1 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
2 # 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012,
3 # 2014, 2015, 2016, 2019 Free Software Foundation, Inc.
5 # This file is free software; you can redistribute it and/or modify it
6 # under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; either version 3 of the License, or
8 # (at your option) any later version.
10 # This program is distributed in the hope that it will be useful, but
11 # WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 # General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program; see the file COPYING3. If not see
17 # <http://www.gnu.org/licenses/>.
19 ##############################################################################
20 ### WARNING: this file contains embedded tabs. Do not run untabify on this file.
22 m4_include(config/acx.m4)
23 m4_include(config/override.m4)
24 m4_include(config/proginstall.m4)
25 m4_include(config/elf.m4)
26 m4_include([libtool.m4])
27 m4_include([ltoptions.m4])
28 m4_include([ltsugar.m4])
29 m4_include([ltversion.m4])
30 m4_include([lt~obsolete.m4])
31 m4_include([config/isl.m4])
33 AC_INIT(move-if-change)
34 AC_DISABLE_OPTION_CHECKING
37 # if PWD already has a value, it is probably wrong.
38 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
40 # Export original configure arguments for use by sub-configures.
41 # Quote arguments with shell meta charatcers.
42 TOPLEVEL_CONFIGURE_ARGUMENTS=
43 set -- "$progname" "$@"
47 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
48 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
49 # if the argument is of the form -foo=baz, quote the baz part only
50 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
53 # Add the quoted argument to the list.
54 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
56 if test "$silent" = yes; then
57 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
59 # Remove the initial space we just introduced and, as these will be
60 # expanded by make, quote '$'.
61 TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
62 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
64 # Find the build, host, and target systems.
65 ACX_NONCANONICAL_BUILD
67 ACX_NONCANONICAL_TARGET
69 dnl Autoconf 2.5x and later will set a default program prefix if
70 dnl --target was used, even if it was the same as --host. Disable
71 dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
73 test "$host_noncanonical" = "$target_noncanonical" &&
74 test "$program_prefix$program_suffix$program_transform_name" = \
76 program_transform_name=s,y,y,
81 m4_pattern_allow([^AS_FOR_TARGET$])dnl
82 m4_pattern_allow([^AS_FOR_BUILD$])dnl
84 # Get 'install' or 'install-sh' and its variants.
91 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
93 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
95 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
96 INSTALL="${srcpwd}/install-sh -c"
99 # Set srcdir to "." if that's what it is.
100 # This is important for multilib support.
102 if test "${pwd}" = "${srcpwd}" ; then
110 ### To add a new directory to the tree, first choose whether it is a target
111 ### or a host dependent tool. Then put it into the appropriate list
112 ### (library or tools, host or target), doing a dependency sort.
114 # Subdirs will be configured in the order listed in build_configdirs,
115 # configdirs, or target_configdirs; see the serialization section below.
117 # Dependency sorting is only needed when *configuration* must be done in
118 # a particular order. In all cases a dependency should be specified in
119 # the Makefile, whether or not it's implicitly specified here.
121 # Double entries in build_configdirs, configdirs, or target_configdirs may
122 # cause circular dependencies and break everything horribly.
124 # these library is used by various programs built for the build
127 build_libs="build-libiberty build-libcpp"
129 # these tools are built for the build environment
130 build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes"
132 # these libraries are used by various programs built for the host environment
134 host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl libelf libiconv libctf"
136 # these tools are built for the host environment
137 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
138 # know that we are building the simulator.
139 # binutils, gas and ld appear in that order because it makes sense to run
140 # "make check" in that particular order.
141 # If --enable-gold is used, "gold" may replace "ld".
142 host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gprof etc expect dejagnu m4 utils guile fastjar gnattools libcc1 gotools"
144 # these libraries are built for the target environment, and are built after
145 # the host libraries and the host tools (which may be a cross compiler)
146 # Note that libiberty is not a target library.
147 target_libraries="target-libgcc \
148 target-libbacktrace \
152 target-liboffloadmic \
156 target-libstdc++-v3 \
157 target-libsanitizer \
167 # these tools are built using the target libraries, and are intended to
168 # run only in the target environment
170 # note: any program that *uses* libraries that are in the "target_libraries"
171 # list belongs in this list.
173 target_tools="target-rda"
175 ################################################################################
177 ## All tools belong in one of the four categories, and are assigned above
178 ## We assign ${configdirs} this way to remove all embedded newlines. This
179 ## is important because configure will choke if they ever get through.
180 ## ${configdirs} is directories we build using the host tools.
181 ## ${target_configdirs} is directories we build using the target tools.
182 configdirs=`echo ${host_libs} ${host_tools}`
183 target_configdirs=`echo ${target_libraries} ${target_tools}`
184 build_configdirs=`echo ${build_libs} ${build_tools}`
186 m4_divert_text([PARSE_ARGS],
189 m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
190 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
191 m4_popdef([AS_MESSAGE_LOG_FD])dnl
194 ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
197 ################################################################################
199 srcname="gnu development package"
201 # This gets set non-empty for some net releases of packages.
204 # Define is_cross_compiler to save on calls to 'test'.
206 if test x"${host}" = x"${target}" ; then
209 is_cross_compiler=yes
212 # Find the build and target subdir names.
214 # Be sure to cover against remnants of an in-tree build.
215 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
216 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
217 Use a pristine source tree when building in a separate tree])
220 # Skipdirs are removed silently.
222 # Noconfigdirs are removed loudly.
226 # Make sure we don't let GNU ld be added if we didn't want it.
227 if test x$with_gnu_ld = xno ; then
229 noconfigdirs="$noconfigdirs ld gold"
233 # Make sure we don't let GNU as be added if we didn't want it.
234 if test x$with_gnu_as = xno ; then
236 noconfigdirs="$noconfigdirs gas"
240 AC_ARG_WITH(system-zlib,
241 [AS_HELP_STRING([--with-system-zlib], [use installed libz])])
242 # Make sure we don't let ZLIB be added if we didn't want it.
243 if test x$with_system_zlib = xyes ; then
245 noconfigdirs="$noconfigdirs zlib"
248 # Don't compile the bundled readline/libreadline.a if --with-system-readline
250 if test x$with_system_readline = xyes ; then
251 noconfigdirs="$noconfigdirs readline"
254 # some tools are so dependent upon X11 that if we're not building with X,
255 # it's not even worth trying to configure, much less build, that tool.
258 yes | "") ;; # the default value for this tree is that X11 is available
260 skipdirs="${skipdirs} tk itcl libgui"
261 # We won't be able to build gdbtk without X.
264 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
267 # Some are only suitable for cross toolchains.
268 # Remove these if host=target.
269 cross_only="target-libgloss target-newlib target-opcodes"
271 case $is_cross_compiler in
272 no) skipdirs="${skipdirs} ${cross_only}" ;;
275 # If both --with-headers and --with-libs are specified, default to
277 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
278 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
279 if test x"${with_newlib}" = x ; then
284 # Recognize --with-newlib/--without-newlib.
285 case ${with_newlib} in
286 no) skipdirs="${skipdirs} target-newlib" ;;
287 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
290 AC_ARG_ENABLE(as-accelerator-for,
291 [AS_HELP_STRING([--enable-as-accelerator-for=ARG],
292 [build as offload target compiler.
293 Specify offload host triple by ARG])])
295 AC_ARG_ENABLE(offload-targets,
296 [AS_HELP_STRING([--enable-offload-targets=LIST],
297 [enable offloading to devices from comma-separated LIST of
298 TARGET[=DIR]. Use optional path to find offload target compiler
301 if test x"$enable_offload_targets" = x; then
302 AC_MSG_ERROR([no offload targets specified])
304 ], [enable_offload_targets=])
306 # Handle --enable-gold, --enable-ld.
307 # --disable-gold [--enable-ld]
308 # Build only ld. Default option.
309 # --enable-gold [--enable-ld]
310 # Build both gold and ld. Install gold as "ld.gold", install ld
311 # as "ld.bfd" and "ld".
312 # --enable-gold=default [--enable-ld]
313 # Build both gold and ld. Install gold as "ld.gold" and "ld",
314 # install ld as "ld.bfd".
315 # --enable-gold[=default] --disable-ld
316 # Build only gold, which is then installed as both "ld.gold" and "ld".
317 # --enable-gold --enable-ld=default
318 # Build both gold (installed as "ld.gold") and ld (installed as "ld"
320 # In other words, ld is default
321 # --enable-gold=default --enable-ld=default
326 [AS_HELP_STRING([[--enable-gold[=ARG]]],
327 [build gold @<:@ARG={default,yes,no}@:>@])],
328 ENABLE_GOLD=$enableval,
330 case "${ENABLE_GOLD}" in
332 # Check for ELF target.
335 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
336 | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
337 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
338 | *-*-solaris2* | *-*-nto* | *-*-nacl*)
340 *-*-linux*aout* | *-*-linux*oldld*)
348 if test "$is_elf" = "yes"; then
349 # Check for target supported by gold.
351 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \
352 | aarch64*-*-* | tilegx*-*-* | mips*-*-* | s390*-*-*)
353 configdirs="$configdirs gold"
354 if test x${ENABLE_GOLD} = xdefault; then
365 AC_MSG_ERROR([invalid --enable-gold argument])
370 [AS_HELP_STRING([[--enable-ld[=ARG]]],
371 [build ld @<:@ARG={default,yes,no}@:>@])],
372 ENABLE_LD=$enableval,
375 case "${ENABLE_LD}" in
377 if test x${default_ld} != x; then
378 AC_MSG_ERROR([either gold or ld can be the default ld])
384 if test x${ENABLE_GOLD} != xyes; then
385 AC_MSG_WARN([neither ld nor gold are enabled])
387 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
390 AC_MSG_ERROR([invalid --enable-ld argument])
395 # Decide the default method for compressing debug sections.
396 # Provide a configure time option to override our default.
397 AC_ARG_ENABLE(compressed_debug_sections,
398 [AS_HELP_STRING([--enable-compressed-debug-sections={all,gas,gold,ld,none}],
399 [Enable compressed debug sections for gas, gold or ld by
402 if test x"$enable_compressed_debug_sections" = xyes; then
403 AC_MSG_ERROR([no program with compressed debug sections specified])
405 ], [enable_compressed_debug_sections=])
407 # Configure extra directories which are host specific
411 configdirs="$configdirs libtermcap" ;;
414 # A target can indicate whether a language isn't supported for some reason.
415 # Only spaces may be used in this macro; not newlines or tabs.
416 unsupported_languages=
418 # Remove more programs from consideration, based on the host or
419 # target this usually means that a port of the program doesn't
423 i[[3456789]]86-*-msdosdjgpp*)
424 noconfigdirs="$noconfigdirs tcl tk itcl"
429 AC_ARG_ENABLE(libquadmath,
430 AS_HELP_STRING([--disable-libquadmath],
431 [do not build libquadmath directory]),
432 ENABLE_LIBQUADMATH=$enableval,
433 ENABLE_LIBQUADMATH=yes)
434 if test "${ENABLE_LIBQUADMATH}" = "no" ; then
435 noconfigdirs="$noconfigdirs target-libquadmath"
439 AC_ARG_ENABLE(libquadmath-support,
440 AS_HELP_STRING([--disable-libquadmath-support],
441 [disable libquadmath support for Fortran]),
442 ENABLE_LIBQUADMATH_SUPPORT=$enableval,
443 ENABLE_LIBQUADMATH_SUPPORT=yes)
444 enable_libquadmath_support=
445 if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
446 enable_libquadmath_support=no
450 AC_ARG_ENABLE(libada,
451 [AS_HELP_STRING([--enable-libada], [build libada directory])],
452 ENABLE_LIBADA=$enableval,
454 if test "${ENABLE_LIBADA}" != "yes" ; then
455 noconfigdirs="$noconfigdirs gnattools"
458 AC_ARG_ENABLE(libssp,
459 [AS_HELP_STRING([--enable-libssp], [build libssp directory])],
460 ENABLE_LIBSSP=$enableval,
463 AC_ARG_ENABLE(libstdcxx,
464 AS_HELP_STRING([--disable-libstdcxx],
465 [do not build libstdc++-v3 directory]),
466 ENABLE_LIBSTDCXX=$enableval,
467 ENABLE_LIBSTDCXX=default)
468 [if test "${ENABLE_LIBSTDCXX}" = "no" ; then
469 noconfigdirs="$noconfigdirs target-libstdc++-v3"
472 # If this is accelerator compiler and its target is intelmic we enable
473 # target liboffloadmic by default. If this is compiler with offloading
474 # for intelmic we enable host liboffloadmic by default. Otherwise
475 # liboffloadmic is disabled by default.
476 AC_ARG_ENABLE([liboffloadmic],
477 AC_HELP_STRING([[--enable-liboffloadmic[=ARG]]],
478 [build liboffloadmic @<:@ARG={no,host,target}@:>@]),
479 [case "$enableval" in
481 enable_liboffloadmic=$enableval ;;
483 AC_MSG_ERROR([--enable-liboffloadmic=no/host/target]) ;;
485 [if test x"$enable_as_accelerator_for" != x; then
487 *-intelmic-* | *-intelmicemul-*)
488 enable_liboffloadmic=target
489 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=target"
492 enable_liboffloadmic=no
496 case "${enable_offload_targets}" in
497 *-intelmic-* | *-intelmicemul-*)
498 enable_liboffloadmic=host
499 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=host"
502 enable_liboffloadmic=no
506 AC_SUBST(extra_liboffloadmic_configure_flags)
508 # Enable libgomp by default on hosted POSIX systems, and a few others.
509 if test x$enable_libgomp = x ; then
511 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
513 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
515 *-*-solaris2* | *-*-hpux11*)
517 *-*-darwin* | *-*-aix*)
522 noconfigdirs="$noconfigdirs target-libgomp"
527 # Disable libatomic on unsupported systems.
528 if test -d ${srcdir}/libatomic; then
529 if test x$enable_libatomic = x; then
530 AC_MSG_CHECKING([for libatomic support])
531 if (srcdir=${srcdir}/libatomic; \
532 . ${srcdir}/configure.tgt; \
533 test -n "$UNSUPPORTED")
536 noconfigdirs="$noconfigdirs target-libatomic"
543 # Disable liboffloadmic on unsupported systems.
544 if test -d ${srcdir}/liboffloadmic; then
545 if test x$enable_liboffloadmic != xno; then
546 AC_MSG_CHECKING([for liboffloadmic support])
547 if (srcdir=${srcdir}/liboffloadmic; \
548 . ${srcdir}/configure.tgt; \
549 test -n "$UNSUPPORTED")
552 noconfigdirs="$noconfigdirs target-liboffloadmic"
559 # Disable libitm on unsupported systems.
560 if test -d ${srcdir}/libitm; then
561 if test x$enable_libitm = x; then
562 AC_MSG_CHECKING([for libitm support])
563 if (srcdir=${srcdir}/libitm; \
564 . ${srcdir}/configure.tgt; \
565 test -n "$UNSUPPORTED")
568 noconfigdirs="$noconfigdirs target-libitm"
575 # Disable libsanitizer on unsupported systems.
576 if test -d ${srcdir}/libsanitizer; then
577 if test x$enable_libsanitizer = x; then
578 AC_MSG_CHECKING([for libsanitizer support])
579 if (srcdir=${srcdir}/libsanitizer; \
580 . ${srcdir}/configure.tgt; \
581 test -n "$UNSUPPORTED")
584 noconfigdirs="$noconfigdirs target-libsanitizer"
591 # Disable libvtv on unsupported systems.
592 if test -d ${srcdir}/libvtv; then
593 if test x$enable_libvtv = x; then
594 AC_MSG_CHECKING([for libvtv support])
595 if (srcdir=${srcdir}/libvtv; \
596 . ${srcdir}/configure.tgt; \
597 test "$VTV_SUPPORTED" != "yes")
600 noconfigdirs="$noconfigdirs target-libvtv"
608 # Disable libhsail-rt on unsupported systems.
609 if test -d ${srcdir}/libhsail-rt; then
610 if test x$enable_libhsail_rt = x; then
611 AC_MSG_CHECKING([for libhsail-rt support])
612 if (srcdir=${srcdir}/libhsail-rt; \
613 . ${srcdir}/configure.tgt; \
614 test -n "$UNSUPPORTED")
617 unsupported_languages="$unsupported_languages brig"
618 # This implicitly disables also target-libhsail-rt as it won't
619 # get added to the build without BRIG FE.
627 # Disable libquadmath for some systems.
630 noconfigdirs="$noconfigdirs target-libquadmath"
632 # libquadmath is unused on AIX and libquadmath build process use of
633 # LD_LIBRARY_PATH can break AIX bootstrap.
634 powerpc-*-aix* | rs6000-*-aix*)
635 noconfigdirs="$noconfigdirs target-libquadmath"
639 # Disable libssp for some systems.
642 # No hosted I/O support.
643 noconfigdirs="$noconfigdirs target-libssp"
645 powerpc-*-aix* | rs6000-*-aix*)
646 noconfigdirs="$noconfigdirs target-libssp"
649 # libssp uses a misaligned load to trigger a fault, but the RL78
650 # doesn't fault for those - instead, it gives a build-time error
651 # for explicit misaligned loads.
652 noconfigdirs="$noconfigdirs target-libssp"
655 # No hosted I/O support.
656 noconfigdirs="$noconfigdirs target-libssp"
660 # Disable libstdc++-v3 for some systems.
661 # Allow user to override this if they pass --enable-libstdc++-v3
662 if test "${ENABLE_LIBSTDCXX}" = "default" ; then
665 # VxWorks uses the Dinkumware C++ library.
666 noconfigdirs="$noconfigdirs target-libstdc++-v3"
669 # the C++ libraries don't build on top of CE's C libraries
670 noconfigdirs="$noconfigdirs target-libstdc++-v3"
673 noconfigdirs="$noconfigdirs target-libstdc++-v3"
676 noconfigdirs="$noconfigdirs target-libstdc++-v3"
681 # Disable Fortran for some systems.
684 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
685 unsupported_languages="$unsupported_languages fortran"
689 # Disable libffi for some systems.
693 i[[3456789]]86-*-darwin*)
695 x86_64-*-darwin[[912]]*)
698 noconfigdirs="$noconfigdirs target-libffi"
701 noconfigdirs="$noconfigdirs target-libffi"
704 noconfigdirs="$noconfigdirs target-libffi"
707 noconfigdirs="$noconfigdirs target-libffi"
710 noconfigdirs="$noconfigdirs target-libffi"
713 noconfigdirs="$noconfigdirs target-libffi"
716 noconfigdirs="$noconfigdirs target-libffi"
719 noconfigdirs="$noconfigdirs target-libffi"
722 noconfigdirs="$noconfigdirs target-libffi"
725 noconfigdirs="$noconfigdirs target-libffi"
728 noconfigdirs="$noconfigdirs target-libffi"
731 noconfigdirs="$noconfigdirs target-libffi"
733 cris-*-* | crisv32-*-*)
737 *) # See PR46792 regarding target-libffi.
738 noconfigdirs="$noconfigdirs target-libffi";;
742 noconfigdirs="$noconfigdirs target-libffi"
747 noconfigdirs="$noconfigdirs target-libffi"
750 noconfigdirs="$noconfigdirs target-libffi"
752 i[[3456789]]86-w64-mingw*)
753 noconfigdirs="$noconfigdirs target-libffi"
755 i[[3456789]]86-*-mingw*)
756 noconfigdirs="$noconfigdirs target-libffi"
759 noconfigdirs="$noconfigdirs target-libffi"
762 noconfigdirs="$noconfigdirs target-libffi"
769 noconfigdirs="$noconfigdirs target-libffi"
772 noconfigdirs="$noconfigdirs target-libffi"
776 # Disable the go frontend on systems where it is known to not work. Please keep
777 # this in sync with contrib/config-list.mk.
779 *-*-darwin* | *-*-cygwin* | *-*-mingw*)
780 unsupported_languages="$unsupported_languages go"
784 # Disable libgo for some systems where it is known to not work.
785 # For testing, you can easily override this with --enable-libgo.
786 if test x$enable_libgo = x; then
790 noconfigdirs="$noconfigdirs target-libgo"
792 *-*-cygwin* | *-*-mingw*)
793 noconfigdirs="$noconfigdirs target-libgo"
798 # Default libgloss CPU subdirectory.
799 libgloss_dir="$target_cpu"
802 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
811 cris-*-* | crisv32-*-*)
820 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
837 # Disable newlib and libgloss for various target OSes.
840 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
842 i[[3456789]]86-*-linux*)
843 # This section makes it possible to build newlib natively on linux.
844 # If we are using a cross compiler then don't configure newlib.
845 if test x${is_cross_compiler} != xno ; then
846 noconfigdirs="$noconfigdirs target-newlib"
848 noconfigdirs="$noconfigdirs target-libgloss"
849 # If we are not using a cross compiler, do configure newlib.
850 # Note however, that newlib will only be configured in this situation
851 # if the --with-newlib option has been given, because otherwise
852 # 'target-newlib' will appear in skipdirs.
854 i[[3456789]]86-*-rdos*)
855 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
857 sh*-*-pe|mips*-*-pe|arm-wince-pe)
858 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
861 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
864 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
867 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
870 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
873 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
876 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
878 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
879 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
882 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
885 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
888 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
891 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
894 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
897 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
900 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
908 noconfigdirs="$noconfigdirs ld gas gdb gprof"
909 noconfigdirs="$noconfigdirs sim target-rda"
912 noconfigdirs="$noconfigdirs ld gas gdb gprof"
913 noconfigdirs="$noconfigdirs sim target-rda"
916 noconfigdirs="$noconfigdirs ld gas gdb gprof"
917 noconfigdirs="$noconfigdirs sim target-rda"
919 i[[3456789]]86-*-darwin*)
920 noconfigdirs="$noconfigdirs ld gprof"
921 noconfigdirs="$noconfigdirs sim target-rda"
923 x86_64-*-darwin[[912]]*)
924 noconfigdirs="$noconfigdirs ld gas gprof"
925 noconfigdirs="$noconfigdirs sim target-rda"
928 noconfigdirs="$noconfigdirs ld gas gdb gprof"
929 noconfigdirs="$noconfigdirs sim target-rda"
934 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
935 && test -f /usr/local/include/gmp.h; then
940 # Remove unsupported stuff on all kaOS configurations.
941 noconfigdirs="$noconfigdirs target-libgloss"
948 noconfigdirs="$noconfigdirs target-libgloss"
951 noconfigdirs="$noconfigdirs target-libgloss"
953 # The tpf target doesn't support gdb yet.
955 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
958 noconfigdirs="$noconfigdirs target-rda"
963 # ld works, but does not support shared libraries.
964 # gas doesn't generate exception information.
965 noconfigdirs="$noconfigdirs gas ld"
968 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
971 # newlib is not 64 bit ready
972 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
974 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
975 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
978 noconfigdirs="$noconfigdirs sim"
981 noconfigdirs="$noconfigdirs target-libgloss"
984 noconfigdirs="$noconfigdirs ld target-libgloss"
987 if test x${with_avrlibc} != xno; then
988 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
992 noconfigdirs="$noconfigdirs target-libgloss"
995 noconfigdirs="$noconfigdirs target-libgloss gdb"
998 noconfigdirs="$noconfigdirs target-libgloss"
1001 noconfigdirs="$noconfigdirs gdb"
1004 noconfigdirs="$noconfigdirs gdb"
1007 noconfigdirs="$noconfigdirs target-rda gprof"
1010 noconfigdirs="$noconfigdirs"
1013 noconfigdirs="$noconfigdirs target-libgloss"
1016 noconfigdirs="$noconfigdirs target-libgloss"
1018 hppa1.1-*-osf* | hppa1.1-*-bsd* )
1021 noconfigdirs="$noconfigdirs gdb"
1024 noconfigdirs="$noconfigdirs gdb ld"
1032 hppa*-*-openbsd* | \
1038 noconfigdirs="$noconfigdirs ld"
1041 noconfigdirs="$noconfigdirs gdb"
1044 # No gdb support yet.
1045 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
1048 # No ld support yet.
1049 noconfigdirs="$noconfigdirs gdb libgui itcl ld"
1052 # No ld support yet.
1053 noconfigdirs="$noconfigdirs libgui itcl ld"
1055 i[[3456789]]86-w64-mingw*)
1057 i[[3456789]]86-*-mingw*)
1058 target_configdirs="$target_configdirs target-winsup"
1061 target_configdirs="$target_configdirs target-libtermcap target-winsup"
1062 noconfigdirs="$noconfigdirs target-libgloss"
1063 # always build newlib if winsup directory is present.
1064 if test -d "$srcdir/winsup/cygwin"; then
1065 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1066 elif test -d "$srcdir/newlib"; then
1067 echo "Warning: winsup/cygwin is missing so newlib can't be built."
1070 i[[3456789]]86-*-pe)
1071 noconfigdirs="$noconfigdirs target-libgloss"
1073 i[[3456789]]86-*-sco3.2v5*)
1074 # The linker does not yet know about weak symbols in COFF,
1075 # and is not configured to handle mixed ELF and COFF.
1076 noconfigdirs="$noconfigdirs ld target-libgloss"
1078 i[[3456789]]86-*-sco*)
1079 noconfigdirs="$noconfigdirs gprof target-libgloss"
1081 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
1082 noconfigdirs="$noconfigdirs target-libgloss"
1084 i[[3456789]]86-*-sysv4*)
1085 noconfigdirs="$noconfigdirs target-libgloss"
1087 i[[3456789]]86-*-beos*)
1088 noconfigdirs="$noconfigdirs gdb"
1090 i[[3456789]]86-*-rdos*)
1091 noconfigdirs="$noconfigdirs gdb"
1094 noconfigdirs="$noconfigdirs gdb"
1097 noconfigdirs="$noconfigdirs sim"
1100 noconfigdirs="$noconfigdirs ld gas gdb gprof sim"
1101 noconfigdirs="$noconfigdirs $target_libraries"
1104 # copied from rs6000-*-* entry
1105 noconfigdirs="$noconfigdirs gprof"
1107 powerpc*-*-winnt* | powerpc*-*-pe*)
1108 target_configdirs="$target_configdirs target-winsup"
1109 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
1110 # always build newlib.
1111 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1113 # This is temporary until we can link against shared libraries
1114 powerpcle-*-solaris*)
1115 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
1118 noconfigdirs="$noconfigdirs gdb"
1121 noconfigdirs="$noconfigdirs gprof"
1124 noconfigdirs="$noconfigdirs gprof"
1127 noconfigdirs="$noconfigdirs gprof"
1130 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
1133 noconfigdirs="$noconfigdirs gprof"
1135 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
1136 if test x$with_newlib = xyes; then
1137 noconfigdirs="$noconfigdirs gprof"
1141 noconfigdirs="$noconfigdirs gprof target-libgloss"
1144 noconfigdirs="$noconfigdirs gprof target-libgloss"
1147 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss"
1151 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \
1152 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*)
1153 noconfigdirs="$noconfigdirs ld gas gprof"
1156 noconfigdirs="$noconfigdirs gprof"
1159 noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc"
1166 noconfigdirs="$noconfigdirs target-libgloss" ;;
1170 if test x${is_cross_compiler} = xno ; then
1175 noconfigdirs="$noconfigdirs sim"
1177 tilepro*-*-* | tilegx*-*-*)
1178 noconfigdirs="$noconfigdirs sim"
1181 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
1184 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1187 noconfigdirs="$noconfigdirs ld"
1191 # If we aren't building newlib, then don't build libgloss, since libgloss
1192 # depends upon some newlib header files.
1193 case "${noconfigdirs}" in
1194 *target-libgloss*) ;;
1195 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1198 # Work in distributions that contain no compiler tools, like Autoconf.
1199 host_makefile_frag=/dev/null
1200 if test -d ${srcdir}/config ; then
1202 i[[3456789]]86-*-msdosdjgpp*)
1203 host_makefile_frag="config/mh-djgpp"
1206 ACX_CHECK_CYGWIN_CAT_WORKS
1207 host_makefile_frag="config/mh-cygwin"
1210 host_makefile_frag="config/mh-mingw"
1213 host_makefile_frag="config/mh-alpha-linux"
1216 host_makefile_frag="config/mh-pa-hpux10"
1219 host_makefile_frag="config/mh-pa"
1222 host_makefile_frag="config/mh-pa"
1225 host_makefile_frag="config/mh-darwin"
1228 host_makefile_frag="config/mh-ppc-aix"
1231 host_makefile_frag="config/mh-ppc-aix"
1236 if test "${build}" != "${host}" ; then
1237 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1238 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1239 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1240 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1241 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1242 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1243 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1244 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1245 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1246 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1247 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1248 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1250 AR_FOR_BUILD="\$(AR)"
1251 AS_FOR_BUILD="\$(AS)"
1252 CC_FOR_BUILD="\$(CC)"
1253 CXX_FOR_BUILD="\$(CXX)"
1254 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1255 GOC_FOR_BUILD="\$(GOC)"
1256 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1257 LD_FOR_BUILD="\$(LD)"
1258 NM_FOR_BUILD="\$(NM)"
1259 RANLIB_FOR_BUILD="\$(RANLIB)"
1260 WINDRES_FOR_BUILD="\$(WINDRES)"
1261 WINDMC_FOR_BUILD="\$(WINDMC)"
1267 # We must set the default linker to the linker used by gcc for the correct
1268 # operation of libtool. If LD is not defined and we are using gcc, try to
1269 # set the LD default to the ld used by gcc.
1270 if test -z "$LD"; then
1271 if test "$GCC" = yes; then
1274 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1276 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1278 case $gcc_prog_ld in
1279 # Accept absolute paths.
1280 [[\\/]* | [A-Za-z]:[\\/]*)]
1281 LD="$gcc_prog_ld" ;;
1286 # Check whether -static-libstdc++ -static-libgcc is supported.
1288 if test "$GCC" = yes; then
1289 saved_LDFLAGS="$LDFLAGS"
1291 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
1292 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
1294 AC_LINK_IFELSE([AC_LANG_SOURCE([
1295 #if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
1296 #error -static-libstdc++ not implemented
1299 [AC_MSG_RESULT([yes]); have_static_libs=yes],
1300 [AC_MSG_RESULT([no])])
1303 LDFLAGS="$saved_LDFLAGS"
1307 ACX_PROG_CMP_IGNORE_INITIAL
1309 AC_ARG_ENABLE([bootstrap],
1310 [AS_HELP_STRING([--enable-bootstrap],
1311 [enable bootstrapping @<:@yes if native build@:>@])],,
1312 enable_bootstrap=default)
1314 # Issue errors and warnings for invalid/strange bootstrap combinations.
1315 if test -r $srcdir/gcc/configure; then
1321 case "$have_compiler:$host:$target:$enable_bootstrap" in
1324 # Default behavior. Enable bootstrap if we have a compiler
1325 # and we are in a native configuration.
1326 yes:$build:$build:default)
1327 enable_bootstrap=yes ;;
1330 enable_bootstrap=no ;;
1332 # We have a compiler and we are in a native configuration, bootstrap is ok
1333 yes:$build:$build:yes)
1336 # Other configurations, but we have a compiler. Assume the user knows
1339 AC_MSG_WARN([trying to bootstrap a cross compiler])
1342 # No compiler: if they passed --enable-bootstrap explicitly, fail
1344 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1346 # Fail if wrong command line
1348 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1352 # When bootstrapping with GCC, build stage 1 in C++98 mode to ensure that a
1353 # C++98 compiler can still start the bootstrap.
1354 if test "$enable_bootstrap:$GXX" = "yes:yes"; then
1355 CXX="$CXX -std=gnu++98"
1358 # Used for setting $lt_cv_objdir
1361 # Check for GMP, MPFR and MPC
1362 gmplibs="-lmpc -lmpfr -lgmp"
1366 # Specify a location for mpc
1367 # check for this first so it ends up on the link line before mpfr.
1369 [AS_HELP_STRING([--with-mpc=PATH],
1370 [specify prefix directory for installed MPC package.
1371 Equivalent to --with-mpc-include=PATH/include
1372 plus --with-mpc-lib=PATH/lib])])
1373 AC_ARG_WITH(mpc-include,
1374 [AS_HELP_STRING([--with-mpc-include=PATH],
1375 [specify directory for installed MPC include files])])
1376 AC_ARG_WITH(mpc-lib,
1377 [AS_HELP_STRING([--with-mpc-lib=PATH],
1378 [specify directory for the installed MPC library])])
1380 if test "x$with_mpc" != x; then
1381 gmplibs="-L$with_mpc/lib $gmplibs"
1382 gmpinc="-I$with_mpc/include $gmpinc"
1384 if test "x$with_mpc_include" != x; then
1385 gmpinc="-I$with_mpc_include $gmpinc"
1387 if test "x$with_mpc_lib" != x; then
1388 gmplibs="-L$with_mpc_lib $gmplibs"
1390 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1391 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1392 gmpinc='-I$$s/mpc/src '"$gmpinc"
1393 # Do not test the mpc version. Assume that it is sufficient, since
1394 # it is in the source tree, and the library has not been built yet
1395 # but it would be included on the link line in the version check below
1396 # hence making the test fail.
1400 # Specify a location for mpfr
1401 # check for this first so it ends up on the link line before gmp.
1402 AC_ARG_WITH(mpfr-dir,
1403 [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1404 [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1405 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1408 [AS_HELP_STRING([--with-mpfr=PATH],
1409 [specify prefix directory for installed MPFR package.
1410 Equivalent to --with-mpfr-include=PATH/include
1411 plus --with-mpfr-lib=PATH/lib])])
1412 AC_ARG_WITH(mpfr-include,
1413 [AS_HELP_STRING([--with-mpfr-include=PATH],
1414 [specify directory for installed MPFR include files])])
1415 AC_ARG_WITH(mpfr-lib,
1416 [AS_HELP_STRING([--with-mpfr-lib=PATH],
1417 [specify directory for the installed MPFR library])])
1419 if test "x$with_mpfr" != x; then
1420 gmplibs="-L$with_mpfr/lib $gmplibs"
1421 gmpinc="-I$with_mpfr/include $gmpinc"
1423 if test "x$with_mpfr_include" != x; then
1424 gmpinc="-I$with_mpfr_include $gmpinc"
1426 if test "x$with_mpfr_lib" != x; then
1427 gmplibs="-L$with_mpfr_lib $gmplibs"
1429 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1430 # MPFR v3.1.0 moved the sources into a src sub-directory.
1431 if ! test -d ${srcdir}/mpfr/src; then
1433 Building GCC with MPFR in the source tree is only handled for MPFR 3.1.0+.])
1435 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
1436 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
1437 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
1438 # Do not test the mpfr version. Assume that it is sufficient, since
1439 # it is in the source tree, and the library has not been built yet
1440 # but it would be included on the link line in the version check below
1441 # hence making the test fail.
1445 # Specify a location for gmp
1446 AC_ARG_WITH(gmp-dir,
1447 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1448 [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1449 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1452 [AS_HELP_STRING([--with-gmp=PATH],
1453 [specify prefix directory for the installed GMP package.
1454 Equivalent to --with-gmp-include=PATH/include
1455 plus --with-gmp-lib=PATH/lib])])
1456 AC_ARG_WITH(gmp-include,
1457 [AS_HELP_STRING([--with-gmp-include=PATH],
1458 [specify directory for installed GMP include files])])
1459 AC_ARG_WITH(gmp-lib,
1460 [AS_HELP_STRING([--with-gmp-lib=PATH],
1461 [specify directory for the installed GMP library])])
1464 if test "x$with_gmp" != x; then
1465 gmplibs="-L$with_gmp/lib $gmplibs"
1466 gmpinc="-I$with_gmp/include $gmpinc"
1468 if test "x$with_gmp_include" != x; then
1469 gmpinc="-I$with_gmp_include $gmpinc"
1471 if test "x$with_gmp_lib" != x; then
1472 gmplibs="-L$with_gmp_lib $gmplibs"
1474 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1475 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1476 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1477 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1478 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1479 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp'
1480 # Do not test the gmp version. Assume that it is sufficient, since
1481 # it is in the source tree, and the library has not been built yet
1482 # but it would be included on the link line in the version check below
1483 # hence making the test fail.
1487 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1489 saved_CFLAGS="$CFLAGS"
1490 CFLAGS="$CFLAGS $gmpinc"
1491 # Check for the recommended and required versions of GMP.
1492 AC_MSG_CHECKING([for the correct version of gmp.h])
1493 AC_TRY_COMPILE([#include "gmp.h"],[
1494 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1495 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1496 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3)
1499 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1500 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1501 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1502 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1505 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1506 [AC_MSG_RESULT([no]); have_gmp=no])
1508 # If we have GMP, check the MPFR version.
1509 if test x"$have_gmp" = xyes; then
1510 # Check for the recommended and required versions of MPFR.
1511 AC_MSG_CHECKING([for the correct version of mpfr.h])
1512 AC_TRY_COMPILE([#include <gmp.h>
1513 #include <mpfr.h>],[
1514 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0)
1517 ], [AC_TRY_COMPILE([#include <gmp.h>
1518 #include <mpfr.h>],[
1519 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1522 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1523 [AC_MSG_RESULT([no]); have_gmp=no])
1526 # Check for the MPC header version.
1527 if test x"$have_gmp" = xyes ; then
1528 # Check for the recommended and required versions of MPC.
1529 AC_MSG_CHECKING([for the correct version of mpc.h])
1530 AC_TRY_COMPILE([#include <mpc.h>],[
1531 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1534 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1535 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1538 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1539 [AC_MSG_RESULT([no]); have_gmp=no])
1542 # Now check the MPFR library.
1543 if test x"$have_gmp" = xyes; then
1545 LIBS="$LIBS $gmplibs"
1546 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1547 AC_TRY_LINK([#include <mpc.h>],[
1554 mpfr_atan2 (n, n, x, GMP_RNDN);
1555 mpfr_erfc (n, x, GMP_RNDN);
1556 mpfr_subnormalize (x, t, GMP_RNDN);
1560 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1561 mpc_cosh (c, c, MPC_RNDNN);
1562 mpc_pow (c, c, c, MPC_RNDNN);
1563 mpc_acosh (c, c, MPC_RNDNN);
1565 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1569 CFLAGS="$saved_CFLAGS"
1571 # The library versions listed in the error message below should match
1572 # the HARD-minimums enforced above.
1573 if test x$have_gmp != xyes; then
1574 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+.
1575 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1576 their locations. Source code for these libraries can be found at
1577 their respective hosting sites as well as at
1578 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1579 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1580 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1581 make sure that you have installed both the libraries and the header
1582 files. They may be located in separate packages.])
1586 # Flags needed for both GMP, MPFR and/or MPC.
1589 AC_SUBST(extra_mpfr_configure_flags)
1590 AC_SUBST(extra_mpc_gmp_configure_flags)
1591 AC_SUBST(extra_mpc_mpfr_configure_flags)
1592 AC_SUBST(extra_isl_gmp_configure_flags)
1594 # Libraries to use for stage1 or when not bootstrapping.
1595 AC_ARG_WITH(stage1-libs,
1596 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1597 [if test "$withval" = "no" -o "$withval" = "yes"; then
1600 stage1_libs=$withval
1603 AC_SUBST(stage1_libs)
1605 # Linker flags to use for stage1 or when not bootstrapping.
1606 AC_ARG_WITH(stage1-ldflags,
1607 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1608 [if test "$withval" = "no" -o "$withval" = "yes"; then
1611 stage1_ldflags=$withval
1614 # In stage 1, default to linking libstdc++ and libgcc statically with GCC
1615 # if supported. But if the user explicitly specified the libraries to use,
1616 # trust that they are doing what they want.
1617 if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then
1618 stage1_ldflags="-static-libstdc++ -static-libgcc"
1620 AC_SUBST(stage1_ldflags)
1622 # Libraries to use for stage2 and later builds.
1623 AC_ARG_WITH(boot-libs,
1624 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
1625 [if test "$withval" = "no" -o "$withval" = "yes"; then
1628 poststage1_libs=$withval
1631 AC_SUBST(poststage1_libs)
1633 # Linker flags to use for stage2 and later builds.
1634 AC_ARG_WITH(boot-ldflags,
1635 [AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1636 [linker flags for stage2 and later])],
1637 [if test "$withval" = "no" -o "$withval" = "yes"; then
1640 poststage1_ldflags=$withval
1642 [poststage1_ldflags=
1643 # In stages 2 and 3, default to linking libstdc++ and libgcc
1644 # statically. But if the user explicitly specified the libraries to
1645 # use, trust that they are doing what they want.
1646 if test "$poststage1_libs" = ""; then
1647 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1649 AC_SUBST(poststage1_ldflags)
1651 # GCC GRAPHITE dependency isl.
1652 # Basic setup is inlined here, actual checks are in config/isl.m4
1657 [Specify prefix directory for the installed isl package.
1658 Equivalent to --with-isl-include=PATH/include
1659 plus --with-isl-lib=PATH/lib])])
1661 # Treat --without-isl as a request to disable
1662 # GRAPHITE support and skip all following checks.
1663 if test "x$with_isl" != "xno"; then
1665 dnl Provide configure switches and initialize islinc & isllibs
1666 dnl with user input.
1668 dnl The versions of isl that work for Graphite
1670 dnl Only execute fail-action, if isl has been requested.
1672 AC_MSG_ERROR([Unable to find a usable isl. See config.log for details.])])
1675 # If the isl check failed, disable builds of in-tree variant of isl
1676 if test "x$with_isl" = xno ||
1677 test "x$gcc_cv_isl" = xno; then
1678 noconfigdirs="$noconfigdirs isl"
1685 # Check for LTO support.
1687 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
1688 enable_lto=$enableval,
1689 enable_lto=yes; default_enable_lto=yes)
1691 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1692 build_lto_plugin=yes
1693 ],[if test x"$default_enable_lto" = x"yes" ; then
1695 *-apple-darwin[[912]]* | *-cygwin* | *-mingw* | *djgpp*) ;;
1696 # On other non-ELF platforms, LTO has yet to be validated.
1700 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1701 # It would also be nice to check the binutils support, but we don't
1702 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1703 # warn during gcc/ subconfigure; unless you're bootstrapping with
1704 # -flto it won't be needed until after installation anyway.
1706 *-cygwin* | *-mingw* | *-apple-darwin* | *djgpp*) ;;
1707 *) if test x"$enable_lto" = x"yes"; then
1708 AC_MSG_ERROR([LTO support is not enabled for this target.])
1713 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1714 # Build it unless LTO was explicitly disabled.
1716 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1721 AC_ARG_ENABLE(linker-plugin-configure-flags,
1722 [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]],
1723 [additional flags for configuring linker plugins @<:@none@:>@])],
1724 extra_linker_plugin_configure_flags=$enableval,
1725 extra_linker_plugin_configure_flags=)
1726 AC_SUBST(extra_linker_plugin_configure_flags)
1727 AC_ARG_ENABLE(linker-plugin-flags,
1728 [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]],
1729 [additional flags for configuring and building linker plugins @<:@none@:>@])],
1730 extra_linker_plugin_flags=$enableval,
1731 extra_linker_plugin_flags=)
1732 AC_SUBST(extra_linker_plugin_flags)
1734 # Enable --enable-host-shared.
1735 # Checked early to determine whether jit is an 'all' language
1736 AC_ARG_ENABLE(host-shared,
1737 [AS_HELP_STRING([--enable-host-shared],
1738 [build host code as shared libraries])],
1739 [host_shared=$enableval], [host_shared=no])
1740 AC_SUBST(host_shared)
1742 # By default, C and C++ are the only stage 1 languages.
1743 stage1_languages=,c,
1745 # Target libraries that we bootstrap.
1746 bootstrap_target_libs=,target-libgcc,
1748 # Figure out what language subdirectories are present.
1749 # Look if the user specified --enable-languages="..."; if not, use
1750 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1752 # NB: embedded tabs in this IF block -- do not untabify
1753 if test -d ${srcdir}/gcc; then
1754 if test x"${enable_languages+set}" != xset; then
1755 if test x"${LANGUAGES+set}" = xset; then
1756 enable_languages="${LANGUAGES}"
1757 echo configure.ac: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1759 enable_languages=default
1762 if test x"${enable_languages}" = x ||
1763 test x"${enable_languages}" = xyes;
1765 echo configure.ac: --enable-languages needs at least one language argument 1>&2
1769 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1771 # 'f95' is the old name for the 'fortran' language. We issue a warning
1772 # and make the substitution.
1773 case ,${enable_languages}, in
1775 echo configure.ac: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1776 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1780 # If bootstrapping, C++ must be enabled.
1781 case ",$enable_languages,:$enable_bootstrap" in
1784 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1785 enable_languages="${enable_languages},c++"
1787 AC_MSG_ERROR([bootstrapping requires c++ sources])
1792 # First scan to see if an enabled language requires some other language.
1793 # We assume that a given config-lang.in will list all the language
1794 # front ends it requires, even if some are required indirectly.
1795 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1796 case ${lang_frag} in
1798 # The odd quoting in the next line works around
1799 # an apparent bug in bash 1.12 on linux.
1800 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1802 # From the config-lang.in, get $language, $lang_requires, and
1803 # $lang_requires_boot_languages.
1806 lang_requires_boot_languages=
1807 # set srcdir during sourcing lang_frag to the gcc dir.
1808 # Sadly overriding srcdir on the . line doesn't work in plain sh as it
1809 # polutes this shell
1810 saved_srcdir=${srcdir}
1811 srcdir=${srcdir}/gcc . ${lang_frag}
1812 srcdir=${saved_srcdir}
1813 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1814 case ,${enable_languages}, in
1819 echo " \`$other' language required by \`$language'; enabling" 1>&2
1820 enable_languages="${enable_languages},${other}"
1824 for other in ${lang_requires_boot_languages} ; do
1825 if test "$other" != "c"; then
1826 case ,${enable_stage1_languages}, in
1831 case ,${enable_languages}, in
1833 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1834 enable_stage1_languages="$enable_stage1_languages,${other}"
1845 new_enable_languages=,c,
1847 # If LTO is enabled, add the LTO front end.
1848 if test "$enable_lto" = "yes" ; then
1849 case ,${enable_languages}, in
1851 *) enable_languages="${enable_languages},lto" ;;
1853 if test "${build_lto_plugin}" = "yes" ; then
1854 configdirs="$configdirs lto-plugin"
1858 # If we're building an offloading compiler, add the LTO front end.
1859 if test x"$enable_as_accelerator_for" != x ; then
1860 case ,${enable_languages}, in
1862 *) enable_languages="${enable_languages},lto" ;;
1866 missing_languages=`echo ",$enable_languages," | sed -e s/,default,/,/ -e s/,all,/,/ -e s/,c,/,/ `
1867 potential_languages=,c,
1869 enabled_target_libs=
1870 disabled_target_libs=
1872 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1873 case ${lang_frag} in
1875 # The odd quoting in the next line works around
1876 # an apparent bug in bash 1.12 on linux.
1877 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1879 # From the config-lang.in, get $language, $target_libs,
1880 # $lang_dirs, $boot_language, and $build_by_default
1886 build_by_default=yes
1887 # set srcdir during sourcing. See above about save & restore
1888 saved_srcdir=${srcdir}
1889 srcdir=${srcdir}/gcc . ${lang_frag}
1890 srcdir=${saved_srcdir}
1891 if test x${language} = x; then
1892 echo "${lang_frag} doesn't set \$language." 1>&2
1896 if test "$language" = "c++"; then
1901 # C is always enabled, so no need to add it again
1902 if test "$language" != "c"; then
1903 case ,${enable_languages}, in
1905 # Language was explicitly selected; include it
1909 # All languages are enabled
1913 # 'default' was selected, select it if it is a default language
1914 add_this_lang=${build_by_default}
1919 # Disable languages that need other directories if these aren't available.
1920 for i in $subdir_requires; do
1921 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1922 case ${add_this_lang} in
1924 # Specifically requested language; tell them.
1925 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1928 AC_MSG_WARN([The gcc/$i directory contains parts of $language but is missing])
1929 add_this_lang=unsupported
1933 add_this_lang=unsupported
1938 # Disable Ada if no preexisting GNAT is available.
1939 case ${add_this_lang}:${language}:${have_gnat} in
1941 # Specifically requested language; tell them.
1942 AC_MSG_ERROR([GNAT is required to build $language])
1945 AC_MSG_WARN([GNAT is required to build $language])
1946 add_this_lang=unsupported
1950 add_this_lang=unsupported
1954 # Disable jit if -enable-host-shared not specified
1955 case ${add_this_lang}:${language}:${host_shared} in
1957 # PR jit/64780: explicitly specify --enable-host-shared
1959 Enabling language "jit" requires --enable-host-shared.
1961 --enable-host-shared typically slows the rest of the compiler down by
1962 a few %, so you must explicitly enable it.
1964 If you want to build both the jit and the regular compiler, it is often
1965 best to do this via two separate configure/builds, in separate
1966 directories, to avoid imposing the performance cost of
1967 --enable-host-shared on the regular compiler.])
1970 AC_MSG_WARN([--enable-host-shared required to build $language])
1971 add_this_lang=unsupported
1975 add_this_lang=unsupported
1979 # Disable a language that is unsupported by the target.
1980 case "${add_this_lang}: $unsupported_languages " in
1984 AC_MSG_WARN([${language} not supported for this target])
1985 add_this_lang=unsupported
1989 case $add_this_lang in
1991 # Remove language-dependent dirs.
1992 disabled_target_libs="$disabled_target_libs $target_libs"
1993 noconfigdirs="$noconfigdirs $lang_dirs"
1996 # Remove language-dependent dirs; still show language as supported.
1997 disabled_target_libs="$disabled_target_libs $target_libs"
1998 noconfigdirs="$noconfigdirs $lang_dirs"
1999 potential_languages="${potential_languages}${language},"
2002 new_enable_languages="${new_enable_languages}${language},"
2003 potential_languages="${potential_languages}${language},"
2004 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
2005 enabled_target_libs="$enabled_target_libs $target_libs"
2006 case "${boot_language}:,$enable_stage1_languages," in
2007 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
2008 # Add to (comma-separated) list of stage 1 languages.
2009 case ",$stage1_languages," in
2010 *,$language,* | ,yes, | ,all,) ;;
2011 *) stage1_languages="${stage1_languages}${language}," ;;
2013 # We need to bootstrap any supporting libraries.
2014 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
2023 # Add target libraries which are only needed for disabled languages
2025 if test -n "$disabled_target_libs"; then
2026 for dir in $disabled_target_libs; do
2027 case " $enabled_target_libs " in
2029 *) noconfigdirs="$noconfigdirs $dir" ;;
2034 AC_ARG_ENABLE(stage1-languages,
2035 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
2036 [choose additional languages to build during
2037 stage1. Mostly useful for compiler development])],
2038 [case ,${enable_stage1_languages}, in
2040 # Set it to something that will have no effect in the loop below
2041 enable_stage1_languages=c ;;
2043 enable_stage1_languages=`echo $new_enable_languages | \
2044 sed -e "s/^,//" -e "s/,$//" ` ;;
2046 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
2047 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
2050 # Add "good" languages from enable_stage1_languages to stage1_languages,
2051 # while "bad" languages go in missing_languages. Leave no duplicates.
2052 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
2053 case $potential_languages in
2055 case $stage1_languages in
2057 *) stage1_languages="$stage1_languages$i," ;;
2060 case $missing_languages in
2062 *) missing_languages="$missing_languages$i," ;;
2067 # Remove leading/trailing commas that were added for simplicity
2068 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
2069 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
2070 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
2071 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
2073 if test "x$missing_languages" != x; then
2075 The following requested languages could not be built: ${missing_languages}
2076 Supported languages are: ${potential_languages}])
2078 if test "x$new_enable_languages" != "x$enable_languages"; then
2079 echo The following languages will be built: ${new_enable_languages}
2080 enable_languages="$new_enable_languages"
2083 AC_SUBST(stage1_languages)
2084 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
2087 # Handle --disable-<component> generically.
2088 for dir in $configdirs $build_configdirs $target_configdirs ; do
2089 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
2090 varname=`echo $dirname | sed -e s/+/_/g`
2091 if eval test x\${enable_${varname}} "=" xno ; then
2092 noconfigdirs="$noconfigdirs $dir"
2096 # Check for Boehm's garbage collector
2097 AC_ARG_ENABLE(objc-gc,
2098 [AS_HELP_STRING([--enable-objc-gc],
2099 [enable use of Boehm's garbage collector with the
2100 GNU Objective-C runtime])])
2101 AC_ARG_WITH([target-bdw-gc],
2102 [AS_HELP_STRING([--with-target-bdw-gc=PATHLIST],
2103 [specify prefix directory for installed bdw-gc package.
2104 Equivalent to --with-target-bdw-gc-include=PATH/include
2105 plus --with-target-bdw-gc-lib=PATH/lib])])
2106 AC_ARG_WITH([target-bdw-gc-include],
2107 [AS_HELP_STRING([--with-target-bdw-gc-include=PATHLIST],
2108 [specify directories for installed bdw-gc include files])])
2109 AC_ARG_WITH([target-bdw-gc-lib],
2110 [AS_HELP_STRING([--with-target-bdw-gc-lib=PATHLIST],
2111 [specify directories for installed bdw-gc library])])
2113 case ,${enable_languages},:${enable_objc_gc} in *,objc,*:yes|*,objc,*:auto)
2114 AC_MSG_CHECKING([for bdw garbage collector])
2115 if test "x$with_target_bdw_gc$with_target_bdw_gc_include$with_target_bdw_gc_lib" = x; then
2116 dnl no bdw-gw options, assume default locations
2117 AC_MSG_RESULT([using bdw-gc in default locations])
2119 dnl bdw-gw options, first error checking, complete checking in libobjc
2120 if test "x$with_target_bdw_gc_include" = x && test "x$with_target_bdw_gc_lib" != x; then
2121 AC_MSG_ERROR([found --with-target-bdw-gc-lib but --with-target-bdw-gc-include missing])
2122 elif test "x$with_target_bdw_gc_include" != x && test "x$with_target_bdw_gc_lib" = x; then
2123 AC_MSG_ERROR([found --with-target-bdw-gc-include but --with-target-bdw-gc-lib missing])
2125 AC_MSG_RESULT([using paths configured with --with-target-bdw-gc options])
2130 # Disable libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++
2131 case ,${enable_languages}, in
2133 # Disable libitm, libsanitizer if we're not building libstdc++
2134 case "${noconfigdirs}" in
2135 *target-libstdc++-v3*)
2136 noconfigdirs="$noconfigdirs target-libitm target-libsanitizer"
2142 noconfigdirs="$noconfigdirs target-liboffloadmic target-libitm target-libsanitizer target-libvtv"
2146 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2147 # $build_configdirs and $target_configdirs.
2148 # If we have the source for $noconfigdirs entries, add them to $notsupp.
2151 for dir in . $skipdirs $noconfigdirs ; do
2152 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
2153 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2154 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2155 if test -r $srcdir/$dirname/configure ; then
2156 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2159 notsupp="$notsupp $dir"
2163 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2164 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2165 if test -r $srcdir/$dirname/configure ; then
2166 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2169 notsupp="$notsupp $dir"
2173 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2174 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2175 if test -r $srcdir/$dirname/configure ; then
2176 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2179 notsupp="$notsupp $dir"
2185 # Quietly strip out all directories which aren't configurable in this tree.
2186 # This relies on all configurable subdirectories being autoconfiscated, which
2188 build_configdirs_all="$build_configdirs"
2190 for i in ${build_configdirs_all} ; do
2191 j=`echo $i | sed -e s/build-//g`
2192 if test -f ${srcdir}/$j/configure ; then
2193 build_configdirs="${build_configdirs} $i"
2197 configdirs_all="$configdirs"
2199 for i in ${configdirs_all} ; do
2200 if test -f ${srcdir}/$i/configure ; then
2201 configdirs="${configdirs} $i"
2205 target_configdirs_all="$target_configdirs"
2207 for i in ${target_configdirs_all} ; do
2208 j=`echo $i | sed -e s/target-//g`
2209 if test -f ${srcdir}/$j/configure ; then
2210 target_configdirs="${target_configdirs} $i"
2214 # libiberty-linker-plugin is special: it doesn't have its own source directory,
2215 # so we have to add it after the preceding checks.
2216 if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x
2218 case " $configdirs " in
2220 # If we can build libiberty, we can also build libiberty-linker-plugin.
2221 configdirs="$configdirs libiberty-linker-plugin"
2222 extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \
2223 --with-libiberty=../libiberty-linker-plugin";;
2225 AC_MSG_ERROR([libiberty missing]);;
2229 # Sometimes we have special requirements for the host libiberty.
2230 extra_host_libiberty_configure_flags=
2231 extra_host_zlib_configure_flags=
2232 case " $configdirs " in
2233 *" lto-plugin "* | *" libcc1 "*)
2234 # When these are to be built as shared libraries, the same applies to
2236 extra_host_libiberty_configure_flags=--enable-shared
2239 # When bfd is to be built as a shared library, the same applies to
2241 if test "$enable_shared" = "yes"; then
2242 extra_host_zlib_configure_flags=--enable-host-shared
2246 AC_SUBST(extra_host_libiberty_configure_flags)
2247 AC_SUBST(extra_host_zlib_configure_flags)
2249 # Produce a warning message for the subdirs we can't configure.
2250 # This isn't especially interesting in the Cygnus tree, but in the individual
2251 # FSF releases, it's important to let people know when their machine isn't
2252 # supported by the one or two programs in a package.
2254 if test -n "${notsupp}" && test -z "${norecursion}" ; then
2255 # If $appdirs is non-empty, at least one of those directories must still
2256 # be configured, or we error out. (E.g., if the gas release supports a
2257 # specified target in some subdirs but not the gas subdir, we shouldn't
2258 # pretend that all is well.)
2259 if test -n "$appdirs" ; then
2260 for dir in $appdirs ; do
2261 if test -r $dir/Makefile.in ; then
2262 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2266 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2272 if test -n "$appdirs" ; then
2273 echo "*** This configuration is not supported by this package." 1>&2
2277 # Okay, some application will build, or we don't care to check. Still
2278 # notify of subdirs not getting built.
2279 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2280 echo " ${notsupp}" 1>&2
2281 echo " (Any other directories should still work fine.)" 1>&2
2289 # To find our prefix, in gcc_cv_tool_prefix.
2294 AC_ARG_WITH([build-sysroot],
2295 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2296 [use sysroot as the system root during the build])],
2297 [if test x"$withval" != x ; then
2298 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2300 [SYSROOT_CFLAGS_FOR_TARGET=])
2301 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2303 AC_ARG_WITH([debug-prefix-map],
2304 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2305 [map A to B, C to D ... in debug information])],
2306 [if test x"$withval" != x; then
2307 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2308 for debug_map in $withval; do
2309 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2312 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2313 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2315 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2316 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2317 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2318 # We want to ensure that TARGET libraries (which we know are built with
2319 # gcc) are built with "-O2 -g", so include those options when setting
2320 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2321 if test "x$CFLAGS_FOR_TARGET" = x; then
2322 if test "x${is_cross_compiler}" = xyes; then
2323 CFLAGS_FOR_TARGET="-g -O2"
2325 CFLAGS_FOR_TARGET=$CFLAGS
2328 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;;
2331 *" -g "* | *" -g3 "*) ;;
2332 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;;
2336 AC_SUBST(CFLAGS_FOR_TARGET)
2338 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2339 if test "x${is_cross_compiler}" = xyes; then
2340 CXXFLAGS_FOR_TARGET="-g -O2"
2342 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2343 case " $CXXFLAGS " in
2345 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;;
2347 case " $CXXFLAGS " in
2348 *" -g "* | *" -g3 "*) ;;
2349 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;;
2353 AC_SUBST(CXXFLAGS_FOR_TARGET)
2355 AC_SUBST(LDFLAGS_FOR_TARGET)
2357 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2358 # the named directory are copied to $(tooldir)/sys-include.
2359 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2360 if test x${is_cross_compiler} = xno ; then
2361 echo 1>&2 '***' --with-headers is only supported when cross compiling
2364 if test x"${with_headers}" != xyes ; then
2365 x=${gcc_cv_tool_prefix}
2366 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2370 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2371 # the name directories are copied to $(tooldir)/lib. Multiple directories
2373 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2374 if test x${is_cross_compiler} = xno ; then
2375 echo 1>&2 '***' --with-libs is only supported when cross compiling
2378 if test x"${with_libs}" != xyes ; then
2379 # Copy the libraries in reverse order, so that files in the first named
2380 # library override files in subsequent libraries.
2381 x=${gcc_cv_tool_prefix}
2382 for l in ${with_libs}; do
2383 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2388 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2390 # This is done by determining whether or not the appropriate directory
2391 # is available, and by checking whether or not specific configurations
2392 # have requested that this magic not happen.
2394 # The command line options always override the explicit settings in
2395 # configure.ac, and the settings in configure.ac override this magic.
2397 # If the default for a toolchain is to use GNU as and ld, and you don't
2398 # want to do that, then you should use the --without-gnu-as and
2399 # --without-gnu-ld options for the configure script. Similarly, if
2400 # the default is to use the included zlib and you don't want to do that,
2401 # you should use the --with-system-zlib option for the configure script.
2403 if test x${use_gnu_as} = x &&
2404 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2406 extra_host_args="$extra_host_args --with-gnu-as"
2409 if test x${use_gnu_ld} = x &&
2410 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2412 extra_host_args="$extra_host_args --with-gnu-ld"
2415 if test x${use_included_zlib} = x &&
2416 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2419 with_system_zlib=yes
2420 extra_host_args="$extra_host_args --with-system-zlib"
2423 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2424 # can detect this case.
2426 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2428 extra_host_args="$extra_host_args --with-newlib"
2431 # Handle ${copy_dirs}
2432 set fnord ${copy_dirs}
2434 while test $# != 0 ; do
2435 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2438 echo Copying $1 to $2
2440 # Use the install script to create the directory and all required
2441 # parent directories.
2442 if test -d $2 ; then
2446 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2449 # Copy the directory, assuming we have tar.
2450 # FIXME: Should we use B in the second tar? Not all systems support it.
2451 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2453 # It is the responsibility of the user to correctly adjust all
2454 # symlinks. If somebody can figure out how to handle them correctly
2455 # here, feel free to add the code.
2462 # Determine a target-dependent exec_prefix that the installed
2463 # gcc will search in. Keep this list sorted by triplet, with
2464 # the *-*-osname triplets last.
2467 i[[34567]]86-pc-msdosdjgpp*)
2468 md_exec_prefix=/dev/env/DJDIR/bin
2473 md_exec_prefix=/usr/ccs/bin
2477 extra_arflags_for_target=
2478 extra_nmflags_for_target=
2479 extra_ranlibflags_for_target=
2480 target_makefile_frag=/dev/null
2483 target_makefile_frag="config/mt-spu"
2485 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
2486 target_makefile_frag="config/mt-sde"
2488 mipsisa*-*-elfoabi*)
2489 target_makefile_frag="config/mt-mips-elfoabi"
2491 mips*-*-*linux* | mips*-*-gnu*)
2492 target_makefile_frag="config/mt-mips-gnu"
2495 target_makefile_frag="config/mt-nios2-elf"
2498 target_makefile_frag="config/mt-android"
2500 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2501 target_makefile_frag="config/mt-gnu"
2503 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2504 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2505 # commands to handle both 32-bit and 64-bit objects. These flags are
2506 # harmless if we're using GNU nm or ar.
2507 extra_arflags_for_target=" -X32_64"
2508 extra_nmflags_for_target=" -B -X32_64"
2512 alphaieee_frag=/dev/null
2515 # This just makes sure to use the -mieee option to build target libs.
2516 # This should probably be set individually by each library.
2517 alphaieee_frag="config/mt-alphaieee"
2521 # If --enable-target-optspace always use -Os instead of -O2 to build
2522 # the target libraries, similarly if it is not specified, use -Os
2523 # on selected platforms.
2524 ospace_frag=/dev/null
2525 case "${enable_target_optspace}:${target}" in
2527 ospace_frag="config/mt-ospace"
2530 ospace_frag="config/mt-d30v"
2532 :m32r-* | :d10v-* | :fr30-* | :i?86*-*-elfiamcu)
2533 ospace_frag="config/mt-ospace"
2538 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2542 # Some systems (e.g., one of the i386-aix systems the gas testers are
2543 # using) don't handle "\$" correctly, so don't use it here.
2544 tooldir='${exec_prefix}'/${target_noncanonical}
2545 build_tooldir=${tooldir}
2547 # Create a .gdbinit file which runs the one in srcdir
2548 # and tells GDB to look there for source files.
2550 if test -r ${srcdir}/.gdbinit ; then
2553 *) cat > ./.gdbinit <<EOF
2557 source ${srcdir}/.gdbinit
2563 # Make sure that the compiler is able to generate an executable. If it
2564 # can't, we are probably in trouble. We don't care whether we can run the
2565 # executable--we might be using a cross compiler--we only care whether it
2566 # can be created. At this point the main configure script has set CC.
2568 echo "int main () { return 0; }" > conftest.c
2569 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2570 if test $? = 0 ; then
2571 if test -s conftest || test -s conftest.exe ; then
2577 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2578 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2585 # Decide which environment variable is used to find dynamic libraries.
2587 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2588 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2589 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2590 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2593 # On systems where the dynamic library environment variable is PATH,
2594 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2595 # built executables to PATH.
2596 if test "$RPATH_ENVVAR" = PATH; then
2597 GCC_SHLIB_SUBDIR=/shlib
2602 # Adjust the toplevel makefile according to whether bootstrap was selected.
2603 case $enable_bootstrap in
2605 bootstrap_suffix=bootstrap
2606 BUILD_CONFIG=bootstrap-debug
2609 bootstrap_suffix=no-bootstrap
2614 AC_MSG_CHECKING(for default BUILD_CONFIG)
2616 AC_ARG_WITH([build-config],
2617 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2618 [use config/NAME.mk build configuration])],
2619 [case $with_build_config in
2620 yes) with_build_config= ;;
2621 no) with_build_config= BUILD_CONFIG= ;;
2624 if test "x${with_build_config}" != x; then
2625 BUILD_CONFIG=$with_build_config
2627 case $BUILD_CONFIG in
2629 if echo "int f (void) { return 0; }" > conftest.c &&
2630 ${CC} -c conftest.c &&
2631 mv conftest.o conftest.o.g0 &&
2632 ${CC} -c -g conftest.c &&
2633 mv conftest.o conftest.o.g &&
2634 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2639 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2643 AC_MSG_RESULT($BUILD_CONFIG)
2644 AC_SUBST(BUILD_CONFIG)
2646 # Use same top-level configure hooks in libgcc/libstdc++/libvtv.
2647 AC_MSG_CHECKING([for --enable-vtable-verify])
2648 AC_ARG_ENABLE(vtable-verify,
2649 [AS_HELP_STRING([--enable-vtable-verify],
2650 [Enable vtable verification feature])],
2651 [case "$enableval" in
2652 yes) enable_vtable_verify=yes ;;
2653 no) enable_vtable_verify=no ;;
2654 *) enable_vtable_verify=no;;
2656 [enable_vtable_verify=no])
2657 AC_MSG_RESULT($enable_vtable_verify)
2659 # Record target_configdirs and the configure arguments for target and
2660 # build configuration in Makefile.
2661 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2662 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2663 bootstrap_fixincludes=no
2665 # If we are building libgomp, bootstrap it.
2666 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2667 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2670 # If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan
2671 # or bootstrap-ubsan, bootstrap it.
2672 if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then
2673 case "$BUILD_CONFIG" in
2674 *bootstrap-asan* | *bootstrap-ubsan* )
2675 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer,
2676 bootstrap_fixincludes=yes
2681 # If we are building libvtv and --enable-vtable-verify, bootstrap it.
2682 if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 &&
2683 test "$enable_vtable_verify" != no; then
2684 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv,
2687 # Determine whether gdb needs tk/tcl or not.
2688 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2689 # and in that case we want gdb to be built without tk. Ugh!
2690 # In fact I believe gdb is the *only* package directly dependent on tk,
2691 # so we should be able to put the 'maybe's in unconditionally and
2692 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2693 # 100% sure that that's safe though.
2695 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2696 case "$enable_gdbtk" in
2700 GDB_TK="${gdb_tk}" ;;
2702 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2703 # distro. Eventually someone will fix this and move Insight, nee
2704 # gdbtk to a separate directory.
2705 if test -d ${srcdir}/gdb/gdbtk ; then
2712 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2713 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2715 # gdb depends on gnulib, but as nothing else does, only include it if
2717 if echo " ${configdirs} " | grep " gdb " > /dev/null 2>&1 ; then
2718 # The Makefile provides the ordering, so it's enough here to add
2719 # gnulib to the list.
2720 configdirs="${configdirs} gnulib"
2723 # Strip out unwanted targets.
2725 # While at that, we remove Makefiles if we were started for recursive
2726 # configuration, so that the top-level Makefile reconfigures them,
2727 # like we used to do when configure itself was recursive.
2729 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2730 # but now we're fixing up the Makefile ourselves with the additional
2731 # commands passed to AC_CONFIG_FILES. Use separate variables
2732 # extrasub-{build,host,target} not because there is any reason to split
2733 # the substitutions up that way, but only to remain below the limit of
2734 # 99 commands in a script, for HP-UX sed.
2736 # Do not nest @if/@endif or @unless/@endunless pairs, because
2737 # configure will not warn you at all.
2739 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2740 yes:yes:*\ gold\ *:*,c++,*) ;;
2741 yes:yes:*\ gold\ *:*)
2742 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2747 for module in ${build_configdirs} ; do
2748 if test -z "${no_recursion}" \
2749 && test -f ${build_subdir}/${module}/Makefile; then
2750 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2751 rm -f ${build_subdir}/${module}/Makefile
2753 extrasub_build="$extrasub_build
2754 /^@if build-$module\$/d
2755 /^@endif build-$module\$/d
2756 /^@unless build-$module\$/,/^@endunless build-$module\$/d
2757 /^@if build-$module-$bootstrap_suffix\$/d
2758 /^@endif build-$module-$bootstrap_suffix\$/d
2759 /^@unless build-$module-$bootstrap_suffix\$/,/^@endunless build-$module-$bootstrap_suffix\$/d"
2762 for module in ${configdirs} ; do
2763 if test -z "${no_recursion}"; then
2764 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2765 if test -f ${file}; then
2766 echo 1>&2 "*** removing ${file} to force reconfigure"
2771 case ${module},${bootstrap_fixincludes} in
2772 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;;
2773 *) host_bootstrap_suffix=$bootstrap_suffix ;;
2775 extrasub_host="$extrasub_host
2777 /^@endif $module\$/d
2778 /^@unless $module\$/,/^@endunless $module\$/d
2779 /^@if $module-$host_bootstrap_suffix\$/d
2780 /^@endif $module-$host_bootstrap_suffix\$/d
2781 /^@unless $module-$host_bootstrap_suffix\$/,/^@endunless $module-$host_bootstrap_suffix\$/d"
2784 for module in ${target_configdirs} ; do
2785 if test -z "${no_recursion}" \
2786 && test -f ${target_subdir}/${module}/Makefile; then
2787 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2788 rm -f ${target_subdir}/${module}/Makefile
2791 # We only bootstrap target libraries listed in bootstrap_target_libs.
2792 case $bootstrap_target_libs in
2793 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2794 *) target_bootstrap_suffix=no-bootstrap ;;
2797 extrasub_target="$extrasub_target
2798 /^@if target-$module\$/d
2799 /^@endif target-$module\$/d
2800 /^@unless target-$module\$/,/^@endunless target-$module\$/d
2801 /^@if target-$module-$target_bootstrap_suffix\$/d
2802 /^@endif target-$module-$target_bootstrap_suffix\$/d
2803 /^@unless target-$module-$target_bootstrap_suffix\$/,/^@endunless target-$module-$target_bootstrap_suffix\$/d"
2806 # Do the final fixup along with target modules.
2807 extrasub_target="$extrasub_target
2812 # Create the serialization dependencies. This uses a temporary file.
2814 AC_ARG_ENABLE([serial-configure],
2815 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2816 [force sequential configuration of
2817 sub-packages for the host, target or build
2818 machine, or all sub-packages])])
2820 case ${enable_serial_configure} in
2822 enable_serial_build_configure=yes
2823 enable_serial_host_configure=yes
2824 enable_serial_target_configure=yes
2828 # These force 'configure's to be done one at a time, to avoid problems
2829 # with contention over a shared config.cache.
2831 echo '# serdep.tmp' > serdep.tmp
2833 test "x${enable_serial_build_configure}" = xyes &&
2834 for item in ${build_configdirs} ; do
2837 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2842 test "x${enable_serial_host_configure}" = xyes &&
2843 for item in ${configdirs} ; do
2846 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2851 test "x${enable_serial_target_configure}" = xyes &&
2852 for item in ${target_configdirs} ; do
2855 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2859 serialization_dependencies=serdep.tmp
2860 AC_SUBST_FILE(serialization_dependencies)
2862 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2863 # target, nonopt, and variable assignments. These are the ones we
2864 # might not want to pass down to subconfigures. The exception being
2865 # --cache-file=/dev/null, which is used to turn off the use of cache
2866 # files altogether, and which should be passed on to subconfigures.
2867 # Also strip program-prefix, program-suffix, and program-transform-name,
2868 # so that we can pass down a consistent program-transform-name.
2873 eval "set -- $ac_configure_args"
2876 if test X"$skip_next" = X"yes"; then
2880 if test X"$keep_next" = X"yes"; then
2883 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2885 baseargs="$baseargs '$ac_arg'"
2886 tbaseargs="$tbaseargs '$ac_arg'"
2891 # Handle separated arguments. Based on the logic generated by
2894 *=* | --config-cache | -C | -disable-* | --disable-* \
2895 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2896 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2897 | -with-* | --with-* | -without-* | --without-* | --x)
2911 --with-* | --without-*)
2912 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2916 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2919 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2928 mpc | mpfr | gmp | isl)
2929 # If we're processing --with-$lib, --with-$lib-include or
2930 # --with-$lib-lib, for one of the libs above, and target is
2931 # different from host, don't pass the current argument to any
2932 # target library's configure.
2933 if test x$is_cross_compiler = xyes; then
2942 --cache-file=/dev/null | \
2943 -cache-file=/dev/null )
2944 # Handled here to avoid the test to skip args below.
2945 baseargs="$baseargs '$ac_arg'"
2946 tbaseargs="$tbaseargs '$ac_arg'"
2947 # Assert: $separate_arg should always be no.
2948 keep_next=$separate_arg
2964 -program-prefix* | \
2965 -program-suffix* | \
2966 -program-transform-name* )
2967 skip_next=$separate_arg
2971 # An option. Add it.
2974 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2976 baseargs="$baseargs '$ac_arg'"
2977 if test X"$skip_targ" = Xno; then
2978 tbaseargs="$tbaseargs '$ac_arg'"
2980 keep_next=$separate_arg
2983 # Either a variable assignment, or a nonopt (triplet). Don't
2984 # pass it down; let the Makefile handle this.
2989 # Remove the initial space we just introduced and, as these will be
2990 # expanded by make, quote '$'.
2991 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2993 # Add in --program-transform-name, after --program-prefix and
2994 # --program-suffix have been applied to it. Autoconf has already
2995 # doubled dollar signs and backslashes in program_transform_name; we want
2996 # the backslashes un-doubled, and then the entire thing wrapped in single
2997 # quotes, because this will be expanded first by make and then by the shell.
2998 # Also, because we want to override the logic in subdir configure scripts to
2999 # choose program_transform_name, replace any s,x,x, with s,y,y,.
3000 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
3001 ${program_transform_name}
3003 gcc_transform_name=`cat conftestsed.out`
3004 rm -f conftestsed.out
3005 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
3006 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
3007 if test "$silent" = yes; then
3008 baseargs="$baseargs --silent"
3009 tbaseargs="$tbaseargs --silent"
3011 baseargs="$baseargs --disable-option-checking"
3012 tbaseargs="$tbaseargs --disable-option-checking"
3014 # Record and document user additions to sub configure arguments.
3015 AC_ARG_VAR([build_configargs],
3016 [additional configure arguments for build directories])
3017 AC_ARG_VAR([host_configargs],
3018 [additional configure arguments for host directories])
3019 AC_ARG_VAR([target_configargs],
3020 [additional configure arguments for target directories])
3022 # For the build-side libraries, we just need to pretend we're native,
3023 # and not use the same cache file. Multilibs are neither needed nor
3024 # desired. We can't even use the same cache file for all build-side
3025 # libraries, as they're compiled differently; some with C, some with
3026 # C++ or with different feature-enabling options.
3027 build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}"
3029 # For host modules, accept cache file option, or specification as blank.
3030 case "${cache_file}" in
3032 cache_file_option="" ;;
3033 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
3034 cache_file_option="--cache-file=${cache_file}" ;;
3036 cache_file_option="--cache-file=../${cache_file}" ;;
3039 # Host dirs don't like to share a cache file either, horribly enough.
3040 # This seems to be due to autoconf 2.5x stupidity.
3041 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
3043 target_configargs="$target_configargs ${tbaseargs}"
3045 # Passing a --with-cross-host argument lets the target libraries know
3046 # whether they are being built with a cross-compiler or being built
3047 # native. However, it would be better to use other mechanisms to make the
3048 # sorts of decisions they want to make on this basis. Please consider
3049 # this option to be deprecated. FIXME.
3050 if test x${is_cross_compiler} = xyes ; then
3051 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
3054 # Special user-friendly check for native x86_64-linux build, if
3055 # multilib is not explicitly enabled.
3056 case "$target:$have_compiler:$host:$target:$enable_multilib" in
3057 x86_64-*linux*:yes:$build:$build:)
3058 # Make sure we have a development environment that handles 32-bit
3060 echo "int main () { return 0; }" > conftest.c
3061 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
3062 if test $? = 0 ; then
3063 if test -s conftest || test -s conftest.exe ; then
3068 if test x${dev64} != xyes ; then
3069 AC_MSG_ERROR([I suspect your system does not have 32-bit development libraries (libc and headers). If you have them, rerun configure with --enable-multilib. If you do not have them, and want to build a 64-bit-only compiler, rerun configure with --disable-multilib.])
3074 # Default to --enable-multilib.
3075 if test x${enable_multilib} = x ; then
3076 target_configargs="--enable-multilib ${target_configargs}"
3079 # Pass --with-newlib if appropriate. Note that target_configdirs has
3080 # changed from the earlier setting of with_newlib.
3081 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
3082 target_configargs="--with-newlib ${target_configargs}"
3085 # Different target subdirs use different values of certain variables
3086 # (notably CXX). Worse, multilibs use *lots* of different values.
3087 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
3088 # it doesn't automatically accept command-line overrides of them.
3089 # This means it's not safe for target subdirs to share a cache file,
3090 # which is disgusting, but there you have it. Hopefully this can be
3091 # fixed in future. It's still worthwhile to use a cache file for each
3092 # directory. I think.
3094 # Pass the appropriate --build, --host, --target and --cache-file arguments.
3095 # We need to pass --target, as newer autoconf's requires consistency
3096 # for target_alias and gcc doesn't manage it consistently.
3097 target_configargs="--cache-file=./config.cache ${target_configargs}"
3100 case " $target_configdirs " in
3102 case " $target_configargs " in
3103 *" --with-newlib "*)
3106 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include'
3110 # If we're not building GCC, don't discard standard headers.
3111 if test -d ${srcdir}/gcc; then
3112 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
3114 if test "${build}" != "${host}"; then
3115 # On Canadian crosses, CC_FOR_TARGET will have already been set
3116 # by `configure', so we won't have an opportunity to add -Bgcc/
3117 # to it. This is right: we don't want to search that directory
3118 # for binaries, but we want the header files in there, so add
3120 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
3122 # Someone might think of using the pre-installed headers on
3123 # Canadian crosses, in case the installed compiler is not fully
3124 # compatible with the compiler being built. In this case, it
3125 # would be better to flag an error than risking having
3126 # incompatible object files being constructed. We can't
3127 # guarantee that an error will be flagged, but let's hope the
3128 # compiler will do it, when presented with incompatible header
3133 case "${target}-${is_cross_compiler}" in
3134 i[[3456789]]86-*-linux*-no)
3135 # Here host == target, so we don't need to build gcc,
3136 # so we don't want to discard standard headers.
3137 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
3140 # If we're building newlib, use its generic headers last, but search
3141 # for any libc-related directories first (so make it the last -B
3143 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
3145 # If we're building libgloss, find the startup file, simulator library
3146 # and linker script.
3147 case " $target_configdirs " in
3149 # Look for startup file, simulator library and maybe linker script.
3150 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
3151 # Look for libnosys.a in case the target needs it.
3152 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
3153 # Most targets have the linker script in the source directory.
3154 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
3165 x86_64-*mingw* | *-w64-mingw*)
3166 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
3167 # however, use a symlink named 'mingw' in ${prefix} .
3168 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
3171 # MinGW can't be handled as Cygwin above since it does not use newlib.
3172 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
3176 # Allow the user to override the flags for
3177 # our build compiler if desired.
3178 if test x"${build}" = x"${host}" ; then
3179 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3180 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3181 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3184 # On Canadian crosses, we'll be searching the right directories for
3185 # the previously-installed cross compiler, so don't bother to add
3186 # flags for directories within the install tree of the compiler
3187 # being built; programs in there won't even run.
3188 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
3189 # Search for pre-installed headers if nothing else fits.
3190 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
3193 if test "x${use_gnu_ld}" = x &&
3194 echo " ${configdirs} " | grep " ld " > /dev/null ; then
3195 # Arrange for us to find uninstalled linker scripts.
3196 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
3199 # Search for other target-specific linker scripts and such.
3202 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3206 # Makefile fragments.
3207 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3209 eval fragval=\$$frag
3210 if test $fragval != /dev/null; then
3211 eval $frag=${srcdir}/$fragval
3214 AC_SUBST_FILE(host_makefile_frag)
3215 AC_SUBST_FILE(target_makefile_frag)
3216 AC_SUBST_FILE(alphaieee_frag)
3217 AC_SUBST_FILE(ospace_frag)
3219 # Miscellanea: directories, flags, etc.
3220 AC_SUBST(RPATH_ENVVAR)
3221 AC_SUBST(GCC_SHLIB_SUBDIR)
3223 AC_SUBST(build_tooldir)
3224 AC_SUBST(CONFIGURE_GDB_TK)
3226 AC_SUBST(INSTALL_GDB_TK)
3228 # Build module lists & subconfigure args.
3229 AC_SUBST(build_configargs)
3230 AC_SUBST(build_configdirs)
3232 # Host module lists & subconfigure args.
3233 AC_SUBST(host_configargs)
3234 AC_SUBST(configdirs)
3235 AC_SUBST(target_configdirs)
3237 # Target module lists & subconfigure args.
3238 AC_SUBST(target_configargs)
3242 AC_SUBST(AR_FOR_BUILD)
3243 AC_SUBST(AS_FOR_BUILD)
3244 AC_SUBST(CC_FOR_BUILD)
3245 AC_SUBST(CFLAGS_FOR_BUILD)
3246 AC_SUBST(CXXFLAGS_FOR_BUILD)
3247 AC_SUBST(CXX_FOR_BUILD)
3248 AC_SUBST(DLLTOOL_FOR_BUILD)
3249 AC_SUBST(GFORTRAN_FOR_BUILD)
3250 AC_SUBST(GOC_FOR_BUILD)
3251 AC_SUBST(LDFLAGS_FOR_BUILD)
3252 AC_SUBST(LD_FOR_BUILD)
3253 AC_SUBST(NM_FOR_BUILD)
3254 AC_SUBST(RANLIB_FOR_BUILD)
3255 AC_SUBST(WINDMC_FOR_BUILD)
3256 AC_SUBST(WINDRES_FOR_BUILD)
3258 # Generate default definitions for YACC, M4, LEX and other programs that run
3259 # on the build machine. These are used if the Makefile can't locate these
3260 # programs in objdir.
3261 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3263 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3264 case " $build_configdirs " in
3265 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3268 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3269 case " $build_configdirs " in
3270 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3273 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3274 case " $build_configdirs " in
3275 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3278 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3279 case " $build_configdirs " in
3280 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3281 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3284 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3285 case " $build_configdirs " in
3286 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3289 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3290 case " $build_configdirs " in
3291 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3294 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3295 # higher, else we use the "missing" dummy.
3296 if ${MAKEINFO} --version \
3297 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3300 MAKEINFO="$MISSING makeinfo"
3306 # FIXME: expect and dejagnu may become build tools?
3308 AC_CHECK_PROGS(EXPECT, expect, expect)
3309 case " $configdirs " in
3311 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3315 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3316 case " $configdirs " in
3318 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3324 NCN_STRICT_CHECK_TOOLS(AR, ar)
3325 NCN_STRICT_CHECK_TOOLS(AS, as)
3326 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3327 NCN_STRICT_CHECK_TOOLS(LD, ld)
3328 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3329 NCN_STRICT_CHECK_TOOLS(NM, nm)
3330 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3331 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3332 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3333 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3334 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3335 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3336 NCN_STRICT_CHECK_TOOLS(READELF, readelf)
3343 AC_ARG_WITH([build-time-tools],
3344 [AS_HELP_STRING([--with-build-time-tools=PATH],
3345 [use given path to find target tools during the build])],
3346 [case x"$withval" in
3349 with_build_time_tools=
3350 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3353 [with_build_time_tools=])
3355 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3356 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3357 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3358 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3359 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3361 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3362 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3363 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3364 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3365 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3366 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3367 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy)
3368 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3369 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3370 ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
3371 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3372 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3373 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3375 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3377 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3378 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3379 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3380 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3381 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3382 [gcc/xg++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ `if test -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags; then $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes; else echo -funconfigured-libstdc++-v3 ; fi` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs],
3384 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3385 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs],
3387 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3388 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3389 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3390 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3391 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3392 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3393 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3394 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3395 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3396 GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy])
3397 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3398 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3399 GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
3400 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3401 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3402 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3404 AC_SUBST(FLAGS_FOR_TARGET)
3405 AC_SUBST(RAW_CXX_FOR_TARGET)
3407 # Certain tools may need extra flags.
3408 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3409 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3410 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3412 # When building target libraries, except in a Canadian cross, we use
3413 # the same toolchain as the compiler we just built.
3414 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3415 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3416 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3417 if test $host = $build; then
3418 case " $configdirs " in
3420 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3421 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3422 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3427 AC_SUBST(COMPILER_AS_FOR_TARGET)
3428 AC_SUBST(COMPILER_LD_FOR_TARGET)
3429 AC_SUBST(COMPILER_NM_FOR_TARGET)
3431 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3432 AC_ARG_ENABLE(maintainer-mode,
3433 [AS_HELP_STRING([--enable-maintainer-mode],
3434 [enable make rules and dependencies not useful
3435 (and sometimes confusing) to the casual installer])],
3436 USE_MAINTAINER_MODE=$enableval,
3437 USE_MAINTAINER_MODE=no)
3438 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3439 AC_SUBST(MAINTAINER_MODE_TRUE)
3440 AC_SUBST(MAINTAINER_MODE_FALSE)
3441 if test "$USE_MAINTAINER_MODE" = yes; then
3442 MAINTAINER_MODE_TRUE=
3443 MAINTAINER_MODE_FALSE='#'
3445 MAINTAINER_MODE_TRUE='#'
3446 MAINTAINER_MODE_FALSE=
3448 MAINT=$MAINTAINER_MODE_TRUE
3451 # ---------------------
3452 # GCC bootstrap support
3453 # ---------------------
3455 # Stage specific cflags for build.
3460 yes) stage1_cflags="-g -Wa,-J" ;;
3461 *) stage1_cflags="-g -J" ;;
3465 AC_SUBST(stage1_cflags)
3467 # Enable --enable-checking in stage1 of the compiler.
3468 AC_ARG_ENABLE(stage1-checking,
3469 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3470 [choose additional checking for stage1 of the compiler])],
3471 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3472 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3473 # For --disable-checking or implicit --enable-checking=release, avoid
3474 # setting --enable-checking=gc in the default stage1 checking for LTO
3475 # bootstraps. See PR62077.
3476 case $BUILD_CONFIG in
3478 stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types;;
3480 stage1_checking=--enable-checking=yes,types;;
3482 if test "x$enable_checking" = x && \
3483 test -d ${srcdir}/gcc && \
3484 test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then
3485 stage1_checking=--enable-checking=yes,types,extra
3488 stage1_checking=--enable-checking=$enable_checking,types
3490 AC_SUBST(stage1_checking)
3492 # Enable -Werror in bootstrap stage2 and later.
3493 AC_ARG_ENABLE(werror,
3494 [AS_HELP_STRING([--enable-werror],
3495 [enable -Werror in bootstrap stage2 and later])],
3497 case ${enable_werror} in
3498 yes) stage2_werror_flag="--enable-werror-always" ;;
3499 *) stage2_werror_flag="" ;;
3503 if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3504 case $BUILD_CONFIG in
3506 stage2_werror_flag="--enable-werror-always" ;;
3508 stage2_werror_flag="--enable-werror-always" ;;
3513 AC_SUBST(stage2_werror_flag)
3515 # Specify what files to not compare during bootstrap.
3517 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3519 hppa*64*-*-hpux*) ;;
3520 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/* | gcc/function-tests.o" ;;
3521 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;;
3523 AC_SUBST(compare_exclusions)
3525 AC_CONFIG_FILES([Makefile],
3526 [sed "$extrasub_build" Makefile |
3527 sed "$extrasub_host" |
3528 sed "$extrasub_target" > mf$$
3529 mv -f mf$$ Makefile],
3530 [extrasub_build="$extrasub_build"
3531 extrasub_host="$extrasub_host"
3532 extrasub_target="$extrasub_target"])