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ca9bc441 | 1 | # configure.ac for GCC |
46f18e7b RK |
2 | # Process this file with autoconf to generate a configuration script. |
3 | ||
ca9bc441 | 4 | # Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004 |
eb70d86d | 5 | # Free Software Foundation, Inc. |
46f18e7b | 6 | |
1322177d | 7 | #This file is part of GCC. |
46f18e7b | 8 | |
1322177d LB |
9 | #GCC is free software; you can redistribute it and/or modify it under |
10 | #the terms of the GNU General Public License as published by the Free | |
11 | #Software Foundation; either version 2, or (at your option) any later | |
12 | #version. | |
46f18e7b | 13 | |
1322177d LB |
14 | #GCC is distributed in the hope that it will be useful, but WITHOUT |
15 | #ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
16 | #FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
17 | #for more details. | |
46f18e7b RK |
18 | |
19 | #You should have received a copy of the GNU General Public License | |
1322177d LB |
20 | #along with GCC; see the file COPYING. If not, write to the Free |
21 | #Software Foundation, 59 Temple Place - Suite 330, Boston, MA | |
22 | #02111-1307, USA. | |
46f18e7b | 23 | |
34a86c2b NN |
24 | # -------------------------------- |
25 | # Initialization and sanity checks | |
26 | # -------------------------------- | |
27 | ||
8ab705be | 28 | AC_PREREQ(2.59) |
914c5af7 NN |
29 | AC_INIT |
30 | AC_CONFIG_SRCDIR(tree.c) | |
b7cb92ad | 31 | AC_CONFIG_HEADER(auto-host.h:config.in) |
cdcc6a01 | 32 | |
34a86c2b | 33 | # Determine the host, build, and target systems |
914c5af7 NN |
34 | AC_CANONICAL_BUILD |
35 | AC_CANONICAL_HOST | |
36 | AC_CANONICAL_TARGET | |
34a86c2b | 37 | |
caa55b1e NN |
38 | # Determine the noncanonical target name, for directory use. |
39 | _GCC_TOPLEV_NONCANONICAL_TARGET | |
40 | ||
4665e56c NN |
41 | # Determine the target- and build-specific subdirectories |
42 | GCC_TOPLEV_SUBDIRS | |
43 | ||
34a86c2b NN |
44 | # Set program_transform_name |
45 | AC_ARG_PROGRAM | |
46f18e7b | 46 | |
75a39864 JL |
47 | # Check for bogus environment variables. |
48 | # Test if LIBRARY_PATH contains the notation for the current directory | |
49 | # since this would lead to problems installing/building glibc. | |
50 | # LIBRARY_PATH contains the current directory if one of the following | |
51 | # is true: | |
52 | # - one of the terminals (":" and ";") is the first or last sign | |
53 | # - two terminals occur directly after each other | |
54 | # - the path contains an element with a dot in it | |
55 | AC_MSG_CHECKING(LIBRARY_PATH variable) | |
56 | changequote(,)dnl | |
57 | case ${LIBRARY_PATH} in | |
58 | [:\;]* | *[:\;] | *[:\;][:\;]* | *[:\;]. | .[:\;]*| . | *[:\;].[:\;]* ) | |
59 | library_path_setting="contains current directory" | |
60 | ;; | |
61 | *) | |
62 | library_path_setting="ok" | |
63 | ;; | |
64 | esac | |
65 | changequote([,])dnl | |
66 | AC_MSG_RESULT($library_path_setting) | |
67 | if test "$library_path_setting" != "ok"; then | |
68 | AC_MSG_ERROR([ | |
69 | *** LIBRARY_PATH shouldn't contain the current directory when | |
079bd08e | 70 | *** building gcc. Please change the environment variable |
75a39864 JL |
71 | *** and run configure again.]) |
72 | fi | |
73 | ||
74 | # Test if GCC_EXEC_PREFIX contains the notation for the current directory | |
75 | # since this would lead to problems installing/building glibc. | |
76 | # GCC_EXEC_PREFIX contains the current directory if one of the following | |
77 | # is true: | |
78 | # - one of the terminals (":" and ";") is the first or last sign | |
79 | # - two terminals occur directly after each other | |
80 | # - the path contains an element with a dot in it | |
81 | AC_MSG_CHECKING(GCC_EXEC_PREFIX variable) | |
82 | changequote(,)dnl | |
83 | case ${GCC_EXEC_PREFIX} in | |
84 | [:\;]* | *[:\;] | *[:\;][:\;]* | *[:\;]. | .[:\;]*| . | *[:\;].[:\;]* ) | |
85 | gcc_exec_prefix_setting="contains current directory" | |
86 | ;; | |
87 | *) | |
88 | gcc_exec_prefix_setting="ok" | |
89 | ;; | |
90 | esac | |
91 | changequote([,])dnl | |
92 | AC_MSG_RESULT($gcc_exec_prefix_setting) | |
93 | if test "$gcc_exec_prefix_setting" != "ok"; then | |
94 | AC_MSG_ERROR([ | |
95 | *** GCC_EXEC_PREFIX shouldn't contain the current directory when | |
079bd08e | 96 | *** building gcc. Please change the environment variable |
75a39864 JL |
97 | *** and run configure again.]) |
98 | fi | |
99 | ||
34a86c2b NN |
100 | # ----------- |
101 | # Directories | |
102 | # ----------- | |
103 | ||
104 | # Specify the local prefix | |
105 | local_prefix= | |
106 | AC_ARG_WITH(local-prefix, | |
107 | [ --with-local-prefix=DIR specifies directory to put local include], | |
108 | [case "${withval}" in | |
109 | yes) AC_MSG_ERROR(bad value ${withval} given for local include directory prefix) ;; | |
110 | no) ;; | |
111 | *) local_prefix=$with_local_prefix ;; | |
112 | esac]) | |
113 | ||
114 | # Default local prefix if it is empty | |
115 | if test x$local_prefix = x; then | |
116 | local_prefix=/usr/local | |
117 | fi | |
118 | ||
119 | # Don't set gcc_gxx_include_dir to gxx_include_dir since that's only | |
120 | # passed in by the toplevel make and thus we'd get different behavior | |
121 | # depending on where we built the sources. | |
122 | gcc_gxx_include_dir= | |
123 | # Specify the g++ header file directory | |
124 | AC_ARG_WITH(gxx-include-dir, | |
125 | [ --with-gxx-include-dir=DIR | |
126 | specifies directory to put g++ header files], | |
127 | [case "${withval}" in | |
128 | yes) AC_MSG_ERROR(bad value ${withval} given for g++ include directory) ;; | |
129 | no) ;; | |
130 | *) gcc_gxx_include_dir=$with_gxx_include_dir ;; | |
131 | esac]) | |
132 | ||
133 | if test x${gcc_gxx_include_dir} = x; then | |
134 | if test x${enable_version_specific_runtime_libs} = xyes; then | |
135 | gcc_gxx_include_dir='${libsubdir}/include/c++' | |
136 | else | |
137 | topsrcdir=${srcdir}/.. . ${srcdir}/../config.if | |
138 | changequote(<<, >>)dnl | |
139 | gcc_gxx_include_dir="\$(libsubdir)/\$(unlibsubdir)/..\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/[^/]*|/..|g'\`/include/"${libstdcxx_incdir} | |
140 | changequote([, ])dnl | |
141 | fi | |
142 | fi | |
143 | ||
144 | AC_ARG_WITH(cpp_install_dir, | |
145 | [ --with-cpp-install-dir=DIR | |
146 | install the user visible C preprocessor in DIR | |
147 | (relative to PREFIX) as well as PREFIX/bin], | |
148 | [if test x$withval = xyes; then | |
149 | AC_MSG_ERROR([option --with-cpp-install-dir requires an argument]) | |
150 | elif test x$withval != xno; then | |
151 | cpp_install_dir=$withval | |
152 | fi]) | |
153 | ||
51b9ff45 KC |
154 | # We would like to our source tree to be readonly. However when releases or |
155 | # pre-releases are generated, the flex/bison generated files as well as the | |
156 | # various formats of manuals need to be included along with the rest of the | |
157 | # sources. Therefore we have --enable-generated-files-in-srcdir to do | |
158 | # just that. | |
159 | ||
03787dfd KC |
160 | AC_MSG_CHECKING([whether to place generated files in the source directory]) |
161 | dnl generated-files-in-srcdir is disabled by default | |
162 | AC_ARG_ENABLE(generated-files-in-srcdir, | |
163 | [ --enable-generated-files-in-srcdir | |
164 | put copies of generated files in source dir | |
165 | intended for creating source tarballs for users | |
166 | without texinfo bison or flex.], | |
167 | generated_files_in_srcdir=$enableval, | |
168 | generated_files_in_srcdir=no) | |
169 | ||
170 | AC_MSG_RESULT($generated_files_in_srcdir) | |
171 | ||
172 | if test "$generated_files_in_srcdir" = "yes"; then | |
173 | GENINSRC='' | |
03787dfd KC |
174 | else |
175 | GENINSRC='#' | |
03787dfd KC |
176 | fi |
177 | AC_SUBST(GENINSRC) | |
51b9ff45 | 178 | |
34a86c2b NN |
179 | # ------------------- |
180 | # Find default linker | |
181 | # ------------------- | |
46f18e7b RK |
182 | |
183 | # With GNU ld | |
184 | AC_ARG_WITH(gnu-ld, | |
185 | [ --with-gnu-ld arrange to work with GNU ld.], | |
df6faf79 JW |
186 | gnu_ld_flag="$with_gnu_ld", |
187 | gnu_ld_flag=no) | |
46f18e7b | 188 | |
ab339d62 AO |
189 | # With pre-defined ld |
190 | AC_ARG_WITH(ld, | |
e8bec136 | 191 | [ --with-ld arrange to use the specified ld (full pathname)], |
3ccc3a56 AO |
192 | DEFAULT_LINKER="$with_ld") |
193 | if test x"${DEFAULT_LINKER+set}" = x"set"; then | |
194 | if test ! -x "$DEFAULT_LINKER"; then | |
195 | AC_MSG_WARN([cannot execute: $DEFAULT_LINKER: check --with-ld or env. var. DEFAULT_LINKER]) | |
e154a394 | 196 | elif $DEFAULT_LINKER -v < /dev/null 2>&1 | grep GNU > /dev/null; then |
ab339d62 AO |
197 | gnu_ld_flag=yes |
198 | fi | |
119d24d1 KG |
199 | AC_DEFINE_UNQUOTED(DEFAULT_LINKER,"$DEFAULT_LINKER", |
200 | [Define to enable the use of a default linker.]) | |
ab339d62 AO |
201 | fi |
202 | ||
34a86c2b NN |
203 | AC_MSG_CHECKING([whether a default linker was specified]) |
204 | if test x"${DEFAULT_LINKER+set}" = x"set"; then | |
205 | if test x"$gnu_ld_flag" = x"no"; then | |
206 | AC_MSG_RESULT([yes ($DEFAULT_LINKER)]) | |
207 | else | |
208 | AC_MSG_RESULT([yes ($DEFAULT_LINKER - GNU ld)]) | |
209 | fi | |
210 | else | |
211 | AC_MSG_RESULT(no) | |
212 | fi | |
213 | ||
214 | # ---------------------- | |
215 | # Find default assembler | |
216 | # ---------------------- | |
217 | ||
46f18e7b RK |
218 | # With GNU as |
219 | AC_ARG_WITH(gnu-as, | |
e8bec136 | 220 | [ --with-gnu-as arrange to work with GNU as], |
df6faf79 JW |
221 | gas_flag="$with_gnu_as", |
222 | gas_flag=no) | |
46f18e7b | 223 | |
ab339d62 | 224 | AC_ARG_WITH(as, |
e8bec136 | 225 | [ --with-as arrange to use the specified as (full pathname)], |
3ccc3a56 AO |
226 | DEFAULT_ASSEMBLER="$with_as") |
227 | if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then | |
228 | if test ! -x "$DEFAULT_ASSEMBLER"; then | |
229 | AC_MSG_WARN([cannot execute: $DEFAULT_ASSEMBLER: check --with-as or env. var. DEFAULT_ASSEMBLER]) | |
e154a394 | 230 | elif $DEFAULT_ASSEMBLER -v < /dev/null 2>&1 | grep GNU > /dev/null; then |
ab339d62 AO |
231 | gas_flag=yes |
232 | fi | |
119d24d1 KG |
233 | AC_DEFINE_UNQUOTED(DEFAULT_ASSEMBLER,"$DEFAULT_ASSEMBLER", |
234 | [Define to enable the use of a default assembler.]) | |
3ccc3a56 | 235 | fi |
ab339d62 | 236 | |
34a86c2b NN |
237 | AC_MSG_CHECKING([whether a default assembler was specified]) |
238 | if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then | |
239 | if test x"$gas_flag" = x"no"; then | |
240 | AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER)]) | |
4e88d51b | 241 | else |
34a86c2b | 242 | AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER - GNU as)]) |
4e88d51b | 243 | fi |
34a86c2b NN |
244 | else |
245 | AC_MSG_RESULT(no) | |
4e88d51b | 246 | fi |
46f18e7b | 247 | |
34a86c2b NN |
248 | # --------------- |
249 | # Find C compiler | |
250 | # --------------- | |
13c22933 | 251 | |
426ca3ca RO |
252 | # If a non-executable a.out is present (e.g. created by GNU as above even if |
253 | # invoked with -v only), the IRIX 6 native ld just overwrites the existing | |
254 | # file, even when creating an executable, so an execution test fails. | |
255 | # Remove possible default executable files to avoid this. | |
256 | # | |
257 | # FIXME: This really belongs into AC_PROG_CC and can be removed once | |
258 | # Autoconf includes it. | |
259 | rm -f a.out a.exe b.out | |
260 | ||
414d23ae HPN |
261 | # Find the native compiler |
262 | AC_PROG_CC | |
263 | AC_PROG_CC_C_O | |
264 | # autoconf is lame and doesn't give us any substitution variable for this. | |
265 | if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then | |
266 | NO_MINUS_C_MINUS_O=yes | |
267 | else | |
268 | OUTPUT_OPTION='-o $@' | |
269 | fi | |
270 | AC_SUBST(NO_MINUS_C_MINUS_O) | |
271 | AC_SUBST(OUTPUT_OPTION) | |
272 | ||
73458fb7 NN |
273 | # ------------------------- |
274 | # Check C compiler features | |
275 | # ------------------------- | |
276 | ||
414d23ae HPN |
277 | AC_CACHE_CHECK(whether ${CC-cc} accepts -Wno-long-long, |
278 | ac_cv_prog_cc_no_long_long, | |
279 | [save_CFLAGS="$CFLAGS" | |
280 | CFLAGS="-Wno-long-long" | |
281 | AC_TRY_COMPILE(,,ac_cv_prog_cc_no_long_long=yes, | |
282 | ac_cv_prog_cc_no_long_long=no) | |
283 | CFLAGS="$save_CFLAGS"]) | |
284 | ||
34a86c2b NN |
285 | AC_PROG_CPP |
286 | AC_C_INLINE | |
34a86c2b | 287 | |
34a86c2b NN |
288 | gcc_AC_C_LONG_LONG |
289 | gcc_AC_C__BOOL | |
290 | ||
291 | # sizeof(char) is 1 by definition. | |
75b6f3fd | 292 | AC_COMPILE_CHECK_SIZEOF(void *) |
34a86c2b NN |
293 | AC_COMPILE_CHECK_SIZEOF(short) |
294 | AC_COMPILE_CHECK_SIZEOF(int) | |
295 | AC_COMPILE_CHECK_SIZEOF(long) | |
296 | if test $ac_cv_c_long_long = yes; then | |
297 | AC_COMPILE_CHECK_SIZEOF(long long) | |
298 | fi | |
299 | if test $ac_cv_c___int64 = yes; then | |
300 | AC_COMPILE_CHECK_SIZEOF(__int64) | |
301 | fi | |
302 | ||
34a86c2b NN |
303 | # --------------------- |
304 | # Warnings and checking | |
305 | # --------------------- | |
306 | ||
414d23ae | 307 | strict1_warn= |
f73ccc50 | 308 | if test $ac_cv_prog_cc_no_long_long = yes ; then |
414d23ae HPN |
309 | strict1_warn="-pedantic -Wno-long-long" |
310 | fi | |
311 | AC_SUBST(strict1_warn) | |
312 | ||
414d23ae HPN |
313 | # If the native compiler is GCC, we can enable warnings even in stage1. |
314 | # That's useful for people building cross-compilers, or just running a | |
315 | # quick `make'. | |
316 | warn_cflags= | |
317 | if test "x$GCC" = "xyes"; then | |
318 | warn_cflags='$(GCC_WARN_CFLAGS)' | |
319 | fi | |
320 | AC_SUBST(warn_cflags) | |
321 | ||
dd859b8a KG |
322 | # Enable -Werror in bootstrap stage2 and later. |
323 | # Change the default to "no" on release branches. | |
324 | AC_ARG_ENABLE(werror, | |
325 | [ --enable-werror enable -Werror in bootstrap stage2 and later], [], | |
326 | [enable_werror=yes]) | |
327 | if test x$enable_werror = xyes ; then | |
328 | WERROR=-Werror | |
329 | fi | |
330 | AC_SUBST(WERROR) | |
331 | ||
a494747c MM |
332 | # Enable expensive internal checks |
333 | AC_ARG_ENABLE(checking, | |
f4524c9e ZW |
334 | [ --enable-checking[=LIST] |
335 | enable expensive run-time checks. With LIST, | |
336 | enable only specific categories of checks. | |
5dfa45d0 | 337 | Categories are: misc,tree,rtl,rtlflag,gc,gcac,fold; |
4c76f856 | 338 | default is misc,tree,gc,rtlflag], |
119d24d1 KG |
339 | [ac_checking= |
340 | ac_tree_checking= | |
341 | ac_rtl_checking= | |
4c76f856 | 342 | ac_rtlflag_checking= |
119d24d1 KG |
343 | ac_gc_checking= |
344 | ac_gc_always_collect= | |
5dfa45d0 | 345 | ac_fold_checking= |
119d24d1 | 346 | case "${enableval}" in |
4c76f856 JJ |
347 | yes) ac_checking=1 ; ac_tree_checking=1 ; ac_gc_checking=1 ; |
348 | ac_rtlflag_checking=1 ;; | |
4e88d51b | 349 | no) ;; |
59f406b7 | 350 | *) IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS," |
f4524c9e ZW |
351 | set fnord $enableval; shift |
352 | IFS="$ac_save_IFS" | |
c62e45ad KG |
353 | for check |
354 | do | |
f4524c9e | 355 | case $check in |
119d24d1 KG |
356 | misc) ac_checking=1 ;; |
357 | tree) ac_tree_checking=1 ;; | |
4c76f856 | 358 | rtlflag) ac_rtlflag_checking=1 ;; |
119d24d1 KG |
359 | rtl) ac_rtl_checking=1 ;; |
360 | gc) ac_gc_checking=1 ;; | |
361 | gcac) ac_gc_always_collect=1 ;; | |
5dfa45d0 | 362 | fold) ac_fold_checking=1 ;; |
414d23ae | 363 | valgrind) ac_checking_valgrind=1 ;; |
f4524c9e ZW |
364 | *) AC_MSG_ERROR(unknown check category $check) ;; |
365 | esac | |
366 | done | |
367 | ;; | |
119d24d1 | 368 | esac |
51d0e20c AJ |
369 | ], |
370 | # Enable some checks by default for development versions of GCC | |
4c76f856 | 371 | [ac_checking=1; ac_tree_checking=1; ac_gc_checking=1; ac_rtlflag_checking=1;]) |
204250d2 | 372 | nocommon_flag="" |
119d24d1 KG |
373 | if test x$ac_checking != x ; then |
374 | AC_DEFINE(ENABLE_CHECKING, 1, | |
375 | [Define if you want more run-time sanity checks. This one gets a grab | |
376 | bag of miscellaneous but relatively cheap checks.]) | |
204250d2 | 377 | nocommon_flag=-fno-common |
119d24d1 | 378 | fi |
204250d2 | 379 | AC_SUBST(nocommon_flag) |
119d24d1 KG |
380 | if test x$ac_tree_checking != x ; then |
381 | AC_DEFINE(ENABLE_TREE_CHECKING, 1, | |
382 | [Define if you want all operations on trees (the basic data | |
383 | structure of the front ends) to be checked for dynamic type safety | |
384 | at runtime. This is moderately expensive.]) | |
385 | fi | |
386 | if test x$ac_rtl_checking != x ; then | |
387 | AC_DEFINE(ENABLE_RTL_CHECKING, 1, | |
388 | [Define if you want all operations on RTL (the basic data structure | |
389 | of the optimizer and back end) to be checked for dynamic type safety | |
390 | at runtime. This is quite expensive.]) | |
391 | fi | |
4c76f856 JJ |
392 | if test x$ac_rtlflag_checking != x ; then |
393 | AC_DEFINE(ENABLE_RTL_FLAG_CHECKING, 1, | |
394 | [Define if you want RTL flag accesses to be checked against the RTL | |
395 | codes that are supported for each access macro. This is relatively | |
396 | cheap.]) | |
397 | fi | |
119d24d1 KG |
398 | if test x$ac_gc_checking != x ; then |
399 | AC_DEFINE(ENABLE_GC_CHECKING, 1, | |
400 | [Define if you want the garbage collector to do object poisoning and | |
401 | other memory allocation checks. This is quite expensive.]) | |
402 | fi | |
403 | if test x$ac_gc_always_collect != x ; then | |
404 | AC_DEFINE(ENABLE_GC_ALWAYS_COLLECT, 1, | |
405 | [Define if you want the garbage collector to operate in maximally | |
406 | paranoid mode, validating the entire heap and collecting garbage at | |
407 | every opportunity. This is extremely expensive.]) | |
408 | fi | |
5dfa45d0 JJ |
409 | if test x$ac_fold_checking != x ; then |
410 | AC_DEFINE(ENABLE_FOLD_CHECKING, 1, | |
411 | [Define if you want fold checked that it never destructs its argument. | |
412 | This is quite expensive.]) | |
413 | fi | |
414d23ae HPN |
414 | valgrind_path_defines= |
415 | valgrind_command= | |
6938ec6c NN |
416 | |
417 | dnl # This check AC_REQUIREs various stuff, so it *must not* be inside | |
418 | dnl # an if statement. This was the source of very frustrating bugs | |
419 | dnl # in converting to autoconf 2.5x! | |
420 | AC_CHECK_HEADER(valgrind.h, have_valgrind_h=yes, have_valgrind_h=no) | |
421 | ||
414d23ae HPN |
422 | if test x$ac_checking_valgrind != x ; then |
423 | # It is certainly possible that there's valgrind but no valgrind.h. | |
424 | # GCC relies on making annotations so we must have both. | |
a207b594 HPN |
425 | AC_MSG_CHECKING(for VALGRIND_DISCARD in <valgrind/memcheck.h>) |
426 | AC_TRY_CPP( | |
427 | [#include <valgrind/memcheck.h> | |
428 | #ifndef VALGRIND_DISCARD | |
429 | #error VALGRIND_DISCARD not defined | |
430 | #endif], | |
431 | [gcc_cv_header_valgrind_memcheck_h=yes], | |
432 | [gcc_cv_header_valgrind_memcheck_h=no]) | |
433 | AC_MSG_RESULT($gcc_cv_header_valgrind_memcheck_h) | |
14011ca4 AJ |
434 | AC_MSG_CHECKING(for VALGRIND_DISCARD in <memcheck.h>) |
435 | AC_TRY_CPP( | |
436 | [#include <memcheck.h> | |
437 | #ifndef VALGRIND_DISCARD | |
438 | #error VALGRIND_DISCARD not defined | |
439 | #endif], | |
440 | [gcc_cv_header_memcheck_h=yes], | |
441 | gcc_cv_header_memcheck_h=no) | |
442 | AC_MSG_RESULT($gcc_cv_header_memcheck_h) | |
414d23ae HPN |
443 | AM_PATH_PROG_WITH_TEST(valgrind_path, valgrind, |
444 | [$ac_dir/$ac_word --version | grep valgrind- >/dev/null 2>&1]) | |
a207b594 HPN |
445 | if test "x$valgrind_path" = "x" \ |
446 | || (test $have_valgrind_h = no \ | |
447 | && test $gcc_cv_header_memcheck_h = no \ | |
448 | && test $gcc_cv_header_valgrind_memcheck_h = no); then | |
449 | AC_MSG_ERROR([*** Can't find both valgrind and valgrind/memcheck.h, memcheck.h or valgrind.h]) | |
414d23ae HPN |
450 | fi |
451 | valgrind_path_defines=-DVALGRIND_PATH='\"'$valgrind_path'\"' | |
452 | valgrind_command="$valgrind_path -q" | |
453 | AC_DEFINE(ENABLE_VALGRIND_CHECKING, 1, | |
454 | [Define if you want to run subprograms and generated programs | |
455 | through valgrind (a memory checker). This is extremely expensive.]) | |
a207b594 HPN |
456 | if test $gcc_cv_header_valgrind_memcheck_h = yes; then |
457 | AC_DEFINE(HAVE_VALGRIND_MEMCHECK_H, 1, | |
458 | [Define if valgrind's valgrind/memcheck.h header is installed.]) | |
459 | fi | |
14011ca4 AJ |
460 | if test $gcc_cv_header_memcheck_h = yes; then |
461 | AC_DEFINE(HAVE_MEMCHECK_H, 1, | |
462 | [Define if valgrind's memcheck.h header is installed.]) | |
463 | fi | |
414d23ae HPN |
464 | fi |
465 | AC_SUBST(valgrind_path_defines) | |
466 | AC_SUBST(valgrind_command) | |
51d0e20c | 467 | |
22aa533e NS |
468 | # Enable code coverage collection |
469 | AC_ARG_ENABLE(coverage, | |
470 | [ --enable-coverage[=LEVEL] | |
471 | enable compiler\'s code coverage collection. | |
472 | Use to measure compiler performance and locate | |
8601608f | 473 | unused parts of the compiler. With LEVEL, specify |
22aa533e NS |
474 | optimization. Values are opt, noopt, |
475 | default is noopt], | |
476 | [case "${enableval}" in | |
477 | yes|noopt) | |
e61a2eb7 | 478 | coverage_flags="-fprofile-arcs -ftest-coverage -frandom-seed=\$@ -O0" |
22aa533e NS |
479 | ;; |
480 | opt) | |
e61a2eb7 | 481 | coverage_flags="-fprofile-arcs -ftest-coverage -frandom-seed=\$@ -O2" |
22aa533e NS |
482 | ;; |
483 | *) | |
484 | AC_MSG_ERROR(unknown coverage setting $enableval) | |
485 | ;; | |
486 | esac], | |
2043c38e | 487 | [coverage_flags=""]) |
22aa533e NS |
488 | AC_SUBST(coverage_flags) |
489 | ||
439a7e54 DN |
490 | AC_ARG_ENABLE(gather-detailed-mem-stats, |
491 | [ --enable-gather-detailed-mem-stats enable detailed memory allocation stats gathering], [], | |
492 | [enable_gather_detailed_mem_stats=no]) | |
493 | if test x$enable_gather_detailed_mem_stats = xyes ; then | |
494 | AC_DEFINE(GATHER_STATISTICS, 1, | |
495 | [Define to enable detailed memory allocation stats gathering.]) | |
496 | fi | |
497 | ||
73458fb7 NN |
498 | # ------------------------------- |
499 | # Miscenalleous configure options | |
500 | # ------------------------------- | |
34a86c2b NN |
501 | |
502 | # With stabs | |
503 | AC_ARG_WITH(stabs, | |
504 | [ --with-stabs arrange to use stabs instead of host debug format], | |
505 | stabs="$with_stabs", | |
506 | stabs=no) | |
507 | ||
34a86c2b NN |
508 | # Determine whether or not multilibs are enabled. |
509 | AC_ARG_ENABLE(multilib, | |
510 | [ --enable-multilib enable library support for multiple ABIs], | |
511 | [], [enable_multilib=yes]) | |
512 | AC_SUBST(enable_multilib) | |
3ecc3258 | 513 | |
4bafaa6f L |
514 | # Enable __cxa_atexit for C++. |
515 | AC_ARG_ENABLE(__cxa_atexit, | |
516 | [ --enable-__cxa_atexit enable __cxa_atexit for C++], | |
517 | [], []) | |
2121a768 | 518 | |
0bbb1697 RK |
519 | # Enable threads |
520 | # Pass with no value to take the default | |
521 | # Pass with a value to specify a thread package | |
522 | AC_ARG_ENABLE(threads, | |
e8bec136 RO |
523 | [ --enable-threads enable thread usage for target GCC |
524 | --enable-threads=LIB use LIB thread package for target GCC],, | |
0bbb1697 | 525 | enable_threads='') |
c2e494a8 | 526 | # Save in case it gets overwritten in config.gcc |
e445171e | 527 | enable_threads_flag=$enable_threads |
0bbb1697 | 528 | |
d8bb17c8 OP |
529 | AC_ARG_ENABLE(objc-gc, |
530 | [ --enable-objc-gc enable the use of Boehm's garbage collector with | |
e8bec136 | 531 | the GNU Objective-C runtime], |
2618c083 | 532 | if test x$enable_objc_gc = xno; then |
d8bb17c8 OP |
533 | objc_boehm_gc='' |
534 | else | |
535 | objc_boehm_gc=1 | |
536 | fi, | |
537 | objc_boehm_gc='') | |
538 | ||
90e6a802 | 539 | AC_ARG_WITH(dwarf2, |
e8bec136 | 540 | [ --with-dwarf2 force the default debug format to be DWARF 2], |
90e6a802 RL |
541 | dwarf2="$with_dwarf2", |
542 | dwarf2=no) | |
543 | ||
50503ac8 | 544 | AC_ARG_ENABLE(shared, |
e8bec136 | 545 | [ --disable-shared don't provide a shared libgcc], |
c785e0fa AO |
546 | [ |
547 | case $enable_shared in | |
548 | yes | no) ;; | |
549 | *) | |
550 | enable_shared=no | |
551 | IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:," | |
552 | for pkg in $enableval; do | |
553 | if test "X$pkg" = "Xgcc" || test "X$pkg" = "Xlibgcc"; then | |
554 | enable_shared=yes | |
555 | fi | |
556 | done | |
557 | IFS="$ac_save_ifs" | |
558 | ;; | |
559 | esac | |
560 | ], [enable_shared=yes]) | |
50503ac8 RH |
561 | AC_SUBST(enable_shared) |
562 | ||
4977bab6 ZW |
563 | AC_ARG_WITH(sysroot, |
564 | [ --with-sysroot[=DIR] Search for usr/lib, usr/include, et al, within DIR.], | |
565 | [ | |
566 | case ${with_sysroot} in | |
caa55b1e | 567 | yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_noncanonical}/sys-root' ;; |
4977bab6 ZW |
568 | *) TARGET_SYSTEM_ROOT=$with_sysroot ;; |
569 | esac | |
570 | ||
571 | TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"' | |
572 | CROSS_SYSTEM_HEADER_DIR='$(TARGET_SYSTEM_ROOT)$(NATIVE_SYSTEM_HEADER_DIR)' | |
047d636f DJ |
573 | |
574 | if test "x$exec_prefix" = xNONE; then | |
575 | if test "x$prefix" = xNONE; then | |
576 | test_prefix=/usr/local | |
577 | else | |
578 | test_prefix=$prefix | |
579 | fi | |
580 | else | |
581 | test_prefix=$exec_prefix | |
582 | fi | |
583 | case ${TARGET_SYSTEM_ROOT} in | |
91710e62 AO |
584 | "${test_prefix}"|"${test_prefix}/"*|\ |
585 | '${exec_prefix}'|'${exec_prefix}/'*) | |
047d636f DJ |
586 | t="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE" |
587 | TARGET_SYSTEM_ROOT_DEFINE="$t" | |
588 | ;; | |
589 | esac | |
4977bab6 ZW |
590 | ], [ |
591 | TARGET_SYSTEM_ROOT= | |
db720d9a | 592 | TARGET_SYSTEM_ROOT_DEFINE= |
4977bab6 ZW |
593 | CROSS_SYSTEM_HEADER_DIR='$(gcc_tooldir)/sys-include' |
594 | ]) | |
595 | AC_SUBST(TARGET_SYSTEM_ROOT) | |
596 | AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE) | |
597 | AC_SUBST(CROSS_SYSTEM_HEADER_DIR) | |
598 | ||
d1bd0ded | 599 | # Build with intermodule optimisations |
d1bd0ded GK |
600 | AC_ARG_ENABLE(intermodule, |
601 | [ --enable-intermodule build the compiler in one step], | |
0c46c5c7 KC |
602 | [case ${enable_intermodule} in |
603 | yes) onestep="-onestep";; | |
604 | *) onestep="";; | |
605 | esac], | |
606 | [onestep=""]) | |
d1bd0ded GK |
607 | AC_SUBST(onestep) |
608 | ||
e4c9c075 PB |
609 | # Sanity check enable_languages in case someone does not run the toplevel |
610 | # configure # script. | |
611 | AC_ARG_ENABLE(languages, | |
612 | [ --enable-languages=LIST specify which front-ends to build], | |
613 | [case ,${enable_languages}, in | |
614 | ,,|,yes,) | |
615 | # go safe -- we cannot be much sure without the toplevel | |
616 | # configure's | |
617 | # analysis of which target libs are present and usable | |
618 | enable_languages=c | |
619 | ;; | |
620 | *,all,*) | |
621 | AC_MSG_ERROR([only the toplevel supports --enable-languages=all]) | |
622 | ;; | |
623 | *,c,*) | |
624 | ;; | |
625 | *) | |
626 | enable_languages=c,${enable_languages} | |
627 | ;; | |
628 | esac], | |
629 | [enable_languages=c]) | |
630 | ||
631 | subdirs= | |
632 | for lang in ${srcdir}/*/config-lang.in | |
633 | do | |
634 | case $lang in | |
635 | # The odd quoting in the next line works around | |
636 | # an apparent bug in bash 1.12 on linux. | |
637 | changequote(,)dnl | |
638 | ${srcdir}/[*]/config-lang.in) ;; | |
639 | *) | |
640 | lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang` | |
641 | if test "x$lang_alias" = x | |
642 | then | |
643 | echo "$lang doesn't set \$language." 1>&2 | |
644 | exit 1 | |
645 | fi | |
646 | case ",$enable_languages," in | |
647 | *,$lang_alias,*) | |
648 | subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`" ;; | |
649 | esac | |
650 | ;; | |
651 | changequote([,])dnl | |
652 | esac | |
653 | done | |
654 | ||
655 | ||
73458fb7 NN |
656 | # ------------------------- |
657 | # Checks for other programs | |
658 | # ------------------------- | |
61842080 | 659 | |
e9a25f70 JL |
660 | AC_PROG_MAKE_SET |
661 | ||
46f18e7b RK |
662 | # Find some useful tools |
663 | AC_PROG_AWK | |
2c4902b9 NN |
664 | # We need awk to run opts.sh (to create options.c and options.h). |
665 | # Bail out if it's missing. | |
666 | case ${AWK} in | |
667 | "") AC_MSG_ERROR([can't build without awk, bailing out]) ;; | |
668 | esac | |
669 | ||
99e757d5 KG |
670 | gcc_AC_PROG_LN |
671 | gcc_AC_PROG_LN_S | |
46f18e7b | 672 | AC_PROG_RANLIB |
99e757d5 | 673 | gcc_AC_PROG_INSTALL |
46f18e7b | 674 | |
3a000df0 KC |
675 | # See if cmp has --ignore-initial. |
676 | gcc_AC_PROG_CMP_IGNORE_INITIAL | |
677 | ||
955be633 JM |
678 | # See if we have the mktemp command. |
679 | AC_CHECK_PROG(have_mktemp_command, mktemp, yes, no) | |
680 | ||
09fa0705 ZW |
681 | # Do we have a single-tree copy of texinfo? |
682 | if test -f $srcdir/../texinfo/Makefile.in; then | |
683 | MAKEINFO='$(objdir)/../texinfo/makeinfo/makeinfo' | |
684 | gcc_cv_prog_makeinfo_modern=yes | |
685 | AC_MSG_RESULT([Using makeinfo from the unified source tree.]) | |
686 | else | |
687 | # See if makeinfo has been installed and is modern enough | |
688 | # that we can use it. | |
689 | gcc_AC_CHECK_PROG_VER(MAKEINFO, makeinfo, --version, | |
690 | [GNU texinfo.* \([0-9][0-9.]*\)], | |
a38f87a9 | 691 | [4.[2-9]*]) |
09fa0705 ZW |
692 | fi |
693 | ||
694 | if test $gcc_cv_prog_makeinfo_modern = no; then | |
695 | AC_MSG_WARN([ | |
696 | *** Makeinfo is missing or too old. | |
17db6582 | 697 | *** Info documentation will not be built.]) |
09fa0705 | 698 | BUILD_INFO= |
09fa0705 ZW |
699 | else |
700 | BUILD_INFO=info AC_SUBST(BUILD_INFO) | |
09fa0705 ZW |
701 | fi |
702 | ||
3f896fc2 JM |
703 | # Is pod2man recent enough to regenerate manpages? |
704 | AC_MSG_CHECKING([for recent Pod::Man]) | |
7be33370 | 705 | if (perl -e 'use 1.10 Pod::Man') >/dev/null 2>&1; then |
fd939e46 JM |
706 | AC_MSG_RESULT(yes) |
707 | GENERATED_MANPAGES=generated-manpages AC_SUBST(GENERATED_MANPAGES) | |
708 | else | |
709 | AC_MSG_RESULT(no) | |
710 | GENERATED_MANPAGES= | |
711 | fi | |
712 | ||
1e608388 ZW |
713 | # How about lex? |
714 | dnl Don't use AC_PROG_LEX; we insist on flex. | |
715 | dnl LEXLIB is not useful in gcc. | |
716 | if test -f $srcdir/../flex/skel.c; then | |
717 | FLEX='$(objdir)/../flex/flex' | |
718 | else | |
9118405f | 719 | AC_CHECK_PROG(FLEX, flex, flex, ${CONFIG_SHELL-/bin/sh} ${srcdir}/../missing flex) |
1e608388 ZW |
720 | fi |
721 | ||
722 | # Bison? | |
723 | # The -L switch is so bison can find its skeleton file. | |
724 | if test -f $srcdir/../bison/bison.simple; then | |
725 | BISON='$(objdir)/../bison/bison -L $(srcdir)/../bison/' | |
726 | else | |
9118405f | 727 | AC_CHECK_PROG(BISON, bison, bison, ${CONFIG_SHELL-/bin/sh} ${srcdir}/../missing bison) |
1e608388 ZW |
728 | fi |
729 | ||
73458fb7 NN |
730 | # -------------------- |
731 | # Checks for C headers | |
732 | # -------------------- | |
733 | ||
734 | AC_MSG_CHECKING(for GNU C library) | |
735 | AC_CACHE_VAL(gcc_cv_glibc, | |
736 | [AC_TRY_COMPILE( | |
737 | [#include <features.h>],[ | |
738 | #if ! (defined __GLIBC__ || defined __GNU_LIBRARY__) | |
739 | #error Not a GNU C library system | |
740 | #endif], | |
741 | [gcc_cv_glibc=yes], | |
742 | gcc_cv_glibc=no)]) | |
743 | AC_MSG_RESULT($gcc_cv_glibc) | |
744 | if test $gcc_cv_glibc = yes; then | |
745 | AC_DEFINE(_GNU_SOURCE, 1, [Always define this when using the GNU C Library]) | |
746 | fi | |
747 | ||
ca9bc441 NN |
748 | # Need to reject headers which give warnings, so that the -Werror bootstrap |
749 | # works later. *sigh* This needs to come before all header checks. | |
750 | AC_PROG_CPP_WERROR | |
751 | ||
73458fb7 NN |
752 | AC_HEADER_STDC |
753 | AC_HEADER_TIME | |
754 | gcc_AC_HEADER_STDBOOL | |
755 | gcc_AC_HEADER_STRING | |
756 | AC_HEADER_SYS_WAIT | |
757 | AC_CHECK_HEADERS(limits.h stddef.h string.h strings.h stdlib.h time.h \ | |
1072ec3f | 758 | fcntl.h unistd.h sys/file.h sys/time.h sys/mman.h \ |
73458fb7 | 759 | sys/resource.h sys/param.h sys/times.h sys/stat.h \ |
56694dd9 | 760 | direct.h malloc.h langinfo.h ldfcn.h locale.h wchar.h) |
73458fb7 NN |
761 | |
762 | # Check for thread headers. | |
763 | AC_CHECK_HEADER(thread.h, [have_thread_h=yes], [have_thread_h=]) | |
764 | AC_CHECK_HEADER(pthread.h, [have_pthread_h=yes], [have_pthread_h=]) | |
765 | ||
766 | # These tests can't be done till we know if we have limits.h. | |
767 | gcc_AC_C_CHAR_BIT | |
768 | AC_C_BIGENDIAN_CROSS | |
73458fb7 NN |
769 | |
770 | # -------- | |
771 | # UNSORTED | |
772 | # -------- | |
773 | ||
774 | # Stage specific cflags for build. | |
775 | stage1_cflags= | |
776 | case $build in | |
777 | vax-*-*) | |
778 | if test x$GCC = xyes | |
779 | then | |
780 | stage1_cflags="-Wa,-J" | |
781 | else | |
782 | stage1_cflags="-J" | |
783 | fi | |
784 | ;; | |
785 | powerpc-*-darwin*) | |
786 | # The spiffy cpp-precomp chokes on some legitimate constructs in GCC | |
787 | # sources; use -no-cpp-precomp to get to GNU cpp. | |
788 | # Apple's GCC has bugs in designated initializer handling, so disable | |
789 | # that too. | |
790 | stage1_cflags="-no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0" | |
791 | ;; | |
792 | esac | |
793 | AC_SUBST(stage1_cflags) | |
794 | ||
4e70264f ZW |
795 | # These libraries may be used by collect2. |
796 | # We may need a special search path to get them linked. | |
797 | AC_CACHE_CHECK(for collect2 libraries, gcc_cv_collect2_libs, | |
798 | [save_LIBS="$LIBS" | |
7f2749d4 | 799 | for libs in '' -lld -lmld \ |
4e70264f ZW |
800 | '-L/usr/lib/cmplrs/cc2.11 -lmld' \ |
801 | '-L/usr/lib/cmplrs/cc3.11 -lmld' | |
802 | do | |
803 | LIBS="$libs" | |
804 | AC_TRY_LINK_FUNC(ldopen, | |
805 | [gcc_cv_collect2_libs="$libs"; break]) | |
806 | done | |
807 | LIBS="$save_LIBS" | |
808 | test -z "$gcc_cv_collect2_libs" && gcc_cv_collect2_libs='none required']) | |
809 | case $gcc_cv_collect2_libs in | |
810 | "none required") ;; | |
811 | *) COLLECT2_LIBS=$gcc_cv_collect2_libs ;; | |
812 | esac | |
813 | AC_SUBST(COLLECT2_LIBS) | |
814 | ||
7f2749d4 RK |
815 | # When building Ada code on Alpha, we need exc_resume which is usually in |
816 | # -lexc. So test for it. | |
817 | save_LIBS="$LIBS" | |
818 | LIBS= | |
819 | AC_SEARCH_LIBS(exc_resume, exc) | |
820 | GNAT_LIBEXC="$LIBS" | |
821 | LIBS="$save_LIBS" | |
822 | AC_SUBST(GNAT_LIBEXC) | |
823 | ||
62c9aa5f ZW |
824 | # Some systems put ldexp and frexp in libm instead of libc; assume |
825 | # they're both in the same place. jcf-dump needs them. | |
826 | save_LIBS="$LIBS" | |
827 | LIBS= | |
828 | AC_SEARCH_LIBS(ldexp, m) | |
829 | LDEXP_LIB="$LIBS" | |
830 | LIBS="$save_LIBS" | |
831 | AC_SUBST(LDEXP_LIB) | |
832 | ||
7636d567 JW |
833 | # Use <inttypes.h> only if it exists, |
834 | # doesn't clash with <sys/types.h>, and declares intmax_t. | |
835 | AC_MSG_CHECKING(for inttypes.h) | |
836 | AC_CACHE_VAL(gcc_cv_header_inttypes_h, | |
837 | [AC_TRY_COMPILE( | |
838 | [#include <sys/types.h> | |
839 | #include <inttypes.h>], | |
840 | [intmax_t i = -1;], | |
9da0e39b | 841 | [gcc_cv_header_inttypes_h=yes], |
7636d567 JW |
842 | gcc_cv_header_inttypes_h=no)]) |
843 | AC_MSG_RESULT($gcc_cv_header_inttypes_h) | |
9da0e39b | 844 | if test $gcc_cv_header_inttypes_h = yes; then |
119d24d1 KG |
845 | AC_DEFINE(HAVE_INTTYPES_H, 1, |
846 | [Define if you have a working <inttypes.h> header file.]) | |
9da0e39b | 847 | fi |
cdcc6a01 | 848 | |
9612ab65 ZW |
849 | dnl Disabled until we have a complete test for buggy enum bitfields. |
850 | dnl gcc_AC_C_ENUM_BF_UNSIGNED | |
c149cc37 | 851 | |
6af8c740 KG |
852 | AC_CHECK_FUNCS(times clock dup2 kill getrlimit setrlimit atoll atoq \ |
853 | sysconf strsignal putc_unlocked fputc_unlocked fputs_unlocked \ | |
4e87a651 | 854 | fwrite_unlocked fprintf_unlocked getrusage nl_langinfo \ |
56694dd9 ZW |
855 | scandir alphasort gettimeofday mbstowcs wcswidth mmap mincore \ |
856 | setlocale) | |
a81fb89e | 857 | |
39f6c4c8 KW |
858 | if test x$ac_cv_func_mbstowcs = xyes; then |
859 | AC_CACHE_CHECK(whether mbstowcs works, gcc_cv_func_mbstowcs_works, | |
860 | [ AC_TRY_RUN([#include <stdlib.h> | |
861 | int main() | |
862 | { | |
863 | mbstowcs(0, "", 0); | |
864 | return 0; | |
865 | }], | |
866 | gcc_cv_func_mbstowcs_works=yes, | |
867 | gcc_cv_func_mbstowcs_works=no, | |
868 | gcc_cv_func_mbstowcs_works=yes)]) | |
869 | if test x$gcc_cv_func_mbstowcs_works = xyes; then | |
870 | AC_DEFINE(HAVE_WORKING_MBSTOWCS, 1, | |
871 | [Define this macro if mbstowcs does not crash when its | |
872 | first argument is NULL.]) | |
873 | fi | |
874 | fi | |
875 | ||
78c9cb99 | 876 | AC_CHECK_TYPE(ssize_t, int) |
56f48ce9 | 877 | |
e256b8b6 DA |
878 | # Try to determine the array type of the second argument of getgroups |
879 | # for the target system (int or gid_t). | |
880 | AC_TYPE_GETGROUPS | |
881 | if test "${target}" = "${build}"; then | |
882 | TARGET_GETGROUPS_T=$ac_cv_type_getgroups | |
883 | else | |
884 | case "${target}" in | |
885 | # This condition may need some tweaking. It should include all | |
886 | # targets where the array type of the second argument of getgroups | |
887 | # is int and the type of gid_t is not equivalent to int. | |
888 | *-*-sunos* | *-*-ultrix*) | |
889 | TARGET_GETGROUPS_T=int | |
890 | ;; | |
891 | *) | |
892 | TARGET_GETGROUPS_T=gid_t | |
893 | ;; | |
894 | esac | |
895 | fi | |
896 | AC_SUBST(TARGET_GETGROUPS_T) | |
897 | ||
99e757d5 | 898 | gcc_AC_FUNC_PRINTF_PTR |
1072ec3f | 899 | gcc_AC_FUNC_MMAP_BLACKLIST |
b27d2bd5 MK |
900 | |
901 | case "${host}" in | |
ee262b6f | 902 | *-*-*vms*) |
2c55543b | 903 | # Under VMS, vfork works very differently than on Unix. The standard test |
ee262b6f DR |
904 | # won't work, and it isn't easily adaptable. It makes more sense to |
905 | # just force it. | |
906 | ac_cv_func_vfork_works=yes | |
907 | ;; | |
b27d2bd5 | 908 | esac |
c375c43b | 909 | AC_FUNC_VFORK |
f1b54f9b | 910 | |
f91abfce | 911 | AM_ICONV |
56694dd9 ZW |
912 | # Until we have in-tree GNU iconv: |
913 | LIBICONV_DEP= | |
914 | AC_SUBST(LIBICONV_DEP) | |
915 | ||
916 | AM_LC_MESSAGES | |
f91abfce | 917 | |
86cf1cbd KG |
918 | # We will need to find libiberty.h and ansidecl.h |
919 | saved_CFLAGS="$CFLAGS" | |
920 | CFLAGS="$CFLAGS -I${srcdir} -I${srcdir}/../include" | |
8e944909 | 921 | gcc_AC_CHECK_DECLS(getenv atol sbrk abort atof getcwd getwd \ |
3b681e9d | 922 | strsignal putc_unlocked fputs_unlocked fwrite_unlocked \ |
236ce4b2 | 923 | fprintf_unlocked strstr errno snprintf vasprintf \ |
c1800ec8 | 924 | malloc realloc calloc free basename getopt clock, , ,[ |
d02af173 | 925 | #include "ansidecl.h" |
86cf1cbd | 926 | #include "system.h"]) |
c5c76735 | 927 | |
f31e826b | 928 | gcc_AC_CHECK_DECLS(getrlimit setrlimit getrusage, , ,[ |
d02af173 | 929 | #include "ansidecl.h" |
86cf1cbd | 930 | #include "system.h" |
d2cabf16 KG |
931 | #ifdef HAVE_SYS_RESOURCE_H |
932 | #include <sys/resource.h> | |
933 | #endif | |
934 | ]) | |
935 | ||
b2522d2b HPN |
936 | AC_TRY_COMPILE([ |
937 | #include "ansidecl.h" | |
938 | #include "system.h" | |
939 | #ifdef HAVE_SYS_RESOURCE_H | |
940 | #include <sys/resource.h> | |
941 | #endif | |
942 | ],[rlim_t l = 0;],,[AC_DEFINE([rlim_t],[long], | |
943 | [Define to \`long' if <sys/resource.h> doesn't define.])]) | |
944 | ||
351df804 KG |
945 | gcc_AC_CHECK_DECLS(ldgetname, , ,[ |
946 | #include "ansidecl.h" | |
947 | #include "system.h" | |
948 | #ifdef HAVE_LDFCN_H | |
949 | #include <ldfcn.h> | |
950 | #endif | |
951 | ]) | |
952 | ||
c1800ec8 ZW |
953 | gcc_AC_CHECK_DECLS(times, , ,[ |
954 | #include "ansidecl.h" | |
955 | #include "system.h" | |
956 | #ifdef HAVE_SYS_TIMES_H | |
957 | #include <sys/times.h> | |
958 | #endif | |
959 | ]) | |
960 | ||
961 | # More time-related stuff. | |
962 | AC_CACHE_CHECK(for struct tms, ac_cv_struct_tms, [ | |
963 | AC_TRY_COMPILE([ | |
964 | #include "ansidecl.h" | |
965 | #include "system.h" | |
966 | #ifdef HAVE_SYS_TIMES_H | |
967 | #include <sys/times.h> | |
968 | #endif | |
969 | ], [struct tms tms;], ac_cv_struct_tms=yes, ac_cv_struct_tms=no)]) | |
970 | if test $ac_cv_struct_tms = yes; then | |
971 | AC_DEFINE(HAVE_STRUCT_TMS, 1, | |
972 | [Define if <sys/times.h> defines struct tms.]) | |
973 | fi | |
974 | ||
975 | # use gcc_cv_* here because this doesn't match the behavior of AC_CHECK_TYPE. | |
976 | # revisit after autoconf 2.50. | |
977 | AC_CACHE_CHECK(for clock_t, gcc_cv_type_clock_t, [ | |
978 | AC_TRY_COMPILE([ | |
979 | #include "ansidecl.h" | |
980 | #include "system.h" | |
981 | ], [clock_t x;], gcc_cv_type_clock_t=yes, gcc_cv_type_clock_t=no)]) | |
982 | if test $gcc_cv_type_clock_t = yes; then | |
983 | AC_DEFINE(HAVE_CLOCK_T, 1, | |
984 | [Define if <time.h> defines clock_t.]) | |
985 | fi | |
986 | ||
a12b5bd9 ZW |
987 | AC_CACHE_CHECK(for uchar, gcc_cv_type_uchar, |
988 | [AC_TRY_COMPILE([ | |
989 | #include "ansidecl.h" | |
990 | #include "system.h" | |
991 | ], | |
992 | [if ((uchar *)0) return 0; | |
993 | if (sizeof(uchar)) return 0;], | |
994 | ac_cv_type_uchar=yes, ac_cv_type_uchar=no)]) | |
995 | if test $ac_cv_type_uchar = yes; then | |
996 | AC_DEFINE(HAVE_UCHAR, 1, | |
997 | [Define if <sys/types.h> defines \`uchar'.]) | |
998 | fi | |
999 | ||
86cf1cbd KG |
1000 | # Restore CFLAGS from before the gcc_AC_NEED_DECLARATIONS tests. |
1001 | CFLAGS="$saved_CFLAGS" | |
1002 | ||
eb70d86d AS |
1003 | gcc_AC_INITFINI_ARRAY |
1004 | ||
75923b2f | 1005 | # mkdir takes a single argument on some systems. |
99e757d5 | 1006 | gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG |
75923b2f | 1007 | |
46f18e7b RK |
1008 | # File extensions |
1009 | manext='.1' | |
1010 | objext='.o' | |
46f18e7b RK |
1011 | AC_SUBST(manext) |
1012 | AC_SUBST(objext) | |
46f18e7b | 1013 | |
4977bab6 ZW |
1014 | # With Setjmp/Longjmp based exception handling. |
1015 | AC_ARG_ENABLE(sjlj-exceptions, | |
1016 | [ --enable-sjlj-exceptions | |
1017 | arrange to use setjmp/longjmp exception handling], | |
1018 | [sjlj=`if test $enableval = yes; then echo 1; else echo 0; fi` | |
1019 | AC_DEFINE_UNQUOTED(CONFIG_SJLJ_EXCEPTIONS, $sjlj, | |
1020 | [Define 0/1 to force the choice for exception handling model.])]) | |
1021 | ||
c6c51600 AS |
1022 | if test x$host = x$target; then |
1023 | AC_CHECK_LIB(unwind, main, use_libunwind_default=yes, use_libunwind_default=no) | |
1024 | else | |
1025 | use_libunwind_default=no | |
1026 | fi | |
4977bab6 ZW |
1027 | # Use libunwind based exception handling. |
1028 | AC_ARG_ENABLE(libunwind-exceptions, | |
1029 | [ --enable-libunwind-exceptions force use libunwind for exceptions], | |
1030 | use_libunwind_exceptions=$enableval, | |
1031 | use_libunwind_exceptions=$use_libunwind_default) | |
1032 | if test x"$use_libunwind_exceptions" = xyes; then | |
1033 | AC_DEFINE(USE_LIBUNWIND_EXCEPTIONS, 1, | |
1034 | [Define if gcc should use -lunwind.]) | |
1035 | fi | |
1036 | ||
34a86c2b NN |
1037 | # -------------------------------------------------------- |
1038 | # Build, host, and target specific configuration fragments | |
1039 | # -------------------------------------------------------- | |
1040 | ||
5b28c537 NN |
1041 | # Collect build-machine-specific information. |
1042 | . ${srcdir}/config.build | |
1043 | ||
a89ea0df NN |
1044 | # Collect host-machine-specific information. |
1045 | . ${srcdir}/config.host | |
1046 | ||
ef69da62 | 1047 | target_gtfiles= |
a89ea0df NN |
1048 | |
1049 | # Collect target-machine-specific information. | |
b01bc573 | 1050 | . ${srcdir}/config.gcc |
46f18e7b RK |
1051 | |
1052 | extra_objs="${host_extra_objs} ${extra_objs}" | |
30500d84 | 1053 | extra_gcc_objs="${host_extra_gcc_objs} ${extra_gcc_objs}" |
46f18e7b RK |
1054 | |
1055 | # Default the target-machine variables that were not explicitly set. | |
75bffa71 | 1056 | if test x"$tm_file" = x |
46f18e7b RK |
1057 | then tm_file=$cpu_type/$cpu_type.h; fi |
1058 | ||
6b2adea9 | 1059 | if test x"$extra_headers" = x |
46f18e7b RK |
1060 | then extra_headers=; fi |
1061 | ||
75bffa71 | 1062 | if test x$md_file = x |
e98e406f | 1063 | then md_file=$cpu_type/$cpu_type.md; fi |
46f18e7b | 1064 | |
75bffa71 | 1065 | if test x$out_file = x |
46f18e7b RK |
1066 | then out_file=$cpu_type/$cpu_type.c; fi |
1067 | ||
75bffa71 | 1068 | if test x"$tmake_file" = x |
46f18e7b RK |
1069 | then tmake_file=$cpu_type/t-$cpu_type |
1070 | fi | |
1071 | ||
90e6a802 | 1072 | if test x"$dwarf2" = xyes |
756ee602 | 1073 | then tm_file="$tm_file tm-dwarf2.h" |
90e6a802 RL |
1074 | fi |
1075 | ||
46f18e7b | 1076 | # Say what files are being used for the output code and MD file. |
11642c3a | 1077 | echo "Using \`$srcdir/config/$out_file' for machine-specific logic." |
46f18e7b RK |
1078 | echo "Using \`$srcdir/config/$md_file' as machine description file." |
1079 | ||
11642c3a | 1080 | # If any of the xm_file variables contain nonexistent files, warn |
4dc0535b ZW |
1081 | # about them and drop them. |
1082 | ||
11642c3a ZW |
1083 | bx= |
1084 | for x in $build_xm_file; do | |
1085 | if test -f $srcdir/config/$x | |
1086 | then bx="$bx $x" | |
11642c3a ZW |
1087 | else AC_MSG_WARN($srcdir/config/$x does not exist.) |
1088 | fi | |
1089 | done | |
1090 | build_xm_file="$bx" | |
1091 | ||
1092 | hx= | |
1093 | for x in $host_xm_file; do | |
1094 | if test -f $srcdir/config/$x | |
1095 | then hx="$hx $x" | |
11642c3a ZW |
1096 | else AC_MSG_WARN($srcdir/config/$x does not exist.) |
1097 | fi | |
1098 | done | |
1099 | host_xm_file="$hx" | |
1100 | ||
1101 | tx= | |
1102 | for x in $xm_file; do | |
1103 | if test -f $srcdir/config/$x | |
1104 | then tx="$tx $x" | |
11642c3a ZW |
1105 | else AC_MSG_WARN($srcdir/config/$x does not exist.) |
1106 | fi | |
1107 | done | |
1108 | xm_file="$tx" | |
1109 | ||
46f18e7b RK |
1110 | count=a |
1111 | for f in $tm_file; do | |
1112 | count=${count}x | |
1113 | done | |
75bffa71 | 1114 | if test $count = ax; then |
46f18e7b RK |
1115 | echo "Using \`$srcdir/config/$tm_file' as target machine macro file." |
1116 | else | |
1117 | echo "Using the following target machine macro files:" | |
1118 | for f in $tm_file; do | |
1119 | echo " $srcdir/config/$f" | |
1120 | done | |
1121 | fi | |
1122 | ||
4977bab6 ZW |
1123 | if test x$need_64bit_hwint = xyes; then |
1124 | AC_DEFINE(NEED_64BIT_HOST_WIDE_INT, 1, | |
1125 | [Define to 1 if HOST_WIDE_INT must be 64 bits wide (see hwint.h).]) | |
1126 | fi | |
1127 | ||
46f18e7b RK |
1128 | count=a |
1129 | for f in $host_xm_file; do | |
1130 | count=${count}x | |
1131 | done | |
11642c3a ZW |
1132 | if test $count = a; then |
1133 | : | |
1134 | elif test $count = ax; then | |
46f18e7b RK |
1135 | echo "Using \`$srcdir/config/$host_xm_file' as host machine macro file." |
1136 | else | |
1137 | echo "Using the following host machine macro files:" | |
1138 | for f in $host_xm_file; do | |
1139 | echo " $srcdir/config/$f" | |
1140 | done | |
1141 | fi | |
476d9098 | 1142 | echo "Using ${out_host_hook_obj} for host machine hooks." |
46f18e7b | 1143 | |
75bffa71 | 1144 | if test "$host_xm_file" != "$build_xm_file"; then |
46f18e7b RK |
1145 | count=a |
1146 | for f in $build_xm_file; do | |
1147 | count=${count}x | |
1148 | done | |
11642c3a ZW |
1149 | if test $count = a; then |
1150 | : | |
1151 | elif test $count = ax; then | |
46f18e7b RK |
1152 | echo "Using \`$srcdir/config/$build_xm_file' as build machine macro file." |
1153 | else | |
1154 | echo "Using the following build machine macro files:" | |
1155 | for f in $build_xm_file; do | |
1156 | echo " $srcdir/config/$f" | |
1157 | done | |
1158 | fi | |
1159 | fi | |
1160 | ||
8bb915b6 NN |
1161 | # --------- |
1162 | # Threading | |
1163 | # --------- | |
1164 | ||
c2e494a8 NN |
1165 | # Check if a valid thread package |
1166 | case ${enable_threads_flag} in | |
1167 | "" | no) | |
1168 | # No threads | |
1169 | target_thread_file='single' | |
1170 | ;; | |
1171 | yes) | |
1172 | # default | |
1173 | target_thread_file='single' | |
1174 | ;; | |
769e49eb NN |
1175 | aix | dce | gnat | irix | posix | rtems | \ |
1176 | single | solaris | vxworks | win32 ) | |
c2e494a8 NN |
1177 | target_thread_file=${enable_threads_flag} |
1178 | ;; | |
1179 | *) | |
1180 | echo "${enable_threads_flag} is an unknown thread package" 1>&2 | |
1181 | exit 1 | |
1182 | ;; | |
1183 | esac | |
1184 | ||
1185 | if test x${thread_file} = x; then | |
1186 | # No thread file set by target-specific clauses in config.gcc, | |
1187 | # so use file chosen by default logic above | |
1188 | thread_file=${target_thread_file} | |
46f18e7b | 1189 | fi |
46f18e7b | 1190 | |
8bb915b6 NN |
1191 | # Make gthr-default.h if we have a thread file. |
1192 | gthread_flags= | |
1193 | if test $thread_file != single; then | |
1194 | rm -f gthr-default.h | |
1195 | echo "#include \"gthr-${thread_file}.h\"" > gthr-default.h | |
1196 | gthread_flags=-DHAVE_GTHR_DEFAULT | |
1197 | fi | |
1198 | AC_SUBST(gthread_flags) | |
1199 | ||
1200 | # -------- | |
1201 | # UNSORTED | |
1202 | # -------- | |
1203 | ||
2121a768 JT |
1204 | if test x$enable___cxa_atexit = xyes || \ |
1205 | test x$enable___cxa_atexit = x -a x$default_use_cxa_atexit = xyes; then | |
354b7da5 DH |
1206 | AC_CHECK_FUNC(__cxa_atexit, |
1207 | [AC_DEFINE(DEFAULT_USE_CXA_ATEXIT, 1, | |
1208 | [Define if you want to use __cxa_atexit, rather than atexit, to | |
1209 | register C++ destructors for local statics and global objects. | |
1210 | This is essential for fully standards-compliant handling of | |
1211 | destructors, but requires __cxa_atexit in libc.])], | |
1212 | echo "__cxa_atexit can't be enabled on this target") | |
2121a768 JT |
1213 | fi |
1214 | ||
a5381466 | 1215 | # Look for a file containing extra machine modes. |
1c0ca89d ZW |
1216 | if test -n "$extra_modes" && test -f $srcdir/config/$extra_modes; then |
1217 | extra_modes_file='$(srcdir)'/config/${extra_modes} | |
a5381466 | 1218 | AC_SUBST(extra_modes_file) |
e22340b0 | 1219 | AC_DEFINE_UNQUOTED(EXTRA_MODES_FILE, "config/$extra_modes", |
a5381466 ZW |
1220 | [Define to the name of a file containing a list of extra machine modes |
1221 | for this architecture.]) | |
a5381466 ZW |
1222 | fi |
1223 | ||
b7cb92ad | 1224 | # auto-host.h is the file containing items generated by autoconf and is |
e9a25f70 | 1225 | # the first file included by config.h. |
4977bab6 | 1226 | # If host=build, it is correct to have bconfig include auto-host.h |
db81d74a RH |
1227 | # as well. If host!=build, we are in error and need to do more |
1228 | # work to find out the build config parameters. | |
75bffa71 | 1229 | if test x$host = x$build |
db81d74a | 1230 | then |
eaf4e618 | 1231 | build_auto=auto-host.h |
06f0b04c | 1232 | FORBUILD=.. |
b7cb92ad JL |
1233 | else |
1234 | # We create a subdir, then run autoconf in the subdir. | |
1235 | # To prevent recursion we set host and build for the new | |
1236 | # invocation of configure to the build for this invocation | |
1237 | # of configure. | |
1238 | tempdir=build.$$ | |
1239 | rm -rf $tempdir | |
1240 | mkdir $tempdir | |
1241 | cd $tempdir | |
1242 | case ${srcdir} in | |
b86ecfa9 | 1243 | /* | [A-Za-z]:[\\/]* ) realsrcdir=${srcdir};; |
b7cb92ad JL |
1244 | *) realsrcdir=../${srcdir};; |
1245 | esac | |
d920e825 L |
1246 | saved_CFLAGS="${CFLAGS}" |
1247 | CC="${CC_FOR_BUILD}" CFLAGS="${CFLAGS_FOR_BUILD}" \ | |
1248 | ${realsrcdir}/configure \ | |
33e70558 | 1249 | --enable-languages=${enable_languages-all} \ |
534d0cc0 | 1250 | --target=$target_alias --host=$build_alias --build=$build_alias |
d920e825 | 1251 | CFLAGS="${saved_CFLAGS}" |
b7cb92ad JL |
1252 | |
1253 | # We just finished tests for the build machine, so rename | |
1254 | # the file auto-build.h in the gcc directory. | |
1255 | mv auto-host.h ../auto-build.h | |
1256 | cd .. | |
1257 | rm -rf $tempdir | |
eaf4e618 | 1258 | build_auto=auto-build.h |
3b1b059c | 1259 | FORBUILD=../${build_subdir} |
db81d74a | 1260 | fi |
06f0b04c | 1261 | AC_SUBST(FORBUILD) |
db81d74a | 1262 | |
eaf4e618 | 1263 | tm_file="${tm_file} defaults.h" |
4977bab6 ZW |
1264 | tm_p_file="${tm_p_file} tm-preds.h" |
1265 | host_xm_file="auto-host.h ansidecl.h ${host_xm_file}" | |
1266 | build_xm_file="${build_auto} ansidecl.h ${build_xm_file}" | |
49691411 | 1267 | # We don't want ansidecl.h in target files, write code there in ISO/GNU C. |
b4862477 KG |
1268 | # put this back in temporarily. |
1269 | xm_file="ansidecl.h ${xm_file}" | |
0056a9b5 | 1270 | |
34a86c2b NN |
1271 | # -------- |
1272 | # UNSORTED | |
1273 | # -------- | |
1274 | ||
f1943b77 | 1275 | # Get the version trigger filename from the toplevel |
75bffa71 | 1276 | if test "${with_gcc_version_trigger+set}" = set; then |
f1943b77 MH |
1277 | gcc_version_trigger=$with_gcc_version_trigger |
1278 | else | |
1279 | gcc_version_trigger=${srcdir}/version.c | |
1280 | fi | |
75bffa71 | 1281 | changequote(,)dnl |
022dae81 | 1282 | gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*"\([^"]*\)".*/\1/'` |
8763704d | 1283 | gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'` |
cc1e60ea JM |
1284 | |
1285 | # Compile in configure arguments. | |
8105825d | 1286 | if test -f configargs.h ; then |
cc1e60ea | 1287 | # Being re-configured. |
022dae81 | 1288 | gcc_config_arguments=`grep configuration_arguments configargs.h | sed -e 's/.*"\([^"]*\)".*/\1/'` |
cc1e60ea JM |
1289 | gcc_config_arguments="$gcc_config_arguments : (reconfigured) $TOPLEVEL_CONFIGURE_ARGUMENTS" |
1290 | else | |
1291 | gcc_config_arguments="$TOPLEVEL_CONFIGURE_ARGUMENTS" | |
1292 | fi | |
eeae7b41 DJ |
1293 | |
1294 | # Double all backslashes and backslash all quotes to turn | |
1295 | # gcc_config_arguments into a C string. | |
1296 | sed -e 's/\\/\\\\/g; s/"/\\"/g' <<EOF >conftest.out | |
1297 | $gcc_config_arguments | |
1298 | EOF | |
1299 | gcc_config_arguments_str=`cat conftest.out` | |
1300 | rm -f conftest.out | |
1301 | ||
cc1e60ea JM |
1302 | cat > configargs.h <<EOF |
1303 | /* Generated automatically. */ | |
eeae7b41 | 1304 | static const char configuration_arguments[] = "$gcc_config_arguments_str"; |
a6687d2b | 1305 | static const char thread_model[] = "$thread_file"; |
7816bea0 DJ |
1306 | |
1307 | static const struct { | |
1308 | const char *name, *value; | |
1309 | } configure_default_options[] = $configure_default_options; | |
cc1e60ea | 1310 | EOF |
75bffa71 | 1311 | changequote([,])dnl |
46f18e7b | 1312 | |
ab87f8c8 JL |
1313 | # Internationalization |
1314 | PACKAGE=gcc | |
1315 | VERSION="$gcc_version" | |
ab87f8c8 JL |
1316 | AC_SUBST(PACKAGE) |
1317 | AC_SUBST(VERSION) | |
1318 | ||
56694dd9 | 1319 | ZW_GNU_GETTEXT_SISTER_DIR |
dc6746e7 | 1320 | |
56694dd9 ZW |
1321 | # If LIBINTL contains LIBICONV, then clear LIBICONV so we don't get |
1322 | # -liconv on the link line twice. | |
1323 | case "$LIBINTL" in *$LIBICONV*) | |
1324 | LIBICONV= ;; | |
1325 | esac | |
ab87f8c8 | 1326 | |
f4ab28e3 MK |
1327 | # Windows32 Registry support for specifying GCC installation paths. |
1328 | AC_ARG_ENABLE(win32-registry, | |
1329 | [ --disable-win32-registry | |
e8bec136 RO |
1330 | disable lookup of installation paths in the |
1331 | Registry on Windows hosts | |
1332 | --enable-win32-registry enable registry lookup (default) | |
f4ab28e3 | 1333 | --enable-win32-registry=KEY |
e8bec136 RO |
1334 | use KEY instead of GCC version as the last portion |
1335 | of the registry key],,) | |
4e70264f ZW |
1336 | case $host_os in |
1337 | win32 | pe | cygwin* | mingw32* | uwin*) | |
f4ab28e3 | 1338 | AC_MSG_CHECKING(whether windows registry support is requested) |
9dd53f2c | 1339 | if test "x$enable_win32_registry" != xno; then |
119d24d1 KG |
1340 | AC_DEFINE(ENABLE_WIN32_REGISTRY, 1, |
1341 | [Define to 1 if installation paths should be looked up in Windows32 | |
91029a29 | 1342 | Registry. Ignored on non windows32 hosts.]) |
f4ab28e3 | 1343 | AC_MSG_RESULT(yes) |
4e70264f | 1344 | AC_SEARCH_LIBS(RegOpenKeyExA, advapi32) |
f4ab28e3 MK |
1345 | else |
1346 | AC_MSG_RESULT(no) | |
1347 | fi | |
1348 | ||
1349 | # Check if user specified a different registry key. | |
9dd53f2c | 1350 | case "x${enable_win32_registry}" in |
f4ab28e3 MK |
1351 | x | xyes) |
1352 | # default. | |
1353 | gcc_cv_win32_registry_key="$VERSION" | |
1354 | ;; | |
1355 | xno) | |
1356 | # no registry lookup. | |
1357 | gcc_cv_win32_registry_key='' | |
1358 | ;; | |
1359 | *) | |
1360 | # user-specified key. | |
1361 | gcc_cv_win32_registry_key="$enable_win32_registry" | |
1362 | ;; | |
1363 | esac | |
1364 | ||
9dd53f2c | 1365 | if test "x$enable_win32_registry" != xno; then |
f4ab28e3 | 1366 | AC_MSG_CHECKING(registry key on windows hosts) |
119d24d1 KG |
1367 | AC_DEFINE_UNQUOTED(WIN32_REGISTRY_KEY, "$gcc_cv_win32_registry_key", |
1368 | [Define to be the last portion of registry key on windows hosts.]) | |
f4ab28e3 MK |
1369 | AC_MSG_RESULT($gcc_cv_win32_registry_key) |
1370 | fi | |
4e70264f ZW |
1371 | ;; |
1372 | esac | |
f4ab28e3 | 1373 | |
7fa10b25 | 1374 | # Get an absolute path to the GCC top-level source directory |
1e6347d8 | 1375 | holddir=`${PWDCMD-pwd}` |
7fa10b25 | 1376 | cd $srcdir |
1e6347d8 | 1377 | topdir=`${PWDCMD-pwd}` |
7fa10b25 RK |
1378 | cd $holddir |
1379 | ||
af5e4ada | 1380 | # Conditionalize the makefile for this host machine. |
2ed26f6b | 1381 | xmake_file= |
c406e779 | 1382 | for f in ${host_xmake_file} |
94f42018 | 1383 | do |
75bffa71 | 1384 | if test -f ${srcdir}/config/$f |
94f42018 | 1385 | then |
2ed26f6b | 1386 | xmake_file="${xmake_file} \$(srcdir)/config/$f" |
94f42018 DE |
1387 | fi |
1388 | done | |
46f18e7b | 1389 | |
af5e4ada | 1390 | # Conditionalize the makefile for this target machine. |
2ed26f6b | 1391 | tmake_file_= |
c406e779 | 1392 | for f in ${tmake_file} |
94f42018 | 1393 | do |
75bffa71 | 1394 | if test -f ${srcdir}/config/$f |
94f42018 | 1395 | then |
2ed26f6b | 1396 | tmake_file_="${tmake_file_} \$(srcdir)/config/$f" |
94f42018 DE |
1397 | fi |
1398 | done | |
2ed26f6b | 1399 | tmake_file="${tmake_file_}" |
5891b37d | 1400 | |
34a86c2b NN |
1401 | symbolic_link='ln -s' |
1402 | ||
af5e4ada DE |
1403 | # If the host doesn't support symlinks, modify CC in |
1404 | # FLAGS_TO_PASS so CC="stage1/xgcc -Bstage1/" works. | |
1405 | # Otherwise, we can use "CC=$(CC)". | |
1406 | rm -f symtest.tem | |
61536478 | 1407 | if $symbolic_link $srcdir/gcc.c symtest.tem 2>/dev/null |
af5e4ada DE |
1408 | then |
1409 | cc_set_by_configure="\$(CC)" | |
5aa82ace | 1410 | quoted_cc_set_by_configure="\$(CC)" |
af5e4ada | 1411 | stage_prefix_set_by_configure="\$(STAGE_PREFIX)" |
596151e1 | 1412 | quoted_stage_prefix_set_by_configure="\$(STAGE_PREFIX)" |
af5e4ada | 1413 | else |
61536478 JL |
1414 | rm -f symtest.tem |
1415 | if cp -p $srcdir/gcc.c symtest.tem 2>/dev/null | |
1416 | then | |
1417 | symbolic_link="cp -p" | |
1418 | else | |
1419 | symbolic_link="cp" | |
1420 | fi | |
af5e4ada | 1421 | cc_set_by_configure="\`case '\$(CC)' in stage*) echo '\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\$(CC)';; esac\`" |
5aa82ace | 1422 | quoted_cc_set_by_configure="\\\`case '\\\$(CC)' in stage*) echo '\\\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(CC)';; esac\\\`" |
af5e4ada | 1423 | stage_prefix_set_by_configure="\`case '\$(STAGE_PREFIX)' in stage*) echo '\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\$(STAGE_PREFIX)';; esac\`" |
596151e1 | 1424 | quoted_stage_prefix_set_by_configure="\\\`case '\\\$(STAGE_PREFIX)' in stage*) echo '\\\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(STAGE_PREFIX)';; esac\\\`" |
af5e4ada DE |
1425 | fi |
1426 | rm -f symtest.tem | |
5891b37d | 1427 | |
af5e4ada | 1428 | out_object_file=`basename $out_file .c`.o |
5891b37d | 1429 | |
af5e4ada | 1430 | tm_file_list= |
e22340b0 | 1431 | tm_include_list= |
af5e4ada | 1432 | for f in $tm_file; do |
64ccbc99 | 1433 | case $f in |
d02af173 | 1434 | defaults.h ) |
e22340b0 ZW |
1435 | tm_file_list="${tm_file_list} \$(srcdir)/$f" |
1436 | tm_include_list="${tm_include_list} $f" | |
1437 | ;; | |
1438 | * ) | |
1439 | tm_file_list="${tm_file_list} \$(srcdir)/config/$f" | |
1440 | tm_include_list="${tm_include_list} config/$f" | |
1441 | ;; | |
64ccbc99 | 1442 | esac |
af5e4ada | 1443 | done |
46f18e7b | 1444 | |
11642c3a | 1445 | tm_p_file_list= |
e22340b0 | 1446 | tm_p_include_list= |
11642c3a | 1447 | for f in $tm_p_file; do |
4977bab6 ZW |
1448 | case $f in |
1449 | tm-preds.h ) | |
e22340b0 ZW |
1450 | tm_p_file_list="${tm_p_file_list} $f" |
1451 | tm_p_include_list="${tm_p_include_list} $f" | |
1452 | ;; | |
1453 | * ) | |
1454 | tm_p_file_list="${tm_p_file_list} \$(srcdir)/config/$f" | |
1455 | tm_p_include_list="${tm_p_include_list} config/$f" | |
1456 | esac | |
1457 | done | |
1458 | ||
1459 | xm_file_list= | |
1460 | xm_include_list= | |
1461 | for f in $xm_file; do | |
1462 | case $f in | |
1463 | ansidecl.h ) | |
1464 | xm_file_list="${xm_file_list} \$(srcdir)/../include/$f" | |
1465 | xm_include_list="${xm_include_list} $f" | |
1466 | ;; | |
1467 | auto-host.h ) | |
1468 | xm_file_list="${xm_file_list} $f" | |
1469 | xm_include_list="${xm_include_list} $f" | |
1470 | ;; | |
1471 | * ) | |
1472 | xm_file_list="${xm_file_list} \$(srcdir)/config/$f" | |
1473 | xm_include_list="${xm_include_list} config/$f" | |
1474 | ;; | |
4977bab6 | 1475 | esac |
11642c3a ZW |
1476 | done |
1477 | ||
af5e4ada | 1478 | host_xm_file_list= |
e22340b0 | 1479 | host_xm_include_list= |
af5e4ada | 1480 | for f in $host_xm_file; do |
64ccbc99 | 1481 | case $f in |
d02af173 | 1482 | ansidecl.h ) |
e22340b0 ZW |
1483 | host_xm_file_list="${host_xm_file_list} \$(srcdir)/../include/$f" |
1484 | host_xm_include_list="${host_xm_include_list} $f" | |
1485 | ;; | |
e2500fed | 1486 | auto-host.h ) |
e22340b0 ZW |
1487 | host_xm_file_list="${host_xm_file_list} $f" |
1488 | host_xm_include_list="${host_xm_include_list} $f" | |
1489 | ;; | |
1490 | * ) | |
1491 | host_xm_file_list="${host_xm_file_list} \$(srcdir)/config/$f" | |
1492 | host_xm_include_list="${host_xm_include_list} config/$f" | |
1493 | ;; | |
64ccbc99 | 1494 | esac |
af5e4ada DE |
1495 | done |
1496 | ||
1497 | build_xm_file_list= | |
1498 | for f in $build_xm_file; do | |
64ccbc99 | 1499 | case $f in |
d02af173 | 1500 | ansidecl.h ) |
e22340b0 ZW |
1501 | build_xm_file_list="${build_xm_file_list} \$(srcdir)/../include/$f" |
1502 | build_xm_include_list="${build_xm_include_list} $f" | |
1503 | ;; | |
e2500fed | 1504 | auto-build.h | auto-host.h ) |
e22340b0 ZW |
1505 | build_xm_file_list="${build_xm_file_list} $f" |
1506 | build_xm_include_list="${build_xm_include_list} $f" | |
1507 | ;; | |
1508 | * ) | |
1509 | build_xm_file_list="${build_xm_file_list} \$(srcdir)/config/$f" | |
1510 | build_xm_include_list="${build_xm_include_list} config/$f" | |
1511 | ;; | |
64ccbc99 | 1512 | esac |
af5e4ada | 1513 | done |
46f18e7b | 1514 | |
a078a589 ZW |
1515 | # Define macro CROSS_COMPILE in compilation if this is a cross-compiler. |
1516 | # Also use all.cross instead of all.internal and adjust SYSTEM_HEADER_DIR. | |
1517 | CROSS= AC_SUBST(CROSS) | |
1518 | ALL=all.internal AC_SUBST(ALL) | |
1519 | SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)' AC_SUBST(SYSTEM_HEADER_DIR) | |
75bffa71 | 1520 | if test x$host != x$target |
af5e4ada | 1521 | then |
a078a589 ZW |
1522 | CROSS="-DCROSS_COMPILE" |
1523 | ALL=all.cross | |
1524 | SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)' | |
343f59d9 | 1525 | case "$host","$target" in |
3a7e8b87 GK |
1526 | # Darwin crosses can use the host system's libraries and headers, |
1527 | # because of the fat library support. Of course, it must be the | |
1528 | # same version of Darwin on both sides. Allow the user to | |
1529 | # just say --target=foo-darwin without a version number to mean | |
1530 | # "the version on this system". | |
1531 | *-*-darwin*,*-*-darwin*) | |
1532 | hostos=`echo $host | sed 's/.*-darwin/darwin/'` | |
1533 | targetos=`echo $target | sed 's/.*-darwin/darwin/'` | |
1534 | if test $hostos = $targetos -o $targetos = darwin ; then | |
1535 | CROSS= | |
1536 | SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)' | |
1537 | with_headers=yes | |
1538 | fi | |
1539 | ;; | |
1540 | ||
343f59d9 AM |
1541 | i?86-*-*,x86_64-*-* \ |
1542 | | powerpc*-*-*,powerpc64*-*-*) | |
1543 | CROSS="$CROSS -DNATIVE_CROSS" ;; | |
1544 | esac | |
7a615b25 AO |
1545 | elif test "x$TARGET_SYSTEM_ROOT" != x; then |
1546 | # This is just $(TARGET_SYSTEM_ROOT)$(NATIVE_SYSTEM_HEADER_DIR) | |
1547 | SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)' | |
af5e4ada | 1548 | fi |
46f18e7b | 1549 | |
b39d221a EC |
1550 | # If this is a cross-compiler that does not |
1551 | # have its own set of headers then define | |
1552 | # inhibit_libc | |
1553 | ||
dc06db20 R |
1554 | # If this is using newlib, without having the headers available now, |
1555 | # then define inhibit_libc in LIBGCC2_CFLAGS. | |
fecd6201 ZW |
1556 | # This prevents libgcc2 from containing any code which requires libc |
1557 | # support. | |
b39d221a | 1558 | inhibit_libc= |
dc06db20 R |
1559 | if { { test x$host != x$target && test "x$with_sysroot" = x ; } || |
1560 | test x$with_newlib = xyes ; } && | |
e50084fa | 1561 | { test "x$with_headers" = x || test "x$with_headers" = xno ; } ; then |
b39d221a | 1562 | inhibit_libc=-Dinhibit_libc |
b39d221a EC |
1563 | fi |
1564 | AC_SUBST(inhibit_libc) | |
1565 | ||
a078a589 ZW |
1566 | # When building gcc with a cross-compiler, we need to adjust things so |
1567 | # that the generator programs are still built with the native compiler. | |
1568 | # Also, we cannot run fixincludes or fix-header. | |
a078a589 ZW |
1569 | |
1570 | # These are the normal (build=host) settings: | |
5c35940c NN |
1571 | BUILD_PREFIX= AC_SUBST(BUILD_PREFIX) |
1572 | BUILD_PREFIX_1=ignore- AC_SUBST(BUILD_PREFIX_1) | |
eaf9f3b2 | 1573 | CC_FOR_BUILD='$(CC)' AC_SUBST(CC_FOR_BUILD) |
4977bab6 | 1574 | BUILD_CFLAGS='$(ALL_CFLAGS)' AC_SUBST(BUILD_CFLAGS) |
a078a589 ZW |
1575 | |
1576 | STMP_FIXINC=stmp-fixinc AC_SUBST(STMP_FIXINC) | |
587dc9c6 NN |
1577 | |
1578 | # Possibly disable fixproto, on a per-target basis. | |
1579 | case ${use_fixproto} in | |
1580 | no) | |
1581 | STMP_FIXPROTO= | |
1582 | ;; | |
1583 | yes) | |
1584 | STMP_FIXPROTO=stmp-fixproto | |
1585 | ;; | |
1586 | esac | |
1587 | AC_SUBST(STMP_FIXPROTO) | |
a078a589 | 1588 | |
83599948 NS |
1589 | # And these apply if build != host, or we are generating coverage data |
1590 | if test x$build != x$host || test "x$coverage_flags" != x | |
af5e4ada | 1591 | then |
5c35940c NN |
1592 | BUILD_PREFIX=build- |
1593 | BUILD_PREFIX_1=build- | |
b11e4747 | 1594 | BUILD_CFLAGS='$(INTERNAL_CFLAGS) $(T_CFLAGS) $(CFLAGS_FOR_BUILD)' |
a078a589 | 1595 | |
7a615b25 AO |
1596 | if test "x$TARGET_SYSTEM_ROOT" = x; then |
1597 | STMP_FIXINC= | |
1598 | STMP_FIXPROTO= | |
1599 | fi | |
af5e4ada | 1600 | fi |
46f18e7b | 1601 | |
ae3a15bb DE |
1602 | # Expand extra_headers to include complete path. |
1603 | # This substitutes for lots of t-* files. | |
1604 | extra_headers_list= | |
b1ef58c8 NN |
1605 | # Prepend $(srcdir)/config/${cpu_type}/ to every entry in extra_headers. |
1606 | for file in ${extra_headers} ; do | |
1607 | extra_headers_list="${extra_headers_list} \$(srcdir)/config/${cpu_type}/${file}" | |
1608 | done | |
ae3a15bb | 1609 | |
af5e4ada | 1610 | # Add a definition of USE_COLLECT2 if system wants one. |
34a86c2b NN |
1611 | case $use_collect2 in |
1612 | no) use_collect2= ;; | |
1613 | "") ;; | |
1614 | *) | |
1615 | host_xm_defines="${host_xm_defines} USE_COLLECT2" | |
1616 | xm_defines="${xm_defines} USE_COLLECT2" | |
1617 | ;; | |
1618 | esac | |
af5e4ada | 1619 | |
630327c3 NN |
1620 | # --------------------------- |
1621 | # Assembler & linker features | |
1622 | # --------------------------- | |
1623 | ||
d869a8c4 NN |
1624 | # Identify the assembler which will work hand-in-glove with the newly |
1625 | # built GCC, so that we can examine its features. This is the assembler | |
1626 | # which will be driven by the driver program. | |
1627 | # | |
1628 | # If build != host, and we aren't building gas in-tree, we identify a | |
1629 | # build->target assembler and hope that it will have the same features | |
1630 | # as the host->target assembler we'll be using. | |
981d4858 | 1631 | AC_MSG_CHECKING(what assembler to use) |
34a86c2b | 1632 | in_tree_gas=no |
9e423e6d | 1633 | gcc_cv_as= |
981d4858 JM |
1634 | gcc_cv_gas_major_version= |
1635 | gcc_cv_gas_minor_version= | |
a2f319ea | 1636 | gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/gas |
3ccc3a56 AO |
1637 | if test -x "$DEFAULT_ASSEMBLER"; then |
1638 | gcc_cv_as="$DEFAULT_ASSEMBLER" | |
1639 | elif test -x "$AS"; then | |
1640 | gcc_cv_as="$AS" | |
ab339d62 | 1641 | elif test -x as$host_exeext; then |
9e423e6d JW |
1642 | # Build using assembler in the current directory. |
1643 | gcc_cv_as=./as$host_exeext | |
34a86c2b NN |
1644 | elif test -f $gcc_cv_as_gas_srcdir/configure.in \ |
1645 | && test -f ../gas/Makefile; then | |
ad9c4d9f NN |
1646 | # Single tree build which includes gas. |
1647 | in_tree_gas=yes | |
1648 | _gcc_COMPUTE_GAS_VERSION | |
f9c1196a ZW |
1649 | rm -f as$host_exeext |
1650 | $symbolic_link ../gas/as-new$host_exeext as$host_exeext 2>/dev/null | |
5408ac6c HPN |
1651 | in_tree_gas_is_elf=no |
1652 | if grep 'obj_format = elf' ../gas/Makefile > /dev/null \ | |
1653 | || (grep 'obj_format = multi' ../gas/Makefile \ | |
1654 | && grep 'extra_objects =.* obj-elf' ../gas/Makefile) > /dev/null | |
1655 | then | |
1656 | in_tree_gas_is_elf=yes | |
1657 | fi | |
981d4858 JM |
1658 | fi |
1659 | ||
534d0cc0 | 1660 | if test "x$gcc_cv_as" = x; then |
779243f7 JL |
1661 | # Search the same directories that the installed compiler will |
1662 | # search. Else we may find the wrong assembler and lose. If we | |
1663 | # do not find a suitable assembler binary, then try the user's | |
1664 | # path. | |
1665 | # | |
1666 | # Also note we have to check MD_EXEC_PREFIX before checking the | |
1667 | # user's path. Unfortunately, there is no good way to get at the | |
1668 | # value of MD_EXEC_PREFIX here. So we do a brute force search | |
1669 | # through all the known MD_EXEC_PREFIX values. Ugh. This needs | |
1670 | # to be fixed as part of the make/configure rewrite too. | |
1671 | ||
1672 | if test "x$exec_prefix" = xNONE; then | |
1673 | if test "x$prefix" = xNONE; then | |
1674 | test_prefix=/usr/local | |
1675 | else | |
1676 | test_prefix=$prefix | |
1677 | fi | |
1678 | else | |
1679 | test_prefix=$exec_prefix | |
1680 | fi | |
1681 | ||
1682 | # If the loop below does not find an assembler, then use whatever | |
1683 | # one we can find in the users's path. | |
1684 | # user's path. | |
55a2ea2a AM |
1685 | if test "x$program_prefix" != xNONE; then |
1686 | gcc_cv_as=${program_prefix}as$host_exeext | |
1687 | else | |
9c56033f | 1688 | gcc_cv_as=`echo as | sed "${program_transform_name}"`$host_exeext |
55a2ea2a AM |
1689 | fi |
1690 | ||
19baba0b RO |
1691 | test_dirs="$test_prefix/libexec/gcc/$target_noncanonical/$gcc_version \ |
1692 | $test_prefix/libexec/gcc/$target_noncanonical \ | |
caa55b1e NN |
1693 | /usr/lib/gcc/$target_noncanonical/$gcc_version \ |
1694 | /usr/lib/gcc/$target_noncanonical \ | |
1695 | $test_prefix/$target_noncanonical/bin/$target_noncanonical/$gcc_version \ | |
1696 | $test_prefix/$target_noncanonical/bin" | |
55a2ea2a AM |
1697 | |
1698 | if test x$host = x$target; then | |
1699 | test_dirs="$test_dirs \ | |
779243f7 JL |
1700 | /usr/libexec \ |
1701 | /usr/ccs/gcc \ | |
1702 | /usr/ccs/bin \ | |
1703 | /udk/usr/ccs/bin \ | |
1704 | /bsd43/usr/lib/cmplrs/cc \ | |
1705 | /usr/cross64/usr/bin \ | |
1706 | /usr/lib/cmplrs/cc \ | |
1707 | /sysv/usr/lib/cmplrs/cc \ | |
1708 | /svr4/usr/lib/cmplrs/cc \ | |
1709 | /usr/bin" | |
55a2ea2a | 1710 | fi |
779243f7 JL |
1711 | |
1712 | for dir in $test_dirs; do | |
55a2ea2a | 1713 | if test -x $dir/as$host_exeext; then |
779243f7 JL |
1714 | gcc_cv_as=$dir/as$host_exeext |
1715 | break; | |
1716 | fi | |
1717 | done | |
9e423e6d | 1718 | fi |
34a86c2b NN |
1719 | case $in_tree_gas in |
1720 | yes) | |
1721 | AC_MSG_RESULT("newly built gas") | |
1722 | ;; | |
1723 | no) | |
1724 | AC_MSG_RESULT($gcc_cv_as) | |
1725 | ;; | |
1726 | esac | |
981d4858 | 1727 | |
d869a8c4 NN |
1728 | # Identify the linker which will work hand-in-glove with the newly |
1729 | # built GCC, so that we can examine its features. This is the linker | |
1730 | # which will be driven by the driver program. | |
1731 | # | |
1732 | # If build != host, and we aren't building gas in-tree, we identify a | |
1733 | # build->target linker and hope that it will have the same features | |
1734 | # as the host->target linker we'll be using. | |
275b60d6 | 1735 | AC_MSG_CHECKING(what linker to use) |
34a86c2b | 1736 | in_tree_ld=no |
275b60d6 JJ |
1737 | gcc_cv_ld= |
1738 | gcc_cv_gld_major_version= | |
1739 | gcc_cv_gld_minor_version= | |
1740 | gcc_cv_ld_gld_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/ld | |
1741 | gcc_cv_ld_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd | |
1742 | if test -x "$DEFAULT_LINKER"; then | |
1743 | gcc_cv_ld="$DEFAULT_LINKER" | |
1a543d25 AO |
1744 | elif test -x "$LD_FOR_TARGET"; then |
1745 | gcc_cv_ld="$LD_FOR_TARGET" | |
1746 | elif test -x "$LD" && test x$host = x$target; then | |
275b60d6 | 1747 | gcc_cv_ld="$LD" |
f9c1196a | 1748 | elif test -x collect-ld$host_exeext; then |
275b60d6 | 1749 | # Build using linker in the current directory. |
f9c1196a | 1750 | gcc_cv_ld=./collect-ld$host_exeext |
34a86c2b NN |
1751 | elif test -f $gcc_cv_ld_gld_srcdir/configure.in \ |
1752 | && test -f ../ld/Makefile; then | |
275b60d6 | 1753 | # Single tree build which includes ld. |
34a86c2b | 1754 | in_tree_ld=yes |
5408ac6c HPN |
1755 | in_tree_ld_is_elf=no |
1756 | if (grep 'EMUL = .*elf' ../ld/Makefile \ | |
1757 | || grep 'EMUL = .*linux' ../ld/Makefile) > /dev/null; then | |
1758 | in_tree_ld_is_elf=yes | |
1759 | fi | |
275b60d6 JJ |
1760 | 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 |
1761 | do | |
1762 | changequote(,)dnl | |
1763 | gcc_cv_gld_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f` | |
1764 | changequote([,])dnl | |
1765 | if test x$gcc_cv_gld_version != x; then | |
1766 | break | |
1767 | fi | |
1768 | done | |
1769 | changequote(,)dnl | |
1770 | gcc_cv_gld_major_version=`expr "$gcc_cv_gld_version" : "VERSION=\([0-9]*\)"` | |
1771 | gcc_cv_gld_minor_version=`expr "$gcc_cv_gld_version" : "VERSION=[0-9]*\.\([0-9]*\)"` | |
1772 | changequote([,])dnl | |
f9c1196a ZW |
1773 | rm -f collect-ld$host_exeext |
1774 | $symbolic_link ../ld/ld-new$host_exeext collect-ld$host_exeext \ | |
1775 | 2>/dev/null | |
275b60d6 JJ |
1776 | fi |
1777 | ||
534d0cc0 | 1778 | if test "x$gcc_cv_ld" = x; then |
275b60d6 JJ |
1779 | # Search the same directories that the installed compiler will |
1780 | # search. Else we may find the wrong linker and lose. If we | |
1781 | # do not find a suitable linker binary, then try the user's | |
1782 | # path. | |
1783 | # | |
1784 | # Also note we have to check MD_EXEC_PREFIX before checking the | |
1785 | # user's path. Unfortunately, there is no good way to get at the | |
1786 | # value of MD_EXEC_PREFIX here. So we do a brute force search | |
1787 | # through all the known MD_EXEC_PREFIX values. Ugh. This needs | |
1788 | # to be fixed as part of the make/configure rewrite too. | |
1789 | ||
1790 | if test "x$exec_prefix" = xNONE; then | |
1791 | if test "x$prefix" = xNONE; then | |
1792 | test_prefix=/usr/local | |
1793 | else | |
1794 | test_prefix=$prefix | |
1795 | fi | |
1796 | else | |
1797 | test_prefix=$exec_prefix | |
1798 | fi | |
1799 | ||
1800 | # If the loop below does not find an linker, then use whatever | |
1801 | # one we can find in the users's path. | |
1802 | # user's path. | |
55a2ea2a AM |
1803 | if test "x$program_prefix" != xNONE; then |
1804 | gcc_cv_ld=${program_prefix}ld$host_exeext | |
1805 | else | |
9c56033f | 1806 | gcc_cv_ld=`echo ld | sed "${program_transform_name}"`$host_exeext |
55a2ea2a AM |
1807 | fi |
1808 | ||
19baba0b RO |
1809 | test_dirs="$test_prefix/libexec/gcc/$target_noncanonical/$gcc_version \ |
1810 | $test_prefix/libexec/gcc/$target_noncanonical \ | |
caa55b1e NN |
1811 | /usr/lib/gcc/$target_noncanonical/$gcc_version \ |
1812 | /usr/lib/gcc/$target_noncanonical \ | |
1813 | $test_prefix/$target_noncanonical/bin/$target_noncanonical/$gcc_version \ | |
1814 | $test_prefix/$target_noncanonical/bin" | |
55a2ea2a AM |
1815 | |
1816 | if test x$host = x$target; then | |
1817 | test_dirs="$test_dirs \ | |
275b60d6 JJ |
1818 | /usr/libexec \ |
1819 | /usr/ccs/gcc \ | |
1820 | /usr/ccs/bin \ | |
1821 | /udk/usr/ccs/bin \ | |
1822 | /bsd43/usr/lib/cmplrs/cc \ | |
1823 | /usr/cross64/usr/bin \ | |
1824 | /usr/lib/cmplrs/cc \ | |
1825 | /sysv/usr/lib/cmplrs/cc \ | |
1826 | /svr4/usr/lib/cmplrs/cc \ | |
1827 | /usr/bin" | |
55a2ea2a | 1828 | fi |
275b60d6 JJ |
1829 | |
1830 | for dir in $test_dirs; do | |
55a2ea2a | 1831 | if test -x $dir/ld$host_exeext; then |
275b60d6 JJ |
1832 | gcc_cv_ld=$dir/ld$host_exeext |
1833 | break; | |
1834 | fi | |
1835 | done | |
1836 | fi | |
34a86c2b NN |
1837 | case $in_tree_ld in |
1838 | yes) | |
1839 | AC_MSG_RESULT("newly built ld") | |
1840 | ;; | |
1841 | no) | |
1842 | AC_MSG_RESULT($gcc_cv_ld) | |
1843 | ;; | |
1844 | esac | |
275b60d6 | 1845 | |
981d4858 | 1846 | # Figure out what nm we will be using. |
f9c1196a | 1847 | gcc_cv_binutils_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/binutils |
981d4858 | 1848 | AC_MSG_CHECKING(what nm to use) |
f9c1196a | 1849 | in_tree_nm=no |
981d4858 JM |
1850 | if test -x nm$host_exeext; then |
1851 | gcc_cv_nm=./nm$host_exeext | |
f9c1196a ZW |
1852 | elif test -f $gcc_cv_binutils_srcdir/configure.in \ |
1853 | && test -f ../binutils/Makefile; then | |
1854 | # Single tree build which includes binutils. | |
1855 | in_tree_nm=yes | |
1856 | gcc_cv_nm=./nm$host_exeext | |
1857 | rm -f nm$host_exeext | |
1858 | $symbolic_link ../binutils/nm-new$host_exeext nm$host_exeext 2>/dev/null | |
534d0cc0 AM |
1859 | elif test "x$program_prefix" != xNONE; then |
1860 | gcc_cv_nm=${program_prefix}nm$host_exeext | |
1861 | else | |
9c56033f | 1862 | gcc_cv_nm=`echo nm | sed "${program_transform_name}"`$host_exeext |
981d4858 | 1863 | fi |
f9c1196a ZW |
1864 | case $in_tree_nm in |
1865 | yes) AC_MSG_RESULT("newly built nm") ;; | |
1866 | no) AC_MSG_RESULT($gcc_cv_nm) ;; | |
1867 | esac | |
981d4858 | 1868 | |
3cae5780 AS |
1869 | # Figure out what objdump we will be using. |
1870 | AC_MSG_CHECKING(what objdump to use) | |
f9c1196a | 1871 | in_tree_objdump=no |
3cae5780 AS |
1872 | if test -x objdump$host_exeext; then |
1873 | gcc_cv_objdump=./objdump$host_exeext | |
f9c1196a ZW |
1874 | elif test -f $gcc_cv_binutils_srcdir/configure.in \ |
1875 | && test -f ../binutils/Makefile; then | |
1876 | # Single tree build which includes binutils. | |
1877 | in_tree_objdump=yes | |
1878 | gcc_cv_objdump=./objdump$host_exeext | |
1879 | rm -f objdump$host_exeext | |
1880 | $symbolic_link ../binutils/objdump$host_exeext \ | |
1881 | objdump$host_exeext 2>/dev/null | |
534d0cc0 AM |
1882 | elif test "x$program_prefix" != xNONE; then |
1883 | gcc_cv_objdump=${program_prefix}objdump$host_exeext | |
1884 | else | |
f9c1196a | 1885 | gcc_cv_objdump=`echo objdump | \ |
9c56033f | 1886 | sed "${program_transform_name}"`$host_exeext |
3cae5780 | 1887 | fi |
f9c1196a ZW |
1888 | case $in_tree_objdump in |
1889 | yes) AC_MSG_RESULT("newly built objdump") ;; | |
1890 | no) AC_MSG_RESULT($gcc_cv_objdump) ;; | |
1891 | esac | |
3cae5780 | 1892 | |
981d4858 | 1893 | # Figure out what assembler alignment features are present. |
8ada417f ZW |
1894 | gcc_GAS_CHECK_FEATURE([.balign and .p2align], gcc_cv_as_balign_and_p2align, |
1895 | [2,6,0],, | |
1896 | [.balign 4 | |
1897 | .p2align 2],, | |
1898 | [AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN, 1, | |
1899 | [Define if your assembler supports .balign and .p2align.])]) | |
1900 | ||
1901 | gcc_GAS_CHECK_FEATURE([.p2align with maximum skip], gcc_cv_as_max_skip_p2align, | |
1902 | [2,8,0],, | |
1903 | [.p2align 4,,7],, | |
1904 | [AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN, 1, | |
1905 | [Define if your assembler supports specifying the maximum number | |
1906 | of bytes to skip when using the GAS .p2align command.])]) | |
1907 | ||
1908 | gcc_GAS_CHECK_FEATURE([working .subsection -1], gcc_cv_as_subsection_m1, | |
1909 | [elf,2,9,0],, | |
1910 | [conftest_label1: .word 0 | |
d1accaa3 JJ |
1911 | .subsection -1 |
1912 | conftest_label2: .word 0 | |
8ada417f ZW |
1913 | .previous], |
1914 | [if test x$gcc_cv_nm != x; then | |
1915 | $gcc_cv_nm conftest.o | grep conftest_label1 > conftest.nm1 | |
1916 | $gcc_cv_nm conftest.o | grep conftest_label2 | sed -e 's/label2/label1/' > conftest.nm2 | |
1917 | if cmp conftest.nm1 conftest.nm2 > /dev/null 2>&1 | |
1918 | then : | |
1919 | else gcc_cv_as_subsection_m1=yes | |
1920 | fi | |
1921 | rm -f conftest.nm1 conftest.nm2 | |
1922 | fi], | |
1923 | [AC_DEFINE(HAVE_GAS_SUBSECTION_ORDERING, 1, | |
1924 | [Define if your assembler supports .subsection and .subsection -1 starts | |
1925 | emitting at the beginning of your section.])]) | |
1926 | ||
1927 | gcc_GAS_CHECK_FEATURE([.weak], gcc_cv_as_weak, | |
1928 | [2,2,0],, | |
1929 | [ .weak foobar],, | |
1930 | [AC_DEFINE(HAVE_GAS_WEAK, 1, [Define if your assembler supports .weak.])]) | |
1931 | ||
1932 | # .hidden needs to be supported in both the assembler and the linker, | |
1933 | # because GNU LD versions before 2.12.1 have buggy support for STV_HIDDEN. | |
1934 | # This is irritatingly difficult to feature test for; we have to check the | |
1935 | # date string after the version number. If we've got an in-tree | |
1936 | # ld, we don't know its patchlevel version, so we set the baseline at 2.13 | |
1937 | # to be safe. | |
1938 | # The gcc_GAS_CHECK_FEATURE call just sets a cache variable. | |
1939 | gcc_GAS_CHECK_FEATURE([.hidden], gcc_cv_as_hidden, | |
1940 | [elf,2,13,0],, | |
1941 | [ .hidden foobar | |
1942 | foobar:]) | |
1943 | ||
1944 | AC_CACHE_CHECK(linker for .hidden support, gcc_cv_ld_hidden, | |
1945 | [if test $in_tree_ld = yes ; then | |
1946 | gcc_cv_ld_hidden=no | |
1947 | if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 13 -o "$gcc_cv_gld_major_version" -gt 2 \ | |
1948 | && test $in_tree_ld_is_elf = yes; then | |
1949 | gcc_cv_ld_hidden=yes | |
1950 | fi | |
1951 | else | |
1952 | gcc_cv_ld_hidden=yes | |
bace148a | 1953 | ld_ver=`$gcc_cv_ld --version 2>/dev/null | sed 1q` |
8ada417f | 1954 | if echo "$ld_ver" | grep GNU > /dev/null; then |
c72931a6 | 1955 | changequote(,)dnl |
8ada417f ZW |
1956 | ld_vers=`echo $ld_ver | sed -n \ |
1957 | -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\)$,\1,p' \ | |
1958 | -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)$,\1,p' \ | |
1959 | -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)$,\1,p' \ | |
1960 | -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\)[ ].*$,\1,p' \ | |
1961 | -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)[ ].*$,\1,p' \ | |
1962 | -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)[ ].*$,\1,p'` | |
1963 | ld_date=`echo $ld_ver | sed -n 's,^.*\([2-9][0-9][0-9][0-9]\)[-]*\([01][0-9]\)[-]*\([0-3][0-9]\).*$,\1\2\3,p'` | |
1964 | if test 0"$ld_date" -lt 20020404; then | |
1965 | if test -n "$ld_date"; then | |
1966 | # If there was date string, but was earlier than 2002-04-04, fail | |
1967 | gcc_cv_ld_hidden=no | |
1968 | elif test -z "$ld_vers"; then | |
1969 | # If there was no date string nor ld version number, something is wrong | |
1970 | gcc_cv_ld_hidden=no | |
1971 | else | |
1972 | ld_vers_major=`expr "$ld_vers" : '\([0-9]*\)'` | |
1973 | ld_vers_minor=`expr "$ld_vers" : '[0-9]*\.\([0-9]*\)'` | |
1974 | ld_vers_patch=`expr "$ld_vers" : '[0-9]*\.[0-9]*\.\([0-9]*\)'` | |
1975 | test -z "$ld_vers_patch" && ld_vers_patch=0 | |
1976 | if test "$ld_vers_major" -lt 2; then | |
1977 | gcc_cv_ld_hidden=no | |
1978 | elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -lt 12; then | |
1979 | gcc_cv_ld_hidden="no" | |
1980 | elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -eq 12 -a "$ld_vers_patch" -eq 0; then | |
1981 | gcc_cv_ld_hidden=no | |
c72931a6 | 1982 | fi |
8ada417f ZW |
1983 | fi |
1984 | changequote([,])dnl | |
789b7de5 | 1985 | fi |
8ada417f | 1986 | else |
28690784 | 1987 | case "${target}" in |
b0fd7d27 | 1988 | hppa64*-*-hpux* | ia64*-*-hpux*) |
28690784 JDA |
1989 | gcc_cv_ld_hidden=yes |
1990 | ;; | |
1991 | *) | |
1992 | gcc_cv_ld_hidden=no | |
1993 | ;; | |
1994 | esac | |
8ada417f ZW |
1995 | fi |
1996 | fi]) | |
1997 | libgcc_visibility=no | |
9e944a16 | 1998 | AC_SUBST(libgcc_visibility) |
0f31374d | 1999 | if test $gcc_cv_as_hidden = yes && test $gcc_cv_ld_hidden = yes; then |
8ada417f ZW |
2000 | libgcc_visibility=yes |
2001 | AC_DEFINE(HAVE_GAS_HIDDEN, 1, | |
2002 | [Define if your assembler and linker support .hidden.]) | |
2003 | fi | |
6a9c5260 | 2004 | |
8ada417f ZW |
2005 | # Check if we have .[us]leb128, and support symbol arithmetic with it. |
2006 | gcc_GAS_CHECK_FEATURE([.sleb128 and .uleb128], gcc_cv_as_leb128, | |
2007 | [elf,2,11,0],, | |
2008 | [ .data | |
b7460f24 RH |
2009 | .uleb128 L2 - L1 |
2010 | L1: | |
2011 | .uleb128 1280 | |
2012 | .sleb128 -1010 | |
8ada417f ZW |
2013 | L2:], |
2014 | [# GAS versions before 2.11 do not support uleb128, | |
2015 | # despite appearing to. | |
2016 | # ??? There exists an elf-specific test that will crash | |
2017 | # the assembler. Perhaps it's better to figure out whether | |
2018 | # arbitrary sections are supported and try the test. | |
bace148a | 2019 | as_ver=`$gcc_cv_as --version 2>/dev/null | sed 1q` |
8ada417f | 2020 | if echo "$as_ver" | grep GNU > /dev/null; then |
78e766a0 | 2021 | changequote(,)dnl |
8ada417f ZW |
2022 | as_ver=`echo $as_ver | sed -e 's/GNU assembler \([0-9.][0-9.]*\).*/\1/'` |
2023 | as_major=`echo $as_ver | sed 's/\..*//'` | |
2024 | as_minor=`echo $as_ver | sed 's/[^.]*\.\([0-9]*\).*/\1/'` | |
78e766a0 | 2025 | changequote([,])dnl |
8ada417f ZW |
2026 | if test $as_major -eq 2 && test $as_minor -lt 11 |
2027 | then : | |
2028 | else gcc_cv_as_leb128=yes | |
2029 | fi | |
2030 | fi], | |
2031 | [AC_DEFINE(HAVE_AS_LEB128, 1, | |
2032 | [Define if your assembler supports .sleb128 and .uleb128.])]) | |
2033 | ||
2034 | # GAS versions up to and including 2.11.0 may mis-optimize | |
2035 | # .eh_frame data. | |
2036 | gcc_GAS_CHECK_FEATURE(eh_frame optimization, gcc_cv_as_eh_frame, | |
2037 | [elf,2,12,0],, | |
2038 | [ .text | |
c64688ae RH |
2039 | .LFB1: |
2040 | .4byte 0 | |
2041 | .L1: | |
2042 | .4byte 0 | |
2043 | .LFE1: | |
2044 | .section .eh_frame,"aw",@progbits | |
2045 | __FRAME_BEGIN__: | |
2046 | .4byte .LECIE1-.LSCIE1 | |
2047 | .LSCIE1: | |
2048 | .4byte 0x0 | |
2049 | .byte 0x1 | |
2050 | .ascii "z\0" | |
2051 | .byte 0x1 | |
2052 | .byte 0x78 | |
2053 | .byte 0x1a | |
2054 | .byte 0x0 | |
2055 | .byte 0x4 | |
2056 | .4byte 1 | |
2057 | .p2align 1 | |
2058 | .LECIE1: | |
2059 | .LSFDE1: | |
2060 | .4byte .LEFDE1-.LASFDE1 | |
2061 | .LASFDE1: | |
2062 | .4byte .LASFDE1-__FRAME_BEGIN__ | |
2063 | .4byte .LFB1 | |
2064 | .4byte .LFE1-.LFB1 | |
2065 | .byte 0x4 | |
2066 | .4byte .LFE1-.LFB1 | |
2067 | .byte 0x4 | |
2068 | .4byte .L1-.LFB1 | |
8ada417f | 2069 | .LEFDE1:], |
ba479fd2 NN |
2070 | [ dnl # For autoconf 2.5x, must protect trailing spaces with @&t@. |
2071 | cat > conftest.lit <<EOF | |
c64688ae RH |
2072 | 0000 10000000 00000000 017a0001 781a0004 .........z..x... |
2073 | 0010 01000000 12000000 18000000 00000000 ................ | |
ba479fd2 | 2074 | 0020 08000000 04080000 0044 .........D @&t@ |
01efb963 | 2075 | EOF |
ba479fd2 | 2076 | cat > conftest.big <<EOF |
01efb963 AS |
2077 | 0000 00000010 00000000 017a0001 781a0004 .........z..x... |
2078 | 0010 00000001 00000012 00000018 00000000 ................ | |
ba479fd2 | 2079 | 0020 00000008 04000000 0844 .........D @&t@ |
c64688ae | 2080 | EOF |
8ada417f ZW |
2081 | # If the assembler didn't choke, and we can objdump, |
2082 | # and we got the correct data, then succeed. | |
2083 | if test x$gcc_cv_objdump != x \ | |
2084 | && $gcc_cv_objdump -s -j .eh_frame conftest.o 2>/dev/null \ | |
2085 | | tail -3 > conftest.got \ | |
2086 | && { cmp conftest.lit conftest.got > /dev/null 2>&1 \ | |
2087 | || cmp conftest.big conftest.got > /dev/null 2>&1; } | |
2088 | then | |
2089 | gcc_cv_as_eh_frame=yes | |
2090 | elif AC_TRY_COMMAND($gcc_cv_as -o conftest.o --traditional-format /dev/null); then | |
2091 | gcc_cv_as_eh_frame=buggy | |
2092 | else | |
2093 | # Uh oh, what do we do now? | |
2094 | gcc_cv_as_eh_frame=no | |
2095 | fi]) | |
2096 | ||
2097 | if test $gcc_cv_as_eh_frame = buggy; then | |
2098 | AC_DEFINE(USE_AS_TRADITIONAL_FORMAT, 1, | |
2099 | [Define if your assembler mis-optimizes .eh_frame data.]) | |
201556f0 | 2100 | fi |
201556f0 | 2101 | |
8ada417f ZW |
2102 | gcc_GAS_CHECK_FEATURE(section merging support, gcc_cv_as_shf_merge, |
2103 | [elf,2,12,0], [--fatal-warnings], | |
5d4856a0 RO |
2104 | [.section .rodata.str, "aMS", @progbits, 1]) |
2105 | AC_DEFINE_UNQUOTED(HAVE_GAS_SHF_MERGE, | |
2106 | [`if test $gcc_cv_as_shf_merge = yes; then echo 1; else echo 0; fi`], | |
2107 | [Define 0/1 if your assembler supports marking sections with SHF_MERGE flag.]) | |
8ada417f ZW |
2108 | |
2109 | # Thread-local storage - the check is heavily parametrized. | |
f996902d RH |
2110 | conftest_s= |
2111 | tls_first_major= | |
2112 | tls_first_minor= | |
9739c90c | 2113 | tls_as_opt= |
f996902d RH |
2114 | case "$target" in |
2115 | changequote(,)dnl | |
6f9b006d RH |
2116 | alpha*-*-*) |
2117 | conftest_s=' | |
2118 | .section ".tdata","awT",@progbits | |
2119 | foo: .long 25 | |
2120 | .text | |
2121 | ldq $27,__tls_get_addr($29) !literal!1 | |
2122 | lda $16,foo($29) !tlsgd!1 | |
2123 | jsr $26,($27),__tls_get_addr !lituse_tlsgd!1 | |
2124 | ldq $27,__tls_get_addr($29) !literal!2 | |
2125 | lda $16,foo($29) !tlsldm!2 | |
2126 | jsr $26,($27),__tls_get_addr !lituse_tlsldm!2 | |
2127 | ldq $1,foo($29) !gotdtprel | |
2128 | ldah $2,foo($29) !dtprelhi | |
2129 | lda $3,foo($2) !dtprello | |
2130 | lda $4,foo($29) !dtprel | |
2131 | ldq $1,foo($29) !gottprel | |
2132 | ldah $2,foo($29) !tprelhi | |
2133 | lda $3,foo($2) !tprello | |
2134 | lda $4,foo($29) !tprel' | |
2135 | tls_first_major=2 | |
2136 | tls_first_minor=13 | |
2f3321ca | 2137 | tls_as_opt=--fatal-warnings |
6f9b006d | 2138 | ;; |
f996902d | 2139 | i[34567]86-*-*) |
f996902d RH |
2140 | conftest_s=' |
2141 | .section ".tdata","awT",@progbits | |
2142 | foo: .long 25 | |
2143 | .text | |
2144 | movl %gs:0, %eax | |
2145 | leal foo@TLSGD(,%ebx,1), %eax | |
2146 | leal foo@TLSLDM(%ebx), %eax | |
2147 | leal foo@DTPOFF(%eax), %edx | |
2148 | movl foo@GOTTPOFF(%ebx), %eax | |
2149 | subl foo@GOTTPOFF(%ebx), %eax | |
75d38379 JJ |
2150 | addl foo@GOTNTPOFF(%ebx), %eax |
2151 | movl foo@INDNTPOFF, %eax | |
f996902d RH |
2152 | movl $foo@TPOFF, %eax |
2153 | subl $foo@TPOFF, %eax | |
2154 | leal foo@NTPOFF(%ecx), %eax' | |
2155 | tls_first_major=2 | |
75d38379 | 2156 | tls_first_minor=14 |
2f3321ca | 2157 | tls_as_opt=--fatal-warnings |
75d38379 JJ |
2158 | ;; |
2159 | x86_64-*-*) | |
2160 | conftest_s=' | |
2161 | .section ".tdata","awT",@progbits | |
2162 | foo: .long 25 | |
2163 | .text | |
2164 | movq %fs:0, %rax | |
2165 | leaq foo@TLSGD(%rip), %rdi | |
2166 | leaq foo@TLSLD(%rip), %rdi | |
2167 | leaq foo@DTPOFF(%rax), %rdx | |
2168 | movq foo@GOTTPOFF(%rip), %rax | |
2169 | movq $foo@TPOFF, %rax' | |
2170 | tls_first_major=2 | |
2171 | tls_first_minor=14 | |
2f3321ca | 2172 | tls_as_opt=--fatal-warnings |
f996902d | 2173 | ;; |
7b6e506e RH |
2174 | ia64-*-*) |
2175 | conftest_s=' | |
2176 | .section ".tdata","awT",@progbits | |
2177 | foo: data8 25 | |
2178 | .text | |
2179 | addl r16 = @ltoff(@dtpmod(foo#)), gp | |
2180 | addl r17 = @ltoff(@dtprel(foo#)), gp | |
2181 | addl r18 = @ltoff(@tprel(foo#)), gp | |
2182 | addl r19 = @dtprel(foo#), gp | |
2183 | adds r21 = @dtprel(foo#), r13 | |
2184 | movl r23 = @dtprel(foo#) | |
2185 | addl r20 = @tprel(foo#), gp | |
2186 | adds r22 = @tprel(foo#), r13 | |
2187 | movl r24 = @tprel(foo#)' | |
2188 | tls_first_major=2 | |
2189 | tls_first_minor=13 | |
2f3321ca | 2190 | tls_as_opt=--fatal-warnings |
7b6e506e | 2191 | ;; |
c4501e62 JJ |
2192 | powerpc-*-*) |
2193 | conftest_s=' | |
2194 | .section ".tdata","awT",@progbits | |
2195 | .align 2 | |
2196 | ld0: .space 4 | |
2197 | ld1: .space 4 | |
2198 | x1: .space 4 | |
2199 | x2: .space 4 | |
2200 | x3: .space 4 | |
2201 | .text | |
2202 | addi 3,31,ld0@got@tlsgd | |
2203 | bl __tls_get_addr | |
2204 | addi 3,31,x1@got@tlsld | |
2205 | bl __tls_get_addr | |
2206 | addi 9,3,x1@dtprel | |
2207 | addis 9,3,x2@dtprel@ha | |
2208 | addi 9,9,x2@dtprel@l | |
2209 | lwz 9,x3@got@tprel(31) | |
2210 | add 9,9,x@tls | |
2211 | addi 9,2,x1@tprel | |
2212 | addis 9,2,x2@tprel@ha | |
2213 | addi 9,9,x2@tprel@l' | |
2214 | tls_first_major=2 | |
2215 | tls_first_minor=14 | |
2f3321ca | 2216 | tls_as_opt="-a32 --fatal-warnings" |
c4501e62 JJ |
2217 | ;; |
2218 | powerpc64-*-*) | |
2219 | conftest_s=' | |
2220 | .section ".tdata","awT",@progbits | |
2221 | .align 3 | |
2222 | ld0: .space 8 | |
2223 | ld1: .space 8 | |
2224 | x1: .space 8 | |
2225 | x2: .space 8 | |
2226 | x3: .space 8 | |
2227 | .text | |
2228 | addi 3,2,ld0@got@tlsgd | |
2229 | bl .__tls_get_addr | |
2230 | nop | |
2231 | addi 3,2,ld1@toc | |
2232 | bl .__tls_get_addr | |
2233 | nop | |
2234 | addi 3,2,x1@got@tlsld | |
2235 | bl .__tls_get_addr | |
2236 | nop | |
2237 | addi 9,3,x1@dtprel | |
2238 | bl .__tls_get_addr | |
2239 | nop | |
2240 | addis 9,3,x2@dtprel@ha | |
2241 | addi 9,9,x2@dtprel@l | |
2242 | bl .__tls_get_addr | |
2243 | nop | |
2244 | ld 9,x3@got@dtprel(2) | |
2245 | add 9,9,3 | |
2246 | bl .__tls_get_addr | |
2247 | nop' | |
2248 | tls_first_major=2 | |
2249 | tls_first_minor=14 | |
2f3321ca | 2250 | tls_as_opt="-a64 --fatal-warnings" |
c4501e62 | 2251 | ;; |
fd3cd001 UW |
2252 | s390-*-*) |
2253 | conftest_s=' | |
2254 | .section ".tdata","awT",@progbits | |
2255 | foo: .long 25 | |
2256 | .text | |
2257 | .long foo@TLSGD | |
2258 | .long foo@TLSLDM | |
2259 | .long foo@DTPOFF | |
2260 | .long foo@NTPOFF | |
2261 | .long foo@GOTNTPOFF | |
2262 | .long foo@INDNTPOFF | |
2263 | l %r1,foo@GOTNTPOFF(%r12) | |
2264 | l %r1,0(%r1):tls_load:foo | |
2265 | bas %r14,0(%r1,%r13):tls_gdcall:foo | |
2266 | bas %r14,0(%r1,%r13):tls_ldcall:foo' | |
2267 | tls_first_major=2 | |
2268 | tls_first_minor=14 | |
2f3321ca | 2269 | tls_as_opt="-m31 --fatal-warnings" |
fd3cd001 UW |
2270 | ;; |
2271 | s390x-*-*) | |
2272 | conftest_s=' | |
2273 | .section ".tdata","awT",@progbits | |
2274 | foo: .long 25 | |
2275 | .text | |
2276 | .quad foo@TLSGD | |
2277 | .quad foo@TLSLDM | |
2278 | .quad foo@DTPOFF | |
2279 | .quad foo@NTPOFF | |
2280 | .quad foo@GOTNTPOFF | |
2281 | lg %r1,foo@GOTNTPOFF(%r12) | |
2282 | larl %r1,foo@INDNTPOFF | |
2283 | brasl %r14,__tls_get_offset@PLT:tls_gdcall:foo | |
2284 | brasl %r14,__tls_get_offset@PLT:tls_ldcall:foo' | |
2285 | tls_first_major=2 | |
2286 | tls_first_minor=14 | |
2f3321ca | 2287 | tls_as_opt="-m64 -Aesame --fatal-warnings" |
fd3cd001 | 2288 | ;; |
9ff13962 KK |
2289 | sh-*-* | sh[34]-*-*) |
2290 | conftest_s=' | |
2291 | .section ".tdata","awT",@progbits | |
2292 | foo: .long 25 | |
2293 | .text | |
2294 | .long foo@TLSGD | |
2295 | .long foo@TLSLDM | |
2296 | .long foo@DTPOFF | |
2297 | .long foo@GOTTPOFF | |
2298 | .long foo@TPOFF' | |
2299 | tls_first_major=2 | |
2300 | tls_first_minor=13 | |
2f3321ca | 2301 | tls_as_opt=--fatal-warnings |
9ff13962 | 2302 | ;; |
5751a10b | 2303 | sparc*-*-*) |
2f3321ca EB |
2304 | case "$target" in |
2305 | sparc*-sun-solaris2.*) | |
2306 | on_solaris=yes | |
2307 | ;; | |
2308 | *) | |
2309 | on_solaris=no | |
2310 | ;; | |
2311 | esac | |
2312 | if test x$on_solaris = xyes && test x$gas_flag = xno; then | |
2313 | conftest_s=' | |
2314 | .section ".tdata",#alloc,#write,#tls | |
2315 | foo: .long 25 | |
2316 | .text | |
2317 | sethi %tgd_hi22(foo), %o0 | |
2318 | add %o0, %tgd_lo10(foo), %o1 | |
2319 | add %l7, %o1, %o0, %tgd_add(foo) | |
2320 | call __tls_get_addr, %tgd_call(foo) | |
2321 | sethi %tldm_hi22(foo), %l1 | |
2322 | add %l1, %tldm_lo10(foo), %l2 | |
2323 | add %l7, %l2, %o0, %tldm_add(foo) | |
2324 | call __tls_get_addr, %tldm_call(foo) | |
2325 | sethi %tldo_hix22(foo), %l3 | |
2326 | xor %l3, %tldo_lox10(foo), %l4 | |
2327 | add %o0, %l4, %l5, %tldo_add(foo) | |
2328 | sethi %tie_hi22(foo), %o3 | |
2329 | add %o3, %tie_lo10(foo), %o3 | |
2330 | ld [%l7 + %o3], %o2, %tie_ld(foo) | |
2331 | add %g7, %o2, %o4, %tie_add(foo) | |
2332 | sethi %tle_hix22(foo), %l1 | |
2333 | xor %l1, %tle_lox10(foo), %o5 | |
2334 | ld [%g7 + %o5], %o1' | |
2335 | tls_first_major=0 | |
2336 | tls_first_minor=0 | |
2337 | else | |
2338 | conftest_s=' | |
5751a10b JJ |
2339 | .section ".tdata","awT",@progbits |
2340 | foo: .long 25 | |
2341 | .text | |
2342 | sethi %tgd_hi22(foo), %o0 | |
2343 | add %o0, %tgd_lo10(foo), %o1 | |
2344 | add %l7, %o1, %o0, %tgd_add(foo) | |
2345 | call __tls_get_addr, %tgd_call(foo) | |
2346 | sethi %tldm_hi22(foo), %l1 | |
2347 | add %l1, %tldm_lo10(foo), %l2 | |
2348 | add %l7, %l2, %o0, %tldm_add(foo) | |
2349 | call __tls_get_addr, %tldm_call(foo) | |
2350 | sethi %tldo_hix22(foo), %l3 | |
2351 | xor %l3, %tldo_lox10(foo), %l4 | |
2352 | add %o0, %l4, %l5, %tldo_add(foo) | |
2353 | sethi %tie_hi22(foo), %o3 | |
2354 | add %o3, %tie_lo10(foo), %o3 | |
2355 | ld [%l7 + %o3], %o2, %tie_ld(foo) | |
2356 | add %g7, %o2, %o4, %tie_add(foo) | |
2357 | sethi %tle_hix22(foo), %l1 | |
2358 | xor %l1, %tle_lox10(foo), %o5 | |
2359 | ld [%g7 + %o5], %o1' | |
2360 | tls_first_major=2 | |
2361 | tls_first_minor=14 | |
2f3321ca EB |
2362 | tls_as_opt="-32 --fatal-warnings" |
2363 | fi | |
5751a10b JJ |
2364 | ;; |
2365 | changequote([,])dnl | |
f996902d RH |
2366 | esac |
2367 | if test -z "$tls_first_major"; then | |
8ada417f ZW |
2368 | : # If we don't have a check, assume no support. |
2369 | else | |
2370 | gcc_GAS_CHECK_FEATURE(thread-local storage support, gcc_cv_as_tls, | |
2f3321ca | 2371 | [$tls_first_major,$tls_first_minor,0], [$tls_as_opt], [$conftest_s],, |
8ada417f ZW |
2372 | [AC_DEFINE(HAVE_AS_TLS, 1, |
2373 | [Define if your assembler supports thread-local storage.])]) | |
f996902d | 2374 | fi |
8ada417f ZW |
2375 | |
2376 | # Target-specific assembler checks. | |
f996902d | 2377 | |
275b60d6 | 2378 | case "$target" in |
3a37b08e RH |
2379 | # All TARGET_ABI_OSF targets. |
2380 | alpha*-*-osf* | alpha*-*-linux* | alpha*-*-*bsd*) | |
8ada417f ZW |
2381 | gcc_GAS_CHECK_FEATURE([explicit relocation support], |
2382 | gcc_cv_as_alpha_explicit_relocs, [2,12,0],, | |
2383 | [ .set nomacro | |
3a37b08e RH |
2384 | .text |
2385 | extbl $3, $2, $3 !lituse_bytoff!1 | |
2386 | ldq $2, a($29) !literal!1 | |
2387 | ldq $4, b($29) !literal!2 | |
2388 | ldq_u $3, 0($2) !lituse_base!1 | |
2389 | ldq $27, f($29) !literal!5 | |
2390 | jsr $26, ($27), f !lituse_jsr!5 | |
2391 | ldah $29, 0($26) !gpdisp!3 | |
2392 | lda $0, c($29) !gprel | |
2393 | ldah $1, d($29) !gprelhigh | |
2394 | lda $1, d($1) !gprellow | |
8ada417f ZW |
2395 | lda $29, 0($29) !gpdisp!3],, |
2396 | [AC_DEFINE(HAVE_AS_EXPLICIT_RELOCS, 1, | |
2397 | [Define if your assembler supports explicit relocations.])]) | |
3a37b08e | 2398 | ;; |
e95b1e6a | 2399 | |
682a45fc HPN |
2400 | cris-*-*) |
2401 | gcc_GAS_CHECK_FEATURE([-no-mul-bug-abort option], | |
2402 | gcc_cv_as_cris_no_mul_bug,[2,15,91], | |
2403 | [-no-mul-bug-abort], [.text],, | |
2404 | [AC_DEFINE(HAVE_AS_NO_MUL_BUG_ABORT_OPTION, 1, | |
2405 | [Define if your assembler supports the -no-mul-bug-abort option.])]) | |
2406 | ;; | |
2407 | ||
8ada417f ZW |
2408 | sparc*-*-*) |
2409 | gcc_GAS_CHECK_FEATURE([.register], gcc_cv_as_sparc_register_op,,, | |
2410 | [.register %g2, #scratch],, | |
2411 | [AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1, | |
2412 | [Define if your assembler supports .register.])]) | |
2413 | ||
2414 | gcc_GAS_CHECK_FEATURE([-relax option], gcc_cv_as_sparc_relax,, | |
2415 | [-relax], [.text],, | |
2416 | [AC_DEFINE(HAVE_AS_RELAX_OPTION, 1, | |
2417 | [Define if your assembler supports -relax option.])]) | |
2418 | ||
2419 | gcc_GAS_CHECK_FEATURE([unaligned pcrel relocs], | |
2420 | gcc_cv_as_sparc_ua_pcrel,, | |
2421 | [-K PIC], | |
2422 | [.text | |
2423 | foo: | |
2424 | nop | |
2425 | .data | |
2426 | .align 4 | |
2427 | .byte 0 | |
2428 | .uaword %r_disp32(foo)], | |
2429 | [if test x$gcc_cv_ld != x \ | |
2430 | && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1; then | |
2431 | gcc_cv_as_sparc_ua_pcrel=yes | |
2432 | fi | |
2433 | rm -f conftest], | |
2434 | [AC_DEFINE(HAVE_AS_SPARC_UA_PCREL, 1, | |
17e9e88c | 2435 | [Define if your assembler and linker support unaligned PC relative relocs.]) |
cf7b8b0d | 2436 | |
8ada417f ZW |
2437 | gcc_GAS_CHECK_FEATURE([unaligned pcrel relocs against hidden symbols], |
2438 | gcc_cv_as_sparc_ua_pcrel_hidden,, | |
2439 | [-K PIC], | |
2440 | [.data | |
2441 | .align 4 | |
2442 | .byte 0x31 | |
2443 | .uaword %r_disp32(foo) | |
2444 | .byte 0x32, 0x33, 0x34 | |
2445 | .global foo | |
2446 | .hidden foo | |
2447 | foo: | |
2448 | .skip 4], | |
2449 | [if test x$gcc_cv_ld != x && test x$gcc_cv_objdump != x \ | |
2450 | && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1 \ | |
2451 | && $gcc_cv_objdump -s -j .data conftest 2> /dev/null \ | |
2452 | | grep ' 31000000 07323334' > /dev/null 2>&1; then | |
2453 | if $gcc_cv_objdump -R conftest 2> /dev/null \ | |
2454 | | grep 'DISP32' > /dev/null 2>&1; then | |
2455 | : | |
22252625 | 2456 | else |
8ada417f | 2457 | gcc_cv_as_sparc_ua_pcrel_hidden=yes |
5b68c389 | 2458 | fi |
8ada417f ZW |
2459 | fi |
2460 | rm -f conftest], | |
2461 | [AC_DEFINE(HAVE_AS_SPARC_UA_PCREL_HIDDEN, 1, | |
2462 | [Define if your assembler and linker support unaligned PC relative relocs against hidden symbols.])]) | |
2463 | ]) # unaligned pcrel relocs | |
2464 | ||
2465 | gcc_GAS_CHECK_FEATURE([offsetable %lo()], | |
2466 | gcc_cv_as_sparc_offsetable_lo10,, | |
2467 | [-xarch=v9], | |
2468 | [.text | |
2469 | or %g1, %lo(ab) + 12, %g1 | |
2470 | or %g1, %lo(ab + 12), %g1], | |
2471 | [if test x$gcc_cv_objdump != x \ | |
2472 | && %gcc_cv_objdump -s -j .text conftest.o 2> /dev/null \ | |
2473 | | grep ' 82106000 82106000' > /dev/null 2>&1; then | |
2474 | gcc_cv_as_offsetable_lo10=yes | |
2475 | fi], | |
2476 | [AC_DEFINE(HAVE_AS_OFFSETABLE_LO10, 1, | |
2477 | [Define if your assembler supports offsetable %lo().])]) | |
1cb36a98 RH |
2478 | ;; |
2479 | ||
2480 | changequote(,)dnl | |
c307e6dd | 2481 | i[34567]86-*-* | x86_64-*-*) |
1cb36a98 | 2482 | changequote([,])dnl |
8ada417f ZW |
2483 | gcc_GAS_CHECK_FEATURE([filds and fists mnemonics], |
2484 | gcc_cv_as_ix86_filds_fists, | |
2485 | [2,9,0],, [filds mem; fists mem],, | |
2486 | [AC_DEFINE(HAVE_GAS_FILDS_FISTS, 1, | |
2487 | [Define if your assembler uses the new HImode fild and fist notation.])]) | |
2488 | ||
f6f5dff2 RO |
2489 | gcc_GAS_CHECK_FEATURE([cmov syntax], |
2490 | gcc_cv_as_ix86_cmov_sun_syntax,,, | |
2491 | [cmovl.l %edx, %eax],, | |
2492 | [AC_DEFINE(HAVE_AS_IX86_CMOV_SUN_SYNTAX, 1, | |
2493 | [Define if your assembler supports the Sun syntax for cmov.])]) | |
2494 | ||
6f3ca281 ZW |
2495 | # This one is used unconditionally by i386.[ch]; it is to be defined |
2496 | # to 1 if the feature is present, 0 otherwise. | |
8ada417f ZW |
2497 | gcc_GAS_CHECK_FEATURE([GOTOFF in data], |
2498 | gcc_cv_as_ix86_gotoff_in_data, [2,11,0],, | |
2499 | [ .text | |
f88c65f7 RH |
2500 | .L0: |
2501 | nop | |
2502 | .data | |
6f3ca281 ZW |
2503 | .long .L0@GOTOFF]) |
2504 | AC_DEFINE_UNQUOTED(HAVE_AS_GOTOFF_IN_DATA, | |
2505 | [`if test $gcc_cv_as_ix86_gotoff_in_data = yes; then echo 1; else echo 0; fi`], | |
2506 | [Define true if the assembler supports '.long foo@GOTOFF'.]) | |
1cb36a98 | 2507 | ;; |
ef1ecf87 RH |
2508 | |
2509 | ia64*-*-*) | |
8ada417f ZW |
2510 | gcc_GAS_CHECK_FEATURE([ltoffx and ldxmov relocs], |
2511 | gcc_cv_as_ia64_ltoffx_ldxmov_relocs, [2,14,0],, | |
cfa9ee99 | 2512 | [ .text |
ef1ecf87 RH |
2513 | addl r15 = @ltoffx(x#), gp |
2514 | ;; | |
cfa9ee99 | 2515 | ld8.mov r16 = [[r15]], x#],, |
8ada417f ZW |
2516 | [AC_DEFINE(HAVE_AS_LTOFFX_LDXMOV_RELOCS, 1, |
2517 | [Define if your assembler supports ltoffx and ldxmov relocations.])]) | |
2518 | ||
ef1ecf87 | 2519 | ;; |
8ada417f | 2520 | |
2c4a9cff | 2521 | powerpc*-*-*) |
8ada417f | 2522 | case $target in |
6b37db3c DE |
2523 | *-*-aix*) conftest_s=' .csect .text[[PR]] |
2524 | mfcr 3,128';; | |
2525 | *-*-darwin*) conftest_s=' .text | |
2526 | mfcr r3,128';; | |
2527 | *) conftest_s=' .text | |
2528 | mfcr 3,128';; | |
8ada417f | 2529 | esac |
8ada417f ZW |
2530 | |
2531 | gcc_GAS_CHECK_FEATURE([mfcr field support], | |
2532 | gcc_cv_as_powerpc_mfcrf, [2,14,0],, | |
2533 | [$conftest_s],, | |
2534 | [AC_DEFINE(HAVE_AS_MFCRF, 1, | |
2535 | [Define if your assembler supports mfcr field.])]) | |
2c4a9cff | 2536 | ;; |
53b5ce19 | 2537 | |
8ada417f ZW |
2538 | mips*-*-*) |
2539 | gcc_GAS_CHECK_FEATURE([explicit relocation support], | |
2540 | gcc_cv_as_mips_explicit_relocs, [2,14,0],, | |
2541 | [ lw $4,%gp_rel(foo)($4)],, | |
2542 | [if test x$target_cpu_default = x | |
2543 | then target_cpu_default=MASK_EXPLICIT_RELOCS | |
2544 | else target_cpu_default="($target_cpu_default)|MASK_EXPLICIT_RELOCS" | |
2545 | fi]) | |
2546 | ||
2547 | ;; | |
2548 | esac | |
9d147085 RH |
2549 | # ??? Not all targets support dwarf2 debug_line, even within a version |
2550 | # of gas. Moreover, we need to emit a valid instruction to trigger any | |
2551 | # info to the output file. So, as supported targets are added to gas 2.11, | |
2552 | # add some instruction here to (also) show we expect this might work. | |
2553 | # ??? Once 2.11 is released, probably need to add first known working | |
2554 | # version to the per-target configury. | |
2555 | case "$target" in | |
80486e06 | 2556 | i?86*-*-* | mips*-*-* | alpha*-*-* | powerpc*-*-* | sparc*-*-* | m68*-*-* \ |
2853bc5a | 2557 | | x86_64*-*-* | hppa*-*-* | arm*-*-* | strongarm*-*-* | xscale*-*-* \ |
d116bdf8 | 2558 | | xstormy16*-*-* | cris-*-* | xtensa-*-*) |
9d147085 RH |
2559 | insn="nop" |
2560 | ;; | |
57116d8d | 2561 | ia64*-*-* | s390*-*-*) |
9d147085 RH |
2562 | insn="nop 0" |
2563 | ;; | |
2853bc5a HPN |
2564 | mmix-*-*) |
2565 | insn="swym 0" | |
2566 | ;; | |
8ada417f ZW |
2567 | esac |
2568 | if test x"$insn" != x; then | |
2569 | conftest_s="\ | |
2570 | .file 1 \"conftest.s\" | |
2571 | .loc 1 3 0 | |
2572 | $insn" | |
2573 | gcc_GAS_CHECK_FEATURE([dwarf2 debug_line support], | |
2574 | gcc_cv_as_dwarf2_debug_line, | |
2575 | [elf,2,11,0],, [$conftest_s], | |
2576 | [# ??? This fails with non-gnu grep. Maybe use objdump? | |
2577 | if grep debug_line conftest.o > /dev/null 2>&1; then | |
2578 | gcc_cv_as_dwarf2_debug_line=yes | |
2579 | fi]) | |
2580 | ||
2581 | # The .debug_line file table must be in the exact order that | |
2582 | # we specified the files, since these indices are also used | |
2583 | # by DW_AT_decl_file. Approximate this test by testing if | |
2584 | # the assembler bitches if the same index is assigned twice. | |
2585 | gcc_GAS_CHECK_FEATURE([buggy dwarf2 .file directive], | |
2586 | gcc_cv_as_dwarf2_file_buggy,,, | |
2587 | [ .file 1 "foo.s" | |
2588 | .file 1 "bar.s"]) | |
2589 | ||
2590 | if test $gcc_cv_as_dwarf2_debug_line = yes \ | |
2591 | && test $gcc_cv_as_dwarf2_file_buggy = no; then | |
9d147085 | 2592 | AC_DEFINE(HAVE_AS_DWARF2_DEBUG_LINE, 1, |
8ada417f | 2593 | [Define if your assembler supports dwarf2 .file/.loc directives, |
eaec9b3d | 2594 | and preserves file table indices exactly as given.]) |
8ada417f ZW |
2595 | fi |
2596 | ||
2597 | gcc_GAS_CHECK_FEATURE([--gdwarf2 option], | |
2598 | gcc_cv_as_gdwarf2_flag, | |
2599 | [elf,2,11,0], [--gdwarf2], [$insn],, | |
2600 | [AC_DEFINE(HAVE_AS_GDWARF2_DEBUG_FLAG, 1, | |
2601 | [Define if your assembler supports the --gdwarf2 option.])]) | |
2602 | ||
2603 | gcc_GAS_CHECK_FEATURE([--gstabs option], | |
2604 | gcc_cv_as_gstabs_flag, | |
2605 | [elf,2,11,0], [--gstabs], [$insn], | |
2606 | [# The native Solaris 9/Intel assembler doesn't understand --gstabs | |
2607 | # and warns about it, but still exits successfully. So check for | |
2608 | # this. | |
2609 | if AC_TRY_COMMAND([$gcc_cv_as --gstabs -o conftest.o conftest.s 2>&1 | grep -i warning > /dev/null]) | |
2610 | then : | |
2611 | else gcc_cv_as_gstabs_flag=yes | |
2612 | fi], | |
2613 | [AC_DEFINE(HAVE_AS_GSTABS_DEBUG_FLAG, 1, | |
2614 | [Define if your assembler supports the --gstabs option.])]) | |
9d147085 | 2615 | fi |
5f0e9ea2 | 2616 | |
96d0f4dc JJ |
2617 | AC_MSG_CHECKING(linker read-only and read-write section mixing) |
2618 | gcc_cv_ld_ro_rw_mix=unknown | |
34a86c2b | 2619 | if test $in_tree_ld = yes ; then |
5408ac6c HPN |
2620 | if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 10 -o "$gcc_cv_gld_major_version" -gt 2 \ |
2621 | && test $in_tree_ld_is_elf = yes; then | |
96d0f4dc JJ |
2622 | gcc_cv_ld_ro_rw_mix=read-write |
2623 | fi | |
2624 | elif test x$gcc_cv_as != x -a x$gcc_cv_ld != x -a x$gcc_cv_objdump != x ; then | |
90e145da KC |
2625 | echo '.section myfoosect, "a"' > conftest1.s |
2626 | echo '.section myfoosect, "aw"' > conftest2.s | |
96d0f4dc | 2627 | echo '.byte 1' >> conftest2.s |
90e145da | 2628 | echo '.section myfoosect, "a"' > conftest3.s |
96d0f4dc | 2629 | echo '.byte 0' >> conftest3.s |
6cd656d0 KC |
2630 | if $gcc_cv_as -o conftest1.o conftest1.s > /dev/null 2>&1 \ |
2631 | && $gcc_cv_as -o conftest2.o conftest2.s > /dev/null 2>&1 \ | |
2632 | && $gcc_cv_as -o conftest3.o conftest3.s > /dev/null 2>&1 \ | |
96d0f4dc | 2633 | && $gcc_cv_ld -shared -o conftest1.so conftest1.o \ |
c6cc7e13 | 2634 | conftest2.o conftest3.o > /dev/null 2>&1; then |
96d0f4dc | 2635 | gcc_cv_ld_ro_rw_mix=`$gcc_cv_objdump -h conftest1.so \ |
c6cc7e13 | 2636 | | sed -e '/myfoosect/!d' -e N` |
96d0f4dc JJ |
2637 | if echo "$gcc_cv_ld_ro_rw_mix" | grep CONTENTS > /dev/null; then |
2638 | if echo "$gcc_cv_ld_ro_rw_mix" | grep READONLY > /dev/null; then | |
2639 | gcc_cv_ld_ro_rw_mix=read-only | |
2640 | else | |
2641 | gcc_cv_ld_ro_rw_mix=read-write | |
2642 | fi | |
2643 | fi | |
2644 | fi | |
2645 | changequote(,)dnl | |
2646 | rm -f conftest.* conftest[123].* | |
2647 | changequote([,])dnl | |
2648 | fi | |
2649 | if test x$gcc_cv_ld_ro_rw_mix = xread-write; then | |
2650 | AC_DEFINE(HAVE_LD_RO_RW_SECTION_MIXING, 1, | |
2651 | [Define if your linker links a mix of read-only | |
2652 | and read-write sections into a read-write section.]) | |
2653 | fi | |
2654 | AC_MSG_RESULT($gcc_cv_ld_ro_rw_mix) | |
2655 | ||
275b60d6 JJ |
2656 | AC_MSG_CHECKING(linker PT_GNU_EH_FRAME support) |
2657 | gcc_cv_ld_eh_frame_hdr=no | |
34a86c2b | 2658 | if test $in_tree_ld = yes ; then |
5408ac6c HPN |
2659 | if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 12 -o "$gcc_cv_gld_major_version" -gt 2 \ |
2660 | && test $in_tree_ld_is_elf = yes; then | |
275b60d6 JJ |
2661 | gcc_cv_ld_eh_frame_hdr=yes |
2662 | fi | |
2663 | elif test x$gcc_cv_ld != x; then | |
2664 | # Check if linker supports --eh-frame-hdr option | |
2665 | if $gcc_cv_ld --help 2>/dev/null | grep eh-frame-hdr > /dev/null; then | |
2666 | gcc_cv_ld_eh_frame_hdr=yes | |
2667 | fi | |
2668 | fi | |
2669 | if test x"$gcc_cv_ld_eh_frame_hdr" = xyes; then | |
2670 | AC_DEFINE(HAVE_LD_EH_FRAME_HDR, 1, | |
2671 | [Define if your linker supports --eh-frame-hdr option.]) | |
2672 | fi | |
2673 | AC_MSG_RESULT($gcc_cv_ld_eh_frame_hdr) | |
2674 | ||
24a4dd31 JJ |
2675 | AC_MSG_CHECKING(linker position independent executable support) |
2676 | gcc_cv_ld_pie=no | |
2677 | if test $in_tree_ld = yes ; then | |
5408ac6c HPN |
2678 | if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 15 -o "$gcc_cv_gld_major_version" -gt 2 \ |
2679 | && test $in_tree_ld_is_elf = yes; then | |
24a4dd31 JJ |
2680 | gcc_cv_ld_pie=yes |
2681 | fi | |
2682 | elif test x$gcc_cv_ld != x; then | |
2683 | # Check if linker supports -pie option | |
2684 | if $gcc_cv_ld --help 2>/dev/null | grep -- -pie > /dev/null; then | |
2685 | gcc_cv_ld_pie=yes | |
2686 | fi | |
2687 | fi | |
2688 | if test x"$gcc_cv_ld_pie" = xyes; then | |
2689 | AC_DEFINE(HAVE_LD_PIE, 1, | |
2690 | [Define if your linker supports -pie option.]) | |
2691 | fi | |
2692 | AC_MSG_RESULT($gcc_cv_ld_pie) | |
2693 | ||
630327c3 NN |
2694 | # -------- |
2695 | # UNSORTED | |
2696 | # -------- | |
2697 | ||
9fb28a67 | 2698 | if test x$with_sysroot = x && test x$host = x$target \ |
047d636f | 2699 | && test "$prefix" != "/usr" && test "x$prefix" != "x$local_prefix" ; then |
8ada417f ZW |
2700 | AC_DEFINE_UNQUOTED(PREFIX_INCLUDE_DIR, "$prefix/include", |
2701 | [Define to PREFIX/include if cpp should also search that directory.]) | |
793e9558 PB |
2702 | fi |
2703 | ||
81bf3d9e RH |
2704 | # Find out what GC implementation we want, or may, use. |
2705 | AC_ARG_WITH(gc, | |
59415997 | 2706 | [ --with-gc={page,zone} choose the garbage collection mechanism to use |
e8bec136 | 2707 | with the compiler], |
81bf3d9e | 2708 | [case "$withval" in |
59415997 | 2709 | page | zone) |
81bf3d9e RH |
2710 | GGC=ggc-$withval |
2711 | ;; | |
2712 | *) | |
2713 | AC_MSG_ERROR([$withval is an invalid option to --with-gc]) | |
2714 | ;; | |
2715 | esac], | |
130fadbb | 2716 | [GGC=ggc-page]) |
81bf3d9e RH |
2717 | AC_SUBST(GGC) |
2718 | echo "Using $GGC for garbage collection." | |
2719 | ||
3c809ba4 | 2720 | # Use the system's zlib library. |
b8dad04b ZW |
2721 | zlibdir=-L../zlib |
2722 | zlibinc="-I\$(srcdir)/../zlib" | |
3c809ba4 AG |
2723 | AC_ARG_WITH(system-zlib, |
2724 | [ --with-system-zlib use installed libz], | |
2725 | zlibdir= | |
2726 | zlibinc= | |
2727 | ) | |
2728 | AC_SUBST(zlibdir) | |
2729 | AC_SUBST(zlibinc) | |
2730 | ||
dc6746e7 PT |
2731 | dnl Very limited version of automake's enable-maintainer-mode |
2732 | ||
2733 | AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) | |
2734 | dnl maintainer-mode is disabled by default | |
2735 | AC_ARG_ENABLE(maintainer-mode, | |
e8bec136 RO |
2736 | [ --enable-maintainer-mode |
2737 | enable make rules and dependencies not useful | |
dc6746e7 PT |
2738 | (and sometimes confusing) to the casual installer], |
2739 | maintainer_mode=$enableval, | |
2740 | maintainer_mode=no) | |
2741 | ||
2742 | AC_MSG_RESULT($maintainer_mode) | |
2743 | ||
2744 | if test "$maintainer_mode" = "yes"; then | |
2745 | MAINT='' | |
2746 | else | |
2747 | MAINT='#' | |
2748 | fi | |
2749 | AC_SUBST(MAINT)dnl | |
2750 | ||
630327c3 NN |
2751 | # -------------- |
2752 | # Language hooks | |
2753 | # -------------- | |
2754 | ||
571a8de5 DE |
2755 | # Make empty files to contain the specs and options for each language. |
2756 | # Then add #include lines to for a compiler that has specs and/or options. | |
2757 | ||
d7b42618 | 2758 | lang_opt_files= |
571a8de5 | 2759 | lang_specs_files= |
3103b7db | 2760 | lang_tree_files= |
571a8de5 DE |
2761 | for subdir in . $subdirs |
2762 | do | |
d7b42618 NB |
2763 | if test -f $srcdir/$subdir/lang.opt; then |
2764 | lang_opt_files="$lang_opt_files $srcdir/$subdir/lang.opt" | |
2765 | fi | |
75bffa71 | 2766 | if test -f $srcdir/$subdir/lang-specs.h; then |
0d24f4d1 | 2767 | lang_specs_files="$lang_specs_files $srcdir/$subdir/lang-specs.h" |
571a8de5 | 2768 | fi |
3103b7db | 2769 | if test -f $srcdir/$subdir/$subdir-tree.def; then |
0d24f4d1 | 2770 | lang_tree_files="$lang_tree_files $srcdir/$subdir/$subdir-tree.def" |
3103b7db | 2771 | fi |
571a8de5 DE |
2772 | done |
2773 | ||
2774 | # These (without "all_") are set in each config-lang.in. | |
2775 | # `language' must be a single word so is spelled singularly. | |
2776 | all_languages= | |
2777 | all_boot_languages= | |
2778 | all_compilers= | |
2779 | all_stagestuff= | |
6eb95e99 | 2780 | all_outputs='Makefile fixinc/Makefile gccbug mklibgcc mkheaders' |
571a8de5 | 2781 | # List of language makefile fragments. |
2ed26f6b ZW |
2782 | all_lang_makefrags= |
2783 | # List of language subdirectory makefiles. Deprecated. | |
571a8de5 | 2784 | all_lang_makefiles= |
e2500fed | 2785 | # Files for gengtype |
ef69da62 | 2786 | all_gtfiles="$target_gtfiles" |
8ac9d31f TJ |
2787 | # Files for gengtype with language |
2788 | all_gtfiles_files_langs= | |
2789 | all_gtfiles_files_files= | |
571a8de5 DE |
2790 | |
2791 | # Add the language fragments. | |
2792 | # Languages are added via two mechanisms. Some information must be | |
2793 | # recorded in makefile variables, these are defined in config-lang.in. | |
2794 | # We accumulate them and plug them into the main Makefile. | |
2795 | # The other mechanism is a set of hooks for each of the main targets | |
2796 | # like `clean', `install', etc. | |
2797 | ||
571a8de5 DE |
2798 | language_hooks="Make-hooks" |
2799 | ||
c406e779 | 2800 | for s in $subdirs |
571a8de5 | 2801 | do |
571a8de5 DE |
2802 | language= |
2803 | boot_language= | |
2804 | compilers= | |
2805 | stagestuff= | |
0280cf84 | 2806 | outputs= |
e2500fed | 2807 | gtfiles= |
571a8de5 | 2808 | . ${srcdir}/$s/config-lang.in |
75bffa71 | 2809 | if test "x$language" = x |
571a8de5 DE |
2810 | then |
2811 | echo "${srcdir}/$s/config-lang.in doesn't set \$language." 1>&2 | |
2812 | exit 1 | |
2813 | fi | |
2ed26f6b | 2814 | all_lang_makefrags="$all_lang_makefrags \$(srcdir)/$s/Make-lang.in" |
72aaffbd | 2815 | if test -f ${srcdir}/$s/Makefile.in |
2ed26f6b | 2816 | then all_lang_makefiles="$s/Makefile" |
72aaffbd | 2817 | fi |
571a8de5 | 2818 | all_languages="$all_languages $language" |
75bffa71 | 2819 | if test "x$boot_language" = xyes |
571a8de5 DE |
2820 | then |
2821 | all_boot_languages="$all_boot_languages $language" | |
2822 | fi | |
2823 | all_compilers="$all_compilers $compilers" | |
2824 | all_stagestuff="$all_stagestuff $stagestuff" | |
0280cf84 | 2825 | all_outputs="$all_outputs $outputs" |
e2500fed | 2826 | all_gtfiles="$all_gtfiles $gtfiles" |
c406e779 | 2827 | for f in $gtfiles |
8ac9d31f | 2828 | do |
8ac9d31f TJ |
2829 | all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} " |
2830 | all_gtfiles_files_files="$all_gtfiles_files_files ${f} " | |
8ac9d31f | 2831 | done |
571a8de5 DE |
2832 | done |
2833 | ||
8ac9d31f TJ |
2834 | # Pick up gtfiles for c |
2835 | gtfiles= | |
2836 | s="c" | |
2837 | . ${srcdir}/c-config-lang.in | |
2838 | all_gtfiles="$all_gtfiles $gtfiles" | |
c406e779 | 2839 | for f in $gtfiles |
8ac9d31f | 2840 | do |
8ac9d31f TJ |
2841 | all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} " |
2842 | all_gtfiles_files_files="$all_gtfiles_files_files ${f} " | |
8ac9d31f TJ |
2843 | done |
2844 | ||
cbc59f01 | 2845 | check_languages= |
c406e779 | 2846 | for language in $all_languages |
cbc59f01 | 2847 | do |
cbc59f01 | 2848 | check_languages="$check_languages check-$language" |
cbc59f01 DD |
2849 | done |
2850 | ||
62b81e45 MM |
2851 | # We link each language in with a set of hooks, reached indirectly via |
2852 | # lang.${target}. | |
571a8de5 DE |
2853 | |
2854 | rm -f Make-hooks | |
2855 | touch Make-hooks | |
65ebbf81 | 2856 | target_list="all.build all.cross start.encap rest.encap tags \ |
97ae108d | 2857 | install-normal install-common install-man \ |
a541f69d | 2858 | uninstall info man srcextra srcman srcinfo \ |
a03ad584 | 2859 | mostlyclean clean distclean maintainer-clean \ |
8f231b5d | 2860 | stage1 stage2 stage3 stage4 stageprofile stagefeedback" |
571a8de5 DE |
2861 | for t in $target_list |
2862 | do | |
2863 | x= | |
c406e779 | 2864 | for lang in $all_languages |
571a8de5 | 2865 | do |
ab87f8c8 | 2866 | x="$x $lang.$t" |
571a8de5 DE |
2867 | done |
2868 | echo "lang.$t: $x" >> Make-hooks | |
2869 | done | |
2870 | ||
630327c3 NN |
2871 | # -------- |
2872 | # UNSORTED | |
2873 | # -------- | |
2874 | ||
cc06d68c | 2875 | # Create .gdbinit. |
296e46bd | 2876 | |
cc06d68c GP |
2877 | echo "dir ." > .gdbinit |
2878 | echo "dir ${srcdir}" >> .gdbinit | |
2879 | if test x$gdb_needs_out_file_path = xyes | |
2880 | then | |
2881 | echo "dir ${srcdir}/config/"`dirname ${out_file}` >> .gdbinit | |
2882 | fi | |
2883 | if test "x$subdirs" != x; then | |
2884 | for s in $subdirs | |
2885 | do | |
2886 | echo "dir ${srcdir}/$s" >> .gdbinit | |
2887 | done | |
296e46bd | 2888 | fi |
cc06d68c | 2889 | echo "source ${srcdir}/gdbinit.in" >> .gdbinit |
296e46bd | 2890 | |
8f8d3278 NC |
2891 | # If $(exec_prefix) exists and is not the same as $(prefix), then compute an |
2892 | # absolute path for gcc_tooldir based on inserting the number of up-directory | |
2893 | # movements required to get from $(exec_prefix) to $(prefix) into the basic | |
2894 | # $(libsubdir)/@(unlibsubdir) based path. | |
82cbf8f7 JL |
2895 | # Don't set gcc_tooldir to tooldir since that's only passed in by the toplevel |
2896 | # make and thus we'd get different behavior depending on where we built the | |
2897 | # sources. | |
5949a9fc | 2898 | if test x$exec_prefix = xNONE -o x$exec_prefix = x$prefix; then |
caa55b1e | 2899 | gcc_tooldir='$(libsubdir)/$(unlibsubdir)/../$(target_noncanonical)' |
d062c304 | 2900 | else |
8f8d3278 NC |
2901 | changequote(<<, >>)dnl |
2902 | # An explanation of the sed strings: | |
2903 | # -e 's|^\$(prefix)||' matches and eliminates 'prefix' from 'exec_prefix' | |
2904 | # -e 's|/$||' match a trailing forward slash and eliminates it | |
2905 | # -e 's|^[^/]|/|' forces the string to start with a forward slash (*) | |
ff7cc307 | 2906 | # -e 's|/[^/]*|../|g' replaces each occurrence of /<directory> with ../ |
8f8d3278 NC |
2907 | # |
2908 | # (*) Note this pattern overwrites the first character of the string | |
2909 | # with a forward slash if one is not already present. This is not a | |
2910 | # problem because the exact names of the sub-directories concerned is | |
2911 | # unimportant, just the number of them matters. | |
2912 | # | |
2913 | # The practical upshot of these patterns is like this: | |
2914 | # | |
2915 | # prefix exec_prefix result | |
2916 | # ------ ----------- ------ | |
2917 | # /foo /foo/bar ../ | |
2918 | # /foo/ /foo/bar ../ | |
2919 | # /foo /foo/bar/ ../ | |
2920 | # /foo/ /foo/bar/ ../ | |
2921 | # /foo /foo/bar/ugg ../../ | |
2922 | # | |
4c112cda | 2923 | dollar='$$' |
caa55b1e | 2924 | gcc_tooldir="\$(libsubdir)/\$(unlibsubdir)/\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/\$(dollar)||' -e 's|^[^/]|/|' -e 's|/[^/]*|../|g'\`\$(target_noncanonical)" |
8f8d3278 | 2925 | changequote([, ])dnl |
d062c304 JL |
2926 | fi |
2927 | AC_SUBST(gcc_tooldir) | |
4c112cda | 2928 | AC_SUBST(dollar) |
d062c304 | 2929 | |
2bbea3a6 RH |
2930 | # Find a directory in which to install a shared libgcc. |
2931 | ||
2932 | AC_ARG_ENABLE(version-specific-runtime-libs, | |
e8bec136 RO |
2933 | [ --enable-version-specific-runtime-libs |
2934 | specify that runtime libraries should be | |
2935 | installed in a compiler-specific directory]) | |
2bbea3a6 | 2936 | |
5b15f277 RH |
2937 | AC_ARG_WITH(slibdir, |
2938 | [ --with-slibdir=DIR shared libraries in DIR [LIBDIR]], | |
2939 | slibdir="$with_slibdir", | |
2940 | if test "${enable_version_specific_runtime_libs+set}" = set; then | |
2bbea3a6 | 2941 | slibdir='$(libsubdir)' |
5b15f277 | 2942 | elif test "$host" != "$target"; then |
2bbea3a6 RH |
2943 | slibdir='$(build_tooldir)/lib' |
2944 | else | |
5b15f277 RH |
2945 | slibdir='$(libdir)' |
2946 | fi) | |
2bbea3a6 RH |
2947 | AC_SUBST(slibdir) |
2948 | ||
1e6347d8 | 2949 | objdir=`${PWDCMD-pwd}` |
7e717196 JL |
2950 | AC_SUBST(objdir) |
2951 | ||
46f18e7b RK |
2952 | # Substitute configuration variables |
2953 | AC_SUBST(subdirs) | |
8ac9d31f | 2954 | AC_SUBST(srcdir) |
46f18e7b RK |
2955 | AC_SUBST(all_boot_languages) |
2956 | AC_SUBST(all_compilers) | |
e2500fed | 2957 | AC_SUBST(all_gtfiles) |
8ac9d31f TJ |
2958 | AC_SUBST(all_gtfiles_files_langs) |
2959 | AC_SUBST(all_gtfiles_files_files) | |
2ed26f6b | 2960 | AC_SUBST(all_lang_makefrags) |
9f3d1bc2 BK |
2961 | AC_SUBST(all_lang_makefiles) |
2962 | AC_SUBST(all_languages) | |
9f3d1bc2 BK |
2963 | AC_SUBST(all_stagestuff) |
2964 | AC_SUBST(build_exeext) | |
2965 | AC_SUBST(build_install_headers_dir) | |
2966 | AC_SUBST(build_xm_file_list) | |
e22340b0 | 2967 | AC_SUBST(build_xm_include_list) |
11642c3a | 2968 | AC_SUBST(build_xm_defines) |
cbc59f01 | 2969 | AC_SUBST(check_languages) |
9f3d1bc2 | 2970 | AC_SUBST(cc_set_by_configure) |
5aa82ace | 2971 | AC_SUBST(quoted_cc_set_by_configure) |
9f3d1bc2 | 2972 | AC_SUBST(cpp_install_dir) |
2ed26f6b ZW |
2973 | AC_SUBST(xmake_file) |
2974 | AC_SUBST(tmake_file) | |
30500d84 | 2975 | AC_SUBST(extra_gcc_objs) |
9f3d1bc2 | 2976 | AC_SUBST(extra_headers_list) |
46f18e7b | 2977 | AC_SUBST(extra_objs) |
9f3d1bc2 BK |
2978 | AC_SUBST(extra_parts) |
2979 | AC_SUBST(extra_passes) | |
2980 | AC_SUBST(extra_programs) | |
9f3d1bc2 | 2981 | AC_SUBST(float_h_file) |
cc1e60ea | 2982 | AC_SUBST(gcc_config_arguments) |
9f3d1bc2 | 2983 | AC_SUBST(gcc_gxx_include_dir) |
e2187d3b | 2984 | AC_SUBST(libstdcxx_incdir) |
9f3d1bc2 | 2985 | AC_SUBST(gcc_version) |
8763704d | 2986 | AC_SUBST(gcc_version_full) |
9f3d1bc2 BK |
2987 | AC_SUBST(gcc_version_trigger) |
2988 | AC_SUBST(host_exeext) | |
46f18e7b | 2989 | AC_SUBST(host_xm_file_list) |
e22340b0 | 2990 | AC_SUBST(host_xm_include_list) |
11642c3a | 2991 | AC_SUBST(host_xm_defines) |
476d9098 | 2992 | AC_SUBST(out_host_hook_obj) |
9f3d1bc2 | 2993 | AC_SUBST(install) |
d7b42618 | 2994 | AC_SUBST(lang_opt_files) |
9f3d1bc2 | 2995 | AC_SUBST(lang_specs_files) |
3103b7db | 2996 | AC_SUBST(lang_tree_files) |
46f18e7b | 2997 | AC_SUBST(local_prefix) |
9f3d1bc2 BK |
2998 | AC_SUBST(md_file) |
2999 | AC_SUBST(objc_boehm_gc) | |
3000 | AC_SUBST(out_file) | |
3001 | AC_SUBST(out_object_file) | |
46f18e7b | 3002 | AC_SUBST(stage_prefix_set_by_configure) |
596151e1 | 3003 | AC_SUBST(quoted_stage_prefix_set_by_configure) |
e9a25f70 | 3004 | AC_SUBST(symbolic_link) |
9f3d1bc2 BK |
3005 | AC_SUBST(thread_file) |
3006 | AC_SUBST(tm_file_list) | |
e22340b0 | 3007 | AC_SUBST(tm_include_list) |
d5355cb2 | 3008 | AC_SUBST(tm_defines) |
11642c3a | 3009 | AC_SUBST(tm_p_file_list) |
e22340b0 ZW |
3010 | AC_SUBST(tm_p_include_list) |
3011 | AC_SUBST(xm_file_list) | |
3012 | AC_SUBST(xm_include_list) | |
3d9d2476 | 3013 | AC_SUBST(xm_defines) |
caa55b1e | 3014 | AC_SUBST(target_noncanonical) |
aac69a49 NC |
3015 | AC_SUBST(c_target_objs) |
3016 | AC_SUBST(cxx_target_objs) | |
11642c3a | 3017 | AC_SUBST(target_cpu_default) |
46f18e7b | 3018 | |
46f18e7b RK |
3019 | AC_SUBST_FILE(language_hooks) |
3020 | ||
a541f69d KC |
3021 | # If it doesn't already exist, create document directory |
3022 | echo "checking for the document directory." 1>&2 | |
3023 | if test -d doc ; then | |
3024 | true | |
3025 | else | |
3026 | mkdir doc | |
3027 | fi | |
3028 | ||
7903cebc NN |
3029 | # Echo link setup. |
3030 | if test x${build} = x${host} ; then | |
3031 | if test x${host} = x${target} ; then | |
3032 | echo "Links are now set up to build a native compiler for ${target}." 1>&2 | |
3033 | else | |
3034 | echo "Links are now set up to build a cross-compiler" 1>&2 | |
3035 | echo " from ${host} to ${target}." 1>&2 | |
3036 | fi | |
46f18e7b | 3037 | else |
7903cebc NN |
3038 | if test x${host} = x${target} ; then |
3039 | echo "Links are now set up to build (on ${build}) a native compiler" 1>&2 | |
3040 | echo " for ${target}." 1>&2 | |
3041 | else | |
3042 | echo "Links are now set up to build (on ${build}) a cross-compiler" 1>&2 | |
3043 | echo " from ${host} to ${target}." 1>&2 | |
3044 | fi | |
46f18e7b RK |
3045 | fi |
3046 | ||
3047 | # Configure the subdirectories | |
3048 | # AC_CONFIG_SUBDIRS($subdirs) | |
3049 | ||
3050 | # Create the Makefile | |
5891b37d | 3051 | # and configure language subdirectories |
914c5af7 NN |
3052 | AC_CONFIG_FILES($all_outputs) |
3053 | ||
3054 | AC_CONFIG_COMMANDS([default], | |
cdcc6a01 | 3055 | [ |
f1faaabd NN |
3056 | case ${CONFIG_HEADERS} in |
3057 | *auto-host.h:config.in*) | |
3058 | echo > cstamp-h ;; | |
cdcc6a01 | 3059 | esac |
2ed26f6b | 3060 | # Make sure all the subdirs exist. |
c406e779 | 3061 | for d in $subdirs |
2ed26f6b | 3062 | do |
2ed26f6b | 3063 | test -d $d || mkdir $d |
2ed26f6b | 3064 | done |
93cf819d BK |
3065 | # If the host supports symlinks, point stage[1234] at ../stage[1234] so |
3066 | # bootstrapping and the installation procedure can still use | |
3067 | # CC="stage1/xgcc -Bstage1/". If the host doesn't support symlinks, | |
3068 | # FLAGS_TO_PASS has been modified to solve the problem there. | |
3069 | # This is virtually a duplicate of what happens in configure.lang; we do | |
3070 | # an extra check to make sure this only happens if ln -s can be used. | |
75bffa71 | 3071 | if test "$symbolic_link" = "ln -s"; then |
c406e779 | 3072 | for d in ${subdirs} fixinc ; do |
1e6347d8 | 3073 | STARTDIR=`${PWDCMD-pwd}` |
4e8a434e | 3074 | cd $d |
8f231b5d | 3075 | for t in stage1 stage2 stage3 stage4 stageprofile stagefeedback include |
4e8a434e BK |
3076 | do |
3077 | rm -f $t | |
3078 | $symbolic_link ../$t $t 2>/dev/null | |
3079 | done | |
3080 | cd $STARTDIR | |
93cf819d BK |
3081 | done |
3082 | else true ; fi | |
0d24f4d1 ZW |
3083 | ], |
3084 | [subdirs='$subdirs' | |
3085 | symbolic_link='$symbolic_link' | |
cdcc6a01 | 3086 | ]) |
914c5af7 | 3087 | AC_OUTPUT |