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fix make clean doesn't run in gdbserver/common
[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
a0da8069
NN		 92### we might need to use some other shell than /bin/sh for running subshells
93### If we are on Windows, search for the shell. This will permit people
94### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
95### without also having to set CONFIG_SHELL. This code will work when
96### using bash, which sets OSTYPE.
97case "${OSTYPE}" in
98*win32*)
99 if test x${CONFIG_SHELL} = x ; then
100 if test ! -f /bin/sh ; then
101 if test x${SHELL} != x && test -f ${SHELL} ; then
102 CONFIG_SHELL=${SHELL}
103 export CONFIG_SHELL
104 else
105 for prog in sh sh.exe bash bash.exe; do
106 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
107 for dir in $PATH; do
108 test -z "$dir" && dir=.
109 if test -f $dir/$prog; then
110 CONFIG_SHELL=$dir/$prog
111 export CONFIG_SHELL
112 break
113 fi
114 done
115 IFS="$save_ifs"
116 test -n "${CONFIG_SHELL}" && break
117 done
118 fi
119 fi
120 fi
121 ;;
122esac
123
124config_shell=${CONFIG_SHELL-/bin/sh}
125
a0da8069
NN		 126moveifchange=${srcdir}/move-if-change
127
0fdbe983
DJ		 128srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
129
130# We pass INSTALL explicitly to sub-makes. Make sure that it is not
131# a relative path.
132if test "$INSTALL" = "${srcdir}/install-sh -c"; then
133 INSTALL="${srcpwd}/install-sh -c"
134fi
135
a0da8069
NN		 136# Set srcdir to "." if that's what it is.
137# This is important for multilib support.
138pwd=`${PWDCMD-pwd}`
a0da8069
NN		 139if test "${pwd}" = "${srcpwd}" ; then
140 srcdir=.
141fi
142
143topsrcdir=$srcpwd
252b5132 144
ae831be5 145extra_host_args=
afefada0 146
252b5132
RH		 147### To add a new directory to the tree, first choose whether it is a target
148### or a host dependent tool. Then put it into the appropriate list
a2cc058a 149### (library or tools, host or target), doing a dependency sort.
252b5132 150
a2cc058a
NN		 151# Subdirs will be configured in the order listed in build_configdirs,
152# configdirs, or target_configdirs; see the serialization section below.
153
154# Dependency sorting is only needed when *configuration* must be done in
155# a particular order. In all cases a dependency should be specified in
156# the Makefile, whether or not it's implicitly specified here.
157
158# Double entries in build_configdirs, configdirs, or target_configdirs may
159# cause circular dependencies and break everything horribly.
252b5132 160
6a9cf61e
PB		 161# these library is used by various programs built for the build
162# environment
163#
164build_libs="build-libiberty"
165
166# these tools are built for the build environment
ee025550 167build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fixincludes"
6a9cf61e 168
252b5132
RH		 169# these libraries are used by various programs built for the host environment
170#
1f53ca9a 171host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp libdecnumber gmp mpfr mpc ppl cloog libelf libiconv"
252b5132 172
252b5132
RH		 173# these tools are built for the host environment
174# Note, the powerpc-eabi build depends on sim occurring before gdb in order to
175# know that we are building the simulator.
2af579c4
NN		 176# binutils, gas and ld appear in that order because it makes sense to run
177# "make check" in that particular order.
e6de499b 178# If --enable-gold is used, "gold" may replace "ld".
f9806fa5 179host_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		 180
181# libgcj represents the runtime libraries only used by gcj.
182libgcj="target-libffi \
75205f78
DD		 183 target-zlib \
184 target-qthreads \
185 target-libjava"
252b5132
RH		 186
187# these libraries are built for the target environment, and are built after
188# the host libraries and the host tools (which may be a cross compiler)
189#
b1299c4e
DJ		 190target_libraries="target-libgcc \
191 target-libiberty \
252b5132
RH		 192 target-libgloss \
193 target-newlib \
cff87f51 194 target-libgomp \
b9459e83 195 target-libstdc++-v3 \
4b1cb4fe 196 target-libmudflap \
bb780410 197 target-libssp \
e552509b 198 target-libquadmath \
4b1cb4fe 199 target-libgfortran \
4f0ef2d8 200 target-boehm-gc \
83326456 201 ${libgcj} \
a2592b1b 202 target-libobjc \
e552509b
ILT		 203 target-libada \
204 target-libgo"
252b5132 205
9c14acb8
NN		 206# these tools are built using the target libraries, and are intended to
207# run only in the target environment
252b5132 208#
9c14acb8 209# note: any program that *uses* libraries that are in the "target_libraries"
252b5132
RH		 210# list belongs in this list. those programs are also very likely
211# candidates for the "native_only" list which follows
212#
a3dd767d 213target_tools="target-examples target-groff target-gperf target-rda"
252b5132
RH		 214
215################################################################################
216
252b5132
RH		 217## All tools belong in one of the four categories, and are assigned above
218## We assign ${configdirs} this way to remove all embedded newlines. This
219## is important because configure will choke if they ever get through.
220## ${configdirs} is directories we build using the host tools.
221## ${target_configdirs} is directories we build using the target tools.
252b5132 222configdirs=`echo ${host_libs} ${host_tools}`
9c14acb8 223target_configdirs=`echo ${target_libraries} ${target_tools}`
ee025550 224build_configdirs=`echo ${build_libs} ${build_tools}`
dd12c3a8 225
9cc8ae67 226m4_divert_text([PARSE_ARGS],
6d0cd39e
AM		 227[case $srcdir in
228 *" "*)
229m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
230 AC_MSG_ERROR([path to source, $srcdir, contains spaces])
231m4_popdef([AS_MESSAGE_LOG_FD])dnl
232 ;;
233esac
234ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
9cc8ae67
PB		 235])
236
252b5132
RH		 237################################################################################
238
252b5132
RH		 239srcname="gnu development package"
240
241# This gets set non-empty for some net releases of packages.
242appdirs=""
243
c712250a
DD		 244# Define is_cross_compiler to save on calls to 'test'.
245is_cross_compiler=
246if test x"${host}" = x"${target}" ; then
247 is_cross_compiler=no
248else
249 is_cross_compiler=yes
250fi
251
9175bfc0 252# Find the build and target subdir names.
dd12c3a8 253GCC_TOPLEV_SUBDIRS
2fd0b40b
RW		 254# Be sure to cover against remnants of an in-tree build.
255if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
256 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
257Use a pristine source tree when building in a separate tree])
258fi
252b5132 259
f48556b1
DD		 260# Skipdirs are removed silently.
261skipdirs=
262# Noconfigdirs are removed loudly.
263noconfigdirs=""
252b5132 264
f48556b1
DD		 265use_gnu_ld=
266# Make sure we don't let GNU ld be added if we didn't want it.
267if test x$with_gnu_ld = xno ; then
268 use_gnu_ld=no
93f9b408 269 noconfigdirs="$noconfigdirs ld gold"
252b5132
RH		 270fi
271
f48556b1
DD		 272use_gnu_as=
273# Make sure we don't let GNU as be added if we didn't want it.
274if test x$with_gnu_as = xno ; then
275 use_gnu_as=no
276 noconfigdirs="$noconfigdirs gas"
252b5132
RH		 277fi
278
700d40ca
ILT		 279use_included_zlib=
280# Make sure we don't let ZLIB be added if we didn't want it.
281if test x$with_system_zlib = xyes ; then
282 use_included_zlib=no
283 noconfigdirs="$noconfigdirs zlib"
284fi
285
f48556b1
DD		 286# some tools are so dependent upon X11 that if we're not building with X,
287# it's not even worth trying to configure, much less build, that tool.
252b5132 288
f48556b1
DD		 289case ${with_x} in
290 yes | "") ;; # the default value for this tree is that X11 is available
ff0a3bf8 291 no)
675c6968 292 skipdirs="${skipdirs} tk itcl libgui"
ff0a3bf8
DD		 293 # We won't be able to build gdbtk without X.
294 enable_gdbtk=no
295 ;;
f48556b1
DD		 296 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
297esac
252b5132 298
f48556b1 299# Some tools are only suitable for building in a "native" situation.
405ea7a0 300# Remove these if host!=target.
701628f5 301native_only="autoconf automake libtool fileutils find gawk gettext gzip hello indent m4 rcs recode sed shellutils tar textutils uudecode wdiff target-groff guile perl time ash bash bzip2 prms gnuserv target-gperf"
405ea7a0
NN		 302
303# Similarly, some are only suitable for cross toolchains.
304# Remove these if host=target.
305cross_only="target-libgloss target-newlib target-opcodes"
252b5132 306
f48556b1
DD		 307case $is_cross_compiler in
308 no) skipdirs="${skipdirs} ${cross_only}" ;;
309 yes) skipdirs="${skipdirs} ${native_only}" ;;
310esac
252b5132 311
a32d391c
DD		 312# If both --with-headers and --with-libs are specified, default to
313# --without-newlib.
32be62b5
RS		 314if test x"${with_headers}" != x && test x"${with_headers}" != xno \
315 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
a32d391c
DD		 316 if test x"${with_newlib}" = x ; then
317 with_newlib=no
318 fi
319fi
320
321# Recognize --with-newlib/--without-newlib.
322case ${with_newlib} in
323 no) skipdirs="${skipdirs} target-newlib" ;;
324 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
325esac
326
c7791212
NC		 327# Handle --enable-gold, --enable-ld.
328# --disable-gold [--enable-ld]
329# Build only ld. Default option.
d3b50760
L		 330# --enable-gold [--enable-ld]
331# Build both gold and ld. Install gold as "ld.gold", install ld
332# as "ld.bfd" and "ld".
333# --enable-gold=default [--enable-ld]
c7791212
NC		 334# Build both gold and ld. Install gold as "ld.gold" and "ld",
335# install ld as "ld.bfd".
336# --enable-gold[=default] --disable-ld
337# Build only gold, which is then installed as both "ld.gold" and "ld".
338# --enable-gold --enable-ld=default
d3b50760
L		 339# Build both gold (installed as "ld.gold") and ld (installed as "ld"
340# and ld.bfd).
c7791212
NC		 341# In other words, ld is default
342# --enable-gold=default --enable-ld=default
343# Error.
344
345default_ld=
93f9b408 346AC_ARG_ENABLE(gold,
7837304f
AS		 347[AS_HELP_STRING([[--enable-gold[=ARG]]],
348 [build gold @<:@ARG={default,yes,no}@:>@])],
93f9b408
ILT		 349ENABLE_GOLD=$enableval,
350ENABLE_GOLD=no)
c7791212
NC		 351case "${ENABLE_GOLD}" in
352 yes|default)
e6de499b
NC		 353 # Check for ELF target.
354 is_elf=no
355 case "${target}" in
356 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
357 | *-*-linux* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
358 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-solaris2* | *-*-nto*)
359 case "${target}" in
360 *-*-linux*aout* | *-*-linux*oldld*)
361 ;;
362 *)
363 is_elf=yes
364 ;;
365 esac
366 esac
367
368 if test "$is_elf" = "yes"; then
369 # Check for target supported by gold.
93f9b408 370 case "${target}" in
e6de499b 371 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-*)
c7791212
NC		 372 configdirs="$configdirs gold"
373 if test x${ENABLE_GOLD} = xdefault; then
374 default_ld=gold
375 fi
e6de499b 376 ENABLE_GOLD=yes
93f9b408
ILT		 377 ;;
378 esac
e6de499b
NC		 379 fi
380 ;;
381 no)
382 ;;
383 *)
384 AC_MSG_ERROR([invalid --enable-gold argument])
385 ;;
c7791212
NC		 386esac
387
388AC_ARG_ENABLE(ld,
7837304f
AS		 389[AS_HELP_STRING([[--enable-ld[=ARG]]],
390 [build ld @<:@ARG={default,yes,no}@:>@])],
c7791212
NC		 391ENABLE_LD=$enableval,
392ENABLE_LD=yes)
393
394case "${ENABLE_LD}" in
395 default)
d3b50760 396 if test x${default_ld} != x; then
c7791212
NC		 397 AC_MSG_ERROR([either gold or ld can be the default ld])
398 fi
399 ;;
400 yes)
401 ;;
402 no)
403 if test x${ENABLE_GOLD} != xyes; then
404 AC_MSG_WARN([neither ld nor gold are enabled])
405 fi
406 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'`
407 ;;
408 *)
409 AC_MSG_ERROR([invalid --enable-ld argument])
410 ;;
411esac
93f9b408 412
252b5132
RH		 413# Configure extra directories which are host specific
414
415case "${host}" in
f48556b1 416 *-cygwin*)
3866be5d 417 configdirs="$configdirs libtermcap" ;;
252b5132
RH		 418esac
419
59f7ec45
HPN		 420# A target can indicate whether a language isn't supported for some reason.
421# Only spaces may be used in this macro; not newlines or tabs.
422unsupported_languages=
423
252b5132
RH		 424# Remove more programs from consideration, based on the host or
425# target this usually means that a port of the program doesn't
426# exist yet.
427
252b5132 428case "${host}" in
75205f78
DD		 429 hppa*64*-*-*)
430 noconfigdirs="$noconfigdirs byacc"
431 ;;
ec11bdc6 432 i[[3456789]]86-*-vsta)
675c6968 433 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl gnuserv gettext"
252b5132 434 ;;
ec11bdc6 435 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
675c6968 436 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
bba45b8b 437 ;;
80f6dcbc
NC		 438 x86_64-*-mingw*)
439 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
440 ;;
ec11bdc6 441 i[[3456789]]86-*-mingw32*)
675c6968 442 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv"
45055374 443 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
bba45b8b 444 ;;
ec11bdc6 445 i[[3456789]]86-*-beos*)
675c6968 446 noconfigdirs="$noconfigdirs tk itcl libgui gdb"
bba45b8b 447 ;;
252b5132 448 *-*-cygwin*)
a92834c8 449 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
252b5132
RH		 450 ;;
451 *-*-netbsd*)
a92834c8 452 noconfigdirs="$noconfigdirs rcs"
252b5132
RH		 453 ;;
454 ppc*-*-pe)
675c6968 455 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl gnuserv"
252b5132 456 ;;
ba73c63f 457 powerpc-*-beos*)
675c6968 458 noconfigdirs="$noconfigdirs tk itcl libgui gdb dejagnu readline"
ba73c63f 459 ;;
252b5132
RH		 460esac
461
4b1cb4fe 462
89a1e9c3
PB		 463AC_ARG_ENABLE(libquadmath,
464AS_HELP_STRING([--disable-libquadmath],
465 [do not build libquadmath directory]),
466ENABLE_LIBQUADMATH=$enableval,
467ENABLE_LIBQUADMATH=yes)
468if test "${ENABLE_LIBQUADMATH}" = "no" ; then
469 noconfigdirs="$noconfigdirs target-libquadmath"
470fi
471
472
473AC_ARG_ENABLE(libquadmath-support,
474AS_HELP_STRING([--disable-libquadmath-support],
475 [disable libquadmath support for Fortran]),
476ENABLE_LIBQUADMATH_SUPPORT=$enableval,
477ENABLE_LIBQUADMATH_SUPPORT=yes)
478enable_libquadmath_support=
479if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
480 enable_libquadmath_support=no
481fi
482
483
a2592b1b 484AC_ARG_ENABLE(libada,
7837304f 485[AS_HELP_STRING([--enable-libada], [build libada directory])],
a2592b1b
DD		 486ENABLE_LIBADA=$enableval,
487ENABLE_LIBADA=yes)
488if test "${ENABLE_LIBADA}" != "yes" ; then
b00612cc 489 noconfigdirs="$noconfigdirs gnattools"
a2592b1b
DD		 490fi
491
5f128533 492AC_ARG_ENABLE(libssp,
7837304f 493[AS_HELP_STRING([--enable-libssp], [build libssp directory])],
5f128533
KH		 494ENABLE_LIBSSP=$enableval,
495ENABLE_LIBSSP=yes)
5f128533 496
96111c10
AO		 497# Save it here so that, even in case of --enable-libgcj, if the Java
498# front-end isn't enabled, we still get libgcj disabled.
499libgcj_saved=$libgcj
500case $enable_libgcj in
501yes)
502 # If we reset it here, it won't get added to noconfigdirs in the
503 # target-specific build rules, so it will be forcibly enabled
504 # (unless the Java language itself isn't enabled).
505 libgcj=
506 ;;
507no)
508 # Make sure we get it printed in the list of not supported target libs.
9e1a94f4
ILT		 509 # Don't disable libffi, though, other languages use it.
510 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
33d23ee8
ILT		 511 # Clear libgcj_saved so that even if java is enabled libffi won't be
512 # built.
513 libgcj_saved=
96111c10
AO		 514 ;;
515esac
516
4b1cb4fe 517
a6df5a19
PB		 518# Disable libmudflap on some systems.
519if test x$enable_libmudflap = x ; then
3e707e94 520 case "${target}" in
29383458 521 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu)
3d6dfe0f 522 # Enable libmudflap by default in GNU and friends.
3e707e94
PB		 523 ;;
524 *-*-freebsd*)
525 # Enable libmudflap by default in FreeBSD.
526 ;;
527 *)
528 # Disable it by default everywhere else.
529 noconfigdirs="$noconfigdirs target-libmudflap"
530 ;;
531 esac
a6df5a19 532fi
4b1cb4fe 533
a6df5a19
PB		 534# Disable libgomp on non POSIX hosted systems.
535if test x$enable_libgomp = x ; then
b3ded179
PB		 536 # Enable libgomp by default on hosted POSIX systems.
537 case "${target}" in
29383458 538 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
b3ded179
PB		 539 ;;
540 *-*-netbsd* | *-*-freebsd* | *-*-openbsd*)
541 ;;
64ce424c 542 *-*-solaris2* | *-*-sysv4* | *-*-irix6* | *-*-osf* | *-*-hpux11*)
b3ded179
PB		 543 ;;
544 *-*-darwin* | *-*-aix*)
545 ;;
546 *)
547 noconfigdirs="$noconfigdirs target-libgomp"
548 ;;
549 esac
a6df5a19 550fi
b3ded179 551
691bb5a1
DD		 552# Default libgloss CPU subdirectory.
553libgloss_dir="$target_cpu"
4b1cb4fe 554
252b5132 555case "${target}" in
75205f78 556 *-*-chorusos)
54d1c879 557 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
75205f78 558 ;;
24741ab2 559 powerpc-*-darwin*)
9d39db92 560 noconfigdirs="$noconfigdirs ld gas gdb gprof"
4e3fc8e5 561 noconfigdirs="$noconfigdirs sim target-rda"
b3f16a9b 562 ;;
85bd1942
TG		 563 i[[3456789]]86-*-darwin*)
564 noconfigdirs="$noconfigdirs ld gprof"
565 noconfigdirs="$noconfigdirs sim target-rda"
566 ;;
e8a5fa9c 567 x86_64-*-darwin[[912]]*)
652dec25
TG		 568 noconfigdirs="$noconfigdirs ld gas gprof"
569 noconfigdirs="$noconfigdirs sim target-rda"
570 ;;
04d1ab34 571 *-*-darwin*)
d320aacb 572 noconfigdirs="$noconfigdirs ld gas gdb gprof"
4e3fc8e5 573 noconfigdirs="$noconfigdirs sim target-rda"
54d1c879 574 noconfigdirs="$noconfigdirs ${libgcj}"
04d1ab34 575 ;;
a0da8069 576 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
54d1c879 577 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
ffb97b2f 578 ;;
de0b4a87 579 *-*-freebsd*)
4b1cb4fe
DD		 580 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
581 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
582 && test -f /usr/local/include/gmp.h; then
583 with_gmp=/usr/local
584 fi
585
586 # Skip some stuff that's unsupported on some FreeBSD configurations.
587 case "${target}" in
588 i*86-*-*) ;;
589 alpha*-*-*) ;;
143754cd 590 x86_64-*-*) ;;
4b1cb4fe 591 *)
54d1c879 592 noconfigdirs="$noconfigdirs ${libgcj}"
4b1cb4fe
DD		 593 ;;
594 esac
595 ;;
f8a495c8
NC		 596 *-*-kaos*)
597 # Remove unsupported stuff on all kaOS configurations.
54d1c879 598 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
f8a495c8
NC		 599 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
600 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
601 noconfigdirs="$noconfigdirs target-libgloss"
602 ;;
e82380cc
JT		 603 *-*-netbsd*)
604 # Skip some stuff on all NetBSD configurations.
ae03d6e2 605 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
e82380cc
JT		 606
607 # Skip some stuff that's unsupported on some NetBSD configurations.
608 case "${target}" in
75205f78 609 i*86-*-netbsdelf*) ;;
5b474aa8 610 arm*-*-netbsdelf*) ;;
e82380cc 611 *)
54d1c879 612 noconfigdirs="$noconfigdirs ${libgcj}"
e82380cc
JT		 613 ;;
614 esac
615 ;;
2a3124ca 616 *-*-netware*)
54d1c879 617 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap"
252b5132
RH		 618 ;;
619 *-*-rtems*)
a009f2e7 620 skipdirs="${skipdirs} target-libiberty"
54d1c879 621 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
252b5132 622 ;;
1587117a
EC		 623 # The tpf target doesn't support gdb yet.
624 *-*-tpf*)
54d1c879 625 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj} target-libmudflap gdb tcl tk libgui itcl"
1587117a 626 ;;
c1968181 627 *-*-uclinux*)
54d1c879 628 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
c1968181 629 ;;
252b5132 630 *-*-vxworks*)
54d1c879 631 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty target-libstdc++-v3 ${libgcj}"
252b5132
RH		 632 ;;
633 alpha*-dec-osf*)
e99daf2b
DD		 634 # ld works, but does not support shared libraries.
635 # newlib is not 64 bit ready. I'm not sure about fileutils.
252b5132 636 # gas doesn't generate exception information.
e99daf2b 637 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
252b5132
RH		 638 ;;
639 alpha*-*-*vms*)
d594eacc 640 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
75205f78
DD		 641 ;;
642 alpha*-*-linux*)
643 # newlib is not 64 bit ready
644 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
252b5132
RH		 645 ;;
646 alpha*-*-*)
647 # newlib is not 64 bit ready
54d1c879 648 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
252b5132 649 ;;
4a18bd6b 650 am33_2.0-*-linux*)
54d1c879 651 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
4a18bd6b 652 ;;
75205f78 653 sh-*-linux*)
54d1c879 654 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
75205f78 655 ;;
2fb651f6 656 sh*-*-pe|mips*-*-pe|*arm-wince-pe)
54d1c879 657 noconfigdirs="$noconfigdirs ${libgcj}"
75205f78 658 noconfigdirs="$noconfigdirs target-examples"
ba73c63f 659 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
675c6968 660 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
2fb651f6
NC		 661 noconfigdirs="$noconfigdirs expect dejagnu"
662 # the C++ libraries don't build on top of CE's C libraries
b9459e83 663 noconfigdirs="$noconfigdirs target-libstdc++-v3"
ae03d6e2 664 noconfigdirs="$noconfigdirs target-newlib"
2fb651f6
NC		 665 case "${host}" in
666 *-*-cygwin*) ;; # keep gdb and readline
b9459e83 667 *) noconfigdirs="$noconfigdirs gdb readline"
2fb651f6
NC		 668 ;;
669 esac
691bb5a1 670 libgloss_dir=wince
2fb651f6 671 ;;
252b5132 672 arc-*-*)
54d1c879 673 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
252b5132 674 ;;
caeba88f 675 arm-semi-aof )
caeba88f 676 ;;
f03b4789 677 arm-*-coff | strongarm-*-coff | xscale-*-coff)
54d1c879 678 noconfigdirs="$noconfigdirs ${libgcj}"
691bb5a1 679 libgloss_dir=arm
f03b4789 680 ;;
11b04d1f 681 arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
f03b4789 682 noconfigdirs="$noconfigdirs target-libffi target-qthreads"
691bb5a1 683 libgloss_dir=arm
f03b4789 684 ;;
bd70a46f 685 arm*-*-linux-gnueabi)
6d18b86b 686 noconfigdirs="$noconfigdirs target-qthreads"
a5b3b4dd
DD		 687 case ${with_newlib} in
688 no) noconfigdirs="$noconfigdirs target-newlib target-libgloss"
689 esac
691bb5a1 690 libgloss_dir=arm
bd70a46f 691 ;;
df4a6958 692 arm*-*-symbianelf*)
54d1c879 693 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
691bb5a1 694 libgloss_dir=arm
df4a6958 695 ;;
252b5132 696 arm-*-pe*)
54d1c879 697 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
252b5132 698 ;;
252b5132 699 thumb-*-coff)
54d1c879 700 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
252b5132 701 ;;
252b5132 702 thumb-*-elf)
54d1c879 703 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
252b5132 704 ;;
347dad9e 705 thumb-*-pe)
54d1c879 706 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
252b5132
RH		 707 ;;
708 arm-*-riscix*)
54d1c879 709 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
252b5132 710 ;;
c95f53ae 711 avr-*-*)
266df637 712 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj} target-libssp"
c95f53ae 713 ;;
376a0e54 714 bfin-*-*)
df51e4e1 715 unsupported_languages="$unsupported_languages java"
7837304f 716 noconfigdirs="$noconfigdirs target-boehm-gc"
3cf3372e 717 if test x${is_cross_compiler} != xno ; then
376a0e54
CM		 718 target_configdirs="${target_configdirs} target-bsp target-cygmon"
719 fi
720 ;;
ff72e302 721 c4x-*-* | tic4x-*-*)
54d1c879 722 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
077b8428
NC		 723 ;;
724 c54x*-*-* | tic54x-*-*)
54d1c879 725 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
75205f78 726 ;;
52310858
NC		 727 cr16-*-*)
728 noconfigdirs="$noconfigdirs ${libgcj} gdb"
729 ;;
c7e66c6d 730 cris-*-* | crisv32-*-*)
59f7ec45 731 unsupported_languages="$unsupported_languages java"
c7e66c6d 732 case "${target}" in
2faa2958 733 *-*-aout)
096f7d00 734 unsupported_languages="$unsupported_languages fortran"
59f7ec45 735 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
d357cef7
HPN		 736 *-*-elf) # See PR46792 regarding target-libffi.
737 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
2faa2958 738 *-*-linux*)
5e818318 739 noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
c7e66c6d 740 *)
096f7d00 741 unsupported_languages="$unsupported_languages fortran"
54d1c879 742 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss";;
c7e66c6d 743 esac
691bb5a1 744 libgloss_dir=cris
077b8428 745 ;;
3e707e94 746 crx-*-*)
54d1c879 747 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-mudflap ${libgcj}"
3e707e94 748 ;;
252b5132 749 d10v-*-*)
54d1c879 750 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
252b5132 751 ;;
252b5132 752 d30v-*-*)
54d1c879 753 noconfigdirs="$noconfigdirs ${libgcj} gdb"
252b5132 754 ;;
691bb5a1
DD		 755 ep9312-*-elf | ep9312-*-coff)
756 libgloss_dir=arm
757 ;;
252b5132 758 fr30-*-elf*)
54d1c879 759 noconfigdirs="$noconfigdirs ${libgcj} gdb"
252b5132 760 ;;
d2a86414 761 frv-*-*)
54d1c879 762 noconfigdirs="$noconfigdirs ${libgcj}"
d2a86414 763 ;;
20135e4c
NC		 764 moxie-*-*)
765 noconfigdirs="$noconfigdirs ${libgcj}"
766 noconfigdirs="$noconfigdirs gprof"
767 ;;
dd1e52a4 768 h8300*-*-*)
54d1c879 769 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
dd1e52a4 770 ;;
252b5132 771 h8500-*-*)
54d1c879 772 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
75205f78 773 ;;
caeba88f 774 hppa1.1-*-osf* | hppa1.1-*-bsd* )
caeba88f 775 ;;
75205f78
DD		 776 hppa*64*-*-linux* | parisc*64*-*-linux*)
777 # In this case, it's because the hppa64-linux target is for
778 # the kernel only at this point and has no libc, and thus no
779 # headers, crt*.o, etc., all of which are needed by these.
780 noconfigdirs="$noconfigdirs target-zlib"
252b5132 781 ;;
5dcac624
DA		 782 parisc*-*-linux* | hppa*-*-linux*)
783 ;;
252b5132 784 hppa*-*-*elf* | \
09e90eb4 785 hppa*-*-lites* | \
17240c1f 786 hppa*-*-openbsd* | \
09e90eb4 787 hppa*64*-*-*)
54d1c879 788 noconfigdirs="$noconfigdirs ${libgcj}"
4f0ef2d8
CD		 789 ;;
790 hppa*-hp-hpux11*)
791 noconfigdirs="$noconfigdirs ld shellutils"
252b5132 792 ;;
691bb5a1
DD		 793 hppa*-*-pro*)
794 libgloss_dir=pa
795 ;;
252b5132 796 hppa*-*-*)
b3ed1d6b
AO		 797 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
798 # build on HP-UX 10.20.
54d1c879 799 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
252b5132 800 ;;
b07c2aad 801 i960-*-*)
54d1c879 802 noconfigdirs="$noconfigdirs ${libgcj} gdb"
b07c2aad 803 ;;
2315914d
JW		 804 ia64*-*-elf*)
805 # No gdb support yet.
675c6968 806 noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
2315914d 807 ;;
a0c1c920 808 ia64*-**-hpux*)
92c9a463
JB		 809 # No ld support yet.
810 noconfigdirs="$noconfigdirs ${libgcj} libgui itcl ld"
a0c1c920 811 ;;
19e99079
NC		 812 ia64*-*-*vms*)
813 # No gdb or ld support yet.
814 noconfigdirs="$noconfigdirs ${libgcj} tix readline mmalloc libgui itcl gdb ld"
815 ;;
caeba88f 816 i370-*-opened*)
caeba88f 817 ;;
ec11bdc6 818 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
54d1c879 819 noconfigdirs="$noconfigdirs ${libgcj}"
691bb5a1 820 libgloss_dir=i386
252b5132 821 ;;
ec11bdc6 822 i[[3456789]]86-*-linux*)
28f46298
HPN		 823 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
824 # not build java stuff by default.
825 case "${target}" in
826 *-*-*libc1*)
54d1c879 827 noconfigdirs="$noconfigdirs ${libgcj}";;
28f46298
HPN		 828 esac
829
c72f388d
TF		 830 # This section makes it possible to build newlib natively on linux.
831 # If we are using a cross compiler then don't configure newlib.
a018e15b 832 if test x${is_cross_compiler} != xno ; then
bba45b8b 833 noconfigdirs="$noconfigdirs target-newlib"
c72f388d
TF		 834 fi
835 noconfigdirs="$noconfigdirs target-libgloss"
836 # If we are not using a cross compiler, do configure newlib.
837 # Note however, that newlib will only be configured in this situation
838 # if the --with-newlib option has been given, because otherwise
839 # 'target-newlib' will appear in skipdirs.
c72f388d 840 ;;
1f53ca9a
AO		 841 i[[3456789]]86-w64-mingw*)
842 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
843 ;;
844 i[[3456789]]86-*-mingw*)
45055374
CV		 845 target_configdirs="$target_configdirs target-winsup"
846 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
1f53ca9a 847 ;;
80f6dcbc 848 x86_64-*-mingw*)
80f6dcbc 849 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
1f53ca9a 850 ;;
252b5132
RH		 851 *-*-cygwin*)
852 target_configdirs="$target_configdirs target-libtermcap target-winsup"
e8a5fa9c 853 noconfigdirs="$noconfigdirs target-gperf target-libgloss"
b76d7de0 854 # always build newlib if winsup directory is present.
45055374 855 if test -d "$srcdir/winsup/cygwin"; then
b76d7de0 856 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
ac0fa625 857 elif test -d "$srcdir/newlib"; then
45055374 858 echo "Warning: winsup/cygwin is missing so newlib can't be built."
b76d7de0 859 fi
1f53ca9a 860 ;;
caeba88f
AL		 861 i[[3456789]]86-moss-msdos | i[[3456789]]86-*-moss* | \
862 i[[3456789]]86-*-uwin* | i[[3456789]]86-*-interix* )
caeba88f 863 ;;
ec11bdc6 864 i[[3456789]]86-*-pe)
54d1c879 865 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
252b5132 866 ;;
ec11bdc6 867 i[[3456789]]86-*-sco3.2v5*)
252b5132
RH		 868 # The linker does not yet know about weak symbols in COFF,
869 # and is not configured to handle mixed ELF and COFF.
54d1c879 870 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
252b5132 871 ;;
ec11bdc6 872 i[[3456789]]86-*-sco*)
54d1c879 873 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
252b5132 874 ;;
ec11bdc6 875 i[[3456789]]86-*-solaris2*)
252b5132
RH		 876 noconfigdirs="$noconfigdirs target-libgloss"
877 ;;
ec11bdc6 878 i[[3456789]]86-*-sysv4*)
54d1c879 879 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
252b5132 880 ;;
ec11bdc6 881 i[[3456789]]86-*-beos*)
54d1c879 882 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
bba45b8b 883 ;;
b59bea8a 884 i[[3456789]]86-*-rdos*)
80911fe1
PB		 885 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
886 ;;
b07c2aad 887 m32r-*-*)
54d1c879 888 noconfigdirs="$noconfigdirs ${libgcj}"
b07c2aad 889 ;;
75205f78 890 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
54d1c879 891 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
691bb5a1 892 libgloss_dir=m68hc11
f9e0997d 893 ;;
75205f78 894 m68k-*-elf*)
54d1c879 895 noconfigdirs="$noconfigdirs ${libgcj}"
252b5132
RH		 896 ;;
897 m68k-*-coff*)
54d1c879 898 noconfigdirs="$noconfigdirs ${libgcj}"
252b5132 899 ;;
691bb5a1
DD		 900 m68*-*-* | fido-*-*)
901 libgloss_dir=m68k
902 ;;
75205f78
DD		 903 mcore-*-pe*)
904 # The EPOC C++ environment does not support exceptions or rtti,
905 # and so building libstdc++-v3 tends not to always work.
906 noconfigdirs="$noconfigdirs target-libstdc++-v3"
907 ;;
908 mmix-*-*)
59f7ec45 909 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc gdb libgloss"
096f7d00 910 unsupported_languages="$unsupported_languages fortran java"
75205f78 911 ;;
252b5132 912 mn10200-*-*)
54d1c879 913 noconfigdirs="$noconfigdirs ${libgcj}"
252b5132
RH		 914 ;;
915 mn10300-*-*)
54d1c879 916 noconfigdirs="$noconfigdirs ${libgcj}"
252b5132 917 ;;
4970f871 918 mt-*-*)
cdb9b172
AH		 919 noconfigdirs="$noconfigdirs sim"
920 ;;
887ebfb4
RW		 921 picochip-*-*)
922 noconfigdirs="$noconfigdirs target-libiberty"
923 ;;
252b5132
RH		 924 powerpc-*-aix*)
925 # copied from rs6000-*-* entry
e8a5fa9c 926 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}"
252b5132
RH		 927 ;;
928 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
929 target_configdirs="$target_configdirs target-winsup"
54d1c879 930 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
252b5132
RH		 931 # always build newlib.
932 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
933 ;;
934 # This is temporary until we can link against shared libraries
935 powerpcle-*-solaris*)
54d1c879 936 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
691bb5a1 937 libgloss_dir=rs6000
ba73c63f
JM		 938 ;;
939 powerpc-*-beos*)
54d1c879 940 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
252b5132
RH		 941 ;;
942 powerpc-*-eabi)
54d1c879 943 noconfigdirs="$noconfigdirs ${libgcj}"
691bb5a1 944 libgloss_dir=rs6000
caeba88f
AL		 945 ;;
946 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
691bb5a1 947 libgloss_dir=rs6000
252b5132
RH		 948 ;;
949 rs6000-*-lynxos*)
54d1c879 950 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
252b5132
RH		 951 ;;
952 rs6000-*-aix*)
e8a5fa9c 953 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}"
252b5132
RH		 954 ;;
955 rs6000-*-*)
54d1c879 956 noconfigdirs="$noconfigdirs gprof ${libgcj}"
252b5132
RH		 957 ;;
958 m68k-apollo-*)
54d1c879 959 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
252b5132 960 ;;
25a07265 961 microblaze*)
29821356 962 noconfigdirs="$noconfigdirs gprof target-libssp ${libgcj}"
25a07265 963 ;;
5bd8be13
RS		 964 mips*-sde-elf*)
965 skipdirs="$skipdirs target-libiberty"
966 noconfigdirs="$noconfigdirs ${libgcj}"
967 if test x$with_newlib = xyes; then
968 noconfigdirs="$noconfigdirs gprof"
969 fi
970 libgloss_dir=mips
971 ;;
252b5132 972 mips*-*-irix5*)
54d1c879 973 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
252b5132
RH		 974 ;;
975 mips*-*-irix6*)
b3ed1d6b
AO		 976 # Linking libjava exceeds command-line length limits on at least
977 # IRIX 6.2, but not on IRIX 6.5.
978 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
979 # <oldham@codesourcery.com>
54d1c879 980 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
252b5132 981 ;;
252b5132 982 mips*-*-bsd*)
54d1c879 983 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
252b5132 984 ;;
fad93c55 985 mips*-*-linux*)
574e6d11 986 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
fad93c55 987 ;;
252b5132 988 mips*-*-*)
54d1c879 989 noconfigdirs="$noconfigdirs gprof ${libgcj}"
691bb5a1 990 libgloss_dir=mips
252b5132
RH		 991 ;;
992 romp-*-*)
54d1c879 993 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
252b5132 994 ;;
dbf85af7 995 sh-*-* | sh64-*-*)
252b5132 996 case "${host}" in
ec11bdc6
DD		 997 i[[3456789]]86-*-vsta) ;; # don't add gprof back in
998 i[[3456789]]86-*-go32*) ;; # don't add gprof back in
999 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
252b5132
RH		 1000 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
1001 esac
e8a5fa9c
RW		 1002 case "${target}" in
1003 sh*-*-elf)
1004 noconfigdirs="$noconfigdirs ${libgcj}" ;;
1005 *)
1006 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}" ;;
1007 esac
252b5132 1008 ;;
691bb5a1
DD		 1009 sparclet-*-aout* | sparc86x-*-*)
1010 libgloss_dir=sparc
1011 ;;
252b5132 1012 sparc-*-elf*)
54d1c879 1013 noconfigdirs="$noconfigdirs ${libgcj}"
252b5132
RH		 1014 ;;
1015 sparc64-*-elf*)
54d1c879 1016 noconfigdirs="$noconfigdirs ${libgcj}"
691bb5a1 1017 libgloss_dir=sparc
252b5132
RH		 1018 ;;
1019 sparclite-*-*)
54d1c879 1020 noconfigdirs="$noconfigdirs ${libgcj}"
691bb5a1 1021 libgloss_dir=sparc
252b5132
RH		 1022 ;;
1023 sparc-*-sunos4*)
54d1c879 1024 noconfigdirs="$noconfigdirs ${libgcj}"
a0c4f3a0 1025 if test x${is_cross_compiler} != xno ; then
c74222f7 1026 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
252b5132
RH		 1027 else
1028 use_gnu_ld=no
1029 fi
1030 ;;
e3c770b1 1031 sparc-*-solaris2.[[0-6]] | sparc-*-solaris2.[[0-6]].*)
54d1c879 1032 noconfigdirs="$noconfigdirs ${libgcj}"
e3c770b1 1033 ;;
3a036cdc 1034 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
b3ed1d6b 1035 ;;
619a3713
JM		 1036 tic6x-*-*)
1037 noconfigdirs="$noconfigdirs gdb sim ${libgcj}"
1038 ;;
252b5132 1039 v810-*-*)
54d1c879 1040 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
252b5132 1041 ;;
1cd986c5
NC		 1042 v850*-*-*)
1043 noconfigdirs="$noconfigdirs ${libgcj}"
347dad9e 1044 ;;
252b5132 1045 vax-*-vms)
54d1c879 1046 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
252b5132
RH		 1047 ;;
1048 vax-*-*)
54d1c879 1049 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
96ce09a7 1050 ;;
8b66833e 1051 xtensa*-*-*)
54d1c879 1052 noconfigdirs="$noconfigdirs ${libgcj}"
fbd1054d 1053 ;;
f48556b1 1054 ip2k-*-*)
54d1c879 1055 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
f48556b1 1056 ;;
29383458 1057 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
574e6d11
DD		 1058 noconfigdirs="$noconfigdirs target-newlib target-libgloss"
1059 ;;
252b5132 1060 *-*-lynxos*)
54d1c879 1061 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
252b5132 1062 ;;
75205f78 1063 *-*-*)
54d1c879 1064 noconfigdirs="$noconfigdirs ${libgcj}"
75205f78 1065 ;;
252b5132
RH		 1066esac
1067
1068# If we aren't building newlib, then don't build libgloss, since libgloss
1069# depends upon some newlib header files.
1070case "${noconfigdirs}" in
1071 *target-libgloss*) ;;
1072 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
f48556b1 1073esac
252b5132 1074
f48556b1
DD		 1075# Work in distributions that contain no compiler tools, like Autoconf.
1076tentative_cc=""
a0da8069 1077host_makefile_frag=/dev/null
f48556b1
DD		 1078if test -d ${srcdir}/config ; then
1079case "${host}" in
1080 m68k-hp-hpux*)
1081 # Avoid "too much defining" errors from HPUX compiler.
1082 tentative_cc="cc -Wp,-H256000"
a0da8069
NN		 1083 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
1084 # If it's HP/UX ar, this should be harmless.
1085 RANLIB="ar ts"
f48556b1
DD		 1086 ;;
1087 m68k-apollo-sysv*)
1088 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
f48556b1
DD		 1089 ;;
1090 m68k-apollo-bsd*)
1091 #None of the Apollo compilers can compile gas or binutils. The preprocessor
1092 # chokes on bfd, the compiler won't let you assign integers to enums, and
1093 # other problems. Defining CC to gcc is a questionable way to say "don't use
1094 # the apollo compiler" (the preferred version of GCC could be called cc,
1095 # or whatever), but I'm not sure leaving CC as cc is any better...
1096 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
a0da8069 1097 # Used to have BISON=yacc.
f48556b1 1098 tentative_cc=gcc
f48556b1
DD		 1099 ;;
1100 m88k-dg-dgux*)
1101 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
f48556b1
DD		 1102 ;;
1103 m88k-harris-cxux*)
1104 # Under CX/UX, we want to tell the compiler to use ANSI mode.
1105 tentative_cc="cc -Xa"
1106 host_makefile_frag="config/mh-cxux"
1107 ;;
1108 m88k-motorola-sysv*)
f48556b1
DD		 1109 ;;
1110 mips*-dec-ultrix*)
1111 tentative_cc="cc -Wf,-XNg1000"
1112 host_makefile_frag="config/mh-decstation"
1113 ;;
1114 mips*-nec-sysv4*)
1115 # The C compiler on NEC MIPS SVR4 needs bigger tables.
1116 tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
1117 host_makefile_frag="config/mh-necv4"
1118 ;;
f48556b1
DD		 1119 mips*-sgi-irix4*)
1120 # Tell compiler to use K&R C. We can't compile under the SGI Ansi
1121 # environment. Also bump switch table size so that cp-parse will
1122 # compile. Bump string length limit so linker builds.
1123 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
1124 ;;
f48556b1
DD		 1125 mips*-*-sysv4*)
1126 host_makefile_frag="config/mh-sysv4"
1127 ;;
1128 mips*-*-sysv*)
1129 # This is for a MIPS running RISC/os 4.52C.
1130
1131 # This is needed for GDB, but needs to be in the top-level make because
1132 # if a library is compiled with the bsd headers and gets linked with the
1133 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
1134 # a different size).
1135 # ptrace(2) apparently has problems in the BSD environment. No workaround is
1136 # known except to select the sysv environment. Could we use /proc instead?
1137 # These "sysv environments" and "bsd environments" often end up being a pain.
1138 #
1139 # This is not part of CFLAGS because perhaps not all C compilers have this
1140 # option.
1141 tentative_cc="cc -systype sysv"
f48556b1
DD		 1142 ;;
1143 i370-ibm-opened*)
1144 tentative_cc="c89"
f48556b1 1145 ;;
ec11bdc6 1146 i[[3456789]]86-*-sysv5*)
f48556b1
DD		 1147 host_makefile_frag="config/mh-sysv5"
1148 ;;
ec11bdc6 1149 i[[3456789]]86-*-dgux*)
f48556b1
DD		 1150 tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1151 host_makefile_frag="config/mh-dgux386"
1152 ;;
ec11bdc6 1153 i[[3456789]]86-ncr-sysv4.3*)
f48556b1
DD		 1154 # The MetaWare compiler will generate a copyright message unless you
1155 # turn it off by adding the -Hnocopyr flag.
1156 tentative_cc="cc -Hnocopyr"
f48556b1 1157 ;;
ec11bdc6 1158 i[[3456789]]86-ncr-sysv4*)
f48556b1
DD		 1159 # for an NCR 3000 (i486/SVR4) system.
1160 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
1161 # This compiler not only emits obnoxious copyright messages every time
1162 # you run it, but it chokes and dies on a whole bunch of GNU source
1163 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
1164 tentative_cc="/usr/ccs/ATT/cc"
1165 host_makefile_frag="config/mh-ncr3000"
1166 ;;
ec11bdc6 1167 i[[3456789]]86-*-sco3.2v5*)
f48556b1 1168 ;;
ec11bdc6 1169 i[[3456789]]86-*-sco*)
f48556b1
DD		 1170 # The native C compiler botches some simple uses of const. Unfortunately,
1171 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
1172 tentative_cc="cc -Dconst="
1173 host_makefile_frag="config/mh-sco"
1174 ;;
ec11bdc6 1175 i[[3456789]]86-*-udk*)
f48556b1
DD		 1176 host_makefile_frag="config/mh-sysv5"
1177 ;;
ec11bdc6 1178 i[[3456789]]86-*-solaris2*)
f48556b1
DD		 1179 host_makefile_frag="config/mh-sysv4"
1180 ;;
ec11bdc6 1181 i[[3456789]]86-*-msdosdjgpp*)
f48556b1
DD		 1182 host_makefile_frag="config/mh-djgpp"
1183 ;;
1184 *-cygwin*)
e33b51a6 1185 ACX_CHECK_CYGWIN_CAT_WORKS
f48556b1
DD		 1186 host_makefile_frag="config/mh-cygwin"
1187 ;;
8a1599ab 1188 *-mingw*)
84e7906e 1189 host_makefile_frag="config/mh-mingw"
80f6dcbc 1190 ;;
f48556b1
DD		 1191 *-interix*)
1192 host_makefile_frag="config/mh-interix"
1193 ;;
1194 vax-*-ultrix2*)
1195 # The old BSD pcc isn't up to compiling parts of gdb so use gcc
1196 tentative_cc=gcc
1197 ;;
1198 *-*-solaris2*)
1199 host_makefile_frag="config/mh-solaris"
1200 ;;
1201 m68k-sun-sunos*)
1202 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
1203 # without overflowing the jump tables (-J says to use a 32 bit table)
1204 tentative_cc="cc -J"
1205 ;;
da888c87 1206 hppa*-hp-hpux10*)
f48556b1 1207 tentative_cc="cc -Wp,-H256000"
da888c87 1208 host_makefile_frag="config/mh-pa-hpux10"
f48556b1 1209 ;;
da888c87
PB		 1210 hppa*-hp-hpux* | hppa*-*-hiux*)
1211 tentative_cc="cc -Wp,-H256000"
1212 host_makefile_frag="config/mh-pa"
1213 ;;
1214 hppa*-*)
1215 host_makefile_frag="config/mh-pa"
1216 ;;
1217 *-hp-hpux* | *-*-hiux*)
f48556b1 1218 tentative_cc="cc -Wp,-H256000"
f48556b1
DD		 1219 ;;
1220 rs6000-*-lynxos*)
1221 # /bin/cc is less than useful for our purposes. Always use GCC
1222 tentative_cc="/usr/cygnus/progressive/bin/gcc"
1223 host_makefile_frag="config/mh-lynxrs6k"
1224 ;;
e552509b
ILT		 1225 *-*-darwin*)
1226 host_makefile_frag="config/mh-darwin"
0df3d27f 1227 ;;
f6d183c0
PB		 1228 powerpc-*-aix*)
1229 host_makefile_frag="config/mh-ppc-aix"
1230 ;;
1231 rs6000-*-aix*)
1232 host_makefile_frag="config/mh-ppc-aix"
1233 ;;
f48556b1
DD		 1234 *-*-lynxos*)
1235 # /bin/cc is less than useful for our purposes. Always use GCC
1236 tentative_cc="/bin/gcc"
1237 ;;
1238 *-*-sysv4*)
1239 host_makefile_frag="config/mh-sysv4"
1240 ;;
fe69863c
DD		 1241 # This is placed last to prevent interfering with the cases above.
1242 i[[3456789]]86-*-*)
1243 # Build the stage2 and stage3 compilers with -fomit-frame-pointer.
1244 host_makefile_frag="config/mh-x86omitfp"
1245 ;;
f48556b1
DD		 1246esac
1247fi
1248
9e07f89d
NN		 1249# If we aren't going to be using gcc, see if we can extract a definition
1250# of CC from the fragment.
1251# Actually, use the 'pre-extracted' version above.
1252if test -z "${CC}" && test "${build}" = "${host}" ; then
1253 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
1254 found=
1255 for dir in $PATH; do
1256 test -z "$dir" && dir=.
1257 if test -f $dir/gcc; then
1258 found=yes
1259 break
1260 fi
1261 done
1262 IFS="$save_ifs"
1263 if test -z "${found}" && test -n "${tentative_cc}" ; then
1264 CC=$tentative_cc
1265 fi
1266fi
1267
1268if test "${build}" != "${host}" ; then
b5714970
PB		 1269 AR_FOR_BUILD=${AR_FOR_BUILD-ar}
1270 AS_FOR_BUILD=${AS_FOR_BUILD-as}
9e07f89d 1271 CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
b5714970
PB		 1272 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
1273 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
1274 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
e552509b 1275 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
b5714970
PB		 1276 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
1277 LD_FOR_BUILD=${LD_FOR_BUILD-ld}
1278 NM_FOR_BUILD=${NM_FOR_BUILD-nm}
1279 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
1280 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
1281 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
9e07f89d 1282else
b5714970
PB		 1283 AR_FOR_BUILD="\$(AR)"
1284 AS_FOR_BUILD="\$(AS)"
9e07f89d 1285 CC_FOR_BUILD="\$(CC)"
b5714970
PB		 1286 CXX_FOR_BUILD="\$(CXX)"
1287 GCJ_FOR_BUILD="\$(GCJ)"
1288 GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
e552509b 1289 GOC_FOR_BUILD="\$(GOC)"
b5714970
PB		 1290 DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
1291 LD_FOR_BUILD="\$(LD)"
1292 NM_FOR_BUILD="\$(NM)"
1293 RANLIB_FOR_BUILD="\$(RANLIB)"
1294 WINDRES_FOR_BUILD="\$(WINDRES)"
1295 WINDMC_FOR_BUILD="\$(WINDMC)"
24ff9987 1296fi
9e07f89d 1297
24ff9987
DJ		 1298AC_PROG_CC
1299AC_PROG_CXX
1300
1301# We must set the default linker to the linker used by gcc for the correct
1302# operation of libtool. If LD is not defined and we are using gcc, try to
1303# set the LD default to the ld used by gcc.
1304if test -z "$LD"; then
1305 if test "$GCC" = yes; then
1306 case $build in
1307 *-*-mingw*)
1308 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1309 *)
1310 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1311 esac
1312 case $gcc_prog_ld in
1313 # Accept absolute paths.
1314 [[\\/]* | [A-Za-z]:[\\/]*)]
1315 LD="$gcc_prog_ld" ;;
1316 esac
1317 fi
9e07f89d
NN		 1318fi
1319
1320ACX_PROG_GNAT
b8908782 1321ACX_PROG_CMP_IGNORE_INITIAL
9e07f89d 1322
e8a5fa9c
RW		 1323# See if we are building gcc with C++.
1324AC_ARG_ENABLE(build-with-cxx,
7837304f
AS		 1325[AS_HELP_STRING([--enable-build-with-cxx],
1326 [build with C++ compiler instead of C compiler])],
e8a5fa9c
RW		 1327ENABLE_BUILD_WITH_CXX=$enableval,
1328ENABLE_BUILD_WITH_CXX=no)
1329
d5f2ee2e
KG		 1330# Used for setting $lt_cv_objdir
1331_LT_CHECK_OBJDIR
1332
e8a5fa9c 1333# Check for GMP, MPFR and MPC
d9b76ff9 1334gmplibs="-lmpc -lmpfr -lgmp"
4b1cb4fe 1335gmpinc=
4b900473 1336have_gmp=no
e8a5fa9c
RW		 1337
1338# Specify a location for mpc
1339# check for this first so it ends up on the link line before mpfr.
7837304f
AS		 1340AC_ARG_WITH(mpc,
1341[AS_HELP_STRING([--with-mpc=PATH],
1342 [specify prefix directory for installed MPC package.
1343 Equivalent to --with-mpc-include=PATH/include
1344 plus --with-mpc-lib=PATH/lib])])
1345AC_ARG_WITH(mpc-include,
1346[AS_HELP_STRING([--with-mpc-include=PATH],
1347 [specify directory for installed MPC include files])])
1348AC_ARG_WITH(mpc-lib,
1349[AS_HELP_STRING([--with-mpc-lib=PATH],
1350 [specify directory for the installed MPC library])])
e8a5fa9c
RW		 1351
1352if test "x$with_mpc" != x; then
d9b76ff9
KG		 1353 gmplibs="-L$with_mpc/lib $gmplibs"
1354 gmpinc="-I$with_mpc/include $gmpinc"
e8a5fa9c
RW		 1355fi
1356if test "x$with_mpc_include" != x; then
d9b76ff9 1357 gmpinc="-I$with_mpc_include $gmpinc"
e8a5fa9c
RW		 1358fi
1359if test "x$with_mpc_lib" != x; then
d9b76ff9 1360 gmplibs="-L$with_mpc_lib $gmplibs"
e8a5fa9c
RW		 1361fi
1362if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
d5f2ee2e 1363 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
d9b76ff9 1364 gmpinc='-I$$s/mpc/src '"$gmpinc"
e8a5fa9c
RW		 1365 # Do not test the mpc version. Assume that it is sufficient, since
1366 # it is in the source tree, and the library has not been built yet
1367 # but it would be included on the link line in the version check below
1368 # hence making the test fail.
d9b76ff9 1369 have_gmp=yes
e8a5fa9c 1370fi
4b900473 1371
11b04d1f
DD		 1372# Specify a location for mpfr
1373# check for this first so it ends up on the link line before gmp.
7837304f
AS		 1374AC_ARG_WITH(mpfr-dir,
1375[AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
1376[AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1377Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
1378
1379AC_ARG_WITH(mpfr,
1380[AS_HELP_STRING([--with-mpfr=PATH],
1381 [specify prefix directory for installed MPFR package.
1382 Equivalent to --with-mpfr-include=PATH/include
1383 plus --with-mpfr-lib=PATH/lib])])
1384AC_ARG_WITH(mpfr-include,
1385[AS_HELP_STRING([--with-mpfr-include=PATH],
1386 [specify directory for installed MPFR include files])])
1387AC_ARG_WITH(mpfr-lib,
1388[AS_HELP_STRING([--with-mpfr-lib=PATH],
1389 [specify directory for the installed MPFR library])])
11b04d1f
DD		 1390
1391if test "x$with_mpfr" != x; then
1392 gmplibs="-L$with_mpfr/lib $gmplibs"
d9b76ff9 1393 gmpinc="-I$with_mpfr/include $gmpinc"
11b04d1f 1394fi
8a0d8a5c 1395if test "x$with_mpfr_include" != x; then
d9b76ff9 1396 gmpinc="-I$with_mpfr_include $gmpinc"
8a0d8a5c
PB		 1397fi
1398if test "x$with_mpfr_lib" != x; then
1399 gmplibs="-L$with_mpfr_lib $gmplibs"
1400fi
4b900473 1401if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
d5f2ee2e 1402 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
4b900473 1403 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
d5f2ee2e 1404 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
4b900473
PB		 1405 # Do not test the mpfr version. Assume that it is sufficient, since
1406 # it is in the source tree, and the library has not been built yet
1407 # but it would be included on the link line in the version check below
1408 # hence making the test fail.
1409 have_gmp=yes
1410fi
11b04d1f 1411
4b1cb4fe 1412# Specify a location for gmp
7837304f
AS		 1413AC_ARG_WITH(gmp-dir,
1414[AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
1415[AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1416Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
1417
1418AC_ARG_WITH(gmp,
1419[AS_HELP_STRING([--with-gmp=PATH],
1420 [specify prefix directory for the installed GMP package.
1421 Equivalent to --with-gmp-include=PATH/include
1422 plus --with-gmp-lib=PATH/lib])])
1423AC_ARG_WITH(gmp-include,
1424[AS_HELP_STRING([--with-gmp-include=PATH],
1425 [specify directory for installed GMP include files])])
1426AC_ARG_WITH(gmp-lib,
1427[AS_HELP_STRING([--with-gmp-lib=PATH],
1428 [specify directory for the installed GMP library])])
4b1cb4fe 1429
4b1cb4fe 1430
11b04d1f
DD		 1431if test "x$with_gmp" != x; then
1432 gmplibs="-L$with_gmp/lib $gmplibs"
1433 gmpinc="-I$with_gmp/include $gmpinc"
4b1cb4fe 1434fi
8a0d8a5c
PB		 1435if test "x$with_gmp_include" != x; then
1436 gmpinc="-I$with_gmp_include $gmpinc"
1437fi
1438if test "x$with_gmp_lib" != x; then
1439 gmplibs="-L$with_gmp_lib $gmplibs"
1440fi
4b900473 1441if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
d5f2ee2e 1442 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs"
4b900473 1443 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
29821356 1444 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
d5f2ee2e 1445 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
4b900473
PB		 1446 # Do not test the gmp version. Assume that it is sufficient, since
1447 # it is in the source tree, and the library has not been built yet
1448 # but it would be included on the link line in the version check below
1449 # hence making the test fail.
1450 have_gmp=yes
1451fi
4b1cb4fe 1452
ceb92e78 1453if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
4b900473
PB		 1454 have_gmp=yes
1455 saved_CFLAGS="$CFLAGS"
1456 CFLAGS="$CFLAGS $gmpinc"
a6b5846e
KG		 1457 # Check for the recommended and required versions of GMP.
1458 AC_MSG_CHECKING([for the correct version of gmp.h])
4b900473 1459 AC_TRY_COMPILE([#include "gmp.h"],[
a6b5846e
KG		 1460 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1461 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1462 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,0)
9dbaa842 1463 choke me
4b900473 1464 #endif
a009f2e7 1465 ], [AC_TRY_COMPILE([#include <gmp.h>],[
a6b5846e
KG		 1466 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
1467 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
1468 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
1469 choke me
1470 #endif
a009f2e7 1471 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
a6b5846e 1472 [AC_MSG_RESULT([no]); have_gmp=no])
4b900473 1473
e8a5fa9c 1474 # If we have GMP, check the MPFR version.
4b900473 1475 if test x"$have_gmp" = xyes; then
a6b5846e
KG		 1476 # Check for the recommended and required versions of MPFR.
1477 AC_MSG_CHECKING([for the correct version of mpfr.h])
e8a5fa9c 1478 AC_TRY_COMPILE([#include <gmp.h>
4b900473 1479 #include <mpfr.h>],[
ef699244 1480 #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,1)
4b900473
PB		 1481 choke me
1482 #endif
a009f2e7 1483 ], [AC_TRY_COMPILE([#include <gmp.h>
e8a5fa9c 1484 #include <mpfr.h>],[
a6b5846e 1485 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
e8a5fa9c
RW		 1486 choke me
1487 #endif
a009f2e7 1488 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
e8a5fa9c
RW		 1489 [AC_MSG_RESULT([no]); have_gmp=no])
1490 fi
1491
1492 # Check for the MPC header version.
d9b76ff9 1493 if test x"$have_gmp" = xyes ; then
a6b5846e 1494 # Check for the recommended and required versions of MPC.
e8a5fa9c
RW		 1495 AC_MSG_CHECKING([for the correct version of mpc.h])
1496 AC_TRY_COMPILE([#include <mpc.h>],[
a6b5846e 1497 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
e8a5fa9c
RW		 1498 choke me
1499 #endif
a009f2e7 1500 ], [AC_TRY_COMPILE([#include <mpc.h>],[
a6b5846e
KG		 1501 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
1502 choke me
1503 #endif
a009f2e7 1504 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
a6b5846e 1505 [AC_MSG_RESULT([no]); have_gmp=no])
e8a5fa9c
RW		 1506 fi
1507
1508 # Now check the MPFR library.
1509 if test x"$have_gmp" = xyes; then
1510 saved_LIBS="$LIBS"
1511 LIBS="$LIBS $gmplibs"
d9b76ff9
KG		 1512 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
1513 AC_TRY_LINK([#include <mpc.h>],[
a3ca38d2
DD		 1514 mpfr_t n;
1515 mpfr_t x;
d9b76ff9 1516 mpc_t c;
4b900473 1517 int t;
a3ca38d2
DD		 1518 mpfr_init (n);
1519 mpfr_init (x);
4b900473
PB		 1520 mpfr_atan2 (n, n, x, GMP_RNDN);
1521 mpfr_erfc (n, x, GMP_RNDN);
1522 mpfr_subnormalize (x, t, GMP_RNDN);
d9b76ff9
KG		 1523 mpfr_clear(n);
1524 mpfr_clear(x);
1525 mpc_init2 (c, 53);
1526 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
1527 mpc_cosh (c, c, MPC_RNDNN);
1528 mpc_pow (c, c, c, MPC_RNDNN);
1529 mpc_acosh (c, c, MPC_RNDNN);
1530 mpc_clear (c);
e8a5fa9c
RW		 1531 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1532 LIBS="$saved_LIBS"
4b900473 1533 fi
e8a5fa9c 1534
4b900473 1535 CFLAGS="$saved_CFLAGS"
4b1cb4fe 1536
a6b5846e
KG		 1537# The library versions listed in the error message below should match
1538# the HARD-minimums enforced above.
4b900473 1539 if test x$have_gmp != xyes; then
a6b5846e 1540 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.3.1+ and MPC 0.8.0+.
d9b76ff9
KG		 1541Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
1542their locations. Source code for these libraries can be found at
1543their respective hosting sites as well as at
1544ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
1545http://gcc.gnu.org/install/prerequisites.html for additional info. If
1546you obtained GMP, MPFR and/or MPC from a vendor distribution package,
1547make sure that you have installed both the libraries and the header
1548files. They may be located in separate packages.])
4b900473 1549 fi
9dbaa842
DD		 1550fi
1551
e8a5fa9c 1552# Flags needed for both GMP, MPFR and/or MPC.
4b1cb4fe
DD		 1553AC_SUBST(gmplibs)
1554AC_SUBST(gmpinc)
e8a5fa9c
RW		 1555AC_SUBST(extra_mpfr_configure_flags)
1556AC_SUBST(extra_mpc_gmp_configure_flags)
1557AC_SUBST(extra_mpc_mpfr_configure_flags)
4b1cb4fe 1558
29383458 1559# Allow host libstdc++ to be specified for static linking with PPL.
7837304f
AS		 1560AC_ARG_WITH(host-libstdcxx,
1561[AS_HELP_STRING([--with-host-libstdcxx=L],
1562 [use linker arguments L to link with libstdc++
1563 when linking with PPL])])
29383458
JM		 1564
1565case $with_host_libstdcxx in
1566 no|yes)
1567 AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
1568 ;;
1569esac
e28c595f 1570
e8a5fa9c
RW		 1571# Linker flags to use for stage1 or when not boostrapping.
1572AC_ARG_WITH(stage1-ldflags,
7837304f 1573[AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
e8a5fa9c
RW		 1574[if test "$withval" = "no" -o "$withval" = "yes"; then
1575 stage1_ldflags=
1576 else
1577 stage1_ldflags=$withval
1578 fi],
1579[stage1_ldflags=])
1580AC_SUBST(stage1_ldflags)
1581
1582# Libraries to use for stage1 or when not bootstrapping.
1583AC_ARG_WITH(stage1-libs,
7837304f 1584[AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
e8a5fa9c
RW		 1585[if test "$withval" = "no" -o "$withval" = "yes"; then
1586 stage1_libs=
1587 else
1588 stage1_libs=$withval
1589 fi],
1590[stage1_libs=$with_host_libstdcxx])
1591AC_SUBST(stage1_libs)
1592
e8a5fa9c
RW		 1593# Libraries to use for stage2 and later builds. This defaults to the
1594# argument passed to --with-host-libstdcxx.
1595AC_ARG_WITH(boot-libs,
7837304f 1596[AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
e8a5fa9c
RW		 1597[if test "$withval" = "no" -o "$withval" = "yes"; then
1598 poststage1_libs=
1599 else
1600 poststage1_libs=$withval
1601 fi],
1602[poststage1_libs=$with_host_libstdcxx])
1603AC_SUBST(poststage1_libs)
1604
143754cd
NC		 1605# Linker flags to use for stage2 and later builds.
1606AC_ARG_WITH(boot-ldflags,
7837304f
AS		 1607[AS_HELP_STRING([--with-boot-ldflags=FLAGS],
1608 [linker flags for stage2 and later])],
143754cd
NC		 1609[if test "$withval" = "no" -o "$withval" = "yes"; then
1610 poststage1_ldflags=
1611 else
1612 poststage1_ldflags=$withval
1613 fi],
1614[poststage1_ldflags=
4f11b223
ILT		 1615 # In stages 2 and 3, default to linking libstdc++ and libgcc
1616 # statically. But if the user explicitly specified the libraries to
1617 # use, trust that they are doing what they want.
1618 if test "$poststage1_libs" = ""; then
143754cd
NC		 1619 poststage1_ldflags="-static-libstdc++ -static-libgcc"
1620 fi])
1621AC_SUBST(poststage1_ldflags)
1622
e28c595f 1623# Check for PPL
b123da99 1624ppllibs=
e28c595f 1625pplinc=
b123da99 1626pwllib=
e28c595f 1627
7837304f
AS		 1628AC_ARG_WITH(ppl,
1629[AS_HELP_STRING([--with-ppl=PATH],
1630 [specify prefix directory for the installed PPL package.
1631 Equivalent to --with-ppl-include=PATH/include
1632 plus --with-ppl-lib=PATH/lib])])
1633AC_ARG_WITH(ppl-include,
1634[AS_HELP_STRING([--with-ppl-include=PATH],
1635 [specify directory for installed PPL include files])])
1636AC_ARG_WITH(ppl-lib,
1637[AS_HELP_STRING([--with-ppl-lib=PATH],
1638 [specify directory for the installed PPL library])])
e28c595f 1639
b123da99
SP		 1640AC_ARG_ENABLE(ppl-version-check,
1641[AS_HELP_STRING([--disable-ppl-version-check],
1642 [disable check for PPL version])])
1643
1644case $with_ppl in
1645 yes | no | "")
1f53ca9a 1646 ;;
29383458 1647 *)
b123da99 1648 ppllibs="-L$with_ppl/lib"
29383458 1649 pplinc="-I$with_ppl/include $pplinc"
b123da99
SP		 1650 if test -d "$with_ppl/lib" && test -d "$with_ppl/include"; then
1651 with_ppl=yes
1652 else
1653 AC_MSG_ERROR([cannot find directories "$with_ppl/lib" or "$with_ppl/include"])
1654 fi
29383458
JM		 1655 ;;
1656esac
b123da99
SP		 1657
1658if test x"$with_ppl_include" != x; then
e28c595f 1659 pplinc="-I$with_ppl_include $pplinc"
b123da99 1660 with_ppl=yes
e28c595f 1661fi
b123da99 1662
e28c595f 1663if test "x$with_ppl_lib" != x; then
b123da99
SP		 1664 ppllibs="-L$with_ppl_lib"
1665 with_ppl=yes
e28c595f 1666fi
b123da99
SP		 1667
1668if test x"$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then
1669 if test x"$enable_watchdog" = xyes; then
1670 pwllib="-lpwl"
1671 fi
1672 ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/interfaces/C/'"$lt_cv_objdir"' -L$$r/$(HOST_SUBDIR)/ppl/src/'"$lt_cv_objdir"
1f53ca9a
AO		 1673 pplinc='-I$$r/$(HOST_SUBDIR)/ppl/src -I$$r/$(HOST_SUBDIR)/ppl/interfaces/C '
1674 enable_ppl_version_check=no
b123da99 1675 with_ppl=yes
e28c595f
JM		 1676fi
1677
86ed8cf6 1678if test "x$with_ppl" != xno; then
b123da99
SP		 1679 if test "x$pwllib" = x; then
1680 saved_LDFLAGS="$LDFLAGS"
1681 LDFLAGS="$LDFLAGS $ppllibs"
1682 AC_CHECK_LIB(pwl,PWL_handle_timeout,[pwllib="-lpwl"])
1683 LDFLAGS="$saved_LDFLAGS"
1684 fi
e28c595f 1685
b123da99
SP		 1686 ppllibs="$ppllibs -lppl_c -lppl $pwllib -lgmpxx"
1687
1688 if test "$enable_ppl_version_check" != no; then
1689 saved_CFLAGS="$CFLAGS"
1690 CFLAGS="$CFLAGS $pplinc $gmpinc"
1691 AC_MSG_CHECKING([for version 0.11 (revision 0 or later) of PPL])
1692 AC_TRY_COMPILE([#include "ppl_c.h"],[
1693 #if PPL_VERSION_MAJOR != 0 || PPL_VERSION_MINOR < 11
1694 choke me
1695 #endif
1696 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); ppllibs= ; pplinc= ; with_ppl=no ])
1697 CFLAGS="$saved_CFLAGS"
1698 fi
e28c595f
JM		 1699fi
1700
1701# Flags needed for PPL
1702AC_SUBST(ppllibs)
1703AC_SUBST(pplinc)
1704
1705
1706# Check for CLOOG
e28c595f 1707
e552509b
ILT		 1708dnl Provide configure switches and initialize clooginc & clooglibs
1709dnl with user input.
1710CLOOG_INIT_FLAGS
1f53ca9a 1711if test "x$with_ppl" = "xno"; then
8d8eef9a
RW		 1712 dnl Only execute fail-action, if CLooG has been requested.
1713 CLOOG_REQUESTED([graphite_requested=yes], [graphite_requested=no])
1714 if test "${graphite_requested}" = yes; then
1715 AC_MSG_ERROR([Unable to find a usable PPL. See config.log for details.])
1716 fi
1f53ca9a
AO		 1717 with_cloog=no
1718fi
e552509b
ILT		 1719if test "x${with_cloog}" = x && test "x${with_cloog_include}" = x \
1720 && test "x${with_cloog_lib}" = x && test -d ${srcdir}/cloog; then
1721 clooglibs='-L$$r/$(HOST_SUBDIR)/cloog/'"$lt_cv_objdir"' '
1722 clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include '
e28c595f 1723fi
e552509b 1724if test "x$with_cloog" != "xno"; then
8d8eef9a 1725 dnl The minimal version of CLooG required for Graphite.
e552509b 1726 dnl
8d8eef9a
RW		 1727 dnl If we use CLooG-Legacy, the provided version information is
1728 dnl ignored.
1729 CLOOG_CHECK_VERSION(0,16,1)
e552509b 1730
8d8eef9a 1731 dnl Only execute fail-action, if CLooG has been requested.
e552509b 1732 CLOOG_IF_FAILED([
8d8eef9a 1733 AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])])
e28c595f
JM		 1734fi
1735
700d40ca
ILT		 1736# Check for LTO support.
1737AC_ARG_ENABLE(lto,
7837304f 1738[AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
700d40ca
ILT		 1739enable_lto=$enableval,
1740enable_lto=yes; default_enable_lto=yes)
1741
74cea91b
DK		 1742ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always.
1743 build_lto_plugin=yes
1744],[if test x"$default_enable_lto" = x"yes" ; then
29821356 1745 case $target in
a8eb3f0a 1746 *-apple-darwin* | *-cygwin* | *-mingw*) ;;
74cea91b 1747 # On other non-ELF platforms, LTO has yet to be validated.
29821356
RW		 1748 *) enable_lto=no ;;
1749 esac
e49e5c92 1750 else
29821356
RW		 1751 # Apart from ELF platforms, only Windows and Darwin support LTO so far.
1752 # It would also be nice to check the binutils support, but we don't
e49e5c92
DK		 1753 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
1754 # warn during gcc/ subconfigure; unless you're bootstrapping with
1755 # -flto it won't be needed until after installation anyway.
1756 case $target in
a8eb3f0a 1757 *-cygwin* | *-mingw* | *-apple-darwin*) ;;
e49e5c92
DK		 1758 *) if test x"$enable_lto" = x"yes"; then
1759 AC_MSG_ERROR([LTO support is not enabled for this target.])
1760 fi
1761 ;;
1762 esac
1763 fi
a8eb3f0a 1764 # Among non-ELF, only Windows platforms support the lto-plugin so far.
74cea91b 1765 # Build it unless LTO was explicitly disabled.
a8eb3f0a 1766 case $target in
74cea91b 1767 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;;
a8eb3f0a
DK		 1768 *) ;;
1769 esac
74cea91b 1770])
700d40ca 1771
e28c595f 1772
947f426e 1773# By default, C is the only stage 1 language.
9b134994 1774stage1_languages=,c,
1d39f329 1775
e8a5fa9c 1776# Target libraries that we bootstrap.
2aa2364a 1777bootstrap_target_libs=,target-libgcc,
e8a5fa9c 1778
9e07f89d
NN		 1779# Figure out what language subdirectories are present.
1780# Look if the user specified --enable-languages="..."; if not, use
1781# the environment variable $LANGUAGES if defined. $LANGUAGES might
1782# go away some day.
1783# NB: embedded tabs in this IF block -- do not untabify
1784if test -d ${srcdir}/gcc; then
1785 if test x"${enable_languages+set}" != xset; then
1786 if test x"${LANGUAGES+set}" = xset; then
1787 enable_languages="${LANGUAGES}"
1788 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1789 else
1790 enable_languages=all
1791 fi
1792 else
1793 if test x"${enable_languages}" = x ||
1794 test x"${enable_languages}" = xyes;
1795 then
1796 echo configure.in: --enable-languages needs at least one language argument 1>&2
1797 exit 1
1798 fi
1799 fi
1800 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
1801
096f7d00
DE		 1802 # 'f95' is the old name for the 'fortran' language. We issue a warning
1803 # and make the substitution.
1804 case ,${enable_languages}, in
1805 *,f95,*)
1806 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1807 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1808 ;;
1809 esac
1810
9e07f89d
NN		 1811 # First scan to see if an enabled language requires some other language.
1812 # We assume that a given config-lang.in will list all the language
1813 # front ends it requires, even if some are required indirectly.
1814 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1815 case ${lang_frag} in
1816 ..) ;;
1817 # The odd quoting in the next line works around
1818 # an apparent bug in bash 1.12 on linux.
1819 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1820 *)
e552509b
ILT		 1821 # From the config-lang.in, get $language, $lang_requires, and
1822 # $lang_requires_boot_languages.
9e07f89d
NN		 1823 language=
1824 lang_requires=
e552509b 1825 lang_requires_boot_languages=
9e07f89d 1826 . ${lang_frag}
e552509b 1827 for other in ${lang_requires} ${lang_requires_boot_languages}; do
9e07f89d
NN		 1828 case ,${enable_languages}, in
1829 *,$other,*) ;;
1830 *,all,*) ;;
1831 *,$language,*)
1832 echo " \`$other' language required by \`$language'; enabling" 1>&2
1833 enable_languages="${enable_languages},${other}"
1834 ;;
1835 esac
1836 done
e552509b
ILT		 1837 for other in ${lang_requires_boot_languages} ; do
1838 if test "$other" != "c"; then
1839 case ,${enable_stage1_languages}, in
1840 *,$other,*) ;;
1841 *,all,*) ;;
1842 *)
1843 case ,${enable_languages}, in
1844 *,$language,*)
1845 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2
1846 enable_stage1_languages="$enable_stage1_languages,${other}"
1847 ;;
1848 esac
1849 ;;
1850 esac
1851 fi
1852 done
9e07f89d
NN		 1853 ;;
1854 esac
1855 done
1856
9b134994 1857 new_enable_languages=,c,
700d40ca
ILT		 1858
1859 # If LTO is enabled, add the LTO front end.
1860 extra_host_libiberty_configure_flags=
1861 if test "$enable_lto" = "yes" ; then
6811fb56
RW		 1862 case ,${enable_languages}, in
1863 *,lto,*) ;;
1864 *) enable_languages="${enable_languages},lto" ;;
1865 esac
a8eb3f0a 1866 if test "${build_lto_plugin}" = "yes" ; then
700d40ca
ILT		 1867 configdirs="$configdirs lto-plugin"
1868 extra_host_libiberty_configure_flags=--enable-shared
1869 fi
1870 fi
1871 AC_SUBST(extra_host_libiberty_configure_flags)
1872
9e07f89d 1873 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
9b134994 1874 potential_languages=,c,
9e07f89d 1875
9e1a94f4
ILT		 1876 enabled_target_libs=
1877 disabled_target_libs=
1878
9e07f89d
NN		 1879 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1880 case ${lang_frag} in
1881 ..) ;;
1882 # The odd quoting in the next line works around
1883 # an apparent bug in bash 1.12 on linux.
1884 ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1885 *)
1886 # From the config-lang.in, get $language, $target_libs,
1d39f329 1887 # $lang_dirs, $boot_language, and $build_by_default
9e07f89d
NN		 1888 language=
1889 target_libs=
1890 lang_dirs=
64ce424c 1891 subdir_requires=
9b134994
PB		 1892 boot_language=no
1893 build_by_default=yes
9e07f89d 1894 . ${lang_frag}
9b134994
PB		 1895 if test x${language} = x; then
1896 echo "${lang_frag} doesn't set \$language." 1>&2
1897 exit 1
1898 fi
1899
1f53ca9a
AO		 1900 if test "$language" = "c++" \
1901 && test "$ENABLE_BUILD_WITH_CXX" = "yes"; then
e8a5fa9c
RW		 1902 boot_language=yes
1903 fi
1904
9b134994
PB		 1905 case ,${enable_languages}, in
1906 *,${language},*)
9e07f89d
NN		 1907 # Language was explicitly selected; include it.
1908 add_this_lang=yes
1909 ;;
9b134994
PB		 1910 *,all,*)
1911 # 'all' was selected, select it if it is a default language
1912 add_this_lang=${build_by_default}
9e07f89d
NN		 1913 ;;
1914 *)
1915 add_this_lang=no
1916 ;;
1917 esac
4b1cb4fe 1918
64ce424c 1919 # Disable languages that need other directories if these aren't available.
1f3f1bbf 1920 for i in $subdir_requires; do
3d3adb43 1921 test -f "$srcdir/gcc/$i/config-lang.in" && continue
64ce424c
PB		 1922 case ,${enable_languages}, in
1923 *,${language},*)
1924 # Specifically requested language; tell them.
1925 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1926 ;;
1927 *)
1928 # Silently disable.
9b134994 1929 add_this_lang=unsupported
64ce424c
PB		 1930 ;;
1931 esac
1932 done
1933
9b134994
PB		 1934 # Disable Ada if no preexisting GNAT is available.
1935 case ,${enable_languages},:${language}:${have_gnat} in
1936 *,${language},*:ada:no)
1937 # Specifically requested language; tell them.
1938 AC_MSG_ERROR([GNAT is required to build $language])
1939 ;;
1940 *:ada:no)
1941 # Silently disable.
1942 add_this_lang=unsupported
1943 ;;
1944 esac
1945
59f7ec45
HPN		 1946 # Disable a language that is unsupported by the target.
1947 case " $unsupported_languages " in
1948 *" $language "*)
9b134994 1949 add_this_lang=unsupported
59f7ec45
HPN		 1950 ;;
1951 esac
1952
4b1cb4fe 1953 case $add_this_lang in
9b134994 1954 unsupported)
9e07f89d 1955 # Remove language-dependent dirs.
9e1a94f4
ILT		 1956 disabled_target_libs="$disabled_target_libs $target_libs"
1957 noconfigdirs="$noconfigdirs $lang_dirs"
1d39f329 1958 ;;
9b134994
PB		 1959 no)
1960 # Remove language-dependent dirs; still show language as supported.
9e1a94f4
ILT		 1961 disabled_target_libs="$disabled_target_libs $target_libs"
1962 noconfigdirs="$noconfigdirs $lang_dirs"
9b134994
PB		 1963 potential_languages="${potential_languages}${language},"
1964 ;;
1965 yes)
1966 new_enable_languages="${new_enable_languages}${language},"
1967 potential_languages="${potential_languages}${language},"
1d39f329 1968 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
9e1a94f4 1969 enabled_target_libs="$enabled_target_libs $target_libs"
f8dc745f
RW		 1970 case "${boot_language}:,$enable_stage1_languages," in
1971 yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
4fa63067 1972 # Add to (comma-separated) list of stage 1 languages.
f8dc745f
RW		 1973 case ",$stage1_languages," in
1974 *,$language,* | ,yes, | ,all,) ;;
1975 *) stage1_languages="${stage1_languages}${language}," ;;
1976 esac
e8a5fa9c
RW		 1977 # We need to bootstrap any supporting libraries.
1978 bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
1d39f329
NN		 1979 ;;
1980 esac
1981 ;;
9e07f89d
NN		 1982 esac
1983 ;;
1984 esac
1985 done
1986
9e1a94f4
ILT		 1987 # Add target libraries which are only needed for disabled languages
1988 # to noconfigdirs.
1989 if test -n "$disabled_target_libs"; then
1990 for dir in $disabled_target_libs; do
1991 case " $enabled_target_libs " in
1992 *" ${dir} "*) ;;
1993 *) noconfigdirs="$noconfigdirs $dir" ;;
1994 esac
1995 done
1996 fi
1997
9b134994 1998 AC_ARG_ENABLE(stage1-languages,
7837304f
AS		 1999 [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
2000 [choose additional languages to build during
2001 stage1. Mostly useful for compiler development])],
9b134994
PB		 2002 [case ,${enable_stage1_languages}, in
2003 ,no,|,,)
2004 # Set it to something that will have no effect in the loop below
2005 enable_stage1_languages=c ;;
2006 ,yes,)
2007 enable_stage1_languages=`echo $new_enable_languages | \
2008 sed -e "s/^,//" -e "s/,$//" ` ;;
2009 *,all,*)
2010 enable_stage1_languages=`echo ,$enable_stage1_languages, | \
2011 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
2012 esac
2013
2014 # Add "good" languages from enable_stage1_languages to stage1_languages,
2015 # while "bad" languages go in missing_languages. Leave no duplicates.
2016 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
2017 case $potential_languages in
2018 *,$i,*)
2019 case $stage1_languages in
2020 *,$i,*) ;;
2021 *) stage1_languages="$stage1_languages$i," ;;
2022 esac ;;
2023 *)
2024 case $missing_languages in
2025 *,$i,*) ;;
2026 *) missing_languages="$missing_languages$i," ;;
2027 esac ;;
2028 esac
2029 done])
2030
2031 # Remove leading/trailing commas that were added for simplicity
2032 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
4b0ac75d 2033 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
9b134994
PB		 2034 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
2035 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
2036
9e07f89d
NN		 2037 if test "x$missing_languages" != x; then
2038 AC_MSG_ERROR([
27258dd4 2039The following requested languages could not be built: ${missing_languages}
9b134994 2040Supported languages are: ${potential_languages}])
9e07f89d 2041 fi
9e07f89d
NN		 2042 if test "x$new_enable_languages" != "x$enable_languages"; then
2043 echo The following languages will be built: ${new_enable_languages}
9b134994 2044 enable_languages="$new_enable_languages"
9e07f89d 2045 fi
9b134994
PB		 2046
2047 AC_SUBST(stage1_languages)
81ec575a 2048 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
9e07f89d
NN		 2049fi
2050
a6df5a19
PB		 2051# Handle --disable-<component> generically.
2052for dir in $configdirs $build_configdirs $target_configdirs ; do
2053 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
9cc8ae67
PB		 2054 varname=`echo $dirname | sed -e s/+/_/g`
2055 if eval test x\${enable_${varname}} "=" xno ; then
a6df5a19
PB		 2056 noconfigdirs="$noconfigdirs $dir"
2057 fi
2058done
2059
4f0ef2d8
CD		 2060# Check for Boehm's garbage collector
2061AC_ARG_ENABLE(objc-gc,
7837304f
AS		 2062[AS_HELP_STRING([--enable-objc-gc],
2063 [enable use of Boehm's garbage collector with the
2064 GNU Objective-C runtime])],
4f0ef2d8
CD		 2065[case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
2066 *,objc,*:*:yes:*target-boehm-gc*)
2067 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
2068 ;;
2069esac])
2070
2071# Make sure we only build Boehm's garbage collector if required.
d42c4017
DA		 2072case ,${enable_languages},:${enable_objc_gc} in
2073 *,objc,*:yes)
4f0ef2d8
CD		 2074 # Keep target-boehm-gc if requested for Objective-C.
2075 ;;
4f0ef2d8 2076 *)
d42c4017
DA		 2077 # Otherwise remove target-boehm-gc depending on target-libjava.
2078 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
2079 noconfigdirs="$noconfigdirs target-boehm-gc"
2080 fi
4f0ef2d8
CD		 2081 ;;
2082esac
2083
caeba88f
AL		 2084# Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
2085# $build_configdirs and $target_configdirs.
9e07f89d
NN		 2086# If we have the source for $noconfigdirs entries, add them to $notsupp.
2087
2088notsupp=""
2089for dir in . $skipdirs $noconfigdirs ; do
caeba88f 2090 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
9e07f89d
NN		 2091 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2092 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
2093 if test -r $srcdir/$dirname/configure ; then
2094 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2095 true
2096 else
2097 notsupp="$notsupp $dir"
2098 fi
2099 fi
2100 fi
caeba88f
AL		 2101 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2102 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
2103 if test -r $srcdir/$dirname/configure ; then
2104 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2105 true
2106 else
2107 notsupp="$notsupp $dir"
2108 fi
2109 fi
2110 fi
9e07f89d
NN		 2111 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2112 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
2113 if test -r $srcdir/$dirname/configure ; then
2114 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2115 true
2116 else
2117 notsupp="$notsupp $dir"
2118 fi
2119 fi
2120 fi
2121done
2122
2123# Sometimes the tools are distributed with libiberty but with no other
2124# libraries. In that case, we don't want to build target-libiberty.
f86e35b8 2125# Don't let libgcc imply libiberty either.
9e07f89d 2126if test -n "${target_configdirs}" ; then
f86e35b8 2127 libgcc=
9e07f89d
NN		 2128 others=
2129 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
f86e35b8
NC		 2130 if test "$i" = "libgcc"; then
2131 libgcc=target-libgcc
2132 elif test "$i" != "libiberty" ; then
9e07f89d
NN		 2133 if test -r $srcdir/$i/configure ; then
2134 others=yes;
2135 break;
2136 fi
2137 fi
2138 done
2139 if test -z "${others}" ; then
f86e35b8 2140 target_configdirs=$libgcc
9e07f89d
NN		 2141 fi
2142fi
2143
2144# Quietly strip out all directories which aren't configurable in this tree.
2145# This relies on all configurable subdirectories being autoconfiscated, which
2146# is now the case.
6a9cf61e
PB		 2147build_configdirs_all="$build_configdirs"
2148build_configdirs=
2149for i in ${build_configdirs_all} ; do
2150 j=`echo $i | sed -e s/build-//g`
2151 if test -f ${srcdir}/$j/configure ; then
2152 build_configdirs="${build_configdirs} $i"
2153 fi
2154done
2155
9e07f89d
NN		 2156configdirs_all="$configdirs"
2157configdirs=
2158for i in ${configdirs_all} ; do
2159 if test -f ${srcdir}/$i/configure ; then
2160 configdirs="${configdirs} $i"
2161 fi
2162done
6a9cf61e 2163
9e07f89d
NN		 2164target_configdirs_all="$target_configdirs"
2165target_configdirs=
2166for i in ${target_configdirs_all} ; do
2167 j=`echo $i | sed -e s/target-//g`
2168 if test -f ${srcdir}/$j/configure ; then
2169 target_configdirs="${target_configdirs} $i"
2170 fi
2171done
2172
2173# Produce a warning message for the subdirs we can't configure.
2174# This isn't especially interesting in the Cygnus tree, but in the individual
2175# FSF releases, it's important to let people know when their machine isn't
2176# supported by the one or two programs in a package.
2177
2178if test -n "${notsupp}" && test -z "${norecursion}" ; then
2179 # If $appdirs is non-empty, at least one of those directories must still
2180 # be configured, or we error out. (E.g., if the gas release supports a
2181 # specified target in some subdirs but not the gas subdir, we shouldn't
2182 # pretend that all is well.)
2183 if test -n "$appdirs" ; then
2184 for dir in $appdirs ; do
2185 if test -r $dir/Makefile.in ; then
2186 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
2187 appdirs=""
2188 break
2189 fi
6a9cf61e 2190 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
9e07f89d
NN		 2191 appdirs=""
2192 break
2193 fi
2194 fi
2195 done
2196 if test -n "$appdirs" ; then
2197 echo "*** This configuration is not supported by this package." 1>&2
2198 exit 1
2199 fi
2200 fi
2201 # Okay, some application will build, or we don't care to check. Still
2202 # notify of subdirs not getting built.
2203 echo "*** This configuration is not supported in the following subdirectories:" 1>&2
2204 echo " ${notsupp}" 1>&2
2205 echo " (Any other directories should still work fine.)" 1>&2
2206fi
2207
2208case "$host" in
2209 *msdosdjgpp*)
2210 enable_gdbtk=no ;;
2211esac
2212
24ff9987
DJ		 2213# To find our prefix, in gcc_cv_tool_prefix.
2214ACX_TOOL_DIRS
2215
9e07f89d
NN		 2216copy_dirs=
2217
a19b6204 2218AC_ARG_WITH([build-sysroot],
7837304f
AS		 2219 [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
2220 [use sysroot as the system root during the build])],
a19b6204
MM		 2221 [if test x"$withval" != x ; then
2222 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
2223 fi],
2224 [SYSROOT_CFLAGS_FOR_TARGET=])
2225AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
2226
8a6ee3ab 2227AC_ARG_WITH([debug-prefix-map],
7837304f
AS		 2228 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
2229 [map A to B, C to D ... in debug information])],
8a6ee3ab
JM		 2230 [if test x"$withval" != x; then
2231 DEBUG_PREFIX_CFLAGS_FOR_TARGET=
2232 for debug_map in $withval; do
2233 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
2234 done
2235 fi],
2236 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
2237AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
2238
7f6ef0c0
PB		 2239# During gcc bootstrap, if we use some random cc for stage1 then CFLAGS
2240# might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS
2241# might also be empty (or "-g", if a non-GCC C++ compiler is in the path).
2242# We want to ensure that TARGET libraries (which we know are built with
2243# gcc) are built with "-O2 -g", so include those options when setting
2244# CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
2245if test "x$CFLAGS_FOR_TARGET" = x; then
2246 CFLAGS_FOR_TARGET=$CFLAGS
2247 case " $CFLAGS " in
2248 *" -O2 "*) ;;
2249 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS" ;;
2250 esac
2251 case " $CFLAGS " in
2252 *" -g "* | *" -g3 "*) ;;
2253 *) CFLAGS_FOR_TARGET="-g $CFLAGS" ;;
2254 esac
2255fi
2256AC_SUBST(CFLAGS_FOR_TARGET)
2257
2258if test "x$CXXFLAGS_FOR_TARGET" = x; then
2259 CXXFLAGS_FOR_TARGET=$CXXFLAGS
2260 case " $CXXFLAGS " in
2261 *" -O2 "*) ;;
2262 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS" ;;
2263 esac
2264 case " $CXXFLAGS " in
2265 *" -g "* | *" -g3 "*) ;;
2266 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS" ;;
2267 esac
2268fi
2269AC_SUBST(CXXFLAGS_FOR_TARGET)
2270
9e07f89d
NN		 2271# Handle --with-headers=XXX. If the value is not "yes", the contents of
2272# the named directory are copied to $(tooldir)/sys-include.
2273if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
2274 if test x${is_cross_compiler} = xno ; then
2275 echo 1>&2 '***' --with-headers is only supported when cross compiling
2276 exit 1
2277 fi
2278 if test x"${with_headers}" != xyes ; then
24ff9987 2279 x=${gcc_cv_tool_prefix}
c6b750e1 2280 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include"
9e07f89d
NN		 2281 fi
2282fi
2283
2284# Handle --with-libs=XXX. If the value is not "yes", the contents of
2285# the name directories are copied to $(tooldir)/lib. Multiple directories
2286# are permitted.
2287if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
2288 if test x${is_cross_compiler} = xno ; then
2289 echo 1>&2 '***' --with-libs is only supported when cross compiling
2290 exit 1
2291 fi
2292 if test x"${with_libs}" != xyes ; then
2293 # Copy the libraries in reverse order, so that files in the first named
2294 # library override files in subsequent libraries.
24ff9987 2295 x=${gcc_cv_tool_prefix}
9e07f89d 2296 for l in ${with_libs}; do
c6b750e1 2297 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}"
9e07f89d
NN		 2298 done
2299 fi
2300fi
2301
700d40ca 2302# Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
2429c060
PB		 2303#
2304# This is done by determining whether or not the appropriate directory
2305# is available, and by checking whether or not specific configurations
2306# have requested that this magic not happen.
2307#
2308# The command line options always override the explicit settings in
2309# configure.in, and the settings in configure.in override this magic.
2310#
2311# If the default for a toolchain is to use GNU as and ld, and you don't
2312# want to do that, then you should use the --without-gnu-as and
700d40ca
ILT		 2313# --without-gnu-ld options for the configure script. Similarly, if
2314# the default is to use the included zlib and you don't want to do that,
2315# you should use the --with-system-zlib option for the configure script.
2429c060
PB		 2316
2317if test x${use_gnu_as} = x &&
2318 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
2319 with_gnu_as=yes
2320 extra_host_args="$extra_host_args --with-gnu-as"
2321fi
2322
2323if test x${use_gnu_ld} = x &&
93f9b408 2324 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then
2429c060
PB		 2325 with_gnu_ld=yes
2326 extra_host_args="$extra_host_args --with-gnu-ld"
2327fi
2328
700d40ca
ILT		 2329if test x${use_included_zlib} = x &&
2330 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
2331 :
2332else
2333 with_system_zlib=yes
2334 extra_host_args="$extra_host_args --with-system-zlib"
2335fi
2336
2429c060
PB		 2337# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
2338# can detect this case.
2339
2340if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
2341 with_newlib=yes
2342 extra_host_args="$extra_host_args --with-newlib"
2343fi
2344
9e07f89d
NN		 2345# Handle ${copy_dirs}
2346set fnord ${copy_dirs}
2347shift
2348while test $# != 0 ; do
2349 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
2350 :
2351 else
2352 echo Copying $1 to $2
2353
2354 # Use the install script to create the directory and all required
2355 # parent directories.
2356 if test -d $2 ; then
2357 :
2358 else
2359 echo >config.temp
2360 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
2361 fi
2362
2363 # Copy the directory, assuming we have tar.
2364 # FIXME: Should we use B in the second tar? Not all systems support it.
2365 (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
2366
2367 # It is the responsibility of the user to correctly adjust all
2368 # symlinks. If somebody can figure out how to handle them correctly
2369 # here, feel free to add the code.
2370
2371 echo $1 > $2/COPIED
2372 fi
2373 shift; shift
2374done
2375
2429c060
PB		 2376# Determine a target-dependent exec_prefix that the installed
2377# gcc will search in. Keep this list sorted by triplet, with
2378# the *-*-osname triplets last.
2379md_exec_prefix=
2380case "${target}" in
2381 alpha*-*-*vms*)
2382 md_exec_prefix=/gnu/lib/gcc-lib
2383 ;;
521ec477 2384 i[[34567]]86-pc-msdosdjgpp*)
2429c060
PB		 2385 md_exec_prefix=/dev/env/DJDIR/bin
2386 ;;
521ec477 2387 i[[34567]]86-*-sco3.2v5*)
2429c060
PB		 2388 if test $with_gnu_as = yes; then
2389 md_exec_prefix=/usr/gnu/bin
2390 else
2391 md_exec_prefix=/usr/ccs/bin/elf
2392 fi
2393 ;;
2394
2395 mn10300-*-* | \
2396 powerpc-*-chorusos* | \
2397 powerpc*-*-eabi* | \
2398 powerpc*-*-sysv* | \
2399 powerpc*-*-kaos* | \
2400 s390x-ibm-tpf*)
2401 md_exec_prefix=/usr/ccs/bin
2402 ;;
2403 sparc64-*-elf*)
2404 ;;
2405 v850*-*-*)
2406 md_exec_prefix=/usr/ccs/bin
2407 ;;
8b66833e 2408 xtensa*-*-elf*)
2429c060
PB		 2409 ;;
2410
2411 *-*-beos* | \
2412 *-*-elf* | \
2413 *-*-hpux* | \
2414 *-*-netware* | \
2415 *-*-nto-qnx* | \
2416 *-*-rtems* | \
2417 *-*-solaris2* | \
521ec477 2418 *-*-sysv[[45]]* | \
2429c060
PB		 2419 *-*-vxworks* | \
2420 *-wrs-windiss)
2421 md_exec_prefix=/usr/ccs/bin
2422 ;;
2423esac
2424
874e38b4
NN		 2425extra_arflags_for_target=
2426extra_nmflags_for_target=
1086bc09 2427extra_ranlibflags_for_target=
a0da8069 2428target_makefile_frag=/dev/null
f48556b1 2429case "${target}" in
4e206d7e
DB		 2430 mep*-*-*)
2431 target_makefile_frag="config/mt-mep"
2432 ;;
77d7106f
AM		 2433 spu-*-*)
2434 target_makefile_frag="config/mt-spu"
2435 ;;
429acdec
RS		 2436 mips*-sde-elf*)
2437 target_makefile_frag="config/mt-sde"
2438 ;;
f3b1e08e
RS		 2439 mipsisa*-*-elfoabi*)
2440 target_makefile_frag="config/mt-mips-elfoabi"
2441 ;;
e7c8859c
RS		 2442 mips*-*-*linux* | mips*-*-gnu*)
2443 target_makefile_frag="config/mt-mips-gnu"
2444 ;;
2a3124ca 2445 *-*-netware*)
b6f83f2a 2446 target_makefile_frag="config/mt-netware"
f48556b1 2447 ;;
29383458 2448 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
3d6dfe0f 2449 target_makefile_frag="config/mt-gnu"
f48556b1 2450 ;;
a0da8069 2451 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
874e38b4
NN		 2452 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
2453 # commands to handle both 32-bit and 64-bit objects. These flags are
2454 # harmless if we're using GNU nm or ar.
2455 extra_arflags_for_target=" -X32_64"
2456 extra_nmflags_for_target=" -B -X32_64"
f48556b1 2457 ;;
92f4e989
JM		 2458 *-*-darwin[[3-9]]*)
2459 # ranlib before Darwin10 requires the -c flag to look at common symbols.
1086bc09
NN		 2460 extra_ranlibflags_for_target=" -c"
2461 ;;
f48556b1 2462 mips*-*-pe | sh*-*-pe | *arm-wince-pe)
b6f83f2a
DD		 2463 target_makefile_frag="config/mt-wince"
2464 ;;
2465esac
2466
a0da8069 2467alphaieee_frag=/dev/null
b6f83f2a
DD		 2468case $target in
2469 alpha*-*-*)
2470 # This just makes sure to use the -mieee option to build target libs.
2471 # This should probably be set individually by each library.
2472 alphaieee_frag="config/mt-alphaieee"
f48556b1
DD		 2473 ;;
2474esac
a0a2c6c6 2475
f48556b1
DD		 2476# If --enable-target-optspace always use -Os instead of -O2 to build
2477# the target libraries, similarly if it is not specified, use -Os
2478# on selected platforms.
a0da8069 2479ospace_frag=/dev/null
f48556b1
DD		 2480case "${enable_target_optspace}:${target}" in
2481 yes:*)
b6f83f2a 2482 ospace_frag="config/mt-ospace"
f48556b1
DD		 2483 ;;
2484 :d30v-*)
b6f83f2a 2485 ospace_frag="config/mt-d30v"
f48556b1
DD		 2486 ;;
2487 :m32r-* | :d10v-* | :fr30-*)
b6f83f2a 2488 ospace_frag="config/mt-ospace"
f48556b1
DD		 2489 ;;
2490 no:* | :*)
2491 ;;
2492 *)
2493 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
2494 ;;
2495esac
252b5132 2496
f48556b1
DD		 2497# Default to using --with-stabs for certain targets.
2498if test x${with_stabs} = x ; then
2499 case "${target}" in
e31d1ea3 2500 mips*-*-irix[[56]]*)
f48556b1
DD		 2501 ;;
2502 mips*-*-* | alpha*-*-osf*)
2503 with_stabs=yes;
ae831be5 2504 extra_host_args="${extra_host_args} --with-stabs"
f48556b1
DD		 2505 ;;
2506 esac
2507fi
2508
2509# hpux11 in 64bit mode has libraries in a weird place. Arrange to find
2510# them automatically.
2511case "${host}" in
2512 hppa*64*-*-hpux11*)
ae831be5 2513 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
f48556b1 2514 ;;
c92a0210
DD		 2515esac
2516
a0da8069
NN		 2517# Some systems (e.g., one of the i386-aix systems the gas testers are
2518# using) don't handle "\$" correctly, so don't use it here.
c6b750e1 2519tooldir='${exec_prefix}'/${target_noncanonical}
a0da8069
NN		 2520build_tooldir=${tooldir}
2521
a0da8069
NN		 2522# Create a .gdbinit file which runs the one in srcdir
2523# and tells GDB to look there for source files.
2524
2525if test -r ${srcdir}/.gdbinit ; then
2526 case ${srcdir} in
2527 .) ;;
2528 *) cat > ./.gdbinit <<EOF
2529# ${NO_EDIT}
2530dir ${srcdir}
2531dir .
2532source ${srcdir}/.gdbinit
2533EOF
2534 ;;
2535 esac
2536fi
2537
252b5132
RH		 2538# Make sure that the compiler is able to generate an executable. If it
2539# can't, we are probably in trouble. We don't care whether we can run the
2540# executable--we might be using a cross compiler--we only care whether it
2541# can be created. At this point the main configure script has set CC.
a0c4f3a0 2542we_are_ok=no
252b5132
RH		 2543echo "int main () { return 0; }" > conftest.c
2544${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
a0c4f3a0
DD		 2545if test $? = 0 ; then
2546 if test -s conftest || test -s conftest.exe ; then
2547 we_are_ok=yes
2548 fi
2549fi
2550case $we_are_ok in
2551 no)
2552 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
2553 echo 1>&2 "*** You must set the environment variable CC to a working compiler."
2554 rm -f conftest*
2555 exit 1
2556 ;;
2557esac
252b5132
RH		 2558rm -f conftest*
2559
2560# The Solaris /usr/ucb/cc compiler does not appear to work.
2561case "${host}" in
2562 sparc-sun-solaris2*)
2563 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
a0da8069 2564 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
252b5132 2565 could_use=
a0c4f3a0
DD		 2566 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
2567 if test -d /opt/cygnus/bin ; then
2568 if test "$could_use" = "" ; then
252b5132
RH		 2569 could_use="/opt/cygnus/bin"
2570 else
2571 could_use="$could_use or /opt/cygnus/bin"
2572 fi
2573 fi
a0c4f3a0 2574 if test "$could_use" = "" ; then
252b5132
RH		 2575 echo "Warning: compilation may fail because you're using"
2576 echo "/usr/ucb/cc. You should change your PATH or CC "
2577 echo "variable and rerun configure."
2578 else
2579 echo "Warning: compilation may fail because you're using"
2580 echo "/usr/ucb/cc, when you should use the C compiler from"
2581 echo "$could_use. You should change your"
2582 echo "PATH or CC variable and rerun configure."
2583 fi
2584 fi
2585 ;;
2586esac
2587
3bbd2f8f 2588# Decide which environment variable is used to find dynamic libraries.
8607b6c9
NN		 2589case "${host}" in
2590 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
9a237d9e 2591 *-*-darwin* | *-*-rhapsody* ) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
3bbd2f8f 2592 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;;
8607b6c9
NN		 2593 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
2594esac
8607b6c9 2595
3bbd2f8f 2596# On systems where the dynamic library environment variable is PATH,
e28c595f
JM		 2597# gcc/ will put dynamic libraries into a subdirectory to avoid adding
2598# built executables to PATH.
3bbd2f8f
AL		 2599if test "$RPATH_ENVVAR" = PATH; then
2600 GCC_SHLIB_SUBDIR=/shlib
2601else
2602 GCC_SHLIB_SUBDIR=
2603fi
2604
3866be5d
NN		 2605# Record target_configdirs and the configure arguments for target and
2606# build configuration in Makefile.
2607target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
6a9cf61e 2608build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
930314a4 2609
2aa2364a
JR		 2610# If we are building libgomp, bootstrap it.
2611if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
2612 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
2613fi
2614
930314a4
NN		 2615# Determine whether gdb needs tk/tcl or not.
2616# Use 'maybe' since enable_gdbtk might be true even if tk isn't available
2617# and in that case we want gdb to be built without tk. Ugh!
2618# In fact I believe gdb is the *only* package directly dependent on tk,
2619# so we should be able to put the 'maybe's in unconditionally and
2620# leave out the maybe dependencies when enable_gdbtk is false. I'm not
2621# 100% sure that that's safe though.
c180f501 2622
675c6968 2623gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
930314a4
NN		 2624case "$enable_gdbtk" in
2625 no)
2626 GDB_TK="" ;;
c180f501
AC		 2627 yes)
2628 GDB_TK="${gdb_tk}" ;;
930314a4 2629 *)
c180f501
AC		 2630 # Only add the dependency on gdbtk when GDBtk is part of the gdb
2631 # distro. Eventually someone will fix this and move Insight, nee
2632 # gdbtk to a separate directory.
2633 if test -d ${srcdir}/gdb/gdbtk ; then
2634 GDB_TK="${gdb_tk}"
2635 else
2636 GDB_TK=""
2637 fi
2638 ;;
930314a4 2639esac
907be67c
DJ		 2640CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
2641INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
930314a4 2642
6bd3dfaa 2643# Strip out unwanted targets.
dd12c3a8
NN		 2644
2645# While at that, we remove Makefiles if we were started for recursive
2646# configuration, so that the top-level Makefile reconfigures them,
2647# like we used to do when configure itself was recursive.
dd12c3a8 2648
06a51eac
RW		 2649# Loop over modules. We used to use the "$extrasub" feature from Autoconf
2650# but now we're fixing up the Makefile ourselves with the additional
2651# commands passed to AC_CONFIG_FILES. Use separate variables
2652# extrasub-{build,host,target} not because there is any reason to split
2653# the substitutions up that way, but only to remain below the limit of
2654# 99 commands in a script, for HP-UX sed.
2655# Do not nest @if/@endif pairs, because configure will not warn you at all.
dd12c3a8 2656
498d4a71 2657AC_ARG_ENABLE([bootstrap],
7837304f
AS		 2658[AS_HELP_STRING([--enable-bootstrap],
2659 [enable bootstrapping @<:@yes if native build@:>@])],,
9cb3fa6f
PB		 2660enable_bootstrap=default)
2661
2662# Issue errors and warnings for invalid/strange bootstrap combinations.
2663case "$configdirs" in
2664 *gcc*) have_compiler=yes ;;
2665 *) have_compiler=no ;;
2666esac
2667
2668case "$have_compiler:$host:$target:$enable_bootstrap" in
2669 *:*:*:no) ;;
2670
0aed8855 2671 # Default behavior. Enable bootstrap if we have a compiler
9cb3fa6f
PB		 2672 # and we are in a native configuration.
2673 yes:$build:$build:default)
0aed8855 2674 enable_bootstrap=yes ;;
9cb3fa6f
PB		 2675
2676 *:*:*:default)
2677 enable_bootstrap=no ;;
2678
2679 # We have a compiler and we are in a native configuration, bootstrap is ok
80911fe1 2680 yes:$build:$build:yes)
9cb3fa6f
PB		 2681 ;;
2682
2683 # Other configurations, but we have a compiler. Assume the user knows
2684 # what he's doing.
80911fe1 2685 yes:*:*:yes)
9cb3fa6f
PB		 2686 AC_MSG_WARN([trying to bootstrap a cross compiler])
2687 ;;
498d4a71 2688
9cb3fa6f 2689 # No compiler: if they passed --enable-bootstrap explicitly, fail
80911fe1 2690 no:*:*:yes)
9cb3fa6f
PB		 2691 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
2692
2693 # Fail if wrong command line
2694 *)
2695 AC_MSG_ERROR([invalid option for --enable-bootstrap])
2696 ;;
2697esac
2698
4385ad3c
RW		 2699case ",$enable_languages,:$ENABLE_BUILD_WITH_CXX:$enable_bootstrap" in
2700 *,c++,*:yes:yes) ;;
2701 *:yes:yes)
2702 AC_MSG_ERROR([bootstrapping with --enable-build-with-cxx requires c++ in --enable-languages])
2703 ;;
2704esac
2705
16b1ad29
RW		 2706case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
2707 yes:yes:*\ gold\ *:*,c++,*) ;;
2708 yes:yes:*\ gold\ *:*)
2709 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
2710 ;;
2711esac
2712
9cb3fa6f 2713# Adjust the toplevel makefile according to whether bootstrap was selected.
96655cc4 2714case $enable_bootstrap in
498d4a71 2715 yes)
96655cc4
AO		 2716 bootstrap_suffix=bootstrap
2717 BUILD_CONFIG=bootstrap-debug
2718 ;;
498d4a71 2719 no)
96655cc4
AO		 2720 bootstrap_suffix=no-bootstrap
2721 BUILD_CONFIG=
2722 ;;
498d4a71 2723esac
498d4a71 2724
96655cc4
AO		 2725AC_MSG_CHECKING(for default BUILD_CONFIG)
2726
2727AC_ARG_WITH([build-config],
7837304f
AS		 2728 [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
2729 [use config/NAME.mk build configuration])],
96655cc4
AO		 2730 [case $with_build_config in
2731 yes) with_build_config= ;;
2732 no) with_build_config= BUILD_CONFIG= ;;
2733 esac])
2734
2735if test "x${with_build_config}" != x; then
2736 BUILD_CONFIG=$with_build_config
2737else
2738 case $BUILD_CONFIG in
2739 bootstrap-debug)
2740 if echo "int f (void) { return 0; }" > conftest.c &&
2741 ${CC} -c conftest.c &&
2742 mv conftest.o conftest.o.g0 &&
2743 ${CC} -c -g conftest.c &&
2744 mv conftest.o conftest.o.g &&
a009f2e7 2745 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
96655cc4
AO		 2746 :
2747 else
2748 BUILD_CONFIG=
2749 fi
2750 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
2751 ;;
2752 esac
2753fi
2754AC_MSG_RESULT($BUILD_CONFIG)
2755AC_SUBST(BUILD_CONFIG)
2756
06a51eac 2757extrasub_build=
6a9cf61e 2758for module in ${build_configdirs} ; do
dd12c3a8
NN		 2759 if test -z "${no_recursion}" \
2760 && test -f ${build_subdir}/${module}/Makefile; then
2761 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
2762 rm -f ${build_subdir}/${module}/Makefile
2763 fi
06a51eac 2764 extrasub_build="$extrasub_build
6bd3dfaa 2765/^@if build-$module\$/d
498d4a71
CF		 2766/^@endif build-$module\$/d
2767/^@if build-$module-$bootstrap_suffix\$/d
2768/^@endif build-$module-$bootstrap_suffix\$/d"
dd12c3a8 2769done
06a51eac 2770extrasub_host=
dd12c3a8 2771for module in ${configdirs} ; do
80911fe1 2772 if test -z "${no_recursion}"; then
8cf39b1b 2773 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
80911fe1
PB		 2774 if test -f ${file}; then
2775 echo 1>&2 "*** removing ${file} to force reconfigure"
2776 rm -f ${file}
2777 fi
2778 done
dd12c3a8 2779 fi
06a51eac 2780 extrasub_host="$extrasub_host
6bd3dfaa 2781/^@if $module\$/d
498d4a71
CF		 2782/^@endif $module\$/d
2783/^@if $module-$bootstrap_suffix\$/d
2784/^@endif $module-$bootstrap_suffix\$/d"
dd12c3a8 2785done
06a51eac 2786extrasub_target=
dd12c3a8
NN		 2787for module in ${target_configdirs} ; do
2788 if test -z "${no_recursion}" \
2789 && test -f ${target_subdir}/${module}/Makefile; then
2790 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
2791 rm -f ${target_subdir}/${module}/Makefile
2792 fi
e8a5fa9c
RW		 2793
2794 # We only bootstrap target libraries listed in bootstrap_target_libs.
2795 case $bootstrap_target_libs in
2796 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
2797 *) target_bootstrap_suffix=no-bootstrap ;;
2798 esac
2799
06a51eac 2800 extrasub_target="$extrasub_target
6bd3dfaa 2801/^@if target-$module\$/d
498d4a71 2802/^@endif target-$module\$/d
e8a5fa9c
RW		 2803/^@if target-$module-$target_bootstrap_suffix\$/d
2804/^@endif target-$module-$target_bootstrap_suffix\$/d"
930314a4 2805done
319cab08 2806
06a51eac
RW		 2807# Do the final fixup along with target modules.
2808extrasub_target="$extrasub_target
6bd3dfaa 2809/^@if /,/^@endif /d"
930314a4 2810
a2cc058a
NN		 2811# Create the serialization dependencies. This uses a temporary file.
2812
e6bfb94a 2813AC_ARG_ENABLE([serial-configure],
7837304f
AS		 2814[AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
2815 [force sequential configuration of
2816 sub-packages for the host, target or build
2817 machine, or all sub-packages])])
1047cb91
DD		 2818
2819case ${enable_serial_configure} in
2820 yes)
2821 enable_serial_build_configure=yes
2822 enable_serial_host_configure=yes
2823 enable_serial_target_configure=yes
2824 ;;
2825esac
e6bfb94a 2826
a2cc058a
NN		 2827# These force 'configure's to be done one at a time, to avoid problems
2828# with contention over a shared config.cache.
2829rm -f serdep.tmp
e6bfb94a 2830echo '# serdep.tmp' > serdep.tmp
a2cc058a 2831olditem=
1047cb91 2832test "x${enable_serial_build_configure}" = xyes &&
a2cc058a
NN		 2833for item in ${build_configdirs} ; do
2834 case ${olditem} in
2835 "") ;;
e6bfb94a 2836 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
a2cc058a
NN		 2837 esac
2838 olditem=${item}
2839done
2840olditem=
1047cb91 2841test "x${enable_serial_host_configure}" = xyes &&
a2cc058a
NN		 2842for item in ${configdirs} ; do
2843 case ${olditem} in
2844 "") ;;
e6bfb94a 2845 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
a2cc058a
NN		 2846 esac
2847 olditem=${item}
2848done
2849olditem=
1047cb91 2850test "x${enable_serial_target_configure}" = xyes &&
a2cc058a
NN		 2851for item in ${target_configdirs} ; do
2852 case ${olditem} in
2853 "") ;;
e6bfb94a 2854 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
a2cc058a
NN		 2855 esac
2856 olditem=${item}
2857done
a0da8069
NN		 2858serialization_dependencies=serdep.tmp
2859AC_SUBST_FILE(serialization_dependencies)
a2cc058a 2860
e6bfb94a 2861# Base args. Strip norecursion, cache-file, srcdir, host, build,
c6b750e1 2862# target, nonopt, and variable assignments. These are the ones we
30167e0a
NC		 2863# might not want to pass down to subconfigures. The exception being
2864# --cache-file=/dev/null, which is used to turn off the use of cache
2865# files altogether, and which should be passed on to subconfigures.
2866# Also strip program-prefix, program-suffix, and program-transform-name,
2867# so that we can pass down a consistent program-transform-name.
c6b750e1 2868baseargs=
65b4571a 2869tbaseargs=
c6b750e1
DJ		 2870keep_next=no
2871skip_next=no
2872eval "set -- $ac_configure_args"
b0aaa663
DJ		 2873for ac_arg
2874do
c6b750e1
DJ		 2875 if test X"$skip_next" = X"yes"; then
2876 skip_next=no
2877 continue
2878 fi
2879 if test X"$keep_next" = X"yes"; then
2880 case $ac_arg in
2881 *\'*)
2882 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2883 esac
2884 baseargs="$baseargs '$ac_arg'"
65b4571a 2885 tbaseargs="$tbaseargs '$ac_arg'"
c6b750e1
DJ		 2886 keep_next=no
2887 continue
2888 fi
2889
2890 # Handle separated arguments. Based on the logic generated by
2891 # autoconf 2.59.
2892 case $ac_arg in
2893 *=* | --config-cache | -C | -disable-* | --disable-* \
2894 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
2895 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
2896 | -with-* | --with-* | -without-* | --without-* | --x)
2897 separate_arg=no
2898 ;;
2899 -*)
2900 separate_arg=yes
2901 ;;
2902 *)
2903 separate_arg=no
2904 ;;
2905 esac
2906
65b4571a
AO		 2907 skip_targ=no
2908 case $ac_arg in
2909changequote(,)
2910 --with-* | --without-*)
2911 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'`
2912
2913 case $libopt in
2914 *[-_]include)
2915 lib=`echo "$libopt" | sed 's,[-_]include$,,'`
2916 ;;
2917 *[-_]lib)
2918 lib=`echo "$libopt" | sed 's,[-_]lib$,,'`
2919 ;;
2920 *)
2921 lib=$libopt
2922 ;;
2923 esac
2924changequote([,])
2925
2926 case $lib in
2927 mpc | mpfr | gmp | ppl | cloog)
2928 # If we're processing --with-$lib, --with-$lib-include or
2929 # --with-$lib-lib, for one of the libs above, and target is
2930 # different from host, don't pass the current argument to any
2931 # target library's configure.
2932 if test x$is_cross_compiler = xyes; then
2933 skip_targ=yes
2934 fi
2935 ;;
2936 esac
2937 ;;
2938 esac
2939
c6b750e1 2940 case "$ac_arg" in
30167e0a
NC		 2941 --cache-file=/dev/null | \
2942 -cache-file=/dev/null )
2943 # Handled here to avoid the test to skip args below.
2944 baseargs="$baseargs '$ac_arg'"
65b4571a 2945 tbaseargs="$tbaseargs '$ac_arg'"
30167e0a
NC		 2946 # Assert: $separate_arg should always be no.
2947 keep_next=$separate_arg
2948 ;;
c6b750e1
DJ		 2949 --no*)
2950 continue
2951 ;;
2952 --c* | \
2953 --sr* | \
2954 --ho* | \
2955 --bu* | \
2956 --t* | \
2957 --program-* | \
2958 -cache_file* | \
2959 -srcdir* | \
2960 -host* | \
2961 -build* | \
2962 -target* | \
2963 -program-prefix* | \
2964 -program-suffix* | \
2965 -program-transform-name* )
2966 skip_next=$separate_arg
2967 continue
2968 ;;
2969 -*)
2970 # An option. Add it.
2971 case $ac_arg in
2972 *\'*)
2973 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
2974 esac
2975 baseargs="$baseargs '$ac_arg'"
65b4571a
AO		 2976 if test X"$skip_targ" = Xno; then
2977 tbaseargs="$tbaseargs '$ac_arg'"
2978 fi
c6b750e1
DJ		 2979 keep_next=$separate_arg
2980 ;;
2981 *)
2982 # Either a variable assignment, or a nonopt (triplet). Don't
2983 # pass it down; let the Makefile handle this.
2984 continue
2985 ;;
2986 esac
2987done
2988# Remove the initial space we just introduced and, as these will be
2989# expanded by make, quote '$'.
2990baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'`
252b5132 2991
f27d4f92
DJ		 2992# Add in --program-transform-name, after --program-prefix and
2993# --program-suffix have been applied to it. Autoconf has already
2994# doubled dollar signs and backslashes in program_transform_name; we want
2995# the backslashes un-doubled, and then the entire thing wrapped in single
2996# quotes, because this will be expanded first by make and then by the shell.
2997# Also, because we want to override the logic in subdir configure scripts to
2998# choose program_transform_name, replace any s,x,x, with s,y,y,.
2999sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
3000${program_transform_name}
3001EOF_SED
3002gcc_transform_name=`cat conftestsed.out`
3003rm -f conftestsed.out
3004baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
65b4571a 3005tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'"
2444379b
BE		 3006if test "$silent" = yes; then
3007 baseargs="$baseargs --silent"
65b4571a 3008 tbaseargs="$tbaseargs --silent"
2444379b 3009fi
34a0f3cf 3010baseargs="$baseargs --disable-option-checking"
65b4571a 3011tbaseargs="$tbaseargs --disable-option-checking"
f27d4f92 3012
4074d5f2
RW		 3013# Record and document user additions to sub configure arguments.
3014AC_ARG_VAR([build_configargs],
3015 [additional configure arguments for build directories])
3016AC_ARG_VAR([host_configargs],
3017 [additional configure arguments for host directories])
3018AC_ARG_VAR([target_configargs],
3019 [additional configure arguments for target directories])
3020
49b7683b
DD		 3021# For the build-side libraries, we just need to pretend we're native,
3022# and not use the same cache file. Multilibs are neither needed nor
3023# desired.
4074d5f2 3024build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}"
91e060aa 3025
ae831be5
NN		 3026# For host modules, accept cache file option, or specification as blank.
3027case "${cache_file}" in
3028"") # empty
3029 cache_file_option="" ;;
a0da8069 3030/* | [[A-Za-z]]:[[\\/]]* ) # absolute path
ae831be5
NN		 3031 cache_file_option="--cache-file=${cache_file}" ;;
3032*) # relative path
3033 cache_file_option="--cache-file=../${cache_file}" ;;
3034esac
3035
82252c06
NN		 3036# Host dirs don't like to share a cache file either, horribly enough.
3037# This seems to be due to autoconf 2.5x stupidity.
4074d5f2 3038host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
ae831be5 3039
65b4571a 3040target_configargs="$target_configargs ${tbaseargs}"
49b7683b 3041
252b5132
RH		 3042# Passing a --with-cross-host argument lets the target libraries know
3043# whether they are being built with a cross-compiler or being built
3044# native. However, it would be better to use other mechanisms to make the
3045# sorts of decisions they want to make on this basis. Please consider
3046# this option to be deprecated. FIXME.
a0c4f3a0 3047if test x${is_cross_compiler} = xyes ; then
c6b750e1 3048 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
252b5132
RH		 3049fi
3050
938d2b74
RW		 3051# Default to --enable-multilib.
3052if test x${enable_multilib} = x ; then
a0da8069 3053 target_configargs="--enable-multilib ${target_configargs}"
938d2b74 3054fi
252b5132
RH		 3055
3056# Pass --with-newlib if appropriate. Note that target_configdirs has
3057# changed from the earlier setting of with_newlib.
a0c4f3a0 3058if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
a0da8069 3059 target_configargs="--with-newlib ${target_configargs}"
252b5132
RH		 3060fi
3061
95036d20
NN		 3062# Different target subdirs use different values of certain variables
3063# (notably CXX). Worse, multilibs use *lots* of different values.
3064# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
3065# it doesn't automatically accept command-line overrides of them.
3066# This means it's not safe for target subdirs to share a cache file,
3067# which is disgusting, but there you have it. Hopefully this can be
3068# fixed in future. It's still worthwhile to use a cache file for each
3069# directory. I think.
3070
ae380b45
MS		 3071# Pass the appropriate --build, --host, --target and --cache-file arguments.
3072# We need to pass --target, as newer autoconf's requires consistency
3073# for target_alias and gcc doesn't manage it consistently.
4b900473 3074target_configargs="--cache-file=./config.cache ${target_configargs}"
49b7683b 3075
9e449d3e 3076FLAGS_FOR_TARGET=
7c1f909c 3077case " $target_configdirs " in
75205f78 3078 *" newlib "*)
a0da8069 3079 case " $target_configargs " in
75205f78 3080 *" --with-newlib "*)
9e449d3e 3081 case "$target" in
1f53ca9a
AO		 3082 *-cygwin*)
3083 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 $$s/winsup/w32api/include'
3084 ;;
9e449d3e
AO		 3085 esac
3086
7450026c 3087 # If we're not building GCC, don't discard standard headers.
4d5fd396 3088 if test -d ${srcdir}/gcc; then
63266560 3089 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
7450026c
AO		 3090
3091 if test "${build}" != "${host}"; then
3092 # On Canadian crosses, CC_FOR_TARGET will have already been set
3093 # by `configure', so we won't have an opportunity to add -Bgcc/
3094 # to it. This is right: we don't want to search that directory
3095 # for binaries, but we want the header files in there, so add
3096 # them explicitly.
e552509b 3097 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed'
7450026c
AO		 3098
3099 # Someone might think of using the pre-installed headers on
3100 # Canadian crosses, in case the installed compiler is not fully
3101 # compatible with the compiler being built. In this case, it
3102 # would be better to flag an error than risking having
3103 # incompatible object files being constructed. We can't
3104 # guarantee that an error will be flagged, but let's hope the
3105 # compiler will do it, when presented with incompatible header
3106 # files.
3107 fi
63266560
DD		 3108 fi
3109
0a0d0041 3110 case "${target}-${is_cross_compiler}" in
ec11bdc6 3111 i[[3456789]]86-*-linux*-no)
0a0d0041
TF		 3112 # Here host == target, so we don't need to build gcc,
3113 # so we don't want to discard standard headers.
3114 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
0a0d0041
TF		 3115 ;;
3116 *)
3117 # If we're building newlib, use its generic headers last, but search
3118 # for any libc-related directories first (so make it the last -B
3119 # switch).
3120 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
691bb5a1
DD		 3121
3122 # If we're building libgloss, find the startup file, simulator library
3123 # and linker script.
3124 case " $target_configdirs " in
3125 *" libgloss "*)
3126 # Look for startup file, simulator library and maybe linker script.
3127 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir"
3128 # Look for libnosys.a in case the target needs it.
3129 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
3130 # Most targets have the linker script in the source directory.
3131 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir"
3132 ;;
3133 esac
0a0d0041
TF		 3134 ;;
3135 esac
9e449d3e 3136 ;;
75205f78
DD		 3137 esac
3138 ;;
9e449d3e 3139esac
1f53ca9a 3140
45055374 3141case "$target" in
1f53ca9a
AO		 3142 x86_64-*mingw* | *-w64-mingw*)
3143 # MinGW-w64 does not use newlib, nor does it use winsup. It may,
3144 # however, use a symlink named 'mingw' in ${prefix} .
3145 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
3146 ;;
3147 *-mingw*)
3148 # MinGW can't be handled as Cygwin above since it does not use newlib.
3149 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
3150 ;;
45055374 3151esac
63266560 3152
5fbad20a
DD		 3153# Allow the user to override the flags for
3154# our build compiler if desired.
c66487f8
NC		 3155if test x"${build}" = x"${host}" ; then
3156 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
3157 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}}
3158 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}}
3159fi
5fbad20a 3160
63266560
DD		 3161# On Canadian crosses, we'll be searching the right directories for
3162# the previously-installed cross compiler, so don't bother to add
3163# flags for directories within the install tree of the compiler
3164# being built; programs in there won't even run.
4d5fd396 3165if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
9e449d3e 3166 # Search for pre-installed headers if nothing else fits.
bba45b8b 3167 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
9e449d3e 3168fi
63266560 3169
7c1f909c 3170if test "x${use_gnu_ld}" = x &&
f48556b1 3171 echo " ${configdirs} " | grep " ld " > /dev/null ; then
9e449d3e 3172 # Arrange for us to find uninstalled linker scripts.
b00612cc 3173 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
9e449d3e
AO		 3174fi
3175
a481dbb7
DD		 3176# Search for other target-specific linker scripts and such.
3177case "${target}" in
4e206d7e
DB		 3178 mep*)
3179 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary"
3180 ;;
3181esac
3182
a0da8069 3183# Makefile fragments.
3e707e94
PB		 3184for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
3185do
3186 eval fragval=\$$frag
3187 if test $fragval != /dev/null; then
3188 eval $frag=${srcdir}/$fragval
3189 fi
3190done
a0da8069
NN		 3191AC_SUBST_FILE(host_makefile_frag)
3192AC_SUBST_FILE(target_makefile_frag)
3193AC_SUBST_FILE(alphaieee_frag)
3194AC_SUBST_FILE(ospace_frag)
3195
3196# Miscellanea: directories, flags, etc.
a0da8069 3197AC_SUBST(RPATH_ENVVAR)
3bbd2f8f 3198AC_SUBST(GCC_SHLIB_SUBDIR)
a0da8069
NN		 3199AC_SUBST(tooldir)
3200AC_SUBST(build_tooldir)
907be67c 3201AC_SUBST(CONFIGURE_GDB_TK)
a0da8069 3202AC_SUBST(GDB_TK)
907be67c 3203AC_SUBST(INSTALL_GDB_TK)
a0da8069
NN		 3204
3205# Build module lists & subconfigure args.
a0da8069 3206AC_SUBST(build_configargs)
6a9cf61e 3207AC_SUBST(build_configdirs)
a0da8069
NN		 3208
3209# Host module lists & subconfigure args.
3210AC_SUBST(host_configargs)
3211AC_SUBST(configdirs)
911e63d0 3212AC_SUBST(target_configdirs)
a0da8069
NN		 3213
3214# Target module lists & subconfigure args.
a0da8069 3215AC_SUBST(target_configargs)
a6df5a19 3216
a0da8069
NN		 3217
3218# Build tools.
b5714970
PB		 3219AC_SUBST(AR_FOR_BUILD)
3220AC_SUBST(AS_FOR_BUILD)
a0da8069 3221AC_SUBST(CC_FOR_BUILD)
b5714970
PB		 3222AC_SUBST(CFLAGS_FOR_BUILD)
3223AC_SUBST(CXXFLAGS_FOR_BUILD)
3224AC_SUBST(CXX_FOR_BUILD)
3225AC_SUBST(DLLTOOL_FOR_BUILD)
3226AC_SUBST(GCJ_FOR_BUILD)
3227AC_SUBST(GFORTRAN_FOR_BUILD)
e552509b 3228AC_SUBST(GOC_FOR_BUILD)
b5714970
PB		 3229AC_SUBST(LDFLAGS_FOR_BUILD)
3230AC_SUBST(LD_FOR_BUILD)
3231AC_SUBST(NM_FOR_BUILD)
3232AC_SUBST(RANLIB_FOR_BUILD)
3233AC_SUBST(WINDMC_FOR_BUILD)
3234AC_SUBST(WINDRES_FOR_BUILD)
a0da8069
NN		 3235AC_SUBST(config_shell)
3236
be01d343
PB		 3237# Generate default definitions for YACC, M4, LEX and other programs that run
3238# on the build machine. These are used if the Makefile can't locate these
3239# programs in objdir.
3240MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
3241
3242AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
3243case " $build_configdirs " in
3244 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
3245 *" byacc "*) YACC='$$r/$(BUILD_SUBDIR)/byacc/byacc' ;;
3246esac
3247
3248AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
3249case " $build_configdirs " in
3250 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
3251esac
3252
3253AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
3254case " $build_configdirs " in
3255 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
3256esac
3257
3258AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
3259case " $build_configdirs " in
3260 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3261 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
3262esac
3263
3264AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
3265case " $build_configdirs " in
3266 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
3267esac
3268
3269AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
3270case " $build_configdirs " in
3271 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
3272 *)
3273changequote(,)
10ad8ef3 3274 # For an installed makeinfo, we require it to be from texinfo 4.7 or
be01d343
PB		 3275 # higher, else we use the "missing" dummy.
3276 if ${MAKEINFO} --version \
10ad8ef3 3277 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then
be01d343
PB		 3278 :
3279 else
3280 MAKEINFO="$MISSING makeinfo"
3281 fi
3282 ;;
3283changequote([,])
3284esac
3285
3286# FIXME: expect and dejagnu may become build tools?
3287
3288AC_CHECK_PROGS(EXPECT, expect, expect)
3289case " $configdirs " in
3290 *" expect "*)
3291 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
3292 ;;
3293esac
3294
3295AC_CHECK_PROGS(RUNTEST, runtest, runtest)
3296case " $configdirs " in
3297 *" dejagnu "*)
6b89cc21 3298 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
be01d343
PB		 3299 ;;
3300esac
3301
3302
a0da8069 3303# Host tools.
05cbd757
PB		 3304NCN_STRICT_CHECK_TOOLS(AR, ar)
3305NCN_STRICT_CHECK_TOOLS(AS, as)
3306NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
3307NCN_STRICT_CHECK_TOOLS(LD, ld)
be01d343 3308NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
05cbd757 3309NCN_STRICT_CHECK_TOOLS(NM, nm)
ba98da75
RO		 3310NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true)
3311NCN_STRICT_CHECK_TOOLS(STRIP, strip, true)
05cbd757 3312NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
0c24b341 3313NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
05cbd757
PB		 3314NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
3315NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
a0da8069
NN		 3316AC_SUBST(CC)
3317AC_SUBST(CXX)
3318AC_SUBST(CFLAGS)
3319AC_SUBST(CXXFLAGS)
a0da8069 3320
be01d343 3321# Target tools.
2429c060 3322AC_ARG_WITH([build-time-tools],
7837304f
AS		 3323 [AS_HELP_STRING([--with-build-time-tools=PATH],
3324 [use given path to find target tools during the build])],
2429c060
PB		 3325 [case x"$withval" in
3326 x/*) ;;
3327 *)
3328 with_build_time_tools=
3329 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
3330 ;;
3331 esac],
3332 [with_build_time_tools=])
3333
05cbd757
PB		 3334NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
3335NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
05cbd757
PB		 3336NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
3337NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
3338NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
e552509b 3339NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
2429c060
PB		 3340
3341ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
3342ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
3343ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
3344ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
3345ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
3346ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
3347ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
ba98da75 3348ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
2429c060
PB		 3349ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
3350ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
0c24b341 3351ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
55db4b87 3352
be01d343
PB		 3353RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
3354
3355GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
3356GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
3357GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
950386c6 3358dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
be01d343 3359GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
950386c6 3360 [gcc/g++ -B$$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		 3361 c++)
3362GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
3363 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
3364 c++)
3365GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
3366GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
3367GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
3368 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
3369GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
3370 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
e552509b
ILT		 3371GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
3372 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
be01d343
PB		 3373GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
3374GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
3375GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
3376GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
3377GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
9b980aa1 3378GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
be01d343 3379GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
0c24b341 3380GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
55db4b87 3381
be01d343 3382AC_SUBST(FLAGS_FOR_TARGET)
55db4b87 3383AC_SUBST(RAW_CXX_FOR_TARGET)
54752a6b 3384
a0da8069
NN		 3385# Certain tools may need extra flags.
3386AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
3387RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
3388NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
252b5132 3389
be01d343
PB		 3390# When building target libraries, except in a Canadian cross, we use
3391# the same toolchain as the compiler we just built.
3392COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
3393COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
3394COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
3395if test $host = $build; then
3396 case " $configdirs " in
3397 *" gcc "*)
3398 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
3399 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
3400 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
3401 ;;
3402 esac
3403fi
3404
3405AC_SUBST(COMPILER_AS_FOR_TARGET)
3406AC_SUBST(COMPILER_LD_FOR_TARGET)
3407AC_SUBST(COMPILER_NM_FOR_TARGET)
3408
6b784d9f
AO		 3409AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
3410AC_ARG_ENABLE(maintainer-mode,
7837304f
AS		 3411[AS_HELP_STRING([--enable-maintainer-mode],
3412 [enable make rules and dependencies not useful
3413 (and sometimes confusing) to the casual installer])],
6b784d9f
AO		 3414 USE_MAINTAINER_MODE=$enableval,
3415 USE_MAINTAINER_MODE=no)
3416AC_MSG_RESULT($USE_MAINTAINER_MODE)
3417AC_SUBST(MAINTAINER_MODE_TRUE)
3418AC_SUBST(MAINTAINER_MODE_FALSE)
3419if test "$USE_MAINTAINER_MODE" = yes; then
3420 MAINTAINER_MODE_TRUE=
3421 MAINTAINER_MODE_FALSE='#'
3422else
3423 MAINTAINER_MODE_TRUE='#'
3424 MAINTAINER_MODE_FALSE=
3425fi
3426MAINT=$MAINTAINER_MODE_TRUE
3427AC_SUBST(MAINT)dnl
3428
1d39f329
NN		 3429# ---------------------
3430# GCC bootstrap support
3431# ---------------------
3432
3433# Stage specific cflags for build.
3434stage1_cflags="-g"
3435case $build in
3436 vax-*-*)
3437 case ${GCC} in
3438 yes) stage1_cflags="-g -Wa,-J" ;;
3439 *) stage1_cflags="-g -J" ;;
3440 esac ;;
1d39f329 3441esac
1d89b610
PB		 3442
3443# This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
e8a5fa9c 3444if test "$GCC" = yes -a "$ENABLE_BUILD_WITH_CXX" != yes; then
1d89b610
PB		 3445 saved_CFLAGS="$CFLAGS"
3446
3447 # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
3448 CFLAGS="$CFLAGS -fkeep-inline-functions"
3449 AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
2038f525
PB		 3450 AC_TRY_COMPILE([
3451#if (__GNUC__ < 3) \
3452 || (__GNUC__ == 3 && (__GNUC_MINOR__ < 3 \
3453 || (__GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ < 1)))
3454#error http://gcc.gnu.org/PR29382
3455#endif
3456 ],,
1d89b610
PB		 3457 [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
3458 [AC_MSG_RESULT([no])])
3459
3460 CFLAGS="$saved_CFLAGS"
3461fi
3462
1d39f329
NN		 3463AC_SUBST(stage1_cflags)
3464
8a0d8a5c
PB		 3465# Enable --enable-checking in stage1 of the compiler.
3466AC_ARG_ENABLE(stage1-checking,
7837304f
AS		 3467[AS_HELP_STRING([[--enable-stage1-checking[=all]]],
3468 [choose additional checking for stage1 of the compiler])],
8a0d8a5c 3469[stage1_checking=--enable-checking=${enable_stage1_checking}],
5566c1fa 3470[if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
2abc4e65 3471 stage1_checking=--enable-checking=yes,types
8a0d8a5c 3472else
5566c1fa 3473 stage1_checking=--enable-checking=$enable_checking,types
8a0d8a5c
PB		 3474fi])
3475AC_SUBST(stage1_checking)
3476
1d39f329 3477# Enable -Werror in bootstrap stage2 and later.
1d39f329 3478AC_ARG_ENABLE(werror,
7837304f
AS		 3479[AS_HELP_STRING([--enable-werror],
3480 [enable -Werror in bootstrap stage2 and later])], [],
a0323144 3481[if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
79fcd0ec
PB		 3482 enable_werror=yes
3483else
3484 enable_werror=no
3485fi])
1a6f2dc7
NN		 3486case ${enable_werror} in
3487 yes) stage2_werror_flag="--enable-werror-always" ;;
3488 *) stage2_werror_flag="" ;;
1d39f329 3489esac
1a6f2dc7 3490AC_SUBST(stage2_werror_flag)
1d39f329 3491
e8a5fa9c
RW		 3492# Specify what files to not compare during bootstrap.
3493
3494compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
3495case "$target" in
3496 hppa*64*-*-hpux*) ;;
3497 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
3498esac
1f53ca9a
AO		 3499case " $configdirs " in
3500*" ppl "*) compare_exclusions="$compare_exclusions | ppl/src/ppl-config.o" ;;
3501esac
e8a5fa9c
RW		 3502AC_SUBST(compare_exclusions)
3503
06a51eac
RW		 3504AC_CONFIG_FILES([Makefile],
3505 [sed "$extrasub_build" Makefile |
3506 sed "$extrasub_host" |
3507 sed "$extrasub_target" > mf$$
3508 mv -f mf$$ Makefile],
3509 [extrasub_build="$extrasub_build"
3510 extrasub_host="$extrasub_host"
3511 extrasub_target="$extrasub_target"])
3512AC_OUTPUT
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