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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 | |
a494747c MM |
179 | # Enable expensive internal checks |
180 | AC_ARG_ENABLE(checking, | |
f4524c9e ZW |
181 | [ --enable-checking[=LIST] |
182 | enable expensive run-time checks. With LIST, | |
183 | enable only specific categories of checks. | |
184 | Categories are: misc,tree,rtl,gc,gcac; default | |
59f406b7 | 185 | is misc,tree,gc], |
119d24d1 KG |
186 | [ac_checking= |
187 | ac_tree_checking= | |
188 | ac_rtl_checking= | |
189 | ac_gc_checking= | |
190 | ac_gc_always_collect= | |
191 | case "${enableval}" in | |
51d0e20c | 192 | yes) ac_checking=1 ; ac_tree_checking=1 ; ac_gc_checking=1 ;; |
4e88d51b | 193 | no) ;; |
59f406b7 | 194 | *) IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS," |
f4524c9e ZW |
195 | set fnord $enableval; shift |
196 | IFS="$ac_save_IFS" | |
c62e45ad KG |
197 | for check |
198 | do | |
f4524c9e | 199 | case $check in |
119d24d1 KG |
200 | misc) ac_checking=1 ;; |
201 | tree) ac_tree_checking=1 ;; | |
202 | rtl) ac_rtl_checking=1 ;; | |
203 | gc) ac_gc_checking=1 ;; | |
204 | gcac) ac_gc_always_collect=1 ;; | |
f4524c9e ZW |
205 | *) AC_MSG_ERROR(unknown check category $check) ;; |
206 | esac | |
207 | done | |
208 | ;; | |
119d24d1 | 209 | esac |
51d0e20c AJ |
210 | ], |
211 | # Enable some checks by default for development versions of GCC | |
212 | [ac_checking=1; ac_tree_checking=1; ac_gc_checking=1;]) | |
119d24d1 KG |
213 | if test x$ac_checking != x ; then |
214 | AC_DEFINE(ENABLE_CHECKING, 1, | |
215 | [Define if you want more run-time sanity checks. This one gets a grab | |
216 | bag of miscellaneous but relatively cheap checks.]) | |
217 | fi | |
218 | if test x$ac_tree_checking != x ; then | |
219 | AC_DEFINE(ENABLE_TREE_CHECKING, 1, | |
220 | [Define if you want all operations on trees (the basic data | |
221 | structure of the front ends) to be checked for dynamic type safety | |
222 | at runtime. This is moderately expensive.]) | |
223 | fi | |
224 | if test x$ac_rtl_checking != x ; then | |
225 | AC_DEFINE(ENABLE_RTL_CHECKING, 1, | |
226 | [Define if you want all operations on RTL (the basic data structure | |
227 | of the optimizer and back end) to be checked for dynamic type safety | |
228 | at runtime. This is quite expensive.]) | |
229 | fi | |
230 | if test x$ac_gc_checking != x ; then | |
231 | AC_DEFINE(ENABLE_GC_CHECKING, 1, | |
232 | [Define if you want the garbage collector to do object poisoning and | |
233 | other memory allocation checks. This is quite expensive.]) | |
234 | fi | |
235 | if test x$ac_gc_always_collect != x ; then | |
236 | AC_DEFINE(ENABLE_GC_ALWAYS_COLLECT, 1, | |
237 | [Define if you want the garbage collector to operate in maximally | |
238 | paranoid mode, validating the entire heap and collecting garbage at | |
239 | every opportunity. This is extremely expensive.]) | |
240 | fi | |
51d0e20c | 241 | |
a494747c | 242 | |
3ecc3258 ZW |
243 | AC_ARG_ENABLE(cpp, |
244 | [ --disable-cpp don't provide a user-visible C preprocessor.], | |
245 | [], [enable_cpp=yes]) | |
246 | ||
247 | AC_ARG_WITH(cpp_install_dir, | |
248 | [ --with-cpp-install-dir=DIR | |
249 | install the user visible C preprocessor in DIR | |
250 | (relative to PREFIX) as well as PREFIX/bin.], | |
251 | [if test x$withval = xyes; then | |
252 | AC_MSG_ERROR([option --with-cpp-install-dir requires an argument]) | |
253 | elif test x$withval != xno; then | |
254 | cpp_install_dir=$withval | |
255 | fi]) | |
256 | ||
c5c76735 JL |
257 | # Enable Multibyte Characters for C/C++ |
258 | AC_ARG_ENABLE(c-mbchar, | |
259 | [ --enable-c-mbchar Enable multibyte characters for C and C++.], | |
2618c083 | 260 | if test x$enable_c_mbchar != xno; then |
9ec7291f ZW |
261 | AC_DEFINE(MULTIBYTE_CHARS, 1, |
262 | [Define if you want the C and C++ compilers to support multibyte | |
263 | character sets for source code.]) | |
c5c76735 JL |
264 | fi) |
265 | ||
0bbb1697 RK |
266 | # Enable threads |
267 | # Pass with no value to take the default | |
268 | # Pass with a value to specify a thread package | |
269 | AC_ARG_ENABLE(threads, | |
270 | [ --enable-threads enable thread usage for target GCC. | |
981d4858 | 271 | --enable-threads=LIB use LIB thread package for target GCC.],, |
0bbb1697 RK |
272 | enable_threads='') |
273 | ||
e445171e | 274 | enable_threads_flag=$enable_threads |
0bbb1697 | 275 | # Check if a valid thread package |
e445171e | 276 | case x${enable_threads_flag} in |
0bbb1697 RK |
277 | x | xno) |
278 | # No threads | |
a851212a | 279 | target_thread_file='single' |
0bbb1697 RK |
280 | ;; |
281 | xyes) | |
282 | # default | |
a851212a | 283 | target_thread_file='' |
0bbb1697 RK |
284 | ;; |
285 | xdecosf1 | xirix | xmach | xos2 | xposix | xpthreads | xsingle | \ | |
a473fe45 | 286 | xsolaris | xwin32 | xdce | xvxworks | xaix) |
e445171e | 287 | target_thread_file=$enable_threads_flag |
0bbb1697 RK |
288 | ;; |
289 | *) | |
290 | echo "$enable_threads is an unknown thread package" 1>&2 | |
291 | exit 1 | |
292 | ;; | |
293 | esac | |
294 | ||
d8bb17c8 OP |
295 | AC_ARG_ENABLE(objc-gc, |
296 | [ --enable-objc-gc enable the use of Boehm's garbage collector with | |
297 | the GNU Objective-C runtime.], | |
2618c083 | 298 | if test x$enable_objc_gc = xno; then |
d8bb17c8 OP |
299 | objc_boehm_gc='' |
300 | else | |
301 | objc_boehm_gc=1 | |
302 | fi, | |
303 | objc_boehm_gc='') | |
304 | ||
90e6a802 | 305 | AC_ARG_WITH(dwarf2, |
756ee602 | 306 | [ --with-dwarf2 force the default debug format to be DWARF2.], |
90e6a802 RL |
307 | dwarf2="$with_dwarf2", |
308 | dwarf2=no) | |
309 | ||
50503ac8 RH |
310 | AC_ARG_ENABLE(shared, |
311 | [ --disable-shared don't provide a shared libgcc.], | |
312 | [], [enable_shared=yes]) | |
313 | AC_SUBST(enable_shared) | |
314 | ||
46f18e7b RK |
315 | # Determine the host, build, and target systems |
316 | AC_CANONICAL_SYSTEM | |
317 | ||
e9a25f70 JL |
318 | # Find the native compiler |
319 | AC_PROG_CC | |
3ec83fc2 | 320 | AC_PROG_CC_C_O |
b8dad04b | 321 | # autoconf is lame and doesn't give us any substitution variable for this. |
e38df833 | 322 | if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then |
b4c7e567 | 323 | NO_MINUS_C_MINUS_O=yes |
b8dad04b ZW |
324 | else |
325 | OUTPUT_OPTION='-o $@' | |
b4c7e567 | 326 | fi |
3ec83fc2 | 327 | AC_SUBST(NO_MINUS_C_MINUS_O) |
b8dad04b | 328 | AC_SUBST(OUTPUT_OPTION) |
3ec83fc2 | 329 | |
99e757d5 | 330 | gcc_AC_C_LONG_DOUBLE |
61842080 | 331 | |
97d81d66 JM |
332 | AC_CACHE_CHECK(whether ${CC-cc} accepts -Wno-long-long, |
333 | ac_cv_prog_cc_no_long_long, | |
334 | [save_CFLAGS="$CFLAGS" | |
335 | CFLAGS="-Wno-long-long" | |
336 | AC_TRY_COMPILE(,,ac_cv_prog_cc_no_long_long=yes, | |
337 | ac_cv_prog_cc_no_long_long=no) | |
338 | CFLAGS="$save_CFLAGS"]) | |
b8dad04b ZW |
339 | strict1_warn= |
340 | if test $ac_cv_prog_cc_no_long_long = yes; then | |
341 | strict1_warn="-pedantic -Wno-long-long" | |
342 | fi | |
343 | AC_SUBST(strict1_warn) | |
ff5def20 | 344 | |
61842080 MM |
345 | # If the native compiler is GCC, we can enable warnings even in stage1. |
346 | # That's useful for people building cross-compilers, or just running a | |
347 | # quick `make'. | |
b8dad04b ZW |
348 | warn_cflags= |
349 | if test "x$GCC" = "xyes"; then | |
350 | warn_cflags='$(GCC_WARN_CFLAGS)' | |
61842080 | 351 | fi |
b8dad04b | 352 | AC_SUBST(warn_cflags) |
5b67ad6f DA |
353 | |
354 | # Stage specific cflags for build. | |
b8dad04b | 355 | stage1_cflags= |
5b67ad6f DA |
356 | case $build in |
357 | vax-*-*) | |
358 | if test x$GCC = xyes | |
359 | then | |
b8dad04b | 360 | stage1_cflags="-Wa,-J" |
5b67ad6f | 361 | else |
b8dad04b | 362 | stage1_cflags="-J" |
5b67ad6f DA |
363 | fi |
364 | ;; | |
365 | esac | |
b8dad04b | 366 | AC_SUBST(stage1_cflags) |
61842080 | 367 | |
e9a25f70 JL |
368 | AC_PROG_MAKE_SET |
369 | ||
ab339d62 | 370 | AC_MSG_CHECKING([whether a default assembler was specified]) |
3ccc3a56 | 371 | if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then |
e154a394 | 372 | if test x"$gas_flag" = x"no"; then |
3ccc3a56 | 373 | AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER)]) |
ab339d62 | 374 | else |
3ccc3a56 | 375 | AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER - GNU as)]) |
ab339d62 AO |
376 | fi |
377 | else | |
378 | AC_MSG_RESULT(no) | |
379 | fi | |
380 | ||
381 | AC_MSG_CHECKING([whether a default linker was specified]) | |
3ccc3a56 | 382 | if test x"${DEFAULT_LINKER+set}" = x"set"; then |
e154a394 | 383 | if test x"$gnu_ld_flag" = x"no"; then |
3ccc3a56 | 384 | AC_MSG_RESULT([yes ($DEFAULT_LINKER)]) |
ab339d62 | 385 | else |
3ccc3a56 | 386 | AC_MSG_RESULT([yes ($DEFAULT_LINKER - GNU ld)]) |
ab339d62 AO |
387 | fi |
388 | else | |
389 | AC_MSG_RESULT(no) | |
390 | fi | |
391 | ||
4070d885 AJ |
392 | AC_MSG_CHECKING(for GNU C library) |
393 | AC_CACHE_VAL(gcc_cv_glibc, | |
394 | [AC_TRY_COMPILE( | |
395 | [#include <features.h>],[ | |
396 | #if ! (defined __GLIBC__ || defined __GNU_LIBRARY__) | |
397 | #error Not a GNU C library system | |
398 | #endif], | |
399 | [gcc_cv_glibc=yes], | |
400 | gcc_cv_glibc=no)]) | |
401 | AC_MSG_RESULT($gcc_cv_glibc) | |
c2f7d403 | 402 | if test $gcc_cv_glibc = yes; then |
4070d885 AJ |
403 | AC_DEFINE(_GNU_SOURCE, 1, [Always define this when using the GNU C Library]) |
404 | fi | |
4797e955 | 405 | |
603832a0 PT |
406 | AC_C_INLINE |
407 | ||
46f18e7b RK |
408 | # Find some useful tools |
409 | AC_PROG_AWK | |
99e757d5 KG |
410 | gcc_AC_PROG_LN |
411 | gcc_AC_PROG_LN_S | |
412 | gcc_AC_C_VOLATILE | |
46f18e7b | 413 | AC_PROG_RANLIB |
99e757d5 | 414 | gcc_AC_PROG_INSTALL |
46f18e7b | 415 | |
956d6950 JL |
416 | AC_HEADER_STDC |
417 | AC_HEADER_TIME | |
99e757d5 | 418 | gcc_AC_HEADER_STRING |
e9831ca0 | 419 | AC_HEADER_SYS_WAIT |
03c41c05 ZW |
420 | AC_CHECK_HEADERS(limits.h stddef.h string.h strings.h stdlib.h time.h \ |
421 | fcntl.h unistd.h stab.h sys/file.h sys/time.h \ | |
422 | sys/resource.h sys/param.h sys/times.h sys/stat.h \ | |
16abe34a | 423 | direct.h malloc.h langinfo.h iconv.h) |
7636d567 | 424 | |
f24af81b TT |
425 | # Check for thread headers. |
426 | AC_CHECK_HEADER(thread.h, [have_thread_h=yes], [have_thread_h=]) | |
427 | AC_CHECK_HEADER(pthread.h, [have_pthread_h=yes], [have_pthread_h=]) | |
428 | ||
bcf12124 JL |
429 | # See if GNAT has been installed |
430 | AC_CHECK_PROG(gnat, gnatbind, yes, no) | |
431 | ||
955be633 JM |
432 | # See if we have the mktemp command. |
433 | AC_CHECK_PROG(have_mktemp_command, mktemp, yes, no) | |
434 | ||
09fa0705 ZW |
435 | # Do we have a single-tree copy of texinfo? |
436 | if test -f $srcdir/../texinfo/Makefile.in; then | |
437 | MAKEINFO='$(objdir)/../texinfo/makeinfo/makeinfo' | |
438 | gcc_cv_prog_makeinfo_modern=yes | |
439 | AC_MSG_RESULT([Using makeinfo from the unified source tree.]) | |
440 | else | |
441 | # See if makeinfo has been installed and is modern enough | |
442 | # that we can use it. | |
443 | gcc_AC_CHECK_PROG_VER(MAKEINFO, makeinfo, --version, | |
444 | [GNU texinfo.* \([0-9][0-9.]*\)], | |
fd939e46 | 445 | [4.*]) |
09fa0705 ZW |
446 | fi |
447 | ||
448 | if test $gcc_cv_prog_makeinfo_modern = no; then | |
449 | AC_MSG_WARN([ | |
450 | *** Makeinfo is missing or too old. | |
17db6582 | 451 | *** Info documentation will not be built.]) |
09fa0705 | 452 | BUILD_INFO= |
09fa0705 ZW |
453 | else |
454 | BUILD_INFO=info AC_SUBST(BUILD_INFO) | |
09fa0705 ZW |
455 | fi |
456 | ||
3f896fc2 JM |
457 | # Is pod2man recent enough to regenerate manpages? |
458 | AC_MSG_CHECKING([for recent Pod::Man]) | |
459 | if perl -e 'use 1.10 Pod::Man' >/dev/null 2>&1; then | |
fd939e46 JM |
460 | AC_MSG_RESULT(yes) |
461 | GENERATED_MANPAGES=generated-manpages AC_SUBST(GENERATED_MANPAGES) | |
462 | else | |
463 | AC_MSG_RESULT(no) | |
464 | GENERATED_MANPAGES= | |
465 | fi | |
466 | ||
1e608388 ZW |
467 | # How about lex? |
468 | dnl Don't use AC_PROG_LEX; we insist on flex. | |
469 | dnl LEXLIB is not useful in gcc. | |
470 | if test -f $srcdir/../flex/skel.c; then | |
471 | FLEX='$(objdir)/../flex/flex' | |
472 | else | |
473 | AC_CHECK_PROG(FLEX, flex, flex, false) | |
474 | fi | |
475 | ||
476 | # Bison? | |
477 | # The -L switch is so bison can find its skeleton file. | |
478 | if test -f $srcdir/../bison/bison.simple; then | |
479 | BISON='$(objdir)/../bison/bison -L $(srcdir)/../bison/' | |
480 | else | |
481 | AC_CHECK_PROG(BISON, bison, bison, false) | |
482 | fi | |
483 | ||
890ad3ea KG |
484 | # See if the stage1 system preprocessor understands the ANSI C |
485 | # preprocessor stringification operator. | |
486 | AC_C_STRINGIZE | |
76844337 | 487 | |
7636d567 JW |
488 | # Use <inttypes.h> only if it exists, |
489 | # doesn't clash with <sys/types.h>, and declares intmax_t. | |
490 | AC_MSG_CHECKING(for inttypes.h) | |
491 | AC_CACHE_VAL(gcc_cv_header_inttypes_h, | |
492 | [AC_TRY_COMPILE( | |
493 | [#include <sys/types.h> | |
494 | #include <inttypes.h>], | |
495 | [intmax_t i = -1;], | |
9da0e39b | 496 | [gcc_cv_header_inttypes_h=yes], |
7636d567 JW |
497 | gcc_cv_header_inttypes_h=no)]) |
498 | AC_MSG_RESULT($gcc_cv_header_inttypes_h) | |
9da0e39b | 499 | if test $gcc_cv_header_inttypes_h = yes; then |
119d24d1 KG |
500 | AC_DEFINE(HAVE_INTTYPES_H, 1, |
501 | [Define if you have a working <inttypes.h> header file.]) | |
9da0e39b | 502 | fi |
cdcc6a01 | 503 | |
c149cc37 RL |
504 | # |
505 | # Determine if enumerated bitfields are unsigned. ISO C says they can | |
506 | # be either signed or unsigned. | |
507 | # | |
508 | AC_CACHE_CHECK(for unsigned enumerated bitfields, gcc_cv_enum_bf_unsigned, | |
509 | [AC_TRY_RUN(#include <stdlib.h> | |
510 | enum t { BLAH = 128 } ; | |
511 | struct s_t { enum t member : 8; } s ; | |
512 | int main(void) | |
513 | { | |
514 | s.member = BLAH; | |
515 | if (s.member < 0) exit(1); | |
516 | exit(0); | |
517 | ||
518 | }, gcc_cv_enum_bf_unsigned=yes, gcc_cv_enum_bf_unsigned=no, gcc_cv_enum_bf_unsigned=yes)]) | |
c149cc37 RL |
519 | if test $gcc_cv_enum_bf_unsigned = yes; then |
520 | AC_DEFINE(ENUM_BITFIELDS_ARE_UNSIGNED, 1, | |
521 | [Define if enumerated bitfields are treated as unsigned values.]) | |
522 | fi | |
523 | ||
2e09e75a JM |
524 | AC_CHECK_FUNCS(strtoul bsearch putenv popen bcopy \ |
525 | strchr strrchr kill getrlimit setrlimit atoll atoq \ | |
54953b66 | 526 | sysconf isascii gettimeofday strsignal putc_unlocked fputc_unlocked \ |
130fadbb | 527 | fputs_unlocked getrusage iconv nl_langinfo) |
a81fb89e | 528 | |
f12bc141 | 529 | AC_CHECK_TYPE(ssize_t, int) |
56f48ce9 | 530 | |
e256b8b6 DA |
531 | # Try to determine the array type of the second argument of getgroups |
532 | # for the target system (int or gid_t). | |
533 | AC_TYPE_GETGROUPS | |
534 | if test "${target}" = "${build}"; then | |
535 | TARGET_GETGROUPS_T=$ac_cv_type_getgroups | |
536 | else | |
537 | case "${target}" in | |
538 | # This condition may need some tweaking. It should include all | |
539 | # targets where the array type of the second argument of getgroups | |
540 | # is int and the type of gid_t is not equivalent to int. | |
541 | *-*-sunos* | *-*-ultrix*) | |
542 | TARGET_GETGROUPS_T=int | |
543 | ;; | |
544 | *) | |
545 | TARGET_GETGROUPS_T=gid_t | |
546 | ;; | |
547 | esac | |
548 | fi | |
549 | AC_SUBST(TARGET_GETGROUPS_T) | |
550 | ||
99e757d5 | 551 | gcc_AC_FUNC_VFPRINTF_DOPRNT |
b3e1e64f | 552 | gcc_AC_FUNC_STRSTR |
99e757d5 | 553 | gcc_AC_FUNC_PRINTF_PTR |
b27d2bd5 MK |
554 | |
555 | case "${host}" in | |
556 | *-*-uwin*) | |
34fa3e7d MM |
557 | AC_MSG_ERROR([ |
558 | *** UWIN may not be used as a host platform because | |
559 | *** linking with posix.dll is not allowed by the GNU GPL]) | |
b27d2bd5 MK |
560 | ;; |
561 | esac | |
c375c43b | 562 | AC_FUNC_VFORK |
4acab94b | 563 | AC_FUNC_MMAP_ANYWHERE |
56f02b88 | 564 | AC_FUNC_MMAP_FILE |
f1b54f9b | 565 | |
86cf1cbd KG |
566 | # We will need to find libiberty.h and ansidecl.h |
567 | saved_CFLAGS="$CFLAGS" | |
568 | CFLAGS="$CFLAGS -I${srcdir} -I${srcdir}/../include" | |
2e09e75a JM |
569 | gcc_AC_CHECK_DECLS(bcopy \ |
570 | getenv atol sbrk abort atof getcwd getwd \ | |
86cf1cbd | 571 | strsignal putc_unlocked fputs_unlocked strstr environ \ |
f31e826b | 572 | malloc realloc calloc free basename getopt, , ,[ |
86cf1cbd KG |
573 | #include "gansidecl.h" |
574 | #include "system.h"]) | |
c5c76735 | 575 | |
f31e826b | 576 | gcc_AC_CHECK_DECLS(getrlimit setrlimit getrusage, , ,[ |
86cf1cbd KG |
577 | #include "gansidecl.h" |
578 | #include "system.h" | |
d2cabf16 KG |
579 | #ifdef HAVE_SYS_RESOURCE_H |
580 | #include <sys/resource.h> | |
581 | #endif | |
582 | ]) | |
583 | ||
86cf1cbd KG |
584 | # Restore CFLAGS from before the gcc_AC_NEED_DECLARATIONS tests. |
585 | CFLAGS="$saved_CFLAGS" | |
586 | ||
75923b2f | 587 | # mkdir takes a single argument on some systems. |
99e757d5 | 588 | gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG |
75923b2f | 589 | |
46f18e7b RK |
590 | # File extensions |
591 | manext='.1' | |
592 | objext='.o' | |
46f18e7b RK |
593 | AC_SUBST(manext) |
594 | AC_SUBST(objext) | |
46f18e7b RK |
595 | |
596 | build_xm_file= | |
61536478 | 597 | build_xm_defines= |
46f18e7b RK |
598 | build_install_headers_dir=install-headers-tar |
599 | build_exeext= | |
600 | host_xm_file= | |
61536478 | 601 | host_xm_defines= |
46f18e7b RK |
602 | host_xmake_file= |
603 | host_truncate_target= | |
6e26218f | 604 | host_exeext= |
46f18e7b RK |
605 | |
606 | # Decode the host machine, then the target machine. | |
607 | # For the host machine, we save the xm_file variable as host_xm_file; | |
608 | # then we decode the target machine and forget everything else | |
609 | # that came from the host machine. | |
610 | for machine in $build $host $target; do | |
61ed06c3 | 611 | . ${srcdir}/config.gcc |
46f18e7b RK |
612 | done |
613 | ||
614 | extra_objs="${host_extra_objs} ${extra_objs}" | |
615 | ||
616 | # Default the target-machine variables that were not explicitly set. | |
75bffa71 | 617 | if test x"$tm_file" = x |
46f18e7b RK |
618 | then tm_file=$cpu_type/$cpu_type.h; fi |
619 | ||
6b2adea9 | 620 | if test x"$extra_headers" = x |
46f18e7b RK |
621 | then extra_headers=; fi |
622 | ||
75bffa71 | 623 | if test x"$xm_file" = x |
46f18e7b RK |
624 | then xm_file=$cpu_type/xm-$cpu_type.h; fi |
625 | ||
75bffa71 | 626 | if test x$md_file = x |
e98e406f | 627 | then md_file=$cpu_type/$cpu_type.md; fi |
46f18e7b | 628 | |
75bffa71 | 629 | if test x$out_file = x |
46f18e7b RK |
630 | then out_file=$cpu_type/$cpu_type.c; fi |
631 | ||
75bffa71 | 632 | if test x"$tmake_file" = x |
46f18e7b RK |
633 | then tmake_file=$cpu_type/t-$cpu_type |
634 | fi | |
635 | ||
90e6a802 | 636 | if test x"$dwarf2" = xyes |
756ee602 | 637 | then tm_file="$tm_file tm-dwarf2.h" |
90e6a802 RL |
638 | fi |
639 | ||
75bffa71 | 640 | if test x$float_format = x |
46f18e7b RK |
641 | then float_format=i64 |
642 | fi | |
643 | ||
027ea2a7 JW |
644 | if test $float_format = none |
645 | then float_h_file=Makefile.in | |
646 | else float_h_file=float-$float_format.h | |
647 | fi | |
648 | ||
9fc9b82a | 649 | # Handle cpp installation. |
3ecc3258 | 650 | if test x$enable_cpp != xno |
9fc9b82a L |
651 | then |
652 | tmake_file="$tmake_file t-install-cpp" | |
653 | fi | |
654 | ||
46f18e7b RK |
655 | # Say what files are being used for the output code and MD file. |
656 | echo "Using \`$srcdir/config/$out_file' to output insns." | |
657 | echo "Using \`$srcdir/config/$md_file' as machine description file." | |
658 | ||
659 | count=a | |
660 | for f in $tm_file; do | |
661 | count=${count}x | |
662 | done | |
75bffa71 | 663 | if test $count = ax; then |
46f18e7b RK |
664 | echo "Using \`$srcdir/config/$tm_file' as target machine macro file." |
665 | else | |
666 | echo "Using the following target machine macro files:" | |
667 | for f in $tm_file; do | |
668 | echo " $srcdir/config/$f" | |
669 | done | |
670 | fi | |
671 | ||
672 | count=a | |
673 | for f in $host_xm_file; do | |
674 | count=${count}x | |
675 | done | |
75bffa71 | 676 | if test $count = ax; then |
46f18e7b RK |
677 | echo "Using \`$srcdir/config/$host_xm_file' as host machine macro file." |
678 | else | |
679 | echo "Using the following host machine macro files:" | |
680 | for f in $host_xm_file; do | |
681 | echo " $srcdir/config/$f" | |
682 | done | |
683 | fi | |
684 | ||
75bffa71 | 685 | if test "$host_xm_file" != "$build_xm_file"; then |
46f18e7b RK |
686 | count=a |
687 | for f in $build_xm_file; do | |
688 | count=${count}x | |
689 | done | |
75bffa71 | 690 | if test $count = ax; then |
46f18e7b RK |
691 | echo "Using \`$srcdir/config/$build_xm_file' as build machine macro file." |
692 | else | |
693 | echo "Using the following build machine macro files:" | |
694 | for f in $build_xm_file; do | |
695 | echo " $srcdir/config/$f" | |
696 | done | |
697 | fi | |
698 | fi | |
699 | ||
75bffa71 ILT |
700 | if test x$thread_file = x; then |
701 | if test x$target_thread_file != x; then | |
a851212a JW |
702 | thread_file=$target_thread_file |
703 | else | |
704 | thread_file='single' | |
705 | fi | |
46f18e7b | 706 | fi |
46f18e7b RK |
707 | |
708 | # Set up the header files. | |
709 | # $links is the list of header files to create. | |
710 | # $vars is the list of shell variables with file names to include. | |
b7cb92ad | 711 | # auto-host.h is the file containing items generated by autoconf and is |
e9a25f70 | 712 | # the first file included by config.h. |
61536478 | 713 | null_defines= |
c913b6f1 | 714 | host_xm_file="auto-host.h gansidecl.h ${host_xm_file} defaults.h hwint.h" |
db81d74a | 715 | |
b7cb92ad | 716 | # If host=build, it is correct to have hconfig include auto-host.h |
db81d74a RH |
717 | # as well. If host!=build, we are in error and need to do more |
718 | # work to find out the build config parameters. | |
75bffa71 | 719 | if test x$host = x$build |
db81d74a | 720 | then |
c913b6f1 | 721 | build_xm_file="auto-host.h gansidecl.h ${build_xm_file} defaults.h hwint.h" |
b7cb92ad JL |
722 | else |
723 | # We create a subdir, then run autoconf in the subdir. | |
724 | # To prevent recursion we set host and build for the new | |
725 | # invocation of configure to the build for this invocation | |
726 | # of configure. | |
727 | tempdir=build.$$ | |
728 | rm -rf $tempdir | |
729 | mkdir $tempdir | |
730 | cd $tempdir | |
731 | case ${srcdir} in | |
b86ecfa9 | 732 | /* | [A-Za-z]:[\\/]* ) realsrcdir=${srcdir};; |
b7cb92ad JL |
733 | *) realsrcdir=../${srcdir};; |
734 | esac | |
fe81dd69 | 735 | CC=${CC_FOR_BUILD} ${realsrcdir}/configure \ |
b7cb92ad JL |
736 | --target=$target --host=$build --build=$build |
737 | ||
738 | # We just finished tests for the build machine, so rename | |
739 | # the file auto-build.h in the gcc directory. | |
740 | mv auto-host.h ../auto-build.h | |
741 | cd .. | |
742 | rm -rf $tempdir | |
c913b6f1 | 743 | build_xm_file="auto-build.h gansidecl.h ${build_xm_file} defaults.h hwint.h" |
db81d74a RH |
744 | fi |
745 | ||
c913b6f1 KG |
746 | xm_file="gansidecl.h ${xm_file} defaults.h" |
747 | tm_file="gansidecl.h ${tm_file} defaults.h" | |
0056a9b5 | 748 | |
6baf1cc8 BS |
749 | vars="host_xm_file tm_file tm_p_file xm_file build_xm_file" |
750 | links="config.h tm.h tm_p.h tconfig.h hconfig.h" | |
751 | defines="host_xm_defines null_defines null_defines xm_defines build_xm_defines" | |
46f18e7b RK |
752 | |
753 | rm -f config.bak | |
75bffa71 | 754 | if test -f config.status; then mv -f config.status config.bak; fi |
46f18e7b RK |
755 | |
756 | # Make the links. | |
75bffa71 | 757 | while test -n "$vars" |
46f18e7b | 758 | do |
46f18e7b RK |
759 | set $vars; var=$1; shift; vars=$* |
760 | set $links; link=$1; shift; links=$* | |
61536478 | 761 | set $defines; define=$1; shift; defines=$* |
46f18e7b RK |
762 | |
763 | rm -f $link | |
6baf1cc8 BS |
764 | # Make sure the file is created, even if it is empty. |
765 | echo >$link | |
46f18e7b RK |
766 | |
767 | # Define TARGET_CPU_DEFAULT if the system wants one. | |
768 | # This substitutes for lots of *.h files. | |
75bffa71 | 769 | if test "$target_cpu_default" != "" -a $link = tm.h |
46f18e7b | 770 | then |
8fbf199e | 771 | echo "#define TARGET_CPU_DEFAULT ($target_cpu_default)" >>$link |
46f18e7b RK |
772 | fi |
773 | ||
774 | for file in `eval echo '$'$var`; do | |
ab87f8c8 | 775 | case $file in |
6efa1582 | 776 | auto-host.h | auto-build.h ) |
ab87f8c8 JL |
777 | ;; |
778 | *) | |
779 | echo '#ifdef IN_GCC' >>$link | |
780 | ;; | |
781 | esac | |
46f18e7b | 782 | echo "#include \"$file\"" >>$link |
ab87f8c8 | 783 | case $file in |
6efa1582 | 784 | auto-host.h | auto-build.h ) |
ab87f8c8 JL |
785 | ;; |
786 | *) | |
787 | echo '#endif' >>$link | |
788 | ;; | |
789 | esac | |
46f18e7b | 790 | done |
61536478 JL |
791 | |
792 | for def in `eval echo '$'$define`; do | |
793 | echo "#ifndef $def" >>$link | |
794 | echo "#define $def" >>$link | |
795 | echo "#endif" >>$link | |
796 | done | |
04d430b8 AO |
797 | |
798 | if test $link = tm.h | |
799 | then | |
800 | # Include insn-codes.h last, because it includes machmode.h, | |
801 | # and we want EXTRA_CC_MODES to be taken into account. | |
802 | echo "#ifndef GENERATOR_FILE" >>$link | |
803 | echo "#include \"insn-codes.h\"" >>$link | |
804 | echo "#endif" >>$link | |
805 | fi | |
46f18e7b RK |
806 | done |
807 | ||
808 | # Truncate the target if necessary | |
75bffa71 | 809 | if test x$host_truncate_target != x; then |
46f18e7b RK |
810 | target=`echo $target | sed -e 's/\(..............\).*/\1/'` |
811 | fi | |
812 | ||
f1943b77 | 813 | # Get the version trigger filename from the toplevel |
75bffa71 | 814 | if test "${with_gcc_version_trigger+set}" = set; then |
f1943b77 MH |
815 | gcc_version_trigger=$with_gcc_version_trigger |
816 | else | |
817 | gcc_version_trigger=${srcdir}/version.c | |
818 | fi | |
75bffa71 | 819 | changequote(,)dnl |
8763704d JM |
820 | gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([^\"]*\)\".*/\1/'` |
821 | gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'` | |
cc1e60ea JM |
822 | |
823 | # Compile in configure arguments. | |
8105825d | 824 | if test -f configargs.h ; then |
cc1e60ea JM |
825 | # Being re-configured. |
826 | gcc_config_arguments=`grep configuration_arguments configargs.h | sed -e 's/.*\"\([^\"]*\)\".*/\1/'` | |
827 | gcc_config_arguments="$gcc_config_arguments : (reconfigured) $TOPLEVEL_CONFIGURE_ARGUMENTS" | |
828 | else | |
829 | gcc_config_arguments="$TOPLEVEL_CONFIGURE_ARGUMENTS" | |
830 | fi | |
831 | cat > configargs.h <<EOF | |
832 | /* Generated automatically. */ | |
833 | static const char configuration_arguments[] = "$gcc_config_arguments"; | |
834 | EOF | |
75bffa71 | 835 | changequote([,])dnl |
46f18e7b | 836 | |
ab87f8c8 JL |
837 | # Internationalization |
838 | PACKAGE=gcc | |
839 | VERSION="$gcc_version" | |
119d24d1 KG |
840 | AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", |
841 | [Define to the name of the distribution.]) | |
842 | AC_DEFINE_UNQUOTED(VERSION, "$VERSION", | |
843 | [Define to the version of the distribution.]) | |
ab87f8c8 JL |
844 | AC_SUBST(PACKAGE) |
845 | AC_SUBST(VERSION) | |
846 | ||
2be36552 | 847 | ALL_LINGUAS="sv" |
ab87f8c8 | 848 | |
dc6746e7 | 849 | # Enable NLS support by default |
ab87f8c8 | 850 | AC_ARG_ENABLE(nls, |
dc6746e7 PT |
851 | [ --enable-nls use Native Language Support (default)], |
852 | , enable_nls=yes) | |
853 | ||
854 | # if cross compiling, disable NLS support. | |
855 | # It's not worth the trouble, at least for now. | |
856 | ||
063a4b85 | 857 | if test "${build}" != "${host}" && test "x$enable_nls" = "xyes"; then |
dc6746e7 PT |
858 | AC_MSG_WARN(Disabling NLS support for canadian cross compiler.) |
859 | enable_nls=no | |
860 | fi | |
ab87f8c8 | 861 | |
4adee315 PT |
862 | # if NLS is enabled, also enable check in po subdir |
863 | if test $enable_nls = yes; then | |
864 | CHECK_PO=check-po | |
865 | else | |
866 | CHECK_PO="" | |
867 | fi | |
868 | ||
869 | AC_SUBST(CHECK_PO) | |
870 | ||
ab87f8c8 JL |
871 | AM_GNU_GETTEXT |
872 | XGETTEXT="AWK='$AWK' \$(SHELL) \$(top_srcdir)/exgettext $XGETTEXT" | |
873 | ||
f4ab28e3 MK |
874 | # Windows32 Registry support for specifying GCC installation paths. |
875 | AC_ARG_ENABLE(win32-registry, | |
876 | [ --disable-win32-registry | |
877 | Disable lookup of installation paths in the | |
878 | Registry on Windows hosts. | |
879 | --enable-win32-registry Enable registry lookup (default). | |
880 | --enable-win32-registry=KEY | |
881 | Use KEY instead of GCC version as the last portion | |
882 | of the registry key.],,) | |
883 | ||
884 | AC_MSG_CHECKING(whether windows registry support is requested) | |
885 | if test x$enable_win32_registry != xno; then | |
119d24d1 KG |
886 | AC_DEFINE(ENABLE_WIN32_REGISTRY, 1, |
887 | [Define to 1 if installation paths should be looked up in Windows32 | |
91029a29 | 888 | Registry. Ignored on non windows32 hosts.]) |
f4ab28e3 MK |
889 | AC_MSG_RESULT(yes) |
890 | else | |
891 | AC_MSG_RESULT(no) | |
892 | fi | |
893 | ||
894 | # Check if user specified a different registry key. | |
895 | case x${enable_win32_registry} in | |
896 | x | xyes) | |
897 | # default. | |
898 | gcc_cv_win32_registry_key="$VERSION" | |
899 | ;; | |
900 | xno) | |
901 | # no registry lookup. | |
902 | gcc_cv_win32_registry_key='' | |
903 | ;; | |
904 | *) | |
905 | # user-specified key. | |
906 | gcc_cv_win32_registry_key="$enable_win32_registry" | |
907 | ;; | |
908 | esac | |
909 | ||
910 | if test x$enable_win32_registry != xno; then | |
911 | AC_MSG_CHECKING(registry key on windows hosts) | |
119d24d1 KG |
912 | AC_DEFINE_UNQUOTED(WIN32_REGISTRY_KEY, "$gcc_cv_win32_registry_key", |
913 | [Define to be the last portion of registry key on windows hosts.]) | |
f4ab28e3 MK |
914 | AC_MSG_RESULT($gcc_cv_win32_registry_key) |
915 | fi | |
916 | ||
7fa10b25 RK |
917 | # Get an absolute path to the GCC top-level source directory |
918 | holddir=`pwd` | |
919 | cd $srcdir | |
920 | topdir=`pwd` | |
921 | cd $holddir | |
922 | ||
af5e4ada | 923 | # Conditionalize the makefile for this host machine. |
94f42018 DE |
924 | # Make-host contains the concatenation of all host makefile fragments |
925 | # [there can be more than one]. This file is built by configure.frag. | |
926 | host_overrides=Make-host | |
af5e4ada | 927 | dep_host_xmake_file= |
94f42018 DE |
928 | for f in .. ${host_xmake_file} |
929 | do | |
75bffa71 | 930 | if test -f ${srcdir}/config/$f |
94f42018 DE |
931 | then |
932 | dep_host_xmake_file="${dep_host_xmake_file} ${srcdir}/config/$f" | |
933 | fi | |
934 | done | |
46f18e7b | 935 | |
af5e4ada | 936 | # Conditionalize the makefile for this target machine. |
94f42018 DE |
937 | # Make-target contains the concatenation of all host makefile fragments |
938 | # [there can be more than one]. This file is built by configure.frag. | |
939 | target_overrides=Make-target | |
af5e4ada | 940 | dep_tmake_file= |
94f42018 DE |
941 | for f in .. ${tmake_file} |
942 | do | |
75bffa71 | 943 | if test -f ${srcdir}/config/$f |
94f42018 DE |
944 | then |
945 | dep_tmake_file="${dep_tmake_file} ${srcdir}/config/$f" | |
946 | fi | |
947 | done | |
5891b37d | 948 | |
af5e4ada DE |
949 | # If the host doesn't support symlinks, modify CC in |
950 | # FLAGS_TO_PASS so CC="stage1/xgcc -Bstage1/" works. | |
951 | # Otherwise, we can use "CC=$(CC)". | |
952 | rm -f symtest.tem | |
61536478 | 953 | if $symbolic_link $srcdir/gcc.c symtest.tem 2>/dev/null |
af5e4ada DE |
954 | then |
955 | cc_set_by_configure="\$(CC)" | |
5aa82ace | 956 | quoted_cc_set_by_configure="\$(CC)" |
af5e4ada DE |
957 | stage_prefix_set_by_configure="\$(STAGE_PREFIX)" |
958 | else | |
61536478 JL |
959 | rm -f symtest.tem |
960 | if cp -p $srcdir/gcc.c symtest.tem 2>/dev/null | |
961 | then | |
962 | symbolic_link="cp -p" | |
963 | else | |
964 | symbolic_link="cp" | |
965 | fi | |
af5e4ada | 966 | cc_set_by_configure="\`case '\$(CC)' in stage*) echo '\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\$(CC)';; esac\`" |
5aa82ace | 967 | quoted_cc_set_by_configure="\\\`case '\\\$(CC)' in stage*) echo '\\\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(CC)';; esac\\\`" |
af5e4ada DE |
968 | stage_prefix_set_by_configure="\`case '\$(STAGE_PREFIX)' in stage*) echo '\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\$(STAGE_PREFIX)';; esac\`" |
969 | fi | |
970 | rm -f symtest.tem | |
5891b37d | 971 | |
af5e4ada | 972 | out_object_file=`basename $out_file .c`.o |
5891b37d | 973 | |
af5e4ada DE |
974 | tm_file_list= |
975 | for f in $tm_file; do | |
64ccbc99 | 976 | case $f in |
c913b6f1 | 977 | gansidecl.h | defaults.h ) |
64ccbc99 KG |
978 | tm_file_list="${tm_file_list} $f" ;; |
979 | *) tm_file_list="${tm_file_list} \$(srcdir)/config/$f" ;; | |
980 | esac | |
af5e4ada | 981 | done |
46f18e7b | 982 | |
af5e4ada DE |
983 | host_xm_file_list= |
984 | for f in $host_xm_file; do | |
64ccbc99 | 985 | case $f in |
c913b6f1 | 986 | auto-host.h | gansidecl.h | defaults.h | hwint.h ) |
64ccbc99 KG |
987 | host_xm_file_list="${host_xm_file_list} $f" ;; |
988 | *) host_xm_file_list="${host_xm_file_list} \$(srcdir)/config/$f" ;; | |
989 | esac | |
af5e4ada DE |
990 | done |
991 | ||
992 | build_xm_file_list= | |
993 | for f in $build_xm_file; do | |
64ccbc99 | 994 | case $f in |
c913b6f1 | 995 | auto-build.h | auto-host.h | gansidecl.h | defaults.h | hwint.h ) |
64ccbc99 KG |
996 | build_xm_file_list="${build_xm_file_list} $f" ;; |
997 | *) build_xm_file_list="${build_xm_file_list} \$(srcdir)/config/$f" ;; | |
998 | esac | |
af5e4ada | 999 | done |
46f18e7b | 1000 | |
af5e4ada DE |
1001 | # Define macro CROSS_COMPILE in compilation |
1002 | # if this is a cross-compiler. | |
1003 | # Also use all.cross instead of all.internal | |
1004 | # and add cross-make to Makefile. | |
571a8de5 | 1005 | cross_overrides="/dev/null" |
75bffa71 | 1006 | if test x$host != x$target |
af5e4ada DE |
1007 | then |
1008 | cross_defines="CROSS=-DCROSS_COMPILE" | |
1009 | cross_overrides="${topdir}/cross-make" | |
1010 | fi | |
46f18e7b | 1011 | |
b39d221a EC |
1012 | # If this is a cross-compiler that does not |
1013 | # have its own set of headers then define | |
1014 | # inhibit_libc | |
1015 | ||
1016 | # If this is using newlib, then define inhibit_libc in | |
1017 | # LIBGCC2_CFLAGS. This will cause __eprintf to be left out of | |
1018 | # libgcc.a, but that's OK because newlib should have its own version of | |
1019 | # assert.h. | |
1020 | inhibit_libc= | |
1021 | if [test x$host != x$target] && [test x$with_headers = x]; then | |
1022 | inhibit_libc=-Dinhibit_libc | |
1023 | else | |
1024 | if [test x$with_newlib = xyes]; then | |
1025 | inhibit_libc=-Dinhibit_libc | |
1026 | fi | |
1027 | fi | |
1028 | AC_SUBST(inhibit_libc) | |
1029 | ||
af5e4ada DE |
1030 | # When building gcc with a cross-compiler, we need to fix a few things. |
1031 | # This must come after cross-make as we want all.build to override | |
1032 | # all.cross. | |
571a8de5 | 1033 | build_overrides="/dev/null" |
75bffa71 | 1034 | if test x$build != x$host |
af5e4ada DE |
1035 | then |
1036 | build_overrides="${topdir}/build-make" | |
1037 | fi | |
46f18e7b | 1038 | |
ae3a15bb DE |
1039 | # Expand extra_headers to include complete path. |
1040 | # This substitutes for lots of t-* files. | |
1041 | extra_headers_list= | |
75bffa71 | 1042 | if test "x$extra_headers" = x |
ae3a15bb DE |
1043 | then true |
1044 | else | |
1045 | # Prepend ${srcdir}/ginclude/ to every entry in extra_headers. | |
1046 | for file in $extra_headers; | |
1047 | do | |
1048 | extra_headers_list="${extra_headers_list} \$(srcdir)/ginclude/${file}" | |
1049 | done | |
1050 | fi | |
1051 | ||
75bffa71 | 1052 | if test x$use_collect2 = xno; then |
2ce3c6c6 JM |
1053 | use_collect2= |
1054 | fi | |
1055 | ||
af5e4ada DE |
1056 | # Add a definition of USE_COLLECT2 if system wants one. |
1057 | # Also tell toplev.c what to do. | |
1058 | # This substitutes for lots of t-* files. | |
75bffa71 | 1059 | if test x$use_collect2 = x |
af5e4ada DE |
1060 | then |
1061 | will_use_collect2= | |
1062 | maybe_use_collect2= | |
1063 | else | |
10da1131 | 1064 | will_use_collect2="collect2" |
af5e4ada DE |
1065 | maybe_use_collect2="-DUSE_COLLECT2" |
1066 | fi | |
1067 | ||
af5e4ada | 1068 | # If we have gas in the build tree, make a link to it. |
75bffa71 | 1069 | if test -f ../gas/Makefile; then |
6e26218f | 1070 | rm -f as; $symbolic_link ../gas/as-new$host_exeext as$host_exeext 2>/dev/null |
af5e4ada DE |
1071 | fi |
1072 | ||
4b95eb49 | 1073 | # If we have nm in the build tree, make a link to it. |
75bffa71 | 1074 | if test -f ../binutils/Makefile; then |
4b95eb49 JL |
1075 | rm -f nm; $symbolic_link ../binutils/nm-new$host_exeext nm$host_exeext 2>/dev/null |
1076 | fi | |
1077 | ||
af5e4ada | 1078 | # If we have ld in the build tree, make a link to it. |
75bffa71 ILT |
1079 | if test -f ../ld/Makefile; then |
1080 | # if test x$use_collect2 = x; then | |
6e26218f | 1081 | # rm -f ld; $symbolic_link ../ld/ld-new$host_exeext ld$host_exeext 2>/dev/null |
aa32d841 | 1082 | # else |
6e26218f | 1083 | rm -f collect-ld; $symbolic_link ../ld/ld-new$host_exeext collect-ld$host_exeext 2>/dev/null |
aa32d841 | 1084 | # fi |
af5e4ada DE |
1085 | fi |
1086 | ||
981d4858 JM |
1087 | # Figure out what assembler we will be using. |
1088 | AC_MSG_CHECKING(what assembler to use) | |
9e423e6d | 1089 | gcc_cv_as= |
981d4858 JM |
1090 | gcc_cv_gas_major_version= |
1091 | gcc_cv_gas_minor_version= | |
a2f319ea | 1092 | gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/gas |
3ccc3a56 AO |
1093 | if test -x "$DEFAULT_ASSEMBLER"; then |
1094 | gcc_cv_as="$DEFAULT_ASSEMBLER" | |
1095 | elif test -x "$AS"; then | |
1096 | gcc_cv_as="$AS" | |
ab339d62 | 1097 | elif test -x as$host_exeext; then |
9e423e6d JW |
1098 | # Build using assembler in the current directory. |
1099 | gcc_cv_as=./as$host_exeext | |
5585c1bc | 1100 | elif test -f $gcc_cv_as_gas_srcdir/configure.in -a -f ../gas/Makefile; then |
9e423e6d | 1101 | # Single tree build which includes gas. |
a2c9d57c | 1102 | for f in $gcc_cv_as_gas_srcdir/configure $gcc_cv_as_gas_srcdir/configure.in $gcc_cv_as_gas_srcdir/Makefile.in |
9e423e6d | 1103 | do |
75bffa71 ILT |
1104 | changequote(,)dnl |
1105 | gcc_cv_gas_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f` | |
1106 | changequote([,])dnl | |
1107 | if test x$gcc_cv_gas_version != x; then | |
9e423e6d JW |
1108 | break |
1109 | fi | |
1110 | done | |
75bffa71 ILT |
1111 | changequote(,)dnl |
1112 | gcc_cv_gas_major_version=`expr "$gcc_cv_gas_version" : "VERSION=\([0-9]*\)"` | |
1113 | gcc_cv_gas_minor_version=`expr "$gcc_cv_gas_version" : "VERSION=[0-9]*\.\([0-9]*\)"` | |
1114 | changequote([,])dnl | |
981d4858 JM |
1115 | fi |
1116 | ||
1117 | if test "x$gcc_cv_as" = x -a x$host = x$target; then | |
9e423e6d | 1118 | # Native build. |
779243f7 JL |
1119 | # Search the same directories that the installed compiler will |
1120 | # search. Else we may find the wrong assembler and lose. If we | |
1121 | # do not find a suitable assembler binary, then try the user's | |
1122 | # path. | |
1123 | # | |
1124 | # Also note we have to check MD_EXEC_PREFIX before checking the | |
1125 | # user's path. Unfortunately, there is no good way to get at the | |
1126 | # value of MD_EXEC_PREFIX here. So we do a brute force search | |
1127 | # through all the known MD_EXEC_PREFIX values. Ugh. This needs | |
1128 | # to be fixed as part of the make/configure rewrite too. | |
1129 | ||
1130 | if test "x$exec_prefix" = xNONE; then | |
1131 | if test "x$prefix" = xNONE; then | |
1132 | test_prefix=/usr/local | |
1133 | else | |
1134 | test_prefix=$prefix | |
1135 | fi | |
1136 | else | |
1137 | test_prefix=$exec_prefix | |
1138 | fi | |
1139 | ||
1140 | # If the loop below does not find an assembler, then use whatever | |
1141 | # one we can find in the users's path. | |
1142 | # user's path. | |
1143 | as=as$host_exeext | |
1144 | ||
1145 | test_dirs="$test_prefix/lib/gcc-lib/$target/$gcc_version \ | |
1146 | $test_prefix/lib/gcc-lib/$target \ | |
1147 | /usr/lib/gcc/$target/$gcc_version \ | |
1148 | /usr/lib/gcc/$target \ | |
1149 | $test_prefix/$target/bin/$target/$gcc_version \ | |
1150 | $test_prefix/$target/bin \ | |
1151 | /usr/libexec \ | |
1152 | /usr/ccs/gcc \ | |
1153 | /usr/ccs/bin \ | |
1154 | /udk/usr/ccs/bin \ | |
1155 | /bsd43/usr/lib/cmplrs/cc \ | |
1156 | /usr/cross64/usr/bin \ | |
1157 | /usr/lib/cmplrs/cc \ | |
1158 | /sysv/usr/lib/cmplrs/cc \ | |
1159 | /svr4/usr/lib/cmplrs/cc \ | |
1160 | /usr/bin" | |
1161 | ||
1162 | for dir in $test_dirs; do | |
1163 | if test -f $dir/as$host_exeext; then | |
1164 | gcc_cv_as=$dir/as$host_exeext | |
1165 | break; | |
1166 | fi | |
1167 | done | |
9e423e6d | 1168 | fi |
981d4858 JM |
1169 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then |
1170 | AC_MSG_RESULT("newly built gas") | |
1171 | else | |
1172 | AC_MSG_RESULT($gcc_cv_as) | |
1173 | fi | |
1174 | ||
1175 | # Figure out what nm we will be using. | |
1176 | AC_MSG_CHECKING(what nm to use) | |
1177 | if test -x nm$host_exeext; then | |
1178 | gcc_cv_nm=./nm$host_exeext | |
1179 | elif test x$host = x$target; then | |
1180 | # Native build. | |
1181 | gcc_cv_nm=nm$host_exeext | |
1182 | fi | |
1183 | AC_MSG_RESULT($gcc_cv_nm) | |
1184 | ||
1185 | # Figure out what assembler alignment features are present. | |
1186 | AC_MSG_CHECKING(assembler alignment features) | |
9d147085 | 1187 | gcc_cv_as_alignment_features=none |
981d4858 JM |
1188 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then |
1189 | # Gas version 2.6 and later support for .balign and .p2align. | |
1190 | # bytes to skip when using .p2align. | |
1191 | if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 6 -o "$gcc_cv_gas_major_version" -gt 2; then | |
1192 | gcc_cv_as_alignment_features=".balign and .p2align" | |
1193 | AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN) | |
1194 | fi | |
1195 | # Gas version 2.8 and later support specifying the maximum | |
1196 | # bytes to skip when using .p2align. | |
1197 | if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 8 -o "$gcc_cv_gas_major_version" -gt 2; then | |
1198 | gcc_cv_as_alignment_features=".p2align including maximum skip" | |
1199 | AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN) | |
1200 | fi | |
1201 | elif test x$gcc_cv_as != x; then | |
00ccc16d JL |
1202 | # Check if we have .balign and .p2align |
1203 | echo ".balign 4" > conftest.s | |
1204 | echo ".p2align 2" >> conftest.s | |
1205 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
1206 | gcc_cv_as_alignment_features=".balign and .p2align" | |
1207 | AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN) | |
1208 | fi | |
1209 | rm -f conftest.s conftest.o | |
9e423e6d JW |
1210 | # Check if specifying the maximum bytes to skip when |
1211 | # using .p2align is supported. | |
1212 | echo ".p2align 4,,7" > conftest.s | |
1213 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
1214 | gcc_cv_as_alignment_features=".p2align including maximum skip" | |
1215 | AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN) | |
1216 | fi | |
1217 | rm -f conftest.s conftest.o | |
1218 | fi | |
1219 | AC_MSG_RESULT($gcc_cv_as_alignment_features) | |
1220 | ||
d1accaa3 | 1221 | AC_MSG_CHECKING(assembler subsection support) |
9d147085 | 1222 | gcc_cv_as_subsections=no |
981d4858 JM |
1223 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then |
1224 | if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then | |
1225 | gcc_cv_as_subsections="working .subsection -1" | |
1226 | fi | |
1227 | elif test x$gcc_cv_as != x; then | |
d1accaa3 JJ |
1228 | # Check if we have .subsection |
1229 | echo ".subsection 1" > conftest.s | |
1230 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
1231 | gcc_cv_as_subsections=".subsection" | |
d1accaa3 JJ |
1232 | if test x$gcc_cv_nm != x; then |
1233 | cat > conftest.s <<EOF | |
1234 | conftest_label1: .word 0 | |
1235 | .subsection -1 | |
1236 | conftest_label2: .word 0 | |
1237 | .previous | |
1238 | EOF | |
1239 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
1240 | $gcc_cv_nm conftest.o | grep conftest_label1 > conftest.nm1 | |
1241 | $gcc_cv_nm conftest.o | grep conftest_label2 | sed -e 's/label2/label1/' > conftest.nm2 | |
1b015bec AO |
1242 | if cmp conftest.nm1 conftest.nm2 > /dev/null 2>&1; then |
1243 | : | |
1244 | else | |
d1accaa3 | 1245 | gcc_cv_as_subsections="working .subsection -1" |
d1accaa3 JJ |
1246 | fi |
1247 | fi | |
1248 | fi | |
1249 | fi | |
1250 | rm -f conftest.s conftest.o conftest.nm1 conftest.nm2 | |
1251 | fi | |
981d4858 JM |
1252 | if test x"$gcc_cv_as_subsections" = x"working .subsection -1"; then |
1253 | AC_DEFINE(HAVE_GAS_SUBSECTION_ORDERING, 1, | |
1254 | [Define if your assembler supports .subsection and .subsection -1 starts | |
1255 | emitting at the beginning of your section.]) | |
1256 | fi | |
d1accaa3 JJ |
1257 | AC_MSG_RESULT($gcc_cv_as_subsections) |
1258 | ||
12822146 | 1259 | AC_MSG_CHECKING(assembler weak support) |
9d147085 | 1260 | gcc_cv_as_weak=no |
981d4858 JM |
1261 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then |
1262 | if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 2 -o "$gcc_cv_gas_major_version" -gt 2; then | |
1263 | gcc_cv_as_weak="yes" | |
1264 | fi | |
1265 | elif test x$gcc_cv_as != x; then | |
12822146 JL |
1266 | # Check if we have .weak |
1267 | echo " .weak foobar" > conftest.s | |
1268 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
12822146 JL |
1269 | gcc_cv_as_weak="yes" |
1270 | fi | |
1271 | rm -f conftest.s conftest.o conftest.nm1 conftest.nm2 | |
1272 | fi | |
981d4858 JM |
1273 | if test x"$gcc_cv_as_weak" = xyes; then |
1274 | AC_DEFINE(HAVE_GAS_WEAK, 1, [Define if your assembler supports .weak.]) | |
1275 | fi | |
12822146 JL |
1276 | AC_MSG_RESULT($gcc_cv_as_weak) |
1277 | ||
6a9c5260 | 1278 | AC_MSG_CHECKING(assembler hidden support) |
9d147085 | 1279 | gcc_cv_as_hidden=no |
981d4858 JM |
1280 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then |
1281 | if test "$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 | |
1282 | gcc_cv_as_hidden="yes" | |
1283 | fi | |
1284 | elif test x$gcc_cv_as != x; then | |
6a9c5260 UD |
1285 | # Check if we have .hidden |
1286 | echo " .hidden foobar" > conftest.s | |
1287 | echo "foobar:" >> conftest.s | |
1288 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
6a9c5260 UD |
1289 | gcc_cv_as_hidden="yes" |
1290 | fi | |
1291 | rm -f conftest.s conftest.o conftest.nm1 conftest.nm2 | |
1292 | fi | |
981d4858 JM |
1293 | if test x"$gcc_cv_as_hidden" = xyes; then |
1294 | AC_DEFINE(HAVE_GAS_HIDDEN, 1, | |
1295 | [Define if your assembler supports .hidden.]) | |
1296 | fi | |
6a9c5260 UD |
1297 | AC_MSG_RESULT($gcc_cv_as_hidden) |
1298 | ||
1cb36a98 RH |
1299 | case "$target" in |
1300 | sparc*-*-*) | |
5b68c389 AO |
1301 | AC_CACHE_CHECK([assembler .register pseudo-op support], |
1302 | gcc_cv_as_register_pseudo_op, [ | |
1303 | gcc_cv_as_register_pseudo_op=unknown | |
1304 | if test x$gcc_cv_as != x; then | |
1305 | # Check if we have .register | |
1306 | echo ".register %g2, #scratch" > conftest.s | |
1307 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
1cb36a98 | 1308 | gcc_cv_as_register_pseudo_op=yes |
5b68c389 AO |
1309 | else |
1310 | gcc_cv_as_register_pseudo_op=no | |
1311 | fi | |
1312 | rm -f conftest.s conftest.o | |
1cb36a98 | 1313 | fi |
5b68c389 AO |
1314 | ]) |
1315 | if test "x$gcc_cv_as_register_pseudo_op" = xyes; then | |
119d24d1 KG |
1316 | AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1, |
1317 | [Define if your assembler supports .register.]) | |
1cb36a98 | 1318 | fi |
1cb36a98 | 1319 | |
e95b1e6a JJ |
1320 | AC_CACHE_CHECK([assembler supports -relax], |
1321 | gcc_cv_as_relax_opt, [ | |
1322 | gcc_cv_as_relax_opt=unknown | |
1323 | if test x$gcc_cv_as != x; then | |
1324 | # Check if gas supports -relax | |
1325 | echo ".text" > conftest.s | |
1326 | if $gcc_cv_as -relax -o conftest.o conftest.s > /dev/null 2>&1; then | |
1327 | gcc_cv_as_relax_opt=yes | |
1328 | else | |
1329 | gcc_cv_as_relax_opt=no | |
1330 | fi | |
1331 | rm -f conftest.s conftest.o | |
1332 | fi | |
1333 | ]) | |
1334 | if test "x$gcc_cv_as_relax_opt" = xyes; then | |
1335 | AC_DEFINE(HAVE_AS_RELAX_OPTION, 1, | |
1336 | [Define if your assembler supports -relax option.]) | |
1337 | fi | |
1338 | ||
5b68c389 AO |
1339 | case "$tm_file" in |
1340 | *64*) | |
1341 | AC_CACHE_CHECK([for 64 bit support in assembler ($gcc_cv_as)], | |
1342 | gcc_cv_as_flags64, [ | |
1343 | if test -n "$gcc_cv_as"; then | |
1344 | echo ".xword foo" > conftest.s | |
1345 | gcc_cv_as_flags64=no | |
8a90b95d | 1346 | for flag in "-xarch=v9" "-64 -Av9"; do |
5b68c389 AO |
1347 | if $gcc_cv_as $flag -o conftest.o conftest.s \ |
1348 | > /dev/null 2>&1; then | |
1349 | gcc_cv_as_flags64=$flag | |
1350 | break | |
1351 | fi | |
1352 | done | |
1353 | rm -f conftest.s conftest.o | |
1354 | else | |
1355 | if test "$gas" = yes; then | |
1356 | gcc_cv_as_flags64="-64 -Av9" | |
1357 | else | |
1358 | gcc_cv_as_flags64="-xarch=v9" | |
1359 | fi | |
1cb36a98 | 1360 | fi |
5b68c389 AO |
1361 | ]) |
1362 | if test "x$gcc_cv_as_flags64" = xno; then | |
1363 | changequote(, ) | |
1364 | tmake_file=`echo " $tmake_file " | sed -e 's, sparc/t-sol2-64 , ,' -e 's,^ ,,' -e 's, $,,'` | |
1365 | dep_tmake_file=`echo " $dep_tmake_file " | sed -e 's, [^ ]*/config/sparc/t-sol2-64 , ,' -e 's,^ ,,' -e 's, $,,'` | |
1366 | changequote([, ]) | |
1367 | else | |
119d24d1 KG |
1368 | AC_DEFINE_UNQUOTED(AS_SPARC64_FLAG, "$gcc_cv_as_flags64", |
1369 | [Define if the assembler supports 64bit sparc.]) | |
1cb36a98 | 1370 | fi |
5b68c389 AO |
1371 | ;; |
1372 | *) gcc_cv_as_flags64=${gcc_cv_as_flags64-no} | |
1373 | ;; | |
1374 | esac | |
1375 | ||
1376 | if test "x$gcc_cv_as_flags64" != xno; then | |
1377 | AC_CACHE_CHECK([for assembler offsetable %lo() support], | |
1378 | gcc_cv_as_offsetable_lo10, [ | |
1379 | gcc_cv_as_offsetable_lo10=unknown | |
1380 | if test "x$gcc_cv_as" != x; then | |
1381 | # Check if assembler has offsetable %lo() | |
1382 | echo "or %g1, %lo(ab) + 12, %g1" > conftest.s | |
1383 | echo "or %g1, %lo(ab + 12), %g1" > conftest1.s | |
1384 | if $gcc_cv_as $gcc_cv_as_flags64 -o conftest.o conftest.s \ | |
1385 | > /dev/null 2>&1 && | |
1386 | $gcc_cv_as $gcc_cv_as_flags64 -o conftest1.o conftest1.s \ | |
1387 | > /dev/null 2>&1; then | |
1388 | if cmp conftest.o conftest1.o > /dev/null 2>&1; then | |
1389 | gcc_cv_as_offsetable_lo10=no | |
1390 | else | |
1391 | gcc_cv_as_offsetable_lo10=yes | |
1392 | fi | |
1393 | else | |
1394 | gcc_cv_as_offsetable_lo10=no | |
1cb36a98 | 1395 | fi |
5b68c389 AO |
1396 | rm -f conftest.s conftest.o conftest1.s conftest1.o |
1397 | fi | |
1398 | ]) | |
1399 | if test "x$gcc_cv_as_offsetable_lo10" = xyes; then | |
119d24d1 KG |
1400 | AC_DEFINE(HAVE_AS_OFFSETABLE_LO10, 1, |
1401 | [Define if your assembler supports offsetable %lo().]) | |
1cb36a98 | 1402 | fi |
1cb36a98 | 1403 | fi |
1cb36a98 RH |
1404 | ;; |
1405 | ||
1406 | changequote(,)dnl | |
1407 | i[34567]86-*-*) | |
1408 | changequote([,])dnl | |
1409 | AC_MSG_CHECKING(assembler instructions) | |
1410 | gcc_cv_as_instructions= | |
981d4858 JM |
1411 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then |
1412 | if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2; then | |
1413 | gcc_cv_as_instructions="filds fists" | |
1414 | fi | |
1415 | elif test x$gcc_cv_as != x; then | |
53b5ce19 JW |
1416 | set "filds fists" "filds mem; fists mem" |
1417 | while test $# -gt 0 | |
1418 | do | |
1419 | echo "$2" > conftest.s | |
1420 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
1421 | gcc_cv_as_instructions=${gcc_cv_as_instructions}$1" " | |
53b5ce19 JW |
1422 | fi |
1423 | shift 2 | |
1424 | done | |
1425 | rm -f conftest.s conftest.o | |
1cb36a98 | 1426 | fi |
981d4858 | 1427 | if test x"$gcc_cv_as_instructions" != x; then |
ee7692d2 | 1428 | AC_DEFINE_UNQUOTED(HAVE_GAS_`echo "$gcc_cv_as_instructions" | sed -e 's/ $//' | tr '[a-z ]' '[A-Z_]'`) |
981d4858 | 1429 | fi |
1cb36a98 RH |
1430 | AC_MSG_RESULT($gcc_cv_as_instructions) |
1431 | ;; | |
1432 | esac | |
53b5ce19 | 1433 | |
9d147085 RH |
1434 | AC_MSG_CHECKING(assembler dwarf2 debug_line support) |
1435 | gcc_cv_as_dwarf2_debug_line=no | |
1436 | # ??? Not all targets support dwarf2 debug_line, even within a version | |
1437 | # of gas. Moreover, we need to emit a valid instruction to trigger any | |
1438 | # info to the output file. So, as supported targets are added to gas 2.11, | |
1439 | # add some instruction here to (also) show we expect this might work. | |
1440 | # ??? Once 2.11 is released, probably need to add first known working | |
1441 | # version to the per-target configury. | |
1442 | case "$target" in | |
e6978109 | 1443 | i?86*-*-* | mips*-*-* | alpha*-*-* | powerpc*-*-* | sparc*-*-*) |
9d147085 RH |
1444 | insn="nop" |
1445 | ;; | |
1446 | ia64*-*-*) | |
1447 | insn="nop 0" | |
1448 | ;; | |
1449 | esac | |
1450 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; | |
1451 | then | |
1452 | if test "$gcc_cv_gas_major_version" -eq 2 \ | |
1453 | -a "$gcc_cv_gas_minor_version" -ge 11 \ | |
1454 | -o "$gcc_cv_gas_major_version" -gt 2 \ | |
1455 | && grep 'obj_format = elf' ../gas/Makefile > /dev/null \ | |
1456 | && test x"$insn" != x ; then | |
1457 | gcc_cv_as_dwarf2_debug_line="yes" | |
1458 | fi | |
1459 | elif test x$gcc_cv_as != x -a x"$insn" != x ; then | |
1460 | echo ' .file 0 "conftest.s"' > conftest.s | |
1461 | echo ' .loc 0 3 0' >> conftest.s | |
1462 | echo " $insn" >> conftest.s | |
1463 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \ | |
1464 | && grep debug_line conftest.o > /dev/null 2>&1 ; then | |
1465 | gcc_cv_as_dwarf2_debug_line="yes" | |
1466 | fi | |
1467 | rm -f conftest.s conftest.o conftest.nm1 conftest.nm2 | |
1468 | fi | |
1469 | if test x"$gcc_cv_as_dwarf2_debug_line" = xyes; then | |
1470 | AC_DEFINE(HAVE_AS_DWARF2_DEBUG_LINE, 1, | |
1471 | [Define if your assembler supports dwarf2 .file/.loc directives.]) | |
1472 | fi | |
1473 | AC_MSG_RESULT($gcc_cv_as_dwarf2_debug_line) | |
1474 | ||
571a8de5 | 1475 | # Figure out what language subdirectories are present. |
71205e0b MH |
1476 | # Look if the user specified --enable-languages="..."; if not, use |
1477 | # the environment variable $LANGUAGES if defined. $LANGUAGES might | |
1478 | # go away some day. | |
1479 | if test x"${enable_languages+set}" != xset; then | |
1480 | if test x"${LANGUAGES+set}" = xset; then | |
1481 | enable_languages="`echo ${LANGUAGES} | tr ' ' ','`" | |
1482 | else | |
1483 | enable_languages=all | |
1484 | fi | |
d6c6b553 PE |
1485 | else |
1486 | if test x"${enable_languages}" = x; then | |
1487 | AC_MSG_ERROR([--enable-languages needs at least one argument]) | |
1488 | fi | |
71205e0b | 1489 | fi |
571a8de5 DE |
1490 | subdirs= |
1491 | for lang in ${srcdir}/*/config-lang.in .. | |
1492 | do | |
1493 | case $lang in | |
1494 | ..) ;; | |
1495 | # The odd quoting in the next line works around | |
1496 | # an apparent bug in bash 1.12 on linux. | |
75bffa71 ILT |
1497 | changequote(,)dnl |
1498 | ${srcdir}/[*]/config-lang.in) ;; | |
71205e0b MH |
1499 | *) |
1500 | lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang` | |
2b60b2cb AO |
1501 | this_lang_libs=`sed -n -e 's,^target_libs=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^target_libs=\([^ ]*\).*$,\1,p' $lang` |
1502 | build_by_default=`sed -n -e 's,^build_by_default=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^build_by_default=\([^ ]*\).*$,\1,p' $lang` | |
71205e0b MH |
1503 | if test "x$lang_alias" = x |
1504 | then | |
1505 | echo "$lang doesn't set \$language." 1>&2 | |
1506 | exit 1 | |
1507 | fi | |
2b60b2cb AO |
1508 | case ${build_by_default},${enable_languages}, in |
1509 | *,$lang_alias,*) add_this_lang=yes ;; | |
1510 | no,*) add_this_lang=no ;; | |
1511 | *,all,*) add_this_lang=yes ;; | |
1512 | *) add_this_lang=no ;; | |
1513 | esac | |
71205e0b MH |
1514 | if test x"${add_this_lang}" = xyes; then |
1515 | case $lang in | |
1516 | ${srcdir}/ada/config-lang.in) | |
1517 | if test x$gnat = xyes ; then | |
1518 | subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`" | |
1519 | fi | |
1520 | ;; | |
1521 | *) | |
1522 | subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`" | |
1523 | ;; | |
1524 | esac | |
1525 | fi | |
1526 | ;; | |
75bffa71 | 1527 | changequote([,])dnl |
571a8de5 DE |
1528 | esac |
1529 | done | |
1530 | ||
f24af81b TT |
1531 | # Make gthr-default.h if we have a thread file. |
1532 | gthread_flags= | |
75bffa71 | 1533 | if test $thread_file != single; then |
f24af81b | 1534 | rm -f gthr-default.h |
db0d1ed9 | 1535 | echo "#include \"gthr-${thread_file}.h\"" > gthr-default.h |
f24af81b TT |
1536 | gthread_flags=-DHAVE_GTHR_DEFAULT |
1537 | fi | |
1538 | AC_SUBST(gthread_flags) | |
1539 | ||
81bf3d9e RH |
1540 | # Find out what GC implementation we want, or may, use. |
1541 | AC_ARG_WITH(gc, | |
1542 | [ --with-gc={simple,page} Choose the garbage collection mechanism to use | |
1543 | with the compiler.], | |
1544 | [case "$withval" in | |
1545 | simple | page) | |
1546 | GGC=ggc-$withval | |
1547 | ;; | |
1548 | *) | |
1549 | AC_MSG_ERROR([$withval is an invalid option to --with-gc]) | |
1550 | ;; | |
1551 | esac], | |
130fadbb | 1552 | [GGC=ggc-page]) |
81bf3d9e RH |
1553 | AC_SUBST(GGC) |
1554 | echo "Using $GGC for garbage collection." | |
1555 | ||
3c809ba4 | 1556 | # Use the system's zlib library. |
b8dad04b ZW |
1557 | zlibdir=-L../zlib |
1558 | zlibinc="-I\$(srcdir)/../zlib" | |
3c809ba4 AG |
1559 | AC_ARG_WITH(system-zlib, |
1560 | [ --with-system-zlib use installed libz], | |
1561 | zlibdir= | |
1562 | zlibinc= | |
1563 | ) | |
1564 | AC_SUBST(zlibdir) | |
1565 | AC_SUBST(zlibinc) | |
1566 | ||
7441a352 NS |
1567 | # Build a new-abi (c++) system |
1568 | AC_ARG_ENABLE(new-gxx-abi, | |
1569 | [ --enable-new-gxx-abi | |
1570 | select the new abi for g++. You must select an ABI | |
1571 | at configuration time, so that the correct runtime | |
1572 | support is built. You cannot mix ABIs.], | |
67c72a63 MM |
1573 | , |
1574 | enable_new_gxx_abi=yes) | |
1575 | ||
1576 | if test x$enable_new_gxx_abi = xyes; then | |
1577 | AC_DEFINE(ENABLE_NEW_GXX_ABI, 1, | |
1578 | [Define if you want to always select the new-abi for g++.]) | |
1579 | GXX_ABI_FLAG='-fnew-abi' | |
1580 | else | |
1581 | GXX_ABI_FLAG= | |
1582 | fi | |
7441a352 NS |
1583 | AC_SUBST(GXX_ABI_FLAG) |
1584 | ||
22fdd65e | 1585 | AC_DEFINE_UNQUOTED(ENABLE_STD_NAMESPACE, 1, |
119d24d1 | 1586 | [Define to 1 if you want to enable namespaces (-fhonor-std) by default.]) |
7822500a | 1587 | |
dc6746e7 PT |
1588 | dnl Very limited version of automake's enable-maintainer-mode |
1589 | ||
1590 | AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) | |
1591 | dnl maintainer-mode is disabled by default | |
1592 | AC_ARG_ENABLE(maintainer-mode, | |
1593 | [ --enable-maintainer-mode enable make rules and dependencies not useful | |
1594 | (and sometimes confusing) to the casual installer], | |
1595 | maintainer_mode=$enableval, | |
1596 | maintainer_mode=no) | |
1597 | ||
1598 | AC_MSG_RESULT($maintainer_mode) | |
1599 | ||
1600 | if test "$maintainer_mode" = "yes"; then | |
1601 | MAINT='' | |
1602 | else | |
1603 | MAINT='#' | |
1604 | fi | |
1605 | AC_SUBST(MAINT)dnl | |
1606 | ||
571a8de5 DE |
1607 | # Make empty files to contain the specs and options for each language. |
1608 | # Then add #include lines to for a compiler that has specs and/or options. | |
1609 | ||
1610 | lang_specs_files= | |
1611 | lang_options_files= | |
3103b7db ML |
1612 | lang_tree_files= |
1613 | rm -f specs.h options.h gencheck.h | |
1614 | touch specs.h options.h gencheck.h | |
571a8de5 DE |
1615 | for subdir in . $subdirs |
1616 | do | |
75bffa71 | 1617 | if test -f $srcdir/$subdir/lang-specs.h; then |
571a8de5 DE |
1618 | echo "#include \"$subdir/lang-specs.h\"" >>specs.h |
1619 | lang_specs_files="$lang_specs_files $srcdir/$subdir/lang-specs.h" | |
1620 | fi | |
75bffa71 | 1621 | if test -f $srcdir/$subdir/lang-options.h; then |
571a8de5 DE |
1622 | echo "#include \"$subdir/lang-options.h\"" >>options.h |
1623 | lang_options_files="$lang_options_files $srcdir/$subdir/lang-options.h" | |
1624 | fi | |
3103b7db ML |
1625 | if test -f $srcdir/$subdir/$subdir-tree.def; then |
1626 | echo "#include \"$subdir/$subdir-tree.def\"" >>gencheck.h | |
1627 | lang_tree_files="$lang_tree_files $srcdir/$subdir/$subdir-tree.def" | |
1628 | fi | |
571a8de5 DE |
1629 | done |
1630 | ||
1631 | # These (without "all_") are set in each config-lang.in. | |
1632 | # `language' must be a single word so is spelled singularly. | |
1633 | all_languages= | |
1634 | all_boot_languages= | |
1635 | all_compilers= | |
1636 | all_stagestuff= | |
1637 | all_diff_excludes= | |
3ec83fc2 | 1638 | all_outputs='Makefile intl/Makefile po/Makefile.in fixinc/Makefile gccbug mklibgcc' |
571a8de5 DE |
1639 | # List of language makefile fragments. |
1640 | all_lang_makefiles= | |
1641 | all_headers= | |
1642 | all_lib2funcs= | |
1643 | ||
1644 | # Add the language fragments. | |
1645 | # Languages are added via two mechanisms. Some information must be | |
1646 | # recorded in makefile variables, these are defined in config-lang.in. | |
1647 | # We accumulate them and plug them into the main Makefile. | |
1648 | # The other mechanism is a set of hooks for each of the main targets | |
1649 | # like `clean', `install', etc. | |
1650 | ||
1651 | language_fragments="Make-lang" | |
1652 | language_hooks="Make-hooks" | |
1653 | ||
1654 | for s in .. $subdirs | |
1655 | do | |
75bffa71 | 1656 | if test $s != ".." |
571a8de5 DE |
1657 | then |
1658 | language= | |
1659 | boot_language= | |
1660 | compilers= | |
1661 | stagestuff= | |
1662 | diff_excludes= | |
1663 | headers= | |
0280cf84 | 1664 | outputs= |
571a8de5 DE |
1665 | lib2funcs= |
1666 | . ${srcdir}/$s/config-lang.in | |
75bffa71 | 1667 | if test "x$language" = x |
571a8de5 DE |
1668 | then |
1669 | echo "${srcdir}/$s/config-lang.in doesn't set \$language." 1>&2 | |
1670 | exit 1 | |
1671 | fi | |
72aaffbd ZW |
1672 | all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Make-lang.in" |
1673 | if test -f ${srcdir}/$s/Makefile.in | |
1674 | then all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Makefile.in" | |
1675 | fi | |
571a8de5 | 1676 | all_languages="$all_languages $language" |
75bffa71 | 1677 | if test "x$boot_language" = xyes |
571a8de5 DE |
1678 | then |
1679 | all_boot_languages="$all_boot_languages $language" | |
1680 | fi | |
1681 | all_compilers="$all_compilers $compilers" | |
1682 | all_stagestuff="$all_stagestuff $stagestuff" | |
1683 | all_diff_excludes="$all_diff_excludes $diff_excludes" | |
1684 | all_headers="$all_headers $headers" | |
0280cf84 | 1685 | all_outputs="$all_outputs $outputs" |
571a8de5 DE |
1686 | all_lib2funcs="$all_lib2funcs $lib2funcs" |
1687 | fi | |
1688 | done | |
1689 | ||
1690 | # Since we can't use `::' targets, we link each language in | |
1691 | # with a set of hooks, reached indirectly via lang.${target}. | |
1692 | ||
1693 | rm -f Make-hooks | |
1694 | touch Make-hooks | |
1695 | target_list="all.build all.cross start.encap rest.encap \ | |
1696 | info dvi \ | |
1697 | install-normal install-common install-info install-man \ | |
436a88a6 | 1698 | uninstall \ |
571a8de5 DE |
1699 | mostlyclean clean distclean extraclean maintainer-clean \ |
1700 | stage1 stage2 stage3 stage4" | |
1701 | for t in $target_list | |
1702 | do | |
1703 | x= | |
ab87f8c8 | 1704 | for lang in .. $all_languages |
571a8de5 | 1705 | do |
ab87f8c8 JL |
1706 | if test $lang != ".."; then |
1707 | x="$x $lang.$t" | |
571a8de5 DE |
1708 | fi |
1709 | done | |
1710 | echo "lang.$t: $x" >> Make-hooks | |
1711 | done | |
1712 | ||
296e46bd DE |
1713 | # If we're not building in srcdir, create .gdbinit. |
1714 | ||
75bffa71 | 1715 | if test ! -f Makefile.in; then |
296e46bd DE |
1716 | echo "dir ." > .gdbinit |
1717 | echo "dir ${srcdir}" >> .gdbinit | |
75bffa71 | 1718 | if test x$gdb_needs_out_file_path = xyes |
296e46bd DE |
1719 | then |
1720 | echo "dir ${srcdir}/config/"`dirname ${out_file}` >> .gdbinit | |
1721 | fi | |
75bffa71 | 1722 | if test "x$subdirs" != x; then |
296e46bd DE |
1723 | for s in $subdirs |
1724 | do | |
1725 | echo "dir ${srcdir}/$s" >> .gdbinit | |
1726 | done | |
1727 | fi | |
1728 | echo "source ${srcdir}/.gdbinit" >> .gdbinit | |
1729 | fi | |
1730 | ||
88111b26 JL |
1731 | # Define variables host_canonical and build_canonical |
1732 | # because some Cygnus local changes in the Makefile depend on them. | |
1733 | build_canonical=${build} | |
1734 | host_canonical=${host} | |
1735 | target_subdir= | |
75bffa71 | 1736 | if test "${host}" != "${target}" ; then |
88111b26 JL |
1737 | target_subdir=${target}/ |
1738 | fi | |
1739 | AC_SUBST(build_canonical) | |
1740 | AC_SUBST(host_canonical) | |
1741 | AC_SUBST(target_subdir) | |
1742 | ||
8f8d3278 NC |
1743 | # If $(exec_prefix) exists and is not the same as $(prefix), then compute an |
1744 | # absolute path for gcc_tooldir based on inserting the number of up-directory | |
1745 | # movements required to get from $(exec_prefix) to $(prefix) into the basic | |
1746 | # $(libsubdir)/@(unlibsubdir) based path. | |
82cbf8f7 JL |
1747 | # Don't set gcc_tooldir to tooldir since that's only passed in by the toplevel |
1748 | # make and thus we'd get different behavior depending on where we built the | |
1749 | # sources. | |
5949a9fc | 1750 | if test x$exec_prefix = xNONE -o x$exec_prefix = x$prefix; then |
d062c304 JL |
1751 | gcc_tooldir='$(libsubdir)/$(unlibsubdir)/../$(target_alias)' |
1752 | else | |
8f8d3278 NC |
1753 | changequote(<<, >>)dnl |
1754 | # An explanation of the sed strings: | |
1755 | # -e 's|^\$(prefix)||' matches and eliminates 'prefix' from 'exec_prefix' | |
1756 | # -e 's|/$||' match a trailing forward slash and eliminates it | |
1757 | # -e 's|^[^/]|/|' forces the string to start with a forward slash (*) | |
1758 | # -e 's|/[^/]*|../|g' replaces each occurance of /<directory> with ../ | |
1759 | # | |
1760 | # (*) Note this pattern overwrites the first character of the string | |
1761 | # with a forward slash if one is not already present. This is not a | |
1762 | # problem because the exact names of the sub-directories concerned is | |
1763 | # unimportant, just the number of them matters. | |
1764 | # | |
1765 | # The practical upshot of these patterns is like this: | |
1766 | # | |
1767 | # prefix exec_prefix result | |
1768 | # ------ ----------- ------ | |
1769 | # /foo /foo/bar ../ | |
1770 | # /foo/ /foo/bar ../ | |
1771 | # /foo /foo/bar/ ../ | |
1772 | # /foo/ /foo/bar/ ../ | |
1773 | # /foo /foo/bar/ugg ../../ | |
1774 | # | |
4c112cda NC |
1775 | dollar='$$' |
1776 | gcc_tooldir="\$(libsubdir)/\$(unlibsubdir)/\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/\$(dollar)||' -e 's|^[^/]|/|' -e 's|/[^/]*|../|g'\`\$(target_alias)" | |
8f8d3278 | 1777 | changequote([, ])dnl |
d062c304 JL |
1778 | fi |
1779 | AC_SUBST(gcc_tooldir) | |
4c112cda | 1780 | AC_SUBST(dollar) |
d062c304 | 1781 | |
2bbea3a6 RH |
1782 | # Find a directory in which to install a shared libgcc. |
1783 | ||
1784 | AC_ARG_ENABLE(version-specific-runtime-libs, | |
1785 | [ --enable-version-specific-runtime-libs Specify that runtime libraries shou | |
1786 | ld be installed in a compiler-specific directory ]) | |
1787 | ||
5b15f277 RH |
1788 | AC_ARG_WITH(slibdir, |
1789 | [ --with-slibdir=DIR shared libraries in DIR [LIBDIR]], | |
1790 | slibdir="$with_slibdir", | |
1791 | if test "${enable_version_specific_runtime_libs+set}" = set; then | |
2bbea3a6 | 1792 | slibdir='$(libsubdir)' |
5b15f277 | 1793 | elif test "$host" != "$target"; then |
2bbea3a6 RH |
1794 | slibdir='$(build_tooldir)/lib' |
1795 | else | |
5b15f277 RH |
1796 | slibdir='$(libdir)' |
1797 | fi) | |
2bbea3a6 RH |
1798 | AC_SUBST(slibdir) |
1799 | ||
7e717196 JL |
1800 | # Nothing to do for FLOAT_H, float_format already handled. |
1801 | objdir=`pwd` | |
1802 | AC_SUBST(objdir) | |
1803 | ||
94f42018 DE |
1804 | # Process the language and host/target makefile fragments. |
1805 | ${CONFIG_SHELL-/bin/sh} $srcdir/configure.frag $srcdir "$subdirs" "$dep_host_xmake_file" "$dep_tmake_file" | |
47866ac0 | 1806 | |
46f18e7b RK |
1807 | # Substitute configuration variables |
1808 | AC_SUBST(subdirs) | |
46f18e7b RK |
1809 | AC_SUBST(all_boot_languages) |
1810 | AC_SUBST(all_compilers) | |
46f18e7b | 1811 | AC_SUBST(all_diff_excludes) |
46f18e7b | 1812 | AC_SUBST(all_headers) |
9f3d1bc2 BK |
1813 | AC_SUBST(all_lang_makefiles) |
1814 | AC_SUBST(all_languages) | |
1815 | AC_SUBST(all_lib2funcs) | |
1816 | AC_SUBST(all_stagestuff) | |
1817 | AC_SUBST(build_exeext) | |
1818 | AC_SUBST(build_install_headers_dir) | |
1819 | AC_SUBST(build_xm_file_list) | |
1820 | AC_SUBST(cc_set_by_configure) | |
5aa82ace | 1821 | AC_SUBST(quoted_cc_set_by_configure) |
9f3d1bc2 | 1822 | AC_SUBST(cpp_install_dir) |
9f3d1bc2 BK |
1823 | AC_SUBST(dep_host_xmake_file) |
1824 | AC_SUBST(dep_tmake_file) | |
1825 | AC_SUBST(extra_c_flags) | |
9f3d1bc2 | 1826 | AC_SUBST(extra_headers_list) |
46f18e7b | 1827 | AC_SUBST(extra_objs) |
9f3d1bc2 BK |
1828 | AC_SUBST(extra_parts) |
1829 | AC_SUBST(extra_passes) | |
1830 | AC_SUBST(extra_programs) | |
9f3d1bc2 | 1831 | AC_SUBST(float_h_file) |
cc1e60ea | 1832 | AC_SUBST(gcc_config_arguments) |
9f3d1bc2 | 1833 | AC_SUBST(gcc_gxx_include_dir) |
e2187d3b | 1834 | AC_SUBST(libstdcxx_incdir) |
9f3d1bc2 | 1835 | AC_SUBST(gcc_version) |
8763704d | 1836 | AC_SUBST(gcc_version_full) |
9f3d1bc2 BK |
1837 | AC_SUBST(gcc_version_trigger) |
1838 | AC_SUBST(host_exeext) | |
46f18e7b | 1839 | AC_SUBST(host_extra_gcc_objs) |
46f18e7b | 1840 | AC_SUBST(host_xm_file_list) |
9f3d1bc2 | 1841 | AC_SUBST(install) |
46f18e7b | 1842 | AC_SUBST(lang_options_files) |
9f3d1bc2 | 1843 | AC_SUBST(lang_specs_files) |
3103b7db | 1844 | AC_SUBST(lang_tree_files) |
46f18e7b | 1845 | AC_SUBST(local_prefix) |
46f18e7b | 1846 | AC_SUBST(maybe_use_collect2) |
9f3d1bc2 BK |
1847 | AC_SUBST(md_file) |
1848 | AC_SUBST(objc_boehm_gc) | |
1849 | AC_SUBST(out_file) | |
1850 | AC_SUBST(out_object_file) | |
46f18e7b | 1851 | AC_SUBST(stage_prefix_set_by_configure) |
e9a25f70 | 1852 | AC_SUBST(symbolic_link) |
9f3d1bc2 BK |
1853 | AC_SUBST(thread_file) |
1854 | AC_SUBST(tm_file_list) | |
1855 | AC_SUBST(will_use_collect2) | |
aac69a49 NC |
1856 | AC_SUBST(c_target_objs) |
1857 | AC_SUBST(cxx_target_objs) | |
9fc9b82a | 1858 | |
46f18e7b RK |
1859 | |
1860 | AC_SUBST_FILE(target_overrides) | |
1861 | AC_SUBST_FILE(host_overrides) | |
1862 | AC_SUBST(cross_defines) | |
1863 | AC_SUBST_FILE(cross_overrides) | |
1864 | AC_SUBST_FILE(build_overrides) | |
1865 | AC_SUBST_FILE(language_fragments) | |
1866 | AC_SUBST_FILE(language_hooks) | |
1867 | ||
1868 | # Echo that links are built | |
75bffa71 | 1869 | if test x$host = x$target |
46f18e7b RK |
1870 | then |
1871 | str1="native " | |
1872 | else | |
1873 | str1="cross-" | |
1874 | str2=" from $host" | |
1875 | fi | |
1876 | ||
75bffa71 | 1877 | if test x$host != x$build |
46f18e7b RK |
1878 | then |
1879 | str3=" on a $build system" | |
1880 | fi | |
1881 | ||
75bffa71 | 1882 | if test "x$str2" != x || test "x$str3" != x |
46f18e7b RK |
1883 | then |
1884 | str4= | |
1885 | fi | |
1886 | ||
1887 | echo "Links are now set up to build a ${str1}compiler for ${target}$str4" 1>&2 | |
1888 | ||
75bffa71 | 1889 | if test "x$str2" != x || test "x$str3" != x |
46f18e7b RK |
1890 | then |
1891 | echo " ${str2}${str3}." 1>&2 | |
1892 | fi | |
1893 | ||
61536478 | 1894 | # Truncate the target if necessary |
75bffa71 | 1895 | if test x$host_truncate_target != x; then |
61536478 JL |
1896 | target=`echo $target | sed -e 's/\(..............\).*/\1/'` |
1897 | fi | |
1898 | ||
46f18e7b RK |
1899 | # Configure the subdirectories |
1900 | # AC_CONFIG_SUBDIRS($subdirs) | |
1901 | ||
1902 | # Create the Makefile | |
5891b37d | 1903 | # and configure language subdirectories |
0280cf84 | 1904 | AC_OUTPUT($all_outputs, |
cdcc6a01 | 1905 | [ |
cdcc6a01 | 1906 | case x$CONFIG_HEADERS in |
b7cb92ad | 1907 | xauto-host.h:config.in) |
818b66cc | 1908 | echo > cstamp-h ;; |
cdcc6a01 | 1909 | esac |
93cf819d BK |
1910 | # If the host supports symlinks, point stage[1234] at ../stage[1234] so |
1911 | # bootstrapping and the installation procedure can still use | |
1912 | # CC="stage1/xgcc -Bstage1/". If the host doesn't support symlinks, | |
1913 | # FLAGS_TO_PASS has been modified to solve the problem there. | |
1914 | # This is virtually a duplicate of what happens in configure.lang; we do | |
1915 | # an extra check to make sure this only happens if ln -s can be used. | |
75bffa71 | 1916 | if test "$symbolic_link" = "ln -s"; then |
93cf819d | 1917 | for d in .. ${subdirs} ; do |
75bffa71 | 1918 | if test $d != ..; then |
4e8a434e BK |
1919 | STARTDIR=`pwd` |
1920 | cd $d | |
1921 | for t in stage1 stage2 stage3 stage4 include | |
1922 | do | |
1923 | rm -f $t | |
1924 | $symbolic_link ../$t $t 2>/dev/null | |
1925 | done | |
1926 | cd $STARTDIR | |
93cf819d BK |
1927 | fi |
1928 | done | |
1929 | else true ; fi | |
ab87f8c8 JL |
1930 | # Avoid having to add intl to our include paths. |
1931 | if test -f intl/libintl.h; then | |
1932 | echo creating libintl.h | |
1933 | echo '#include "intl/libintl.h"' >libintl.h | |
1934 | fi | |
cdcc6a01 DE |
1935 | ], |
1936 | [ | |
5891b37d RK |
1937 | host='${host}' |
1938 | build='${build}' | |
1939 | target='${target}' | |
52060267 | 1940 | target_alias='${target_alias}' |
5891b37d RK |
1941 | srcdir='${srcdir}' |
1942 | subdirs='${subdirs}' | |
1943 | symbolic_link='${symbolic_link}' | |
1944 | program_transform_set='${program_transform_set}' | |
1945 | program_transform_name='${program_transform_name}' | |
5891b37d RK |
1946 | dep_host_xmake_file='${dep_host_xmake_file}' |
1947 | host_xmake_file='${host_xmake_file}' | |
1948 | dep_tmake_file='${dep_tmake_file}' | |
1949 | tmake_file='${tmake_file}' | |
0bbb1697 | 1950 | thread_file='${thread_file}' |
cc1e60ea | 1951 | gcc_config_arguments='${gcc_config_arguments}' |
f1943b77 | 1952 | gcc_version='${gcc_version}' |
8763704d | 1953 | gcc_version_full='${gcc_version_full}' |
f1943b77 | 1954 | gcc_version_trigger='${gcc_version_trigger}' |
5891b37d | 1955 | local_prefix='${local_prefix}' |
5891b37d | 1956 | build_install_headers_dir='${build_install_headers_dir}' |
a204adc6 | 1957 | build_exeext='${build_exeext}' |
6e26218f | 1958 | host_exeext='${host_exeext}' |
7ed46111 | 1959 | out_file='${out_file}' |
5891b37d RK |
1960 | gdb_needs_out_file_path='${gdb_needs_out_file_path}' |
1961 | SET_MAKE='${SET_MAKE}' | |
5891b37d | 1962 | target_list='${target_list}' |
5891b37d RK |
1963 | target_overrides='${target_overrides}' |
1964 | host_overrides='${host_overrides}' | |
1965 | cross_defines='${cross_defines}' | |
1966 | cross_overrides='${cross_overrides}' | |
1967 | build_overrides='${build_overrides}' | |
9fc9b82a | 1968 | cpp_install_dir='${cpp_install_dir}' |
cdcc6a01 | 1969 | ]) |