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f12b58b3 | 1 | # configure.in for GCC |
01dc27ef | 2 | # Process this file with autoconf to generate a configuration script. |
3 | ||
f448dfd0 | 4 | # Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc. |
01dc27ef | 5 | |
f12b58b3 | 6 | #This file is part of GCC. |
01dc27ef | 7 | |
f12b58b3 | 8 | #GCC is free software; you can redistribute it and/or modify it under |
9 | #the terms of the GNU General Public License as published by the Free | |
10 | #Software Foundation; either version 2, or (at your option) any later | |
11 | #version. | |
01dc27ef | 12 | |
f12b58b3 | 13 | #GCC is distributed in the hope that it will be useful, but WITHOUT |
14 | #ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
15 | #FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
16 | #for more details. | |
01dc27ef | 17 | |
18 | #You should have received a copy of the GNU General Public License | |
f12b58b3 | 19 | #along with GCC; see the file COPYING. If not, write to the Free |
20 | #Software Foundation, 59 Temple Place - Suite 330, Boston, MA | |
21 | #02111-1307, USA. | |
01dc27ef | 22 | |
23 | # Initialization and defaults | |
11e01324 | 24 | AC_PREREQ(2.13) |
01dc27ef | 25 | AC_INIT(tree.c) |
764fc592 | 26 | AC_CONFIG_HEADER(auto-host.h:config.in) |
805483cf | 27 | |
01dc27ef | 28 | remove=rm |
29 | hard_link=ln | |
30 | symbolic_link='ln -s' | |
31 | copy=cp | |
32 | ||
279894f2 | 33 | # Check for bogus environment variables. |
34 | # Test if LIBRARY_PATH contains the notation for the current directory | |
35 | # since this would lead to problems installing/building glibc. | |
36 | # LIBRARY_PATH contains the current directory if one of the following | |
37 | # is true: | |
38 | # - one of the terminals (":" and ";") is the first or last sign | |
39 | # - two terminals occur directly after each other | |
40 | # - the path contains an element with a dot in it | |
41 | AC_MSG_CHECKING(LIBRARY_PATH variable) | |
42 | changequote(,)dnl | |
43 | case ${LIBRARY_PATH} in | |
44 | [:\;]* | *[:\;] | *[:\;][:\;]* | *[:\;]. | .[:\;]*| . | *[:\;].[:\;]* ) | |
45 | library_path_setting="contains current directory" | |
46 | ;; | |
47 | *) | |
48 | library_path_setting="ok" | |
49 | ;; | |
50 | esac | |
51 | changequote([,])dnl | |
52 | AC_MSG_RESULT($library_path_setting) | |
53 | if test "$library_path_setting" != "ok"; then | |
54 | AC_MSG_ERROR([ | |
55 | *** LIBRARY_PATH shouldn't contain the current directory when | |
edf2430c | 56 | *** building gcc. Please change the environment variable |
279894f2 | 57 | *** and run configure again.]) |
58 | fi | |
59 | ||
60 | # Test if GCC_EXEC_PREFIX contains the notation for the current directory | |
61 | # since this would lead to problems installing/building glibc. | |
62 | # GCC_EXEC_PREFIX contains the current directory if one of the following | |
63 | # is true: | |
64 | # - one of the terminals (":" and ";") is the first or last sign | |
65 | # - two terminals occur directly after each other | |
66 | # - the path contains an element with a dot in it | |
67 | AC_MSG_CHECKING(GCC_EXEC_PREFIX variable) | |
68 | changequote(,)dnl | |
69 | case ${GCC_EXEC_PREFIX} in | |
70 | [:\;]* | *[:\;] | *[:\;][:\;]* | *[:\;]. | .[:\;]*| . | *[:\;].[:\;]* ) | |
71 | gcc_exec_prefix_setting="contains current directory" | |
72 | ;; | |
73 | *) | |
74 | gcc_exec_prefix_setting="ok" | |
75 | ;; | |
76 | esac | |
77 | changequote([,])dnl | |
78 | AC_MSG_RESULT($gcc_exec_prefix_setting) | |
79 | if test "$gcc_exec_prefix_setting" != "ok"; then | |
80 | AC_MSG_ERROR([ | |
81 | *** GCC_EXEC_PREFIX shouldn't contain the current directory when | |
edf2430c | 82 | *** building gcc. Please change the environment variable |
279894f2 | 83 | *** and run configure again.]) |
84 | fi | |
85 | ||
01dc27ef | 86 | # Check for additional parameters |
87 | ||
88 | # With GNU ld | |
89 | AC_ARG_WITH(gnu-ld, | |
90 | [ --with-gnu-ld arrange to work with GNU ld.], | |
c4f70bb2 | 91 | gnu_ld_flag="$with_gnu_ld", |
92 | gnu_ld_flag=no) | |
01dc27ef | 93 | |
f07251bc | 94 | # With pre-defined ld |
95 | AC_ARG_WITH(ld, | |
77eb56d4 | 96 | [ --with-ld arrange to use the specified ld (full pathname)], |
f8b7dbdb | 97 | DEFAULT_LINKER="$with_ld") |
98 | if test x"${DEFAULT_LINKER+set}" = x"set"; then | |
99 | if test ! -x "$DEFAULT_LINKER"; then | |
100 | AC_MSG_WARN([cannot execute: $DEFAULT_LINKER: check --with-ld or env. var. DEFAULT_LINKER]) | |
16e09e89 | 101 | elif $DEFAULT_LINKER -v < /dev/null 2>&1 | grep GNU > /dev/null; then |
f07251bc | 102 | gnu_ld_flag=yes |
103 | fi | |
42f1312d | 104 | AC_DEFINE_UNQUOTED(DEFAULT_LINKER,"$DEFAULT_LINKER", |
105 | [Define to enable the use of a default linker.]) | |
f07251bc | 106 | fi |
107 | ||
01dc27ef | 108 | # With GNU as |
109 | AC_ARG_WITH(gnu-as, | |
77eb56d4 | 110 | [ --with-gnu-as arrange to work with GNU as], |
c4f70bb2 | 111 | gas_flag="$with_gnu_as", |
112 | gas_flag=no) | |
01dc27ef | 113 | |
f07251bc | 114 | AC_ARG_WITH(as, |
77eb56d4 | 115 | [ --with-as arrange to use the specified as (full pathname)], |
f8b7dbdb | 116 | DEFAULT_ASSEMBLER="$with_as") |
117 | if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then | |
118 | if test ! -x "$DEFAULT_ASSEMBLER"; then | |
119 | AC_MSG_WARN([cannot execute: $DEFAULT_ASSEMBLER: check --with-as or env. var. DEFAULT_ASSEMBLER]) | |
16e09e89 | 120 | elif $DEFAULT_ASSEMBLER -v < /dev/null 2>&1 | grep GNU > /dev/null; then |
f07251bc | 121 | gas_flag=yes |
122 | fi | |
42f1312d | 123 | AC_DEFINE_UNQUOTED(DEFAULT_ASSEMBLER,"$DEFAULT_ASSEMBLER", |
124 | [Define to enable the use of a default assembler.]) | |
f8b7dbdb | 125 | fi |
f07251bc | 126 | |
01dc27ef | 127 | # With stabs |
128 | AC_ARG_WITH(stabs, | |
77eb56d4 | 129 | [ --with-stabs arrange to use stabs instead of host debug format], |
08dafb06 | 130 | stabs="$with_stabs", |
01dc27ef | 131 | stabs=no) |
132 | ||
133 | # With ELF | |
134 | AC_ARG_WITH(elf, | |
77eb56d4 | 135 | [ --with-elf arrange to use ELF instead of host debug format], |
08dafb06 | 136 | elf="$with_elf", |
01dc27ef | 137 | elf=no) |
138 | ||
2684981e | 139 | # Specify the local prefix |
6e014aa3 | 140 | local_prefix= |
2684981e | 141 | AC_ARG_WITH(local-prefix, |
77eb56d4 | 142 | [ --with-local-prefix=DIR specifies directory to put local include], |
6e014aa3 | 143 | [case "${withval}" in |
144 | yes) AC_MSG_ERROR(bad value ${withval} given for local include directory prefix) ;; | |
145 | no) ;; | |
146 | *) local_prefix=$with_local_prefix ;; | |
147 | esac]) | |
2684981e | 148 | |
149 | # Default local prefix if it is empty | |
bf3637a9 | 150 | if test x$local_prefix = x; then |
2684981e | 151 | local_prefix=/usr/local |
152 | fi | |
153 | ||
8ffadb5b | 154 | # Don't set gcc_gxx_include_dir to gxx_include_dir since that's only |
155 | # passed in by the toplevel make and thus we'd get different behavior | |
156 | # depending on where we built the sources. | |
157 | gcc_gxx_include_dir= | |
658de1c4 | 158 | # Specify the g++ header file directory |
159 | AC_ARG_WITH(gxx-include-dir, | |
160 | [ --with-gxx-include-dir=DIR | |
77eb56d4 | 161 | specifies directory to put g++ header files], |
6e014aa3 | 162 | [case "${withval}" in |
163 | yes) AC_MSG_ERROR(bad value ${withval} given for g++ include directory) ;; | |
164 | no) ;; | |
8ffadb5b | 165 | *) gcc_gxx_include_dir=$with_gxx_include_dir ;; |
6e014aa3 | 166 | esac]) |
167 | ||
8ffadb5b | 168 | if test x${gcc_gxx_include_dir} = x; then |
6e014aa3 | 169 | if test x${enable_version_specific_runtime_libs} = xyes; then |
071eb867 | 170 | gcc_gxx_include_dir='${libsubdir}/include/c++' |
6e014aa3 | 171 | else |
c51c4792 | 172 | topsrcdir=${srcdir}/.. . ${srcdir}/../config.if |
f0f48a6d | 173 | changequote(<<, >>)dnl |
e23b9583 | 174 | gcc_gxx_include_dir="\$(libsubdir)/\$(unlibsubdir)/..\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/[^/]*|/..|g'\`/include/"${libstdcxx_incdir} |
f0f48a6d | 175 | changequote([, ])dnl |
6e014aa3 | 176 | fi |
177 | fi | |
01dc27ef | 178 | |
0fa54ff1 | 179 | # Find the native compiler |
180 | AC_PROG_CC | |
181 | AC_PROG_CC_C_O | |
182 | # autoconf is lame and doesn't give us any substitution variable for this. | |
183 | if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then | |
184 | NO_MINUS_C_MINUS_O=yes | |
185 | else | |
186 | OUTPUT_OPTION='-o $@' | |
187 | fi | |
188 | AC_SUBST(NO_MINUS_C_MINUS_O) | |
189 | AC_SUBST(OUTPUT_OPTION) | |
190 | ||
191 | # See if GNAT has been installed | |
192 | gcc_AC_PROG_GNAT | |
193 | ||
194 | AC_CACHE_CHECK(whether ${CC-cc} accepts -Wno-long-long, | |
195 | ac_cv_prog_cc_no_long_long, | |
196 | [save_CFLAGS="$CFLAGS" | |
197 | CFLAGS="-Wno-long-long" | |
198 | AC_TRY_COMPILE(,,ac_cv_prog_cc_no_long_long=yes, | |
199 | ac_cv_prog_cc_no_long_long=no) | |
200 | CFLAGS="$save_CFLAGS"]) | |
201 | ||
202 | if test x$have_gnat != xno ; then | |
203 | AC_CACHE_CHECK(whether ${ADAC} accepts -Wno-long-long, | |
204 | ac_cv_prog_adac_no_long_long, | |
205 | [cat >conftest.adb <<EOF | |
206 | procedure conftest is begin null; end conftest; | |
207 | EOF | |
208 | if $ADAC -Wno-long-long -c conftest.adb 1>&5 2>&5 ; then | |
209 | ac_cv_prog_adac_no_long_long=yes | |
210 | else | |
211 | ac_cv_prog_adac_no_long_long=no | |
212 | fi | |
213 | rm -f conftest*]) | |
214 | else | |
215 | ac_cv_prog_adac_no_long_long=yes | |
216 | fi | |
217 | ||
218 | strict1_warn= | |
219 | if test $ac_cv_prog_cc_no_long_long = yes && \ | |
220 | test $ac_cv_prog_adac_no_long_long = yes ; then | |
221 | strict1_warn="-pedantic -Wno-long-long" | |
222 | fi | |
223 | AC_SUBST(strict1_warn) | |
224 | ||
225 | AC_PROG_CPP | |
226 | AC_C_INLINE | |
227 | gcc_AC_C_VOLATILE | |
228 | ||
229 | gcc_AC_C_LONG_DOUBLE | |
230 | gcc_AC_C_LONG_LONG | |
231 | gcc_AC_C__BOOL | |
232 | ||
233 | # sizeof(char) is 1 by definition. | |
234 | gcc_AC_COMPILE_CHECK_SIZEOF(short) | |
235 | gcc_AC_COMPILE_CHECK_SIZEOF(int) | |
236 | gcc_AC_COMPILE_CHECK_SIZEOF(long) | |
237 | if test $ac_cv_c_long_long = yes; then | |
238 | gcc_AC_COMPILE_CHECK_SIZEOF(long long) | |
239 | fi | |
240 | if test $ac_cv_c___int64 = yes; then | |
241 | gcc_AC_COMPILE_CHECK_SIZEOF(__int64) | |
242 | fi | |
243 | ||
244 | gcc_AC_C_CHARSET | |
245 | ||
246 | # If the native compiler is GCC, we can enable warnings even in stage1. | |
247 | # That's useful for people building cross-compilers, or just running a | |
248 | # quick `make'. | |
249 | warn_cflags= | |
250 | if test "x$GCC" = "xyes"; then | |
251 | warn_cflags='$(GCC_WARN_CFLAGS)' | |
252 | fi | |
253 | AC_SUBST(warn_cflags) | |
254 | ||
4f96fb18 | 255 | # Determine whether or not multilibs are enabled. |
256 | AC_ARG_ENABLE(multilib, | |
77eb56d4 | 257 | [ --enable-multilib enable library support for multiple ABIs], |
4f96fb18 | 258 | [], [enable_multilib=yes]) |
259 | AC_SUBST(enable_multilib) | |
260 | ||
485205d1 | 261 | # Enable expensive internal checks |
262 | AC_ARG_ENABLE(checking, | |
0c4e40c5 | 263 | [ --enable-checking[=LIST] |
264 | enable expensive run-time checks. With LIST, | |
265 | enable only specific categories of checks. | |
b0e7e012 | 266 | Categories are: misc,tree,rtl,rtlflag,gc,gcac; |
267 | default is misc,tree,gc,rtlflag], | |
42f1312d | 268 | [ac_checking= |
269 | ac_tree_checking= | |
270 | ac_rtl_checking= | |
b0e7e012 | 271 | ac_rtlflag_checking= |
42f1312d | 272 | ac_gc_checking= |
273 | ac_gc_always_collect= | |
274 | case "${enableval}" in | |
b0e7e012 | 275 | yes) ac_checking=1 ; ac_tree_checking=1 ; ac_gc_checking=1 ; |
276 | ac_rtlflag_checking=1 ;; | |
6e014aa3 | 277 | no) ;; |
438dc502 | 278 | *) IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS," |
0c4e40c5 | 279 | set fnord $enableval; shift |
280 | IFS="$ac_save_IFS" | |
91d3c746 | 281 | for check |
282 | do | |
0c4e40c5 | 283 | case $check in |
42f1312d | 284 | misc) ac_checking=1 ;; |
285 | tree) ac_tree_checking=1 ;; | |
b0e7e012 | 286 | rtlflag) ac_rtlflag_checking=1 ;; |
42f1312d | 287 | rtl) ac_rtl_checking=1 ;; |
288 | gc) ac_gc_checking=1 ;; | |
289 | gcac) ac_gc_always_collect=1 ;; | |
0fa54ff1 | 290 | valgrind) ac_checking_valgrind=1 ;; |
0c4e40c5 | 291 | *) AC_MSG_ERROR(unknown check category $check) ;; |
292 | esac | |
293 | done | |
294 | ;; | |
42f1312d | 295 | esac |
59420fa7 | 296 | ], |
297 | # Enable some checks by default for development versions of GCC | |
b0e7e012 | 298 | [ac_checking=1; ac_tree_checking=1; ac_gc_checking=1; ac_rtlflag_checking=1;]) |
0d74b24d | 299 | nocommon_flag="" |
42f1312d | 300 | if test x$ac_checking != x ; then |
301 | AC_DEFINE(ENABLE_CHECKING, 1, | |
302 | [Define if you want more run-time sanity checks. This one gets a grab | |
303 | bag of miscellaneous but relatively cheap checks.]) | |
0d74b24d | 304 | nocommon_flag=-fno-common |
42f1312d | 305 | fi |
0d74b24d | 306 | AC_SUBST(nocommon_flag) |
42f1312d | 307 | if test x$ac_tree_checking != x ; then |
308 | AC_DEFINE(ENABLE_TREE_CHECKING, 1, | |
309 | [Define if you want all operations on trees (the basic data | |
310 | structure of the front ends) to be checked for dynamic type safety | |
311 | at runtime. This is moderately expensive.]) | |
312 | fi | |
313 | if test x$ac_rtl_checking != x ; then | |
314 | AC_DEFINE(ENABLE_RTL_CHECKING, 1, | |
315 | [Define if you want all operations on RTL (the basic data structure | |
316 | of the optimizer and back end) to be checked for dynamic type safety | |
317 | at runtime. This is quite expensive.]) | |
318 | fi | |
b0e7e012 | 319 | if test x$ac_rtlflag_checking != x ; then |
320 | AC_DEFINE(ENABLE_RTL_FLAG_CHECKING, 1, | |
321 | [Define if you want RTL flag accesses to be checked against the RTL | |
322 | codes that are supported for each access macro. This is relatively | |
323 | cheap.]) | |
324 | fi | |
42f1312d | 325 | if test x$ac_gc_checking != x ; then |
326 | AC_DEFINE(ENABLE_GC_CHECKING, 1, | |
327 | [Define if you want the garbage collector to do object poisoning and | |
328 | other memory allocation checks. This is quite expensive.]) | |
329 | fi | |
330 | if test x$ac_gc_always_collect != x ; then | |
331 | AC_DEFINE(ENABLE_GC_ALWAYS_COLLECT, 1, | |
332 | [Define if you want the garbage collector to operate in maximally | |
333 | paranoid mode, validating the entire heap and collecting garbage at | |
334 | every opportunity. This is extremely expensive.]) | |
335 | fi | |
0fa54ff1 | 336 | valgrind_path_defines= |
337 | valgrind_command= | |
338 | if test x$ac_checking_valgrind != x ; then | |
339 | # It is certainly possible that there's valgrind but no valgrind.h. | |
340 | # GCC relies on making annotations so we must have both. | |
341 | AC_CHECK_HEADER(valgrind.h, have_valgrind_h=yes, have_valgrind_h=no) | |
342 | AM_PATH_PROG_WITH_TEST(valgrind_path, valgrind, | |
343 | [$ac_dir/$ac_word --version | grep valgrind- >/dev/null 2>&1]) | |
344 | if test "x$valgrind_path" = "x" || test $have_valgrind_h = no; then | |
345 | AC_MSG_ERROR([*** Can't find both valgrind and valgrind.h]) | |
346 | fi | |
347 | valgrind_path_defines=-DVALGRIND_PATH='\"'$valgrind_path'\"' | |
348 | valgrind_command="$valgrind_path -q" | |
349 | AC_DEFINE(ENABLE_VALGRIND_CHECKING, 1, | |
350 | [Define if you want to run subprograms and generated programs | |
351 | through valgrind (a memory checker). This is extremely expensive.]) | |
352 | fi | |
353 | AC_SUBST(valgrind_path_defines) | |
354 | AC_SUBST(valgrind_command) | |
59420fa7 | 355 | |
d5a37d75 | 356 | # Enable code coverage collection |
357 | AC_ARG_ENABLE(coverage, | |
358 | [ --enable-coverage[=LEVEL] | |
359 | enable compiler\'s code coverage collection. | |
360 | Use to measure compiler performance and locate | |
361 | unused parts of the compiler. With LEVEL, specificy | |
362 | optimization. Values are opt, noopt, | |
363 | default is noopt], | |
364 | [case "${enableval}" in | |
365 | yes|noopt) | |
366 | coverage_flags="-fprofile-arcs -ftest-coverage -O0" | |
367 | ;; | |
368 | opt) | |
369 | coverage_flags="-fprofile-arcs -ftest-coverage -O2" | |
370 | ;; | |
371 | *) | |
372 | AC_MSG_ERROR(unknown coverage setting $enableval) | |
373 | ;; | |
374 | esac], | |
5328265b | 375 | [coverage_flags=""]) |
d5a37d75 | 376 | AC_SUBST(coverage_flags) |
377 | ||
f7b90398 | 378 | AC_ARG_WITH(cpp_install_dir, |
379 | [ --with-cpp-install-dir=DIR | |
380 | install the user visible C preprocessor in DIR | |
77eb56d4 | 381 | (relative to PREFIX) as well as PREFIX/bin], |
f7b90398 | 382 | [if test x$withval = xyes; then |
383 | AC_MSG_ERROR([option --with-cpp-install-dir requires an argument]) | |
384 | elif test x$withval != xno; then | |
385 | cpp_install_dir=$withval | |
386 | fi]) | |
387 | ||
70ac8784 | 388 | # Enable __cxa_atexit for C++. |
389 | AC_ARG_ENABLE(__cxa_atexit, | |
390 | [ --enable-__cxa_atexit enable __cxa_atexit for C++], | |
391 | [], []) | |
392 | if test x$enable___cxa_atexit = xyes; then | |
393 | AC_DEFINE(DEFAULT_USE_CXA_ATEXIT, 1, | |
394 | [Define if you want to use __cxa_atexit, rather than atexit, to | |
395 | register C++ destructors for local statics and global objects. | |
396 | This is essential for fully standards-compliant handling of | |
397 | destructors, but requires __cxa_atexit in libc.]) | |
398 | fi | |
399 | ||
7014838c | 400 | # Enable Multibyte Characters for C/C++ |
401 | AC_ARG_ENABLE(c-mbchar, | |
77eb56d4 | 402 | [ --enable-c-mbchar enable multibyte characters for C and C++], |
7a28a1b6 | 403 | if test x$enable_c_mbchar != xno; then |
0653b94e | 404 | AC_DEFINE(MULTIBYTE_CHARS, 1, |
405 | [Define if you want the C and C++ compilers to support multibyte | |
406 | character sets for source code.]) | |
7014838c | 407 | fi) |
408 | ||
3e637c99 | 409 | # Enable threads |
410 | # Pass with no value to take the default | |
411 | # Pass with a value to specify a thread package | |
412 | AC_ARG_ENABLE(threads, | |
77eb56d4 | 413 | [ --enable-threads enable thread usage for target GCC |
414 | --enable-threads=LIB use LIB thread package for target GCC],, | |
3e637c99 | 415 | enable_threads='') |
416 | ||
2faa5090 | 417 | enable_threads_flag=$enable_threads |
3e637c99 | 418 | # Check if a valid thread package |
2faa5090 | 419 | case x${enable_threads_flag} in |
3e637c99 | 420 | x | xno) |
421 | # No threads | |
040921ae | 422 | target_thread_file='single' |
3e637c99 | 423 | ;; |
424 | xyes) | |
425 | # default | |
040921ae | 426 | target_thread_file='' |
3e637c99 | 427 | ;; |
428 | xdecosf1 | xirix | xmach | xos2 | xposix | xpthreads | xsingle | \ | |
f41eaefe | 429 | xsolaris | xwin32 | xdce | xrtems| xvxworks | xaix) |
2faa5090 | 430 | target_thread_file=$enable_threads_flag |
3e637c99 | 431 | ;; |
432 | *) | |
433 | echo "$enable_threads is an unknown thread package" 1>&2 | |
434 | exit 1 | |
435 | ;; | |
436 | esac | |
437 | ||
5c872430 | 438 | AC_ARG_ENABLE(objc-gc, |
439 | [ --enable-objc-gc enable the use of Boehm's garbage collector with | |
77eb56d4 | 440 | the GNU Objective-C runtime], |
7a28a1b6 | 441 | if test x$enable_objc_gc = xno; then |
5c872430 | 442 | objc_boehm_gc='' |
443 | else | |
444 | objc_boehm_gc=1 | |
445 | fi, | |
446 | objc_boehm_gc='') | |
447 | ||
27b15aee | 448 | AC_ARG_WITH(dwarf2, |
77eb56d4 | 449 | [ --with-dwarf2 force the default debug format to be DWARF 2], |
27b15aee | 450 | dwarf2="$with_dwarf2", |
451 | dwarf2=no) | |
452 | ||
a1415e6d | 453 | AC_ARG_ENABLE(shared, |
77eb56d4 | 454 | [ --disable-shared don't provide a shared libgcc], |
10393ad5 | 455 | [ |
456 | case $enable_shared in | |
457 | yes | no) ;; | |
458 | *) | |
459 | enable_shared=no | |
460 | IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:," | |
461 | for pkg in $enableval; do | |
462 | if test "X$pkg" = "Xgcc" || test "X$pkg" = "Xlibgcc"; then | |
463 | enable_shared=yes | |
464 | fi | |
465 | done | |
466 | IFS="$ac_save_ifs" | |
467 | ;; | |
468 | esac | |
469 | ], [enable_shared=yes]) | |
a1415e6d | 470 | AC_SUBST(enable_shared) |
471 | ||
01dc27ef | 472 | # Determine the host, build, and target systems |
473 | AC_CANONICAL_SYSTEM | |
474 | ||
cc9ad22c | 475 | # Set program_transform_name |
476 | AC_ARG_PROGRAM | |
477 | ||
b3ff31d3 | 478 | # Stage specific cflags for build. |
f357ac87 | 479 | stage1_cflags= |
b3ff31d3 | 480 | case $build in |
481 | vax-*-*) | |
482 | if test x$GCC = xyes | |
483 | then | |
f357ac87 | 484 | stage1_cflags="-Wa,-J" |
b3ff31d3 | 485 | else |
f357ac87 | 486 | stage1_cflags="-J" |
b3ff31d3 | 487 | fi |
488 | ;; | |
c070948e | 489 | powerpc-*-darwin*) |
490 | # The spiffy cpp-precomp chokes on some legitimate constructs in GCC | |
491 | # sources; use -no-cpp-precomp to get to GNU cpp. | |
492 | # Apple's GCC has bugs in designated initializer handling, so disable | |
493 | # that too. | |
494 | stage1_cflags="-no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0" | |
495 | ;; | |
b3ff31d3 | 496 | esac |
f357ac87 | 497 | AC_SUBST(stage1_cflags) |
6f63674e | 498 | |
0dbd1c74 | 499 | AC_PROG_MAKE_SET |
500 | ||
f07251bc | 501 | AC_MSG_CHECKING([whether a default assembler was specified]) |
f8b7dbdb | 502 | if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then |
16e09e89 | 503 | if test x"$gas_flag" = x"no"; then |
f8b7dbdb | 504 | AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER)]) |
f07251bc | 505 | else |
f8b7dbdb | 506 | AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER - GNU as)]) |
f07251bc | 507 | fi |
508 | else | |
509 | AC_MSG_RESULT(no) | |
510 | fi | |
511 | ||
512 | AC_MSG_CHECKING([whether a default linker was specified]) | |
f8b7dbdb | 513 | if test x"${DEFAULT_LINKER+set}" = x"set"; then |
16e09e89 | 514 | if test x"$gnu_ld_flag" = x"no"; then |
f8b7dbdb | 515 | AC_MSG_RESULT([yes ($DEFAULT_LINKER)]) |
f07251bc | 516 | else |
f8b7dbdb | 517 | AC_MSG_RESULT([yes ($DEFAULT_LINKER - GNU ld)]) |
f07251bc | 518 | fi |
519 | else | |
520 | AC_MSG_RESULT(no) | |
521 | fi | |
522 | ||
feedbb11 | 523 | AC_MSG_CHECKING(for GNU C library) |
524 | AC_CACHE_VAL(gcc_cv_glibc, | |
525 | [AC_TRY_COMPILE( | |
526 | [#include <features.h>],[ | |
527 | #if ! (defined __GLIBC__ || defined __GNU_LIBRARY__) | |
528 | #error Not a GNU C library system | |
529 | #endif], | |
530 | [gcc_cv_glibc=yes], | |
531 | gcc_cv_glibc=no)]) | |
532 | AC_MSG_RESULT($gcc_cv_glibc) | |
5b74f94e | 533 | if test $gcc_cv_glibc = yes; then |
feedbb11 | 534 | AC_DEFINE(_GNU_SOURCE, 1, [Always define this when using the GNU C Library]) |
535 | fi | |
1fa8fd5c | 536 | |
01dc27ef | 537 | # Find some useful tools |
538 | AC_PROG_AWK | |
f9708620 | 539 | gcc_AC_PROG_LN |
540 | gcc_AC_PROG_LN_S | |
01dc27ef | 541 | AC_PROG_RANLIB |
f9708620 | 542 | gcc_AC_PROG_INSTALL |
01dc27ef | 543 | |
ad87de1e | 544 | AC_HEADER_STDC |
545 | AC_HEADER_TIME | |
3e37364a | 546 | gcc_AC_HEADER_STDBOOL |
f9708620 | 547 | gcc_AC_HEADER_STRING |
5a3ee0b1 | 548 | AC_HEADER_SYS_WAIT |
a876e5f8 | 549 | AC_CHECK_HEADERS(limits.h stddef.h string.h strings.h stdlib.h time.h \ |
78f1e698 | 550 | fcntl.h unistd.h sys/file.h sys/time.h \ |
a876e5f8 | 551 | sys/resource.h sys/param.h sys/times.h sys/stat.h \ |
7093ff41 | 552 | direct.h malloc.h langinfo.h) |
a3477a0e | 553 | |
58febf9e | 554 | # Check for thread headers. |
555 | AC_CHECK_HEADER(thread.h, [have_thread_h=yes], [have_thread_h=]) | |
556 | AC_CHECK_HEADER(pthread.h, [have_pthread_h=yes], [have_pthread_h=]) | |
557 | ||
3239b2ba | 558 | # These tests can't be done till we know if we have limits.h. |
02be28b3 | 559 | gcc_AC_C_CHAR_BIT |
e7288103 | 560 | gcc_AC_C_COMPILE_ENDIAN |
561 | gcc_AC_C_FLOAT_FORMAT | |
02be28b3 | 562 | |
72f3368f | 563 | # See if we have the mktemp command. |
564 | AC_CHECK_PROG(have_mktemp_command, mktemp, yes, no) | |
565 | ||
049ccec1 | 566 | # Do we have a single-tree copy of texinfo? |
567 | if test -f $srcdir/../texinfo/Makefile.in; then | |
568 | MAKEINFO='$(objdir)/../texinfo/makeinfo/makeinfo' | |
569 | gcc_cv_prog_makeinfo_modern=yes | |
570 | AC_MSG_RESULT([Using makeinfo from the unified source tree.]) | |
571 | else | |
572 | # See if makeinfo has been installed and is modern enough | |
573 | # that we can use it. | |
574 | gcc_AC_CHECK_PROG_VER(MAKEINFO, makeinfo, --version, | |
575 | [GNU texinfo.* \([0-9][0-9.]*\)], | |
62357fc7 | 576 | [4.[1-9]*]) |
049ccec1 | 577 | fi |
578 | ||
579 | if test $gcc_cv_prog_makeinfo_modern = no; then | |
580 | AC_MSG_WARN([ | |
581 | *** Makeinfo is missing or too old. | |
c94ba072 | 582 | *** Info documentation will not be built.]) |
049ccec1 | 583 | BUILD_INFO= |
049ccec1 | 584 | else |
585 | BUILD_INFO=info AC_SUBST(BUILD_INFO) | |
049ccec1 | 586 | fi |
587 | ||
0dd06be9 | 588 | # Is pod2man recent enough to regenerate manpages? |
589 | AC_MSG_CHECKING([for recent Pod::Man]) | |
7e8ebf06 | 590 | if (perl -e 'use 1.10 Pod::Man') >/dev/null 2>&1; then |
fefb5ea6 | 591 | AC_MSG_RESULT(yes) |
592 | GENERATED_MANPAGES=generated-manpages AC_SUBST(GENERATED_MANPAGES) | |
593 | else | |
594 | AC_MSG_RESULT(no) | |
595 | GENERATED_MANPAGES= | |
596 | fi | |
597 | ||
345a1501 | 598 | # How about lex? |
599 | dnl Don't use AC_PROG_LEX; we insist on flex. | |
600 | dnl LEXLIB is not useful in gcc. | |
601 | if test -f $srcdir/../flex/skel.c; then | |
602 | FLEX='$(objdir)/../flex/flex' | |
603 | else | |
604 | AC_CHECK_PROG(FLEX, flex, flex, false) | |
605 | fi | |
606 | ||
607 | # Bison? | |
608 | # The -L switch is so bison can find its skeleton file. | |
609 | if test -f $srcdir/../bison/bison.simple; then | |
610 | BISON='$(objdir)/../bison/bison -L $(srcdir)/../bison/' | |
611 | else | |
612 | AC_CHECK_PROG(BISON, bison, bison, false) | |
613 | fi | |
614 | ||
45449d9f | 615 | # These libraries may be used by collect2. |
616 | # We may need a special search path to get them linked. | |
617 | AC_CACHE_CHECK(for collect2 libraries, gcc_cv_collect2_libs, | |
618 | [save_LIBS="$LIBS" | |
8e01c6f6 | 619 | for libs in '' -lld -lmld \ |
45449d9f | 620 | '-L/usr/lib/cmplrs/cc2.11 -lmld' \ |
621 | '-L/usr/lib/cmplrs/cc3.11 -lmld' | |
622 | do | |
623 | LIBS="$libs" | |
624 | AC_TRY_LINK_FUNC(ldopen, | |
625 | [gcc_cv_collect2_libs="$libs"; break]) | |
626 | done | |
627 | LIBS="$save_LIBS" | |
628 | test -z "$gcc_cv_collect2_libs" && gcc_cv_collect2_libs='none required']) | |
629 | case $gcc_cv_collect2_libs in | |
630 | "none required") ;; | |
631 | *) COLLECT2_LIBS=$gcc_cv_collect2_libs ;; | |
632 | esac | |
633 | AC_SUBST(COLLECT2_LIBS) | |
634 | ||
8e01c6f6 | 635 | # When building Ada code on Alpha, we need exc_resume which is usually in |
636 | # -lexc. So test for it. | |
637 | save_LIBS="$LIBS" | |
638 | LIBS= | |
639 | AC_SEARCH_LIBS(exc_resume, exc) | |
640 | GNAT_LIBEXC="$LIBS" | |
641 | LIBS="$save_LIBS" | |
642 | AC_SUBST(GNAT_LIBEXC) | |
643 | ||
11e01324 | 644 | # See if the stage1 system preprocessor understands the ANSI C |
5b80beae | 645 | # preprocessor stringification operator. (Used by symcat.h.) |
11e01324 | 646 | AC_C_STRINGIZE |
8c5c997d | 647 | |
a3477a0e | 648 | # Use <inttypes.h> only if it exists, |
649 | # doesn't clash with <sys/types.h>, and declares intmax_t. | |
650 | AC_MSG_CHECKING(for inttypes.h) | |
651 | AC_CACHE_VAL(gcc_cv_header_inttypes_h, | |
652 | [AC_TRY_COMPILE( | |
653 | [#include <sys/types.h> | |
654 | #include <inttypes.h>], | |
655 | [intmax_t i = -1;], | |
fd80090d | 656 | [gcc_cv_header_inttypes_h=yes], |
a3477a0e | 657 | gcc_cv_header_inttypes_h=no)]) |
658 | AC_MSG_RESULT($gcc_cv_header_inttypes_h) | |
fd80090d | 659 | if test $gcc_cv_header_inttypes_h = yes; then |
42f1312d | 660 | AC_DEFINE(HAVE_INTTYPES_H, 1, |
661 | [Define if you have a working <inttypes.h> header file.]) | |
fd80090d | 662 | fi |
805483cf | 663 | |
aab9bda6 | 664 | dnl Disabled until we have a complete test for buggy enum bitfields. |
665 | dnl gcc_AC_C_ENUM_BF_UNSIGNED | |
488c4206 | 666 | |
fbda3341 | 667 | AC_CHECK_FUNCS(times clock dup2 kill getrlimit setrlimit atoll atoq \ |
668 | sysconf strsignal putc_unlocked fputc_unlocked fputs_unlocked \ | |
e98fb73e | 669 | fwrite_unlocked fprintf_unlocked getrusage nl_langinfo lstat \ |
670 | scandir alphasort) | |
4211624c | 671 | |
99a9be64 | 672 | AC_CHECK_TYPE(ssize_t, int) |
33a62e3f | 673 | |
2382c341 | 674 | # Try to determine the array type of the second argument of getgroups |
675 | # for the target system (int or gid_t). | |
676 | AC_TYPE_GETGROUPS | |
677 | if test "${target}" = "${build}"; then | |
678 | TARGET_GETGROUPS_T=$ac_cv_type_getgroups | |
679 | else | |
680 | case "${target}" in | |
681 | # This condition may need some tweaking. It should include all | |
682 | # targets where the array type of the second argument of getgroups | |
683 | # is int and the type of gid_t is not equivalent to int. | |
684 | *-*-sunos* | *-*-ultrix*) | |
685 | TARGET_GETGROUPS_T=int | |
686 | ;; | |
687 | *) | |
688 | TARGET_GETGROUPS_T=gid_t | |
689 | ;; | |
690 | esac | |
691 | fi | |
692 | AC_SUBST(TARGET_GETGROUPS_T) | |
693 | ||
f9708620 | 694 | gcc_AC_FUNC_PRINTF_PTR |
f1959ea2 | 695 | |
696 | case "${host}" in | |
697 | *-*-uwin*) | |
1a78e8f7 | 698 | AC_MSG_ERROR([ |
699 | *** UWIN may not be used as a host platform because | |
700 | *** linking with posix.dll is not allowed by the GNU GPL]) | |
f1959ea2 | 701 | ;; |
8f966bdb | 702 | *-*-*vms*) |
703 | # Under VMS, vfork works very different than on Unix. The standard test | |
704 | # won't work, and it isn't easily adaptable. It makes more sense to | |
705 | # just force it. | |
706 | ac_cv_func_vfork_works=yes | |
707 | ;; | |
f1959ea2 | 708 | esac |
020ecb1b | 709 | AC_FUNC_VFORK |
8ee6d486 | 710 | AC_FUNC_MMAP_ANYWHERE |
39af12e5 | 711 | AC_FUNC_MMAP_FILE |
0a0a425e | 712 | |
7093ff41 | 713 | AM_ICONV |
714 | ||
3c014a93 | 715 | # We will need to find libiberty.h and ansidecl.h |
716 | saved_CFLAGS="$CFLAGS" | |
717 | CFLAGS="$CFLAGS -I${srcdir} -I${srcdir}/../include" | |
f73397be | 718 | gcc_AC_CHECK_DECLS(getenv atol sbrk abort atof getcwd getwd \ |
28874558 | 719 | strsignal putc_unlocked fputs_unlocked fwrite_unlocked \ |
283bb5ac | 720 | fprintf_unlocked strstr errno vasprintf \ |
c770a4cb | 721 | malloc realloc calloc free basename getopt clock, , ,[ |
673b6e5a | 722 | #include "ansidecl.h" |
3c014a93 | 723 | #include "system.h"]) |
7014838c | 724 | |
07c927cb | 725 | gcc_AC_CHECK_DECLS(getrlimit setrlimit getrusage, , ,[ |
673b6e5a | 726 | #include "ansidecl.h" |
3c014a93 | 727 | #include "system.h" |
436f5383 | 728 | #ifdef HAVE_SYS_RESOURCE_H |
729 | #include <sys/resource.h> | |
730 | #endif | |
731 | ]) | |
732 | ||
c770a4cb | 733 | gcc_AC_CHECK_DECLS(times, , ,[ |
734 | #include "ansidecl.h" | |
735 | #include "system.h" | |
736 | #ifdef HAVE_SYS_TIMES_H | |
737 | #include <sys/times.h> | |
738 | #endif | |
739 | ]) | |
740 | ||
741 | # More time-related stuff. | |
742 | AC_CACHE_CHECK(for struct tms, ac_cv_struct_tms, [ | |
743 | AC_TRY_COMPILE([ | |
744 | #include "ansidecl.h" | |
745 | #include "system.h" | |
746 | #ifdef HAVE_SYS_TIMES_H | |
747 | #include <sys/times.h> | |
748 | #endif | |
749 | ], [struct tms tms;], ac_cv_struct_tms=yes, ac_cv_struct_tms=no)]) | |
750 | if test $ac_cv_struct_tms = yes; then | |
751 | AC_DEFINE(HAVE_STRUCT_TMS, 1, | |
752 | [Define if <sys/times.h> defines struct tms.]) | |
753 | fi | |
754 | ||
755 | # use gcc_cv_* here because this doesn't match the behavior of AC_CHECK_TYPE. | |
756 | # revisit after autoconf 2.50. | |
757 | AC_CACHE_CHECK(for clock_t, gcc_cv_type_clock_t, [ | |
758 | AC_TRY_COMPILE([ | |
759 | #include "ansidecl.h" | |
760 | #include "system.h" | |
761 | ], [clock_t x;], gcc_cv_type_clock_t=yes, gcc_cv_type_clock_t=no)]) | |
762 | if test $gcc_cv_type_clock_t = yes; then | |
763 | AC_DEFINE(HAVE_CLOCK_T, 1, | |
764 | [Define if <time.h> defines clock_t.]) | |
765 | fi | |
766 | ||
5646395d | 767 | AC_ARG_ENABLE(initfini-array, |
768 | [ --enable-initfini-array use .init_array/.fini_array sections], | |
769 | gcc_cv_initfinit_array=$enableval, [gcc_AC_INITFINI_ARRAY]) | |
770 | ||
3c014a93 | 771 | # Restore CFLAGS from before the gcc_AC_NEED_DECLARATIONS tests. |
772 | CFLAGS="$saved_CFLAGS" | |
773 | ||
a729d1c3 | 774 | # mkdir takes a single argument on some systems. |
f9708620 | 775 | gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG |
a729d1c3 | 776 | |
01dc27ef | 777 | # File extensions |
778 | manext='.1' | |
779 | objext='.o' | |
01dc27ef | 780 | AC_SUBST(manext) |
781 | AC_SUBST(objext) | |
01dc27ef | 782 | |
eb1bd38b | 783 | target_gtfiles= |
01dc27ef | 784 | build_xm_file= |
9c1d888a | 785 | build_xm_defines= |
01dc27ef | 786 | build_install_headers_dir=install-headers-tar |
787 | build_exeext= | |
788 | host_xm_file= | |
9c1d888a | 789 | host_xm_defines= |
01dc27ef | 790 | host_xmake_file= |
791 | host_truncate_target= | |
2aa3e87b | 792 | host_exeext= |
01dc27ef | 793 | |
794 | # Decode the host machine, then the target machine. | |
795 | # For the host machine, we save the xm_file variable as host_xm_file; | |
796 | # then we decode the target machine and forget everything else | |
797 | # that came from the host machine. | |
798 | for machine in $build $host $target; do | |
bb607926 | 799 | . ${srcdir}/config.gcc |
01dc27ef | 800 | done |
801 | ||
802 | extra_objs="${host_extra_objs} ${extra_objs}" | |
803 | ||
804 | # Default the target-machine variables that were not explicitly set. | |
bf3637a9 | 805 | if test x"$tm_file" = x |
01dc27ef | 806 | then tm_file=$cpu_type/$cpu_type.h; fi |
807 | ||
2a8be21e | 808 | if test x"$extra_headers" = x |
01dc27ef | 809 | then extra_headers=; fi |
810 | ||
bf3637a9 | 811 | if test x$md_file = x |
0579e60e | 812 | then md_file=$cpu_type/$cpu_type.md; fi |
01dc27ef | 813 | |
bf3637a9 | 814 | if test x$out_file = x |
01dc27ef | 815 | then out_file=$cpu_type/$cpu_type.c; fi |
816 | ||
bf3637a9 | 817 | if test x"$tmake_file" = x |
01dc27ef | 818 | then tmake_file=$cpu_type/t-$cpu_type |
819 | fi | |
820 | ||
27b15aee | 821 | if test x"$dwarf2" = xyes |
b65d2e3c | 822 | then tm_file="$tm_file tm-dwarf2.h" |
27b15aee | 823 | fi |
824 | ||
01dc27ef | 825 | # Say what files are being used for the output code and MD file. |
83b8e55b | 826 | echo "Using \`$srcdir/config/$out_file' for machine-specific logic." |
01dc27ef | 827 | echo "Using \`$srcdir/config/$md_file' as machine description file." |
828 | ||
83b8e55b | 829 | # If any of the xm_file variables contain nonexistent files, warn |
e1688c3e | 830 | # about them and drop them. |
831 | ||
83b8e55b | 832 | bx= |
833 | for x in $build_xm_file; do | |
834 | if test -f $srcdir/config/$x | |
835 | then bx="$bx $x" | |
83b8e55b | 836 | else AC_MSG_WARN($srcdir/config/$x does not exist.) |
837 | fi | |
838 | done | |
839 | build_xm_file="$bx" | |
840 | ||
841 | hx= | |
842 | for x in $host_xm_file; do | |
843 | if test -f $srcdir/config/$x | |
844 | then hx="$hx $x" | |
83b8e55b | 845 | else AC_MSG_WARN($srcdir/config/$x does not exist.) |
846 | fi | |
847 | done | |
848 | host_xm_file="$hx" | |
849 | ||
850 | tx= | |
851 | for x in $xm_file; do | |
852 | if test -f $srcdir/config/$x | |
853 | then tx="$tx $x" | |
83b8e55b | 854 | else AC_MSG_WARN($srcdir/config/$x does not exist.) |
855 | fi | |
856 | done | |
857 | xm_file="$tx" | |
858 | ||
01dc27ef | 859 | count=a |
860 | for f in $tm_file; do | |
861 | count=${count}x | |
862 | done | |
bf3637a9 | 863 | if test $count = ax; then |
01dc27ef | 864 | echo "Using \`$srcdir/config/$tm_file' as target machine macro file." |
865 | else | |
866 | echo "Using the following target machine macro files:" | |
867 | for f in $tm_file; do | |
868 | echo " $srcdir/config/$f" | |
869 | done | |
870 | fi | |
871 | ||
872 | count=a | |
873 | for f in $host_xm_file; do | |
874 | count=${count}x | |
875 | done | |
83b8e55b | 876 | if test $count = a; then |
877 | : | |
878 | elif test $count = ax; then | |
01dc27ef | 879 | echo "Using \`$srcdir/config/$host_xm_file' as host machine macro file." |
880 | else | |
881 | echo "Using the following host machine macro files:" | |
882 | for f in $host_xm_file; do | |
883 | echo " $srcdir/config/$f" | |
884 | done | |
885 | fi | |
886 | ||
bf3637a9 | 887 | if test "$host_xm_file" != "$build_xm_file"; then |
01dc27ef | 888 | count=a |
889 | for f in $build_xm_file; do | |
890 | count=${count}x | |
891 | done | |
83b8e55b | 892 | if test $count = a; then |
893 | : | |
894 | elif test $count = ax; then | |
01dc27ef | 895 | echo "Using \`$srcdir/config/$build_xm_file' as build machine macro file." |
896 | else | |
897 | echo "Using the following build machine macro files:" | |
898 | for f in $build_xm_file; do | |
899 | echo " $srcdir/config/$f" | |
900 | done | |
901 | fi | |
902 | fi | |
903 | ||
bf3637a9 | 904 | if test x$thread_file = x; then |
905 | if test x$target_thread_file != x; then | |
040921ae | 906 | thread_file=$target_thread_file |
907 | else | |
908 | thread_file='single' | |
909 | fi | |
01dc27ef | 910 | fi |
01dc27ef | 911 | |
6f432b58 | 912 | # Look for a file containing extra machine modes. |
b5ccaa7b | 913 | if test -n "$extra_modes" && test -f $srcdir/config/$extra_modes; then |
914 | extra_modes_file='$(srcdir)'/config/${extra_modes} | |
6f432b58 | 915 | AC_SUBST(extra_modes_file) |
b5ccaa7b | 916 | AC_DEFINE_UNQUOTED(EXTRA_MODES_FILE, "$extra_modes", |
6f432b58 | 917 | [Define to the name of a file containing a list of extra machine modes |
918 | for this architecture.]) | |
919 | AC_DEFINE(EXTRA_CC_MODES, 1, | |
920 | [Define if the target architecture needs extra machine modes to represent | |
921 | the results of comparisons.]) | |
922 | fi | |
923 | ||
764fc592 | 924 | # auto-host.h is the file containing items generated by autoconf and is |
0dbd1c74 | 925 | # the first file included by config.h. |
764fc592 | 926 | # If host=build, it is correct to have hconfig include auto-host.h |
58b16c1a | 927 | # as well. If host!=build, we are in error and need to do more |
928 | # work to find out the build config parameters. | |
bf3637a9 | 929 | if test x$host = x$build |
58b16c1a | 930 | then |
d826737c | 931 | build_auto=auto-host.h |
883c44aa | 932 | FORBUILD=.. |
764fc592 | 933 | else |
934 | # We create a subdir, then run autoconf in the subdir. | |
935 | # To prevent recursion we set host and build for the new | |
936 | # invocation of configure to the build for this invocation | |
937 | # of configure. | |
938 | tempdir=build.$$ | |
939 | rm -rf $tempdir | |
940 | mkdir $tempdir | |
941 | cd $tempdir | |
942 | case ${srcdir} in | |
e868f582 | 943 | /* | [A-Za-z]:[\\/]* ) realsrcdir=${srcdir};; |
764fc592 | 944 | *) realsrcdir=../${srcdir};; |
945 | esac | |
fc5104b7 | 946 | saved_CFLAGS="${CFLAGS}" |
947 | CC="${CC_FOR_BUILD}" CFLAGS="${CFLAGS_FOR_BUILD}" \ | |
948 | ${realsrcdir}/configure \ | |
ab3470ec | 949 | --target=$target_alias --host=$build_alias --build=$build_alias |
fc5104b7 | 950 | CFLAGS="${saved_CFLAGS}" |
764fc592 | 951 | |
952 | # We just finished tests for the build machine, so rename | |
953 | # the file auto-build.h in the gcc directory. | |
954 | mv auto-host.h ../auto-build.h | |
955 | cd .. | |
956 | rm -rf $tempdir | |
d826737c | 957 | build_auto=auto-build.h |
428fa5f7 | 958 | FORBUILD=../$build_alias |
58b16c1a | 959 | fi |
883c44aa | 960 | AC_SUBST(FORBUILD) |
58b16c1a | 961 | |
d826737c | 962 | tm_file="${tm_file} defaults.h" |
673b6e5a | 963 | host_xm_file="auto-host.h ansidecl.h ${host_xm_file} ${tm_file}" |
964 | build_xm_file="${build_auto} ansidecl.h ${build_xm_file} ${tm_file}" | |
965 | xm_file="ansidecl.h ${xm_file} ${tm_file}" | |
4a7d7a8b | 966 | |
01dc27ef | 967 | # Truncate the target if necessary |
bf3637a9 | 968 | if test x$host_truncate_target != x; then |
01dc27ef | 969 | target=`echo $target | sed -e 's/\(..............\).*/\1/'` |
970 | fi | |
971 | ||
7955e3d2 | 972 | # Get the version trigger filename from the toplevel |
bf3637a9 | 973 | if test "${with_gcc_version_trigger+set}" = set; then |
7955e3d2 | 974 | gcc_version_trigger=$with_gcc_version_trigger |
975 | else | |
976 | gcc_version_trigger=${srcdir}/version.c | |
977 | fi | |
bf3637a9 | 978 | changequote(,)dnl |
8bffa377 | 979 | gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*"\([^"]*\)".*/\1/'` |
328fce18 | 980 | gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'` |
9371935c | 981 | |
982 | # Compile in configure arguments. | |
6e11eb2c | 983 | if test -f configargs.h ; then |
9371935c | 984 | # Being re-configured. |
8bffa377 | 985 | gcc_config_arguments=`grep configuration_arguments configargs.h | sed -e 's/.*"\([^"]*\)".*/\1/'` |
9371935c | 986 | gcc_config_arguments="$gcc_config_arguments : (reconfigured) $TOPLEVEL_CONFIGURE_ARGUMENTS" |
987 | else | |
988 | gcc_config_arguments="$TOPLEVEL_CONFIGURE_ARGUMENTS" | |
989 | fi | |
990 | cat > configargs.h <<EOF | |
991 | /* Generated automatically. */ | |
992 | static const char configuration_arguments[] = "$gcc_config_arguments"; | |
6d72c630 | 993 | static const char thread_model[] = "$thread_file"; |
9371935c | 994 | EOF |
bf3637a9 | 995 | changequote([,])dnl |
01dc27ef | 996 | |
be2828ce | 997 | # Internationalization |
998 | PACKAGE=gcc | |
999 | VERSION="$gcc_version" | |
be2828ce | 1000 | AC_SUBST(PACKAGE) |
1001 | AC_SUBST(VERSION) | |
1002 | ||
c5ab9ed2 | 1003 | # Enable NLS support by default |
be2828ce | 1004 | AC_ARG_ENABLE(nls, |
c5ab9ed2 | 1005 | [ --enable-nls use Native Language Support (default)], |
1006 | , enable_nls=yes) | |
1007 | ||
1008 | # if cross compiling, disable NLS support. | |
1009 | # It's not worth the trouble, at least for now. | |
1010 | ||
9367e016 | 1011 | if test "${build}" != "${host}" && test "x$enable_nls" = "xyes"; then |
c5ab9ed2 | 1012 | AC_MSG_WARN(Disabling NLS support for canadian cross compiler.) |
1013 | enable_nls=no | |
1014 | fi | |
be2828ce | 1015 | |
1016 | AM_GNU_GETTEXT | |
be2828ce | 1017 | |
778a2833 | 1018 | # Windows32 Registry support for specifying GCC installation paths. |
1019 | AC_ARG_ENABLE(win32-registry, | |
1020 | [ --disable-win32-registry | |
77eb56d4 | 1021 | disable lookup of installation paths in the |
1022 | Registry on Windows hosts | |
1023 | --enable-win32-registry enable registry lookup (default) | |
778a2833 | 1024 | --enable-win32-registry=KEY |
77eb56d4 | 1025 | use KEY instead of GCC version as the last portion |
1026 | of the registry key],,) | |
45449d9f | 1027 | case $host_os in |
1028 | win32 | pe | cygwin* | mingw32* | uwin*) | |
778a2833 | 1029 | AC_MSG_CHECKING(whether windows registry support is requested) |
1b544a8d | 1030 | if test "x$enable_win32_registry" != xno; then |
42f1312d | 1031 | AC_DEFINE(ENABLE_WIN32_REGISTRY, 1, |
1032 | [Define to 1 if installation paths should be looked up in Windows32 | |
c9b4be0a | 1033 | Registry. Ignored on non windows32 hosts.]) |
778a2833 | 1034 | AC_MSG_RESULT(yes) |
45449d9f | 1035 | AC_SEARCH_LIBS(RegOpenKeyExA, advapi32) |
778a2833 | 1036 | else |
1037 | AC_MSG_RESULT(no) | |
1038 | fi | |
1039 | ||
1040 | # Check if user specified a different registry key. | |
1b544a8d | 1041 | case "x${enable_win32_registry}" in |
778a2833 | 1042 | x | xyes) |
1043 | # default. | |
1044 | gcc_cv_win32_registry_key="$VERSION" | |
1045 | ;; | |
1046 | xno) | |
1047 | # no registry lookup. | |
1048 | gcc_cv_win32_registry_key='' | |
1049 | ;; | |
1050 | *) | |
1051 | # user-specified key. | |
1052 | gcc_cv_win32_registry_key="$enable_win32_registry" | |
1053 | ;; | |
1054 | esac | |
1055 | ||
1b544a8d | 1056 | if test "x$enable_win32_registry" != xno; then |
778a2833 | 1057 | AC_MSG_CHECKING(registry key on windows hosts) |
42f1312d | 1058 | AC_DEFINE_UNQUOTED(WIN32_REGISTRY_KEY, "$gcc_cv_win32_registry_key", |
1059 | [Define to be the last portion of registry key on windows hosts.]) | |
778a2833 | 1060 | AC_MSG_RESULT($gcc_cv_win32_registry_key) |
1061 | fi | |
45449d9f | 1062 | ;; |
1063 | esac | |
778a2833 | 1064 | |
cab2aaca | 1065 | # Get an absolute path to the GCC top-level source directory |
3354d061 | 1066 | holddir=`${PWDCMD-pwd}` |
cab2aaca | 1067 | cd $srcdir |
3354d061 | 1068 | topdir=`${PWDCMD-pwd}` |
cab2aaca | 1069 | cd $holddir |
1070 | ||
0045e563 | 1071 | # Conditionalize the makefile for this host machine. |
5a92ba2a | 1072 | # Make-host contains the concatenation of all host makefile fragments |
1073 | # [there can be more than one]. This file is built by configure.frag. | |
1074 | host_overrides=Make-host | |
0045e563 | 1075 | dep_host_xmake_file= |
5a92ba2a | 1076 | for f in .. ${host_xmake_file} |
1077 | do | |
bf3637a9 | 1078 | if test -f ${srcdir}/config/$f |
5a92ba2a | 1079 | then |
1080 | dep_host_xmake_file="${dep_host_xmake_file} ${srcdir}/config/$f" | |
1081 | fi | |
1082 | done | |
01dc27ef | 1083 | |
0045e563 | 1084 | # Conditionalize the makefile for this target machine. |
5a92ba2a | 1085 | # Make-target contains the concatenation of all host makefile fragments |
1086 | # [there can be more than one]. This file is built by configure.frag. | |
1087 | target_overrides=Make-target | |
0045e563 | 1088 | dep_tmake_file= |
5a92ba2a | 1089 | for f in .. ${tmake_file} |
1090 | do | |
bf3637a9 | 1091 | if test -f ${srcdir}/config/$f |
5a92ba2a | 1092 | then |
1093 | dep_tmake_file="${dep_tmake_file} ${srcdir}/config/$f" | |
1094 | fi | |
1095 | done | |
4fc83d8e | 1096 | |
0045e563 | 1097 | # If the host doesn't support symlinks, modify CC in |
1098 | # FLAGS_TO_PASS so CC="stage1/xgcc -Bstage1/" works. | |
1099 | # Otherwise, we can use "CC=$(CC)". | |
1100 | rm -f symtest.tem | |
9c1d888a | 1101 | if $symbolic_link $srcdir/gcc.c symtest.tem 2>/dev/null |
0045e563 | 1102 | then |
1103 | cc_set_by_configure="\$(CC)" | |
b441f25a | 1104 | quoted_cc_set_by_configure="\$(CC)" |
0045e563 | 1105 | stage_prefix_set_by_configure="\$(STAGE_PREFIX)" |
68d6e74b | 1106 | quoted_stage_prefix_set_by_configure="\$(STAGE_PREFIX)" |
0045e563 | 1107 | else |
9c1d888a | 1108 | rm -f symtest.tem |
1109 | if cp -p $srcdir/gcc.c symtest.tem 2>/dev/null | |
1110 | then | |
1111 | symbolic_link="cp -p" | |
1112 | else | |
1113 | symbolic_link="cp" | |
1114 | fi | |
0045e563 | 1115 | cc_set_by_configure="\`case '\$(CC)' in stage*) echo '\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\$(CC)';; esac\`" |
b441f25a | 1116 | quoted_cc_set_by_configure="\\\`case '\\\$(CC)' in stage*) echo '\\\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(CC)';; esac\\\`" |
0045e563 | 1117 | stage_prefix_set_by_configure="\`case '\$(STAGE_PREFIX)' in stage*) echo '\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\$(STAGE_PREFIX)';; esac\`" |
68d6e74b | 1118 | quoted_stage_prefix_set_by_configure="\\\`case '\\\$(STAGE_PREFIX)' in stage*) echo '\\\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(STAGE_PREFIX)';; esac\\\`" |
0045e563 | 1119 | fi |
1120 | rm -f symtest.tem | |
4fc83d8e | 1121 | |
0045e563 | 1122 | out_object_file=`basename $out_file .c`.o |
4fc83d8e | 1123 | |
0045e563 | 1124 | tm_file_list= |
1125 | for f in $tm_file; do | |
de5102fe | 1126 | case $f in |
673b6e5a | 1127 | ansidecl.h ) |
1128 | tm_file_list="${tm_file_list} \$(srcdir)/../include/ansidecl.h" ;; | |
1129 | defaults.h ) | |
1f3233d1 | 1130 | tm_file_list="${tm_file_list} \$(srcdir)/$f" ;; |
de5102fe | 1131 | *) tm_file_list="${tm_file_list} \$(srcdir)/config/$f" ;; |
1132 | esac | |
0045e563 | 1133 | done |
01dc27ef | 1134 | |
83b8e55b | 1135 | tm_p_file_list= |
1136 | for f in $tm_p_file; do | |
1137 | tm_p_file_list="${tm_p_file_list} \$(srcdir)/config/$f" | |
1138 | done | |
1139 | ||
0045e563 | 1140 | host_xm_file_list= |
1141 | for f in $host_xm_file; do | |
de5102fe | 1142 | case $f in |
673b6e5a | 1143 | ansidecl.h ) |
1144 | host_xm_file_list="${host_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;; | |
1f3233d1 | 1145 | auto-host.h ) |
de5102fe | 1146 | host_xm_file_list="${host_xm_file_list} $f" ;; |
1f3233d1 | 1147 | defaults.h ) |
1148 | host_xm_file_list="${host_xm_file_list} \$(srcdir)/$f" ;; | |
de5102fe | 1149 | *) host_xm_file_list="${host_xm_file_list} \$(srcdir)/config/$f" ;; |
1150 | esac | |
0045e563 | 1151 | done |
1152 | ||
1153 | build_xm_file_list= | |
1154 | for f in $build_xm_file; do | |
de5102fe | 1155 | case $f in |
673b6e5a | 1156 | ansidecl.h ) |
1157 | build_xm_file_list="${build_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;; | |
1f3233d1 | 1158 | auto-build.h | auto-host.h ) |
de5102fe | 1159 | build_xm_file_list="${build_xm_file_list} $f" ;; |
1f3233d1 | 1160 | defaults.h ) |
1161 | host_xm_file_list="${host_xm_file_list} \$(srcdir)/$f" ;; | |
de5102fe | 1162 | *) build_xm_file_list="${build_xm_file_list} \$(srcdir)/config/$f" ;; |
1163 | esac | |
0045e563 | 1164 | done |
01dc27ef | 1165 | |
0fc07c25 | 1166 | # Define macro CROSS_COMPILE in compilation if this is a cross-compiler. |
1167 | # Also use all.cross instead of all.internal and adjust SYSTEM_HEADER_DIR. | |
1168 | CROSS= AC_SUBST(CROSS) | |
1169 | ALL=all.internal AC_SUBST(ALL) | |
1170 | SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)' AC_SUBST(SYSTEM_HEADER_DIR) | |
bf3637a9 | 1171 | if test x$host != x$target |
0045e563 | 1172 | then |
0fc07c25 | 1173 | CROSS="-DCROSS_COMPILE" |
1174 | ALL=all.cross | |
1175 | SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)' | |
4ae4e5e8 | 1176 | case "$host","$target" in |
1177 | i?86-*-*,x86_64-*-* \ | |
1178 | | powerpc*-*-*,powerpc64*-*-*) | |
1179 | CROSS="$CROSS -DNATIVE_CROSS" ;; | |
1180 | esac | |
0045e563 | 1181 | fi |
01dc27ef | 1182 | |
81aabcf8 | 1183 | # If this is a cross-compiler that does not |
1184 | # have its own set of headers then define | |
1185 | # inhibit_libc | |
1186 | ||
c872ef71 | 1187 | # If this is using newlib, then define inhibit_libc in LIBGCC2_CFLAGS. |
1188 | # This prevents libgcc2 from containing any code which requires libc | |
1189 | # support. | |
81aabcf8 | 1190 | inhibit_libc= |
1191 | if [test x$host != x$target] && [test x$with_headers = x]; then | |
1192 | inhibit_libc=-Dinhibit_libc | |
1193 | else | |
1194 | if [test x$with_newlib = xyes]; then | |
1195 | inhibit_libc=-Dinhibit_libc | |
1196 | fi | |
1197 | fi | |
1198 | AC_SUBST(inhibit_libc) | |
1199 | ||
0fc07c25 | 1200 | # When building gcc with a cross-compiler, we need to adjust things so |
1201 | # that the generator programs are still built with the native compiler. | |
1202 | # Also, we cannot run fixincludes or fix-header. | |
1203 | # Note that the terminology here is wrong; it should be BUILD_* throughout. | |
1204 | # FIXME. | |
1205 | ||
1206 | # These are the normal (build=host) settings: | |
1d087a87 | 1207 | BUILD_PREFIX= AC_SUBST(BUILD_PREFIX) |
1208 | BUILD_PREFIX_1=ignore- AC_SUBST(BUILD_PREFIX_1) | |
0fc07c25 | 1209 | HOST_CC='$(CC)' AC_SUBST(HOST_CC) |
1210 | HOST_CFLAGS='$(ALL_CFLAGS)' AC_SUBST(HOST_CFLAGS) | |
1211 | ||
1212 | STMP_FIXINC=stmp-fixinc AC_SUBST(STMP_FIXINC) | |
1213 | STMP_FIXPROTO=stmp-fixproto AC_SUBST(STMP_FIXPROTO) | |
1214 | ||
1215 | # And these apply if build != host. | |
bf3637a9 | 1216 | if test x$build != x$host |
0045e563 | 1217 | then |
1d087a87 | 1218 | BUILD_PREFIX=build- |
1219 | BUILD_PREFIX_1=build- | |
0fc07c25 | 1220 | HOST_CC='$(CC_FOR_BUILD)' |
1221 | HOST_CFLAGS='$(INTERNAL_CFLAGS) $(T_CFLAGS) $(CFLAGS_FOR_BUILD) $(XCFLAGS)' | |
1222 | ||
1223 | STMP_FIXINC= | |
1224 | STMP_FIXPROTO= | |
0045e563 | 1225 | fi |
01dc27ef | 1226 | |
33fd845b | 1227 | # Expand extra_headers to include complete path. |
1228 | # This substitutes for lots of t-* files. | |
1229 | extra_headers_list= | |
bf3637a9 | 1230 | if test "x$extra_headers" = x |
33fd845b | 1231 | then true |
1232 | else | |
f448dfd0 | 1233 | # Prepend ${srcdir}/config/${cpu_type}/ to every entry in extra_headers. |
33fd845b | 1234 | for file in $extra_headers; |
1235 | do | |
f448dfd0 | 1236 | extra_headers_list="${extra_headers_list} \$(srcdir)/config/${cpu_type}/${file}" |
33fd845b | 1237 | done |
1238 | fi | |
1239 | ||
bf3637a9 | 1240 | if test x$use_collect2 = xno; then |
9bc65db1 | 1241 | use_collect2= |
1242 | fi | |
1243 | ||
0045e563 | 1244 | # Add a definition of USE_COLLECT2 if system wants one. |
01d15dc5 | 1245 | if test x$use_collect2 != x |
0045e563 | 1246 | then |
01d15dc5 | 1247 | host_xm_defines="${host_xm_defines} USE_COLLECT2" |
1248 | xm_defines="${xm_defines} USE_COLLECT2" | |
0045e563 | 1249 | fi |
1250 | ||
0045e563 | 1251 | # If we have gas in the build tree, make a link to it. |
bf3637a9 | 1252 | if test -f ../gas/Makefile; then |
2aa3e87b | 1253 | rm -f as; $symbolic_link ../gas/as-new$host_exeext as$host_exeext 2>/dev/null |
0045e563 | 1254 | fi |
1255 | ||
74e387fc | 1256 | # If we have nm and objdump in the build tree, make a link to them. |
bf3637a9 | 1257 | if test -f ../binutils/Makefile; then |
5783e52b | 1258 | rm -f nm; $symbolic_link ../binutils/nm-new$host_exeext nm$host_exeext 2>/dev/null |
74e387fc | 1259 | rm -f objdump; $symbolic_link ../binutils/objdump$host_exeext objdump$host_exeext 2>/dev/null |
5783e52b | 1260 | fi |
1261 | ||
0045e563 | 1262 | # If we have ld in the build tree, make a link to it. |
bf3637a9 | 1263 | if test -f ../ld/Makefile; then |
01d15dc5 | 1264 | rm -f collect-ld; $symbolic_link ../ld/ld-new$host_exeext collect-ld$host_exeext 2>/dev/null |
0045e563 | 1265 | fi |
1266 | ||
398f3874 | 1267 | # Figure out what assembler we will be using. |
1268 | AC_MSG_CHECKING(what assembler to use) | |
3245cd4f | 1269 | gcc_cv_as= |
398f3874 | 1270 | gcc_cv_gas_major_version= |
1271 | gcc_cv_gas_minor_version= | |
0a4f4d70 | 1272 | gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/gas |
43a30d57 | 1273 | gcc_cv_as_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd |
f8b7dbdb | 1274 | if test -x "$DEFAULT_ASSEMBLER"; then |
1275 | gcc_cv_as="$DEFAULT_ASSEMBLER" | |
1276 | elif test -x "$AS"; then | |
1277 | gcc_cv_as="$AS" | |
f07251bc | 1278 | elif test -x as$host_exeext; then |
3245cd4f | 1279 | # Build using assembler in the current directory. |
1280 | gcc_cv_as=./as$host_exeext | |
6c1f66c0 | 1281 | elif test -f $gcc_cv_as_gas_srcdir/configure.in -a -f ../gas/Makefile; then |
3245cd4f | 1282 | # Single tree build which includes gas. |
43a30d57 | 1283 | for f in $gcc_cv_as_bfd_srcdir/configure $gcc_cv_as_gas_srcdir/configure $gcc_cv_as_gas_srcdir/configure.in $gcc_cv_as_gas_srcdir/Makefile.in |
3245cd4f | 1284 | do |
bf3637a9 | 1285 | changequote(,)dnl |
1286 | gcc_cv_gas_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f` | |
1287 | changequote([,])dnl | |
1288 | if test x$gcc_cv_gas_version != x; then | |
3245cd4f | 1289 | break |
1290 | fi | |
1291 | done | |
bf3637a9 | 1292 | changequote(,)dnl |
1293 | gcc_cv_gas_major_version=`expr "$gcc_cv_gas_version" : "VERSION=\([0-9]*\)"` | |
1294 | gcc_cv_gas_minor_version=`expr "$gcc_cv_gas_version" : "VERSION=[0-9]*\.\([0-9]*\)"` | |
a985a485 | 1295 | gcc_cv_gas_patch_version=`expr "$gcc_cv_gas_version" : "VERSION=[0-9]*\.[0-9]*\.\([0-9]*\)"` |
bf3637a9 | 1296 | changequote([,])dnl |
398f3874 | 1297 | fi |
1298 | ||
ab3470ec | 1299 | if test "x$gcc_cv_as" = x; then |
07d1fecc | 1300 | # Search the same directories that the installed compiler will |
1301 | # search. Else we may find the wrong assembler and lose. If we | |
1302 | # do not find a suitable assembler binary, then try the user's | |
1303 | # path. | |
1304 | # | |
1305 | # Also note we have to check MD_EXEC_PREFIX before checking the | |
1306 | # user's path. Unfortunately, there is no good way to get at the | |
1307 | # value of MD_EXEC_PREFIX here. So we do a brute force search | |
1308 | # through all the known MD_EXEC_PREFIX values. Ugh. This needs | |
1309 | # to be fixed as part of the make/configure rewrite too. | |
1310 | ||
1311 | if test "x$exec_prefix" = xNONE; then | |
1312 | if test "x$prefix" = xNONE; then | |
1313 | test_prefix=/usr/local | |
1314 | else | |
1315 | test_prefix=$prefix | |
1316 | fi | |
1317 | else | |
1318 | test_prefix=$exec_prefix | |
1319 | fi | |
1320 | ||
1321 | # If the loop below does not find an assembler, then use whatever | |
1322 | # one we can find in the users's path. | |
1323 | # user's path. | |
3290bc33 | 1324 | if test "x$program_prefix" != xNONE; then |
1325 | gcc_cv_as=${program_prefix}as$host_exeext | |
1326 | else | |
1327 | gcc_cv_as=`echo as | sed ${program_transform_name}`$host_exeext | |
1328 | fi | |
1329 | ||
1330 | test_dirs="$test_prefix/lib/gcc-lib/$target_alias/$gcc_version \ | |
1331 | $test_prefix/lib/gcc-lib/$target_alias \ | |
1332 | /usr/lib/gcc/$target_alias/$gcc_version \ | |
1333 | /usr/lib/gcc/$target_alias \ | |
1334 | $test_prefix/$target_alias/bin/$target_alias/$gcc_version \ | |
1335 | $test_prefix/$target_alias/bin" | |
1336 | ||
1337 | if test x$host = x$target; then | |
1338 | test_dirs="$test_dirs \ | |
07d1fecc | 1339 | /usr/libexec \ |
1340 | /usr/ccs/gcc \ | |
1341 | /usr/ccs/bin \ | |
1342 | /udk/usr/ccs/bin \ | |
1343 | /bsd43/usr/lib/cmplrs/cc \ | |
1344 | /usr/cross64/usr/bin \ | |
1345 | /usr/lib/cmplrs/cc \ | |
1346 | /sysv/usr/lib/cmplrs/cc \ | |
1347 | /svr4/usr/lib/cmplrs/cc \ | |
1348 | /usr/bin" | |
3290bc33 | 1349 | fi |
07d1fecc | 1350 | |
1351 | for dir in $test_dirs; do | |
3290bc33 | 1352 | if test -x $dir/as$host_exeext; then |
07d1fecc | 1353 | gcc_cv_as=$dir/as$host_exeext |
1354 | break; | |
1355 | fi | |
1356 | done | |
3245cd4f | 1357 | fi |
398f3874 | 1358 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then |
1359 | AC_MSG_RESULT("newly built gas") | |
1360 | else | |
1361 | AC_MSG_RESULT($gcc_cv_as) | |
1362 | fi | |
1363 | ||
0d6378a9 | 1364 | # Figure out what linker we will be using. |
1365 | AC_MSG_CHECKING(what linker to use) | |
1366 | gcc_cv_ld= | |
1367 | gcc_cv_gld_major_version= | |
1368 | gcc_cv_gld_minor_version= | |
1369 | gcc_cv_ld_gld_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/ld | |
1370 | gcc_cv_ld_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd | |
1371 | if test -x "$DEFAULT_LINKER"; then | |
1372 | gcc_cv_ld="$DEFAULT_LINKER" | |
1373 | elif test -x "$LD"; then | |
1374 | gcc_cv_ld="$LD" | |
1375 | elif test -x ld$host_exeext; then | |
1376 | # Build using linker in the current directory. | |
1377 | gcc_cv_ld=./ld$host_exeext | |
1378 | elif test -f $gcc_cv_ld_gld_srcdir/configure.in -a -f ../ld/Makefile; then | |
1379 | # Single tree build which includes ld. | |
1380 | 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 | |
1381 | do | |
1382 | changequote(,)dnl | |
1383 | gcc_cv_gld_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f` | |
1384 | changequote([,])dnl | |
1385 | if test x$gcc_cv_gld_version != x; then | |
1386 | break | |
1387 | fi | |
1388 | done | |
1389 | changequote(,)dnl | |
1390 | gcc_cv_gld_major_version=`expr "$gcc_cv_gld_version" : "VERSION=\([0-9]*\)"` | |
1391 | gcc_cv_gld_minor_version=`expr "$gcc_cv_gld_version" : "VERSION=[0-9]*\.\([0-9]*\)"` | |
1392 | changequote([,])dnl | |
1393 | fi | |
1394 | ||
ab3470ec | 1395 | if test "x$gcc_cv_ld" = x; then |
0d6378a9 | 1396 | # Search the same directories that the installed compiler will |
1397 | # search. Else we may find the wrong linker and lose. If we | |
1398 | # do not find a suitable linker binary, then try the user's | |
1399 | # path. | |
1400 | # | |
1401 | # Also note we have to check MD_EXEC_PREFIX before checking the | |
1402 | # user's path. Unfortunately, there is no good way to get at the | |
1403 | # value of MD_EXEC_PREFIX here. So we do a brute force search | |
1404 | # through all the known MD_EXEC_PREFIX values. Ugh. This needs | |
1405 | # to be fixed as part of the make/configure rewrite too. | |
1406 | ||
1407 | if test "x$exec_prefix" = xNONE; then | |
1408 | if test "x$prefix" = xNONE; then | |
1409 | test_prefix=/usr/local | |
1410 | else | |
1411 | test_prefix=$prefix | |
1412 | fi | |
1413 | else | |
1414 | test_prefix=$exec_prefix | |
1415 | fi | |
1416 | ||
1417 | # If the loop below does not find an linker, then use whatever | |
1418 | # one we can find in the users's path. | |
1419 | # user's path. | |
3290bc33 | 1420 | if test "x$program_prefix" != xNONE; then |
1421 | gcc_cv_ld=${program_prefix}ld$host_exeext | |
1422 | else | |
1423 | gcc_cv_ld=`echo ld | sed ${program_transform_name}`$host_exeext | |
1424 | fi | |
1425 | ||
1426 | test_dirs="$test_prefix/lib/gcc-lib/$target_alias/$gcc_version \ | |
1427 | $test_prefix/lib/gcc-lib/$target_alias \ | |
1428 | /usr/lib/gcc/$target_alias/$gcc_version \ | |
1429 | /usr/lib/gcc/$target_alias \ | |
1430 | $test_prefix/$target_alias/bin/$target_alias/$gcc_version \ | |
1431 | $test_prefix/$target_alias/bin" | |
1432 | ||
1433 | if test x$host = x$target; then | |
1434 | test_dirs="$test_dirs \ | |
0d6378a9 | 1435 | /usr/libexec \ |
1436 | /usr/ccs/gcc \ | |
1437 | /usr/ccs/bin \ | |
1438 | /udk/usr/ccs/bin \ | |
1439 | /bsd43/usr/lib/cmplrs/cc \ | |
1440 | /usr/cross64/usr/bin \ | |
1441 | /usr/lib/cmplrs/cc \ | |
1442 | /sysv/usr/lib/cmplrs/cc \ | |
1443 | /svr4/usr/lib/cmplrs/cc \ | |
1444 | /usr/bin" | |
3290bc33 | 1445 | fi |
0d6378a9 | 1446 | |
1447 | for dir in $test_dirs; do | |
3290bc33 | 1448 | if test -x $dir/ld$host_exeext; then |
0d6378a9 | 1449 | gcc_cv_ld=$dir/ld$host_exeext |
1450 | break; | |
1451 | fi | |
1452 | done | |
1453 | fi | |
1454 | if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then | |
1455 | AC_MSG_RESULT("newly built ld") | |
1456 | else | |
1457 | AC_MSG_RESULT($gcc_cv_ld) | |
1458 | fi | |
1459 | ||
398f3874 | 1460 | # Figure out what nm we will be using. |
1461 | AC_MSG_CHECKING(what nm to use) | |
1462 | if test -x nm$host_exeext; then | |
1463 | gcc_cv_nm=./nm$host_exeext | |
ab3470ec | 1464 | elif test "x$program_prefix" != xNONE; then |
1465 | gcc_cv_nm=${program_prefix}nm$host_exeext | |
1466 | else | |
1467 | gcc_cv_nm=`echo nm | sed ${program_transform_name}`$host_exeext | |
398f3874 | 1468 | fi |
1469 | AC_MSG_RESULT($gcc_cv_nm) | |
1470 | ||
74e387fc | 1471 | # Figure out what objdump we will be using. |
1472 | AC_MSG_CHECKING(what objdump to use) | |
1473 | if test -x objdump$host_exeext; then | |
1474 | gcc_cv_objdump=./objdump$host_exeext | |
ab3470ec | 1475 | elif test "x$program_prefix" != xNONE; then |
1476 | gcc_cv_objdump=${program_prefix}objdump$host_exeext | |
1477 | else | |
1478 | gcc_cv_objdump=`echo objdump | sed ${program_transform_name}`$host_exeext | |
74e387fc | 1479 | fi |
1480 | AC_MSG_RESULT($gcc_cv_objdump) | |
1481 | ||
398f3874 | 1482 | # Figure out what assembler alignment features are present. |
1483 | AC_MSG_CHECKING(assembler alignment features) | |
142cf471 | 1484 | gcc_cv_as_alignment_features=none |
398f3874 | 1485 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then |
1486 | # Gas version 2.6 and later support for .balign and .p2align. | |
1487 | # bytes to skip when using .p2align. | |
1488 | if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 6 -o "$gcc_cv_gas_major_version" -gt 2; then | |
1489 | gcc_cv_as_alignment_features=".balign and .p2align" | |
1490 | AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN) | |
1491 | fi | |
1492 | # Gas version 2.8 and later support specifying the maximum | |
1493 | # bytes to skip when using .p2align. | |
1494 | if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 8 -o "$gcc_cv_gas_major_version" -gt 2; then | |
1495 | gcc_cv_as_alignment_features=".p2align including maximum skip" | |
1496 | AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN) | |
1497 | fi | |
1498 | elif test x$gcc_cv_as != x; then | |
f9423f54 | 1499 | # Check if we have .balign and .p2align |
1500 | echo ".balign 4" > conftest.s | |
1501 | echo ".p2align 2" >> conftest.s | |
1502 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
1503 | gcc_cv_as_alignment_features=".balign and .p2align" | |
1504 | AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN) | |
1505 | fi | |
1506 | rm -f conftest.s conftest.o | |
3245cd4f | 1507 | # Check if specifying the maximum bytes to skip when |
1508 | # using .p2align is supported. | |
1509 | echo ".p2align 4,,7" > conftest.s | |
1510 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
1511 | gcc_cv_as_alignment_features=".p2align including maximum skip" | |
1512 | AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN) | |
1513 | fi | |
1514 | rm -f conftest.s conftest.o | |
1515 | fi | |
1516 | AC_MSG_RESULT($gcc_cv_as_alignment_features) | |
1517 | ||
b6d28b19 | 1518 | AC_MSG_CHECKING(assembler subsection support) |
142cf471 | 1519 | gcc_cv_as_subsections=no |
398f3874 | 1520 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then |
1521 | if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then | |
1522 | gcc_cv_as_subsections="working .subsection -1" | |
1523 | fi | |
1524 | elif test x$gcc_cv_as != x; then | |
b6d28b19 | 1525 | # Check if we have .subsection |
1526 | echo ".subsection 1" > conftest.s | |
1527 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
1528 | gcc_cv_as_subsections=".subsection" | |
b6d28b19 | 1529 | if test x$gcc_cv_nm != x; then |
1530 | cat > conftest.s <<EOF | |
1531 | conftest_label1: .word 0 | |
1532 | .subsection -1 | |
1533 | conftest_label2: .word 0 | |
1534 | .previous | |
1535 | EOF | |
1536 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
1537 | $gcc_cv_nm conftest.o | grep conftest_label1 > conftest.nm1 | |
1538 | $gcc_cv_nm conftest.o | grep conftest_label2 | sed -e 's/label2/label1/' > conftest.nm2 | |
fd3b5ace | 1539 | if cmp conftest.nm1 conftest.nm2 > /dev/null 2>&1; then |
1540 | : | |
1541 | else | |
b6d28b19 | 1542 | gcc_cv_as_subsections="working .subsection -1" |
b6d28b19 | 1543 | fi |
1544 | fi | |
1545 | fi | |
1546 | fi | |
1547 | rm -f conftest.s conftest.o conftest.nm1 conftest.nm2 | |
1548 | fi | |
398f3874 | 1549 | if test x"$gcc_cv_as_subsections" = x"working .subsection -1"; then |
1550 | AC_DEFINE(HAVE_GAS_SUBSECTION_ORDERING, 1, | |
1551 | [Define if your assembler supports .subsection and .subsection -1 starts | |
1552 | emitting at the beginning of your section.]) | |
1553 | fi | |
b6d28b19 | 1554 | AC_MSG_RESULT($gcc_cv_as_subsections) |
1555 | ||
1a8c3b27 | 1556 | AC_MSG_CHECKING(assembler weak support) |
142cf471 | 1557 | gcc_cv_as_weak=no |
398f3874 | 1558 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then |
1559 | if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 2 -o "$gcc_cv_gas_major_version" -gt 2; then | |
1560 | gcc_cv_as_weak="yes" | |
1561 | fi | |
1562 | elif test x$gcc_cv_as != x; then | |
1a8c3b27 | 1563 | # Check if we have .weak |
1564 | echo " .weak foobar" > conftest.s | |
1565 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
1a8c3b27 | 1566 | gcc_cv_as_weak="yes" |
1567 | fi | |
1568 | rm -f conftest.s conftest.o conftest.nm1 conftest.nm2 | |
1569 | fi | |
398f3874 | 1570 | if test x"$gcc_cv_as_weak" = xyes; then |
1571 | AC_DEFINE(HAVE_GAS_WEAK, 1, [Define if your assembler supports .weak.]) | |
1572 | fi | |
1a8c3b27 | 1573 | AC_MSG_RESULT($gcc_cv_as_weak) |
1574 | ||
5be729c9 | 1575 | AC_MSG_CHECKING(assembler hidden support) |
142cf471 | 1576 | gcc_cv_as_hidden=no |
398f3874 | 1577 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then |
a985a485 | 1578 | if test "$gcc_cv_gas_major_version" -eq 2 \ |
1579 | -a "$gcc_cv_gas_minor_version" -eq 12 \ | |
1580 | -a "$gcc_cv_gas_patch_version" -ge 1 \ | |
1581 | -o "$gcc_cv_gas_major_version" -eq 2 \ | |
1582 | -a "$gcc_cv_gas_minor_version" -gt 12 \ | |
1583 | -o "$gcc_cv_gas_major_version" -gt 2 \ | |
1584 | && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then | |
398f3874 | 1585 | gcc_cv_as_hidden="yes" |
1586 | fi | |
1587 | elif test x$gcc_cv_as != x; then | |
5be729c9 | 1588 | # Check if we have .hidden |
1589 | echo " .hidden foobar" > conftest.s | |
1590 | echo "foobar:" >> conftest.s | |
1591 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
5be729c9 | 1592 | gcc_cv_as_hidden="yes" |
1593 | fi | |
1594 | rm -f conftest.s conftest.o conftest.nm1 conftest.nm2 | |
a985a485 | 1595 | |
1596 | # GNU LD versions before 2.12.1 have buggy support for STV_HIDDEN. | |
1597 | # This is irritatingly difficult to feature test for. Look for | |
1598 | # the date string after the version number. | |
1599 | ld_ver=`$gcc_cv_ld --version 2>/dev/null | head -1` | |
1600 | if echo "$ld_ver" | grep GNU > /dev/null; then | |
1601 | changequote(,)dnl | |
1aa4bbf2 | 1602 | ld_vers=`echo $ld_ver | sed -n 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\(\|\.[0-9][0-9]*\)\)\([ ].*\|\)$,\1,p'` |
1603 | ld_date=`echo $ld_ver | sed -n 's,^.*\([2-9][0-9][0-9][0-9]\)[-]*\([01][0-9]\)[-]*\([0-3][0-9]\).*$,\1\2\3,p'` | |
a985a485 | 1604 | if test 0"$ld_date" -lt 20020404; then |
1aa4bbf2 | 1605 | if test -n "$ld_date"; then |
1606 | # If there was date string, but was earlier than 2002-04-04, fail | |
1607 | gcc_cv_as_hidden="no" | |
1608 | elif test -z "$ld_vers"; then | |
1609 | # If there was no date string nor ld version number, something is wrong | |
1610 | gcc_cv_as_hidden="no" | |
1611 | else | |
1612 | ld_vers_major=`expr "$ld_vers" : '\([0-9]*\)'` | |
1613 | ld_vers_minor=`expr "$ld_vers" : '[0-9]*\.\([0-9]*\)'` | |
1614 | ld_vers_patch=`expr "$ld_vers" : '[0-9]*\.[0-9]*\.\([0-9]*\)'` | |
1615 | test -z "$ld_vers_patch" && ld_vers_patch=0 | |
1616 | if test "$ld_vers_major" -lt 2; then | |
1617 | gcc_cv_as_hidden="no" | |
1618 | elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -lt 12; then | |
1619 | gcc_cv_as_hidden="no" | |
1620 | elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -eq 12 \ | |
1621 | -a "$ld_vers_patch" -eq 0; then | |
1622 | gcc_cv_as_hidden="no" | |
1623 | fi | |
1624 | fi | |
a985a485 | 1625 | fi |
1aa4bbf2 | 1626 | changequote([,])dnl |
a985a485 | 1627 | fi |
5be729c9 | 1628 | fi |
398f3874 | 1629 | if test x"$gcc_cv_as_hidden" = xyes; then |
1630 | AC_DEFINE(HAVE_GAS_HIDDEN, 1, | |
1631 | [Define if your assembler supports .hidden.]) | |
1632 | fi | |
5be729c9 | 1633 | AC_MSG_RESULT($gcc_cv_as_hidden) |
e8c2499b | 1634 | libgcc_visibility=$gcc_cv_as_hidden |
61ab9ea9 | 1635 | case "$target" in |
1636 | mips-sgi-irix6*o32) | |
1637 | if test x"$gnu_ld_flag" = x"no"; then | |
1638 | # Even if using gas with .hidden support, the resulting object files | |
1639 | # cannot be linked with the IRIX 6 O32 linker. | |
1640 | libgcc_visibility=no | |
1641 | fi | |
1642 | ;; | |
1643 | esac | |
e8c2499b | 1644 | AC_SUBST(libgcc_visibility) |
5be729c9 | 1645 | |
37a2e188 | 1646 | AC_MSG_CHECKING(assembler leb128 support) |
61a9051e | 1647 | gcc_cv_as_leb128=no |
37a2e188 | 1648 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then |
61a9051e | 1649 | if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 11 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then |
37a2e188 | 1650 | gcc_cv_as_leb128="yes" |
1651 | fi | |
1652 | elif test x$gcc_cv_as != x; then | |
1653 | # Check if we have .[us]leb128, and support symbol arithmetic with it. | |
1654 | cat > conftest.s <<EOF | |
1655 | .data | |
1656 | .uleb128 L2 - L1 | |
1657 | L1: | |
1658 | .uleb128 1280 | |
1659 | .sleb128 -1010 | |
1660 | L2: | |
1661 | EOF | |
1662 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
088fd851 | 1663 | gcc_cv_as_leb128="yes" |
1664 | ||
1665 | # GAS versions before 2.11 do not support uleb128, | |
1666 | # despite appearing to. | |
1667 | # ??? There exists an elf-specific test that will crash | |
1668 | # the assembler. Perhaps it's better to figure out whether | |
1669 | # arbitrary sections are supported and try the test. | |
1670 | as_ver=`$gcc_cv_as --version 2>/dev/null | head -1` | |
1671 | if echo "$as_ver" | grep GNU > /dev/null; then | |
088fd851 | 1672 | changequote(,)dnl |
d0a650d2 | 1673 | as_ver=`echo $as_ver | sed -e 's/GNU assembler \([0-9.][0-9.]*\).*/\1/'` |
98e1bdf4 | 1674 | as_major=`echo $as_ver | sed 's/\..*//'` |
f6a4133b | 1675 | as_minor=`echo $as_ver | sed 's/[^.]*\.\([0-9]*\).*/\1/'` |
088fd851 | 1676 | changequote([,])dnl |
1677 | if test $as_major -eq 2 -a $as_minor -lt 11; then | |
1678 | gcc_cv_as_leb128="no" | |
1679 | fi | |
61a9051e | 1680 | fi |
37a2e188 | 1681 | fi |
1682 | rm -f conftest.s conftest.o conftest.nm1 conftest.nm2 | |
1683 | fi | |
1684 | if test x"$gcc_cv_as_leb128" = xyes; then | |
1685 | AC_DEFINE(HAVE_AS_LEB128, 1, | |
1686 | [Define if your assembler supports .uleb128.]) | |
1687 | fi | |
1688 | AC_MSG_RESULT($gcc_cv_as_leb128) | |
1689 | ||
c3f311c4 | 1690 | AC_MSG_CHECKING(assembler eh_frame optimization) |
1691 | gcc_cv_as_eh_frame=no | |
1692 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then | |
1693 | if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 12 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then | |
1694 | gcc_cv_as_eh_frame="yes" | |
1695 | fi | |
1696 | elif test x$gcc_cv_as != x; then | |
1697 | # Check if this is GAS. | |
5ef171d3 | 1698 | as_ver=`$gcc_cv_as --version < /dev/null 2> /dev/null | head -1` |
1699 | rm -f a.out 2> /dev/null | |
c3f311c4 | 1700 | if echo "$as_ver" | grep GNU > /dev/null; then |
1701 | # Versions up to and including 2.11.0 may mis-optimize | |
1702 | # .eh_frame data. Try something. | |
1703 | cat > conftest.s <<EOF | |
1704 | .text | |
1705 | .LFB1: | |
1706 | .4byte 0 | |
1707 | .L1: | |
1708 | .4byte 0 | |
1709 | .LFE1: | |
1710 | .section .eh_frame,"aw",@progbits | |
1711 | __FRAME_BEGIN__: | |
1712 | .4byte .LECIE1-.LSCIE1 | |
1713 | .LSCIE1: | |
1714 | .4byte 0x0 | |
1715 | .byte 0x1 | |
1716 | .ascii "z\0" | |
1717 | .byte 0x1 | |
1718 | .byte 0x78 | |
1719 | .byte 0x1a | |
1720 | .byte 0x0 | |
1721 | .byte 0x4 | |
1722 | .4byte 1 | |
1723 | .p2align 1 | |
1724 | .LECIE1: | |
1725 | .LSFDE1: | |
1726 | .4byte .LEFDE1-.LASFDE1 | |
1727 | .LASFDE1: | |
1728 | .4byte .LASFDE1-__FRAME_BEGIN__ | |
1729 | .4byte .LFB1 | |
1730 | .4byte .LFE1-.LFB1 | |
1731 | .byte 0x4 | |
1732 | .4byte .LFE1-.LFB1 | |
1733 | .byte 0x4 | |
1734 | .4byte .L1-.LFB1 | |
1735 | .LEFDE1: | |
1736 | EOF | |
82ebecf9 | 1737 | cat > conftest.lit <<EOF |
c3f311c4 | 1738 | 0000 10000000 00000000 017a0001 781a0004 .........z..x... |
1739 | 0010 01000000 12000000 18000000 00000000 ................ | |
1740 | 0020 08000000 04080000 0044 .........D | |
82ebecf9 | 1741 | EOF |
1742 | cat > conftest.big <<EOF | |
1743 | 0000 00000010 00000000 017a0001 781a0004 .........z..x... | |
1744 | 0010 00000001 00000012 00000018 00000000 ................ | |
1745 | 0020 00000008 04000000 0844 .........D | |
c3f311c4 | 1746 | EOF |
1747 | # If the assembler didn't choke, and we can objdump, | |
1748 | # and we got the correct data, then succeed. | |
1749 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \ | |
74e387fc | 1750 | && $gcc_cv_objdump -s -j .eh_frame conftest.o 2>/dev/null \ |
c3f311c4 | 1751 | | tail -3 > conftest.got \ |
82ebecf9 | 1752 | && { cmp conftest.lit conftest.got > /dev/null 2>&1 \ |
1753 | || cmp conftest.big conftest.got > /dev/null 2>&1; } | |
c3f311c4 | 1754 | then |
1755 | gcc_cv_as_eh_frame="yes" | |
1756 | else | |
1757 | gcc_cv_as_eh_frame="bad" | |
1758 | if $gcc_cv_as -o conftest.o --traditional-format /dev/null; then | |
1759 | AC_DEFINE(USE_AS_TRADITIONAL_FORMAT, 1, | |
1760 | [Define if your assembler mis-optimizes .eh_frame data.]) | |
1761 | fi | |
1762 | fi | |
1763 | fi | |
1764 | rm -f conftest.* | |
1765 | fi | |
1766 | AC_MSG_RESULT($gcc_cv_as_eh_frame) | |
1767 | ||
bb2821c0 | 1768 | AC_MSG_CHECKING(assembler section merging support) |
1769 | gcc_cv_as_shf_merge=no | |
1770 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then | |
1771 | if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 12 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then | |
d360c70c | 1772 | gcc_cv_as_shf_merge=yes |
bb2821c0 | 1773 | fi |
1774 | elif test x$gcc_cv_as != x; then | |
1775 | # Check if we support SHF_MERGE sections | |
1776 | echo '.section .rodata.str, "aMS", @progbits, 1' > conftest.s | |
d360c70c | 1777 | if $gcc_cv_as --fatal-warnings -o conftest.o conftest.s > /dev/null 2>&1; then |
bb2821c0 | 1778 | gcc_cv_as_shf_merge=yes |
1779 | fi | |
1780 | rm -f conftest.s conftest.o | |
1781 | fi | |
1782 | if test x"$gcc_cv_as_shf_merge" = xyes; then | |
1783 | AC_DEFINE(HAVE_GAS_SHF_MERGE, 1, | |
1784 | [Define if your assembler supports marking sections with SHF_MERGE flag.]) | |
1785 | fi | |
1786 | AC_MSG_RESULT($gcc_cv_as_shf_merge) | |
1787 | ||
2d6788fe | 1788 | AC_MSG_CHECKING(assembler thread-local storage support) |
1789 | gcc_cv_as_tls=no | |
1790 | conftest_s= | |
1791 | tls_first_major= | |
1792 | tls_first_minor= | |
1793 | case "$target" in | |
1794 | changequote(,)dnl | |
5f7b9df8 | 1795 | alpha*-*-*) |
1796 | conftest_s=' | |
1797 | .section ".tdata","awT",@progbits | |
1798 | foo: .long 25 | |
1799 | .text | |
1800 | ldq $27,__tls_get_addr($29) !literal!1 | |
1801 | lda $16,foo($29) !tlsgd!1 | |
1802 | jsr $26,($27),__tls_get_addr !lituse_tlsgd!1 | |
1803 | ldq $27,__tls_get_addr($29) !literal!2 | |
1804 | lda $16,foo($29) !tlsldm!2 | |
1805 | jsr $26,($27),__tls_get_addr !lituse_tlsldm!2 | |
1806 | ldq $1,foo($29) !gotdtprel | |
1807 | ldah $2,foo($29) !dtprelhi | |
1808 | lda $3,foo($2) !dtprello | |
1809 | lda $4,foo($29) !dtprel | |
1810 | ldq $1,foo($29) !gottprel | |
1811 | ldah $2,foo($29) !tprelhi | |
1812 | lda $3,foo($2) !tprello | |
1813 | lda $4,foo($29) !tprel' | |
1814 | tls_first_major=2 | |
1815 | tls_first_minor=13 | |
1816 | ;; | |
2d6788fe | 1817 | i[34567]86-*-*) |
1818 | changequote([,])dnl | |
1819 | conftest_s=' | |
1820 | .section ".tdata","awT",@progbits | |
1821 | foo: .long 25 | |
1822 | .text | |
1823 | movl %gs:0, %eax | |
1824 | leal foo@TLSGD(,%ebx,1), %eax | |
1825 | leal foo@TLSLDM(%ebx), %eax | |
1826 | leal foo@DTPOFF(%eax), %edx | |
1827 | movl foo@GOTTPOFF(%ebx), %eax | |
1828 | subl foo@GOTTPOFF(%ebx), %eax | |
29d8dd5c | 1829 | addl foo@GOTNTPOFF(%ebx), %eax |
1830 | movl foo@INDNTPOFF, %eax | |
2d6788fe | 1831 | movl $foo@TPOFF, %eax |
1832 | subl $foo@TPOFF, %eax | |
1833 | leal foo@NTPOFF(%ecx), %eax' | |
1834 | tls_first_major=2 | |
29d8dd5c | 1835 | tls_first_minor=14 |
1836 | ;; | |
1837 | x86_64-*-*) | |
1838 | conftest_s=' | |
1839 | .section ".tdata","awT",@progbits | |
1840 | foo: .long 25 | |
1841 | .text | |
1842 | movq %fs:0, %rax | |
1843 | leaq foo@TLSGD(%rip), %rdi | |
1844 | leaq foo@TLSLD(%rip), %rdi | |
1845 | leaq foo@DTPOFF(%rax), %rdx | |
1846 | movq foo@GOTTPOFF(%rip), %rax | |
1847 | movq $foo@TPOFF, %rax' | |
1848 | tls_first_major=2 | |
1849 | tls_first_minor=14 | |
2d6788fe | 1850 | ;; |
c87e09ad | 1851 | ia64-*-*) |
1852 | conftest_s=' | |
1853 | .section ".tdata","awT",@progbits | |
1854 | foo: data8 25 | |
1855 | .text | |
1856 | addl r16 = @ltoff(@dtpmod(foo#)), gp | |
1857 | addl r17 = @ltoff(@dtprel(foo#)), gp | |
1858 | addl r18 = @ltoff(@tprel(foo#)), gp | |
1859 | addl r19 = @dtprel(foo#), gp | |
1860 | adds r21 = @dtprel(foo#), r13 | |
1861 | movl r23 = @dtprel(foo#) | |
1862 | addl r20 = @tprel(foo#), gp | |
1863 | adds r22 = @tprel(foo#), r13 | |
1864 | movl r24 = @tprel(foo#)' | |
1865 | tls_first_major=2 | |
1866 | tls_first_minor=13 | |
1867 | ;; | |
2d6788fe | 1868 | esac |
1869 | if test -z "$tls_first_major"; then | |
1870 | : | |
1871 | elif test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x | |
1872 | then | |
1873 | if test "$gcc_cv_gas_major_version" -eq "$tls_first_major" \ | |
1874 | -a "$gcc_cv_gas_minor_version" -ge "$tls_first_minor" \ | |
1875 | -o "$gcc_cv_gas_major_version" -gt "$tls_first_major"; then | |
1876 | gcc_cv_as_tls=yes | |
1877 | fi | |
1878 | elif test x$gcc_cv_as != x; then | |
1879 | echo "$conftest_s" > conftest.s | |
1880 | if $gcc_cv_as --fatal-warnings -o conftest.o conftest.s > /dev/null 2>&1 | |
1881 | then | |
1882 | gcc_cv_as_tls=yes | |
1883 | fi | |
1884 | rm -f conftest.s conftest.o | |
1885 | fi | |
1886 | if test "$gcc_cv_as_tls" = yes; then | |
1887 | AC_DEFINE(HAVE_AS_TLS, 1, | |
1888 | [Define if your assembler supports thread-local storage.]) | |
1889 | fi | |
1890 | AC_MSG_RESULT($gcc_cv_as_tls) | |
1891 | ||
0d6378a9 | 1892 | case "$target" in |
8626dbb9 | 1893 | # All TARGET_ABI_OSF targets. |
1894 | alpha*-*-osf* | alpha*-*-linux* | alpha*-*-*bsd*) | |
1895 | AC_CACHE_CHECK([assembler supports explicit relocations], | |
1896 | gcc_cv_as_explicit_relocs, [ | |
1897 | gcc_cv_as_explicit_relocs=unknown | |
1898 | if test x$gcc_cv_gas_major_version != x \ | |
1899 | -a x$gcc_cv_gas_minor_version != x | |
1900 | then | |
1901 | if test "$gcc_cv_gas_major_version" -eq 2 \ | |
1902 | -a "$gcc_cv_gas_minor_version" -ge 12 \ | |
1903 | -o "$gcc_cv_gas_major_version" -gt 2; then | |
1904 | gcc_cv_as_explicit_relocs=yes | |
1905 | fi | |
1906 | elif test x$gcc_cv_as != x; then | |
1907 | cat > conftest.s << 'EOF' | |
1908 | .set nomacro | |
1909 | .text | |
1910 | extbl $3, $2, $3 !lituse_bytoff!1 | |
1911 | ldq $2, a($29) !literal!1 | |
1912 | ldq $4, b($29) !literal!2 | |
1913 | ldq_u $3, 0($2) !lituse_base!1 | |
1914 | ldq $27, f($29) !literal!5 | |
1915 | jsr $26, ($27), f !lituse_jsr!5 | |
1916 | ldah $29, 0($26) !gpdisp!3 | |
1917 | lda $0, c($29) !gprel | |
1918 | ldah $1, d($29) !gprelhigh | |
1919 | lda $1, d($1) !gprellow | |
1920 | lda $29, 0($29) !gpdisp!3 | |
1921 | EOF | |
1922 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
1923 | gcc_cv_as_explicit_relocs=yes | |
1924 | else | |
1925 | gcc_cv_as_explicit_relocs=no | |
1926 | fi | |
1927 | rm -f conftest.s conftest.o | |
1928 | fi | |
1929 | ]) | |
1930 | if test "x$gcc_cv_as_explicit_relocs" = xyes; then | |
1931 | AC_DEFINE(HAVE_AS_EXPLICIT_RELOCS, 1, | |
1932 | [Define if your assembler supports explicit relocations.]) | |
1933 | fi | |
1934 | ;; | |
d300bd48 | 1935 | sparc*-*-*) |
0569c094 | 1936 | AC_CACHE_CHECK([assembler .register pseudo-op support], |
1937 | gcc_cv_as_register_pseudo_op, [ | |
1938 | gcc_cv_as_register_pseudo_op=unknown | |
1939 | if test x$gcc_cv_as != x; then | |
1940 | # Check if we have .register | |
1941 | echo ".register %g2, #scratch" > conftest.s | |
1942 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
d300bd48 | 1943 | gcc_cv_as_register_pseudo_op=yes |
0569c094 | 1944 | else |
1945 | gcc_cv_as_register_pseudo_op=no | |
1946 | fi | |
1947 | rm -f conftest.s conftest.o | |
d300bd48 | 1948 | fi |
0569c094 | 1949 | ]) |
1950 | if test "x$gcc_cv_as_register_pseudo_op" = xyes; then | |
42f1312d | 1951 | AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1, |
1952 | [Define if your assembler supports .register.]) | |
d300bd48 | 1953 | fi |
d300bd48 | 1954 | |
4c335027 | 1955 | AC_CACHE_CHECK([assembler supports -relax], |
1956 | gcc_cv_as_relax_opt, [ | |
1957 | gcc_cv_as_relax_opt=unknown | |
1958 | if test x$gcc_cv_as != x; then | |
1959 | # Check if gas supports -relax | |
1960 | echo ".text" > conftest.s | |
1961 | if $gcc_cv_as -relax -o conftest.o conftest.s > /dev/null 2>&1; then | |
1962 | gcc_cv_as_relax_opt=yes | |
1963 | else | |
1964 | gcc_cv_as_relax_opt=no | |
1965 | fi | |
1966 | rm -f conftest.s conftest.o | |
1967 | fi | |
1968 | ]) | |
1969 | if test "x$gcc_cv_as_relax_opt" = xyes; then | |
1970 | AC_DEFINE(HAVE_AS_RELAX_OPTION, 1, | |
1971 | [Define if your assembler supports -relax option.]) | |
1972 | fi | |
1973 | ||
66e333b1 | 1974 | AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs], |
1975 | gcc_cv_as_sparc_ua_pcrel, [ | |
1976 | gcc_cv_as_sparc_ua_pcrel=unknown | |
1977 | if test x$gcc_cv_as != x -a x$gcc_cv_ld != x; then | |
1978 | gcc_cv_as_sparc_ua_pcrel=no | |
1979 | echo ".text; foo: nop; .data; .align 4; .byte 0; .uaword %r_disp32(foo)" > conftest.s | |
e715c863 | 1980 | if $gcc_cv_as -K PIC -o conftest.o conftest.s > /dev/null 2>&1 \ |
1981 | && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1; then | |
1982 | gcc_cv_as_sparc_ua_pcrel=yes | |
66e333b1 | 1983 | fi |
1984 | rm -f conftest.s conftest.o conftest | |
1985 | fi | |
1986 | ]) | |
1987 | if test "x$gcc_cv_as_sparc_ua_pcrel" = xyes; then | |
1988 | AC_DEFINE(HAVE_AS_SPARC_UA_PCREL, 1, | |
1989 | [Define if your assembler and linker support unaligned PC relative relocs.]) | |
1990 | fi | |
1991 | ||
e715c863 | 1992 | AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs against hidden symbols], |
1993 | gcc_cv_as_sparc_ua_pcrel_hidden, [ | |
1994 | if test "x$gcc_cv_as_sparc_ua_pcrel" = xyes; then | |
1995 | gcc_cv_as_sparc_ua_pcrel_hidden=unknown | |
1996 | if test x$gcc_cv_objdump != x; then | |
1997 | gcc_cv_as_sparc_ua_pcrel_hidden=no | |
1998 | echo ".data; .align 4; .byte 0x31; .uaword %r_disp32(foo)" > conftest.s | |
1999 | echo ".byte 0x32, 0x33, 0x34; .global foo; .hidden foo" >> conftest.s | |
2000 | echo "foo: .skip 4" >> conftest.s | |
2001 | if $gcc_cv_as -K PIC -o conftest.o conftest.s > /dev/null 2>&1 \ | |
2002 | && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1 \ | |
2003 | && $gcc_cv_objdump -s -j .data conftest 2> /dev/null \ | |
2004 | | grep ' 31000000 07323334' > /dev/null 2>&1; then | |
2005 | if $gcc_cv_objdump -R conftest 2> /dev/null \ | |
2006 | | grep 'DISP32' > /dev/null 2>&1; then | |
2007 | : | |
2008 | else | |
2009 | gcc_cv_as_sparc_ua_pcrel_hidden=yes | |
2010 | fi | |
2011 | fi | |
2012 | fi | |
2013 | rm -f conftest.s conftest.o conftest | |
2014 | else | |
2015 | gcc_cv_as_sparc_ua_pcrel_hidden="$gcc_cv_as_sparc_ua_pcrel" | |
2016 | fi | |
2017 | ]) | |
2018 | if test "x$gcc_cv_as_sparc_ua_pcrel_hidden" = xyes; then | |
2019 | AC_DEFINE(HAVE_AS_SPARC_UA_PCREL_HIDDEN, 1, | |
2020 | [Define if your assembler and linker support unaligned PC relative relocs against hidden symbols.]) | |
2021 | fi | |
2022 | ||
5a49bf3e | 2023 | AC_CACHE_CHECK([for assembler offsetable %lo() support], |
2024 | gcc_cv_as_offsetable_lo10, [ | |
2025 | gcc_cv_as_offsetable_lo10=unknown | |
2026 | if test "x$gcc_cv_as" != x; then | |
2027 | # Check if assembler has offsetable %lo() | |
2028 | echo "or %g1, %lo(ab) + 12, %g1" > conftest.s | |
2029 | echo "or %g1, %lo(ab + 12), %g1" > conftest1.s | |
2030 | if $gcc_cv_as -xarch=v9 -o conftest.o conftest.s \ | |
2031 | > /dev/null 2>&1 && | |
2032 | $gcc_cv_as -xarch=v9 -o conftest1.o conftest1.s \ | |
2033 | > /dev/null 2>&1; then | |
2034 | if cmp conftest.o conftest1.o > /dev/null 2>&1; then | |
0569c094 | 2035 | gcc_cv_as_offsetable_lo10=no |
5a49bf3e | 2036 | else |
2037 | gcc_cv_as_offsetable_lo10=yes | |
d300bd48 | 2038 | fi |
5a49bf3e | 2039 | else |
2040 | gcc_cv_as_offsetable_lo10=no | |
0569c094 | 2041 | fi |
5a49bf3e | 2042 | rm -f conftest.s conftest.o conftest1.s conftest1.o |
d300bd48 | 2043 | fi |
5a49bf3e | 2044 | ]) |
2045 | if test "x$gcc_cv_as_offsetable_lo10" = xyes; then | |
2046 | AC_DEFINE(HAVE_AS_OFFSETABLE_LO10, 1, | |
2047 | [Define if your assembler supports offsetable %lo().]) | |
d300bd48 | 2048 | fi |
f17e67ef | 2049 | |
d300bd48 | 2050 | ;; |
2051 | ||
2052 | changequote(,)dnl | |
96b9fbc1 | 2053 | i[34567]86-*-* | x86_64-*-*) |
d300bd48 | 2054 | changequote([,])dnl |
2055 | AC_MSG_CHECKING(assembler instructions) | |
2056 | gcc_cv_as_instructions= | |
398f3874 | 2057 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then |
2058 | if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2; then | |
2059 | gcc_cv_as_instructions="filds fists" | |
2060 | fi | |
2061 | elif test x$gcc_cv_as != x; then | |
d6723bcd | 2062 | set "filds fists" "filds mem; fists mem" |
2063 | while test $# -gt 0 | |
2064 | do | |
2065 | echo "$2" > conftest.s | |
2066 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
2067 | gcc_cv_as_instructions=${gcc_cv_as_instructions}$1" " | |
d6723bcd | 2068 | fi |
2069 | shift 2 | |
2070 | done | |
2071 | rm -f conftest.s conftest.o | |
d300bd48 | 2072 | fi |
398f3874 | 2073 | if test x"$gcc_cv_as_instructions" != x; then |
36f65762 | 2074 | AC_DEFINE_UNQUOTED(HAVE_GAS_`echo "$gcc_cv_as_instructions" | sed -e 's/ $//' | tr '[a-z ]' '[A-Z_]'`) |
398f3874 | 2075 | fi |
d300bd48 | 2076 | AC_MSG_RESULT($gcc_cv_as_instructions) |
bb006a84 | 2077 | |
2078 | AC_MSG_CHECKING(assembler GOTOFF in data directives) | |
2079 | gcc_cv_as_gotoff_in_data=no | |
2080 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x | |
2081 | then | |
2082 | if test "$gcc_cv_gas_major_version" -eq 2 \ | |
2083 | -a "$gcc_cv_gas_minor_version" -ge 11 \ | |
2084 | -o "$gcc_cv_gas_major_version" -gt 2; then | |
2085 | gcc_cv_as_gotoff_in_data=yes | |
2086 | fi | |
2087 | elif test x$gcc_cv_as != x; then | |
2088 | cat > conftest.s <<EOF | |
2089 | .text | |
2090 | .L0: | |
2091 | nop | |
2092 | .data | |
2093 | .long .L0@GOTOFF | |
2094 | EOF | |
2095 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
2096 | gcc_cv_as_gotoff_in_data=yes | |
2097 | fi | |
2098 | fi | |
2099 | AC_DEFINE_UNQUOTED(HAVE_AS_GOTOFF_IN_DATA, | |
2100 | [`if test $gcc_cv_as_gotoff_in_data = yes; then echo 1; else echo 0; fi`], | |
2101 | [Define true if the assembler supports '.long foo@GOTOFF'.]) | |
2102 | AC_MSG_RESULT($gcc_cv_as_gotoff_in_data) | |
d300bd48 | 2103 | ;; |
2104 | esac | |
d6723bcd | 2105 | |
142cf471 | 2106 | AC_MSG_CHECKING(assembler dwarf2 debug_line support) |
2107 | gcc_cv_as_dwarf2_debug_line=no | |
2108 | # ??? Not all targets support dwarf2 debug_line, even within a version | |
2109 | # of gas. Moreover, we need to emit a valid instruction to trigger any | |
2110 | # info to the output file. So, as supported targets are added to gas 2.11, | |
2111 | # add some instruction here to (also) show we expect this might work. | |
2112 | # ??? Once 2.11 is released, probably need to add first known working | |
2113 | # version to the per-target configury. | |
2114 | case "$target" in | |
a584fe8a | 2115 | i?86*-*-* | mips*-*-* | alpha*-*-* | powerpc*-*-* | sparc*-*-* | m68*-*-* | x86_64*-*-* | hppa*-*-*) |
142cf471 | 2116 | insn="nop" |
2117 | ;; | |
2118 | ia64*-*-*) | |
2119 | insn="nop 0" | |
2120 | ;; | |
2121 | esac | |
2122 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; | |
2123 | then | |
2124 | if test "$gcc_cv_gas_major_version" -eq 2 \ | |
2125 | -a "$gcc_cv_gas_minor_version" -ge 11 \ | |
2126 | -o "$gcc_cv_gas_major_version" -gt 2 \ | |
2127 | && grep 'obj_format = elf' ../gas/Makefile > /dev/null \ | |
2128 | && test x"$insn" != x ; then | |
2129 | gcc_cv_as_dwarf2_debug_line="yes" | |
2130 | fi | |
2131 | elif test x$gcc_cv_as != x -a x"$insn" != x ; then | |
0924bbb7 | 2132 | echo ' .file 1 "conftest.s"' > conftest.s |
2133 | echo ' .loc 1 3 0' >> conftest.s | |
142cf471 | 2134 | echo " $insn" >> conftest.s |
3740694f | 2135 | # ??? This fails with non-gnu grep. |
142cf471 | 2136 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \ |
2137 | && grep debug_line conftest.o > /dev/null 2>&1 ; then | |
3740694f | 2138 | # The .debug_line file table must be in the exact order that |
4a82352a | 2139 | # we specified the files, since these indices are also used |
3740694f | 2140 | # by DW_AT_decl_file. Approximate this test by testing if |
2141 | # the assembler bitches if the same index is assigned twice. | |
2142 | echo ' .file 1 "foo.s"' > conftest.s | |
2143 | echo ' .file 1 "bar.s"' >> conftest.s | |
2144 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 | |
2145 | then | |
2146 | gcc_cv_as_dwarf2_debug_line="no" | |
2147 | else | |
2148 | gcc_cv_as_dwarf2_debug_line="yes" | |
2149 | fi | |
142cf471 | 2150 | fi |
2151 | rm -f conftest.s conftest.o conftest.nm1 conftest.nm2 | |
2152 | fi | |
2153 | if test x"$gcc_cv_as_dwarf2_debug_line" = xyes; then | |
2154 | AC_DEFINE(HAVE_AS_DWARF2_DEBUG_LINE, 1, | |
3740694f | 2155 | [Define if your assembler supports dwarf2 .file/.loc directives, |
4a82352a | 2156 | and preserves file table indices exactly as given.]) |
142cf471 | 2157 | fi |
2158 | AC_MSG_RESULT($gcc_cv_as_dwarf2_debug_line) | |
2159 | ||
1a6f9700 | 2160 | AC_MSG_CHECKING(assembler --gdwarf2 support) |
2161 | gcc_cv_as_gdwarf2_flag=no | |
2162 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; | |
2163 | then | |
2164 | if test "$gcc_cv_gas_major_version" -eq 2 \ | |
2165 | -a "$gcc_cv_gas_minor_version" -ge 11 \ | |
2166 | -o "$gcc_cv_gas_major_version" -gt 2 \ | |
2167 | && grep 'obj_format = elf' ../gas/Makefile > /dev/null \ | |
2168 | && test x"$insn" != x ; then | |
84099d35 | 2169 | gcc_cv_as_gdwarf2_flag="yes" |
1a6f9700 | 2170 | fi |
2171 | elif test x$gcc_cv_as != x -a x"$insn" != x ; then | |
2172 | echo '' > conftest.s | |
2173 | # ??? This fails with non-gnu grep. | |
2174 | if $gcc_cv_as --gdwarf2 -o conftest.o conftest.s > /dev/null 2>&1 | |
2175 | then | |
2176 | gcc_cv_as_gdwarf2_flag="yes" | |
2177 | fi | |
2178 | rm -f conftest.s conftest.o | |
2179 | fi | |
2180 | if test x"$gcc_cv_as_gdwarf2_flag" = xyes; then | |
2181 | AC_DEFINE(HAVE_AS_GDWARF2_DEBUG_FLAG, 1, | |
2182 | [Define if your assembler supports the --gdwarf2 option.]) | |
2183 | fi | |
2184 | AC_MSG_RESULT($gcc_cv_as_gdwarf2_flag) | |
2185 | ||
2186 | AC_MSG_CHECKING(assembler --gstabs support) | |
2187 | gcc_cv_as_gstabs_flag=no | |
2188 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; | |
2189 | then | |
2190 | if test "$gcc_cv_gas_major_version" -eq 2 \ | |
2191 | -a "$gcc_cv_gas_minor_version" -ge 11 \ | |
2192 | -o "$gcc_cv_gas_major_version" -gt 2 \ | |
2193 | && grep 'obj_format = elf' ../gas/Makefile > /dev/null \ | |
2194 | && test x"$insn" != x ; then | |
84099d35 | 2195 | gcc_cv_as_gstabs_flag="yes" |
1a6f9700 | 2196 | fi |
2197 | elif test x$gcc_cv_as != x -a x"$insn" != x ; then | |
2198 | echo '' > conftest.s | |
2199 | # ??? This fails with non-gnu grep. | |
2200 | if $gcc_cv_as --gstabs -o conftest.o conftest.s > /dev/null 2>&1 ; then | |
2201 | gcc_cv_as_gstabs_flag="yes" | |
2202 | fi | |
2203 | rm -f conftest.s conftest.o | |
2204 | fi | |
2205 | if test x"$gcc_cv_as_gstabs_flag" = xyes; then | |
2206 | AC_DEFINE(HAVE_AS_GSTABS_DEBUG_FLAG, 1, | |
2207 | [Define if your assembler supports the --gstabs option.]) | |
2208 | fi | |
2209 | AC_MSG_RESULT($gcc_cv_as_gstabs_flag) | |
2210 | ||
0d6378a9 | 2211 | AC_MSG_CHECKING(linker PT_GNU_EH_FRAME support) |
2212 | gcc_cv_ld_eh_frame_hdr=no | |
2213 | if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then | |
2214 | if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 12 -o "$gcc_cv_gld_major_version" -gt 2 && grep 'EMUL = elf' ../ld/Makefile > /dev/null; then | |
2215 | gcc_cv_ld_eh_frame_hdr=yes | |
2216 | fi | |
2217 | elif test x$gcc_cv_ld != x; then | |
2218 | # Check if linker supports --eh-frame-hdr option | |
2219 | if $gcc_cv_ld --help 2>/dev/null | grep eh-frame-hdr > /dev/null; then | |
2220 | gcc_cv_ld_eh_frame_hdr=yes | |
2221 | fi | |
2222 | fi | |
2223 | if test x"$gcc_cv_ld_eh_frame_hdr" = xyes; then | |
2224 | AC_DEFINE(HAVE_LD_EH_FRAME_HDR, 1, | |
2225 | [Define if your linker supports --eh-frame-hdr option.]) | |
2226 | fi | |
2227 | AC_MSG_RESULT($gcc_cv_ld_eh_frame_hdr) | |
2228 | ||
b3eecb6c | 2229 | # Miscellaneous target-specific checks. |
2230 | case "$target" in | |
2231 | mips*-*-*) | |
2232 | AC_MSG_CHECKING(whether libgloss uses STARTUP directives consistently) | |
2233 | gcc_cv_mips_libgloss_startup=no | |
2234 | gcc_cv_libgloss_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/libgloss | |
2235 | if test "x$exec_prefix" = xNONE; then | |
2236 | if test "x$prefix" = xNONE; then | |
2237 | test_prefix=/usr/local | |
2238 | else | |
2239 | test_prefix=$prefix | |
2240 | fi | |
2241 | else | |
2242 | test_prefix=$exec_prefix | |
2243 | fi | |
2244 | for f in $gcc_cv_libgloss_srcdir/mips/idt.ld $test_prefix/$target_alias/lib/idt.ld | |
2245 | do | |
2246 | if grep '^STARTUP' $f > /dev/null 2>&1; then | |
2247 | gcc_cv_mips_libgloss_startup=yes | |
2248 | break | |
2249 | fi | |
2250 | done | |
2251 | if test x"$gcc_cv_mips_libgloss_startup" = xyes; then | |
2252 | AC_DEFINE(HAVE_MIPS_LIBGLOSS_STARTUP_DIRECTIVES, 1, | |
2253 | [Define if your MIPS libgloss linker scripts consistently include STARTUP directives.]) | |
2254 | fi | |
2255 | AC_MSG_RESULT($gcc_cv_mips_libgloss_startup) | |
2256 | ;; | |
2257 | esac | |
2258 | ||
64ac4a42 | 2259 | if test "$prefix" != "/usr" && test "x$prefix" != "x$local_prefix" ; then |
759d75c3 | 2260 | AC_DEFINE_UNQUOTED(PREFIX_INCLUDE_DIR, "$prefix/include") |
2261 | fi | |
2262 | ||
a4ac0141 | 2263 | # Figure out what language subdirectories are present. |
76103b2c | 2264 | # Look if the user specified --enable-languages="..."; if not, use |
2265 | # the environment variable $LANGUAGES if defined. $LANGUAGES might | |
2266 | # go away some day. | |
84d2595c | 2267 | # NB: embedded tabs in this IF block -- do not untabify |
76103b2c | 2268 | if test x"${enable_languages+set}" != xset; then |
2269 | if test x"${LANGUAGES+set}" = xset; then | |
84d2595c | 2270 | enable_languages="${LANGUAGES}" |
2271 | AC_MSG_WARN([setting LANGUAGES is deprecated, use --enable-languages instead]) | |
2272 | ||
76103b2c | 2273 | else |
2274 | enable_languages=all | |
2275 | fi | |
80725cb4 | 2276 | else |
6fa4a60a | 2277 | if test x"${enable_languages}" = x \ |
2278 | || test x"${enable_languages}" = xyes; | |
84d2595c | 2279 | then |
2280 | AC_MSG_ERROR([--enable-languages needs at least one language argument]) | |
80725cb4 | 2281 | fi |
76103b2c | 2282 | fi |
84d2595c | 2283 | enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'` |
c082242a | 2284 | |
2285 | # First scan to see if an enabled language requires some other language. | |
2286 | # We assume that a given config-lang.in will list all the language | |
2287 | # front ends it requires, even if some are required indirectly. | |
2288 | for lang in ${srcdir}/*/config-lang.in .. | |
2289 | do | |
2290 | case $lang in | |
2291 | ..) | |
2292 | ;; | |
2293 | # The odd quoting in the next line works around | |
2294 | # an apparent bug in bash 1.12 on linux. | |
2295 | changequote(,)dnl | |
2296 | ${srcdir}/[*]/config-lang.in) | |
2297 | ;; | |
2298 | *) | |
2299 | lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang` | |
2300 | this_lang_requires=`sed -n -e 's,^lang_requires=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^lang_requires=\([^ ]*\).*$,\1,p' $lang` | |
2301 | for other in $this_lang_requires | |
2302 | do | |
2303 | case ,${enable_languages}, in | |
2304 | *,$other,*) | |
2305 | ;; | |
2306 | *,all,*) | |
2307 | ;; | |
030cb2dc | 2308 | *,$lang_alias,*) |
c082242a | 2309 | enable_languages="$enable_languages,$other" |
2310 | ;; | |
2311 | esac | |
2312 | done | |
2313 | ;; | |
2314 | changequote([,])dnl | |
2315 | esac | |
2316 | done | |
2317 | ||
6fa4a60a | 2318 | expected_languages=`echo ,${enable_languages}, | sed -e 's:,: :g' -e 's: *: :g' -e 's: *: :g' -e 's:^ ::' -e 's: $::'` |
2319 | found_languages= | |
a4ac0141 | 2320 | subdirs= |
2321 | for lang in ${srcdir}/*/config-lang.in .. | |
2322 | do | |
2323 | case $lang in | |
2324 | ..) ;; | |
2325 | # The odd quoting in the next line works around | |
2326 | # an apparent bug in bash 1.12 on linux. | |
bf3637a9 | 2327 | changequote(,)dnl |
2328 | ${srcdir}/[*]/config-lang.in) ;; | |
76103b2c | 2329 | *) |
2330 | lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang` | |
fdf60b09 | 2331 | this_lang_libs=`sed -n -e 's,^target_libs=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^target_libs=\([^ ]*\).*$,\1,p' $lang` |
2332 | build_by_default=`sed -n -e 's,^build_by_default=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^build_by_default=\([^ ]*\).*$,\1,p' $lang` | |
76103b2c | 2333 | if test "x$lang_alias" = x |
2334 | then | |
2335 | echo "$lang doesn't set \$language." 1>&2 | |
2336 | exit 1 | |
2337 | fi | |
fdf60b09 | 2338 | case ${build_by_default},${enable_languages}, in |
2339 | *,$lang_alias,*) add_this_lang=yes ;; | |
2340 | no,*) add_this_lang=no ;; | |
2341 | *,all,*) add_this_lang=yes ;; | |
2342 | *) add_this_lang=no ;; | |
2343 | esac | |
6fa4a60a | 2344 | found_languages="${found_languages} ${lang_alias}" |
76103b2c | 2345 | if test x"${add_this_lang}" = xyes; then |
2346 | case $lang in | |
2347 | ${srcdir}/ada/config-lang.in) | |
9245d89d | 2348 | if test x$have_gnat = xyes ; then |
76103b2c | 2349 | subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`" |
2350 | fi | |
2351 | ;; | |
2352 | *) | |
2353 | subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`" | |
2354 | ;; | |
2355 | esac | |
2356 | fi | |
2357 | ;; | |
bf3637a9 | 2358 | changequote([,])dnl |
a4ac0141 | 2359 | esac |
2360 | done | |
2361 | ||
6fa4a60a | 2362 | missing_languages= |
2363 | for expected_language in ${expected_languages} .. | |
2364 | do | |
2365 | if test "${expected_language}" != ..; then | |
2366 | missing_language="${expected_language}" | |
2367 | if test "${expected_language}" = "c" \ | |
2368 | || test "${expected_language}" = "all"; then | |
2369 | missing_language= | |
2370 | fi | |
2371 | for found_language in ${found_languages} .. | |
2372 | do | |
2373 | if test "${found_language}" != ..; then | |
2374 | if test "${expected_language}" = "${found_language}"; then | |
2375 | missing_language= | |
2376 | fi | |
2377 | fi | |
2378 | done | |
2379 | if test "x${missing_language}" != x; then | |
2380 | missing_languages="${missing_languages} ${missing_language}" | |
2381 | fi | |
2382 | fi | |
2383 | done | |
2384 | ||
2385 | if test "x$missing_languages" != x; then | |
2386 | AC_MSG_ERROR([ | |
2387 | The following requested languages were not found:${missing_languages} | |
2388 | The following languages were available: c${found_languages}]) | |
c2f7da0f | 2389 | fi |
2390 | ||
58febf9e | 2391 | # Make gthr-default.h if we have a thread file. |
2392 | gthread_flags= | |
bf3637a9 | 2393 | if test $thread_file != single; then |
58febf9e | 2394 | rm -f gthr-default.h |
f877a6f9 | 2395 | echo "#include \"gthr-${thread_file}.h\"" > gthr-default.h |
58febf9e | 2396 | gthread_flags=-DHAVE_GTHR_DEFAULT |
2397 | fi | |
2398 | AC_SUBST(gthread_flags) | |
2399 | ||
772580ce | 2400 | # Find out what GC implementation we want, or may, use. |
2401 | AC_ARG_WITH(gc, | |
77eb56d4 | 2402 | [ --with-gc={simple,page} choose the garbage collection mechanism to use |
2403 | with the compiler], | |
772580ce | 2404 | [case "$withval" in |
2405 | simple | page) | |
2406 | GGC=ggc-$withval | |
2407 | ;; | |
2408 | *) | |
2409 | AC_MSG_ERROR([$withval is an invalid option to --with-gc]) | |
2410 | ;; | |
2411 | esac], | |
80eb2355 | 2412 | [GGC=ggc-page]) |
772580ce | 2413 | AC_SUBST(GGC) |
2414 | echo "Using $GGC for garbage collection." | |
2415 | ||
add841d2 | 2416 | # Use the system's zlib library. |
f357ac87 | 2417 | zlibdir=-L../zlib |
2418 | zlibinc="-I\$(srcdir)/../zlib" | |
add841d2 | 2419 | AC_ARG_WITH(system-zlib, |
2420 | [ --with-system-zlib use installed libz], | |
2421 | zlibdir= | |
2422 | zlibinc= | |
2423 | ) | |
2424 | AC_SUBST(zlibdir) | |
2425 | AC_SUBST(zlibinc) | |
2426 | ||
c5ab9ed2 | 2427 | dnl Very limited version of automake's enable-maintainer-mode |
2428 | ||
2429 | AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) | |
2430 | dnl maintainer-mode is disabled by default | |
2431 | AC_ARG_ENABLE(maintainer-mode, | |
77eb56d4 | 2432 | [ --enable-maintainer-mode |
2433 | enable make rules and dependencies not useful | |
c5ab9ed2 | 2434 | (and sometimes confusing) to the casual installer], |
2435 | maintainer_mode=$enableval, | |
2436 | maintainer_mode=no) | |
2437 | ||
2438 | AC_MSG_RESULT($maintainer_mode) | |
2439 | ||
2440 | if test "$maintainer_mode" = "yes"; then | |
2441 | MAINT='' | |
2442 | else | |
2443 | MAINT='#' | |
2444 | fi | |
2445 | AC_SUBST(MAINT)dnl | |
2446 | ||
10be98bd | 2447 | # With Setjmp/Longjmp based exception handling. |
2448 | AC_ARG_ENABLE(sjlj-exceptions, | |
77eb56d4 | 2449 | [ --enable-sjlj-exceptions |
2450 | arrange to use setjmp/longjmp exception handling], | |
10be98bd | 2451 | [sjlj=`if test $enableval = yes; then echo 1; else echo 0; fi` |
2452 | AC_DEFINE_UNQUOTED(CONFIG_SJLJ_EXCEPTIONS, $sjlj, | |
2453 | [Define 0/1 to force the choice for exception handling model.])]) | |
2454 | ||
5f989906 | 2455 | # Use libunwind based exception handling. |
2456 | AC_ARG_ENABLE(libunwind-exceptions, | |
2457 | [ --enable-libunwind-exceptions force use libunwind for exceptions], | |
2458 | use_libunwind_exceptions=$enableval, | |
2459 | use_libunwind_exceptions=no) | |
2460 | if test x"$use_libunwind_exceptions" = xyes; then | |
2461 | AC_DEFINE(USE_LIBUNWIND_EXCEPTIONS, 1, | |
2462 | [Define if gcc should use -lunwind.]) | |
2463 | fi | |
2464 | ||
a4ac0141 | 2465 | # Make empty files to contain the specs and options for each language. |
2466 | # Then add #include lines to for a compiler that has specs and/or options. | |
2467 | ||
2468 | lang_specs_files= | |
2469 | lang_options_files= | |
c3cc26e1 | 2470 | lang_tree_files= |
a4ac0141 | 2471 | for subdir in . $subdirs |
2472 | do | |
bf3637a9 | 2473 | if test -f $srcdir/$subdir/lang-specs.h; then |
a1a7e9d5 | 2474 | lang_specs_files="$lang_specs_files $srcdir/$subdir/lang-specs.h" |
a4ac0141 | 2475 | fi |
bf3637a9 | 2476 | if test -f $srcdir/$subdir/lang-options.h; then |
a1a7e9d5 | 2477 | lang_options_files="$lang_options_files $srcdir/$subdir/lang-options.h" |
a4ac0141 | 2478 | fi |
c3cc26e1 | 2479 | if test -f $srcdir/$subdir/$subdir-tree.def; then |
a1a7e9d5 | 2480 | lang_tree_files="$lang_tree_files $srcdir/$subdir/$subdir-tree.def" |
c3cc26e1 | 2481 | fi |
a4ac0141 | 2482 | done |
2483 | ||
2484 | # These (without "all_") are set in each config-lang.in. | |
2485 | # `language' must be a single word so is spelled singularly. | |
2486 | all_languages= | |
2487 | all_boot_languages= | |
2488 | all_compilers= | |
2489 | all_stagestuff= | |
336ff1b3 | 2490 | all_outputs='Makefile intl/Makefile fixinc/Makefile gccbug mklibgcc mkheaders' |
a4ac0141 | 2491 | # List of language makefile fragments. |
2492 | all_lang_makefiles= | |
1f3233d1 | 2493 | # Files for gengtype |
eb1bd38b | 2494 | all_gtfiles="$target_gtfiles" |
776c30b8 | 2495 | # Files for gengtype with language |
2496 | all_gtfiles_files_langs= | |
2497 | all_gtfiles_files_files= | |
a4ac0141 | 2498 | |
2499 | # Add the language fragments. | |
2500 | # Languages are added via two mechanisms. Some information must be | |
2501 | # recorded in makefile variables, these are defined in config-lang.in. | |
2502 | # We accumulate them and plug them into the main Makefile. | |
2503 | # The other mechanism is a set of hooks for each of the main targets | |
2504 | # like `clean', `install', etc. | |
2505 | ||
2506 | language_fragments="Make-lang" | |
2507 | language_hooks="Make-hooks" | |
2508 | ||
2509 | for s in .. $subdirs | |
2510 | do | |
bf3637a9 | 2511 | if test $s != ".." |
a4ac0141 | 2512 | then |
2513 | language= | |
2514 | boot_language= | |
2515 | compilers= | |
2516 | stagestuff= | |
e14c212c | 2517 | outputs= |
1f3233d1 | 2518 | gtfiles= |
a4ac0141 | 2519 | . ${srcdir}/$s/config-lang.in |
bf3637a9 | 2520 | if test "x$language" = x |
a4ac0141 | 2521 | then |
2522 | echo "${srcdir}/$s/config-lang.in doesn't set \$language." 1>&2 | |
2523 | exit 1 | |
2524 | fi | |
aaaa7561 | 2525 | all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Make-lang.in" |
2526 | if test -f ${srcdir}/$s/Makefile.in | |
2527 | then all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Makefile.in" | |
2528 | fi | |
a4ac0141 | 2529 | all_languages="$all_languages $language" |
bf3637a9 | 2530 | if test "x$boot_language" = xyes |
a4ac0141 | 2531 | then |
2532 | all_boot_languages="$all_boot_languages $language" | |
2533 | fi | |
2534 | all_compilers="$all_compilers $compilers" | |
2535 | all_stagestuff="$all_stagestuff $stagestuff" | |
e14c212c | 2536 | all_outputs="$all_outputs $outputs" |
1f3233d1 | 2537 | all_gtfiles="$all_gtfiles $gtfiles" |
776c30b8 | 2538 | for f in .. $gtfiles |
2539 | do | |
2540 | if test $f != ".." | |
2541 | then | |
2542 | all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} " | |
2543 | all_gtfiles_files_files="$all_gtfiles_files_files ${f} " | |
2544 | fi | |
2545 | done | |
a4ac0141 | 2546 | fi |
2547 | done | |
2548 | ||
776c30b8 | 2549 | # Pick up gtfiles for c |
2550 | gtfiles= | |
2551 | s="c" | |
2552 | . ${srcdir}/c-config-lang.in | |
2553 | all_gtfiles="$all_gtfiles $gtfiles" | |
2554 | for f in .. $gtfiles | |
2555 | do | |
2556 | if test $f != ".." | |
2557 | then | |
2558 | all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} " | |
2559 | all_gtfiles_files_files="$all_gtfiles_files_files ${f} " | |
2560 | fi | |
2561 | done | |
2562 | ||
21fa82cb | 2563 | check_languages= |
2564 | for language in .. $all_languages | |
2565 | do | |
2566 | if test $language != ".." | |
2567 | then | |
2568 | check_languages="$check_languages check-$language" | |
2569 | fi | |
2570 | done | |
2571 | ||
a4ac0141 | 2572 | # Since we can't use `::' targets, we link each language in |
2573 | # with a set of hooks, reached indirectly via lang.${target}. | |
2574 | ||
2575 | rm -f Make-hooks | |
2576 | touch Make-hooks | |
2577 | target_list="all.build all.cross start.encap rest.encap \ | |
8cc4e5de | 2578 | info dvi generated-manpages \ |
a4ac0141 | 2579 | install-normal install-common install-info install-man \ |
98fb2ff8 | 2580 | uninstall \ |
a4ac0141 | 2581 | mostlyclean clean distclean extraclean maintainer-clean \ |
2582 | stage1 stage2 stage3 stage4" | |
2583 | for t in $target_list | |
2584 | do | |
2585 | x= | |
be2828ce | 2586 | for lang in .. $all_languages |
a4ac0141 | 2587 | do |
be2828ce | 2588 | if test $lang != ".."; then |
2589 | x="$x $lang.$t" | |
a4ac0141 | 2590 | fi |
2591 | done | |
2592 | echo "lang.$t: $x" >> Make-hooks | |
2593 | done | |
2594 | ||
49d87238 | 2595 | # Create .gdbinit. |
80a1cc00 | 2596 | |
49d87238 | 2597 | echo "dir ." > .gdbinit |
2598 | echo "dir ${srcdir}" >> .gdbinit | |
2599 | if test x$gdb_needs_out_file_path = xyes | |
2600 | then | |
2601 | echo "dir ${srcdir}/config/"`dirname ${out_file}` >> .gdbinit | |
2602 | fi | |
2603 | if test "x$subdirs" != x; then | |
2604 | for s in $subdirs | |
2605 | do | |
2606 | echo "dir ${srcdir}/$s" >> .gdbinit | |
2607 | done | |
80a1cc00 | 2608 | fi |
49d87238 | 2609 | echo "source ${srcdir}/gdbinit.in" >> .gdbinit |
80a1cc00 | 2610 | |
11d80b02 | 2611 | # Define variables host_canonical and build_canonical |
2612 | # because some Cygnus local changes in the Makefile depend on them. | |
2613 | build_canonical=${build} | |
2614 | host_canonical=${host} | |
2615 | target_subdir= | |
bf3637a9 | 2616 | if test "${host}" != "${target}" ; then |
71a7798b | 2617 | target_subdir=${target_alias}/ |
11d80b02 | 2618 | fi |
2619 | AC_SUBST(build_canonical) | |
2620 | AC_SUBST(host_canonical) | |
2621 | AC_SUBST(target_subdir) | |
2622 | ||
8ffadb5b | 2623 | # If $(exec_prefix) exists and is not the same as $(prefix), then compute an |
2624 | # absolute path for gcc_tooldir based on inserting the number of up-directory | |
2625 | # movements required to get from $(exec_prefix) to $(prefix) into the basic | |
2626 | # $(libsubdir)/@(unlibsubdir) based path. | |
e29a95ef | 2627 | # Don't set gcc_tooldir to tooldir since that's only passed in by the toplevel |
2628 | # make and thus we'd get different behavior depending on where we built the | |
2629 | # sources. | |
7df8690a | 2630 | if test x$exec_prefix = xNONE -o x$exec_prefix = x$prefix; then |
f22b529a | 2631 | gcc_tooldir='$(libsubdir)/$(unlibsubdir)/../$(target_alias)' |
2632 | else | |
8ffadb5b | 2633 | changequote(<<, >>)dnl |
2634 | # An explanation of the sed strings: | |
2635 | # -e 's|^\$(prefix)||' matches and eliminates 'prefix' from 'exec_prefix' | |
2636 | # -e 's|/$||' match a trailing forward slash and eliminates it | |
2637 | # -e 's|^[^/]|/|' forces the string to start with a forward slash (*) | |
424da949 | 2638 | # -e 's|/[^/]*|../|g' replaces each occurrence of /<directory> with ../ |
8ffadb5b | 2639 | # |
2640 | # (*) Note this pattern overwrites the first character of the string | |
2641 | # with a forward slash if one is not already present. This is not a | |
2642 | # problem because the exact names of the sub-directories concerned is | |
2643 | # unimportant, just the number of them matters. | |
2644 | # | |
2645 | # The practical upshot of these patterns is like this: | |
2646 | # | |
2647 | # prefix exec_prefix result | |
2648 | # ------ ----------- ------ | |
2649 | # /foo /foo/bar ../ | |
2650 | # /foo/ /foo/bar ../ | |
2651 | # /foo /foo/bar/ ../ | |
2652 | # /foo/ /foo/bar/ ../ | |
2653 | # /foo /foo/bar/ugg ../../ | |
2654 | # | |
066520ea | 2655 | dollar='$$' |
2656 | gcc_tooldir="\$(libsubdir)/\$(unlibsubdir)/\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/\$(dollar)||' -e 's|^[^/]|/|' -e 's|/[^/]*|../|g'\`\$(target_alias)" | |
8ffadb5b | 2657 | changequote([, ])dnl |
f22b529a | 2658 | fi |
2659 | AC_SUBST(gcc_tooldir) | |
066520ea | 2660 | AC_SUBST(dollar) |
f22b529a | 2661 | |
074386b8 | 2662 | # Find a directory in which to install a shared libgcc. |
2663 | ||
2664 | AC_ARG_ENABLE(version-specific-runtime-libs, | |
77eb56d4 | 2665 | [ --enable-version-specific-runtime-libs |
2666 | specify that runtime libraries should be | |
2667 | installed in a compiler-specific directory]) | |
074386b8 | 2668 | |
4724fbab | 2669 | AC_ARG_WITH(slibdir, |
2670 | [ --with-slibdir=DIR shared libraries in DIR [LIBDIR]], | |
2671 | slibdir="$with_slibdir", | |
2672 | if test "${enable_version_specific_runtime_libs+set}" = set; then | |
074386b8 | 2673 | slibdir='$(libsubdir)' |
4724fbab | 2674 | elif test "$host" != "$target"; then |
074386b8 | 2675 | slibdir='$(build_tooldir)/lib' |
2676 | else | |
4724fbab | 2677 | slibdir='$(libdir)' |
2678 | fi) | |
074386b8 | 2679 | AC_SUBST(slibdir) |
2680 | ||
3354d061 | 2681 | objdir=`${PWDCMD-pwd}` |
fbc57885 | 2682 | AC_SUBST(objdir) |
2683 | ||
5a92ba2a | 2684 | # Process the language and host/target makefile fragments. |
2685 | ${CONFIG_SHELL-/bin/sh} $srcdir/configure.frag $srcdir "$subdirs" "$dep_host_xmake_file" "$dep_tmake_file" | |
c962448d | 2686 | |
01dc27ef | 2687 | # Substitute configuration variables |
2688 | AC_SUBST(subdirs) | |
776c30b8 | 2689 | AC_SUBST(srcdir) |
01dc27ef | 2690 | AC_SUBST(all_boot_languages) |
2691 | AC_SUBST(all_compilers) | |
1f3233d1 | 2692 | AC_SUBST(all_gtfiles) |
776c30b8 | 2693 | AC_SUBST(all_gtfiles_files_langs) |
2694 | AC_SUBST(all_gtfiles_files_files) | |
434bb88d | 2695 | AC_SUBST(all_lang_makefiles) |
2696 | AC_SUBST(all_languages) | |
434bb88d | 2697 | AC_SUBST(all_stagestuff) |
2698 | AC_SUBST(build_exeext) | |
2699 | AC_SUBST(build_install_headers_dir) | |
2700 | AC_SUBST(build_xm_file_list) | |
83b8e55b | 2701 | AC_SUBST(build_xm_file) |
2702 | AC_SUBST(build_xm_defines) | |
21fa82cb | 2703 | AC_SUBST(check_languages) |
434bb88d | 2704 | AC_SUBST(cc_set_by_configure) |
b441f25a | 2705 | AC_SUBST(quoted_cc_set_by_configure) |
434bb88d | 2706 | AC_SUBST(cpp_install_dir) |
434bb88d | 2707 | AC_SUBST(dep_host_xmake_file) |
2708 | AC_SUBST(dep_tmake_file) | |
434bb88d | 2709 | AC_SUBST(extra_headers_list) |
01dc27ef | 2710 | AC_SUBST(extra_objs) |
434bb88d | 2711 | AC_SUBST(extra_parts) |
2712 | AC_SUBST(extra_passes) | |
2713 | AC_SUBST(extra_programs) | |
434bb88d | 2714 | AC_SUBST(float_h_file) |
9371935c | 2715 | AC_SUBST(gcc_config_arguments) |
434bb88d | 2716 | AC_SUBST(gcc_gxx_include_dir) |
e23b9583 | 2717 | AC_SUBST(libstdcxx_incdir) |
434bb88d | 2718 | AC_SUBST(gcc_version) |
328fce18 | 2719 | AC_SUBST(gcc_version_full) |
434bb88d | 2720 | AC_SUBST(gcc_version_trigger) |
2721 | AC_SUBST(host_exeext) | |
01dc27ef | 2722 | AC_SUBST(host_extra_gcc_objs) |
01dc27ef | 2723 | AC_SUBST(host_xm_file_list) |
83b8e55b | 2724 | AC_SUBST(host_xm_file) |
2725 | AC_SUBST(host_xm_defines) | |
434bb88d | 2726 | AC_SUBST(install) |
01dc27ef | 2727 | AC_SUBST(lang_options_files) |
434bb88d | 2728 | AC_SUBST(lang_specs_files) |
c3cc26e1 | 2729 | AC_SUBST(lang_tree_files) |
01dc27ef | 2730 | AC_SUBST(local_prefix) |
434bb88d | 2731 | AC_SUBST(md_file) |
2732 | AC_SUBST(objc_boehm_gc) | |
2733 | AC_SUBST(out_file) | |
2734 | AC_SUBST(out_object_file) | |
01dc27ef | 2735 | AC_SUBST(stage_prefix_set_by_configure) |
68d6e74b | 2736 | AC_SUBST(quoted_stage_prefix_set_by_configure) |
0dbd1c74 | 2737 | AC_SUBST(symbolic_link) |
434bb88d | 2738 | AC_SUBST(thread_file) |
2739 | AC_SUBST(tm_file_list) | |
83b8e55b | 2740 | AC_SUBST(tm_file) |
8d4f8d46 | 2741 | AC_SUBST(tm_defines) |
83b8e55b | 2742 | AC_SUBST(tm_p_file_list) |
2743 | AC_SUBST(tm_p_file) | |
2744 | AC_SUBST(xm_file) | |
8b24e546 | 2745 | AC_SUBST(xm_defines) |
8bc501b0 | 2746 | AC_SUBST(target_alias) |
8daa9e98 | 2747 | AC_SUBST(c_target_objs) |
2748 | AC_SUBST(cxx_target_objs) | |
83b8e55b | 2749 | AC_SUBST(target_cpu_default) |
01dc27ef | 2750 | |
2751 | AC_SUBST_FILE(target_overrides) | |
2752 | AC_SUBST_FILE(host_overrides) | |
01dc27ef | 2753 | AC_SUBST_FILE(language_fragments) |
2754 | AC_SUBST_FILE(language_hooks) | |
2755 | ||
2756 | # Echo that links are built | |
bf3637a9 | 2757 | if test x$host = x$target |
01dc27ef | 2758 | then |
2759 | str1="native " | |
2760 | else | |
2761 | str1="cross-" | |
2762 | str2=" from $host" | |
2763 | fi | |
2764 | ||
bf3637a9 | 2765 | if test x$host != x$build |
01dc27ef | 2766 | then |
2767 | str3=" on a $build system" | |
2768 | fi | |
2769 | ||
bf3637a9 | 2770 | if test "x$str2" != x || test "x$str3" != x |
01dc27ef | 2771 | then |
2772 | str4= | |
2773 | fi | |
2774 | ||
2775 | echo "Links are now set up to build a ${str1}compiler for ${target}$str4" 1>&2 | |
2776 | ||
bf3637a9 | 2777 | if test "x$str2" != x || test "x$str3" != x |
01dc27ef | 2778 | then |
2779 | echo " ${str2}${str3}." 1>&2 | |
2780 | fi | |
2781 | ||
9c1d888a | 2782 | # Truncate the target if necessary |
bf3637a9 | 2783 | if test x$host_truncate_target != x; then |
9c1d888a | 2784 | target=`echo $target | sed -e 's/\(..............\).*/\1/'` |
2785 | fi | |
2786 | ||
01dc27ef | 2787 | # Configure the subdirectories |
2788 | # AC_CONFIG_SUBDIRS($subdirs) | |
2789 | ||
2790 | # Create the Makefile | |
4fc83d8e | 2791 | # and configure language subdirectories |
e14c212c | 2792 | AC_OUTPUT($all_outputs, |
805483cf | 2793 | [ |
805483cf | 2794 | case x$CONFIG_HEADERS in |
764fc592 | 2795 | xauto-host.h:config.in) |
ad588311 | 2796 | echo > cstamp-h ;; |
805483cf | 2797 | esac |
55b0dbe2 | 2798 | # If the host supports symlinks, point stage[1234] at ../stage[1234] so |
2799 | # bootstrapping and the installation procedure can still use | |
2800 | # CC="stage1/xgcc -Bstage1/". If the host doesn't support symlinks, | |
2801 | # FLAGS_TO_PASS has been modified to solve the problem there. | |
2802 | # This is virtually a duplicate of what happens in configure.lang; we do | |
2803 | # an extra check to make sure this only happens if ln -s can be used. | |
bf3637a9 | 2804 | if test "$symbolic_link" = "ln -s"; then |
2df7259f | 2805 | for d in .. ${subdirs} fixinc ; do |
bf3637a9 | 2806 | if test $d != ..; then |
3354d061 | 2807 | STARTDIR=`${PWDCMD-pwd}` |
0ba40214 | 2808 | cd $d |
2809 | for t in stage1 stage2 stage3 stage4 include | |
2810 | do | |
2811 | rm -f $t | |
2812 | $symbolic_link ../$t $t 2>/dev/null | |
2813 | done | |
2814 | cd $STARTDIR | |
55b0dbe2 | 2815 | fi |
2816 | done | |
2817 | else true ; fi | |
be2828ce | 2818 | # Avoid having to add intl to our include paths. |
2819 | if test -f intl/libintl.h; then | |
2820 | echo creating libintl.h | |
2821 | echo '#include "intl/libintl.h"' >libintl.h | |
2822 | fi | |
a1a7e9d5 | 2823 | ], |
2824 | [subdirs='$subdirs' | |
2825 | symbolic_link='$symbolic_link' | |
805483cf | 2826 | ]) |