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1322177d | 1 | # configure.in for GCC |
46f18e7b RK |
2 | # Process this file with autoconf to generate a configuration script. |
3 | ||
027faee7 | 4 | # Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003 |
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 | ||
890ad3ea | 28 | AC_PREREQ(2.13) |
46f18e7b | 29 | AC_INIT(tree.c) |
b7cb92ad | 30 | AC_CONFIG_HEADER(auto-host.h:config.in) |
cdcc6a01 | 31 | |
34a86c2b NN |
32 | # Determine the host, build, and target systems |
33 | AC_CANONICAL_SYSTEM | |
34 | ||
73458fb7 NN |
35 | # Define variables host_canonical and build_canonical |
36 | build_canonical=${build} | |
37 | host_canonical=${host} | |
38 | AC_SUBST(build_canonical) | |
39 | AC_SUBST(host_canonical) | |
40 | ||
41 | target_subdir= | |
42 | if test "${host}" != "${target}" ; then | |
43 | target_subdir=${target_alias}/ | |
44 | fi | |
45 | AC_SUBST(target_subdir) | |
46 | ||
34a86c2b NN |
47 | # Set program_transform_name |
48 | AC_ARG_PROGRAM | |
46f18e7b | 49 | |
75a39864 JL |
50 | # Check for bogus environment variables. |
51 | # Test if LIBRARY_PATH contains the notation for the current directory | |
52 | # since this would lead to problems installing/building glibc. | |
53 | # LIBRARY_PATH contains the current directory if one of the following | |
54 | # is true: | |
55 | # - one of the terminals (":" and ";") is the first or last sign | |
56 | # - two terminals occur directly after each other | |
57 | # - the path contains an element with a dot in it | |
58 | AC_MSG_CHECKING(LIBRARY_PATH variable) | |
59 | changequote(,)dnl | |
60 | case ${LIBRARY_PATH} in | |
61 | [:\;]* | *[:\;] | *[:\;][:\;]* | *[:\;]. | .[:\;]*| . | *[:\;].[:\;]* ) | |
62 | library_path_setting="contains current directory" | |
63 | ;; | |
64 | *) | |
65 | library_path_setting="ok" | |
66 | ;; | |
67 | esac | |
68 | changequote([,])dnl | |
69 | AC_MSG_RESULT($library_path_setting) | |
70 | if test "$library_path_setting" != "ok"; then | |
71 | AC_MSG_ERROR([ | |
72 | *** LIBRARY_PATH shouldn't contain the current directory when | |
079bd08e | 73 | *** building gcc. Please change the environment variable |
75a39864 JL |
74 | *** and run configure again.]) |
75 | fi | |
76 | ||
77 | # Test if GCC_EXEC_PREFIX contains the notation for the current directory | |
78 | # since this would lead to problems installing/building glibc. | |
79 | # GCC_EXEC_PREFIX contains the current directory if one of the following | |
80 | # is true: | |
81 | # - one of the terminals (":" and ";") is the first or last sign | |
82 | # - two terminals occur directly after each other | |
83 | # - the path contains an element with a dot in it | |
84 | AC_MSG_CHECKING(GCC_EXEC_PREFIX variable) | |
85 | changequote(,)dnl | |
86 | case ${GCC_EXEC_PREFIX} in | |
87 | [:\;]* | *[:\;] | *[:\;][:\;]* | *[:\;]. | .[:\;]*| . | *[:\;].[:\;]* ) | |
88 | gcc_exec_prefix_setting="contains current directory" | |
89 | ;; | |
90 | *) | |
91 | gcc_exec_prefix_setting="ok" | |
92 | ;; | |
93 | esac | |
94 | changequote([,])dnl | |
95 | AC_MSG_RESULT($gcc_exec_prefix_setting) | |
96 | if test "$gcc_exec_prefix_setting" != "ok"; then | |
97 | AC_MSG_ERROR([ | |
98 | *** GCC_EXEC_PREFIX shouldn't contain the current directory when | |
079bd08e | 99 | *** building gcc. Please change the environment variable |
75a39864 JL |
100 | *** and run configure again.]) |
101 | fi | |
102 | ||
34a86c2b NN |
103 | # ----------- |
104 | # Directories | |
105 | # ----------- | |
106 | ||
107 | # Specify the local prefix | |
108 | local_prefix= | |
109 | AC_ARG_WITH(local-prefix, | |
110 | [ --with-local-prefix=DIR specifies directory to put local include], | |
111 | [case "${withval}" in | |
112 | yes) AC_MSG_ERROR(bad value ${withval} given for local include directory prefix) ;; | |
113 | no) ;; | |
114 | *) local_prefix=$with_local_prefix ;; | |
115 | esac]) | |
116 | ||
117 | # Default local prefix if it is empty | |
118 | if test x$local_prefix = x; then | |
119 | local_prefix=/usr/local | |
120 | fi | |
121 | ||
122 | # Don't set gcc_gxx_include_dir to gxx_include_dir since that's only | |
123 | # passed in by the toplevel make and thus we'd get different behavior | |
124 | # depending on where we built the sources. | |
125 | gcc_gxx_include_dir= | |
126 | # Specify the g++ header file directory | |
127 | AC_ARG_WITH(gxx-include-dir, | |
128 | [ --with-gxx-include-dir=DIR | |
129 | specifies directory to put g++ header files], | |
130 | [case "${withval}" in | |
131 | yes) AC_MSG_ERROR(bad value ${withval} given for g++ include directory) ;; | |
132 | no) ;; | |
133 | *) gcc_gxx_include_dir=$with_gxx_include_dir ;; | |
134 | esac]) | |
135 | ||
136 | if test x${gcc_gxx_include_dir} = x; then | |
137 | if test x${enable_version_specific_runtime_libs} = xyes; then | |
138 | gcc_gxx_include_dir='${libsubdir}/include/c++' | |
139 | else | |
140 | topsrcdir=${srcdir}/.. . ${srcdir}/../config.if | |
141 | changequote(<<, >>)dnl | |
142 | gcc_gxx_include_dir="\$(libsubdir)/\$(unlibsubdir)/..\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/[^/]*|/..|g'\`/include/"${libstdcxx_incdir} | |
143 | changequote([, ])dnl | |
144 | fi | |
145 | fi | |
146 | ||
147 | AC_ARG_WITH(cpp_install_dir, | |
148 | [ --with-cpp-install-dir=DIR | |
149 | install the user visible C preprocessor in DIR | |
150 | (relative to PREFIX) as well as PREFIX/bin], | |
151 | [if test x$withval = xyes; then | |
152 | AC_MSG_ERROR([option --with-cpp-install-dir requires an argument]) | |
153 | elif test x$withval != xno; then | |
154 | cpp_install_dir=$withval | |
155 | fi]) | |
156 | ||
157 | # ------------------- | |
158 | # Find default linker | |
159 | # ------------------- | |
46f18e7b RK |
160 | |
161 | # With GNU ld | |
162 | AC_ARG_WITH(gnu-ld, | |
163 | [ --with-gnu-ld arrange to work with GNU ld.], | |
df6faf79 JW |
164 | gnu_ld_flag="$with_gnu_ld", |
165 | gnu_ld_flag=no) | |
46f18e7b | 166 | |
ab339d62 AO |
167 | # With pre-defined ld |
168 | AC_ARG_WITH(ld, | |
e8bec136 | 169 | [ --with-ld arrange to use the specified ld (full pathname)], |
3ccc3a56 AO |
170 | DEFAULT_LINKER="$with_ld") |
171 | if test x"${DEFAULT_LINKER+set}" = x"set"; then | |
172 | if test ! -x "$DEFAULT_LINKER"; then | |
173 | AC_MSG_WARN([cannot execute: $DEFAULT_LINKER: check --with-ld or env. var. DEFAULT_LINKER]) | |
e154a394 | 174 | elif $DEFAULT_LINKER -v < /dev/null 2>&1 | grep GNU > /dev/null; then |
ab339d62 AO |
175 | gnu_ld_flag=yes |
176 | fi | |
119d24d1 KG |
177 | AC_DEFINE_UNQUOTED(DEFAULT_LINKER,"$DEFAULT_LINKER", |
178 | [Define to enable the use of a default linker.]) | |
ab339d62 AO |
179 | fi |
180 | ||
34a86c2b NN |
181 | AC_MSG_CHECKING([whether a default linker was specified]) |
182 | if test x"${DEFAULT_LINKER+set}" = x"set"; then | |
183 | if test x"$gnu_ld_flag" = x"no"; then | |
184 | AC_MSG_RESULT([yes ($DEFAULT_LINKER)]) | |
185 | else | |
186 | AC_MSG_RESULT([yes ($DEFAULT_LINKER - GNU ld)]) | |
187 | fi | |
188 | else | |
189 | AC_MSG_RESULT(no) | |
190 | fi | |
191 | ||
192 | # ---------------------- | |
193 | # Find default assembler | |
194 | # ---------------------- | |
195 | ||
46f18e7b RK |
196 | # With GNU as |
197 | AC_ARG_WITH(gnu-as, | |
e8bec136 | 198 | [ --with-gnu-as arrange to work with GNU as], |
df6faf79 JW |
199 | gas_flag="$with_gnu_as", |
200 | gas_flag=no) | |
46f18e7b | 201 | |
ab339d62 | 202 | AC_ARG_WITH(as, |
e8bec136 | 203 | [ --with-as arrange to use the specified as (full pathname)], |
3ccc3a56 AO |
204 | DEFAULT_ASSEMBLER="$with_as") |
205 | if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then | |
206 | if test ! -x "$DEFAULT_ASSEMBLER"; then | |
207 | AC_MSG_WARN([cannot execute: $DEFAULT_ASSEMBLER: check --with-as or env. var. DEFAULT_ASSEMBLER]) | |
e154a394 | 208 | elif $DEFAULT_ASSEMBLER -v < /dev/null 2>&1 | grep GNU > /dev/null; then |
ab339d62 AO |
209 | gas_flag=yes |
210 | fi | |
119d24d1 KG |
211 | AC_DEFINE_UNQUOTED(DEFAULT_ASSEMBLER,"$DEFAULT_ASSEMBLER", |
212 | [Define to enable the use of a default assembler.]) | |
3ccc3a56 | 213 | fi |
ab339d62 | 214 | |
34a86c2b NN |
215 | AC_MSG_CHECKING([whether a default assembler was specified]) |
216 | if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then | |
217 | if test x"$gas_flag" = x"no"; then | |
218 | AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER)]) | |
4e88d51b | 219 | else |
34a86c2b | 220 | AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER - GNU as)]) |
4e88d51b | 221 | fi |
34a86c2b NN |
222 | else |
223 | AC_MSG_RESULT(no) | |
4e88d51b | 224 | fi |
46f18e7b | 225 | |
34a86c2b NN |
226 | # --------------- |
227 | # Find C compiler | |
228 | # --------------- | |
13c22933 | 229 | |
414d23ae HPN |
230 | # Find the native compiler |
231 | AC_PROG_CC | |
232 | AC_PROG_CC_C_O | |
233 | # autoconf is lame and doesn't give us any substitution variable for this. | |
234 | if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then | |
235 | NO_MINUS_C_MINUS_O=yes | |
236 | else | |
237 | OUTPUT_OPTION='-o $@' | |
238 | fi | |
239 | AC_SUBST(NO_MINUS_C_MINUS_O) | |
240 | AC_SUBST(OUTPUT_OPTION) | |
241 | ||
73458fb7 NN |
242 | # ------------------------- |
243 | # Check C compiler features | |
244 | # ------------------------- | |
245 | ||
414d23ae HPN |
246 | AC_CACHE_CHECK(whether ${CC-cc} accepts -Wno-long-long, |
247 | ac_cv_prog_cc_no_long_long, | |
248 | [save_CFLAGS="$CFLAGS" | |
249 | CFLAGS="-Wno-long-long" | |
250 | AC_TRY_COMPILE(,,ac_cv_prog_cc_no_long_long=yes, | |
251 | ac_cv_prog_cc_no_long_long=no) | |
252 | CFLAGS="$save_CFLAGS"]) | |
253 | ||
34a86c2b NN |
254 | AC_PROG_CPP |
255 | AC_C_INLINE | |
256 | gcc_AC_C_VOLATILE | |
257 | ||
258 | gcc_AC_C_LONG_DOUBLE | |
259 | gcc_AC_C_LONG_LONG | |
260 | gcc_AC_C__BOOL | |
261 | ||
262 | # sizeof(char) is 1 by definition. | |
263 | AC_COMPILE_CHECK_SIZEOF(short) | |
264 | AC_COMPILE_CHECK_SIZEOF(int) | |
265 | AC_COMPILE_CHECK_SIZEOF(long) | |
266 | if test $ac_cv_c_long_long = yes; then | |
267 | AC_COMPILE_CHECK_SIZEOF(long long) | |
268 | fi | |
269 | if test $ac_cv_c___int64 = yes; then | |
270 | AC_COMPILE_CHECK_SIZEOF(__int64) | |
271 | fi | |
272 | ||
273 | gcc_AC_C_CHARSET | |
274 | ||
275 | # ----------------- | |
276 | # Find Ada compiler | |
277 | # ----------------- | |
278 | ||
279 | # See if GNAT has been installed | |
280 | gcc_AC_PROG_GNAT | |
281 | ||
414d23ae HPN |
282 | if test x$have_gnat != xno ; then |
283 | AC_CACHE_CHECK(whether ${ADAC} accepts -Wno-long-long, | |
284 | ac_cv_prog_adac_no_long_long, | |
285 | [cat >conftest.adb <<EOF | |
286 | procedure conftest is begin null; end conftest; | |
287 | EOF | |
288 | if $ADAC -Wno-long-long -c conftest.adb 1>&5 2>&5 ; then | |
289 | ac_cv_prog_adac_no_long_long=yes | |
290 | else | |
291 | ac_cv_prog_adac_no_long_long=no | |
292 | fi | |
293 | rm -f conftest*]) | |
294 | else | |
295 | ac_cv_prog_adac_no_long_long=yes | |
296 | fi | |
297 | ||
34a86c2b NN |
298 | # --------------------- |
299 | # Warnings and checking | |
300 | # --------------------- | |
301 | ||
414d23ae HPN |
302 | strict1_warn= |
303 | if test $ac_cv_prog_cc_no_long_long = yes && \ | |
304 | test $ac_cv_prog_adac_no_long_long = yes ; then | |
305 | strict1_warn="-pedantic -Wno-long-long" | |
306 | fi | |
307 | AC_SUBST(strict1_warn) | |
308 | ||
414d23ae HPN |
309 | # If the native compiler is GCC, we can enable warnings even in stage1. |
310 | # That's useful for people building cross-compilers, or just running a | |
311 | # quick `make'. | |
312 | warn_cflags= | |
313 | if test "x$GCC" = "xyes"; then | |
314 | warn_cflags='$(GCC_WARN_CFLAGS)' | |
315 | fi | |
316 | AC_SUBST(warn_cflags) | |
317 | ||
dd859b8a KG |
318 | # Enable -Werror in bootstrap stage2 and later. |
319 | # Change the default to "no" on release branches. | |
320 | AC_ARG_ENABLE(werror, | |
321 | [ --enable-werror enable -Werror in bootstrap stage2 and later], [], | |
322 | [enable_werror=yes]) | |
323 | if test x$enable_werror = xyes ; then | |
324 | WERROR=-Werror | |
325 | fi | |
326 | AC_SUBST(WERROR) | |
327 | ||
a494747c MM |
328 | # Enable expensive internal checks |
329 | AC_ARG_ENABLE(checking, | |
f4524c9e ZW |
330 | [ --enable-checking[=LIST] |
331 | enable expensive run-time checks. With LIST, | |
332 | enable only specific categories of checks. | |
4c76f856 JJ |
333 | Categories are: misc,tree,rtl,rtlflag,gc,gcac; |
334 | default is misc,tree,gc,rtlflag], | |
119d24d1 KG |
335 | [ac_checking= |
336 | ac_tree_checking= | |
337 | ac_rtl_checking= | |
4c76f856 | 338 | ac_rtlflag_checking= |
119d24d1 KG |
339 | ac_gc_checking= |
340 | ac_gc_always_collect= | |
341 | case "${enableval}" in | |
4c76f856 JJ |
342 | yes) ac_checking=1 ; ac_tree_checking=1 ; ac_gc_checking=1 ; |
343 | ac_rtlflag_checking=1 ;; | |
4e88d51b | 344 | no) ;; |
59f406b7 | 345 | *) IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS," |
f4524c9e ZW |
346 | set fnord $enableval; shift |
347 | IFS="$ac_save_IFS" | |
c62e45ad KG |
348 | for check |
349 | do | |
f4524c9e | 350 | case $check in |
119d24d1 KG |
351 | misc) ac_checking=1 ;; |
352 | tree) ac_tree_checking=1 ;; | |
4c76f856 | 353 | rtlflag) ac_rtlflag_checking=1 ;; |
119d24d1 KG |
354 | rtl) ac_rtl_checking=1 ;; |
355 | gc) ac_gc_checking=1 ;; | |
356 | gcac) ac_gc_always_collect=1 ;; | |
414d23ae | 357 | valgrind) ac_checking_valgrind=1 ;; |
f4524c9e ZW |
358 | *) AC_MSG_ERROR(unknown check category $check) ;; |
359 | esac | |
360 | done | |
361 | ;; | |
119d24d1 | 362 | esac |
51d0e20c AJ |
363 | ], |
364 | # Enable some checks by default for development versions of GCC | |
4c76f856 | 365 | [ac_checking=1; ac_tree_checking=1; ac_gc_checking=1; ac_rtlflag_checking=1;]) |
204250d2 | 366 | nocommon_flag="" |
119d24d1 KG |
367 | if test x$ac_checking != x ; then |
368 | AC_DEFINE(ENABLE_CHECKING, 1, | |
369 | [Define if you want more run-time sanity checks. This one gets a grab | |
370 | bag of miscellaneous but relatively cheap checks.]) | |
204250d2 | 371 | nocommon_flag=-fno-common |
119d24d1 | 372 | fi |
204250d2 | 373 | AC_SUBST(nocommon_flag) |
119d24d1 KG |
374 | if test x$ac_tree_checking != x ; then |
375 | AC_DEFINE(ENABLE_TREE_CHECKING, 1, | |
376 | [Define if you want all operations on trees (the basic data | |
377 | structure of the front ends) to be checked for dynamic type safety | |
378 | at runtime. This is moderately expensive.]) | |
379 | fi | |
380 | if test x$ac_rtl_checking != x ; then | |
381 | AC_DEFINE(ENABLE_RTL_CHECKING, 1, | |
382 | [Define if you want all operations on RTL (the basic data structure | |
383 | of the optimizer and back end) to be checked for dynamic type safety | |
384 | at runtime. This is quite expensive.]) | |
385 | fi | |
4c76f856 JJ |
386 | if test x$ac_rtlflag_checking != x ; then |
387 | AC_DEFINE(ENABLE_RTL_FLAG_CHECKING, 1, | |
388 | [Define if you want RTL flag accesses to be checked against the RTL | |
389 | codes that are supported for each access macro. This is relatively | |
390 | cheap.]) | |
391 | fi | |
119d24d1 KG |
392 | if test x$ac_gc_checking != x ; then |
393 | AC_DEFINE(ENABLE_GC_CHECKING, 1, | |
394 | [Define if you want the garbage collector to do object poisoning and | |
395 | other memory allocation checks. This is quite expensive.]) | |
396 | fi | |
397 | if test x$ac_gc_always_collect != x ; then | |
398 | AC_DEFINE(ENABLE_GC_ALWAYS_COLLECT, 1, | |
399 | [Define if you want the garbage collector to operate in maximally | |
400 | paranoid mode, validating the entire heap and collecting garbage at | |
401 | every opportunity. This is extremely expensive.]) | |
402 | fi | |
414d23ae HPN |
403 | valgrind_path_defines= |
404 | valgrind_command= | |
405 | if test x$ac_checking_valgrind != x ; then | |
406 | # It is certainly possible that there's valgrind but no valgrind.h. | |
407 | # GCC relies on making annotations so we must have both. | |
14011ca4 AJ |
408 | AC_MSG_CHECKING(for VALGRIND_DISCARD in <memcheck.h>) |
409 | AC_TRY_CPP( | |
410 | [#include <memcheck.h> | |
411 | #ifndef VALGRIND_DISCARD | |
412 | #error VALGRIND_DISCARD not defined | |
413 | #endif], | |
414 | [gcc_cv_header_memcheck_h=yes], | |
415 | gcc_cv_header_memcheck_h=no) | |
416 | AC_MSG_RESULT($gcc_cv_header_memcheck_h) | |
414d23ae HPN |
417 | AC_CHECK_HEADER(valgrind.h, have_valgrind_h=yes, have_valgrind_h=no) |
418 | AM_PATH_PROG_WITH_TEST(valgrind_path, valgrind, | |
419 | [$ac_dir/$ac_word --version | grep valgrind- >/dev/null 2>&1]) | |
72bd67f9 AJ |
420 | if test "x$valgrind_path" = "x" || (test $have_valgrind_h = no && test $gcc_cv_header_memcheck_h = no); then |
421 | AC_MSG_ERROR([*** Can't find both valgrind and valgrind.h/memcheck.h]) | |
414d23ae HPN |
422 | fi |
423 | valgrind_path_defines=-DVALGRIND_PATH='\"'$valgrind_path'\"' | |
424 | valgrind_command="$valgrind_path -q" | |
425 | AC_DEFINE(ENABLE_VALGRIND_CHECKING, 1, | |
426 | [Define if you want to run subprograms and generated programs | |
427 | through valgrind (a memory checker). This is extremely expensive.]) | |
14011ca4 AJ |
428 | if test $gcc_cv_header_memcheck_h = yes; then |
429 | AC_DEFINE(HAVE_MEMCHECK_H, 1, | |
430 | [Define if valgrind's memcheck.h header is installed.]) | |
431 | fi | |
414d23ae HPN |
432 | fi |
433 | AC_SUBST(valgrind_path_defines) | |
434 | AC_SUBST(valgrind_command) | |
51d0e20c | 435 | |
22aa533e NS |
436 | # Enable code coverage collection |
437 | AC_ARG_ENABLE(coverage, | |
438 | [ --enable-coverage[=LEVEL] | |
439 | enable compiler\'s code coverage collection. | |
440 | Use to measure compiler performance and locate | |
8601608f | 441 | unused parts of the compiler. With LEVEL, specify |
22aa533e NS |
442 | optimization. Values are opt, noopt, |
443 | default is noopt], | |
444 | [case "${enableval}" in | |
445 | yes|noopt) | |
8601608f | 446 | coverage_flags="-fprofile-arcs -ftest-coverage -O0 -DSELF_COVERAGE=1" |
22aa533e NS |
447 | ;; |
448 | opt) | |
8601608f | 449 | coverage_flags="-fprofile-arcs -ftest-coverage -O2 -DSELF_COVERAGE=2" |
22aa533e NS |
450 | ;; |
451 | *) | |
452 | AC_MSG_ERROR(unknown coverage setting $enableval) | |
453 | ;; | |
454 | esac], | |
2043c38e | 455 | [coverage_flags=""]) |
22aa533e NS |
456 | AC_SUBST(coverage_flags) |
457 | ||
73458fb7 NN |
458 | # ------------------------------- |
459 | # Miscenalleous configure options | |
460 | # ------------------------------- | |
34a86c2b NN |
461 | |
462 | # With stabs | |
463 | AC_ARG_WITH(stabs, | |
464 | [ --with-stabs arrange to use stabs instead of host debug format], | |
465 | stabs="$with_stabs", | |
466 | stabs=no) | |
467 | ||
468 | # With ELF | |
469 | AC_ARG_WITH(elf, | |
470 | [ --with-elf arrange to use ELF instead of host debug format], | |
471 | elf="$with_elf", | |
472 | elf=no) | |
473 | ||
474 | # Determine whether or not multilibs are enabled. | |
475 | AC_ARG_ENABLE(multilib, | |
476 | [ --enable-multilib enable library support for multiple ABIs], | |
477 | [], [enable_multilib=yes]) | |
478 | AC_SUBST(enable_multilib) | |
3ecc3258 | 479 | |
4bafaa6f L |
480 | # Enable __cxa_atexit for C++. |
481 | AC_ARG_ENABLE(__cxa_atexit, | |
482 | [ --enable-__cxa_atexit enable __cxa_atexit for C++], | |
483 | [], []) | |
484 | if test x$enable___cxa_atexit = xyes; then | |
485 | AC_DEFINE(DEFAULT_USE_CXA_ATEXIT, 1, | |
486 | [Define if you want to use __cxa_atexit, rather than atexit, to | |
487 | register C++ destructors for local statics and global objects. | |
488 | This is essential for fully standards-compliant handling of | |
489 | destructors, but requires __cxa_atexit in libc.]) | |
490 | fi | |
491 | ||
c5c76735 JL |
492 | # Enable Multibyte Characters for C/C++ |
493 | AC_ARG_ENABLE(c-mbchar, | |
e8bec136 | 494 | [ --enable-c-mbchar enable multibyte characters for C and C++], |
2618c083 | 495 | if test x$enable_c_mbchar != xno; then |
9ec7291f ZW |
496 | AC_DEFINE(MULTIBYTE_CHARS, 1, |
497 | [Define if you want the C and C++ compilers to support multibyte | |
498 | character sets for source code.]) | |
c5c76735 JL |
499 | fi) |
500 | ||
0bbb1697 RK |
501 | # Enable threads |
502 | # Pass with no value to take the default | |
503 | # Pass with a value to specify a thread package | |
504 | AC_ARG_ENABLE(threads, | |
e8bec136 RO |
505 | [ --enable-threads enable thread usage for target GCC |
506 | --enable-threads=LIB use LIB thread package for target GCC],, | |
0bbb1697 RK |
507 | enable_threads='') |
508 | ||
e445171e | 509 | enable_threads_flag=$enable_threads |
0bbb1697 | 510 | # Check if a valid thread package |
e445171e | 511 | case x${enable_threads_flag} in |
0bbb1697 RK |
512 | x | xno) |
513 | # No threads | |
a851212a | 514 | target_thread_file='single' |
0bbb1697 RK |
515 | ;; |
516 | xyes) | |
517 | # default | |
a851212a | 518 | target_thread_file='' |
0bbb1697 RK |
519 | ;; |
520 | xdecosf1 | xirix | xmach | xos2 | xposix | xpthreads | xsingle | \ | |
6d412a7b | 521 | xsolaris | xwin32 | xdce | xrtems| xvxworks | xaix | xgnat) |
e445171e | 522 | target_thread_file=$enable_threads_flag |
0bbb1697 RK |
523 | ;; |
524 | *) | |
525 | echo "$enable_threads is an unknown thread package" 1>&2 | |
526 | exit 1 | |
527 | ;; | |
528 | esac | |
529 | ||
d8bb17c8 OP |
530 | AC_ARG_ENABLE(objc-gc, |
531 | [ --enable-objc-gc enable the use of Boehm's garbage collector with | |
e8bec136 | 532 | the GNU Objective-C runtime], |
2618c083 | 533 | if test x$enable_objc_gc = xno; then |
d8bb17c8 OP |
534 | objc_boehm_gc='' |
535 | else | |
536 | objc_boehm_gc=1 | |
537 | fi, | |
538 | objc_boehm_gc='') | |
539 | ||
90e6a802 | 540 | AC_ARG_WITH(dwarf2, |
e8bec136 | 541 | [ --with-dwarf2 force the default debug format to be DWARF 2], |
90e6a802 RL |
542 | dwarf2="$with_dwarf2", |
543 | dwarf2=no) | |
544 | ||
50503ac8 | 545 | AC_ARG_ENABLE(shared, |
e8bec136 | 546 | [ --disable-shared don't provide a shared libgcc], |
c785e0fa AO |
547 | [ |
548 | case $enable_shared in | |
549 | yes | no) ;; | |
550 | *) | |
551 | enable_shared=no | |
552 | IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:," | |
553 | for pkg in $enableval; do | |
554 | if test "X$pkg" = "Xgcc" || test "X$pkg" = "Xlibgcc"; then | |
555 | enable_shared=yes | |
556 | fi | |
557 | done | |
558 | IFS="$ac_save_ifs" | |
559 | ;; | |
560 | esac | |
561 | ], [enable_shared=yes]) | |
50503ac8 RH |
562 | AC_SUBST(enable_shared) |
563 | ||
4977bab6 ZW |
564 | AC_ARG_WITH(sysroot, |
565 | [ --with-sysroot[=DIR] Search for usr/lib, usr/include, et al, within DIR.], | |
566 | [ | |
567 | case ${with_sysroot} in | |
91710e62 | 568 | yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_alias}/sys-root' ;; |
4977bab6 ZW |
569 | *) TARGET_SYSTEM_ROOT=$with_sysroot ;; |
570 | esac | |
571 | ||
572 | TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"' | |
573 | CROSS_SYSTEM_HEADER_DIR='$(TARGET_SYSTEM_ROOT)$(NATIVE_SYSTEM_HEADER_DIR)' | |
047d636f DJ |
574 | |
575 | if test "x$exec_prefix" = xNONE; then | |
576 | if test "x$prefix" = xNONE; then | |
577 | test_prefix=/usr/local | |
578 | else | |
579 | test_prefix=$prefix | |
580 | fi | |
581 | else | |
582 | test_prefix=$exec_prefix | |
583 | fi | |
584 | case ${TARGET_SYSTEM_ROOT} in | |
91710e62 AO |
585 | "${test_prefix}"|"${test_prefix}/"*|\ |
586 | '${exec_prefix}'|'${exec_prefix}/'*) | |
047d636f DJ |
587 | t="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE" |
588 | TARGET_SYSTEM_ROOT_DEFINE="$t" | |
589 | ;; | |
590 | esac | |
4977bab6 ZW |
591 | ], [ |
592 | TARGET_SYSTEM_ROOT= | |
db720d9a | 593 | TARGET_SYSTEM_ROOT_DEFINE= |
4977bab6 ZW |
594 | CROSS_SYSTEM_HEADER_DIR='$(gcc_tooldir)/sys-include' |
595 | ]) | |
596 | AC_SUBST(TARGET_SYSTEM_ROOT) | |
597 | AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE) | |
598 | AC_SUBST(CROSS_SYSTEM_HEADER_DIR) | |
599 | ||
73458fb7 NN |
600 | # ------------------------- |
601 | # Checks for other programs | |
602 | # ------------------------- | |
61842080 | 603 | |
e9a25f70 JL |
604 | AC_PROG_MAKE_SET |
605 | ||
46f18e7b RK |
606 | # Find some useful tools |
607 | AC_PROG_AWK | |
99e757d5 KG |
608 | gcc_AC_PROG_LN |
609 | gcc_AC_PROG_LN_S | |
46f18e7b | 610 | AC_PROG_RANLIB |
99e757d5 | 611 | gcc_AC_PROG_INSTALL |
46f18e7b | 612 | |
955be633 JM |
613 | # See if we have the mktemp command. |
614 | AC_CHECK_PROG(have_mktemp_command, mktemp, yes, no) | |
615 | ||
09fa0705 ZW |
616 | # Do we have a single-tree copy of texinfo? |
617 | if test -f $srcdir/../texinfo/Makefile.in; then | |
618 | MAKEINFO='$(objdir)/../texinfo/makeinfo/makeinfo' | |
619 | gcc_cv_prog_makeinfo_modern=yes | |
620 | AC_MSG_RESULT([Using makeinfo from the unified source tree.]) | |
621 | else | |
622 | # See if makeinfo has been installed and is modern enough | |
623 | # that we can use it. | |
624 | gcc_AC_CHECK_PROG_VER(MAKEINFO, makeinfo, --version, | |
625 | [GNU texinfo.* \([0-9][0-9.]*\)], | |
a38f87a9 | 626 | [4.[2-9]*]) |
09fa0705 ZW |
627 | fi |
628 | ||
629 | if test $gcc_cv_prog_makeinfo_modern = no; then | |
630 | AC_MSG_WARN([ | |
631 | *** Makeinfo is missing or too old. | |
17db6582 | 632 | *** Info documentation will not be built.]) |
09fa0705 | 633 | BUILD_INFO= |
09fa0705 ZW |
634 | else |
635 | BUILD_INFO=info AC_SUBST(BUILD_INFO) | |
09fa0705 ZW |
636 | fi |
637 | ||
3f896fc2 JM |
638 | # Is pod2man recent enough to regenerate manpages? |
639 | AC_MSG_CHECKING([for recent Pod::Man]) | |
7be33370 | 640 | if (perl -e 'use 1.10 Pod::Man') >/dev/null 2>&1; then |
fd939e46 JM |
641 | AC_MSG_RESULT(yes) |
642 | GENERATED_MANPAGES=generated-manpages AC_SUBST(GENERATED_MANPAGES) | |
643 | else | |
644 | AC_MSG_RESULT(no) | |
645 | GENERATED_MANPAGES= | |
646 | fi | |
647 | ||
baade80b PE |
648 | # 'make compare' can be significantly faster, if cmp itself can |
649 | # skip bytes instead of using tail. The test being performed is | |
650 | # "if cmp --ignore-initial=2 t1 t2 && ! cmp --ignore-initial=1 t1 t2" | |
651 | # but we need to sink errors and handle broken shells. | |
652 | AC_MSG_CHECKING([for cmp's capabilities]) | |
653 | echo abfoo >t1 | |
654 | echo cdfoo >t2 | |
655 | if cmp --ignore-initial=2 t1 t2 > /dev/null 2>&1; then | |
656 | if cmp --ignore-initial=1 t1 t2 > /dev/null 2>&1; then | |
657 | make_compare_target=slowcompare | |
658 | else | |
659 | make_compare_target=gnucompare | |
660 | fi | |
c7a5cf61 PE |
661 | else |
662 | make_compare_target=slowcompare | |
663 | fi | |
baade80b | 664 | rm t1 t2 |
c7a5cf61 | 665 | AC_SUBST(make_compare_target) |
baade80b | 666 | AC_MSG_RESULT($make_compare_target) |
c7a5cf61 | 667 | |
1e608388 ZW |
668 | # How about lex? |
669 | dnl Don't use AC_PROG_LEX; we insist on flex. | |
670 | dnl LEXLIB is not useful in gcc. | |
671 | if test -f $srcdir/../flex/skel.c; then | |
672 | FLEX='$(objdir)/../flex/flex' | |
673 | else | |
9118405f | 674 | AC_CHECK_PROG(FLEX, flex, flex, ${CONFIG_SHELL-/bin/sh} ${srcdir}/../missing flex) |
1e608388 ZW |
675 | fi |
676 | ||
677 | # Bison? | |
678 | # The -L switch is so bison can find its skeleton file. | |
679 | if test -f $srcdir/../bison/bison.simple; then | |
680 | BISON='$(objdir)/../bison/bison -L $(srcdir)/../bison/' | |
681 | else | |
9118405f | 682 | AC_CHECK_PROG(BISON, bison, bison, ${CONFIG_SHELL-/bin/sh} ${srcdir}/../missing bison) |
1e608388 ZW |
683 | fi |
684 | ||
73458fb7 NN |
685 | # -------------------- |
686 | # Checks for C headers | |
687 | # -------------------- | |
688 | ||
689 | AC_MSG_CHECKING(for GNU C library) | |
690 | AC_CACHE_VAL(gcc_cv_glibc, | |
691 | [AC_TRY_COMPILE( | |
692 | [#include <features.h>],[ | |
693 | #if ! (defined __GLIBC__ || defined __GNU_LIBRARY__) | |
694 | #error Not a GNU C library system | |
695 | #endif], | |
696 | [gcc_cv_glibc=yes], | |
697 | gcc_cv_glibc=no)]) | |
698 | AC_MSG_RESULT($gcc_cv_glibc) | |
699 | if test $gcc_cv_glibc = yes; then | |
700 | AC_DEFINE(_GNU_SOURCE, 1, [Always define this when using the GNU C Library]) | |
701 | fi | |
702 | ||
703 | AC_HEADER_STDC | |
704 | AC_HEADER_TIME | |
705 | gcc_AC_HEADER_STDBOOL | |
706 | gcc_AC_HEADER_STRING | |
707 | AC_HEADER_SYS_WAIT | |
708 | AC_CHECK_HEADERS(limits.h stddef.h string.h strings.h stdlib.h time.h \ | |
709 | fcntl.h unistd.h sys/file.h sys/time.h \ | |
710 | sys/resource.h sys/param.h sys/times.h sys/stat.h \ | |
2bd02043 | 711 | direct.h malloc.h langinfo.h ldfcn.h wchar.h) |
73458fb7 NN |
712 | |
713 | # Check for thread headers. | |
714 | AC_CHECK_HEADER(thread.h, [have_thread_h=yes], [have_thread_h=]) | |
715 | AC_CHECK_HEADER(pthread.h, [have_pthread_h=yes], [have_pthread_h=]) | |
716 | ||
717 | # These tests can't be done till we know if we have limits.h. | |
718 | gcc_AC_C_CHAR_BIT | |
719 | AC_C_BIGENDIAN_CROSS | |
73458fb7 NN |
720 | |
721 | # -------- | |
722 | # UNSORTED | |
723 | # -------- | |
724 | ||
725 | # Stage specific cflags for build. | |
726 | stage1_cflags= | |
727 | case $build in | |
728 | vax-*-*) | |
729 | if test x$GCC = xyes | |
730 | then | |
731 | stage1_cflags="-Wa,-J" | |
732 | else | |
733 | stage1_cflags="-J" | |
734 | fi | |
735 | ;; | |
736 | powerpc-*-darwin*) | |
737 | # The spiffy cpp-precomp chokes on some legitimate constructs in GCC | |
738 | # sources; use -no-cpp-precomp to get to GNU cpp. | |
739 | # Apple's GCC has bugs in designated initializer handling, so disable | |
740 | # that too. | |
741 | stage1_cflags="-no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0" | |
742 | ;; | |
743 | esac | |
744 | AC_SUBST(stage1_cflags) | |
745 | ||
4e70264f ZW |
746 | # These libraries may be used by collect2. |
747 | # We may need a special search path to get them linked. | |
748 | AC_CACHE_CHECK(for collect2 libraries, gcc_cv_collect2_libs, | |
749 | [save_LIBS="$LIBS" | |
7f2749d4 | 750 | for libs in '' -lld -lmld \ |
4e70264f ZW |
751 | '-L/usr/lib/cmplrs/cc2.11 -lmld' \ |
752 | '-L/usr/lib/cmplrs/cc3.11 -lmld' | |
753 | do | |
754 | LIBS="$libs" | |
755 | AC_TRY_LINK_FUNC(ldopen, | |
756 | [gcc_cv_collect2_libs="$libs"; break]) | |
757 | done | |
758 | LIBS="$save_LIBS" | |
759 | test -z "$gcc_cv_collect2_libs" && gcc_cv_collect2_libs='none required']) | |
760 | case $gcc_cv_collect2_libs in | |
761 | "none required") ;; | |
762 | *) COLLECT2_LIBS=$gcc_cv_collect2_libs ;; | |
763 | esac | |
764 | AC_SUBST(COLLECT2_LIBS) | |
765 | ||
7f2749d4 RK |
766 | # When building Ada code on Alpha, we need exc_resume which is usually in |
767 | # -lexc. So test for it. | |
768 | save_LIBS="$LIBS" | |
769 | LIBS= | |
770 | AC_SEARCH_LIBS(exc_resume, exc) | |
771 | GNAT_LIBEXC="$LIBS" | |
772 | LIBS="$save_LIBS" | |
773 | AC_SUBST(GNAT_LIBEXC) | |
774 | ||
62c9aa5f ZW |
775 | # Some systems put ldexp and frexp in libm instead of libc; assume |
776 | # they're both in the same place. jcf-dump needs them. | |
777 | save_LIBS="$LIBS" | |
778 | LIBS= | |
779 | AC_SEARCH_LIBS(ldexp, m) | |
780 | LDEXP_LIB="$LIBS" | |
781 | LIBS="$save_LIBS" | |
782 | AC_SUBST(LDEXP_LIB) | |
783 | ||
890ad3ea | 784 | # See if the stage1 system preprocessor understands the ANSI C |
4bc5fbd4 | 785 | # preprocessor stringification operator. (Used by symcat.h.) |
890ad3ea | 786 | AC_C_STRINGIZE |
76844337 | 787 | |
7636d567 JW |
788 | # Use <inttypes.h> only if it exists, |
789 | # doesn't clash with <sys/types.h>, and declares intmax_t. | |
790 | AC_MSG_CHECKING(for inttypes.h) | |
791 | AC_CACHE_VAL(gcc_cv_header_inttypes_h, | |
792 | [AC_TRY_COMPILE( | |
793 | [#include <sys/types.h> | |
794 | #include <inttypes.h>], | |
795 | [intmax_t i = -1;], | |
9da0e39b | 796 | [gcc_cv_header_inttypes_h=yes], |
7636d567 JW |
797 | gcc_cv_header_inttypes_h=no)]) |
798 | AC_MSG_RESULT($gcc_cv_header_inttypes_h) | |
9da0e39b | 799 | if test $gcc_cv_header_inttypes_h = yes; then |
119d24d1 KG |
800 | AC_DEFINE(HAVE_INTTYPES_H, 1, |
801 | [Define if you have a working <inttypes.h> header file.]) | |
9da0e39b | 802 | fi |
cdcc6a01 | 803 | |
9612ab65 ZW |
804 | dnl Disabled until we have a complete test for buggy enum bitfields. |
805 | dnl gcc_AC_C_ENUM_BF_UNSIGNED | |
c149cc37 | 806 | |
6af8c740 KG |
807 | AC_CHECK_FUNCS(times clock dup2 kill getrlimit setrlimit atoll atoq \ |
808 | sysconf strsignal putc_unlocked fputc_unlocked fputs_unlocked \ | |
a15135c9 | 809 | fwrite_unlocked fprintf_unlocked getrusage nl_langinfo lstat \ |
2bd02043 | 810 | scandir alphasort gettimeofday mbstowcs wcswidth) |
a81fb89e | 811 | |
39f6c4c8 KW |
812 | if test x$ac_cv_func_mbstowcs = xyes; then |
813 | AC_CACHE_CHECK(whether mbstowcs works, gcc_cv_func_mbstowcs_works, | |
814 | [ AC_TRY_RUN([#include <stdlib.h> | |
815 | int main() | |
816 | { | |
817 | mbstowcs(0, "", 0); | |
818 | return 0; | |
819 | }], | |
820 | gcc_cv_func_mbstowcs_works=yes, | |
821 | gcc_cv_func_mbstowcs_works=no, | |
822 | gcc_cv_func_mbstowcs_works=yes)]) | |
823 | if test x$gcc_cv_func_mbstowcs_works = xyes; then | |
824 | AC_DEFINE(HAVE_WORKING_MBSTOWCS, 1, | |
825 | [Define this macro if mbstowcs does not crash when its | |
826 | first argument is NULL.]) | |
827 | fi | |
828 | fi | |
829 | ||
f12bc141 | 830 | AC_CHECK_TYPE(ssize_t, int) |
56f48ce9 | 831 | |
e256b8b6 DA |
832 | # Try to determine the array type of the second argument of getgroups |
833 | # for the target system (int or gid_t). | |
834 | AC_TYPE_GETGROUPS | |
835 | if test "${target}" = "${build}"; then | |
836 | TARGET_GETGROUPS_T=$ac_cv_type_getgroups | |
837 | else | |
838 | case "${target}" in | |
839 | # This condition may need some tweaking. It should include all | |
840 | # targets where the array type of the second argument of getgroups | |
841 | # is int and the type of gid_t is not equivalent to int. | |
842 | *-*-sunos* | *-*-ultrix*) | |
843 | TARGET_GETGROUPS_T=int | |
844 | ;; | |
845 | *) | |
846 | TARGET_GETGROUPS_T=gid_t | |
847 | ;; | |
848 | esac | |
849 | fi | |
850 | AC_SUBST(TARGET_GETGROUPS_T) | |
851 | ||
99e757d5 | 852 | gcc_AC_FUNC_PRINTF_PTR |
b27d2bd5 MK |
853 | |
854 | case "${host}" in | |
855 | *-*-uwin*) | |
34fa3e7d MM |
856 | AC_MSG_ERROR([ |
857 | *** UWIN may not be used as a host platform because | |
858 | *** linking with posix.dll is not allowed by the GNU GPL]) | |
b27d2bd5 | 859 | ;; |
ee262b6f DR |
860 | *-*-*vms*) |
861 | # Under VMS, vfork works very different than on Unix. The standard test | |
862 | # won't work, and it isn't easily adaptable. It makes more sense to | |
863 | # just force it. | |
864 | ac_cv_func_vfork_works=yes | |
865 | ;; | |
b27d2bd5 | 866 | esac |
c375c43b | 867 | AC_FUNC_VFORK |
4acab94b | 868 | AC_FUNC_MMAP_ANYWHERE |
56f02b88 | 869 | AC_FUNC_MMAP_FILE |
f1b54f9b | 870 | |
f91abfce TT |
871 | AM_ICONV |
872 | ||
86cf1cbd KG |
873 | # We will need to find libiberty.h and ansidecl.h |
874 | saved_CFLAGS="$CFLAGS" | |
875 | CFLAGS="$CFLAGS -I${srcdir} -I${srcdir}/../include" | |
8e944909 | 876 | gcc_AC_CHECK_DECLS(getenv atol sbrk abort atof getcwd getwd \ |
3b681e9d | 877 | strsignal putc_unlocked fputs_unlocked fwrite_unlocked \ |
a7475ab1 | 878 | fprintf_unlocked strstr errno vasprintf \ |
c1800ec8 | 879 | malloc realloc calloc free basename getopt clock, , ,[ |
d02af173 | 880 | #include "ansidecl.h" |
86cf1cbd | 881 | #include "system.h"]) |
c5c76735 | 882 | |
f31e826b | 883 | gcc_AC_CHECK_DECLS(getrlimit setrlimit getrusage, , ,[ |
d02af173 | 884 | #include "ansidecl.h" |
86cf1cbd | 885 | #include "system.h" |
d2cabf16 KG |
886 | #ifdef HAVE_SYS_RESOURCE_H |
887 | #include <sys/resource.h> | |
888 | #endif | |
889 | ]) | |
890 | ||
b2522d2b HPN |
891 | AC_TRY_COMPILE([ |
892 | #include "ansidecl.h" | |
893 | #include "system.h" | |
894 | #ifdef HAVE_SYS_RESOURCE_H | |
895 | #include <sys/resource.h> | |
896 | #endif | |
897 | ],[rlim_t l = 0;],,[AC_DEFINE([rlim_t],[long], | |
898 | [Define to \`long' if <sys/resource.h> doesn't define.])]) | |
899 | ||
351df804 KG |
900 | gcc_AC_CHECK_DECLS(ldgetname, , ,[ |
901 | #include "ansidecl.h" | |
902 | #include "system.h" | |
903 | #ifdef HAVE_LDFCN_H | |
904 | #include <ldfcn.h> | |
905 | #endif | |
906 | ]) | |
907 | ||
c1800ec8 ZW |
908 | gcc_AC_CHECK_DECLS(times, , ,[ |
909 | #include "ansidecl.h" | |
910 | #include "system.h" | |
911 | #ifdef HAVE_SYS_TIMES_H | |
912 | #include <sys/times.h> | |
913 | #endif | |
914 | ]) | |
915 | ||
916 | # More time-related stuff. | |
917 | AC_CACHE_CHECK(for struct tms, ac_cv_struct_tms, [ | |
918 | AC_TRY_COMPILE([ | |
919 | #include "ansidecl.h" | |
920 | #include "system.h" | |
921 | #ifdef HAVE_SYS_TIMES_H | |
922 | #include <sys/times.h> | |
923 | #endif | |
924 | ], [struct tms tms;], ac_cv_struct_tms=yes, ac_cv_struct_tms=no)]) | |
925 | if test $ac_cv_struct_tms = yes; then | |
926 | AC_DEFINE(HAVE_STRUCT_TMS, 1, | |
927 | [Define if <sys/times.h> defines struct tms.]) | |
928 | fi | |
929 | ||
930 | # use gcc_cv_* here because this doesn't match the behavior of AC_CHECK_TYPE. | |
931 | # revisit after autoconf 2.50. | |
932 | AC_CACHE_CHECK(for clock_t, gcc_cv_type_clock_t, [ | |
933 | AC_TRY_COMPILE([ | |
934 | #include "ansidecl.h" | |
935 | #include "system.h" | |
936 | ], [clock_t x;], gcc_cv_type_clock_t=yes, gcc_cv_type_clock_t=no)]) | |
937 | if test $gcc_cv_type_clock_t = yes; then | |
938 | AC_DEFINE(HAVE_CLOCK_T, 1, | |
939 | [Define if <time.h> defines clock_t.]) | |
940 | fi | |
941 | ||
a12b5bd9 ZW |
942 | AC_CACHE_CHECK(for uchar, gcc_cv_type_uchar, |
943 | [AC_TRY_COMPILE([ | |
944 | #include "ansidecl.h" | |
945 | #include "system.h" | |
946 | ], | |
947 | [if ((uchar *)0) return 0; | |
948 | if (sizeof(uchar)) return 0;], | |
949 | ac_cv_type_uchar=yes, ac_cv_type_uchar=no)]) | |
950 | if test $ac_cv_type_uchar = yes; then | |
951 | AC_DEFINE(HAVE_UCHAR, 1, | |
952 | [Define if <sys/types.h> defines \`uchar'.]) | |
953 | fi | |
954 | ||
86cf1cbd KG |
955 | # Restore CFLAGS from before the gcc_AC_NEED_DECLARATIONS tests. |
956 | CFLAGS="$saved_CFLAGS" | |
957 | ||
eb70d86d AS |
958 | gcc_AC_INITFINI_ARRAY |
959 | ||
75923b2f | 960 | # mkdir takes a single argument on some systems. |
99e757d5 | 961 | gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG |
75923b2f | 962 | |
46f18e7b RK |
963 | # File extensions |
964 | manext='.1' | |
965 | objext='.o' | |
46f18e7b RK |
966 | AC_SUBST(manext) |
967 | AC_SUBST(objext) | |
46f18e7b | 968 | |
4977bab6 ZW |
969 | # With Setjmp/Longjmp based exception handling. |
970 | AC_ARG_ENABLE(sjlj-exceptions, | |
971 | [ --enable-sjlj-exceptions | |
972 | arrange to use setjmp/longjmp exception handling], | |
973 | [sjlj=`if test $enableval = yes; then echo 1; else echo 0; fi` | |
974 | AC_DEFINE_UNQUOTED(CONFIG_SJLJ_EXCEPTIONS, $sjlj, | |
975 | [Define 0/1 to force the choice for exception handling model.])]) | |
976 | ||
977 | AC_CHECK_LIB(unwind, main, use_libunwind_default=yes, use_libunwind_default=no) | |
978 | # Use libunwind based exception handling. | |
979 | AC_ARG_ENABLE(libunwind-exceptions, | |
980 | [ --enable-libunwind-exceptions force use libunwind for exceptions], | |
981 | use_libunwind_exceptions=$enableval, | |
982 | use_libunwind_exceptions=$use_libunwind_default) | |
983 | if test x"$use_libunwind_exceptions" = xyes; then | |
984 | AC_DEFINE(USE_LIBUNWIND_EXCEPTIONS, 1, | |
985 | [Define if gcc should use -lunwind.]) | |
986 | fi | |
987 | ||
34a86c2b NN |
988 | # -------------------------------------------------------- |
989 | # Build, host, and target specific configuration fragments | |
990 | # -------------------------------------------------------- | |
991 | ||
ef69da62 | 992 | target_gtfiles= |
46f18e7b | 993 | build_xm_file= |
61536478 | 994 | build_xm_defines= |
46f18e7b RK |
995 | build_install_headers_dir=install-headers-tar |
996 | build_exeext= | |
997 | host_xm_file= | |
61536478 | 998 | host_xm_defines= |
46f18e7b RK |
999 | host_xmake_file= |
1000 | host_truncate_target= | |
6e26218f | 1001 | host_exeext= |
46f18e7b RK |
1002 | |
1003 | # Decode the host machine, then the target machine. | |
1004 | # For the host machine, we save the xm_file variable as host_xm_file; | |
1005 | # then we decode the target machine and forget everything else | |
1006 | # that came from the host machine. | |
1007 | for machine in $build $host $target; do | |
61ed06c3 | 1008 | . ${srcdir}/config.gcc |
46f18e7b RK |
1009 | done |
1010 | ||
1011 | extra_objs="${host_extra_objs} ${extra_objs}" | |
1012 | ||
1013 | # Default the target-machine variables that were not explicitly set. | |
75bffa71 | 1014 | if test x"$tm_file" = x |
46f18e7b RK |
1015 | then tm_file=$cpu_type/$cpu_type.h; fi |
1016 | ||
6b2adea9 | 1017 | if test x"$extra_headers" = x |
46f18e7b RK |
1018 | then extra_headers=; fi |
1019 | ||
75bffa71 | 1020 | if test x$md_file = x |
e98e406f | 1021 | then md_file=$cpu_type/$cpu_type.md; fi |
46f18e7b | 1022 | |
75bffa71 | 1023 | if test x$out_file = x |
46f18e7b RK |
1024 | then out_file=$cpu_type/$cpu_type.c; fi |
1025 | ||
75bffa71 | 1026 | if test x"$tmake_file" = x |
46f18e7b RK |
1027 | then tmake_file=$cpu_type/t-$cpu_type |
1028 | fi | |
1029 | ||
90e6a802 | 1030 | if test x"$dwarf2" = xyes |
756ee602 | 1031 | then tm_file="$tm_file tm-dwarf2.h" |
90e6a802 RL |
1032 | fi |
1033 | ||
46f18e7b | 1034 | # Say what files are being used for the output code and MD file. |
11642c3a | 1035 | echo "Using \`$srcdir/config/$out_file' for machine-specific logic." |
46f18e7b RK |
1036 | echo "Using \`$srcdir/config/$md_file' as machine description file." |
1037 | ||
11642c3a | 1038 | # If any of the xm_file variables contain nonexistent files, warn |
4dc0535b ZW |
1039 | # about them and drop them. |
1040 | ||
11642c3a ZW |
1041 | bx= |
1042 | for x in $build_xm_file; do | |
1043 | if test -f $srcdir/config/$x | |
1044 | then bx="$bx $x" | |
11642c3a ZW |
1045 | else AC_MSG_WARN($srcdir/config/$x does not exist.) |
1046 | fi | |
1047 | done | |
1048 | build_xm_file="$bx" | |
1049 | ||
1050 | hx= | |
1051 | for x in $host_xm_file; do | |
1052 | if test -f $srcdir/config/$x | |
1053 | then hx="$hx $x" | |
11642c3a ZW |
1054 | else AC_MSG_WARN($srcdir/config/$x does not exist.) |
1055 | fi | |
1056 | done | |
1057 | host_xm_file="$hx" | |
1058 | ||
1059 | tx= | |
1060 | for x in $xm_file; do | |
1061 | if test -f $srcdir/config/$x | |
1062 | then tx="$tx $x" | |
11642c3a ZW |
1063 | else AC_MSG_WARN($srcdir/config/$x does not exist.) |
1064 | fi | |
1065 | done | |
1066 | xm_file="$tx" | |
1067 | ||
46f18e7b RK |
1068 | count=a |
1069 | for f in $tm_file; do | |
1070 | count=${count}x | |
1071 | done | |
75bffa71 | 1072 | if test $count = ax; then |
46f18e7b RK |
1073 | echo "Using \`$srcdir/config/$tm_file' as target machine macro file." |
1074 | else | |
1075 | echo "Using the following target machine macro files:" | |
1076 | for f in $tm_file; do | |
1077 | echo " $srcdir/config/$f" | |
1078 | done | |
1079 | fi | |
1080 | ||
4977bab6 ZW |
1081 | if test x$need_64bit_hwint = xyes; then |
1082 | AC_DEFINE(NEED_64BIT_HOST_WIDE_INT, 1, | |
1083 | [Define to 1 if HOST_WIDE_INT must be 64 bits wide (see hwint.h).]) | |
1084 | fi | |
1085 | ||
46f18e7b RK |
1086 | count=a |
1087 | for f in $host_xm_file; do | |
1088 | count=${count}x | |
1089 | done | |
11642c3a ZW |
1090 | if test $count = a; then |
1091 | : | |
1092 | elif test $count = ax; then | |
46f18e7b RK |
1093 | echo "Using \`$srcdir/config/$host_xm_file' as host machine macro file." |
1094 | else | |
1095 | echo "Using the following host machine macro files:" | |
1096 | for f in $host_xm_file; do | |
1097 | echo " $srcdir/config/$f" | |
1098 | done | |
1099 | fi | |
476d9098 | 1100 | echo "Using ${out_host_hook_obj} for host machine hooks." |
46f18e7b | 1101 | |
75bffa71 | 1102 | if test "$host_xm_file" != "$build_xm_file"; then |
46f18e7b RK |
1103 | count=a |
1104 | for f in $build_xm_file; do | |
1105 | count=${count}x | |
1106 | done | |
11642c3a ZW |
1107 | if test $count = a; then |
1108 | : | |
1109 | elif test $count = ax; then | |
46f18e7b RK |
1110 | echo "Using \`$srcdir/config/$build_xm_file' as build machine macro file." |
1111 | else | |
1112 | echo "Using the following build machine macro files:" | |
1113 | for f in $build_xm_file; do | |
1114 | echo " $srcdir/config/$f" | |
1115 | done | |
1116 | fi | |
1117 | fi | |
1118 | ||
75bffa71 ILT |
1119 | if test x$thread_file = x; then |
1120 | if test x$target_thread_file != x; then | |
a851212a JW |
1121 | thread_file=$target_thread_file |
1122 | else | |
1123 | thread_file='single' | |
1124 | fi | |
46f18e7b | 1125 | fi |
46f18e7b | 1126 | |
a5381466 | 1127 | # Look for a file containing extra machine modes. |
1c0ca89d ZW |
1128 | if test -n "$extra_modes" && test -f $srcdir/config/$extra_modes; then |
1129 | extra_modes_file='$(srcdir)'/config/${extra_modes} | |
a5381466 | 1130 | AC_SUBST(extra_modes_file) |
1c0ca89d | 1131 | AC_DEFINE_UNQUOTED(EXTRA_MODES_FILE, "$extra_modes", |
a5381466 ZW |
1132 | [Define to the name of a file containing a list of extra machine modes |
1133 | for this architecture.]) | |
1134 | AC_DEFINE(EXTRA_CC_MODES, 1, | |
1135 | [Define if the target architecture needs extra machine modes to represent | |
1136 | the results of comparisons.]) | |
1137 | fi | |
1138 | ||
b7cb92ad | 1139 | # auto-host.h is the file containing items generated by autoconf and is |
e9a25f70 | 1140 | # the first file included by config.h. |
4977bab6 | 1141 | # If host=build, it is correct to have bconfig include auto-host.h |
db81d74a RH |
1142 | # as well. If host!=build, we are in error and need to do more |
1143 | # work to find out the build config parameters. | |
75bffa71 | 1144 | if test x$host = x$build |
db81d74a | 1145 | then |
eaf4e618 | 1146 | build_auto=auto-host.h |
06f0b04c | 1147 | FORBUILD=.. |
b7cb92ad JL |
1148 | else |
1149 | # We create a subdir, then run autoconf in the subdir. | |
1150 | # To prevent recursion we set host and build for the new | |
1151 | # invocation of configure to the build for this invocation | |
1152 | # of configure. | |
1153 | tempdir=build.$$ | |
1154 | rm -rf $tempdir | |
1155 | mkdir $tempdir | |
1156 | cd $tempdir | |
1157 | case ${srcdir} in | |
b86ecfa9 | 1158 | /* | [A-Za-z]:[\\/]* ) realsrcdir=${srcdir};; |
b7cb92ad JL |
1159 | *) realsrcdir=../${srcdir};; |
1160 | esac | |
d920e825 L |
1161 | saved_CFLAGS="${CFLAGS}" |
1162 | CC="${CC_FOR_BUILD}" CFLAGS="${CFLAGS_FOR_BUILD}" \ | |
1163 | ${realsrcdir}/configure \ | |
534d0cc0 | 1164 | --target=$target_alias --host=$build_alias --build=$build_alias |
d920e825 | 1165 | CFLAGS="${saved_CFLAGS}" |
b7cb92ad JL |
1166 | |
1167 | # We just finished tests for the build machine, so rename | |
1168 | # the file auto-build.h in the gcc directory. | |
1169 | mv auto-host.h ../auto-build.h | |
1170 | cd .. | |
1171 | rm -rf $tempdir | |
eaf4e618 | 1172 | build_auto=auto-build.h |
61138bb6 | 1173 | FORBUILD=../build-$build_alias |
db81d74a | 1174 | fi |
06f0b04c | 1175 | AC_SUBST(FORBUILD) |
db81d74a | 1176 | |
eaf4e618 | 1177 | tm_file="${tm_file} defaults.h" |
4977bab6 ZW |
1178 | tm_p_file="${tm_p_file} tm-preds.h" |
1179 | host_xm_file="auto-host.h ansidecl.h ${host_xm_file}" | |
1180 | build_xm_file="${build_auto} ansidecl.h ${build_xm_file}" | |
49691411 | 1181 | # We don't want ansidecl.h in target files, write code there in ISO/GNU C. |
b4862477 KG |
1182 | # put this back in temporarily. |
1183 | xm_file="ansidecl.h ${xm_file}" | |
0056a9b5 | 1184 | |
34a86c2b NN |
1185 | # -------- |
1186 | # UNSORTED | |
1187 | # -------- | |
1188 | ||
46f18e7b | 1189 | # Truncate the target if necessary |
75bffa71 | 1190 | if test x$host_truncate_target != x; then |
46f18e7b RK |
1191 | target=`echo $target | sed -e 's/\(..............\).*/\1/'` |
1192 | fi | |
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 | |
1212 | cat > configargs.h <<EOF | |
1213 | /* Generated automatically. */ | |
1214 | static const char configuration_arguments[] = "$gcc_config_arguments"; | |
a6687d2b | 1215 | static const char thread_model[] = "$thread_file"; |
cc1e60ea | 1216 | EOF |
75bffa71 | 1217 | changequote([,])dnl |
46f18e7b | 1218 | |
ab87f8c8 JL |
1219 | # Internationalization |
1220 | PACKAGE=gcc | |
1221 | VERSION="$gcc_version" | |
ab87f8c8 JL |
1222 | AC_SUBST(PACKAGE) |
1223 | AC_SUBST(VERSION) | |
1224 | ||
dc6746e7 | 1225 | # Enable NLS support by default |
ab87f8c8 | 1226 | AC_ARG_ENABLE(nls, |
dc6746e7 PT |
1227 | [ --enable-nls use Native Language Support (default)], |
1228 | , enable_nls=yes) | |
1229 | ||
1230 | # if cross compiling, disable NLS support. | |
1231 | # It's not worth the trouble, at least for now. | |
1232 | ||
063a4b85 | 1233 | if test "${build}" != "${host}" && test "x$enable_nls" = "xyes"; then |
dc6746e7 PT |
1234 | AC_MSG_WARN(Disabling NLS support for canadian cross compiler.) |
1235 | enable_nls=no | |
1236 | fi | |
ab87f8c8 JL |
1237 | |
1238 | AM_GNU_GETTEXT | |
ab87f8c8 | 1239 | |
f4ab28e3 MK |
1240 | # Windows32 Registry support for specifying GCC installation paths. |
1241 | AC_ARG_ENABLE(win32-registry, | |
1242 | [ --disable-win32-registry | |
e8bec136 RO |
1243 | disable lookup of installation paths in the |
1244 | Registry on Windows hosts | |
1245 | --enable-win32-registry enable registry lookup (default) | |
f4ab28e3 | 1246 | --enable-win32-registry=KEY |
e8bec136 RO |
1247 | use KEY instead of GCC version as the last portion |
1248 | of the registry key],,) | |
4e70264f ZW |
1249 | case $host_os in |
1250 | win32 | pe | cygwin* | mingw32* | uwin*) | |
f4ab28e3 | 1251 | AC_MSG_CHECKING(whether windows registry support is requested) |
9dd53f2c | 1252 | if test "x$enable_win32_registry" != xno; then |
119d24d1 KG |
1253 | AC_DEFINE(ENABLE_WIN32_REGISTRY, 1, |
1254 | [Define to 1 if installation paths should be looked up in Windows32 | |
91029a29 | 1255 | Registry. Ignored on non windows32 hosts.]) |
f4ab28e3 | 1256 | AC_MSG_RESULT(yes) |
4e70264f | 1257 | AC_SEARCH_LIBS(RegOpenKeyExA, advapi32) |
f4ab28e3 MK |
1258 | else |
1259 | AC_MSG_RESULT(no) | |
1260 | fi | |
1261 | ||
1262 | # Check if user specified a different registry key. | |
9dd53f2c | 1263 | case "x${enable_win32_registry}" in |
f4ab28e3 MK |
1264 | x | xyes) |
1265 | # default. | |
1266 | gcc_cv_win32_registry_key="$VERSION" | |
1267 | ;; | |
1268 | xno) | |
1269 | # no registry lookup. | |
1270 | gcc_cv_win32_registry_key='' | |
1271 | ;; | |
1272 | *) | |
1273 | # user-specified key. | |
1274 | gcc_cv_win32_registry_key="$enable_win32_registry" | |
1275 | ;; | |
1276 | esac | |
1277 | ||
9dd53f2c | 1278 | if test "x$enable_win32_registry" != xno; then |
f4ab28e3 | 1279 | AC_MSG_CHECKING(registry key on windows hosts) |
119d24d1 KG |
1280 | AC_DEFINE_UNQUOTED(WIN32_REGISTRY_KEY, "$gcc_cv_win32_registry_key", |
1281 | [Define to be the last portion of registry key on windows hosts.]) | |
f4ab28e3 MK |
1282 | AC_MSG_RESULT($gcc_cv_win32_registry_key) |
1283 | fi | |
4e70264f ZW |
1284 | ;; |
1285 | esac | |
f4ab28e3 | 1286 | |
7fa10b25 | 1287 | # Get an absolute path to the GCC top-level source directory |
1e6347d8 | 1288 | holddir=`${PWDCMD-pwd}` |
7fa10b25 | 1289 | cd $srcdir |
1e6347d8 | 1290 | topdir=`${PWDCMD-pwd}` |
7fa10b25 RK |
1291 | cd $holddir |
1292 | ||
af5e4ada | 1293 | # Conditionalize the makefile for this host machine. |
94f42018 DE |
1294 | # Make-host contains the concatenation of all host makefile fragments |
1295 | # [there can be more than one]. This file is built by configure.frag. | |
1296 | host_overrides=Make-host | |
af5e4ada | 1297 | dep_host_xmake_file= |
94f42018 DE |
1298 | for f in .. ${host_xmake_file} |
1299 | do | |
75bffa71 | 1300 | if test -f ${srcdir}/config/$f |
94f42018 DE |
1301 | then |
1302 | dep_host_xmake_file="${dep_host_xmake_file} ${srcdir}/config/$f" | |
1303 | fi | |
1304 | done | |
46f18e7b | 1305 | |
af5e4ada | 1306 | # Conditionalize the makefile for this target machine. |
94f42018 DE |
1307 | # Make-target contains the concatenation of all host makefile fragments |
1308 | # [there can be more than one]. This file is built by configure.frag. | |
1309 | target_overrides=Make-target | |
af5e4ada | 1310 | dep_tmake_file= |
94f42018 DE |
1311 | for f in .. ${tmake_file} |
1312 | do | |
75bffa71 | 1313 | if test -f ${srcdir}/config/$f |
94f42018 DE |
1314 | then |
1315 | dep_tmake_file="${dep_tmake_file} ${srcdir}/config/$f" | |
1316 | fi | |
1317 | done | |
5891b37d | 1318 | |
34a86c2b NN |
1319 | symbolic_link='ln -s' |
1320 | ||
af5e4ada DE |
1321 | # If the host doesn't support symlinks, modify CC in |
1322 | # FLAGS_TO_PASS so CC="stage1/xgcc -Bstage1/" works. | |
1323 | # Otherwise, we can use "CC=$(CC)". | |
1324 | rm -f symtest.tem | |
61536478 | 1325 | if $symbolic_link $srcdir/gcc.c symtest.tem 2>/dev/null |
af5e4ada DE |
1326 | then |
1327 | cc_set_by_configure="\$(CC)" | |
5aa82ace | 1328 | quoted_cc_set_by_configure="\$(CC)" |
af5e4ada | 1329 | stage_prefix_set_by_configure="\$(STAGE_PREFIX)" |
596151e1 | 1330 | quoted_stage_prefix_set_by_configure="\$(STAGE_PREFIX)" |
af5e4ada | 1331 | else |
61536478 JL |
1332 | rm -f symtest.tem |
1333 | if cp -p $srcdir/gcc.c symtest.tem 2>/dev/null | |
1334 | then | |
1335 | symbolic_link="cp -p" | |
1336 | else | |
1337 | symbolic_link="cp" | |
1338 | fi | |
af5e4ada | 1339 | cc_set_by_configure="\`case '\$(CC)' in stage*) echo '\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\$(CC)';; esac\`" |
5aa82ace | 1340 | quoted_cc_set_by_configure="\\\`case '\\\$(CC)' in stage*) echo '\\\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(CC)';; esac\\\`" |
af5e4ada | 1341 | stage_prefix_set_by_configure="\`case '\$(STAGE_PREFIX)' in stage*) echo '\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\$(STAGE_PREFIX)';; esac\`" |
596151e1 | 1342 | 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 |
1343 | fi |
1344 | rm -f symtest.tem | |
5891b37d | 1345 | |
af5e4ada | 1346 | out_object_file=`basename $out_file .c`.o |
5891b37d | 1347 | |
af5e4ada DE |
1348 | tm_file_list= |
1349 | for f in $tm_file; do | |
64ccbc99 | 1350 | case $f in |
d02af173 ZW |
1351 | ansidecl.h ) |
1352 | tm_file_list="${tm_file_list} \$(srcdir)/../include/ansidecl.h" ;; | |
1353 | defaults.h ) | |
e2500fed | 1354 | tm_file_list="${tm_file_list} \$(srcdir)/$f" ;; |
64ccbc99 KG |
1355 | *) tm_file_list="${tm_file_list} \$(srcdir)/config/$f" ;; |
1356 | esac | |
af5e4ada | 1357 | done |
46f18e7b | 1358 | |
11642c3a ZW |
1359 | tm_p_file_list= |
1360 | for f in $tm_p_file; do | |
4977bab6 ZW |
1361 | case $f in |
1362 | tm-preds.h ) | |
1363 | tm_p_file_list="${tm_p_file_list} $f" ;; | |
1364 | *) tm_p_file_list="${tm_p_file_list} \$(srcdir)/config/$f" ;; | |
1365 | esac | |
11642c3a ZW |
1366 | done |
1367 | ||
af5e4ada DE |
1368 | host_xm_file_list= |
1369 | for f in $host_xm_file; do | |
64ccbc99 | 1370 | case $f in |
d02af173 ZW |
1371 | ansidecl.h ) |
1372 | host_xm_file_list="${host_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;; | |
e2500fed | 1373 | auto-host.h ) |
64ccbc99 | 1374 | host_xm_file_list="${host_xm_file_list} $f" ;; |
e2500fed GK |
1375 | defaults.h ) |
1376 | host_xm_file_list="${host_xm_file_list} \$(srcdir)/$f" ;; | |
64ccbc99 KG |
1377 | *) host_xm_file_list="${host_xm_file_list} \$(srcdir)/config/$f" ;; |
1378 | esac | |
af5e4ada DE |
1379 | done |
1380 | ||
1381 | build_xm_file_list= | |
1382 | for f in $build_xm_file; do | |
64ccbc99 | 1383 | case $f in |
d02af173 ZW |
1384 | ansidecl.h ) |
1385 | build_xm_file_list="${build_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;; | |
e2500fed | 1386 | auto-build.h | auto-host.h ) |
64ccbc99 | 1387 | build_xm_file_list="${build_xm_file_list} $f" ;; |
e2500fed GK |
1388 | defaults.h ) |
1389 | host_xm_file_list="${host_xm_file_list} \$(srcdir)/$f" ;; | |
64ccbc99 KG |
1390 | *) build_xm_file_list="${build_xm_file_list} \$(srcdir)/config/$f" ;; |
1391 | esac | |
af5e4ada | 1392 | done |
46f18e7b | 1393 | |
a078a589 ZW |
1394 | # Define macro CROSS_COMPILE in compilation if this is a cross-compiler. |
1395 | # Also use all.cross instead of all.internal and adjust SYSTEM_HEADER_DIR. | |
1396 | CROSS= AC_SUBST(CROSS) | |
1397 | ALL=all.internal AC_SUBST(ALL) | |
1398 | SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)' AC_SUBST(SYSTEM_HEADER_DIR) | |
75bffa71 | 1399 | if test x$host != x$target |
af5e4ada | 1400 | then |
a078a589 ZW |
1401 | CROSS="-DCROSS_COMPILE" |
1402 | ALL=all.cross | |
1403 | SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)' | |
343f59d9 AM |
1404 | case "$host","$target" in |
1405 | i?86-*-*,x86_64-*-* \ | |
1406 | | powerpc*-*-*,powerpc64*-*-*) | |
1407 | CROSS="$CROSS -DNATIVE_CROSS" ;; | |
1408 | esac | |
7a615b25 AO |
1409 | elif test "x$TARGET_SYSTEM_ROOT" != x; then |
1410 | # This is just $(TARGET_SYSTEM_ROOT)$(NATIVE_SYSTEM_HEADER_DIR) | |
1411 | SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)' | |
af5e4ada | 1412 | fi |
46f18e7b | 1413 | |
b39d221a EC |
1414 | # If this is a cross-compiler that does not |
1415 | # have its own set of headers then define | |
1416 | # inhibit_libc | |
1417 | ||
fecd6201 ZW |
1418 | # If this is using newlib, then define inhibit_libc in LIBGCC2_CFLAGS. |
1419 | # This prevents libgcc2 from containing any code which requires libc | |
1420 | # support. | |
b39d221a | 1421 | inhibit_libc= |
4977bab6 ZW |
1422 | if { test x$host != x$target && test "x$with_headers" = x && |
1423 | test "x$with_sysroot" = x ; } || test x$with_newlib = xyes ; then | |
b39d221a | 1424 | inhibit_libc=-Dinhibit_libc |
b39d221a EC |
1425 | fi |
1426 | AC_SUBST(inhibit_libc) | |
1427 | ||
a078a589 ZW |
1428 | # When building gcc with a cross-compiler, we need to adjust things so |
1429 | # that the generator programs are still built with the native compiler. | |
1430 | # Also, we cannot run fixincludes or fix-header. | |
a078a589 ZW |
1431 | |
1432 | # These are the normal (build=host) settings: | |
5c35940c NN |
1433 | BUILD_PREFIX= AC_SUBST(BUILD_PREFIX) |
1434 | BUILD_PREFIX_1=ignore- AC_SUBST(BUILD_PREFIX_1) | |
4977bab6 ZW |
1435 | BUILD_CC='$(CC)' AC_SUBST(BUILD_CC) |
1436 | BUILD_CFLAGS='$(ALL_CFLAGS)' AC_SUBST(BUILD_CFLAGS) | |
a078a589 ZW |
1437 | |
1438 | STMP_FIXINC=stmp-fixinc AC_SUBST(STMP_FIXINC) | |
1439 | STMP_FIXPROTO=stmp-fixproto AC_SUBST(STMP_FIXPROTO) | |
1440 | ||
1441 | # And these apply if build != host. | |
75bffa71 | 1442 | if test x$build != x$host |
af5e4ada | 1443 | then |
5c35940c NN |
1444 | BUILD_PREFIX=build- |
1445 | BUILD_PREFIX_1=build- | |
4977bab6 ZW |
1446 | BUILD_CC='$(CC_FOR_BUILD)' |
1447 | BUILD_CFLAGS='$(INTERNAL_CFLAGS) $(T_CFLAGS) $(CFLAGS_FOR_BUILD) $(XCFLAGS)' | |
a078a589 | 1448 | |
7a615b25 AO |
1449 | if test "x$TARGET_SYSTEM_ROOT" = x; then |
1450 | STMP_FIXINC= | |
1451 | STMP_FIXPROTO= | |
1452 | fi | |
af5e4ada | 1453 | fi |
46f18e7b | 1454 | |
ae3a15bb DE |
1455 | # Expand extra_headers to include complete path. |
1456 | # This substitutes for lots of t-* files. | |
1457 | extra_headers_list= | |
75bffa71 | 1458 | if test "x$extra_headers" = x |
ae3a15bb DE |
1459 | then true |
1460 | else | |
29f7a208 | 1461 | # Prepend ${srcdir}/config/${cpu_type}/ to every entry in extra_headers. |
ae3a15bb DE |
1462 | for file in $extra_headers; |
1463 | do | |
29f7a208 | 1464 | extra_headers_list="${extra_headers_list} \$(srcdir)/config/${cpu_type}/${file}" |
ae3a15bb DE |
1465 | done |
1466 | fi | |
1467 | ||
af5e4ada | 1468 | # Add a definition of USE_COLLECT2 if system wants one. |
34a86c2b NN |
1469 | case $use_collect2 in |
1470 | no) use_collect2= ;; | |
1471 | "") ;; | |
1472 | *) | |
1473 | host_xm_defines="${host_xm_defines} USE_COLLECT2" | |
1474 | xm_defines="${xm_defines} USE_COLLECT2" | |
1475 | ;; | |
1476 | esac | |
af5e4ada | 1477 | |
d869a8c4 NN |
1478 | # Identify the assembler which will work hand-in-glove with the newly |
1479 | # built GCC, so that we can examine its features. This is the assembler | |
1480 | # which will be driven by the driver program. | |
1481 | # | |
1482 | # If build != host, and we aren't building gas in-tree, we identify a | |
1483 | # build->target assembler and hope that it will have the same features | |
1484 | # as the host->target assembler we'll be using. | |
981d4858 | 1485 | AC_MSG_CHECKING(what assembler to use) |
34a86c2b | 1486 | in_tree_gas=no |
9e423e6d | 1487 | gcc_cv_as= |
981d4858 JM |
1488 | gcc_cv_gas_major_version= |
1489 | gcc_cv_gas_minor_version= | |
a2f319ea | 1490 | gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/gas |
3ccc3a56 AO |
1491 | if test -x "$DEFAULT_ASSEMBLER"; then |
1492 | gcc_cv_as="$DEFAULT_ASSEMBLER" | |
1493 | elif test -x "$AS"; then | |
1494 | gcc_cv_as="$AS" | |
ab339d62 | 1495 | elif test -x as$host_exeext; then |
9e423e6d JW |
1496 | # Build using assembler in the current directory. |
1497 | gcc_cv_as=./as$host_exeext | |
34a86c2b NN |
1498 | elif test -f $gcc_cv_as_gas_srcdir/configure.in \ |
1499 | && test -f ../gas/Makefile; then | |
ad9c4d9f NN |
1500 | # Single tree build which includes gas. |
1501 | in_tree_gas=yes | |
1502 | _gcc_COMPUTE_GAS_VERSION | |
f9c1196a ZW |
1503 | rm -f as$host_exeext |
1504 | $symbolic_link ../gas/as-new$host_exeext as$host_exeext 2>/dev/null | |
981d4858 JM |
1505 | fi |
1506 | ||
534d0cc0 | 1507 | if test "x$gcc_cv_as" = x; then |
779243f7 JL |
1508 | # Search the same directories that the installed compiler will |
1509 | # search. Else we may find the wrong assembler and lose. If we | |
1510 | # do not find a suitable assembler binary, then try the user's | |
1511 | # path. | |
1512 | # | |
1513 | # Also note we have to check MD_EXEC_PREFIX before checking the | |
1514 | # user's path. Unfortunately, there is no good way to get at the | |
1515 | # value of MD_EXEC_PREFIX here. So we do a brute force search | |
1516 | # through all the known MD_EXEC_PREFIX values. Ugh. This needs | |
1517 | # to be fixed as part of the make/configure rewrite too. | |
1518 | ||
1519 | if test "x$exec_prefix" = xNONE; then | |
1520 | if test "x$prefix" = xNONE; then | |
1521 | test_prefix=/usr/local | |
1522 | else | |
1523 | test_prefix=$prefix | |
1524 | fi | |
1525 | else | |
1526 | test_prefix=$exec_prefix | |
1527 | fi | |
1528 | ||
1529 | # If the loop below does not find an assembler, then use whatever | |
1530 | # one we can find in the users's path. | |
1531 | # user's path. | |
55a2ea2a AM |
1532 | if test "x$program_prefix" != xNONE; then |
1533 | gcc_cv_as=${program_prefix}as$host_exeext | |
1534 | else | |
1535 | gcc_cv_as=`echo as | sed ${program_transform_name}`$host_exeext | |
1536 | fi | |
1537 | ||
1538 | test_dirs="$test_prefix/lib/gcc-lib/$target_alias/$gcc_version \ | |
1539 | $test_prefix/lib/gcc-lib/$target_alias \ | |
1540 | /usr/lib/gcc/$target_alias/$gcc_version \ | |
1541 | /usr/lib/gcc/$target_alias \ | |
1542 | $test_prefix/$target_alias/bin/$target_alias/$gcc_version \ | |
1543 | $test_prefix/$target_alias/bin" | |
1544 | ||
1545 | if test x$host = x$target; then | |
1546 | test_dirs="$test_dirs \ | |
779243f7 JL |
1547 | /usr/libexec \ |
1548 | /usr/ccs/gcc \ | |
1549 | /usr/ccs/bin \ | |
1550 | /udk/usr/ccs/bin \ | |
1551 | /bsd43/usr/lib/cmplrs/cc \ | |
1552 | /usr/cross64/usr/bin \ | |
1553 | /usr/lib/cmplrs/cc \ | |
1554 | /sysv/usr/lib/cmplrs/cc \ | |
1555 | /svr4/usr/lib/cmplrs/cc \ | |
1556 | /usr/bin" | |
55a2ea2a | 1557 | fi |
779243f7 JL |
1558 | |
1559 | for dir in $test_dirs; do | |
55a2ea2a | 1560 | if test -x $dir/as$host_exeext; then |
779243f7 JL |
1561 | gcc_cv_as=$dir/as$host_exeext |
1562 | break; | |
1563 | fi | |
1564 | done | |
9e423e6d | 1565 | fi |
34a86c2b NN |
1566 | case $in_tree_gas in |
1567 | yes) | |
1568 | AC_MSG_RESULT("newly built gas") | |
1569 | ;; | |
1570 | no) | |
1571 | AC_MSG_RESULT($gcc_cv_as) | |
1572 | ;; | |
1573 | esac | |
981d4858 | 1574 | |
d869a8c4 NN |
1575 | # Identify the linker which will work hand-in-glove with the newly |
1576 | # built GCC, so that we can examine its features. This is the linker | |
1577 | # which will be driven by the driver program. | |
1578 | # | |
1579 | # If build != host, and we aren't building gas in-tree, we identify a | |
1580 | # build->target linker and hope that it will have the same features | |
1581 | # as the host->target linker we'll be using. | |
275b60d6 | 1582 | AC_MSG_CHECKING(what linker to use) |
34a86c2b | 1583 | in_tree_ld=no |
275b60d6 JJ |
1584 | gcc_cv_ld= |
1585 | gcc_cv_gld_major_version= | |
1586 | gcc_cv_gld_minor_version= | |
1587 | gcc_cv_ld_gld_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/ld | |
1588 | gcc_cv_ld_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd | |
1589 | if test -x "$DEFAULT_LINKER"; then | |
1590 | gcc_cv_ld="$DEFAULT_LINKER" | |
1591 | elif test -x "$LD"; then | |
1592 | gcc_cv_ld="$LD" | |
f9c1196a | 1593 | elif test -x collect-ld$host_exeext; then |
275b60d6 | 1594 | # Build using linker in the current directory. |
f9c1196a | 1595 | gcc_cv_ld=./collect-ld$host_exeext |
34a86c2b NN |
1596 | elif test -f $gcc_cv_ld_gld_srcdir/configure.in \ |
1597 | && test -f ../ld/Makefile; then | |
275b60d6 | 1598 | # Single tree build which includes ld. |
34a86c2b | 1599 | in_tree_ld=yes |
275b60d6 JJ |
1600 | 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 |
1601 | do | |
1602 | changequote(,)dnl | |
1603 | gcc_cv_gld_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f` | |
1604 | changequote([,])dnl | |
1605 | if test x$gcc_cv_gld_version != x; then | |
1606 | break | |
1607 | fi | |
1608 | done | |
1609 | changequote(,)dnl | |
1610 | gcc_cv_gld_major_version=`expr "$gcc_cv_gld_version" : "VERSION=\([0-9]*\)"` | |
1611 | gcc_cv_gld_minor_version=`expr "$gcc_cv_gld_version" : "VERSION=[0-9]*\.\([0-9]*\)"` | |
1612 | changequote([,])dnl | |
f9c1196a ZW |
1613 | rm -f collect-ld$host_exeext |
1614 | $symbolic_link ../ld/ld-new$host_exeext collect-ld$host_exeext \ | |
1615 | 2>/dev/null | |
275b60d6 JJ |
1616 | fi |
1617 | ||
534d0cc0 | 1618 | if test "x$gcc_cv_ld" = x; then |
275b60d6 JJ |
1619 | # Search the same directories that the installed compiler will |
1620 | # search. Else we may find the wrong linker and lose. If we | |
1621 | # do not find a suitable linker binary, then try the user's | |
1622 | # path. | |
1623 | # | |
1624 | # Also note we have to check MD_EXEC_PREFIX before checking the | |
1625 | # user's path. Unfortunately, there is no good way to get at the | |
1626 | # value of MD_EXEC_PREFIX here. So we do a brute force search | |
1627 | # through all the known MD_EXEC_PREFIX values. Ugh. This needs | |
1628 | # to be fixed as part of the make/configure rewrite too. | |
1629 | ||
1630 | if test "x$exec_prefix" = xNONE; then | |
1631 | if test "x$prefix" = xNONE; then | |
1632 | test_prefix=/usr/local | |
1633 | else | |
1634 | test_prefix=$prefix | |
1635 | fi | |
1636 | else | |
1637 | test_prefix=$exec_prefix | |
1638 | fi | |
1639 | ||
1640 | # If the loop below does not find an linker, then use whatever | |
1641 | # one we can find in the users's path. | |
1642 | # user's path. | |
55a2ea2a AM |
1643 | if test "x$program_prefix" != xNONE; then |
1644 | gcc_cv_ld=${program_prefix}ld$host_exeext | |
1645 | else | |
1646 | gcc_cv_ld=`echo ld | sed ${program_transform_name}`$host_exeext | |
1647 | fi | |
1648 | ||
1649 | test_dirs="$test_prefix/lib/gcc-lib/$target_alias/$gcc_version \ | |
1650 | $test_prefix/lib/gcc-lib/$target_alias \ | |
1651 | /usr/lib/gcc/$target_alias/$gcc_version \ | |
1652 | /usr/lib/gcc/$target_alias \ | |
1653 | $test_prefix/$target_alias/bin/$target_alias/$gcc_version \ | |
1654 | $test_prefix/$target_alias/bin" | |
1655 | ||
1656 | if test x$host = x$target; then | |
1657 | test_dirs="$test_dirs \ | |
275b60d6 JJ |
1658 | /usr/libexec \ |
1659 | /usr/ccs/gcc \ | |
1660 | /usr/ccs/bin \ | |
1661 | /udk/usr/ccs/bin \ | |
1662 | /bsd43/usr/lib/cmplrs/cc \ | |
1663 | /usr/cross64/usr/bin \ | |
1664 | /usr/lib/cmplrs/cc \ | |
1665 | /sysv/usr/lib/cmplrs/cc \ | |
1666 | /svr4/usr/lib/cmplrs/cc \ | |
1667 | /usr/bin" | |
55a2ea2a | 1668 | fi |
275b60d6 JJ |
1669 | |
1670 | for dir in $test_dirs; do | |
55a2ea2a | 1671 | if test -x $dir/ld$host_exeext; then |
275b60d6 JJ |
1672 | gcc_cv_ld=$dir/ld$host_exeext |
1673 | break; | |
1674 | fi | |
1675 | done | |
1676 | fi | |
34a86c2b NN |
1677 | case $in_tree_ld in |
1678 | yes) | |
1679 | AC_MSG_RESULT("newly built ld") | |
1680 | ;; | |
1681 | no) | |
1682 | AC_MSG_RESULT($gcc_cv_ld) | |
1683 | ;; | |
1684 | esac | |
275b60d6 | 1685 | |
981d4858 | 1686 | # Figure out what nm we will be using. |
f9c1196a | 1687 | gcc_cv_binutils_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/binutils |
981d4858 | 1688 | AC_MSG_CHECKING(what nm to use) |
f9c1196a | 1689 | in_tree_nm=no |
981d4858 JM |
1690 | if test -x nm$host_exeext; then |
1691 | gcc_cv_nm=./nm$host_exeext | |
f9c1196a ZW |
1692 | elif test -f $gcc_cv_binutils_srcdir/configure.in \ |
1693 | && test -f ../binutils/Makefile; then | |
1694 | # Single tree build which includes binutils. | |
1695 | in_tree_nm=yes | |
1696 | gcc_cv_nm=./nm$host_exeext | |
1697 | rm -f nm$host_exeext | |
1698 | $symbolic_link ../binutils/nm-new$host_exeext nm$host_exeext 2>/dev/null | |
534d0cc0 AM |
1699 | elif test "x$program_prefix" != xNONE; then |
1700 | gcc_cv_nm=${program_prefix}nm$host_exeext | |
1701 | else | |
1702 | gcc_cv_nm=`echo nm | sed ${program_transform_name}`$host_exeext | |
981d4858 | 1703 | fi |
f9c1196a ZW |
1704 | case $in_tree_nm in |
1705 | yes) AC_MSG_RESULT("newly built nm") ;; | |
1706 | no) AC_MSG_RESULT($gcc_cv_nm) ;; | |
1707 | esac | |
981d4858 | 1708 | |
3cae5780 AS |
1709 | # Figure out what objdump we will be using. |
1710 | AC_MSG_CHECKING(what objdump to use) | |
f9c1196a | 1711 | in_tree_objdump=no |
3cae5780 AS |
1712 | if test -x objdump$host_exeext; then |
1713 | gcc_cv_objdump=./objdump$host_exeext | |
f9c1196a ZW |
1714 | elif test -f $gcc_cv_binutils_srcdir/configure.in \ |
1715 | && test -f ../binutils/Makefile; then | |
1716 | # Single tree build which includes binutils. | |
1717 | in_tree_objdump=yes | |
1718 | gcc_cv_objdump=./objdump$host_exeext | |
1719 | rm -f objdump$host_exeext | |
1720 | $symbolic_link ../binutils/objdump$host_exeext \ | |
1721 | objdump$host_exeext 2>/dev/null | |
534d0cc0 AM |
1722 | elif test "x$program_prefix" != xNONE; then |
1723 | gcc_cv_objdump=${program_prefix}objdump$host_exeext | |
1724 | else | |
f9c1196a ZW |
1725 | gcc_cv_objdump=`echo objdump | \ |
1726 | sed ${program_transform_name}`$host_exeext | |
3cae5780 | 1727 | fi |
f9c1196a ZW |
1728 | case $in_tree_objdump in |
1729 | yes) AC_MSG_RESULT("newly built objdump") ;; | |
1730 | no) AC_MSG_RESULT($gcc_cv_objdump) ;; | |
1731 | esac | |
3cae5780 | 1732 | |
981d4858 JM |
1733 | # Figure out what assembler alignment features are present. |
1734 | AC_MSG_CHECKING(assembler alignment features) | |
9d147085 | 1735 | gcc_cv_as_alignment_features=none |
34a86c2b | 1736 | if test $in_tree_gas = yes; then |
ad9c4d9f NN |
1737 | # Gas version 2.6 and later support for .balign and .p2align. |
1738 | gcc_GAS_VERSION_GTE_IFELSE(2,6,0,[ | |
1739 | gcc_cv_as_alignment_features=".balign and .p2align" | |
1740 | AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN) | |
1741 | ]) | |
1742 | # Gas version 2.8 and later support specifying the maximum | |
1743 | # bytes to skip when using .p2align. | |
1744 | gcc_GAS_VERSION_GTE_IFELSE(2,8,0,[ | |
1745 | gcc_cv_as_alignment_features=".p2align including maximum skip" | |
1746 | AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN) | |
1747 | ]) | |
981d4858 | 1748 | elif test x$gcc_cv_as != x; then |
00ccc16d JL |
1749 | # Check if we have .balign and .p2align |
1750 | echo ".balign 4" > conftest.s | |
1751 | echo ".p2align 2" >> conftest.s | |
1752 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
1753 | gcc_cv_as_alignment_features=".balign and .p2align" | |
1754 | AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN) | |
1755 | fi | |
1756 | rm -f conftest.s conftest.o | |
9e423e6d JW |
1757 | # Check if specifying the maximum bytes to skip when |
1758 | # using .p2align is supported. | |
1759 | echo ".p2align 4,,7" > conftest.s | |
1760 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
1761 | gcc_cv_as_alignment_features=".p2align including maximum skip" | |
1762 | AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN) | |
1763 | fi | |
1764 | rm -f conftest.s conftest.o | |
1765 | fi | |
1766 | AC_MSG_RESULT($gcc_cv_as_alignment_features) | |
1767 | ||
d1accaa3 | 1768 | AC_MSG_CHECKING(assembler subsection support) |
9d147085 | 1769 | gcc_cv_as_subsections=no |
34a86c2b | 1770 | if test $in_tree_gas = yes ; then |
ad9c4d9f NN |
1771 | gcc_GAS_VERSION_GTE_IFELSE(2,9,0,[ |
1772 | if grep 'obj_format = elf' ../gas/Makefile > /dev/null; then | |
1773 | gcc_cv_as_subsections="working .subsection -1" | |
1774 | fi | |
1775 | ]) | |
981d4858 | 1776 | elif test x$gcc_cv_as != x; then |
d1accaa3 JJ |
1777 | # Check if we have .subsection |
1778 | echo ".subsection 1" > conftest.s | |
1779 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
1780 | gcc_cv_as_subsections=".subsection" | |
d1accaa3 JJ |
1781 | if test x$gcc_cv_nm != x; then |
1782 | cat > conftest.s <<EOF | |
1783 | conftest_label1: .word 0 | |
1784 | .subsection -1 | |
1785 | conftest_label2: .word 0 | |
1786 | .previous | |
1787 | EOF | |
1788 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
1789 | $gcc_cv_nm conftest.o | grep conftest_label1 > conftest.nm1 | |
1790 | $gcc_cv_nm conftest.o | grep conftest_label2 | sed -e 's/label2/label1/' > conftest.nm2 | |
1b015bec AO |
1791 | if cmp conftest.nm1 conftest.nm2 > /dev/null 2>&1; then |
1792 | : | |
1793 | else | |
d1accaa3 | 1794 | gcc_cv_as_subsections="working .subsection -1" |
d1accaa3 JJ |
1795 | fi |
1796 | fi | |
1797 | fi | |
1798 | fi | |
1799 | rm -f conftest.s conftest.o conftest.nm1 conftest.nm2 | |
1800 | fi | |
981d4858 JM |
1801 | if test x"$gcc_cv_as_subsections" = x"working .subsection -1"; then |
1802 | AC_DEFINE(HAVE_GAS_SUBSECTION_ORDERING, 1, | |
1803 | [Define if your assembler supports .subsection and .subsection -1 starts | |
1804 | emitting at the beginning of your section.]) | |
1805 | fi | |
d1accaa3 JJ |
1806 | AC_MSG_RESULT($gcc_cv_as_subsections) |
1807 | ||
12822146 | 1808 | AC_MSG_CHECKING(assembler weak support) |
9d147085 | 1809 | gcc_cv_as_weak=no |
34a86c2b | 1810 | if test $in_tree_gas = yes ; then |
ad9c4d9f | 1811 | gcc_GAS_VERSION_GTE_IFELSE(2,2,0,[ |
981d4858 | 1812 | gcc_cv_as_weak="yes" |
ad9c4d9f | 1813 | ]) |
981d4858 | 1814 | elif test x$gcc_cv_as != x; then |
12822146 JL |
1815 | # Check if we have .weak |
1816 | echo " .weak foobar" > conftest.s | |
1817 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
12822146 JL |
1818 | gcc_cv_as_weak="yes" |
1819 | fi | |
1820 | rm -f conftest.s conftest.o conftest.nm1 conftest.nm2 | |
1821 | fi | |
981d4858 JM |
1822 | if test x"$gcc_cv_as_weak" = xyes; then |
1823 | AC_DEFINE(HAVE_GAS_WEAK, 1, [Define if your assembler supports .weak.]) | |
1824 | fi | |
12822146 JL |
1825 | AC_MSG_RESULT($gcc_cv_as_weak) |
1826 | ||
6a9c5260 | 1827 | AC_MSG_CHECKING(assembler hidden support) |
9d147085 | 1828 | gcc_cv_as_hidden=no |
34a86c2b | 1829 | if test $in_tree_gas = yes ; then |
ad9c4d9f NN |
1830 | gcc_GAS_VERSION_GTE_IFELSE(2,12,1,[ |
1831 | if grep 'obj_format = elf' ../gas/Makefile > /dev/null; then | |
1832 | gcc_cv_as_hidden="yes" | |
1833 | fi | |
1834 | ]) | |
981d4858 | 1835 | elif test x$gcc_cv_as != x; then |
6a9c5260 UD |
1836 | # Check if we have .hidden |
1837 | echo " .hidden foobar" > conftest.s | |
1838 | echo "foobar:" >> conftest.s | |
1839 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
6a9c5260 UD |
1840 | gcc_cv_as_hidden="yes" |
1841 | fi | |
1842 | rm -f conftest.s conftest.o conftest.nm1 conftest.nm2 | |
c72931a6 RH |
1843 | |
1844 | # GNU LD versions before 2.12.1 have buggy support for STV_HIDDEN. | |
1845 | # This is irritatingly difficult to feature test for. Look for | |
1846 | # the date string after the version number. | |
1847 | ld_ver=`$gcc_cv_ld --version 2>/dev/null | head -1` | |
1848 | if echo "$ld_ver" | grep GNU > /dev/null; then | |
1849 | changequote(,)dnl | |
4832c9e1 JJ |
1850 | ld_vers=`echo $ld_ver | sed -n 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\(\|\.[0-9][0-9]*\)\)\([ ].*\|\)$,\1,p'` |
1851 | ld_date=`echo $ld_ver | sed -n 's,^.*\([2-9][0-9][0-9][0-9]\)[-]*\([01][0-9]\)[-]*\([0-3][0-9]\).*$,\1\2\3,p'` | |
c72931a6 | 1852 | if test 0"$ld_date" -lt 20020404; then |
4832c9e1 JJ |
1853 | if test -n "$ld_date"; then |
1854 | # If there was date string, but was earlier than 2002-04-04, fail | |
1855 | gcc_cv_as_hidden="no" | |
1856 | elif test -z "$ld_vers"; then | |
1857 | # If there was no date string nor ld version number, something is wrong | |
1858 | gcc_cv_as_hidden="no" | |
1859 | else | |
1860 | ld_vers_major=`expr "$ld_vers" : '\([0-9]*\)'` | |
1861 | ld_vers_minor=`expr "$ld_vers" : '[0-9]*\.\([0-9]*\)'` | |
1862 | ld_vers_patch=`expr "$ld_vers" : '[0-9]*\.[0-9]*\.\([0-9]*\)'` | |
1863 | test -z "$ld_vers_patch" && ld_vers_patch=0 | |
1864 | if test "$ld_vers_major" -lt 2; then | |
1865 | gcc_cv_as_hidden="no" | |
1866 | elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -lt 12; then | |
1867 | gcc_cv_as_hidden="no" | |
1868 | elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -eq 12 \ | |
1869 | -a "$ld_vers_patch" -eq 0; then | |
1870 | gcc_cv_as_hidden="no" | |
1871 | fi | |
1872 | fi | |
c72931a6 | 1873 | fi |
4832c9e1 | 1874 | changequote([,])dnl |
c72931a6 | 1875 | fi |
6a9c5260 | 1876 | fi |
981d4858 JM |
1877 | if test x"$gcc_cv_as_hidden" = xyes; then |
1878 | AC_DEFINE(HAVE_GAS_HIDDEN, 1, | |
1879 | [Define if your assembler supports .hidden.]) | |
1880 | fi | |
6a9c5260 | 1881 | AC_MSG_RESULT($gcc_cv_as_hidden) |
9e944a16 | 1882 | libgcc_visibility=$gcc_cv_as_hidden |
789b7de5 | 1883 | case "$target" in |
027faee7 | 1884 | mips-sgi-irix6*) |
789b7de5 RO |
1885 | if test x"$gnu_ld_flag" = x"no"; then |
1886 | # Even if using gas with .hidden support, the resulting object files | |
027faee7 AO |
1887 | # cannot be linked with the IRIX 6 O32 linker. With the N32 and |
1888 | # N64 linkers, the problem is that the linker refuses to accept | |
1889 | # -call_shared (passed by default to the linker) and -r (used to | |
1890 | # link the object file generated without .hidden directives with | |
1891 | # one that hides symbols), so we also lose. | |
789b7de5 RO |
1892 | libgcc_visibility=no |
1893 | fi | |
1894 | ;; | |
1895 | esac | |
9e944a16 | 1896 | AC_SUBST(libgcc_visibility) |
6a9c5260 | 1897 | |
b7460f24 | 1898 | AC_MSG_CHECKING(assembler leb128 support) |
fbe42b1b | 1899 | gcc_cv_as_leb128=no |
34a86c2b | 1900 | if test $in_tree_gas = yes ; then |
ad9c4d9f NN |
1901 | gcc_GAS_VERSION_GTE_IFELSE(2,11,0,[ |
1902 | if grep 'obj_format = elf' ../gas/Makefile > /dev/null; then | |
1903 | gcc_cv_as_leb128="yes" | |
1904 | fi | |
1905 | ]) | |
b7460f24 RH |
1906 | elif test x$gcc_cv_as != x; then |
1907 | # Check if we have .[us]leb128, and support symbol arithmetic with it. | |
1908 | cat > conftest.s <<EOF | |
1909 | .data | |
1910 | .uleb128 L2 - L1 | |
1911 | L1: | |
1912 | .uleb128 1280 | |
1913 | .sleb128 -1010 | |
1914 | L2: | |
1915 | EOF | |
1916 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
78e766a0 RH |
1917 | gcc_cv_as_leb128="yes" |
1918 | ||
1919 | # GAS versions before 2.11 do not support uleb128, | |
1920 | # despite appearing to. | |
1921 | # ??? There exists an elf-specific test that will crash | |
1922 | # the assembler. Perhaps it's better to figure out whether | |
1923 | # arbitrary sections are supported and try the test. | |
1924 | as_ver=`$gcc_cv_as --version 2>/dev/null | head -1` | |
1925 | if echo "$as_ver" | grep GNU > /dev/null; then | |
78e766a0 | 1926 | changequote(,)dnl |
5fed851d | 1927 | as_ver=`echo $as_ver | sed -e 's/GNU assembler \([0-9.][0-9.]*\).*/\1/'` |
0461a052 | 1928 | as_major=`echo $as_ver | sed 's/\..*//'` |
3d399d67 | 1929 | as_minor=`echo $as_ver | sed 's/[^.]*\.\([0-9]*\).*/\1/'` |
78e766a0 RH |
1930 | changequote([,])dnl |
1931 | if test $as_major -eq 2 -a $as_minor -lt 11; then | |
1932 | gcc_cv_as_leb128="no" | |
1933 | fi | |
fbe42b1b | 1934 | fi |
b7460f24 RH |
1935 | fi |
1936 | rm -f conftest.s conftest.o conftest.nm1 conftest.nm2 | |
1937 | fi | |
1938 | if test x"$gcc_cv_as_leb128" = xyes; then | |
1939 | AC_DEFINE(HAVE_AS_LEB128, 1, | |
1940 | [Define if your assembler supports .uleb128.]) | |
1941 | fi | |
1942 | AC_MSG_RESULT($gcc_cv_as_leb128) | |
1943 | ||
c64688ae RH |
1944 | AC_MSG_CHECKING(assembler eh_frame optimization) |
1945 | gcc_cv_as_eh_frame=no | |
34a86c2b | 1946 | if test $in_tree_gas = yes ; then |
ad9c4d9f NN |
1947 | gcc_GAS_VERSION_GTE_IFELSE(2,12,0,[ |
1948 | if grep 'obj_format = elf' ../gas/Makefile > /dev/null; then | |
1949 | gcc_cv_as_eh_frame="yes" | |
1950 | fi | |
1951 | ]) | |
c64688ae RH |
1952 | elif test x$gcc_cv_as != x; then |
1953 | # Check if this is GAS. | |
41948db5 SS |
1954 | as_ver=`$gcc_cv_as --version < /dev/null 2> /dev/null | head -1` |
1955 | rm -f a.out 2> /dev/null | |
c64688ae RH |
1956 | if echo "$as_ver" | grep GNU > /dev/null; then |
1957 | # Versions up to and including 2.11.0 may mis-optimize | |
1958 | # .eh_frame data. Try something. | |
1959 | cat > conftest.s <<EOF | |
1960 | .text | |
1961 | .LFB1: | |
1962 | .4byte 0 | |
1963 | .L1: | |
1964 | .4byte 0 | |
1965 | .LFE1: | |
1966 | .section .eh_frame,"aw",@progbits | |
1967 | __FRAME_BEGIN__: | |
1968 | .4byte .LECIE1-.LSCIE1 | |
1969 | .LSCIE1: | |
1970 | .4byte 0x0 | |
1971 | .byte 0x1 | |
1972 | .ascii "z\0" | |
1973 | .byte 0x1 | |
1974 | .byte 0x78 | |
1975 | .byte 0x1a | |
1976 | .byte 0x0 | |
1977 | .byte 0x4 | |
1978 | .4byte 1 | |
1979 | .p2align 1 | |
1980 | .LECIE1: | |
1981 | .LSFDE1: | |
1982 | .4byte .LEFDE1-.LASFDE1 | |
1983 | .LASFDE1: | |
1984 | .4byte .LASFDE1-__FRAME_BEGIN__ | |
1985 | .4byte .LFB1 | |
1986 | .4byte .LFE1-.LFB1 | |
1987 | .byte 0x4 | |
1988 | .4byte .LFE1-.LFB1 | |
1989 | .byte 0x4 | |
1990 | .4byte .L1-.LFB1 | |
1991 | .LEFDE1: | |
1992 | EOF | |
01efb963 | 1993 | cat > conftest.lit <<EOF |
c64688ae RH |
1994 | 0000 10000000 00000000 017a0001 781a0004 .........z..x... |
1995 | 0010 01000000 12000000 18000000 00000000 ................ | |
1996 | 0020 08000000 04080000 0044 .........D | |
01efb963 AS |
1997 | EOF |
1998 | cat > conftest.big <<EOF | |
1999 | 0000 00000010 00000000 017a0001 781a0004 .........z..x... | |
2000 | 0010 00000001 00000012 00000018 00000000 ................ | |
2001 | 0020 00000008 04000000 0844 .........D | |
c64688ae RH |
2002 | EOF |
2003 | # If the assembler didn't choke, and we can objdump, | |
2004 | # and we got the correct data, then succeed. | |
2005 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \ | |
3cae5780 | 2006 | && $gcc_cv_objdump -s -j .eh_frame conftest.o 2>/dev/null \ |
c64688ae | 2007 | | tail -3 > conftest.got \ |
01efb963 AS |
2008 | && { cmp conftest.lit conftest.got > /dev/null 2>&1 \ |
2009 | || cmp conftest.big conftest.got > /dev/null 2>&1; } | |
c64688ae RH |
2010 | then |
2011 | gcc_cv_as_eh_frame="yes" | |
2012 | else | |
2013 | gcc_cv_as_eh_frame="bad" | |
2014 | if $gcc_cv_as -o conftest.o --traditional-format /dev/null; then | |
2015 | AC_DEFINE(USE_AS_TRADITIONAL_FORMAT, 1, | |
2016 | [Define if your assembler mis-optimizes .eh_frame data.]) | |
2017 | fi | |
2018 | fi | |
2019 | fi | |
2020 | rm -f conftest.* | |
2021 | fi | |
2022 | AC_MSG_RESULT($gcc_cv_as_eh_frame) | |
2023 | ||
201556f0 JJ |
2024 | AC_MSG_CHECKING(assembler section merging support) |
2025 | gcc_cv_as_shf_merge=no | |
34a86c2b | 2026 | if test $in_tree_gas = yes ; then |
ad9c4d9f NN |
2027 | gcc_GAS_VERSION_GTE_IFELSE(2,12,0,[ |
2028 | if grep 'obj_format = elf' ../gas/Makefile > /dev/null; then | |
2029 | gcc_cv_as_shf_merge=yes | |
2030 | fi | |
2031 | ]) | |
201556f0 JJ |
2032 | elif test x$gcc_cv_as != x; then |
2033 | # Check if we support SHF_MERGE sections | |
2034 | echo '.section .rodata.str, "aMS", @progbits, 1' > conftest.s | |
a8b7afb9 | 2035 | if $gcc_cv_as --fatal-warnings -o conftest.o conftest.s > /dev/null 2>&1; then |
201556f0 JJ |
2036 | gcc_cv_as_shf_merge=yes |
2037 | fi | |
2038 | rm -f conftest.s conftest.o | |
2039 | fi | |
2040 | if test x"$gcc_cv_as_shf_merge" = xyes; then | |
2041 | AC_DEFINE(HAVE_GAS_SHF_MERGE, 1, | |
2042 | [Define if your assembler supports marking sections with SHF_MERGE flag.]) | |
2043 | fi | |
2044 | AC_MSG_RESULT($gcc_cv_as_shf_merge) | |
2045 | ||
f996902d RH |
2046 | AC_MSG_CHECKING(assembler thread-local storage support) |
2047 | gcc_cv_as_tls=no | |
2048 | conftest_s= | |
2049 | tls_first_major= | |
2050 | tls_first_minor= | |
2051 | case "$target" in | |
2052 | changequote(,)dnl | |
6f9b006d RH |
2053 | alpha*-*-*) |
2054 | conftest_s=' | |
2055 | .section ".tdata","awT",@progbits | |
2056 | foo: .long 25 | |
2057 | .text | |
2058 | ldq $27,__tls_get_addr($29) !literal!1 | |
2059 | lda $16,foo($29) !tlsgd!1 | |
2060 | jsr $26,($27),__tls_get_addr !lituse_tlsgd!1 | |
2061 | ldq $27,__tls_get_addr($29) !literal!2 | |
2062 | lda $16,foo($29) !tlsldm!2 | |
2063 | jsr $26,($27),__tls_get_addr !lituse_tlsldm!2 | |
2064 | ldq $1,foo($29) !gotdtprel | |
2065 | ldah $2,foo($29) !dtprelhi | |
2066 | lda $3,foo($2) !dtprello | |
2067 | lda $4,foo($29) !dtprel | |
2068 | ldq $1,foo($29) !gottprel | |
2069 | ldah $2,foo($29) !tprelhi | |
2070 | lda $3,foo($2) !tprello | |
2071 | lda $4,foo($29) !tprel' | |
2072 | tls_first_major=2 | |
2073 | tls_first_minor=13 | |
2074 | ;; | |
f996902d RH |
2075 | i[34567]86-*-*) |
2076 | changequote([,])dnl | |
2077 | conftest_s=' | |
2078 | .section ".tdata","awT",@progbits | |
2079 | foo: .long 25 | |
2080 | .text | |
2081 | movl %gs:0, %eax | |
2082 | leal foo@TLSGD(,%ebx,1), %eax | |
2083 | leal foo@TLSLDM(%ebx), %eax | |
2084 | leal foo@DTPOFF(%eax), %edx | |
2085 | movl foo@GOTTPOFF(%ebx), %eax | |
2086 | subl foo@GOTTPOFF(%ebx), %eax | |
75d38379 JJ |
2087 | addl foo@GOTNTPOFF(%ebx), %eax |
2088 | movl foo@INDNTPOFF, %eax | |
f996902d RH |
2089 | movl $foo@TPOFF, %eax |
2090 | subl $foo@TPOFF, %eax | |
2091 | leal foo@NTPOFF(%ecx), %eax' | |
2092 | tls_first_major=2 | |
75d38379 JJ |
2093 | tls_first_minor=14 |
2094 | ;; | |
2095 | x86_64-*-*) | |
2096 | conftest_s=' | |
2097 | .section ".tdata","awT",@progbits | |
2098 | foo: .long 25 | |
2099 | .text | |
2100 | movq %fs:0, %rax | |
2101 | leaq foo@TLSGD(%rip), %rdi | |
2102 | leaq foo@TLSLD(%rip), %rdi | |
2103 | leaq foo@DTPOFF(%rax), %rdx | |
2104 | movq foo@GOTTPOFF(%rip), %rax | |
2105 | movq $foo@TPOFF, %rax' | |
2106 | tls_first_major=2 | |
2107 | tls_first_minor=14 | |
f996902d | 2108 | ;; |
7b6e506e RH |
2109 | ia64-*-*) |
2110 | conftest_s=' | |
2111 | .section ".tdata","awT",@progbits | |
2112 | foo: data8 25 | |
2113 | .text | |
2114 | addl r16 = @ltoff(@dtpmod(foo#)), gp | |
2115 | addl r17 = @ltoff(@dtprel(foo#)), gp | |
2116 | addl r18 = @ltoff(@tprel(foo#)), gp | |
2117 | addl r19 = @dtprel(foo#), gp | |
2118 | adds r21 = @dtprel(foo#), r13 | |
2119 | movl r23 = @dtprel(foo#) | |
2120 | addl r20 = @tprel(foo#), gp | |
2121 | adds r22 = @tprel(foo#), r13 | |
2122 | movl r24 = @tprel(foo#)' | |
2123 | tls_first_major=2 | |
2124 | tls_first_minor=13 | |
2125 | ;; | |
fd3cd001 UW |
2126 | s390-*-*) |
2127 | conftest_s=' | |
2128 | .section ".tdata","awT",@progbits | |
2129 | foo: .long 25 | |
2130 | .text | |
2131 | .long foo@TLSGD | |
2132 | .long foo@TLSLDM | |
2133 | .long foo@DTPOFF | |
2134 | .long foo@NTPOFF | |
2135 | .long foo@GOTNTPOFF | |
2136 | .long foo@INDNTPOFF | |
2137 | l %r1,foo@GOTNTPOFF(%r12) | |
2138 | l %r1,0(%r1):tls_load:foo | |
2139 | bas %r14,0(%r1,%r13):tls_gdcall:foo | |
2140 | bas %r14,0(%r1,%r13):tls_ldcall:foo' | |
2141 | tls_first_major=2 | |
2142 | tls_first_minor=14 | |
2143 | ;; | |
2144 | s390x-*-*) | |
2145 | conftest_s=' | |
2146 | .section ".tdata","awT",@progbits | |
2147 | foo: .long 25 | |
2148 | .text | |
2149 | .quad foo@TLSGD | |
2150 | .quad foo@TLSLDM | |
2151 | .quad foo@DTPOFF | |
2152 | .quad foo@NTPOFF | |
2153 | .quad foo@GOTNTPOFF | |
2154 | lg %r1,foo@GOTNTPOFF(%r12) | |
2155 | larl %r1,foo@INDNTPOFF | |
2156 | brasl %r14,__tls_get_offset@PLT:tls_gdcall:foo | |
2157 | brasl %r14,__tls_get_offset@PLT:tls_ldcall:foo' | |
2158 | tls_first_major=2 | |
2159 | tls_first_minor=14 | |
2160 | ;; | |
f996902d RH |
2161 | esac |
2162 | if test -z "$tls_first_major"; then | |
2163 | : | |
34a86c2b | 2164 | elif test $in_tree_gas = yes ; then |
ad9c4d9f | 2165 | gcc_GAS_VERSION_GTE_IFELSE($tls_first_major,$tls_first_minor,0,[ |
f996902d | 2166 | gcc_cv_as_tls=yes |
ad9c4d9f | 2167 | ]) |
f996902d RH |
2168 | elif test x$gcc_cv_as != x; then |
2169 | echo "$conftest_s" > conftest.s | |
2170 | if $gcc_cv_as --fatal-warnings -o conftest.o conftest.s > /dev/null 2>&1 | |
2171 | then | |
2172 | gcc_cv_as_tls=yes | |
2173 | fi | |
2174 | rm -f conftest.s conftest.o | |
2175 | fi | |
2176 | if test "$gcc_cv_as_tls" = yes; then | |
2177 | AC_DEFINE(HAVE_AS_TLS, 1, | |
2178 | [Define if your assembler supports thread-local storage.]) | |
2179 | fi | |
2180 | AC_MSG_RESULT($gcc_cv_as_tls) | |
2181 | ||
275b60d6 | 2182 | case "$target" in |
3a37b08e RH |
2183 | # All TARGET_ABI_OSF targets. |
2184 | alpha*-*-osf* | alpha*-*-linux* | alpha*-*-*bsd*) | |
2185 | AC_CACHE_CHECK([assembler supports explicit relocations], | |
2186 | gcc_cv_as_explicit_relocs, [ | |
2187 | gcc_cv_as_explicit_relocs=unknown | |
34a86c2b | 2188 | if test $in_tree_gas = yes ; then |
ad9c4d9f | 2189 | gcc_GAS_VERSION_GTE_IFELSE(2,12,0,[ |
3a37b08e | 2190 | gcc_cv_as_explicit_relocs=yes |
ad9c4d9f | 2191 | ]) |
3a37b08e RH |
2192 | elif test x$gcc_cv_as != x; then |
2193 | cat > conftest.s << 'EOF' | |
2194 | .set nomacro | |
2195 | .text | |
2196 | extbl $3, $2, $3 !lituse_bytoff!1 | |
2197 | ldq $2, a($29) !literal!1 | |
2198 | ldq $4, b($29) !literal!2 | |
2199 | ldq_u $3, 0($2) !lituse_base!1 | |
2200 | ldq $27, f($29) !literal!5 | |
2201 | jsr $26, ($27), f !lituse_jsr!5 | |
2202 | ldah $29, 0($26) !gpdisp!3 | |
2203 | lda $0, c($29) !gprel | |
2204 | ldah $1, d($29) !gprelhigh | |
2205 | lda $1, d($1) !gprellow | |
2206 | lda $29, 0($29) !gpdisp!3 | |
2207 | EOF | |
2208 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
2209 | gcc_cv_as_explicit_relocs=yes | |
2210 | else | |
2211 | gcc_cv_as_explicit_relocs=no | |
2212 | fi | |
2213 | rm -f conftest.s conftest.o | |
2214 | fi | |
2215 | ]) | |
2216 | if test "x$gcc_cv_as_explicit_relocs" = xyes; then | |
2217 | AC_DEFINE(HAVE_AS_EXPLICIT_RELOCS, 1, | |
2218 | [Define if your assembler supports explicit relocations.]) | |
2219 | fi | |
2220 | ;; | |
1cb36a98 | 2221 | sparc*-*-*) |
5b68c389 AO |
2222 | AC_CACHE_CHECK([assembler .register pseudo-op support], |
2223 | gcc_cv_as_register_pseudo_op, [ | |
2224 | gcc_cv_as_register_pseudo_op=unknown | |
2225 | if test x$gcc_cv_as != x; then | |
2226 | # Check if we have .register | |
2227 | echo ".register %g2, #scratch" > conftest.s | |
2228 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
1cb36a98 | 2229 | gcc_cv_as_register_pseudo_op=yes |
5b68c389 AO |
2230 | else |
2231 | gcc_cv_as_register_pseudo_op=no | |
2232 | fi | |
2233 | rm -f conftest.s conftest.o | |
1cb36a98 | 2234 | fi |
5b68c389 AO |
2235 | ]) |
2236 | if test "x$gcc_cv_as_register_pseudo_op" = xyes; then | |
119d24d1 KG |
2237 | AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1, |
2238 | [Define if your assembler supports .register.]) | |
1cb36a98 | 2239 | fi |
1cb36a98 | 2240 | |
e95b1e6a JJ |
2241 | AC_CACHE_CHECK([assembler supports -relax], |
2242 | gcc_cv_as_relax_opt, [ | |
2243 | gcc_cv_as_relax_opt=unknown | |
2244 | if test x$gcc_cv_as != x; then | |
2245 | # Check if gas supports -relax | |
2246 | echo ".text" > conftest.s | |
2247 | if $gcc_cv_as -relax -o conftest.o conftest.s > /dev/null 2>&1; then | |
2248 | gcc_cv_as_relax_opt=yes | |
2249 | else | |
2250 | gcc_cv_as_relax_opt=no | |
2251 | fi | |
2252 | rm -f conftest.s conftest.o | |
2253 | fi | |
2254 | ]) | |
2255 | if test "x$gcc_cv_as_relax_opt" = xyes; then | |
2256 | AC_DEFINE(HAVE_AS_RELAX_OPTION, 1, | |
2257 | [Define if your assembler supports -relax option.]) | |
2258 | fi | |
2259 | ||
17e9e88c JJ |
2260 | AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs], |
2261 | gcc_cv_as_sparc_ua_pcrel, [ | |
2262 | gcc_cv_as_sparc_ua_pcrel=unknown | |
2263 | if test x$gcc_cv_as != x -a x$gcc_cv_ld != x; then | |
2264 | gcc_cv_as_sparc_ua_pcrel=no | |
2265 | echo ".text; foo: nop; .data; .align 4; .byte 0; .uaword %r_disp32(foo)" > conftest.s | |
cf7b8b0d JJ |
2266 | if $gcc_cv_as -K PIC -o conftest.o conftest.s > /dev/null 2>&1 \ |
2267 | && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1; then | |
2268 | gcc_cv_as_sparc_ua_pcrel=yes | |
17e9e88c JJ |
2269 | fi |
2270 | rm -f conftest.s conftest.o conftest | |
2271 | fi | |
2272 | ]) | |
2273 | if test "x$gcc_cv_as_sparc_ua_pcrel" = xyes; then | |
2274 | AC_DEFINE(HAVE_AS_SPARC_UA_PCREL, 1, | |
2275 | [Define if your assembler and linker support unaligned PC relative relocs.]) | |
2276 | fi | |
2277 | ||
cf7b8b0d JJ |
2278 | AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs against hidden symbols], |
2279 | gcc_cv_as_sparc_ua_pcrel_hidden, [ | |
2280 | if test "x$gcc_cv_as_sparc_ua_pcrel" = xyes; then | |
2281 | gcc_cv_as_sparc_ua_pcrel_hidden=unknown | |
2282 | if test x$gcc_cv_objdump != x; then | |
2283 | gcc_cv_as_sparc_ua_pcrel_hidden=no | |
2284 | echo ".data; .align 4; .byte 0x31; .uaword %r_disp32(foo)" > conftest.s | |
2285 | echo ".byte 0x32, 0x33, 0x34; .global foo; .hidden foo" >> conftest.s | |
2286 | echo "foo: .skip 4" >> conftest.s | |
2287 | if $gcc_cv_as -K PIC -o conftest.o conftest.s > /dev/null 2>&1 \ | |
2288 | && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1 \ | |
2289 | && $gcc_cv_objdump -s -j .data conftest 2> /dev/null \ | |
2290 | | grep ' 31000000 07323334' > /dev/null 2>&1; then | |
2291 | if $gcc_cv_objdump -R conftest 2> /dev/null \ | |
2292 | | grep 'DISP32' > /dev/null 2>&1; then | |
2293 | : | |
2294 | else | |
2295 | gcc_cv_as_sparc_ua_pcrel_hidden=yes | |
2296 | fi | |
2297 | fi | |
2298 | fi | |
2299 | rm -f conftest.s conftest.o conftest | |
2300 | else | |
2301 | gcc_cv_as_sparc_ua_pcrel_hidden="$gcc_cv_as_sparc_ua_pcrel" | |
2302 | fi | |
2303 | ]) | |
2304 | if test "x$gcc_cv_as_sparc_ua_pcrel_hidden" = xyes; then | |
2305 | AC_DEFINE(HAVE_AS_SPARC_UA_PCREL_HIDDEN, 1, | |
2306 | [Define if your assembler and linker support unaligned PC relative relocs against hidden symbols.]) | |
2307 | fi | |
2308 | ||
22252625 JJ |
2309 | AC_CACHE_CHECK([for assembler offsetable %lo() support], |
2310 | gcc_cv_as_offsetable_lo10, [ | |
2311 | gcc_cv_as_offsetable_lo10=unknown | |
2312 | if test "x$gcc_cv_as" != x; then | |
2313 | # Check if assembler has offsetable %lo() | |
2314 | echo "or %g1, %lo(ab) + 12, %g1" > conftest.s | |
2315 | echo "or %g1, %lo(ab + 12), %g1" > conftest1.s | |
2316 | if $gcc_cv_as -xarch=v9 -o conftest.o conftest.s \ | |
2317 | > /dev/null 2>&1 && | |
2318 | $gcc_cv_as -xarch=v9 -o conftest1.o conftest1.s \ | |
2319 | > /dev/null 2>&1; then | |
2320 | if cmp conftest.o conftest1.o > /dev/null 2>&1; then | |
5b68c389 | 2321 | gcc_cv_as_offsetable_lo10=no |
22252625 JJ |
2322 | else |
2323 | gcc_cv_as_offsetable_lo10=yes | |
1cb36a98 | 2324 | fi |
22252625 JJ |
2325 | else |
2326 | gcc_cv_as_offsetable_lo10=no | |
5b68c389 | 2327 | fi |
22252625 | 2328 | rm -f conftest.s conftest.o conftest1.s conftest1.o |
1cb36a98 | 2329 | fi |
22252625 JJ |
2330 | ]) |
2331 | if test "x$gcc_cv_as_offsetable_lo10" = xyes; then | |
2332 | AC_DEFINE(HAVE_AS_OFFSETABLE_LO10, 1, | |
2333 | [Define if your assembler supports offsetable %lo().]) | |
1cb36a98 | 2334 | fi |
cb65112a | 2335 | |
1cb36a98 RH |
2336 | ;; |
2337 | ||
2338 | changequote(,)dnl | |
c307e6dd | 2339 | i[34567]86-*-* | x86_64-*-*) |
1cb36a98 RH |
2340 | changequote([,])dnl |
2341 | AC_MSG_CHECKING(assembler instructions) | |
2342 | gcc_cv_as_instructions= | |
34a86c2b | 2343 | if test $in_tree_gas = yes ; then |
ad9c4d9f | 2344 | gcc_GAS_VERSION_GTE_IFELSE(2,9,0,[ |
981d4858 | 2345 | gcc_cv_as_instructions="filds fists" |
ad9c4d9f | 2346 | ]) |
981d4858 | 2347 | elif test x$gcc_cv_as != x; then |
53b5ce19 JW |
2348 | set "filds fists" "filds mem; fists mem" |
2349 | while test $# -gt 0 | |
2350 | do | |
2351 | echo "$2" > conftest.s | |
2352 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
2353 | gcc_cv_as_instructions=${gcc_cv_as_instructions}$1" " | |
53b5ce19 JW |
2354 | fi |
2355 | shift 2 | |
2356 | done | |
2357 | rm -f conftest.s conftest.o | |
1cb36a98 | 2358 | fi |
981d4858 | 2359 | if test x"$gcc_cv_as_instructions" != x; then |
ee7692d2 | 2360 | AC_DEFINE_UNQUOTED(HAVE_GAS_`echo "$gcc_cv_as_instructions" | sed -e 's/ $//' | tr '[a-z ]' '[A-Z_]'`) |
981d4858 | 2361 | fi |
1cb36a98 | 2362 | AC_MSG_RESULT($gcc_cv_as_instructions) |
f88c65f7 RH |
2363 | |
2364 | AC_MSG_CHECKING(assembler GOTOFF in data directives) | |
2365 | gcc_cv_as_gotoff_in_data=no | |
34a86c2b | 2366 | if test $in_tree_gas = yes ; then |
ad9c4d9f | 2367 | gcc_GAS_VERSION_GTE_IFELSE(2,11,0,[ |
f88c65f7 | 2368 | gcc_cv_as_gotoff_in_data=yes |
ad9c4d9f | 2369 | ]) |
f88c65f7 RH |
2370 | elif test x$gcc_cv_as != x; then |
2371 | cat > conftest.s <<EOF | |
2372 | .text | |
2373 | .L0: | |
2374 | nop | |
2375 | .data | |
2376 | .long .L0@GOTOFF | |
2377 | EOF | |
2378 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
2379 | gcc_cv_as_gotoff_in_data=yes | |
2380 | fi | |
2381 | fi | |
2382 | AC_DEFINE_UNQUOTED(HAVE_AS_GOTOFF_IN_DATA, | |
2383 | [`if test $gcc_cv_as_gotoff_in_data = yes; then echo 1; else echo 0; fi`], | |
2384 | [Define true if the assembler supports '.long foo@GOTOFF'.]) | |
2385 | AC_MSG_RESULT($gcc_cv_as_gotoff_in_data) | |
1cb36a98 | 2386 | ;; |
ef1ecf87 RH |
2387 | |
2388 | ia64*-*-*) | |
2389 | AC_CACHE_CHECK([assembler supports ltoffx and ldxmov], | |
2390 | gcc_cv_as_ltoffx_ldxmov_relocs, [ | |
2391 | gcc_cv_as_ltoffx_ldxmov_relocs=unknown | |
ad9c4d9f NN |
2392 | if test $in_tree_gas = yes ; then |
2393 | gcc_GAS_VERSION_GTE_IFELSE(2,14,0,[ | |
2394 | gcc_cv_as_ltoffx_ldxmov_relocs=yes | |
2395 | ]) | |
ef1ecf87 RH |
2396 | elif test x$gcc_cv_as != x; then |
2397 | cat > conftest.s << 'EOF' | |
2398 | changequote(,)dnl | |
2399 | .text | |
2400 | addl r15 = @ltoffx(x#), gp | |
2401 | ;; | |
2402 | ld8.mov r16 = [r15], x# | |
2403 | EOF | |
2404 | changequote([,])dnl | |
2405 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
2406 | gcc_cv_as_ltoffx_ldxmov_relocs=yes | |
2407 | else | |
2408 | gcc_cv_as_ltoffx_ldxmov_relocs=no | |
2409 | fi | |
2410 | rm -f conftest.s conftest.o | |
2411 | fi | |
2412 | ]) | |
2413 | if test "x$gcc_cv_as_ltoffx_ldxmov_relocs" = xyes; then | |
2414 | AC_DEFINE(HAVE_AS_LTOFFX_LDXMOV_RELOCS, 1, | |
2415 | [Define if your assembler supports ltoffx and ldxmov relocations.]) | |
2416 | fi | |
2417 | ;; | |
1cb36a98 | 2418 | esac |
53b5ce19 | 2419 | |
9d147085 RH |
2420 | AC_MSG_CHECKING(assembler dwarf2 debug_line support) |
2421 | gcc_cv_as_dwarf2_debug_line=no | |
2422 | # ??? Not all targets support dwarf2 debug_line, even within a version | |
2423 | # of gas. Moreover, we need to emit a valid instruction to trigger any | |
2424 | # info to the output file. So, as supported targets are added to gas 2.11, | |
2425 | # add some instruction here to (also) show we expect this might work. | |
2426 | # ??? Once 2.11 is released, probably need to add first known working | |
2427 | # version to the per-target configury. | |
2428 | case "$target" in | |
80486e06 DJ |
2429 | i?86*-*-* | mips*-*-* | alpha*-*-* | powerpc*-*-* | sparc*-*-* | m68*-*-* \ |
2430 | | x86_64*-*-* | hppa*-*-* | arm*-*-* | strongarm*-*-* | xscale*-*-*) | |
9d147085 RH |
2431 | insn="nop" |
2432 | ;; | |
2433 | ia64*-*-*) | |
2434 | insn="nop 0" | |
2435 | ;; | |
2436 | esac | |
34a86c2b | 2437 | if test $in_tree_gas = yes ; then |
ad9c4d9f NN |
2438 | gcc_GAS_VERSION_GTE_IFELSE(2,11,0,[ |
2439 | if grep 'obj_format = elf' ../gas/Makefile > /dev/null \ | |
2440 | && test x"$insn" != x ; then | |
2441 | gcc_cv_as_dwarf2_debug_line="yes" | |
2442 | fi | |
2443 | ]) | |
9d147085 | 2444 | elif test x$gcc_cv_as != x -a x"$insn" != x ; then |
acc187f5 RH |
2445 | echo ' .file 1 "conftest.s"' > conftest.s |
2446 | echo ' .loc 1 3 0' >> conftest.s | |
9d147085 | 2447 | echo " $insn" >> conftest.s |
981975b6 | 2448 | # ??? This fails with non-gnu grep. |
9d147085 RH |
2449 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \ |
2450 | && grep debug_line conftest.o > /dev/null 2>&1 ; then | |
981975b6 | 2451 | # The .debug_line file table must be in the exact order that |
eaec9b3d | 2452 | # we specified the files, since these indices are also used |
981975b6 RH |
2453 | # by DW_AT_decl_file. Approximate this test by testing if |
2454 | # the assembler bitches if the same index is assigned twice. | |
2455 | echo ' .file 1 "foo.s"' > conftest.s | |
2456 | echo ' .file 1 "bar.s"' >> conftest.s | |
2457 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 | |
2458 | then | |
2459 | gcc_cv_as_dwarf2_debug_line="no" | |
2460 | else | |
2461 | gcc_cv_as_dwarf2_debug_line="yes" | |
2462 | fi | |
9d147085 RH |
2463 | fi |
2464 | rm -f conftest.s conftest.o conftest.nm1 conftest.nm2 | |
2465 | fi | |
2466 | if test x"$gcc_cv_as_dwarf2_debug_line" = xyes; then | |
2467 | AC_DEFINE(HAVE_AS_DWARF2_DEBUG_LINE, 1, | |
981975b6 | 2468 | [Define if your assembler supports dwarf2 .file/.loc directives, |
eaec9b3d | 2469 | and preserves file table indices exactly as given.]) |
9d147085 RH |
2470 | fi |
2471 | AC_MSG_RESULT($gcc_cv_as_dwarf2_debug_line) | |
2472 | ||
5f0e9ea2 GK |
2473 | AC_MSG_CHECKING(assembler --gdwarf2 support) |
2474 | gcc_cv_as_gdwarf2_flag=no | |
34a86c2b | 2475 | if test $in_tree_gas = yes ; then |
ad9c4d9f NN |
2476 | gcc_GAS_VERSION_GTE_IFELSE(2,11,0,[ |
2477 | if grep 'obj_format = elf' ../gas/Makefile > /dev/null \ | |
2478 | && test x"$insn" != x ; then | |
2479 | gcc_cv_as_gdwarf2_flag="yes" | |
2480 | fi | |
2481 | ]) | |
5f0e9ea2 GK |
2482 | elif test x$gcc_cv_as != x -a x"$insn" != x ; then |
2483 | echo '' > conftest.s | |
2484 | # ??? This fails with non-gnu grep. | |
2485 | if $gcc_cv_as --gdwarf2 -o conftest.o conftest.s > /dev/null 2>&1 | |
2486 | then | |
2487 | gcc_cv_as_gdwarf2_flag="yes" | |
2488 | fi | |
2489 | rm -f conftest.s conftest.o | |
2490 | fi | |
2491 | if test x"$gcc_cv_as_gdwarf2_flag" = xyes; then | |
2492 | AC_DEFINE(HAVE_AS_GDWARF2_DEBUG_FLAG, 1, | |
2493 | [Define if your assembler supports the --gdwarf2 option.]) | |
2494 | fi | |
2495 | AC_MSG_RESULT($gcc_cv_as_gdwarf2_flag) | |
2496 | ||
2497 | AC_MSG_CHECKING(assembler --gstabs support) | |
2498 | gcc_cv_as_gstabs_flag=no | |
34a86c2b | 2499 | if test $in_tree_gas = yes ; then |
ad9c4d9f NN |
2500 | gcc_GAS_VERSION_GTE_IFELSE(2,11,0,[ |
2501 | if grep 'obj_format = elf' ../gas/Makefile > /dev/null \ | |
2502 | && test x"$insn" != x ; then | |
2503 | gcc_cv_as_gstabs_flag="yes" | |
2504 | fi | |
2505 | ]) | |
5f0e9ea2 GK |
2506 | elif test x$gcc_cv_as != x -a x"$insn" != x ; then |
2507 | echo '' > conftest.s | |
2508 | # ??? This fails with non-gnu grep. | |
2509 | if $gcc_cv_as --gstabs -o conftest.o conftest.s > /dev/null 2>&1 ; then | |
2510 | gcc_cv_as_gstabs_flag="yes" | |
2511 | fi | |
2512 | rm -f conftest.s conftest.o | |
2513 | fi | |
2514 | if test x"$gcc_cv_as_gstabs_flag" = xyes; then | |
2515 | AC_DEFINE(HAVE_AS_GSTABS_DEBUG_FLAG, 1, | |
2516 | [Define if your assembler supports the --gstabs option.]) | |
2517 | fi | |
2518 | AC_MSG_RESULT($gcc_cv_as_gstabs_flag) | |
2519 | ||
96d0f4dc JJ |
2520 | AC_MSG_CHECKING(linker read-only and read-write section mixing) |
2521 | gcc_cv_ld_ro_rw_mix=unknown | |
34a86c2b | 2522 | if test $in_tree_ld = yes ; then |
96d0f4dc JJ |
2523 | if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 10 -o "$gcc_cv_gld_major_version" -gt 2 && grep 'EMUL = elf' ../ld/Makefile > /dev/null; then |
2524 | gcc_cv_ld_ro_rw_mix=read-write | |
2525 | fi | |
2526 | elif test x$gcc_cv_as != x -a x$gcc_cv_ld != x -a x$gcc_cv_objdump != x ; then | |
2527 | echo '.section "myfoosect", "a"' > conftest1.s | |
2528 | echo '.section "myfoosect", "aw"' > conftest2.s | |
2529 | echo '.byte 1' >> conftest2.s | |
2530 | echo '.section "myfoosect", "a"' > conftest3.s | |
2531 | echo '.byte 0' >> conftest3.s | |
6cd656d0 KC |
2532 | if $gcc_cv_as -o conftest1.o conftest1.s > /dev/null 2>&1 \ |
2533 | && $gcc_cv_as -o conftest2.o conftest2.s > /dev/null 2>&1 \ | |
2534 | && $gcc_cv_as -o conftest3.o conftest3.s > /dev/null 2>&1 \ | |
96d0f4dc JJ |
2535 | && $gcc_cv_ld -shared -o conftest1.so conftest1.o \ |
2536 | conftest2.o conftest3.o; then | |
2537 | gcc_cv_ld_ro_rw_mix=`$gcc_cv_objdump -h conftest1.so \ | |
2538 | | grep -A1 myfoosect` | |
2539 | if echo "$gcc_cv_ld_ro_rw_mix" | grep CONTENTS > /dev/null; then | |
2540 | if echo "$gcc_cv_ld_ro_rw_mix" | grep READONLY > /dev/null; then | |
2541 | gcc_cv_ld_ro_rw_mix=read-only | |
2542 | else | |
2543 | gcc_cv_ld_ro_rw_mix=read-write | |
2544 | fi | |
2545 | fi | |
2546 | fi | |
2547 | changequote(,)dnl | |
2548 | rm -f conftest.* conftest[123].* | |
2549 | changequote([,])dnl | |
2550 | fi | |
2551 | if test x$gcc_cv_ld_ro_rw_mix = xread-write; then | |
2552 | AC_DEFINE(HAVE_LD_RO_RW_SECTION_MIXING, 1, | |
2553 | [Define if your linker links a mix of read-only | |
2554 | and read-write sections into a read-write section.]) | |
2555 | fi | |
2556 | AC_MSG_RESULT($gcc_cv_ld_ro_rw_mix) | |
2557 | ||
275b60d6 JJ |
2558 | AC_MSG_CHECKING(linker PT_GNU_EH_FRAME support) |
2559 | gcc_cv_ld_eh_frame_hdr=no | |
34a86c2b | 2560 | if test $in_tree_ld = yes ; then |
275b60d6 JJ |
2561 | if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 12 -o "$gcc_cv_gld_major_version" -gt 2 && grep 'EMUL = elf' ../ld/Makefile > /dev/null; then |
2562 | gcc_cv_ld_eh_frame_hdr=yes | |
2563 | fi | |
2564 | elif test x$gcc_cv_ld != x; then | |
2565 | # Check if linker supports --eh-frame-hdr option | |
2566 | if $gcc_cv_ld --help 2>/dev/null | grep eh-frame-hdr > /dev/null; then | |
2567 | gcc_cv_ld_eh_frame_hdr=yes | |
2568 | fi | |
2569 | fi | |
2570 | if test x"$gcc_cv_ld_eh_frame_hdr" = xyes; then | |
2571 | AC_DEFINE(HAVE_LD_EH_FRAME_HDR, 1, | |
2572 | [Define if your linker supports --eh-frame-hdr option.]) | |
2573 | fi | |
2574 | AC_MSG_RESULT($gcc_cv_ld_eh_frame_hdr) | |
2575 | ||
4357a6c3 CD |
2576 | # Miscellaneous target-specific checks. |
2577 | case "$target" in | |
2578 | mips*-*-*) | |
2579 | AC_MSG_CHECKING(whether libgloss uses STARTUP directives consistently) | |
2580 | gcc_cv_mips_libgloss_startup=no | |
2581 | gcc_cv_libgloss_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/libgloss | |
2582 | if test "x$exec_prefix" = xNONE; then | |
2583 | if test "x$prefix" = xNONE; then | |
2584 | test_prefix=/usr/local | |
2585 | else | |
2586 | test_prefix=$prefix | |
2587 | fi | |
2588 | else | |
2589 | test_prefix=$exec_prefix | |
2590 | fi | |
2591 | for f in $gcc_cv_libgloss_srcdir/mips/idt.ld $test_prefix/$target_alias/lib/idt.ld | |
2592 | do | |
2593 | if grep '^STARTUP' $f > /dev/null 2>&1; then | |
2594 | gcc_cv_mips_libgloss_startup=yes | |
2595 | break | |
2596 | fi | |
2597 | done | |
2598 | if test x"$gcc_cv_mips_libgloss_startup" = xyes; then | |
2599 | AC_DEFINE(HAVE_MIPS_LIBGLOSS_STARTUP_DIRECTIVES, 1, | |
2600 | [Define if your MIPS libgloss linker scripts consistently include STARTUP directives.]) | |
2601 | fi | |
2602 | AC_MSG_RESULT($gcc_cv_mips_libgloss_startup) | |
cafe096b EC |
2603 | |
2604 | AC_MSG_CHECKING(whether the assembler has explicit relocation support) | |
2605 | if test x$gcc_cv_mips_explicit_relocs = x; then | |
2606 | gcc_cv_mips_explicit_relocs=no | |
2607 | if test x$gcc_cv_as != x; then | |
2608 | echo ' lw $4,%gp_rel(foo)($4)' > conftest.s | |
2609 | if $gcc_cv_as conftest.s -o conftest.o > /dev/null 2>&1; then | |
2610 | gcc_cv_mips_explicit_relocs=yes | |
2611 | fi | |
2612 | rm -f conftest.s conftest.o | |
2613 | fi | |
2614 | fi | |
2615 | if test $gcc_cv_mips_explicit_relocs = yes; then | |
2616 | test x$target_cpu_default != x || target_cpu_default=0 | |
2617 | target_cpu_default="(${target_cpu_default}|MASK_EXPLICIT_RELOCS)" | |
2618 | fi | |
2619 | AC_MSG_RESULT($gcc_cv_mips_explicit_relocs) | |
4357a6c3 CD |
2620 | ;; |
2621 | esac | |
2622 | ||
9fb28a67 | 2623 | if test x$with_sysroot = x && test x$host = x$target \ |
047d636f | 2624 | && test "$prefix" != "/usr" && test "x$prefix" != "x$local_prefix" ; then |
793e9558 PB |
2625 | AC_DEFINE_UNQUOTED(PREFIX_INCLUDE_DIR, "$prefix/include") |
2626 | fi | |
2627 | ||
571a8de5 | 2628 | # Figure out what language subdirectories are present. |
71205e0b MH |
2629 | # Look if the user specified --enable-languages="..."; if not, use |
2630 | # the environment variable $LANGUAGES if defined. $LANGUAGES might | |
2631 | # go away some day. | |
cc9a08e0 | 2632 | # NB: embedded tabs in this IF block -- do not untabify |
71205e0b MH |
2633 | if test x"${enable_languages+set}" != xset; then |
2634 | if test x"${LANGUAGES+set}" = xset; then | |
cc9a08e0 PE |
2635 | enable_languages="${LANGUAGES}" |
2636 | AC_MSG_WARN([setting LANGUAGES is deprecated, use --enable-languages instead]) | |
2637 | ||
71205e0b MH |
2638 | else |
2639 | enable_languages=all | |
2640 | fi | |
d6c6b553 | 2641 | else |
015089dd TJ |
2642 | if test x"${enable_languages}" = x \ |
2643 | || test x"${enable_languages}" = xyes; | |
cc9a08e0 PE |
2644 | then |
2645 | AC_MSG_ERROR([--enable-languages needs at least one language argument]) | |
d6c6b553 | 2646 | fi |
71205e0b | 2647 | fi |
cc9a08e0 | 2648 | enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'` |
75382c6d TT |
2649 | |
2650 | # First scan to see if an enabled language requires some other language. | |
2651 | # We assume that a given config-lang.in will list all the language | |
2652 | # front ends it requires, even if some are required indirectly. | |
2653 | for lang in ${srcdir}/*/config-lang.in .. | |
2654 | do | |
2655 | case $lang in | |
2656 | ..) | |
2657 | ;; | |
2658 | # The odd quoting in the next line works around | |
2659 | # an apparent bug in bash 1.12 on linux. | |
2660 | changequote(,)dnl | |
2661 | ${srcdir}/[*]/config-lang.in) | |
2662 | ;; | |
2663 | *) | |
2664 | lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang` | |
2665 | this_lang_requires=`sed -n -e 's,^lang_requires=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^lang_requires=\([^ ]*\).*$,\1,p' $lang` | |
2666 | for other in $this_lang_requires | |
2667 | do | |
2668 | case ,${enable_languages}, in | |
2669 | *,$other,*) | |
2670 | ;; | |
2671 | *,all,*) | |
2672 | ;; | |
1bf17cc4 | 2673 | *,$lang_alias,*) |
75382c6d TT |
2674 | enable_languages="$enable_languages,$other" |
2675 | ;; | |
2676 | esac | |
2677 | done | |
2678 | ;; | |
2679 | changequote([,])dnl | |
2680 | esac | |
2681 | done | |
2682 | ||
015089dd TJ |
2683 | expected_languages=`echo ,${enable_languages}, | sed -e 's:,: :g' -e 's: *: :g' -e 's: *: :g' -e 's:^ ::' -e 's: $::'` |
2684 | found_languages= | |
571a8de5 DE |
2685 | subdirs= |
2686 | for lang in ${srcdir}/*/config-lang.in .. | |
2687 | do | |
2688 | case $lang in | |
2689 | ..) ;; | |
2690 | # The odd quoting in the next line works around | |
2691 | # an apparent bug in bash 1.12 on linux. | |
75bffa71 ILT |
2692 | changequote(,)dnl |
2693 | ${srcdir}/[*]/config-lang.in) ;; | |
71205e0b MH |
2694 | *) |
2695 | lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang` | |
2b60b2cb AO |
2696 | this_lang_libs=`sed -n -e 's,^target_libs=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^target_libs=\([^ ]*\).*$,\1,p' $lang` |
2697 | build_by_default=`sed -n -e 's,^build_by_default=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^build_by_default=\([^ ]*\).*$,\1,p' $lang` | |
71205e0b MH |
2698 | if test "x$lang_alias" = x |
2699 | then | |
2700 | echo "$lang doesn't set \$language." 1>&2 | |
2701 | exit 1 | |
2702 | fi | |
2b60b2cb AO |
2703 | case ${build_by_default},${enable_languages}, in |
2704 | *,$lang_alias,*) add_this_lang=yes ;; | |
2705 | no,*) add_this_lang=no ;; | |
2706 | *,all,*) add_this_lang=yes ;; | |
2707 | *) add_this_lang=no ;; | |
2708 | esac | |
015089dd | 2709 | found_languages="${found_languages} ${lang_alias}" |
71205e0b MH |
2710 | if test x"${add_this_lang}" = xyes; then |
2711 | case $lang in | |
2712 | ${srcdir}/ada/config-lang.in) | |
1ffc5c6e | 2713 | if test x$have_gnat = xyes ; then |
71205e0b MH |
2714 | subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`" |
2715 | fi | |
2716 | ;; | |
2717 | *) | |
2718 | subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`" | |
2719 | ;; | |
2720 | esac | |
2721 | fi | |
2722 | ;; | |
75bffa71 | 2723 | changequote([,])dnl |
571a8de5 DE |
2724 | esac |
2725 | done | |
2726 | ||
015089dd TJ |
2727 | missing_languages= |
2728 | for expected_language in ${expected_languages} .. | |
2729 | do | |
2730 | if test "${expected_language}" != ..; then | |
2731 | missing_language="${expected_language}" | |
2732 | if test "${expected_language}" = "c" \ | |
2733 | || test "${expected_language}" = "all"; then | |
2734 | missing_language= | |
2735 | fi | |
2736 | for found_language in ${found_languages} .. | |
2737 | do | |
2738 | if test "${found_language}" != ..; then | |
2739 | if test "${expected_language}" = "${found_language}"; then | |
2740 | missing_language= | |
2741 | fi | |
2742 | fi | |
2743 | done | |
2744 | if test "x${missing_language}" != x; then | |
2745 | missing_languages="${missing_languages} ${missing_language}" | |
2746 | fi | |
2747 | fi | |
2748 | done | |
2749 | ||
2750 | if test "x$missing_languages" != x; then | |
2751 | AC_MSG_ERROR([ | |
2752 | The following requested languages were not found:${missing_languages} | |
2753 | The following languages were available: c${found_languages}]) | |
02ef40d9 TJ |
2754 | fi |
2755 | ||
f24af81b TT |
2756 | # Make gthr-default.h if we have a thread file. |
2757 | gthread_flags= | |
75bffa71 | 2758 | if test $thread_file != single; then |
f24af81b | 2759 | rm -f gthr-default.h |
db0d1ed9 | 2760 | echo "#include \"gthr-${thread_file}.h\"" > gthr-default.h |
f24af81b TT |
2761 | gthread_flags=-DHAVE_GTHR_DEFAULT |
2762 | fi | |
2763 | AC_SUBST(gthread_flags) | |
2764 | ||
81bf3d9e RH |
2765 | # Find out what GC implementation we want, or may, use. |
2766 | AC_ARG_WITH(gc, | |
e8bec136 RO |
2767 | [ --with-gc={simple,page} choose the garbage collection mechanism to use |
2768 | with the compiler], | |
81bf3d9e RH |
2769 | [case "$withval" in |
2770 | simple | page) | |
2771 | GGC=ggc-$withval | |
2772 | ;; | |
2773 | *) | |
2774 | AC_MSG_ERROR([$withval is an invalid option to --with-gc]) | |
2775 | ;; | |
2776 | esac], | |
130fadbb | 2777 | [GGC=ggc-page]) |
81bf3d9e RH |
2778 | AC_SUBST(GGC) |
2779 | echo "Using $GGC for garbage collection." | |
2780 | ||
3c809ba4 | 2781 | # Use the system's zlib library. |
b8dad04b ZW |
2782 | zlibdir=-L../zlib |
2783 | zlibinc="-I\$(srcdir)/../zlib" | |
3c809ba4 AG |
2784 | AC_ARG_WITH(system-zlib, |
2785 | [ --with-system-zlib use installed libz], | |
2786 | zlibdir= | |
2787 | zlibinc= | |
2788 | ) | |
2789 | AC_SUBST(zlibdir) | |
2790 | AC_SUBST(zlibinc) | |
2791 | ||
dc6746e7 PT |
2792 | dnl Very limited version of automake's enable-maintainer-mode |
2793 | ||
2794 | AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) | |
2795 | dnl maintainer-mode is disabled by default | |
2796 | AC_ARG_ENABLE(maintainer-mode, | |
e8bec136 RO |
2797 | [ --enable-maintainer-mode |
2798 | enable make rules and dependencies not useful | |
dc6746e7 PT |
2799 | (and sometimes confusing) to the casual installer], |
2800 | maintainer_mode=$enableval, | |
2801 | maintainer_mode=no) | |
2802 | ||
2803 | AC_MSG_RESULT($maintainer_mode) | |
2804 | ||
2805 | if test "$maintainer_mode" = "yes"; then | |
2806 | MAINT='' | |
2807 | else | |
2808 | MAINT='#' | |
2809 | fi | |
2810 | AC_SUBST(MAINT)dnl | |
2811 | ||
571a8de5 DE |
2812 | # Make empty files to contain the specs and options for each language. |
2813 | # Then add #include lines to for a compiler that has specs and/or options. | |
2814 | ||
2815 | lang_specs_files= | |
2816 | lang_options_files= | |
3103b7db | 2817 | lang_tree_files= |
571a8de5 DE |
2818 | for subdir in . $subdirs |
2819 | do | |
75bffa71 | 2820 | if test -f $srcdir/$subdir/lang-specs.h; then |
0d24f4d1 | 2821 | lang_specs_files="$lang_specs_files $srcdir/$subdir/lang-specs.h" |
571a8de5 | 2822 | fi |
75bffa71 | 2823 | if test -f $srcdir/$subdir/lang-options.h; then |
0d24f4d1 | 2824 | lang_options_files="$lang_options_files $srcdir/$subdir/lang-options.h" |
571a8de5 | 2825 | fi |
3103b7db | 2826 | if test -f $srcdir/$subdir/$subdir-tree.def; then |
0d24f4d1 | 2827 | lang_tree_files="$lang_tree_files $srcdir/$subdir/$subdir-tree.def" |
3103b7db | 2828 | fi |
571a8de5 DE |
2829 | done |
2830 | ||
2831 | # These (without "all_") are set in each config-lang.in. | |
2832 | # `language' must be a single word so is spelled singularly. | |
2833 | all_languages= | |
2834 | all_boot_languages= | |
2835 | all_compilers= | |
2836 | all_stagestuff= | |
e34a3d31 | 2837 | all_outputs='Makefile intl/Makefile fixinc/Makefile gccbug mklibgcc mkheaders' |
571a8de5 DE |
2838 | # List of language makefile fragments. |
2839 | all_lang_makefiles= | |
e2500fed | 2840 | # Files for gengtype |
ef69da62 | 2841 | all_gtfiles="$target_gtfiles" |
8ac9d31f TJ |
2842 | # Files for gengtype with language |
2843 | all_gtfiles_files_langs= | |
2844 | all_gtfiles_files_files= | |
571a8de5 DE |
2845 | |
2846 | # Add the language fragments. | |
2847 | # Languages are added via two mechanisms. Some information must be | |
2848 | # recorded in makefile variables, these are defined in config-lang.in. | |
2849 | # We accumulate them and plug them into the main Makefile. | |
2850 | # The other mechanism is a set of hooks for each of the main targets | |
2851 | # like `clean', `install', etc. | |
2852 | ||
2853 | language_fragments="Make-lang" | |
2854 | language_hooks="Make-hooks" | |
2855 | ||
2856 | for s in .. $subdirs | |
2857 | do | |
75bffa71 | 2858 | if test $s != ".." |
571a8de5 DE |
2859 | then |
2860 | language= | |
2861 | boot_language= | |
2862 | compilers= | |
2863 | stagestuff= | |
0280cf84 | 2864 | outputs= |
e2500fed | 2865 | gtfiles= |
571a8de5 | 2866 | . ${srcdir}/$s/config-lang.in |
75bffa71 | 2867 | if test "x$language" = x |
571a8de5 DE |
2868 | then |
2869 | echo "${srcdir}/$s/config-lang.in doesn't set \$language." 1>&2 | |
2870 | exit 1 | |
2871 | fi | |
72aaffbd ZW |
2872 | all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Make-lang.in" |
2873 | if test -f ${srcdir}/$s/Makefile.in | |
2874 | then all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Makefile.in" | |
2875 | fi | |
571a8de5 | 2876 | all_languages="$all_languages $language" |
75bffa71 | 2877 | if test "x$boot_language" = xyes |
571a8de5 DE |
2878 | then |
2879 | all_boot_languages="$all_boot_languages $language" | |
2880 | fi | |
2881 | all_compilers="$all_compilers $compilers" | |
2882 | all_stagestuff="$all_stagestuff $stagestuff" | |
0280cf84 | 2883 | all_outputs="$all_outputs $outputs" |
e2500fed | 2884 | all_gtfiles="$all_gtfiles $gtfiles" |
8ac9d31f TJ |
2885 | for f in .. $gtfiles |
2886 | do | |
2887 | if test $f != ".." | |
2888 | then | |
2889 | all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} " | |
2890 | all_gtfiles_files_files="$all_gtfiles_files_files ${f} " | |
2891 | fi | |
2892 | done | |
571a8de5 DE |
2893 | fi |
2894 | done | |
2895 | ||
8ac9d31f TJ |
2896 | # Pick up gtfiles for c |
2897 | gtfiles= | |
2898 | s="c" | |
2899 | . ${srcdir}/c-config-lang.in | |
2900 | all_gtfiles="$all_gtfiles $gtfiles" | |
2901 | for f in .. $gtfiles | |
2902 | do | |
2903 | if test $f != ".." | |
2904 | then | |
2905 | all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} " | |
2906 | all_gtfiles_files_files="$all_gtfiles_files_files ${f} " | |
2907 | fi | |
2908 | done | |
2909 | ||
cbc59f01 DD |
2910 | check_languages= |
2911 | for language in .. $all_languages | |
2912 | do | |
2913 | if test $language != ".." | |
2914 | then | |
2915 | check_languages="$check_languages check-$language" | |
2916 | fi | |
2917 | done | |
2918 | ||
571a8de5 DE |
2919 | # Since we can't use `::' targets, we link each language in |
2920 | # with a set of hooks, reached indirectly via lang.${target}. | |
2921 | ||
2922 | rm -f Make-hooks | |
2923 | touch Make-hooks | |
65ebbf81 | 2924 | target_list="all.build all.cross start.encap rest.encap tags \ |
d3945f0a | 2925 | info dvi generated-manpages \ |
571a8de5 | 2926 | install-normal install-common install-info install-man \ |
436a88a6 | 2927 | uninstall \ |
571a8de5 DE |
2928 | mostlyclean clean distclean extraclean maintainer-clean \ |
2929 | stage1 stage2 stage3 stage4" | |
2930 | for t in $target_list | |
2931 | do | |
2932 | x= | |
ab87f8c8 | 2933 | for lang in .. $all_languages |
571a8de5 | 2934 | do |
ab87f8c8 JL |
2935 | if test $lang != ".."; then |
2936 | x="$x $lang.$t" | |
571a8de5 DE |
2937 | fi |
2938 | done | |
2939 | echo "lang.$t: $x" >> Make-hooks | |
2940 | done | |
2941 | ||
cc06d68c | 2942 | # Create .gdbinit. |
296e46bd | 2943 | |
cc06d68c GP |
2944 | echo "dir ." > .gdbinit |
2945 | echo "dir ${srcdir}" >> .gdbinit | |
2946 | if test x$gdb_needs_out_file_path = xyes | |
2947 | then | |
2948 | echo "dir ${srcdir}/config/"`dirname ${out_file}` >> .gdbinit | |
2949 | fi | |
2950 | if test "x$subdirs" != x; then | |
2951 | for s in $subdirs | |
2952 | do | |
2953 | echo "dir ${srcdir}/$s" >> .gdbinit | |
2954 | done | |
296e46bd | 2955 | fi |
cc06d68c | 2956 | echo "source ${srcdir}/gdbinit.in" >> .gdbinit |
296e46bd | 2957 | |
8f8d3278 NC |
2958 | # If $(exec_prefix) exists and is not the same as $(prefix), then compute an |
2959 | # absolute path for gcc_tooldir based on inserting the number of up-directory | |
2960 | # movements required to get from $(exec_prefix) to $(prefix) into the basic | |
2961 | # $(libsubdir)/@(unlibsubdir) based path. | |
82cbf8f7 JL |
2962 | # Don't set gcc_tooldir to tooldir since that's only passed in by the toplevel |
2963 | # make and thus we'd get different behavior depending on where we built the | |
2964 | # sources. | |
5949a9fc | 2965 | if test x$exec_prefix = xNONE -o x$exec_prefix = x$prefix; then |
d062c304 JL |
2966 | gcc_tooldir='$(libsubdir)/$(unlibsubdir)/../$(target_alias)' |
2967 | else | |
8f8d3278 NC |
2968 | changequote(<<, >>)dnl |
2969 | # An explanation of the sed strings: | |
2970 | # -e 's|^\$(prefix)||' matches and eliminates 'prefix' from 'exec_prefix' | |
2971 | # -e 's|/$||' match a trailing forward slash and eliminates it | |
2972 | # -e 's|^[^/]|/|' forces the string to start with a forward slash (*) | |
ff7cc307 | 2973 | # -e 's|/[^/]*|../|g' replaces each occurrence of /<directory> with ../ |
8f8d3278 NC |
2974 | # |
2975 | # (*) Note this pattern overwrites the first character of the string | |
2976 | # with a forward slash if one is not already present. This is not a | |
2977 | # problem because the exact names of the sub-directories concerned is | |
2978 | # unimportant, just the number of them matters. | |
2979 | # | |
2980 | # The practical upshot of these patterns is like this: | |
2981 | # | |
2982 | # prefix exec_prefix result | |
2983 | # ------ ----------- ------ | |
2984 | # /foo /foo/bar ../ | |
2985 | # /foo/ /foo/bar ../ | |
2986 | # /foo /foo/bar/ ../ | |
2987 | # /foo/ /foo/bar/ ../ | |
2988 | # /foo /foo/bar/ugg ../../ | |
2989 | # | |
4c112cda NC |
2990 | dollar='$$' |
2991 | gcc_tooldir="\$(libsubdir)/\$(unlibsubdir)/\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/\$(dollar)||' -e 's|^[^/]|/|' -e 's|/[^/]*|../|g'\`\$(target_alias)" | |
8f8d3278 | 2992 | changequote([, ])dnl |
d062c304 JL |
2993 | fi |
2994 | AC_SUBST(gcc_tooldir) | |
4c112cda | 2995 | AC_SUBST(dollar) |
d062c304 | 2996 | |
2bbea3a6 RH |
2997 | # Find a directory in which to install a shared libgcc. |
2998 | ||
2999 | AC_ARG_ENABLE(version-specific-runtime-libs, | |
e8bec136 RO |
3000 | [ --enable-version-specific-runtime-libs |
3001 | specify that runtime libraries should be | |
3002 | installed in a compiler-specific directory]) | |
2bbea3a6 | 3003 | |
5b15f277 RH |
3004 | AC_ARG_WITH(slibdir, |
3005 | [ --with-slibdir=DIR shared libraries in DIR [LIBDIR]], | |
3006 | slibdir="$with_slibdir", | |
3007 | if test "${enable_version_specific_runtime_libs+set}" = set; then | |
2bbea3a6 | 3008 | slibdir='$(libsubdir)' |
5b15f277 | 3009 | elif test "$host" != "$target"; then |
2bbea3a6 RH |
3010 | slibdir='$(build_tooldir)/lib' |
3011 | else | |
5b15f277 RH |
3012 | slibdir='$(libdir)' |
3013 | fi) | |
2bbea3a6 RH |
3014 | AC_SUBST(slibdir) |
3015 | ||
1e6347d8 | 3016 | objdir=`${PWDCMD-pwd}` |
7e717196 JL |
3017 | AC_SUBST(objdir) |
3018 | ||
94f42018 DE |
3019 | # Process the language and host/target makefile fragments. |
3020 | ${CONFIG_SHELL-/bin/sh} $srcdir/configure.frag $srcdir "$subdirs" "$dep_host_xmake_file" "$dep_tmake_file" | |
47866ac0 | 3021 | |
46f18e7b RK |
3022 | # Substitute configuration variables |
3023 | AC_SUBST(subdirs) | |
8ac9d31f | 3024 | AC_SUBST(srcdir) |
46f18e7b RK |
3025 | AC_SUBST(all_boot_languages) |
3026 | AC_SUBST(all_compilers) | |
e2500fed | 3027 | AC_SUBST(all_gtfiles) |
8ac9d31f TJ |
3028 | AC_SUBST(all_gtfiles_files_langs) |
3029 | AC_SUBST(all_gtfiles_files_files) | |
9f3d1bc2 BK |
3030 | AC_SUBST(all_lang_makefiles) |
3031 | AC_SUBST(all_languages) | |
9f3d1bc2 BK |
3032 | AC_SUBST(all_stagestuff) |
3033 | AC_SUBST(build_exeext) | |
3034 | AC_SUBST(build_install_headers_dir) | |
3035 | AC_SUBST(build_xm_file_list) | |
11642c3a ZW |
3036 | AC_SUBST(build_xm_file) |
3037 | AC_SUBST(build_xm_defines) | |
cbc59f01 | 3038 | AC_SUBST(check_languages) |
9f3d1bc2 | 3039 | AC_SUBST(cc_set_by_configure) |
5aa82ace | 3040 | AC_SUBST(quoted_cc_set_by_configure) |
9f3d1bc2 | 3041 | AC_SUBST(cpp_install_dir) |
9f3d1bc2 BK |
3042 | AC_SUBST(dep_host_xmake_file) |
3043 | AC_SUBST(dep_tmake_file) | |
9f3d1bc2 | 3044 | AC_SUBST(extra_headers_list) |
46f18e7b | 3045 | AC_SUBST(extra_objs) |
9f3d1bc2 BK |
3046 | AC_SUBST(extra_parts) |
3047 | AC_SUBST(extra_passes) | |
3048 | AC_SUBST(extra_programs) | |
9f3d1bc2 | 3049 | AC_SUBST(float_h_file) |
cc1e60ea | 3050 | AC_SUBST(gcc_config_arguments) |
9f3d1bc2 | 3051 | AC_SUBST(gcc_gxx_include_dir) |
e2187d3b | 3052 | AC_SUBST(libstdcxx_incdir) |
9f3d1bc2 | 3053 | AC_SUBST(gcc_version) |
8763704d | 3054 | AC_SUBST(gcc_version_full) |
9f3d1bc2 BK |
3055 | AC_SUBST(gcc_version_trigger) |
3056 | AC_SUBST(host_exeext) | |
46f18e7b | 3057 | AC_SUBST(host_extra_gcc_objs) |
46f18e7b | 3058 | AC_SUBST(host_xm_file_list) |
11642c3a ZW |
3059 | AC_SUBST(host_xm_file) |
3060 | AC_SUBST(host_xm_defines) | |
476d9098 | 3061 | AC_SUBST(out_host_hook_obj) |
9f3d1bc2 | 3062 | AC_SUBST(install) |
46f18e7b | 3063 | AC_SUBST(lang_options_files) |
9f3d1bc2 | 3064 | AC_SUBST(lang_specs_files) |
3103b7db | 3065 | AC_SUBST(lang_tree_files) |
46f18e7b | 3066 | AC_SUBST(local_prefix) |
9f3d1bc2 BK |
3067 | AC_SUBST(md_file) |
3068 | AC_SUBST(objc_boehm_gc) | |
3069 | AC_SUBST(out_file) | |
3070 | AC_SUBST(out_object_file) | |
46f18e7b | 3071 | AC_SUBST(stage_prefix_set_by_configure) |
596151e1 | 3072 | AC_SUBST(quoted_stage_prefix_set_by_configure) |
e9a25f70 | 3073 | AC_SUBST(symbolic_link) |
9f3d1bc2 BK |
3074 | AC_SUBST(thread_file) |
3075 | AC_SUBST(tm_file_list) | |
11642c3a | 3076 | AC_SUBST(tm_file) |
d5355cb2 | 3077 | AC_SUBST(tm_defines) |
11642c3a ZW |
3078 | AC_SUBST(tm_p_file_list) |
3079 | AC_SUBST(tm_p_file) | |
3080 | AC_SUBST(xm_file) | |
3d9d2476 | 3081 | AC_SUBST(xm_defines) |
66fe41af | 3082 | AC_SUBST(target_alias) |
aac69a49 NC |
3083 | AC_SUBST(c_target_objs) |
3084 | AC_SUBST(cxx_target_objs) | |
11642c3a | 3085 | AC_SUBST(target_cpu_default) |
46f18e7b RK |
3086 | |
3087 | AC_SUBST_FILE(target_overrides) | |
3088 | AC_SUBST_FILE(host_overrides) | |
46f18e7b RK |
3089 | AC_SUBST_FILE(language_fragments) |
3090 | AC_SUBST_FILE(language_hooks) | |
3091 | ||
3092 | # Echo that links are built | |
75bffa71 | 3093 | if test x$host = x$target |
46f18e7b RK |
3094 | then |
3095 | str1="native " | |
3096 | else | |
3097 | str1="cross-" | |
3098 | str2=" from $host" | |
3099 | fi | |
3100 | ||
75bffa71 | 3101 | if test x$host != x$build |
46f18e7b RK |
3102 | then |
3103 | str3=" on a $build system" | |
3104 | fi | |
3105 | ||
75bffa71 | 3106 | if test "x$str2" != x || test "x$str3" != x |
46f18e7b RK |
3107 | then |
3108 | str4= | |
3109 | fi | |
3110 | ||
3111 | echo "Links are now set up to build a ${str1}compiler for ${target}$str4" 1>&2 | |
3112 | ||
75bffa71 | 3113 | if test "x$str2" != x || test "x$str3" != x |
46f18e7b RK |
3114 | then |
3115 | echo " ${str2}${str3}." 1>&2 | |
3116 | fi | |
3117 | ||
61536478 | 3118 | # Truncate the target if necessary |
75bffa71 | 3119 | if test x$host_truncate_target != x; then |
61536478 JL |
3120 | target=`echo $target | sed -e 's/\(..............\).*/\1/'` |
3121 | fi | |
3122 | ||
46f18e7b RK |
3123 | # Configure the subdirectories |
3124 | # AC_CONFIG_SUBDIRS($subdirs) | |
3125 | ||
3126 | # Create the Makefile | |
5891b37d | 3127 | # and configure language subdirectories |
0280cf84 | 3128 | AC_OUTPUT($all_outputs, |
cdcc6a01 | 3129 | [ |
cdcc6a01 | 3130 | case x$CONFIG_HEADERS in |
b7cb92ad | 3131 | xauto-host.h:config.in) |
818b66cc | 3132 | echo > cstamp-h ;; |
cdcc6a01 | 3133 | esac |
93cf819d BK |
3134 | # If the host supports symlinks, point stage[1234] at ../stage[1234] so |
3135 | # bootstrapping and the installation procedure can still use | |
3136 | # CC="stage1/xgcc -Bstage1/". If the host doesn't support symlinks, | |
3137 | # FLAGS_TO_PASS has been modified to solve the problem there. | |
3138 | # This is virtually a duplicate of what happens in configure.lang; we do | |
3139 | # an extra check to make sure this only happens if ln -s can be used. | |
75bffa71 | 3140 | if test "$symbolic_link" = "ln -s"; then |
d8140df6 | 3141 | for d in .. ${subdirs} fixinc ; do |
75bffa71 | 3142 | if test $d != ..; then |
1e6347d8 | 3143 | STARTDIR=`${PWDCMD-pwd}` |
4e8a434e BK |
3144 | cd $d |
3145 | for t in stage1 stage2 stage3 stage4 include | |
3146 | do | |
3147 | rm -f $t | |
3148 | $symbolic_link ../$t $t 2>/dev/null | |
3149 | done | |
3150 | cd $STARTDIR | |
93cf819d BK |
3151 | fi |
3152 | done | |
3153 | else true ; fi | |
ab87f8c8 JL |
3154 | # Avoid having to add intl to our include paths. |
3155 | if test -f intl/libintl.h; then | |
3156 | echo creating libintl.h | |
3157 | echo '#include "intl/libintl.h"' >libintl.h | |
3158 | fi | |
0d24f4d1 ZW |
3159 | ], |
3160 | [subdirs='$subdirs' | |
3161 | symbolic_link='$symbolic_link' | |
cdcc6a01 | 3162 | ]) |