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