| blob | 0eac6a4f13e8c81f53037fb97d9a0a0d653754ab |
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 # Free Software Foundation, Inc.
4 #
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.
9 #
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.
14 #
15 # You should have received a copy of the GNU General Public License
16 # along with this program; see the file COPYING3. If not see
17 # <http://www.gnu.org/licenses/>.
19 ##############################################################################
20 ### WARNING: this file contains embedded tabs. Do not run untabify on this file.
22 m4_include(config/acx.m4)
23 m4_include(config/override.m4)
24 m4_include(config/proginstall.m4)
25 m4_include(config/elf.m4)
26 m4_include([libtool.m4])
27 m4_include([ltoptions.m4])
28 m4_include([ltsugar.m4])
29 m4_include([ltversion.m4])
30 m4_include([lt~obsolete.m4])
31 m4_include([config/isl.m4])
32 m4_include([config/cloog.m4])
34 AC_INIT(move-if-change)
35 AC_PREREQ(2.64)
36 AC_DISABLE_OPTION_CHECKING
38 progname=$0
39 # if PWD already has a value, it is probably wrong.
40 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
42 # Export original configure arguments for use by sub-configures.
43 # Quote arguments with shell meta charatcers.
44 TOPLEVEL_CONFIGURE_ARGUMENTS=
45 set -- "$progname" "$@"
46 for ac_arg
47 do
48 case "$ac_arg" in
49 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
50 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
51 # if the argument is of the form -foo=baz, quote the baz part only
52 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
53 *) ;;
54 esac
55 # Add the quoted argument to the list.
56 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
57 done
58 if test "$silent" = yes; then
59 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
60 fi
61 # Remove the initial space we just introduced and, as these will be
62 # expanded by make, quote '$'.
63 TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
64 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
66 # Find the build, host, and target systems.
67 ACX_NONCANONICAL_BUILD
68 ACX_NONCANONICAL_HOST
69 ACX_NONCANONICAL_TARGET
71 dnl Autoconf 2.5x and later will set a default program prefix if
72 dnl --target was used, even if it was the same as --host. Disable
73 dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
74 dnl to take effect.
75 test "$host_noncanonical" = "$target_noncanonical" &&
76 test "$program_prefix$program_suffix$program_transform_name" = \
77 NONENONEs,x,x, &&
78 program_transform_name=s,y,y,
80 AC_CANONICAL_SYSTEM
81 AC_ARG_PROGRAM
83 m4_pattern_allow([^AS_FOR_TARGET$])dnl
84 m4_pattern_allow([^AS_FOR_BUILD$])dnl
86 # Get 'install' or 'install-sh' and its variants.
87 AC_PROG_INSTALL
88 ACX_PROG_LN
89 AC_PROG_LN_S
90 AC_PROG_SED
91 AC_PROG_AWK
93 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
95 # We pass INSTALL explicitly to sub-makes. Make sure that it is not
96 # a relative path.
97 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
98 INSTALL="${srcpwd}/install-sh -c"
99 fi
101 # Set srcdir to "." if that's what it is.
102 # This is important for multilib support.
103 pwd=`${PWDCMD-pwd}`
104 if test "${pwd}" = "${srcpwd}" ; then
105 srcdir=.
106 fi
108 topsrcdir=$srcpwd
110 extra_host_args=
112 ### To add a new directory to the tree, first choose whether it is a target
113 ### or a host dependent tool. Then put it into the appropriate list
114 ### (library or tools, host or target), doing a dependency sort.
116 # Subdirs will be configured in the order listed in build_configdirs,
117 # configdirs, or target_configdirs; see the serialization section below.
119 # Dependency sorting is only needed when *configuration* must be done in
120 # a particular order. In all cases a dependency should be specified in
121 # the Makefile, whether or not it's implicitly specified here.
123 # Double entries in build_configdirs, configdirs, or target_configdirs may
124 # cause circular dependencies and break everything horribly.
126 # these library is used by various programs built for the build
127 # environment
128 #
129 build_libs="build-libiberty"
131 # these tools are built for the build environment
132 build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes"
134 # these libraries are used by various programs built for the host environment
135 #
136 host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp libdecnumber gmp mpfr mpc isl cloog libelf libiconv"
138 # these tools are built for the host environment
139 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
140 # know that we are building the simulator.
141 # binutils, gas and ld appear in that order because it makes sense to run
142 # "make check" in that particular order.
143 # If --enable-gold is used, "gold" may replace "ld".
144 host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gprof etc expect dejagnu m4 utils guile fastjar gnattools"
146 # libgcj represents the runtime libraries only used by gcj.
147 libgcj="target-libffi \
148 target-zlib \
149 target-libjava"
151 # these libraries are built for the target environment, and are built after
152 # the host libraries and the host tools (which may be a cross compiler)
153 # Note that libiberty is not a target library.
154 target_libraries="target-libgcc \
155 target-libgloss \
156 target-newlib \
157 target-libgomp \
158 target-libatomic \
159 target-libitm \
160 target-libstdc++-v3 \
161 target-libmudflap \
162 target-libssp \
163 target-libquadmath \
164 target-libgfortran \
165 target-boehm-gc \
166 ${libgcj} \
167 target-libobjc \
168 target-libada \
169 target-libgo"
171 # these tools are built using the target libraries, and are intended to
172 # run only in the target environment
173 #
174 # note: any program that *uses* libraries that are in the "target_libraries"
175 # list belongs in this list.
176 #
177 target_tools="target-rda"
179 ################################################################################
181 ## All tools belong in one of the four categories, and are assigned above
182 ## We assign ${configdirs} this way to remove all embedded newlines. This
183 ## is important because configure will choke if they ever get through.
184 ## ${configdirs} is directories we build using the host tools.
185 ## ${target_configdirs} is directories we build using the target tools.
186 configdirs=`echo ${host_libs} ${host_tools}`
187 target_configdirs=`echo ${target_libraries} ${target_tools}`
188 build_configdirs=`echo ${build_libs} ${build_tools}`
190 m4_divert_text([PARSE_ARGS],
191 [case $srcdir in
192 *" "*)
193 m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
194 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
195 m4_popdef([AS_MESSAGE_LOG_FD])dnl
196 ;;
197 esac
198 ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
199 ])
201 ################################################################################
203 srcname="gnu development package"
205 # This gets set non-empty for some net releases of packages.
206 appdirs=""
208 # Define is_cross_compiler to save on calls to 'test'.
209 is_cross_compiler=
210 if test x"${host}" = x"${target}" ; then
211 is_cross_compiler=no
212 else
213 is_cross_compiler=yes
214 fi
216 # Find the build and target subdir names.
217 GCC_TOPLEV_SUBDIRS
218 # Be sure to cover against remnants of an in-tree build.
219 if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
220 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
221 Use a pristine source tree when building in a separate tree])
222 fi
224 # Skipdirs are removed silently.
225 skipdirs=
226 # Noconfigdirs are removed loudly.
227 noconfigdirs=""
229 use_gnu_ld=
230 # Make sure we don't let GNU ld be added if we didn't want it.
231 if test x$with_gnu_ld = xno ; then
232 use_gnu_ld=no
233 noconfigdirs="$noconfigdirs ld gold"
234 fi
236 use_gnu_as=
237 # Make sure we don't let GNU as be added if we didn't want it.
238 if test x$with_gnu_as = xno ; then
239 use_gnu_as=no
240 noconfigdirs="$noconfigdirs gas"
241 fi
243 use_included_zlib=
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
246 use_included_zlib=no
247 noconfigdirs="$noconfigdirs zlib"
248 fi
250 # some tools are so dependent upon X11 that if we're not building with X,
251 # it's not even worth trying to configure, much less build, that tool.
253 case ${with_x} in
254 yes | "") ;; # the default value for this tree is that X11 is available
255 no)
256 skipdirs="${skipdirs} tk itcl libgui"
257 # We won't be able to build gdbtk without X.
258 enable_gdbtk=no
259 ;;
260 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
261 esac
263 # Some are only suitable for cross toolchains.
264 # Remove these if host=target.
265 cross_only="target-libgloss target-newlib target-opcodes"
267 case $is_cross_compiler in
268 no) skipdirs="${skipdirs} ${cross_only}" ;;
269 esac
271 # If both --with-headers and --with-libs are specified, default to
272 # --without-newlib.
273 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
274 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
275 if test x"${with_newlib}" = x ; then
276 with_newlib=no
277 fi
278 fi
280 # Recognize --with-newlib/--without-newlib.
281 case ${with_newlib} in
282 no) skipdirs="${skipdirs} target-newlib" ;;
283 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
284 esac
286 # Handle --enable-gold, --enable-ld.
287 # --disable-gold [--enable-ld]
288 # Build only ld. Default option.
289 # --enable-gold [--enable-ld]
290 # Build both gold and ld. Install gold as "ld.gold", install ld
291 # as "ld.bfd" and "ld".
292 # --enable-gold=default [--enable-ld]
293 # Build both gold and ld. Install gold as "ld.gold" and "ld",
294 # install ld as "ld.bfd".
295 # --enable-gold[=default] --disable-ld
296 # Build only gold, which is then installed as both "ld.gold" and "ld".
297 # --enable-gold --enable-ld=default
298 # Build both gold (installed as "ld.gold") and ld (installed as "ld"
299 # and ld.bfd).
300 # In other words, ld is default
301 # --enable-gold=default --enable-ld=default
302 # Error.
304 default_ld=
305 AC_ARG_ENABLE(gold,
306 [AS_HELP_STRING([[--enable-gold[=ARG]]],
307 [build gold @<:@ARG={default,yes,no}@:>@])],
308 ENABLE_GOLD=$enableval,
309 ENABLE_GOLD=no)
310 case "${ENABLE_GOLD}" in
311 yes|default)
312 # Check for ELF target.
313 is_elf=no
314 case "${target}" in
315 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
316 | *-*-linux* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
317 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
318 | *-*-solaris2* | *-*-nto*)
319 case "${target}" in
320 *-*-linux*aout* | *-*-linux*oldld*)
321 ;;
322 *)
323 is_elf=yes
324 ;;
325 esac
326 esac
328 if test "$is_elf" = "yes"; then
329 # Check for target supported by gold.
330 case "${target}" in
331 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-*)
332 configdirs="$configdirs gold"
333 if test x${ENABLE_GOLD} = xdefault; then
334 default_ld=gold
335 fi
336 ENABLE_GOLD=yes
337 ;;
338 esac
339 fi
340 ;;
341 no)
342 ;;
343 *)
344 AC_MSG_ERROR([invalid --enable-gold argument])
345 ;;
346 esac
348 AC_ARG_ENABLE(ld,
349 [AS_HELP_STRING([[--enable-ld[=ARG]]],
350 [build ld @<:@ARG={default,yes,no}@:>@])],
351 ENABLE_LD=$enableval,
352 ENABLE_LD=yes)
354 case "${ENABLE_LD}" in
355 default)
356 if test x${default_ld} != x; then
357 AC_MSG_ERROR([either gold or ld can be the default ld])
358 fi
359 ;;
360 yes)
361 ;;
362 no)
363 if test x${ENABLE_GOLD} != xyes; then
364 AC_MSG_WARN([neither ld nor gold are enabled])
365 fi
366 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
367 ;;
368 *)
369 AC_MSG_ERROR([invalid --enable-ld argument])
370 ;;
371 esac
373 # Configure extra directories which are host specific
375 case "${host}" in
376 *-cygwin*)
377 configdirs="$configdirs libtermcap" ;;
378 esac
380 # A target can indicate whether a language isn't supported for some reason.
381 # Only spaces may be used in this macro; not newlines or tabs.
382 unsupported_languages=
384 # Remove more programs from consideration, based on the host or
385 # target this usually means that a port of the program doesn't
386 # exist yet.
388 case "${host}" in
389 i[[3456789]]86-*-msdosdjgpp*)
390 noconfigdirs="$noconfigdirs tcl tk itcl"
391 ;;
392 esac
395 AC_ARG_ENABLE(libquadmath,
396 AS_HELP_STRING([--disable-libquadmath],
397 [do not build libquadmath directory]),
398 ENABLE_LIBQUADMATH=$enableval,
399 ENABLE_LIBQUADMATH=yes)
400 if test "${ENABLE_LIBQUADMATH}" = "no" ; then
401 noconfigdirs="$noconfigdirs target-libquadmath"
402 fi
405 AC_ARG_ENABLE(libquadmath-support,
406 AS_HELP_STRING([--disable-libquadmath-support],
407 [disable libquadmath support for Fortran]),
408 ENABLE_LIBQUADMATH_SUPPORT=$enableval,
409 ENABLE_LIBQUADMATH_SUPPORT=yes)
410 enable_libquadmath_support=
411 if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
412 enable_libquadmath_support=no
413 fi
416 AC_ARG_ENABLE(libada,
417 [AS_HELP_STRING([--enable-libada], [build libada directory])],
418 ENABLE_LIBADA=$enableval,
419 ENABLE_LIBADA=yes)
420 if test "${ENABLE_LIBADA}" != "yes" ; then
421 noconfigdirs="$noconfigdirs gnattools"
422 fi
424 AC_ARG_ENABLE(libssp,
425 [AS_HELP_STRING([--enable-libssp], [build libssp directory])],
426 ENABLE_LIBSSP=$enableval,
427 ENABLE_LIBSSP=yes)
429 # Save it here so that, even in case of --enable-libgcj, if the Java
430 # front-end isn't enabled, we still get libgcj disabled.
431 libgcj_saved=$libgcj
432 case $enable_libgcj in
433 yes)
434 # If we reset it here, it won't get added to noconfigdirs in the
435 # target-specific build rules, so it will be forcibly enabled
436 # (unless the Java language itself isn't enabled).
437 libgcj=
438 ;;
439 no)
440 # Make sure we get it printed in the list of not supported target libs.
441 # Don't disable libffi, though, other languages use it.
442 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
443 # Clear libgcj_saved so that even if java is enabled libffi won't be
444 # built.
445 libgcj_saved=
446 ;;
447 esac
449 AC_ARG_ENABLE(static-libjava,
450 [AS_HELP_STRING([[--enable-static-libjava[=ARG]]],
451 [build static libjava @<:@default=no@:>@])],
452 ENABLE_STATIC_LIBJAVA=$enableval,
453 ENABLE_STATIC_LIBJAVA=no)
454 enable_static_libjava=
455 if test "${ENABLE_STATIC_LIBJAVA}" = "yes" ; then
456 enable_static_libjava=yes
457 fi
459 if test x$enable_static_libjava != xyes ; then
460 EXTRA_CONFIGARGS_LIBJAVA=--disable-static
461 fi
462 AC_SUBST(EXTRA_CONFIGARGS_LIBJAVA)
464 # Disable libmudflap on some systems.
465 if test x$enable_libmudflap = x ; then
466 case "${target}" in
467 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu)
468 # Enable libmudflap by default in GNU and friends.
469 ;;
470 *-*-freebsd*)
471 # Enable libmudflap by default in FreeBSD.
472 ;;
473 *)
474 # Disable it by default everywhere else.
475 noconfigdirs="$noconfigdirs target-libmudflap"
476 ;;
477 esac
478 fi
480 # Disable libgomp on non POSIX hosted systems.
481 if test x$enable_libgomp = x ; then
482 # Enable libgomp by default on hosted POSIX systems.
483 case "${target}" in
484 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
485 ;;
486 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
487 ;;
488 *-*-solaris2* | *-*-hpux11*)
489 ;;
490 *-*-darwin* | *-*-aix*)
491 ;;
492 *)
493 noconfigdirs="$noconfigdirs target-libgomp"
494 ;;
495 esac
496 fi
498 # Disable libatomic on unsupported systems.
499 if test -d ${srcdir}/libatomic; then
500 if test x$enable_libatomic = x; then
501 AC_MSG_CHECKING([for libatomic support])
502 if (srcdir=${srcdir}/libatomic; \
503 . ${srcdir}/configure.tgt; \
504 test -n "$UNSUPPORTED")
505 then
506 AC_MSG_RESULT([no])
507 noconfigdirs="$noconfigdirs target-libatomic"
508 else
509 AC_MSG_RESULT([yes])
510 fi
511 fi
512 fi
514 # Disable libitm on unsupported systems.
515 if test -d ${srcdir}/libitm; then
516 if test x$enable_libitm = x; then
517 AC_MSG_CHECKING([for libitm support])
518 if (srcdir=${srcdir}/libitm; \
519 . ${srcdir}/configure.tgt; \
520 test -n "$UNSUPPORTED")
521 then
522 AC_MSG_RESULT([no])
523 noconfigdirs="$noconfigdirs target-libitm"
524 else
525 AC_MSG_RESULT([yes])
526 fi
527 fi
528 fi
530 # Disable libquadmath for some systems.
531 case "${target}" in
532 # libquadmath is unused on AIX and libquadmath build process use of
533 # LD_LIBRARY_PATH can break AIX bootstrap.
534 powerpc-*-aix* | rs6000-*-aix*)
535 noconfigdirs="$noconfigdirs target-libquadmath"
536 ;;
537 esac
539 # Disable libssp for some systems.
540 case "${target}" in
541 avr-*-*)
542 # No hosted I/O support.
543 noconfigdirs="$noconfigdirs target-libssp"
544 ;;
545 powerpc-*-aix* | rs6000-*-aix*)
546 noconfigdirs="$noconfigdirs target-libssp"
547 ;;
548 rl78-*-*)
549 # libssp uses a misaligned load to trigger a fault, but the RL78
550 # doesn't fault for those - instead, it gives a build-time error
551 # for explicit misaligned loads.
552 noconfigdirs="$noconfigdirs target-libssp"
553 ;;
554 esac
556 # Disable libquadmath for some systems.
557 case "${target}" in
558 avr-*-*)
559 noconfigdirs="$noconfigdirs target-libquadmath"
560 ;;
561 esac
563 # Disable libstdc++-v3 for some systems.
564 case "${target}" in
565 *-*-vxworks*)
566 # VxWorks uses the Dinkumware C++ library.
567 noconfigdirs="$noconfigdirs target-libstdc++-v3"
568 ;;
569 arm*-wince-pe*)
570 # the C++ libraries don't build on top of CE's C libraries
571 noconfigdirs="$noconfigdirs target-libstdc++-v3"
572 ;;
573 avr-*-*)
574 noconfigdirs="$noconfigdirs target-libstdc++-v3"
575 ;;
576 esac
578 # Disable Fortran for some systems.
579 case "${target}" in
580 mmix-*-*)
581 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
582 unsupported_languages="$unsupported_languages fortran"
583 ;;
584 esac
586 # Disable Java if libffi is not supported.
587 case "${target}" in
588 alpha*-*-*)
589 ;;
590 arm*-*-*)
591 ;;
592 cris-*-*)
593 ;;
594 frv-*-*)
595 ;;
596 hppa*-*-linux*)
597 ;;
598 hppa*-*-hpux*)
599 ;;
600 i?86-*-*)
601 ;;
602 ia64*-*-*)
603 ;;
604 m32r*-*-*)
605 ;;
606 m68k-*-*)
607 ;;
608 mips*-*-rtems*)
609 ;;
610 mips*-*-linux*)
611 ;;
612 powerpc*-*-linux*)
613 ;;
614 powerpc-*-darwin*)
615 ;;
616 powerpc-*-aix* | rs6000-*-aix*)
617 ;;
618 powerpc-*-freebsd*)
619 ;;
620 powerpc64-*-freebsd*)
621 ;;
622 powerpc*-*-rtems*)
623 ;;
624 s390-*-* | s390x-*-*)
625 ;;
626 sh-*-* | sh[[34]]*-*-*)
627 ;;
628 sh64-*-* | sh5*-*-*)
629 ;;
630 sparc*-*-*)
631 ;;
632 x86_64-*-*)
633 ;;
634 *-*-*)
635 unsupported_languages="$unsupported_languages java"
636 ;;
637 esac
639 # Disable Java, libgcj or related libraries for some systems.
640 case "${target}" in
641 powerpc-*-darwin*)
642 ;;
643 i[[3456789]]86-*-darwin*)
644 ;;
645 x86_64-*-darwin[[912]]*)
646 ;;
647 *-*-darwin*)
648 noconfigdirs="$noconfigdirs ${libgcj}"
649 ;;
650 *-*-netware*)
651 noconfigdirs="$noconfigdirs ${libgcj}"
652 ;;
653 *-*-rtems*)
654 noconfigdirs="$noconfigdirs ${libgcj}"
655 ;;
656 *-*-tpf*)
657 noconfigdirs="$noconfigdirs ${libgcj}"
658 ;;
659 *-*-uclinux*)
660 noconfigdirs="$noconfigdirs ${libgcj}"
661 ;;
662 *-*-vxworks*)
663 noconfigdirs="$noconfigdirs ${libgcj}"
664 ;;
665 alpha*-*-*vms*)
666 noconfigdirs="$noconfigdirs ${libgcj}"
667 ;;
668 arm-wince-pe)
669 noconfigdirs="$noconfigdirs ${libgcj}"
670 ;;
671 arm*-*-symbianelf*)
672 noconfigdirs="$noconfigdirs ${libgcj}"
673 ;;
674 bfin-*-*)
675 noconfigdirs="$noconfigdirs target-boehm-gc"
676 ;;
677 cris-*-* | crisv32-*-*)
678 unsupported_languages="$unsupported_languages java"
679 case "${target}" in
680 *-*-linux*)
681 ;;
682 *) # See PR46792 regarding target-libffi.
683 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
684 esac
685 ;;
686 hppa*64*-*-linux*)
687 # In this case, it's because the hppa64-linux target is for
688 # the kernel only at this point and has no libc, and thus no
689 # headers, crt*.o, etc., all of which are needed by these.
690 unsupported_languages="$unsupported_languages java"
691 ;;
692 hppa*64*-*-hpux*)
693 noconfigdirs="$noconfigdirs ${libgcj}"
694 ;;
695 hppa*-hp-hpux11*)
696 ;;
697 hppa*-*-hpux*)
698 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
699 # build on HP-UX 10.20.
700 noconfigdirs="$noconfigdirs ${libgcj}"
701 ;;
702 ia64*-*-*vms*)
703 noconfigdirs="$noconfigdirs ${libgcj}"
704 ;;
705 i[[3456789]]86-w64-mingw*)
706 noconfigdirs="$noconfigdirs ${libgcj}"
707 ;;
708 i[[3456789]]86-*-mingw*)
709 noconfigdirs="$noconfigdirs ${libgcj}"
710 ;;
711 x86_64-*-mingw*)
712 noconfigdirs="$noconfigdirs ${libgcj}"
713 ;;
714 mmix-*-*)
715 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc"
716 ;;
717 powerpc-*-aix*)
718 # copied from rs6000-*-* entry
719 noconfigdirs="$noconfigdirs ${libgcj}"
720 ;;
721 rs6000-*-aix*)
722 noconfigdirs="$noconfigdirs ${libgcj}"
723 ;;
724 *-*-lynxos*)
725 noconfigdirs="$noconfigdirs ${libgcj}"
726 ;;
727 esac
729 # Default libgloss CPU subdirectory.
730 libgloss_dir="$target_cpu"
732 case "${target}" in
733 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
734 libgloss_dir=wince
735 ;;
736 arm*-*-*)
737 libgloss_dir=arm
738 ;;
739 cris-*-* | crisv32-*-*)
740 libgloss_dir=cris
741 ;;
742 hppa*-*-*)
743 libgloss_dir=pa
744 ;;
745 i[[3456789]]86-*-*)
746 libgloss_dir=i386
747 ;;
748 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
749 libgloss_dir=m68hc11
750 ;;
751 m68*-*-* | fido-*-*)
752 libgloss_dir=m68k
753 ;;
754 mips*-*-*)
755 libgloss_dir=mips
756 ;;
757 powerpc*-*-*)
758 libgloss_dir=rs6000
759 ;;
760 sparc*-*-*)
761 libgloss_dir=sparc
762 ;;
763 esac
765 # Disable newlib and libgloss for various target OSes.
766 case "${target}" in
767 alpha*-dec-osf*)
768 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
769 ;;
770 i[[3456789]]86-*-linux*)
771 # This section makes it possible to build newlib natively on linux.
772 # If we are using a cross compiler then don't configure newlib.
773 if test x${is_cross_compiler} != xno ; then
774 noconfigdirs="$noconfigdirs target-newlib"
775 fi
776 noconfigdirs="$noconfigdirs target-libgloss"
777 # If we are not using a cross compiler, do configure newlib.
778 # Note however, that newlib will only be configured in this situation
779 # if the --with-newlib option has been given, because otherwise
780 # 'target-newlib' will appear in skipdirs.
781 ;;
782 i[[3456789]]86-*-rdos*)
783 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
784 ;;
785 sh*-*-pe|mips*-*-pe|arm-wince-pe)
786 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
787 ;;
788 sparc-*-sunos4*)
789 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
790 ;;
791 *-*-aix*)
792 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
793 ;;
794 *-*-beos*)
795 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
796 ;;
797 *-*-chorusos)
798 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
799 ;;
800 *-*-dragonfly*)
801 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
802 ;;
803 *-*-freebsd*)
804 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
805 ;;
806 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
807 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
808 ;;
809 *-*-lynxos*)
810 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
811 ;;
812 *-*-mingw*)
813 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
814 ;;
815 *-*-netbsd*)
816 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
817 ;;
818 *-*-netware*)
819 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
820 ;;
821 *-*-tpf*)
822 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
823 ;;
824 *-*-uclinux*)
825 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
826 ;;
827 *-*-vxworks*)
828 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
829 ;;
830 esac
832 case "${target}" in
833 *-*-chorusos)
834 ;;
835 powerpc-*-darwin*)
836 noconfigdirs="$noconfigdirs ld gas gdb gprof"
837 noconfigdirs="$noconfigdirs sim target-rda"
838 ;;
839 i[[3456789]]86-*-darwin*)
840 noconfigdirs="$noconfigdirs ld gprof"
841 noconfigdirs="$noconfigdirs sim target-rda"
842 ;;
843 x86_64-*-darwin[[912]]*)
844 noconfigdirs="$noconfigdirs ld gas gprof"
845 noconfigdirs="$noconfigdirs sim target-rda"
846 ;;
847 *-*-darwin*)
848 noconfigdirs="$noconfigdirs ld gas gdb gprof"
849 noconfigdirs="$noconfigdirs sim target-rda"
850 ;;
851 *-*-dragonfly*)
852 ;;
853 *-*-freebsd*)
854 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
855 && test -f /usr/local/include/gmp.h; then
856 with_gmp=/usr/local
857 fi
858 ;;
859 *-*-kaos*)
860 # Remove unsupported stuff on all kaOS configurations.
861 noconfigdirs="$noconfigdirs target-libgloss"
862 ;;
863 *-*-netbsd*)
864 ;;
865 *-*-netware*)
866 ;;
867 *-*-rtems*)
868 noconfigdirs="$noconfigdirs target-libgloss"
869 ;;
870 # The tpf target doesn't support gdb yet.
871 *-*-tpf*)
872 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
873 ;;
874 *-*-uclinux*)
875 noconfigdirs="$noconfigdirs target-rda"
876 ;;
877 *-*-vxworks*)
878 ;;
879 alpha*-dec-osf*)
880 # ld works, but does not support shared libraries.
881 # gas doesn't generate exception information.
882 noconfigdirs="$noconfigdirs gas ld"
883 ;;
884 alpha*-*-*vms*)
885 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
886 ;;
887 alpha*-*-*)
888 # newlib is not 64 bit ready
889 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
890 ;;
891 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
892 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
893 ;;
894 arc-*-*)
895 noconfigdirs="$noconfigdirs target-libgloss"
896 ;;
897 arm-*-pe*)
898 noconfigdirs="$noconfigdirs target-libgloss"
899 ;;
900 arm-*-riscix*)
901 noconfigdirs="$noconfigdirs ld target-libgloss"
902 ;;
903 avr-*-rtems*)
904 ;;
905 avr-*-*)
906 if test x${with_avrlibc} != xno; then
907 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
908 fi
909 ;;
910 c4x-*-* | tic4x-*-*)
911 noconfigdirs="$noconfigdirs target-libgloss"
912 ;;
913 tic54x-*-*)
914 noconfigdirs="$noconfigdirs target-libgloss gdb"
915 ;;
916 d10v-*-*)
917 noconfigdirs="$noconfigdirs target-libgloss"
918 ;;
919 d30v-*-*)
920 noconfigdirs="$noconfigdirs gdb"
921 ;;
922 fr30-*-elf*)
923 noconfigdirs="$noconfigdirs gdb"
924 ;;
925 moxie-*-*)
926 noconfigdirs="$noconfigdirs gprof"
927 ;;
928 h8300*-*-*)
929 noconfigdirs="$noconfigdirs target-libgloss"
930 ;;
931 h8500-*-*)
932 noconfigdirs="$noconfigdirs target-libgloss"
933 ;;
934 hppa1.1-*-osf* | hppa1.1-*-bsd* )
935 ;;
936 hppa*64*-*-linux*)
937 ;;
938 hppa*-*-linux*)
939 ;;
940 hppa*-*-*elf* | \
941 hppa*-*-lites* | \
942 hppa*-*-openbsd* | \
943 hppa*64*-*-*)
944 ;;
945 hppa*-hp-hpux11*)
946 noconfigdirs="$noconfigdirs ld"
947 ;;
948 hppa*-*-pro*)
949 ;;
950 hppa*-*-*)
951 noconfigdirs="$noconfigdirs ld"
952 ;;
953 i960-*-*)
954 noconfigdirs="$noconfigdirs gdb"
955 ;;
956 ia64*-*-elf*)
957 # No gdb support yet.
958 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
959 ;;
960 ia64*-**-hpux*)
961 # No ld support yet.
962 noconfigdirs="$noconfigdirs libgui itcl ld"
963 ;;
964 ia64*-*-*vms*)
965 # No ld support yet.
966 noconfigdirs="$noconfigdirs libgui itcl ld"
967 ;;
968 i[[3456789]]86-w64-mingw*)
969 ;;
970 i[[3456789]]86-*-mingw*)
971 target_configdirs="$target_configdirs target-winsup"
972 ;;
973 *-*-cygwin*)
974 target_configdirs="$target_configdirs target-libtermcap target-winsup"
975 noconfigdirs="$noconfigdirs target-libgloss"
976 # always build newlib if winsup directory is present.
977 if test -d "$srcdir/winsup/cygwin"; then
978 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
979 elif test -d "$srcdir/newlib"; then
980 echo "Warning: winsup/cygwin is missing so newlib can't be built."
981 fi
982 ;;
983 i[[3456789]]86-*-pe)
984 noconfigdirs="$noconfigdirs target-libgloss"
985 ;;
986 i[[3456789]]86-*-sco3.2v5*)
987 # The linker does not yet know about weak symbols in COFF,
988 # and is not configured to handle mixed ELF and COFF.
989 noconfigdirs="$noconfigdirs ld target-libgloss"
990 ;;
991 i[[3456789]]86-*-sco*)
992 noconfigdirs="$noconfigdirs gprof target-libgloss"
993 ;;
994 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
995 noconfigdirs="$noconfigdirs target-libgloss"
996 ;;
997 i[[3456789]]86-*-sysv4*)
998 noconfigdirs="$noconfigdirs target-libgloss"
999 ;;
1000 i[[3456789]]86-*-beos*)
1001 noconfigdirs="$noconfigdirs gdb"
1002 ;;
1003 i[[3456789]]86-*-rdos*)
1004 noconfigdirs="$noconfigdirs gdb"
1005 ;;
1006 mmix-*-*)
1007 noconfigdirs="$noconfigdirs gdb"
1008 ;;
1009 mt-*-*)
1010 noconfigdirs="$noconfigdirs sim"
1011 ;;
1012 powerpc-*-aix*)
1013 # copied from rs6000-*-* entry
1014 noconfigdirs="$noconfigdirs gprof"
1015 ;;
1016 powerpc*-*-winnt* | powerpc*-*-pe*)
1017 target_configdirs="$target_configdirs target-winsup"
1018 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
1019 # always build newlib.
1020 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
1021 ;;
1022 # This is temporary until we can link against shared libraries
1023 powerpcle-*-solaris*)
1024 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
1025 ;;
1026 powerpc-*-beos*)
1027 noconfigdirs="$noconfigdirs gdb"
1028 ;;
1029 rs6000-*-lynxos*)
1030 noconfigdirs="$noconfigdirs gprof"
1031 ;;
1032 rs6000-*-aix*)
1033 noconfigdirs="$noconfigdirs gprof"
1034 ;;
1035 rs6000-*-*)
1036 noconfigdirs="$noconfigdirs gprof"
1037 ;;
1038 m68k-apollo-*)
1039 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
1040 ;;
1041 microblaze*)
1042 noconfigdirs="$noconfigdirs gprof"
1043 ;;
1044 mips*-sde-elf*)
1045 if test x$with_newlib = xyes; then
1046 noconfigdirs="$noconfigdirs gprof"
1047 fi
1048 ;;
1049 mips*-*-irix5*)
1050 noconfigdirs="$noconfigdirs gprof target-libgloss"
1051 ;;
1052 mips*-*-irix6*)
1053 noconfigdirs="$noconfigdirs gprof target-libgloss"
1054 ;;
1055 mips*-*-bsd*)
1056 noconfigdirs="$noconfigdirs gprof target-libgloss"
1057 ;;
1058 mips*-*-linux*)
1059 ;;
1060 mips*-*-*)
1061 noconfigdirs="$noconfigdirs gprof"
1062 ;;
1063 sh-*-* | sh64-*-*)
1064 case "${target}" in
1065 sh*-*-elf)
1066 ;;
1067 *)
1068 noconfigdirs="$noconfigdirs target-libgloss" ;;
1069 esac
1070 ;;
1071 sparc-*-sunos4*)
1072 if test x${is_cross_compiler} = xno ; then
1073 use_gnu_ld=no
1074 fi
1075 ;;
1076 tic6x-*-*)
1077 noconfigdirs="$noconfigdirs sim"
1078 ;;
1079 tilepro-*-* | tilegx-*-*)
1080 noconfigdirs="$noconfigdirs sim"
1081 ;;
1082 v810-*-*)
1083 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
1084 ;;
1085 vax-*-*)
1086 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1087 ;;
1088 esac
1090 # If we aren't building newlib, then don't build libgloss, since libgloss
1091 # depends upon some newlib header files.
1092 case "${noconfigdirs}" in
1093 *target-libgloss*) ;;
1094 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
1095 esac
1097 # Work in distributions that contain no compiler tools, like Autoconf.
1098 host_makefile_frag=/dev/null
1099 if test -d ${srcdir}/config ; then
1100 case "${host}" in
1101 i[[3456789]]86-*-msdosdjgpp*)
1102 host_makefile_frag="config/mh-djgpp"
1103 ;;
1104 *-cygwin*)
1105 ACX_CHECK_CYGWIN_CAT_WORKS
1106 host_makefile_frag="config/mh-cygwin"
1107 ;;
1108 *-mingw*)
1109 host_makefile_frag="config/mh-mingw"
1110 ;;
1111 hppa*-hp-hpux10*)
1112 host_makefile_frag="config/mh-pa-hpux10"
1113 ;;
1114 hppa*-hp-hpux*)
1115 host_makefile_frag="config/mh-pa"
1116 ;;
1117 hppa*-*)
1118 host_makefile_frag="config/mh-pa"
1119 ;;
1120 *-*-darwin*)
1121 host_makefile_frag="config/mh-darwin"
1122 ;;
1123 powerpc-*-aix*)
1124 host_makefile_frag="config/mh-ppc-aix"
1125 ;;
1126 rs6000-*-aix*)
1127 host_makefile_frag="config/mh-ppc-aix"
1128 ;;
1129 esac
1130 fi
1132 if test "${build}" != "${host}" ; then
1133 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1134 AS_FOR_BUILD=${AS_FOR_BUILD-as}
1135 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1136 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1137 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1138 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
1139 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
1140 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1141 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1142 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1143 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1144 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1145 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
1146 else
1147 AR_FOR_BUILD="\$(AR)"
1148 AS_FOR_BUILD="\$(AS)"
1149 CC_FOR_BUILD="\$(CC)"
1150 CXX_FOR_BUILD="\$(CXX)"
1151 GCJ_FOR_BUILD="\$(GCJ)"
1152 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
1153 GOC_FOR_BUILD="\$(GOC)"
1154 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1155 LD_FOR_BUILD="\$(LD)"
1156 NM_FOR_BUILD="\$(NM)"
1157 RANLIB_FOR_BUILD="\$(RANLIB)"
1158 WINDRES_FOR_BUILD="\$(WINDRES)"
1159 WINDMC_FOR_BUILD="\$(WINDMC)"
1160 fi
1162 AC_PROG_CC
1163 AC_PROG_CXX
1165 # We must set the default linker to the linker used by gcc for the correct
1166 # operation of libtool. If LD is not defined and we are using gcc, try to
1167 # set the LD default to the ld used by gcc.
1168 if test -z "$LD"; then
1169 if test "$GCC" = yes; then
1170 case $build in
1171 *-*-mingw*)
1172 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1173 *)
1174 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1175 esac
1176 case $gcc_prog_ld in
1177 # Accept absolute paths.
1178 [[\\/]* | [A-Za-z]:[\\/]*)]
1179 LD="$gcc_prog_ld" ;;
1180 esac
1181 fi
1182 fi
1184 ACX_PROG_GNAT
1185 ACX_PROG_CMP_IGNORE_INITIAL
1187 AC_ARG_ENABLE([bootstrap],
1188 [AS_HELP_STRING([--enable-bootstrap],
1189 [enable bootstrapping @<:@yes if native build@:>@])],,
1190 enable_bootstrap=default)
1192 # Issue errors and warnings for invalid/strange bootstrap combinations.
1193 if test -r $srcdir/gcc/configure; then
1194 have_compiler=yes
1195 else
1196 have_compiler=no
1197 fi
1199 case "$have_compiler:$host:$target:$enable_bootstrap" in
1200 *:*:*:no) ;;
1202 # Default behavior. Enable bootstrap if we have a compiler
1203 # and we are in a native configuration.
1204 yes:$build:$build:default)
1205 enable_bootstrap=yes ;;
1207 *:*:*:default)
1208 enable_bootstrap=no ;;
1210 # We have a compiler and we are in a native configuration, bootstrap is ok
1211 yes:$build:$build:yes)
1212 ;;
1214 # Other configurations, but we have a compiler. Assume the user knows
1215 # what he's doing.
1216 yes:*:*:yes)
1217 AC_MSG_WARN([trying to bootstrap a cross compiler])
1218 ;;
1220 # No compiler: if they passed --enable-bootstrap explicitly, fail
1221 no:*:*:yes)
1222 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1224 # Fail if wrong command line
1225 *)
1226 AC_MSG_ERROR([invalid option for --enable-bootstrap])
1227 ;;
1228 esac
1230 # Used for setting $lt_cv_objdir
1231 _LT_CHECK_OBJDIR
1233 # Check for GMP, MPFR and MPC
1234 gmplibs="-lmpc -lmpfr -lgmp"
1235 gmpinc=
1236 have_gmp=no
1238 # Specify a location for mpc
1239 # check for this first so it ends up on the link line before mpfr.
1240 AC_ARG_WITH(mpc,
1241 [AS_HELP_STRING([--with-mpc=PATH],
1242 [specify prefix directory for installed MPC package.
1243 Equivalent to --with-mpc-include=PATH/include
1244 plus --with-mpc-lib=PATH/lib])])
1245 AC_ARG_WITH(mpc-include,
1246 [AS_HELP_STRING([--with-mpc-include=PATH],
1247 [specify directory for installed MPC include files])])
1248 AC_ARG_WITH(mpc-lib,
1249 [AS_HELP_STRING([--with-mpc-lib=PATH],
1250 [specify directory for the installed MPC library])])
1252 if test "x$with_mpc" != x; then
1253 gmplibs="-L$with_mpc/lib $gmplibs"
1254 gmpinc="-I$with_mpc/include $gmpinc"
1255 fi
1256 if test "x$with_mpc_include" != x; then
1257 gmpinc="-I$with_mpc_include $gmpinc"
1258 fi
1259 if test "x$with_mpc_lib" != x; then
1260 gmplibs="-L$with_mpc_lib $gmplibs"
1261 fi
1262 if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
1263 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
1264 gmpinc='-I$$s/mpc/src '"$gmpinc"
1265 # Do not test the mpc version. Assume that it is sufficient, since
1266 # it is in the source tree, and the library has not been built yet
1267 # but it would be included on the link line in the version check below
1268 # hence making the test fail.
1269 have_gmp=yes
1270 fi
1272 # Specify a location for mpfr
1273 # check for this first so it ends up on the link line before gmp.
1274 AC_ARG_WITH(mpfr-dir,
1275 [AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1276 [AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1277 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1279 AC_ARG_WITH(mpfr,
1280 [AS_HELP_STRING([--with-mpfr=PATH],
1281 [specify prefix directory for installed MPFR package.
1282 Equivalent to --with-mpfr-include=PATH/include
1283 plus --with-mpfr-lib=PATH/lib])])
1284 AC_ARG_WITH(mpfr-include,
1285 [AS_HELP_STRING([--with-mpfr-include=PATH],
1286 [specify directory for installed MPFR include files])])
1287 AC_ARG_WITH(mpfr-lib,
1288 [AS_HELP_STRING([--with-mpfr-lib=PATH],
1289 [specify directory for the installed MPFR library])])
1291 if test "x$with_mpfr" != x; then
1292 gmplibs="-L$with_mpfr/lib $gmplibs"
1293 gmpinc="-I$with_mpfr/include $gmpinc"
1294 fi
1295 if test "x$with_mpfr_include" != x; then
1296 gmpinc="-I$with_mpfr_include $gmpinc"
1297 fi
1298 if test "x$with_mpfr_lib" != x; then
1299 gmplibs="-L$with_mpfr_lib $gmplibs"
1300 fi
1301 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
1302 # MPFR v3.1.0 moved the sources into a src sub-directory.
1303 if test -d ${srcdir}/mpfr/src; then
1304 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
1305 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
1306 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
1307 else
1308 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
1309 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
1310 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
1311 fi
1312 # Do not test the mpfr version. Assume that it is sufficient, since
1313 # it is in the source tree, and the library has not been built yet
1314 # but it would be included on the link line in the version check below
1315 # hence making the test fail.
1316 have_gmp=yes
1317 fi
1319 # Specify a location for gmp
1320 AC_ARG_WITH(gmp-dir,
1321 [AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1322 [AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1323 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1325 AC_ARG_WITH(gmp,
1326 [AS_HELP_STRING([--with-gmp=PATH],
1327 [specify prefix directory for the installed GMP package.
1328 Equivalent to --with-gmp-include=PATH/include
1329 plus --with-gmp-lib=PATH/lib])])
1330 AC_ARG_WITH(gmp-include,
1331 [AS_HELP_STRING([--with-gmp-include=PATH],
1332 [specify directory for installed GMP include files])])
1333 AC_ARG_WITH(gmp-lib,
1334 [AS_HELP_STRING([--with-gmp-lib=PATH],
1335 [specify directory for the installed GMP library])])
1338 if test "x$with_gmp" != x; then
1339 gmplibs="-L$with_gmp/lib $gmplibs"
1340 gmpinc="-I$with_gmp/include $gmpinc"
1341 fi
1342 if test "x$with_gmp_include" != x; then
1343 gmpinc="-I$with_gmp_include $gmpinc"
1344 fi
1345 if test "x$with_gmp_lib" != x; then
1346 gmplibs="-L$with_gmp_lib $gmplibs"
1347 fi
1348 if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
1349 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
1350 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
1351 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1352 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
1353 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp'
1354 # Do not test the gmp version. Assume that it is sufficient, since
1355 # it is in the source tree, and the library has not been built yet
1356 # but it would be included on the link line in the version check below
1357 # hence making the test fail.
1358 have_gmp=yes
1359 fi
1361 if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
1362 have_gmp=yes
1363 saved_CFLAGS="$CFLAGS"
1364 CFLAGS="$CFLAGS $gmpinc"
1365 # Check for the recommended and required versions of GMP.
1366 AC_MSG_CHECKING([for the correct version of gmp.h])
1367 AC_TRY_COMPILE([#include "gmp.h"],[
1368 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1369 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1370 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3)
1371 choke me
1372 #endif
1373 ], [AC_TRY_COMPILE([#include <gmp.h>],[
1374 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1375 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1376 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1377 choke me
1378 #endif
1379 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1380 [AC_MSG_RESULT([no]); have_gmp=no])
1382 # If we have GMP, check the MPFR version.
1383 if test x"$have_gmp" = xyes; then
1384 # Check for the recommended and required versions of MPFR.
1385 AC_MSG_CHECKING([for the correct version of mpfr.h])
1386 AC_TRY_COMPILE([#include <gmp.h>
1387 #include <mpfr.h>],[
1388 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0)
1389 choke me
1390 #endif
1391 ], [AC_TRY_COMPILE([#include <gmp.h>
1392 #include <mpfr.h>],[
1393 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
1394 choke me
1395 #endif
1396 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1397 [AC_MSG_RESULT([no]); have_gmp=no])
1398 fi
1400 # Check for the MPC header version.
1401 if test x"$have_gmp" = xyes ; then
1402 # Check for the recommended and required versions of MPC.
1403 AC_MSG_CHECKING([for the correct version of mpc.h])
1404 AC_TRY_COMPILE([#include <mpc.h>],[
1405 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
1406 choke me
1407 #endif
1408 ], [AC_TRY_COMPILE([#include <mpc.h>],[
1409 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1410 choke me
1411 #endif
1412 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1413 [AC_MSG_RESULT([no]); have_gmp=no])
1414 fi
1416 # Now check the MPFR library.
1417 if test x"$have_gmp" = xyes; then
1418 saved_LIBS="$LIBS"
1419 LIBS="$LIBS $gmplibs"
1420 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1421 AC_TRY_LINK([#include <mpc.h>],[
1422 mpfr_t n;
1423 mpfr_t x;
1424 mpc_t c;
1425 int t;
1426 mpfr_init (n);
1427 mpfr_init (x);
1428 mpfr_atan2 (n, n, x, GMP_RNDN);
1429 mpfr_erfc (n, x, GMP_RNDN);
1430 mpfr_subnormalize (x, t, GMP_RNDN);
1431 mpfr_clear(n);
1432 mpfr_clear(x);
1433 mpc_init2 (c, 53);
1434 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1435 mpc_cosh (c, c, MPC_RNDNN);
1436 mpc_pow (c, c, c, MPC_RNDNN);
1437 mpc_acosh (c, c, MPC_RNDNN);
1438 mpc_clear (c);
1439 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1440 LIBS="$saved_LIBS"
1441 fi
1443 CFLAGS="$saved_CFLAGS"
1445 # The library versions listed in the error message below should match
1446 # the HARD-minimums enforced above.
1447 if test x$have_gmp != xyes; then
1448 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+.
1449 Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1450 their locations. Source code for these libraries can be found at
1451 their respective hosting sites as well as at
1452 ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1453 http://gcc.gnu.org/install/prerequisites.html for additional info. If
1454 you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1455 make sure that you have installed both the libraries and the header
1456 files. They may be located in separate packages.])
1457 fi
1458 fi
1460 # Flags needed for both GMP, MPFR and/or MPC.
1461 AC_SUBST(gmplibs)
1462 AC_SUBST(gmpinc)
1463 AC_SUBST(extra_mpfr_configure_flags)
1464 AC_SUBST(extra_mpc_gmp_configure_flags)
1465 AC_SUBST(extra_mpc_mpfr_configure_flags)
1466 AC_SUBST(extra_isl_gmp_configure_flags)
1468 # Allow host libstdc++ to be specified for static linking with PPL.
1469 AC_ARG_WITH(host-libstdcxx,
1470 [AS_HELP_STRING([--with-host-libstdcxx=L],
1471 [use linker arguments L to link with libstdc++
1472 when linking with PPL])])
1474 case $with_host_libstdcxx in
1475 no|yes)
1476 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1477 ;;
1478 esac
1480 # Linker flags to use for stage1 or when not boostrapping.
1481 AC_ARG_WITH(stage1-ldflags,
1482 [AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
1483 [if test "$withval" = "no" -o "$withval" = "yes"; then
1484 stage1_ldflags=
1485 else
1486 stage1_ldflags=$withval
1487 fi],
1488 [stage1_ldflags=])
1489 AC_SUBST(stage1_ldflags)
1491 # Libraries to use for stage1 or when not bootstrapping.
1492 AC_ARG_WITH(stage1-libs,
1493 [AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
1494 [if test "$withval" = "no" -o "$withval" = "yes"; then
1495 stage1_libs=
1496 else
1497 stage1_libs=$withval
1498 fi],
1499 [stage1_libs=$with_host_libstdcxx])
1500 AC_SUBST(stage1_libs)
1502 # Libraries to use for stage2 and later builds. This defaults to the
1503 # argument passed to --with-host-libstdcxx.
1504 AC_ARG_WITH(boot-libs,
1505 [AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
1506 [if test "$withval" = "no" -o "$withval" = "yes"; then
1507 poststage1_libs=
1508 else
1509 poststage1_libs=$withval
1510 fi],
1511 [poststage1_libs=$with_host_libstdcxx])
1512 AC_SUBST(poststage1_libs)
1514 # Linker flags to use for stage2 and later builds.
1515 AC_ARG_WITH(boot-ldflags,
1516 [AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1517 [linker flags for stage2 and later])],
1518 [if test "$withval" = "no" -o "$withval" = "yes"; then
1519 poststage1_ldflags=
1520 else
1521 poststage1_ldflags=$withval
1522 fi],
1523 [poststage1_ldflags=
1524 # In stages 2 and 3, default to linking libstdc++ and libgcc
1525 # statically. But if the user explicitly specified the libraries to
1526 # use, trust that they are doing what they want.
1527 if test "$poststage1_libs" = ""; then
1528 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1529 fi])
1530 AC_SUBST(poststage1_ldflags)
1532 # GCC GRAPHITE dependences, ISL and CLOOG which in turn requires ISL.
1533 # Basic setup is inlined here, actual checks are in config/cloog.m4 and
1534 # config/isl.m4
1536 AC_ARG_WITH(cloog,
1537 [AS_HELP_STRING(
1538 [--with-cloog=PATH],
1539 [Specify prefix directory for the installed CLooG-ISL package.
1540 Equivalent to --with-cloog-include=PATH/include
1541 plus --with-cloog-lib=PATH/lib])])
1542 AC_ARG_WITH(isl,
1543 [AS_HELP_STRING(
1544 [--with-isl=PATH],
1545 [Specify prefix directory for the installed ISL package.
1546 Equivalent to --with-isl-include=PATH/include
1547 plus --with-isl-lib=PATH/lib])])
1549 # Treat either --without-cloog or --without-isl as a request to disable
1550 # GRAPHITE support and skip all following checks.
1551 if test "x$with_isl" != "xno" &&
1552 test "x$with_cloog" != "xno"; then
1553 # Check for ISL
1554 dnl Provide configure switches and initialize islinc & isllibs
1555 dnl with user input.
1556 ISL_INIT_FLAGS
1557 dnl The minimal version of ISL required for Graphite.
1558 ISL_CHECK_VERSION(0,10)
1559 dnl Only execute fail-action, if ISL has been requested.
1560 ISL_IF_FAILED([
1561 AC_MSG_ERROR([Unable to find a usable ISL. See config.log for details.])])
1563 if test "x$gcc_cv_isl" != "xno"; then
1564 # Check for CLOOG
1565 dnl Provide configure switches and initialize clooginc & clooglibs
1566 dnl with user input.
1567 CLOOG_INIT_FLAGS
1568 dnl The minimal version of CLooG required for Graphite.
1569 dnl
1570 dnl If we use CLooG-Legacy, the provided version information is
1571 dnl ignored.
1572 CLOOG_CHECK_VERSION(0,17,0)
1574 dnl Only execute fail-action, if CLooG has been requested.
1575 CLOOG_IF_FAILED([
1576 AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])])
1577 fi
1578 fi
1580 # If either the ISL or the CLooG check failed, disable builds of in-tree
1581 # variants of both
1582 if test "x$with_isl" = xno ||
1583 test "x$with_cloog" = xno ||
1584 test "x$gcc_cv_cloog" = xno ||
1585 test "x$gcc_cv_isl" = xno; then
1586 noconfigdirs="$noconfigdirs cloog isl"
1587 islinc=
1588 clooginc=
1589 clooglibs=
1590 fi
1592 AC_SUBST(islinc)
1593 AC_SUBST(clooglibs)
1594 AC_SUBST(clooginc)
1597 # Check for LTO support.
1598 AC_ARG_ENABLE(lto,
1599 [AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
1600 enable_lto=$enableval,
1601 enable_lto=yes; default_enable_lto=yes)
1603 ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1604 build_lto_plugin=yes
1605 ],[if test x"$default_enable_lto" = x"yes" ; then
1606 case $target in
1607 *-apple-darwin9* | *-cygwin* | *-mingw*) ;;
1608 # On other non-ELF platforms, LTO has yet to be validated.
1609 *) enable_lto=no ;;
1610 esac
1611 else
1612 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1613 # It would also be nice to check the binutils support, but we don't
1614 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1615 # warn during gcc/ subconfigure; unless you're bootstrapping with
1616 # -flto it won't be needed until after installation anyway.
1617 case $target in
1618 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
1619 *) if test x"$enable_lto" = x"yes"; then
1620 AC_MSG_ERROR([LTO support is not enabled for this target.])
1621 fi
1622 ;;
1623 esac
1624 fi
1625 # Among non-ELF, only Windows platforms support the lto-plugin so far.
1626 # Build it unless LTO was explicitly disabled.
1627 case $target in
1628 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
1629 *) ;;
1630 esac
1631 ])
1634 # By default, C and C++ are the only stage 1 languages.
1635 stage1_languages=,c,
1637 # Target libraries that we bootstrap.
1638 bootstrap_target_libs=,target-libgcc,
1640 # Figure out what language subdirectories are present.
1641 # Look if the user specified --enable-languages="..."; if not, use
1642 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1643 # go away some day.
1644 # NB: embedded tabs in this IF block -- do not untabify
1645 if test -d ${srcdir}/gcc; then
1646 if test x"${enable_languages+set}" != xset; then
1647 if test x"${LANGUAGES+set}" = xset; then
1648 enable_languages="${LANGUAGES}"
1649 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1650 else
1651 enable_languages=all
1652 fi
1653 else
1654 if test x"${enable_languages}" = x ||
1655 test x"${enable_languages}" = xyes;
1656 then
1657 echo configure.in: --enable-languages needs at least one language argument 1>&2
1658 exit 1
1659 fi
1660 fi
1661 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1663 # 'f95' is the old name for the 'fortran' language. We issue a warning
1664 # and make the substitution.
1665 case ,${enable_languages}, in
1666 *,f95,*)
1667 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1668 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1669 ;;
1670 esac
1672 # If bootstrapping, C++ must be enabled.
1673 case ",$enable_languages,:$enable_bootstrap" in
1674 *,c++,*:*) ;;
1675 *:yes)
1676 if test -f ${srcdir}/gcc/cp/config-lang.in; then
1677 enable_languages="${enable_languages},c++"
1678 else
1679 AC_MSG_ERROR([bootstrapping requires c++ sources])
1680 fi
1681 ;;
1682 esac
1684 # First scan to see if an enabled language requires some other language.
1685 # We assume that a given config-lang.in will list all the language
1686 # front ends it requires, even if some are required indirectly.
1687 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1688 case ${lang_frag} in
1689 ..) ;;
1690 # The odd quoting in the next line works around
1691 # an apparent bug in bash 1.12 on linux.
1692 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1693 *)
1694 # From the config-lang.in, get $language, $lang_requires, and
1695 # $lang_requires_boot_languages.
1696 language=
1697 lang_requires=
1698 lang_requires_boot_languages=
1699 . ${lang_frag}
1700 for other in ${lang_requires} ${lang_requires_boot_languages}; do
1701 case ,${enable_languages}, in
1702 *,$other,*) ;;
1703 *,all,*) ;;
1704 *,$language,*)
1705 echo " \`$other' language required by \`$language'; enabling" 1>&2
1706 enable_languages="${enable_languages},${other}"
1707 ;;
1708 esac
1709 done
1710 for other in ${lang_requires_boot_languages} ; do
1711 if test "$other" != "c"; then
1712 case ,${enable_stage1_languages}, in
1713 *,$other,*) ;;
1714 *,all,*) ;;
1715 *)
1716 case ,${enable_languages}, in
1717 *,$language,*)
1718 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1719 enable_stage1_languages="$enable_stage1_languages,${other}"
1720 ;;
1721 esac
1722 ;;
1723 esac
1724 fi
1725 done
1726 ;;
1727 esac
1728 done
1730 new_enable_languages=,c,
1732 # If LTO is enabled, add the LTO front end.
1733 extra_host_libiberty_configure_flags=
1734 if test "$enable_lto" = "yes" ; then
1735 case ,${enable_languages}, in
1736 *,lto,*) ;;
1737 *) enable_languages="${enable_languages},lto" ;;
1738 esac
1739 if test "${build_lto_plugin}" = "yes" ; then
1740 configdirs="$configdirs lto-plugin"
1741 extra_host_libiberty_configure_flags=--enable-shared
1742 fi
1743 fi
1744 AC_SUBST(extra_host_libiberty_configure_flags)
1746 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1747 potential_languages=,c,
1749 enabled_target_libs=
1750 disabled_target_libs=
1752 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1753 case ${lang_frag} in
1754 ..) ;;
1755 # The odd quoting in the next line works around
1756 # an apparent bug in bash 1.12 on linux.
1757 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1758 *)
1759 # From the config-lang.in, get $language, $target_libs,
1760 # $lang_dirs, $boot_language, and $build_by_default
1761 language=
1762 target_libs=
1763 lang_dirs=
1764 subdir_requires=
1765 boot_language=no
1766 build_by_default=yes
1767 . ${lang_frag}
1768 if test x${language} = x; then
1769 echo "${lang_frag} doesn't set \$language." 1>&2
1770 exit 1
1771 fi
1773 if test "$language" = "c++"; then
1774 boot_language=yes
1775 fi
1777 add_this_lang=no
1778 case ,${enable_languages}, in
1779 *,${language},*)
1780 # Language was explicitly selected; include it
1781 # unless it is C, which is enabled by default.
1782 if test "$language" != "c"; then
1783 add_this_lang=yes
1784 fi
1785 ;;
1786 *,all,*)
1787 # 'all' was selected, select it if it is a default language
1788 if test "$language" != "c"; then
1789 add_this_lang=${build_by_default}
1790 fi
1791 ;;
1792 esac
1794 # Disable languages that need other directories if these aren't available.
1795 for i in $subdir_requires; do
1796 test -f "$srcdir/gcc/$i/config-lang.in" && continue
1797 case ,${enable_languages}, in
1798 *,${language},*)
1799 # Specifically requested language; tell them.
1800 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1801 ;;
1802 *)
1803 # Silently disable.
1804 add_this_lang=unsupported
1805 ;;
1806 esac
1807 done
1809 # Disable Ada if no preexisting GNAT is available.
1810 case ,${enable_languages},:${language}:${have_gnat} in
1811 *,${language},*:ada:no)
1812 # Specifically requested language; tell them.
1813 AC_MSG_ERROR([GNAT is required to build $language])
1814 ;;
1815 *:ada:no)
1816 # Silently disable.
1817 add_this_lang=unsupported
1818 ;;
1819 esac
1821 # Disable a language that is unsupported by the target.
1822 case " $unsupported_languages " in
1823 *" $language "*)
1824 add_this_lang=unsupported
1825 ;;
1826 esac
1828 case $add_this_lang in
1829 unsupported)
1830 # Remove language-dependent dirs.
1831 disabled_target_libs="$disabled_target_libs $target_libs"
1832 noconfigdirs="$noconfigdirs $lang_dirs"
1833 ;;
1834 no)
1835 # Remove language-dependent dirs; still show language as supported.
1836 disabled_target_libs="$disabled_target_libs $target_libs"
1837 noconfigdirs="$noconfigdirs $lang_dirs"
1838 potential_languages="${potential_languages}${language},"
1839 ;;
1840 yes)
1841 new_enable_languages="${new_enable_languages}${language},"
1842 potential_languages="${potential_languages}${language},"
1843 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1844 enabled_target_libs="$enabled_target_libs $target_libs"
1845 case "${boot_language}:,$enable_stage1_languages," in
1846 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
1847 # Add to (comma-separated) list of stage 1 languages.
1848 case ",$stage1_languages," in
1849 *,$language,* | ,yes, | ,all,) ;;
1850 *) stage1_languages="${stage1_languages}${language}," ;;
1851 esac
1852 # We need to bootstrap any supporting libraries.
1853 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1854 ;;
1855 esac
1856 ;;
1857 esac
1858 ;;
1859 esac
1860 done
1862 # Add target libraries which are only needed for disabled languages
1863 # to noconfigdirs.
1864 if test -n "$disabled_target_libs"; then
1865 for dir in $disabled_target_libs; do
1866 case " $enabled_target_libs " in
1867 *" ${dir} "*) ;;
1868 *) noconfigdirs="$noconfigdirs $dir" ;;
1869 esac
1870 done
1871 fi
1873 AC_ARG_ENABLE(stage1-languages,
1874 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
1875 [choose additional languages to build during
1876 stage1. Mostly useful for compiler development])],
1877 [case ,${enable_stage1_languages}, in
1878 ,no,|,,)
1879 # Set it to something that will have no effect in the loop below
1880 enable_stage1_languages=c ;;
1881 ,yes,)
1882 enable_stage1_languages=`echo $new_enable_languages | \
1883 sed -e "s/^,//" -e "s/,$//" ` ;;
1884 *,all,*)
1885 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1886 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1887 esac
1889 # Add "good" languages from enable_stage1_languages to stage1_languages,
1890 # while "bad" languages go in missing_languages. Leave no duplicates.
1891 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1892 case $potential_languages in
1893 *,$i,*)
1894 case $stage1_languages in
1895 *,$i,*) ;;
1896 *) stage1_languages="$stage1_languages$i," ;;
1897 esac ;;
1898 *)
1899 case $missing_languages in
1900 *,$i,*) ;;
1901 *) missing_languages="$missing_languages$i," ;;
1902 esac ;;
1903 esac
1904 done])
1906 # Remove leading/trailing commas that were added for simplicity
1907 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
1908 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1909 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1910 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1912 if test "x$missing_languages" != x; then
1913 AC_MSG_ERROR([
1914 The following requested languages could not be built: ${missing_languages}
1915 Supported languages are: ${potential_languages}])
1916 fi
1917 if test "x$new_enable_languages" != "x$enable_languages"; then
1918 echo The following languages will be built: ${new_enable_languages}
1919 enable_languages="$new_enable_languages"
1920 fi
1922 AC_SUBST(stage1_languages)
1923 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
1924 fi
1926 # Handle --disable-<component> generically.
1927 for dir in $configdirs $build_configdirs $target_configdirs ; do
1928 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
1929 varname=`echo $dirname | sed -e s/+/_/g`
1930 if eval test x\${enable_${varname}} "=" xno ; then
1931 noconfigdirs="$noconfigdirs $dir"
1932 fi
1933 done
1935 # Check for Boehm's garbage collector
1936 AC_ARG_ENABLE(objc-gc,
1937 [AS_HELP_STRING([--enable-objc-gc],
1938 [enable use of Boehm's garbage collector with the
1939 GNU Objective-C runtime])],
1940 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
1941 *,objc,*:*:yes:*target-boehm-gc*)
1942 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
1943 ;;
1944 esac])
1946 # Make sure we only build Boehm's garbage collector if required.
1947 case ,${enable_languages},:${enable_objc_gc} in
1948 *,objc,*:yes)
1949 # Keep target-boehm-gc if requested for Objective-C.
1950 ;;
1951 *)
1952 # Otherwise remove target-boehm-gc depending on target-libjava.
1953 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
1954 noconfigdirs="$noconfigdirs target-boehm-gc"
1955 fi
1956 ;;
1957 esac
1959 # Disable libitm if we're not building C++
1960 case ,${enable_languages}, in
1961 *,c++,*) ;;
1962 *)
1963 noconfigdirs="$noconfigdirs target-libitm"
1964 ;;
1965 esac
1967 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1968 # $build_configdirs and $target_configdirs.
1969 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1971 notsupp=""
1972 for dir in . $skipdirs $noconfigdirs ; do
1973 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
1974 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1975 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1976 if test -r $srcdir/$dirname/configure ; then
1977 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1978 true
1979 else
1980 notsupp="$notsupp $dir"
1981 fi
1982 fi
1983 fi
1984 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1985 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
1986 if test -r $srcdir/$dirname/configure ; then
1987 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1988 true
1989 else
1990 notsupp="$notsupp $dir"
1991 fi
1992 fi
1993 fi
1994 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1995 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1996 if test -r $srcdir/$dirname/configure ; then
1997 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1998 true
1999 else
2000 notsupp="$notsupp $dir"
2001 fi
2002 fi
2003 fi
2004 done
2006 # Quietly strip out all directories which aren't configurable in this tree.
2007 # This relies on all configurable subdirectories being autoconfiscated, which
2008 # is now the case.
2009 build_configdirs_all="$build_configdirs"
2010 build_configdirs=
2011 for i in ${build_configdirs_all} ; do
2012 j=`echo $i | sed -e s/build-//g`
2013 if test -f ${srcdir}/$j/configure ; then
2014 build_configdirs="${build_configdirs} $i"
2015 fi
2016 done
2018 configdirs_all="$configdirs"
2019 configdirs=
2020 for i in ${configdirs_all} ; do
2021 if test -f ${srcdir}/$i/configure ; then
2022 configdirs="${configdirs} $i"
2023 fi
2024 done
2026 target_configdirs_all="$target_configdirs"
2027 target_configdirs=
2028 for i in ${target_configdirs_all} ; do
2029 j=`echo $i | sed -e s/target-//g`
2030 if test -f ${srcdir}/$j/configure ; then
2031 target_configdirs="${target_configdirs} $i"
2032 fi
2033 done
2035 # Produce a warning message for the subdirs we can't configure.
2036 # This isn't especially interesting in the Cygnus tree, but in the individual
2037 # FSF releases, it's important to let people know when their machine isn't
2038 # supported by the one or two programs in a package.
2040 if test -n "${notsupp}" && test -z "${norecursion}" ; then
2041 # If $appdirs is non-empty, at least one of those directories must still
2042 # be configured, or we error out. (E.g., if the gas release supports a
2043 # specified target in some subdirs but not the gas subdir, we shouldn't
2044 # pretend that all is well.)
2045 if test -n "$appdirs" ; then
2046 for dir in $appdirs ; do
2047 if test -r $dir/Makefile.in ; then
2048 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2049 appdirs=""
2050 break
2051 fi
2052 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
2053 appdirs=""
2054 break
2055 fi
2056 fi
2057 done
2058 if test -n "$appdirs" ; then
2059 echo "*** This configuration is not supported by this package." 1>&2
2060 exit 1
2061 fi
2062 fi
2063 # Okay, some application will build, or we don't care to check. Still
2064 # notify of subdirs not getting built.
2065 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2066 echo " ${notsupp}" 1>&2
2067 echo " (Any other directories should still work fine.)" 1>&2
2068 fi
2070 case "$host" in
2071 *msdosdjgpp*)
2072 enable_gdbtk=no ;;
2073 esac
2075 # To find our prefix, in gcc_cv_tool_prefix.
2076 ACX_TOOL_DIRS
2078 copy_dirs=
2080 AC_ARG_WITH([build-sysroot],
2081 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2082 [use sysroot as the system root during the build])],
2083 [if test x"$withval" != x ; then
2084 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2085 fi],
2086 [SYSROOT_CFLAGS_FOR_TARGET=])
2087 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2089 AC_ARG_WITH([debug-prefix-map],
2090 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2091 [map A to B, C to D ... in debug information])],
2092 [if test x"$withval" != x; then
2093 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2094 for debug_map in $withval; do
2095 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2096 done
2097 fi],
2098 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2099 AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2101 # During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2102 # might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2103 # might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2104 # We want to ensure that TARGET libraries (which we know are built with
2105 # gcc) are built with "-O2 -g", so include those options when setting
2106 # CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2107 if test "x$CFLAGS_FOR_TARGET" = x; then
2108 CFLAGS_FOR_TARGET=$CFLAGS
2109 case " $CFLAGS " in
2110 *" -O2 "*) ;;
2111 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;;
2112 esac
2113 case " $CFLAGS " in
2114 *" -g "* | *" -g3 "*) ;;
2115 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;;
2116 esac
2117 fi
2118 AC_SUBST(CFLAGS_FOR_TARGET)
2120 if test "x$CXXFLAGS_FOR_TARGET" = x; then
2121 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2122 case " $CXXFLAGS " in
2123 *" -O2 "*) ;;
2124 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;;
2125 esac
2126 case " $CXXFLAGS " in
2127 *" -g "* | *" -g3 "*) ;;
2128 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;;
2129 esac
2130 fi
2131 AC_SUBST(CXXFLAGS_FOR_TARGET)
2133 AC_SUBST(LDFLAGS_FOR_TARGET)
2135 # Handle --with-headers=XXX. If the value is not "yes", the contents of
2136 # the named directory are copied to $(tooldir)/sys-include.
2137 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2138 if test x${is_cross_compiler} = xno ; then
2139 echo 1>&2 '***' --with-headers is only supported when cross compiling
2140 exit 1
2141 fi
2142 if test x"${with_headers}" != xyes ; then
2143 x=${gcc_cv_tool_prefix}
2144 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
2145 fi
2146 fi
2148 # Handle --with-libs=XXX. If the value is not "yes", the contents of
2149 # the name directories are copied to $(tooldir)/lib. Multiple directories
2150 # are permitted.
2151 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2152 if test x${is_cross_compiler} = xno ; then
2153 echo 1>&2 '***' --with-libs is only supported when cross compiling
2154 exit 1
2155 fi
2156 if test x"${with_libs}" != xyes ; then
2157 # Copy the libraries in reverse order, so that files in the first named
2158 # library override files in subsequent libraries.
2159 x=${gcc_cv_tool_prefix}
2160 for l in ${with_libs}; do
2161 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
2162 done
2163 fi
2164 fi
2166 # Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2167 #
2168 # This is done by determining whether or not the appropriate directory
2169 # is available, and by checking whether or not specific configurations
2170 # have requested that this magic not happen.
2171 #
2172 # The command line options always override the explicit settings in
2173 # configure.in, and the settings in configure.in override this magic.
2174 #
2175 # If the default for a toolchain is to use GNU as and ld, and you don't
2176 # want to do that, then you should use the --without-gnu-as and
2177 # --without-gnu-ld options for the configure script. Similarly, if
2178 # the default is to use the included zlib and you don't want to do that,
2179 # you should use the --with-system-zlib option for the configure script.
2181 if test x${use_gnu_as} = x &&
2182 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2183 with_gnu_as=yes
2184 extra_host_args="$extra_host_args --with-gnu-as"
2185 fi
2187 if test x${use_gnu_ld} = x &&
2188 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2189 with_gnu_ld=yes
2190 extra_host_args="$extra_host_args --with-gnu-ld"
2191 fi
2193 if test x${use_included_zlib} = x &&
2194 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2195 :
2196 else
2197 with_system_zlib=yes
2198 extra_host_args="$extra_host_args --with-system-zlib"
2199 fi
2201 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2202 # can detect this case.
2204 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2205 with_newlib=yes
2206 extra_host_args="$extra_host_args --with-newlib"
2207 fi
2209 # Handle ${copy_dirs}
2210 set fnord ${copy_dirs}
2211 shift
2212 while test $# != 0 ; do
2213 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2214 :
2215 else
2216 echo Copying $1 to $2
2218 # Use the install script to create the directory and all required
2219 # parent directories.
2220 if test -d $2 ; then
2221 :
2222 else
2223 echo >config.temp
2224 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2225 fi
2227 # Copy the directory, assuming we have tar.
2228 # FIXME: Should we use B in the second tar? Not all systems support it.
2229 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2231 # It is the responsibility of the user to correctly adjust all
2232 # symlinks. If somebody can figure out how to handle them correctly
2233 # here, feel free to add the code.
2235 echo $1 > $2/COPIED
2236 fi
2237 shift; shift
2238 done
2240 # Determine a target-dependent exec_prefix that the installed
2241 # gcc will search in. Keep this list sorted by triplet, with
2242 # the *-*-osname triplets last.
2243 md_exec_prefix=
2244 case "${target}" in
2245 i[[34567]]86-pc-msdosdjgpp*)
2246 md_exec_prefix=/dev/env/DJDIR/bin
2247 ;;
2248 *-*-hpux* | \
2249 *-*-nto-qnx* | \
2250 *-*-solaris2*)
2251 md_exec_prefix=/usr/ccs/bin
2252 ;;
2253 esac
2255 extra_arflags_for_target=
2256 extra_nmflags_for_target=
2257 extra_ranlibflags_for_target=
2258 target_makefile_frag=/dev/null
2259 case "${target}" in
2260 spu-*-*)
2261 target_makefile_frag="config/mt-spu"
2262 ;;
2263 mips*-sde-elf*)
2264 target_makefile_frag="config/mt-sde"
2265 ;;
2266 mipsisa*-*-elfoabi*)
2267 target_makefile_frag="config/mt-mips-elfoabi"
2268 ;;
2269 mips*-*-*linux* | mips*-*-gnu*)
2270 target_makefile_frag="config/mt-mips-gnu"
2271 ;;
2272 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
2273 target_makefile_frag="config/mt-gnu"
2274 ;;
2275 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
2276 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2277 # commands to handle both 32-bit and 64-bit objects. These flags are
2278 # harmless if we're using GNU nm or ar.
2279 extra_arflags_for_target=" -X32_64"
2280 extra_nmflags_for_target=" -B -X32_64"
2281 ;;
2282 esac
2284 alphaieee_frag=/dev/null
2285 case $target in
2286 alpha*-*-*)
2287 # This just makes sure to use the -mieee option to build target libs.
2288 # This should probably be set individually by each library.
2289 alphaieee_frag="config/mt-alphaieee"
2290 ;;
2291 esac
2293 # If --enable-target-optspace always use -Os instead of -O2 to build
2294 # the target libraries, similarly if it is not specified, use -Os
2295 # on selected platforms.
2296 ospace_frag=/dev/null
2297 case "${enable_target_optspace}:${target}" in
2298 yes:*)
2299 ospace_frag="config/mt-ospace"
2300 ;;
2301 :d30v-*)
2302 ospace_frag="config/mt-d30v"
2303 ;;
2304 :m32r-* | :d10v-* | :fr30-*)
2305 ospace_frag="config/mt-ospace"
2306 ;;
2307 no:* | :*)
2308 ;;
2309 *)
2310 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2311 ;;
2312 esac
2314 # Some systems (e.g., one of the i386-aix systems the gas testers are
2315 # using) don't handle "\$" correctly, so don't use it here.
2316 tooldir='${exec_prefix}'/${target_noncanonical}
2317 build_tooldir=${tooldir}
2319 # Create a .gdbinit file which runs the one in srcdir
2320 # and tells GDB to look there for source files.
2322 if test -r ${srcdir}/.gdbinit ; then
2323 case ${srcdir} in
2324 .) ;;
2325 *) cat > ./.gdbinit <<EOF
2326 # ${NO_EDIT}
2327 dir ${srcdir}
2328 dir .
2329 source ${srcdir}/.gdbinit
2330 EOF
2331 ;;
2332 esac
2333 fi
2335 # Make sure that the compiler is able to generate an executable. If it
2336 # can't, we are probably in trouble. We don't care whether we can run the
2337 # executable--we might be using a cross compiler--we only care whether it
2338 # can be created. At this point the main configure script has set CC.
2339 we_are_ok=no
2340 echo "int main () { return 0; }" > conftest.c
2341 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
2342 if test $? = 0 ; then
2343 if test -s conftest || test -s conftest.exe ; then
2344 we_are_ok=yes
2345 fi
2346 fi
2347 case $we_are_ok in
2348 no)
2349 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2350 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2351 rm -f conftest*
2352 exit 1
2353 ;;
2354 esac
2355 rm -f conftest*
2357 # Decide which environment variable is used to find dynamic libraries.
2358 case "${host}" in
2359 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
2360 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
2361 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
2362 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2363 esac
2365 # On systems where the dynamic library environment variable is PATH,
2366 # gcc/ will put dynamic libraries into a subdirectory to avoid adding
2367 # built executables to PATH.
2368 if test "$RPATH_ENVVAR" = PATH; then
2369 GCC_SHLIB_SUBDIR=/shlib
2370 else
2371 GCC_SHLIB_SUBDIR=
2372 fi
2374 # Record target_configdirs and the configure arguments for target and
2375 # build configuration in Makefile.
2376 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
2377 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
2379 # If we are building libgomp, bootstrap it.
2380 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2381 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2382 fi
2384 # Determine whether gdb needs tk/tcl or not.
2385 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2386 # and in that case we want gdb to be built without tk. Ugh!
2387 # In fact I believe gdb is the *only* package directly dependent on tk,
2388 # so we should be able to put the 'maybe's in unconditionally and
2389 # leave out the maybe dependencies when enable_gdbtk is false. I'm not
2390 # 100% sure that that's safe though.
2392 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
2393 case "$enable_gdbtk" in
2394 no)
2395 GDB_TK="" ;;
2396 yes)
2397 GDB_TK="${gdb_tk}" ;;
2398 *)
2399 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2400 # distro. Eventually someone will fix this and move Insight, nee
2401 # gdbtk to a separate directory.
2402 if test -d ${srcdir}/gdb/gdbtk ; then
2403 GDB_TK="${gdb_tk}"
2404 else
2405 GDB_TK=""
2406 fi
2407 ;;
2408 esac
2409 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2410 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
2412 # Strip out unwanted targets.
2414 # While at that, we remove Makefiles if we were started for recursive
2415 # configuration, so that the top-level Makefile reconfigures them,
2416 # like we used to do when configure itself was recursive.
2418 # Loop over modules. We used to use the "$extrasub" feature from Autoconf
2419 # but now we're fixing up the Makefile ourselves with the additional
2420 # commands passed to AC_CONFIG_FILES. Use separate variables
2421 # extrasub-{build,host,target} not because there is any reason to split
2422 # the substitutions up that way, but only to remain below the limit of
2423 # 99 commands in a script, for HP-UX sed.
2424 # Do not nest @if/@endif pairs, because configure will not warn you at all.
2426 case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2427 yes:yes:*\ gold\ *:*,c++,*) ;;
2428 yes:yes:*\ gold\ *:*)
2429 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2430 ;;
2431 esac
2433 # Adjust the toplevel makefile according to whether bootstrap was selected.
2434 case $enable_bootstrap in
2435 yes)
2436 bootstrap_suffix=bootstrap
2437 BUILD_CONFIG=bootstrap-debug
2438 ;;
2439 no)
2440 bootstrap_suffix=no-bootstrap
2441 BUILD_CONFIG=
2442 ;;
2443 esac
2445 AC_MSG_CHECKING(for default BUILD_CONFIG)
2447 AC_ARG_WITH([build-config],
2448 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2449 [use config/NAME.mk build configuration])],
2450 [case $with_build_config in
2451 yes) with_build_config= ;;
2452 no) with_build_config= BUILD_CONFIG= ;;
2453 esac])
2455 if test "x${with_build_config}" != x; then
2456 BUILD_CONFIG=$with_build_config
2457 else
2458 case $BUILD_CONFIG in
2459 bootstrap-debug)
2460 if echo "int f (void) { return 0; }" > conftest.c &&
2461 ${CC} -c conftest.c &&
2462 mv conftest.o conftest.o.g0 &&
2463 ${CC} -c -g conftest.c &&
2464 mv conftest.o conftest.o.g &&
2465 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
2466 :
2467 else
2468 BUILD_CONFIG=
2469 fi
2470 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2471 ;;
2472 esac
2473 fi
2474 AC_MSG_RESULT($BUILD_CONFIG)
2475 AC_SUBST(BUILD_CONFIG)
2477 extrasub_build=
2478 for module in ${build_configdirs} ; do
2479 if test -z "${no_recursion}" \
2480 && test -f ${build_subdir}/${module}/Makefile; then
2481 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2482 rm -f ${build_subdir}/${module}/Makefile
2483 fi
2484 extrasub_build="$extrasub_build
2485 /^@if build-$module\$/d
2486 /^@endif build-$module\$/d
2487 /^@if build-$module-$bootstrap_suffix\$/d
2488 /^@endif build-$module-$bootstrap_suffix\$/d"
2489 done
2490 extrasub_host=
2491 for module in ${configdirs} ; do
2492 if test -z "${no_recursion}"; then
2493 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
2494 if test -f ${file}; then
2495 echo 1>&2 "*** removing ${file} to force reconfigure"
2496 rm -f ${file}
2497 fi
2498 done
2499 fi
2500 extrasub_host="$extrasub_host
2501 /^@if $module\$/d
2502 /^@endif $module\$/d
2503 /^@if $module-$bootstrap_suffix\$/d
2504 /^@endif $module-$bootstrap_suffix\$/d"
2505 done
2506 extrasub_target=
2507 for module in ${target_configdirs} ; do
2508 if test -z "${no_recursion}" \
2509 && test -f ${target_subdir}/${module}/Makefile; then
2510 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2511 rm -f ${target_subdir}/${module}/Makefile
2512 fi
2514 # We only bootstrap target libraries listed in bootstrap_target_libs.
2515 case $bootstrap_target_libs in
2516 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2517 *) target_bootstrap_suffix=no-bootstrap ;;
2518 esac
2520 extrasub_target="$extrasub_target
2521 /^@if target-$module\$/d
2522 /^@endif target-$module\$/d
2523 /^@if target-$module-$target_bootstrap_suffix\$/d
2524 /^@endif target-$module-$target_bootstrap_suffix\$/d"
2525 done
2527 # Do the final fixup along with target modules.
2528 extrasub_target="$extrasub_target
2529 /^@if /,/^@endif /d"
2531 # Create the serialization dependencies. This uses a temporary file.
2533 AC_ARG_ENABLE([serial-configure],
2534 [AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2535 [force sequential configuration of
2536 sub-packages for the host, target or build
2537 machine, or all sub-packages])])
2539 case ${enable_serial_configure} in
2540 yes)
2541 enable_serial_build_configure=yes
2542 enable_serial_host_configure=yes
2543 enable_serial_target_configure=yes
2544 ;;
2545 esac
2547 # These force 'configure's to be done one at a time, to avoid problems
2548 # with contention over a shared config.cache.
2549 rm -f serdep.tmp
2550 echo '# serdep.tmp' > serdep.tmp
2551 olditem=
2552 test "x${enable_serial_build_configure}" = xyes &&
2553 for item in ${build_configdirs} ; do
2554 case ${olditem} in
2555 "") ;;
2556 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2557 esac
2558 olditem=${item}
2559 done
2560 olditem=
2561 test "x${enable_serial_host_configure}" = xyes &&
2562 for item in ${configdirs} ; do
2563 case ${olditem} in
2564 "") ;;
2565 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2566 esac
2567 olditem=${item}
2568 done
2569 olditem=
2570 test "x${enable_serial_target_configure}" = xyes &&
2571 for item in ${target_configdirs} ; do
2572 case ${olditem} in
2573 "") ;;
2574 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2575 esac
2576 olditem=${item}
2577 done
2578 serialization_dependencies=serdep.tmp
2579 AC_SUBST_FILE(serialization_dependencies)
2581 # Base args. Strip norecursion, cache-file, srcdir, host, build,
2582 # target, nonopt, and variable assignments. These are the ones we
2583 # might not want to pass down to subconfigures. The exception being
2584 # --cache-file=/dev/null, which is used to turn off the use of cache
2585 # files altogether, and which should be passed on to subconfigures.
2586 # Also strip program-prefix, program-suffix, and program-transform-name,
2587 # so that we can pass down a consistent program-transform-name.
2588 baseargs=
2589 tbaseargs=
2590 keep_next=no
2591 skip_next=no
2592 eval "set -- $ac_configure_args"
2593 for ac_arg
2594 do
2595 if test X"$skip_next" = X"yes"; then
2596 skip_next=no
2597 continue
2598 fi
2599 if test X"$keep_next" = X"yes"; then
2600 case $ac_arg in
2601 *\'*)
2602 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2603 esac
2604 baseargs="$baseargs '$ac_arg'"
2605 tbaseargs="$tbaseargs '$ac_arg'"
2606 keep_next=no
2607 continue
2608 fi
2610 # Handle separated arguments. Based on the logic generated by
2611 # autoconf 2.59.
2612 case $ac_arg in
2613 *=* | --config-cache | -C | -disable-* | --disable-* \
2614 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2615 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2616 | -with-* | --with-* | -without-* | --without-* | --x)
2617 separate_arg=no
2618 ;;
2619 -*)
2620 separate_arg=yes
2621 ;;
2622 *)
2623 separate_arg=no
2624 ;;
2625 esac
2627 skip_targ=no
2628 case $ac_arg in
2629 changequote(,)
2630 --with-* | --without-*)
2631 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2633 case $libopt in
2634 *[-_]include)
2635 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2636 ;;
2637 *[-_]lib)
2638 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2639 ;;
2640 *)
2641 lib=$libopt
2642 ;;
2643 esac
2644 changequote([,])
2646 case $lib in
2647 mpc | mpfr | gmp | cloog)
2648 # If we're processing --with-$lib, --with-$lib-include or
2649 # --with-$lib-lib, for one of the libs above, and target is
2650 # different from host, don't pass the current argument to any
2651 # target library's configure.
2652 if test x$is_cross_compiler = xyes; then
2653 skip_targ=yes
2654 fi
2655 ;;
2656 esac
2657 ;;
2658 esac
2660 case "$ac_arg" in
2661 --cache-file=/dev/null | \
2662 -cache-file=/dev/null )
2663 # Handled here to avoid the test to skip args below.
2664 baseargs="$baseargs '$ac_arg'"
2665 tbaseargs="$tbaseargs '$ac_arg'"
2666 # Assert: $separate_arg should always be no.
2667 keep_next=$separate_arg
2668 ;;
2669 --no*)
2670 continue
2671 ;;
2672 --c* | \
2673 --sr* | \
2674 --ho* | \
2675 --bu* | \
2676 --t* | \
2677 --program-* | \
2678 -cache_file* | \
2679 -srcdir* | \
2680 -host* | \
2681 -build* | \
2682 -target* | \
2683 -program-prefix* | \
2684 -program-suffix* | \
2685 -program-transform-name* )
2686 skip_next=$separate_arg
2687 continue
2688 ;;
2689 -*)
2690 # An option. Add it.
2691 case $ac_arg in
2692 *\'*)
2693 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2694 esac
2695 baseargs="$baseargs '$ac_arg'"
2696 if test X"$skip_targ" = Xno; then
2697 tbaseargs="$tbaseargs '$ac_arg'"
2698 fi
2699 keep_next=$separate_arg
2700 ;;
2701 *)
2702 # Either a variable assignment, or a nonopt (triplet). Don't
2703 # pass it down; let the Makefile handle this.
2704 continue
2705 ;;
2706 esac
2707 done
2708 # Remove the initial space we just introduced and, as these will be
2709 # expanded by make, quote '$'.
2710 baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
2712 # Add in --program-transform-name, after --program-prefix and
2713 # --program-suffix have been applied to it. Autoconf has already
2714 # doubled dollar signs and backslashes in program_transform_name; we want
2715 # the backslashes un-doubled, and then the entire thing wrapped in single
2716 # quotes, because this will be expanded first by make and then by the shell.
2717 # Also, because we want to override the logic in subdir configure scripts to
2718 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2719 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2720 ${program_transform_name}
2721 EOF_SED
2722 gcc_transform_name=`cat conftestsed.out`
2723 rm -f conftestsed.out
2724 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2725 tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2726 if test "$silent" = yes; then
2727 baseargs="$baseargs --silent"
2728 tbaseargs="$tbaseargs --silent"
2729 fi
2730 baseargs="$baseargs --disable-option-checking"
2731 tbaseargs="$tbaseargs --disable-option-checking"
2733 # Record and document user additions to sub configure arguments.
2734 AC_ARG_VAR([build_configargs],
2735 [additional configure arguments for build directories])
2736 AC_ARG_VAR([host_configargs],
2737 [additional configure arguments for host directories])
2738 AC_ARG_VAR([target_configargs],
2739 [additional configure arguments for target directories])
2741 # For the build-side libraries, we just need to pretend we're native,
2742 # and not use the same cache file. Multilibs are neither needed nor
2743 # desired.
2744 build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}"
2746 # For host modules, accept cache file option, or specification as blank.
2747 case "${cache_file}" in
2748 "") # empty
2749 cache_file_option="" ;;
2750 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2751 cache_file_option="--cache-file=${cache_file}" ;;
2752 *) # relative path
2753 cache_file_option="--cache-file=../${cache_file}" ;;
2754 esac
2756 # Host dirs don't like to share a cache file either, horribly enough.
2757 # This seems to be due to autoconf 2.5x stupidity.
2758 host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
2760 target_configargs="$target_configargs ${tbaseargs}"
2762 # Passing a --with-cross-host argument lets the target libraries know
2763 # whether they are being built with a cross-compiler or being built
2764 # native. However, it would be better to use other mechanisms to make the
2765 # sorts of decisions they want to make on this basis. Please consider
2766 # this option to be deprecated. FIXME.
2767 if test x${is_cross_compiler} = xyes ; then
2768 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
2769 fi
2771 # Default to --enable-multilib.
2772 if test x${enable_multilib} = x ; then
2773 target_configargs="--enable-multilib ${target_configargs}"
2774 fi
2776 # Pass --with-newlib if appropriate. Note that target_configdirs has
2777 # changed from the earlier setting of with_newlib.
2778 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2779 target_configargs="--with-newlib ${target_configargs}"
2780 fi
2782 # Different target subdirs use different values of certain variables
2783 # (notably CXX). Worse, multilibs use *lots* of different values.
2784 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2785 # it doesn't automatically accept command-line overrides of them.
2786 # This means it's not safe for target subdirs to share a cache file,
2787 # which is disgusting, but there you have it. Hopefully this can be
2788 # fixed in future. It's still worthwhile to use a cache file for each
2789 # directory. I think.
2791 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2792 # We need to pass --target, as newer autoconf's requires consistency
2793 # for target_alias and gcc doesn't manage it consistently.
2794 target_configargs="--cache-file=./config.cache ${target_configargs}"
2796 FLAGS_FOR_TARGET=
2797 case " $target_configdirs " in
2798 *" newlib "*)
2799 case " $target_configargs " in
2800 *" --with-newlib "*)
2801 case "$target" in
2802 *-cygwin*)
2803 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'
2804 ;;
2805 esac
2807 # If we're not building GCC, don't discard standard headers.
2808 if test -d ${srcdir}/gcc; then
2809 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2811 if test "${build}" != "${host}"; then
2812 # On Canadian crosses, CC_FOR_TARGET will have already been set
2813 # by `configure', so we won't have an opportunity to add -Bgcc/
2814 # to it. This is right: we don't want to search that directory
2815 # for binaries, but we want the header files in there, so add
2816 # them explicitly.
2817 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
2819 # Someone might think of using the pre-installed headers on
2820 # Canadian crosses, in case the installed compiler is not fully
2821 # compatible with the compiler being built. In this case, it
2822 # would be better to flag an error than risking having
2823 # incompatible object files being constructed. We can't
2824 # guarantee that an error will be flagged, but let's hope the
2825 # compiler will do it, when presented with incompatible header
2826 # files.
2827 fi
2828 fi
2830 case "${target}-${is_cross_compiler}" in
2831 i[[3456789]]86-*-linux*-no)
2832 # Here host == target, so we don't need to build gcc,
2833 # so we don't want to discard standard headers.
2834 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2835 ;;
2836 *)
2837 # If we're building newlib, use its generic headers last, but search
2838 # for any libc-related directories first (so make it the last -B
2839 # switch).
2840 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2842 # If we're building libgloss, find the startup file, simulator library
2843 # and linker script.
2844 case " $target_configdirs " in
2845 *" libgloss "*)
2846 # Look for startup file, simulator library and maybe linker script.
2847 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
2848 # Look for libnosys.a in case the target needs it.
2849 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
2850 # Most targets have the linker script in the source directory.
2851 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
2852 ;;
2853 esac
2854 ;;
2855 esac
2856 ;;
2857 esac
2858 ;;
2859 esac
2861 case "$target" in
2862 x86_64-*mingw* | *-w64-mingw*)
2863 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
2864 # however, use a symlink named 'mingw' in ${prefix} .
2865 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
2866 ;;
2867 *-mingw*)
2868 # MinGW can't be handled as Cygwin above since it does not use newlib.
2869 FLAGS_FOR_TARGET=$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'
2870 ;;
2871 esac
2873 # Allow the user to override the flags for
2874 # our build compiler if desired.
2875 if test x"${build}" = x"${host}" ; then
2876 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2877 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
2878 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
2879 fi
2881 # On Canadian crosses, we'll be searching the right directories for
2882 # the previously-installed cross compiler, so don't bother to add
2883 # flags for directories within the install tree of the compiler
2884 # being built; programs in there won't even run.
2885 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2886 # Search for pre-installed headers if nothing else fits.
2887 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2888 fi
2890 if test "x${use_gnu_ld}" = x &&
2891 echo " ${configdirs} " | grep " ld " > /dev/null ; then
2892 # Arrange for us to find uninstalled linker scripts.
2893 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
2894 fi
2896 # Search for other target-specific linker scripts and such.
2897 case "${target}" in
2898 mep*)
2899 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
2900 ;;
2901 esac
2903 # Makefile fragments.
2904 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2905 do
2906 eval fragval=\$$frag
2907 if test $fragval != /dev/null; then
2908 eval $frag=${srcdir}/$fragval
2909 fi
2910 done
2911 AC_SUBST_FILE(host_makefile_frag)
2912 AC_SUBST_FILE(target_makefile_frag)
2913 AC_SUBST_FILE(alphaieee_frag)
2914 AC_SUBST_FILE(ospace_frag)
2916 # Miscellanea: directories, flags, etc.
2917 AC_SUBST(RPATH_ENVVAR)
2918 AC_SUBST(GCC_SHLIB_SUBDIR)
2919 AC_SUBST(tooldir)
2920 AC_SUBST(build_tooldir)
2921 AC_SUBST(CONFIGURE_GDB_TK)
2922 AC_SUBST(GDB_TK)
2923 AC_SUBST(INSTALL_GDB_TK)
2925 # Build module lists & subconfigure args.
2926 AC_SUBST(build_configargs)
2927 AC_SUBST(build_configdirs)
2929 # Host module lists & subconfigure args.
2930 AC_SUBST(host_configargs)
2931 AC_SUBST(configdirs)
2932 AC_SUBST(target_configdirs)
2934 # Target module lists & subconfigure args.
2935 AC_SUBST(target_configargs)
2938 # Build tools.
2939 AC_SUBST(AR_FOR_BUILD)
2940 AC_SUBST(AS_FOR_BUILD)
2941 AC_SUBST(CC_FOR_BUILD)
2942 AC_SUBST(CFLAGS_FOR_BUILD)
2943 AC_SUBST(CXXFLAGS_FOR_BUILD)
2944 AC_SUBST(CXX_FOR_BUILD)
2945 AC_SUBST(DLLTOOL_FOR_BUILD)
2946 AC_SUBST(GCJ_FOR_BUILD)
2947 AC_SUBST(GFORTRAN_FOR_BUILD)
2948 AC_SUBST(GOC_FOR_BUILD)
2949 AC_SUBST(LDFLAGS_FOR_BUILD)
2950 AC_SUBST(LD_FOR_BUILD)
2951 AC_SUBST(NM_FOR_BUILD)
2952 AC_SUBST(RANLIB_FOR_BUILD)
2953 AC_SUBST(WINDMC_FOR_BUILD)
2954 AC_SUBST(WINDRES_FOR_BUILD)
2956 # Generate default definitions for YACC, M4, LEX and other programs that run
2957 # on the build machine. These are used if the Makefile can't locate these
2958 # programs in objdir.
2959 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
2961 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
2962 case " $build_configdirs " in
2963 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
2964 esac
2966 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
2967 case " $build_configdirs " in
2968 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
2969 esac
2971 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
2972 case " $build_configdirs " in
2973 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
2974 esac
2976 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
2977 case " $build_configdirs " in
2978 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2979 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
2980 esac
2982 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
2983 case " $build_configdirs " in
2984 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2985 esac
2987 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
2988 case " $build_configdirs " in
2989 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
2990 *)
2991 changequote(,)
2992 # For an installed makeinfo, we require it to be from texinfo 4.7 or
2993 # higher, else we use the "missing" dummy.
2994 if ${MAKEINFO} --version \
2995 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
2996 :
2997 else
2998 MAKEINFO="$MISSING makeinfo"
2999 fi
3000 ;;
3001 changequote([,])
3002 esac
3004 # FIXME: expect and dejagnu may become build tools?
3006 AC_CHECK_PROGS(EXPECT, expect, expect)
3007 case " $configdirs " in
3008 *" expect "*)
3009 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3010 ;;
3011 esac
3013 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3014 case " $configdirs " in
3015 *" dejagnu "*)
3016 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
3017 ;;
3018 esac
3021 # Host tools.
3022 NCN_STRICT_CHECK_TOOLS(AR, ar)
3023 NCN_STRICT_CHECK_TOOLS(AS, as)
3024 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3025 NCN_STRICT_CHECK_TOOLS(LD, ld)
3026 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
3027 NCN_STRICT_CHECK_TOOLS(NM, nm)
3028 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3029 NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
3030 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
3031 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
3032 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3033 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
3034 NCN_STRICT_CHECK_TOOLS(READELF, readelf)
3035 AC_SUBST(CC)
3036 AC_SUBST(CXX)
3037 AC_SUBST(CFLAGS)
3038 AC_SUBST(CXXFLAGS)
3040 # Target tools.
3041 AC_ARG_WITH([build-time-tools],
3042 [AS_HELP_STRING([--with-build-time-tools=PATH],
3043 [use given path to find target tools during the build])],
3044 [case x"$withval" in
3045 x/*) ;;
3046 *)
3047 with_build_time_tools=
3048 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3049 ;;
3050 esac],
3051 [with_build_time_tools=])
3053 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3054 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
3055 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3056 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3057 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
3058 NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
3060 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3061 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3062 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3063 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3064 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3065 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3066 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
3067 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
3068 ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
3069 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3070 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
3071 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
3073 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3075 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3076 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3077 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3078 dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
3079 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
3080 [gcc/g++ -B$$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],
3081 c++)
3082 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3083 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3084 c++)
3085 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3086 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3087 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3088 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3089 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3090 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
3091 GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3092 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
3093 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3094 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3095 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3096 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3097 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
3098 GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
3099 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
3100 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
3101 GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
3103 AC_SUBST(FLAGS_FOR_TARGET)
3104 AC_SUBST(RAW_CXX_FOR_TARGET)
3106 # Certain tools may need extra flags.
3107 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3108 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3109 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
3111 # When building target libraries, except in a Canadian cross, we use
3112 # the same toolchain as the compiler we just built.
3113 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3114 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3115 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3116 if test $host = $build; then
3117 case " $configdirs " in
3118 *" gcc "*)
3119 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3120 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3121 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3122 ;;
3123 esac
3124 fi
3126 AC_SUBST(COMPILER_AS_FOR_TARGET)
3127 AC_SUBST(COMPILER_LD_FOR_TARGET)
3128 AC_SUBST(COMPILER_NM_FOR_TARGET)
3130 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3131 AC_ARG_ENABLE(maintainer-mode,
3132 [AS_HELP_STRING([--enable-maintainer-mode],
3133 [enable make rules and dependencies not useful
3134 (and sometimes confusing) to the casual installer])],
3135 USE_MAINTAINER_MODE=$enableval,
3136 USE_MAINTAINER_MODE=no)
3137 AC_MSG_RESULT($USE_MAINTAINER_MODE)
3138 AC_SUBST(MAINTAINER_MODE_TRUE)
3139 AC_SUBST(MAINTAINER_MODE_FALSE)
3140 if test "$USE_MAINTAINER_MODE" = yes; then
3141 MAINTAINER_MODE_TRUE=
3142 MAINTAINER_MODE_FALSE='#'
3143 else
3144 MAINTAINER_MODE_TRUE='#'
3145 MAINTAINER_MODE_FALSE=
3146 fi
3147 MAINT=$MAINTAINER_MODE_TRUE
3148 AC_SUBST(MAINT)dnl
3150 # ---------------------
3151 # GCC bootstrap support
3152 # ---------------------
3154 # Stage specific cflags for build.
3155 stage1_cflags="-g"
3156 case $build in
3157 vax-*-*)
3158 case ${GCC} in
3159 yes) stage1_cflags="-g -Wa,-J" ;;
3160 *) stage1_cflags="-g -J" ;;
3161 esac ;;
3162 esac
3164 AC_SUBST(stage1_cflags)
3166 # Enable --enable-checking in stage1 of the compiler.
3167 AC_ARG_ENABLE(stage1-checking,
3168 [AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3169 [choose additional checking for stage1 of the compiler])],
3170 [stage1_checking=--enable-checking=${enable_stage1_checking}],
3171 [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
3172 stage1_checking=--enable-checking=yes,types
3173 else
3174 stage1_checking=--enable-checking=$enable_checking,types
3175 fi])
3176 AC_SUBST(stage1_checking)
3178 # Enable -Werror in bootstrap stage2 and later.
3179 AC_ARG_ENABLE(werror,
3180 [AS_HELP_STRING([--enable-werror],
3181 [enable -Werror in bootstrap stage2 and later])], [],
3182 [if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
3183 enable_werror=yes
3184 else
3185 enable_werror=no
3186 fi])
3187 case ${enable_werror} in
3188 yes) stage2_werror_flag="--enable-werror-always" ;;
3189 *) stage2_werror_flag="" ;;
3190 esac
3191 AC_SUBST(stage2_werror_flag)
3193 # Specify what files to not compare during bootstrap.
3195 compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3196 case "$target" in
3197 hppa*64*-*-hpux*) ;;
3198 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3199 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;;
3200 esac
3201 AC_SUBST(compare_exclusions)
3203 AC_CONFIG_FILES([Makefile],
3204 [sed "$extrasub_build" Makefile |
3205 sed "$extrasub_host" |
3206 sed "$extrasub_target" > mf$$
3207 mv -f mf$$ Makefile],
3208 [extrasub_build="$extrasub_build"
3209 extrasub_host="$extrasub_host"
3210 extrasub_target="$extrasub_target"])
3211 AC_OUTPUT