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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 | |
99e757d5 | 350 | gcc_AC_C_LONG_DOUBLE |
61842080 | 351 | |
97d81d66 JM |
352 | AC_CACHE_CHECK(whether ${CC-cc} accepts -Wno-long-long, |
353 | ac_cv_prog_cc_no_long_long, | |
354 | [save_CFLAGS="$CFLAGS" | |
355 | CFLAGS="-Wno-long-long" | |
356 | AC_TRY_COMPILE(,,ac_cv_prog_cc_no_long_long=yes, | |
357 | ac_cv_prog_cc_no_long_long=no) | |
358 | CFLAGS="$save_CFLAGS"]) | |
b8dad04b ZW |
359 | strict1_warn= |
360 | if test $ac_cv_prog_cc_no_long_long = yes; then | |
361 | strict1_warn="-pedantic -Wno-long-long" | |
362 | fi | |
363 | AC_SUBST(strict1_warn) | |
ff5def20 | 364 | |
61842080 MM |
365 | # If the native compiler is GCC, we can enable warnings even in stage1. |
366 | # That's useful for people building cross-compilers, or just running a | |
367 | # quick `make'. | |
b8dad04b ZW |
368 | warn_cflags= |
369 | if test "x$GCC" = "xyes"; then | |
370 | warn_cflags='$(GCC_WARN_CFLAGS)' | |
61842080 | 371 | fi |
b8dad04b | 372 | AC_SUBST(warn_cflags) |
5b67ad6f DA |
373 | |
374 | # Stage specific cflags for build. | |
b8dad04b | 375 | stage1_cflags= |
5b67ad6f DA |
376 | case $build in |
377 | vax-*-*) | |
378 | if test x$GCC = xyes | |
379 | then | |
b8dad04b | 380 | stage1_cflags="-Wa,-J" |
5b67ad6f | 381 | else |
b8dad04b | 382 | stage1_cflags="-J" |
5b67ad6f DA |
383 | fi |
384 | ;; | |
385 | esac | |
b8dad04b | 386 | AC_SUBST(stage1_cflags) |
61842080 | 387 | |
e9a25f70 JL |
388 | AC_PROG_MAKE_SET |
389 | ||
ab339d62 | 390 | AC_MSG_CHECKING([whether a default assembler was specified]) |
3ccc3a56 | 391 | if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then |
e154a394 | 392 | if test x"$gas_flag" = x"no"; then |
3ccc3a56 | 393 | AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER)]) |
ab339d62 | 394 | else |
3ccc3a56 | 395 | AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER - GNU as)]) |
ab339d62 AO |
396 | fi |
397 | else | |
398 | AC_MSG_RESULT(no) | |
399 | fi | |
400 | ||
401 | AC_MSG_CHECKING([whether a default linker was specified]) | |
3ccc3a56 | 402 | if test x"${DEFAULT_LINKER+set}" = x"set"; then |
e154a394 | 403 | if test x"$gnu_ld_flag" = x"no"; then |
3ccc3a56 | 404 | AC_MSG_RESULT([yes ($DEFAULT_LINKER)]) |
ab339d62 | 405 | else |
3ccc3a56 | 406 | AC_MSG_RESULT([yes ($DEFAULT_LINKER - GNU ld)]) |
ab339d62 AO |
407 | fi |
408 | else | |
409 | AC_MSG_RESULT(no) | |
410 | fi | |
411 | ||
4070d885 AJ |
412 | AC_MSG_CHECKING(for GNU C library) |
413 | AC_CACHE_VAL(gcc_cv_glibc, | |
414 | [AC_TRY_COMPILE( | |
415 | [#include <features.h>],[ | |
416 | #if ! (defined __GLIBC__ || defined __GNU_LIBRARY__) | |
417 | #error Not a GNU C library system | |
418 | #endif], | |
419 | [gcc_cv_glibc=yes], | |
420 | gcc_cv_glibc=no)]) | |
421 | AC_MSG_RESULT($gcc_cv_glibc) | |
c2f7d403 | 422 | if test $gcc_cv_glibc = yes; then |
4070d885 AJ |
423 | AC_DEFINE(_GNU_SOURCE, 1, [Always define this when using the GNU C Library]) |
424 | fi | |
4797e955 | 425 | |
603832a0 PT |
426 | AC_C_INLINE |
427 | ||
46f18e7b RK |
428 | # Find some useful tools |
429 | AC_PROG_AWK | |
99e757d5 KG |
430 | gcc_AC_PROG_LN |
431 | gcc_AC_PROG_LN_S | |
432 | gcc_AC_C_VOLATILE | |
46f18e7b | 433 | AC_PROG_RANLIB |
99e757d5 | 434 | gcc_AC_PROG_INSTALL |
46f18e7b | 435 | |
956d6950 JL |
436 | AC_HEADER_STDC |
437 | AC_HEADER_TIME | |
99e757d5 | 438 | gcc_AC_HEADER_STRING |
e9831ca0 | 439 | AC_HEADER_SYS_WAIT |
03c41c05 ZW |
440 | AC_CHECK_HEADERS(limits.h stddef.h string.h strings.h stdlib.h time.h \ |
441 | fcntl.h unistd.h stab.h sys/file.h sys/time.h \ | |
442 | sys/resource.h sys/param.h sys/times.h sys/stat.h \ | |
d6edb99e | 443 | direct.h malloc.h langinfo.h iconv.h stdbool.h) |
7636d567 | 444 | |
f24af81b TT |
445 | # Check for thread headers. |
446 | AC_CHECK_HEADER(thread.h, [have_thread_h=yes], [have_thread_h=]) | |
447 | AC_CHECK_HEADER(pthread.h, [have_pthread_h=yes], [have_pthread_h=]) | |
448 | ||
bcf12124 | 449 | # See if GNAT has been installed |
1ffc5c6e | 450 | AC_CHECK_PROG(have_gnat, gnatbind, yes, no) |
bcf12124 | 451 | |
955be633 JM |
452 | # See if we have the mktemp command. |
453 | AC_CHECK_PROG(have_mktemp_command, mktemp, yes, no) | |
454 | ||
09fa0705 ZW |
455 | # Do we have a single-tree copy of texinfo? |
456 | if test -f $srcdir/../texinfo/Makefile.in; then | |
457 | MAKEINFO='$(objdir)/../texinfo/makeinfo/makeinfo' | |
458 | gcc_cv_prog_makeinfo_modern=yes | |
459 | AC_MSG_RESULT([Using makeinfo from the unified source tree.]) | |
460 | else | |
461 | # See if makeinfo has been installed and is modern enough | |
462 | # that we can use it. | |
463 | gcc_AC_CHECK_PROG_VER(MAKEINFO, makeinfo, --version, | |
464 | [GNU texinfo.* \([0-9][0-9.]*\)], | |
fd939e46 | 465 | [4.*]) |
09fa0705 ZW |
466 | fi |
467 | ||
468 | if test $gcc_cv_prog_makeinfo_modern = no; then | |
469 | AC_MSG_WARN([ | |
470 | *** Makeinfo is missing or too old. | |
17db6582 | 471 | *** Info documentation will not be built.]) |
09fa0705 | 472 | BUILD_INFO= |
09fa0705 ZW |
473 | else |
474 | BUILD_INFO=info AC_SUBST(BUILD_INFO) | |
09fa0705 ZW |
475 | fi |
476 | ||
3f896fc2 JM |
477 | # Is pod2man recent enough to regenerate manpages? |
478 | AC_MSG_CHECKING([for recent Pod::Man]) | |
479 | if perl -e 'use 1.10 Pod::Man' >/dev/null 2>&1; then | |
fd939e46 JM |
480 | AC_MSG_RESULT(yes) |
481 | GENERATED_MANPAGES=generated-manpages AC_SUBST(GENERATED_MANPAGES) | |
482 | else | |
483 | AC_MSG_RESULT(no) | |
484 | GENERATED_MANPAGES= | |
485 | fi | |
486 | ||
1e608388 ZW |
487 | # How about lex? |
488 | dnl Don't use AC_PROG_LEX; we insist on flex. | |
489 | dnl LEXLIB is not useful in gcc. | |
490 | if test -f $srcdir/../flex/skel.c; then | |
491 | FLEX='$(objdir)/../flex/flex' | |
492 | else | |
493 | AC_CHECK_PROG(FLEX, flex, flex, false) | |
494 | fi | |
495 | ||
496 | # Bison? | |
497 | # The -L switch is so bison can find its skeleton file. | |
498 | if test -f $srcdir/../bison/bison.simple; then | |
499 | BISON='$(objdir)/../bison/bison -L $(srcdir)/../bison/' | |
500 | else | |
501 | AC_CHECK_PROG(BISON, bison, bison, false) | |
502 | fi | |
503 | ||
890ad3ea KG |
504 | # See if the stage1 system preprocessor understands the ANSI C |
505 | # preprocessor stringification operator. | |
506 | AC_C_STRINGIZE | |
76844337 | 507 | |
7636d567 JW |
508 | # Use <inttypes.h> only if it exists, |
509 | # doesn't clash with <sys/types.h>, and declares intmax_t. | |
510 | AC_MSG_CHECKING(for inttypes.h) | |
511 | AC_CACHE_VAL(gcc_cv_header_inttypes_h, | |
512 | [AC_TRY_COMPILE( | |
513 | [#include <sys/types.h> | |
514 | #include <inttypes.h>], | |
515 | [intmax_t i = -1;], | |
9da0e39b | 516 | [gcc_cv_header_inttypes_h=yes], |
7636d567 JW |
517 | gcc_cv_header_inttypes_h=no)]) |
518 | AC_MSG_RESULT($gcc_cv_header_inttypes_h) | |
9da0e39b | 519 | if test $gcc_cv_header_inttypes_h = yes; then |
119d24d1 KG |
520 | AC_DEFINE(HAVE_INTTYPES_H, 1, |
521 | [Define if you have a working <inttypes.h> header file.]) | |
9da0e39b | 522 | fi |
cdcc6a01 | 523 | |
c149cc37 RL |
524 | # |
525 | # Determine if enumerated bitfields are unsigned. ISO C says they can | |
526 | # be either signed or unsigned. | |
527 | # | |
528 | AC_CACHE_CHECK(for unsigned enumerated bitfields, gcc_cv_enum_bf_unsigned, | |
529 | [AC_TRY_RUN(#include <stdlib.h> | |
530 | enum t { BLAH = 128 } ; | |
531 | struct s_t { enum t member : 8; } s ; | |
532 | int main(void) | |
533 | { | |
534 | s.member = BLAH; | |
535 | if (s.member < 0) exit(1); | |
536 | exit(0); | |
537 | ||
538 | }, gcc_cv_enum_bf_unsigned=yes, gcc_cv_enum_bf_unsigned=no, gcc_cv_enum_bf_unsigned=yes)]) | |
c149cc37 RL |
539 | if test $gcc_cv_enum_bf_unsigned = yes; then |
540 | AC_DEFINE(ENUM_BITFIELDS_ARE_UNSIGNED, 1, | |
541 | [Define if enumerated bitfields are treated as unsigned values.]) | |
542 | fi | |
543 | ||
2e09e75a JM |
544 | AC_CHECK_FUNCS(strtoul bsearch putenv popen bcopy \ |
545 | strchr strrchr kill getrlimit setrlimit atoll atoq \ | |
54953b66 | 546 | sysconf isascii gettimeofday strsignal putc_unlocked fputc_unlocked \ |
130fadbb | 547 | fputs_unlocked getrusage iconv nl_langinfo) |
a81fb89e | 548 | |
f12bc141 | 549 | AC_CHECK_TYPE(ssize_t, int) |
56f48ce9 | 550 | |
e256b8b6 DA |
551 | # Try to determine the array type of the second argument of getgroups |
552 | # for the target system (int or gid_t). | |
553 | AC_TYPE_GETGROUPS | |
554 | if test "${target}" = "${build}"; then | |
555 | TARGET_GETGROUPS_T=$ac_cv_type_getgroups | |
556 | else | |
557 | case "${target}" in | |
558 | # This condition may need some tweaking. It should include all | |
559 | # targets where the array type of the second argument of getgroups | |
560 | # is int and the type of gid_t is not equivalent to int. | |
561 | *-*-sunos* | *-*-ultrix*) | |
562 | TARGET_GETGROUPS_T=int | |
563 | ;; | |
564 | *) | |
565 | TARGET_GETGROUPS_T=gid_t | |
566 | ;; | |
567 | esac | |
568 | fi | |
569 | AC_SUBST(TARGET_GETGROUPS_T) | |
570 | ||
99e757d5 | 571 | gcc_AC_FUNC_VFPRINTF_DOPRNT |
b3e1e64f | 572 | gcc_AC_FUNC_STRSTR |
99e757d5 | 573 | gcc_AC_FUNC_PRINTF_PTR |
b27d2bd5 MK |
574 | |
575 | case "${host}" in | |
576 | *-*-uwin*) | |
34fa3e7d MM |
577 | AC_MSG_ERROR([ |
578 | *** UWIN may not be used as a host platform because | |
579 | *** linking with posix.dll is not allowed by the GNU GPL]) | |
b27d2bd5 MK |
580 | ;; |
581 | esac | |
c375c43b | 582 | AC_FUNC_VFORK |
4acab94b | 583 | AC_FUNC_MMAP_ANYWHERE |
56f02b88 | 584 | AC_FUNC_MMAP_FILE |
f1b54f9b | 585 | |
86cf1cbd KG |
586 | # We will need to find libiberty.h and ansidecl.h |
587 | saved_CFLAGS="$CFLAGS" | |
588 | CFLAGS="$CFLAGS -I${srcdir} -I${srcdir}/../include" | |
2e09e75a JM |
589 | gcc_AC_CHECK_DECLS(bcopy \ |
590 | getenv atol sbrk abort atof getcwd getwd \ | |
86cf1cbd | 591 | strsignal putc_unlocked fputs_unlocked strstr environ \ |
f31e826b | 592 | malloc realloc calloc free basename getopt, , ,[ |
86cf1cbd KG |
593 | #include "gansidecl.h" |
594 | #include "system.h"]) | |
c5c76735 | 595 | |
f31e826b | 596 | gcc_AC_CHECK_DECLS(getrlimit setrlimit getrusage, , ,[ |
86cf1cbd KG |
597 | #include "gansidecl.h" |
598 | #include "system.h" | |
d2cabf16 KG |
599 | #ifdef HAVE_SYS_RESOURCE_H |
600 | #include <sys/resource.h> | |
601 | #endif | |
602 | ]) | |
603 | ||
86cf1cbd KG |
604 | # Restore CFLAGS from before the gcc_AC_NEED_DECLARATIONS tests. |
605 | CFLAGS="$saved_CFLAGS" | |
606 | ||
75923b2f | 607 | # mkdir takes a single argument on some systems. |
99e757d5 | 608 | gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG |
75923b2f | 609 | |
46f18e7b RK |
610 | # File extensions |
611 | manext='.1' | |
612 | objext='.o' | |
46f18e7b RK |
613 | AC_SUBST(manext) |
614 | AC_SUBST(objext) | |
46f18e7b RK |
615 | |
616 | build_xm_file= | |
61536478 | 617 | build_xm_defines= |
46f18e7b RK |
618 | build_install_headers_dir=install-headers-tar |
619 | build_exeext= | |
620 | host_xm_file= | |
61536478 | 621 | host_xm_defines= |
46f18e7b RK |
622 | host_xmake_file= |
623 | host_truncate_target= | |
6e26218f | 624 | host_exeext= |
46f18e7b RK |
625 | |
626 | # Decode the host machine, then the target machine. | |
627 | # For the host machine, we save the xm_file variable as host_xm_file; | |
628 | # then we decode the target machine and forget everything else | |
629 | # that came from the host machine. | |
630 | for machine in $build $host $target; do | |
61ed06c3 | 631 | . ${srcdir}/config.gcc |
46f18e7b RK |
632 | done |
633 | ||
634 | extra_objs="${host_extra_objs} ${extra_objs}" | |
635 | ||
636 | # Default the target-machine variables that were not explicitly set. | |
75bffa71 | 637 | if test x"$tm_file" = x |
46f18e7b RK |
638 | then tm_file=$cpu_type/$cpu_type.h; fi |
639 | ||
6b2adea9 | 640 | if test x"$extra_headers" = x |
46f18e7b RK |
641 | then extra_headers=; fi |
642 | ||
75bffa71 | 643 | if test x"$xm_file" = x |
46f18e7b RK |
644 | then xm_file=$cpu_type/xm-$cpu_type.h; fi |
645 | ||
75bffa71 | 646 | if test x$md_file = x |
e98e406f | 647 | then md_file=$cpu_type/$cpu_type.md; fi |
46f18e7b | 648 | |
75bffa71 | 649 | if test x$out_file = x |
46f18e7b RK |
650 | then out_file=$cpu_type/$cpu_type.c; fi |
651 | ||
75bffa71 | 652 | if test x"$tmake_file" = x |
46f18e7b RK |
653 | then tmake_file=$cpu_type/t-$cpu_type |
654 | fi | |
655 | ||
90e6a802 | 656 | if test x"$dwarf2" = xyes |
756ee602 | 657 | then tm_file="$tm_file tm-dwarf2.h" |
90e6a802 RL |
658 | fi |
659 | ||
75bffa71 | 660 | if test x$float_format = x |
46f18e7b RK |
661 | then float_format=i64 |
662 | fi | |
663 | ||
027ea2a7 JW |
664 | if test $float_format = none |
665 | then float_h_file=Makefile.in | |
666 | else float_h_file=float-$float_format.h | |
667 | fi | |
668 | ||
9fc9b82a | 669 | # Handle cpp installation. |
3ecc3258 | 670 | if test x$enable_cpp != xno |
9fc9b82a L |
671 | then |
672 | tmake_file="$tmake_file t-install-cpp" | |
673 | fi | |
674 | ||
46f18e7b RK |
675 | # Say what files are being used for the output code and MD file. |
676 | echo "Using \`$srcdir/config/$out_file' to output insns." | |
677 | echo "Using \`$srcdir/config/$md_file' as machine description file." | |
678 | ||
679 | count=a | |
680 | for f in $tm_file; do | |
681 | count=${count}x | |
682 | done | |
75bffa71 | 683 | if test $count = ax; then |
46f18e7b RK |
684 | echo "Using \`$srcdir/config/$tm_file' as target machine macro file." |
685 | else | |
686 | echo "Using the following target machine macro files:" | |
687 | for f in $tm_file; do | |
688 | echo " $srcdir/config/$f" | |
689 | done | |
690 | fi | |
691 | ||
692 | count=a | |
693 | for f in $host_xm_file; do | |
694 | count=${count}x | |
695 | done | |
75bffa71 | 696 | if test $count = ax; then |
46f18e7b RK |
697 | echo "Using \`$srcdir/config/$host_xm_file' as host machine macro file." |
698 | else | |
699 | echo "Using the following host machine macro files:" | |
700 | for f in $host_xm_file; do | |
701 | echo " $srcdir/config/$f" | |
702 | done | |
703 | fi | |
704 | ||
75bffa71 | 705 | if test "$host_xm_file" != "$build_xm_file"; then |
46f18e7b RK |
706 | count=a |
707 | for f in $build_xm_file; do | |
708 | count=${count}x | |
709 | done | |
75bffa71 | 710 | if test $count = ax; then |
46f18e7b RK |
711 | echo "Using \`$srcdir/config/$build_xm_file' as build machine macro file." |
712 | else | |
713 | echo "Using the following build machine macro files:" | |
714 | for f in $build_xm_file; do | |
715 | echo " $srcdir/config/$f" | |
716 | done | |
717 | fi | |
718 | fi | |
719 | ||
75bffa71 ILT |
720 | if test x$thread_file = x; then |
721 | if test x$target_thread_file != x; then | |
a851212a JW |
722 | thread_file=$target_thread_file |
723 | else | |
724 | thread_file='single' | |
725 | fi | |
46f18e7b | 726 | fi |
46f18e7b RK |
727 | |
728 | # Set up the header files. | |
729 | # $links is the list of header files to create. | |
730 | # $vars is the list of shell variables with file names to include. | |
b7cb92ad | 731 | # auto-host.h is the file containing items generated by autoconf and is |
e9a25f70 | 732 | # the first file included by config.h. |
b7cb92ad | 733 | # If host=build, it is correct to have hconfig include auto-host.h |
db81d74a RH |
734 | # as well. If host!=build, we are in error and need to do more |
735 | # work to find out the build config parameters. | |
eaf4e618 | 736 | # FIXME: hconfig.h should be bconfig.h. |
75bffa71 | 737 | if test x$host = x$build |
db81d74a | 738 | then |
eaf4e618 | 739 | build_auto=auto-host.h |
b7cb92ad JL |
740 | else |
741 | # We create a subdir, then run autoconf in the subdir. | |
742 | # To prevent recursion we set host and build for the new | |
743 | # invocation of configure to the build for this invocation | |
744 | # of configure. | |
745 | tempdir=build.$$ | |
746 | rm -rf $tempdir | |
747 | mkdir $tempdir | |
748 | cd $tempdir | |
749 | case ${srcdir} in | |
b86ecfa9 | 750 | /* | [A-Za-z]:[\\/]* ) realsrcdir=${srcdir};; |
b7cb92ad JL |
751 | *) realsrcdir=../${srcdir};; |
752 | esac | |
fe81dd69 | 753 | CC=${CC_FOR_BUILD} ${realsrcdir}/configure \ |
b7cb92ad JL |
754 | --target=$target --host=$build --build=$build |
755 | ||
756 | # We just finished tests for the build machine, so rename | |
757 | # the file auto-build.h in the gcc directory. | |
758 | mv auto-host.h ../auto-build.h | |
759 | cd .. | |
760 | rm -rf $tempdir | |
eaf4e618 | 761 | build_auto=auto-build.h |
db81d74a RH |
762 | fi |
763 | ||
eaf4e618 ZW |
764 | null_defines= |
765 | tm_file="${tm_file} defaults.h" | |
766 | host_xm_file="auto-host.h gansidecl.h ${host_xm_file} ${tm_file} hwint.h" | |
767 | build_xm_file="${build_auto} gansidecl.h ${build_xm_file} ${tm_file} hwint.h" | |
768 | xm_file="gansidecl.h ${xm_file} ${tm_file}" | |
0056a9b5 | 769 | |
eaf4e618 ZW |
770 | vars="host_xm_file tm_p_file xm_file build_xm_file" |
771 | links="config.h tm_p.h tconfig.h hconfig.h" | |
772 | defines="host_xm_defines null_defines xm_defines build_xm_defines" | |
46f18e7b RK |
773 | |
774 | rm -f config.bak | |
75bffa71 | 775 | if test -f config.status; then mv -f config.status config.bak; fi |
46f18e7b RK |
776 | |
777 | # Make the links. | |
75bffa71 | 778 | while test -n "$vars" |
46f18e7b | 779 | do |
46f18e7b RK |
780 | set $vars; var=$1; shift; vars=$* |
781 | set $links; link=$1; shift; links=$* | |
61536478 | 782 | set $defines; define=$1; shift; defines=$* |
46f18e7b RK |
783 | |
784 | rm -f $link | |
6baf1cc8 BS |
785 | # Make sure the file is created, even if it is empty. |
786 | echo >$link | |
46f18e7b RK |
787 | |
788 | # Define TARGET_CPU_DEFAULT if the system wants one. | |
789 | # This substitutes for lots of *.h files. | |
eaf4e618 | 790 | if test "$target_cpu_default" != "" |
46f18e7b | 791 | then |
8fbf199e | 792 | echo "#define TARGET_CPU_DEFAULT ($target_cpu_default)" >>$link |
46f18e7b RK |
793 | fi |
794 | ||
795 | for file in `eval echo '$'$var`; do | |
ab87f8c8 | 796 | case $file in |
6efa1582 | 797 | auto-host.h | auto-build.h ) |
ab87f8c8 JL |
798 | ;; |
799 | *) | |
800 | echo '#ifdef IN_GCC' >>$link | |
801 | ;; | |
802 | esac | |
46f18e7b | 803 | echo "#include \"$file\"" >>$link |
ab87f8c8 | 804 | case $file in |
6efa1582 | 805 | auto-host.h | auto-build.h ) |
ab87f8c8 JL |
806 | ;; |
807 | *) | |
808 | echo '#endif' >>$link | |
809 | ;; | |
810 | esac | |
46f18e7b | 811 | done |
61536478 JL |
812 | |
813 | for def in `eval echo '$'$define`; do | |
814 | echo "#ifndef $def" >>$link | |
815 | echo "#define $def" >>$link | |
816 | echo "#endif" >>$link | |
817 | done | |
04d430b8 | 818 | |
eaf4e618 ZW |
819 | # Include insn-codes.h last, because it includes machmode.h, |
820 | # and we want EXTRA_CC_MODES to be taken into account. | |
821 | echo "#ifndef GENERATOR_FILE" >>$link | |
822 | echo "#include \"insn-codes.h\"" >>$link | |
823 | echo "#endif" >>$link | |
46f18e7b RK |
824 | done |
825 | ||
826 | # Truncate the target if necessary | |
75bffa71 | 827 | if test x$host_truncate_target != x; then |
46f18e7b RK |
828 | target=`echo $target | sed -e 's/\(..............\).*/\1/'` |
829 | fi | |
830 | ||
f1943b77 | 831 | # Get the version trigger filename from the toplevel |
75bffa71 | 832 | if test "${with_gcc_version_trigger+set}" = set; then |
f1943b77 MH |
833 | gcc_version_trigger=$with_gcc_version_trigger |
834 | else | |
835 | gcc_version_trigger=${srcdir}/version.c | |
836 | fi | |
75bffa71 | 837 | changequote(,)dnl |
8763704d JM |
838 | gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([^\"]*\)\".*/\1/'` |
839 | gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'` | |
cc1e60ea JM |
840 | |
841 | # Compile in configure arguments. | |
8105825d | 842 | if test -f configargs.h ; then |
cc1e60ea JM |
843 | # Being re-configured. |
844 | gcc_config_arguments=`grep configuration_arguments configargs.h | sed -e 's/.*\"\([^\"]*\)\".*/\1/'` | |
845 | gcc_config_arguments="$gcc_config_arguments : (reconfigured) $TOPLEVEL_CONFIGURE_ARGUMENTS" | |
846 | else | |
847 | gcc_config_arguments="$TOPLEVEL_CONFIGURE_ARGUMENTS" | |
848 | fi | |
849 | cat > configargs.h <<EOF | |
850 | /* Generated automatically. */ | |
851 | static const char configuration_arguments[] = "$gcc_config_arguments"; | |
852 | EOF | |
75bffa71 | 853 | changequote([,])dnl |
46f18e7b | 854 | |
ab87f8c8 JL |
855 | # Internationalization |
856 | PACKAGE=gcc | |
857 | VERSION="$gcc_version" | |
119d24d1 KG |
858 | AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", |
859 | [Define to the name of the distribution.]) | |
860 | AC_DEFINE_UNQUOTED(VERSION, "$VERSION", | |
861 | [Define to the version of the distribution.]) | |
ab87f8c8 JL |
862 | AC_SUBST(PACKAGE) |
863 | AC_SUBST(VERSION) | |
864 | ||
2be36552 | 865 | ALL_LINGUAS="sv" |
ab87f8c8 | 866 | |
dc6746e7 | 867 | # Enable NLS support by default |
ab87f8c8 | 868 | AC_ARG_ENABLE(nls, |
dc6746e7 PT |
869 | [ --enable-nls use Native Language Support (default)], |
870 | , enable_nls=yes) | |
871 | ||
872 | # if cross compiling, disable NLS support. | |
873 | # It's not worth the trouble, at least for now. | |
874 | ||
063a4b85 | 875 | if test "${build}" != "${host}" && test "x$enable_nls" = "xyes"; then |
dc6746e7 PT |
876 | AC_MSG_WARN(Disabling NLS support for canadian cross compiler.) |
877 | enable_nls=no | |
878 | fi | |
ab87f8c8 | 879 | |
4adee315 PT |
880 | # if NLS is enabled, also enable check in po subdir |
881 | if test $enable_nls = yes; then | |
882 | CHECK_PO=check-po | |
883 | else | |
884 | CHECK_PO="" | |
885 | fi | |
886 | ||
887 | AC_SUBST(CHECK_PO) | |
888 | ||
ab87f8c8 JL |
889 | AM_GNU_GETTEXT |
890 | XGETTEXT="AWK='$AWK' \$(SHELL) \$(top_srcdir)/exgettext $XGETTEXT" | |
891 | ||
f4ab28e3 MK |
892 | # Windows32 Registry support for specifying GCC installation paths. |
893 | AC_ARG_ENABLE(win32-registry, | |
894 | [ --disable-win32-registry | |
895 | Disable lookup of installation paths in the | |
896 | Registry on Windows hosts. | |
897 | --enable-win32-registry Enable registry lookup (default). | |
898 | --enable-win32-registry=KEY | |
899 | Use KEY instead of GCC version as the last portion | |
900 | of the registry key.],,) | |
901 | ||
902 | AC_MSG_CHECKING(whether windows registry support is requested) | |
903 | if test x$enable_win32_registry != xno; then | |
119d24d1 KG |
904 | AC_DEFINE(ENABLE_WIN32_REGISTRY, 1, |
905 | [Define to 1 if installation paths should be looked up in Windows32 | |
91029a29 | 906 | Registry. Ignored on non windows32 hosts.]) |
f4ab28e3 MK |
907 | AC_MSG_RESULT(yes) |
908 | else | |
909 | AC_MSG_RESULT(no) | |
910 | fi | |
911 | ||
912 | # Check if user specified a different registry key. | |
913 | case x${enable_win32_registry} in | |
914 | x | xyes) | |
915 | # default. | |
916 | gcc_cv_win32_registry_key="$VERSION" | |
917 | ;; | |
918 | xno) | |
919 | # no registry lookup. | |
920 | gcc_cv_win32_registry_key='' | |
921 | ;; | |
922 | *) | |
923 | # user-specified key. | |
924 | gcc_cv_win32_registry_key="$enable_win32_registry" | |
925 | ;; | |
926 | esac | |
927 | ||
928 | if test x$enable_win32_registry != xno; then | |
929 | AC_MSG_CHECKING(registry key on windows hosts) | |
119d24d1 KG |
930 | AC_DEFINE_UNQUOTED(WIN32_REGISTRY_KEY, "$gcc_cv_win32_registry_key", |
931 | [Define to be the last portion of registry key on windows hosts.]) | |
f4ab28e3 MK |
932 | AC_MSG_RESULT($gcc_cv_win32_registry_key) |
933 | fi | |
934 | ||
7fa10b25 RK |
935 | # Get an absolute path to the GCC top-level source directory |
936 | holddir=`pwd` | |
937 | cd $srcdir | |
938 | topdir=`pwd` | |
939 | cd $holddir | |
940 | ||
af5e4ada | 941 | # Conditionalize the makefile for this host machine. |
94f42018 DE |
942 | # Make-host contains the concatenation of all host makefile fragments |
943 | # [there can be more than one]. This file is built by configure.frag. | |
944 | host_overrides=Make-host | |
af5e4ada | 945 | dep_host_xmake_file= |
94f42018 DE |
946 | for f in .. ${host_xmake_file} |
947 | do | |
75bffa71 | 948 | if test -f ${srcdir}/config/$f |
94f42018 DE |
949 | then |
950 | dep_host_xmake_file="${dep_host_xmake_file} ${srcdir}/config/$f" | |
951 | fi | |
952 | done | |
46f18e7b | 953 | |
af5e4ada | 954 | # Conditionalize the makefile for this target machine. |
94f42018 DE |
955 | # Make-target contains the concatenation of all host makefile fragments |
956 | # [there can be more than one]. This file is built by configure.frag. | |
957 | target_overrides=Make-target | |
af5e4ada | 958 | dep_tmake_file= |
94f42018 DE |
959 | for f in .. ${tmake_file} |
960 | do | |
75bffa71 | 961 | if test -f ${srcdir}/config/$f |
94f42018 DE |
962 | then |
963 | dep_tmake_file="${dep_tmake_file} ${srcdir}/config/$f" | |
964 | fi | |
965 | done | |
5891b37d | 966 | |
af5e4ada DE |
967 | # If the host doesn't support symlinks, modify CC in |
968 | # FLAGS_TO_PASS so CC="stage1/xgcc -Bstage1/" works. | |
969 | # Otherwise, we can use "CC=$(CC)". | |
970 | rm -f symtest.tem | |
61536478 | 971 | if $symbolic_link $srcdir/gcc.c symtest.tem 2>/dev/null |
af5e4ada DE |
972 | then |
973 | cc_set_by_configure="\$(CC)" | |
5aa82ace | 974 | quoted_cc_set_by_configure="\$(CC)" |
af5e4ada DE |
975 | stage_prefix_set_by_configure="\$(STAGE_PREFIX)" |
976 | else | |
61536478 JL |
977 | rm -f symtest.tem |
978 | if cp -p $srcdir/gcc.c symtest.tem 2>/dev/null | |
979 | then | |
980 | symbolic_link="cp -p" | |
981 | else | |
982 | symbolic_link="cp" | |
983 | fi | |
af5e4ada | 984 | cc_set_by_configure="\`case '\$(CC)' in stage*) echo '\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\$(CC)';; esac\`" |
5aa82ace | 985 | quoted_cc_set_by_configure="\\\`case '\\\$(CC)' in stage*) echo '\\\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(CC)';; esac\\\`" |
af5e4ada DE |
986 | stage_prefix_set_by_configure="\`case '\$(STAGE_PREFIX)' in stage*) echo '\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\$(STAGE_PREFIX)';; esac\`" |
987 | fi | |
988 | rm -f symtest.tem | |
5891b37d | 989 | |
af5e4ada | 990 | out_object_file=`basename $out_file .c`.o |
5891b37d | 991 | |
af5e4ada DE |
992 | tm_file_list= |
993 | for f in $tm_file; do | |
64ccbc99 | 994 | case $f in |
c913b6f1 | 995 | gansidecl.h | defaults.h ) |
64ccbc99 KG |
996 | tm_file_list="${tm_file_list} $f" ;; |
997 | *) tm_file_list="${tm_file_list} \$(srcdir)/config/$f" ;; | |
998 | esac | |
af5e4ada | 999 | done |
46f18e7b | 1000 | |
af5e4ada DE |
1001 | host_xm_file_list= |
1002 | for f in $host_xm_file; do | |
64ccbc99 | 1003 | case $f in |
c913b6f1 | 1004 | auto-host.h | gansidecl.h | defaults.h | hwint.h ) |
64ccbc99 KG |
1005 | host_xm_file_list="${host_xm_file_list} $f" ;; |
1006 | *) host_xm_file_list="${host_xm_file_list} \$(srcdir)/config/$f" ;; | |
1007 | esac | |
af5e4ada DE |
1008 | done |
1009 | ||
1010 | build_xm_file_list= | |
1011 | for f in $build_xm_file; do | |
64ccbc99 | 1012 | case $f in |
c913b6f1 | 1013 | auto-build.h | auto-host.h | gansidecl.h | defaults.h | hwint.h ) |
64ccbc99 KG |
1014 | build_xm_file_list="${build_xm_file_list} $f" ;; |
1015 | *) build_xm_file_list="${build_xm_file_list} \$(srcdir)/config/$f" ;; | |
1016 | esac | |
af5e4ada | 1017 | done |
46f18e7b | 1018 | |
af5e4ada DE |
1019 | # Define macro CROSS_COMPILE in compilation |
1020 | # if this is a cross-compiler. | |
1021 | # Also use all.cross instead of all.internal | |
1022 | # and add cross-make to Makefile. | |
571a8de5 | 1023 | cross_overrides="/dev/null" |
75bffa71 | 1024 | if test x$host != x$target |
af5e4ada DE |
1025 | then |
1026 | cross_defines="CROSS=-DCROSS_COMPILE" | |
1027 | cross_overrides="${topdir}/cross-make" | |
1028 | fi | |
46f18e7b | 1029 | |
b39d221a EC |
1030 | # If this is a cross-compiler that does not |
1031 | # have its own set of headers then define | |
1032 | # inhibit_libc | |
1033 | ||
1034 | # If this is using newlib, then define inhibit_libc in | |
1035 | # LIBGCC2_CFLAGS. This will cause __eprintf to be left out of | |
1036 | # libgcc.a, but that's OK because newlib should have its own version of | |
1037 | # assert.h. | |
1038 | inhibit_libc= | |
1039 | if [test x$host != x$target] && [test x$with_headers = x]; then | |
1040 | inhibit_libc=-Dinhibit_libc | |
1041 | else | |
1042 | if [test x$with_newlib = xyes]; then | |
1043 | inhibit_libc=-Dinhibit_libc | |
1044 | fi | |
1045 | fi | |
1046 | AC_SUBST(inhibit_libc) | |
1047 | ||
af5e4ada DE |
1048 | # When building gcc with a cross-compiler, we need to fix a few things. |
1049 | # This must come after cross-make as we want all.build to override | |
1050 | # all.cross. | |
571a8de5 | 1051 | build_overrides="/dev/null" |
75bffa71 | 1052 | if test x$build != x$host |
af5e4ada DE |
1053 | then |
1054 | build_overrides="${topdir}/build-make" | |
1055 | fi | |
46f18e7b | 1056 | |
ae3a15bb DE |
1057 | # Expand extra_headers to include complete path. |
1058 | # This substitutes for lots of t-* files. | |
1059 | extra_headers_list= | |
75bffa71 | 1060 | if test "x$extra_headers" = x |
ae3a15bb DE |
1061 | then true |
1062 | else | |
1063 | # Prepend ${srcdir}/ginclude/ to every entry in extra_headers. | |
1064 | for file in $extra_headers; | |
1065 | do | |
1066 | extra_headers_list="${extra_headers_list} \$(srcdir)/ginclude/${file}" | |
1067 | done | |
1068 | fi | |
1069 | ||
75bffa71 | 1070 | if test x$use_collect2 = xno; then |
2ce3c6c6 JM |
1071 | use_collect2= |
1072 | fi | |
1073 | ||
af5e4ada DE |
1074 | # Add a definition of USE_COLLECT2 if system wants one. |
1075 | # Also tell toplev.c what to do. | |
1076 | # This substitutes for lots of t-* files. | |
75bffa71 | 1077 | if test x$use_collect2 = x |
af5e4ada DE |
1078 | then |
1079 | will_use_collect2= | |
1080 | maybe_use_collect2= | |
1081 | else | |
10da1131 | 1082 | will_use_collect2="collect2" |
af5e4ada DE |
1083 | maybe_use_collect2="-DUSE_COLLECT2" |
1084 | fi | |
1085 | ||
af5e4ada | 1086 | # If we have gas in the build tree, make a link to it. |
75bffa71 | 1087 | if test -f ../gas/Makefile; then |
6e26218f | 1088 | rm -f as; $symbolic_link ../gas/as-new$host_exeext as$host_exeext 2>/dev/null |
af5e4ada DE |
1089 | fi |
1090 | ||
4b95eb49 | 1091 | # If we have nm in the build tree, make a link to it. |
75bffa71 | 1092 | if test -f ../binutils/Makefile; then |
4b95eb49 JL |
1093 | rm -f nm; $symbolic_link ../binutils/nm-new$host_exeext nm$host_exeext 2>/dev/null |
1094 | fi | |
1095 | ||
af5e4ada | 1096 | # If we have ld in the build tree, make a link to it. |
75bffa71 ILT |
1097 | if test -f ../ld/Makefile; then |
1098 | # if test x$use_collect2 = x; then | |
6e26218f | 1099 | # rm -f ld; $symbolic_link ../ld/ld-new$host_exeext ld$host_exeext 2>/dev/null |
aa32d841 | 1100 | # else |
6e26218f | 1101 | rm -f collect-ld; $symbolic_link ../ld/ld-new$host_exeext collect-ld$host_exeext 2>/dev/null |
aa32d841 | 1102 | # fi |
af5e4ada DE |
1103 | fi |
1104 | ||
981d4858 JM |
1105 | # Figure out what assembler we will be using. |
1106 | AC_MSG_CHECKING(what assembler to use) | |
9e423e6d | 1107 | gcc_cv_as= |
981d4858 JM |
1108 | gcc_cv_gas_major_version= |
1109 | gcc_cv_gas_minor_version= | |
a2f319ea | 1110 | gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/gas |
3ccc3a56 AO |
1111 | if test -x "$DEFAULT_ASSEMBLER"; then |
1112 | gcc_cv_as="$DEFAULT_ASSEMBLER" | |
1113 | elif test -x "$AS"; then | |
1114 | gcc_cv_as="$AS" | |
ab339d62 | 1115 | elif test -x as$host_exeext; then |
9e423e6d JW |
1116 | # Build using assembler in the current directory. |
1117 | gcc_cv_as=./as$host_exeext | |
5585c1bc | 1118 | elif test -f $gcc_cv_as_gas_srcdir/configure.in -a -f ../gas/Makefile; then |
9e423e6d | 1119 | # Single tree build which includes gas. |
a2c9d57c | 1120 | for f in $gcc_cv_as_gas_srcdir/configure $gcc_cv_as_gas_srcdir/configure.in $gcc_cv_as_gas_srcdir/Makefile.in |
9e423e6d | 1121 | do |
75bffa71 ILT |
1122 | changequote(,)dnl |
1123 | gcc_cv_gas_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f` | |
1124 | changequote([,])dnl | |
1125 | if test x$gcc_cv_gas_version != x; then | |
9e423e6d JW |
1126 | break |
1127 | fi | |
1128 | done | |
75bffa71 ILT |
1129 | changequote(,)dnl |
1130 | gcc_cv_gas_major_version=`expr "$gcc_cv_gas_version" : "VERSION=\([0-9]*\)"` | |
1131 | gcc_cv_gas_minor_version=`expr "$gcc_cv_gas_version" : "VERSION=[0-9]*\.\([0-9]*\)"` | |
1132 | changequote([,])dnl | |
981d4858 JM |
1133 | fi |
1134 | ||
1135 | if test "x$gcc_cv_as" = x -a x$host = x$target; then | |
9e423e6d | 1136 | # Native build. |
779243f7 JL |
1137 | # Search the same directories that the installed compiler will |
1138 | # search. Else we may find the wrong assembler and lose. If we | |
1139 | # do not find a suitable assembler binary, then try the user's | |
1140 | # path. | |
1141 | # | |
1142 | # Also note we have to check MD_EXEC_PREFIX before checking the | |
1143 | # user's path. Unfortunately, there is no good way to get at the | |
1144 | # value of MD_EXEC_PREFIX here. So we do a brute force search | |
1145 | # through all the known MD_EXEC_PREFIX values. Ugh. This needs | |
1146 | # to be fixed as part of the make/configure rewrite too. | |
1147 | ||
1148 | if test "x$exec_prefix" = xNONE; then | |
1149 | if test "x$prefix" = xNONE; then | |
1150 | test_prefix=/usr/local | |
1151 | else | |
1152 | test_prefix=$prefix | |
1153 | fi | |
1154 | else | |
1155 | test_prefix=$exec_prefix | |
1156 | fi | |
1157 | ||
1158 | # If the loop below does not find an assembler, then use whatever | |
1159 | # one we can find in the users's path. | |
1160 | # user's path. | |
1161 | as=as$host_exeext | |
1162 | ||
1163 | test_dirs="$test_prefix/lib/gcc-lib/$target/$gcc_version \ | |
1164 | $test_prefix/lib/gcc-lib/$target \ | |
1165 | /usr/lib/gcc/$target/$gcc_version \ | |
1166 | /usr/lib/gcc/$target \ | |
1167 | $test_prefix/$target/bin/$target/$gcc_version \ | |
1168 | $test_prefix/$target/bin \ | |
1169 | /usr/libexec \ | |
1170 | /usr/ccs/gcc \ | |
1171 | /usr/ccs/bin \ | |
1172 | /udk/usr/ccs/bin \ | |
1173 | /bsd43/usr/lib/cmplrs/cc \ | |
1174 | /usr/cross64/usr/bin \ | |
1175 | /usr/lib/cmplrs/cc \ | |
1176 | /sysv/usr/lib/cmplrs/cc \ | |
1177 | /svr4/usr/lib/cmplrs/cc \ | |
1178 | /usr/bin" | |
1179 | ||
1180 | for dir in $test_dirs; do | |
1181 | if test -f $dir/as$host_exeext; then | |
1182 | gcc_cv_as=$dir/as$host_exeext | |
1183 | break; | |
1184 | fi | |
1185 | done | |
9e423e6d | 1186 | fi |
981d4858 JM |
1187 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then |
1188 | AC_MSG_RESULT("newly built gas") | |
1189 | else | |
1190 | AC_MSG_RESULT($gcc_cv_as) | |
1191 | fi | |
1192 | ||
1193 | # Figure out what nm we will be using. | |
1194 | AC_MSG_CHECKING(what nm to use) | |
1195 | if test -x nm$host_exeext; then | |
1196 | gcc_cv_nm=./nm$host_exeext | |
1197 | elif test x$host = x$target; then | |
1198 | # Native build. | |
1199 | gcc_cv_nm=nm$host_exeext | |
1200 | fi | |
1201 | AC_MSG_RESULT($gcc_cv_nm) | |
1202 | ||
1203 | # Figure out what assembler alignment features are present. | |
1204 | AC_MSG_CHECKING(assembler alignment features) | |
9d147085 | 1205 | gcc_cv_as_alignment_features=none |
981d4858 JM |
1206 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then |
1207 | # Gas version 2.6 and later support for .balign and .p2align. | |
1208 | # bytes to skip when using .p2align. | |
1209 | if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 6 -o "$gcc_cv_gas_major_version" -gt 2; then | |
1210 | gcc_cv_as_alignment_features=".balign and .p2align" | |
1211 | AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN) | |
1212 | fi | |
1213 | # Gas version 2.8 and later support specifying the maximum | |
1214 | # bytes to skip when using .p2align. | |
1215 | if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 8 -o "$gcc_cv_gas_major_version" -gt 2; then | |
1216 | gcc_cv_as_alignment_features=".p2align including maximum skip" | |
1217 | AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN) | |
1218 | fi | |
1219 | elif test x$gcc_cv_as != x; then | |
00ccc16d JL |
1220 | # Check if we have .balign and .p2align |
1221 | echo ".balign 4" > conftest.s | |
1222 | echo ".p2align 2" >> conftest.s | |
1223 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
1224 | gcc_cv_as_alignment_features=".balign and .p2align" | |
1225 | AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN) | |
1226 | fi | |
1227 | rm -f conftest.s conftest.o | |
9e423e6d JW |
1228 | # Check if specifying the maximum bytes to skip when |
1229 | # using .p2align is supported. | |
1230 | echo ".p2align 4,,7" > conftest.s | |
1231 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
1232 | gcc_cv_as_alignment_features=".p2align including maximum skip" | |
1233 | AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN) | |
1234 | fi | |
1235 | rm -f conftest.s conftest.o | |
1236 | fi | |
1237 | AC_MSG_RESULT($gcc_cv_as_alignment_features) | |
1238 | ||
d1accaa3 | 1239 | AC_MSG_CHECKING(assembler subsection support) |
9d147085 | 1240 | gcc_cv_as_subsections=no |
981d4858 JM |
1241 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then |
1242 | if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then | |
1243 | gcc_cv_as_subsections="working .subsection -1" | |
1244 | fi | |
1245 | elif test x$gcc_cv_as != x; then | |
d1accaa3 JJ |
1246 | # Check if we have .subsection |
1247 | echo ".subsection 1" > conftest.s | |
1248 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
1249 | gcc_cv_as_subsections=".subsection" | |
d1accaa3 JJ |
1250 | if test x$gcc_cv_nm != x; then |
1251 | cat > conftest.s <<EOF | |
1252 | conftest_label1: .word 0 | |
1253 | .subsection -1 | |
1254 | conftest_label2: .word 0 | |
1255 | .previous | |
1256 | EOF | |
1257 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
1258 | $gcc_cv_nm conftest.o | grep conftest_label1 > conftest.nm1 | |
1259 | $gcc_cv_nm conftest.o | grep conftest_label2 | sed -e 's/label2/label1/' > conftest.nm2 | |
1b015bec AO |
1260 | if cmp conftest.nm1 conftest.nm2 > /dev/null 2>&1; then |
1261 | : | |
1262 | else | |
d1accaa3 | 1263 | gcc_cv_as_subsections="working .subsection -1" |
d1accaa3 JJ |
1264 | fi |
1265 | fi | |
1266 | fi | |
1267 | fi | |
1268 | rm -f conftest.s conftest.o conftest.nm1 conftest.nm2 | |
1269 | fi | |
981d4858 JM |
1270 | if test x"$gcc_cv_as_subsections" = x"working .subsection -1"; then |
1271 | AC_DEFINE(HAVE_GAS_SUBSECTION_ORDERING, 1, | |
1272 | [Define if your assembler supports .subsection and .subsection -1 starts | |
1273 | emitting at the beginning of your section.]) | |
1274 | fi | |
d1accaa3 JJ |
1275 | AC_MSG_RESULT($gcc_cv_as_subsections) |
1276 | ||
12822146 | 1277 | AC_MSG_CHECKING(assembler weak support) |
9d147085 | 1278 | gcc_cv_as_weak=no |
981d4858 JM |
1279 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then |
1280 | if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 2 -o "$gcc_cv_gas_major_version" -gt 2; then | |
1281 | gcc_cv_as_weak="yes" | |
1282 | fi | |
1283 | elif test x$gcc_cv_as != x; then | |
12822146 JL |
1284 | # Check if we have .weak |
1285 | echo " .weak foobar" > conftest.s | |
1286 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
12822146 JL |
1287 | gcc_cv_as_weak="yes" |
1288 | fi | |
1289 | rm -f conftest.s conftest.o conftest.nm1 conftest.nm2 | |
1290 | fi | |
981d4858 JM |
1291 | if test x"$gcc_cv_as_weak" = xyes; then |
1292 | AC_DEFINE(HAVE_GAS_WEAK, 1, [Define if your assembler supports .weak.]) | |
1293 | fi | |
12822146 JL |
1294 | AC_MSG_RESULT($gcc_cv_as_weak) |
1295 | ||
6a9c5260 | 1296 | AC_MSG_CHECKING(assembler hidden support) |
9d147085 | 1297 | gcc_cv_as_hidden=no |
981d4858 JM |
1298 | if test x$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 "$gcc_cv_gas_minor_version" -ge 10 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then | |
1300 | gcc_cv_as_hidden="yes" | |
1301 | fi | |
1302 | elif test x$gcc_cv_as != x; then | |
6a9c5260 UD |
1303 | # Check if we have .hidden |
1304 | echo " .hidden foobar" > conftest.s | |
1305 | echo "foobar:" >> conftest.s | |
1306 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
6a9c5260 UD |
1307 | gcc_cv_as_hidden="yes" |
1308 | fi | |
1309 | rm -f conftest.s conftest.o conftest.nm1 conftest.nm2 | |
1310 | fi | |
981d4858 JM |
1311 | if test x"$gcc_cv_as_hidden" = xyes; then |
1312 | AC_DEFINE(HAVE_GAS_HIDDEN, 1, | |
1313 | [Define if your assembler supports .hidden.]) | |
1314 | fi | |
6a9c5260 UD |
1315 | AC_MSG_RESULT($gcc_cv_as_hidden) |
1316 | ||
1cb36a98 RH |
1317 | case "$target" in |
1318 | sparc*-*-*) | |
5b68c389 AO |
1319 | AC_CACHE_CHECK([assembler .register pseudo-op support], |
1320 | gcc_cv_as_register_pseudo_op, [ | |
1321 | gcc_cv_as_register_pseudo_op=unknown | |
1322 | if test x$gcc_cv_as != x; then | |
1323 | # Check if we have .register | |
1324 | echo ".register %g2, #scratch" > conftest.s | |
1325 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
1cb36a98 | 1326 | gcc_cv_as_register_pseudo_op=yes |
5b68c389 AO |
1327 | else |
1328 | gcc_cv_as_register_pseudo_op=no | |
1329 | fi | |
1330 | rm -f conftest.s conftest.o | |
1cb36a98 | 1331 | fi |
5b68c389 AO |
1332 | ]) |
1333 | if test "x$gcc_cv_as_register_pseudo_op" = xyes; then | |
119d24d1 KG |
1334 | AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1, |
1335 | [Define if your assembler supports .register.]) | |
1cb36a98 | 1336 | fi |
1cb36a98 | 1337 | |
e95b1e6a JJ |
1338 | AC_CACHE_CHECK([assembler supports -relax], |
1339 | gcc_cv_as_relax_opt, [ | |
1340 | gcc_cv_as_relax_opt=unknown | |
1341 | if test x$gcc_cv_as != x; then | |
1342 | # Check if gas supports -relax | |
1343 | echo ".text" > conftest.s | |
1344 | if $gcc_cv_as -relax -o conftest.o conftest.s > /dev/null 2>&1; then | |
1345 | gcc_cv_as_relax_opt=yes | |
1346 | else | |
1347 | gcc_cv_as_relax_opt=no | |
1348 | fi | |
1349 | rm -f conftest.s conftest.o | |
1350 | fi | |
1351 | ]) | |
1352 | if test "x$gcc_cv_as_relax_opt" = xyes; then | |
1353 | AC_DEFINE(HAVE_AS_RELAX_OPTION, 1, | |
1354 | [Define if your assembler supports -relax option.]) | |
1355 | fi | |
1356 | ||
5b68c389 AO |
1357 | case "$tm_file" in |
1358 | *64*) | |
1359 | AC_CACHE_CHECK([for 64 bit support in assembler ($gcc_cv_as)], | |
1360 | gcc_cv_as_flags64, [ | |
1361 | if test -n "$gcc_cv_as"; then | |
1362 | echo ".xword foo" > conftest.s | |
1363 | gcc_cv_as_flags64=no | |
8a90b95d | 1364 | for flag in "-xarch=v9" "-64 -Av9"; do |
5b68c389 AO |
1365 | if $gcc_cv_as $flag -o conftest.o conftest.s \ |
1366 | > /dev/null 2>&1; then | |
1367 | gcc_cv_as_flags64=$flag | |
1368 | break | |
1369 | fi | |
1370 | done | |
1371 | rm -f conftest.s conftest.o | |
1372 | else | |
1373 | if test "$gas" = yes; then | |
1374 | gcc_cv_as_flags64="-64 -Av9" | |
1375 | else | |
1376 | gcc_cv_as_flags64="-xarch=v9" | |
1377 | fi | |
1cb36a98 | 1378 | fi |
5b68c389 AO |
1379 | ]) |
1380 | if test "x$gcc_cv_as_flags64" = xno; then | |
1381 | changequote(, ) | |
1382 | tmake_file=`echo " $tmake_file " | sed -e 's, sparc/t-sol2-64 , ,' -e 's,^ ,,' -e 's, $,,'` | |
1383 | dep_tmake_file=`echo " $dep_tmake_file " | sed -e 's, [^ ]*/config/sparc/t-sol2-64 , ,' -e 's,^ ,,' -e 's, $,,'` | |
1384 | changequote([, ]) | |
1385 | else | |
119d24d1 KG |
1386 | AC_DEFINE_UNQUOTED(AS_SPARC64_FLAG, "$gcc_cv_as_flags64", |
1387 | [Define if the assembler supports 64bit sparc.]) | |
1cb36a98 | 1388 | fi |
5b68c389 AO |
1389 | ;; |
1390 | *) gcc_cv_as_flags64=${gcc_cv_as_flags64-no} | |
1391 | ;; | |
1392 | esac | |
1393 | ||
1394 | if test "x$gcc_cv_as_flags64" != xno; then | |
1395 | AC_CACHE_CHECK([for assembler offsetable %lo() support], | |
1396 | gcc_cv_as_offsetable_lo10, [ | |
1397 | gcc_cv_as_offsetable_lo10=unknown | |
1398 | if test "x$gcc_cv_as" != x; then | |
1399 | # Check if assembler has offsetable %lo() | |
1400 | echo "or %g1, %lo(ab) + 12, %g1" > conftest.s | |
1401 | echo "or %g1, %lo(ab + 12), %g1" > conftest1.s | |
1402 | if $gcc_cv_as $gcc_cv_as_flags64 -o conftest.o conftest.s \ | |
1403 | > /dev/null 2>&1 && | |
1404 | $gcc_cv_as $gcc_cv_as_flags64 -o conftest1.o conftest1.s \ | |
1405 | > /dev/null 2>&1; then | |
1406 | if cmp conftest.o conftest1.o > /dev/null 2>&1; then | |
1407 | gcc_cv_as_offsetable_lo10=no | |
1408 | else | |
1409 | gcc_cv_as_offsetable_lo10=yes | |
1410 | fi | |
1411 | else | |
1412 | gcc_cv_as_offsetable_lo10=no | |
1cb36a98 | 1413 | fi |
5b68c389 AO |
1414 | rm -f conftest.s conftest.o conftest1.s conftest1.o |
1415 | fi | |
1416 | ]) | |
1417 | if test "x$gcc_cv_as_offsetable_lo10" = xyes; then | |
119d24d1 KG |
1418 | AC_DEFINE(HAVE_AS_OFFSETABLE_LO10, 1, |
1419 | [Define if your assembler supports offsetable %lo().]) | |
1cb36a98 | 1420 | fi |
1cb36a98 | 1421 | fi |
1cb36a98 RH |
1422 | ;; |
1423 | ||
1424 | changequote(,)dnl | |
1425 | i[34567]86-*-*) | |
1426 | changequote([,])dnl | |
1427 | AC_MSG_CHECKING(assembler instructions) | |
1428 | gcc_cv_as_instructions= | |
981d4858 JM |
1429 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then |
1430 | if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2; then | |
1431 | gcc_cv_as_instructions="filds fists" | |
1432 | fi | |
1433 | elif test x$gcc_cv_as != x; then | |
53b5ce19 JW |
1434 | set "filds fists" "filds mem; fists mem" |
1435 | while test $# -gt 0 | |
1436 | do | |
1437 | echo "$2" > conftest.s | |
1438 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
1439 | gcc_cv_as_instructions=${gcc_cv_as_instructions}$1" " | |
53b5ce19 JW |
1440 | fi |
1441 | shift 2 | |
1442 | done | |
1443 | rm -f conftest.s conftest.o | |
1cb36a98 | 1444 | fi |
981d4858 | 1445 | if test x"$gcc_cv_as_instructions" != x; then |
ee7692d2 | 1446 | AC_DEFINE_UNQUOTED(HAVE_GAS_`echo "$gcc_cv_as_instructions" | sed -e 's/ $//' | tr '[a-z ]' '[A-Z_]'`) |
981d4858 | 1447 | fi |
1cb36a98 RH |
1448 | AC_MSG_RESULT($gcc_cv_as_instructions) |
1449 | ;; | |
1450 | esac | |
53b5ce19 | 1451 | |
9d147085 RH |
1452 | AC_MSG_CHECKING(assembler dwarf2 debug_line support) |
1453 | gcc_cv_as_dwarf2_debug_line=no | |
1454 | # ??? Not all targets support dwarf2 debug_line, even within a version | |
1455 | # of gas. Moreover, we need to emit a valid instruction to trigger any | |
1456 | # info to the output file. So, as supported targets are added to gas 2.11, | |
1457 | # add some instruction here to (also) show we expect this might work. | |
1458 | # ??? Once 2.11 is released, probably need to add first known working | |
1459 | # version to the per-target configury. | |
1460 | case "$target" in | |
e6978109 | 1461 | i?86*-*-* | mips*-*-* | alpha*-*-* | powerpc*-*-* | sparc*-*-*) |
9d147085 RH |
1462 | insn="nop" |
1463 | ;; | |
1464 | ia64*-*-*) | |
1465 | insn="nop 0" | |
1466 | ;; | |
1467 | esac | |
1468 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; | |
1469 | then | |
1470 | if test "$gcc_cv_gas_major_version" -eq 2 \ | |
1471 | -a "$gcc_cv_gas_minor_version" -ge 11 \ | |
1472 | -o "$gcc_cv_gas_major_version" -gt 2 \ | |
1473 | && grep 'obj_format = elf' ../gas/Makefile > /dev/null \ | |
1474 | && test x"$insn" != x ; then | |
1475 | gcc_cv_as_dwarf2_debug_line="yes" | |
1476 | fi | |
1477 | elif test x$gcc_cv_as != x -a x"$insn" != x ; then | |
1478 | echo ' .file 0 "conftest.s"' > conftest.s | |
1479 | echo ' .loc 0 3 0' >> conftest.s | |
1480 | echo " $insn" >> conftest.s | |
1481 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \ | |
1482 | && grep debug_line conftest.o > /dev/null 2>&1 ; then | |
1483 | gcc_cv_as_dwarf2_debug_line="yes" | |
1484 | fi | |
1485 | rm -f conftest.s conftest.o conftest.nm1 conftest.nm2 | |
1486 | fi | |
1487 | if test x"$gcc_cv_as_dwarf2_debug_line" = xyes; then | |
1488 | AC_DEFINE(HAVE_AS_DWARF2_DEBUG_LINE, 1, | |
1489 | [Define if your assembler supports dwarf2 .file/.loc directives.]) | |
1490 | fi | |
1491 | AC_MSG_RESULT($gcc_cv_as_dwarf2_debug_line) | |
1492 | ||
571a8de5 | 1493 | # Figure out what language subdirectories are present. |
71205e0b MH |
1494 | # Look if the user specified --enable-languages="..."; if not, use |
1495 | # the environment variable $LANGUAGES if defined. $LANGUAGES might | |
1496 | # go away some day. | |
1497 | if test x"${enable_languages+set}" != xset; then | |
1498 | if test x"${LANGUAGES+set}" = xset; then | |
1499 | enable_languages="`echo ${LANGUAGES} | tr ' ' ','`" | |
1500 | else | |
1501 | enable_languages=all | |
1502 | fi | |
d6c6b553 PE |
1503 | else |
1504 | if test x"${enable_languages}" = x; then | |
1505 | AC_MSG_ERROR([--enable-languages needs at least one argument]) | |
1506 | fi | |
71205e0b | 1507 | fi |
75382c6d TT |
1508 | |
1509 | # First scan to see if an enabled language requires some other language. | |
1510 | # We assume that a given config-lang.in will list all the language | |
1511 | # front ends it requires, even if some are required indirectly. | |
1512 | for lang in ${srcdir}/*/config-lang.in .. | |
1513 | do | |
1514 | case $lang in | |
1515 | ..) | |
1516 | ;; | |
1517 | # The odd quoting in the next line works around | |
1518 | # an apparent bug in bash 1.12 on linux. | |
1519 | changequote(,)dnl | |
1520 | ${srcdir}/[*]/config-lang.in) | |
1521 | ;; | |
1522 | *) | |
1523 | lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang` | |
1524 | this_lang_requires=`sed -n -e 's,^lang_requires=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^lang_requires=\([^ ]*\).*$,\1,p' $lang` | |
1525 | for other in $this_lang_requires | |
1526 | do | |
1527 | case ,${enable_languages}, in | |
1528 | *,$other,*) | |
1529 | ;; | |
1530 | *,all,*) | |
1531 | ;; | |
1532 | *) | |
1533 | enable_languages="$enable_languages,$other" | |
1534 | ;; | |
1535 | esac | |
1536 | done | |
1537 | ;; | |
1538 | changequote([,])dnl | |
1539 | esac | |
1540 | done | |
1541 | ||
571a8de5 DE |
1542 | subdirs= |
1543 | for lang in ${srcdir}/*/config-lang.in .. | |
1544 | do | |
1545 | case $lang in | |
1546 | ..) ;; | |
1547 | # The odd quoting in the next line works around | |
1548 | # an apparent bug in bash 1.12 on linux. | |
75bffa71 ILT |
1549 | changequote(,)dnl |
1550 | ${srcdir}/[*]/config-lang.in) ;; | |
71205e0b MH |
1551 | *) |
1552 | lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang` | |
2b60b2cb AO |
1553 | this_lang_libs=`sed -n -e 's,^target_libs=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^target_libs=\([^ ]*\).*$,\1,p' $lang` |
1554 | build_by_default=`sed -n -e 's,^build_by_default=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^build_by_default=\([^ ]*\).*$,\1,p' $lang` | |
71205e0b MH |
1555 | if test "x$lang_alias" = x |
1556 | then | |
1557 | echo "$lang doesn't set \$language." 1>&2 | |
1558 | exit 1 | |
1559 | fi | |
2b60b2cb AO |
1560 | case ${build_by_default},${enable_languages}, in |
1561 | *,$lang_alias,*) add_this_lang=yes ;; | |
1562 | no,*) add_this_lang=no ;; | |
1563 | *,all,*) add_this_lang=yes ;; | |
1564 | *) add_this_lang=no ;; | |
1565 | esac | |
71205e0b MH |
1566 | if test x"${add_this_lang}" = xyes; then |
1567 | case $lang in | |
1568 | ${srcdir}/ada/config-lang.in) | |
1ffc5c6e | 1569 | if test x$have_gnat = xyes ; then |
71205e0b MH |
1570 | subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`" |
1571 | fi | |
1572 | ;; | |
1573 | *) | |
1574 | subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`" | |
1575 | ;; | |
1576 | esac | |
1577 | fi | |
1578 | ;; | |
75bffa71 | 1579 | changequote([,])dnl |
571a8de5 DE |
1580 | esac |
1581 | done | |
1582 | ||
f24af81b TT |
1583 | # Make gthr-default.h if we have a thread file. |
1584 | gthread_flags= | |
75bffa71 | 1585 | if test $thread_file != single; then |
f24af81b | 1586 | rm -f gthr-default.h |
db0d1ed9 | 1587 | echo "#include \"gthr-${thread_file}.h\"" > gthr-default.h |
f24af81b TT |
1588 | gthread_flags=-DHAVE_GTHR_DEFAULT |
1589 | fi | |
1590 | AC_SUBST(gthread_flags) | |
1591 | ||
81bf3d9e RH |
1592 | # Find out what GC implementation we want, or may, use. |
1593 | AC_ARG_WITH(gc, | |
1594 | [ --with-gc={simple,page} Choose the garbage collection mechanism to use | |
1595 | with the compiler.], | |
1596 | [case "$withval" in | |
1597 | simple | page) | |
1598 | GGC=ggc-$withval | |
1599 | ;; | |
1600 | *) | |
1601 | AC_MSG_ERROR([$withval is an invalid option to --with-gc]) | |
1602 | ;; | |
1603 | esac], | |
130fadbb | 1604 | [GGC=ggc-page]) |
81bf3d9e RH |
1605 | AC_SUBST(GGC) |
1606 | echo "Using $GGC for garbage collection." | |
1607 | ||
3c809ba4 | 1608 | # Use the system's zlib library. |
b8dad04b ZW |
1609 | zlibdir=-L../zlib |
1610 | zlibinc="-I\$(srcdir)/../zlib" | |
3c809ba4 AG |
1611 | AC_ARG_WITH(system-zlib, |
1612 | [ --with-system-zlib use installed libz], | |
1613 | zlibdir= | |
1614 | zlibinc= | |
1615 | ) | |
1616 | AC_SUBST(zlibdir) | |
1617 | AC_SUBST(zlibinc) | |
1618 | ||
22fdd65e | 1619 | AC_DEFINE_UNQUOTED(ENABLE_STD_NAMESPACE, 1, |
119d24d1 | 1620 | [Define to 1 if you want to enable namespaces (-fhonor-std) by default.]) |
7822500a | 1621 | |
dc6746e7 PT |
1622 | dnl Very limited version of automake's enable-maintainer-mode |
1623 | ||
1624 | AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) | |
1625 | dnl maintainer-mode is disabled by default | |
1626 | AC_ARG_ENABLE(maintainer-mode, | |
1627 | [ --enable-maintainer-mode enable make rules and dependencies not useful | |
1628 | (and sometimes confusing) to the casual installer], | |
1629 | maintainer_mode=$enableval, | |
1630 | maintainer_mode=no) | |
1631 | ||
1632 | AC_MSG_RESULT($maintainer_mode) | |
1633 | ||
1634 | if test "$maintainer_mode" = "yes"; then | |
1635 | MAINT='' | |
1636 | else | |
1637 | MAINT='#' | |
1638 | fi | |
1639 | AC_SUBST(MAINT)dnl | |
1640 | ||
571a8de5 DE |
1641 | # Make empty files to contain the specs and options for each language. |
1642 | # Then add #include lines to for a compiler that has specs and/or options. | |
1643 | ||
1644 | lang_specs_files= | |
1645 | lang_options_files= | |
3103b7db ML |
1646 | lang_tree_files= |
1647 | rm -f specs.h options.h gencheck.h | |
1648 | touch specs.h options.h gencheck.h | |
571a8de5 DE |
1649 | for subdir in . $subdirs |
1650 | do | |
75bffa71 | 1651 | if test -f $srcdir/$subdir/lang-specs.h; then |
571a8de5 DE |
1652 | echo "#include \"$subdir/lang-specs.h\"" >>specs.h |
1653 | lang_specs_files="$lang_specs_files $srcdir/$subdir/lang-specs.h" | |
1654 | fi | |
75bffa71 | 1655 | if test -f $srcdir/$subdir/lang-options.h; then |
571a8de5 DE |
1656 | echo "#include \"$subdir/lang-options.h\"" >>options.h |
1657 | lang_options_files="$lang_options_files $srcdir/$subdir/lang-options.h" | |
1658 | fi | |
3103b7db ML |
1659 | if test -f $srcdir/$subdir/$subdir-tree.def; then |
1660 | echo "#include \"$subdir/$subdir-tree.def\"" >>gencheck.h | |
1661 | lang_tree_files="$lang_tree_files $srcdir/$subdir/$subdir-tree.def" | |
1662 | fi | |
571a8de5 DE |
1663 | done |
1664 | ||
1665 | # These (without "all_") are set in each config-lang.in. | |
1666 | # `language' must be a single word so is spelled singularly. | |
1667 | all_languages= | |
1668 | all_boot_languages= | |
1669 | all_compilers= | |
1670 | all_stagestuff= | |
1671 | all_diff_excludes= | |
3ec83fc2 | 1672 | all_outputs='Makefile intl/Makefile po/Makefile.in fixinc/Makefile gccbug mklibgcc' |
571a8de5 DE |
1673 | # List of language makefile fragments. |
1674 | all_lang_makefiles= | |
1675 | all_headers= | |
1676 | all_lib2funcs= | |
1677 | ||
1678 | # Add the language fragments. | |
1679 | # Languages are added via two mechanisms. Some information must be | |
1680 | # recorded in makefile variables, these are defined in config-lang.in. | |
1681 | # We accumulate them and plug them into the main Makefile. | |
1682 | # The other mechanism is a set of hooks for each of the main targets | |
1683 | # like `clean', `install', etc. | |
1684 | ||
1685 | language_fragments="Make-lang" | |
1686 | language_hooks="Make-hooks" | |
1687 | ||
1688 | for s in .. $subdirs | |
1689 | do | |
75bffa71 | 1690 | if test $s != ".." |
571a8de5 DE |
1691 | then |
1692 | language= | |
1693 | boot_language= | |
1694 | compilers= | |
1695 | stagestuff= | |
1696 | diff_excludes= | |
1697 | headers= | |
0280cf84 | 1698 | outputs= |
571a8de5 DE |
1699 | lib2funcs= |
1700 | . ${srcdir}/$s/config-lang.in | |
75bffa71 | 1701 | if test "x$language" = x |
571a8de5 DE |
1702 | then |
1703 | echo "${srcdir}/$s/config-lang.in doesn't set \$language." 1>&2 | |
1704 | exit 1 | |
1705 | fi | |
72aaffbd ZW |
1706 | all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Make-lang.in" |
1707 | if test -f ${srcdir}/$s/Makefile.in | |
1708 | then all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Makefile.in" | |
1709 | fi | |
571a8de5 | 1710 | all_languages="$all_languages $language" |
75bffa71 | 1711 | if test "x$boot_language" = xyes |
571a8de5 DE |
1712 | then |
1713 | all_boot_languages="$all_boot_languages $language" | |
1714 | fi | |
1715 | all_compilers="$all_compilers $compilers" | |
1716 | all_stagestuff="$all_stagestuff $stagestuff" | |
1717 | all_diff_excludes="$all_diff_excludes $diff_excludes" | |
1718 | all_headers="$all_headers $headers" | |
0280cf84 | 1719 | all_outputs="$all_outputs $outputs" |
571a8de5 DE |
1720 | all_lib2funcs="$all_lib2funcs $lib2funcs" |
1721 | fi | |
1722 | done | |
1723 | ||
cbc59f01 DD |
1724 | check_languages= |
1725 | for language in .. $all_languages | |
1726 | do | |
1727 | if test $language != ".." | |
1728 | then | |
1729 | check_languages="$check_languages check-$language" | |
1730 | fi | |
1731 | done | |
1732 | ||
571a8de5 DE |
1733 | # Since we can't use `::' targets, we link each language in |
1734 | # with a set of hooks, reached indirectly via lang.${target}. | |
1735 | ||
1736 | rm -f Make-hooks | |
1737 | touch Make-hooks | |
1738 | target_list="all.build all.cross start.encap rest.encap \ | |
1739 | info dvi \ | |
1740 | install-normal install-common install-info install-man \ | |
436a88a6 | 1741 | uninstall \ |
571a8de5 DE |
1742 | mostlyclean clean distclean extraclean maintainer-clean \ |
1743 | stage1 stage2 stage3 stage4" | |
1744 | for t in $target_list | |
1745 | do | |
1746 | x= | |
ab87f8c8 | 1747 | for lang in .. $all_languages |
571a8de5 | 1748 | do |
ab87f8c8 JL |
1749 | if test $lang != ".."; then |
1750 | x="$x $lang.$t" | |
571a8de5 DE |
1751 | fi |
1752 | done | |
1753 | echo "lang.$t: $x" >> Make-hooks | |
1754 | done | |
1755 | ||
cc06d68c | 1756 | # Create .gdbinit. |
296e46bd | 1757 | |
cc06d68c GP |
1758 | echo "dir ." > .gdbinit |
1759 | echo "dir ${srcdir}" >> .gdbinit | |
1760 | if test x$gdb_needs_out_file_path = xyes | |
1761 | then | |
1762 | echo "dir ${srcdir}/config/"`dirname ${out_file}` >> .gdbinit | |
1763 | fi | |
1764 | if test "x$subdirs" != x; then | |
1765 | for s in $subdirs | |
1766 | do | |
1767 | echo "dir ${srcdir}/$s" >> .gdbinit | |
1768 | done | |
296e46bd | 1769 | fi |
cc06d68c | 1770 | echo "source ${srcdir}/gdbinit.in" >> .gdbinit |
296e46bd | 1771 | |
88111b26 JL |
1772 | # Define variables host_canonical and build_canonical |
1773 | # because some Cygnus local changes in the Makefile depend on them. | |
1774 | build_canonical=${build} | |
1775 | host_canonical=${host} | |
1776 | target_subdir= | |
75bffa71 | 1777 | if test "${host}" != "${target}" ; then |
88111b26 JL |
1778 | target_subdir=${target}/ |
1779 | fi | |
1780 | AC_SUBST(build_canonical) | |
1781 | AC_SUBST(host_canonical) | |
1782 | AC_SUBST(target_subdir) | |
1783 | ||
8f8d3278 NC |
1784 | # If $(exec_prefix) exists and is not the same as $(prefix), then compute an |
1785 | # absolute path for gcc_tooldir based on inserting the number of up-directory | |
1786 | # movements required to get from $(exec_prefix) to $(prefix) into the basic | |
1787 | # $(libsubdir)/@(unlibsubdir) based path. | |
82cbf8f7 JL |
1788 | # Don't set gcc_tooldir to tooldir since that's only passed in by the toplevel |
1789 | # make and thus we'd get different behavior depending on where we built the | |
1790 | # sources. | |
5949a9fc | 1791 | if test x$exec_prefix = xNONE -o x$exec_prefix = x$prefix; then |
d062c304 JL |
1792 | gcc_tooldir='$(libsubdir)/$(unlibsubdir)/../$(target_alias)' |
1793 | else | |
8f8d3278 NC |
1794 | changequote(<<, >>)dnl |
1795 | # An explanation of the sed strings: | |
1796 | # -e 's|^\$(prefix)||' matches and eliminates 'prefix' from 'exec_prefix' | |
1797 | # -e 's|/$||' match a trailing forward slash and eliminates it | |
1798 | # -e 's|^[^/]|/|' forces the string to start with a forward slash (*) | |
1799 | # -e 's|/[^/]*|../|g' replaces each occurance of /<directory> with ../ | |
1800 | # | |
1801 | # (*) Note this pattern overwrites the first character of the string | |
1802 | # with a forward slash if one is not already present. This is not a | |
1803 | # problem because the exact names of the sub-directories concerned is | |
1804 | # unimportant, just the number of them matters. | |
1805 | # | |
1806 | # The practical upshot of these patterns is like this: | |
1807 | # | |
1808 | # prefix exec_prefix result | |
1809 | # ------ ----------- ------ | |
1810 | # /foo /foo/bar ../ | |
1811 | # /foo/ /foo/bar ../ | |
1812 | # /foo /foo/bar/ ../ | |
1813 | # /foo/ /foo/bar/ ../ | |
1814 | # /foo /foo/bar/ugg ../../ | |
1815 | # | |
4c112cda NC |
1816 | dollar='$$' |
1817 | gcc_tooldir="\$(libsubdir)/\$(unlibsubdir)/\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/\$(dollar)||' -e 's|^[^/]|/|' -e 's|/[^/]*|../|g'\`\$(target_alias)" | |
8f8d3278 | 1818 | changequote([, ])dnl |
d062c304 JL |
1819 | fi |
1820 | AC_SUBST(gcc_tooldir) | |
4c112cda | 1821 | AC_SUBST(dollar) |
d062c304 | 1822 | |
2bbea3a6 RH |
1823 | # Find a directory in which to install a shared libgcc. |
1824 | ||
1825 | AC_ARG_ENABLE(version-specific-runtime-libs, | |
1826 | [ --enable-version-specific-runtime-libs Specify that runtime libraries shou | |
1827 | ld be installed in a compiler-specific directory ]) | |
1828 | ||
5b15f277 RH |
1829 | AC_ARG_WITH(slibdir, |
1830 | [ --with-slibdir=DIR shared libraries in DIR [LIBDIR]], | |
1831 | slibdir="$with_slibdir", | |
1832 | if test "${enable_version_specific_runtime_libs+set}" = set; then | |
2bbea3a6 | 1833 | slibdir='$(libsubdir)' |
5b15f277 | 1834 | elif test "$host" != "$target"; then |
2bbea3a6 RH |
1835 | slibdir='$(build_tooldir)/lib' |
1836 | else | |
5b15f277 RH |
1837 | slibdir='$(libdir)' |
1838 | fi) | |
2bbea3a6 RH |
1839 | AC_SUBST(slibdir) |
1840 | ||
7e717196 JL |
1841 | # Nothing to do for FLOAT_H, float_format already handled. |
1842 | objdir=`pwd` | |
1843 | AC_SUBST(objdir) | |
1844 | ||
94f42018 DE |
1845 | # Process the language and host/target makefile fragments. |
1846 | ${CONFIG_SHELL-/bin/sh} $srcdir/configure.frag $srcdir "$subdirs" "$dep_host_xmake_file" "$dep_tmake_file" | |
47866ac0 | 1847 | |
46f18e7b RK |
1848 | # Substitute configuration variables |
1849 | AC_SUBST(subdirs) | |
46f18e7b RK |
1850 | AC_SUBST(all_boot_languages) |
1851 | AC_SUBST(all_compilers) | |
46f18e7b | 1852 | AC_SUBST(all_diff_excludes) |
46f18e7b | 1853 | AC_SUBST(all_headers) |
9f3d1bc2 BK |
1854 | AC_SUBST(all_lang_makefiles) |
1855 | AC_SUBST(all_languages) | |
1856 | AC_SUBST(all_lib2funcs) | |
1857 | AC_SUBST(all_stagestuff) | |
1858 | AC_SUBST(build_exeext) | |
1859 | AC_SUBST(build_install_headers_dir) | |
1860 | AC_SUBST(build_xm_file_list) | |
cbc59f01 | 1861 | AC_SUBST(check_languages) |
9f3d1bc2 | 1862 | AC_SUBST(cc_set_by_configure) |
5aa82ace | 1863 | AC_SUBST(quoted_cc_set_by_configure) |
9f3d1bc2 | 1864 | AC_SUBST(cpp_install_dir) |
9f3d1bc2 BK |
1865 | AC_SUBST(dep_host_xmake_file) |
1866 | AC_SUBST(dep_tmake_file) | |
1867 | AC_SUBST(extra_c_flags) | |
9f3d1bc2 | 1868 | AC_SUBST(extra_headers_list) |
46f18e7b | 1869 | AC_SUBST(extra_objs) |
9f3d1bc2 BK |
1870 | AC_SUBST(extra_parts) |
1871 | AC_SUBST(extra_passes) | |
1872 | AC_SUBST(extra_programs) | |
9f3d1bc2 | 1873 | AC_SUBST(float_h_file) |
cc1e60ea | 1874 | AC_SUBST(gcc_config_arguments) |
9f3d1bc2 | 1875 | AC_SUBST(gcc_gxx_include_dir) |
e2187d3b | 1876 | AC_SUBST(libstdcxx_incdir) |
9f3d1bc2 | 1877 | AC_SUBST(gcc_version) |
8763704d | 1878 | AC_SUBST(gcc_version_full) |
9f3d1bc2 BK |
1879 | AC_SUBST(gcc_version_trigger) |
1880 | AC_SUBST(host_exeext) | |
46f18e7b | 1881 | AC_SUBST(host_extra_gcc_objs) |
46f18e7b | 1882 | AC_SUBST(host_xm_file_list) |
9f3d1bc2 | 1883 | AC_SUBST(install) |
46f18e7b | 1884 | AC_SUBST(lang_options_files) |
9f3d1bc2 | 1885 | AC_SUBST(lang_specs_files) |
3103b7db | 1886 | AC_SUBST(lang_tree_files) |
46f18e7b | 1887 | AC_SUBST(local_prefix) |
46f18e7b | 1888 | AC_SUBST(maybe_use_collect2) |
9f3d1bc2 BK |
1889 | AC_SUBST(md_file) |
1890 | AC_SUBST(objc_boehm_gc) | |
1891 | AC_SUBST(out_file) | |
1892 | AC_SUBST(out_object_file) | |
46f18e7b | 1893 | AC_SUBST(stage_prefix_set_by_configure) |
e9a25f70 | 1894 | AC_SUBST(symbolic_link) |
9f3d1bc2 BK |
1895 | AC_SUBST(thread_file) |
1896 | AC_SUBST(tm_file_list) | |
1897 | AC_SUBST(will_use_collect2) | |
aac69a49 NC |
1898 | AC_SUBST(c_target_objs) |
1899 | AC_SUBST(cxx_target_objs) | |
9fc9b82a | 1900 | |
46f18e7b RK |
1901 | |
1902 | AC_SUBST_FILE(target_overrides) | |
1903 | AC_SUBST_FILE(host_overrides) | |
1904 | AC_SUBST(cross_defines) | |
1905 | AC_SUBST_FILE(cross_overrides) | |
1906 | AC_SUBST_FILE(build_overrides) | |
1907 | AC_SUBST_FILE(language_fragments) | |
1908 | AC_SUBST_FILE(language_hooks) | |
1909 | ||
1910 | # Echo that links are built | |
75bffa71 | 1911 | if test x$host = x$target |
46f18e7b RK |
1912 | then |
1913 | str1="native " | |
1914 | else | |
1915 | str1="cross-" | |
1916 | str2=" from $host" | |
1917 | fi | |
1918 | ||
75bffa71 | 1919 | if test x$host != x$build |
46f18e7b RK |
1920 | then |
1921 | str3=" on a $build system" | |
1922 | fi | |
1923 | ||
75bffa71 | 1924 | if test "x$str2" != x || test "x$str3" != x |
46f18e7b RK |
1925 | then |
1926 | str4= | |
1927 | fi | |
1928 | ||
1929 | echo "Links are now set up to build a ${str1}compiler for ${target}$str4" 1>&2 | |
1930 | ||
75bffa71 | 1931 | if test "x$str2" != x || test "x$str3" != x |
46f18e7b RK |
1932 | then |
1933 | echo " ${str2}${str3}." 1>&2 | |
1934 | fi | |
1935 | ||
61536478 | 1936 | # Truncate the target if necessary |
75bffa71 | 1937 | if test x$host_truncate_target != x; then |
61536478 JL |
1938 | target=`echo $target | sed -e 's/\(..............\).*/\1/'` |
1939 | fi | |
1940 | ||
46f18e7b RK |
1941 | # Configure the subdirectories |
1942 | # AC_CONFIG_SUBDIRS($subdirs) | |
1943 | ||
1944 | # Create the Makefile | |
5891b37d | 1945 | # and configure language subdirectories |
0280cf84 | 1946 | AC_OUTPUT($all_outputs, |
cdcc6a01 | 1947 | [ |
cdcc6a01 | 1948 | case x$CONFIG_HEADERS in |
b7cb92ad | 1949 | xauto-host.h:config.in) |
818b66cc | 1950 | echo > cstamp-h ;; |
cdcc6a01 | 1951 | esac |
93cf819d BK |
1952 | # If the host supports symlinks, point stage[1234] at ../stage[1234] so |
1953 | # bootstrapping and the installation procedure can still use | |
1954 | # CC="stage1/xgcc -Bstage1/". If the host doesn't support symlinks, | |
1955 | # FLAGS_TO_PASS has been modified to solve the problem there. | |
1956 | # This is virtually a duplicate of what happens in configure.lang; we do | |
1957 | # an extra check to make sure this only happens if ln -s can be used. | |
75bffa71 | 1958 | if test "$symbolic_link" = "ln -s"; then |
93cf819d | 1959 | for d in .. ${subdirs} ; do |
75bffa71 | 1960 | if test $d != ..; then |
4e8a434e BK |
1961 | STARTDIR=`pwd` |
1962 | cd $d | |
1963 | for t in stage1 stage2 stage3 stage4 include | |
1964 | do | |
1965 | rm -f $t | |
1966 | $symbolic_link ../$t $t 2>/dev/null | |
1967 | done | |
1968 | cd $STARTDIR | |
93cf819d BK |
1969 | fi |
1970 | done | |
1971 | else true ; fi | |
ab87f8c8 JL |
1972 | # Avoid having to add intl to our include paths. |
1973 | if test -f intl/libintl.h; then | |
1974 | echo creating libintl.h | |
1975 | echo '#include "intl/libintl.h"' >libintl.h | |
1976 | fi | |
cdcc6a01 DE |
1977 | ], |
1978 | [ | |
5891b37d RK |
1979 | host='${host}' |
1980 | build='${build}' | |
1981 | target='${target}' | |
52060267 | 1982 | target_alias='${target_alias}' |
5891b37d RK |
1983 | srcdir='${srcdir}' |
1984 | subdirs='${subdirs}' | |
1985 | symbolic_link='${symbolic_link}' | |
1986 | program_transform_set='${program_transform_set}' | |
1987 | program_transform_name='${program_transform_name}' | |
5891b37d RK |
1988 | dep_host_xmake_file='${dep_host_xmake_file}' |
1989 | host_xmake_file='${host_xmake_file}' | |
1990 | dep_tmake_file='${dep_tmake_file}' | |
1991 | tmake_file='${tmake_file}' | |
0bbb1697 | 1992 | thread_file='${thread_file}' |
cc1e60ea | 1993 | gcc_config_arguments='${gcc_config_arguments}' |
f1943b77 | 1994 | gcc_version='${gcc_version}' |
8763704d | 1995 | gcc_version_full='${gcc_version_full}' |
f1943b77 | 1996 | gcc_version_trigger='${gcc_version_trigger}' |
5891b37d | 1997 | local_prefix='${local_prefix}' |
5891b37d | 1998 | build_install_headers_dir='${build_install_headers_dir}' |
a204adc6 | 1999 | build_exeext='${build_exeext}' |
6e26218f | 2000 | host_exeext='${host_exeext}' |
7ed46111 | 2001 | out_file='${out_file}' |
5891b37d RK |
2002 | gdb_needs_out_file_path='${gdb_needs_out_file_path}' |
2003 | SET_MAKE='${SET_MAKE}' | |
5891b37d | 2004 | target_list='${target_list}' |
5891b37d RK |
2005 | target_overrides='${target_overrides}' |
2006 | host_overrides='${host_overrides}' | |
2007 | cross_defines='${cross_defines}' | |
2008 | cross_overrides='${cross_overrides}' | |
2009 | build_overrides='${build_overrides}' | |
9fc9b82a | 2010 | cpp_install_dir='${cpp_install_dir}' |
cdcc6a01 | 2011 | ]) |