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2cd18f76 | 1 | # configure.ac for GCC |
01dc27ef | 2 | # Process this file with autoconf to generate a configuration script. |
3 | ||
97f2677a | 4 | # Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 |
24d1674d | 5 | # 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 | |
11 | #Software Foundation; either version 2, or (at your option) any later | |
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 | |
f12b58b3 | 20 | #along with GCC; see the file COPYING. If not, write to the Free |
67ce556b | 21 | #Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA |
22 | #02110-1301, USA. | |
01dc27ef | 23 | |
7349ace9 | 24 | # -------------------------------- |
25 | # Initialization and sanity checks | |
26 | # -------------------------------- | |
27 | ||
d6b9b86f | 28 | AC_PREREQ(2.59) |
1211e6bc | 29 | AC_INIT |
30 | AC_CONFIG_SRCDIR(tree.c) | |
764fc592 | 31 | AC_CONFIG_HEADER(auto-host.h:config.in) |
805483cf | 32 | |
f32e3360 | 33 | gcc_version=`cat $srcdir/BASE-VER` |
34 | ||
7349ace9 | 35 | # Determine the host, build, and target systems |
1211e6bc | 36 | AC_CANONICAL_BUILD |
37 | AC_CANONICAL_HOST | |
38 | AC_CANONICAL_TARGET | |
7349ace9 | 39 | |
d58156a1 | 40 | # Determine the noncanonical target name, for directory use. |
dabbc00f | 41 | ACX_NONCANONICAL_TARGET |
d58156a1 | 42 | |
4f442f07 | 43 | # Determine the target- and build-specific subdirectories |
44 | GCC_TOPLEV_SUBDIRS | |
45 | ||
7349ace9 | 46 | # Set program_transform_name |
47 | AC_ARG_PROGRAM | |
01dc27ef | 48 | |
279894f2 | 49 | # Check for bogus environment variables. |
50 | # Test if LIBRARY_PATH contains the notation for the current directory | |
51 | # since this would lead to problems installing/building glibc. | |
52 | # LIBRARY_PATH contains the current directory if one of the following | |
53 | # is true: | |
54 | # - one of the terminals (":" and ";") is the first or last sign | |
55 | # - two terminals occur directly after each other | |
56 | # - the path contains an element with a dot in it | |
57 | AC_MSG_CHECKING(LIBRARY_PATH variable) | |
58 | changequote(,)dnl | |
59 | case ${LIBRARY_PATH} in | |
60 | [:\;]* | *[:\;] | *[:\;][:\;]* | *[:\;]. | .[:\;]*| . | *[:\;].[:\;]* ) | |
61 | library_path_setting="contains current directory" | |
62 | ;; | |
63 | *) | |
64 | library_path_setting="ok" | |
65 | ;; | |
66 | esac | |
67 | changequote([,])dnl | |
68 | AC_MSG_RESULT($library_path_setting) | |
69 | if test "$library_path_setting" != "ok"; then | |
70 | AC_MSG_ERROR([ | |
71 | *** LIBRARY_PATH shouldn't contain the current directory when | |
edf2430c | 72 | *** building gcc. Please change the environment variable |
279894f2 | 73 | *** and run configure again.]) |
74 | fi | |
75 | ||
76 | # Test if GCC_EXEC_PREFIX contains the notation for the current directory | |
77 | # since this would lead to problems installing/building glibc. | |
78 | # GCC_EXEC_PREFIX contains the current directory if one of the following | |
79 | # is true: | |
80 | # - one of the terminals (":" and ";") is the first or last sign | |
81 | # - two terminals occur directly after each other | |
82 | # - the path contains an element with a dot in it | |
83 | AC_MSG_CHECKING(GCC_EXEC_PREFIX variable) | |
84 | changequote(,)dnl | |
85 | case ${GCC_EXEC_PREFIX} in | |
86 | [:\;]* | *[:\;] | *[:\;][:\;]* | *[:\;]. | .[:\;]*| . | *[:\;].[:\;]* ) | |
87 | gcc_exec_prefix_setting="contains current directory" | |
88 | ;; | |
89 | *) | |
90 | gcc_exec_prefix_setting="ok" | |
91 | ;; | |
92 | esac | |
93 | changequote([,])dnl | |
94 | AC_MSG_RESULT($gcc_exec_prefix_setting) | |
95 | if test "$gcc_exec_prefix_setting" != "ok"; then | |
96 | AC_MSG_ERROR([ | |
97 | *** GCC_EXEC_PREFIX shouldn't contain the current directory when | |
edf2430c | 98 | *** building gcc. Please change the environment variable |
279894f2 | 99 | *** and run configure again.]) |
100 | fi | |
101 | ||
7349ace9 | 102 | # ----------- |
103 | # Directories | |
104 | # ----------- | |
105 | ||
106 | # Specify the local prefix | |
107 | local_prefix= | |
108 | AC_ARG_WITH(local-prefix, | |
109 | [ --with-local-prefix=DIR specifies directory to put local include], | |
110 | [case "${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$local_prefix = x; then | |
118 | local_prefix=/usr/local | |
119 | fi | |
120 | ||
121 | # Don't set gcc_gxx_include_dir to gxx_include_dir since that's only | |
122 | # passed in by the toplevel make and thus we'd get different behavior | |
123 | # depending on where we built the sources. | |
124 | gcc_gxx_include_dir= | |
125 | # Specify the g++ header file directory | |
126 | AC_ARG_WITH(gxx-include-dir, | |
127 | [ --with-gxx-include-dir=DIR | |
128 | specifies directory to put g++ header files], | |
129 | [case "${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 | |
7349ace9 | 144 | changequote(<<, >>)dnl |
0bf9691e | 145 | gcc_gxx_include_dir="\$(libsubdir)/\$(unlibsubdir)/..\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/[^/]*|/..|g'\`/$libstdcxx_incdir" |
7349ace9 | 146 | changequote([, ])dnl |
147 | fi | |
148 | fi | |
149 | ||
150 | AC_ARG_WITH(cpp_install_dir, | |
151 | [ --with-cpp-install-dir=DIR | |
152 | install the user visible C preprocessor in DIR | |
153 | (relative to PREFIX) as well as PREFIX/bin], | |
154 | [if test x$withval = xyes; then | |
155 | AC_MSG_ERROR([option --with-cpp-install-dir requires an argument]) | |
156 | elif test x$withval != xno; then | |
157 | cpp_install_dir=$withval | |
158 | fi]) | |
159 | ||
37c96b91 | 160 | # We would like to our source tree to be readonly. However when releases or |
161 | # pre-releases are generated, the flex/bison generated files as well as the | |
162 | # various formats of manuals need to be included along with the rest of the | |
163 | # sources. Therefore we have --enable-generated-files-in-srcdir to do | |
164 | # just that. | |
165 | ||
a6b4c5a9 | 166 | AC_MSG_CHECKING([whether to place generated files in the source directory]) |
167 | dnl generated-files-in-srcdir is disabled by default | |
168 | AC_ARG_ENABLE(generated-files-in-srcdir, | |
169 | [ --enable-generated-files-in-srcdir | |
170 | put copies of generated files in source dir | |
171 | intended for creating source tarballs for users | |
172 | without texinfo bison or flex.], | |
173 | generated_files_in_srcdir=$enableval, | |
174 | generated_files_in_srcdir=no) | |
175 | ||
176 | AC_MSG_RESULT($generated_files_in_srcdir) | |
177 | ||
178 | if test "$generated_files_in_srcdir" = "yes"; then | |
179 | GENINSRC='' | |
a6b4c5a9 | 180 | else |
181 | GENINSRC='#' | |
a6b4c5a9 | 182 | fi |
183 | AC_SUBST(GENINSRC) | |
37c96b91 | 184 | |
7349ace9 | 185 | # ------------------- |
186 | # Find default linker | |
187 | # ------------------- | |
01dc27ef | 188 | |
189 | # With GNU ld | |
190 | AC_ARG_WITH(gnu-ld, | |
191 | [ --with-gnu-ld arrange to work with GNU ld.], | |
c4f70bb2 | 192 | gnu_ld_flag="$with_gnu_ld", |
193 | gnu_ld_flag=no) | |
01dc27ef | 194 | |
f07251bc | 195 | # With pre-defined ld |
196 | AC_ARG_WITH(ld, | |
77eb56d4 | 197 | [ --with-ld arrange to use the specified ld (full pathname)], |
f8b7dbdb | 198 | DEFAULT_LINKER="$with_ld") |
199 | if test x"${DEFAULT_LINKER+set}" = x"set"; then | |
200 | if test ! -x "$DEFAULT_LINKER"; then | |
b452b31a | 201 | AC_MSG_ERROR([cannot execute: $DEFAULT_LINKER: check --with-ld or env. var. DEFAULT_LINKER]) |
16e09e89 | 202 | elif $DEFAULT_LINKER -v < /dev/null 2>&1 | grep GNU > /dev/null; then |
f07251bc | 203 | gnu_ld_flag=yes |
204 | fi | |
42f1312d | 205 | AC_DEFINE_UNQUOTED(DEFAULT_LINKER,"$DEFAULT_LINKER", |
206 | [Define to enable the use of a default linker.]) | |
f07251bc | 207 | fi |
208 | ||
7349ace9 | 209 | AC_MSG_CHECKING([whether a default linker was specified]) |
210 | if test x"${DEFAULT_LINKER+set}" = x"set"; then | |
211 | if test x"$gnu_ld_flag" = x"no"; then | |
212 | AC_MSG_RESULT([yes ($DEFAULT_LINKER)]) | |
213 | else | |
214 | AC_MSG_RESULT([yes ($DEFAULT_LINKER - GNU ld)]) | |
215 | fi | |
216 | else | |
217 | AC_MSG_RESULT(no) | |
218 | fi | |
219 | ||
9c948bc2 | 220 | # With demangler in GNU ld |
221 | AC_ARG_WITH(demangler-in-ld, | |
222 | [ --with-demangler-in-ld try to use demangler in GNU ld.], | |
223 | demangler_in_ld="$with_demangler_in_ld", | |
224 | demangler_in_ld=no) | |
225 | ||
7349ace9 | 226 | # ---------------------- |
227 | # Find default assembler | |
228 | # ---------------------- | |
229 | ||
01dc27ef | 230 | # With GNU as |
231 | AC_ARG_WITH(gnu-as, | |
77eb56d4 | 232 | [ --with-gnu-as arrange to work with GNU as], |
c4f70bb2 | 233 | gas_flag="$with_gnu_as", |
234 | gas_flag=no) | |
01dc27ef | 235 | |
f07251bc | 236 | AC_ARG_WITH(as, |
77eb56d4 | 237 | [ --with-as arrange to use the specified as (full pathname)], |
f8b7dbdb | 238 | DEFAULT_ASSEMBLER="$with_as") |
239 | if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then | |
240 | if test ! -x "$DEFAULT_ASSEMBLER"; then | |
b452b31a | 241 | AC_MSG_ERROR([cannot execute: $DEFAULT_ASSEMBLER: check --with-as or env. var. DEFAULT_ASSEMBLER]) |
16e09e89 | 242 | elif $DEFAULT_ASSEMBLER -v < /dev/null 2>&1 | grep GNU > /dev/null; then |
f07251bc | 243 | gas_flag=yes |
244 | fi | |
42f1312d | 245 | AC_DEFINE_UNQUOTED(DEFAULT_ASSEMBLER,"$DEFAULT_ASSEMBLER", |
246 | [Define to enable the use of a default assembler.]) | |
f8b7dbdb | 247 | fi |
f07251bc | 248 | |
7349ace9 | 249 | AC_MSG_CHECKING([whether a default assembler was specified]) |
250 | if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then | |
251 | if test x"$gas_flag" = x"no"; then | |
252 | AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER)]) | |
6e014aa3 | 253 | else |
7349ace9 | 254 | AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER - GNU as)]) |
6e014aa3 | 255 | fi |
7349ace9 | 256 | else |
257 | AC_MSG_RESULT(no) | |
6e014aa3 | 258 | fi |
01dc27ef | 259 | |
7349ace9 | 260 | # --------------- |
261 | # Find C compiler | |
262 | # --------------- | |
1c6c0617 | 263 | |
f7a804c7 | 264 | # If a non-executable a.out is present (e.g. created by GNU as above even if |
265 | # invoked with -v only), the IRIX 6 native ld just overwrites the existing | |
266 | # file, even when creating an executable, so an execution test fails. | |
267 | # Remove possible default executable files to avoid this. | |
268 | # | |
269 | # FIXME: This really belongs into AC_PROG_CC and can be removed once | |
270 | # Autoconf includes it. | |
271 | rm -f a.out a.exe b.out | |
272 | ||
0fa54ff1 | 273 | # Find the native compiler |
274 | AC_PROG_CC | |
524a54cf | 275 | AM_PROG_CC_C_O |
0fa54ff1 | 276 | # autoconf is lame and doesn't give us any substitution variable for this. |
277 | if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then | |
278 | NO_MINUS_C_MINUS_O=yes | |
279 | else | |
280 | OUTPUT_OPTION='-o $@' | |
281 | fi | |
282 | AC_SUBST(NO_MINUS_C_MINUS_O) | |
283 | AC_SUBST(OUTPUT_OPTION) | |
284 | ||
c81c13fb | 285 | # Remove the -O2: for historical reasons, unless bootstrapping we prefer |
286 | # optimizations to be activated explicitly by the toplevel. | |
287 | case "$CC" in | |
288 | */prev-gcc/xgcc*) ;; | |
289 | *) CFLAGS=`echo $CFLAGS | sed "s/-O[[s0-9]]* *//" ` ;; | |
290 | esac | |
291 | AC_SUBST(CFLAGS) | |
292 | ||
966842d4 | 293 | # ------------------------- |
294 | # Check C compiler features | |
295 | # ------------------------- | |
296 | ||
7349ace9 | 297 | AC_PROG_CPP |
298 | AC_C_INLINE | |
7349ace9 | 299 | |
7349ace9 | 300 | # sizeof(char) is 1 by definition. |
b085c511 | 301 | AC_CHECK_SIZEOF(void *) |
302 | AC_CHECK_SIZEOF(short) | |
303 | AC_CHECK_SIZEOF(int) | |
304 | AC_CHECK_SIZEOF(long) | |
cd29f3a4 | 305 | AC_CHECK_TYPES([long long], [AC_CHECK_SIZEOF(long long)]) |
306 | AC_CHECK_TYPES([__int64], [AC_CHECK_SIZEOF(__int64)]) | |
7349ace9 | 307 | |
7349ace9 | 308 | # --------------------- |
309 | # Warnings and checking | |
310 | # --------------------- | |
311 | ||
1f59d204 | 312 | # Check $CC warning features (if it's GCC). |
313 | # We want to use -pedantic, but we don't want warnings about | |
314 | # * 'long long' | |
315 | # * variadic macros | |
1d752508 | 316 | # * overlong strings |
1f59d204 | 317 | # So, we only use -pedantic if we can disable those warnings. |
318 | ||
319 | AC_CACHE_CHECK( | |
320 | [whether ${CC} accepts -Wno-long-long], | |
321 | [ac_cv_prog_cc_w_no_long_long], | |
322 | [save_CFLAGS="$CFLAGS" | |
323 | CFLAGS="-Wno-long-long" | |
324 | AC_COMPILE_IFELSE([AC_LANG_SOURCE([[]])], | |
325 | [ac_cv_prog_cc_w_no_long_long=yes], | |
326 | [ac_cv_prog_cc_w_no_long_long=no]) | |
327 | CFLAGS="$save_CFLAGS" | |
328 | ]) | |
329 | ||
330 | AC_CACHE_CHECK( | |
331 | [whether ${CC} accepts -Wno-variadic-macros], | |
332 | [ac_cv_prog_cc_w_no_variadic_macros], | |
333 | [save_CFLAGS="$CFLAGS" | |
334 | CFLAGS="-Wno-variadic-macros" | |
335 | AC_COMPILE_IFELSE([AC_LANG_SOURCE([[]])], | |
336 | [ac_cv_prog_cc_w_no_variadic_macros=yes], | |
337 | [ac_cv_prog_cc_w_no_variadic_macros=no]) | |
338 | CFLAGS="$save_CFLAGS" | |
339 | ]) | |
340 | ||
1d752508 | 341 | AC_CACHE_CHECK( |
342 | [whether ${CC} accepts -Wno-overlength-strings], | |
343 | [ac_cv_prog_cc_w_no_overlength_strings], | |
344 | [save_CFLAGS="$CFLAGS" | |
345 | CFLAGS="-Wno-overlength-strings" | |
346 | AC_COMPILE_IFELSE([AC_LANG_SOURCE([[]])], | |
347 | [ac_cv_prog_cc_w_no_overlength_strings=yes], | |
348 | [ac_cv_prog_cc_w_no_overlength_strings=no]) | |
349 | CFLAGS="$save_CFLAGS" | |
350 | ]) | |
351 | ||
0fa54ff1 | 352 | strict1_warn= |
1f59d204 | 353 | if test $ac_cv_prog_cc_w_no_long_long = yes \ |
1d752508 | 354 | && test $ac_cv_prog_cc_w_no_variadic_macros = yes \ |
355 | && test $ac_cv_prog_cc_w_no_overlength_strings = yes ; then | |
356 | strict1_warn="-pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings" | |
0fa54ff1 | 357 | fi |
0fa54ff1 | 358 | |
c70828fb | 359 | # Add -Wold-style-definition if it's accepted |
360 | AC_CACHE_CHECK( | |
361 | [whether ${CC} accepts -Wold-style-definition], | |
362 | [ac_cv_prog_cc_w_old_style_definition], | |
363 | [save_CFLAGS="$CFLAGS" | |
364 | CFLAGS="-Wold-style-definition" | |
365 | AC_COMPILE_IFELSE([AC_LANG_SOURCE([[]])], | |
366 | [ac_cv_prog_cc_w_old_style_definition=yes], | |
367 | [ac_cv_prog_cc_w_old_style_definition=no]) | |
368 | CFLAGS="$save_CFLAGS" | |
369 | ]) | |
370 | if test $ac_cv_prog_cc_w_old_style_definition = yes ; then | |
371 | strict1_warn="${strict1_warn} -Wold-style-definition" | |
372 | fi | |
373 | ||
3df48165 | 374 | # Add -Wmissing-format-attribute if it's accepted |
375 | AC_CACHE_CHECK( | |
376 | [whether ${CC} accepts -Wmissing-format-attribute], | |
377 | [ac_cv_prog_cc_w_missing_format_attribute], | |
378 | [save_CFLAGS="$CFLAGS" | |
379 | CFLAGS="-Wmissing-format-attribute" | |
380 | AC_COMPILE_IFELSE([AC_LANG_SOURCE([[]])], | |
381 | [ac_cv_prog_cc_w_missing_format_attribute=yes], | |
382 | [ac_cv_prog_cc_w_missing_format_attribute=no]) | |
383 | CFLAGS="$save_CFLAGS" | |
384 | ]) | |
385 | if test $ac_cv_prog_cc_w_missing_format_attribute = yes ; then | |
386 | strict1_warn="${strict1_warn} -Wmissing-format-attribute" | |
387 | fi | |
388 | ||
c0c5068d | 389 | # Enable -Werror, period. |
390 | AC_ARG_ENABLE(werror_always, | |
391 | [ --enable-werror-always enable -Werror always], [], | |
392 | [enable_werror_always=no]) | |
393 | if test x${enable_werror_always} = xyes ; then | |
394 | strict1_warn="${strict1_warn} -Werror" | |
395 | WERROR=-Werror | |
396 | fi | |
397 | ||
3df48165 | 398 | AC_SUBST(strict1_warn) |
399 | ||
4e41d774 | 400 | # Get C++ compatibility warning flag, if supported. |
401 | AC_CACHE_CHECK( | |
402 | [whether ${CC} accepts -Wc++-compat], | |
403 | [ac_cv_prog_cc_w_cxx_compat], | |
404 | [save_CFLAGS="$CFLAGS" | |
405 | CFLAGS="-Wc++-compat" | |
406 | AC_COMPILE_IFELSE([AC_LANG_SOURCE([[]])], | |
407 | [ac_cv_prog_cc_w_cxx_compat=yes], | |
408 | [ac_cv_prog_cc_w_cxx_compat=no]) | |
409 | CFLAGS="$save_CFLAGS" | |
410 | ]) | |
411 | if test x${ac_cv_prog_cc_w_cxx_compat} = xyes; then | |
412 | cxx_compat_warn="-Wc++-compat" | |
413 | fi | |
414 | AC_SUBST(cxx_compat_warn) | |
415 | ||
416 | ||
0fa54ff1 | 417 | # If the native compiler is GCC, we can enable warnings even in stage1. |
418 | # That's useful for people building cross-compilers, or just running a | |
419 | # quick `make'. | |
420 | warn_cflags= | |
421 | if test "x$GCC" = "xyes"; then | |
422 | warn_cflags='$(GCC_WARN_CFLAGS)' | |
423 | fi | |
424 | AC_SUBST(warn_cflags) | |
425 | ||
a179eb24 | 426 | # Enable -Werror in bootstrap stage2 and later. |
1af67e62 | 427 | is_release= |
428 | if test x"`cat $srcdir/DEV-PHASE`" != xexperimental; then | |
429 | is_release=yes | |
430 | fi | |
a179eb24 | 431 | AC_ARG_ENABLE(werror, |
432 | [ --enable-werror enable -Werror in bootstrap stage2 and later], [], | |
997731eb | 433 | [if test x$is_release = x ; then |
434 | # Default to "yes" on development branches. | |
435 | enable_werror=yes | |
436 | else | |
437 | # Default to "no" on release branches. | |
438 | enable_werror=no | |
439 | fi]) | |
a179eb24 | 440 | if test x$enable_werror = xyes ; then |
441 | WERROR=-Werror | |
442 | fi | |
443 | AC_SUBST(WERROR) | |
444 | ||
485205d1 | 445 | # Enable expensive internal checks |
446 | AC_ARG_ENABLE(checking, | |
0c4e40c5 | 447 | [ --enable-checking[=LIST] |
448 | enable expensive run-time checks. With LIST, | |
449 | enable only specific categories of checks. | |
5391b316 | 450 | Categories are: yes,no,all,none,release. |
451 | Flags are: assert,fold,gc,gcac,misc, | |
452 | rtlflag,rtl,runtime,tree,valgrind.], | |
a1fa05f0 | 453 | [ac_checking_flags="${enableval}"],[ |
454 | # Determine the default checks. | |
455 | if test x$is_release = x ; then | |
456 | ac_checking_flags=yes | |
457 | else | |
458 | ac_checking_flags=release | |
459 | fi]) | |
460 | ac_assert_checking=1 | |
461 | ac_checking= | |
5391b316 | 462 | ac_fold_checking= |
463 | ac_gc_checking= | |
464 | ac_gc_always_collect= | |
42f1312d | 465 | ac_rtl_checking= |
b0e7e012 | 466 | ac_rtlflag_checking= |
06350693 | 467 | ac_runtime_checking=1 |
5391b316 | 468 | ac_tree_checking= |
469 | ac_valgrind_checking= | |
a1fa05f0 | 470 | IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS," |
471 | for check in $ac_checking_flags | |
472 | do | |
473 | case $check in | |
5391b316 | 474 | # these set all the flags to specific states |
a1fa05f0 | 475 | yes) ac_assert_checking=1 ; ac_checking=1 ; |
5391b316 | 476 | ac_fold_checking= ; ac_gc_checking=1 ; |
477 | ac_gc_always_collect= ; ac_rtl_checking= ; | |
fcd42b1e | 478 | ac_rtlflag_checking=1 ; ac_runtime_checking=1 ; |
5391b316 | 479 | ac_tree_checking=1 ; ac_valgrind_checking= ;; |
480 | no|none) ac_assert_checking= ; ac_checking= ; | |
481 | ac_fold_checking= ; ac_gc_checking= ; | |
482 | ac_gc_always_collect= ; ac_rtl_checking= ; | |
fcd42b1e | 483 | ac_rtlflag_checking= ; ac_runtime_checking= ; |
5391b316 | 484 | ac_tree_checking= ; ac_valgrind_checking= ;; |
a1fa05f0 | 485 | all) ac_assert_checking=1 ; ac_checking=1 ; |
5391b316 | 486 | ac_fold_checking=1 ; ac_gc_checking=1 ; |
487 | ac_gc_always_collect=1 ; ac_rtl_checking=1 ; | |
488 | ac_rtlflag_checking=1 ; ac_runtime_checking=1 ; | |
489 | ac_tree_checking=1 ; ac_valgrind_checking= ;; | |
490 | release) ac_assert_checking=1 ; ac_checking= ; | |
491 | ac_fold_checking= ; ac_gc_checking= ; | |
492 | ac_gc_always_collect= ; ac_rtl_checking= ; | |
493 | ac_rtlflag_checking= ; ac_runtime_checking=1 ; | |
494 | ac_tree_checking= ; ac_valgrind_checking= ;; | |
495 | # these enable particular checks | |
a1fa05f0 | 496 | assert) ac_assert_checking=1 ;; |
497 | fold) ac_fold_checking=1 ;; | |
498 | gc) ac_gc_checking=1 ;; | |
499 | gcac) ac_gc_always_collect=1 ;; | |
500 | misc) ac_checking=1 ;; | |
a1fa05f0 | 501 | rtl) ac_rtl_checking=1 ;; |
5391b316 | 502 | rtlflag) ac_rtlflag_checking=1 ;; |
06350693 | 503 | runtime) ac_runtime_checking=1 ;; |
a1fa05f0 | 504 | tree) ac_tree_checking=1 ;; |
5391b316 | 505 | valgrind) ac_valgrind_checking=1 ;; |
a1fa05f0 | 506 | *) AC_MSG_ERROR(unknown check category $check) ;; |
507 | esac | |
508 | done | |
509 | IFS="$ac_save_IFS" | |
510 | ||
0d74b24d | 511 | nocommon_flag="" |
42f1312d | 512 | if test x$ac_checking != x ; then |
513 | AC_DEFINE(ENABLE_CHECKING, 1, | |
514 | [Define if you want more run-time sanity checks. This one gets a grab | |
515 | bag of miscellaneous but relatively cheap checks.]) | |
0d74b24d | 516 | nocommon_flag=-fno-common |
42f1312d | 517 | fi |
0d74b24d | 518 | AC_SUBST(nocommon_flag) |
997731eb | 519 | if test x$ac_assert_checking != x ; then |
520 | AC_DEFINE(ENABLE_ASSERT_CHECKING, 1, | |
521 | [Define if you want assertions enabled. This is a cheap check.]) | |
522 | fi | |
fcd42b1e | 523 | GCC_TARGET_TEMPLATE(ENABLE_RUNTIME_CHECKING) |
06350693 | 524 | if test x$ac_runtime_checking != x ; then |
525 | AC_DEFINE(ENABLE_RUNTIME_CHECKING, 1, | |
526 | [Define if you want runtime assertions enabled. This is a cheap check.]) | |
527 | fi | |
42f1312d | 528 | if test x$ac_tree_checking != x ; then |
529 | AC_DEFINE(ENABLE_TREE_CHECKING, 1, | |
530 | [Define if you want all operations on trees (the basic data | |
531 | structure of the front ends) to be checked for dynamic type safety | |
4e7212d1 | 532 | at runtime. This is moderately expensive. The tree browser debugging |
533 | routines will also be enabled by this option. | |
534 | ]) | |
535 | TREEBROWSER=tree-browser.o | |
42f1312d | 536 | fi |
4e7212d1 | 537 | AC_SUBST(TREEBROWSER) |
42f1312d | 538 | if test x$ac_rtl_checking != x ; then |
539 | AC_DEFINE(ENABLE_RTL_CHECKING, 1, | |
540 | [Define if you want all operations on RTL (the basic data structure | |
541 | of the optimizer and back end) to be checked for dynamic type safety | |
542 | at runtime. This is quite expensive.]) | |
543 | fi | |
b0e7e012 | 544 | if test x$ac_rtlflag_checking != x ; then |
545 | AC_DEFINE(ENABLE_RTL_FLAG_CHECKING, 1, | |
546 | [Define if you want RTL flag accesses to be checked against the RTL | |
547 | codes that are supported for each access macro. This is relatively | |
548 | cheap.]) | |
549 | fi | |
42f1312d | 550 | if test x$ac_gc_checking != x ; then |
551 | AC_DEFINE(ENABLE_GC_CHECKING, 1, | |
552 | [Define if you want the garbage collector to do object poisoning and | |
553 | other memory allocation checks. This is quite expensive.]) | |
554 | fi | |
555 | if test x$ac_gc_always_collect != x ; then | |
556 | AC_DEFINE(ENABLE_GC_ALWAYS_COLLECT, 1, | |
557 | [Define if you want the garbage collector to operate in maximally | |
558 | paranoid mode, validating the entire heap and collecting garbage at | |
559 | every opportunity. This is extremely expensive.]) | |
560 | fi | |
fc3df357 | 561 | if test x$ac_fold_checking != x ; then |
562 | AC_DEFINE(ENABLE_FOLD_CHECKING, 1, | |
563 | [Define if you want fold checked that it never destructs its argument. | |
564 | This is quite expensive.]) | |
565 | fi | |
0fa54ff1 | 566 | valgrind_path_defines= |
567 | valgrind_command= | |
3f720cf7 | 568 | |
569 | dnl # This check AC_REQUIREs various stuff, so it *must not* be inside | |
570 | dnl # an if statement. This was the source of very frustrating bugs | |
571 | dnl # in converting to autoconf 2.5x! | |
572 | AC_CHECK_HEADER(valgrind.h, have_valgrind_h=yes, have_valgrind_h=no) | |
573 | ||
5391b316 | 574 | if test x$ac_valgrind_checking != x ; then |
0fa54ff1 | 575 | # It is certainly possible that there's valgrind but no valgrind.h. |
576 | # GCC relies on making annotations so we must have both. | |
a519c4d3 | 577 | AC_MSG_CHECKING(for VALGRIND_DISCARD in <valgrind/memcheck.h>) |
11e66330 | 578 | AC_PREPROC_IFELSE([AC_LANG_SOURCE( |
579 | [[#include <valgrind/memcheck.h> | |
a519c4d3 | 580 | #ifndef VALGRIND_DISCARD |
581 | #error VALGRIND_DISCARD not defined | |
11e66330 | 582 | #endif]])], |
a519c4d3 | 583 | [gcc_cv_header_valgrind_memcheck_h=yes], |
584 | [gcc_cv_header_valgrind_memcheck_h=no]) | |
585 | AC_MSG_RESULT($gcc_cv_header_valgrind_memcheck_h) | |
8adead19 | 586 | AC_MSG_CHECKING(for VALGRIND_DISCARD in <memcheck.h>) |
11e66330 | 587 | AC_PREPROC_IFELSE([AC_LANG_SOURCE( |
588 | [[#include <memcheck.h> | |
8adead19 | 589 | #ifndef VALGRIND_DISCARD |
590 | #error VALGRIND_DISCARD not defined | |
11e66330 | 591 | #endif]])], |
592 | [gcc_cv_header_memcheck_h=yes], | |
593 | [gcc_cv_header_memcheck_h=no]) | |
8adead19 | 594 | AC_MSG_RESULT($gcc_cv_header_memcheck_h) |
0fa54ff1 | 595 | AM_PATH_PROG_WITH_TEST(valgrind_path, valgrind, |
596 | [$ac_dir/$ac_word --version | grep valgrind- >/dev/null 2>&1]) | |
a519c4d3 | 597 | if test "x$valgrind_path" = "x" \ |
598 | || (test $have_valgrind_h = no \ | |
599 | && test $gcc_cv_header_memcheck_h = no \ | |
600 | && test $gcc_cv_header_valgrind_memcheck_h = no); then | |
601 | AC_MSG_ERROR([*** Can't find both valgrind and valgrind/memcheck.h, memcheck.h or valgrind.h]) | |
0fa54ff1 | 602 | fi |
603 | valgrind_path_defines=-DVALGRIND_PATH='\"'$valgrind_path'\"' | |
604 | valgrind_command="$valgrind_path -q" | |
605 | AC_DEFINE(ENABLE_VALGRIND_CHECKING, 1, | |
606 | [Define if you want to run subprograms and generated programs | |
607 | through valgrind (a memory checker). This is extremely expensive.]) | |
a519c4d3 | 608 | if test $gcc_cv_header_valgrind_memcheck_h = yes; then |
609 | AC_DEFINE(HAVE_VALGRIND_MEMCHECK_H, 1, | |
610 | [Define if valgrind's valgrind/memcheck.h header is installed.]) | |
611 | fi | |
8adead19 | 612 | if test $gcc_cv_header_memcheck_h = yes; then |
613 | AC_DEFINE(HAVE_MEMCHECK_H, 1, | |
614 | [Define if valgrind's memcheck.h header is installed.]) | |
615 | fi | |
0fa54ff1 | 616 | fi |
617 | AC_SUBST(valgrind_path_defines) | |
618 | AC_SUBST(valgrind_command) | |
59420fa7 | 619 | |
0acc9e9d | 620 | AC_ARG_ENABLE(mapped-location, |
621 | [ --enable-mapped-location location_t is fileline integer cookie],, | |
622 | enable_mapped_location=no) | |
623 | ||
624 | if test "$enable_mapped_location" = yes ; then | |
625 | AC_DEFINE(USE_MAPPED_LOCATION, 1, | |
626 | [Define if location_t is fileline integer cookie.]) | |
627 | fi | |
628 | ||
d5a37d75 | 629 | # Enable code coverage collection |
630 | AC_ARG_ENABLE(coverage, | |
631 | [ --enable-coverage[=LEVEL] | |
36d91445 | 632 | enable compiler's code coverage collection. |
d5a37d75 | 633 | Use to measure compiler performance and locate |
33987224 | 634 | unused parts of the compiler. With LEVEL, specify |
d5a37d75 | 635 | optimization. Values are opt, noopt, |
636 | default is noopt], | |
637 | [case "${enableval}" in | |
034b0f6e | 638 | yes|noopt) |
639 | coverage_flags="-fprofile-arcs -ftest-coverage -frandom-seed=\$@ -O0" | |
640 | ;; | |
641 | opt) | |
642 | coverage_flags="-fprofile-arcs -ftest-coverage -frandom-seed=\$@ -O2" | |
643 | ;; | |
644 | no) | |
645 | # a.k.a. --disable-coverage | |
646 | coverage_flags="" | |
647 | ;; | |
648 | *) | |
649 | AC_MSG_ERROR(unknown coverage setting $enableval) | |
650 | ;; | |
d5a37d75 | 651 | esac], |
5328265b | 652 | [coverage_flags=""]) |
d5a37d75 | 653 | AC_SUBST(coverage_flags) |
654 | ||
86736f9e | 655 | AC_ARG_ENABLE(gather-detailed-mem-stats, |
656 | [ --enable-gather-detailed-mem-stats enable detailed memory allocation stats gathering], [], | |
657 | [enable_gather_detailed_mem_stats=no]) | |
658 | if test x$enable_gather_detailed_mem_stats = xyes ; then | |
659 | AC_DEFINE(GATHER_STATISTICS, 1, | |
660 | [Define to enable detailed memory allocation stats gathering.]) | |
661 | fi | |
662 | ||
966842d4 | 663 | # ------------------------------- |
664 | # Miscenalleous configure options | |
665 | # ------------------------------- | |
7349ace9 | 666 | |
667 | # With stabs | |
668 | AC_ARG_WITH(stabs, | |
669 | [ --with-stabs arrange to use stabs instead of host debug format], | |
670 | stabs="$with_stabs", | |
671 | stabs=no) | |
672 | ||
7349ace9 | 673 | # Determine whether or not multilibs are enabled. |
674 | AC_ARG_ENABLE(multilib, | |
675 | [ --enable-multilib enable library support for multiple ABIs], | |
676 | [], [enable_multilib=yes]) | |
677 | AC_SUBST(enable_multilib) | |
f7b90398 | 678 | |
70ac8784 | 679 | # Enable __cxa_atexit for C++. |
680 | AC_ARG_ENABLE(__cxa_atexit, | |
681 | [ --enable-__cxa_atexit enable __cxa_atexit for C++], | |
682 | [], []) | |
bc5ae993 | 683 | |
e38498a2 | 684 | # Enable C extension for decimal float if target supports it. |
685 | AC_ARG_ENABLE(decimal-float, | |
686 | [ --enable-decimal-float enable decimal float extension to C], | |
687 | [ | |
688 | if test x$enablevar = xyes ; then | |
689 | case $target in | |
690 | powerpc*-*-linux* | i?86*-*-linux*) | |
f705e144 | 691 | enable_decimal_float=yes |
e38498a2 | 692 | ;; |
693 | *) | |
694 | AC_MSG_WARN(decimal float is not supported for this target, ignored) | |
695 | enable_decimal_float=no | |
696 | ;; | |
697 | esac | |
698 | fi | |
f705e144 | 699 | ], [enable_decimal_float=no]) |
e38498a2 | 700 | |
701 | AC_SUBST(enable_decimal_float) | |
702 | ||
703 | dfp=`if test $enable_decimal_float = yes; then echo 1; else echo 0; fi` | |
704 | AC_DEFINE_UNQUOTED(ENABLE_DECIMAL_FLOAT, $dfp, | |
705 | [Define to 1 to enable decimal float extension to C.]) | |
706 | ||
3e637c99 | 707 | # Enable threads |
708 | # Pass with no value to take the default | |
709 | # Pass with a value to specify a thread package | |
710 | AC_ARG_ENABLE(threads, | |
77eb56d4 | 711 | [ --enable-threads enable thread usage for target GCC |
712 | --enable-threads=LIB use LIB thread package for target GCC],, | |
334c8279 | 713 | [enable_threads='']) |
3e637c99 | 714 | |
c024e802 | 715 | AC_ARG_ENABLE(tls, |
716 | [ --enable-tls enable or disable generation of tls code | |
717 | overriding the assembler check for tls support], | |
718 | [ | |
719 | case $enable_tls in | |
720 | yes | no) ;; | |
721 | *) AC_MSG_ERROR(['$enable_tls' is an invalid value for --enable-tls. | |
722 | Valid choices are 'yes' and 'no'.]) ;; | |
723 | esac | |
724 | ], [enable_tls='']) | |
725 | ||
5c872430 | 726 | AC_ARG_ENABLE(objc-gc, |
727 | [ --enable-objc-gc enable the use of Boehm's garbage collector with | |
77eb56d4 | 728 | the GNU Objective-C runtime], |
7a28a1b6 | 729 | if test x$enable_objc_gc = xno; then |
5c872430 | 730 | objc_boehm_gc='' |
731 | else | |
732 | objc_boehm_gc=1 | |
733 | fi, | |
734 | objc_boehm_gc='') | |
735 | ||
27b15aee | 736 | AC_ARG_WITH(dwarf2, |
77eb56d4 | 737 | [ --with-dwarf2 force the default debug format to be DWARF 2], |
27b15aee | 738 | dwarf2="$with_dwarf2", |
739 | dwarf2=no) | |
740 | ||
a1415e6d | 741 | AC_ARG_ENABLE(shared, |
77eb56d4 | 742 | [ --disable-shared don't provide a shared libgcc], |
10393ad5 | 743 | [ |
744 | case $enable_shared in | |
745 | yes | no) ;; | |
746 | *) | |
747 | enable_shared=no | |
748 | IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:," | |
749 | for pkg in $enableval; do | |
750 | if test "X$pkg" = "Xgcc" || test "X$pkg" = "Xlibgcc"; then | |
751 | enable_shared=yes | |
752 | fi | |
753 | done | |
754 | IFS="$ac_save_ifs" | |
755 | ;; | |
756 | esac | |
757 | ], [enable_shared=yes]) | |
a1415e6d | 758 | AC_SUBST(enable_shared) |
759 | ||
a99be165 | 760 | AC_ARG_WITH(build-sysroot, |
761 | [ --with-build-sysroot=sysroot | |
762 | use sysroot as the system root during the build]) | |
763 | ||
805e22b2 | 764 | AC_ARG_WITH(sysroot, |
765 | [ --with-sysroot[=DIR] Search for usr/lib, usr/include, et al, within DIR.], | |
766 | [ | |
767 | case ${with_sysroot} in | |
d58156a1 | 768 | yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_noncanonical}/sys-root' ;; |
805e22b2 | 769 | *) TARGET_SYSTEM_ROOT=$with_sysroot ;; |
770 | esac | |
771 | ||
772 | TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"' | |
773 | CROSS_SYSTEM_HEADER_DIR='$(TARGET_SYSTEM_ROOT)$(NATIVE_SYSTEM_HEADER_DIR)' | |
5e368ffe | 774 | |
17acc97a | 775 | if test "x$exec_prefix" = xNONE; then |
776 | if test "x$prefix" = xNONE; then | |
777 | test_prefix=/usr/local | |
778 | else | |
779 | test_prefix=$prefix | |
780 | fi | |
781 | else | |
782 | test_prefix=$exec_prefix | |
783 | fi | |
784 | case ${TARGET_SYSTEM_ROOT} in | |
c323a7f4 | 785 | "${test_prefix}"|"${test_prefix}/"*|\ |
786 | '${exec_prefix}'|'${exec_prefix}/'*) | |
17acc97a | 787 | t="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE" |
788 | TARGET_SYSTEM_ROOT_DEFINE="$t" | |
789 | ;; | |
790 | esac | |
805e22b2 | 791 | ], [ |
792 | TARGET_SYSTEM_ROOT= | |
d68c6656 | 793 | TARGET_SYSTEM_ROOT_DEFINE= |
805e22b2 | 794 | CROSS_SYSTEM_HEADER_DIR='$(gcc_tooldir)/sys-include' |
795 | ]) | |
796 | AC_SUBST(TARGET_SYSTEM_ROOT) | |
797 | AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE) | |
798 | AC_SUBST(CROSS_SYSTEM_HEADER_DIR) | |
799 | ||
40109983 | 800 | # Build with intermodule optimisations |
40109983 | 801 | AC_ARG_ENABLE(intermodule, |
802 | [ --enable-intermodule build the compiler in one step], | |
9285d7bb | 803 | [case ${enable_intermodule} in |
804 | yes) onestep="-onestep";; | |
805 | *) onestep="";; | |
806 | esac], | |
807 | [onestep=""]) | |
40109983 | 808 | AC_SUBST(onestep) |
809 | ||
c24c5e46 | 810 | # Sanity check enable_languages in case someone does not run the toplevel |
811 | # configure # script. | |
812 | AC_ARG_ENABLE(languages, | |
813 | [ --enable-languages=LIST specify which front-ends to build], | |
814 | [case ,${enable_languages}, in | |
815 | ,,|,yes,) | |
816 | # go safe -- we cannot be much sure without the toplevel | |
817 | # configure's | |
818 | # analysis of which target libs are present and usable | |
819 | enable_languages=c | |
820 | ;; | |
821 | *,all,*) | |
822 | AC_MSG_ERROR([only the toplevel supports --enable-languages=all]) | |
823 | ;; | |
824 | *,c,*) | |
825 | ;; | |
826 | *) | |
827 | enable_languages=c,${enable_languages} | |
828 | ;; | |
829 | esac], | |
830 | [enable_languages=c]) | |
831 | ||
18f327f7 | 832 | # Used by documentation targets |
833 | AC_SUBST(datarootdir) | |
834 | AC_SUBST(docdir) | |
835 | AC_SUBST(htmldir) | |
c24c5e46 | 836 | |
966842d4 | 837 | # ------------------------- |
838 | # Checks for other programs | |
839 | # ------------------------- | |
6f63674e | 840 | |
0dbd1c74 | 841 | AC_PROG_MAKE_SET |
842 | ||
01dc27ef | 843 | # Find some useful tools |
844 | AC_PROG_AWK | |
e8b212b8 | 845 | # We need awk to create options.c and options.h. |
b007b385 | 846 | # Bail out if it's missing. |
847 | case ${AWK} in | |
848 | "") AC_MSG_ERROR([can't build without awk, bailing out]) ;; | |
849 | esac | |
850 | ||
f9708620 | 851 | gcc_AC_PROG_LN_S |
599a3eac | 852 | ACX_PROG_LN($LN_S) |
01dc27ef | 853 | AC_PROG_RANLIB |
72318bfa | 854 | case "${host}" in |
855 | *-*-darwin*) | |
856 | # By default, the Darwin ranlib will not treat common symbols as | |
857 | # definitions when building the archive table of contents. Other | |
858 | # ranlibs do that; pass an option to the Darwin ranlib that makes | |
859 | # it behave similarly. | |
860 | ranlib_flags="-c" | |
861 | ;; | |
862 | *) | |
863 | ranlib_flags="" | |
864 | esac | |
865 | AC_SUBST(ranlib_flags) | |
866 | ||
f9708620 | 867 | gcc_AC_PROG_INSTALL |
01dc27ef | 868 | |
8fea036f | 869 | # See if cmp has --ignore-initial. |
870 | gcc_AC_PROG_CMP_IGNORE_INITIAL | |
871 | ||
72f3368f | 872 | # See if we have the mktemp command. |
873 | AC_CHECK_PROG(have_mktemp_command, mktemp, yes, no) | |
874 | ||
a1ad7483 | 875 | MISSING="${CONFIG_SHELL-/bin/sh} $srcdir/../missing" |
876 | ||
877 | # See if makeinfo has been installed and is modern enough | |
878 | # that we can use it. | |
879 | gcc_AC_CHECK_PROG_VER(MAKEINFO, makeinfo, --version, | |
049ccec1 | 880 | [GNU texinfo.* \([0-9][0-9.]*\)], |
cf638329 | 881 | [4.[4-9]*]) |
049ccec1 | 882 | if test $gcc_cv_prog_makeinfo_modern = no; then |
a1ad7483 | 883 | MAKEINFO="$MISSING makeinfo" |
049ccec1 | 884 | AC_MSG_WARN([ |
885 | *** Makeinfo is missing or too old. | |
c94ba072 | 886 | *** Info documentation will not be built.]) |
049ccec1 | 887 | BUILD_INFO= |
049ccec1 | 888 | else |
a1ad7483 | 889 | BUILD_INFO=info |
049ccec1 | 890 | fi |
a1ad7483 | 891 | AC_SUBST(BUILD_INFO) |
049ccec1 | 892 | |
0dd06be9 | 893 | # Is pod2man recent enough to regenerate manpages? |
894 | AC_MSG_CHECKING([for recent Pod::Man]) | |
7e8ebf06 | 895 | if (perl -e 'use 1.10 Pod::Man') >/dev/null 2>&1; then |
fefb5ea6 | 896 | AC_MSG_RESULT(yes) |
a1ad7483 | 897 | GENERATED_MANPAGES=generated-manpages |
fefb5ea6 | 898 | else |
899 | AC_MSG_RESULT(no) | |
900 | GENERATED_MANPAGES= | |
901 | fi | |
a1ad7483 | 902 | AC_SUBST(GENERATED_MANPAGES) |
fefb5ea6 | 903 | |
345a1501 | 904 | # How about lex? |
905 | dnl Don't use AC_PROG_LEX; we insist on flex. | |
906 | dnl LEXLIB is not useful in gcc. | |
a1ad7483 | 907 | AC_CHECK_PROGS([FLEX], flex, [$MISSING flex]) |
345a1501 | 908 | |
909 | # Bison? | |
a1ad7483 | 910 | AC_CHECK_PROGS([BISON], bison, [$MISSING bison]) |
911 | ||
912 | # Binutils are not build modules, unlike bison/flex/makeinfo. So we | |
913 | # check for build == host before using them. | |
345a1501 | 914 | |
6ac26439 | 915 | # NM |
28c79bfe | 916 | if test x${build} = x${host} && test -f $srcdir/../binutils/nm.c \ |
917 | && test -d ../binutils ; then | |
6ac26439 | 918 | NM='$(objdir)/../binutils/nm-new' |
919 | else | |
920 | AC_CHECK_PROG(NM, nm, nm, ${CONFIG_SHELL-/bin/sh} ${srcdir}/../missing nm) | |
921 | fi | |
922 | ||
923 | # AR | |
28c79bfe | 924 | if test x${build} = x${host} && test -f $srcdir/../binutils/ar.c \ |
925 | && test -d ../binutils ; then | |
6ac26439 | 926 | AR='$(objdir)/../binutils/ar' |
927 | else | |
928 | AC_CHECK_PROG(AR, ar, ar, ${CONFIG_SHELL-/bin/sh} ${srcdir}/../missing ar) | |
929 | fi | |
930 | ||
931 | ||
966842d4 | 932 | # -------------------- |
933 | # Checks for C headers | |
934 | # -------------------- | |
935 | ||
936 | AC_MSG_CHECKING(for GNU C library) | |
937 | AC_CACHE_VAL(gcc_cv_glibc, | |
11e66330 | 938 | [AC_COMPILE_IFELSE([AC_LANG_PROGRAM( |
939 | [[#include <features.h>]], [[ | |
966842d4 | 940 | #if ! (defined __GLIBC__ || defined __GNU_LIBRARY__) |
941 | #error Not a GNU C library system | |
11e66330 | 942 | #endif]])], |
943 | [gcc_cv_glibc=yes], | |
944 | [gcc_cv_glibc=no])]) | |
966842d4 | 945 | AC_MSG_RESULT($gcc_cv_glibc) |
946 | if test $gcc_cv_glibc = yes; then | |
947 | AC_DEFINE(_GNU_SOURCE, 1, [Always define this when using the GNU C Library]) | |
948 | fi | |
949 | ||
2cd18f76 | 950 | # Need to reject headers which give warnings, so that the -Werror bootstrap |
951 | # works later. *sigh* This needs to come before all header checks. | |
952 | AC_PROG_CPP_WERROR | |
953 | ||
966842d4 | 954 | AC_HEADER_STDC |
955 | AC_HEADER_TIME | |
d856c8a6 | 956 | ACX_HEADER_STRING |
966842d4 | 957 | AC_HEADER_SYS_WAIT |
e5d424c9 | 958 | AC_CHECK_HEADERS(limits.h stddef.h string.h strings.h stdlib.h time.h iconv.h \ |
9f0cea1b | 959 | fcntl.h unistd.h sys/file.h sys/time.h sys/mman.h \ |
966842d4 | 960 | sys/resource.h sys/param.h sys/times.h sys/stat.h \ |
c6976b58 | 961 | direct.h malloc.h langinfo.h ldfcn.h locale.h wchar.h) |
966842d4 | 962 | |
963 | # Check for thread headers. | |
964 | AC_CHECK_HEADER(thread.h, [have_thread_h=yes], [have_thread_h=]) | |
965 | AC_CHECK_HEADER(pthread.h, [have_pthread_h=yes], [have_pthread_h=]) | |
966 | ||
967 | # These tests can't be done till we know if we have limits.h. | |
968 | gcc_AC_C_CHAR_BIT | |
fd158959 | 969 | AC_C_BIGENDIAN |
966842d4 | 970 | |
971 | # -------- | |
972 | # UNSORTED | |
973 | # -------- | |
974 | ||
975 | # Stage specific cflags for build. | |
976 | stage1_cflags= | |
977 | case $build in | |
978 | vax-*-*) | |
979 | if test x$GCC = xyes | |
980 | then | |
981 | stage1_cflags="-Wa,-J" | |
982 | else | |
983 | stage1_cflags="-J" | |
984 | fi | |
985 | ;; | |
84eba009 | 986 | powerpc*-*-darwin*) |
966842d4 | 987 | # The spiffy cpp-precomp chokes on some legitimate constructs in GCC |
988 | # sources; use -no-cpp-precomp to get to GNU cpp. | |
989 | # Apple's GCC has bugs in designated initializer handling, so disable | |
990 | # that too. | |
991 | stage1_cflags="-no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0" | |
992 | ;; | |
993 | esac | |
994 | AC_SUBST(stage1_cflags) | |
995 | ||
45449d9f | 996 | # These libraries may be used by collect2. |
997 | # We may need a special search path to get them linked. | |
998 | AC_CACHE_CHECK(for collect2 libraries, gcc_cv_collect2_libs, | |
999 | [save_LIBS="$LIBS" | |
8e01c6f6 | 1000 | for libs in '' -lld -lmld \ |
45449d9f | 1001 | '-L/usr/lib/cmplrs/cc2.11 -lmld' \ |
1002 | '-L/usr/lib/cmplrs/cc3.11 -lmld' | |
1003 | do | |
1004 | LIBS="$libs" | |
1005 | AC_TRY_LINK_FUNC(ldopen, | |
1006 | [gcc_cv_collect2_libs="$libs"; break]) | |
1007 | done | |
1008 | LIBS="$save_LIBS" | |
1009 | test -z "$gcc_cv_collect2_libs" && gcc_cv_collect2_libs='none required']) | |
1010 | case $gcc_cv_collect2_libs in | |
1011 | "none required") ;; | |
1012 | *) COLLECT2_LIBS=$gcc_cv_collect2_libs ;; | |
1013 | esac | |
1014 | AC_SUBST(COLLECT2_LIBS) | |
1015 | ||
8e01c6f6 | 1016 | # When building Ada code on Alpha, we need exc_resume which is usually in |
1017 | # -lexc. So test for it. | |
1018 | save_LIBS="$LIBS" | |
1019 | LIBS= | |
1020 | AC_SEARCH_LIBS(exc_resume, exc) | |
1021 | GNAT_LIBEXC="$LIBS" | |
1022 | LIBS="$save_LIBS" | |
1023 | AC_SUBST(GNAT_LIBEXC) | |
1024 | ||
96b74343 | 1025 | # Some systems put ldexp and frexp in libm instead of libc; assume |
1026 | # they're both in the same place. jcf-dump needs them. | |
1027 | save_LIBS="$LIBS" | |
1028 | LIBS= | |
1029 | AC_SEARCH_LIBS(ldexp, m) | |
1030 | LDEXP_LIB="$LIBS" | |
1031 | LIBS="$save_LIBS" | |
1032 | AC_SUBST(LDEXP_LIB) | |
1033 | ||
a3477a0e | 1034 | # Use <inttypes.h> only if it exists, |
1035 | # doesn't clash with <sys/types.h>, and declares intmax_t. | |
1036 | AC_MSG_CHECKING(for inttypes.h) | |
1037 | AC_CACHE_VAL(gcc_cv_header_inttypes_h, | |
11e66330 | 1038 | [AC_COMPILE_IFELSE([AC_LANG_PROGRAM( |
1039 | [[#include <sys/types.h> | |
1040 | #include <inttypes.h>]], | |
1041 | [[intmax_t i = -1;]])], | |
fd80090d | 1042 | [gcc_cv_header_inttypes_h=yes], |
11e66330 | 1043 | [gcc_cv_header_inttypes_h=no])]) |
a3477a0e | 1044 | AC_MSG_RESULT($gcc_cv_header_inttypes_h) |
fd80090d | 1045 | if test $gcc_cv_header_inttypes_h = yes; then |
42f1312d | 1046 | AC_DEFINE(HAVE_INTTYPES_H, 1, |
1047 | [Define if you have a working <inttypes.h> header file.]) | |
fd80090d | 1048 | fi |
805483cf | 1049 | |
aab9bda6 | 1050 | dnl Disabled until we have a complete test for buggy enum bitfields. |
1051 | dnl gcc_AC_C_ENUM_BF_UNSIGNED | |
488c4206 | 1052 | |
077a3c99 | 1053 | define(gcc_UNLOCKED_FUNCS, clearerr_unlocked feof_unlocked dnl |
1054 | ferror_unlocked fflush_unlocked fgetc_unlocked fgets_unlocked dnl | |
1055 | fileno_unlocked fprintf_unlocked fputc_unlocked fputs_unlocked dnl | |
1056 | fread_unlocked fwrite_unlocked getchar_unlocked getc_unlocked dnl | |
1057 | putchar_unlocked putc_unlocked) | |
b88c06b5 | 1058 | AC_CHECK_FUNCS(times clock kill getrlimit setrlimit atoll atoq \ |
077a3c99 | 1059 | sysconf strsignal getrusage nl_langinfo scandir alphasort \ |
1060 | gettimeofday mbstowcs wcswidth mmap mincore setlocale \ | |
1061 | gcc_UNLOCKED_FUNCS) | |
4211624c | 1062 | |
b503c1a2 | 1063 | if test x$ac_cv_func_mbstowcs = xyes; then |
1064 | AC_CACHE_CHECK(whether mbstowcs works, gcc_cv_func_mbstowcs_works, | |
11e66330 | 1065 | [ AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdlib.h> |
b503c1a2 | 1066 | int main() |
1067 | { | |
1068 | mbstowcs(0, "", 0); | |
1069 | return 0; | |
11e66330 | 1070 | }]])], |
1071 | [gcc_cv_func_mbstowcs_works=yes], | |
1072 | [gcc_cv_func_mbstowcs_works=no], | |
1073 | [gcc_cv_func_mbstowcs_works=yes])]) | |
b503c1a2 | 1074 | if test x$gcc_cv_func_mbstowcs_works = xyes; then |
1075 | AC_DEFINE(HAVE_WORKING_MBSTOWCS, 1, | |
1076 | [Define this macro if mbstowcs does not crash when its | |
1077 | first argument is NULL.]) | |
1078 | fi | |
1079 | fi | |
1080 | ||
478a5aa8 | 1081 | AC_CHECK_TYPE(ssize_t, int) |
33a62e3f | 1082 | |
2382c341 | 1083 | # Try to determine the array type of the second argument of getgroups |
1084 | # for the target system (int or gid_t). | |
1085 | AC_TYPE_GETGROUPS | |
1086 | if test "${target}" = "${build}"; then | |
1087 | TARGET_GETGROUPS_T=$ac_cv_type_getgroups | |
1088 | else | |
1089 | case "${target}" in | |
1090 | # This condition may need some tweaking. It should include all | |
1091 | # targets where the array type of the second argument of getgroups | |
1092 | # is int and the type of gid_t is not equivalent to int. | |
1093 | *-*-sunos* | *-*-ultrix*) | |
1094 | TARGET_GETGROUPS_T=int | |
1095 | ;; | |
1096 | *) | |
1097 | TARGET_GETGROUPS_T=gid_t | |
1098 | ;; | |
1099 | esac | |
1100 | fi | |
1101 | AC_SUBST(TARGET_GETGROUPS_T) | |
1102 | ||
9f0cea1b | 1103 | gcc_AC_FUNC_MMAP_BLACKLIST |
f1959ea2 | 1104 | |
1105 | case "${host}" in | |
8f966bdb | 1106 | *-*-*vms*) |
0d4639d6 | 1107 | # Under VMS, vfork works very differently than on Unix. The standard test |
8f966bdb | 1108 | # won't work, and it isn't easily adaptable. It makes more sense to |
1109 | # just force it. | |
1110 | ac_cv_func_vfork_works=yes | |
1111 | ;; | |
f1959ea2 | 1112 | esac |
11e66330 | 1113 | AC_FUNC_FORK |
0a0a425e | 1114 | |
7093ff41 | 1115 | AM_ICONV |
c6976b58 | 1116 | # Until we have in-tree GNU iconv: |
1117 | LIBICONV_DEP= | |
1118 | AC_SUBST(LIBICONV_DEP) | |
1119 | ||
1120 | AM_LC_MESSAGES | |
7093ff41 | 1121 | |
ac31415f | 1122 | AM_LANGINFO_CODESET |
1123 | ||
3c014a93 | 1124 | # We will need to find libiberty.h and ansidecl.h |
1125 | saved_CFLAGS="$CFLAGS" | |
1126 | CFLAGS="$CFLAGS -I${srcdir} -I${srcdir}/../include" | |
9b1f316f | 1127 | gcc_AC_CHECK_DECLS(getenv atol asprintf sbrk abort atof getcwd getwd \ |
1128 | strsignal strstr strverscmp \ | |
1129 | errno snprintf vsnprintf vasprintf malloc realloc calloc \ | |
7e5ef2ef | 1130 | free basename getopt clock getpagesize gcc_UNLOCKED_FUNCS, , ,[ |
673b6e5a | 1131 | #include "ansidecl.h" |
3c014a93 | 1132 | #include "system.h"]) |
7014838c | 1133 | |
07c927cb | 1134 | gcc_AC_CHECK_DECLS(getrlimit setrlimit getrusage, , ,[ |
673b6e5a | 1135 | #include "ansidecl.h" |
3c014a93 | 1136 | #include "system.h" |
436f5383 | 1137 | #ifdef HAVE_SYS_RESOURCE_H |
1138 | #include <sys/resource.h> | |
1139 | #endif | |
1140 | ]) | |
1141 | ||
11e66330 | 1142 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ |
c1b9d008 | 1143 | #include "ansidecl.h" |
1144 | #include "system.h" | |
1145 | #ifdef HAVE_SYS_RESOURCE_H | |
1146 | #include <sys/resource.h> | |
1147 | #endif | |
11e66330 | 1148 | ]], [[rlim_t l = 0;]])],[],[AC_DEFINE([rlim_t],[long], |
c1b9d008 | 1149 | [Define to \`long' if <sys/resource.h> doesn't define.])]) |
1150 | ||
d71e0d30 | 1151 | # On AIX 5.2, <ldfcn.h> conflicts with <fcntl.h>, as both define incompatible |
1152 | # FREAD and FWRITE macros. Fortunately, for GCC's single usage of ldgetname | |
1153 | # in collect2.c, <fcntl.h> isn't visible, but the configure test below needs | |
1154 | # to undef these macros to get the correct value for HAVE_DECL_LDGETNAME. | |
31a83412 | 1155 | gcc_AC_CHECK_DECLS(ldgetname, , ,[ |
1156 | #include "ansidecl.h" | |
1157 | #include "system.h" | |
1158 | #ifdef HAVE_LDFCN_H | |
d71e0d30 | 1159 | #undef FREAD |
1160 | #undef FWRITE | |
31a83412 | 1161 | #include <ldfcn.h> |
1162 | #endif | |
1163 | ]) | |
1164 | ||
c770a4cb | 1165 | gcc_AC_CHECK_DECLS(times, , ,[ |
1166 | #include "ansidecl.h" | |
1167 | #include "system.h" | |
1168 | #ifdef HAVE_SYS_TIMES_H | |
1169 | #include <sys/times.h> | |
1170 | #endif | |
1171 | ]) | |
1172 | ||
168c58e0 | 1173 | gcc_AC_CHECK_DECLS(sigaltstack, , ,[ |
1174 | #include "ansidecl.h" | |
1175 | #include "system.h" | |
1176 | #include <signal.h> | |
1177 | ]) | |
1178 | ||
c770a4cb | 1179 | # More time-related stuff. |
1180 | AC_CACHE_CHECK(for struct tms, ac_cv_struct_tms, [ | |
11e66330 | 1181 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ |
c770a4cb | 1182 | #include "ansidecl.h" |
1183 | #include "system.h" | |
1184 | #ifdef HAVE_SYS_TIMES_H | |
1185 | #include <sys/times.h> | |
1186 | #endif | |
11e66330 | 1187 | ]], [[struct tms tms;]])],[ac_cv_struct_tms=yes],[ac_cv_struct_tms=no])]) |
c770a4cb | 1188 | if test $ac_cv_struct_tms = yes; then |
1189 | AC_DEFINE(HAVE_STRUCT_TMS, 1, | |
1190 | [Define if <sys/times.h> defines struct tms.]) | |
1191 | fi | |
1192 | ||
1193 | # use gcc_cv_* here because this doesn't match the behavior of AC_CHECK_TYPE. | |
1194 | # revisit after autoconf 2.50. | |
1195 | AC_CACHE_CHECK(for clock_t, gcc_cv_type_clock_t, [ | |
11e66330 | 1196 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ |
c770a4cb | 1197 | #include "ansidecl.h" |
1198 | #include "system.h" | |
11e66330 | 1199 | ]], [[clock_t x;]])],[gcc_cv_type_clock_t=yes],[gcc_cv_type_clock_t=no])]) |
c770a4cb | 1200 | if test $gcc_cv_type_clock_t = yes; then |
1201 | AC_DEFINE(HAVE_CLOCK_T, 1, | |
1202 | [Define if <time.h> defines clock_t.]) | |
1203 | fi | |
1204 | ||
3c014a93 | 1205 | # Restore CFLAGS from before the gcc_AC_NEED_DECLARATIONS tests. |
1206 | CFLAGS="$saved_CFLAGS" | |
1207 | ||
24d1674d | 1208 | gcc_AC_INITFINI_ARRAY |
1209 | ||
a729d1c3 | 1210 | # mkdir takes a single argument on some systems. |
f9708620 | 1211 | gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG |
a729d1c3 | 1212 | |
01dc27ef | 1213 | # File extensions |
1214 | manext='.1' | |
1215 | objext='.o' | |
01dc27ef | 1216 | AC_SUBST(manext) |
1217 | AC_SUBST(objext) | |
01dc27ef | 1218 | |
805e22b2 | 1219 | # With Setjmp/Longjmp based exception handling. |
1220 | AC_ARG_ENABLE(sjlj-exceptions, | |
1221 | [ --enable-sjlj-exceptions | |
1222 | arrange to use setjmp/longjmp exception handling], | |
1223 | [sjlj=`if test $enableval = yes; then echo 1; else echo 0; fi` | |
1224 | AC_DEFINE_UNQUOTED(CONFIG_SJLJ_EXCEPTIONS, $sjlj, | |
1225 | [Define 0/1 to force the choice for exception handling model.])]) | |
1226 | ||
8bdf23ae | 1227 | # For platforms with the unwind ABI which includes an unwind library, |
1228 | # libunwind, we can choose to use the system libunwind. | |
1229 | AC_ARG_WITH(system-libunwind, | |
1230 | [ --with-system-libunwind use installed libunwind]) | |
805e22b2 | 1231 | |
f406e07e | 1232 | # config.gcc also contains tests of with_system_libunwind. |
1233 | if test x$with_system_libunwind = xyes; then | |
1234 | AC_DEFINE(HAVE_GETIPINFO, 1, | |
1235 | [Define to 1 if system unwind library has _Unwind_GetIPInfo.]) | |
1236 | fi | |
1237 | ||
7349ace9 | 1238 | # -------------------------------------------------------- |
1239 | # Build, host, and target specific configuration fragments | |
1240 | # -------------------------------------------------------- | |
1241 | ||
eab1a815 | 1242 | # Collect build-machine-specific information. |
1243 | . ${srcdir}/config.build | |
1244 | ||
973f8bf3 | 1245 | # Collect host-machine-specific information. |
1246 | . ${srcdir}/config.host | |
1247 | ||
eb1bd38b | 1248 | target_gtfiles= |
973f8bf3 | 1249 | |
1250 | # Collect target-machine-specific information. | |
09c6646e | 1251 | . ${srcdir}/config.gcc |
01dc27ef | 1252 | |
1253 | extra_objs="${host_extra_objs} ${extra_objs}" | |
69eb04f7 | 1254 | extra_gcc_objs="${host_extra_gcc_objs} ${extra_gcc_objs}" |
01dc27ef | 1255 | |
1256 | # Default the target-machine variables that were not explicitly set. | |
bf3637a9 | 1257 | if test x"$tm_file" = x |
01dc27ef | 1258 | then tm_file=$cpu_type/$cpu_type.h; fi |
1259 | ||
2a8be21e | 1260 | if test x"$extra_headers" = x |
01dc27ef | 1261 | then extra_headers=; fi |
1262 | ||
bf3637a9 | 1263 | if test x$md_file = x |
0579e60e | 1264 | then md_file=$cpu_type/$cpu_type.md; fi |
01dc27ef | 1265 | |
bf3637a9 | 1266 | if test x$out_file = x |
01dc27ef | 1267 | then out_file=$cpu_type/$cpu_type.c; fi |
1268 | ||
bf3637a9 | 1269 | if test x"$tmake_file" = x |
01dc27ef | 1270 | then tmake_file=$cpu_type/t-$cpu_type |
1271 | fi | |
1272 | ||
27b15aee | 1273 | if test x"$dwarf2" = xyes |
b65d2e3c | 1274 | then tm_file="$tm_file tm-dwarf2.h" |
27b15aee | 1275 | fi |
1276 | ||
01dc27ef | 1277 | # Say what files are being used for the output code and MD file. |
83b8e55b | 1278 | echo "Using \`$srcdir/config/$out_file' for machine-specific logic." |
01dc27ef | 1279 | echo "Using \`$srcdir/config/$md_file' as machine description file." |
1280 | ||
83b8e55b | 1281 | # If any of the xm_file variables contain nonexistent files, warn |
e1688c3e | 1282 | # about them and drop them. |
1283 | ||
83b8e55b | 1284 | bx= |
1285 | for x in $build_xm_file; do | |
1286 | if test -f $srcdir/config/$x | |
1287 | then bx="$bx $x" | |
83b8e55b | 1288 | else AC_MSG_WARN($srcdir/config/$x does not exist.) |
1289 | fi | |
1290 | done | |
1291 | build_xm_file="$bx" | |
1292 | ||
1293 | hx= | |
1294 | for x in $host_xm_file; do | |
1295 | if test -f $srcdir/config/$x | |
1296 | then hx="$hx $x" | |
83b8e55b | 1297 | else AC_MSG_WARN($srcdir/config/$x does not exist.) |
1298 | fi | |
1299 | done | |
1300 | host_xm_file="$hx" | |
1301 | ||
1302 | tx= | |
1303 | for x in $xm_file; do | |
1304 | if test -f $srcdir/config/$x | |
1305 | then tx="$tx $x" | |
83b8e55b | 1306 | else AC_MSG_WARN($srcdir/config/$x does not exist.) |
1307 | fi | |
1308 | done | |
1309 | xm_file="$tx" | |
1310 | ||
01dc27ef | 1311 | count=a |
1312 | for f in $tm_file; do | |
1313 | count=${count}x | |
1314 | done | |
bf3637a9 | 1315 | if test $count = ax; then |
01dc27ef | 1316 | echo "Using \`$srcdir/config/$tm_file' as target machine macro file." |
1317 | else | |
1318 | echo "Using the following target machine macro files:" | |
1319 | for f in $tm_file; do | |
1320 | echo " $srcdir/config/$f" | |
1321 | done | |
1322 | fi | |
1323 | ||
805e22b2 | 1324 | if test x$need_64bit_hwint = xyes; then |
1325 | AC_DEFINE(NEED_64BIT_HOST_WIDE_INT, 1, | |
1326 | [Define to 1 if HOST_WIDE_INT must be 64 bits wide (see hwint.h).]) | |
1327 | fi | |
1328 | ||
3f28a032 | 1329 | if test x$use_long_long_for_widest_fast_int = xyes; then |
1330 | AC_DEFINE(USE_LONG_LONG_FOR_WIDEST_FAST_INT, 1, | |
1331 | [Define to 1 if the 'long long' (or '__int64') is wider than 'long' but still | |
1332 | efficiently supported by the host hardware.]) | |
1333 | fi | |
1334 | ||
01dc27ef | 1335 | count=a |
1336 | for f in $host_xm_file; do | |
1337 | count=${count}x | |
1338 | done | |
83b8e55b | 1339 | if test $count = a; then |
1340 | : | |
1341 | elif test $count = ax; then | |
01dc27ef | 1342 | echo "Using \`$srcdir/config/$host_xm_file' as host machine macro file." |
1343 | else | |
1344 | echo "Using the following host machine macro files:" | |
1345 | for f in $host_xm_file; do | |
1346 | echo " $srcdir/config/$f" | |
1347 | done | |
1348 | fi | |
b197fbcf | 1349 | echo "Using ${out_host_hook_obj} for host machine hooks." |
01dc27ef | 1350 | |
bf3637a9 | 1351 | if test "$host_xm_file" != "$build_xm_file"; then |
01dc27ef | 1352 | count=a |
1353 | for f in $build_xm_file; do | |
1354 | count=${count}x | |
1355 | done | |
83b8e55b | 1356 | if test $count = a; then |
1357 | : | |
1358 | elif test $count = ax; then | |
01dc27ef | 1359 | echo "Using \`$srcdir/config/$build_xm_file' as build machine macro file." |
1360 | else | |
1361 | echo "Using the following build machine macro files:" | |
1362 | for f in $build_xm_file; do | |
1363 | echo " $srcdir/config/$f" | |
1364 | done | |
1365 | fi | |
1366 | fi | |
1367 | ||
168c58e0 | 1368 | case ${host} in |
84eba009 | 1369 | powerpc*-*-darwin*) |
168c58e0 | 1370 | AC_CACHE_CHECK([whether mcontext_t fields have underscores], |
1371 | gcc_cv_mcontext_underscores, | |
1372 | AC_COMPILE_IFELSE([ | |
679f19b4 | 1373 | #include <sys/signal.h> |
168c58e0 | 1374 | #include <ucontext.h> |
1375 | int main() { mcontext_t m; if (m->ss.srr0) return 0; return 0; } | |
1376 | ], | |
1377 | gcc_cv_mcontext_underscores=no, gcc_cv_mcontext_underscores=yes)) | |
1378 | if test $gcc_cv_mcontext_underscores = yes; then | |
1379 | AC_DEFINE(HAS_MCONTEXT_T_UNDERSCORES,,dnl | |
1380 | [mcontext_t fields start with __]) | |
1381 | fi | |
1382 | ;; | |
1383 | esac | |
1384 | ||
d976f534 | 1385 | # --------- |
1386 | # Threading | |
1387 | # --------- | |
1388 | ||
267d993c | 1389 | # Check if a valid thread package |
334c8279 | 1390 | case ${enable_threads} in |
267d993c | 1391 | "" | no) |
1392 | # No threads | |
1393 | target_thread_file='single' | |
1394 | ;; | |
1395 | yes) | |
1396 | # default | |
1397 | target_thread_file='single' | |
1398 | ;; | |
8fde03ba | 1399 | aix | dce | gnat | irix | posix | posix95 | rtems | \ |
5614d3f5 | 1400 | single | solaris | vxworks | win32 ) |
334c8279 | 1401 | target_thread_file=${enable_threads} |
267d993c | 1402 | ;; |
1403 | *) | |
334c8279 | 1404 | echo "${enable_threads} is an unknown thread package" 1>&2 |
267d993c | 1405 | exit 1 |
1406 | ;; | |
1407 | esac | |
1408 | ||
1409 | if test x${thread_file} = x; then | |
1410 | # No thread file set by target-specific clauses in config.gcc, | |
1411 | # so use file chosen by default logic above | |
1412 | thread_file=${target_thread_file} | |
01dc27ef | 1413 | fi |
01dc27ef | 1414 | |
d976f534 | 1415 | # Make gthr-default.h if we have a thread file. |
1416 | gthread_flags= | |
1417 | if test $thread_file != single; then | |
1418 | rm -f gthr-default.h | |
1419 | echo "#include \"gthr-${thread_file}.h\"" > gthr-default.h | |
1420 | gthread_flags=-DHAVE_GTHR_DEFAULT | |
1421 | fi | |
1422 | AC_SUBST(gthread_flags) | |
1423 | ||
1424 | # -------- | |
1425 | # UNSORTED | |
1426 | # -------- | |
1427 | ||
d9ab9cb9 | 1428 | use_cxa_atexit=no |
bc5ae993 | 1429 | if test x$enable___cxa_atexit = xyes || \ |
1430 | test x$enable___cxa_atexit = x -a x$default_use_cxa_atexit = xyes; then | |
d9ab9cb9 | 1431 | if test x$host = x$target; then |
d91ef9b0 | 1432 | case $host in |
1433 | # mingw32 doesn't have __cxa_atexit but uses atexit registration | |
1434 | # keyed to flag_use_cxa_atexit | |
1435 | *-*-mingw32*) | |
1436 | use_cxa_atexit=yes | |
1437 | ;; | |
1438 | *) | |
1439 | AC_CHECK_FUNC(__cxa_atexit,[use_cxa_atexit=yes], | |
1440 | [echo "__cxa_atexit can't be enabled on this target"]) | |
55a5bb1e | 1441 | ;; |
d91ef9b0 | 1442 | esac |
d9ab9cb9 | 1443 | else |
1444 | # We can't check for __cxa_atexit when building a cross, so assume | |
1445 | # it is available | |
1446 | use_cxa_atexit=yes | |
1447 | fi | |
1448 | if test x$use_cxa_atexit = xyes; then | |
3bf418bd | 1449 | AC_DEFINE(DEFAULT_USE_CXA_ATEXIT, 2, |
d9ab9cb9 | 1450 | [Define if you want to use __cxa_atexit, rather than atexit, to |
1451 | register C++ destructors for local statics and global objects. | |
1452 | This is essential for fully standards-compliant handling of | |
1453 | destructors, but requires __cxa_atexit in libc.]) | |
1454 | fi | |
bc5ae993 | 1455 | fi |
1456 | ||
f406e07e | 1457 | use_getipinfo=yes |
1458 | if test x$with_system_libunwind = xyes; then | |
1459 | if test x$host = x$target; then | |
1460 | AC_SEARCH_LIBS(_Unwind_GetIPInfo, unwind,, [use_getipinfo=no]) | |
1461 | fi | |
1462 | fi | |
1463 | GCC_TARGET_TEMPLATE(HAVE_GETIPINFO) | |
1464 | if test x$use_getipinfo = xyes; then | |
1465 | AC_DEFINE(HAVE_GETIPINFO, 1, | |
1466 | [Define to 1 if system unwind library has _Unwind_GetIPInfo.]) | |
1467 | else | |
1468 | echo "The system unwind library does not support _Unwind_GetIPInfo." | |
1469 | fi | |
1470 | ||
6f432b58 | 1471 | # Look for a file containing extra machine modes. |
b5ccaa7b | 1472 | if test -n "$extra_modes" && test -f $srcdir/config/$extra_modes; then |
1473 | extra_modes_file='$(srcdir)'/config/${extra_modes} | |
6f432b58 | 1474 | AC_SUBST(extra_modes_file) |
4dcab8b7 | 1475 | AC_DEFINE_UNQUOTED(EXTRA_MODES_FILE, "config/$extra_modes", |
6f432b58 | 1476 | [Define to the name of a file containing a list of extra machine modes |
1477 | for this architecture.]) | |
6f432b58 | 1478 | fi |
1479 | ||
ff05e09e | 1480 | # Convert extra_options into a form suitable for Makefile use. |
1481 | extra_opt_files= | |
1482 | for f in $extra_options; do | |
1483 | extra_opt_files="$extra_opt_files \$(srcdir)/config/$f" | |
1484 | done | |
1485 | AC_SUBST(extra_opt_files) | |
1486 | ||
764fc592 | 1487 | # auto-host.h is the file containing items generated by autoconf and is |
0dbd1c74 | 1488 | # the first file included by config.h. |
805e22b2 | 1489 | # If host=build, it is correct to have bconfig include auto-host.h |
58b16c1a | 1490 | # as well. If host!=build, we are in error and need to do more |
1491 | # work to find out the build config parameters. | |
bf3637a9 | 1492 | if test x$host = x$build |
58b16c1a | 1493 | then |
d826737c | 1494 | build_auto=auto-host.h |
764fc592 | 1495 | else |
1496 | # We create a subdir, then run autoconf in the subdir. | |
1497 | # To prevent recursion we set host and build for the new | |
1498 | # invocation of configure to the build for this invocation | |
1499 | # of configure. | |
1500 | tempdir=build.$$ | |
1501 | rm -rf $tempdir | |
1502 | mkdir $tempdir | |
1503 | cd $tempdir | |
1504 | case ${srcdir} in | |
e868f582 | 1505 | /* | [A-Za-z]:[\\/]* ) realsrcdir=${srcdir};; |
764fc592 | 1506 | *) realsrcdir=../${srcdir};; |
1507 | esac | |
fc5104b7 | 1508 | saved_CFLAGS="${CFLAGS}" |
1509 | CC="${CC_FOR_BUILD}" CFLAGS="${CFLAGS_FOR_BUILD}" \ | |
1510 | ${realsrcdir}/configure \ | |
1f3fcf32 | 1511 | --enable-languages=${enable_languages-all} \ |
ab3470ec | 1512 | --target=$target_alias --host=$build_alias --build=$build_alias |
fc5104b7 | 1513 | CFLAGS="${saved_CFLAGS}" |
764fc592 | 1514 | |
1515 | # We just finished tests for the build machine, so rename | |
1516 | # the file auto-build.h in the gcc directory. | |
1517 | mv auto-host.h ../auto-build.h | |
1518 | cd .. | |
1519 | rm -rf $tempdir | |
d826737c | 1520 | build_auto=auto-build.h |
58b16c1a | 1521 | fi |
2b59cb05 | 1522 | AC_SUBST(build_subdir) |
58b16c1a | 1523 | |
d826737c | 1524 | tm_file="${tm_file} defaults.h" |
805e22b2 | 1525 | tm_p_file="${tm_p_file} tm-preds.h" |
1526 | host_xm_file="auto-host.h ansidecl.h ${host_xm_file}" | |
1527 | build_xm_file="${build_auto} ansidecl.h ${build_xm_file}" | |
4b0e3ddb | 1528 | # We don't want ansidecl.h in target files, write code there in ISO/GNU C. |
18320123 | 1529 | # put this back in temporarily. |
fcd42b1e | 1530 | xm_file="auto-host.h ansidecl.h ${xm_file}" |
4a7d7a8b | 1531 | |
7349ace9 | 1532 | # -------- |
1533 | # UNSORTED | |
1534 | # -------- | |
1535 | ||
14ac9144 | 1536 | changequote(,)dnl |
9371935c | 1537 | # Compile in configure arguments. |
6e11eb2c | 1538 | if test -f configargs.h ; then |
9371935c | 1539 | # Being re-configured. |
8bffa377 | 1540 | gcc_config_arguments=`grep configuration_arguments configargs.h | sed -e 's/.*"\([^"]*\)".*/\1/'` |
9371935c | 1541 | gcc_config_arguments="$gcc_config_arguments : (reconfigured) $TOPLEVEL_CONFIGURE_ARGUMENTS" |
1542 | else | |
1543 | gcc_config_arguments="$TOPLEVEL_CONFIGURE_ARGUMENTS" | |
1544 | fi | |
5df533c9 | 1545 | |
1546 | # Double all backslashes and backslash all quotes to turn | |
1547 | # gcc_config_arguments into a C string. | |
1548 | sed -e 's/\\/\\\\/g; s/"/\\"/g' <<EOF >conftest.out | |
1549 | $gcc_config_arguments | |
1550 | EOF | |
1551 | gcc_config_arguments_str=`cat conftest.out` | |
1552 | rm -f conftest.out | |
1553 | ||
9371935c | 1554 | cat > configargs.h <<EOF |
1555 | /* Generated automatically. */ | |
5df533c9 | 1556 | static const char configuration_arguments[] = "$gcc_config_arguments_str"; |
6d72c630 | 1557 | static const char thread_model[] = "$thread_file"; |
7dd97ab6 | 1558 | |
1559 | static const struct { | |
1560 | const char *name, *value; | |
1561 | } configure_default_options[] = $configure_default_options; | |
9371935c | 1562 | EOF |
bf3637a9 | 1563 | changequote([,])dnl |
01dc27ef | 1564 | |
be2828ce | 1565 | # Internationalization |
c6976b58 | 1566 | ZW_GNU_GETTEXT_SISTER_DIR |
c5ab9ed2 | 1567 | |
c6976b58 | 1568 | # If LIBINTL contains LIBICONV, then clear LIBICONV so we don't get |
1569 | # -liconv on the link line twice. | |
1570 | case "$LIBINTL" in *$LIBICONV*) | |
1571 | LIBICONV= ;; | |
1572 | esac | |
be2828ce | 1573 | |
197f58fa | 1574 | AC_ARG_ENABLE(secureplt, |
1575 | [ --enable-secureplt enable -msecure-plt by default for PowerPC], | |
1576 | [], []) | |
1577 | ||
778a2833 | 1578 | # Windows32 Registry support for specifying GCC installation paths. |
1579 | AC_ARG_ENABLE(win32-registry, | |
1580 | [ --disable-win32-registry | |
77eb56d4 | 1581 | disable lookup of installation paths in the |
1582 | Registry on Windows hosts | |
1583 | --enable-win32-registry enable registry lookup (default) | |
778a2833 | 1584 | --enable-win32-registry=KEY |
77eb56d4 | 1585 | use KEY instead of GCC version as the last portion |
1586 | of the registry key],,) | |
1af67e62 | 1587 | |
45449d9f | 1588 | case $host_os in |
1af67e62 | 1589 | win32 | pe | cygwin* | mingw32* | uwin*) |
1590 | if test "x$enable_win32_registry" != xno; then | |
1591 | AC_SEARCH_LIBS(RegOpenKeyExA, advapi32,, [enable_win32_registry=no]) | |
1592 | fi | |
778a2833 | 1593 | |
1af67e62 | 1594 | if test "x$enable_win32_registry" != xno; then |
1595 | AC_DEFINE(ENABLE_WIN32_REGISTRY, 1, | |
1596 | [Define to 1 if installation paths should be looked up in the Windows | |
1597 | Registry. Ignored on non-Windows hosts.]) | |
1598 | ||
1599 | if test "x$enable_win32_registry" != xyes \ | |
1600 | && test "x$enable_win32_registry" != x; then | |
1601 | AC_DEFINE_UNQUOTED(WIN32_REGISTRY_KEY, "$enable_win32_registry", | |
1602 | [Define to be the last component of the Windows registry key under which | |
1603 | to look for installation paths. The full key used will be | |
1604 | HKEY_LOCAL_MACHINE/SOFTWARE/Free Software Foundation/{WIN32_REGISTRY_KEY}. | |
1605 | The default is the GCC version number.]) | |
1606 | fi | |
1607 | fi | |
778a2833 | 1608 | ;; |
1609 | esac | |
1610 | ||
cab2aaca | 1611 | # Get an absolute path to the GCC top-level source directory |
3354d061 | 1612 | holddir=`${PWDCMD-pwd}` |
cab2aaca | 1613 | cd $srcdir |
3354d061 | 1614 | topdir=`${PWDCMD-pwd}` |
cab2aaca | 1615 | cd $holddir |
1616 | ||
0045e563 | 1617 | # Conditionalize the makefile for this host machine. |
a455468e | 1618 | xmake_file= |
2e222ce5 | 1619 | for f in ${host_xmake_file} |
5a92ba2a | 1620 | do |
bf3637a9 | 1621 | if test -f ${srcdir}/config/$f |
5a92ba2a | 1622 | then |
a455468e | 1623 | xmake_file="${xmake_file} \$(srcdir)/config/$f" |
5a92ba2a | 1624 | fi |
1625 | done | |
01dc27ef | 1626 | |
0045e563 | 1627 | # Conditionalize the makefile for this target machine. |
a455468e | 1628 | tmake_file_= |
2e222ce5 | 1629 | for f in ${tmake_file} |
5a92ba2a | 1630 | do |
bf3637a9 | 1631 | if test -f ${srcdir}/config/$f |
5a92ba2a | 1632 | then |
a455468e | 1633 | tmake_file_="${tmake_file_} \$(srcdir)/config/$f" |
5a92ba2a | 1634 | fi |
1635 | done | |
a455468e | 1636 | tmake_file="${tmake_file_}" |
4fc83d8e | 1637 | |
0045e563 | 1638 | # If the host doesn't support symlinks, modify CC in |
1639 | # FLAGS_TO_PASS so CC="stage1/xgcc -Bstage1/" works. | |
1640 | # Otherwise, we can use "CC=$(CC)". | |
1641 | rm -f symtest.tem | |
26be379c | 1642 | case "$LN_S" in |
1643 | *-s*) | |
1644 | cc_set_by_configure="\$(CC)" | |
1645 | quoted_cc_set_by_configure="\$(CC)" | |
1646 | stage_prefix_set_by_configure="\$(STAGE_PREFIX)" | |
1647 | quoted_stage_prefix_set_by_configure="\$(STAGE_PREFIX)" | |
1648 | ;; | |
1649 | *) | |
1650 | cc_set_by_configure="\`case '\$(CC)' in stage*) echo '\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\$(CC)';; esac\`" | |
1651 | quoted_cc_set_by_configure="\\\`case '\\\$(CC)' in stage*) echo '\\\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(CC)';; esac\\\`" | |
1652 | stage_prefix_set_by_configure="\`case '\$(STAGE_PREFIX)' in stage*) echo '\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\$(STAGE_PREFIX)';; esac\`" | |
1653 | quoted_stage_prefix_set_by_configure="\\\`case '\\\$(STAGE_PREFIX)' in stage*) echo '\\\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(STAGE_PREFIX)';; esac\\\`" | |
1654 | ;; | |
1655 | esac | |
4fc83d8e | 1656 | |
a136b23d | 1657 | # This is a terrible hack which will go away some day. |
1658 | host_cc_for_libada=${CC} | |
1659 | AC_SUBST(host_cc_for_libada) | |
3e934a80 | 1660 | |
0045e563 | 1661 | out_object_file=`basename $out_file .c`.o |
4fc83d8e | 1662 | |
ff05e09e | 1663 | tm_file_list="options.h" |
1664 | tm_include_list="options.h" | |
0045e563 | 1665 | for f in $tm_file; do |
de5102fe | 1666 | case $f in |
673b6e5a | 1667 | defaults.h ) |
4dcab8b7 | 1668 | tm_file_list="${tm_file_list} \$(srcdir)/$f" |
1669 | tm_include_list="${tm_include_list} $f" | |
1670 | ;; | |
1671 | * ) | |
1672 | tm_file_list="${tm_file_list} \$(srcdir)/config/$f" | |
1673 | tm_include_list="${tm_include_list} config/$f" | |
1674 | ;; | |
de5102fe | 1675 | esac |
0045e563 | 1676 | done |
01dc27ef | 1677 | |
83b8e55b | 1678 | tm_p_file_list= |
4dcab8b7 | 1679 | tm_p_include_list= |
83b8e55b | 1680 | for f in $tm_p_file; do |
805e22b2 | 1681 | case $f in |
1682 | tm-preds.h ) | |
4dcab8b7 | 1683 | tm_p_file_list="${tm_p_file_list} $f" |
1684 | tm_p_include_list="${tm_p_include_list} $f" | |
1685 | ;; | |
1686 | * ) | |
1687 | tm_p_file_list="${tm_p_file_list} \$(srcdir)/config/$f" | |
1688 | tm_p_include_list="${tm_p_include_list} config/$f" | |
1689 | esac | |
1690 | done | |
1691 | ||
1692 | xm_file_list= | |
1693 | xm_include_list= | |
1694 | for f in $xm_file; do | |
1695 | case $f in | |
1696 | ansidecl.h ) | |
1697 | xm_file_list="${xm_file_list} \$(srcdir)/../include/$f" | |
1698 | xm_include_list="${xm_include_list} $f" | |
1699 | ;; | |
1700 | auto-host.h ) | |
1701 | xm_file_list="${xm_file_list} $f" | |
1702 | xm_include_list="${xm_include_list} $f" | |
1703 | ;; | |
1704 | * ) | |
1705 | xm_file_list="${xm_file_list} \$(srcdir)/config/$f" | |
1706 | xm_include_list="${xm_include_list} config/$f" | |
1707 | ;; | |
805e22b2 | 1708 | esac |
83b8e55b | 1709 | done |
1710 | ||
0045e563 | 1711 | host_xm_file_list= |
4dcab8b7 | 1712 | host_xm_include_list= |
0045e563 | 1713 | for f in $host_xm_file; do |
de5102fe | 1714 | case $f in |
673b6e5a | 1715 | ansidecl.h ) |
4dcab8b7 | 1716 | host_xm_file_list="${host_xm_file_list} \$(srcdir)/../include/$f" |
1717 | host_xm_include_list="${host_xm_include_list} $f" | |
1718 | ;; | |
1f3233d1 | 1719 | auto-host.h ) |
4dcab8b7 | 1720 | host_xm_file_list="${host_xm_file_list} $f" |
1721 | host_xm_include_list="${host_xm_include_list} $f" | |
1722 | ;; | |
1723 | * ) | |
1724 | host_xm_file_list="${host_xm_file_list} \$(srcdir)/config/$f" | |
1725 | host_xm_include_list="${host_xm_include_list} config/$f" | |
1726 | ;; | |
de5102fe | 1727 | esac |
0045e563 | 1728 | done |
1729 | ||
1730 | build_xm_file_list= | |
1731 | for f in $build_xm_file; do | |
de5102fe | 1732 | case $f in |
673b6e5a | 1733 | ansidecl.h ) |
4dcab8b7 | 1734 | build_xm_file_list="${build_xm_file_list} \$(srcdir)/../include/$f" |
1735 | build_xm_include_list="${build_xm_include_list} $f" | |
1736 | ;; | |
1f3233d1 | 1737 | auto-build.h | auto-host.h ) |
4dcab8b7 | 1738 | build_xm_file_list="${build_xm_file_list} $f" |
1739 | build_xm_include_list="${build_xm_include_list} $f" | |
1740 | ;; | |
1741 | * ) | |
1742 | build_xm_file_list="${build_xm_file_list} \$(srcdir)/config/$f" | |
1743 | build_xm_include_list="${build_xm_include_list} config/$f" | |
1744 | ;; | |
de5102fe | 1745 | esac |
0045e563 | 1746 | done |
01dc27ef | 1747 | |
29d774d0 | 1748 | # Define macro CROSS_DIRECTORY_STRUCTURE in compilation if this is a |
1749 | # cross-compiler which does not use the native headers and libraries. | |
0fc07c25 | 1750 | # Also use all.cross instead of all.internal and adjust SYSTEM_HEADER_DIR. |
1751 | CROSS= AC_SUBST(CROSS) | |
1752 | ALL=all.internal AC_SUBST(ALL) | |
1753 | SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)' AC_SUBST(SYSTEM_HEADER_DIR) | |
5e368ffe | 1754 | |
1755 | if test "x$with_build_sysroot" != x; then | |
1756 | build_system_header_dir=$with_build_sysroot'$(NATIVE_SYSTEM_HEADER_DIR)' | |
1757 | else | |
1758 | # This value is used, even on a native system, because | |
1759 | # CROSS_SYSTEM_HEADER_DIR is just | |
1760 | # $(TARGET_SYSTEM_ROOT)$(NATIVE_SYSTEM_HEADER_DIR). | |
1761 | build_system_header_dir='$(CROSS_SYSTEM_HEADER_DIR)' | |
1762 | fi | |
1763 | ||
bf3637a9 | 1764 | if test x$host != x$target |
0045e563 | 1765 | then |
29d774d0 | 1766 | CROSS="-DCROSS_DIRECTORY_STRUCTURE" |
0fc07c25 | 1767 | ALL=all.cross |
a99be165 | 1768 | SYSTEM_HEADER_DIR=$build_system_header_dir |
4ae4e5e8 | 1769 | case "$host","$target" in |
62cb8057 | 1770 | # Darwin crosses can use the host system's libraries and headers, |
1771 | # because of the fat library support. Of course, it must be the | |
1772 | # same version of Darwin on both sides. Allow the user to | |
1773 | # just say --target=foo-darwin without a version number to mean | |
1774 | # "the version on this system". | |
1775 | *-*-darwin*,*-*-darwin*) | |
1776 | hostos=`echo $host | sed 's/.*-darwin/darwin/'` | |
1777 | targetos=`echo $target | sed 's/.*-darwin/darwin/'` | |
1778 | if test $hostos = $targetos -o $targetos = darwin ; then | |
1779 | CROSS= | |
1780 | SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)' | |
1781 | with_headers=yes | |
1782 | fi | |
1783 | ;; | |
1784 | ||
4ae4e5e8 | 1785 | i?86-*-*,x86_64-*-* \ |
1786 | | powerpc*-*-*,powerpc64*-*-*) | |
1787 | CROSS="$CROSS -DNATIVE_CROSS" ;; | |
1788 | esac | |
e81222a4 | 1789 | elif test "x$TARGET_SYSTEM_ROOT" != x; then |
5e368ffe | 1790 | SYSTEM_HEADER_DIR=$build_system_header_dir |
0045e563 | 1791 | fi |
01dc27ef | 1792 | |
81aabcf8 | 1793 | # If this is a cross-compiler that does not |
1794 | # have its own set of headers then define | |
1795 | # inhibit_libc | |
1796 | ||
3caddd4e | 1797 | # If this is using newlib, without having the headers available now, |
1798 | # then define inhibit_libc in LIBGCC2_CFLAGS. | |
c872ef71 | 1799 | # This prevents libgcc2 from containing any code which requires libc |
1800 | # support. | |
a99be165 | 1801 | inhibit_libc=false |
3caddd4e | 1802 | if { { test x$host != x$target && test "x$with_sysroot" = x ; } || |
1803 | test x$with_newlib = xyes ; } && | |
9ad4b12b | 1804 | { test "x$with_headers" = x || test "x$with_headers" = xno ; } ; then |
a99be165 | 1805 | inhibit_libc=true |
81aabcf8 | 1806 | fi |
1807 | AC_SUBST(inhibit_libc) | |
1808 | ||
0fc07c25 | 1809 | # When building gcc with a cross-compiler, we need to adjust things so |
1810 | # that the generator programs are still built with the native compiler. | |
1811 | # Also, we cannot run fixincludes or fix-header. | |
0fc07c25 | 1812 | |
1813 | # These are the normal (build=host) settings: | |
58933515 | 1814 | CC_FOR_BUILD='$(CC)' AC_SUBST(CC_FOR_BUILD) |
805e22b2 | 1815 | BUILD_CFLAGS='$(ALL_CFLAGS)' AC_SUBST(BUILD_CFLAGS) |
0fc07c25 | 1816 | STMP_FIXINC=stmp-fixinc AC_SUBST(STMP_FIXINC) |
4c05f6ec | 1817 | |
1818 | # Possibly disable fixproto, on a per-target basis. | |
1819 | case ${use_fixproto} in | |
1820 | no) | |
1821 | STMP_FIXPROTO= | |
1822 | ;; | |
1823 | yes) | |
1824 | STMP_FIXPROTO=stmp-fixproto | |
1825 | ;; | |
1826 | esac | |
1827 | AC_SUBST(STMP_FIXPROTO) | |
0fc07c25 | 1828 | |
c19ee476 | 1829 | # And these apply if build != host, or we are generating coverage data |
1830 | if test x$build != x$host || test "x$coverage_flags" != x | |
0045e563 | 1831 | then |
4a867005 | 1832 | BUILD_CFLAGS='$(INTERNAL_CFLAGS) $(T_CFLAGS) $(CFLAGS_FOR_BUILD)' |
0fc07c25 | 1833 | |
e81222a4 | 1834 | if test "x$TARGET_SYSTEM_ROOT" = x; then |
8f4ab70b | 1835 | if test "x$STMP_FIXPROTO" != x; then |
0abf128a | 1836 | STMP_FIXPROTO=stmp-install-fixproto |
1837 | fi | |
e81222a4 | 1838 | fi |
0045e563 | 1839 | fi |
01dc27ef | 1840 | |
33fd845b | 1841 | # Expand extra_headers to include complete path. |
1842 | # This substitutes for lots of t-* files. | |
1843 | extra_headers_list= | |
a78cd2c1 | 1844 | # Prepend $(srcdir)/config/${cpu_type}/ to every entry in extra_headers. |
1845 | for file in ${extra_headers} ; do | |
1846 | extra_headers_list="${extra_headers_list} \$(srcdir)/config/${cpu_type}/${file}" | |
1847 | done | |
33fd845b | 1848 | |
e08c7853 | 1849 | # Define collect2 in Makefile. |
1850 | case $host_can_use_collect2 in | |
1851 | no) collect2= ;; | |
1852 | *) collect2='collect2$(exeext)' ;; | |
1853 | esac | |
1854 | AC_SUBST([collect2]) | |
1855 | ||
0045e563 | 1856 | # Add a definition of USE_COLLECT2 if system wants one. |
7349ace9 | 1857 | case $use_collect2 in |
1858 | no) use_collect2= ;; | |
1859 | "") ;; | |
1860 | *) | |
1861 | host_xm_defines="${host_xm_defines} USE_COLLECT2" | |
1862 | xm_defines="${xm_defines} USE_COLLECT2" | |
e08c7853 | 1863 | case $host_can_use_collect2 in |
1864 | no) | |
1865 | AC_MSG_ERROR([collect2 is required but cannot be built on this system]) | |
1866 | ;; | |
1867 | esac | |
7349ace9 | 1868 | ;; |
1869 | esac | |
0045e563 | 1870 | |
d8a2ca58 | 1871 | # --------------------------- |
1872 | # Assembler & linker features | |
1873 | # --------------------------- | |
1874 | ||
d2aaa43f | 1875 | # Identify the assembler which will work hand-in-glove with the newly |
1876 | # built GCC, so that we can examine its features. This is the assembler | |
1877 | # which will be driven by the driver program. | |
1878 | # | |
1879 | # If build != host, and we aren't building gas in-tree, we identify a | |
1880 | # build->target assembler and hope that it will have the same features | |
1881 | # as the host->target assembler we'll be using. | |
398f3874 | 1882 | gcc_cv_gas_major_version= |
1883 | gcc_cv_gas_minor_version= | |
0a4f4d70 | 1884 | gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/gas |
c47832b1 | 1885 | |
1886 | m4_pattern_allow([AS_FOR_TARGET])dnl | |
1887 | AS_VAR_SET_IF(gcc_cv_as,, [ | |
f8b7dbdb | 1888 | if test -x "$DEFAULT_ASSEMBLER"; then |
1889 | gcc_cv_as="$DEFAULT_ASSEMBLER" | |
7349ace9 | 1890 | elif test -f $gcc_cv_as_gas_srcdir/configure.in \ |
58220290 | 1891 | && test -f ../gas/Makefile \ |
1892 | && test x$build = x$host; then | |
c47832b1 | 1893 | gcc_cv_as=../gas/as-new$build_exeext |
1894 | elif test -x as$build_exeext; then | |
1895 | # Build using assembler in the current directory. | |
1896 | gcc_cv_as=./as$build_exeext | |
1897 | elif test -x $AS_FOR_TARGET; then | |
1898 | gcc_cv_as="$AS_FOR_TARGET" | |
1899 | else | |
1900 | AC_PATH_PROG(gcc_cv_as, $AS_FOR_TARGET) | |
1901 | fi]) | |
1902 | ||
1903 | ORIGINAL_AS_FOR_TARGET=$gcc_cv_as | |
1904 | AC_SUBST(ORIGINAL_AS_FOR_TARGET) | |
1905 | ||
1906 | AC_MSG_CHECKING(what assembler to use) | |
1907 | if test "$gcc_cv_as" = ../gas/as-new$build_exeext; then | |
58220290 | 1908 | # Single tree build which includes gas. We want to prefer it |
1909 | # over whatever linker top-level may have detected, since | |
1910 | # we'll use what we're building after installation anyway. | |
c47832b1 | 1911 | AC_MSG_RESULT(newly built gas) |
667fe30b | 1912 | in_tree_gas=yes |
1913 | _gcc_COMPUTE_GAS_VERSION | |
0dac358a | 1914 | in_tree_gas_is_elf=no |
1915 | if grep 'obj_format = elf' ../gas/Makefile > /dev/null \ | |
1916 | || (grep 'obj_format = multi' ../gas/Makefile \ | |
1917 | && grep 'extra_objects =.* obj-elf' ../gas/Makefile) > /dev/null | |
1918 | then | |
1919 | in_tree_gas_is_elf=yes | |
1920 | fi | |
c47832b1 | 1921 | else |
1922 | AC_MSG_RESULT($gcc_cv_as) | |
1923 | in_tree_gas=no | |
398f3874 | 1924 | fi |
1925 | ||
d2aaa43f | 1926 | # Identify the linker which will work hand-in-glove with the newly |
1927 | # built GCC, so that we can examine its features. This is the linker | |
1928 | # which will be driven by the driver program. | |
1929 | # | |
1930 | # If build != host, and we aren't building gas in-tree, we identify a | |
1931 | # build->target linker and hope that it will have the same features | |
1932 | # as the host->target linker we'll be using. | |
0d6378a9 | 1933 | gcc_cv_gld_major_version= |
1934 | gcc_cv_gld_minor_version= | |
1935 | gcc_cv_ld_gld_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/ld | |
1936 | gcc_cv_ld_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd | |
c47832b1 | 1937 | |
1938 | AS_VAR_SET_IF(gcc_cv_ld,, [ | |
0d6378a9 | 1939 | if test -x "$DEFAULT_LINKER"; then |
1940 | gcc_cv_ld="$DEFAULT_LINKER" | |
7349ace9 | 1941 | elif test -f $gcc_cv_ld_gld_srcdir/configure.in \ |
58220290 | 1942 | && test -f ../ld/Makefile \ |
1943 | && test x$build = x$host; then | |
c47832b1 | 1944 | gcc_cv_ld=../ld/ld-new$build_exeext |
1945 | elif test -x collect-ld$build_exeext; then | |
1946 | # Build using linker in the current directory. | |
1947 | gcc_cv_ld=./collect-ld$build_exeext | |
1948 | elif test -x $LD_FOR_TARGET; then | |
1949 | gcc_cv_ld="$LD_FOR_TARGET" | |
1950 | else | |
1951 | AC_PATH_PROG(gcc_cv_ld, $LD_FOR_TARGET) | |
1952 | fi]) | |
1953 | ||
1954 | ORIGINAL_LD_FOR_TARGET=$gcc_cv_ld | |
1955 | AC_SUBST(ORIGINAL_LD_FOR_TARGET) | |
1956 | ||
1957 | AC_MSG_CHECKING(what linker to use) | |
1958 | if test "$gcc_cv_ld" = ../ld/ld-new$build_exeext; then | |
58220290 | 1959 | # Single tree build which includes ld. We want to prefer it |
1960 | # over whatever linker top-level may have detected, since | |
1961 | # we'll use what we're building after installation anyway. | |
c47832b1 | 1962 | AC_MSG_RESULT(newly built ld) |
7349ace9 | 1963 | in_tree_ld=yes |
0dac358a | 1964 | in_tree_ld_is_elf=no |
1965 | if (grep 'EMUL = .*elf' ../ld/Makefile \ | |
092f763e | 1966 | || grep 'EMUL = .*linux' ../ld/Makefile \ |
1967 | || grep 'EMUL = .*lynx' ../ld/Makefile) > /dev/null; then | |
0dac358a | 1968 | in_tree_ld_is_elf=yes |
1969 | fi | |
0d6378a9 | 1970 | 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 |
1971 | do | |
1972 | changequote(,)dnl | |
78dde42d | 1973 | gcc_cv_gld_version=`sed -n -e 's/^[ ]*\(VERSION=[0-9]*\.[0-9]*.*\)/\1/p' < $f` |
0d6378a9 | 1974 | if test x$gcc_cv_gld_version != x; then |
1975 | break | |
1976 | fi | |
1977 | done | |
0d6378a9 | 1978 | gcc_cv_gld_major_version=`expr "$gcc_cv_gld_version" : "VERSION=\([0-9]*\)"` |
1979 | gcc_cv_gld_minor_version=`expr "$gcc_cv_gld_version" : "VERSION=[0-9]*\.\([0-9]*\)"` | |
1980 | changequote([,])dnl | |
c47832b1 | 1981 | else |
1982 | AC_MSG_RESULT($gcc_cv_ld) | |
1983 | in_tree_ld=no | |
0d6378a9 | 1984 | fi |
1985 | ||
398f3874 | 1986 | # Figure out what nm we will be using. |
37c5bbf8 | 1987 | gcc_cv_binutils_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/binutils |
c47832b1 | 1988 | AS_VAR_SET_IF(gcc_cv_nm,, [ |
f32e3360 | 1989 | if test -f $gcc_cv_binutils_srcdir/configure.in \ |
13648950 | 1990 | && test -f ../binutils/Makefile \ |
1991 | && test x$build = x$host; then | |
f32e3360 | 1992 | gcc_cv_nm=../binutils/nm-new$build_exeext |
1993 | elif test -x nm$build_exeext; then | |
68c3d71c | 1994 | gcc_cv_nm=./nm$build_exeext |
c47832b1 | 1995 | elif test -x $NM_FOR_TARGET; then |
1996 | gcc_cv_nm="$NM_FOR_TARGET" | |
1997 | else | |
1998 | AC_PATH_PROG(gcc_cv_nm, $NM_FOR_TARGET) | |
1999 | fi]) | |
f32e3360 | 2000 | |
f32e3360 | 2001 | AC_MSG_CHECKING(what nm to use) |
c47832b1 | 2002 | if test "$gcc_cv_nm" = ../binutils/nm-new$build_exeext; then |
2003 | # Single tree build which includes binutils. | |
2004 | AC_MSG_RESULT(newly built nm) | |
2005 | in_tree_nm=yes | |
2006 | else | |
2007 | AC_MSG_RESULT($gcc_cv_nm) | |
2008 | in_tree_nm=no | |
2009 | fi | |
2010 | ||
2011 | ORIGINAL_NM_FOR_TARGET=$gcc_cv_nm | |
2012 | AC_SUBST(ORIGINAL_NM_FOR_TARGET) | |
398f3874 | 2013 | |
74e387fc | 2014 | # Figure out what objdump we will be using. |
c47832b1 | 2015 | AS_VAR_SET_IF(gcc_cv_objdump,, [ |
ae74ffb7 | 2016 | if test -f $gcc_cv_binutils_srcdir/configure.in \ |
13648950 | 2017 | && test -f ../binutils/Makefile \ |
2018 | && test x$build = x$host; then | |
37c5bbf8 | 2019 | # Single tree build which includes binutils. |
f32e3360 | 2020 | gcc_cv_objdump=../binutils/objdump$build_exeext |
ae74ffb7 | 2021 | elif test -x objdump$build_exeext; then |
2022 | gcc_cv_objdump=./objdump$build_exeext | |
c47832b1 | 2023 | elif test -x $OBJDUMP_FOR_TARGET; then |
2024 | gcc_cv_objdump="$OBJDUMP_FOR_TARGET" | |
2025 | else | |
2026 | AC_PATH_PROG(gcc_cv_objdump, $OBJDUMP_FOR_TARGET) | |
2027 | fi]) | |
ae74ffb7 | 2028 | |
ae74ffb7 | 2029 | AC_MSG_CHECKING(what objdump to use) |
c47832b1 | 2030 | if test "$gcc_cv_objdump" = ../binutils/objdump$build_exeext; then |
2031 | # Single tree build which includes binutils. | |
2032 | AC_MSG_RESULT(newly built objdump) | |
2033 | elif test x$gcc_cv_objdump = x; then | |
2034 | AC_MSG_RESULT(not found) | |
2035 | else | |
2036 | AC_MSG_RESULT($gcc_cv_objdump) | |
2037 | fi | |
74e387fc | 2038 | |
398f3874 | 2039 | # Figure out what assembler alignment features are present. |
6d6c1801 | 2040 | gcc_GAS_CHECK_FEATURE([.balign and .p2align], gcc_cv_as_balign_and_p2align, |
2041 | [2,6,0],, | |
2042 | [.balign 4 | |
2043 | .p2align 2],, | |
2044 | [AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN, 1, | |
2045 | [Define if your assembler supports .balign and .p2align.])]) | |
2046 | ||
2047 | gcc_GAS_CHECK_FEATURE([.p2align with maximum skip], gcc_cv_as_max_skip_p2align, | |
2048 | [2,8,0],, | |
2049 | [.p2align 4,,7],, | |
2050 | [AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN, 1, | |
2051 | [Define if your assembler supports specifying the maximum number | |
2052 | of bytes to skip when using the GAS .p2align command.])]) | |
2053 | ||
2054 | gcc_GAS_CHECK_FEATURE([working .subsection -1], gcc_cv_as_subsection_m1, | |
2055 | [elf,2,9,0],, | |
2056 | [conftest_label1: .word 0 | |
b6d28b19 | 2057 | .subsection -1 |
2058 | conftest_label2: .word 0 | |
6d6c1801 | 2059 | .previous], |
2060 | [if test x$gcc_cv_nm != x; then | |
2061 | $gcc_cv_nm conftest.o | grep conftest_label1 > conftest.nm1 | |
2062 | $gcc_cv_nm conftest.o | grep conftest_label2 | sed -e 's/label2/label1/' > conftest.nm2 | |
2063 | if cmp conftest.nm1 conftest.nm2 > /dev/null 2>&1 | |
2064 | then : | |
2065 | else gcc_cv_as_subsection_m1=yes | |
2066 | fi | |
2067 | rm -f conftest.nm1 conftest.nm2 | |
2068 | fi], | |
2069 | [AC_DEFINE(HAVE_GAS_SUBSECTION_ORDERING, 1, | |
2070 | [Define if your assembler supports .subsection and .subsection -1 starts | |
2071 | emitting at the beginning of your section.])]) | |
2072 | ||
2073 | gcc_GAS_CHECK_FEATURE([.weak], gcc_cv_as_weak, | |
2074 | [2,2,0],, | |
2075 | [ .weak foobar],, | |
2076 | [AC_DEFINE(HAVE_GAS_WEAK, 1, [Define if your assembler supports .weak.])]) | |
2077 | ||
f4a30bd7 | 2078 | gcc_GAS_CHECK_FEATURE([.weakref], gcc_cv_as_weakref, |
2079 | [2,17,0],, | |
2080 | [ .weakref foobar, barfnot],, | |
2081 | [AC_DEFINE(HAVE_GAS_WEAKREF, 1, [Define if your assembler supports .weakref.])]) | |
2082 | ||
2455c36b | 2083 | gcc_GAS_CHECK_FEATURE([.nsubspa comdat], gcc_cv_as_nsubspa_comdat, |
2084 | [2,15,91],, | |
2085 | [ .SPACE $TEXT$ | |
2086 | .NSUBSPA $CODE$,COMDAT],, | |
2087 | [AC_DEFINE(HAVE_GAS_NSUBSPA_COMDAT, 1, [Define if your assembler supports .nsubspa comdat option.])]) | |
2088 | ||
6d6c1801 | 2089 | # .hidden needs to be supported in both the assembler and the linker, |
2090 | # because GNU LD versions before 2.12.1 have buggy support for STV_HIDDEN. | |
2091 | # This is irritatingly difficult to feature test for; we have to check the | |
2092 | # date string after the version number. If we've got an in-tree | |
2093 | # ld, we don't know its patchlevel version, so we set the baseline at 2.13 | |
2094 | # to be safe. | |
2095 | # The gcc_GAS_CHECK_FEATURE call just sets a cache variable. | |
2096 | gcc_GAS_CHECK_FEATURE([.hidden], gcc_cv_as_hidden, | |
2097 | [elf,2,13,0],, | |
2098 | [ .hidden foobar | |
2099 | foobar:]) | |
2100 | ||
2101 | AC_CACHE_CHECK(linker for .hidden support, gcc_cv_ld_hidden, | |
2102 | [if test $in_tree_ld = yes ; then | |
2103 | gcc_cv_ld_hidden=no | |
2104 | if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 13 -o "$gcc_cv_gld_major_version" -gt 2 \ | |
2105 | && test $in_tree_ld_is_elf = yes; then | |
2106 | gcc_cv_ld_hidden=yes | |
2107 | fi | |
2108 | else | |
2109 | gcc_cv_ld_hidden=yes | |
43557a8f | 2110 | ld_ver=`$gcc_cv_ld --version 2>/dev/null | sed 1q` |
6d6c1801 | 2111 | if echo "$ld_ver" | grep GNU > /dev/null; then |
a985a485 | 2112 | changequote(,)dnl |
6d6c1801 | 2113 | ld_vers=`echo $ld_ver | sed -n \ |
2114 | -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\)$,\1,p' \ | |
2115 | -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)$,\1,p' \ | |
2116 | -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)$,\1,p' \ | |
2117 | -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\)[ ].*$,\1,p' \ | |
2118 | -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)[ ].*$,\1,p' \ | |
2593b9be | 2119 | -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)[ ].*$,\1,p' \ |
ad6fbe2d | 2120 | -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)[ -].*$,\1,p'` |
6d6c1801 | 2121 | ld_date=`echo $ld_ver | sed -n 's,^.*\([2-9][0-9][0-9][0-9]\)[-]*\([01][0-9]\)[-]*\([0-3][0-9]\).*$,\1\2\3,p'` |
2593b9be | 2122 | ld_vers_major=`expr "$ld_vers" : '\([0-9]*\)'` |
2123 | ld_vers_minor=`expr "$ld_vers" : '[0-9]*\.\([0-9]*\)'` | |
2124 | ld_vers_patch=`expr "$ld_vers" : '[0-9]*\.[0-9]*\.\([0-9]*\)'` | |
6d6c1801 | 2125 | if test 0"$ld_date" -lt 20020404; then |
2126 | if test -n "$ld_date"; then | |
2127 | # If there was date string, but was earlier than 2002-04-04, fail | |
2128 | gcc_cv_ld_hidden=no | |
2129 | elif test -z "$ld_vers"; then | |
2130 | # If there was no date string nor ld version number, something is wrong | |
2131 | gcc_cv_ld_hidden=no | |
2132 | else | |
6d6c1801 | 2133 | test -z "$ld_vers_patch" && ld_vers_patch=0 |
2134 | if test "$ld_vers_major" -lt 2; then | |
2135 | gcc_cv_ld_hidden=no | |
2136 | elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -lt 12; then | |
2137 | gcc_cv_ld_hidden="no" | |
2138 | elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -eq 12 -a "$ld_vers_patch" -eq 0; then | |
2139 | gcc_cv_ld_hidden=no | |
a985a485 | 2140 | fi |
6d6c1801 | 2141 | fi |
2142 | changequote([,])dnl | |
61ab9ea9 | 2143 | fi |
6d6c1801 | 2144 | else |
6f8f5d6c | 2145 | case "${target}" in |
ecb7c90c | 2146 | hppa64*-*-hpux* | ia64*-*-hpux*) |
6f8f5d6c | 2147 | gcc_cv_ld_hidden=yes |
2148 | ;; | |
2149 | *) | |
2150 | gcc_cv_ld_hidden=no | |
2151 | ;; | |
2152 | esac | |
6d6c1801 | 2153 | fi |
2154 | fi]) | |
2155 | libgcc_visibility=no | |
e8c2499b | 2156 | AC_SUBST(libgcc_visibility) |
fcd42b1e | 2157 | GCC_TARGET_TEMPLATE([HAVE_GAS_HIDDEN]) |
0b4b4686 | 2158 | if test $gcc_cv_as_hidden = yes && test $gcc_cv_ld_hidden = yes; then |
6d6c1801 | 2159 | libgcc_visibility=yes |
2160 | AC_DEFINE(HAVE_GAS_HIDDEN, 1, | |
2161 | [Define if your assembler and linker support .hidden.]) | |
2162 | fi | |
5be729c9 | 2163 | |
6d6c1801 | 2164 | # Check if we have .[us]leb128, and support symbol arithmetic with it. |
2165 | gcc_GAS_CHECK_FEATURE([.sleb128 and .uleb128], gcc_cv_as_leb128, | |
2166 | [elf,2,11,0],, | |
2167 | [ .data | |
37a2e188 | 2168 | .uleb128 L2 - L1 |
2169 | L1: | |
2170 | .uleb128 1280 | |
2171 | .sleb128 -1010 | |
6d6c1801 | 2172 | L2:], |
2173 | [# GAS versions before 2.11 do not support uleb128, | |
2174 | # despite appearing to. | |
2175 | # ??? There exists an elf-specific test that will crash | |
2176 | # the assembler. Perhaps it's better to figure out whether | |
2177 | # arbitrary sections are supported and try the test. | |
43557a8f | 2178 | as_ver=`$gcc_cv_as --version 2>/dev/null | sed 1q` |
6d6c1801 | 2179 | if echo "$as_ver" | grep GNU > /dev/null; then |
088fd851 | 2180 | changequote(,)dnl |
6d6c1801 | 2181 | as_ver=`echo $as_ver | sed -e 's/GNU assembler \([0-9.][0-9.]*\).*/\1/'` |
2182 | as_major=`echo $as_ver | sed 's/\..*//'` | |
2183 | as_minor=`echo $as_ver | sed 's/[^.]*\.\([0-9]*\).*/\1/'` | |
088fd851 | 2184 | changequote([,])dnl |
6d6c1801 | 2185 | if test $as_major -eq 2 && test $as_minor -lt 11 |
2186 | then : | |
2187 | else gcc_cv_as_leb128=yes | |
2188 | fi | |
2189 | fi], | |
2190 | [AC_DEFINE(HAVE_AS_LEB128, 1, | |
2191 | [Define if your assembler supports .sleb128 and .uleb128.])]) | |
2192 | ||
2193 | # GAS versions up to and including 2.11.0 may mis-optimize | |
2194 | # .eh_frame data. | |
2195 | gcc_GAS_CHECK_FEATURE(eh_frame optimization, gcc_cv_as_eh_frame, | |
2196 | [elf,2,12,0],, | |
2197 | [ .text | |
c3f311c4 | 2198 | .LFB1: |
2199 | .4byte 0 | |
2200 | .L1: | |
2201 | .4byte 0 | |
2202 | .LFE1: | |
2203 | .section .eh_frame,"aw",@progbits | |
2204 | __FRAME_BEGIN__: | |
2205 | .4byte .LECIE1-.LSCIE1 | |
2206 | .LSCIE1: | |
2207 | .4byte 0x0 | |
2208 | .byte 0x1 | |
2209 | .ascii "z\0" | |
2210 | .byte 0x1 | |
2211 | .byte 0x78 | |
2212 | .byte 0x1a | |
2213 | .byte 0x0 | |
2214 | .byte 0x4 | |
2215 | .4byte 1 | |
2216 | .p2align 1 | |
2217 | .LECIE1: | |
2218 | .LSFDE1: | |
2219 | .4byte .LEFDE1-.LASFDE1 | |
2220 | .LASFDE1: | |
2221 | .4byte .LASFDE1-__FRAME_BEGIN__ | |
2222 | .4byte .LFB1 | |
2223 | .4byte .LFE1-.LFB1 | |
2224 | .byte 0x4 | |
2225 | .4byte .LFE1-.LFB1 | |
2226 | .byte 0x4 | |
2227 | .4byte .L1-.LFB1 | |
6d6c1801 | 2228 | .LEFDE1:], |
6a8964db | 2229 | [ dnl # For autoconf 2.5x, must protect trailing spaces with @&t@. |
2230 | cat > conftest.lit <<EOF | |
c3f311c4 | 2231 | 0000 10000000 00000000 017a0001 781a0004 .........z..x... |
2232 | 0010 01000000 12000000 18000000 00000000 ................ | |
6a8964db | 2233 | 0020 08000000 04080000 0044 .........D @&t@ |
82ebecf9 | 2234 | EOF |
6a8964db | 2235 | cat > conftest.big <<EOF |
82ebecf9 | 2236 | 0000 00000010 00000000 017a0001 781a0004 .........z..x... |
2237 | 0010 00000001 00000012 00000018 00000000 ................ | |
6a8964db | 2238 | 0020 00000008 04000000 0844 .........D @&t@ |
c3f311c4 | 2239 | EOF |
6d6c1801 | 2240 | # If the assembler didn't choke, and we can objdump, |
2241 | # and we got the correct data, then succeed. | |
a9e7d751 | 2242 | # The text in the here-document typically retains its unix-style line |
2243 | # endings, while the output of objdump will use host line endings. | |
2244 | # Therefore, use diff -b for the comparisons. | |
6d6c1801 | 2245 | if test x$gcc_cv_objdump != x \ |
2246 | && $gcc_cv_objdump -s -j .eh_frame conftest.o 2>/dev/null \ | |
2247 | | tail -3 > conftest.got \ | |
a9e7d751 | 2248 | && { diff -b conftest.lit conftest.got > /dev/null 2>&1 \ |
2249 | || diff -b conftest.big conftest.got > /dev/null 2>&1; } | |
6d6c1801 | 2250 | then |
2251 | gcc_cv_as_eh_frame=yes | |
2252 | elif AC_TRY_COMMAND($gcc_cv_as -o conftest.o --traditional-format /dev/null); then | |
2253 | gcc_cv_as_eh_frame=buggy | |
2254 | else | |
2255 | # Uh oh, what do we do now? | |
2256 | gcc_cv_as_eh_frame=no | |
2257 | fi]) | |
2258 | ||
2259 | if test $gcc_cv_as_eh_frame = buggy; then | |
2260 | AC_DEFINE(USE_AS_TRADITIONAL_FORMAT, 1, | |
2261 | [Define if your assembler mis-optimizes .eh_frame data.]) | |
bb2821c0 | 2262 | fi |
bb2821c0 | 2263 | |
6d6c1801 | 2264 | gcc_GAS_CHECK_FEATURE(section merging support, gcc_cv_as_shf_merge, |
2265 | [elf,2,12,0], [--fatal-warnings], | |
cdb2d692 | 2266 | [.section .rodata.str, "aMS", @progbits, 1]) |
537cd941 | 2267 | if test $gcc_cv_as_shf_merge = no; then |
2268 | gcc_GAS_CHECK_FEATURE(section merging support, gcc_cv_as_shf_merge, | |
2269 | [elf,2,12,0], [--fatal-warnings], | |
2270 | [.section .rodata.str, "aMS", %progbits, 1]) | |
2271 | fi | |
cdb2d692 | 2272 | AC_DEFINE_UNQUOTED(HAVE_GAS_SHF_MERGE, |
2273 | [`if test $gcc_cv_as_shf_merge = yes; then echo 1; else echo 0; fi`], | |
2274 | [Define 0/1 if your assembler supports marking sections with SHF_MERGE flag.]) | |
6d6c1801 | 2275 | |
537cd941 | 2276 | gcc_GAS_CHECK_FEATURE(COMDAT group support, gcc_cv_as_comdat_group, |
2593b9be | 2277 | [elf,2,16,0], [--fatal-warnings], |
537cd941 | 2278 | [.section .text,"axG",@progbits,.foo,comdat]) |
2279 | if test $gcc_cv_as_comdat_group = yes; then | |
2280 | gcc_cv_as_comdat_group_percent=no | |
2281 | else | |
2282 | gcc_GAS_CHECK_FEATURE(COMDAT group support, gcc_cv_as_comdat_group_percent, | |
2593b9be | 2283 | [elf,2,16,0], [--fatal-warnings], |
537cd941 | 2284 | [.section .text,"axG",%progbits,.foo,comdat]) |
2285 | fi | |
2593b9be | 2286 | if test $in_tree_ld != yes && test x"$ld_vers" != x; then |
2287 | comdat_group=yes | |
2288 | if test 0"$ld_date" -lt 20050308; then | |
2289 | if test -n "$ld_date"; then | |
2290 | # If there was date string, but was earlier than 2005-03-08, fail | |
2291 | comdat_group=no | |
2292 | elif test "$ld_vers_major" -lt 2; then | |
2293 | comdat_group=no | |
2294 | elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -lt 16; then | |
2295 | comdat_group=no | |
2296 | fi | |
2297 | fi | |
f3424fe6 | 2298 | else |
2299 | # assume linkers other than GNU ld don't support COMDAT group | |
2300 | comdat_group=no | |
2301 | fi | |
2302 | if test $comdat_group = no; then | |
2303 | gcc_cv_as_comdat_group=no | |
2304 | gcc_cv_as_comdat_group_percent=no | |
2593b9be | 2305 | fi |
2306 | AC_DEFINE_UNQUOTED(HAVE_COMDAT_GROUP, | |
537cd941 | 2307 | [`if test $gcc_cv_as_comdat_group = yes || test $gcc_cv_as_comdat_group_percent = yes; then echo 1; else echo 0; fi`], |
2593b9be | 2308 | [Define 0/1 if your assembler and linker support COMDAT groups.]) |
537cd941 | 2309 | |
6d6c1801 | 2310 | # Thread-local storage - the check is heavily parametrized. |
2d6788fe | 2311 | conftest_s= |
2312 | tls_first_major= | |
2313 | tls_first_minor= | |
527d5be8 | 2314 | tls_as_opt= |
2d6788fe | 2315 | case "$target" in |
2316 | changequote(,)dnl | |
5f7b9df8 | 2317 | alpha*-*-*) |
2318 | conftest_s=' | |
2319 | .section ".tdata","awT",@progbits | |
2320 | foo: .long 25 | |
2321 | .text | |
2322 | ldq $27,__tls_get_addr($29) !literal!1 | |
2323 | lda $16,foo($29) !tlsgd!1 | |
2324 | jsr $26,($27),__tls_get_addr !lituse_tlsgd!1 | |
2325 | ldq $27,__tls_get_addr($29) !literal!2 | |
2326 | lda $16,foo($29) !tlsldm!2 | |
2327 | jsr $26,($27),__tls_get_addr !lituse_tlsldm!2 | |
2328 | ldq $1,foo($29) !gotdtprel | |
2329 | ldah $2,foo($29) !dtprelhi | |
2330 | lda $3,foo($2) !dtprello | |
2331 | lda $4,foo($29) !dtprel | |
2332 | ldq $1,foo($29) !gottprel | |
2333 | ldah $2,foo($29) !tprelhi | |
2334 | lda $3,foo($2) !tprello | |
2335 | lda $4,foo($29) !tprel' | |
2336 | tls_first_major=2 | |
2337 | tls_first_minor=13 | |
07a23b4e | 2338 | tls_as_opt=--fatal-warnings |
5f7b9df8 | 2339 | ;; |
cfd199cb | 2340 | frv*-*-*) |
2341 | conftest_s=' | |
2342 | .section ".tdata","awT",@progbits | |
2343 | x: .long 25 | |
2344 | .text | |
2345 | call #gettlsoff(x)' | |
2346 | tls_first_major=2 | |
2347 | tls_first_minor=14 | |
2348 | ;; | |
716b2c5a | 2349 | hppa*-*-linux*) |
2350 | conftest_s=' | |
2351 | t1: .reg %r20 | |
2352 | t2: .reg %r21 | |
2353 | gp: .reg %r19 | |
2354 | .section ".tdata","awT",@progbits | |
2355 | foo: .long 25 | |
2356 | .text | |
2357 | .align 4 | |
2358 | addil LT%foo-$tls_gdidx$,gp | |
2359 | ldo RT%foo-$tls_gdidx$(%r1),%arg0 | |
2360 | b __tls_get_addr | |
2361 | nop | |
2362 | addil LT%foo-$tls_ldidx$,gp | |
2363 | b __tls_get_addr | |
2364 | ldo RT%foo-$tls_ldidx$(%r1),%arg0 | |
2365 | addil LR%foo-$tls_dtpoff$,%ret0 | |
2366 | ldo RR%foo-$tls_dtpoff$(%r1),%t1 | |
2367 | mfctl %cr27,%t1 | |
2368 | addil LT%foo-$tls_ieoff$,gp | |
2369 | ldw RT%foo-$tls_ieoff$(%r1),%t2 | |
2370 | add %t1,%t2,%t3 | |
2371 | mfctl %cr27,%t1 | |
2372 | addil LR%foo-$tls_leoff$,%t1 | |
2373 | ldo RR%foo-$tls_leoff$(%r1),%t2' | |
2374 | tls_first_major=2 | |
2375 | tls_first_minor=15 | |
2376 | tls_as_opt=--fatal-warnings | |
2377 | ;; | |
f655717d | 2378 | arm*-*-*) |
2379 | conftest_s=' | |
2380 | .section ".tdata","awT",%progbits | |
2381 | foo: .long 25 | |
2382 | .text | |
2383 | .word foo(gottpoff) | |
2384 | .word foo(tpoff) | |
2385 | .word foo(tlsgd) | |
2386 | .word foo(tlsldm) | |
2387 | .word foo(tlsldo)' | |
2388 | tls_first_major=2 | |
2389 | tls_first_minor=17 | |
2390 | ;; | |
2d6788fe | 2391 | i[34567]86-*-*) |
2d6788fe | 2392 | conftest_s=' |
2393 | .section ".tdata","awT",@progbits | |
2394 | foo: .long 25 | |
2395 | .text | |
2396 | movl %gs:0, %eax | |
2397 | leal foo@TLSGD(,%ebx,1), %eax | |
2398 | leal foo@TLSLDM(%ebx), %eax | |
2399 | leal foo@DTPOFF(%eax), %edx | |
2400 | movl foo@GOTTPOFF(%ebx), %eax | |
2401 | subl foo@GOTTPOFF(%ebx), %eax | |
29d8dd5c | 2402 | addl foo@GOTNTPOFF(%ebx), %eax |
2403 | movl foo@INDNTPOFF, %eax | |
2d6788fe | 2404 | movl $foo@TPOFF, %eax |
2405 | subl $foo@TPOFF, %eax | |
2406 | leal foo@NTPOFF(%ecx), %eax' | |
2407 | tls_first_major=2 | |
29d8dd5c | 2408 | tls_first_minor=14 |
07a23b4e | 2409 | tls_as_opt=--fatal-warnings |
29d8dd5c | 2410 | ;; |
2411 | x86_64-*-*) | |
2412 | conftest_s=' | |
2413 | .section ".tdata","awT",@progbits | |
2414 | foo: .long 25 | |
2415 | .text | |
2416 | movq %fs:0, %rax | |
2417 | leaq foo@TLSGD(%rip), %rdi | |
2418 | leaq foo@TLSLD(%rip), %rdi | |
2419 | leaq foo@DTPOFF(%rax), %rdx | |
2420 | movq foo@GOTTPOFF(%rip), %rax | |
2421 | movq $foo@TPOFF, %rax' | |
2422 | tls_first_major=2 | |
2423 | tls_first_minor=14 | |
07a23b4e | 2424 | tls_as_opt=--fatal-warnings |
2d6788fe | 2425 | ;; |
c87e09ad | 2426 | ia64-*-*) |
2427 | conftest_s=' | |
2428 | .section ".tdata","awT",@progbits | |
2429 | foo: data8 25 | |
2430 | .text | |
2431 | addl r16 = @ltoff(@dtpmod(foo#)), gp | |
2432 | addl r17 = @ltoff(@dtprel(foo#)), gp | |
2433 | addl r18 = @ltoff(@tprel(foo#)), gp | |
2434 | addl r19 = @dtprel(foo#), gp | |
2435 | adds r21 = @dtprel(foo#), r13 | |
2436 | movl r23 = @dtprel(foo#) | |
2437 | addl r20 = @tprel(foo#), gp | |
2438 | adds r22 = @tprel(foo#), r13 | |
2439 | movl r24 = @tprel(foo#)' | |
2440 | tls_first_major=2 | |
2441 | tls_first_minor=13 | |
07a23b4e | 2442 | tls_as_opt=--fatal-warnings |
c87e09ad | 2443 | ;; |
42bdde4b | 2444 | mips*-*-*) |
2445 | conftest_s=' | |
2446 | .section .tdata,"awT",@progbits | |
2447 | x: | |
2448 | .word 2 | |
2449 | .text | |
2450 | addiu $4, $28, %tlsgd(x) | |
2451 | addiu $4, $28, %tlsldm(x) | |
2452 | lui $4, %dtprel_hi(x) | |
2453 | addiu $4, $4, %dtprel_lo(x) | |
2454 | lw $4, %gottprel(x)($28) | |
2455 | lui $4, %tprel_hi(x) | |
2456 | addiu $4, $4, %tprel_lo(x)' | |
2457 | tls_first_major=2 | |
2458 | tls_first_minor=16 | |
2459 | tls_as_opt='-32 --fatal-warnings' | |
2460 | ;; | |
9b552c45 | 2461 | powerpc-*-*) |
2462 | conftest_s=' | |
2463 | .section ".tdata","awT",@progbits | |
2464 | .align 2 | |
2465 | ld0: .space 4 | |
2466 | ld1: .space 4 | |
2467 | x1: .space 4 | |
2468 | x2: .space 4 | |
2469 | x3: .space 4 | |
2470 | .text | |
2471 | addi 3,31,ld0@got@tlsgd | |
2472 | bl __tls_get_addr | |
2473 | addi 3,31,x1@got@tlsld | |
2474 | bl __tls_get_addr | |
2475 | addi 9,3,x1@dtprel | |
2476 | addis 9,3,x2@dtprel@ha | |
2477 | addi 9,9,x2@dtprel@l | |
2478 | lwz 9,x3@got@tprel(31) | |
2479 | add 9,9,x@tls | |
2480 | addi 9,2,x1@tprel | |
2481 | addis 9,2,x2@tprel@ha | |
2482 | addi 9,9,x2@tprel@l' | |
2483 | tls_first_major=2 | |
2484 | tls_first_minor=14 | |
07a23b4e | 2485 | tls_as_opt="-a32 --fatal-warnings" |
9b552c45 | 2486 | ;; |
2487 | powerpc64-*-*) | |
2488 | conftest_s=' | |
2489 | .section ".tdata","awT",@progbits | |
2490 | .align 3 | |
2491 | ld0: .space 8 | |
2492 | ld1: .space 8 | |
2493 | x1: .space 8 | |
2494 | x2: .space 8 | |
2495 | x3: .space 8 | |
2496 | .text | |
2497 | addi 3,2,ld0@got@tlsgd | |
2498 | bl .__tls_get_addr | |
2499 | nop | |
2500 | addi 3,2,ld1@toc | |
2501 | bl .__tls_get_addr | |
2502 | nop | |
2503 | addi 3,2,x1@got@tlsld | |
2504 | bl .__tls_get_addr | |
2505 | nop | |
2506 | addi 9,3,x1@dtprel | |
2507 | bl .__tls_get_addr | |
2508 | nop | |
2509 | addis 9,3,x2@dtprel@ha | |
2510 | addi 9,9,x2@dtprel@l | |
2511 | bl .__tls_get_addr | |
2512 | nop | |
2513 | ld 9,x3@got@dtprel(2) | |
2514 | add 9,9,3 | |
2515 | bl .__tls_get_addr | |
2516 | nop' | |
2517 | tls_first_major=2 | |
2518 | tls_first_minor=14 | |
07a23b4e | 2519 | tls_as_opt="-a64 --fatal-warnings" |
9b552c45 | 2520 | ;; |
be00aaa8 | 2521 | s390-*-*) |
2522 | conftest_s=' | |
2523 | .section ".tdata","awT",@progbits | |
2524 | foo: .long 25 | |
2525 | .text | |
2526 | .long foo@TLSGD | |
2527 | .long foo@TLSLDM | |
2528 | .long foo@DTPOFF | |
2529 | .long foo@NTPOFF | |
2530 | .long foo@GOTNTPOFF | |
2531 | .long foo@INDNTPOFF | |
2532 | l %r1,foo@GOTNTPOFF(%r12) | |
2533 | l %r1,0(%r1):tls_load:foo | |
2534 | bas %r14,0(%r1,%r13):tls_gdcall:foo | |
2535 | bas %r14,0(%r1,%r13):tls_ldcall:foo' | |
2536 | tls_first_major=2 | |
2537 | tls_first_minor=14 | |
07a23b4e | 2538 | tls_as_opt="-m31 --fatal-warnings" |
be00aaa8 | 2539 | ;; |
2540 | s390x-*-*) | |
2541 | conftest_s=' | |
2542 | .section ".tdata","awT",@progbits | |
2543 | foo: .long 25 | |
2544 | .text | |
2545 | .quad foo@TLSGD | |
2546 | .quad foo@TLSLDM | |
2547 | .quad foo@DTPOFF | |
2548 | .quad foo@NTPOFF | |
2549 | .quad foo@GOTNTPOFF | |
2550 | lg %r1,foo@GOTNTPOFF(%r12) | |
2551 | larl %r1,foo@INDNTPOFF | |
2552 | brasl %r14,__tls_get_offset@PLT:tls_gdcall:foo | |
2553 | brasl %r14,__tls_get_offset@PLT:tls_ldcall:foo' | |
2554 | tls_first_major=2 | |
2555 | tls_first_minor=14 | |
07a23b4e | 2556 | tls_as_opt="-m64 -Aesame --fatal-warnings" |
be00aaa8 | 2557 | ;; |
ae852eea | 2558 | sh-*-* | sh[34]-*-*) |
2559 | conftest_s=' | |
2560 | .section ".tdata","awT",@progbits | |
2561 | foo: .long 25 | |
2562 | .text | |
2563 | .long foo@TLSGD | |
2564 | .long foo@TLSLDM | |
2565 | .long foo@DTPOFF | |
2566 | .long foo@GOTTPOFF | |
2567 | .long foo@TPOFF' | |
2568 | tls_first_major=2 | |
2569 | tls_first_minor=13 | |
07a23b4e | 2570 | tls_as_opt=--fatal-warnings |
ae852eea | 2571 | ;; |
05b3a83f | 2572 | sparc*-*-*) |
07a23b4e | 2573 | case "$target" in |
43eca37c | 2574 | sparc*-sun-solaris2.[56789]*) |
2575 | # TLS was introduced in the Solaris 9 4/04 release but | |
2576 | # we do not enable it by default on Solaris 9 either. | |
2577 | if test "x$enable_tls" = xyes ; then | |
2578 | on_solaris=yes | |
2579 | else | |
2580 | enable_tls=no; | |
2581 | fi | |
2582 | ;; | |
07a23b4e | 2583 | sparc*-sun-solaris2.*) |
2584 | on_solaris=yes | |
2585 | ;; | |
2586 | *) | |
2587 | on_solaris=no | |
2588 | ;; | |
2589 | esac | |
2590 | if test x$on_solaris = xyes && test x$gas_flag = xno; then | |
2591 | conftest_s=' | |
2592 | .section ".tdata",#alloc,#write,#tls | |
2593 | foo: .long 25 | |
2594 | .text | |
2595 | sethi %tgd_hi22(foo), %o0 | |
2596 | add %o0, %tgd_lo10(foo), %o1 | |
2597 | add %l7, %o1, %o0, %tgd_add(foo) | |
2598 | call __tls_get_addr, %tgd_call(foo) | |
2599 | sethi %tldm_hi22(foo), %l1 | |
2600 | add %l1, %tldm_lo10(foo), %l2 | |
2601 | add %l7, %l2, %o0, %tldm_add(foo) | |
2602 | call __tls_get_addr, %tldm_call(foo) | |
2603 | sethi %tldo_hix22(foo), %l3 | |
2604 | xor %l3, %tldo_lox10(foo), %l4 | |
2605 | add %o0, %l4, %l5, %tldo_add(foo) | |
2606 | sethi %tie_hi22(foo), %o3 | |
2607 | add %o3, %tie_lo10(foo), %o3 | |
2608 | ld [%l7 + %o3], %o2, %tie_ld(foo) | |
2609 | add %g7, %o2, %o4, %tie_add(foo) | |
2610 | sethi %tle_hix22(foo), %l1 | |
2611 | xor %l1, %tle_lox10(foo), %o5 | |
2612 | ld [%g7 + %o5], %o1' | |
2613 | tls_first_major=0 | |
2614 | tls_first_minor=0 | |
2615 | else | |
2616 | conftest_s=' | |
05b3a83f | 2617 | .section ".tdata","awT",@progbits |
2618 | foo: .long 25 | |
2619 | .text | |
2620 | sethi %tgd_hi22(foo), %o0 | |
2621 | add %o0, %tgd_lo10(foo), %o1 | |
2622 | add %l7, %o1, %o0, %tgd_add(foo) | |
2623 | call __tls_get_addr, %tgd_call(foo) | |
2624 | sethi %tldm_hi22(foo), %l1 | |
2625 | add %l1, %tldm_lo10(foo), %l2 | |
2626 | add %l7, %l2, %o0, %tldm_add(foo) | |
2627 | call __tls_get_addr, %tldm_call(foo) | |
2628 | sethi %tldo_hix22(foo), %l3 | |
2629 | xor %l3, %tldo_lox10(foo), %l4 | |
2630 | add %o0, %l4, %l5, %tldo_add(foo) | |
2631 | sethi %tie_hi22(foo), %o3 | |
2632 | add %o3, %tie_lo10(foo), %o3 | |
2633 | ld [%l7 + %o3], %o2, %tie_ld(foo) | |
2634 | add %g7, %o2, %o4, %tie_add(foo) | |
2635 | sethi %tle_hix22(foo), %l1 | |
2636 | xor %l1, %tle_lox10(foo), %o5 | |
2637 | ld [%g7 + %o5], %o1' | |
2638 | tls_first_major=2 | |
2639 | tls_first_minor=14 | |
07a23b4e | 2640 | tls_as_opt="-32 --fatal-warnings" |
2641 | fi | |
05b3a83f | 2642 | ;; |
2643 | changequote([,])dnl | |
2d6788fe | 2644 | esac |
c024e802 | 2645 | set_have_as_tls=no |
2646 | if test "x$enable_tls" = xno ; then | |
2647 | : # TLS explicitly disabled. | |
2648 | elif test "x$enable_tls" = xyes ; then | |
2649 | set_have_as_tls=yes # TLS explicitly enabled. | |
2650 | elif test -z "$tls_first_major"; then | |
6d6c1801 | 2651 | : # If we don't have a check, assume no support. |
2652 | else | |
2653 | gcc_GAS_CHECK_FEATURE(thread-local storage support, gcc_cv_as_tls, | |
07a23b4e | 2654 | [$tls_first_major,$tls_first_minor,0], [$tls_as_opt], [$conftest_s],, |
c024e802 | 2655 | [set_have_as_tls=yes]) |
2656 | fi | |
2657 | if test $set_have_as_tls = yes ; then | |
2658 | AC_DEFINE(HAVE_AS_TLS, 1, | |
2659 | [Define if your assembler supports thread-local storage.]) | |
2d6788fe | 2660 | fi |
6d6c1801 | 2661 | |
2662 | # Target-specific assembler checks. | |
2d6788fe | 2663 | |
79f90e2b | 2664 | AC_MSG_CHECKING(linker -Bstatic/-Bdynamic option) |
2665 | gcc_cv_ld_static_dynamic=no | |
2666 | if test $in_tree_ld = yes ; then | |
2667 | if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 10; then | |
2668 | gcc_cv_ld_static_dynamic=yes | |
2669 | fi | |
2670 | elif test x$gcc_cv_ld != x; then | |
2671 | # Check if linker supports -Bstatic/-Bdynamic option | |
2672 | if $gcc_cv_ld --help 2>/dev/null | grep -- -Bstatic > /dev/null \ | |
2673 | && $gcc_cv_ld --help 2>/dev/null | grep -- -Bdynamic > /dev/null; then | |
2674 | gcc_cv_ld_static_dynamic=yes | |
2675 | fi | |
2676 | fi | |
2677 | if test x"$gcc_cv_ld_static_dynamic" = xyes; then | |
2678 | AC_DEFINE(HAVE_LD_STATIC_DYNAMIC, 1, | |
2679 | [Define if your linker supports -Bstatic/-Bdynamic option.]) | |
2680 | fi | |
2681 | AC_MSG_RESULT($gcc_cv_ld_static_dynamic) | |
2682 | ||
9c948bc2 | 2683 | if test x"$demangler_in_ld" = xyes; then |
2684 | AC_MSG_CHECKING(linker --demangle support) | |
2685 | gcc_cv_ld_demangle=no | |
2686 | if test $in_tree_ld = yes; then | |
2687 | if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 14 -o "$gcc_cv_gld_major_version" -gt 2; then \ | |
2688 | gcc_cv_ld_demangle=yes | |
2689 | fi | |
2690 | elif test x$gcc_cv_ld != x -a x"$gnu_ld" = xyes; then | |
2691 | # Check if the GNU linker supports --demangle option | |
2692 | if $gcc_cv_ld --help 2>/dev/null | grep no-demangle > /dev/null; then | |
2693 | gcc_cv_ld_demangle=yes | |
2694 | fi | |
2695 | fi | |
2696 | if test x"$gcc_cv_ld_demangle" = xyes; then | |
2697 | AC_DEFINE(HAVE_LD_DEMANGLE, 1, | |
2698 | [Define if your linker supports --demangle option.]) | |
2699 | fi | |
2700 | AC_MSG_RESULT($gcc_cv_ld_demangle) | |
2701 | fi | |
2702 | ||
0d6378a9 | 2703 | case "$target" in |
8626dbb9 | 2704 | # All TARGET_ABI_OSF targets. |
2705 | alpha*-*-osf* | alpha*-*-linux* | alpha*-*-*bsd*) | |
6d6c1801 | 2706 | gcc_GAS_CHECK_FEATURE([explicit relocation support], |
2707 | gcc_cv_as_alpha_explicit_relocs, [2,12,0],, | |
2708 | [ .set nomacro | |
8626dbb9 | 2709 | .text |
2710 | extbl $3, $2, $3 !lituse_bytoff!1 | |
2711 | ldq $2, a($29) !literal!1 | |
2712 | ldq $4, b($29) !literal!2 | |
2713 | ldq_u $3, 0($2) !lituse_base!1 | |
2714 | ldq $27, f($29) !literal!5 | |
2715 | jsr $26, ($27), f !lituse_jsr!5 | |
2716 | ldah $29, 0($26) !gpdisp!3 | |
2717 | lda $0, c($29) !gprel | |
2718 | ldah $1, d($29) !gprelhigh | |
2719 | lda $1, d($1) !gprellow | |
6d6c1801 | 2720 | lda $29, 0($29) !gpdisp!3],, |
2721 | [AC_DEFINE(HAVE_AS_EXPLICIT_RELOCS, 1, | |
2722 | [Define if your assembler supports explicit relocations.])]) | |
592222c2 | 2723 | gcc_GAS_CHECK_FEATURE([jsrdirect relocation support], |
2724 | gcc_cv_as_alpha_jsrdirect_relocs, [2,16,90],, | |
2725 | [ .set nomacro | |
2726 | .text | |
2727 | ldq $27, a($29) !literal!1 | |
2728 | jsr $26, ($27), a !lituse_jsrdirect!1],, | |
2729 | [AC_DEFINE(HAVE_AS_JSRDIRECT_RELOCS, 1, | |
2730 | [Define if your assembler supports the lituse_jsrdirect relocation.])]) | |
8626dbb9 | 2731 | ;; |
4c335027 | 2732 | |
ce4d6134 | 2733 | cris-*-*) |
2734 | gcc_GAS_CHECK_FEATURE([-no-mul-bug-abort option], | |
2735 | gcc_cv_as_cris_no_mul_bug,[2,15,91], | |
2736 | [-no-mul-bug-abort], [.text],, | |
2737 | [AC_DEFINE(HAVE_AS_NO_MUL_BUG_ABORT_OPTION, 1, | |
2738 | [Define if your assembler supports the -no-mul-bug-abort option.])]) | |
2739 | ;; | |
2740 | ||
6d6c1801 | 2741 | sparc*-*-*) |
2742 | gcc_GAS_CHECK_FEATURE([.register], gcc_cv_as_sparc_register_op,,, | |
2743 | [.register %g2, #scratch],, | |
2744 | [AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1, | |
2745 | [Define if your assembler supports .register.])]) | |
2746 | ||
2747 | gcc_GAS_CHECK_FEATURE([-relax option], gcc_cv_as_sparc_relax,, | |
2748 | [-relax], [.text],, | |
2749 | [AC_DEFINE(HAVE_AS_RELAX_OPTION, 1, | |
2750 | [Define if your assembler supports -relax option.])]) | |
2751 | ||
2752 | gcc_GAS_CHECK_FEATURE([unaligned pcrel relocs], | |
2753 | gcc_cv_as_sparc_ua_pcrel,, | |
2754 | [-K PIC], | |
2755 | [.text | |
2756 | foo: | |
2757 | nop | |
2758 | .data | |
2759 | .align 4 | |
2760 | .byte 0 | |
2761 | .uaword %r_disp32(foo)], | |
2762 | [if test x$gcc_cv_ld != x \ | |
2763 | && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1; then | |
2764 | gcc_cv_as_sparc_ua_pcrel=yes | |
2765 | fi | |
2766 | rm -f conftest], | |
2767 | [AC_DEFINE(HAVE_AS_SPARC_UA_PCREL, 1, | |
66e333b1 | 2768 | [Define if your assembler and linker support unaligned PC relative relocs.]) |
e715c863 | 2769 | |
6d6c1801 | 2770 | gcc_GAS_CHECK_FEATURE([unaligned pcrel relocs against hidden symbols], |
2771 | gcc_cv_as_sparc_ua_pcrel_hidden,, | |
2772 | [-K PIC], | |
2773 | [.data | |
2774 | .align 4 | |
2775 | .byte 0x31 | |
2776 | .uaword %r_disp32(foo) | |
2777 | .byte 0x32, 0x33, 0x34 | |
2778 | .global foo | |
2779 | .hidden foo | |
2780 | foo: | |
2781 | .skip 4], | |
2782 | [if test x$gcc_cv_ld != x && test x$gcc_cv_objdump != x \ | |
2783 | && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1 \ | |
2784 | && $gcc_cv_objdump -s -j .data conftest 2> /dev/null \ | |
2785 | | grep ' 31000000 07323334' > /dev/null 2>&1; then | |
2786 | if $gcc_cv_objdump -R conftest 2> /dev/null \ | |
2787 | | grep 'DISP32' > /dev/null 2>&1; then | |
2788 | : | |
5a49bf3e | 2789 | else |
6d6c1801 | 2790 | gcc_cv_as_sparc_ua_pcrel_hidden=yes |
0569c094 | 2791 | fi |
6d6c1801 | 2792 | fi |
2793 | rm -f conftest], | |
2794 | [AC_DEFINE(HAVE_AS_SPARC_UA_PCREL_HIDDEN, 1, | |
2795 | [Define if your assembler and linker support unaligned PC relative relocs against hidden symbols.])]) | |
2796 | ]) # unaligned pcrel relocs | |
2797 | ||
2798 | gcc_GAS_CHECK_FEATURE([offsetable %lo()], | |
2799 | gcc_cv_as_sparc_offsetable_lo10,, | |
2800 | [-xarch=v9], | |
2801 | [.text | |
2802 | or %g1, %lo(ab) + 12, %g1 | |
2803 | or %g1, %lo(ab + 12), %g1], | |
2804 | [if test x$gcc_cv_objdump != x \ | |
7908b1a1 | 2805 | && $gcc_cv_objdump -s -j .text conftest.o 2> /dev/null \ |
6d6c1801 | 2806 | | grep ' 82106000 82106000' > /dev/null 2>&1; then |
19f7ae9a | 2807 | gcc_cv_as_sparc_offsetable_lo10=yes |
6d6c1801 | 2808 | fi], |
2809 | [AC_DEFINE(HAVE_AS_OFFSETABLE_LO10, 1, | |
2810 | [Define if your assembler supports offsetable %lo().])]) | |
d300bd48 | 2811 | ;; |
2812 | ||
2813 | changequote(,)dnl | |
96b9fbc1 | 2814 | i[34567]86-*-* | x86_64-*-*) |
d300bd48 | 2815 | changequote([,])dnl |
1f10d387 | 2816 | case $target_os in |
2817 | cygwin* | pe | mingw32*) | |
2818 | # Used for DWARF 2 in PE | |
2819 | gcc_GAS_CHECK_FEATURE([.secrel32 relocs], | |
2820 | gcc_cv_as_ix86_pe_secrel32, | |
2821 | [2,15,91],, | |
2822 | [.text | |
2823 | foo: nop | |
2824 | .data | |
2825 | .secrel32 foo], | |
2826 | [if test x$gcc_cv_ld != x \ | |
2827 | && $gcc_cv_ld -o conftest conftest.o > /dev/null 2>&1; then | |
2828 | gcc_cv_as_ix86_pe_secrel32=yes | |
2829 | fi | |
2830 | rm -f conftest], | |
2831 | [AC_DEFINE(HAVE_GAS_PE_SECREL32_RELOC, 1, | |
2832 | [Define if your assembler and linker support 32-bit section relative relocs via '.secrel32 label'.])]) | |
2833 | ;; | |
2834 | esac | |
2835 | ||
6d6c1801 | 2836 | gcc_GAS_CHECK_FEATURE([filds and fists mnemonics], |
2837 | gcc_cv_as_ix86_filds_fists, | |
2838 | [2,9,0],, [filds mem; fists mem],, | |
2839 | [AC_DEFINE(HAVE_GAS_FILDS_FISTS, 1, | |
2840 | [Define if your assembler uses the new HImode fild and fist notation.])]) | |
2841 | ||
65cce9df | 2842 | gcc_GAS_CHECK_FEATURE([cmov syntax], |
2843 | gcc_cv_as_ix86_cmov_sun_syntax,,, | |
2844 | [cmovl.l %edx, %eax],, | |
2845 | [AC_DEFINE(HAVE_AS_IX86_CMOV_SUN_SYNTAX, 1, | |
2846 | [Define if your assembler supports the Sun syntax for cmov.])]) | |
2847 | ||
97f2677a | 2848 | gcc_GAS_CHECK_FEATURE([ffreep mnemonic], |
2849 | gcc_cv_as_ix86_ffreep,,, | |
2850 | [ffreep %st(1)],, | |
2851 | [AC_DEFINE(HAVE_AS_IX86_FFREEP, 1, | |
2852 | [Define if your assembler supports the ffreep mnemonic.])]) | |
2853 | ||
95792072 | 2854 | gcc_GAS_CHECK_FEATURE([different section symbol subtraction], |
2855 | gcc_cv_as_ix86_diff_sect_delta,,, | |
2856 | [.section .rodata | |
2857 | .L1: | |
2858 | .long .L2-.L1 | |
2859 | .long .L3-.L1 | |
2860 | .text | |
2861 | .L3: nop | |
2862 | .L2: nop],, | |
2863 | [AC_DEFINE(HAVE_AS_IX86_DIFF_SECT_DELTA, 1, | |
2864 | [Define if your assembler supports the subtraction of symbols in different sections.])]) | |
2865 | ||
f079b855 | 2866 | # This one is used unconditionally by i386.[ch]; it is to be defined |
2867 | # to 1 if the feature is present, 0 otherwise. | |
6d6c1801 | 2868 | gcc_GAS_CHECK_FEATURE([GOTOFF in data], |
2869 | gcc_cv_as_ix86_gotoff_in_data, [2,11,0],, | |
2870 | [ .text | |
bb006a84 | 2871 | .L0: |
2872 | nop | |
2873 | .data | |
f079b855 | 2874 | .long .L0@GOTOFF]) |
2875 | AC_DEFINE_UNQUOTED(HAVE_AS_GOTOFF_IN_DATA, | |
2876 | [`if test $gcc_cv_as_ix86_gotoff_in_data = yes; then echo 1; else echo 0; fi`], | |
2877 | [Define true if the assembler supports '.long foo@GOTOFF'.]) | |
d300bd48 | 2878 | ;; |
0cc4b4a2 | 2879 | |
2880 | ia64*-*-*) | |
6d6c1801 | 2881 | gcc_GAS_CHECK_FEATURE([ltoffx and ldxmov relocs], |
2882 | gcc_cv_as_ia64_ltoffx_ldxmov_relocs, [2,14,0],, | |
13f3d840 | 2883 | [ .text |
0cc4b4a2 | 2884 | addl r15 = @ltoffx(x#), gp |
2885 | ;; | |
13f3d840 | 2886 | ld8.mov r16 = [[r15]], x#],, |
6d6c1801 | 2887 | [AC_DEFINE(HAVE_AS_LTOFFX_LDXMOV_RELOCS, 1, |
2888 | [Define if your assembler supports ltoffx and ldxmov relocations.])]) | |
2889 | ||
0cc4b4a2 | 2890 | ;; |
6d6c1801 | 2891 | |
24880e5b | 2892 | powerpc*-*-*) |
6d6c1801 | 2893 | case $target in |
a8bb341c | 2894 | *-*-aix*) conftest_s=' .machine "pwr5" |
2895 | .csect .text[[PR]] | |
3ba829c3 | 2896 | mfcr 3,128';; |
cd0c3d24 | 2897 | *-*-darwin*) |
2898 | gcc_GAS_CHECK_FEATURE([.machine directive support], | |
2899 | gcc_cv_as_machine_directive,,, | |
2900 | [ .machine ppc7400]) | |
2901 | if test x$gcc_cv_as_machine_directive != xyes; then | |
2902 | echo "*** This target requires an assembler supporting \".machine\"" >&2 | |
2903 | echo you can get it from: ftp://gcc.gnu.org/pub/gcc/infrastructure/cctools-528.5.dmg >&2 | |
2904 | test x$build = x$target && exit 1 | |
2905 | fi | |
2906 | conftest_s=' .text | |
3ba829c3 | 2907 | mfcr r3,128';; |
ce1a729a | 2908 | *) conftest_s=' .machine power4 |
4adb2d8e | 2909 | .text |
3ba829c3 | 2910 | mfcr 3,128';; |
6d6c1801 | 2911 | esac |
6d6c1801 | 2912 | |
2913 | gcc_GAS_CHECK_FEATURE([mfcr field support], | |
2914 | gcc_cv_as_powerpc_mfcrf, [2,14,0],, | |
2915 | [$conftest_s],, | |
2916 | [AC_DEFINE(HAVE_AS_MFCRF, 1, | |
2917 | [Define if your assembler supports mfcr field.])]) | |
a8bb341c | 2918 | |
2919 | case $target in | |
2920 | *-*-aix*) conftest_s=' .machine "pwr5" | |
2921 | .csect .text[[PR]] | |
2922 | popcntb 3,3';; | |
2923 | *) conftest_s=' .machine power5 | |
2924 | .text | |
2925 | popcntb 3,3';; | |
2926 | esac | |
2927 | ||
2928 | gcc_GAS_CHECK_FEATURE([popcntb support], | |
2929 | gcc_cv_as_powerpc_popcntb, [2,17,0],, | |
2930 | [$conftest_s],, | |
2931 | [AC_DEFINE(HAVE_AS_POPCNTB, 1, | |
2932 | [Define if your assembler supports popcntb field.])]) | |
2933 | ||
a6018579 | 2934 | case $target in |
2935 | *-*-aix*) conftest_s=' .machine "pwr5x" | |
2936 | .csect .text[[PR]] | |
2937 | frin 1,1';; | |
015fab10 | 2938 | *) conftest_s=' .machine power5 |
a6018579 | 2939 | .text |
2940 | frin 1,1';; | |
2941 | esac | |
2942 | ||
2943 | gcc_GAS_CHECK_FEATURE([fp round support], | |
2944 | gcc_cv_as_powerpc_fprnd, [2,17,0],, | |
2945 | [$conftest_s],, | |
2946 | [AC_DEFINE(HAVE_AS_FPRND, 1, | |
2947 | [Define if your assembler supports fprnd.])]) | |
2948 | ||
c15fcd1f | 2949 | case $target in |
2950 | *-*-aix*) conftest_s=' .machine "pwr6" | |
2951 | .csect .text[[PR]] | |
2952 | mffgpr 1,3';; | |
2953 | *) conftest_s=' .machine power6 | |
2954 | .text | |
2955 | mffgpr 1,3';; | |
2956 | esac | |
2957 | ||
2958 | gcc_GAS_CHECK_FEATURE([move fp gpr support], | |
2959 | gcc_cv_as_powerpc_mfpgpr, [9,99,0],, | |
2960 | [$conftest_s],, | |
2961 | [AC_DEFINE(HAVE_AS_MFPGPR, 1, | |
2962 | [Define if your assembler supports mffgpr and mftgpr.])]) | |
2963 | ||
197f58fa | 2964 | case $target in |
2965 | *-*-aix*) conftest_s=' .csect .text[[PR]] | |
2966 | LCF..0: | |
2967 | addis 11,30,_GLOBAL_OFFSET_TABLE_-LCF..0@ha';; | |
2968 | *-*-darwin*) | |
2969 | conftest_s=' .text | |
2970 | LCF0: | |
2971 | addis r11,r30,_GLOBAL_OFFSET_TABLE_-LCF0@ha';; | |
2972 | *) conftest_s=' .text | |
2973 | .LCF0: | |
2974 | addis 11,30,_GLOBAL_OFFSET_TABLE_-.LCF0@ha';; | |
2975 | esac | |
2976 | ||
2977 | gcc_GAS_CHECK_FEATURE([rel16 relocs], | |
2978 | gcc_cv_as_powerpc_rel16, [2,17,0], -a32, | |
2979 | [$conftest_s],, | |
2980 | [AC_DEFINE(HAVE_AS_REL16, 1, | |
2981 | [Define if your assembler supports R_PPC_REL16 relocs.])]) | |
24880e5b | 2982 | ;; |
d6723bcd | 2983 | |
6d6c1801 | 2984 | mips*-*-*) |
2985 | gcc_GAS_CHECK_FEATURE([explicit relocation support], | |
2986 | gcc_cv_as_mips_explicit_relocs, [2,14,0],, | |
2987 | [ lw $4,%gp_rel(foo)($4)],, | |
2988 | [if test x$target_cpu_default = x | |
2989 | then target_cpu_default=MASK_EXPLICIT_RELOCS | |
2990 | else target_cpu_default="($target_cpu_default)|MASK_EXPLICIT_RELOCS" | |
2991 | fi]) | |
f863d3e3 | 2992 | gcc_GAS_CHECK_FEATURE([-mno-shared support], |
2993 | gcc_cv_as_mips_no_shared, [2,16,0], [-mno-shared], [nop],, | |
2994 | [AC_DEFINE(HAVE_AS_NO_SHARED, 1, | |
2995 | [Define if the assembler understands -mno-shared.])]) | |
c8aeaa6d | 2996 | ;; |
2997 | esac | |
2998 | ||
2999 | # Mips and HP-UX need the GNU assembler. | |
3000 | # Linux on IA64 might be able to use the Intel assembler. | |
6d6c1801 | 3001 | |
c8aeaa6d | 3002 | case "$target" in |
3003 | mips*-*-* | *-*-hpux* ) | |
6e930e6c | 3004 | if test x$gas_flag = xyes \ |
3005 | || test x"$host" != x"$build" \ | |
3006 | || test ! -x "$gcc_cv_as" \ | |
3007 | || "$gcc_cv_as" -v < /dev/null 2>&1 | grep GNU > /dev/null; then | |
3008 | : | |
3009 | else | |
3010 | echo "*** This configuration requires the GNU assembler" >&2 | |
3011 | exit 1 | |
3012 | fi | |
6d6c1801 | 3013 | ;; |
3014 | esac | |
c8aeaa6d | 3015 | |
142cf471 | 3016 | # ??? Not all targets support dwarf2 debug_line, even within a version |
3017 | # of gas. Moreover, we need to emit a valid instruction to trigger any | |
3018 | # info to the output file. So, as supported targets are added to gas 2.11, | |
3019 | # add some instruction here to (also) show we expect this might work. | |
3020 | # ??? Once 2.11 is released, probably need to add first known working | |
3021 | # version to the per-target configury. | |
3022 | case "$target" in | |
549c28fd | 3023 | i?86*-*-* | mips*-*-* | alpha*-*-* | powerpc*-*-* | sparc*-*-* | m68*-*-* \ |
482662fd | 3024 | | x86_64*-*-* | hppa*-*-* | arm*-*-* | strongarm*-*-* | xscale*-*-* \ |
c1628342 | 3025 | | xstormy16*-*-* | cris-*-* | xtensa-*-* | bfin-*-* | score*-*-*) |
142cf471 | 3026 | insn="nop" |
3027 | ;; | |
15dff672 | 3028 | ia64*-*-* | s390*-*-*) |
142cf471 | 3029 | insn="nop 0" |
3030 | ;; | |
482662fd | 3031 | mmix-*-*) |
3032 | insn="swym 0" | |
3033 | ;; | |
6d6c1801 | 3034 | esac |
3035 | if test x"$insn" != x; then | |
3036 | conftest_s="\ | |
3037 | .file 1 \"conftest.s\" | |
3038 | .loc 1 3 0 | |
3039 | $insn" | |
3040 | gcc_GAS_CHECK_FEATURE([dwarf2 debug_line support], | |
3041 | gcc_cv_as_dwarf2_debug_line, | |
3042 | [elf,2,11,0],, [$conftest_s], | |
1b33a244 | 3043 | [if test x$gcc_cv_objdump != x \ |
3044 | && $gcc_cv_objdump -h conftest.o 2> /dev/null \ | |
3045 | | grep debug_line > /dev/null 2>&1; then | |
6d6c1801 | 3046 | gcc_cv_as_dwarf2_debug_line=yes |
3047 | fi]) | |
3048 | ||
3049 | # The .debug_line file table must be in the exact order that | |
3050 | # we specified the files, since these indices are also used | |
3051 | # by DW_AT_decl_file. Approximate this test by testing if | |
3052 | # the assembler bitches if the same index is assigned twice. | |
3053 | gcc_GAS_CHECK_FEATURE([buggy dwarf2 .file directive], | |
3054 | gcc_cv_as_dwarf2_file_buggy,,, | |
3055 | [ .file 1 "foo.s" | |
3056 | .file 1 "bar.s"]) | |
3057 | ||
3058 | if test $gcc_cv_as_dwarf2_debug_line = yes \ | |
3059 | && test $gcc_cv_as_dwarf2_file_buggy = no; then | |
142cf471 | 3060 | AC_DEFINE(HAVE_AS_DWARF2_DEBUG_LINE, 1, |
6d6c1801 | 3061 | [Define if your assembler supports dwarf2 .file/.loc directives, |
4a82352a | 3062 | and preserves file table indices exactly as given.]) |
6d6c1801 | 3063 | fi |
3064 | ||
3065 | gcc_GAS_CHECK_FEATURE([--gdwarf2 option], | |
3066 | gcc_cv_as_gdwarf2_flag, | |
3067 | [elf,2,11,0], [--gdwarf2], [$insn],, | |
3068 | [AC_DEFINE(HAVE_AS_GDWARF2_DEBUG_FLAG, 1, | |
3069 | [Define if your assembler supports the --gdwarf2 option.])]) | |
3070 | ||
3071 | gcc_GAS_CHECK_FEATURE([--gstabs option], | |
3072 | gcc_cv_as_gstabs_flag, | |
3073 | [elf,2,11,0], [--gstabs], [$insn], | |
3074 | [# The native Solaris 9/Intel assembler doesn't understand --gstabs | |
3075 | # and warns about it, but still exits successfully. So check for | |
3076 | # this. | |
3077 | if AC_TRY_COMMAND([$gcc_cv_as --gstabs -o conftest.o conftest.s 2>&1 | grep -i warning > /dev/null]) | |
3078 | then : | |
3079 | else gcc_cv_as_gstabs_flag=yes | |
3080 | fi], | |
3081 | [AC_DEFINE(HAVE_AS_GSTABS_DEBUG_FLAG, 1, | |
3082 | [Define if your assembler supports the --gstabs option.])]) | |
142cf471 | 3083 | fi |
1a6f9700 | 3084 | |
d5720b0c | 3085 | AC_MSG_CHECKING(linker read-only and read-write section mixing) |
3086 | gcc_cv_ld_ro_rw_mix=unknown | |
7349ace9 | 3087 | if test $in_tree_ld = yes ; then |
0dac358a | 3088 | if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 10 -o "$gcc_cv_gld_major_version" -gt 2 \ |
3089 | && test $in_tree_ld_is_elf = yes; then | |
d5720b0c | 3090 | gcc_cv_ld_ro_rw_mix=read-write |
3091 | fi | |
3092 | elif test x$gcc_cv_as != x -a x$gcc_cv_ld != x -a x$gcc_cv_objdump != x ; then | |
67215fdd | 3093 | echo '.section myfoosect, "a"' > conftest1.s |
3094 | echo '.section myfoosect, "aw"' > conftest2.s | |
d5720b0c | 3095 | echo '.byte 1' >> conftest2.s |
67215fdd | 3096 | echo '.section myfoosect, "a"' > conftest3.s |
d5720b0c | 3097 | echo '.byte 0' >> conftest3.s |
c96f876e | 3098 | if $gcc_cv_as -o conftest1.o conftest1.s > /dev/null 2>&1 \ |
3099 | && $gcc_cv_as -o conftest2.o conftest2.s > /dev/null 2>&1 \ | |
3100 | && $gcc_cv_as -o conftest3.o conftest3.s > /dev/null 2>&1 \ | |
d5720b0c | 3101 | && $gcc_cv_ld -shared -o conftest1.so conftest1.o \ |
a271d9f9 | 3102 | conftest2.o conftest3.o > /dev/null 2>&1; then |
d5720b0c | 3103 | gcc_cv_ld_ro_rw_mix=`$gcc_cv_objdump -h conftest1.so \ |
a271d9f9 | 3104 | | sed -e '/myfoosect/!d' -e N` |
d5720b0c | 3105 | if echo "$gcc_cv_ld_ro_rw_mix" | grep CONTENTS > /dev/null; then |
3106 | if echo "$gcc_cv_ld_ro_rw_mix" | grep READONLY > /dev/null; then | |
3107 | gcc_cv_ld_ro_rw_mix=read-only | |
3108 | else | |
3109 | gcc_cv_ld_ro_rw_mix=read-write | |
3110 | fi | |
3111 | fi | |
3112 | fi | |
3113 | changequote(,)dnl | |
3114 | rm -f conftest.* conftest[123].* | |
3115 | changequote([,])dnl | |
3116 | fi | |
3117 | if test x$gcc_cv_ld_ro_rw_mix = xread-write; then | |
3118 | AC_DEFINE(HAVE_LD_RO_RW_SECTION_MIXING, 1, | |
3119 | [Define if your linker links a mix of read-only | |
3120 | and read-write sections into a read-write section.]) | |
3121 | fi | |
3122 | AC_MSG_RESULT($gcc_cv_ld_ro_rw_mix) | |
3123 | ||
0d6378a9 | 3124 | AC_MSG_CHECKING(linker PT_GNU_EH_FRAME support) |
3125 | gcc_cv_ld_eh_frame_hdr=no | |
7349ace9 | 3126 | if test $in_tree_ld = yes ; then |
0dac358a | 3127 | if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 12 -o "$gcc_cv_gld_major_version" -gt 2 \ |
3128 | && test $in_tree_ld_is_elf = yes; then | |
0d6378a9 | 3129 | gcc_cv_ld_eh_frame_hdr=yes |
3130 | fi | |
3131 | elif test x$gcc_cv_ld != x; then | |
3132 | # Check if linker supports --eh-frame-hdr option | |
3133 | if $gcc_cv_ld --help 2>/dev/null | grep eh-frame-hdr > /dev/null; then | |
3134 | gcc_cv_ld_eh_frame_hdr=yes | |
3135 | fi | |
3136 | fi | |
fcd42b1e | 3137 | GCC_TARGET_TEMPLATE([HAVE_LD_EH_FRAME_HDR]) |
0d6378a9 | 3138 | if test x"$gcc_cv_ld_eh_frame_hdr" = xyes; then |
3139 | AC_DEFINE(HAVE_LD_EH_FRAME_HDR, 1, | |
3140 | [Define if your linker supports --eh-frame-hdr option.]) | |
3141 | fi | |
3142 | AC_MSG_RESULT($gcc_cv_ld_eh_frame_hdr) | |
3143 | ||
c3ce66b0 | 3144 | AC_MSG_CHECKING(linker position independent executable support) |
3145 | gcc_cv_ld_pie=no | |
3146 | if test $in_tree_ld = yes ; then | |
0dac358a | 3147 | if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 15 -o "$gcc_cv_gld_major_version" -gt 2 \ |
3148 | && test $in_tree_ld_is_elf = yes; then | |
c3ce66b0 | 3149 | gcc_cv_ld_pie=yes |
3150 | fi | |
3151 | elif test x$gcc_cv_ld != x; then | |
3152 | # Check if linker supports -pie option | |
3153 | if $gcc_cv_ld --help 2>/dev/null | grep -- -pie > /dev/null; then | |
3154 | gcc_cv_ld_pie=yes | |
3155 | fi | |
3156 | fi | |
3157 | if test x"$gcc_cv_ld_pie" = xyes; then | |
3158 | AC_DEFINE(HAVE_LD_PIE, 1, | |
3159 | [Define if your linker supports -pie option.]) | |
3160 | fi | |
3161 | AC_MSG_RESULT($gcc_cv_ld_pie) | |
3162 | ||
0a011112 | 3163 | AC_MSG_CHECKING(linker EH-compatible garbage collection of sections) |
3164 | gcc_cv_ld_eh_gc_sections=no | |
3165 | if test $in_tree_ld = yes ; then | |
3166 | if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 17 -o "$gcc_cv_gld_major_version" -gt 2 \ | |
3167 | && test $in_tree_ld_is_elf = yes; then | |
3168 | gcc_cv_ld_eh_gc_sections=yes | |
3169 | fi | |
3170 | elif test x$gcc_cv_as != x -a x$gcc_cv_ld != x -a x$gcc_cv_objdump != x ; then | |
3171 | cat > conftest.s <<EOF | |
3172 | .section .text | |
3173 | .globl _start | |
3174 | .type _start, @function | |
3175 | _start: | |
3176 | .long foo | |
3177 | .size _start, .-_start | |
3178 | .section .text.foo,"ax",@progbits | |
3179 | .type foo, @function | |
3180 | foo: | |
3181 | .long 0 | |
3182 | .size foo, .-foo | |
3183 | .section .gcc_except_table.foo,"a",@progbits | |
3184 | .L0: | |
3185 | .long 0 | |
3186 | .section .eh_frame,"a",@progbits | |
3187 | .long .L0 | |
3188 | EOF | |
3189 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
3190 | if $gcc_cv_ld -o conftest conftest.o --entry=_start --gc-sections 2>&1 \ | |
3191 | | grep "gc-sections option ignored" > /dev/null; then | |
3192 | gcc_cv_ld_eh_gc_sections=no | |
3193 | elif $gcc_cv_objdump -h conftest | grep gcc_except_table > /dev/null; then | |
3194 | gcc_cv_ld_eh_gc_sections=yes | |
3195 | fi | |
3196 | fi | |
3197 | rm -f conftest.s conftest.o conftest | |
3198 | fi | |
3199 | if test x$gcc_cv_ld_eh_gc_sections = xyes; then | |
3200 | AC_DEFINE(HAVE_LD_EH_GC_SECTIONS, 1, | |
3201 | [Define if your linker supports garbage collection of | |
3202 | sections in presence of EH frames.]) | |
3203 | fi | |
3204 | AC_MSG_RESULT($gcc_cv_ld_eh_gc_sections) | |
3205 | ||
d8a2ca58 | 3206 | # -------- |
3207 | # UNSORTED | |
3208 | # -------- | |
3209 | ||
11a4b5d2 | 3210 | AC_CACHE_CHECK(linker --as-needed support, |
3211 | gcc_cv_ld_as_needed, | |
3212 | [gcc_cv_ld_as_needed=no | |
6a40149e | 3213 | if test $in_tree_ld = yes ; then |
3214 | if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 16 -o "$gcc_cv_gld_major_version" -gt 2 \ | |
3215 | && test $in_tree_ld_is_elf = yes; then | |
3216 | gcc_cv_ld_as_needed=yes | |
3217 | fi | |
3218 | elif test x$gcc_cv_ld != x; then | |
3219 | # Check if linker supports --as-needed and --no-as-needed options | |
3220 | if $gcc_cv_ld --help 2>/dev/null | grep as-needed > /dev/null; then | |
3221 | gcc_cv_ld_as_needed=yes | |
3222 | fi | |
3223 | fi | |
11a4b5d2 | 3224 | ]) |
6a40149e | 3225 | if test x"$gcc_cv_ld_as_needed" = xyes; then |
3226 | AC_DEFINE(HAVE_LD_AS_NEEDED, 1, | |
3227 | [Define if your linker supports --as-needed and --no-as-needed options.]) | |
3228 | fi | |
6a40149e | 3229 | |
4de3052c | 3230 | case "$target:$tm_file" in |
3231 | powerpc64*-*-linux* | powerpc*-*-linux*rs6000/biarch64.h*) | |
66ebfa67 | 3232 | AC_CACHE_CHECK(linker support for omitting dot symbols, |
3233 | gcc_cv_ld_no_dot_syms, | |
3234 | [gcc_cv_ld_no_dot_syms=no | |
3235 | if test $in_tree_ld = yes ; then | |
3236 | if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 16 -o "$gcc_cv_gld_major_version" -gt 2; then | |
3237 | gcc_cv_ld_no_dot_syms=yes | |
3238 | fi | |
3239 | elif test x$gcc_cv_as != x -a x$gcc_cv_ld != x ; then | |
3240 | cat > conftest1.s <<EOF | |
3241 | .text | |
3242 | bl .foo | |
3243 | EOF | |
3244 | cat > conftest2.s <<EOF | |
3245 | .section ".opd","aw" | |
3246 | .align 3 | |
3247 | .globl foo | |
3248 | .type foo,@function | |
3249 | foo: | |
3250 | .quad .LEfoo,.TOC.@tocbase,0 | |
3251 | .text | |
3252 | .LEfoo: | |
3253 | blr | |
3254 | .size foo,.-.LEfoo | |
3255 | EOF | |
3256 | if $gcc_cv_as -a64 -o conftest1.o conftest1.s > /dev/null 2>&1 \ | |
3257 | && $gcc_cv_as -a64 -o conftest2.o conftest2.s > /dev/null 2>&1 \ | |
3258 | && $gcc_cv_ld -melf64ppc -o conftest conftest1.o conftest2.o > /dev/null 2>&1; then | |
3259 | gcc_cv_ld_no_dot_syms=yes | |
3260 | fi | |
3261 | rm -f conftest conftest1.o conftest2.o conftest1.s conftest2.s | |
3262 | fi | |
3263 | ]) | |
3264 | if test x"$gcc_cv_ld_no_dot_syms" = xyes; then | |
3265 | AC_DEFINE(HAVE_LD_NO_DOT_SYMS, 1, | |
3266 | [Define if your PowerPC64 linker only needs function descriptor syms.]) | |
3267 | fi | |
3268 | ;; | |
3269 | esac | |
3270 | ||
b6bcc48f | 3271 | AC_CACHE_CHECK(linker --sysroot support, |
3272 | gcc_cv_ld_sysroot, | |
3273 | [gcc_cv_ld_sysroot=no | |
3274 | if test $in_tree_ld = yes ; then | |
3275 | if test "$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 | 3276 | gcc_cv_ld_sysroot=yes |
b6bcc48f | 3277 | fi |
3278 | elif test x$gcc_cv_ld != x; then | |
3279 | if $gcc_cv_ld --help 2>/dev/null | grep sysroot > /dev/null; then | |
3280 | gcc_cv_ld_sysroot=yes | |
3281 | fi | |
3282 | fi]) | |
3283 | if test x"$gcc_cv_ld_sysroot" = xyes; then | |
3284 | AC_DEFINE(HAVE_LD_SYSROOT, 1, | |
3285 | [Define if your linker supports --sysroot.]) | |
3286 | fi | |
3287 | ||
7b6408ee | 3288 | if test x$with_sysroot = x && test x$host = x$target \ |
41c555b5 | 3289 | && test "$prefix" != "/usr" && test "x$prefix" != "x$local_prefix" \ |
3290 | && test "$prefix" != "NONE"; then | |
6d6c1801 | 3291 | AC_DEFINE_UNQUOTED(PREFIX_INCLUDE_DIR, "$prefix/include", |
3292 | [Define to PREFIX/include if cpp should also search that directory.]) | |
759d75c3 | 3293 | fi |
3294 | ||
0d55f4d0 | 3295 | # Test for stack protector support in target C library. |
3296 | case "$target" in | |
3297 | *-*-linux*) | |
3298 | AC_CACHE_CHECK(__stack_chk_fail in target GNU C library, | |
3299 | gcc_cv_libc_provides_ssp, | |
3300 | [gcc_cv_libc_provides_ssp=no | |
3301 | if test x$host != x$target || test "x$TARGET_SYSTEM_ROOT" != x; then | |
3302 | if test "x$with_sysroot" = x; then | |
3303 | glibc_header_dir="${exec_prefix}/${target_noncanonical}/sys-include" | |
3304 | elif test "x$with_sysroot" = xyes; then | |
3305 | glibc_header_dir="${exec_prefix}/${target_noncanonical}/sys-root/usr/include" | |
3306 | else | |
3307 | glibc_header_dir="${with_sysroot}/usr/include" | |
3308 | fi | |
3309 | else | |
3310 | glibc_header_dir=/usr/include | |
3311 | fi | |
3312 | # glibc 2.4 and later provides __stack_chk_fail and | |
3313 | # either __stack_chk_guard, or TLS access to stack guard canary. | |
3314 | if test -f $glibc_header_dir/features.h \ | |
3315 | && $EGREP '^@<:@ @:>@*#[ ]*define[ ]+__GNU_LIBRARY__[ ]+([1-9][0-9]|[6-9])' \ | |
3316 | $glibc_header_dir/features.h > /dev/null; then | |
3317 | if $EGREP '^@<:@ @:>@*#[ ]*define[ ]+__GLIBC__[ ]+([1-9][0-9]|[3-9])' \ | |
3318 | $glibc_header_dir/features.h > /dev/null; then | |
3319 | gcc_cv_libc_provides_ssp=yes | |
3320 | elif $EGREP '^@<:@ @:>@*#[ ]*define[ ]+__GLIBC__[ ]+2' \ | |
3321 | $glibc_header_dir/features.h > /dev/null \ | |
3322 | && $EGREP '^@<:@ @:>@*#[ ]*define[ ]+__GLIBC_MINOR__[ ]+([1-9][0-9]|[4-9])' \ | |
3323 | $glibc_header_dir/features.h > /dev/null; then | |
3324 | gcc_cv_libc_provides_ssp=yes | |
3325 | fi | |
3326 | fi]) ;; | |
3327 | *) gcc_cv_libc_provides_ssp=no ;; | |
3328 | esac | |
3329 | if test x$gcc_cv_libc_provides_ssp = xyes; then | |
3330 | AC_DEFINE(TARGET_LIBC_PROVIDES_SSP, 1, | |
3331 | [Define if your target C library provides stack protector support]) | |
3332 | fi | |
3333 | ||
2dde0cc6 | 3334 | # Check if TFmode long double should be used by default or not. |
3335 | # Some glibc targets used DFmode long double, but with glibc 2.4 | |
3336 | # and later they can use TFmode. | |
3337 | case "$target" in | |
3338 | powerpc*-*-*gnu* | \ | |
3339 | sparc*-*-linux* | \ | |
3340 | s390*-*-linux* | \ | |
3341 | alpha*-*-linux*) | |
3342 | AC_ARG_WITH(long-double-128, | |
3343 | [ --with-long-double-128 Use 128-bit long double by default.], | |
3344 | gcc_cv_target_ldbl128="$with_long_double_128", | |
3345 | [gcc_cv_target_ldbl128=no | |
3346 | if test x$host != x$target || test "x$TARGET_SYSTEM_ROOT" != x; then | |
3347 | if test "x$with_sysroot" = x; then | |
3348 | glibc_header_dir="${exec_prefix}/${target_noncanonical}/sys-include" | |
3349 | elif test "x$with_sysroot" = xyes; then | |
3350 | glibc_header_dir="${exec_prefix}/${target_noncanonical}/sys-root/usr/include" | |
3351 | else | |
3352 | glibc_header_dir="${with_sysroot}/usr/include" | |
3353 | fi | |
3354 | else | |
3355 | glibc_header_dir=/usr/include | |
3356 | fi | |
dfce740a | 3357 | changequote(,)dnl |
2dde0cc6 | 3358 | grep '^[ ]*#[ ]*define[ ][ ]*__LONG_DOUBLE_MATH_OPTIONAL' \ |
3359 | $glibc_header_dir/bits/wordsize.h > /dev/null 2>&1 \ | |
dfce740a | 3360 | && gcc_cv_target_ldbl128=yes |
3361 | changequote([,])dnl | |
3362 | ]) | |
2dde0cc6 | 3363 | ;; |
3364 | esac | |
3365 | if test x$gcc_cv_target_ldbl128 = xyes; then | |
3366 | AC_DEFINE(TARGET_DEFAULT_LONG_DOUBLE_128, 1, | |
3367 | [Define if TFmode long double should be the default]) | |
3368 | fi | |
3369 | ||
772580ce | 3370 | # Find out what GC implementation we want, or may, use. |
3371 | AC_ARG_WITH(gc, | |
180e93cf | 3372 | [ --with-gc={page,zone} choose the garbage collection mechanism to use |
77eb56d4 | 3373 | with the compiler], |
772580ce | 3374 | [case "$withval" in |
1bb42c87 | 3375 | page) |
772580ce | 3376 | GGC=ggc-$withval |
3377 | ;; | |
1bb42c87 | 3378 | zone) |
3379 | GGC=ggc-$withval | |
3380 | AC_DEFINE(GGC_ZONE, 1, [Define if the zone collector is in use]) | |
3381 | ;; | |
772580ce | 3382 | *) |
3383 | AC_MSG_ERROR([$withval is an invalid option to --with-gc]) | |
3384 | ;; | |
3385 | esac], | |
80eb2355 | 3386 | [GGC=ggc-page]) |
772580ce | 3387 | AC_SUBST(GGC) |
3388 | echo "Using $GGC for garbage collection." | |
3389 | ||
add841d2 | 3390 | # Use the system's zlib library. |
f357ac87 | 3391 | zlibdir=-L../zlib |
3392 | zlibinc="-I\$(srcdir)/../zlib" | |
add841d2 | 3393 | AC_ARG_WITH(system-zlib, |
3394 | [ --with-system-zlib use installed libz], | |
3395 | zlibdir= | |
3396 | zlibinc= | |
3397 | ) | |
3398 | AC_SUBST(zlibdir) | |
3399 | AC_SUBST(zlibinc) | |
3400 | ||
c5ab9ed2 | 3401 | dnl Very limited version of automake's enable-maintainer-mode |
3402 | ||
3403 | AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) | |
3404 | dnl maintainer-mode is disabled by default | |
3405 | AC_ARG_ENABLE(maintainer-mode, | |
77eb56d4 | 3406 | [ --enable-maintainer-mode |
3407 | enable make rules and dependencies not useful | |
c5ab9ed2 | 3408 | (and sometimes confusing) to the casual installer], |
3409 | maintainer_mode=$enableval, | |
3410 | maintainer_mode=no) | |
3411 | ||
3412 | AC_MSG_RESULT($maintainer_mode) | |
3413 | ||
3414 | if test "$maintainer_mode" = "yes"; then | |
3415 | MAINT='' | |
3416 | else | |
3417 | MAINT='#' | |
3418 | fi | |
3419 | AC_SUBST(MAINT)dnl | |
3420 | ||
d8a2ca58 | 3421 | # -------------- |
3422 | # Language hooks | |
3423 | # -------------- | |
3424 | ||
a4ac0141 | 3425 | # Make empty files to contain the specs and options for each language. |
3426 | # Then add #include lines to for a compiler that has specs and/or options. | |
3427 | ||
26526d23 | 3428 | subdirs= |
3272db82 | 3429 | lang_opt_files= |
a4ac0141 | 3430 | lang_specs_files= |
c3cc26e1 | 3431 | lang_tree_files= |
a4ac0141 | 3432 | # These (without "all_") are set in each config-lang.in. |
3433 | # `language' must be a single word so is spelled singularly. | |
3434 | all_languages= | |
3435 | all_boot_languages= | |
3436 | all_compilers= | |
3437 | all_stagestuff= | |
50e7e370 | 3438 | all_outputs='Makefile gccbug mklibgcc libada-mk' |
a4ac0141 | 3439 | # List of language makefile fragments. |
a455468e | 3440 | all_lang_makefrags= |
3441 | # List of language subdirectory makefiles. Deprecated. | |
a4ac0141 | 3442 | all_lang_makefiles= |
1f3233d1 | 3443 | # Files for gengtype |
eb1bd38b | 3444 | all_gtfiles="$target_gtfiles" |
776c30b8 | 3445 | # Files for gengtype with language |
3446 | all_gtfiles_files_langs= | |
3447 | all_gtfiles_files_files= | |
a4ac0141 | 3448 | |
26526d23 | 3449 | # These are the languages that are set in --enable-languages, |
3450 | # and are available in the GCC tree. | |
3451 | all_selected_languages= | |
3452 | ||
a4ac0141 | 3453 | # Add the language fragments. |
3454 | # Languages are added via two mechanisms. Some information must be | |
3455 | # recorded in makefile variables, these are defined in config-lang.in. | |
3456 | # We accumulate them and plug them into the main Makefile. | |
3457 | # The other mechanism is a set of hooks for each of the main targets | |
3458 | # like `clean', `install', etc. | |
3459 | ||
a4ac0141 | 3460 | language_hooks="Make-hooks" |
3461 | ||
26526d23 | 3462 | for lang in ${srcdir}/*/config-lang.in |
a4ac0141 | 3463 | do |
26526d23 | 3464 | changequote(,)dnl |
5dee13c2 | 3465 | test "$lang" = "${srcdir}/*/config-lang.in" && continue |
3466 | ||
26526d23 | 3467 | lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang` |
3468 | if test "x$lang_alias" = x | |
3469 | then | |
3470 | echo "$lang doesn't set \$language." 1>&2 | |
3471 | exit 1 | |
3472 | fi | |
3473 | subdir="`echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`" | |
3474 | subdirs="$subdirs $subdir" | |
3475 | case ",$enable_languages," in | |
3476 | *,$lang_alias,*) | |
3477 | all_selected_languages="$all_selected_languages $lang_alias" | |
3478 | if test -f $srcdir/$subdir/lang-specs.h; then | |
3479 | lang_specs_files="$lang_specs_files $srcdir/$subdir/lang-specs.h" | |
3480 | fi | |
3481 | ;; | |
3482 | esac | |
3483 | changequote([,])dnl | |
3484 | ||
26526d23 | 3485 | language= |
3486 | boot_language= | |
3487 | compilers= | |
3488 | stagestuff= | |
3489 | outputs= | |
3490 | gtfiles= | |
5dee13c2 | 3491 | subdir_requires= |
26526d23 | 3492 | . ${srcdir}/$subdir/config-lang.in |
3493 | if test "x$language" = x | |
3494 | then | |
3495 | echo "${srcdir}/$subdir/config-lang.in doesn't set \$language." 1>&2 | |
3496 | exit 1 | |
3497 | fi | |
5dee13c2 | 3498 | |
3499 | ok=: | |
3500 | case ",$enable_languages," in | |
3501 | *,$lang_alias,*) ;; | |
3502 | *) | |
3503 | for i in $subdir_requires; do | |
3891e7d9 | 3504 | test -f "${srcdir}/$i/config-lang.in" && continue |
5dee13c2 | 3505 | ok=false |
3506 | break | |
3507 | done | |
3508 | ;; | |
3509 | esac | |
3510 | $ok || continue | |
3511 | ||
26526d23 | 3512 | all_lang_makefrags="$all_lang_makefrags \$(srcdir)/$subdir/Make-lang.in" |
5dee13c2 | 3513 | if test -f $srcdir/$subdir/lang.opt; then |
3514 | lang_opt_files="$lang_opt_files $srcdir/$subdir/lang.opt" | |
3515 | fi | |
3516 | if test -f $srcdir/$subdir/$subdir-tree.def; then | |
3517 | lang_tree_files="$lang_tree_files $srcdir/$subdir/$subdir-tree.def" | |
3518 | fi | |
26526d23 | 3519 | if test -f ${srcdir}/$subdir/Makefile.in |
3520 | then all_lang_makefiles="$subdir/Makefile" | |
3521 | fi | |
3522 | all_languages="$all_languages $language" | |
3523 | if test "x$boot_language" = xyes | |
3524 | then | |
3525 | all_boot_languages="$all_boot_languages $language" | |
3526 | fi | |
3527 | all_compilers="$all_compilers $compilers" | |
3528 | all_stagestuff="$all_stagestuff $stagestuff" | |
3529 | all_outputs="$all_outputs $outputs" | |
3530 | all_gtfiles="$all_gtfiles $gtfiles" | |
5dee13c2 | 3531 | for f in $gtfiles |
3532 | do | |
3533 | all_gtfiles_files_langs="$all_gtfiles_files_langs ${subdir} " | |
3534 | all_gtfiles_files_files="$all_gtfiles_files_files ${f} " | |
3535 | done | |
a4ac0141 | 3536 | done |
3537 | ||
776c30b8 | 3538 | # Pick up gtfiles for c |
3539 | gtfiles= | |
26526d23 | 3540 | subdir="c" |
776c30b8 | 3541 | . ${srcdir}/c-config-lang.in |
3542 | all_gtfiles="$all_gtfiles $gtfiles" | |
2e222ce5 | 3543 | for f in $gtfiles |
776c30b8 | 3544 | do |
26526d23 | 3545 | all_gtfiles_files_langs="$all_gtfiles_files_langs ${subdir} " |
776c30b8 | 3546 | all_gtfiles_files_files="$all_gtfiles_files_files ${f} " |
776c30b8 | 3547 | done |
3548 | ||
21fa82cb | 3549 | check_languages= |
26526d23 | 3550 | for language in $all_selected_languages |
21fa82cb | 3551 | do |
26526d23 | 3552 | check_languages="$check_languages check-$language" |
21fa82cb | 3553 | done |
3554 | ||
d5cd09c5 | 3555 | # We link each language in with a set of hooks, reached indirectly via |
26526d23 | 3556 | # lang.${target}. Only do so for selected languages. |
a4ac0141 | 3557 | |
3558 | rm -f Make-hooks | |
3559 | touch Make-hooks | |
ae6555f9 | 3560 | target_list="all.cross start.encap rest.encap tags \ |
51f93521 | 3561 | install-common install-man install-info dvi pdf html \ |
ca6eabd1 | 3562 | uninstall info man srcextra srcman srcinfo \ |
80e909c6 | 3563 | mostlyclean clean distclean maintainer-clean \ |
ef3bb540 | 3564 | stage1 stage2 stage3 stage4 stageprofile stagefeedback" |
26526d23 | 3565 | |
a4ac0141 | 3566 | for t in $target_list |
3567 | do | |
3568 | x= | |
26526d23 | 3569 | for lang in $all_selected_languages |
a4ac0141 | 3570 | do |
26526d23 | 3571 | x="$x $lang.$t" |
a4ac0141 | 3572 | done |
3573 | echo "lang.$t: $x" >> Make-hooks | |
3574 | done | |
3575 | ||
d8a2ca58 | 3576 | # -------- |
3577 | # UNSORTED | |
3578 | # -------- | |
3579 | ||
49d87238 | 3580 | # Create .gdbinit. |
80a1cc00 | 3581 | |
49d87238 | 3582 | echo "dir ." > .gdbinit |
3583 | echo "dir ${srcdir}" >> .gdbinit | |
3584 | if test x$gdb_needs_out_file_path = xyes | |
3585 | then | |
3586 | echo "dir ${srcdir}/config/"`dirname ${out_file}` >> .gdbinit | |
3587 | fi | |
3588 | if test "x$subdirs" != x; then | |
3589 | for s in $subdirs | |
3590 | do | |
3591 | echo "dir ${srcdir}/$s" >> .gdbinit | |
3592 | done | |
80a1cc00 | 3593 | fi |
49d87238 | 3594 | echo "source ${srcdir}/gdbinit.in" >> .gdbinit |
80a1cc00 | 3595 | |
8ffadb5b | 3596 | # If $(exec_prefix) exists and is not the same as $(prefix), then compute an |
3597 | # absolute path for gcc_tooldir based on inserting the number of up-directory | |
3598 | # movements required to get from $(exec_prefix) to $(prefix) into the basic | |
3599 | # $(libsubdir)/@(unlibsubdir) based path. | |
e29a95ef | 3600 | # Don't set gcc_tooldir to tooldir since that's only passed in by the toplevel |
3601 | # make and thus we'd get different behavior depending on where we built the | |
3602 | # sources. | |
7df8690a | 3603 | if test x$exec_prefix = xNONE -o x$exec_prefix = x$prefix; then |
d58156a1 | 3604 | gcc_tooldir='$(libsubdir)/$(unlibsubdir)/../$(target_noncanonical)' |
f22b529a | 3605 | else |
8ffadb5b | 3606 | changequote(<<, >>)dnl |
3607 | # An explanation of the sed strings: | |
3608 | # -e 's|^\$(prefix)||' matches and eliminates 'prefix' from 'exec_prefix' | |
3609 | # -e 's|/$||' match a trailing forward slash and eliminates it | |
3610 | # -e 's|^[^/]|/|' forces the string to start with a forward slash (*) | |
424da949 | 3611 | # -e 's|/[^/]*|../|g' replaces each occurrence of /<directory> with ../ |
8ffadb5b | 3612 | # |
3613 | # (*) Note this pattern overwrites the first character of the string | |
3614 | # with a forward slash if one is not already present. This is not a | |
3615 | # problem because the exact names of the sub-directories concerned is | |
3616 | # unimportant, just the number of them matters. | |
3617 | # | |
3618 | # The practical upshot of these patterns is like this: | |
3619 | # | |
3620 | # prefix exec_prefix result | |
3621 | # ------ ----------- ------ | |
3622 | # /foo /foo/bar ../ | |
3623 | # /foo/ /foo/bar ../ | |
3624 | # /foo /foo/bar/ ../ | |
3625 | # /foo/ /foo/bar/ ../ | |
3626 | # /foo /foo/bar/ugg ../../ | |
3627 | # | |
066520ea | 3628 | dollar='$$' |
d58156a1 | 3629 | gcc_tooldir="\$(libsubdir)/\$(unlibsubdir)/\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/\$(dollar)||' -e 's|^[^/]|/|' -e 's|/[^/]*|../|g'\`\$(target_noncanonical)" |
8ffadb5b | 3630 | changequote([, ])dnl |
f22b529a | 3631 | fi |
3632 | AC_SUBST(gcc_tooldir) | |
066520ea | 3633 | AC_SUBST(dollar) |
f22b529a | 3634 | |
074386b8 | 3635 | # Find a directory in which to install a shared libgcc. |
3636 | ||
3637 | AC_ARG_ENABLE(version-specific-runtime-libs, | |
77eb56d4 | 3638 | [ --enable-version-specific-runtime-libs |
3639 | specify that runtime libraries should be | |
3640 | installed in a compiler-specific directory]) | |
074386b8 | 3641 | |
4724fbab | 3642 | AC_ARG_WITH(slibdir, |
85690e4d | 3643 | [ --with-slibdir=DIR shared libraries in DIR [[LIBDIR]]], |
4724fbab | 3644 | slibdir="$with_slibdir", |
3645 | if test "${enable_version_specific_runtime_libs+set}" = set; then | |
074386b8 | 3646 | slibdir='$(libsubdir)' |
4724fbab | 3647 | elif test "$host" != "$target"; then |
074386b8 | 3648 | slibdir='$(build_tooldir)/lib' |
3649 | else | |
4724fbab | 3650 | slibdir='$(libdir)' |
3651 | fi) | |
074386b8 | 3652 | AC_SUBST(slibdir) |
3653 | ||
3354d061 | 3654 | objdir=`${PWDCMD-pwd}` |
fbc57885 | 3655 | AC_SUBST(objdir) |
3656 | ||
85690e4d | 3657 | AC_ARG_WITH(datarootdir, |
3658 | [ --with-datarootdir=DIR Use DIR as the data root [[PREFIX/share]]], | |
3659 | datarootdir="\${prefix}/$with_datarootdir", | |
3660 | datarootdir='$(prefix)/share') | |
3661 | AC_SUBST(datarootdir) | |
3662 | ||
3663 | AC_ARG_WITH(docdir, | |
3664 | [ --with-docdir=DIR Install documentation in DIR [[DATAROOTDIR]]], | |
3665 | docdir="\${prefix}/$with_docdir", | |
3666 | docdir='$(datarootdir)') | |
3667 | AC_SUBST(docdir) | |
3668 | ||
3669 | AC_ARG_WITH(htmldir, | |
3670 | [ --with-htmldir=DIR html documentation in in DIR [[DOCDIR]]], | |
3671 | htmldir="\${prefix}/$with_htmldir", | |
3672 | htmldir='$(docdir)') | |
3673 | AC_SUBST(htmldir) | |
3674 | ||
01dc27ef | 3675 | # Substitute configuration variables |
3676 | AC_SUBST(subdirs) | |
776c30b8 | 3677 | AC_SUBST(srcdir) |
01dc27ef | 3678 | AC_SUBST(all_boot_languages) |
3679 | AC_SUBST(all_compilers) | |
1f3233d1 | 3680 | AC_SUBST(all_gtfiles) |
776c30b8 | 3681 | AC_SUBST(all_gtfiles_files_langs) |
3682 | AC_SUBST(all_gtfiles_files_files) | |
a455468e | 3683 | AC_SUBST(all_lang_makefrags) |
434bb88d | 3684 | AC_SUBST(all_lang_makefiles) |
3685 | AC_SUBST(all_languages) | |
26526d23 | 3686 | AC_SUBST(all_selected_languages) |
434bb88d | 3687 | AC_SUBST(all_stagestuff) |
3688 | AC_SUBST(build_exeext) | |
3689 | AC_SUBST(build_install_headers_dir) | |
3690 | AC_SUBST(build_xm_file_list) | |
4dcab8b7 | 3691 | AC_SUBST(build_xm_include_list) |
83b8e55b | 3692 | AC_SUBST(build_xm_defines) |
21fa82cb | 3693 | AC_SUBST(check_languages) |
434bb88d | 3694 | AC_SUBST(cc_set_by_configure) |
b441f25a | 3695 | AC_SUBST(quoted_cc_set_by_configure) |
434bb88d | 3696 | AC_SUBST(cpp_install_dir) |
a455468e | 3697 | AC_SUBST(xmake_file) |
3698 | AC_SUBST(tmake_file) | |
69eb04f7 | 3699 | AC_SUBST(extra_gcc_objs) |
434bb88d | 3700 | AC_SUBST(extra_headers_list) |
01dc27ef | 3701 | AC_SUBST(extra_objs) |
434bb88d | 3702 | AC_SUBST(extra_parts) |
3703 | AC_SUBST(extra_passes) | |
3704 | AC_SUBST(extra_programs) | |
434bb88d | 3705 | AC_SUBST(float_h_file) |
9371935c | 3706 | AC_SUBST(gcc_config_arguments) |
434bb88d | 3707 | AC_SUBST(gcc_gxx_include_dir) |
434bb88d | 3708 | AC_SUBST(host_exeext) |
01dc27ef | 3709 | AC_SUBST(host_xm_file_list) |
4dcab8b7 | 3710 | AC_SUBST(host_xm_include_list) |
83b8e55b | 3711 | AC_SUBST(host_xm_defines) |
b197fbcf | 3712 | AC_SUBST(out_host_hook_obj) |
434bb88d | 3713 | AC_SUBST(install) |
3272db82 | 3714 | AC_SUBST(lang_opt_files) |
434bb88d | 3715 | AC_SUBST(lang_specs_files) |
c3cc26e1 | 3716 | AC_SUBST(lang_tree_files) |
01dc27ef | 3717 | AC_SUBST(local_prefix) |
434bb88d | 3718 | AC_SUBST(md_file) |
3719 | AC_SUBST(objc_boehm_gc) | |
3720 | AC_SUBST(out_file) | |
3721 | AC_SUBST(out_object_file) | |
01dc27ef | 3722 | AC_SUBST(stage_prefix_set_by_configure) |
68d6e74b | 3723 | AC_SUBST(quoted_stage_prefix_set_by_configure) |
434bb88d | 3724 | AC_SUBST(thread_file) |
3725 | AC_SUBST(tm_file_list) | |
4dcab8b7 | 3726 | AC_SUBST(tm_include_list) |
8d4f8d46 | 3727 | AC_SUBST(tm_defines) |
83b8e55b | 3728 | AC_SUBST(tm_p_file_list) |
4dcab8b7 | 3729 | AC_SUBST(tm_p_include_list) |
3730 | AC_SUBST(xm_file_list) | |
3731 | AC_SUBST(xm_include_list) | |
8b24e546 | 3732 | AC_SUBST(xm_defines) |
8daa9e98 | 3733 | AC_SUBST(c_target_objs) |
3734 | AC_SUBST(cxx_target_objs) | |
83b8e55b | 3735 | AC_SUBST(target_cpu_default) |
01dc27ef | 3736 | |
01dc27ef | 3737 | AC_SUBST_FILE(language_hooks) |
3738 | ||
ba4dfdb7 | 3739 | # Echo link setup. |
3740 | if test x${build} = x${host} ; then | |
3741 | if test x${host} = x${target} ; then | |
3742 | echo "Links are now set up to build a native compiler for ${target}." 1>&2 | |
3743 | else | |
3744 | echo "Links are now set up to build a cross-compiler" 1>&2 | |
3745 | echo " from ${host} to ${target}." 1>&2 | |
3746 | fi | |
01dc27ef | 3747 | else |
ba4dfdb7 | 3748 | if test x${host} = x${target} ; then |
3749 | echo "Links are now set up to build (on ${build}) a native compiler" 1>&2 | |
3750 | echo " for ${target}." 1>&2 | |
3751 | else | |
3752 | echo "Links are now set up to build (on ${build}) a cross-compiler" 1>&2 | |
3753 | echo " from ${host} to ${target}." 1>&2 | |
3754 | fi | |
01dc27ef | 3755 | fi |
3756 | ||
4ee9c684 | 3757 | AC_ARG_VAR(GMPLIBS,[How to link GMP]) |
3758 | AC_ARG_VAR(GMPINC,[How to find GMP include files]) | |
3759 | ||
01dc27ef | 3760 | # Configure the subdirectories |
3761 | # AC_CONFIG_SUBDIRS($subdirs) | |
3762 | ||
3763 | # Create the Makefile | |
4fc83d8e | 3764 | # and configure language subdirectories |
1211e6bc | 3765 | AC_CONFIG_FILES($all_outputs) |
3766 | ||
3767 | AC_CONFIG_COMMANDS([default], | |
805483cf | 3768 | [ |
00ba4d3e | 3769 | case ${CONFIG_HEADERS} in |
3770 | *auto-host.h:config.in*) | |
3771 | echo > cstamp-h ;; | |
805483cf | 3772 | esac |
a455468e | 3773 | # Make sure all the subdirs exist. |
524a54cf | 3774 | for d in $subdirs doc build |
a455468e | 3775 | do |
a455468e | 3776 | test -d $d || mkdir $d |
a455468e | 3777 | done |
55b0dbe2 | 3778 | # If the host supports symlinks, point stage[1234] at ../stage[1234] so |
3779 | # bootstrapping and the installation procedure can still use | |
3780 | # CC="stage1/xgcc -Bstage1/". If the host doesn't support symlinks, | |
3781 | # FLAGS_TO_PASS has been modified to solve the problem there. | |
3782 | # This is virtually a duplicate of what happens in configure.lang; we do | |
3783 | # an extra check to make sure this only happens if ln -s can be used. | |
26be379c | 3784 | case "$LN_S" in |
3785 | *-s*) | |
3786 | for d in ${subdirs} ; do | |
3354d061 | 3787 | STARTDIR=`${PWDCMD-pwd}` |
0ba40214 | 3788 | cd $d |
ef3bb540 | 3789 | for t in stage1 stage2 stage3 stage4 stageprofile stagefeedback include |
0ba40214 | 3790 | do |
3791 | rm -f $t | |
26be379c | 3792 | $LN_S ../$t $t 2>/dev/null |
0ba40214 | 3793 | done |
3794 | cd $STARTDIR | |
26be379c | 3795 | done |
3796 | ;; | |
3797 | esac | |
a1a7e9d5 | 3798 | ], |
26be379c | 3799 | [subdirs='$subdirs']) |
1211e6bc | 3800 | AC_OUTPUT |