2 # Process this file with autoconf to generate a configuration script.
4 # Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
5 # Free Software Foundation, Inc.
7 #This file is part of GCC.
9 #GCC is free software; you can redistribute it and/or modify it under
10 #the terms of the GNU General Public License as published by the Free
11 #Software Foundation; either version 2, or (at your option) any later
14 #GCC is distributed in the hope that it will be useful, but WITHOUT
15 #ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
16 #FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
19 #You should have received a copy of the GNU General Public License
20 #along with GCC; see the file COPYING. If not, write to the Free
21 #Software Foundation, 59 Temple Place - Suite 330, Boston, MA
24 # --------------------------------
25 # Initialization and sanity checks
26 # --------------------------------
30 AC_CONFIG_SRCDIR(tree.c)
31 AC_CONFIG_HEADER(auto-host.h:config.in)
33 # Determine the host, build, and target systems
38 # Determine the noncanonical target name, for directory use.
39 ACX_NONCANONICAL_TARGET
41 # Determine the target- and build-specific subdirectories
44 # Set program_transform_name
47 # Check for bogus environment variables.
48 # Test if LIBRARY_PATH contains the notation for the current directory
49 # since this would lead to problems installing/building glibc.
50 # LIBRARY_PATH contains the current directory if one of the following
52 # - one of the terminals (":" and ";") is the first or last sign
53 # - two terminals occur directly after each other
54 # - the path contains an element with a dot in it
55 AC_MSG_CHECKING(LIBRARY_PATH variable)
57 case ${LIBRARY_PATH} in
58 [:\;]* | *[:\;] | *[:\;][:\;]* | *[:\;]. | .[:\;]*| . | *[:\;].[:\;]* )
59 library_path_setting="contains current directory"
62 library_path_setting="ok"
66 AC_MSG_RESULT($library_path_setting)
67 if test "$library_path_setting" != "ok"; then
69 *** LIBRARY_PATH shouldn't contain the current directory when
70 *** building gcc. Please change the environment variable
71 *** and run configure again.])
74 # Test if GCC_EXEC_PREFIX contains the notation for the current directory
75 # since this would lead to problems installing/building glibc.
76 # GCC_EXEC_PREFIX contains the current directory if one of the following
78 # - one of the terminals (":" and ";") is the first or last sign
79 # - two terminals occur directly after each other
80 # - the path contains an element with a dot in it
81 AC_MSG_CHECKING(GCC_EXEC_PREFIX variable)
83 case ${GCC_EXEC_PREFIX} in
84 [:\;]* | *[:\;] | *[:\;][:\;]* | *[:\;]. | .[:\;]*| . | *[:\;].[:\;]* )
85 gcc_exec_prefix_setting="contains current directory"
88 gcc_exec_prefix_setting="ok"
92 AC_MSG_RESULT($gcc_exec_prefix_setting)
93 if test "$gcc_exec_prefix_setting" != "ok"; then
95 *** GCC_EXEC_PREFIX shouldn't contain the current directory when
96 *** building gcc. Please change the environment variable
97 *** and run configure again.])
104 # Specify the local prefix
106 AC_ARG_WITH(local-prefix,
107 [ --with-local-prefix=DIR specifies directory to put local include],
108 [case "${withval}" in
109 yes) AC_MSG_ERROR(bad value ${withval} given for local include directory prefix) ;;
111 *) local_prefix=$with_local_prefix ;;
114 # Default local prefix if it is empty
115 if test x$local_prefix = x; then
116 local_prefix=/usr/local
119 # Don't set gcc_gxx_include_dir to gxx_include_dir since that's only
120 # passed in by the toplevel make and thus we'd get different behavior
121 # depending on where we built the sources.
123 # Specify the g++ header file directory
124 AC_ARG_WITH(gxx-include-dir,
125 [ --with-gxx-include-dir=DIR
126 specifies directory to put g++ header files],
127 [case "${withval}" in
128 yes) AC_MSG_ERROR(bad value ${withval} given for g++ include directory) ;;
130 *) gcc_gxx_include_dir=$with_gxx_include_dir ;;
133 if test x${gcc_gxx_include_dir} = x; then
134 if test x${enable_version_specific_runtime_libs} = xyes; then
135 gcc_gxx_include_dir='${libsubdir}/include/c++'
137 libstdcxx_incdir='c++/$(version)'
138 changequote(<<, >>)dnl
139 gcc_gxx_include_dir="\$(libsubdir)/\$(unlibsubdir)/..\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/[^/]*|/..|g'\`/include/"${libstdcxx_incdir}
144 AC_ARG_WITH(cpp_install_dir,
145 [ --with-cpp-install-dir=DIR
146 install the user visible C preprocessor in DIR
147 (relative to PREFIX) as well as PREFIX/bin],
148 [if test x$withval = xyes; then
149 AC_MSG_ERROR([option --with-cpp-install-dir requires an argument])
150 elif test x$withval != xno; then
151 cpp_install_dir=$withval
154 # We would like to our source tree to be readonly. However when releases or
155 # pre-releases are generated, the flex/bison generated files as well as the
156 # various formats of manuals need to be included along with the rest of the
157 # sources. Therefore we have --enable-generated-files-in-srcdir to do
160 AC_MSG_CHECKING([whether to place generated files in the source directory])
161 dnl generated-files-in-srcdir is disabled by default
162 AC_ARG_ENABLE(generated-files-in-srcdir,
163 [ --enable-generated-files-in-srcdir
164 put copies of generated files in source dir
165 intended for creating source tarballs for users
166 without texinfo bison or flex.],
167 generated_files_in_srcdir=$enableval,
168 generated_files_in_srcdir=no)
170 AC_MSG_RESULT($generated_files_in_srcdir)
172 if test "$generated_files_in_srcdir" = "yes"; then
179 # -------------------
180 # Find default linker
181 # -------------------
185 [ --with-gnu-ld arrange to work with GNU ld.],
186 gnu_ld_flag="$with_gnu_ld",
189 # With pre-defined ld
191 [ --with-ld arrange to use the specified ld (full pathname)],
192 DEFAULT_LINKER="$with_ld")
193 if test x"${DEFAULT_LINKER+set}" = x"set"; then
194 if test ! -x "$DEFAULT_LINKER"; then
195 AC_MSG_ERROR([cannot execute: $DEFAULT_LINKER: check --with-ld or env. var. DEFAULT_LINKER])
196 elif $DEFAULT_LINKER -v < /dev/null 2>&1 | grep GNU > /dev/null; then
199 AC_DEFINE_UNQUOTED(DEFAULT_LINKER,"$DEFAULT_LINKER",
200 [Define to enable the use of a default linker.])
203 AC_MSG_CHECKING([whether a default linker was specified])
204 if test x"${DEFAULT_LINKER+set}" = x"set"; then
205 if test x"$gnu_ld_flag" = x"no"; then
206 AC_MSG_RESULT([yes ($DEFAULT_LINKER)])
208 AC_MSG_RESULT([yes ($DEFAULT_LINKER - GNU ld)])
214 # With demangler in GNU ld
215 AC_ARG_WITH(demangler-in-ld,
216 [ --with-demangler-in-ld try to use demangler in GNU ld.],
217 demangler_in_ld="$with_demangler_in_ld",
220 # ----------------------
221 # Find default assembler
222 # ----------------------
226 [ --with-gnu-as arrange to work with GNU as],
227 gas_flag="$with_gnu_as",
231 [ --with-as arrange to use the specified as (full pathname)],
232 DEFAULT_ASSEMBLER="$with_as")
233 if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then
234 if test ! -x "$DEFAULT_ASSEMBLER"; then
235 AC_MSG_ERROR([cannot execute: $DEFAULT_ASSEMBLER: check --with-as or env. var. DEFAULT_ASSEMBLER])
236 elif $DEFAULT_ASSEMBLER -v < /dev/null 2>&1 | grep GNU > /dev/null; then
239 AC_DEFINE_UNQUOTED(DEFAULT_ASSEMBLER,"$DEFAULT_ASSEMBLER",
240 [Define to enable the use of a default assembler.])
243 AC_MSG_CHECKING([whether a default assembler was specified])
244 if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then
245 if test x"$gas_flag" = x"no"; then
246 AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER)])
248 AC_MSG_RESULT([yes ($DEFAULT_ASSEMBLER - GNU as)])
258 # If a non-executable a.out is present (e.g. created by GNU as above even if
259 # invoked with -v only), the IRIX 6 native ld just overwrites the existing
260 # file, even when creating an executable, so an execution test fails.
261 # Remove possible default executable files to avoid this.
263 # FIXME: This really belongs into AC_PROG_CC and can be removed once
264 # Autoconf includes it.
265 rm -f a.out a.exe b.out
267 # Find the native compiler
270 # autoconf is lame and doesn't give us any substitution variable for this.
271 if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then
272 NO_MINUS_C_MINUS_O=yes
274 OUTPUT_OPTION='-o $@'
276 AC_SUBST(NO_MINUS_C_MINUS_O)
277 AC_SUBST(OUTPUT_OPTION)
279 # -------------------------
280 # Check C compiler features
281 # -------------------------
286 # sizeof(char) is 1 by definition.
287 AC_CHECK_SIZEOF(void *)
288 AC_CHECK_SIZEOF(short)
290 AC_CHECK_SIZEOF(long)
291 AC_CHECK_TYPES([long long], [AC_CHECK_SIZEOF(long long)])
292 AC_CHECK_TYPES([__int64], [AC_CHECK_SIZEOF(__int64)])
294 # ---------------------
295 # Warnings and checking
296 # ---------------------
298 # Check $CC warning features (if it's GCC).
299 # We want to use -pedantic, but we don't want warnings about
302 # So, we only use -pedantic if we can disable those warnings.
305 [whether ${CC} accepts -Wno-long-long],
306 [ac_cv_prog_cc_w_no_long_long],
307 [save_CFLAGS="$CFLAGS"
308 CFLAGS="-Wno-long-long"
309 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[]])],
310 [ac_cv_prog_cc_w_no_long_long=yes],
311 [ac_cv_prog_cc_w_no_long_long=no])
312 CFLAGS="$save_CFLAGS"
316 [whether ${CC} accepts -Wno-variadic-macros],
317 [ac_cv_prog_cc_w_no_variadic_macros],
318 [save_CFLAGS="$CFLAGS"
319 CFLAGS="-Wno-variadic-macros"
320 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[]])],
321 [ac_cv_prog_cc_w_no_variadic_macros=yes],
322 [ac_cv_prog_cc_w_no_variadic_macros=no])
323 CFLAGS="$save_CFLAGS"
327 if test $ac_cv_prog_cc_w_no_long_long = yes \
328 && test $ac_cv_prog_cc_w_no_variadic_macros = yes ; then
329 strict1_warn="-pedantic -Wno-long-long -Wno-variadic-macros"
331 AC_SUBST(strict1_warn)
333 # Add -Wold-style-definition if it's accepted
335 [whether ${CC} accepts -Wold-style-definition],
336 [ac_cv_prog_cc_w_old_style_definition],
337 [save_CFLAGS="$CFLAGS"
338 CFLAGS="-Wold-style-definition"
339 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[]])],
340 [ac_cv_prog_cc_w_old_style_definition=yes],
341 [ac_cv_prog_cc_w_old_style_definition=no])
342 CFLAGS="$save_CFLAGS"
344 if test $ac_cv_prog_cc_w_old_style_definition = yes ; then
345 strict1_warn="${strict1_warn} -Wold-style-definition"
348 # Enable -Werror, period.
349 AC_ARG_ENABLE(werror_always,
350 [ --enable-werror-always enable -Werror always], [],
351 [enable_werror_always=no])
352 if test x${enable_werror_always} = xyes ; then
353 strict1_warn="${strict1_warn} -Werror"
357 # If the native compiler is GCC, we can enable warnings even in stage1.
358 # That's useful for people building cross-compilers, or just running a
361 if test "x$GCC" = "xyes"; then
362 warn_cflags='$(GCC_WARN_CFLAGS)'
364 AC_SUBST(warn_cflags)
366 # Enable -Werror in bootstrap stage2 and later.
368 if test x"`cat $srcdir/DEV-PHASE`" != xexperimental; then
371 AC_ARG_ENABLE(werror,
372 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
373 [if test x$is_release = x ; then
374 # Default to "yes" on development branches.
377 # Default to "no" on release branches.
380 if test x$enable_werror = xyes ; then
385 # Enable expensive internal checks
386 AC_ARG_ENABLE(checking,
387 [ --enable-checking[=LIST]
388 enable expensive run-time checks. With LIST,
389 enable only specific categories of checks.
390 Categories are: yes,no,all,none,release.
391 Flags are: assert,fold,gc,gcac,misc,
392 rtlflag,rtl,runtime,tree,valgrind.],
393 [ac_checking_flags="${enableval}"],[
394 # Determine the default checks.
395 if test x$is_release = x ; then
396 ac_checking_flags=yes
398 ac_checking_flags=release
404 ac_gc_always_collect=
407 ac_runtime_checking=1
409 ac_valgrind_checking=
410 IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
411 for check in $ac_checking_flags
414 # these set all the flags to specific states
415 yes) ac_assert_checking=1 ; ac_checking=1 ;
416 ac_fold_checking= ; ac_gc_checking=1 ;
417 ac_gc_always_collect= ; ac_rtl_checking= ;
418 ac_rtlflag_checking=1 ; ac_runtime_checking=1 ;
419 ac_tree_checking=1 ; ac_valgrind_checking= ;;
420 no|none) ac_assert_checking= ; ac_checking= ;
421 ac_fold_checking= ; ac_gc_checking= ;
422 ac_gc_always_collect= ; ac_rtl_checking= ;
423 ac_rtlflag_checking= ; ac_runtime_checking= ;
424 ac_tree_checking= ; ac_valgrind_checking= ;;
425 all) ac_assert_checking=1 ; ac_checking=1 ;
426 ac_fold_checking=1 ; ac_gc_checking=1 ;
427 ac_gc_always_collect=1 ; ac_rtl_checking=1 ;
428 ac_rtlflag_checking=1 ; ac_runtime_checking=1 ;
429 ac_tree_checking=1 ; ac_valgrind_checking= ;;
430 release) ac_assert_checking=1 ; ac_checking= ;
431 ac_fold_checking= ; ac_gc_checking= ;
432 ac_gc_always_collect= ; ac_rtl_checking= ;
433 ac_rtlflag_checking= ; ac_runtime_checking=1 ;
434 ac_tree_checking= ; ac_valgrind_checking= ;;
435 # these enable particular checks
436 assert) ac_assert_checking=1 ;;
437 fold) ac_fold_checking=1 ;;
438 gc) ac_gc_checking=1 ;;
439 gcac) ac_gc_always_collect=1 ;;
440 misc) ac_checking=1 ;;
441 rtl) ac_rtl_checking=1 ;;
442 rtlflag) ac_rtlflag_checking=1 ;;
443 runtime) ac_runtime_checking=1 ;;
444 tree) ac_tree_checking=1 ;;
445 valgrind) ac_valgrind_checking=1 ;;
446 *) AC_MSG_ERROR(unknown check category $check) ;;
452 if test x$ac_checking != x ; then
453 AC_DEFINE(ENABLE_CHECKING, 1,
454 [Define if you want more run-time sanity checks. This one gets a grab
455 bag of miscellaneous but relatively cheap checks.])
456 nocommon_flag=-fno-common
458 AC_SUBST(nocommon_flag)
459 if test x$ac_assert_checking != x ; then
460 AC_DEFINE(ENABLE_ASSERT_CHECKING, 1,
461 [Define if you want assertions enabled. This is a cheap check.])
463 GCC_TARGET_TEMPLATE(ENABLE_RUNTIME_CHECKING)
464 if test x$ac_runtime_checking != x ; then
465 AC_DEFINE(ENABLE_RUNTIME_CHECKING, 1,
466 [Define if you want runtime assertions enabled. This is a cheap check.])
468 if test x$ac_tree_checking != x ; then
469 AC_DEFINE(ENABLE_TREE_CHECKING, 1,
470 [Define if you want all operations on trees (the basic data
471 structure of the front ends) to be checked for dynamic type safety
472 at runtime. This is moderately expensive. The tree browser debugging
473 routines will also be enabled by this option.
475 TREEBROWSER=tree-browser.o
477 AC_SUBST(TREEBROWSER)
478 if test x$ac_rtl_checking != x ; then
479 AC_DEFINE(ENABLE_RTL_CHECKING, 1,
480 [Define if you want all operations on RTL (the basic data structure
481 of the optimizer and back end) to be checked for dynamic type safety
482 at runtime. This is quite expensive.])
484 if test x$ac_rtlflag_checking != x ; then
485 AC_DEFINE(ENABLE_RTL_FLAG_CHECKING, 1,
486 [Define if you want RTL flag accesses to be checked against the RTL
487 codes that are supported for each access macro. This is relatively
490 if test x$ac_gc_checking != x ; then
491 AC_DEFINE(ENABLE_GC_CHECKING, 1,
492 [Define if you want the garbage collector to do object poisoning and
493 other memory allocation checks. This is quite expensive.])
495 if test x$ac_gc_always_collect != x ; then
496 AC_DEFINE(ENABLE_GC_ALWAYS_COLLECT, 1,
497 [Define if you want the garbage collector to operate in maximally
498 paranoid mode, validating the entire heap and collecting garbage at
499 every opportunity. This is extremely expensive.])
501 if test x$ac_fold_checking != x ; then
502 AC_DEFINE(ENABLE_FOLD_CHECKING, 1,
503 [Define if you want fold checked that it never destructs its argument.
504 This is quite expensive.])
506 valgrind_path_defines=
509 dnl # This check AC_REQUIREs various stuff, so it *must not* be inside
510 dnl # an if statement. This was the source of very frustrating bugs
511 dnl # in converting to autoconf 2.5x!
512 AC_CHECK_HEADER(valgrind.h, have_valgrind_h=yes, have_valgrind_h=no)
514 if test x$ac_valgrind_checking != x ; then
515 # It is certainly possible that there's valgrind but no valgrind.h.
516 # GCC relies on making annotations so we must have both.
517 AC_MSG_CHECKING(for VALGRIND_DISCARD in <valgrind/memcheck.h>)
519 [#include <valgrind/memcheck.h>
520 #ifndef VALGRIND_DISCARD
521 #error VALGRIND_DISCARD not defined
523 [gcc_cv_header_valgrind_memcheck_h=yes],
524 [gcc_cv_header_valgrind_memcheck_h=no])
525 AC_MSG_RESULT($gcc_cv_header_valgrind_memcheck_h)
526 AC_MSG_CHECKING(for VALGRIND_DISCARD in <memcheck.h>)
528 [#include <memcheck.h>
529 #ifndef VALGRIND_DISCARD
530 #error VALGRIND_DISCARD not defined
532 [gcc_cv_header_memcheck_h=yes],
533 gcc_cv_header_memcheck_h=no)
534 AC_MSG_RESULT($gcc_cv_header_memcheck_h)
535 AM_PATH_PROG_WITH_TEST(valgrind_path, valgrind,
536 [$ac_dir/$ac_word --version | grep valgrind- >/dev/null 2>&1])
537 if test "x$valgrind_path" = "x" \
538 || (test $have_valgrind_h = no \
539 && test $gcc_cv_header_memcheck_h = no \
540 && test $gcc_cv_header_valgrind_memcheck_h = no); then
541 AC_MSG_ERROR([*** Can't find both valgrind and valgrind/memcheck.h, memcheck.h or valgrind.h])
543 valgrind_path_defines=-DVALGRIND_PATH='\"'$valgrind_path'\"'
544 valgrind_command="$valgrind_path -q"
545 AC_DEFINE(ENABLE_VALGRIND_CHECKING, 1,
546 [Define if you want to run subprograms and generated programs
547 through valgrind (a memory checker). This is extremely expensive.])
548 if test $gcc_cv_header_valgrind_memcheck_h = yes; then
549 AC_DEFINE(HAVE_VALGRIND_MEMCHECK_H, 1,
550 [Define if valgrind's valgrind/memcheck.h header is installed.])
552 if test $gcc_cv_header_memcheck_h = yes; then
553 AC_DEFINE(HAVE_MEMCHECK_H, 1,
554 [Define if valgrind's memcheck.h header is installed.])
557 AC_SUBST(valgrind_path_defines)
558 AC_SUBST(valgrind_command)
560 AC_ARG_ENABLE(mapped-location,
561 [ --enable-mapped-location location_t is fileline integer cookie],,
562 enable_mapped_location=no)
564 if test "$enable_mapped_location" = yes ; then
565 AC_DEFINE(USE_MAPPED_LOCATION, 1,
566 [Define if location_t is fileline integer cookie.])
569 # Enable code coverage collection
570 AC_ARG_ENABLE(coverage,
571 [ --enable-coverage[=LEVEL]
572 enable compiler's code coverage collection.
573 Use to measure compiler performance and locate
574 unused parts of the compiler. With LEVEL, specify
575 optimization. Values are opt, noopt,
577 [case "${enableval}" in
579 coverage_flags="-fprofile-arcs -ftest-coverage -frandom-seed=\$@ -O0"
582 coverage_flags="-fprofile-arcs -ftest-coverage -frandom-seed=\$@ -O2"
585 # a.k.a. --disable-coverage
589 AC_MSG_ERROR(unknown coverage setting $enableval)
593 AC_SUBST(coverage_flags)
595 AC_ARG_ENABLE(gather-detailed-mem-stats,
596 [ --enable-gather-detailed-mem-stats enable detailed memory allocation stats gathering], [],
597 [enable_gather_detailed_mem_stats=no])
598 if test x$enable_gather_detailed_mem_stats = xyes ; then
599 AC_DEFINE(GATHER_STATISTICS, 1,
600 [Define to enable detailed memory allocation stats gathering.])
603 # -------------------------------
604 # Miscenalleous configure options
605 # -------------------------------
609 [ --with-stabs arrange to use stabs instead of host debug format],
613 # Determine whether or not multilibs are enabled.
614 AC_ARG_ENABLE(multilib,
615 [ --enable-multilib enable library support for multiple ABIs],
616 [], [enable_multilib=yes])
617 AC_SUBST(enable_multilib)
619 # Enable __cxa_atexit for C++.
620 AC_ARG_ENABLE(__cxa_atexit,
621 [ --enable-__cxa_atexit enable __cxa_atexit for C++],
625 # Pass with no value to take the default
626 # Pass with a value to specify a thread package
627 AC_ARG_ENABLE(threads,
628 [ --enable-threads enable thread usage for target GCC
629 --enable-threads=LIB use LIB thread package for target GCC],,
632 AC_ARG_ENABLE(objc-gc,
633 [ --enable-objc-gc enable the use of Boehm's garbage collector with
634 the GNU Objective-C runtime],
635 if test x$enable_objc_gc = xno; then
643 [ --with-dwarf2 force the default debug format to be DWARF 2],
644 dwarf2="$with_dwarf2",
647 AC_ARG_ENABLE(shared,
648 [ --disable-shared don't provide a shared libgcc],
650 case $enable_shared in
654 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
655 for pkg in $enableval; do
656 if test "X$pkg" = "Xgcc" || test "X$pkg" = "Xlibgcc"; then
663 ], [enable_shared=yes])
664 AC_SUBST(enable_shared)
667 [ --with-sysroot[=DIR] Search for usr/lib, usr/include, et al, within DIR.],
669 case ${with_sysroot} in
670 yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_noncanonical}/sys-root' ;;
671 *) TARGET_SYSTEM_ROOT=$with_sysroot ;;
674 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"'
675 CROSS_SYSTEM_HEADER_DIR='$(TARGET_SYSTEM_ROOT)$(NATIVE_SYSTEM_HEADER_DIR)'
677 if test "x$exec_prefix" = xNONE; then
678 if test "x$prefix" = xNONE; then
679 test_prefix=/usr/local
684 test_prefix=$exec_prefix
686 case ${TARGET_SYSTEM_ROOT} in
687 "${test_prefix}"|"${test_prefix}/"*|\
688 '${exec_prefix}'|'${exec_prefix}/'*)
689 t="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE"
690 TARGET_SYSTEM_ROOT_DEFINE="$t"
695 TARGET_SYSTEM_ROOT_DEFINE=
696 CROSS_SYSTEM_HEADER_DIR='$(gcc_tooldir)/sys-include'
698 AC_SUBST(TARGET_SYSTEM_ROOT)
699 AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
700 AC_SUBST(CROSS_SYSTEM_HEADER_DIR)
702 # Build with intermodule optimisations
703 AC_ARG_ENABLE(intermodule,
704 [ --enable-intermodule build the compiler in one step],
705 [case ${enable_intermodule} in
706 yes) onestep="-onestep";;
712 # Sanity check enable_languages in case someone does not run the toplevel
713 # configure # script.
714 AC_ARG_ENABLE(languages,
715 [ --enable-languages=LIST specify which front-ends to build],
716 [case ,${enable_languages}, in
718 # go safe -- we cannot be much sure without the toplevel
720 # analysis of which target libs are present and usable
724 AC_MSG_ERROR([only the toplevel supports --enable-languages=all])
729 enable_languages=c,${enable_languages}
732 [enable_languages=c])
735 for lang in ${srcdir}/*/config-lang.in
738 # The odd quoting in the next line works around
739 # an apparent bug in bash 1.12 on linux.
741 ${srcdir}/[*]/config-lang.in) ;;
743 lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
744 if test "x$lang_alias" = x
746 echo "$lang doesn't set \$language." 1>&2
749 case ",$enable_languages," in
751 subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`" ;;
759 # -------------------------
760 # Checks for other programs
761 # -------------------------
765 # Find some useful tools
767 # We need awk to create options.c and options.h.
768 # Bail out if it's missing.
770 "") AC_MSG_ERROR([can't build without awk, bailing out]) ;;
778 # By default, the Darwin ranlib will not treat common symbols as
779 # definitions when building the archive table of contents. Other
780 # ranlibs do that; pass an option to the Darwin ranlib that makes
781 # it behave similarly.
787 AC_SUBST(ranlib_flags)
791 # See if cmp has --ignore-initial.
792 gcc_AC_PROG_CMP_IGNORE_INITIAL
794 # See if we have the mktemp command.
795 AC_CHECK_PROG(have_mktemp_command, mktemp, yes, no)
797 MISSING="${CONFIG_SHELL-/bin/sh} $srcdir/../missing"
799 # See if makeinfo has been installed and is modern enough
800 # that we can use it.
801 gcc_AC_CHECK_PROG_VER(MAKEINFO, makeinfo, --version,
802 [GNU texinfo.* \([0-9][0-9.]*\)],
804 if test $gcc_cv_prog_makeinfo_modern = no; then
805 MAKEINFO="$MISSING makeinfo"
807 *** Makeinfo is missing or too old.
808 *** Info documentation will not be built.])
815 # Is pod2man recent enough to regenerate manpages?
816 AC_MSG_CHECKING([for recent Pod::Man])
817 if (perl -e 'use 1.10 Pod::Man') >/dev/null 2>&1; then
819 GENERATED_MANPAGES=generated-manpages
824 AC_SUBST(GENERATED_MANPAGES)
827 dnl Don't use AC_PROG_LEX; we insist on flex.
828 dnl LEXLIB is not useful in gcc.
829 AC_CHECK_PROGS([FLEX], flex, [$MISSING flex])
832 AC_CHECK_PROGS([BISON], bison, [$MISSING bison])
834 # Binutils are not build modules, unlike bison/flex/makeinfo. So we
835 # check for build == host before using them.
838 if test x${build} = x${host} && test -f $srcdir/../binutils/nm.c \
839 && test -d ../binutils ; then
840 NM='$(objdir)/../binutils/nm-new'
842 AC_CHECK_PROG(NM, nm, nm, ${CONFIG_SHELL-/bin/sh} ${srcdir}/../missing nm)
846 if test x${build} = x${host} && test -f $srcdir/../binutils/ar.c \
847 && test -d ../binutils ; then
848 AR='$(objdir)/../binutils/ar'
850 AC_CHECK_PROG(AR, ar, ar, ${CONFIG_SHELL-/bin/sh} ${srcdir}/../missing ar)
854 # --------------------
855 # Checks for C headers
856 # --------------------
858 AC_MSG_CHECKING(for GNU C library)
859 AC_CACHE_VAL(gcc_cv_glibc,
861 [#include <features.h>],[
862 #if ! (defined __GLIBC__ || defined __GNU_LIBRARY__)
863 #error Not a GNU C library system
867 AC_MSG_RESULT($gcc_cv_glibc)
868 if test $gcc_cv_glibc = yes; then
869 AC_DEFINE(_GNU_SOURCE, 1, [Always define this when using the GNU C Library])
872 # Need to reject headers which give warnings, so that the -Werror bootstrap
873 # works later. *sigh* This needs to come before all header checks.
880 AC_CHECK_HEADERS(limits.h stddef.h string.h strings.h stdlib.h time.h iconv.h \
881 fcntl.h unistd.h sys/file.h sys/time.h sys/mman.h \
882 sys/resource.h sys/param.h sys/times.h sys/stat.h \
883 direct.h malloc.h langinfo.h ldfcn.h locale.h wchar.h)
885 # Check for thread headers.
886 AC_CHECK_HEADER(thread.h, [have_thread_h=yes], [have_thread_h=])
887 AC_CHECK_HEADER(pthread.h, [have_pthread_h=yes], [have_pthread_h=])
889 # These tests can't be done till we know if we have limits.h.
897 # Stage specific cflags for build.
903 stage1_cflags="-Wa,-J"
909 # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
910 # sources; use -no-cpp-precomp to get to GNU cpp.
911 # Apple's GCC has bugs in designated initializer handling, so disable
913 stage1_cflags="-no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
916 AC_SUBST(stage1_cflags)
918 # These libraries may be used by collect2.
919 # We may need a special search path to get them linked.
920 AC_CACHE_CHECK(for collect2 libraries, gcc_cv_collect2_libs,
922 for libs in '' -lld -lmld \
923 '-L/usr/lib/cmplrs/cc2.11 -lmld' \
924 '-L/usr/lib/cmplrs/cc3.11 -lmld'
927 AC_TRY_LINK_FUNC(ldopen,
928 [gcc_cv_collect2_libs="$libs"; break])
931 test -z "$gcc_cv_collect2_libs" && gcc_cv_collect2_libs='none required'])
932 case $gcc_cv_collect2_libs in
934 *) COLLECT2_LIBS=$gcc_cv_collect2_libs ;;
936 AC_SUBST(COLLECT2_LIBS)
938 # When building Ada code on Alpha, we need exc_resume which is usually in
939 # -lexc. So test for it.
942 AC_SEARCH_LIBS(exc_resume, exc)
945 AC_SUBST(GNAT_LIBEXC)
947 # Some systems put ldexp and frexp in libm instead of libc; assume
948 # they're both in the same place. jcf-dump needs them.
951 AC_SEARCH_LIBS(ldexp, m)
956 # Use <inttypes.h> only if it exists,
957 # doesn't clash with <sys/types.h>, and declares intmax_t.
958 AC_MSG_CHECKING(for inttypes.h)
959 AC_CACHE_VAL(gcc_cv_header_inttypes_h,
961 [#include <sys/types.h>
962 #include <inttypes.h>],
964 [gcc_cv_header_inttypes_h=yes],
965 gcc_cv_header_inttypes_h=no)])
966 AC_MSG_RESULT($gcc_cv_header_inttypes_h)
967 if test $gcc_cv_header_inttypes_h = yes; then
968 AC_DEFINE(HAVE_INTTYPES_H, 1,
969 [Define if you have a working <inttypes.h> header file.])
972 dnl Disabled until we have a complete test for buggy enum bitfields.
973 dnl gcc_AC_C_ENUM_BF_UNSIGNED
975 define(gcc_UNLOCKED_FUNCS, clearerr_unlocked feof_unlocked dnl
976 ferror_unlocked fflush_unlocked fgetc_unlocked fgets_unlocked dnl
977 fileno_unlocked fprintf_unlocked fputc_unlocked fputs_unlocked dnl
978 fread_unlocked fwrite_unlocked getchar_unlocked getc_unlocked dnl
979 putchar_unlocked putc_unlocked)
980 AC_CHECK_FUNCS(times clock dup2 kill getrlimit setrlimit atoll atoq \
981 sysconf strsignal getrusage nl_langinfo scandir alphasort \
982 gettimeofday mbstowcs wcswidth mmap mincore setlocale \
985 if test x$ac_cv_func_mbstowcs = xyes; then
986 AC_CACHE_CHECK(whether mbstowcs works, gcc_cv_func_mbstowcs_works,
987 [ AC_TRY_RUN([#include <stdlib.h>
993 gcc_cv_func_mbstowcs_works=yes,
994 gcc_cv_func_mbstowcs_works=no,
995 gcc_cv_func_mbstowcs_works=yes)])
996 if test x$gcc_cv_func_mbstowcs_works = xyes; then
997 AC_DEFINE(HAVE_WORKING_MBSTOWCS, 1,
998 [Define this macro if mbstowcs does not crash when its
999 first argument is NULL.])
1003 AC_CHECK_TYPE(ssize_t, int)
1005 # Try to determine the array type of the second argument of getgroups
1006 # for the target system (int or gid_t).
1008 if test "${target}" = "${build}"; then
1009 TARGET_GETGROUPS_T=$ac_cv_type_getgroups
1012 # This condition may need some tweaking. It should include all
1013 # targets where the array type of the second argument of getgroups
1014 # is int and the type of gid_t is not equivalent to int.
1015 *-*-sunos* | *-*-ultrix*)
1016 TARGET_GETGROUPS_T=int
1019 TARGET_GETGROUPS_T=gid_t
1023 AC_SUBST(TARGET_GETGROUPS_T)
1025 gcc_AC_FUNC_PRINTF_PTR
1026 gcc_AC_FUNC_MMAP_BLACKLIST
1030 # Under VMS, vfork works very differently than on Unix. The standard test
1031 # won't work, and it isn't easily adaptable. It makes more sense to
1033 ac_cv_func_vfork_works=yes
1039 # Until we have in-tree GNU iconv:
1041 AC_SUBST(LIBICONV_DEP)
1047 # We will need to find libiberty.h and ansidecl.h
1048 saved_CFLAGS="$CFLAGS"
1049 CFLAGS="$CFLAGS -I${srcdir} -I${srcdir}/../include"
1050 gcc_AC_CHECK_DECLS(getenv atol asprintf sbrk abort atof getcwd getwd strsignal \
1051 strstr errno snprintf vsnprintf vasprintf malloc realloc calloc \
1052 free basename getopt clock getpagesize gcc_UNLOCKED_FUNCS, , ,[
1053 #include "ansidecl.h"
1054 #include "system.h"])
1056 gcc_AC_CHECK_DECLS(getrlimit setrlimit getrusage, , ,[
1057 #include "ansidecl.h"
1059 #ifdef HAVE_SYS_RESOURCE_H
1060 #include <sys/resource.h>
1065 #include "ansidecl.h"
1067 #ifdef HAVE_SYS_RESOURCE_H
1068 #include <sys/resource.h>
1070 ],[rlim_t l = 0;],,[AC_DEFINE([rlim_t],[long],
1071 [Define to \`long' if <sys/resource.h> doesn't define.])])
1073 # On AIX 5.2, <ldfcn.h> conflicts with <fcntl.h>, as both define incompatible
1074 # FREAD and FWRITE macros. Fortunately, for GCC's single usage of ldgetname
1075 # in collect2.c, <fcntl.h> isn't visible, but the configure test below needs
1076 # to undef these macros to get the correct value for HAVE_DECL_LDGETNAME.
1077 gcc_AC_CHECK_DECLS(ldgetname, , ,[
1078 #include "ansidecl.h"
1087 gcc_AC_CHECK_DECLS(times, , ,[
1088 #include "ansidecl.h"
1090 #ifdef HAVE_SYS_TIMES_H
1091 #include <sys/times.h>
1095 # More time-related stuff.
1096 AC_CACHE_CHECK(for struct tms, ac_cv_struct_tms, [
1098 #include "ansidecl.h"
1100 #ifdef HAVE_SYS_TIMES_H
1101 #include <sys/times.h>
1103 ], [struct tms tms;], ac_cv_struct_tms=yes, ac_cv_struct_tms=no)])
1104 if test $ac_cv_struct_tms = yes; then
1105 AC_DEFINE(HAVE_STRUCT_TMS, 1,
1106 [Define if <sys/times.h> defines struct tms.])
1109 # use gcc_cv_* here because this doesn't match the behavior of AC_CHECK_TYPE.
1110 # revisit after autoconf 2.50.
1111 AC_CACHE_CHECK(for clock_t, gcc_cv_type_clock_t, [
1113 #include "ansidecl.h"
1115 ], [clock_t x;], gcc_cv_type_clock_t=yes, gcc_cv_type_clock_t=no)])
1116 if test $gcc_cv_type_clock_t = yes; then
1117 AC_DEFINE(HAVE_CLOCK_T, 1,
1118 [Define if <time.h> defines clock_t.])
1121 # Restore CFLAGS from before the gcc_AC_NEED_DECLARATIONS tests.
1122 CFLAGS="$saved_CFLAGS"
1124 gcc_AC_INITFINI_ARRAY
1126 # mkdir takes a single argument on some systems.
1127 gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG
1135 # With Setjmp/Longjmp based exception handling.
1136 AC_ARG_ENABLE(sjlj-exceptions,
1137 [ --enable-sjlj-exceptions
1138 arrange to use setjmp/longjmp exception handling],
1139 [sjlj=`if test $enableval = yes; then echo 1; else echo 0; fi`
1140 AC_DEFINE_UNQUOTED(CONFIG_SJLJ_EXCEPTIONS, $sjlj,
1141 [Define 0/1 to force the choice for exception handling model.])])
1143 # For platforms with the unwind ABI which includes an unwind library,
1144 # libunwind, we can choose to use the system libunwind.
1145 AC_ARG_WITH(system-libunwind,
1146 [ --with-system-libunwind use installed libunwind])
1148 # --------------------------------------------------------
1149 # Build, host, and target specific configuration fragments
1150 # --------------------------------------------------------
1152 # Collect build-machine-specific information.
1153 . ${srcdir}/config.build
1155 # Collect host-machine-specific information.
1156 . ${srcdir}/config.host
1160 # Collect target-machine-specific information.
1161 . ${srcdir}/config.gcc
1163 extra_objs="${host_extra_objs} ${extra_objs}"
1164 extra_gcc_objs="${host_extra_gcc_objs} ${extra_gcc_objs}"
1166 # Default the target-machine variables that were not explicitly set.
1167 if test x"$tm_file" = x
1168 then tm_file=$cpu_type/$cpu_type.h; fi
1170 if test x"$extra_headers" = x
1171 then extra_headers=; fi
1173 if test x$md_file = x
1174 then md_file=$cpu_type/$cpu_type.md; fi
1176 if test x$out_file = x
1177 then out_file=$cpu_type/$cpu_type.c; fi
1179 if test x"$tmake_file" = x
1180 then tmake_file=$cpu_type/t-$cpu_type
1183 if test x"$dwarf2" = xyes
1184 then tm_file="$tm_file tm-dwarf2.h"
1187 # Say what files are being used for the output code and MD file.
1188 echo "Using \`$srcdir/config/$out_file' for machine-specific logic."
1189 echo "Using \`$srcdir/config/$md_file' as machine description file."
1191 # If any of the xm_file variables contain nonexistent files, warn
1192 # about them and drop them.
1195 for x in $build_xm_file; do
1196 if test -f $srcdir/config/$x
1198 else AC_MSG_WARN($srcdir/config/$x does not exist.)
1204 for x in $host_xm_file; do
1205 if test -f $srcdir/config/$x
1207 else AC_MSG_WARN($srcdir/config/$x does not exist.)
1213 for x in $xm_file; do
1214 if test -f $srcdir/config/$x
1216 else AC_MSG_WARN($srcdir/config/$x does not exist.)
1222 for f in $tm_file; do
1225 if test $count = ax; then
1226 echo "Using \`$srcdir/config/$tm_file' as target machine macro file."
1228 echo "Using the following target machine macro files:"
1229 for f in $tm_file; do
1230 echo " $srcdir/config/$f"
1234 if test x$need_64bit_hwint = xyes; then
1235 AC_DEFINE(NEED_64BIT_HOST_WIDE_INT, 1,
1236 [Define to 1 if HOST_WIDE_INT must be 64 bits wide (see hwint.h).])
1239 if test x$use_long_long_for_widest_fast_int = xyes; then
1240 AC_DEFINE(USE_LONG_LONG_FOR_WIDEST_FAST_INT, 1,
1241 [Define to 1 if the 'long long' (or '__int64') is wider than 'long' but still
1242 efficiently supported by the host hardware.])
1246 for f in $host_xm_file; do
1249 if test $count = a; then
1251 elif test $count = ax; then
1252 echo "Using \`$srcdir/config/$host_xm_file' as host machine macro file."
1254 echo "Using the following host machine macro files:"
1255 for f in $host_xm_file; do
1256 echo " $srcdir/config/$f"
1259 echo "Using ${out_host_hook_obj} for host machine hooks."
1261 if test "$host_xm_file" != "$build_xm_file"; then
1263 for f in $build_xm_file; do
1266 if test $count = a; then
1268 elif test $count = ax; then
1269 echo "Using \`$srcdir/config/$build_xm_file' as build machine macro file."
1271 echo "Using the following build machine macro files:"
1272 for f in $build_xm_file; do
1273 echo " $srcdir/config/$f"
1282 # Check if a valid thread package
1283 case ${enable_threads} in
1286 target_thread_file='single'
1290 target_thread_file='single'
1292 aix | dce | gnat | irix | posix | posix95 | rtems | \
1293 single | solaris | vxworks | win32 )
1294 target_thread_file=${enable_threads}
1297 echo "${enable_threads} is an unknown thread package" 1>&2
1302 if test x${thread_file} = x; then
1303 # No thread file set by target-specific clauses in config.gcc,
1304 # so use file chosen by default logic above
1305 thread_file=${target_thread_file}
1308 # Make gthr-default.h if we have a thread file.
1310 if test $thread_file != single; then
1311 rm -f gthr-default.h
1312 echo "#include \"gthr-${thread_file}.h\"" > gthr-default.h
1313 gthread_flags=-DHAVE_GTHR_DEFAULT
1315 AC_SUBST(gthread_flags)
1322 if test x$enable___cxa_atexit = xyes || \
1323 test x$enable___cxa_atexit = x -a x$default_use_cxa_atexit = xyes; then
1324 if test x$host = x$target; then
1325 AC_CHECK_FUNC(__cxa_atexit,[use_cxa_atexit=yes],
1326 [echo "__cxa_atexit can't be enabled on this target"])
1328 # We can't check for __cxa_atexit when building a cross, so assume
1332 if test x$use_cxa_atexit = xyes; then
1333 AC_DEFINE(DEFAULT_USE_CXA_ATEXIT, 1,
1334 [Define if you want to use __cxa_atexit, rather than atexit, to
1335 register C++ destructors for local statics and global objects.
1336 This is essential for fully standards-compliant handling of
1337 destructors, but requires __cxa_atexit in libc.])
1341 # Look for a file containing extra machine modes.
1342 if test -n "$extra_modes" && test -f $srcdir/config/$extra_modes; then
1343 extra_modes_file='$(srcdir)'/config/${extra_modes}
1344 AC_SUBST(extra_modes_file)
1345 AC_DEFINE_UNQUOTED(EXTRA_MODES_FILE, "config/$extra_modes",
1346 [Define to the name of a file containing a list of extra machine modes
1347 for this architecture.])
1350 # Convert extra_options into a form suitable for Makefile use.
1352 for f in $extra_options; do
1353 extra_opt_files="$extra_opt_files \$(srcdir)/config/$f"
1355 AC_SUBST(extra_opt_files)
1357 # auto-host.h is the file containing items generated by autoconf and is
1358 # the first file included by config.h.
1359 # If host=build, it is correct to have bconfig include auto-host.h
1360 # as well. If host!=build, we are in error and need to do more
1361 # work to find out the build config parameters.
1362 if test x$host = x$build
1364 build_auto=auto-host.h
1366 # We create a subdir, then run autoconf in the subdir.
1367 # To prevent recursion we set host and build for the new
1368 # invocation of configure to the build for this invocation
1375 /* | [A-Za-z]:[\\/]* ) realsrcdir=${srcdir};;
1376 *) realsrcdir=../${srcdir};;
1378 saved_CFLAGS="${CFLAGS}"
1379 CC="${CC_FOR_BUILD}" CFLAGS="${CFLAGS_FOR_BUILD}" \
1380 ${realsrcdir}/configure \
1381 --enable-languages=${enable_languages-all} \
1382 --target=$target_alias --host=$build_alias --build=$build_alias
1383 CFLAGS="${saved_CFLAGS}"
1385 # We just finished tests for the build machine, so rename
1386 # the file auto-build.h in the gcc directory.
1387 mv auto-host.h ../auto-build.h
1390 build_auto=auto-build.h
1392 AC_SUBST(build_subdir)
1394 tm_file="${tm_file} defaults.h"
1395 tm_p_file="${tm_p_file} tm-preds.h"
1396 host_xm_file="auto-host.h ansidecl.h ${host_xm_file}"
1397 build_xm_file="${build_auto} ansidecl.h ${build_xm_file}"
1398 # We don't want ansidecl.h in target files, write code there in ISO/GNU C.
1399 # put this back in temporarily.
1400 xm_file="auto-host.h ansidecl.h ${xm_file}"
1407 # Compile in configure arguments.
1408 if test -f configargs.h ; then
1409 # Being re-configured.
1410 gcc_config_arguments=`grep configuration_arguments configargs.h | sed -e 's/.*"\([^"]*\)".*/\1/'`
1411 gcc_config_arguments="$gcc_config_arguments : (reconfigured) $TOPLEVEL_CONFIGURE_ARGUMENTS"
1413 gcc_config_arguments="$TOPLEVEL_CONFIGURE_ARGUMENTS"
1416 # Double all backslashes and backslash all quotes to turn
1417 # gcc_config_arguments into a C string.
1418 sed -e 's/\\/\\\\/g; s/"/\\"/g' <<EOF >conftest.out
1419 $gcc_config_arguments
1421 gcc_config_arguments_str=`cat conftest.out`
1424 cat > configargs.h <<EOF
1425 /* Generated automatically. */
1426 static const char configuration_arguments[] = "$gcc_config_arguments_str";
1427 static const char thread_model[] = "$thread_file";
1429 static const struct {
1430 const char *name, *value;
1431 } configure_default_options[] = $configure_default_options;
1435 # Internationalization
1436 ZW_GNU_GETTEXT_SISTER_DIR
1438 # If LIBINTL contains LIBICONV, then clear LIBICONV so we don't get
1439 # -liconv on the link line twice.
1440 case "$LIBINTL" in *$LIBICONV*)
1444 AC_ARG_ENABLE(secureplt,
1445 [ --enable-secureplt enable -msecure-plt by default for PowerPC],
1448 # Windows32 Registry support for specifying GCC installation paths.
1449 AC_ARG_ENABLE(win32-registry,
1450 [ --disable-win32-registry
1451 disable lookup of installation paths in the
1452 Registry on Windows hosts
1453 --enable-win32-registry enable registry lookup (default)
1454 --enable-win32-registry=KEY
1455 use KEY instead of GCC version as the last portion
1456 of the registry key],,)
1459 win32 | pe | cygwin* | mingw32* | uwin*)
1460 if test "x$enable_win32_registry" != xno; then
1461 AC_SEARCH_LIBS(RegOpenKeyExA, advapi32,, [enable_win32_registry=no])
1464 if test "x$enable_win32_registry" != xno; then
1465 AC_DEFINE(ENABLE_WIN32_REGISTRY, 1,
1466 [Define to 1 if installation paths should be looked up in the Windows
1467 Registry. Ignored on non-Windows hosts.])
1469 if test "x$enable_win32_registry" != xyes \
1470 && test "x$enable_win32_registry" != x; then
1471 AC_DEFINE_UNQUOTED(WIN32_REGISTRY_KEY, "$enable_win32_registry",
1472 [Define to be the last component of the Windows registry key under which
1473 to look for installation paths. The full key used will be
1474 HKEY_LOCAL_MACHINE/SOFTWARE/Free Software Foundation/{WIN32_REGISTRY_KEY}.
1475 The default is the GCC version number.])
1481 # Get an absolute path to the GCC top-level source directory
1482 holddir=`${PWDCMD-pwd}`
1484 topdir=`${PWDCMD-pwd}`
1487 # Conditionalize the makefile for this host machine.
1489 for f in ${host_xmake_file}
1491 if test -f ${srcdir}/config/$f
1493 xmake_file="${xmake_file} \$(srcdir)/config/$f"
1497 # Conditionalize the makefile for this target machine.
1499 for f in ${tmake_file}
1501 if test -f ${srcdir}/config/$f
1503 tmake_file_="${tmake_file_} \$(srcdir)/config/$f"
1506 tmake_file="${tmake_file_}"
1508 # If the host doesn't support symlinks, modify CC in
1509 # FLAGS_TO_PASS so CC="stage1/xgcc -Bstage1/" works.
1510 # Otherwise, we can use "CC=$(CC)".
1514 cc_set_by_configure="\$(CC)"
1515 quoted_cc_set_by_configure="\$(CC)"
1516 stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
1517 quoted_stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
1520 cc_set_by_configure="\`case '\$(CC)' in stage*) echo '\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\$(CC)';; esac\`"
1521 quoted_cc_set_by_configure="\\\`case '\\\$(CC)' in stage*) echo '\\\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(CC)';; esac\\\`"
1522 stage_prefix_set_by_configure="\`case '\$(STAGE_PREFIX)' in stage*) echo '\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\$(STAGE_PREFIX)';; esac\`"
1523 quoted_stage_prefix_set_by_configure="\\\`case '\\\$(STAGE_PREFIX)' in stage*) echo '\\\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(STAGE_PREFIX)';; esac\\\`"
1527 # This is a terrible hack which will go away some day.
1528 host_cc_for_libada=${CC}
1529 AC_SUBST(host_cc_for_libada)
1531 out_object_file=`basename $out_file .c`.o
1533 tm_file_list="options.h"
1534 tm_include_list="options.h"
1535 for f in $tm_file; do
1538 tm_file_list="${tm_file_list} \$(srcdir)/$f"
1539 tm_include_list="${tm_include_list} $f"
1542 tm_file_list="${tm_file_list} \$(srcdir)/config/$f"
1543 tm_include_list="${tm_include_list} config/$f"
1550 for f in $tm_p_file; do
1553 tm_p_file_list="${tm_p_file_list} $f"
1554 tm_p_include_list="${tm_p_include_list} $f"
1557 tm_p_file_list="${tm_p_file_list} \$(srcdir)/config/$f"
1558 tm_p_include_list="${tm_p_include_list} config/$f"
1564 for f in $xm_file; do
1567 xm_file_list="${xm_file_list} \$(srcdir)/../include/$f"
1568 xm_include_list="${xm_include_list} $f"
1571 xm_file_list="${xm_file_list} $f"
1572 xm_include_list="${xm_include_list} $f"
1575 xm_file_list="${xm_file_list} \$(srcdir)/config/$f"
1576 xm_include_list="${xm_include_list} config/$f"
1582 host_xm_include_list=
1583 for f in $host_xm_file; do
1586 host_xm_file_list="${host_xm_file_list} \$(srcdir)/../include/$f"
1587 host_xm_include_list="${host_xm_include_list} $f"
1590 host_xm_file_list="${host_xm_file_list} $f"
1591 host_xm_include_list="${host_xm_include_list} $f"
1594 host_xm_file_list="${host_xm_file_list} \$(srcdir)/config/$f"
1595 host_xm_include_list="${host_xm_include_list} config/$f"
1601 for f in $build_xm_file; do
1604 build_xm_file_list="${build_xm_file_list} \$(srcdir)/../include/$f"
1605 build_xm_include_list="${build_xm_include_list} $f"
1607 auto-build.h | auto-host.h )
1608 build_xm_file_list="${build_xm_file_list} $f"
1609 build_xm_include_list="${build_xm_include_list} $f"
1612 build_xm_file_list="${build_xm_file_list} \$(srcdir)/config/$f"
1613 build_xm_include_list="${build_xm_include_list} config/$f"
1618 # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
1619 # Also use all.cross instead of all.internal and adjust SYSTEM_HEADER_DIR.
1620 CROSS= AC_SUBST(CROSS)
1621 ALL=all.internal AC_SUBST(ALL)
1622 SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)' AC_SUBST(SYSTEM_HEADER_DIR)
1623 if test x$host != x$target
1625 CROSS="-DCROSS_COMPILE"
1627 SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)'
1628 case "$host","$target" in
1629 # Darwin crosses can use the host system's libraries and headers,
1630 # because of the fat library support. Of course, it must be the
1631 # same version of Darwin on both sides. Allow the user to
1632 # just say --target=foo-darwin without a version number to mean
1633 # "the version on this system".
1634 *-*-darwin*,*-*-darwin*)
1635 hostos=`echo $host | sed 's/.*-darwin/darwin/'`
1636 targetos=`echo $target | sed 's/.*-darwin/darwin/'`
1637 if test $hostos = $targetos -o $targetos = darwin ; then
1639 SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)'
1644 i?86-*-*,x86_64-*-* \
1645 | powerpc*-*-*,powerpc64*-*-*)
1646 CROSS="$CROSS -DNATIVE_CROSS" ;;
1648 elif test "x$TARGET_SYSTEM_ROOT" != x; then
1649 # This is just $(TARGET_SYSTEM_ROOT)$(NATIVE_SYSTEM_HEADER_DIR)
1650 SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)'
1653 # If this is a cross-compiler that does not
1654 # have its own set of headers then define
1657 # If this is using newlib, without having the headers available now,
1658 # then define inhibit_libc in LIBGCC2_CFLAGS.
1659 # This prevents libgcc2 from containing any code which requires libc
1662 if { { test x$host != x$target && test "x$with_sysroot" = x ; } ||
1663 test x$with_newlib = xyes ; } &&
1664 { test "x$with_headers" = x || test "x$with_headers" = xno ; } ; then
1665 inhibit_libc=-Dinhibit_libc
1667 AC_SUBST(inhibit_libc)
1669 # When building gcc with a cross-compiler, we need to adjust things so
1670 # that the generator programs are still built with the native compiler.
1671 # Also, we cannot run fixincludes or fix-header.
1673 # These are the normal (build=host) settings:
1674 CC_FOR_BUILD='$(CC)' AC_SUBST(CC_FOR_BUILD)
1675 BUILD_CFLAGS='$(ALL_CFLAGS)' AC_SUBST(BUILD_CFLAGS)
1676 STMP_FIXINC=stmp-fixinc AC_SUBST(STMP_FIXINC)
1678 # Possibly disable fixproto, on a per-target basis.
1679 case ${use_fixproto} in
1684 STMP_FIXPROTO=stmp-fixproto
1687 AC_SUBST(STMP_FIXPROTO)
1689 # And these apply if build != host, or we are generating coverage data
1690 if test x$build != x$host || test "x$coverage_flags" != x
1692 BUILD_CFLAGS='$(INTERNAL_CFLAGS) $(T_CFLAGS) $(CFLAGS_FOR_BUILD)'
1694 if test "x$TARGET_SYSTEM_ROOT" = x; then
1695 if test "x$STMP_FIXPROTO" != x; then
1696 STMP_FIXPROTO=stmp-install-fixproto
1701 # Expand extra_headers to include complete path.
1702 # This substitutes for lots of t-* files.
1704 # Prepend $(srcdir)/config/${cpu_type}/ to every entry in extra_headers.
1705 for file in ${extra_headers} ; do
1706 extra_headers_list="${extra_headers_list} \$(srcdir)/config/${cpu_type}/${file}"
1709 # Define collect2 in Makefile.
1710 case $host_can_use_collect2 in
1712 *) collect2='collect2$(exeext)' ;;
1714 AC_SUBST([collect2])
1716 # Add a definition of USE_COLLECT2 if system wants one.
1717 case $use_collect2 in
1718 no) use_collect2= ;;
1721 host_xm_defines="${host_xm_defines} USE_COLLECT2"
1722 xm_defines="${xm_defines} USE_COLLECT2"
1723 case $host_can_use_collect2 in
1725 AC_MSG_ERROR([collect2 is required but cannot be built on this system])
1731 # ---------------------------
1732 # Assembler & linker features
1733 # ---------------------------
1735 # Identify the assembler which will work hand-in-glove with the newly
1736 # built GCC, so that we can examine its features. This is the assembler
1737 # which will be driven by the driver program.
1739 # If build != host, and we aren't building gas in-tree, we identify a
1740 # build->target assembler and hope that it will have the same features
1741 # as the host->target assembler we'll be using.
1742 AC_MSG_CHECKING(what assembler to use)
1745 gcc_cv_gas_major_version=
1746 gcc_cv_gas_minor_version=
1747 gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/gas
1748 if test -x "$DEFAULT_ASSEMBLER"; then
1749 gcc_cv_as="$DEFAULT_ASSEMBLER"
1750 elif test -x as$build_exeext; then
1751 # Build using assembler in the current directory.
1752 gcc_cv_as=./as$build_exeext
1753 elif test -f $gcc_cv_as_gas_srcdir/configure.in \
1754 && test -f ../gas/Makefile \
1755 && test x$build = x$host; then
1756 # Single tree build which includes gas. We want to prefer it
1757 # over whatever linker top-level may have detected, since
1758 # we'll use what we're building after installation anyway.
1760 _gcc_COMPUTE_GAS_VERSION
1761 rm -f as$build_exeext
1762 $LN_S ../gas/as-new$build_exeext as$build_exeext 2>/dev/null
1763 in_tree_gas_is_elf=no
1764 if grep 'obj_format = elf' ../gas/Makefile > /dev/null \
1765 || (grep 'obj_format = multi' ../gas/Makefile \
1766 && grep 'extra_objects =.* obj-elf' ../gas/Makefile) > /dev/null
1768 in_tree_gas_is_elf=yes
1770 m4_pattern_allow([AS_FOR_TARGET])dnl
1771 elif test -x "$AS_FOR_TARGET"; then
1772 gcc_cv_as="$AS_FOR_TARGET"
1773 elif test -x "$AS" && test x$host = x$target; then
1777 gcc_version=`cat $srcdir/BASE-VER`
1779 if test "x$gcc_cv_as" = x; then
1780 # Search the same directories that the installed compiler will
1781 # search. Else we may find the wrong assembler and lose. If we
1782 # do not find a suitable assembler binary, then try the user's
1785 # Also note we have to check MD_EXEC_PREFIX before checking the
1786 # user's path. Unfortunately, there is no good way to get at the
1787 # value of MD_EXEC_PREFIX here. So we do a brute force search
1788 # through all the known MD_EXEC_PREFIX values. Ugh. This needs
1789 # to be fixed as part of the make/configure rewrite too.
1791 if test "x$exec_prefix" = xNONE; then
1792 if test "x$prefix" = xNONE; then
1793 test_prefix=/usr/local
1798 test_prefix=$exec_prefix
1801 # If the loop below does not find an assembler, then use whatever
1802 # one we can find in the users's path. We are looking for a
1803 # ${build} -> ${target} assembler.
1804 if test "x$program_prefix" != xNONE; then
1805 gcc_cv_as=${program_prefix}as$build_exeext
1806 elif test x$build != x$host && test x$build != x$target; then
1807 gcc_cv_as=${target_noncanonical}-as$build_exeext
1809 gcc_cv_as=`echo as | sed "${program_transform_name}"`$build_exeext
1812 if test x$host = x$build; then
1813 test_dirs="$test_prefix/libexec/gcc/$target_noncanonical/$gcc_version \
1814 $test_prefix/libexec/gcc/$target_noncanonical \
1815 /usr/lib/gcc/$target_noncanonical/$gcc_version \
1816 /usr/lib/gcc/$target_noncanonical \
1817 $test_prefix/$target_noncanonical/bin/$target_noncanonical/$gcc_version \
1818 $test_prefix/$target_noncanonical/bin"
1823 if test x$build = x$target; then
1824 test_dirs="$test_dirs \
1829 /bsd43/usr/lib/cmplrs/cc \
1830 /usr/cross64/usr/bin \
1831 /usr/lib/cmplrs/cc \
1832 /sysv/usr/lib/cmplrs/cc \
1833 /svr4/usr/lib/cmplrs/cc \
1837 for dir in $test_dirs; do
1838 if test -x $dir/as$build_exeext; then
1839 gcc_cv_as=$dir/as$build_exeext
1844 case $in_tree_gas in
1846 AC_MSG_RESULT("newly built gas")
1849 AC_MSG_RESULT($gcc_cv_as)
1853 # Identify the linker which will work hand-in-glove with the newly
1854 # built GCC, so that we can examine its features. This is the linker
1855 # which will be driven by the driver program.
1857 # If build != host, and we aren't building gas in-tree, we identify a
1858 # build->target linker and hope that it will have the same features
1859 # as the host->target linker we'll be using.
1860 AC_MSG_CHECKING(what linker to use)
1863 gcc_cv_gld_major_version=
1864 gcc_cv_gld_minor_version=
1865 gcc_cv_ld_gld_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/ld
1866 gcc_cv_ld_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd
1867 if test -x "$DEFAULT_LINKER"; then
1868 gcc_cv_ld="$DEFAULT_LINKER"
1869 elif test -x collect-ld$build_exeext; then
1870 # Build using linker in the current directory.
1871 gcc_cv_ld=./collect-ld$build_exeext
1872 elif test -f $gcc_cv_ld_gld_srcdir/configure.in \
1873 && test -f ../ld/Makefile \
1874 && test x$build = x$host; then
1875 # Single tree build which includes ld. We want to prefer it
1876 # over whatever linker top-level may have detected, since
1877 # we'll use what we're building after installation anyway.
1879 in_tree_ld_is_elf=no
1880 if (grep 'EMUL = .*elf' ../ld/Makefile \
1881 || grep 'EMUL = .*linux' ../ld/Makefile \
1882 || grep 'EMUL = .*lynx' ../ld/Makefile) > /dev/null; then
1883 in_tree_ld_is_elf=yes
1885 for f in $gcc_cv_ld_bfd_srcdir/configure $gcc_cv_ld_gld_srcdir/configure $gcc_cv_ld_gld_srcdir/configure.in $gcc_cv_ld_gld_srcdir/Makefile.in
1888 gcc_cv_gld_version=`sed -n -e 's/^[ ]*\(VERSION=[0-9]*\.[0-9]*.*\)/\1/p' < $f`
1890 if test x$gcc_cv_gld_version != x; then
1895 gcc_cv_gld_major_version=`expr "$gcc_cv_gld_version" : "VERSION=\([0-9]*\)"`
1896 gcc_cv_gld_minor_version=`expr "$gcc_cv_gld_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
1898 rm -f collect-ld$build_exeext
1899 $LN_S ../ld/ld-new$build_exeext collect-ld$build_exeext 2>/dev/null
1900 elif test -x "$LD_FOR_TARGET"; then
1901 gcc_cv_ld="$LD_FOR_TARGET"
1902 elif test -x "$LD" && test x$host = x$target; then
1906 if test "x$gcc_cv_ld" = x; then
1907 # Search the same directories that the installed compiler will
1908 # search. Else we may find the wrong linker and lose. If we
1909 # do not find a suitable linker binary, then try the user's
1912 # Also note we have to check MD_EXEC_PREFIX before checking the
1913 # user's path. Unfortunately, there is no good way to get at the
1914 # value of MD_EXEC_PREFIX here. So we do a brute force search
1915 # through all the known MD_EXEC_PREFIX values. Ugh. This needs
1916 # to be fixed as part of the make/configure rewrite too.
1918 if test "x$exec_prefix" = xNONE; then
1919 if test "x$prefix" = xNONE; then
1920 test_prefix=/usr/local
1925 test_prefix=$exec_prefix
1928 # If the loop below does not find a linker, then use whatever
1929 # one we can find in the users's path. We are looking for a
1930 # ${build} -> ${target} linker.
1931 if test "x$program_prefix" != xNONE; then
1932 gcc_cv_ld=${program_prefix}ld$build_exeext
1933 elif test x$build != x$host && test x$build != x$target; then
1934 gcc_cv_ld=${target_noncanonical}-ld$build_exeext
1936 gcc_cv_ld=`echo ld | sed "${program_transform_name}"`$build_exeext
1939 if test x$host = x$build; then
1940 test_dirs="$test_prefix/libexec/gcc/$target_noncanonical/$gcc_version \
1941 $test_prefix/libexec/gcc/$target_noncanonical \
1942 /usr/lib/gcc/$target_noncanonical/$gcc_version \
1943 /usr/lib/gcc/$target_noncanonical \
1944 $test_prefix/$target_noncanonical/bin/$target_noncanonical/$gcc_version \
1945 $test_prefix/$target_noncanonical/bin"
1950 if test x$build = x$target; then
1951 test_dirs="$test_dirs \
1956 /bsd43/usr/lib/cmplrs/cc \
1957 /usr/cross64/usr/bin \
1958 /usr/lib/cmplrs/cc \
1959 /sysv/usr/lib/cmplrs/cc \
1960 /svr4/usr/lib/cmplrs/cc \
1964 for dir in $test_dirs; do
1965 if test -x $dir/ld$build_exeext; then
1966 gcc_cv_ld=$dir/ld$build_exeext
1973 AC_MSG_RESULT("newly built ld")
1976 AC_MSG_RESULT($gcc_cv_ld)
1980 # Figure out what nm we will be using.
1981 gcc_cv_binutils_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/binutils
1982 AC_MSG_CHECKING(what nm to use)
1984 if test -x nm$build_exeext; then
1985 gcc_cv_nm=./nm$build_exeext
1986 elif test -f $gcc_cv_binutils_srcdir/configure.in \
1987 && test -f ../binutils/Makefile; then
1988 # Single tree build which includes binutils.
1990 gcc_cv_nm=./nm$build_exeext
1991 rm -f nm$build_exeext
1992 $LN_S ../binutils/nm-new$build_exeext nm$build_exeext 2>/dev/null
1993 elif test "x$program_prefix" != xNONE; then
1994 gcc_cv_nm=${program_prefix}nm$build_exeext
1995 elif test x$build != x$host && test x$build != x$target; then
1996 gcc_cv_nm=${target_noncanonical}-nm$build_exeext
1998 gcc_cv_nm=`echo nm | sed "${program_transform_name}"`$build_exeext
2001 yes) AC_MSG_RESULT("newly built nm") ;;
2002 no) AC_MSG_RESULT($gcc_cv_nm) ;;
2005 # Figure out what objdump we will be using.
2006 AC_MSG_CHECKING(what objdump to use)
2008 if test -x objdump$build_exeext; then
2009 gcc_cv_objdump=./objdump$build_exeext
2010 elif test -f $gcc_cv_binutils_srcdir/configure.in \
2011 && test -f ../binutils/Makefile; then
2012 # Single tree build which includes binutils.
2014 gcc_cv_objdump=./objdump$build_exeext
2015 rm -f objdump$build_exeext
2016 $LN_S ../binutils/objdump$build_exeext objdump$build_exeext 2>/dev/null
2017 elif test "x$program_prefix" != xNONE; then
2018 gcc_cv_objdump=${program_prefix}objdump$build_exeext
2019 elif test x$build != x$host && test x$build != x$target; then
2020 gcc_cv_objdump=${target_noncanonical}-objdump$build_exeext
2022 gcc_cv_objdump=`echo objdump | \
2023 sed "${program_transform_name}"`$build_exeext
2025 case $in_tree_objdump in
2026 yes) AC_MSG_RESULT("newly built objdump") ;;
2027 no) AC_MSG_RESULT($gcc_cv_objdump) ;;
2030 # Figure out what assembler alignment features are present.
2031 gcc_GAS_CHECK_FEATURE([.balign and .p2align], gcc_cv_as_balign_and_p2align,
2035 [AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN, 1,
2036 [Define if your assembler supports .balign and .p2align.])])
2038 gcc_GAS_CHECK_FEATURE([.p2align with maximum skip], gcc_cv_as_max_skip_p2align,
2041 [AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN, 1,
2042 [Define if your assembler supports specifying the maximum number
2043 of bytes to skip when using the GAS .p2align command.])])
2045 gcc_GAS_CHECK_FEATURE([working .subsection -1], gcc_cv_as_subsection_m1,
2047 [conftest_label1: .word 0
2049 conftest_label2: .word 0
2051 [if test x$gcc_cv_nm != x; then
2052 $gcc_cv_nm conftest.o | grep conftest_label1 > conftest.nm1
2053 $gcc_cv_nm conftest.o | grep conftest_label2 | sed -e 's/label2/label1/' > conftest.nm2
2054 if cmp conftest.nm1 conftest.nm2 > /dev/null 2>&1
2056 else gcc_cv_as_subsection_m1=yes
2058 rm -f conftest.nm1 conftest.nm2
2060 [AC_DEFINE(HAVE_GAS_SUBSECTION_ORDERING, 1,
2061 [Define if your assembler supports .subsection and .subsection -1 starts
2062 emitting at the beginning of your section.])])
2064 gcc_GAS_CHECK_FEATURE([.weak], gcc_cv_as_weak,
2067 [AC_DEFINE(HAVE_GAS_WEAK, 1, [Define if your assembler supports .weak.])])
2069 gcc_GAS_CHECK_FEATURE([.nsubspa comdat], gcc_cv_as_nsubspa_comdat,
2072 .NSUBSPA $CODE$,COMDAT],,
2073 [AC_DEFINE(HAVE_GAS_NSUBSPA_COMDAT, 1, [Define if your assembler supports .nsubspa comdat option.])])
2075 # .hidden needs to be supported in both the assembler and the linker,
2076 # because GNU LD versions before 2.12.1 have buggy support for STV_HIDDEN.
2077 # This is irritatingly difficult to feature test for; we have to check the
2078 # date string after the version number. If we've got an in-tree
2079 # ld, we don't know its patchlevel version, so we set the baseline at 2.13
2081 # The gcc_GAS_CHECK_FEATURE call just sets a cache variable.
2082 gcc_GAS_CHECK_FEATURE([.hidden], gcc_cv_as_hidden,
2087 AC_CACHE_CHECK(linker for .hidden support, gcc_cv_ld_hidden,
2088 [if test $in_tree_ld = yes ; then
2090 if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 13 -o "$gcc_cv_gld_major_version" -gt 2 \
2091 && test $in_tree_ld_is_elf = yes; then
2092 gcc_cv_ld_hidden=yes
2095 gcc_cv_ld_hidden=yes
2096 ld_ver=`$gcc_cv_ld --version 2>/dev/null | sed 1q`
2097 if echo "$ld_ver" | grep GNU > /dev/null; then
2099 ld_vers=`echo $ld_ver | sed -n \
2100 -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\)$,\1,p' \
2101 -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)$,\1,p' \
2102 -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)$,\1,p' \
2103 -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\)[ ].*$,\1,p' \
2104 -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)[ ].*$,\1,p' \
2105 -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)[ ].*$,\1,p' \
2106 -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)[ ].*$,\1,p'`
2107 ld_date=`echo $ld_ver | sed -n 's,^.*\([2-9][0-9][0-9][0-9]\)[-]*\([01][0-9]\)[-]*\([0-3][0-9]\).*$,\1\2\3,p'`
2108 ld_vers_major=`expr "$ld_vers" : '\([0-9]*\)'`
2109 ld_vers_minor=`expr "$ld_vers" : '[0-9]*\.\([0-9]*\)'`
2110 ld_vers_patch=`expr "$ld_vers" : '[0-9]*\.[0-9]*\.\([0-9]*\)'`
2111 if test 0"$ld_date" -lt 20020404; then
2112 if test -n "$ld_date"; then
2113 # If there was date string, but was earlier than 2002-04-04, fail
2115 elif test -z "$ld_vers"; then
2116 # If there was no date string nor ld version number, something is wrong
2119 test -z "$ld_vers_patch" && ld_vers_patch=0
2120 if test "$ld_vers_major" -lt 2; then
2122 elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -lt 12; then
2123 gcc_cv_ld_hidden="no"
2124 elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -eq 12 -a "$ld_vers_patch" -eq 0; then
2132 hppa64*-*-hpux* | ia64*-*-hpux*)
2133 gcc_cv_ld_hidden=yes
2141 libgcc_visibility=no
2142 AC_SUBST(libgcc_visibility)
2143 GCC_TARGET_TEMPLATE([HAVE_GAS_HIDDEN])
2144 if test $gcc_cv_as_hidden = yes && test $gcc_cv_ld_hidden = yes; then
2145 libgcc_visibility=yes
2146 AC_DEFINE(HAVE_GAS_HIDDEN, 1,
2147 [Define if your assembler and linker support .hidden.])
2150 # Check if we have .[us]leb128, and support symbol arithmetic with it.
2151 gcc_GAS_CHECK_FEATURE([.sleb128 and .uleb128], gcc_cv_as_leb128,
2159 [# GAS versions before 2.11 do not support uleb128,
2160 # despite appearing to.
2161 # ??? There exists an elf-specific test that will crash
2162 # the assembler. Perhaps it's better to figure out whether
2163 # arbitrary sections are supported and try the test.
2164 as_ver=`$gcc_cv_as --version 2>/dev/null | sed 1q`
2165 if echo "$as_ver" | grep GNU > /dev/null; then
2167 as_ver=`echo $as_ver | sed -e 's/GNU assembler \([0-9.][0-9.]*\).*/\1/'`
2168 as_major=`echo $as_ver | sed 's/\..*//'`
2169 as_minor=`echo $as_ver | sed 's/[^.]*\.\([0-9]*\).*/\1/'`
2171 if test $as_major -eq 2 && test $as_minor -lt 11
2173 else gcc_cv_as_leb128=yes
2176 [AC_DEFINE(HAVE_AS_LEB128, 1,
2177 [Define if your assembler supports .sleb128 and .uleb128.])])
2179 # GAS versions up to and including 2.11.0 may mis-optimize
2181 gcc_GAS_CHECK_FEATURE(eh_frame optimization, gcc_cv_as_eh_frame,
2189 .section .eh_frame,"aw",@progbits
2191 .4byte .LECIE1-.LSCIE1
2205 .4byte .LEFDE1-.LASFDE1
2207 .4byte .LASFDE1-__FRAME_BEGIN__
2215 [ dnl # For autoconf 2.5x, must protect trailing spaces with @&t@.
2216 cat > conftest.lit <<EOF
2217 0000 10000000 00000000 017a0001 781a0004 .........z..x...
2218 0010 01000000 12000000 18000000 00000000 ................
2219 0020 08000000 04080000 0044 .........D @&t@
2221 cat > conftest.big <<EOF
2222 0000 00000010 00000000 017a0001 781a0004 .........z..x...
2223 0010 00000001 00000012 00000018 00000000 ................
2224 0020 00000008 04000000 0844 .........D @&t@
2226 # If the assembler didn't choke, and we can objdump,
2227 # and we got the correct data, then succeed.
2228 if test x$gcc_cv_objdump != x \
2229 && $gcc_cv_objdump -s -j .eh_frame conftest.o 2>/dev/null \
2230 | tail -3 > conftest.got \
2231 && { cmp conftest.lit conftest.got > /dev/null 2>&1 \
2232 || cmp conftest.big conftest.got > /dev/null 2>&1; }
2234 gcc_cv_as_eh_frame=yes
2235 elif AC_TRY_COMMAND($gcc_cv_as -o conftest.o --traditional-format /dev/null); then
2236 gcc_cv_as_eh_frame=buggy
2238 # Uh oh, what do we do now?
2239 gcc_cv_as_eh_frame=no
2242 if test $gcc_cv_as_eh_frame = buggy; then
2243 AC_DEFINE(USE_AS_TRADITIONAL_FORMAT, 1,
2244 [Define if your assembler mis-optimizes .eh_frame data.])
2247 gcc_GAS_CHECK_FEATURE(section merging support, gcc_cv_as_shf_merge,
2248 [elf,2,12,0], [--fatal-warnings],
2249 [.section .rodata.str, "aMS", @progbits, 1])
2250 if test $gcc_cv_as_shf_merge = no; then
2251 gcc_GAS_CHECK_FEATURE(section merging support, gcc_cv_as_shf_merge,
2252 [elf,2,12,0], [--fatal-warnings],
2253 [.section .rodata.str, "aMS", %progbits, 1])
2255 AC_DEFINE_UNQUOTED(HAVE_GAS_SHF_MERGE,
2256 [`if test $gcc_cv_as_shf_merge = yes; then echo 1; else echo 0; fi`],
2257 [Define 0/1 if your assembler supports marking sections with SHF_MERGE flag.])
2259 gcc_GAS_CHECK_FEATURE(COMDAT group support, gcc_cv_as_comdat_group,
2260 [elf,2,16,0], [--fatal-warnings],
2261 [.section .text,"axG",@progbits,.foo,comdat])
2262 if test $gcc_cv_as_comdat_group = yes; then
2263 gcc_cv_as_comdat_group_percent=no
2265 gcc_GAS_CHECK_FEATURE(COMDAT group support, gcc_cv_as_comdat_group_percent,
2266 [elf,2,16,0], [--fatal-warnings],
2267 [.section .text,"axG",%progbits,.foo,comdat])
2269 if test $in_tree_ld != yes && test x"$ld_vers" != x; then
2271 if test 0"$ld_date" -lt 20050308; then
2272 if test -n "$ld_date"; then
2273 # If there was date string, but was earlier than 2005-03-08, fail
2275 elif test "$ld_vers_major" -lt 2; then
2277 elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -lt 16; then
2281 if test $comdat_group = no; then
2282 gcc_cv_as_comdat_group=no
2283 gcc_cv_as_comdat_group_percent=no
2286 AC_DEFINE_UNQUOTED(HAVE_COMDAT_GROUP,
2287 [`if test $gcc_cv_as_comdat_group = yes || test $gcc_cv_as_comdat_group_percent = yes; then echo 1; else echo 0; fi`],
2288 [Define 0/1 if your assembler and linker support COMDAT groups.])
2290 # Thread-local storage - the check is heavily parametrized.
2299 .section ".tdata","awT",@progbits
2302 ldq $27,__tls_get_addr($29) !literal!1
2303 lda $16,foo($29) !tlsgd!1
2304 jsr $26,($27),__tls_get_addr !lituse_tlsgd!1
2305 ldq $27,__tls_get_addr($29) !literal!2
2306 lda $16,foo($29) !tlsldm!2
2307 jsr $26,($27),__tls_get_addr !lituse_tlsldm!2
2308 ldq $1,foo($29) !gotdtprel
2309 ldah $2,foo($29) !dtprelhi
2310 lda $3,foo($2) !dtprello
2311 lda $4,foo($29) !dtprel
2312 ldq $1,foo($29) !gottprel
2313 ldah $2,foo($29) !tprelhi
2314 lda $3,foo($2) !tprello
2315 lda $4,foo($29) !tprel'
2318 tls_as_opt=--fatal-warnings
2322 .section ".tdata","awT",@progbits
2331 .section ".tdata","awT",@progbits
2335 leal foo@TLSGD(,%ebx,1), %eax
2336 leal foo@TLSLDM(%ebx), %eax
2337 leal foo@DTPOFF(%eax), %edx
2338 movl foo@GOTTPOFF(%ebx), %eax
2339 subl foo@GOTTPOFF(%ebx), %eax
2340 addl foo@GOTNTPOFF(%ebx), %eax
2341 movl foo@INDNTPOFF, %eax
2342 movl $foo@TPOFF, %eax
2343 subl $foo@TPOFF, %eax
2344 leal foo@NTPOFF(%ecx), %eax'
2347 tls_as_opt=--fatal-warnings
2351 .section ".tdata","awT",@progbits
2355 leaq foo@TLSGD(%rip), %rdi
2356 leaq foo@TLSLD(%rip), %rdi
2357 leaq foo@DTPOFF(%rax), %rdx
2358 movq foo@GOTTPOFF(%rip), %rax
2359 movq $foo@TPOFF, %rax'
2362 tls_as_opt=--fatal-warnings
2366 .section ".tdata","awT",@progbits
2369 addl r16 = @ltoff(@dtpmod(foo#)), gp
2370 addl r17 = @ltoff(@dtprel(foo#)), gp
2371 addl r18 = @ltoff(@tprel(foo#)), gp
2372 addl r19 = @dtprel(foo#), gp
2373 adds r21 = @dtprel(foo#), r13
2374 movl r23 = @dtprel(foo#)
2375 addl r20 = @tprel(foo#), gp
2376 adds r22 = @tprel(foo#), r13
2377 movl r24 = @tprel(foo#)'
2380 tls_as_opt=--fatal-warnings
2384 .section .tdata,"awT",@progbits
2388 addiu $4, $28, %tlsgd(x)
2389 addiu $4, $28, %tlsldm(x)
2390 lui $4, %dtprel_hi(x)
2391 addiu $4, $4, %dtprel_lo(x)
2392 lw $4, %gottprel(x)($28)
2393 lui $4, %tprel_hi(x)
2394 addiu $4, $4, %tprel_lo(x)'
2397 tls_as_opt='-32 --fatal-warnings'
2401 .section ".tdata","awT",@progbits
2409 addi 3,31,ld0@got@tlsgd
2411 addi 3,31,x1@got@tlsld
2414 addis 9,3,x2@dtprel@ha
2415 addi 9,9,x2@dtprel@l
2416 lwz 9,x3@got@tprel(31)
2419 addis 9,2,x2@tprel@ha
2420 addi 9,9,x2@tprel@l'
2423 tls_as_opt="-a32 --fatal-warnings"
2427 .section ".tdata","awT",@progbits
2435 addi 3,2,ld0@got@tlsgd
2441 addi 3,2,x1@got@tlsld
2447 addis 9,3,x2@dtprel@ha
2448 addi 9,9,x2@dtprel@l
2451 ld 9,x3@got@dtprel(2)
2457 tls_as_opt="-a64 --fatal-warnings"
2461 .section ".tdata","awT",@progbits
2470 l %r1,foo@GOTNTPOFF(%r12)
2471 l %r1,0(%r1):tls_load:foo
2472 bas %r14,0(%r1,%r13):tls_gdcall:foo
2473 bas %r14,0(%r1,%r13):tls_ldcall:foo'
2476 tls_as_opt="-m31 --fatal-warnings"
2480 .section ".tdata","awT",@progbits
2488 lg %r1,foo@GOTNTPOFF(%r12)
2489 larl %r1,foo@INDNTPOFF
2490 brasl %r14,__tls_get_offset@PLT:tls_gdcall:foo
2491 brasl %r14,__tls_get_offset@PLT:tls_ldcall:foo'
2494 tls_as_opt="-m64 -Aesame --fatal-warnings"
2496 sh-*-* | sh[34]-*-*)
2498 .section ".tdata","awT",@progbits
2508 tls_as_opt=--fatal-warnings
2512 sparc*-sun-solaris2.*)
2519 if test x$on_solaris = xyes && test x$gas_flag = xno; then
2521 .section ".tdata",#alloc,#write,#tls
2524 sethi %tgd_hi22(foo), %o0
2525 add %o0, %tgd_lo10(foo), %o1
2526 add %l7, %o1, %o0, %tgd_add(foo)
2527 call __tls_get_addr, %tgd_call(foo)
2528 sethi %tldm_hi22(foo), %l1
2529 add %l1, %tldm_lo10(foo), %l2
2530 add %l7, %l2, %o0, %tldm_add(foo)
2531 call __tls_get_addr, %tldm_call(foo)
2532 sethi %tldo_hix22(foo), %l3
2533 xor %l3, %tldo_lox10(foo), %l4
2534 add %o0, %l4, %l5, %tldo_add(foo)
2535 sethi %tie_hi22(foo), %o3
2536 add %o3, %tie_lo10(foo), %o3
2537 ld [%l7 + %o3], %o2, %tie_ld(foo)
2538 add %g7, %o2, %o4, %tie_add(foo)
2539 sethi %tle_hix22(foo), %l1
2540 xor %l1, %tle_lox10(foo), %o5
2541 ld [%g7 + %o5], %o1'
2546 .section ".tdata","awT",@progbits
2549 sethi %tgd_hi22(foo), %o0
2550 add %o0, %tgd_lo10(foo), %o1
2551 add %l7, %o1, %o0, %tgd_add(foo)
2552 call __tls_get_addr, %tgd_call(foo)
2553 sethi %tldm_hi22(foo), %l1
2554 add %l1, %tldm_lo10(foo), %l2
2555 add %l7, %l2, %o0, %tldm_add(foo)
2556 call __tls_get_addr, %tldm_call(foo)
2557 sethi %tldo_hix22(foo), %l3
2558 xor %l3, %tldo_lox10(foo), %l4
2559 add %o0, %l4, %l5, %tldo_add(foo)
2560 sethi %tie_hi22(foo), %o3
2561 add %o3, %tie_lo10(foo), %o3
2562 ld [%l7 + %o3], %o2, %tie_ld(foo)
2563 add %g7, %o2, %o4, %tie_add(foo)
2564 sethi %tle_hix22(foo), %l1
2565 xor %l1, %tle_lox10(foo), %o5
2566 ld [%g7 + %o5], %o1'
2569 tls_as_opt="-32 --fatal-warnings"
2574 if test -z "$tls_first_major"; then
2575 : # If we don't have a check, assume no support.
2577 gcc_GAS_CHECK_FEATURE(thread-local storage support, gcc_cv_as_tls,
2578 [$tls_first_major,$tls_first_minor,0], [$tls_as_opt], [$conftest_s],,
2579 [AC_DEFINE(HAVE_AS_TLS, 1,
2580 [Define if your assembler supports thread-local storage.])])
2583 # Target-specific assembler checks.
2585 AC_MSG_CHECKING(linker -Bstatic/-Bdynamic option)
2586 gcc_cv_ld_static_dynamic=no
2587 if test $in_tree_ld = yes ; then
2588 if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 10; then
2589 gcc_cv_ld_static_dynamic=yes
2591 elif test x$gcc_cv_ld != x; then
2592 # Check if linker supports -Bstatic/-Bdynamic option
2593 if $gcc_cv_ld --help 2>/dev/null | grep -- -Bstatic > /dev/null \
2594 && $gcc_cv_ld --help 2>/dev/null | grep -- -Bdynamic > /dev/null; then
2595 gcc_cv_ld_static_dynamic=yes
2598 if test x"$gcc_cv_ld_static_dynamic" = xyes; then
2599 AC_DEFINE(HAVE_LD_STATIC_DYNAMIC, 1,
2600 [Define if your linker supports -Bstatic/-Bdynamic option.])
2602 AC_MSG_RESULT($gcc_cv_ld_static_dynamic)
2604 if test x"$demangler_in_ld" = xyes; then
2605 AC_MSG_CHECKING(linker --demangle support)
2606 gcc_cv_ld_demangle=no
2607 if test $in_tree_ld = yes; then
2608 if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 14 -o "$gcc_cv_gld_major_version" -gt 2; then \
2609 gcc_cv_ld_demangle=yes
2611 elif test x$gcc_cv_ld != x -a x"$gnu_ld" = xyes; then
2612 # Check if the GNU linker supports --demangle option
2613 if $gcc_cv_ld --help 2>/dev/null | grep no-demangle > /dev/null; then
2614 gcc_cv_ld_demangle=yes
2617 if test x"$gcc_cv_ld_demangle" = xyes; then
2618 AC_DEFINE(HAVE_LD_DEMANGLE, 1,
2619 [Define if your linker supports --demangle option.])
2621 AC_MSG_RESULT($gcc_cv_ld_demangle)
2625 # All TARGET_ABI_OSF targets.
2626 alpha*-*-osf* | alpha*-*-linux* | alpha*-*-*bsd*)
2627 gcc_GAS_CHECK_FEATURE([explicit relocation support],
2628 gcc_cv_as_alpha_explicit_relocs, [2,12,0],,
2631 extbl $3, $2, $3 !lituse_bytoff!1
2632 ldq $2, a($29) !literal!1
2633 ldq $4, b($29) !literal!2
2634 ldq_u $3, 0($2) !lituse_base!1
2635 ldq $27, f($29) !literal!5
2636 jsr $26, ($27), f !lituse_jsr!5
2637 ldah $29, 0($26) !gpdisp!3
2638 lda $0, c($29) !gprel
2639 ldah $1, d($29) !gprelhigh
2640 lda $1, d($1) !gprellow
2641 lda $29, 0($29) !gpdisp!3],,
2642 [AC_DEFINE(HAVE_AS_EXPLICIT_RELOCS, 1,
2643 [Define if your assembler supports explicit relocations.])])
2644 gcc_GAS_CHECK_FEATURE([jsrdirect relocation support],
2645 gcc_cv_as_alpha_jsrdirect_relocs, [2,16,90],,
2648 ldq $27, a($29) !literal!1
2649 jsr $26, ($27), a !lituse_jsrdirect!1],,
2650 [AC_DEFINE(HAVE_AS_JSRDIRECT_RELOCS, 1,
2651 [Define if your assembler supports the lituse_jsrdirect relocation.])])
2655 gcc_GAS_CHECK_FEATURE([-no-mul-bug-abort option],
2656 gcc_cv_as_cris_no_mul_bug,[2,15,91],
2657 [-no-mul-bug-abort], [.text],,
2658 [AC_DEFINE(HAVE_AS_NO_MUL_BUG_ABORT_OPTION, 1,
2659 [Define if your assembler supports the -no-mul-bug-abort option.])])
2663 gcc_GAS_CHECK_FEATURE([.register], gcc_cv_as_sparc_register_op,,,
2664 [.register %g2, #scratch],,
2665 [AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1,
2666 [Define if your assembler supports .register.])])
2668 gcc_GAS_CHECK_FEATURE([-relax option], gcc_cv_as_sparc_relax,,
2670 [AC_DEFINE(HAVE_AS_RELAX_OPTION, 1,
2671 [Define if your assembler supports -relax option.])])
2673 gcc_GAS_CHECK_FEATURE([unaligned pcrel relocs],
2674 gcc_cv_as_sparc_ua_pcrel,,
2682 .uaword %r_disp32(foo)],
2683 [if test x$gcc_cv_ld != x \
2684 && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1; then
2685 gcc_cv_as_sparc_ua_pcrel=yes
2688 [AC_DEFINE(HAVE_AS_SPARC_UA_PCREL, 1,
2689 [Define if your assembler and linker support unaligned PC relative relocs.])
2691 gcc_GAS_CHECK_FEATURE([unaligned pcrel relocs against hidden symbols],
2692 gcc_cv_as_sparc_ua_pcrel_hidden,,
2697 .uaword %r_disp32(foo)
2698 .byte 0x32, 0x33, 0x34
2703 [if test x$gcc_cv_ld != x && test x$gcc_cv_objdump != x \
2704 && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1 \
2705 && $gcc_cv_objdump -s -j .data conftest 2> /dev/null \
2706 | grep ' 31000000 07323334' > /dev/null 2>&1; then
2707 if $gcc_cv_objdump -R conftest 2> /dev/null \
2708 | grep 'DISP32' > /dev/null 2>&1; then
2711 gcc_cv_as_sparc_ua_pcrel_hidden=yes
2715 [AC_DEFINE(HAVE_AS_SPARC_UA_PCREL_HIDDEN, 1,
2716 [Define if your assembler and linker support unaligned PC relative relocs against hidden symbols.])])
2717 ]) # unaligned pcrel relocs
2719 gcc_GAS_CHECK_FEATURE([offsetable %lo()],
2720 gcc_cv_as_sparc_offsetable_lo10,,
2723 or %g1, %lo(ab) + 12, %g1
2724 or %g1, %lo(ab + 12), %g1],
2725 [if test x$gcc_cv_objdump != x \
2726 && $gcc_cv_objdump -s -j .text conftest.o 2> /dev/null \
2727 | grep ' 82106000 82106000' > /dev/null 2>&1; then
2728 gcc_cv_as_sparc_offsetable_lo10=yes
2730 [AC_DEFINE(HAVE_AS_OFFSETABLE_LO10, 1,
2731 [Define if your assembler supports offsetable %lo().])])
2735 i[34567]86-*-* | x86_64-*-*)
2738 cygwin* | pe | mingw32*)
2739 # Used for DWARF 2 in PE
2740 gcc_GAS_CHECK_FEATURE([.secrel32 relocs],
2741 gcc_cv_as_ix86_pe_secrel32,
2747 [if test x$gcc_cv_ld != x \
2748 && $gcc_cv_ld -o conftest conftest.o > /dev/null 2>&1; then
2749 gcc_cv_as_ix86_pe_secrel32=yes
2752 [AC_DEFINE(HAVE_GAS_PE_SECREL32_RELOC, 1,
2753 [Define if your assembler and linker support 32-bit section relative relocs via '.secrel32 label'.])])
2757 gcc_GAS_CHECK_FEATURE([filds and fists mnemonics],
2758 gcc_cv_as_ix86_filds_fists,
2759 [2,9,0],, [filds mem; fists mem],,
2760 [AC_DEFINE(HAVE_GAS_FILDS_FISTS, 1,
2761 [Define if your assembler uses the new HImode fild and fist notation.])])
2763 gcc_GAS_CHECK_FEATURE([cmov syntax],
2764 gcc_cv_as_ix86_cmov_sun_syntax,,,
2765 [cmovl.l %edx, %eax],,
2766 [AC_DEFINE(HAVE_AS_IX86_CMOV_SUN_SYNTAX, 1,
2767 [Define if your assembler supports the Sun syntax for cmov.])])
2769 # This one is used unconditionally by i386.[ch]; it is to be defined
2770 # to 1 if the feature is present, 0 otherwise.
2771 gcc_GAS_CHECK_FEATURE([GOTOFF in data],
2772 gcc_cv_as_ix86_gotoff_in_data, [2,11,0],,
2778 AC_DEFINE_UNQUOTED(HAVE_AS_GOTOFF_IN_DATA,
2779 [`if test $gcc_cv_as_ix86_gotoff_in_data = yes; then echo 1; else echo 0; fi`],
2780 [Define true if the assembler supports '.long foo@GOTOFF'.])
2784 gcc_GAS_CHECK_FEATURE([ltoffx and ldxmov relocs],
2785 gcc_cv_as_ia64_ltoffx_ldxmov_relocs, [2,14,0],,
2787 addl r15 = @ltoffx(x#), gp
2789 ld8.mov r16 = [[r15]], x#],,
2790 [AC_DEFINE(HAVE_AS_LTOFFX_LDXMOV_RELOCS, 1,
2791 [Define if your assembler supports ltoffx and ldxmov relocations.])])
2797 *-*-aix*) conftest_s=' .machine "pwr5"
2801 gcc_GAS_CHECK_FEATURE([.machine directive support],
2802 gcc_cv_as_machine_directive,,,
2803 [ .machine ppc7400])
2804 if test x$gcc_cv_as_machine_directive != xyes; then
2805 echo "*** This target requires an assembler supporting \".machine\"" >&2
2806 echo you can get it from: ftp://gcc.gnu.org/pub/gcc/infrastructure/cctools-528.5.dmg >&2
2807 test x$build = x$target && exit 1
2811 *) conftest_s=' .machine power4
2816 gcc_GAS_CHECK_FEATURE([mfcr field support],
2817 gcc_cv_as_powerpc_mfcrf, [2,14,0],,
2819 [AC_DEFINE(HAVE_AS_MFCRF, 1,
2820 [Define if your assembler supports mfcr field.])])
2823 *-*-aix*) conftest_s=' .machine "pwr5"
2826 *) conftest_s=' .machine power5
2831 gcc_GAS_CHECK_FEATURE([popcntb support],
2832 gcc_cv_as_powerpc_popcntb, [2,17,0],,
2834 [AC_DEFINE(HAVE_AS_POPCNTB, 1,
2835 [Define if your assembler supports popcntb field.])])
2838 *-*-aix*) conftest_s=' .csect .text[[PR]]
2840 addis 11,30,_GLOBAL_OFFSET_TABLE_-LCF..0@ha';;
2844 addis r11,r30,_GLOBAL_OFFSET_TABLE_-LCF0@ha';;
2845 *) conftest_s=' .text
2847 addis 11,30,_GLOBAL_OFFSET_TABLE_-.LCF0@ha';;
2850 gcc_GAS_CHECK_FEATURE([rel16 relocs],
2851 gcc_cv_as_powerpc_rel16, [2,17,0], -a32,
2853 [AC_DEFINE(HAVE_AS_REL16, 1,
2854 [Define if your assembler supports R_PPC_REL16 relocs.])])
2858 gcc_GAS_CHECK_FEATURE([explicit relocation support],
2859 gcc_cv_as_mips_explicit_relocs, [2,14,0],,
2860 [ lw $4,%gp_rel(foo)($4)],,
2861 [if test x$target_cpu_default = x
2862 then target_cpu_default=MASK_EXPLICIT_RELOCS
2863 else target_cpu_default="($target_cpu_default)|MASK_EXPLICIT_RELOCS"
2866 if test x$gas_flag = xyes \
2867 || test x"$host" != x"$build" \
2868 || test ! -x "$gcc_cv_as" \
2869 || "$gcc_cv_as" -v < /dev/null 2>&1 | grep GNU > /dev/null; then
2872 echo "*** This configuration requires the GNU assembler" >&2
2877 # ??? Not all targets support dwarf2 debug_line, even within a version
2878 # of gas. Moreover, we need to emit a valid instruction to trigger any
2879 # info to the output file. So, as supported targets are added to gas 2.11,
2880 # add some instruction here to (also) show we expect this might work.
2881 # ??? Once 2.11 is released, probably need to add first known working
2882 # version to the per-target configury.
2884 i?86*-*-* | mips*-*-* | alpha*-*-* | powerpc*-*-* | sparc*-*-* | m68*-*-* \
2885 | x86_64*-*-* | hppa*-*-* | arm*-*-* | strongarm*-*-* | xscale*-*-* \
2886 | xstormy16*-*-* | cris-*-* | xtensa-*-*)
2889 ia64*-*-* | s390*-*-*)
2896 if test x"$insn" != x; then
2898 .file 1 \"conftest.s\"
2901 gcc_GAS_CHECK_FEATURE([dwarf2 debug_line support],
2902 gcc_cv_as_dwarf2_debug_line,
2903 [elf,2,11,0],, [$conftest_s],
2904 [if test x$gcc_cv_objdump != x \
2905 && $gcc_cv_objdump -h conftest.o 2> /dev/null \
2906 | grep debug_line > /dev/null 2>&1; then
2907 gcc_cv_as_dwarf2_debug_line=yes
2910 # The .debug_line file table must be in the exact order that
2911 # we specified the files, since these indices are also used
2912 # by DW_AT_decl_file. Approximate this test by testing if
2913 # the assembler bitches if the same index is assigned twice.
2914 gcc_GAS_CHECK_FEATURE([buggy dwarf2 .file directive],
2915 gcc_cv_as_dwarf2_file_buggy,,,
2919 if test $gcc_cv_as_dwarf2_debug_line = yes \
2920 && test $gcc_cv_as_dwarf2_file_buggy = no; then
2921 AC_DEFINE(HAVE_AS_DWARF2_DEBUG_LINE, 1,
2922 [Define if your assembler supports dwarf2 .file/.loc directives,
2923 and preserves file table indices exactly as given.])
2926 gcc_GAS_CHECK_FEATURE([--gdwarf2 option],
2927 gcc_cv_as_gdwarf2_flag,
2928 [elf,2,11,0], [--gdwarf2], [$insn],,
2929 [AC_DEFINE(HAVE_AS_GDWARF2_DEBUG_FLAG, 1,
2930 [Define if your assembler supports the --gdwarf2 option.])])
2932 gcc_GAS_CHECK_FEATURE([--gstabs option],
2933 gcc_cv_as_gstabs_flag,
2934 [elf,2,11,0], [--gstabs], [$insn],
2935 [# The native Solaris 9/Intel assembler doesn't understand --gstabs
2936 # and warns about it, but still exits successfully. So check for
2938 if AC_TRY_COMMAND([$gcc_cv_as --gstabs -o conftest.o conftest.s 2>&1 | grep -i warning > /dev/null])
2940 else gcc_cv_as_gstabs_flag=yes
2942 [AC_DEFINE(HAVE_AS_GSTABS_DEBUG_FLAG, 1,
2943 [Define if your assembler supports the --gstabs option.])])
2946 AC_MSG_CHECKING(linker read-only and read-write section mixing)
2947 gcc_cv_ld_ro_rw_mix=unknown
2948 if test $in_tree_ld = yes ; then
2949 if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 10 -o "$gcc_cv_gld_major_version" -gt 2 \
2950 && test $in_tree_ld_is_elf = yes; then
2951 gcc_cv_ld_ro_rw_mix=read-write
2953 elif test x$gcc_cv_as != x -a x$gcc_cv_ld != x -a x$gcc_cv_objdump != x ; then
2954 echo '.section myfoosect, "a"' > conftest1.s
2955 echo '.section myfoosect, "aw"' > conftest2.s
2956 echo '.byte 1' >> conftest2.s
2957 echo '.section myfoosect, "a"' > conftest3.s
2958 echo '.byte 0' >> conftest3.s
2959 if $gcc_cv_as -o conftest1.o conftest1.s > /dev/null 2>&1 \
2960 && $gcc_cv_as -o conftest2.o conftest2.s > /dev/null 2>&1 \
2961 && $gcc_cv_as -o conftest3.o conftest3.s > /dev/null 2>&1 \
2962 && $gcc_cv_ld -shared -o conftest1.so conftest1.o \
2963 conftest2.o conftest3.o > /dev/null 2>&1; then
2964 gcc_cv_ld_ro_rw_mix=`$gcc_cv_objdump -h conftest1.so \
2965 | sed -e '/myfoosect/!d' -e N`
2966 if echo "$gcc_cv_ld_ro_rw_mix" | grep CONTENTS > /dev/null; then
2967 if echo "$gcc_cv_ld_ro_rw_mix" | grep READONLY > /dev/null; then
2968 gcc_cv_ld_ro_rw_mix=read-only
2970 gcc_cv_ld_ro_rw_mix=read-write
2975 rm -f conftest.* conftest[123].*
2978 if test x$gcc_cv_ld_ro_rw_mix = xread-write; then
2979 AC_DEFINE(HAVE_LD_RO_RW_SECTION_MIXING, 1,
2980 [Define if your linker links a mix of read-only
2981 and read-write sections into a read-write section.])
2983 AC_MSG_RESULT($gcc_cv_ld_ro_rw_mix)
2985 AC_MSG_CHECKING(linker PT_GNU_EH_FRAME support)
2986 gcc_cv_ld_eh_frame_hdr=no
2987 if test $in_tree_ld = yes ; then
2988 if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 12 -o "$gcc_cv_gld_major_version" -gt 2 \
2989 && test $in_tree_ld_is_elf = yes; then
2990 gcc_cv_ld_eh_frame_hdr=yes
2992 elif test x$gcc_cv_ld != x; then
2993 # Check if linker supports --eh-frame-hdr option
2994 if $gcc_cv_ld --help 2>/dev/null | grep eh-frame-hdr > /dev/null; then
2995 gcc_cv_ld_eh_frame_hdr=yes
2998 GCC_TARGET_TEMPLATE([HAVE_LD_EH_FRAME_HDR])
2999 if test x"$gcc_cv_ld_eh_frame_hdr" = xyes; then
3000 AC_DEFINE(HAVE_LD_EH_FRAME_HDR, 1,
3001 [Define if your linker supports --eh-frame-hdr option.])
3003 AC_MSG_RESULT($gcc_cv_ld_eh_frame_hdr)
3005 AC_MSG_CHECKING(linker position independent executable support)
3007 if test $in_tree_ld = yes ; then
3008 if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 15 -o "$gcc_cv_gld_major_version" -gt 2 \
3009 && test $in_tree_ld_is_elf = yes; then
3012 elif test x$gcc_cv_ld != x; then
3013 # Check if linker supports -pie option
3014 if $gcc_cv_ld --help 2>/dev/null | grep -- -pie > /dev/null; then
3018 if test x"$gcc_cv_ld_pie" = xyes; then
3019 AC_DEFINE(HAVE_LD_PIE, 1,
3020 [Define if your linker supports -pie option.])
3022 AC_MSG_RESULT($gcc_cv_ld_pie)
3028 AC_CACHE_CHECK(linker --as-needed support,
3029 gcc_cv_ld_as_needed,
3030 [gcc_cv_ld_as_needed=no
3031 if test $in_tree_ld = yes ; then
3032 if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 16 -o "$gcc_cv_gld_major_version" -gt 2 \
3033 && test $in_tree_ld_is_elf = yes; then
3034 gcc_cv_ld_as_needed=yes
3036 elif test x$gcc_cv_ld != x; then
3037 # Check if linker supports --as-needed and --no-as-needed options
3038 if $gcc_cv_ld --help 2>/dev/null | grep as-needed > /dev/null; then
3039 gcc_cv_ld_as_needed=yes
3043 if test x"$gcc_cv_ld_as_needed" = xyes; then
3044 AC_DEFINE(HAVE_LD_AS_NEEDED, 1,
3045 [Define if your linker supports --as-needed and --no-as-needed options.])
3049 powerpc64*-*-linux*)
3050 AC_CACHE_CHECK(linker support for omitting dot symbols,
3051 gcc_cv_ld_no_dot_syms,
3052 [gcc_cv_ld_no_dot_syms=no
3053 if test $in_tree_ld = yes ; then
3054 if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 16 -o "$gcc_cv_gld_major_version" -gt 2; then
3055 gcc_cv_ld_no_dot_syms=yes
3057 elif test x$gcc_cv_as != x -a x$gcc_cv_ld != x ; then
3058 cat > conftest1.s <<EOF
3062 cat > conftest2.s <<EOF
3063 .section ".opd","aw"
3068 .quad .LEfoo,.TOC.@tocbase,0
3074 if $gcc_cv_as -a64 -o conftest1.o conftest1.s > /dev/null 2>&1 \
3075 && $gcc_cv_as -a64 -o conftest2.o conftest2.s > /dev/null 2>&1 \
3076 && $gcc_cv_ld -melf64ppc -o conftest conftest1.o conftest2.o > /dev/null 2>&1; then
3077 gcc_cv_ld_no_dot_syms=yes
3079 rm -f conftest conftest1.o conftest2.o conftest1.s conftest2.s
3082 if test x"$gcc_cv_ld_no_dot_syms" = xyes; then
3083 AC_DEFINE(HAVE_LD_NO_DOT_SYMS, 1,
3084 [Define if your PowerPC64 linker only needs function descriptor syms.])
3089 AC_CACHE_CHECK(linker --sysroot support,
3091 [gcc_cv_ld_sysroot=no
3092 if test $in_tree_ld = yes ; then
3093 if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 16 -o "$gcc_cv_gld_major_version" -gt 2 ; then
3094 gcc_cv_ld_sysroot=yes
3096 elif test x$gcc_cv_ld != x; then
3097 if $gcc_cv_ld --help 2>/dev/null | grep sysroot > /dev/null; then
3098 gcc_cv_ld_sysroot=yes
3101 if test x"$gcc_cv_ld_sysroot" = xyes; then
3102 AC_DEFINE(HAVE_LD_SYSROOT, 1,
3103 [Define if your linker supports --sysroot.])
3106 if test x$with_sysroot = x && test x$host = x$target \
3107 && test "$prefix" != "/usr" && test "x$prefix" != "x$local_prefix" ; then
3108 AC_DEFINE_UNQUOTED(PREFIX_INCLUDE_DIR, "$prefix/include",
3109 [Define to PREFIX/include if cpp should also search that directory.])
3112 # Find out what GC implementation we want, or may, use.
3114 [ --with-gc={page,zone} choose the garbage collection mechanism to use
3122 AC_DEFINE(GGC_ZONE, 1, [Define if the zone collector is in use])
3125 AC_MSG_ERROR([$withval is an invalid option to --with-gc])
3130 echo "Using $GGC for garbage collection."
3132 # Use the system's zlib library.
3134 zlibinc="-I\$(srcdir)/../zlib"
3135 AC_ARG_WITH(system-zlib,
3136 [ --with-system-zlib use installed libz],
3143 dnl Very limited version of automake's enable-maintainer-mode
3145 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3146 dnl maintainer-mode is disabled by default
3147 AC_ARG_ENABLE(maintainer-mode,
3148 [ --enable-maintainer-mode
3149 enable make rules and dependencies not useful
3150 (and sometimes confusing) to the casual installer],
3151 maintainer_mode=$enableval,
3154 AC_MSG_RESULT($maintainer_mode)
3156 if test "$maintainer_mode" = "yes"; then
3167 # Make empty files to contain the specs and options for each language.
3168 # Then add #include lines to for a compiler that has specs and/or options.
3173 for subdir in . $subdirs
3175 if test -f $srcdir/$subdir/lang.opt; then
3176 lang_opt_files="$lang_opt_files $srcdir/$subdir/lang.opt"
3178 if test -f $srcdir/$subdir/lang-specs.h; then
3179 lang_specs_files="$lang_specs_files $srcdir/$subdir/lang-specs.h"
3181 if test -f $srcdir/$subdir/$subdir-tree.def; then
3182 lang_tree_files="$lang_tree_files $srcdir/$subdir/$subdir-tree.def"
3186 # These (without "all_") are set in each config-lang.in.
3187 # `language' must be a single word so is spelled singularly.
3192 all_outputs='Makefile gccbug mklibgcc libada-mk'
3193 # List of language makefile fragments.
3195 # List of language subdirectory makefiles. Deprecated.
3197 # Files for gengtype
3198 all_gtfiles="$target_gtfiles"
3199 # Files for gengtype with language
3200 all_gtfiles_files_langs=
3201 all_gtfiles_files_files=
3203 # Add the language fragments.
3204 # Languages are added via two mechanisms. Some information must be
3205 # recorded in makefile variables, these are defined in config-lang.in.
3206 # We accumulate them and plug them into the main Makefile.
3207 # The other mechanism is a set of hooks for each of the main targets
3208 # like `clean', `install', etc.
3210 language_hooks="Make-hooks"
3220 . ${srcdir}/$s/config-lang.in
3221 if test "x$language" = x
3223 echo "${srcdir}/$s/config-lang.in doesn't set \$language." 1>&2
3226 all_lang_makefrags="$all_lang_makefrags \$(srcdir)/$s/Make-lang.in"
3227 if test -f ${srcdir}/$s/Makefile.in
3228 then all_lang_makefiles="$s/Makefile"
3230 all_languages="$all_languages $language"
3231 if test "x$boot_language" = xyes
3233 all_boot_languages="$all_boot_languages $language"
3235 all_compilers="$all_compilers $compilers"
3236 all_stagestuff="$all_stagestuff $stagestuff"
3237 all_outputs="$all_outputs $outputs"
3238 all_gtfiles="$all_gtfiles $gtfiles"
3241 all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} "
3242 all_gtfiles_files_files="$all_gtfiles_files_files ${f} "
3246 # Pick up gtfiles for c
3249 . ${srcdir}/c-config-lang.in
3250 all_gtfiles="$all_gtfiles $gtfiles"
3253 all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} "
3254 all_gtfiles_files_files="$all_gtfiles_files_files ${f} "
3258 for language in $all_languages
3260 check_languages="$check_languages check-$language"
3263 # We link each language in with a set of hooks, reached indirectly via
3268 target_list="all.build all.cross start.encap rest.encap tags \
3269 install-normal install-common install-man \
3270 uninstall info man srcextra srcman srcinfo \
3271 mostlyclean clean distclean maintainer-clean \
3272 stage1 stage2 stage3 stage4 stageprofile stagefeedback"
3273 for t in $target_list
3276 for lang in $all_languages
3280 echo "lang.$t: $x" >> Make-hooks
3289 echo "dir ." > .gdbinit
3290 echo "dir ${srcdir}" >> .gdbinit
3291 if test x$gdb_needs_out_file_path = xyes
3293 echo "dir ${srcdir}/config/"`dirname ${out_file}` >> .gdbinit
3295 if test "x$subdirs" != x; then
3298 echo "dir ${srcdir}/$s" >> .gdbinit
3301 echo "source ${srcdir}/gdbinit.in" >> .gdbinit
3303 # If $(exec_prefix) exists and is not the same as $(prefix), then compute an
3304 # absolute path for gcc_tooldir based on inserting the number of up-directory
3305 # movements required to get from $(exec_prefix) to $(prefix) into the basic
3306 # $(libsubdir)/@(unlibsubdir) based path.
3307 # Don't set gcc_tooldir to tooldir since that's only passed in by the toplevel
3308 # make and thus we'd get different behavior depending on where we built the
3310 if test x$exec_prefix = xNONE -o x$exec_prefix = x$prefix; then
3311 gcc_tooldir='$(libsubdir)/$(unlibsubdir)/../$(target_noncanonical)'
3313 changequote(<<, >>)dnl
3314 # An explanation of the sed strings:
3315 # -e 's|^\$(prefix)||' matches and eliminates 'prefix' from 'exec_prefix'
3316 # -e 's|/$||' match a trailing forward slash and eliminates it
3317 # -e 's|^[^/]|/|' forces the string to start with a forward slash (*)
3318 # -e 's|/[^/]*|../|g' replaces each occurrence of /<directory> with ../
3320 # (*) Note this pattern overwrites the first character of the string
3321 # with a forward slash if one is not already present. This is not a
3322 # problem because the exact names of the sub-directories concerned is
3323 # unimportant, just the number of them matters.
3325 # The practical upshot of these patterns is like this:
3327 # prefix exec_prefix result
3328 # ------ ----------- ------
3330 # /foo/ /foo/bar ../
3331 # /foo /foo/bar/ ../
3332 # /foo/ /foo/bar/ ../
3333 # /foo /foo/bar/ugg ../../
3336 gcc_tooldir="\$(libsubdir)/\$(unlibsubdir)/\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/\$(dollar)||' -e 's|^[^/]|/|' -e 's|/[^/]*|../|g'\`\$(target_noncanonical)"
3337 changequote([, ])dnl
3339 AC_SUBST(gcc_tooldir)
3342 # Find a directory in which to install a shared libgcc.
3344 AC_ARG_ENABLE(version-specific-runtime-libs,
3345 [ --enable-version-specific-runtime-libs
3346 specify that runtime libraries should be
3347 installed in a compiler-specific directory])
3349 AC_ARG_WITH(slibdir,
3350 [ --with-slibdir=DIR shared libraries in DIR [LIBDIR]],
3351 slibdir="$with_slibdir",
3352 if test "${enable_version_specific_runtime_libs+set}" = set; then
3353 slibdir='$(libsubdir)'
3354 elif test "$host" != "$target"; then
3355 slibdir='$(build_tooldir)/lib'
3361 objdir=`${PWDCMD-pwd}`
3364 # Substitute configuration variables
3367 AC_SUBST(all_boot_languages)
3368 AC_SUBST(all_compilers)
3369 AC_SUBST(all_gtfiles)
3370 AC_SUBST(all_gtfiles_files_langs)
3371 AC_SUBST(all_gtfiles_files_files)
3372 AC_SUBST(all_lang_makefrags)
3373 AC_SUBST(all_lang_makefiles)
3374 AC_SUBST(all_languages)
3375 AC_SUBST(all_stagestuff)
3376 AC_SUBST(build_exeext)
3377 AC_SUBST(build_install_headers_dir)
3378 AC_SUBST(build_xm_file_list)
3379 AC_SUBST(build_xm_include_list)
3380 AC_SUBST(build_xm_defines)
3381 AC_SUBST(check_languages)
3382 AC_SUBST(cc_set_by_configure)
3383 AC_SUBST(quoted_cc_set_by_configure)
3384 AC_SUBST(cpp_install_dir)
3385 AC_SUBST(xmake_file)
3386 AC_SUBST(tmake_file)
3387 AC_SUBST(extra_gcc_objs)
3388 AC_SUBST(extra_headers_list)
3389 AC_SUBST(extra_objs)
3390 AC_SUBST(extra_parts)
3391 AC_SUBST(extra_passes)
3392 AC_SUBST(extra_programs)
3393 AC_SUBST(float_h_file)
3394 AC_SUBST(gcc_config_arguments)
3395 AC_SUBST(gcc_gxx_include_dir)
3396 AC_SUBST(libstdcxx_incdir)
3397 AC_SUBST(host_exeext)
3398 AC_SUBST(host_xm_file_list)
3399 AC_SUBST(host_xm_include_list)
3400 AC_SUBST(host_xm_defines)
3401 AC_SUBST(out_host_hook_obj)
3403 AC_SUBST(lang_opt_files)
3404 AC_SUBST(lang_specs_files)
3405 AC_SUBST(lang_tree_files)
3406 AC_SUBST(local_prefix)
3408 AC_SUBST(objc_boehm_gc)
3410 AC_SUBST(out_object_file)
3411 AC_SUBST(stage_prefix_set_by_configure)
3412 AC_SUBST(quoted_stage_prefix_set_by_configure)
3413 AC_SUBST(thread_file)
3414 AC_SUBST(tm_file_list)
3415 AC_SUBST(tm_include_list)
3416 AC_SUBST(tm_defines)
3417 AC_SUBST(tm_p_file_list)
3418 AC_SUBST(tm_p_include_list)
3419 AC_SUBST(xm_file_list)
3420 AC_SUBST(xm_include_list)
3421 AC_SUBST(xm_defines)
3422 AC_SUBST(c_target_objs)
3423 AC_SUBST(cxx_target_objs)
3424 AC_SUBST(target_cpu_default)
3426 AC_SUBST_FILE(language_hooks)
3429 if test x${build} = x${host} ; then
3430 if test x${host} = x${target} ; then
3431 echo "Links are now set up to build a native compiler for ${target}." 1>&2
3433 echo "Links are now set up to build a cross-compiler" 1>&2
3434 echo " from ${host} to ${target}." 1>&2
3437 if test x${host} = x${target} ; then
3438 echo "Links are now set up to build (on ${build}) a native compiler" 1>&2
3439 echo " for ${target}." 1>&2
3441 echo "Links are now set up to build (on ${build}) a cross-compiler" 1>&2
3442 echo " from ${host} to ${target}." 1>&2
3446 AC_ARG_VAR(GMPLIBS,[How to link GMP])
3447 AC_ARG_VAR(GMPINC,[How to find GMP include files])
3449 # Configure the subdirectories
3450 # AC_CONFIG_SUBDIRS($subdirs)
3452 # Create the Makefile
3453 # and configure language subdirectories
3454 AC_CONFIG_FILES($all_outputs)
3456 AC_CONFIG_COMMANDS([default],
3458 case ${CONFIG_HEADERS} in
3459 *auto-host.h:config.in*)
3462 # Make sure all the subdirs exist.
3463 for d in $subdirs doc build
3465 test -d $d || mkdir $d
3467 # If the host supports symlinks, point stage[1234] at ../stage[1234] so
3468 # bootstrapping and the installation procedure can still use
3469 # CC="stage1/xgcc -Bstage1/". If the host doesn't support symlinks,
3470 # FLAGS_TO_PASS has been modified to solve the problem there.
3471 # This is virtually a duplicate of what happens in configure.lang; we do
3472 # an extra check to make sure this only happens if ln -s can be used.
3475 for d in ${subdirs} ; do
3476 STARTDIR=`${PWDCMD-pwd}`
3478 for t in stage1 stage2 stage3 stage4 stageprofile stagefeedback include
3481 $LN_S ../$t $t 2>/dev/null
3488 [subdirs='$subdirs'])