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, 2017 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)
35 AC_DISABLE_OPTION_CHECKING
38 # if PWD already has a value, it is probably wrong.
39 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
41 # Export original configure arguments for use by sub-configures.
42 # Quote arguments with shell meta charatcers.
43 TOPLEVEL_CONFIGURE_ARGUMENTS=
44 set -- "$progname" "$@"
48 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
49 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
50 # if the argument is of the form -foo=baz, quote the baz part only
51 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
54 # Add the quoted argument to the list.
55 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
57 if test "$silent" = yes; then
58 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
60 # Remove the initial space we just introduced and, as these will be
61 # expanded by make, quote '$'.
62 TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
63 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
65 # Find the build, host, and target systems.
66 ACX_NONCANONICAL_BUILD
68 ACX_NONCANONICAL_TARGET
70 dnl Autoconf 2.5x and later will set a default program prefix if
71 dnl --target was used, even if it was the same as --host. Disable
72 dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
74 test "$host_noncanonical" = "$target_noncanonical" &&
75 test "$program_prefix$program_suffix$program_transform_name" = \
77 program_transform_name=s,y,y,
82 m4_pattern_allow([^AS_FOR_TARGET$])dnl
83 m4_pattern_allow([^AS_FOR_BUILD$])dnl
85 # Get 'install' or 'install-sh' and its variants.
92 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
94 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
96 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
97 INSTALL="${srcpwd}/install-sh -c"
100 # Set srcdir to "." if that's what it is.
101 # This is important for multilib support.
103 if test "${pwd}" = "${srcpwd}" ; then
111 ### To add a new directory to the tree, first choose whether it is a target
112 ### or a host dependent tool. Then put it into the appropriate list
113 ### (library or tools, host or target), doing a dependency sort.
115 # Subdirs will be configured in the order listed in build_configdirs,
116 # configdirs, or target_configdirs; see the serialization section below.
118 # Dependency sorting is only needed when *configuration* must be done in
119 # a particular order. In all cases a dependency should be specified in
120 # the Makefile, whether or not it's implicitly specified here.
122 # Double entries in build_configdirs, configdirs, or target_configdirs may
123 # cause circular dependencies and break everything horribly.
125 # these library is used by various programs built for the build
128 build_libs="build-libiberty build-libcpp"
130 # these tools are built for the build environment
131 build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes"
133 # these libraries are used by various programs built for the host environment
135 host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl libelf libiconv"
137 # these tools are built for the host environment
138 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
139 # know that we are building the simulator.
140 # binutils, gas and ld appear in that order because it makes sense to run
141 # "make check" in that particular order.
142 # If --enable-gold is used, "gold" may replace "ld".
143 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"
145 # these libraries are built for the target environment, and are built after
146 # the host libraries and the host tools (which may be a cross compiler)
147 # Note that libiberty is not a target library.
148 target_libraries="target-libgcc \
149 target-libbacktrace \
154 target-liboffloadmic \
157 target-libstdc++-v3 \
158 target-libsanitizer \
169 # these tools are built using the target libraries, and are intended to
170 # run only in the target environment
172 # note: any program that *uses* libraries that are in the "target_libraries"
173 # list belongs in this list.
175 target_tools="target-rda"
177 ################################################################################
179 ## All tools belong in one of the four categories, and are assigned above
180 ## We assign ${configdirs} this way to remove all embedded newlines. This
181 ## is important because configure will choke if they ever get through.
182 ## ${configdirs} is directories we build using the host tools.
183 ## ${target_configdirs} is directories we build using the target tools.
184 configdirs=`echo ${host_libs} ${host_tools}`
185 target_configdirs=`echo ${target_libraries} ${target_tools}`
186 build_configdirs=`echo ${build_libs} ${build_tools}`
188 m4_divert_text([PARSE_ARGS],
191 m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
192 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
193 m4_popdef([AS_MESSAGE_LOG_FD])dnl
196 ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
199 ################################################################################
201 srcname="gnu development package"
203 # This gets set non-empty for some net releases of packages.
206 # Define is_cross_compiler to save on calls to 'test'.
208 if test x"${host}" = x"${target}" ; then
211 is_cross_compiler=yes
214 # Find the build and target subdir names.
216 # Be sure to cover against remnants of an in-tree build.
217 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
218 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
219 Use a pristine source tree when building in a separate tree])
222 # Skipdirs are removed silently.
224 # Noconfigdirs are removed loudly.
228 # Make sure we don't let GNU ld be added if we didn't want it.
229 if test x$with_gnu_ld = xno ; then
231 noconfigdirs="$noconfigdirs ld gold"
235 # Make sure we don't let GNU as be added if we didn't want it.
236 if test x$with_gnu_as = xno ; then
238 noconfigdirs="$noconfigdirs gas"
242 AC_ARG_WITH(system-zlib,
243 [AS_HELP_STRING([--with-system-zlib], [use installed libz])])
244 # Make sure we don't let ZLIB be added if we didn't want it.
245 if test x$with_system_zlib = xyes ; then
247 noconfigdirs="$noconfigdirs zlib"
250 # some tools are so dependent upon X11 that if we're not building with X,
251 # it's not even worth trying to configure, much less build, that tool.
254 yes | "") ;; # the default value for this tree is that X11 is available
256 skipdirs="${skipdirs} tk itcl libgui"
257 # We won't be able to build gdbtk without X.
260 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
263 # Some are only suitable for cross toolchains.
264 # Remove these if host=target.
265 cross_only="target-libgloss target-newlib target-opcodes"
267 case $is_cross_compiler in
268 no) skipdirs="${skipdirs} ${cross_only}" ;;
271 # If both --with-headers and --with-libs are specified, default to
273 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
274 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
275 if test x"${with_newlib}" = x ; then
280 # Recognize --with-newlib/--without-newlib.
281 case ${with_newlib} in
282 no) skipdirs="${skipdirs} target-newlib" ;;
283 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
286 AC_ARG_ENABLE(as-accelerator-for,
287 [AS_HELP_STRING([--enable-as-accelerator-for=ARG],
288 [build as offload target compiler.
289 Specify offload host triple by ARG])])
291 AC_ARG_ENABLE(offload-targets,
292 [AS_HELP_STRING([--enable-offload-targets=LIST],
293 [enable offloading to devices from comma-separated LIST of
294 TARGET[=DIR]. Use optional path to find offload target compiler
297 if test x"$enable_offload_targets" = x; then
298 AC_MSG_ERROR([no offload targets specified])
300 ], [enable_offload_targets=])
302 # Handle --enable-gold, --enable-ld.
303 # --disable-gold [--enable-ld]
304 # Build only ld. Default option.
305 # --enable-gold [--enable-ld]
306 # Build both gold and ld. Install gold as "ld.gold", install ld
307 # as "ld.bfd" and "ld".
308 # --enable-gold=default [--enable-ld]
309 # Build both gold and ld. Install gold as "ld.gold" and "ld",
310 # install ld as "ld.bfd".
311 # --enable-gold[=default] --disable-ld
312 # Build only gold, which is then installed as both "ld.gold" and "ld".
313 # --enable-gold --enable-ld=default
314 # Build both gold (installed as "ld.gold") and ld (installed as "ld"
316 # In other words, ld is default
317 # --enable-gold=default --enable-ld=default
322 [AS_HELP_STRING([[--enable-gold[=ARG]]],
323 [build gold @<:@ARG={default,yes,no}@:>@])],
324 ENABLE_GOLD=$enableval,
326 case "${ENABLE_GOLD}" in
328 # Check for ELF target.
331 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
332 | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
333 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
334 | *-*-solaris2* | *-*-nto* | *-*-nacl* | *-*-fuchsia*)
336 *-*-linux*aout* | *-*-linux*oldld*)
344 if test "$is_elf" = "yes"; then
345 # Check for target supported by gold.
347 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \
348 | aarch64*-*-* | tilegx*-*-* | mips*-*-* | s390*-*-*)
349 configdirs="$configdirs gold"
350 if test x${ENABLE_GOLD} = xdefault; then
361 AC_MSG_ERROR([invalid --enable-gold argument])
366 [AS_HELP_STRING([[--enable-ld[=ARG]]],
367 [build ld @<:@ARG={default,yes,no}@:>@])],
368 ENABLE_LD=$enableval,
371 case "${ENABLE_LD}" in
373 if test x${default_ld} != x; then
374 AC_MSG_ERROR([either gold or ld can be the default ld])
380 if test x${ENABLE_GOLD} != xyes; then
381 AC_MSG_WARN([neither ld nor gold are enabled])
383 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
386 AC_MSG_ERROR([invalid --enable-ld argument])
391 # Decide the default method for compressing debug sections.
392 # Provide a configure time option to override our default.
393 AC_ARG_ENABLE(compressed_debug_sections,
394 [AS_HELP_STRING([--enable-compressed-debug-sections={all,gas,gold,ld,none}],
395 [Enable compressed debug sections for gas, gold or ld by
398 if test x"$enable_compressed_debug_sections" = xyes; then
399 AC_MSG_ERROR([no program with compressed debug sections specified])
401 ], [enable_compressed_debug_sections=])
403 # Configure extra directories which are host specific
407 configdirs="$configdirs libtermcap" ;;
410 # A target can indicate whether a language isn't supported for some reason.
411 # Only spaces may be used in this macro; not newlines or tabs.
412 unsupported_languages=
414 # Remove more programs from consideration, based on the host or
415 # target this usually means that a port of the program doesn't
419 i[[3456789]]86-*-msdosdjgpp*)
420 noconfigdirs="$noconfigdirs tcl tk itcl"
425 AC_ARG_ENABLE(libquadmath,
426 AS_HELP_STRING([--disable-libquadmath],
427 [do not build libquadmath directory]),
428 ENABLE_LIBQUADMATH=$enableval,
429 ENABLE_LIBQUADMATH=yes)
430 if test "${ENABLE_LIBQUADMATH}" = "no" ; then
431 noconfigdirs="$noconfigdirs target-libquadmath"
435 AC_ARG_ENABLE(libquadmath-support,
436 AS_HELP_STRING([--disable-libquadmath-support],
437 [disable libquadmath support for Fortran]),
438 ENABLE_LIBQUADMATH_SUPPORT=$enableval,
439 ENABLE_LIBQUADMATH_SUPPORT=yes)
440 enable_libquadmath_support=
441 if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
442 enable_libquadmath_support=no
446 AC_ARG_ENABLE(libada,
447 [AS_HELP_STRING([--enable-libada], [build libada directory])],
448 ENABLE_LIBADA=$enableval,
450 if test "${ENABLE_LIBADA}" != "yes" ; then
451 noconfigdirs="$noconfigdirs gnattools"
454 AC_ARG_ENABLE(libssp,
455 [AS_HELP_STRING([--enable-libssp], [build libssp directory])],
456 ENABLE_LIBSSP=$enableval,
459 AC_ARG_ENABLE(libstdcxx,
460 AS_HELP_STRING([--disable-libstdcxx],
461 [do not build libstdc++-v3 directory]),
462 ENABLE_LIBSTDCXX=$enableval,
463 ENABLE_LIBSTDCXX=default)
464 [if test "${ENABLE_LIBSTDCXX}" = "no" ; then
465 noconfigdirs="$noconfigdirs target-libstdc++-v3"
468 # If this is accelerator compiler and its target is intelmic we enable
469 # target liboffloadmic by default. If this is compiler with offloading
470 # for intelmic we enable host liboffloadmic by default. Otherwise
471 # liboffloadmic is disabled by default.
472 AC_ARG_ENABLE([liboffloadmic],
473 AC_HELP_STRING([[--enable-liboffloadmic[=ARG]]],
474 [build liboffloadmic @<:@ARG={no,host,target}@:>@]),
475 [case "$enableval" in
477 enable_liboffloadmic=$enableval ;;
479 AC_MSG_ERROR([--enable-liboffloadmic=no/host/target]) ;;
481 [if test x"$enable_as_accelerator_for" != x; then
483 *-intelmic-* | *-intelmicemul-*)
484 enable_liboffloadmic=target
485 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=target"
488 enable_liboffloadmic=no
492 case "${enable_offload_targets}" in
493 *-intelmic-* | *-intelmicemul-*)
494 enable_liboffloadmic=host
495 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=host"
498 enable_liboffloadmic=no
502 AC_SUBST(extra_liboffloadmic_configure_flags)
504 # Enable libgomp by default on hosted POSIX systems, and a few others.
505 if test x$enable_libgomp = x ; then
507 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
509 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
511 *-*-solaris2* | *-*-hpux11*)
513 *-*-darwin* | *-*-aix*)
518 noconfigdirs="$noconfigdirs target-libgomp"
523 # Disable libatomic on unsupported systems.
524 if test -d ${srcdir}/libatomic; then
525 if test x$enable_libatomic = x; then
526 AC_MSG_CHECKING([for libatomic support])
527 if (srcdir=${srcdir}/libatomic; \
528 . ${srcdir}/configure.tgt; \
529 test -n "$UNSUPPORTED")
532 noconfigdirs="$noconfigdirs target-libatomic"
539 # Disable libcilkrts on unsupported systems.
540 if test -d ${srcdir}/libcilkrts; then
541 if test x$enable_libcilkrts = x; then
542 AC_MSG_CHECKING([for libcilkrts support])
543 if (srcdir=${srcdir}/libcilkrts; \
544 . ${srcdir}/configure.tgt; \
545 test -n "$UNSUPPORTED")
548 noconfigdirs="$noconfigdirs target-libcilkrts"
555 # Disable liboffloadmic on unsupported systems.
556 if test -d ${srcdir}/liboffloadmic; then
557 if test x$enable_liboffloadmic != xno; then
558 AC_MSG_CHECKING([for liboffloadmic support])
559 if (srcdir=${srcdir}/liboffloadmic; \
560 . ${srcdir}/configure.tgt; \
561 test -n "$UNSUPPORTED")
564 noconfigdirs="$noconfigdirs target-liboffloadmic"
571 # Disable libitm on unsupported systems.
572 if test -d ${srcdir}/libitm; then
573 if test x$enable_libitm = x; then
574 AC_MSG_CHECKING([for libitm support])
575 if (srcdir=${srcdir}/libitm; \
576 . ${srcdir}/configure.tgt; \
577 test -n "$UNSUPPORTED")
580 noconfigdirs="$noconfigdirs target-libitm"
587 # Disable libsanitizer on unsupported systems.
588 if test -d ${srcdir}/libsanitizer; then
589 if test x$enable_libsanitizer = x; then
590 AC_MSG_CHECKING([for libsanitizer support])
591 if (srcdir=${srcdir}/libsanitizer; \
592 . ${srcdir}/configure.tgt; \
593 test -n "$UNSUPPORTED")
596 noconfigdirs="$noconfigdirs target-libsanitizer"
603 # Disable libvtv on unsupported systems.
604 if test -d ${srcdir}/libvtv; then
605 if test x$enable_libvtv = x; then
606 AC_MSG_CHECKING([for libvtv support])
607 if (srcdir=${srcdir}/libvtv; \
608 . ${srcdir}/configure.tgt; \
609 test "$VTV_SUPPORTED" != "yes")
612 noconfigdirs="$noconfigdirs target-libvtv"
620 # Enable libmpx on supported systems by request.
621 if test -d ${srcdir}/libmpx; then
622 if test x$enable_libmpx = x; then
623 AC_MSG_CHECKING([for libmpx support])
624 if (srcdir=${srcdir}/libmpx; \
625 . ${srcdir}/configure.tgt; \
626 test "$LIBMPX_SUPPORTED" != "yes")
629 noconfigdirs="$noconfigdirs target-libmpx"
638 # Disable libquadmath for some systems.
641 noconfigdirs="$noconfigdirs target-libquadmath"
643 # libquadmath is unused on AIX and libquadmath build process use of
644 # LD_LIBRARY_PATH can break AIX bootstrap.
645 powerpc-*-aix* | rs6000-*-aix*)
646 noconfigdirs="$noconfigdirs target-libquadmath"
650 # Disable libssp for some systems.
653 # No hosted I/O support.
654 noconfigdirs="$noconfigdirs target-libssp"
656 powerpc-*-aix* | rs6000-*-aix*)
657 noconfigdirs="$noconfigdirs target-libssp"
660 # libssp uses a misaligned load to trigger a fault, but the RL78
661 # doesn't fault for those - instead, it gives a build-time error
662 # for explicit misaligned loads.
663 noconfigdirs="$noconfigdirs target-libssp"
666 # No hosted I/O support.
667 noconfigdirs="$noconfigdirs target-libssp"
671 # Disable libstdc++-v3 for some systems.
672 # Allow user to override this if they pass --enable-libstdc++-v3
673 if test "${ENABLE_LIBSTDCXX}" = "default" ; then
676 # VxWorks uses the Dinkumware C++ library.
677 noconfigdirs="$noconfigdirs target-libstdc++-v3"
680 # the C++ libraries don't build on top of CE's C libraries
681 noconfigdirs="$noconfigdirs target-libstdc++-v3"
684 noconfigdirs="$noconfigdirs target-libstdc++-v3"
687 noconfigdirs="$noconfigdirs target-libstdc++-v3"
692 # Disable Fortran for some systems.
695 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
696 unsupported_languages="$unsupported_languages fortran"
700 # Disable libffi for some systems.
704 i[[3456789]]86-*-darwin*)
706 x86_64-*-darwin[[912]]*)
709 noconfigdirs="$noconfigdirs target-libffi"
712 noconfigdirs="$noconfigdirs target-libffi"
715 noconfigdirs="$noconfigdirs target-libffi"
718 noconfigdirs="$noconfigdirs target-libffi"
721 noconfigdirs="$noconfigdirs target-libffi"
724 noconfigdirs="$noconfigdirs target-libffi"
727 noconfigdirs="$noconfigdirs target-libffi"
730 noconfigdirs="$noconfigdirs target-libffi"
733 noconfigdirs="$noconfigdirs target-libffi"
736 noconfigdirs="$noconfigdirs target-libffi"
739 noconfigdirs="$noconfigdirs target-libffi"
742 noconfigdirs="$noconfigdirs target-libffi"
744 cris-*-* | crisv32-*-*)
748 *) # See PR46792 regarding target-libffi.
749 noconfigdirs="$noconfigdirs target-libffi";;
753 noconfigdirs="$noconfigdirs target-libffi"
758 noconfigdirs="$noconfigdirs target-libffi"
761 noconfigdirs="$noconfigdirs target-libffi"
763 i[[3456789]]86-w64-mingw*)
764 noconfigdirs="$noconfigdirs target-libffi"
766 i[[3456789]]86-*-mingw*)
767 noconfigdirs="$noconfigdirs target-libffi"
770 noconfigdirs="$noconfigdirs target-libffi"
773 noconfigdirs="$noconfigdirs target-libffi"
776 # copied from rs6000-*-* entry
777 noconfigdirs="$noconfigdirs target-libffi"
780 noconfigdirs="$noconfigdirs target-libffi"
783 noconfigdirs="$noconfigdirs target-libffi"
786 noconfigdirs="$noconfigdirs target-libffi"
790 # Disable the go frontend on systems where it is known to not work. Please keep
791 # this in sync with contrib/config-list.mk.
793 *-*-darwin* | *-*-cygwin* | *-*-mingw* | *-*-aix*)
794 unsupported_languages="$unsupported_languages go"
798 # Disable libgo for some systems where it is known to not work.
799 # For testing, you can easily override this with --enable-libgo.
800 if test x$enable_libgo = x; then
804 noconfigdirs="$noconfigdirs target-libgo"
806 *-*-cygwin* | *-*-mingw*)
807 noconfigdirs="$noconfigdirs target-libgo"
810 noconfigdirs="$noconfigdirs target-libgo"
815 # Default libgloss CPU subdirectory.
816 libgloss_dir="$target_cpu"
819 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
828 cris-*-* | crisv32-*-*)
837 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
854 # Disable newlib and libgloss for various target OSes.
857 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
859 i[[3456789]]86-*-linux*)
860 # This section makes it possible to build newlib natively on linux.
861 # If we are using a cross compiler then don't configure newlib.
862 if test x${is_cross_compiler} != xno ; then
863 noconfigdirs="$noconfigdirs target-newlib"
865 noconfigdirs="$noconfigdirs target-libgloss"
866 # If we are not using a cross compiler, do configure newlib.
867 # Note however, that newlib will only be configured in this situation
868 # if the --with-newlib option has been given, because otherwise
869 # 'target-newlib' will appear in skipdirs.
871 i[[3456789]]86-*-rdos*)
872 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
874 sh*-*-pe|mips*-*-pe|arm-wince-pe)
875 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
878 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
881 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
884 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
887 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
890 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
893 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
895 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
896 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
899 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
902 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
905 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
908 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
911 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
914 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
917 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
925 noconfigdirs="$noconfigdirs ld gas gdb gprof"
926 noconfigdirs="$noconfigdirs sim target-rda"
929 noconfigdirs="$noconfigdirs ld gas gdb gprof"
930 noconfigdirs="$noconfigdirs sim target-rda"
933 noconfigdirs="$noconfigdirs ld gas gdb gprof"
934 noconfigdirs="$noconfigdirs sim target-rda"
936 i[[3456789]]86-*-darwin*)
937 noconfigdirs="$noconfigdirs ld gprof"
938 noconfigdirs="$noconfigdirs sim target-rda"
940 x86_64-*-darwin[[912]]*)
941 noconfigdirs="$noconfigdirs ld gas gprof"
942 noconfigdirs="$noconfigdirs sim target-rda"
945 noconfigdirs="$noconfigdirs ld gas gdb gprof"
946 noconfigdirs="$noconfigdirs sim target-rda"
951 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
952 && test -f /usr/local/include/gmp.h; then
957 # Remove unsupported stuff on all kaOS configurations.
958 noconfigdirs="$noconfigdirs target-libgloss"
965 noconfigdirs="$noconfigdirs target-libgloss"
968 noconfigdirs="$noconfigdirs target-libgloss"
970 # The tpf target doesn't support gdb yet.
972 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
975 noconfigdirs="$noconfigdirs target-rda"
980 # ld works, but does not support shared libraries.
981 # gas doesn't generate exception information.
982 noconfigdirs="$noconfigdirs gas ld"
985 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
988 # newlib is not 64 bit ready
989 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
991 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
992 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
995 noconfigdirs="$noconfigdirs sim"
998 noconfigdirs="$noconfigdirs target-libgloss"
1001 noconfigdirs="$noconfigdirs ld target-libgloss"
1004 if test x${with_avrlibc} != xno; then
1005 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1008 c4x-*-* | tic4x-*-*)
1009 noconfigdirs="$noconfigdirs target-libgloss"
1012 noconfigdirs="$noconfigdirs target-libgloss gdb"
1015 noconfigdirs="$noconfigdirs target-libgloss"
1018 noconfigdirs="$noconfigdirs gdb"
1021 noconfigdirs="$noconfigdirs gdb"
1024 noconfigdirs="$noconfigdirs target-rda gprof"
1027 noconfigdirs="$noconfigdirs"
1030 noconfigdirs="$noconfigdirs target-libgloss"
1033 noconfigdirs="$noconfigdirs target-libgloss"
1035 hppa1.1-*-osf* | hppa1.1-*-bsd* )
1038 noconfigdirs="$noconfigdirs gdb"
1041 noconfigdirs="$noconfigdirs gdb ld"
1049 hppa*-*-openbsd* | \
1055 noconfigdirs="$noconfigdirs ld"
1058 noconfigdirs="$noconfigdirs gdb"
1061 # No gdb support yet.
1062 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
1065 # No ld support yet.
1066 noconfigdirs="$noconfigdirs gdb libgui itcl ld"
1069 # No ld support yet.
1070 noconfigdirs="$noconfigdirs libgui itcl ld"
1072 i[[3456789]]86-w64-mingw*)
1074 i[[3456789]]86-*-mingw*)
1075 target_configdirs="$target_configdirs target-winsup"
1078 target_configdirs="$target_configdirs target-libtermcap target-winsup"
1079 noconfigdirs="$noconfigdirs target-libgloss"
1080 # always build newlib if winsup directory is present.
1081 if test -d "$srcdir/winsup/cygwin"; then
1082 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1083 elif test -d "$srcdir/newlib"; then
1084 echo "Warning: winsup/cygwin is missing so newlib can't be built."
1087 i[[3456789]]86-*-pe)
1088 noconfigdirs="$noconfigdirs target-libgloss"
1090 i[[3456789]]86-*-sco3.2v5*)
1091 # The linker does not yet know about weak symbols in COFF,
1092 # and is not configured to handle mixed ELF and COFF.
1093 noconfigdirs="$noconfigdirs ld target-libgloss"
1095 i[[3456789]]86-*-sco*)
1096 noconfigdirs="$noconfigdirs gprof target-libgloss"
1098 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
1099 noconfigdirs="$noconfigdirs target-libgloss"
1101 i[[3456789]]86-*-sysv4*)
1102 noconfigdirs="$noconfigdirs target-libgloss"
1104 i[[3456789]]86-*-beos*)
1105 noconfigdirs="$noconfigdirs gdb"
1107 i[[3456789]]86-*-rdos*)
1108 noconfigdirs="$noconfigdirs gdb"
1111 noconfigdirs="$noconfigdirs gdb"
1114 noconfigdirs="$noconfigdirs sim"
1117 # copied from rs6000-*-* entry
1118 noconfigdirs="$noconfigdirs gprof"
1120 powerpc*-*-winnt* | powerpc*-*-pe*)
1121 target_configdirs="$target_configdirs target-winsup"
1122 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
1123 # always build newlib.
1124 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1126 # This is temporary until we can link against shared libraries
1127 powerpcle-*-solaris*)
1128 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
1131 noconfigdirs="$noconfigdirs gdb"
1134 noconfigdirs="$noconfigdirs gprof"
1137 noconfigdirs="$noconfigdirs gprof"
1140 noconfigdirs="$noconfigdirs gprof"
1143 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
1146 noconfigdirs="$noconfigdirs gprof"
1148 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
1149 if test x$with_newlib = xyes; then
1150 noconfigdirs="$noconfigdirs gprof"
1154 noconfigdirs="$noconfigdirs gprof target-libgloss"
1157 noconfigdirs="$noconfigdirs gprof target-libgloss"
1160 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss"
1164 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \
1165 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*)
1166 noconfigdirs="$noconfigdirs ld gas gprof"
1169 noconfigdirs="$noconfigdirs gprof"
1172 noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc"
1179 noconfigdirs="$noconfigdirs target-libgloss" ;;
1183 if test x${is_cross_compiler} = xno ; then
1188 noconfigdirs="$noconfigdirs sim"
1190 tilepro*-*-* | tilegx*-*-*)
1191 noconfigdirs="$noconfigdirs sim"
1194 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
1197 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1201 # If we aren't building newlib, then don't build libgloss, since libgloss
1202 # depends upon some newlib header files.
1203 case "${noconfigdirs}" in
1204 *target-libgloss*) ;;
1205 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1208 # Work in distributions that contain no compiler tools, like Autoconf.
1209 host_makefile_frag=/dev/null
1210 if test -d ${srcdir}/config ; then
1212 i[[3456789]]86-*-msdosdjgpp*)
1213 host_makefile_frag="config/mh-djgpp"
1216 ACX_CHECK_CYGWIN_CAT_WORKS
1217 host_makefile_frag="config/mh-cygwin"
1220 host_makefile_frag="config/mh-mingw"
1223 host_makefile_frag="config/mh-alpha-linux"
1226 host_makefile_frag="config/mh-pa-hpux10"
1229 host_makefile_frag="config/mh-pa"
1232 host_makefile_frag="config/mh-pa"
1235 host_makefile_frag="config/mh-darwin"
1238 host_makefile_frag="config/mh-ppc-aix"
1241 host_makefile_frag="config/mh-ppc-aix"
1246 if test "${build}" != "${host}" ; then
1247 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1248 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1249 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1250 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1251 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1252 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1253 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1254 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1255 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1256 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1257 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1258 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1260 AR_FOR_BUILD="\$(AR)"
1261 AS_FOR_BUILD="\$(AS)"
1262 CC_FOR_BUILD="\$(CC)"
1263 CXX_FOR_BUILD="\$(CXX)"
1264 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1265 GOC_FOR_BUILD="\$(GOC)"
1266 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1267 LD_FOR_BUILD="\$(LD)"
1268 NM_FOR_BUILD="\$(NM)"
1269 RANLIB_FOR_BUILD="\$(RANLIB)"
1270 WINDRES_FOR_BUILD="\$(WINDRES)"
1271 WINDMC_FOR_BUILD="\$(WINDMC)"
1277 # We must set the default linker to the linker used by gcc for the correct
1278 # operation of libtool. If LD is not defined and we are using gcc, try to
1279 # set the LD default to the ld used by gcc.
1280 if test -z "$LD"; then
1281 if test "$GCC" = yes; then
1284 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1286 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1288 case $gcc_prog_ld in
1289 # Accept absolute paths.
1290 [[\\/]* | [A-Za-z]:[\\/]*)]
1291 LD="$gcc_prog_ld" ;;
1296 # Check whether -static-libstdc++ -static-libgcc is supported.
1298 if test "$GCC" = yes; then
1299 saved_LDFLAGS="$LDFLAGS"
1301 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
1302 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
1305 #if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
1306 #error -static-libstdc++ not implemented
1309 [AC_MSG_RESULT([yes]); have_static_libs=yes],
1310 [AC_MSG_RESULT([no])])
1313 LDFLAGS="$saved_LDFLAGS"
1317 ACX_PROG_CMP_IGNORE_INITIAL
1319 AC_ARG_ENABLE([bootstrap],
1320 [AS_HELP_STRING([--enable-bootstrap],
1321 [enable bootstrapping @<:@yes if native build@:>@])],,
1322 enable_bootstrap=default)
1324 # Issue errors and warnings for invalid/strange bootstrap combinations.
1325 if test -r $srcdir/gcc/configure; then
1331 case "$have_compiler:$host:$target:$enable_bootstrap" in
1334 # Default behavior. Enable bootstrap if we have a compiler
1335 # and we are in a native configuration.
1336 yes:$build:$build:default)
1337 enable_bootstrap=yes ;;
1340 enable_bootstrap=no ;;
1342 # We have a compiler and we are in a native configuration, bootstrap is ok
1343 yes:$build:$build:yes)
1346 # Other configurations, but we have a compiler. Assume the user knows
1349 AC_MSG_WARN([trying to bootstrap a cross compiler])
1352 # No compiler: if they passed --enable-bootstrap explicitly, fail
1354 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1356 # Fail if wrong command line
1358 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1362 # When bootstrapping with GCC, build stage 1 in C++98 mode to ensure that a
1363 # C++98 compiler can still start the bootstrap.
1364 if test "$enable_bootstrap:$GXX" = "yes:yes"; then
1365 CXX="$CXX -std=gnu++98"
1368 # Used for setting $lt_cv_objdir
1371 # Check for GMP, MPFR and MPC
1372 gmplibs="-lmpc -lmpfr -lgmp"
1376 # Specify a location for mpc
1377 # check for this first so it ends up on the link line before mpfr.
1379 [AS_HELP_STRING([--with-mpc=PATH],
1380 [specify prefix directory for installed MPC package.
1381 Equivalent to --with-mpc-include=PATH/include
1382 plus --with-mpc-lib=PATH/lib])])
1383 AC_ARG_WITH(mpc-include,
1384 [AS_HELP_STRING([--with-mpc-include=PATH],
1385 [specify directory for installed MPC include files])])
1386 AC_ARG_WITH(mpc-lib,
1387 [AS_HELP_STRING([--with-mpc-lib=PATH],
1388 [specify directory for the installed MPC library])])
1390 if test "x$with_mpc" != x; then
1391 gmplibs="-L$with_mpc/lib $gmplibs"
1392 gmpinc="-I$with_mpc/include $gmpinc"
1394 if test "x$with_mpc_include" != x; then
1395 gmpinc="-I$with_mpc_include $gmpinc"
1397 if test "x$with_mpc_lib" != x; then
1398 gmplibs="-L$with_mpc_lib $gmplibs"
1400 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1401 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1402 gmpinc='-I$$s/mpc/src '"$gmpinc"
1403 # Do not test the mpc version. Assume that it is sufficient, since
1404 # it is in the source tree, and the library has not been built yet
1405 # but it would be included on the link line in the version check below
1406 # hence making the test fail.
1410 # Specify a location for mpfr
1411 # check for this first so it ends up on the link line before gmp.
1412 AC_ARG_WITH(mpfr-dir,
1413 [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1414 [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1415 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1418 [AS_HELP_STRING([--with-mpfr=PATH],
1419 [specify prefix directory for installed MPFR package.
1420 Equivalent to --with-mpfr-include=PATH/include
1421 plus --with-mpfr-lib=PATH/lib])])
1422 AC_ARG_WITH(mpfr-include,
1423 [AS_HELP_STRING([--with-mpfr-include=PATH],
1424 [specify directory for installed MPFR include files])])
1425 AC_ARG_WITH(mpfr-lib,
1426 [AS_HELP_STRING([--with-mpfr-lib=PATH],
1427 [specify directory for the installed MPFR library])])
1429 if test "x$with_mpfr" != x; then
1430 gmplibs="-L$with_mpfr/lib $gmplibs"
1431 gmpinc="-I$with_mpfr/include $gmpinc"
1433 if test "x$with_mpfr_include" != x; then
1434 gmpinc="-I$with_mpfr_include $gmpinc"
1436 if test "x$with_mpfr_lib" != x; then
1437 gmplibs="-L$with_mpfr_lib $gmplibs"
1439 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1440 # MPFR v3.1.0 moved the sources into a src sub-directory.
1441 if ! test -d ${srcdir}/mpfr/src; then
1443 Building GCC with MPFR in the source tree is only handled for MPFR 3.1.0+.])
1445 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
1446 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
1447 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
1448 # Do not test the mpfr version. Assume that it is sufficient, since
1449 # it is in the source tree, and the library has not been built yet
1450 # but it would be included on the link line in the version check below
1451 # hence making the test fail.
1455 # Specify a location for gmp
1456 AC_ARG_WITH(gmp-dir,
1457 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1458 [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1459 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1462 [AS_HELP_STRING([--with-gmp=PATH],
1463 [specify prefix directory for the installed GMP package.
1464 Equivalent to --with-gmp-include=PATH/include
1465 plus --with-gmp-lib=PATH/lib])])
1466 AC_ARG_WITH(gmp-include,
1467 [AS_HELP_STRING([--with-gmp-include=PATH],
1468 [specify directory for installed GMP include files])])
1469 AC_ARG_WITH(gmp-lib,
1470 [AS_HELP_STRING([--with-gmp-lib=PATH],
1471 [specify directory for the installed GMP library])])
1474 if test "x$with_gmp" != x; then
1475 gmplibs="-L$with_gmp/lib $gmplibs"
1476 gmpinc="-I$with_gmp/include $gmpinc"
1478 if test "x$with_gmp_include" != x; then
1479 gmpinc="-I$with_gmp_include $gmpinc"
1481 if test "x$with_gmp_lib" != x; then
1482 gmplibs="-L$with_gmp_lib $gmplibs"
1484 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1485 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1486 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1487 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1488 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1489 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp'
1490 # Do not test the gmp version. Assume that it is sufficient, since
1491 # it is in the source tree, and the library has not been built yet
1492 # but it would be included on the link line in the version check below
1493 # hence making the test fail.
1497 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1499 saved_CFLAGS="$CFLAGS"
1500 CFLAGS="$CFLAGS $gmpinc"
1501 # Check for the recommended and required versions of GMP.
1502 AC_MSG_CHECKING([for the correct version of gmp.h])
1503 AC_TRY_COMPILE([#include "gmp.h"],[
1504 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1505 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1506 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3)
1509 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1510 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1511 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1512 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1515 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1516 [AC_MSG_RESULT([no]); have_gmp=no])
1518 # If we have GMP, check the MPFR version.
1519 if test x"$have_gmp" = xyes; then
1520 # Check for the recommended and required versions of MPFR.
1521 AC_MSG_CHECKING([for the correct version of mpfr.h])
1522 AC_TRY_COMPILE([#include <gmp.h>
1523 #include <mpfr.h>],[
1524 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0)
1527 ], [AC_TRY_COMPILE([#include <gmp.h>
1528 #include <mpfr.h>],[
1529 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1532 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1533 [AC_MSG_RESULT([no]); have_gmp=no])
1536 # Check for the MPC header version.
1537 if test x"$have_gmp" = xyes ; then
1538 # Check for the recommended and required versions of MPC.
1539 AC_MSG_CHECKING([for the correct version of mpc.h])
1540 AC_TRY_COMPILE([#include <mpc.h>],[
1541 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1544 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1545 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1548 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1549 [AC_MSG_RESULT([no]); have_gmp=no])
1552 # Now check the MPFR library.
1553 if test x"$have_gmp" = xyes; then
1555 LIBS="$LIBS $gmplibs"
1556 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1557 AC_TRY_LINK([#include <mpc.h>],[
1564 mpfr_atan2 (n, n, x, GMP_RNDN);
1565 mpfr_erfc (n, x, GMP_RNDN);
1566 mpfr_subnormalize (x, t, GMP_RNDN);
1570 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1571 mpc_cosh (c, c, MPC_RNDNN);
1572 mpc_pow (c, c, c, MPC_RNDNN);
1573 mpc_acosh (c, c, MPC_RNDNN);
1575 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1579 CFLAGS="$saved_CFLAGS"
1581 # The library versions listed in the error message below should match
1582 # the HARD-minimums enforced above.
1583 if test x$have_gmp != xyes; then
1584 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+.
1585 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1586 their locations. Source code for these libraries can be found at
1587 their respective hosting sites as well as at
1588 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1589 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1590 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1591 make sure that you have installed both the libraries and the header
1592 files. They may be located in separate packages.])
1596 # Flags needed for both GMP, MPFR and/or MPC.
1599 AC_SUBST(extra_mpfr_configure_flags)
1600 AC_SUBST(extra_mpc_gmp_configure_flags)
1601 AC_SUBST(extra_mpc_mpfr_configure_flags)
1602 AC_SUBST(extra_isl_gmp_configure_flags)
1604 # Libraries to use for stage1 or when not bootstrapping.
1605 AC_ARG_WITH(stage1-libs,
1606 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1607 [if test "$withval" = "no" -o "$withval" = "yes"; then
1610 stage1_libs=$withval
1613 AC_SUBST(stage1_libs)
1615 # Linker flags to use for stage1 or when not bootstrapping.
1616 AC_ARG_WITH(stage1-ldflags,
1617 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1618 [if test "$withval" = "no" -o "$withval" = "yes"; then
1621 stage1_ldflags=$withval
1624 # In stage 1, default to linking libstdc++ and libgcc statically with GCC
1625 # if supported. But if the user explicitly specified the libraries to use,
1626 # trust that they are doing what they want.
1627 if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then
1628 stage1_ldflags="-static-libstdc++ -static-libgcc"
1630 AC_SUBST(stage1_ldflags)
1632 # Libraries to use for stage2 and later builds.
1633 AC_ARG_WITH(boot-libs,
1634 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
1635 [if test "$withval" = "no" -o "$withval" = "yes"; then
1638 poststage1_libs=$withval
1641 AC_SUBST(poststage1_libs)
1643 # Linker flags to use for stage2 and later builds.
1644 AC_ARG_WITH(boot-ldflags,
1645 [AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1646 [linker flags for stage2 and later])],
1647 [if test "$withval" = "no" -o "$withval" = "yes"; then
1650 poststage1_ldflags=$withval
1652 [poststage1_ldflags=
1653 # In stages 2 and 3, default to linking libstdc++ and libgcc
1654 # statically. But if the user explicitly specified the libraries to
1655 # use, trust that they are doing what they want.
1656 if test "$poststage1_libs" = ""; then
1657 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1659 AC_SUBST(poststage1_ldflags)
1661 # GCC GRAPHITE dependency isl.
1662 # Basic setup is inlined here, actual checks are in config/isl.m4
1667 [Specify prefix directory for the installed isl package.
1668 Equivalent to --with-isl-include=PATH/include
1669 plus --with-isl-lib=PATH/lib])])
1671 # Treat --without-isl as a request to disable
1672 # GRAPHITE support and skip all following checks.
1673 if test "x$with_isl" != "xno"; then
1675 dnl Provide configure switches and initialize islinc & isllibs
1676 dnl with user input.
1678 dnl The versions of isl that work for Graphite
1680 dnl Only execute fail-action, if isl has been requested.
1682 AC_MSG_ERROR([Unable to find a usable isl. See config.log for details.])])
1685 # If the isl check failed, disable builds of in-tree variant of isl
1686 if test "x$with_isl" = xno ||
1687 test "x$gcc_cv_isl" = xno; then
1688 noconfigdirs="$noconfigdirs isl"
1695 # Check for LTO support.
1697 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
1698 enable_lto=$enableval,
1699 enable_lto=yes; default_enable_lto=yes)
1701 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1702 build_lto_plugin=yes
1703 ],[if test x"$default_enable_lto" = x"yes" ; then
1705 *-apple-darwin9* | *-cygwin* | *-mingw* | *djgpp*) ;;
1706 # On other non-ELF platforms, LTO has yet to be validated.
1710 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1711 # It would also be nice to check the binutils support, but we don't
1712 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1713 # warn during gcc/ subconfigure; unless you're bootstrapping with
1714 # -flto it won't be needed until after installation anyway.
1716 *-cygwin* | *-mingw* | *-apple-darwin* | *djgpp*) ;;
1717 *) if test x"$enable_lto" = x"yes"; then
1718 AC_MSG_ERROR([LTO support is not enabled for this target.])
1723 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1724 # Build it unless LTO was explicitly disabled.
1726 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1731 AC_ARG_ENABLE(linker-plugin-configure-flags,
1732 [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]],
1733 [additional flags for configuring linker plugins @<:@none@:>@])],
1734 extra_linker_plugin_configure_flags=$enableval,
1735 extra_linker_plugin_configure_flags=)
1736 AC_SUBST(extra_linker_plugin_configure_flags)
1737 AC_ARG_ENABLE(linker-plugin-flags,
1738 [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]],
1739 [additional flags for configuring and building linker plugins @<:@none@:>@])],
1740 extra_linker_plugin_flags=$enableval,
1741 extra_linker_plugin_flags=)
1742 AC_SUBST(extra_linker_plugin_flags)
1745 # By default, C and C++ are the only stage 1 languages.
1746 stage1_languages=,c,
1748 # Target libraries that we bootstrap.
1749 bootstrap_target_libs=,target-libgcc,
1751 # Figure out what language subdirectories are present.
1752 # Look if the user specified --enable-languages="..."; if not, use
1753 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1755 # NB: embedded tabs in this IF block -- do not untabify
1756 if test -d ${srcdir}/gcc; then
1757 if test x"${enable_languages+set}" != xset; then
1758 if test x"${LANGUAGES+set}" = xset; then
1759 enable_languages="${LANGUAGES}"
1760 echo configure.ac: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1762 enable_languages=all
1765 if test x"${enable_languages}" = x ||
1766 test x"${enable_languages}" = xyes;
1768 echo configure.ac: --enable-languages needs at least one language argument 1>&2
1772 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1774 # 'f95' is the old name for the 'fortran' language. We issue a warning
1775 # and make the substitution.
1776 case ,${enable_languages}, in
1778 echo configure.ac: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1779 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1783 # If bootstrapping, C++ must be enabled.
1784 case ",$enable_languages,:$enable_bootstrap" in
1787 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1788 enable_languages="${enable_languages},c++"
1790 AC_MSG_ERROR([bootstrapping requires c++ sources])
1795 # First scan to see if an enabled language requires some other language.
1796 # We assume that a given config-lang.in will list all the language
1797 # front ends it requires, even if some are required indirectly.
1798 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1799 case ${lang_frag} in
1801 # The odd quoting in the next line works around
1802 # an apparent bug in bash 1.12 on linux.
1803 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1805 # From the config-lang.in, get $language, $lang_requires, and
1806 # $lang_requires_boot_languages.
1809 lang_requires_boot_languages=
1811 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1812 case ,${enable_languages}, in
1816 echo " \`$other' language required by \`$language'; enabling" 1>&2
1817 enable_languages="${enable_languages},${other}"
1821 for other in ${lang_requires_boot_languages} ; do
1822 if test "$other" != "c"; then
1823 case ,${enable_stage1_languages}, in
1827 case ,${enable_languages}, in
1829 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1830 enable_stage1_languages="$enable_stage1_languages,${other}"
1841 new_enable_languages=,c,
1843 # If LTO is enabled, add the LTO front end.
1844 if test "$enable_lto" = "yes" ; then
1845 case ,${enable_languages}, in
1847 *) enable_languages="${enable_languages},lto" ;;
1849 if test "${build_lto_plugin}" = "yes" ; then
1850 configdirs="$configdirs lto-plugin"
1854 # If we're building an offloading compiler, add the LTO front end.
1855 if test x"$enable_as_accelerator_for" != x ; then
1856 case ,${enable_languages}, in
1858 *) enable_languages="${enable_languages},lto" ;;
1862 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1863 potential_languages=,c,
1865 enabled_target_libs=
1866 disabled_target_libs=
1868 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1869 case ${lang_frag} in
1871 # The odd quoting in the next line works around
1872 # an apparent bug in bash 1.12 on linux.
1873 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1875 # From the config-lang.in, get $language, $target_libs,
1876 # $lang_dirs, $boot_language, and $build_by_default
1882 build_by_default=yes
1884 if test x${language} = x; then
1885 echo "${lang_frag} doesn't set \$language." 1>&2
1889 if test "$language" = "c++"; then
1894 case ,${enable_languages}, in
1896 # Language was explicitly selected; include it
1897 # unless it is C, which is enabled by default.
1898 if test "$language" != "c"; then
1903 # 'all' was selected, select it if it is a default language
1904 if test "$language" != "c"; then
1905 add_this_lang=${build_by_default}
1910 # Disable languages that need other directories if these aren't available.
1911 for i in $subdir_requires; do
1912 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1913 case ,${enable_languages}, in
1915 # Specifically requested language; tell them.
1916 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1920 add_this_lang=unsupported
1925 # Disable Ada if no preexisting GNAT is available.
1926 case ,${enable_languages},:${language}:${have_gnat} in
1927 *,${language},*:ada:no)
1928 # Specifically requested language; tell them.
1929 AC_MSG_ERROR([GNAT is required to build $language])
1933 add_this_lang=unsupported
1937 # Disable a language that is unsupported by the target.
1938 case " $unsupported_languages " in
1940 add_this_lang=unsupported
1944 case $add_this_lang in
1946 # Remove language-dependent dirs.
1947 disabled_target_libs="$disabled_target_libs $target_libs"
1948 noconfigdirs="$noconfigdirs $lang_dirs"
1951 # Remove language-dependent dirs; still show language as supported.
1952 disabled_target_libs="$disabled_target_libs $target_libs"
1953 noconfigdirs="$noconfigdirs $lang_dirs"
1954 potential_languages="${potential_languages}${language},"
1957 new_enable_languages="${new_enable_languages}${language},"
1958 potential_languages="${potential_languages}${language},"
1959 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1960 enabled_target_libs="$enabled_target_libs $target_libs"
1961 case "${boot_language}:,$enable_stage1_languages," in
1962 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
1963 # Add to (comma-separated) list of stage 1 languages.
1964 case ",$stage1_languages," in
1965 *,$language,* | ,yes, | ,all,) ;;
1966 *) stage1_languages="${stage1_languages}${language}," ;;
1968 # We need to bootstrap any supporting libraries.
1969 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1978 # Add target libraries which are only needed for disabled languages
1980 if test -n "$disabled_target_libs"; then
1981 for dir in $disabled_target_libs; do
1982 case " $enabled_target_libs " in
1984 *) noconfigdirs="$noconfigdirs $dir" ;;
1989 AC_ARG_ENABLE(stage1-languages,
1990 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
1991 [choose additional languages to build during
1992 stage1. Mostly useful for compiler development])],
1993 [case ,${enable_stage1_languages}, in
1995 # Set it to something that will have no effect in the loop below
1996 enable_stage1_languages=c ;;
1998 enable_stage1_languages=`echo $new_enable_languages | \
1999 sed -e "s/^,//" -e "s/,$//" ` ;;
2001 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
2002 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
2005 # Add "good" languages from enable_stage1_languages to stage1_languages,
2006 # while "bad" languages go in missing_languages. Leave no duplicates.
2007 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
2008 case $potential_languages in
2010 case $stage1_languages in
2012 *) stage1_languages="$stage1_languages$i," ;;
2015 case $missing_languages in
2017 *) missing_languages="$missing_languages$i," ;;
2022 # Remove leading/trailing commas that were added for simplicity
2023 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
2024 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
2025 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
2026 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
2028 if test "x$missing_languages" != x; then
2030 The following requested languages could not be built: ${missing_languages}
2031 Supported languages are: ${potential_languages}])
2033 if test "x$new_enable_languages" != "x$enable_languages"; then
2034 echo The following languages will be built: ${new_enable_languages}
2035 enable_languages="$new_enable_languages"
2038 AC_SUBST(stage1_languages)
2039 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
2042 # Handle --disable-<component> generically.
2043 for dir in $configdirs $build_configdirs $target_configdirs ; do
2044 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
2045 varname=`echo $dirname | sed -e s/+/_/g`
2046 if eval test x\${enable_${varname}} "=" xno ; then
2047 noconfigdirs="$noconfigdirs $dir"
2051 # Check for Boehm's garbage collector
2052 AC_ARG_ENABLE(objc-gc,
2053 [AS_HELP_STRING([--enable-objc-gc],
2054 [enable use of Boehm's garbage collector with the
2055 GNU Objective-C runtime])])
2056 AC_ARG_WITH([target-bdw-gc],
2057 [AS_HELP_STRING([--with-target-bdw-gc=PATHLIST],
2058 [specify prefix directory for installed bdw-gc package.
2059 Equivalent to --with-target-bdw-gc-include=PATH/include
2060 plus --with-target-bdw-gc-lib=PATH/lib])])
2061 AC_ARG_WITH([target-bdw-gc-include],
2062 [AS_HELP_STRING([--with-target-bdw-gc-include=PATHLIST],
2063 [specify directories for installed bdw-gc include files])])
2064 AC_ARG_WITH([target-bdw-gc-lib],
2065 [AS_HELP_STRING([--with-target-bdw-gc-lib=PATHLIST],
2066 [specify directories for installed bdw-gc library])])
2068 case ,${enable_languages},:${enable_objc_gc} in *,objc,*:yes|*,objc,*:auto)
2069 AC_MSG_CHECKING([for bdw garbage collector])
2070 if test "x$with_target_bdw_gc$with_target_bdw_gc_include$with_target_bdw_gc_lib" = x; then
2071 dnl no bdw-gw options, assume default locations
2072 AC_MSG_RESULT([using bdw-gc in default locations])
2074 dnl bdw-gw options, first error checking, complete checking in libobjc
2075 if test "x$with_target_bdw_gc_include" = x && test "x$with_target_bdw_gc_lib" != x; then
2076 AC_MSG_ERROR([found --with-target-bdw-gc-lib but --with-target-bdw-gc-include missing])
2077 elif test "x$with_target_bdw_gc_include" != x && test "x$with_target_bdw_gc_lib" = x; then
2078 AC_MSG_ERROR([found --with-target-bdw-gc-include but --with-target-bdw-gc-lib missing])
2080 AC_MSG_RESULT([using paths configured with --with-target-bdw-gc options])
2085 # Disable libcilkrts, libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++
2086 case ,${enable_languages}, in
2088 # Disable libcilkrts, libitm, libsanitizer if we're not building libstdc++
2089 case "${noconfigdirs}" in
2090 *target-libstdc++-v3*)
2091 noconfigdirs="$noconfigdirs target-libcilkrts target-libitm target-libsanitizer"
2097 noconfigdirs="$noconfigdirs target-libcilkrts target-liboffloadmic target-libitm target-libsanitizer target-libvtv"
2101 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2102 # $build_configdirs and $target_configdirs.
2103 # If we have the source for $noconfigdirs entries, add them to $notsupp.
2106 for dir in . $skipdirs $noconfigdirs ; do
2107 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
2108 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2109 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2110 if test -r $srcdir/$dirname/configure ; then
2111 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2114 notsupp="$notsupp $dir"
2118 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2119 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2120 if test -r $srcdir/$dirname/configure ; then
2121 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2124 notsupp="$notsupp $dir"
2128 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2129 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2130 if test -r $srcdir/$dirname/configure ; then
2131 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2134 notsupp="$notsupp $dir"
2140 # Quietly strip out all directories which aren't configurable in this tree.
2141 # This relies on all configurable subdirectories being autoconfiscated, which
2143 build_configdirs_all="$build_configdirs"
2145 for i in ${build_configdirs_all} ; do
2146 j=`echo $i | sed -e s/build-//g`
2147 if test -f ${srcdir}/$j/configure ; then
2148 build_configdirs="${build_configdirs} $i"
2152 configdirs_all="$configdirs"
2154 for i in ${configdirs_all} ; do
2155 if test -f ${srcdir}/$i/configure ; then
2156 configdirs="${configdirs} $i"
2160 target_configdirs_all="$target_configdirs"
2162 for i in ${target_configdirs_all} ; do
2163 j=`echo $i | sed -e s/target-//g`
2164 if test -f ${srcdir}/$j/configure ; then
2165 target_configdirs="${target_configdirs} $i"
2169 # libiberty-linker-plugin is special: it doesn't have its own source directory,
2170 # so we have to add it after the preceding checks.
2171 if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x
2173 case " $configdirs " in
2175 # If we can build libiberty, we can also build libiberty-linker-plugin.
2176 configdirs="$configdirs libiberty-linker-plugin"
2177 extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \
2178 --with-libiberty=../libiberty-linker-plugin";;
2180 AC_MSG_ERROR([libiberty missing]);;
2184 # Sometimes we have special requirements for the host libiberty.
2185 extra_host_libiberty_configure_flags=
2186 extra_host_zlib_configure_flags=
2187 case " $configdirs " in
2188 *" lto-plugin "* | *" libcc1 "*)
2189 # When these are to be built as shared libraries, the same applies to
2191 extra_host_libiberty_configure_flags=--enable-shared
2194 # When bfd is to be built as a shared library, the same applies to
2196 if test "$enable_shared" = "yes"; then
2197 extra_host_zlib_configure_flags=--enable-host-shared
2201 AC_SUBST(extra_host_libiberty_configure_flags)
2202 AC_SUBST(extra_host_zlib_configure_flags)
2204 # Produce a warning message for the subdirs we can't configure.
2205 # This isn't especially interesting in the Cygnus tree, but in the individual
2206 # FSF releases, it's important to let people know when their machine isn't
2207 # supported by the one or two programs in a package.
2209 if test -n "${notsupp}" && test -z "${norecursion}" ; then
2210 # If $appdirs is non-empty, at least one of those directories must still
2211 # be configured, or we error out. (E.g., if the gas release supports a
2212 # specified target in some subdirs but not the gas subdir, we shouldn't
2213 # pretend that all is well.)
2214 if test -n "$appdirs" ; then
2215 for dir in $appdirs ; do
2216 if test -r $dir/Makefile.in ; then
2217 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2221 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2227 if test -n "$appdirs" ; then
2228 echo "*** This configuration is not supported by this package." 1>&2
2232 # Okay, some application will build, or we don't care to check. Still
2233 # notify of subdirs not getting built.
2234 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2235 echo " ${notsupp}" 1>&2
2236 echo " (Any other directories should still work fine.)" 1>&2
2244 # To find our prefix, in gcc_cv_tool_prefix.
2249 AC_ARG_WITH([build-sysroot],
2250 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2251 [use sysroot as the system root during the build])],
2252 [if test x"$withval" != x ; then
2253 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2255 [SYSROOT_CFLAGS_FOR_TARGET=])
2256 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2258 AC_ARG_WITH([debug-prefix-map],
2259 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2260 [map A to B, C to D ... in debug information])],
2261 [if test x"$withval" != x; then
2262 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2263 for debug_map in $withval; do
2264 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2267 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2268 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2270 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2271 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2272 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2273 # We want to ensure that TARGET libraries (which we know are built with
2274 # gcc) are built with "-O2 -g", so include those options when setting
2275 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2276 if test "x$CFLAGS_FOR_TARGET" = x; then
2277 if test "x${is_cross_compiler}" = xyes; then
2278 CFLAGS_FOR_TARGET="-g -O2"
2280 CFLAGS_FOR_TARGET=$CFLAGS
2283 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;;
2286 *" -g "* | *" -g3 "*) ;;
2287 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;;
2291 AC_SUBST(CFLAGS_FOR_TARGET)
2293 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2294 if test "x${is_cross_compiler}" = xyes; then
2295 CXXFLAGS_FOR_TARGET="-g -O2"
2297 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2298 case " $CXXFLAGS " in
2300 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;;
2302 case " $CXXFLAGS " in
2303 *" -g "* | *" -g3 "*) ;;
2304 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;;
2308 AC_SUBST(CXXFLAGS_FOR_TARGET)
2310 AC_SUBST(LDFLAGS_FOR_TARGET)
2312 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2313 # the named directory are copied to $(tooldir)/sys-include.
2314 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2315 if test x${is_cross_compiler} = xno ; then
2316 echo 1>&2 '***' --with-headers is only supported when cross compiling
2319 if test x"${with_headers}" != xyes ; then
2320 x=${gcc_cv_tool_prefix}
2321 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2325 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2326 # the name directories are copied to $(tooldir)/lib. Multiple directories
2328 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2329 if test x${is_cross_compiler} = xno ; then
2330 echo 1>&2 '***' --with-libs is only supported when cross compiling
2333 if test x"${with_libs}" != xyes ; then
2334 # Copy the libraries in reverse order, so that files in the first named
2335 # library override files in subsequent libraries.
2336 x=${gcc_cv_tool_prefix}
2337 for l in ${with_libs}; do
2338 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2343 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2345 # This is done by determining whether or not the appropriate directory
2346 # is available, and by checking whether or not specific configurations
2347 # have requested that this magic not happen.
2349 # The command line options always override the explicit settings in
2350 # configure.ac, and the settings in configure.ac override this magic.
2352 # If the default for a toolchain is to use GNU as and ld, and you don't
2353 # want to do that, then you should use the --without-gnu-as and
2354 # --without-gnu-ld options for the configure script. Similarly, if
2355 # the default is to use the included zlib and you don't want to do that,
2356 # you should use the --with-system-zlib option for the configure script.
2358 if test x${use_gnu_as} = x &&
2359 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2361 extra_host_args="$extra_host_args --with-gnu-as"
2364 if test x${use_gnu_ld} = x &&
2365 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2367 extra_host_args="$extra_host_args --with-gnu-ld"
2370 if test x${use_included_zlib} = x &&
2371 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2374 with_system_zlib=yes
2375 extra_host_args="$extra_host_args --with-system-zlib"
2378 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2379 # can detect this case.
2381 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2383 extra_host_args="$extra_host_args --with-newlib"
2386 # Handle ${copy_dirs}
2387 set fnord ${copy_dirs}
2389 while test $# != 0 ; do
2390 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2393 echo Copying $1 to $2
2395 # Use the install script to create the directory and all required
2396 # parent directories.
2397 if test -d $2 ; then
2401 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2404 # Copy the directory, assuming we have tar.
2405 # FIXME: Should we use B in the second tar? Not all systems support it.
2406 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2408 # It is the responsibility of the user to correctly adjust all
2409 # symlinks. If somebody can figure out how to handle them correctly
2410 # here, feel free to add the code.
2417 # Determine a target-dependent exec_prefix that the installed
2418 # gcc will search in. Keep this list sorted by triplet, with
2419 # the *-*-osname triplets last.
2422 i[[34567]]86-pc-msdosdjgpp*)
2423 md_exec_prefix=/dev/env/DJDIR/bin
2428 md_exec_prefix=/usr/ccs/bin
2432 extra_arflags_for_target=
2433 extra_nmflags_for_target=
2434 extra_ranlibflags_for_target=
2435 target_makefile_frag=/dev/null
2438 target_makefile_frag="config/mt-spu"
2440 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
2441 target_makefile_frag="config/mt-sde"
2443 mipsisa*-*-elfoabi*)
2444 target_makefile_frag="config/mt-mips-elfoabi"
2446 mips*-*-*linux* | mips*-*-gnu*)
2447 target_makefile_frag="config/mt-mips-gnu"
2450 target_makefile_frag="config/mt-nios2-elf"
2452 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2453 target_makefile_frag="config/mt-gnu"
2455 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2456 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2457 # commands to handle both 32-bit and 64-bit objects. These flags are
2458 # harmless if we're using GNU nm or ar.
2459 extra_arflags_for_target=" -X32_64"
2460 extra_nmflags_for_target=" -B -X32_64"
2464 alphaieee_frag=/dev/null
2467 # This just makes sure to use the -mieee option to build target libs.
2468 # This should probably be set individually by each library.
2469 alphaieee_frag="config/mt-alphaieee"
2473 # If --enable-target-optspace always use -Os instead of -O2 to build
2474 # the target libraries, similarly if it is not specified, use -Os
2475 # on selected platforms.
2476 ospace_frag=/dev/null
2477 case "${enable_target_optspace}:${target}" in
2479 ospace_frag="config/mt-ospace"
2482 ospace_frag="config/mt-d30v"
2484 :m32r-* | :d10v-* | :fr30-* | :i?86*-*-elfiamcu)
2485 ospace_frag="config/mt-ospace"
2490 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2494 # Some systems (e.g., one of the i386-aix systems the gas testers are
2495 # using) don't handle "\$" correctly, so don't use it here.
2496 tooldir='${exec_prefix}'/${target_noncanonical}
2497 build_tooldir=${tooldir}
2499 # Create a .gdbinit file which runs the one in srcdir
2500 # and tells GDB to look there for source files.
2502 if test -r ${srcdir}/.gdbinit ; then
2505 *) cat > ./.gdbinit <<EOF
2509 source ${srcdir}/.gdbinit
2515 # Make sure that the compiler is able to generate an executable. If it
2516 # can't, we are probably in trouble. We don't care whether we can run the
2517 # executable--we might be using a cross compiler--we only care whether it
2518 # can be created. At this point the main configure script has set CC.
2520 echo "int main () { return 0; }" > conftest.c
2521 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2522 if test $? = 0 ; then
2523 if test -s conftest || test -s conftest.exe ; then
2529 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2530 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2537 # Decide which environment variable is used to find dynamic libraries.
2539 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2540 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2541 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2542 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2545 # On systems where the dynamic library environment variable is PATH,
2546 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2547 # built executables to PATH.
2548 if test "$RPATH_ENVVAR" = PATH; then
2549 GCC_SHLIB_SUBDIR=/shlib
2554 # Adjust the toplevel makefile according to whether bootstrap was selected.
2555 case $enable_bootstrap in
2557 bootstrap_suffix=bootstrap
2558 BUILD_CONFIG=bootstrap-debug
2561 bootstrap_suffix=no-bootstrap
2566 AC_MSG_CHECKING(for default BUILD_CONFIG)
2568 AC_ARG_WITH([build-config],
2569 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2570 [use config/NAME.mk build configuration])],
2571 [case $with_build_config in
2572 yes) with_build_config= ;;
2573 no) with_build_config= BUILD_CONFIG= ;;
2576 if test "x${with_build_config}" != x; then
2577 BUILD_CONFIG=$with_build_config
2579 case $BUILD_CONFIG in
2581 if echo "int f (void) { return 0; }" > conftest.c &&
2582 ${CC} -c conftest.c &&
2583 mv conftest.o conftest.o.g0 &&
2584 ${CC} -c -g conftest.c &&
2585 mv conftest.o conftest.o.g &&
2586 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2591 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2595 AC_MSG_RESULT($BUILD_CONFIG)
2596 AC_SUBST(BUILD_CONFIG)
2598 # Use same top-level configure hooks in libgcc/libstdc++/libvtv.
2599 AC_MSG_CHECKING([for --enable-vtable-verify])
2600 AC_ARG_ENABLE(vtable-verify,
2601 [AS_HELP_STRING([--enable-vtable-verify],
2602 [Enable vtable verification feature])],
2603 [case "$enableval" in
2604 yes) enable_vtable_verify=yes ;;
2605 no) enable_vtable_verify=no ;;
2606 *) enable_vtable_verify=no;;
2608 [enable_vtable_verify=no])
2609 AC_MSG_RESULT($enable_vtable_verify)
2611 # Record target_configdirs and the configure arguments for target and
2612 # build configuration in Makefile.
2613 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2614 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2615 bootstrap_fixincludes=no
2617 # If we are building libgomp, bootstrap it.
2618 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2619 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2622 # If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan
2623 # or bootstrap-ubsan, bootstrap it.
2624 if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then
2625 case "$BUILD_CONFIG" in
2626 *bootstrap-asan* | *bootstrap-ubsan* )
2627 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer,
2628 bootstrap_fixincludes=yes
2633 # If we are building libvtv and --enable-vtable-verify, bootstrap it.
2634 if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 &&
2635 test "$enable_vtable_verify" != no; then
2636 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv,
2639 # If we are building libmpx and $BUILD_CONFIG contains bootstrap-mpx,
2641 if echo " ${target_configdirs} " | grep " libmpx " > /dev/null 2>&1; then
2642 case "$BUILD_CONFIG" in
2644 bootstrap_target_libs=${bootstrap_target_libs}target-libmpx,
2649 # Determine whether gdb needs tk/tcl or not.
2650 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2651 # and in that case we want gdb to be built without tk. Ugh!
2652 # In fact I believe gdb is the *only* package directly dependent on tk,
2653 # so we should be able to put the 'maybe's in unconditionally and
2654 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2655 # 100% sure that that's safe though.
2657 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2658 case "$enable_gdbtk" in
2662 GDB_TK="${gdb_tk}" ;;
2664 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2665 # distro. Eventually someone will fix this and move Insight, nee
2666 # gdbtk to a separate directory.
2667 if test -d ${srcdir}/gdb/gdbtk ; then
2674 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2675 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2677 # Strip out unwanted targets.
2679 # While at that, we remove Makefiles if we were started for recursive
2680 # configuration, so that the top-level Makefile reconfigures them,
2681 # like we used to do when configure itself was recursive.
2683 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2684 # but now we're fixing up the Makefile ourselves with the additional
2685 # commands passed to AC_CONFIG_FILES. Use separate variables
2686 # extrasub-{build,host,target} not because there is any reason to split
2687 # the substitutions up that way, but only to remain below the limit of
2688 # 99 commands in a script, for HP-UX sed.
2689 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2691 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2692 yes:yes:*\ gold\ *:*,c++,*) ;;
2693 yes:yes:*\ gold\ *:*)
2694 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2699 for module in ${build_configdirs} ; do
2700 if test -z "${no_recursion}" \
2701 && test -f ${build_subdir}/${module}/Makefile; then
2702 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2703 rm -f ${build_subdir}/${module}/Makefile
2705 extrasub_build="$extrasub_build
2706 /^@if build-$module\$/d
2707 /^@endif build-$module\$/d
2708 /^@if build-$module-$bootstrap_suffix\$/d
2709 /^@endif build-$module-$bootstrap_suffix\$/d"
2712 for module in ${configdirs} ; do
2713 if test -z "${no_recursion}"; then
2714 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2715 if test -f ${file}; then
2716 echo 1>&2 "*** removing ${file} to force reconfigure"
2721 case ${module},${bootstrap_fixincludes} in
2722 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;;
2723 *) host_bootstrap_suffix=$bootstrap_suffix ;;
2725 extrasub_host="$extrasub_host
2727 /^@endif $module\$/d
2728 /^@if $module-$host_bootstrap_suffix\$/d
2729 /^@endif $module-$host_bootstrap_suffix\$/d"
2732 for module in ${target_configdirs} ; do
2733 if test -z "${no_recursion}" \
2734 && test -f ${target_subdir}/${module}/Makefile; then
2735 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2736 rm -f ${target_subdir}/${module}/Makefile
2739 # We only bootstrap target libraries listed in bootstrap_target_libs.
2740 case $bootstrap_target_libs in
2741 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2742 *) target_bootstrap_suffix=no-bootstrap ;;
2745 extrasub_target="$extrasub_target
2746 /^@if target-$module\$/d
2747 /^@endif target-$module\$/d
2748 /^@if target-$module-$target_bootstrap_suffix\$/d
2749 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2752 # Do the final fixup along with target modules.
2753 extrasub_target="$extrasub_target
2754 /^@if /,/^@endif /d"
2756 # Create the serialization dependencies. This uses a temporary file.
2758 AC_ARG_ENABLE([serial-configure],
2759 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2760 [force sequential configuration of
2761 sub-packages for the host, target or build
2762 machine, or all sub-packages])])
2764 case ${enable_serial_configure} in
2766 enable_serial_build_configure=yes
2767 enable_serial_host_configure=yes
2768 enable_serial_target_configure=yes
2772 # These force 'configure's to be done one at a time, to avoid problems
2773 # with contention over a shared config.cache.
2775 echo '# serdep.tmp' > serdep.tmp
2777 test "x${enable_serial_build_configure}" = xyes &&
2778 for item in ${build_configdirs} ; do
2781 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2786 test "x${enable_serial_host_configure}" = xyes &&
2787 for item in ${configdirs} ; do
2790 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2795 test "x${enable_serial_target_configure}" = xyes &&
2796 for item in ${target_configdirs} ; do
2799 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2803 serialization_dependencies=serdep.tmp
2804 AC_SUBST_FILE(serialization_dependencies)
2806 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2807 # target, nonopt, and variable assignments. These are the ones we
2808 # might not want to pass down to subconfigures. The exception being
2809 # --cache-file=/dev/null, which is used to turn off the use of cache
2810 # files altogether, and which should be passed on to subconfigures.
2811 # Also strip program-prefix, program-suffix, and program-transform-name,
2812 # so that we can pass down a consistent program-transform-name.
2817 eval "set -- $ac_configure_args"
2820 if test X"$skip_next" = X"yes"; then
2824 if test X"$keep_next" = X"yes"; then
2827 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2829 baseargs="$baseargs '$ac_arg'"
2830 tbaseargs="$tbaseargs '$ac_arg'"
2835 # Handle separated arguments. Based on the logic generated by
2838 *=* | --config-cache | -C | -disable-* | --disable-* \
2839 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2840 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2841 | -with-* | --with-* | -without-* | --without-* | --x)
2855 --with-* | --without-*)
2856 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2860 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2863 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2872 mpc | mpfr | gmp | isl)
2873 # If we're processing --with-$lib, --with-$lib-include or
2874 # --with-$lib-lib, for one of the libs above, and target is
2875 # different from host, don't pass the current argument to any
2876 # target library's configure.
2877 if test x$is_cross_compiler = xyes; then
2886 --cache-file=/dev/null | \
2887 -cache-file=/dev/null )
2888 # Handled here to avoid the test to skip args below.
2889 baseargs="$baseargs '$ac_arg'"
2890 tbaseargs="$tbaseargs '$ac_arg'"
2891 # Assert: $separate_arg should always be no.
2892 keep_next=$separate_arg
2908 -program-prefix* | \
2909 -program-suffix* | \
2910 -program-transform-name* )
2911 skip_next=$separate_arg
2915 # An option. Add it.
2918 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2920 baseargs="$baseargs '$ac_arg'"
2921 if test X"$skip_targ" = Xno; then
2922 tbaseargs="$tbaseargs '$ac_arg'"
2924 keep_next=$separate_arg
2927 # Either a variable assignment, or a nonopt (triplet). Don't
2928 # pass it down; let the Makefile handle this.
2933 # Remove the initial space we just introduced and, as these will be
2934 # expanded by make, quote '$'.
2935 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2937 # Add in --program-transform-name, after --program-prefix and
2938 # --program-suffix have been applied to it. Autoconf has already
2939 # doubled dollar signs and backslashes in program_transform_name; we want
2940 # the backslashes un-doubled, and then the entire thing wrapped in single
2941 # quotes, because this will be expanded first by make and then by the shell.
2942 # Also, because we want to override the logic in subdir configure scripts to
2943 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2944 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2945 ${program_transform_name}
2947 gcc_transform_name=`cat conftestsed.out`
2948 rm -f conftestsed.out
2949 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2950 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2951 if test "$silent" = yes; then
2952 baseargs="$baseargs --silent"
2953 tbaseargs="$tbaseargs --silent"
2955 baseargs="$baseargs --disable-option-checking"
2956 tbaseargs="$tbaseargs --disable-option-checking"
2958 # Record and document user additions to sub configure arguments.
2959 AC_ARG_VAR([build_configargs],
2960 [additional configure arguments for build directories])
2961 AC_ARG_VAR([host_configargs],
2962 [additional configure arguments for host directories])
2963 AC_ARG_VAR([target_configargs],
2964 [additional configure arguments for target directories])
2966 # For the build-side libraries, we just need to pretend we're native,
2967 # and not use the same cache file. Multilibs are neither needed nor
2968 # desired. We can't even use the same cache file for all build-side
2969 # libraries, as they're compiled differently; some with C, some with
2970 # C++ or with different feature-enabling options.
2971 build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}"
2973 # For host modules, accept cache file option, or specification as blank.
2974 case "${cache_file}" in
2976 cache_file_option="" ;;
2977 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2978 cache_file_option="--cache-file=${cache_file}" ;;
2980 cache_file_option="--cache-file=../${cache_file}" ;;
2983 # Host dirs don't like to share a cache file either, horribly enough.
2984 # This seems to be due to autoconf 2.5x stupidity.
2985 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
2987 target_configargs="$target_configargs ${tbaseargs}"
2989 # Passing a --with-cross-host argument lets the target libraries know
2990 # whether they are being built with a cross-compiler or being built
2991 # native. However, it would be better to use other mechanisms to make the
2992 # sorts of decisions they want to make on this basis. Please consider
2993 # this option to be deprecated. FIXME.
2994 if test x${is_cross_compiler} = xyes ; then
2995 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2998 # Special user-friendly check for native x86_64-linux build, if
2999 # multilib is not explicitly enabled.
3000 case "$target:$have_compiler:$host:$target:$enable_multilib" in
3001 x86_64-*linux*:yes:$build:$build:)
3002 # Make sure we have a development environment that handles 32-bit
3004 echo "int main () { return 0; }" > conftest.c
3005 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
3006 if test $? = 0 ; then
3007 if test -s conftest || test -s conftest.exe ; then
3012 if test x${dev64} != xyes ; then
3013 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.])
3018 # Default to --enable-multilib.
3019 if test x${enable_multilib} = x ; then
3020 target_configargs="--enable-multilib ${target_configargs}"
3023 # Pass --with-newlib if appropriate. Note that target_configdirs has
3024 # changed from the earlier setting of with_newlib.
3025 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
3026 target_configargs="--with-newlib ${target_configargs}"
3029 # Different target subdirs use different values of certain variables
3030 # (notably CXX). Worse, multilibs use *lots* of different values.
3031 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
3032 # it doesn't automatically accept command-line overrides of them.
3033 # This means it's not safe for target subdirs to share a cache file,
3034 # which is disgusting, but there you have it. Hopefully this can be
3035 # fixed in future. It's still worthwhile to use a cache file for each
3036 # directory. I think.
3038 # Pass the appropriate --build, --host, --target and --cache-file arguments.
3039 # We need to pass --target, as newer autoconf's requires consistency
3040 # for target_alias and gcc doesn't manage it consistently.
3041 target_configargs="--cache-file=./config.cache ${target_configargs}"
3044 case " $target_configdirs " in
3046 case " $target_configargs " in
3047 *" --with-newlib "*)
3050 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include'
3054 # If we're not building GCC, don't discard standard headers.
3055 if test -d ${srcdir}/gcc; then
3056 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
3058 if test "${build}" != "${host}"; then
3059 # On Canadian crosses, CC_FOR_TARGET will have already been set
3060 # by `configure', so we won't have an opportunity to add -Bgcc/
3061 # to it. This is right: we don't want to search that directory
3062 # for binaries, but we want the header files in there, so add
3064 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
3066 # Someone might think of using the pre-installed headers on
3067 # Canadian crosses, in case the installed compiler is not fully
3068 # compatible with the compiler being built. In this case, it
3069 # would be better to flag an error than risking having
3070 # incompatible object files being constructed. We can't
3071 # guarantee that an error will be flagged, but let's hope the
3072 # compiler will do it, when presented with incompatible header
3077 case "${target}-${is_cross_compiler}" in
3078 i[[3456789]]86-*-linux*-no)
3079 # Here host == target, so we don't need to build gcc,
3080 # so we don't want to discard standard headers.
3081 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
3084 # If we're building newlib, use its generic headers last, but search
3085 # for any libc-related directories first (so make it the last -B
3087 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
3089 # If we're building libgloss, find the startup file, simulator library
3090 # and linker script.
3091 case " $target_configdirs " in
3093 # Look for startup file, simulator library and maybe linker script.
3094 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
3095 # Look for libnosys.a in case the target needs it.
3096 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
3097 # Most targets have the linker script in the source directory.
3098 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
3109 x86_64-*mingw* | *-w64-mingw*)
3110 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
3111 # however, use a symlink named 'mingw' in ${prefix} .
3112 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
3115 # MinGW can't be handled as Cygwin above since it does not use newlib.
3116 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
3120 # Allow the user to override the flags for
3121 # our build compiler if desired.
3122 if test x"${build}" = x"${host}" ; then
3123 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3124 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3125 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3128 # On Canadian crosses, we'll be searching the right directories for
3129 # the previously-installed cross compiler, so don't bother to add
3130 # flags for directories within the install tree of the compiler
3131 # being built; programs in there won't even run.
3132 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
3133 # Search for pre-installed headers if nothing else fits.
3134 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
3137 if test "x${use_gnu_ld}" = x &&
3138 echo " ${configdirs} " | grep " ld " > /dev/null ; then
3139 # Arrange for us to find uninstalled linker scripts.
3140 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
3143 # Search for other target-specific linker scripts and such.
3146 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3150 # Makefile fragments.
3151 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3153 eval fragval=\$$frag
3154 if test $fragval != /dev/null; then
3155 eval $frag=${srcdir}/$fragval
3158 AC_SUBST_FILE(host_makefile_frag)
3159 AC_SUBST_FILE(target_makefile_frag)
3160 AC_SUBST_FILE(alphaieee_frag)
3161 AC_SUBST_FILE(ospace_frag)
3163 # Miscellanea: directories, flags, etc.
3164 AC_SUBST(RPATH_ENVVAR)
3165 AC_SUBST(GCC_SHLIB_SUBDIR)
3167 AC_SUBST(build_tooldir)
3168 AC_SUBST(CONFIGURE_GDB_TK)
3170 AC_SUBST(INSTALL_GDB_TK)
3172 # Build module lists & subconfigure args.
3173 AC_SUBST(build_configargs)
3174 AC_SUBST(build_configdirs)
3176 # Host module lists & subconfigure args.
3177 AC_SUBST(host_configargs)
3178 AC_SUBST(configdirs)
3179 AC_SUBST(target_configdirs)
3181 # Target module lists & subconfigure args.
3182 AC_SUBST(target_configargs)
3186 AC_SUBST(AR_FOR_BUILD)
3187 AC_SUBST(AS_FOR_BUILD)
3188 AC_SUBST(CC_FOR_BUILD)
3189 AC_SUBST(CFLAGS_FOR_BUILD)
3190 AC_SUBST(CXXFLAGS_FOR_BUILD)
3191 AC_SUBST(CXX_FOR_BUILD)
3192 AC_SUBST(DLLTOOL_FOR_BUILD)
3193 AC_SUBST(GFORTRAN_FOR_BUILD)
3194 AC_SUBST(GOC_FOR_BUILD)
3195 AC_SUBST(LDFLAGS_FOR_BUILD)
3196 AC_SUBST(LD_FOR_BUILD)
3197 AC_SUBST(NM_FOR_BUILD)
3198 AC_SUBST(RANLIB_FOR_BUILD)
3199 AC_SUBST(WINDMC_FOR_BUILD)
3200 AC_SUBST(WINDRES_FOR_BUILD)
3202 # Generate default definitions for YACC, M4, LEX and other programs that run
3203 # on the build machine. These are used if the Makefile can't locate these
3204 # programs in objdir.
3205 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3207 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3208 case " $build_configdirs " in
3209 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3212 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3213 case " $build_configdirs " in
3214 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3217 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3218 case " $build_configdirs " in
3219 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3222 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3223 case " $build_configdirs " in
3224 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3225 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3228 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3229 case " $build_configdirs " in
3230 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3233 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3234 case " $build_configdirs " in
3235 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3238 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3239 # higher, else we use the "missing" dummy.
3240 if ${MAKEINFO} --version \
3241 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3244 MAKEINFO="$MISSING makeinfo"
3250 # FIXME: expect and dejagnu may become build tools?
3252 AC_CHECK_PROGS(EXPECT, expect, expect)
3253 case " $configdirs " in
3255 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3259 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3260 case " $configdirs " in
3262 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3268 NCN_STRICT_CHECK_TOOLS(AR, ar)
3269 NCN_STRICT_CHECK_TOOLS(AS, as)
3270 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3271 NCN_STRICT_CHECK_TOOLS(LD, ld)
3272 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3273 NCN_STRICT_CHECK_TOOLS(NM, nm)
3274 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3275 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3276 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3277 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3278 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3279 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3280 NCN_STRICT_CHECK_TOOLS(READELF, readelf)
3287 AC_ARG_WITH([build-time-tools],
3288 [AS_HELP_STRING([--with-build-time-tools=PATH],
3289 [use given path to find target tools during the build])],
3290 [case x"$withval" in
3293 with_build_time_tools=
3294 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3297 [with_build_time_tools=])
3299 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3300 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3301 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3302 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3303 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3305 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3306 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3307 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3308 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3309 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3310 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3311 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy)
3312 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3313 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3314 ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
3315 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3316 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3317 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3319 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3321 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3322 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3323 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3324 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3325 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3326 [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],
3328 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3329 [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],
3331 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3332 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3333 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3334 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3335 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3336 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3337 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3338 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3339 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3340 GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy])
3341 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3342 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3343 GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
3344 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3345 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3346 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3348 AC_SUBST(FLAGS_FOR_TARGET)
3349 AC_SUBST(RAW_CXX_FOR_TARGET)
3351 # Certain tools may need extra flags.
3352 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3353 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3354 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3356 # When building target libraries, except in a Canadian cross, we use
3357 # the same toolchain as the compiler we just built.
3358 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3359 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3360 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3361 if test $host = $build; then
3362 case " $configdirs " in
3364 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3365 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3366 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3371 AC_SUBST(COMPILER_AS_FOR_TARGET)
3372 AC_SUBST(COMPILER_LD_FOR_TARGET)
3373 AC_SUBST(COMPILER_NM_FOR_TARGET)
3375 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3376 AC_ARG_ENABLE(maintainer-mode,
3377 [AS_HELP_STRING([--enable-maintainer-mode],
3378 [enable make rules and dependencies not useful
3379 (and sometimes confusing) to the casual installer])],
3380 USE_MAINTAINER_MODE=$enableval,
3381 USE_MAINTAINER_MODE=no)
3382 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3383 AC_SUBST(MAINTAINER_MODE_TRUE)
3384 AC_SUBST(MAINTAINER_MODE_FALSE)
3385 if test "$USE_MAINTAINER_MODE" = yes; then
3386 MAINTAINER_MODE_TRUE=
3387 MAINTAINER_MODE_FALSE='#'
3389 MAINTAINER_MODE_TRUE='#'
3390 MAINTAINER_MODE_FALSE=
3392 MAINT=$MAINTAINER_MODE_TRUE
3395 # ---------------------
3396 # GCC bootstrap support
3397 # ---------------------
3399 # Stage specific cflags for build.
3404 yes) stage1_cflags="-g -Wa,-J" ;;
3405 *) stage1_cflags="-g -J" ;;
3409 AC_SUBST(stage1_cflags)
3411 # Enable --enable-checking in stage1 of the compiler.
3412 AC_ARG_ENABLE(stage1-checking,
3413 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3414 [choose additional checking for stage1 of the compiler])],
3415 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3416 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3417 # For --disable-checking or implicit --enable-checking=release, avoid
3418 # setting --enable-checking=gc in the default stage1 checking for LTO
3419 # bootstraps. See PR62077.
3420 case $BUILD_CONFIG in
3422 stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types;;
3424 stage1_checking=--enable-checking=yes,types;;
3426 if test "x$enable_checking" = x && \
3427 test -d ${srcdir}/gcc && \
3428 test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then
3429 stage1_checking=--enable-checking=yes,types,extra
3432 stage1_checking=--enable-checking=$enable_checking,types
3434 AC_SUBST(stage1_checking)
3436 # Enable -Werror in bootstrap stage2 and later.
3437 AC_ARG_ENABLE(werror,
3438 [AS_HELP_STRING([--enable-werror],
3439 [enable -Werror in bootstrap stage2 and later])], [],
3440 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3445 case ${enable_werror} in
3446 yes) stage2_werror_flag="--enable-werror-always" ;;
3447 *) stage2_werror_flag="" ;;
3449 AC_SUBST(stage2_werror_flag)
3451 # Enable --enable-host-shared.
3452 AC_ARG_ENABLE(host-shared,
3453 [AS_HELP_STRING([--enable-host-shared],
3454 [build host code as shared libraries])],
3455 [host_shared=$enableval], [host_shared=no])
3456 AC_SUBST(host_shared)
3458 # PR jit/64780: Require the user to explicitly specify
3459 # --enable-host-shared if the jit is enabled, hinting
3460 # that they might want to do a separate configure/build of
3461 # the jit, to avoid users from slowing down the rest of the
3462 # compiler by enabling the jit.
3463 if test ${host_shared} = "no" ; then
3464 case "${enable_languages}" in
3467 Enabling language "jit" requires --enable-host-shared.
3469 --enable-host-shared typically slows the rest of the compiler down by
3470 a few %, so you must explicitly enable it.
3472 If you want to build both the jit and the regular compiler, it is often
3473 best to do this via two separate configure/builds, in separate
3474 directories, to avoid imposing the performance cost of
3475 --enable-host-shared on the regular compiler.])
3482 # Specify what files to not compare during bootstrap.
3484 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3486 hppa*64*-*-hpux*) ;;
3487 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3488 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;;
3490 AC_SUBST(compare_exclusions)
3492 AC_CONFIG_FILES([Makefile],
3493 [sed "$extrasub_build" Makefile |
3494 sed "$extrasub_host" |
3495 sed "$extrasub_target" > mf$$
3496 mv -f mf$$ Makefile],
3497 [extrasub_build="$extrasub_build"
3498 extrasub_host="$extrasub_host"
3499 extrasub_target="$extrasub_target"])