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1 | # configure.in for GNU CC | |
2 | # Process this file with autoconf to generate a configuration script. | |
3 | ||
4 | # Copyright (C) 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc. | |
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 | |
24 | AC_PREREQ(2.13) | |
25 | AC_INIT(tree.c) | |
26 | AC_CONFIG_HEADER(auto-host.h:config.in) | |
27 | ||
28 | remove=rm | |
29 | hard_link=ln | |
30 | symbolic_link='ln -s' | |
31 | copy=cp | |
32 | ||
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 | |
56 | *** building gcc. Please change the environment variable | |
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 "$gcc_exec_prefix_setting" != "ok"; then | |
80 | AC_MSG_ERROR([ | |
81 | *** GCC_EXEC_PREFIX shouldn't contain the current directory when | |
82 | *** building gcc. Please change the environment variable | |
83 | *** and run configure again.]) | |
84 | fi | |
85 | ||
86 | # Check for additional parameters | |
87 | ||
88 | # With GNU ld | |
89 | AC_ARG_WITH(gnu-ld, | |
90 | [ --with-gnu-ld arrange to work with GNU ld.], | |
91 | gnu_ld_flag="$with_gnu_ld", | |
92 | gnu_ld_flag=no) | |
93 | ||
94 | # With pre-defined ld | |
95 | AC_ARG_WITH(ld, | |
96 | [ --with-ld arrange to use the specified ld (full pathname).], | |
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]) | |
101 | elif $DEFAULT_LINKER -v < /dev/null 2>&1 | grep GNU > /dev/null; then | |
102 | gnu_ld_flag=yes | |
103 | fi | |
104 | AC_DEFINE_UNQUOTED(DEFAULT_LINKER,"$DEFAULT_LINKER", | |
105 | [Define to enable the use of a default linker.]) | |
106 | fi | |
107 | ||
108 | # With GNU as | |
109 | AC_ARG_WITH(gnu-as, | |
110 | [ --with-gnu-as arrange to work with GNU as.], | |
111 | gas_flag="$with_gnu_as", | |
112 | gas_flag=no) | |
113 | ||
114 | AC_ARG_WITH(as, | |
115 | [ --with-as arrange to use the specified as (full pathname).], | |
116 | DEFAULT_ASSEMBLER="$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]) | |
120 | elif $DEFAULT_ASSEMBLER -v < /dev/null 2>&1 | grep GNU > /dev/null; then | |
121 | gas_flag=yes | |
122 | fi | |
123 | AC_DEFINE_UNQUOTED(DEFAULT_ASSEMBLER,"$DEFAULT_ASSEMBLER", | |
124 | [Define to enable the use of a default assembler.]) | |
125 | fi | |
126 | ||
127 | # With stabs | |
128 | AC_ARG_WITH(stabs, | |
129 | [ --with-stabs arrange to use stabs instead of host debug format.], | |
130 | stabs="$with_stabs", | |
131 | stabs=no) | |
132 | ||
133 | # With ELF | |
134 | AC_ARG_WITH(elf, | |
135 | [ --with-elf arrange to use ELF instead of host debug format.], | |
136 | elf="$with_elf", | |
137 | elf=no) | |
138 | ||
139 | # Specify the local prefix | |
140 | local_prefix= | |
141 | AC_ARG_WITH(local-prefix, | |
142 | [ --with-local-prefix=DIR specifies directory to put local include.], | |
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]) | |
148 | ||
149 | # Default local prefix if it is empty | |
150 | if test x$local_prefix = x; then | |
151 | local_prefix=/usr/local | |
152 | fi | |
153 | ||
154 | # Don't set gcc_gxx_include_dir to gxx_include_dir since that's only | |
155 | # passed in by the toplevel make and thus we'd get different behavior | |
156 | # depending on where we built the sources. | |
157 | gcc_gxx_include_dir= | |
158 | # Specify the g++ header file directory | |
159 | AC_ARG_WITH(gxx-include-dir, | |
160 | [ --with-gxx-include-dir=DIR | |
161 | specifies directory to put g++ header files.], | |
162 | [case "${withval}" in | |
163 | yes) AC_MSG_ERROR(bad value ${withval} given for g++ include directory) ;; | |
164 | no) ;; | |
165 | *) gcc_gxx_include_dir=$with_gxx_include_dir ;; | |
166 | esac]) | |
167 | ||
168 | if test x${gcc_gxx_include_dir} = x; then | |
169 | if test x${enable_version_specific_runtime_libs} = xyes; then | |
170 | gcc_gxx_include_dir='${libsubdir}/include/g++' | |
171 | else | |
172 | topsrcdir=${srcdir}/.. . ${srcdir}/../config.if | |
173 | changequote(<<, >>)dnl | |
174 | gcc_gxx_include_dir="\$(libsubdir)/\$(unlibsubdir)/..\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/[^/]*|/..|g'\`/include/"${libstdcxx_incdir} | |
175 | changequote([, ])dnl | |
176 | fi | |
177 | fi | |
178 | ||
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 | ||
185 | # Enable expensive internal checks | |
186 | AC_ARG_ENABLE(checking, | |
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 | |
191 | is misc,tree,gc], | |
192 | [ac_checking= | |
193 | ac_tree_checking= | |
194 | ac_rtl_checking= | |
195 | ac_gc_checking= | |
196 | ac_gc_always_collect= | |
197 | case "${enableval}" in | |
198 | yes) ac_checking=1 ; ac_tree_checking=1 ; ac_gc_checking=1 ;; | |
199 | no) ;; | |
200 | *) IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS," | |
201 | set fnord $enableval; shift | |
202 | IFS="$ac_save_IFS" | |
203 | for check | |
204 | do | |
205 | case $check in | |
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 ;; | |
211 | *) AC_MSG_ERROR(unknown check category $check) ;; | |
212 | esac | |
213 | done | |
214 | ;; | |
215 | esac | |
216 | ], | |
217 | # Enable some checks by default for development versions of GCC | |
218 | [ac_checking=1; ac_tree_checking=1; ac_gc_checking=1;]) | |
219 | if test x$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 | |
247 | ||
248 | ||
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=$withval | |
261 | fi]) | |
262 | ||
263 | # Enable Multibyte Characters for C/C++ | |
264 | AC_ARG_ENABLE(c-mbchar, | |
265 | [ --enable-c-mbchar Enable multibyte characters for C and C++.], | |
266 | if test x$enable_c_mbchar != xno; then | |
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.]) | |
270 | fi) | |
271 | ||
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. | |
277 | --enable-threads=LIB use LIB thread package for target GCC.],, | |
278 | enable_threads='') | |
279 | ||
280 | enable_threads_flag=$enable_threads | |
281 | # Check if a valid thread package | |
282 | case x${enable_threads_flag} in | |
283 | x | xno) | |
284 | # No threads | |
285 | target_thread_file='single' | |
286 | ;; | |
287 | xyes) | |
288 | # default | |
289 | target_thread_file='' | |
290 | ;; | |
291 | xdecosf1 | xirix | xmach | xos2 | xposix | xpthreads | xsingle | \ | |
292 | xsolaris | xwin32 | xdce | xvxworks | xaix) | |
293 | target_thread_file=$enable_threads_flag | |
294 | ;; | |
295 | *) | |
296 | echo "$enable_threads is an unknown thread package" 1>&2 | |
297 | exit 1 | |
298 | ;; | |
299 | esac | |
300 | ||
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.], | |
304 | if test x$enable_objc_gc = xno; then | |
305 | objc_boehm_gc='' | |
306 | else | |
307 | objc_boehm_gc=1 | |
308 | fi, | |
309 | objc_boehm_gc='') | |
310 | ||
311 | AC_ARG_WITH(dwarf2, | |
312 | [ --with-dwarf2 force the default debug format to be DWARF2.], | |
313 | dwarf2="$with_dwarf2", | |
314 | dwarf2=no) | |
315 | ||
316 | AC_ARG_ENABLE(shared, | |
317 | [ --disable-shared don't provide a shared libgcc.], | |
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]) | |
333 | AC_SUBST(enable_shared) | |
334 | ||
335 | # Determine the host, build, and target systems | |
336 | AC_CANONICAL_SYSTEM | |
337 | ||
338 | # Find the native compiler | |
339 | AC_PROG_CC | |
340 | AC_PROG_CC_C_O | |
341 | # autoconf is lame and doesn't give us any substitution variable for this. | |
342 | if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then | |
343 | NO_MINUS_C_MINUS_O=yes | |
344 | else | |
345 | OUTPUT_OPTION='-o $@' | |
346 | fi | |
347 | AC_SUBST(NO_MINUS_C_MINUS_O) | |
348 | AC_SUBST(OUTPUT_OPTION) | |
349 | ||
350 | AC_CACHE_CHECK(whether ${CC-cc} accepts -Wno-long-long, | |
351 | ac_cv_prog_cc_no_long_long, | |
352 | [save_CFLAGS="$CFLAGS" | |
353 | CFLAGS="-Wno-long-long" | |
354 | AC_TRY_COMPILE(,,ac_cv_prog_cc_no_long_long=yes, | |
355 | ac_cv_prog_cc_no_long_long=no) | |
356 | CFLAGS="$save_CFLAGS"]) | |
357 | strict1_warn= | |
358 | if test $ac_cv_prog_cc_no_long_long = yes; then | |
359 | strict1_warn="-pedantic -Wno-long-long" | |
360 | fi | |
361 | AC_SUBST(strict1_warn) | |
362 | ||
363 | AC_PROG_CPP | |
364 | AC_C_INLINE | |
365 | gcc_AC_C_VOLATILE | |
366 | ||
367 | gcc_AC_C_LONG_DOUBLE | |
368 | gcc_AC_C_LONG_LONG | |
369 | gcc_AC_C__BOOL | |
370 | ||
371 | # sizeof(char) is 1 by definition. | |
372 | gcc_AC_COMPILE_CHECK_SIZEOF(short) | |
373 | gcc_AC_COMPILE_CHECK_SIZEOF(int) | |
374 | gcc_AC_COMPILE_CHECK_SIZEOF(long) | |
375 | if test $ac_cv_c_long_long = yes; then | |
376 | gcc_AC_COMPILE_CHECK_SIZEOF(long long) | |
377 | fi | |
378 | if test $ac_cv_c___int64 = yes; then | |
379 | gcc_AC_COMPILE_CHECK_SIZEOF(__int64) | |
380 | fi | |
381 | ||
382 | gcc_AC_C_CHARSET | |
383 | ||
384 | # If the native compiler is GCC, we can enable warnings even in stage1. | |
385 | # That's useful for people building cross-compilers, or just running a | |
386 | # quick `make'. | |
387 | warn_cflags= | |
388 | if test "x$GCC" = "xyes"; then | |
389 | warn_cflags='$(GCC_WARN_CFLAGS)' | |
390 | fi | |
391 | AC_SUBST(warn_cflags) | |
392 | ||
393 | # Stage specific cflags for build. | |
394 | stage1_cflags= | |
395 | case $build in | |
396 | vax-*-*) | |
397 | if test x$GCC = xyes | |
398 | then | |
399 | stage1_cflags="-Wa,-J" | |
400 | else | |
401 | stage1_cflags="-J" | |
402 | fi | |
403 | ;; | |
404 | esac | |
405 | AC_SUBST(stage1_cflags) | |
406 | ||
407 | AC_PROG_MAKE_SET | |
408 | ||
409 | AC_MSG_CHECKING([whether a default assembler was specified]) | |
410 | if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then | |
411 | if test x"$gas_flag" = x"no"; then | |
412 | AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER)]) | |
413 | else | |
414 | AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER - GNU as)]) | |
415 | fi | |
416 | else | |
417 | AC_MSG_RESULT(no) | |
418 | fi | |
419 | ||
420 | AC_MSG_CHECKING([whether a default linker was specified]) | |
421 | if test x"${DEFAULT_LINKER+set}" = x"set"; then | |
422 | if test x"$gnu_ld_flag" = x"no"; then | |
423 | AC_MSG_RESULT([yes ($DEFAULT_LINKER)]) | |
424 | else | |
425 | AC_MSG_RESULT([yes ($DEFAULT_LINKER - GNU ld)]) | |
426 | fi | |
427 | else | |
428 | AC_MSG_RESULT(no) | |
429 | fi | |
430 | ||
431 | AC_MSG_CHECKING(for GNU C library) | |
432 | AC_CACHE_VAL(gcc_cv_glibc, | |
433 | [AC_TRY_COMPILE( | |
434 | [#include <features.h>],[ | |
435 | #if ! (defined __GLIBC__ || defined __GNU_LIBRARY__) | |
436 | #error Not a GNU C library system | |
437 | #endif], | |
438 | [gcc_cv_glibc=yes], | |
439 | gcc_cv_glibc=no)]) | |
440 | AC_MSG_RESULT($gcc_cv_glibc) | |
441 | if test $gcc_cv_glibc = yes; then | |
442 | AC_DEFINE(_GNU_SOURCE, 1, [Always define this when using the GNU C Library]) | |
443 | fi | |
444 | ||
445 | # Find some useful tools | |
446 | AC_PROG_AWK | |
447 | gcc_AC_PROG_LN | |
448 | gcc_AC_PROG_LN_S | |
449 | AC_PROG_RANLIB | |
450 | gcc_AC_PROG_INSTALL | |
451 | ||
452 | AC_HEADER_STDC | |
453 | AC_HEADER_TIME | |
454 | gcc_AC_HEADER_STDBOOL | |
455 | gcc_AC_HEADER_STRING | |
456 | AC_HEADER_SYS_WAIT | |
457 | AC_CHECK_HEADERS(limits.h stddef.h string.h strings.h stdlib.h time.h \ | |
458 | fcntl.h unistd.h sys/file.h sys/time.h \ | |
459 | sys/resource.h sys/param.h sys/times.h sys/stat.h \ | |
460 | direct.h malloc.h langinfo.h iconv.h) | |
461 | ||
462 | # Check for thread headers. | |
463 | AC_CHECK_HEADER(thread.h, [have_thread_h=yes], [have_thread_h=]) | |
464 | AC_CHECK_HEADER(pthread.h, [have_pthread_h=yes], [have_pthread_h=]) | |
465 | ||
466 | # These tests can't be done till we know if we have limits.h. | |
467 | gcc_AC_C_CHAR_BIT | |
468 | gcc_AC_C_COMPILE_ENDIAN | |
469 | gcc_AC_C_FLOAT_FORMAT | |
470 | ||
471 | # See if GNAT has been installed | |
472 | AC_CHECK_PROG(have_gnat, gnatbind, yes, no) | |
473 | ||
474 | # See if we have the mktemp command. | |
475 | AC_CHECK_PROG(have_mktemp_command, mktemp, yes, no) | |
476 | ||
477 | # Do we have a single-tree copy of texinfo? | |
478 | if test -f $srcdir/../texinfo/Makefile.in; then | |
479 | MAKEINFO='$(objdir)/../texinfo/makeinfo/makeinfo' | |
480 | gcc_cv_prog_makeinfo_modern=yes | |
481 | AC_MSG_RESULT([Using makeinfo from the unified source tree.]) | |
482 | else | |
483 | # See if makeinfo has been installed and is modern enough | |
484 | # that we can use it. | |
485 | gcc_AC_CHECK_PROG_VER(MAKEINFO, makeinfo, --version, | |
486 | [GNU texinfo.* \([0-9][0-9.]*\)], | |
487 | [4.*]) | |
488 | fi | |
489 | ||
490 | if test $gcc_cv_prog_makeinfo_modern = no; then | |
491 | AC_MSG_WARN([ | |
492 | *** Makeinfo is missing or too old. | |
493 | *** Info documentation will not be built.]) | |
494 | BUILD_INFO= | |
495 | else | |
496 | BUILD_INFO=info AC_SUBST(BUILD_INFO) | |
497 | fi | |
498 | ||
499 | # Is pod2man recent enough to regenerate manpages? | |
500 | AC_MSG_CHECKING([for recent Pod::Man]) | |
501 | if perl -e 'use 1.10 Pod::Man' >/dev/null 2>&1; then | |
502 | AC_MSG_RESULT(yes) | |
503 | GENERATED_MANPAGES=generated-manpages AC_SUBST(GENERATED_MANPAGES) | |
504 | else | |
505 | AC_MSG_RESULT(no) | |
506 | GENERATED_MANPAGES= | |
507 | fi | |
508 | ||
509 | # How about lex? | |
510 | dnl Don't use AC_PROG_LEX; we insist on flex. | |
511 | dnl LEXLIB is not useful in gcc. | |
512 | if test -f $srcdir/../flex/skel.c; then | |
513 | FLEX='$(objdir)/../flex/flex' | |
514 | else | |
515 | AC_CHECK_PROG(FLEX, flex, flex, false) | |
516 | fi | |
517 | ||
518 | # Bison? | |
519 | # The -L switch is so bison can find its skeleton file. | |
520 | if test -f $srcdir/../bison/bison.simple; then | |
521 | BISON='$(objdir)/../bison/bison -L $(srcdir)/../bison/' | |
522 | else | |
523 | AC_CHECK_PROG(BISON, bison, bison, false) | |
524 | fi | |
525 | ||
526 | # These libraries may be used by collect2. | |
527 | # We may need a special search path to get them linked. | |
528 | AC_CACHE_CHECK(for collect2 libraries, gcc_cv_collect2_libs, | |
529 | [save_LIBS="$LIBS" | |
530 | for libs in '' -lld -lmld \ | |
531 | '-L/usr/lib/cmplrs/cc2.11 -lmld' \ | |
532 | '-L/usr/lib/cmplrs/cc3.11 -lmld' | |
533 | do | |
534 | LIBS="$libs" | |
535 | AC_TRY_LINK_FUNC(ldopen, | |
536 | [gcc_cv_collect2_libs="$libs"; break]) | |
537 | done | |
538 | LIBS="$save_LIBS" | |
539 | test -z "$gcc_cv_collect2_libs" && gcc_cv_collect2_libs='none required']) | |
540 | case $gcc_cv_collect2_libs in | |
541 | "none required") ;; | |
542 | *) COLLECT2_LIBS=$gcc_cv_collect2_libs ;; | |
543 | esac | |
544 | AC_SUBST(COLLECT2_LIBS) | |
545 | ||
546 | # When building Ada code on Alpha, we need exc_resume which is usually in | |
547 | # -lexc. So test for it. | |
548 | save_LIBS="$LIBS" | |
549 | LIBS= | |
550 | AC_SEARCH_LIBS(exc_resume, exc) | |
551 | GNAT_LIBEXC="$LIBS" | |
552 | LIBS="$save_LIBS" | |
553 | AC_SUBST(GNAT_LIBEXC) | |
554 | ||
555 | # See if the stage1 system preprocessor understands the ANSI C | |
556 | # preprocessor stringification operator. (Used by symcat.h.) | |
557 | AC_C_STRINGIZE | |
558 | ||
559 | # Use <inttypes.h> only if it exists, | |
560 | # doesn't clash with <sys/types.h>, and declares intmax_t. | |
561 | AC_MSG_CHECKING(for inttypes.h) | |
562 | AC_CACHE_VAL(gcc_cv_header_inttypes_h, | |
563 | [AC_TRY_COMPILE( | |
564 | [#include <sys/types.h> | |
565 | #include <inttypes.h>], | |
566 | [intmax_t i = -1;], | |
567 | [gcc_cv_header_inttypes_h=yes], | |
568 | gcc_cv_header_inttypes_h=no)]) | |
569 | AC_MSG_RESULT($gcc_cv_header_inttypes_h) | |
570 | if test $gcc_cv_header_inttypes_h = yes; then | |
571 | AC_DEFINE(HAVE_INTTYPES_H, 1, | |
572 | [Define if you have a working <inttypes.h> header file.]) | |
573 | fi | |
574 | ||
575 | dnl Disabled until we have a complete test for buggy enum bitfields. | |
576 | dnl gcc_AC_C_ENUM_BF_UNSIGNED | |
577 | ||
578 | AC_CHECK_FUNCS(strtoul bsearch popen times clock \ | |
579 | strchr strrchr kill getrlimit setrlimit atoll atoq \ | |
580 | sysconf isascii gettimeofday strsignal putc_unlocked fputc_unlocked \ | |
581 | fputs_unlocked getrusage iconv nl_langinfo lstat) | |
582 | ||
583 | AC_CHECK_TYPE(ssize_t, int) | |
584 | ||
585 | # Try to determine the array type of the second argument of getgroups | |
586 | # for the target system (int or gid_t). | |
587 | AC_TYPE_GETGROUPS | |
588 | if test "${target}" = "${build}"; then | |
589 | TARGET_GETGROUPS_T=$ac_cv_type_getgroups | |
590 | else | |
591 | case "${target}" in | |
592 | # This condition may need some tweaking. It should include all | |
593 | # targets where the array type of the second argument of getgroups | |
594 | # is int and the type of gid_t is not equivalent to int. | |
595 | *-*-sunos* | *-*-ultrix*) | |
596 | TARGET_GETGROUPS_T=int | |
597 | ;; | |
598 | *) | |
599 | TARGET_GETGROUPS_T=gid_t | |
600 | ;; | |
601 | esac | |
602 | fi | |
603 | AC_SUBST(TARGET_GETGROUPS_T) | |
604 | ||
605 | gcc_AC_FUNC_VFPRINTF_DOPRNT | |
606 | gcc_AC_FUNC_STRSTR | |
607 | gcc_AC_FUNC_PRINTF_PTR | |
608 | ||
609 | case "${host}" in | |
610 | *-*-uwin*) | |
611 | AC_MSG_ERROR([ | |
612 | *** UWIN may not be used as a host platform because | |
613 | *** linking with posix.dll is not allowed by the GNU GPL]) | |
614 | ;; | |
615 | esac | |
616 | AC_FUNC_VFORK | |
617 | AC_FUNC_MMAP_ANYWHERE | |
618 | AC_FUNC_MMAP_FILE | |
619 | ||
620 | # We will need to find libiberty.h and ansidecl.h | |
621 | saved_CFLAGS="$CFLAGS" | |
622 | CFLAGS="$CFLAGS -I${srcdir} -I${srcdir}/../include" | |
623 | gcc_AC_CHECK_DECLS(getenv atol sbrk abort atof getcwd getwd \ | |
624 | strsignal putc_unlocked fputs_unlocked strstr environ errno \ | |
625 | malloc realloc calloc free basename getopt clock, , ,[ | |
626 | #include "ansidecl.h" | |
627 | #include "system.h"]) | |
628 | ||
629 | gcc_AC_CHECK_DECLS(getrlimit setrlimit getrusage, , ,[ | |
630 | #include "ansidecl.h" | |
631 | #include "system.h" | |
632 | #ifdef HAVE_SYS_RESOURCE_H | |
633 | #include <sys/resource.h> | |
634 | #endif | |
635 | ]) | |
636 | ||
637 | gcc_AC_CHECK_DECLS(times, , ,[ | |
638 | #include "ansidecl.h" | |
639 | #include "system.h" | |
640 | #ifdef HAVE_SYS_TIMES_H | |
641 | #include <sys/times.h> | |
642 | #endif | |
643 | ]) | |
644 | ||
645 | # More time-related stuff. | |
646 | AC_CACHE_CHECK(for struct tms, ac_cv_struct_tms, [ | |
647 | AC_TRY_COMPILE([ | |
648 | #include "ansidecl.h" | |
649 | #include "system.h" | |
650 | #ifdef HAVE_SYS_TIMES_H | |
651 | #include <sys/times.h> | |
652 | #endif | |
653 | ], [struct tms tms;], ac_cv_struct_tms=yes, ac_cv_struct_tms=no)]) | |
654 | if test $ac_cv_struct_tms = yes; then | |
655 | AC_DEFINE(HAVE_STRUCT_TMS, 1, | |
656 | [Define if <sys/times.h> defines struct tms.]) | |
657 | fi | |
658 | ||
659 | # use gcc_cv_* here because this doesn't match the behavior of AC_CHECK_TYPE. | |
660 | # revisit after autoconf 2.50. | |
661 | AC_CACHE_CHECK(for clock_t, gcc_cv_type_clock_t, [ | |
662 | AC_TRY_COMPILE([ | |
663 | #include "ansidecl.h" | |
664 | #include "system.h" | |
665 | ], [clock_t x;], gcc_cv_type_clock_t=yes, gcc_cv_type_clock_t=no)]) | |
666 | if test $gcc_cv_type_clock_t = yes; then | |
667 | AC_DEFINE(HAVE_CLOCK_T, 1, | |
668 | [Define if <time.h> defines clock_t.]) | |
669 | fi | |
670 | ||
671 | # Restore CFLAGS from before the gcc_AC_NEED_DECLARATIONS tests. | |
672 | CFLAGS="$saved_CFLAGS" | |
673 | ||
674 | # mkdir takes a single argument on some systems. | |
675 | gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG | |
676 | ||
677 | # File extensions | |
678 | manext='.1' | |
679 | objext='.o' | |
680 | AC_SUBST(manext) | |
681 | AC_SUBST(objext) | |
682 | ||
683 | build_xm_file= | |
684 | build_xm_defines= | |
685 | build_install_headers_dir=install-headers-tar | |
686 | build_exeext= | |
687 | host_xm_file= | |
688 | host_xm_defines= | |
689 | host_xmake_file= | |
690 | host_truncate_target= | |
691 | host_exeext= | |
692 | ||
693 | # Decode the host machine, then the target machine. | |
694 | # For the host machine, we save the xm_file variable as host_xm_file; | |
695 | # then we decode the target machine and forget everything else | |
696 | # that came from the host machine. | |
697 | for machine in $build $host $target; do | |
698 | . ${srcdir}/config.gcc | |
699 | done | |
700 | ||
701 | extra_objs="${host_extra_objs} ${extra_objs}" | |
702 | ||
703 | # Default the target-machine variables that were not explicitly set. | |
704 | if test x"$tm_file" = x | |
705 | then tm_file=$cpu_type/$cpu_type.h; fi | |
706 | ||
707 | if test x"$extra_headers" = x | |
708 | then extra_headers=; fi | |
709 | ||
710 | if test x$md_file = x | |
711 | then md_file=$cpu_type/$cpu_type.md; fi | |
712 | ||
713 | if test x$out_file = x | |
714 | then out_file=$cpu_type/$cpu_type.c; fi | |
715 | ||
716 | if test x"$tmake_file" = x | |
717 | then tmake_file=$cpu_type/t-$cpu_type | |
718 | fi | |
719 | ||
720 | if test x"$dwarf2" = xyes | |
721 | then tm_file="$tm_file tm-dwarf2.h" | |
722 | fi | |
723 | ||
724 | if test x$float_format = x | |
725 | then float_format=i64 | |
726 | fi | |
727 | ||
728 | if test $float_format = none | |
729 | then float_h_file=Makefile.in | |
730 | else float_h_file=float-$float_format.h | |
731 | fi | |
732 | ||
733 | # Handle cpp installation. | |
734 | if test x$enable_cpp != xno | |
735 | then | |
736 | tmake_file="$tmake_file t-install-cpp" | |
737 | fi | |
738 | ||
739 | # Say what files are being used for the output code and MD file. | |
740 | echo "Using \`$srcdir/config/$out_file' for machine-specific logic." | |
741 | echo "Using \`$srcdir/config/$md_file' as machine description file." | |
742 | ||
743 | # If any of the xm_file variables contain nonexistent files, warn | |
744 | # about them and drop them. | |
745 | ||
746 | bx= | |
747 | for x in $build_xm_file; do | |
748 | if test -f $srcdir/config/$x | |
749 | then bx="$bx $x" | |
750 | else AC_MSG_WARN($srcdir/config/$x does not exist.) | |
751 | fi | |
752 | done | |
753 | build_xm_file="$bx" | |
754 | ||
755 | hx= | |
756 | for x in $host_xm_file; do | |
757 | if test -f $srcdir/config/$x | |
758 | then hx="$hx $x" | |
759 | else AC_MSG_WARN($srcdir/config/$x does not exist.) | |
760 | fi | |
761 | done | |
762 | host_xm_file="$hx" | |
763 | ||
764 | tx= | |
765 | for x in $xm_file; do | |
766 | if test -f $srcdir/config/$x | |
767 | then tx="$tx $x" | |
768 | else AC_MSG_WARN($srcdir/config/$x does not exist.) | |
769 | fi | |
770 | done | |
771 | xm_file="$tx" | |
772 | ||
773 | count=a | |
774 | for f in $tm_file; do | |
775 | count=${count}x | |
776 | done | |
777 | if test $count = ax; then | |
778 | echo "Using \`$srcdir/config/$tm_file' as target machine macro file." | |
779 | else | |
780 | echo "Using the following target machine macro files:" | |
781 | for f in $tm_file; do | |
782 | echo " $srcdir/config/$f" | |
783 | done | |
784 | fi | |
785 | ||
786 | count=a | |
787 | for f in $host_xm_file; do | |
788 | count=${count}x | |
789 | done | |
790 | if test $count = a; then | |
791 | : | |
792 | elif test $count = ax; then | |
793 | echo "Using \`$srcdir/config/$host_xm_file' as host machine macro file." | |
794 | else | |
795 | echo "Using the following host machine macro files:" | |
796 | for f in $host_xm_file; do | |
797 | echo " $srcdir/config/$f" | |
798 | done | |
799 | fi | |
800 | ||
801 | if test "$host_xm_file" != "$build_xm_file"; then | |
802 | count=a | |
803 | for f in $build_xm_file; do | |
804 | count=${count}x | |
805 | done | |
806 | if test $count = a; then | |
807 | : | |
808 | elif test $count = ax; then | |
809 | echo "Using \`$srcdir/config/$build_xm_file' as build machine macro file." | |
810 | else | |
811 | echo "Using the following build machine macro files:" | |
812 | for f in $build_xm_file; do | |
813 | echo " $srcdir/config/$f" | |
814 | done | |
815 | fi | |
816 | fi | |
817 | ||
818 | if test x$thread_file = x; then | |
819 | if test x$target_thread_file != x; then | |
820 | thread_file=$target_thread_file | |
821 | else | |
822 | thread_file='single' | |
823 | fi | |
824 | fi | |
825 | ||
826 | # auto-host.h is the file containing items generated by autoconf and is | |
827 | # the first file included by config.h. | |
828 | # If host=build, it is correct to have hconfig include auto-host.h | |
829 | # as well. If host!=build, we are in error and need to do more | |
830 | # work to find out the build config parameters. | |
831 | if test x$host = x$build | |
832 | then | |
833 | build_auto=auto-host.h | |
834 | else | |
835 | # We create a subdir, then run autoconf in the subdir. | |
836 | # To prevent recursion we set host and build for the new | |
837 | # invocation of configure to the build for this invocation | |
838 | # of configure. | |
839 | tempdir=build.$$ | |
840 | rm -rf $tempdir | |
841 | mkdir $tempdir | |
842 | cd $tempdir | |
843 | case ${srcdir} in | |
844 | /* | [A-Za-z]:[\\/]* ) realsrcdir=${srcdir};; | |
845 | *) realsrcdir=../${srcdir};; | |
846 | esac | |
847 | CC=${CC_FOR_BUILD} ${realsrcdir}/configure \ | |
848 | --target=$target --host=$build --build=$build | |
849 | ||
850 | # We just finished tests for the build machine, so rename | |
851 | # the file auto-build.h in the gcc directory. | |
852 | mv auto-host.h ../auto-build.h | |
853 | cd .. | |
854 | rm -rf $tempdir | |
855 | build_auto=auto-build.h | |
856 | fi | |
857 | ||
858 | tm_file="${tm_file} defaults.h" | |
859 | host_xm_file="auto-host.h ansidecl.h ${host_xm_file} ${tm_file}" | |
860 | build_xm_file="${build_auto} ansidecl.h ${build_xm_file} ${tm_file}" | |
861 | xm_file="ansidecl.h ${xm_file} ${tm_file}" | |
862 | ||
863 | # Truncate the target if necessary | |
864 | if test x$host_truncate_target != x; then | |
865 | target=`echo $target | sed -e 's/\(..............\).*/\1/'` | |
866 | fi | |
867 | ||
868 | # Get the version trigger filename from the toplevel | |
869 | if test "${with_gcc_version_trigger+set}" = set; then | |
870 | gcc_version_trigger=$with_gcc_version_trigger | |
871 | else | |
872 | gcc_version_trigger=${srcdir}/version.c | |
873 | fi | |
874 | changequote(,)dnl | |
875 | gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*"\([^"]*\)".*/\1/'` | |
876 | gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'` | |
877 | ||
878 | # Compile in configure arguments. | |
879 | if test -f configargs.h ; then | |
880 | # Being re-configured. | |
881 | gcc_config_arguments=`grep configuration_arguments configargs.h | sed -e 's/.*"\([^"]*\)".*/\1/'` | |
882 | gcc_config_arguments="$gcc_config_arguments : (reconfigured) $TOPLEVEL_CONFIGURE_ARGUMENTS" | |
883 | else | |
884 | gcc_config_arguments="$TOPLEVEL_CONFIGURE_ARGUMENTS" | |
885 | fi | |
886 | cat > configargs.h <<EOF | |
887 | /* Generated automatically. */ | |
888 | static const char configuration_arguments[] = "$gcc_config_arguments"; | |
889 | static const char thread_model[] = "$thread_file"; | |
890 | EOF | |
891 | changequote([,])dnl | |
892 | ||
893 | # Internationalization | |
894 | PACKAGE=gcc | |
895 | VERSION="$gcc_version" | |
896 | AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", | |
897 | [Define to the name of the distribution.]) | |
898 | AC_DEFINE_UNQUOTED(VERSION, "$VERSION", | |
899 | [Define to the version of the distribution.]) | |
900 | AC_SUBST(PACKAGE) | |
901 | AC_SUBST(VERSION) | |
902 | ||
903 | ALL_LINGUAS="sv" | |
904 | ||
905 | # Enable NLS support by default | |
906 | AC_ARG_ENABLE(nls, | |
907 | [ --enable-nls use Native Language Support (default)], | |
908 | , enable_nls=yes) | |
909 | ||
910 | # if cross compiling, disable NLS support. | |
911 | # It's not worth the trouble, at least for now. | |
912 | ||
913 | if test "${build}" != "${host}" && test "x$enable_nls" = "xyes"; then | |
914 | AC_MSG_WARN(Disabling NLS support for canadian cross compiler.) | |
915 | enable_nls=no | |
916 | fi | |
917 | ||
918 | # if NLS is enabled, also enable check in po subdir | |
919 | if test $enable_nls = yes; then | |
920 | CHECK_PO=check-po | |
921 | else | |
922 | CHECK_PO="" | |
923 | fi | |
924 | ||
925 | AC_SUBST(CHECK_PO) | |
926 | ||
927 | AM_GNU_GETTEXT | |
928 | XGETTEXT="AWK='$AWK' \$(SHELL) \$(top_srcdir)/exgettext $XGETTEXT" | |
929 | ||
930 | # Windows32 Registry support for specifying GCC installation paths. | |
931 | AC_ARG_ENABLE(win32-registry, | |
932 | [ --disable-win32-registry | |
933 | Disable lookup of installation paths in the | |
934 | Registry on Windows hosts. | |
935 | --enable-win32-registry Enable registry lookup (default). | |
936 | --enable-win32-registry=KEY | |
937 | Use KEY instead of GCC version as the last portion | |
938 | of the registry key.],,) | |
939 | case $host_os in | |
940 | win32 | pe | cygwin* | mingw32* | uwin*) | |
941 | AC_MSG_CHECKING(whether windows registry support is requested) | |
942 | if test "x$enable_win32_registry" != xno; then | |
943 | AC_DEFINE(ENABLE_WIN32_REGISTRY, 1, | |
944 | [Define to 1 if installation paths should be looked up in Windows32 | |
945 | Registry. Ignored on non windows32 hosts.]) | |
946 | AC_MSG_RESULT(yes) | |
947 | AC_SEARCH_LIBS(RegOpenKeyExA, advapi32) | |
948 | else | |
949 | AC_MSG_RESULT(no) | |
950 | fi | |
951 | ||
952 | # Check if user specified a different registry key. | |
953 | case "x${enable_win32_registry}" in | |
954 | x | xyes) | |
955 | # default. | |
956 | gcc_cv_win32_registry_key="$VERSION" | |
957 | ;; | |
958 | xno) | |
959 | # no registry lookup. | |
960 | gcc_cv_win32_registry_key='' | |
961 | ;; | |
962 | *) | |
963 | # user-specified key. | |
964 | gcc_cv_win32_registry_key="$enable_win32_registry" | |
965 | ;; | |
966 | esac | |
967 | ||
968 | if test "x$enable_win32_registry" != xno; then | |
969 | AC_MSG_CHECKING(registry key on windows hosts) | |
970 | AC_DEFINE_UNQUOTED(WIN32_REGISTRY_KEY, "$gcc_cv_win32_registry_key", | |
971 | [Define to be the last portion of registry key on windows hosts.]) | |
972 | AC_MSG_RESULT($gcc_cv_win32_registry_key) | |
973 | fi | |
974 | ;; | |
975 | esac | |
976 | ||
977 | # Get an absolute path to the GCC top-level source directory | |
978 | holddir=`pwd` | |
979 | cd $srcdir | |
980 | topdir=`pwd` | |
981 | cd $holddir | |
982 | ||
983 | # Conditionalize the makefile for this host machine. | |
984 | # Make-host contains the concatenation of all host makefile fragments | |
985 | # [there can be more than one]. This file is built by configure.frag. | |
986 | host_overrides=Make-host | |
987 | dep_host_xmake_file= | |
988 | for f in .. ${host_xmake_file} | |
989 | do | |
990 | if test -f ${srcdir}/config/$f | |
991 | then | |
992 | dep_host_xmake_file="${dep_host_xmake_file} ${srcdir}/config/$f" | |
993 | fi | |
994 | done | |
995 | ||
996 | # Conditionalize the makefile for this target machine. | |
997 | # Make-target contains the concatenation of all host makefile fragments | |
998 | # [there can be more than one]. This file is built by configure.frag. | |
999 | target_overrides=Make-target | |
1000 | dep_tmake_file= | |
1001 | for f in .. ${tmake_file} | |
1002 | do | |
1003 | if test -f ${srcdir}/config/$f | |
1004 | then | |
1005 | dep_tmake_file="${dep_tmake_file} ${srcdir}/config/$f" | |
1006 | fi | |
1007 | done | |
1008 | ||
1009 | # If the host doesn't support symlinks, modify CC in | |
1010 | # FLAGS_TO_PASS so CC="stage1/xgcc -Bstage1/" works. | |
1011 | # Otherwise, we can use "CC=$(CC)". | |
1012 | rm -f symtest.tem | |
1013 | if $symbolic_link $srcdir/gcc.c symtest.tem 2>/dev/null | |
1014 | then | |
1015 | cc_set_by_configure="\$(CC)" | |
1016 | quoted_cc_set_by_configure="\$(CC)" | |
1017 | stage_prefix_set_by_configure="\$(STAGE_PREFIX)" | |
1018 | else | |
1019 | rm -f symtest.tem | |
1020 | if cp -p $srcdir/gcc.c symtest.tem 2>/dev/null | |
1021 | then | |
1022 | symbolic_link="cp -p" | |
1023 | else | |
1024 | symbolic_link="cp" | |
1025 | fi | |
1026 | cc_set_by_configure="\`case '\$(CC)' in stage*) echo '\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\$(CC)';; esac\`" | |
1027 | quoted_cc_set_by_configure="\\\`case '\\\$(CC)' in stage*) echo '\\\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(CC)';; esac\\\`" | |
1028 | stage_prefix_set_by_configure="\`case '\$(STAGE_PREFIX)' in stage*) echo '\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\$(STAGE_PREFIX)';; esac\`" | |
1029 | fi | |
1030 | rm -f symtest.tem | |
1031 | ||
1032 | out_object_file=`basename $out_file .c`.o | |
1033 | ||
1034 | tm_file_list= | |
1035 | for f in $tm_file; do | |
1036 | case $f in | |
1037 | ansidecl.h ) | |
1038 | tm_file_list="${tm_file_list} \$(srcdir)/../include/ansidecl.h" ;; | |
1039 | defaults.h ) | |
1040 | tm_file_list="${tm_file_list} $f" ;; | |
1041 | *) tm_file_list="${tm_file_list} \$(srcdir)/config/$f" ;; | |
1042 | esac | |
1043 | done | |
1044 | ||
1045 | tm_p_file_list= | |
1046 | for f in $tm_p_file; do | |
1047 | tm_p_file_list="${tm_p_file_list} \$(srcdir)/config/$f" | |
1048 | done | |
1049 | ||
1050 | host_xm_file_list= | |
1051 | for f in $host_xm_file; do | |
1052 | case $f in | |
1053 | ansidecl.h ) | |
1054 | host_xm_file_list="${host_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;; | |
1055 | auto-host.h | defaults.h ) | |
1056 | host_xm_file_list="${host_xm_file_list} $f" ;; | |
1057 | *) host_xm_file_list="${host_xm_file_list} \$(srcdir)/config/$f" ;; | |
1058 | esac | |
1059 | done | |
1060 | ||
1061 | build_xm_file_list= | |
1062 | for f in $build_xm_file; do | |
1063 | case $f in | |
1064 | ansidecl.h ) | |
1065 | build_xm_file_list="${build_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;; | |
1066 | auto-build.h | auto-host.h | defaults.h ) | |
1067 | build_xm_file_list="${build_xm_file_list} $f" ;; | |
1068 | *) build_xm_file_list="${build_xm_file_list} \$(srcdir)/config/$f" ;; | |
1069 | esac | |
1070 | done | |
1071 | ||
1072 | # Define macro CROSS_COMPILE in compilation | |
1073 | # if this is a cross-compiler. | |
1074 | # Also use all.cross instead of all.internal | |
1075 | # and add cross-make to Makefile. | |
1076 | cross_overrides="/dev/null" | |
1077 | if test x$host != x$target | |
1078 | then | |
1079 | cross_defines="CROSS=-DCROSS_COMPILE" | |
1080 | cross_overrides="${topdir}/cross-make" | |
1081 | fi | |
1082 | ||
1083 | # If this is a cross-compiler that does not | |
1084 | # have its own set of headers then define | |
1085 | # inhibit_libc | |
1086 | ||
1087 | # If this is using newlib, then define inhibit_libc in LIBGCC2_CFLAGS. | |
1088 | # This prevents libgcc2 from containing any code which requires libc | |
1089 | # support. | |
1090 | inhibit_libc= | |
1091 | if [test x$host != x$target] && [test x$with_headers = x]; then | |
1092 | inhibit_libc=-Dinhibit_libc | |
1093 | else | |
1094 | if [test x$with_newlib = xyes]; then | |
1095 | inhibit_libc=-Dinhibit_libc | |
1096 | fi | |
1097 | fi | |
1098 | AC_SUBST(inhibit_libc) | |
1099 | ||
1100 | # When building gcc with a cross-compiler, we need to fix a few things. | |
1101 | # This must come after cross-make as we want all.build to override | |
1102 | # all.cross. | |
1103 | build_overrides="/dev/null" | |
1104 | if test x$build != x$host | |
1105 | then | |
1106 | build_overrides="${topdir}/build-make" | |
1107 | fi | |
1108 | ||
1109 | # Expand extra_headers to include complete path. | |
1110 | # This substitutes for lots of t-* files. | |
1111 | extra_headers_list= | |
1112 | if test "x$extra_headers" = x | |
1113 | then true | |
1114 | else | |
1115 | # Prepend ${srcdir}/ginclude/ to every entry in extra_headers. | |
1116 | for file in $extra_headers; | |
1117 | do | |
1118 | extra_headers_list="${extra_headers_list} \$(srcdir)/ginclude/${file}" | |
1119 | done | |
1120 | fi | |
1121 | ||
1122 | if test x$use_collect2 = xno; then | |
1123 | use_collect2= | |
1124 | fi | |
1125 | ||
1126 | # Add a definition of USE_COLLECT2 if system wants one. | |
1127 | # Also tell toplev.c what to do. | |
1128 | # This substitutes for lots of t-* files. | |
1129 | if test x$use_collect2 = x | |
1130 | then | |
1131 | will_use_collect2= | |
1132 | maybe_use_collect2= | |
1133 | else | |
1134 | will_use_collect2="collect2" | |
1135 | maybe_use_collect2="-DUSE_COLLECT2" | |
1136 | fi | |
1137 | ||
1138 | # If we have gas in the build tree, make a link to it. | |
1139 | if test -f ../gas/Makefile; then | |
1140 | rm -f as; $symbolic_link ../gas/as-new$host_exeext as$host_exeext 2>/dev/null | |
1141 | fi | |
1142 | ||
1143 | # If we have nm in the build tree, make a link to it. | |
1144 | if test -f ../binutils/Makefile; then | |
1145 | rm -f nm; $symbolic_link ../binutils/nm-new$host_exeext nm$host_exeext 2>/dev/null | |
1146 | fi | |
1147 | ||
1148 | # If we have ld in the build tree, make a link to it. | |
1149 | if test -f ../ld/Makefile; then | |
1150 | # if test x$use_collect2 = x; then | |
1151 | # rm -f ld; $symbolic_link ../ld/ld-new$host_exeext ld$host_exeext 2>/dev/null | |
1152 | # else | |
1153 | rm -f collect-ld; $symbolic_link ../ld/ld-new$host_exeext collect-ld$host_exeext 2>/dev/null | |
1154 | # fi | |
1155 | fi | |
1156 | ||
1157 | # Figure out what assembler we will be using. | |
1158 | AC_MSG_CHECKING(what assembler to use) | |
1159 | gcc_cv_as= | |
1160 | gcc_cv_gas_major_version= | |
1161 | gcc_cv_gas_minor_version= | |
1162 | gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/gas | |
1163 | if test -x "$DEFAULT_ASSEMBLER"; then | |
1164 | gcc_cv_as="$DEFAULT_ASSEMBLER" | |
1165 | elif test -x "$AS"; then | |
1166 | gcc_cv_as="$AS" | |
1167 | elif test -x as$host_exeext; then | |
1168 | # Build using assembler in the current directory. | |
1169 | gcc_cv_as=./as$host_exeext | |
1170 | elif test -f $gcc_cv_as_gas_srcdir/configure.in -a -f ../gas/Makefile; then | |
1171 | # Single tree build which includes gas. | |
1172 | for f in $gcc_cv_as_gas_srcdir/configure $gcc_cv_as_gas_srcdir/configure.in $gcc_cv_as_gas_srcdir/Makefile.in | |
1173 | do | |
1174 | changequote(,)dnl | |
1175 | gcc_cv_gas_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f` | |
1176 | changequote([,])dnl | |
1177 | if test x$gcc_cv_gas_version != x; then | |
1178 | break | |
1179 | fi | |
1180 | done | |
1181 | changequote(,)dnl | |
1182 | gcc_cv_gas_major_version=`expr "$gcc_cv_gas_version" : "VERSION=\([0-9]*\)"` | |
1183 | gcc_cv_gas_minor_version=`expr "$gcc_cv_gas_version" : "VERSION=[0-9]*\.\([0-9]*\)"` | |
1184 | changequote([,])dnl | |
1185 | fi | |
1186 | ||
1187 | if test "x$gcc_cv_as" = x -a x$host = x$target; then | |
1188 | # Native build. | |
1189 | # Search the same directories that the installed compiler will | |
1190 | # search. Else we may find the wrong assembler and lose. If we | |
1191 | # do not find a suitable assembler binary, then try the user's | |
1192 | # path. | |
1193 | # | |
1194 | # Also note we have to check MD_EXEC_PREFIX before checking the | |
1195 | # user's path. Unfortunately, there is no good way to get at the | |
1196 | # value of MD_EXEC_PREFIX here. So we do a brute force search | |
1197 | # through all the known MD_EXEC_PREFIX values. Ugh. This needs | |
1198 | # to be fixed as part of the make/configure rewrite too. | |
1199 | ||
1200 | if test "x$exec_prefix" = xNONE; then | |
1201 | if test "x$prefix" = xNONE; then | |
1202 | test_prefix=/usr/local | |
1203 | else | |
1204 | test_prefix=$prefix | |
1205 | fi | |
1206 | else | |
1207 | test_prefix=$exec_prefix | |
1208 | fi | |
1209 | ||
1210 | # If the loop below does not find an assembler, then use whatever | |
1211 | # one we can find in the users's path. | |
1212 | # user's path. | |
1213 | gcc_cv_as=as$host_exeext | |
1214 | ||
1215 | test_dirs="$test_prefix/lib/gcc-lib/$target/$gcc_version \ | |
1216 | $test_prefix/lib/gcc-lib/$target \ | |
1217 | /usr/lib/gcc/$target/$gcc_version \ | |
1218 | /usr/lib/gcc/$target \ | |
1219 | $test_prefix/$target/bin/$target/$gcc_version \ | |
1220 | $test_prefix/$target/bin \ | |
1221 | /usr/libexec \ | |
1222 | /usr/ccs/gcc \ | |
1223 | /usr/ccs/bin \ | |
1224 | /udk/usr/ccs/bin \ | |
1225 | /bsd43/usr/lib/cmplrs/cc \ | |
1226 | /usr/cross64/usr/bin \ | |
1227 | /usr/lib/cmplrs/cc \ | |
1228 | /sysv/usr/lib/cmplrs/cc \ | |
1229 | /svr4/usr/lib/cmplrs/cc \ | |
1230 | /usr/bin" | |
1231 | ||
1232 | for dir in $test_dirs; do | |
1233 | if test -f $dir/as$host_exeext; then | |
1234 | gcc_cv_as=$dir/as$host_exeext | |
1235 | break; | |
1236 | fi | |
1237 | done | |
1238 | fi | |
1239 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then | |
1240 | AC_MSG_RESULT("newly built gas") | |
1241 | else | |
1242 | AC_MSG_RESULT($gcc_cv_as) | |
1243 | fi | |
1244 | ||
1245 | # Figure out what nm we will be using. | |
1246 | AC_MSG_CHECKING(what nm to use) | |
1247 | if test -x nm$host_exeext; then | |
1248 | gcc_cv_nm=./nm$host_exeext | |
1249 | elif test x$host = x$target; then | |
1250 | # Native build. | |
1251 | gcc_cv_nm=nm$host_exeext | |
1252 | fi | |
1253 | AC_MSG_RESULT($gcc_cv_nm) | |
1254 | ||
1255 | # Figure out what assembler alignment features are present. | |
1256 | AC_MSG_CHECKING(assembler alignment features) | |
1257 | gcc_cv_as_alignment_features=none | |
1258 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then | |
1259 | # Gas version 2.6 and later support for .balign and .p2align. | |
1260 | # bytes to skip when using .p2align. | |
1261 | if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 6 -o "$gcc_cv_gas_major_version" -gt 2; then | |
1262 | gcc_cv_as_alignment_features=".balign and .p2align" | |
1263 | AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN) | |
1264 | fi | |
1265 | # Gas version 2.8 and later support specifying the maximum | |
1266 | # bytes to skip when using .p2align. | |
1267 | if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 8 -o "$gcc_cv_gas_major_version" -gt 2; then | |
1268 | gcc_cv_as_alignment_features=".p2align including maximum skip" | |
1269 | AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN) | |
1270 | fi | |
1271 | elif test x$gcc_cv_as != x; then | |
1272 | # Check if we have .balign and .p2align | |
1273 | echo ".balign 4" > conftest.s | |
1274 | echo ".p2align 2" >> conftest.s | |
1275 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
1276 | gcc_cv_as_alignment_features=".balign and .p2align" | |
1277 | AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN) | |
1278 | fi | |
1279 | rm -f conftest.s conftest.o | |
1280 | # Check if specifying the maximum bytes to skip when | |
1281 | # using .p2align is supported. | |
1282 | echo ".p2align 4,,7" > conftest.s | |
1283 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
1284 | gcc_cv_as_alignment_features=".p2align including maximum skip" | |
1285 | AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN) | |
1286 | fi | |
1287 | rm -f conftest.s conftest.o | |
1288 | fi | |
1289 | AC_MSG_RESULT($gcc_cv_as_alignment_features) | |
1290 | ||
1291 | AC_MSG_CHECKING(assembler subsection support) | |
1292 | gcc_cv_as_subsections=no | |
1293 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then | |
1294 | if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then | |
1295 | gcc_cv_as_subsections="working .subsection -1" | |
1296 | fi | |
1297 | elif test x$gcc_cv_as != x; then | |
1298 | # Check if we have .subsection | |
1299 | echo ".subsection 1" > conftest.s | |
1300 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
1301 | gcc_cv_as_subsections=".subsection" | |
1302 | if test x$gcc_cv_nm != x; then | |
1303 | cat > conftest.s <<EOF | |
1304 | conftest_label1: .word 0 | |
1305 | .subsection -1 | |
1306 | conftest_label2: .word 0 | |
1307 | .previous | |
1308 | EOF | |
1309 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
1310 | $gcc_cv_nm conftest.o | grep conftest_label1 > conftest.nm1 | |
1311 | $gcc_cv_nm conftest.o | grep conftest_label2 | sed -e 's/label2/label1/' > conftest.nm2 | |
1312 | if cmp conftest.nm1 conftest.nm2 > /dev/null 2>&1; then | |
1313 | : | |
1314 | else | |
1315 | gcc_cv_as_subsections="working .subsection -1" | |
1316 | fi | |
1317 | fi | |
1318 | fi | |
1319 | fi | |
1320 | rm -f conftest.s conftest.o conftest.nm1 conftest.nm2 | |
1321 | fi | |
1322 | if test x"$gcc_cv_as_subsections" = x"working .subsection -1"; then | |
1323 | AC_DEFINE(HAVE_GAS_SUBSECTION_ORDERING, 1, | |
1324 | [Define if your assembler supports .subsection and .subsection -1 starts | |
1325 | emitting at the beginning of your section.]) | |
1326 | fi | |
1327 | AC_MSG_RESULT($gcc_cv_as_subsections) | |
1328 | ||
1329 | AC_MSG_CHECKING(assembler weak support) | |
1330 | gcc_cv_as_weak=no | |
1331 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then | |
1332 | if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 2 -o "$gcc_cv_gas_major_version" -gt 2; then | |
1333 | gcc_cv_as_weak="yes" | |
1334 | fi | |
1335 | elif test x$gcc_cv_as != x; then | |
1336 | # Check if we have .weak | |
1337 | echo " .weak foobar" > conftest.s | |
1338 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
1339 | gcc_cv_as_weak="yes" | |
1340 | fi | |
1341 | rm -f conftest.s conftest.o conftest.nm1 conftest.nm2 | |
1342 | fi | |
1343 | if test x"$gcc_cv_as_weak" = xyes; then | |
1344 | AC_DEFINE(HAVE_GAS_WEAK, 1, [Define if your assembler supports .weak.]) | |
1345 | fi | |
1346 | AC_MSG_RESULT($gcc_cv_as_weak) | |
1347 | ||
1348 | AC_MSG_CHECKING(assembler hidden support) | |
1349 | gcc_cv_as_hidden=no | |
1350 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then | |
1351 | if test "$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 | |
1352 | gcc_cv_as_hidden="yes" | |
1353 | fi | |
1354 | elif test x$gcc_cv_as != x; then | |
1355 | # Check if we have .hidden | |
1356 | echo " .hidden foobar" > conftest.s | |
1357 | echo "foobar:" >> conftest.s | |
1358 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
1359 | gcc_cv_as_hidden="yes" | |
1360 | fi | |
1361 | rm -f conftest.s conftest.o conftest.nm1 conftest.nm2 | |
1362 | fi | |
1363 | if test x"$gcc_cv_as_hidden" = xyes; then | |
1364 | AC_DEFINE(HAVE_GAS_HIDDEN, 1, | |
1365 | [Define if your assembler supports .hidden.]) | |
1366 | fi | |
1367 | AC_MSG_RESULT($gcc_cv_as_hidden) | |
1368 | ||
1369 | AC_MSG_CHECKING(assembler leb128 support) | |
1370 | gcc_cv_as_leb128=no | |
1371 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then | |
1372 | if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 11 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then | |
1373 | gcc_cv_as_leb128="yes" | |
1374 | fi | |
1375 | elif test x$gcc_cv_as != x; then | |
1376 | # Check if we have .[us]leb128, and support symbol arithmetic with it. | |
1377 | cat > conftest.s <<EOF | |
1378 | .data | |
1379 | .uleb128 L2 - L1 | |
1380 | L1: | |
1381 | .uleb128 1280 | |
1382 | .sleb128 -1010 | |
1383 | L2: | |
1384 | EOF | |
1385 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
1386 | gcc_cv_as_leb128="yes" | |
1387 | ||
1388 | # GAS versions before 2.11 do not support uleb128, | |
1389 | # despite appearing to. | |
1390 | # ??? There exists an elf-specific test that will crash | |
1391 | # the assembler. Perhaps it's better to figure out whether | |
1392 | # arbitrary sections are supported and try the test. | |
1393 | as_ver=`$gcc_cv_as --version 2>/dev/null | head -1` | |
1394 | if echo "$as_ver" | grep GNU > /dev/null; then | |
1395 | as_ver=`echo $as_ver | sed -e 's/.* //'` | |
1396 | as_major=`echo $as_ver | sed 's/\..*//'` | |
1397 | changequote(,)dnl | |
1398 | as_minor=`echo $as_ver | sed 's/[^.]*\.\([0-9]*\).*/\1/'` | |
1399 | changequote([,])dnl | |
1400 | if test $as_major -eq 2 -a $as_minor -lt 11; then | |
1401 | gcc_cv_as_leb128="no" | |
1402 | fi | |
1403 | fi | |
1404 | fi | |
1405 | rm -f conftest.s conftest.o conftest.nm1 conftest.nm2 | |
1406 | fi | |
1407 | if test x"$gcc_cv_as_leb128" = xyes; then | |
1408 | AC_DEFINE(HAVE_AS_LEB128, 1, | |
1409 | [Define if your assembler supports .uleb128.]) | |
1410 | fi | |
1411 | AC_MSG_RESULT($gcc_cv_as_leb128) | |
1412 | ||
1413 | AC_MSG_CHECKING(assembler eh_frame optimization) | |
1414 | gcc_cv_as_eh_frame=no | |
1415 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then | |
1416 | if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 12 -o "$gcc_cv_gas_major_version" -gt 2 && grep 'obj_format = elf' ../gas/Makefile > /dev/null; then | |
1417 | gcc_cv_as_eh_frame="yes" | |
1418 | fi | |
1419 | elif test x$gcc_cv_as != x; then | |
1420 | # Check if this is GAS. | |
1421 | as_ver=`$gcc_cv_as --version < /dev/null 2> /dev/null | head -1` | |
1422 | rm -f a.out 2> /dev/null | |
1423 | if echo "$as_ver" | grep GNU > /dev/null; then | |
1424 | # Versions up to and including 2.11.0 may mis-optimize | |
1425 | # .eh_frame data. Try something. | |
1426 | cat > conftest.s <<EOF | |
1427 | .text | |
1428 | .LFB1: | |
1429 | .4byte 0 | |
1430 | .L1: | |
1431 | .4byte 0 | |
1432 | .LFE1: | |
1433 | .section .eh_frame,"aw",@progbits | |
1434 | __FRAME_BEGIN__: | |
1435 | .4byte .LECIE1-.LSCIE1 | |
1436 | .LSCIE1: | |
1437 | .4byte 0x0 | |
1438 | .byte 0x1 | |
1439 | .ascii "z\0" | |
1440 | .byte 0x1 | |
1441 | .byte 0x78 | |
1442 | .byte 0x1a | |
1443 | .byte 0x0 | |
1444 | .byte 0x4 | |
1445 | .4byte 1 | |
1446 | .p2align 1 | |
1447 | .LECIE1: | |
1448 | .LSFDE1: | |
1449 | .4byte .LEFDE1-.LASFDE1 | |
1450 | .LASFDE1: | |
1451 | .4byte .LASFDE1-__FRAME_BEGIN__ | |
1452 | .4byte .LFB1 | |
1453 | .4byte .LFE1-.LFB1 | |
1454 | .byte 0x4 | |
1455 | .4byte .LFE1-.LFB1 | |
1456 | .byte 0x4 | |
1457 | .4byte .L1-.LFB1 | |
1458 | .LEFDE1: | |
1459 | EOF | |
1460 | cat > conftest.exp <<EOF | |
1461 | 0000 10000000 00000000 017a0001 781a0004 .........z..x... | |
1462 | 0010 01000000 12000000 18000000 00000000 ................ | |
1463 | 0020 08000000 04080000 0044 .........D | |
1464 | EOF | |
1465 | # If the assembler didn't choke, and we can objdump, | |
1466 | # and we got the correct data, then succeed. | |
1467 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \ | |
1468 | && objdump -s -j .eh_frame conftest.o 2>/dev/null \ | |
1469 | | tail -3 > conftest.got \ | |
1470 | && cmp conftest.exp conftest.got > /dev/null 2>&1 | |
1471 | then | |
1472 | gcc_cv_as_eh_frame="yes" | |
1473 | else | |
1474 | gcc_cv_as_eh_frame="bad" | |
1475 | if $gcc_cv_as -o conftest.o --traditional-format /dev/null; then | |
1476 | AC_DEFINE(USE_AS_TRADITIONAL_FORMAT, 1, | |
1477 | [Define if your assembler mis-optimizes .eh_frame data.]) | |
1478 | fi | |
1479 | fi | |
1480 | fi | |
1481 | rm -f conftest.* | |
1482 | fi | |
1483 | AC_MSG_RESULT($gcc_cv_as_eh_frame) | |
1484 | ||
1485 | case "$target" in | |
1486 | sparc*-*-*) | |
1487 | AC_CACHE_CHECK([assembler .register pseudo-op support], | |
1488 | gcc_cv_as_register_pseudo_op, [ | |
1489 | gcc_cv_as_register_pseudo_op=unknown | |
1490 | if test x$gcc_cv_as != x; then | |
1491 | # Check if we have .register | |
1492 | echo ".register %g2, #scratch" > conftest.s | |
1493 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
1494 | gcc_cv_as_register_pseudo_op=yes | |
1495 | else | |
1496 | gcc_cv_as_register_pseudo_op=no | |
1497 | fi | |
1498 | rm -f conftest.s conftest.o | |
1499 | fi | |
1500 | ]) | |
1501 | if test "x$gcc_cv_as_register_pseudo_op" = xyes; then | |
1502 | AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1, | |
1503 | [Define if your assembler supports .register.]) | |
1504 | fi | |
1505 | ||
1506 | AC_CACHE_CHECK([assembler supports -relax], | |
1507 | gcc_cv_as_relax_opt, [ | |
1508 | gcc_cv_as_relax_opt=unknown | |
1509 | if test x$gcc_cv_as != x; then | |
1510 | # Check if gas supports -relax | |
1511 | echo ".text" > conftest.s | |
1512 | if $gcc_cv_as -relax -o conftest.o conftest.s > /dev/null 2>&1; then | |
1513 | gcc_cv_as_relax_opt=yes | |
1514 | else | |
1515 | gcc_cv_as_relax_opt=no | |
1516 | fi | |
1517 | rm -f conftest.s conftest.o | |
1518 | fi | |
1519 | ]) | |
1520 | if test "x$gcc_cv_as_relax_opt" = xyes; then | |
1521 | AC_DEFINE(HAVE_AS_RELAX_OPTION, 1, | |
1522 | [Define if your assembler supports -relax option.]) | |
1523 | fi | |
1524 | ||
1525 | case "$tm_file" in | |
1526 | *64*) | |
1527 | AC_CACHE_CHECK([for 64 bit support in assembler ($gcc_cv_as)], | |
1528 | gcc_cv_as_flags64, [ | |
1529 | if test -n "$gcc_cv_as"; then | |
1530 | echo ".xword foo" > conftest.s | |
1531 | gcc_cv_as_flags64=no | |
1532 | for flag in "-xarch=v9" "-64 -Av9"; do | |
1533 | if $gcc_cv_as $flag -o conftest.o conftest.s \ | |
1534 | > /dev/null 2>&1; then | |
1535 | gcc_cv_as_flags64=$flag | |
1536 | break | |
1537 | fi | |
1538 | done | |
1539 | rm -f conftest.s conftest.o | |
1540 | else | |
1541 | if test "$gas" = yes; then | |
1542 | gcc_cv_as_flags64="-64 -Av9" | |
1543 | else | |
1544 | gcc_cv_as_flags64="-xarch=v9" | |
1545 | fi | |
1546 | fi | |
1547 | ]) | |
1548 | if test "x$gcc_cv_as_flags64" = xno; then | |
1549 | changequote(, ) | |
1550 | tmake_file=`echo " $tmake_file " | sed -e 's, sparc/t-sol2-64 , ,' -e 's,^ ,,' -e 's, $,,'` | |
1551 | dep_tmake_file=`echo " $dep_tmake_file " | sed -e 's, [^ ]*/config/sparc/t-sol2-64 , ,' -e 's,^ ,,' -e 's, $,,'` | |
1552 | changequote([, ]) | |
1553 | else | |
1554 | AC_DEFINE_UNQUOTED(AS_SPARC64_FLAG, "$gcc_cv_as_flags64", | |
1555 | [Define if the assembler supports 64bit sparc.]) | |
1556 | fi | |
1557 | ;; | |
1558 | *) gcc_cv_as_flags64=${gcc_cv_as_flags64-no} | |
1559 | ;; | |
1560 | esac | |
1561 | ||
1562 | if test "x$gcc_cv_as_flags64" != xno; then | |
1563 | AC_CACHE_CHECK([for assembler offsetable %lo() support], | |
1564 | gcc_cv_as_offsetable_lo10, [ | |
1565 | gcc_cv_as_offsetable_lo10=unknown | |
1566 | if test "x$gcc_cv_as" != x; then | |
1567 | # Check if assembler has offsetable %lo() | |
1568 | echo "or %g1, %lo(ab) + 12, %g1" > conftest.s | |
1569 | echo "or %g1, %lo(ab + 12), %g1" > conftest1.s | |
1570 | if $gcc_cv_as $gcc_cv_as_flags64 -o conftest.o conftest.s \ | |
1571 | > /dev/null 2>&1 && | |
1572 | $gcc_cv_as $gcc_cv_as_flags64 -o conftest1.o conftest1.s \ | |
1573 | > /dev/null 2>&1; then | |
1574 | if cmp conftest.o conftest1.o > /dev/null 2>&1; then | |
1575 | gcc_cv_as_offsetable_lo10=no | |
1576 | else | |
1577 | gcc_cv_as_offsetable_lo10=yes | |
1578 | fi | |
1579 | else | |
1580 | gcc_cv_as_offsetable_lo10=no | |
1581 | fi | |
1582 | rm -f conftest.s conftest.o conftest1.s conftest1.o | |
1583 | fi | |
1584 | ]) | |
1585 | if test "x$gcc_cv_as_offsetable_lo10" = xyes; then | |
1586 | AC_DEFINE(HAVE_AS_OFFSETABLE_LO10, 1, | |
1587 | [Define if your assembler supports offsetable %lo().]) | |
1588 | fi | |
1589 | fi | |
1590 | AC_CACHE_CHECK([assembler R_SPARC_UA32 relocation support], | |
1591 | gcc_cv_as_ua32_reloc, [ | |
1592 | gcc_cv_as_ua32_reloc= | |
1593 | cat >conftest.s << EOF | |
1594 | .byte 0x1 | |
1595 | .uaword foo | |
1596 | EOF | |
1597 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
1598 | if (readelf -r conftest.o > conftest.elf) 2>/dev/null ; then | |
1599 | true | |
1600 | elif (elfdump -r conftest.o > conftest.elf) 2>/dev/null ; then | |
1601 | true | |
1602 | elif (`dirname $gcc_cv_as`/readelf -r conftest.o > conftest.elf) 2>/dev/null ; then | |
1603 | true | |
1604 | elif (`dirname $gcc_cv_as`/elfdump -r conftest.o > conftest.elf) 2>/dev/null ; then | |
1605 | true | |
1606 | else | |
1607 | gcc_cv_as_ua32_reloc=unknown | |
1608 | fi | |
1609 | if test x$gcc_cv_as_ua32_reloc = x && test `grep -c R_SPARC_UA32 conftest.elf` = 1 ; then | |
1610 | gcc_cv_as_ua32_reloc=yes | |
1611 | else | |
1612 | gcc_cv_as_ua32_reloc=no | |
1613 | fi | |
1614 | else | |
1615 | gcc_cv_as_ua32_reloc=unknown | |
1616 | fi | |
1617 | rm -f conftest.s conftest.o conftest.elf | |
1618 | ]) | |
1619 | if test "x$gcc_cv_as_ua32_reloc" = xno; then | |
1620 | AC_MSG_ERROR([Assembler does not support R_SPARC_UA32 correctly. | |
1621 | Please use native assembler or upgrade to binutils >= 2.11.1]) | |
1622 | elif test "x$gcc_cv_as_ua32_reloc" != xyes ; then | |
1623 | AC_MSG_WARN([Cannot determine whether assembler supports R_SPARC_UA32 correctly. | |
1624 | The resulting compiler might not produce useable executables.]) | |
1625 | fi | |
1626 | ;; | |
1627 | ||
1628 | changequote(,)dnl | |
1629 | i[34567]86-*-*) | |
1630 | changequote([,])dnl | |
1631 | AC_MSG_CHECKING(assembler instructions) | |
1632 | gcc_cv_as_instructions= | |
1633 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then | |
1634 | if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2; then | |
1635 | gcc_cv_as_instructions="filds fists" | |
1636 | fi | |
1637 | elif test x$gcc_cv_as != x; then | |
1638 | set "filds fists" "filds mem; fists mem" | |
1639 | while test $# -gt 0 | |
1640 | do | |
1641 | echo "$2" > conftest.s | |
1642 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then | |
1643 | gcc_cv_as_instructions=${gcc_cv_as_instructions}$1" " | |
1644 | fi | |
1645 | shift 2 | |
1646 | done | |
1647 | rm -f conftest.s conftest.o | |
1648 | fi | |
1649 | if test x"$gcc_cv_as_instructions" != x; then | |
1650 | AC_DEFINE_UNQUOTED(HAVE_GAS_`echo "$gcc_cv_as_instructions" | sed -e 's/ $//' | tr '[a-z ]' '[A-Z_]'`) | |
1651 | fi | |
1652 | AC_MSG_RESULT($gcc_cv_as_instructions) | |
1653 | ;; | |
1654 | esac | |
1655 | ||
1656 | AC_MSG_CHECKING(assembler dwarf2 debug_line support) | |
1657 | gcc_cv_as_dwarf2_debug_line=no | |
1658 | # ??? Not all targets support dwarf2 debug_line, even within a version | |
1659 | # of gas. Moreover, we need to emit a valid instruction to trigger any | |
1660 | # info to the output file. So, as supported targets are added to gas 2.11, | |
1661 | # add some instruction here to (also) show we expect this might work. | |
1662 | # ??? Once 2.11 is released, probably need to add first known working | |
1663 | # version to the per-target configury. | |
1664 | case "$target" in | |
1665 | i?86*-*-* | mips*-*-* | alpha*-*-* | powerpc*-*-* | sparc*-*-*) | |
1666 | insn="nop" | |
1667 | ;; | |
1668 | ia64*-*-*) | |
1669 | insn="nop 0" | |
1670 | ;; | |
1671 | esac | |
1672 | if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; | |
1673 | then | |
1674 | if test "$gcc_cv_gas_major_version" -eq 2 \ | |
1675 | -a "$gcc_cv_gas_minor_version" -ge 11 \ | |
1676 | -o "$gcc_cv_gas_major_version" -gt 2 \ | |
1677 | && grep 'obj_format = elf' ../gas/Makefile > /dev/null \ | |
1678 | && test x"$insn" != x ; then | |
1679 | gcc_cv_as_dwarf2_debug_line="yes" | |
1680 | fi | |
1681 | elif test x$gcc_cv_as != x -a x"$insn" != x ; then | |
1682 | echo ' .file 1 "conftest.s"' > conftest.s | |
1683 | echo ' .loc 1 3 0' >> conftest.s | |
1684 | echo " $insn" >> conftest.s | |
1685 | # ??? This fails with non-gnu grep. | |
1686 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \ | |
1687 | && grep debug_line conftest.o > /dev/null 2>&1 ; then | |
1688 | # The .debug_line file table must be in the exact order that | |
1689 | # we specified the files, since these indicies are also used | |
1690 | # by DW_AT_decl_file. Approximate this test by testing if | |
1691 | # the assembler bitches if the same index is assigned twice. | |
1692 | echo ' .file 1 "foo.s"' > conftest.s | |
1693 | echo ' .file 1 "bar.s"' >> conftest.s | |
1694 | if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 | |
1695 | then | |
1696 | gcc_cv_as_dwarf2_debug_line="no" | |
1697 | else | |
1698 | gcc_cv_as_dwarf2_debug_line="yes" | |
1699 | fi | |
1700 | fi | |
1701 | rm -f conftest.s conftest.o conftest.nm1 conftest.nm2 | |
1702 | fi | |
1703 | if test x"$gcc_cv_as_dwarf2_debug_line" = xyes; then | |
1704 | AC_DEFINE(HAVE_AS_DWARF2_DEBUG_LINE, 1, | |
1705 | [Define if your assembler supports dwarf2 .file/.loc directives, | |
1706 | and preserves file table indicies exactly as given.]) | |
1707 | fi | |
1708 | AC_MSG_RESULT($gcc_cv_as_dwarf2_debug_line) | |
1709 | ||
1710 | # Figure out what language subdirectories are present. | |
1711 | # Look if the user specified --enable-languages="..."; if not, use | |
1712 | # the environment variable $LANGUAGES if defined. $LANGUAGES might | |
1713 | # go away some day. | |
1714 | if test x"${enable_languages+set}" != xset; then | |
1715 | if test x"${LANGUAGES+set}" = xset; then | |
1716 | enable_languages="`echo ${LANGUAGES} | tr ' ' ','`" | |
1717 | else | |
1718 | enable_languages=all | |
1719 | fi | |
1720 | else | |
1721 | if test x"${enable_languages}" = x; then | |
1722 | AC_MSG_ERROR([--enable-languages needs at least one argument]) | |
1723 | fi | |
1724 | fi | |
1725 | ||
1726 | # First scan to see if an enabled language requires some other language. | |
1727 | # We assume that a given config-lang.in will list all the language | |
1728 | # front ends it requires, even if some are required indirectly. | |
1729 | for lang in ${srcdir}/*/config-lang.in .. | |
1730 | do | |
1731 | case $lang in | |
1732 | ..) | |
1733 | ;; | |
1734 | # The odd quoting in the next line works around | |
1735 | # an apparent bug in bash 1.12 on linux. | |
1736 | changequote(,)dnl | |
1737 | ${srcdir}/[*]/config-lang.in) | |
1738 | ;; | |
1739 | *) | |
1740 | lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang` | |
1741 | this_lang_requires=`sed -n -e 's,^lang_requires=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^lang_requires=\([^ ]*\).*$,\1,p' $lang` | |
1742 | for other in $this_lang_requires | |
1743 | do | |
1744 | case ,${enable_languages}, in | |
1745 | *,$other,*) | |
1746 | ;; | |
1747 | *,all,*) | |
1748 | ;; | |
1749 | *,$lang_alias,*) | |
1750 | enable_languages="$enable_languages,$other" | |
1751 | ;; | |
1752 | esac | |
1753 | done | |
1754 | ;; | |
1755 | changequote([,])dnl | |
1756 | esac | |
1757 | done | |
1758 | ||
1759 | subdirs= | |
1760 | for lang in ${srcdir}/*/config-lang.in .. | |
1761 | do | |
1762 | case $lang in | |
1763 | ..) ;; | |
1764 | # The odd quoting in the next line works around | |
1765 | # an apparent bug in bash 1.12 on linux. | |
1766 | changequote(,)dnl | |
1767 | ${srcdir}/[*]/config-lang.in) ;; | |
1768 | *) | |
1769 | lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang` | |
1770 | this_lang_libs=`sed -n -e 's,^target_libs=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^target_libs=\([^ ]*\).*$,\1,p' $lang` | |
1771 | build_by_default=`sed -n -e 's,^build_by_default=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^build_by_default=\([^ ]*\).*$,\1,p' $lang` | |
1772 | if test "x$lang_alias" = x | |
1773 | then | |
1774 | echo "$lang doesn't set \$language." 1>&2 | |
1775 | exit 1 | |
1776 | fi | |
1777 | case ${build_by_default},${enable_languages}, in | |
1778 | *,$lang_alias,*) add_this_lang=yes ;; | |
1779 | no,*) add_this_lang=no ;; | |
1780 | *,all,*) add_this_lang=yes ;; | |
1781 | *) add_this_lang=no ;; | |
1782 | esac | |
1783 | if test x"${add_this_lang}" = xyes; then | |
1784 | case $lang in | |
1785 | ${srcdir}/ada/config-lang.in) | |
1786 | if test x$have_gnat = xyes ; then | |
1787 | subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`" | |
1788 | fi | |
1789 | ;; | |
1790 | *) | |
1791 | subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`" | |
1792 | ;; | |
1793 | esac | |
1794 | fi | |
1795 | ;; | |
1796 | changequote([,])dnl | |
1797 | esac | |
1798 | done | |
1799 | ||
1800 | # Make gthr-default.h if we have a thread file. | |
1801 | gthread_flags= | |
1802 | if test $thread_file != single; then | |
1803 | rm -f gthr-default.h | |
1804 | echo "#include \"gthr-${thread_file}.h\"" > gthr-default.h | |
1805 | gthread_flags=-DHAVE_GTHR_DEFAULT | |
1806 | fi | |
1807 | AC_SUBST(gthread_flags) | |
1808 | ||
1809 | # Find out what GC implementation we want, or may, use. | |
1810 | AC_ARG_WITH(gc, | |
1811 | [ --with-gc={simple,page} Choose the garbage collection mechanism to use | |
1812 | with the compiler.], | |
1813 | [case "$withval" in | |
1814 | simple | page) | |
1815 | GGC=ggc-$withval | |
1816 | ;; | |
1817 | *) | |
1818 | AC_MSG_ERROR([$withval is an invalid option to --with-gc]) | |
1819 | ;; | |
1820 | esac], | |
1821 | [GGC=ggc-page]) | |
1822 | AC_SUBST(GGC) | |
1823 | echo "Using $GGC for garbage collection." | |
1824 | ||
1825 | # Use the system's zlib library. | |
1826 | zlibdir=-L../zlib | |
1827 | zlibinc="-I\$(srcdir)/../zlib" | |
1828 | AC_ARG_WITH(system-zlib, | |
1829 | [ --with-system-zlib use installed libz], | |
1830 | zlibdir= | |
1831 | zlibinc= | |
1832 | ) | |
1833 | AC_SUBST(zlibdir) | |
1834 | AC_SUBST(zlibinc) | |
1835 | ||
1836 | dnl Very limited version of automake's enable-maintainer-mode | |
1837 | ||
1838 | AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) | |
1839 | dnl maintainer-mode is disabled by default | |
1840 | AC_ARG_ENABLE(maintainer-mode, | |
1841 | [ --enable-maintainer-mode enable make rules and dependencies not useful | |
1842 | (and sometimes confusing) to the casual installer], | |
1843 | maintainer_mode=$enableval, | |
1844 | maintainer_mode=no) | |
1845 | ||
1846 | AC_MSG_RESULT($maintainer_mode) | |
1847 | ||
1848 | if test "$maintainer_mode" = "yes"; then | |
1849 | MAINT='' | |
1850 | else | |
1851 | MAINT='#' | |
1852 | fi | |
1853 | AC_SUBST(MAINT)dnl | |
1854 | ||
1855 | # With Setjmp/Longjmp based exception handling. | |
1856 | AC_ARG_ENABLE(sjlj-exceptions, | |
1857 | [ --enable-sjlj-exceptions arrange to use setjmp/longjmp exception handling.], | |
1858 | [sjlj=`if test $enableval = yes; then echo 1; else echo 0; fi` | |
1859 | AC_DEFINE_UNQUOTED(CONFIG_SJLJ_EXCEPTIONS, $sjlj, | |
1860 | [Define 0/1 to force the choice for exception handling model.])]) | |
1861 | ||
1862 | # Make empty files to contain the specs and options for each language. | |
1863 | # Then add #include lines to for a compiler that has specs and/or options. | |
1864 | ||
1865 | lang_specs_files= | |
1866 | lang_options_files= | |
1867 | lang_tree_files= | |
1868 | rm -f specs.h options.h gencheck.h | |
1869 | touch specs.h options.h gencheck.h | |
1870 | for subdir in . $subdirs | |
1871 | do | |
1872 | if test -f $srcdir/$subdir/lang-specs.h; then | |
1873 | echo "#include \"$subdir/lang-specs.h\"" >>specs.h | |
1874 | lang_specs_files="$lang_specs_files $srcdir/$subdir/lang-specs.h" | |
1875 | fi | |
1876 | if test -f $srcdir/$subdir/lang-options.h; then | |
1877 | echo "#include \"$subdir/lang-options.h\"" >>options.h | |
1878 | lang_options_files="$lang_options_files $srcdir/$subdir/lang-options.h" | |
1879 | fi | |
1880 | if test -f $srcdir/$subdir/$subdir-tree.def; then | |
1881 | echo "#include \"$subdir/$subdir-tree.def\"" >>gencheck.h | |
1882 | lang_tree_files="$lang_tree_files $srcdir/$subdir/$subdir-tree.def" | |
1883 | fi | |
1884 | done | |
1885 | ||
1886 | # These (without "all_") are set in each config-lang.in. | |
1887 | # `language' must be a single word so is spelled singularly. | |
1888 | all_languages= | |
1889 | all_boot_languages= | |
1890 | all_compilers= | |
1891 | all_stagestuff= | |
1892 | all_diff_excludes= | |
1893 | all_outputs='Makefile intl/Makefile po/Makefile.in fixinc/Makefile gccbug mklibgcc' | |
1894 | # List of language makefile fragments. | |
1895 | all_lang_makefiles= | |
1896 | all_headers= | |
1897 | all_lib2funcs= | |
1898 | ||
1899 | # Add the language fragments. | |
1900 | # Languages are added via two mechanisms. Some information must be | |
1901 | # recorded in makefile variables, these are defined in config-lang.in. | |
1902 | # We accumulate them and plug them into the main Makefile. | |
1903 | # The other mechanism is a set of hooks for each of the main targets | |
1904 | # like `clean', `install', etc. | |
1905 | ||
1906 | language_fragments="Make-lang" | |
1907 | language_hooks="Make-hooks" | |
1908 | ||
1909 | for s in .. $subdirs | |
1910 | do | |
1911 | if test $s != ".." | |
1912 | then | |
1913 | language= | |
1914 | boot_language= | |
1915 | compilers= | |
1916 | stagestuff= | |
1917 | diff_excludes= | |
1918 | headers= | |
1919 | outputs= | |
1920 | lib2funcs= | |
1921 | . ${srcdir}/$s/config-lang.in | |
1922 | if test "x$language" = x | |
1923 | then | |
1924 | echo "${srcdir}/$s/config-lang.in doesn't set \$language." 1>&2 | |
1925 | exit 1 | |
1926 | fi | |
1927 | all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Make-lang.in" | |
1928 | if test -f ${srcdir}/$s/Makefile.in | |
1929 | then all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Makefile.in" | |
1930 | fi | |
1931 | all_languages="$all_languages $language" | |
1932 | if test "x$boot_language" = xyes | |
1933 | then | |
1934 | all_boot_languages="$all_boot_languages $language" | |
1935 | fi | |
1936 | all_compilers="$all_compilers $compilers" | |
1937 | all_stagestuff="$all_stagestuff $stagestuff" | |
1938 | all_diff_excludes="$all_diff_excludes $diff_excludes" | |
1939 | all_headers="$all_headers $headers" | |
1940 | all_outputs="$all_outputs $outputs" | |
1941 | all_lib2funcs="$all_lib2funcs $lib2funcs" | |
1942 | fi | |
1943 | done | |
1944 | ||
1945 | check_languages= | |
1946 | for language in .. $all_languages | |
1947 | do | |
1948 | if test $language != ".." | |
1949 | then | |
1950 | check_languages="$check_languages check-$language" | |
1951 | fi | |
1952 | done | |
1953 | ||
1954 | # Since we can't use `::' targets, we link each language in | |
1955 | # with a set of hooks, reached indirectly via lang.${target}. | |
1956 | ||
1957 | rm -f Make-hooks | |
1958 | touch Make-hooks | |
1959 | target_list="all.build all.cross start.encap rest.encap \ | |
1960 | info dvi \ | |
1961 | install-normal install-common install-info install-man \ | |
1962 | uninstall \ | |
1963 | mostlyclean clean distclean extraclean maintainer-clean \ | |
1964 | stage1 stage2 stage3 stage4" | |
1965 | for t in $target_list | |
1966 | do | |
1967 | x= | |
1968 | for lang in .. $all_languages | |
1969 | do | |
1970 | if test $lang != ".."; then | |
1971 | x="$x $lang.$t" | |
1972 | fi | |
1973 | done | |
1974 | echo "lang.$t: $x" >> Make-hooks | |
1975 | done | |
1976 | ||
1977 | # Create .gdbinit. | |
1978 | ||
1979 | echo "dir ." > .gdbinit | |
1980 | echo "dir ${srcdir}" >> .gdbinit | |
1981 | if test x$gdb_needs_out_file_path = xyes | |
1982 | then | |
1983 | echo "dir ${srcdir}/config/"`dirname ${out_file}` >> .gdbinit | |
1984 | fi | |
1985 | if test "x$subdirs" != x; then | |
1986 | for s in $subdirs | |
1987 | do | |
1988 | echo "dir ${srcdir}/$s" >> .gdbinit | |
1989 | done | |
1990 | fi | |
1991 | echo "source ${srcdir}/gdbinit.in" >> .gdbinit | |
1992 | ||
1993 | # Define variables host_canonical and build_canonical | |
1994 | # because some Cygnus local changes in the Makefile depend on them. | |
1995 | build_canonical=${build} | |
1996 | host_canonical=${host} | |
1997 | target_subdir= | |
1998 | if test "${host}" != "${target}" ; then | |
1999 | target_subdir=${target_alias}/ | |
2000 | fi | |
2001 | AC_SUBST(build_canonical) | |
2002 | AC_SUBST(host_canonical) | |
2003 | AC_SUBST(target_subdir) | |
2004 | ||
2005 | # If $(exec_prefix) exists and is not the same as $(prefix), then compute an | |
2006 | # absolute path for gcc_tooldir based on inserting the number of up-directory | |
2007 | # movements required to get from $(exec_prefix) to $(prefix) into the basic | |
2008 | # $(libsubdir)/@(unlibsubdir) based path. | |
2009 | # Don't set gcc_tooldir to tooldir since that's only passed in by the toplevel | |
2010 | # make and thus we'd get different behavior depending on where we built the | |
2011 | # sources. | |
2012 | if test x$exec_prefix = xNONE -o x$exec_prefix = x$prefix; then | |
2013 | gcc_tooldir='$(libsubdir)/$(unlibsubdir)/../$(target_alias)' | |
2014 | else | |
2015 | changequote(<<, >>)dnl | |
2016 | # An explanation of the sed strings: | |
2017 | # -e 's|^\$(prefix)||' matches and eliminates 'prefix' from 'exec_prefix' | |
2018 | # -e 's|/$||' match a trailing forward slash and eliminates it | |
2019 | # -e 's|^[^/]|/|' forces the string to start with a forward slash (*) | |
2020 | # -e 's|/[^/]*|../|g' replaces each occurance of /<directory> with ../ | |
2021 | # | |
2022 | # (*) Note this pattern overwrites the first character of the string | |
2023 | # with a forward slash if one is not already present. This is not a | |
2024 | # problem because the exact names of the sub-directories concerned is | |
2025 | # unimportant, just the number of them matters. | |
2026 | # | |
2027 | # The practical upshot of these patterns is like this: | |
2028 | # | |
2029 | # prefix exec_prefix result | |
2030 | # ------ ----------- ------ | |
2031 | # /foo /foo/bar ../ | |
2032 | # /foo/ /foo/bar ../ | |
2033 | # /foo /foo/bar/ ../ | |
2034 | # /foo/ /foo/bar/ ../ | |
2035 | # /foo /foo/bar/ugg ../../ | |
2036 | # | |
2037 | dollar='$$' | |
2038 | gcc_tooldir="\$(libsubdir)/\$(unlibsubdir)/\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/\$(dollar)||' -e 's|^[^/]|/|' -e 's|/[^/]*|../|g'\`\$(target_alias)" | |
2039 | changequote([, ])dnl | |
2040 | fi | |
2041 | AC_SUBST(gcc_tooldir) | |
2042 | AC_SUBST(dollar) | |
2043 | ||
2044 | # Find a directory in which to install a shared libgcc. | |
2045 | ||
2046 | AC_ARG_ENABLE(version-specific-runtime-libs, | |
2047 | [ --enable-version-specific-runtime-libs Specify that runtime libraries shou | |
2048 | ld be installed in a compiler-specific directory ]) | |
2049 | ||
2050 | AC_ARG_WITH(slibdir, | |
2051 | [ --with-slibdir=DIR shared libraries in DIR [LIBDIR]], | |
2052 | slibdir="$with_slibdir", | |
2053 | if test "${enable_version_specific_runtime_libs+set}" = set; then | |
2054 | slibdir='$(libsubdir)' | |
2055 | elif test "$host" != "$target"; then | |
2056 | slibdir='$(build_tooldir)/lib' | |
2057 | else | |
2058 | slibdir='$(libdir)' | |
2059 | fi) | |
2060 | AC_SUBST(slibdir) | |
2061 | ||
2062 | # Nothing to do for FLOAT_H, float_format already handled. | |
2063 | objdir=`pwd` | |
2064 | AC_SUBST(objdir) | |
2065 | ||
2066 | # Process the language and host/target makefile fragments. | |
2067 | ${CONFIG_SHELL-/bin/sh} $srcdir/configure.frag $srcdir "$subdirs" "$dep_host_xmake_file" "$dep_tmake_file" | |
2068 | ||
2069 | # Substitute configuration variables | |
2070 | AC_SUBST(subdirs) | |
2071 | AC_SUBST(all_boot_languages) | |
2072 | AC_SUBST(all_compilers) | |
2073 | AC_SUBST(all_diff_excludes) | |
2074 | AC_SUBST(all_headers) | |
2075 | AC_SUBST(all_lang_makefiles) | |
2076 | AC_SUBST(all_languages) | |
2077 | AC_SUBST(all_lib2funcs) | |
2078 | AC_SUBST(all_stagestuff) | |
2079 | AC_SUBST(build_exeext) | |
2080 | AC_SUBST(build_install_headers_dir) | |
2081 | AC_SUBST(build_xm_file_list) | |
2082 | AC_SUBST(build_xm_file) | |
2083 | AC_SUBST(build_xm_defines) | |
2084 | AC_SUBST(check_languages) | |
2085 | AC_SUBST(cc_set_by_configure) | |
2086 | AC_SUBST(quoted_cc_set_by_configure) | |
2087 | AC_SUBST(cpp_install_dir) | |
2088 | AC_SUBST(dep_host_xmake_file) | |
2089 | AC_SUBST(dep_tmake_file) | |
2090 | AC_SUBST(extra_c_flags) | |
2091 | AC_SUBST(extra_headers_list) | |
2092 | AC_SUBST(extra_objs) | |
2093 | AC_SUBST(extra_parts) | |
2094 | AC_SUBST(extra_passes) | |
2095 | AC_SUBST(extra_programs) | |
2096 | AC_SUBST(float_h_file) | |
2097 | AC_SUBST(gcc_config_arguments) | |
2098 | AC_SUBST(gcc_gxx_include_dir) | |
2099 | AC_SUBST(libstdcxx_incdir) | |
2100 | AC_SUBST(gcc_version) | |
2101 | AC_SUBST(gcc_version_full) | |
2102 | AC_SUBST(gcc_version_trigger) | |
2103 | AC_SUBST(host_exeext) | |
2104 | AC_SUBST(host_extra_gcc_objs) | |
2105 | AC_SUBST(host_xm_file_list) | |
2106 | AC_SUBST(host_xm_file) | |
2107 | AC_SUBST(host_xm_defines) | |
2108 | AC_SUBST(install) | |
2109 | AC_SUBST(lang_options_files) | |
2110 | AC_SUBST(lang_specs_files) | |
2111 | AC_SUBST(lang_tree_files) | |
2112 | AC_SUBST(local_prefix) | |
2113 | AC_SUBST(maybe_use_collect2) | |
2114 | AC_SUBST(md_file) | |
2115 | AC_SUBST(objc_boehm_gc) | |
2116 | AC_SUBST(out_file) | |
2117 | AC_SUBST(out_object_file) | |
2118 | AC_SUBST(stage_prefix_set_by_configure) | |
2119 | AC_SUBST(symbolic_link) | |
2120 | AC_SUBST(thread_file) | |
2121 | AC_SUBST(tm_file_list) | |
2122 | AC_SUBST(tm_file) | |
2123 | AC_SUBST(tm_p_file_list) | |
2124 | AC_SUBST(tm_p_file) | |
2125 | AC_SUBST(xm_file) | |
2126 | AC_SUBST(xm_defines) | |
2127 | AC_SUBST(will_use_collect2) | |
2128 | AC_SUBST(c_target_objs) | |
2129 | AC_SUBST(cxx_target_objs) | |
2130 | AC_SUBST(target_cpu_default) | |
2131 | ||
2132 | AC_SUBST_FILE(target_overrides) | |
2133 | AC_SUBST_FILE(host_overrides) | |
2134 | AC_SUBST(cross_defines) | |
2135 | AC_SUBST_FILE(cross_overrides) | |
2136 | AC_SUBST_FILE(build_overrides) | |
2137 | AC_SUBST_FILE(language_fragments) | |
2138 | AC_SUBST_FILE(language_hooks) | |
2139 | ||
2140 | # Echo that links are built | |
2141 | if test x$host = x$target | |
2142 | then | |
2143 | str1="native " | |
2144 | else | |
2145 | str1="cross-" | |
2146 | str2=" from $host" | |
2147 | fi | |
2148 | ||
2149 | if test x$host != x$build | |
2150 | then | |
2151 | str3=" on a $build system" | |
2152 | fi | |
2153 | ||
2154 | if test "x$str2" != x || test "x$str3" != x | |
2155 | then | |
2156 | str4= | |
2157 | fi | |
2158 | ||
2159 | echo "Links are now set up to build a ${str1}compiler for ${target}$str4" 1>&2 | |
2160 | ||
2161 | if test "x$str2" != x || test "x$str3" != x | |
2162 | then | |
2163 | echo " ${str2}${str3}." 1>&2 | |
2164 | fi | |
2165 | ||
2166 | # Truncate the target if necessary | |
2167 | if test x$host_truncate_target != x; then | |
2168 | target=`echo $target | sed -e 's/\(..............\).*/\1/'` | |
2169 | fi | |
2170 | ||
2171 | # Configure the subdirectories | |
2172 | # AC_CONFIG_SUBDIRS($subdirs) | |
2173 | ||
2174 | # Create the Makefile | |
2175 | # and configure language subdirectories | |
2176 | AC_OUTPUT($all_outputs, | |
2177 | [ | |
2178 | case x$CONFIG_HEADERS in | |
2179 | xauto-host.h:config.in) | |
2180 | echo > cstamp-h ;; | |
2181 | esac | |
2182 | # If the host supports symlinks, point stage[1234] at ../stage[1234] so | |
2183 | # bootstrapping and the installation procedure can still use | |
2184 | # CC="stage1/xgcc -Bstage1/". If the host doesn't support symlinks, | |
2185 | # FLAGS_TO_PASS has been modified to solve the problem there. | |
2186 | # This is virtually a duplicate of what happens in configure.lang; we do | |
2187 | # an extra check to make sure this only happens if ln -s can be used. | |
2188 | if test "$symbolic_link" = "ln -s"; then | |
2189 | for d in .. ${subdirs} ; do | |
2190 | if test $d != ..; then | |
2191 | STARTDIR=`pwd` | |
2192 | cd $d | |
2193 | for t in stage1 stage2 stage3 stage4 include | |
2194 | do | |
2195 | rm -f $t | |
2196 | $symbolic_link ../$t $t 2>/dev/null | |
2197 | done | |
2198 | cd $STARTDIR | |
2199 | fi | |
2200 | done | |
2201 | else true ; fi | |
2202 | # Avoid having to add intl to our include paths. | |
2203 | if test -f intl/libintl.h; then | |
2204 | echo creating libintl.h | |
2205 | echo '#include "intl/libintl.h"' >libintl.h | |
2206 | fi | |
2207 | ], | |
2208 | [ | |
2209 | host='${host}' | |
2210 | build='${build}' | |
2211 | target='${target}' | |
2212 | target_alias='${target_alias}' | |
2213 | srcdir='${srcdir}' | |
2214 | subdirs='${subdirs}' | |
2215 | symbolic_link='${symbolic_link}' | |
2216 | program_transform_set='${program_transform_set}' | |
2217 | program_transform_name='${program_transform_name}' | |
2218 | dep_host_xmake_file='${dep_host_xmake_file}' | |
2219 | host_xmake_file='${host_xmake_file}' | |
2220 | dep_tmake_file='${dep_tmake_file}' | |
2221 | tmake_file='${tmake_file}' | |
2222 | thread_file='${thread_file}' | |
2223 | gcc_config_arguments='${gcc_config_arguments}' | |
2224 | gcc_version='${gcc_version}' | |
2225 | gcc_version_full='${gcc_version_full}' | |
2226 | gcc_version_trigger='${gcc_version_trigger}' | |
2227 | local_prefix='${local_prefix}' | |
2228 | build_install_headers_dir='${build_install_headers_dir}' | |
2229 | build_exeext='${build_exeext}' | |
2230 | host_exeext='${host_exeext}' | |
2231 | out_file='${out_file}' | |
2232 | gdb_needs_out_file_path='${gdb_needs_out_file_path}' | |
2233 | SET_MAKE='${SET_MAKE}' | |
2234 | target_list='${target_list}' | |
2235 | target_overrides='${target_overrides}' | |
2236 | host_overrides='${host_overrides}' | |
2237 | cross_defines='${cross_defines}' | |
2238 | cross_overrides='${cross_overrides}' | |
2239 | build_overrides='${build_overrides}' | |
2240 | cpp_install_dir='${cpp_install_dir}' | |
2241 | ]) |