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 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 *$LIBICONV*)
1444 # Windows32 Registry support for specifying GCC installation paths.
1445 AC_ARG_ENABLE(win32-registry,
1446 [ --disable-win32-registry
1447 disable lookup of installation paths in the
1448 Registry on Windows hosts
1449 --enable-win32-registry enable registry lookup (default)
1450 --enable-win32-registry=KEY
1451 use KEY instead of GCC version as the last portion
1452 of the registry key],,)
1455 win32 | pe | cygwin* | mingw32* | uwin*)
1456 if test "x$enable_win32_registry" != xno; then
1457 AC_SEARCH_LIBS(RegOpenKeyExA, advapi32,, [enable_win32_registry=no])
1460 if test "x$enable_win32_registry" != xno; then
1461 AC_DEFINE(ENABLE_WIN32_REGISTRY, 1,
1462 [Define to 1 if installation paths should be looked up in the Windows
1463 Registry. Ignored on non-Windows hosts.])
1465 if test "x$enable_win32_registry" != xyes \
1466 && test "x$enable_win32_registry" != x; then
1467 AC_DEFINE_UNQUOTED(WIN32_REGISTRY_KEY, "$enable_win32_registry",
1468 [Define to be the last component of the Windows registry key under which
1469 to look for installation paths. The full key used will be
1470 HKEY_LOCAL_MACHINE/SOFTWARE/Free Software Foundation/{WIN32_REGISTRY_KEY}.
1471 The default is the GCC version number.])
1477 # Get an absolute path to the GCC top-level source directory
1478 holddir=`${PWDCMD-pwd}`
1480 topdir=`${PWDCMD-pwd}`
1483 # Conditionalize the makefile for this host machine.
1485 for f in ${host_xmake_file}
1487 if test -f ${srcdir}/config/$f
1489 xmake_file="${xmake_file} \$(srcdir)/config/$f"
1493 # Conditionalize the makefile for this target machine.
1495 for f in ${tmake_file}
1497 if test -f ${srcdir}/config/$f
1499 tmake_file_="${tmake_file_} \$(srcdir)/config/$f"
1502 tmake_file="${tmake_file_}"
1504 # If the host doesn't support symlinks, modify CC in
1505 # FLAGS_TO_PASS so CC="stage1/xgcc -Bstage1/" works.
1506 # Otherwise, we can use "CC=$(CC)".
1510 cc_set_by_configure="\$(CC)"
1511 quoted_cc_set_by_configure="\$(CC)"
1512 stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
1513 quoted_stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
1516 cc_set_by_configure="\`case '\$(CC)' in stage*) echo '\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\$(CC)';; esac\`"
1517 quoted_cc_set_by_configure="\\\`case '\\\$(CC)' in stage*) echo '\\\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(CC)';; esac\\\`"
1518 stage_prefix_set_by_configure="\`case '\$(STAGE_PREFIX)' in stage*) echo '\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\$(STAGE_PREFIX)';; esac\`"
1519 quoted_stage_prefix_set_by_configure="\\\`case '\\\$(STAGE_PREFIX)' in stage*) echo '\\\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(STAGE_PREFIX)';; esac\\\`"
1523 # This is a terrible hack which will go away some day.
1524 host_cc_for_libada=${CC}
1525 AC_SUBST(host_cc_for_libada)
1527 out_object_file=`basename $out_file .c`.o
1529 tm_file_list="options.h"
1530 tm_include_list="options.h"
1531 for f in $tm_file; do
1534 tm_file_list="${tm_file_list} \$(srcdir)/$f"
1535 tm_include_list="${tm_include_list} $f"
1538 tm_file_list="${tm_file_list} \$(srcdir)/config/$f"
1539 tm_include_list="${tm_include_list} config/$f"
1546 for f in $tm_p_file; do
1549 tm_p_file_list="${tm_p_file_list} $f"
1550 tm_p_include_list="${tm_p_include_list} $f"
1553 tm_p_file_list="${tm_p_file_list} \$(srcdir)/config/$f"
1554 tm_p_include_list="${tm_p_include_list} config/$f"
1560 for f in $xm_file; do
1563 xm_file_list="${xm_file_list} \$(srcdir)/../include/$f"
1564 xm_include_list="${xm_include_list} $f"
1567 xm_file_list="${xm_file_list} $f"
1568 xm_include_list="${xm_include_list} $f"
1571 xm_file_list="${xm_file_list} \$(srcdir)/config/$f"
1572 xm_include_list="${xm_include_list} config/$f"
1578 host_xm_include_list=
1579 for f in $host_xm_file; do
1582 host_xm_file_list="${host_xm_file_list} \$(srcdir)/../include/$f"
1583 host_xm_include_list="${host_xm_include_list} $f"
1586 host_xm_file_list="${host_xm_file_list} $f"
1587 host_xm_include_list="${host_xm_include_list} $f"
1590 host_xm_file_list="${host_xm_file_list} \$(srcdir)/config/$f"
1591 host_xm_include_list="${host_xm_include_list} config/$f"
1597 for f in $build_xm_file; do
1600 build_xm_file_list="${build_xm_file_list} \$(srcdir)/../include/$f"
1601 build_xm_include_list="${build_xm_include_list} $f"
1603 auto-build.h | auto-host.h )
1604 build_xm_file_list="${build_xm_file_list} $f"
1605 build_xm_include_list="${build_xm_include_list} $f"
1608 build_xm_file_list="${build_xm_file_list} \$(srcdir)/config/$f"
1609 build_xm_include_list="${build_xm_include_list} config/$f"
1614 # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
1615 # Also use all.cross instead of all.internal and adjust SYSTEM_HEADER_DIR.
1616 CROSS= AC_SUBST(CROSS)
1617 ALL=all.internal AC_SUBST(ALL)
1618 SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)' AC_SUBST(SYSTEM_HEADER_DIR)
1619 if test x$host != x$target
1621 CROSS="-DCROSS_COMPILE"
1623 SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)'
1624 case "$host","$target" in
1625 # Darwin crosses can use the host system's libraries and headers,
1626 # because of the fat library support. Of course, it must be the
1627 # same version of Darwin on both sides. Allow the user to
1628 # just say --target=foo-darwin without a version number to mean
1629 # "the version on this system".
1630 *-*-darwin*,*-*-darwin*)
1631 hostos=`echo $host | sed 's/.*-darwin/darwin/'`
1632 targetos=`echo $target | sed 's/.*-darwin/darwin/'`
1633 if test $hostos = $targetos -o $targetos = darwin ; then
1635 SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)'
1640 i?86-*-*,x86_64-*-* \
1641 | powerpc*-*-*,powerpc64*-*-*)
1642 CROSS="$CROSS -DNATIVE_CROSS" ;;
1644 elif test "x$TARGET_SYSTEM_ROOT" != x; then
1645 # This is just $(TARGET_SYSTEM_ROOT)$(NATIVE_SYSTEM_HEADER_DIR)
1646 SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)'
1649 # If this is a cross-compiler that does not
1650 # have its own set of headers then define
1653 # If this is using newlib, without having the headers available now,
1654 # then define inhibit_libc in LIBGCC2_CFLAGS.
1655 # This prevents libgcc2 from containing any code which requires libc
1658 if { { test x$host != x$target && test "x$with_sysroot" = x ; } ||
1659 test x$with_newlib = xyes ; } &&
1660 { test "x$with_headers" = x || test "x$with_headers" = xno ; } ; then
1661 inhibit_libc=-Dinhibit_libc
1663 AC_SUBST(inhibit_libc)
1665 # When building gcc with a cross-compiler, we need to adjust things so
1666 # that the generator programs are still built with the native compiler.
1667 # Also, we cannot run fixincludes or fix-header.
1669 # These are the normal (build=host) settings:
1670 CC_FOR_BUILD='$(CC)' AC_SUBST(CC_FOR_BUILD)
1671 BUILD_CFLAGS='$(ALL_CFLAGS)' AC_SUBST(BUILD_CFLAGS)
1672 STMP_FIXINC=stmp-fixinc AC_SUBST(STMP_FIXINC)
1674 # Possibly disable fixproto, on a per-target basis.
1675 case ${use_fixproto} in
1680 STMP_FIXPROTO=stmp-fixproto
1683 AC_SUBST(STMP_FIXPROTO)
1685 # And these apply if build != host, or we are generating coverage data
1686 if test x$build != x$host || test "x$coverage_flags" != x
1688 BUILD_CFLAGS='$(INTERNAL_CFLAGS) $(T_CFLAGS) $(CFLAGS_FOR_BUILD)'
1690 if test "x$TARGET_SYSTEM_ROOT" = x; then
1691 if test "x$STMP_FIXPROTO" != x; then
1692 STMP_FIXPROTO=stmp-install-fixproto
1697 # Expand extra_headers to include complete path.
1698 # This substitutes for lots of t-* files.
1700 # Prepend $(srcdir)/config/${cpu_type}/ to every entry in extra_headers.
1701 for file in ${extra_headers} ; do
1702 extra_headers_list="${extra_headers_list} \$(srcdir)/config/${cpu_type}/${file}"
1705 # Define collect2 in Makefile.
1706 case $host_can_use_collect2 in
1708 *) collect2='collect2$(exeext)' ;;
1710 AC_SUBST([collect2])
1712 # Add a definition of USE_COLLECT2 if system wants one.
1713 case $use_collect2 in
1714 no) use_collect2= ;;
1717 host_xm_defines="${host_xm_defines} USE_COLLECT2"
1718 xm_defines="${xm_defines} USE_COLLECT2"
1719 case $host_can_use_collect2 in
1721 AC_MSG_ERROR([collect2 is required but cannot be built on this system])
1727 # ---------------------------
1728 # Assembler & linker features
1729 # ---------------------------
1731 # Identify the assembler which will work hand-in-glove with the newly
1732 # built GCC, so that we can examine its features. This is the assembler
1733 # which will be driven by the driver program.
1735 # If build != host, and we aren't building gas in-tree, we identify a
1736 # build->target assembler and hope that it will have the same features
1737 # as the host->target assembler we'll be using.
1738 AC_MSG_CHECKING(what assembler to use)
1741 gcc_cv_gas_major_version=
1742 gcc_cv_gas_minor_version=
1743 gcc_cv_as_gas_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/gas
1744 if test -x "$DEFAULT_ASSEMBLER"; then
1745 gcc_cv_as="$DEFAULT_ASSEMBLER"
1746 elif test -x as$build_exeext; then
1747 # Build using assembler in the current directory.
1748 gcc_cv_as=./as$build_exeext
1749 elif test -f $gcc_cv_as_gas_srcdir/configure.in \
1750 && test -f ../gas/Makefile \
1751 && test x$build = x$host; then
1752 # Single tree build which includes gas. We want to prefer it
1753 # over whatever linker top-level may have detected, since
1754 # we'll use what we're building after installation anyway.
1756 _gcc_COMPUTE_GAS_VERSION
1757 rm -f as$build_exeext
1758 $LN_S ../gas/as-new$build_exeext as$build_exeext 2>/dev/null
1759 in_tree_gas_is_elf=no
1760 if grep 'obj_format = elf' ../gas/Makefile > /dev/null \
1761 || (grep 'obj_format = multi' ../gas/Makefile \
1762 && grep 'extra_objects =.* obj-elf' ../gas/Makefile) > /dev/null
1764 in_tree_gas_is_elf=yes
1766 m4_pattern_allow([AS_FOR_TARGET])dnl
1767 elif test -x "$AS_FOR_TARGET"; then
1768 gcc_cv_as="$AS_FOR_TARGET"
1769 elif test -x "$AS" && test x$host = x$target; then
1773 gcc_version=`cat $srcdir/BASE-VER`
1775 if test "x$gcc_cv_as" = x; then
1776 # Search the same directories that the installed compiler will
1777 # search. Else we may find the wrong assembler and lose. If we
1778 # do not find a suitable assembler binary, then try the user's
1781 # Also note we have to check MD_EXEC_PREFIX before checking the
1782 # user's path. Unfortunately, there is no good way to get at the
1783 # value of MD_EXEC_PREFIX here. So we do a brute force search
1784 # through all the known MD_EXEC_PREFIX values. Ugh. This needs
1785 # to be fixed as part of the make/configure rewrite too.
1787 if test "x$exec_prefix" = xNONE; then
1788 if test "x$prefix" = xNONE; then
1789 test_prefix=/usr/local
1794 test_prefix=$exec_prefix
1797 # If the loop below does not find an assembler, then use whatever
1798 # one we can find in the users's path. We are looking for a
1799 # ${build} -> ${target} assembler.
1800 if test "x$program_prefix" != xNONE; then
1801 gcc_cv_as=${program_prefix}as$build_exeext
1802 elif test x$build != x$host && test x$build != x$target; then
1803 gcc_cv_as=${target_noncanonical}-as$build_exeext
1805 gcc_cv_as=`echo as | sed "${program_transform_name}"`$build_exeext
1808 if test x$host = x$build; then
1809 test_dirs="$test_prefix/libexec/gcc/$target_noncanonical/$gcc_version \
1810 $test_prefix/libexec/gcc/$target_noncanonical \
1811 /usr/lib/gcc/$target_noncanonical/$gcc_version \
1812 /usr/lib/gcc/$target_noncanonical \
1813 $test_prefix/$target_noncanonical/bin/$target_noncanonical/$gcc_version \
1814 $test_prefix/$target_noncanonical/bin"
1819 if test x$build = x$target; then
1820 test_dirs="$test_dirs \
1825 /bsd43/usr/lib/cmplrs/cc \
1826 /usr/cross64/usr/bin \
1827 /usr/lib/cmplrs/cc \
1828 /sysv/usr/lib/cmplrs/cc \
1829 /svr4/usr/lib/cmplrs/cc \
1833 for dir in $test_dirs; do
1834 if test -x $dir/as$build_exeext; then
1835 gcc_cv_as=$dir/as$build_exeext
1840 case $in_tree_gas in
1842 AC_MSG_RESULT("newly built gas")
1845 AC_MSG_RESULT($gcc_cv_as)
1849 # Identify the linker which will work hand-in-glove with the newly
1850 # built GCC, so that we can examine its features. This is the linker
1851 # which will be driven by the driver program.
1853 # If build != host, and we aren't building gas in-tree, we identify a
1854 # build->target linker and hope that it will have the same features
1855 # as the host->target linker we'll be using.
1856 AC_MSG_CHECKING(what linker to use)
1859 gcc_cv_gld_major_version=
1860 gcc_cv_gld_minor_version=
1861 gcc_cv_ld_gld_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/ld
1862 gcc_cv_ld_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd
1863 if test -x "$DEFAULT_LINKER"; then
1864 gcc_cv_ld="$DEFAULT_LINKER"
1865 elif test -x collect-ld$build_exeext; then
1866 # Build using linker in the current directory.
1867 gcc_cv_ld=./collect-ld$build_exeext
1868 elif test -f $gcc_cv_ld_gld_srcdir/configure.in \
1869 && test -f ../ld/Makefile \
1870 && test x$build = x$host; then
1871 # Single tree build which includes ld. We want to prefer it
1872 # over whatever linker top-level may have detected, since
1873 # we'll use what we're building after installation anyway.
1875 in_tree_ld_is_elf=no
1876 if (grep 'EMUL = .*elf' ../ld/Makefile \
1877 || grep 'EMUL = .*linux' ../ld/Makefile \
1878 || grep 'EMUL = .*lynx' ../ld/Makefile) > /dev/null; then
1879 in_tree_ld_is_elf=yes
1881 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
1884 gcc_cv_gld_version=`sed -n -e 's/^[ ]*\(VERSION=[0-9]*\.[0-9]*.*\)/\1/p' < $f`
1886 if test x$gcc_cv_gld_version != x; then
1891 gcc_cv_gld_major_version=`expr "$gcc_cv_gld_version" : "VERSION=\([0-9]*\)"`
1892 gcc_cv_gld_minor_version=`expr "$gcc_cv_gld_version" : "VERSION=[0-9]*\.\([0-9]*\)"`
1894 rm -f collect-ld$build_exeext
1895 $LN_S ../ld/ld-new$build_exeext collect-ld$build_exeext 2>/dev/null
1896 elif test -x "$LD_FOR_TARGET"; then
1897 gcc_cv_ld="$LD_FOR_TARGET"
1898 elif test -x "$LD" && test x$host = x$target; then
1902 if test "x$gcc_cv_ld" = x; then
1903 # Search the same directories that the installed compiler will
1904 # search. Else we may find the wrong linker and lose. If we
1905 # do not find a suitable linker binary, then try the user's
1908 # Also note we have to check MD_EXEC_PREFIX before checking the
1909 # user's path. Unfortunately, there is no good way to get at the
1910 # value of MD_EXEC_PREFIX here. So we do a brute force search
1911 # through all the known MD_EXEC_PREFIX values. Ugh. This needs
1912 # to be fixed as part of the make/configure rewrite too.
1914 if test "x$exec_prefix" = xNONE; then
1915 if test "x$prefix" = xNONE; then
1916 test_prefix=/usr/local
1921 test_prefix=$exec_prefix
1924 # If the loop below does not find a linker, then use whatever
1925 # one we can find in the users's path. We are looking for a
1926 # ${build} -> ${target} linker.
1927 if test "x$program_prefix" != xNONE; then
1928 gcc_cv_ld=${program_prefix}ld$build_exeext
1929 elif test x$build != x$host && test x$build != x$target; then
1930 gcc_cv_ld=${target_noncanonical}-ld$build_exeext
1932 gcc_cv_ld=`echo ld | sed "${program_transform_name}"`$build_exeext
1935 if test x$host = x$build; then
1936 test_dirs="$test_prefix/libexec/gcc/$target_noncanonical/$gcc_version \
1937 $test_prefix/libexec/gcc/$target_noncanonical \
1938 /usr/lib/gcc/$target_noncanonical/$gcc_version \
1939 /usr/lib/gcc/$target_noncanonical \
1940 $test_prefix/$target_noncanonical/bin/$target_noncanonical/$gcc_version \
1941 $test_prefix/$target_noncanonical/bin"
1946 if test x$build = x$target; then
1947 test_dirs="$test_dirs \
1952 /bsd43/usr/lib/cmplrs/cc \
1953 /usr/cross64/usr/bin \
1954 /usr/lib/cmplrs/cc \
1955 /sysv/usr/lib/cmplrs/cc \
1956 /svr4/usr/lib/cmplrs/cc \
1960 for dir in $test_dirs; do
1961 if test -x $dir/ld$build_exeext; then
1962 gcc_cv_ld=$dir/ld$build_exeext
1969 AC_MSG_RESULT("newly built ld")
1972 AC_MSG_RESULT($gcc_cv_ld)
1976 # Figure out what nm we will be using.
1977 gcc_cv_binutils_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/binutils
1978 AC_MSG_CHECKING(what nm to use)
1980 if test -x nm$build_exeext; then
1981 gcc_cv_nm=./nm$build_exeext
1982 elif test -f $gcc_cv_binutils_srcdir/configure.in \
1983 && test -f ../binutils/Makefile; then
1984 # Single tree build which includes binutils.
1986 gcc_cv_nm=./nm$build_exeext
1987 rm -f nm$build_exeext
1988 $LN_S ../binutils/nm-new$build_exeext nm$build_exeext 2>/dev/null
1989 elif test "x$program_prefix" != xNONE; then
1990 gcc_cv_nm=${program_prefix}nm$build_exeext
1991 elif test x$build != x$host && test x$build != x$target; then
1992 gcc_cv_nm=${target_noncanonical}-nm$build_exeext
1994 gcc_cv_nm=`echo nm | sed "${program_transform_name}"`$build_exeext
1997 yes) AC_MSG_RESULT("newly built nm") ;;
1998 no) AC_MSG_RESULT($gcc_cv_nm) ;;
2001 # Figure out what objdump we will be using.
2002 AC_MSG_CHECKING(what objdump to use)
2004 if test -x objdump$build_exeext; then
2005 gcc_cv_objdump=./objdump$build_exeext
2006 elif test -f $gcc_cv_binutils_srcdir/configure.in \
2007 && test -f ../binutils/Makefile; then
2008 # Single tree build which includes binutils.
2010 gcc_cv_objdump=./objdump$build_exeext
2011 rm -f objdump$build_exeext
2012 $LN_S ../binutils/objdump$build_exeext objdump$build_exeext 2>/dev/null
2013 elif test "x$program_prefix" != xNONE; then
2014 gcc_cv_objdump=${program_prefix}objdump$build_exeext
2015 elif test x$build != x$host && test x$build != x$target; then
2016 gcc_cv_objdump=${target_noncanonical}-objdump$build_exeext
2018 gcc_cv_objdump=`echo objdump | \
2019 sed "${program_transform_name}"`$build_exeext
2021 case $in_tree_objdump in
2022 yes) AC_MSG_RESULT("newly built objdump") ;;
2023 no) AC_MSG_RESULT($gcc_cv_objdump) ;;
2026 # Figure out what assembler alignment features are present.
2027 gcc_GAS_CHECK_FEATURE([.balign and .p2align], gcc_cv_as_balign_and_p2align,
2031 [AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN, 1,
2032 [Define if your assembler supports .balign and .p2align.])])
2034 gcc_GAS_CHECK_FEATURE([.p2align with maximum skip], gcc_cv_as_max_skip_p2align,
2037 [AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN, 1,
2038 [Define if your assembler supports specifying the maximum number
2039 of bytes to skip when using the GAS .p2align command.])])
2041 gcc_GAS_CHECK_FEATURE([working .subsection -1], gcc_cv_as_subsection_m1,
2043 [conftest_label1: .word 0
2045 conftest_label2: .word 0
2047 [if test x$gcc_cv_nm != x; then
2048 $gcc_cv_nm conftest.o | grep conftest_label1 > conftest.nm1
2049 $gcc_cv_nm conftest.o | grep conftest_label2 | sed -e 's/label2/label1/' > conftest.nm2
2050 if cmp conftest.nm1 conftest.nm2 > /dev/null 2>&1
2052 else gcc_cv_as_subsection_m1=yes
2054 rm -f conftest.nm1 conftest.nm2
2056 [AC_DEFINE(HAVE_GAS_SUBSECTION_ORDERING, 1,
2057 [Define if your assembler supports .subsection and .subsection -1 starts
2058 emitting at the beginning of your section.])])
2060 gcc_GAS_CHECK_FEATURE([.weak], gcc_cv_as_weak,
2063 [AC_DEFINE(HAVE_GAS_WEAK, 1, [Define if your assembler supports .weak.])])
2065 gcc_GAS_CHECK_FEATURE([.nsubspa comdat], gcc_cv_as_nsubspa_comdat,
2068 .NSUBSPA $CODE$,COMDAT],,
2069 [AC_DEFINE(HAVE_GAS_NSUBSPA_COMDAT, 1, [Define if your assembler supports .nsubspa comdat option.])])
2071 # .hidden needs to be supported in both the assembler and the linker,
2072 # because GNU LD versions before 2.12.1 have buggy support for STV_HIDDEN.
2073 # This is irritatingly difficult to feature test for; we have to check the
2074 # date string after the version number. If we've got an in-tree
2075 # ld, we don't know its patchlevel version, so we set the baseline at 2.13
2077 # The gcc_GAS_CHECK_FEATURE call just sets a cache variable.
2078 gcc_GAS_CHECK_FEATURE([.hidden], gcc_cv_as_hidden,
2083 AC_CACHE_CHECK(linker for .hidden support, gcc_cv_ld_hidden,
2084 [if test $in_tree_ld = yes ; then
2086 if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 13 -o "$gcc_cv_gld_major_version" -gt 2 \
2087 && test $in_tree_ld_is_elf = yes; then
2088 gcc_cv_ld_hidden=yes
2091 gcc_cv_ld_hidden=yes
2092 ld_ver=`$gcc_cv_ld --version 2>/dev/null | sed 1q`
2093 if echo "$ld_ver" | grep GNU > /dev/null; then
2095 ld_vers=`echo $ld_ver | sed -n \
2096 -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\)$,\1,p' \
2097 -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)$,\1,p' \
2098 -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)$,\1,p' \
2099 -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\)[ ].*$,\1,p' \
2100 -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)[ ].*$,\1,p' \
2101 -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)[ ].*$,\1,p' \
2102 -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)[ ].*$,\1,p'`
2103 ld_date=`echo $ld_ver | sed -n 's,^.*\([2-9][0-9][0-9][0-9]\)[-]*\([01][0-9]\)[-]*\([0-3][0-9]\).*$,\1\2\3,p'`
2104 ld_vers_major=`expr "$ld_vers" : '\([0-9]*\)'`
2105 ld_vers_minor=`expr "$ld_vers" : '[0-9]*\.\([0-9]*\)'`
2106 ld_vers_patch=`expr "$ld_vers" : '[0-9]*\.[0-9]*\.\([0-9]*\)'`
2107 if test 0"$ld_date" -lt 20020404; then
2108 if test -n "$ld_date"; then
2109 # If there was date string, but was earlier than 2002-04-04, fail
2111 elif test -z "$ld_vers"; then
2112 # If there was no date string nor ld version number, something is wrong
2115 test -z "$ld_vers_patch" && ld_vers_patch=0
2116 if test "$ld_vers_major" -lt 2; then
2118 elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -lt 12; then
2119 gcc_cv_ld_hidden="no"
2120 elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -eq 12 -a "$ld_vers_patch" -eq 0; then
2128 hppa64*-*-hpux* | ia64*-*-hpux*)
2129 gcc_cv_ld_hidden=yes
2137 libgcc_visibility=no
2138 AC_SUBST(libgcc_visibility)
2139 GCC_TARGET_TEMPLATE([HAVE_GAS_HIDDEN])
2140 if test $gcc_cv_as_hidden = yes && test $gcc_cv_ld_hidden = yes; then
2141 libgcc_visibility=yes
2142 AC_DEFINE(HAVE_GAS_HIDDEN, 1,
2143 [Define if your assembler and linker support .hidden.])
2146 # Check if we have .[us]leb128, and support symbol arithmetic with it.
2147 gcc_GAS_CHECK_FEATURE([.sleb128 and .uleb128], gcc_cv_as_leb128,
2155 [# GAS versions before 2.11 do not support uleb128,
2156 # despite appearing to.
2157 # ??? There exists an elf-specific test that will crash
2158 # the assembler. Perhaps it's better to figure out whether
2159 # arbitrary sections are supported and try the test.
2160 as_ver=`$gcc_cv_as --version 2>/dev/null | sed 1q`
2161 if echo "$as_ver" | grep GNU > /dev/null; then
2163 as_ver=`echo $as_ver | sed -e 's/GNU assembler \([0-9.][0-9.]*\).*/\1/'`
2164 as_major=`echo $as_ver | sed 's/\..*//'`
2165 as_minor=`echo $as_ver | sed 's/[^.]*\.\([0-9]*\).*/\1/'`
2167 if test $as_major -eq 2 && test $as_minor -lt 11
2169 else gcc_cv_as_leb128=yes
2172 [AC_DEFINE(HAVE_AS_LEB128, 1,
2173 [Define if your assembler supports .sleb128 and .uleb128.])])
2175 # GAS versions up to and including 2.11.0 may mis-optimize
2177 gcc_GAS_CHECK_FEATURE(eh_frame optimization, gcc_cv_as_eh_frame,
2185 .section .eh_frame,"aw",@progbits
2187 .4byte .LECIE1-.LSCIE1
2201 .4byte .LEFDE1-.LASFDE1
2203 .4byte .LASFDE1-__FRAME_BEGIN__
2211 [ dnl # For autoconf 2.5x, must protect trailing spaces with @&t@.
2212 cat > conftest.lit <<EOF
2213 0000 10000000 00000000 017a0001 781a0004 .........z..x...
2214 0010 01000000 12000000 18000000 00000000 ................
2215 0020 08000000 04080000 0044 .........D @&t@
2217 cat > conftest.big <<EOF
2218 0000 00000010 00000000 017a0001 781a0004 .........z..x...
2219 0010 00000001 00000012 00000018 00000000 ................
2220 0020 00000008 04000000 0844 .........D @&t@
2222 # If the assembler didn't choke, and we can objdump,
2223 # and we got the correct data, then succeed.
2224 if test x$gcc_cv_objdump != x \
2225 && $gcc_cv_objdump -s -j .eh_frame conftest.o 2>/dev/null \
2226 | tail -3 > conftest.got \
2227 && { cmp conftest.lit conftest.got > /dev/null 2>&1 \
2228 || cmp conftest.big conftest.got > /dev/null 2>&1; }
2230 gcc_cv_as_eh_frame=yes
2231 elif AC_TRY_COMMAND($gcc_cv_as -o conftest.o --traditional-format /dev/null); then
2232 gcc_cv_as_eh_frame=buggy
2234 # Uh oh, what do we do now?
2235 gcc_cv_as_eh_frame=no
2238 if test $gcc_cv_as_eh_frame = buggy; then
2239 AC_DEFINE(USE_AS_TRADITIONAL_FORMAT, 1,
2240 [Define if your assembler mis-optimizes .eh_frame data.])
2243 gcc_GAS_CHECK_FEATURE(section merging support, gcc_cv_as_shf_merge,
2244 [elf,2,12,0], [--fatal-warnings],
2245 [.section .rodata.str, "aMS", @progbits, 1])
2246 if test $gcc_cv_as_shf_merge = no; then
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])
2251 AC_DEFINE_UNQUOTED(HAVE_GAS_SHF_MERGE,
2252 [`if test $gcc_cv_as_shf_merge = yes; then echo 1; else echo 0; fi`],
2253 [Define 0/1 if your assembler supports marking sections with SHF_MERGE flag.])
2255 gcc_GAS_CHECK_FEATURE(COMDAT group support, gcc_cv_as_comdat_group,
2256 [elf,2,16,0], [--fatal-warnings],
2257 [.section .text,"axG",@progbits,.foo,comdat])
2258 if test $gcc_cv_as_comdat_group = yes; then
2259 gcc_cv_as_comdat_group_percent=no
2261 gcc_GAS_CHECK_FEATURE(COMDAT group support, gcc_cv_as_comdat_group_percent,
2262 [elf,2,16,0], [--fatal-warnings],
2263 [.section .text,"axG",%progbits,.foo,comdat])
2265 if test $in_tree_ld != yes && test x"$ld_vers" != x; then
2267 if test 0"$ld_date" -lt 20050308; then
2268 if test -n "$ld_date"; then
2269 # If there was date string, but was earlier than 2005-03-08, fail
2271 elif test "$ld_vers_major" -lt 2; then
2273 elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -lt 16; then
2277 if test $comdat_group = no; then
2278 gcc_cv_as_comdat_group=no
2279 gcc_cv_as_comdat_group_percent=no
2282 AC_DEFINE_UNQUOTED(HAVE_COMDAT_GROUP,
2283 [`if test $gcc_cv_as_comdat_group = yes || test $gcc_cv_as_comdat_group_percent = yes; then echo 1; else echo 0; fi`],
2284 [Define 0/1 if your assembler and linker support COMDAT groups.])
2286 # Thread-local storage - the check is heavily parametrized.
2295 .section ".tdata","awT",@progbits
2298 ldq $27,__tls_get_addr($29) !literal!1
2299 lda $16,foo($29) !tlsgd!1
2300 jsr $26,($27),__tls_get_addr !lituse_tlsgd!1
2301 ldq $27,__tls_get_addr($29) !literal!2
2302 lda $16,foo($29) !tlsldm!2
2303 jsr $26,($27),__tls_get_addr !lituse_tlsldm!2
2304 ldq $1,foo($29) !gotdtprel
2305 ldah $2,foo($29) !dtprelhi
2306 lda $3,foo($2) !dtprello
2307 lda $4,foo($29) !dtprel
2308 ldq $1,foo($29) !gottprel
2309 ldah $2,foo($29) !tprelhi
2310 lda $3,foo($2) !tprello
2311 lda $4,foo($29) !tprel'
2314 tls_as_opt=--fatal-warnings
2318 .section ".tdata","awT",@progbits
2327 .section ".tdata","awT",@progbits
2331 leal foo@TLSGD(,%ebx,1), %eax
2332 leal foo@TLSLDM(%ebx), %eax
2333 leal foo@DTPOFF(%eax), %edx
2334 movl foo@GOTTPOFF(%ebx), %eax
2335 subl foo@GOTTPOFF(%ebx), %eax
2336 addl foo@GOTNTPOFF(%ebx), %eax
2337 movl foo@INDNTPOFF, %eax
2338 movl $foo@TPOFF, %eax
2339 subl $foo@TPOFF, %eax
2340 leal foo@NTPOFF(%ecx), %eax'
2343 tls_as_opt=--fatal-warnings
2347 .section ".tdata","awT",@progbits
2351 leaq foo@TLSGD(%rip), %rdi
2352 leaq foo@TLSLD(%rip), %rdi
2353 leaq foo@DTPOFF(%rax), %rdx
2354 movq foo@GOTTPOFF(%rip), %rax
2355 movq $foo@TPOFF, %rax'
2358 tls_as_opt=--fatal-warnings
2362 .section ".tdata","awT",@progbits
2365 addl r16 = @ltoff(@dtpmod(foo#)), gp
2366 addl r17 = @ltoff(@dtprel(foo#)), gp
2367 addl r18 = @ltoff(@tprel(foo#)), gp
2368 addl r19 = @dtprel(foo#), gp
2369 adds r21 = @dtprel(foo#), r13
2370 movl r23 = @dtprel(foo#)
2371 addl r20 = @tprel(foo#), gp
2372 adds r22 = @tprel(foo#), r13
2373 movl r24 = @tprel(foo#)'
2376 tls_as_opt=--fatal-warnings
2380 .section .tdata,"awT",@progbits
2384 addiu $4, $28, %tlsgd(x)
2385 addiu $4, $28, %tlsldm(x)
2386 lui $4, %dtprel_hi(x)
2387 addiu $4, $4, %dtprel_lo(x)
2388 lw $4, %gottprel(x)($28)
2389 lui $4, %tprel_hi(x)
2390 addiu $4, $4, %tprel_lo(x)'
2393 tls_as_opt='-32 --fatal-warnings'
2397 .section ".tdata","awT",@progbits
2405 addi 3,31,ld0@got@tlsgd
2407 addi 3,31,x1@got@tlsld
2410 addis 9,3,x2@dtprel@ha
2411 addi 9,9,x2@dtprel@l
2412 lwz 9,x3@got@tprel(31)
2415 addis 9,2,x2@tprel@ha
2416 addi 9,9,x2@tprel@l'
2419 tls_as_opt="-a32 --fatal-warnings"
2423 .section ".tdata","awT",@progbits
2431 addi 3,2,ld0@got@tlsgd
2437 addi 3,2,x1@got@tlsld
2443 addis 9,3,x2@dtprel@ha
2444 addi 9,9,x2@dtprel@l
2447 ld 9,x3@got@dtprel(2)
2453 tls_as_opt="-a64 --fatal-warnings"
2457 .section ".tdata","awT",@progbits
2466 l %r1,foo@GOTNTPOFF(%r12)
2467 l %r1,0(%r1):tls_load:foo
2468 bas %r14,0(%r1,%r13):tls_gdcall:foo
2469 bas %r14,0(%r1,%r13):tls_ldcall:foo'
2472 tls_as_opt="-m31 --fatal-warnings"
2476 .section ".tdata","awT",@progbits
2484 lg %r1,foo@GOTNTPOFF(%r12)
2485 larl %r1,foo@INDNTPOFF
2486 brasl %r14,__tls_get_offset@PLT:tls_gdcall:foo
2487 brasl %r14,__tls_get_offset@PLT:tls_ldcall:foo'
2490 tls_as_opt="-m64 -Aesame --fatal-warnings"
2492 sh-*-* | sh[34]-*-*)
2494 .section ".tdata","awT",@progbits
2504 tls_as_opt=--fatal-warnings
2508 sparc*-sun-solaris2.*)
2515 if test x$on_solaris = xyes && test x$gas_flag = xno; then
2517 .section ".tdata",#alloc,#write,#tls
2520 sethi %tgd_hi22(foo), %o0
2521 add %o0, %tgd_lo10(foo), %o1
2522 add %l7, %o1, %o0, %tgd_add(foo)
2523 call __tls_get_addr, %tgd_call(foo)
2524 sethi %tldm_hi22(foo), %l1
2525 add %l1, %tldm_lo10(foo), %l2
2526 add %l7, %l2, %o0, %tldm_add(foo)
2527 call __tls_get_addr, %tldm_call(foo)
2528 sethi %tldo_hix22(foo), %l3
2529 xor %l3, %tldo_lox10(foo), %l4
2530 add %o0, %l4, %l5, %tldo_add(foo)
2531 sethi %tie_hi22(foo), %o3
2532 add %o3, %tie_lo10(foo), %o3
2533 ld [%l7 + %o3], %o2, %tie_ld(foo)
2534 add %g7, %o2, %o4, %tie_add(foo)
2535 sethi %tle_hix22(foo), %l1
2536 xor %l1, %tle_lox10(foo), %o5
2537 ld [%g7 + %o5], %o1'
2542 .section ".tdata","awT",@progbits
2545 sethi %tgd_hi22(foo), %o0
2546 add %o0, %tgd_lo10(foo), %o1
2547 add %l7, %o1, %o0, %tgd_add(foo)
2548 call __tls_get_addr, %tgd_call(foo)
2549 sethi %tldm_hi22(foo), %l1
2550 add %l1, %tldm_lo10(foo), %l2
2551 add %l7, %l2, %o0, %tldm_add(foo)
2552 call __tls_get_addr, %tldm_call(foo)
2553 sethi %tldo_hix22(foo), %l3
2554 xor %l3, %tldo_lox10(foo), %l4
2555 add %o0, %l4, %l5, %tldo_add(foo)
2556 sethi %tie_hi22(foo), %o3
2557 add %o3, %tie_lo10(foo), %o3
2558 ld [%l7 + %o3], %o2, %tie_ld(foo)
2559 add %g7, %o2, %o4, %tie_add(foo)
2560 sethi %tle_hix22(foo), %l1
2561 xor %l1, %tle_lox10(foo), %o5
2562 ld [%g7 + %o5], %o1'
2565 tls_as_opt="-32 --fatal-warnings"
2570 if test -z "$tls_first_major"; then
2571 : # If we don't have a check, assume no support.
2573 gcc_GAS_CHECK_FEATURE(thread-local storage support, gcc_cv_as_tls,
2574 [$tls_first_major,$tls_first_minor,0], [$tls_as_opt], [$conftest_s],,
2575 [AC_DEFINE(HAVE_AS_TLS, 1,
2576 [Define if your assembler supports thread-local storage.])])
2579 # Target-specific assembler checks.
2581 AC_MSG_CHECKING(linker -Bstatic/-Bdynamic option)
2582 gcc_cv_ld_static_dynamic=no
2583 if test $in_tree_ld = yes ; then
2584 if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 10; then
2585 gcc_cv_ld_static_dynamic=yes
2587 elif test x$gcc_cv_ld != x; then
2588 # Check if linker supports -Bstatic/-Bdynamic option
2589 if $gcc_cv_ld --help 2>/dev/null | grep -- -Bstatic > /dev/null \
2590 && $gcc_cv_ld --help 2>/dev/null | grep -- -Bdynamic > /dev/null; then
2591 gcc_cv_ld_static_dynamic=yes
2594 if test x"$gcc_cv_ld_static_dynamic" = xyes; then
2595 AC_DEFINE(HAVE_LD_STATIC_DYNAMIC, 1,
2596 [Define if your linker supports -Bstatic/-Bdynamic option.])
2598 AC_MSG_RESULT($gcc_cv_ld_static_dynamic)
2600 if test x"$demangler_in_ld" = xyes; then
2601 AC_MSG_CHECKING(linker --demangle support)
2602 gcc_cv_ld_demangle=no
2603 if test $in_tree_ld = yes; then
2604 if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 14 -o "$gcc_cv_gld_major_version" -gt 2; then \
2605 gcc_cv_ld_demangle=yes
2607 elif test x$gcc_cv_ld != x -a x"$gnu_ld" = xyes; then
2608 # Check if the GNU linker supports --demangle option
2609 if $gcc_cv_ld --help 2>/dev/null | grep no-demangle > /dev/null; then
2610 gcc_cv_ld_demangle=yes
2613 if test x"$gcc_cv_ld_demangle" = xyes; then
2614 AC_DEFINE(HAVE_LD_DEMANGLE, 1,
2615 [Define if your linker supports --demangle option.])
2617 AC_MSG_RESULT($gcc_cv_ld_demangle)
2621 # All TARGET_ABI_OSF targets.
2622 alpha*-*-osf* | alpha*-*-linux* | alpha*-*-*bsd*)
2623 gcc_GAS_CHECK_FEATURE([explicit relocation support],
2624 gcc_cv_as_alpha_explicit_relocs, [2,12,0],,
2627 extbl $3, $2, $3 !lituse_bytoff!1
2628 ldq $2, a($29) !literal!1
2629 ldq $4, b($29) !literal!2
2630 ldq_u $3, 0($2) !lituse_base!1
2631 ldq $27, f($29) !literal!5
2632 jsr $26, ($27), f !lituse_jsr!5
2633 ldah $29, 0($26) !gpdisp!3
2634 lda $0, c($29) !gprel
2635 ldah $1, d($29) !gprelhigh
2636 lda $1, d($1) !gprellow
2637 lda $29, 0($29) !gpdisp!3],,
2638 [AC_DEFINE(HAVE_AS_EXPLICIT_RELOCS, 1,
2639 [Define if your assembler supports explicit relocations.])])
2643 gcc_GAS_CHECK_FEATURE([-no-mul-bug-abort option],
2644 gcc_cv_as_cris_no_mul_bug,[2,15,91],
2645 [-no-mul-bug-abort], [.text],,
2646 [AC_DEFINE(HAVE_AS_NO_MUL_BUG_ABORT_OPTION, 1,
2647 [Define if your assembler supports the -no-mul-bug-abort option.])])
2651 gcc_GAS_CHECK_FEATURE([.register], gcc_cv_as_sparc_register_op,,,
2652 [.register %g2, #scratch],,
2653 [AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1,
2654 [Define if your assembler supports .register.])])
2656 gcc_GAS_CHECK_FEATURE([-relax option], gcc_cv_as_sparc_relax,,
2658 [AC_DEFINE(HAVE_AS_RELAX_OPTION, 1,
2659 [Define if your assembler supports -relax option.])])
2661 gcc_GAS_CHECK_FEATURE([unaligned pcrel relocs],
2662 gcc_cv_as_sparc_ua_pcrel,,
2670 .uaword %r_disp32(foo)],
2671 [if test x$gcc_cv_ld != x \
2672 && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1; then
2673 gcc_cv_as_sparc_ua_pcrel=yes
2676 [AC_DEFINE(HAVE_AS_SPARC_UA_PCREL, 1,
2677 [Define if your assembler and linker support unaligned PC relative relocs.])
2679 gcc_GAS_CHECK_FEATURE([unaligned pcrel relocs against hidden symbols],
2680 gcc_cv_as_sparc_ua_pcrel_hidden,,
2685 .uaword %r_disp32(foo)
2686 .byte 0x32, 0x33, 0x34
2691 [if test x$gcc_cv_ld != x && test x$gcc_cv_objdump != x \
2692 && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1 \
2693 && $gcc_cv_objdump -s -j .data conftest 2> /dev/null \
2694 | grep ' 31000000 07323334' > /dev/null 2>&1; then
2695 if $gcc_cv_objdump -R conftest 2> /dev/null \
2696 | grep 'DISP32' > /dev/null 2>&1; then
2699 gcc_cv_as_sparc_ua_pcrel_hidden=yes
2703 [AC_DEFINE(HAVE_AS_SPARC_UA_PCREL_HIDDEN, 1,
2704 [Define if your assembler and linker support unaligned PC relative relocs against hidden symbols.])])
2705 ]) # unaligned pcrel relocs
2707 gcc_GAS_CHECK_FEATURE([offsetable %lo()],
2708 gcc_cv_as_sparc_offsetable_lo10,,
2711 or %g1, %lo(ab) + 12, %g1
2712 or %g1, %lo(ab + 12), %g1],
2713 [if test x$gcc_cv_objdump != x \
2714 && $gcc_cv_objdump -s -j .text conftest.o 2> /dev/null \
2715 | grep ' 82106000 82106000' > /dev/null 2>&1; then
2716 gcc_cv_as_sparc_offsetable_lo10=yes
2718 [AC_DEFINE(HAVE_AS_OFFSETABLE_LO10, 1,
2719 [Define if your assembler supports offsetable %lo().])])
2723 i[34567]86-*-* | x86_64-*-*)
2726 cygwin* | pe | mingw32*)
2727 # Used for DWARF 2 in PE
2728 gcc_GAS_CHECK_FEATURE([.secrel32 relocs],
2729 gcc_cv_as_ix86_pe_secrel32,
2735 [if test x$gcc_cv_ld != x \
2736 && $gcc_cv_ld -o conftest conftest.o > /dev/null 2>&1; then
2737 gcc_cv_as_ix86_pe_secrel32=yes
2740 [AC_DEFINE(HAVE_GAS_PE_SECREL32_RELOC, 1,
2741 [Define if your assembler and linker support 32-bit section relative relocs via '.secrel32 label'.])])
2745 gcc_GAS_CHECK_FEATURE([filds and fists mnemonics],
2746 gcc_cv_as_ix86_filds_fists,
2747 [2,9,0],, [filds mem; fists mem],,
2748 [AC_DEFINE(HAVE_GAS_FILDS_FISTS, 1,
2749 [Define if your assembler uses the new HImode fild and fist notation.])])
2751 gcc_GAS_CHECK_FEATURE([cmov syntax],
2752 gcc_cv_as_ix86_cmov_sun_syntax,,,
2753 [cmovl.l %edx, %eax],,
2754 [AC_DEFINE(HAVE_AS_IX86_CMOV_SUN_SYNTAX, 1,
2755 [Define if your assembler supports the Sun syntax for cmov.])])
2757 # This one is used unconditionally by i386.[ch]; it is to be defined
2758 # to 1 if the feature is present, 0 otherwise.
2759 gcc_GAS_CHECK_FEATURE([GOTOFF in data],
2760 gcc_cv_as_ix86_gotoff_in_data, [2,11,0],,
2766 AC_DEFINE_UNQUOTED(HAVE_AS_GOTOFF_IN_DATA,
2767 [`if test $gcc_cv_as_ix86_gotoff_in_data = yes; then echo 1; else echo 0; fi`],
2768 [Define true if the assembler supports '.long foo@GOTOFF'.])
2772 gcc_GAS_CHECK_FEATURE([ltoffx and ldxmov relocs],
2773 gcc_cv_as_ia64_ltoffx_ldxmov_relocs, [2,14,0],,
2775 addl r15 = @ltoffx(x#), gp
2777 ld8.mov r16 = [[r15]], x#],,
2778 [AC_DEFINE(HAVE_AS_LTOFFX_LDXMOV_RELOCS, 1,
2779 [Define if your assembler supports ltoffx and ldxmov relocations.])])
2785 *-*-aix*) conftest_s=' .machine "pwr5"
2789 gcc_GAS_CHECK_FEATURE([.machine directive support],
2790 gcc_cv_as_machine_directive,,,
2791 [ .machine ppc7400])
2792 if test x$gcc_cv_as_machine_directive != xyes; then
2793 echo "*** This target requires an assembler supporting \".machine\"" >&2
2794 echo you can get it from: ftp://gcc.gnu.org/pub/gcc/infrastructure/cctools-528.5.dmg >&2
2795 test x$build = x$target && exit 1
2799 *) conftest_s=' .machine power4
2804 gcc_GAS_CHECK_FEATURE([mfcr field support],
2805 gcc_cv_as_powerpc_mfcrf, [2,14,0],,
2807 [AC_DEFINE(HAVE_AS_MFCRF, 1,
2808 [Define if your assembler supports mfcr field.])])
2811 *-*-aix*) conftest_s=' .machine "pwr5"
2814 *) conftest_s=' .machine power5
2819 gcc_GAS_CHECK_FEATURE([popcntb support],
2820 gcc_cv_as_powerpc_popcntb, [2,17,0],,
2822 [AC_DEFINE(HAVE_AS_POPCNTB, 1,
2823 [Define if your assembler supports popcntb field.])])
2828 gcc_GAS_CHECK_FEATURE([explicit relocation support],
2829 gcc_cv_as_mips_explicit_relocs, [2,14,0],,
2830 [ lw $4,%gp_rel(foo)($4)],,
2831 [if test x$target_cpu_default = x
2832 then target_cpu_default=MASK_EXPLICIT_RELOCS
2833 else target_cpu_default="($target_cpu_default)|MASK_EXPLICIT_RELOCS"
2836 if test x$gas_flag = xyes \
2837 || test x"$host" != x"$build" \
2838 || test ! -x "$gcc_cv_as" \
2839 || "$gcc_cv_as" -v < /dev/null 2>&1 | grep GNU > /dev/null; then
2842 echo "*** This configuration requires the GNU assembler" >&2
2847 # ??? Not all targets support dwarf2 debug_line, even within a version
2848 # of gas. Moreover, we need to emit a valid instruction to trigger any
2849 # info to the output file. So, as supported targets are added to gas 2.11,
2850 # add some instruction here to (also) show we expect this might work.
2851 # ??? Once 2.11 is released, probably need to add first known working
2852 # version to the per-target configury.
2854 i?86*-*-* | mips*-*-* | alpha*-*-* | powerpc*-*-* | sparc*-*-* | m68*-*-* \
2855 | x86_64*-*-* | hppa*-*-* | arm*-*-* | strongarm*-*-* | xscale*-*-* \
2856 | xstormy16*-*-* | cris-*-* | xtensa-*-*)
2859 ia64*-*-* | s390*-*-*)
2866 if test x"$insn" != x; then
2868 .file 1 \"conftest.s\"
2871 gcc_GAS_CHECK_FEATURE([dwarf2 debug_line support],
2872 gcc_cv_as_dwarf2_debug_line,
2873 [elf,2,11,0],, [$conftest_s],
2874 [if test x$gcc_cv_objdump != x \
2875 && $gcc_cv_objdump -h conftest.o 2> /dev/null \
2876 | grep debug_line > /dev/null 2>&1; then
2877 gcc_cv_as_dwarf2_debug_line=yes
2880 # The .debug_line file table must be in the exact order that
2881 # we specified the files, since these indices are also used
2882 # by DW_AT_decl_file. Approximate this test by testing if
2883 # the assembler bitches if the same index is assigned twice.
2884 gcc_GAS_CHECK_FEATURE([buggy dwarf2 .file directive],
2885 gcc_cv_as_dwarf2_file_buggy,,,
2889 if test $gcc_cv_as_dwarf2_debug_line = yes \
2890 && test $gcc_cv_as_dwarf2_file_buggy = no; then
2891 AC_DEFINE(HAVE_AS_DWARF2_DEBUG_LINE, 1,
2892 [Define if your assembler supports dwarf2 .file/.loc directives,
2893 and preserves file table indices exactly as given.])
2896 gcc_GAS_CHECK_FEATURE([--gdwarf2 option],
2897 gcc_cv_as_gdwarf2_flag,
2898 [elf,2,11,0], [--gdwarf2], [$insn],,
2899 [AC_DEFINE(HAVE_AS_GDWARF2_DEBUG_FLAG, 1,
2900 [Define if your assembler supports the --gdwarf2 option.])])
2902 gcc_GAS_CHECK_FEATURE([--gstabs option],
2903 gcc_cv_as_gstabs_flag,
2904 [elf,2,11,0], [--gstabs], [$insn],
2905 [# The native Solaris 9/Intel assembler doesn't understand --gstabs
2906 # and warns about it, but still exits successfully. So check for
2908 if AC_TRY_COMMAND([$gcc_cv_as --gstabs -o conftest.o conftest.s 2>&1 | grep -i warning > /dev/null])
2910 else gcc_cv_as_gstabs_flag=yes
2912 [AC_DEFINE(HAVE_AS_GSTABS_DEBUG_FLAG, 1,
2913 [Define if your assembler supports the --gstabs option.])])
2916 AC_MSG_CHECKING(linker read-only and read-write section mixing)
2917 gcc_cv_ld_ro_rw_mix=unknown
2918 if test $in_tree_ld = yes ; then
2919 if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 10 -o "$gcc_cv_gld_major_version" -gt 2 \
2920 && test $in_tree_ld_is_elf = yes; then
2921 gcc_cv_ld_ro_rw_mix=read-write
2923 elif test x$gcc_cv_as != x -a x$gcc_cv_ld != x -a x$gcc_cv_objdump != x ; then
2924 echo '.section myfoosect, "a"' > conftest1.s
2925 echo '.section myfoosect, "aw"' > conftest2.s
2926 echo '.byte 1' >> conftest2.s
2927 echo '.section myfoosect, "a"' > conftest3.s
2928 echo '.byte 0' >> conftest3.s
2929 if $gcc_cv_as -o conftest1.o conftest1.s > /dev/null 2>&1 \
2930 && $gcc_cv_as -o conftest2.o conftest2.s > /dev/null 2>&1 \
2931 && $gcc_cv_as -o conftest3.o conftest3.s > /dev/null 2>&1 \
2932 && $gcc_cv_ld -shared -o conftest1.so conftest1.o \
2933 conftest2.o conftest3.o > /dev/null 2>&1; then
2934 gcc_cv_ld_ro_rw_mix=`$gcc_cv_objdump -h conftest1.so \
2935 | sed -e '/myfoosect/!d' -e N`
2936 if echo "$gcc_cv_ld_ro_rw_mix" | grep CONTENTS > /dev/null; then
2937 if echo "$gcc_cv_ld_ro_rw_mix" | grep READONLY > /dev/null; then
2938 gcc_cv_ld_ro_rw_mix=read-only
2940 gcc_cv_ld_ro_rw_mix=read-write
2945 rm -f conftest.* conftest[123].*
2948 if test x$gcc_cv_ld_ro_rw_mix = xread-write; then
2949 AC_DEFINE(HAVE_LD_RO_RW_SECTION_MIXING, 1,
2950 [Define if your linker links a mix of read-only
2951 and read-write sections into a read-write section.])
2953 AC_MSG_RESULT($gcc_cv_ld_ro_rw_mix)
2955 AC_MSG_CHECKING(linker PT_GNU_EH_FRAME support)
2956 gcc_cv_ld_eh_frame_hdr=no
2957 if test $in_tree_ld = yes ; then
2958 if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 12 -o "$gcc_cv_gld_major_version" -gt 2 \
2959 && test $in_tree_ld_is_elf = yes; then
2960 gcc_cv_ld_eh_frame_hdr=yes
2962 elif test x$gcc_cv_ld != x; then
2963 # Check if linker supports --eh-frame-hdr option
2964 if $gcc_cv_ld --help 2>/dev/null | grep eh-frame-hdr > /dev/null; then
2965 gcc_cv_ld_eh_frame_hdr=yes
2968 GCC_TARGET_TEMPLATE([HAVE_LD_EH_FRAME_HDR])
2969 if test x"$gcc_cv_ld_eh_frame_hdr" = xyes; then
2970 AC_DEFINE(HAVE_LD_EH_FRAME_HDR, 1,
2971 [Define if your linker supports --eh-frame-hdr option.])
2973 AC_MSG_RESULT($gcc_cv_ld_eh_frame_hdr)
2975 AC_MSG_CHECKING(linker position independent executable support)
2977 if test $in_tree_ld = yes ; then
2978 if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 15 -o "$gcc_cv_gld_major_version" -gt 2 \
2979 && test $in_tree_ld_is_elf = yes; then
2982 elif test x$gcc_cv_ld != x; then
2983 # Check if linker supports -pie option
2984 if $gcc_cv_ld --help 2>/dev/null | grep -- -pie > /dev/null; then
2988 if test x"$gcc_cv_ld_pie" = xyes; then
2989 AC_DEFINE(HAVE_LD_PIE, 1,
2990 [Define if your linker supports -pie option.])
2992 AC_MSG_RESULT($gcc_cv_ld_pie)
2998 AC_CACHE_CHECK(linker --as-needed support,
2999 gcc_cv_ld_as_needed,
3000 [gcc_cv_ld_as_needed=no
3001 if test $in_tree_ld = yes ; then
3002 if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 16 -o "$gcc_cv_gld_major_version" -gt 2 \
3003 && test $in_tree_ld_is_elf = yes; then
3004 gcc_cv_ld_as_needed=yes
3006 elif test x$gcc_cv_ld != x; then
3007 # Check if linker supports --as-needed and --no-as-needed options
3008 if $gcc_cv_ld --help 2>/dev/null | grep as-needed > /dev/null; then
3009 gcc_cv_ld_as_needed=yes
3013 if test x"$gcc_cv_ld_as_needed" = xyes; then
3014 AC_DEFINE(HAVE_LD_AS_NEEDED, 1,
3015 [Define if your linker supports --as-needed and --no-as-needed options.])
3019 powerpc64*-*-linux*)
3020 AC_CACHE_CHECK(linker support for omitting dot symbols,
3021 gcc_cv_ld_no_dot_syms,
3022 [gcc_cv_ld_no_dot_syms=no
3023 if test $in_tree_ld = yes ; then
3024 if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 16 -o "$gcc_cv_gld_major_version" -gt 2; then
3025 gcc_cv_ld_no_dot_syms=yes
3027 elif test x$gcc_cv_as != x -a x$gcc_cv_ld != x ; then
3028 cat > conftest1.s <<EOF
3032 cat > conftest2.s <<EOF
3033 .section ".opd","aw"
3038 .quad .LEfoo,.TOC.@tocbase,0
3044 if $gcc_cv_as -a64 -o conftest1.o conftest1.s > /dev/null 2>&1 \
3045 && $gcc_cv_as -a64 -o conftest2.o conftest2.s > /dev/null 2>&1 \
3046 && $gcc_cv_ld -melf64ppc -o conftest conftest1.o conftest2.o > /dev/null 2>&1; then
3047 gcc_cv_ld_no_dot_syms=yes
3049 rm -f conftest conftest1.o conftest2.o conftest1.s conftest2.s
3052 if test x"$gcc_cv_ld_no_dot_syms" = xyes; then
3053 AC_DEFINE(HAVE_LD_NO_DOT_SYMS, 1,
3054 [Define if your PowerPC64 linker only needs function descriptor syms.])
3059 AC_CACHE_CHECK(linker --sysroot support,
3061 [gcc_cv_ld_sysroot=no
3062 if test $in_tree_ld = yes ; then
3063 if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 16 -o "$gcc_cv_gld_major_version" -gt 2 ; then
3064 gcc_cv_ld_sysroot=yes
3066 elif test x$gcc_cv_ld != x; then
3067 if $gcc_cv_ld --help 2>/dev/null | grep sysroot > /dev/null; then
3068 gcc_cv_ld_sysroot=yes
3071 if test x"$gcc_cv_ld_sysroot" = xyes; then
3072 AC_DEFINE(HAVE_LD_SYSROOT, 1,
3073 [Define if your linker supports --sysroot.])
3076 if test x$with_sysroot = x && test x$host = x$target \
3077 && test "$prefix" != "/usr" && test "x$prefix" != "x$local_prefix" ; then
3078 AC_DEFINE_UNQUOTED(PREFIX_INCLUDE_DIR, "$prefix/include",
3079 [Define to PREFIX/include if cpp should also search that directory.])
3082 # Find out what GC implementation we want, or may, use.
3084 [ --with-gc={page,zone} choose the garbage collection mechanism to use
3092 AC_DEFINE(GGC_ZONE, 1, [Define if the zone collector is in use])
3095 AC_MSG_ERROR([$withval is an invalid option to --with-gc])
3100 echo "Using $GGC for garbage collection."
3102 # Use the system's zlib library.
3104 zlibinc="-I\$(srcdir)/../zlib"
3105 AC_ARG_WITH(system-zlib,
3106 [ --with-system-zlib use installed libz],
3113 dnl Very limited version of automake's enable-maintainer-mode
3115 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3116 dnl maintainer-mode is disabled by default
3117 AC_ARG_ENABLE(maintainer-mode,
3118 [ --enable-maintainer-mode
3119 enable make rules and dependencies not useful
3120 (and sometimes confusing) to the casual installer],
3121 maintainer_mode=$enableval,
3124 AC_MSG_RESULT($maintainer_mode)
3126 if test "$maintainer_mode" = "yes"; then
3137 # Make empty files to contain the specs and options for each language.
3138 # Then add #include lines to for a compiler that has specs and/or options.
3143 for subdir in . $subdirs
3145 if test -f $srcdir/$subdir/lang.opt; then
3146 lang_opt_files="$lang_opt_files $srcdir/$subdir/lang.opt"
3148 if test -f $srcdir/$subdir/lang-specs.h; then
3149 lang_specs_files="$lang_specs_files $srcdir/$subdir/lang-specs.h"
3151 if test -f $srcdir/$subdir/$subdir-tree.def; then
3152 lang_tree_files="$lang_tree_files $srcdir/$subdir/$subdir-tree.def"
3156 # These (without "all_") are set in each config-lang.in.
3157 # `language' must be a single word so is spelled singularly.
3162 all_outputs='Makefile gccbug mklibgcc libada-mk'
3163 # List of language makefile fragments.
3165 # List of language subdirectory makefiles. Deprecated.
3167 # Files for gengtype
3168 all_gtfiles="$target_gtfiles"
3169 # Files for gengtype with language
3170 all_gtfiles_files_langs=
3171 all_gtfiles_files_files=
3173 # Add the language fragments.
3174 # Languages are added via two mechanisms. Some information must be
3175 # recorded in makefile variables, these are defined in config-lang.in.
3176 # We accumulate them and plug them into the main Makefile.
3177 # The other mechanism is a set of hooks for each of the main targets
3178 # like `clean', `install', etc.
3180 language_hooks="Make-hooks"
3190 . ${srcdir}/$s/config-lang.in
3191 if test "x$language" = x
3193 echo "${srcdir}/$s/config-lang.in doesn't set \$language." 1>&2
3196 all_lang_makefrags="$all_lang_makefrags \$(srcdir)/$s/Make-lang.in"
3197 if test -f ${srcdir}/$s/Makefile.in
3198 then all_lang_makefiles="$s/Makefile"
3200 all_languages="$all_languages $language"
3201 if test "x$boot_language" = xyes
3203 all_boot_languages="$all_boot_languages $language"
3205 all_compilers="$all_compilers $compilers"
3206 all_stagestuff="$all_stagestuff $stagestuff"
3207 all_outputs="$all_outputs $outputs"
3208 all_gtfiles="$all_gtfiles $gtfiles"
3211 all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} "
3212 all_gtfiles_files_files="$all_gtfiles_files_files ${f} "
3216 # Pick up gtfiles for c
3219 . ${srcdir}/c-config-lang.in
3220 all_gtfiles="$all_gtfiles $gtfiles"
3223 all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} "
3224 all_gtfiles_files_files="$all_gtfiles_files_files ${f} "
3228 for language in $all_languages
3230 check_languages="$check_languages check-$language"
3233 # We link each language in with a set of hooks, reached indirectly via
3238 target_list="all.build all.cross start.encap rest.encap tags \
3239 install-normal install-common install-man \
3240 uninstall info man srcextra srcman srcinfo \
3241 mostlyclean clean distclean maintainer-clean \
3242 stage1 stage2 stage3 stage4 stageprofile stagefeedback"
3243 for t in $target_list
3246 for lang in $all_languages
3250 echo "lang.$t: $x" >> Make-hooks
3259 echo "dir ." > .gdbinit
3260 echo "dir ${srcdir}" >> .gdbinit
3261 if test x$gdb_needs_out_file_path = xyes
3263 echo "dir ${srcdir}/config/"`dirname ${out_file}` >> .gdbinit
3265 if test "x$subdirs" != x; then
3268 echo "dir ${srcdir}/$s" >> .gdbinit
3271 echo "source ${srcdir}/gdbinit.in" >> .gdbinit
3273 # If $(exec_prefix) exists and is not the same as $(prefix), then compute an
3274 # absolute path for gcc_tooldir based on inserting the number of up-directory
3275 # movements required to get from $(exec_prefix) to $(prefix) into the basic
3276 # $(libsubdir)/@(unlibsubdir) based path.
3277 # Don't set gcc_tooldir to tooldir since that's only passed in by the toplevel
3278 # make and thus we'd get different behavior depending on where we built the
3280 if test x$exec_prefix = xNONE -o x$exec_prefix = x$prefix; then
3281 gcc_tooldir='$(libsubdir)/$(unlibsubdir)/../$(target_noncanonical)'
3283 changequote(<<, >>)dnl
3284 # An explanation of the sed strings:
3285 # -e 's|^\$(prefix)||' matches and eliminates 'prefix' from 'exec_prefix'
3286 # -e 's|/$||' match a trailing forward slash and eliminates it
3287 # -e 's|^[^/]|/|' forces the string to start with a forward slash (*)
3288 # -e 's|/[^/]*|../|g' replaces each occurrence of /<directory> with ../
3290 # (*) Note this pattern overwrites the first character of the string
3291 # with a forward slash if one is not already present. This is not a
3292 # problem because the exact names of the sub-directories concerned is
3293 # unimportant, just the number of them matters.
3295 # The practical upshot of these patterns is like this:
3297 # prefix exec_prefix result
3298 # ------ ----------- ------
3300 # /foo/ /foo/bar ../
3301 # /foo /foo/bar/ ../
3302 # /foo/ /foo/bar/ ../
3303 # /foo /foo/bar/ugg ../../
3306 gcc_tooldir="\$(libsubdir)/\$(unlibsubdir)/\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/\$(dollar)||' -e 's|^[^/]|/|' -e 's|/[^/]*|../|g'\`\$(target_noncanonical)"
3307 changequote([, ])dnl
3309 AC_SUBST(gcc_tooldir)
3312 # Find a directory in which to install a shared libgcc.
3314 AC_ARG_ENABLE(version-specific-runtime-libs,
3315 [ --enable-version-specific-runtime-libs
3316 specify that runtime libraries should be
3317 installed in a compiler-specific directory])
3319 AC_ARG_WITH(slibdir,
3320 [ --with-slibdir=DIR shared libraries in DIR [LIBDIR]],
3321 slibdir="$with_slibdir",
3322 if test "${enable_version_specific_runtime_libs+set}" = set; then
3323 slibdir='$(libsubdir)'
3324 elif test "$host" != "$target"; then
3325 slibdir='$(build_tooldir)/lib'
3331 objdir=`${PWDCMD-pwd}`
3334 # Substitute configuration variables
3337 AC_SUBST(all_boot_languages)
3338 AC_SUBST(all_compilers)
3339 AC_SUBST(all_gtfiles)
3340 AC_SUBST(all_gtfiles_files_langs)
3341 AC_SUBST(all_gtfiles_files_files)
3342 AC_SUBST(all_lang_makefrags)
3343 AC_SUBST(all_lang_makefiles)
3344 AC_SUBST(all_languages)
3345 AC_SUBST(all_stagestuff)
3346 AC_SUBST(build_exeext)
3347 AC_SUBST(build_install_headers_dir)
3348 AC_SUBST(build_xm_file_list)
3349 AC_SUBST(build_xm_include_list)
3350 AC_SUBST(build_xm_defines)
3351 AC_SUBST(check_languages)
3352 AC_SUBST(cc_set_by_configure)
3353 AC_SUBST(quoted_cc_set_by_configure)
3354 AC_SUBST(cpp_install_dir)
3355 AC_SUBST(xmake_file)
3356 AC_SUBST(tmake_file)
3357 AC_SUBST(extra_gcc_objs)
3358 AC_SUBST(extra_headers_list)
3359 AC_SUBST(extra_objs)
3360 AC_SUBST(extra_parts)
3361 AC_SUBST(extra_passes)
3362 AC_SUBST(extra_programs)
3363 AC_SUBST(float_h_file)
3364 AC_SUBST(gcc_config_arguments)
3365 AC_SUBST(gcc_gxx_include_dir)
3366 AC_SUBST(libstdcxx_incdir)
3367 AC_SUBST(host_exeext)
3368 AC_SUBST(host_xm_file_list)
3369 AC_SUBST(host_xm_include_list)
3370 AC_SUBST(host_xm_defines)
3371 AC_SUBST(out_host_hook_obj)
3373 AC_SUBST(lang_opt_files)
3374 AC_SUBST(lang_specs_files)
3375 AC_SUBST(lang_tree_files)
3376 AC_SUBST(local_prefix)
3378 AC_SUBST(objc_boehm_gc)
3380 AC_SUBST(out_object_file)
3381 AC_SUBST(stage_prefix_set_by_configure)
3382 AC_SUBST(quoted_stage_prefix_set_by_configure)
3383 AC_SUBST(thread_file)
3384 AC_SUBST(tm_file_list)
3385 AC_SUBST(tm_include_list)
3386 AC_SUBST(tm_defines)
3387 AC_SUBST(tm_p_file_list)
3388 AC_SUBST(tm_p_include_list)
3389 AC_SUBST(xm_file_list)
3390 AC_SUBST(xm_include_list)
3391 AC_SUBST(xm_defines)
3392 AC_SUBST(c_target_objs)
3393 AC_SUBST(cxx_target_objs)
3394 AC_SUBST(target_cpu_default)
3396 AC_SUBST_FILE(language_hooks)
3399 if test x${build} = x${host} ; then
3400 if test x${host} = x${target} ; then
3401 echo "Links are now set up to build a native compiler for ${target}." 1>&2
3403 echo "Links are now set up to build a cross-compiler" 1>&2
3404 echo " from ${host} to ${target}." 1>&2
3407 if test x${host} = x${target} ; then
3408 echo "Links are now set up to build (on ${build}) a native compiler" 1>&2
3409 echo " for ${target}." 1>&2
3411 echo "Links are now set up to build (on ${build}) a cross-compiler" 1>&2
3412 echo " from ${host} to ${target}." 1>&2
3416 AC_ARG_VAR(GMPLIBS,[How to link GMP])
3417 AC_ARG_VAR(GMPINC,[How to find GMP include files])
3419 # Configure the subdirectories
3420 # AC_CONFIG_SUBDIRS($subdirs)
3422 # Create the Makefile
3423 # and configure language subdirectories
3424 AC_CONFIG_FILES($all_outputs)
3426 AC_CONFIG_COMMANDS([default],
3428 case ${CONFIG_HEADERS} in
3429 *auto-host.h:config.in*)
3432 # Make sure all the subdirs exist.
3433 for d in $subdirs doc build
3435 test -d $d || mkdir $d
3437 # If the host supports symlinks, point stage[1234] at ../stage[1234] so
3438 # bootstrapping and the installation procedure can still use
3439 # CC="stage1/xgcc -Bstage1/". If the host doesn't support symlinks,
3440 # FLAGS_TO_PASS has been modified to solve the problem there.
3441 # This is virtually a duplicate of what happens in configure.lang; we do
3442 # an extra check to make sure this only happens if ln -s can be used.
3445 for d in ${subdirs} ; do
3446 STARTDIR=`${PWDCMD-pwd}`
3448 for t in stage1 stage2 stage3 stage4 stageprofile stagefeedback include
3451 $LN_S ../$t $t 2>/dev/null
3458 [subdirs='$subdirs'])