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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 | ||
ba479fd2 | 28 | AC_PREREQ(2.57) |
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 | ||
160 | AC_ARG_ENABLE(generated-files-in-srcdir, | |
161 | [ --enable-generated-files-in-srcdir Put generated files in source dir], | |
162 | [case ${enableval} in | |
163 | no) parsedir='$(objdir)'; docobjdir='$(objdir)/doc';; | |
941ba69d | 164 | *) parsedir='$(srcdir)'; docobjdir='$(srcdir)/doc';; |
51b9ff45 KC |
165 | esac], |
166 | [parsedir='$(objdir)'; docobjdir='$(objdir)/doc';]) | |
167 | ||
34a86c2b NN |
168 | # ------------------- |
169 | # Find default linker | |
170 | # ------------------- | |
46f18e7b RK |
171 | |
172 | # With GNU ld | |
173 | AC_ARG_WITH(gnu-ld, | |
174 | [ --with-gnu-ld arrange to work with GNU ld.], | |
df6faf79 JW |
175 | gnu_ld_flag="$with_gnu_ld", |
176 | gnu_ld_flag=no) | |
46f18e7b | 177 | |
ab339d62 AO |
178 | # With pre-defined ld |
179 | AC_ARG_WITH(ld, | |
e8bec136 | 180 | [ --with-ld arrange to use the specified ld (full pathname)], |
3ccc3a56 AO |
181 | DEFAULT_LINKER="$with_ld") |
182 | if test x"${DEFAULT_LINKER+set}" = x"set"; then | |
183 | if test ! -x "$DEFAULT_LINKER"; then | |
184 | AC_MSG_WARN([cannot execute: $DEFAULT_LINKER: check --with-ld or env. var. DEFAULT_LINKER]) | |
e154a394 | 185 | elif $DEFAULT_LINKER -v < /dev/null 2>&1 | grep GNU > /dev/null; then |
ab339d62 AO |
186 | gnu_ld_flag=yes |
187 | fi | |
119d24d1 KG |
188 | AC_DEFINE_UNQUOTED(DEFAULT_LINKER,"$DEFAULT_LINKER", |
189 | [Define to enable the use of a default linker.]) | |
ab339d62 AO |
190 | fi |
191 | ||
34a86c2b NN |
192 | AC_MSG_CHECKING([whether a default linker was specified]) |
193 | if test x"${DEFAULT_LINKER+set}" = x"set"; then | |
194 | if test x"$gnu_ld_flag" = x"no"; then | |
195 | AC_MSG_RESULT([yes ($DEFAULT_LINKER)]) | |
196 | else | |
197 | AC_MSG_RESULT([yes ($DEFAULT_LINKER - GNU ld)]) | |
198 | fi | |
199 | else | |
200 | AC_MSG_RESULT(no) | |
201 | fi | |
202 | ||
203 | # ---------------------- | |
204 | # Find default assembler | |
205 | # ---------------------- | |
206 | ||
46f18e7b RK |
207 | # With GNU as |
208 | AC_ARG_WITH(gnu-as, | |
e8bec136 | 209 | [ --with-gnu-as arrange to work with GNU as], |
df6faf79 JW |
210 | gas_flag="$with_gnu_as", |
211 | gas_flag=no) | |
46f18e7b | 212 | |
ab339d62 | 213 | AC_ARG_WITH(as, |
e8bec136 | 214 | [ --with-as arrange to use the specified as (full pathname)], |
3ccc3a56 AO |
215 | DEFAULT_ASSEMBLER="$with_as") |
216 | if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then | |
217 | if test ! -x "$DEFAULT_ASSEMBLER"; then | |
218 | AC_MSG_WARN([cannot execute: $DEFAULT_ASSEMBLER: check --with-as or env. var. DEFAULT_ASSEMBLER]) | |
e154a394 | 219 | elif $DEFAULT_ASSEMBLER -v < /dev/null 2>&1 | grep GNU > /dev/null; then |
ab339d62 AO |
220 | gas_flag=yes |
221 | fi | |
119d24d1 KG |
222 | AC_DEFINE_UNQUOTED(DEFAULT_ASSEMBLER,"$DEFAULT_ASSEMBLER", |
223 | [Define to enable the use of a default assembler.]) | |
3ccc3a56 | 224 | fi |
ab339d62 | 225 | |
34a86c2b NN |
226 | AC_MSG_CHECKING([whether a default assembler was specified]) |
227 | if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then | |
228 | if test x"$gas_flag" = x"no"; then | |
229 | AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER)]) | |
4e88d51b | 230 | else |
34a86c2b | 231 | AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER - GNU as)]) |
4e88d51b | 232 | fi |
34a86c2b NN |
233 | else |
234 | AC_MSG_RESULT(no) | |
4e88d51b | 235 | fi |
46f18e7b | 236 | |
34a86c2b NN |
237 | # --------------- |
238 | # Find C compiler | |
239 | # --------------- | |
13c22933 | 240 | |
414d23ae HPN |
241 | # Find the native compiler |
242 | AC_PROG_CC | |
243 | AC_PROG_CC_C_O | |
244 | # autoconf is lame and doesn't give us any substitution variable for this. | |
245 | if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then | |
246 | NO_MINUS_C_MINUS_O=yes | |
247 | else | |
248 | OUTPUT_OPTION='-o $@' | |
249 | fi | |
250 | AC_SUBST(NO_MINUS_C_MINUS_O) | |
251 | AC_SUBST(OUTPUT_OPTION) | |
252 | ||
73458fb7 NN |
253 | # ------------------------- |
254 | # Check C compiler features | |
255 | # ------------------------- | |
256 | ||
414d23ae HPN |
257 | AC_CACHE_CHECK(whether ${CC-cc} accepts -Wno-long-long, |
258 | ac_cv_prog_cc_no_long_long, | |
259 | [save_CFLAGS="$CFLAGS" | |
260 | CFLAGS="-Wno-long-long" | |
261 | AC_TRY_COMPILE(,,ac_cv_prog_cc_no_long_long=yes, | |
262 | ac_cv_prog_cc_no_long_long=no) | |
263 | CFLAGS="$save_CFLAGS"]) | |
264 | ||
34a86c2b NN |
265 | AC_PROG_CPP |
266 | AC_C_INLINE | |
34a86c2b | 267 | |
34a86c2b NN |
268 | gcc_AC_C_LONG_LONG |
269 | gcc_AC_C__BOOL | |
270 | ||
271 | # sizeof(char) is 1 by definition. | |
75b6f3fd | 272 | AC_COMPILE_CHECK_SIZEOF(void *) |
34a86c2b NN |
273 | AC_COMPILE_CHECK_SIZEOF(short) |
274 | AC_COMPILE_CHECK_SIZEOF(int) | |
275 | AC_COMPILE_CHECK_SIZEOF(long) | |
276 | if test $ac_cv_c_long_long = yes; then | |
277 | AC_COMPILE_CHECK_SIZEOF(long long) | |
278 | fi | |
279 | if test $ac_cv_c___int64 = yes; then | |
280 | AC_COMPILE_CHECK_SIZEOF(__int64) | |
281 | fi | |
282 | ||
34a86c2b NN |
283 | # ----------------- |
284 | # Find Ada compiler | |
285 | # ----------------- | |
286 | ||
287 | # See if GNAT has been installed | |
288 | gcc_AC_PROG_GNAT | |
289 | ||
34a86c2b NN |
290 | # --------------------- |
291 | # Warnings and checking | |
292 | # --------------------- | |
293 | ||
414d23ae | 294 | strict1_warn= |
f73ccc50 | 295 | if test $ac_cv_prog_cc_no_long_long = yes ; then |
414d23ae HPN |
296 | strict1_warn="-pedantic -Wno-long-long" |
297 | fi | |
298 | AC_SUBST(strict1_warn) | |
299 | ||
414d23ae HPN |
300 | # If the native compiler is GCC, we can enable warnings even in stage1. |
301 | # That's useful for people building cross-compilers, or just running a | |
302 | # quick `make'. | |
303 | warn_cflags= | |
304 | if test "x$GCC" = "xyes"; then | |
305 | warn_cflags='$(GCC_WARN_CFLAGS)' | |
306 | fi | |
307 | AC_SUBST(warn_cflags) | |
308 | ||
dd859b8a KG |
309 | # Enable -Werror in bootstrap stage2 and later. |
310 | # Change the default to "no" on release branches. | |
311 | AC_ARG_ENABLE(werror, | |
312 | [ --enable-werror enable -Werror in bootstrap stage2 and later], [], | |
313 | [enable_werror=yes]) | |
314 | if test x$enable_werror = xyes ; then | |
315 | WERROR=-Werror | |
316 | fi | |
317 | AC_SUBST(WERROR) | |
318 | ||
a494747c MM |
319 | # Enable expensive internal checks |
320 | AC_ARG_ENABLE(checking, | |
f4524c9e ZW |
321 | [ --enable-checking[=LIST] |
322 | enable expensive run-time checks. With LIST, | |
323 | enable only specific categories of checks. | |
5dfa45d0 | 324 | Categories are: misc,tree,rtl,rtlflag,gc,gcac,fold; |
4c76f856 | 325 | default is misc,tree,gc,rtlflag], |
119d24d1 KG |
326 | [ac_checking= |
327 | ac_tree_checking= | |
328 | ac_rtl_checking= | |
4c76f856 | 329 | ac_rtlflag_checking= |
119d24d1 KG |
330 | ac_gc_checking= |
331 | ac_gc_always_collect= | |
5dfa45d0 | 332 | ac_fold_checking= |
119d24d1 | 333 | case "${enableval}" in |
4c76f856 JJ |
334 | yes) ac_checking=1 ; ac_tree_checking=1 ; ac_gc_checking=1 ; |
335 | ac_rtlflag_checking=1 ;; | |
4e88d51b | 336 | no) ;; |
59f406b7 | 337 | *) IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS," |
f4524c9e ZW |
338 | set fnord $enableval; shift |
339 | IFS="$ac_save_IFS" | |
c62e45ad KG |
340 | for check |
341 | do | |
f4524c9e | 342 | case $check in |
119d24d1 KG |
343 | misc) ac_checking=1 ;; |
344 | tree) ac_tree_checking=1 ;; | |
4c76f856 | 345 | rtlflag) ac_rtlflag_checking=1 ;; |
119d24d1 KG |
346 | rtl) ac_rtl_checking=1 ;; |
347 | gc) ac_gc_checking=1 ;; | |
348 | gcac) ac_gc_always_collect=1 ;; | |
5dfa45d0 | 349 | fold) ac_fold_checking=1 ;; |
414d23ae | 350 | valgrind) ac_checking_valgrind=1 ;; |
f4524c9e ZW |
351 | *) AC_MSG_ERROR(unknown check category $check) ;; |
352 | esac | |
353 | done | |
354 | ;; | |
119d24d1 | 355 | esac |
51d0e20c AJ |
356 | ], |
357 | # Enable some checks by default for development versions of GCC | |
4c76f856 | 358 | [ac_checking=1; ac_tree_checking=1; ac_gc_checking=1; ac_rtlflag_checking=1;]) |
204250d2 | 359 | nocommon_flag="" |
119d24d1 KG |
360 | if test x$ac_checking != x ; then |
361 | AC_DEFINE(ENABLE_CHECKING, 1, | |
362 | [Define if you want more run-time sanity checks. This one gets a grab | |
363 | bag of miscellaneous but relatively cheap checks.]) | |
204250d2 | 364 | nocommon_flag=-fno-common |
119d24d1 | 365 | fi |
204250d2 | 366 | AC_SUBST(nocommon_flag) |
119d24d1 KG |
367 | if test x$ac_tree_checking != x ; then |
368 | AC_DEFINE(ENABLE_TREE_CHECKING, 1, | |
369 | [Define if you want all operations on trees (the basic data | |
370 | structure of the front ends) to be checked for dynamic type safety | |
371 | at runtime. This is moderately expensive.]) | |
372 | fi | |
373 | if test x$ac_rtl_checking != x ; then | |
374 | AC_DEFINE(ENABLE_RTL_CHECKING, 1, | |
375 | [Define if you want all operations on RTL (the basic data structure | |
376 | of the optimizer and back end) to be checked for dynamic type safety | |
377 | at runtime. This is quite expensive.]) | |
378 | fi | |
4c76f856 JJ |
379 | if test x$ac_rtlflag_checking != x ; then |
380 | AC_DEFINE(ENABLE_RTL_FLAG_CHECKING, 1, | |
381 | [Define if you want RTL flag accesses to be checked against the RTL | |
382 | codes that are supported for each access macro. This is relatively | |
383 | cheap.]) | |
384 | fi | |
119d24d1 KG |
385 | if test x$ac_gc_checking != x ; then |
386 | AC_DEFINE(ENABLE_GC_CHECKING, 1, | |
387 | [Define if you want the garbage collector to do object poisoning and | |
388 | other memory allocation checks. This is quite expensive.]) | |
389 | fi | |
390 | if test x$ac_gc_always_collect != x ; then | |
391 | AC_DEFINE(ENABLE_GC_ALWAYS_COLLECT, 1, | |
392 | [Define if you want the garbage collector to operate in maximally | |
393 | paranoid mode, validating the entire heap and collecting garbage at | |
394 | every opportunity. This is extremely expensive.]) | |
395 | fi | |
5dfa45d0 JJ |
396 | if test x$ac_fold_checking != x ; then |
397 | AC_DEFINE(ENABLE_FOLD_CHECKING, 1, | |
398 | [Define if you want fold checked that it never destructs its argument. | |
399 | This is quite expensive.]) | |
400 | fi | |
414d23ae HPN |
401 | valgrind_path_defines= |
402 | valgrind_command= | |
6938ec6c NN |
403 | |
404 | dnl # This check AC_REQUIREs various stuff, so it *must not* be inside | |
405 | dnl # an if statement. This was the source of very frustrating bugs | |
406 | dnl # in converting to autoconf 2.5x! | |
407 | AC_CHECK_HEADER(valgrind.h, have_valgrind_h=yes, have_valgrind_h=no) | |
408 | ||
414d23ae HPN |
409 | if test x$ac_checking_valgrind != x ; then |
410 | # It is certainly possible that there's valgrind but no valgrind.h. | |
411 | # GCC relies on making annotations so we must have both. | |
a207b594 HPN |
412 | AC_MSG_CHECKING(for VALGRIND_DISCARD in <valgrind/memcheck.h>) |
413 | AC_TRY_CPP( | |
414 | [#include <valgrind/memcheck.h> | |
415 | #ifndef VALGRIND_DISCARD | |
416 | #error VALGRIND_DISCARD not defined | |
417 | #endif], | |
418 | [gcc_cv_header_valgrind_memcheck_h=yes], | |
419 | [gcc_cv_header_valgrind_memcheck_h=no]) | |
420 | AC_MSG_RESULT($gcc_cv_header_valgrind_memcheck_h) | |
14011ca4 AJ |
421 | AC_MSG_CHECKING(for VALGRIND_DISCARD in <memcheck.h>) |
422 | AC_TRY_CPP( | |
423 | [#include <memcheck.h> | |
424 | #ifndef VALGRIND_DISCARD | |
425 | #error VALGRIND_DISCARD not defined | |
426 | #endif], | |
427 | [gcc_cv_header_memcheck_h=yes], | |
428 | gcc_cv_header_memcheck_h=no) | |
429 | AC_MSG_RESULT($gcc_cv_header_memcheck_h) | |
414d23ae HPN |
430 | AM_PATH_PROG_WITH_TEST(valgrind_path, valgrind, |
431 | [$ac_dir/$ac_word --version | grep valgrind- >/dev/null 2>&1]) | |
a207b594 HPN |
432 | if test "x$valgrind_path" = "x" \ |
433 | || (test $have_valgrind_h = no \ | |
434 | && test $gcc_cv_header_memcheck_h = no \ | |
435 | && test $gcc_cv_header_valgrind_memcheck_h = no); then | |
436 | AC_MSG_ERROR([*** Can't find both valgrind and valgrind/memcheck.h, memcheck.h or valgrind.h]) | |
414d23ae HPN |
437 | fi |
438 | valgrind_path_defines=-DVALGRIND_PATH='\"'$valgrind_path'\"' | |
439 | valgrind_command="$valgrind_path -q" | |
440 | AC_DEFINE(ENABLE_VALGRIND_CHECKING, 1, | |
441 | [Define if you want to run subprograms and generated programs | |
442 | through valgrind (a memory checker). This is extremely expensive.]) | |
a207b594 HPN |
443 | if test $gcc_cv_header_valgrind_memcheck_h = yes; then |
444 | AC_DEFINE(HAVE_VALGRIND_MEMCHECK_H, 1, | |
445 | [Define if valgrind's valgrind/memcheck.h header is installed.]) | |
446 | fi | |
14011ca4 AJ |
447 | if test $gcc_cv_header_memcheck_h = yes; then |
448 | AC_DEFINE(HAVE_MEMCHECK_H, 1, | |
449 | [Define if valgrind's memcheck.h header is installed.]) | |
450 | fi | |
414d23ae HPN |
451 | fi |
452 | AC_SUBST(valgrind_path_defines) | |
453 | AC_SUBST(valgrind_command) | |
51d0e20c | 454 | |
22aa533e NS |
455 | # Enable code coverage collection |
456 | AC_ARG_ENABLE(coverage, | |
457 | [ --enable-coverage[=LEVEL] | |
458 | enable compiler\'s code coverage collection. | |
459 | Use to measure compiler performance and locate | |
8601608f | 460 | unused parts of the compiler. With LEVEL, specify |
22aa533e NS |
461 | optimization. Values are opt, noopt, |
462 | default is noopt], | |
463 | [case "${enableval}" in | |
464 | yes|noopt) | |
e61a2eb7 | 465 | coverage_flags="-fprofile-arcs -ftest-coverage -frandom-seed=\$@ -O0" |
22aa533e NS |
466 | ;; |
467 | opt) | |
e61a2eb7 | 468 | coverage_flags="-fprofile-arcs -ftest-coverage -frandom-seed=\$@ -O2" |
22aa533e NS |
469 | ;; |
470 | *) | |
471 | AC_MSG_ERROR(unknown coverage setting $enableval) | |
472 | ;; | |
473 | esac], | |
2043c38e | 474 | [coverage_flags=""]) |
22aa533e NS |
475 | AC_SUBST(coverage_flags) |
476 | ||
439a7e54 DN |
477 | AC_ARG_ENABLE(gather-detailed-mem-stats, |
478 | [ --enable-gather-detailed-mem-stats enable detailed memory allocation stats gathering], [], | |
479 | [enable_gather_detailed_mem_stats=no]) | |
480 | if test x$enable_gather_detailed_mem_stats = xyes ; then | |
481 | AC_DEFINE(GATHER_STATISTICS, 1, | |
482 | [Define to enable detailed memory allocation stats gathering.]) | |
483 | fi | |
484 | ||
73458fb7 NN |
485 | # ------------------------------- |
486 | # Miscenalleous configure options | |
487 | # ------------------------------- | |
34a86c2b NN |
488 | |
489 | # With stabs | |
490 | AC_ARG_WITH(stabs, | |
491 | [ --with-stabs arrange to use stabs instead of host debug format], | |
492 | stabs="$with_stabs", | |
493 | stabs=no) | |
494 | ||
34a86c2b NN |
495 | # Determine whether or not multilibs are enabled. |
496 | AC_ARG_ENABLE(multilib, | |
497 | [ --enable-multilib enable library support for multiple ABIs], | |
498 | [], [enable_multilib=yes]) | |
499 | AC_SUBST(enable_multilib) | |
3ecc3258 | 500 | |
4bafaa6f L |
501 | # Enable __cxa_atexit for C++. |
502 | AC_ARG_ENABLE(__cxa_atexit, | |
503 | [ --enable-__cxa_atexit enable __cxa_atexit for C++], | |
504 | [], []) | |
2121a768 | 505 | |
0bbb1697 RK |
506 | # Enable threads |
507 | # Pass with no value to take the default | |
508 | # Pass with a value to specify a thread package | |
509 | AC_ARG_ENABLE(threads, | |
e8bec136 RO |
510 | [ --enable-threads enable thread usage for target GCC |
511 | --enable-threads=LIB use LIB thread package for target GCC],, | |
0bbb1697 | 512 | enable_threads='') |
c2e494a8 | 513 | # Save in case it gets overwritten in config.gcc |
e445171e | 514 | enable_threads_flag=$enable_threads |
0bbb1697 | 515 | |
d8bb17c8 OP |
516 | AC_ARG_ENABLE(objc-gc, |
517 | [ --enable-objc-gc enable the use of Boehm's garbage collector with | |
e8bec136 | 518 | the GNU Objective-C runtime], |
2618c083 | 519 | if test x$enable_objc_gc = xno; then |
d8bb17c8 OP |
520 | objc_boehm_gc='' |
521 | else | |
522 | objc_boehm_gc=1 | |
523 | fi, | |
524 | objc_boehm_gc='') | |
525 | ||
90e6a802 | 526 | AC_ARG_WITH(dwarf2, |
e8bec136 | 527 | [ --with-dwarf2 force the default debug format to be DWARF 2], |
90e6a802 RL |
528 | dwarf2="$with_dwarf2", |
529 | dwarf2=no) | |
530 | ||
50503ac8 | 531 | AC_ARG_ENABLE(shared, |
e8bec136 | 532 | [ --disable-shared don't provide a shared libgcc], |
c785e0fa AO |
533 | [ |
534 | case $enable_shared in | |
535 | yes | no) ;; | |
536 | *) | |
537 | enable_shared=no | |
538 | IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:," | |
539 | for pkg in $enableval; do | |
540 | if test "X$pkg" = "Xgcc" || test "X$pkg" = "Xlibgcc"; then | |
541 | enable_shared=yes | |
542 | fi | |
543 | done | |
544 | IFS="$ac_save_ifs" | |
545 | ;; | |
546 | esac | |
547 | ], [enable_shared=yes]) | |
50503ac8 RH |
548 | AC_SUBST(enable_shared) |
549 | ||
4977bab6 ZW |
550 | AC_ARG_WITH(sysroot, |
551 | [ --with-sysroot[=DIR] Search for usr/lib, usr/include, et al, within DIR.], | |
552 | [ | |
553 | case ${with_sysroot} in | |
caa55b1e | 554 | yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_noncanonical}/sys-root' ;; |
4977bab6 ZW |
555 | *) TARGET_SYSTEM_ROOT=$with_sysroot ;; |
556 | esac | |
557 | ||
558 | TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"' | |
559 | CROSS_SYSTEM_HEADER_DIR='$(TARGET_SYSTEM_ROOT)$(NATIVE_SYSTEM_HEADER_DIR)' | |
047d636f DJ |
560 | |
561 | if test "x$exec_prefix" = xNONE; then | |
562 | if test "x$prefix" = xNONE; then | |
563 | test_prefix=/usr/local | |
564 | else | |
565 | test_prefix=$prefix | |
566 | fi | |
567 | else | |
568 | test_prefix=$exec_prefix | |
569 | fi | |
570 | case ${TARGET_SYSTEM_ROOT} in | |
91710e62 AO |
571 | "${test_prefix}"|"${test_prefix}/"*|\ |
572 | '${exec_prefix}'|'${exec_prefix}/'*) | |
047d636f DJ |
573 | t="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE" |
574 | TARGET_SYSTEM_ROOT_DEFINE="$t" | |
575 | ;; | |
576 | esac | |
4977bab6 ZW |
577 | ], [ |
578 | TARGET_SYSTEM_ROOT= | |
db720d9a | 579 | TARGET_SYSTEM_ROOT_DEFINE= |
4977bab6 ZW |
580 | CROSS_SYSTEM_HEADER_DIR='$(gcc_tooldir)/sys-include' |
581 | ]) | |
582 | AC_SUBST(TARGET_SYSTEM_ROOT) | |
583 | AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE) | |
584 | AC_SUBST(CROSS_SYSTEM_HEADER_DIR) | |
585 | ||
d1bd0ded | 586 | # Build with intermodule optimisations |
d1bd0ded GK |
587 | AC_ARG_ENABLE(intermodule, |
588 | [ --enable-intermodule build the compiler in one step], | |
0c46c5c7 KC |
589 | [case ${enable_intermodule} in |
590 | yes) onestep="-onestep";; | |
591 | *) onestep="";; | |
592 | esac], | |
593 | [onestep=""]) | |
d1bd0ded GK |
594 | AC_SUBST(onestep) |
595 | ||
73458fb7 NN |
596 | # ------------------------- |
597 | # Checks for other programs | |
598 | # ------------------------- | |
61842080 | 599 | |
e9a25f70 JL |
600 | AC_PROG_MAKE_SET |
601 | ||
46f18e7b RK |
602 | # Find some useful tools |
603 | AC_PROG_AWK | |
2c4902b9 NN |
604 | # We need awk to run opts.sh (to create options.c and options.h). |
605 | # Bail out if it's missing. | |
606 | case ${AWK} in | |
607 | "") AC_MSG_ERROR([can't build without awk, bailing out]) ;; | |
608 | esac | |
609 | ||
99e757d5 KG |
610 | gcc_AC_PROG_LN |
611 | gcc_AC_PROG_LN_S | |
46f18e7b | 612 | AC_PROG_RANLIB |
99e757d5 | 613 | gcc_AC_PROG_INSTALL |
46f18e7b | 614 | |
3a000df0 KC |
615 | # See if cmp has --ignore-initial. |
616 | gcc_AC_PROG_CMP_IGNORE_INITIAL | |
617 | ||
955be633 JM |
618 | # See if we have the mktemp command. |
619 | AC_CHECK_PROG(have_mktemp_command, mktemp, yes, no) | |
620 | ||
09fa0705 ZW |
621 | # Do we have a single-tree copy of texinfo? |
622 | if test -f $srcdir/../texinfo/Makefile.in; then | |
623 | MAKEINFO='$(objdir)/../texinfo/makeinfo/makeinfo' | |
624 | gcc_cv_prog_makeinfo_modern=yes | |
625 | AC_MSG_RESULT([Using makeinfo from the unified source tree.]) | |
626 | else | |
627 | # See if makeinfo has been installed and is modern enough | |
628 | # that we can use it. | |
629 | gcc_AC_CHECK_PROG_VER(MAKEINFO, makeinfo, --version, | |
630 | [GNU texinfo.* \([0-9][0-9.]*\)], | |
a38f87a9 | 631 | [4.[2-9]*]) |
09fa0705 ZW |
632 | fi |
633 | ||
634 | if test $gcc_cv_prog_makeinfo_modern = no; then | |
635 | AC_MSG_WARN([ | |
636 | *** Makeinfo is missing or too old. | |
17db6582 | 637 | *** Info documentation will not be built.]) |
09fa0705 | 638 | BUILD_INFO= |
09fa0705 ZW |
639 | else |
640 | BUILD_INFO=info AC_SUBST(BUILD_INFO) | |
09fa0705 ZW |
641 | fi |
642 | ||
3f896fc2 JM |
643 | # Is pod2man recent enough to regenerate manpages? |
644 | AC_MSG_CHECKING([for recent Pod::Man]) | |
7be33370 | 645 | if (perl -e 'use 1.10 Pod::Man') >/dev/null 2>&1; then |
fd939e46 JM |
646 | AC_MSG_RESULT(yes) |
647 | GENERATED_MANPAGES=generated-manpages AC_SUBST(GENERATED_MANPAGES) | |
648 | else | |
649 | AC_MSG_RESULT(no) | |
650 | GENERATED_MANPAGES= | |
651 | fi | |
652 | ||
1e608388 ZW |
653 | # How about lex? |
654 | dnl Don't use AC_PROG_LEX; we insist on flex. | |
655 | dnl LEXLIB is not useful in gcc. | |
656 | if test -f $srcdir/../flex/skel.c; then | |
657 | FLEX='$(objdir)/../flex/flex' | |
658 | else | |
9118405f | 659 | AC_CHECK_PROG(FLEX, flex, flex, ${CONFIG_SHELL-/bin/sh} ${srcdir}/../missing flex) |
1e608388 ZW |
660 | fi |
661 | ||
662 | # Bison? | |
663 | # The -L switch is so bison can find its skeleton file. | |
664 | if test -f $srcdir/../bison/bison.simple; then | |
665 | BISON='$(objdir)/../bison/bison -L $(srcdir)/../bison/' | |
666 | else | |
9118405f | 667 | AC_CHECK_PROG(BISON, bison, bison, ${CONFIG_SHELL-/bin/sh} ${srcdir}/../missing bison) |
1e608388 ZW |
668 | fi |
669 | ||
73458fb7 NN |
670 | # -------------------- |
671 | # Checks for C headers | |
672 | # -------------------- | |
673 | ||
674 | AC_MSG_CHECKING(for GNU C library) | |
675 | AC_CACHE_VAL(gcc_cv_glibc, | |
676 | [AC_TRY_COMPILE( | |
677 | [#include <features.h>],[ | |
678 | #if ! (defined __GLIBC__ || defined __GNU_LIBRARY__) | |
679 | #error Not a GNU C library system | |
680 | #endif], | |
681 | [gcc_cv_glibc=yes], | |
682 | gcc_cv_glibc=no)]) | |
683 | AC_MSG_RESULT($gcc_cv_glibc) | |
684 | if test $gcc_cv_glibc = yes; then | |
685 | AC_DEFINE(_GNU_SOURCE, 1, [Always define this when using the GNU C Library]) | |
686 | fi | |
687 | ||
ca9bc441 NN |
688 | # Need to reject headers which give warnings, so that the -Werror bootstrap |
689 | # works later. *sigh* This needs to come before all header checks. | |
690 | AC_PROG_CPP_WERROR | |
691 | ||
73458fb7 NN |
692 | AC_HEADER_STDC |
693 | AC_HEADER_TIME | |
694 | gcc_AC_HEADER_STDBOOL | |
695 | gcc_AC_HEADER_STRING | |
696 | AC_HEADER_SYS_WAIT | |
697 | AC_CHECK_HEADERS(limits.h stddef.h string.h strings.h stdlib.h time.h \ | |
1072ec3f | 698 | fcntl.h unistd.h sys/file.h sys/time.h sys/mman.h \ |
73458fb7 | 699 | sys/resource.h sys/param.h sys/times.h sys/stat.h \ |
56694dd9 | 700 | direct.h malloc.h langinfo.h ldfcn.h locale.h wchar.h) |
73458fb7 NN |
701 | |
702 | # Check for thread headers. | |
703 | AC_CHECK_HEADER(thread.h, [have_thread_h=yes], [have_thread_h=]) | |
704 | AC_CHECK_HEADER(pthread.h, [have_pthread_h=yes], [have_pthread_h=]) | |
705 | ||
706 | # These tests can't be done till we know if we have limits.h. | |
707 | gcc_AC_C_CHAR_BIT | |
708 | AC_C_BIGENDIAN_CROSS | |
73458fb7 NN |
709 | |
710 | # -------- | |
711 | # UNSORTED | |
712 | # -------- | |
713 | ||
714 | # Stage specific cflags for build. | |
715 | stage1_cflags= | |
716 | case $build in | |
717 | vax-*-*) | |
718 | if test x$GCC = xyes | |
719 | then | |
720 | stage1_cflags="-Wa,-J" | |
721 | else | |
722 | stage1_cflags="-J" | |
723 | fi | |
724 | ;; | |
725 | powerpc-*-darwin*) | |
726 | # The spiffy cpp-precomp chokes on some legitimate constructs in GCC | |
727 | # sources; use -no-cpp-precomp to get to GNU cpp. | |
728 | # Apple's GCC has bugs in designated initializer handling, so disable | |
729 | # that too. | |
730 | stage1_cflags="-no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0" | |
731 | ;; | |
732 | esac | |
733 | AC_SUBST(stage1_cflags) | |
734 | ||
4e70264f ZW |
735 | # These libraries may be used by collect2. |
736 | # We may need a special search path to get them linked. | |
737 | AC_CACHE_CHECK(for collect2 libraries, gcc_cv_collect2_libs, | |
738 | [save_LIBS="$LIBS" | |
7f2749d4 | 739 | for libs in '' -lld -lmld \ |
4e70264f ZW |
740 | '-L/usr/lib/cmplrs/cc2.11 -lmld' \ |
741 | '-L/usr/lib/cmplrs/cc3.11 -lmld' | |
742 | do | |
743 | LIBS="$libs" | |
744 | AC_TRY_LINK_FUNC(ldopen, | |
745 | [gcc_cv_collect2_libs="$libs"; break]) | |
746 | done | |
747 | LIBS="$save_LIBS" | |
748 | test -z "$gcc_cv_collect2_libs" && gcc_cv_collect2_libs='none required']) | |
749 | case $gcc_cv_collect2_libs in | |
750 | "none required") ;; | |
751 | *) COLLECT2_LIBS=$gcc_cv_collect2_libs ;; | |
752 | esac | |
753 | AC_SUBST(COLLECT2_LIBS) | |
754 | ||
7f2749d4 RK |
755 | # When building Ada code on Alpha, we need exc_resume which is usually in |
756 | # -lexc. So test for it. | |
757 | save_LIBS="$LIBS" | |
758 | LIBS= | |
759 | AC_SEARCH_LIBS(exc_resume, exc) | |
760 | GNAT_LIBEXC="$LIBS" | |
761 | LIBS="$save_LIBS" | |
762 | AC_SUBST(GNAT_LIBEXC) | |
763 | ||
62c9aa5f ZW |
764 | # Some systems put ldexp and frexp in libm instead of libc; assume |
765 | # they're both in the same place. jcf-dump needs them. | |
766 | save_LIBS="$LIBS" | |
767 | LIBS= | |
768 | AC_SEARCH_LIBS(ldexp, m) | |
769 | LDEXP_LIB="$LIBS" | |
770 | LIBS="$save_LIBS" | |
771 | AC_SUBST(LDEXP_LIB) | |
772 | ||
7636d567 JW |
773 | # Use <inttypes.h> only if it exists, |
774 | # doesn't clash with <sys/types.h>, and declares intmax_t. | |
775 | AC_MSG_CHECKING(for inttypes.h) | |
776 | AC_CACHE_VAL(gcc_cv_header_inttypes_h, | |
777 | [AC_TRY_COMPILE( | |
778 | [#include <sys/types.h> | |
779 | #include <inttypes.h>], | |
780 | [intmax_t i = -1;], | |
9da0e39b | 781 | [gcc_cv_header_inttypes_h=yes], |
7636d567 JW |
782 | gcc_cv_header_inttypes_h=no)]) |
783 | AC_MSG_RESULT($gcc_cv_header_inttypes_h) | |
9da0e39b | 784 | if test $gcc_cv_header_inttypes_h = yes; then |
119d24d1 KG |
785 | AC_DEFINE(HAVE_INTTYPES_H, 1, |
786 | [Define if you have a working <inttypes.h> header file.]) | |
9da0e39b | 787 | fi |
cdcc6a01 | 788 | |
9612ab65 ZW |
789 | dnl Disabled until we have a complete test for buggy enum bitfields. |
790 | dnl gcc_AC_C_ENUM_BF_UNSIGNED | |
c149cc37 | 791 | |
6af8c740 KG |
792 | AC_CHECK_FUNCS(times clock dup2 kill getrlimit setrlimit atoll atoq \ |
793 | sysconf strsignal putc_unlocked fputc_unlocked fputs_unlocked \ | |
4e87a651 | 794 | fwrite_unlocked fprintf_unlocked getrusage nl_langinfo \ |
56694dd9 ZW |
795 | scandir alphasort gettimeofday mbstowcs wcswidth mmap mincore \ |
796 | setlocale) | |
a81fb89e | 797 | |
39f6c4c8 KW |
798 | if test x$ac_cv_func_mbstowcs = xyes; then |
799 | AC_CACHE_CHECK(whether mbstowcs works, gcc_cv_func_mbstowcs_works, | |
800 | [ AC_TRY_RUN([#include <stdlib.h> | |
801 | int main() | |
802 | { | |
803 | mbstowcs(0, "", 0); | |
804 | return 0; | |
805 | }], | |
806 | gcc_cv_func_mbstowcs_works=yes, | |
807 | gcc_cv_func_mbstowcs_works=no, | |
808 | gcc_cv_func_mbstowcs_works=yes)]) | |
809 | if test x$gcc_cv_func_mbstowcs_works = xyes; then | |
810 | AC_DEFINE(HAVE_WORKING_MBSTOWCS, 1, | |
811 | [Define this macro if mbstowcs does not crash when its | |
812 | first argument is NULL.]) | |
813 | fi | |
814 | fi | |
815 | ||
78c9cb99 | 816 | AC_CHECK_TYPE(ssize_t, int) |
56f48ce9 | 817 | |
e256b8b6 DA |
818 | # Try to determine the array type of the second argument of getgroups |
819 | # for the target system (int or gid_t). | |
820 | AC_TYPE_GETGROUPS | |
821 | if test "${target}" = "${build}"; then | |
822 | TARGET_GETGROUPS_T=$ac_cv_type_getgroups | |
823 | else | |
824 | case "${target}" in | |
825 | # This condition may need some tweaking. It should include all | |
826 | # targets where the array type of the second argument of getgroups | |
827 | # is int and the type of gid_t is not equivalent to int. | |
828 | *-*-sunos* | *-*-ultrix*) | |
829 | TARGET_GETGROUPS_T=int | |
830 | ;; | |
831 | *) | |
832 | TARGET_GETGROUPS_T=gid_t | |
833 | ;; | |
834 | esac | |
835 | fi | |
836 | AC_SUBST(TARGET_GETGROUPS_T) | |
837 | ||
99e757d5 | 838 | gcc_AC_FUNC_PRINTF_PTR |
1072ec3f | 839 | gcc_AC_FUNC_MMAP_BLACKLIST |
b27d2bd5 MK |
840 | |
841 | case "${host}" in | |
ee262b6f | 842 | *-*-*vms*) |
2c55543b | 843 | # Under VMS, vfork works very differently than on Unix. The standard test |
ee262b6f DR |
844 | # won't work, and it isn't easily adaptable. It makes more sense to |
845 | # just force it. | |
846 | ac_cv_func_vfork_works=yes | |
847 | ;; | |
b27d2bd5 | 848 | esac |
c375c43b | 849 | AC_FUNC_VFORK |
f1b54f9b | 850 | |
f91abfce | 851 | AM_ICONV |
56694dd9 ZW |
852 | # Until we have in-tree GNU iconv: |
853 | LIBICONV_DEP= | |
854 | AC_SUBST(LIBICONV_DEP) | |
855 | ||
856 | AM_LC_MESSAGES | |
f91abfce | 857 | |
86cf1cbd KG |
858 | # We will need to find libiberty.h and ansidecl.h |
859 | saved_CFLAGS="$CFLAGS" | |
860 | CFLAGS="$CFLAGS -I${srcdir} -I${srcdir}/../include" | |
8e944909 | 861 | gcc_AC_CHECK_DECLS(getenv atol sbrk abort atof getcwd getwd \ |
3b681e9d | 862 | strsignal putc_unlocked fputs_unlocked fwrite_unlocked \ |
236ce4b2 | 863 | fprintf_unlocked strstr errno snprintf vasprintf \ |
c1800ec8 | 864 | malloc realloc calloc free basename getopt clock, , ,[ |
d02af173 | 865 | #include "ansidecl.h" |
86cf1cbd | 866 | #include "system.h"]) |
c5c76735 | 867 | |
f31e826b | 868 | gcc_AC_CHECK_DECLS(getrlimit setrlimit getrusage, , ,[ |
d02af173 | 869 | #include "ansidecl.h" |
86cf1cbd | 870 | #include "system.h" |
d2cabf16 KG |
871 | #ifdef HAVE_SYS_RESOURCE_H |
872 | #include <sys/resource.h> | |
873 | #endif | |
874 | ]) | |
875 | ||
b2522d2b HPN |
876 | AC_TRY_COMPILE([ |
877 | #include "ansidecl.h" | |
878 | #include "system.h" | |
879 | #ifdef HAVE_SYS_RESOURCE_H | |
880 | #include <sys/resource.h> | |
881 | #endif | |
882 | ],[rlim_t l = 0;],,[AC_DEFINE([rlim_t],[long], | |
883 | [Define to \`long' if <sys/resource.h> doesn't define.])]) | |
884 | ||
351df804 KG |
885 | gcc_AC_CHECK_DECLS(ldgetname, , ,[ |
886 | #include "ansidecl.h" | |
887 | #include "system.h" | |
888 | #ifdef HAVE_LDFCN_H | |
889 | #include <ldfcn.h> | |
890 | #endif | |
891 | ]) | |
892 | ||
c1800ec8 ZW |
893 | gcc_AC_CHECK_DECLS(times, , ,[ |
894 | #include "ansidecl.h" | |
895 | #include "system.h" | |
896 | #ifdef HAVE_SYS_TIMES_H | |
897 | #include <sys/times.h> | |
898 | #endif | |
899 | ]) | |
900 | ||
901 | # More time-related stuff. | |
902 | AC_CACHE_CHECK(for struct tms, ac_cv_struct_tms, [ | |
903 | AC_TRY_COMPILE([ | |
904 | #include "ansidecl.h" | |
905 | #include "system.h" | |
906 | #ifdef HAVE_SYS_TIMES_H | |
907 | #include <sys/times.h> | |
908 | #endif | |
909 | ], [struct tms tms;], ac_cv_struct_tms=yes, ac_cv_struct_tms=no)]) | |
910 | if test $ac_cv_struct_tms = yes; then | |
911 | AC_DEFINE(HAVE_STRUCT_TMS, 1, | |
912 | [Define if <sys/times.h> defines struct tms.]) | |
913 | fi | |
914 | ||
915 | # use gcc_cv_* here because this doesn't match the behavior of AC_CHECK_TYPE. | |
916 | # revisit after autoconf 2.50. | |
917 | AC_CACHE_CHECK(for clock_t, gcc_cv_type_clock_t, [ | |
918 | AC_TRY_COMPILE([ | |
919 | #include "ansidecl.h" | |
920 | #include "system.h" | |
921 | ], [clock_t x;], gcc_cv_type_clock_t=yes, gcc_cv_type_clock_t=no)]) | |
922 | if test $gcc_cv_type_clock_t = yes; then | |
923 | AC_DEFINE(HAVE_CLOCK_T, 1, | |
924 | [Define if <time.h> defines clock_t.]) | |
925 | fi | |
926 | ||
a12b5bd9 ZW |
927 | AC_CACHE_CHECK(for uchar, gcc_cv_type_uchar, |
928 | [AC_TRY_COMPILE([ | |
929 | #include "ansidecl.h" | |
930 | #include "system.h" | |
931 | ], | |
932 | [if ((uchar *)0) return 0; | |
933 | if (sizeof(uchar)) return 0;], | |
934 | ac_cv_type_uchar=yes, ac_cv_type_uchar=no)]) | |
935 | if test $ac_cv_type_uchar = yes; then | |
936 | AC_DEFINE(HAVE_UCHAR, 1, | |
937 | [Define if <sys/types.h> defines \`uchar'.]) | |
938 | fi | |
939 | ||
86cf1cbd KG |
940 | # Restore CFLAGS from before the gcc_AC_NEED_DECLARATIONS tests. |
941 | CFLAGS="$saved_CFLAGS" | |
942 | ||
eb70d86d AS |
943 | gcc_AC_INITFINI_ARRAY |
944 | ||
75923b2f | 945 | # mkdir takes a single argument on some systems. |
99e757d5 | 946 | gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG |
75923b2f | 947 | |
46f18e7b RK |
948 | # File extensions |
949 | manext='.1' | |
950 | objext='.o' | |
46f18e7b RK |
951 | AC_SUBST(manext) |
952 | AC_SUBST(objext) | |
46f18e7b | 953 | |
4977bab6 ZW |
954 | # With Setjmp/Longjmp based exception handling. |
955 | AC_ARG_ENABLE(sjlj-exceptions, | |
956 | [ --enable-sjlj-exceptions | |
957 | arrange to use setjmp/longjmp exception handling], | |
958 | [sjlj=`if test $enableval = yes; then echo 1; else echo 0; fi` | |
959 | AC_DEFINE_UNQUOTED(CONFIG_SJLJ_EXCEPTIONS, $sjlj, | |
960 | [Define 0/1 to force the choice for exception handling model.])]) | |
961 | ||
c6c51600 AS |
962 | if test x$host = x$target; then |
963 | AC_CHECK_LIB(unwind, main, use_libunwind_default=yes, use_libunwind_default=no) | |
964 | else | |
965 | use_libunwind_default=no | |
966 | fi | |
4977bab6 ZW |
967 | # Use libunwind based exception handling. |
968 | AC_ARG_ENABLE(libunwind-exceptions, | |
969 | [ --enable-libunwind-exceptions force use libunwind for exceptions], | |
970 | use_libunwind_exceptions=$enableval, | |
971 | use_libunwind_exceptions=$use_libunwind_default) | |
972 | if test x"$use_libunwind_exceptions" = xyes; then | |
973 | AC_DEFINE(USE_LIBUNWIND_EXCEPTIONS, 1, | |
974 | [Define if gcc should use -lunwind.]) | |
975 | fi | |
976 | ||
34a86c2b NN |
977 | # -------------------------------------------------------- |
978 | # Build, host, and target specific configuration fragments | |
979 | # -------------------------------------------------------- | |
980 | ||
5b28c537 NN |
981 | # Collect build-machine-specific information. |
982 | . ${srcdir}/config.build | |
983 | ||
a89ea0df NN |
984 | # Collect host-machine-specific information. |
985 | . ${srcdir}/config.host | |
986 | ||
ef69da62 | 987 | target_gtfiles= |
a89ea0df NN |
988 | |
989 | # Collect target-machine-specific information. | |
b01bc573 | 990 | . ${srcdir}/config.gcc |
46f18e7b RK |
991 | |
992 | extra_objs="${host_extra_objs} ${extra_objs}" | |
993 | ||
994 | # Default the target-machine variables that were not explicitly set. | |
75bffa71 | 995 | if test x"$tm_file" = x |
46f18e7b RK |
996 | then tm_file=$cpu_type/$cpu_type.h; fi |
997 | ||
6b2adea9 | 998 | if test x"$extra_headers" = x |
46f18e7b RK |
999 | then extra_headers=; fi |
1000 | ||
75bffa71 | 1001 | if test x$md_file = x |
e98e406f | 1002 | then md_file=$cpu_type/$cpu_type.md; fi |
46f18e7b | 1003 | |
75bffa71 | 1004 | if test x$out_file = x |
46f18e7b RK |
1005 | then out_file=$cpu_type/$cpu_type.c; fi |
1006 | ||
75bffa71 | 1007 | if test x"$tmake_file" = x |
46f18e7b RK |
1008 | then tmake_file=$cpu_type/t-$cpu_type |
1009 | fi | |
1010 | ||
90e6a802 | 1011 | if test x"$dwarf2" = xyes |
756ee602 | 1012 | then tm_file="$tm_file tm-dwarf2.h" |
90e6a802 RL |
1013 | fi |
1014 | ||
46f18e7b | 1015 | # Say what files are being used for the output code and MD file. |
11642c3a | 1016 | echo "Using \`$srcdir/config/$out_file' for machine-specific logic." |
46f18e7b RK |
1017 | echo "Using \`$srcdir/config/$md_file' as machine description file." |
1018 | ||
11642c3a | 1019 | # If any of the xm_file variables contain nonexistent files, warn |
4dc0535b ZW |
1020 | # about them and drop them. |
1021 | ||
11642c3a ZW |
1022 | bx= |
1023 | for x in $build_xm_file; do | |
1024 | if test -f $srcdir/config/$x | |
1025 | then bx="$bx $x" | |
11642c3a ZW |
1026 | else AC_MSG_WARN($srcdir/config/$x does not exist.) |
1027 | fi | |
1028 | done | |
1029 | build_xm_file="$bx" | |
1030 | ||
1031 | hx= | |
1032 | for x in $host_xm_file; do | |
1033 | if test -f $srcdir/config/$x | |
1034 | then hx="$hx $x" | |
11642c3a ZW |
1035 | else AC_MSG_WARN($srcdir/config/$x does not exist.) |
1036 | fi | |
1037 | done | |
1038 | host_xm_file="$hx" | |
1039 | ||
1040 | tx= | |
1041 | for x in $xm_file; do | |
1042 | if test -f $srcdir/config/$x | |
1043 | then tx="$tx $x" | |
11642c3a ZW |
1044 | else AC_MSG_WARN($srcdir/config/$x does not exist.) |
1045 | fi | |
1046 | done | |
1047 | xm_file="$tx" | |
1048 | ||
46f18e7b RK |
1049 | count=a |
1050 | for f in $tm_file; do | |
1051 | count=${count}x | |
1052 | done | |
75bffa71 | 1053 | if test $count = ax; then |
46f18e7b RK |
1054 | echo "Using \`$srcdir/config/$tm_file' as target machine macro file." |
1055 | else | |
1056 | echo "Using the following target machine macro files:" | |
1057 | for f in $tm_file; do | |
1058 | echo " $srcdir/config/$f" | |
1059 | done | |
1060 | fi | |
1061 | ||
4977bab6 ZW |
1062 | if test x$need_64bit_hwint = xyes; then |
1063 | AC_DEFINE(NEED_64BIT_HOST_WIDE_INT, 1, | |
1064 | [Define to 1 if HOST_WIDE_INT must be 64 bits wide (see hwint.h).]) | |
1065 | fi | |
1066 | ||
46f18e7b RK |
1067 | count=a |
1068 | for f in $host_xm_file; do | |
1069 | count=${count}x | |
1070 | done | |
11642c3a ZW |
1071 | if test $count = a; then |
1072 | : | |
1073 | elif test $count = ax; then | |
46f18e7b RK |
1074 | echo "Using \`$srcdir/config/$host_xm_file' as host machine macro file." |
1075 | else | |
1076 | echo "Using the following host machine macro files:" | |
1077 | for f in $host_xm_file; do | |
1078 | echo " $srcdir/config/$f" | |
1079 | done | |
1080 | fi | |
476d9098 | 1081 | echo "Using ${out_host_hook_obj} for host machine hooks." |
46f18e7b | 1082 | |
75bffa71 | 1083 | if test "$host_xm_file" != "$build_xm_file"; then |
46f18e7b RK |
1084 | count=a |
1085 | for f in $build_xm_file; do | |
1086 | count=${count}x | |
1087 | done | |
11642c3a ZW |
1088 | if test $count = a; then |
1089 | : | |
1090 | elif test $count = ax; then | |
46f18e7b RK |
1091 | echo "Using \`$srcdir/config/$build_xm_file' as build machine macro file." |
1092 | else | |
1093 | echo "Using the following build machine macro files:" | |
1094 | for f in $build_xm_file; do | |
1095 | echo " $srcdir/config/$f" | |
1096 | done | |
1097 | fi | |
1098 | fi | |
1099 | ||
c2e494a8 NN |
1100 | # Check if a valid thread package |
1101 | case ${enable_threads_flag} in | |
1102 | "" | no) | |
1103 | # No threads | |
1104 | target_thread_file='single' | |
1105 | ;; | |
1106 | yes) | |
1107 | # default | |
1108 | target_thread_file='single' | |
1109 | ;; | |
769e49eb NN |
1110 | aix | dce | gnat | irix | posix | rtems | \ |
1111 | single | solaris | vxworks | win32 ) | |
c2e494a8 NN |
1112 | target_thread_file=${enable_threads_flag} |
1113 | ;; | |
1114 | *) | |
1115 | echo "${enable_threads_flag} is an unknown thread package" 1>&2 | |
1116 | exit 1 | |
1117 | ;; | |
1118 | esac | |
1119 | ||
1120 | if test x${thread_file} = x; then | |
1121 | # No thread file set by target-specific clauses in config.gcc, | |
1122 | # so use file chosen by default logic above | |
1123 | thread_file=${target_thread_file} | |
46f18e7b | 1124 | fi |
46f18e7b | 1125 | |
2121a768 JT |
1126 | if test x$enable___cxa_atexit = xyes || \ |
1127 | test x$enable___cxa_atexit = x -a x$default_use_cxa_atexit = xyes; then | |
1128 | AC_DEFINE(DEFAULT_USE_CXA_ATEXIT, 1, | |
1129 | [Define if you want to use __cxa_atexit, rather than atexit, to | |
1130 | register C++ destructors for local statics and global objects. | |
1131 | This is essential for fully standards-compliant handling of | |
1132 | destructors, but requires __cxa_atexit in libc.]) | |
1133 | fi | |
1134 | ||
a5381466 | 1135 | # Look for a file containing extra machine modes. |
1c0ca89d ZW |
1136 | if test -n "$extra_modes" && test -f $srcdir/config/$extra_modes; then |
1137 | extra_modes_file='$(srcdir)'/config/${extra_modes} | |
a5381466 | 1138 | AC_SUBST(extra_modes_file) |
e22340b0 | 1139 | AC_DEFINE_UNQUOTED(EXTRA_MODES_FILE, "config/$extra_modes", |
a5381466 ZW |
1140 | [Define to the name of a file containing a list of extra machine modes |
1141 | for this architecture.]) | |
a5381466 ZW |
1142 | fi |
1143 | ||
b7cb92ad | 1144 | # auto-host.h is the file containing items generated by autoconf and is |
e9a25f70 | 1145 | # the first file included by config.h. |
4977bab6 | 1146 | # If host=build, it is correct to have bconfig include auto-host.h |
db81d74a RH |
1147 | # as well. If host!=build, we are in error and need to do more |
1148 | # work to find out the build config parameters. | |
75bffa71 | 1149 | if test x$host = x$build |
db81d74a | 1150 | then |
eaf4e618 | 1151 | build_auto=auto-host.h |
06f0b04c | 1152 | FORBUILD=.. |
b7cb92ad JL |
1153 | else |
1154 | # We create a subdir, then run autoconf in the subdir. | |
1155 | # To prevent recursion we set host and build for the new | |
1156 | # invocation of configure to the build for this invocation | |
1157 | # of configure. | |
1158 | tempdir=build.$$ | |
1159 | rm -rf $tempdir | |
1160 | mkdir $tempdir | |
1161 | cd $tempdir | |
1162 | case ${srcdir} in | |
b86ecfa9 | 1163 | /* | [A-Za-z]:[\\/]* ) realsrcdir=${srcdir};; |
b7cb92ad JL |
1164 | *) realsrcdir=../${srcdir};; |
1165 | esac | |
d920e825 L |
1166 | saved_CFLAGS="${CFLAGS}" |
1167 | CC="${CC_FOR_BUILD}" CFLAGS="${CFLAGS_FOR_BUILD}" \ | |
1168 | ${realsrcdir}/configure \ | |
534d0cc0 | 1169 | --target=$target_alias --host=$build_alias --build=$build_alias |
d920e825 | 1170 | CFLAGS="${saved_CFLAGS}" |
b7cb92ad JL |
1171 | |
1172 | # We just finished tests for the build machine, so rename | |
1173 | # the file auto-build.h in the gcc directory. | |
1174 | mv auto-host.h ../auto-build.h | |
1175 | cd .. | |
1176 | rm -rf $tempdir | |
eaf4e618 | 1177 | build_auto=auto-build.h |
3b1b059c | 1178 | FORBUILD=../${build_subdir} |
db81d74a | 1179 | fi |
06f0b04c | 1180 | AC_SUBST(FORBUILD) |
db81d74a | 1181 | |
eaf4e618 | 1182 | tm_file="${tm_file} defaults.h" |
4977bab6 ZW |
1183 | tm_p_file="${tm_p_file} tm-preds.h" |
1184 | host_xm_file="auto-host.h ansidecl.h ${host_xm_file}" | |
1185 | build_xm_file="${build_auto} ansidecl.h ${build_xm_file}" | |
49691411 | 1186 | # We don't want ansidecl.h in target files, write code there in ISO/GNU C. |
b4862477 KG |
1187 | # put this back in temporarily. |
1188 | xm_file="ansidecl.h ${xm_file}" | |
0056a9b5 | 1189 | |
34a86c2b NN |
1190 | # -------- |
1191 | # UNSORTED | |
1192 | # -------- | |
1193 | ||
f1943b77 | 1194 | # Get the version trigger filename from the toplevel |
75bffa71 | 1195 | if test "${with_gcc_version_trigger+set}" = set; then |
f1943b77 MH |
1196 | gcc_version_trigger=$with_gcc_version_trigger |
1197 | else | |
1198 | gcc_version_trigger=${srcdir}/version.c | |
1199 | fi | |
75bffa71 | 1200 | changequote(,)dnl |
022dae81 | 1201 | gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*"\([^"]*\)".*/\1/'` |
8763704d | 1202 | gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'` |
cc1e60ea JM |
1203 | |
1204 | # Compile in configure arguments. | |
8105825d | 1205 | if test -f configargs.h ; then |
cc1e60ea | 1206 | # Being re-configured. |
022dae81 | 1207 | gcc_config_arguments=`grep configuration_arguments configargs.h | sed -e 's/.*"\([^"]*\)".*/\1/'` |
cc1e60ea JM |
1208 | gcc_config_arguments="$gcc_config_arguments : (reconfigured) $TOPLEVEL_CONFIGURE_ARGUMENTS" |
1209 | else | |
1210 | gcc_config_arguments="$TOPLEVEL_CONFIGURE_ARGUMENTS" | |
1211 | fi | |
eeae7b41 DJ |
1212 | |
1213 | # Double all backslashes and backslash all quotes to turn | |
1214 | # gcc_config_arguments into a C string. | |
1215 | sed -e 's/\\/\\\\/g; s/"/\\"/g' <<EOF >conftest.out | |
1216 | $gcc_config_arguments | |
1217 | EOF | |
1218 | gcc_config_arguments_str=`cat conftest.out` | |
1219 | rm -f conftest.out | |
1220 | ||
cc1e60ea JM |
1221 | cat > configargs.h <<EOF |
1222 | /* Generated automatically. */ | |
eeae7b41 | 1223 | static const char configuration_arguments[] = "$gcc_config_arguments_str"; |
a6687d2b | 1224 | static const char thread_model[] = "$thread_file"; |
7816bea0 DJ |
1225 | |
1226 | static const struct { | |
1227 | const char *name, *value; | |
1228 | } configure_default_options[] = $configure_default_options; | |
cc1e60ea | 1229 | EOF |
75bffa71 | 1230 | changequote([,])dnl |
46f18e7b | 1231 | |
ab87f8c8 JL |
1232 | # Internationalization |
1233 | PACKAGE=gcc | |
1234 | VERSION="$gcc_version" | |
ab87f8c8 JL |
1235 | AC_SUBST(PACKAGE) |
1236 | AC_SUBST(VERSION) | |
1237 | ||
56694dd9 | 1238 | ZW_GNU_GETTEXT_SISTER_DIR |
dc6746e7 | 1239 | |
56694dd9 ZW |
1240 | # If LIBINTL contains LIBICONV, then clear LIBICONV so we don't get |
1241 | # -liconv on the link line twice. | |
1242 | case "$LIBINTL" in *$LIBICONV*) | |
1243 | LIBICONV= ;; | |
1244 | esac | |
ab87f8c8 | 1245 | |
f4ab28e3 MK |
1246 | # Windows32 Registry support for specifying GCC installation paths. |
1247 | AC_ARG_ENABLE(win32-registry, | |
1248 | [ --disable-win32-registry | |
e8bec136 RO |
1249 | disable lookup of installation paths in the |
1250 | Registry on Windows hosts | |
1251 | --enable-win32-registry enable registry lookup (default) | |
f4ab28e3 | 1252 | --enable-win32-registry=KEY |
e8bec136 RO |
1253 | use KEY instead of GCC version as the last portion |
1254 | of the registry key],,) | |
4e70264f ZW |
1255 | case $host_os in |
1256 | win32 | pe | cygwin* | mingw32* | uwin*) | |
f4ab28e3 | 1257 | AC_MSG_CHECKING(whether windows registry support is requested) |
9dd53f2c | 1258 | if test "x$enable_win32_registry" != xno; then |
119d24d1 KG |
1259 | AC_DEFINE(ENABLE_WIN32_REGISTRY, 1, |
1260 | [Define to 1 if installation paths should be looked up in Windows32 | |
91029a29 | 1261 | Registry. Ignored on non windows32 hosts.]) |
f4ab28e3 | 1262 | AC_MSG_RESULT(yes) |
4e70264f | 1263 | AC_SEARCH_LIBS(RegOpenKeyExA, advapi32) |
f4ab28e3 MK |
1264 | else |
1265 | AC_MSG_RESULT(no) | |
1266 | fi | |
1267 | ||
1268 | # Check if user specified a different registry key. | |
9dd53f2c | 1269 | case "x${enable_win32_registry}" in |
f4ab28e3 MK |
1270 | x | xyes) |
1271 | # default. | |
1272 | gcc_cv_win32_registry_key="$VERSION" | |
1273 | ;; | |
1274 | xno) | |
1275 | # no registry lookup. | |
1276 | gcc_cv_win32_registry_key='' | |
1277 | ;; | |
1278 | *) | |
1279 | # user-specified key. | |
1280 | gcc_cv_win32_registry_key="$enable_win32_registry" | |
1281 | ;; | |
1282 | esac | |
1283 | ||
9dd53f2c | 1284 | if test "x$enable_win32_registry" != xno; then |
f4ab28e3 | 1285 | AC_MSG_CHECKING(registry key on windows hosts) |
119d24d1 KG |
1286 | AC_DEFINE_UNQUOTED(WIN32_REGISTRY_KEY, "$gcc_cv_win32_registry_key", |
1287 | [Define to be the last portion of registry key on windows hosts.]) | |
f4ab28e3 MK |
1288 | AC_MSG_RESULT($gcc_cv_win32_registry_key) |
1289 | fi | |
4e70264f ZW |
1290 | ;; |
1291 | esac | |
f4ab28e3 | 1292 | |
7fa10b25 | 1293 | # Get an absolute path to the GCC top-level source directory |
1e6347d8 | 1294 | holddir=`${PWDCMD-pwd}` |
7fa10b25 | 1295 | cd $srcdir |
1e6347d8 | 1296 | topdir=`${PWDCMD-pwd}` |
7fa10b25 RK |
1297 | cd $holddir |
1298 | ||
af5e4ada | 1299 | # Conditionalize the makefile for this host machine. |
2ed26f6b | 1300 | xmake_file= |
c406e779 | 1301 | for f in ${host_xmake_file} |
94f42018 | 1302 | do |
75bffa71 | 1303 | if test -f ${srcdir}/config/$f |
94f42018 | 1304 | then |
2ed26f6b | 1305 | xmake_file="${xmake_file} \$(srcdir)/config/$f" |
94f42018 DE |
1306 | fi |
1307 | done | |
46f18e7b | 1308 | |
af5e4ada | 1309 | # Conditionalize the makefile for this target machine. |
2ed26f6b | 1310 | tmake_file_= |
c406e779 | 1311 | for f in ${tmake_file} |
94f42018 | 1312 | do |
75bffa71 | 1313 | if test -f ${srcdir}/config/$f |
94f42018 | 1314 | then |
2ed26f6b | 1315 | tmake_file_="${tmake_file_} \$(srcdir)/config/$f" |
94f42018 DE |
1316 | fi |
1317 | done | |
2ed26f6b | 1318 | tmake_file="${tmake_file_}" |
5891b37d | 1319 | |
34a86c2b NN |
1320 | symbolic_link='ln -s' |
1321 | ||
af5e4ada DE |
1322 | # If the host doesn't support symlinks, modify CC in |
1323 | # FLAGS_TO_PASS so CC="stage1/xgcc -Bstage1/" works. | |
1324 | # Otherwise, we can use "CC=$(CC)". | |
1325 | rm -f symtest.tem | |
61536478 | 1326 | if $symbolic_link $srcdir/gcc.c symtest.tem 2>/dev/null |
af5e4ada DE |
1327 | then |
1328 | cc_set_by_configure="\$(CC)" | |
5aa82ace | 1329 | quoted_cc_set_by_configure="\$(CC)" |
af5e4ada | 1330 | stage_prefix_set_by_configure="\$(STAGE_PREFIX)" |
596151e1 | 1331 | quoted_stage_prefix_set_by_configure="\$(STAGE_PREFIX)" |
af5e4ada | 1332 | else |
61536478 JL |
1333 | rm -f symtest.tem |
1334 | if cp -p $srcdir/gcc.c symtest.tem 2>/dev/null | |
1335 | then | |
1336 | symbolic_link="cp -p" | |
1337 | else | |
1338 | symbolic_link="cp" | |
1339 | fi | |
af5e4ada | 1340 | cc_set_by_configure="\`case '\$(CC)' in stage*) echo '\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\$(CC)';; esac\`" |
5aa82ace | 1341 | quoted_cc_set_by_configure="\\\`case '\\\$(CC)' in stage*) echo '\\\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(CC)';; esac\\\`" |
af5e4ada | 1342 | stage_prefix_set_by_configure="\`case '\$(STAGE_PREFIX)' in stage*) echo '\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\$(STAGE_PREFIX)';; esac\`" |
596151e1 | 1343 | 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 |
1344 | fi |
1345 | rm -f symtest.tem | |
5891b37d | 1346 | |
af5e4ada | 1347 | out_object_file=`basename $out_file .c`.o |
5891b37d | 1348 | |
af5e4ada | 1349 | tm_file_list= |
e22340b0 | 1350 | tm_include_list= |
af5e4ada | 1351 | for f in $tm_file; do |
64ccbc99 | 1352 | case $f in |
d02af173 | 1353 | defaults.h ) |
e22340b0 ZW |
1354 | tm_file_list="${tm_file_list} \$(srcdir)/$f" |
1355 | tm_include_list="${tm_include_list} $f" | |
1356 | ;; | |
1357 | * ) | |
1358 | tm_file_list="${tm_file_list} \$(srcdir)/config/$f" | |
1359 | tm_include_list="${tm_include_list} config/$f" | |
1360 | ;; | |
64ccbc99 | 1361 | esac |
af5e4ada | 1362 | done |
46f18e7b | 1363 | |
11642c3a | 1364 | tm_p_file_list= |
e22340b0 | 1365 | tm_p_include_list= |
11642c3a | 1366 | for f in $tm_p_file; do |
4977bab6 ZW |
1367 | case $f in |
1368 | tm-preds.h ) | |
e22340b0 ZW |
1369 | tm_p_file_list="${tm_p_file_list} $f" |
1370 | tm_p_include_list="${tm_p_include_list} $f" | |
1371 | ;; | |
1372 | * ) | |
1373 | tm_p_file_list="${tm_p_file_list} \$(srcdir)/config/$f" | |
1374 | tm_p_include_list="${tm_p_include_list} config/$f" | |
1375 | esac | |
1376 | done | |
1377 | ||
1378 | xm_file_list= | |
1379 | xm_include_list= | |
1380 | for f in $xm_file; do | |
1381 | case $f in | |
1382 | ansidecl.h ) | |
1383 | xm_file_list="${xm_file_list} \$(srcdir)/../include/$f" | |
1384 | xm_include_list="${xm_include_list} $f" | |
1385 | ;; | |
1386 | auto-host.h ) | |
1387 | xm_file_list="${xm_file_list} $f" | |
1388 | xm_include_list="${xm_include_list} $f" | |
1389 | ;; | |
1390 | * ) | |
1391 | xm_file_list="${xm_file_list} \$(srcdir)/config/$f" | |
1392 | xm_include_list="${xm_include_list} config/$f" | |
1393 | ;; | |
4977bab6 | 1394 | esac |
11642c3a ZW |
1395 | done |
1396 | ||
af5e4ada | 1397 | host_xm_file_list= |
e22340b0 | 1398 | host_xm_include_list= |
af5e4ada | 1399 | for f in $host_xm_file; do |
64ccbc99 | 1400 | case $f in |
d02af173 | 1401 | ansidecl.h ) |
e22340b0 ZW |
1402 | host_xm_file_list="${host_xm_file_list} \$(srcdir)/../include/$f" |
1403 | host_xm_include_list="${host_xm_include_list} $f" | |
1404 | ;; | |
e2500fed | 1405 | auto-host.h ) |
e22340b0 ZW |
1406 | host_xm_file_list="${host_xm_file_list} $f" |
1407 | host_xm_include_list="${host_xm_include_list} $f" | |
1408 | ;; | |
1409 | * ) | |
1410 | host_xm_file_list="${host_xm_file_list} \$(srcdir)/config/$f" | |
1411 | host_xm_include_list="${host_xm_include_list} config/$f" | |
1412 | ;; | |
64ccbc99 | 1413 | esac |
af5e4ada DE |
1414 | done |
1415 | ||
1416 | build_xm_file_list= | |
1417 | for f in $build_xm_file; do | |
64ccbc99 | 1418 | case $f in |
d02af173 | 1419 | ansidecl.h ) |
e22340b0 ZW |
1420 | build_xm_file_list="${build_xm_file_list} \$(srcdir)/../include/$f" |
1421 | build_xm_include_list="${build_xm_include_list} $f" | |
1422 | ;; | |
e2500fed | 1423 | auto-build.h | auto-host.h ) |
e22340b0 ZW |
1424 | build_xm_file_list="${build_xm_file_list} $f" |
1425 | build_xm_include_list="${build_xm_include_list} $f" | |
1426 | ;; | |
1427 | * ) | |
1428 | build_xm_file_list="${build_xm_file_list} \$(srcdir)/config/$f" | |
1429 | build_xm_include_list="${build_xm_include_list} config/$f" | |
1430 | ;; | |
64ccbc99 | 1431 | esac |
af5e4ada | 1432 | done |
46f18e7b | 1433 | |
a078a589 ZW |
1434 | # Define macro CROSS_COMPILE in compilation if this is a cross-compiler. |
1435 | # Also use all.cross instead of all.internal and adjust SYSTEM_HEADER_DIR. | |
1436 | CROSS= AC_SUBST(CROSS) | |
1437 | ALL=all.internal AC_SUBST(ALL) | |
1438 | SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)' AC_SUBST(SYSTEM_HEADER_DIR) | |
75bffa71 | 1439 | if test x$host != x$target |
af5e4ada | 1440 | then |
a078a589 ZW |
1441 | CROSS="-DCROSS_COMPILE" |
1442 | ALL=all.cross | |
1443 | SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)' | |
343f59d9 | 1444 | case "$host","$target" in |
3a7e8b87 GK |
1445 | # Darwin crosses can use the host system's libraries and headers, |
1446 | # because of the fat library support. Of course, it must be the | |
1447 | # same version of Darwin on both sides. Allow the user to | |
1448 | # just say --target=foo-darwin without a version number to mean | |
1449 | # "the version on this system". | |
1450 | *-*-darwin*,*-*-darwin*) | |
1451 | hostos=`echo $host | sed 's/.*-darwin/darwin/'` | |
1452 | targetos=`echo $target | sed 's/.*-darwin/darwin/'` | |
1453 | if test $hostos = $targetos -o $targetos = darwin ; then | |
1454 | CROSS= | |
1455 | SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)' | |
1456 | with_headers=yes | |
1457 | fi | |
1458 | ;; | |
1459 | ||
343f59d9 AM |
1460 | i?86-*-*,x86_64-*-* \ |
1461 | | powerpc*-*-*,powerpc64*-*-*) | |
1462 | CROSS="$CROSS -DNATIVE_CROSS" ;; | |
1463 | esac | |
7a615b25 AO |
1464 | elif test "x$TARGET_SYSTEM_ROOT" != x; then |
1465 | # This is just $(TARGET_SYSTEM_ROOT)$(NATIVE_SYSTEM_HEADER_DIR) | |
1466 | SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)' | |
af5e4ada | 1467 | fi |
46f18e7b | 1468 | |
b39d221a EC |
1469 | # If this is a cross-compiler that does not |
1470 | # have its own set of headers then define | |
1471 | # inhibit_libc | |
1472 | ||
dc06db20 R |
1473 | # If this is using newlib, without having the headers available now, |
1474 | # then define inhibit_libc in LIBGCC2_CFLAGS. | |
fecd6201 ZW |
1475 | # This prevents libgcc2 from containing any code which requires libc |
1476 | # support. | |
b39d221a | 1477 | inhibit_libc= |
dc06db20 R |
1478 | if { { test x$host != x$target && test "x$with_sysroot" = x ; } || |
1479 | test x$with_newlib = xyes ; } && | |
e50084fa | 1480 | { test "x$with_headers" = x || test "x$with_headers" = xno ; } ; then |
b39d221a | 1481 | inhibit_libc=-Dinhibit_libc |
b39d221a EC |
1482 | fi |
1483 | AC_SUBST(inhibit_libc) | |
1484 | ||
a078a589 ZW |
1485 | # When building gcc with a cross-compiler, we need to adjust things so |
1486 | # that the generator programs are still built with the native compiler. | |
1487 | # Also, we cannot run fixincludes or fix-header. | |
a078a589 ZW |
1488 | |
1489 | # These are the normal (build=host) settings: | |
5c35940c NN |
1490 | BUILD_PREFIX= AC_SUBST(BUILD_PREFIX) |
1491 | BUILD_PREFIX_1=ignore- AC_SUBST(BUILD_PREFIX_1) | |
eaf9f3b2 | 1492 | CC_FOR_BUILD='$(CC)' AC_SUBST(CC_FOR_BUILD) |
4977bab6 | 1493 | BUILD_CFLAGS='$(ALL_CFLAGS)' AC_SUBST(BUILD_CFLAGS) |
a078a589 ZW |
1494 | |
1495 | STMP_FIXINC=stmp-fixinc AC_SUBST(STMP_FIXINC) | |
587dc9c6 NN |
1496 | |
1497 | # Possibly disable fixproto, on a per-target basis. | |
1498 | case ${use_fixproto} in | |
1499 | no) | |
1500 | STMP_FIXPROTO= | |
1501 | ;; | |
1502 | yes) | |
1503 | STMP_FIXPROTO=stmp-fixproto | |
1504 | ;; | |
1505 | esac | |
1506 | AC_SUBST(STMP_FIXPROTO) | |
a078a589 | 1507 | |
83599948 NS |
1508 | # And these apply if build != host, or we are generating coverage data |
1509 | if test x$build != x$host || test "x$coverage_flags" != x | |
af5e4ada | 1510 | then |
5c35940c NN |
1511 | BUILD_PREFIX=build- |
1512 | BUILD_PREFIX_1=build- | |
b11e4747 | 1513 | BUILD_CFLAGS='$(INTERNAL_CFLAGS) $(T_CFLAGS) $(CFLAGS_FOR_BUILD)' |
a078a589 | 1514 | |
7a615b25 AO |
1515 | if test "x$TARGET_SYSTEM_ROOT" = x; then |
1516 | STMP_FIXINC= | |
1517 | STMP_FIXPROTO= | |
1518 | fi | |
af5e4ada | 1519 | fi |
46f18e7b | 1520 | |
ae3a15bb DE |
1521 | # Expand extra_headers to include complete path. |
1522 | # This substitutes for lots of t-* files. | |
1523 | extra_headers_list= | |
b1ef58c8 NN |
1524 | # Prepend $(srcdir)/config/${cpu_type}/ to every entry in extra_headers. |
1525 | for file in ${extra_headers} ; do | |
1526 | extra_headers_list="${extra_headers_list} \$(srcdir)/config/${cpu_type}/${file}" | |
1527 | done | |
ae3a15bb | 1528 | |
af5e4ada | 1529 | # Add a definition of USE_COLLECT2 if system wants one. |
34a86c2b NN |
1530 | case $use_collect2 in |
1531 | no) use_collect2= ;; | |
1532 | "") ;; | |
1533 | *) | |
1534 | host_xm_defines="${host_xm_defines} USE_COLLECT2" | |
1535 | xm_defines="${xm_defines} USE_COLLECT2" | |
1536 | ;; | |
1537 | esac | |
af5e4ada | 1538 | |
d869a8c4 NN |
1539 | # Identify the assembler which will work hand-in-glove with the newly |
1540 | # built GCC, so that we can examine its features. This is the assembler | |
1541 | # which will be driven by the driver program. | |
1542 | # | |
1543 | # If build != host, and we aren't building gas in-tree, we identify a | |
1544 | # build->target assembler and hope that it will have the same features | |
1545 | # as the host->target assembler we'll be using. | |
981d4858 | 1546 | AC_MSG_CHECKING(what assembler to use) |
34a86c2b | 1547 | in_tree_gas=no |
9e423e6d | 1548 | gcc_cv_as= |
981d4858 JM |
1549 | gcc_cv_gas_major_version= |
1550 | gcc_cv_gas_minor_version= | |
a2f319ea | 1551 | gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/gas |
3ccc3a56 AO |
1552 | if test -x "$DEFAULT_ASSEMBLER"; then |
1553 | gcc_cv_as="$DEFAULT_ASSEMBLER" | |
1554 | elif test -x "$AS"; then | |
1555 | gcc_cv_as="$AS" | |
ab339d62 | 1556 | elif test -x as$host_exeext; then |
9e423e6d JW |
1557 | # Build using assembler in the current directory. |
1558 | gcc_cv_as=./as$host_exeext | |
34a86c2b NN |
1559 | elif test -f $gcc_cv_as_gas_srcdir/configure.in \ |
1560 | && test -f ../gas/Makefile; then | |
ad9c4d9f NN |
1561 | # Single tree build which includes gas. |
1562 | in_tree_gas=yes | |
1563 | _gcc_COMPUTE_GAS_VERSION | |
f9c1196a ZW |
1564 | rm -f as$host_exeext |
1565 | $symbolic_link ../gas/as-new$host_exeext as$host_exeext 2>/dev/null | |
5408ac6c HPN |
1566 | in_tree_gas_is_elf=no |
1567 | if grep 'obj_format = elf' ../gas/Makefile > /dev/null \ | |
1568 | || (grep 'obj_format = multi' ../gas/Makefile \ | |
1569 | && grep 'extra_objects =.* obj-elf' ../gas/Makefile) > /dev/null | |
1570 | then | |
1571 | in_tree_gas_is_elf=yes | |
1572 | fi | |
981d4858 JM |
1573 | fi |
1574 | ||
534d0cc0 | 1575 | if test "x$gcc_cv_as" = x; then |
779243f7 JL |
1576 | # Search the same directories that the installed compiler will |
1577 | # search. Else we may find the wrong assembler and lose. If we | |
1578 | # do not find a suitable assembler binary, then try the user's | |
1579 | # path. | |
1580 | # | |
1581 | # Also note we have to check MD_EXEC_PREFIX before checking the | |
1582 | # user's path. Unfortunately, there is no good way to get at the | |
1583 | # value of MD_EXEC_PREFIX here. So we do a brute force search | |
1584 | # through all the known MD_EXEC_PREFIX values. Ugh. This needs | |
1585 | # to be fixed as part of the make/configure rewrite too. | |
1586 | ||
1587 | if test "x$exec_prefix" = xNONE; then | |
1588 | if test "x$prefix" = xNONE; then | |
1589 | test_prefix=/usr/local | |
1590 | else | |
1591 | test_prefix=$prefix | |
1592 | fi | |
1593 | else | |
1594 | test_prefix=$exec_prefix | |
1595 | fi | |
1596 | ||
1597 | # If the loop below does not find an assembler, then use whatever | |
1598 | # one we can find in the users's path. | |
1599 | # user's path. | |
55a2ea2a AM |
1600 | if test "x$program_prefix" != xNONE; then |
1601 | gcc_cv_as=${program_prefix}as$host_exeext | |
1602 | else | |
1603 | gcc_cv_as=`echo as | sed ${program_transform_name}`$host_exeext | |
1604 | fi | |
1605 | ||
caa55b1e NN |
1606 | test_dirs="$test_prefix/lib/gcc-lib/$target_noncanonical/$gcc_version \ |
1607 | $test_prefix/lib/gcc-lib/$target_noncanonical \ | |
1608 | /usr/lib/gcc/$target_noncanonical/$gcc_version \ | |
1609 | /usr/lib/gcc/$target_noncanonical \ | |
1610 | $test_prefix/$target_noncanonical/bin/$target_noncanonical/$gcc_version \ | |
1611 | $test_prefix/$target_noncanonical/bin" | |
55a2ea2a AM |
1612 | |
1613 | if test x$host = x$target; then | |
1614 | test_dirs="$test_dirs \ | |
779243f7 JL |
1615 | /usr/libexec \ |
1616 | /usr/ccs/gcc \ | |
1617 | /usr/ccs/bin \ | |
1618 | /udk/usr/ccs/bin \ | |
1619 | /bsd43/usr/lib/cmplrs/cc \ | |
1620 | /usr/cross64/usr/bin \ | |
1621 | /usr/lib/cmplrs/cc \ | |
1622 | /sysv/usr/lib/cmplrs/cc \ | |
1623 | /svr4/usr/lib/cmplrs/cc \ | |
1624 | /usr/bin" | |
55a2ea2a | 1625 | fi |
779243f7 JL |
1626 | |
1627 | for dir in $test_dirs; do | |
55a2ea2a | 1628 | if test -x $dir/as$host_exeext; then |
779243f7 JL |
1629 | gcc_cv_as=$dir/as$host_exeext |
1630 | break; | |
1631 | fi | |
1632 | done | |
9e423e6d | 1633 | fi |
34a86c2b NN |
1634 | case $in_tree_gas in |
1635 | yes) | |
1636 | AC_MSG_RESULT("newly built gas") | |
1637 | ;; | |
1638 | no) | |
1639 | AC_MSG_RESULT($gcc_cv_as) | |
1640 | ;; | |
1641 | esac | |
981d4858 | 1642 | |
d869a8c4 NN |
1643 | # Identify the linker which will work hand-in-glove with the newly |
1644 | # built GCC, so that we can examine its features. This is the linker | |
1645 | # which will be driven by the driver program. | |
1646 | # | |
1647 | # If build != host, and we aren't building gas in-tree, we identify a | |
1648 | # build->target linker and hope that it will have the same features | |
1649 | # as the host->target linker we'll be using. | |
275b60d6 | 1650 | AC_MSG_CHECKING(what linker to use) |
34a86c2b | 1651 | in_tree_ld=no |
275b60d6 JJ |
1652 | gcc_cv_ld= |
1653 | gcc_cv_gld_major_version= | |
1654 | gcc_cv_gld_minor_version= | |
1655 | gcc_cv_ld_gld_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/ld | |
1656 | gcc_cv_ld_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd | |
1657 | if test -x "$DEFAULT_LINKER"; then | |
1658 | gcc_cv_ld="$DEFAULT_LINKER" | |
1659 | elif test -x "$LD"; then | |
1660 | gcc_cv_ld="$LD" | |
f9c1196a | 1661 | elif test -x collect-ld$host_exeext; then |
275b60d6 | 1662 | # Build using linker in the current directory. |
f9c1196a | 1663 | gcc_cv_ld=./collect-ld$host_exeext |
34a86c2b NN |
1664 | elif test -f $gcc_cv_ld_gld_srcdir/configure.in \ |
1665 | && test -f ../ld/Makefile; then | |
275b60d6 | 1666 | # Single tree build which includes ld. |
34a86c2b | 1667 | in_tree_ld=yes |
5408ac6c HPN |
1668 | in_tree_ld_is_elf=no |
1669 | if (grep 'EMUL = .*elf' ../ld/Makefile \ | |
1670 | || grep 'EMUL = .*linux' ../ld/Makefile) > /dev/null; then | |
1671 | in_tree_ld_is_elf=yes | |
1672 | fi | |
275b60d6 JJ |
1673 | 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 |
1674 | do | |
1675 | changequote(,)dnl | |
1676 | gcc_cv_gld_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f` | |
1677 | changequote([,])dnl | |
1678 | if test x$gcc_cv_gld_version != x; then | |
1679 | break | |
1680 | fi | |
1681 | done | |
1682 | changequote(,)dnl | |
1683 | gcc_cv_gld_major_version=`expr "$gcc_cv_gld_version" : "VERSION=\([0-9]*\)"` | |
1684 | gcc_cv_gld_minor_version=`expr "$gcc_cv_gld_version" : "VERSION=[0-9]*\.\([0-9]*\)"` | |
1685 | changequote([,])dnl | |
f9c1196a ZW |
1686 | rm -f collect-ld$host_exeext |
1687 | $symbolic_link ../ld/ld-new$host_exeext collect-ld$host_exeext \ | |
1688 | 2>/dev/null | |
275b60d6 JJ |
1689 | fi |
1690 | ||
534d0cc0 | 1691 | if test "x$gcc_cv_ld" = x; then |
275b60d6 JJ |
1692 | # Search the same directories that the installed compiler will |
1693 | # search. Else we may find the wrong linker and lose. If we | |
1694 | # do not find a suitable linker binary, then try the user's | |
1695 | # path. | |
1696 | # | |
1697 | # Also note we have to check MD_EXEC_PREFIX before checking the | |
1698 | # user's path. Unfortunately, there is no good way to get at the | |
1699 | # value of MD_EXEC_PREFIX here. So we do a brute force search | |
1700 | # through all the known MD_EXEC_PREFIX values. Ugh. This needs | |
1701 | # to be fixed as part of the make/configure rewrite too. | |
1702 | ||
1703 | if test "x$exec_prefix" = xNONE; then | |
1704 | if test "x$prefix" = xNONE; then | |
1705 | test_prefix=/usr/local | |
1706 | else | |
1707 | test_prefix=$prefix | |
1708 | fi | |
1709 | else | |
1710 | test_prefix=$exec_prefix | |
1711 | fi | |
1712 | ||
1713 | # If the loop below does not find an linker, then use whatever | |
1714 | # one we can find in the users's path. | |
1715 | # user's path. | |
55a2ea2a AM |
1716 | if test "x$program_prefix" != xNONE; then |
1717 | gcc_cv_ld=${program_prefix}ld$host_exeext | |
1718 | else | |
1719 | gcc_cv_ld=`echo ld | sed ${program_transform_name}`$host_exeext | |
1720 | fi | |
1721 | ||
caa55b1e NN |
1722 | test_dirs="$test_prefix/lib/gcc-lib/$target_noncanonical/$gcc_version \ |
1723 | $test_prefix/lib/gcc-lib/$target_noncanonical \ | |
1724 | /usr/lib/gcc/$target_noncanonical/$gcc_version \ | |
1725 | /usr/lib/gcc/$target_noncanonical \ | |
1726 | $test_prefix/$target_noncanonical/bin/$target_noncanonical/$gcc_version \ | |
1727 | $test_prefix/$target_noncanonical/bin" | |
55a2ea2a AM |
1728 | |
1729 | if test x$host = x$target; then | |
1730 | test_dirs="$test_dirs \ | |
275b60d6 JJ |
1731 | /usr/libexec \ |
1732 | /usr/ccs/gcc \ | |
1733 | /usr/ccs/bin \ | |
1734 | /udk/usr/ccs/bin \ | |
1735 | /bsd43/usr/lib/cmplrs/cc \ | |
1736 | /usr/cross64/usr/bin \ | |
1737 | /usr/lib/cmplrs/cc \ | |
1738 | /sysv/usr/lib/cmplrs/cc \ | |
1739 | /svr4/usr/lib/cmplrs/cc \ | |
1740 | /usr/bin" | |
55a2ea2a | 1741 | fi |
275b60d6 JJ |
1742 | |
1743 | for dir in $test_dirs; do | |
55a2ea2a | 1744 | if test -x $dir/ld$host_exeext; then |
275b60d6 JJ |
1745 | gcc_cv_ld=$dir/ld$host_exeext |
1746 | break; | |
1747 | fi | |
1748 | done | |
1749 | fi | |
34a86c2b NN |
1750 | case $in_tree_ld in |
1751 | yes) | |
1752 | AC_MSG_RESULT("newly built ld") | |
1753 | ;; | |
1754 | no) | |
1755 | AC_MSG_RESULT($gcc_cv_ld) | |
1756 | ;; | |
1757 | esac | |
275b60d6 | 1758 | |
981d4858 | 1759 | # Figure out what nm we will be using. |
f9c1196a | 1760 | gcc_cv_binutils_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/binutils |
981d4858 | 1761 | AC_MSG_CHECKING(what nm to use) |
f9c1196a | 1762 | in_tree_nm=no |
981d4858 JM |
1763 | if test -x nm$host_exeext; then |
1764 | gcc_cv_nm=./nm$host_exeext | |
f9c1196a ZW |
1765 | elif test -f $gcc_cv_binutils_srcdir/configure.in \ |
1766 | && test -f ../binutils/Makefile; then | |
1767 | # Single tree build which includes binutils. | |
1768 | in_tree_nm=yes | |
1769 | gcc_cv_nm=./nm$host_exeext | |
1770 | rm -f nm$host_exeext | |
1771 | $symbolic_link ../binutils/nm-new$host_exeext nm$host_exeext 2>/dev/null | |
534d0cc0 AM |
1772 | elif test "x$program_prefix" != xNONE; then |
1773 | gcc_cv_nm=${program_prefix}nm$host_exeext | |
1774 | else | |
1775 | gcc_cv_nm=`echo nm | sed ${program_transform_name}`$host_exeext | |
981d4858 | 1776 | fi |
f9c1196a ZW |
1777 | case $in_tree_nm in |
1778 | yes) AC_MSG_RESULT("newly built nm") ;; | |
1779 | no) AC_MSG_RESULT($gcc_cv_nm) ;; | |
1780 | esac | |
981d4858 | 1781 | |
3cae5780 AS |
1782 | # Figure out what objdump we will be using. |
1783 | AC_MSG_CHECKING(what objdump to use) | |
f9c1196a | 1784 | in_tree_objdump=no |
3cae5780 AS |
1785 | if test -x objdump$host_exeext; then |
1786 | gcc_cv_objdump=./objdump$host_exeext | |
f9c1196a ZW |
1787 | elif test -f $gcc_cv_binutils_srcdir/configure.in \ |
1788 | && test -f ../binutils/Makefile; then | |
1789 | # Single tree build which includes binutils. | |
1790 | in_tree_objdump=yes | |
1791 | gcc_cv_objdump=./objdump$host_exeext | |
1792 | rm -f objdump$host_exeext | |
1793 | $symbolic_link ../binutils/objdump$host_exeext \ | |
1794 | objdump$host_exeext 2>/dev/null | |
534d0cc0 AM |
1795 | elif test "x$program_prefix" != xNONE; then |
1796 | gcc_cv_objdump=${program_prefix}objdump$host_exeext | |
1797 | else | |
f9c1196a ZW |
1798 | gcc_cv_objdump=`echo objdump | \ |
1799 | sed ${program_transform_name}`$host_exeext | |
3cae5780 | 1800 | fi |
f9c1196a ZW |
1801 | case $in_tree_objdump in |
1802 | yes) AC_MSG_RESULT("newly built objdump") ;; | |
1803 | no) AC_MSG_RESULT($gcc_cv_objdump) ;; | |
1804 | esac | |
3cae5780 | 1805 | |
981d4858 | 1806 | # Figure out what assembler alignment features are present. |
8ada417f ZW |
1807 | gcc_GAS_CHECK_FEATURE([.balign and .p2align], gcc_cv_as_balign_and_p2align, |
1808 | [2,6,0],, | |
1809 | [.balign 4 | |
1810 | .p2align 2],, | |
1811 | [AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN, 1, | |
1812 | [Define if your assembler supports .balign and .p2align.])]) | |
1813 | ||
1814 | gcc_GAS_CHECK_FEATURE([.p2align with maximum skip], gcc_cv_as_max_skip_p2align, | |
1815 | [2,8,0],, | |
1816 | [.p2align 4,,7],, | |
1817 | [AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN, 1, | |
1818 | [Define if your assembler supports specifying the maximum number | |
1819 | of bytes to skip when using the GAS .p2align command.])]) | |
1820 | ||
1821 | gcc_GAS_CHECK_FEATURE([working .subsection -1], gcc_cv_as_subsection_m1, | |
1822 | [elf,2,9,0],, | |
1823 | [conftest_label1: .word 0 | |
d1accaa3 JJ |
1824 | .subsection -1 |
1825 | conftest_label2: .word 0 | |
8ada417f ZW |
1826 | .previous], |
1827 | [if test x$gcc_cv_nm != x; then | |
1828 | $gcc_cv_nm conftest.o | grep conftest_label1 > conftest.nm1 | |
1829 | $gcc_cv_nm conftest.o | grep conftest_label2 | sed -e 's/label2/label1/' > conftest.nm2 | |
1830 | if cmp conftest.nm1 conftest.nm2 > /dev/null 2>&1 | |
1831 | then : | |
1832 | else gcc_cv_as_subsection_m1=yes | |
1833 | fi | |
1834 | rm -f conftest.nm1 conftest.nm2 | |
1835 | fi], | |
1836 | [AC_DEFINE(HAVE_GAS_SUBSECTION_ORDERING, 1, | |
1837 | [Define if your assembler supports .subsection and .subsection -1 starts | |
1838 | emitting at the beginning of your section.])]) | |
1839 | ||
1840 | gcc_GAS_CHECK_FEATURE([.weak], gcc_cv_as_weak, | |
1841 | [2,2,0],, | |
1842 | [ .weak foobar],, | |
1843 | [AC_DEFINE(HAVE_GAS_WEAK, 1, [Define if your assembler supports .weak.])]) | |
1844 | ||
1845 | # .hidden needs to be supported in both the assembler and the linker, | |
1846 | # because GNU LD versions before 2.12.1 have buggy support for STV_HIDDEN. | |
1847 | # This is irritatingly difficult to feature test for; we have to check the | |
1848 | # date string after the version number. If we've got an in-tree | |
1849 | # ld, we don't know its patchlevel version, so we set the baseline at 2.13 | |
1850 | # to be safe. | |
1851 | # The gcc_GAS_CHECK_FEATURE call just sets a cache variable. | |
1852 | gcc_GAS_CHECK_FEATURE([.hidden], gcc_cv_as_hidden, | |
1853 | [elf,2,13,0],, | |
1854 | [ .hidden foobar | |
1855 | foobar:]) | |
1856 | ||
1857 | AC_CACHE_CHECK(linker for .hidden support, gcc_cv_ld_hidden, | |
1858 | [if test $in_tree_ld = yes ; then | |
1859 | gcc_cv_ld_hidden=no | |
1860 | if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 13 -o "$gcc_cv_gld_major_version" -gt 2 \ | |
1861 | && test $in_tree_ld_is_elf = yes; then | |
1862 | gcc_cv_ld_hidden=yes | |
1863 | fi | |
1864 | else | |
1865 | gcc_cv_ld_hidden=yes | |
bace148a | 1866 | ld_ver=`$gcc_cv_ld --version 2>/dev/null | sed 1q` |
8ada417f | 1867 | if echo "$ld_ver" | grep GNU > /dev/null; then |
c72931a6 | 1868 | changequote(,)dnl |
8ada417f ZW |
1869 | ld_vers=`echo $ld_ver | sed -n \ |
1870 | -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\)$,\1,p' \ | |
1871 | -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)$,\1,p' \ | |
1872 | -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)$,\1,p' \ | |
1873 | -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\)[ ].*$,\1,p' \ | |
1874 | -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)[ ].*$,\1,p' \ | |
1875 | -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)[ ].*$,\1,p'` | |
1876 | ld_date=`echo $ld_ver | sed -n 's,^.*\([2-9][0-9][0-9][0-9]\)[-]*\([01][0-9]\)[-]*\([0-3][0-9]\).*$,\1\2\3,p'` | |
1877 | if test 0"$ld_date" -lt 20020404; then | |
1878 | if test -n "$ld_date"; then | |
1879 | # If there was date string, but was earlier than 2002-04-04, fail | |
1880 | gcc_cv_ld_hidden=no | |
1881 | elif test -z "$ld_vers"; then | |
1882 | # If there was no date string nor ld version number, something is wrong | |
1883 | gcc_cv_ld_hidden=no | |
1884 | else | |
1885 | ld_vers_major=`expr "$ld_vers" : '\([0-9]*\)'` | |
1886 | ld_vers_minor=`expr "$ld_vers" : '[0-9]*\.\([0-9]*\)'` | |
1887 | ld_vers_patch=`expr "$ld_vers" : '[0-9]*\.[0-9]*\.\([0-9]*\)'` | |
1888 | test -z "$ld_vers_patch" && ld_vers_patch=0 | |
1889 | if test "$ld_vers_major" -lt 2; then | |
1890 | gcc_cv_ld_hidden=no | |
1891 | elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -lt 12; then | |
1892 | gcc_cv_ld_hidden="no" | |
1893 | elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -eq 12 -a "$ld_vers_patch" -eq 0; then | |
1894 | gcc_cv_ld_hidden=no | |
c72931a6 | 1895 | fi |
8ada417f ZW |
1896 | fi |
1897 | changequote([,])dnl | |
789b7de5 | 1898 | fi |
8ada417f | 1899 | else |
28690784 | 1900 | case "${target}" in |
b0fd7d27 | 1901 | hppa64*-*-hpux* | ia64*-*-hpux*) |
28690784 JDA |
1902 | gcc_cv_ld_hidden=yes |
1903 | ;; | |
1904 | *) | |
1905 | gcc_cv_ld_hidden=no | |
1906 | ;; | |
1907 | esac | |
8ada417f ZW |
1908 | fi |
1909 | fi]) | |
1910 | libgcc_visibility=no | |
9e944a16 | 1911 | AC_SUBST(libgcc_visibility) |
0f31374d | 1912 | if test $gcc_cv_as_hidden = yes && test $gcc_cv_ld_hidden = yes; then |
8ada417f ZW |
1913 | libgcc_visibility=yes |
1914 | AC_DEFINE(HAVE_GAS_HIDDEN, 1, | |
1915 | [Define if your assembler and linker support .hidden.]) | |
1916 | fi | |
6a9c5260 | 1917 | |
8ada417f ZW |
1918 | # Check if we have .[us]leb128, and support symbol arithmetic with it. |
1919 | gcc_GAS_CHECK_FEATURE([.sleb128 and .uleb128], gcc_cv_as_leb128, | |
1920 | [elf,2,11,0],, | |
1921 | [ .data | |
b7460f24 RH |
1922 | .uleb128 L2 - L1 |
1923 | L1: | |
1924 | .uleb128 1280 | |
1925 | .sleb128 -1010 | |
8ada417f ZW |
1926 | L2:], |
1927 | [# GAS versions before 2.11 do not support uleb128, | |
1928 | # despite appearing to. | |
1929 | # ??? There exists an elf-specific test that will crash | |
1930 | # the assembler. Perhaps it's better to figure out whether | |
1931 | # arbitrary sections are supported and try the test. | |
bace148a | 1932 | as_ver=`$gcc_cv_as --version 2>/dev/null | sed 1q` |
8ada417f | 1933 | if echo "$as_ver" | grep GNU > /dev/null; then |
78e766a0 | 1934 | changequote(,)dnl |
8ada417f ZW |
1935 | as_ver=`echo $as_ver | sed -e 's/GNU assembler \([0-9.][0-9.]*\).*/\1/'` |
1936 | as_major=`echo $as_ver | sed 's/\..*//'` | |
1937 | as_minor=`echo $as_ver | sed 's/[^.]*\.\([0-9]*\).*/\1/'` | |
78e766a0 | 1938 | changequote([,])dnl |
8ada417f ZW |
1939 | if test $as_major -eq 2 && test $as_minor -lt 11 |
1940 | then : | |
1941 | else gcc_cv_as_leb128=yes | |
1942 | fi | |
1943 | fi], | |
1944 | [AC_DEFINE(HAVE_AS_LEB128, 1, | |
1945 | [Define if your assembler supports .sleb128 and .uleb128.])]) | |
1946 | ||
1947 | # GAS versions up to and including 2.11.0 may mis-optimize | |
1948 | # .eh_frame data. | |
1949 | gcc_GAS_CHECK_FEATURE(eh_frame optimization, gcc_cv_as_eh_frame, | |
1950 | [elf,2,12,0],, | |
1951 | [ .text | |
c64688ae RH |
1952 | .LFB1: |
1953 | .4byte 0 | |
1954 | .L1: | |
1955 | .4byte 0 | |
1956 | .LFE1: | |
1957 | .section .eh_frame,"aw",@progbits | |
1958 | __FRAME_BEGIN__: | |
1959 | .4byte .LECIE1-.LSCIE1 | |
1960 | .LSCIE1: | |
1961 | .4byte 0x0 | |
1962 | .byte 0x1 | |
1963 | .ascii "z\0" | |
1964 | .byte 0x1 | |
1965 | .byte 0x78 | |
1966 | .byte 0x1a | |
1967 | .byte 0x0 | |
1968 | .byte 0x4 | |
1969 | .4byte 1 | |
1970 | .p2align 1 | |
1971 | .LECIE1: | |
1972 | .LSFDE1: | |
1973 | .4byte .LEFDE1-.LASFDE1 | |
1974 | .LASFDE1: | |
1975 | .4byte .LASFDE1-__FRAME_BEGIN__ | |
1976 | .4byte .LFB1 | |
1977 | .4byte .LFE1-.LFB1 | |
1978 | .byte 0x4 | |
1979 | .4byte .LFE1-.LFB1 | |
1980 | .byte 0x4 | |
1981 | .4byte .L1-.LFB1 | |
8ada417f | 1982 | .LEFDE1:], |
ba479fd2 NN |
1983 | [ dnl # For autoconf 2.5x, must protect trailing spaces with @&t@. |
1984 | cat > conftest.lit <<EOF | |
c64688ae RH |
1985 | 0000 10000000 00000000 017a0001 781a0004 .........z..x... |
1986 | 0010 01000000 12000000 18000000 00000000 ................ | |
ba479fd2 | 1987 | 0020 08000000 04080000 0044 .........D @&t@ |
01efb963 | 1988 | EOF |
ba479fd2 | 1989 | cat > conftest.big <<EOF |
01efb963 AS |
1990 | 0000 00000010 00000000 017a0001 781a0004 .........z..x... |
1991 | 0010 00000001 00000012 00000018 00000000 ................ | |
ba479fd2 | 1992 | 0020 00000008 04000000 0844 .........D @&t@ |
c64688ae | 1993 | EOF |
8ada417f ZW |
1994 | # If the assembler didn't choke, and we can objdump, |
1995 | # and we got the correct data, then succeed. | |
1996 | if test x$gcc_cv_objdump != x \ | |
1997 | && $gcc_cv_objdump -s -j .eh_frame conftest.o 2>/dev/null \ | |
1998 | | tail -3 > conftest.got \ | |
1999 | && { cmp conftest.lit conftest.got > /dev/null 2>&1 \ | |
2000 | || cmp conftest.big conftest.got > /dev/null 2>&1; } | |
2001 | then | |
2002 | gcc_cv_as_eh_frame=yes | |
2003 | elif AC_TRY_COMMAND($gcc_cv_as -o conftest.o --traditional-format /dev/null); then | |
2004 | gcc_cv_as_eh_frame=buggy | |
2005 | else | |
2006 | # Uh oh, what do we do now? | |
2007 | gcc_cv_as_eh_frame=no | |
2008 | fi]) | |
2009 | ||
2010 | if test $gcc_cv_as_eh_frame = buggy; then | |
2011 | AC_DEFINE(USE_AS_TRADITIONAL_FORMAT, 1, | |
2012 | [Define if your assembler mis-optimizes .eh_frame data.]) | |
201556f0 | 2013 | fi |
201556f0 | 2014 | |
8ada417f ZW |
2015 | gcc_GAS_CHECK_FEATURE(section merging support, gcc_cv_as_shf_merge, |
2016 | [elf,2,12,0], [--fatal-warnings], | |
5d4856a0 RO |
2017 | [.section .rodata.str, "aMS", @progbits, 1]) |
2018 | AC_DEFINE_UNQUOTED(HAVE_GAS_SHF_MERGE, | |
2019 | [`if test $gcc_cv_as_shf_merge = yes; then echo 1; else echo 0; fi`], | |
2020 | [Define 0/1 if your assembler supports marking sections with SHF_MERGE flag.]) | |
8ada417f ZW |
2021 | |
2022 | # Thread-local storage - the check is heavily parametrized. | |
f996902d RH |
2023 | conftest_s= |
2024 | tls_first_major= | |
2025 | tls_first_minor= | |
9739c90c | 2026 | tls_as_opt= |
f996902d RH |
2027 | case "$target" in |
2028 | changequote(,)dnl | |
6f9b006d RH |
2029 | alpha*-*-*) |
2030 | conftest_s=' | |
2031 | .section ".tdata","awT",@progbits | |
2032 | foo: .long 25 | |
2033 | .text | |
2034 | ldq $27,__tls_get_addr($29) !literal!1 | |
2035 | lda $16,foo($29) !tlsgd!1 | |
2036 | jsr $26,($27),__tls_get_addr !lituse_tlsgd!1 | |
2037 | ldq $27,__tls_get_addr($29) !literal!2 | |
2038 | lda $16,foo($29) !tlsldm!2 | |
2039 | jsr $26,($27),__tls_get_addr !lituse_tlsldm!2 | |
2040 | ldq $1,foo($29) !gotdtprel | |
2041 | ldah $2,foo($29) !dtprelhi | |
2042 | lda $3,foo($2) !dtprello | |
2043 | lda $4,foo($29) !dtprel | |
2044 | ldq $1,foo($29) !gottprel | |
2045 | ldah $2,foo($29) !tprelhi | |
2046 | lda $3,foo($2) !tprello | |
2047 | lda $4,foo($29) !tprel' | |
2048 | tls_first_major=2 | |
2049 | tls_first_minor=13 | |
2050 | ;; | |
f996902d | 2051 | i[34567]86-*-*) |
f996902d RH |
2052 | conftest_s=' |
2053 | .section ".tdata","awT",@progbits | |
2054 | foo: .long 25 | |
2055 | .text | |
2056 | movl %gs:0, %eax | |
2057 | leal foo@TLSGD(,%ebx,1), %eax | |
2058 | leal foo@TLSLDM(%ebx), %eax | |
2059 | leal foo@DTPOFF(%eax), %edx | |
2060 | movl foo@GOTTPOFF(%ebx), %eax | |
2061 | subl foo@GOTTPOFF(%ebx), %eax | |
75d38379 JJ |
2062 | addl foo@GOTNTPOFF(%ebx), %eax |
2063 | movl foo@INDNTPOFF, %eax | |
f996902d RH |
2064 | movl $foo@TPOFF, %eax |
2065 | subl $foo@TPOFF, %eax | |
2066 | leal foo@NTPOFF(%ecx), %eax' | |
2067 | tls_first_major=2 | |
75d38379 JJ |
2068 | tls_first_minor=14 |
2069 | ;; | |
2070 | x86_64-*-*) | |
2071 | conftest_s=' | |
2072 | .section ".tdata","awT",@progbits | |
2073 | foo: .long 25 | |
2074 | .text | |
2075 | movq %fs:0, %rax | |
2076 | leaq foo@TLSGD(%rip), %rdi | |
2077 | leaq foo@TLSLD(%rip), %rdi | |
2078 | leaq foo@DTPOFF(%rax), %rdx | |
2079 | movq foo@GOTTPOFF(%rip), %rax | |
2080 | movq $foo@TPOFF, %rax' | |
2081 | tls_first_major=2 | |
2082 | tls_first_minor=14 | |
f996902d | 2083 | ;; |
7b6e506e RH |
2084 | ia64-*-*) |
2085 | conftest_s=' | |
2086 | .section ".tdata","awT",@progbits | |
2087 | foo: data8 25 | |
2088 | .text | |
2089 | addl r16 = @ltoff(@dtpmod(foo#)), gp | |
2090 | addl r17 = @ltoff(@dtprel(foo#)), gp | |
2091 | addl r18 = @ltoff(@tprel(foo#)), gp | |
2092 | addl r19 = @dtprel(foo#), gp | |
2093 | adds r21 = @dtprel(foo#), r13 | |
2094 | movl r23 = @dtprel(foo#) | |
2095 | addl r20 = @tprel(foo#), gp | |
2096 | adds r22 = @tprel(foo#), r13 | |
2097 | movl r24 = @tprel(foo#)' | |
2098 | tls_first_major=2 | |
2099 | tls_first_minor=13 | |
2100 | ;; | |
c4501e62 JJ |
2101 | powerpc-*-*) |
2102 | conftest_s=' | |
2103 | .section ".tdata","awT",@progbits | |
2104 | .align 2 | |
2105 | ld0: .space 4 | |
2106 | ld1: .space 4 | |
2107 | x1: .space 4 | |
2108 | x2: .space 4 | |
2109 | x3: .space 4 | |
2110 | .text | |
2111 | addi 3,31,ld0@got@tlsgd | |
2112 | bl __tls_get_addr | |
2113 | addi 3,31,x1@got@tlsld | |
2114 | bl __tls_get_addr | |
2115 | addi 9,3,x1@dtprel | |
2116 | addis 9,3,x2@dtprel@ha | |
2117 | addi 9,9,x2@dtprel@l | |
2118 | lwz 9,x3@got@tprel(31) | |
2119 | add 9,9,x@tls | |
2120 | addi 9,2,x1@tprel | |
2121 | addis 9,2,x2@tprel@ha | |
2122 | addi 9,9,x2@tprel@l' | |
2123 | tls_first_major=2 | |
2124 | tls_first_minor=14 | |
9739c90c | 2125 | tls_as_opt=-a32 |
c4501e62 JJ |
2126 | ;; |
2127 | powerpc64-*-*) | |
2128 | conftest_s=' | |
2129 | .section ".tdata","awT",@progbits | |
2130 | .align 3 | |
2131 | ld0: .space 8 | |
2132 | ld1: .space 8 | |
2133 | x1: .space 8 | |
2134 | x2: .space 8 | |
2135 | x3: .space 8 | |
2136 | .text | |
2137 | addi 3,2,ld0@got@tlsgd | |
2138 | bl .__tls_get_addr | |
2139 | nop | |
2140 | addi 3,2,ld1@toc | |
2141 | bl .__tls_get_addr | |
2142 | nop | |
2143 | addi 3,2,x1@got@tlsld | |
2144 | bl .__tls_get_addr | |
2145 | nop | |
2146 | addi 9,3,x1@dtprel | |
2147 | bl .__tls_get_addr | |
2148 | nop | |
2149 | addis 9,3,x2@dtprel@ha | |
2150 | addi 9,9,x2@dtprel@l | |
2151 | bl .__tls_get_addr | |
2152 | nop | |
2153 | ld 9,x3@got@dtprel(2) | |
2154 | add 9,9,3 | |
2155 | bl .__tls_get_addr | |
2156 | nop' | |
2157 | tls_first_major=2 | |
2158 | tls_first_minor=14 | |
9739c90c | 2159 | tls_as_opt=-a64 |
c4501e62 | 2160 | ;; |
fd3cd001 UW |
2161 | s390-*-*) |
2162 | conftest_s=' | |
2163 | .section ".tdata","awT",@progbits | |
2164 | foo: .long 25 | |
2165 | .text | |
2166 | .long foo@TLSGD | |
2167 | .long foo@TLSLDM | |
2168 | .long foo@DTPOFF | |
2169 | .long foo@NTPOFF | |
2170 | .long foo@GOTNTPOFF | |
2171 | .long foo@INDNTPOFF | |
2172 | l %r1,foo@GOTNTPOFF(%r12) | |
2173 | l %r1,0(%r1):tls_load:foo | |
2174 | bas %r14,0(%r1,%r13):tls_gdcall:foo | |
2175 | bas %r14,0(%r1,%r13):tls_ldcall:foo' | |
2176 | tls_first_major=2 | |
2177 | tls_first_minor=14 | |
9739c90c | 2178 | tls_as_opt=-m31 |
fd3cd001 UW |
2179 | ;; |
2180 | s390x-*-*) | |
2181 | conftest_s=' | |
2182 | .section ".tdata","awT",@progbits | |
2183 | foo: .long 25 | |
2184 | .text | |
2185 | .quad foo@TLSGD | |
2186 | .quad foo@TLSLDM | |
2187 | .quad foo@DTPOFF | |
2188 | .quad foo@NTPOFF | |
2189 | .quad foo@GOTNTPOFF | |
2190 | lg %r1,foo@GOTNTPOFF(%r12) | |
2191 | larl %r1,foo@INDNTPOFF | |
2192 | brasl %r14,__tls_get_offset@PLT:tls_gdcall:foo | |
2193 | brasl %r14,__tls_get_offset@PLT:tls_ldcall:foo' | |
2194 | tls_first_major=2 | |
2195 | tls_first_minor=14 | |
9739c90c | 2196 | tls_as_opt="-m64 -Aesame" |
fd3cd001 | 2197 | ;; |
9ff13962 KK |
2198 | sh-*-* | sh[34]-*-*) |
2199 | conftest_s=' | |
2200 | .section ".tdata","awT",@progbits | |
2201 | foo: .long 25 | |
2202 | .text | |
2203 | .long foo@TLSGD | |
2204 | .long foo@TLSLDM | |
2205 | .long foo@DTPOFF | |
2206 | .long foo@GOTTPOFF | |
2207 | .long foo@TPOFF' | |
2208 | tls_first_major=2 | |
2209 | tls_first_minor=13 | |
2210 | ;; | |
5751a10b JJ |
2211 | sparc*-*-*) |
2212 | conftest_s=' | |
2213 | .section ".tdata","awT",@progbits | |
2214 | foo: .long 25 | |
2215 | .text | |
2216 | sethi %tgd_hi22(foo), %o0 | |
2217 | add %o0, %tgd_lo10(foo), %o1 | |
2218 | add %l7, %o1, %o0, %tgd_add(foo) | |
2219 | call __tls_get_addr, %tgd_call(foo) | |
2220 | sethi %tldm_hi22(foo), %l1 | |
2221 | add %l1, %tldm_lo10(foo), %l2 | |
2222 | add %l7, %l2, %o0, %tldm_add(foo) | |
2223 | call __tls_get_addr, %tldm_call(foo) | |
2224 | sethi %tldo_hix22(foo), %l3 | |
2225 | xor %l3, %tldo_lox10(foo), %l4 | |
2226 | add %o0, %l4, %l5, %tldo_add(foo) | |
2227 | sethi %tie_hi22(foo), %o3 | |
2228 | add %o3, %tie_lo10(foo), %o3 | |
2229 | ld [%l7 + %o3], %o2, %tie_ld(foo) | |
2230 | add %g7, %o2, %o4, %tie_add(foo) | |
2231 | sethi %tle_hix22(foo), %l1 | |
2232 | xor %l1, %tle_lox10(foo), %o5 | |
2233 | ld [%g7 + %o5], %o1' | |
2234 | tls_first_major=2 | |
2235 | tls_first_minor=14 | |
2236 | tls_as_opt=-32 | |
2237 | ;; | |
2238 | changequote([,])dnl | |
f996902d RH |
2239 | esac |
2240 | if test -z "$tls_first_major"; then | |
8ada417f ZW |
2241 | : # If we don't have a check, assume no support. |
2242 | else | |
2243 | gcc_GAS_CHECK_FEATURE(thread-local storage support, gcc_cv_as_tls, | |
2244 | [$tls_first_major,$tls_first_minor,0], [$tls_as_opt --fatal-warnings], | |
2245 | [$conftest_s],, | |
2246 | [AC_DEFINE(HAVE_AS_TLS, 1, | |
2247 | [Define if your assembler supports thread-local storage.])]) | |
f996902d | 2248 | fi |
8ada417f ZW |
2249 | |
2250 | # Target-specific assembler checks. | |
f996902d | 2251 | |
275b60d6 | 2252 | case "$target" in |
3a37b08e RH |
2253 | # All TARGET_ABI_OSF targets. |
2254 | alpha*-*-osf* | alpha*-*-linux* | alpha*-*-*bsd*) | |
8ada417f ZW |
2255 | gcc_GAS_CHECK_FEATURE([explicit relocation support], |
2256 | gcc_cv_as_alpha_explicit_relocs, [2,12,0],, | |
2257 | [ .set nomacro | |
3a37b08e RH |
2258 | .text |
2259 | extbl $3, $2, $3 !lituse_bytoff!1 | |
2260 | ldq $2, a($29) !literal!1 | |
2261 | ldq $4, b($29) !literal!2 | |
2262 | ldq_u $3, 0($2) !lituse_base!1 | |
2263 | ldq $27, f($29) !literal!5 | |
2264 | jsr $26, ($27), f !lituse_jsr!5 | |
2265 | ldah $29, 0($26) !gpdisp!3 | |
2266 | lda $0, c($29) !gprel | |
2267 | ldah $1, d($29) !gprelhigh | |
2268 | lda $1, d($1) !gprellow | |
8ada417f ZW |
2269 | lda $29, 0($29) !gpdisp!3],, |
2270 | [AC_DEFINE(HAVE_AS_EXPLICIT_RELOCS, 1, | |
2271 | [Define if your assembler supports explicit relocations.])]) | |
3a37b08e | 2272 | ;; |
e95b1e6a | 2273 | |
8ada417f ZW |
2274 | sparc*-*-*) |
2275 | gcc_GAS_CHECK_FEATURE([.register], gcc_cv_as_sparc_register_op,,, | |
2276 | [.register %g2, #scratch],, | |
2277 | [AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1, | |
2278 | [Define if your assembler supports .register.])]) | |
2279 | ||
2280 | gcc_GAS_CHECK_FEATURE([-relax option], gcc_cv_as_sparc_relax,, | |
2281 | [-relax], [.text],, | |
2282 | [AC_DEFINE(HAVE_AS_RELAX_OPTION, 1, | |
2283 | [Define if your assembler supports -relax option.])]) | |
2284 | ||
2285 | gcc_GAS_CHECK_FEATURE([unaligned pcrel relocs], | |
2286 | gcc_cv_as_sparc_ua_pcrel,, | |
2287 | [-K PIC], | |
2288 | [.text | |
2289 | foo: | |
2290 | nop | |
2291 | .data | |
2292 | .align 4 | |
2293 | .byte 0 | |
2294 | .uaword %r_disp32(foo)], | |
2295 | [if test x$gcc_cv_ld != x \ | |
2296 | && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1; then | |
2297 | gcc_cv_as_sparc_ua_pcrel=yes | |
2298 | fi | |
2299 | rm -f conftest], | |
2300 | [AC_DEFINE(HAVE_AS_SPARC_UA_PCREL, 1, | |
17e9e88c | 2301 | [Define if your assembler and linker support unaligned PC relative relocs.]) |
cf7b8b0d | 2302 | |
8ada417f ZW |
2303 | gcc_GAS_CHECK_FEATURE([unaligned pcrel relocs against hidden symbols], |
2304 | gcc_cv_as_sparc_ua_pcrel_hidden,, | |
2305 | [-K PIC], | |
2306 | [.data | |
2307 | .align 4 | |
2308 | .byte 0x31 | |
2309 | .uaword %r_disp32(foo) | |
2310 | .byte 0x32, 0x33, 0x34 | |
2311 | .global foo | |
2312 | .hidden foo | |
2313 | foo: | |
2314 | .skip 4], | |
2315 | [if test x$gcc_cv_ld != x && test x$gcc_cv_objdump != x \ | |
2316 | && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1 \ | |
2317 | && $gcc_cv_objdump -s -j .data conftest 2> /dev/null \ | |
2318 | | grep ' 31000000 07323334' > /dev/null 2>&1; then | |
2319 | if $gcc_cv_objdump -R conftest 2> /dev/null \ | |
2320 | | grep 'DISP32' > /dev/null 2>&1; then | |
2321 | : | |
22252625 | 2322 | else |
8ada417f | 2323 | gcc_cv_as_sparc_ua_pcrel_hidden=yes |
5b68c389 | 2324 | fi |
8ada417f ZW |
2325 | fi |
2326 | rm -f conftest], | |
2327 | [AC_DEFINE(HAVE_AS_SPARC_UA_PCREL_HIDDEN, 1, | |
2328 | [Define if your assembler and linker support unaligned PC relative relocs against hidden symbols.])]) | |
2329 | ]) # unaligned pcrel relocs | |
2330 | ||
2331 | gcc_GAS_CHECK_FEATURE([offsetable %lo()], | |
2332 | gcc_cv_as_sparc_offsetable_lo10,, | |
2333 | [-xarch=v9], | |
2334 | [.text | |
2335 | or %g1, %lo(ab) + 12, %g1 | |
2336 | or %g1, %lo(ab + 12), %g1], | |
2337 | [if test x$gcc_cv_objdump != x \ | |
2338 | && %gcc_cv_objdump -s -j .text conftest.o 2> /dev/null \ | |
2339 | | grep ' 82106000 82106000' > /dev/null 2>&1; then | |
2340 | gcc_cv_as_offsetable_lo10=yes | |
2341 | fi], | |
2342 | [AC_DEFINE(HAVE_AS_OFFSETABLE_LO10, 1, | |
2343 | [Define if your assembler supports offsetable %lo().])]) | |
1cb36a98 RH |
2344 | ;; |
2345 | ||
2346 | changequote(,)dnl | |
c307e6dd | 2347 | i[34567]86-*-* | x86_64-*-*) |
1cb36a98 | 2348 | changequote([,])dnl |
8ada417f ZW |
2349 | gcc_GAS_CHECK_FEATURE([filds and fists mnemonics], |
2350 | gcc_cv_as_ix86_filds_fists, | |
2351 | [2,9,0],, [filds mem; fists mem],, | |
2352 | [AC_DEFINE(HAVE_GAS_FILDS_FISTS, 1, | |
2353 | [Define if your assembler uses the new HImode fild and fist notation.])]) | |
2354 | ||
f6f5dff2 RO |
2355 | gcc_GAS_CHECK_FEATURE([cmov syntax], |
2356 | gcc_cv_as_ix86_cmov_sun_syntax,,, | |
2357 | [cmovl.l %edx, %eax],, | |
2358 | [AC_DEFINE(HAVE_AS_IX86_CMOV_SUN_SYNTAX, 1, | |
2359 | [Define if your assembler supports the Sun syntax for cmov.])]) | |
2360 | ||
6f3ca281 ZW |
2361 | # This one is used unconditionally by i386.[ch]; it is to be defined |
2362 | # to 1 if the feature is present, 0 otherwise. | |
8ada417f ZW |
2363 | gcc_GAS_CHECK_FEATURE([GOTOFF in data], |
2364 | gcc_cv_as_ix86_gotoff_in_data, [2,11,0],, | |
2365 | [ .text | |
f88c65f7 RH |
2366 | .L0: |
2367 | nop | |
2368 | .data | |
6f3ca281 ZW |
2369 | .long .L0@GOTOFF]) |
2370 | AC_DEFINE_UNQUOTED(HAVE_AS_GOTOFF_IN_DATA, | |
2371 | [`if test $gcc_cv_as_ix86_gotoff_in_data = yes; then echo 1; else echo 0; fi`], | |
2372 | [Define true if the assembler supports '.long foo@GOTOFF'.]) | |
1cb36a98 | 2373 | ;; |
ef1ecf87 RH |
2374 | |
2375 | ia64*-*-*) | |
8ada417f ZW |
2376 | gcc_GAS_CHECK_FEATURE([ltoffx and ldxmov relocs], |
2377 | gcc_cv_as_ia64_ltoffx_ldxmov_relocs, [2,14,0],, | |
cfa9ee99 | 2378 | [ .text |
ef1ecf87 RH |
2379 | addl r15 = @ltoffx(x#), gp |
2380 | ;; | |
cfa9ee99 | 2381 | ld8.mov r16 = [[r15]], x#],, |
8ada417f ZW |
2382 | [AC_DEFINE(HAVE_AS_LTOFFX_LDXMOV_RELOCS, 1, |
2383 | [Define if your assembler supports ltoffx and ldxmov relocations.])]) | |
2384 | ||
ef1ecf87 | 2385 | ;; |
8ada417f | 2386 | |
2c4a9cff | 2387 | powerpc*-*-*) |
8ada417f ZW |
2388 | case $target in |
2389 | *-*-aix) conftest_s=' .csect .text[PR]';; | |
2390 | *) conftest_s=' .text';; | |
2391 | esac | |
2392 | conftest_s="$conftest_s | |
2393 | mfcr 3,128" | |
2394 | ||
2395 | gcc_GAS_CHECK_FEATURE([mfcr field support], | |
2396 | gcc_cv_as_powerpc_mfcrf, [2,14,0],, | |
2397 | [$conftest_s],, | |
2398 | [AC_DEFINE(HAVE_AS_MFCRF, 1, | |
2399 | [Define if your assembler supports mfcr field.])]) | |
2c4a9cff | 2400 | ;; |
53b5ce19 | 2401 | |
8ada417f ZW |
2402 | mips*-*-*) |
2403 | gcc_GAS_CHECK_FEATURE([explicit relocation support], | |
2404 | gcc_cv_as_mips_explicit_relocs, [2,14,0],, | |
2405 | [ lw $4,%gp_rel(foo)($4)],, | |
2406 | [if test x$target_cpu_default = x | |
2407 | then target_cpu_default=MASK_EXPLICIT_RELOCS | |
2408 | else target_cpu_default="($target_cpu_default)|MASK_EXPLICIT_RELOCS" | |
2409 | fi]) | |
2410 | ||
2411 | ;; | |
2412 | esac | |
9d147085 RH |
2413 | # ??? Not all targets support dwarf2 debug_line, even within a version |
2414 | # of gas. Moreover, we need to emit a valid instruction to trigger any | |
2415 | # info to the output file. So, as supported targets are added to gas 2.11, | |
2416 | # add some instruction here to (also) show we expect this might work. | |
2417 | # ??? Once 2.11 is released, probably need to add first known working | |
2418 | # version to the per-target configury. | |
2419 | case "$target" in | |
80486e06 | 2420 | i?86*-*-* | mips*-*-* | alpha*-*-* | powerpc*-*-* | sparc*-*-* | m68*-*-* \ |
2853bc5a | 2421 | | x86_64*-*-* | hppa*-*-* | arm*-*-* | strongarm*-*-* | xscale*-*-* \ |
d116bdf8 | 2422 | | xstormy16*-*-* | cris-*-* | xtensa-*-*) |
9d147085 RH |
2423 | insn="nop" |
2424 | ;; | |
2425 | ia64*-*-*) | |
2426 | insn="nop 0" | |
2427 | ;; | |
2853bc5a HPN |
2428 | mmix-*-*) |
2429 | insn="swym 0" | |
2430 | ;; | |
8ada417f ZW |
2431 | esac |
2432 | if test x"$insn" != x; then | |
2433 | conftest_s="\ | |
2434 | .file 1 \"conftest.s\" | |
2435 | .loc 1 3 0 | |
2436 | $insn" | |
2437 | gcc_GAS_CHECK_FEATURE([dwarf2 debug_line support], | |
2438 | gcc_cv_as_dwarf2_debug_line, | |
2439 | [elf,2,11,0],, [$conftest_s], | |
2440 | [# ??? This fails with non-gnu grep. Maybe use objdump? | |
2441 | if grep debug_line conftest.o > /dev/null 2>&1; then | |
2442 | gcc_cv_as_dwarf2_debug_line=yes | |
2443 | fi]) | |
2444 | ||
2445 | # The .debug_line file table must be in the exact order that | |
2446 | # we specified the files, since these indices are also used | |
2447 | # by DW_AT_decl_file. Approximate this test by testing if | |
2448 | # the assembler bitches if the same index is assigned twice. | |
2449 | gcc_GAS_CHECK_FEATURE([buggy dwarf2 .file directive], | |
2450 | gcc_cv_as_dwarf2_file_buggy,,, | |
2451 | [ .file 1 "foo.s" | |
2452 | .file 1 "bar.s"]) | |
2453 | ||
2454 | if test $gcc_cv_as_dwarf2_debug_line = yes \ | |
2455 | && test $gcc_cv_as_dwarf2_file_buggy = no; then | |
9d147085 | 2456 | AC_DEFINE(HAVE_AS_DWARF2_DEBUG_LINE, 1, |
8ada417f | 2457 | [Define if your assembler supports dwarf2 .file/.loc directives, |
eaec9b3d | 2458 | and preserves file table indices exactly as given.]) |
8ada417f ZW |
2459 | fi |
2460 | ||
2461 | gcc_GAS_CHECK_FEATURE([--gdwarf2 option], | |
2462 | gcc_cv_as_gdwarf2_flag, | |
2463 | [elf,2,11,0], [--gdwarf2], [$insn],, | |
2464 | [AC_DEFINE(HAVE_AS_GDWARF2_DEBUG_FLAG, 1, | |
2465 | [Define if your assembler supports the --gdwarf2 option.])]) | |
2466 | ||
2467 | gcc_GAS_CHECK_FEATURE([--gstabs option], | |
2468 | gcc_cv_as_gstabs_flag, | |
2469 | [elf,2,11,0], [--gstabs], [$insn], | |
2470 | [# The native Solaris 9/Intel assembler doesn't understand --gstabs | |
2471 | # and warns about it, but still exits successfully. So check for | |
2472 | # this. | |
2473 | if AC_TRY_COMMAND([$gcc_cv_as --gstabs -o conftest.o conftest.s 2>&1 | grep -i warning > /dev/null]) | |
2474 | then : | |
2475 | else gcc_cv_as_gstabs_flag=yes | |
2476 | fi], | |
2477 | [AC_DEFINE(HAVE_AS_GSTABS_DEBUG_FLAG, 1, | |
2478 | [Define if your assembler supports the --gstabs option.])]) | |
9d147085 | 2479 | fi |
5f0e9ea2 | 2480 | |
96d0f4dc JJ |
2481 | AC_MSG_CHECKING(linker read-only and read-write section mixing) |
2482 | gcc_cv_ld_ro_rw_mix=unknown | |
34a86c2b | 2483 | if test $in_tree_ld = yes ; then |
5408ac6c HPN |
2484 | if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 10 -o "$gcc_cv_gld_major_version" -gt 2 \ |
2485 | && test $in_tree_ld_is_elf = yes; then | |
96d0f4dc JJ |
2486 | gcc_cv_ld_ro_rw_mix=read-write |
2487 | fi | |
2488 | elif test x$gcc_cv_as != x -a x$gcc_cv_ld != x -a x$gcc_cv_objdump != x ; then | |
90e145da KC |
2489 | echo '.section myfoosect, "a"' > conftest1.s |
2490 | echo '.section myfoosect, "aw"' > conftest2.s | |
96d0f4dc | 2491 | echo '.byte 1' >> conftest2.s |
90e145da | 2492 | echo '.section myfoosect, "a"' > conftest3.s |
96d0f4dc | 2493 | echo '.byte 0' >> conftest3.s |
6cd656d0 KC |
2494 | if $gcc_cv_as -o conftest1.o conftest1.s > /dev/null 2>&1 \ |
2495 | && $gcc_cv_as -o conftest2.o conftest2.s > /dev/null 2>&1 \ | |
2496 | && $gcc_cv_as -o conftest3.o conftest3.s > /dev/null 2>&1 \ | |
96d0f4dc | 2497 | && $gcc_cv_ld -shared -o conftest1.so conftest1.o \ |
c6cc7e13 | 2498 | conftest2.o conftest3.o > /dev/null 2>&1; then |
96d0f4dc | 2499 | gcc_cv_ld_ro_rw_mix=`$gcc_cv_objdump -h conftest1.so \ |
c6cc7e13 | 2500 | | sed -e '/myfoosect/!d' -e N` |
96d0f4dc JJ |
2501 | if echo "$gcc_cv_ld_ro_rw_mix" | grep CONTENTS > /dev/null; then |
2502 | if echo "$gcc_cv_ld_ro_rw_mix" | grep READONLY > /dev/null; then | |
2503 | gcc_cv_ld_ro_rw_mix=read-only | |
2504 | else | |
2505 | gcc_cv_ld_ro_rw_mix=read-write | |
2506 | fi | |
2507 | fi | |
2508 | fi | |
2509 | changequote(,)dnl | |
2510 | rm -f conftest.* conftest[123].* | |
2511 | changequote([,])dnl | |
2512 | fi | |
2513 | if test x$gcc_cv_ld_ro_rw_mix = xread-write; then | |
2514 | AC_DEFINE(HAVE_LD_RO_RW_SECTION_MIXING, 1, | |
2515 | [Define if your linker links a mix of read-only | |
2516 | and read-write sections into a read-write section.]) | |
2517 | fi | |
2518 | AC_MSG_RESULT($gcc_cv_ld_ro_rw_mix) | |
2519 | ||
275b60d6 JJ |
2520 | AC_MSG_CHECKING(linker PT_GNU_EH_FRAME support) |
2521 | gcc_cv_ld_eh_frame_hdr=no | |
34a86c2b | 2522 | if test $in_tree_ld = yes ; then |
5408ac6c HPN |
2523 | if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 12 -o "$gcc_cv_gld_major_version" -gt 2 \ |
2524 | && test $in_tree_ld_is_elf = yes; then | |
275b60d6 JJ |
2525 | gcc_cv_ld_eh_frame_hdr=yes |
2526 | fi | |
2527 | elif test x$gcc_cv_ld != x; then | |
2528 | # Check if linker supports --eh-frame-hdr option | |
2529 | if $gcc_cv_ld --help 2>/dev/null | grep eh-frame-hdr > /dev/null; then | |
2530 | gcc_cv_ld_eh_frame_hdr=yes | |
2531 | fi | |
2532 | fi | |
2533 | if test x"$gcc_cv_ld_eh_frame_hdr" = xyes; then | |
2534 | AC_DEFINE(HAVE_LD_EH_FRAME_HDR, 1, | |
2535 | [Define if your linker supports --eh-frame-hdr option.]) | |
2536 | fi | |
2537 | AC_MSG_RESULT($gcc_cv_ld_eh_frame_hdr) | |
2538 | ||
24a4dd31 JJ |
2539 | AC_MSG_CHECKING(linker position independent executable support) |
2540 | gcc_cv_ld_pie=no | |
2541 | if test $in_tree_ld = yes ; then | |
5408ac6c HPN |
2542 | if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 15 -o "$gcc_cv_gld_major_version" -gt 2 \ |
2543 | && test $in_tree_ld_is_elf = yes; then | |
24a4dd31 JJ |
2544 | gcc_cv_ld_pie=yes |
2545 | fi | |
2546 | elif test x$gcc_cv_ld != x; then | |
2547 | # Check if linker supports -pie option | |
2548 | if $gcc_cv_ld --help 2>/dev/null | grep -- -pie > /dev/null; then | |
2549 | gcc_cv_ld_pie=yes | |
2550 | fi | |
2551 | fi | |
2552 | if test x"$gcc_cv_ld_pie" = xyes; then | |
2553 | AC_DEFINE(HAVE_LD_PIE, 1, | |
2554 | [Define if your linker supports -pie option.]) | |
2555 | fi | |
2556 | AC_MSG_RESULT($gcc_cv_ld_pie) | |
2557 | ||
9fb28a67 | 2558 | if test x$with_sysroot = x && test x$host = x$target \ |
047d636f | 2559 | && test "$prefix" != "/usr" && test "x$prefix" != "x$local_prefix" ; then |
8ada417f ZW |
2560 | AC_DEFINE_UNQUOTED(PREFIX_INCLUDE_DIR, "$prefix/include", |
2561 | [Define to PREFIX/include if cpp should also search that directory.]) | |
793e9558 PB |
2562 | fi |
2563 | ||
571a8de5 | 2564 | # Figure out what language subdirectories are present. |
71205e0b MH |
2565 | # Look if the user specified --enable-languages="..."; if not, use |
2566 | # the environment variable $LANGUAGES if defined. $LANGUAGES might | |
2567 | # go away some day. | |
cc9a08e0 | 2568 | # NB: embedded tabs in this IF block -- do not untabify |
71205e0b MH |
2569 | if test x"${enable_languages+set}" != xset; then |
2570 | if test x"${LANGUAGES+set}" = xset; then | |
cc9a08e0 PE |
2571 | enable_languages="${LANGUAGES}" |
2572 | AC_MSG_WARN([setting LANGUAGES is deprecated, use --enable-languages instead]) | |
2573 | ||
71205e0b MH |
2574 | else |
2575 | enable_languages=all | |
2576 | fi | |
d6c6b553 | 2577 | else |
015089dd TJ |
2578 | if test x"${enable_languages}" = x \ |
2579 | || test x"${enable_languages}" = xyes; | |
cc9a08e0 PE |
2580 | then |
2581 | AC_MSG_ERROR([--enable-languages needs at least one language argument]) | |
d6c6b553 | 2582 | fi |
71205e0b | 2583 | fi |
cc9a08e0 | 2584 | enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'` |
75382c6d TT |
2585 | |
2586 | # First scan to see if an enabled language requires some other language. | |
2587 | # We assume that a given config-lang.in will list all the language | |
2588 | # front ends it requires, even if some are required indirectly. | |
c406e779 | 2589 | for lang in ${srcdir}/*/config-lang.in |
75382c6d TT |
2590 | do |
2591 | case $lang in | |
75382c6d TT |
2592 | # The odd quoting in the next line works around |
2593 | # an apparent bug in bash 1.12 on linux. | |
2594 | changequote(,)dnl | |
2595 | ${srcdir}/[*]/config-lang.in) | |
2596 | ;; | |
2597 | *) | |
2598 | lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang` | |
2599 | this_lang_requires=`sed -n -e 's,^lang_requires=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^lang_requires=\([^ ]*\).*$,\1,p' $lang` | |
2600 | for other in $this_lang_requires | |
2601 | do | |
2602 | case ,${enable_languages}, in | |
2603 | *,$other,*) | |
2604 | ;; | |
2605 | *,all,*) | |
2606 | ;; | |
1bf17cc4 | 2607 | *,$lang_alias,*) |
75382c6d TT |
2608 | enable_languages="$enable_languages,$other" |
2609 | ;; | |
2610 | esac | |
2611 | done | |
2612 | ;; | |
2613 | changequote([,])dnl | |
2614 | esac | |
2615 | done | |
2616 | ||
015089dd TJ |
2617 | expected_languages=`echo ,${enable_languages}, | sed -e 's:,: :g' -e 's: *: :g' -e 's: *: :g' -e 's:^ ::' -e 's: $::'` |
2618 | found_languages= | |
571a8de5 | 2619 | subdirs= |
c406e779 | 2620 | for lang in ${srcdir}/*/config-lang.in |
571a8de5 DE |
2621 | do |
2622 | case $lang in | |
571a8de5 DE |
2623 | # The odd quoting in the next line works around |
2624 | # an apparent bug in bash 1.12 on linux. | |
75bffa71 ILT |
2625 | changequote(,)dnl |
2626 | ${srcdir}/[*]/config-lang.in) ;; | |
71205e0b MH |
2627 | *) |
2628 | lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang` | |
2b60b2cb AO |
2629 | this_lang_libs=`sed -n -e 's,^target_libs=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^target_libs=\([^ ]*\).*$,\1,p' $lang` |
2630 | build_by_default=`sed -n -e 's,^build_by_default=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^build_by_default=\([^ ]*\).*$,\1,p' $lang` | |
71205e0b MH |
2631 | if test "x$lang_alias" = x |
2632 | then | |
2633 | echo "$lang doesn't set \$language." 1>&2 | |
2634 | exit 1 | |
2635 | fi | |
2b60b2cb AO |
2636 | case ${build_by_default},${enable_languages}, in |
2637 | *,$lang_alias,*) add_this_lang=yes ;; | |
2638 | no,*) add_this_lang=no ;; | |
2639 | *,all,*) add_this_lang=yes ;; | |
2640 | *) add_this_lang=no ;; | |
2641 | esac | |
015089dd | 2642 | found_languages="${found_languages} ${lang_alias}" |
71205e0b MH |
2643 | if test x"${add_this_lang}" = xyes; then |
2644 | case $lang in | |
2645 | ${srcdir}/ada/config-lang.in) | |
1ffc5c6e | 2646 | if test x$have_gnat = xyes ; then |
71205e0b MH |
2647 | subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`" |
2648 | fi | |
2649 | ;; | |
2650 | *) | |
2651 | subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`" | |
2652 | ;; | |
2653 | esac | |
2654 | fi | |
2655 | ;; | |
75bffa71 | 2656 | changequote([,])dnl |
571a8de5 DE |
2657 | esac |
2658 | done | |
2659 | ||
015089dd TJ |
2660 | missing_languages= |
2661 | for expected_language in ${expected_languages} .. | |
2662 | do | |
2663 | if test "${expected_language}" != ..; then | |
2664 | missing_language="${expected_language}" | |
2665 | if test "${expected_language}" = "c" \ | |
2666 | || test "${expected_language}" = "all"; then | |
2667 | missing_language= | |
2668 | fi | |
2669 | for found_language in ${found_languages} .. | |
2670 | do | |
2671 | if test "${found_language}" != ..; then | |
2672 | if test "${expected_language}" = "${found_language}"; then | |
2673 | missing_language= | |
2674 | fi | |
2675 | fi | |
2676 | done | |
2677 | if test "x${missing_language}" != x; then | |
2678 | missing_languages="${missing_languages} ${missing_language}" | |
2679 | fi | |
2680 | fi | |
2681 | done | |
2682 | ||
2683 | if test "x$missing_languages" != x; then | |
2684 | AC_MSG_ERROR([ | |
2685 | The following requested languages were not found:${missing_languages} | |
2686 | The following languages were available: c${found_languages}]) | |
02ef40d9 TJ |
2687 | fi |
2688 | ||
f24af81b TT |
2689 | # Make gthr-default.h if we have a thread file. |
2690 | gthread_flags= | |
75bffa71 | 2691 | if test $thread_file != single; then |
f24af81b | 2692 | rm -f gthr-default.h |
db0d1ed9 | 2693 | echo "#include \"gthr-${thread_file}.h\"" > gthr-default.h |
f24af81b TT |
2694 | gthread_flags=-DHAVE_GTHR_DEFAULT |
2695 | fi | |
2696 | AC_SUBST(gthread_flags) | |
2697 | ||
81bf3d9e RH |
2698 | # Find out what GC implementation we want, or may, use. |
2699 | AC_ARG_WITH(gc, | |
b6f61163 | 2700 | [ --with-gc={simple,page,zone} choose the garbage collection mechanism to use |
e8bec136 | 2701 | with the compiler], |
81bf3d9e | 2702 | [case "$withval" in |
b6f61163 | 2703 | simple | page | zone) |
81bf3d9e RH |
2704 | GGC=ggc-$withval |
2705 | ;; | |
2706 | *) | |
2707 | AC_MSG_ERROR([$withval is an invalid option to --with-gc]) | |
2708 | ;; | |
2709 | esac], | |
130fadbb | 2710 | [GGC=ggc-page]) |
81bf3d9e RH |
2711 | AC_SUBST(GGC) |
2712 | echo "Using $GGC for garbage collection." | |
2713 | ||
3c809ba4 | 2714 | # Use the system's zlib library. |
b8dad04b ZW |
2715 | zlibdir=-L../zlib |
2716 | zlibinc="-I\$(srcdir)/../zlib" | |
3c809ba4 AG |
2717 | AC_ARG_WITH(system-zlib, |
2718 | [ --with-system-zlib use installed libz], | |
2719 | zlibdir= | |
2720 | zlibinc= | |
2721 | ) | |
2722 | AC_SUBST(zlibdir) | |
2723 | AC_SUBST(zlibinc) | |
2724 | ||
dc6746e7 PT |
2725 | dnl Very limited version of automake's enable-maintainer-mode |
2726 | ||
2727 | AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) | |
2728 | dnl maintainer-mode is disabled by default | |
2729 | AC_ARG_ENABLE(maintainer-mode, | |
e8bec136 RO |
2730 | [ --enable-maintainer-mode |
2731 | enable make rules and dependencies not useful | |
dc6746e7 PT |
2732 | (and sometimes confusing) to the casual installer], |
2733 | maintainer_mode=$enableval, | |
2734 | maintainer_mode=no) | |
2735 | ||
2736 | AC_MSG_RESULT($maintainer_mode) | |
2737 | ||
2738 | if test "$maintainer_mode" = "yes"; then | |
2739 | MAINT='' | |
2740 | else | |
2741 | MAINT='#' | |
2742 | fi | |
2743 | AC_SUBST(MAINT)dnl | |
2744 | ||
571a8de5 DE |
2745 | # Make empty files to contain the specs and options for each language. |
2746 | # Then add #include lines to for a compiler that has specs and/or options. | |
2747 | ||
d7b42618 | 2748 | lang_opt_files= |
571a8de5 | 2749 | lang_specs_files= |
3103b7db | 2750 | lang_tree_files= |
571a8de5 DE |
2751 | for subdir in . $subdirs |
2752 | do | |
d7b42618 NB |
2753 | if test -f $srcdir/$subdir/lang.opt; then |
2754 | lang_opt_files="$lang_opt_files $srcdir/$subdir/lang.opt" | |
2755 | fi | |
75bffa71 | 2756 | if test -f $srcdir/$subdir/lang-specs.h; then |
0d24f4d1 | 2757 | lang_specs_files="$lang_specs_files $srcdir/$subdir/lang-specs.h" |
571a8de5 | 2758 | fi |
3103b7db | 2759 | if test -f $srcdir/$subdir/$subdir-tree.def; then |
0d24f4d1 | 2760 | lang_tree_files="$lang_tree_files $srcdir/$subdir/$subdir-tree.def" |
3103b7db | 2761 | fi |
571a8de5 DE |
2762 | done |
2763 | ||
2764 | # These (without "all_") are set in each config-lang.in. | |
2765 | # `language' must be a single word so is spelled singularly. | |
2766 | all_languages= | |
2767 | all_boot_languages= | |
2768 | all_compilers= | |
2769 | all_stagestuff= | |
6eb95e99 | 2770 | all_outputs='Makefile fixinc/Makefile gccbug mklibgcc mkheaders' |
571a8de5 | 2771 | # List of language makefile fragments. |
2ed26f6b ZW |
2772 | all_lang_makefrags= |
2773 | # List of language subdirectory makefiles. Deprecated. | |
571a8de5 | 2774 | all_lang_makefiles= |
e2500fed | 2775 | # Files for gengtype |
ef69da62 | 2776 | all_gtfiles="$target_gtfiles" |
8ac9d31f TJ |
2777 | # Files for gengtype with language |
2778 | all_gtfiles_files_langs= | |
2779 | all_gtfiles_files_files= | |
571a8de5 DE |
2780 | |
2781 | # Add the language fragments. | |
2782 | # Languages are added via two mechanisms. Some information must be | |
2783 | # recorded in makefile variables, these are defined in config-lang.in. | |
2784 | # We accumulate them and plug them into the main Makefile. | |
2785 | # The other mechanism is a set of hooks for each of the main targets | |
2786 | # like `clean', `install', etc. | |
2787 | ||
571a8de5 DE |
2788 | language_hooks="Make-hooks" |
2789 | ||
c406e779 | 2790 | for s in $subdirs |
571a8de5 | 2791 | do |
571a8de5 DE |
2792 | language= |
2793 | boot_language= | |
2794 | compilers= | |
2795 | stagestuff= | |
0280cf84 | 2796 | outputs= |
e2500fed | 2797 | gtfiles= |
571a8de5 | 2798 | . ${srcdir}/$s/config-lang.in |
75bffa71 | 2799 | if test "x$language" = x |
571a8de5 DE |
2800 | then |
2801 | echo "${srcdir}/$s/config-lang.in doesn't set \$language." 1>&2 | |
2802 | exit 1 | |
2803 | fi | |
2ed26f6b | 2804 | all_lang_makefrags="$all_lang_makefrags \$(srcdir)/$s/Make-lang.in" |
72aaffbd | 2805 | if test -f ${srcdir}/$s/Makefile.in |
2ed26f6b | 2806 | then all_lang_makefiles="$s/Makefile" |
72aaffbd | 2807 | fi |
571a8de5 | 2808 | all_languages="$all_languages $language" |
75bffa71 | 2809 | if test "x$boot_language" = xyes |
571a8de5 DE |
2810 | then |
2811 | all_boot_languages="$all_boot_languages $language" | |
2812 | fi | |
2813 | all_compilers="$all_compilers $compilers" | |
2814 | all_stagestuff="$all_stagestuff $stagestuff" | |
0280cf84 | 2815 | all_outputs="$all_outputs $outputs" |
e2500fed | 2816 | all_gtfiles="$all_gtfiles $gtfiles" |
c406e779 | 2817 | for f in $gtfiles |
8ac9d31f | 2818 | do |
8ac9d31f TJ |
2819 | all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} " |
2820 | all_gtfiles_files_files="$all_gtfiles_files_files ${f} " | |
8ac9d31f | 2821 | done |
571a8de5 DE |
2822 | done |
2823 | ||
8ac9d31f TJ |
2824 | # Pick up gtfiles for c |
2825 | gtfiles= | |
2826 | s="c" | |
2827 | . ${srcdir}/c-config-lang.in | |
2828 | all_gtfiles="$all_gtfiles $gtfiles" | |
c406e779 | 2829 | for f in $gtfiles |
8ac9d31f | 2830 | do |
8ac9d31f TJ |
2831 | all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} " |
2832 | all_gtfiles_files_files="$all_gtfiles_files_files ${f} " | |
8ac9d31f TJ |
2833 | done |
2834 | ||
cbc59f01 | 2835 | check_languages= |
c406e779 | 2836 | for language in $all_languages |
cbc59f01 | 2837 | do |
cbc59f01 | 2838 | check_languages="$check_languages check-$language" |
cbc59f01 DD |
2839 | done |
2840 | ||
62b81e45 MM |
2841 | # We link each language in with a set of hooks, reached indirectly via |
2842 | # lang.${target}. | |
571a8de5 DE |
2843 | |
2844 | rm -f Make-hooks | |
2845 | touch Make-hooks | |
65ebbf81 | 2846 | target_list="all.build all.cross start.encap rest.encap tags \ |
97ae108d | 2847 | install-normal install-common install-man \ |
436a88a6 | 2848 | uninstall \ |
a03ad584 | 2849 | mostlyclean clean distclean maintainer-clean \ |
8f231b5d | 2850 | stage1 stage2 stage3 stage4 stageprofile stagefeedback" |
571a8de5 DE |
2851 | for t in $target_list |
2852 | do | |
2853 | x= | |
c406e779 | 2854 | for lang in $all_languages |
571a8de5 | 2855 | do |
ab87f8c8 | 2856 | x="$x $lang.$t" |
571a8de5 DE |
2857 | done |
2858 | echo "lang.$t: $x" >> Make-hooks | |
2859 | done | |
2860 | ||
cc06d68c | 2861 | # Create .gdbinit. |
296e46bd | 2862 | |
cc06d68c GP |
2863 | echo "dir ." > .gdbinit |
2864 | echo "dir ${srcdir}" >> .gdbinit | |
2865 | if test x$gdb_needs_out_file_path = xyes | |
2866 | then | |
2867 | echo "dir ${srcdir}/config/"`dirname ${out_file}` >> .gdbinit | |
2868 | fi | |
2869 | if test "x$subdirs" != x; then | |
2870 | for s in $subdirs | |
2871 | do | |
2872 | echo "dir ${srcdir}/$s" >> .gdbinit | |
2873 | done | |
296e46bd | 2874 | fi |
cc06d68c | 2875 | echo "source ${srcdir}/gdbinit.in" >> .gdbinit |
296e46bd | 2876 | |
8f8d3278 NC |
2877 | # If $(exec_prefix) exists and is not the same as $(prefix), then compute an |
2878 | # absolute path for gcc_tooldir based on inserting the number of up-directory | |
2879 | # movements required to get from $(exec_prefix) to $(prefix) into the basic | |
2880 | # $(libsubdir)/@(unlibsubdir) based path. | |
82cbf8f7 JL |
2881 | # Don't set gcc_tooldir to tooldir since that's only passed in by the toplevel |
2882 | # make and thus we'd get different behavior depending on where we built the | |
2883 | # sources. | |
5949a9fc | 2884 | if test x$exec_prefix = xNONE -o x$exec_prefix = x$prefix; then |
caa55b1e | 2885 | gcc_tooldir='$(libsubdir)/$(unlibsubdir)/../$(target_noncanonical)' |
d062c304 | 2886 | else |
8f8d3278 NC |
2887 | changequote(<<, >>)dnl |
2888 | # An explanation of the sed strings: | |
2889 | # -e 's|^\$(prefix)||' matches and eliminates 'prefix' from 'exec_prefix' | |
2890 | # -e 's|/$||' match a trailing forward slash and eliminates it | |
2891 | # -e 's|^[^/]|/|' forces the string to start with a forward slash (*) | |
ff7cc307 | 2892 | # -e 's|/[^/]*|../|g' replaces each occurrence of /<directory> with ../ |
8f8d3278 NC |
2893 | # |
2894 | # (*) Note this pattern overwrites the first character of the string | |
2895 | # with a forward slash if one is not already present. This is not a | |
2896 | # problem because the exact names of the sub-directories concerned is | |
2897 | # unimportant, just the number of them matters. | |
2898 | # | |
2899 | # The practical upshot of these patterns is like this: | |
2900 | # | |
2901 | # prefix exec_prefix result | |
2902 | # ------ ----------- ------ | |
2903 | # /foo /foo/bar ../ | |
2904 | # /foo/ /foo/bar ../ | |
2905 | # /foo /foo/bar/ ../ | |
2906 | # /foo/ /foo/bar/ ../ | |
2907 | # /foo /foo/bar/ugg ../../ | |
2908 | # | |
4c112cda | 2909 | dollar='$$' |
caa55b1e | 2910 | gcc_tooldir="\$(libsubdir)/\$(unlibsubdir)/\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/\$(dollar)||' -e 's|^[^/]|/|' -e 's|/[^/]*|../|g'\`\$(target_noncanonical)" |
8f8d3278 | 2911 | changequote([, ])dnl |
d062c304 JL |
2912 | fi |
2913 | AC_SUBST(gcc_tooldir) | |
4c112cda | 2914 | AC_SUBST(dollar) |
d062c304 | 2915 | |
2bbea3a6 RH |
2916 | # Find a directory in which to install a shared libgcc. |
2917 | ||
2918 | AC_ARG_ENABLE(version-specific-runtime-libs, | |
e8bec136 RO |
2919 | [ --enable-version-specific-runtime-libs |
2920 | specify that runtime libraries should be | |
2921 | installed in a compiler-specific directory]) | |
2bbea3a6 | 2922 | |
5b15f277 RH |
2923 | AC_ARG_WITH(slibdir, |
2924 | [ --with-slibdir=DIR shared libraries in DIR [LIBDIR]], | |
2925 | slibdir="$with_slibdir", | |
2926 | if test "${enable_version_specific_runtime_libs+set}" = set; then | |
2bbea3a6 | 2927 | slibdir='$(libsubdir)' |
5b15f277 | 2928 | elif test "$host" != "$target"; then |
2bbea3a6 RH |
2929 | slibdir='$(build_tooldir)/lib' |
2930 | else | |
5b15f277 RH |
2931 | slibdir='$(libdir)' |
2932 | fi) | |
2bbea3a6 RH |
2933 | AC_SUBST(slibdir) |
2934 | ||
1e6347d8 | 2935 | objdir=`${PWDCMD-pwd}` |
7e717196 JL |
2936 | AC_SUBST(objdir) |
2937 | ||
46f18e7b RK |
2938 | # Substitute configuration variables |
2939 | AC_SUBST(subdirs) | |
8ac9d31f | 2940 | AC_SUBST(srcdir) |
51b9ff45 KC |
2941 | AC_SUBST(docobjdir) |
2942 | AC_SUBST(parsedir) | |
46f18e7b RK |
2943 | AC_SUBST(all_boot_languages) |
2944 | AC_SUBST(all_compilers) | |
e2500fed | 2945 | AC_SUBST(all_gtfiles) |
8ac9d31f TJ |
2946 | AC_SUBST(all_gtfiles_files_langs) |
2947 | AC_SUBST(all_gtfiles_files_files) | |
2ed26f6b | 2948 | AC_SUBST(all_lang_makefrags) |
9f3d1bc2 BK |
2949 | AC_SUBST(all_lang_makefiles) |
2950 | AC_SUBST(all_languages) | |
9f3d1bc2 BK |
2951 | AC_SUBST(all_stagestuff) |
2952 | AC_SUBST(build_exeext) | |
2953 | AC_SUBST(build_install_headers_dir) | |
2954 | AC_SUBST(build_xm_file_list) | |
e22340b0 | 2955 | AC_SUBST(build_xm_include_list) |
11642c3a | 2956 | AC_SUBST(build_xm_defines) |
cbc59f01 | 2957 | AC_SUBST(check_languages) |
9f3d1bc2 | 2958 | AC_SUBST(cc_set_by_configure) |
5aa82ace | 2959 | AC_SUBST(quoted_cc_set_by_configure) |
9f3d1bc2 | 2960 | AC_SUBST(cpp_install_dir) |
2ed26f6b ZW |
2961 | AC_SUBST(xmake_file) |
2962 | AC_SUBST(tmake_file) | |
9f3d1bc2 | 2963 | AC_SUBST(extra_headers_list) |
46f18e7b | 2964 | AC_SUBST(extra_objs) |
9f3d1bc2 BK |
2965 | AC_SUBST(extra_parts) |
2966 | AC_SUBST(extra_passes) | |
2967 | AC_SUBST(extra_programs) | |
9f3d1bc2 | 2968 | AC_SUBST(float_h_file) |
cc1e60ea | 2969 | AC_SUBST(gcc_config_arguments) |
9f3d1bc2 | 2970 | AC_SUBST(gcc_gxx_include_dir) |
e2187d3b | 2971 | AC_SUBST(libstdcxx_incdir) |
9f3d1bc2 | 2972 | AC_SUBST(gcc_version) |
8763704d | 2973 | AC_SUBST(gcc_version_full) |
9f3d1bc2 BK |
2974 | AC_SUBST(gcc_version_trigger) |
2975 | AC_SUBST(host_exeext) | |
46f18e7b | 2976 | AC_SUBST(host_extra_gcc_objs) |
46f18e7b | 2977 | AC_SUBST(host_xm_file_list) |
e22340b0 | 2978 | AC_SUBST(host_xm_include_list) |
11642c3a | 2979 | AC_SUBST(host_xm_defines) |
476d9098 | 2980 | AC_SUBST(out_host_hook_obj) |
9f3d1bc2 | 2981 | AC_SUBST(install) |
d7b42618 | 2982 | AC_SUBST(lang_opt_files) |
9f3d1bc2 | 2983 | AC_SUBST(lang_specs_files) |
3103b7db | 2984 | AC_SUBST(lang_tree_files) |
46f18e7b | 2985 | AC_SUBST(local_prefix) |
9f3d1bc2 BK |
2986 | AC_SUBST(md_file) |
2987 | AC_SUBST(objc_boehm_gc) | |
2988 | AC_SUBST(out_file) | |
2989 | AC_SUBST(out_object_file) | |
46f18e7b | 2990 | AC_SUBST(stage_prefix_set_by_configure) |
596151e1 | 2991 | AC_SUBST(quoted_stage_prefix_set_by_configure) |
e9a25f70 | 2992 | AC_SUBST(symbolic_link) |
9f3d1bc2 BK |
2993 | AC_SUBST(thread_file) |
2994 | AC_SUBST(tm_file_list) | |
e22340b0 | 2995 | AC_SUBST(tm_include_list) |
d5355cb2 | 2996 | AC_SUBST(tm_defines) |
11642c3a | 2997 | AC_SUBST(tm_p_file_list) |
e22340b0 ZW |
2998 | AC_SUBST(tm_p_include_list) |
2999 | AC_SUBST(xm_file_list) | |
3000 | AC_SUBST(xm_include_list) | |
3d9d2476 | 3001 | AC_SUBST(xm_defines) |
caa55b1e | 3002 | AC_SUBST(target_noncanonical) |
aac69a49 NC |
3003 | AC_SUBST(c_target_objs) |
3004 | AC_SUBST(cxx_target_objs) | |
11642c3a | 3005 | AC_SUBST(target_cpu_default) |
46f18e7b | 3006 | |
46f18e7b RK |
3007 | AC_SUBST_FILE(language_hooks) |
3008 | ||
7903cebc NN |
3009 | # Echo link setup. |
3010 | if test x${build} = x${host} ; then | |
3011 | if test x${host} = x${target} ; then | |
3012 | echo "Links are now set up to build a native compiler for ${target}." 1>&2 | |
3013 | else | |
3014 | echo "Links are now set up to build a cross-compiler" 1>&2 | |
3015 | echo " from ${host} to ${target}." 1>&2 | |
3016 | fi | |
46f18e7b | 3017 | else |
7903cebc NN |
3018 | if test x${host} = x${target} ; then |
3019 | echo "Links are now set up to build (on ${build}) a native compiler" 1>&2 | |
3020 | echo " for ${target}." 1>&2 | |
3021 | else | |
3022 | echo "Links are now set up to build (on ${build}) a cross-compiler" 1>&2 | |
3023 | echo " from ${host} to ${target}." 1>&2 | |
3024 | fi | |
46f18e7b RK |
3025 | fi |
3026 | ||
3027 | # Configure the subdirectories | |
3028 | # AC_CONFIG_SUBDIRS($subdirs) | |
3029 | ||
3030 | # Create the Makefile | |
5891b37d | 3031 | # and configure language subdirectories |
914c5af7 NN |
3032 | AC_CONFIG_FILES($all_outputs) |
3033 | ||
3034 | AC_CONFIG_COMMANDS([default], | |
cdcc6a01 | 3035 | [ |
f1faaabd NN |
3036 | case ${CONFIG_HEADERS} in |
3037 | *auto-host.h:config.in*) | |
3038 | echo > cstamp-h ;; | |
cdcc6a01 | 3039 | esac |
2ed26f6b | 3040 | # Make sure all the subdirs exist. |
c406e779 | 3041 | for d in $subdirs |
2ed26f6b | 3042 | do |
2ed26f6b | 3043 | test -d $d || mkdir $d |
2ed26f6b | 3044 | done |
93cf819d BK |
3045 | # If the host supports symlinks, point stage[1234] at ../stage[1234] so |
3046 | # bootstrapping and the installation procedure can still use | |
3047 | # CC="stage1/xgcc -Bstage1/". If the host doesn't support symlinks, | |
3048 | # FLAGS_TO_PASS has been modified to solve the problem there. | |
3049 | # This is virtually a duplicate of what happens in configure.lang; we do | |
3050 | # an extra check to make sure this only happens if ln -s can be used. | |
75bffa71 | 3051 | if test "$symbolic_link" = "ln -s"; then |
c406e779 | 3052 | for d in ${subdirs} fixinc ; do |
1e6347d8 | 3053 | STARTDIR=`${PWDCMD-pwd}` |
4e8a434e | 3054 | cd $d |
8f231b5d | 3055 | for t in stage1 stage2 stage3 stage4 stageprofile stagefeedback include |
4e8a434e BK |
3056 | do |
3057 | rm -f $t | |
3058 | $symbolic_link ../$t $t 2>/dev/null | |
3059 | done | |
3060 | cd $STARTDIR | |
93cf819d BK |
3061 | done |
3062 | else true ; fi | |
0d24f4d1 ZW |
3063 | ], |
3064 | [subdirs='$subdirs' | |
3065 | symbolic_link='$symbolic_link' | |
cdcc6a01 | 3066 | ]) |
914c5af7 | 3067 | AC_OUTPUT |