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 Free Software Foundation, Inc.
5 # This file is free software; you can redistribute it and/or modify it
6 # under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; either version 3 of the License, or
8 # (at your option) any later version.
10 # This program is distributed in the hope that it will be useful, but
11 # WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 # General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program; see the file COPYING3. If not see
17 # <http://www.gnu.org/licenses/>.
19 ##############################################################################
20 ### WARNING: this file contains embedded tabs. Do not run untabify on this file.
22 m4_include(config/acx.m4)
23 m4_include(config/override.m4)
24 m4_include(config/proginstall.m4)
25 m4_include(config/elf.m4)
26 m4_include([libtool.m4])
27 m4_include([ltoptions.m4])
28 m4_include([ltsugar.m4])
29 m4_include([ltversion.m4])
30 m4_include([lt~obsolete.m4])
31 m4_include([config/isl.m4])
33 AC_INIT(move-if-change)
34 AC_DISABLE_OPTION_CHECKING
37 # if PWD already has a value, it is probably wrong.
38 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
40 # Export original configure arguments for use by sub-configures.
41 # Quote arguments with shell meta charatcers.
42 TOPLEVEL_CONFIGURE_ARGUMENTS=
43 set -- "$progname" "$@"
47 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
48 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
49 # if the argument is of the form -foo=baz, quote the baz part only
50 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
53 # Add the quoted argument to the list.
54 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
56 if test "$silent" = yes; then
57 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
59 # Remove the initial space we just introduced and, as these will be
60 # expanded by make, quote '$'.
61 TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
62 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
64 # Find the build, host, and target systems.
65 ACX_NONCANONICAL_BUILD
67 ACX_NONCANONICAL_TARGET
69 dnl Autoconf 2.5x and later will set a default program prefix if
70 dnl --target was used, even if it was the same as --host. Disable
71 dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
73 test "$host_noncanonical" = "$target_noncanonical" &&
74 test "$program_prefix$program_suffix$program_transform_name" = \
76 program_transform_name=s,y,y,
81 m4_pattern_allow([^AS_FOR_TARGET$])dnl
82 m4_pattern_allow([^AS_FOR_BUILD$])dnl
84 # Get 'install' or 'install-sh' and its variants.
91 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
93 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
95 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
96 INSTALL="${srcpwd}/install-sh -c"
99 # Set srcdir to "." if that's what it is.
100 # This is important for multilib support.
102 if test "${pwd}" = "${srcpwd}" ; then
110 ### To add a new directory to the tree, first choose whether it is a target
111 ### or a host dependent tool. Then put it into the appropriate list
112 ### (library or tools, host or target), doing a dependency sort.
114 # Subdirs will be configured in the order listed in build_configdirs,
115 # configdirs, or target_configdirs; see the serialization section below.
117 # Dependency sorting is only needed when *configuration* must be done in
118 # a particular order. In all cases a dependency should be specified in
119 # the Makefile, whether or not it's implicitly specified here.
121 # Double entries in build_configdirs, configdirs, or target_configdirs may
122 # cause circular dependencies and break everything horribly.
124 # these library is used by various programs built for the build
127 build_libs="build-libiberty build-libcpp"
129 # these tools are built for the build environment
130 build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes"
132 # these libraries are used by various programs built for the host environment
134 host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl libelf libiconv"
136 # these tools are built for the host environment
137 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
138 # know that we are building the simulator.
139 # binutils, gas and ld appear in that order because it makes sense to run
140 # "make check" in that particular order.
141 # If --enable-gold is used, "gold" may replace "ld".
142 host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gprof etc expect dejagnu m4 utils guile fastjar gnattools libcc1 gotools"
144 # these libraries are built for the target environment, and are built after
145 # the host libraries and the host tools (which may be a cross compiler)
146 # Note that libiberty is not a target library.
147 target_libraries="target-libgcc \
148 target-libbacktrace \
152 target-liboffloadmic \
156 target-libstdc++-v3 \
157 target-libsanitizer \
167 # these tools are built using the target libraries, and are intended to
168 # run only in the target environment
170 # note: any program that *uses* libraries that are in the "target_libraries"
171 # list belongs in this list.
173 target_tools="target-rda"
175 ################################################################################
177 ## All tools belong in one of the four categories, and are assigned above
178 ## We assign ${configdirs} this way to remove all embedded newlines. This
179 ## is important because configure will choke if they ever get through.
180 ## ${configdirs} is directories we build using the host tools.
181 ## ${target_configdirs} is directories we build using the target tools.
182 configdirs=`echo ${host_libs} ${host_tools}`
183 target_configdirs=`echo ${target_libraries} ${target_tools}`
184 build_configdirs=`echo ${build_libs} ${build_tools}`
186 m4_divert_text([PARSE_ARGS],
189 m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
190 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
191 m4_popdef([AS_MESSAGE_LOG_FD])dnl
194 ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
197 ################################################################################
199 srcname="gnu development package"
201 # This gets set non-empty for some net releases of packages.
204 # Define is_cross_compiler to save on calls to 'test'.
206 if test x"${host}" = x"${target}" ; then
209 is_cross_compiler=yes
212 # Find the build and target subdir names.
214 # Be sure to cover against remnants of an in-tree build.
215 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
216 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
217 Use a pristine source tree when building in a separate tree])
220 # Skipdirs are removed silently.
222 # Noconfigdirs are removed loudly.
226 # Make sure we don't let GNU ld be added if we didn't want it.
227 if test x$with_gnu_ld = xno ; then
229 noconfigdirs="$noconfigdirs ld gold"
233 # Make sure we don't let GNU as be added if we didn't want it.
234 if test x$with_gnu_as = xno ; then
236 noconfigdirs="$noconfigdirs gas"
240 AC_ARG_WITH(system-zlib,
241 [AS_HELP_STRING([--with-system-zlib], [use installed libz])])
242 # Make sure we don't let ZLIB be added if we didn't want it.
243 if test x$with_system_zlib = xyes ; then
245 noconfigdirs="$noconfigdirs zlib"
248 # some tools are so dependent upon X11 that if we're not building with X,
249 # it's not even worth trying to configure, much less build, that tool.
252 yes | "") ;; # the default value for this tree is that X11 is available
254 skipdirs="${skipdirs} tk itcl libgui"
255 # We won't be able to build gdbtk without X.
258 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
261 # Some are only suitable for cross toolchains.
262 # Remove these if host=target.
263 cross_only="target-libgloss target-newlib target-opcodes"
265 case $is_cross_compiler in
266 no) skipdirs="${skipdirs} ${cross_only}" ;;
269 # If both --with-headers and --with-libs are specified, default to
271 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
272 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
273 if test x"${with_newlib}" = x ; then
278 # Recognize --with-newlib/--without-newlib.
279 case ${with_newlib} in
280 no) skipdirs="${skipdirs} target-newlib" ;;
281 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
284 AC_ARG_ENABLE(as-accelerator-for,
285 [AS_HELP_STRING([--enable-as-accelerator-for=ARG],
286 [build as offload target compiler.
287 Specify offload host triple by ARG])])
289 AC_ARG_ENABLE(offload-targets,
290 [AS_HELP_STRING([--enable-offload-targets=LIST],
291 [enable offloading to devices from comma-separated LIST of
292 TARGET[=DIR]. Use optional path to find offload target compiler
295 if test x"$enable_offload_targets" = x; then
296 AC_MSG_ERROR([no offload targets specified])
298 ], [enable_offload_targets=])
300 # Handle --enable-gold, --enable-ld.
301 # --disable-gold [--enable-ld]
302 # Build only ld. Default option.
303 # --enable-gold [--enable-ld]
304 # Build both gold and ld. Install gold as "ld.gold", install ld
305 # as "ld.bfd" and "ld".
306 # --enable-gold=default [--enable-ld]
307 # Build both gold and ld. Install gold as "ld.gold" and "ld",
308 # install ld as "ld.bfd".
309 # --enable-gold[=default] --disable-ld
310 # Build only gold, which is then installed as both "ld.gold" and "ld".
311 # --enable-gold --enable-ld=default
312 # Build both gold (installed as "ld.gold") and ld (installed as "ld"
314 # In other words, ld is default
315 # --enable-gold=default --enable-ld=default
320 [AS_HELP_STRING([[--enable-gold[=ARG]]],
321 [build gold @<:@ARG={default,yes,no}@:>@])],
322 ENABLE_GOLD=$enableval,
324 case "${ENABLE_GOLD}" in
326 # Check for ELF target.
329 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
330 | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
331 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
332 | *-*-solaris2* | *-*-nto* | *-*-nacl*)
334 *-*-linux*aout* | *-*-linux*oldld*)
342 if test "$is_elf" = "yes"; then
343 # Check for target supported by gold.
345 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \
346 | aarch64*-*-* | tilegx*-*-* | mips*-*-* | s390*-*-*)
347 configdirs="$configdirs gold"
348 if test x${ENABLE_GOLD} = xdefault; then
359 AC_MSG_ERROR([invalid --enable-gold argument])
364 [AS_HELP_STRING([[--enable-ld[=ARG]]],
365 [build ld @<:@ARG={default,yes,no}@:>@])],
366 ENABLE_LD=$enableval,
369 case "${ENABLE_LD}" in
371 if test x${default_ld} != x; then
372 AC_MSG_ERROR([either gold or ld can be the default ld])
378 if test x${ENABLE_GOLD} != xyes; then
379 AC_MSG_WARN([neither ld nor gold are enabled])
381 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
384 AC_MSG_ERROR([invalid --enable-ld argument])
389 # Decide the default method for compressing debug sections.
390 # Provide a configure time option to override our default.
391 AC_ARG_ENABLE(compressed_debug_sections,
392 [AS_HELP_STRING([--enable-compressed-debug-sections={all,gas,gold,ld,none}],
393 [Enable compressed debug sections for gas, gold or ld by
396 if test x"$enable_compressed_debug_sections" = xyes; then
397 AC_MSG_ERROR([no program with compressed debug sections specified])
399 ], [enable_compressed_debug_sections=])
401 # Configure extra directories which are host specific
405 configdirs="$configdirs libtermcap" ;;
408 # A target can indicate whether a language isn't supported for some reason.
409 # Only spaces may be used in this macro; not newlines or tabs.
410 unsupported_languages=
412 # Remove more programs from consideration, based on the host or
413 # target this usually means that a port of the program doesn't
417 i[[3456789]]86-*-msdosdjgpp*)
418 noconfigdirs="$noconfigdirs tcl tk itcl"
423 AC_ARG_ENABLE(libquadmath,
424 AS_HELP_STRING([--disable-libquadmath],
425 [do not build libquadmath directory]),
426 ENABLE_LIBQUADMATH=$enableval,
427 ENABLE_LIBQUADMATH=yes)
428 if test "${ENABLE_LIBQUADMATH}" = "no" ; then
429 noconfigdirs="$noconfigdirs target-libquadmath"
433 AC_ARG_ENABLE(libquadmath-support,
434 AS_HELP_STRING([--disable-libquadmath-support],
435 [disable libquadmath support for Fortran]),
436 ENABLE_LIBQUADMATH_SUPPORT=$enableval,
437 ENABLE_LIBQUADMATH_SUPPORT=yes)
438 enable_libquadmath_support=
439 if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
440 enable_libquadmath_support=no
444 AC_ARG_ENABLE(libada,
445 [AS_HELP_STRING([--enable-libada], [build libada directory])],
446 ENABLE_LIBADA=$enableval,
448 if test "${ENABLE_LIBADA}" != "yes" ; then
449 noconfigdirs="$noconfigdirs gnattools"
452 AC_ARG_ENABLE(libssp,
453 [AS_HELP_STRING([--enable-libssp], [build libssp directory])],
454 ENABLE_LIBSSP=$enableval,
457 AC_ARG_ENABLE(libstdcxx,
458 AS_HELP_STRING([--disable-libstdcxx],
459 [do not build libstdc++-v3 directory]),
460 ENABLE_LIBSTDCXX=$enableval,
461 ENABLE_LIBSTDCXX=default)
462 [if test "${ENABLE_LIBSTDCXX}" = "no" ; then
463 noconfigdirs="$noconfigdirs target-libstdc++-v3"
466 # If this is accelerator compiler and its target is intelmic we enable
467 # target liboffloadmic by default. If this is compiler with offloading
468 # for intelmic we enable host liboffloadmic by default. Otherwise
469 # liboffloadmic is disabled by default.
470 AC_ARG_ENABLE([liboffloadmic],
471 AC_HELP_STRING([[--enable-liboffloadmic[=ARG]]],
472 [build liboffloadmic @<:@ARG={no,host,target}@:>@]),
473 [case "$enableval" in
475 enable_liboffloadmic=$enableval ;;
477 AC_MSG_ERROR([--enable-liboffloadmic=no/host/target]) ;;
479 [if test x"$enable_as_accelerator_for" != x; then
481 *-intelmic-* | *-intelmicemul-*)
482 enable_liboffloadmic=target
483 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=target"
486 enable_liboffloadmic=no
490 case "${enable_offload_targets}" in
491 *-intelmic-* | *-intelmicemul-*)
492 enable_liboffloadmic=host
493 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=host"
496 enable_liboffloadmic=no
500 AC_SUBST(extra_liboffloadmic_configure_flags)
502 # Enable libgomp by default on hosted POSIX systems, and a few others.
503 if test x$enable_libgomp = x ; then
505 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
507 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
509 *-*-solaris2* | *-*-hpux11*)
511 *-*-darwin* | *-*-aix*)
516 noconfigdirs="$noconfigdirs target-libgomp"
521 # Disable libatomic on unsupported systems.
522 if test -d ${srcdir}/libatomic; then
523 if test x$enable_libatomic = x; then
524 AC_MSG_CHECKING([for libatomic support])
525 if (srcdir=${srcdir}/libatomic; \
526 . ${srcdir}/configure.tgt; \
527 test -n "$UNSUPPORTED")
530 noconfigdirs="$noconfigdirs target-libatomic"
537 # Disable liboffloadmic on unsupported systems.
538 if test -d ${srcdir}/liboffloadmic; then
539 if test x$enable_liboffloadmic != xno; then
540 AC_MSG_CHECKING([for liboffloadmic support])
541 if (srcdir=${srcdir}/liboffloadmic; \
542 . ${srcdir}/configure.tgt; \
543 test -n "$UNSUPPORTED")
546 noconfigdirs="$noconfigdirs target-liboffloadmic"
553 # Disable libitm on unsupported systems.
554 if test -d ${srcdir}/libitm; then
555 if test x$enable_libitm = x; then
556 AC_MSG_CHECKING([for libitm support])
557 if (srcdir=${srcdir}/libitm; \
558 . ${srcdir}/configure.tgt; \
559 test -n "$UNSUPPORTED")
562 noconfigdirs="$noconfigdirs target-libitm"
569 # Disable libsanitizer on unsupported systems.
570 if test -d ${srcdir}/libsanitizer; then
571 if test x$enable_libsanitizer = x; then
572 AC_MSG_CHECKING([for libsanitizer support])
573 if (srcdir=${srcdir}/libsanitizer; \
574 . ${srcdir}/configure.tgt; \
575 test -n "$UNSUPPORTED")
578 noconfigdirs="$noconfigdirs target-libsanitizer"
585 # Disable libvtv on unsupported systems.
586 if test -d ${srcdir}/libvtv; then
587 if test x$enable_libvtv = x; then
588 AC_MSG_CHECKING([for libvtv support])
589 if (srcdir=${srcdir}/libvtv; \
590 . ${srcdir}/configure.tgt; \
591 test "$VTV_SUPPORTED" != "yes")
594 noconfigdirs="$noconfigdirs target-libvtv"
602 # Disable libhsail-rt on unsupported systems.
603 if test -d ${srcdir}/libhsail-rt; then
604 if test x$enable_libhsail_rt = x; then
605 AC_MSG_CHECKING([for libhsail-rt support])
606 if (srcdir=${srcdir}/libhsail-rt; \
607 . ${srcdir}/configure.tgt; \
608 test -n "$UNSUPPORTED")
611 unsupported_languages="$unsupported_languages brig"
612 # This implicitly disables also target-libhsail-rt as it won't
613 # get added to the build without BRIG FE.
621 # Disable libquadmath for some systems.
624 noconfigdirs="$noconfigdirs target-libquadmath"
626 # libquadmath is unused on AIX and libquadmath build process use of
627 # LD_LIBRARY_PATH can break AIX bootstrap.
628 powerpc-*-aix* | rs6000-*-aix*)
629 noconfigdirs="$noconfigdirs target-libquadmath"
633 # Disable libssp for some systems.
636 # No hosted I/O support.
637 noconfigdirs="$noconfigdirs target-libssp"
639 powerpc-*-aix* | rs6000-*-aix*)
640 noconfigdirs="$noconfigdirs target-libssp"
643 # libssp uses a misaligned load to trigger a fault, but the RL78
644 # doesn't fault for those - instead, it gives a build-time error
645 # for explicit misaligned loads.
646 noconfigdirs="$noconfigdirs target-libssp"
649 # No hosted I/O support.
650 noconfigdirs="$noconfigdirs target-libssp"
654 # Disable libstdc++-v3 for some systems.
655 # Allow user to override this if they pass --enable-libstdc++-v3
656 if test "${ENABLE_LIBSTDCXX}" = "default" ; then
659 # VxWorks uses the Dinkumware C++ library.
660 noconfigdirs="$noconfigdirs target-libstdc++-v3"
663 # the C++ libraries don't build on top of CE's C libraries
664 noconfigdirs="$noconfigdirs target-libstdc++-v3"
667 noconfigdirs="$noconfigdirs target-libstdc++-v3"
670 noconfigdirs="$noconfigdirs target-libstdc++-v3"
675 # Disable Fortran for some systems.
678 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
679 unsupported_languages="$unsupported_languages fortran"
683 # Disable libffi for some systems.
687 i[[3456789]]86-*-darwin*)
689 x86_64-*-darwin[[912]]*)
692 noconfigdirs="$noconfigdirs target-libffi"
695 noconfigdirs="$noconfigdirs target-libffi"
698 noconfigdirs="$noconfigdirs target-libffi"
701 noconfigdirs="$noconfigdirs target-libffi"
704 noconfigdirs="$noconfigdirs target-libffi"
707 noconfigdirs="$noconfigdirs target-libffi"
710 noconfigdirs="$noconfigdirs target-libffi"
713 noconfigdirs="$noconfigdirs target-libffi"
716 noconfigdirs="$noconfigdirs target-libffi"
719 noconfigdirs="$noconfigdirs target-libffi"
722 noconfigdirs="$noconfigdirs target-libffi"
725 noconfigdirs="$noconfigdirs target-libffi"
727 cris-*-* | crisv32-*-*)
731 *) # See PR46792 regarding target-libffi.
732 noconfigdirs="$noconfigdirs target-libffi";;
736 noconfigdirs="$noconfigdirs target-libffi"
741 noconfigdirs="$noconfigdirs target-libffi"
744 noconfigdirs="$noconfigdirs target-libffi"
746 i[[3456789]]86-w64-mingw*)
747 noconfigdirs="$noconfigdirs target-libffi"
749 i[[3456789]]86-*-mingw*)
750 noconfigdirs="$noconfigdirs target-libffi"
753 noconfigdirs="$noconfigdirs target-libffi"
756 noconfigdirs="$noconfigdirs target-libffi"
763 noconfigdirs="$noconfigdirs target-libffi"
766 noconfigdirs="$noconfigdirs target-libffi"
770 # Disable the go frontend on systems where it is known to not work. Please keep
771 # this in sync with contrib/config-list.mk.
773 *-*-darwin* | *-*-cygwin* | *-*-mingw*)
774 unsupported_languages="$unsupported_languages go"
778 # Disable libgo for some systems where it is known to not work.
779 # For testing, you can easily override this with --enable-libgo.
780 if test x$enable_libgo = x; then
784 noconfigdirs="$noconfigdirs target-libgo"
786 *-*-cygwin* | *-*-mingw*)
787 noconfigdirs="$noconfigdirs target-libgo"
792 # Default libgloss CPU subdirectory.
793 libgloss_dir="$target_cpu"
796 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
805 cris-*-* | crisv32-*-*)
814 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
831 # Disable newlib and libgloss for various target OSes.
834 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
836 i[[3456789]]86-*-linux*)
837 # This section makes it possible to build newlib natively on linux.
838 # If we are using a cross compiler then don't configure newlib.
839 if test x${is_cross_compiler} != xno ; then
840 noconfigdirs="$noconfigdirs target-newlib"
842 noconfigdirs="$noconfigdirs target-libgloss"
843 # If we are not using a cross compiler, do configure newlib.
844 # Note however, that newlib will only be configured in this situation
845 # if the --with-newlib option has been given, because otherwise
846 # 'target-newlib' will appear in skipdirs.
848 i[[3456789]]86-*-rdos*)
849 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
851 sh*-*-pe|mips*-*-pe|arm-wince-pe)
852 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
855 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
858 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
861 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
864 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
867 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
870 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
872 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
873 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
876 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
879 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
882 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
885 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
888 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
891 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
894 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
902 noconfigdirs="$noconfigdirs ld gas gdb gprof"
903 noconfigdirs="$noconfigdirs sim target-rda"
906 noconfigdirs="$noconfigdirs ld gas gdb gprof"
907 noconfigdirs="$noconfigdirs sim target-rda"
910 noconfigdirs="$noconfigdirs ld gas gdb gprof"
911 noconfigdirs="$noconfigdirs sim target-rda"
913 i[[3456789]]86-*-darwin*)
914 noconfigdirs="$noconfigdirs ld gprof"
915 noconfigdirs="$noconfigdirs sim target-rda"
917 x86_64-*-darwin[[912]]*)
918 noconfigdirs="$noconfigdirs ld gas gprof"
919 noconfigdirs="$noconfigdirs sim target-rda"
922 noconfigdirs="$noconfigdirs ld gas gdb gprof"
923 noconfigdirs="$noconfigdirs sim target-rda"
928 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
929 && test -f /usr/local/include/gmp.h; then
934 # Remove unsupported stuff on all kaOS configurations.
935 noconfigdirs="$noconfigdirs target-libgloss"
942 noconfigdirs="$noconfigdirs target-libgloss"
945 noconfigdirs="$noconfigdirs target-libgloss"
947 # The tpf target doesn't support gdb yet.
949 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
952 noconfigdirs="$noconfigdirs target-rda"
957 # ld works, but does not support shared libraries.
958 # gas doesn't generate exception information.
959 noconfigdirs="$noconfigdirs gas ld"
962 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
965 # newlib is not 64 bit ready
966 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
968 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
969 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
972 noconfigdirs="$noconfigdirs sim"
975 noconfigdirs="$noconfigdirs target-libgloss"
978 noconfigdirs="$noconfigdirs ld target-libgloss"
981 if test x${with_avrlibc} != xno; then
982 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
986 noconfigdirs="$noconfigdirs target-libgloss"
989 noconfigdirs="$noconfigdirs target-libgloss gdb"
992 noconfigdirs="$noconfigdirs target-libgloss"
995 noconfigdirs="$noconfigdirs gdb"
998 noconfigdirs="$noconfigdirs gdb"
1001 noconfigdirs="$noconfigdirs target-rda gprof"
1004 noconfigdirs="$noconfigdirs"
1007 noconfigdirs="$noconfigdirs target-libgloss"
1010 noconfigdirs="$noconfigdirs target-libgloss"
1012 hppa1.1-*-osf* | hppa1.1-*-bsd* )
1015 noconfigdirs="$noconfigdirs gdb"
1018 noconfigdirs="$noconfigdirs gdb ld"
1026 hppa*-*-openbsd* | \
1032 noconfigdirs="$noconfigdirs ld"
1035 noconfigdirs="$noconfigdirs gdb"
1038 # No gdb support yet.
1039 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
1042 # No ld support yet.
1043 noconfigdirs="$noconfigdirs gdb libgui itcl ld"
1046 # No ld support yet.
1047 noconfigdirs="$noconfigdirs libgui itcl ld"
1049 i[[3456789]]86-w64-mingw*)
1051 i[[3456789]]86-*-mingw*)
1052 target_configdirs="$target_configdirs target-winsup"
1055 target_configdirs="$target_configdirs target-libtermcap target-winsup"
1056 noconfigdirs="$noconfigdirs target-libgloss"
1057 # always build newlib if winsup directory is present.
1058 if test -d "$srcdir/winsup/cygwin"; then
1059 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1060 elif test -d "$srcdir/newlib"; then
1061 echo "Warning: winsup/cygwin is missing so newlib can't be built."
1064 i[[3456789]]86-*-pe)
1065 noconfigdirs="$noconfigdirs target-libgloss"
1067 i[[3456789]]86-*-sco3.2v5*)
1068 # The linker does not yet know about weak symbols in COFF,
1069 # and is not configured to handle mixed ELF and COFF.
1070 noconfigdirs="$noconfigdirs ld target-libgloss"
1072 i[[3456789]]86-*-sco*)
1073 noconfigdirs="$noconfigdirs gprof target-libgloss"
1075 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
1076 noconfigdirs="$noconfigdirs target-libgloss"
1078 i[[3456789]]86-*-sysv4*)
1079 noconfigdirs="$noconfigdirs target-libgloss"
1081 i[[3456789]]86-*-beos*)
1082 noconfigdirs="$noconfigdirs gdb"
1084 i[[3456789]]86-*-rdos*)
1085 noconfigdirs="$noconfigdirs gdb"
1088 noconfigdirs="$noconfigdirs gdb"
1091 noconfigdirs="$noconfigdirs sim"
1094 noconfigdirs="$noconfigdirs ld gas gdb gprof sim"
1095 noconfigdirs="$noconfigdirs $target_libraries"
1098 # copied from rs6000-*-* entry
1099 noconfigdirs="$noconfigdirs gprof"
1101 powerpc*-*-winnt* | powerpc*-*-pe*)
1102 target_configdirs="$target_configdirs target-winsup"
1103 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
1104 # always build newlib.
1105 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1107 # This is temporary until we can link against shared libraries
1108 powerpcle-*-solaris*)
1109 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
1112 noconfigdirs="$noconfigdirs gdb"
1115 noconfigdirs="$noconfigdirs gprof"
1118 noconfigdirs="$noconfigdirs gprof"
1121 noconfigdirs="$noconfigdirs gprof"
1124 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
1127 noconfigdirs="$noconfigdirs gprof"
1129 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
1130 if test x$with_newlib = xyes; then
1131 noconfigdirs="$noconfigdirs gprof"
1135 noconfigdirs="$noconfigdirs gprof target-libgloss"
1138 noconfigdirs="$noconfigdirs gprof target-libgloss"
1141 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss"
1145 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \
1146 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*)
1147 noconfigdirs="$noconfigdirs ld gas gprof"
1150 noconfigdirs="$noconfigdirs gprof"
1153 noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc"
1160 noconfigdirs="$noconfigdirs target-libgloss" ;;
1164 if test x${is_cross_compiler} = xno ; then
1169 noconfigdirs="$noconfigdirs sim"
1171 tilepro*-*-* | tilegx*-*-*)
1172 noconfigdirs="$noconfigdirs sim"
1175 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
1178 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1181 noconfigdirs="$noconfigdirs ld"
1185 # If we aren't building newlib, then don't build libgloss, since libgloss
1186 # depends upon some newlib header files.
1187 case "${noconfigdirs}" in
1188 *target-libgloss*) ;;
1189 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1192 # Work in distributions that contain no compiler tools, like Autoconf.
1193 host_makefile_frag=/dev/null
1194 if test -d ${srcdir}/config ; then
1196 i[[3456789]]86-*-msdosdjgpp*)
1197 host_makefile_frag="config/mh-djgpp"
1200 ACX_CHECK_CYGWIN_CAT_WORKS
1201 host_makefile_frag="config/mh-cygwin"
1204 host_makefile_frag="config/mh-mingw"
1207 host_makefile_frag="config/mh-alpha-linux"
1210 host_makefile_frag="config/mh-pa-hpux10"
1213 host_makefile_frag="config/mh-pa"
1216 host_makefile_frag="config/mh-pa"
1219 host_makefile_frag="config/mh-darwin"
1222 host_makefile_frag="config/mh-ppc-aix"
1225 host_makefile_frag="config/mh-ppc-aix"
1230 if test "${build}" != "${host}" ; then
1231 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1232 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1233 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1234 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1235 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1236 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1237 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1238 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1239 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1240 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1241 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1242 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1244 AR_FOR_BUILD="\$(AR)"
1245 AS_FOR_BUILD="\$(AS)"
1246 CC_FOR_BUILD="\$(CC)"
1247 CXX_FOR_BUILD="\$(CXX)"
1248 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1249 GOC_FOR_BUILD="\$(GOC)"
1250 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1251 LD_FOR_BUILD="\$(LD)"
1252 NM_FOR_BUILD="\$(NM)"
1253 RANLIB_FOR_BUILD="\$(RANLIB)"
1254 WINDRES_FOR_BUILD="\$(WINDRES)"
1255 WINDMC_FOR_BUILD="\$(WINDMC)"
1261 # We must set the default linker to the linker used by gcc for the correct
1262 # operation of libtool. If LD is not defined and we are using gcc, try to
1263 # set the LD default to the ld used by gcc.
1264 if test -z "$LD"; then
1265 if test "$GCC" = yes; then
1268 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1270 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1272 case $gcc_prog_ld in
1273 # Accept absolute paths.
1274 [[\\/]* | [A-Za-z]:[\\/]*)]
1275 LD="$gcc_prog_ld" ;;
1280 # Check whether -static-libstdc++ -static-libgcc is supported.
1282 if test "$GCC" = yes; then
1283 saved_LDFLAGS="$LDFLAGS"
1285 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
1286 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
1288 AC_LINK_IFELSE([AC_LANG_SOURCE([
1289 #if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
1290 #error -static-libstdc++ not implemented
1293 [AC_MSG_RESULT([yes]); have_static_libs=yes],
1294 [AC_MSG_RESULT([no])])
1297 LDFLAGS="$saved_LDFLAGS"
1301 ACX_PROG_CMP_IGNORE_INITIAL
1303 AC_ARG_ENABLE([bootstrap],
1304 [AS_HELP_STRING([--enable-bootstrap],
1305 [enable bootstrapping @<:@yes if native build@:>@])],,
1306 enable_bootstrap=default)
1308 # Issue errors and warnings for invalid/strange bootstrap combinations.
1309 if test -r $srcdir/gcc/configure; then
1315 case "$have_compiler:$host:$target:$enable_bootstrap" in
1318 # Default behavior. Enable bootstrap if we have a compiler
1319 # and we are in a native configuration.
1320 yes:$build:$build:default)
1321 enable_bootstrap=yes ;;
1324 enable_bootstrap=no ;;
1326 # We have a compiler and we are in a native configuration, bootstrap is ok
1327 yes:$build:$build:yes)
1330 # Other configurations, but we have a compiler. Assume the user knows
1333 AC_MSG_WARN([trying to bootstrap a cross compiler])
1336 # No compiler: if they passed --enable-bootstrap explicitly, fail
1338 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1340 # Fail if wrong command line
1342 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1346 # When bootstrapping with GCC, build stage 1 in C++98 mode to ensure that a
1347 # C++98 compiler can still start the bootstrap.
1348 if test "$enable_bootstrap:$GXX" = "yes:yes"; then
1349 CXX="$CXX -std=gnu++98"
1352 # Used for setting $lt_cv_objdir
1355 # Check for GMP, MPFR and MPC
1356 gmplibs="-lmpc -lmpfr -lgmp"
1360 # Specify a location for mpc
1361 # check for this first so it ends up on the link line before mpfr.
1363 [AS_HELP_STRING([--with-mpc=PATH],
1364 [specify prefix directory for installed MPC package.
1365 Equivalent to --with-mpc-include=PATH/include
1366 plus --with-mpc-lib=PATH/lib])])
1367 AC_ARG_WITH(mpc-include,
1368 [AS_HELP_STRING([--with-mpc-include=PATH],
1369 [specify directory for installed MPC include files])])
1370 AC_ARG_WITH(mpc-lib,
1371 [AS_HELP_STRING([--with-mpc-lib=PATH],
1372 [specify directory for the installed MPC library])])
1374 if test "x$with_mpc" != x; then
1375 gmplibs="-L$with_mpc/lib $gmplibs"
1376 gmpinc="-I$with_mpc/include $gmpinc"
1378 if test "x$with_mpc_include" != x; then
1379 gmpinc="-I$with_mpc_include $gmpinc"
1381 if test "x$with_mpc_lib" != x; then
1382 gmplibs="-L$with_mpc_lib $gmplibs"
1384 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1385 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1386 gmpinc='-I$$s/mpc/src '"$gmpinc"
1387 # Do not test the mpc version. Assume that it is sufficient, since
1388 # it is in the source tree, and the library has not been built yet
1389 # but it would be included on the link line in the version check below
1390 # hence making the test fail.
1394 # Specify a location for mpfr
1395 # check for this first so it ends up on the link line before gmp.
1396 AC_ARG_WITH(mpfr-dir,
1397 [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1398 [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1399 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1402 [AS_HELP_STRING([--with-mpfr=PATH],
1403 [specify prefix directory for installed MPFR package.
1404 Equivalent to --with-mpfr-include=PATH/include
1405 plus --with-mpfr-lib=PATH/lib])])
1406 AC_ARG_WITH(mpfr-include,
1407 [AS_HELP_STRING([--with-mpfr-include=PATH],
1408 [specify directory for installed MPFR include files])])
1409 AC_ARG_WITH(mpfr-lib,
1410 [AS_HELP_STRING([--with-mpfr-lib=PATH],
1411 [specify directory for the installed MPFR library])])
1413 if test "x$with_mpfr" != x; then
1414 gmplibs="-L$with_mpfr/lib $gmplibs"
1415 gmpinc="-I$with_mpfr/include $gmpinc"
1417 if test "x$with_mpfr_include" != x; then
1418 gmpinc="-I$with_mpfr_include $gmpinc"
1420 if test "x$with_mpfr_lib" != x; then
1421 gmplibs="-L$with_mpfr_lib $gmplibs"
1423 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1424 # MPFR v3.1.0 moved the sources into a src sub-directory.
1425 if ! test -d ${srcdir}/mpfr/src; then
1427 Building GCC with MPFR in the source tree is only handled for MPFR 3.1.0+.])
1429 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
1430 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
1431 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
1432 # Do not test the mpfr version. Assume that it is sufficient, since
1433 # it is in the source tree, and the library has not been built yet
1434 # but it would be included on the link line in the version check below
1435 # hence making the test fail.
1439 # Specify a location for gmp
1440 AC_ARG_WITH(gmp-dir,
1441 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1442 [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1443 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1446 [AS_HELP_STRING([--with-gmp=PATH],
1447 [specify prefix directory for the installed GMP package.
1448 Equivalent to --with-gmp-include=PATH/include
1449 plus --with-gmp-lib=PATH/lib])])
1450 AC_ARG_WITH(gmp-include,
1451 [AS_HELP_STRING([--with-gmp-include=PATH],
1452 [specify directory for installed GMP include files])])
1453 AC_ARG_WITH(gmp-lib,
1454 [AS_HELP_STRING([--with-gmp-lib=PATH],
1455 [specify directory for the installed GMP library])])
1458 if test "x$with_gmp" != x; then
1459 gmplibs="-L$with_gmp/lib $gmplibs"
1460 gmpinc="-I$with_gmp/include $gmpinc"
1462 if test "x$with_gmp_include" != x; then
1463 gmpinc="-I$with_gmp_include $gmpinc"
1465 if test "x$with_gmp_lib" != x; then
1466 gmplibs="-L$with_gmp_lib $gmplibs"
1468 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1469 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1470 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1471 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1472 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1473 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp'
1474 # Do not test the gmp version. Assume that it is sufficient, since
1475 # it is in the source tree, and the library has not been built yet
1476 # but it would be included on the link line in the version check below
1477 # hence making the test fail.
1481 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1483 saved_CFLAGS="$CFLAGS"
1484 CFLAGS="$CFLAGS $gmpinc"
1485 # Check for the recommended and required versions of GMP.
1486 AC_MSG_CHECKING([for the correct version of gmp.h])
1487 AC_TRY_COMPILE([#include "gmp.h"],[
1488 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1489 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1490 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3)
1493 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1494 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1495 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1496 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1499 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1500 [AC_MSG_RESULT([no]); have_gmp=no])
1502 # If we have GMP, check the MPFR version.
1503 if test x"$have_gmp" = xyes; then
1504 # Check for the recommended and required versions of MPFR.
1505 AC_MSG_CHECKING([for the correct version of mpfr.h])
1506 AC_TRY_COMPILE([#include <gmp.h>
1507 #include <mpfr.h>],[
1508 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0)
1511 ], [AC_TRY_COMPILE([#include <gmp.h>
1512 #include <mpfr.h>],[
1513 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1516 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1517 [AC_MSG_RESULT([no]); have_gmp=no])
1520 # Check for the MPC header version.
1521 if test x"$have_gmp" = xyes ; then
1522 # Check for the recommended and required versions of MPC.
1523 AC_MSG_CHECKING([for the correct version of mpc.h])
1524 AC_TRY_COMPILE([#include <mpc.h>],[
1525 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1528 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1529 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1532 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1533 [AC_MSG_RESULT([no]); have_gmp=no])
1536 # Now check the MPFR library.
1537 if test x"$have_gmp" = xyes; then
1539 LIBS="$LIBS $gmplibs"
1540 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1541 AC_TRY_LINK([#include <mpc.h>],[
1548 mpfr_atan2 (n, n, x, GMP_RNDN);
1549 mpfr_erfc (n, x, GMP_RNDN);
1550 mpfr_subnormalize (x, t, GMP_RNDN);
1554 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1555 mpc_cosh (c, c, MPC_RNDNN);
1556 mpc_pow (c, c, c, MPC_RNDNN);
1557 mpc_acosh (c, c, MPC_RNDNN);
1559 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1563 CFLAGS="$saved_CFLAGS"
1565 # The library versions listed in the error message below should match
1566 # the HARD-minimums enforced above.
1567 if test x$have_gmp != xyes; then
1568 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+.
1569 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1570 their locations. Source code for these libraries can be found at
1571 their respective hosting sites as well as at
1572 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1573 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1574 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1575 make sure that you have installed both the libraries and the header
1576 files. They may be located in separate packages.])
1580 # Flags needed for both GMP, MPFR and/or MPC.
1583 AC_SUBST(extra_mpfr_configure_flags)
1584 AC_SUBST(extra_mpc_gmp_configure_flags)
1585 AC_SUBST(extra_mpc_mpfr_configure_flags)
1586 AC_SUBST(extra_isl_gmp_configure_flags)
1588 # Libraries to use for stage1 or when not bootstrapping.
1589 AC_ARG_WITH(stage1-libs,
1590 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1591 [if test "$withval" = "no" -o "$withval" = "yes"; then
1594 stage1_libs=$withval
1597 AC_SUBST(stage1_libs)
1599 # Linker flags to use for stage1 or when not bootstrapping.
1600 AC_ARG_WITH(stage1-ldflags,
1601 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1602 [if test "$withval" = "no" -o "$withval" = "yes"; then
1605 stage1_ldflags=$withval
1608 # In stage 1, default to linking libstdc++ and libgcc statically with GCC
1609 # if supported. But if the user explicitly specified the libraries to use,
1610 # trust that they are doing what they want.
1611 if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then
1612 stage1_ldflags="-static-libstdc++ -static-libgcc"
1614 AC_SUBST(stage1_ldflags)
1616 # Libraries to use for stage2 and later builds.
1617 AC_ARG_WITH(boot-libs,
1618 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
1619 [if test "$withval" = "no" -o "$withval" = "yes"; then
1622 poststage1_libs=$withval
1625 AC_SUBST(poststage1_libs)
1627 # Linker flags to use for stage2 and later builds.
1628 AC_ARG_WITH(boot-ldflags,
1629 [AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1630 [linker flags for stage2 and later])],
1631 [if test "$withval" = "no" -o "$withval" = "yes"; then
1634 poststage1_ldflags=$withval
1636 [poststage1_ldflags=
1637 # In stages 2 and 3, default to linking libstdc++ and libgcc
1638 # statically. But if the user explicitly specified the libraries to
1639 # use, trust that they are doing what they want.
1640 if test "$poststage1_libs" = ""; then
1641 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1643 AC_SUBST(poststage1_ldflags)
1645 # GCC GRAPHITE dependency isl.
1646 # Basic setup is inlined here, actual checks are in config/isl.m4
1651 [Specify prefix directory for the installed isl package.
1652 Equivalent to --with-isl-include=PATH/include
1653 plus --with-isl-lib=PATH/lib])])
1655 # Treat --without-isl as a request to disable
1656 # GRAPHITE support and skip all following checks.
1657 if test "x$with_isl" != "xno"; then
1659 dnl Provide configure switches and initialize islinc & isllibs
1660 dnl with user input.
1662 dnl The versions of isl that work for Graphite
1664 dnl Only execute fail-action, if isl has been requested.
1666 AC_MSG_ERROR([Unable to find a usable isl. See config.log for details.])])
1669 # If the isl check failed, disable builds of in-tree variant of isl
1670 if test "x$with_isl" = xno ||
1671 test "x$gcc_cv_isl" = xno; then
1672 noconfigdirs="$noconfigdirs isl"
1679 # Check for LTO support.
1681 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
1682 enable_lto=$enableval,
1683 enable_lto=yes; default_enable_lto=yes)
1685 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1686 build_lto_plugin=yes
1687 ],[if test x"$default_enable_lto" = x"yes" ; then
1689 *-apple-darwin[[912]]* | *-cygwin* | *-mingw* | *djgpp*) ;;
1690 # On other non-ELF platforms, LTO has yet to be validated.
1694 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1695 # It would also be nice to check the binutils support, but we don't
1696 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1697 # warn during gcc/ subconfigure; unless you're bootstrapping with
1698 # -flto it won't be needed until after installation anyway.
1700 *-cygwin* | *-mingw* | *-apple-darwin* | *djgpp*) ;;
1701 *) if test x"$enable_lto" = x"yes"; then
1702 AC_MSG_ERROR([LTO support is not enabled for this target.])
1707 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1708 # Build it unless LTO was explicitly disabled.
1710 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1715 AC_ARG_ENABLE(linker-plugin-configure-flags,
1716 [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]],
1717 [additional flags for configuring linker plugins @<:@none@:>@])],
1718 extra_linker_plugin_configure_flags=$enableval,
1719 extra_linker_plugin_configure_flags=)
1720 AC_SUBST(extra_linker_plugin_configure_flags)
1721 AC_ARG_ENABLE(linker-plugin-flags,
1722 [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]],
1723 [additional flags for configuring and building linker plugins @<:@none@:>@])],
1724 extra_linker_plugin_flags=$enableval,
1725 extra_linker_plugin_flags=)
1726 AC_SUBST(extra_linker_plugin_flags)
1728 # Enable --enable-host-shared.
1729 # Checked early to determine whether jit is an 'all' language
1730 AC_ARG_ENABLE(host-shared,
1731 [AS_HELP_STRING([--enable-host-shared],
1732 [build host code as shared libraries])],
1733 [host_shared=$enableval], [host_shared=no])
1734 AC_SUBST(host_shared)
1736 # By default, C and C++ are the only stage 1 languages.
1737 stage1_languages=,c,
1739 # Target libraries that we bootstrap.
1740 bootstrap_target_libs=,target-libgcc,
1742 # Figure out what language subdirectories are present.
1743 # Look if the user specified --enable-languages="..."; if not, use
1744 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1746 # NB: embedded tabs in this IF block -- do not untabify
1747 if test -d ${srcdir}/gcc; then
1748 if test x"${enable_languages+set}" != xset; then
1749 if test x"${LANGUAGES+set}" = xset; then
1750 enable_languages="${LANGUAGES}"
1751 echo configure.ac: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1753 enable_languages=default
1756 if test x"${enable_languages}" = x ||
1757 test x"${enable_languages}" = xyes;
1759 echo configure.ac: --enable-languages needs at least one language argument 1>&2
1763 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1765 # 'f95' is the old name for the 'fortran' language. We issue a warning
1766 # and make the substitution.
1767 case ,${enable_languages}, in
1769 echo configure.ac: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1770 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1774 # If bootstrapping, C++ must be enabled.
1775 case ",$enable_languages,:$enable_bootstrap" in
1778 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1779 enable_languages="${enable_languages},c++"
1781 AC_MSG_ERROR([bootstrapping requires c++ sources])
1786 # First scan to see if an enabled language requires some other language.
1787 # We assume that a given config-lang.in will list all the language
1788 # front ends it requires, even if some are required indirectly.
1789 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1790 case ${lang_frag} in
1792 # The odd quoting in the next line works around
1793 # an apparent bug in bash 1.12 on linux.
1794 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1796 # From the config-lang.in, get $language, $lang_requires, and
1797 # $lang_requires_boot_languages.
1800 lang_requires_boot_languages=
1801 # set srcdir during sourcing lang_frag to the gcc dir.
1802 # Sadly overriding srcdir on the . line doesn't work in plain sh as it
1803 # polutes this shell
1804 saved_srcdir=${srcdir}
1805 srcdir=${srcdir}/gcc . ${lang_frag}
1806 srcdir=${saved_srcdir}
1807 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1808 case ,${enable_languages}, in
1813 echo " \`$other' language required by \`$language'; enabling" 1>&2
1814 enable_languages="${enable_languages},${other}"
1818 for other in ${lang_requires_boot_languages} ; do
1819 if test "$other" != "c"; then
1820 case ,${enable_stage1_languages}, in
1825 case ,${enable_languages}, in
1827 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1828 enable_stage1_languages="$enable_stage1_languages,${other}"
1839 new_enable_languages=,c,
1841 # If LTO is enabled, add the LTO front end.
1842 if test "$enable_lto" = "yes" ; then
1843 case ,${enable_languages}, in
1845 *) enable_languages="${enable_languages},lto" ;;
1847 if test "${build_lto_plugin}" = "yes" ; then
1848 configdirs="$configdirs lto-plugin"
1852 # If we're building an offloading compiler, add the LTO front end.
1853 if test x"$enable_as_accelerator_for" != x ; then
1854 case ,${enable_languages}, in
1856 *) enable_languages="${enable_languages},lto" ;;
1860 missing_languages=`echo ",$enable_languages," | sed -e s/,default,/,/ -e s/,all,/,/ -e s/,c,/,/ `
1861 potential_languages=,c,
1863 enabled_target_libs=
1864 disabled_target_libs=
1866 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1867 case ${lang_frag} in
1869 # The odd quoting in the next line works around
1870 # an apparent bug in bash 1.12 on linux.
1871 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1873 # From the config-lang.in, get $language, $target_libs,
1874 # $lang_dirs, $boot_language, and $build_by_default
1880 build_by_default=yes
1881 # set srcdir during sourcing. See above about save & restore
1882 saved_srcdir=${srcdir}
1883 srcdir=${srcdir}/gcc . ${lang_frag}
1884 srcdir=${saved_srcdir}
1885 if test x${language} = x; then
1886 echo "${lang_frag} doesn't set \$language." 1>&2
1890 if test "$language" = "c++"; then
1895 # C is always enabled, so no need to add it again
1896 if test "$language" != "c"; then
1897 case ,${enable_languages}, in
1899 # Language was explicitly selected; include it
1903 # All languages are enabled
1907 # 'default' was selected, select it if it is a default language
1908 add_this_lang=${build_by_default}
1913 # Disable languages that need other directories if these aren't available.
1914 for i in $subdir_requires; do
1915 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1916 case ${add_this_lang} in
1918 # Specifically requested language; tell them.
1919 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1922 AC_MSG_WARN([The gcc/$i directory contains parts of $language but is missing])
1923 add_this_lang=unsupported
1927 add_this_lang=unsupported
1932 # Disable Ada if no preexisting GNAT is available.
1933 case ${add_this_lang}:${language}:${have_gnat} in
1935 # Specifically requested language; tell them.
1936 AC_MSG_ERROR([GNAT is required to build $language])
1939 AC_MSG_WARN([GNAT is required to build $language])
1940 add_this_lang=unsupported
1944 add_this_lang=unsupported
1948 # Disable jit if -enable-host-shared not specified
1949 case ${add_this_lang}:${language}:${host_shared} in
1951 # PR jit/64780: explicitly specify --enable-host-shared
1953 Enabling language "jit" requires --enable-host-shared.
1955 --enable-host-shared typically slows the rest of the compiler down by
1956 a few %, so you must explicitly enable it.
1958 If you want to build both the jit and the regular compiler, it is often
1959 best to do this via two separate configure/builds, in separate
1960 directories, to avoid imposing the performance cost of
1961 --enable-host-shared on the regular compiler.])
1964 AC_MSG_WARN([--enable-host-shared required to build $language])
1965 add_this_lang=unsupported
1969 add_this_lang=unsupported
1973 # Disable a language that is unsupported by the target.
1974 case "${add_this_lang}: $unsupported_languages " in
1978 AC_MSG_WARN([${language} not supported for this target])
1979 add_this_lang=unsupported
1983 case $add_this_lang in
1985 # Remove language-dependent dirs.
1986 disabled_target_libs="$disabled_target_libs $target_libs"
1987 noconfigdirs="$noconfigdirs $lang_dirs"
1990 # Remove language-dependent dirs; still show language as supported.
1991 disabled_target_libs="$disabled_target_libs $target_libs"
1992 noconfigdirs="$noconfigdirs $lang_dirs"
1993 potential_languages="${potential_languages}${language},"
1996 new_enable_languages="${new_enable_languages}${language},"
1997 potential_languages="${potential_languages}${language},"
1998 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1999 enabled_target_libs="$enabled_target_libs $target_libs"
2000 case "${boot_language}:,$enable_stage1_languages," in
2001 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
2002 # Add to (comma-separated) list of stage 1 languages.
2003 case ",$stage1_languages," in
2004 *,$language,* | ,yes, | ,all,) ;;
2005 *) stage1_languages="${stage1_languages}${language}," ;;
2007 # We need to bootstrap any supporting libraries.
2008 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
2017 # Add target libraries which are only needed for disabled languages
2019 if test -n "$disabled_target_libs"; then
2020 for dir in $disabled_target_libs; do
2021 case " $enabled_target_libs " in
2023 *) noconfigdirs="$noconfigdirs $dir" ;;
2028 AC_ARG_ENABLE(stage1-languages,
2029 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
2030 [choose additional languages to build during
2031 stage1. Mostly useful for compiler development])],
2032 [case ,${enable_stage1_languages}, in
2034 # Set it to something that will have no effect in the loop below
2035 enable_stage1_languages=c ;;
2037 enable_stage1_languages=`echo $new_enable_languages | \
2038 sed -e "s/^,//" -e "s/,$//" ` ;;
2040 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
2041 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
2044 # Add "good" languages from enable_stage1_languages to stage1_languages,
2045 # while "bad" languages go in missing_languages. Leave no duplicates.
2046 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
2047 case $potential_languages in
2049 case $stage1_languages in
2051 *) stage1_languages="$stage1_languages$i," ;;
2054 case $missing_languages in
2056 *) missing_languages="$missing_languages$i," ;;
2061 # Remove leading/trailing commas that were added for simplicity
2062 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
2063 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
2064 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
2065 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
2067 if test "x$missing_languages" != x; then
2069 The following requested languages could not be built: ${missing_languages}
2070 Supported languages are: ${potential_languages}])
2072 if test "x$new_enable_languages" != "x$enable_languages"; then
2073 echo The following languages will be built: ${new_enable_languages}
2074 enable_languages="$new_enable_languages"
2077 AC_SUBST(stage1_languages)
2078 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
2081 # Handle --disable-<component> generically.
2082 for dir in $configdirs $build_configdirs $target_configdirs ; do
2083 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
2084 varname=`echo $dirname | sed -e s/+/_/g`
2085 if eval test x\${enable_${varname}} "=" xno ; then
2086 noconfigdirs="$noconfigdirs $dir"
2090 # Check for Boehm's garbage collector
2091 AC_ARG_ENABLE(objc-gc,
2092 [AS_HELP_STRING([--enable-objc-gc],
2093 [enable use of Boehm's garbage collector with the
2094 GNU Objective-C runtime])])
2095 AC_ARG_WITH([target-bdw-gc],
2096 [AS_HELP_STRING([--with-target-bdw-gc=PATHLIST],
2097 [specify prefix directory for installed bdw-gc package.
2098 Equivalent to --with-target-bdw-gc-include=PATH/include
2099 plus --with-target-bdw-gc-lib=PATH/lib])])
2100 AC_ARG_WITH([target-bdw-gc-include],
2101 [AS_HELP_STRING([--with-target-bdw-gc-include=PATHLIST],
2102 [specify directories for installed bdw-gc include files])])
2103 AC_ARG_WITH([target-bdw-gc-lib],
2104 [AS_HELP_STRING([--with-target-bdw-gc-lib=PATHLIST],
2105 [specify directories for installed bdw-gc library])])
2107 case ,${enable_languages},:${enable_objc_gc} in *,objc,*:yes|*,objc,*:auto)
2108 AC_MSG_CHECKING([for bdw garbage collector])
2109 if test "x$with_target_bdw_gc$with_target_bdw_gc_include$with_target_bdw_gc_lib" = x; then
2110 dnl no bdw-gw options, assume default locations
2111 AC_MSG_RESULT([using bdw-gc in default locations])
2113 dnl bdw-gw options, first error checking, complete checking in libobjc
2114 if test "x$with_target_bdw_gc_include" = x && test "x$with_target_bdw_gc_lib" != x; then
2115 AC_MSG_ERROR([found --with-target-bdw-gc-lib but --with-target-bdw-gc-include missing])
2116 elif test "x$with_target_bdw_gc_include" != x && test "x$with_target_bdw_gc_lib" = x; then
2117 AC_MSG_ERROR([found --with-target-bdw-gc-include but --with-target-bdw-gc-lib missing])
2119 AC_MSG_RESULT([using paths configured with --with-target-bdw-gc options])
2124 # Disable libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++
2125 case ,${enable_languages}, in
2127 # Disable libitm, libsanitizer if we're not building libstdc++
2128 case "${noconfigdirs}" in
2129 *target-libstdc++-v3*)
2130 noconfigdirs="$noconfigdirs target-libitm target-libsanitizer"
2136 noconfigdirs="$noconfigdirs target-liboffloadmic target-libitm target-libsanitizer target-libvtv"
2140 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2141 # $build_configdirs and $target_configdirs.
2142 # If we have the source for $noconfigdirs entries, add them to $notsupp.
2145 for dir in . $skipdirs $noconfigdirs ; do
2146 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
2147 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2148 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2149 if test -r $srcdir/$dirname/configure ; then
2150 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2153 notsupp="$notsupp $dir"
2157 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2158 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2159 if test -r $srcdir/$dirname/configure ; then
2160 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2163 notsupp="$notsupp $dir"
2167 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2168 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2169 if test -r $srcdir/$dirname/configure ; then
2170 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2173 notsupp="$notsupp $dir"
2179 # Quietly strip out all directories which aren't configurable in this tree.
2180 # This relies on all configurable subdirectories being autoconfiscated, which
2182 build_configdirs_all="$build_configdirs"
2184 for i in ${build_configdirs_all} ; do
2185 j=`echo $i | sed -e s/build-//g`
2186 if test -f ${srcdir}/$j/configure ; then
2187 build_configdirs="${build_configdirs} $i"
2191 configdirs_all="$configdirs"
2193 for i in ${configdirs_all} ; do
2194 if test -f ${srcdir}/$i/configure ; then
2195 configdirs="${configdirs} $i"
2199 target_configdirs_all="$target_configdirs"
2201 for i in ${target_configdirs_all} ; do
2202 j=`echo $i | sed -e s/target-//g`
2203 if test -f ${srcdir}/$j/configure ; then
2204 target_configdirs="${target_configdirs} $i"
2208 # libiberty-linker-plugin is special: it doesn't have its own source directory,
2209 # so we have to add it after the preceding checks.
2210 if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x
2212 case " $configdirs " in
2214 # If we can build libiberty, we can also build libiberty-linker-plugin.
2215 configdirs="$configdirs libiberty-linker-plugin"
2216 extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \
2217 --with-libiberty=../libiberty-linker-plugin";;
2219 AC_MSG_ERROR([libiberty missing]);;
2223 # Sometimes we have special requirements for the host libiberty.
2224 extra_host_libiberty_configure_flags=
2225 extra_host_zlib_configure_flags=
2226 case " $configdirs " in
2227 *" lto-plugin "* | *" libcc1 "*)
2228 # When these are to be built as shared libraries, the same applies to
2230 extra_host_libiberty_configure_flags=--enable-shared
2233 # When bfd is to be built as a shared library, the same applies to
2235 if test "$enable_shared" = "yes"; then
2236 extra_host_zlib_configure_flags=--enable-host-shared
2240 AC_SUBST(extra_host_libiberty_configure_flags)
2241 AC_SUBST(extra_host_zlib_configure_flags)
2243 # Produce a warning message for the subdirs we can't configure.
2244 # This isn't especially interesting in the Cygnus tree, but in the individual
2245 # FSF releases, it's important to let people know when their machine isn't
2246 # supported by the one or two programs in a package.
2248 if test -n "${notsupp}" && test -z "${norecursion}" ; then
2249 # If $appdirs is non-empty, at least one of those directories must still
2250 # be configured, or we error out. (E.g., if the gas release supports a
2251 # specified target in some subdirs but not the gas subdir, we shouldn't
2252 # pretend that all is well.)
2253 if test -n "$appdirs" ; then
2254 for dir in $appdirs ; do
2255 if test -r $dir/Makefile.in ; then
2256 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2260 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2266 if test -n "$appdirs" ; then
2267 echo "*** This configuration is not supported by this package." 1>&2
2271 # Okay, some application will build, or we don't care to check. Still
2272 # notify of subdirs not getting built.
2273 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2274 echo " ${notsupp}" 1>&2
2275 echo " (Any other directories should still work fine.)" 1>&2
2283 # To find our prefix, in gcc_cv_tool_prefix.
2288 AC_ARG_WITH([build-sysroot],
2289 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2290 [use sysroot as the system root during the build])],
2291 [if test x"$withval" != x ; then
2292 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2294 [SYSROOT_CFLAGS_FOR_TARGET=])
2295 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2297 AC_ARG_WITH([debug-prefix-map],
2298 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2299 [map A to B, C to D ... in debug information])],
2300 [if test x"$withval" != x; then
2301 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2302 for debug_map in $withval; do
2303 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2306 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2307 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2309 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2310 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2311 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2312 # We want to ensure that TARGET libraries (which we know are built with
2313 # gcc) are built with "-O2 -g", so include those options when setting
2314 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2315 if test "x$CFLAGS_FOR_TARGET" = x; then
2316 if test "x${is_cross_compiler}" = xyes; then
2317 CFLAGS_FOR_TARGET="-g -O2"
2319 CFLAGS_FOR_TARGET=$CFLAGS
2322 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;;
2325 *" -g "* | *" -g3 "*) ;;
2326 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;;
2330 AC_SUBST(CFLAGS_FOR_TARGET)
2332 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2333 if test "x${is_cross_compiler}" = xyes; then
2334 CXXFLAGS_FOR_TARGET="-g -O2"
2336 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2337 case " $CXXFLAGS " in
2339 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;;
2341 case " $CXXFLAGS " in
2342 *" -g "* | *" -g3 "*) ;;
2343 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;;
2347 AC_SUBST(CXXFLAGS_FOR_TARGET)
2349 AC_SUBST(LDFLAGS_FOR_TARGET)
2351 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2352 # the named directory are copied to $(tooldir)/sys-include.
2353 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2354 if test x${is_cross_compiler} = xno ; then
2355 echo 1>&2 '***' --with-headers is only supported when cross compiling
2358 if test x"${with_headers}" != xyes ; then
2359 x=${gcc_cv_tool_prefix}
2360 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2364 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2365 # the name directories are copied to $(tooldir)/lib. Multiple directories
2367 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2368 if test x${is_cross_compiler} = xno ; then
2369 echo 1>&2 '***' --with-libs is only supported when cross compiling
2372 if test x"${with_libs}" != xyes ; then
2373 # Copy the libraries in reverse order, so that files in the first named
2374 # library override files in subsequent libraries.
2375 x=${gcc_cv_tool_prefix}
2376 for l in ${with_libs}; do
2377 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2382 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2384 # This is done by determining whether or not the appropriate directory
2385 # is available, and by checking whether or not specific configurations
2386 # have requested that this magic not happen.
2388 # The command line options always override the explicit settings in
2389 # configure.ac, and the settings in configure.ac override this magic.
2391 # If the default for a toolchain is to use GNU as and ld, and you don't
2392 # want to do that, then you should use the --without-gnu-as and
2393 # --without-gnu-ld options for the configure script. Similarly, if
2394 # the default is to use the included zlib and you don't want to do that,
2395 # you should use the --with-system-zlib option for the configure script.
2397 if test x${use_gnu_as} = x &&
2398 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2400 extra_host_args="$extra_host_args --with-gnu-as"
2403 if test x${use_gnu_ld} = x &&
2404 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2406 extra_host_args="$extra_host_args --with-gnu-ld"
2409 if test x${use_included_zlib} = x &&
2410 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2413 with_system_zlib=yes
2414 extra_host_args="$extra_host_args --with-system-zlib"
2417 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2418 # can detect this case.
2420 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2422 extra_host_args="$extra_host_args --with-newlib"
2425 # Handle ${copy_dirs}
2426 set fnord ${copy_dirs}
2428 while test $# != 0 ; do
2429 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2432 echo Copying $1 to $2
2434 # Use the install script to create the directory and all required
2435 # parent directories.
2436 if test -d $2 ; then
2440 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2443 # Copy the directory, assuming we have tar.
2444 # FIXME: Should we use B in the second tar? Not all systems support it.
2445 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2447 # It is the responsibility of the user to correctly adjust all
2448 # symlinks. If somebody can figure out how to handle them correctly
2449 # here, feel free to add the code.
2456 # Determine a target-dependent exec_prefix that the installed
2457 # gcc will search in. Keep this list sorted by triplet, with
2458 # the *-*-osname triplets last.
2461 i[[34567]]86-pc-msdosdjgpp*)
2462 md_exec_prefix=/dev/env/DJDIR/bin
2467 md_exec_prefix=/usr/ccs/bin
2471 extra_arflags_for_target=
2472 extra_nmflags_for_target=
2473 extra_ranlibflags_for_target=
2474 target_makefile_frag=/dev/null
2477 target_makefile_frag="config/mt-spu"
2479 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
2480 target_makefile_frag="config/mt-sde"
2482 mipsisa*-*-elfoabi*)
2483 target_makefile_frag="config/mt-mips-elfoabi"
2485 mips*-*-*linux* | mips*-*-gnu*)
2486 target_makefile_frag="config/mt-mips-gnu"
2489 target_makefile_frag="config/mt-nios2-elf"
2492 target_makefile_frag="config/mt-android"
2494 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2495 target_makefile_frag="config/mt-gnu"
2497 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2498 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2499 # commands to handle both 32-bit and 64-bit objects. These flags are
2500 # harmless if we're using GNU nm or ar.
2501 extra_arflags_for_target=" -X32_64"
2502 extra_nmflags_for_target=" -B -X32_64"
2506 alphaieee_frag=/dev/null
2509 # This just makes sure to use the -mieee option to build target libs.
2510 # This should probably be set individually by each library.
2511 alphaieee_frag="config/mt-alphaieee"
2515 # If --enable-target-optspace always use -Os instead of -O2 to build
2516 # the target libraries, similarly if it is not specified, use -Os
2517 # on selected platforms.
2518 ospace_frag=/dev/null
2519 case "${enable_target_optspace}:${target}" in
2521 ospace_frag="config/mt-ospace"
2524 ospace_frag="config/mt-d30v"
2526 :m32r-* | :d10v-* | :fr30-* | :i?86*-*-elfiamcu)
2527 ospace_frag="config/mt-ospace"
2532 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2536 # Some systems (e.g., one of the i386-aix systems the gas testers are
2537 # using) don't handle "\$" correctly, so don't use it here.
2538 tooldir='${exec_prefix}'/${target_noncanonical}
2539 build_tooldir=${tooldir}
2541 # Create a .gdbinit file which runs the one in srcdir
2542 # and tells GDB to look there for source files.
2544 if test -r ${srcdir}/.gdbinit ; then
2547 *) cat > ./.gdbinit <<EOF
2551 source ${srcdir}/.gdbinit
2557 # Make sure that the compiler is able to generate an executable. If it
2558 # can't, we are probably in trouble. We don't care whether we can run the
2559 # executable--we might be using a cross compiler--we only care whether it
2560 # can be created. At this point the main configure script has set CC.
2562 echo "int main () { return 0; }" > conftest.c
2563 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2564 if test $? = 0 ; then
2565 if test -s conftest || test -s conftest.exe ; then
2571 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2572 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2579 # Decide which environment variable is used to find dynamic libraries.
2581 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2582 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2583 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2584 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2587 # On systems where the dynamic library environment variable is PATH,
2588 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2589 # built executables to PATH.
2590 if test "$RPATH_ENVVAR" = PATH; then
2591 GCC_SHLIB_SUBDIR=/shlib
2596 # Adjust the toplevel makefile according to whether bootstrap was selected.
2597 case $enable_bootstrap in
2599 bootstrap_suffix=bootstrap
2600 BUILD_CONFIG=bootstrap-debug
2603 bootstrap_suffix=no-bootstrap
2608 AC_MSG_CHECKING(for default BUILD_CONFIG)
2610 AC_ARG_WITH([build-config],
2611 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2612 [use config/NAME.mk build configuration])],
2613 [case $with_build_config in
2614 yes) with_build_config= ;;
2615 no) with_build_config= BUILD_CONFIG= ;;
2618 if test "x${with_build_config}" != x; then
2619 BUILD_CONFIG=$with_build_config
2621 case $BUILD_CONFIG in
2623 if echo "int f (void) { return 0; }" > conftest.c &&
2624 ${CC} -c conftest.c &&
2625 mv conftest.o conftest.o.g0 &&
2626 ${CC} -c -g conftest.c &&
2627 mv conftest.o conftest.o.g &&
2628 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2633 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2637 AC_MSG_RESULT($BUILD_CONFIG)
2638 AC_SUBST(BUILD_CONFIG)
2640 # Use same top-level configure hooks in libgcc/libstdc++/libvtv.
2641 AC_MSG_CHECKING([for --enable-vtable-verify])
2642 AC_ARG_ENABLE(vtable-verify,
2643 [AS_HELP_STRING([--enable-vtable-verify],
2644 [Enable vtable verification feature])],
2645 [case "$enableval" in
2646 yes) enable_vtable_verify=yes ;;
2647 no) enable_vtable_verify=no ;;
2648 *) enable_vtable_verify=no;;
2650 [enable_vtable_verify=no])
2651 AC_MSG_RESULT($enable_vtable_verify)
2653 # Record target_configdirs and the configure arguments for target and
2654 # build configuration in Makefile.
2655 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2656 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2657 bootstrap_fixincludes=no
2659 # If we are building libgomp, bootstrap it.
2660 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2661 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2664 # If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan
2665 # or bootstrap-ubsan, bootstrap it.
2666 if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then
2667 case "$BUILD_CONFIG" in
2668 *bootstrap-asan* | *bootstrap-ubsan* )
2669 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer,
2670 bootstrap_fixincludes=yes
2675 # If we are building libvtv and --enable-vtable-verify, bootstrap it.
2676 if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 &&
2677 test "$enable_vtable_verify" != no; then
2678 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv,
2681 # Determine whether gdb needs tk/tcl or not.
2682 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2683 # and in that case we want gdb to be built without tk. Ugh!
2684 # In fact I believe gdb is the *only* package directly dependent on tk,
2685 # so we should be able to put the 'maybe's in unconditionally and
2686 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2687 # 100% sure that that's safe though.
2689 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2690 case "$enable_gdbtk" in
2694 GDB_TK="${gdb_tk}" ;;
2696 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2697 # distro. Eventually someone will fix this and move Insight, nee
2698 # gdbtk to a separate directory.
2699 if test -d ${srcdir}/gdb/gdbtk ; then
2706 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2707 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2709 # Strip out unwanted targets.
2711 # While at that, we remove Makefiles if we were started for recursive
2712 # configuration, so that the top-level Makefile reconfigures them,
2713 # like we used to do when configure itself was recursive.
2715 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2716 # but now we're fixing up the Makefile ourselves with the additional
2717 # commands passed to AC_CONFIG_FILES. Use separate variables
2718 # extrasub-{build,host,target} not because there is any reason to split
2719 # the substitutions up that way, but only to remain below the limit of
2720 # 99 commands in a script, for HP-UX sed.
2722 # Do not nest @if/@endif or @unless/@endunless pairs, because
2723 # configure will not warn you at all.
2725 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2726 yes:yes:*\ gold\ *:*,c++,*) ;;
2727 yes:yes:*\ gold\ *:*)
2728 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2733 for module in ${build_configdirs} ; do
2734 if test -z "${no_recursion}" \
2735 && test -f ${build_subdir}/${module}/Makefile; then
2736 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2737 rm -f ${build_subdir}/${module}/Makefile
2739 extrasub_build="$extrasub_build
2740 /^@if build-$module\$/d
2741 /^@endif build-$module\$/d
2742 /^@unless build-$module\$/,/^@endunless build-$module\$/d
2743 /^@if build-$module-$bootstrap_suffix\$/d
2744 /^@endif build-$module-$bootstrap_suffix\$/d
2745 /^@unless build-$module-$bootstrap_suffix\$/,/^@endunless build-$module-$bootstrap_suffix\$/d"
2748 for module in ${configdirs} ; do
2749 if test -z "${no_recursion}"; then
2750 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2751 if test -f ${file}; then
2752 echo 1>&2 "*** removing ${file} to force reconfigure"
2757 case ${module},${bootstrap_fixincludes} in
2758 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;;
2759 *) host_bootstrap_suffix=$bootstrap_suffix ;;
2761 extrasub_host="$extrasub_host
2763 /^@endif $module\$/d
2764 /^@unless $module\$/,/^@endunless $module\$/d
2765 /^@if $module-$host_bootstrap_suffix\$/d
2766 /^@endif $module-$host_bootstrap_suffix\$/d
2767 /^@unless $module-$host_bootstrap_suffix\$/,/^@endunless $module-$host_bootstrap_suffix\$/d"
2770 for module in ${target_configdirs} ; do
2771 if test -z "${no_recursion}" \
2772 && test -f ${target_subdir}/${module}/Makefile; then
2773 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2774 rm -f ${target_subdir}/${module}/Makefile
2777 # We only bootstrap target libraries listed in bootstrap_target_libs.
2778 case $bootstrap_target_libs in
2779 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2780 *) target_bootstrap_suffix=no-bootstrap ;;
2783 extrasub_target="$extrasub_target
2784 /^@if target-$module\$/d
2785 /^@endif target-$module\$/d
2786 /^@unless target-$module\$/,/^@endunless target-$module\$/d
2787 /^@if target-$module-$target_bootstrap_suffix\$/d
2788 /^@endif target-$module-$target_bootstrap_suffix\$/d
2789 /^@unless target-$module-$target_bootstrap_suffix\$/,/^@endunless target-$module-$target_bootstrap_suffix\$/d"
2792 # Do the final fixup along with target modules.
2793 extrasub_target="$extrasub_target
2798 # Create the serialization dependencies. This uses a temporary file.
2800 AC_ARG_ENABLE([serial-configure],
2801 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2802 [force sequential configuration of
2803 sub-packages for the host, target or build
2804 machine, or all sub-packages])])
2806 case ${enable_serial_configure} in
2808 enable_serial_build_configure=yes
2809 enable_serial_host_configure=yes
2810 enable_serial_target_configure=yes
2814 # These force 'configure's to be done one at a time, to avoid problems
2815 # with contention over a shared config.cache.
2817 echo '# serdep.tmp' > serdep.tmp
2819 test "x${enable_serial_build_configure}" = xyes &&
2820 for item in ${build_configdirs} ; do
2823 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2828 test "x${enable_serial_host_configure}" = xyes &&
2829 for item in ${configdirs} ; do
2832 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2837 test "x${enable_serial_target_configure}" = xyes &&
2838 for item in ${target_configdirs} ; do
2841 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2845 serialization_dependencies=serdep.tmp
2846 AC_SUBST_FILE(serialization_dependencies)
2848 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2849 # target, nonopt, and variable assignments. These are the ones we
2850 # might not want to pass down to subconfigures. The exception being
2851 # --cache-file=/dev/null, which is used to turn off the use of cache
2852 # files altogether, and which should be passed on to subconfigures.
2853 # Also strip program-prefix, program-suffix, and program-transform-name,
2854 # so that we can pass down a consistent program-transform-name.
2859 eval "set -- $ac_configure_args"
2862 if test X"$skip_next" = X"yes"; then
2866 if test X"$keep_next" = X"yes"; then
2869 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2871 baseargs="$baseargs '$ac_arg'"
2872 tbaseargs="$tbaseargs '$ac_arg'"
2877 # Handle separated arguments. Based on the logic generated by
2880 *=* | --config-cache | -C | -disable-* | --disable-* \
2881 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2882 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2883 | -with-* | --with-* | -without-* | --without-* | --x)
2897 --with-* | --without-*)
2898 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2902 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2905 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2914 mpc | mpfr | gmp | isl)
2915 # If we're processing --with-$lib, --with-$lib-include or
2916 # --with-$lib-lib, for one of the libs above, and target is
2917 # different from host, don't pass the current argument to any
2918 # target library's configure.
2919 if test x$is_cross_compiler = xyes; then
2928 --cache-file=/dev/null | \
2929 -cache-file=/dev/null )
2930 # Handled here to avoid the test to skip args below.
2931 baseargs="$baseargs '$ac_arg'"
2932 tbaseargs="$tbaseargs '$ac_arg'"
2933 # Assert: $separate_arg should always be no.
2934 keep_next=$separate_arg
2950 -program-prefix* | \
2951 -program-suffix* | \
2952 -program-transform-name* )
2953 skip_next=$separate_arg
2957 # An option. Add it.
2960 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2962 baseargs="$baseargs '$ac_arg'"
2963 if test X"$skip_targ" = Xno; then
2964 tbaseargs="$tbaseargs '$ac_arg'"
2966 keep_next=$separate_arg
2969 # Either a variable assignment, or a nonopt (triplet). Don't
2970 # pass it down; let the Makefile handle this.
2975 # Remove the initial space we just introduced and, as these will be
2976 # expanded by make, quote '$'.
2977 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2979 # Add in --program-transform-name, after --program-prefix and
2980 # --program-suffix have been applied to it. Autoconf has already
2981 # doubled dollar signs and backslashes in program_transform_name; we want
2982 # the backslashes un-doubled, and then the entire thing wrapped in single
2983 # quotes, because this will be expanded first by make and then by the shell.
2984 # Also, because we want to override the logic in subdir configure scripts to
2985 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2986 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2987 ${program_transform_name}
2989 gcc_transform_name=`cat conftestsed.out`
2990 rm -f conftestsed.out
2991 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2992 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2993 if test "$silent" = yes; then
2994 baseargs="$baseargs --silent"
2995 tbaseargs="$tbaseargs --silent"
2997 baseargs="$baseargs --disable-option-checking"
2998 tbaseargs="$tbaseargs --disable-option-checking"
3000 # Record and document user additions to sub configure arguments.
3001 AC_ARG_VAR([build_configargs],
3002 [additional configure arguments for build directories])
3003 AC_ARG_VAR([host_configargs],
3004 [additional configure arguments for host directories])
3005 AC_ARG_VAR([target_configargs],
3006 [additional configure arguments for target directories])
3008 # For the build-side libraries, we just need to pretend we're native,
3009 # and not use the same cache file. Multilibs are neither needed nor
3010 # desired. We can't even use the same cache file for all build-side
3011 # libraries, as they're compiled differently; some with C, some with
3012 # C++ or with different feature-enabling options.
3013 build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}"
3015 # For host modules, accept cache file option, or specification as blank.
3016 case "${cache_file}" in
3018 cache_file_option="" ;;
3019 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
3020 cache_file_option="--cache-file=${cache_file}" ;;
3022 cache_file_option="--cache-file=../${cache_file}" ;;
3025 # Host dirs don't like to share a cache file either, horribly enough.
3026 # This seems to be due to autoconf 2.5x stupidity.
3027 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
3029 target_configargs="$target_configargs ${tbaseargs}"
3031 # Passing a --with-cross-host argument lets the target libraries know
3032 # whether they are being built with a cross-compiler or being built
3033 # native. However, it would be better to use other mechanisms to make the
3034 # sorts of decisions they want to make on this basis. Please consider
3035 # this option to be deprecated. FIXME.
3036 if test x${is_cross_compiler} = xyes ; then
3037 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
3040 # Special user-friendly check for native x86_64-linux build, if
3041 # multilib is not explicitly enabled.
3042 case "$target:$have_compiler:$host:$target:$enable_multilib" in
3043 x86_64-*linux*:yes:$build:$build:)
3044 # Make sure we have a development environment that handles 32-bit
3046 echo "int main () { return 0; }" > conftest.c
3047 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
3048 if test $? = 0 ; then
3049 if test -s conftest || test -s conftest.exe ; then
3054 if test x${dev64} != xyes ; then
3055 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.])
3060 # Default to --enable-multilib.
3061 if test x${enable_multilib} = x ; then
3062 target_configargs="--enable-multilib ${target_configargs}"
3065 # Pass --with-newlib if appropriate. Note that target_configdirs has
3066 # changed from the earlier setting of with_newlib.
3067 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
3068 target_configargs="--with-newlib ${target_configargs}"
3071 # Different target subdirs use different values of certain variables
3072 # (notably CXX). Worse, multilibs use *lots* of different values.
3073 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
3074 # it doesn't automatically accept command-line overrides of them.
3075 # This means it's not safe for target subdirs to share a cache file,
3076 # which is disgusting, but there you have it. Hopefully this can be
3077 # fixed in future. It's still worthwhile to use a cache file for each
3078 # directory. I think.
3080 # Pass the appropriate --build, --host, --target and --cache-file arguments.
3081 # We need to pass --target, as newer autoconf's requires consistency
3082 # for target_alias and gcc doesn't manage it consistently.
3083 target_configargs="--cache-file=./config.cache ${target_configargs}"
3086 case " $target_configdirs " in
3088 case " $target_configargs " in
3089 *" --with-newlib "*)
3092 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include'
3096 # If we're not building GCC, don't discard standard headers.
3097 if test -d ${srcdir}/gcc; then
3098 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
3100 if test "${build}" != "${host}"; then
3101 # On Canadian crosses, CC_FOR_TARGET will have already been set
3102 # by `configure', so we won't have an opportunity to add -Bgcc/
3103 # to it. This is right: we don't want to search that directory
3104 # for binaries, but we want the header files in there, so add
3106 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
3108 # Someone might think of using the pre-installed headers on
3109 # Canadian crosses, in case the installed compiler is not fully
3110 # compatible with the compiler being built. In this case, it
3111 # would be better to flag an error than risking having
3112 # incompatible object files being constructed. We can't
3113 # guarantee that an error will be flagged, but let's hope the
3114 # compiler will do it, when presented with incompatible header
3119 case "${target}-${is_cross_compiler}" in
3120 i[[3456789]]86-*-linux*-no)
3121 # Here host == target, so we don't need to build gcc,
3122 # so we don't want to discard standard headers.
3123 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
3126 # If we're building newlib, use its generic headers last, but search
3127 # for any libc-related directories first (so make it the last -B
3129 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
3131 # If we're building libgloss, find the startup file, simulator library
3132 # and linker script.
3133 case " $target_configdirs " in
3135 # Look for startup file, simulator library and maybe linker script.
3136 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
3137 # Look for libnosys.a in case the target needs it.
3138 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
3139 # Most targets have the linker script in the source directory.
3140 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
3151 x86_64-*mingw* | *-w64-mingw*)
3152 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
3153 # however, use a symlink named 'mingw' in ${prefix} .
3154 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
3157 # MinGW can't be handled as Cygwin above since it does not use newlib.
3158 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
3162 # Allow the user to override the flags for
3163 # our build compiler if desired.
3164 if test x"${build}" = x"${host}" ; then
3165 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3166 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3167 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3170 # On Canadian crosses, we'll be searching the right directories for
3171 # the previously-installed cross compiler, so don't bother to add
3172 # flags for directories within the install tree of the compiler
3173 # being built; programs in there won't even run.
3174 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
3175 # Search for pre-installed headers if nothing else fits.
3176 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
3179 if test "x${use_gnu_ld}" = x &&
3180 echo " ${configdirs} " | grep " ld " > /dev/null ; then
3181 # Arrange for us to find uninstalled linker scripts.
3182 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
3185 # Search for other target-specific linker scripts and such.
3188 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3192 # Makefile fragments.
3193 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3195 eval fragval=\$$frag
3196 if test $fragval != /dev/null; then
3197 eval $frag=${srcdir}/$fragval
3200 AC_SUBST_FILE(host_makefile_frag)
3201 AC_SUBST_FILE(target_makefile_frag)
3202 AC_SUBST_FILE(alphaieee_frag)
3203 AC_SUBST_FILE(ospace_frag)
3205 # Miscellanea: directories, flags, etc.
3206 AC_SUBST(RPATH_ENVVAR)
3207 AC_SUBST(GCC_SHLIB_SUBDIR)
3209 AC_SUBST(build_tooldir)
3210 AC_SUBST(CONFIGURE_GDB_TK)
3212 AC_SUBST(INSTALL_GDB_TK)
3214 # Build module lists & subconfigure args.
3215 AC_SUBST(build_configargs)
3216 AC_SUBST(build_configdirs)
3218 # Host module lists & subconfigure args.
3219 AC_SUBST(host_configargs)
3220 AC_SUBST(configdirs)
3221 AC_SUBST(target_configdirs)
3223 # Target module lists & subconfigure args.
3224 AC_SUBST(target_configargs)
3228 AC_SUBST(AR_FOR_BUILD)
3229 AC_SUBST(AS_FOR_BUILD)
3230 AC_SUBST(CC_FOR_BUILD)
3231 AC_SUBST(CFLAGS_FOR_BUILD)
3232 AC_SUBST(CXXFLAGS_FOR_BUILD)
3233 AC_SUBST(CXX_FOR_BUILD)
3234 AC_SUBST(DLLTOOL_FOR_BUILD)
3235 AC_SUBST(GFORTRAN_FOR_BUILD)
3236 AC_SUBST(GOC_FOR_BUILD)
3237 AC_SUBST(LDFLAGS_FOR_BUILD)
3238 AC_SUBST(LD_FOR_BUILD)
3239 AC_SUBST(NM_FOR_BUILD)
3240 AC_SUBST(RANLIB_FOR_BUILD)
3241 AC_SUBST(WINDMC_FOR_BUILD)
3242 AC_SUBST(WINDRES_FOR_BUILD)
3244 # Generate default definitions for YACC, M4, LEX and other programs that run
3245 # on the build machine. These are used if the Makefile can't locate these
3246 # programs in objdir.
3247 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3249 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3250 case " $build_configdirs " in
3251 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3254 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3255 case " $build_configdirs " in
3256 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3259 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3260 case " $build_configdirs " in
3261 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3264 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3265 case " $build_configdirs " in
3266 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3267 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3270 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3271 case " $build_configdirs " in
3272 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3275 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3276 case " $build_configdirs " in
3277 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3280 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3281 # higher, else we use the "missing" dummy.
3282 if ${MAKEINFO} --version \
3283 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3286 MAKEINFO="$MISSING makeinfo"
3292 # FIXME: expect and dejagnu may become build tools?
3294 AC_CHECK_PROGS(EXPECT, expect, expect)
3295 case " $configdirs " in
3297 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3301 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3302 case " $configdirs " in
3304 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3310 NCN_STRICT_CHECK_TOOLS(AR, ar)
3311 NCN_STRICT_CHECK_TOOLS(AS, as)
3312 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3313 NCN_STRICT_CHECK_TOOLS(LD, ld)
3314 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3315 NCN_STRICT_CHECK_TOOLS(NM, nm)
3316 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3317 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3318 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3319 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3320 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3321 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3322 NCN_STRICT_CHECK_TOOLS(READELF, readelf)
3329 AC_ARG_WITH([build-time-tools],
3330 [AS_HELP_STRING([--with-build-time-tools=PATH],
3331 [use given path to find target tools during the build])],
3332 [case x"$withval" in
3335 with_build_time_tools=
3336 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3339 [with_build_time_tools=])
3341 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3342 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3343 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3344 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3345 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3347 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3348 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3349 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3350 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3351 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3352 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3353 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy)
3354 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3355 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3356 ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
3357 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3358 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3359 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3361 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3363 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3364 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3365 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3366 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3367 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3368 [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],
3370 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3371 [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],
3373 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3374 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3375 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3376 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3377 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3378 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3379 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3380 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3381 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3382 GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy])
3383 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3384 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3385 GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
3386 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3387 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3388 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3390 AC_SUBST(FLAGS_FOR_TARGET)
3391 AC_SUBST(RAW_CXX_FOR_TARGET)
3393 # Certain tools may need extra flags.
3394 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3395 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3396 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3398 # When building target libraries, except in a Canadian cross, we use
3399 # the same toolchain as the compiler we just built.
3400 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3401 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3402 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3403 if test $host = $build; then
3404 case " $configdirs " in
3406 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3407 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3408 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3413 AC_SUBST(COMPILER_AS_FOR_TARGET)
3414 AC_SUBST(COMPILER_LD_FOR_TARGET)
3415 AC_SUBST(COMPILER_NM_FOR_TARGET)
3417 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3418 AC_ARG_ENABLE(maintainer-mode,
3419 [AS_HELP_STRING([--enable-maintainer-mode],
3420 [enable make rules and dependencies not useful
3421 (and sometimes confusing) to the casual installer])],
3422 USE_MAINTAINER_MODE=$enableval,
3423 USE_MAINTAINER_MODE=no)
3424 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3425 AC_SUBST(MAINTAINER_MODE_TRUE)
3426 AC_SUBST(MAINTAINER_MODE_FALSE)
3427 if test "$USE_MAINTAINER_MODE" = yes; then
3428 MAINTAINER_MODE_TRUE=
3429 MAINTAINER_MODE_FALSE='#'
3431 MAINTAINER_MODE_TRUE='#'
3432 MAINTAINER_MODE_FALSE=
3434 MAINT=$MAINTAINER_MODE_TRUE
3437 # ---------------------
3438 # GCC bootstrap support
3439 # ---------------------
3441 # Stage specific cflags for build.
3446 yes) stage1_cflags="-g -Wa,-J" ;;
3447 *) stage1_cflags="-g -J" ;;
3451 AC_SUBST(stage1_cflags)
3453 # Enable --enable-checking in stage1 of the compiler.
3454 AC_ARG_ENABLE(stage1-checking,
3455 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3456 [choose additional checking for stage1 of the compiler])],
3457 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3458 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3459 # For --disable-checking or implicit --enable-checking=release, avoid
3460 # setting --enable-checking=gc in the default stage1 checking for LTO
3461 # bootstraps. See PR62077.
3462 case $BUILD_CONFIG in
3464 stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types;;
3466 stage1_checking=--enable-checking=yes,types;;
3468 if test "x$enable_checking" = x && \
3469 test -d ${srcdir}/gcc && \
3470 test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then
3471 stage1_checking=--enable-checking=yes,types,extra
3474 stage1_checking=--enable-checking=$enable_checking,types
3476 AC_SUBST(stage1_checking)
3478 # Enable -Werror in bootstrap stage2 and later.
3479 AC_ARG_ENABLE(werror,
3480 [AS_HELP_STRING([--enable-werror],
3481 [enable -Werror in bootstrap stage2 and later])],
3483 case ${enable_werror} in
3484 yes) stage2_werror_flag="--enable-werror-always" ;;
3485 *) stage2_werror_flag="" ;;
3489 if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3490 case $BUILD_CONFIG in
3492 stage2_werror_flag="--enable-werror-always" ;;
3494 stage2_werror_flag="--enable-werror-always" ;;
3499 AC_SUBST(stage2_werror_flag)
3501 # Specify what files to not compare during bootstrap.
3503 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3505 hppa*64*-*-hpux*) ;;
3506 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/* | gcc/function-tests.o" ;;
3507 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;;
3509 AC_SUBST(compare_exclusions)
3511 AC_CONFIG_FILES([Makefile],
3512 [sed "$extrasub_build" Makefile |
3513 sed "$extrasub_host" |
3514 sed "$extrasub_target" > mf$$
3515 mv -f mf$$ Makefile],
3516 [extrasub_build="$extrasub_build"
3517 extrasub_host="$extrasub_host"
3518 extrasub_target="$extrasub_target"])