]>
Commit | Line | Data |
---|---|---|
46f18e7b RK |
1 | # configure.in for GNU CC |
2 | # Process this file with autoconf to generate a configuration script. | |
3 | ||
fd939e46 | 4 | # Copyright (C) 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc. |
46f18e7b RK |
5 | |
6 | #This file is part of GNU CC. | |
7 | ||
8 | #GNU CC is free software; you can redistribute it and/or modify | |
9 | #it under the terms of the GNU General Public License as published by | |
10 | #the Free Software Foundation; either version 2, or (at your option) | |
11 | #any later version. | |
12 | ||
13 | #GNU CC is distributed in the hope that it will be useful, | |
14 | #but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | #MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | #GNU General Public License for more details. | |
17 | ||
18 | #You should have received a copy of the GNU General Public License | |
19 | #along with GNU CC; see the file COPYING. If not, write to | |
20 | #the Free Software Foundation, 59 Temple Place - Suite 330, | |
21 | #Boston, MA 02111-1307, USA. | |
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, | |
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, | |
4d8392b7 | 110 | [ --with-gnu-as arrange to work with GNU as.], |
df6faf79 JW |
111 | gas_flag="$with_gnu_as", |
112 | gas_flag=no) | |
46f18e7b | 113 | |
ab339d62 AO |
114 | AC_ARG_WITH(as, |
115 | [ --with-as arrange to use the specified as (full pathname).], | |
3ccc3a56 AO |
116 | DEFAULT_ASSEMBLER="$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, | |
129 | [ --with-stabs arrange to use stabs instead of host debug format.], | |
535b86ce | 130 | stabs="$with_stabs", |
46f18e7b RK |
131 | stabs=no) |
132 | ||
133 | # With ELF | |
134 | AC_ARG_WITH(elf, | |
135 | [ --with-elf arrange to use ELF instead of host debug format.], | |
535b86ce | 136 | elf="$with_elf", |
46f18e7b RK |
137 | elf=no) |
138 | ||
4d8392b7 | 139 | # Specify the local prefix |
4e88d51b | 140 | local_prefix= |
4d8392b7 RK |
141 | AC_ARG_WITH(local-prefix, |
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$local_prefix = x; then |
4d8392b7 RK |
151 | local_prefix=/usr/local |
152 | fi | |
153 | ||
8f8d3278 NC |
154 | # Don't set gcc_gxx_include_dir to gxx_include_dir since that's only |
155 | # passed in by the toplevel make and thus we'd get different behavior | |
156 | # depending on where we built the sources. | |
157 | gcc_gxx_include_dir= | |
9514f0d1 RK |
158 | # Specify the g++ header file directory |
159 | AC_ARG_WITH(gxx-include-dir, | |
160 | [ --with-gxx-include-dir=DIR | |
161 | specifies directory to put g++ header files.], | |
4e88d51b JM |
162 | [case "${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, | |
181 | [ --enable-multilib enable library support for multiple ABIs], | |
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 ZW |
249 | AC_ARG_ENABLE(cpp, |
250 | [ --disable-cpp don't provide a user-visible C preprocessor.], | |
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 | |
256 | (relative to PREFIX) as well as PREFIX/bin.], | |
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=$withval | |
261 | fi]) | |
262 | ||
c5c76735 JL |
263 | # Enable Multibyte Characters for C/C++ |
264 | AC_ARG_ENABLE(c-mbchar, | |
265 | [ --enable-c-mbchar Enable multibyte characters for C and C++.], | |
2618c083 | 266 | if test x$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, | |
276 | [ --enable-threads enable thread usage for target GCC. | |
981d4858 | 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 | \ | |
a473fe45 | 292 | xsolaris | xwin32 | xdce | 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 | |
303 | the GNU Objective-C runtime.], | |
2618c083 | 304 | if test x$enable_objc_gc = xno; then |
d8bb17c8 OP |
305 | objc_boehm_gc='' |
306 | else | |
307 | objc_boehm_gc=1 | |
308 | fi, | |
309 | objc_boehm_gc='') | |
310 | ||
90e6a802 | 311 | AC_ARG_WITH(dwarf2, |
756ee602 | 312 | [ --with-dwarf2 force the default debug format to be DWARF2.], |
90e6a802 RL |
313 | dwarf2="$with_dwarf2", |
314 | dwarf2=no) | |
315 | ||
50503ac8 RH |
316 | AC_ARG_ENABLE(shared, |
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 | ||
e9a25f70 JL |
338 | # Find the native compiler |
339 | AC_PROG_CC | |
3ec83fc2 | 340 | AC_PROG_CC_C_O |
b8dad04b | 341 | # autoconf is lame and doesn't give us any substitution variable for this. |
e38df833 | 342 | if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then |
b4c7e567 | 343 | NO_MINUS_C_MINUS_O=yes |
b8dad04b ZW |
344 | else |
345 | OUTPUT_OPTION='-o $@' | |
b4c7e567 | 346 | fi |
3ec83fc2 | 347 | AC_SUBST(NO_MINUS_C_MINUS_O) |
b8dad04b | 348 | AC_SUBST(OUTPUT_OPTION) |
3ec83fc2 | 349 | |
97d81d66 JM |
350 | AC_CACHE_CHECK(whether ${CC-cc} accepts -Wno-long-long, |
351 | ac_cv_prog_cc_no_long_long, | |
352 | [save_CFLAGS="$CFLAGS" | |
353 | CFLAGS="-Wno-long-long" | |
354 | AC_TRY_COMPILE(,,ac_cv_prog_cc_no_long_long=yes, | |
355 | ac_cv_prog_cc_no_long_long=no) | |
356 | CFLAGS="$save_CFLAGS"]) | |
b8dad04b ZW |
357 | strict1_warn= |
358 | if test $ac_cv_prog_cc_no_long_long = yes; then | |
359 | strict1_warn="-pedantic -Wno-long-long" | |
360 | fi | |
361 | AC_SUBST(strict1_warn) | |
ff5def20 | 362 | |
84c041a1 | 363 | AC_PROG_CPP |
75e93faa ZW |
364 | AC_C_INLINE |
365 | gcc_AC_C_VOLATILE | |
366 | ||
367 | gcc_AC_C_LONG_DOUBLE | |
368 | gcc_AC_C_LONG_LONG | |
369 | ||
370 | # sizeof(char) is 1 by definition. | |
371 | gcc_AC_COMPILE_CHECK_SIZEOF(short) | |
372 | gcc_AC_COMPILE_CHECK_SIZEOF(int) | |
373 | gcc_AC_COMPILE_CHECK_SIZEOF(long) | |
374 | if test $ac_cv_c_long_long = yes; then | |
375 | gcc_AC_COMPILE_CHECK_SIZEOF(long long) | |
376 | fi | |
377 | if test $ac_cv_c___int64 = yes; then | |
378 | gcc_AC_COMPILE_CHECK_SIZEOF(__int64) | |
379 | fi | |
380 | ||
84c041a1 | 381 | gcc_AC_C_CHARSET |
84c041a1 | 382 | |
61842080 MM |
383 | # If the native compiler is GCC, we can enable warnings even in stage1. |
384 | # That's useful for people building cross-compilers, or just running a | |
385 | # quick `make'. | |
b8dad04b ZW |
386 | warn_cflags= |
387 | if test "x$GCC" = "xyes"; then | |
388 | warn_cflags='$(GCC_WARN_CFLAGS)' | |
61842080 | 389 | fi |
b8dad04b | 390 | AC_SUBST(warn_cflags) |
5b67ad6f DA |
391 | |
392 | # Stage specific cflags for build. | |
b8dad04b | 393 | stage1_cflags= |
5b67ad6f DA |
394 | case $build in |
395 | vax-*-*) | |
396 | if test x$GCC = xyes | |
397 | then | |
b8dad04b | 398 | stage1_cflags="-Wa,-J" |
5b67ad6f | 399 | else |
b8dad04b | 400 | stage1_cflags="-J" |
5b67ad6f DA |
401 | fi |
402 | ;; | |
403 | esac | |
b8dad04b | 404 | AC_SUBST(stage1_cflags) |
61842080 | 405 | |
e9a25f70 JL |
406 | AC_PROG_MAKE_SET |
407 | ||
ab339d62 | 408 | AC_MSG_CHECKING([whether a default assembler was specified]) |
3ccc3a56 | 409 | if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then |
e154a394 | 410 | if test x"$gas_flag" = x"no"; then |
3ccc3a56 | 411 | AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER)]) |
ab339d62 | 412 | else |
3ccc3a56 | 413 | AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER - GNU as)]) |
ab339d62 AO |
414 | fi |
415 | else | |
416 | AC_MSG_RESULT(no) | |
417 | fi | |
418 | ||
419 | AC_MSG_CHECKING([whether a default linker was specified]) | |
3ccc3a56 | 420 | if test x"${DEFAULT_LINKER+set}" = x"set"; then |
e154a394 | 421 | if test x"$gnu_ld_flag" = x"no"; then |
3ccc3a56 | 422 | AC_MSG_RESULT([yes ($DEFAULT_LINKER)]) |
ab339d62 | 423 | else |
3ccc3a56 | 424 | AC_MSG_RESULT([yes ($DEFAULT_LINKER - GNU ld)]) |
ab339d62 AO |
425 | fi |
426 | else | |
427 | AC_MSG_RESULT(no) | |
428 | fi | |
429 | ||
4070d885 AJ |
430 | AC_MSG_CHECKING(for GNU C library) |
431 | AC_CACHE_VAL(gcc_cv_glibc, | |
432 | [AC_TRY_COMPILE( | |
433 | [#include <features.h>],[ | |
434 | #if ! (defined __GLIBC__ || defined __GNU_LIBRARY__) | |
435 | #error Not a GNU C library system | |
436 | #endif], | |
437 | [gcc_cv_glibc=yes], | |
438 | gcc_cv_glibc=no)]) | |
439 | AC_MSG_RESULT($gcc_cv_glibc) | |
c2f7d403 | 440 | if test $gcc_cv_glibc = yes; then |
4070d885 AJ |
441 | AC_DEFINE(_GNU_SOURCE, 1, [Always define this when using the GNU C Library]) |
442 | fi | |
4797e955 | 443 | |
46f18e7b RK |
444 | # Find some useful tools |
445 | AC_PROG_AWK | |
99e757d5 KG |
446 | gcc_AC_PROG_LN |
447 | gcc_AC_PROG_LN_S | |
46f18e7b | 448 | AC_PROG_RANLIB |
99e757d5 | 449 | gcc_AC_PROG_INSTALL |
46f18e7b | 450 | |
956d6950 JL |
451 | AC_HEADER_STDC |
452 | AC_HEADER_TIME | |
99e757d5 | 453 | gcc_AC_HEADER_STRING |
e9831ca0 | 454 | AC_HEADER_SYS_WAIT |
03c41c05 | 455 | AC_CHECK_HEADERS(limits.h stddef.h string.h strings.h stdlib.h time.h \ |
7719ffbf | 456 | fcntl.h unistd.h sys/file.h sys/time.h \ |
03c41c05 | 457 | sys/resource.h sys/param.h sys/times.h sys/stat.h \ |
d6edb99e | 458 | direct.h malloc.h langinfo.h iconv.h stdbool.h) |
7636d567 | 459 | |
f24af81b TT |
460 | # Check for thread headers. |
461 | AC_CHECK_HEADER(thread.h, [have_thread_h=yes], [have_thread_h=]) | |
462 | AC_CHECK_HEADER(pthread.h, [have_pthread_h=yes], [have_pthread_h=]) | |
463 | ||
84c041a1 | 464 | # These tests can't be done till we know if we have limits.h. |
75e93faa | 465 | gcc_AC_C_CHAR_BIT |
2d6eb5bf ZW |
466 | gcc_AC_C_COMPILE_ENDIAN |
467 | gcc_AC_C_FLOAT_FORMAT | |
75e93faa | 468 | |
bcf12124 | 469 | # See if GNAT has been installed |
1ffc5c6e | 470 | AC_CHECK_PROG(have_gnat, gnatbind, yes, no) |
bcf12124 | 471 | |
955be633 JM |
472 | # See if we have the mktemp command. |
473 | AC_CHECK_PROG(have_mktemp_command, mktemp, yes, no) | |
474 | ||
09fa0705 ZW |
475 | # Do we have a single-tree copy of texinfo? |
476 | if test -f $srcdir/../texinfo/Makefile.in; then | |
477 | MAKEINFO='$(objdir)/../texinfo/makeinfo/makeinfo' | |
478 | gcc_cv_prog_makeinfo_modern=yes | |
479 | AC_MSG_RESULT([Using makeinfo from the unified source tree.]) | |
480 | else | |
481 | # See if makeinfo has been installed and is modern enough | |
482 | # that we can use it. | |
483 | gcc_AC_CHECK_PROG_VER(MAKEINFO, makeinfo, --version, | |
484 | [GNU texinfo.* \([0-9][0-9.]*\)], | |
fd939e46 | 485 | [4.*]) |
09fa0705 ZW |
486 | fi |
487 | ||
488 | if test $gcc_cv_prog_makeinfo_modern = no; then | |
489 | AC_MSG_WARN([ | |
490 | *** Makeinfo is missing or too old. | |
17db6582 | 491 | *** Info documentation will not be built.]) |
09fa0705 | 492 | BUILD_INFO= |
09fa0705 ZW |
493 | else |
494 | BUILD_INFO=info AC_SUBST(BUILD_INFO) | |
09fa0705 ZW |
495 | fi |
496 | ||
3f896fc2 JM |
497 | # Is pod2man recent enough to regenerate manpages? |
498 | AC_MSG_CHECKING([for recent Pod::Man]) | |
499 | if perl -e 'use 1.10 Pod::Man' >/dev/null 2>&1; then | |
fd939e46 JM |
500 | AC_MSG_RESULT(yes) |
501 | GENERATED_MANPAGES=generated-manpages AC_SUBST(GENERATED_MANPAGES) | |
502 | else | |
503 | AC_MSG_RESULT(no) | |
504 | GENERATED_MANPAGES= | |
505 | fi | |
506 | ||
1e608388 ZW |
507 | # How about lex? |
508 | dnl Don't use AC_PROG_LEX; we insist on flex. | |
509 | dnl LEXLIB is not useful in gcc. | |
510 | if test -f $srcdir/../flex/skel.c; then | |
511 | FLEX='$(objdir)/../flex/flex' | |
512 | else | |
513 | AC_CHECK_PROG(FLEX, flex, flex, false) | |
514 | fi | |
515 | ||
516 | # Bison? | |
517 | # The -L switch is so bison can find its skeleton file. | |
518 | if test -f $srcdir/../bison/bison.simple; then | |
519 | BISON='$(objdir)/../bison/bison -L $(srcdir)/../bison/' | |
520 | else | |
521 | AC_CHECK_PROG(BISON, bison, bison, false) | |
522 | fi | |
523 | ||
4e70264f ZW |
524 | # These libraries may be used by collect2. |
525 | # We may need a special search path to get them linked. | |
526 | AC_CACHE_CHECK(for collect2 libraries, gcc_cv_collect2_libs, | |
527 | [save_LIBS="$LIBS" | |
528 | for libs in '' -lld -lmld '-lmld -lexc' \ | |
529 | '-L/usr/lib/cmplrs/cc2.11 -lmld' \ | |
530 | '-L/usr/lib/cmplrs/cc3.11 -lmld' | |
531 | do | |
532 | LIBS="$libs" | |
533 | AC_TRY_LINK_FUNC(ldopen, | |
534 | [gcc_cv_collect2_libs="$libs"; break]) | |
535 | done | |
536 | LIBS="$save_LIBS" | |
537 | test -z "$gcc_cv_collect2_libs" && gcc_cv_collect2_libs='none required']) | |
538 | case $gcc_cv_collect2_libs in | |
539 | "none required") ;; | |
540 | *) COLLECT2_LIBS=$gcc_cv_collect2_libs ;; | |
541 | esac | |
542 | AC_SUBST(COLLECT2_LIBS) | |
543 | ||
890ad3ea | 544 | # See if the stage1 system preprocessor understands the ANSI C |
4bc5fbd4 | 545 | # preprocessor stringification operator. (Used by symcat.h.) |
890ad3ea | 546 | AC_C_STRINGIZE |
76844337 | 547 | |
7636d567 JW |
548 | # Use <inttypes.h> only if it exists, |
549 | # doesn't clash with <sys/types.h>, and declares intmax_t. | |
550 | AC_MSG_CHECKING(for inttypes.h) | |
551 | AC_CACHE_VAL(gcc_cv_header_inttypes_h, | |
552 | [AC_TRY_COMPILE( | |
553 | [#include <sys/types.h> | |
554 | #include <inttypes.h>], | |
555 | [intmax_t i = -1;], | |
9da0e39b | 556 | [gcc_cv_header_inttypes_h=yes], |
7636d567 JW |
557 | gcc_cv_header_inttypes_h=no)]) |
558 | AC_MSG_RESULT($gcc_cv_header_inttypes_h) | |
9da0e39b | 559 | if test $gcc_cv_header_inttypes_h = yes; then |
119d24d1 KG |
560 | AC_DEFINE(HAVE_INTTYPES_H, 1, |
561 | [Define if you have a working <inttypes.h> header file.]) | |
9da0e39b | 562 | fi |
cdcc6a01 | 563 | |
9612ab65 ZW |
564 | dnl Disabled until we have a complete test for buggy enum bitfields. |
565 | dnl gcc_AC_C_ENUM_BF_UNSIGNED | |
c149cc37 | 566 | |
c1800ec8 | 567 | AC_CHECK_FUNCS(strtoul bsearch popen times clock \ |
2e09e75a | 568 | strchr strrchr kill getrlimit setrlimit atoll atoq \ |
54953b66 | 569 | sysconf isascii gettimeofday strsignal putc_unlocked fputc_unlocked \ |
f9200da2 | 570 | fputs_unlocked getrusage iconv nl_langinfo lstat) |
a81fb89e | 571 | |
f12bc141 | 572 | AC_CHECK_TYPE(ssize_t, int) |
56f48ce9 | 573 | |
e256b8b6 DA |
574 | # Try to determine the array type of the second argument of getgroups |
575 | # for the target system (int or gid_t). | |
576 | AC_TYPE_GETGROUPS | |
577 | if test "${target}" = "${build}"; then | |
578 | TARGET_GETGROUPS_T=$ac_cv_type_getgroups | |
579 | else | |
580 | case "${target}" in | |
581 | # This condition may need some tweaking. It should include all | |
582 | # targets where the array type of the second argument of getgroups | |
583 | # is int and the type of gid_t is not equivalent to int. | |
584 | *-*-sunos* | *-*-ultrix*) | |
585 | TARGET_GETGROUPS_T=int | |
586 | ;; | |
587 | *) | |
588 | TARGET_GETGROUPS_T=gid_t | |
589 | ;; | |
590 | esac | |
591 | fi | |
592 | AC_SUBST(TARGET_GETGROUPS_T) | |
593 | ||
99e757d5 | 594 | gcc_AC_FUNC_VFPRINTF_DOPRNT |
b3e1e64f | 595 | gcc_AC_FUNC_STRSTR |
99e757d5 | 596 | gcc_AC_FUNC_PRINTF_PTR |
b27d2bd5 MK |
597 | |
598 | case "${host}" in | |
599 | *-*-uwin*) | |
34fa3e7d MM |
600 | AC_MSG_ERROR([ |
601 | *** UWIN may not be used as a host platform because | |
602 | *** linking with posix.dll is not allowed by the GNU GPL]) | |
b27d2bd5 MK |
603 | ;; |
604 | esac | |
c375c43b | 605 | AC_FUNC_VFORK |
4acab94b | 606 | AC_FUNC_MMAP_ANYWHERE |
56f02b88 | 607 | AC_FUNC_MMAP_FILE |
f1b54f9b | 608 | |
86cf1cbd KG |
609 | # We will need to find libiberty.h and ansidecl.h |
610 | saved_CFLAGS="$CFLAGS" | |
611 | CFLAGS="$CFLAGS -I${srcdir} -I${srcdir}/../include" | |
8e944909 | 612 | gcc_AC_CHECK_DECLS(getenv atol sbrk abort atof getcwd getwd \ |
6c889b67 | 613 | strsignal putc_unlocked fputs_unlocked strstr environ errno \ |
c1800ec8 | 614 | malloc realloc calloc free basename getopt clock, , ,[ |
d02af173 | 615 | #include "ansidecl.h" |
86cf1cbd | 616 | #include "system.h"]) |
c5c76735 | 617 | |
f31e826b | 618 | gcc_AC_CHECK_DECLS(getrlimit setrlimit getrusage, , ,[ |
d02af173 | 619 | #include "ansidecl.h" |
86cf1cbd | 620 | #include "system.h" |
d2cabf16 KG |
621 | #ifdef HAVE_SYS_RESOURCE_H |
622 | #include <sys/resource.h> | |
623 | #endif | |
624 | ]) | |
625 | ||
c1800ec8 ZW |
626 | gcc_AC_CHECK_DECLS(times, , ,[ |
627 | #include "ansidecl.h" | |
628 | #include "system.h" | |
629 | #ifdef HAVE_SYS_TIMES_H | |
630 | #include <sys/times.h> | |
631 | #endif | |
632 | ]) | |
633 | ||
634 | # More time-related stuff. | |
635 | AC_CACHE_CHECK(for struct tms, ac_cv_struct_tms, [ | |
636 | AC_TRY_COMPILE([ | |
637 | #include "ansidecl.h" | |
638 | #include "system.h" | |
639 | #ifdef HAVE_SYS_TIMES_H | |
640 | #include <sys/times.h> | |
641 | #endif | |
642 | ], [struct tms tms;], ac_cv_struct_tms=yes, ac_cv_struct_tms=no)]) | |
643 | if test $ac_cv_struct_tms = yes; then | |
644 | AC_DEFINE(HAVE_STRUCT_TMS, 1, | |
645 | [Define if <sys/times.h> defines struct tms.]) | |
646 | fi | |
647 | ||
648 | # use gcc_cv_* here because this doesn't match the behavior of AC_CHECK_TYPE. | |
649 | # revisit after autoconf 2.50. | |
650 | AC_CACHE_CHECK(for clock_t, gcc_cv_type_clock_t, [ | |
651 | AC_TRY_COMPILE([ | |
652 | #include "ansidecl.h" | |
653 | #include "system.h" | |
654 | ], [clock_t x;], gcc_cv_type_clock_t=yes, gcc_cv_type_clock_t=no)]) | |
655 | if test $gcc_cv_type_clock_t = yes; then | |
656 | AC_DEFINE(HAVE_CLOCK_T, 1, | |
657 | [Define if <time.h> defines clock_t.]) | |
658 | fi | |
659 | ||
86cf1cbd KG |
660 | # Restore CFLAGS from before the gcc_AC_NEED_DECLARATIONS tests. |
661 | CFLAGS="$saved_CFLAGS" | |
662 | ||
75923b2f | 663 | # mkdir takes a single argument on some systems. |
99e757d5 | 664 | gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG |
75923b2f | 665 | |
46f18e7b RK |
666 | # File extensions |
667 | manext='.1' | |
668 | objext='.o' | |
46f18e7b RK |
669 | AC_SUBST(manext) |
670 | AC_SUBST(objext) | |
46f18e7b RK |
671 | |
672 | build_xm_file= | |
61536478 | 673 | build_xm_defines= |
46f18e7b RK |
674 | build_install_headers_dir=install-headers-tar |
675 | build_exeext= | |
676 | host_xm_file= | |
61536478 | 677 | host_xm_defines= |
46f18e7b RK |
678 | host_xmake_file= |
679 | host_truncate_target= | |
6e26218f | 680 | host_exeext= |
46f18e7b RK |
681 | |
682 | # Decode the host machine, then the target machine. | |
683 | # For the host machine, we save the xm_file variable as host_xm_file; | |
684 | # then we decode the target machine and forget everything else | |
685 | # that came from the host machine. | |
686 | for machine in $build $host $target; do | |
61ed06c3 | 687 | . ${srcdir}/config.gcc |
46f18e7b RK |
688 | done |
689 | ||
690 | extra_objs="${host_extra_objs} ${extra_objs}" | |
691 | ||
692 | # Default the target-machine variables that were not explicitly set. | |
75bffa71 | 693 | if test x"$tm_file" = x |
46f18e7b RK |
694 | then tm_file=$cpu_type/$cpu_type.h; fi |
695 | ||
6b2adea9 | 696 | if test x"$extra_headers" = x |
46f18e7b RK |
697 | then extra_headers=; fi |
698 | ||
75bffa71 | 699 | if test x$md_file = x |
e98e406f | 700 | then md_file=$cpu_type/$cpu_type.md; fi |
46f18e7b | 701 | |
75bffa71 | 702 | if test x$out_file = x |
46f18e7b RK |
703 | then out_file=$cpu_type/$cpu_type.c; fi |
704 | ||
75bffa71 | 705 | if test x"$tmake_file" = x |
46f18e7b RK |
706 | then tmake_file=$cpu_type/t-$cpu_type |
707 | fi | |
708 | ||
90e6a802 | 709 | if test x"$dwarf2" = xyes |
756ee602 | 710 | then tm_file="$tm_file tm-dwarf2.h" |
90e6a802 RL |
711 | fi |
712 | ||
75bffa71 | 713 | if test x$float_format = x |
46f18e7b RK |
714 | then float_format=i64 |
715 | fi | |
716 | ||
027ea2a7 JW |
717 | if test $float_format = none |
718 | then float_h_file=Makefile.in | |
719 | else float_h_file=float-$float_format.h | |
720 | fi | |
721 | ||
9fc9b82a | 722 | # Handle cpp installation. |
3ecc3258 | 723 | if test x$enable_cpp != xno |
9fc9b82a L |
724 | then |
725 | tmake_file="$tmake_file t-install-cpp" | |
726 | fi | |
727 | ||
46f18e7b | 728 | # Say what files are being used for the output code and MD file. |
11642c3a | 729 | echo "Using \`$srcdir/config/$out_file' for machine-specific logic." |
46f18e7b RK |
730 | echo "Using \`$srcdir/config/$md_file' as machine description file." |
731 | ||
11642c3a | 732 | # If any of the xm_file variables contain nonexistent files, warn |
4dc0535b ZW |
733 | # about them and drop them. |
734 | ||
190c4cb4 | 735 | changequote(,)dnl |
11642c3a ZW |
736 | bx= |
737 | for x in $build_xm_file; do | |
738 | if test -f $srcdir/config/$x | |
739 | then bx="$bx $x" | |
11642c3a ZW |
740 | else AC_MSG_WARN($srcdir/config/$x does not exist.) |
741 | fi | |
742 | done | |
743 | build_xm_file="$bx" | |
744 | ||
745 | hx= | |
746 | for x in $host_xm_file; do | |
747 | if test -f $srcdir/config/$x | |
748 | then hx="$hx $x" | |
11642c3a ZW |
749 | else AC_MSG_WARN($srcdir/config/$x does not exist.) |
750 | fi | |
751 | done | |
752 | host_xm_file="$hx" | |
753 | ||
754 | tx= | |
755 | for x in $xm_file; do | |
756 | if test -f $srcdir/config/$x | |
757 | then tx="$tx $x" | |
11642c3a ZW |
758 | else AC_MSG_WARN($srcdir/config/$x does not exist.) |
759 | fi | |
760 | done | |
761 | xm_file="$tx" | |
190c4cb4 | 762 | changequote([,])dnl |
11642c3a | 763 | |
46f18e7b RK |
764 | count=a |
765 | for f in $tm_file; do | |
766 | count=${count}x | |
767 | done | |
75bffa71 | 768 | if test $count = ax; then |
46f18e7b RK |
769 | echo "Using \`$srcdir/config/$tm_file' as target machine macro file." |
770 | else | |
771 | echo "Using the following target machine macro files:" | |
772 | for f in $tm_file; do | |
773 | echo " $srcdir/config/$f" | |
774 | done | |
775 | fi | |
776 | ||
777 | count=a | |
778 | for f in $host_xm_file; do | |
779 | count=${count}x | |
780 | done | |
11642c3a ZW |
781 | if test $count = a; then |
782 | : | |
783 | elif test $count = ax; then | |
46f18e7b RK |
784 | echo "Using \`$srcdir/config/$host_xm_file' as host machine macro file." |
785 | else | |
786 | echo "Using the following host machine macro files:" | |
787 | for f in $host_xm_file; do | |
788 | echo " $srcdir/config/$f" | |
789 | done | |
790 | fi | |
791 | ||
75bffa71 | 792 | if test "$host_xm_file" != "$build_xm_file"; then |
46f18e7b RK |
793 | count=a |
794 | for f in $build_xm_file; do | |
795 | count=${count}x | |
796 | done | |
11642c3a ZW |
797 | if test $count = a; then |
798 | : | |
799 | elif test $count = ax; then | |
46f18e7b RK |
800 | echo "Using \`$srcdir/config/$build_xm_file' as build machine macro file." |
801 | else | |
802 | echo "Using the following build machine macro files:" | |
803 | for f in $build_xm_file; do | |
804 | echo " $srcdir/config/$f" | |
805 | done | |
806 | fi | |
807 | fi | |
808 | ||
75bffa71 ILT |
809 | if test x$thread_file = x; then |
810 | if test x$target_thread_file != x; then | |
a851212a JW |
811 | thread_file=$target_thread_file |
812 | else | |
813 | thread_file='single' | |
814 | fi | |
46f18e7b | 815 | fi |
46f18e7b | 816 | |
b7cb92ad | 817 | # auto-host.h is the file containing items generated by autoconf and is |
e9a25f70 | 818 | # the first file included by config.h. |
b7cb92ad | 819 | # If host=build, it is correct to have hconfig include auto-host.h |
db81d74a RH |
820 | # as well. If host!=build, we are in error and need to do more |
821 | # work to find out the build config parameters. | |
75bffa71 | 822 | if test x$host = x$build |
db81d74a | 823 | then |
eaf4e618 | 824 | build_auto=auto-host.h |
b7cb92ad JL |
825 | else |
826 | # We create a subdir, then run autoconf in the subdir. | |
827 | # To prevent recursion we set host and build for the new | |
828 | # invocation of configure to the build for this invocation | |
829 | # of configure. | |
830 | tempdir=build.$$ | |
831 | rm -rf $tempdir | |
832 | mkdir $tempdir | |
833 | cd $tempdir | |
834 | case ${srcdir} in | |
b86ecfa9 | 835 | /* | [A-Za-z]:[\\/]* ) realsrcdir=${srcdir};; |
b7cb92ad JL |
836 | *) realsrcdir=../${srcdir};; |
837 | esac | |
fe81dd69 | 838 | CC=${CC_FOR_BUILD} ${realsrcdir}/configure \ |
b7cb92ad JL |
839 | --target=$target --host=$build --build=$build |
840 | ||
841 | # We just finished tests for the build machine, so rename | |
842 | # the file auto-build.h in the gcc directory. | |
843 | mv auto-host.h ../auto-build.h | |
844 | cd .. | |
845 | rm -rf $tempdir | |
eaf4e618 | 846 | build_auto=auto-build.h |
db81d74a RH |
847 | fi |
848 | ||
eaf4e618 | 849 | tm_file="${tm_file} defaults.h" |
d02af173 ZW |
850 | host_xm_file="auto-host.h ansidecl.h ${host_xm_file} ${tm_file}" |
851 | build_xm_file="${build_auto} ansidecl.h ${build_xm_file} ${tm_file}" | |
852 | xm_file="ansidecl.h ${xm_file} ${tm_file}" | |
0056a9b5 | 853 | |
46f18e7b | 854 | # Truncate the target if necessary |
75bffa71 | 855 | if test x$host_truncate_target != x; then |
46f18e7b RK |
856 | target=`echo $target | sed -e 's/\(..............\).*/\1/'` |
857 | fi | |
858 | ||
f1943b77 | 859 | # Get the version trigger filename from the toplevel |
75bffa71 | 860 | if test "${with_gcc_version_trigger+set}" = set; then |
f1943b77 MH |
861 | gcc_version_trigger=$with_gcc_version_trigger |
862 | else | |
863 | gcc_version_trigger=${srcdir}/version.c | |
864 | fi | |
75bffa71 | 865 | changequote(,)dnl |
8763704d JM |
866 | gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([^\"]*\)\".*/\1/'` |
867 | gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'` | |
cc1e60ea JM |
868 | |
869 | # Compile in configure arguments. | |
8105825d | 870 | if test -f configargs.h ; then |
cc1e60ea JM |
871 | # Being re-configured. |
872 | gcc_config_arguments=`grep configuration_arguments configargs.h | sed -e 's/.*\"\([^\"]*\)\".*/\1/'` | |
873 | gcc_config_arguments="$gcc_config_arguments : (reconfigured) $TOPLEVEL_CONFIGURE_ARGUMENTS" | |
874 | else | |
875 | gcc_config_arguments="$TOPLEVEL_CONFIGURE_ARGUMENTS" | |
876 | fi | |
877 | cat > configargs.h <<EOF | |
878 | /* Generated automatically. */ | |
879 | static const char configuration_arguments[] = "$gcc_config_arguments"; | |
a6687d2b | 880 | static const char thread_model[] = "$thread_file"; |
cc1e60ea | 881 | EOF |
75bffa71 | 882 | changequote([,])dnl |
46f18e7b | 883 | |
ab87f8c8 JL |
884 | # Internationalization |
885 | PACKAGE=gcc | |
886 | VERSION="$gcc_version" | |
119d24d1 KG |
887 | AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", |
888 | [Define to the name of the distribution.]) | |
889 | AC_DEFINE_UNQUOTED(VERSION, "$VERSION", | |
890 | [Define to the version of the distribution.]) | |
ab87f8c8 JL |
891 | AC_SUBST(PACKAGE) |
892 | AC_SUBST(VERSION) | |
893 | ||
2be36552 | 894 | ALL_LINGUAS="sv" |
ab87f8c8 | 895 | |
dc6746e7 | 896 | # Enable NLS support by default |
ab87f8c8 | 897 | AC_ARG_ENABLE(nls, |
dc6746e7 PT |
898 | [ --enable-nls use Native Language Support (default)], |
899 | , enable_nls=yes) | |
900 | ||
901 | # if cross compiling, disable NLS support. | |
902 | # It's not worth the trouble, at least for now. | |
903 | ||
063a4b85 | 904 | if test "${build}" != "${host}" && test "x$enable_nls" = "xyes"; then |
dc6746e7 PT |
905 | AC_MSG_WARN(Disabling NLS support for canadian cross compiler.) |
906 | enable_nls=no | |
907 | fi | |
ab87f8c8 | 908 | |
4adee315 PT |
909 | # if NLS is enabled, also enable check in po subdir |
910 | if test $enable_nls = yes; then | |
911 | CHECK_PO=check-po | |
912 | else | |
913 | CHECK_PO="" | |
914 | fi | |
915 | ||
916 | AC_SUBST(CHECK_PO) | |
917 | ||
ab87f8c8 JL |
918 | AM_GNU_GETTEXT |
919 | XGETTEXT="AWK='$AWK' \$(SHELL) \$(top_srcdir)/exgettext $XGETTEXT" | |
920 | ||
f4ab28e3 MK |
921 | # Windows32 Registry support for specifying GCC installation paths. |
922 | AC_ARG_ENABLE(win32-registry, | |
923 | [ --disable-win32-registry | |
924 | Disable lookup of installation paths in the | |
925 | Registry on Windows hosts. | |
926 | --enable-win32-registry Enable registry lookup (default). | |
927 | --enable-win32-registry=KEY | |
928 | Use KEY instead of GCC version as the last portion | |
929 | of the registry key.],,) | |
4e70264f ZW |
930 | case $host_os in |
931 | win32 | pe | cygwin* | mingw32* | uwin*) | |
f4ab28e3 MK |
932 | AC_MSG_CHECKING(whether windows registry support is requested) |
933 | if test x$enable_win32_registry != xno; then | |
119d24d1 KG |
934 | AC_DEFINE(ENABLE_WIN32_REGISTRY, 1, |
935 | [Define to 1 if installation paths should be looked up in Windows32 | |
91029a29 | 936 | Registry. Ignored on non windows32 hosts.]) |
f4ab28e3 | 937 | AC_MSG_RESULT(yes) |
4e70264f | 938 | AC_SEARCH_LIBS(RegOpenKeyExA, advapi32) |
f4ab28e3 MK |
939 | else |
940 | AC_MSG_RESULT(no) | |
941 | fi | |
942 | ||
943 | # Check if user specified a different registry key. | |
944 | case x${enable_win32_registry} in | |
945 | x | xyes) | |
946 | # default. | |
947 | gcc_cv_win32_registry_key="$VERSION" | |
948 | ;; | |
949 | xno) | |
950 | # no registry lookup. | |
951 | gcc_cv_win32_registry_key='' | |
952 | ;; | |
953 | *) | |
954 | # user-specified key. | |
955 | gcc_cv_win32_registry_key="$enable_win32_registry" | |
956 | ;; | |
957 | esac | |
958 | ||
959 | if test x$enable_win32_registry != xno; then | |
960 | AC_MSG_CHECKING(registry key on windows hosts) | |
119d24d1 KG |
961 | AC_DEFINE_UNQUOTED(WIN32_REGISTRY_KEY, "$gcc_cv_win32_registry_key", |
962 | [Define to be the last portion of registry key on windows hosts.]) | |
f4ab28e3 MK |
963 | AC_MSG_RESULT($gcc_cv_win32_registry_key) |
964 | fi | |
4e70264f ZW |
965 | ;; |
966 | esac | |
f4ab28e3 | 967 | |
7fa10b25 RK |
968 | # Get an absolute path to the GCC top-level source directory |
969 | holddir=`pwd` | |
970 | cd $srcdir | |
971 | topdir=`pwd` | |
972 | cd $holddir | |
973 | ||
af5e4ada | 974 | # Conditionalize the makefile for this host machine. |
94f42018 DE |
975 | # Make-host contains the concatenation of all host makefile fragments |
976 | # [there can be more than one]. This file is built by configure.frag. | |
977 | host_overrides=Make-host | |
af5e4ada | 978 | dep_host_xmake_file= |
94f42018 DE |
979 | for f in .. ${host_xmake_file} |
980 | do | |
75bffa71 | 981 | if test -f ${srcdir}/config/$f |
94f42018 DE |
982 | then |
983 | dep_host_xmake_file="${dep_host_xmake_file} ${srcdir}/config/$f" | |
984 | fi | |
985 | done | |
46f18e7b | 986 | |
af5e4ada | 987 | # Conditionalize the makefile for this target machine. |
94f42018 DE |
988 | # Make-target contains the concatenation of all host makefile fragments |
989 | # [there can be more than one]. This file is built by configure.frag. | |
990 | target_overrides=Make-target | |
af5e4ada | 991 | dep_tmake_file= |
94f42018 DE |
992 | for f in .. ${tmake_file} |
993 | do | |
75bffa71 | 994 | if test -f ${srcdir}/config/$f |
94f42018 DE |
995 | then |
996 | dep_tmake_file="${dep_tmake_file} ${srcdir}/config/$f" | |
997 | fi | |
998 | done | |
5891b37d | 999 | |
af5e4ada DE |
1000 | # If the host doesn't support symlinks, modify CC in |
1001 | # FLAGS_TO_PASS so CC="stage1/xgcc -Bstage1/" works. | |
1002 | # Otherwise, we can use "CC=$(CC)". | |
1003 | rm -f symtest.tem | |
61536478 | 1004 | if $symbolic_link $srcdir/gcc.c symtest.tem 2>/dev/null |
af5e4ada DE |
1005 | then |
1006 | cc_set_by_configure="\$(CC)" | |
5aa82ace | 1007 | quoted_cc_set_by_configure="\$(CC)" |
af5e4ada DE |
1008 | stage_prefix_set_by_configure="\$(STAGE_PREFIX)" |
1009 | else | |
61536478 JL |
1010 | rm -f symtest.tem |
1011 | if cp -p $srcdir/gcc.c symtest.tem 2>/dev/null | |
1012 | then | |
1013 | symbolic_link="cp -p" | |
1014 | else | |
1015 | symbolic_link="cp" | |
1016 | fi | |
af5e4ada | 1017 | cc_set_by_configure="\`case '\$(CC)' in stage*) echo '\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\$(CC)';; esac\`" |
5aa82ace | 1018 | quoted_cc_set_by_configure="\\\`case '\\\$(CC)' in stage*) echo '\\\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(CC)';; esac\\\`" |
af5e4ada DE |
1019 | stage_prefix_set_by_configure="\`case '\$(STAGE_PREFIX)' in stage*) echo '\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\$(STAGE_PREFIX)';; esac\`" |
1020 | fi | |
1021 | rm -f symtest.tem | |
5891b37d | 1022 | |
af5e4ada | 1023 | out_object_file=`basename $out_file .c`.o |
5891b37d | 1024 | |
af5e4ada DE |
1025 | tm_file_list= |
1026 | for f in $tm_file; do | |
64ccbc99 | 1027 | case $f in |
d02af173 ZW |
1028 | ansidecl.h ) |
1029 | tm_file_list="${tm_file_list} \$(srcdir)/../include/ansidecl.h" ;; | |
1030 | defaults.h ) | |
64ccbc99 KG |
1031 | tm_file_list="${tm_file_list} $f" ;; |
1032 | *) tm_file_list="${tm_file_list} \$(srcdir)/config/$f" ;; | |
1033 | esac | |
af5e4ada | 1034 | done |
46f18e7b | 1035 | |
11642c3a ZW |
1036 | tm_p_file_list= |
1037 | for f in $tm_p_file; do | |
1038 | tm_p_file_list="${tm_p_file_list} \$(srcdir)/config/$f" | |
1039 | done | |
1040 | ||
af5e4ada DE |
1041 | host_xm_file_list= |
1042 | for f in $host_xm_file; do | |
64ccbc99 | 1043 | case $f in |
d02af173 ZW |
1044 | ansidecl.h ) |
1045 | host_xm_file_list="${host_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;; | |
1046 | auto-host.h | defaults.h ) | |
64ccbc99 KG |
1047 | host_xm_file_list="${host_xm_file_list} $f" ;; |
1048 | *) host_xm_file_list="${host_xm_file_list} \$(srcdir)/config/$f" ;; | |
1049 | esac | |
af5e4ada DE |
1050 | done |
1051 | ||
1052 | build_xm_file_list= | |
1053 | for f in $build_xm_file; do | |
64ccbc99 | 1054 | case $f in |
d02af173 ZW |
1055 | ansidecl.h ) |
1056 | build_xm_file_list="${build_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;; | |
1057 | auto-build.h | auto-host.h | defaults.h ) | |
64ccbc99 KG |
1058 | build_xm_file_list="${build_xm_file_list} $f" ;; |
1059 | *) build_xm_file_list="${build_xm_file_list} \$(srcdir)/config/$f" ;; | |
1060 | esac | |
af5e4ada | 1061 | done |
46f18e7b | 1062 | |
af5e4ada DE |
1063 | # Define macro CROSS_COMPILE in compilation |
1064 | # if this is a cross-compiler. | |
1065 | # Also use all.cross instead of all.internal | |
1066 | # and add cross-make to Makefile. | |
571a8de5 | 1067 | cross_overrides="/dev/null" |
75bffa71 | 1068 | if test x$host != x$target |
af5e4ada DE |
1069 | then |
1070 | cross_defines="CROSS=-DCROSS_COMPILE" | |
1071 | cross_overrides="${topdir}/cross-make" | |
1072 | fi | |
46f18e7b | 1073 | |
b39d221a EC |
1074 | # If this is a cross-compiler that does not |
1075 | # have its own set of headers then define | |
1076 | # inhibit_libc | |
1077 | ||
fecd6201 ZW |
1078 | # If this is using newlib, then define inhibit_libc in LIBGCC2_CFLAGS. |
1079 | # This prevents libgcc2 from containing any code which requires libc | |
1080 | # support. | |
b39d221a EC |
1081 | inhibit_libc= |
1082 | if [test x$host != x$target] && [test x$with_headers = x]; then | |
1083 | inhibit_libc=-Dinhibit_libc | |
1084 | else | |
1085 | if [test x$with_newlib = xyes]; then | |
1086 | inhibit_libc=-Dinhibit_libc | |
1087 | fi | |
1088 | fi | |
1089 | AC_SUBST(inhibit_libc) | |
1090 | ||
af5e4ada DE |
1091 | # When building gcc with a cross-compiler, we need to fix a few things. |
1092 | # This must come after cross-make as we want all.build to override | |
1093 | # all.cross. | |
571a8de5 | 1094 | build_overrides="/dev/null" |
75bffa71 | 1095 | if test x$build != x$host |
af5e4ada DE |
1096 | then |
1097 | build_overrides="${topdir}/build-make" | |
1098 | fi | |
46f18e7b | 1099 | |
ae3a15bb DE |
1100 | # Expand extra_headers to include complete path. |
1101 | # This substitutes for lots of t-* files. | |
1102 | extra_headers_list= | |
75bffa71 | 1103 | if test "x$extra_headers" = x |
ae3a15bb DE |
1104 | then true |
1105 | else | |
1106 | # Prepend ${srcdir}/ginclude/ to every entry in extra_headers. | |
1107 | for file in $extra_headers; | |
1108 | do | |
1109 | extra_headers_list="${extra_headers_list} \$(srcdir)/ginclude/${file}" | |
1110 | done | |
1111 | fi | |
1112 | ||
75bffa71 | 1113 | if test x$use_collect2 = xno; then |
2ce3c6c6 JM |
1114 | use_collect2= |
1115 | fi | |
1116 | ||
af5e4ada DE |
1117 | # Add a definition of USE_COLLECT2 if system wants one. |
1118 | # Also tell toplev.c what to do. | |
1119 | # This substitutes for lots of t-* files. | |
75bffa71 | 1120 | if test x$use_collect2 = x |
af5e4ada DE |
1121 | then |
1122 | will_use_collect2= | |
1123 | maybe_use_collect2= | |
1124 | else | |
10da1131 | 1125 | will_use_collect2="collect2" |
af5e4ada DE |
1126 | maybe_use_collect2="-DUSE_COLLECT2" |
1127 | fi | |
1128 | ||
af5e4ada | 1129 | # If we have gas in the build tree, make a link to it. |
75bffa71 | 1130 | if test -f ../gas/Makefile; then |
6e26218f | 1131 | rm -f as; $symbolic_link ../gas/as-new$host_exeext as$host_exeext 2>/dev/null |
af5e4ada DE |
1132 | fi |
1133 | ||
4b95eb49 | 1134 | # If we have nm in the build tree, make a link to it. |
75bffa71 | 1135 | if test -f ../binutils/Makefile; then |
4b95eb49 JL |
1136 | rm -f nm; $symbolic_link ../binutils/nm-new$host_exeext nm$host_exeext 2>/dev/null |
1137 | fi | |
1138 | ||
af5e4ada | 1139 | # If we have ld in the build tree, make a link to it. |
75bffa71 ILT |
1140 | if test -f ../ld/Makefile; then |
1141 | # if test x$use_collect2 = x; then | |
6e26218f | 1142 | # rm -f ld; $symbolic_link ../ld/ld-new$host_exeext ld$host_exeext 2>/dev/null |
aa32d841 | 1143 | # else |
6e26218f | 1144 | rm -f collect-ld; $symbolic_link ../ld/ld-new$host_exeext collect-ld$host_exeext 2>/dev/null |
aa32d841 | 1145 | # fi |
af5e4ada DE |
1146 | fi |
1147 | ||
981d4858 JM |
1148 | # Figure out what assembler we will be using. |
1149 | AC_MSG_CHECKING(what assembler to use) | |
9e423e6d | 1150 | gcc_cv_as= |
981d4858 JM |
1151 | gcc_cv_gas_major_version= |
1152 | gcc_cv_gas_minor_version= | |
a2f319ea | 1153 | gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/gas |
3ccc3a56 AO |
1154 | if test -x "$DEFAULT_ASSEMBLER"; then |
1155 | gcc_cv_as="$DEFAULT_ASSEMBLER" | |
1156 | elif test -x "$AS"; then | |
1157 | gcc_cv_as="$AS" | |
ab339d62 | 1158 | elif test -x as$host_exeext; then |
9e423e6d JW |
1159 | # Build using assembler in the current directory. |
1160 | gcc_cv_as=./as$host_exeext | |
5585c1bc | 1161 | elif test -f $gcc_cv_as_gas_srcdir/configure.in -a -f ../gas/Makefile; then |
9e423e6d | 1162 | # Single tree build which includes gas. |
a2c9d57c | 1163 | for f in $gcc_cv_as_gas_srcdir/configure $gcc_cv_as_gas_srcdir/configure.in $gcc_cv_as_gas_srcdir/Makefile.in |
9e423e6d | 1164 | do |
75bffa71 ILT |
1165 | changequote(,)dnl |
1166 | gcc_cv_gas_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f` | |
1167 | changequote([,])dnl | |
1168 | if test x$gcc_cv_gas_version != x; then | |
9e423e6d JW |
1169 | break |
1170 | fi | |
1171 | done | |
75bffa71 ILT |
1172 | changequote(,)dnl |
1173 | gcc_cv_gas_major_version=`expr "$gcc_cv_gas_version" : "VERSION=\([0-9]*\)"` | |
1174 | gcc_cv_gas_minor_version=`expr "$gcc_cv_gas_version" : "VERSION=[0-9]*\.\([0-9]*\)"` | |
1175 | changequote([,])dnl | |
981d4858 JM |
1176 | fi |
1177 | ||
1178 | if test "x$gcc_cv_as" = x -a x$host = x$target; then | |
9e423e6d | 1179 | # Native build. |
779243f7 JL |
1180 | # Search the same directories that the installed compiler will |
1181 | # search. Else we may find the wrong assembler and lose. If we | |
1182 | # do not find a suitable assembler binary, then try the user's | |
1183 | # path. | |
1184 | # | |
1185 | # Also note we have to check MD_EXEC_PREFIX before checking the | |
1186 | # user's path. Unfortunately, there is no good way to get at the | |
1187 | # value of MD_EXEC_PREFIX here. So we do a brute force search | |
1188 | # through all the known MD_EXEC_PREFIX values. Ugh. This needs | |
1189 | # to be fixed as part of the make/configure rewrite too. | |
1190 | ||
1191 | if test "x$exec_prefix" = xNONE; then | |
1192 | if test "x$prefix" = xNONE; then | |
1193 | test_prefix=/usr/local | |
1194 | else | |
1195 | test_prefix=$prefix | |
1196 | fi | |
1197 | else | |
1198 | test_prefix=$exec_prefix | |
1199 | fi | |
1200 | ||
1201 | # If the loop below does not find an assembler, then use whatever | |
1202 | # one we can find in the users's path. | |
1203 | # user's path. | |
16a0fe50 | 1204 | gcc_cv_as=as$host_exeext |
779243f7 JL |
1205 | |
1206 | test_dirs="$test_prefix/lib/gcc-lib/$target/$gcc_version \ | |
1207 | $test_prefix/lib/gcc-lib/$target \ | |
1208 | /usr/lib/gcc/$target/$gcc_version \ | |
1209 | /usr/lib/gcc/$target \ | |
1210 | $test_prefix/$target/bin/$target/$gcc_version \ | |
1211 | $test_prefix/$target/bin \ | |
1212 | /usr/libexec \ | |
1213 | /usr/ccs/gcc \ | |
1214 | /usr/ccs/bin \ | |
1215 | /udk/usr/ccs/bin \ | |
1216 | /bsd43/usr/lib/cmplrs/cc \ | |
1217 | /usr/cross64/usr/bin \ | |
1218 | /usr/lib/cmplrs/cc \ | |
1219 | /sysv/usr/lib/cmplrs/cc \ | |
1220 | /svr4/usr/lib/cmplrs/cc \ | |
1221 | /usr/bin" | |
1222 | ||
1223 | for dir in $test_dirs; do | |
1224 | if test -f $dir/as$host_exeext; then | |
1225 | gcc_cv_as=$dir/as$host_exeext | |
1226 | break; | |
1227 | fi | |
1228 | done | |
9e423e6d | 1229 | fi |
981d4858 JM |
1230 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then |
1231 | AC_MSG_RESULT("newly built gas") | |
1232 | else | |
1233 | AC_MSG_RESULT($gcc_cv_as) | |
1234 | fi | |
1235 | ||
1236 | # Figure out what nm we will be using. | |
1237 | AC_MSG_CHECKING(what nm to use) | |
1238 | if test -x nm$host_exeext; then | |
1239 | gcc_cv_nm=./nm$host_exeext | |
1240 | elif test x$host = x$target; then | |
1241 | # Native build. | |
1242 | gcc_cv_nm=nm$host_exeext | |
1243 | fi | |
1244 | AC_MSG_RESULT($gcc_cv_nm) | |
1245 | ||
1246 | # Figure out what assembler alignment features are present. | |
1247 | AC_MSG_CHECKING(assembler alignment features) | |
9d147085 | 1248 | gcc_cv_as_alignment_features=none |
981d4858 JM |
1249 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then |
1250 | # Gas version 2.6 and later support for .balign and .p2align. | |
1251 | # bytes to skip when using .p2align. | |
1252 | if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 6 -o "$gcc_cv_gas_major_version" -gt 2; then | |
1253 | gcc_cv_as_alignment_features=".balign and .p2align" | |
1254 | AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN) | |
1255 | fi | |
1256 | # Gas version 2.8 and later support specifying the maximum | |
1257 | # bytes to skip when using .p2align. | |
1258 | if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 8 -o "$gcc_cv_gas_major_version" -gt 2; then | |
1259 | gcc_cv_as_alignment_features=".p2align including maximum skip" | |
1260 | AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN) | |
1261 | fi | |
1262 | elif test x$gcc_cv_as != x; then | |
00ccc16d JL |
1263 | # Check if we have .balign and .p2align |
1264 | echo ".balign 4" > conftest.s | |
1265 | echo ".p2align 2" >> conftest.s | |
1266 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
1267 | gcc_cv_as_alignment_features=".balign and .p2align" | |
1268 | AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN) | |
1269 | fi | |
1270 | rm -f conftest.s conftest.o | |
9e423e6d JW |
1271 | # Check if specifying the maximum bytes to skip when |
1272 | # using .p2align is supported. | |
1273 | echo ".p2align 4,,7" > conftest.s | |
1274 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
1275 | gcc_cv_as_alignment_features=".p2align including maximum skip" | |
1276 | AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN) | |
1277 | fi | |
1278 | rm -f conftest.s conftest.o | |
1279 | fi | |
1280 | AC_MSG_RESULT($gcc_cv_as_alignment_features) | |
1281 | ||
d1accaa3 | 1282 | AC_MSG_CHECKING(assembler subsection support) |
9d147085 | 1283 | gcc_cv_as_subsections=no |
981d4858 JM |
1284 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then |
1285 | if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then | |
1286 | gcc_cv_as_subsections="working .subsection -1" | |
1287 | fi | |
1288 | elif test x$gcc_cv_as != x; then | |
d1accaa3 JJ |
1289 | # Check if we have .subsection |
1290 | echo ".subsection 1" > conftest.s | |
1291 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
1292 | gcc_cv_as_subsections=".subsection" | |
d1accaa3 JJ |
1293 | if test x$gcc_cv_nm != x; then |
1294 | cat > conftest.s <<EOF | |
1295 | conftest_label1: .word 0 | |
1296 | .subsection -1 | |
1297 | conftest_label2: .word 0 | |
1298 | .previous | |
1299 | EOF | |
1300 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
1301 | $gcc_cv_nm conftest.o | grep conftest_label1 > conftest.nm1 | |
1302 | $gcc_cv_nm conftest.o | grep conftest_label2 | sed -e 's/label2/label1/' > conftest.nm2 | |
1b015bec AO |
1303 | if cmp conftest.nm1 conftest.nm2 > /dev/null 2>&1; then |
1304 | : | |
1305 | else | |
d1accaa3 | 1306 | gcc_cv_as_subsections="working .subsection -1" |
d1accaa3 JJ |
1307 | fi |
1308 | fi | |
1309 | fi | |
1310 | fi | |
1311 | rm -f conftest.s conftest.o conftest.nm1 conftest.nm2 | |
1312 | fi | |
981d4858 JM |
1313 | if test x"$gcc_cv_as_subsections" = x"working .subsection -1"; then |
1314 | AC_DEFINE(HAVE_GAS_SUBSECTION_ORDERING, 1, | |
1315 | [Define if your assembler supports .subsection and .subsection -1 starts | |
1316 | emitting at the beginning of your section.]) | |
1317 | fi | |
d1accaa3 JJ |
1318 | AC_MSG_RESULT($gcc_cv_as_subsections) |
1319 | ||
12822146 | 1320 | AC_MSG_CHECKING(assembler weak support) |
9d147085 | 1321 | gcc_cv_as_weak=no |
981d4858 JM |
1322 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then |
1323 | if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 2 -o "$gcc_cv_gas_major_version" -gt 2; then | |
1324 | gcc_cv_as_weak="yes" | |
1325 | fi | |
1326 | elif test x$gcc_cv_as != x; then | |
12822146 JL |
1327 | # Check if we have .weak |
1328 | echo " .weak foobar" > conftest.s | |
1329 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
12822146 JL |
1330 | gcc_cv_as_weak="yes" |
1331 | fi | |
1332 | rm -f conftest.s conftest.o conftest.nm1 conftest.nm2 | |
1333 | fi | |
981d4858 JM |
1334 | if test x"$gcc_cv_as_weak" = xyes; then |
1335 | AC_DEFINE(HAVE_GAS_WEAK, 1, [Define if your assembler supports .weak.]) | |
1336 | fi | |
12822146 JL |
1337 | AC_MSG_RESULT($gcc_cv_as_weak) |
1338 | ||
6a9c5260 | 1339 | AC_MSG_CHECKING(assembler hidden support) |
9d147085 | 1340 | gcc_cv_as_hidden=no |
981d4858 JM |
1341 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then |
1342 | if test "$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 | |
1343 | gcc_cv_as_hidden="yes" | |
1344 | fi | |
1345 | elif test x$gcc_cv_as != x; then | |
6a9c5260 UD |
1346 | # Check if we have .hidden |
1347 | echo " .hidden foobar" > conftest.s | |
1348 | echo "foobar:" >> conftest.s | |
1349 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
6a9c5260 UD |
1350 | gcc_cv_as_hidden="yes" |
1351 | fi | |
1352 | rm -f conftest.s conftest.o conftest.nm1 conftest.nm2 | |
1353 | fi | |
981d4858 JM |
1354 | if test x"$gcc_cv_as_hidden" = xyes; then |
1355 | AC_DEFINE(HAVE_GAS_HIDDEN, 1, | |
1356 | [Define if your assembler supports .hidden.]) | |
1357 | fi | |
6a9c5260 UD |
1358 | AC_MSG_RESULT($gcc_cv_as_hidden) |
1359 | ||
b7460f24 | 1360 | AC_MSG_CHECKING(assembler leb128 support) |
fbe42b1b | 1361 | gcc_cv_as_leb128=no |
b7460f24 | 1362 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then |
fbe42b1b | 1363 | if test "$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 |
1364 | gcc_cv_as_leb128="yes" |
1365 | fi | |
1366 | elif test x$gcc_cv_as != x; then | |
1367 | # Check if we have .[us]leb128, and support symbol arithmetic with it. | |
1368 | cat > conftest.s <<EOF | |
1369 | .data | |
1370 | .uleb128 L2 - L1 | |
1371 | L1: | |
1372 | .uleb128 1280 | |
1373 | .sleb128 -1010 | |
1374 | L2: | |
1375 | EOF | |
1376 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
78e766a0 RH |
1377 | gcc_cv_as_leb128="yes" |
1378 | ||
1379 | # GAS versions before 2.11 do not support uleb128, | |
1380 | # despite appearing to. | |
1381 | # ??? There exists an elf-specific test that will crash | |
1382 | # the assembler. Perhaps it's better to figure out whether | |
1383 | # arbitrary sections are supported and try the test. | |
1384 | as_ver=`$gcc_cv_as --version 2>/dev/null | head -1` | |
1385 | if echo "$as_ver" | grep GNU > /dev/null; then | |
1386 | as_ver=`echo $as_ver | sed -e 's/.* //'` | |
1387 | as_major=`echo $as_ver | sed 's/\..*//'` | |
1388 | changequote(,)dnl | |
3d399d67 | 1389 | as_minor=`echo $as_ver | sed 's/[^.]*\.\([0-9]*\).*/\1/'` |
78e766a0 RH |
1390 | changequote([,])dnl |
1391 | if test $as_major -eq 2 -a $as_minor -lt 11; then | |
1392 | gcc_cv_as_leb128="no" | |
1393 | fi | |
fbe42b1b | 1394 | fi |
b7460f24 RH |
1395 | fi |
1396 | rm -f conftest.s conftest.o conftest.nm1 conftest.nm2 | |
1397 | fi | |
1398 | if test x"$gcc_cv_as_leb128" = xyes; then | |
1399 | AC_DEFINE(HAVE_AS_LEB128, 1, | |
1400 | [Define if your assembler supports .uleb128.]) | |
1401 | fi | |
1402 | AC_MSG_RESULT($gcc_cv_as_leb128) | |
1403 | ||
1cb36a98 RH |
1404 | case "$target" in |
1405 | sparc*-*-*) | |
5b68c389 AO |
1406 | AC_CACHE_CHECK([assembler .register pseudo-op support], |
1407 | gcc_cv_as_register_pseudo_op, [ | |
1408 | gcc_cv_as_register_pseudo_op=unknown | |
1409 | if test x$gcc_cv_as != x; then | |
1410 | # Check if we have .register | |
1411 | echo ".register %g2, #scratch" > conftest.s | |
1412 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
1cb36a98 | 1413 | gcc_cv_as_register_pseudo_op=yes |
5b68c389 AO |
1414 | else |
1415 | gcc_cv_as_register_pseudo_op=no | |
1416 | fi | |
1417 | rm -f conftest.s conftest.o | |
1cb36a98 | 1418 | fi |
5b68c389 AO |
1419 | ]) |
1420 | if test "x$gcc_cv_as_register_pseudo_op" = xyes; then | |
119d24d1 KG |
1421 | AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1, |
1422 | [Define if your assembler supports .register.]) | |
1cb36a98 | 1423 | fi |
1cb36a98 | 1424 | |
e95b1e6a JJ |
1425 | AC_CACHE_CHECK([assembler supports -relax], |
1426 | gcc_cv_as_relax_opt, [ | |
1427 | gcc_cv_as_relax_opt=unknown | |
1428 | if test x$gcc_cv_as != x; then | |
1429 | # Check if gas supports -relax | |
1430 | echo ".text" > conftest.s | |
1431 | if $gcc_cv_as -relax -o conftest.o conftest.s > /dev/null 2>&1; then | |
1432 | gcc_cv_as_relax_opt=yes | |
1433 | else | |
1434 | gcc_cv_as_relax_opt=no | |
1435 | fi | |
1436 | rm -f conftest.s conftest.o | |
1437 | fi | |
1438 | ]) | |
1439 | if test "x$gcc_cv_as_relax_opt" = xyes; then | |
1440 | AC_DEFINE(HAVE_AS_RELAX_OPTION, 1, | |
1441 | [Define if your assembler supports -relax option.]) | |
1442 | fi | |
1443 | ||
5b68c389 AO |
1444 | case "$tm_file" in |
1445 | *64*) | |
1446 | AC_CACHE_CHECK([for 64 bit support in assembler ($gcc_cv_as)], | |
1447 | gcc_cv_as_flags64, [ | |
1448 | if test -n "$gcc_cv_as"; then | |
1449 | echo ".xword foo" > conftest.s | |
1450 | gcc_cv_as_flags64=no | |
8a90b95d | 1451 | for flag in "-xarch=v9" "-64 -Av9"; do |
5b68c389 AO |
1452 | if $gcc_cv_as $flag -o conftest.o conftest.s \ |
1453 | > /dev/null 2>&1; then | |
1454 | gcc_cv_as_flags64=$flag | |
1455 | break | |
1456 | fi | |
1457 | done | |
1458 | rm -f conftest.s conftest.o | |
1459 | else | |
1460 | if test "$gas" = yes; then | |
1461 | gcc_cv_as_flags64="-64 -Av9" | |
1462 | else | |
1463 | gcc_cv_as_flags64="-xarch=v9" | |
1464 | fi | |
1cb36a98 | 1465 | fi |
5b68c389 AO |
1466 | ]) |
1467 | if test "x$gcc_cv_as_flags64" = xno; then | |
1468 | changequote(, ) | |
1469 | tmake_file=`echo " $tmake_file " | sed -e 's, sparc/t-sol2-64 , ,' -e 's,^ ,,' -e 's, $,,'` | |
1470 | dep_tmake_file=`echo " $dep_tmake_file " | sed -e 's, [^ ]*/config/sparc/t-sol2-64 , ,' -e 's,^ ,,' -e 's, $,,'` | |
1471 | changequote([, ]) | |
1472 | else | |
119d24d1 KG |
1473 | AC_DEFINE_UNQUOTED(AS_SPARC64_FLAG, "$gcc_cv_as_flags64", |
1474 | [Define if the assembler supports 64bit sparc.]) | |
1cb36a98 | 1475 | fi |
5b68c389 AO |
1476 | ;; |
1477 | *) gcc_cv_as_flags64=${gcc_cv_as_flags64-no} | |
1478 | ;; | |
1479 | esac | |
1480 | ||
1481 | if test "x$gcc_cv_as_flags64" != xno; then | |
1482 | AC_CACHE_CHECK([for assembler offsetable %lo() support], | |
1483 | gcc_cv_as_offsetable_lo10, [ | |
1484 | gcc_cv_as_offsetable_lo10=unknown | |
1485 | if test "x$gcc_cv_as" != x; then | |
1486 | # Check if assembler has offsetable %lo() | |
1487 | echo "or %g1, %lo(ab) + 12, %g1" > conftest.s | |
1488 | echo "or %g1, %lo(ab + 12), %g1" > conftest1.s | |
1489 | if $gcc_cv_as $gcc_cv_as_flags64 -o conftest.o conftest.s \ | |
1490 | > /dev/null 2>&1 && | |
1491 | $gcc_cv_as $gcc_cv_as_flags64 -o conftest1.o conftest1.s \ | |
1492 | > /dev/null 2>&1; then | |
1493 | if cmp conftest.o conftest1.o > /dev/null 2>&1; then | |
1494 | gcc_cv_as_offsetable_lo10=no | |
1495 | else | |
1496 | gcc_cv_as_offsetable_lo10=yes | |
1497 | fi | |
1498 | else | |
1499 | gcc_cv_as_offsetable_lo10=no | |
1cb36a98 | 1500 | fi |
5b68c389 AO |
1501 | rm -f conftest.s conftest.o conftest1.s conftest1.o |
1502 | fi | |
1503 | ]) | |
1504 | if test "x$gcc_cv_as_offsetable_lo10" = xyes; then | |
119d24d1 KG |
1505 | AC_DEFINE(HAVE_AS_OFFSETABLE_LO10, 1, |
1506 | [Define if your assembler supports offsetable %lo().]) | |
1cb36a98 | 1507 | fi |
1cb36a98 | 1508 | fi |
1cb36a98 RH |
1509 | ;; |
1510 | ||
1511 | changequote(,)dnl | |
1512 | i[34567]86-*-*) | |
1513 | changequote([,])dnl | |
1514 | AC_MSG_CHECKING(assembler instructions) | |
1515 | gcc_cv_as_instructions= | |
981d4858 JM |
1516 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then |
1517 | if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2; then | |
1518 | gcc_cv_as_instructions="filds fists" | |
1519 | fi | |
1520 | elif test x$gcc_cv_as != x; then | |
53b5ce19 JW |
1521 | set "filds fists" "filds mem; fists mem" |
1522 | while test $# -gt 0 | |
1523 | do | |
1524 | echo "$2" > conftest.s | |
1525 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
1526 | gcc_cv_as_instructions=${gcc_cv_as_instructions}$1" " | |
53b5ce19 JW |
1527 | fi |
1528 | shift 2 | |
1529 | done | |
1530 | rm -f conftest.s conftest.o | |
1cb36a98 | 1531 | fi |
981d4858 | 1532 | if test x"$gcc_cv_as_instructions" != x; then |
ee7692d2 | 1533 | AC_DEFINE_UNQUOTED(HAVE_GAS_`echo "$gcc_cv_as_instructions" | sed -e 's/ $//' | tr '[a-z ]' '[A-Z_]'`) |
981d4858 | 1534 | fi |
1cb36a98 RH |
1535 | AC_MSG_RESULT($gcc_cv_as_instructions) |
1536 | ;; | |
1537 | esac | |
53b5ce19 | 1538 | |
9d147085 RH |
1539 | AC_MSG_CHECKING(assembler dwarf2 debug_line support) |
1540 | gcc_cv_as_dwarf2_debug_line=no | |
1541 | # ??? Not all targets support dwarf2 debug_line, even within a version | |
1542 | # of gas. Moreover, we need to emit a valid instruction to trigger any | |
1543 | # info to the output file. So, as supported targets are added to gas 2.11, | |
1544 | # add some instruction here to (also) show we expect this might work. | |
1545 | # ??? Once 2.11 is released, probably need to add first known working | |
1546 | # version to the per-target configury. | |
1547 | case "$target" in | |
e6978109 | 1548 | i?86*-*-* | mips*-*-* | alpha*-*-* | powerpc*-*-* | sparc*-*-*) |
9d147085 RH |
1549 | insn="nop" |
1550 | ;; | |
1551 | ia64*-*-*) | |
1552 | insn="nop 0" | |
1553 | ;; | |
1554 | esac | |
1555 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; | |
1556 | then | |
1557 | if test "$gcc_cv_gas_major_version" -eq 2 \ | |
1558 | -a "$gcc_cv_gas_minor_version" -ge 11 \ | |
1559 | -o "$gcc_cv_gas_major_version" -gt 2 \ | |
1560 | && grep 'obj_format = elf' ../gas/Makefile > /dev/null \ | |
1561 | && test x"$insn" != x ; then | |
1562 | gcc_cv_as_dwarf2_debug_line="yes" | |
1563 | fi | |
1564 | elif test x$gcc_cv_as != x -a x"$insn" != x ; then | |
acc187f5 RH |
1565 | echo ' .file 1 "conftest.s"' > conftest.s |
1566 | echo ' .loc 1 3 0' >> conftest.s | |
9d147085 | 1567 | echo " $insn" >> conftest.s |
981975b6 | 1568 | # ??? This fails with non-gnu grep. |
9d147085 RH |
1569 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \ |
1570 | && grep debug_line conftest.o > /dev/null 2>&1 ; then | |
981975b6 RH |
1571 | # The .debug_line file table must be in the exact order that |
1572 | # we specified the files, since these indicies are also used | |
1573 | # by DW_AT_decl_file. Approximate this test by testing if | |
1574 | # the assembler bitches if the same index is assigned twice. | |
1575 | echo ' .file 1 "foo.s"' > conftest.s | |
1576 | echo ' .file 1 "bar.s"' >> conftest.s | |
1577 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 | |
1578 | then | |
1579 | gcc_cv_as_dwarf2_debug_line="no" | |
1580 | else | |
1581 | gcc_cv_as_dwarf2_debug_line="yes" | |
1582 | fi | |
9d147085 RH |
1583 | fi |
1584 | rm -f conftest.s conftest.o conftest.nm1 conftest.nm2 | |
1585 | fi | |
1586 | if test x"$gcc_cv_as_dwarf2_debug_line" = xyes; then | |
1587 | AC_DEFINE(HAVE_AS_DWARF2_DEBUG_LINE, 1, | |
981975b6 RH |
1588 | [Define if your assembler supports dwarf2 .file/.loc directives, |
1589 | and preserves file table indicies exactly as given.]) | |
9d147085 RH |
1590 | fi |
1591 | AC_MSG_RESULT($gcc_cv_as_dwarf2_debug_line) | |
1592 | ||
571a8de5 | 1593 | # Figure out what language subdirectories are present. |
71205e0b MH |
1594 | # Look if the user specified --enable-languages="..."; if not, use |
1595 | # the environment variable $LANGUAGES if defined. $LANGUAGES might | |
1596 | # go away some day. | |
1597 | if test x"${enable_languages+set}" != xset; then | |
1598 | if test x"${LANGUAGES+set}" = xset; then | |
1599 | enable_languages="`echo ${LANGUAGES} | tr ' ' ','`" | |
1600 | else | |
1601 | enable_languages=all | |
1602 | fi | |
d6c6b553 PE |
1603 | else |
1604 | if test x"${enable_languages}" = x; then | |
1605 | AC_MSG_ERROR([--enable-languages needs at least one argument]) | |
1606 | fi | |
71205e0b | 1607 | fi |
75382c6d TT |
1608 | |
1609 | # First scan to see if an enabled language requires some other language. | |
1610 | # We assume that a given config-lang.in will list all the language | |
1611 | # front ends it requires, even if some are required indirectly. | |
1612 | for lang in ${srcdir}/*/config-lang.in .. | |
1613 | do | |
1614 | case $lang in | |
1615 | ..) | |
1616 | ;; | |
1617 | # The odd quoting in the next line works around | |
1618 | # an apparent bug in bash 1.12 on linux. | |
1619 | changequote(,)dnl | |
1620 | ${srcdir}/[*]/config-lang.in) | |
1621 | ;; | |
1622 | *) | |
1623 | lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang` | |
1624 | this_lang_requires=`sed -n -e 's,^lang_requires=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^lang_requires=\([^ ]*\).*$,\1,p' $lang` | |
1625 | for other in $this_lang_requires | |
1626 | do | |
1627 | case ,${enable_languages}, in | |
1628 | *,$other,*) | |
1629 | ;; | |
1630 | *,all,*) | |
1631 | ;; | |
1bf17cc4 | 1632 | *,$lang_alias,*) |
75382c6d TT |
1633 | enable_languages="$enable_languages,$other" |
1634 | ;; | |
1635 | esac | |
1636 | done | |
1637 | ;; | |
1638 | changequote([,])dnl | |
1639 | esac | |
1640 | done | |
1641 | ||
571a8de5 DE |
1642 | subdirs= |
1643 | for lang in ${srcdir}/*/config-lang.in .. | |
1644 | do | |
1645 | case $lang in | |
1646 | ..) ;; | |
1647 | # The odd quoting in the next line works around | |
1648 | # an apparent bug in bash 1.12 on linux. | |
75bffa71 ILT |
1649 | changequote(,)dnl |
1650 | ${srcdir}/[*]/config-lang.in) ;; | |
71205e0b MH |
1651 | *) |
1652 | lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang` | |
2b60b2cb AO |
1653 | this_lang_libs=`sed -n -e 's,^target_libs=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^target_libs=\([^ ]*\).*$,\1,p' $lang` |
1654 | build_by_default=`sed -n -e 's,^build_by_default=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^build_by_default=\([^ ]*\).*$,\1,p' $lang` | |
71205e0b MH |
1655 | if test "x$lang_alias" = x |
1656 | then | |
1657 | echo "$lang doesn't set \$language." 1>&2 | |
1658 | exit 1 | |
1659 | fi | |
2b60b2cb AO |
1660 | case ${build_by_default},${enable_languages}, in |
1661 | *,$lang_alias,*) add_this_lang=yes ;; | |
1662 | no,*) add_this_lang=no ;; | |
1663 | *,all,*) add_this_lang=yes ;; | |
1664 | *) add_this_lang=no ;; | |
1665 | esac | |
71205e0b MH |
1666 | if test x"${add_this_lang}" = xyes; then |
1667 | case $lang in | |
1668 | ${srcdir}/ada/config-lang.in) | |
1ffc5c6e | 1669 | if test x$have_gnat = xyes ; then |
71205e0b MH |
1670 | subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`" |
1671 | fi | |
1672 | ;; | |
1673 | *) | |
1674 | subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`" | |
1675 | ;; | |
1676 | esac | |
1677 | fi | |
1678 | ;; | |
75bffa71 | 1679 | changequote([,])dnl |
571a8de5 DE |
1680 | esac |
1681 | done | |
1682 | ||
f24af81b TT |
1683 | # Make gthr-default.h if we have a thread file. |
1684 | gthread_flags= | |
75bffa71 | 1685 | if test $thread_file != single; then |
f24af81b | 1686 | rm -f gthr-default.h |
db0d1ed9 | 1687 | echo "#include \"gthr-${thread_file}.h\"" > gthr-default.h |
f24af81b TT |
1688 | gthread_flags=-DHAVE_GTHR_DEFAULT |
1689 | fi | |
1690 | AC_SUBST(gthread_flags) | |
1691 | ||
81bf3d9e RH |
1692 | # Find out what GC implementation we want, or may, use. |
1693 | AC_ARG_WITH(gc, | |
1694 | [ --with-gc={simple,page} Choose the garbage collection mechanism to use | |
1695 | with the compiler.], | |
1696 | [case "$withval" in | |
1697 | simple | page) | |
1698 | GGC=ggc-$withval | |
1699 | ;; | |
1700 | *) | |
1701 | AC_MSG_ERROR([$withval is an invalid option to --with-gc]) | |
1702 | ;; | |
1703 | esac], | |
130fadbb | 1704 | [GGC=ggc-page]) |
81bf3d9e RH |
1705 | AC_SUBST(GGC) |
1706 | echo "Using $GGC for garbage collection." | |
1707 | ||
3c809ba4 | 1708 | # Use the system's zlib library. |
b8dad04b ZW |
1709 | zlibdir=-L../zlib |
1710 | zlibinc="-I\$(srcdir)/../zlib" | |
3c809ba4 AG |
1711 | AC_ARG_WITH(system-zlib, |
1712 | [ --with-system-zlib use installed libz], | |
1713 | zlibdir= | |
1714 | zlibinc= | |
1715 | ) | |
1716 | AC_SUBST(zlibdir) | |
1717 | AC_SUBST(zlibinc) | |
1718 | ||
dc6746e7 PT |
1719 | dnl Very limited version of automake's enable-maintainer-mode |
1720 | ||
1721 | AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) | |
1722 | dnl maintainer-mode is disabled by default | |
1723 | AC_ARG_ENABLE(maintainer-mode, | |
1724 | [ --enable-maintainer-mode enable make rules and dependencies not useful | |
1725 | (and sometimes confusing) to the casual installer], | |
1726 | maintainer_mode=$enableval, | |
1727 | maintainer_mode=no) | |
1728 | ||
1729 | AC_MSG_RESULT($maintainer_mode) | |
1730 | ||
1731 | if test "$maintainer_mode" = "yes"; then | |
1732 | MAINT='' | |
1733 | else | |
1734 | MAINT='#' | |
1735 | fi | |
1736 | AC_SUBST(MAINT)dnl | |
1737 | ||
531073e7 RH |
1738 | # With Setjmp/Longjmp based exception handling. |
1739 | AC_ARG_ENABLE(sjlj-exceptions, | |
1740 | [ --enable-sjlj-exceptions arrange to use setjmp/longjmp exception handling.], | |
1741 | [sjlj=`if test $enableval = yes; then echo 1; else echo 0; fi` | |
1742 | AC_DEFINE_UNQUOTED(CONFIG_SJLJ_EXCEPTIONS, $sjlj, | |
1743 | [Define 0/1 to force the choice for exception handling model.])]) | |
1744 | ||
571a8de5 DE |
1745 | # Make empty files to contain the specs and options for each language. |
1746 | # Then add #include lines to for a compiler that has specs and/or options. | |
1747 | ||
1748 | lang_specs_files= | |
1749 | lang_options_files= | |
3103b7db ML |
1750 | lang_tree_files= |
1751 | rm -f specs.h options.h gencheck.h | |
1752 | touch specs.h options.h gencheck.h | |
571a8de5 DE |
1753 | for subdir in . $subdirs |
1754 | do | |
75bffa71 | 1755 | if test -f $srcdir/$subdir/lang-specs.h; then |
571a8de5 DE |
1756 | echo "#include \"$subdir/lang-specs.h\"" >>specs.h |
1757 | lang_specs_files="$lang_specs_files $srcdir/$subdir/lang-specs.h" | |
1758 | fi | |
75bffa71 | 1759 | if test -f $srcdir/$subdir/lang-options.h; then |
571a8de5 DE |
1760 | echo "#include \"$subdir/lang-options.h\"" >>options.h |
1761 | lang_options_files="$lang_options_files $srcdir/$subdir/lang-options.h" | |
1762 | fi | |
3103b7db ML |
1763 | if test -f $srcdir/$subdir/$subdir-tree.def; then |
1764 | echo "#include \"$subdir/$subdir-tree.def\"" >>gencheck.h | |
1765 | lang_tree_files="$lang_tree_files $srcdir/$subdir/$subdir-tree.def" | |
1766 | fi | |
571a8de5 DE |
1767 | done |
1768 | ||
1769 | # These (without "all_") are set in each config-lang.in. | |
1770 | # `language' must be a single word so is spelled singularly. | |
1771 | all_languages= | |
1772 | all_boot_languages= | |
1773 | all_compilers= | |
1774 | all_stagestuff= | |
1775 | all_diff_excludes= | |
3ec83fc2 | 1776 | all_outputs='Makefile intl/Makefile po/Makefile.in fixinc/Makefile gccbug mklibgcc' |
571a8de5 DE |
1777 | # List of language makefile fragments. |
1778 | all_lang_makefiles= | |
1779 | all_headers= | |
1780 | all_lib2funcs= | |
1781 | ||
1782 | # Add the language fragments. | |
1783 | # Languages are added via two mechanisms. Some information must be | |
1784 | # recorded in makefile variables, these are defined in config-lang.in. | |
1785 | # We accumulate them and plug them into the main Makefile. | |
1786 | # The other mechanism is a set of hooks for each of the main targets | |
1787 | # like `clean', `install', etc. | |
1788 | ||
1789 | language_fragments="Make-lang" | |
1790 | language_hooks="Make-hooks" | |
1791 | ||
1792 | for s in .. $subdirs | |
1793 | do | |
75bffa71 | 1794 | if test $s != ".." |
571a8de5 DE |
1795 | then |
1796 | language= | |
1797 | boot_language= | |
1798 | compilers= | |
1799 | stagestuff= | |
1800 | diff_excludes= | |
1801 | headers= | |
0280cf84 | 1802 | outputs= |
571a8de5 DE |
1803 | lib2funcs= |
1804 | . ${srcdir}/$s/config-lang.in | |
75bffa71 | 1805 | if test "x$language" = x |
571a8de5 DE |
1806 | then |
1807 | echo "${srcdir}/$s/config-lang.in doesn't set \$language." 1>&2 | |
1808 | exit 1 | |
1809 | fi | |
72aaffbd ZW |
1810 | all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Make-lang.in" |
1811 | if test -f ${srcdir}/$s/Makefile.in | |
1812 | then all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Makefile.in" | |
1813 | fi | |
571a8de5 | 1814 | all_languages="$all_languages $language" |
75bffa71 | 1815 | if test "x$boot_language" = xyes |
571a8de5 DE |
1816 | then |
1817 | all_boot_languages="$all_boot_languages $language" | |
1818 | fi | |
1819 | all_compilers="$all_compilers $compilers" | |
1820 | all_stagestuff="$all_stagestuff $stagestuff" | |
1821 | all_diff_excludes="$all_diff_excludes $diff_excludes" | |
1822 | all_headers="$all_headers $headers" | |
0280cf84 | 1823 | all_outputs="$all_outputs $outputs" |
571a8de5 DE |
1824 | all_lib2funcs="$all_lib2funcs $lib2funcs" |
1825 | fi | |
1826 | done | |
1827 | ||
cbc59f01 DD |
1828 | check_languages= |
1829 | for language in .. $all_languages | |
1830 | do | |
1831 | if test $language != ".." | |
1832 | then | |
1833 | check_languages="$check_languages check-$language" | |
1834 | fi | |
1835 | done | |
1836 | ||
571a8de5 DE |
1837 | # Since we can't use `::' targets, we link each language in |
1838 | # with a set of hooks, reached indirectly via lang.${target}. | |
1839 | ||
1840 | rm -f Make-hooks | |
1841 | touch Make-hooks | |
1842 | target_list="all.build all.cross start.encap rest.encap \ | |
1843 | info dvi \ | |
1844 | install-normal install-common install-info install-man \ | |
436a88a6 | 1845 | uninstall \ |
571a8de5 DE |
1846 | mostlyclean clean distclean extraclean maintainer-clean \ |
1847 | stage1 stage2 stage3 stage4" | |
1848 | for t in $target_list | |
1849 | do | |
1850 | x= | |
ab87f8c8 | 1851 | for lang in .. $all_languages |
571a8de5 | 1852 | do |
ab87f8c8 JL |
1853 | if test $lang != ".."; then |
1854 | x="$x $lang.$t" | |
571a8de5 DE |
1855 | fi |
1856 | done | |
1857 | echo "lang.$t: $x" >> Make-hooks | |
1858 | done | |
1859 | ||
cc06d68c | 1860 | # Create .gdbinit. |
296e46bd | 1861 | |
cc06d68c GP |
1862 | echo "dir ." > .gdbinit |
1863 | echo "dir ${srcdir}" >> .gdbinit | |
1864 | if test x$gdb_needs_out_file_path = xyes | |
1865 | then | |
1866 | echo "dir ${srcdir}/config/"`dirname ${out_file}` >> .gdbinit | |
1867 | fi | |
1868 | if test "x$subdirs" != x; then | |
1869 | for s in $subdirs | |
1870 | do | |
1871 | echo "dir ${srcdir}/$s" >> .gdbinit | |
1872 | done | |
296e46bd | 1873 | fi |
cc06d68c | 1874 | echo "source ${srcdir}/gdbinit.in" >> .gdbinit |
296e46bd | 1875 | |
88111b26 JL |
1876 | # Define variables host_canonical and build_canonical |
1877 | # because some Cygnus local changes in the Makefile depend on them. | |
1878 | build_canonical=${build} | |
1879 | host_canonical=${host} | |
1880 | target_subdir= | |
75bffa71 | 1881 | if test "${host}" != "${target}" ; then |
924c96eb | 1882 | target_subdir=${target_alias}/ |
88111b26 JL |
1883 | fi |
1884 | AC_SUBST(build_canonical) | |
1885 | AC_SUBST(host_canonical) | |
1886 | AC_SUBST(target_subdir) | |
1887 | ||
8f8d3278 NC |
1888 | # If $(exec_prefix) exists and is not the same as $(prefix), then compute an |
1889 | # absolute path for gcc_tooldir based on inserting the number of up-directory | |
1890 | # movements required to get from $(exec_prefix) to $(prefix) into the basic | |
1891 | # $(libsubdir)/@(unlibsubdir) based path. | |
82cbf8f7 JL |
1892 | # Don't set gcc_tooldir to tooldir since that's only passed in by the toplevel |
1893 | # make and thus we'd get different behavior depending on where we built the | |
1894 | # sources. | |
5949a9fc | 1895 | if test x$exec_prefix = xNONE -o x$exec_prefix = x$prefix; then |
d062c304 JL |
1896 | gcc_tooldir='$(libsubdir)/$(unlibsubdir)/../$(target_alias)' |
1897 | else | |
8f8d3278 NC |
1898 | changequote(<<, >>)dnl |
1899 | # An explanation of the sed strings: | |
1900 | # -e 's|^\$(prefix)||' matches and eliminates 'prefix' from 'exec_prefix' | |
1901 | # -e 's|/$||' match a trailing forward slash and eliminates it | |
1902 | # -e 's|^[^/]|/|' forces the string to start with a forward slash (*) | |
1903 | # -e 's|/[^/]*|../|g' replaces each occurance of /<directory> with ../ | |
1904 | # | |
1905 | # (*) Note this pattern overwrites the first character of the string | |
1906 | # with a forward slash if one is not already present. This is not a | |
1907 | # problem because the exact names of the sub-directories concerned is | |
1908 | # unimportant, just the number of them matters. | |
1909 | # | |
1910 | # The practical upshot of these patterns is like this: | |
1911 | # | |
1912 | # prefix exec_prefix result | |
1913 | # ------ ----------- ------ | |
1914 | # /foo /foo/bar ../ | |
1915 | # /foo/ /foo/bar ../ | |
1916 | # /foo /foo/bar/ ../ | |
1917 | # /foo/ /foo/bar/ ../ | |
1918 | # /foo /foo/bar/ugg ../../ | |
1919 | # | |
4c112cda NC |
1920 | dollar='$$' |
1921 | gcc_tooldir="\$(libsubdir)/\$(unlibsubdir)/\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/\$(dollar)||' -e 's|^[^/]|/|' -e 's|/[^/]*|../|g'\`\$(target_alias)" | |
8f8d3278 | 1922 | changequote([, ])dnl |
d062c304 JL |
1923 | fi |
1924 | AC_SUBST(gcc_tooldir) | |
4c112cda | 1925 | AC_SUBST(dollar) |
d062c304 | 1926 | |
2bbea3a6 RH |
1927 | # Find a directory in which to install a shared libgcc. |
1928 | ||
1929 | AC_ARG_ENABLE(version-specific-runtime-libs, | |
1930 | [ --enable-version-specific-runtime-libs Specify that runtime libraries shou | |
1931 | ld be installed in a compiler-specific directory ]) | |
1932 | ||
5b15f277 RH |
1933 | AC_ARG_WITH(slibdir, |
1934 | [ --with-slibdir=DIR shared libraries in DIR [LIBDIR]], | |
1935 | slibdir="$with_slibdir", | |
1936 | if test "${enable_version_specific_runtime_libs+set}" = set; then | |
2bbea3a6 | 1937 | slibdir='$(libsubdir)' |
5b15f277 | 1938 | elif test "$host" != "$target"; then |
2bbea3a6 RH |
1939 | slibdir='$(build_tooldir)/lib' |
1940 | else | |
5b15f277 RH |
1941 | slibdir='$(libdir)' |
1942 | fi) | |
2bbea3a6 RH |
1943 | AC_SUBST(slibdir) |
1944 | ||
7e717196 JL |
1945 | # Nothing to do for FLOAT_H, float_format already handled. |
1946 | objdir=`pwd` | |
1947 | AC_SUBST(objdir) | |
1948 | ||
94f42018 DE |
1949 | # Process the language and host/target makefile fragments. |
1950 | ${CONFIG_SHELL-/bin/sh} $srcdir/configure.frag $srcdir "$subdirs" "$dep_host_xmake_file" "$dep_tmake_file" | |
47866ac0 | 1951 | |
46f18e7b RK |
1952 | # Substitute configuration variables |
1953 | AC_SUBST(subdirs) | |
46f18e7b RK |
1954 | AC_SUBST(all_boot_languages) |
1955 | AC_SUBST(all_compilers) | |
46f18e7b | 1956 | AC_SUBST(all_diff_excludes) |
46f18e7b | 1957 | AC_SUBST(all_headers) |
9f3d1bc2 BK |
1958 | AC_SUBST(all_lang_makefiles) |
1959 | AC_SUBST(all_languages) | |
1960 | AC_SUBST(all_lib2funcs) | |
1961 | AC_SUBST(all_stagestuff) | |
1962 | AC_SUBST(build_exeext) | |
1963 | AC_SUBST(build_install_headers_dir) | |
1964 | AC_SUBST(build_xm_file_list) | |
11642c3a ZW |
1965 | AC_SUBST(build_xm_file) |
1966 | AC_SUBST(build_xm_defines) | |
cbc59f01 | 1967 | AC_SUBST(check_languages) |
9f3d1bc2 | 1968 | AC_SUBST(cc_set_by_configure) |
5aa82ace | 1969 | AC_SUBST(quoted_cc_set_by_configure) |
9f3d1bc2 | 1970 | AC_SUBST(cpp_install_dir) |
9f3d1bc2 BK |
1971 | AC_SUBST(dep_host_xmake_file) |
1972 | AC_SUBST(dep_tmake_file) | |
1973 | AC_SUBST(extra_c_flags) | |
9f3d1bc2 | 1974 | AC_SUBST(extra_headers_list) |
46f18e7b | 1975 | AC_SUBST(extra_objs) |
9f3d1bc2 BK |
1976 | AC_SUBST(extra_parts) |
1977 | AC_SUBST(extra_passes) | |
1978 | AC_SUBST(extra_programs) | |
9f3d1bc2 | 1979 | AC_SUBST(float_h_file) |
cc1e60ea | 1980 | AC_SUBST(gcc_config_arguments) |
9f3d1bc2 | 1981 | AC_SUBST(gcc_gxx_include_dir) |
e2187d3b | 1982 | AC_SUBST(libstdcxx_incdir) |
9f3d1bc2 | 1983 | AC_SUBST(gcc_version) |
8763704d | 1984 | AC_SUBST(gcc_version_full) |
9f3d1bc2 BK |
1985 | AC_SUBST(gcc_version_trigger) |
1986 | AC_SUBST(host_exeext) | |
46f18e7b | 1987 | AC_SUBST(host_extra_gcc_objs) |
46f18e7b | 1988 | AC_SUBST(host_xm_file_list) |
11642c3a ZW |
1989 | AC_SUBST(host_xm_file) |
1990 | AC_SUBST(host_xm_defines) | |
9f3d1bc2 | 1991 | AC_SUBST(install) |
46f18e7b | 1992 | AC_SUBST(lang_options_files) |
9f3d1bc2 | 1993 | AC_SUBST(lang_specs_files) |
3103b7db | 1994 | AC_SUBST(lang_tree_files) |
46f18e7b | 1995 | AC_SUBST(local_prefix) |
46f18e7b | 1996 | AC_SUBST(maybe_use_collect2) |
9f3d1bc2 BK |
1997 | AC_SUBST(md_file) |
1998 | AC_SUBST(objc_boehm_gc) | |
1999 | AC_SUBST(out_file) | |
2000 | AC_SUBST(out_object_file) | |
46f18e7b | 2001 | AC_SUBST(stage_prefix_set_by_configure) |
e9a25f70 | 2002 | AC_SUBST(symbolic_link) |
9f3d1bc2 BK |
2003 | AC_SUBST(thread_file) |
2004 | AC_SUBST(tm_file_list) | |
11642c3a ZW |
2005 | AC_SUBST(tm_file) |
2006 | AC_SUBST(tm_p_file_list) | |
2007 | AC_SUBST(tm_p_file) | |
2008 | AC_SUBST(xm_file) | |
3d9d2476 | 2009 | AC_SUBST(xm_defines) |
9f3d1bc2 | 2010 | AC_SUBST(will_use_collect2) |
aac69a49 NC |
2011 | AC_SUBST(c_target_objs) |
2012 | AC_SUBST(cxx_target_objs) | |
11642c3a | 2013 | AC_SUBST(target_cpu_default) |
46f18e7b RK |
2014 | |
2015 | AC_SUBST_FILE(target_overrides) | |
2016 | AC_SUBST_FILE(host_overrides) | |
2017 | AC_SUBST(cross_defines) | |
2018 | AC_SUBST_FILE(cross_overrides) | |
2019 | AC_SUBST_FILE(build_overrides) | |
2020 | AC_SUBST_FILE(language_fragments) | |
2021 | AC_SUBST_FILE(language_hooks) | |
2022 | ||
2023 | # Echo that links are built | |
75bffa71 | 2024 | if test x$host = x$target |
46f18e7b RK |
2025 | then |
2026 | str1="native " | |
2027 | else | |
2028 | str1="cross-" | |
2029 | str2=" from $host" | |
2030 | fi | |
2031 | ||
75bffa71 | 2032 | if test x$host != x$build |
46f18e7b RK |
2033 | then |
2034 | str3=" on a $build system" | |
2035 | fi | |
2036 | ||
75bffa71 | 2037 | if test "x$str2" != x || test "x$str3" != x |
46f18e7b RK |
2038 | then |
2039 | str4= | |
2040 | fi | |
2041 | ||
2042 | echo "Links are now set up to build a ${str1}compiler for ${target}$str4" 1>&2 | |
2043 | ||
75bffa71 | 2044 | if test "x$str2" != x || test "x$str3" != x |
46f18e7b RK |
2045 | then |
2046 | echo " ${str2}${str3}." 1>&2 | |
2047 | fi | |
2048 | ||
61536478 | 2049 | # Truncate the target if necessary |
75bffa71 | 2050 | if test x$host_truncate_target != x; then |
61536478 JL |
2051 | target=`echo $target | sed -e 's/\(..............\).*/\1/'` |
2052 | fi | |
2053 | ||
46f18e7b RK |
2054 | # Configure the subdirectories |
2055 | # AC_CONFIG_SUBDIRS($subdirs) | |
2056 | ||
2057 | # Create the Makefile | |
5891b37d | 2058 | # and configure language subdirectories |
0280cf84 | 2059 | AC_OUTPUT($all_outputs, |
cdcc6a01 | 2060 | [ |
cdcc6a01 | 2061 | case x$CONFIG_HEADERS in |
b7cb92ad | 2062 | xauto-host.h:config.in) |
818b66cc | 2063 | echo > cstamp-h ;; |
cdcc6a01 | 2064 | esac |
93cf819d BK |
2065 | # If the host supports symlinks, point stage[1234] at ../stage[1234] so |
2066 | # bootstrapping and the installation procedure can still use | |
2067 | # CC="stage1/xgcc -Bstage1/". If the host doesn't support symlinks, | |
2068 | # FLAGS_TO_PASS has been modified to solve the problem there. | |
2069 | # This is virtually a duplicate of what happens in configure.lang; we do | |
2070 | # an extra check to make sure this only happens if ln -s can be used. | |
75bffa71 | 2071 | if test "$symbolic_link" = "ln -s"; then |
93cf819d | 2072 | for d in .. ${subdirs} ; do |
75bffa71 | 2073 | if test $d != ..; then |
4e8a434e BK |
2074 | STARTDIR=`pwd` |
2075 | cd $d | |
2076 | for t in stage1 stage2 stage3 stage4 include | |
2077 | do | |
2078 | rm -f $t | |
2079 | $symbolic_link ../$t $t 2>/dev/null | |
2080 | done | |
2081 | cd $STARTDIR | |
93cf819d BK |
2082 | fi |
2083 | done | |
2084 | else true ; fi | |
ab87f8c8 JL |
2085 | # Avoid having to add intl to our include paths. |
2086 | if test -f intl/libintl.h; then | |
2087 | echo creating libintl.h | |
2088 | echo '#include "intl/libintl.h"' >libintl.h | |
2089 | fi | |
cdcc6a01 DE |
2090 | ], |
2091 | [ | |
5891b37d RK |
2092 | host='${host}' |
2093 | build='${build}' | |
2094 | target='${target}' | |
52060267 | 2095 | target_alias='${target_alias}' |
5891b37d RK |
2096 | srcdir='${srcdir}' |
2097 | subdirs='${subdirs}' | |
2098 | symbolic_link='${symbolic_link}' | |
2099 | program_transform_set='${program_transform_set}' | |
2100 | program_transform_name='${program_transform_name}' | |
5891b37d RK |
2101 | dep_host_xmake_file='${dep_host_xmake_file}' |
2102 | host_xmake_file='${host_xmake_file}' | |
2103 | dep_tmake_file='${dep_tmake_file}' | |
2104 | tmake_file='${tmake_file}' | |
0bbb1697 | 2105 | thread_file='${thread_file}' |
cc1e60ea | 2106 | gcc_config_arguments='${gcc_config_arguments}' |
f1943b77 | 2107 | gcc_version='${gcc_version}' |
8763704d | 2108 | gcc_version_full='${gcc_version_full}' |
f1943b77 | 2109 | gcc_version_trigger='${gcc_version_trigger}' |
5891b37d | 2110 | local_prefix='${local_prefix}' |
5891b37d | 2111 | build_install_headers_dir='${build_install_headers_dir}' |
a204adc6 | 2112 | build_exeext='${build_exeext}' |
6e26218f | 2113 | host_exeext='${host_exeext}' |
7ed46111 | 2114 | out_file='${out_file}' |
5891b37d RK |
2115 | gdb_needs_out_file_path='${gdb_needs_out_file_path}' |
2116 | SET_MAKE='${SET_MAKE}' | |
5891b37d | 2117 | target_list='${target_list}' |
5891b37d RK |
2118 | target_overrides='${target_overrides}' |
2119 | host_overrides='${host_overrides}' | |
2120 | cross_defines='${cross_defines}' | |
2121 | cross_overrides='${cross_overrides}' | |
2122 | build_overrides='${build_overrides}' | |
9fc9b82a | 2123 | cpp_install_dir='${cpp_install_dir}' |
cdcc6a01 | 2124 | ]) |