1 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
2 # 2000, 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
4 # This file is free software; you can redistribute it and/or modify it
5 # under the terms of the GNU General Public License as published by
6 # the Free Software Foundation; either version 2 of the License, or
7 # (at your option) any later version.
9 # This program is distributed in the hope that it will be useful, but
10 # WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 # General Public License for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with this program; if not, write to the Free Software
16 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18 ##############################################################################
19 ### WARNING: this file contains embedded tabs. Do not run untabify on this file.
21 sinclude(config/acx.m4)
23 AC_INIT(move-if-change)
26 # Find the build, host, and target systems.
27 ACX_NONCANONICAL_BUILD
29 ACX_NONCANONICAL_TARGET
31 dnl Autoconf 2.5x and later will set a default program prefix if
32 dnl --target was used, even if it was the same as --host. Disable
33 dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
35 test "$host_noncanonical" = "$target_noncanonical" &&
36 test "$program_prefix$program_suffix$program_transform_name" = \
38 program_transform_name=s,y,y,
43 m4_pattern_allow([^AS_FOR_TARGET$])dnl
45 # Get 'install' or 'install-sh' and its variants.
50 ### we might need to use some other shell than /bin/sh for running subshells
51 ### If we are on Windows, search for the shell. This will permit people
52 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
53 ### without also having to set CONFIG_SHELL. This code will work when
54 ### using bash, which sets OSTYPE.
57 if test x${CONFIG_SHELL} = x ; then
58 if test ! -f /bin/sh ; then
59 if test x${SHELL} != x && test -f ${SHELL} ; then
63 for prog in sh sh.exe bash bash.exe; do
64 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
66 test -z "$dir" && dir=.
67 if test -f $dir/$prog; then
68 CONFIG_SHELL=$dir/$prog
74 test -n "${CONFIG_SHELL}" && break
82 config_shell=${CONFIG_SHELL-/bin/sh}
85 # if PWD already has a value, it is probably wrong.
86 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
88 # Export original configure arguments for use by sub-configures. These
89 # will be expanded by make, so quote '$'.
91 sed -e 's,\$,$$,g' <<EOF_SED > conftestsed.out
94 TOPLEVEL_CONFIGURE_ARGUMENTS=`cat conftestsed.out`
96 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
98 moveifchange=${srcdir}/move-if-change
100 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
102 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
104 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
105 INSTALL="${srcpwd}/install-sh -c"
108 # Set srcdir to "." if that's what it is.
109 # This is important for multilib support.
111 if test "${pwd}" = "${srcpwd}" ; then
119 ### To add a new directory to the tree, first choose whether it is a target
120 ### or a host dependent tool. Then put it into the appropriate list
121 ### (library or tools, host or target), doing a dependency sort.
123 # Subdirs will be configured in the order listed in build_configdirs,
124 # configdirs, or target_configdirs; see the serialization section below.
126 # Dependency sorting is only needed when *configuration* must be done in
127 # a particular order. In all cases a dependency should be specified in
128 # the Makefile, whether or not it's implicitly specified here.
130 # Double entries in build_configdirs, configdirs, or target_configdirs may
131 # cause circular dependencies and break everything horribly.
133 # these library is used by various programs built for the build
136 build_libs="build-libiberty"
138 # these tools are built for the build environment
139 build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fixincludes"
141 # these libraries are used by various programs built for the host environment
143 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp libdecnumber gmp mpfr"
145 # these tools are built for the host environment
146 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
147 # know that we are building the simulator.
148 # binutils, gas and ld appear in that order because it makes sense to run
149 # "make check" in that particular order.
150 host_tools="texinfo byacc flex bison binutils gas ld fixincludes gcc sid sim gdb make patch prms send-pr gprof etc expect dejagnu ash bash bzip2 m4 autoconf automake libtool diff rcs fileutils shellutils time textutils wdiff find uudecode hello tar gzip indent recode release sed utils guile perl gawk findutils gettext zip fastjar gnattools"
152 # libgcj represents the runtime libraries only used by gcj.
153 libgcj="target-libffi \
158 # these libraries are built for the target environment, and are built after
159 # the host libraries and the host tools (which may be a cross compiler)
161 target_libraries="target-libiberty \
165 target-libstdc++-v3 \
175 # these tools are built using the target libraries, and are intended to
176 # run only in the target environment
178 # note: any program that *uses* libraries that are in the "target_libraries"
179 # list belongs in this list. those programs are also very likely
180 # candidates for the "native_only" list which follows
182 target_tools="target-examples target-groff target-gperf target-rda"
184 ################################################################################
186 ## All tools belong in one of the four categories, and are assigned above
187 ## We assign ${configdirs} this way to remove all embedded newlines. This
188 ## is important because configure will choke if they ever get through.
189 ## ${configdirs} is directories we build using the host tools.
190 ## ${target_configdirs} is directories we build using the target tools.
191 configdirs=`echo ${host_libs} ${host_tools}`
192 target_configdirs=`echo ${target_libraries} ${target_tools}`
193 build_configdirs=`echo ${build_libs} ${build_tools}`
195 ################################################################################
197 srcname="gnu development package"
199 # This gets set non-empty for some net releases of packages.
202 # Define is_cross_compiler to save on calls to 'test'.
204 if test x"${host}" = x"${target}" ; then
207 is_cross_compiler=yes
210 # Find the build and target subdir names.
213 # Skipdirs are removed silently.
215 # Noconfigdirs are removed loudly.
219 # Make sure we don't let GNU ld be added if we didn't want it.
220 if test x$with_gnu_ld = xno ; then
222 noconfigdirs="$noconfigdirs ld"
226 # Make sure we don't let GNU as be added if we didn't want it.
227 if test x$with_gnu_as = xno ; then
229 noconfigdirs="$noconfigdirs gas"
232 # some tools are so dependent upon X11 that if we're not building with X,
233 # it's not even worth trying to configure, much less build, that tool.
236 yes | "") ;; # the default value for this tree is that X11 is available
238 skipdirs="${skipdirs} tk itcl libgui"
239 # We won't be able to build gdbtk without X.
242 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
245 # Some tools are only suitable for building in a "native" situation.
246 # Remove these if host!=target.
247 native_only="autoconf automake libtool fileutils find gawk gettext gzip hello indent m4 rcs recode sed shellutils tar textutils uudecode wdiff target-groff guile perl time ash bash bzip2 prms gnuserv target-gperf"
249 # Similarly, some are only suitable for cross toolchains.
250 # Remove these if host=target.
251 cross_only="target-libgloss target-newlib target-opcodes"
253 case $is_cross_compiler in
254 no) skipdirs="${skipdirs} ${cross_only}" ;;
255 yes) skipdirs="${skipdirs} ${native_only}" ;;
258 # If both --with-headers and --with-libs are specified, default to
260 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
261 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
262 if test x"${with_newlib}" = x ; then
267 # Recognize --with-newlib/--without-newlib.
268 case ${with_newlib} in
269 no) skipdirs="${skipdirs} target-newlib" ;;
270 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
273 # Configure extra directories which are host specific
277 configdirs="$configdirs libtermcap" ;;
280 # A target can indicate whether a language isn't supported for some reason.
281 # Only spaces may be used in this macro; not newlines or tabs.
282 unsupported_languages=
284 # Remove more programs from consideration, based on the host or
285 # target this usually means that a port of the program doesn't
290 noconfigdirs="$noconfigdirs byacc"
292 i[[3456789]]86-*-vsta)
293 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl gnuserv gettext"
295 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
296 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
299 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
301 i[[3456789]]86-*-mingw32*)
302 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv"
303 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
305 i[[3456789]]86-*-beos*)
306 noconfigdirs="$noconfigdirs tk itcl libgui gdb"
309 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
312 noconfigdirs="$noconfigdirs rcs"
315 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl gnuserv"
318 noconfigdirs="$noconfigdirs tk itcl libgui gdb dejagnu readline"
323 AC_ARG_ENABLE(libada,
324 [ --enable-libada Builds libada directory],
325 ENABLE_LIBADA=$enableval,
327 if test "${ENABLE_LIBADA}" != "yes" ; then
328 noconfigdirs="$noconfigdirs gnattools"
331 AC_ARG_ENABLE(libssp,
332 [ --enable-libssp Builds libssp directory],
333 ENABLE_LIBSSP=$enableval,
336 # Save it here so that, even in case of --enable-libgcj, if the Java
337 # front-end isn't enabled, we still get libgcj disabled.
339 case $enable_libgcj in
341 # If we reset it here, it won't get added to noconfigdirs in the
342 # target-specific build rules, so it will be forcibly enabled
343 # (unless the Java language itself isn't enabled).
347 # Make sure we get it printed in the list of not supported target libs.
348 noconfigdirs="$noconfigdirs ${libgcj}"
353 # Disable libmudflap on some systems.
354 if test x$enable_libmudflap = x ; then
356 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
357 # Enable libmudflap by default in GNU and friends.
360 # Enable libmudflap by default in FreeBSD.
363 # Disable it by default everywhere else.
364 noconfigdirs="$noconfigdirs target-libmudflap"
369 # Disable libgomp on non POSIX hosted systems.
370 if test x$enable_libgomp = x ; then
371 # Enable libgomp by default on hosted POSIX systems.
373 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
375 *-*-netbsd* | *-*-freebsd* | *-*-openbsd*)
377 *-*-solaris2* | *-*-sysv4* | *-*-irix6* | *-*-osf* | *-*-hpux11*)
379 *-*-darwin* | *-*-aix*)
382 noconfigdirs="$noconfigdirs target-libgomp"
390 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
392 powerpc-*-darwin* | i[[3456789]]86-*-darwin*)
393 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
394 noconfigdirs="$noconfigdirs sim target-rda"
397 noconfigdirs="$noconfigdirs ld gas gdb gprof"
398 noconfigdirs="$noconfigdirs sim target-rda"
399 noconfigdirs="$noconfigdirs ${libgcj}"
401 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
402 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
405 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
406 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
407 && test -f /usr/local/include/gmp.h; then
411 # Skip some stuff that's unsupported on some FreeBSD configurations.
416 noconfigdirs="$noconfigdirs ${libgcj}"
421 # Remove unsupported stuff on all kaOS configurations.
422 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
423 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
424 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
425 noconfigdirs="$noconfigdirs target-libgloss"
428 # Skip some stuff on all NetBSD configurations.
429 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
431 # Skip some stuff that's unsupported on some NetBSD configurations.
433 i*86-*-netbsdelf*) ;;
434 arm*-*-netbsdelf*) ;;
436 noconfigdirs="$noconfigdirs ${libgcj}"
441 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap"
444 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
446 # The tpf target doesn't support gdb yet.
448 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj} target-libmudflap gdb tcl tk libgui itcl"
451 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
454 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty target-libstdc++-v3 ${libgcj}"
457 # ld works, but does not support shared libraries.
458 # newlib is not 64 bit ready. I'm not sure about fileutils.
459 # gas doesn't generate exception information.
460 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
463 noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
466 # newlib is not 64 bit ready
467 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
470 # newlib is not 64 bit ready
471 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
474 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
477 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
479 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
480 noconfigdirs="$noconfigdirs ${libgcj}"
481 noconfigdirs="$noconfigdirs target-examples"
482 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
483 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
484 noconfigdirs="$noconfigdirs expect dejagnu"
485 # the C++ libraries don't build on top of CE's C libraries
486 noconfigdirs="$noconfigdirs target-libstdc++-v3"
487 noconfigdirs="$noconfigdirs target-newlib"
489 *-*-cygwin*) ;; # keep gdb and readline
490 *) noconfigdirs="$noconfigdirs gdb readline"
495 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
499 arm-*-coff | strongarm-*-coff | xscale-*-coff)
500 noconfigdirs="$noconfigdirs ${libgcj}"
502 arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
503 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
505 arm*-*-linux-gnueabi)
506 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
507 noconfigdirs="$noconfigdirs target-libjava target-libobjc"
510 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
513 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
516 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
519 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
522 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
525 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
528 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
531 noconfigdirs="$noconfigdirs gdb"
532 if test x${is_cross_compiler} != xno ; then
533 target_configdirs="${target_configdirs} target-bsp target-cygmon"
537 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
539 c54x*-*-* | tic54x-*-*)
540 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
542 cris-*-* | crisv32-*-*)
543 unsupported_languages="$unsupported_languages java"
546 unsupported_languages="$unsupported_languages fortran"
547 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
549 unsupported_languages="$unsupported_languages fortran"
550 noconfigdirs="$noconfigdirs target-boehm-gc";;
552 noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
554 unsupported_languages="$unsupported_languages fortran"
555 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss";;
559 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-mudflap ${libgcj}"
562 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
565 noconfigdirs="$noconfigdirs ${libgcj} gdb"
568 noconfigdirs="$noconfigdirs ${libgcj} gdb"
571 noconfigdirs="$noconfigdirs ${libgcj}"
574 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
577 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
579 hppa1.1-*-osf* | hppa1.1-*-bsd* )
581 hppa*64*-*-linux* | parisc*64*-*-linux*)
582 # In this case, it's because the hppa64-linux target is for
583 # the kernel only at this point and has no libc, and thus no
584 # headers, crt*.o, etc., all of which are needed by these.
585 noconfigdirs="$noconfigdirs target-zlib"
587 parisc*-*-linux* | hppa*-*-linux*)
593 noconfigdirs="$noconfigdirs ${libgcj}"
596 noconfigdirs="$noconfigdirs ld shellutils"
599 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
600 # build on HP-UX 10.20.
601 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
604 noconfigdirs="$noconfigdirs ${libgcj} gdb"
607 # No gdb support yet.
608 noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
611 # No gdb or ld support yet.
612 noconfigdirs="$noconfigdirs ${libgcj} readline mmalloc libgui itcl gdb ld"
616 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
617 noconfigdirs="$noconfigdirs ${libgcj}"
619 i[[3456789]]86-*-linux*)
620 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
621 # not build java stuff by default.
624 noconfigdirs="$noconfigdirs ${libgcj}";;
627 # This section makes it possible to build newlib natively on linux.
628 # If we are using a cross compiler then don't configure newlib.
629 if test x${is_cross_compiler} != xno ; then
630 noconfigdirs="$noconfigdirs target-newlib"
632 noconfigdirs="$noconfigdirs target-libgloss"
633 # If we are not using a cross compiler, do configure newlib.
634 # Note however, that newlib will only be configured in this situation
635 # if the --with-newlib option has been given, because otherwise
636 # 'target-newlib' will appear in skipdirs.
638 i[[3456789]]86-*-mingw32*)
639 target_configdirs="$target_configdirs target-winsup"
640 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
643 target_configdirs="$target_configdirs target-winsup"
644 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
647 target_configdirs="$target_configdirs target-libtermcap target-winsup"
648 noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
649 # always build newlib if winsup directory is present.
650 if test -d "$srcdir/winsup/cygwin"; then
651 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
652 elif test -d "$srcdir/newlib"; then
653 echo "Warning: winsup/cygwin is missing so newlib can't be built."
656 i[[3456789]]86-moss-msdos | i[[3456789]]86-*-moss* | \
657 i[[3456789]]86-*-uwin* | i[[3456789]]86-*-interix* )
660 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
662 i[[3456789]]86-*-sco3.2v5*)
663 # The linker does not yet know about weak symbols in COFF,
664 # and is not configured to handle mixed ELF and COFF.
665 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
667 i[[3456789]]86-*-sco*)
668 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
670 i[[3456789]]86-*-solaris2*)
671 noconfigdirs="$noconfigdirs target-libgloss"
673 i[[3456789]]86-*-sysv4*)
674 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
676 i[[3456789]]86-*-beos*)
677 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
679 i[[3456789]]86-*-rdos*)
680 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
683 noconfigdirs="$noconfigdirs ${libgcj}"
685 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
686 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
689 noconfigdirs="$noconfigdirs ${libgcj}"
692 noconfigdirs="$noconfigdirs ${libgcj}"
695 # The EPOC C++ environment does not support exceptions or rtti,
696 # and so building libstdc++-v3 tends not to always work.
697 noconfigdirs="$noconfigdirs target-libstdc++-v3"
700 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc gdb libgloss"
701 unsupported_languages="$unsupported_languages fortran java"
704 noconfigdirs="$noconfigdirs ${libgcj}"
707 noconfigdirs="$noconfigdirs ${libgcj}"
710 noconfigdirs="$noconfigdirs sim"
713 # copied from rs6000-*-* entry
714 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp ${libgcj}"
716 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
717 target_configdirs="$target_configdirs target-winsup"
718 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
719 # always build newlib.
720 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
722 # This is temporary until we can link against shared libraries
723 powerpcle-*-solaris*)
724 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
727 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
730 noconfigdirs="$noconfigdirs ${libgcj}"
732 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
735 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
738 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp ${libgcj}"
741 noconfigdirs="$noconfigdirs gprof ${libgcj}"
744 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
747 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
750 # Linking libjava exceeds command-line length limits on at least
751 # IRIX 6.2, but not on IRIX 6.5.
752 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
753 # <oldham@codesourcery.com>
754 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
757 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
760 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
763 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
766 noconfigdirs="$noconfigdirs gprof ${libgcj}"
769 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
773 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
774 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
775 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
776 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
778 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
781 noconfigdirs="$noconfigdirs ${libgcj}"
784 noconfigdirs="$noconfigdirs ${libgcj}"
787 noconfigdirs="$noconfigdirs ${libgcj}"
790 noconfigdirs="$noconfigdirs ${libgcj}"
791 if test x${is_cross_compiler} != xno ; then
792 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
797 sparc-*-solaris2.[[0-6]] | sparc-*-solaris2.[[0-6]].*)
798 noconfigdirs="$noconfigdirs ${libgcj}"
800 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
803 skipdirs="target-libssp"
806 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
809 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
812 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
815 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
818 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
821 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
824 noconfigdirs="$noconfigdirs ${libgcj}"
827 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
829 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
830 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
833 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
836 noconfigdirs="$noconfigdirs ${libgcj}"
840 # If we aren't building newlib, then don't build libgloss, since libgloss
841 # depends upon some newlib header files.
842 case "${noconfigdirs}" in
843 *target-libgloss*) ;;
844 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
847 # Work in distributions that contain no compiler tools, like Autoconf.
849 host_makefile_frag=/dev/null
850 if test -d ${srcdir}/config ; then
853 # Avoid "too much defining" errors from HPUX compiler.
854 tentative_cc="cc -Wp,-H256000"
855 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
856 # If it's HP/UX ar, this should be harmless.
860 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
863 #None of the Apollo compilers can compile gas or binutils. The preprocessor
864 # chokes on bfd, the compiler won't let you assign integers to enums, and
865 # other problems. Defining CC to gcc is a questionable way to say "don't use
866 # the apollo compiler" (the preferred version of GCC could be called cc,
867 # or whatever), but I'm not sure leaving CC as cc is any better...
868 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
869 # Used to have BISON=yacc.
873 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
876 # Under CX/UX, we want to tell the compiler to use ANSI mode.
877 tentative_cc="cc -Xa"
878 host_makefile_frag="config/mh-cxux"
883 tentative_cc="cc -Wf,-XNg1000"
884 host_makefile_frag="config/mh-decstation"
887 # The C compiler on NEC MIPS SVR4 needs bigger tables.
888 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
889 host_makefile_frag="config/mh-necv4"
892 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
893 # environment. Also bump switch table size so that cp-parse will
894 # compile. Bump string length limit so linker builds.
895 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
898 host_makefile_frag="config/mh-sysv4"
901 # This is for a MIPS running RISC/os 4.52C.
903 # This is needed for GDB, but needs to be in the top-level make because
904 # if a library is compiled with the bsd headers and gets linked with the
905 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
907 # ptrace(2) apparently has problems in the BSD environment. No workaround is
908 # known except to select the sysv environment. Could we use /proc instead?
909 # These "sysv environments" and "bsd environments" often end up being a pain.
911 # This is not part of CFLAGS because perhaps not all C compilers have this
913 tentative_cc="cc -systype sysv"
918 i[[3456789]]86-*-sysv5*)
919 host_makefile_frag="config/mh-sysv5"
921 i[[3456789]]86-*-dgux*)
922 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
923 host_makefile_frag="config/mh-dgux386"
925 i[[3456789]]86-ncr-sysv4.3*)
926 # The MetaWare compiler will generate a copyright message unless you
927 # turn it off by adding the -Hnocopyr flag.
928 tentative_cc="cc -Hnocopyr"
930 i[[3456789]]86-ncr-sysv4*)
931 # for an NCR 3000 (i486/SVR4) system.
932 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
933 # This compiler not only emits obnoxious copyright messages every time
934 # you run it, but it chokes and dies on a whole bunch of GNU source
935 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
936 tentative_cc="/usr/ccs/ATT/cc"
937 host_makefile_frag="config/mh-ncr3000"
939 i[[3456789]]86-*-sco3.2v5*)
941 i[[3456789]]86-*-sco*)
942 # The native C compiler botches some simple uses of const. Unfortunately,
943 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
944 tentative_cc="cc -Dconst="
945 host_makefile_frag="config/mh-sco"
947 i[[3456789]]86-*-udk*)
948 host_makefile_frag="config/mh-sysv5"
950 i[[3456789]]86-*-solaris2*)
951 host_makefile_frag="config/mh-sysv4"
953 i[[3456789]]86-*-msdosdjgpp*)
954 host_makefile_frag="config/mh-djgpp"
957 host_makefile_frag="config/mh-cygwin"
964 host_makefile_frag="config/mh-interix"
967 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
971 host_makefile_frag="config/mh-solaris"
974 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
975 # without overflowing the jump tables (-J says to use a 32 bit table)
979 tentative_cc="cc -Wp,-H256000"
982 tentative_cc="cc -Wp,-H256000"
985 # /bin/cc is less than useful for our purposes. Always use GCC
986 tentative_cc="/usr/cygnus/progressive/bin/gcc"
987 host_makefile_frag="config/mh-lynxrs6k"
990 host_makefile_frag="config/mh-ppc-darwin"
993 host_makefile_frag="config/mh-ppc-aix"
996 host_makefile_frag="config/mh-ppc-aix"
999 # /bin/cc is less than useful for our purposes. Always use GCC
1000 tentative_cc="/bin/gcc"
1003 host_makefile_frag="config/mh-sysv4"
1005 # This is placed last to prevent interfering with the cases above.
1007 # Build the stage2 and stage3 compilers with -fomit-frame-pointer.
1008 host_makefile_frag="config/mh-x86omitfp"
1013 # If we aren't going to be using gcc, see if we can extract a definition
1014 # of CC from the fragment.
1015 # Actually, use the 'pre-extracted' version above.
1016 if test -z "${CC}" && test "${build}" = "${host}" ; then
1017 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
1019 for dir in $PATH; do
1020 test -z "$dir" && dir=.
1021 if test -f $dir/gcc; then
1027 if test -z "${found}" && test -n "${tentative_cc}" ; then
1032 if test "${build}" != "${host}" ; then
1033 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1035 CC_FOR_BUILD="\$(CC)"
1041 # We must set the default linker to the linker used by gcc for the correct
1042 # operation of libtool. If LD is not defined and we are using gcc, try to
1043 # set the LD default to the ld used by gcc.
1044 if test -z "$LD"; then
1045 if test "$GCC" = yes; then
1048 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1050 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1052 case $gcc_prog_ld in
1053 # Accept absolute paths.
1054 [[\\/]* | [A-Za-z]:[\\/]*)]
1055 LD="$gcc_prog_ld" ;;
1061 ACX_PROG_CMP_IGNORE_INITIAL
1063 # Check for GMP and MPFR
1064 gmplibs="-lmpfr -lgmp"
1068 # Specify a location for mpfr
1069 # check for this first so it ends up on the link line before gmp.
1070 AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH This option has been REMOVED],
1071 AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1072 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH]))
1074 AC_ARG_WITH(mpfr, [ --with-mpfr=PATH Specify prefix directory for installed MPFR package
1075 Equivalent to --with-mpfr-include=PATH/include
1076 plus --with-mpfr-lib=PATH/lib])
1077 AC_ARG_WITH(mpfr_include, [ --with-mpfr-include=PATH
1078 Specify directory for installed MPFR include files])
1079 AC_ARG_WITH(mpfr_lib, [ --with-mpfr-lib=PATH Specify the directory for the installed MPFR library])
1081 if test "x$with_mpfr" != x; then
1082 gmplibs="-L$with_mpfr/lib $gmplibs"
1083 gmpinc="-I$with_mpfr/include"
1085 if test "x$with_mpfr_include" != x; then
1086 gmpinc="-I$with_mpfr_include"
1088 if test "x$with_mpfr_lib" != x; then
1089 gmplibs="-L$with_mpfr_lib $gmplibs"
1091 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1092 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/.libs -L$$r/$(HOST_SUBDIR)/mpfr/_libs '"$gmplibs"
1093 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1094 # Do not test the mpfr version. Assume that it is sufficient, since
1095 # it is in the source tree, and the library has not been built yet
1096 # but it would be included on the link line in the version check below
1097 # hence making the test fail.
1101 # Specify a location for gmp
1102 AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH This option has been REMOVED],
1103 AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1104 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH]))
1106 AC_ARG_WITH(gmp, [ --with-gmp=PATH Specify prefix directory for the installed GMP package
1107 Equivalent to --with-gmp-include=PATH/include
1108 plus --with-gmp-lib=PATH/lib])
1109 AC_ARG_WITH(gmp_include, [ --with-gmp-include=PATH Specify directory for installed GMP include files])
1110 AC_ARG_WITH(gmp_lib, [ --with-gmp-lib=PATH Specify the directory for the installed GMP library])
1113 if test "x$with_gmp" != x; then
1114 gmplibs="-L$with_gmp/lib $gmplibs"
1115 gmpinc="-I$with_gmp/include $gmpinc"
1117 if test "x$with_gmp_include" != x; then
1118 gmpinc="-I$with_gmp_include $gmpinc"
1120 if test "x$with_gmp_lib" != x; then
1121 gmplibs="-L$with_gmp_lib $gmplibs"
1123 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1124 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/.libs -L$$r/$(HOST_SUBDIR)/gmp/_libs '"$gmplibs"
1125 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1126 # Do not test the gmp version. Assume that it is sufficient, since
1127 # it is in the source tree, and the library has not been built yet
1128 # but it would be included on the link line in the version check below
1129 # hence making the test fail.
1133 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1135 saved_CFLAGS="$CFLAGS"
1136 CFLAGS="$CFLAGS $gmpinc"
1137 # Check GMP actually works
1138 AC_MSG_CHECKING([for correct version of gmp.h])
1139 AC_TRY_COMPILE([#include "gmp.h"],[
1140 #if __GNU_MP_VERSION < 4 || (__GNU_MP_VERSION == 4 && __GNU_MP_VERSION_MINOR < 1)
1143 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1145 if test x"$have_gmp" = xyes; then
1147 LIBS="$LIBS $gmplibs"
1148 dnl MPFR 2.2.0 is acceptable but buggy, MPFR 2.2.1 is better.
1149 AC_MSG_CHECKING([for correct version of mpfr.h])
1150 AC_TRY_LINK([#include <gmp.h>
1151 #include <mpfr.h>],[
1152 #if MPFR_VERSION < MPFR_VERSION_NUM(2,2,0)
1155 mpfr_t n; mpfr_init(n);
1156 mpfr_t x; mpfr_init(x);
1158 mpfr_atan2 (n, n, x, GMP_RNDN);
1159 mpfr_erfc (n, x, GMP_RNDN);
1160 mpfr_subnormalize (x, t, GMP_RNDN);
1161 ], [AC_TRY_LINK([#include <gmp.h>
1162 #include <mpfr.h>],[
1163 #if MPFR_VERSION < MPFR_VERSION_NUM(2,2,1)
1166 mpfr_t n; mpfr_init(n);
1167 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1168 [AC_MSG_RESULT([no]); have_gmp=no])
1171 CFLAGS="$saved_CFLAGS"
1173 if test x$have_gmp != xyes; then
1174 AC_MSG_ERROR([Building GCC requires GMP 4.1+ and MPFR 2.2.1+.
1175 Try the --with-gmp and/or --with-mpfr options to specify their locations.
1176 Copies of these libraries' source code can be found at their respective
1177 hosting sites as well as at ftp://gcc.gnu.org/pub/gcc/infrastructure/.
1178 See also http://gcc.gnu.org/install/prerequisites.html for additional info.
1179 If you obtained GMP and/or MPFR from a vendor distribution package, make
1180 sure that you have installed both the libraries and the header files.
1181 They may be located in separate packages.])
1185 # Flags needed for both GMP and/or MPFR
1189 # By default, C is the only stage 1 language.
1190 stage1_languages=,c,
1192 # Figure out what language subdirectories are present.
1193 # Look if the user specified --enable-languages="..."; if not, use
1194 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1196 # NB: embedded tabs in this IF block -- do not untabify
1197 if test -d ${srcdir}/gcc; then
1198 if test x"${enable_languages+set}" != xset; then
1199 if test x"${LANGUAGES+set}" = xset; then
1200 enable_languages="${LANGUAGES}"
1201 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1203 enable_languages=all
1206 if test x"${enable_languages}" = x ||
1207 test x"${enable_languages}" = xyes;
1209 echo configure.in: --enable-languages needs at least one language argument 1>&2
1213 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1215 # 'f95' is the old name for the 'fortran' language. We issue a warning
1216 # and make the substitution.
1217 case ,${enable_languages}, in
1219 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1220 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1224 # First scan to see if an enabled language requires some other language.
1225 # We assume that a given config-lang.in will list all the language
1226 # front ends it requires, even if some are required indirectly.
1227 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1228 case ${lang_frag} in
1230 # The odd quoting in the next line works around
1231 # an apparent bug in bash 1.12 on linux.
1232 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1234 # From the config-lang.in, get $language, $lang_requires
1238 for other in ${lang_requires} ; do
1239 case ,${enable_languages}, in
1243 echo " \`$other' language required by \`$language'; enabling" 1>&2
1244 enable_languages="${enable_languages},${other}"
1252 new_enable_languages=,c,
1253 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1254 potential_languages=,c,
1256 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1257 case ${lang_frag} in
1259 # The odd quoting in the next line works around
1260 # an apparent bug in bash 1.12 on linux.
1261 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1263 # From the config-lang.in, get $language, $target_libs,
1264 # $lang_dirs, $boot_language, and $build_by_default
1270 build_by_default=yes
1272 if test x${language} = x; then
1273 echo "${lang_frag} doesn't set \$language." 1>&2
1277 case ,${enable_languages}, in
1279 # Language was explicitly selected; include it.
1283 # 'all' was selected, select it if it is a default language
1284 add_this_lang=${build_by_default}
1291 # Disable languages that need other directories if these aren't available.
1292 for i in $subdir_requires; do
1293 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1294 case ,${enable_languages}, in
1296 # Specifically requested language; tell them.
1297 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1301 add_this_lang=unsupported
1306 # Disable Ada if no preexisting GNAT is available.
1307 case ,${enable_languages},:${language}:${have_gnat} in
1308 *,${language},*:ada:no)
1309 # Specifically requested language; tell them.
1310 AC_MSG_ERROR([GNAT is required to build $language])
1314 add_this_lang=unsupported
1318 # Disable a language that is unsupported by the target.
1319 case " $unsupported_languages " in
1321 add_this_lang=unsupported
1325 case $add_this_lang in
1327 # Remove language-dependent dirs.
1328 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1331 # Remove language-dependent dirs; still show language as supported.
1332 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1333 potential_languages="${potential_languages}${language},"
1336 new_enable_languages="${new_enable_languages}${language},"
1337 potential_languages="${potential_languages}${language},"
1338 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1339 case ${boot_language} in
1341 # Add to (comma-separated) list of stage 1 languages.
1342 stage1_languages="${stage1_languages}${language},"
1351 AC_ARG_ENABLE(stage1-languages,
1352 [ --enable-stage1-languages[=all] choose additional languages to build during
1353 stage1. Mostly useful for compiler development.],
1354 [case ,${enable_stage1_languages}, in
1356 # Set it to something that will have no effect in the loop below
1357 enable_stage1_languages=c ;;
1359 enable_stage1_languages=`echo $new_enable_languages | \
1360 sed -e "s/^,//" -e "s/,$//" ` ;;
1362 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1363 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1366 # Add "good" languages from enable_stage1_languages to stage1_languages,
1367 # while "bad" languages go in missing_languages. Leave no duplicates.
1368 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1369 case $potential_languages in
1371 case $stage1_languages in
1373 *) stage1_languages="$stage1_languages$i," ;;
1376 case $missing_languages in
1378 *) missing_languages="$missing_languages$i," ;;
1383 # Remove leading/trailing commas that were added for simplicity
1384 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
1385 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1386 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1387 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1389 if test "x$missing_languages" != x; then
1391 The following requested languages could not be built: ${missing_languages}
1392 Supported languages are: ${potential_languages}])
1394 if test "x$new_enable_languages" != "x$enable_languages"; then
1395 echo The following languages will be built: ${new_enable_languages}
1396 enable_languages="$new_enable_languages"
1399 AC_SUBST(stage1_languages)
1400 ac_configure_args=`echo " $ac_configure_args" | sed -e 's/ --enable-languages=[[^ ]]*//' -e 's/$/ --enable-languages='"$enable_languages"/ `
1403 # Handle --disable-<component> generically.
1404 for dir in $configdirs $build_configdirs $target_configdirs ; do
1405 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
1406 if eval test x\${enable_${dirname}} "=" xno ; then
1407 noconfigdirs="$noconfigdirs $dir"
1411 # Check for Boehm's garbage collector
1412 AC_ARG_ENABLE(objc-gc,
1413 [ --enable-objc-gc enable the use of Boehm's garbage collector with
1414 the GNU Objective-C runtime.],
1415 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
1416 *,objc,*:*:yes:*target-boehm-gc*)
1417 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
1421 # Make sure we only build Boehm's garbage collector if required.
1422 case ,${enable_languages},:${enable_objc_gc} in
1424 # Keep target-boehm-gc if requested for Objective-C.
1427 # Otherwise remove target-boehm-gc depending on target-libjava.
1428 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
1429 noconfigdirs="$noconfigdirs target-boehm-gc"
1434 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1435 # $build_configdirs and $target_configdirs.
1436 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1439 for dir in . $skipdirs $noconfigdirs ; do
1440 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
1441 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1442 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1443 if test -r $srcdir/$dirname/configure ; then
1444 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1447 notsupp="$notsupp $dir"
1451 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1452 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
1453 if test -r $srcdir/$dirname/configure ; then
1454 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1457 notsupp="$notsupp $dir"
1461 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1462 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1463 if test -r $srcdir/$dirname/configure ; then
1464 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1467 notsupp="$notsupp $dir"
1473 # Sometimes the tools are distributed with libiberty but with no other
1474 # libraries. In that case, we don't want to build target-libiberty.
1475 # Don't let libgcc imply libiberty either.
1476 if test -n "${target_configdirs}" ; then
1479 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1480 if test "$i" = "libgcc"; then
1481 libgcc=target-libgcc
1482 elif test "$i" != "libiberty" ; then
1483 if test -r $srcdir/$i/configure ; then
1489 if test -z "${others}" ; then
1490 target_configdirs=$libgcc
1494 # Quietly strip out all directories which aren't configurable in this tree.
1495 # This relies on all configurable subdirectories being autoconfiscated, which
1497 build_configdirs_all="$build_configdirs"
1499 for i in ${build_configdirs_all} ; do
1500 j=`echo $i | sed -e s/build-//g`
1501 if test -f ${srcdir}/$j/configure ; then
1502 build_configdirs="${build_configdirs} $i"
1506 configdirs_all="$configdirs"
1508 for i in ${configdirs_all} ; do
1509 if test -f ${srcdir}/$i/configure ; then
1510 configdirs="${configdirs} $i"
1514 target_configdirs_all="$target_configdirs"
1516 for i in ${target_configdirs_all} ; do
1517 j=`echo $i | sed -e s/target-//g`
1518 if test -f ${srcdir}/$j/configure ; then
1519 target_configdirs="${target_configdirs} $i"
1523 # Produce a warning message for the subdirs we can't configure.
1524 # This isn't especially interesting in the Cygnus tree, but in the individual
1525 # FSF releases, it's important to let people know when their machine isn't
1526 # supported by the one or two programs in a package.
1528 if test -n "${notsupp}" && test -z "${norecursion}" ; then
1529 # If $appdirs is non-empty, at least one of those directories must still
1530 # be configured, or we error out. (E.g., if the gas release supports a
1531 # specified target in some subdirs but not the gas subdir, we shouldn't
1532 # pretend that all is well.)
1533 if test -n "$appdirs" ; then
1534 for dir in $appdirs ; do
1535 if test -r $dir/Makefile.in ; then
1536 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1540 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
1546 if test -n "$appdirs" ; then
1547 echo "*** This configuration is not supported by this package." 1>&2
1551 # Okay, some application will build, or we don't care to check. Still
1552 # notify of subdirs not getting built.
1553 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1554 echo " ${notsupp}" 1>&2
1555 echo " (Any other directories should still work fine.)" 1>&2
1563 # To find our prefix, in gcc_cv_tool_prefix.
1568 AC_ARG_WITH([build-sysroot],
1569 [ --with-build-sysroot=sysroot
1570 use sysroot as the system root during the build],
1571 [if test x"$withval" != x ; then
1572 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
1574 [SYSROOT_CFLAGS_FOR_TARGET=])
1575 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
1577 # Handle --with-headers=XXX. If the value is not "yes", the contents of
1578 # the named directory are copied to $(tooldir)/sys-include.
1579 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
1580 if test x${is_cross_compiler} = xno ; then
1581 echo 1>&2 '***' --with-headers is only supported when cross compiling
1584 if test x"${with_headers}" != xyes ; then
1585 x=${gcc_cv_tool_prefix}
1586 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
1590 # Handle --with-libs=XXX. If the value is not "yes", the contents of
1591 # the name directories are copied to $(tooldir)/lib. Multiple directories
1593 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
1594 if test x${is_cross_compiler} = xno ; then
1595 echo 1>&2 '***' --with-libs is only supported when cross compiling
1598 if test x"${with_libs}" != xyes ; then
1599 # Copy the libraries in reverse order, so that files in the first named
1600 # library override files in subsequent libraries.
1601 x=${gcc_cv_tool_prefix}
1602 for l in ${with_libs}; do
1603 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
1608 # Set with_gnu_as and with_gnu_ld as appropriate.
1610 # This is done by determining whether or not the appropriate directory
1611 # is available, and by checking whether or not specific configurations
1612 # have requested that this magic not happen.
1614 # The command line options always override the explicit settings in
1615 # configure.in, and the settings in configure.in override this magic.
1617 # If the default for a toolchain is to use GNU as and ld, and you don't
1618 # want to do that, then you should use the --without-gnu-as and
1619 # --without-gnu-ld options for the configure script.
1621 if test x${use_gnu_as} = x &&
1622 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1624 extra_host_args="$extra_host_args --with-gnu-as"
1627 if test x${use_gnu_ld} = x &&
1628 echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1630 extra_host_args="$extra_host_args --with-gnu-ld"
1633 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1634 # can detect this case.
1636 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1638 extra_host_args="$extra_host_args --with-newlib"
1641 # Handle ${copy_dirs}
1642 set fnord ${copy_dirs}
1644 while test $# != 0 ; do
1645 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
1648 echo Copying $1 to $2
1650 # Use the install script to create the directory and all required
1651 # parent directories.
1652 if test -d $2 ; then
1656 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
1659 # Copy the directory, assuming we have tar.
1660 # FIXME: Should we use B in the second tar? Not all systems support it.
1661 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
1663 # It is the responsibility of the user to correctly adjust all
1664 # symlinks. If somebody can figure out how to handle them correctly
1665 # here, feel free to add the code.
1672 # Determine a target-dependent exec_prefix that the installed
1673 # gcc will search in. Keep this list sorted by triplet, with
1674 # the *-*-osname triplets last.
1678 md_exec_prefix=/gnu/lib/gcc-lib
1680 i[34567]86-pc-msdosdjgpp*)
1681 md_exec_prefix=/dev/env/DJDIR/bin
1683 i[34567]86-*-sco3.2v5*)
1684 if test $with_gnu_as = yes; then
1685 md_exec_prefix=/usr/gnu/bin
1687 md_exec_prefix=/usr/ccs/bin/elf
1692 powerpc-*-chorusos* | \
1693 powerpc*-*-eabi* | \
1694 powerpc*-*-sysv* | \
1695 powerpc*-*-kaos* | \
1697 md_exec_prefix=/usr/ccs/bin
1702 md_exec_prefix=/usr/ccs/bin
1717 md_exec_prefix=/usr/ccs/bin
1721 extra_arflags_for_target=
1722 extra_nmflags_for_target=
1723 extra_ranlibflags_for_target=
1724 target_makefile_frag=/dev/null
1727 target_makefile_frag="config/mt-mep"
1730 target_makefile_frag="config/mt-spu"
1733 target_makefile_frag="config/mt-netware"
1735 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
1736 target_makefile_frag="config/mt-gnu"
1738 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
1739 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1740 # commands to handle both 32-bit and 64-bit objects. These flags are
1741 # harmless if we're using GNU nm or ar.
1742 extra_arflags_for_target=" -X32_64"
1743 extra_nmflags_for_target=" -B -X32_64"
1746 # ranlib from Darwin requires the -c flag to look at common symbols.
1747 extra_ranlibflags_for_target=" -c"
1749 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
1750 target_makefile_frag="config/mt-wince"
1754 alphaieee_frag=/dev/null
1757 # This just makes sure to use the -mieee option to build target libs.
1758 # This should probably be set individually by each library.
1759 alphaieee_frag="config/mt-alphaieee"
1763 # If --enable-target-optspace always use -Os instead of -O2 to build
1764 # the target libraries, similarly if it is not specified, use -Os
1765 # on selected platforms.
1766 ospace_frag=/dev/null
1767 case "${enable_target_optspace}:${target}" in
1769 ospace_frag="config/mt-ospace"
1772 ospace_frag="config/mt-d30v"
1774 :m32r-* | :d10v-* | :fr30-*)
1775 ospace_frag="config/mt-ospace"
1780 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1784 # Default to using --with-stabs for certain targets.
1785 if test x${with_stabs} = x ; then
1787 mips*-*-irix[[56]]*)
1789 mips*-*-* | alpha*-*-osf*)
1791 extra_host_args="${extra_host_args} --with-stabs"
1796 # hpux11 in 64bit mode has libraries in a weird place. Arrange to find
1797 # them automatically.
1800 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1804 # Some systems (e.g., one of the i386-aix systems the gas testers are
1805 # using) don't handle "\$" correctly, so don't use it here.
1806 tooldir='${exec_prefix}'/${target_noncanonical}
1807 build_tooldir=${tooldir}
1809 # Create a .gdbinit file which runs the one in srcdir
1810 # and tells GDB to look there for source files.
1812 if test -r ${srcdir}/.gdbinit ; then
1815 *) cat > ./.gdbinit <<EOF
1819 source ${srcdir}/.gdbinit
1825 # Make sure that the compiler is able to generate an executable. If it
1826 # can't, we are probably in trouble. We don't care whether we can run the
1827 # executable--we might be using a cross compiler--we only care whether it
1828 # can be created. At this point the main configure script has set CC.
1830 echo "int main () { return 0; }" > conftest.c
1831 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1832 if test $? = 0 ; then
1833 if test -s conftest || test -s conftest.exe ; then
1839 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1840 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1847 # The Solaris /usr/ucb/cc compiler does not appear to work.
1849 sparc-sun-solaris2*)
1850 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1851 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1853 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1854 if test -d /opt/cygnus/bin ; then
1855 if test "$could_use" = "" ; then
1856 could_use="/opt/cygnus/bin"
1858 could_use="$could_use or /opt/cygnus/bin"
1861 if test "$could_use" = "" ; then
1862 echo "Warning: compilation may fail because you're using"
1863 echo "/usr/ucb/cc. You should change your PATH or CC "
1864 echo "variable and rerun configure."
1866 echo "Warning: compilation may fail because you're using"
1867 echo "/usr/ucb/cc, when you should use the C compiler from"
1868 echo "$could_use. You should change your"
1869 echo "PATH or CC variable and rerun configure."
1876 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1877 *-*-darwin* | *-*-rhapsody* ) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
1878 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1881 # Record target_configdirs and the configure arguments for target and
1882 # build configuration in Makefile.
1883 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1884 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
1886 # Determine whether gdb needs tk/tcl or not.
1887 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1888 # and in that case we want gdb to be built without tk. Ugh!
1889 # In fact I believe gdb is the *only* package directly dependent on tk,
1890 # so we should be able to put the 'maybe's in unconditionally and
1891 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
1892 # 100% sure that that's safe though.
1894 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
1895 case "$enable_gdbtk" in
1899 GDB_TK="${gdb_tk}" ;;
1901 # Only add the dependency on gdbtk when GDBtk is part of the gdb
1902 # distro. Eventually someone will fix this and move Insight, nee
1903 # gdbtk to a separate directory.
1904 if test -d ${srcdir}/gdb/gdbtk ; then
1911 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
1912 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
1914 # Strip out unwanted targets.
1916 # While at that, we remove Makefiles if we were started for recursive
1917 # configuration, so that the top-level Makefile reconfigures them,
1918 # like we used to do when configure itself was recursive.
1920 # Loop over modules. $extrasub must be used with care, limiting as
1921 # much as possible the usage of range addresses. That's because autoconf
1922 # splits the sed script to overcome limits in the number of commands,
1923 # and relying on carefully-timed sed passes may turn out to be very hard
1924 # to maintain later. In this particular case, you just have to be careful
1925 # not to nest @if/@endif pairs, because configure will not warn you at all.
1927 AC_ARG_ENABLE([bootstrap],
1928 [ --enable-bootstrap Enable bootstrapping [yes if native build]],,
1929 enable_bootstrap=default)
1931 # Issue errors and warnings for invalid/strange bootstrap combinations.
1932 case "$configdirs" in
1933 *gcc*) have_compiler=yes ;;
1934 *) have_compiler=no ;;
1937 case "$have_compiler:$host:$target:$enable_bootstrap" in
1940 # Default behavior. Enable bootstrap if we have a compiler
1941 # and we are in a native configuration.
1942 yes:$build:$build:default)
1943 enable_bootstrap=yes ;;
1946 enable_bootstrap=no ;;
1948 # We have a compiler and we are in a native configuration, bootstrap is ok
1949 yes:$build:$build:yes)
1952 # Other configurations, but we have a compiler. Assume the user knows
1955 AC_MSG_WARN([trying to bootstrap a cross compiler])
1958 # No compiler: if they passed --enable-bootstrap explicitly, fail
1960 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1962 # Fail if wrong command line
1964 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1968 # Adjust the toplevel makefile according to whether bootstrap was selected.
1969 case "$enable_bootstrap" in
1971 bootstrap_suffix=bootstrap ;;
1973 bootstrap_suffix=no-bootstrap ;;
1976 for module in ${build_configdirs} ; do
1977 if test -z "${no_recursion}" \
1978 && test -f ${build_subdir}/${module}/Makefile; then
1979 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
1980 rm -f ${build_subdir}/${module}/Makefile
1983 /^@if build-$module\$/d
1984 /^@endif build-$module\$/d
1985 /^@if build-$module-$bootstrap_suffix\$/d
1986 /^@endif build-$module-$bootstrap_suffix\$/d"
1988 for module in ${configdirs} ; do
1989 if test -z "${no_recursion}"; then
1990 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
1991 if test -f ${file}; then
1992 echo 1>&2 "*** removing ${file} to force reconfigure"
1999 /^@endif $module\$/d
2000 /^@if $module-$bootstrap_suffix\$/d
2001 /^@endif $module-$bootstrap_suffix\$/d"
2003 for module in ${target_configdirs} ; do
2004 if test -z "${no_recursion}" \
2005 && test -f ${target_subdir}/${module}/Makefile; then
2006 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2007 rm -f ${target_subdir}/${module}/Makefile
2010 /^@if target-$module\$/d
2011 /^@endif target-$module\$/d
2012 /^@if target-$module-$bootstrap_suffix\$/d
2013 /^@endif target-$module-$bootstrap_suffix\$/d"
2017 /^@if /,/^@endif /d"
2019 # Create the serialization dependencies. This uses a temporary file.
2021 AC_ARG_ENABLE([serial-configure],
2022 [ --enable-serial-[{host,target,build}-]configure
2023 Force sequential configuration of
2024 sub-packages for the host, target or build
2025 machine, or all sub-packages])
2027 case ${enable_serial_configure} in
2029 enable_serial_build_configure=yes
2030 enable_serial_host_configure=yes
2031 enable_serial_target_configure=yes
2035 # These force 'configure's to be done one at a time, to avoid problems
2036 # with contention over a shared config.cache.
2038 echo '# serdep.tmp' > serdep.tmp
2040 test "x${enable_serial_build_configure}" = xyes &&
2041 for item in ${build_configdirs} ; do
2044 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2049 test "x${enable_serial_host_configure}" = xyes &&
2050 for item in ${configdirs} ; do
2053 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2058 test "x${enable_serial_target_configure}" = xyes &&
2059 for item in ${target_configdirs} ; do
2062 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2066 serialization_dependencies=serdep.tmp
2067 AC_SUBST_FILE(serialization_dependencies)
2069 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2070 # target, nonopt, and variable assignments. These are the ones we
2071 # might not want to pass down to subconfigures. Also strip
2072 # program-prefix, program-suffix, and program-transform-name, so that
2073 # we can pass down a consistent program-transform-name.
2077 eval "set -- $ac_configure_args"
2080 if test X"$skip_next" = X"yes"; then
2084 if test X"$keep_next" = X"yes"; then
2087 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2089 baseargs="$baseargs '$ac_arg'"
2094 # Handle separated arguments. Based on the logic generated by
2097 *=* | --config-cache | -C | -disable-* | --disable-* \
2098 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2099 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2100 | -with-* | --with-* | -without-* | --without-* | --x)
2126 -program-prefix* | \
2127 -program-suffix* | \
2128 -program-transform-name* )
2129 skip_next=$separate_arg
2133 # An option. Add it.
2136 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2138 baseargs="$baseargs '$ac_arg'"
2139 keep_next=$separate_arg
2142 # Either a variable assignment, or a nonopt (triplet). Don't
2143 # pass it down; let the Makefile handle this.
2148 # Remove the initial space we just introduced and, as these will be
2149 # expanded by make, quote '$'.
2150 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2152 # Add in --program-transform-name, after --program-prefix and
2153 # --program-suffix have been applied to it. Autoconf has already
2154 # doubled dollar signs and backslashes in program_transform_name; we want
2155 # the backslashes un-doubled, and then the entire thing wrapped in single
2156 # quotes, because this will be expanded first by make and then by the shell.
2157 # Also, because we want to override the logic in subdir configure scripts to
2158 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2159 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2160 ${program_transform_name}
2162 gcc_transform_name=`cat conftestsed.out`
2163 rm -f conftestsed.out
2164 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2166 # For the build-side libraries, we just need to pretend we're native,
2167 # and not use the same cache file. Multilibs are neither needed nor
2169 build_configargs="--cache-file=../config.cache ${baseargs}"
2171 # For host modules, accept cache file option, or specification as blank.
2172 case "${cache_file}" in
2174 cache_file_option="" ;;
2175 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2176 cache_file_option="--cache-file=${cache_file}" ;;
2178 cache_file_option="--cache-file=../${cache_file}" ;;
2181 # Host dirs don't like to share a cache file either, horribly enough.
2182 # This seems to be due to autoconf 2.5x stupidity.
2183 host_configargs="--cache-file=./config.cache ${extra_host_args} ${baseargs}"
2185 target_configargs=${baseargs}
2187 # Passing a --with-cross-host argument lets the target libraries know
2188 # whether they are being built with a cross-compiler or being built
2189 # native. However, it would be better to use other mechanisms to make the
2190 # sorts of decisions they want to make on this basis. Please consider
2191 # this option to be deprecated. FIXME.
2192 if test x${is_cross_compiler} = xyes ; then
2193 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2196 # Default to --enable-multilib.
2197 if test x${enable_multilib} = x ; then
2198 target_configargs="--enable-multilib ${target_configargs}"
2201 # Pass --with-newlib if appropriate. Note that target_configdirs has
2202 # changed from the earlier setting of with_newlib.
2203 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2204 target_configargs="--with-newlib ${target_configargs}"
2207 # Different target subdirs use different values of certain variables
2208 # (notably CXX). Worse, multilibs use *lots* of different values.
2209 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2210 # it doesn't automatically accept command-line overrides of them.
2211 # This means it's not safe for target subdirs to share a cache file,
2212 # which is disgusting, but there you have it. Hopefully this can be
2213 # fixed in future. It's still worthwhile to use a cache file for each
2214 # directory. I think.
2216 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2217 # We need to pass --target, as newer autoconf's requires consistency
2218 # for target_alias and gcc doesn't manage it consistently.
2219 target_configargs="--cache-file=./config.cache ${target_configargs}"
2222 case " $target_configdirs " in
2224 case " $target_configargs " in
2225 *" --with-newlib "*)
2228 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/include -isystem $$s/winsup/cygwin/include -isystem $$s/winsup/w32api/include' ;;
2231 # If we're not building GCC, don't discard standard headers.
2232 if test -d ${srcdir}/gcc; then
2233 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2235 if test "${build}" != "${host}"; then
2236 # On Canadian crosses, CC_FOR_TARGET will have already been set
2237 # by `configure', so we won't have an opportunity to add -Bgcc/
2238 # to it. This is right: we don't want to search that directory
2239 # for binaries, but we want the header files in there, so add
2241 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include'
2243 # Someone might think of using the pre-installed headers on
2244 # Canadian crosses, in case the installed compiler is not fully
2245 # compatible with the compiler being built. In this case, it
2246 # would be better to flag an error than risking having
2247 # incompatible object files being constructed. We can't
2248 # guarantee that an error will be flagged, but let's hope the
2249 # compiler will do it, when presented with incompatible header
2254 case "${target}-${is_cross_compiler}" in
2255 i[[3456789]]86-*-linux*-no)
2256 # Here host == target, so we don't need to build gcc,
2257 # so we don't want to discard standard headers.
2258 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2261 # If we're building newlib, use its generic headers last, but search
2262 # for any libc-related directories first (so make it the last -B
2264 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2273 # Can't be handled as Cygwin above since Mingw does not use newlib.
2274 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' ;;
2277 # Allow the user to override the flags for
2278 # our build compiler if desired.
2279 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2281 # On Canadian crosses, we'll be searching the right directories for
2282 # the previously-installed cross compiler, so don't bother to add
2283 # flags for directories within the install tree of the compiler
2284 # being built; programs in there won't even run.
2285 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2286 # Search for pre-installed headers if nothing else fits.
2287 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2290 if test "x${use_gnu_ld}" = x &&
2291 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2292 # Arrange for us to find uninstalled linker scripts.
2293 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
2296 # Search for other target-specific linker scripts and such.
2299 if test -d ${srcdir}/libgloss/m32c; then
2300 # This is for crt0.o
2301 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/m32c'
2302 # This is for r8c.ld
2303 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/m32c'
2304 # This is for libnosys.a
2305 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
2309 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
2313 # Makefile fragments.
2314 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2316 eval fragval=\$$frag
2317 if test $fragval != /dev/null; then
2318 eval $frag=${srcdir}/$fragval
2321 AC_SUBST_FILE(host_makefile_frag)
2322 AC_SUBST_FILE(target_makefile_frag)
2323 AC_SUBST_FILE(alphaieee_frag)
2324 AC_SUBST_FILE(ospace_frag)
2326 # Miscellanea: directories, flags, etc.
2327 AC_SUBST(RPATH_ENVVAR)
2329 AC_SUBST(build_tooldir)
2330 AC_SUBST(CONFIGURE_GDB_TK)
2332 AC_SUBST(INSTALL_GDB_TK)
2334 # Build module lists & subconfigure args.
2335 AC_SUBST(build_configargs)
2336 AC_SUBST(build_configdirs)
2338 # Host module lists & subconfigure args.
2339 AC_SUBST(host_configargs)
2340 AC_SUBST(configdirs)
2342 # Target module lists & subconfigure args.
2343 AC_SUBST(target_configargs)
2347 AC_SUBST(CC_FOR_BUILD)
2348 AC_SUBST(config_shell)
2350 # Generate default definitions for YACC, M4, LEX and other programs that run
2351 # on the build machine. These are used if the Makefile can't locate these
2352 # programs in objdir.
2353 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
2355 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
2356 case " $build_configdirs " in
2357 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
2358 *" byacc "*) YACC='$$r/$(BUILD_SUBDIR)/byacc/byacc' ;;
2361 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
2362 case " $build_configdirs " in
2363 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
2366 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
2367 case " $build_configdirs " in
2368 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
2371 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
2372 case " $build_configdirs " in
2373 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2374 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
2377 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
2378 case " $build_configdirs " in
2379 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2382 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
2383 case " $build_configdirs " in
2384 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
2387 # For an installed makeinfo, we require it to be from texinfo 4.4 or
2388 # higher, else we use the "missing" dummy.
2389 if ${MAKEINFO} --version \
2390 | egrep 'texinfo[^0-9]*([1-3][0-9]|4\.[4-9]|[5-9])' >/dev/null 2>&1; then
2393 MAKEINFO="$MISSING makeinfo"
2399 # FIXME: expect and dejagnu may become build tools?
2401 AC_CHECK_PROGS(EXPECT, expect, expect)
2402 case " $configdirs " in
2404 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
2408 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
2409 case " $configdirs " in
2411 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
2417 NCN_STRICT_CHECK_TOOLS(AR, ar)
2418 NCN_STRICT_CHECK_TOOLS(AS, as)
2419 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
2420 NCN_STRICT_CHECK_TOOLS(LD, ld)
2421 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
2422 NCN_STRICT_CHECK_TOOLS(NM, nm)
2423 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, :)
2424 NCN_STRICT_CHECK_TOOLS(STRIP, strip, :)
2425 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
2426 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
2427 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
2431 AC_SUBST(CFLAGS_FOR_BUILD)
2435 AC_ARG_WITH([build-time-tools],
2436 [ --with-build-time-tools=path
2437 use given path to find target tools during the build],
2438 [case x"$withval" in
2441 with_build_time_tools=
2442 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
2445 [with_build_time_tools=])
2447 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
2448 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
2449 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
2450 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
2451 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
2453 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
2454 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
2455 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
2456 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
2457 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
2458 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
2459 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
2460 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib, :)
2461 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
2462 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
2464 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
2466 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
2467 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
2468 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
2469 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
2470 [gcc/g++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ `test ! -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags || $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
2472 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
2473 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
2475 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
2476 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
2477 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
2478 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
2479 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
2480 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
2481 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
2482 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
2483 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
2484 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
2485 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
2486 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip])
2487 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
2489 AC_SUBST(FLAGS_FOR_TARGET)
2490 AC_SUBST(RAW_CXX_FOR_TARGET)
2492 # Certain tools may need extra flags.
2493 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2494 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2495 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2497 # When building target libraries, except in a Canadian cross, we use
2498 # the same toolchain as the compiler we just built.
2499 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
2500 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
2501 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
2502 if test $host = $build; then
2503 case " $configdirs " in
2505 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
2506 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
2507 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
2512 AC_SUBST(COMPILER_AS_FOR_TARGET)
2513 AC_SUBST(COMPILER_LD_FOR_TARGET)
2514 AC_SUBST(COMPILER_NM_FOR_TARGET)
2516 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2517 AC_ARG_ENABLE(maintainer-mode,
2518 [ --enable-maintainer-mode enable make rules and dependencies not useful
2519 (and sometimes confusing) to the casual installer],
2520 USE_MAINTAINER_MODE=$enableval,
2521 USE_MAINTAINER_MODE=no)
2522 AC_MSG_RESULT($USE_MAINTAINER_MODE)
2523 AC_SUBST(MAINTAINER_MODE_TRUE)
2524 AC_SUBST(MAINTAINER_MODE_FALSE)
2525 if test "$USE_MAINTAINER_MODE" = yes; then
2526 MAINTAINER_MODE_TRUE=
2527 MAINTAINER_MODE_FALSE='#'
2529 MAINTAINER_MODE_TRUE='#'
2530 MAINTAINER_MODE_FALSE=
2532 MAINT=$MAINTAINER_MODE_TRUE
2535 # ---------------------
2536 # GCC bootstrap support
2537 # ---------------------
2539 # Stage specific cflags for build.
2544 yes) stage1_cflags="-g -Wa,-J" ;;
2545 *) stage1_cflags="-g -J" ;;
2549 # This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
2550 if test "$GCC" = yes; then
2551 saved_CFLAGS="$CFLAGS"
2553 # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
2554 CFLAGS="$CFLAGS -fkeep-inline-functions"
2555 AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
2557 [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
2558 [AC_MSG_RESULT([no])])
2560 CFLAGS="$saved_CFLAGS"
2563 AC_SUBST(stage1_cflags)
2565 # Enable --enable-checking in stage1 of the compiler.
2566 AC_ARG_ENABLE(stage1-checking,
2567 [ --enable-stage1-checking[=all] choose additional checking for stage1
2569 [stage1_checking=--enable-checking=${enable_stage1_checking}],
2570 [if test "x$enable_checking" = xno; then
2571 stage1_checking=--enable-checking
2573 stage1_checking=--enable-checking${enable_checking+=}$enable_checking
2575 AC_SUBST(stage1_checking)
2577 # Enable -Werror in bootstrap stage2 and later.
2578 AC_ARG_ENABLE(werror,
2579 [ --enable-werror enable -Werror in bootstrap stage2 and later], [],
2580 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
2585 case ${enable_werror} in
2586 yes) stage2_werror_flag="--enable-werror-always" ;;
2587 *) stage2_werror_flag="" ;;
2589 AC_SUBST(stage2_werror_flag)
2591 # Flags needed to enable html installing and building
2592 AC_ARG_WITH(datarootdir,
2593 [ --with-datarootdir Use datarootdir as the data root directory.],
2594 [datarootdir="\${prefix}/${withval}"],
2595 [datarootdir="\${prefix}/share"])
2598 [ --with-docdir Install documentation in this directory.],
2599 [docdir="\${prefix}/${withval}"],
2600 [docdir="\${datarootdir}/doc"])
2602 AC_ARG_WITH(htmldir,
2603 [ --with-htmldir Install html in this directory.],
2604 [htmldir="\${prefix}/${withval}"],
2605 [htmldir="\${docdir}"])
2607 AC_SUBST(datarootdir)