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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 RK |
23 | |
24 | # Initialization and defaults | |
890ad3ea | 25 | AC_PREREQ(2.13) |
46f18e7b | 26 | AC_INIT(tree.c) |
b7cb92ad | 27 | AC_CONFIG_HEADER(auto-host.h:config.in) |
cdcc6a01 | 28 | |
46f18e7b RK |
29 | remove=rm |
30 | hard_link=ln | |
31 | symbolic_link='ln -s' | |
32 | copy=cp | |
33 | ||
75a39864 JL |
34 | # Check for bogus environment variables. |
35 | # Test if LIBRARY_PATH contains the notation for the current directory | |
36 | # since this would lead to problems installing/building glibc. | |
37 | # LIBRARY_PATH contains the current directory if one of the following | |
38 | # is true: | |
39 | # - one of the terminals (":" and ";") is the first or last sign | |
40 | # - two terminals occur directly after each other | |
41 | # - the path contains an element with a dot in it | |
42 | AC_MSG_CHECKING(LIBRARY_PATH variable) | |
43 | changequote(,)dnl | |
44 | case ${LIBRARY_PATH} in | |
45 | [:\;]* | *[:\;] | *[:\;][:\;]* | *[:\;]. | .[:\;]*| . | *[:\;].[:\;]* ) | |
46 | library_path_setting="contains current directory" | |
47 | ;; | |
48 | *) | |
49 | library_path_setting="ok" | |
50 | ;; | |
51 | esac | |
52 | changequote([,])dnl | |
53 | AC_MSG_RESULT($library_path_setting) | |
54 | if test "$library_path_setting" != "ok"; then | |
55 | AC_MSG_ERROR([ | |
56 | *** LIBRARY_PATH shouldn't contain the current directory when | |
079bd08e | 57 | *** building gcc. Please change the environment variable |
75a39864 JL |
58 | *** and run configure again.]) |
59 | fi | |
60 | ||
61 | # Test if GCC_EXEC_PREFIX contains the notation for the current directory | |
62 | # since this would lead to problems installing/building glibc. | |
63 | # GCC_EXEC_PREFIX contains the current directory if one of the following | |
64 | # is true: | |
65 | # - one of the terminals (":" and ";") is the first or last sign | |
66 | # - two terminals occur directly after each other | |
67 | # - the path contains an element with a dot in it | |
68 | AC_MSG_CHECKING(GCC_EXEC_PREFIX variable) | |
69 | changequote(,)dnl | |
70 | case ${GCC_EXEC_PREFIX} in | |
71 | [:\;]* | *[:\;] | *[:\;][:\;]* | *[:\;]. | .[:\;]*| . | *[:\;].[:\;]* ) | |
72 | gcc_exec_prefix_setting="contains current directory" | |
73 | ;; | |
74 | *) | |
75 | gcc_exec_prefix_setting="ok" | |
76 | ;; | |
77 | esac | |
78 | changequote([,])dnl | |
79 | AC_MSG_RESULT($gcc_exec_prefix_setting) | |
80 | if test "$gcc_exec_prefix_setting" != "ok"; then | |
81 | AC_MSG_ERROR([ | |
82 | *** GCC_EXEC_PREFIX shouldn't contain the current directory when | |
079bd08e | 83 | *** building gcc. Please change the environment variable |
75a39864 JL |
84 | *** and run configure again.]) |
85 | fi | |
86 | ||
46f18e7b RK |
87 | # Check for additional parameters |
88 | ||
89 | # With GNU ld | |
90 | AC_ARG_WITH(gnu-ld, | |
91 | [ --with-gnu-ld arrange to work with GNU ld.], | |
df6faf79 JW |
92 | gnu_ld_flag="$with_gnu_ld", |
93 | gnu_ld_flag=no) | |
46f18e7b | 94 | |
ab339d62 AO |
95 | # With pre-defined ld |
96 | AC_ARG_WITH(ld, | |
e8bec136 | 97 | [ --with-ld arrange to use the specified ld (full pathname)], |
3ccc3a56 AO |
98 | DEFAULT_LINKER="$with_ld") |
99 | if test x"${DEFAULT_LINKER+set}" = x"set"; then | |
100 | if test ! -x "$DEFAULT_LINKER"; then | |
101 | AC_MSG_WARN([cannot execute: $DEFAULT_LINKER: check --with-ld or env. var. DEFAULT_LINKER]) | |
e154a394 | 102 | elif $DEFAULT_LINKER -v < /dev/null 2>&1 | grep GNU > /dev/null; then |
ab339d62 AO |
103 | gnu_ld_flag=yes |
104 | fi | |
119d24d1 KG |
105 | AC_DEFINE_UNQUOTED(DEFAULT_LINKER,"$DEFAULT_LINKER", |
106 | [Define to enable the use of a default linker.]) | |
ab339d62 AO |
107 | fi |
108 | ||
46f18e7b RK |
109 | # With GNU as |
110 | AC_ARG_WITH(gnu-as, | |
e8bec136 | 111 | [ --with-gnu-as arrange to work with GNU as], |
df6faf79 JW |
112 | gas_flag="$with_gnu_as", |
113 | gas_flag=no) | |
46f18e7b | 114 | |
ab339d62 | 115 | AC_ARG_WITH(as, |
e8bec136 | 116 | [ --with-as arrange to use the specified as (full pathname)], |
3ccc3a56 AO |
117 | DEFAULT_ASSEMBLER="$with_as") |
118 | if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then | |
119 | if test ! -x "$DEFAULT_ASSEMBLER"; then | |
120 | AC_MSG_WARN([cannot execute: $DEFAULT_ASSEMBLER: check --with-as or env. var. DEFAULT_ASSEMBLER]) | |
e154a394 | 121 | elif $DEFAULT_ASSEMBLER -v < /dev/null 2>&1 | grep GNU > /dev/null; then |
ab339d62 AO |
122 | gas_flag=yes |
123 | fi | |
119d24d1 KG |
124 | AC_DEFINE_UNQUOTED(DEFAULT_ASSEMBLER,"$DEFAULT_ASSEMBLER", |
125 | [Define to enable the use of a default assembler.]) | |
3ccc3a56 | 126 | fi |
ab339d62 | 127 | |
46f18e7b RK |
128 | # With stabs |
129 | AC_ARG_WITH(stabs, | |
e8bec136 | 130 | [ --with-stabs arrange to use stabs instead of host debug format], |
535b86ce | 131 | stabs="$with_stabs", |
46f18e7b RK |
132 | stabs=no) |
133 | ||
134 | # With ELF | |
135 | AC_ARG_WITH(elf, | |
e8bec136 | 136 | [ --with-elf arrange to use ELF instead of host debug format], |
535b86ce | 137 | elf="$with_elf", |
46f18e7b RK |
138 | elf=no) |
139 | ||
4d8392b7 | 140 | # Specify the local prefix |
4e88d51b | 141 | local_prefix= |
4d8392b7 | 142 | AC_ARG_WITH(local-prefix, |
e8bec136 | 143 | [ --with-local-prefix=DIR specifies directory to put local include], |
4e88d51b JM |
144 | [case "${withval}" in |
145 | yes) AC_MSG_ERROR(bad value ${withval} given for local include directory prefix) ;; | |
146 | no) ;; | |
147 | *) local_prefix=$with_local_prefix ;; | |
148 | esac]) | |
4d8392b7 RK |
149 | |
150 | # Default local prefix if it is empty | |
75bffa71 | 151 | if test x$local_prefix = x; then |
4d8392b7 RK |
152 | local_prefix=/usr/local |
153 | fi | |
154 | ||
8f8d3278 NC |
155 | # Don't set gcc_gxx_include_dir to gxx_include_dir since that's only |
156 | # passed in by the toplevel make and thus we'd get different behavior | |
157 | # depending on where we built the sources. | |
158 | gcc_gxx_include_dir= | |
9514f0d1 RK |
159 | # Specify the g++ header file directory |
160 | AC_ARG_WITH(gxx-include-dir, | |
161 | [ --with-gxx-include-dir=DIR | |
e8bec136 | 162 | specifies directory to put g++ header files], |
4e88d51b JM |
163 | [case "${withval}" in |
164 | yes) AC_MSG_ERROR(bad value ${withval} given for g++ include directory) ;; | |
165 | no) ;; | |
8f8d3278 | 166 | *) gcc_gxx_include_dir=$with_gxx_include_dir ;; |
4e88d51b JM |
167 | esac]) |
168 | ||
8f8d3278 | 169 | if test x${gcc_gxx_include_dir} = x; then |
4e88d51b | 170 | if test x${enable_version_specific_runtime_libs} = xyes; then |
9137b119 | 171 | gcc_gxx_include_dir='${libsubdir}/include/c++' |
4e88d51b | 172 | else |
a270b446 | 173 | topsrcdir=${srcdir}/.. . ${srcdir}/../config.if |
de82584d | 174 | changequote(<<, >>)dnl |
e2187d3b | 175 | gcc_gxx_include_dir="\$(libsubdir)/\$(unlibsubdir)/..\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/[^/]*|/..|g'\`/include/"${libstdcxx_incdir} |
de82584d | 176 | changequote([, ])dnl |
4e88d51b JM |
177 | fi |
178 | fi | |
46f18e7b | 179 | |
13c22933 JJ |
180 | # Determine the host, build, and target systems |
181 | AC_CANONICAL_SYSTEM | |
182 | ||
183 | # Set program_transform_name | |
184 | AC_ARG_PROGRAM | |
185 | ||
414d23ae HPN |
186 | # Find the native compiler |
187 | AC_PROG_CC | |
188 | AC_PROG_CC_C_O | |
189 | # autoconf is lame and doesn't give us any substitution variable for this. | |
190 | if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then | |
191 | NO_MINUS_C_MINUS_O=yes | |
192 | else | |
193 | OUTPUT_OPTION='-o $@' | |
194 | fi | |
195 | AC_SUBST(NO_MINUS_C_MINUS_O) | |
196 | AC_SUBST(OUTPUT_OPTION) | |
197 | ||
198 | # See if GNAT has been installed | |
199 | gcc_AC_PROG_GNAT | |
200 | ||
201 | AC_CACHE_CHECK(whether ${CC-cc} accepts -Wno-long-long, | |
202 | ac_cv_prog_cc_no_long_long, | |
203 | [save_CFLAGS="$CFLAGS" | |
204 | CFLAGS="-Wno-long-long" | |
205 | AC_TRY_COMPILE(,,ac_cv_prog_cc_no_long_long=yes, | |
206 | ac_cv_prog_cc_no_long_long=no) | |
207 | CFLAGS="$save_CFLAGS"]) | |
208 | ||
209 | if test x$have_gnat != xno ; then | |
210 | AC_CACHE_CHECK(whether ${ADAC} accepts -Wno-long-long, | |
211 | ac_cv_prog_adac_no_long_long, | |
212 | [cat >conftest.adb <<EOF | |
213 | procedure conftest is begin null; end conftest; | |
214 | EOF | |
215 | if $ADAC -Wno-long-long -c conftest.adb 1>&5 2>&5 ; then | |
216 | ac_cv_prog_adac_no_long_long=yes | |
217 | else | |
218 | ac_cv_prog_adac_no_long_long=no | |
219 | fi | |
220 | rm -f conftest*]) | |
221 | else | |
222 | ac_cv_prog_adac_no_long_long=yes | |
223 | fi | |
224 | ||
225 | strict1_warn= | |
226 | if test $ac_cv_prog_cc_no_long_long = yes && \ | |
227 | test $ac_cv_prog_adac_no_long_long = yes ; then | |
228 | strict1_warn="-pedantic -Wno-long-long" | |
229 | fi | |
230 | AC_SUBST(strict1_warn) | |
231 | ||
232 | AC_PROG_CPP | |
233 | AC_C_INLINE | |
234 | gcc_AC_C_VOLATILE | |
235 | ||
236 | gcc_AC_C_LONG_DOUBLE | |
237 | gcc_AC_C_LONG_LONG | |
238 | gcc_AC_C__BOOL | |
239 | ||
240 | # sizeof(char) is 1 by definition. | |
4977bab6 ZW |
241 | AC_COMPILE_CHECK_SIZEOF(short) |
242 | AC_COMPILE_CHECK_SIZEOF(int) | |
243 | AC_COMPILE_CHECK_SIZEOF(long) | |
414d23ae | 244 | if test $ac_cv_c_long_long = yes; then |
4977bab6 | 245 | AC_COMPILE_CHECK_SIZEOF(long long) |
414d23ae HPN |
246 | fi |
247 | if test $ac_cv_c___int64 = yes; then | |
4977bab6 | 248 | AC_COMPILE_CHECK_SIZEOF(__int64) |
414d23ae HPN |
249 | fi |
250 | ||
251 | gcc_AC_C_CHARSET | |
252 | ||
253 | # If the native compiler is GCC, we can enable warnings even in stage1. | |
254 | # That's useful for people building cross-compilers, or just running a | |
255 | # quick `make'. | |
256 | warn_cflags= | |
257 | if test "x$GCC" = "xyes"; then | |
258 | warn_cflags='$(GCC_WARN_CFLAGS)' | |
259 | fi | |
260 | AC_SUBST(warn_cflags) | |
261 | ||
39d6f2e8 MM |
262 | # Determine whether or not multilibs are enabled. |
263 | AC_ARG_ENABLE(multilib, | |
e8bec136 | 264 | [ --enable-multilib enable library support for multiple ABIs], |
39d6f2e8 MM |
265 | [], [enable_multilib=yes]) |
266 | AC_SUBST(enable_multilib) | |
267 | ||
dd859b8a KG |
268 | # Enable -Werror in bootstrap stage2 and later. |
269 | # Change the default to "no" on release branches. | |
270 | AC_ARG_ENABLE(werror, | |
271 | [ --enable-werror enable -Werror in bootstrap stage2 and later], [], | |
272 | [enable_werror=yes]) | |
273 | if test x$enable_werror = xyes ; then | |
274 | WERROR=-Werror | |
275 | fi | |
276 | AC_SUBST(WERROR) | |
277 | ||
a494747c MM |
278 | # Enable expensive internal checks |
279 | AC_ARG_ENABLE(checking, | |
f4524c9e ZW |
280 | [ --enable-checking[=LIST] |
281 | enable expensive run-time checks. With LIST, | |
282 | enable only specific categories of checks. | |
4c76f856 JJ |
283 | Categories are: misc,tree,rtl,rtlflag,gc,gcac; |
284 | default is misc,tree,gc,rtlflag], | |
119d24d1 KG |
285 | [ac_checking= |
286 | ac_tree_checking= | |
287 | ac_rtl_checking= | |
4c76f856 | 288 | ac_rtlflag_checking= |
119d24d1 KG |
289 | ac_gc_checking= |
290 | ac_gc_always_collect= | |
291 | case "${enableval}" in | |
4c76f856 JJ |
292 | yes) ac_checking=1 ; ac_tree_checking=1 ; ac_gc_checking=1 ; |
293 | ac_rtlflag_checking=1 ;; | |
4e88d51b | 294 | no) ;; |
59f406b7 | 295 | *) IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS," |
f4524c9e ZW |
296 | set fnord $enableval; shift |
297 | IFS="$ac_save_IFS" | |
c62e45ad KG |
298 | for check |
299 | do | |
f4524c9e | 300 | case $check in |
119d24d1 KG |
301 | misc) ac_checking=1 ;; |
302 | tree) ac_tree_checking=1 ;; | |
4c76f856 | 303 | rtlflag) ac_rtlflag_checking=1 ;; |
119d24d1 KG |
304 | rtl) ac_rtl_checking=1 ;; |
305 | gc) ac_gc_checking=1 ;; | |
306 | gcac) ac_gc_always_collect=1 ;; | |
414d23ae | 307 | valgrind) ac_checking_valgrind=1 ;; |
f4524c9e ZW |
308 | *) AC_MSG_ERROR(unknown check category $check) ;; |
309 | esac | |
310 | done | |
311 | ;; | |
119d24d1 | 312 | esac |
51d0e20c AJ |
313 | ], |
314 | # Enable some checks by default for development versions of GCC | |
4c76f856 | 315 | [ac_checking=1; ac_tree_checking=1; ac_gc_checking=1; ac_rtlflag_checking=1;]) |
204250d2 | 316 | nocommon_flag="" |
119d24d1 KG |
317 | if test x$ac_checking != x ; then |
318 | AC_DEFINE(ENABLE_CHECKING, 1, | |
319 | [Define if you want more run-time sanity checks. This one gets a grab | |
320 | bag of miscellaneous but relatively cheap checks.]) | |
204250d2 | 321 | nocommon_flag=-fno-common |
119d24d1 | 322 | fi |
204250d2 | 323 | AC_SUBST(nocommon_flag) |
119d24d1 KG |
324 | if test x$ac_tree_checking != x ; then |
325 | AC_DEFINE(ENABLE_TREE_CHECKING, 1, | |
326 | [Define if you want all operations on trees (the basic data | |
327 | structure of the front ends) to be checked for dynamic type safety | |
328 | at runtime. This is moderately expensive.]) | |
329 | fi | |
330 | if test x$ac_rtl_checking != x ; then | |
331 | AC_DEFINE(ENABLE_RTL_CHECKING, 1, | |
332 | [Define if you want all operations on RTL (the basic data structure | |
333 | of the optimizer and back end) to be checked for dynamic type safety | |
334 | at runtime. This is quite expensive.]) | |
335 | fi | |
4c76f856 JJ |
336 | if test x$ac_rtlflag_checking != x ; then |
337 | AC_DEFINE(ENABLE_RTL_FLAG_CHECKING, 1, | |
338 | [Define if you want RTL flag accesses to be checked against the RTL | |
339 | codes that are supported for each access macro. This is relatively | |
340 | cheap.]) | |
341 | fi | |
119d24d1 KG |
342 | if test x$ac_gc_checking != x ; then |
343 | AC_DEFINE(ENABLE_GC_CHECKING, 1, | |
344 | [Define if you want the garbage collector to do object poisoning and | |
345 | other memory allocation checks. This is quite expensive.]) | |
346 | fi | |
347 | if test x$ac_gc_always_collect != x ; then | |
348 | AC_DEFINE(ENABLE_GC_ALWAYS_COLLECT, 1, | |
349 | [Define if you want the garbage collector to operate in maximally | |
350 | paranoid mode, validating the entire heap and collecting garbage at | |
351 | every opportunity. This is extremely expensive.]) | |
352 | fi | |
414d23ae HPN |
353 | valgrind_path_defines= |
354 | valgrind_command= | |
355 | if test x$ac_checking_valgrind != x ; then | |
356 | # It is certainly possible that there's valgrind but no valgrind.h. | |
357 | # GCC relies on making annotations so we must have both. | |
358 | AC_CHECK_HEADER(valgrind.h, have_valgrind_h=yes, have_valgrind_h=no) | |
359 | AM_PATH_PROG_WITH_TEST(valgrind_path, valgrind, | |
360 | [$ac_dir/$ac_word --version | grep valgrind- >/dev/null 2>&1]) | |
361 | if test "x$valgrind_path" = "x" || test $have_valgrind_h = no; then | |
362 | AC_MSG_ERROR([*** Can't find both valgrind and valgrind.h]) | |
363 | fi | |
364 | valgrind_path_defines=-DVALGRIND_PATH='\"'$valgrind_path'\"' | |
365 | valgrind_command="$valgrind_path -q" | |
366 | AC_DEFINE(ENABLE_VALGRIND_CHECKING, 1, | |
367 | [Define if you want to run subprograms and generated programs | |
368 | through valgrind (a memory checker). This is extremely expensive.]) | |
369 | fi | |
370 | AC_SUBST(valgrind_path_defines) | |
371 | AC_SUBST(valgrind_command) | |
51d0e20c | 372 | |
22aa533e NS |
373 | # Enable code coverage collection |
374 | AC_ARG_ENABLE(coverage, | |
375 | [ --enable-coverage[=LEVEL] | |
376 | enable compiler\'s code coverage collection. | |
377 | Use to measure compiler performance and locate | |
8601608f | 378 | unused parts of the compiler. With LEVEL, specify |
22aa533e NS |
379 | optimization. Values are opt, noopt, |
380 | default is noopt], | |
381 | [case "${enableval}" in | |
382 | yes|noopt) | |
8601608f | 383 | coverage_flags="-fprofile-arcs -ftest-coverage -O0 -DSELF_COVERAGE=1" |
22aa533e NS |
384 | ;; |
385 | opt) | |
8601608f | 386 | coverage_flags="-fprofile-arcs -ftest-coverage -O2 -DSELF_COVERAGE=2" |
22aa533e NS |
387 | ;; |
388 | *) | |
389 | AC_MSG_ERROR(unknown coverage setting $enableval) | |
390 | ;; | |
391 | esac], | |
2043c38e | 392 | [coverage_flags=""]) |
22aa533e NS |
393 | AC_SUBST(coverage_flags) |
394 | ||
3ecc3258 ZW |
395 | AC_ARG_WITH(cpp_install_dir, |
396 | [ --with-cpp-install-dir=DIR | |
397 | install the user visible C preprocessor in DIR | |
e8bec136 | 398 | (relative to PREFIX) as well as PREFIX/bin], |
3ecc3258 ZW |
399 | [if test x$withval = xyes; then |
400 | AC_MSG_ERROR([option --with-cpp-install-dir requires an argument]) | |
401 | elif test x$withval != xno; then | |
402 | cpp_install_dir=$withval | |
403 | fi]) | |
404 | ||
4bafaa6f L |
405 | # Enable __cxa_atexit for C++. |
406 | AC_ARG_ENABLE(__cxa_atexit, | |
407 | [ --enable-__cxa_atexit enable __cxa_atexit for C++], | |
408 | [], []) | |
409 | if test x$enable___cxa_atexit = xyes; then | |
410 | AC_DEFINE(DEFAULT_USE_CXA_ATEXIT, 1, | |
411 | [Define if you want to use __cxa_atexit, rather than atexit, to | |
412 | register C++ destructors for local statics and global objects. | |
413 | This is essential for fully standards-compliant handling of | |
414 | destructors, but requires __cxa_atexit in libc.]) | |
415 | fi | |
416 | ||
c5c76735 JL |
417 | # Enable Multibyte Characters for C/C++ |
418 | AC_ARG_ENABLE(c-mbchar, | |
e8bec136 | 419 | [ --enable-c-mbchar enable multibyte characters for C and C++], |
2618c083 | 420 | if test x$enable_c_mbchar != xno; then |
9ec7291f ZW |
421 | AC_DEFINE(MULTIBYTE_CHARS, 1, |
422 | [Define if you want the C and C++ compilers to support multibyte | |
423 | character sets for source code.]) | |
c5c76735 JL |
424 | fi) |
425 | ||
0bbb1697 RK |
426 | # Enable threads |
427 | # Pass with no value to take the default | |
428 | # Pass with a value to specify a thread package | |
429 | AC_ARG_ENABLE(threads, | |
e8bec136 RO |
430 | [ --enable-threads enable thread usage for target GCC |
431 | --enable-threads=LIB use LIB thread package for target GCC],, | |
0bbb1697 RK |
432 | enable_threads='') |
433 | ||
e445171e | 434 | enable_threads_flag=$enable_threads |
0bbb1697 | 435 | # Check if a valid thread package |
e445171e | 436 | case x${enable_threads_flag} in |
0bbb1697 RK |
437 | x | xno) |
438 | # No threads | |
a851212a | 439 | target_thread_file='single' |
0bbb1697 RK |
440 | ;; |
441 | xyes) | |
442 | # default | |
a851212a | 443 | target_thread_file='' |
0bbb1697 RK |
444 | ;; |
445 | xdecosf1 | xirix | xmach | xos2 | xposix | xpthreads | xsingle | \ | |
e08f13ee | 446 | xsolaris | xwin32 | xdce | xrtems| xvxworks | xaix) |
e445171e | 447 | target_thread_file=$enable_threads_flag |
0bbb1697 RK |
448 | ;; |
449 | *) | |
450 | echo "$enable_threads is an unknown thread package" 1>&2 | |
451 | exit 1 | |
452 | ;; | |
453 | esac | |
454 | ||
d8bb17c8 OP |
455 | AC_ARG_ENABLE(objc-gc, |
456 | [ --enable-objc-gc enable the use of Boehm's garbage collector with | |
e8bec136 | 457 | the GNU Objective-C runtime], |
2618c083 | 458 | if test x$enable_objc_gc = xno; then |
d8bb17c8 OP |
459 | objc_boehm_gc='' |
460 | else | |
461 | objc_boehm_gc=1 | |
462 | fi, | |
463 | objc_boehm_gc='') | |
464 | ||
90e6a802 | 465 | AC_ARG_WITH(dwarf2, |
e8bec136 | 466 | [ --with-dwarf2 force the default debug format to be DWARF 2], |
90e6a802 RL |
467 | dwarf2="$with_dwarf2", |
468 | dwarf2=no) | |
469 | ||
50503ac8 | 470 | AC_ARG_ENABLE(shared, |
e8bec136 | 471 | [ --disable-shared don't provide a shared libgcc], |
c785e0fa AO |
472 | [ |
473 | case $enable_shared in | |
474 | yes | no) ;; | |
475 | *) | |
476 | enable_shared=no | |
477 | IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:," | |
478 | for pkg in $enableval; do | |
479 | if test "X$pkg" = "Xgcc" || test "X$pkg" = "Xlibgcc"; then | |
480 | enable_shared=yes | |
481 | fi | |
482 | done | |
483 | IFS="$ac_save_ifs" | |
484 | ;; | |
485 | esac | |
486 | ], [enable_shared=yes]) | |
50503ac8 RH |
487 | AC_SUBST(enable_shared) |
488 | ||
4977bab6 ZW |
489 | AC_ARG_WITH(sysroot, |
490 | [ --with-sysroot[=DIR] Search for usr/lib, usr/include, et al, within DIR.], | |
491 | [ | |
492 | case ${with_sysroot} in | |
493 | yes) TARGET_SYSTEM_ROOT='${gcc_tooldir}/sys-root' ;; | |
494 | *) TARGET_SYSTEM_ROOT=$with_sysroot ;; | |
495 | esac | |
496 | ||
497 | TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"' | |
498 | CROSS_SYSTEM_HEADER_DIR='$(TARGET_SYSTEM_ROOT)$(NATIVE_SYSTEM_HEADER_DIR)' | |
499 | ], [ | |
500 | TARGET_SYSTEM_ROOT= | |
501 | TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=0' | |
502 | CROSS_SYSTEM_HEADER_DIR='$(gcc_tooldir)/sys-include' | |
503 | ]) | |
504 | AC_SUBST(TARGET_SYSTEM_ROOT) | |
505 | AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE) | |
506 | AC_SUBST(CROSS_SYSTEM_HEADER_DIR) | |
507 | ||
5b67ad6f | 508 | # Stage specific cflags for build. |
b8dad04b | 509 | stage1_cflags= |
5b67ad6f DA |
510 | case $build in |
511 | vax-*-*) | |
512 | if test x$GCC = xyes | |
513 | then | |
b8dad04b | 514 | stage1_cflags="-Wa,-J" |
5b67ad6f | 515 | else |
b8dad04b | 516 | stage1_cflags="-J" |
5b67ad6f DA |
517 | fi |
518 | ;; | |
5dd8a9b1 ZW |
519 | powerpc-*-darwin*) |
520 | # The spiffy cpp-precomp chokes on some legitimate constructs in GCC | |
521 | # sources; use -no-cpp-precomp to get to GNU cpp. | |
522 | # Apple's GCC has bugs in designated initializer handling, so disable | |
523 | # that too. | |
524 | stage1_cflags="-no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0" | |
525 | ;; | |
5b67ad6f | 526 | esac |
b8dad04b | 527 | AC_SUBST(stage1_cflags) |
61842080 | 528 | |
e9a25f70 JL |
529 | AC_PROG_MAKE_SET |
530 | ||
ab339d62 | 531 | AC_MSG_CHECKING([whether a default assembler was specified]) |
3ccc3a56 | 532 | if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then |
e154a394 | 533 | if test x"$gas_flag" = x"no"; then |
3ccc3a56 | 534 | AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER)]) |
ab339d62 | 535 | else |
3ccc3a56 | 536 | AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER - GNU as)]) |
ab339d62 AO |
537 | fi |
538 | else | |
539 | AC_MSG_RESULT(no) | |
540 | fi | |
541 | ||
542 | AC_MSG_CHECKING([whether a default linker was specified]) | |
3ccc3a56 | 543 | if test x"${DEFAULT_LINKER+set}" = x"set"; then |
e154a394 | 544 | if test x"$gnu_ld_flag" = x"no"; then |
3ccc3a56 | 545 | AC_MSG_RESULT([yes ($DEFAULT_LINKER)]) |
ab339d62 | 546 | else |
3ccc3a56 | 547 | AC_MSG_RESULT([yes ($DEFAULT_LINKER - GNU ld)]) |
ab339d62 AO |
548 | fi |
549 | else | |
550 | AC_MSG_RESULT(no) | |
551 | fi | |
552 | ||
4070d885 AJ |
553 | AC_MSG_CHECKING(for GNU C library) |
554 | AC_CACHE_VAL(gcc_cv_glibc, | |
555 | [AC_TRY_COMPILE( | |
556 | [#include <features.h>],[ | |
557 | #if ! (defined __GLIBC__ || defined __GNU_LIBRARY__) | |
558 | #error Not a GNU C library system | |
559 | #endif], | |
560 | [gcc_cv_glibc=yes], | |
561 | gcc_cv_glibc=no)]) | |
562 | AC_MSG_RESULT($gcc_cv_glibc) | |
c2f7d403 | 563 | if test $gcc_cv_glibc = yes; then |
4070d885 AJ |
564 | AC_DEFINE(_GNU_SOURCE, 1, [Always define this when using the GNU C Library]) |
565 | fi | |
4797e955 | 566 | |
46f18e7b RK |
567 | # Find some useful tools |
568 | AC_PROG_AWK | |
99e757d5 KG |
569 | gcc_AC_PROG_LN |
570 | gcc_AC_PROG_LN_S | |
46f18e7b | 571 | AC_PROG_RANLIB |
99e757d5 | 572 | gcc_AC_PROG_INSTALL |
46f18e7b | 573 | |
956d6950 JL |
574 | AC_HEADER_STDC |
575 | AC_HEADER_TIME | |
827ae6cf | 576 | gcc_AC_HEADER_STDBOOL |
99e757d5 | 577 | gcc_AC_HEADER_STRING |
e9831ca0 | 578 | AC_HEADER_SYS_WAIT |
03c41c05 | 579 | AC_CHECK_HEADERS(limits.h stddef.h string.h strings.h stdlib.h time.h \ |
7719ffbf | 580 | fcntl.h unistd.h sys/file.h sys/time.h \ |
03c41c05 | 581 | sys/resource.h sys/param.h sys/times.h sys/stat.h \ |
351df804 | 582 | direct.h malloc.h langinfo.h ldfcn.h) |
7636d567 | 583 | |
f24af81b TT |
584 | # Check for thread headers. |
585 | AC_CHECK_HEADER(thread.h, [have_thread_h=yes], [have_thread_h=]) | |
586 | AC_CHECK_HEADER(pthread.h, [have_pthread_h=yes], [have_pthread_h=]) | |
587 | ||
84c041a1 | 588 | # These tests can't be done till we know if we have limits.h. |
75e93faa | 589 | gcc_AC_C_CHAR_BIT |
4977bab6 | 590 | AC_C_BIGENDIAN_CROSS |
2d6eb5bf | 591 | gcc_AC_C_FLOAT_FORMAT |
75e93faa | 592 | |
955be633 JM |
593 | # See if we have the mktemp command. |
594 | AC_CHECK_PROG(have_mktemp_command, mktemp, yes, no) | |
595 | ||
09fa0705 ZW |
596 | # Do we have a single-tree copy of texinfo? |
597 | if test -f $srcdir/../texinfo/Makefile.in; then | |
598 | MAKEINFO='$(objdir)/../texinfo/makeinfo/makeinfo' | |
599 | gcc_cv_prog_makeinfo_modern=yes | |
600 | AC_MSG_RESULT([Using makeinfo from the unified source tree.]) | |
601 | else | |
602 | # See if makeinfo has been installed and is modern enough | |
603 | # that we can use it. | |
604 | gcc_AC_CHECK_PROG_VER(MAKEINFO, makeinfo, --version, | |
605 | [GNU texinfo.* \([0-9][0-9.]*\)], | |
a38f87a9 | 606 | [4.[2-9]*]) |
09fa0705 ZW |
607 | fi |
608 | ||
609 | if test $gcc_cv_prog_makeinfo_modern = no; then | |
610 | AC_MSG_WARN([ | |
611 | *** Makeinfo is missing or too old. | |
17db6582 | 612 | *** Info documentation will not be built.]) |
09fa0705 | 613 | BUILD_INFO= |
09fa0705 ZW |
614 | else |
615 | BUILD_INFO=info AC_SUBST(BUILD_INFO) | |
09fa0705 ZW |
616 | fi |
617 | ||
3f896fc2 JM |
618 | # Is pod2man recent enough to regenerate manpages? |
619 | AC_MSG_CHECKING([for recent Pod::Man]) | |
7be33370 | 620 | if (perl -e 'use 1.10 Pod::Man') >/dev/null 2>&1; then |
fd939e46 JM |
621 | AC_MSG_RESULT(yes) |
622 | GENERATED_MANPAGES=generated-manpages AC_SUBST(GENERATED_MANPAGES) | |
623 | else | |
624 | AC_MSG_RESULT(no) | |
625 | GENERATED_MANPAGES= | |
626 | fi | |
627 | ||
1e608388 ZW |
628 | # How about lex? |
629 | dnl Don't use AC_PROG_LEX; we insist on flex. | |
630 | dnl LEXLIB is not useful in gcc. | |
631 | if test -f $srcdir/../flex/skel.c; then | |
632 | FLEX='$(objdir)/../flex/flex' | |
633 | else | |
9118405f | 634 | AC_CHECK_PROG(FLEX, flex, flex, ${CONFIG_SHELL-/bin/sh} ${srcdir}/../missing flex) |
1e608388 ZW |
635 | fi |
636 | ||
637 | # Bison? | |
638 | # The -L switch is so bison can find its skeleton file. | |
639 | if test -f $srcdir/../bison/bison.simple; then | |
640 | BISON='$(objdir)/../bison/bison -L $(srcdir)/../bison/' | |
641 | else | |
9118405f | 642 | AC_CHECK_PROG(BISON, bison, bison, ${CONFIG_SHELL-/bin/sh} ${srcdir}/../missing bison) |
1e608388 ZW |
643 | fi |
644 | ||
4e70264f ZW |
645 | # These libraries may be used by collect2. |
646 | # We may need a special search path to get them linked. | |
647 | AC_CACHE_CHECK(for collect2 libraries, gcc_cv_collect2_libs, | |
648 | [save_LIBS="$LIBS" | |
7f2749d4 | 649 | for libs in '' -lld -lmld \ |
4e70264f ZW |
650 | '-L/usr/lib/cmplrs/cc2.11 -lmld' \ |
651 | '-L/usr/lib/cmplrs/cc3.11 -lmld' | |
652 | do | |
653 | LIBS="$libs" | |
654 | AC_TRY_LINK_FUNC(ldopen, | |
655 | [gcc_cv_collect2_libs="$libs"; break]) | |
656 | done | |
657 | LIBS="$save_LIBS" | |
658 | test -z "$gcc_cv_collect2_libs" && gcc_cv_collect2_libs='none required']) | |
659 | case $gcc_cv_collect2_libs in | |
660 | "none required") ;; | |
661 | *) COLLECT2_LIBS=$gcc_cv_collect2_libs ;; | |
662 | esac | |
663 | AC_SUBST(COLLECT2_LIBS) | |
664 | ||
7f2749d4 RK |
665 | # When building Ada code on Alpha, we need exc_resume which is usually in |
666 | # -lexc. So test for it. | |
667 | save_LIBS="$LIBS" | |
668 | LIBS= | |
669 | AC_SEARCH_LIBS(exc_resume, exc) | |
670 | GNAT_LIBEXC="$LIBS" | |
671 | LIBS="$save_LIBS" | |
672 | AC_SUBST(GNAT_LIBEXC) | |
673 | ||
890ad3ea | 674 | # See if the stage1 system preprocessor understands the ANSI C |
4bc5fbd4 | 675 | # preprocessor stringification operator. (Used by symcat.h.) |
890ad3ea | 676 | AC_C_STRINGIZE |
76844337 | 677 | |
7636d567 JW |
678 | # Use <inttypes.h> only if it exists, |
679 | # doesn't clash with <sys/types.h>, and declares intmax_t. | |
680 | AC_MSG_CHECKING(for inttypes.h) | |
681 | AC_CACHE_VAL(gcc_cv_header_inttypes_h, | |
682 | [AC_TRY_COMPILE( | |
683 | [#include <sys/types.h> | |
684 | #include <inttypes.h>], | |
685 | [intmax_t i = -1;], | |
9da0e39b | 686 | [gcc_cv_header_inttypes_h=yes], |
7636d567 JW |
687 | gcc_cv_header_inttypes_h=no)]) |
688 | AC_MSG_RESULT($gcc_cv_header_inttypes_h) | |
9da0e39b | 689 | if test $gcc_cv_header_inttypes_h = yes; then |
119d24d1 KG |
690 | AC_DEFINE(HAVE_INTTYPES_H, 1, |
691 | [Define if you have a working <inttypes.h> header file.]) | |
9da0e39b | 692 | fi |
cdcc6a01 | 693 | |
9612ab65 ZW |
694 | dnl Disabled until we have a complete test for buggy enum bitfields. |
695 | dnl gcc_AC_C_ENUM_BF_UNSIGNED | |
c149cc37 | 696 | |
6af8c740 KG |
697 | AC_CHECK_FUNCS(times clock dup2 kill getrlimit setrlimit atoll atoq \ |
698 | sysconf strsignal putc_unlocked fputc_unlocked fputs_unlocked \ | |
a15135c9 MM |
699 | fwrite_unlocked fprintf_unlocked getrusage nl_langinfo lstat \ |
700 | scandir alphasort) | |
a81fb89e | 701 | |
f12bc141 | 702 | AC_CHECK_TYPE(ssize_t, int) |
56f48ce9 | 703 | |
e256b8b6 DA |
704 | # Try to determine the array type of the second argument of getgroups |
705 | # for the target system (int or gid_t). | |
706 | AC_TYPE_GETGROUPS | |
707 | if test "${target}" = "${build}"; then | |
708 | TARGET_GETGROUPS_T=$ac_cv_type_getgroups | |
709 | else | |
710 | case "${target}" in | |
711 | # This condition may need some tweaking. It should include all | |
712 | # targets where the array type of the second argument of getgroups | |
713 | # is int and the type of gid_t is not equivalent to int. | |
714 | *-*-sunos* | *-*-ultrix*) | |
715 | TARGET_GETGROUPS_T=int | |
716 | ;; | |
717 | *) | |
718 | TARGET_GETGROUPS_T=gid_t | |
719 | ;; | |
720 | esac | |
721 | fi | |
722 | AC_SUBST(TARGET_GETGROUPS_T) | |
723 | ||
99e757d5 | 724 | gcc_AC_FUNC_PRINTF_PTR |
b27d2bd5 MK |
725 | |
726 | case "${host}" in | |
727 | *-*-uwin*) | |
34fa3e7d MM |
728 | AC_MSG_ERROR([ |
729 | *** UWIN may not be used as a host platform because | |
730 | *** linking with posix.dll is not allowed by the GNU GPL]) | |
b27d2bd5 | 731 | ;; |
ee262b6f DR |
732 | *-*-*vms*) |
733 | # Under VMS, vfork works very different than on Unix. The standard test | |
734 | # won't work, and it isn't easily adaptable. It makes more sense to | |
735 | # just force it. | |
736 | ac_cv_func_vfork_works=yes | |
737 | ;; | |
b27d2bd5 | 738 | esac |
c375c43b | 739 | AC_FUNC_VFORK |
4acab94b | 740 | AC_FUNC_MMAP_ANYWHERE |
56f02b88 | 741 | AC_FUNC_MMAP_FILE |
f1b54f9b | 742 | |
f91abfce TT |
743 | AM_ICONV |
744 | ||
86cf1cbd KG |
745 | # We will need to find libiberty.h and ansidecl.h |
746 | saved_CFLAGS="$CFLAGS" | |
747 | CFLAGS="$CFLAGS -I${srcdir} -I${srcdir}/../include" | |
8e944909 | 748 | gcc_AC_CHECK_DECLS(getenv atol sbrk abort atof getcwd getwd \ |
3b681e9d | 749 | strsignal putc_unlocked fputs_unlocked fwrite_unlocked \ |
a7475ab1 | 750 | fprintf_unlocked strstr errno vasprintf \ |
c1800ec8 | 751 | malloc realloc calloc free basename getopt clock, , ,[ |
d02af173 | 752 | #include "ansidecl.h" |
86cf1cbd | 753 | #include "system.h"]) |
c5c76735 | 754 | |
f31e826b | 755 | gcc_AC_CHECK_DECLS(getrlimit setrlimit getrusage, , ,[ |
d02af173 | 756 | #include "ansidecl.h" |
86cf1cbd | 757 | #include "system.h" |
d2cabf16 KG |
758 | #ifdef HAVE_SYS_RESOURCE_H |
759 | #include <sys/resource.h> | |
760 | #endif | |
761 | ]) | |
762 | ||
351df804 KG |
763 | gcc_AC_CHECK_DECLS(ldgetname, , ,[ |
764 | #include "ansidecl.h" | |
765 | #include "system.h" | |
766 | #ifdef HAVE_LDFCN_H | |
767 | #include <ldfcn.h> | |
768 | #endif | |
769 | ]) | |
770 | ||
c1800ec8 ZW |
771 | gcc_AC_CHECK_DECLS(times, , ,[ |
772 | #include "ansidecl.h" | |
773 | #include "system.h" | |
774 | #ifdef HAVE_SYS_TIMES_H | |
775 | #include <sys/times.h> | |
776 | #endif | |
777 | ]) | |
778 | ||
779 | # More time-related stuff. | |
780 | AC_CACHE_CHECK(for struct tms, ac_cv_struct_tms, [ | |
781 | AC_TRY_COMPILE([ | |
782 | #include "ansidecl.h" | |
783 | #include "system.h" | |
784 | #ifdef HAVE_SYS_TIMES_H | |
785 | #include <sys/times.h> | |
786 | #endif | |
787 | ], [struct tms tms;], ac_cv_struct_tms=yes, ac_cv_struct_tms=no)]) | |
788 | if test $ac_cv_struct_tms = yes; then | |
789 | AC_DEFINE(HAVE_STRUCT_TMS, 1, | |
790 | [Define if <sys/times.h> defines struct tms.]) | |
791 | fi | |
792 | ||
793 | # use gcc_cv_* here because this doesn't match the behavior of AC_CHECK_TYPE. | |
794 | # revisit after autoconf 2.50. | |
795 | AC_CACHE_CHECK(for clock_t, gcc_cv_type_clock_t, [ | |
796 | AC_TRY_COMPILE([ | |
797 | #include "ansidecl.h" | |
798 | #include "system.h" | |
799 | ], [clock_t x;], gcc_cv_type_clock_t=yes, gcc_cv_type_clock_t=no)]) | |
800 | if test $gcc_cv_type_clock_t = yes; then | |
801 | AC_DEFINE(HAVE_CLOCK_T, 1, | |
802 | [Define if <time.h> defines clock_t.]) | |
803 | fi | |
804 | ||
a12b5bd9 ZW |
805 | AC_CACHE_CHECK(for uchar, gcc_cv_type_uchar, |
806 | [AC_TRY_COMPILE([ | |
807 | #include "ansidecl.h" | |
808 | #include "system.h" | |
809 | ], | |
810 | [if ((uchar *)0) return 0; | |
811 | if (sizeof(uchar)) return 0;], | |
812 | ac_cv_type_uchar=yes, ac_cv_type_uchar=no)]) | |
813 | if test $ac_cv_type_uchar = yes; then | |
814 | AC_DEFINE(HAVE_UCHAR, 1, | |
815 | [Define if <sys/types.h> defines \`uchar'.]) | |
816 | fi | |
817 | ||
86cf1cbd KG |
818 | # Restore CFLAGS from before the gcc_AC_NEED_DECLARATIONS tests. |
819 | CFLAGS="$saved_CFLAGS" | |
820 | ||
eb70d86d AS |
821 | gcc_AC_INITFINI_ARRAY |
822 | ||
75923b2f | 823 | # mkdir takes a single argument on some systems. |
99e757d5 | 824 | gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG |
75923b2f | 825 | |
46f18e7b RK |
826 | # File extensions |
827 | manext='.1' | |
828 | objext='.o' | |
46f18e7b RK |
829 | AC_SUBST(manext) |
830 | AC_SUBST(objext) | |
46f18e7b | 831 | |
4977bab6 ZW |
832 | # With Setjmp/Longjmp based exception handling. |
833 | AC_ARG_ENABLE(sjlj-exceptions, | |
834 | [ --enable-sjlj-exceptions | |
835 | arrange to use setjmp/longjmp exception handling], | |
836 | [sjlj=`if test $enableval = yes; then echo 1; else echo 0; fi` | |
837 | AC_DEFINE_UNQUOTED(CONFIG_SJLJ_EXCEPTIONS, $sjlj, | |
838 | [Define 0/1 to force the choice for exception handling model.])]) | |
839 | ||
840 | AC_CHECK_LIB(unwind, main, use_libunwind_default=yes, use_libunwind_default=no) | |
841 | # Use libunwind based exception handling. | |
842 | AC_ARG_ENABLE(libunwind-exceptions, | |
843 | [ --enable-libunwind-exceptions force use libunwind for exceptions], | |
844 | use_libunwind_exceptions=$enableval, | |
845 | use_libunwind_exceptions=$use_libunwind_default) | |
846 | if test x"$use_libunwind_exceptions" = xyes; then | |
847 | AC_DEFINE(USE_LIBUNWIND_EXCEPTIONS, 1, | |
848 | [Define if gcc should use -lunwind.]) | |
849 | fi | |
850 | ||
ef69da62 | 851 | target_gtfiles= |
46f18e7b | 852 | build_xm_file= |
61536478 | 853 | build_xm_defines= |
46f18e7b RK |
854 | build_install_headers_dir=install-headers-tar |
855 | build_exeext= | |
856 | host_xm_file= | |
61536478 | 857 | host_xm_defines= |
46f18e7b RK |
858 | host_xmake_file= |
859 | host_truncate_target= | |
6e26218f | 860 | host_exeext= |
46f18e7b RK |
861 | |
862 | # Decode the host machine, then the target machine. | |
863 | # For the host machine, we save the xm_file variable as host_xm_file; | |
864 | # then we decode the target machine and forget everything else | |
865 | # that came from the host machine. | |
866 | for machine in $build $host $target; do | |
61ed06c3 | 867 | . ${srcdir}/config.gcc |
46f18e7b RK |
868 | done |
869 | ||
870 | extra_objs="${host_extra_objs} ${extra_objs}" | |
871 | ||
872 | # Default the target-machine variables that were not explicitly set. | |
75bffa71 | 873 | if test x"$tm_file" = x |
46f18e7b RK |
874 | then tm_file=$cpu_type/$cpu_type.h; fi |
875 | ||
6b2adea9 | 876 | if test x"$extra_headers" = x |
46f18e7b RK |
877 | then extra_headers=; fi |
878 | ||
75bffa71 | 879 | if test x$md_file = x |
e98e406f | 880 | then md_file=$cpu_type/$cpu_type.md; fi |
46f18e7b | 881 | |
75bffa71 | 882 | if test x$out_file = x |
46f18e7b RK |
883 | then out_file=$cpu_type/$cpu_type.c; fi |
884 | ||
75bffa71 | 885 | if test x"$tmake_file" = x |
46f18e7b RK |
886 | then tmake_file=$cpu_type/t-$cpu_type |
887 | fi | |
888 | ||
90e6a802 | 889 | if test x"$dwarf2" = xyes |
756ee602 | 890 | then tm_file="$tm_file tm-dwarf2.h" |
90e6a802 RL |
891 | fi |
892 | ||
46f18e7b | 893 | # Say what files are being used for the output code and MD file. |
11642c3a | 894 | echo "Using \`$srcdir/config/$out_file' for machine-specific logic." |
46f18e7b RK |
895 | echo "Using \`$srcdir/config/$md_file' as machine description file." |
896 | ||
11642c3a | 897 | # If any of the xm_file variables contain nonexistent files, warn |
4dc0535b ZW |
898 | # about them and drop them. |
899 | ||
11642c3a ZW |
900 | bx= |
901 | for x in $build_xm_file; do | |
902 | if test -f $srcdir/config/$x | |
903 | then bx="$bx $x" | |
11642c3a ZW |
904 | else AC_MSG_WARN($srcdir/config/$x does not exist.) |
905 | fi | |
906 | done | |
907 | build_xm_file="$bx" | |
908 | ||
909 | hx= | |
910 | for x in $host_xm_file; do | |
911 | if test -f $srcdir/config/$x | |
912 | then hx="$hx $x" | |
11642c3a ZW |
913 | else AC_MSG_WARN($srcdir/config/$x does not exist.) |
914 | fi | |
915 | done | |
916 | host_xm_file="$hx" | |
917 | ||
918 | tx= | |
919 | for x in $xm_file; do | |
920 | if test -f $srcdir/config/$x | |
921 | then tx="$tx $x" | |
11642c3a ZW |
922 | else AC_MSG_WARN($srcdir/config/$x does not exist.) |
923 | fi | |
924 | done | |
925 | xm_file="$tx" | |
926 | ||
46f18e7b RK |
927 | count=a |
928 | for f in $tm_file; do | |
929 | count=${count}x | |
930 | done | |
75bffa71 | 931 | if test $count = ax; then |
46f18e7b RK |
932 | echo "Using \`$srcdir/config/$tm_file' as target machine macro file." |
933 | else | |
934 | echo "Using the following target machine macro files:" | |
935 | for f in $tm_file; do | |
936 | echo " $srcdir/config/$f" | |
937 | done | |
938 | fi | |
939 | ||
4977bab6 ZW |
940 | if test x$need_64bit_hwint = xyes; then |
941 | AC_DEFINE(NEED_64BIT_HOST_WIDE_INT, 1, | |
942 | [Define to 1 if HOST_WIDE_INT must be 64 bits wide (see hwint.h).]) | |
943 | fi | |
944 | ||
46f18e7b RK |
945 | count=a |
946 | for f in $host_xm_file; do | |
947 | count=${count}x | |
948 | done | |
11642c3a ZW |
949 | if test $count = a; then |
950 | : | |
951 | elif test $count = ax; then | |
46f18e7b RK |
952 | echo "Using \`$srcdir/config/$host_xm_file' as host machine macro file." |
953 | else | |
954 | echo "Using the following host machine macro files:" | |
955 | for f in $host_xm_file; do | |
956 | echo " $srcdir/config/$f" | |
957 | done | |
958 | fi | |
959 | ||
75bffa71 | 960 | if test "$host_xm_file" != "$build_xm_file"; then |
46f18e7b RK |
961 | count=a |
962 | for f in $build_xm_file; do | |
963 | count=${count}x | |
964 | done | |
11642c3a ZW |
965 | if test $count = a; then |
966 | : | |
967 | elif test $count = ax; then | |
46f18e7b RK |
968 | echo "Using \`$srcdir/config/$build_xm_file' as build machine macro file." |
969 | else | |
970 | echo "Using the following build machine macro files:" | |
971 | for f in $build_xm_file; do | |
972 | echo " $srcdir/config/$f" | |
973 | done | |
974 | fi | |
975 | fi | |
976 | ||
75bffa71 ILT |
977 | if test x$thread_file = x; then |
978 | if test x$target_thread_file != x; then | |
a851212a JW |
979 | thread_file=$target_thread_file |
980 | else | |
981 | thread_file='single' | |
982 | fi | |
46f18e7b | 983 | fi |
46f18e7b | 984 | |
a5381466 | 985 | # Look for a file containing extra machine modes. |
1c0ca89d ZW |
986 | if test -n "$extra_modes" && test -f $srcdir/config/$extra_modes; then |
987 | extra_modes_file='$(srcdir)'/config/${extra_modes} | |
a5381466 | 988 | AC_SUBST(extra_modes_file) |
1c0ca89d | 989 | AC_DEFINE_UNQUOTED(EXTRA_MODES_FILE, "$extra_modes", |
a5381466 ZW |
990 | [Define to the name of a file containing a list of extra machine modes |
991 | for this architecture.]) | |
992 | AC_DEFINE(EXTRA_CC_MODES, 1, | |
993 | [Define if the target architecture needs extra machine modes to represent | |
994 | the results of comparisons.]) | |
995 | fi | |
996 | ||
b7cb92ad | 997 | # auto-host.h is the file containing items generated by autoconf and is |
e9a25f70 | 998 | # the first file included by config.h. |
4977bab6 | 999 | # If host=build, it is correct to have bconfig include auto-host.h |
db81d74a RH |
1000 | # as well. If host!=build, we are in error and need to do more |
1001 | # work to find out the build config parameters. | |
75bffa71 | 1002 | if test x$host = x$build |
db81d74a | 1003 | then |
eaf4e618 | 1004 | build_auto=auto-host.h |
06f0b04c | 1005 | FORBUILD=.. |
b7cb92ad JL |
1006 | else |
1007 | # We create a subdir, then run autoconf in the subdir. | |
1008 | # To prevent recursion we set host and build for the new | |
1009 | # invocation of configure to the build for this invocation | |
1010 | # of configure. | |
1011 | tempdir=build.$$ | |
1012 | rm -rf $tempdir | |
1013 | mkdir $tempdir | |
1014 | cd $tempdir | |
1015 | case ${srcdir} in | |
b86ecfa9 | 1016 | /* | [A-Za-z]:[\\/]* ) realsrcdir=${srcdir};; |
b7cb92ad JL |
1017 | *) realsrcdir=../${srcdir};; |
1018 | esac | |
d920e825 L |
1019 | saved_CFLAGS="${CFLAGS}" |
1020 | CC="${CC_FOR_BUILD}" CFLAGS="${CFLAGS_FOR_BUILD}" \ | |
1021 | ${realsrcdir}/configure \ | |
534d0cc0 | 1022 | --target=$target_alias --host=$build_alias --build=$build_alias |
d920e825 | 1023 | CFLAGS="${saved_CFLAGS}" |
b7cb92ad JL |
1024 | |
1025 | # We just finished tests for the build machine, so rename | |
1026 | # the file auto-build.h in the gcc directory. | |
1027 | mv auto-host.h ../auto-build.h | |
1028 | cd .. | |
1029 | rm -rf $tempdir | |
eaf4e618 | 1030 | build_auto=auto-build.h |
61138bb6 | 1031 | FORBUILD=../build-$build_alias |
db81d74a | 1032 | fi |
06f0b04c | 1033 | AC_SUBST(FORBUILD) |
db81d74a | 1034 | |
eaf4e618 | 1035 | tm_file="${tm_file} defaults.h" |
4977bab6 ZW |
1036 | tm_p_file="${tm_p_file} tm-preds.h" |
1037 | host_xm_file="auto-host.h ansidecl.h ${host_xm_file}" | |
1038 | build_xm_file="${build_auto} ansidecl.h ${build_xm_file}" | |
49691411 | 1039 | # We don't want ansidecl.h in target files, write code there in ISO/GNU C. |
b4862477 KG |
1040 | # put this back in temporarily. |
1041 | xm_file="ansidecl.h ${xm_file}" | |
0056a9b5 | 1042 | |
46f18e7b | 1043 | # Truncate the target if necessary |
75bffa71 | 1044 | if test x$host_truncate_target != x; then |
46f18e7b RK |
1045 | target=`echo $target | sed -e 's/\(..............\).*/\1/'` |
1046 | fi | |
1047 | ||
f1943b77 | 1048 | # Get the version trigger filename from the toplevel |
75bffa71 | 1049 | if test "${with_gcc_version_trigger+set}" = set; then |
f1943b77 MH |
1050 | gcc_version_trigger=$with_gcc_version_trigger |
1051 | else | |
1052 | gcc_version_trigger=${srcdir}/version.c | |
1053 | fi | |
75bffa71 | 1054 | changequote(,)dnl |
022dae81 | 1055 | gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*"\([^"]*\)".*/\1/'` |
8763704d | 1056 | gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'` |
cc1e60ea JM |
1057 | |
1058 | # Compile in configure arguments. | |
8105825d | 1059 | if test -f configargs.h ; then |
cc1e60ea | 1060 | # Being re-configured. |
022dae81 | 1061 | gcc_config_arguments=`grep configuration_arguments configargs.h | sed -e 's/.*"\([^"]*\)".*/\1/'` |
cc1e60ea JM |
1062 | gcc_config_arguments="$gcc_config_arguments : (reconfigured) $TOPLEVEL_CONFIGURE_ARGUMENTS" |
1063 | else | |
1064 | gcc_config_arguments="$TOPLEVEL_CONFIGURE_ARGUMENTS" | |
1065 | fi | |
1066 | cat > configargs.h <<EOF | |
1067 | /* Generated automatically. */ | |
1068 | static const char configuration_arguments[] = "$gcc_config_arguments"; | |
a6687d2b | 1069 | static const char thread_model[] = "$thread_file"; |
cc1e60ea | 1070 | EOF |
75bffa71 | 1071 | changequote([,])dnl |
46f18e7b | 1072 | |
ab87f8c8 JL |
1073 | # Internationalization |
1074 | PACKAGE=gcc | |
1075 | VERSION="$gcc_version" | |
ab87f8c8 JL |
1076 | AC_SUBST(PACKAGE) |
1077 | AC_SUBST(VERSION) | |
1078 | ||
dc6746e7 | 1079 | # Enable NLS support by default |
ab87f8c8 | 1080 | AC_ARG_ENABLE(nls, |
dc6746e7 PT |
1081 | [ --enable-nls use Native Language Support (default)], |
1082 | , enable_nls=yes) | |
1083 | ||
1084 | # if cross compiling, disable NLS support. | |
1085 | # It's not worth the trouble, at least for now. | |
1086 | ||
063a4b85 | 1087 | if test "${build}" != "${host}" && test "x$enable_nls" = "xyes"; then |
dc6746e7 PT |
1088 | AC_MSG_WARN(Disabling NLS support for canadian cross compiler.) |
1089 | enable_nls=no | |
1090 | fi | |
ab87f8c8 JL |
1091 | |
1092 | AM_GNU_GETTEXT | |
ab87f8c8 | 1093 | |
f4ab28e3 MK |
1094 | # Windows32 Registry support for specifying GCC installation paths. |
1095 | AC_ARG_ENABLE(win32-registry, | |
1096 | [ --disable-win32-registry | |
e8bec136 RO |
1097 | disable lookup of installation paths in the |
1098 | Registry on Windows hosts | |
1099 | --enable-win32-registry enable registry lookup (default) | |
f4ab28e3 | 1100 | --enable-win32-registry=KEY |
e8bec136 RO |
1101 | use KEY instead of GCC version as the last portion |
1102 | of the registry key],,) | |
4e70264f ZW |
1103 | case $host_os in |
1104 | win32 | pe | cygwin* | mingw32* | uwin*) | |
f4ab28e3 | 1105 | AC_MSG_CHECKING(whether windows registry support is requested) |
9dd53f2c | 1106 | if test "x$enable_win32_registry" != xno; then |
119d24d1 KG |
1107 | AC_DEFINE(ENABLE_WIN32_REGISTRY, 1, |
1108 | [Define to 1 if installation paths should be looked up in Windows32 | |
91029a29 | 1109 | Registry. Ignored on non windows32 hosts.]) |
f4ab28e3 | 1110 | AC_MSG_RESULT(yes) |
4e70264f | 1111 | AC_SEARCH_LIBS(RegOpenKeyExA, advapi32) |
f4ab28e3 MK |
1112 | else |
1113 | AC_MSG_RESULT(no) | |
1114 | fi | |
1115 | ||
1116 | # Check if user specified a different registry key. | |
9dd53f2c | 1117 | case "x${enable_win32_registry}" in |
f4ab28e3 MK |
1118 | x | xyes) |
1119 | # default. | |
1120 | gcc_cv_win32_registry_key="$VERSION" | |
1121 | ;; | |
1122 | xno) | |
1123 | # no registry lookup. | |
1124 | gcc_cv_win32_registry_key='' | |
1125 | ;; | |
1126 | *) | |
1127 | # user-specified key. | |
1128 | gcc_cv_win32_registry_key="$enable_win32_registry" | |
1129 | ;; | |
1130 | esac | |
1131 | ||
9dd53f2c | 1132 | if test "x$enable_win32_registry" != xno; then |
f4ab28e3 | 1133 | AC_MSG_CHECKING(registry key on windows hosts) |
119d24d1 KG |
1134 | AC_DEFINE_UNQUOTED(WIN32_REGISTRY_KEY, "$gcc_cv_win32_registry_key", |
1135 | [Define to be the last portion of registry key on windows hosts.]) | |
f4ab28e3 MK |
1136 | AC_MSG_RESULT($gcc_cv_win32_registry_key) |
1137 | fi | |
4e70264f ZW |
1138 | ;; |
1139 | esac | |
f4ab28e3 | 1140 | |
7fa10b25 | 1141 | # Get an absolute path to the GCC top-level source directory |
1e6347d8 | 1142 | holddir=`${PWDCMD-pwd}` |
7fa10b25 | 1143 | cd $srcdir |
1e6347d8 | 1144 | topdir=`${PWDCMD-pwd}` |
7fa10b25 RK |
1145 | cd $holddir |
1146 | ||
af5e4ada | 1147 | # Conditionalize the makefile for this host machine. |
94f42018 DE |
1148 | # Make-host contains the concatenation of all host makefile fragments |
1149 | # [there can be more than one]. This file is built by configure.frag. | |
1150 | host_overrides=Make-host | |
af5e4ada | 1151 | dep_host_xmake_file= |
94f42018 DE |
1152 | for f in .. ${host_xmake_file} |
1153 | do | |
75bffa71 | 1154 | if test -f ${srcdir}/config/$f |
94f42018 DE |
1155 | then |
1156 | dep_host_xmake_file="${dep_host_xmake_file} ${srcdir}/config/$f" | |
1157 | fi | |
1158 | done | |
46f18e7b | 1159 | |
af5e4ada | 1160 | # Conditionalize the makefile for this target machine. |
94f42018 DE |
1161 | # Make-target contains the concatenation of all host makefile fragments |
1162 | # [there can be more than one]. This file is built by configure.frag. | |
1163 | target_overrides=Make-target | |
af5e4ada | 1164 | dep_tmake_file= |
94f42018 DE |
1165 | for f in .. ${tmake_file} |
1166 | do | |
75bffa71 | 1167 | if test -f ${srcdir}/config/$f |
94f42018 DE |
1168 | then |
1169 | dep_tmake_file="${dep_tmake_file} ${srcdir}/config/$f" | |
1170 | fi | |
1171 | done | |
5891b37d | 1172 | |
af5e4ada DE |
1173 | # If the host doesn't support symlinks, modify CC in |
1174 | # FLAGS_TO_PASS so CC="stage1/xgcc -Bstage1/" works. | |
1175 | # Otherwise, we can use "CC=$(CC)". | |
1176 | rm -f symtest.tem | |
61536478 | 1177 | if $symbolic_link $srcdir/gcc.c symtest.tem 2>/dev/null |
af5e4ada DE |
1178 | then |
1179 | cc_set_by_configure="\$(CC)" | |
5aa82ace | 1180 | quoted_cc_set_by_configure="\$(CC)" |
af5e4ada | 1181 | stage_prefix_set_by_configure="\$(STAGE_PREFIX)" |
596151e1 | 1182 | quoted_stage_prefix_set_by_configure="\$(STAGE_PREFIX)" |
af5e4ada | 1183 | else |
61536478 JL |
1184 | rm -f symtest.tem |
1185 | if cp -p $srcdir/gcc.c symtest.tem 2>/dev/null | |
1186 | then | |
1187 | symbolic_link="cp -p" | |
1188 | else | |
1189 | symbolic_link="cp" | |
1190 | fi | |
af5e4ada | 1191 | cc_set_by_configure="\`case '\$(CC)' in stage*) echo '\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\$(CC)';; esac\`" |
5aa82ace | 1192 | quoted_cc_set_by_configure="\\\`case '\\\$(CC)' in stage*) echo '\\\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(CC)';; esac\\\`" |
af5e4ada | 1193 | stage_prefix_set_by_configure="\`case '\$(STAGE_PREFIX)' in stage*) echo '\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\$(STAGE_PREFIX)';; esac\`" |
596151e1 | 1194 | 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 |
1195 | fi |
1196 | rm -f symtest.tem | |
5891b37d | 1197 | |
af5e4ada | 1198 | out_object_file=`basename $out_file .c`.o |
5891b37d | 1199 | |
af5e4ada DE |
1200 | tm_file_list= |
1201 | for f in $tm_file; do | |
64ccbc99 | 1202 | case $f in |
d02af173 ZW |
1203 | ansidecl.h ) |
1204 | tm_file_list="${tm_file_list} \$(srcdir)/../include/ansidecl.h" ;; | |
1205 | defaults.h ) | |
e2500fed | 1206 | tm_file_list="${tm_file_list} \$(srcdir)/$f" ;; |
64ccbc99 KG |
1207 | *) tm_file_list="${tm_file_list} \$(srcdir)/config/$f" ;; |
1208 | esac | |
af5e4ada | 1209 | done |
46f18e7b | 1210 | |
11642c3a ZW |
1211 | tm_p_file_list= |
1212 | for f in $tm_p_file; do | |
4977bab6 ZW |
1213 | case $f in |
1214 | tm-preds.h ) | |
1215 | tm_p_file_list="${tm_p_file_list} $f" ;; | |
1216 | *) tm_p_file_list="${tm_p_file_list} \$(srcdir)/config/$f" ;; | |
1217 | esac | |
11642c3a ZW |
1218 | done |
1219 | ||
af5e4ada DE |
1220 | host_xm_file_list= |
1221 | for f in $host_xm_file; do | |
64ccbc99 | 1222 | case $f in |
d02af173 ZW |
1223 | ansidecl.h ) |
1224 | host_xm_file_list="${host_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;; | |
e2500fed | 1225 | auto-host.h ) |
64ccbc99 | 1226 | host_xm_file_list="${host_xm_file_list} $f" ;; |
e2500fed GK |
1227 | defaults.h ) |
1228 | host_xm_file_list="${host_xm_file_list} \$(srcdir)/$f" ;; | |
64ccbc99 KG |
1229 | *) host_xm_file_list="${host_xm_file_list} \$(srcdir)/config/$f" ;; |
1230 | esac | |
af5e4ada DE |
1231 | done |
1232 | ||
1233 | build_xm_file_list= | |
1234 | for f in $build_xm_file; do | |
64ccbc99 | 1235 | case $f in |
d02af173 ZW |
1236 | ansidecl.h ) |
1237 | build_xm_file_list="${build_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;; | |
e2500fed | 1238 | auto-build.h | auto-host.h ) |
64ccbc99 | 1239 | build_xm_file_list="${build_xm_file_list} $f" ;; |
e2500fed GK |
1240 | defaults.h ) |
1241 | host_xm_file_list="${host_xm_file_list} \$(srcdir)/$f" ;; | |
64ccbc99 KG |
1242 | *) build_xm_file_list="${build_xm_file_list} \$(srcdir)/config/$f" ;; |
1243 | esac | |
af5e4ada | 1244 | done |
46f18e7b | 1245 | |
a078a589 ZW |
1246 | # Define macro CROSS_COMPILE in compilation if this is a cross-compiler. |
1247 | # Also use all.cross instead of all.internal and adjust SYSTEM_HEADER_DIR. | |
1248 | CROSS= AC_SUBST(CROSS) | |
1249 | ALL=all.internal AC_SUBST(ALL) | |
1250 | SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)' AC_SUBST(SYSTEM_HEADER_DIR) | |
75bffa71 | 1251 | if test x$host != x$target |
af5e4ada | 1252 | then |
a078a589 ZW |
1253 | CROSS="-DCROSS_COMPILE" |
1254 | ALL=all.cross | |
1255 | SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)' | |
343f59d9 AM |
1256 | case "$host","$target" in |
1257 | i?86-*-*,x86_64-*-* \ | |
1258 | | powerpc*-*-*,powerpc64*-*-*) | |
1259 | CROSS="$CROSS -DNATIVE_CROSS" ;; | |
1260 | esac | |
af5e4ada | 1261 | fi |
46f18e7b | 1262 | |
b39d221a EC |
1263 | # If this is a cross-compiler that does not |
1264 | # have its own set of headers then define | |
1265 | # inhibit_libc | |
1266 | ||
fecd6201 ZW |
1267 | # If this is using newlib, then define inhibit_libc in LIBGCC2_CFLAGS. |
1268 | # This prevents libgcc2 from containing any code which requires libc | |
1269 | # support. | |
b39d221a | 1270 | inhibit_libc= |
4977bab6 ZW |
1271 | if { test x$host != x$target && test "x$with_headers" = x && |
1272 | test "x$with_sysroot" = x ; } || test x$with_newlib = xyes ; then | |
b39d221a | 1273 | inhibit_libc=-Dinhibit_libc |
b39d221a EC |
1274 | fi |
1275 | AC_SUBST(inhibit_libc) | |
1276 | ||
a078a589 ZW |
1277 | # When building gcc with a cross-compiler, we need to adjust things so |
1278 | # that the generator programs are still built with the native compiler. | |
1279 | # Also, we cannot run fixincludes or fix-header. | |
a078a589 ZW |
1280 | |
1281 | # These are the normal (build=host) settings: | |
5c35940c NN |
1282 | BUILD_PREFIX= AC_SUBST(BUILD_PREFIX) |
1283 | BUILD_PREFIX_1=ignore- AC_SUBST(BUILD_PREFIX_1) | |
4977bab6 ZW |
1284 | BUILD_CC='$(CC)' AC_SUBST(BUILD_CC) |
1285 | BUILD_CFLAGS='$(ALL_CFLAGS)' AC_SUBST(BUILD_CFLAGS) | |
a078a589 ZW |
1286 | |
1287 | STMP_FIXINC=stmp-fixinc AC_SUBST(STMP_FIXINC) | |
1288 | STMP_FIXPROTO=stmp-fixproto AC_SUBST(STMP_FIXPROTO) | |
1289 | ||
1290 | # And these apply if build != host. | |
75bffa71 | 1291 | if test x$build != x$host |
af5e4ada | 1292 | then |
5c35940c NN |
1293 | BUILD_PREFIX=build- |
1294 | BUILD_PREFIX_1=build- | |
4977bab6 ZW |
1295 | BUILD_CC='$(CC_FOR_BUILD)' |
1296 | BUILD_CFLAGS='$(INTERNAL_CFLAGS) $(T_CFLAGS) $(CFLAGS_FOR_BUILD) $(XCFLAGS)' | |
a078a589 ZW |
1297 | |
1298 | STMP_FIXINC= | |
1299 | STMP_FIXPROTO= | |
af5e4ada | 1300 | fi |
46f18e7b | 1301 | |
ae3a15bb DE |
1302 | # Expand extra_headers to include complete path. |
1303 | # This substitutes for lots of t-* files. | |
1304 | extra_headers_list= | |
75bffa71 | 1305 | if test "x$extra_headers" = x |
ae3a15bb DE |
1306 | then true |
1307 | else | |
29f7a208 | 1308 | # Prepend ${srcdir}/config/${cpu_type}/ to every entry in extra_headers. |
ae3a15bb DE |
1309 | for file in $extra_headers; |
1310 | do | |
29f7a208 | 1311 | extra_headers_list="${extra_headers_list} \$(srcdir)/config/${cpu_type}/${file}" |
ae3a15bb DE |
1312 | done |
1313 | fi | |
1314 | ||
75bffa71 | 1315 | if test x$use_collect2 = xno; then |
2ce3c6c6 JM |
1316 | use_collect2= |
1317 | fi | |
1318 | ||
af5e4ada | 1319 | # Add a definition of USE_COLLECT2 if system wants one. |
2cc07db4 | 1320 | if test x$use_collect2 != x |
af5e4ada | 1321 | then |
2cc07db4 RH |
1322 | host_xm_defines="${host_xm_defines} USE_COLLECT2" |
1323 | xm_defines="${xm_defines} USE_COLLECT2" | |
af5e4ada DE |
1324 | fi |
1325 | ||
af5e4ada | 1326 | # If we have gas in the build tree, make a link to it. |
75bffa71 | 1327 | if test -f ../gas/Makefile; then |
6e26218f | 1328 | rm -f as; $symbolic_link ../gas/as-new$host_exeext as$host_exeext 2>/dev/null |
af5e4ada DE |
1329 | fi |
1330 | ||
3cae5780 | 1331 | # If we have nm and objdump in the build tree, make a link to them. |
75bffa71 | 1332 | if test -f ../binutils/Makefile; then |
4b95eb49 | 1333 | rm -f nm; $symbolic_link ../binutils/nm-new$host_exeext nm$host_exeext 2>/dev/null |
3cae5780 | 1334 | rm -f objdump; $symbolic_link ../binutils/objdump$host_exeext objdump$host_exeext 2>/dev/null |
4b95eb49 JL |
1335 | fi |
1336 | ||
af5e4ada | 1337 | # If we have ld in the build tree, make a link to it. |
75bffa71 | 1338 | if test -f ../ld/Makefile; then |
2cc07db4 | 1339 | rm -f collect-ld; $symbolic_link ../ld/ld-new$host_exeext collect-ld$host_exeext 2>/dev/null |
af5e4ada DE |
1340 | fi |
1341 | ||
981d4858 JM |
1342 | # Figure out what assembler we will be using. |
1343 | AC_MSG_CHECKING(what assembler to use) | |
9e423e6d | 1344 | gcc_cv_as= |
981d4858 JM |
1345 | gcc_cv_gas_major_version= |
1346 | gcc_cv_gas_minor_version= | |
a2f319ea | 1347 | gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/gas |
0936a455 | 1348 | gcc_cv_as_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd |
3ccc3a56 AO |
1349 | if test -x "$DEFAULT_ASSEMBLER"; then |
1350 | gcc_cv_as="$DEFAULT_ASSEMBLER" | |
1351 | elif test -x "$AS"; then | |
1352 | gcc_cv_as="$AS" | |
ab339d62 | 1353 | elif test -x as$host_exeext; then |
9e423e6d JW |
1354 | # Build using assembler in the current directory. |
1355 | gcc_cv_as=./as$host_exeext | |
5585c1bc | 1356 | elif test -f $gcc_cv_as_gas_srcdir/configure.in -a -f ../gas/Makefile; then |
9e423e6d | 1357 | # Single tree build which includes gas. |
0936a455 | 1358 | for f in $gcc_cv_as_bfd_srcdir/configure $gcc_cv_as_gas_srcdir/configure $gcc_cv_as_gas_srcdir/configure.in $gcc_cv_as_gas_srcdir/Makefile.in |
9e423e6d | 1359 | do |
75bffa71 ILT |
1360 | changequote(,)dnl |
1361 | gcc_cv_gas_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f` | |
1362 | changequote([,])dnl | |
1363 | if test x$gcc_cv_gas_version != x; then | |
9e423e6d JW |
1364 | break |
1365 | fi | |
1366 | done | |
75bffa71 ILT |
1367 | changequote(,)dnl |
1368 | gcc_cv_gas_major_version=`expr "$gcc_cv_gas_version" : "VERSION=\([0-9]*\)"` | |
1369 | gcc_cv_gas_minor_version=`expr "$gcc_cv_gas_version" : "VERSION=[0-9]*\.\([0-9]*\)"` | |
c72931a6 | 1370 | gcc_cv_gas_patch_version=`expr "$gcc_cv_gas_version" : "VERSION=[0-9]*\.[0-9]*\.\([0-9]*\)"` |
75bffa71 | 1371 | changequote([,])dnl |
981d4858 JM |
1372 | fi |
1373 | ||
534d0cc0 | 1374 | if test "x$gcc_cv_as" = x; then |
779243f7 JL |
1375 | # Search the same directories that the installed compiler will |
1376 | # search. Else we may find the wrong assembler and lose. If we | |
1377 | # do not find a suitable assembler binary, then try the user's | |
1378 | # path. | |
1379 | # | |
1380 | # Also note we have to check MD_EXEC_PREFIX before checking the | |
1381 | # user's path. Unfortunately, there is no good way to get at the | |
1382 | # value of MD_EXEC_PREFIX here. So we do a brute force search | |
1383 | # through all the known MD_EXEC_PREFIX values. Ugh. This needs | |
1384 | # to be fixed as part of the make/configure rewrite too. | |
1385 | ||
1386 | if test "x$exec_prefix" = xNONE; then | |
1387 | if test "x$prefix" = xNONE; then | |
1388 | test_prefix=/usr/local | |
1389 | else | |
1390 | test_prefix=$prefix | |
1391 | fi | |
1392 | else | |
1393 | test_prefix=$exec_prefix | |
1394 | fi | |
1395 | ||
1396 | # If the loop below does not find an assembler, then use whatever | |
1397 | # one we can find in the users's path. | |
1398 | # user's path. | |
55a2ea2a AM |
1399 | if test "x$program_prefix" != xNONE; then |
1400 | gcc_cv_as=${program_prefix}as$host_exeext | |
1401 | else | |
1402 | gcc_cv_as=`echo as | sed ${program_transform_name}`$host_exeext | |
1403 | fi | |
1404 | ||
1405 | test_dirs="$test_prefix/lib/gcc-lib/$target_alias/$gcc_version \ | |
1406 | $test_prefix/lib/gcc-lib/$target_alias \ | |
1407 | /usr/lib/gcc/$target_alias/$gcc_version \ | |
1408 | /usr/lib/gcc/$target_alias \ | |
1409 | $test_prefix/$target_alias/bin/$target_alias/$gcc_version \ | |
1410 | $test_prefix/$target_alias/bin" | |
1411 | ||
1412 | if test x$host = x$target; then | |
1413 | test_dirs="$test_dirs \ | |
779243f7 JL |
1414 | /usr/libexec \ |
1415 | /usr/ccs/gcc \ | |
1416 | /usr/ccs/bin \ | |
1417 | /udk/usr/ccs/bin \ | |
1418 | /bsd43/usr/lib/cmplrs/cc \ | |
1419 | /usr/cross64/usr/bin \ | |
1420 | /usr/lib/cmplrs/cc \ | |
1421 | /sysv/usr/lib/cmplrs/cc \ | |
1422 | /svr4/usr/lib/cmplrs/cc \ | |
1423 | /usr/bin" | |
55a2ea2a | 1424 | fi |
779243f7 JL |
1425 | |
1426 | for dir in $test_dirs; do | |
55a2ea2a | 1427 | if test -x $dir/as$host_exeext; then |
779243f7 JL |
1428 | gcc_cv_as=$dir/as$host_exeext |
1429 | break; | |
1430 | fi | |
1431 | done | |
9e423e6d | 1432 | fi |
981d4858 JM |
1433 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then |
1434 | AC_MSG_RESULT("newly built gas") | |
1435 | else | |
1436 | AC_MSG_RESULT($gcc_cv_as) | |
1437 | fi | |
1438 | ||
275b60d6 JJ |
1439 | # Figure out what linker we will be using. |
1440 | AC_MSG_CHECKING(what linker to use) | |
1441 | gcc_cv_ld= | |
1442 | gcc_cv_gld_major_version= | |
1443 | gcc_cv_gld_minor_version= | |
1444 | gcc_cv_ld_gld_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/ld | |
1445 | gcc_cv_ld_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd | |
1446 | if test -x "$DEFAULT_LINKER"; then | |
1447 | gcc_cv_ld="$DEFAULT_LINKER" | |
1448 | elif test -x "$LD"; then | |
1449 | gcc_cv_ld="$LD" | |
1450 | elif test -x ld$host_exeext; then | |
1451 | # Build using linker in the current directory. | |
1452 | gcc_cv_ld=./ld$host_exeext | |
1453 | elif test -f $gcc_cv_ld_gld_srcdir/configure.in -a -f ../ld/Makefile; then | |
1454 | # Single tree build which includes ld. | |
1455 | 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 | |
1456 | do | |
1457 | changequote(,)dnl | |
1458 | gcc_cv_gld_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f` | |
1459 | changequote([,])dnl | |
1460 | if test x$gcc_cv_gld_version != x; then | |
1461 | break | |
1462 | fi | |
1463 | done | |
1464 | changequote(,)dnl | |
1465 | gcc_cv_gld_major_version=`expr "$gcc_cv_gld_version" : "VERSION=\([0-9]*\)"` | |
1466 | gcc_cv_gld_minor_version=`expr "$gcc_cv_gld_version" : "VERSION=[0-9]*\.\([0-9]*\)"` | |
1467 | changequote([,])dnl | |
1468 | fi | |
1469 | ||
534d0cc0 | 1470 | if test "x$gcc_cv_ld" = x; then |
275b60d6 JJ |
1471 | # Search the same directories that the installed compiler will |
1472 | # search. Else we may find the wrong linker and lose. If we | |
1473 | # do not find a suitable linker binary, then try the user's | |
1474 | # path. | |
1475 | # | |
1476 | # Also note we have to check MD_EXEC_PREFIX before checking the | |
1477 | # user's path. Unfortunately, there is no good way to get at the | |
1478 | # value of MD_EXEC_PREFIX here. So we do a brute force search | |
1479 | # through all the known MD_EXEC_PREFIX values. Ugh. This needs | |
1480 | # to be fixed as part of the make/configure rewrite too. | |
1481 | ||
1482 | if test "x$exec_prefix" = xNONE; then | |
1483 | if test "x$prefix" = xNONE; then | |
1484 | test_prefix=/usr/local | |
1485 | else | |
1486 | test_prefix=$prefix | |
1487 | fi | |
1488 | else | |
1489 | test_prefix=$exec_prefix | |
1490 | fi | |
1491 | ||
1492 | # If the loop below does not find an linker, then use whatever | |
1493 | # one we can find in the users's path. | |
1494 | # user's path. | |
55a2ea2a AM |
1495 | if test "x$program_prefix" != xNONE; then |
1496 | gcc_cv_ld=${program_prefix}ld$host_exeext | |
1497 | else | |
1498 | gcc_cv_ld=`echo ld | sed ${program_transform_name}`$host_exeext | |
1499 | fi | |
1500 | ||
1501 | test_dirs="$test_prefix/lib/gcc-lib/$target_alias/$gcc_version \ | |
1502 | $test_prefix/lib/gcc-lib/$target_alias \ | |
1503 | /usr/lib/gcc/$target_alias/$gcc_version \ | |
1504 | /usr/lib/gcc/$target_alias \ | |
1505 | $test_prefix/$target_alias/bin/$target_alias/$gcc_version \ | |
1506 | $test_prefix/$target_alias/bin" | |
1507 | ||
1508 | if test x$host = x$target; then | |
1509 | test_dirs="$test_dirs \ | |
275b60d6 JJ |
1510 | /usr/libexec \ |
1511 | /usr/ccs/gcc \ | |
1512 | /usr/ccs/bin \ | |
1513 | /udk/usr/ccs/bin \ | |
1514 | /bsd43/usr/lib/cmplrs/cc \ | |
1515 | /usr/cross64/usr/bin \ | |
1516 | /usr/lib/cmplrs/cc \ | |
1517 | /sysv/usr/lib/cmplrs/cc \ | |
1518 | /svr4/usr/lib/cmplrs/cc \ | |
1519 | /usr/bin" | |
55a2ea2a | 1520 | fi |
275b60d6 JJ |
1521 | |
1522 | for dir in $test_dirs; do | |
55a2ea2a | 1523 | if test -x $dir/ld$host_exeext; then |
275b60d6 JJ |
1524 | gcc_cv_ld=$dir/ld$host_exeext |
1525 | break; | |
1526 | fi | |
1527 | done | |
1528 | fi | |
1529 | if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then | |
1530 | AC_MSG_RESULT("newly built ld") | |
1531 | else | |
1532 | AC_MSG_RESULT($gcc_cv_ld) | |
1533 | fi | |
1534 | ||
981d4858 JM |
1535 | # Figure out what nm we will be using. |
1536 | AC_MSG_CHECKING(what nm to use) | |
1537 | if test -x nm$host_exeext; then | |
1538 | gcc_cv_nm=./nm$host_exeext | |
534d0cc0 AM |
1539 | elif test "x$program_prefix" != xNONE; then |
1540 | gcc_cv_nm=${program_prefix}nm$host_exeext | |
1541 | else | |
1542 | gcc_cv_nm=`echo nm | sed ${program_transform_name}`$host_exeext | |
981d4858 JM |
1543 | fi |
1544 | AC_MSG_RESULT($gcc_cv_nm) | |
1545 | ||
3cae5780 AS |
1546 | # Figure out what objdump we will be using. |
1547 | AC_MSG_CHECKING(what objdump to use) | |
1548 | if test -x objdump$host_exeext; then | |
1549 | gcc_cv_objdump=./objdump$host_exeext | |
534d0cc0 AM |
1550 | elif test "x$program_prefix" != xNONE; then |
1551 | gcc_cv_objdump=${program_prefix}objdump$host_exeext | |
1552 | else | |
1553 | gcc_cv_objdump=`echo objdump | sed ${program_transform_name}`$host_exeext | |
3cae5780 AS |
1554 | fi |
1555 | AC_MSG_RESULT($gcc_cv_objdump) | |
1556 | ||
981d4858 JM |
1557 | # Figure out what assembler alignment features are present. |
1558 | AC_MSG_CHECKING(assembler alignment features) | |
9d147085 | 1559 | gcc_cv_as_alignment_features=none |
981d4858 JM |
1560 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then |
1561 | # Gas version 2.6 and later support for .balign and .p2align. | |
1562 | # bytes to skip when using .p2align. | |
1563 | if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 6 -o "$gcc_cv_gas_major_version" -gt 2; then | |
1564 | gcc_cv_as_alignment_features=".balign and .p2align" | |
1565 | AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN) | |
1566 | fi | |
1567 | # Gas version 2.8 and later support specifying the maximum | |
1568 | # bytes to skip when using .p2align. | |
1569 | if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 8 -o "$gcc_cv_gas_major_version" -gt 2; then | |
1570 | gcc_cv_as_alignment_features=".p2align including maximum skip" | |
1571 | AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN) | |
1572 | fi | |
1573 | elif test x$gcc_cv_as != x; then | |
00ccc16d JL |
1574 | # Check if we have .balign and .p2align |
1575 | echo ".balign 4" > conftest.s | |
1576 | echo ".p2align 2" >> conftest.s | |
1577 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
1578 | gcc_cv_as_alignment_features=".balign and .p2align" | |
1579 | AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN) | |
1580 | fi | |
1581 | rm -f conftest.s conftest.o | |
9e423e6d JW |
1582 | # Check if specifying the maximum bytes to skip when |
1583 | # using .p2align is supported. | |
1584 | echo ".p2align 4,,7" > conftest.s | |
1585 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
1586 | gcc_cv_as_alignment_features=".p2align including maximum skip" | |
1587 | AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN) | |
1588 | fi | |
1589 | rm -f conftest.s conftest.o | |
1590 | fi | |
1591 | AC_MSG_RESULT($gcc_cv_as_alignment_features) | |
1592 | ||
d1accaa3 | 1593 | AC_MSG_CHECKING(assembler subsection support) |
9d147085 | 1594 | gcc_cv_as_subsections=no |
981d4858 JM |
1595 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then |
1596 | if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then | |
1597 | gcc_cv_as_subsections="working .subsection -1" | |
1598 | fi | |
1599 | elif test x$gcc_cv_as != x; then | |
d1accaa3 JJ |
1600 | # Check if we have .subsection |
1601 | echo ".subsection 1" > conftest.s | |
1602 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
1603 | gcc_cv_as_subsections=".subsection" | |
d1accaa3 JJ |
1604 | if test x$gcc_cv_nm != x; then |
1605 | cat > conftest.s <<EOF | |
1606 | conftest_label1: .word 0 | |
1607 | .subsection -1 | |
1608 | conftest_label2: .word 0 | |
1609 | .previous | |
1610 | EOF | |
1611 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
1612 | $gcc_cv_nm conftest.o | grep conftest_label1 > conftest.nm1 | |
1613 | $gcc_cv_nm conftest.o | grep conftest_label2 | sed -e 's/label2/label1/' > conftest.nm2 | |
1b015bec AO |
1614 | if cmp conftest.nm1 conftest.nm2 > /dev/null 2>&1; then |
1615 | : | |
1616 | else | |
d1accaa3 | 1617 | gcc_cv_as_subsections="working .subsection -1" |
d1accaa3 JJ |
1618 | fi |
1619 | fi | |
1620 | fi | |
1621 | fi | |
1622 | rm -f conftest.s conftest.o conftest.nm1 conftest.nm2 | |
1623 | fi | |
981d4858 JM |
1624 | if test x"$gcc_cv_as_subsections" = x"working .subsection -1"; then |
1625 | AC_DEFINE(HAVE_GAS_SUBSECTION_ORDERING, 1, | |
1626 | [Define if your assembler supports .subsection and .subsection -1 starts | |
1627 | emitting at the beginning of your section.]) | |
1628 | fi | |
d1accaa3 JJ |
1629 | AC_MSG_RESULT($gcc_cv_as_subsections) |
1630 | ||
12822146 | 1631 | AC_MSG_CHECKING(assembler weak support) |
9d147085 | 1632 | gcc_cv_as_weak=no |
981d4858 JM |
1633 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then |
1634 | if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 2 -o "$gcc_cv_gas_major_version" -gt 2; then | |
1635 | gcc_cv_as_weak="yes" | |
1636 | fi | |
1637 | elif test x$gcc_cv_as != x; then | |
12822146 JL |
1638 | # Check if we have .weak |
1639 | echo " .weak foobar" > conftest.s | |
1640 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
12822146 JL |
1641 | gcc_cv_as_weak="yes" |
1642 | fi | |
1643 | rm -f conftest.s conftest.o conftest.nm1 conftest.nm2 | |
1644 | fi | |
981d4858 JM |
1645 | if test x"$gcc_cv_as_weak" = xyes; then |
1646 | AC_DEFINE(HAVE_GAS_WEAK, 1, [Define if your assembler supports .weak.]) | |
1647 | fi | |
12822146 JL |
1648 | AC_MSG_RESULT($gcc_cv_as_weak) |
1649 | ||
6a9c5260 | 1650 | AC_MSG_CHECKING(assembler hidden support) |
9d147085 | 1651 | gcc_cv_as_hidden=no |
981d4858 | 1652 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then |
c72931a6 RH |
1653 | if test "$gcc_cv_gas_major_version" -eq 2 \ |
1654 | -a "$gcc_cv_gas_minor_version" -eq 12 \ | |
1655 | -a "$gcc_cv_gas_patch_version" -ge 1 \ | |
1656 | -o "$gcc_cv_gas_major_version" -eq 2 \ | |
1657 | -a "$gcc_cv_gas_minor_version" -gt 12 \ | |
1658 | -o "$gcc_cv_gas_major_version" -gt 2 \ | |
1659 | && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then | |
981d4858 JM |
1660 | gcc_cv_as_hidden="yes" |
1661 | fi | |
1662 | elif test x$gcc_cv_as != x; then | |
6a9c5260 UD |
1663 | # Check if we have .hidden |
1664 | echo " .hidden foobar" > conftest.s | |
1665 | echo "foobar:" >> conftest.s | |
1666 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
6a9c5260 UD |
1667 | gcc_cv_as_hidden="yes" |
1668 | fi | |
1669 | rm -f conftest.s conftest.o conftest.nm1 conftest.nm2 | |
c72931a6 RH |
1670 | |
1671 | # GNU LD versions before 2.12.1 have buggy support for STV_HIDDEN. | |
1672 | # This is irritatingly difficult to feature test for. Look for | |
1673 | # the date string after the version number. | |
1674 | ld_ver=`$gcc_cv_ld --version 2>/dev/null | head -1` | |
1675 | if echo "$ld_ver" | grep GNU > /dev/null; then | |
1676 | changequote(,)dnl | |
4832c9e1 JJ |
1677 | ld_vers=`echo $ld_ver | sed -n 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\(\|\.[0-9][0-9]*\)\)\([ ].*\|\)$,\1,p'` |
1678 | ld_date=`echo $ld_ver | sed -n 's,^.*\([2-9][0-9][0-9][0-9]\)[-]*\([01][0-9]\)[-]*\([0-3][0-9]\).*$,\1\2\3,p'` | |
c72931a6 | 1679 | if test 0"$ld_date" -lt 20020404; then |
4832c9e1 JJ |
1680 | if test -n "$ld_date"; then |
1681 | # If there was date string, but was earlier than 2002-04-04, fail | |
1682 | gcc_cv_as_hidden="no" | |
1683 | elif test -z "$ld_vers"; then | |
1684 | # If there was no date string nor ld version number, something is wrong | |
1685 | gcc_cv_as_hidden="no" | |
1686 | else | |
1687 | ld_vers_major=`expr "$ld_vers" : '\([0-9]*\)'` | |
1688 | ld_vers_minor=`expr "$ld_vers" : '[0-9]*\.\([0-9]*\)'` | |
1689 | ld_vers_patch=`expr "$ld_vers" : '[0-9]*\.[0-9]*\.\([0-9]*\)'` | |
1690 | test -z "$ld_vers_patch" && ld_vers_patch=0 | |
1691 | if test "$ld_vers_major" -lt 2; then | |
1692 | gcc_cv_as_hidden="no" | |
1693 | elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -lt 12; then | |
1694 | gcc_cv_as_hidden="no" | |
1695 | elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -eq 12 \ | |
1696 | -a "$ld_vers_patch" -eq 0; then | |
1697 | gcc_cv_as_hidden="no" | |
1698 | fi | |
1699 | fi | |
c72931a6 | 1700 | fi |
4832c9e1 | 1701 | changequote([,])dnl |
c72931a6 | 1702 | fi |
6a9c5260 | 1703 | fi |
981d4858 JM |
1704 | if test x"$gcc_cv_as_hidden" = xyes; then |
1705 | AC_DEFINE(HAVE_GAS_HIDDEN, 1, | |
1706 | [Define if your assembler supports .hidden.]) | |
1707 | fi | |
6a9c5260 | 1708 | AC_MSG_RESULT($gcc_cv_as_hidden) |
9e944a16 | 1709 | libgcc_visibility=$gcc_cv_as_hidden |
789b7de5 | 1710 | case "$target" in |
027faee7 | 1711 | mips-sgi-irix6*) |
789b7de5 RO |
1712 | if test x"$gnu_ld_flag" = x"no"; then |
1713 | # Even if using gas with .hidden support, the resulting object files | |
027faee7 AO |
1714 | # cannot be linked with the IRIX 6 O32 linker. With the N32 and |
1715 | # N64 linkers, the problem is that the linker refuses to accept | |
1716 | # -call_shared (passed by default to the linker) and -r (used to | |
1717 | # link the object file generated without .hidden directives with | |
1718 | # one that hides symbols), so we also lose. | |
789b7de5 RO |
1719 | libgcc_visibility=no |
1720 | fi | |
1721 | ;; | |
1722 | esac | |
9e944a16 | 1723 | AC_SUBST(libgcc_visibility) |
6a9c5260 | 1724 | |
b7460f24 | 1725 | AC_MSG_CHECKING(assembler leb128 support) |
fbe42b1b | 1726 | gcc_cv_as_leb128=no |
b7460f24 | 1727 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then |
fbe42b1b | 1728 | if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 11 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then |
b7460f24 RH |
1729 | gcc_cv_as_leb128="yes" |
1730 | fi | |
1731 | elif test x$gcc_cv_as != x; then | |
1732 | # Check if we have .[us]leb128, and support symbol arithmetic with it. | |
1733 | cat > conftest.s <<EOF | |
1734 | .data | |
1735 | .uleb128 L2 - L1 | |
1736 | L1: | |
1737 | .uleb128 1280 | |
1738 | .sleb128 -1010 | |
1739 | L2: | |
1740 | EOF | |
1741 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
78e766a0 RH |
1742 | gcc_cv_as_leb128="yes" |
1743 | ||
1744 | # GAS versions before 2.11 do not support uleb128, | |
1745 | # despite appearing to. | |
1746 | # ??? There exists an elf-specific test that will crash | |
1747 | # the assembler. Perhaps it's better to figure out whether | |
1748 | # arbitrary sections are supported and try the test. | |
1749 | as_ver=`$gcc_cv_as --version 2>/dev/null | head -1` | |
1750 | if echo "$as_ver" | grep GNU > /dev/null; then | |
78e766a0 | 1751 | changequote(,)dnl |
5fed851d | 1752 | as_ver=`echo $as_ver | sed -e 's/GNU assembler \([0-9.][0-9.]*\).*/\1/'` |
0461a052 | 1753 | as_major=`echo $as_ver | sed 's/\..*//'` |
3d399d67 | 1754 | as_minor=`echo $as_ver | sed 's/[^.]*\.\([0-9]*\).*/\1/'` |
78e766a0 RH |
1755 | changequote([,])dnl |
1756 | if test $as_major -eq 2 -a $as_minor -lt 11; then | |
1757 | gcc_cv_as_leb128="no" | |
1758 | fi | |
fbe42b1b | 1759 | fi |
b7460f24 RH |
1760 | fi |
1761 | rm -f conftest.s conftest.o conftest.nm1 conftest.nm2 | |
1762 | fi | |
1763 | if test x"$gcc_cv_as_leb128" = xyes; then | |
1764 | AC_DEFINE(HAVE_AS_LEB128, 1, | |
1765 | [Define if your assembler supports .uleb128.]) | |
1766 | fi | |
1767 | AC_MSG_RESULT($gcc_cv_as_leb128) | |
1768 | ||
c64688ae RH |
1769 | AC_MSG_CHECKING(assembler eh_frame optimization) |
1770 | gcc_cv_as_eh_frame=no | |
1771 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then | |
1772 | if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 12 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then | |
1773 | gcc_cv_as_eh_frame="yes" | |
1774 | fi | |
1775 | elif test x$gcc_cv_as != x; then | |
1776 | # Check if this is GAS. | |
41948db5 SS |
1777 | as_ver=`$gcc_cv_as --version < /dev/null 2> /dev/null | head -1` |
1778 | rm -f a.out 2> /dev/null | |
c64688ae RH |
1779 | if echo "$as_ver" | grep GNU > /dev/null; then |
1780 | # Versions up to and including 2.11.0 may mis-optimize | |
1781 | # .eh_frame data. Try something. | |
1782 | cat > conftest.s <<EOF | |
1783 | .text | |
1784 | .LFB1: | |
1785 | .4byte 0 | |
1786 | .L1: | |
1787 | .4byte 0 | |
1788 | .LFE1: | |
1789 | .section .eh_frame,"aw",@progbits | |
1790 | __FRAME_BEGIN__: | |
1791 | .4byte .LECIE1-.LSCIE1 | |
1792 | .LSCIE1: | |
1793 | .4byte 0x0 | |
1794 | .byte 0x1 | |
1795 | .ascii "z\0" | |
1796 | .byte 0x1 | |
1797 | .byte 0x78 | |
1798 | .byte 0x1a | |
1799 | .byte 0x0 | |
1800 | .byte 0x4 | |
1801 | .4byte 1 | |
1802 | .p2align 1 | |
1803 | .LECIE1: | |
1804 | .LSFDE1: | |
1805 | .4byte .LEFDE1-.LASFDE1 | |
1806 | .LASFDE1: | |
1807 | .4byte .LASFDE1-__FRAME_BEGIN__ | |
1808 | .4byte .LFB1 | |
1809 | .4byte .LFE1-.LFB1 | |
1810 | .byte 0x4 | |
1811 | .4byte .LFE1-.LFB1 | |
1812 | .byte 0x4 | |
1813 | .4byte .L1-.LFB1 | |
1814 | .LEFDE1: | |
1815 | EOF | |
01efb963 | 1816 | cat > conftest.lit <<EOF |
c64688ae RH |
1817 | 0000 10000000 00000000 017a0001 781a0004 .........z..x... |
1818 | 0010 01000000 12000000 18000000 00000000 ................ | |
1819 | 0020 08000000 04080000 0044 .........D | |
01efb963 AS |
1820 | EOF |
1821 | cat > conftest.big <<EOF | |
1822 | 0000 00000010 00000000 017a0001 781a0004 .........z..x... | |
1823 | 0010 00000001 00000012 00000018 00000000 ................ | |
1824 | 0020 00000008 04000000 0844 .........D | |
c64688ae RH |
1825 | EOF |
1826 | # If the assembler didn't choke, and we can objdump, | |
1827 | # and we got the correct data, then succeed. | |
1828 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \ | |
3cae5780 | 1829 | && $gcc_cv_objdump -s -j .eh_frame conftest.o 2>/dev/null \ |
c64688ae | 1830 | | tail -3 > conftest.got \ |
01efb963 AS |
1831 | && { cmp conftest.lit conftest.got > /dev/null 2>&1 \ |
1832 | || cmp conftest.big conftest.got > /dev/null 2>&1; } | |
c64688ae RH |
1833 | then |
1834 | gcc_cv_as_eh_frame="yes" | |
1835 | else | |
1836 | gcc_cv_as_eh_frame="bad" | |
1837 | if $gcc_cv_as -o conftest.o --traditional-format /dev/null; then | |
1838 | AC_DEFINE(USE_AS_TRADITIONAL_FORMAT, 1, | |
1839 | [Define if your assembler mis-optimizes .eh_frame data.]) | |
1840 | fi | |
1841 | fi | |
1842 | fi | |
1843 | rm -f conftest.* | |
1844 | fi | |
1845 | AC_MSG_RESULT($gcc_cv_as_eh_frame) | |
1846 | ||
201556f0 JJ |
1847 | AC_MSG_CHECKING(assembler section merging support) |
1848 | gcc_cv_as_shf_merge=no | |
1849 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then | |
1850 | if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 12 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then | |
a8b7afb9 | 1851 | gcc_cv_as_shf_merge=yes |
201556f0 JJ |
1852 | fi |
1853 | elif test x$gcc_cv_as != x; then | |
1854 | # Check if we support SHF_MERGE sections | |
1855 | echo '.section .rodata.str, "aMS", @progbits, 1' > conftest.s | |
a8b7afb9 | 1856 | if $gcc_cv_as --fatal-warnings -o conftest.o conftest.s > /dev/null 2>&1; then |
201556f0 JJ |
1857 | gcc_cv_as_shf_merge=yes |
1858 | fi | |
1859 | rm -f conftest.s conftest.o | |
1860 | fi | |
1861 | if test x"$gcc_cv_as_shf_merge" = xyes; then | |
1862 | AC_DEFINE(HAVE_GAS_SHF_MERGE, 1, | |
1863 | [Define if your assembler supports marking sections with SHF_MERGE flag.]) | |
1864 | fi | |
1865 | AC_MSG_RESULT($gcc_cv_as_shf_merge) | |
1866 | ||
f996902d RH |
1867 | AC_MSG_CHECKING(assembler thread-local storage support) |
1868 | gcc_cv_as_tls=no | |
1869 | conftest_s= | |
1870 | tls_first_major= | |
1871 | tls_first_minor= | |
1872 | case "$target" in | |
1873 | changequote(,)dnl | |
6f9b006d RH |
1874 | alpha*-*-*) |
1875 | conftest_s=' | |
1876 | .section ".tdata","awT",@progbits | |
1877 | foo: .long 25 | |
1878 | .text | |
1879 | ldq $27,__tls_get_addr($29) !literal!1 | |
1880 | lda $16,foo($29) !tlsgd!1 | |
1881 | jsr $26,($27),__tls_get_addr !lituse_tlsgd!1 | |
1882 | ldq $27,__tls_get_addr($29) !literal!2 | |
1883 | lda $16,foo($29) !tlsldm!2 | |
1884 | jsr $26,($27),__tls_get_addr !lituse_tlsldm!2 | |
1885 | ldq $1,foo($29) !gotdtprel | |
1886 | ldah $2,foo($29) !dtprelhi | |
1887 | lda $3,foo($2) !dtprello | |
1888 | lda $4,foo($29) !dtprel | |
1889 | ldq $1,foo($29) !gottprel | |
1890 | ldah $2,foo($29) !tprelhi | |
1891 | lda $3,foo($2) !tprello | |
1892 | lda $4,foo($29) !tprel' | |
1893 | tls_first_major=2 | |
1894 | tls_first_minor=13 | |
1895 | ;; | |
f996902d RH |
1896 | i[34567]86-*-*) |
1897 | changequote([,])dnl | |
1898 | conftest_s=' | |
1899 | .section ".tdata","awT",@progbits | |
1900 | foo: .long 25 | |
1901 | .text | |
1902 | movl %gs:0, %eax | |
1903 | leal foo@TLSGD(,%ebx,1), %eax | |
1904 | leal foo@TLSLDM(%ebx), %eax | |
1905 | leal foo@DTPOFF(%eax), %edx | |
1906 | movl foo@GOTTPOFF(%ebx), %eax | |
1907 | subl foo@GOTTPOFF(%ebx), %eax | |
75d38379 JJ |
1908 | addl foo@GOTNTPOFF(%ebx), %eax |
1909 | movl foo@INDNTPOFF, %eax | |
f996902d RH |
1910 | movl $foo@TPOFF, %eax |
1911 | subl $foo@TPOFF, %eax | |
1912 | leal foo@NTPOFF(%ecx), %eax' | |
1913 | tls_first_major=2 | |
75d38379 JJ |
1914 | tls_first_minor=14 |
1915 | ;; | |
1916 | x86_64-*-*) | |
1917 | conftest_s=' | |
1918 | .section ".tdata","awT",@progbits | |
1919 | foo: .long 25 | |
1920 | .text | |
1921 | movq %fs:0, %rax | |
1922 | leaq foo@TLSGD(%rip), %rdi | |
1923 | leaq foo@TLSLD(%rip), %rdi | |
1924 | leaq foo@DTPOFF(%rax), %rdx | |
1925 | movq foo@GOTTPOFF(%rip), %rax | |
1926 | movq $foo@TPOFF, %rax' | |
1927 | tls_first_major=2 | |
1928 | tls_first_minor=14 | |
f996902d | 1929 | ;; |
7b6e506e RH |
1930 | ia64-*-*) |
1931 | conftest_s=' | |
1932 | .section ".tdata","awT",@progbits | |
1933 | foo: data8 25 | |
1934 | .text | |
1935 | addl r16 = @ltoff(@dtpmod(foo#)), gp | |
1936 | addl r17 = @ltoff(@dtprel(foo#)), gp | |
1937 | addl r18 = @ltoff(@tprel(foo#)), gp | |
1938 | addl r19 = @dtprel(foo#), gp | |
1939 | adds r21 = @dtprel(foo#), r13 | |
1940 | movl r23 = @dtprel(foo#) | |
1941 | addl r20 = @tprel(foo#), gp | |
1942 | adds r22 = @tprel(foo#), r13 | |
1943 | movl r24 = @tprel(foo#)' | |
1944 | tls_first_major=2 | |
1945 | tls_first_minor=13 | |
1946 | ;; | |
f996902d RH |
1947 | esac |
1948 | if test -z "$tls_first_major"; then | |
1949 | : | |
1950 | elif test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x | |
1951 | then | |
1952 | if test "$gcc_cv_gas_major_version" -eq "$tls_first_major" \ | |
1953 | -a "$gcc_cv_gas_minor_version" -ge "$tls_first_minor" \ | |
1954 | -o "$gcc_cv_gas_major_version" -gt "$tls_first_major"; then | |
1955 | gcc_cv_as_tls=yes | |
1956 | fi | |
1957 | elif test x$gcc_cv_as != x; then | |
1958 | echo "$conftest_s" > conftest.s | |
1959 | if $gcc_cv_as --fatal-warnings -o conftest.o conftest.s > /dev/null 2>&1 | |
1960 | then | |
1961 | gcc_cv_as_tls=yes | |
1962 | fi | |
1963 | rm -f conftest.s conftest.o | |
1964 | fi | |
1965 | if test "$gcc_cv_as_tls" = yes; then | |
1966 | AC_DEFINE(HAVE_AS_TLS, 1, | |
1967 | [Define if your assembler supports thread-local storage.]) | |
1968 | fi | |
1969 | AC_MSG_RESULT($gcc_cv_as_tls) | |
1970 | ||
275b60d6 | 1971 | case "$target" in |
3a37b08e RH |
1972 | # All TARGET_ABI_OSF targets. |
1973 | alpha*-*-osf* | alpha*-*-linux* | alpha*-*-*bsd*) | |
1974 | AC_CACHE_CHECK([assembler supports explicit relocations], | |
1975 | gcc_cv_as_explicit_relocs, [ | |
1976 | gcc_cv_as_explicit_relocs=unknown | |
1977 | if test x$gcc_cv_gas_major_version != x \ | |
1978 | -a x$gcc_cv_gas_minor_version != x | |
1979 | then | |
1980 | if test "$gcc_cv_gas_major_version" -eq 2 \ | |
1981 | -a "$gcc_cv_gas_minor_version" -ge 12 \ | |
1982 | -o "$gcc_cv_gas_major_version" -gt 2; then | |
1983 | gcc_cv_as_explicit_relocs=yes | |
1984 | fi | |
1985 | elif test x$gcc_cv_as != x; then | |
1986 | cat > conftest.s << 'EOF' | |
1987 | .set nomacro | |
1988 | .text | |
1989 | extbl $3, $2, $3 !lituse_bytoff!1 | |
1990 | ldq $2, a($29) !literal!1 | |
1991 | ldq $4, b($29) !literal!2 | |
1992 | ldq_u $3, 0($2) !lituse_base!1 | |
1993 | ldq $27, f($29) !literal!5 | |
1994 | jsr $26, ($27), f !lituse_jsr!5 | |
1995 | ldah $29, 0($26) !gpdisp!3 | |
1996 | lda $0, c($29) !gprel | |
1997 | ldah $1, d($29) !gprelhigh | |
1998 | lda $1, d($1) !gprellow | |
1999 | lda $29, 0($29) !gpdisp!3 | |
2000 | EOF | |
2001 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
2002 | gcc_cv_as_explicit_relocs=yes | |
2003 | else | |
2004 | gcc_cv_as_explicit_relocs=no | |
2005 | fi | |
2006 | rm -f conftest.s conftest.o | |
2007 | fi | |
2008 | ]) | |
2009 | if test "x$gcc_cv_as_explicit_relocs" = xyes; then | |
2010 | AC_DEFINE(HAVE_AS_EXPLICIT_RELOCS, 1, | |
2011 | [Define if your assembler supports explicit relocations.]) | |
2012 | fi | |
2013 | ;; | |
1cb36a98 | 2014 | sparc*-*-*) |
5b68c389 AO |
2015 | AC_CACHE_CHECK([assembler .register pseudo-op support], |
2016 | gcc_cv_as_register_pseudo_op, [ | |
2017 | gcc_cv_as_register_pseudo_op=unknown | |
2018 | if test x$gcc_cv_as != x; then | |
2019 | # Check if we have .register | |
2020 | echo ".register %g2, #scratch" > conftest.s | |
2021 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
1cb36a98 | 2022 | gcc_cv_as_register_pseudo_op=yes |
5b68c389 AO |
2023 | else |
2024 | gcc_cv_as_register_pseudo_op=no | |
2025 | fi | |
2026 | rm -f conftest.s conftest.o | |
1cb36a98 | 2027 | fi |
5b68c389 AO |
2028 | ]) |
2029 | if test "x$gcc_cv_as_register_pseudo_op" = xyes; then | |
119d24d1 KG |
2030 | AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1, |
2031 | [Define if your assembler supports .register.]) | |
1cb36a98 | 2032 | fi |
1cb36a98 | 2033 | |
e95b1e6a JJ |
2034 | AC_CACHE_CHECK([assembler supports -relax], |
2035 | gcc_cv_as_relax_opt, [ | |
2036 | gcc_cv_as_relax_opt=unknown | |
2037 | if test x$gcc_cv_as != x; then | |
2038 | # Check if gas supports -relax | |
2039 | echo ".text" > conftest.s | |
2040 | if $gcc_cv_as -relax -o conftest.o conftest.s > /dev/null 2>&1; then | |
2041 | gcc_cv_as_relax_opt=yes | |
2042 | else | |
2043 | gcc_cv_as_relax_opt=no | |
2044 | fi | |
2045 | rm -f conftest.s conftest.o | |
2046 | fi | |
2047 | ]) | |
2048 | if test "x$gcc_cv_as_relax_opt" = xyes; then | |
2049 | AC_DEFINE(HAVE_AS_RELAX_OPTION, 1, | |
2050 | [Define if your assembler supports -relax option.]) | |
2051 | fi | |
2052 | ||
17e9e88c JJ |
2053 | AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs], |
2054 | gcc_cv_as_sparc_ua_pcrel, [ | |
2055 | gcc_cv_as_sparc_ua_pcrel=unknown | |
2056 | if test x$gcc_cv_as != x -a x$gcc_cv_ld != x; then | |
2057 | gcc_cv_as_sparc_ua_pcrel=no | |
2058 | echo ".text; foo: nop; .data; .align 4; .byte 0; .uaword %r_disp32(foo)" > conftest.s | |
cf7b8b0d JJ |
2059 | if $gcc_cv_as -K PIC -o conftest.o conftest.s > /dev/null 2>&1 \ |
2060 | && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1; then | |
2061 | gcc_cv_as_sparc_ua_pcrel=yes | |
17e9e88c JJ |
2062 | fi |
2063 | rm -f conftest.s conftest.o conftest | |
2064 | fi | |
2065 | ]) | |
2066 | if test "x$gcc_cv_as_sparc_ua_pcrel" = xyes; then | |
2067 | AC_DEFINE(HAVE_AS_SPARC_UA_PCREL, 1, | |
2068 | [Define if your assembler and linker support unaligned PC relative relocs.]) | |
2069 | fi | |
2070 | ||
cf7b8b0d JJ |
2071 | AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs against hidden symbols], |
2072 | gcc_cv_as_sparc_ua_pcrel_hidden, [ | |
2073 | if test "x$gcc_cv_as_sparc_ua_pcrel" = xyes; then | |
2074 | gcc_cv_as_sparc_ua_pcrel_hidden=unknown | |
2075 | if test x$gcc_cv_objdump != x; then | |
2076 | gcc_cv_as_sparc_ua_pcrel_hidden=no | |
2077 | echo ".data; .align 4; .byte 0x31; .uaword %r_disp32(foo)" > conftest.s | |
2078 | echo ".byte 0x32, 0x33, 0x34; .global foo; .hidden foo" >> conftest.s | |
2079 | echo "foo: .skip 4" >> conftest.s | |
2080 | if $gcc_cv_as -K PIC -o conftest.o conftest.s > /dev/null 2>&1 \ | |
2081 | && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1 \ | |
2082 | && $gcc_cv_objdump -s -j .data conftest 2> /dev/null \ | |
2083 | | grep ' 31000000 07323334' > /dev/null 2>&1; then | |
2084 | if $gcc_cv_objdump -R conftest 2> /dev/null \ | |
2085 | | grep 'DISP32' > /dev/null 2>&1; then | |
2086 | : | |
2087 | else | |
2088 | gcc_cv_as_sparc_ua_pcrel_hidden=yes | |
2089 | fi | |
2090 | fi | |
2091 | fi | |
2092 | rm -f conftest.s conftest.o conftest | |
2093 | else | |
2094 | gcc_cv_as_sparc_ua_pcrel_hidden="$gcc_cv_as_sparc_ua_pcrel" | |
2095 | fi | |
2096 | ]) | |
2097 | if test "x$gcc_cv_as_sparc_ua_pcrel_hidden" = xyes; then | |
2098 | AC_DEFINE(HAVE_AS_SPARC_UA_PCREL_HIDDEN, 1, | |
2099 | [Define if your assembler and linker support unaligned PC relative relocs against hidden symbols.]) | |
2100 | fi | |
2101 | ||
22252625 JJ |
2102 | AC_CACHE_CHECK([for assembler offsetable %lo() support], |
2103 | gcc_cv_as_offsetable_lo10, [ | |
2104 | gcc_cv_as_offsetable_lo10=unknown | |
2105 | if test "x$gcc_cv_as" != x; then | |
2106 | # Check if assembler has offsetable %lo() | |
2107 | echo "or %g1, %lo(ab) + 12, %g1" > conftest.s | |
2108 | echo "or %g1, %lo(ab + 12), %g1" > conftest1.s | |
2109 | if $gcc_cv_as -xarch=v9 -o conftest.o conftest.s \ | |
2110 | > /dev/null 2>&1 && | |
2111 | $gcc_cv_as -xarch=v9 -o conftest1.o conftest1.s \ | |
2112 | > /dev/null 2>&1; then | |
2113 | if cmp conftest.o conftest1.o > /dev/null 2>&1; then | |
5b68c389 | 2114 | gcc_cv_as_offsetable_lo10=no |
22252625 JJ |
2115 | else |
2116 | gcc_cv_as_offsetable_lo10=yes | |
1cb36a98 | 2117 | fi |
22252625 JJ |
2118 | else |
2119 | gcc_cv_as_offsetable_lo10=no | |
5b68c389 | 2120 | fi |
22252625 | 2121 | rm -f conftest.s conftest.o conftest1.s conftest1.o |
1cb36a98 | 2122 | fi |
22252625 JJ |
2123 | ]) |
2124 | if test "x$gcc_cv_as_offsetable_lo10" = xyes; then | |
2125 | AC_DEFINE(HAVE_AS_OFFSETABLE_LO10, 1, | |
2126 | [Define if your assembler supports offsetable %lo().]) | |
1cb36a98 | 2127 | fi |
cb65112a | 2128 | |
1cb36a98 RH |
2129 | ;; |
2130 | ||
2131 | changequote(,)dnl | |
c307e6dd | 2132 | i[34567]86-*-* | x86_64-*-*) |
1cb36a98 RH |
2133 | changequote([,])dnl |
2134 | AC_MSG_CHECKING(assembler instructions) | |
2135 | gcc_cv_as_instructions= | |
981d4858 JM |
2136 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then |
2137 | if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2; then | |
2138 | gcc_cv_as_instructions="filds fists" | |
2139 | fi | |
2140 | elif test x$gcc_cv_as != x; then | |
53b5ce19 JW |
2141 | set "filds fists" "filds mem; fists mem" |
2142 | while test $# -gt 0 | |
2143 | do | |
2144 | echo "$2" > conftest.s | |
2145 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
2146 | gcc_cv_as_instructions=${gcc_cv_as_instructions}$1" " | |
53b5ce19 JW |
2147 | fi |
2148 | shift 2 | |
2149 | done | |
2150 | rm -f conftest.s conftest.o | |
1cb36a98 | 2151 | fi |
981d4858 | 2152 | if test x"$gcc_cv_as_instructions" != x; then |
ee7692d2 | 2153 | AC_DEFINE_UNQUOTED(HAVE_GAS_`echo "$gcc_cv_as_instructions" | sed -e 's/ $//' | tr '[a-z ]' '[A-Z_]'`) |
981d4858 | 2154 | fi |
1cb36a98 | 2155 | AC_MSG_RESULT($gcc_cv_as_instructions) |
f88c65f7 RH |
2156 | |
2157 | AC_MSG_CHECKING(assembler GOTOFF in data directives) | |
2158 | gcc_cv_as_gotoff_in_data=no | |
2159 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x | |
2160 | then | |
2161 | if test "$gcc_cv_gas_major_version" -eq 2 \ | |
2162 | -a "$gcc_cv_gas_minor_version" -ge 11 \ | |
2163 | -o "$gcc_cv_gas_major_version" -gt 2; then | |
2164 | gcc_cv_as_gotoff_in_data=yes | |
2165 | fi | |
2166 | elif test x$gcc_cv_as != x; then | |
2167 | cat > conftest.s <<EOF | |
2168 | .text | |
2169 | .L0: | |
2170 | nop | |
2171 | .data | |
2172 | .long .L0@GOTOFF | |
2173 | EOF | |
2174 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
2175 | gcc_cv_as_gotoff_in_data=yes | |
2176 | fi | |
2177 | fi | |
2178 | AC_DEFINE_UNQUOTED(HAVE_AS_GOTOFF_IN_DATA, | |
2179 | [`if test $gcc_cv_as_gotoff_in_data = yes; then echo 1; else echo 0; fi`], | |
2180 | [Define true if the assembler supports '.long foo@GOTOFF'.]) | |
2181 | AC_MSG_RESULT($gcc_cv_as_gotoff_in_data) | |
1cb36a98 RH |
2182 | ;; |
2183 | esac | |
53b5ce19 | 2184 | |
9d147085 RH |
2185 | AC_MSG_CHECKING(assembler dwarf2 debug_line support) |
2186 | gcc_cv_as_dwarf2_debug_line=no | |
2187 | # ??? Not all targets support dwarf2 debug_line, even within a version | |
2188 | # of gas. Moreover, we need to emit a valid instruction to trigger any | |
2189 | # info to the output file. So, as supported targets are added to gas 2.11, | |
2190 | # add some instruction here to (also) show we expect this might work. | |
2191 | # ??? Once 2.11 is released, probably need to add first known working | |
2192 | # version to the per-target configury. | |
2193 | case "$target" in | |
80486e06 DJ |
2194 | i?86*-*-* | mips*-*-* | alpha*-*-* | powerpc*-*-* | sparc*-*-* | m68*-*-* \ |
2195 | | x86_64*-*-* | hppa*-*-* | arm*-*-* | strongarm*-*-* | xscale*-*-*) | |
9d147085 RH |
2196 | insn="nop" |
2197 | ;; | |
2198 | ia64*-*-*) | |
2199 | insn="nop 0" | |
2200 | ;; | |
2201 | esac | |
2202 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; | |
2203 | then | |
2204 | if test "$gcc_cv_gas_major_version" -eq 2 \ | |
2205 | -a "$gcc_cv_gas_minor_version" -ge 11 \ | |
2206 | -o "$gcc_cv_gas_major_version" -gt 2 \ | |
2207 | && grep 'obj_format = elf' ../gas/Makefile > /dev/null \ | |
2208 | && test x"$insn" != x ; then | |
2209 | gcc_cv_as_dwarf2_debug_line="yes" | |
2210 | fi | |
2211 | elif test x$gcc_cv_as != x -a x"$insn" != x ; then | |
acc187f5 RH |
2212 | echo ' .file 1 "conftest.s"' > conftest.s |
2213 | echo ' .loc 1 3 0' >> conftest.s | |
9d147085 | 2214 | echo " $insn" >> conftest.s |
981975b6 | 2215 | # ??? This fails with non-gnu grep. |
9d147085 RH |
2216 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \ |
2217 | && grep debug_line conftest.o > /dev/null 2>&1 ; then | |
981975b6 | 2218 | # The .debug_line file table must be in the exact order that |
eaec9b3d | 2219 | # we specified the files, since these indices are also used |
981975b6 RH |
2220 | # by DW_AT_decl_file. Approximate this test by testing if |
2221 | # the assembler bitches if the same index is assigned twice. | |
2222 | echo ' .file 1 "foo.s"' > conftest.s | |
2223 | echo ' .file 1 "bar.s"' >> conftest.s | |
2224 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 | |
2225 | then | |
2226 | gcc_cv_as_dwarf2_debug_line="no" | |
2227 | else | |
2228 | gcc_cv_as_dwarf2_debug_line="yes" | |
2229 | fi | |
9d147085 RH |
2230 | fi |
2231 | rm -f conftest.s conftest.o conftest.nm1 conftest.nm2 | |
2232 | fi | |
2233 | if test x"$gcc_cv_as_dwarf2_debug_line" = xyes; then | |
2234 | AC_DEFINE(HAVE_AS_DWARF2_DEBUG_LINE, 1, | |
981975b6 | 2235 | [Define if your assembler supports dwarf2 .file/.loc directives, |
eaec9b3d | 2236 | and preserves file table indices exactly as given.]) |
9d147085 RH |
2237 | fi |
2238 | AC_MSG_RESULT($gcc_cv_as_dwarf2_debug_line) | |
2239 | ||
5f0e9ea2 GK |
2240 | AC_MSG_CHECKING(assembler --gdwarf2 support) |
2241 | gcc_cv_as_gdwarf2_flag=no | |
2242 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; | |
2243 | then | |
2244 | if test "$gcc_cv_gas_major_version" -eq 2 \ | |
2245 | -a "$gcc_cv_gas_minor_version" -ge 11 \ | |
2246 | -o "$gcc_cv_gas_major_version" -gt 2 \ | |
2247 | && grep 'obj_format = elf' ../gas/Makefile > /dev/null \ | |
2248 | && test x"$insn" != x ; then | |
da77408f | 2249 | gcc_cv_as_gdwarf2_flag="yes" |
5f0e9ea2 GK |
2250 | fi |
2251 | elif test x$gcc_cv_as != x -a x"$insn" != x ; then | |
2252 | echo '' > conftest.s | |
2253 | # ??? This fails with non-gnu grep. | |
2254 | if $gcc_cv_as --gdwarf2 -o conftest.o conftest.s > /dev/null 2>&1 | |
2255 | then | |
2256 | gcc_cv_as_gdwarf2_flag="yes" | |
2257 | fi | |
2258 | rm -f conftest.s conftest.o | |
2259 | fi | |
2260 | if test x"$gcc_cv_as_gdwarf2_flag" = xyes; then | |
2261 | AC_DEFINE(HAVE_AS_GDWARF2_DEBUG_FLAG, 1, | |
2262 | [Define if your assembler supports the --gdwarf2 option.]) | |
2263 | fi | |
2264 | AC_MSG_RESULT($gcc_cv_as_gdwarf2_flag) | |
2265 | ||
2266 | AC_MSG_CHECKING(assembler --gstabs support) | |
2267 | gcc_cv_as_gstabs_flag=no | |
2268 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; | |
2269 | then | |
2270 | if test "$gcc_cv_gas_major_version" -eq 2 \ | |
2271 | -a "$gcc_cv_gas_minor_version" -ge 11 \ | |
2272 | -o "$gcc_cv_gas_major_version" -gt 2 \ | |
2273 | && grep 'obj_format = elf' ../gas/Makefile > /dev/null \ | |
2274 | && test x"$insn" != x ; then | |
da77408f | 2275 | gcc_cv_as_gstabs_flag="yes" |
5f0e9ea2 GK |
2276 | fi |
2277 | elif test x$gcc_cv_as != x -a x"$insn" != x ; then | |
2278 | echo '' > conftest.s | |
2279 | # ??? This fails with non-gnu grep. | |
2280 | if $gcc_cv_as --gstabs -o conftest.o conftest.s > /dev/null 2>&1 ; then | |
2281 | gcc_cv_as_gstabs_flag="yes" | |
2282 | fi | |
2283 | rm -f conftest.s conftest.o | |
2284 | fi | |
2285 | if test x"$gcc_cv_as_gstabs_flag" = xyes; then | |
2286 | AC_DEFINE(HAVE_AS_GSTABS_DEBUG_FLAG, 1, | |
2287 | [Define if your assembler supports the --gstabs option.]) | |
2288 | fi | |
2289 | AC_MSG_RESULT($gcc_cv_as_gstabs_flag) | |
2290 | ||
96d0f4dc JJ |
2291 | AC_MSG_CHECKING(linker read-only and read-write section mixing) |
2292 | gcc_cv_ld_ro_rw_mix=unknown | |
2293 | if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then | |
2294 | if test "$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 | |
2295 | gcc_cv_ld_ro_rw_mix=read-write | |
2296 | fi | |
2297 | elif test x$gcc_cv_as != x -a x$gcc_cv_ld != x -a x$gcc_cv_objdump != x ; then | |
2298 | echo '.section "myfoosect", "a"' > conftest1.s | |
2299 | echo '.section "myfoosect", "aw"' > conftest2.s | |
2300 | echo '.byte 1' >> conftest2.s | |
2301 | echo '.section "myfoosect", "a"' > conftest3.s | |
2302 | echo '.byte 0' >> conftest3.s | |
6cd656d0 KC |
2303 | if $gcc_cv_as -o conftest1.o conftest1.s > /dev/null 2>&1 \ |
2304 | && $gcc_cv_as -o conftest2.o conftest2.s > /dev/null 2>&1 \ | |
2305 | && $gcc_cv_as -o conftest3.o conftest3.s > /dev/null 2>&1 \ | |
96d0f4dc JJ |
2306 | && $gcc_cv_ld -shared -o conftest1.so conftest1.o \ |
2307 | conftest2.o conftest3.o; then | |
2308 | gcc_cv_ld_ro_rw_mix=`$gcc_cv_objdump -h conftest1.so \ | |
2309 | | grep -A1 myfoosect` | |
2310 | if echo "$gcc_cv_ld_ro_rw_mix" | grep CONTENTS > /dev/null; then | |
2311 | if echo "$gcc_cv_ld_ro_rw_mix" | grep READONLY > /dev/null; then | |
2312 | gcc_cv_ld_ro_rw_mix=read-only | |
2313 | else | |
2314 | gcc_cv_ld_ro_rw_mix=read-write | |
2315 | fi | |
2316 | fi | |
2317 | fi | |
2318 | changequote(,)dnl | |
2319 | rm -f conftest.* conftest[123].* | |
2320 | changequote([,])dnl | |
2321 | fi | |
2322 | if test x$gcc_cv_ld_ro_rw_mix = xread-write; then | |
2323 | AC_DEFINE(HAVE_LD_RO_RW_SECTION_MIXING, 1, | |
2324 | [Define if your linker links a mix of read-only | |
2325 | and read-write sections into a read-write section.]) | |
2326 | fi | |
2327 | AC_MSG_RESULT($gcc_cv_ld_ro_rw_mix) | |
2328 | ||
275b60d6 JJ |
2329 | AC_MSG_CHECKING(linker PT_GNU_EH_FRAME support) |
2330 | gcc_cv_ld_eh_frame_hdr=no | |
2331 | if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then | |
2332 | if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 12 -o "$gcc_cv_gld_major_version" -gt 2 && grep 'EMUL = elf' ../ld/Makefile > /dev/null; then | |
2333 | gcc_cv_ld_eh_frame_hdr=yes | |
2334 | fi | |
2335 | elif test x$gcc_cv_ld != x; then | |
2336 | # Check if linker supports --eh-frame-hdr option | |
2337 | if $gcc_cv_ld --help 2>/dev/null | grep eh-frame-hdr > /dev/null; then | |
2338 | gcc_cv_ld_eh_frame_hdr=yes | |
2339 | fi | |
2340 | fi | |
2341 | if test x"$gcc_cv_ld_eh_frame_hdr" = xyes; then | |
2342 | AC_DEFINE(HAVE_LD_EH_FRAME_HDR, 1, | |
2343 | [Define if your linker supports --eh-frame-hdr option.]) | |
2344 | fi | |
2345 | AC_MSG_RESULT($gcc_cv_ld_eh_frame_hdr) | |
2346 | ||
4357a6c3 CD |
2347 | # Miscellaneous target-specific checks. |
2348 | case "$target" in | |
2349 | mips*-*-*) | |
2350 | AC_MSG_CHECKING(whether libgloss uses STARTUP directives consistently) | |
2351 | gcc_cv_mips_libgloss_startup=no | |
2352 | gcc_cv_libgloss_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/libgloss | |
2353 | if test "x$exec_prefix" = xNONE; then | |
2354 | if test "x$prefix" = xNONE; then | |
2355 | test_prefix=/usr/local | |
2356 | else | |
2357 | test_prefix=$prefix | |
2358 | fi | |
2359 | else | |
2360 | test_prefix=$exec_prefix | |
2361 | fi | |
2362 | for f in $gcc_cv_libgloss_srcdir/mips/idt.ld $test_prefix/$target_alias/lib/idt.ld | |
2363 | do | |
2364 | if grep '^STARTUP' $f > /dev/null 2>&1; then | |
2365 | gcc_cv_mips_libgloss_startup=yes | |
2366 | break | |
2367 | fi | |
2368 | done | |
2369 | if test x"$gcc_cv_mips_libgloss_startup" = xyes; then | |
2370 | AC_DEFINE(HAVE_MIPS_LIBGLOSS_STARTUP_DIRECTIVES, 1, | |
2371 | [Define if your MIPS libgloss linker scripts consistently include STARTUP directives.]) | |
2372 | fi | |
2373 | AC_MSG_RESULT($gcc_cv_mips_libgloss_startup) | |
2374 | ;; | |
2375 | esac | |
2376 | ||
3ec5d64d | 2377 | if test "$prefix" != "/usr" && test "x$prefix" != "x$local_prefix" ; then |
793e9558 PB |
2378 | AC_DEFINE_UNQUOTED(PREFIX_INCLUDE_DIR, "$prefix/include") |
2379 | fi | |
2380 | ||
571a8de5 | 2381 | # Figure out what language subdirectories are present. |
71205e0b MH |
2382 | # Look if the user specified --enable-languages="..."; if not, use |
2383 | # the environment variable $LANGUAGES if defined. $LANGUAGES might | |
2384 | # go away some day. | |
cc9a08e0 | 2385 | # NB: embedded tabs in this IF block -- do not untabify |
71205e0b MH |
2386 | if test x"${enable_languages+set}" != xset; then |
2387 | if test x"${LANGUAGES+set}" = xset; then | |
cc9a08e0 PE |
2388 | enable_languages="${LANGUAGES}" |
2389 | AC_MSG_WARN([setting LANGUAGES is deprecated, use --enable-languages instead]) | |
2390 | ||
71205e0b MH |
2391 | else |
2392 | enable_languages=all | |
2393 | fi | |
d6c6b553 | 2394 | else |
015089dd TJ |
2395 | if test x"${enable_languages}" = x \ |
2396 | || test x"${enable_languages}" = xyes; | |
cc9a08e0 PE |
2397 | then |
2398 | AC_MSG_ERROR([--enable-languages needs at least one language argument]) | |
d6c6b553 | 2399 | fi |
71205e0b | 2400 | fi |
cc9a08e0 | 2401 | enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'` |
75382c6d TT |
2402 | |
2403 | # First scan to see if an enabled language requires some other language. | |
2404 | # We assume that a given config-lang.in will list all the language | |
2405 | # front ends it requires, even if some are required indirectly. | |
2406 | for lang in ${srcdir}/*/config-lang.in .. | |
2407 | do | |
2408 | case $lang in | |
2409 | ..) | |
2410 | ;; | |
2411 | # The odd quoting in the next line works around | |
2412 | # an apparent bug in bash 1.12 on linux. | |
2413 | changequote(,)dnl | |
2414 | ${srcdir}/[*]/config-lang.in) | |
2415 | ;; | |
2416 | *) | |
2417 | lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang` | |
2418 | this_lang_requires=`sed -n -e 's,^lang_requires=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^lang_requires=\([^ ]*\).*$,\1,p' $lang` | |
2419 | for other in $this_lang_requires | |
2420 | do | |
2421 | case ,${enable_languages}, in | |
2422 | *,$other,*) | |
2423 | ;; | |
2424 | *,all,*) | |
2425 | ;; | |
1bf17cc4 | 2426 | *,$lang_alias,*) |
75382c6d TT |
2427 | enable_languages="$enable_languages,$other" |
2428 | ;; | |
2429 | esac | |
2430 | done | |
2431 | ;; | |
2432 | changequote([,])dnl | |
2433 | esac | |
2434 | done | |
2435 | ||
015089dd TJ |
2436 | expected_languages=`echo ,${enable_languages}, | sed -e 's:,: :g' -e 's: *: :g' -e 's: *: :g' -e 's:^ ::' -e 's: $::'` |
2437 | found_languages= | |
571a8de5 DE |
2438 | subdirs= |
2439 | for lang in ${srcdir}/*/config-lang.in .. | |
2440 | do | |
2441 | case $lang in | |
2442 | ..) ;; | |
2443 | # The odd quoting in the next line works around | |
2444 | # an apparent bug in bash 1.12 on linux. | |
75bffa71 ILT |
2445 | changequote(,)dnl |
2446 | ${srcdir}/[*]/config-lang.in) ;; | |
71205e0b MH |
2447 | *) |
2448 | lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang` | |
2b60b2cb AO |
2449 | this_lang_libs=`sed -n -e 's,^target_libs=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^target_libs=\([^ ]*\).*$,\1,p' $lang` |
2450 | build_by_default=`sed -n -e 's,^build_by_default=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^build_by_default=\([^ ]*\).*$,\1,p' $lang` | |
71205e0b MH |
2451 | if test "x$lang_alias" = x |
2452 | then | |
2453 | echo "$lang doesn't set \$language." 1>&2 | |
2454 | exit 1 | |
2455 | fi | |
2b60b2cb AO |
2456 | case ${build_by_default},${enable_languages}, in |
2457 | *,$lang_alias,*) add_this_lang=yes ;; | |
2458 | no,*) add_this_lang=no ;; | |
2459 | *,all,*) add_this_lang=yes ;; | |
2460 | *) add_this_lang=no ;; | |
2461 | esac | |
015089dd | 2462 | found_languages="${found_languages} ${lang_alias}" |
71205e0b MH |
2463 | if test x"${add_this_lang}" = xyes; then |
2464 | case $lang in | |
2465 | ${srcdir}/ada/config-lang.in) | |
1ffc5c6e | 2466 | if test x$have_gnat = xyes ; then |
71205e0b MH |
2467 | subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`" |
2468 | fi | |
2469 | ;; | |
2470 | *) | |
2471 | subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`" | |
2472 | ;; | |
2473 | esac | |
2474 | fi | |
2475 | ;; | |
75bffa71 | 2476 | changequote([,])dnl |
571a8de5 DE |
2477 | esac |
2478 | done | |
2479 | ||
015089dd TJ |
2480 | missing_languages= |
2481 | for expected_language in ${expected_languages} .. | |
2482 | do | |
2483 | if test "${expected_language}" != ..; then | |
2484 | missing_language="${expected_language}" | |
2485 | if test "${expected_language}" = "c" \ | |
2486 | || test "${expected_language}" = "all"; then | |
2487 | missing_language= | |
2488 | fi | |
2489 | for found_language in ${found_languages} .. | |
2490 | do | |
2491 | if test "${found_language}" != ..; then | |
2492 | if test "${expected_language}" = "${found_language}"; then | |
2493 | missing_language= | |
2494 | fi | |
2495 | fi | |
2496 | done | |
2497 | if test "x${missing_language}" != x; then | |
2498 | missing_languages="${missing_languages} ${missing_language}" | |
2499 | fi | |
2500 | fi | |
2501 | done | |
2502 | ||
2503 | if test "x$missing_languages" != x; then | |
2504 | AC_MSG_ERROR([ | |
2505 | The following requested languages were not found:${missing_languages} | |
2506 | The following languages were available: c${found_languages}]) | |
02ef40d9 TJ |
2507 | fi |
2508 | ||
f24af81b TT |
2509 | # Make gthr-default.h if we have a thread file. |
2510 | gthread_flags= | |
75bffa71 | 2511 | if test $thread_file != single; then |
f24af81b | 2512 | rm -f gthr-default.h |
db0d1ed9 | 2513 | echo "#include \"gthr-${thread_file}.h\"" > gthr-default.h |
f24af81b TT |
2514 | gthread_flags=-DHAVE_GTHR_DEFAULT |
2515 | fi | |
2516 | AC_SUBST(gthread_flags) | |
2517 | ||
81bf3d9e RH |
2518 | # Find out what GC implementation we want, or may, use. |
2519 | AC_ARG_WITH(gc, | |
e8bec136 RO |
2520 | [ --with-gc={simple,page} choose the garbage collection mechanism to use |
2521 | with the compiler], | |
81bf3d9e RH |
2522 | [case "$withval" in |
2523 | simple | page) | |
2524 | GGC=ggc-$withval | |
2525 | ;; | |
2526 | *) | |
2527 | AC_MSG_ERROR([$withval is an invalid option to --with-gc]) | |
2528 | ;; | |
2529 | esac], | |
130fadbb | 2530 | [GGC=ggc-page]) |
81bf3d9e RH |
2531 | AC_SUBST(GGC) |
2532 | echo "Using $GGC for garbage collection." | |
2533 | ||
3c809ba4 | 2534 | # Use the system's zlib library. |
b8dad04b ZW |
2535 | zlibdir=-L../zlib |
2536 | zlibinc="-I\$(srcdir)/../zlib" | |
3c809ba4 AG |
2537 | AC_ARG_WITH(system-zlib, |
2538 | [ --with-system-zlib use installed libz], | |
2539 | zlibdir= | |
2540 | zlibinc= | |
2541 | ) | |
2542 | AC_SUBST(zlibdir) | |
2543 | AC_SUBST(zlibinc) | |
2544 | ||
dc6746e7 PT |
2545 | dnl Very limited version of automake's enable-maintainer-mode |
2546 | ||
2547 | AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) | |
2548 | dnl maintainer-mode is disabled by default | |
2549 | AC_ARG_ENABLE(maintainer-mode, | |
e8bec136 RO |
2550 | [ --enable-maintainer-mode |
2551 | enable make rules and dependencies not useful | |
dc6746e7 PT |
2552 | (and sometimes confusing) to the casual installer], |
2553 | maintainer_mode=$enableval, | |
2554 | maintainer_mode=no) | |
2555 | ||
2556 | AC_MSG_RESULT($maintainer_mode) | |
2557 | ||
2558 | if test "$maintainer_mode" = "yes"; then | |
2559 | MAINT='' | |
2560 | else | |
2561 | MAINT='#' | |
2562 | fi | |
2563 | AC_SUBST(MAINT)dnl | |
2564 | ||
571a8de5 DE |
2565 | # Make empty files to contain the specs and options for each language. |
2566 | # Then add #include lines to for a compiler that has specs and/or options. | |
2567 | ||
2568 | lang_specs_files= | |
2569 | lang_options_files= | |
3103b7db | 2570 | lang_tree_files= |
571a8de5 DE |
2571 | for subdir in . $subdirs |
2572 | do | |
75bffa71 | 2573 | if test -f $srcdir/$subdir/lang-specs.h; then |
0d24f4d1 | 2574 | lang_specs_files="$lang_specs_files $srcdir/$subdir/lang-specs.h" |
571a8de5 | 2575 | fi |
75bffa71 | 2576 | if test -f $srcdir/$subdir/lang-options.h; then |
0d24f4d1 | 2577 | lang_options_files="$lang_options_files $srcdir/$subdir/lang-options.h" |
571a8de5 | 2578 | fi |
3103b7db | 2579 | if test -f $srcdir/$subdir/$subdir-tree.def; then |
0d24f4d1 | 2580 | lang_tree_files="$lang_tree_files $srcdir/$subdir/$subdir-tree.def" |
3103b7db | 2581 | fi |
571a8de5 DE |
2582 | done |
2583 | ||
2584 | # These (without "all_") are set in each config-lang.in. | |
2585 | # `language' must be a single word so is spelled singularly. | |
2586 | all_languages= | |
2587 | all_boot_languages= | |
2588 | all_compilers= | |
2589 | all_stagestuff= | |
e34a3d31 | 2590 | all_outputs='Makefile intl/Makefile fixinc/Makefile gccbug mklibgcc mkheaders' |
571a8de5 DE |
2591 | # List of language makefile fragments. |
2592 | all_lang_makefiles= | |
e2500fed | 2593 | # Files for gengtype |
ef69da62 | 2594 | all_gtfiles="$target_gtfiles" |
8ac9d31f TJ |
2595 | # Files for gengtype with language |
2596 | all_gtfiles_files_langs= | |
2597 | all_gtfiles_files_files= | |
571a8de5 DE |
2598 | |
2599 | # Add the language fragments. | |
2600 | # Languages are added via two mechanisms. Some information must be | |
2601 | # recorded in makefile variables, these are defined in config-lang.in. | |
2602 | # We accumulate them and plug them into the main Makefile. | |
2603 | # The other mechanism is a set of hooks for each of the main targets | |
2604 | # like `clean', `install', etc. | |
2605 | ||
2606 | language_fragments="Make-lang" | |
2607 | language_hooks="Make-hooks" | |
2608 | ||
2609 | for s in .. $subdirs | |
2610 | do | |
75bffa71 | 2611 | if test $s != ".." |
571a8de5 DE |
2612 | then |
2613 | language= | |
2614 | boot_language= | |
2615 | compilers= | |
2616 | stagestuff= | |
0280cf84 | 2617 | outputs= |
e2500fed | 2618 | gtfiles= |
571a8de5 | 2619 | . ${srcdir}/$s/config-lang.in |
75bffa71 | 2620 | if test "x$language" = x |
571a8de5 DE |
2621 | then |
2622 | echo "${srcdir}/$s/config-lang.in doesn't set \$language." 1>&2 | |
2623 | exit 1 | |
2624 | fi | |
72aaffbd ZW |
2625 | all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Make-lang.in" |
2626 | if test -f ${srcdir}/$s/Makefile.in | |
2627 | then all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Makefile.in" | |
2628 | fi | |
571a8de5 | 2629 | all_languages="$all_languages $language" |
75bffa71 | 2630 | if test "x$boot_language" = xyes |
571a8de5 DE |
2631 | then |
2632 | all_boot_languages="$all_boot_languages $language" | |
2633 | fi | |
2634 | all_compilers="$all_compilers $compilers" | |
2635 | all_stagestuff="$all_stagestuff $stagestuff" | |
0280cf84 | 2636 | all_outputs="$all_outputs $outputs" |
e2500fed | 2637 | all_gtfiles="$all_gtfiles $gtfiles" |
8ac9d31f TJ |
2638 | for f in .. $gtfiles |
2639 | do | |
2640 | if test $f != ".." | |
2641 | then | |
2642 | all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} " | |
2643 | all_gtfiles_files_files="$all_gtfiles_files_files ${f} " | |
2644 | fi | |
2645 | done | |
571a8de5 DE |
2646 | fi |
2647 | done | |
2648 | ||
8ac9d31f TJ |
2649 | # Pick up gtfiles for c |
2650 | gtfiles= | |
2651 | s="c" | |
2652 | . ${srcdir}/c-config-lang.in | |
2653 | all_gtfiles="$all_gtfiles $gtfiles" | |
2654 | for f in .. $gtfiles | |
2655 | do | |
2656 | if test $f != ".." | |
2657 | then | |
2658 | all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} " | |
2659 | all_gtfiles_files_files="$all_gtfiles_files_files ${f} " | |
2660 | fi | |
2661 | done | |
2662 | ||
cbc59f01 DD |
2663 | check_languages= |
2664 | for language in .. $all_languages | |
2665 | do | |
2666 | if test $language != ".." | |
2667 | then | |
2668 | check_languages="$check_languages check-$language" | |
2669 | fi | |
2670 | done | |
2671 | ||
571a8de5 DE |
2672 | # Since we can't use `::' targets, we link each language in |
2673 | # with a set of hooks, reached indirectly via lang.${target}. | |
2674 | ||
2675 | rm -f Make-hooks | |
2676 | touch Make-hooks | |
2677 | target_list="all.build all.cross start.encap rest.encap \ | |
d3945f0a | 2678 | info dvi generated-manpages \ |
571a8de5 | 2679 | install-normal install-common install-info install-man \ |
436a88a6 | 2680 | uninstall \ |
571a8de5 DE |
2681 | mostlyclean clean distclean extraclean maintainer-clean \ |
2682 | stage1 stage2 stage3 stage4" | |
2683 | for t in $target_list | |
2684 | do | |
2685 | x= | |
ab87f8c8 | 2686 | for lang in .. $all_languages |
571a8de5 | 2687 | do |
ab87f8c8 JL |
2688 | if test $lang != ".."; then |
2689 | x="$x $lang.$t" | |
571a8de5 DE |
2690 | fi |
2691 | done | |
2692 | echo "lang.$t: $x" >> Make-hooks | |
2693 | done | |
2694 | ||
cc06d68c | 2695 | # Create .gdbinit. |
296e46bd | 2696 | |
cc06d68c GP |
2697 | echo "dir ." > .gdbinit |
2698 | echo "dir ${srcdir}" >> .gdbinit | |
2699 | if test x$gdb_needs_out_file_path = xyes | |
2700 | then | |
2701 | echo "dir ${srcdir}/config/"`dirname ${out_file}` >> .gdbinit | |
2702 | fi | |
2703 | if test "x$subdirs" != x; then | |
2704 | for s in $subdirs | |
2705 | do | |
2706 | echo "dir ${srcdir}/$s" >> .gdbinit | |
2707 | done | |
296e46bd | 2708 | fi |
cc06d68c | 2709 | echo "source ${srcdir}/gdbinit.in" >> .gdbinit |
296e46bd | 2710 | |
88111b26 JL |
2711 | # Define variables host_canonical and build_canonical |
2712 | # because some Cygnus local changes in the Makefile depend on them. | |
2713 | build_canonical=${build} | |
2714 | host_canonical=${host} | |
2715 | target_subdir= | |
75bffa71 | 2716 | if test "${host}" != "${target}" ; then |
924c96eb | 2717 | target_subdir=${target_alias}/ |
88111b26 JL |
2718 | fi |
2719 | AC_SUBST(build_canonical) | |
2720 | AC_SUBST(host_canonical) | |
2721 | AC_SUBST(target_subdir) | |
2722 | ||
8f8d3278 NC |
2723 | # If $(exec_prefix) exists and is not the same as $(prefix), then compute an |
2724 | # absolute path for gcc_tooldir based on inserting the number of up-directory | |
2725 | # movements required to get from $(exec_prefix) to $(prefix) into the basic | |
2726 | # $(libsubdir)/@(unlibsubdir) based path. | |
82cbf8f7 JL |
2727 | # Don't set gcc_tooldir to tooldir since that's only passed in by the toplevel |
2728 | # make and thus we'd get different behavior depending on where we built the | |
2729 | # sources. | |
5949a9fc | 2730 | if test x$exec_prefix = xNONE -o x$exec_prefix = x$prefix; then |
d062c304 JL |
2731 | gcc_tooldir='$(libsubdir)/$(unlibsubdir)/../$(target_alias)' |
2732 | else | |
8f8d3278 NC |
2733 | changequote(<<, >>)dnl |
2734 | # An explanation of the sed strings: | |
2735 | # -e 's|^\$(prefix)||' matches and eliminates 'prefix' from 'exec_prefix' | |
2736 | # -e 's|/$||' match a trailing forward slash and eliminates it | |
2737 | # -e 's|^[^/]|/|' forces the string to start with a forward slash (*) | |
ff7cc307 | 2738 | # -e 's|/[^/]*|../|g' replaces each occurrence of /<directory> with ../ |
8f8d3278 NC |
2739 | # |
2740 | # (*) Note this pattern overwrites the first character of the string | |
2741 | # with a forward slash if one is not already present. This is not a | |
2742 | # problem because the exact names of the sub-directories concerned is | |
2743 | # unimportant, just the number of them matters. | |
2744 | # | |
2745 | # The practical upshot of these patterns is like this: | |
2746 | # | |
2747 | # prefix exec_prefix result | |
2748 | # ------ ----------- ------ | |
2749 | # /foo /foo/bar ../ | |
2750 | # /foo/ /foo/bar ../ | |
2751 | # /foo /foo/bar/ ../ | |
2752 | # /foo/ /foo/bar/ ../ | |
2753 | # /foo /foo/bar/ugg ../../ | |
2754 | # | |
4c112cda NC |
2755 | dollar='$$' |
2756 | gcc_tooldir="\$(libsubdir)/\$(unlibsubdir)/\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/\$(dollar)||' -e 's|^[^/]|/|' -e 's|/[^/]*|../|g'\`\$(target_alias)" | |
8f8d3278 | 2757 | changequote([, ])dnl |
d062c304 JL |
2758 | fi |
2759 | AC_SUBST(gcc_tooldir) | |
4c112cda | 2760 | AC_SUBST(dollar) |
d062c304 | 2761 | |
2bbea3a6 RH |
2762 | # Find a directory in which to install a shared libgcc. |
2763 | ||
2764 | AC_ARG_ENABLE(version-specific-runtime-libs, | |
e8bec136 RO |
2765 | [ --enable-version-specific-runtime-libs |
2766 | specify that runtime libraries should be | |
2767 | installed in a compiler-specific directory]) | |
2bbea3a6 | 2768 | |
5b15f277 RH |
2769 | AC_ARG_WITH(slibdir, |
2770 | [ --with-slibdir=DIR shared libraries in DIR [LIBDIR]], | |
2771 | slibdir="$with_slibdir", | |
2772 | if test "${enable_version_specific_runtime_libs+set}" = set; then | |
2bbea3a6 | 2773 | slibdir='$(libsubdir)' |
5b15f277 | 2774 | elif test "$host" != "$target"; then |
2bbea3a6 RH |
2775 | slibdir='$(build_tooldir)/lib' |
2776 | else | |
5b15f277 RH |
2777 | slibdir='$(libdir)' |
2778 | fi) | |
2bbea3a6 RH |
2779 | AC_SUBST(slibdir) |
2780 | ||
1e6347d8 | 2781 | objdir=`${PWDCMD-pwd}` |
7e717196 JL |
2782 | AC_SUBST(objdir) |
2783 | ||
94f42018 DE |
2784 | # Process the language and host/target makefile fragments. |
2785 | ${CONFIG_SHELL-/bin/sh} $srcdir/configure.frag $srcdir "$subdirs" "$dep_host_xmake_file" "$dep_tmake_file" | |
47866ac0 | 2786 | |
46f18e7b RK |
2787 | # Substitute configuration variables |
2788 | AC_SUBST(subdirs) | |
8ac9d31f | 2789 | AC_SUBST(srcdir) |
46f18e7b RK |
2790 | AC_SUBST(all_boot_languages) |
2791 | AC_SUBST(all_compilers) | |
e2500fed | 2792 | AC_SUBST(all_gtfiles) |
8ac9d31f TJ |
2793 | AC_SUBST(all_gtfiles_files_langs) |
2794 | AC_SUBST(all_gtfiles_files_files) | |
9f3d1bc2 BK |
2795 | AC_SUBST(all_lang_makefiles) |
2796 | AC_SUBST(all_languages) | |
9f3d1bc2 BK |
2797 | AC_SUBST(all_stagestuff) |
2798 | AC_SUBST(build_exeext) | |
2799 | AC_SUBST(build_install_headers_dir) | |
2800 | AC_SUBST(build_xm_file_list) | |
11642c3a ZW |
2801 | AC_SUBST(build_xm_file) |
2802 | AC_SUBST(build_xm_defines) | |
cbc59f01 | 2803 | AC_SUBST(check_languages) |
9f3d1bc2 | 2804 | AC_SUBST(cc_set_by_configure) |
5aa82ace | 2805 | AC_SUBST(quoted_cc_set_by_configure) |
9f3d1bc2 | 2806 | AC_SUBST(cpp_install_dir) |
9f3d1bc2 BK |
2807 | AC_SUBST(dep_host_xmake_file) |
2808 | AC_SUBST(dep_tmake_file) | |
9f3d1bc2 | 2809 | AC_SUBST(extra_headers_list) |
46f18e7b | 2810 | AC_SUBST(extra_objs) |
9f3d1bc2 BK |
2811 | AC_SUBST(extra_parts) |
2812 | AC_SUBST(extra_passes) | |
2813 | AC_SUBST(extra_programs) | |
9f3d1bc2 | 2814 | AC_SUBST(float_h_file) |
cc1e60ea | 2815 | AC_SUBST(gcc_config_arguments) |
9f3d1bc2 | 2816 | AC_SUBST(gcc_gxx_include_dir) |
e2187d3b | 2817 | AC_SUBST(libstdcxx_incdir) |
9f3d1bc2 | 2818 | AC_SUBST(gcc_version) |
8763704d | 2819 | AC_SUBST(gcc_version_full) |
9f3d1bc2 BK |
2820 | AC_SUBST(gcc_version_trigger) |
2821 | AC_SUBST(host_exeext) | |
46f18e7b | 2822 | AC_SUBST(host_extra_gcc_objs) |
46f18e7b | 2823 | AC_SUBST(host_xm_file_list) |
11642c3a ZW |
2824 | AC_SUBST(host_xm_file) |
2825 | AC_SUBST(host_xm_defines) | |
9f3d1bc2 | 2826 | AC_SUBST(install) |
46f18e7b | 2827 | AC_SUBST(lang_options_files) |
9f3d1bc2 | 2828 | AC_SUBST(lang_specs_files) |
3103b7db | 2829 | AC_SUBST(lang_tree_files) |
46f18e7b | 2830 | AC_SUBST(local_prefix) |
9f3d1bc2 BK |
2831 | AC_SUBST(md_file) |
2832 | AC_SUBST(objc_boehm_gc) | |
2833 | AC_SUBST(out_file) | |
2834 | AC_SUBST(out_object_file) | |
46f18e7b | 2835 | AC_SUBST(stage_prefix_set_by_configure) |
596151e1 | 2836 | AC_SUBST(quoted_stage_prefix_set_by_configure) |
e9a25f70 | 2837 | AC_SUBST(symbolic_link) |
9f3d1bc2 BK |
2838 | AC_SUBST(thread_file) |
2839 | AC_SUBST(tm_file_list) | |
11642c3a | 2840 | AC_SUBST(tm_file) |
d5355cb2 | 2841 | AC_SUBST(tm_defines) |
11642c3a ZW |
2842 | AC_SUBST(tm_p_file_list) |
2843 | AC_SUBST(tm_p_file) | |
2844 | AC_SUBST(xm_file) | |
3d9d2476 | 2845 | AC_SUBST(xm_defines) |
66fe41af | 2846 | AC_SUBST(target_alias) |
aac69a49 NC |
2847 | AC_SUBST(c_target_objs) |
2848 | AC_SUBST(cxx_target_objs) | |
11642c3a | 2849 | AC_SUBST(target_cpu_default) |
46f18e7b RK |
2850 | |
2851 | AC_SUBST_FILE(target_overrides) | |
2852 | AC_SUBST_FILE(host_overrides) | |
46f18e7b RK |
2853 | AC_SUBST_FILE(language_fragments) |
2854 | AC_SUBST_FILE(language_hooks) | |
2855 | ||
2856 | # Echo that links are built | |
75bffa71 | 2857 | if test x$host = x$target |
46f18e7b RK |
2858 | then |
2859 | str1="native " | |
2860 | else | |
2861 | str1="cross-" | |
2862 | str2=" from $host" | |
2863 | fi | |
2864 | ||
75bffa71 | 2865 | if test x$host != x$build |
46f18e7b RK |
2866 | then |
2867 | str3=" on a $build system" | |
2868 | fi | |
2869 | ||
75bffa71 | 2870 | if test "x$str2" != x || test "x$str3" != x |
46f18e7b RK |
2871 | then |
2872 | str4= | |
2873 | fi | |
2874 | ||
2875 | echo "Links are now set up to build a ${str1}compiler for ${target}$str4" 1>&2 | |
2876 | ||
75bffa71 | 2877 | if test "x$str2" != x || test "x$str3" != x |
46f18e7b RK |
2878 | then |
2879 | echo " ${str2}${str3}." 1>&2 | |
2880 | fi | |
2881 | ||
61536478 | 2882 | # Truncate the target if necessary |
75bffa71 | 2883 | if test x$host_truncate_target != x; then |
61536478 JL |
2884 | target=`echo $target | sed -e 's/\(..............\).*/\1/'` |
2885 | fi | |
2886 | ||
46f18e7b RK |
2887 | # Configure the subdirectories |
2888 | # AC_CONFIG_SUBDIRS($subdirs) | |
2889 | ||
2890 | # Create the Makefile | |
5891b37d | 2891 | # and configure language subdirectories |
0280cf84 | 2892 | AC_OUTPUT($all_outputs, |
cdcc6a01 | 2893 | [ |
cdcc6a01 | 2894 | case x$CONFIG_HEADERS in |
b7cb92ad | 2895 | xauto-host.h:config.in) |
818b66cc | 2896 | echo > cstamp-h ;; |
cdcc6a01 | 2897 | esac |
93cf819d BK |
2898 | # If the host supports symlinks, point stage[1234] at ../stage[1234] so |
2899 | # bootstrapping and the installation procedure can still use | |
2900 | # CC="stage1/xgcc -Bstage1/". If the host doesn't support symlinks, | |
2901 | # FLAGS_TO_PASS has been modified to solve the problem there. | |
2902 | # This is virtually a duplicate of what happens in configure.lang; we do | |
2903 | # an extra check to make sure this only happens if ln -s can be used. | |
75bffa71 | 2904 | if test "$symbolic_link" = "ln -s"; then |
d8140df6 | 2905 | for d in .. ${subdirs} fixinc ; do |
75bffa71 | 2906 | if test $d != ..; then |
1e6347d8 | 2907 | STARTDIR=`${PWDCMD-pwd}` |
4e8a434e BK |
2908 | cd $d |
2909 | for t in stage1 stage2 stage3 stage4 include | |
2910 | do | |
2911 | rm -f $t | |
2912 | $symbolic_link ../$t $t 2>/dev/null | |
2913 | done | |
2914 | cd $STARTDIR | |
93cf819d BK |
2915 | fi |
2916 | done | |
2917 | else true ; fi | |
ab87f8c8 JL |
2918 | # Avoid having to add intl to our include paths. |
2919 | if test -f intl/libintl.h; then | |
2920 | echo creating libintl.h | |
2921 | echo '#include "intl/libintl.h"' >libintl.h | |
2922 | fi | |
0d24f4d1 ZW |
2923 | ], |
2924 | [subdirs='$subdirs' | |
2925 | symbolic_link='$symbolic_link' | |
cdcc6a01 | 2926 | ]) |