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1322177d | 1 | # configure.in for GCC |
46f18e7b RK |
2 | # Process this file with autoconf to generate a configuration script. |
3 | ||
29f7a208 | 4 | # Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc. |
46f18e7b | 5 | |
1322177d | 6 | #This file is part of GCC. |
46f18e7b | 7 | |
1322177d LB |
8 | #GCC is free software; you can redistribute it and/or modify it under |
9 | #the terms of the GNU General Public License as published by the Free | |
10 | #Software Foundation; either version 2, or (at your option) any later | |
11 | #version. | |
46f18e7b | 12 | |
1322177d LB |
13 | #GCC is distributed in the hope that it will be useful, but WITHOUT |
14 | #ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
15 | #FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
16 | #for more details. | |
46f18e7b RK |
17 | |
18 | #You should have received a copy of the GNU General Public License | |
1322177d LB |
19 | #along with GCC; see the file COPYING. If not, write to the Free |
20 | #Software Foundation, 59 Temple Place - Suite 330, Boston, MA | |
21 | #02111-1307, USA. | |
46f18e7b RK |
22 | |
23 | # Initialization and defaults | |
890ad3ea | 24 | AC_PREREQ(2.13) |
46f18e7b | 25 | AC_INIT(tree.c) |
b7cb92ad | 26 | AC_CONFIG_HEADER(auto-host.h:config.in) |
cdcc6a01 | 27 | |
46f18e7b RK |
28 | remove=rm |
29 | hard_link=ln | |
30 | symbolic_link='ln -s' | |
31 | copy=cp | |
32 | ||
75a39864 JL |
33 | # Check for bogus environment variables. |
34 | # Test if LIBRARY_PATH contains the notation for the current directory | |
35 | # since this would lead to problems installing/building glibc. | |
36 | # LIBRARY_PATH contains the current directory if one of the following | |
37 | # is true: | |
38 | # - one of the terminals (":" and ";") is the first or last sign | |
39 | # - two terminals occur directly after each other | |
40 | # - the path contains an element with a dot in it | |
41 | AC_MSG_CHECKING(LIBRARY_PATH variable) | |
42 | changequote(,)dnl | |
43 | case ${LIBRARY_PATH} in | |
44 | [:\;]* | *[:\;] | *[:\;][:\;]* | *[:\;]. | .[:\;]*| . | *[:\;].[:\;]* ) | |
45 | library_path_setting="contains current directory" | |
46 | ;; | |
47 | *) | |
48 | library_path_setting="ok" | |
49 | ;; | |
50 | esac | |
51 | changequote([,])dnl | |
52 | AC_MSG_RESULT($library_path_setting) | |
53 | if test "$library_path_setting" != "ok"; then | |
54 | AC_MSG_ERROR([ | |
55 | *** LIBRARY_PATH shouldn't contain the current directory when | |
079bd08e | 56 | *** building gcc. Please change the environment variable |
75a39864 JL |
57 | *** and run configure again.]) |
58 | fi | |
59 | ||
60 | # Test if GCC_EXEC_PREFIX contains the notation for the current directory | |
61 | # since this would lead to problems installing/building glibc. | |
62 | # GCC_EXEC_PREFIX contains the current directory if one of the following | |
63 | # is true: | |
64 | # - one of the terminals (":" and ";") is the first or last sign | |
65 | # - two terminals occur directly after each other | |
66 | # - the path contains an element with a dot in it | |
67 | AC_MSG_CHECKING(GCC_EXEC_PREFIX variable) | |
68 | changequote(,)dnl | |
69 | case ${GCC_EXEC_PREFIX} in | |
70 | [:\;]* | *[:\;] | *[:\;][:\;]* | *[:\;]. | .[:\;]*| . | *[:\;].[:\;]* ) | |
71 | gcc_exec_prefix_setting="contains current directory" | |
72 | ;; | |
73 | *) | |
74 | gcc_exec_prefix_setting="ok" | |
75 | ;; | |
76 | esac | |
77 | changequote([,])dnl | |
78 | AC_MSG_RESULT($gcc_exec_prefix_setting) | |
79 | if test "$gcc_exec_prefix_setting" != "ok"; then | |
80 | AC_MSG_ERROR([ | |
81 | *** GCC_EXEC_PREFIX shouldn't contain the current directory when | |
079bd08e | 82 | *** building gcc. Please change the environment variable |
75a39864 JL |
83 | *** and run configure again.]) |
84 | fi | |
85 | ||
46f18e7b RK |
86 | # Check for additional parameters |
87 | ||
88 | # With GNU ld | |
89 | AC_ARG_WITH(gnu-ld, | |
90 | [ --with-gnu-ld arrange to work with GNU ld.], | |
df6faf79 JW |
91 | gnu_ld_flag="$with_gnu_ld", |
92 | gnu_ld_flag=no) | |
46f18e7b | 93 | |
ab339d62 AO |
94 | # With pre-defined ld |
95 | AC_ARG_WITH(ld, | |
e8bec136 | 96 | [ --with-ld arrange to use the specified ld (full pathname)], |
3ccc3a56 AO |
97 | DEFAULT_LINKER="$with_ld") |
98 | if test x"${DEFAULT_LINKER+set}" = x"set"; then | |
99 | if test ! -x "$DEFAULT_LINKER"; then | |
100 | AC_MSG_WARN([cannot execute: $DEFAULT_LINKER: check --with-ld or env. var. DEFAULT_LINKER]) | |
e154a394 | 101 | elif $DEFAULT_LINKER -v < /dev/null 2>&1 | grep GNU > /dev/null; then |
ab339d62 AO |
102 | gnu_ld_flag=yes |
103 | fi | |
119d24d1 KG |
104 | AC_DEFINE_UNQUOTED(DEFAULT_LINKER,"$DEFAULT_LINKER", |
105 | [Define to enable the use of a default linker.]) | |
ab339d62 AO |
106 | fi |
107 | ||
46f18e7b RK |
108 | # With GNU as |
109 | AC_ARG_WITH(gnu-as, | |
e8bec136 | 110 | [ --with-gnu-as arrange to work with GNU as], |
df6faf79 JW |
111 | gas_flag="$with_gnu_as", |
112 | gas_flag=no) | |
46f18e7b | 113 | |
ab339d62 | 114 | AC_ARG_WITH(as, |
e8bec136 | 115 | [ --with-as arrange to use the specified as (full pathname)], |
3ccc3a56 AO |
116 | DEFAULT_ASSEMBLER="$with_as") |
117 | if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then | |
118 | if test ! -x "$DEFAULT_ASSEMBLER"; then | |
119 | AC_MSG_WARN([cannot execute: $DEFAULT_ASSEMBLER: check --with-as or env. var. DEFAULT_ASSEMBLER]) | |
e154a394 | 120 | elif $DEFAULT_ASSEMBLER -v < /dev/null 2>&1 | grep GNU > /dev/null; then |
ab339d62 AO |
121 | gas_flag=yes |
122 | fi | |
119d24d1 KG |
123 | AC_DEFINE_UNQUOTED(DEFAULT_ASSEMBLER,"$DEFAULT_ASSEMBLER", |
124 | [Define to enable the use of a default assembler.]) | |
3ccc3a56 | 125 | fi |
ab339d62 | 126 | |
46f18e7b RK |
127 | # With stabs |
128 | AC_ARG_WITH(stabs, | |
e8bec136 | 129 | [ --with-stabs arrange to use stabs instead of host debug format], |
535b86ce | 130 | stabs="$with_stabs", |
46f18e7b RK |
131 | stabs=no) |
132 | ||
133 | # With ELF | |
134 | AC_ARG_WITH(elf, | |
e8bec136 | 135 | [ --with-elf arrange to use ELF instead of host debug format], |
535b86ce | 136 | elf="$with_elf", |
46f18e7b RK |
137 | elf=no) |
138 | ||
4d8392b7 | 139 | # Specify the local prefix |
4e88d51b | 140 | local_prefix= |
4d8392b7 | 141 | AC_ARG_WITH(local-prefix, |
e8bec136 | 142 | [ --with-local-prefix=DIR specifies directory to put local include], |
4e88d51b JM |
143 | [case "${withval}" in |
144 | yes) AC_MSG_ERROR(bad value ${withval} given for local include directory prefix) ;; | |
145 | no) ;; | |
146 | *) local_prefix=$with_local_prefix ;; | |
147 | esac]) | |
4d8392b7 RK |
148 | |
149 | # Default local prefix if it is empty | |
75bffa71 | 150 | if test x$local_prefix = x; then |
4d8392b7 RK |
151 | local_prefix=/usr/local |
152 | fi | |
153 | ||
8f8d3278 NC |
154 | # Don't set gcc_gxx_include_dir to gxx_include_dir since that's only |
155 | # passed in by the toplevel make and thus we'd get different behavior | |
156 | # depending on where we built the sources. | |
157 | gcc_gxx_include_dir= | |
9514f0d1 RK |
158 | # Specify the g++ header file directory |
159 | AC_ARG_WITH(gxx-include-dir, | |
160 | [ --with-gxx-include-dir=DIR | |
e8bec136 | 161 | specifies directory to put g++ header files], |
4e88d51b JM |
162 | [case "${withval}" in |
163 | yes) AC_MSG_ERROR(bad value ${withval} given for g++ include directory) ;; | |
164 | no) ;; | |
8f8d3278 | 165 | *) gcc_gxx_include_dir=$with_gxx_include_dir ;; |
4e88d51b JM |
166 | esac]) |
167 | ||
8f8d3278 | 168 | if test x${gcc_gxx_include_dir} = x; then |
4e88d51b | 169 | if test x${enable_version_specific_runtime_libs} = xyes; then |
8f8d3278 | 170 | gcc_gxx_include_dir='${libsubdir}/include/g++' |
4e88d51b | 171 | else |
a270b446 | 172 | topsrcdir=${srcdir}/.. . ${srcdir}/../config.if |
de82584d | 173 | changequote(<<, >>)dnl |
e2187d3b | 174 | gcc_gxx_include_dir="\$(libsubdir)/\$(unlibsubdir)/..\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/[^/]*|/..|g'\`/include/"${libstdcxx_incdir} |
de82584d | 175 | changequote([, ])dnl |
4e88d51b JM |
176 | fi |
177 | fi | |
46f18e7b | 178 | |
39d6f2e8 MM |
179 | # Determine whether or not multilibs are enabled. |
180 | AC_ARG_ENABLE(multilib, | |
e8bec136 | 181 | [ --enable-multilib enable library support for multiple ABIs], |
39d6f2e8 MM |
182 | [], [enable_multilib=yes]) |
183 | AC_SUBST(enable_multilib) | |
184 | ||
a494747c MM |
185 | # Enable expensive internal checks |
186 | AC_ARG_ENABLE(checking, | |
f4524c9e ZW |
187 | [ --enable-checking[=LIST] |
188 | enable expensive run-time checks. With LIST, | |
189 | enable only specific categories of checks. | |
190 | Categories are: misc,tree,rtl,gc,gcac; default | |
59f406b7 | 191 | is misc,tree,gc], |
119d24d1 KG |
192 | [ac_checking= |
193 | ac_tree_checking= | |
194 | ac_rtl_checking= | |
195 | ac_gc_checking= | |
196 | ac_gc_always_collect= | |
197 | case "${enableval}" in | |
51d0e20c | 198 | yes) ac_checking=1 ; ac_tree_checking=1 ; ac_gc_checking=1 ;; |
4e88d51b | 199 | no) ;; |
59f406b7 | 200 | *) IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS," |
f4524c9e ZW |
201 | set fnord $enableval; shift |
202 | IFS="$ac_save_IFS" | |
c62e45ad KG |
203 | for check |
204 | do | |
f4524c9e | 205 | case $check in |
119d24d1 KG |
206 | misc) ac_checking=1 ;; |
207 | tree) ac_tree_checking=1 ;; | |
208 | rtl) ac_rtl_checking=1 ;; | |
209 | gc) ac_gc_checking=1 ;; | |
210 | gcac) ac_gc_always_collect=1 ;; | |
f4524c9e ZW |
211 | *) AC_MSG_ERROR(unknown check category $check) ;; |
212 | esac | |
213 | done | |
214 | ;; | |
119d24d1 | 215 | esac |
51d0e20c AJ |
216 | ], |
217 | # Enable some checks by default for development versions of GCC | |
218 | [ac_checking=1; ac_tree_checking=1; ac_gc_checking=1;]) | |
119d24d1 KG |
219 | if test x$ac_checking != x ; then |
220 | AC_DEFINE(ENABLE_CHECKING, 1, | |
221 | [Define if you want more run-time sanity checks. This one gets a grab | |
222 | bag of miscellaneous but relatively cheap checks.]) | |
223 | fi | |
224 | if test x$ac_tree_checking != x ; then | |
225 | AC_DEFINE(ENABLE_TREE_CHECKING, 1, | |
226 | [Define if you want all operations on trees (the basic data | |
227 | structure of the front ends) to be checked for dynamic type safety | |
228 | at runtime. This is moderately expensive.]) | |
229 | fi | |
230 | if test x$ac_rtl_checking != x ; then | |
231 | AC_DEFINE(ENABLE_RTL_CHECKING, 1, | |
232 | [Define if you want all operations on RTL (the basic data structure | |
233 | of the optimizer and back end) to be checked for dynamic type safety | |
234 | at runtime. This is quite expensive.]) | |
235 | fi | |
236 | if test x$ac_gc_checking != x ; then | |
237 | AC_DEFINE(ENABLE_GC_CHECKING, 1, | |
238 | [Define if you want the garbage collector to do object poisoning and | |
239 | other memory allocation checks. This is quite expensive.]) | |
240 | fi | |
241 | if test x$ac_gc_always_collect != x ; then | |
242 | AC_DEFINE(ENABLE_GC_ALWAYS_COLLECT, 1, | |
243 | [Define if you want the garbage collector to operate in maximally | |
244 | paranoid mode, validating the entire heap and collecting garbage at | |
245 | every opportunity. This is extremely expensive.]) | |
246 | fi | |
51d0e20c | 247 | |
a494747c | 248 | |
3ecc3258 | 249 | AC_ARG_ENABLE(cpp, |
e8bec136 | 250 | [ --disable-cpp don't provide a user-visible C preprocessor], |
3ecc3258 ZW |
251 | [], [enable_cpp=yes]) |
252 | ||
253 | AC_ARG_WITH(cpp_install_dir, | |
254 | [ --with-cpp-install-dir=DIR | |
255 | install the user visible C preprocessor in DIR | |
e8bec136 | 256 | (relative to PREFIX) as well as PREFIX/bin], |
3ecc3258 ZW |
257 | [if test x$withval = xyes; then |
258 | AC_MSG_ERROR([option --with-cpp-install-dir requires an argument]) | |
259 | elif test x$withval != xno; then | |
260 | cpp_install_dir=$withval | |
261 | fi]) | |
262 | ||
c5c76735 JL |
263 | # Enable Multibyte Characters for C/C++ |
264 | AC_ARG_ENABLE(c-mbchar, | |
e8bec136 | 265 | [ --enable-c-mbchar enable multibyte characters for C and C++], |
2618c083 | 266 | if test x$enable_c_mbchar != xno; then |
9ec7291f ZW |
267 | AC_DEFINE(MULTIBYTE_CHARS, 1, |
268 | [Define if you want the C and C++ compilers to support multibyte | |
269 | character sets for source code.]) | |
c5c76735 JL |
270 | fi) |
271 | ||
0bbb1697 RK |
272 | # Enable threads |
273 | # Pass with no value to take the default | |
274 | # Pass with a value to specify a thread package | |
275 | AC_ARG_ENABLE(threads, | |
e8bec136 RO |
276 | [ --enable-threads enable thread usage for target GCC |
277 | --enable-threads=LIB use LIB thread package for target GCC],, | |
0bbb1697 RK |
278 | enable_threads='') |
279 | ||
e445171e | 280 | enable_threads_flag=$enable_threads |
0bbb1697 | 281 | # Check if a valid thread package |
e445171e | 282 | case x${enable_threads_flag} in |
0bbb1697 RK |
283 | x | xno) |
284 | # No threads | |
a851212a | 285 | target_thread_file='single' |
0bbb1697 RK |
286 | ;; |
287 | xyes) | |
288 | # default | |
a851212a | 289 | target_thread_file='' |
0bbb1697 RK |
290 | ;; |
291 | xdecosf1 | xirix | xmach | xos2 | xposix | xpthreads | xsingle | \ | |
e08f13ee | 292 | xsolaris | xwin32 | xdce | xrtems| xvxworks | xaix) |
e445171e | 293 | target_thread_file=$enable_threads_flag |
0bbb1697 RK |
294 | ;; |
295 | *) | |
296 | echo "$enable_threads is an unknown thread package" 1>&2 | |
297 | exit 1 | |
298 | ;; | |
299 | esac | |
300 | ||
d8bb17c8 OP |
301 | AC_ARG_ENABLE(objc-gc, |
302 | [ --enable-objc-gc enable the use of Boehm's garbage collector with | |
e8bec136 | 303 | the GNU Objective-C runtime], |
2618c083 | 304 | if test x$enable_objc_gc = xno; then |
d8bb17c8 OP |
305 | objc_boehm_gc='' |
306 | else | |
307 | objc_boehm_gc=1 | |
308 | fi, | |
309 | objc_boehm_gc='') | |
310 | ||
90e6a802 | 311 | AC_ARG_WITH(dwarf2, |
e8bec136 | 312 | [ --with-dwarf2 force the default debug format to be DWARF 2], |
90e6a802 RL |
313 | dwarf2="$with_dwarf2", |
314 | dwarf2=no) | |
315 | ||
50503ac8 | 316 | AC_ARG_ENABLE(shared, |
e8bec136 | 317 | [ --disable-shared don't provide a shared libgcc], |
c785e0fa AO |
318 | [ |
319 | case $enable_shared in | |
320 | yes | no) ;; | |
321 | *) | |
322 | enable_shared=no | |
323 | IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:," | |
324 | for pkg in $enableval; do | |
325 | if test "X$pkg" = "Xgcc" || test "X$pkg" = "Xlibgcc"; then | |
326 | enable_shared=yes | |
327 | fi | |
328 | done | |
329 | IFS="$ac_save_ifs" | |
330 | ;; | |
331 | esac | |
332 | ], [enable_shared=yes]) | |
50503ac8 RH |
333 | AC_SUBST(enable_shared) |
334 | ||
46f18e7b RK |
335 | # Determine the host, build, and target systems |
336 | AC_CANONICAL_SYSTEM | |
337 | ||
b21d216c AF |
338 | # Set program_transform_name |
339 | AC_ARG_PROGRAM | |
340 | ||
e9a25f70 JL |
341 | # Find the native compiler |
342 | AC_PROG_CC | |
3ec83fc2 | 343 | AC_PROG_CC_C_O |
b8dad04b | 344 | # autoconf is lame and doesn't give us any substitution variable for this. |
e38df833 | 345 | if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then |
b4c7e567 | 346 | NO_MINUS_C_MINUS_O=yes |
b8dad04b ZW |
347 | else |
348 | OUTPUT_OPTION='-o $@' | |
b4c7e567 | 349 | fi |
3ec83fc2 | 350 | AC_SUBST(NO_MINUS_C_MINUS_O) |
b8dad04b | 351 | AC_SUBST(OUTPUT_OPTION) |
3ec83fc2 | 352 | |
200ef634 GK |
353 | # See if GNAT has been installed |
354 | gcc_AC_PROG_GNAT | |
355 | ||
97d81d66 JM |
356 | AC_CACHE_CHECK(whether ${CC-cc} accepts -Wno-long-long, |
357 | ac_cv_prog_cc_no_long_long, | |
358 | [save_CFLAGS="$CFLAGS" | |
359 | CFLAGS="-Wno-long-long" | |
360 | AC_TRY_COMPILE(,,ac_cv_prog_cc_no_long_long=yes, | |
361 | ac_cv_prog_cc_no_long_long=no) | |
362 | CFLAGS="$save_CFLAGS"]) | |
200ef634 GK |
363 | |
364 | if test x$have_gnat != xno ; then | |
365 | AC_CACHE_CHECK(whether ${ADAC} accepts -Wno-long-long, | |
366 | ac_cv_prog_adac_no_long_long, | |
367 | [cat >conftest.adb <<EOF | |
368 | procedure conftest is begin null; end conftest; | |
369 | EOF | |
370 | if $ADAC -Wno-long-long -c conftest.adb 1>&5 2>&5 ; then | |
371 | ac_cv_prog_adac_no_long_long=yes | |
372 | else | |
373 | ac_cv_prog_adac_no_long_long=no | |
374 | fi | |
375 | rm -f conftest*]) | |
376 | else | |
377 | ac_cv_prog_adac_no_long_long=yes | |
378 | fi | |
379 | ||
b8dad04b | 380 | strict1_warn= |
200ef634 GK |
381 | if test $ac_cv_prog_cc_no_long_long = yes && \ |
382 | test $ac_cv_prog_adac_no_long_long = yes ; then | |
b8dad04b ZW |
383 | strict1_warn="-pedantic -Wno-long-long" |
384 | fi | |
385 | AC_SUBST(strict1_warn) | |
ff5def20 | 386 | |
84c041a1 | 387 | AC_PROG_CPP |
75e93faa ZW |
388 | AC_C_INLINE |
389 | gcc_AC_C_VOLATILE | |
390 | ||
391 | gcc_AC_C_LONG_DOUBLE | |
392 | gcc_AC_C_LONG_LONG | |
827ae6cf | 393 | gcc_AC_C__BOOL |
75e93faa ZW |
394 | |
395 | # sizeof(char) is 1 by definition. | |
396 | gcc_AC_COMPILE_CHECK_SIZEOF(short) | |
397 | gcc_AC_COMPILE_CHECK_SIZEOF(int) | |
398 | gcc_AC_COMPILE_CHECK_SIZEOF(long) | |
399 | if test $ac_cv_c_long_long = yes; then | |
400 | gcc_AC_COMPILE_CHECK_SIZEOF(long long) | |
401 | fi | |
402 | if test $ac_cv_c___int64 = yes; then | |
403 | gcc_AC_COMPILE_CHECK_SIZEOF(__int64) | |
404 | fi | |
405 | ||
84c041a1 | 406 | gcc_AC_C_CHARSET |
84c041a1 | 407 | |
61842080 MM |
408 | # If the native compiler is GCC, we can enable warnings even in stage1. |
409 | # That's useful for people building cross-compilers, or just running a | |
410 | # quick `make'. | |
b8dad04b ZW |
411 | warn_cflags= |
412 | if test "x$GCC" = "xyes"; then | |
413 | warn_cflags='$(GCC_WARN_CFLAGS)' | |
61842080 | 414 | fi |
b8dad04b | 415 | AC_SUBST(warn_cflags) |
5b67ad6f DA |
416 | |
417 | # Stage specific cflags for build. | |
b8dad04b | 418 | stage1_cflags= |
5b67ad6f DA |
419 | case $build in |
420 | vax-*-*) | |
421 | if test x$GCC = xyes | |
422 | then | |
b8dad04b | 423 | stage1_cflags="-Wa,-J" |
5b67ad6f | 424 | else |
b8dad04b | 425 | stage1_cflags="-J" |
5b67ad6f DA |
426 | fi |
427 | ;; | |
5dd8a9b1 ZW |
428 | powerpc-*-darwin*) |
429 | # The spiffy cpp-precomp chokes on some legitimate constructs in GCC | |
430 | # sources; use -no-cpp-precomp to get to GNU cpp. | |
431 | # Apple's GCC has bugs in designated initializer handling, so disable | |
432 | # that too. | |
433 | stage1_cflags="-no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0" | |
434 | ;; | |
5b67ad6f | 435 | esac |
b8dad04b | 436 | AC_SUBST(stage1_cflags) |
61842080 | 437 | |
e9a25f70 JL |
438 | AC_PROG_MAKE_SET |
439 | ||
ab339d62 | 440 | AC_MSG_CHECKING([whether a default assembler was specified]) |
3ccc3a56 | 441 | if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then |
e154a394 | 442 | if test x"$gas_flag" = x"no"; then |
3ccc3a56 | 443 | AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER)]) |
ab339d62 | 444 | else |
3ccc3a56 | 445 | AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER - GNU as)]) |
ab339d62 AO |
446 | fi |
447 | else | |
448 | AC_MSG_RESULT(no) | |
449 | fi | |
450 | ||
451 | AC_MSG_CHECKING([whether a default linker was specified]) | |
3ccc3a56 | 452 | if test x"${DEFAULT_LINKER+set}" = x"set"; then |
e154a394 | 453 | if test x"$gnu_ld_flag" = x"no"; then |
3ccc3a56 | 454 | AC_MSG_RESULT([yes ($DEFAULT_LINKER)]) |
ab339d62 | 455 | else |
3ccc3a56 | 456 | AC_MSG_RESULT([yes ($DEFAULT_LINKER - GNU ld)]) |
ab339d62 AO |
457 | fi |
458 | else | |
459 | AC_MSG_RESULT(no) | |
460 | fi | |
461 | ||
4070d885 AJ |
462 | AC_MSG_CHECKING(for GNU C library) |
463 | AC_CACHE_VAL(gcc_cv_glibc, | |
464 | [AC_TRY_COMPILE( | |
465 | [#include <features.h>],[ | |
466 | #if ! (defined __GLIBC__ || defined __GNU_LIBRARY__) | |
467 | #error Not a GNU C library system | |
468 | #endif], | |
469 | [gcc_cv_glibc=yes], | |
470 | gcc_cv_glibc=no)]) | |
471 | AC_MSG_RESULT($gcc_cv_glibc) | |
c2f7d403 | 472 | if test $gcc_cv_glibc = yes; then |
4070d885 AJ |
473 | AC_DEFINE(_GNU_SOURCE, 1, [Always define this when using the GNU C Library]) |
474 | fi | |
4797e955 | 475 | |
46f18e7b RK |
476 | # Find some useful tools |
477 | AC_PROG_AWK | |
99e757d5 KG |
478 | gcc_AC_PROG_LN |
479 | gcc_AC_PROG_LN_S | |
46f18e7b | 480 | AC_PROG_RANLIB |
99e757d5 | 481 | gcc_AC_PROG_INSTALL |
46f18e7b | 482 | |
956d6950 JL |
483 | AC_HEADER_STDC |
484 | AC_HEADER_TIME | |
827ae6cf | 485 | gcc_AC_HEADER_STDBOOL |
99e757d5 | 486 | gcc_AC_HEADER_STRING |
e9831ca0 | 487 | AC_HEADER_SYS_WAIT |
03c41c05 | 488 | AC_CHECK_HEADERS(limits.h stddef.h string.h strings.h stdlib.h time.h \ |
7719ffbf | 489 | fcntl.h unistd.h sys/file.h sys/time.h \ |
03c41c05 | 490 | sys/resource.h sys/param.h sys/times.h sys/stat.h \ |
f91abfce | 491 | direct.h malloc.h langinfo.h) |
7636d567 | 492 | |
f24af81b TT |
493 | # Check for thread headers. |
494 | AC_CHECK_HEADER(thread.h, [have_thread_h=yes], [have_thread_h=]) | |
495 | AC_CHECK_HEADER(pthread.h, [have_pthread_h=yes], [have_pthread_h=]) | |
496 | ||
84c041a1 | 497 | # These tests can't be done till we know if we have limits.h. |
75e93faa | 498 | gcc_AC_C_CHAR_BIT |
2d6eb5bf ZW |
499 | gcc_AC_C_COMPILE_ENDIAN |
500 | gcc_AC_C_FLOAT_FORMAT | |
75e93faa | 501 | |
955be633 JM |
502 | # See if we have the mktemp command. |
503 | AC_CHECK_PROG(have_mktemp_command, mktemp, yes, no) | |
504 | ||
09fa0705 ZW |
505 | # Do we have a single-tree copy of texinfo? |
506 | if test -f $srcdir/../texinfo/Makefile.in; then | |
507 | MAKEINFO='$(objdir)/../texinfo/makeinfo/makeinfo' | |
508 | gcc_cv_prog_makeinfo_modern=yes | |
509 | AC_MSG_RESULT([Using makeinfo from the unified source tree.]) | |
510 | else | |
511 | # See if makeinfo has been installed and is modern enough | |
512 | # that we can use it. | |
513 | gcc_AC_CHECK_PROG_VER(MAKEINFO, makeinfo, --version, | |
514 | [GNU texinfo.* \([0-9][0-9.]*\)], | |
8e97db8f | 515 | [4.[1-9]*]) |
09fa0705 ZW |
516 | fi |
517 | ||
518 | if test $gcc_cv_prog_makeinfo_modern = no; then | |
519 | AC_MSG_WARN([ | |
520 | *** Makeinfo is missing or too old. | |
17db6582 | 521 | *** Info documentation will not be built.]) |
09fa0705 | 522 | BUILD_INFO= |
09fa0705 ZW |
523 | else |
524 | BUILD_INFO=info AC_SUBST(BUILD_INFO) | |
09fa0705 ZW |
525 | fi |
526 | ||
3f896fc2 JM |
527 | # Is pod2man recent enough to regenerate manpages? |
528 | AC_MSG_CHECKING([for recent Pod::Man]) | |
7be33370 | 529 | if (perl -e 'use 1.10 Pod::Man') >/dev/null 2>&1; then |
fd939e46 JM |
530 | AC_MSG_RESULT(yes) |
531 | GENERATED_MANPAGES=generated-manpages AC_SUBST(GENERATED_MANPAGES) | |
532 | else | |
533 | AC_MSG_RESULT(no) | |
534 | GENERATED_MANPAGES= | |
535 | fi | |
536 | ||
1e608388 ZW |
537 | # How about lex? |
538 | dnl Don't use AC_PROG_LEX; we insist on flex. | |
539 | dnl LEXLIB is not useful in gcc. | |
540 | if test -f $srcdir/../flex/skel.c; then | |
541 | FLEX='$(objdir)/../flex/flex' | |
542 | else | |
543 | AC_CHECK_PROG(FLEX, flex, flex, false) | |
544 | fi | |
545 | ||
546 | # Bison? | |
547 | # The -L switch is so bison can find its skeleton file. | |
548 | if test -f $srcdir/../bison/bison.simple; then | |
549 | BISON='$(objdir)/../bison/bison -L $(srcdir)/../bison/' | |
550 | else | |
551 | AC_CHECK_PROG(BISON, bison, bison, false) | |
552 | fi | |
553 | ||
4e70264f ZW |
554 | # These libraries may be used by collect2. |
555 | # We may need a special search path to get them linked. | |
556 | AC_CACHE_CHECK(for collect2 libraries, gcc_cv_collect2_libs, | |
557 | [save_LIBS="$LIBS" | |
7f2749d4 | 558 | for libs in '' -lld -lmld \ |
4e70264f ZW |
559 | '-L/usr/lib/cmplrs/cc2.11 -lmld' \ |
560 | '-L/usr/lib/cmplrs/cc3.11 -lmld' | |
561 | do | |
562 | LIBS="$libs" | |
563 | AC_TRY_LINK_FUNC(ldopen, | |
564 | [gcc_cv_collect2_libs="$libs"; break]) | |
565 | done | |
566 | LIBS="$save_LIBS" | |
567 | test -z "$gcc_cv_collect2_libs" && gcc_cv_collect2_libs='none required']) | |
568 | case $gcc_cv_collect2_libs in | |
569 | "none required") ;; | |
570 | *) COLLECT2_LIBS=$gcc_cv_collect2_libs ;; | |
571 | esac | |
572 | AC_SUBST(COLLECT2_LIBS) | |
573 | ||
7f2749d4 RK |
574 | # When building Ada code on Alpha, we need exc_resume which is usually in |
575 | # -lexc. So test for it. | |
576 | save_LIBS="$LIBS" | |
577 | LIBS= | |
578 | AC_SEARCH_LIBS(exc_resume, exc) | |
579 | GNAT_LIBEXC="$LIBS" | |
580 | LIBS="$save_LIBS" | |
581 | AC_SUBST(GNAT_LIBEXC) | |
582 | ||
890ad3ea | 583 | # See if the stage1 system preprocessor understands the ANSI C |
4bc5fbd4 | 584 | # preprocessor stringification operator. (Used by symcat.h.) |
890ad3ea | 585 | AC_C_STRINGIZE |
76844337 | 586 | |
7636d567 JW |
587 | # Use <inttypes.h> only if it exists, |
588 | # doesn't clash with <sys/types.h>, and declares intmax_t. | |
589 | AC_MSG_CHECKING(for inttypes.h) | |
590 | AC_CACHE_VAL(gcc_cv_header_inttypes_h, | |
591 | [AC_TRY_COMPILE( | |
592 | [#include <sys/types.h> | |
593 | #include <inttypes.h>], | |
594 | [intmax_t i = -1;], | |
9da0e39b | 595 | [gcc_cv_header_inttypes_h=yes], |
7636d567 JW |
596 | gcc_cv_header_inttypes_h=no)]) |
597 | AC_MSG_RESULT($gcc_cv_header_inttypes_h) | |
9da0e39b | 598 | if test $gcc_cv_header_inttypes_h = yes; then |
119d24d1 KG |
599 | AC_DEFINE(HAVE_INTTYPES_H, 1, |
600 | [Define if you have a working <inttypes.h> header file.]) | |
9da0e39b | 601 | fi |
cdcc6a01 | 602 | |
9612ab65 ZW |
603 | dnl Disabled until we have a complete test for buggy enum bitfields. |
604 | dnl gcc_AC_C_ENUM_BF_UNSIGNED | |
c149cc37 | 605 | |
6af8c740 KG |
606 | AC_CHECK_FUNCS(times clock dup2 kill getrlimit setrlimit atoll atoq \ |
607 | sysconf strsignal putc_unlocked fputc_unlocked fputs_unlocked \ | |
608 | fwrite_unlocked fprintf_unlocked getrusage nl_langinfo lstat) | |
a81fb89e | 609 | |
f12bc141 | 610 | AC_CHECK_TYPE(ssize_t, int) |
56f48ce9 | 611 | |
e256b8b6 DA |
612 | # Try to determine the array type of the second argument of getgroups |
613 | # for the target system (int or gid_t). | |
614 | AC_TYPE_GETGROUPS | |
615 | if test "${target}" = "${build}"; then | |
616 | TARGET_GETGROUPS_T=$ac_cv_type_getgroups | |
617 | else | |
618 | case "${target}" in | |
619 | # This condition may need some tweaking. It should include all | |
620 | # targets where the array type of the second argument of getgroups | |
621 | # is int and the type of gid_t is not equivalent to int. | |
622 | *-*-sunos* | *-*-ultrix*) | |
623 | TARGET_GETGROUPS_T=int | |
624 | ;; | |
625 | *) | |
626 | TARGET_GETGROUPS_T=gid_t | |
627 | ;; | |
628 | esac | |
629 | fi | |
630 | AC_SUBST(TARGET_GETGROUPS_T) | |
631 | ||
99e757d5 | 632 | gcc_AC_FUNC_PRINTF_PTR |
b27d2bd5 MK |
633 | |
634 | case "${host}" in | |
635 | *-*-uwin*) | |
34fa3e7d MM |
636 | AC_MSG_ERROR([ |
637 | *** UWIN may not be used as a host platform because | |
638 | *** linking with posix.dll is not allowed by the GNU GPL]) | |
b27d2bd5 | 639 | ;; |
ee262b6f DR |
640 | *-*-*vms*) |
641 | # Under VMS, vfork works very different than on Unix. The standard test | |
642 | # won't work, and it isn't easily adaptable. It makes more sense to | |
643 | # just force it. | |
644 | ac_cv_func_vfork_works=yes | |
645 | ;; | |
b27d2bd5 | 646 | esac |
c375c43b | 647 | AC_FUNC_VFORK |
4acab94b | 648 | AC_FUNC_MMAP_ANYWHERE |
56f02b88 | 649 | AC_FUNC_MMAP_FILE |
f1b54f9b | 650 | |
f91abfce TT |
651 | AM_ICONV |
652 | ||
86cf1cbd KG |
653 | # We will need to find libiberty.h and ansidecl.h |
654 | saved_CFLAGS="$CFLAGS" | |
655 | CFLAGS="$CFLAGS -I${srcdir} -I${srcdir}/../include" | |
8e944909 | 656 | gcc_AC_CHECK_DECLS(getenv atol sbrk abort atof getcwd getwd \ |
3b681e9d | 657 | strsignal putc_unlocked fputs_unlocked fwrite_unlocked \ |
df2c9a44 | 658 | fprintf_unlocked strstr errno \ |
c1800ec8 | 659 | malloc realloc calloc free basename getopt clock, , ,[ |
d02af173 | 660 | #include "ansidecl.h" |
86cf1cbd | 661 | #include "system.h"]) |
c5c76735 | 662 | |
f31e826b | 663 | gcc_AC_CHECK_DECLS(getrlimit setrlimit getrusage, , ,[ |
d02af173 | 664 | #include "ansidecl.h" |
86cf1cbd | 665 | #include "system.h" |
d2cabf16 KG |
666 | #ifdef HAVE_SYS_RESOURCE_H |
667 | #include <sys/resource.h> | |
668 | #endif | |
669 | ]) | |
670 | ||
c1800ec8 ZW |
671 | gcc_AC_CHECK_DECLS(times, , ,[ |
672 | #include "ansidecl.h" | |
673 | #include "system.h" | |
674 | #ifdef HAVE_SYS_TIMES_H | |
675 | #include <sys/times.h> | |
676 | #endif | |
677 | ]) | |
678 | ||
679 | # More time-related stuff. | |
680 | AC_CACHE_CHECK(for struct tms, ac_cv_struct_tms, [ | |
681 | AC_TRY_COMPILE([ | |
682 | #include "ansidecl.h" | |
683 | #include "system.h" | |
684 | #ifdef HAVE_SYS_TIMES_H | |
685 | #include <sys/times.h> | |
686 | #endif | |
687 | ], [struct tms tms;], ac_cv_struct_tms=yes, ac_cv_struct_tms=no)]) | |
688 | if test $ac_cv_struct_tms = yes; then | |
689 | AC_DEFINE(HAVE_STRUCT_TMS, 1, | |
690 | [Define if <sys/times.h> defines struct tms.]) | |
691 | fi | |
692 | ||
693 | # use gcc_cv_* here because this doesn't match the behavior of AC_CHECK_TYPE. | |
694 | # revisit after autoconf 2.50. | |
695 | AC_CACHE_CHECK(for clock_t, gcc_cv_type_clock_t, [ | |
696 | AC_TRY_COMPILE([ | |
697 | #include "ansidecl.h" | |
698 | #include "system.h" | |
699 | ], [clock_t x;], gcc_cv_type_clock_t=yes, gcc_cv_type_clock_t=no)]) | |
700 | if test $gcc_cv_type_clock_t = yes; then | |
701 | AC_DEFINE(HAVE_CLOCK_T, 1, | |
702 | [Define if <time.h> defines clock_t.]) | |
703 | fi | |
704 | ||
86cf1cbd KG |
705 | # Restore CFLAGS from before the gcc_AC_NEED_DECLARATIONS tests. |
706 | CFLAGS="$saved_CFLAGS" | |
707 | ||
75923b2f | 708 | # mkdir takes a single argument on some systems. |
99e757d5 | 709 | gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG |
75923b2f | 710 | |
46f18e7b RK |
711 | # File extensions |
712 | manext='.1' | |
713 | objext='.o' | |
46f18e7b RK |
714 | AC_SUBST(manext) |
715 | AC_SUBST(objext) | |
46f18e7b RK |
716 | |
717 | build_xm_file= | |
61536478 | 718 | build_xm_defines= |
46f18e7b RK |
719 | build_install_headers_dir=install-headers-tar |
720 | build_exeext= | |
721 | host_xm_file= | |
61536478 | 722 | host_xm_defines= |
46f18e7b RK |
723 | host_xmake_file= |
724 | host_truncate_target= | |
6e26218f | 725 | host_exeext= |
46f18e7b RK |
726 | |
727 | # Decode the host machine, then the target machine. | |
728 | # For the host machine, we save the xm_file variable as host_xm_file; | |
729 | # then we decode the target machine and forget everything else | |
730 | # that came from the host machine. | |
731 | for machine in $build $host $target; do | |
61ed06c3 | 732 | . ${srcdir}/config.gcc |
46f18e7b RK |
733 | done |
734 | ||
735 | extra_objs="${host_extra_objs} ${extra_objs}" | |
736 | ||
737 | # Default the target-machine variables that were not explicitly set. | |
75bffa71 | 738 | if test x"$tm_file" = x |
46f18e7b RK |
739 | then tm_file=$cpu_type/$cpu_type.h; fi |
740 | ||
6b2adea9 | 741 | if test x"$extra_headers" = x |
46f18e7b RK |
742 | then extra_headers=; fi |
743 | ||
75bffa71 | 744 | if test x$md_file = x |
e98e406f | 745 | then md_file=$cpu_type/$cpu_type.md; fi |
46f18e7b | 746 | |
75bffa71 | 747 | if test x$out_file = x |
46f18e7b RK |
748 | then out_file=$cpu_type/$cpu_type.c; fi |
749 | ||
75bffa71 | 750 | if test x"$tmake_file" = x |
46f18e7b RK |
751 | then tmake_file=$cpu_type/t-$cpu_type |
752 | fi | |
753 | ||
90e6a802 | 754 | if test x"$dwarf2" = xyes |
756ee602 | 755 | then tm_file="$tm_file tm-dwarf2.h" |
90e6a802 RL |
756 | fi |
757 | ||
75bffa71 | 758 | if test x$float_format = x |
46f18e7b RK |
759 | then float_format=i64 |
760 | fi | |
761 | ||
027ea2a7 JW |
762 | if test $float_format = none |
763 | then float_h_file=Makefile.in | |
764 | else float_h_file=float-$float_format.h | |
765 | fi | |
766 | ||
9fc9b82a | 767 | # Handle cpp installation. |
3ecc3258 | 768 | if test x$enable_cpp != xno |
9fc9b82a L |
769 | then |
770 | tmake_file="$tmake_file t-install-cpp" | |
771 | fi | |
772 | ||
46f18e7b | 773 | # Say what files are being used for the output code and MD file. |
11642c3a | 774 | echo "Using \`$srcdir/config/$out_file' for machine-specific logic." |
46f18e7b RK |
775 | echo "Using \`$srcdir/config/$md_file' as machine description file." |
776 | ||
11642c3a | 777 | # If any of the xm_file variables contain nonexistent files, warn |
4dc0535b ZW |
778 | # about them and drop them. |
779 | ||
11642c3a ZW |
780 | bx= |
781 | for x in $build_xm_file; do | |
782 | if test -f $srcdir/config/$x | |
783 | then bx="$bx $x" | |
11642c3a ZW |
784 | else AC_MSG_WARN($srcdir/config/$x does not exist.) |
785 | fi | |
786 | done | |
787 | build_xm_file="$bx" | |
788 | ||
789 | hx= | |
790 | for x in $host_xm_file; do | |
791 | if test -f $srcdir/config/$x | |
792 | then hx="$hx $x" | |
11642c3a ZW |
793 | else AC_MSG_WARN($srcdir/config/$x does not exist.) |
794 | fi | |
795 | done | |
796 | host_xm_file="$hx" | |
797 | ||
798 | tx= | |
799 | for x in $xm_file; do | |
800 | if test -f $srcdir/config/$x | |
801 | then tx="$tx $x" | |
11642c3a ZW |
802 | else AC_MSG_WARN($srcdir/config/$x does not exist.) |
803 | fi | |
804 | done | |
805 | xm_file="$tx" | |
806 | ||
46f18e7b RK |
807 | count=a |
808 | for f in $tm_file; do | |
809 | count=${count}x | |
810 | done | |
75bffa71 | 811 | if test $count = ax; then |
46f18e7b RK |
812 | echo "Using \`$srcdir/config/$tm_file' as target machine macro file." |
813 | else | |
814 | echo "Using the following target machine macro files:" | |
815 | for f in $tm_file; do | |
816 | echo " $srcdir/config/$f" | |
817 | done | |
818 | fi | |
819 | ||
820 | count=a | |
821 | for f in $host_xm_file; do | |
822 | count=${count}x | |
823 | done | |
11642c3a ZW |
824 | if test $count = a; then |
825 | : | |
826 | elif test $count = ax; then | |
46f18e7b RK |
827 | echo "Using \`$srcdir/config/$host_xm_file' as host machine macro file." |
828 | else | |
829 | echo "Using the following host machine macro files:" | |
830 | for f in $host_xm_file; do | |
831 | echo " $srcdir/config/$f" | |
832 | done | |
833 | fi | |
834 | ||
75bffa71 | 835 | if test "$host_xm_file" != "$build_xm_file"; then |
46f18e7b RK |
836 | count=a |
837 | for f in $build_xm_file; do | |
838 | count=${count}x | |
839 | done | |
11642c3a ZW |
840 | if test $count = a; then |
841 | : | |
842 | elif test $count = ax; then | |
46f18e7b RK |
843 | echo "Using \`$srcdir/config/$build_xm_file' as build machine macro file." |
844 | else | |
845 | echo "Using the following build machine macro files:" | |
846 | for f in $build_xm_file; do | |
847 | echo " $srcdir/config/$f" | |
848 | done | |
849 | fi | |
850 | fi | |
851 | ||
75bffa71 ILT |
852 | if test x$thread_file = x; then |
853 | if test x$target_thread_file != x; then | |
a851212a JW |
854 | thread_file=$target_thread_file |
855 | else | |
856 | thread_file='single' | |
857 | fi | |
46f18e7b | 858 | fi |
46f18e7b | 859 | |
b7cb92ad | 860 | # auto-host.h is the file containing items generated by autoconf and is |
e9a25f70 | 861 | # the first file included by config.h. |
b7cb92ad | 862 | # If host=build, it is correct to have hconfig include auto-host.h |
db81d74a RH |
863 | # as well. If host!=build, we are in error and need to do more |
864 | # work to find out the build config parameters. | |
75bffa71 | 865 | if test x$host = x$build |
db81d74a | 866 | then |
eaf4e618 | 867 | build_auto=auto-host.h |
06f0b04c | 868 | FORBUILD=.. |
b7cb92ad JL |
869 | else |
870 | # We create a subdir, then run autoconf in the subdir. | |
871 | # To prevent recursion we set host and build for the new | |
872 | # invocation of configure to the build for this invocation | |
873 | # of configure. | |
874 | tempdir=build.$$ | |
875 | rm -rf $tempdir | |
876 | mkdir $tempdir | |
877 | cd $tempdir | |
878 | case ${srcdir} in | |
b86ecfa9 | 879 | /* | [A-Za-z]:[\\/]* ) realsrcdir=${srcdir};; |
b7cb92ad JL |
880 | *) realsrcdir=../${srcdir};; |
881 | esac | |
d920e825 L |
882 | saved_CFLAGS="${CFLAGS}" |
883 | CC="${CC_FOR_BUILD}" CFLAGS="${CFLAGS_FOR_BUILD}" \ | |
884 | ${realsrcdir}/configure \ | |
b7cb92ad | 885 | --target=$target --host=$build --build=$build |
d920e825 | 886 | CFLAGS="${saved_CFLAGS}" |
b7cb92ad JL |
887 | |
888 | # We just finished tests for the build machine, so rename | |
889 | # the file auto-build.h in the gcc directory. | |
890 | mv auto-host.h ../auto-build.h | |
891 | cd .. | |
892 | rm -rf $tempdir | |
eaf4e618 | 893 | build_auto=auto-build.h |
06f0b04c | 894 | FORBUILD=../$build |
db81d74a | 895 | fi |
06f0b04c | 896 | AC_SUBST(FORBUILD) |
db81d74a | 897 | |
eaf4e618 | 898 | tm_file="${tm_file} defaults.h" |
d02af173 ZW |
899 | host_xm_file="auto-host.h ansidecl.h ${host_xm_file} ${tm_file}" |
900 | build_xm_file="${build_auto} ansidecl.h ${build_xm_file} ${tm_file}" | |
901 | xm_file="ansidecl.h ${xm_file} ${tm_file}" | |
0056a9b5 | 902 | |
46f18e7b | 903 | # Truncate the target if necessary |
75bffa71 | 904 | if test x$host_truncate_target != x; then |
46f18e7b RK |
905 | target=`echo $target | sed -e 's/\(..............\).*/\1/'` |
906 | fi | |
907 | ||
f1943b77 | 908 | # Get the version trigger filename from the toplevel |
75bffa71 | 909 | if test "${with_gcc_version_trigger+set}" = set; then |
f1943b77 MH |
910 | gcc_version_trigger=$with_gcc_version_trigger |
911 | else | |
912 | gcc_version_trigger=${srcdir}/version.c | |
913 | fi | |
75bffa71 | 914 | changequote(,)dnl |
022dae81 | 915 | gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*"\([^"]*\)".*/\1/'` |
8763704d | 916 | gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'` |
cc1e60ea JM |
917 | |
918 | # Compile in configure arguments. | |
8105825d | 919 | if test -f configargs.h ; then |
cc1e60ea | 920 | # Being re-configured. |
022dae81 | 921 | gcc_config_arguments=`grep configuration_arguments configargs.h | sed -e 's/.*"\([^"]*\)".*/\1/'` |
cc1e60ea JM |
922 | gcc_config_arguments="$gcc_config_arguments : (reconfigured) $TOPLEVEL_CONFIGURE_ARGUMENTS" |
923 | else | |
924 | gcc_config_arguments="$TOPLEVEL_CONFIGURE_ARGUMENTS" | |
925 | fi | |
926 | cat > configargs.h <<EOF | |
927 | /* Generated automatically. */ | |
928 | static const char configuration_arguments[] = "$gcc_config_arguments"; | |
a6687d2b | 929 | static const char thread_model[] = "$thread_file"; |
cc1e60ea | 930 | EOF |
75bffa71 | 931 | changequote([,])dnl |
46f18e7b | 932 | |
ab87f8c8 JL |
933 | # Internationalization |
934 | PACKAGE=gcc | |
935 | VERSION="$gcc_version" | |
ab87f8c8 JL |
936 | AC_SUBST(PACKAGE) |
937 | AC_SUBST(VERSION) | |
938 | ||
dc6746e7 | 939 | # Enable NLS support by default |
ab87f8c8 | 940 | AC_ARG_ENABLE(nls, |
dc6746e7 PT |
941 | [ --enable-nls use Native Language Support (default)], |
942 | , enable_nls=yes) | |
943 | ||
944 | # if cross compiling, disable NLS support. | |
945 | # It's not worth the trouble, at least for now. | |
946 | ||
063a4b85 | 947 | if test "${build}" != "${host}" && test "x$enable_nls" = "xyes"; then |
dc6746e7 PT |
948 | AC_MSG_WARN(Disabling NLS support for canadian cross compiler.) |
949 | enable_nls=no | |
950 | fi | |
ab87f8c8 JL |
951 | |
952 | AM_GNU_GETTEXT | |
ab87f8c8 | 953 | |
f4ab28e3 MK |
954 | # Windows32 Registry support for specifying GCC installation paths. |
955 | AC_ARG_ENABLE(win32-registry, | |
956 | [ --disable-win32-registry | |
e8bec136 RO |
957 | disable lookup of installation paths in the |
958 | Registry on Windows hosts | |
959 | --enable-win32-registry enable registry lookup (default) | |
f4ab28e3 | 960 | --enable-win32-registry=KEY |
e8bec136 RO |
961 | use KEY instead of GCC version as the last portion |
962 | of the registry key],,) | |
4e70264f ZW |
963 | case $host_os in |
964 | win32 | pe | cygwin* | mingw32* | uwin*) | |
f4ab28e3 | 965 | AC_MSG_CHECKING(whether windows registry support is requested) |
9dd53f2c | 966 | if test "x$enable_win32_registry" != xno; then |
119d24d1 KG |
967 | AC_DEFINE(ENABLE_WIN32_REGISTRY, 1, |
968 | [Define to 1 if installation paths should be looked up in Windows32 | |
91029a29 | 969 | Registry. Ignored on non windows32 hosts.]) |
f4ab28e3 | 970 | AC_MSG_RESULT(yes) |
4e70264f | 971 | AC_SEARCH_LIBS(RegOpenKeyExA, advapi32) |
f4ab28e3 MK |
972 | else |
973 | AC_MSG_RESULT(no) | |
974 | fi | |
975 | ||
976 | # Check if user specified a different registry key. | |
9dd53f2c | 977 | case "x${enable_win32_registry}" in |
f4ab28e3 MK |
978 | x | xyes) |
979 | # default. | |
980 | gcc_cv_win32_registry_key="$VERSION" | |
981 | ;; | |
982 | xno) | |
983 | # no registry lookup. | |
984 | gcc_cv_win32_registry_key='' | |
985 | ;; | |
986 | *) | |
987 | # user-specified key. | |
988 | gcc_cv_win32_registry_key="$enable_win32_registry" | |
989 | ;; | |
990 | esac | |
991 | ||
9dd53f2c | 992 | if test "x$enable_win32_registry" != xno; then |
f4ab28e3 | 993 | AC_MSG_CHECKING(registry key on windows hosts) |
119d24d1 KG |
994 | AC_DEFINE_UNQUOTED(WIN32_REGISTRY_KEY, "$gcc_cv_win32_registry_key", |
995 | [Define to be the last portion of registry key on windows hosts.]) | |
f4ab28e3 MK |
996 | AC_MSG_RESULT($gcc_cv_win32_registry_key) |
997 | fi | |
4e70264f ZW |
998 | ;; |
999 | esac | |
f4ab28e3 | 1000 | |
7fa10b25 RK |
1001 | # Get an absolute path to the GCC top-level source directory |
1002 | holddir=`pwd` | |
1003 | cd $srcdir | |
1004 | topdir=`pwd` | |
1005 | cd $holddir | |
1006 | ||
af5e4ada | 1007 | # Conditionalize the makefile for this host machine. |
94f42018 DE |
1008 | # Make-host contains the concatenation of all host makefile fragments |
1009 | # [there can be more than one]. This file is built by configure.frag. | |
1010 | host_overrides=Make-host | |
af5e4ada | 1011 | dep_host_xmake_file= |
94f42018 DE |
1012 | for f in .. ${host_xmake_file} |
1013 | do | |
75bffa71 | 1014 | if test -f ${srcdir}/config/$f |
94f42018 DE |
1015 | then |
1016 | dep_host_xmake_file="${dep_host_xmake_file} ${srcdir}/config/$f" | |
1017 | fi | |
1018 | done | |
46f18e7b | 1019 | |
af5e4ada | 1020 | # Conditionalize the makefile for this target machine. |
94f42018 DE |
1021 | # Make-target contains the concatenation of all host makefile fragments |
1022 | # [there can be more than one]. This file is built by configure.frag. | |
1023 | target_overrides=Make-target | |
af5e4ada | 1024 | dep_tmake_file= |
94f42018 DE |
1025 | for f in .. ${tmake_file} |
1026 | do | |
75bffa71 | 1027 | if test -f ${srcdir}/config/$f |
94f42018 DE |
1028 | then |
1029 | dep_tmake_file="${dep_tmake_file} ${srcdir}/config/$f" | |
1030 | fi | |
1031 | done | |
5891b37d | 1032 | |
af5e4ada DE |
1033 | # If the host doesn't support symlinks, modify CC in |
1034 | # FLAGS_TO_PASS so CC="stage1/xgcc -Bstage1/" works. | |
1035 | # Otherwise, we can use "CC=$(CC)". | |
1036 | rm -f symtest.tem | |
61536478 | 1037 | if $symbolic_link $srcdir/gcc.c symtest.tem 2>/dev/null |
af5e4ada DE |
1038 | then |
1039 | cc_set_by_configure="\$(CC)" | |
5aa82ace | 1040 | quoted_cc_set_by_configure="\$(CC)" |
af5e4ada | 1041 | stage_prefix_set_by_configure="\$(STAGE_PREFIX)" |
596151e1 | 1042 | quoted_stage_prefix_set_by_configure="\$(STAGE_PREFIX)" |
af5e4ada | 1043 | else |
61536478 JL |
1044 | rm -f symtest.tem |
1045 | if cp -p $srcdir/gcc.c symtest.tem 2>/dev/null | |
1046 | then | |
1047 | symbolic_link="cp -p" | |
1048 | else | |
1049 | symbolic_link="cp" | |
1050 | fi | |
af5e4ada | 1051 | cc_set_by_configure="\`case '\$(CC)' in stage*) echo '\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\$(CC)';; esac\`" |
5aa82ace | 1052 | quoted_cc_set_by_configure="\\\`case '\\\$(CC)' in stage*) echo '\\\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(CC)';; esac\\\`" |
af5e4ada | 1053 | stage_prefix_set_by_configure="\`case '\$(STAGE_PREFIX)' in stage*) echo '\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\$(STAGE_PREFIX)';; esac\`" |
596151e1 | 1054 | 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 |
1055 | fi |
1056 | rm -f symtest.tem | |
5891b37d | 1057 | |
af5e4ada | 1058 | out_object_file=`basename $out_file .c`.o |
5891b37d | 1059 | |
af5e4ada DE |
1060 | tm_file_list= |
1061 | for f in $tm_file; do | |
64ccbc99 | 1062 | case $f in |
d02af173 ZW |
1063 | ansidecl.h ) |
1064 | tm_file_list="${tm_file_list} \$(srcdir)/../include/ansidecl.h" ;; | |
1065 | defaults.h ) | |
64ccbc99 KG |
1066 | tm_file_list="${tm_file_list} $f" ;; |
1067 | *) tm_file_list="${tm_file_list} \$(srcdir)/config/$f" ;; | |
1068 | esac | |
af5e4ada | 1069 | done |
46f18e7b | 1070 | |
11642c3a ZW |
1071 | tm_p_file_list= |
1072 | for f in $tm_p_file; do | |
1073 | tm_p_file_list="${tm_p_file_list} \$(srcdir)/config/$f" | |
1074 | done | |
1075 | ||
af5e4ada DE |
1076 | host_xm_file_list= |
1077 | for f in $host_xm_file; do | |
64ccbc99 | 1078 | case $f in |
d02af173 ZW |
1079 | ansidecl.h ) |
1080 | host_xm_file_list="${host_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;; | |
1081 | auto-host.h | defaults.h ) | |
64ccbc99 KG |
1082 | host_xm_file_list="${host_xm_file_list} $f" ;; |
1083 | *) host_xm_file_list="${host_xm_file_list} \$(srcdir)/config/$f" ;; | |
1084 | esac | |
af5e4ada DE |
1085 | done |
1086 | ||
1087 | build_xm_file_list= | |
1088 | for f in $build_xm_file; do | |
64ccbc99 | 1089 | case $f in |
d02af173 ZW |
1090 | ansidecl.h ) |
1091 | build_xm_file_list="${build_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;; | |
1092 | auto-build.h | auto-host.h | defaults.h ) | |
64ccbc99 KG |
1093 | build_xm_file_list="${build_xm_file_list} $f" ;; |
1094 | *) build_xm_file_list="${build_xm_file_list} \$(srcdir)/config/$f" ;; | |
1095 | esac | |
af5e4ada | 1096 | done |
46f18e7b | 1097 | |
a078a589 ZW |
1098 | # Define macro CROSS_COMPILE in compilation if this is a cross-compiler. |
1099 | # Also use all.cross instead of all.internal and adjust SYSTEM_HEADER_DIR. | |
1100 | CROSS= AC_SUBST(CROSS) | |
1101 | ALL=all.internal AC_SUBST(ALL) | |
1102 | SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)' AC_SUBST(SYSTEM_HEADER_DIR) | |
75bffa71 | 1103 | if test x$host != x$target |
af5e4ada | 1104 | then |
a078a589 ZW |
1105 | CROSS="-DCROSS_COMPILE" |
1106 | ALL=all.cross | |
1107 | SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)' | |
af5e4ada | 1108 | fi |
46f18e7b | 1109 | |
b39d221a EC |
1110 | # If this is a cross-compiler that does not |
1111 | # have its own set of headers then define | |
1112 | # inhibit_libc | |
1113 | ||
fecd6201 ZW |
1114 | # If this is using newlib, then define inhibit_libc in LIBGCC2_CFLAGS. |
1115 | # This prevents libgcc2 from containing any code which requires libc | |
1116 | # support. | |
b39d221a EC |
1117 | inhibit_libc= |
1118 | if [test x$host != x$target] && [test x$with_headers = x]; then | |
1119 | inhibit_libc=-Dinhibit_libc | |
1120 | else | |
1121 | if [test x$with_newlib = xyes]; then | |
1122 | inhibit_libc=-Dinhibit_libc | |
1123 | fi | |
1124 | fi | |
1125 | AC_SUBST(inhibit_libc) | |
1126 | ||
a078a589 ZW |
1127 | # When building gcc with a cross-compiler, we need to adjust things so |
1128 | # that the generator programs are still built with the native compiler. | |
1129 | # Also, we cannot run fixincludes or fix-header. | |
1130 | # Note that the terminology here is wrong; it should be BUILD_* throughout. | |
1131 | # FIXME. | |
1132 | ||
1133 | # These are the normal (build=host) settings: | |
1134 | HOST_PREFIX= AC_SUBST(HOST_PREFIX) | |
1135 | HOST_PREFIX_1=ignore- AC_SUBST(HOST_PREFIX_1) | |
1136 | HOST_CC='$(CC)' AC_SUBST(HOST_CC) | |
1137 | HOST_CFLAGS='$(ALL_CFLAGS)' AC_SUBST(HOST_CFLAGS) | |
1138 | ||
1139 | STMP_FIXINC=stmp-fixinc AC_SUBST(STMP_FIXINC) | |
1140 | STMP_FIXPROTO=stmp-fixproto AC_SUBST(STMP_FIXPROTO) | |
1141 | ||
1142 | # And these apply if build != host. | |
75bffa71 | 1143 | if test x$build != x$host |
af5e4ada | 1144 | then |
a078a589 ZW |
1145 | HOST_PREFIX=build- |
1146 | HOST_PREFIX_1=build- | |
1147 | HOST_CC='$(CC_FOR_BUILD)' | |
1148 | HOST_CFLAGS='$(INTERNAL_CFLAGS) $(T_CFLAGS) $(CFLAGS_FOR_BUILD) $(XCFLAGS)' | |
1149 | ||
1150 | STMP_FIXINC= | |
1151 | STMP_FIXPROTO= | |
af5e4ada | 1152 | fi |
46f18e7b | 1153 | |
ae3a15bb DE |
1154 | # Expand extra_headers to include complete path. |
1155 | # This substitutes for lots of t-* files. | |
1156 | extra_headers_list= | |
75bffa71 | 1157 | if test "x$extra_headers" = x |
ae3a15bb DE |
1158 | then true |
1159 | else | |
29f7a208 | 1160 | # Prepend ${srcdir}/config/${cpu_type}/ to every entry in extra_headers. |
ae3a15bb DE |
1161 | for file in $extra_headers; |
1162 | do | |
29f7a208 | 1163 | extra_headers_list="${extra_headers_list} \$(srcdir)/config/${cpu_type}/${file}" |
ae3a15bb DE |
1164 | done |
1165 | fi | |
1166 | ||
75bffa71 | 1167 | if test x$use_collect2 = xno; then |
2ce3c6c6 JM |
1168 | use_collect2= |
1169 | fi | |
1170 | ||
af5e4ada | 1171 | # Add a definition of USE_COLLECT2 if system wants one. |
2cc07db4 | 1172 | if test x$use_collect2 != x |
af5e4ada | 1173 | then |
2cc07db4 RH |
1174 | host_xm_defines="${host_xm_defines} USE_COLLECT2" |
1175 | xm_defines="${xm_defines} USE_COLLECT2" | |
af5e4ada DE |
1176 | fi |
1177 | ||
af5e4ada | 1178 | # If we have gas in the build tree, make a link to it. |
75bffa71 | 1179 | if test -f ../gas/Makefile; then |
6e26218f | 1180 | rm -f as; $symbolic_link ../gas/as-new$host_exeext as$host_exeext 2>/dev/null |
af5e4ada DE |
1181 | fi |
1182 | ||
3cae5780 | 1183 | # If we have nm and objdump in the build tree, make a link to them. |
75bffa71 | 1184 | if test -f ../binutils/Makefile; then |
4b95eb49 | 1185 | rm -f nm; $symbolic_link ../binutils/nm-new$host_exeext nm$host_exeext 2>/dev/null |
3cae5780 | 1186 | rm -f objdump; $symbolic_link ../binutils/objdump$host_exeext objdump$host_exeext 2>/dev/null |
4b95eb49 JL |
1187 | fi |
1188 | ||
af5e4ada | 1189 | # If we have ld in the build tree, make a link to it. |
75bffa71 | 1190 | if test -f ../ld/Makefile; then |
2cc07db4 | 1191 | rm -f collect-ld; $symbolic_link ../ld/ld-new$host_exeext collect-ld$host_exeext 2>/dev/null |
af5e4ada DE |
1192 | fi |
1193 | ||
981d4858 JM |
1194 | # Figure out what assembler we will be using. |
1195 | AC_MSG_CHECKING(what assembler to use) | |
9e423e6d | 1196 | gcc_cv_as= |
981d4858 JM |
1197 | gcc_cv_gas_major_version= |
1198 | gcc_cv_gas_minor_version= | |
a2f319ea | 1199 | gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/gas |
0936a455 | 1200 | gcc_cv_as_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd |
3ccc3a56 AO |
1201 | if test -x "$DEFAULT_ASSEMBLER"; then |
1202 | gcc_cv_as="$DEFAULT_ASSEMBLER" | |
1203 | elif test -x "$AS"; then | |
1204 | gcc_cv_as="$AS" | |
ab339d62 | 1205 | elif test -x as$host_exeext; then |
9e423e6d JW |
1206 | # Build using assembler in the current directory. |
1207 | gcc_cv_as=./as$host_exeext | |
5585c1bc | 1208 | elif test -f $gcc_cv_as_gas_srcdir/configure.in -a -f ../gas/Makefile; then |
9e423e6d | 1209 | # Single tree build which includes gas. |
0936a455 | 1210 | 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 | 1211 | do |
75bffa71 ILT |
1212 | changequote(,)dnl |
1213 | gcc_cv_gas_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f` | |
1214 | changequote([,])dnl | |
1215 | if test x$gcc_cv_gas_version != x; then | |
9e423e6d JW |
1216 | break |
1217 | fi | |
1218 | done | |
75bffa71 ILT |
1219 | changequote(,)dnl |
1220 | gcc_cv_gas_major_version=`expr "$gcc_cv_gas_version" : "VERSION=\([0-9]*\)"` | |
1221 | gcc_cv_gas_minor_version=`expr "$gcc_cv_gas_version" : "VERSION=[0-9]*\.\([0-9]*\)"` | |
1222 | changequote([,])dnl | |
981d4858 JM |
1223 | fi |
1224 | ||
1225 | if test "x$gcc_cv_as" = x -a x$host = x$target; then | |
9e423e6d | 1226 | # Native build. |
779243f7 JL |
1227 | # Search the same directories that the installed compiler will |
1228 | # search. Else we may find the wrong assembler and lose. If we | |
1229 | # do not find a suitable assembler binary, then try the user's | |
1230 | # path. | |
1231 | # | |
1232 | # Also note we have to check MD_EXEC_PREFIX before checking the | |
1233 | # user's path. Unfortunately, there is no good way to get at the | |
1234 | # value of MD_EXEC_PREFIX here. So we do a brute force search | |
1235 | # through all the known MD_EXEC_PREFIX values. Ugh. This needs | |
1236 | # to be fixed as part of the make/configure rewrite too. | |
1237 | ||
1238 | if test "x$exec_prefix" = xNONE; then | |
1239 | if test "x$prefix" = xNONE; then | |
1240 | test_prefix=/usr/local | |
1241 | else | |
1242 | test_prefix=$prefix | |
1243 | fi | |
1244 | else | |
1245 | test_prefix=$exec_prefix | |
1246 | fi | |
1247 | ||
1248 | # If the loop below does not find an assembler, then use whatever | |
1249 | # one we can find in the users's path. | |
1250 | # user's path. | |
16a0fe50 | 1251 | gcc_cv_as=as$host_exeext |
779243f7 JL |
1252 | |
1253 | test_dirs="$test_prefix/lib/gcc-lib/$target/$gcc_version \ | |
1254 | $test_prefix/lib/gcc-lib/$target \ | |
1255 | /usr/lib/gcc/$target/$gcc_version \ | |
1256 | /usr/lib/gcc/$target \ | |
1257 | $test_prefix/$target/bin/$target/$gcc_version \ | |
1258 | $test_prefix/$target/bin \ | |
1259 | /usr/libexec \ | |
1260 | /usr/ccs/gcc \ | |
1261 | /usr/ccs/bin \ | |
1262 | /udk/usr/ccs/bin \ | |
1263 | /bsd43/usr/lib/cmplrs/cc \ | |
1264 | /usr/cross64/usr/bin \ | |
1265 | /usr/lib/cmplrs/cc \ | |
1266 | /sysv/usr/lib/cmplrs/cc \ | |
1267 | /svr4/usr/lib/cmplrs/cc \ | |
1268 | /usr/bin" | |
1269 | ||
1270 | for dir in $test_dirs; do | |
1271 | if test -f $dir/as$host_exeext; then | |
1272 | gcc_cv_as=$dir/as$host_exeext | |
1273 | break; | |
1274 | fi | |
1275 | done | |
9e423e6d | 1276 | fi |
981d4858 JM |
1277 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then |
1278 | AC_MSG_RESULT("newly built gas") | |
1279 | else | |
1280 | AC_MSG_RESULT($gcc_cv_as) | |
1281 | fi | |
1282 | ||
275b60d6 JJ |
1283 | # Figure out what linker we will be using. |
1284 | AC_MSG_CHECKING(what linker to use) | |
1285 | gcc_cv_ld= | |
1286 | gcc_cv_gld_major_version= | |
1287 | gcc_cv_gld_minor_version= | |
1288 | gcc_cv_ld_gld_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/ld | |
1289 | gcc_cv_ld_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd | |
1290 | if test -x "$DEFAULT_LINKER"; then | |
1291 | gcc_cv_ld="$DEFAULT_LINKER" | |
1292 | elif test -x "$LD"; then | |
1293 | gcc_cv_ld="$LD" | |
1294 | elif test -x ld$host_exeext; then | |
1295 | # Build using linker in the current directory. | |
1296 | gcc_cv_ld=./ld$host_exeext | |
1297 | elif test -f $gcc_cv_ld_gld_srcdir/configure.in -a -f ../ld/Makefile; then | |
1298 | # Single tree build which includes ld. | |
1299 | 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 | |
1300 | do | |
1301 | changequote(,)dnl | |
1302 | gcc_cv_gld_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f` | |
1303 | changequote([,])dnl | |
1304 | if test x$gcc_cv_gld_version != x; then | |
1305 | break | |
1306 | fi | |
1307 | done | |
1308 | changequote(,)dnl | |
1309 | gcc_cv_gld_major_version=`expr "$gcc_cv_gld_version" : "VERSION=\([0-9]*\)"` | |
1310 | gcc_cv_gld_minor_version=`expr "$gcc_cv_gld_version" : "VERSION=[0-9]*\.\([0-9]*\)"` | |
1311 | changequote([,])dnl | |
1312 | fi | |
1313 | ||
1314 | if test "x$gcc_cv_ld" = x -a x$host = x$target; then | |
1315 | # Native build. | |
1316 | # Search the same directories that the installed compiler will | |
1317 | # search. Else we may find the wrong linker and lose. If we | |
1318 | # do not find a suitable linker binary, then try the user's | |
1319 | # path. | |
1320 | # | |
1321 | # Also note we have to check MD_EXEC_PREFIX before checking the | |
1322 | # user's path. Unfortunately, there is no good way to get at the | |
1323 | # value of MD_EXEC_PREFIX here. So we do a brute force search | |
1324 | # through all the known MD_EXEC_PREFIX values. Ugh. This needs | |
1325 | # to be fixed as part of the make/configure rewrite too. | |
1326 | ||
1327 | if test "x$exec_prefix" = xNONE; then | |
1328 | if test "x$prefix" = xNONE; then | |
1329 | test_prefix=/usr/local | |
1330 | else | |
1331 | test_prefix=$prefix | |
1332 | fi | |
1333 | else | |
1334 | test_prefix=$exec_prefix | |
1335 | fi | |
1336 | ||
1337 | # If the loop below does not find an linker, then use whatever | |
1338 | # one we can find in the users's path. | |
1339 | # user's path. | |
1340 | gcc_cv_ld=ld$host_exeext | |
1341 | ||
1342 | test_dirs="$test_prefix/lib/gcc-lib/$target/$gcc_version \ | |
1343 | $test_prefix/lib/gcc-lib/$target \ | |
1344 | /usr/lib/gcc/$target/$gcc_version \ | |
1345 | /usr/lib/gcc/$target \ | |
1346 | $test_prefix/$target/bin/$target/$gcc_version \ | |
1347 | $test_prefix/$target/bin \ | |
1348 | /usr/libexec \ | |
1349 | /usr/ccs/gcc \ | |
1350 | /usr/ccs/bin \ | |
1351 | /udk/usr/ccs/bin \ | |
1352 | /bsd43/usr/lib/cmplrs/cc \ | |
1353 | /usr/cross64/usr/bin \ | |
1354 | /usr/lib/cmplrs/cc \ | |
1355 | /sysv/usr/lib/cmplrs/cc \ | |
1356 | /svr4/usr/lib/cmplrs/cc \ | |
1357 | /usr/bin" | |
1358 | ||
1359 | for dir in $test_dirs; do | |
1360 | if test -f $dir/ld$host_exeext; then | |
1361 | gcc_cv_ld=$dir/ld$host_exeext | |
1362 | break; | |
1363 | fi | |
1364 | done | |
1365 | fi | |
1366 | if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then | |
1367 | AC_MSG_RESULT("newly built ld") | |
1368 | else | |
1369 | AC_MSG_RESULT($gcc_cv_ld) | |
1370 | fi | |
1371 | ||
981d4858 JM |
1372 | # Figure out what nm we will be using. |
1373 | AC_MSG_CHECKING(what nm to use) | |
1374 | if test -x nm$host_exeext; then | |
1375 | gcc_cv_nm=./nm$host_exeext | |
1376 | elif test x$host = x$target; then | |
1377 | # Native build. | |
1378 | gcc_cv_nm=nm$host_exeext | |
1379 | fi | |
1380 | AC_MSG_RESULT($gcc_cv_nm) | |
1381 | ||
3cae5780 AS |
1382 | # Figure out what objdump we will be using. |
1383 | AC_MSG_CHECKING(what objdump to use) | |
1384 | if test -x objdump$host_exeext; then | |
1385 | gcc_cv_objdump=./objdump$host_exeext | |
1386 | elif test x$host = x$target; then | |
1387 | # Native build. | |
1388 | gcc_cv_objdump=objdump$host_exeext | |
1389 | fi | |
1390 | AC_MSG_RESULT($gcc_cv_objdump) | |
1391 | ||
981d4858 JM |
1392 | # Figure out what assembler alignment features are present. |
1393 | AC_MSG_CHECKING(assembler alignment features) | |
9d147085 | 1394 | gcc_cv_as_alignment_features=none |
981d4858 JM |
1395 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then |
1396 | # Gas version 2.6 and later support for .balign and .p2align. | |
1397 | # bytes to skip when using .p2align. | |
1398 | if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 6 -o "$gcc_cv_gas_major_version" -gt 2; then | |
1399 | gcc_cv_as_alignment_features=".balign and .p2align" | |
1400 | AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN) | |
1401 | fi | |
1402 | # Gas version 2.8 and later support specifying the maximum | |
1403 | # bytes to skip when using .p2align. | |
1404 | if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 8 -o "$gcc_cv_gas_major_version" -gt 2; then | |
1405 | gcc_cv_as_alignment_features=".p2align including maximum skip" | |
1406 | AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN) | |
1407 | fi | |
1408 | elif test x$gcc_cv_as != x; then | |
00ccc16d JL |
1409 | # Check if we have .balign and .p2align |
1410 | echo ".balign 4" > conftest.s | |
1411 | echo ".p2align 2" >> conftest.s | |
1412 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
1413 | gcc_cv_as_alignment_features=".balign and .p2align" | |
1414 | AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN) | |
1415 | fi | |
1416 | rm -f conftest.s conftest.o | |
9e423e6d JW |
1417 | # Check if specifying the maximum bytes to skip when |
1418 | # using .p2align is supported. | |
1419 | echo ".p2align 4,,7" > conftest.s | |
1420 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
1421 | gcc_cv_as_alignment_features=".p2align including maximum skip" | |
1422 | AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN) | |
1423 | fi | |
1424 | rm -f conftest.s conftest.o | |
1425 | fi | |
1426 | AC_MSG_RESULT($gcc_cv_as_alignment_features) | |
1427 | ||
d1accaa3 | 1428 | AC_MSG_CHECKING(assembler subsection support) |
9d147085 | 1429 | gcc_cv_as_subsections=no |
981d4858 JM |
1430 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then |
1431 | if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then | |
1432 | gcc_cv_as_subsections="working .subsection -1" | |
1433 | fi | |
1434 | elif test x$gcc_cv_as != x; then | |
d1accaa3 JJ |
1435 | # Check if we have .subsection |
1436 | echo ".subsection 1" > conftest.s | |
1437 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
1438 | gcc_cv_as_subsections=".subsection" | |
d1accaa3 JJ |
1439 | if test x$gcc_cv_nm != x; then |
1440 | cat > conftest.s <<EOF | |
1441 | conftest_label1: .word 0 | |
1442 | .subsection -1 | |
1443 | conftest_label2: .word 0 | |
1444 | .previous | |
1445 | EOF | |
1446 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
1447 | $gcc_cv_nm conftest.o | grep conftest_label1 > conftest.nm1 | |
1448 | $gcc_cv_nm conftest.o | grep conftest_label2 | sed -e 's/label2/label1/' > conftest.nm2 | |
1b015bec AO |
1449 | if cmp conftest.nm1 conftest.nm2 > /dev/null 2>&1; then |
1450 | : | |
1451 | else | |
d1accaa3 | 1452 | gcc_cv_as_subsections="working .subsection -1" |
d1accaa3 JJ |
1453 | fi |
1454 | fi | |
1455 | fi | |
1456 | fi | |
1457 | rm -f conftest.s conftest.o conftest.nm1 conftest.nm2 | |
1458 | fi | |
981d4858 JM |
1459 | if test x"$gcc_cv_as_subsections" = x"working .subsection -1"; then |
1460 | AC_DEFINE(HAVE_GAS_SUBSECTION_ORDERING, 1, | |
1461 | [Define if your assembler supports .subsection and .subsection -1 starts | |
1462 | emitting at the beginning of your section.]) | |
1463 | fi | |
d1accaa3 JJ |
1464 | AC_MSG_RESULT($gcc_cv_as_subsections) |
1465 | ||
12822146 | 1466 | AC_MSG_CHECKING(assembler weak support) |
9d147085 | 1467 | gcc_cv_as_weak=no |
981d4858 JM |
1468 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then |
1469 | if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 2 -o "$gcc_cv_gas_major_version" -gt 2; then | |
1470 | gcc_cv_as_weak="yes" | |
1471 | fi | |
1472 | elif test x$gcc_cv_as != x; then | |
12822146 JL |
1473 | # Check if we have .weak |
1474 | echo " .weak foobar" > conftest.s | |
1475 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
12822146 JL |
1476 | gcc_cv_as_weak="yes" |
1477 | fi | |
1478 | rm -f conftest.s conftest.o conftest.nm1 conftest.nm2 | |
1479 | fi | |
981d4858 JM |
1480 | if test x"$gcc_cv_as_weak" = xyes; then |
1481 | AC_DEFINE(HAVE_GAS_WEAK, 1, [Define if your assembler supports .weak.]) | |
1482 | fi | |
12822146 JL |
1483 | AC_MSG_RESULT($gcc_cv_as_weak) |
1484 | ||
6a9c5260 | 1485 | AC_MSG_CHECKING(assembler hidden support) |
9d147085 | 1486 | gcc_cv_as_hidden=no |
981d4858 JM |
1487 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then |
1488 | if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 10 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then | |
1489 | gcc_cv_as_hidden="yes" | |
1490 | fi | |
1491 | elif test x$gcc_cv_as != x; then | |
6a9c5260 UD |
1492 | # Check if we have .hidden |
1493 | echo " .hidden foobar" > conftest.s | |
1494 | echo "foobar:" >> conftest.s | |
1495 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
6a9c5260 UD |
1496 | gcc_cv_as_hidden="yes" |
1497 | fi | |
1498 | rm -f conftest.s conftest.o conftest.nm1 conftest.nm2 | |
1499 | fi | |
981d4858 JM |
1500 | if test x"$gcc_cv_as_hidden" = xyes; then |
1501 | AC_DEFINE(HAVE_GAS_HIDDEN, 1, | |
1502 | [Define if your assembler supports .hidden.]) | |
1503 | fi | |
6a9c5260 | 1504 | AC_MSG_RESULT($gcc_cv_as_hidden) |
9e944a16 JJ |
1505 | libgcc_visibility=$gcc_cv_as_hidden |
1506 | AC_SUBST(libgcc_visibility) | |
6a9c5260 | 1507 | |
b7460f24 | 1508 | AC_MSG_CHECKING(assembler leb128 support) |
fbe42b1b | 1509 | gcc_cv_as_leb128=no |
b7460f24 | 1510 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then |
fbe42b1b | 1511 | if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 11 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then |
b7460f24 RH |
1512 | gcc_cv_as_leb128="yes" |
1513 | fi | |
1514 | elif test x$gcc_cv_as != x; then | |
1515 | # Check if we have .[us]leb128, and support symbol arithmetic with it. | |
1516 | cat > conftest.s <<EOF | |
1517 | .data | |
1518 | .uleb128 L2 - L1 | |
1519 | L1: | |
1520 | .uleb128 1280 | |
1521 | .sleb128 -1010 | |
1522 | L2: | |
1523 | EOF | |
1524 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
78e766a0 RH |
1525 | gcc_cv_as_leb128="yes" |
1526 | ||
1527 | # GAS versions before 2.11 do not support uleb128, | |
1528 | # despite appearing to. | |
1529 | # ??? There exists an elf-specific test that will crash | |
1530 | # the assembler. Perhaps it's better to figure out whether | |
1531 | # arbitrary sections are supported and try the test. | |
1532 | as_ver=`$gcc_cv_as --version 2>/dev/null | head -1` | |
1533 | if echo "$as_ver" | grep GNU > /dev/null; then | |
78e766a0 | 1534 | changequote(,)dnl |
5fed851d | 1535 | as_ver=`echo $as_ver | sed -e 's/GNU assembler \([0-9.][0-9.]*\).*/\1/'` |
0461a052 | 1536 | as_major=`echo $as_ver | sed 's/\..*//'` |
3d399d67 | 1537 | as_minor=`echo $as_ver | sed 's/[^.]*\.\([0-9]*\).*/\1/'` |
78e766a0 RH |
1538 | changequote([,])dnl |
1539 | if test $as_major -eq 2 -a $as_minor -lt 11; then | |
1540 | gcc_cv_as_leb128="no" | |
1541 | fi | |
fbe42b1b | 1542 | fi |
b7460f24 RH |
1543 | fi |
1544 | rm -f conftest.s conftest.o conftest.nm1 conftest.nm2 | |
1545 | fi | |
1546 | if test x"$gcc_cv_as_leb128" = xyes; then | |
1547 | AC_DEFINE(HAVE_AS_LEB128, 1, | |
1548 | [Define if your assembler supports .uleb128.]) | |
1549 | fi | |
1550 | AC_MSG_RESULT($gcc_cv_as_leb128) | |
1551 | ||
c64688ae RH |
1552 | AC_MSG_CHECKING(assembler eh_frame optimization) |
1553 | gcc_cv_as_eh_frame=no | |
1554 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then | |
1555 | if test "$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 | |
1556 | gcc_cv_as_eh_frame="yes" | |
1557 | fi | |
1558 | elif test x$gcc_cv_as != x; then | |
1559 | # Check if this is GAS. | |
41948db5 SS |
1560 | as_ver=`$gcc_cv_as --version < /dev/null 2> /dev/null | head -1` |
1561 | rm -f a.out 2> /dev/null | |
c64688ae RH |
1562 | if echo "$as_ver" | grep GNU > /dev/null; then |
1563 | # Versions up to and including 2.11.0 may mis-optimize | |
1564 | # .eh_frame data. Try something. | |
1565 | cat > conftest.s <<EOF | |
1566 | .text | |
1567 | .LFB1: | |
1568 | .4byte 0 | |
1569 | .L1: | |
1570 | .4byte 0 | |
1571 | .LFE1: | |
1572 | .section .eh_frame,"aw",@progbits | |
1573 | __FRAME_BEGIN__: | |
1574 | .4byte .LECIE1-.LSCIE1 | |
1575 | .LSCIE1: | |
1576 | .4byte 0x0 | |
1577 | .byte 0x1 | |
1578 | .ascii "z\0" | |
1579 | .byte 0x1 | |
1580 | .byte 0x78 | |
1581 | .byte 0x1a | |
1582 | .byte 0x0 | |
1583 | .byte 0x4 | |
1584 | .4byte 1 | |
1585 | .p2align 1 | |
1586 | .LECIE1: | |
1587 | .LSFDE1: | |
1588 | .4byte .LEFDE1-.LASFDE1 | |
1589 | .LASFDE1: | |
1590 | .4byte .LASFDE1-__FRAME_BEGIN__ | |
1591 | .4byte .LFB1 | |
1592 | .4byte .LFE1-.LFB1 | |
1593 | .byte 0x4 | |
1594 | .4byte .LFE1-.LFB1 | |
1595 | .byte 0x4 | |
1596 | .4byte .L1-.LFB1 | |
1597 | .LEFDE1: | |
1598 | EOF | |
01efb963 | 1599 | cat > conftest.lit <<EOF |
c64688ae RH |
1600 | 0000 10000000 00000000 017a0001 781a0004 .........z..x... |
1601 | 0010 01000000 12000000 18000000 00000000 ................ | |
1602 | 0020 08000000 04080000 0044 .........D | |
01efb963 AS |
1603 | EOF |
1604 | cat > conftest.big <<EOF | |
1605 | 0000 00000010 00000000 017a0001 781a0004 .........z..x... | |
1606 | 0010 00000001 00000012 00000018 00000000 ................ | |
1607 | 0020 00000008 04000000 0844 .........D | |
c64688ae RH |
1608 | EOF |
1609 | # If the assembler didn't choke, and we can objdump, | |
1610 | # and we got the correct data, then succeed. | |
1611 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \ | |
3cae5780 | 1612 | && $gcc_cv_objdump -s -j .eh_frame conftest.o 2>/dev/null \ |
c64688ae | 1613 | | tail -3 > conftest.got \ |
01efb963 AS |
1614 | && { cmp conftest.lit conftest.got > /dev/null 2>&1 \ |
1615 | || cmp conftest.big conftest.got > /dev/null 2>&1; } | |
c64688ae RH |
1616 | then |
1617 | gcc_cv_as_eh_frame="yes" | |
1618 | else | |
1619 | gcc_cv_as_eh_frame="bad" | |
1620 | if $gcc_cv_as -o conftest.o --traditional-format /dev/null; then | |
1621 | AC_DEFINE(USE_AS_TRADITIONAL_FORMAT, 1, | |
1622 | [Define if your assembler mis-optimizes .eh_frame data.]) | |
1623 | fi | |
1624 | fi | |
1625 | fi | |
1626 | rm -f conftest.* | |
1627 | fi | |
1628 | AC_MSG_RESULT($gcc_cv_as_eh_frame) | |
1629 | ||
201556f0 JJ |
1630 | AC_MSG_CHECKING(assembler section merging support) |
1631 | gcc_cv_as_shf_merge=no | |
1632 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then | |
1633 | if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 12 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then | |
a8b7afb9 | 1634 | gcc_cv_as_shf_merge=yes |
201556f0 JJ |
1635 | fi |
1636 | elif test x$gcc_cv_as != x; then | |
1637 | # Check if we support SHF_MERGE sections | |
1638 | echo '.section .rodata.str, "aMS", @progbits, 1' > conftest.s | |
a8b7afb9 | 1639 | if $gcc_cv_as --fatal-warnings -o conftest.o conftest.s > /dev/null 2>&1; then |
201556f0 JJ |
1640 | gcc_cv_as_shf_merge=yes |
1641 | fi | |
1642 | rm -f conftest.s conftest.o | |
1643 | fi | |
1644 | if test x"$gcc_cv_as_shf_merge" = xyes; then | |
1645 | AC_DEFINE(HAVE_GAS_SHF_MERGE, 1, | |
1646 | [Define if your assembler supports marking sections with SHF_MERGE flag.]) | |
1647 | fi | |
1648 | AC_MSG_RESULT($gcc_cv_as_shf_merge) | |
1649 | ||
275b60d6 | 1650 | case "$target" in |
3a37b08e RH |
1651 | # All TARGET_ABI_OSF targets. |
1652 | alpha*-*-osf* | alpha*-*-linux* | alpha*-*-*bsd*) | |
1653 | AC_CACHE_CHECK([assembler supports explicit relocations], | |
1654 | gcc_cv_as_explicit_relocs, [ | |
1655 | gcc_cv_as_explicit_relocs=unknown | |
1656 | if test x$gcc_cv_gas_major_version != x \ | |
1657 | -a x$gcc_cv_gas_minor_version != x | |
1658 | then | |
1659 | if test "$gcc_cv_gas_major_version" -eq 2 \ | |
1660 | -a "$gcc_cv_gas_minor_version" -ge 12 \ | |
1661 | -o "$gcc_cv_gas_major_version" -gt 2; then | |
1662 | gcc_cv_as_explicit_relocs=yes | |
1663 | fi | |
1664 | elif test x$gcc_cv_as != x; then | |
1665 | cat > conftest.s << 'EOF' | |
1666 | .set nomacro | |
1667 | .text | |
1668 | extbl $3, $2, $3 !lituse_bytoff!1 | |
1669 | ldq $2, a($29) !literal!1 | |
1670 | ldq $4, b($29) !literal!2 | |
1671 | ldq_u $3, 0($2) !lituse_base!1 | |
1672 | ldq $27, f($29) !literal!5 | |
1673 | jsr $26, ($27), f !lituse_jsr!5 | |
1674 | ldah $29, 0($26) !gpdisp!3 | |
1675 | lda $0, c($29) !gprel | |
1676 | ldah $1, d($29) !gprelhigh | |
1677 | lda $1, d($1) !gprellow | |
1678 | lda $29, 0($29) !gpdisp!3 | |
1679 | EOF | |
1680 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
1681 | gcc_cv_as_explicit_relocs=yes | |
1682 | else | |
1683 | gcc_cv_as_explicit_relocs=no | |
1684 | fi | |
1685 | rm -f conftest.s conftest.o | |
1686 | fi | |
1687 | ]) | |
1688 | if test "x$gcc_cv_as_explicit_relocs" = xyes; then | |
1689 | AC_DEFINE(HAVE_AS_EXPLICIT_RELOCS, 1, | |
1690 | [Define if your assembler supports explicit relocations.]) | |
1691 | fi | |
1692 | ;; | |
1cb36a98 | 1693 | sparc*-*-*) |
5b68c389 AO |
1694 | AC_CACHE_CHECK([assembler .register pseudo-op support], |
1695 | gcc_cv_as_register_pseudo_op, [ | |
1696 | gcc_cv_as_register_pseudo_op=unknown | |
1697 | if test x$gcc_cv_as != x; then | |
1698 | # Check if we have .register | |
1699 | echo ".register %g2, #scratch" > conftest.s | |
1700 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
1cb36a98 | 1701 | gcc_cv_as_register_pseudo_op=yes |
5b68c389 AO |
1702 | else |
1703 | gcc_cv_as_register_pseudo_op=no | |
1704 | fi | |
1705 | rm -f conftest.s conftest.o | |
1cb36a98 | 1706 | fi |
5b68c389 AO |
1707 | ]) |
1708 | if test "x$gcc_cv_as_register_pseudo_op" = xyes; then | |
119d24d1 KG |
1709 | AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1, |
1710 | [Define if your assembler supports .register.]) | |
1cb36a98 | 1711 | fi |
1cb36a98 | 1712 | |
e95b1e6a JJ |
1713 | AC_CACHE_CHECK([assembler supports -relax], |
1714 | gcc_cv_as_relax_opt, [ | |
1715 | gcc_cv_as_relax_opt=unknown | |
1716 | if test x$gcc_cv_as != x; then | |
1717 | # Check if gas supports -relax | |
1718 | echo ".text" > conftest.s | |
1719 | if $gcc_cv_as -relax -o conftest.o conftest.s > /dev/null 2>&1; then | |
1720 | gcc_cv_as_relax_opt=yes | |
1721 | else | |
1722 | gcc_cv_as_relax_opt=no | |
1723 | fi | |
1724 | rm -f conftest.s conftest.o | |
1725 | fi | |
1726 | ]) | |
1727 | if test "x$gcc_cv_as_relax_opt" = xyes; then | |
1728 | AC_DEFINE(HAVE_AS_RELAX_OPTION, 1, | |
1729 | [Define if your assembler supports -relax option.]) | |
1730 | fi | |
1731 | ||
17e9e88c JJ |
1732 | AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs], |
1733 | gcc_cv_as_sparc_ua_pcrel, [ | |
1734 | gcc_cv_as_sparc_ua_pcrel=unknown | |
1735 | if test x$gcc_cv_as != x -a x$gcc_cv_ld != x; then | |
1736 | gcc_cv_as_sparc_ua_pcrel=no | |
1737 | echo ".text; foo: nop; .data; .align 4; .byte 0; .uaword %r_disp32(foo)" > conftest.s | |
1738 | if $gcc_cv_as -K PIC -o conftest.o conftest.s > /dev/null 2>&1; then | |
1739 | if $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1; then | |
1740 | gcc_cv_as_sparc_ua_pcrel=yes | |
1741 | fi | |
1742 | fi | |
1743 | rm -f conftest.s conftest.o conftest | |
1744 | fi | |
1745 | ]) | |
1746 | if test "x$gcc_cv_as_sparc_ua_pcrel" = xyes; then | |
1747 | AC_DEFINE(HAVE_AS_SPARC_UA_PCREL, 1, | |
1748 | [Define if your assembler and linker support unaligned PC relative relocs.]) | |
1749 | fi | |
1750 | ||
5b68c389 AO |
1751 | case "$tm_file" in |
1752 | *64*) | |
1753 | AC_CACHE_CHECK([for 64 bit support in assembler ($gcc_cv_as)], | |
1754 | gcc_cv_as_flags64, [ | |
1755 | if test -n "$gcc_cv_as"; then | |
1756 | echo ".xword foo" > conftest.s | |
1757 | gcc_cv_as_flags64=no | |
8a90b95d | 1758 | for flag in "-xarch=v9" "-64 -Av9"; do |
5b68c389 AO |
1759 | if $gcc_cv_as $flag -o conftest.o conftest.s \ |
1760 | > /dev/null 2>&1; then | |
1761 | gcc_cv_as_flags64=$flag | |
1762 | break | |
1763 | fi | |
1764 | done | |
1765 | rm -f conftest.s conftest.o | |
1766 | else | |
1767 | if test "$gas" = yes; then | |
1768 | gcc_cv_as_flags64="-64 -Av9" | |
1769 | else | |
1770 | gcc_cv_as_flags64="-xarch=v9" | |
1771 | fi | |
1cb36a98 | 1772 | fi |
5b68c389 AO |
1773 | ]) |
1774 | if test "x$gcc_cv_as_flags64" = xno; then | |
1775 | changequote(, ) | |
1776 | tmake_file=`echo " $tmake_file " | sed -e 's, sparc/t-sol2-64 , ,' -e 's,^ ,,' -e 's, $,,'` | |
1777 | dep_tmake_file=`echo " $dep_tmake_file " | sed -e 's, [^ ]*/config/sparc/t-sol2-64 , ,' -e 's,^ ,,' -e 's, $,,'` | |
1778 | changequote([, ]) | |
1779 | else | |
119d24d1 KG |
1780 | AC_DEFINE_UNQUOTED(AS_SPARC64_FLAG, "$gcc_cv_as_flags64", |
1781 | [Define if the assembler supports 64bit sparc.]) | |
1cb36a98 | 1782 | fi |
5b68c389 AO |
1783 | ;; |
1784 | *) gcc_cv_as_flags64=${gcc_cv_as_flags64-no} | |
1785 | ;; | |
1786 | esac | |
1787 | ||
1788 | if test "x$gcc_cv_as_flags64" != xno; then | |
1789 | AC_CACHE_CHECK([for assembler offsetable %lo() support], | |
1790 | gcc_cv_as_offsetable_lo10, [ | |
1791 | gcc_cv_as_offsetable_lo10=unknown | |
1792 | if test "x$gcc_cv_as" != x; then | |
1793 | # Check if assembler has offsetable %lo() | |
1794 | echo "or %g1, %lo(ab) + 12, %g1" > conftest.s | |
1795 | echo "or %g1, %lo(ab + 12), %g1" > conftest1.s | |
1796 | if $gcc_cv_as $gcc_cv_as_flags64 -o conftest.o conftest.s \ | |
1797 | > /dev/null 2>&1 && | |
1798 | $gcc_cv_as $gcc_cv_as_flags64 -o conftest1.o conftest1.s \ | |
1799 | > /dev/null 2>&1; then | |
1800 | if cmp conftest.o conftest1.o > /dev/null 2>&1; then | |
1801 | gcc_cv_as_offsetable_lo10=no | |
1802 | else | |
1803 | gcc_cv_as_offsetable_lo10=yes | |
1804 | fi | |
1805 | else | |
1806 | gcc_cv_as_offsetable_lo10=no | |
1cb36a98 | 1807 | fi |
5b68c389 AO |
1808 | rm -f conftest.s conftest.o conftest1.s conftest1.o |
1809 | fi | |
1810 | ]) | |
1811 | if test "x$gcc_cv_as_offsetable_lo10" = xyes; then | |
119d24d1 KG |
1812 | AC_DEFINE(HAVE_AS_OFFSETABLE_LO10, 1, |
1813 | [Define if your assembler supports offsetable %lo().]) | |
1cb36a98 | 1814 | fi |
1cb36a98 | 1815 | fi |
cb65112a | 1816 | |
1cb36a98 RH |
1817 | ;; |
1818 | ||
1819 | changequote(,)dnl | |
c307e6dd | 1820 | i[34567]86-*-* | x86_64-*-*) |
1cb36a98 RH |
1821 | changequote([,])dnl |
1822 | AC_MSG_CHECKING(assembler instructions) | |
1823 | gcc_cv_as_instructions= | |
981d4858 JM |
1824 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then |
1825 | if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2; then | |
1826 | gcc_cv_as_instructions="filds fists" | |
1827 | fi | |
1828 | elif test x$gcc_cv_as != x; then | |
53b5ce19 JW |
1829 | set "filds fists" "filds mem; fists mem" |
1830 | while test $# -gt 0 | |
1831 | do | |
1832 | echo "$2" > conftest.s | |
1833 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
1834 | gcc_cv_as_instructions=${gcc_cv_as_instructions}$1" " | |
53b5ce19 JW |
1835 | fi |
1836 | shift 2 | |
1837 | done | |
1838 | rm -f conftest.s conftest.o | |
1cb36a98 | 1839 | fi |
981d4858 | 1840 | if test x"$gcc_cv_as_instructions" != x; then |
ee7692d2 | 1841 | AC_DEFINE_UNQUOTED(HAVE_GAS_`echo "$gcc_cv_as_instructions" | sed -e 's/ $//' | tr '[a-z ]' '[A-Z_]'`) |
981d4858 | 1842 | fi |
1cb36a98 | 1843 | AC_MSG_RESULT($gcc_cv_as_instructions) |
f88c65f7 RH |
1844 | |
1845 | AC_MSG_CHECKING(assembler GOTOFF in data directives) | |
1846 | gcc_cv_as_gotoff_in_data=no | |
1847 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x | |
1848 | then | |
1849 | if test "$gcc_cv_gas_major_version" -eq 2 \ | |
1850 | -a "$gcc_cv_gas_minor_version" -ge 11 \ | |
1851 | -o "$gcc_cv_gas_major_version" -gt 2; then | |
1852 | gcc_cv_as_gotoff_in_data=yes | |
1853 | fi | |
1854 | elif test x$gcc_cv_as != x; then | |
1855 | cat > conftest.s <<EOF | |
1856 | .text | |
1857 | .L0: | |
1858 | nop | |
1859 | .data | |
1860 | .long .L0@GOTOFF | |
1861 | EOF | |
1862 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
1863 | gcc_cv_as_gotoff_in_data=yes | |
1864 | fi | |
1865 | fi | |
1866 | AC_DEFINE_UNQUOTED(HAVE_AS_GOTOFF_IN_DATA, | |
1867 | [`if test $gcc_cv_as_gotoff_in_data = yes; then echo 1; else echo 0; fi`], | |
1868 | [Define true if the assembler supports '.long foo@GOTOFF'.]) | |
1869 | AC_MSG_RESULT($gcc_cv_as_gotoff_in_data) | |
1cb36a98 RH |
1870 | ;; |
1871 | esac | |
53b5ce19 | 1872 | |
9d147085 RH |
1873 | AC_MSG_CHECKING(assembler dwarf2 debug_line support) |
1874 | gcc_cv_as_dwarf2_debug_line=no | |
1875 | # ??? Not all targets support dwarf2 debug_line, even within a version | |
1876 | # of gas. Moreover, we need to emit a valid instruction to trigger any | |
1877 | # info to the output file. So, as supported targets are added to gas 2.11, | |
1878 | # add some instruction here to (also) show we expect this might work. | |
1879 | # ??? Once 2.11 is released, probably need to add first known working | |
1880 | # version to the per-target configury. | |
1881 | case "$target" in | |
c307e6dd | 1882 | i?86*-*-* | mips*-*-* | alpha*-*-* | powerpc*-*-* | sparc*-*-* | m68*-*-* | x86_64*-*-*) |
9d147085 RH |
1883 | insn="nop" |
1884 | ;; | |
1885 | ia64*-*-*) | |
1886 | insn="nop 0" | |
1887 | ;; | |
1888 | esac | |
1889 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; | |
1890 | then | |
1891 | if test "$gcc_cv_gas_major_version" -eq 2 \ | |
1892 | -a "$gcc_cv_gas_minor_version" -ge 11 \ | |
1893 | -o "$gcc_cv_gas_major_version" -gt 2 \ | |
1894 | && grep 'obj_format = elf' ../gas/Makefile > /dev/null \ | |
1895 | && test x"$insn" != x ; then | |
1896 | gcc_cv_as_dwarf2_debug_line="yes" | |
1897 | fi | |
1898 | elif test x$gcc_cv_as != x -a x"$insn" != x ; then | |
acc187f5 RH |
1899 | echo ' .file 1 "conftest.s"' > conftest.s |
1900 | echo ' .loc 1 3 0' >> conftest.s | |
9d147085 | 1901 | echo " $insn" >> conftest.s |
981975b6 | 1902 | # ??? This fails with non-gnu grep. |
9d147085 RH |
1903 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \ |
1904 | && grep debug_line conftest.o > /dev/null 2>&1 ; then | |
981975b6 | 1905 | # The .debug_line file table must be in the exact order that |
eaec9b3d | 1906 | # we specified the files, since these indices are also used |
981975b6 RH |
1907 | # by DW_AT_decl_file. Approximate this test by testing if |
1908 | # the assembler bitches if the same index is assigned twice. | |
1909 | echo ' .file 1 "foo.s"' > conftest.s | |
1910 | echo ' .file 1 "bar.s"' >> conftest.s | |
1911 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 | |
1912 | then | |
1913 | gcc_cv_as_dwarf2_debug_line="no" | |
1914 | else | |
1915 | gcc_cv_as_dwarf2_debug_line="yes" | |
1916 | fi | |
9d147085 RH |
1917 | fi |
1918 | rm -f conftest.s conftest.o conftest.nm1 conftest.nm2 | |
1919 | fi | |
1920 | if test x"$gcc_cv_as_dwarf2_debug_line" = xyes; then | |
1921 | AC_DEFINE(HAVE_AS_DWARF2_DEBUG_LINE, 1, | |
981975b6 | 1922 | [Define if your assembler supports dwarf2 .file/.loc directives, |
eaec9b3d | 1923 | and preserves file table indices exactly as given.]) |
9d147085 RH |
1924 | fi |
1925 | AC_MSG_RESULT($gcc_cv_as_dwarf2_debug_line) | |
1926 | ||
5f0e9ea2 GK |
1927 | AC_MSG_CHECKING(assembler --gdwarf2 support) |
1928 | gcc_cv_as_gdwarf2_flag=no | |
1929 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; | |
1930 | then | |
1931 | if test "$gcc_cv_gas_major_version" -eq 2 \ | |
1932 | -a "$gcc_cv_gas_minor_version" -ge 11 \ | |
1933 | -o "$gcc_cv_gas_major_version" -gt 2 \ | |
1934 | && grep 'obj_format = elf' ../gas/Makefile > /dev/null \ | |
1935 | && test x"$insn" != x ; then | |
1936 | gcc_cv_as_gdwarf2_debug_flag="yes" | |
1937 | fi | |
1938 | elif test x$gcc_cv_as != x -a x"$insn" != x ; then | |
1939 | echo '' > conftest.s | |
1940 | # ??? This fails with non-gnu grep. | |
1941 | if $gcc_cv_as --gdwarf2 -o conftest.o conftest.s > /dev/null 2>&1 | |
1942 | then | |
1943 | gcc_cv_as_gdwarf2_flag="yes" | |
1944 | fi | |
1945 | rm -f conftest.s conftest.o | |
1946 | fi | |
1947 | if test x"$gcc_cv_as_gdwarf2_flag" = xyes; then | |
1948 | AC_DEFINE(HAVE_AS_GDWARF2_DEBUG_FLAG, 1, | |
1949 | [Define if your assembler supports the --gdwarf2 option.]) | |
1950 | fi | |
1951 | AC_MSG_RESULT($gcc_cv_as_gdwarf2_flag) | |
1952 | ||
1953 | AC_MSG_CHECKING(assembler --gstabs support) | |
1954 | gcc_cv_as_gstabs_flag=no | |
1955 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; | |
1956 | then | |
1957 | if test "$gcc_cv_gas_major_version" -eq 2 \ | |
1958 | -a "$gcc_cv_gas_minor_version" -ge 11 \ | |
1959 | -o "$gcc_cv_gas_major_version" -gt 2 \ | |
1960 | && grep 'obj_format = elf' ../gas/Makefile > /dev/null \ | |
1961 | && test x"$insn" != x ; then | |
1962 | gcc_cv_as_gstabs_debug_flag="yes" | |
1963 | fi | |
1964 | elif test x$gcc_cv_as != x -a x"$insn" != x ; then | |
1965 | echo '' > conftest.s | |
1966 | # ??? This fails with non-gnu grep. | |
1967 | if $gcc_cv_as --gstabs -o conftest.o conftest.s > /dev/null 2>&1 ; then | |
1968 | gcc_cv_as_gstabs_flag="yes" | |
1969 | fi | |
1970 | rm -f conftest.s conftest.o | |
1971 | fi | |
1972 | if test x"$gcc_cv_as_gstabs_flag" = xyes; then | |
1973 | AC_DEFINE(HAVE_AS_GSTABS_DEBUG_FLAG, 1, | |
1974 | [Define if your assembler supports the --gstabs option.]) | |
1975 | fi | |
1976 | AC_MSG_RESULT($gcc_cv_as_gstabs_flag) | |
1977 | ||
275b60d6 JJ |
1978 | AC_MSG_CHECKING(linker PT_GNU_EH_FRAME support) |
1979 | gcc_cv_ld_eh_frame_hdr=no | |
1980 | if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then | |
1981 | if test "$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 | |
1982 | gcc_cv_ld_eh_frame_hdr=yes | |
1983 | fi | |
1984 | elif test x$gcc_cv_ld != x; then | |
1985 | # Check if linker supports --eh-frame-hdr option | |
1986 | if $gcc_cv_ld --help 2>/dev/null | grep eh-frame-hdr > /dev/null; then | |
1987 | gcc_cv_ld_eh_frame_hdr=yes | |
1988 | fi | |
1989 | fi | |
1990 | if test x"$gcc_cv_ld_eh_frame_hdr" = xyes; then | |
1991 | AC_DEFINE(HAVE_LD_EH_FRAME_HDR, 1, | |
1992 | [Define if your linker supports --eh-frame-hdr option.]) | |
1993 | fi | |
1994 | AC_MSG_RESULT($gcc_cv_ld_eh_frame_hdr) | |
1995 | ||
793e9558 PB |
1996 | if test "$prefix" != "/usr" && test "$prefix" != "/usr/local" ; then |
1997 | AC_DEFINE_UNQUOTED(PREFIX_INCLUDE_DIR, "$prefix/include") | |
1998 | fi | |
1999 | ||
571a8de5 | 2000 | # Figure out what language subdirectories are present. |
71205e0b MH |
2001 | # Look if the user specified --enable-languages="..."; if not, use |
2002 | # the environment variable $LANGUAGES if defined. $LANGUAGES might | |
2003 | # go away some day. | |
cc9a08e0 | 2004 | # NB: embedded tabs in this IF block -- do not untabify |
71205e0b MH |
2005 | if test x"${enable_languages+set}" != xset; then |
2006 | if test x"${LANGUAGES+set}" = xset; then | |
cc9a08e0 PE |
2007 | enable_languages="${LANGUAGES}" |
2008 | AC_MSG_WARN([setting LANGUAGES is deprecated, use --enable-languages instead]) | |
2009 | ||
71205e0b MH |
2010 | else |
2011 | enable_languages=all | |
2012 | fi | |
d6c6b553 | 2013 | else |
cc9a08e0 PE |
2014 | if test x"${enable_languages}" = x || |
2015 | test x"${enable_languages}" = xyes; | |
2016 | then | |
2017 | AC_MSG_ERROR([--enable-languages needs at least one language argument]) | |
d6c6b553 | 2018 | fi |
71205e0b | 2019 | fi |
cc9a08e0 | 2020 | enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'` |
75382c6d TT |
2021 | |
2022 | # First scan to see if an enabled language requires some other language. | |
2023 | # We assume that a given config-lang.in will list all the language | |
2024 | # front ends it requires, even if some are required indirectly. | |
2025 | for lang in ${srcdir}/*/config-lang.in .. | |
2026 | do | |
2027 | case $lang in | |
2028 | ..) | |
2029 | ;; | |
2030 | # The odd quoting in the next line works around | |
2031 | # an apparent bug in bash 1.12 on linux. | |
2032 | changequote(,)dnl | |
2033 | ${srcdir}/[*]/config-lang.in) | |
2034 | ;; | |
2035 | *) | |
2036 | lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang` | |
2037 | this_lang_requires=`sed -n -e 's,^lang_requires=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^lang_requires=\([^ ]*\).*$,\1,p' $lang` | |
2038 | for other in $this_lang_requires | |
2039 | do | |
2040 | case ,${enable_languages}, in | |
2041 | *,$other,*) | |
2042 | ;; | |
2043 | *,all,*) | |
2044 | ;; | |
1bf17cc4 | 2045 | *,$lang_alias,*) |
75382c6d TT |
2046 | enable_languages="$enable_languages,$other" |
2047 | ;; | |
2048 | esac | |
2049 | done | |
2050 | ;; | |
2051 | changequote([,])dnl | |
2052 | esac | |
2053 | done | |
2054 | ||
571a8de5 DE |
2055 | subdirs= |
2056 | for lang in ${srcdir}/*/config-lang.in .. | |
2057 | do | |
2058 | case $lang in | |
2059 | ..) ;; | |
2060 | # The odd quoting in the next line works around | |
2061 | # an apparent bug in bash 1.12 on linux. | |
75bffa71 ILT |
2062 | changequote(,)dnl |
2063 | ${srcdir}/[*]/config-lang.in) ;; | |
71205e0b MH |
2064 | *) |
2065 | lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang` | |
2b60b2cb AO |
2066 | this_lang_libs=`sed -n -e 's,^target_libs=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^target_libs=\([^ ]*\).*$,\1,p' $lang` |
2067 | build_by_default=`sed -n -e 's,^build_by_default=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^build_by_default=\([^ ]*\).*$,\1,p' $lang` | |
71205e0b MH |
2068 | if test "x$lang_alias" = x |
2069 | then | |
2070 | echo "$lang doesn't set \$language." 1>&2 | |
2071 | exit 1 | |
2072 | fi | |
2b60b2cb AO |
2073 | case ${build_by_default},${enable_languages}, in |
2074 | *,$lang_alias,*) add_this_lang=yes ;; | |
2075 | no,*) add_this_lang=no ;; | |
2076 | *,all,*) add_this_lang=yes ;; | |
2077 | *) add_this_lang=no ;; | |
2078 | esac | |
71205e0b MH |
2079 | if test x"${add_this_lang}" = xyes; then |
2080 | case $lang in | |
2081 | ${srcdir}/ada/config-lang.in) | |
1ffc5c6e | 2082 | if test x$have_gnat = xyes ; then |
71205e0b MH |
2083 | subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`" |
2084 | fi | |
2085 | ;; | |
2086 | *) | |
2087 | subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`" | |
2088 | ;; | |
2089 | esac | |
2090 | fi | |
2091 | ;; | |
75bffa71 | 2092 | changequote([,])dnl |
571a8de5 DE |
2093 | esac |
2094 | done | |
2095 | ||
f24af81b TT |
2096 | # Make gthr-default.h if we have a thread file. |
2097 | gthread_flags= | |
75bffa71 | 2098 | if test $thread_file != single; then |
f24af81b | 2099 | rm -f gthr-default.h |
db0d1ed9 | 2100 | echo "#include \"gthr-${thread_file}.h\"" > gthr-default.h |
f24af81b TT |
2101 | gthread_flags=-DHAVE_GTHR_DEFAULT |
2102 | fi | |
2103 | AC_SUBST(gthread_flags) | |
2104 | ||
81bf3d9e RH |
2105 | # Find out what GC implementation we want, or may, use. |
2106 | AC_ARG_WITH(gc, | |
e8bec136 RO |
2107 | [ --with-gc={simple,page} choose the garbage collection mechanism to use |
2108 | with the compiler], | |
81bf3d9e RH |
2109 | [case "$withval" in |
2110 | simple | page) | |
2111 | GGC=ggc-$withval | |
2112 | ;; | |
2113 | *) | |
2114 | AC_MSG_ERROR([$withval is an invalid option to --with-gc]) | |
2115 | ;; | |
2116 | esac], | |
130fadbb | 2117 | [GGC=ggc-page]) |
81bf3d9e RH |
2118 | AC_SUBST(GGC) |
2119 | echo "Using $GGC for garbage collection." | |
2120 | ||
3c809ba4 | 2121 | # Use the system's zlib library. |
b8dad04b ZW |
2122 | zlibdir=-L../zlib |
2123 | zlibinc="-I\$(srcdir)/../zlib" | |
3c809ba4 AG |
2124 | AC_ARG_WITH(system-zlib, |
2125 | [ --with-system-zlib use installed libz], | |
2126 | zlibdir= | |
2127 | zlibinc= | |
2128 | ) | |
2129 | AC_SUBST(zlibdir) | |
2130 | AC_SUBST(zlibinc) | |
2131 | ||
dc6746e7 PT |
2132 | dnl Very limited version of automake's enable-maintainer-mode |
2133 | ||
2134 | AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) | |
2135 | dnl maintainer-mode is disabled by default | |
2136 | AC_ARG_ENABLE(maintainer-mode, | |
e8bec136 RO |
2137 | [ --enable-maintainer-mode |
2138 | enable make rules and dependencies not useful | |
dc6746e7 PT |
2139 | (and sometimes confusing) to the casual installer], |
2140 | maintainer_mode=$enableval, | |
2141 | maintainer_mode=no) | |
2142 | ||
2143 | AC_MSG_RESULT($maintainer_mode) | |
2144 | ||
2145 | if test "$maintainer_mode" = "yes"; then | |
2146 | MAINT='' | |
2147 | else | |
2148 | MAINT='#' | |
2149 | fi | |
2150 | AC_SUBST(MAINT)dnl | |
2151 | ||
531073e7 RH |
2152 | # With Setjmp/Longjmp based exception handling. |
2153 | AC_ARG_ENABLE(sjlj-exceptions, | |
e8bec136 RO |
2154 | [ --enable-sjlj-exceptions |
2155 | arrange to use setjmp/longjmp exception handling], | |
531073e7 RH |
2156 | [sjlj=`if test $enableval = yes; then echo 1; else echo 0; fi` |
2157 | AC_DEFINE_UNQUOTED(CONFIG_SJLJ_EXCEPTIONS, $sjlj, | |
2158 | [Define 0/1 to force the choice for exception handling model.])]) | |
2159 | ||
571a8de5 DE |
2160 | # Make empty files to contain the specs and options for each language. |
2161 | # Then add #include lines to for a compiler that has specs and/or options. | |
2162 | ||
2163 | lang_specs_files= | |
2164 | lang_options_files= | |
3103b7db | 2165 | lang_tree_files= |
571a8de5 DE |
2166 | for subdir in . $subdirs |
2167 | do | |
75bffa71 | 2168 | if test -f $srcdir/$subdir/lang-specs.h; then |
0d24f4d1 | 2169 | lang_specs_files="$lang_specs_files $srcdir/$subdir/lang-specs.h" |
571a8de5 | 2170 | fi |
75bffa71 | 2171 | if test -f $srcdir/$subdir/lang-options.h; then |
0d24f4d1 | 2172 | lang_options_files="$lang_options_files $srcdir/$subdir/lang-options.h" |
571a8de5 | 2173 | fi |
3103b7db | 2174 | if test -f $srcdir/$subdir/$subdir-tree.def; then |
0d24f4d1 | 2175 | lang_tree_files="$lang_tree_files $srcdir/$subdir/$subdir-tree.def" |
3103b7db | 2176 | fi |
571a8de5 DE |
2177 | done |
2178 | ||
2179 | # These (without "all_") are set in each config-lang.in. | |
2180 | # `language' must be a single word so is spelled singularly. | |
2181 | all_languages= | |
2182 | all_boot_languages= | |
2183 | all_compilers= | |
2184 | all_stagestuff= | |
5b7874aa | 2185 | all_outputs='Makefile intl/Makefile fixinc/Makefile gccbug mklibgcc' |
571a8de5 DE |
2186 | # List of language makefile fragments. |
2187 | all_lang_makefiles= | |
571a8de5 DE |
2188 | |
2189 | # Add the language fragments. | |
2190 | # Languages are added via two mechanisms. Some information must be | |
2191 | # recorded in makefile variables, these are defined in config-lang.in. | |
2192 | # We accumulate them and plug them into the main Makefile. | |
2193 | # The other mechanism is a set of hooks for each of the main targets | |
2194 | # like `clean', `install', etc. | |
2195 | ||
2196 | language_fragments="Make-lang" | |
2197 | language_hooks="Make-hooks" | |
2198 | ||
2199 | for s in .. $subdirs | |
2200 | do | |
75bffa71 | 2201 | if test $s != ".." |
571a8de5 DE |
2202 | then |
2203 | language= | |
2204 | boot_language= | |
2205 | compilers= | |
2206 | stagestuff= | |
0280cf84 | 2207 | outputs= |
571a8de5 | 2208 | . ${srcdir}/$s/config-lang.in |
75bffa71 | 2209 | if test "x$language" = x |
571a8de5 DE |
2210 | then |
2211 | echo "${srcdir}/$s/config-lang.in doesn't set \$language." 1>&2 | |
2212 | exit 1 | |
2213 | fi | |
72aaffbd ZW |
2214 | all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Make-lang.in" |
2215 | if test -f ${srcdir}/$s/Makefile.in | |
2216 | then all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Makefile.in" | |
2217 | fi | |
571a8de5 | 2218 | all_languages="$all_languages $language" |
75bffa71 | 2219 | if test "x$boot_language" = xyes |
571a8de5 DE |
2220 | then |
2221 | all_boot_languages="$all_boot_languages $language" | |
2222 | fi | |
2223 | all_compilers="$all_compilers $compilers" | |
2224 | all_stagestuff="$all_stagestuff $stagestuff" | |
0280cf84 | 2225 | all_outputs="$all_outputs $outputs" |
571a8de5 DE |
2226 | fi |
2227 | done | |
2228 | ||
cbc59f01 DD |
2229 | check_languages= |
2230 | for language in .. $all_languages | |
2231 | do | |
2232 | if test $language != ".." | |
2233 | then | |
2234 | check_languages="$check_languages check-$language" | |
2235 | fi | |
2236 | done | |
2237 | ||
571a8de5 DE |
2238 | # Since we can't use `::' targets, we link each language in |
2239 | # with a set of hooks, reached indirectly via lang.${target}. | |
2240 | ||
2241 | rm -f Make-hooks | |
2242 | touch Make-hooks | |
2243 | target_list="all.build all.cross start.encap rest.encap \ | |
d3945f0a | 2244 | info dvi generated-manpages \ |
571a8de5 | 2245 | install-normal install-common install-info install-man \ |
436a88a6 | 2246 | uninstall \ |
571a8de5 DE |
2247 | mostlyclean clean distclean extraclean maintainer-clean \ |
2248 | stage1 stage2 stage3 stage4" | |
2249 | for t in $target_list | |
2250 | do | |
2251 | x= | |
ab87f8c8 | 2252 | for lang in .. $all_languages |
571a8de5 | 2253 | do |
ab87f8c8 JL |
2254 | if test $lang != ".."; then |
2255 | x="$x $lang.$t" | |
571a8de5 DE |
2256 | fi |
2257 | done | |
2258 | echo "lang.$t: $x" >> Make-hooks | |
2259 | done | |
2260 | ||
cc06d68c | 2261 | # Create .gdbinit. |
296e46bd | 2262 | |
cc06d68c GP |
2263 | echo "dir ." > .gdbinit |
2264 | echo "dir ${srcdir}" >> .gdbinit | |
2265 | if test x$gdb_needs_out_file_path = xyes | |
2266 | then | |
2267 | echo "dir ${srcdir}/config/"`dirname ${out_file}` >> .gdbinit | |
2268 | fi | |
2269 | if test "x$subdirs" != x; then | |
2270 | for s in $subdirs | |
2271 | do | |
2272 | echo "dir ${srcdir}/$s" >> .gdbinit | |
2273 | done | |
296e46bd | 2274 | fi |
cc06d68c | 2275 | echo "source ${srcdir}/gdbinit.in" >> .gdbinit |
296e46bd | 2276 | |
88111b26 JL |
2277 | # Define variables host_canonical and build_canonical |
2278 | # because some Cygnus local changes in the Makefile depend on them. | |
2279 | build_canonical=${build} | |
2280 | host_canonical=${host} | |
2281 | target_subdir= | |
75bffa71 | 2282 | if test "${host}" != "${target}" ; then |
924c96eb | 2283 | target_subdir=${target_alias}/ |
88111b26 JL |
2284 | fi |
2285 | AC_SUBST(build_canonical) | |
2286 | AC_SUBST(host_canonical) | |
2287 | AC_SUBST(target_subdir) | |
2288 | ||
8f8d3278 NC |
2289 | # If $(exec_prefix) exists and is not the same as $(prefix), then compute an |
2290 | # absolute path for gcc_tooldir based on inserting the number of up-directory | |
2291 | # movements required to get from $(exec_prefix) to $(prefix) into the basic | |
2292 | # $(libsubdir)/@(unlibsubdir) based path. | |
82cbf8f7 JL |
2293 | # Don't set gcc_tooldir to tooldir since that's only passed in by the toplevel |
2294 | # make and thus we'd get different behavior depending on where we built the | |
2295 | # sources. | |
5949a9fc | 2296 | if test x$exec_prefix = xNONE -o x$exec_prefix = x$prefix; then |
d062c304 JL |
2297 | gcc_tooldir='$(libsubdir)/$(unlibsubdir)/../$(target_alias)' |
2298 | else | |
8f8d3278 NC |
2299 | changequote(<<, >>)dnl |
2300 | # An explanation of the sed strings: | |
2301 | # -e 's|^\$(prefix)||' matches and eliminates 'prefix' from 'exec_prefix' | |
2302 | # -e 's|/$||' match a trailing forward slash and eliminates it | |
2303 | # -e 's|^[^/]|/|' forces the string to start with a forward slash (*) | |
ff7cc307 | 2304 | # -e 's|/[^/]*|../|g' replaces each occurrence of /<directory> with ../ |
8f8d3278 NC |
2305 | # |
2306 | # (*) Note this pattern overwrites the first character of the string | |
2307 | # with a forward slash if one is not already present. This is not a | |
2308 | # problem because the exact names of the sub-directories concerned is | |
2309 | # unimportant, just the number of them matters. | |
2310 | # | |
2311 | # The practical upshot of these patterns is like this: | |
2312 | # | |
2313 | # prefix exec_prefix result | |
2314 | # ------ ----------- ------ | |
2315 | # /foo /foo/bar ../ | |
2316 | # /foo/ /foo/bar ../ | |
2317 | # /foo /foo/bar/ ../ | |
2318 | # /foo/ /foo/bar/ ../ | |
2319 | # /foo /foo/bar/ugg ../../ | |
2320 | # | |
4c112cda NC |
2321 | dollar='$$' |
2322 | gcc_tooldir="\$(libsubdir)/\$(unlibsubdir)/\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/\$(dollar)||' -e 's|^[^/]|/|' -e 's|/[^/]*|../|g'\`\$(target_alias)" | |
8f8d3278 | 2323 | changequote([, ])dnl |
d062c304 JL |
2324 | fi |
2325 | AC_SUBST(gcc_tooldir) | |
4c112cda | 2326 | AC_SUBST(dollar) |
d062c304 | 2327 | |
2bbea3a6 RH |
2328 | # Find a directory in which to install a shared libgcc. |
2329 | ||
2330 | AC_ARG_ENABLE(version-specific-runtime-libs, | |
e8bec136 RO |
2331 | [ --enable-version-specific-runtime-libs |
2332 | specify that runtime libraries should be | |
2333 | installed in a compiler-specific directory]) | |
2bbea3a6 | 2334 | |
5b15f277 RH |
2335 | AC_ARG_WITH(slibdir, |
2336 | [ --with-slibdir=DIR shared libraries in DIR [LIBDIR]], | |
2337 | slibdir="$with_slibdir", | |
2338 | if test "${enable_version_specific_runtime_libs+set}" = set; then | |
2bbea3a6 | 2339 | slibdir='$(libsubdir)' |
5b15f277 | 2340 | elif test "$host" != "$target"; then |
2bbea3a6 RH |
2341 | slibdir='$(build_tooldir)/lib' |
2342 | else | |
5b15f277 RH |
2343 | slibdir='$(libdir)' |
2344 | fi) | |
2bbea3a6 RH |
2345 | AC_SUBST(slibdir) |
2346 | ||
7e717196 JL |
2347 | # Nothing to do for FLOAT_H, float_format already handled. |
2348 | objdir=`pwd` | |
2349 | AC_SUBST(objdir) | |
2350 | ||
94f42018 DE |
2351 | # Process the language and host/target makefile fragments. |
2352 | ${CONFIG_SHELL-/bin/sh} $srcdir/configure.frag $srcdir "$subdirs" "$dep_host_xmake_file" "$dep_tmake_file" | |
47866ac0 | 2353 | |
46f18e7b RK |
2354 | # Substitute configuration variables |
2355 | AC_SUBST(subdirs) | |
46f18e7b RK |
2356 | AC_SUBST(all_boot_languages) |
2357 | AC_SUBST(all_compilers) | |
9f3d1bc2 BK |
2358 | AC_SUBST(all_lang_makefiles) |
2359 | AC_SUBST(all_languages) | |
9f3d1bc2 BK |
2360 | AC_SUBST(all_stagestuff) |
2361 | AC_SUBST(build_exeext) | |
2362 | AC_SUBST(build_install_headers_dir) | |
2363 | AC_SUBST(build_xm_file_list) | |
11642c3a ZW |
2364 | AC_SUBST(build_xm_file) |
2365 | AC_SUBST(build_xm_defines) | |
cbc59f01 | 2366 | AC_SUBST(check_languages) |
9f3d1bc2 | 2367 | AC_SUBST(cc_set_by_configure) |
5aa82ace | 2368 | AC_SUBST(quoted_cc_set_by_configure) |
9f3d1bc2 | 2369 | AC_SUBST(cpp_install_dir) |
9f3d1bc2 BK |
2370 | AC_SUBST(dep_host_xmake_file) |
2371 | AC_SUBST(dep_tmake_file) | |
9f3d1bc2 | 2372 | AC_SUBST(extra_headers_list) |
46f18e7b | 2373 | AC_SUBST(extra_objs) |
9f3d1bc2 BK |
2374 | AC_SUBST(extra_parts) |
2375 | AC_SUBST(extra_passes) | |
2376 | AC_SUBST(extra_programs) | |
9f3d1bc2 | 2377 | AC_SUBST(float_h_file) |
cc1e60ea | 2378 | AC_SUBST(gcc_config_arguments) |
9f3d1bc2 | 2379 | AC_SUBST(gcc_gxx_include_dir) |
e2187d3b | 2380 | AC_SUBST(libstdcxx_incdir) |
9f3d1bc2 | 2381 | AC_SUBST(gcc_version) |
8763704d | 2382 | AC_SUBST(gcc_version_full) |
9f3d1bc2 BK |
2383 | AC_SUBST(gcc_version_trigger) |
2384 | AC_SUBST(host_exeext) | |
46f18e7b | 2385 | AC_SUBST(host_extra_gcc_objs) |
46f18e7b | 2386 | AC_SUBST(host_xm_file_list) |
11642c3a ZW |
2387 | AC_SUBST(host_xm_file) |
2388 | AC_SUBST(host_xm_defines) | |
9f3d1bc2 | 2389 | AC_SUBST(install) |
46f18e7b | 2390 | AC_SUBST(lang_options_files) |
9f3d1bc2 | 2391 | AC_SUBST(lang_specs_files) |
3103b7db | 2392 | AC_SUBST(lang_tree_files) |
46f18e7b | 2393 | AC_SUBST(local_prefix) |
9f3d1bc2 BK |
2394 | AC_SUBST(md_file) |
2395 | AC_SUBST(objc_boehm_gc) | |
2396 | AC_SUBST(out_file) | |
2397 | AC_SUBST(out_object_file) | |
46f18e7b | 2398 | AC_SUBST(stage_prefix_set_by_configure) |
596151e1 | 2399 | AC_SUBST(quoted_stage_prefix_set_by_configure) |
e9a25f70 | 2400 | AC_SUBST(symbolic_link) |
9f3d1bc2 BK |
2401 | AC_SUBST(thread_file) |
2402 | AC_SUBST(tm_file_list) | |
11642c3a ZW |
2403 | AC_SUBST(tm_file) |
2404 | AC_SUBST(tm_p_file_list) | |
2405 | AC_SUBST(tm_p_file) | |
2406 | AC_SUBST(xm_file) | |
3d9d2476 | 2407 | AC_SUBST(xm_defines) |
66fe41af | 2408 | AC_SUBST(target_alias) |
aac69a49 NC |
2409 | AC_SUBST(c_target_objs) |
2410 | AC_SUBST(cxx_target_objs) | |
11642c3a | 2411 | AC_SUBST(target_cpu_default) |
46f18e7b RK |
2412 | |
2413 | AC_SUBST_FILE(target_overrides) | |
2414 | AC_SUBST_FILE(host_overrides) | |
46f18e7b RK |
2415 | AC_SUBST_FILE(language_fragments) |
2416 | AC_SUBST_FILE(language_hooks) | |
2417 | ||
2418 | # Echo that links are built | |
75bffa71 | 2419 | if test x$host = x$target |
46f18e7b RK |
2420 | then |
2421 | str1="native " | |
2422 | else | |
2423 | str1="cross-" | |
2424 | str2=" from $host" | |
2425 | fi | |
2426 | ||
75bffa71 | 2427 | if test x$host != x$build |
46f18e7b RK |
2428 | then |
2429 | str3=" on a $build system" | |
2430 | fi | |
2431 | ||
75bffa71 | 2432 | if test "x$str2" != x || test "x$str3" != x |
46f18e7b RK |
2433 | then |
2434 | str4= | |
2435 | fi | |
2436 | ||
2437 | echo "Links are now set up to build a ${str1}compiler for ${target}$str4" 1>&2 | |
2438 | ||
75bffa71 | 2439 | if test "x$str2" != x || test "x$str3" != x |
46f18e7b RK |
2440 | then |
2441 | echo " ${str2}${str3}." 1>&2 | |
2442 | fi | |
2443 | ||
61536478 | 2444 | # Truncate the target if necessary |
75bffa71 | 2445 | if test x$host_truncate_target != x; then |
61536478 JL |
2446 | target=`echo $target | sed -e 's/\(..............\).*/\1/'` |
2447 | fi | |
2448 | ||
46f18e7b RK |
2449 | # Configure the subdirectories |
2450 | # AC_CONFIG_SUBDIRS($subdirs) | |
2451 | ||
2452 | # Create the Makefile | |
5891b37d | 2453 | # and configure language subdirectories |
0280cf84 | 2454 | AC_OUTPUT($all_outputs, |
cdcc6a01 | 2455 | [ |
cdcc6a01 | 2456 | case x$CONFIG_HEADERS in |
b7cb92ad | 2457 | xauto-host.h:config.in) |
818b66cc | 2458 | echo > cstamp-h ;; |
cdcc6a01 | 2459 | esac |
93cf819d BK |
2460 | # If the host supports symlinks, point stage[1234] at ../stage[1234] so |
2461 | # bootstrapping and the installation procedure can still use | |
2462 | # CC="stage1/xgcc -Bstage1/". If the host doesn't support symlinks, | |
2463 | # FLAGS_TO_PASS has been modified to solve the problem there. | |
2464 | # This is virtually a duplicate of what happens in configure.lang; we do | |
2465 | # an extra check to make sure this only happens if ln -s can be used. | |
75bffa71 | 2466 | if test "$symbolic_link" = "ln -s"; then |
d8140df6 | 2467 | for d in .. ${subdirs} fixinc ; do |
75bffa71 | 2468 | if test $d != ..; then |
4e8a434e BK |
2469 | STARTDIR=`pwd` |
2470 | cd $d | |
2471 | for t in stage1 stage2 stage3 stage4 include | |
2472 | do | |
2473 | rm -f $t | |
2474 | $symbolic_link ../$t $t 2>/dev/null | |
2475 | done | |
2476 | cd $STARTDIR | |
93cf819d BK |
2477 | fi |
2478 | done | |
2479 | else true ; fi | |
ab87f8c8 JL |
2480 | # Avoid having to add intl to our include paths. |
2481 | if test -f intl/libintl.h; then | |
2482 | echo creating libintl.h | |
2483 | echo '#include "intl/libintl.h"' >libintl.h | |
2484 | fi | |
0d24f4d1 ZW |
2485 | ], |
2486 | [subdirs='$subdirs' | |
2487 | symbolic_link='$symbolic_link' | |
cdcc6a01 | 2488 | ]) |