1 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
2 # 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012,
3 # 2014, 2015, 2016, 2019, 2022 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(config/ax_cxx_compile_stdcxx.m4)
27 m4_include([libtool.m4])
28 m4_include([ltoptions.m4])
29 m4_include([ltsugar.m4])
30 m4_include([ltversion.m4])
31 m4_include([lt~obsolete.m4])
32 m4_include([config/isl.m4])
34 AC_INIT(move-if-change)
35 AC_DISABLE_OPTION_CHECKING
38 # if PWD already has a value, it is probably wrong.
39 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
41 # Export original configure arguments for use by sub-configures.
42 # Quote arguments with shell meta charatcers.
43 TOPLEVEL_CONFIGURE_ARGUMENTS=
44 set -- "$progname" "$@"
48 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
49 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
50 # if the argument is of the form -foo=baz, quote the baz part only
51 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
54 # Add the quoted argument to the list.
55 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
57 if test "$silent" = yes; then
58 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
60 # Remove the initial space we just introduced and, as these will be
61 # expanded by make, quote '$'.
62 TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
63 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
65 # Find the build, host, and target systems.
66 ACX_NONCANONICAL_BUILD
68 ACX_NONCANONICAL_TARGET
70 dnl Autoconf 2.5x and later will set a default program prefix if
71 dnl --target was used, even if it was the same as --host. Disable
72 dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
74 test "$host_noncanonical" = "$target_noncanonical" &&
75 test "$program_prefix$program_suffix$program_transform_name" = \
77 program_transform_name=s,y,y,
82 m4_pattern_allow([^AS_FOR_TARGET$])dnl
83 m4_pattern_allow([^AS_FOR_BUILD$])dnl
85 # Get 'install' or 'install-sh' and its variants.
92 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
94 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
96 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
97 INSTALL="${srcpwd}/install-sh -c"
100 # Set srcdir to "." if that's what it is.
101 # This is important for multilib support.
103 if test "${pwd}" = "${srcpwd}" ; then
111 ### To add a new directory to the tree, first choose whether it is a target
112 ### or a host dependent tool. Then put it into the appropriate list
113 ### (library or tools, host or target), doing a dependency sort.
115 # Subdirs will be configured in the order listed in build_configdirs,
116 # configdirs, or target_configdirs; see the serialization section below.
118 # Dependency sorting is only needed when *configuration* must be done in
119 # a particular order. In all cases a dependency should be specified in
120 # the Makefile, whether or not it's implicitly specified here.
122 # Double entries in build_configdirs, configdirs, or target_configdirs may
123 # cause circular dependencies and break everything horribly.
125 # these library is used by various programs built for the build
128 build_libs="build-libiberty build-libcpp"
130 # these tools are built for the build environment
131 build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes"
133 # these libraries are used by various programs built for the host environment
135 host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libcody libdecnumber gmp mpfr mpc isl libiconv libctf libsframe"
137 # these tools are built for the host environment
138 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
139 # know that we are building the simulator.
140 # binutils, gas and ld appear in that order because it makes sense to run
141 # "make check" in that particular order.
142 # If --enable-gold is used, "gold" may replace "ld".
143 host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gdbserver gprof etc expect dejagnu m4 utils guile fastjar gnattools libcc1 gm2tools gotools c++tools"
145 # these libraries are built for the target environment, and are built after
146 # the host libraries and the host tools (which may be a cross compiler)
147 # Note that libiberty is not a target library.
148 target_libraries="target-libgcc \
149 target-libbacktrace \
155 target-libstdc++-v3 \
156 target-libsanitizer \
169 # these tools are built using the target libraries, and are intended to
170 # run only in the target environment
172 # note: any program that *uses* libraries that are in the "target_libraries"
173 # list belongs in this list.
175 target_tools="target-rda"
177 ################################################################################
179 ## All tools belong in one of the four categories, and are assigned above
180 ## We assign ${configdirs} this way to remove all embedded newlines. This
181 ## is important because configure will choke if they ever get through.
182 ## ${configdirs} is directories we build using the host tools.
183 ## ${target_configdirs} is directories we build using the target tools.
184 configdirs=`echo ${host_libs} ${host_tools}`
185 target_configdirs=`echo ${target_libraries} ${target_tools}`
186 build_configdirs=`echo ${build_libs} ${build_tools}`
188 m4_divert_text([PARSE_ARGS],
191 m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
192 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
193 m4_popdef([AS_MESSAGE_LOG_FD])dnl
196 ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
199 ################################################################################
201 srcname="gnu development package"
203 # This gets set non-empty for some net releases of packages.
206 # Define is_cross_compiler to save on calls to 'test'.
208 if test x"${host}" = x"${target}" ; then
211 is_cross_compiler=yes
214 # Find the build and target subdir names.
216 # Be sure to cover against remnants of an in-tree build.
217 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
218 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
219 Use a pristine source tree when building in a separate tree])
222 # Skipdirs are removed silently.
224 # Noconfigdirs are removed loudly.
228 # Make sure we don't let GNU ld be added if we didn't want it.
229 if test x$with_gnu_ld = xno ; then
231 noconfigdirs="$noconfigdirs ld gold"
235 # Make sure we don't let GNU as be added if we didn't want it.
236 if test x$with_gnu_as = xno ; then
238 noconfigdirs="$noconfigdirs gas"
242 AC_ARG_WITH(system-zlib,
243 [AS_HELP_STRING([--with-system-zlib], [use installed libz])])
244 # Make sure we don't let ZLIB be added if we didn't want it.
245 if test x$with_system_zlib = xyes ; then
247 noconfigdirs="$noconfigdirs zlib"
250 # Don't compile the bundled readline/libreadline.a if --with-system-readline
252 if test x$with_system_readline = xyes ; then
253 noconfigdirs="$noconfigdirs readline"
256 # some tools are so dependent upon X11 that if we're not building with X,
257 # it's not even worth trying to configure, much less build, that tool.
260 yes | "") ;; # the default value for this tree is that X11 is available
262 skipdirs="${skipdirs} tk itcl libgui"
263 # We won't be able to build gdbtk without X.
266 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
269 # Some are only suitable for cross toolchains.
270 # Remove these if host=target.
271 cross_only="target-libgloss target-newlib target-opcodes"
273 case $is_cross_compiler in
274 no) skipdirs="${skipdirs} ${cross_only}" ;;
277 # If both --with-headers and --with-libs are specified, default to
279 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
280 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
281 if test x"${with_newlib}" = x ; then
286 # Recognize --with-newlib/--without-newlib.
287 case ${with_newlib} in
288 no) skipdirs="${skipdirs} target-newlib" ;;
289 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
292 AC_ARG_ENABLE(as-accelerator-for,
293 [AS_HELP_STRING([--enable-as-accelerator-for=ARG],
294 [build as offload target compiler.
295 Specify offload host triple by ARG])])
297 AC_ARG_ENABLE(offload-targets,
298 [AS_HELP_STRING([--enable-offload-targets=LIST],
299 [enable offloading to devices from comma-separated LIST of
300 TARGET[=DIR]. Use optional path to find offload target compiler
303 if test x"$enable_offload_targets" = x; then
304 AC_MSG_ERROR([no offload targets specified])
306 ], [enable_offload_targets=])
308 AC_ARG_ENABLE(offload-defaulted,
309 [AS_HELP_STRING([--enable-offload-defaulted]
310 [If enabled, configured but not installed offload compilers and
311 libgomp plugins are silently ignored. Useful for distribution
312 compilers where those are in separate optional packages.])],
313 [enable_offload_defaulted=$enableval],
314 [enable_offload_defaulted=])
316 # Handle --enable-gold, --enable-ld.
317 # --disable-gold [--enable-ld]
318 # Build only ld. Default option.
319 # --enable-gold [--enable-ld]
320 # Build both gold and ld. Install gold as "ld.gold", install ld
321 # as "ld.bfd" and "ld".
322 # --enable-gold=default [--enable-ld]
323 # Build both gold and ld. Install gold as "ld.gold" and "ld",
324 # install ld as "ld.bfd".
325 # --enable-gold[=default] --disable-ld
326 # Build only gold, which is then installed as both "ld.gold" and "ld".
327 # --enable-gold --enable-ld=default
328 # Build both gold (installed as "ld.gold") and ld (installed as "ld"
330 # In other words, ld is default
331 # --enable-gold=default --enable-ld=default
336 [AS_HELP_STRING([[--enable-gold[=ARG]]],
337 [build gold @<:@ARG={default,yes,no}@:>@])],
338 ENABLE_GOLD=$enableval,
340 case "${ENABLE_GOLD}" in
342 # Check for ELF target.
345 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
346 | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
347 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
348 | *-*-solaris2* | *-*-nto* | *-*-nacl*)
350 *-*-linux*aout* | *-*-linux*oldld*)
358 if test "$is_elf" = "yes"; then
359 # Check for target supported by gold.
361 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \
362 | aarch64*-*-* | mips*-*-* | s390*-*-* | loongarch*-*-*)
363 configdirs="$configdirs gold"
364 if test x${ENABLE_GOLD} = xdefault; then
375 AC_MSG_ERROR([invalid --enable-gold argument])
380 [AS_HELP_STRING([[--enable-ld[=ARG]]],
381 [build ld @<:@ARG={default,yes,no}@:>@])],
382 ENABLE_LD=$enableval,
385 case "${ENABLE_LD}" in
387 if test x${default_ld} != x; then
388 AC_MSG_ERROR([either gold or ld can be the default ld])
394 if test x${ENABLE_GOLD} != xyes; then
395 AC_MSG_WARN([neither ld nor gold are enabled])
397 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
400 AC_MSG_ERROR([invalid --enable-ld argument])
405 # Decide the default method for compressing debug sections.
406 # Provide a configure time option to override our default.
407 AC_ARG_ENABLE(compressed_debug_sections,
408 [AS_HELP_STRING([--enable-compressed-debug-sections={all,gas,gold,ld,none}],
409 [Enable compressed debug sections for gas, gold or ld by
412 if test x"$enable_compressed_debug_sections" = xyes; then
413 AC_MSG_ERROR([no program with compressed debug sections specified])
415 ], [enable_compressed_debug_sections=])
417 # Configure extra directories which are host specific
421 configdirs="$configdirs libtermcap" ;;
424 # A target can indicate whether a language isn't supported for some reason.
425 # Only spaces may be used in this macro; not newlines or tabs.
426 unsupported_languages=
428 # Remove more programs from consideration, based on the host or
429 # target this usually means that a port of the program doesn't
433 i[[3456789]]86-*-msdosdjgpp*)
434 noconfigdirs="$noconfigdirs tcl tk itcl"
439 AC_ARG_ENABLE(libquadmath,
440 AS_HELP_STRING([--disable-libquadmath],
441 [do not build libquadmath directory]),
442 ENABLE_LIBQUADMATH=$enableval,
443 ENABLE_LIBQUADMATH=yes)
444 if test "${ENABLE_LIBQUADMATH}" = "no" ; then
445 noconfigdirs="$noconfigdirs target-libquadmath"
449 AC_ARG_ENABLE(libquadmath-support,
450 AS_HELP_STRING([--disable-libquadmath-support],
451 [disable libquadmath support for Fortran]),
452 ENABLE_LIBQUADMATH_SUPPORT=$enableval,
453 ENABLE_LIBQUADMATH_SUPPORT=yes)
454 enable_libquadmath_support=
455 if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
456 enable_libquadmath_support=no
460 AC_ARG_ENABLE(libada,
461 [AS_HELP_STRING([--enable-libada], [build libada directory])],
462 ENABLE_LIBADA=$enableval,
464 if test "${ENABLE_LIBADA}" != "yes" ; then
465 noconfigdirs="$noconfigdirs gnattools"
468 AC_ARG_ENABLE(libgm2,
469 [AS_HELP_STRING([--enable-libgm2], [build libgm2 directory])],
470 ENABLE_LIBGM2=$enableval,
472 if test "${ENABLE_LIBGM2}" != "yes" ; then
473 noconfigdirs="$noconfigdirs gm2tools"
476 AC_ARG_ENABLE(libssp,
477 [AS_HELP_STRING([--enable-libssp], [build libssp directory])],
478 ENABLE_LIBSSP=$enableval,
481 AC_ARG_ENABLE(libstdcxx,
482 AS_HELP_STRING([--disable-libstdcxx],
483 [do not build libstdc++-v3 directory]),
484 ENABLE_LIBSTDCXX=$enableval,
485 ENABLE_LIBSTDCXX=default)
486 [if test "${ENABLE_LIBSTDCXX}" = "no" ; then
487 noconfigdirs="$noconfigdirs target-libstdc++-v3"
490 # Enable libgomp by default on hosted POSIX systems, and a few others.
491 if test x$enable_libgomp = x ; then
493 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
495 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
497 *-*-solaris2* | *-*-hpux11*)
499 *-*-darwin* | *-*-aix*)
501 nvptx*-*-* | amdgcn*-*-*)
504 noconfigdirs="$noconfigdirs target-libgomp"
509 # Disable libatomic on unsupported systems.
510 if test -d ${srcdir}/libatomic; then
511 if test x$enable_libatomic = x; then
512 AC_MSG_CHECKING([for libatomic support])
513 if (srcdir=${srcdir}/libatomic; \
514 . ${srcdir}/configure.tgt; \
515 test -n "$UNSUPPORTED")
518 noconfigdirs="$noconfigdirs target-libatomic"
525 # Disable libitm on unsupported systems.
526 if test -d ${srcdir}/libitm; then
527 if test x$enable_libitm = x; then
528 AC_MSG_CHECKING([for libitm support])
529 if (srcdir=${srcdir}/libitm; \
530 . ${srcdir}/configure.tgt; \
531 test -n "$UNSUPPORTED")
534 noconfigdirs="$noconfigdirs target-libitm"
541 # Disable libsanitizer on unsupported systems.
542 if test -d ${srcdir}/libsanitizer; then
543 if test x$enable_libsanitizer = x; then
544 AC_MSG_CHECKING([for libsanitizer support])
545 if (srcdir=${srcdir}/libsanitizer; \
546 . ${srcdir}/configure.tgt; \
547 test -n "$UNSUPPORTED")
550 noconfigdirs="$noconfigdirs target-libsanitizer"
557 # Disable libvtv on unsupported systems.
558 if test -d ${srcdir}/libvtv; then
559 if test x$enable_libvtv = x; then
560 AC_MSG_CHECKING([for libvtv support])
561 if (srcdir=${srcdir}/libvtv; \
562 . ${srcdir}/configure.tgt; \
563 test "$VTV_SUPPORTED" != "yes")
566 noconfigdirs="$noconfigdirs target-libvtv"
573 # Disable libquadmath for some systems.
576 noconfigdirs="$noconfigdirs target-libquadmath"
578 # libquadmath is unused on AIX and libquadmath build process use of
579 # LD_LIBRARY_PATH can break AIX bootstrap.
580 powerpc-*-aix* | rs6000-*-aix*)
581 noconfigdirs="$noconfigdirs target-libquadmath"
585 # Disable libssp for some systems.
588 # No hosted I/O support.
589 noconfigdirs="$noconfigdirs target-libssp"
592 noconfigdirs="$noconfigdirs target-libssp"
594 powerpc-*-aix* | rs6000-*-aix*)
595 noconfigdirs="$noconfigdirs target-libssp"
598 # No hosted I/O support.
599 noconfigdirs="$noconfigdirs target-libssp"
602 # libssp uses a misaligned load to trigger a fault, but the RL78
603 # doesn't fault for those - instead, it gives a build-time error
604 # for explicit misaligned loads.
605 noconfigdirs="$noconfigdirs target-libssp"
608 # No hosted I/O support.
609 noconfigdirs="$noconfigdirs target-libssp"
613 # Disable libstdc++-v3 for some systems.
614 # Allow user to override this if they pass --enable-libstdcxx
615 if test "${ENABLE_LIBSTDCXX}" = "default" ; then
618 # VxWorks uses the Dinkumware C++ library.
619 noconfigdirs="$noconfigdirs target-libstdc++-v3"
622 # Not ported/fails to build when using newlib.
623 noconfigdirs="$noconfigdirs target-libstdc++-v3"
626 # the C++ libraries don't build on top of CE's C libraries
627 noconfigdirs="$noconfigdirs target-libstdc++-v3"
630 noconfigdirs="$noconfigdirs target-libstdc++-v3"
633 noconfigdirs="$noconfigdirs target-libstdc++-v3"
636 noconfigdirs="$noconfigdirs target-libstdc++-v3"
641 # Disable C++ on systems where it is known to not work.
642 # For testing, you can override this with --enable-languages=c++.
643 case ,${enable_languages}, in
649 unsupported_languages="$unsupported_languages c++"
655 # Disable Objc on systems where it is known to not work.
656 # For testing, you can override this with --enable-languages=objc.
657 case ,${enable_languages}, in
663 unsupported_languages="$unsupported_languages objc"
669 # Disable D on systems where it is known to not work.
670 # For testing, you can override this with --enable-languages=d.
671 case ,${enable_languages}, in
677 unsupported_languages="$unsupported_languages d"
683 # Disable libphobos on unsupported systems.
684 # For testing, you can override this with --enable-libphobos.
685 if test -d ${srcdir}/libphobos; then
686 if test x$enable_libphobos = x; then
687 AC_MSG_CHECKING([for libphobos support])
688 if (srcdir=${srcdir}/libphobos; \
689 . ${srcdir}/configure.tgt; \
690 test "$LIBPHOBOS_SUPPORTED" != "yes")
693 noconfigdirs="$noconfigdirs target-libphobos"
700 # Disable Fortran for some systems.
703 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
704 unsupported_languages="$unsupported_languages fortran"
707 unsupported_languages="$unsupported_languages fortran"
711 # Disable libffi for some systems.
715 i[[3456789]]86-*-darwin*)
717 x86_64-*-darwin[[912]]*)
720 noconfigdirs="$noconfigdirs target-libffi"
723 noconfigdirs="$noconfigdirs target-libffi"
726 noconfigdirs="$noconfigdirs target-libffi"
729 noconfigdirs="$noconfigdirs target-libffi"
732 noconfigdirs="$noconfigdirs target-libffi"
735 noconfigdirs="$noconfigdirs target-libffi"
738 noconfigdirs="$noconfigdirs target-libffi"
741 noconfigdirs="$noconfigdirs target-libffi"
744 noconfigdirs="$noconfigdirs target-libffi"
747 noconfigdirs="$noconfigdirs target-libffi"
750 noconfigdirs="$noconfigdirs target-libffi"
753 noconfigdirs="$noconfigdirs target-libffi"
756 noconfigdirs="$noconfigdirs target-libffi"
758 cris-*-* | crisv32-*-*)
762 *) # See PR46792 regarding target-libffi.
763 noconfigdirs="$noconfigdirs target-libffi";;
767 noconfigdirs="$noconfigdirs target-libffi"
770 noconfigdirs="$noconfigdirs target-libffi"
772 i[[3456789]]86-w64-mingw*)
773 noconfigdirs="$noconfigdirs target-libffi"
775 i[[3456789]]86-*-mingw*)
776 noconfigdirs="$noconfigdirs target-libffi"
779 noconfigdirs="$noconfigdirs target-libffi"
782 noconfigdirs="$noconfigdirs target-libffi"
789 noconfigdirs="$noconfigdirs target-libffi"
792 noconfigdirs="$noconfigdirs target-libffi"
796 # Disable the go frontend on systems where it is known to not work. Please keep
797 # this in sync with contrib/config-list.mk.
799 *-*-darwin* | *-*-cygwin* | *-*-mingw* | bpf-* )
800 unsupported_languages="$unsupported_languages go"
804 # Only allow gdbserver on some systems.
805 if test -d ${srcdir}/gdbserver; then
806 if test x$enable_gdbserver = x; then
807 AC_MSG_CHECKING([for gdbserver support])
808 if (srcdir=${srcdir}/gdbserver; \
809 . ${srcdir}/configure.srv; \
810 test -n "$UNSUPPORTED")
813 noconfigdirs="$noconfigdirs gdbserver"
820 # Disable libgo for some systems where it is known to not work.
821 # For testing, you can easily override this with --enable-libgo.
822 if test x$enable_libgo = x; then
826 noconfigdirs="$noconfigdirs target-libgo"
828 *-*-cygwin* | *-*-mingw*)
829 noconfigdirs="$noconfigdirs target-libgo"
832 noconfigdirs="$noconfigdirs target-libgo"
837 # Default libgloss CPU subdirectory.
838 libgloss_dir="$target_cpu"
841 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
850 cris-*-* | crisv32-*-*)
860 libgloss_dir=loongarch
862 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
882 # Disable newlib and libgloss for various target OSes.
885 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
887 i[[3456789]]86-*-linux*)
888 # This section makes it possible to build newlib natively on linux.
889 # If we are using a cross compiler then don't configure newlib.
890 if test x${is_cross_compiler} != xno ; then
891 noconfigdirs="$noconfigdirs target-newlib"
893 noconfigdirs="$noconfigdirs target-libgloss"
894 # If we are not using a cross compiler, do configure newlib.
895 # Note however, that newlib will only be configured in this situation
896 # if the --with-newlib option has been given, because otherwise
897 # 'target-newlib' will appear in skipdirs.
899 i[[3456789]]86-*-rdos*)
900 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
902 sh*-*-pe|mips*-*-pe|arm-wince-pe)
903 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
906 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
909 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
912 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
915 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
918 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
921 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
924 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
926 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
927 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
930 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
933 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
936 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
939 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
942 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
945 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
948 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
956 noconfigdirs="$noconfigdirs ld gas gdb gprof"
957 noconfigdirs="$noconfigdirs sim target-rda"
962 noconfigdirs="$noconfigdirs ld gas gdb gprof"
963 noconfigdirs="$noconfigdirs sim target-rda"
966 noconfigdirs="$noconfigdirs ld gas gdb gprof"
967 noconfigdirs="$noconfigdirs sim target-rda"
969 i[[3456789]]86-*-darwin*)
970 noconfigdirs="$noconfigdirs ld gprof"
971 noconfigdirs="$noconfigdirs sim target-rda"
973 x86_64-*-darwin[[912]]*)
974 noconfigdirs="$noconfigdirs ld gas gprof"
975 noconfigdirs="$noconfigdirs sim target-rda"
978 noconfigdirs="$noconfigdirs ld gas gdb gprof"
979 noconfigdirs="$noconfigdirs sim target-rda"
984 if test "x$with_gmp" = x \
985 && ! test -d ${srcdir}/gmp \
986 && test -f /usr/local/include/gmp.h; then
991 # Remove unsupported stuff on all kaOS configurations.
992 noconfigdirs="$noconfigdirs target-libgloss"
999 noconfigdirs="$noconfigdirs target-libgloss"
1002 noconfigdirs="$noconfigdirs target-libgloss"
1004 # The tpf target doesn't support gdb yet.
1006 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
1009 noconfigdirs="$noconfigdirs target-rda"
1014 # ld works, but does not support shared libraries.
1015 # gas doesn't generate exception information.
1016 noconfigdirs="$noconfigdirs gas ld"
1019 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
1022 # newlib is not 64 bit ready
1023 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1026 noconfigdirs="$noconfigdirs target-libobjc target-libbacktrace"
1028 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
1029 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
1032 noconfigdirs="$noconfigdirs sim"
1035 noconfigdirs="$noconfigdirs target-libgloss"
1038 noconfigdirs="$noconfigdirs ld target-libgloss"
1041 if test x${with_avrlibc} != xno; then
1042 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1045 c4x-*-* | tic4x-*-*)
1046 noconfigdirs="$noconfigdirs target-libgloss"
1049 noconfigdirs="$noconfigdirs target-libgloss gdb"
1052 noconfigdirs="$noconfigdirs target-libgloss"
1055 noconfigdirs="$noconfigdirs gdb"
1058 noconfigdirs="$noconfigdirs gdb"
1061 noconfigdirs="$noconfigdirs target-rda gprof"
1064 noconfigdirs="$noconfigdirs"
1067 noconfigdirs="$noconfigdirs target-libgloss"
1070 noconfigdirs="$noconfigdirs target-libgloss"
1073 noconfigdirs="$noconfigdirs gdb"
1081 hppa*-*-openbsd* | \
1087 noconfigdirs="$noconfigdirs ld"
1090 noconfigdirs="$noconfigdirs gdb"
1093 # No gdb support yet.
1094 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
1097 # No ld support yet.
1098 noconfigdirs="$noconfigdirs gdb libgui itcl ld"
1101 # No ld support yet.
1102 noconfigdirs="$noconfigdirs libgui itcl ld"
1104 i[[3456789]]86-w64-mingw*)
1106 i[[3456789]]86-*-mingw*)
1107 target_configdirs="$target_configdirs target-winsup"
1110 target_configdirs="$target_configdirs target-libtermcap target-winsup"
1111 noconfigdirs="$noconfigdirs target-libgloss"
1112 # always build newlib if winsup directory is present.
1113 if test -d "$srcdir/winsup/cygwin"; then
1114 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1115 elif test -d "$srcdir/newlib"; then
1116 echo "Warning: winsup/cygwin is missing so newlib can't be built."
1119 i[[3456789]]86-*-pe)
1120 noconfigdirs="$noconfigdirs target-libgloss"
1122 i[[3456789]]86-*-sco3.2v5*)
1123 # The linker does not yet know about weak symbols in COFF,
1124 # and is not configured to handle mixed ELF and COFF.
1125 noconfigdirs="$noconfigdirs ld target-libgloss"
1127 i[[3456789]]86-*-sco*)
1128 noconfigdirs="$noconfigdirs gprof target-libgloss"
1130 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
1131 noconfigdirs="$noconfigdirs target-libgloss"
1133 i[[3456789]]86-*-sysv4*)
1134 noconfigdirs="$noconfigdirs target-libgloss"
1136 i[[3456789]]86-*-beos*)
1137 noconfigdirs="$noconfigdirs gdb"
1139 i[[3456789]]86-*-rdos*)
1140 noconfigdirs="$noconfigdirs gdb"
1143 noconfigdirs="$noconfigdirs gdb"
1146 noconfigdirs="$noconfigdirs sim"
1149 noconfigdirs="$noconfigdirs ld gas gdb gprof sim"
1150 noconfigdirs="$noconfigdirs $target_libraries"
1153 noconfigdirs="$noconfigdirs gdb gprof"
1156 # copied from rs6000-*-* entry
1157 noconfigdirs="$noconfigdirs gprof"
1159 powerpc*-*-winnt* | powerpc*-*-pe*)
1160 target_configdirs="$target_configdirs target-winsup"
1161 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
1162 # always build newlib.
1163 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1165 # This is temporary until we can link against shared libraries
1166 powerpcle-*-solaris*)
1167 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
1170 noconfigdirs="$noconfigdirs gdb"
1173 noconfigdirs="$noconfigdirs gprof"
1176 noconfigdirs="$noconfigdirs gprof"
1179 noconfigdirs="$noconfigdirs gprof"
1182 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
1185 noconfigdirs="$noconfigdirs gprof"
1187 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
1188 if test x$with_newlib = xyes; then
1189 noconfigdirs="$noconfigdirs gprof"
1193 noconfigdirs="$noconfigdirs gprof target-libgloss"
1196 noconfigdirs="$noconfigdirs gprof target-libgloss"
1199 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss"
1203 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \
1204 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*)
1205 noconfigdirs="$noconfigdirs ld gas gprof"
1208 noconfigdirs="$noconfigdirs gprof"
1211 noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc"
1218 noconfigdirs="$noconfigdirs target-libgloss" ;;
1222 if test x${is_cross_compiler} = xno ; then
1227 noconfigdirs="$noconfigdirs sim"
1230 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
1233 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1236 noconfigdirs="$noconfigdirs ld"
1238 loongarch*-*-linux*)
1241 noconfigdirs="$noconfigdirs gprof"
1245 # If we aren't building newlib, then don't build libgloss, since libgloss
1246 # depends upon some newlib header files.
1247 case "${noconfigdirs}" in
1248 *target-libgloss*) ;;
1249 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1252 # Work in distributions that contain no compiler tools, like Autoconf.
1253 host_makefile_frag=/dev/null
1254 if test -d ${srcdir}/config ; then
1256 i[[3456789]]86-*-msdosdjgpp*)
1257 host_makefile_frag="config/mh-djgpp"
1260 ACX_CHECK_CYGWIN_CAT_WORKS
1261 host_makefile_frag="config/mh-cygwin"
1264 host_makefile_frag="config/mh-mingw"
1267 host_makefile_frag="config/mh-alpha-linux"
1270 host_makefile_frag="config/mh-pa"
1273 host_makefile_frag="config/mh-pa"
1275 i?86-*-darwin[[89]]* | i?86-*-darwin1[[0-7]]* | powerpc*-*-darwin*)
1276 host_makefile_frag="config/mh-darwin"
1279 host_makefile_frag="config/mh-ppc-aix"
1282 host_makefile_frag="config/mh-ppc-aix"
1287 if test "${build}" != "${host}" ; then
1288 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1289 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1290 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1291 CPP_FOR_BUILD="${CPP_FOR_BUILD-\$(CC_FOR_BUILD) -E}"
1292 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1293 DSYMUTIL_FOR_BUILD=${DSYMUTIL_FOR_BUILD-dsymutil}
1294 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1295 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1296 GDC_FOR_BUILD=${GDC_FOR_BUILD-gdc}
1297 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1298 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1299 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1300 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1301 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1302 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1304 AR_FOR_BUILD="\$(AR)"
1305 AS_FOR_BUILD="\$(AS)"
1306 CC_FOR_BUILD="\$(CC)"
1307 CXX_FOR_BUILD="\$(CXX)"
1308 DSYMUTIL_FOR_BUILD="\$(DSYMUTIL)"
1309 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1310 GOC_FOR_BUILD="\$(GOC)"
1311 GDC_FOR_BUILD="\$(GDC)"
1312 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1313 LD_FOR_BUILD="\$(LD)"
1314 NM_FOR_BUILD="\$(NM)"
1315 RANLIB_FOR_BUILD="\$(RANLIB)"
1316 WINDRES_FOR_BUILD="\$(WINDRES)"
1317 WINDMC_FOR_BUILD="\$(WINDMC)"
1323 # We must set the default linker to the linker used by gcc for the correct
1324 # operation of libtool. If LD is not defined and we are using gcc, try to
1325 # set the LD default to the ld used by gcc.
1326 if test -z "$LD"; then
1327 if test "$GCC" = yes; then
1330 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1332 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1334 case $gcc_prog_ld in
1335 # Accept absolute paths.
1336 [[\\/]* | [A-Za-z]:[\\/]*)]
1337 LD="$gcc_prog_ld" ;;
1342 # Check whether -static-libstdc++ -static-libgcc is supported.
1344 if test "$GCC" = yes; then
1345 saved_LDFLAGS="$LDFLAGS"
1347 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
1348 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
1350 AC_LINK_IFELSE([AC_LANG_SOURCE([
1351 #if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
1352 #error -static-libstdc++ not implemented
1355 [AC_MSG_RESULT([yes]); have_static_libs=yes],
1356 [AC_MSG_RESULT([no])])
1359 LDFLAGS="$saved_LDFLAGS"
1364 ACX_PROG_CMP_IGNORE_INITIAL
1366 AC_ARG_ENABLE([bootstrap],
1367 [AS_HELP_STRING([--enable-bootstrap],
1368 [enable bootstrapping @<:@yes if native build@:>@])],,
1369 enable_bootstrap=default)
1371 # Issue errors and warnings for invalid/strange bootstrap combinations.
1372 if test -r $srcdir/gcc/configure; then
1378 case "$have_compiler:$host:$target:$enable_bootstrap" in
1381 # Default behavior. Enable bootstrap if we have a compiler
1382 # and we are in a native configuration.
1383 yes:$build:$build:default)
1384 enable_bootstrap=yes ;;
1387 enable_bootstrap=no ;;
1389 # We have a compiler and we are in a native configuration, bootstrap is ok
1390 yes:$build:$build:yes)
1393 # Other configurations, but we have a compiler. Assume the user knows
1396 AC_MSG_WARN([trying to bootstrap a cross compiler])
1399 # No compiler: if they passed --enable-bootstrap explicitly, fail
1401 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1403 # Fail if wrong command line
1405 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1409 # When bootstrapping with GCC, build stage 1 in C++11 mode to ensure that a
1410 # C++11 compiler can still start the bootstrap. Otherwise, if building GCC,
1411 # require C++11 (or higher).
1412 if test "$enable_bootstrap:$GXX" = "yes:yes"; then
1413 CXX="$CXX -std=c++11"
1414 elif test "$have_compiler" = yes; then
1415 AX_CXX_COMPILE_STDCXX(11)
1417 if test "${build}" != "${host}"; then
1418 AX_CXX_COMPILE_STDCXX(11, [], [], [_FOR_BUILD])
1422 AC_ARG_ENABLE([pgo-build],
1423 [AS_HELP_STRING([--enable-pgo-build[[=lto]]],
1424 [enable the PGO build])],
1425 [enable_pgo_build=$enableval],
1426 [enable_pgo_build=no])
1428 # Issue errors and warnings for invalid/strange PGO build combinations.
1429 case "$have_compiler:$host:$target:$enable_pgo_build" in
1432 # Allow the PGO build only if we aren't building a compiler and
1433 # we are in a native configuration.
1434 no:$build:$build:yes | no:$build:$build:lto) ;;
1436 # Disallow the PGO bootstrap if we are building a compiler.
1437 yes:*:*:yes | yes:*:*:lto)
1438 AC_MSG_ERROR([cannot perform the PGO bootstrap when building a compiler]) ;;
1441 AC_MSG_ERROR([invalid option for --enable-pgo-build])
1445 if test "$enable_pgo_build" != "no"; then
1446 AC_MSG_CHECKING([whether the compiler supports -fprofile-generate])
1447 old_CFLAGS="$CFLAGS"
1448 PGO_BUILD_GEN_CFLAGS="-fprofile-generate"
1449 CFLAGS="$CFLAGS $PGO_BUILD_CFLAGS"
1450 AC_COMPILE_IFELSE([AC_LANG_SOURCE([int foo;])],,
1451 [PGO_BUILD_GEN_CFLAGS=])
1452 CFLAGS="$old_CFLAGS"
1453 if test -n "$PGO_BUILD_GEN_CFLAGS"; then
1454 AC_MSG_RESULT([yes])
1455 PGO_BUILD_USE_CFLAGS="-fprofile-use"
1458 AC_MSG_ERROR([cannot perform the PGO build without -fprofile-generate])
1461 if test "$enable_pgo_build" = "lto"; then
1462 AC_MSG_CHECKING([whether the compiler supports -flto=jobserver -ffat-lto-objects])
1463 old_CFLAGS="$CFLAGS"
1464 PGO_BUILD_LTO_CFLAGS="-flto=jobserver -ffat-lto-objects"
1465 CFLAGS="$CFLAGS $PGO_BUILD_LTO_CFLAGS"
1466 AC_COMPILE_IFELSE([AC_LANG_SOURCE([int foo;])],,
1467 [PGO_BUILD_LTO_CFLAGS=])
1468 CFLAGS="$old_CFLAGS"
1469 if test -n "$PGO_BUILD_LTO_CFLAGS"; then
1470 AC_MSG_RESULT([yes])
1473 AC_MSG_WARN([LTO is disabled for the PGO build])
1477 AC_SUBST(PGO_BUILD_GEN_CFLAGS)
1478 AC_SUBST(PGO_BUILD_USE_CFLAGS)
1479 AC_SUBST(PGO_BUILD_LTO_CFLAGS)
1481 # Used for setting $lt_cv_objdir
1484 # Check for GMP, MPFR and MPC
1487 if test -d ${srcdir}/gcc ; then
1491 if test -d ${srcdir}/gdb ; then
1492 if test "x$enable_gdb" != xno; then
1497 gmplibs="-lmpfr -lgmp"
1498 if test x"$require_mpc" = "xyes" ; then
1499 gmplibs="-lmpc $gmplibs"
1504 # Specify a location for mpc
1505 # check for this first so it ends up on the link line before mpfr.
1507 [AS_HELP_STRING([--with-mpc=PATH],
1508 [specify prefix directory for installed MPC package.
1509 Equivalent to --with-mpc-include=PATH/include
1510 plus --with-mpc-lib=PATH/lib])])
1511 AC_ARG_WITH(mpc-include,
1512 [AS_HELP_STRING([--with-mpc-include=PATH],
1513 [specify directory for installed MPC include files])])
1514 AC_ARG_WITH(mpc-lib,
1515 [AS_HELP_STRING([--with-mpc-lib=PATH],
1516 [specify directory for the installed MPC library])])
1518 if test "x$with_mpc" != x; then
1519 gmplibs="-L$with_mpc/lib $gmplibs"
1520 gmpinc="-I$with_mpc/include $gmpinc"
1522 if test "x$with_mpc_include" != x; then
1523 gmpinc="-I$with_mpc_include $gmpinc"
1525 if test "x$with_mpc_lib" != x; then
1526 gmplibs="-L$with_mpc_lib $gmplibs"
1528 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1529 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1530 gmpinc='-I$$s/mpc/src '"$gmpinc"
1531 # Do not test the mpc version. Assume that it is sufficient, since
1532 # it is in the source tree, and the library has not been built yet
1533 # but it would be included on the link line in the version check below
1534 # hence making the test fail.
1538 # Specify a location for mpfr
1539 # check for this first so it ends up on the link line before gmp.
1541 [AS_HELP_STRING([--with-mpfr=PATH],
1542 [specify prefix directory for installed MPFR package.
1543 Equivalent to --with-mpfr-include=PATH/include
1544 plus --with-mpfr-lib=PATH/lib])])
1545 AC_ARG_WITH(mpfr-include,
1546 [AS_HELP_STRING([--with-mpfr-include=PATH],
1547 [specify directory for installed MPFR include files])])
1548 AC_ARG_WITH(mpfr-lib,
1549 [AS_HELP_STRING([--with-mpfr-lib=PATH],
1550 [specify directory for the installed MPFR library])])
1552 if test "x$with_mpfr" != x; then
1553 gmplibs="-L$with_mpfr/lib $gmplibs"
1554 gmpinc="-I$with_mpfr/include $gmpinc"
1556 if test "x$with_mpfr_include" != x; then
1557 gmpinc="-I$with_mpfr_include $gmpinc"
1559 if test "x$with_mpfr_lib" != x; then
1560 gmplibs="-L$with_mpfr_lib $gmplibs"
1562 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1563 # MPFR v3.1.0 moved the sources into a src sub-directory.
1564 if ! test -d ${srcdir}/mpfr/src; then
1566 Building GCC with MPFR in the source tree is only handled for MPFR 3.1.0+.])
1568 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
1569 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
1570 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
1571 # Do not test the mpfr version. Assume that it is sufficient, since
1572 # it is in the source tree, and the library has not been built yet
1573 # but it would be included on the link line in the version check below
1574 # hence making the test fail.
1578 # Specify a location for gmp
1580 [AS_HELP_STRING([--with-gmp=PATH],
1581 [specify prefix directory for the installed GMP package.
1582 Equivalent to --with-gmp-include=PATH/include
1583 plus --with-gmp-lib=PATH/lib])])
1584 AC_ARG_WITH(gmp-include,
1585 [AS_HELP_STRING([--with-gmp-include=PATH],
1586 [specify directory for installed GMP include files])])
1587 AC_ARG_WITH(gmp-lib,
1588 [AS_HELP_STRING([--with-gmp-lib=PATH],
1589 [specify directory for the installed GMP library])])
1592 if test "x$with_gmp" != x; then
1593 gmplibs="-L$with_gmp/lib $gmplibs"
1594 gmpinc="-I$with_gmp/include $gmpinc"
1596 if test "x$with_gmp_include" != x; then
1597 gmpinc="-I$with_gmp_include $gmpinc"
1599 if test "x$with_gmp_lib" != x; then
1600 gmplibs="-L$with_gmp_lib $gmplibs"
1602 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1603 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1604 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1605 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1606 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1607 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp'
1608 # Do not test the gmp version. Assume that it is sufficient, since
1609 # it is in the source tree, and the library has not been built yet
1610 # but it would be included on the link line in the version check below
1611 # hence making the test fail.
1615 if test "x$require_gmp" = xyes && test "x$have_gmp" = xno; then
1617 saved_CFLAGS="$CFLAGS"
1618 CFLAGS="$CFLAGS $gmpinc"
1619 # Check for the recommended and required versions of GMP.
1620 AC_MSG_CHECKING([for the correct version of gmp.h])
1621 AC_TRY_COMPILE([#include "gmp.h"],[
1622 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1623 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1624 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3)
1627 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1628 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1629 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1630 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1633 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1634 [AC_MSG_RESULT([no]); have_gmp=no])
1636 # If we have GMP, check the MPFR version.
1637 if test x"$have_gmp" = xyes; then
1638 # Check for the recommended and required versions of MPFR.
1639 AC_MSG_CHECKING([for the correct version of mpfr.h])
1640 AC_TRY_COMPILE([#include <gmp.h>
1641 #include <mpfr.h>],[
1642 #if MPFR_VERSION < MPFR_VERSION_NUM(3,1,0)
1645 ], [AC_TRY_COMPILE([#include <gmp.h>
1646 #include <mpfr.h>],[
1647 #if MPFR_VERSION < MPFR_VERSION_NUM(3,1,6)
1650 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1651 [AC_MSG_RESULT([no]); have_gmp=no])
1654 # Check for the MPC header version.
1655 if test "x$require_mpc" = xyes && test x"$have_gmp" = xyes ; then
1656 # Check for the recommended and required versions of MPC.
1657 AC_MSG_CHECKING([for the correct version of mpc.h])
1658 AC_TRY_COMPILE([#include <mpc.h>],[
1659 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1662 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1663 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1666 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1667 [AC_MSG_RESULT([no]); have_gmp=no])
1670 # Now check the MPFR library.
1671 if test x"$have_gmp" = xyes; then
1673 LIBS="$LIBS $gmplibs"
1674 AC_MSG_CHECKING([for the correct version of the gmp/mpfr libraries])
1675 AC_TRY_LINK([#include <mpfr.h>],[
1681 mpfr_atan2 (n, n, x, MPFR_RNDN);
1682 mpfr_erfc (n, x, MPFR_RNDN);
1683 mpfr_subnormalize (x, t, MPFR_RNDN);
1686 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1690 # Now check the MPC library
1691 if test "x$require_mpc" = xyes && test x"$have_gmp" = xyes; then
1693 LIBS="$LIBS $gmplibs"
1694 AC_MSG_CHECKING([for the correct version of the mpc libraries])
1695 AC_TRY_LINK([#include <mpc.h>],[
1698 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1699 mpc_cosh (c, c, MPC_RNDNN);
1700 mpc_pow (c, c, c, MPC_RNDNN);
1701 mpc_acosh (c, c, MPC_RNDNN);
1703 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1707 CFLAGS="$saved_CFLAGS"
1709 # The library versions listed in the error message below should match
1710 # the HARD-minimums enforced above.
1711 if test x$have_gmp != xyes; then
1712 if test -d ${srcdir}/gcc ; then
1713 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 3.1.0+ and MPC 0.8.0+.
1714 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1715 their locations. Source code for these libraries can be found at
1716 their respective hosting sites as well as at
1717 https://gcc.gnu.org/pub/gcc/infrastructure/. See also
1718 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1719 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1720 make sure that you have installed both the libraries and the header
1721 files. They may be located in separate packages.])
1723 AC_MSG_ERROR([Building GDB requires GMP 4.2+, and MPFR 3.1.0+.
1724 Try the --with-gmp and/or --with-mpfr options to specify
1725 their locations. If you obtained GMP and/or MPFR from a vendor
1726 distribution package, make sure that you have installed both the libraries
1727 and the header files. They may be located in separate packages.])
1732 # Flags needed for both GMP, MPFR and/or MPC.
1735 AC_SUBST(extra_mpfr_configure_flags)
1736 AC_SUBST(extra_mpc_gmp_configure_flags)
1737 AC_SUBST(extra_mpc_mpfr_configure_flags)
1738 AC_SUBST(extra_isl_gmp_configure_flags)
1740 # Libraries to use for stage1 or when not bootstrapping.
1741 AC_ARG_WITH(stage1-libs,
1742 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1743 [if test "$withval" = "no" -o "$withval" = "yes"; then
1746 stage1_libs=$withval
1749 AC_SUBST(stage1_libs)
1751 # Whether or not to use -static-libstdc++ and -static-libgcc. The
1752 # default is yes if gcc is being built; no otherwise. The reason for
1753 # this default is that gdb is sometimes linked against GNU Source
1754 # Highlight, which is a shared library that uses C++ exceptions. In
1755 # this case, -static-libstdc++ will cause crashes.
1756 AC_ARG_WITH(static-standard-libraries,
1757 [AS_HELP_STRING([--with-static-standard-libraries],
1758 [use -static-libstdc++ and -static-libgcc (default=auto)])],
1759 [], [with_static_standard_libraries=auto])
1760 if test "$with_static_standard_libraries" = auto; then
1761 with_static_standard_libraries=$have_compiler
1764 # Linker flags to use for stage1 or when not bootstrapping.
1765 AC_ARG_WITH(stage1-ldflags,
1766 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1767 [if test "$withval" = "no" -o "$withval" = "yes"; then
1770 stage1_ldflags=$withval
1773 # In stage 1, default to linking libstdc++ and libgcc statically with GCC
1774 # if supported. But if the user explicitly specified the libraries to use,
1775 # trust that they are doing what they want.
1776 if test "$with_static_standard_libraries" = yes -a "$stage1_libs" = "" \
1777 -a "$have_static_libs" = yes; then
1778 stage1_ldflags="-static-libstdc++ -static-libgcc"
1780 AC_SUBST(stage1_ldflags)
1782 # Libraries to use for stage2 and later builds.
1783 AC_ARG_WITH(boot-libs,
1784 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
1785 [if test "$withval" = "no" -o "$withval" = "yes"; then
1788 poststage1_libs=$withval
1791 AC_SUBST(poststage1_libs)
1793 # Linker flags to use for stage2 and later builds.
1794 AC_ARG_WITH(boot-ldflags,
1795 [AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1796 [linker flags for stage2 and later])],
1797 [if test "$withval" = "no" -o "$withval" = "yes"; then
1800 poststage1_ldflags=$withval
1802 [poststage1_ldflags=
1803 # In stages 2 and 3, default to linking libstdc++ and libgcc
1804 # statically. But if the user explicitly specified the libraries to
1805 # use, trust that they are doing what they want.
1806 if test "$poststage1_libs" = ""; then
1807 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1809 AC_SUBST(poststage1_ldflags)
1811 # GCC GRAPHITE dependency isl.
1812 # Basic setup is inlined here, actual checks are in config/isl.m4
1817 [Specify prefix directory for the installed isl package.
1818 Equivalent to --with-isl-include=PATH/include
1819 plus --with-isl-lib=PATH/lib])])
1821 # Treat --without-isl as a request to disable
1822 # GRAPHITE support and skip all following checks.
1823 if test "x$with_isl" != "xno"; then
1825 dnl Provide configure switches and initialize islinc & isllibs
1826 dnl with user input.
1828 dnl The versions of isl that work for Graphite
1830 dnl Only execute fail-action, if isl has been requested.
1832 AC_MSG_ERROR([Unable to find a usable isl. See config.log for details.])])
1835 # If the isl check failed, disable builds of in-tree variant of isl
1836 if test "x$with_isl" = xno ||
1837 test "x$gcc_cv_isl" = xno; then
1838 noconfigdirs="$noconfigdirs isl"
1845 # Check for LTO support.
1847 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
1848 enable_lto=$enableval,
1849 enable_lto=yes; default_enable_lto=yes)
1851 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1852 build_lto_plugin=yes
1853 ],[if test x"$default_enable_lto" = x"yes" ; then
1855 *-apple-darwin[[912]]* | *-cygwin* | *-mingw* | *djgpp*) ;;
1856 # On other non-ELF platforms, LTO has yet to be validated.
1860 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1861 # It would also be nice to check the binutils support, but we don't
1862 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1863 # warn during gcc/ subconfigure; unless you're bootstrapping with
1864 # -flto it won't be needed until after installation anyway.
1866 *-cygwin* | *-mingw* | *-apple-darwin* | *djgpp*) ;;
1867 *) if test x"$enable_lto" = x"yes"; then
1868 AC_MSG_ERROR([LTO support is not enabled for this target.])
1873 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1874 # Build it unless LTO was explicitly disabled.
1876 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1881 AC_ARG_ENABLE(linker-plugin-configure-flags,
1882 [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]],
1883 [additional flags for configuring linker plugins @<:@none@:>@])],
1884 extra_linker_plugin_configure_flags=$enableval,
1885 extra_linker_plugin_configure_flags=)
1886 AC_SUBST(extra_linker_plugin_configure_flags)
1887 AC_ARG_ENABLE(linker-plugin-flags,
1888 [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]],
1889 [additional flags for configuring and building linker plugins @<:@none@:>@])],
1890 extra_linker_plugin_flags=$enableval,
1891 extra_linker_plugin_flags=)
1892 AC_SUBST(extra_linker_plugin_flags)
1894 # Handle --enable-host-pie
1895 # If host PIE executables are the default (or must be forced on) for some host,
1896 # we must pass that configuration to the gcc directory.
1898 AC_ARG_ENABLE(host-pie,
1899 [AS_HELP_STRING([--enable-host-pie],
1900 [build position independent host executables])],
1901 [host_pie=$enableval
1904 if test x$host_pie != xyes ; then
1905 # for Darwin20+ this is required.
1906 AC_MSG_WARN([PIE executables are required for the configured host, host-pie setting ignored.])
1908 gcc_host_pie=--enable-host-pie
1914 # Default to PIE (mandatory for aarch64).
1916 gcc_host_pie=--enable-host-pie
1922 AC_SUBST(gcc_host_pie)
1924 # Enable --enable-host-shared.
1925 # Checked early to determine whether jit is an 'all' language
1926 AC_ARG_ENABLE(host-shared,
1927 [AS_HELP_STRING([--enable-host-shared],
1928 [build host code as shared libraries])],
1929 [host_shared=$enableval
1931 x86_64-*-darwin* | aarch64-*-darwin*)
1932 if test x$host_shared != xyes ; then
1933 # PIC is the default, and actually cannot be switched off.
1934 AC_MSG_WARN([PIC code is required for the configured host; host-shared setting ignored.])
1938 if test x$host_pie = xyes -a x$host_shared != xyes ; then
1939 AC_MSG_WARN([PIC code is required for PIE host executables host-shared setting ignored.])
1945 # 64B x86_64 and Aarch64 Darwin default to PIC.
1946 x86_64-*-darwin* | aarch64-*-darwin*) host_shared=yes ;;
1947 # 32B and powerpc64 Darwin must use PIC to link PIE exes.
1948 *-*-darwin*) host_shared=$host_pie ;;
1952 AC_SUBST(host_shared)
1954 if test x$host_shared = xyes; then
1957 # Since host shared is the default for 64b Darwin, and also enabled for
1958 # host_pie, ensure that we present the PIE flag when host_pie is active.
1959 if test x$host_pie = xyes; then
1967 elif test x$host_pie = xyes; then
1975 # If we are building PIC/PIE host executables, and we are building dependent
1976 # libs (e.g. GMP) in-tree those libs need to be configured to generate PIC
1979 if test "$host_shared" = "yes" -o "$host_pie" = "yes"; then
1980 host_libs_picflag='--with-pic'
1982 AC_SUBST(host_libs_picflag)
1984 # By default, C and C++ are the only stage 1 languages.
1985 stage1_languages=,c,
1987 # Target libraries that we bootstrap.
1988 bootstrap_target_libs=,target-libgcc,
1990 # Figure out what language subdirectories are present.
1991 # Look if the user specified --enable-languages="..."; if not, use
1992 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1994 # NB: embedded tabs in this IF block -- do not untabify
1995 if test -d ${srcdir}/gcc; then
1996 if test x"${enable_languages+set}" != xset; then
1997 if test x"${LANGUAGES+set}" = xset; then
1998 enable_languages="${LANGUAGES}"
1999 echo configure.ac: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
2001 enable_languages=default
2004 if test x"${enable_languages}" = x ||
2005 test x"${enable_languages}" = xyes;
2007 echo configure.ac: --enable-languages needs at least one language argument 1>&2
2011 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
2013 # 'f95' is the old name for the 'fortran' language. We issue a warning
2014 # and make the substitution.
2015 case ,${enable_languages}, in
2017 echo configure.ac: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
2018 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
2022 # If bootstrapping, C++ must be enabled.
2023 case ",$enable_languages,:$enable_bootstrap" in
2026 if test -f ${srcdir}/gcc/cp/config-lang.in; then
2027 enable_languages="${enable_languages},c++"
2029 AC_MSG_ERROR([bootstrapping requires c++ sources])
2034 # First scan to see if an enabled language requires some other language.
2035 # We assume that a given config-lang.in will list all the language
2036 # front ends it requires, even if some are required indirectly.
2037 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
2038 case ${lang_frag} in
2040 # The odd quoting in the next line works around
2041 # an apparent bug in bash 1.12 on linux.
2042 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
2044 # From the config-lang.in, get $language, $lang_requires, and
2045 # $lang_requires_boot_languages.
2048 lang_requires_boot_languages=
2049 # set srcdir during sourcing lang_frag to the gcc dir.
2050 # Sadly overriding srcdir on the . line doesn't work in plain sh as it
2051 # polutes this shell
2052 saved_srcdir=${srcdir}
2053 srcdir=${srcdir}/gcc . ${lang_frag}
2054 srcdir=${saved_srcdir}
2055 for other in ${lang_requires} ${lang_requires_boot_languages}; do
2056 case ,${enable_languages}, in
2061 echo " \`$other' language required by \`$language'; enabling" 1>&2
2062 enable_languages="${enable_languages},${other}"
2066 for other in ${lang_requires_boot_languages} ; do
2067 if test "$other" != "c"; then
2068 case ,${enable_stage1_languages}, in
2073 case ,${enable_languages}, in
2075 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
2076 enable_stage1_languages="$enable_stage1_languages,${other}"
2087 new_enable_languages=,c,
2089 # If LTO is enabled, add the LTO front end.
2090 if test "$enable_lto" = "yes" ; then
2091 case ,${enable_languages}, in
2093 *) enable_languages="${enable_languages},lto" ;;
2095 if test "${build_lto_plugin}" = "yes" ; then
2096 configdirs="$configdirs lto-plugin"
2100 # If we're building an offloading compiler, add the LTO front end.
2101 if test x"$enable_as_accelerator_for" != x ; then
2102 case ,${enable_languages}, in
2104 *) enable_languages="${enable_languages},lto" ;;
2108 missing_languages=`echo ",$enable_languages," | sed -e s/,default,/,/ -e s/,all,/,/ -e s/,c,/,/ `
2109 potential_languages=,c,
2111 enabled_target_libs=
2112 disabled_target_libs=
2114 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
2115 case ${lang_frag} in
2117 # The odd quoting in the next line works around
2118 # an apparent bug in bash 1.12 on linux.
2119 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
2121 # From the config-lang.in, get $language, $target_libs,
2122 # $lang_dirs, $boot_language, and $build_by_default
2128 build_by_default=yes
2129 # set srcdir during sourcing. See above about save & restore
2130 saved_srcdir=${srcdir}
2131 srcdir=${srcdir}/gcc . ${lang_frag}
2132 srcdir=${saved_srcdir}
2133 if test x${language} = x; then
2134 echo "${lang_frag} doesn't set \$language." 1>&2
2138 if test "$language" = "c++"; then
2143 # C is always enabled, so no need to add it again
2144 if test "$language" != "c"; then
2145 case ,${enable_languages}, in
2147 # Language was explicitly selected; include it
2151 # All languages are enabled
2155 # 'default' was selected, select it if it is a default language
2156 add_this_lang=${build_by_default}
2161 # Disable languages that need other directories if these aren't available.
2162 for i in $subdir_requires; do
2163 test -f "$srcdir/gcc/$i/config-lang.in" && continue
2164 case ${add_this_lang} in
2166 # Specifically requested language; tell them.
2167 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
2170 AC_MSG_WARN([The gcc/$i directory contains parts of $language but is missing])
2171 add_this_lang=unsupported
2175 add_this_lang=unsupported
2180 # Disable Ada if no preexisting GNAT is available.
2181 case ${add_this_lang}:${language}:${have_gnat} in
2183 # Specifically requested language; tell them.
2184 AC_MSG_ERROR([GNAT is required to build $language])
2187 AC_MSG_WARN([GNAT is required to build $language])
2188 add_this_lang=unsupported
2192 add_this_lang=unsupported
2196 # Disable D if no preexisting GDC is available.
2197 case ${add_this_lang}:${language}:${have_gdc} in
2199 # Specifically requested language; tell them.
2200 AC_MSG_ERROR([GDC is required to build $language])
2203 AC_MSG_WARN([GDC is required to build $language])
2204 add_this_lang=unsupported
2208 add_this_lang=unsupported
2212 # Disable jit if -enable-host-shared not specified
2213 # but not if building for Mingw. All code in Windows
2214 # is position independent code (PIC).
2218 case ${add_this_lang}:${language}:${host_shared} in
2220 # PR jit/64780: explicitly specify --enable-host-shared
2222 Enabling language "jit" requires --enable-host-shared.
2224 --enable-host-shared typically slows the rest of the compiler down by
2225 a few %, so you must explicitly enable it.
2227 If you want to build both the jit and the regular compiler, it is often
2228 best to do this via two separate configure/builds, in separate
2229 directories, to avoid imposing the performance cost of
2230 --enable-host-shared on the regular compiler.])
2233 AC_MSG_WARN([--enable-host-shared required to build $language])
2234 add_this_lang=unsupported
2238 add_this_lang=unsupported
2244 # Disable a language that is unsupported by the target.
2245 case "${add_this_lang}: $unsupported_languages " in
2249 AC_MSG_WARN([${language} not supported for this target])
2250 add_this_lang=unsupported
2254 case $add_this_lang in
2256 # Remove language-dependent dirs.
2257 disabled_target_libs="$disabled_target_libs $target_libs"
2258 noconfigdirs="$noconfigdirs $lang_dirs"
2261 # Remove language-dependent dirs; still show language as supported.
2262 disabled_target_libs="$disabled_target_libs $target_libs"
2263 noconfigdirs="$noconfigdirs $lang_dirs"
2264 potential_languages="${potential_languages}${language},"
2267 new_enable_languages="${new_enable_languages}${language},"
2268 potential_languages="${potential_languages}${language},"
2269 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
2270 enabled_target_libs="$enabled_target_libs $target_libs"
2271 case "${boot_language}:,$enable_stage1_languages," in
2272 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
2273 # Add to (comma-separated) list of stage 1 languages.
2274 case ",$stage1_languages," in
2275 *,$language,* | ,yes, | ,all,) ;;
2276 *) stage1_languages="${stage1_languages}${language}," ;;
2278 # We need to bootstrap any supporting libraries.
2279 bootstrap_target_libs=`echo "${bootstrap_target_libs}${target_libs}," | sed "s/ /,/g"`
2288 # Add target libraries which are only needed for disabled languages
2290 if test -n "$disabled_target_libs"; then
2291 for dir in $disabled_target_libs; do
2292 case " $enabled_target_libs " in
2294 *) noconfigdirs="$noconfigdirs $dir" ;;
2299 AC_ARG_ENABLE(stage1-languages,
2300 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
2301 [choose additional languages to build during
2302 stage1. Mostly useful for compiler development])],
2303 [case ,${enable_stage1_languages}, in
2305 # Set it to something that will have no effect in the loop below
2306 enable_stage1_languages=c ;;
2308 enable_stage1_languages=`echo $new_enable_languages | \
2309 sed -e "s/^,//" -e "s/,$//" ` ;;
2311 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
2312 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
2315 # Add "good" languages from enable_stage1_languages to stage1_languages,
2316 # while "bad" languages go in missing_languages. Leave no duplicates.
2317 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
2318 case $potential_languages in
2320 case $stage1_languages in
2322 *) stage1_languages="$stage1_languages$i," ;;
2325 case $missing_languages in
2327 *) missing_languages="$missing_languages$i," ;;
2332 # Remove leading/trailing commas that were added for simplicity
2333 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
2334 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
2335 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
2336 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
2338 if test "x$missing_languages" != x; then
2340 The following requested languages could not be built: ${missing_languages}
2341 Supported languages are: ${potential_languages}])
2343 if test "x$new_enable_languages" != "x$enable_languages"; then
2344 echo The following languages will be built: ${new_enable_languages}
2345 enable_languages="$new_enable_languages"
2348 AC_SUBST(stage1_languages)
2349 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
2352 # Handle --disable-<component> generically.
2353 for dir in $configdirs $build_configdirs $target_configdirs ; do
2354 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
2355 varname=`echo $dirname | sed -e s/+/_/g`
2356 if eval test x\${enable_${varname}} "=" xno ; then
2357 noconfigdirs="$noconfigdirs $dir"
2361 # Check for Boehm's garbage collector
2362 AC_ARG_ENABLE(objc-gc,
2363 [AS_HELP_STRING([--enable-objc-gc],
2364 [enable use of Boehm's garbage collector with the
2365 GNU Objective-C runtime])])
2366 AC_ARG_WITH([target-bdw-gc],
2367 [AS_HELP_STRING([--with-target-bdw-gc=PATHLIST],
2368 [specify prefix directory for installed bdw-gc package.
2369 Equivalent to --with-target-bdw-gc-include=PATH/include
2370 plus --with-target-bdw-gc-lib=PATH/lib])])
2371 AC_ARG_WITH([target-bdw-gc-include],
2372 [AS_HELP_STRING([--with-target-bdw-gc-include=PATHLIST],
2373 [specify directories for installed bdw-gc include files])])
2374 AC_ARG_WITH([target-bdw-gc-lib],
2375 [AS_HELP_STRING([--with-target-bdw-gc-lib=PATHLIST],
2376 [specify directories for installed bdw-gc library])])
2378 case ,${enable_languages},:${enable_objc_gc} in *,objc,*:yes|*,objc,*:auto)
2379 AC_MSG_CHECKING([for bdw garbage collector])
2380 if test "x$with_target_bdw_gc$with_target_bdw_gc_include$with_target_bdw_gc_lib" = x; then
2381 dnl no bdw-gw options, assume default locations
2382 AC_MSG_RESULT([using bdw-gc in default locations])
2384 dnl bdw-gw options, first error checking, complete checking in libobjc
2385 if test "x$with_target_bdw_gc_include" = x && test "x$with_target_bdw_gc_lib" != x; then
2386 AC_MSG_ERROR([found --with-target-bdw-gc-lib but --with-target-bdw-gc-include missing])
2387 elif test "x$with_target_bdw_gc_include" != x && test "x$with_target_bdw_gc_lib" = x; then
2388 AC_MSG_ERROR([found --with-target-bdw-gc-include but --with-target-bdw-gc-lib missing])
2390 AC_MSG_RESULT([using paths configured with --with-target-bdw-gc options])
2395 # Disable libitm, libsanitizer, libvtv if we're not building C++
2396 case ,${enable_languages}, in
2398 # Disable libitm, libsanitizer if we're not building libstdc++
2399 case "${noconfigdirs}" in
2400 *target-libstdc++-v3*)
2401 noconfigdirs="$noconfigdirs target-libitm target-libsanitizer"
2407 noconfigdirs="$noconfigdirs target-libitm target-libsanitizer target-libvtv"
2411 # If gcc/ is not in the source tree then we'll not be building a
2412 # target compiler, assume in that case we don't want to build any
2413 # target libraries or tools.
2415 # This was added primarily for the benefit for binutils-gdb who reuse
2416 # this configure script, but don't always have target tools available.
2417 if test ! -d ${srcdir}/gcc; then
2418 skipdirs="${skipdirs} ${target_configdirs}"
2421 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2422 # $build_configdirs and $target_configdirs.
2423 # If we have the source for $noconfigdirs entries, add them to $notsupp.
2426 for dir in . $skipdirs $noconfigdirs ; do
2427 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
2428 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2429 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2430 if test -r $srcdir/$dirname/configure ; then
2431 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2434 notsupp="$notsupp $dir"
2438 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2439 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2440 if test -r $srcdir/$dirname/configure ; then
2441 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2444 notsupp="$notsupp $dir"
2448 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2449 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2450 if test -r $srcdir/$dirname/configure ; then
2451 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2454 notsupp="$notsupp $dir"
2460 # Quietly strip out all directories which aren't configurable in this tree.
2461 # This relies on all configurable subdirectories being autoconfiscated, which
2463 build_configdirs_all="$build_configdirs"
2465 for i in ${build_configdirs_all} ; do
2466 j=`echo $i | sed -e s/build-//g`
2467 if test -f ${srcdir}/$j/configure ; then
2468 build_configdirs="${build_configdirs} $i"
2472 configdirs_all="$configdirs"
2474 for i in ${configdirs_all} ; do
2475 if test -f ${srcdir}/$i/configure ; then
2476 configdirs="${configdirs} $i"
2480 target_configdirs_all="$target_configdirs"
2482 for i in ${target_configdirs_all} ; do
2483 j=`echo $i | sed -e s/target-//g`
2484 if test -f ${srcdir}/$j/configure ; then
2485 target_configdirs="${target_configdirs} $i"
2489 # libiberty-linker-plugin is special: it doesn't have its own source directory,
2490 # so we have to add it after the preceding checks.
2491 if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x
2493 case " $configdirs " in
2495 # If we can build libiberty, we can also build libiberty-linker-plugin.
2496 configdirs="$configdirs libiberty-linker-plugin"
2497 extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \
2498 --with-libiberty=../libiberty-linker-plugin";;
2500 AC_MSG_ERROR([libiberty missing]);;
2504 # Sometimes we have special requirements for the host libiberty.
2505 extra_host_libiberty_configure_flags=
2506 case " $configdirs " in
2507 *" lto-plugin "* | *" libcc1 "* | *" gdbserver "*)
2508 # When these are to be built as shared libraries, the same applies to
2510 extra_host_libiberty_configure_flags=--enable-shared
2513 AC_SUBST(extra_host_libiberty_configure_flags)
2515 # Sometimes we have special requirements for the host zlib.
2516 extra_host_zlib_configure_flags=
2517 case " $configdirs " in
2519 # When bfd is to be built as a shared library, the same applies to
2521 if test "$enable_shared" = "yes"; then
2522 extra_host_zlib_configure_flags=--enable-host-shared
2526 AC_SUBST(extra_host_zlib_configure_flags)
2528 # Produce a warning message for the subdirs we can't configure.
2529 # This isn't especially interesting in the Cygnus tree, but in the individual
2530 # FSF releases, it's important to let people know when their machine isn't
2531 # supported by the one or two programs in a package.
2533 if test -n "${notsupp}" && test -z "${norecursion}" ; then
2534 # If $appdirs is non-empty, at least one of those directories must still
2535 # be configured, or we error out. (E.g., if the gas release supports a
2536 # specified target in some subdirs but not the gas subdir, we shouldn't
2537 # pretend that all is well.)
2538 if test -n "$appdirs" ; then
2539 for dir in $appdirs ; do
2540 if test -r $dir/Makefile.in ; then
2541 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2545 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2551 if test -n "$appdirs" ; then
2552 echo "*** This configuration is not supported by this package." 1>&2
2556 # Okay, some application will build, or we don't care to check. Still
2557 # notify of subdirs not getting built.
2558 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2559 echo " ${notsupp}" 1>&2
2560 echo " (Any other directories should still work fine.)" 1>&2
2568 # To find our prefix, in gcc_cv_tool_prefix.
2573 AC_ARG_WITH([build-sysroot],
2574 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2575 [use sysroot as the system root during the build])],
2576 [if test x"$withval" != x ; then
2577 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2579 [SYSROOT_CFLAGS_FOR_TARGET=])
2580 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2582 AC_ARG_WITH([debug-prefix-map],
2583 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2584 [map A to B, C to D ... in debug information])],
2585 [if test x"$withval" != x; then
2586 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2587 for debug_map in $withval; do
2588 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2591 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2592 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2594 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2595 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2596 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2597 # We want to ensure that TARGET libraries (which we know are built with
2598 # gcc) are built with "-O2 -g", so include those options when setting
2599 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2600 if test "x$CFLAGS_FOR_TARGET" = x; then
2601 if test "x${is_cross_compiler}" = xyes; then
2602 CFLAGS_FOR_TARGET="-g -O2"
2604 CFLAGS_FOR_TARGET=$CFLAGS
2607 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;;
2610 *" -g "* | *" -g3 "*) ;;
2611 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;;
2615 AC_SUBST(CFLAGS_FOR_TARGET)
2617 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2618 if test "x${is_cross_compiler}" = xyes; then
2619 CXXFLAGS_FOR_TARGET="-g -O2"
2621 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2622 case " $CXXFLAGS " in
2624 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;;
2626 case " $CXXFLAGS " in
2627 *" -g "* | *" -g3 "*) ;;
2628 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;;
2632 AC_SUBST(CXXFLAGS_FOR_TARGET)
2634 AC_SUBST(LDFLAGS_FOR_TARGET)
2636 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2637 # the named directory are copied to $(tooldir)/sys-include.
2638 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2639 if test x${is_cross_compiler} = xno ; then
2640 echo 1>&2 '***' --with-headers is only supported when cross compiling
2643 if test x"${with_headers}" != xyes ; then
2644 x=${gcc_cv_tool_prefix}
2645 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2649 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2650 # the name directories are copied to $(tooldir)/lib. Multiple directories
2652 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2653 if test x${is_cross_compiler} = xno ; then
2654 echo 1>&2 '***' --with-libs is only supported when cross compiling
2657 if test x"${with_libs}" != xyes ; then
2658 # Copy the libraries in reverse order, so that files in the first named
2659 # library override files in subsequent libraries.
2660 x=${gcc_cv_tool_prefix}
2661 for l in ${with_libs}; do
2662 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2667 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2669 # This is done by determining whether or not the appropriate directory
2670 # is available, and by checking whether or not specific configurations
2671 # have requested that this magic not happen.
2673 # The command line options always override the explicit settings in
2674 # configure.ac, and the settings in configure.ac override this magic.
2676 # If the default for a toolchain is to use GNU as and ld, and you don't
2677 # want to do that, then you should use the --without-gnu-as and
2678 # --without-gnu-ld options for the configure script. Similarly, if
2679 # the default is to use the included zlib and you don't want to do that,
2680 # you should use the --with-system-zlib option for the configure script.
2682 if test x${use_gnu_as} = x &&
2683 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2685 extra_host_args="$extra_host_args --with-gnu-as"
2688 if test x${use_gnu_ld} = x &&
2689 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2691 extra_host_args="$extra_host_args --with-gnu-ld"
2694 if test x${use_included_zlib} = x &&
2695 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2698 with_system_zlib=yes
2699 extra_host_args="$extra_host_args --with-system-zlib"
2702 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2703 # can detect this case.
2705 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2707 extra_host_args="$extra_host_args --with-newlib"
2710 # Handle ${copy_dirs}
2711 set fnord ${copy_dirs}
2713 while test $# != 0 ; do
2714 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2717 echo Copying $1 to $2
2719 # Use the install script to create the directory and all required
2720 # parent directories.
2721 if test -d $2 ; then
2725 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2728 # Copy the directory, assuming we have tar.
2729 # FIXME: Should we use B in the second tar? Not all systems support it.
2730 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2732 # It is the responsibility of the user to correctly adjust all
2733 # symlinks. If somebody can figure out how to handle them correctly
2734 # here, feel free to add the code.
2741 # Determine a target-dependent exec_prefix that the installed
2742 # gcc will search in. Keep this list sorted by triplet, with
2743 # the *-*-osname triplets last.
2746 i[[34567]]86-pc-msdosdjgpp*)
2747 md_exec_prefix=/dev/env/DJDIR/bin
2752 md_exec_prefix=/usr/ccs/bin
2756 extra_arflags_for_target=
2757 extra_nmflags_for_target=
2758 extra_ranlibflags_for_target=
2759 target_makefile_frag=/dev/null
2762 target_makefile_frag="config/mt-spu"
2764 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
2765 target_makefile_frag="config/mt-sde"
2767 mipsisa*-*-elfoabi*)
2768 target_makefile_frag="config/mt-mips-elfoabi"
2770 mips*-*-*linux* | mips*-*-gnu*)
2771 target_makefile_frag="config/mt-mips-gnu"
2774 target_makefile_frag="config/mt-nios2-elf"
2777 target_makefile_frag="config/mt-android"
2779 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2780 target_makefile_frag="config/mt-gnu"
2782 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2783 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2784 # commands to handle both 32-bit and 64-bit objects. These flags are
2785 # harmless if we're using GNU nm or ar.
2786 extra_arflags_for_target=" -X32_64"
2787 extra_nmflags_for_target=" -B -X32_64"
2791 alphaieee_frag=/dev/null
2794 # This just makes sure to use the -mieee option to build target libs.
2795 # This should probably be set individually by each library.
2796 alphaieee_frag="config/mt-alphaieee"
2800 # If --enable-target-optspace always use -Os instead of -O2 to build
2801 # the target libraries, similarly if it is not specified, use -Os
2802 # on selected platforms.
2803 ospace_frag=/dev/null
2804 case "${enable_target_optspace}:${target}" in
2806 ospace_frag="config/mt-ospace"
2809 ospace_frag="config/mt-d30v"
2811 :m32r-* | :d10v-* | :fr30-* | :i?86*-*-elfiamcu)
2812 ospace_frag="config/mt-ospace"
2817 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2821 # Some systems (e.g., one of the i386-aix systems the gas testers are
2822 # using) don't handle "\$" correctly, so don't use it here.
2823 tooldir='${exec_prefix}'/${target_noncanonical}
2824 build_tooldir=${tooldir}
2826 # Create a .gdbinit file which runs the one in srcdir
2827 # and tells GDB to look there for source files.
2829 if test -r ${srcdir}/.gdbinit ; then
2832 *) cat > ./.gdbinit <<EOF
2836 source ${srcdir}/.gdbinit
2842 # Make sure that the compiler is able to generate an executable. If it
2843 # can't, we are probably in trouble. We don't care whether we can run the
2844 # executable--we might be using a cross compiler--we only care whether it
2845 # can be created. At this point the main configure script has set CC.
2847 echo "int main () { return 0; }" > conftest.c
2848 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2849 if test $? = 0 ; then
2850 if test -s conftest || test -s conftest.exe ; then
2856 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2857 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2864 # Decide which environment variable is used to find dynamic libraries.
2866 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2867 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2868 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2869 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2872 # On systems where the dynamic library environment variable is PATH,
2873 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2874 # built executables to PATH.
2875 if test "$RPATH_ENVVAR" = PATH; then
2876 GCC_SHLIB_SUBDIR=/shlib
2881 # Adjust the toplevel makefile according to whether bootstrap was selected.
2882 case $enable_bootstrap in
2884 bootstrap_suffix=bootstrap
2885 BUILD_CONFIG=bootstrap-debug
2888 bootstrap_suffix=no-bootstrap
2893 AC_MSG_CHECKING(for default BUILD_CONFIG)
2895 AC_ARG_WITH([build-config],
2896 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2897 [use config/NAME.mk build configuration])],
2898 [case $with_build_config in
2899 yes) with_build_config= ;;
2900 no) with_build_config= BUILD_CONFIG= ;;
2903 if test "x${with_build_config}" != x; then
2904 BUILD_CONFIG=$with_build_config
2906 case $BUILD_CONFIG in
2908 if echo "int f (void) { return 0; }" > conftest.c &&
2909 ${CC} -c conftest.c &&
2910 mv conftest.o conftest.o.g0 &&
2911 ${CC} -c -g conftest.c &&
2912 mv conftest.o conftest.o.g &&
2913 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2918 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2922 AC_MSG_RESULT($BUILD_CONFIG)
2923 AC_SUBST(BUILD_CONFIG)
2925 # Use same top-level configure hooks in libgcc/libstdc++/libvtv.
2926 AC_MSG_CHECKING([for --enable-vtable-verify])
2927 AC_ARG_ENABLE(vtable-verify,
2928 [AS_HELP_STRING([--enable-vtable-verify],
2929 [Enable vtable verification feature])],
2930 [case "$enableval" in
2931 yes) enable_vtable_verify=yes ;;
2932 no) enable_vtable_verify=no ;;
2933 *) enable_vtable_verify=no;;
2935 [enable_vtable_verify=no])
2936 AC_MSG_RESULT($enable_vtable_verify)
2938 # Record target_configdirs and the configure arguments for target and
2939 # build configuration in Makefile.
2940 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2941 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2942 bootstrap_fixincludes=no
2944 # If we are building libgomp, bootstrap it.
2945 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2946 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2949 # If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan
2950 # or bootstrap-ubsan, bootstrap it.
2951 if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then
2952 case "$BUILD_CONFIG" in
2953 *bootstrap-hwasan* | *bootstrap-asan* | *bootstrap-ubsan* )
2954 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer,
2955 bootstrap_fixincludes=yes
2960 # If we are building libvtv and --enable-vtable-verify, bootstrap it.
2961 if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 &&
2962 test "$enable_vtable_verify" != no; then
2963 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv,
2966 # If we are building libatomic and the list of enabled languages includes the
2967 # D frontend, bootstrap it.
2968 if echo " ${target_configdirs} " | grep " libatomic " > /dev/null 2>&1; then
2969 case ,${enable_languages}, in
2971 bootstrap_target_libs=${bootstrap_target_libs}target-libatomic,
2976 # Determine whether gdb needs tk/tcl or not.
2977 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2978 # and in that case we want gdb to be built without tk. Ugh!
2979 # In fact I believe gdb is the *only* package directly dependent on tk,
2980 # so we should be able to put the 'maybe's in unconditionally and
2981 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2982 # 100% sure that that's safe though.
2984 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2985 case "$enable_gdbtk" in
2989 GDB_TK="${gdb_tk}" ;;
2991 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2992 # distro. Eventually someone will fix this and move Insight, nee
2993 # gdbtk to a separate directory.
2994 if test -d ${srcdir}/gdb/gdbtk ; then
3001 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
3002 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
3004 # gdb and gdbserver depend on gnulib and gdbsupport, but as nothing
3005 # else does, only include them if one of these is built. The Makefile
3006 # provides the ordering, so it's enough here to add to the list.
3007 case " ${configdirs} " in
3009 configdirs="${configdirs} gnulib gdbsupport"
3012 configdirs="${configdirs} gnulib gdbsupport"
3015 configdirs="${configdirs} gnulib"
3019 # Strip out unwanted targets.
3021 # While at that, we remove Makefiles if we were started for recursive
3022 # configuration, so that the top-level Makefile reconfigures them,
3023 # like we used to do when configure itself was recursive.
3025 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
3026 # but now we're fixing up the Makefile ourselves with the additional
3027 # commands passed to AC_CONFIG_FILES. Use separate variables
3028 # extrasub-{build,host,target} not because there is any reason to split
3029 # the substitutions up that way, but only to remain below the limit of
3030 # 99 commands in a script, for HP-UX sed.
3032 # Do not nest @if/@endif or @unless/@endunless pairs, because
3033 # configure will not warn you at all.
3035 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
3036 yes:yes:*\ gold\ *:*,c++,*) ;;
3037 yes:yes:*\ gold\ *:*)
3038 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
3043 for module in ${build_configdirs} ; do
3044 if test -z "${no_recursion}" \
3045 && test -f ${build_subdir}/${module}/Makefile; then
3046 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
3047 rm -f ${build_subdir}/${module}/Makefile
3049 extrasub_build="$extrasub_build
3050 /^@if build-$module\$/d
3051 /^@endif build-$module\$/d
3052 /^@unless build-$module\$/,/^@endunless build-$module\$/d
3053 /^@if build-$module-$bootstrap_suffix\$/d
3054 /^@endif build-$module-$bootstrap_suffix\$/d
3055 /^@unless build-$module-$bootstrap_suffix\$/,/^@endunless build-$module-$bootstrap_suffix\$/d"
3058 for module in ${configdirs} ; do
3059 if test -z "${no_recursion}"; then
3060 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
3061 if test -f ${file}; then
3062 echo 1>&2 "*** removing ${file} to force reconfigure"
3067 case ${module},${bootstrap_fixincludes} in
3068 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;;
3069 *) host_bootstrap_suffix=$bootstrap_suffix ;;
3071 extrasub_host="$extrasub_host
3073 /^@endif $module\$/d
3074 /^@unless $module\$/,/^@endunless $module\$/d
3075 /^@if $module-$host_bootstrap_suffix\$/d
3076 /^@endif $module-$host_bootstrap_suffix\$/d
3077 /^@unless $module-$host_bootstrap_suffix\$/,/^@endunless $module-$host_bootstrap_suffix\$/d"
3080 for module in ${target_configdirs} ; do
3081 if test -z "${no_recursion}" \
3082 && test -f ${target_subdir}/${module}/Makefile; then
3083 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
3084 rm -f ${target_subdir}/${module}/Makefile
3087 # We only bootstrap target libraries listed in bootstrap_target_libs.
3088 case $bootstrap_target_libs in
3089 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
3090 *) target_bootstrap_suffix=no-bootstrap ;;
3093 extrasub_target="$extrasub_target
3094 /^@if target-$module\$/d
3095 /^@endif target-$module\$/d
3096 /^@unless target-$module\$/,/^@endunless target-$module\$/d
3097 /^@if target-$module-$target_bootstrap_suffix\$/d
3098 /^@endif target-$module-$target_bootstrap_suffix\$/d
3099 /^@unless target-$module-$target_bootstrap_suffix\$/,/^@endunless target-$module-$target_bootstrap_suffix\$/d"
3102 # Do the final fixup along with target modules.
3103 extrasub_target="$extrasub_target
3108 if test "$enable_pgo_build" != "no"; then
3109 extrasub_build="$extrasub_build
3111 /^@endif pgo-build\$/d"
3114 # Create the serialization dependencies. This uses a temporary file.
3116 AC_ARG_ENABLE([serial-configure],
3117 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
3118 [force sequential configuration of
3119 sub-packages for the host, target or build
3120 machine, or all sub-packages])])
3122 case ${enable_serial_configure} in
3124 enable_serial_build_configure=yes
3125 enable_serial_host_configure=yes
3126 enable_serial_target_configure=yes
3130 # These force 'configure's to be done one at a time, to avoid problems
3131 # with contention over a shared config.cache.
3133 if test "x${enable_serial_build_configure}" = xyes || test "x${enable_serial_host_configure}" = xyes || test "x${enable_serial_target_configure}" = xyes; then
3134 echo '# serdep.tmp' > serdep.tmp
3137 test "x${enable_serial_build_configure}" = xyes &&
3138 for item in ${build_configdirs} ; do
3141 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
3146 test "x${enable_serial_host_configure}" = xyes &&
3147 for item in ${configdirs} ; do
3150 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
3155 test "x${enable_serial_target_configure}" = xyes &&
3156 for item in ${target_configdirs} ; do
3159 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
3163 serialization_dependencies=serdep.tmp
3164 AC_SUBST_FILE(serialization_dependencies)
3166 # Base args. Strip norecursion, cache-file, srcdir, host, build,
3167 # target, nonopt, and variable assignments. These are the ones we
3168 # might not want to pass down to subconfigures. The exception being
3169 # --cache-file=/dev/null, which is used to turn off the use of cache
3170 # files altogether, and which should be passed on to subconfigures.
3171 # Also strip program-prefix, program-suffix, and program-transform-name,
3172 # so that we can pass down a consistent program-transform-name.
3177 eval "set -- $ac_configure_args"
3180 if test X"$skip_next" = X"yes"; then
3184 if test X"$keep_next" = X"yes"; then
3187 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
3189 baseargs="$baseargs '$ac_arg'"
3190 tbaseargs="$tbaseargs '$ac_arg'"
3195 # Handle separated arguments. Based on the logic generated by
3198 *=* | --config-cache | -C | -disable-* | --disable-* \
3199 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
3200 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
3201 | -with-* | --with-* | -without-* | --without-* | --x)
3215 --with-* | --without-*)
3216 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
3220 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
3223 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
3232 mpc | mpfr | gmp | isl)
3233 # If we're processing --with-$lib, --with-$lib-include or
3234 # --with-$lib-lib, for one of the libs above, and target is
3235 # different from host, don't pass the current argument to any
3236 # target library's configure.
3237 if test x$is_cross_compiler = xyes; then
3246 --cache-file=/dev/null | \
3247 -cache-file=/dev/null )
3248 # Handled here to avoid the test to skip args below.
3249 baseargs="$baseargs '$ac_arg'"
3250 tbaseargs="$tbaseargs '$ac_arg'"
3251 # Assert: $separate_arg should always be no.
3252 keep_next=$separate_arg
3268 -program-prefix* | \
3269 -program-suffix* | \
3270 -program-transform-name* )
3271 skip_next=$separate_arg
3275 # An option. Add it.
3278 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
3280 baseargs="$baseargs '$ac_arg'"
3281 if test X"$skip_targ" = Xno; then
3282 tbaseargs="$tbaseargs '$ac_arg'"
3284 keep_next=$separate_arg
3287 # Either a variable assignment, or a nonopt (triplet). Don't
3288 # pass it down; let the Makefile handle this.
3293 # Remove the initial space we just introduced and, as these will be
3294 # expanded by make, quote '$'.
3295 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
3297 # Add in --program-transform-name, after --program-prefix and
3298 # --program-suffix have been applied to it. Autoconf has already
3299 # doubled dollar signs and backslashes in program_transform_name; we want
3300 # the backslashes un-doubled, and then the entire thing wrapped in single
3301 # quotes, because this will be expanded first by make and then by the shell.
3302 # Also, because we want to override the logic in subdir configure scripts to
3303 # choose program_transform_name, replace any s,x,x, with s,y,y,.
3304 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
3305 ${program_transform_name}
3307 gcc_transform_name=`cat conftestsed.out`
3308 rm -f conftestsed.out
3309 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
3310 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
3311 if test "$silent" = yes; then
3312 baseargs="$baseargs --silent"
3313 tbaseargs="$tbaseargs --silent"
3315 baseargs="$baseargs --disable-option-checking"
3316 tbaseargs="$tbaseargs --disable-option-checking"
3318 # Record and document user additions to sub configure arguments.
3319 AC_ARG_VAR([build_configargs],
3320 [additional configure arguments for build directories])
3321 AC_ARG_VAR([host_configargs],
3322 [additional configure arguments for host directories])
3323 AC_ARG_VAR([target_configargs],
3324 [additional configure arguments for target directories])
3326 # For the build-side libraries, we just need to pretend we're native,
3327 # and not use the same cache file. Multilibs are neither needed nor
3328 # desired. We can't even use the same cache file for all build-side
3329 # libraries, as they're compiled differently; some with C, some with
3330 # C++ or with different feature-enabling options.
3331 build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}"
3333 # For host modules, accept cache file option, or specification as blank.
3334 case "${cache_file}" in
3336 cache_file_option="" ;;
3337 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
3338 cache_file_option="--cache-file=${cache_file}" ;;
3340 cache_file_option="--cache-file=../${cache_file}" ;;
3343 # Host dirs don't like to share a cache file either, horribly enough.
3344 # This seems to be due to autoconf 2.5x stupidity.
3345 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
3347 target_configargs="$target_configargs ${tbaseargs}"
3349 # Passing a --with-cross-host argument lets the target libraries know
3350 # whether they are being built with a cross-compiler or being built
3351 # native. However, it would be better to use other mechanisms to make the
3352 # sorts of decisions they want to make on this basis. Please consider
3353 # this option to be deprecated. FIXME.
3354 if test x${is_cross_compiler} = xyes ; then
3355 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
3358 # Special user-friendly check for native x86_64-linux build, if
3359 # multilib is not explicitly enabled.
3360 case "$target:$have_compiler:$host:$target:$enable_multilib" in
3361 x86_64-*linux*:yes:$build:$build:)
3362 # Make sure we have a development environment that handles 32-bit
3364 echo "int main () { return 0; }" > conftest.c
3365 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
3366 if test $? = 0 ; then
3367 if test -s conftest || test -s conftest.exe ; then
3372 if test x${dev64} != xyes ; then
3373 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.])
3378 # Default to --enable-multilib.
3379 if test x${enable_multilib} = x ; then
3380 target_configargs="--enable-multilib ${target_configargs}"
3383 # Pass --with-newlib if appropriate. Note that target_configdirs has
3384 # changed from the earlier setting of with_newlib.
3385 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
3386 target_configargs="--with-newlib ${target_configargs}"
3389 # Different target subdirs use different values of certain variables
3390 # (notably CXX). Worse, multilibs use *lots* of different values.
3391 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
3392 # it doesn't automatically accept command-line overrides of them.
3393 # This means it's not safe for target subdirs to share a cache file,
3394 # which is disgusting, but there you have it. Hopefully this can be
3395 # fixed in future. It's still worthwhile to use a cache file for each
3396 # directory. I think.
3398 # Pass the appropriate --build, --host, --target and --cache-file arguments.
3399 # We need to pass --target, as newer autoconf's requires consistency
3400 # for target_alias and gcc doesn't manage it consistently.
3401 target_configargs="--cache-file=./config.cache ${target_configargs}"
3404 case " $target_configdirs " in
3406 case " $target_configargs " in
3407 *" --with-newlib "*)
3410 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include'
3414 # If we're not building GCC, don't discard standard headers.
3415 if test -d ${srcdir}/gcc; then
3416 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
3418 if test "${build}" != "${host}"; then
3419 # On Canadian crosses, CC_FOR_TARGET will have already been set
3420 # by `configure', so we won't have an opportunity to add -Bgcc/
3421 # to it. This is right: we don't want to search that directory
3422 # for binaries, but we want the header files in there, so add
3424 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
3426 # Someone might think of using the pre-installed headers on
3427 # Canadian crosses, in case the installed compiler is not fully
3428 # compatible with the compiler being built. In this case, it
3429 # would be better to flag an error than risking having
3430 # incompatible object files being constructed. We can't
3431 # guarantee that an error will be flagged, but let's hope the
3432 # compiler will do it, when presented with incompatible header
3437 case "${target}-${is_cross_compiler}" in
3438 i[[3456789]]86-*-linux*-no)
3439 # Here host == target, so we don't need to build gcc,
3440 # so we don't want to discard standard headers.
3441 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
3444 # If we're building newlib, use its generic headers last, but search
3445 # for any libc-related directories first (so make it the last -B
3447 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
3449 # If we're building libgloss, find the startup file, simulator library
3450 # and linker script.
3451 case " $target_configdirs " in
3453 # Look for startup file, simulator library and maybe linker script.
3454 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
3455 # Look for libnosys.a in case the target needs it.
3456 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
3457 # Most targets have the linker script in the source directory.
3458 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
3469 x86_64-*mingw* | *-w64-mingw*)
3470 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
3471 # however, use a symlink named 'mingw' in ${prefix} .
3472 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
3475 # MinGW can't be handled as Cygwin above since it does not use newlib.
3476 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
3480 # Allow the user to override the flags for
3481 # our build compiler if desired.
3482 if test x"${build}" = x"${host}" ; then
3483 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3484 CPPFLAGS_FOR_BUILD=${CPPFLAGS_FOR_BUILD-${CPPFLAGS}}
3485 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3486 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3489 # On Canadian crosses, we'll be searching the right directories for
3490 # the previously-installed cross compiler, so don't bother to add
3491 # flags for directories within the install tree of the compiler
3492 # being built; programs in there won't even run.
3493 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
3494 # Search for pre-installed headers if nothing else fits.
3495 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
3498 if test "x${use_gnu_ld}" = x &&
3499 echo " ${configdirs} " | grep " ld " > /dev/null ; then
3500 # Arrange for us to find uninstalled linker scripts.
3501 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
3504 # Search for other target-specific linker scripts and such.
3507 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3509 # The VxWorks support for shared libraries is getting in
3510 # incrementally. Make sure it doesn't get activated implicitly:
3512 if test "${enable_shared-unset}" = unset ; then
3514 # So the build of libraries knows ...
3515 target_configargs="${target_configargs} --disable-shared"
3517 host_configargs="${host_configargs} --disable-shared"
3522 # Makefile fragments.
3523 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3525 eval fragval=\$$frag
3526 if test $fragval != /dev/null; then
3527 eval $frag=${srcdir}/$fragval
3530 AC_SUBST_FILE(host_makefile_frag)
3531 AC_SUBST_FILE(target_makefile_frag)
3532 AC_SUBST_FILE(alphaieee_frag)
3533 AC_SUBST_FILE(ospace_frag)
3535 # Miscellanea: directories, flags, etc.
3536 AC_SUBST(RPATH_ENVVAR)
3537 AC_SUBST(GCC_SHLIB_SUBDIR)
3539 AC_SUBST(build_tooldir)
3540 AC_SUBST(CONFIGURE_GDB_TK)
3542 AC_SUBST(INSTALL_GDB_TK)
3544 # Build module lists & subconfigure args.
3545 AC_SUBST(build_configargs)
3546 AC_SUBST(build_configdirs)
3548 # Host module lists & subconfigure args.
3549 AC_SUBST(host_configargs)
3550 AC_SUBST(configdirs)
3551 AC_SUBST(target_configdirs)
3553 # Target module lists & subconfigure args.
3554 AC_SUBST(target_configargs)
3558 AC_SUBST(AR_FOR_BUILD)
3559 AC_SUBST(AS_FOR_BUILD)
3560 AC_SUBST(CC_FOR_BUILD)
3561 AC_SUBST(CFLAGS_FOR_BUILD)
3562 AC_SUBST(CPP_FOR_BUILD)
3563 AC_SUBST(CPPFLAGS_FOR_BUILD)
3564 AC_SUBST(CXXFLAGS_FOR_BUILD)
3565 AC_SUBST(CXX_FOR_BUILD)
3566 AC_SUBST(DLLTOOL_FOR_BUILD)
3567 AC_SUBST(DSYMUTIL_FOR_BUILD)
3568 AC_SUBST(GFORTRAN_FOR_BUILD)
3569 AC_SUBST(GOC_FOR_BUILD)
3570 AC_SUBST(GDC_FOR_BUILD)
3571 AC_SUBST(LDFLAGS_FOR_BUILD)
3572 AC_SUBST(LD_FOR_BUILD)
3573 AC_SUBST(NM_FOR_BUILD)
3574 AC_SUBST(RANLIB_FOR_BUILD)
3575 AC_SUBST(WINDMC_FOR_BUILD)
3576 AC_SUBST(WINDRES_FOR_BUILD)
3578 # Generate default definitions for YACC, M4, LEX and other programs that run
3579 # on the build machine. These are used if the Makefile can't locate these
3580 # programs in objdir.
3581 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3583 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3584 case " $build_configdirs " in
3585 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3588 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3589 case " $build_configdirs " in
3590 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3593 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3594 case " $build_configdirs " in
3595 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3598 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3599 case " $build_configdirs " in
3600 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3601 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3604 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3605 case " $build_configdirs " in
3606 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3609 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3610 case " $build_configdirs " in
3611 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3614 # For an installed makeinfo, we require it to be from texinfo 4.7 or
3615 # higher, else we use the "missing" dummy.
3616 if ${MAKEINFO} --version \
3617 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
3620 MAKEINFO="$MISSING makeinfo"
3626 # FIXME: expect and dejagnu may become build tools?
3628 AC_CHECK_PROGS(EXPECT, expect, expect)
3629 case " $configdirs " in
3631 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3635 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3636 case " $configdirs " in
3638 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3644 NCN_STRICT_CHECK_TOOLS(AR, ar)
3645 NCN_STRICT_CHECK_TOOLS(AS, as)
3646 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3647 NCN_STRICT_CHECK_TOOLS(DSYMUTIL, dsymutil)
3648 NCN_STRICT_CHECK_TOOLS(LD, ld)
3649 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3650 NCN_STRICT_CHECK_TOOLS(NM, nm)
3651 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3652 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3653 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3654 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3655 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3656 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3657 NCN_STRICT_CHECK_TOOLS(OTOOL, otool)
3658 NCN_STRICT_CHECK_TOOLS(READELF, readelf)
3667 AC_ARG_WITH([build-time-tools],
3668 [AS_HELP_STRING([--with-build-time-tools=PATH],
3669 [use given path to find target tools during the build])],
3670 [case x"$withval" in
3673 with_build_time_tools=
3674 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3677 [with_build_time_tools=])
3679 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3680 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3681 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3682 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3683 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3684 NCN_STRICT_CHECK_TARGET_TOOLS(GDC_FOR_TARGET, gdc)
3685 NCN_STRICT_CHECK_TARGET_TOOLS(GM2_FOR_TARGET, gm2)
3687 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3688 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3689 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3690 ACX_CHECK_INSTALLED_TARGET_TOOL(DSYMUTIL_FOR_TARGET, dsymutil)
3691 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3692 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3693 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3694 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy)
3695 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3696 ACX_CHECK_INSTALLED_TARGET_TOOL(OTOOL_FOR_TARGET, otool)
3697 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3698 ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
3699 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3700 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3701 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3703 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3705 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3706 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3707 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3708 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3709 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3710 [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],
3712 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3713 [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],
3715 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3716 GCC_TARGET_TOOL(dsymutil, DSYMUTIL_FOR_TARGET, DSYMUTIL)
3717 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3718 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3719 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3720 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3721 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3722 GCC_TARGET_TOOL(gdc, GDC_FOR_TARGET, GDC,
3723 [gcc/gdc -B$$r/$(HOST_SUBDIR)/gcc/], d)
3724 GCC_TARGET_TOOL(gm2, GM2_FOR_TARGET, GM2,
3725 [gcc/gm2 -B$$r/$(HOST_SUBDIR)/gcc/], m2)
3726 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3727 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3728 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3729 GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy])
3730 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3731 GCC_TARGET_TOOL(otool, OTOOL_FOR_TARGET, OTOOL)
3732 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3733 GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
3734 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3735 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3736 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3738 AC_SUBST(FLAGS_FOR_TARGET)
3739 AC_SUBST(RAW_CXX_FOR_TARGET)
3741 # Certain tools may need extra flags.
3742 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3743 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3744 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3746 # When building target libraries, except in a Canadian cross, we use
3747 # the same toolchain as the compiler we just built.
3748 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3749 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3750 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3751 if test $host = $build; then
3752 case " $configdirs " in
3754 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3755 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3756 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3761 AC_SUBST(COMPILER_AS_FOR_TARGET)
3762 AC_SUBST(COMPILER_LD_FOR_TARGET)
3763 AC_SUBST(COMPILER_NM_FOR_TARGET)
3765 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3766 AC_ARG_ENABLE(maintainer-mode,
3767 [AS_HELP_STRING([--enable-maintainer-mode],
3768 [enable make rules and dependencies not useful
3769 (and sometimes confusing) to the casual installer])],
3770 USE_MAINTAINER_MODE=$enableval,
3771 USE_MAINTAINER_MODE=no)
3772 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3773 AC_SUBST(MAINTAINER_MODE_TRUE)
3774 AC_SUBST(MAINTAINER_MODE_FALSE)
3775 if test "$USE_MAINTAINER_MODE" = yes; then
3776 MAINTAINER_MODE_TRUE=
3777 MAINTAINER_MODE_FALSE='#'
3779 MAINTAINER_MODE_TRUE='#'
3780 MAINTAINER_MODE_FALSE=
3782 MAINT=$MAINTAINER_MODE_TRUE
3785 # ---------------------
3786 # GCC bootstrap support
3787 # ---------------------
3789 # Stage specific cflags for build.
3794 yes) stage1_cflags="-g -Wa,-J" ;;
3795 *) stage1_cflags="-g -J" ;;
3799 AC_SUBST(stage1_cflags)
3801 # Enable --enable-checking in stage1 of the compiler.
3802 AC_ARG_ENABLE(stage1-checking,
3803 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3804 [choose additional checking for stage1 of the compiler])],
3805 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3806 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3807 # For --disable-checking or implicit --enable-checking=release, avoid
3808 # setting --enable-checking=gc in the default stage1 checking for LTO
3809 # bootstraps. See PR62077.
3810 case $BUILD_CONFIG in
3812 stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types;;
3814 stage1_checking=--enable-checking=yes,types;;
3816 if test "x$enable_checking" = x && \
3817 test -d ${srcdir}/gcc && \
3818 test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then
3819 stage1_checking=--enable-checking=yes,types,extra
3822 stage1_checking=--enable-checking=$enable_checking,types
3824 AC_SUBST(stage1_checking)
3826 # Enable -Werror in bootstrap stage2 and later.
3827 AC_ARG_ENABLE(werror,
3828 [AS_HELP_STRING([--enable-werror],
3829 [enable -Werror in bootstrap stage2 and later])],
3831 case ${enable_werror} in
3832 yes) stage2_werror_flag="--enable-werror-always" ;;
3833 *) stage2_werror_flag="" ;;
3837 if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3838 case $BUILD_CONFIG in
3840 stage2_werror_flag="--enable-werror-always" ;;
3842 stage2_werror_flag="--enable-werror-always" ;;
3847 AC_SUBST(stage2_werror_flag)
3849 # Specify what files to not compare during bootstrap.
3851 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3852 compare_exclusions="$compare_exclusions | gcc/m2/gm2-compiler-boot/M2Version*"
3853 compare_exclusions="$compare_exclusions | gcc/m2/gm2-compiler-boot/SYSTEM*"
3854 compare_exclusions="$compare_exclusions | gcc/m2/gm2version*"
3856 hppa*64*-*-hpux*) ;;
3857 powerpc*-ibm-aix*) compare_exclusions="$compare_exclusions | *libgomp*\$(objext)" ;;
3859 AC_SUBST(compare_exclusions)
3861 AC_CONFIG_FILES([Makefile],
3862 [sed "$extrasub_build" Makefile |
3863 sed "$extrasub_host" |
3864 sed "$extrasub_target" > mf$$
3865 mv -f mf$$ Makefile],
3866 [extrasub_build="$extrasub_build"
3867 extrasub_host="$extrasub_host"
3868 extrasub_target="$extrasub_target"])