac_gimple_checking= ; ac_rtl_checking= ; |
5391b316 | 417 | ac_rtlflag_checking= ; ac_runtime_checking=1 ; |
f03e0ae4 | 418 | ac_tree_checking= ; ac_valgrind_checking= ; |
419 | ac_types_checking= ;; | |
5391b316 | 420 | # these enable particular checks |
a1fa05f0 | 421 | assert) ac_assert_checking=1 ;; |
5ccba2dc | 422 | df) ac_df_checking=1 ;; |
a1fa05f0 | 423 | fold) ac_fold_checking=1 ;; |
424 | gc) ac_gc_checking=1 ;; | |
425 | gcac) ac_gc_always_collect=1 ;; | |
75a70cf9 | 426 | gimple) ac_gimple_checking=1 ;; |
a1fa05f0 | 427 | misc) ac_checking=1 ;; |
a1fa05f0 | 428 | rtl) ac_rtl_checking=1 ;; |
5391b316 | 429 | rtlflag) ac_rtlflag_checking=1 ;; |
06350693 | 430 | runtime) ac_runtime_checking=1 ;; |
a1fa05f0 | 431 | tree) ac_tree_checking=1 ;; |
f03e0ae4 | 432 | types) ac_types_checking=1 ;; |
5391b316 | 433 | valgrind) ac_valgrind_checking=1 ;; |
a1fa05f0 | 434 | *) AC_MSG_ERROR(unknown check category $check) ;; |
435 | esac | |
436 | done | |
437 | IFS="$ac_save_IFS" | |
438 | ||
0d74b24d | 439 | nocommon_flag="" |
42f1312d | 440 | if test x$ac_checking != x ; then |
441 | AC_DEFINE(ENABLE_CHECKING, 1, | |
442 | [Define if you want more run-time sanity checks. This one gets a grab | |
443 | bag of miscellaneous but relatively cheap checks.]) | |
0d74b24d | 444 | nocommon_flag=-fno-common |
42f1312d | 445 | fi |
0d74b24d | 446 | AC_SUBST(nocommon_flag) |
5ccba2dc | 447 | if test x$ac_df_checking != x ; then |
448 | AC_DEFINE(ENABLE_DF_CHECKING, 1, | |
449 | [Define if you want more run-time sanity checks for dataflow.]) | |
450 | fi | |
997731eb | 451 | if test x$ac_assert_checking != x ; then |
452 | AC_DEFINE(ENABLE_ASSERT_CHECKING, 1, | |
453 | [Define if you want assertions enabled. This is a cheap check.]) | |
454 | fi | |
75a70cf9 | 455 | if test x$ac_gimple_checking != x ; then |
456 | AC_DEFINE(ENABLE_GIMPLE_CHECKING, 1, | |
457 | [Define if you want operations on GIMPLE (the basic data structure of | |
458 | the high-level optimizers) to be checked for dynamic type safety at | |
459 | runtime. This is moderately expensive.]) | |
460 | fi | |
fcd42b1e | 461 | GCC_TARGET_TEMPLATE(ENABLE_RUNTIME_CHECKING) |
06350693 | 462 | if test x$ac_runtime_checking != x ; then |
463 | AC_DEFINE(ENABLE_RUNTIME_CHECKING, 1, | |
464 | [Define if you want runtime assertions enabled. This is a cheap check.]) | |
465 | fi | |
42f1312d | 466 | if test x$ac_tree_checking != x ; then |
467 | AC_DEFINE(ENABLE_TREE_CHECKING, 1, | |
468 | [Define if you want all operations on trees (the basic data | |
469 | structure of the front ends) to be checked for dynamic type safety | |
4e7212d1 | 470 | at runtime. This is moderately expensive. The tree browser debugging |
471 | routines will also be enabled by this option. | |
472 | ]) | |
473 | TREEBROWSER=tree-browser.o | |
42f1312d | 474 | fi |
f03e0ae4 | 475 | if test x$ac_types_checking != x ; then |
476 | AC_DEFINE(ENABLE_TYPES_CHECKING, 1, | |
477 | [Define if you want all gimple types to be verified after gimplifiation. | |
478 | This is cheap. | |
479 | ]) | |
480 | fi | |
4e7212d1 | 481 | AC_SUBST(TREEBROWSER) |
42f1312d | 482 | if test x$ac_rtl_checking != x ; then |
483 | AC_DEFINE(ENABLE_RTL_CHECKING, 1, | |
484 | [Define if you want all operations on RTL (the basic data structure | |
485 | of the optimizer and back end) to be checked for dynamic type safety | |
486 | at runtime. This is quite expensive.]) | |
487 | fi | |
b0e7e012 | 488 | if test x$ac_rtlflag_checking != x ; then |
489 | AC_DEFINE(ENABLE_RTL_FLAG_CHECKING, 1, | |
490 | [Define if you want RTL flag accesses to be checked against the RTL | |
491 | codes that are supported for each access macro. This is relatively | |
492 | cheap.]) | |
493 | fi | |
42f1312d | 494 | if test x$ac_gc_checking != x ; then |
495 | AC_DEFINE(ENABLE_GC_CHECKING, 1, | |
496 | [Define if you want the garbage collector to do object poisoning and | |
497 | other memory allocation checks. This is quite expensive.]) | |
498 | fi | |
499 | if test x$ac_gc_always_collect != x ; then | |
500 | AC_DEFINE(ENABLE_GC_ALWAYS_COLLECT, 1, | |
501 | [Define if you want the garbage collector to operate in maximally | |
502 | paranoid mode, validating the entire heap and collecting garbage at | |
503 | every opportunity. This is extremely expensive.]) | |
504 | fi | |
fc3df357 | 505 | if test x$ac_fold_checking != x ; then |
506 | AC_DEFINE(ENABLE_FOLD_CHECKING, 1, | |
507 | [Define if you want fold checked that it never destructs its argument. | |
508 | This is quite expensive.]) | |
509 | fi | |
0fa54ff1 | 510 | valgrind_path_defines= |
511 | valgrind_command= | |
3f720cf7 | 512 | |
513 | dnl # This check AC_REQUIREs various stuff, so it *must not* be inside | |
514 | dnl # an if statement. This was the source of very frustrating bugs | |
515 | dnl # in converting to autoconf 2.5x! | |
516 | AC_CHECK_HEADER(valgrind.h, have_valgrind_h=yes, have_valgrind_h=no) | |
517 | ||
5391b316 | 518 | if test x$ac_valgrind_checking != x ; then |
0fa54ff1 | 519 | # It is certainly possible that there's valgrind but no valgrind.h. |
520 | # GCC relies on making annotations so we must have both. | |
a519c4d3 | 521 | AC_MSG_CHECKING(for VALGRIND_DISCARD in <valgrind/memcheck.h>) |
11e66330 | 522 | AC_PREPROC_IFELSE([AC_LANG_SOURCE( |
523 | [[#include <valgrind/memcheck.h> | |
a519c4d3 | 524 | #ifndef VALGRIND_DISCARD |
525 | #error VALGRIND_DISCARD not defined | |
11e66330 | 526 | #endif]])], |
a519c4d3 | 527 | [gcc_cv_header_valgrind_memcheck_h=yes], |
528 | [gcc_cv_header_valgrind_memcheck_h=no]) | |
529 | AC_MSG_RESULT($gcc_cv_header_valgrind_memcheck_h) | |
8adead19 | 530 | AC_MSG_CHECKING(for VALGRIND_DISCARD in <memcheck.h>) |
11e66330 | 531 | AC_PREPROC_IFELSE([AC_LANG_SOURCE( |
532 | [[#include <memcheck.h> | |
8adead19 | 533 | #ifndef VALGRIND_DISCARD |
534 | #error VALGRIND_DISCARD not defined | |
11e66330 | 535 | #endif]])], |
536 | [gcc_cv_header_memcheck_h=yes], | |
537 | [gcc_cv_header_memcheck_h=no]) | |
8adead19 | 538 | AC_MSG_RESULT($gcc_cv_header_memcheck_h) |
0fa54ff1 | 539 | AM_PATH_PROG_WITH_TEST(valgrind_path, valgrind, |
540 | [$ac_dir/$ac_word --version | grep valgrind- >/dev/null 2>&1]) | |
a519c4d3 | 541 | if test "x$valgrind_path" = "x" \ |
542 | || (test $have_valgrind_h = no \ | |
543 | && test $gcc_cv_header_memcheck_h = no \ | |
544 | && test $gcc_cv_header_valgrind_memcheck_h = no); then | |
545 | AC_MSG_ERROR([*** Can't find both valgrind and valgrind/memcheck.h, memcheck.h or valgrind.h]) | |
0fa54ff1 | 546 | fi |
547 | valgrind_path_defines=-DVALGRIND_PATH='\"'$valgrind_path'\"' | |
548 | valgrind_command="$valgrind_path -q" | |
549 | AC_DEFINE(ENABLE_VALGRIND_CHECKING, 1, | |
550 | [Define if you want to run subprograms and generated programs | |
551 | through valgrind (a memory checker). This is extremely expensive.]) | |
a519c4d3 | 552 | if test $gcc_cv_header_valgrind_memcheck_h = yes; then |
553 | AC_DEFINE(HAVE_VALGRIND_MEMCHECK_H, 1, | |
554 | [Define if valgrind's valgrind/memcheck.h header is installed.]) | |
555 | fi | |
8adead19 | 556 | if test $gcc_cv_header_memcheck_h = yes; then |
557 | AC_DEFINE(HAVE_MEMCHECK_H, 1, | |
558 | [Define if valgrind's memcheck.h header is installed.]) | |
559 | fi | |
0fa54ff1 | 560 | fi |
561 | AC_SUBST(valgrind_path_defines) | |
562 | AC_SUBST(valgrind_command) | |
59420fa7 | 563 | |
d5a37d75 | 564 | # Enable code coverage collection |
565 | AC_ARG_ENABLE(coverage, | |
bc6c87c1 | 566 | [AS_HELP_STRING([[--enable-coverage[=LEVEL]]], |
567 | [enable compiler's code coverage collection. | |
568 | Use to measure compiler performance and locate | |
569 | unused parts of the compiler. With LEVEL, specify | |
570 | optimization. Values are opt, noopt, | |
571 | default is noopt])], | |
d5a37d75 | 572 | [case "${enableval}" in |
034b0f6e | 573 | yes|noopt) |
574 | coverage_flags="-fprofile-arcs -ftest-coverage -frandom-seed=\$@ -O0" | |
575 | ;; | |
576 | opt) | |
577 | coverage_flags="-fprofile-arcs -ftest-coverage -frandom-seed=\$@ -O2" | |
578 | ;; | |
579 | no) | |
580 | # a.k.a. --disable-coverage | |
581 | coverage_flags="" | |
582 | ;; | |
583 | *) | |
584 | AC_MSG_ERROR(unknown coverage setting $enableval) | |
585 | ;; | |
d5a37d75 | 586 | esac], |
5328265b | 587 | [coverage_flags=""]) |
d5a37d75 | 588 | AC_SUBST(coverage_flags) |
589 | ||
86736f9e | 590 | AC_ARG_ENABLE(gather-detailed-mem-stats, |
bc6c87c1 | 591 | [AS_HELP_STRING([--enable-gather-detailed-mem-stats], |
592 | [enable detailed memory allocation stats gathering])], [], | |
86736f9e | 593 | [enable_gather_detailed_mem_stats=no]) |
ecd52ea9 | 594 | gather_stats=`if test $enable_gather_detailed_mem_stats != no; then echo 1; else echo 0; fi` |
595 | AC_DEFINE_UNQUOTED(GATHER_STATISTICS, $gather_stats, | |
596 | [Define to enable detailed memory allocation stats gathering.]) | |
86736f9e | 597 | |
966842d4 | 598 | # ------------------------------- |
599 | # Miscenalleous configure options | |
600 | # ------------------------------- | |
7349ace9 | 601 | |
602 | # With stabs | |
603 | AC_ARG_WITH(stabs, | |
bc6c87c1 | 604 | [AS_HELP_STRING([--with-stabs], |
605 | [arrange to use stabs instead of host debug format])], | |
7349ace9 | 606 | stabs="$with_stabs", |
607 | stabs=no) | |
608 | ||
7349ace9 | 609 | # Determine whether or not multilibs are enabled. |
610 | AC_ARG_ENABLE(multilib, | |
bc6c87c1 | 611 | [AS_HELP_STRING([--enable-multilib], |
612 | [enable library support for multiple ABIs])], | |
7349ace9 | 613 | [], [enable_multilib=yes]) |
614 | AC_SUBST(enable_multilib) | |
f7b90398 | 615 | |
70ac8784 | 616 | # Enable __cxa_atexit for C++. |
617 | AC_ARG_ENABLE(__cxa_atexit, | |
bc6c87c1 | 618 | [AS_HELP_STRING([--enable-__cxa_atexit], [enable __cxa_atexit for C++])], |
70ac8784 | 619 | [], []) |
bc5ae993 | 620 | |
e38498a2 | 621 | # Enable C extension for decimal float if target supports it. |
23340821 | 622 | GCC_AC_ENABLE_DECIMAL_FLOAT([$target]) |
e38498a2 | 623 | |
10de71e1 | 624 | dfp=`if test $enable_decimal_float != no; then echo 1; else echo 0; fi` |
e38498a2 | 625 | AC_DEFINE_UNQUOTED(ENABLE_DECIMAL_FLOAT, $dfp, |
626 | [Define to 1 to enable decimal float extension to C.]) | |
627 | ||
a87eb011 | 628 | # Use default_decimal_float for dependency. |
629 | enable_decimal_float=$default_decimal_float | |
630 | ||
10de71e1 | 631 | bid=`if test $enable_decimal_float = bid; then echo 1; else echo 0; fi` |
632 | AC_DEFINE_UNQUOTED(ENABLE_DECIMAL_BID_FORMAT, $bid, | |
633 | [Define to 1 to specify that we are using the BID decimal floating | |
634 | point format instead of DPD]) | |
635 | ||
9421ebb9 | 636 | # Enable C extension for fixed-point arithmetic. |
637 | AC_ARG_ENABLE(fixed-point, | |
bc6c87c1 | 638 | [AS_HELP_STRING([--enable-fixed-point], |
639 | [enable fixed-point arithmetic extension to C])], | |
640 | [], | |
9421ebb9 | 641 | [ |
642 | case $target in | |
bbbe4599 | 643 | arm*) |
644 | enable_fixed_point=yes | |
645 | ;; | |
646 | ||
9421ebb9 | 647 | mips*-*-*) |
5641963c | 648 | enable_fixed_point=yes |
9421ebb9 | 649 | ;; |
650 | *) | |
e6425baf | 651 | AC_MSG_WARN([fixed-point is not supported for this target, ignored]) |
9421ebb9 | 652 | enable_fixed_point=no |
653 | ;; | |
654 | esac | |
655 | ]) | |
656 | AC_SUBST(enable_fixed_point) | |
657 | ||
658 | fixedpoint=`if test $enable_fixed_point = yes; then echo 1; else echo 0; fi` | |
659 | AC_DEFINE_UNQUOTED(ENABLE_FIXED_POINT, $fixedpoint, | |
660 | [Define to 1 to enable fixed-point arithmetic extension to C.]) | |
661 | ||
3e637c99 | 662 | # Enable threads |
663 | # Pass with no value to take the default | |
664 | # Pass with a value to specify a thread package | |
665 | AC_ARG_ENABLE(threads, | |
bc6c87c1 | 666 | [AS_HELP_STRING([[--enable-threads[=LIB]]], |
667 | [enable thread usage for target GCC, | |
668 | using LIB thread package])],, | |
334c8279 | 669 | [enable_threads='']) |
3e637c99 | 670 | |
c024e802 | 671 | AC_ARG_ENABLE(tls, |
bc6c87c1 | 672 | [AS_HELP_STRING([--enable-tls], |
673 | [enable or disable generation of tls code | |
674 | overriding the assembler check for tls support])], | |
c024e802 | 675 | [ |
676 | case $enable_tls in | |
677 | yes | no) ;; | |
678 | *) AC_MSG_ERROR(['$enable_tls' is an invalid value for --enable-tls. | |
679 | Valid choices are 'yes' and 'no'.]) ;; | |
680 | esac | |
681 | ], [enable_tls='']) | |
682 | ||
5c872430 | 683 | AC_ARG_ENABLE(objc-gc, |
bc6c87c1 | 684 | [AS_HELP_STRING([--enable-objc-gc], |
685 | [enable the use of Boehm's garbage collector with | |
686 | the GNU Objective-C runtime])], | |
7a28a1b6 | 687 | if test x$enable_objc_gc = xno; then |
5c872430 | 688 | objc_boehm_gc='' |
689 | else | |
690 | objc_boehm_gc=1 | |
691 | fi, | |
692 | objc_boehm_gc='') | |
693 | ||
27b15aee | 694 | AC_ARG_WITH(dwarf2, |
bc6c87c1 | 695 | [AS_HELP_STRING([--with-dwarf2], [force the default debug format to be DWARF 2])], |
a81417f9 | 696 | dwarf2="$with_dwarf2", |
27b15aee | 697 | dwarf2=no) |
698 | ||
a1415e6d | 699 | AC_ARG_ENABLE(shared, |
bc6c87c1 | 700 | [AS_HELP_STRING([--disable-shared], [don't provide a shared libgcc])], |
10393ad5 | 701 | [ |
702 | case $enable_shared in | |
703 | yes | no) ;; | |
704 | *) | |
705 | enable_shared=no | |
706 | IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:," | |
707 | for pkg in $enableval; do | |
708 | if test "X$pkg" = "Xgcc" || test "X$pkg" = "Xlibgcc"; then | |
709 | enable_shared=yes | |
710 | fi | |
711 | done | |
712 | IFS="$ac_save_ifs" | |
713 | ;; | |
714 | esac | |
715 | ], [enable_shared=yes]) | |
a1415e6d | 716 | AC_SUBST(enable_shared) |
717 | ||
638454a1 | 718 | AC_ARG_WITH([native-system-header-dir], |
719 | [ --with-native-system-header-dir=dir | |
720 | use dir as the directory to look for standard | |
721 | system header files in. Defaults to /usr/include.], | |
722 | [ | |
723 | case ${with_native_system_header_dir} in | |
724 | yes|no) AC_MSG_ERROR([bad value ${withval} given for --with-native-system-header-dir]) ;; | |
725 | /* | [[A-Za-z]]:[[\\/]]*) ;; | |
726 | *) AC_MSG_ERROR([--with-native-system-header-dir argument ${withval} must be an absolute directory]) ;; | |
727 | esac | |
728 | configured_native_system_header_dir="${withval}" | |
729 | ], [configured_native_system_header_dir=]) | |
730 | ||
a99be165 | 731 | AC_ARG_WITH(build-sysroot, |
bc6c87c1 | 732 | [AS_HELP_STRING([--with-build-sysroot=sysroot], |
224d9f3d | 733 | [use sysroot as the system root during the build])], |
734 | [if test x"$withval" != x ; then | |
735 | SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval" | |
736 | fi], | |
737 | [SYSROOT_CFLAGS_FOR_TARGET=]) | |
738 | AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET) | |
a99be165 | 739 | |
e8adf557 | 740 | if test "x$prefix" = xNONE; then |
741 | test_prefix=/usr/local | |
742 | else | |
743 | test_prefix=$prefix | |
744 | fi | |
745 | if test "x$exec_prefix" = xNONE; then | |
746 | test_exec_prefix=$test_prefix | |
747 | else | |
748 | test_exec_prefix=$exec_prefix | |
749 | fi | |
750 | ||
805e22b2 | 751 | AC_ARG_WITH(sysroot, |
bc6c87c1 | 752 | [AS_HELP_STRING([[--with-sysroot[=DIR]]], |
753 | [search for usr/lib, usr/include, et al, within DIR])], | |
805e22b2 | 754 | [ |
755 | case ${with_sysroot} in | |
d58156a1 | 756 | yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_noncanonical}/sys-root' ;; |
805e22b2 | 757 | *) TARGET_SYSTEM_ROOT=$with_sysroot ;; |
758 | esac | |
759 | ||
760 | TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"' | |
6ea4242f | 761 | CROSS_SYSTEM_HEADER_DIR='$(TARGET_SYSTEM_ROOT)$${sysroot_headers_suffix}$(NATIVE_SYSTEM_HEADER_DIR)' |
5e368ffe | 762 | |
17acc97a | 763 | case ${TARGET_SYSTEM_ROOT} in |
c323a7f4 | 764 | "${test_prefix}"|"${test_prefix}/"*|\ |
35ab6286 | 765 | "${test_exec_prefix}"|"${test_exec_prefix}/"*|\ |
766 | '${prefix}'|'${prefix}/'*|\ | |
c323a7f4 | 767 | '${exec_prefix}'|'${exec_prefix}/'*) |
17acc97a | 768 | t="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE" |
769 | TARGET_SYSTEM_ROOT_DEFINE="$t" | |
770 | ;; | |
771 | esac | |
805e22b2 | 772 | ], [ |
773 | TARGET_SYSTEM_ROOT= | |
d68c6656 | 774 | TARGET_SYSTEM_ROOT_DEFINE= |
805e22b2 | 775 | CROSS_SYSTEM_HEADER_DIR='$(gcc_tooldir)/sys-include' |
776 | ]) | |
777 | AC_SUBST(TARGET_SYSTEM_ROOT) | |
778 | AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE) | |
779 | AC_SUBST(CROSS_SYSTEM_HEADER_DIR) | |
780 | ||
a24a71cc | 781 | AC_ARG_WITH(specs, |
782 | [AS_HELP_STRING([--with-specs=SPECS], | |
783 | [add SPECS to driver command-line processing])], | |
784 | [CONFIGURE_SPECS=$withval], | |
785 | [CONFIGURE_SPECS=] | |
786 | ) | |
787 | AC_SUBST(CONFIGURE_SPECS) | |
788 | ||
d25dc80e | 789 | ACX_PKGVERSION([GCC]) |
790 | ACX_BUGURL([http://gcc.gnu.org/bugs.html]) | |
791 | ||
c24c5e46 | 792 | # Sanity check enable_languages in case someone does not run the toplevel |
793 | # configure # script. | |
794 | AC_ARG_ENABLE(languages, | |
bc6c87c1 | 795 | [AS_HELP_STRING([--enable-languages=LIST], [specify which front-ends to build])], |
c24c5e46 | 796 | [case ,${enable_languages}, in |
797 | ,,|,yes,) | |
798 | # go safe -- we cannot be much sure without the toplevel | |
799 | # configure's | |
800 | # analysis of which target libs are present and usable | |
801 | enable_languages=c | |
802 | ;; | |
803 | *,all,*) | |
804 | AC_MSG_ERROR([only the toplevel supports --enable-languages=all]) | |
805 | ;; | |
806 | *,c,*) | |
807 | ;; | |
808 | *) | |
809 | enable_languages=c,${enable_languages} | |
810 | ;; | |
811 | esac], | |
812 | [enable_languages=c]) | |
813 | ||
f555bf81 | 814 | AC_ARG_WITH(multilib-list, |
596b2ba3 | 815 | [AS_HELP_STRING([--with-multilib-list], [select multilibs (SH and x86-64 only)])], |
f555bf81 | 816 | :, |
817 | with_multilib_list=default) | |
818 | ||
966842d4 | 819 | # ------------------------- |
820 | # Checks for other programs | |
821 | # ------------------------- | |
6f63674e | 822 | |
0dbd1c74 | 823 | AC_PROG_MAKE_SET |
824 | ||
01dc27ef | 825 | # Find some useful tools |
826 | AC_PROG_AWK | |
e8b212b8 | 827 | # We need awk to create options.c and options.h. |
b007b385 | 828 | # Bail out if it's missing. |
829 | case ${AWK} in | |
830 | "") AC_MSG_ERROR([can't build without awk, bailing out]) ;; | |
831 | esac | |
832 | ||
f9708620 | 833 | gcc_AC_PROG_LN_S |
599a3eac | 834 | ACX_PROG_LN($LN_S) |
01dc27ef | 835 | AC_PROG_RANLIB |
59bc2a23 | 836 | ranlib_flags="" |
72318bfa | 837 | AC_SUBST(ranlib_flags) |
838 | ||
f9708620 | 839 | gcc_AC_PROG_INSTALL |
01dc27ef | 840 | |
8fea036f | 841 | # See if cmp has --ignore-initial. |
842 | gcc_AC_PROG_CMP_IGNORE_INITIAL | |
843 | ||
72f3368f | 844 | # See if we have the mktemp command. |
845 | AC_CHECK_PROG(have_mktemp_command, mktemp, yes, no) | |
846 | ||
a1ad7483 | 847 | # See if makeinfo has been installed and is modern enough |
848 | # that we can use it. | |
c7cc973b | 849 | ACX_CHECK_PROG_VER(MAKEINFO, makeinfo, --version, |
049ccec1 | 850 | [GNU texinfo.* \([0-9][0-9.]*\)], |
69f31627 | 851 | [4.[7-9]*|4.[1-9][0-9]*|[5-9]*|[1-9][0-9]*]) |
049ccec1 | 852 | if test $gcc_cv_prog_makeinfo_modern = no; then |
853 | AC_MSG_WARN([ | |
854 | *** Makeinfo is missing or too old. | |
c94ba072 | 855 | *** Info documentation will not be built.]) |
049ccec1 | 856 | BUILD_INFO= |
049ccec1 | 857 | else |
a1ad7483 | 858 | BUILD_INFO=info |
049ccec1 | 859 | fi |
a1ad7483 | 860 | AC_SUBST(BUILD_INFO) |
049ccec1 | 861 | |
0dd06be9 | 862 | # Is pod2man recent enough to regenerate manpages? |
863 | AC_MSG_CHECKING([for recent Pod::Man]) | |
7e8ebf06 | 864 | if (perl -e 'use 1.10 Pod::Man') >/dev/null 2>&1; then |
fefb5ea6 | 865 | AC_MSG_RESULT(yes) |
a1ad7483 | 866 | GENERATED_MANPAGES=generated-manpages |
fefb5ea6 | 867 | else |
868 | AC_MSG_RESULT(no) | |
869 | GENERATED_MANPAGES= | |
870 | fi | |
a1ad7483 | 871 | AC_SUBST(GENERATED_MANPAGES) |
fefb5ea6 | 872 | |
c7cc973b | 873 | MISSING="${CONFIG_SHELL-/bin/sh} $ac_aux_dir/missing" |
874 | ||
345a1501 | 875 | # How about lex? |
876 | dnl Don't use AC_PROG_LEX; we insist on flex. | |
877 | dnl LEXLIB is not useful in gcc. | |
a1ad7483 | 878 | AC_CHECK_PROGS([FLEX], flex, [$MISSING flex]) |
345a1501 | 879 | |
880 | # Bison? | |
a1ad7483 | 881 | AC_CHECK_PROGS([BISON], bison, [$MISSING bison]) |
882 | ||
883 | # Binutils are not build modules, unlike bison/flex/makeinfo. So we | |
884 | # check for build == host before using them. | |
345a1501 | 885 | |
6ac26439 | 886 | # NM |
28c79bfe | 887 | if test x${build} = x${host} && test -f $srcdir/../binutils/nm.c \ |
888 | && test -d ../binutils ; then | |
4f132c11 | 889 | NM='${objdir}/../binutils/nm-new' |
6ac26439 | 890 | else |
891 | AC_CHECK_PROG(NM, nm, nm, ${CONFIG_SHELL-/bin/sh} ${srcdir}/../missing nm) | |
892 | fi | |
893 | ||
894 | # AR | |
28c79bfe | 895 | if test x${build} = x${host} && test -f $srcdir/../binutils/ar.c \ |
896 | && test -d ../binutils ; then | |
4f132c11 | 897 | AR='${objdir}/../binutils/ar' |
6ac26439 | 898 | else |
899 | AC_CHECK_PROG(AR, ar, ar, ${CONFIG_SHELL-/bin/sh} ${srcdir}/../missing ar) | |
900 | fi | |
901 | ||
902 | ||
966842d4 | 903 | # -------------------- |
904 | # Checks for C headers | |
905 | # -------------------- | |
906 | ||
2cd18f76 | 907 | # Need to reject headers which give warnings, so that the -Werror bootstrap |
908 | # works later. *sigh* This needs to come before all header checks. | |
909 | AC_PROG_CPP_WERROR | |
910 | ||
966842d4 | 911 | AC_HEADER_STDC |
912 | AC_HEADER_TIME | |
d856c8a6 | 913 | ACX_HEADER_STRING |
966842d4 | 914 | AC_HEADER_SYS_WAIT |
e5d424c9 | 915 | AC_CHECK_HEADERS(limits.h stddef.h string.h strings.h stdlib.h time.h iconv.h \ |
9f0cea1b | 916 | fcntl.h unistd.h sys/file.h sys/time.h sys/mman.h \ |
966842d4 | 917 | sys/resource.h sys/param.h sys/times.h sys/stat.h \ |
4b9beb88 | 918 | direct.h malloc.h langinfo.h ldfcn.h locale.h wchar.h libintl.h) |
966842d4 | 919 | |
920 | # Check for thread headers. | |
921 | AC_CHECK_HEADER(thread.h, [have_thread_h=yes], [have_thread_h=]) | |
922 | AC_CHECK_HEADER(pthread.h, [have_pthread_h=yes], [have_pthread_h=]) | |
923 | ||
924 | # These tests can't be done till we know if we have limits.h. | |
925 | gcc_AC_C_CHAR_BIT | |
fd158959 | 926 | AC_C_BIGENDIAN |
966842d4 | 927 | |
60f35dba | 928 | # ---------------------- |
929 | # Checks for C++ headers | |
930 | # ---------------------- | |
931 | ||
54486c25 | 932 | dnl Autoconf will give an error in the configure script if there is no |
933 | dnl C++ preprocessor. Hack to prevent that. | |
934 | m4_pushdef([AC_MSG_ERROR], m4_defn([AC_MSG_WARN]))[]dnl | |
935 | AC_PROG_CXXCPP | |
936 | m4_popdef([AC_MSG_ERROR])[]dnl | |
937 | ||
60f35dba | 938 | AC_LANG_PUSH(C++) |
939 | ||
940 | AC_CHECK_HEADERS(unordered_map) | |
941 | AC_CHECK_HEADERS(tr1/unordered_map) | |
942 | AC_CHECK_HEADERS(ext/hash_map) | |
943 | ||
944 | AC_LANG_POP(C++) | |
945 | ||
966842d4 | 946 | # -------- |
947 | # UNSORTED | |
948 | # -------- | |
949 | ||
966842d4 | 950 | |
45449d9f | 951 | # These libraries may be used by collect2. |
952 | # We may need a special search path to get them linked. | |
953 | AC_CACHE_CHECK(for collect2 libraries, gcc_cv_collect2_libs, | |
954 | [save_LIBS="$LIBS" | |
8e01c6f6 | 955 | for libs in '' -lld -lmld \ |
45449d9f | 956 | '-L/usr/lib/cmplrs/cc2.11 -lmld' \ |
957 | '-L/usr/lib/cmplrs/cc3.11 -lmld' | |
958 | do | |
959 | LIBS="$libs" | |
960 | AC_TRY_LINK_FUNC(ldopen, | |
961 | [gcc_cv_collect2_libs="$libs"; break]) | |
962 | done | |
963 | LIBS="$save_LIBS" | |
964 | test -z "$gcc_cv_collect2_libs" && gcc_cv_collect2_libs='none required']) | |
965 | case $gcc_cv_collect2_libs in | |
966 | "none required") ;; | |
967 | *) COLLECT2_LIBS=$gcc_cv_collect2_libs ;; | |
968 | esac | |
969 | AC_SUBST(COLLECT2_LIBS) | |
970 | ||
8e01c6f6 | 971 | # When building Ada code on Alpha, we need exc_resume which is usually in |
972 | # -lexc. So test for it. | |
973 | save_LIBS="$LIBS" | |
974 | LIBS= | |
975 | AC_SEARCH_LIBS(exc_resume, exc) | |
976 | GNAT_LIBEXC="$LIBS" | |
977 | LIBS="$save_LIBS" | |
978 | AC_SUBST(GNAT_LIBEXC) | |
979 | ||
76fd9e61 | 980 | # To support -mcpu=native on Solaris/SPARC, we need libkstat. |
981 | save_LIBS="$LIBS" | |
982 | LIBS= | |
983 | AC_SEARCH_LIBS(kstat_open, kstat) | |
984 | EXTRA_GCC_LIBS="$LIBS" | |
985 | LIBS="$save_LIBS" | |
986 | AC_SUBST(EXTRA_GCC_LIBS) | |
987 | ||
96b74343 | 988 | # Some systems put ldexp and frexp in libm instead of libc; assume |
989 | # they're both in the same place. jcf-dump needs them. | |
990 | save_LIBS="$LIBS" | |
991 | LIBS= | |
992 | AC_SEARCH_LIBS(ldexp, m) | |
993 | LDEXP_LIB="$LIBS" | |
994 | LIBS="$save_LIBS" | |
995 | AC_SUBST(LDEXP_LIB) | |
996 | ||
a3477a0e | 997 | # Use <inttypes.h> only if it exists, |
998 | # doesn't clash with <sys/types.h>, and declares intmax_t. | |
999 | AC_MSG_CHECKING(for inttypes.h) | |
1000 | AC_CACHE_VAL(gcc_cv_header_inttypes_h, | |
11e66330 | 1001 | [AC_COMPILE_IFELSE([AC_LANG_PROGRAM( |
1002 | [[#include <sys/types.h> | |
1003 | #include <inttypes.h>]], | |
1004 | [[intmax_t i = -1;]])], | |
fd80090d | 1005 | [gcc_cv_header_inttypes_h=yes], |
11e66330 | 1006 | [gcc_cv_header_inttypes_h=no])]) |
a3477a0e | 1007 | AC_MSG_RESULT($gcc_cv_header_inttypes_h) |
fd80090d | 1008 | if test $gcc_cv_header_inttypes_h = yes; then |
42f1312d | 1009 | AC_DEFINE(HAVE_INTTYPES_H, 1, |
1010 | [Define if you have a working <inttypes.h> header file.]) | |
fd80090d | 1011 | fi |
805483cf | 1012 | |
aab9bda6 | 1013 | dnl Disabled until we have a complete test for buggy enum bitfields. |
1014 | dnl gcc_AC_C_ENUM_BF_UNSIGNED | |
488c4206 | 1015 | |
077a3c99 | 1016 | define(gcc_UNLOCKED_FUNCS, clearerr_unlocked feof_unlocked dnl |
1017 | ferror_unlocked fflush_unlocked fgetc_unlocked fgets_unlocked dnl | |
1018 | fileno_unlocked fprintf_unlocked fputc_unlocked fputs_unlocked dnl | |
1019 | fread_unlocked fwrite_unlocked getchar_unlocked getc_unlocked dnl | |
1020 | putchar_unlocked putc_unlocked) | |
b88c06b5 | 1021 | AC_CHECK_FUNCS(times clock kill getrlimit setrlimit atoll atoq \ |
0a7b2ad2 | 1022 | sysconf strsignal getrusage nl_langinfo \ |
967958e4 | 1023 | gettimeofday mbstowcs wcswidth mmap setlocale \ |
c5db973f | 1024 | gcc_UNLOCKED_FUNCS madvise) |
4211624c | 1025 | |
b503c1a2 | 1026 | if test x$ac_cv_func_mbstowcs = xyes; then |
1027 | AC_CACHE_CHECK(whether mbstowcs works, gcc_cv_func_mbstowcs_works, | |
11e66330 | 1028 | [ AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdlib.h> |
b503c1a2 | 1029 | int main() |
1030 | { | |
1031 | mbstowcs(0, "", 0); | |
1032 | return 0; | |
11e66330 | 1033 | }]])], |
1034 | [gcc_cv_func_mbstowcs_works=yes], | |
1035 | [gcc_cv_func_mbstowcs_works=no], | |
1036 | [gcc_cv_func_mbstowcs_works=yes])]) | |
b503c1a2 | 1037 | if test x$gcc_cv_func_mbstowcs_works = xyes; then |
1038 | AC_DEFINE(HAVE_WORKING_MBSTOWCS, 1, | |
1039 | [Define this macro if mbstowcs does not crash when its | |
1040 | first argument is NULL.]) | |
1041 | fi | |
1042 | fi | |
1043 | ||
478a5aa8 | 1044 | AC_CHECK_TYPE(ssize_t, int) |
1d5a5c71 | 1045 | AC_CHECK_TYPE(caddr_t, char *) |
33a62e3f | 1046 | |
749dea2a | 1047 | GCC_AC_FUNC_MMAP_BLACKLIST |
f1959ea2 | 1048 | |
1049 | case "${host}" in | |
8f966bdb | 1050 | *-*-*vms*) |
0d4639d6 | 1051 | # Under VMS, vfork works very differently than on Unix. The standard test |
8f966bdb | 1052 | # won't work, and it isn't easily adaptable. It makes more sense to |
1053 | # just force it. | |
1054 | ac_cv_func_vfork_works=yes | |
1055 | ;; | |
f1959ea2 | 1056 | esac |
11e66330 | 1057 | AC_FUNC_FORK |
0a0a425e | 1058 | |
6678cb4e | 1059 | # g++ on Solaris 10+ defines _XOPEN_SOURCE=600, which exposes a different |
1060 | # iconv() prototype. | |
2b15d2ba | 1061 | AC_LANG_PUSH([C++]) |
1062 | AM_ICONV | |
1063 | AC_LANG_POP([C++]) | |
6678cb4e | 1064 | |
c6976b58 | 1065 | # Until we have in-tree GNU iconv: |
1066 | LIBICONV_DEP= | |
1067 | AC_SUBST(LIBICONV_DEP) | |
1068 | ||
1069 | AM_LC_MESSAGES | |
7093ff41 | 1070 | |
ac31415f | 1071 | AM_LANGINFO_CODESET |
1072 | ||
3c014a93 | 1073 | # We will need to find libiberty.h and ansidecl.h |
1074 | saved_CFLAGS="$CFLAGS" | |
1075 | CFLAGS="$CFLAGS -I${srcdir} -I${srcdir}/../include" | |
f4245e06 | 1076 | saved_CXXFLAGS="$CXXFLAGS" |
1077 | CXXFLAGS="$CXXFLAGS -I${srcdir} -I${srcdir}/../include" | |
9b1f316f | 1078 | gcc_AC_CHECK_DECLS(getenv atol asprintf sbrk abort atof getcwd getwd \ |
c2445abb | 1079 | strsignal strstr stpcpy strverscmp \ |
9b1f316f | 1080 | errno snprintf vsnprintf vasprintf malloc realloc calloc \ |
e1ab5f13 | 1081 | free basename getopt clock getpagesize ffs gcc_UNLOCKED_FUNCS, , ,[ |
673b6e5a | 1082 | #include "ansidecl.h" |
3c014a93 | 1083 | #include "system.h"]) |
7014838c | 1084 | |
07c927cb | 1085 | gcc_AC_CHECK_DECLS(getrlimit setrlimit getrusage, , ,[ |
673b6e5a | 1086 | #include "ansidecl.h" |
3c014a93 | 1087 | #include "system.h" |
436f5383 | 1088 | #ifdef HAVE_SYS_RESOURCE_H |
1089 | #include <sys/resource.h> | |
1090 | #endif | |
1091 | ]) | |
1092 | ||
11e66330 | 1093 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ |
c1b9d008 | 1094 | #include "ansidecl.h" |
1095 | #include "system.h" | |
1096 | #ifdef HAVE_SYS_RESOURCE_H | |
1097 | #include <sys/resource.h> | |
1098 | #endif | |
11e66330 | 1099 | ]], [[rlim_t l = 0;]])],[],[AC_DEFINE([rlim_t],[long], |
dea92435 | 1100 | [Define to `long' if <sys/resource.h> doesn't define.])]) |
c1b9d008 | 1101 | |
d71e0d30 | 1102 | # On AIX 5.2, <ldfcn.h> conflicts with <fcntl.h>, as both define incompatible |
1103 | # FREAD and FWRITE macros. Fortunately, for GCC's single usage of ldgetname | |
1104 | # in collect2.c, <fcntl.h> isn't visible, but the configure test below needs | |
1105 | # to undef these macros to get the correct value for HAVE_DECL_LDGETNAME. | |
31a83412 | 1106 | gcc_AC_CHECK_DECLS(ldgetname, , ,[ |
1107 | #include "ansidecl.h" | |
1108 | #include "system.h" | |
1109 | #ifdef HAVE_LDFCN_H | |
d71e0d30 | 1110 | #undef FREAD |
1111 | #undef FWRITE | |
31a83412 | 1112 | #include <ldfcn.h> |
1113 | #endif | |
1114 | ]) | |
1115 | ||
c770a4cb | 1116 | gcc_AC_CHECK_DECLS(times, , ,[ |
1117 | #include "ansidecl.h" | |
1118 | #include "system.h" | |
1119 | #ifdef HAVE_SYS_TIMES_H | |
1120 | #include <sys/times.h> | |
1121 | #endif | |
1122 | ]) | |
1123 | ||
168c58e0 | 1124 | gcc_AC_CHECK_DECLS(sigaltstack, , ,[ |
1125 | #include "ansidecl.h" | |
1126 | #include "system.h" | |
1127 | #include <signal.h> | |
1128 | ]) | |
1129 | ||
f4245e06 | 1130 | # g++ on Solaris 10+ defines _XOPEN_SOURCE=600, which hides the madvise() |
1131 | # prototype. | |
2b15d2ba | 1132 | AC_LANG_PUSH([C++]) |
1133 | gcc_AC_CHECK_DECLS(madvise, , ,[ | |
1134 | #include "ansidecl.h" | |
1135 | #include "system.h" | |
f4245e06 | 1136 | ]) |
2b15d2ba | 1137 | AC_LANG_POP([C++]) |
f4245e06 | 1138 | |
c770a4cb | 1139 | # More time-related stuff. |
1140 | AC_CACHE_CHECK(for struct tms, ac_cv_struct_tms, [ | |
11e66330 | 1141 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ |
c770a4cb | 1142 | #include "ansidecl.h" |
1143 | #include "system.h" | |
1144 | #ifdef HAVE_SYS_TIMES_H | |
1145 | #include <sys/times.h> | |
1146 | #endif | |
11e66330 | 1147 | ]], [[struct tms tms;]])],[ac_cv_struct_tms=yes],[ac_cv_struct_tms=no])]) |
c770a4cb | 1148 | if test $ac_cv_struct_tms = yes; then |
1149 | AC_DEFINE(HAVE_STRUCT_TMS, 1, | |
1150 | [Define if <sys/times.h> defines struct tms.]) | |
1151 | fi | |
1152 | ||
1153 | # use gcc_cv_* here because this doesn't match the behavior of AC_CHECK_TYPE. | |
1154 | # revisit after autoconf 2.50. | |
1155 | AC_CACHE_CHECK(for clock_t, gcc_cv_type_clock_t, [ | |
11e66330 | 1156 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ |
c770a4cb | 1157 | #include "ansidecl.h" |
1158 | #include "system.h" | |
11e66330 | 1159 | ]], [[clock_t x;]])],[gcc_cv_type_clock_t=yes],[gcc_cv_type_clock_t=no])]) |
c770a4cb | 1160 | if test $gcc_cv_type_clock_t = yes; then |
1161 | AC_DEFINE(HAVE_CLOCK_T, 1, | |
1162 | [Define if <time.h> defines clock_t.]) | |
1163 | fi | |
1164 | ||
3d2ab4bc | 1165 | # Check if F_SETLKW is supported by fcntl. |
1166 | AC_CACHE_CHECK(for F_SETLKW, ac_cv_f_setlkw, [ | |
1167 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ | |
1168 | #include <fcntl.h>]], [[ | |
1169 | struct flock fl; | |
1170 | fl.l_whence = 0; | |
1171 | fl.l_start = 0; | |
1172 | fl.l_len = 0; | |
1173 | fl.l_pid = 0; | |
1174 | return fcntl (1, F_SETLKW, &fl);]])], | |
1175 | [ac_cv_f_setlkw=yes],[ac_cv_f_setlkw=no])]) | |
1176 | if test $ac_cv_f_setlkw = yes; then | |
1177 | AC_DEFINE(HOST_HAS_F_SETLKW, 1, | |
1178 | [Define if F_SETLKW supported by fcntl.]) | |
1179 | fi | |
1180 | ||
f4245e06 | 1181 | # Restore CFLAGS, CXXFLAGS from before the gcc_AC_NEED_DECLARATIONS tests. |
3c014a93 | 1182 | CFLAGS="$saved_CFLAGS" |
f4245e06 | 1183 | CXXFLAGS="$saved_CXXFLAGS" |
3c014a93 | 1184 | |
a729d1c3 | 1185 | # mkdir takes a single argument on some systems. |
f9708620 | 1186 | gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG |
a729d1c3 | 1187 | |
01dc27ef | 1188 | # File extensions |
1189 | manext='.1' | |
1190 | objext='.o' | |
01dc27ef | 1191 | AC_SUBST(manext) |
1192 | AC_SUBST(objext) | |
01dc27ef | 1193 | |
805e22b2 | 1194 | # With Setjmp/Longjmp based exception handling. |
1195 | AC_ARG_ENABLE(sjlj-exceptions, | |
bc6c87c1 | 1196 | [AS_HELP_STRING([--enable-sjlj-exceptions], |
1197 | [arrange to use setjmp/longjmp exception handling])], | |
d4f869a6 | 1198 | [case $target in |
1199 | *-*-hpux10*) | |
1200 | if test $enableval != yes; then | |
1201 | AC_MSG_WARN([dwarf2 exceptions not supported, sjlj exceptions forced]) | |
1202 | enableval=yes | |
1203 | fi | |
1204 | ;; | |
1205 | esac | |
1206 | force_sjlj_exceptions=yes], | |
1207 | [case $target in | |
1208 | *-*-hpux10*) | |
1209 | force_sjlj_exceptions=yes | |
1210 | enableval=yes | |
1211 | ;; | |
1212 | *) | |
1213 | force_sjlj_exceptions=no | |
1214 | ;; | |
1215 | esac]) | |
1216 | if test $force_sjlj_exceptions = yes; then | |
1217 | sjlj=`if test $enableval = yes; then echo 1; else echo 0; fi` | |
1218 | AC_DEFINE_UNQUOTED(CONFIG_SJLJ_EXCEPTIONS, $sjlj, | |
1219 | [Define 0/1 to force the choice for exception handling model.]) | |
1220 | fi | |
805e22b2 | 1221 | |
7349ace9 | 1222 | # -------------------------------------------------------- |
1223 | # Build, host, and target specific configuration fragments | |
1224 | # -------------------------------------------------------- | |
1225 | ||
eab1a815 | 1226 | # Collect build-machine-specific information. |
1227 | . ${srcdir}/config.build | |
1228 | ||
973f8bf3 | 1229 | # Collect host-machine-specific information. |
1230 | . ${srcdir}/config.host | |
1231 | ||
eb1bd38b | 1232 | target_gtfiles= |
973f8bf3 | 1233 | |
1234 | # Collect target-machine-specific information. | |
09c6646e | 1235 | . ${srcdir}/config.gcc |
01dc27ef | 1236 | |
1237 | extra_objs="${host_extra_objs} ${extra_objs}" | |
69eb04f7 | 1238 | extra_gcc_objs="${host_extra_gcc_objs} ${extra_gcc_objs}" |
01dc27ef | 1239 | |
1240 | # Default the target-machine variables that were not explicitly set. | |
bf3637a9 | 1241 | if test x"$tm_file" = x |
01dc27ef | 1242 | then tm_file=$cpu_type/$cpu_type.h; fi |
1243 | ||
2a8be21e | 1244 | if test x"$extra_headers" = x |
01dc27ef | 1245 | then extra_headers=; fi |
1246 | ||
bf3637a9 | 1247 | if test x$md_file = x |
0579e60e | 1248 | then md_file=$cpu_type/$cpu_type.md; fi |
01dc27ef | 1249 | |
bf3637a9 | 1250 | if test x$out_file = x |
01dc27ef | 1251 | then out_file=$cpu_type/$cpu_type.c; fi |
1252 | ||
bf3637a9 | 1253 | if test x"$tmake_file" = x |
01dc27ef | 1254 | then tmake_file=$cpu_type/t-$cpu_type |
1255 | fi | |
1256 | ||
35f51475 | 1257 | # Support --enable-initfini-array. |
1258 | if test x$enable_initfini_array != xno; then | |
1259 | tm_file="${tm_file} initfini-array.h" | |
1260 | fi | |
1261 | ||
27b15aee | 1262 | if test x"$dwarf2" = xyes |
b65d2e3c | 1263 | then tm_file="$tm_file tm-dwarf2.h" |
27b15aee | 1264 | fi |
1265 | ||
01dc27ef | 1266 | # Say what files are being used for the output code and MD file. |
83b8e55b | 1267 | echo "Using \`$srcdir/config/$out_file' for machine-specific logic." |
01dc27ef | 1268 | echo "Using \`$srcdir/config/$md_file' as machine description file." |
1269 | ||
83b8e55b | 1270 | # If any of the xm_file variables contain nonexistent files, warn |
e1688c3e | 1271 | # about them and drop them. |
1272 | ||
83b8e55b | 1273 | bx= |
1274 | for x in $build_xm_file; do | |
1275 | if test -f $srcdir/config/$x | |
1276 | then bx="$bx $x" | |
83b8e55b | 1277 | else AC_MSG_WARN($srcdir/config/$x does not exist.) |
1278 | fi | |
1279 | done | |
1280 | build_xm_file="$bx" | |
1281 | ||
1282 | hx= | |
1283 | for x in $host_xm_file; do | |
1284 | if test -f $srcdir/config/$x | |
1285 | then hx="$hx $x" | |
83b8e55b | 1286 | else AC_MSG_WARN($srcdir/config/$x does not exist.) |
1287 | fi | |
1288 | done | |
1289 | host_xm_file="$hx" | |
1290 | ||
1291 | tx= | |
1292 | for x in $xm_file; do | |
1293 | if test -f $srcdir/config/$x | |
1294 | then tx="$tx $x" | |
83b8e55b | 1295 | else AC_MSG_WARN($srcdir/config/$x does not exist.) |
1296 | fi | |
1297 | done | |
1298 | xm_file="$tx" | |
1299 | ||
01dc27ef | 1300 | count=a |
1301 | for f in $tm_file; do | |
1302 | count=${count}x | |
1303 | done | |
bf3637a9 | 1304 | if test $count = ax; then |
01dc27ef | 1305 | echo "Using \`$srcdir/config/$tm_file' as target machine macro file." |
1306 | else | |
1307 | echo "Using the following target machine macro files:" | |
1308 | for f in $tm_file; do | |
1309 | echo " $srcdir/config/$f" | |
1310 | done | |
1311 | fi | |
1312 | ||
805e22b2 | 1313 | if test x$need_64bit_hwint = xyes; then |
1314 | AC_DEFINE(NEED_64BIT_HOST_WIDE_INT, 1, | |
1315 | [Define to 1 if HOST_WIDE_INT must be 64 bits wide (see hwint.h).]) | |
1316 | fi | |
1317 | ||
3f28a032 | 1318 | if test x$use_long_long_for_widest_fast_int = xyes; then |
1319 | AC_DEFINE(USE_LONG_LONG_FOR_WIDEST_FAST_INT, 1, | |
1320 | [Define to 1 if the 'long long' (or '__int64') is wider than 'long' but still | |
1321 | efficiently supported by the host hardware.]) | |
1322 | fi | |
1323 | ||
8ffcff2e | 1324 | gnu_ld_bool=`if test x"$gnu_ld" = x"yes"; then echo 1; else echo 0; fi` |
1325 | AC_DEFINE_UNQUOTED(HAVE_GNU_LD, $gnu_ld_bool, [Define to 1 if using GNU ld.]) | |
1326 | ||
1327 | gnu_as_bool=`if test x"$gas" = x"yes"; then echo 1; else echo 0; fi` | |
1328 | AC_DEFINE_UNQUOTED(HAVE_GNU_AS, $gnu_as_bool, [Define to 1 if using GNU as.]) | |
1329 | ||
01dc27ef | 1330 | count=a |
1331 | for f in $host_xm_file; do | |
1332 | count=${count}x | |
1333 | done | |
83b8e55b | 1334 | if test $count = a; then |
1335 | : | |
1336 | elif test $count = ax; then | |
01dc27ef | 1337 | echo "Using \`$srcdir/config/$host_xm_file' as host machine macro file." |
1338 | else | |
1339 | echo "Using the following host machine macro files:" | |
1340 | for f in $host_xm_file; do | |
1341 | echo " $srcdir/config/$f" | |
1342 | done | |
1343 | fi | |
b197fbcf | 1344 | echo "Using ${out_host_hook_obj} for host machine hooks." |
01dc27ef | 1345 | |
bf3637a9 | 1346 | if test "$host_xm_file" != "$build_xm_file"; then |
01dc27ef | 1347 | count=a |
1348 | for f in $build_xm_file; do | |
1349 | count=${count}x | |
1350 | done | |
83b8e55b | 1351 | if test $count = a; then |
1352 | : | |
1353 | elif test $count = ax; then | |
01dc27ef | 1354 | echo "Using \`$srcdir/config/$build_xm_file' as build machine macro file." |
1355 | else | |
1356 | echo "Using the following build machine macro files:" | |
1357 | for f in $build_xm_file; do | |
1358 | echo " $srcdir/config/$f" | |
1359 | done | |
1360 | fi | |
1361 | fi | |
1362 | ||
638454a1 | 1363 | if test -n "$configured_native_system_header_dir"; then |
1364 | native_system_header_dir=$configured_native_system_header_dir | |
1365 | fi | |
1366 | NATIVE_SYSTEM_HEADER_DIR="$native_system_header_dir" | |
1367 | AC_SUBST(NATIVE_SYSTEM_HEADER_DIR) | |
1368 | ||
168c58e0 | 1369 | case ${host} in |
84eba009 | 1370 | powerpc*-*-darwin*) |
168c58e0 | 1371 | AC_CACHE_CHECK([whether mcontext_t fields have underscores], |
1372 | gcc_cv_mcontext_underscores, | |
1373 | AC_COMPILE_IFELSE([ | |
267a6571 | 1374 | #include <sys/cdefs.h> |
679f19b4 | 1375 | #include <sys/signal.h> |
168c58e0 | 1376 | #include <ucontext.h> |
1377 | int main() { mcontext_t m; if (m->ss.srr0) return 0; return 0; } | |
1378 | ], | |
1379 | gcc_cv_mcontext_underscores=no, gcc_cv_mcontext_underscores=yes)) | |
1380 | if test $gcc_cv_mcontext_underscores = yes; then | |
1381 | AC_DEFINE(HAS_MCONTEXT_T_UNDERSCORES,,dnl | |
1382 | [mcontext_t fields start with __]) | |
1383 | fi | |
1384 | ;; | |
1385 | esac | |
1386 | ||
d976f534 | 1387 | # --------- |
1388 | # Threading | |
1389 | # --------- | |
1390 | ||
267d993c | 1391 | # Check if a valid thread package |
334c8279 | 1392 | case ${enable_threads} in |
267d993c | 1393 | "" | no) |
1394 | # No threads | |
1395 | target_thread_file='single' | |
1396 | ;; | |
1397 | yes) | |
1398 | # default | |
1399 | target_thread_file='single' | |
1400 | ;; | |
fe5ef4a0 | 1401 | aix | dce | lynx | mipssde | posix | rtems | \ |
3f25492e | 1402 | single | tpf | vxworks | win32) |
334c8279 | 1403 | target_thread_file=${enable_threads} |
267d993c | 1404 | ;; |
1405 | *) | |
334c8279 | 1406 | echo "${enable_threads} is an unknown thread package" 1>&2 |
267d993c | 1407 | exit 1 |
1408 | ;; | |
1409 | esac | |
1410 | ||
1411 | if test x${thread_file} = x; then | |
1412 | # No thread file set by target-specific clauses in config.gcc, | |
1413 | # so use file chosen by default logic above | |
1414 | thread_file=${target_thread_file} | |
01dc27ef | 1415 | fi |
01dc27ef | 1416 | |
d976f534 | 1417 | # -------- |
1418 | # UNSORTED | |
1419 | # -------- | |
1420 | ||
d9ab9cb9 | 1421 | use_cxa_atexit=no |
bc5ae993 | 1422 | if test x$enable___cxa_atexit = xyes || \ |
1423 | test x$enable___cxa_atexit = x -a x$default_use_cxa_atexit = xyes; then | |
d9ab9cb9 | 1424 | if test x$host = x$target; then |
d91ef9b0 | 1425 | case $host in |
1426 | # mingw32 doesn't have __cxa_atexit but uses atexit registration | |
1427 | # keyed to flag_use_cxa_atexit | |
1428 | *-*-mingw32*) | |
1429 | use_cxa_atexit=yes | |
1430 | ;; | |
1431 | *) | |
1432 | AC_CHECK_FUNC(__cxa_atexit,[use_cxa_atexit=yes], | |
1433 | [echo "__cxa_atexit can't be enabled on this target"]) | |
55a5bb1e | 1434 | ;; |
d91ef9b0 | 1435 | esac |
d9ab9cb9 | 1436 | else |
1437 | # We can't check for __cxa_atexit when building a cross, so assume | |
1438 | # it is available | |
1439 | use_cxa_atexit=yes | |
1440 | fi | |
1441 | if test x$use_cxa_atexit = xyes; then | |
3bf418bd | 1442 | AC_DEFINE(DEFAULT_USE_CXA_ATEXIT, 2, |
d9ab9cb9 | 1443 | [Define if you want to use __cxa_atexit, rather than atexit, to |
1444 | register C++ destructors for local statics and global objects. | |
1445 | This is essential for fully standards-compliant handling of | |
1446 | destructors, but requires __cxa_atexit in libc.]) | |
1447 | fi | |
bc5ae993 | 1448 | fi |
1449 | ||
6f432b58 | 1450 | # Look for a file containing extra machine modes. |
b5ccaa7b | 1451 | if test -n "$extra_modes" && test -f $srcdir/config/$extra_modes; then |
1452 | extra_modes_file='$(srcdir)'/config/${extra_modes} | |
6f432b58 | 1453 | AC_SUBST(extra_modes_file) |
4dcab8b7 | 1454 | AC_DEFINE_UNQUOTED(EXTRA_MODES_FILE, "config/$extra_modes", |
6f432b58 | 1455 | [Define to the name of a file containing a list of extra machine modes |
1456 | for this architecture.]) | |
6f432b58 | 1457 | fi |
1458 | ||
ff05e09e | 1459 | # Convert extra_options into a form suitable for Makefile use. |
1460 | extra_opt_files= | |
755fa783 | 1461 | all_opt_files= |
ff05e09e | 1462 | for f in $extra_options; do |
1463 | extra_opt_files="$extra_opt_files \$(srcdir)/config/$f" | |
755fa783 | 1464 | all_opt_files="$all_opt_files $srcdir/config/$f" |
ff05e09e | 1465 | done |
1466 | AC_SUBST(extra_opt_files) | |
1467 | ||
764fc592 | 1468 | # auto-host.h is the file containing items generated by autoconf and is |
0dbd1c74 | 1469 | # the first file included by config.h. |
805e22b2 | 1470 | # If host=build, it is correct to have bconfig include auto-host.h |
58b16c1a | 1471 | # as well. If host!=build, we are in error and need to do more |
1472 | # work to find out the build config parameters. | |
bf3637a9 | 1473 | if test x$host = x$build |
58b16c1a | 1474 | then |
d826737c | 1475 | build_auto=auto-host.h |
764fc592 | 1476 | else |
1477 | # We create a subdir, then run autoconf in the subdir. | |
1478 | # To prevent recursion we set host and build for the new | |
1479 | # invocation of configure to the build for this invocation | |
1480 | # of configure. | |
1481 | tempdir=build.$$ | |
1482 | rm -rf $tempdir | |
1483 | mkdir $tempdir | |
1484 | cd $tempdir | |
1485 | case ${srcdir} in | |
e868f582 | 1486 | /* | [A-Za-z]:[\\/]* ) realsrcdir=${srcdir};; |
764fc592 | 1487 | *) realsrcdir=../${srcdir};; |
1488 | esac | |
fc5104b7 | 1489 | saved_CFLAGS="${CFLAGS}" |
1490 | CC="${CC_FOR_BUILD}" CFLAGS="${CFLAGS_FOR_BUILD}" \ | |
9841cd80 | 1491 | LDFLAGS="${LDFLAGS_FOR_BUILD}" \ |
fc5104b7 | 1492 | ${realsrcdir}/configure \ |
1f3fcf32 | 1493 | --enable-languages=${enable_languages-all} \ |
ab3470ec | 1494 | --target=$target_alias --host=$build_alias --build=$build_alias |
fc5104b7 | 1495 | CFLAGS="${saved_CFLAGS}" |
764fc592 | 1496 | |
1497 | # We just finished tests for the build machine, so rename | |
1498 | # the file auto-build.h in the gcc directory. | |
1499 | mv auto-host.h ../auto-build.h | |
1500 | cd .. | |
1501 | rm -rf $tempdir | |
d826737c | 1502 | build_auto=auto-build.h |
58b16c1a | 1503 | fi |
2b59cb05 | 1504 | AC_SUBST(build_subdir) |
58b16c1a | 1505 | |
d826737c | 1506 | tm_file="${tm_file} defaults.h" |
805e22b2 | 1507 | tm_p_file="${tm_p_file} tm-preds.h" |
1508 | host_xm_file="auto-host.h ansidecl.h ${host_xm_file}" | |
1509 | build_xm_file="${build_auto} ansidecl.h ${build_xm_file}" | |
4b0e3ddb | 1510 | # We don't want ansidecl.h in target files, write code there in ISO/GNU C. |
18320123 | 1511 | # put this back in temporarily. |
fcd42b1e | 1512 | xm_file="auto-host.h ansidecl.h ${xm_file}" |
4a7d7a8b | 1513 | |
7349ace9 | 1514 | # -------- |
1515 | # UNSORTED | |
1516 | # -------- | |
1517 | ||
14ac9144 | 1518 | changequote(,)dnl |
9371935c | 1519 | # Compile in configure arguments. |
6e11eb2c | 1520 | if test -f configargs.h ; then |
9371935c | 1521 | # Being re-configured. |
8bffa377 | 1522 | gcc_config_arguments=`grep configuration_arguments configargs.h | sed -e 's/.*"\([^"]*\)".*/\1/'` |
9371935c | 1523 | gcc_config_arguments="$gcc_config_arguments : (reconfigured) $TOPLEVEL_CONFIGURE_ARGUMENTS" |
1524 | else | |
1525 | gcc_config_arguments="$TOPLEVEL_CONFIGURE_ARGUMENTS" | |
1526 | fi | |
5df533c9 | 1527 | |
1528 | # Double all backslashes and backslash all quotes to turn | |
1529 | # gcc_config_arguments into a C string. | |
1530 | sed -e 's/\\/\\\\/g; s/"/\\"/g' <<EOF >conftest.out | |
1531 | $gcc_config_arguments | |
1532 | EOF | |
1533 | gcc_config_arguments_str=`cat conftest.out` | |
1534 | rm -f conftest.out | |
1535 | ||
9371935c | 1536 | cat > configargs.h <<EOF |
1537 | /* Generated automatically. */ | |
5df533c9 | 1538 | static const char configuration_arguments[] = "$gcc_config_arguments_str"; |
6d72c630 | 1539 | static const char thread_model[] = "$thread_file"; |
7dd97ab6 | 1540 | |
1541 | static const struct { | |
1542 | const char *name, *value; | |
1543 | } configure_default_options[] = $configure_default_options; | |
9371935c | 1544 | EOF |
bf3637a9 | 1545 | changequote([,])dnl |
01dc27ef | 1546 | |
e8ad34e4 | 1547 | changequote(,)dnl |
6ac2286b | 1548 | gcc_BASEVER=`cat $srcdir/BASE-VER` |
1549 | gcc_DEVPHASE=`cat $srcdir/DEV-PHASE` | |
1550 | gcc_DATESTAMP=`cat $srcdir/DATESTAMP` | |
e8ad34e4 | 1551 | if test -f $srcdir/REVISION ; then |
6ac2286b | 1552 | gcc_REVISION=`cat $srcdir/REVISION` |
e8ad34e4 | 1553 | else |
1554 | gcc_REVISION="" | |
1555 | fi | |
1556 | cat > plugin-version.h <<EOF | |
1557 | #include "configargs.h" | |
1558 | ||
7fed55f3 | 1559 | #define GCCPLUGIN_VERSION_MAJOR `echo $gcc_BASEVER | sed -e 's/^\([0-9]*\).*$/\1/'` |
1560 | #define GCCPLUGIN_VERSION_MINOR `echo $gcc_BASEVER | sed -e 's/^[0-9]*\.\([0-9]*\).*$/\1/'` | |
1561 | #define GCCPLUGIN_VERSION_PATCHLEVEL `echo $gcc_BASEVER | sed -e 's/^[0-9]*\.[0-9]*\.\([0-9]*\)$/\1/'` | |
1562 | #define GCCPLUGIN_VERSION (GCCPLUGIN_VERSION_MAJOR*1000 + GCCPLUGIN_VERSION_MINOR) | |
1563 | ||
e8ad34e4 | 1564 | static char basever[] = "$gcc_BASEVER"; |
1565 | static char datestamp[] = "$gcc_DATESTAMP"; | |
1566 | static char devphase[] = "$gcc_DEVPHASE"; | |
1567 | static char revision[] = "$gcc_REVISION"; | |
1568 | ||
1569 | /* FIXME plugins: We should make the version information more precise. | |
1570 | One way to do is to add a checksum. */ | |
1571 | ||
1572 | static struct plugin_gcc_version gcc_version = {basever, datestamp, | |
1573 | devphase, revision, | |
1574 | configuration_arguments}; | |
1575 | EOF | |
1576 | changequote([,])dnl | |
1577 | ||
be2828ce | 1578 | # Internationalization |
c6976b58 | 1579 | ZW_GNU_GETTEXT_SISTER_DIR |
c5ab9ed2 | 1580 | |
c6976b58 | 1581 | # If LIBINTL contains LIBICONV, then clear LIBICONV so we don't get |
1582 | # -liconv on the link line twice. | |
1583 | case "$LIBINTL" in *$LIBICONV*) | |
1584 | LIBICONV= ;; | |
1585 | esac | |
be2828ce | 1586 | |
197f58fa | 1587 | AC_ARG_ENABLE(secureplt, |
bc6c87c1 | 1588 | [AS_HELP_STRING([--enable-secureplt], |
1589 | [enable -msecure-plt by default for PowerPC])], | |
197f58fa | 1590 | [], []) |
1591 | ||
a2beb429 | 1592 | AC_ARG_ENABLE(leading-mingw64-underscores, |
1593 | AS_HELP_STRING([--enable-leading-mingw64-underscores], | |
bc6c87c1 | 1594 | [enable leading underscores on 64 bit mingw targets]), |
a2beb429 | 1595 | [],[]) |
1596 | AS_IF([ test x"$enable_leading_mingw64_underscores" = xyes ], | |
1597 | [AC_DEFINE(USE_MINGW64_LEADING_UNDERSCORES, 1, | |
1598 | [Define if we should use leading underscore on 64 bit mingw targets])]) | |
1599 | ||
144c3e90 | 1600 | AC_ARG_ENABLE(cld, |
bc6c87c1 | 1601 | [AS_HELP_STRING([--enable-cld], [enable -mcld by default for 32bit x86])], [], |
144c3e90 | 1602 | [enable_cld=no]) |
1603 | ||
fc00a76a | 1604 | AC_ARG_ENABLE(frame-pointer, |
bc6c87c1 | 1605 | [AS_HELP_STRING([--enable-frame-pointer], |
1606 | [enable -fno-omit-frame-pointer by default for 32bit x86])], [], | |
fc00a76a | 1607 | [ |
1608 | case $target_os in | |
c59b06cc | 1609 | linux* | darwin[[8912]]*) |
1610 | # Enable -fomit-frame-pointer by default for Linux and Darwin with | |
1611 | # DWARF2. | |
fc00a76a | 1612 | enable_frame_pointer=no |
1613 | ;; | |
1614 | *) | |
1615 | enable_frame_pointer=yes | |
1616 | ;; | |
1617 | esac | |
1618 | ]) | |
1619 | ||
778a2833 | 1620 | # Windows32 Registry support for specifying GCC installation paths. |
1621 | AC_ARG_ENABLE(win32-registry, | |
bc6c87c1 | 1622 | [AS_HELP_STRING([--disable-win32-registry], |
1623 | [disable lookup of installation paths in the | |
1624 | Registry on Windows hosts]) | |
1625 | AS_HELP_STRING([--enable-win32-registry], [enable registry lookup (default)]) | |
1626 | AS_HELP_STRING([--enable-win32-registry=KEY], | |
1627 | [use KEY instead of GCC version as the last portion | |
1628 | of the registry key])],,) | |
1af67e62 | 1629 | |
45449d9f | 1630 | case $host_os in |
1af67e62 | 1631 | win32 | pe | cygwin* | mingw32* | uwin*) |
1632 | if test "x$enable_win32_registry" != xno; then | |
1633 | AC_SEARCH_LIBS(RegOpenKeyExA, advapi32,, [enable_win32_registry=no]) | |
1634 | fi | |
778a2833 | 1635 | |
1af67e62 | 1636 | if test "x$enable_win32_registry" != xno; then |
1637 | AC_DEFINE(ENABLE_WIN32_REGISTRY, 1, | |
1638 | [Define to 1 if installation paths should be looked up in the Windows | |
1639 | Registry. Ignored on non-Windows hosts.]) | |
1640 | ||
1641 | if test "x$enable_win32_registry" != xyes \ | |
1642 | && test "x$enable_win32_registry" != x; then | |
1643 | AC_DEFINE_UNQUOTED(WIN32_REGISTRY_KEY, "$enable_win32_registry", | |
1644 | [Define to be the last component of the Windows registry key under which | |
1645 | to look for installation paths. The full key used will be | |
1646 | HKEY_LOCAL_MACHINE/SOFTWARE/Free Software Foundation/{WIN32_REGISTRY_KEY}. | |
1647 | The default is the GCC version number.]) | |
1648 | fi | |
1649 | fi | |
778a2833 | 1650 | ;; |
1651 | esac | |
1652 | ||
cab2aaca | 1653 | # Get an absolute path to the GCC top-level source directory |
3354d061 | 1654 | holddir=`${PWDCMD-pwd}` |
cab2aaca | 1655 | cd $srcdir |
3354d061 | 1656 | topdir=`${PWDCMD-pwd}` |
cab2aaca | 1657 | cd $holddir |
1658 | ||
0045e563 | 1659 | # Conditionalize the makefile for this host machine. |
a455468e | 1660 | xmake_file= |
2e222ce5 | 1661 | for f in ${host_xmake_file} |
5a92ba2a | 1662 | do |
bf3637a9 | 1663 | if test -f ${srcdir}/config/$f |
5a92ba2a | 1664 | then |
a455468e | 1665 | xmake_file="${xmake_file} \$(srcdir)/config/$f" |
5a92ba2a | 1666 | fi |
1667 | done | |
01dc27ef | 1668 | |
0045e563 | 1669 | # Conditionalize the makefile for this target machine. |
a455468e | 1670 | tmake_file_= |
2e222ce5 | 1671 | for f in ${tmake_file} |
5a92ba2a | 1672 | do |
bf3637a9 | 1673 | if test -f ${srcdir}/config/$f |
5a92ba2a | 1674 | then |
a455468e | 1675 | tmake_file_="${tmake_file_} \$(srcdir)/config/$f" |
5a92ba2a | 1676 | fi |
1677 | done | |
a455468e | 1678 | tmake_file="${tmake_file_}" |
4fc83d8e | 1679 | |
0045e563 | 1680 | out_object_file=`basename $out_file .c`.o |
3e87b980 | 1681 | common_out_object_file=`basename $common_out_file .c`.o |
4fc83d8e | 1682 | |
ff05e09e | 1683 | tm_file_list="options.h" |
a317e77e | 1684 | tm_include_list="options.h insn-constants.h" |
0045e563 | 1685 | for f in $tm_file; do |
de5102fe | 1686 | case $f in |
504cf784 | 1687 | ./* ) |
1688 | f=`echo $f | sed 's/^..//'` | |
1689 | tm_file_list="${tm_file_list} $f" | |
1690 | tm_include_list="${tm_include_list} $f" | |
1691 | ;; | |
673b6e5a | 1692 | defaults.h ) |
4dcab8b7 | 1693 | tm_file_list="${tm_file_list} \$(srcdir)/$f" |
1694 | tm_include_list="${tm_include_list} $f" | |
1695 | ;; | |
1696 | * ) | |
1697 | tm_file_list="${tm_file_list} \$(srcdir)/config/$f" | |
1698 | tm_include_list="${tm_include_list} config/$f" | |
1699 | ;; | |
de5102fe | 1700 | esac |
0045e563 | 1701 | done |
01dc27ef | 1702 | |
83b8e55b | 1703 | tm_p_file_list= |
4dcab8b7 | 1704 | tm_p_include_list= |
83b8e55b | 1705 | for f in $tm_p_file; do |
805e22b2 | 1706 | case $f in |
1707 | tm-preds.h ) | |
4dcab8b7 | 1708 | tm_p_file_list="${tm_p_file_list} $f" |
1709 | tm_p_include_list="${tm_p_include_list} $f" | |
1710 | ;; | |
1711 | * ) | |
1712 | tm_p_file_list="${tm_p_file_list} \$(srcdir)/config/$f" | |
1713 | tm_p_include_list="${tm_p_include_list} config/$f" | |
1714 | esac | |
1715 | done | |
1716 | ||
1717 | xm_file_list= | |
1718 | xm_include_list= | |
1719 | for f in $xm_file; do | |
1720 | case $f in | |
1721 | ansidecl.h ) | |
1722 | xm_file_list="${xm_file_list} \$(srcdir)/../include/$f" | |
1723 | xm_include_list="${xm_include_list} $f" | |
1724 | ;; | |
1725 | auto-host.h ) | |
1726 | xm_file_list="${xm_file_list} $f" | |
1727 | xm_include_list="${xm_include_list} $f" | |
1728 | ;; | |
1729 | * ) | |
1730 | xm_file_list="${xm_file_list} \$(srcdir)/config/$f" | |
1731 | xm_include_list="${xm_include_list} config/$f" | |
1732 | ;; | |
805e22b2 | 1733 | esac |
83b8e55b | 1734 | done |
1735 | ||
0045e563 | 1736 | host_xm_file_list= |
4dcab8b7 | 1737 | host_xm_include_list= |
0045e563 | 1738 | for f in $host_xm_file; do |
de5102fe | 1739 | case $f in |
673b6e5a | 1740 | ansidecl.h ) |
4dcab8b7 | 1741 | host_xm_file_list="${host_xm_file_list} \$(srcdir)/../include/$f" |
1742 | host_xm_include_list="${host_xm_include_list} $f" | |
1743 | ;; | |
1f3233d1 | 1744 | auto-host.h ) |
4dcab8b7 | 1745 | host_xm_file_list="${host_xm_file_list} $f" |
1746 | host_xm_include_list="${host_xm_include_list} $f" | |
1747 | ;; | |
1748 | * ) | |
1749 | host_xm_file_list="${host_xm_file_list} \$(srcdir)/config/$f" | |
1750 | host_xm_include_list="${host_xm_include_list} config/$f" | |
1751 | ;; | |
de5102fe | 1752 | esac |
0045e563 | 1753 | done |
1754 | ||
1755 | build_xm_file_list= | |
1756 | for f in $build_xm_file; do | |
de5102fe | 1757 | case $f in |
673b6e5a | 1758 | ansidecl.h ) |
4dcab8b7 | 1759 | build_xm_file_list="${build_xm_file_list} \$(srcdir)/../include/$f" |
1760 | build_xm_include_list="${build_xm_include_list} $f" | |
1761 | ;; | |
1f3233d1 | 1762 | auto-build.h | auto-host.h ) |
4dcab8b7 | 1763 | build_xm_file_list="${build_xm_file_list} $f" |
1764 | build_xm_include_list="${build_xm_include_list} $f" | |
1765 | ;; | |
1766 | * ) | |
1767 | build_xm_file_list="${build_xm_file_list} \$(srcdir)/config/$f" | |
1768 | build_xm_include_list="${build_xm_include_list} config/$f" | |
1769 | ;; | |
de5102fe | 1770 | esac |
0045e563 | 1771 | done |
01dc27ef | 1772 | |
29d774d0 | 1773 | # Define macro CROSS_DIRECTORY_STRUCTURE in compilation if this is a |
1774 | # cross-compiler which does not use the native headers and libraries. | |
0fc07c25 | 1775 | # Also use all.cross instead of all.internal and adjust SYSTEM_HEADER_DIR. |
1776 | CROSS= AC_SUBST(CROSS) | |
1777 | ALL=all.internal AC_SUBST(ALL) | |
1778 | SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)' AC_SUBST(SYSTEM_HEADER_DIR) | |
5e368ffe | 1779 | |
1780 | if test "x$with_build_sysroot" != x; then | |
6ea4242f | 1781 | build_system_header_dir=$with_build_sysroot'$${sysroot_headers_suffix}$(NATIVE_SYSTEM_HEADER_DIR)' |
5e368ffe | 1782 | else |
1783 | # This value is used, even on a native system, because | |
1784 | # CROSS_SYSTEM_HEADER_DIR is just | |
1785 | # $(TARGET_SYSTEM_ROOT)$(NATIVE_SYSTEM_HEADER_DIR). | |
1786 | build_system_header_dir='$(CROSS_SYSTEM_HEADER_DIR)' | |
1787 | fi | |
1788 | ||
bf3637a9 | 1789 | if test x$host != x$target |
0045e563 | 1790 | then |
29d774d0 | 1791 | CROSS="-DCROSS_DIRECTORY_STRUCTURE" |
0fc07c25 | 1792 | ALL=all.cross |
a99be165 | 1793 | SYSTEM_HEADER_DIR=$build_system_header_dir |
4ae4e5e8 | 1794 | case "$host","$target" in |
62cb8057 | 1795 | # Darwin crosses can use the host system's libraries and headers, |
1796 | # because of the fat library support. Of course, it must be the | |
1797 | # same version of Darwin on both sides. Allow the user to | |
1798 | # just say --target=foo-darwin without a version number to mean | |
1799 | # "the version on this system". | |
1800 | *-*-darwin*,*-*-darwin*) | |
1801 | hostos=`echo $host | sed 's/.*-darwin/darwin/'` | |
1802 | targetos=`echo $target | sed 's/.*-darwin/darwin/'` | |
1803 | if test $hostos = $targetos -o $targetos = darwin ; then | |
1804 | CROSS= | |
1805 | SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)' | |
1806 | with_headers=yes | |
1807 | fi | |
1808 | ;; | |
1809 | ||
4ae4e5e8 | 1810 | i?86-*-*,x86_64-*-* \ |
1811 | | powerpc*-*-*,powerpc64*-*-*) | |
1812 | CROSS="$CROSS -DNATIVE_CROSS" ;; | |
1813 | esac | |
57b57a7d | 1814 | |
1815 | case $target in | |
1816 | *-*-mingw*) | |
1817 | if test "x$with_headers" = x; then | |
1818 | with_headers=yes | |
1819 | fi | |
1820 | ;; | |
1821 | *) | |
1822 | ;; | |
1823 | esac | |
e81222a4 | 1824 | elif test "x$TARGET_SYSTEM_ROOT" != x; then |
5e368ffe | 1825 | SYSTEM_HEADER_DIR=$build_system_header_dir |
0045e563 | 1826 | fi |
01dc27ef | 1827 | |
81aabcf8 | 1828 | # If this is a cross-compiler that does not |
1829 | # have its own set of headers then define | |
1830 | # inhibit_libc | |
1831 | ||
3caddd4e | 1832 | # If this is using newlib, without having the headers available now, |
1833 | # then define inhibit_libc in LIBGCC2_CFLAGS. | |
c872ef71 | 1834 | # This prevents libgcc2 from containing any code which requires libc |
1835 | # support. | |
58a8c75f | 1836 | : ${inhibit_libc=false} |
3caddd4e | 1837 | if { { test x$host != x$target && test "x$with_sysroot" = x ; } || |
1838 | test x$with_newlib = xyes ; } && | |
9ad4b12b | 1839 | { test "x$with_headers" = x || test "x$with_headers" = xno ; } ; then |
a99be165 | 1840 | inhibit_libc=true |
81aabcf8 | 1841 | fi |
1842 | AC_SUBST(inhibit_libc) | |
1843 | ||
0fc07c25 | 1844 | # When building gcc with a cross-compiler, we need to adjust things so |
1845 | # that the generator programs are still built with the native compiler. | |
f2397fc4 | 1846 | # Also, we cannot run fixincludes. |
0fc07c25 | 1847 | |
1848 | # These are the normal (build=host) settings: | |
58933515 | 1849 | CC_FOR_BUILD='$(CC)' AC_SUBST(CC_FOR_BUILD) |
a44c8c3b | 1850 | CXX_FOR_BUILD='$(CXX)' AC_SUBST(CXX_FOR_BUILD) |
805e22b2 | 1851 | BUILD_CFLAGS='$(ALL_CFLAGS)' AC_SUBST(BUILD_CFLAGS) |
a44c8c3b | 1852 | BUILD_CXXFLAGS='$(ALL_CXXFLAGS)' AC_SUBST(BUILD_CXXFLAGS) |
9841cd80 | 1853 | BUILD_LDFLAGS='$(LDFLAGS)' AC_SUBST(BUILD_LDFLAGS) |
0fc07c25 | 1854 | STMP_FIXINC=stmp-fixinc AC_SUBST(STMP_FIXINC) |
4c05f6ec | 1855 | |
c19ee476 | 1856 | # And these apply if build != host, or we are generating coverage data |
1857 | if test x$build != x$host || test "x$coverage_flags" != x | |
0045e563 | 1858 | then |
4a867005 | 1859 | BUILD_CFLAGS='$(INTERNAL_CFLAGS) $(T_CFLAGS) $(CFLAGS_FOR_BUILD)' |
9841cd80 | 1860 | BUILD_LDFLAGS='$(LDFLAGS_FOR_BUILD)' |
0045e563 | 1861 | fi |
01dc27ef | 1862 | |
33fd845b | 1863 | # Expand extra_headers to include complete path. |
1864 | # This substitutes for lots of t-* files. | |
1865 | extra_headers_list= | |
a78cd2c1 | 1866 | # Prepend $(srcdir)/config/${cpu_type}/ to every entry in extra_headers. |
1867 | for file in ${extra_headers} ; do | |
1868 | extra_headers_list="${extra_headers_list} \$(srcdir)/config/${cpu_type}/${file}" | |
1869 | done | |
33fd845b | 1870 | |
50388ca3 | 1871 | # If use_gcc_tgmath is set, append ginclude/tgmath.h. |
1872 | if test x"$use_gcc_tgmath" = xyes | |
1873 | then extra_headers_list="${extra_headers_list} \$(srcdir)/ginclude/tgmath.h" | |
1874 | fi | |
1875 | ||
e08c7853 | 1876 | # Define collect2 in Makefile. |
1877 | case $host_can_use_collect2 in | |
1878 | no) collect2= ;; | |
1879 | *) collect2='collect2$(exeext)' ;; | |
1880 | esac | |
1881 | AC_SUBST([collect2]) | |
1882 | ||
0045e563 | 1883 | # Add a definition of USE_COLLECT2 if system wants one. |
7349ace9 | 1884 | case $use_collect2 in |
1885 | no) use_collect2= ;; | |
1886 | "") ;; | |
1887 | *) | |
1888 | host_xm_defines="${host_xm_defines} USE_COLLECT2" | |
1889 | xm_defines="${xm_defines} USE_COLLECT2" | |
e08c7853 | 1890 | case $host_can_use_collect2 in |
1891 | no) | |
1892 | AC_MSG_ERROR([collect2 is required but cannot be built on this system]) | |
1893 | ;; | |
1894 | esac | |
7349ace9 | 1895 | ;; |
1896 | esac | |
0045e563 | 1897 | |
ca42e774 | 1898 | AC_DEFINE_UNQUOTED(LTOPLUGINSONAME,"${host_lto_plugin_soname}", |
1899 | [Define to the name of the LTO plugin DSO that must be | |
1900 | passed to the linker's -plugin=LIB option.]) | |
1901 | ||
d8a2ca58 | 1902 | # --------------------------- |
1903 | # Assembler & linker features | |
1904 | # --------------------------- | |
1905 | ||
794723c1 | 1906 | # During stage 2, ld is actually gcc/collect-ld, which is a small script to |
1907 | # discern between when to use prev-ld/ld-new and when to use ld/ld-new. | |
1908 | # However when ld-new is first executed from the build tree, libtool will | |
1909 | # relink it as .libs/lt-ld-new, so that it can give it an RPATH that refers | |
1910 | # to the build tree. While doing this we need to use the previous-stage | |
1911 | # linker, or we have an infinite loop. The presence of a shell script as | |
1912 | # ld/ld-new, and the fact that the script *uses ld itself*, is what confuses | |
1913 | # the gcc/collect-ld script. So we need to know how libtool works, or | |
1914 | # exec-tool will fail. | |
1915 | ||
1916 | m4_defun([_LT_CONFIG_COMMANDS], []) | |
1917 | AC_PROG_LIBTOOL | |
1918 | AC_SUBST(objdir) | |
1919 | AC_SUBST(enable_fast_install) | |
1920 | ||
d2aaa43f | 1921 | # Identify the assembler which will work hand-in-glove with the newly |
1922 | # built GCC, so that we can examine its features. This is the assembler | |
1923 | # which will be driven by the driver program. | |
1924 | # | |
1925 | # If build != host, and we aren't building gas in-tree, we identify a | |
1926 | # build->target assembler and hope that it will have the same features | |
1927 | # as the host->target assembler we'll be using. | |
398f3874 | 1928 | gcc_cv_gas_major_version= |
1929 | gcc_cv_gas_minor_version= | |
0a4f4d70 | 1930 | gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/gas |
c47832b1 | 1931 | |
1932 | m4_pattern_allow([AS_FOR_TARGET])dnl | |
1933 | AS_VAR_SET_IF(gcc_cv_as,, [ | |
f8b7dbdb | 1934 | if test -x "$DEFAULT_ASSEMBLER"; then |
1935 | gcc_cv_as="$DEFAULT_ASSEMBLER" | |
7349ace9 | 1936 | elif test -f $gcc_cv_as_gas_srcdir/configure.in \ |
58220290 | 1937 | && test -f ../gas/Makefile \ |
1938 | && test x$build = x$host; then | |
c47832b1 | 1939 | gcc_cv_as=../gas/as-new$build_exeext |
1940 | elif test -x as$build_exeext; then | |
1941 | # Build using assembler in the current directory. | |
1942 | gcc_cv_as=./as$build_exeext | |
f3599371 | 1943 | elif ( set dummy $AS_FOR_TARGET; test -x $[2] ); then |
c47832b1 | 1944 | gcc_cv_as="$AS_FOR_TARGET" |
1945 | else | |
1946 | AC_PATH_PROG(gcc_cv_as, $AS_FOR_TARGET) | |
1947 | fi]) | |
1948 | ||
1949 | ORIGINAL_AS_FOR_TARGET=$gcc_cv_as | |
1950 | AC_SUBST(ORIGINAL_AS_FOR_TARGET) | |
bdbe7091 | 1951 | case "$ORIGINAL_AS_FOR_TARGET" in |
1952 | ./as | ./as$build_exeext) ;; | |
1953 | *) AC_CONFIG_FILES(as:exec-tool.in, [chmod +x as]) ;; | |
1954 | esac | |
c47832b1 | 1955 | |
1956 | AC_MSG_CHECKING(what assembler to use) | |
1957 | if test "$gcc_cv_as" = ../gas/as-new$build_exeext; then | |
58220290 | 1958 | # Single tree build which includes gas. We want to prefer it |
1959 | # over whatever linker top-level may have detected, since | |
1960 | # we'll use what we're building after installation anyway. | |
c47832b1 | 1961 | AC_MSG_RESULT(newly built gas) |
667fe30b | 1962 | in_tree_gas=yes |
1963 | _gcc_COMPUTE_GAS_VERSION | |
0dac358a | 1964 | in_tree_gas_is_elf=no |
1965 | if grep 'obj_format = elf' ../gas/Makefile > /dev/null \ | |
1966 | || (grep 'obj_format = multi' ../gas/Makefile \ | |
1967 | && grep 'extra_objects =.* obj-elf' ../gas/Makefile) > /dev/null | |
1968 | then | |
1969 | in_tree_gas_is_elf=yes | |
1970 | fi | |
c47832b1 | 1971 | else |
1972 | AC_MSG_RESULT($gcc_cv_as) | |
1973 | in_tree_gas=no | |
398f3874 | 1974 | fi |
1975 | ||
d2aaa43f | 1976 | # Identify the linker which will work hand-in-glove with the newly |
1977 | # built GCC, so that we can examine its features. This is the linker | |
1978 | # which will be driven by the driver program. | |
1979 | # | |
1980 | # If build != host, and we aren't building gas in-tree, we identify a | |
1981 | # build->target linker and hope that it will have the same features | |
1982 | # as the host->target linker we'll be using. | |
0d6378a9 | 1983 | gcc_cv_gld_major_version= |
1984 | gcc_cv_gld_minor_version= | |
1985 | gcc_cv_ld_gld_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/ld | |
1986 | gcc_cv_ld_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd | |
c47832b1 | 1987 | |
1988 | AS_VAR_SET_IF(gcc_cv_ld,, [ | |
0d6378a9 | 1989 | if test -x "$DEFAULT_LINKER"; then |
1990 | gcc_cv_ld="$DEFAULT_LINKER" | |
7349ace9 | 1991 | elif test -f $gcc_cv_ld_gld_srcdir/configure.in \ |
58220290 | 1992 | && test -f ../ld/Makefile \ |
1993 | && test x$build = x$host; then | |
c47832b1 | 1994 | gcc_cv_ld=../ld/ld-new$build_exeext |
1995 | elif test -x collect-ld$build_exeext; then | |
1996 | # Build using linker in the current directory. | |
1997 | gcc_cv_ld=./collect-ld$build_exeext | |
f3599371 | 1998 | elif ( set dummy $LD_FOR_TARGET; test -x $[2] ); then |
c47832b1 | 1999 | gcc_cv_ld="$LD_FOR_TARGET" |
2000 | else | |
2001 | AC_PATH_PROG(gcc_cv_ld, $LD_FOR_TARGET) | |
2002 | fi]) | |
2003 | ||
a93e9832 | 2004 | ORIGINAL_PLUGIN_LD_FOR_TARGET=$gcc_cv_ld |
61f41b94 | 2005 | PLUGIN_LD_SUFFIX=`basename $gcc_cv_ld | sed -e "s,$target_alias-,,"` |
a93e9832 | 2006 | AC_ARG_WITH(plugin-ld, |
bc6c87c1 | 2007 | [AS_HELP_STRING([[--with-plugin-ld=[ARG]]], [specify the plugin linker])], |
a93e9832 | 2008 | [if test x"$withval" != x; then |
2009 | ORIGINAL_PLUGIN_LD_FOR_TARGET="$withval" | |
61f41b94 | 2010 | PLUGIN_LD_SUFFIX=`echo $withval | sed -e "s,$target_alias-,,"` |
a93e9832 | 2011 | fi]) |
2012 | AC_SUBST(ORIGINAL_PLUGIN_LD_FOR_TARGET) | |
61f41b94 | 2013 | AC_DEFINE_UNQUOTED(PLUGIN_LD_SUFFIX, "$PLUGIN_LD_SUFFIX", [Specify plugin linker]) |
a93e9832 | 2014 | |
c2ce8e07 | 2015 | # Check to see if we are using gold instead of ld |
2016 | AC_MSG_CHECKING(whether we are using gold) | |
2017 | ld_is_gold=no | |
2018 | if test x$gcc_cv_ld != x; then | |
2019 | if $gcc_cv_ld --version 2>/dev/null | sed 1q \ | |
2020 | | grep "GNU gold" > /dev/null; then | |
2021 | ld_is_gold=yes | |
2022 | fi | |
2023 | fi | |
2024 | AC_MSG_RESULT($ld_is_gold) | |
2025 | ||
c47832b1 | 2026 | ORIGINAL_LD_FOR_TARGET=$gcc_cv_ld |
2027 | AC_SUBST(ORIGINAL_LD_FOR_TARGET) | |
bdbe7091 | 2028 | case "$ORIGINAL_LD_FOR_TARGET" in |
2029 | ./collect-ld | ./collect-ld$build_exeext) ;; | |
2030 | *) AC_CONFIG_FILES(collect-ld:exec-tool.in, [chmod +x collect-ld]) ;; | |
2031 | esac | |
c47832b1 | 2032 | |
2033 | AC_MSG_CHECKING(what linker to use) | |
c5f741b3 | 2034 | if test "$gcc_cv_ld" = ../ld/ld-new$build_exeext \ |
2035 | || test "$gcc_cv_ld" = ../gold/ld-new$build_exeext; then | |
58220290 | 2036 | # Single tree build which includes ld. We want to prefer it |
2037 | # over whatever linker top-level may have detected, since | |
2038 | # we'll use what we're building after installation anyway. | |
c47832b1 | 2039 | AC_MSG_RESULT(newly built ld) |
7349ace9 | 2040 | in_tree_ld=yes |
0dac358a | 2041 | in_tree_ld_is_elf=no |
2042 | if (grep 'EMUL = .*elf' ../ld/Makefile \ | |
092f763e | 2043 | || grep 'EMUL = .*linux' ../ld/Makefile \ |
2044 | || grep 'EMUL = .*lynx' ../ld/Makefile) > /dev/null; then | |
0dac358a | 2045 | in_tree_ld_is_elf=yes |
c5f741b3 | 2046 | elif test "$ld_is_gold" = yes; then |
2047 | in_tree_ld_is_elf=yes | |
0dac358a | 2048 | fi |
0d6378a9 | 2049 | for f in $gcc_cv_ld_bfd_srcdir/configure $gcc_cv_ld_gld_srcdir/configure $gcc_cv_ld_gld_srcdir/configure.in $gcc_cv_ld_gld_srcdir/Makefile.in |
2050 | do | |
2051 | changequote(,)dnl | |
06c2a8a3 | 2052 | gcc_cv_gld_version=`sed -n -e 's/^[ ]*VERSION=[^0-9A-Za-z_]*\([0-9]*\.[0-9]*.*\)/VERSION=\1/p' < $f` |
0d6378a9 | 2053 | if test x$gcc_cv_gld_version != x; then |
2054 | break | |
2055 | fi | |
2056 | done | |
06c2a8a3 | 2057 | case $gcc_cv_gld_version in |
2058 | VERSION=[0-9]*) ;; | |
2059 | changequote([,])dnl | |
2060 | *) AC_MSG_ERROR([[cannot find version of in-tree linker]]) ;; | |
2061 | changequote(,)dnl | |
2062 | esac | |
0d6378a9 | 2063 | gcc_cv_gld_major_version=`expr "$gcc_cv_gld_version" : "VERSION=\([0-9]*\)"` |
2064 | gcc_cv_gld_minor_version=`expr "$gcc_cv_gld_version" : "VERSION=[0-9]*\.\([0-9]*\)"` | |
2065 | changequote([,])dnl | |
c47832b1 | 2066 | else |
2067 | AC_MSG_RESULT($gcc_cv_ld) | |
2068 | in_tree_ld=no | |
0d6378a9 | 2069 | fi |
2070 | ||
398f3874 | 2071 | # Figure out what nm we will be using. |
37c5bbf8 | 2072 | gcc_cv_binutils_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/binutils |
c47832b1 | 2073 | AS_VAR_SET_IF(gcc_cv_nm,, [ |
f32e3360 | 2074 | if test -f $gcc_cv_binutils_srcdir/configure.in \ |
13648950 | 2075 | && test -f ../binutils/Makefile \ |
2076 | && test x$build = x$host; then | |
f32e3360 | 2077 | gcc_cv_nm=../binutils/nm-new$build_exeext |
2078 | elif test -x nm$build_exeext; then | |
68c3d71c | 2079 | gcc_cv_nm=./nm$build_exeext |
f3599371 | 2080 | elif ( set dummy $NM_FOR_TARGET; test -x $[2] ); then |
c47832b1 | 2081 | gcc_cv_nm="$NM_FOR_TARGET" |
2082 | else | |
2083 | AC_PATH_PROG(gcc_cv_nm, $NM_FOR_TARGET) | |
2084 | fi]) | |
f32e3360 | 2085 | |
f32e3360 | 2086 | AC_MSG_CHECKING(what nm to use) |
c47832b1 | 2087 | if test "$gcc_cv_nm" = ../binutils/nm-new$build_exeext; then |
2088 | # Single tree build which includes binutils. | |
2089 | AC_MSG_RESULT(newly built nm) | |
2090 | in_tree_nm=yes | |
2091 | else | |
2092 | AC_MSG_RESULT($gcc_cv_nm) | |
2093 | in_tree_nm=no | |
2094 | fi | |
2095 | ||
2096 | ORIGINAL_NM_FOR_TARGET=$gcc_cv_nm | |
2097 | AC_SUBST(ORIGINAL_NM_FOR_TARGET) | |
bdbe7091 | 2098 | case "$ORIGINAL_NM_FOR_TARGET" in |
2099 | ./nm | ./nm$build_exeext) ;; | |
2100 | *) AC_CONFIG_FILES(nm:exec-tool.in, [chmod +x nm]) ;; | |
2101 | esac | |
2102 | ||
398f3874 | 2103 | |
74e387fc | 2104 | # Figure out what objdump we will be using. |
c47832b1 | 2105 | AS_VAR_SET_IF(gcc_cv_objdump,, [ |
ae74ffb7 | 2106 | if test -f $gcc_cv_binutils_srcdir/configure.in \ |
13648950 | 2107 | && test -f ../binutils/Makefile \ |
2108 | && test x$build = x$host; then | |
37c5bbf8 | 2109 | # Single tree build which includes binutils. |
f32e3360 | 2110 | gcc_cv_objdump=../binutils/objdump$build_exeext |
ae74ffb7 | 2111 | elif test -x objdump$build_exeext; then |
2112 | gcc_cv_objdump=./objdump$build_exeext | |
f3599371 | 2113 | elif ( set dummy $OBJDUMP_FOR_TARGET; test -x $[2] ); then |
c47832b1 | 2114 | gcc_cv_objdump="$OBJDUMP_FOR_TARGET" |
2115 | else | |
2116 | AC_PATH_PROG(gcc_cv_objdump, $OBJDUMP_FOR_TARGET) | |
2117 | fi]) | |
ae74ffb7 | 2118 | |
ae74ffb7 | 2119 | AC_MSG_CHECKING(what objdump to use) |
c47832b1 | 2120 | if test "$gcc_cv_objdump" = ../binutils/objdump$build_exeext; then |
2121 | # Single tree build which includes binutils. | |
2122 | AC_MSG_RESULT(newly built objdump) | |
2123 | elif test x$gcc_cv_objdump = x; then | |
2124 | AC_MSG_RESULT(not found) | |
2125 | else | |
2126 | AC_MSG_RESULT($gcc_cv_objdump) | |
2127 | fi | |
74e387fc | 2128 | |
8eac5d17 | 2129 | # Figure out what readelf we will be using. |
2130 | AS_VAR_SET_IF(gcc_cv_readelf,, [ | |
2131 | if test -f $gcc_cv_binutils_srcdir/configure.in \ | |
2132 | && test -f ../binutils/Makefile \ | |
2133 | && test x$build = x$host; then | |
2134 | # Single tree build which includes binutils. | |
2135 | gcc_cv_readelf=../binutils/readelf$build_exeext | |
2136 | elif test -x readelf$build_exeext; then | |
2137 | gcc_cv_readelf=./readelf$build_exeext | |
2138 | else | |
2139 | AC_PATH_PROG(gcc_cv_readelf, readelf) | |
2140 | fi]) | |
2141 | ||
2142 | AC_MSG_CHECKING(what readelf to use) | |
2143 | if test "$gcc_cv_readelf" = ../binutils/readelf$build_exeext; then | |
2144 | # Single tree build which includes binutils. | |
2145 | AC_MSG_RESULT(newly built readelf) | |
2146 | elif test x$gcc_cv_readelf = x; then | |
2147 | AC_MSG_RESULT(not found) | |
2148 | else | |
2149 | AC_MSG_RESULT($gcc_cv_readelf) | |
2150 | fi | |
2151 | ||
398f3874 | 2152 | # Figure out what assembler alignment features are present. |
6d6c1801 | 2153 | gcc_GAS_CHECK_FEATURE([.balign and .p2align], gcc_cv_as_balign_and_p2align, |
2154 | [2,6,0],, | |
2155 | [.balign 4 | |
2156 | .p2align 2],, | |
2157 | [AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN, 1, | |
2158 | [Define if your assembler supports .balign and .p2align.])]) | |
2159 | ||
2160 | gcc_GAS_CHECK_FEATURE([.p2align with maximum skip], gcc_cv_as_max_skip_p2align, | |
2161 | [2,8,0],, | |
2162 | [.p2align 4,,7],, | |
2163 | [AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN, 1, | |
2164 | [Define if your assembler supports specifying the maximum number | |
2165 | of bytes to skip when using the GAS .p2align command.])]) | |
2166 | ||
4be92808 | 2167 | gcc_GAS_CHECK_FEATURE([.literal16], gcc_cv_as_literal16, |
2168 | [2,8,0],, | |
2169 | [.literal16],, | |
2170 | [AC_DEFINE(HAVE_GAS_LITERAL16, 1, | |
2171 | [Define if your assembler supports .literal16.])]) | |
2172 | ||
6d6c1801 | 2173 | gcc_GAS_CHECK_FEATURE([working .subsection -1], gcc_cv_as_subsection_m1, |
2174 | [elf,2,9,0],, | |
2175 | [conftest_label1: .word 0 | |
b6d28b19 | 2176 | .subsection -1 |
2177 | conftest_label2: .word 0 | |
6d6c1801 | 2178 | .previous], |
2179 | [if test x$gcc_cv_nm != x; then | |
2180 | $gcc_cv_nm conftest.o | grep conftest_label1 > conftest.nm1 | |
2181 | $gcc_cv_nm conftest.o | grep conftest_label2 | sed -e 's/label2/label1/' > conftest.nm2 | |
2182 | if cmp conftest.nm1 conftest.nm2 > /dev/null 2>&1 | |
2183 | then : | |
2184 | else gcc_cv_as_subsection_m1=yes | |
2185 | fi | |
2186 | rm -f conftest.nm1 conftest.nm2 | |
2187 | fi], | |
2188 | [AC_DEFINE(HAVE_GAS_SUBSECTION_ORDERING, 1, | |
2189 | [Define if your assembler supports .subsection and .subsection -1 starts | |
2190 | emitting at the beginning of your section.])]) | |
2191 | ||
2192 | gcc_GAS_CHECK_FEATURE([.weak], gcc_cv_as_weak, | |
2193 | [2,2,0],, | |
2194 | [ .weak foobar],, | |
2195 | [AC_DEFINE(HAVE_GAS_WEAK, 1, [Define if your assembler supports .weak.])]) | |
2196 | ||
f4a30bd7 | 2197 | gcc_GAS_CHECK_FEATURE([.weakref], gcc_cv_as_weakref, |
2198 | [2,17,0],, | |
2199 | [ .weakref foobar, barfnot],, | |
2200 | [AC_DEFINE(HAVE_GAS_WEAKREF, 1, [Define if your assembler supports .weakref.])]) | |
2201 | ||
2455c36b | 2202 | gcc_GAS_CHECK_FEATURE([.nsubspa comdat], gcc_cv_as_nsubspa_comdat, |
2203 | [2,15,91],, | |
2204 | [ .SPACE $TEXT$ | |
2205 | .NSUBSPA $CODE$,COMDAT],, | |
2206 | [AC_DEFINE(HAVE_GAS_NSUBSPA_COMDAT, 1, [Define if your assembler supports .nsubspa comdat option.])]) | |
2207 | ||
6d6c1801 | 2208 | # .hidden needs to be supported in both the assembler and the linker, |
2209 | # because GNU LD versions before 2.12.1 have buggy support for STV_HIDDEN. | |
2210 | # This is irritatingly difficult to feature test for; we have to check the | |
2211 | # date string after the version number. If we've got an in-tree | |
2212 | # ld, we don't know its patchlevel version, so we set the baseline at 2.13 | |
2213 | # to be safe. | |
2214 | # The gcc_GAS_CHECK_FEATURE call just sets a cache variable. | |
2215 | gcc_GAS_CHECK_FEATURE([.hidden], gcc_cv_as_hidden, | |
2216 | [elf,2,13,0],, | |
2217 | [ .hidden foobar | |
05157f42 | 2218 | foobar:],[ |
2219 | # Solaris 9/x86 as incorrectly emits an alias for a hidden symbol with | |
2220 | # STV_HIDDEN, so disable .hidden support if so. | |
2221 | case "${target}" in | |
14f27bc6 | 2222 | i?86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*) |
05157f42 | 2223 | if test x$gcc_cv_as != x && test x$gcc_cv_objdump != x; then |
2224 | cat > conftest.s <<EOF | |
2225 | .globl hidden | |
2226 | .hidden hidden | |
2227 | hidden: | |
2228 | .globl default | |
2229 | .set default,hidden | |
2230 | EOF | |
2231 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \ | |
2232 | && $gcc_cv_objdump -t conftest.o 2>/dev/null | \ | |
2233 | grep '\.hidden default' > /dev/null; then | |
2234 | gcc_cv_as_hidden=no | |
2235 | else | |
2236 | gcc_cv_as_hidden=yes | |
2237 | fi | |
2238 | else | |
2239 | # Assume bug is present if objdump is missing. | |
2240 | gcc_cv_as_hidden=no | |
2241 | fi | |
2242 | ;; | |
2243 | *) | |
2244 | gcc_cv_as_hidden=yes | |
2245 | ;; | |
2246 | esac]) | |
b9099475 | 2247 | case "${target}" in |
2248 | *-*-darwin*) | |
2249 | # Darwin as has some visibility support, though with a different syntax. | |
2250 | gcc_cv_as_hidden=yes | |
2251 | ;; | |
2252 | esac | |
6d6c1801 | 2253 | |
85c0a25c | 2254 | # gnu_indirect_function type is an extension proposed at |
2255 | # http://groups.google/com/group/generic-abi/files. It allows dynamic runtime | |
2256 | # selection of function implementation | |
1c6e0788 | 2257 | AC_ARG_ENABLE(gnu-indirect-function, |
2258 | [AS_HELP_STRING([--enable-gnu-indirect-function], | |
2259 | [enable the use of the @gnu_indirect_function to glibc systems])], | |
2260 | [case $enable_gnu_indirect_function in | |
2261 | yes | no) ;; | |
2262 | *) AC_MSG_ERROR(['$enable_gnu_indirect_function' is an invalid value for --enable-gnu-indirect-function. | |
2263 | Valid choices are 'yes' and 'no'.]) ;; | |
2264 | esac], | |
2265 | [enable_gnu_indirect_function="$default_gnu_indirect_function"]) | |
2266 | if test x$enable_gnu_indirect_function = xyes; then | |
2267 | AC_DEFINE(HAVE_GNU_INDIRECT_FUNCTION, 1, | |
2268 | [Define if your system supports gnu indirect functions.]) | |
85c0a25c | 2269 | fi |
2270 | ||
02bc02b1 | 2271 | changequote(,)dnl |
2272 | if test $in_tree_ld != yes ; then | |
2273 | ld_ver=`$gcc_cv_ld --version 2>/dev/null | sed 1q` | |
c5f741b3 | 2274 | if echo "$ld_ver" | grep GNU > /dev/null; then |
2275 | if test x"$ld_is_gold" = xyes; then | |
2276 | # GNU gold --version looks like this: | |
2277 | # | |
2278 | # GNU gold (GNU Binutils 2.21.51.20110225) 1.11 | |
2279 | # | |
2280 | # We extract the binutils version which is more familiar and specific | |
2281 | # than the gold version. | |
2282 | ld_vers=`echo $ld_ver | sed -n \ | |
2283 | -e 's,^[^)]*[ ]\([0-9][0-9]*\.[0-9][0-9]*[^)]*\)) .*$,\1,p'` | |
2284 | else | |
2285 | # GNU ld --version looks like this: | |
2286 | # | |
2287 | # GNU ld (GNU Binutils) 2.21.51.20110225 | |
2288 | ld_vers=`echo $ld_ver | sed -n \ | |
2289 | -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*.*\)$,\1,p'` | |
2290 | fi | |
02bc02b1 | 2291 | ld_date=`echo $ld_ver | sed -n 's,^.*\([2-9][0-9][0-9][0-9]\)[-]*\([01][0-9]\)[-]*\([0-3][0-9]\).*$,\1\2\3,p'` |
2292 | ld_vers_major=`expr "$ld_vers" : '\([0-9]*\)'` | |
2293 | ld_vers_minor=`expr "$ld_vers" : '[0-9]*\.\([0-9]*\)'` | |
2294 | ld_vers_patch=`expr "$ld_vers" : '[0-9]*\.[0-9]*\.\([0-9]*\)'` | |
dfbfdd90 | 2295 | else |
2296 | case "${target}" in | |
2297 | *-*-solaris2*) | |
1c6e4ce9 | 2298 | # See acinclude.m4 (gcc_SUN_LD_VERSION) for the version number |
2299 | # format. | |
dfbfdd90 | 2300 | # |
1c6e4ce9 | 2301 | # Don't reuse gcc_gv_sun_ld_vers_* in case a linker other than |
2302 | # /usr/ccs/bin/ld has been configured. | |
dfbfdd90 | 2303 | ld_ver=`$gcc_cv_ld -V 2>&1` |
2304 | if echo "$ld_ver" | grep 'Solaris Link Editors' > /dev/null; then | |
2305 | ld_vers=`echo $ld_ver | sed -n \ | |
2306 | -e 's,^.*: 5\.[0-9][0-9]*-\([0-9]\.[0-9][0-9]*\).*$,\1,p'` | |
2307 | ld_vers_major=`expr "$ld_vers" : '\([0-9]*\)'` | |
2308 | ld_vers_minor=`expr "$ld_vers" : '[0-9]*\.\([0-9]*\)'` | |
2309 | fi | |
2310 | ;; | |
2311 | esac | |
02bc02b1 | 2312 | fi |
2313 | fi | |
2314 | changequote([,])dnl | |
2315 | ||
6d6c1801 | 2316 | AC_CACHE_CHECK(linker for .hidden support, gcc_cv_ld_hidden, |
a6b57da2 | 2317 | [[if test $in_tree_ld = yes ; then |
6d6c1801 | 2318 | gcc_cv_ld_hidden=no |
2319 | if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 13 -o "$gcc_cv_gld_major_version" -gt 2 \ | |
2320 | && test $in_tree_ld_is_elf = yes; then | |
2321 | gcc_cv_ld_hidden=yes | |
2322 | fi | |
2323 | else | |
2324 | gcc_cv_ld_hidden=yes | |
c5f741b3 | 2325 | if test x"$ld_is_gold" = xyes; then |
2326 | : | |
2327 | elif echo "$ld_ver" | grep GNU > /dev/null; then | |
1305227a | 2328 | case "${target}" in |
2329 | mmix-knuth-mmixware) | |
2330 | # The linker emits by default mmo, not ELF, so "no" is appropriate. | |
2331 | gcc_cv_ld_hidden=no | |
2332 | ;; | |
2333 | esac | |
6d6c1801 | 2334 | if test 0"$ld_date" -lt 20020404; then |
2335 | if test -n "$ld_date"; then | |
2336 | # If there was date string, but was earlier than 2002-04-04, fail | |
2337 | gcc_cv_ld_hidden=no | |
2338 | elif test -z "$ld_vers"; then | |
2339 | # If there was no date string nor ld version number, something is wrong | |
2340 | gcc_cv_ld_hidden=no | |
2341 | else | |
6d6c1801 | 2342 | test -z "$ld_vers_patch" && ld_vers_patch=0 |
2343 | if test "$ld_vers_major" -lt 2; then | |
2344 | gcc_cv_ld_hidden=no | |
2345 | elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -lt 12; then | |
2346 | gcc_cv_ld_hidden="no" | |
2347 | elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -eq 12 -a "$ld_vers_patch" -eq 0; then | |
2348 | gcc_cv_ld_hidden=no | |
a985a485 | 2349 | fi |
6d6c1801 | 2350 | fi |
61ab9ea9 | 2351 | fi |
6d6c1801 | 2352 | else |
6f8f5d6c | 2353 | case "${target}" in |
b9099475 | 2354 | *-*-darwin*) |
2355 | # Darwin ld has some visibility support. | |
2356 | gcc_cv_ld_hidden=yes | |
2357 | ;; | |
ecb7c90c | 2358 | hppa64*-*-hpux* | ia64*-*-hpux*) |
6f8f5d6c | 2359 | gcc_cv_ld_hidden=yes |
2360 | ;; | |
8177d9d5 | 2361 | *-*-solaris2.9* | *-*-solaris2.1[0-9]*) |
cbbd336d | 2362 | # Support for .hidden in Sun ld appeared in Solaris 9 FCS, but |
2363 | # .symbolic was only added in Solaris 9 12/02. | |
8177d9d5 | 2364 | gcc_cv_ld_hidden=yes |
2365 | ;; | |
6f8f5d6c | 2366 | *) |
2367 | gcc_cv_ld_hidden=no | |
2368 | ;; | |
2369 | esac | |
6d6c1801 | 2370 | fi |
a6b57da2 | 2371 | fi]]) |
6d6c1801 | 2372 | libgcc_visibility=no |
e8c2499b | 2373 | AC_SUBST(libgcc_visibility) |
fcd42b1e | 2374 | GCC_TARGET_TEMPLATE([HAVE_GAS_HIDDEN]) |
0b4b4686 | 2375 | if test $gcc_cv_as_hidden = yes && test $gcc_cv_ld_hidden = yes; then |
6d6c1801 | 2376 | libgcc_visibility=yes |
2377 | AC_DEFINE(HAVE_GAS_HIDDEN, 1, | |
2378 | [Define if your assembler and linker support .hidden.]) | |
2379 | fi | |
5be729c9 | 2380 | |
e94830ac | 2381 | AC_MSG_CHECKING(linker read-only and read-write section mixing) |
2382 | gcc_cv_ld_ro_rw_mix=unknown | |
2383 | if test $in_tree_ld = yes ; then | |
2384 | if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 10 -o "$gcc_cv_gld_major_version" -gt 2 \ | |
2385 | && test $in_tree_ld_is_elf = yes; then | |
2386 | gcc_cv_ld_ro_rw_mix=read-write | |
2387 | fi | |
2388 | elif test x$gcc_cv_as != x -a x$gcc_cv_ld != x -a x$gcc_cv_objdump != x ; then | |
2389 | echo '.section myfoosect, "a"' > conftest1.s | |
2390 | echo '.section myfoosect, "aw"' > conftest2.s | |
2391 | echo '.byte 1' >> conftest2.s | |
2392 | echo '.section myfoosect, "a"' > conftest3.s | |
2393 | echo '.byte 0' >> conftest3.s | |
2394 | if $gcc_cv_as -o conftest1.o conftest1.s > /dev/null 2>&1 \ | |
2395 | && $gcc_cv_as -o conftest2.o conftest2.s > /dev/null 2>&1 \ | |
2396 | && $gcc_cv_as -o conftest3.o conftest3.s > /dev/null 2>&1 \ | |
2397 | && $gcc_cv_ld -shared -o conftest1.so conftest1.o \ | |
2398 | conftest2.o conftest3.o > /dev/null 2>&1; then | |
2399 | gcc_cv_ld_ro_rw_mix=`$gcc_cv_objdump -h conftest1.so \ | |
2400 | | sed -e '/myfoosect/!d' -e N` | |
2401 | if echo "$gcc_cv_ld_ro_rw_mix" | grep CONTENTS > /dev/null; then | |
2402 | if echo "$gcc_cv_ld_ro_rw_mix" | grep READONLY > /dev/null; then | |
2403 | gcc_cv_ld_ro_rw_mix=read-only | |
2404 | else | |
2405 | gcc_cv_ld_ro_rw_mix=read-write | |
2406 | fi | |
2407 | fi | |
2408 | fi | |
2409 | changequote(,)dnl | |
2410 | rm -f conftest.* conftest[123].* | |
2411 | changequote([,])dnl | |
2412 | fi | |
2413 | if test x$gcc_cv_ld_ro_rw_mix = xread-write; then | |
2414 | AC_DEFINE(HAVE_LD_RO_RW_SECTION_MIXING, 1, | |
2415 | [Define if your linker links a mix of read-only | |
2416 | and read-write sections into a read-write section.]) | |
2417 | fi | |
2418 | AC_MSG_RESULT($gcc_cv_ld_ro_rw_mix) | |
2419 | ||
35f51475 | 2420 | gcc_AC_INITFINI_ARRAY |
2421 | ||
6d6c1801 | 2422 | # Check if we have .[us]leb128, and support symbol arithmetic with it. |
2423 | gcc_GAS_CHECK_FEATURE([.sleb128 and .uleb128], gcc_cv_as_leb128, | |
2424 | [elf,2,11,0],, | |
2425 | [ .data | |
37a2e188 | 2426 | .uleb128 L2 - L1 |
2427 | L1: | |
2428 | .uleb128 1280 | |
2429 | .sleb128 -1010 | |
6d6c1801 | 2430 | L2:], |
a6b57da2 | 2431 | [[# GAS versions before 2.11 do not support uleb128, |
6d6c1801 | 2432 | # despite appearing to. |
2433 | # ??? There exists an elf-specific test that will crash | |
2434 | # the assembler. Perhaps it's better to figure out whether | |
2435 | # arbitrary sections are supported and try the test. | |
43557a8f | 2436 | as_ver=`$gcc_cv_as --version 2>/dev/null | sed 1q` |
6d6c1801 | 2437 | if echo "$as_ver" | grep GNU > /dev/null; then |
b29dc614 | 2438 | as_vers=`echo $as_ver | sed -n \ |
c7871c82 | 2439 | -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*.*\)$,\1,p'` |
b29dc614 | 2440 | as_major=`expr "$as_vers" : '\([0-9]*\)'` |
2441 | as_minor=`expr "$as_vers" : '[0-9]*\.\([0-9]*\)'` | |
6d6c1801 | 2442 | if test $as_major -eq 2 && test $as_minor -lt 11 |
2443 | then : | |
2444 | else gcc_cv_as_leb128=yes | |
2445 | fi | |
a6b57da2 | 2446 | fi]], |
6d6c1801 | 2447 | [AC_DEFINE(HAVE_AS_LEB128, 1, |
2448 | [Define if your assembler supports .sleb128 and .uleb128.])]) | |
2449 | ||
fb39ff6e | 2450 | # Check if we have assembler support for unwind directives. |
2451 | gcc_GAS_CHECK_FEATURE([cfi directives], gcc_cv_as_cfi_directive, | |
90deca2e | 2452 | ,, |
fb39ff6e | 2453 | [ .text |
2454 | .cfi_startproc | |
2455 | .cfi_offset 0, 0 | |
2456 | .cfi_same_value 1 | |
2457 | .cfi_def_cfa 1, 2 | |
2458 | .cfi_escape 1, 2, 3, 4, 5 | |
e94830ac | 2459 | .cfi_endproc], |
2460 | [case "$target" in | |
2461 | *-*-solaris*) | |
2462 | # If the linker used on Solaris (like Sun ld) isn't capable of merging | |
2463 | # read-only and read-write sections, we need to make sure that the | |
2464 | # assembler used emits read-write .eh_frame sections. | |
2465 | if test "x$gcc_cv_ld_ro_rw_mix" != xread-write; then | |
2466 | if test "x$gcc_cv_objdump" != x; then | |
2467 | if $gcc_cv_objdump -h conftest.o 2>/dev/null | \ | |
2468 | sed -e /.eh_frame/!d -e N | grep READONLY > /dev/null; then | |
2469 | gcc_cv_as_cfi_directive=no | |
2470 | else | |
ce72f712 | 2471 | case "$target" in |
14f27bc6 | 2472 | i?86-*-solaris2.1[[0-9]]* | x86_64-*-solaris2.1[[0-9]]*) |
ce72f712 | 2473 | # On Solaris/x86, make sure that GCC and gas agree on using |
2474 | # read-only .eh_frame sections for 64-bit. | |
2475 | if $gcc_cv_as --64 -o conftest.o conftest.s > /dev/null 2>&1 && \ | |
2476 | $gcc_cv_objdump -h conftest.o 2>/dev/null | \ | |
2477 | sed -e /.eh_frame/!d -e N | \ | |
2478 | grep READONLY > /dev/null; then | |
2479 | gcc_cv_as_cfi_directive=yes | |
2480 | else | |
2481 | gcc_cv_as_cfi_directive=no | |
2482 | fi | |
2483 | ;; | |
2484 | *) | |
2485 | gcc_cv_as_cfi_directive=yes | |
2486 | ;; | |
2487 | esac | |
e94830ac | 2488 | fi |
2489 | else | |
2490 | # no objdump, err on the side of caution | |
2491 | gcc_cv_as_cfi_directive=no | |
2492 | fi | |
2493 | else | |
2494 | gcc_cv_as_cfi_directive=yes | |
2495 | fi | |
2496 | ;; | |
2497 | *-*-*) | |
2498 | gcc_cv_as_cfi_directive=yes | |
2499 | ;; | |
2500 | esac]) | |
331fc3f2 | 2501 | if test $gcc_cv_as_cfi_directive = yes && test x$gcc_cv_objdump != x; then |
8eac5d17 | 2502 | gcc_GAS_CHECK_FEATURE([working cfi advance], gcc_cv_as_cfi_advance_working, |
2503 | ,, | |
2504 | [ .text | |
2505 | .cfi_startproc | |
2506 | .cfi_adjust_cfa_offset 64 | |
1bf24b5f | 2507 | .skip 75040, 0 |
8eac5d17 | 2508 | .cfi_adjust_cfa_offset 128 |
2509 | .cfi_endproc], | |
a6b57da2 | 2510 | [[ |
331fc3f2 | 2511 | if $gcc_cv_objdump -Wf conftest.o 2>/dev/null \ |
1bf24b5f | 2512 | | grep 'DW_CFA_advance_loc[24]:[ ][ ]*75040[ ]' >/dev/null; then |
8eac5d17 | 2513 | gcc_cv_as_cfi_advance_working=yes |
2514 | fi | |
a6b57da2 | 2515 | ]]) |
8eac5d17 | 2516 | else |
331fc3f2 | 2517 | # no objdump, err on the side of caution |
f9a42338 | 2518 | gcc_cv_as_cfi_advance_working=no |
8eac5d17 | 2519 | fi |
ff5f1a52 | 2520 | GCC_TARGET_TEMPLATE(HAVE_GAS_CFI_DIRECTIVE) |
fb39ff6e | 2521 | AC_DEFINE_UNQUOTED(HAVE_GAS_CFI_DIRECTIVE, |
8eac5d17 | 2522 | [`if test $gcc_cv_as_cfi_directive = yes \ |
2523 | && test $gcc_cv_as_cfi_advance_working = yes; then echo 1; else echo 0; fi`], | |
3dcd5df1 | 2524 | [Define 0/1 if your assembler supports CFI directives.]) |
2525 | ||
ff5f1a52 | 2526 | GCC_TARGET_TEMPLATE(HAVE_GAS_CFI_PERSONALITY_DIRECTIVE) |
3dcd5df1 | 2527 | gcc_GAS_CHECK_FEATURE([cfi personality directive], |
90deca2e | 2528 | gcc_cv_as_cfi_personality_directive, ,, |
3dcd5df1 | 2529 | [ .text |
846a6223 | 2530 | .cfi_startproc |
3dcd5df1 | 2531 | .cfi_personality 0, symbol |
2532 | .cfi_endproc]) | |
2533 | AC_DEFINE_UNQUOTED(HAVE_GAS_CFI_PERSONALITY_DIRECTIVE, | |
2534 | [`if test $gcc_cv_as_cfi_personality_directive = yes; | |
2535 | then echo 1; else echo 0; fi`], | |
2536 | [Define 0/1 if your assembler supports .cfi_personality.]) | |
fb39ff6e | 2537 | |
033a2356 | 2538 | gcc_GAS_CHECK_FEATURE([cfi sections directive], |
2539 | gcc_cv_as_cfi_sections_directive, ,, | |
2540 | [ .text | |
2541 | .cfi_sections .debug_frame, .eh_frame | |
2542 | .cfi_startproc | |
331fc3f2 | 2543 | .cfi_endproc], |
2544 | [case $target_os in | |
2545 | win32 | pe | cygwin* | mingw32* | uwin*) | |
2546 | # Need to check that we generated the correct relocation for the | |
2547 | # .debug_frame section. This was fixed for binutils 2.21. | |
2548 | gcc_cv_as_cfi_sections_directive=no | |
2549 | if test "x$gcc_cv_objdump" != x; then | |
2550 | if $gcc_cv_objdump -j .debug_frame -r conftest.o 2>/dev/null | \ | |
2551 | grep secrel > /dev/null; then | |
2552 | gcc_cv_as_cfi_sections_directive=yes | |
2553 | fi | |
2554 | fi | |
2555 | ;; | |
2556 | *) | |
2557 | gcc_cv_as_cfi_sections_directive=yes | |
2558 | ;; | |
2559 | esac]) | |
ff5f1a52 | 2560 | GCC_TARGET_TEMPLATE(HAVE_GAS_CFI_SECTIONS_DIRECTIVE) |
033a2356 | 2561 | AC_DEFINE_UNQUOTED(HAVE_GAS_CFI_SECTIONS_DIRECTIVE, |
2562 | [`if test $gcc_cv_as_cfi_sections_directive = yes; | |
2563 | then echo 1; else echo 0; fi`], | |
2564 | [Define 0/1 if your assembler supports .cfi_sections.]) | |
2565 | ||
6d6c1801 | 2566 | # GAS versions up to and including 2.11.0 may mis-optimize |
2567 | # .eh_frame data. | |
2568 | gcc_GAS_CHECK_FEATURE(eh_frame optimization, gcc_cv_as_eh_frame, | |
2569 | [elf,2,12,0],, | |
2570 | [ .text | |
c3f311c4 | 2571 | .LFB1: |
2572 | .4byte 0 | |
2573 | .L1: | |
2574 | .4byte 0 | |
2575 | .LFE1: | |
2576 | .section .eh_frame,"aw",@progbits | |
2577 | __FRAME_BEGIN__: | |
2578 | .4byte .LECIE1-.LSCIE1 | |
2579 | .LSCIE1: | |
2580 | .4byte 0x0 | |
2581 | .byte 0x1 | |
2582 | .ascii "z\0" | |
2583 | .byte 0x1 | |
2584 | .byte 0x78 | |
2585 | .byte 0x1a | |
2586 | .byte 0x0 | |
2587 | .byte 0x4 | |
2588 | .4byte 1 | |
2589 | .p2align 1 | |
2590 | .LECIE1: | |
2591 | .LSFDE1: | |
2592 | .4byte .LEFDE1-.LASFDE1 | |
2593 | .LASFDE1: | |
2594 | .4byte .LASFDE1-__FRAME_BEGIN__ | |
2595 | .4byte .LFB1 | |
2596 | .4byte .LFE1-.LFB1 | |
2597 | .byte 0x4 | |
2598 | .4byte .LFE1-.LFB1 | |
2599 | .byte 0x4 | |
2600 | .4byte .L1-.LFB1 | |
6d6c1801 | 2601 | .LEFDE1:], |
6a8964db | 2602 | [ dnl # For autoconf 2.5x, must protect trailing spaces with @&t@. |
2603 | cat > conftest.lit <<EOF | |
c3f311c4 | 2604 | 0000 10000000 00000000 017a0001 781a0004 .........z..x... |
2605 | 0010 01000000 12000000 18000000 00000000 ................ | |
6a8964db | 2606 | 0020 08000000 04080000 0044 .........D @&t@ |
82ebecf9 | 2607 | EOF |
6a8964db | 2608 | cat > conftest.big <<EOF |
82ebecf9 | 2609 | 0000 00000010 00000000 017a0001 781a0004 .........z..x... |
2610 | 0010 00000001 00000012 00000018 00000000 ................ | |
6a8964db | 2611 | 0020 00000008 04000000 0844 .........D @&t@ |
c3f311c4 | 2612 | EOF |
6d6c1801 | 2613 | # If the assembler didn't choke, and we can objdump, |
2614 | # and we got the correct data, then succeed. | |
a9e7d751 | 2615 | # The text in the here-document typically retains its unix-style line |
2616 | # endings, while the output of objdump will use host line endings. | |
2617 | # Therefore, use diff -b for the comparisons. | |
6d6c1801 | 2618 | if test x$gcc_cv_objdump != x \ |
2619 | && $gcc_cv_objdump -s -j .eh_frame conftest.o 2>/dev/null \ | |
2620 | | tail -3 > conftest.got \ | |
a9e7d751 | 2621 | && { diff -b conftest.lit conftest.got > /dev/null 2>&1 \ |
2622 | || diff -b conftest.big conftest.got > /dev/null 2>&1; } | |
6d6c1801 | 2623 | then |
2624 | gcc_cv_as_eh_frame=yes | |
2625 | elif AC_TRY_COMMAND($gcc_cv_as -o conftest.o --traditional-format /dev/null); then | |
2626 | gcc_cv_as_eh_frame=buggy | |
2627 | else | |
2628 | # Uh oh, what do we do now? | |
2629 | gcc_cv_as_eh_frame=no | |
2630 | fi]) | |
2631 | ||
2632 | if test $gcc_cv_as_eh_frame = buggy; then | |
2633 | AC_DEFINE(USE_AS_TRADITIONAL_FORMAT, 1, | |
2634 | [Define if your assembler mis-optimizes .eh_frame data.]) | |
bb2821c0 | 2635 | fi |
bb2821c0 | 2636 | |
6d6c1801 | 2637 | gcc_GAS_CHECK_FEATURE(section merging support, gcc_cv_as_shf_merge, |
2638 | [elf,2,12,0], [--fatal-warnings], | |
cdb2d692 | 2639 | [.section .rodata.str, "aMS", @progbits, 1]) |
537cd941 | 2640 | if test $gcc_cv_as_shf_merge = no; then |
2641 | gcc_GAS_CHECK_FEATURE(section merging support, gcc_cv_as_shf_merge, | |
2642 | [elf,2,12,0], [--fatal-warnings], | |
2643 | [.section .rodata.str, "aMS", %progbits, 1]) | |
2644 | fi | |
cdb2d692 | 2645 | AC_DEFINE_UNQUOTED(HAVE_GAS_SHF_MERGE, |
2646 | [`if test $gcc_cv_as_shf_merge = yes; then echo 1; else echo 0; fi`], | |
2647 | [Define 0/1 if your assembler supports marking sections with SHF_MERGE flag.]) | |
6d6c1801 | 2648 | |
3468b0d6 | 2649 | gcc_GAS_CHECK_FEATURE([COMDAT group support (GNU as)], |
2650 | gcc_cv_as_comdat_group, | |
2593b9be | 2651 | [elf,2,16,0], [--fatal-warnings], |
537cd941 | 2652 | [.section .text,"axG",@progbits,.foo,comdat]) |
2653 | if test $gcc_cv_as_comdat_group = yes; then | |
2654 | gcc_cv_as_comdat_group_percent=no | |
3468b0d6 | 2655 | gcc_cv_as_comdat_group_group=no |
537cd941 | 2656 | else |
3468b0d6 | 2657 | gcc_GAS_CHECK_FEATURE([COMDAT group support (GNU as, %type)], |
2658 | gcc_cv_as_comdat_group_percent, | |
2593b9be | 2659 | [elf,2,16,0], [--fatal-warnings], |
537cd941 | 2660 | [.section .text,"axG",%progbits,.foo,comdat]) |
3468b0d6 | 2661 | if test $gcc_cv_as_comdat_group_percent = yes; then |
2662 | gcc_cv_as_comdat_group_group=no | |
2663 | else | |
85b43f93 | 2664 | if test -z "${gcc_cv_as_comdat_group_group+set}"; then |
2665 | gcc_cv_as_comdat_group_group=no | |
2666 | fi | |
3468b0d6 | 2667 | case "${target}" in |
2668 | # Sun as uses a completely different syntax. | |
2669 | *-*-solaris2*) | |
2670 | case "${target}" in | |
2671 | sparc*-*-solaris2*) | |
2672 | conftest_s=' | |
2673 | .group foo,".text%foo",#comdat | |
2674 | .section ".text%foo", #alloc,#execinstr,#progbits | |
2675 | .globl foo | |
2676 | foo: | |
2677 | ' | |
2678 | ;; | |
14f27bc6 | 2679 | i?86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*) |
3468b0d6 | 2680 | conftest_s=' |
2681 | .group foo,.text%foo,#comdat | |
2682 | .section .text%foo, "ax", @progbits | |
2683 | .globl foo | |
2684 | foo: | |
2685 | ' | |
2686 | ;; | |
2687 | esac | |
2688 | gcc_GAS_CHECK_FEATURE([COMDAT group support (Sun as, .group)], | |
2689 | gcc_cv_as_comdat_group_group, | |
2690 | ,, [$conftest_s]) | |
2691 | ;; | |
2692 | esac | |
2693 | fi | |
537cd941 | 2694 | fi |
c2ce8e07 | 2695 | if test x"$ld_is_gold" = xyes; then |
2696 | comdat_group=yes | |
2697 | elif test $in_tree_ld = yes ; then | |
e97d11c2 | 2698 | comdat_group=no |
2699 | if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 16 -o "$gcc_cv_gld_major_version" -gt 2 \ | |
2700 | && test $in_tree_ld_is_elf = yes; then | |
2701 | comdat_group=yes | |
2702 | fi | |
dfbfdd90 | 2703 | elif echo "$ld_ver" | grep GNU > /dev/null; then |
2593b9be | 2704 | comdat_group=yes |
2705 | if test 0"$ld_date" -lt 20050308; then | |
2706 | if test -n "$ld_date"; then | |
2707 | # If there was date string, but was earlier than 2005-03-08, fail | |
2708 | comdat_group=no | |
2709 | elif test "$ld_vers_major" -lt 2; then | |
2710 | comdat_group=no | |
2711 | elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -lt 16; then | |
2712 | comdat_group=no | |
2713 | fi | |
2714 | fi | |
f3424fe6 | 2715 | else |
dfbfdd90 | 2716 | changequote(,)dnl |
2717 | case "${target}" in | |
2718 | *-*-solaris2.1[1-9]*) | |
3468b0d6 | 2719 | comdat_group=no |
dfbfdd90 | 2720 | # Sun ld has COMDAT group support since Solaris 9, but it doesn't |
2721 | # interoperate with GNU as until Solaris 11 build 130, i.e. ld | |
2722 | # version 1.688. | |
2723 | # | |
3468b0d6 | 2724 | # If using Sun as for COMDAT group as emitted by GCC, one needs at |
2725 | # least ld version 1.2267. | |
2726 | if test "$ld_vers_major" -gt 1; then | |
dfbfdd90 | 2727 | comdat_group=yes |
3468b0d6 | 2728 | elif test "x$gas_flag" = xyes && test "$ld_vers_minor" -ge 1688; then |
2729 | comdat_group=yes | |
2730 | elif test "$ld_vers_minor" -ge 2267; then | |
2731 | comdat_group=yes | |
dfbfdd90 | 2732 | fi |
2733 | ;; | |
2734 | *) | |
2735 | # Assume linkers other than GNU ld don't support COMDAT group. | |
2736 | comdat_group=no | |
2737 | ;; | |
2738 | esac | |
2739 | changequote([,])dnl | |
f3424fe6 | 2740 | fi |
dfbfdd90 | 2741 | # Allow overriding the automatic COMDAT group tests above. |
2742 | AC_ARG_ENABLE(comdat, | |
2743 | [AS_HELP_STRING([--enable-comdat], [enable COMDAT group support])], | |
2744 | [comdat_group="$enable_comdat"]) | |
f3424fe6 | 2745 | if test $comdat_group = no; then |
2746 | gcc_cv_as_comdat_group=no | |
2747 | gcc_cv_as_comdat_group_percent=no | |
3468b0d6 | 2748 | gcc_cv_as_comdat_group_group=no |
2593b9be | 2749 | fi |
2750 | AC_DEFINE_UNQUOTED(HAVE_COMDAT_GROUP, | |
3468b0d6 | 2751 | [`if test $gcc_cv_as_comdat_group = yes \ |
2752 | || test $gcc_cv_as_comdat_group_percent = yes \ | |
2753 | || test $gcc_cv_as_comdat_group_group = yes; then echo 1; else echo 0; fi`], | |
2593b9be | 2754 | [Define 0/1 if your assembler and linker support COMDAT groups.]) |
537cd941 | 2755 | |
d01c707b | 2756 | gcc_GAS_CHECK_FEATURE([line table discriminator support], |
2757 | gcc_cv_as_discriminator, | |
2758 | [2,19,51],, | |
2759 | [ .text | |
2760 | .file 1 "conf.c" | |
2761 | .loc 1 1 0 discriminator 1],, | |
2762 | [AC_DEFINE(HAVE_GAS_DISCRIMINATOR, 1, | |
2763 | [Define if your assembler supports the .loc discriminator sub-directive.])]) | |
2764 | ||
c656b8fd | 2765 | # Thread-local storage - the check is heavily parameterized. |
2d6788fe | 2766 | conftest_s= |
2767 | tls_first_major= | |
2768 | tls_first_minor= | |
527d5be8 | 2769 | tls_as_opt= |
2d6788fe | 2770 | case "$target" in |
2771 | changequote(,)dnl | |
5f7b9df8 | 2772 | alpha*-*-*) |
2773 | conftest_s=' | |
2774 | .section ".tdata","awT",@progbits | |
2775 | foo: .long 25 | |
2776 | .text | |
2777 | ldq $27,__tls_get_addr($29) !literal!1 | |
2778 | lda $16,foo($29) !tlsgd!1 | |
2779 | jsr $26,($27),__tls_get_addr !lituse_tlsgd!1 | |
2780 | ldq $27,__tls_get_addr($29) !literal!2 | |
2781 | lda $16,foo($29) !tlsldm!2 | |
2782 | jsr $26,($27),__tls_get_addr !lituse_tlsldm!2 | |
2783 | ldq $1,foo($29) !gotdtprel | |
2784 | ldah $2,foo($29) !dtprelhi | |
2785 | lda $3,foo($2) !dtprello | |
2786 | lda $4,foo($29) !dtprel | |
2787 | ldq $1,foo($29) !gottprel | |
2788 | ldah $2,foo($29) !tprelhi | |
2789 | lda $3,foo($2) !tprello | |
2790 | lda $4,foo($29) !tprel' | |
2791 | tls_first_major=2 | |
2792 | tls_first_minor=13 | |
07a23b4e | 2793 | tls_as_opt=--fatal-warnings |
5f7b9df8 | 2794 | ;; |
10178ded | 2795 | cris-*-*|crisv32-*-*) |
2796 | conftest_s=' | |
2797 | .section ".tdata","awT",@progbits | |
2798 | x: .long 25 | |
2799 | .text | |
2800 | move.d x:IE,$r10 | |
2801 | nop' | |
2802 | tls_first_major=2 | |
2803 | tls_first_minor=20 | |
2804 | tls_as_opt=--fatal-warnings | |
2805 | ;; | |
cfd199cb | 2806 | frv*-*-*) |
2807 | conftest_s=' | |
2808 | .section ".tdata","awT",@progbits | |
2809 | x: .long 25 | |
2810 | .text | |
2811 | call #gettlsoff(x)' | |
2812 | tls_first_major=2 | |
2813 | tls_first_minor=14 | |
2814 | ;; | |
716b2c5a | 2815 | hppa*-*-linux*) |
2816 | conftest_s=' | |
2817 | t1: .reg %r20 | |
2818 | t2: .reg %r21 | |
2819 | gp: .reg %r19 | |
2820 | .section ".tdata","awT",@progbits | |
2821 | foo: .long 25 | |
2822 | .text | |
2823 | .align 4 | |
2824 | addil LT%foo-$tls_gdidx$,gp | |
2825 | ldo RT%foo-$tls_gdidx$(%r1),%arg0 | |
2826 | b __tls_get_addr | |
2827 | nop | |
2828 | addil LT%foo-$tls_ldidx$,gp | |
2829 | b __tls_get_addr | |
2830 | ldo RT%foo-$tls_ldidx$(%r1),%arg0 | |
2831 | addil LR%foo-$tls_dtpoff$,%ret0 | |
2832 | ldo RR%foo-$tls_dtpoff$(%r1),%t1 | |
2833 | mfctl %cr27,%t1 | |
2834 | addil LT%foo-$tls_ieoff$,gp | |
2835 | ldw RT%foo-$tls_ieoff$(%r1),%t2 | |
2836 | add %t1,%t2,%t3 | |
2837 | mfctl %cr27,%t1 | |
2838 | addil LR%foo-$tls_leoff$,%t1 | |
2839 | ldo RR%foo-$tls_leoff$(%r1),%t2' | |
2840 | tls_first_major=2 | |
2841 | tls_first_minor=15 | |
2842 | tls_as_opt=--fatal-warnings | |
2843 | ;; | |
f655717d | 2844 | arm*-*-*) |
2845 | conftest_s=' | |
2846 | .section ".tdata","awT",%progbits | |
2847 | foo: .long 25 | |
2848 | .text | |
2849 | .word foo(gottpoff) | |
2850 | .word foo(tpoff) | |
2851 | .word foo(tlsgd) | |
2852 | .word foo(tlsldm) | |
2853 | .word foo(tlsldo)' | |
2854 | tls_first_major=2 | |
2855 | tls_first_minor=17 | |
2856 | ;; | |
14f27bc6 | 2857 | i[34567]86-*-* | x86_64-*-solaris2.1[0-9]*) |
7d070520 | 2858 | case "$target" in |
7d070520 | 2859 | i[34567]86-*-solaris2.*) |
2860 | on_solaris=yes | |
eedcd8ac | 2861 | tga_func=___tls_get_addr |
7d070520 | 2862 | ;; |
14f27bc6 | 2863 | x86_64-*-solaris2.1[0-9]*) |
2864 | on_solaris=yes | |
2865 | tga_func=__tls_get_addr | |
2866 | ;; | |
7d070520 | 2867 | *) |
2868 | on_solaris=no | |
2869 | ;; | |
2870 | esac | |
2871 | if test x$on_solaris = xyes && test x$gas_flag = xno; then | |
2872 | conftest_s=' | |
2873 | .section .tdata,"awt",@progbits' | |
2874 | tls_first_major=0 | |
2875 | tls_first_minor=0 | |
2876 | changequote([,])dnl | |
2877 | AC_DEFINE(TLS_SECTION_ASM_FLAG, 't', | |
2878 | [Define to the flag used to mark TLS sections if the default (`T') doesn't work.]) | |
2879 | changequote(,)dnl | |
2880 | else | |
2881 | conftest_s=' | |
2882 | .section ".tdata","awT",@progbits' | |
2883 | tls_first_major=2 | |
2884 | tls_first_minor=14 | |
2885 | tls_as_opt="--fatal-warnings" | |
2886 | fi | |
2887 | conftest_s="$conftest_s | |
2d6788fe | 2888 | foo: .long 25 |
2889 | .text | |
2890 | movl %gs:0, %eax | |
7d070520 | 2891 | leal foo@tlsgd(,%ebx,1), %eax |
2892 | leal foo@tlsldm(%ebx), %eax | |
2893 | leal foo@dtpoff(%eax), %edx | |
2894 | movl foo@gottpoff(%ebx), %eax | |
2895 | subl foo@gottpoff(%ebx), %eax | |
2896 | addl foo@gotntpoff(%ebx), %eax | |
2897 | movl foo@indntpoff, %eax | |
2898 | movl \$foo@tpoff, %eax | |
2899 | subl \$foo@tpoff, %eax | |
2900 | leal foo@ntpoff(%ecx), %eax" | |
2901 | ;; | |
29d8dd5c | 2902 | x86_64-*-*) |
2903 | conftest_s=' | |
2904 | .section ".tdata","awT",@progbits | |
2905 | foo: .long 25 | |
2906 | .text | |
2907 | movq %fs:0, %rax | |
2908 | leaq foo@TLSGD(%rip), %rdi | |
2909 | leaq foo@TLSLD(%rip), %rdi | |
2910 | leaq foo@DTPOFF(%rax), %rdx | |
2911 | movq foo@GOTTPOFF(%rip), %rax | |
2912 | movq $foo@TPOFF, %rax' | |
2913 | tls_first_major=2 | |
2914 | tls_first_minor=14 | |
07a23b4e | 2915 | tls_as_opt=--fatal-warnings |
2d6788fe | 2916 | ;; |
c87e09ad | 2917 | ia64-*-*) |
2918 | conftest_s=' | |
2919 | .section ".tdata","awT",@progbits | |
2920 | foo: data8 25 | |
2921 | .text | |
2922 | addl r16 = @ltoff(@dtpmod(foo#)), gp | |
2923 | addl r17 = @ltoff(@dtprel(foo#)), gp | |
2924 | addl r18 = @ltoff(@tprel(foo#)), gp | |
2925 | addl r19 = @dtprel(foo#), gp | |
2926 | adds r21 = @dtprel(foo#), r13 | |
2927 | movl r23 = @dtprel(foo#) | |
2928 | addl r20 = @tprel(foo#), gp | |
2929 | adds r22 = @tprel(foo#), r13 | |
2930 | movl r24 = @tprel(foo#)' | |
2931 | tls_first_major=2 | |
2932 | tls_first_minor=13 | |
07a23b4e | 2933 | tls_as_opt=--fatal-warnings |
c87e09ad | 2934 | ;; |
42bdde4b | 2935 | mips*-*-*) |
2936 | conftest_s=' | |
2937 | .section .tdata,"awT",@progbits | |
2938 | x: | |
2939 | .word 2 | |
2940 | .text | |
2941 | addiu $4, $28, %tlsgd(x) | |
2942 | addiu $4, $28, %tlsldm(x) | |
2943 | lui $4, %dtprel_hi(x) | |
2944 | addiu $4, $4, %dtprel_lo(x) | |
2945 | lw $4, %gottprel(x)($28) | |
2946 | lui $4, %tprel_hi(x) | |
2947 | addiu $4, $4, %tprel_lo(x)' | |
2948 | tls_first_major=2 | |
2949 | tls_first_minor=16 | |
2950 | tls_as_opt='-32 --fatal-warnings' | |
2951 | ;; | |
869bde6b | 2952 | m68k-*-*) |
2953 | conftest_s=' | |
2954 | .section .tdata,"awT",@progbits | |
2955 | x: | |
2956 | .word 2 | |
2957 | .text | |
2958 | foo: | |
2959 | move.l x@TLSGD(%a5),%a0 | |
2960 | move.l x@TLSLDM(%a5),%a0 | |
2961 | move.l x@TLSLDO(%a5),%a0 | |
2962 | move.l x@TLSIE(%a5),%a0 | |
2963 | move.l x@TLSLE(%a5),%a0' | |
2964 | tls_first_major=2 | |
2965 | tls_first_minor=19 | |
2966 | tls_as_opt='--fatal-warnings' | |
2967 | ;; | |
9b552c45 | 2968 | powerpc-*-*) |
2969 | conftest_s=' | |
2970 | .section ".tdata","awT",@progbits | |
2971 | .align 2 | |
2972 | ld0: .space 4 | |
2973 | ld1: .space 4 | |
2974 | x1: .space 4 | |
2975 | x2: .space 4 | |
2976 | x3: .space 4 | |
2977 | .text | |
2978 | addi 3,31,ld0@got@tlsgd | |
2979 | bl __tls_get_addr | |
2980 | addi 3,31,x1@got@tlsld | |
2981 | bl __tls_get_addr | |
2982 | addi 9,3,x1@dtprel | |
2983 | addis 9,3,x2@dtprel@ha | |
2984 | addi 9,9,x2@dtprel@l | |
2985 | lwz 9,x3@got@tprel(31) | |
2986 | add 9,9,x@tls | |
2987 | addi 9,2,x1@tprel | |
2988 | addis 9,2,x2@tprel@ha | |
2989 | addi 9,9,x2@tprel@l' | |
2990 | tls_first_major=2 | |
2991 | tls_first_minor=14 | |
07a23b4e | 2992 | tls_as_opt="-a32 --fatal-warnings" |
9b552c45 | 2993 | ;; |
2994 | powerpc64-*-*) | |
2995 | conftest_s=' | |
2996 | .section ".tdata","awT",@progbits | |
2997 | .align 3 | |
2998 | ld0: .space 8 | |
2999 | ld1: .space 8 | |
3000 | x1: .space 8 | |
3001 | x2: .space 8 | |
3002 | x3: .space 8 | |
3003 | .text | |
3004 | addi 3,2,ld0@got@tlsgd | |
3005 | bl .__tls_get_addr | |
3006 | nop | |
3007 | addi 3,2,ld1@toc | |
3008 | bl .__tls_get_addr | |
3009 | nop | |
3010 | addi 3,2,x1@got@tlsld | |
3011 | bl .__tls_get_addr | |
3012 | nop | |
3013 | addi 9,3,x1@dtprel | |
3014 | bl .__tls_get_addr | |
3015 | nop | |
3016 | addis 9,3,x2@dtprel@ha | |
3017 | addi 9,9,x2@dtprel@l | |
3018 | bl .__tls_get_addr | |
3019 | nop | |
3020 | ld 9,x3@got@dtprel(2) | |
3021 | add 9,9,3 | |
3022 | bl .__tls_get_addr | |
3023 | nop' | |
3024 | tls_first_major=2 | |
3025 | tls_first_minor=14 | |
07a23b4e | 3026 | tls_as_opt="-a64 --fatal-warnings" |
9b552c45 | 3027 | ;; |
be00aaa8 | 3028 | s390-*-*) |
3029 | conftest_s=' | |
3030 | .section ".tdata","awT",@progbits | |
3031 | foo: .long 25 | |
3032 | .text | |
3033 | .long foo@TLSGD | |
3034 | .long foo@TLSLDM | |
3035 | .long foo@DTPOFF | |
3036 | .long foo@NTPOFF | |
3037 | .long foo@GOTNTPOFF | |
3038 | .long foo@INDNTPOFF | |
3039 | l %r1,foo@GOTNTPOFF(%r12) | |
3040 | l %r1,0(%r1):tls_load:foo | |
3041 | bas %r14,0(%r1,%r13):tls_gdcall:foo | |
3042 | bas %r14,0(%r1,%r13):tls_ldcall:foo' | |
3043 | tls_first_major=2 | |
3044 | tls_first_minor=14 | |
07a23b4e | 3045 | tls_as_opt="-m31 --fatal-warnings" |
be00aaa8 | 3046 | ;; |
3047 | s390x-*-*) | |
3048 | conftest_s=' | |
3049 | .section ".tdata","awT",@progbits | |
3050 | foo: .long 25 | |
3051 | .text | |
3052 | .quad foo@TLSGD | |
3053 | .quad foo@TLSLDM | |
3054 | .quad foo@DTPOFF | |
3055 | .quad foo@NTPOFF | |
3056 | .quad foo@GOTNTPOFF | |
3057 | lg %r1,foo@GOTNTPOFF(%r12) | |
3058 | larl %r1,foo@INDNTPOFF | |
3059 | brasl %r14,__tls_get_offset@PLT:tls_gdcall:foo | |
3060 | brasl %r14,__tls_get_offset@PLT:tls_ldcall:foo' | |
3061 | tls_first_major=2 | |
3062 | tls_first_minor=14 | |
07a23b4e | 3063 | tls_as_opt="-m64 -Aesame --fatal-warnings" |
be00aaa8 | 3064 | ;; |
ae852eea | 3065 | sh-*-* | sh[34]-*-*) |
3066 | conftest_s=' | |
3067 | .section ".tdata","awT",@progbits | |
3068 | foo: .long 25 | |
3069 | .text | |
3070 | .long foo@TLSGD | |
3071 | .long foo@TLSLDM | |
3072 | .long foo@DTPOFF | |
3073 | .long foo@GOTTPOFF | |
3074 | .long foo@TPOFF' | |
3075 | tls_first_major=2 | |
3076 | tls_first_minor=13 | |
07a23b4e | 3077 | tls_as_opt=--fatal-warnings |
ae852eea | 3078 | ;; |
05b3a83f | 3079 | sparc*-*-*) |
07a23b4e | 3080 | case "$target" in |
3081 | sparc*-sun-solaris2.*) | |
3082 | on_solaris=yes | |
eedcd8ac | 3083 | tga_func=__tls_get_addr |
07a23b4e | 3084 | ;; |
3085 | *) | |
3086 | on_solaris=no | |
3087 | ;; | |
3088 | esac | |
3089 | if test x$on_solaris = xyes && test x$gas_flag = xno; then | |
3090 | conftest_s=' | |
eedcd8ac | 3091 | .section ".tdata",#alloc,#write,#tls' |
07a23b4e | 3092 | tls_first_major=0 |
3093 | tls_first_minor=0 | |
3094 | else | |
3095 | conftest_s=' | |
eedcd8ac | 3096 | .section ".tdata","awT",@progbits' |
3097 | tls_first_major=2 | |
3098 | tls_first_minor=14 | |
3099 | tls_as_opt="-32 --fatal-warnings" | |
3100 | fi | |
3101 | conftest_s="$conftest_s | |
05b3a83f | 3102 | foo: .long 25 |
3103 | .text | |
3104 | sethi %tgd_hi22(foo), %o0 | |
3105 | add %o0, %tgd_lo10(foo), %o1 | |
3106 | add %l7, %o1, %o0, %tgd_add(foo) | |
3107 | call __tls_get_addr, %tgd_call(foo) | |
3108 | sethi %tldm_hi22(foo), %l1 | |
3109 | add %l1, %tldm_lo10(foo), %l2 | |
3110 | add %l7, %l2, %o0, %tldm_add(foo) | |
3111 | call __tls_get_addr, %tldm_call(foo) | |
3112 | sethi %tldo_hix22(foo), %l3 | |
3113 | xor %l3, %tldo_lox10(foo), %l4 | |
3114 | add %o0, %l4, %l5, %tldo_add(foo) | |
3115 | sethi %tie_hi22(foo), %o3 | |
3116 | add %o3, %tie_lo10(foo), %o3 | |
3117 | ld [%l7 + %o3], %o2, %tie_ld(foo) | |
3118 | add %g7, %o2, %o4, %tie_add(foo) | |
3119 | sethi %tle_hix22(foo), %l1 | |
3120 | xor %l1, %tle_lox10(foo), %o5 | |
eedcd8ac | 3121 | ld [%g7 + %o5], %o1" |
05b3a83f | 3122 | ;; |
7ce78e23 | 3123 | tilepro*-*-*) |
3124 | conftest_s=' | |
3125 | .section ".tdata","awT",@progbits | |
3126 | foo: .long 25 | |
3127 | .text | |
3128 | addli r0, zero, tls_gd(foo) | |
3129 | auli r0, zero, tls_gd_ha16(foo) | |
3130 | addli r0, r0, tls_gd_lo16(foo) | |
3131 | jal __tls_get_addr | |
3132 | addli r0, zero, tls_ie(foo) | |
3133 | auli r0, r0, tls_ie_ha16(foo) | |
3134 | addli r0, r0, tls_ie_lo16(foo)' | |
3135 | tls_first_major=2 | |
3136 | tls_first_minor=22 | |
3137 | tls_as_opt="--fatal-warnings" | |
3138 | ;; | |
3139 | tilegx*-*-*) | |
3140 | conftest_s=' | |
3141 | .section ".tdata","awT",@progbits | |
3142 | foo: .long 25 | |
3143 | .text | |
3144 | shl16insli r0, zero, hw0_last_tls_gd(foo) | |
3145 | shl16insli r0, zero, hw1_last_tls_gd(foo) | |
3146 | shl16insli r0, r0, hw0_tls_gd(foo) | |
3147 | jal __tls_get_addr | |
3148 | shl16insli r0, zero, hw1_last_tls_ie(foo) | |
3149 | shl16insli r0, r0, hw0_tls_ie(foo)' | |
3150 | tls_first_major=2 | |
3151 | tls_first_minor=22 | |
3152 | tls_as_opt="--fatal-warnings" | |
3153 | ;; | |
c656b8fd | 3154 | xtensa*-*-*) |
3155 | conftest_s=' | |
3156 | .section ".tdata","awT",@progbits | |
3157 | foo: .long 25 | |
3158 | .text | |
3159 | movi a8, foo@TLSFUNC | |
3160 | movi a10, foo@TLSARG | |
3161 | callx8.tls a8, foo@TLSCALL' | |
3162 | tls_first_major=2 | |
3163 | tls_first_minor=19 | |
3164 | ;; | |
05b3a83f | 3165 | changequote([,])dnl |
2d6788fe | 3166 | esac |
c024e802 | 3167 | set_have_as_tls=no |
3168 | if test "x$enable_tls" = xno ; then | |
3169 | : # TLS explicitly disabled. | |
3170 | elif test "x$enable_tls" = xyes ; then | |
3171 | set_have_as_tls=yes # TLS explicitly enabled. | |
3172 | elif test -z "$tls_first_major"; then | |
6d6c1801 | 3173 | : # If we don't have a check, assume no support. |
3174 | else | |
3175 | gcc_GAS_CHECK_FEATURE(thread-local storage support, gcc_cv_as_tls, | |
07a23b4e | 3176 | [$tls_first_major,$tls_first_minor,0], [$tls_as_opt], [$conftest_s],, |
c024e802 | 3177 | [set_have_as_tls=yes]) |
3178 | fi | |
eedcd8ac | 3179 | case "$target" in |
264a5d11 | 3180 | # TLS was introduced in the Solaris 9 FCS release. Support for GNU-style |
3181 | # TLS on x86 was only introduced in Solaris 9 4/04, replacing the earlier | |
3182 | # Sun style that Sun ld and GCC don't support any longer. | |
eedcd8ac | 3183 | *-*-solaris2.*) |
3184 | AC_MSG_CHECKING(linker and ld.so.1 TLS support) | |
3185 | ld_tls_support=no | |
3186 | # Check ld and ld.so.1 TLS support. | |
3187 | if echo "$ld_ver" | grep GNU > /dev/null; then | |
3188 | # Assume all interesting versions of GNU ld have TLS support. | |
3189 | # FIXME: still need ld.so.1 support, i.e. ld version checks below. | |
3190 | ld_tls_support=yes | |
3191 | else | |
3192 | case "$target" in | |
eedcd8ac | 3193 | # Solaris 9/x86 ld has GNU style TLS support since version 1.374. |
3194 | i?86-*-solaris2.9) | |
3195 | min_tls_ld_vers_minor=374 | |
3196 | ;; | |
3197 | # Solaris 9/SPARC and Solaris 10+ ld have TLS support since FCS. | |
3198 | sparc*-*-solaris2.9 | *-*-solaris2.1[[0-9]]*) | |
3199 | min_tls_ld_vers_minor=343 | |
3200 | ;; | |
3201 | esac | |
432e79bf | 3202 | if test "$ld_vers_major" -gt 1 || \ |
eedcd8ac | 3203 | test "$ld_vers_minor" -ge "$min_tls_ld_vers_minor"; then |
3204 | ld_tls_support=yes | |
3205 | else | |
3206 | set_have_as_tls=no | |
3207 | fi | |
3208 | fi | |
3209 | AC_MSG_RESULT($ld_tls_support) | |
3210 | ||
3211 | save_LIBS="$LIBS" | |
3212 | save_LDFLAGS="$LDFLAGS" | |
3213 | LIBS= | |
3214 | LDFLAGS= | |
3215 | ||
eedcd8ac | 3216 | AC_MSG_CHECKING(library containing $tga_func) |
3217 | # Before Solaris 10, __tls_get_addr (SPARC/x64) resp. ___tls_get_addr | |
3218 | # (32-bit x86) only lived in libthread, so check for that. Keep | |
3219 | # set_have_as_tls if found, disable if not. | |
3220 | AC_SEARCH_LIBS([$tga_func], [thread],, [set_have_as_tls=no]) | |
3221 | # Clear LIBS if we cannot support TLS. | |
3222 | if test $set_have_as_tls = no; then | |
3223 | LIBS= | |
3224 | fi | |
3225 | # Always define LIB_TLS_SPEC, even without TLS support. | |
3226 | AC_DEFINE_UNQUOTED(LIB_TLS_SPEC, "$LIBS", | |
3227 | [Define to the library containing __tls_get_addr/___tls_get_addr.]) | |
3228 | AC_MSG_RESULT($LIBS) | |
3229 | ||
3230 | LIBS="$save_LIBS" | |
3231 | LDFLAGS="$save_LDFLAGS" | |
3232 | ;; | |
3233 | esac | |
c024e802 | 3234 | if test $set_have_as_tls = yes ; then |
3235 | AC_DEFINE(HAVE_AS_TLS, 1, | |
eedcd8ac | 3236 | [Define if your assembler and linker support thread-local storage.]) |
2d6788fe | 3237 | fi |
6d6c1801 | 3238 | |
3239 | # Target-specific assembler checks. | |
2d6788fe | 3240 | |
79f90e2b | 3241 | AC_MSG_CHECKING(linker -Bstatic/-Bdynamic option) |
3242 | gcc_cv_ld_static_dynamic=no | |
e6937b3a | 3243 | gcc_cv_ld_static_option='-Bstatic' |
3244 | gcc_cv_ld_dynamic_option='-Bdynamic' | |
79f90e2b | 3245 | if test $in_tree_ld = yes ; then |
1301d110 | 3246 | if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 10 -o "$gcc_cv_gld_major_version" -gt 2; then |
79f90e2b | 3247 | gcc_cv_ld_static_dynamic=yes |
3248 | fi | |
3249 | elif test x$gcc_cv_ld != x; then | |
92ff09c4 | 3250 | # Check if linker supports -Bstatic/-Bdynamic option |
3251 | if $gcc_cv_ld --help 2>/dev/null | grep -- -Bstatic > /dev/null \ | |
3252 | && $gcc_cv_ld --help 2>/dev/null | grep -- -Bdynamic > /dev/null; then | |
3253 | gcc_cv_ld_static_dynamic=yes | |
3254 | else | |
3255 | case "$target" in | |
098bbbe5 | 3256 | # HP-UX ld uses -a flags to select between shared and archive. |
3257 | *-*-hpux*) | |
3258 | if test x"$gnu_ld" = xno; then | |
3259 | gcc_cv_ld_static_dynamic=yes | |
3260 | gcc_cv_ld_static_option="-aarchive_shared" | |
3261 | gcc_cv_ld_dynamic_option="-adefault" | |
3262 | fi | |
3263 | ;; | |
92ff09c4 | 3264 | # Solaris 2 ld always supports -Bstatic/-Bdynamic. |
3265 | *-*-solaris2*) | |
3266 | gcc_cv_ld_static_dynamic=yes | |
3267 | ;; | |
3268 | esac | |
3269 | fi | |
79f90e2b | 3270 | fi |
3271 | if test x"$gcc_cv_ld_static_dynamic" = xyes; then | |
3272 | AC_DEFINE(HAVE_LD_STATIC_DYNAMIC, 1, | |
e6937b3a | 3273 | [Define if your linker supports -Bstatic/-Bdynamic or equivalent options.]) |
3274 | AC_DEFINE_UNQUOTED(LD_STATIC_OPTION, "$gcc_cv_ld_static_option", | |
3275 | [Define to the linker option to disable use of shared objects.]) | |
3276 | AC_DEFINE_UNQUOTED(LD_DYNAMIC_OPTION, "$gcc_cv_ld_dynamic_option", | |
3277 | [Define to the linker option to enable use of shared objects.]) | |
79f90e2b | 3278 | fi |
3279 | AC_MSG_RESULT($gcc_cv_ld_static_dynamic) | |
3280 | ||
9c948bc2 | 3281 | if test x"$demangler_in_ld" = xyes; then |
3282 | AC_MSG_CHECKING(linker --demangle support) | |
3283 | gcc_cv_ld_demangle=no | |
3284 | if test $in_tree_ld = yes; then | |
3285 | if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 14 -o "$gcc_cv_gld_major_version" -gt 2; then \ | |
3286 | gcc_cv_ld_demangle=yes | |
3287 | fi | |
3288 | elif test x$gcc_cv_ld != x -a x"$gnu_ld" = xyes; then | |
3289 | # Check if the GNU linker supports --demangle option | |
3290 | if $gcc_cv_ld --help 2>/dev/null | grep no-demangle > /dev/null; then | |
3291 | gcc_cv_ld_demangle=yes | |
3292 | fi | |
3293 | fi | |
3294 | if test x"$gcc_cv_ld_demangle" = xyes; then | |
3295 | AC_DEFINE(HAVE_LD_DEMANGLE, 1, | |
3296 | [Define if your linker supports --demangle option.]) | |
3297 | fi | |
3298 | AC_MSG_RESULT($gcc_cv_ld_demangle) | |
3299 | fi | |
3300 | ||
de4d280b | 3301 | AC_MSG_CHECKING(linker plugin support) |
c5f741b3 | 3302 | gcc_cv_lto_plugin=0 |
98de5262 | 3303 | if test -f liblto_plugin.la; then |
1dc619a1 | 3304 | save_ld_ver="$ld_ver" |
3305 | save_ld_vers_major="$ld_vers_major" | |
3306 | save_ld_vers_minor="$ld_vers_minor" | |
3307 | save_ld_is_gold="$ld_is_gold" | |
3308 | ||
3309 | ld_is_gold=no | |
c5f741b3 | 3310 | |
1dc619a1 | 3311 | if test $in_tree_ld = yes -a x"$ORIGINAL_PLUGIN_LD_FOR_TARGET" = x"$gcc_cv_ld"; then |
3312 | ld_ver="GNU ld" | |
3313 | # FIXME: ld_is_gold? | |
3314 | ld_vers_major="$gcc_cv_gld_major_version" | |
3315 | ld_vers_minor="$gcc_cv_gld_minor_version" | |
3316 | else | |
3317 | # Determine plugin linker version. | |
3318 | # FIXME: Partial duplicate from above, generalize. | |
3319 | changequote(,)dnl | |
3320 | ld_ver=`$ORIGINAL_PLUGIN_LD_FOR_TARGET --version 2>/dev/null | sed 1q` | |
3321 | if echo "$ld_ver" | grep GNU > /dev/null; then | |
3322 | if echo "$ld_ver" | grep "GNU gold" > /dev/null; then | |
3323 | ld_is_gold=yes | |
3324 | ld_vers=`echo $ld_ver | sed -n \ | |
3325 | -e 's,^[^)]*[ ]\([0-9][0-9]*\.[0-9][0-9]*[^)]*\)) .*$,\1,p'` | |
3326 | else | |
3327 | ld_vers=`echo $ld_ver | sed -n \ | |
3328 | -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*.*\)$,\1,p'` | |
3329 | fi | |
3330 | ld_vers_major=`expr "$ld_vers" : '\([0-9]*\)'` | |
3331 | ld_vers_minor=`expr "$ld_vers" : '[0-9]*\.\([0-9]*\)'` | |
c5f741b3 | 3332 | fi |
1dc619a1 | 3333 | changequote([,])dnl |
3334 | fi | |
3335 | ||
3336 | # Determine plugin support. | |
3337 | if echo "$ld_ver" | grep GNU > /dev/null; then | |
c5f741b3 | 3338 | # Require GNU ld or gold 2.21+ for plugin support by default. |
3339 | if test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -ge 21; then | |
3340 | gcc_cv_lto_plugin=2 | |
3341 | # Allow -fuse-linker-plugin to enable plugin support in GNU gold 2.20. | |
3342 | elif test "$ld_is_gold" = yes -a "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -eq 20; then | |
3343 | gcc_cv_lto_plugin=1 | |
de4d280b | 3344 | fi |
de4d280b | 3345 | fi |
1dc619a1 | 3346 | |
3347 | ld_ver="$save_ld_ver" | |
3348 | ld_vers_major="$save_ld_vers_major" | |
3349 | ld_vers_minor="$save_ld_vers_minor" | |
3350 | ld_is_gold="$save_ld_is_gold" | |
de4d280b | 3351 | fi |
c5f741b3 | 3352 | AC_DEFINE_UNQUOTED(HAVE_LTO_PLUGIN, $gcc_cv_lto_plugin, |
3353 | [Define to the level of your linker's plugin support.]) | |
de4d280b | 3354 | AC_MSG_RESULT($gcc_cv_lto_plugin) |
3355 | ||
0d6378a9 | 3356 | case "$target" in |
8626dbb9 | 3357 | # All TARGET_ABI_OSF targets. |
126b6848 | 3358 | alpha*-*-linux* | alpha*-*-*bsd*) |
6d6c1801 | 3359 | gcc_GAS_CHECK_FEATURE([explicit relocation support], |
3360 | gcc_cv_as_alpha_explicit_relocs, [2,12,0],, | |
3361 | [ .set nomacro | |
8626dbb9 | 3362 | .text |
3363 | extbl $3, $2, $3 !lituse_bytoff!1 | |
3364 | ldq $2, a($29) !literal!1 | |
3365 | ldq $4, b($29) !literal!2 | |
3366 | ldq_u $3, 0($2) !lituse_base!1 | |
3367 | ldq $27, f($29) !literal!5 | |
3368 | jsr $26, ($27), f !lituse_jsr!5 | |
3369 | ldah $29, 0($26) !gpdisp!3 | |
3370 | lda $0, c($29) !gprel | |
3371 | ldah $1, d($29) !gprelhigh | |
3372 | lda $1, d($1) !gprellow | |
6d6c1801 | 3373 | lda $29, 0($29) !gpdisp!3],, |
3374 | [AC_DEFINE(HAVE_AS_EXPLICIT_RELOCS, 1, | |
3375 | [Define if your assembler supports explicit relocations.])]) | |
592222c2 | 3376 | gcc_GAS_CHECK_FEATURE([jsrdirect relocation support], |
3377 | gcc_cv_as_alpha_jsrdirect_relocs, [2,16,90],, | |
3378 | [ .set nomacro | |
3379 | .text | |
3380 | ldq $27, a($29) !literal!1 | |
3381 | jsr $26, ($27), a !lituse_jsrdirect!1],, | |
3382 | [AC_DEFINE(HAVE_AS_JSRDIRECT_RELOCS, 1, | |
3383 | [Define if your assembler supports the lituse_jsrdirect relocation.])]) | |
8626dbb9 | 3384 | ;; |
4c335027 | 3385 | |
ce4d6134 | 3386 | cris-*-*) |
3387 | gcc_GAS_CHECK_FEATURE([-no-mul-bug-abort option], | |
3388 | gcc_cv_as_cris_no_mul_bug,[2,15,91], | |
3389 | [-no-mul-bug-abort], [.text],, | |
3390 | [AC_DEFINE(HAVE_AS_NO_MUL_BUG_ABORT_OPTION, 1, | |
3391 | [Define if your assembler supports the -no-mul-bug-abort option.])]) | |
3392 | ;; | |
3393 | ||
6d6c1801 | 3394 | sparc*-*-*) |
3395 | gcc_GAS_CHECK_FEATURE([.register], gcc_cv_as_sparc_register_op,,, | |
3396 | [.register %g2, #scratch],, | |
3397 | [AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1, | |
3398 | [Define if your assembler supports .register.])]) | |
3399 | ||
3400 | gcc_GAS_CHECK_FEATURE([-relax option], gcc_cv_as_sparc_relax,, | |
3401 | [-relax], [.text],, | |
3402 | [AC_DEFINE(HAVE_AS_RELAX_OPTION, 1, | |
3403 | [Define if your assembler supports -relax option.])]) | |
3404 | ||
2f1e7d0b | 3405 | gcc_GAS_CHECK_FEATURE([GOTDATA_OP relocs], |
3406 | gcc_cv_as_sparc_gotdata_op,, | |
3407 | [-K PIC], | |
3408 | [.text | |
d958c180 | 3409 | .align 4 |
2f1e7d0b | 3410 | foo: |
3411 | nop | |
3412 | bar: | |
3413 | sethi %gdop_hix22(foo), %g1 | |
3414 | xor %g1, %gdop_lox10(foo), %g1 | |
3415 | ld [[%l7 + %g1]], %g2, %gdop(foo)], | |
3416 | [if test x$gcc_cv_ld != x \ | |
dd84455f | 3417 | && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1; then |
dc360156 | 3418 | if test x$gcc_cv_objdump != x; then |
3419 | if $gcc_cv_objdump -s -j .text conftest 2> /dev/null \ | |
3420 | | grep ' 03000004 82186004 c405c001'> /dev/null 2>&1; then | |
dd84455f | 3421 | gcc_cv_as_sparc_gotdata_op=no |
dc360156 | 3422 | else |
dd84455f | 3423 | gcc_cv_as_sparc_gotdata_op=yes |
dd84455f | 3424 | fi |
dd84455f | 3425 | fi |
2f1e7d0b | 3426 | fi |
3427 | rm -f conftest], | |
3428 | [AC_DEFINE(HAVE_AS_SPARC_GOTDATA_OP, 1, | |
3429 | [Define if your assembler and linker support GOTDATA_OP relocs.])]) | |
3430 | ||
6d6c1801 | 3431 | gcc_GAS_CHECK_FEATURE([unaligned pcrel relocs], |
3432 | gcc_cv_as_sparc_ua_pcrel,, | |
3433 | [-K PIC], | |
3434 | [.text | |
3435 | foo: | |
3436 | nop | |
3437 | .data | |
3438 | .align 4 | |
3439 | .byte 0 | |
3440 | .uaword %r_disp32(foo)], | |
3441 | [if test x$gcc_cv_ld != x \ | |
3442 | && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1; then | |
3443 | gcc_cv_as_sparc_ua_pcrel=yes | |
3444 | fi | |
3445 | rm -f conftest], | |
3446 | [AC_DEFINE(HAVE_AS_SPARC_UA_PCREL, 1, | |
66e333b1 | 3447 | [Define if your assembler and linker support unaligned PC relative relocs.]) |
e715c863 | 3448 | |
6d6c1801 | 3449 | gcc_GAS_CHECK_FEATURE([unaligned pcrel relocs against hidden symbols], |
3450 | gcc_cv_as_sparc_ua_pcrel_hidden,, | |
3451 | [-K PIC], | |
3452 | [.data | |
3453 | .align 4 | |
3454 | .byte 0x31 | |
3455 | .uaword %r_disp32(foo) | |
3456 | .byte 0x32, 0x33, 0x34 | |
3457 | .global foo | |
3458 | .hidden foo | |
3459 | foo: | |
3460 | .skip 4], | |
3461 | [if test x$gcc_cv_ld != x && test x$gcc_cv_objdump != x \ | |
3462 | && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1 \ | |
3463 | && $gcc_cv_objdump -s -j .data conftest 2> /dev/null \ | |
3464 | | grep ' 31000000 07323334' > /dev/null 2>&1; then | |
3465 | if $gcc_cv_objdump -R conftest 2> /dev/null \ | |
3466 | | grep 'DISP32' > /dev/null 2>&1; then | |
3467 | : | |
5a49bf3e | 3468 | else |
6d6c1801 | 3469 | gcc_cv_as_sparc_ua_pcrel_hidden=yes |
0569c094 | 3470 | fi |
6d6c1801 | 3471 | fi |
3472 | rm -f conftest], | |
3473 | [AC_DEFINE(HAVE_AS_SPARC_UA_PCREL_HIDDEN, 1, | |
3474 | [Define if your assembler and linker support unaligned PC relative relocs against hidden symbols.])]) | |
3475 | ]) # unaligned pcrel relocs | |
3476 | ||
3477 | gcc_GAS_CHECK_FEATURE([offsetable %lo()], | |
3478 | gcc_cv_as_sparc_offsetable_lo10,, | |
3479 | [-xarch=v9], | |
3480 | [.text | |
3481 | or %g1, %lo(ab) + 12, %g1 | |
3482 | or %g1, %lo(ab + 12), %g1], | |
3483 | [if test x$gcc_cv_objdump != x \ | |
7908b1a1 | 3484 | && $gcc_cv_objdump -s -j .text conftest.o 2> /dev/null \ |
6d6c1801 | 3485 | | grep ' 82106000 82106000' > /dev/null 2>&1; then |
19f7ae9a | 3486 | gcc_cv_as_sparc_offsetable_lo10=yes |
6d6c1801 | 3487 | fi], |
3488 | [AC_DEFINE(HAVE_AS_OFFSETABLE_LO10, 1, | |
3489 | [Define if your assembler supports offsetable %lo().])]) | |
0468cf8f | 3490 | |
3491 | gcc_GAS_CHECK_FEATURE([FMAF, HPC, and VIS 3.0 instructions], | |
3492 | gcc_cv_as_sparc_fmaf,, | |
3493 | [-xarch=v9d], | |
3494 | [.text | |
d7112989 | 3495 | .register %g2, #scratch |
3496 | .register %g3, #scratch | |
0468cf8f | 3497 | .align 4 |
3498 | fmaddd %f0, %f2, %f4, %f6 | |
3499 | addxccc %g1, %g2, %g3 | |
3500 | fsrl32 %f2, %f4, %f8 | |
3501 | fnaddd %f10, %f12, %f14],, | |
3502 | [AC_DEFINE(HAVE_AS_FMAF_HPC_VIS3, 1, | |
3503 | [Define if your assembler supports FMAF, HPC, and VIS 3.0 instructions.])]) | |
d300bd48 | 3504 | ;; |
3505 | ||
3506 | changequote(,)dnl | |
96b9fbc1 | 3507 | i[34567]86-*-* | x86_64-*-*) |
d300bd48 | 3508 | changequote([,])dnl |
dd9d9ac2 | 3509 | case $target_os in |
3510 | cygwin*) | |
3511 | # Full C++ conformance when using a shared libstdc++-v3 requires some | |
3512 | # support from the Cygwin DLL, which in more recent versions exports | |
3513 | # wrappers to aid in interposing and redirecting operators new, delete, | |
3514 | # etc., as per n2800 #17.6.4.6 [replacement.functions]. Check if we | |
3515 | # are configuring for a version of Cygwin that exports the wrappers. | |
3516 | if test x$host = x$target; then | |
3517 | AC_CHECK_FUNC([__wrap__Znaj],[gcc_ac_cygwin_dll_wrappers=yes],[gcc_ac_cygwin_dll_wrappers=no]) | |
3518 | else | |
3519 | # Can't check presence of libc functions during cross-compile, so | |
3520 | # we just have to assume we're building for an up-to-date target. | |
3521 | gcc_ac_cygwin_dll_wrappers=yes | |
3522 | fi | |
3523 | AC_DEFINE_UNQUOTED(USE_CYGWIN_LIBSTDCXX_WRAPPERS, | |
3524 | [`if test $gcc_ac_cygwin_dll_wrappers = yes; then echo 1; else echo 0; fi`], | |
3525 | [Define if you want to generate code by default that assumes that the | |
3526 | Cygwin DLL exports wrappers to support libstdc++ function replacement.]) | |
3527 | esac | |
1f10d387 | 3528 | case $target_os in |
af8e12d0 | 3529 | cygwin* | pe | mingw32* | interix*) |
7b897de3 | 3530 | # Recent binutils allows the three-operand form of ".comm" on PE. This |
3531 | # definition is used unconditionally to initialise the default state of | |
3532 | # the target option variable that governs usage of the feature. | |
3533 | gcc_GAS_CHECK_FEATURE([.comm with alignment], gcc_cv_as_comm_has_align, | |
3534 | [2,19,52],,[.comm foo,1,32]) | |
3535 | AC_DEFINE_UNQUOTED(HAVE_GAS_ALIGNED_COMM, | |
3536 | [`if test $gcc_cv_as_comm_has_align = yes; then echo 1; else echo 0; fi`], | |
3537 | [Define if your assembler supports specifying the alignment | |
3538 | of objects allocated using the GAS .comm command.]) | |
1f10d387 | 3539 | # Used for DWARF 2 in PE |
3540 | gcc_GAS_CHECK_FEATURE([.secrel32 relocs], | |
3541 | gcc_cv_as_ix86_pe_secrel32, | |
3542 | [2,15,91],, | |
3543 | [.text | |
3544 | foo: nop | |
3545 | .data | |
3546 | .secrel32 foo], | |
3547 | [if test x$gcc_cv_ld != x \ | |
3548 | && $gcc_cv_ld -o conftest conftest.o > /dev/null 2>&1; then | |
3549 | gcc_cv_as_ix86_pe_secrel32=yes | |
3550 | fi | |
3551 | rm -f conftest], | |
3552 | [AC_DEFINE(HAVE_GAS_PE_SECREL32_RELOC, 1, | |
3553 | [Define if your assembler and linker support 32-bit section relative relocs via '.secrel32 label'.])]) | |
4d992eb6 | 3554 | # Test if the assembler supports the extended form of the .section |
3555 | # directive that specifies section alignment. LTO support uses this, | |
3556 | # but normally only after installation, so we warn but don't fail the | |
3557 | # configure if LTO is enabled but the assembler does not support it. | |
3558 | gcc_GAS_CHECK_FEATURE([.section with alignment], gcc_cv_as_section_has_align, | |
3559 | [2,20,1],-fatal-warnings,[.section lto_test,"dr0"]) | |
3560 | if test x$gcc_cv_as_section_has_align != xyes; then | |
3561 | case ",$enable_languages," in | |
3562 | *,lto,*) | |
3563 | AC_MSG_WARN([LTO for $target requires binutils >= 2.20.1, but version found appears insufficient; LTO will not work until binutils is upgraded.]) | |
3564 | ;; | |
3565 | esac | |
3566 | fi | |
c23e11b5 | 3567 | # Test if the assembler supports the section flag 'e' for specifying |
3568 | # an excluded section. | |
3569 | gcc_GAS_CHECK_FEATURE([.section with e], gcc_cv_as_section_has_e, | |
3570 | [2,22,51],, | |
3571 | [.section foo1,"e" | |
3572 | .byte 0,0,0,0]) | |
3573 | AC_DEFINE_UNQUOTED(HAVE_GAS_SECTION_EXCLUDE, | |
3574 | [`if test $gcc_cv_as_section_has_e = yes; then echo 1; else echo 0; fi`], | |
3575 | [Define if your assembler supports specifying the section flag e.]) | |
1f10d387 | 3576 | ;; |
3577 | esac | |
3578 | ||
6d6c1801 | 3579 | gcc_GAS_CHECK_FEATURE([filds and fists mnemonics], |
6cc62ffa | 3580 | gcc_cv_as_ix86_filds,,, |
3581 | [filds mem; fists mem],, | |
3582 | [AC_DEFINE(HAVE_AS_IX86_FILDS, 1, | |
3583 | [Define if your assembler uses filds and fists mnemonics.])]) | |
3584 | ||
3585 | gcc_GAS_CHECK_FEATURE([fildq and fistpq mnemonics], | |
3586 | gcc_cv_as_ix86_fildq,,, | |
3587 | [fildq mem; fistpq mem],, | |
3588 | [AC_DEFINE(HAVE_AS_IX86_FILDQ, 1, | |
3589 | [Define if your assembler uses fildq and fistq mnemonics.])]) | |
6d6c1801 | 3590 | |
65cce9df | 3591 | gcc_GAS_CHECK_FEATURE([cmov syntax], |
3592 | gcc_cv_as_ix86_cmov_sun_syntax,,, | |
3593 | [cmovl.l %edx, %eax],, | |
3594 | [AC_DEFINE(HAVE_AS_IX86_CMOV_SUN_SYNTAX, 1, | |
3595 | [Define if your assembler supports the Sun syntax for cmov.])]) | |
3596 | ||
97f2677a | 3597 | gcc_GAS_CHECK_FEATURE([ffreep mnemonic], |
3598 | gcc_cv_as_ix86_ffreep,,, | |
3599 | [ffreep %st(1)],, | |
3600 | [AC_DEFINE(HAVE_AS_IX86_FFREEP, 1, | |
3601 | [Define if your assembler supports the ffreep mnemonic.])]) | |
3602 | ||
05157f42 | 3603 | gcc_GAS_CHECK_FEATURE([.quad directive], |
3604 | gcc_cv_as_ix86_quad,,, | |
3605 | [.quad 0],, | |
3606 | [AC_DEFINE(HAVE_AS_IX86_QUAD, 1, | |
3607 | [Define if your assembler supports the .quad directive.])]) | |
3608 | ||
735630ef | 3609 | gcc_GAS_CHECK_FEATURE([sahf mnemonic], |
3610 | gcc_cv_as_ix86_sahf,,, | |
5a079549 | 3611 | [.code64 |
3612 | sahf],, | |
735630ef | 3613 | [AC_DEFINE(HAVE_AS_IX86_SAHF, 1, |
5a079549 | 3614 | [Define if your assembler supports the sahf mnemonic in 64bit mode.])]) |
735630ef | 3615 | |
7f738025 | 3616 | gcc_GAS_CHECK_FEATURE([hle prefixes], |
3617 | gcc_cv_as_ix86_hle,,, | |
92ff811e | 3618 | [lock xacquire cmpxchg %esi, (%ecx)],, |
7f738025 | 3619 | [AC_DEFINE(HAVE_AS_IX86_HLE, 1, |
3620 | [Define if your assembler supports HLE prefixes.])]) | |
3621 | ||
5a5324bc | 3622 | gcc_GAS_CHECK_FEATURE([swap suffix], |
3623 | gcc_cv_as_ix86_swap,,, | |
3624 | [movl.s %esp, %ebp],, | |
3625 | [AC_DEFINE(HAVE_AS_IX86_SWAP, 1, | |
3626 | [Define if your assembler supports the swap suffix.])]) | |
3627 | ||
95792072 | 3628 | gcc_GAS_CHECK_FEATURE([different section symbol subtraction], |
3629 | gcc_cv_as_ix86_diff_sect_delta,,, | |
3630 | [.section .rodata | |
3631 | .L1: | |
3632 | .long .L2-.L1 | |
3633 | .long .L3-.L1 | |
3634 | .text | |
3635 | .L3: nop | |
3636 | .L2: nop],, | |
3637 | [AC_DEFINE(HAVE_AS_IX86_DIFF_SECT_DELTA, 1, | |
3638 | [Define if your assembler supports the subtraction of symbols in different sections.])]) | |
3639 | ||
fa1a7502 | 3640 | # These two are used unconditionally by i386.[ch]; it is to be defined |
f079b855 | 3641 | # to 1 if the feature is present, 0 otherwise. |
6d6c1801 | 3642 | gcc_GAS_CHECK_FEATURE([GOTOFF in data], |
3643 | gcc_cv_as_ix86_gotoff_in_data, [2,11,0],, | |
3644 | [ .text | |
bb006a84 | 3645 | .L0: |
3646 | nop | |
3647 | .data | |
f079b855 | 3648 | .long .L0@GOTOFF]) |
3649 | AC_DEFINE_UNQUOTED(HAVE_AS_GOTOFF_IN_DATA, | |
3650 | [`if test $gcc_cv_as_ix86_gotoff_in_data = yes; then echo 1; else echo 0; fi`], | |
3651 | [Define true if the assembler supports '.long foo@GOTOFF'.]) | |
fa1a7502 | 3652 | |
3653 | gcc_GAS_CHECK_FEATURE([rep and lock prefix], | |
3654 | gcc_cv_as_ix86_rep_lock_prefix,,, | |
3655 | [rep movsl | |
948e3eac | 3656 | rep ret |
3657 | rep nop | |
3658 | rep bsf %ecx, %eax | |
3659 | rep bsr %ecx, %eax | |
44ddfc4c | 3660 | lock addl %edi, (%eax,%esi) |
66d2fcdf | 3661 | lock orl $0, (%esp)],, |
3662 | [AC_DEFINE(HAVE_AS_IX86_REP_LOCK_PREFIX, 1, | |
3663 | [Define if the assembler supports 'rep <insn>, lock <insn>'.])]) | |
fa1a7502 | 3664 | |
04a4c50e | 3665 | gcc_GAS_CHECK_FEATURE([R_386_TLS_GD_PLT reloc], |
3666 | gcc_cv_as_ix86_tlsgdplt,,, | |
31d2f7ca | 3667 | [call tls_gd@tlsgdplt], |
3668 | [if test x$gcc_cv_ld != x \ | |
3669 | && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1; then | |
3670 | gcc_cv_as_ix86_tlsgdplt=yes | |
3671 | fi | |
3672 | rm -f conftest], | |
04a4c50e | 3673 | [AC_DEFINE(HAVE_AS_IX86_TLSGDPLT, 1, |
31d2f7ca | 3674 | [Define if your assembler and linker support @tlsgdplt.])]) |
04a4c50e | 3675 | |
3676 | gcc_GAS_CHECK_FEATURE([R_386_TLS_LDM_PLT reloc], | |
3677 | gcc_cv_as_ix86_tlsldmplt,,, | |
5f031e88 | 3678 | [tls_ld: |
3679 | call tls_ld@tlsldmplt], | |
31d2f7ca | 3680 | [if test x$gcc_cv_ld != x \ |
3681 | && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1; then | |
3682 | gcc_cv_as_ix86_tlsldmplt=yes | |
3683 | fi | |
3684 | rm -f conftest], | |
04a4c50e | 3685 | [AC_DEFINE(HAVE_AS_IX86_TLSLDMPLT, 1, |
31d2f7ca | 3686 | [Define if your assembler and linker support @tlsldmplt.])]) |
04a4c50e | 3687 | |
d300bd48 | 3688 | ;; |
0cc4b4a2 | 3689 | |
3690 | ia64*-*-*) | |
6d6c1801 | 3691 | gcc_GAS_CHECK_FEATURE([ltoffx and ldxmov relocs], |
3692 | gcc_cv_as_ia64_ltoffx_ldxmov_relocs, [2,14,0],, | |
13f3d840 | 3693 | [ .text |
0cc4b4a2 | 3694 | addl r15 = @ltoffx(x#), gp |
3695 | ;; | |
13f3d840 | 3696 | ld8.mov r16 = [[r15]], x#],, |
6d6c1801 | 3697 | [AC_DEFINE(HAVE_AS_LTOFFX_LDXMOV_RELOCS, 1, |
3698 | [Define if your assembler supports ltoffx and ldxmov relocations.])]) | |
3699 | ||
0cc4b4a2 | 3700 | ;; |
6d6c1801 | 3701 | |
24880e5b | 3702 | powerpc*-*-*) |
6d6c1801 | 3703 | case $target in |
a8bb341c | 3704 | *-*-aix*) conftest_s=' .machine "pwr5" |
3705 | .csect .text[[PR]] | |
3ba829c3 | 3706 | mfcr 3,128';; |
cd0c3d24 | 3707 | *-*-darwin*) |
3708 | gcc_GAS_CHECK_FEATURE([.machine directive support], | |
3709 | gcc_cv_as_machine_directive,,, | |
3710 | [ .machine ppc7400]) | |
3711 | if test x$gcc_cv_as_machine_directive != xyes; then | |
3712 | echo "*** This target requires an assembler supporting \".machine\"" >&2 | |
3713 | echo you can get it from: ftp://gcc.gnu.org/pub/gcc/infrastructure/cctools-528.5.dmg >&2 | |
3714 | test x$build = x$target && exit 1 | |
3715 | fi | |
3716 | conftest_s=' .text | |
3ba829c3 | 3717 | mfcr r3,128';; |
ce1a729a | 3718 | *) conftest_s=' .machine power4 |
4adb2d8e | 3719 | .text |
3ba829c3 | 3720 | mfcr 3,128';; |
6d6c1801 | 3721 | esac |
6d6c1801 | 3722 | |
3723 | gcc_GAS_CHECK_FEATURE([mfcr field support], | |
3724 | gcc_cv_as_powerpc_mfcrf, [2,14,0],, | |
3725 | [$conftest_s],, | |
3726 | [AC_DEFINE(HAVE_AS_MFCRF, 1, | |
3727 | [Define if your assembler supports mfcr field.])]) | |
a8bb341c | 3728 | |
3729 | case $target in | |
3730 | *-*-aix*) conftest_s=' .machine "pwr5" | |
3731 | .csect .text[[PR]] | |
3732 | popcntb 3,3';; | |
3733 | *) conftest_s=' .machine power5 | |
3734 | .text | |
3735 | popcntb 3,3';; | |
3736 | esac | |
3737 | ||
3738 | gcc_GAS_CHECK_FEATURE([popcntb support], | |
3739 | gcc_cv_as_powerpc_popcntb, [2,17,0],, | |
3740 | [$conftest_s],, | |
3741 | [AC_DEFINE(HAVE_AS_POPCNTB, 1, | |
3742 | [Define if your assembler supports popcntb field.])]) | |
3743 | ||
a6018579 | 3744 | case $target in |
3745 | *-*-aix*) conftest_s=' .machine "pwr5x" | |
3746 | .csect .text[[PR]] | |
3747 | frin 1,1';; | |
015fab10 | 3748 | *) conftest_s=' .machine power5 |
a6018579 | 3749 | .text |
3750 | frin 1,1';; | |
3751 | esac | |
3752 | ||
3753 | gcc_GAS_CHECK_FEATURE([fp round support], | |
3754 | gcc_cv_as_powerpc_fprnd, [2,17,0],, | |
3755 | [$conftest_s],, | |
3756 | [AC_DEFINE(HAVE_AS_FPRND, 1, | |
3757 | [Define if your assembler supports fprnd.])]) | |
3758 | ||
c15fcd1f | 3759 | case $target in |
3760 | *-*-aix*) conftest_s=' .machine "pwr6" | |
3761 | .csect .text[[PR]] | |
3762 | mffgpr 1,3';; | |
3763 | *) conftest_s=' .machine power6 | |
3764 | .text | |
3765 | mffgpr 1,3';; | |
3766 | esac | |
3767 | ||
3768 | gcc_GAS_CHECK_FEATURE([move fp gpr support], | |
9c878e1b | 3769 | gcc_cv_as_powerpc_mfpgpr, [2,19,2],, |
c15fcd1f | 3770 | [$conftest_s],, |
3771 | [AC_DEFINE(HAVE_AS_MFPGPR, 1, | |
3772 | [Define if your assembler supports mffgpr and mftgpr.])]) | |
3773 | ||
197f58fa | 3774 | case $target in |
3775 | *-*-aix*) conftest_s=' .csect .text[[PR]] | |
3776 | LCF..0: | |
3777 | addis 11,30,_GLOBAL_OFFSET_TABLE_-LCF..0@ha';; | |
3778 | *-*-darwin*) | |
3779 | conftest_s=' .text | |
3780 | LCF0: | |
3781 | addis r11,r30,_GLOBAL_OFFSET_TABLE_-LCF0@ha';; | |
3782 | *) conftest_s=' .text | |
3783 | .LCF0: | |
3784 | addis 11,30,_GLOBAL_OFFSET_TABLE_-.LCF0@ha';; | |
3785 | esac | |
3786 | ||
34fe62ca | 3787 | gcc_GAS_CHECK_FEATURE([rel16 relocs], |
3788 | gcc_cv_as_powerpc_rel16, [2,17,0], -a32, | |
3789 | [$conftest_s],, | |
3790 | [AC_DEFINE(HAVE_AS_REL16, 1, | |
3791 | [Define if your assembler supports R_PPC_REL16 relocs.])]) | |
3792 | ||
3230b740 | 3793 | case $target in |
3794 | *-*-aix*) conftest_s=' .machine "pwr6" | |
3795 | .csect .text[[PR]] | |
3796 | cmpb 3,4,5';; | |
3797 | *) conftest_s=' .machine power6 | |
3798 | .text | |
3799 | cmpb 3,4,5';; | |
3800 | esac | |
3801 | ||
3802 | gcc_GAS_CHECK_FEATURE([compare bytes support], | |
9c878e1b | 3803 | gcc_cv_as_powerpc_cmpb, [2,19,2], -a32, |
3230b740 | 3804 | [$conftest_s],, |
3805 | [AC_DEFINE(HAVE_AS_CMPB, 1, | |
3806 | [Define if your assembler supports cmpb.])]) | |
3807 | ||
3808 | case $target in | |
3809 | *-*-aix*) conftest_s=' .machine "pwr6" | |
3810 | .csect .text[[PR]] | |
88f38265 | 3811 | dadd 1,2,3';; |
3230b740 | 3812 | *) conftest_s=' .machine power6 |
3813 | .text | |
88f38265 | 3814 | dadd 1,2,3';; |
3230b740 | 3815 | esac |
3816 | ||
3817 | gcc_GAS_CHECK_FEATURE([decimal float support], | |
9c878e1b | 3818 | gcc_cv_as_powerpc_dfp, [2,19,2], -a32, |
3230b740 | 3819 | [$conftest_s],, |
3820 | [AC_DEFINE(HAVE_AS_DFP, 1, | |
3821 | [Define if your assembler supports DFP instructions.])]) | |
6c7d78e4 | 3822 | |
94f7a54b | 3823 | case $target in |
3824 | *-*-aix*) conftest_s=' .machine "pwr7" | |
3825 | .csect .text[[PR]] | |
3826 | lxvd2x 1,2,3';; | |
3827 | *) conftest_s=' .machine power7 | |
3828 | .text | |
3829 | lxvd2x 1,2,3';; | |
3830 | esac | |
3831 | ||
3832 | gcc_GAS_CHECK_FEATURE([vector-scalar support], | |
9c878e1b | 3833 | gcc_cv_as_powerpc_vsx, [2,19,2], -a32, |
94f7a54b | 3834 | [$conftest_s],, |
3835 | [AC_DEFINE(HAVE_AS_VSX, 1, | |
3836 | [Define if your assembler supports VSX instructions.])]) | |
3837 | ||
9c878e1b | 3838 | case $target in |
3839 | *-*-aix*) conftest_s=' .machine "pwr7" | |
3840 | .csect .text[[PR]] | |
3841 | popcntd 3,3';; | |
3842 | *) conftest_s=' .machine power7 | |
3843 | .text | |
3844 | popcntd 3,3';; | |
3845 | esac | |
3846 | ||
3847 | gcc_GAS_CHECK_FEATURE([popcntd support], | |
3848 | gcc_cv_as_powerpc_popcntd, [2,19,2], -a32, | |
3849 | [$conftest_s],, | |
3850 | [AC_DEFINE(HAVE_AS_POPCNTD, 1, | |
3851 | [Define if your assembler supports POPCNTD instructions.])]) | |
3852 | ||
3853 | case $target in | |
3854 | *-*-aix*) conftest_s=' .csect .text[[PR]] | |
3855 | lwsync';; | |
3856 | *) conftest_s=' .text | |
3857 | lwsync';; | |
3858 | esac | |
3859 | ||
3860 | gcc_GAS_CHECK_FEATURE([lwsync support], | |
3861 | gcc_cv_as_powerpc_lwsync, [2,19,2], -a32, | |
3862 | [$conftest_s],, | |
3863 | [AC_DEFINE(HAVE_AS_LWSYNC, 1, | |
3864 | [Define if your assembler supports LWSYNC instructions.])]) | |
3865 | ||
ed08558a | 3866 | case $target in |
3867 | *-*-aix*) conftest_s=' .machine "476" | |
3868 | .csect .text[[PR]] | |
3869 | dci 0';; | |
3870 | *) conftest_s=' .machine "476" | |
3871 | .text | |
3872 | dci 0';; | |
3873 | esac | |
3874 | ||
3875 | gcc_GAS_CHECK_FEATURE([data cache invalidate support], | |
3876 | gcc_cv_as_powerpc_dci, [9,99,0], -a32, | |
3877 | [$conftest_s],, | |
3878 | [AC_DEFINE(HAVE_AS_DCI, 1, | |
3879 | [Define if your assembler supports the DCI/ICI instructions.])]) | |
3880 | ||
6c7d78e4 | 3881 | gcc_GAS_CHECK_FEATURE([.gnu_attribute support], |
3882 | gcc_cv_as_powerpc_gnu_attribute, [2,18,0],, | |
3883 | [.gnu_attribute 4,1],, | |
3884 | [AC_DEFINE(HAVE_AS_GNU_ATTRIBUTE, 1, | |
3885 | [Define if your assembler supports .gnu_attribute.])]) | |
d46ea878 | 3886 | |
3887 | gcc_GAS_CHECK_FEATURE([tls marker support], | |
3888 | gcc_cv_as_powerpc_tls_markers, [2,20,0],, | |
3889 | [ bl __tls_get_addr(x@tlsgd)],, | |
3890 | [AC_DEFINE(HAVE_AS_TLS_MARKERS, 1, | |
3891 | [Define if your assembler supports arg info for __tls_get_addr.])]) | |
1a9c54a3 | 3892 | |
3893 | case $target in | |
3894 | *-*-aix*) | |
3895 | gcc_GAS_CHECK_FEATURE([.ref support], | |
3896 | gcc_cv_as_aix_ref, [2.21.0],, | |
3897 | [ .csect stuff[[rw]] | |
3898 | stuff: | |
3899 | .long 1 | |
3900 | .extern sym | |
3901 | .ref sym | |
3902 | ],, | |
3903 | [AC_DEFINE(HAVE_AS_REF, 1, | |
3904 | [Define if your assembler supports .ref])]) | |
3905 | ;; | |
3906 | esac | |
24880e5b | 3907 | ;; |
d6723bcd | 3908 | |
6d6c1801 | 3909 | mips*-*-*) |
3910 | gcc_GAS_CHECK_FEATURE([explicit relocation support], | |
3911 | gcc_cv_as_mips_explicit_relocs, [2,14,0],, | |
3912 | [ lw $4,%gp_rel(foo)($4)],, | |
3913 | [if test x$target_cpu_default = x | |
3914 | then target_cpu_default=MASK_EXPLICIT_RELOCS | |
3915 | else target_cpu_default="($target_cpu_default)|MASK_EXPLICIT_RELOCS" | |
3916 | fi]) | |
f863d3e3 | 3917 | gcc_GAS_CHECK_FEATURE([-mno-shared support], |
3918 | gcc_cv_as_mips_no_shared, [2,16,0], [-mno-shared], [nop],, | |
3919 | [AC_DEFINE(HAVE_AS_NO_SHARED, 1, | |
3920 | [Define if the assembler understands -mno-shared.])]) | |
0fd6d684 | 3921 | |
3922 | gcc_GAS_CHECK_FEATURE([.gnu_attribute support], | |
3923 | gcc_cv_as_mips_gnu_attribute, [2,18,0],, | |
3924 | [.gnu_attribute 4,1],, | |
3925 | [AC_DEFINE(HAVE_AS_GNU_ATTRIBUTE, 1, | |
3926 | [Define if your assembler supports .gnu_attribute.])]) | |
c9eabb6d | 3927 | |
3928 | gcc_GAS_CHECK_FEATURE([.dtprelword support], | |
3929 | gcc_cv_as_mips_dtprelword, [2,18,0],, | |
3930 | [.section .tdata,"awT",@progbits | |
3931 | x: | |
3932 | .word 2 | |
3933 | .text | |
3934 | .dtprelword x+0x8000],, | |
3935 | [AC_DEFINE(HAVE_AS_DTPRELWORD, 1, | |
3936 | [Define if your assembler supports .dtprelword.])]) | |
ca30e0b9 | 3937 | |
3e60fdb7 | 3938 | gcc_GAS_CHECK_FEATURE([DSPR1 mult with four accumulators support], |
3939 | gcc_cv_as_mips_dspr1_mult,,, | |
3940 | [ .set mips32r2 | |
3941 | .set nodspr2 | |
3942 | .set dsp | |
3943 | madd $ac3,$4,$5 | |
3944 | maddu $ac3,$4,$5 | |
3945 | msub $ac3,$4,$5 | |
3946 | msubu $ac3,$4,$5 | |
3947 | mult $ac3,$4,$5 | |
3948 | multu $ac3,$4,$5],, | |
3949 | [AC_DEFINE(HAVE_AS_DSPR1_MULT, 1, | |
3950 | [Define if your assembler supports DSPR1 mult.])]) | |
3951 | ||
ca30e0b9 | 3952 | AC_MSG_CHECKING(assembler and linker for explicit JALR relocation) |
3953 | gcc_cv_as_ld_jalr_reloc=no | |
3954 | if test $gcc_cv_as_mips_explicit_relocs = yes; then | |
3955 | if test $in_tree_ld = yes ; then | |
3956 | if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 20 -o "$gcc_cv_gld_major_version" -gt 2 \ | |
3957 | && test $in_tree_ld_is_elf = yes; then | |
3958 | gcc_cv_as_ld_jalr_reloc=yes | |
3959 | fi | |
3960 | elif test x$gcc_cv_as != x -a x$gcc_cv_ld != x -a x$gcc_cv_objdump != x; then | |
3961 | echo ' .ent x' > conftest.s | |
3962 | echo 'x: ld $2,%got_disp(y)($3)' >> conftest.s | |
3963 | echo ' ld $25,%call16(y)($28)' >> conftest.s | |
3964 | echo ' .reloc 1f,R_MIPS_JALR,y' >> conftest.s | |
3965 | echo '1: jalr $25' >> conftest.s | |
3966 | echo ' .reloc 1f,R_MIPS_JALR,x' >> conftest.s | |
3967 | echo '1: jalr $25' >> conftest.s | |
3968 | echo ' .end x' >> conftest.s | |
3969 | if $gcc_cv_as -o conftest.o conftest.s >/dev/null 2>&AS_MESSAGE_LOG_FD \ | |
3970 | && $gcc_cv_ld -shared -o conftest.so conftest.o >/dev/null 2>&AS_MESSAGE_LOG_FD; then | |
b1383b01 | 3971 | if $gcc_cv_objdump -d conftest.so | grep jalr >/dev/null 2>&1 \ |
3972 | && $gcc_cv_objdump -d conftest.so | grep "bal.*<x>" >/dev/null 2>&1; then | |
ca30e0b9 | 3973 | gcc_cv_as_ld_jalr_reloc=yes |
3974 | fi | |
3975 | fi | |
3976 | rm -f conftest.* | |
3977 | fi | |
3978 | fi | |
3979 | if test $gcc_cv_as_ld_jalr_reloc = yes; then | |
3980 | if test x$target_cpu_default = x; then | |
3981 | target_cpu_default=MASK_RELAX_PIC_CALLS | |
3982 | else | |
3983 | target_cpu_default="($target_cpu_default)|MASK_RELAX_PIC_CALLS" | |
3984 | fi | |
3985 | fi | |
3986 | AC_MSG_RESULT($gcc_cv_as_ld_jalr_reloc) | |
c4cf26ad | 3987 | |
3988 | AC_CACHE_CHECK([linker for .eh_frame personality relaxation], | |
3989 | [gcc_cv_ld_mips_personality_relaxation], | |
3990 | [gcc_cv_ld_mips_personality_relaxation=no | |
3991 | if test $in_tree_ld = yes ; then | |
3992 | if test "$gcc_cv_gld_major_version" -eq 2 \ | |
3993 | -a "$gcc_cv_gld_minor_version" -ge 21 \ | |
3994 | -o "$gcc_cv_gld_major_version" -gt 2; then | |
3995 | gcc_cv_ld_mips_personality_relaxation=yes | |
3996 | fi | |
3997 | elif test x$gcc_cv_as != x \ | |
3998 | -a x$gcc_cv_ld != x \ | |
3999 | -a x$gcc_cv_readelf != x ; then | |
4000 | cat > conftest.s <<EOF | |
4001 | .cfi_startproc | |
4002 | .cfi_personality 0x80,indirect_ptr | |
4003 | .ent test | |
4004 | test: | |
4005 | nop | |
4006 | .end test | |
4007 | .cfi_endproc | |
4008 | ||
4009 | .section .data,"aw",@progbits | |
4010 | indirect_ptr: | |
4011 | .dc.a personality | |
4012 | EOF | |
4013 | if $gcc_cv_as -KPIC -o conftest.o conftest.s > /dev/null 2>&1 \ | |
4014 | && $gcc_cv_ld -o conftest conftest.o -shared > /dev/null 2>&1; then | |
4015 | if $gcc_cv_readelf -d conftest 2>&1 \ | |
4016 | | grep TEXTREL > /dev/null 2>&1; then | |
4017 | : | |
4018 | elif $gcc_cv_readelf --relocs conftest 2>&1 \ | |
4019 | | grep 'R_MIPS_REL32 *$' > /dev/null 2>&1; then | |
4020 | : | |
4021 | else | |
4022 | gcc_cv_ld_mips_personality_relaxation=yes | |
4023 | fi | |
4024 | fi | |
4025 | fi | |
4026 | rm -f conftest.s conftest.o conftest]) | |
4027 | if test x$gcc_cv_ld_mips_personality_relaxation = xyes; then | |
4028 | AC_DEFINE(HAVE_LD_PERSONALITY_RELAXATION, 1, | |
4029 | [Define if your linker can relax absolute .eh_frame personality | |
4030 | pointers into PC-relative form.]) | |
4031 | fi | |
c8aeaa6d | 4032 | ;; |
4033 | esac | |
4034 | ||
4035 | # Mips and HP-UX need the GNU assembler. | |
4036 | # Linux on IA64 might be able to use the Intel assembler. | |
6d6c1801 | 4037 | |
c8aeaa6d | 4038 | case "$target" in |
4039 | mips*-*-* | *-*-hpux* ) | |
6e930e6c | 4040 | if test x$gas_flag = xyes \ |
4041 | || test x"$host" != x"$build" \ | |
4042 | || test ! -x "$gcc_cv_as" \ | |
4043 | || "$gcc_cv_as" -v < /dev/null 2>&1 | grep GNU > /dev/null; then | |
4044 | : | |
4045 | else | |
4046 | echo "*** This configuration requires the GNU assembler" >&2 | |
4047 | exit 1 | |
4048 | fi | |
6d6c1801 | 4049 | ;; |
4050 | esac | |
c8aeaa6d | 4051 | |
142cf471 | 4052 | # ??? Not all targets support dwarf2 debug_line, even within a version |
4053 | # of gas. Moreover, we need to emit a valid instruction to trigger any | |
4054 | # info to the output file. So, as supported targets are added to gas 2.11, | |
4055 | # add some instruction here to (also) show we expect this might work. | |
4056 | # ??? Once 2.11 is released, probably need to add first known working | |
4057 | # version to the per-target configury. | |
5b80c8e4 | 4058 | case "$cpu_type" in |
4059 | alpha | arm | avr | bfin | cris | i386 | m32c | m68k | microblaze | mips \ | |
7ce78e23 | 4060 | | pa | rs6000 | score | sparc | spu | tilegx | tilepro | xstormy16 | xtensa) |
142cf471 | 4061 | insn="nop" |
4062 | ;; | |
5b80c8e4 | 4063 | ia64 | s390) |
142cf471 | 4064 | insn="nop 0" |
4065 | ;; | |
5b80c8e4 | 4066 | mmix) |
482662fd | 4067 | insn="swym 0" |
4068 | ;; | |
6d6c1801 | 4069 | esac |
4070 | if test x"$insn" != x; then | |
4071 | conftest_s="\ | |
4072 | .file 1 \"conftest.s\" | |
4073 | .loc 1 3 0 | |
4074 | $insn" | |
4075 | gcc_GAS_CHECK_FEATURE([dwarf2 debug_line support], | |
4076 | gcc_cv_as_dwarf2_debug_line, | |
4077 | [elf,2,11,0],, [$conftest_s], | |
1b33a244 | 4078 | [if test x$gcc_cv_objdump != x \ |
4079 | && $gcc_cv_objdump -h conftest.o 2> /dev/null \ | |
4080 | | grep debug_line > /dev/null 2>&1; then | |
6d6c1801 | 4081 | gcc_cv_as_dwarf2_debug_line=yes |
4082 | fi]) | |
4083 | ||
4084 | # The .debug_line file table must be in the exact order that | |
4085 | # we specified the files, since these indices are also used | |
4086 | # by DW_AT_decl_file. Approximate this test by testing if | |
4087 | # the assembler bitches if the same index is assigned twice. | |
4088 | gcc_GAS_CHECK_FEATURE([buggy dwarf2 .file directive], | |
4089 | gcc_cv_as_dwarf2_file_buggy,,, | |
4090 | [ .file 1 "foo.s" | |
4091 | .file 1 "bar.s"]) | |
4092 | ||
4093 | if test $gcc_cv_as_dwarf2_debug_line = yes \ | |
4094 | && test $gcc_cv_as_dwarf2_file_buggy = no; then | |
142cf471 | 4095 | AC_DEFINE(HAVE_AS_DWARF2_DEBUG_LINE, 1, |
6d6c1801 | 4096 | [Define if your assembler supports dwarf2 .file/.loc directives, |
4a82352a | 4097 | and preserves file table indices exactly as given.]) |
6d6c1801 | 4098 | fi |
4099 | ||
4100 | gcc_GAS_CHECK_FEATURE([--gdwarf2 option], | |
4101 | gcc_cv_as_gdwarf2_flag, | |
4102 | [elf,2,11,0], [--gdwarf2], [$insn],, | |
4103 | [AC_DEFINE(HAVE_AS_GDWARF2_DEBUG_FLAG, 1, | |
4104 | [Define if your assembler supports the --gdwarf2 option.])]) | |
4105 | ||
4106 | gcc_GAS_CHECK_FEATURE([--gstabs option], | |
4107 | gcc_cv_as_gstabs_flag, | |
4108 | [elf,2,11,0], [--gstabs], [$insn], | |
4109 | [# The native Solaris 9/Intel assembler doesn't understand --gstabs | |
4110 | # and warns about it, but still exits successfully. So check for | |
4111 | # this. | |
4112 | if AC_TRY_COMMAND([$gcc_cv_as --gstabs -o conftest.o conftest.s 2>&1 | grep -i warning > /dev/null]) | |
4113 | then : | |
4114 | else gcc_cv_as_gstabs_flag=yes | |
4115 | fi], | |
4116 | [AC_DEFINE(HAVE_AS_GSTABS_DEBUG_FLAG, 1, | |
4117 | [Define if your assembler supports the --gstabs option.])]) | |
5f1f2de5 | 4118 | |
4119 | gcc_GAS_CHECK_FEATURE([--debug-prefix-map option], | |
4120 | gcc_cv_as_debug_prefix_map_flag, | |
22ff3bfb | 4121 | [2,18,0], [--debug-prefix-map /a=/b], [$insn],, |
5f1f2de5 | 4122 | [AC_DEFINE(HAVE_AS_DEBUG_PREFIX_MAP, 1, |
4123 | [Define if your assembler supports the --debug-prefix-map option.])]) | |
142cf471 | 4124 | fi |
1a6f9700 | 4125 | |
a65d7dd0 | 4126 | gcc_GAS_CHECK_FEATURE([.lcomm with alignment], gcc_cv_as_lcomm_with_alignment, |
4127 | ,, | |
4128 | [.lcomm bar,4,16],, | |
4129 | [AC_DEFINE(HAVE_GAS_LCOMM_WITH_ALIGNMENT, 1, | |
4130 | [Define if your assembler supports .lcomm with an alignment field.])]) | |
4131 | ||
924907a3 | 4132 | AC_ARG_ENABLE(gnu-unique-object, |
d9d975ae | 4133 | [AS_HELP_STRING([--enable-gnu-unique-object], |
4134 | [enable the use of the @gnu_unique_object ELF extension on glibc systems])], | |
924907a3 | 4135 | [case $enable_gnu_unique_object in |
4136 | yes | no) ;; | |
4137 | *) AC_MSG_ERROR(['$enable_gnu_unique_object' is an invalid value for --enable-gnu-unique-object. | |
4138 | Valid choices are 'yes' and 'no'.]) ;; | |
4139 | esac], | |
4140 | [gcc_GAS_CHECK_FEATURE([gnu_unique_object], gcc_cv_as_gnu_unique_object, | |
4141 | [elf,2,19,52],, | |
4eb5a747 | 4142 | [.type foo, '$target_type_format_char'gnu_unique_object],, |
4143 | # We need to unquote above to to use the definition from config.gcc. | |
924907a3 | 4144 | # Also check for ld.so support, i.e. glibc 2.11 or higher. |
a6b57da2 | 4145 | [[if test x$host = x$build -a x$host = x$target && |
ecaf5e86 | 4146 | ldd --version 2>/dev/null && |
14940535 | 4147 | glibcver=`ldd --version 2>/dev/null | sed 's/.* //;q'`; then |
4148 | glibcmajor=`expr "$glibcver" : "\([0-9]*\)"` | |
4149 | glibcminor=`expr "$glibcver" : "[2-9]*\.\([0-9]*\)"` | |
924907a3 | 4150 | glibcnum=`expr $glibcmajor \* 1000 + $glibcminor` |
4151 | if test "$glibcnum" -ge 2011 ; then | |
5219ed35 | 4152 | enable_gnu_unique_object=yes |
924907a3 | 4153 | fi |
a6b57da2 | 4154 | fi]])]) |
924907a3 | 4155 | if test x$enable_gnu_unique_object = xyes; then |
4156 | AC_DEFINE(HAVE_GAS_GNU_UNIQUE_OBJECT, 1, | |
4157 | [Define if your assembler supports @gnu_unique_object.]) | |
4158 | fi | |
4159 | ||
a8971681 | 4160 | AC_CACHE_CHECK([assembler for tolerance to line number 0], |
4161 | [gcc_cv_as_line_zero], | |
4162 | [gcc_cv_as_line_zero=no | |
4163 | if test $in_tree_gas = yes; then | |
95cd4953 | 4164 | gcc_GAS_VERSION_GTE_IFELSE(2, 16, 91, [gcc_cv_as_line_zero=yes]) |
a8971681 | 4165 | elif test "x$gcc_cv_as" != x; then |
4166 | { echo '# 1 "test.s" 1'; echo '# 0 "" 2'; } > conftest.s | |
4167 | if AC_TRY_COMMAND([$gcc_cv_as -o conftest.o conftest.s >&AS_MESSAGE_LOG_FD 2>conftest.out]) && | |
4168 | test "x`cat conftest.out`" = x | |
4169 | then | |
4170 | gcc_cv_as_line_zero=yes | |
4171 | else | |
4172 | echo "configure: failed program was" >&AS_MESSAGE_LOG_FD | |
4173 | cat conftest.s >&AS_MESSAGE_LOG_FD | |
4174 | echo "configure: error output was" >&AS_MESSAGE_LOG_FD | |
4175 | cat conftest.out >&AS_MESSAGE_LOG_FD | |
4176 | fi | |
4177 | rm -f conftest.o conftest.s conftest.out | |
4178 | fi]) | |
4179 | if test "x$gcc_cv_as_line_zero" = xyes; then | |
4180 | AC_DEFINE([HAVE_AS_LINE_ZERO], 1, | |
4181 | [Define if the assembler won't complain about a line such as # 0 "" 2.]) | |
4182 | fi | |
4183 | ||
0d6378a9 | 4184 | AC_MSG_CHECKING(linker PT_GNU_EH_FRAME support) |
4185 | gcc_cv_ld_eh_frame_hdr=no | |
7349ace9 | 4186 | if test $in_tree_ld = yes ; then |
0dac358a | 4187 | if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 12 -o "$gcc_cv_gld_major_version" -gt 2 \ |
4188 | && test $in_tree_ld_is_elf = yes; then | |
0d6378a9 | 4189 | gcc_cv_ld_eh_frame_hdr=yes |
4190 | fi | |
4191 | elif test x$gcc_cv_ld != x; then | |
bdd793b2 | 4192 | if echo "$ld_ver" | grep GNU > /dev/null; then |
4193 | # Check if linker supports --eh-frame-hdr option | |
4194 | if $gcc_cv_ld --help 2>/dev/null | grep eh-frame-hdr > /dev/null; then | |
4195 | gcc_cv_ld_eh_frame_hdr=yes | |
4196 | fi | |
4197 | else | |
4198 | case "$target" in | |
4199 | *-*-solaris2*) | |
839ff241 | 4200 | # Sun ld has various bugs in .eh_frame_hdr support before version 1.2251. |
4201 | if test "$ld_vers_major" -gt 1 || test "$ld_vers_minor" -ge 2251; then | |
bdd793b2 | 4202 | gcc_cv_ld_eh_frame_hdr=yes |
4203 | fi | |
4204 | ;; | |
4205 | esac | |
4206 | fi | |
0d6378a9 | 4207 | fi |
fcd42b1e | 4208 | GCC_TARGET_TEMPLATE([HAVE_LD_EH_FRAME_HDR]) |
0d6378a9 | 4209 | if test x"$gcc_cv_ld_eh_frame_hdr" = xyes; then |
4210 | AC_DEFINE(HAVE_LD_EH_FRAME_HDR, 1, | |
bdd793b2 | 4211 | [Define if your linker supports .eh_frame_hdr.]) |
0d6378a9 | 4212 | fi |
4213 | AC_MSG_RESULT($gcc_cv_ld_eh_frame_hdr) | |
4214 | ||
c3ce66b0 | 4215 | AC_MSG_CHECKING(linker position independent executable support) |
4216 | gcc_cv_ld_pie=no | |
4217 | if test $in_tree_ld = yes ; then | |
0dac358a | 4218 | if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 15 -o "$gcc_cv_gld_major_version" -gt 2 \ |
4219 | && test $in_tree_ld_is_elf = yes; then | |
c3ce66b0 | 4220 | gcc_cv_ld_pie=yes |
4221 | fi | |
4222 | elif test x$gcc_cv_ld != x; then | |
4223 | # Check if linker supports -pie option | |
4224 | if $gcc_cv_ld --help 2>/dev/null | grep -- -pie > /dev/null; then | |
4225 | gcc_cv_ld_pie=yes | |
4226 | fi | |
4227 | fi | |
4228 | if test x"$gcc_cv_ld_pie" = xyes; then | |
4229 | AC_DEFINE(HAVE_LD_PIE, 1, | |
4230 | [Define if your linker supports -pie option.]) | |
4231 | fi | |
4232 | AC_MSG_RESULT($gcc_cv_ld_pie) | |
4233 | ||
0a011112 | 4234 | AC_MSG_CHECKING(linker EH-compatible garbage collection of sections) |
4235 | gcc_cv_ld_eh_gc_sections=no | |
4236 | if test $in_tree_ld = yes ; then | |
4237 | if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 17 -o "$gcc_cv_gld_major_version" -gt 2 \ | |
4238 | && test $in_tree_ld_is_elf = yes; then | |
4239 | gcc_cv_ld_eh_gc_sections=yes | |
4240 | fi | |
4241 | elif test x$gcc_cv_as != x -a x$gcc_cv_ld != x -a x$gcc_cv_objdump != x ; then | |
4242 | cat > conftest.s <<EOF | |
4243 | .section .text | |
4244 | .globl _start | |
4245 | .type _start, @function | |
4246 | _start: | |
4247 | .long foo | |
4248 | .size _start, .-_start | |
4249 | .section .text.foo,"ax",@progbits | |
4250 | .type foo, @function | |
4251 | foo: | |
4252 | .long 0 | |
4253 | .size foo, .-foo | |
4254 | .section .gcc_except_table.foo,"a",@progbits | |
4255 | .L0: | |
4256 | .long 0 | |
4257 | .section .eh_frame,"a",@progbits | |
4258 | .long .L0 | |
4259 | EOF | |
4260 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
4261 | if $gcc_cv_ld -o conftest conftest.o --entry=_start --gc-sections 2>&1 \ | |
4262 | | grep "gc-sections option ignored" > /dev/null; then | |
4263 | gcc_cv_ld_eh_gc_sections=no | |
a6898883 | 4264 | elif $gcc_cv_objdump -h conftest 2> /dev/null \ |
4265 | | grep gcc_except_table > /dev/null; then | |
0a011112 | 4266 | gcc_cv_ld_eh_gc_sections=yes |
c8aaf000 | 4267 | # If no COMDAT groups, the compiler will emit .gnu.linkonce.t. sections. |
4268 | if test x$gcc_cv_as_comdat_group != xyes; then | |
4269 | gcc_cv_ld_eh_gc_sections=no | |
4270 | cat > conftest.s <<EOF | |
4271 | .section .text | |
4272 | .globl _start | |
4273 | .type _start, @function | |
4274 | _start: | |
4275 | .long foo | |
4276 | .size _start, .-_start | |
4277 | .section .gnu.linkonce.t.foo,"ax",@progbits | |
4278 | .type foo, @function | |
4279 | foo: | |
4280 | .long 0 | |
4281 | .size foo, .-foo | |
4282 | .section .gcc_except_table.foo,"a",@progbits | |
4283 | .L0: | |
4284 | .long 0 | |
4285 | .section .eh_frame,"a",@progbits | |
4286 | .long .L0 | |
4287 | EOF | |
4288 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
4289 | if $gcc_cv_ld -o conftest conftest.o --entry=_start --gc-sections 2>&1 \ | |
4290 | | grep "gc-sections option ignored" > /dev/null; then | |
4291 | gcc_cv_ld_eh_gc_sections=no | |
a6898883 | 4292 | elif $gcc_cv_objdump -h conftest 2> /dev/null \ |
4293 | | grep gcc_except_table > /dev/null; then | |
c8aaf000 | 4294 | gcc_cv_ld_eh_gc_sections=yes |
4295 | fi | |
4296 | fi | |
4297 | fi | |
0a011112 | 4298 | fi |
4299 | fi | |
4300 | rm -f conftest.s conftest.o conftest | |
4301 | fi | |
c8aaf000 | 4302 | case "$target" in |
4303 | hppa*-*-linux*) | |
4304 | # ??? This apparently exposes a binutils bug with PC-relative relocations. | |
4305 | gcc_cv_ld_eh_gc_sections=no | |
4306 | ;; | |
4307 | esac | |
0a011112 | 4308 | if test x$gcc_cv_ld_eh_gc_sections = xyes; then |
4309 | AC_DEFINE(HAVE_LD_EH_GC_SECTIONS, 1, | |
4310 | [Define if your linker supports garbage collection of | |
4311 | sections in presence of EH frames.]) | |
4312 | fi | |
4313 | AC_MSG_RESULT($gcc_cv_ld_eh_gc_sections) | |
4314 | ||
34edf61b | 4315 | AC_MSG_CHECKING(linker EH garbage collection of sections bug) |
4316 | gcc_cv_ld_eh_gc_sections_bug=no | |
4317 | if test $in_tree_ld = yes ; then | |
4318 | if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -lt 19 -o "$gcc_cv_gld_major_version" -lt 2 \ | |
4319 | && test $in_tree_ld_is_elf = yes; then | |
4320 | gcc_cv_ld_eh_gc_sections_bug=yes | |
4321 | fi | |
4322 | elif test x$gcc_cv_as != x -a x$gcc_cv_ld != x -a x$gcc_cv_objdump != x -a x$gcc_cv_as_comdat_group = xyes; then | |
4323 | gcc_cv_ld_eh_gc_sections_bug=yes | |
4324 | cat > conftest.s <<EOF | |
4325 | .section .text | |
4326 | .globl _start | |
4327 | .type _start, @function | |
4328 | _start: | |
4329 | .long foo | |
4330 | .size _start, .-_start | |
4331 | .section .text.startup.foo,"ax",@progbits | |
4332 | .type foo, @function | |
4333 | foo: | |
4334 | .long 0 | |
4335 | .size foo, .-foo | |
4336 | .section .gcc_except_table.foo,"a",@progbits | |
4337 | .L0: | |
4338 | .long 0 | |
4339 | .section .eh_frame,"a",@progbits | |
4340 | .long .L0 | |
4341 | EOF | |
4342 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
4343 | if $gcc_cv_ld -o conftest conftest.o --entry=_start --gc-sections 2>&1 \ | |
4344 | | grep "gc-sections option ignored" > /dev/null; then | |
4345 | : | |
4346 | elif $gcc_cv_objdump -h conftest 2> /dev/null \ | |
4347 | | grep gcc_except_table > /dev/null; then | |
4348 | gcc_cv_ld_eh_gc_sections_bug=no | |
4349 | fi | |
4350 | fi | |
4351 | rm -f conftest.s conftest.o conftest | |
4352 | fi | |
4353 | if test x$gcc_cv_ld_eh_gc_sections_bug = xyes; then | |
4354 | AC_DEFINE(HAVE_LD_EH_GC_SECTIONS_BUG, 1, | |
4355 | [Define if your linker has buggy garbage collection of | |
4356 | sections support when .text.startup.foo like sections are used.]) | |
4357 | fi | |
4358 | AC_MSG_RESULT($gcc_cv_ld_eh_gc_sections_bug) | |
4359 | ||
d8a2ca58 | 4360 | # -------- |
4361 | # UNSORTED | |
4362 | # -------- | |
4363 | ||
11a4b5d2 | 4364 | AC_CACHE_CHECK(linker --as-needed support, |
4365 | gcc_cv_ld_as_needed, | |
4366 | [gcc_cv_ld_as_needed=no | |
6a40149e | 4367 | if test $in_tree_ld = yes ; then |
4368 | if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 16 -o "$gcc_cv_gld_major_version" -gt 2 \ | |
4369 | && test $in_tree_ld_is_elf = yes; then | |
4370 | gcc_cv_ld_as_needed=yes | |
4371 | fi | |
4372 | elif test x$gcc_cv_ld != x; then | |
4373 | # Check if linker supports --as-needed and --no-as-needed options | |
4374 | if $gcc_cv_ld --help 2>/dev/null | grep as-needed > /dev/null; then | |
4375 | gcc_cv_ld_as_needed=yes | |
4376 | fi | |
4377 | fi | |
11a4b5d2 | 4378 | ]) |
6a40149e | 4379 | if test x"$gcc_cv_ld_as_needed" = xyes; then |
4380 | AC_DEFINE(HAVE_LD_AS_NEEDED, 1, | |
4381 | [Define if your linker supports --as-needed and --no-as-needed options.]) | |
4382 | fi | |
6a40149e | 4383 | |
4de3052c | 4384 | case "$target:$tm_file" in |
2ac000bb | 4385 | powerpc64-*-freebsd* | powerpc64*-*-linux* | powerpc*-*-linux*rs6000/biarch64.h*) |
4386 | case "$target" in | |
4387 | *-*-linux*) | |
4388 | emul_name="-melf64ppc" | |
4389 | ;; | |
4390 | *-*-freebsd*) | |
4391 | emul_name="-melf64ppc_fbsd" | |
4392 | ;; | |
4393 | esac | |
66ebfa67 | 4394 | AC_CACHE_CHECK(linker support for omitting dot symbols, |
4395 | gcc_cv_ld_no_dot_syms, | |
4396 | [gcc_cv_ld_no_dot_syms=no | |
4397 | if test $in_tree_ld = yes ; then | |
4398 | if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 16 -o "$gcc_cv_gld_major_version" -gt 2; then | |
4399 | gcc_cv_ld_no_dot_syms=yes | |
4400 | fi | |
4401 | elif test x$gcc_cv_as != x -a x$gcc_cv_ld != x ; then | |
4402 | cat > conftest1.s <<EOF | |
4403 | .text | |
4404 | bl .foo | |
4405 | EOF | |
4406 | cat > conftest2.s <<EOF | |
4407 | .section ".opd","aw" | |
4408 | .align 3 | |
4409 | .globl foo | |
4410 | .type foo,@function | |
4411 | foo: | |
4412 | .quad .LEfoo,.TOC.@tocbase,0 | |
4413 | .text | |
4414 | .LEfoo: | |
4415 | blr | |
4416 | .size foo,.-.LEfoo | |
4417 | EOF | |
4418 | if $gcc_cv_as -a64 -o conftest1.o conftest1.s > /dev/null 2>&1 \ | |
4419 | && $gcc_cv_as -a64 -o conftest2.o conftest2.s > /dev/null 2>&1 \ | |
2ac000bb | 4420 | && $gcc_cv_ld $emul_name -o conftest conftest1.o conftest2.o > /dev/null 2>&1; then |
66ebfa67 | 4421 | gcc_cv_ld_no_dot_syms=yes |
4422 | fi | |
4423 | rm -f conftest conftest1.o conftest2.o conftest1.s conftest2.s | |
4424 | fi | |
4425 | ]) | |
4426 | if test x"$gcc_cv_ld_no_dot_syms" = xyes; then | |
4427 | AC_DEFINE(HAVE_LD_NO_DOT_SYMS, 1, | |
4428 | [Define if your PowerPC64 linker only needs function descriptor syms.]) | |
4429 | fi | |
72350d7b | 4430 | |
4431 | AC_CACHE_CHECK(linker large toc support, | |
4432 | gcc_cv_ld_large_toc, | |
4433 | [gcc_cv_ld_large_toc=no | |
4434 | if test $in_tree_ld = yes ; then | |
4435 | if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 21 -o "$gcc_cv_gld_major_version" -gt 2; then | |
4436 | gcc_cv_ld_large_toc=yes | |
4437 | fi | |
4438 | elif test x$gcc_cv_as != x -a x$gcc_cv_ld != x ; then | |
4439 | cat > conftest.s <<EOF | |
4440 | .section ".tbss","awT",@nobits | |
4441 | .align 3 | |
4442 | ie0: .space 8 | |
4443 | .global _start | |
4444 | .text | |
4445 | _start: | |
4446 | addis 9,13,ie0@got@tprel@ha | |
4447 | ld 9,ie0@got@tprel@l(9) | |
4448 | EOF | |
4449 | if $gcc_cv_as -a64 -o conftest.o conftest.s > /dev/null 2>&1 \ | |
2ac000bb | 4450 | && $gcc_cv_ld $emul_name --no-toc-sort -o conftest conftest.o > /dev/null 2>&1; then |
72350d7b | 4451 | gcc_cv_ld_large_toc=yes |
4452 | fi | |
4453 | rm -f conftest conftest.o conftest.s | |
4454 | fi | |
4455 | ]) | |
4456 | if test x"$gcc_cv_ld_large_toc" = xyes; then | |
4457 | AC_DEFINE(HAVE_LD_LARGE_TOC, 1, | |
4458 | [Define if your PowerPC64 linker supports a large TOC.]) | |
4459 | fi | |
66ebfa67 | 4460 | ;; |
4461 | esac | |
4462 | ||
8271b966 | 4463 | AC_CACHE_CHECK(linker --build-id support, |
4464 | gcc_cv_ld_buildid, | |
4465 | [gcc_cv_ld_buildid=no | |
4466 | if test $in_tree_ld = yes ; then | |
4467 | if test "$gcc_cv_gld_major_version" -eq 2 -a \ | |
4468 | "$gcc_cv_gld_minor_version" -ge 18 -o \ | |
4469 | "$gcc_cv_gld_major_version" -gt 2 \ | |
4470 | && test $in_tree_ld_is_elf = yes; then | |
4471 | gcc_cv_ld_buildid=yes | |
4472 | fi | |
4473 | elif test x$gcc_cv_ld != x; then | |
4474 | if $gcc_cv_ld --help 2>/dev/null | grep build-id > /dev/null; then | |
4475 | gcc_cv_ld_buildid=yes | |
4476 | fi | |
4477 | fi]) | |
4478 | if test x"$gcc_cv_ld_buildid" = xyes; then | |
4479 | AC_DEFINE(HAVE_LD_BUILDID, 1, | |
4480 | [Define if your linker supports --build-id.]) | |
4481 | fi | |
4482 | ||
4483 | AC_ARG_ENABLE(linker-build-id, | |
bc6c87c1 | 4484 | [AS_HELP_STRING([--enable-linker-build-id], |
4485 | [compiler will always pass --build-id to linker])], | |
8271b966 | 4486 | [], |
4487 | enable_linker_build_id=no) | |
4488 | ||
4489 | if test x"$enable_linker_build_id" = xyes; then | |
4490 | if test x"$gcc_cv_ld_buildid" = xyes; then | |
4491 | AC_DEFINE(ENABLE_LD_BUILDID, 1, | |
4492 | [Define if gcc should always pass --build-id to linker.]) | |
4493 | else | |
4494 | AC_MSG_WARN(--build-id is not supported by your linker; --enable-linker-build-id ignored) | |
4495 | fi | |
4496 | fi | |
4497 | ||
477b521a | 4498 | # In binutils 2.21, GNU ld gained support for new emulations fully |
4499 | # supporting the Solaris 2 ABI. Detect their presence in the linker used. | |
4500 | AC_CACHE_CHECK(linker *_sol2 emulation support, | |
4501 | gcc_cv_ld_sol2_emulation, | |
4502 | [gcc_cv_ld_sol2_emulation=no | |
4503 | if test $in_tree_ld = yes ; then | |
4504 | if test "$gcc_cv_gld_major_version" -eq 2 -a \ | |
4505 | "$gcc_cv_gld_minor_version" -ge 21 -o \ | |
4506 | "$gcc_cv_gld_major_version" -gt 2 \ | |
4507 | && test $in_tree_ld_is_elf = yes; then | |
4508 | gcc_cv_ld_sol2_emulation=yes | |
4509 | fi | |
4510 | elif test x$gcc_cv_ld != x; then | |
4511 | if $gcc_cv_ld -V 2>/dev/null | sed -e '1,/Supported emulations/d;q' | \ | |
4512 | grep _sol2 > /dev/null; then | |
4513 | gcc_cv_ld_sol2_emulation=yes | |
4514 | fi | |
4515 | fi]) | |
4516 | if test x"$gcc_cv_ld_sol2_emulation" = xyes; then | |
4517 | AC_DEFINE(HAVE_LD_SOL2_EMULATION, 1, | |
4518 | [Define if your linker supports the *_sol2 emulations.]) | |
4519 | fi | |
4520 | ||
b6bcc48f | 4521 | AC_CACHE_CHECK(linker --sysroot support, |
4522 | gcc_cv_ld_sysroot, | |
4523 | [gcc_cv_ld_sysroot=no | |
4524 | if test $in_tree_ld = yes ; then | |
4525 | if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 16 -o "$gcc_cv_gld_major_version" -gt 2 ; then | |
93b26f8a | 4526 | gcc_cv_ld_sysroot=yes |
b6bcc48f | 4527 | fi |
4528 | elif test x$gcc_cv_ld != x; then | |
4529 | if $gcc_cv_ld --help 2>/dev/null | grep sysroot > /dev/null; then | |
4530 | gcc_cv_ld_sysroot=yes | |
4531 | fi | |
4532 | fi]) | |
4533 | if test x"$gcc_cv_ld_sysroot" = xyes; then | |
4534 | AC_DEFINE(HAVE_LD_SYSROOT, 1, | |
4535 | [Define if your linker supports --sysroot.]) | |
4536 | fi | |
4537 | ||
7b6408ee | 4538 | if test x$with_sysroot = x && test x$host = x$target \ |
41c555b5 | 4539 | && test "$prefix" != "/usr" && test "x$prefix" != "x$local_prefix" \ |
4540 | && test "$prefix" != "NONE"; then | |
6d6c1801 | 4541 | AC_DEFINE_UNQUOTED(PREFIX_INCLUDE_DIR, "$prefix/include", |
4542 | [Define to PREFIX/include if cpp should also search that directory.]) | |
759d75c3 | 4543 | fi |
4544 | ||
bdd793b2 | 4545 | if test x$host != x$target || test "x$TARGET_SYSTEM_ROOT" != x; then |
4546 | if test "x$with_headers" != x; then | |
4547 | target_header_dir=$with_headers | |
4548 | elif test "x$with_sysroot" = x; then | |
e8adf557 | 4549 | target_header_dir="${test_exec_prefix}/${target_noncanonical}/sys-include" |
bdd793b2 | 4550 | elif test "x$with_build_sysroot" != "x"; then |
638454a1 | 4551 | target_header_dir="${with_build_sysroot}${native_system_header_dir}" |
bdd793b2 | 4552 | elif test "x$with_sysroot" = xyes; then |
e8adf557 | 4553 | target_header_dir="${test_exec_prefix}/${target_noncanonical}/sys-root${native_system_header_dir}" |
bdd793b2 | 4554 | else |
638454a1 | 4555 | target_header_dir="${with_sysroot}${native_system_header_dir}" |
bdd793b2 | 4556 | fi |
4557 | else | |
638454a1 | 4558 | target_header_dir=${native_system_header_dir} |
bdd793b2 | 4559 | fi |
4560 | ||
0d55f4d0 | 4561 | # Test for stack protector support in target C library. |
66740228 | 4562 | AC_CACHE_CHECK(__stack_chk_fail in target C library, |
0d55f4d0 | 4563 | gcc_cv_libc_provides_ssp, |
4564 | [gcc_cv_libc_provides_ssp=no | |
66740228 | 4565 | case "$target" in |
03c8b9d4 | 4566 | *-*-linux* | *-*-kfreebsd*-gnu | *-*-knetbsd*-gnu) |
a6b57da2 | 4567 | [# glibc 2.4 and later provides __stack_chk_fail and |
0d55f4d0 | 4568 | # either __stack_chk_guard, or TLS access to stack guard canary. |
bdd793b2 | 4569 | if test -f $target_header_dir/features.h \ |
47cbc7da | 4570 | && $EGREP '^[ ]*#[ ]*define[ ]+__GNU_LIBRARY__[ ]+([1-9][0-9]|[6-9])' \ |
bdd793b2 | 4571 | $target_header_dir/features.h > /dev/null; then |
47cbc7da | 4572 | if $EGREP '^[ ]*#[ ]*define[ ]+__GLIBC__[ ]+([1-9][0-9]|[3-9])' \ |
bdd793b2 | 4573 | $target_header_dir/features.h > /dev/null; then |
0d55f4d0 | 4574 | gcc_cv_libc_provides_ssp=yes |
47cbc7da | 4575 | elif $EGREP '^[ ]*#[ ]*define[ ]+__GLIBC__[ ]+2' \ |
bdd793b2 | 4576 | $target_header_dir/features.h > /dev/null \ |
47cbc7da | 4577 | && $EGREP '^[ ]*#[ ]*define[ ]+__GLIBC_MINOR__[ ]+([1-9][0-9]|[4-9])' \ |
bdd793b2 | 4578 | $target_header_dir/features.h > /dev/null; then |
0d55f4d0 | 4579 | gcc_cv_libc_provides_ssp=yes |
47cbc7da | 4580 | elif $EGREP '^[ ]*#[ ]*define[ ]+__UCLIBC__[ ]+1' \ |
bdd793b2 | 4581 | $target_header_dir/features.h > /dev/null && \ |
4582 | test -f $target_header_dir/bits/uClibc_config.h && \ | |
47cbc7da | 4583 | $EGREP '^[ ]*#[ ]*define[ ]+__UCLIBC_HAS_SSP__[ ]+1' \ |
bdd793b2 | 4584 | $target_header_dir/bits/uClibc_config.h > /dev/null; then |
e214b635 | 4585 | gcc_cv_libc_provides_ssp=yes |
0d55f4d0 | 4586 | fi |
e54ce707 | 4587 | # all versions of Bionic support stack protector |
4588 | elif test -f $target_header_dir/sys/cdefs.h \ | |
4589 | && $EGREP '^[ ]*#[ ]*define[ ]+__BIONIC__[ ]+1' \ | |
4590 | $target_header_dir/sys/cdefs.h > /dev/null; then | |
4591 | gcc_cv_libc_provides_ssp=yes | |
a6b57da2 | 4592 | fi] |
66740228 | 4593 | ;; |
75bfea25 | 4594 | *-*-gnu*) |
4595 | # Avoid complicated tests (see | |
4596 | # <http://gcc.gnu.org/ml/gcc/2008-10/msg00130.html>) and for now | |
4597 | # simply assert that glibc does provide this, which is true for all | |
4598 | # realistically usable GNU/Hurd configurations. | |
4599 | gcc_cv_libc_provides_ssp=yes;; | |
a85687e8 | 4600 | *-*-darwin* | *-*-freebsd*) |
66740228 | 4601 | AC_CHECK_FUNC(__stack_chk_fail,[gcc_cv_libc_provides_ssp=yes], |
4602 | [echo "no __stack_chk_fail on this target"]) | |
4603 | ;; | |
0d55f4d0 | 4604 | *) gcc_cv_libc_provides_ssp=no ;; |
66740228 | 4605 | esac]) |
4606 | ||
0d55f4d0 | 4607 | if test x$gcc_cv_libc_provides_ssp = xyes; then |
4608 | AC_DEFINE(TARGET_LIBC_PROVIDES_SSP, 1, | |
4609 | [Define if your target C library provides stack protector support]) | |
4610 | fi | |
4611 | ||
f77bcf96 | 4612 | # Test for <sys/sdt.h> on the target. |
4613 | GCC_TARGET_TEMPLATE([HAVE_SYS_SDT_H]) | |
4614 | AC_MSG_CHECKING(sys/sdt.h in the target C library) | |
4615 | have_sys_sdt_h=no | |
4616 | if test -f $target_header_dir/sys/sdt.h; then | |
28c54e7d | 4617 | have_sys_sdt_h=yes |
f77bcf96 | 4618 | AC_DEFINE(HAVE_SYS_SDT_H, 1, |
4619 | [Define if your target C library provides sys/sdt.h]) | |
4620 | fi | |
4621 | AC_MSG_RESULT($have_sys_sdt_h) | |
4622 | ||
2dde0cc6 | 4623 | # Check if TFmode long double should be used by default or not. |
4624 | # Some glibc targets used DFmode long double, but with glibc 2.4 | |
4625 | # and later they can use TFmode. | |
4626 | case "$target" in | |
8c3bf67d | 4627 | powerpc*-*-linux* | \ |
2dde0cc6 | 4628 | sparc*-*-linux* | \ |
4629 | s390*-*-linux* | \ | |
4630 | alpha*-*-linux*) | |
4631 | AC_ARG_WITH(long-double-128, | |
bc6c87c1 | 4632 | [AS_HELP_STRING([--with-long-double-128], |
4633 | [use 128-bit long double by default])], | |
2dde0cc6 | 4634 | gcc_cv_target_ldbl128="$with_long_double_128", |
a6b57da2 | 4635 | [[gcc_cv_target_ldbl128=no |
2dde0cc6 | 4636 | grep '^[ ]*#[ ]*define[ ][ ]*__LONG_DOUBLE_MATH_OPTIONAL' \ |
bdd793b2 | 4637 | $target_header_dir/bits/wordsize.h > /dev/null 2>&1 \ |
dfce740a | 4638 | && gcc_cv_target_ldbl128=yes |
a6b57da2 | 4639 | ]]) |
2dde0cc6 | 4640 | ;; |
4641 | esac | |
4642 | if test x$gcc_cv_target_ldbl128 = xyes; then | |
4643 | AC_DEFINE(TARGET_DEFAULT_LONG_DOUBLE_128, 1, | |
4644 | [Define if TFmode long double should be the default]) | |
4645 | fi | |
4646 | ||
bdd793b2 | 4647 | AC_MSG_CHECKING(dl_iterate_phdr in target C library) |
4648 | gcc_cv_target_dl_iterate_phdr=unknown | |
4649 | case "$target" in | |
dfeb8a07 | 4650 | # Restrict to Solaris 11+. While most of the Solaris 11 linker changes |
4651 | # were backported to Solaris 10 Update 10, dl_iterate_phdr only lives in | |
4652 | # libdl there, both complicating its use and breaking compatibility | |
4653 | # between Solaris 10 updates. | |
4654 | *-*-solaris2.1[[1-9]]*) | |
bdd793b2 | 4655 | # <link.h> needs both a dl_iterate_phdr declaration and support for |
4656 | # compilation with largefile support. | |
4657 | if grep dl_iterate_phdr $target_header_dir/link.h > /dev/null 2>&1 \ | |
4658 | && grep 'large file capable' $target_header_dir/link.h > /dev/null 2>&1; then | |
4659 | gcc_cv_target_dl_iterate_phdr=yes | |
4660 | else | |
4661 | gcc_cv_target_dl_iterate_phdr=no | |
4662 | fi | |
4663 | ;; | |
4664 | esac | |
4665 | GCC_TARGET_TEMPLATE([TARGET_DL_ITERATE_PHDR]) | |
4666 | if test x$gcc_cv_target_dl_iterate_phdr = xyes; then | |
4667 | AC_DEFINE(TARGET_DL_ITERATE_PHDR, 1, | |
4668 | [Define if your target C library provides the `dl_iterate_phdr' function.]) | |
4669 | fi | |
4670 | AC_MSG_RESULT($gcc_cv_target_dl_iterate_phdr) | |
4671 | ||
772580ce | 4672 | # Find out what GC implementation we want, or may, use. |
4673 | AC_ARG_WITH(gc, | |
bc6c87c1 | 4674 | [AS_HELP_STRING([--with-gc={page,zone}], |
4675 | [choose the garbage collection mechanism to use | |
4676 | with the compiler])], | |
772580ce | 4677 | [case "$withval" in |
1bb42c87 | 4678 | page) |
772580ce | 4679 | GGC=ggc-$withval |
4680 | ;; | |
1bb42c87 | 4681 | zone) |
4682 | GGC=ggc-$withval | |
4683 | AC_DEFINE(GGC_ZONE, 1, [Define if the zone collector is in use]) | |
4684 | ;; | |
772580ce | 4685 | *) |
4686 | AC_MSG_ERROR([$withval is an invalid option to --with-gc]) | |
4687 | ;; | |
4688 | esac], | |
80eb2355 | 4689 | [GGC=ggc-page]) |
772580ce | 4690 | AC_SUBST(GGC) |
4691 | echo "Using $GGC for garbage collection." | |
4692 | ||
7ab76cec | 4693 | # Libraries to use on the host. This will normally be set by the top |
4694 | # level Makefile. Here we simply capture the value for our Makefile. | |
4695 | if test -z "${HOST_LIBS+set}"; then | |
4696 | HOST_LIBS= | |
4697 | fi | |
4698 | AC_SUBST(HOST_LIBS) | |
4699 | ||
add841d2 | 4700 | # Use the system's zlib library. |
f357ac87 | 4701 | zlibdir=-L../zlib |
4702 | zlibinc="-I\$(srcdir)/../zlib" | |
add841d2 | 4703 | AC_ARG_WITH(system-zlib, |
bc6c87c1 | 4704 | [AS_HELP_STRING([--with-system-zlib], [use installed libz])], |
add841d2 | 4705 | zlibdir= |
4706 | zlibinc= | |
4707 | ) | |
4708 | AC_SUBST(zlibdir) | |
4709 | AC_SUBST(zlibinc) | |
4710 | ||
c5ab9ed2 | 4711 | dnl Very limited version of automake's enable-maintainer-mode |
4712 | ||
4713 | AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) | |
4714 | dnl maintainer-mode is disabled by default | |
4715 | AC_ARG_ENABLE(maintainer-mode, | |
bc6c87c1 | 4716 | [AS_HELP_STRING([--enable-maintainer-mode], |
4717 | [enable make rules and dependencies not useful | |
4718 | (and sometimes confusing) to the casual installer])], | |
c5ab9ed2 | 4719 | maintainer_mode=$enableval, |
4720 | maintainer_mode=no) | |
4721 | ||
4722 | AC_MSG_RESULT($maintainer_mode) | |
4723 | ||
4724 | if test "$maintainer_mode" = "yes"; then | |
4725 | MAINT='' | |
4726 | else | |
4727 | MAINT='#' | |
4728 | fi | |
4729 | AC_SUBST(MAINT)dnl | |
4730 | ||
d8a2ca58 | 4731 | # -------------- |
4732 | # Language hooks | |
4733 | # -------------- | |
4734 | ||
a4ac0141 | 4735 | # Make empty files to contain the specs and options for each language. |
4736 | # Then add #include lines to for a compiler that has specs and/or options. | |
4737 | ||
26526d23 | 4738 | subdirs= |
3272db82 | 4739 | lang_opt_files= |
a4ac0141 | 4740 | lang_specs_files= |
c3cc26e1 | 4741 | lang_tree_files= |
a4ac0141 | 4742 | # These (without "all_") are set in each config-lang.in. |
4743 | # `language' must be a single word so is spelled singularly. | |
4744 | all_languages= | |
a4ac0141 | 4745 | all_compilers= |
210263ee | 4746 | all_outputs='Makefile' |
a4ac0141 | 4747 | # List of language makefile fragments. |
a455468e | 4748 | all_lang_makefrags= |
570af75a | 4749 | # Additional files for gengtype |
eb1bd38b | 4750 | all_gtfiles="$target_gtfiles" |
a4ac0141 | 4751 | |
26526d23 | 4752 | # These are the languages that are set in --enable-languages, |
4753 | # and are available in the GCC tree. | |
4754 | all_selected_languages= | |
4755 | ||
a4ac0141 | 4756 | # Add the language fragments. |
4757 | # Languages are added via two mechanisms. Some information must be | |
4758 | # recorded in makefile variables, these are defined in config-lang.in. | |
4759 | # We accumulate them and plug them into the main Makefile. | |
4760 | # The other mechanism is a set of hooks for each of the main targets | |
4761 | # like `clean', `install', etc. | |
4762 | ||
a4ac0141 | 4763 | language_hooks="Make-hooks" |
4764 | ||
26526d23 | 4765 | for lang in ${srcdir}/*/config-lang.in |
a4ac0141 | 4766 | do |
26526d23 | 4767 | changequote(,)dnl |
5dee13c2 | 4768 | test "$lang" = "${srcdir}/*/config-lang.in" && continue |
4769 | ||
26526d23 | 4770 | lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang` |
4771 | if test "x$lang_alias" = x | |
4772 | then | |
4773 | echo "$lang doesn't set \$language." 1>&2 | |
4774 | exit 1 | |
4775 | fi | |
4776 | subdir="`echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`" | |
4777 | subdirs="$subdirs $subdir" | |
de4e1ab6 | 4778 | |
4779 | # $gcc_subdir is where the gcc integration files are to be found | |
4780 | # for a language, both for internal compiler purposes (compiler | |
4781 | # sources implementing front-end to GCC tree converters), and for | |
4782 | # build infrastructure purposes (Make-lang.in, etc.) | |
4783 | # | |
4784 | # This will be <subdir> (relative to $srcdir) if a line like | |
4785 | # gcc_subdir="<subdir>" or gcc_subdir=<subdir> | |
4786 | # is found in <langdir>/config-lang.in, and will remain <langdir> | |
4787 | # otherwise. | |
4788 | # | |
4789 | # Except for the language alias (fetched above), the regular | |
4790 | # "config-lang.in" contents are always retrieved from $gcc_subdir, | |
4791 | # so a <langdir>/config-lang.in setting gcc_subdir typically sets | |
4792 | # only this and the language alias. | |
4793 | ||
4794 | gcc_subdir=`sed -n -e 's,^gcc_subdir=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^gcc_subdir=\([^ ]*\).*$,\1,p' $lang` | |
4795 | if [ "$gcc_subdir" = "" ]; then | |
4796 | gcc_subdir="$subdir" | |
4797 | fi | |
4798 | ||
26526d23 | 4799 | case ",$enable_languages," in |
4800 | *,$lang_alias,*) | |
4801 | all_selected_languages="$all_selected_languages $lang_alias" | |
de4e1ab6 | 4802 | if test -f $srcdir/$gcc_subdir/lang-specs.h; then |
4803 | lang_specs_files="$lang_specs_files $srcdir/$gcc_subdir/lang-specs.h" | |
26526d23 | 4804 | fi |
4805 | ;; | |
4806 | esac | |
4807 | changequote([,])dnl | |
4808 | ||
26526d23 | 4809 | language= |
4810 | boot_language= | |
4811 | compilers= | |
26526d23 | 4812 | outputs= |
4813 | gtfiles= | |
5dee13c2 | 4814 | subdir_requires= |
de4e1ab6 | 4815 | . ${srcdir}/$gcc_subdir/config-lang.in |
26526d23 | 4816 | if test "x$language" = x |
4817 | then | |
de4e1ab6 | 4818 | echo "${srcdir}/$gcc_subdir/config-lang.in doesn't set \$language." 1>&2 |
26526d23 | 4819 | exit 1 |
4820 | fi | |
5dee13c2 | 4821 | |
4822 | ok=: | |
4823 | case ",$enable_languages," in | |
4824 | *,$lang_alias,*) ;; | |
4825 | *) | |
4826 | for i in $subdir_requires; do | |
3891e7d9 | 4827 | test -f "${srcdir}/$i/config-lang.in" && continue |
5dee13c2 | 4828 | ok=false |
4829 | break | |
4830 | done | |
4831 | ;; | |
4832 | esac | |
4833 | $ok || continue | |
4834 | ||
de4e1ab6 | 4835 | all_lang_makefrags="$all_lang_makefrags \$(srcdir)/$gcc_subdir/Make-lang.in" |
4836 | if test -f $srcdir/$gcc_subdir/lang.opt; then | |
4837 | lang_opt_files="$lang_opt_files $srcdir/$gcc_subdir/lang.opt" | |
755fa783 | 4838 | all_opt_files="$all_opt_files $srcdir/$gcc_subdir/lang.opt" |
5dee13c2 | 4839 | fi |
de4e1ab6 | 4840 | if test -f $srcdir/$gcc_subdir/$subdir-tree.def; then |
4841 | lang_tree_files="$lang_tree_files $srcdir/$gcc_subdir/$subdir-tree.def" | |
5dee13c2 | 4842 | fi |
26526d23 | 4843 | all_languages="$all_languages $language" |
26526d23 | 4844 | all_compilers="$all_compilers $compilers" |
26526d23 | 4845 | all_outputs="$all_outputs $outputs" |
570af75a | 4846 | all_gtfiles="$all_gtfiles [[$subdir]] $gtfiles" |
7bfefa9d | 4847 | case ",$enable_languages," in |
4848 | *,lto,*) | |
4849 | AC_DEFINE(ENABLE_LTO, 1, [Define to enable LTO support.]) | |
4850 | enable_lto=yes | |
4851 | AC_SUBST(enable_lto) | |
4852 | ;; | |
4853 | *) ;; | |
4854 | esac | |
a4ac0141 | 4855 | done |
4856 | ||
21fa82cb | 4857 | check_languages= |
26526d23 | 4858 | for language in $all_selected_languages |
21fa82cb | 4859 | do |
26526d23 | 4860 | check_languages="$check_languages check-$language" |
21fa82cb | 4861 | done |
4862 | ||
d5cd09c5 | 4863 | # We link each language in with a set of hooks, reached indirectly via |
26526d23 | 4864 | # lang.${target}. Only do so for selected languages. |
a4ac0141 | 4865 | |
4866 | rm -f Make-hooks | |
4867 | touch Make-hooks | |
ae6555f9 | 4868 | target_list="all.cross start.encap rest.encap tags \ |
fb433b0b | 4869 | install-common install-man install-info install-pdf install-html dvi \ |
4870 | pdf html uninstall info man srcextra srcman srcinfo \ | |
c02b6f4e | 4871 | mostlyclean clean distclean maintainer-clean install-plugin" |
26526d23 | 4872 | |
a4ac0141 | 4873 | for t in $target_list |
4874 | do | |
4875 | x= | |
26526d23 | 4876 | for lang in $all_selected_languages |
a4ac0141 | 4877 | do |
26526d23 | 4878 | x="$x $lang.$t" |
a4ac0141 | 4879 | done |
4880 | echo "lang.$t: $x" >> Make-hooks | |
4881 | done | |
4882 | ||
755fa783 | 4883 | # -------- |
4884 | # Option include files | |
4885 | # -------- | |
4886 | ||
4887 | ${AWK} -f $srcdir/opt-include.awk $all_opt_files > option-includes.mk | |
4888 | option_includes="option-includes.mk" | |
4889 | AC_SUBST_FILE(option_includes) | |
4890 | ||
d8a2ca58 | 4891 | # -------- |
4892 | # UNSORTED | |
4893 | # -------- | |
4894 | ||
49d87238 | 4895 | # Create .gdbinit. |
80a1cc00 | 4896 | |
49d87238 | 4897 | echo "dir ." > .gdbinit |
4898 | echo "dir ${srcdir}" >> .gdbinit | |
4899 | if test x$gdb_needs_out_file_path = xyes | |
4900 | then | |
4901 | echo "dir ${srcdir}/config/"`dirname ${out_file}` >> .gdbinit | |
4902 | fi | |
4903 | if test "x$subdirs" != x; then | |
4904 | for s in $subdirs | |
4905 | do | |
4906 | echo "dir ${srcdir}/$s" >> .gdbinit | |
4907 | done | |
80a1cc00 | 4908 | fi |
49d87238 | 4909 | echo "source ${srcdir}/gdbinit.in" >> .gdbinit |
80a1cc00 | 4910 | |
fc5f9e0c | 4911 | gcc_tooldir='$(libsubdir)/$(libsubdir_to_prefix)$(target_noncanonical)' |
f22b529a | 4912 | AC_SUBST(gcc_tooldir) |
066520ea | 4913 | AC_SUBST(dollar) |
f22b529a | 4914 | |
074386b8 | 4915 | # Find a directory in which to install a shared libgcc. |
4916 | ||
4917 | AC_ARG_ENABLE(version-specific-runtime-libs, | |
bc6c87c1 | 4918 | [AS_HELP_STRING([--enable-version-specific-runtime-libs], |
4919 | [specify that runtime libraries should be | |
4920 | installed in a compiler-specific directory])]) | |
074386b8 | 4921 | |
01dc27ef | 4922 | # Substitute configuration variables |
4923 | AC_SUBST(subdirs) | |
776c30b8 | 4924 | AC_SUBST(srcdir) |
01dc27ef | 4925 | AC_SUBST(all_compilers) |
1f3233d1 | 4926 | AC_SUBST(all_gtfiles) |
a455468e | 4927 | AC_SUBST(all_lang_makefrags) |
434bb88d | 4928 | AC_SUBST(all_languages) |
26526d23 | 4929 | AC_SUBST(all_selected_languages) |
434bb88d | 4930 | AC_SUBST(build_exeext) |
4931 | AC_SUBST(build_install_headers_dir) | |
4932 | AC_SUBST(build_xm_file_list) | |
4dcab8b7 | 4933 | AC_SUBST(build_xm_include_list) |
83b8e55b | 4934 | AC_SUBST(build_xm_defines) |
fbf9447e | 4935 | AC_SUBST(build_file_translate) |
21fa82cb | 4936 | AC_SUBST(check_languages) |
434bb88d | 4937 | AC_SUBST(cpp_install_dir) |
a455468e | 4938 | AC_SUBST(xmake_file) |
4939 | AC_SUBST(tmake_file) | |
f555bf81 | 4940 | AC_SUBST(TM_ENDIAN_CONFIG) |
4941 | AC_SUBST(TM_MULTILIB_CONFIG) | |
4942 | AC_SUBST(TM_MULTILIB_EXCEPTIONS_CONFIG) | |
69eb04f7 | 4943 | AC_SUBST(extra_gcc_objs) |
ac0366be | 4944 | AC_SUBST(user_headers_inc_next_pre) |
4945 | AC_SUBST(user_headers_inc_next_post) | |
434bb88d | 4946 | AC_SUBST(extra_headers_list) |
01dc27ef | 4947 | AC_SUBST(extra_objs) |
434bb88d | 4948 | AC_SUBST(extra_programs) |
434bb88d | 4949 | AC_SUBST(float_h_file) |
9371935c | 4950 | AC_SUBST(gcc_config_arguments) |
434bb88d | 4951 | AC_SUBST(gcc_gxx_include_dir) |
36ddd5fe | 4952 | AC_SUBST(gcc_gxx_include_dir_add_sysroot) |
434bb88d | 4953 | AC_SUBST(host_exeext) |
01dc27ef | 4954 | AC_SUBST(host_xm_file_list) |
4dcab8b7 | 4955 | AC_SUBST(host_xm_include_list) |
83b8e55b | 4956 | AC_SUBST(host_xm_defines) |
b197fbcf | 4957 | AC_SUBST(out_host_hook_obj) |
434bb88d | 4958 | AC_SUBST(install) |
3272db82 | 4959 | AC_SUBST(lang_opt_files) |
434bb88d | 4960 | AC_SUBST(lang_specs_files) |
c3cc26e1 | 4961 | AC_SUBST(lang_tree_files) |
01dc27ef | 4962 | AC_SUBST(local_prefix) |
434bb88d | 4963 | AC_SUBST(md_file) |
4964 | AC_SUBST(objc_boehm_gc) | |
4965 | AC_SUBST(out_file) | |
4966 | AC_SUBST(out_object_file) | |
3e87b980 | 4967 | AC_SUBST(common_out_file) |
4968 | AC_SUBST(common_out_object_file) | |
434bb88d | 4969 | AC_SUBST(tm_file_list) |
4dcab8b7 | 4970 | AC_SUBST(tm_include_list) |
8d4f8d46 | 4971 | AC_SUBST(tm_defines) |
83b8e55b | 4972 | AC_SUBST(tm_p_file_list) |
4dcab8b7 | 4973 | AC_SUBST(tm_p_include_list) |
4974 | AC_SUBST(xm_file_list) | |
4975 | AC_SUBST(xm_include_list) | |
8b24e546 | 4976 | AC_SUBST(xm_defines) |
f3449a3c | 4977 | AC_SUBST(use_gcc_stdint) |
8daa9e98 | 4978 | AC_SUBST(c_target_objs) |
4979 | AC_SUBST(cxx_target_objs) | |
32006f36 | 4980 | AC_SUBST(fortran_target_objs) |
83b8e55b | 4981 | AC_SUBST(target_cpu_default) |
01dc27ef | 4982 | |
01dc27ef | 4983 | AC_SUBST_FILE(language_hooks) |
4984 | ||
ba4dfdb7 | 4985 | # Echo link setup. |
4986 | if test x${build} = x${host} ; then | |
4987 | if test x${host} = x${target} ; then | |
4988 | echo "Links are now set up to build a native compiler for ${target}." 1>&2 | |
4989 | else | |
4990 | echo "Links are now set up to build a cross-compiler" 1>&2 | |
4991 | echo " from ${host} to ${target}." 1>&2 | |
4992 | fi | |
01dc27ef | 4993 | else |
ba4dfdb7 | 4994 | if test x${host} = x${target} ; then |
4995 | echo "Links are now set up to build (on ${build}) a native compiler" 1>&2 | |
4996 | echo " for ${target}." 1>&2 | |
4997 | else | |
4998 | echo "Links are now set up to build (on ${build}) a cross-compiler" 1>&2 | |
4999 | echo " from ${host} to ${target}." 1>&2 | |
5000 | fi | |
01dc27ef | 5001 | fi |
5002 | ||
4ee9c684 | 5003 | AC_ARG_VAR(GMPLIBS,[How to link GMP]) |
5004 | AC_ARG_VAR(GMPINC,[How to find GMP include files]) | |
5005 | ||
87e20041 | 5006 | AC_ARG_VAR(ISLLIBS,[How to link ISL]) |
5007 | AC_ARG_VAR(ISLINC,[How to find ISL include files]) | |
255b6be7 | 5008 | |
5009 | AC_ARG_VAR(CLOOGLIBS,[How to link CLOOG]) | |
5010 | AC_ARG_VAR(CLOOGINC,[How to find CLOOG include files]) | |
5011 | if test "x${CLOOGLIBS}" != "x" ; then | |
5012 | AC_DEFINE(HAVE_cloog, 1, [Define if cloog is in use.]) | |
5013 | fi | |
5014 | ||
9227b6fc | 5015 | # Check for plugin support |
5016 | AC_ARG_ENABLE(plugin, | |
bc6c87c1 | 5017 | [AS_HELP_STRING([--enable-plugin], [enable plugin support])], |
9227b6fc | 5018 | enable_plugin=$enableval, |
5019 | enable_plugin=yes; default_plugin=yes) | |
5020 | ||
5021 | pluginlibs= | |
2a156579 | 5022 | |
22dcc08a | 5023 | case "${host}" in |
5024 | *-*-darwin*) | |
5025 | if test x$build = x$host; then | |
5026 | export_sym_check="nm${exeext} -g" | |
26381b94 | 5027 | elif test x$host = x$target; then |
d87f538b | 5028 | export_sym_check="$gcc_cv_nm -g" |
22dcc08a | 5029 | else |
5030 | export_sym_check= | |
5031 | fi | |
5032 | ;; | |
5033 | *) | |
5034 | if test x$build = x$host; then | |
5035 | export_sym_check="objdump${exeext} -T" | |
26381b94 | 5036 | elif test x$host = x$target; then |
d87f538b | 5037 | export_sym_check="$gcc_cv_objdump -T" |
22dcc08a | 5038 | else |
5039 | export_sym_check= | |
5040 | fi | |
5041 | ;; | |
5042 | esac | |
5043 | ||
5044 | if test x"$enable_plugin" = x"yes"; then | |
5045 | ||
2a156579 | 5046 | AC_MSG_CHECKING([for exported symbols]) |
22dcc08a | 5047 | if test "x$export_sym_check" != x; then |
5048 | echo "int main() {return 0;} int foobar() {return 0;}" > conftest.c | |
5049 | ${CC} ${CFLAGS} ${LDFLAGS} conftest.c -o conftest > /dev/null 2>&1 | |
d87f538b | 5050 | if $export_sym_check conftest | grep foobar > /dev/null; then |
22dcc08a | 5051 | : # No need to use a flag |
5052 | AC_MSG_RESULT([yes]) | |
2a156579 | 5053 | else |
22dcc08a | 5054 | AC_MSG_RESULT([yes]) |
5055 | AC_MSG_CHECKING([for -rdynamic]) | |
5056 | ${CC} ${CFLAGS} ${LDFLAGS} -rdynamic conftest.c -o conftest > /dev/null 2>&1 | |
5057 | if $export_sym_check conftest | grep foobar > /dev/null; then | |
5058 | plugin_rdynamic=yes | |
5059 | pluginlibs="-rdynamic" | |
5060 | else | |
5061 | plugin_rdynamic=no | |
5062 | enable_plugin=no | |
5063 | fi | |
5064 | AC_MSG_RESULT([$plugin_rdynamic]) | |
2a156579 | 5065 | fi |
22dcc08a | 5066 | else |
5067 | AC_MSG_RESULT([unable to check]) | |
9227b6fc | 5068 | fi |
5069 | ||
5070 | # Check -ldl | |
3ba1a8b2 | 5071 | saved_LIBS="$LIBS" |
5297bed9 | 5072 | AC_SEARCH_LIBS([dlopen], [dl]) |
5073 | if test x"$ac_cv_search_dlopen" = x"-ldl"; then | |
9227b6fc | 5074 | pluginlibs="$pluginlibs -ldl" |
5075 | fi | |
3ba1a8b2 | 5076 | LIBS="$saved_LIBS" |
9227b6fc | 5077 | |
5078 | # Check that we can build shared objects with -fPIC -shared | |
3ba1a8b2 | 5079 | saved_LDFLAGS="$LDFLAGS" |
16463c8d | 5080 | saved_CFLAGS="$CFLAGS" |
d87f538b | 5081 | case "${host}" in |
5082 | *-*-darwin*) | |
16463c8d | 5083 | CFLAGS=`echo $CFLAGS | sed s/-mdynamic-no-pic//g` |
5084 | CFLAGS="$CFLAGS -fPIC" | |
5085 | LDFLAGS="$LDFLAGS -shared -undefined dynamic_lookup" | |
d87f538b | 5086 | ;; |
5087 | *) | |
16463c8d | 5088 | CFLAGS="$CFLAGS -fPIC" |
d87f538b | 5089 | LDFLAGS="$LDFLAGS -fPIC -shared" |
5090 | ;; | |
5091 | esac | |
9227b6fc | 5092 | AC_MSG_CHECKING([for -fPIC -shared]) |
5093 | AC_TRY_LINK( | |
5094 | [extern int X;],[return X == 0;], | |
5095 | [AC_MSG_RESULT([yes]); have_pic_shared=yes], | |
5096 | [AC_MSG_RESULT([no]); have_pic_shared=no]) | |
5297bed9 | 5097 | if test x"$have_pic_shared" != x"yes" -o x"$ac_cv_search_dlopen" = x"no"; then |
9227b6fc | 5098 | pluginlibs= |
5099 | enable_plugin=no | |
5100 | fi | |
3ba1a8b2 | 5101 | LDFLAGS="$saved_LDFLAGS" |
16463c8d | 5102 | CFLAGS="$saved_CFLAGS" |
9227b6fc | 5103 | |
5104 | # If plugin support had been requested but not available, fail. | |
5105 | if test x"$enable_plugin" = x"no" ; then | |
5106 | if test x"$default_plugin" != x"yes"; then | |
5107 | AC_MSG_ERROR([ | |
5108 | Building GCC with plugin support requires a host that supports | |
5109 | -fPIC, -shared, -ldl and -rdynamic.]) | |
5110 | fi | |
5111 | fi | |
9227b6fc | 5112 | fi |
5113 | ||
5114 | AC_SUBST(pluginlibs) | |
5115 | AC_SUBST(enable_plugin) | |
5116 | if test x"$enable_plugin" = x"yes"; then | |
5117 | AC_DEFINE(ENABLE_PLUGIN, 1, [Define to enable plugin support.]) | |
5118 | fi | |
5119 | ||
d9d975ae | 5120 | |
5121 | AC_ARG_ENABLE(libquadmath-support, | |
5122 | [AS_HELP_STRING([--disable-libquadmath-support], | |
5123 | [disable libquadmath support for Fortran])], | |
5124 | ENABLE_LIBQUADMATH_SUPPORT=$enableval, | |
5125 | ENABLE_LIBQUADMATH_SUPPORT=yes) | |
5126 | if test "${ENABLE_LIBQUADMATH_SUPPORT}" != "no" ; then | |
5127 | AC_DEFINE(ENABLE_LIBQUADMATH_SUPPORT, 1, | |
5128 | [Define to 1 to enable libquadmath support]) | |
5129 | fi | |
5130 | ||
5131 | ||
3cb9bbfa | 5132 | # Specify what hash style to use by default. |
5133 | AC_ARG_WITH([linker-hash-style], | |
5134 | [AC_HELP_STRING([--with-linker-hash-style={sysv,gnu,both}], | |
5135 | [specify the linker hash style])], | |
5136 | [case x"$withval" in | |
5137 | xsysv) | |
5138 | LINKER_HASH_STYLE=sysv | |
5139 | ;; | |
5140 | xgnu) | |
5141 | LINKER_HASH_STYLE=gnu | |
5142 | ;; | |
5143 | xboth) | |
5144 | LINKER_HASH_STYLE=both | |
5145 | ;; | |
5146 | *) | |
5147 | AC_MSG_ERROR([$withval is an invalid option to --with-linker-hash-style]) | |
5148 | ;; | |
5149 | esac], | |
5150 | [LINKER_HASH_STYLE='']) | |
5151 | if test x"${LINKER_HASH_STYLE}" != x; then | |
5152 | AC_DEFINE_UNQUOTED(LINKER_HASH_STYLE, "$LINKER_HASH_STYLE", | |
5153 | [The linker hash style]) | |
5154 | fi | |
5155 | ||
01dc27ef | 5156 | # Configure the subdirectories |
5157 | # AC_CONFIG_SUBDIRS($subdirs) | |
5158 | ||
5159 | # Create the Makefile | |
4fc83d8e | 5160 | # and configure language subdirectories |
1211e6bc | 5161 | AC_CONFIG_FILES($all_outputs) |
5162 | ||
5163 | AC_CONFIG_COMMANDS([default], | |
805483cf | 5164 | [ |
00ba4d3e | 5165 | case ${CONFIG_HEADERS} in |
5166 | *auto-host.h:config.in*) | |
5167 | echo > cstamp-h ;; | |
805483cf | 5168 | esac |
a455468e | 5169 | # Make sure all the subdirs exist. |
3e87b980 | 5170 | for d in $subdirs doc build common c-family |
a455468e | 5171 | do |
a455468e | 5172 | test -d $d || mkdir $d |
a455468e | 5173 | done |
a1a7e9d5 | 5174 | ], |
26be379c | 5175 | [subdirs='$subdirs']) |
1211e6bc | 5176 | AC_OUTPUT |
755fa783 | 5177 |