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[deliverable/binutils-gdb.git] / configure.ac
CommitLineData
92f01d61 1# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
7837304f 2# 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
ba98da75 3# Free Software Foundation, Inc.
252b5132
RH		 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
e8a5fa9c 7# the Free Software Foundation; either version 3 of the License, or
252b5132
RH		 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
e8a5fa9c
RW		 16# along with this program; see the file COPYING3. If not see
17# <http://www.gnu.org/licenses/>.
252b5132
RH		 18
19##############################################################################
a0da8069
NN		 20### WARNING: this file contains embedded tabs. Do not run untabify on this file.
21
266df637
PB		 22m4_include(config/acx.m4)
23m4_include(config/override.m4)
58c85be7 24m4_include(config/proginstall.m4)
143754cd 25m4_include(config/elf.m4)
d5f2ee2e
KG		 26m4_include([libtool.m4])
27m4_include([ltoptions.m4])
28m4_include([ltsugar.m4])
29m4_include([ltversion.m4])
30m4_include([lt~obsolete.m4])
e552509b 31m4_include([config/cloog.m4])
656fdd47 32
a0da8069 33AC_INIT(move-if-change)
d444d2ba 34AC_PREREQ(2.64)
34a0f3cf 35AC_DISABLE_OPTION_CHECKING
c6b750e1 36
5b553f7e
RW		 37progname=$0
38# if PWD already has a value, it is probably wrong.
39if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
40
41# Export original configure arguments for use by sub-configures.
42# Quote arguments with shell meta charatcers.
43TOPLEVEL_CONFIGURE_ARGUMENTS=
44set -- "$progname" "$@"
45for ac_arg
46do
47 case "$ac_arg" in
48 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
49 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
50 # if the argument is of the form -foo=baz, quote the baz part only
51 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;
52 *) ;;
53 esac
54 # Add the quoted argument to the list.
55 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg"
56done
57if test "$silent" = yes; then
58 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent"
59fi
60# Remove the initial space we just introduced and, as these will be
61# expanded by make, quote '$'.
62TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
63AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
64
c6b750e1
DJ		 65# Find the build, host, and target systems.
66ACX_NONCANONICAL_BUILD
67ACX_NONCANONICAL_HOST
68ACX_NONCANONICAL_TARGET
69
70dnl Autoconf 2.5x and later will set a default program prefix if
71dnl --target was used, even if it was the same as --host. Disable
72dnl that behavior. This must be done before AC_CANONICAL_SYSTEM
73dnl to take effect.
74test "$host_noncanonical" = "$target_noncanonical" &&
75 test "$program_prefix$program_suffix$program_transform_name" = \
76 NONENONEs,x,x, &&
77 program_transform_name=s,y,y,
78
a0da8069
NN		 79AC_CANONICAL_SYSTEM
80AC_ARG_PROGRAM
81
c6b750e1 82m4_pattern_allow([^AS_FOR_TARGET$])dnl
b5714970 83m4_pattern_allow([^AS_FOR_BUILD$])dnl
c6b750e1 84
e5c3f801
NN		 85# Get 'install' or 'install-sh' and its variants.
86AC_PROG_INSTALL
656fdd47 87ACX_PROG_LN
dfdffa2c 88AC_PROG_LN_S
8e957354
PB		 89AC_PROG_SED
90AC_PROG_AWK
e5c3f801 91
0fdbe983
DJ		 92srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
93
94# We pass INSTALL explicitly to sub-makes. Make sure that it is not
95# a relative path.
96if test "$INSTALL" = "${srcdir}/install-sh -c"; then
97 INSTALL="${srcpwd}/install-sh -c"
98fi
99
a0da8069
NN		 100# Set srcdir to "." if that's what it is.
101# This is important for multilib support.
102pwd=`${PWDCMD-pwd}`
a0da8069
NN		 103if test "${pwd}" = "${srcpwd}" ; then
104 srcdir=.
105fi
106
107topsrcdir=$srcpwd
252b5132 108
ae831be5 109extra_host_args=
afefada0 110
252b5132
RH		 111### To add a new directory to the tree, first choose whether it is a target
112### or a host dependent tool. Then put it into the appropriate list
a2cc058a 113### (library or tools, host or target), doing a dependency sort.
252b5132 114
a2cc058a
NN		 115# Subdirs will be configured in the order listed in build_configdirs,
116# configdirs, or target_configdirs; see the serialization section below.
117
118# Dependency sorting is only needed when *configuration* must be done in
119# a particular order. In all cases a dependency should be specified in
120# the Makefile, whether or not it's implicitly specified here.
121
122# Double entries in build_configdirs, configdirs, or target_configdirs may
123# cause circular dependencies and break everything horribly.
252b5132 124
6a9cf61e
PB		 125# these library is used by various programs built for the build
126# environment
127#
128build_libs="build-libiberty"
129
130# these tools are built for the build environment
ee025550 131build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fixincludes"
6a9cf61e 132
252b5132
RH		 133# these libraries are used by various programs built for the host environment
134#
1f53ca9a 135host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp libdecnumber gmp mpfr mpc ppl cloog libelf libiconv"
252b5132 136
252b5132
RH		 137# these tools are built for the host environment
138# Note, the powerpc-eabi build depends on sim occurring before gdb in order to
139# know that we are building the simulator.
2af579c4
NN		 140# binutils, gas and ld appear in that order because it makes sense to run
141# "make check" in that particular order.
e6de499b 142# If --enable-gold is used, "gold" may replace "ld".
f9806fa5 143host_tools="texinfo byacc flex bison binutils gas ld fixincludes gcc cgen sid sim gdb make patch prms send-pr gprof etc expect dejagnu ash bash bzip2 m4 autoconf automake libtool diff rcs fileutils shellutils time textutils wdiff find uudecode hello tar gzip indent recode release sed utils guile perl gawk findutils gettext zip fastjar gnattools"
75205f78
DD		 144
145# libgcj represents the runtime libraries only used by gcj.
146libgcj="target-libffi \
75205f78
DD		 147 target-zlib \
148 target-qthreads \
149 target-libjava"
252b5132
RH		 150
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#
b1299c4e
DJ		 154target_libraries="target-libgcc \
155 target-libiberty \
252b5132
RH		 156 target-libgloss \
157 target-newlib \
cff87f51 158 target-libgomp \
b9459e83 159 target-libstdc++-v3 \
4b1cb4fe 160 target-libmudflap \
bb780410 161 target-libssp \
e552509b 162 target-libquadmath \
4b1cb4fe 163 target-libgfortran \
4f0ef2d8 164 target-boehm-gc \
83326456 165 ${libgcj} \
a2592b1b 166 target-libobjc \
e552509b
ILT		 167 target-libada \
168 target-libgo"
252b5132 169
9c14acb8
NN		 170# these tools are built using the target libraries, and are intended to
171# run only in the target environment
252b5132 172#
9c14acb8 173# note: any program that *uses* libraries that are in the "target_libraries"
0377a422 174# list belongs in this list.
252b5132 175#
2354b38b 176target_tools="target-examples target-gperf target-rda"
252b5132
RH		 177
178################################################################################
179
252b5132
RH		 180## All tools belong in one of the four categories, and are assigned above
181## We assign ${configdirs} this way to remove all embedded newlines. This
182## is important because configure will choke if they ever get through.
183## ${configdirs} is directories we build using the host tools.
184## ${target_configdirs} is directories we build using the target tools.
252b5132 185configdirs=`echo ${host_libs} ${host_tools}`
9c14acb8 186target_configdirs=`echo ${target_libraries} ${target_tools}`
ee025550 187build_configdirs=`echo ${build_libs} ${build_tools}`
dd12c3a8 188
9cc8ae67 189m4_divert_text([PARSE_ARGS],
6d0cd39e
AM		 190[case $srcdir in
191 *" "*)
192m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
193 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
194m4_popdef([AS_MESSAGE_LOG_FD])dnl
195 ;;
196esac
197ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
9cc8ae67
PB		 198])
199
252b5132
RH		 200################################################################################
201
252b5132
RH		 202srcname="gnu development package"
203
204# This gets set non-empty for some net releases of packages.
205appdirs=""
206
c712250a
DD		 207# Define is_cross_compiler to save on calls to 'test'.
208is_cross_compiler=
209if test x"${host}" = x"${target}" ; then
210 is_cross_compiler=no
211else
212 is_cross_compiler=yes
213fi
214
9175bfc0 215# Find the build and target subdir names.
dd12c3a8 216GCC_TOPLEV_SUBDIRS
2fd0b40b
RW		 217# Be sure to cover against remnants of an in-tree build.
218if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
219 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
220Use a pristine source tree when building in a separate tree])
221fi
252b5132 222
f48556b1
DD		 223# Skipdirs are removed silently.
224skipdirs=
225# Noconfigdirs are removed loudly.
226noconfigdirs=""
252b5132 227
f48556b1
DD		 228use_gnu_ld=
229# Make sure we don't let GNU ld be added if we didn't want it.
230if test x$with_gnu_ld = xno ; then
231 use_gnu_ld=no
93f9b408 232 noconfigdirs="$noconfigdirs ld gold"
252b5132
RH		 233fi
234
f48556b1
DD		 235use_gnu_as=
236# Make sure we don't let GNU as be added if we didn't want it.
237if test x$with_gnu_as = xno ; then
238 use_gnu_as=no
239 noconfigdirs="$noconfigdirs gas"
252b5132
RH		 240fi
241
700d40ca
ILT		 242use_included_zlib=
243# Make sure we don't let ZLIB be added if we didn't want it.
244if test x$with_system_zlib = xyes ; then
245 use_included_zlib=no
246 noconfigdirs="$noconfigdirs zlib"
247fi
248
f48556b1
DD		 249# some tools are so dependent upon X11 that if we're not building with X,
250# it's not even worth trying to configure, much less build, that tool.
252b5132 251
f48556b1
DD		 252case ${with_x} in
253 yes | "") ;; # the default value for this tree is that X11 is available
ff0a3bf8 254 no)
675c6968 255 skipdirs="${skipdirs} tk itcl libgui"
ff0a3bf8
DD		 256 # We won't be able to build gdbtk without X.
257 enable_gdbtk=no
258 ;;
f48556b1
DD		 259 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
260esac
252b5132 261
0377a422 262# Some are only suitable for cross toolchains.
405ea7a0
NN		 263# Remove these if host=target.
264cross_only="target-libgloss target-newlib target-opcodes"
252b5132 265
f48556b1
DD		 266case $is_cross_compiler in
267 no) skipdirs="${skipdirs} ${cross_only}" ;;
f48556b1 268esac
252b5132 269
a32d391c
DD		 270# If both --with-headers and --with-libs are specified, default to
271# --without-newlib.
32be62b5
RS		 272if test x"${with_headers}" != x && test x"${with_headers}" != xno \
273 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
a32d391c
DD		 274 if test x"${with_newlib}" = x ; then
275 with_newlib=no
276 fi
277fi
278
279# Recognize --with-newlib/--without-newlib.
280case ${with_newlib} in
281 no) skipdirs="${skipdirs} target-newlib" ;;
282 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
283esac
284
c7791212
NC		 285# Handle --enable-gold, --enable-ld.
286# --disable-gold [--enable-ld]
287# Build only ld. Default option.
d3b50760
L		 288# --enable-gold [--enable-ld]
289# Build both gold and ld. Install gold as "ld.gold", install ld
290# as "ld.bfd" and "ld".
291# --enable-gold=default [--enable-ld]
c7791212
NC		 292# Build both gold and ld. Install gold as "ld.gold" and "ld",
293# install ld as "ld.bfd".
294# --enable-gold[=default] --disable-ld
295# Build only gold, which is then installed as both "ld.gold" and "ld".
296# --enable-gold --enable-ld=default
d3b50760
L		 297# Build both gold (installed as "ld.gold") and ld (installed as "ld"
298# and ld.bfd).
c7791212
NC		 299# In other words, ld is default
300# --enable-gold=default --enable-ld=default
301# Error.
302
303default_ld=
93f9b408 304AC_ARG_ENABLE(gold,
7837304f
AS		 305[AS_HELP_STRING([[--enable-gold[=ARG]]],
306 [build gold @<:@ARG={default,yes,no}@:>@])],
93f9b408
ILT		 307ENABLE_GOLD=$enableval,
308ENABLE_GOLD=no)
c7791212
NC		 309case "${ENABLE_GOLD}" in
310 yes|default)
e6de499b
NC		 311 # Check for ELF target.
312 is_elf=no
313 case "${target}" in
314 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
315 | *-*-linux* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
5b806d27
NC		 316 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
317 | *-*-solaris2* | *-*-nto*)
e6de499b
NC		 318 case "${target}" in
319 *-*-linux*aout* | *-*-linux*oldld*)
320 ;;
321 *)
322 is_elf=yes
323 ;;
324 esac
325 esac
326
327 if test "$is_elf" = "yes"; then
328 # Check for target supported by gold.
93f9b408 329 case "${target}" in
e6de499b 330 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-*)
c7791212
NC		 331 configdirs="$configdirs gold"
332 if test x${ENABLE_GOLD} = xdefault; then
333 default_ld=gold
334 fi
e6de499b 335 ENABLE_GOLD=yes
93f9b408
ILT		 336 ;;
337 esac
e6de499b
NC		 338 fi
339 ;;
340 no)
341 ;;
342 *)
343 AC_MSG_ERROR([invalid --enable-gold argument])
344 ;;
c7791212
NC		 345esac
346
347AC_ARG_ENABLE(ld,
7837304f
AS		 348[AS_HELP_STRING([[--enable-ld[=ARG]]],
349 [build ld @<:@ARG={default,yes,no}@:>@])],
c7791212
NC		 350ENABLE_LD=$enableval,
351ENABLE_LD=yes)
352
353case "${ENABLE_LD}" in
354 default)
d3b50760 355 if test x${default_ld} != x; then
c7791212
NC		 356 AC_MSG_ERROR([either gold or ld can be the default ld])
357 fi
358 ;;
359 yes)
360 ;;
361 no)
362 if test x${ENABLE_GOLD} != xyes; then
363 AC_MSG_WARN([neither ld nor gold are enabled])
364 fi
365 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
366 ;;
367 *)
368 AC_MSG_ERROR([invalid --enable-ld argument])
369 ;;
370esac
93f9b408 371
252b5132
RH		 372# Configure extra directories which are host specific
373
374case "${host}" in
f48556b1 375 *-cygwin*)
3866be5d 376 configdirs="$configdirs libtermcap" ;;
252b5132
RH		 377esac
378
59f7ec45
HPN		 379# A target can indicate whether a language isn't supported for some reason.
380# Only spaces may be used in this macro; not newlines or tabs.
381unsupported_languages=
382
252b5132
RH		 383# Remove more programs from consideration, based on the host or
384# target this usually means that a port of the program doesn't
385# exist yet.
386
252b5132 387case "${host}" in
3516a403 388 i[[3456789]]86-*-msdosdjgpp*)
6a608608 389 noconfigdirs="$noconfigdirs tcl tk itcl"
252b5132 390 ;;
252b5132
RH		 391esac
392
4b1cb4fe 393
89a1e9c3
PB		 394AC_ARG_ENABLE(libquadmath,
395AS_HELP_STRING([--disable-libquadmath],
396 [do not build libquadmath directory]),
397ENABLE_LIBQUADMATH=$enableval,
398ENABLE_LIBQUADMATH=yes)
399if test "${ENABLE_LIBQUADMATH}" = "no" ; then
400 noconfigdirs="$noconfigdirs target-libquadmath"
401fi
402
403
404AC_ARG_ENABLE(libquadmath-support,
405AS_HELP_STRING([--disable-libquadmath-support],
406 [disable libquadmath support for Fortran]),
407ENABLE_LIBQUADMATH_SUPPORT=$enableval,
408ENABLE_LIBQUADMATH_SUPPORT=yes)
409enable_libquadmath_support=
410if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
411 enable_libquadmath_support=no
412fi
413
414
a2592b1b 415AC_ARG_ENABLE(libada,
7837304f 416[AS_HELP_STRING([--enable-libada], [build libada directory])],
a2592b1b
DD		 417ENABLE_LIBADA=$enableval,
418ENABLE_LIBADA=yes)
419if test "${ENABLE_LIBADA}" != "yes" ; then
b00612cc 420 noconfigdirs="$noconfigdirs gnattools"
a2592b1b
DD		 421fi
422
5f128533 423AC_ARG_ENABLE(libssp,
7837304f 424[AS_HELP_STRING([--enable-libssp], [build libssp directory])],
5f128533
KH		 425ENABLE_LIBSSP=$enableval,
426ENABLE_LIBSSP=yes)
5f128533 427
96111c10
AO		 428# Save it here so that, even in case of --enable-libgcj, if the Java
429# front-end isn't enabled, we still get libgcj disabled.
430libgcj_saved=$libgcj
431case $enable_libgcj in
432yes)
433 # If we reset it here, it won't get added to noconfigdirs in the
434 # target-specific build rules, so it will be forcibly enabled
435 # (unless the Java language itself isn't enabled).
436 libgcj=
437 ;;
438no)
439 # Make sure we get it printed in the list of not supported target libs.
9e1a94f4
ILT		 440 # Don't disable libffi, though, other languages use it.
441 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
33d23ee8
ILT		 442 # Clear libgcj_saved so that even if java is enabled libffi won't be
443 # built.
444 libgcj_saved=
96111c10
AO		 445 ;;
446esac
447
4b1cb4fe 448
a6df5a19
PB		 449# Disable libmudflap on some systems.
450if test x$enable_libmudflap = x ; then
3e707e94 451 case "${target}" in
29383458 452 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu)
3d6dfe0f 453 # Enable libmudflap by default in GNU and friends.
3e707e94
PB		 454 ;;
455 *-*-freebsd*)
456 # Enable libmudflap by default in FreeBSD.
457 ;;
458 *)
459 # Disable it by default everywhere else.
460 noconfigdirs="$noconfigdirs target-libmudflap"
461 ;;
462 esac
a6df5a19 463fi
4b1cb4fe 464
a6df5a19
PB		 465# Disable libgomp on non POSIX hosted systems.
466if test x$enable_libgomp = x ; then
b3ded179
PB		 467 # Enable libgomp by default on hosted POSIX systems.
468 case "${target}" in
29383458 469 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
b3ded179 470 ;;
5b806d27 471 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
b3ded179 472 ;;
1f111696 473 *-*-solaris2* | *-*-irix6* | *-*-osf* | *-*-hpux11*)
b3ded179
PB		 474 ;;
475 *-*-darwin* | *-*-aix*)
476 ;;
477 *)
478 noconfigdirs="$noconfigdirs target-libgomp"
479 ;;
480 esac
a6df5a19 481fi
b3ded179 482
065a5627
JM		 483# Disable libssp for some systems.
484case "${target}" in
485 avr-*-*)
486 noconfigdirs="$noconfigdirs target-libssp"
487 ;;
488 powerpc-*-aix* | rs6000-*-aix*)
489 noconfigdirs="$noconfigdirs target-libssp"
490 ;;
491 microblaze*)
492 noconfigdirs="$noconfigdirs target-libssp"
493 ;;
494esac
495
496# Disable target libiberty for some systems.
497case "${target}" in
498 *-*-kaos*)
499 # Remove unsupported stuff on all kaOS configurations.
500 skipdirs="target-libiberty"
501 ;;
502 *-*-netbsd*)
503 # Skip some stuff on all NetBSD configurations.
504 noconfigdirs="$noconfigdirs target-libiberty"
505 ;;
506 *-*-netware*)
507 noconfigdirs="$noconfigdirs target-libiberty"
508 ;;
509 *-*-rtems*)
510 skipdirs="${skipdirs} target-libiberty"
511 ;;
512 *-*-tpf*)
513 noconfigdirs="$noconfigdirs target-libiberty"
514 ;;
515 *-*-vxworks*)
516 noconfigdirs="$noconfigdirs target-libiberty"
517 ;;
518 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
519 noconfigdirs="$noconfigdirs target-libiberty"
520 ;;
521 arm*-*-symbianelf*)
522 noconfigdirs="$noconfigdirs target-libiberty"
523 ;;
524 avr-*-*)
525 noconfigdirs="$noconfigdirs target-libiberty"
526 ;;
527 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
528 noconfigdirs="$noconfigdirs target-libiberty"
529 ;;
530 picochip-*-*)
531 noconfigdirs="$noconfigdirs target-libiberty"
532 ;;
533 mips*-sde-elf*)
534 skipdirs="$skipdirs target-libiberty"
535 ;;
536 ip2k-*-*)
537 noconfigdirs="$noconfigdirs target-libiberty"
538 ;;
539esac
540
541# Disable libstdc++-v3 for some systems.
542case "${target}" in
543 *-*-vxworks*)
544 # VxWorks uses the Dinkumware C++ library.
545 noconfigdirs="$noconfigdirs target-libstdc++-v3"
546 ;;
547 arm*-wince-pe*)
548 # the C++ libraries don't build on top of CE's C libraries
549 noconfigdirs="$noconfigdirs target-libstdc++-v3"
550 ;;
551 avr-*-*)
552 noconfigdirs="$noconfigdirs target-libstdc++-v3"
553 ;;
554esac
555
556# Disable Fortran for some systems.
557case "${target}" in
558 mmix-*-*)
559 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
560 unsupported_languages="$unsupported_languages fortran"
561 ;;
562esac
563
691bb5a1
DD		 564# Default libgloss CPU subdirectory.
565libgloss_dir="$target_cpu"
4b1cb4fe 566
252b5132 567case "${target}" in
75205f78 568 *-*-chorusos)
b2f14e4a 569 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
75205f78 570 ;;
24741ab2 571 powerpc-*-darwin*)
9d39db92 572 noconfigdirs="$noconfigdirs ld gas gdb gprof"
4e3fc8e5 573 noconfigdirs="$noconfigdirs sim target-rda"
b3f16a9b 574 ;;
85bd1942
TG		 575 i[[3456789]]86-*-darwin*)
576 noconfigdirs="$noconfigdirs ld gprof"
577 noconfigdirs="$noconfigdirs sim target-rda"
578 ;;
e8a5fa9c 579 x86_64-*-darwin[[912]]*)
652dec25
TG		 580 noconfigdirs="$noconfigdirs ld gas gprof"
581 noconfigdirs="$noconfigdirs sim target-rda"
582 ;;
04d1ab34 583 *-*-darwin*)
d320aacb 584 noconfigdirs="$noconfigdirs ld gas gdb gprof"
4e3fc8e5 585 noconfigdirs="$noconfigdirs sim target-rda"
54d1c879 586 noconfigdirs="$noconfigdirs ${libgcj}"
04d1ab34 587 ;;
5b806d27
NC		 588 *-*-dragonfly*)
589 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
590 ;;
de0b4a87 591 *-*-freebsd*)
4b1cb4fe
DD		 592 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
593 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
594 && test -f /usr/local/include/gmp.h; then
595 with_gmp=/usr/local
596 fi
597
598 # Skip some stuff that's unsupported on some FreeBSD configurations.
599 case "${target}" in
600 i*86-*-*) ;;
601 alpha*-*-*) ;;
143754cd 602 x86_64-*-*) ;;
4b1cb4fe 603 *)
54d1c879 604 noconfigdirs="$noconfigdirs ${libgcj}"
4b1cb4fe
DD		 605 ;;
606 esac
607 ;;
f8a495c8
NC		 608 *-*-kaos*)
609 # Remove unsupported stuff on all kaOS configurations.
f8a495c8
NC		 610 noconfigdirs="$noconfigdirs target-libgloss"
611 ;;
e82380cc
JT		 612 *-*-netbsd*)
613 # Skip some stuff on all NetBSD configurations.
065a5627 614 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
e82380cc
JT		 615
616 # Skip some stuff that's unsupported on some NetBSD configurations.
617 case "${target}" in
75205f78 618 i*86-*-netbsdelf*) ;;
5b474aa8 619 arm*-*-netbsdelf*) ;;
e82380cc 620 *)
54d1c879 621 noconfigdirs="$noconfigdirs ${libgcj}"
e82380cc
JT		 622 ;;
623 esac
624 ;;
2a3124ca 625 *-*-netware*)
065a5627 626 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
252b5132
RH		 627 ;;
628 *-*-rtems*)
54d1c879 629 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
252b5132 630 ;;
1587117a
EC		 631 # The tpf target doesn't support gdb yet.
632 *-*-tpf*)
065a5627 633 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj} gdb tcl tk libgui itcl"
1587117a 634 ;;
c1968181 635 *-*-uclinux*)
54d1c879 636 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
c1968181 637 ;;
252b5132 638 *-*-vxworks*)
065a5627 639 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
252b5132
RH		 640 ;;
641 alpha*-dec-osf*)
e99daf2b 642 # ld works, but does not support shared libraries.
0377a422 643 # newlib is not 64 bit ready.
252b5132 644 # gas doesn't generate exception information.
0377a422 645 noconfigdirs="$noconfigdirs gas ld target-newlib target-libgloss"
252b5132
RH		 646 ;;
647 alpha*-*-*vms*)
d594eacc 648 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
75205f78
DD		 649 ;;
650 alpha*-*-linux*)
651 # newlib is not 64 bit ready
652 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
252b5132
RH		 653 ;;
654 alpha*-*-*)
655 # newlib is not 64 bit ready
54d1c879 656 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
252b5132 657 ;;
4a18bd6b 658 am33_2.0-*-linux*)
54d1c879 659 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
4a18bd6b 660 ;;
75205f78 661 sh-*-linux*)
54d1c879 662 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
75205f78 663 ;;
2fb651f6 664 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
54d1c879 665 noconfigdirs="$noconfigdirs ${libgcj}"
675c6968 666 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
ae03d6e2 667 noconfigdirs="$noconfigdirs target-newlib"
691bb5a1 668 libgloss_dir=wince
2fb651f6 669 ;;
252b5132 670 arc-*-*)
782cb41f 671 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 672 ;;
93cc359e 673 arm-*-coff)
691bb5a1 674 libgloss_dir=arm
f03b4789 675 ;;
93cc359e 676 arm-*-elf* | arm*-*-eabi* )
0377a422 677 noconfigdirs="$noconfigdirs target-libffi"
691bb5a1 678 libgloss_dir=arm
f03b4789 679 ;;
bd70a46f 680 arm*-*-linux-gnueabi)
a5b3b4dd
DD		 681 case ${with_newlib} in
682 no) noconfigdirs="$noconfigdirs target-newlib target-libgloss"
683 esac
691bb5a1 684 libgloss_dir=arm
bd70a46f 685 ;;
df4a6958 686 arm*-*-symbianelf*)
065a5627 687 noconfigdirs="$noconfigdirs ${libgcj}"
691bb5a1 688 libgloss_dir=arm
df4a6958 689 ;;
252b5132 690 arm-*-pe*)
54d1c879 691 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
252b5132 692 ;;
252b5132 693 arm-*-riscix*)
b2f14e4a 694 noconfigdirs="$noconfigdirs ld target-libgloss"
252b5132 695 ;;
c95f53ae 696 avr-*-*)
065a5627 697 noconfigdirs="$noconfigdirs ${libgcj}"
c95f53ae 698 ;;
376a0e54 699 bfin-*-*)
df51e4e1 700 unsupported_languages="$unsupported_languages java"
7837304f 701 noconfigdirs="$noconfigdirs target-boehm-gc"
376a0e54 702 ;;
ff72e302 703 c4x-*-* | tic4x-*-*)
b2f14e4a 704 noconfigdirs="$noconfigdirs target-libgloss"
077b8428 705 ;;
b2f14e4a
JM		 706 tic54x-*-*)
707 noconfigdirs="$noconfigdirs target-libgloss gdb"
75205f78 708 ;;
52310858
NC		 709 cr16-*-*)
710 noconfigdirs="$noconfigdirs ${libgcj} gdb"
711 ;;
c7e66c6d 712 cris-*-* | crisv32-*-*)
59f7ec45 713 unsupported_languages="$unsupported_languages java"
c7e66c6d 714 case "${target}" in
2faa2958 715 *-*-linux*)
5e818318 716 noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
b2f14e4a
JM		 717 *) # See PR46792 regarding target-libffi.
718 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
c7e66c6d 719 esac
691bb5a1 720 libgloss_dir=cris
077b8428 721 ;;
252b5132 722 d10v-*-*)
b2f14e4a 723 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 724 ;;
252b5132 725 d30v-*-*)
b2f14e4a 726 noconfigdirs="$noconfigdirs gdb"
252b5132 727 ;;
252b5132 728 fr30-*-elf*)
54d1c879 729 noconfigdirs="$noconfigdirs ${libgcj} gdb"
252b5132 730 ;;
d2a86414 731 frv-*-*)
54d1c879 732 noconfigdirs="$noconfigdirs ${libgcj}"
d2a86414 733 ;;
20135e4c
NC		 734 moxie-*-*)
735 noconfigdirs="$noconfigdirs ${libgcj}"
736 noconfigdirs="$noconfigdirs gprof"
737 ;;
dd1e52a4 738 h8300*-*-*)
54d1c879 739 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
dd1e52a4 740 ;;
252b5132 741 h8500-*-*)
b2f14e4a 742 noconfigdirs="$noconfigdirs target-libgloss"
75205f78 743 ;;
caeba88f 744 hppa1.1-*-osf* | hppa1.1-*-bsd* )
caeba88f 745 ;;
93cc359e 746 hppa*64*-*-linux*)
75205f78
DD		 747 # In this case, it's because the hppa64-linux target is for
748 # the kernel only at this point and has no libc, and thus no
749 # headers, crt*.o, etc., all of which are needed by these.
750 noconfigdirs="$noconfigdirs target-zlib"
252b5132 751 ;;
f0ff0f90 752 hppa*-*-linux*)
5dcac624 753 ;;
252b5132 754 hppa*-*-*elf* | \
09e90eb4 755 hppa*-*-lites* | \
17240c1f 756 hppa*-*-openbsd* | \
09e90eb4 757 hppa*64*-*-*)
54d1c879 758 noconfigdirs="$noconfigdirs ${libgcj}"
4f0ef2d8
CD		 759 ;;
760 hppa*-hp-hpux11*)
0377a422 761 noconfigdirs="$noconfigdirs ld"
252b5132 762 ;;
691bb5a1
DD		 763 hppa*-*-pro*)
764 libgloss_dir=pa
765 ;;
252b5132 766 hppa*-*-*)
b3ed1d6b
AO		 767 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
768 # build on HP-UX 10.20.
0377a422 769 noconfigdirs="$noconfigdirs ld ${libgcj}"
252b5132 770 ;;
b07c2aad 771 i960-*-*)
b2f14e4a 772 noconfigdirs="$noconfigdirs gdb"
b07c2aad 773 ;;
2315914d
JW		 774 ia64*-*-elf*)
775 # No gdb support yet.
0377a422 776 noconfigdirs="$noconfigdirs readline libgui itcl gdb"
2315914d 777 ;;
a0c1c920 778 ia64*-**-hpux*)
92c9a463
JB		 779 # No ld support yet.
780 noconfigdirs="$noconfigdirs ${libgcj} libgui itcl ld"
a0c1c920 781 ;;
19e99079
NC		 782 ia64*-*-*vms*)
783 # No gdb or ld support yet.
0377a422 784 noconfigdirs="$noconfigdirs ${libgcj} readline libgui itcl gdb ld"
19e99079 785 ;;
ec11bdc6 786 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
54d1c879 787 noconfigdirs="$noconfigdirs ${libgcj}"
691bb5a1 788 libgloss_dir=i386
252b5132 789 ;;
ec11bdc6 790 i[[3456789]]86-*-linux*)
c72f388d
TF		 791 # This section makes it possible to build newlib natively on linux.
792 # If we are using a cross compiler then don't configure newlib.
a018e15b 793 if test x${is_cross_compiler} != xno ; then
bba45b8b 794 noconfigdirs="$noconfigdirs target-newlib"
c72f388d
TF		 795 fi
796 noconfigdirs="$noconfigdirs target-libgloss"
797 # If we are not using a cross compiler, do configure newlib.
798 # Note however, that newlib will only be configured in this situation
799 # if the --with-newlib option has been given, because otherwise
800 # 'target-newlib' will appear in skipdirs.
c72f388d 801 ;;
1f53ca9a 802 i[[3456789]]86-w64-mingw*)
0377a422 803 noconfigdirs="$noconfigdirs target-libgloss target-newlib ${libgcj}"
1f53ca9a
AO		 804 ;;
805 i[[3456789]]86-*-mingw*)
45055374 806 target_configdirs="$target_configdirs target-winsup"
0377a422 807 noconfigdirs="$noconfigdirs target-libgloss target-newlib ${libgcj}"
1f53ca9a 808 ;;
80f6dcbc 809 x86_64-*-mingw*)
0377a422 810 noconfigdirs="$noconfigdirs target-libgloss target-newlib ${libgcj}"
1f53ca9a 811 ;;
252b5132
RH		 812 *-*-cygwin*)
813 target_configdirs="$target_configdirs target-libtermcap target-winsup"
0377a422 814 noconfigdirs="$noconfigdirs target-libgloss"
b76d7de0 815 # always build newlib if winsup directory is present.
45055374 816 if test -d "$srcdir/winsup/cygwin"; then
b76d7de0 817 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
ac0fa625 818 elif test -d "$srcdir/newlib"; then
45055374 819 echo "Warning: winsup/cygwin is missing so newlib can't be built."
b76d7de0 820 fi
1f53ca9a 821 ;;
f0ff0f90 822 i[[3456789]]86-*-interix* )
caeba88f 823 ;;
ec11bdc6 824 i[[3456789]]86-*-pe)
782cb41f 825 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 826 ;;
ec11bdc6 827 i[[3456789]]86-*-sco3.2v5*)
252b5132
RH		 828 # The linker does not yet know about weak symbols in COFF,
829 # and is not configured to handle mixed ELF and COFF.
b2f14e4a 830 noconfigdirs="$noconfigdirs ld target-libgloss"
252b5132 831 ;;
ec11bdc6 832 i[[3456789]]86-*-sco*)
b2f14e4a 833 noconfigdirs="$noconfigdirs gprof target-libgloss"
252b5132 834 ;;
ec11bdc6 835 i[[3456789]]86-*-solaris2*)
252b5132
RH		 836 noconfigdirs="$noconfigdirs target-libgloss"
837 ;;
ec11bdc6 838 i[[3456789]]86-*-sysv4*)
b2f14e4a 839 noconfigdirs="$noconfigdirs target-libgloss"
252b5132 840 ;;
ec11bdc6 841 i[[3456789]]86-*-beos*)
b2f14e4a 842 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
bba45b8b 843 ;;
b59bea8a 844 i[[3456789]]86-*-rdos*)
80911fe1
PB		 845 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
846 ;;
b07c2aad 847 m32r-*-*)
54d1c879 848 noconfigdirs="$noconfigdirs ${libgcj}"
b07c2aad 849 ;;
75205f78 850 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
691bb5a1 851 libgloss_dir=m68hc11
f9e0997d 852 ;;
75205f78 853 m68k-*-elf*)
54d1c879 854 noconfigdirs="$noconfigdirs ${libgcj}"
252b5132 855 ;;
691bb5a1
DD		 856 m68*-*-* | fido-*-*)
857 libgloss_dir=m68k
858 ;;
75205f78 859 mmix-*-*)
b2f14e4a 860 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc gdb"
065a5627 861 unsupported_languages="$unsupported_languages java"
75205f78 862 ;;
4970f871 863 mt-*-*)
cdb9b172
AH		 864 noconfigdirs="$noconfigdirs sim"
865 ;;
252b5132
RH		 866 powerpc-*-aix*)
867 # copied from rs6000-*-* entry
065a5627 868 noconfigdirs="$noconfigdirs gprof target-libgloss target-newlib ${libgcj}"
252b5132 869 ;;
93cc359e 870 powerpc*-*-winnt* | powerpc*-*-pe*)
252b5132 871 target_configdirs="$target_configdirs target-winsup"
b2f14e4a 872 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl"
252b5132
RH		 873 # always build newlib.
874 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
875 ;;
876 # This is temporary until we can link against shared libraries
877 powerpcle-*-solaris*)
b2f14e4a 878 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
691bb5a1 879 libgloss_dir=rs6000
ba73c63f
JM		 880 ;;
881 powerpc-*-beos*)
b2f14e4a 882 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
252b5132
RH		 883 ;;
884 powerpc-*-eabi)
54d1c879 885 noconfigdirs="$noconfigdirs ${libgcj}"
691bb5a1 886 libgloss_dir=rs6000
caeba88f
AL		 887 ;;
888 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
691bb5a1 889 libgloss_dir=rs6000
252b5132
RH		 890 ;;
891 rs6000-*-lynxos*)
54d1c879 892 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
252b5132
RH		 893 ;;
894 rs6000-*-aix*)
065a5627 895 noconfigdirs="$noconfigdirs gprof target-libgloss target-newlib ${libgcj}"
252b5132
RH		 896 ;;
897 rs6000-*-*)
54d1c879 898 noconfigdirs="$noconfigdirs gprof ${libgcj}"
252b5132
RH		 899 ;;
900 m68k-apollo-*)
b2f14e4a 901 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
252b5132 902 ;;
25a07265 903 microblaze*)
065a5627 904 noconfigdirs="$noconfigdirs gprof ${libgcj}"
25a07265 905 ;;
5bd8be13 906 mips*-sde-elf*)
5bd8be13
RS		 907 noconfigdirs="$noconfigdirs ${libgcj}"
908 if test x$with_newlib = xyes; then
909 noconfigdirs="$noconfigdirs gprof"
910 fi
911 libgloss_dir=mips
912 ;;
252b5132 913 mips*-*-irix5*)
b2f14e4a 914 noconfigdirs="$noconfigdirs gprof target-libgloss"
252b5132
RH		 915 ;;
916 mips*-*-irix6*)
b3ed1d6b
AO		 917 # Linking libjava exceeds command-line length limits on at least
918 # IRIX 6.2, but not on IRIX 6.5.
919 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
920 # <oldham@codesourcery.com>
54d1c879 921 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
252b5132 922 ;;
252b5132 923 mips*-*-bsd*)
b2f14e4a 924 noconfigdirs="$noconfigdirs gprof target-libgloss"
252b5132 925 ;;
fad93c55 926 mips*-*-linux*)
574e6d11 927 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
fad93c55 928 ;;
252b5132 929 mips*-*-*)
54d1c879 930 noconfigdirs="$noconfigdirs gprof ${libgcj}"
691bb5a1 931 libgloss_dir=mips
252b5132 932 ;;
dbf85af7 933 sh-*-* | sh64-*-*)
e8a5fa9c
RW		 934 case "${target}" in
935 sh*-*-elf)
936 noconfigdirs="$noconfigdirs ${libgcj}" ;;
937 *)
938 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}" ;;
939 esac
252b5132 940 ;;
691bb5a1
DD		 941 sparclet-*-aout* | sparc86x-*-*)
942 libgloss_dir=sparc
943 ;;
252b5132 944 sparc-*-elf*)
54d1c879 945 noconfigdirs="$noconfigdirs ${libgcj}"
252b5132
RH		 946 ;;
947 sparc64-*-elf*)
54d1c879 948 noconfigdirs="$noconfigdirs ${libgcj}"
691bb5a1 949 libgloss_dir=sparc
252b5132
RH		 950 ;;
951 sparclite-*-*)
691bb5a1 952 libgloss_dir=sparc
252b5132
RH		 953 ;;
954 sparc-*-sunos4*)
a0c4f3a0 955 if test x${is_cross_compiler} != xno ; then
c74222f7 956 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
252b5132
RH		 957 else
958 use_gnu_ld=no
959 fi
960 ;;
3a036cdc 961 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
b3ed1d6b 962 ;;
619a3713
JM		 963 tic6x-*-*)
964 noconfigdirs="$noconfigdirs gdb sim ${libgcj}"
965 ;;
252b5132 966 v810-*-*)
b2f14e4a 967 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
252b5132
RH		 968 ;;
969 vax-*-*)
54d1c879 970 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
96ce09a7 971 ;;
29383458 972 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
574e6d11
DD		 973 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
974 ;;
252b5132 975 *-*-lynxos*)
54d1c879 976 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
252b5132 977 ;;
75205f78 978 *-*-*)
54d1c879 979 noconfigdirs="$noconfigdirs ${libgcj}"
75205f78 980 ;;
252b5132
RH		 981esac
982
983# If we aren't building newlib, then don't build libgloss, since libgloss
984# depends upon some newlib header files.
985case "${noconfigdirs}" in
986 *target-libgloss*) ;;
987 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
f48556b1 988esac
252b5132 989
f48556b1 990# Work in distributions that contain no compiler tools, like Autoconf.
a0da8069 991host_makefile_frag=/dev/null
f48556b1
DD		 992if test -d ${srcdir}/config ; then
993case "${host}" in
ec11bdc6 994 i[[3456789]]86-*-msdosdjgpp*)
f48556b1
DD		 995 host_makefile_frag="config/mh-djgpp"
996 ;;
997 *-cygwin*)
e33b51a6 998 ACX_CHECK_CYGWIN_CAT_WORKS
f48556b1
DD		 999 host_makefile_frag="config/mh-cygwin"
1000 ;;
8a1599ab 1001 *-mingw*)
84e7906e 1002 host_makefile_frag="config/mh-mingw"
80f6dcbc 1003 ;;
f48556b1
DD		 1004 *-interix*)
1005 host_makefile_frag="config/mh-interix"
1006 ;;
da888c87 1007 hppa*-hp-hpux10*)
da888c87 1008 host_makefile_frag="config/mh-pa-hpux10"
f48556b1 1009 ;;
3516a403 1010 hppa*-hp-hpux*)
da888c87
PB		 1011 host_makefile_frag="config/mh-pa"
1012 ;;
1013 hppa*-*)
1014 host_makefile_frag="config/mh-pa"
1015 ;;
e552509b
ILT		 1016 *-*-darwin*)
1017 host_makefile_frag="config/mh-darwin"
0df3d27f 1018 ;;
f6d183c0
PB		 1019 powerpc-*-aix*)
1020 host_makefile_frag="config/mh-ppc-aix"
1021 ;;
1022 rs6000-*-aix*)
1023 host_makefile_frag="config/mh-ppc-aix"
1024 ;;
f48556b1
DD		 1025esac
1026fi
1027
9e07f89d 1028if test "${build}" != "${host}" ; then
b5714970
PB		 1029 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1030 AS_FOR_BUILD=${AS_FOR_BUILD-as}
9e07f89d 1031 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
b5714970
PB		 1032 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1033 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1034 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
e552509b 1035 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
b5714970
PB		 1036 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1037 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1038 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1039 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1040 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1041 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
9e07f89d 1042else
b5714970
PB		 1043 AR_FOR_BUILD="\$(AR)"
1044 AS_FOR_BUILD="\$(AS)"
9e07f89d 1045 CC_FOR_BUILD="\$(CC)"
b5714970
PB		 1046 CXX_FOR_BUILD="\$(CXX)"
1047 GCJ_FOR_BUILD="\$(GCJ)"
1048 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
e552509b 1049 GOC_FOR_BUILD="\$(GOC)"
b5714970
PB		 1050 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1051 LD_FOR_BUILD="\$(LD)"
1052 NM_FOR_BUILD="\$(NM)"
1053 RANLIB_FOR_BUILD="\$(RANLIB)"
1054 WINDRES_FOR_BUILD="\$(WINDRES)"
1055 WINDMC_FOR_BUILD="\$(WINDMC)"
24ff9987 1056fi
9e07f89d 1057
24ff9987
DJ		 1058AC_PROG_CC
1059AC_PROG_CXX
1060
1061# We must set the default linker to the linker used by gcc for the correct
1062# operation of libtool. If LD is not defined and we are using gcc, try to
1063# set the LD default to the ld used by gcc.
1064if test -z "$LD"; then
1065 if test "$GCC" = yes; then
1066 case $build in
1067 *-*-mingw*)
1068 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1069 *)
1070 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1071 esac
1072 case $gcc_prog_ld in
1073 # Accept absolute paths.
1074 [[\\/]* | [A-Za-z]:[\\/]*)]
1075 LD="$gcc_prog_ld" ;;
1076 esac
1077 fi
9e07f89d
NN		 1078fi
1079
1080ACX_PROG_GNAT
b8908782 1081ACX_PROG_CMP_IGNORE_INITIAL
9e07f89d 1082
e8a5fa9c
RW		 1083# See if we are building gcc with C++.
1084AC_ARG_ENABLE(build-with-cxx,
7837304f
AS		 1085[AS_HELP_STRING([--enable-build-with-cxx],
1086 [build with C++ compiler instead of C compiler])],
e8a5fa9c
RW		 1087ENABLE_BUILD_WITH_CXX=$enableval,
1088ENABLE_BUILD_WITH_CXX=no)
1089
d5f2ee2e
KG		 1090# Used for setting $lt_cv_objdir
1091_LT_CHECK_OBJDIR
1092
e8a5fa9c 1093# Check for GMP, MPFR and MPC
d9b76ff9 1094gmplibs="-lmpc -lmpfr -lgmp"
4b1cb4fe 1095gmpinc=
4b900473 1096have_gmp=no
e8a5fa9c
RW		 1097
1098# Specify a location for mpc
1099# check for this first so it ends up on the link line before mpfr.
7837304f
AS		 1100AC_ARG_WITH(mpc,
1101[AS_HELP_STRING([--with-mpc=PATH],
1102 [specify prefix directory for installed MPC package.
1103 Equivalent to --with-mpc-include=PATH/include
1104 plus --with-mpc-lib=PATH/lib])])
1105AC_ARG_WITH(mpc-include,
1106[AS_HELP_STRING([--with-mpc-include=PATH],
1107 [specify directory for installed MPC include files])])
1108AC_ARG_WITH(mpc-lib,
1109[AS_HELP_STRING([--with-mpc-lib=PATH],
1110 [specify directory for the installed MPC library])])
e8a5fa9c
RW		 1111
1112if test "x$with_mpc" != x; then
d9b76ff9
KG		 1113 gmplibs="-L$with_mpc/lib $gmplibs"
1114 gmpinc="-I$with_mpc/include $gmpinc"
e8a5fa9c
RW		 1115fi
1116if test "x$with_mpc_include" != x; then
d9b76ff9 1117 gmpinc="-I$with_mpc_include $gmpinc"
e8a5fa9c
RW		 1118fi
1119if test "x$with_mpc_lib" != x; then
d9b76ff9 1120 gmplibs="-L$with_mpc_lib $gmplibs"
e8a5fa9c
RW		 1121fi
1122if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
d5f2ee2e 1123 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
d9b76ff9 1124 gmpinc='-I$$s/mpc/src '"$gmpinc"
e8a5fa9c
RW		 1125 # Do not test the mpc version. Assume that it is sufficient, since
1126 # it is in the source tree, and the library has not been built yet
1127 # but it would be included on the link line in the version check below
1128 # hence making the test fail.
d9b76ff9 1129 have_gmp=yes
e8a5fa9c 1130fi
4b900473 1131
11b04d1f
DD		 1132# Specify a location for mpfr
1133# check for this first so it ends up on the link line before gmp.
7837304f
AS		 1134AC_ARG_WITH(mpfr-dir,
1135[AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1136[AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1137Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1138
1139AC_ARG_WITH(mpfr,
1140[AS_HELP_STRING([--with-mpfr=PATH],
1141 [specify prefix directory for installed MPFR package.
1142 Equivalent to --with-mpfr-include=PATH/include
1143 plus --with-mpfr-lib=PATH/lib])])
1144AC_ARG_WITH(mpfr-include,
1145[AS_HELP_STRING([--with-mpfr-include=PATH],
1146 [specify directory for installed MPFR include files])])
1147AC_ARG_WITH(mpfr-lib,
1148[AS_HELP_STRING([--with-mpfr-lib=PATH],
1149 [specify directory for the installed MPFR library])])
11b04d1f
DD		 1150
1151if test "x$with_mpfr" != x; then
1152 gmplibs="-L$with_mpfr/lib $gmplibs"
d9b76ff9 1153 gmpinc="-I$with_mpfr/include $gmpinc"
11b04d1f 1154fi
8a0d8a5c 1155if test "x$with_mpfr_include" != x; then
d9b76ff9 1156 gmpinc="-I$with_mpfr_include $gmpinc"
8a0d8a5c
PB		 1157fi
1158if test "x$with_mpfr_lib" != x; then
1159 gmplibs="-L$with_mpfr_lib $gmplibs"
1160fi
4b900473 1161if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
d5f2ee2e 1162 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
4b900473 1163 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
d5f2ee2e 1164 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
4b900473
PB		 1165 # Do not test the mpfr version. Assume that it is sufficient, since
1166 # it is in the source tree, and the library has not been built yet
1167 # but it would be included on the link line in the version check below
1168 # hence making the test fail.
1169 have_gmp=yes
1170fi
11b04d1f 1171
4b1cb4fe 1172# Specify a location for gmp
7837304f
AS		 1173AC_ARG_WITH(gmp-dir,
1174[AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1175[AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1176Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1177
1178AC_ARG_WITH(gmp,
1179[AS_HELP_STRING([--with-gmp=PATH],
1180 [specify prefix directory for the installed GMP package.
1181 Equivalent to --with-gmp-include=PATH/include
1182 plus --with-gmp-lib=PATH/lib])])
1183AC_ARG_WITH(gmp-include,
1184[AS_HELP_STRING([--with-gmp-include=PATH],
1185 [specify directory for installed GMP include files])])
1186AC_ARG_WITH(gmp-lib,
1187[AS_HELP_STRING([--with-gmp-lib=PATH],
1188 [specify directory for the installed GMP library])])
4b1cb4fe 1189
4b1cb4fe 1190
11b04d1f
DD		 1191if test "x$with_gmp" != x; then
1192 gmplibs="-L$with_gmp/lib $gmplibs"
1193 gmpinc="-I$with_gmp/include $gmpinc"
4b1cb4fe 1194fi
8a0d8a5c
PB		 1195if test "x$with_gmp_include" != x; then
1196 gmpinc="-I$with_gmp_include $gmpinc"
1197fi
1198if test "x$with_gmp_lib" != x; then
1199 gmplibs="-L$with_gmp_lib $gmplibs"
1200fi
4b900473 1201if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
d5f2ee2e 1202 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
4b900473 1203 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
29821356 1204 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
d5f2ee2e 1205 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
4b900473
PB		 1206 # Do not test the gmp version. Assume that it is sufficient, since
1207 # it is in the source tree, and the library has not been built yet
1208 # but it would be included on the link line in the version check below
1209 # hence making the test fail.
1210 have_gmp=yes
1211fi
4b1cb4fe 1212
ceb92e78 1213if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
4b900473
PB		 1214 have_gmp=yes
1215 saved_CFLAGS="$CFLAGS"
1216 CFLAGS="$CFLAGS $gmpinc"
a6b5846e
KG		 1217 # Check for the recommended and required versions of GMP.
1218 AC_MSG_CHECKING([for the correct version of gmp.h])
4b900473 1219 AC_TRY_COMPILE([#include "gmp.h"],[
a6b5846e
KG		 1220 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1221 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1222 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,0)
9dbaa842 1223 choke me
4b900473 1224 #endif
a009f2e7 1225 ], [AC_TRY_COMPILE([#include <gmp.h>],[
a6b5846e
KG		 1226 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1227 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1228 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1229 choke me
1230 #endif
a009f2e7 1231 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
a6b5846e 1232 [AC_MSG_RESULT([no]); have_gmp=no])
4b900473 1233
e8a5fa9c 1234 # If we have GMP, check the MPFR version.
4b900473 1235 if test x"$have_gmp" = xyes; then
a6b5846e
KG		 1236 # Check for the recommended and required versions of MPFR.
1237 AC_MSG_CHECKING([for the correct version of mpfr.h])
e8a5fa9c 1238 AC_TRY_COMPILE([#include <gmp.h>
4b900473 1239 #include <mpfr.h>],[
ef699244 1240 #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,1)
4b900473
PB		 1241 choke me
1242 #endif
a009f2e7 1243 ], [AC_TRY_COMPILE([#include <gmp.h>
e8a5fa9c 1244 #include <mpfr.h>],[
a6b5846e 1245 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
e8a5fa9c
RW		 1246 choke me
1247 #endif
a009f2e7 1248 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
e8a5fa9c
RW		 1249 [AC_MSG_RESULT([no]); have_gmp=no])
1250 fi
1251
1252 # Check for the MPC header version.
d9b76ff9 1253 if test x"$have_gmp" = xyes ; then
a6b5846e 1254 # Check for the recommended and required versions of MPC.
e8a5fa9c
RW		 1255 AC_MSG_CHECKING([for the correct version of mpc.h])
1256 AC_TRY_COMPILE([#include <mpc.h>],[
a6b5846e 1257 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
e8a5fa9c
RW		 1258 choke me
1259 #endif
a009f2e7 1260 ], [AC_TRY_COMPILE([#include <mpc.h>],[
a6b5846e
KG		 1261 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1262 choke me
1263 #endif
a009f2e7 1264 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
a6b5846e 1265 [AC_MSG_RESULT([no]); have_gmp=no])
e8a5fa9c
RW		 1266 fi
1267
1268 # Now check the MPFR library.
1269 if test x"$have_gmp" = xyes; then
1270 saved_LIBS="$LIBS"
1271 LIBS="$LIBS $gmplibs"
d9b76ff9
KG		 1272 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1273 AC_TRY_LINK([#include <mpc.h>],[
a3ca38d2
DD		 1274 mpfr_t n;
1275 mpfr_t x;
d9b76ff9 1276 mpc_t c;
4b900473 1277 int t;
a3ca38d2
DD		 1278 mpfr_init (n);
1279 mpfr_init (x);
4b900473
PB		 1280 mpfr_atan2 (n, n, x, GMP_RNDN);
1281 mpfr_erfc (n, x, GMP_RNDN);
1282 mpfr_subnormalize (x, t, GMP_RNDN);
d9b76ff9
KG		 1283 mpfr_clear(n);
1284 mpfr_clear(x);
1285 mpc_init2 (c, 53);
1286 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1287 mpc_cosh (c, c, MPC_RNDNN);
1288 mpc_pow (c, c, c, MPC_RNDNN);
1289 mpc_acosh (c, c, MPC_RNDNN);
1290 mpc_clear (c);
e8a5fa9c
RW		 1291 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1292 LIBS="$saved_LIBS"
4b900473 1293 fi
e8a5fa9c 1294
4b900473 1295 CFLAGS="$saved_CFLAGS"
4b1cb4fe 1296
a6b5846e
KG		 1297# The library versions listed in the error message below should match
1298# the HARD-minimums enforced above.
4b900473 1299 if test x$have_gmp != xyes; then
a6b5846e 1300 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.3.1+ and MPC 0.8.0+.
d9b76ff9
KG		 1301Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1302their locations. Source code for these libraries can be found at
1303their respective hosting sites as well as at
1304ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1305http://gcc.gnu.org/install/prerequisites.html for additional info. If
1306you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1307make sure that you have installed both the libraries and the header
1308files. They may be located in separate packages.])
4b900473 1309 fi
9dbaa842
DD		 1310fi
1311
e8a5fa9c 1312# Flags needed for both GMP, MPFR and/or MPC.
4b1cb4fe
DD		 1313AC_SUBST(gmplibs)
1314AC_SUBST(gmpinc)
e8a5fa9c
RW		 1315AC_SUBST(extra_mpfr_configure_flags)
1316AC_SUBST(extra_mpc_gmp_configure_flags)
1317AC_SUBST(extra_mpc_mpfr_configure_flags)
4b1cb4fe 1318
29383458 1319# Allow host libstdc++ to be specified for static linking with PPL.
7837304f
AS		 1320AC_ARG_WITH(host-libstdcxx,
1321[AS_HELP_STRING([--with-host-libstdcxx=L],
1322 [use linker arguments L to link with libstdc++
1323 when linking with PPL])])
29383458
JM		 1324
1325case $with_host_libstdcxx in
1326 no|yes)
1327 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1328 ;;
1329esac
e28c595f 1330
e8a5fa9c
RW		 1331# Linker flags to use for stage1 or when not boostrapping.
1332AC_ARG_WITH(stage1-ldflags,
7837304f 1333[AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
e8a5fa9c
RW		 1334[if test "$withval" = "no" -o "$withval" = "yes"; then
1335 stage1_ldflags=
1336 else
1337 stage1_ldflags=$withval
1338 fi],
1339[stage1_ldflags=])
1340AC_SUBST(stage1_ldflags)
1341
1342# Libraries to use for stage1 or when not bootstrapping.
1343AC_ARG_WITH(stage1-libs,
7837304f 1344[AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
e8a5fa9c
RW		 1345[if test "$withval" = "no" -o "$withval" = "yes"; then
1346 stage1_libs=
1347 else
1348 stage1_libs=$withval
1349 fi],
1350[stage1_libs=$with_host_libstdcxx])
1351AC_SUBST(stage1_libs)
1352
e8a5fa9c
RW		 1353# Libraries to use for stage2 and later builds. This defaults to the
1354# argument passed to --with-host-libstdcxx.
1355AC_ARG_WITH(boot-libs,
7837304f 1356[AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
e8a5fa9c
RW		 1357[if test "$withval" = "no" -o "$withval" = "yes"; then
1358 poststage1_libs=
1359 else
1360 poststage1_libs=$withval
1361 fi],
1362[poststage1_libs=$with_host_libstdcxx])
1363AC_SUBST(poststage1_libs)
1364
143754cd
NC		 1365# Linker flags to use for stage2 and later builds.
1366AC_ARG_WITH(boot-ldflags,
7837304f
AS		 1367[AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1368 [linker flags for stage2 and later])],
143754cd
NC		 1369[if test "$withval" = "no" -o "$withval" = "yes"; then
1370 poststage1_ldflags=
1371 else
1372 poststage1_ldflags=$withval
1373 fi],
1374[poststage1_ldflags=
4f11b223
ILT		 1375 # In stages 2 and 3, default to linking libstdc++ and libgcc
1376 # statically. But if the user explicitly specified the libraries to
1377 # use, trust that they are doing what they want.
1378 if test "$poststage1_libs" = ""; then
143754cd
NC		 1379 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1380 fi])
1381AC_SUBST(poststage1_ldflags)
1382
e28c595f 1383# Check for PPL
b123da99 1384ppllibs=
e28c595f 1385pplinc=
b123da99 1386pwllib=
e28c595f 1387
7837304f
AS		 1388AC_ARG_WITH(ppl,
1389[AS_HELP_STRING([--with-ppl=PATH],
1390 [specify prefix directory for the installed PPL package.
1391 Equivalent to --with-ppl-include=PATH/include
1392 plus --with-ppl-lib=PATH/lib])])
1393AC_ARG_WITH(ppl-include,
1394[AS_HELP_STRING([--with-ppl-include=PATH],
1395 [specify directory for installed PPL include files])])
1396AC_ARG_WITH(ppl-lib,
1397[AS_HELP_STRING([--with-ppl-lib=PATH],
1398 [specify directory for the installed PPL library])])
e28c595f 1399
b123da99
SP		 1400AC_ARG_ENABLE(ppl-version-check,
1401[AS_HELP_STRING([--disable-ppl-version-check],
1402 [disable check for PPL version])])
1403
1404case $with_ppl in
1405 yes | no | "")
1f53ca9a 1406 ;;
29383458 1407 *)
b123da99 1408 ppllibs="-L$with_ppl/lib"
29383458 1409 pplinc="-I$with_ppl/include $pplinc"
b123da99
SP		 1410 if test -d "$with_ppl/lib" && test -d "$with_ppl/include"; then
1411 with_ppl=yes
1412 else
1413 AC_MSG_ERROR([cannot find directories "$with_ppl/lib" or "$with_ppl/include"])
1414 fi
29383458
JM		 1415 ;;
1416esac
b123da99
SP		 1417
1418if test x"$with_ppl_include" != x; then
e28c595f 1419 pplinc="-I$with_ppl_include $pplinc"
b123da99 1420 with_ppl=yes
e28c595f 1421fi
b123da99 1422
e28c595f 1423if test "x$with_ppl_lib" != x; then
b123da99
SP		 1424 ppllibs="-L$with_ppl_lib"
1425 with_ppl=yes
e28c595f 1426fi
b123da99
SP		 1427
1428if test x"$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then
1429 if test x"$enable_watchdog" = xyes; then
1430 pwllib="-lpwl"
1431 fi
1432 ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/interfaces/C/'"$lt_cv_objdir"' -L$$r/$(HOST_SUBDIR)/ppl/src/'"$lt_cv_objdir"
1f53ca9a
AO		 1433 pplinc='-I$$r/$(HOST_SUBDIR)/ppl/src -I$$r/$(HOST_SUBDIR)/ppl/interfaces/C '
1434 enable_ppl_version_check=no
b123da99 1435 with_ppl=yes
e28c595f
JM		 1436fi
1437
86ed8cf6 1438if test "x$with_ppl" != xno; then
b123da99 1439 if test "x$pwllib" = x; then
0e8ad34f
RO		 1440 saved_LIBS="$LIBS"
1441 LIBS="$LIBS $ppllibs -lstdc++ -lm"
1442 AC_CHECK_LIB(pwl, PWL_handle_timeout, [pwllib="-lpwl"])
1443 LIBS="$saved_LIBS"
b123da99 1444 fi
e28c595f 1445
b123da99
SP		 1446 ppllibs="$ppllibs -lppl_c -lppl $pwllib -lgmpxx"
1447
1448 if test "$enable_ppl_version_check" != no; then
1449 saved_CFLAGS="$CFLAGS"
1450 CFLAGS="$CFLAGS $pplinc $gmpinc"
1451 AC_MSG_CHECKING([for version 0.11 (revision 0 or later) of PPL])
1452 AC_TRY_COMPILE([#include "ppl_c.h"],[
1453 #if PPL_VERSION_MAJOR != 0 || PPL_VERSION_MINOR < 11
1454 choke me
1455 #endif
1456 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); ppllibs= ; pplinc= ; with_ppl=no ])
1457 CFLAGS="$saved_CFLAGS"
1458 fi
e28c595f
JM		 1459fi
1460
1461# Flags needed for PPL
1462AC_SUBST(ppllibs)
1463AC_SUBST(pplinc)
1464
1465
1466# Check for CLOOG
e28c595f 1467
e552509b
ILT		 1468dnl Provide configure switches and initialize clooginc & clooglibs
1469dnl with user input.
1470CLOOG_INIT_FLAGS
1f53ca9a 1471if test "x$with_ppl" = "xno"; then
8d8eef9a
RW		 1472 dnl Only execute fail-action, if CLooG has been requested.
1473 CLOOG_REQUESTED([graphite_requested=yes], [graphite_requested=no])
1474 if test "${graphite_requested}" = yes; then
1475 AC_MSG_ERROR([Unable to find a usable PPL. See config.log for details.])
1476 fi
1f53ca9a
AO		 1477 with_cloog=no
1478fi
e552509b
ILT		 1479if test "x${with_cloog}" = x && test "x${with_cloog_include}" = x \
1480 && test "x${with_cloog_lib}" = x && test -d ${srcdir}/cloog; then
1481 clooglibs='-L$$r/$(HOST_SUBDIR)/cloog/'"$lt_cv_objdir"' '
1482 clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include '
e28c595f 1483fi
e552509b 1484if test "x$with_cloog" != "xno"; then
8d8eef9a 1485 dnl The minimal version of CLooG required for Graphite.
e552509b 1486 dnl
8d8eef9a
RW		 1487 dnl If we use CLooG-Legacy, the provided version information is
1488 dnl ignored.
1489 CLOOG_CHECK_VERSION(0,16,1)
e552509b 1490
8d8eef9a 1491 dnl Only execute fail-action, if CLooG has been requested.
e552509b 1492 CLOOG_IF_FAILED([
8d8eef9a 1493 AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])])
e28c595f
JM		 1494fi
1495
700d40ca
ILT		 1496# Check for LTO support.
1497AC_ARG_ENABLE(lto,
7837304f 1498[AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
700d40ca
ILT		 1499enable_lto=$enableval,
1500enable_lto=yes; default_enable_lto=yes)
1501
74cea91b
DK		 1502ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1503 build_lto_plugin=yes
1504],[if test x"$default_enable_lto" = x"yes" ; then
29821356 1505 case $target in
dbbe5f95 1506 *-apple-darwin9 | *-cygwin* | *-mingw*) ;;
74cea91b 1507 # On other non-ELF platforms, LTO has yet to be validated.
29821356
RW		 1508 *) enable_lto=no ;;
1509 esac
e49e5c92 1510 else
29821356
RW		 1511 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1512 # It would also be nice to check the binutils support, but we don't
e49e5c92
DK		 1513 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1514 # warn during gcc/ subconfigure; unless you're bootstrapping with
1515 # -flto it won't be needed until after installation anyway.
1516 case $target in
a8eb3f0a 1517 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
e49e5c92
DK		 1518 *) if test x"$enable_lto" = x"yes"; then
1519 AC_MSG_ERROR([LTO support is not enabled for this target.])
1520 fi
1521 ;;
1522 esac
1523 fi
a8eb3f0a 1524 # Among non-ELF, only Windows platforms support the lto-plugin so far.
74cea91b 1525 # Build it unless LTO was explicitly disabled.
a8eb3f0a 1526 case $target in
74cea91b 1527 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
a8eb3f0a
DK		 1528 *) ;;
1529 esac
74cea91b 1530])
700d40ca 1531
e28c595f 1532
947f426e 1533# By default, C is the only stage 1 language.
9b134994 1534stage1_languages=,c,
1d39f329 1535
e8a5fa9c 1536# Target libraries that we bootstrap.
2aa2364a 1537bootstrap_target_libs=,target-libgcc,
e8a5fa9c 1538
9e07f89d
NN		 1539# Figure out what language subdirectories are present.
1540# Look if the user specified --enable-languages="..."; if not, use
1541# the environment variable $LANGUAGES if defined. $LANGUAGES might
1542# go away some day.
1543# NB: embedded tabs in this IF block -- do not untabify
1544if test -d ${srcdir}/gcc; then
1545 if test x"${enable_languages+set}" != xset; then
1546 if test x"${LANGUAGES+set}" = xset; then
1547 enable_languages="${LANGUAGES}"
1548 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1549 else
1550 enable_languages=all
1551 fi
1552 else
1553 if test x"${enable_languages}" = x ||
1554 test x"${enable_languages}" = xyes;
1555 then
1556 echo configure.in: --enable-languages needs at least one language argument 1>&2
1557 exit 1
1558 fi
1559 fi
1560 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1561
096f7d00
DE		 1562 # 'f95' is the old name for the 'fortran' language. We issue a warning
1563 # and make the substitution.
1564 case ,${enable_languages}, in
1565 *,f95,*)
1566 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1567 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1568 ;;
1569 esac
1570
9e07f89d
NN		 1571 # First scan to see if an enabled language requires some other language.
1572 # We assume that a given config-lang.in will list all the language
1573 # front ends it requires, even if some are required indirectly.
1574 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1575 case ${lang_frag} in
1576 ..) ;;
1577 # The odd quoting in the next line works around
1578 # an apparent bug in bash 1.12 on linux.
1579 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1580 *)
e552509b
ILT		 1581 # From the config-lang.in, get $language, $lang_requires, and
1582 # $lang_requires_boot_languages.
9e07f89d
NN		 1583 language=
1584 lang_requires=
e552509b 1585 lang_requires_boot_languages=
9e07f89d 1586 . ${lang_frag}
e552509b 1587 for other in ${lang_requires} ${lang_requires_boot_languages}; do
9e07f89d
NN		 1588 case ,${enable_languages}, in
1589 *,$other,*) ;;
1590 *,all,*) ;;
1591 *,$language,*)
1592 echo " \`$other' language required by \`$language'; enabling" 1>&2
1593 enable_languages="${enable_languages},${other}"
1594 ;;
1595 esac
1596 done
e552509b
ILT		 1597 for other in ${lang_requires_boot_languages} ; do
1598 if test "$other" != "c"; then
1599 case ,${enable_stage1_languages}, in
1600 *,$other,*) ;;
1601 *,all,*) ;;
1602 *)
1603 case ,${enable_languages}, in
1604 *,$language,*)
1605 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1606 enable_stage1_languages="$enable_stage1_languages,${other}"
1607 ;;
1608 esac
1609 ;;
1610 esac
1611 fi
1612 done
9e07f89d
NN		 1613 ;;
1614 esac
1615 done
1616
9b134994 1617 new_enable_languages=,c,
700d40ca
ILT		 1618
1619 # If LTO is enabled, add the LTO front end.
1620 extra_host_libiberty_configure_flags=
1621 if test "$enable_lto" = "yes" ; then
6811fb56
RW		 1622 case ,${enable_languages}, in
1623 *,lto,*) ;;
1624 *) enable_languages="${enable_languages},lto" ;;
1625 esac
a8eb3f0a 1626 if test "${build_lto_plugin}" = "yes" ; then
700d40ca
ILT		 1627 configdirs="$configdirs lto-plugin"
1628 extra_host_libiberty_configure_flags=--enable-shared
1629 fi
1630 fi
1631 AC_SUBST(extra_host_libiberty_configure_flags)
1632
9e07f89d 1633 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
9b134994 1634 potential_languages=,c,
9e07f89d 1635
9e1a94f4
ILT		 1636 enabled_target_libs=
1637 disabled_target_libs=
1638
9e07f89d
NN		 1639 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1640 case ${lang_frag} in
1641 ..) ;;
1642 # The odd quoting in the next line works around
1643 # an apparent bug in bash 1.12 on linux.
1644 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1645 *)
1646 # From the config-lang.in, get $language, $target_libs,
1d39f329 1647 # $lang_dirs, $boot_language, and $build_by_default
9e07f89d
NN		 1648 language=
1649 target_libs=
1650 lang_dirs=
64ce424c 1651 subdir_requires=
9b134994
PB		 1652 boot_language=no
1653 build_by_default=yes
9e07f89d 1654 . ${lang_frag}
9b134994
PB		 1655 if test x${language} = x; then
1656 echo "${lang_frag} doesn't set \$language." 1>&2
1657 exit 1
1658 fi
1659
1f53ca9a
AO		 1660 if test "$language" = "c++" \
1661 && test "$ENABLE_BUILD_WITH_CXX" = "yes"; then
e8a5fa9c
RW		 1662 boot_language=yes
1663 fi
1664
9b134994
PB		 1665 case ,${enable_languages}, in
1666 *,${language},*)
9e07f89d
NN		 1667 # Language was explicitly selected; include it.
1668 add_this_lang=yes
1669 ;;
9b134994
PB		 1670 *,all,*)
1671 # 'all' was selected, select it if it is a default language
1672 add_this_lang=${build_by_default}
9e07f89d
NN		 1673 ;;
1674 *)
1675 add_this_lang=no
1676 ;;
1677 esac
4b1cb4fe 1678
64ce424c 1679 # Disable languages that need other directories if these aren't available.
1f3f1bbf 1680 for i in $subdir_requires; do
3d3adb43 1681 test -f "$srcdir/gcc/$i/config-lang.in" && continue
64ce424c
PB		 1682 case ,${enable_languages}, in
1683 *,${language},*)
1684 # Specifically requested language; tell them.
1685 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1686 ;;
1687 *)
1688 # Silently disable.
9b134994 1689 add_this_lang=unsupported
64ce424c
PB		 1690 ;;
1691 esac
1692 done
1693
9b134994
PB		 1694 # Disable Ada if no preexisting GNAT is available.
1695 case ,${enable_languages},:${language}:${have_gnat} in
1696 *,${language},*:ada:no)
1697 # Specifically requested language; tell them.
1698 AC_MSG_ERROR([GNAT is required to build $language])
1699 ;;
1700 *:ada:no)
1701 # Silently disable.
1702 add_this_lang=unsupported
1703 ;;
1704 esac
1705
59f7ec45
HPN		 1706 # Disable a language that is unsupported by the target.
1707 case " $unsupported_languages " in
1708 *" $language "*)
9b134994 1709 add_this_lang=unsupported
59f7ec45
HPN		 1710 ;;
1711 esac
1712
4b1cb4fe 1713 case $add_this_lang in
9b134994 1714 unsupported)
9e07f89d 1715 # Remove language-dependent dirs.
9e1a94f4
ILT		 1716 disabled_target_libs="$disabled_target_libs $target_libs"
1717 noconfigdirs="$noconfigdirs $lang_dirs"
1d39f329 1718 ;;
9b134994
PB		 1719 no)
1720 # Remove language-dependent dirs; still show language as supported.
9e1a94f4
ILT		 1721 disabled_target_libs="$disabled_target_libs $target_libs"
1722 noconfigdirs="$noconfigdirs $lang_dirs"
9b134994
PB		 1723 potential_languages="${potential_languages}${language},"
1724 ;;
1725 yes)
1726 new_enable_languages="${new_enable_languages}${language},"
1727 potential_languages="${potential_languages}${language},"
1d39f329 1728 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
9e1a94f4 1729 enabled_target_libs="$enabled_target_libs $target_libs"
f8dc745f
RW		 1730 case "${boot_language}:,$enable_stage1_languages," in
1731 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
4fa63067 1732 # Add to (comma-separated) list of stage 1 languages.
f8dc745f
RW		 1733 case ",$stage1_languages," in
1734 *,$language,* | ,yes, | ,all,) ;;
1735 *) stage1_languages="${stage1_languages}${language}," ;;
1736 esac
e8a5fa9c
RW		 1737 # We need to bootstrap any supporting libraries.
1738 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1d39f329
NN		 1739 ;;
1740 esac
1741 ;;
9e07f89d
NN		 1742 esac
1743 ;;
1744 esac
1745 done
1746
9e1a94f4
ILT		 1747 # Add target libraries which are only needed for disabled languages
1748 # to noconfigdirs.
1749 if test -n "$disabled_target_libs"; then
1750 for dir in $disabled_target_libs; do
1751 case " $enabled_target_libs " in
1752 *" ${dir} "*) ;;
1753 *) noconfigdirs="$noconfigdirs $dir" ;;
1754 esac
1755 done
1756 fi
1757
9b134994 1758 AC_ARG_ENABLE(stage1-languages,
7837304f
AS		 1759 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
1760 [choose additional languages to build during
1761 stage1. Mostly useful for compiler development])],
9b134994
PB		 1762 [case ,${enable_stage1_languages}, in
1763 ,no,|,,)
1764 # Set it to something that will have no effect in the loop below
1765 enable_stage1_languages=c ;;
1766 ,yes,)
1767 enable_stage1_languages=`echo $new_enable_languages | \
1768 sed -e "s/^,//" -e "s/,$//" ` ;;
1769 *,all,*)
1770 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1771 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1772 esac
1773
1774 # Add "good" languages from enable_stage1_languages to stage1_languages,
1775 # while "bad" languages go in missing_languages. Leave no duplicates.
1776 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1777 case $potential_languages in
1778 *,$i,*)
1779 case $stage1_languages in
1780 *,$i,*) ;;
1781 *) stage1_languages="$stage1_languages$i," ;;
1782 esac ;;
1783 *)
1784 case $missing_languages in
1785 *,$i,*) ;;
1786 *) missing_languages="$missing_languages$i," ;;
1787 esac ;;
1788 esac
1789 done])
1790
1791 # Remove leading/trailing commas that were added for simplicity
1792 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
4b0ac75d 1793 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
9b134994
PB		 1794 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1795 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1796
9e07f89d
NN		 1797 if test "x$missing_languages" != x; then
1798 AC_MSG_ERROR([
27258dd4 1799The following requested languages could not be built: ${missing_languages}
9b134994 1800Supported languages are: ${potential_languages}])
9e07f89d 1801 fi
9e07f89d
NN		 1802 if test "x$new_enable_languages" != "x$enable_languages"; then
1803 echo The following languages will be built: ${new_enable_languages}
9b134994 1804 enable_languages="$new_enable_languages"
9e07f89d 1805 fi
9b134994
PB		 1806
1807 AC_SUBST(stage1_languages)
81ec575a 1808 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
9e07f89d
NN		 1809fi
1810
a6df5a19
PB		 1811# Handle --disable-<component> generically.
1812for dir in $configdirs $build_configdirs $target_configdirs ; do
1813 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
9cc8ae67
PB		 1814 varname=`echo $dirname | sed -e s/+/_/g`
1815 if eval test x\${enable_${varname}} "=" xno ; then
a6df5a19
PB		 1816 noconfigdirs="$noconfigdirs $dir"
1817 fi
1818done
1819
4f0ef2d8
CD		 1820# Check for Boehm's garbage collector
1821AC_ARG_ENABLE(objc-gc,
7837304f
AS		 1822[AS_HELP_STRING([--enable-objc-gc],
1823 [enable use of Boehm's garbage collector with the
1824 GNU Objective-C runtime])],
4f0ef2d8
CD		 1825[case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
1826 *,objc,*:*:yes:*target-boehm-gc*)
1827 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
1828 ;;
1829esac])
1830
1831# Make sure we only build Boehm's garbage collector if required.
d42c4017
DA		 1832case ,${enable_languages},:${enable_objc_gc} in
1833 *,objc,*:yes)
4f0ef2d8
CD		 1834 # Keep target-boehm-gc if requested for Objective-C.
1835 ;;
4f0ef2d8 1836 *)
d42c4017
DA		 1837 # Otherwise remove target-boehm-gc depending on target-libjava.
1838 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
1839 noconfigdirs="$noconfigdirs target-boehm-gc"
1840 fi
4f0ef2d8
CD		 1841 ;;
1842esac
1843
caeba88f
AL		 1844# Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1845# $build_configdirs and $target_configdirs.
9e07f89d
NN		 1846# If we have the source for $noconfigdirs entries, add them to $notsupp.
1847
1848notsupp=""
1849for dir in . $skipdirs $noconfigdirs ; do
caeba88f 1850 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
9e07f89d
NN		 1851 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1852 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1853 if test -r $srcdir/$dirname/configure ; then
1854 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1855 true
1856 else
1857 notsupp="$notsupp $dir"
1858 fi
1859 fi
1860 fi
caeba88f
AL		 1861 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1862 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
1863 if test -r $srcdir/$dirname/configure ; then
1864 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1865 true
1866 else
1867 notsupp="$notsupp $dir"
1868 fi
1869 fi
1870 fi
9e07f89d
NN		 1871 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1872 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1873 if test -r $srcdir/$dirname/configure ; then
1874 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1875 true
1876 else
1877 notsupp="$notsupp $dir"
1878 fi
1879 fi
1880 fi
1881done
1882
1883# Sometimes the tools are distributed with libiberty but with no other
1884# libraries. In that case, we don't want to build target-libiberty.
f86e35b8 1885# Don't let libgcc imply libiberty either.
9e07f89d 1886if test -n "${target_configdirs}" ; then
f86e35b8 1887 libgcc=
9e07f89d
NN		 1888 others=
1889 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
f86e35b8
NC		 1890 if test "$i" = "libgcc"; then
1891 libgcc=target-libgcc
1892 elif test "$i" != "libiberty" ; then
9e07f89d
NN		 1893 if test -r $srcdir/$i/configure ; then
1894 others=yes;
1895 break;
1896 fi
1897 fi
1898 done
1899 if test -z "${others}" ; then
f86e35b8 1900 target_configdirs=$libgcc
9e07f89d
NN		 1901 fi
1902fi
1903
1904# Quietly strip out all directories which aren't configurable in this tree.
1905# This relies on all configurable subdirectories being autoconfiscated, which
1906# is now the case.
6a9cf61e
PB		 1907build_configdirs_all="$build_configdirs"
1908build_configdirs=
1909for i in ${build_configdirs_all} ; do
1910 j=`echo $i | sed -e s/build-//g`
1911 if test -f ${srcdir}/$j/configure ; then
1912 build_configdirs="${build_configdirs} $i"
1913 fi
1914done
1915
9e07f89d
NN		 1916configdirs_all="$configdirs"
1917configdirs=
1918for i in ${configdirs_all} ; do
1919 if test -f ${srcdir}/$i/configure ; then
1920 configdirs="${configdirs} $i"
1921 fi
1922done
6a9cf61e 1923
9e07f89d
NN		 1924target_configdirs_all="$target_configdirs"
1925target_configdirs=
1926for i in ${target_configdirs_all} ; do
1927 j=`echo $i | sed -e s/target-//g`
1928 if test -f ${srcdir}/$j/configure ; then
1929 target_configdirs="${target_configdirs} $i"
1930 fi
1931done
1932
1933# Produce a warning message for the subdirs we can't configure.
1934# This isn't especially interesting in the Cygnus tree, but in the individual
1935# FSF releases, it's important to let people know when their machine isn't
1936# supported by the one or two programs in a package.
1937
1938if test -n "${notsupp}" && test -z "${norecursion}" ; then
1939 # If $appdirs is non-empty, at least one of those directories must still
1940 # be configured, or we error out. (E.g., if the gas release supports a
1941 # specified target in some subdirs but not the gas subdir, we shouldn't
1942 # pretend that all is well.)
1943 if test -n "$appdirs" ; then
1944 for dir in $appdirs ; do
1945 if test -r $dir/Makefile.in ; then
1946 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1947 appdirs=""
1948 break
1949 fi
6a9cf61e 1950 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
9e07f89d
NN		 1951 appdirs=""
1952 break
1953 fi
1954 fi
1955 done
1956 if test -n "$appdirs" ; then
1957 echo "*** This configuration is not supported by this package." 1>&2
1958 exit 1
1959 fi
1960 fi
1961 # Okay, some application will build, or we don't care to check. Still
1962 # notify of subdirs not getting built.
1963 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1964 echo " ${notsupp}" 1>&2
1965 echo " (Any other directories should still work fine.)" 1>&2
1966fi
1967
1968case "$host" in
1969 *msdosdjgpp*)
1970 enable_gdbtk=no ;;
1971esac
1972
24ff9987
DJ		 1973# To find our prefix, in gcc_cv_tool_prefix.
1974ACX_TOOL_DIRS
1975
9e07f89d
NN		 1976copy_dirs=
1977
a19b6204 1978AC_ARG_WITH([build-sysroot],
7837304f
AS		 1979 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
1980 [use sysroot as the system root during the build])],
a19b6204
MM		 1981 [if test x"$withval" != x ; then
1982 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
1983 fi],
1984 [SYSROOT_CFLAGS_FOR_TARGET=])
1985AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
1986
8a6ee3ab 1987AC_ARG_WITH([debug-prefix-map],
7837304f
AS		 1988 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
1989 [map A to B, C to D ... in debug information])],
8a6ee3ab
JM		 1990 [if test x"$withval" != x; then
1991 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
1992 for debug_map in $withval; do
1993 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
1994 done
1995 fi],
1996 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
1997AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
1998
7f6ef0c0
PB		 1999# During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2000# might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2001# might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2002# We want to ensure that TARGET libraries (which we know are built with
2003# gcc) are built with "-O2 -g", so include those options when setting
2004# CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2005if test "x$CFLAGS_FOR_TARGET" = x; then
2006 CFLAGS_FOR_TARGET=$CFLAGS
2007 case " $CFLAGS " in
2008 *" -O2 "*) ;;
2009 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS" ;;
2010 esac
2011 case " $CFLAGS " in
2012 *" -g "* | *" -g3 "*) ;;
2013 *) CFLAGS_FOR_TARGET="-g $CFLAGS" ;;
2014 esac
2015fi
2016AC_SUBST(CFLAGS_FOR_TARGET)
2017
2018if test "x$CXXFLAGS_FOR_TARGET" = x; then
2019 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2020 case " $CXXFLAGS " in
2021 *" -O2 "*) ;;
2022 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS" ;;
2023 esac
2024 case " $CXXFLAGS " in
2025 *" -g "* | *" -g3 "*) ;;
2026 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS" ;;
2027 esac
2028fi
2029AC_SUBST(CXXFLAGS_FOR_TARGET)
2030
9e07f89d
NN		 2031# Handle --with-headers=XXX. If the value is not "yes", the contents of
2032# the named directory are copied to $(tooldir)/sys-include.
2033if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2034 if test x${is_cross_compiler} = xno ; then
2035 echo 1>&2 '***' --with-headers is only supported when cross compiling
2036 exit 1
2037 fi
2038 if test x"${with_headers}" != xyes ; then
24ff9987 2039 x=${gcc_cv_tool_prefix}
c6b750e1 2040 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
9e07f89d
NN		 2041 fi
2042fi
2043
2044# Handle --with-libs=XXX. If the value is not "yes", the contents of
2045# the name directories are copied to $(tooldir)/lib. Multiple directories
2046# are permitted.
2047if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2048 if test x${is_cross_compiler} = xno ; then
2049 echo 1>&2 '***' --with-libs is only supported when cross compiling
2050 exit 1
2051 fi
2052 if test x"${with_libs}" != xyes ; then
2053 # Copy the libraries in reverse order, so that files in the first named
2054 # library override files in subsequent libraries.
24ff9987 2055 x=${gcc_cv_tool_prefix}
9e07f89d 2056 for l in ${with_libs}; do
c6b750e1 2057 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
9e07f89d
NN		 2058 done
2059 fi
2060fi
2061
700d40ca 2062# Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2429c060
PB		 2063#
2064# This is done by determining whether or not the appropriate directory
2065# is available, and by checking whether or not specific configurations
2066# have requested that this magic not happen.
2067#
2068# The command line options always override the explicit settings in
2069# configure.in, and the settings in configure.in override this magic.
2070#
2071# If the default for a toolchain is to use GNU as and ld, and you don't
2072# want to do that, then you should use the --without-gnu-as and
700d40ca
ILT		 2073# --without-gnu-ld options for the configure script. Similarly, if
2074# the default is to use the included zlib and you don't want to do that,
2075# you should use the --with-system-zlib option for the configure script.
2429c060
PB		 2076
2077if test x${use_gnu_as} = x &&
2078 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2079 with_gnu_as=yes
2080 extra_host_args="$extra_host_args --with-gnu-as"
2081fi
2082
2083if test x${use_gnu_ld} = x &&
93f9b408 2084 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2429c060
PB		 2085 with_gnu_ld=yes
2086 extra_host_args="$extra_host_args --with-gnu-ld"
2087fi
2088
700d40ca
ILT		 2089if test x${use_included_zlib} = x &&
2090 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2091 :
2092else
2093 with_system_zlib=yes
2094 extra_host_args="$extra_host_args --with-system-zlib"
2095fi
2096
2429c060
PB		 2097# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2098# can detect this case.
2099
2100if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2101 with_newlib=yes
2102 extra_host_args="$extra_host_args --with-newlib"
2103fi
2104
9e07f89d
NN		 2105# Handle ${copy_dirs}
2106set fnord ${copy_dirs}
2107shift
2108while test $# != 0 ; do
2109 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2110 :
2111 else
2112 echo Copying $1 to $2
2113
2114 # Use the install script to create the directory and all required
2115 # parent directories.
2116 if test -d $2 ; then
2117 :
2118 else
2119 echo >config.temp
2120 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2121 fi
2122
2123 # Copy the directory, assuming we have tar.
2124 # FIXME: Should we use B in the second tar? Not all systems support it.
2125 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2126
2127 # It is the responsibility of the user to correctly adjust all
2128 # symlinks. If somebody can figure out how to handle them correctly
2129 # here, feel free to add the code.
2130
2131 echo $1 > $2/COPIED
2132 fi
2133 shift; shift
2134done
2135
2429c060
PB		 2136# Determine a target-dependent exec_prefix that the installed
2137# gcc will search in. Keep this list sorted by triplet, with
2138# the *-*-osname triplets last.
2139md_exec_prefix=
2140case "${target}" in
521ec477 2141 i[[34567]]86-pc-msdosdjgpp*)
2429c060
PB		 2142 md_exec_prefix=/dev/env/DJDIR/bin
2143 ;;
2429c060 2144 *-*-hpux* | \
2429c060 2145 *-*-nto-qnx* | \
1f111696 2146 *-*-solaris2*)
2429c060
PB		 2147 md_exec_prefix=/usr/ccs/bin
2148 ;;
2149esac
2150
874e38b4
NN		 2151extra_arflags_for_target=
2152extra_nmflags_for_target=
1086bc09 2153extra_ranlibflags_for_target=
a0da8069 2154target_makefile_frag=/dev/null
f48556b1 2155case "${target}" in
77d7106f
AM		 2156 spu-*-*)
2157 target_makefile_frag="config/mt-spu"
2158 ;;
429acdec
RS		 2159 mips*-sde-elf*)
2160 target_makefile_frag="config/mt-sde"
2161 ;;
f3b1e08e
RS		 2162 mipsisa*-*-elfoabi*)
2163 target_makefile_frag="config/mt-mips-elfoabi"
2164 ;;
e7c8859c
RS		 2165 mips*-*-*linux* | mips*-*-gnu*)
2166 target_makefile_frag="config/mt-mips-gnu"
2167 ;;
29383458 2168 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
3d6dfe0f 2169 target_makefile_frag="config/mt-gnu"
f48556b1 2170 ;;
a0da8069 2171 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
874e38b4
NN		 2172 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2173 # commands to handle both 32-bit and 64-bit objects. These flags are
2174 # harmless if we're using GNU nm or ar.
2175 extra_arflags_for_target=" -X32_64"
2176 extra_nmflags_for_target=" -B -X32_64"
f48556b1 2177 ;;
92f4e989
JM		 2178 *-*-darwin[[3-9]]*)
2179 # ranlib before Darwin10 requires the -c flag to look at common symbols.
1086bc09
NN		 2180 extra_ranlibflags_for_target=" -c"
2181 ;;
b6f83f2a
DD		 2182esac
2183
a0da8069 2184alphaieee_frag=/dev/null
b6f83f2a
DD		 2185case $target in
2186 alpha*-*-*)
2187 # This just makes sure to use the -mieee option to build target libs.
2188 # This should probably be set individually by each library.
2189 alphaieee_frag="config/mt-alphaieee"
f48556b1
DD		 2190 ;;
2191esac
a0a2c6c6 2192
f48556b1
DD		 2193# If --enable-target-optspace always use -Os instead of -O2 to build
2194# the target libraries, similarly if it is not specified, use -Os
2195# on selected platforms.
a0da8069 2196ospace_frag=/dev/null
f48556b1
DD		 2197case "${enable_target_optspace}:${target}" in
2198 yes:*)
b6f83f2a 2199 ospace_frag="config/mt-ospace"
f48556b1
DD		 2200 ;;
2201 :d30v-*)
b6f83f2a 2202 ospace_frag="config/mt-d30v"
f48556b1
DD		 2203 ;;
2204 :m32r-* | :d10v-* | :fr30-*)
b6f83f2a 2205 ospace_frag="config/mt-ospace"
f48556b1
DD		 2206 ;;
2207 no:* | :*)
2208 ;;
2209 *)
2210 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2211 ;;
2212esac
252b5132 2213
f48556b1
DD		 2214# Default to using --with-stabs for certain targets.
2215if test x${with_stabs} = x ; then
2216 case "${target}" in
e31d1ea3 2217 mips*-*-irix[[56]]*)
f48556b1
DD		 2218 ;;
2219 mips*-*-* | alpha*-*-osf*)
2220 with_stabs=yes;
ae831be5 2221 extra_host_args="${extra_host_args} --with-stabs"
f48556b1
DD		 2222 ;;
2223 esac
2224fi
2225
2226# hpux11 in 64bit mode has libraries in a weird place. Arrange to find
2227# them automatically.
2228case "${host}" in
2229 hppa*64*-*-hpux11*)
ae831be5 2230 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
f48556b1 2231 ;;
c92a0210
DD		 2232esac
2233
a0da8069
NN		 2234# Some systems (e.g., one of the i386-aix systems the gas testers are
2235# using) don't handle "\$" correctly, so don't use it here.
c6b750e1 2236tooldir='${exec_prefix}'/${target_noncanonical}
a0da8069
NN		 2237build_tooldir=${tooldir}
2238
a0da8069
NN		 2239# Create a .gdbinit file which runs the one in srcdir
2240# and tells GDB to look there for source files.
2241
2242if test -r ${srcdir}/.gdbinit ; then
2243 case ${srcdir} in
2244 .) ;;
2245 *) cat > ./.gdbinit <<EOF
2246# ${NO_EDIT}
2247dir ${srcdir}
2248dir .
2249source ${srcdir}/.gdbinit
2250EOF
2251 ;;
2252 esac
2253fi
2254
252b5132
RH		 2255# Make sure that the compiler is able to generate an executable. If it
2256# can't, we are probably in trouble. We don't care whether we can run the
2257# executable--we might be using a cross compiler--we only care whether it
2258# can be created. At this point the main configure script has set CC.
a0c4f3a0 2259we_are_ok=no
252b5132
RH		 2260echo "int main () { return 0; }" > conftest.c
2261${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
a0c4f3a0
DD		 2262if test $? = 0 ; then
2263 if test -s conftest || test -s conftest.exe ; then
2264 we_are_ok=yes
2265 fi
2266fi
2267case $we_are_ok in
2268 no)
2269 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2270 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2271 rm -f conftest*
2272 exit 1
2273 ;;
2274esac
252b5132
RH		 2275rm -f conftest*
2276
2277# The Solaris /usr/ucb/cc compiler does not appear to work.
2278case "${host}" in
2279 sparc-sun-solaris2*)
2280 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
a0da8069 2281 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
252b5132 2282 could_use=
a0c4f3a0
DD		 2283 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
2284 if test -d /opt/cygnus/bin ; then
2285 if test "$could_use" = "" ; then
252b5132
RH		 2286 could_use="/opt/cygnus/bin"
2287 else
2288 could_use="$could_use or /opt/cygnus/bin"
2289 fi
2290 fi
a0c4f3a0 2291 if test "$could_use" = "" ; then
252b5132
RH		 2292 echo "Warning: compilation may fail because you're using"
2293 echo "/usr/ucb/cc. You should change your PATH or CC "
2294 echo "variable and rerun configure."
2295 else
2296 echo "Warning: compilation may fail because you're using"
2297 echo "/usr/ucb/cc, when you should use the C compiler from"
2298 echo "$could_use. You should change your"
2299 echo "PATH or CC variable and rerun configure."
2300 fi
2301 fi
2302 ;;
2303esac
2304
3bbd2f8f 2305# Decide which environment variable is used to find dynamic libraries.
8607b6c9
NN		 2306case "${host}" in
2307 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
3516a403 2308 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
3bbd2f8f 2309 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
8607b6c9
NN		 2310 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2311esac
8607b6c9 2312
3bbd2f8f 2313# On systems where the dynamic library environment variable is PATH,
e28c595f
JM		 2314# gcc/ will put dynamic libraries into a subdirectory to avoid adding
2315# built executables to PATH.
3bbd2f8f
AL		 2316if test "$RPATH_ENVVAR" = PATH; then
2317 GCC_SHLIB_SUBDIR=/shlib
2318else
2319 GCC_SHLIB_SUBDIR=
2320fi
2321
3866be5d
NN		 2322# Record target_configdirs and the configure arguments for target and
2323# build configuration in Makefile.
2324target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
6a9cf61e 2325build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
930314a4 2326
2aa2364a
JR		 2327# If we are building libgomp, bootstrap it.
2328if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2329 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2330fi
2331
930314a4
NN		 2332# Determine whether gdb needs tk/tcl or not.
2333# Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2334# and in that case we want gdb to be built without tk. Ugh!
2335# In fact I believe gdb is the *only* package directly dependent on tk,
2336# so we should be able to put the 'maybe's in unconditionally and
2337# leave out the maybe dependencies when enable_gdbtk is false. I'm not
2338# 100% sure that that's safe though.
c180f501 2339
675c6968 2340gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
930314a4
NN		 2341case "$enable_gdbtk" in
2342 no)
2343 GDB_TK="" ;;
c180f501
AC		 2344 yes)
2345 GDB_TK="${gdb_tk}" ;;
930314a4 2346 *)
c180f501
AC		 2347 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2348 # distro. Eventually someone will fix this and move Insight, nee
2349 # gdbtk to a separate directory.
2350 if test -d ${srcdir}/gdb/gdbtk ; then
2351 GDB_TK="${gdb_tk}"
2352 else
2353 GDB_TK=""
2354 fi
2355 ;;
930314a4 2356esac
907be67c
DJ		 2357CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2358INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
930314a4 2359
6bd3dfaa 2360# Strip out unwanted targets.
dd12c3a8
NN		 2361
2362# While at that, we remove Makefiles if we were started for recursive
2363# configuration, so that the top-level Makefile reconfigures them,
2364# like we used to do when configure itself was recursive.
dd12c3a8 2365
06a51eac
RW		 2366# Loop over modules. We used to use the "$extrasub" feature from Autoconf
2367# but now we're fixing up the Makefile ourselves with the additional
2368# commands passed to AC_CONFIG_FILES. Use separate variables
2369# extrasub-{build,host,target} not because there is any reason to split
2370# the substitutions up that way, but only to remain below the limit of
2371# 99 commands in a script, for HP-UX sed.
2372# Do not nest @if/@endif pairs, because configure will not warn you at all.
dd12c3a8 2373
498d4a71 2374AC_ARG_ENABLE([bootstrap],
7837304f
AS		 2375[AS_HELP_STRING([--enable-bootstrap],
2376 [enable bootstrapping @<:@yes if native build@:>@])],,
9cb3fa6f
PB		 2377enable_bootstrap=default)
2378
2379# Issue errors and warnings for invalid/strange bootstrap combinations.
2380case "$configdirs" in
2381 *gcc*) have_compiler=yes ;;
2382 *) have_compiler=no ;;
2383esac
2384
2385case "$have_compiler:$host:$target:$enable_bootstrap" in
2386 *:*:*:no) ;;
2387
0aed8855 2388 # Default behavior. Enable bootstrap if we have a compiler
9cb3fa6f
PB		 2389 # and we are in a native configuration.
2390 yes:$build:$build:default)
0aed8855 2391 enable_bootstrap=yes ;;
9cb3fa6f
PB		 2392
2393 *:*:*:default)
2394 enable_bootstrap=no ;;
2395
2396 # We have a compiler and we are in a native configuration, bootstrap is ok
80911fe1 2397 yes:$build:$build:yes)
9cb3fa6f
PB		 2398 ;;
2399
2400 # Other configurations, but we have a compiler. Assume the user knows
2401 # what he's doing.
80911fe1 2402 yes:*:*:yes)
9cb3fa6f
PB		 2403 AC_MSG_WARN([trying to bootstrap a cross compiler])
2404 ;;
498d4a71 2405
9cb3fa6f 2406 # No compiler: if they passed --enable-bootstrap explicitly, fail
80911fe1 2407 no:*:*:yes)
9cb3fa6f
PB		 2408 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
2409
2410 # Fail if wrong command line
2411 *)
2412 AC_MSG_ERROR([invalid option for --enable-bootstrap])
2413 ;;
2414esac
2415
4385ad3c
RW		 2416case ",$enable_languages,:$ENABLE_BUILD_WITH_CXX:$enable_bootstrap" in
2417 *,c++,*:yes:yes) ;;
2418 *:yes:yes)
2419 AC_MSG_ERROR([bootstrapping with --enable-build-with-cxx requires c++ in --enable-languages])
2420 ;;
2421esac
2422
16b1ad29
RW		 2423case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2424 yes:yes:*\ gold\ *:*,c++,*) ;;
2425 yes:yes:*\ gold\ *:*)
2426 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2427 ;;
2428esac
2429
9cb3fa6f 2430# Adjust the toplevel makefile according to whether bootstrap was selected.
96655cc4 2431case $enable_bootstrap in
498d4a71 2432 yes)
96655cc4
AO		 2433 bootstrap_suffix=bootstrap
2434 BUILD_CONFIG=bootstrap-debug
2435 ;;
498d4a71 2436 no)
96655cc4
AO		 2437 bootstrap_suffix=no-bootstrap
2438 BUILD_CONFIG=
2439 ;;
498d4a71 2440esac
498d4a71 2441
96655cc4
AO		 2442AC_MSG_CHECKING(for default BUILD_CONFIG)
2443
2444AC_ARG_WITH([build-config],
7837304f
AS		 2445 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2446 [use config/NAME.mk build configuration])],
96655cc4
AO		 2447 [case $with_build_config in
2448 yes) with_build_config= ;;
2449 no) with_build_config= BUILD_CONFIG= ;;
2450 esac])
2451
2452if test "x${with_build_config}" != x; then
2453 BUILD_CONFIG=$with_build_config
2454else
2455 case $BUILD_CONFIG in
2456 bootstrap-debug)
2457 if echo "int f (void) { return 0; }" > conftest.c &&
2458 ${CC} -c conftest.c &&
2459 mv conftest.o conftest.o.g0 &&
2460 ${CC} -c -g conftest.c &&
2461 mv conftest.o conftest.o.g &&
a009f2e7 2462 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
96655cc4
AO		 2463 :
2464 else
2465 BUILD_CONFIG=
2466 fi
2467 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2468 ;;
2469 esac
2470fi
2471AC_MSG_RESULT($BUILD_CONFIG)
2472AC_SUBST(BUILD_CONFIG)
2473
06a51eac 2474extrasub_build=
6a9cf61e 2475for module in ${build_configdirs} ; do
dd12c3a8
NN		 2476 if test -z "${no_recursion}" \
2477 && test -f ${build_subdir}/${module}/Makefile; then
2478 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2479 rm -f ${build_subdir}/${module}/Makefile
2480 fi
06a51eac 2481 extrasub_build="$extrasub_build
6bd3dfaa 2482/^@if build-$module\$/d
498d4a71
CF		 2483/^@endif build-$module\$/d
2484/^@if build-$module-$bootstrap_suffix\$/d
2485/^@endif build-$module-$bootstrap_suffix\$/d"
dd12c3a8 2486done
06a51eac 2487extrasub_host=
dd12c3a8 2488for module in ${configdirs} ; do
80911fe1 2489 if test -z "${no_recursion}"; then
8cf39b1b 2490 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
80911fe1
PB		 2491 if test -f ${file}; then
2492 echo 1>&2 "*** removing ${file} to force reconfigure"
2493 rm -f ${file}
2494 fi
2495 done
dd12c3a8 2496 fi
06a51eac 2497 extrasub_host="$extrasub_host
6bd3dfaa 2498/^@if $module\$/d
498d4a71
CF		 2499/^@endif $module\$/d
2500/^@if $module-$bootstrap_suffix\$/d
2501/^@endif $module-$bootstrap_suffix\$/d"
dd12c3a8 2502done
06a51eac 2503extrasub_target=
dd12c3a8
NN		 2504for module in ${target_configdirs} ; do
2505 if test -z "${no_recursion}" \
2506 && test -f ${target_subdir}/${module}/Makefile; then
2507 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2508 rm -f ${target_subdir}/${module}/Makefile
2509 fi
e8a5fa9c
RW		 2510
2511 # We only bootstrap target libraries listed in bootstrap_target_libs.
2512 case $bootstrap_target_libs in
2513 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2514 *) target_bootstrap_suffix=no-bootstrap ;;
2515 esac
2516
06a51eac 2517 extrasub_target="$extrasub_target
6bd3dfaa 2518/^@if target-$module\$/d
498d4a71 2519/^@endif target-$module\$/d
e8a5fa9c
RW		 2520/^@if target-$module-$target_bootstrap_suffix\$/d
2521/^@endif target-$module-$target_bootstrap_suffix\$/d"
930314a4 2522done
319cab08 2523
06a51eac
RW		 2524# Do the final fixup along with target modules.
2525extrasub_target="$extrasub_target
6bd3dfaa 2526/^@if /,/^@endif /d"
930314a4 2527
a2cc058a
NN		 2528# Create the serialization dependencies. This uses a temporary file.
2529
e6bfb94a 2530AC_ARG_ENABLE([serial-configure],
7837304f
AS		 2531[AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2532 [force sequential configuration of
2533 sub-packages for the host, target or build
2534 machine, or all sub-packages])])
1047cb91
DD		 2535
2536case ${enable_serial_configure} in
2537 yes)
2538 enable_serial_build_configure=yes
2539 enable_serial_host_configure=yes
2540 enable_serial_target_configure=yes
2541 ;;
2542esac
e6bfb94a 2543
a2cc058a
NN		 2544# These force 'configure's to be done one at a time, to avoid problems
2545# with contention over a shared config.cache.
2546rm -f serdep.tmp
e6bfb94a 2547echo '# serdep.tmp' > serdep.tmp
a2cc058a 2548olditem=
1047cb91 2549test "x${enable_serial_build_configure}" = xyes &&
a2cc058a
NN		 2550for item in ${build_configdirs} ; do
2551 case ${olditem} in
2552 "") ;;
e6bfb94a 2553 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
a2cc058a
NN		 2554 esac
2555 olditem=${item}
2556done
2557olditem=
1047cb91 2558test "x${enable_serial_host_configure}" = xyes &&
a2cc058a
NN		 2559for item in ${configdirs} ; do
2560 case ${olditem} in
2561 "") ;;
e6bfb94a 2562 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
a2cc058a
NN		 2563 esac
2564 olditem=${item}
2565done
2566olditem=
1047cb91 2567test "x${enable_serial_target_configure}" = xyes &&
a2cc058a
NN		 2568for item in ${target_configdirs} ; do
2569 case ${olditem} in
2570 "") ;;
e6bfb94a 2571 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
a2cc058a
NN		 2572 esac
2573 olditem=${item}
2574done
a0da8069
NN		 2575serialization_dependencies=serdep.tmp
2576AC_SUBST_FILE(serialization_dependencies)
a2cc058a 2577
e6bfb94a 2578# Base args. Strip norecursion, cache-file, srcdir, host, build,
c6b750e1 2579# target, nonopt, and variable assignments. These are the ones we
30167e0a
NC		 2580# might not want to pass down to subconfigures. The exception being
2581# --cache-file=/dev/null, which is used to turn off the use of cache
2582# files altogether, and which should be passed on to subconfigures.
2583# Also strip program-prefix, program-suffix, and program-transform-name,
2584# so that we can pass down a consistent program-transform-name.
c6b750e1 2585baseargs=
65b4571a 2586tbaseargs=
c6b750e1
DJ		 2587keep_next=no
2588skip_next=no
2589eval "set -- $ac_configure_args"
b0aaa663
DJ		 2590for ac_arg
2591do
c6b750e1
DJ		 2592 if test X"$skip_next" = X"yes"; then
2593 skip_next=no
2594 continue
2595 fi
2596 if test X"$keep_next" = X"yes"; then
2597 case $ac_arg in
2598 *\'*)
2599 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2600 esac
2601 baseargs="$baseargs '$ac_arg'"
65b4571a 2602 tbaseargs="$tbaseargs '$ac_arg'"
c6b750e1
DJ		 2603 keep_next=no
2604 continue
2605 fi
2606
2607 # Handle separated arguments. Based on the logic generated by
2608 # autoconf 2.59.
2609 case $ac_arg in
2610 *=* | --config-cache | -C | -disable-* | --disable-* \
2611 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2612 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2613 | -with-* | --with-* | -without-* | --without-* | --x)
2614 separate_arg=no
2615 ;;
2616 -*)
2617 separate_arg=yes
2618 ;;
2619 *)
2620 separate_arg=no
2621 ;;
2622 esac
2623
65b4571a
AO		 2624 skip_targ=no
2625 case $ac_arg in
2626changequote(,)
2627 --with-* | --without-*)
2628 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2629
2630 case $libopt in
2631 *[-_]include)
2632 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2633 ;;
2634 *[-_]lib)
2635 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2636 ;;
2637 *)
2638 lib=$libopt
2639 ;;
2640 esac
2641changequote([,])
2642
2643 case $lib in
2644 mpc | mpfr | gmp | ppl | cloog)
2645 # If we're processing --with-$lib, --with-$lib-include or
2646 # --with-$lib-lib, for one of the libs above, and target is
2647 # different from host, don't pass the current argument to any
2648 # target library's configure.
2649 if test x$is_cross_compiler = xyes; then
2650 skip_targ=yes
2651 fi
2652 ;;
2653 esac
2654 ;;
2655 esac
2656
c6b750e1 2657 case "$ac_arg" in
30167e0a
NC		 2658 --cache-file=/dev/null | \
2659 -cache-file=/dev/null )
2660 # Handled here to avoid the test to skip args below.
2661 baseargs="$baseargs '$ac_arg'"
65b4571a 2662 tbaseargs="$tbaseargs '$ac_arg'"
30167e0a
NC		 2663 # Assert: $separate_arg should always be no.
2664 keep_next=$separate_arg
2665 ;;
c6b750e1
DJ		 2666 --no*)
2667 continue
2668 ;;
2669 --c* | \
2670 --sr* | \
2671 --ho* | \
2672 --bu* | \
2673 --t* | \
2674 --program-* | \
2675 -cache_file* | \
2676 -srcdir* | \
2677 -host* | \
2678 -build* | \
2679 -target* | \
2680 -program-prefix* | \
2681 -program-suffix* | \
2682 -program-transform-name* )
2683 skip_next=$separate_arg
2684 continue
2685 ;;
2686 -*)
2687 # An option. Add it.
2688 case $ac_arg in
2689 *\'*)
2690 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2691 esac
2692 baseargs="$baseargs '$ac_arg'"
65b4571a
AO		 2693 if test X"$skip_targ" = Xno; then
2694 tbaseargs="$tbaseargs '$ac_arg'"
2695 fi
c6b750e1
DJ		 2696 keep_next=$separate_arg
2697 ;;
2698 *)
2699 # Either a variable assignment, or a nonopt (triplet). Don't
2700 # pass it down; let the Makefile handle this.
2701 continue
2702 ;;
2703 esac
2704done
2705# Remove the initial space we just introduced and, as these will be
2706# expanded by make, quote '$'.
2707baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
252b5132 2708
f27d4f92
DJ		 2709# Add in --program-transform-name, after --program-prefix and
2710# --program-suffix have been applied to it. Autoconf has already
2711# doubled dollar signs and backslashes in program_transform_name; we want
2712# the backslashes un-doubled, and then the entire thing wrapped in single
2713# quotes, because this will be expanded first by make and then by the shell.
2714# Also, because we want to override the logic in subdir configure scripts to
2715# choose program_transform_name, replace any s,x,x, with s,y,y,.
2716sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2717${program_transform_name}
2718EOF_SED
2719gcc_transform_name=`cat conftestsed.out`
2720rm -f conftestsed.out
2721baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
65b4571a 2722tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2444379b
BE		 2723if test "$silent" = yes; then
2724 baseargs="$baseargs --silent"
65b4571a 2725 tbaseargs="$tbaseargs --silent"
2444379b 2726fi
34a0f3cf 2727baseargs="$baseargs --disable-option-checking"
65b4571a 2728tbaseargs="$tbaseargs --disable-option-checking"
f27d4f92 2729
4074d5f2
RW		 2730# Record and document user additions to sub configure arguments.
2731AC_ARG_VAR([build_configargs],
2732 [additional configure arguments for build directories])
2733AC_ARG_VAR([host_configargs],
2734 [additional configure arguments for host directories])
2735AC_ARG_VAR([target_configargs],
2736 [additional configure arguments for target directories])
2737
49b7683b
DD		 2738# For the build-side libraries, we just need to pretend we're native,
2739# and not use the same cache file. Multilibs are neither needed nor
2740# desired.
4074d5f2 2741build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}"
91e060aa 2742
ae831be5
NN		 2743# For host modules, accept cache file option, or specification as blank.
2744case "${cache_file}" in
2745"") # empty
2746 cache_file_option="" ;;
a0da8069 2747/* | [[A-Za-z]]:[[\\/]]* ) # absolute path
ae831be5
NN		 2748 cache_file_option="--cache-file=${cache_file}" ;;
2749*) # relative path
2750 cache_file_option="--cache-file=../${cache_file}" ;;
2751esac
2752
82252c06
NN		 2753# Host dirs don't like to share a cache file either, horribly enough.
2754# This seems to be due to autoconf 2.5x stupidity.
4074d5f2 2755host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
ae831be5 2756
65b4571a 2757target_configargs="$target_configargs ${tbaseargs}"
49b7683b 2758
252b5132
RH		 2759# Passing a --with-cross-host argument lets the target libraries know
2760# whether they are being built with a cross-compiler or being built
2761# native. However, it would be better to use other mechanisms to make the
2762# sorts of decisions they want to make on this basis. Please consider
2763# this option to be deprecated. FIXME.
a0c4f3a0 2764if test x${is_cross_compiler} = xyes ; then
c6b750e1 2765 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
252b5132
RH		 2766fi
2767
938d2b74
RW		 2768# Default to --enable-multilib.
2769if test x${enable_multilib} = x ; then
a0da8069 2770 target_configargs="--enable-multilib ${target_configargs}"
938d2b74 2771fi
252b5132
RH		 2772
2773# Pass --with-newlib if appropriate. Note that target_configdirs has
2774# changed from the earlier setting of with_newlib.
a0c4f3a0 2775if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
a0da8069 2776 target_configargs="--with-newlib ${target_configargs}"
252b5132
RH		 2777fi
2778
95036d20
NN		 2779# Different target subdirs use different values of certain variables
2780# (notably CXX). Worse, multilibs use *lots* of different values.
2781# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2782# it doesn't automatically accept command-line overrides of them.
2783# This means it's not safe for target subdirs to share a cache file,
2784# which is disgusting, but there you have it. Hopefully this can be
2785# fixed in future. It's still worthwhile to use a cache file for each
2786# directory. I think.
2787
ae380b45
MS		 2788# Pass the appropriate --build, --host, --target and --cache-file arguments.
2789# We need to pass --target, as newer autoconf's requires consistency
2790# for target_alias and gcc doesn't manage it consistently.
4b900473 2791target_configargs="--cache-file=./config.cache ${target_configargs}"
49b7683b 2792
9e449d3e 2793FLAGS_FOR_TARGET=
7c1f909c 2794case " $target_configdirs " in
75205f78 2795 *" newlib "*)
a0da8069 2796 case " $target_configargs " in
75205f78 2797 *" --with-newlib "*)
9e449d3e 2798 case "$target" in
1f53ca9a
AO		 2799 *-cygwin*)
2800 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 $$s/winsup/w32api/include'
2801 ;;
9e449d3e
AO		 2802 esac
2803
7450026c 2804 # If we're not building GCC, don't discard standard headers.
4d5fd396 2805 if test -d ${srcdir}/gcc; then
63266560 2806 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
7450026c
AO		 2807
2808 if test "${build}" != "${host}"; then
2809 # On Canadian crosses, CC_FOR_TARGET will have already been set
2810 # by `configure', so we won't have an opportunity to add -Bgcc/
2811 # to it. This is right: we don't want to search that directory
2812 # for binaries, but we want the header files in there, so add
2813 # them explicitly.
e552509b 2814 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
7450026c
AO		 2815
2816 # Someone might think of using the pre-installed headers on
2817 # Canadian crosses, in case the installed compiler is not fully
2818 # compatible with the compiler being built. In this case, it
2819 # would be better to flag an error than risking having
2820 # incompatible object files being constructed. We can't
2821 # guarantee that an error will be flagged, but let's hope the
2822 # compiler will do it, when presented with incompatible header
2823 # files.
2824 fi
63266560
DD		 2825 fi
2826
0a0d0041 2827 case "${target}-${is_cross_compiler}" in
ec11bdc6 2828 i[[3456789]]86-*-linux*-no)
0a0d0041
TF		 2829 # Here host == target, so we don't need to build gcc,
2830 # so we don't want to discard standard headers.
2831 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
0a0d0041
TF		 2832 ;;
2833 *)
2834 # If we're building newlib, use its generic headers last, but search
2835 # for any libc-related directories first (so make it the last -B
2836 # switch).
2837 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
691bb5a1
DD		 2838
2839 # If we're building libgloss, find the startup file, simulator library
2840 # and linker script.
2841 case " $target_configdirs " in
2842 *" libgloss "*)
2843 # Look for startup file, simulator library and maybe linker script.
2844 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
2845 # Look for libnosys.a in case the target needs it.
2846 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
2847 # Most targets have the linker script in the source directory.
2848 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
2849 ;;
2850 esac
0a0d0041
TF		 2851 ;;
2852 esac
9e449d3e 2853 ;;
75205f78
DD		 2854 esac
2855 ;;
9e449d3e 2856esac
1f53ca9a 2857
45055374 2858case "$target" in
1f53ca9a
AO		 2859 x86_64-*mingw* | *-w64-mingw*)
2860 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
2861 # however, use a symlink named 'mingw' in ${prefix} .
2862 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
2863 ;;
2864 *-mingw*)
2865 # MinGW can't be handled as Cygwin above since it does not use newlib.
2866 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
2867 ;;
45055374 2868esac
63266560 2869
5fbad20a
DD		 2870# Allow the user to override the flags for
2871# our build compiler if desired.
c66487f8
NC		 2872if test x"${build}" = x"${host}" ; then
2873 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2874 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
2875 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
2876fi
5fbad20a 2877
63266560
DD		 2878# On Canadian crosses, we'll be searching the right directories for
2879# the previously-installed cross compiler, so don't bother to add
2880# flags for directories within the install tree of the compiler
2881# being built; programs in there won't even run.
4d5fd396 2882if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
9e449d3e 2883 # Search for pre-installed headers if nothing else fits.
bba45b8b 2884 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
9e449d3e 2885fi
63266560 2886
7c1f909c 2887if test "x${use_gnu_ld}" = x &&
f48556b1 2888 echo " ${configdirs} " | grep " ld " > /dev/null ; then
9e449d3e 2889 # Arrange for us to find uninstalled linker scripts.
b00612cc 2890 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
9e449d3e
AO		 2891fi
2892
a481dbb7
DD		 2893# Search for other target-specific linker scripts and such.
2894case "${target}" in
4e206d7e
DB		 2895 mep*)
2896 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
2897 ;;
2898esac
2899
a0da8069 2900# Makefile fragments.
3e707e94
PB		 2901for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2902do
2903 eval fragval=\$$frag
2904 if test $fragval != /dev/null; then
2905 eval $frag=${srcdir}/$fragval
2906 fi
2907done
a0da8069
NN		 2908AC_SUBST_FILE(host_makefile_frag)
2909AC_SUBST_FILE(target_makefile_frag)
2910AC_SUBST_FILE(alphaieee_frag)
2911AC_SUBST_FILE(ospace_frag)
2912
2913# Miscellanea: directories, flags, etc.
a0da8069 2914AC_SUBST(RPATH_ENVVAR)
3bbd2f8f 2915AC_SUBST(GCC_SHLIB_SUBDIR)
a0da8069
NN		 2916AC_SUBST(tooldir)
2917AC_SUBST(build_tooldir)
907be67c 2918AC_SUBST(CONFIGURE_GDB_TK)
a0da8069 2919AC_SUBST(GDB_TK)
907be67c 2920AC_SUBST(INSTALL_GDB_TK)
a0da8069
NN		 2921
2922# Build module lists & subconfigure args.
a0da8069 2923AC_SUBST(build_configargs)
6a9cf61e 2924AC_SUBST(build_configdirs)
a0da8069
NN		 2925
2926# Host module lists & subconfigure args.
2927AC_SUBST(host_configargs)
2928AC_SUBST(configdirs)
911e63d0 2929AC_SUBST(target_configdirs)
a0da8069
NN		 2930
2931# Target module lists & subconfigure args.
a0da8069 2932AC_SUBST(target_configargs)
a6df5a19 2933
a0da8069
NN		 2934
2935# Build tools.
b5714970
PB		 2936AC_SUBST(AR_FOR_BUILD)
2937AC_SUBST(AS_FOR_BUILD)
a0da8069 2938AC_SUBST(CC_FOR_BUILD)
b5714970
PB		 2939AC_SUBST(CFLAGS_FOR_BUILD)
2940AC_SUBST(CXXFLAGS_FOR_BUILD)
2941AC_SUBST(CXX_FOR_BUILD)
2942AC_SUBST(DLLTOOL_FOR_BUILD)
2943AC_SUBST(GCJ_FOR_BUILD)
2944AC_SUBST(GFORTRAN_FOR_BUILD)
e552509b 2945AC_SUBST(GOC_FOR_BUILD)
b5714970
PB		 2946AC_SUBST(LDFLAGS_FOR_BUILD)
2947AC_SUBST(LD_FOR_BUILD)
2948AC_SUBST(NM_FOR_BUILD)
2949AC_SUBST(RANLIB_FOR_BUILD)
2950AC_SUBST(WINDMC_FOR_BUILD)
2951AC_SUBST(WINDRES_FOR_BUILD)
a0da8069 2952
be01d343
PB		 2953# Generate default definitions for YACC, M4, LEX and other programs that run
2954# on the build machine. These are used if the Makefile can't locate these
2955# programs in objdir.
2956MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
2957
2958AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
2959case " $build_configdirs " in
2960 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
2961 *" byacc "*) YACC='$$r/$(BUILD_SUBDIR)/byacc/byacc' ;;
2962esac
2963
2964AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
2965case " $build_configdirs " in
2966 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
2967esac
2968
2969AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
2970case " $build_configdirs " in
2971 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
2972esac
2973
2974AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
2975case " $build_configdirs " in
2976 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2977 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
2978esac
2979
2980AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
2981case " $build_configdirs " in
2982 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2983esac
2984
2985AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
2986case " $build_configdirs " in
2987 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
2988 *)
2989changequote(,)
10ad8ef3 2990 # For an installed makeinfo, we require it to be from texinfo 4.7 or
be01d343
PB		 2991 # higher, else we use the "missing" dummy.
2992 if ${MAKEINFO} --version \
10ad8ef3 2993 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
be01d343
PB		 2994 :
2995 else
2996 MAKEINFO="$MISSING makeinfo"
2997 fi
2998 ;;
2999changequote([,])
3000esac
3001
3002# FIXME: expect and dejagnu may become build tools?
3003
3004AC_CHECK_PROGS(EXPECT, expect, expect)
3005case " $configdirs " in
3006 *" expect "*)
3007 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3008 ;;
3009esac
3010
3011AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3012case " $configdirs " in
3013 *" dejagnu "*)
6b89cc21 3014 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
be01d343
PB		 3015 ;;
3016esac
3017
3018
a0da8069 3019# Host tools.
05cbd757
PB		 3020NCN_STRICT_CHECK_TOOLS(AR, ar)
3021NCN_STRICT_CHECK_TOOLS(AS, as)
3022NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3023NCN_STRICT_CHECK_TOOLS(LD, ld)
be01d343 3024NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
05cbd757 3025NCN_STRICT_CHECK_TOOLS(NM, nm)
ba98da75
RO		 3026NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3027NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
05cbd757 3028NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
0c24b341 3029NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
05cbd757
PB		 3030NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3031NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
a0da8069
NN		 3032AC_SUBST(CC)
3033AC_SUBST(CXX)
3034AC_SUBST(CFLAGS)
3035AC_SUBST(CXXFLAGS)
a0da8069 3036
be01d343 3037# Target tools.
2429c060 3038AC_ARG_WITH([build-time-tools],
7837304f
AS		 3039 [AS_HELP_STRING([--with-build-time-tools=PATH],
3040 [use given path to find target tools during the build])],
2429c060
PB		 3041 [case x"$withval" in
3042 x/*) ;;
3043 *)
3044 with_build_time_tools=
3045 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3046 ;;
3047 esac],
3048 [with_build_time_tools=])
3049
05cbd757
PB		 3050NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3051NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
05cbd757
PB		 3052NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3053NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3054NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
e552509b 3055NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
2429c060
PB		 3056
3057ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3058ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3059ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3060ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3061ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3062ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3063ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
ba98da75 3064ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
2429c060
PB		 3065ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3066ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
0c24b341 3067ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
55db4b87 3068
be01d343
PB		 3069RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3070
3071GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3072GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3073GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
950386c6 3074dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
be01d343 3075GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
950386c6 3076 [gcc/g++ -B$$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],
be01d343
PB		 3077 c++)
3078GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3079 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3080 c++)
3081GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3082GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3083GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3084 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3085GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3086 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
e552509b
ILT		 3087GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3088 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
be01d343
PB		 3089GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3090GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3091GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3092GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3093GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
9b980aa1 3094GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
be01d343 3095GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
0c24b341 3096GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
55db4b87 3097
be01d343 3098AC_SUBST(FLAGS_FOR_TARGET)
55db4b87 3099AC_SUBST(RAW_CXX_FOR_TARGET)
54752a6b 3100
a0da8069
NN		 3101# Certain tools may need extra flags.
3102AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3103RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3104NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
252b5132 3105
be01d343
PB		 3106# When building target libraries, except in a Canadian cross, we use
3107# the same toolchain as the compiler we just built.
3108COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3109COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3110COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3111if test $host = $build; then
3112 case " $configdirs " in
3113 *" gcc "*)
3114 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3115 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3116 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3117 ;;
3118 esac
3119fi
3120
3121AC_SUBST(COMPILER_AS_FOR_TARGET)
3122AC_SUBST(COMPILER_LD_FOR_TARGET)
3123AC_SUBST(COMPILER_NM_FOR_TARGET)
3124
6b784d9f
AO		 3125AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3126AC_ARG_ENABLE(maintainer-mode,
7837304f
AS		 3127[AS_HELP_STRING([--enable-maintainer-mode],
3128 [enable make rules and dependencies not useful
3129 (and sometimes confusing) to the casual installer])],
6b784d9f
AO		 3130 USE_MAINTAINER_MODE=$enableval,
3131 USE_MAINTAINER_MODE=no)
3132AC_MSG_RESULT($USE_MAINTAINER_MODE)
3133AC_SUBST(MAINTAINER_MODE_TRUE)
3134AC_SUBST(MAINTAINER_MODE_FALSE)
3135if test "$USE_MAINTAINER_MODE" = yes; then
3136 MAINTAINER_MODE_TRUE=
3137 MAINTAINER_MODE_FALSE='#'
3138else
3139 MAINTAINER_MODE_TRUE='#'
3140 MAINTAINER_MODE_FALSE=
3141fi
3142MAINT=$MAINTAINER_MODE_TRUE
3143AC_SUBST(MAINT)dnl
3144
1d39f329
NN		 3145# ---------------------
3146# GCC bootstrap support
3147# ---------------------
3148
3149# Stage specific cflags for build.
3150stage1_cflags="-g"
3151case $build in
3152 vax-*-*)
3153 case ${GCC} in
3154 yes) stage1_cflags="-g -Wa,-J" ;;
3155 *) stage1_cflags="-g -J" ;;
3156 esac ;;
1d39f329 3157esac
1d89b610
PB		 3158
3159# This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
e8a5fa9c 3160if test "$GCC" = yes -a "$ENABLE_BUILD_WITH_CXX" != yes; then
1d89b610
PB		 3161 saved_CFLAGS="$CFLAGS"
3162
3163 # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
3164 CFLAGS="$CFLAGS -fkeep-inline-functions"
3165 AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
2038f525
PB		 3166 AC_TRY_COMPILE([
3167#if (__GNUC__ < 3) \
3168 || (__GNUC__ == 3 && (__GNUC_MINOR__ < 3 \
3169 || (__GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ < 1)))
3170#error http://gcc.gnu.org/PR29382
3171#endif
3172 ],,
1d89b610
PB		 3173 [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
3174 [AC_MSG_RESULT([no])])
3175
3176 CFLAGS="$saved_CFLAGS"
3177fi
3178
1d39f329
NN		 3179AC_SUBST(stage1_cflags)
3180
8a0d8a5c
PB		 3181# Enable --enable-checking in stage1 of the compiler.
3182AC_ARG_ENABLE(stage1-checking,
7837304f
AS		 3183[AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3184 [choose additional checking for stage1 of the compiler])],
8a0d8a5c 3185[stage1_checking=--enable-checking=${enable_stage1_checking}],
5566c1fa 3186[if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
2abc4e65 3187 stage1_checking=--enable-checking=yes,types
8a0d8a5c 3188else
5566c1fa 3189 stage1_checking=--enable-checking=$enable_checking,types
8a0d8a5c
PB		 3190fi])
3191AC_SUBST(stage1_checking)
3192
1d39f329 3193# Enable -Werror in bootstrap stage2 and later.
1d39f329 3194AC_ARG_ENABLE(werror,
7837304f
AS		 3195[AS_HELP_STRING([--enable-werror],
3196 [enable -Werror in bootstrap stage2 and later])], [],
a0323144 3197[if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
79fcd0ec
PB		 3198 enable_werror=yes
3199else
3200 enable_werror=no
3201fi])
1a6f2dc7
NN		 3202case ${enable_werror} in
3203 yes) stage2_werror_flag="--enable-werror-always" ;;
3204 *) stage2_werror_flag="" ;;
1d39f329 3205esac
1a6f2dc7 3206AC_SUBST(stage2_werror_flag)
1d39f329 3207
e8a5fa9c
RW		 3208# Specify what files to not compare during bootstrap.
3209
3210compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3211case "$target" in
3212 hppa*64*-*-hpux*) ;;
3213 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3214esac
1f53ca9a
AO		 3215case " $configdirs " in
3216*" ppl "*) compare_exclusions="$compare_exclusions | ppl/src/ppl-config.o" ;;
3217esac
e8a5fa9c
RW		 3218AC_SUBST(compare_exclusions)
3219
06a51eac
RW		 3220AC_CONFIG_FILES([Makefile],
3221 [sed "$extrasub_build" Makefile |
3222 sed "$extrasub_host" |
3223 sed "$extrasub_target" > mf$$
3224 mv -f mf$$ Makefile],
3225 [extrasub_build="$extrasub_build"
3226 extrasub_host="$extrasub_host"
3227 extrasub_target="$extrasub_target"])
3228AC_OUTPUT
GDB Binutils - Deliverables
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