1# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2# 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 3# 2014, 2015, 2016 Free Software Foundation, Inc. 4# 5# This file is free software; you can redistribute it and/or modify it 6# under the terms of the GNU General Public License as published by 7# the Free Software Foundation; either version 3 of the License, or 8# (at your option) any later version. 9# 10# This program is distributed in the hope that it will be useful, but 11# WITHOUT ANY WARRANTY; without even the implied warranty of 12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13# General Public License for more details. 14# 15# You should have received a copy of the GNU General Public License 16# along with this program; see the file COPYING3. If not see 17# <http://www.gnu.org/licenses/>. 18 19############################################################################## 20### WARNING: this file contains embedded tabs. Do not run untabify on this file. 21 22m4_include(config/acx.m4) 23m4_include(config/override.m4) 24m4_include(config/proginstall.m4) 25m4_include(config/elf.m4) 26m4_include([libtool.m4]) 27m4_include([ltoptions.m4]) 28m4_include([ltsugar.m4]) 29m4_include([ltversion.m4]) 30m4_include([lt~obsolete.m4]) 31m4_include([config/isl.m4]) 32 33AC_INIT(move-if-change) 34AC_PREREQ(2.64) 35AC_DISABLE_OPTION_CHECKING 36 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 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 79AC_CANONICAL_SYSTEM 80AC_ARG_PROGRAM 81 82m4_pattern_allow([^AS_FOR_TARGET$])dnl 83m4_pattern_allow([^AS_FOR_BUILD$])dnl 84 85# Get 'install' or 'install-sh' and its variants. 86AC_PROG_INSTALL 87ACX_PROG_LN 88AC_PROG_LN_S 89AC_PROG_SED 90AC_PROG_AWK 91 92srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}` 93 94# We pass INSTALL explicitly to sub-makes. Make sure that it is not 95# a relative path. 96if test "$INSTALL" = "${srcdir}/install-sh -c"; then 97 INSTALL="${srcpwd}/install-sh -c" 98fi 99 100# Set srcdir to "." if that's what it is. 101# This is important for multilib support. 102pwd=`${PWDCMD-pwd}` 103if test "${pwd}" = "${srcpwd}" ; then 104 srcdir=. 105fi 106 107topsrcdir=$srcpwd 108 109extra_host_args= 110 111### To add a new directory to the tree, first choose whether it is a target 112### or a host dependent tool. Then put it into the appropriate list 113### (library or tools, host or target), doing a dependency sort. 114 115# Subdirs will be configured in the order listed in build_configdirs, 116# configdirs, or target_configdirs; see the serialization section below. 117 118# Dependency sorting is only needed when *configuration* must be done in 119# a particular order. In all cases a dependency should be specified in 120# the Makefile, whether or not it's implicitly specified here. 121 122# Double entries in build_configdirs, configdirs, or target_configdirs may 123# cause circular dependencies and break everything horribly. 124 125# these library is used by various programs built for the build 126# environment 127# 128build_libs="build-libiberty build-libcpp" 129 130# these tools are built for the build environment 131build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes" 132 133# these libraries are used by various programs built for the host environment 134#f 135host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl libelf libiconv" 136 137# these tools are built for the host environment 138# Note, the powerpc-eabi build depends on sim occurring before gdb in order to 139# know that we are building the simulator. 140# binutils, gas and ld appear in that order because it makes sense to run 141# "make check" in that particular order. 142# If --enable-gold is used, "gold" may replace "ld". 143host_tools="flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gprof etc expect dejagnu m4 utils guile fastjar gnattools libcc1 gotools" 144 145# libgcj represents the runtime libraries only used by gcj. 146libgcj="target-libffi \ 147 target-zlib \ 148 target-libjava" 149 150# these libraries are built for the target environment, and are built after 151# the host libraries and the host tools (which may be a cross compiler) 152# Note that libiberty is not a target library. 153target_libraries="target-libgcc \ 154 target-libbacktrace \ 155 target-libgloss \ 156 target-newlib \ 157 target-libgomp \ 158 target-libcilkrts \ 159 target-liboffloadmic \ 160 target-libatomic \ 161 target-libitm \ 162 target-libstdc++-v3 \ 163 target-libsanitizer \ 164 target-libvtv \ 165 target-libmpx \ 166 target-libssp \ 167 target-libquadmath \ 168 target-libgfortran \ 169 target-boehm-gc \ 170 ${libgcj} \ 171 target-libobjc \ 172 target-libada \ 173 target-libgo" 174 175# these tools are built using the target libraries, and are intended to 176# run only in the target environment 177# 178# note: any program that *uses* libraries that are in the "target_libraries" 179# list belongs in this list. 180# 181target_tools="target-rda" 182 183################################################################################ 184 185## All tools belong in one of the four categories, and are assigned above 186## We assign ${configdirs} this way to remove all embedded newlines. This 187## is important because configure will choke if they ever get through. 188## ${configdirs} is directories we build using the host tools. 189## ${target_configdirs} is directories we build using the target tools. 190configdirs=`echo ${host_libs} ${host_tools}` 191target_configdirs=`echo ${target_libraries} ${target_tools}` 192build_configdirs=`echo ${build_libs} ${build_tools}` 193 194m4_divert_text([PARSE_ARGS], 195[case $srcdir in 196 *" "*) 197m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl 198 AC_MSG_ERROR([path to source, $srcdir, contains spaces]) 199m4_popdef([AS_MESSAGE_LOG_FD])dnl 200 ;; 201esac 202ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'` 203]) 204 205################################################################################ 206 207srcname="gnu development package" 208 209# This gets set non-empty for some net releases of packages. 210appdirs="" 211 212# Define is_cross_compiler to save on calls to 'test'. 213is_cross_compiler= 214if test x"${host}" = x"${target}" ; then 215 is_cross_compiler=no 216else 217 is_cross_compiler=yes 218fi 219 220# Find the build and target subdir names. 221GCC_TOPLEV_SUBDIRS 222# Be sure to cover against remnants of an in-tree build. 223if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then 224 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}. 225Use a pristine source tree when building in a separate tree]) 226fi 227 228# Skipdirs are removed silently. 229skipdirs= 230# Noconfigdirs are removed loudly. 231noconfigdirs="" 232 233use_gnu_ld= 234# Make sure we don't let GNU ld be added if we didn't want it. 235if test x$with_gnu_ld = xno ; then 236 use_gnu_ld=no 237 noconfigdirs="$noconfigdirs ld gold" 238fi 239 240use_gnu_as= 241# Make sure we don't let GNU as be added if we didn't want it. 242if test x$with_gnu_as = xno ; then 243 use_gnu_as=no 244 noconfigdirs="$noconfigdirs gas" 245fi 246 247use_included_zlib= 248AC_ARG_WITH(system-zlib, 249[AS_HELP_STRING([--with-system-zlib], [use installed libz])]) 250# Make sure we don't let ZLIB be added if we didn't want it. 251if test x$with_system_zlib = xyes ; then 252 use_included_zlib=no 253 noconfigdirs="$noconfigdirs zlib" 254fi 255 256# some tools are so dependent upon X11 that if we're not building with X, 257# it's not even worth trying to configure, much less build, that tool. 258 259case ${with_x} in 260 yes | "") ;; # the default value for this tree is that X11 is available 261 no) 262 skipdirs="${skipdirs} tk itcl libgui" 263 # We won't be able to build gdbtk without X. 264 enable_gdbtk=no 265 ;; 266 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;; 267esac 268 269# Some are only suitable for cross toolchains. 270# Remove these if host=target. 271cross_only="target-libgloss target-newlib target-opcodes" 272 273case $is_cross_compiler in 274 no) skipdirs="${skipdirs} ${cross_only}" ;; 275esac 276 277# If both --with-headers and --with-libs are specified, default to 278# --without-newlib. 279if test x"${with_headers}" != x && test x"${with_headers}" != xno \ 280 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then 281 if test x"${with_newlib}" = x ; then 282 with_newlib=no 283 fi 284fi 285 286# Recognize --with-newlib/--without-newlib. 287case ${with_newlib} in 288 no) skipdirs="${skipdirs} target-newlib" ;; 289 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;; 290esac 291 292AC_ARG_ENABLE(as-accelerator-for, 293[AS_HELP_STRING([--enable-as-accelerator-for=ARG], 294 [build as offload target compiler. 295 Specify offload host triple by ARG])]) 296 297AC_ARG_ENABLE(offload-targets, 298[AS_HELP_STRING([--enable-offload-targets=LIST], 299 [enable offloading to devices from comma-separated LIST of 300 TARGET[=DIR]. Use optional path to find offload target compiler 301 during the build])], 302[ 303 if test x"$enable_offload_targets" = x; then 304 AC_MSG_ERROR([no offload targets specified]) 305 fi 306], [enable_offload_targets=]) 307 308# Handle --enable-gold, --enable-ld. 309# --disable-gold [--enable-ld] 310# Build only ld. Default option. 311# --enable-gold [--enable-ld] 312# Build both gold and ld. Install gold as "ld.gold", install ld 313# as "ld.bfd" and "ld". 314# --enable-gold=default [--enable-ld] 315# Build both gold and ld. Install gold as "ld.gold" and "ld", 316# install ld as "ld.bfd". 317# --enable-gold[=default] --disable-ld 318# Build only gold, which is then installed as both "ld.gold" and "ld". 319# --enable-gold --enable-ld=default 320# Build both gold (installed as "ld.gold") and ld (installed as "ld" 321# and ld.bfd). 322# In other words, ld is default 323# --enable-gold=default --enable-ld=default 324# Error. 325 326default_ld= 327AC_ARG_ENABLE(gold, 328[AS_HELP_STRING([[--enable-gold[=ARG]]], 329 [build gold @<:@ARG={default,yes,no}@:>@])], 330ENABLE_GOLD=$enableval, 331ENABLE_GOLD=no) 332case "${ENABLE_GOLD}" in 333 yes|default) 334 # Check for ELF target. 335 is_elf=no 336 case "${target}" in 337 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \ 338 | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* | *-*-haiku* \ 339 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \ 340 | *-*-solaris2* | *-*-nto* | *-*-nacl* | *-*-fuchsia*) 341 case "${target}" in 342 *-*-linux*aout* | *-*-linux*oldld*) 343 ;; 344 *) 345 is_elf=yes 346 ;; 347 esac 348 esac 349 350 if test "$is_elf" = "yes"; then 351 # Check for target supported by gold. 352 case "${target}" in 353 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \ 354 | aarch64*-*-* | tilegx*-*-* | mips*-*-* | s390*-*-*) 355 configdirs="$configdirs gold" 356 if test x${ENABLE_GOLD} = xdefault; then 357 default_ld=gold 358 fi 359 ENABLE_GOLD=yes 360 ;; 361 esac 362 fi 363 ;; 364 no) 365 ;; 366 *) 367 AC_MSG_ERROR([invalid --enable-gold argument]) 368 ;; 369esac 370 371AC_ARG_ENABLE(ld, 372[AS_HELP_STRING([[--enable-ld[=ARG]]], 373 [build ld @<:@ARG={default,yes,no}@:>@])], 374ENABLE_LD=$enableval, 375ENABLE_LD=yes) 376 377case "${ENABLE_LD}" in 378 default) 379 if test x${default_ld} != x; then 380 AC_MSG_ERROR([either gold or ld can be the default ld]) 381 fi 382 ;; 383 yes) 384 ;; 385 no) 386 if test x${ENABLE_GOLD} != xyes; then 387 AC_MSG_WARN([neither ld nor gold are enabled]) 388 fi 389 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'` 390 ;; 391 *) 392 AC_MSG_ERROR([invalid --enable-ld argument]) 393 ;; 394esac 395 396# PR gas/19109 397# Decide the default method for compressing debug sections. 398# Provide a configure time option to override our default. 399AC_ARG_ENABLE(compressed_debug_sections, 400[AS_HELP_STRING([--enable-compressed-debug-sections={all,gas,gold,ld,none}], 401 [Enable compressed debug sections for gas, gold or ld by 402 default])], 403[ 404 if test x"$enable_compressed_debug_sections" = xyes; then 405 AC_MSG_ERROR([no program with compressed debug sections specified]) 406 fi 407], [enable_compressed_debug_sections=]) 408 409# Configure extra directories which are host specific 410 411case "${host}" in 412 *-cygwin*) 413 configdirs="$configdirs libtermcap" ;; 414esac 415 416# A target can indicate whether a language isn't supported for some reason. 417# Only spaces may be used in this macro; not newlines or tabs. 418unsupported_languages= 419 420# Remove more programs from consideration, based on the host or 421# target this usually means that a port of the program doesn't 422# exist yet. 423 424case "${host}" in 425 i[[3456789]]86-*-msdosdjgpp*) 426 noconfigdirs="$noconfigdirs tcl tk itcl" 427 ;; 428esac 429 430 431AC_ARG_ENABLE(libquadmath, 432AS_HELP_STRING([--disable-libquadmath], 433 [do not build libquadmath directory]), 434ENABLE_LIBQUADMATH=$enableval, 435ENABLE_LIBQUADMATH=yes) 436if test "${ENABLE_LIBQUADMATH}" = "no" ; then 437 noconfigdirs="$noconfigdirs target-libquadmath" 438fi 439 440 441AC_ARG_ENABLE(libquadmath-support, 442AS_HELP_STRING([--disable-libquadmath-support], 443 [disable libquadmath support for Fortran]), 444ENABLE_LIBQUADMATH_SUPPORT=$enableval, 445ENABLE_LIBQUADMATH_SUPPORT=yes) 446enable_libquadmath_support= 447if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then 448 enable_libquadmath_support=no 449fi 450 451 452AC_ARG_ENABLE(libada, 453[AS_HELP_STRING([--enable-libada], [build libada directory])], 454ENABLE_LIBADA=$enableval, 455ENABLE_LIBADA=yes) 456if test "${ENABLE_LIBADA}" != "yes" ; then 457 noconfigdirs="$noconfigdirs gnattools" 458fi 459 460AC_ARG_ENABLE(libssp, 461[AS_HELP_STRING([--enable-libssp], [build libssp directory])], 462ENABLE_LIBSSP=$enableval, 463ENABLE_LIBSSP=yes) 464 465AC_ARG_ENABLE(libstdcxx, 466AS_HELP_STRING([--disable-libstdcxx], 467 [do not build libstdc++-v3 directory]), 468ENABLE_LIBSTDCXX=$enableval, 469ENABLE_LIBSTDCXX=default) 470[if test "${ENABLE_LIBSTDCXX}" = "no" ; then 471 noconfigdirs="$noconfigdirs target-libstdc++-v3" 472fi] 473 474# If this is accelerator compiler and its target is intelmic we enable 475# target liboffloadmic by default. If this is compiler with offloading 476# for intelmic we enable host liboffloadmic by default. Otherwise 477# liboffloadmic is disabled by default. 478AC_ARG_ENABLE([liboffloadmic], 479AC_HELP_STRING([[--enable-liboffloadmic[=ARG]]], 480 [build liboffloadmic @<:@ARG={no,host,target}@:>@]), 481[case "$enableval" in 482 no | host | target) 483 enable_liboffloadmic=$enableval ;; 484 *) 485 AC_MSG_ERROR([--enable-liboffloadmic=no/host/target]) ;; 486esac], 487[if test x"$enable_as_accelerator_for" != x; then 488 case "${target}" in 489 *-intelmic-* | *-intelmicemul-*) 490 enable_liboffloadmic=target 491 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=target" 492 ;; 493 *) 494 enable_liboffloadmic=no 495 ;; 496 esac 497else 498 case "${enable_offload_targets}" in 499 *-intelmic-* | *-intelmicemul-*) 500 enable_liboffloadmic=host 501 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=host" 502 ;; 503 *) 504 enable_liboffloadmic=no 505 ;; 506 esac 507fi]) 508AC_SUBST(extra_liboffloadmic_configure_flags) 509 510# Save it here so that, even in case of --enable-libgcj, if the Java 511# front-end isn't enabled, we still get libgcj disabled. 512libgcj_saved=$libgcj 513case $enable_libgcj in 514yes) 515 # If we reset it here, it won't get added to noconfigdirs in the 516 # target-specific build rules, so it will be forcibly enabled 517 # (unless the Java language itself isn't enabled). 518 libgcj= 519 ;; 520no) 521 # Make sure we get it printed in the list of not supported target libs. 522 # Don't disable libffi, though, other languages use it. 523 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`" 524 # Clear libgcj_saved so that even if java is enabled libffi won't be 525 # built. 526 libgcj_saved= 527 ;; 528esac 529 530AC_ARG_ENABLE(static-libjava, 531[AS_HELP_STRING([[--enable-static-libjava[=ARG]]], 532 [build static libjava @<:@default=no@:>@])], 533ENABLE_STATIC_LIBJAVA=$enableval, 534ENABLE_STATIC_LIBJAVA=no) 535enable_static_libjava= 536if test "${ENABLE_STATIC_LIBJAVA}" = "yes" ; then 537 enable_static_libjava=yes 538fi 539 540if test x$enable_static_libjava != xyes ; then 541 EXTRA_CONFIGARGS_LIBJAVA=--disable-static 542fi 543AC_SUBST(EXTRA_CONFIGARGS_LIBJAVA) 544 545# Enable libgomp by default on hosted POSIX systems, and a few others. 546if test x$enable_libgomp = x ; then 547 case "${target}" in 548 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 549 ;; 550 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*) 551 ;; 552 *-*-solaris2* | *-*-hpux11*) 553 ;; 554 *-*-darwin* | *-*-aix*) 555 ;; 556 nvptx*-*-*) 557 ;; 558 *) 559 noconfigdirs="$noconfigdirs target-libgomp" 560 ;; 561 esac 562fi 563 564# Disable libatomic on unsupported systems. 565if test -d ${srcdir}/libatomic; then 566 if test x$enable_libatomic = x; then 567 AC_MSG_CHECKING([for libatomic support]) 568 if (srcdir=${srcdir}/libatomic; \ 569 . ${srcdir}/configure.tgt; \ 570 test -n "$UNSUPPORTED") 571 then 572 AC_MSG_RESULT([no]) 573 noconfigdirs="$noconfigdirs target-libatomic" 574 else 575 AC_MSG_RESULT([yes]) 576 fi 577 fi 578fi 579 580# Disable libcilkrts on unsupported systems. 581if test -d ${srcdir}/libcilkrts; then 582 if test x$enable_libcilkrts = x; then 583 AC_MSG_CHECKING([for libcilkrts support]) 584 if (srcdir=${srcdir}/libcilkrts; \ 585 . ${srcdir}/configure.tgt; \ 586 test -n "$UNSUPPORTED") 587 then 588 AC_MSG_RESULT([no]) 589 noconfigdirs="$noconfigdirs target-libcilkrts" 590 else 591 AC_MSG_RESULT([yes]) 592 fi 593 fi 594fi 595 596# Disable liboffloadmic on unsupported systems. 597if test -d ${srcdir}/liboffloadmic; then 598 if test x$enable_liboffloadmic != xno; then 599 AC_MSG_CHECKING([for liboffloadmic support]) 600 if (srcdir=${srcdir}/liboffloadmic; \ 601 . ${srcdir}/configure.tgt; \ 602 test -n "$UNSUPPORTED") 603 then 604 AC_MSG_RESULT([no]) 605 noconfigdirs="$noconfigdirs target-liboffloadmic" 606 else 607 AC_MSG_RESULT([yes]) 608 fi 609 fi 610fi 611 612# Disable libitm on unsupported systems. 613if test -d ${srcdir}/libitm; then 614 if test x$enable_libitm = x; then 615 AC_MSG_CHECKING([for libitm support]) 616 if (srcdir=${srcdir}/libitm; \ 617 . ${srcdir}/configure.tgt; \ 618 test -n "$UNSUPPORTED") 619 then 620 AC_MSG_RESULT([no]) 621 noconfigdirs="$noconfigdirs target-libitm" 622 else 623 AC_MSG_RESULT([yes]) 624 fi 625 fi 626fi 627 628# Disable libsanitizer on unsupported systems. 629if test -d ${srcdir}/libsanitizer; then 630 if test x$enable_libsanitizer = x; then 631 AC_MSG_CHECKING([for libsanitizer support]) 632 if (srcdir=${srcdir}/libsanitizer; \ 633 . ${srcdir}/configure.tgt; \ 634 test -n "$UNSUPPORTED") 635 then 636 AC_MSG_RESULT([no]) 637 noconfigdirs="$noconfigdirs target-libsanitizer" 638 else 639 AC_MSG_RESULT([yes]) 640 fi 641 fi 642fi 643 644# Disable libvtv on unsupported systems. 645if test -d ${srcdir}/libvtv; then 646 if test x$enable_libvtv = x; then 647 AC_MSG_CHECKING([for libvtv support]) 648 if (srcdir=${srcdir}/libvtv; \ 649 . ${srcdir}/configure.tgt; \ 650 test "$VTV_SUPPORTED" != "yes") 651 then 652 AC_MSG_RESULT([no]) 653 noconfigdirs="$noconfigdirs target-libvtv" 654 else 655 AC_MSG_RESULT([yes]) 656 fi 657 fi 658fi 659 660 661# Enable libmpx on supported systems by request. 662if test -d ${srcdir}/libmpx; then 663 if test x$enable_libmpx = x; then 664 AC_MSG_CHECKING([for libmpx support]) 665 if (srcdir=${srcdir}/libmpx; \ 666 . ${srcdir}/configure.tgt; \ 667 test "$LIBMPX_SUPPORTED" != "yes") 668 then 669 AC_MSG_RESULT([no]) 670 noconfigdirs="$noconfigdirs target-libmpx" 671 else 672 AC_MSG_RESULT([yes]) 673 fi 674 fi 675fi 676 677 678 679# Disable libquadmath for some systems. 680case "${target}" in 681 avr-*-*) 682 noconfigdirs="$noconfigdirs target-libquadmath" 683 ;; 684 # libquadmath is unused on AIX and libquadmath build process use of 685 # LD_LIBRARY_PATH can break AIX bootstrap. 686 powerpc-*-aix* | rs6000-*-aix*) 687 noconfigdirs="$noconfigdirs target-libquadmath" 688 ;; 689esac 690 691# Disable libssp for some systems. 692case "${target}" in 693 avr-*-*) 694 # No hosted I/O support. 695 noconfigdirs="$noconfigdirs target-libssp" 696 ;; 697 powerpc-*-aix* | rs6000-*-aix*) 698 noconfigdirs="$noconfigdirs target-libssp" 699 ;; 700 rl78-*-*) 701 # libssp uses a misaligned load to trigger a fault, but the RL78 702 # doesn't fault for those - instead, it gives a build-time error 703 # for explicit misaligned loads. 704 noconfigdirs="$noconfigdirs target-libssp" 705 ;; 706 visium-*-*) 707 # No hosted I/O support. 708 noconfigdirs="$noconfigdirs target-libssp" 709 ;; 710esac 711 712# Disable libstdc++-v3 for some systems. 713# Allow user to override this if they pass --enable-libstdc++-v3 714if test "${ENABLE_LIBSTDCXX}" = "default" ; then 715 case "${target}" in 716 *-*-vxworks*) 717 # VxWorks uses the Dinkumware C++ library. 718 noconfigdirs="$noconfigdirs target-libstdc++-v3" 719 ;; 720 arm*-wince-pe*) 721 # the C++ libraries don't build on top of CE's C libraries 722 noconfigdirs="$noconfigdirs target-libstdc++-v3" 723 ;; 724 avr-*-*) 725 noconfigdirs="$noconfigdirs target-libstdc++-v3" 726 ;; 727 ft32-*-*) 728 noconfigdirs="$noconfigdirs target-libstdc++-v3" 729 ;; 730 esac 731fi 732 733# Disable Fortran for some systems. 734case "${target}" in 735 mmix-*-*) 736 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>. 737 unsupported_languages="$unsupported_languages fortran" 738 ;; 739esac 740 741# Disable Java if libffi is not supported. 742case "${target}" in 743 aarch64-*-*) 744 ;; 745 alpha*-*-*) 746 ;; 747 arm*-*-*) 748 ;; 749 cris-*-*) 750 ;; 751 frv-*-*) 752 ;; 753 hppa*-*-linux*) 754 ;; 755 hppa*-*-hpux*) 756 ;; 757 i?86-*-*) 758 ;; 759 ia64*-*-*) 760 ;; 761 m32r*-*-*) 762 ;; 763 m68k-*-*) 764 ;; 765 mips*-*-rtems*) 766 ;; 767 mips*-*-linux*) 768 ;; 769 powerpc*-*-linux*) 770 ;; 771 powerpc-*-darwin*) 772 ;; 773 powerpc-*-aix* | rs6000-*-aix*) 774 ;; 775 powerpc-*-freebsd*) 776 ;; 777 powerpc64-*-freebsd*) 778 ;; 779 powerpc*-*-rtems*) 780 ;; 781 s390-*-* | s390x-*-*) 782 ;; 783 sh-*-* | sh[[34]]*-*-*) 784 ;; 785 sh64-*-* | sh5*-*-*) 786 ;; 787 sparc*-*-*) 788 ;; 789 x86_64-*-*) 790 ;; 791 *-*-*) 792 unsupported_languages="$unsupported_languages java" 793 ;; 794esac 795 796# Disable Java, libgcj or related libraries for some systems. 797case "${target}" in 798 powerpc-*-darwin*) 799 ;; 800 i[[3456789]]86-*-darwin*) 801 ;; 802 x86_64-*-darwin[[912]]*) 803 ;; 804 *-*-darwin*) 805 noconfigdirs="$noconfigdirs ${libgcj}" 806 ;; 807 *-*-netware*) 808 noconfigdirs="$noconfigdirs ${libgcj}" 809 ;; 810 *-*-rtems*) 811 noconfigdirs="$noconfigdirs ${libgcj}" 812 ;; 813 *-*-tpf*) 814 noconfigdirs="$noconfigdirs ${libgcj}" 815 ;; 816 *-*-uclinux*) 817 noconfigdirs="$noconfigdirs ${libgcj}" 818 ;; 819 *-*-vxworks*) 820 noconfigdirs="$noconfigdirs ${libgcj}" 821 ;; 822 alpha*-*-*vms*) 823 noconfigdirs="$noconfigdirs ${libgcj}" 824 ;; 825 arm*-*-freebsd*) 826 noconfigdirs="$noconfigdirs ${libgcj}" 827 ;; 828 arm-wince-pe) 829 noconfigdirs="$noconfigdirs ${libgcj}" 830 ;; 831 arm*-*-symbianelf*) 832 noconfigdirs="$noconfigdirs ${libgcj}" 833 ;; 834 bfin-*-*) 835 noconfigdirs="$noconfigdirs target-boehm-gc" 836 ;; 837 cris-*-* | crisv32-*-*) 838 unsupported_languages="$unsupported_languages java" 839 case "${target}" in 840 *-*-linux*) 841 ;; 842 *) # See PR46792 regarding target-libffi. 843 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";; 844 esac 845 ;; 846 hppa*64*-*-linux*) 847 # In this case, it's because the hppa64-linux target is for 848 # the kernel only at this point and has no libc, and thus no 849 # headers, crt*.o, etc., all of which are needed by these. 850 unsupported_languages="$unsupported_languages java" 851 ;; 852 hppa*64*-*-hpux*) 853 noconfigdirs="$noconfigdirs ${libgcj}" 854 ;; 855 hppa*-hp-hpux11*) 856 ;; 857 hppa*-*-hpux*) 858 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't 859 # build on HP-UX 10.20. 860 noconfigdirs="$noconfigdirs ${libgcj}" 861 ;; 862 ia64*-*-*vms*) 863 noconfigdirs="$noconfigdirs ${libgcj}" 864 ;; 865 i[[3456789]]86-w64-mingw*) 866 noconfigdirs="$noconfigdirs ${libgcj}" 867 ;; 868 i[[3456789]]86-*-mingw*) 869 noconfigdirs="$noconfigdirs ${libgcj}" 870 ;; 871 x86_64-*-mingw*) 872 noconfigdirs="$noconfigdirs ${libgcj}" 873 ;; 874 mmix-*-*) 875 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc" 876 ;; 877 powerpc-*-aix*) 878 # copied from rs6000-*-* entry 879 noconfigdirs="$noconfigdirs ${libgcj}" 880 ;; 881 rs6000-*-aix*) 882 noconfigdirs="$noconfigdirs ${libgcj}" 883 ;; 884 ft32-*-*) 885 noconfigdirs="$noconfigdirs ${libgcj}" 886 ;; 887 *-*-lynxos*) 888 noconfigdirs="$noconfigdirs ${libgcj}" 889 ;; 890esac 891 892# Disable the go frontend on systems where it is known to not work. Please keep 893# this in sync with contrib/config-list.mk. 894case "${target}" in 895*-*-darwin* | *-*-cygwin* | *-*-mingw* | *-*-aix*) 896 unsupported_languages="$unsupported_languages go" 897 ;; 898esac 899 900# Disable libgo for some systems where it is known to not work. 901# For testing, you can easily override this with --enable-libgo. 902if test x$enable_libgo = x; then 903 case "${target}" in 904 *-*-darwin*) 905 # PR 46986 906 noconfigdirs="$noconfigdirs target-libgo" 907 ;; 908 *-*-cygwin* | *-*-mingw*) 909 noconfigdirs="$noconfigdirs target-libgo" 910 ;; 911 *-*-aix*) 912 noconfigdirs="$noconfigdirs target-libgo" 913 ;; 914 esac 915fi 916 917# Default libgloss CPU subdirectory. 918libgloss_dir="$target_cpu" 919 920case "${target}" in 921 sh*-*-pe|mips*-*-pe|*arm-wince-pe) 922 libgloss_dir=wince 923 ;; 924 aarch64*-*-* ) 925 libgloss_dir=aarch64 926 ;; 927 arm*-*-*) 928 libgloss_dir=arm 929 ;; 930 cris-*-* | crisv32-*-*) 931 libgloss_dir=cris 932 ;; 933 hppa*-*-*) 934 libgloss_dir=pa 935 ;; 936 i[[3456789]]86-*-*) 937 libgloss_dir=i386 938 ;; 939 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*) 940 libgloss_dir=m68hc11 941 ;; 942 m68*-*-* | fido-*-*) 943 libgloss_dir=m68k 944 ;; 945 mips*-*-*) 946 libgloss_dir=mips 947 ;; 948 powerpc*-*-*) 949 libgloss_dir=rs6000 950 ;; 951 sparc*-*-*) 952 libgloss_dir=sparc 953 ;; 954esac 955 956# Disable newlib and libgloss for various target OSes. 957case "${target}" in 958 alpha*-dec-osf*) 959 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 960 ;; 961 i[[3456789]]86-*-linux*) 962 # This section makes it possible to build newlib natively on linux. 963 # If we are using a cross compiler then don't configure newlib. 964 if test x${is_cross_compiler} != xno ; then 965 noconfigdirs="$noconfigdirs target-newlib" 966 fi 967 noconfigdirs="$noconfigdirs target-libgloss" 968 # If we are not using a cross compiler, do configure newlib. 969 # Note however, that newlib will only be configured in this situation 970 # if the --with-newlib option has been given, because otherwise 971 # 'target-newlib' will appear in skipdirs. 972 ;; 973 i[[3456789]]86-*-rdos*) 974 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 975 ;; 976 sh*-*-pe|mips*-*-pe|arm-wince-pe) 977 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 978 ;; 979 sparc-*-sunos4*) 980 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 981 ;; 982 *-*-aix*) 983 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 984 ;; 985 *-*-beos*) 986 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 987 ;; 988 *-*-chorusos) 989 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 990 ;; 991 *-*-dragonfly*) 992 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 993 ;; 994 *-*-freebsd*) 995 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 996 ;; 997 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 998 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 999 ;; 1000 *-*-lynxos*) 1001 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1002 ;; 1003 *-*-mingw*) 1004 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1005 ;; 1006 *-*-netbsd*) 1007 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1008 ;; 1009 *-*-netware*) 1010 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1011 ;; 1012 *-*-tpf*) 1013 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1014 ;; 1015 *-*-uclinux*) 1016 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1017 ;; 1018 *-*-vxworks*) 1019 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1020 ;; 1021esac 1022 1023case "${target}" in 1024 *-*-chorusos) 1025 ;; 1026 aarch64-*-darwin*) 1027 noconfigdirs="$noconfigdirs ld gas gdb gprof" 1028 noconfigdirs="$noconfigdirs sim target-rda" 1029 ;; 1030 arm-*-darwin*) 1031 noconfigdirs="$noconfigdirs ld gas gdb gprof" 1032 noconfigdirs="$noconfigdirs sim target-rda" 1033 ;; 1034 powerpc-*-darwin*) 1035 noconfigdirs="$noconfigdirs ld gas gdb gprof" 1036 noconfigdirs="$noconfigdirs sim target-rda" 1037 ;; 1038 i[[3456789]]86-*-darwin*) 1039 noconfigdirs="$noconfigdirs ld gprof" 1040 noconfigdirs="$noconfigdirs sim target-rda" 1041 ;; 1042 x86_64-*-darwin[[912]]*) 1043 noconfigdirs="$noconfigdirs ld gas gprof" 1044 noconfigdirs="$noconfigdirs sim target-rda" 1045 ;; 1046 *-*-darwin*) 1047 noconfigdirs="$noconfigdirs ld gas gdb gprof" 1048 noconfigdirs="$noconfigdirs sim target-rda" 1049 ;; 1050 *-*-dragonfly*) 1051 ;; 1052 *-*-freebsd*) 1053 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \ 1054 && test -f /usr/local/include/gmp.h; then 1055 with_gmp=/usr/local 1056 fi 1057 ;; 1058 *-*-kaos*) 1059 # Remove unsupported stuff on all kaOS configurations. 1060 noconfigdirs="$noconfigdirs target-libgloss" 1061 ;; 1062 *-*-netbsd*) 1063 ;; 1064 *-*-netware*) 1065 ;; 1066 *-*-rtems*) 1067 noconfigdirs="$noconfigdirs target-libgloss" 1068 # this is not caught below because this stanza matches earlier 1069 case $target in 1070 or1k*-*-*) noconfigdirs="$noconfigdirs gdb" ;; 1071 esac 1072 ;; 1073 # The tpf target doesn't support gdb yet. 1074 *-*-tpf*) 1075 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl" 1076 ;; 1077 *-*-uclinux*) 1078 noconfigdirs="$noconfigdirs target-rda" 1079 ;; 1080 *-*-vxworks*) 1081 ;; 1082 alpha*-dec-osf*) 1083 # ld works, but does not support shared libraries. 1084 # gas doesn't generate exception information. 1085 noconfigdirs="$noconfigdirs gas ld" 1086 ;; 1087 alpha*-*-*vms*) 1088 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss" 1089 ;; 1090 alpha*-*-*) 1091 # newlib is not 64 bit ready 1092 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1093 ;; 1094 sh*-*-pe|mips*-*-pe|*arm-wince-pe) 1095 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim" 1096 ;; 1097 arc-*-*|arceb-*-*) 1098 noconfigdirs="$noconfigdirs target-libgloss" 1099 ;; 1100 arm-*-pe*) 1101 noconfigdirs="$noconfigdirs target-libgloss" 1102 ;; 1103 arm-*-riscix*) 1104 noconfigdirs="$noconfigdirs ld target-libgloss" 1105 ;; 1106 avr-*-rtems*) 1107 ;; 1108 avr-*-*) 1109 if test x${with_avrlibc} != xno; then 1110 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1111 fi 1112 ;; 1113 c4x-*-* | tic4x-*-*) 1114 noconfigdirs="$noconfigdirs target-libgloss" 1115 ;; 1116 tic54x-*-*) 1117 noconfigdirs="$noconfigdirs target-libgloss gdb" 1118 ;; 1119 d10v-*-*) 1120 noconfigdirs="$noconfigdirs target-libgloss" 1121 ;; 1122 d30v-*-*) 1123 noconfigdirs="$noconfigdirs gdb" 1124 ;; 1125 fr30-*-elf*) 1126 noconfigdirs="$noconfigdirs gdb" 1127 ;; 1128 ft32-*-*) 1129 noconfigdirs="$noconfigdirs target-rda gprof" 1130 ;; 1131 moxie-*-*) 1132 noconfigdirs="$noconfigdirs" 1133 ;; 1134 h8300*-*-*) 1135 noconfigdirs="$noconfigdirs target-libgloss" 1136 ;; 1137 h8500-*-*) 1138 noconfigdirs="$noconfigdirs target-libgloss" 1139 ;; 1140 hppa1.1-*-osf* | hppa1.1-*-bsd* ) 1141 ;; 1142 hppa*64*-*-hpux*) 1143 noconfigdirs="$noconfigdirs gdb" 1144 ;; 1145 hppa*-*-hpux11*) 1146 noconfigdirs="$noconfigdirs gdb ld" 1147 ;; 1148 hppa*64*-*-linux*) 1149 ;; 1150 hppa*-*-linux*) 1151 ;; 1152 hppa*-*-*elf* | \ 1153 hppa*-*-lites* | \ 1154 hppa*-*-openbsd* | \ 1155 hppa*64*-*-*) 1156 ;; 1157 hppa*-*-pro*) 1158 ;; 1159 hppa*-*-*) 1160 noconfigdirs="$noconfigdirs ld" 1161 ;; 1162 i960-*-*) 1163 noconfigdirs="$noconfigdirs gdb" 1164 ;; 1165 ia64*-*-elf*) 1166 # No gdb support yet. 1167 noconfigdirs="$noconfigdirs readline libgui itcl gdb" 1168 ;; 1169 ia64*-**-hpux*) 1170 # No ld support yet. 1171 noconfigdirs="$noconfigdirs gdb libgui itcl ld" 1172 ;; 1173 ia64*-*-*vms*) 1174 # No ld support yet. 1175 noconfigdirs="$noconfigdirs libgui itcl ld" 1176 ;; 1177 i[[3456789]]86-w64-mingw*) 1178 ;; 1179 i[[3456789]]86-*-mingw*) 1180 target_configdirs="$target_configdirs target-winsup" 1181 ;; 1182 *-*-cygwin*) 1183 target_configdirs="$target_configdirs target-libtermcap target-winsup" 1184 noconfigdirs="$noconfigdirs target-libgloss" 1185 # always build newlib if winsup directory is present. 1186 if test -d "$srcdir/winsup/cygwin"; then 1187 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` 1188 elif test -d "$srcdir/newlib"; then 1189 echo "Warning: winsup/cygwin is missing so newlib can't be built." 1190 fi 1191 ;; 1192 i[[3456789]]86-*-pe) 1193 noconfigdirs="$noconfigdirs target-libgloss" 1194 ;; 1195 i[[3456789]]86-*-sco3.2v5*) 1196 # The linker does not yet know about weak symbols in COFF, 1197 # and is not configured to handle mixed ELF and COFF. 1198 noconfigdirs="$noconfigdirs ld target-libgloss" 1199 ;; 1200 i[[3456789]]86-*-sco*) 1201 noconfigdirs="$noconfigdirs gprof target-libgloss" 1202 ;; 1203 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*) 1204 noconfigdirs="$noconfigdirs target-libgloss" 1205 ;; 1206 i[[3456789]]86-*-sysv4*) 1207 noconfigdirs="$noconfigdirs target-libgloss" 1208 ;; 1209 i[[3456789]]86-*-beos*) 1210 noconfigdirs="$noconfigdirs gdb" 1211 ;; 1212 i[[3456789]]86-*-rdos*) 1213 noconfigdirs="$noconfigdirs gdb" 1214 ;; 1215 mmix-*-*) 1216 noconfigdirs="$noconfigdirs gdb" 1217 ;; 1218 mt-*-*) 1219 noconfigdirs="$noconfigdirs sim" 1220 ;; 1221 powerpc-*-aix*) 1222 # copied from rs6000-*-* entry 1223 noconfigdirs="$noconfigdirs gprof" 1224 ;; 1225 powerpc*-*-winnt* | powerpc*-*-pe*) 1226 target_configdirs="$target_configdirs target-winsup" 1227 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl" 1228 # always build newlib. 1229 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` 1230 ;; 1231 # This is temporary until we can link against shared libraries 1232 powerpcle-*-solaris*) 1233 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl" 1234 ;; 1235 powerpc-*-beos*) 1236 noconfigdirs="$noconfigdirs gdb" 1237 ;; 1238 rs6000-*-lynxos*) 1239 noconfigdirs="$noconfigdirs gprof" 1240 ;; 1241 rs6000-*-aix*) 1242 noconfigdirs="$noconfigdirs gprof" 1243 ;; 1244 rs6000-*-*) 1245 noconfigdirs="$noconfigdirs gprof" 1246 ;; 1247 m68k-apollo-*) 1248 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss" 1249 ;; 1250 microblaze*) 1251 noconfigdirs="$noconfigdirs gprof" 1252 ;; 1253 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*) 1254 if test x$with_newlib = xyes; then 1255 noconfigdirs="$noconfigdirs gprof" 1256 fi 1257 ;; 1258 mips*-*-irix5*) 1259 noconfigdirs="$noconfigdirs gprof target-libgloss" 1260 ;; 1261 mips*-*-irix6*) 1262 noconfigdirs="$noconfigdirs gprof target-libgloss" 1263 ;; 1264 mips*-*-bsd*) 1265 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss" 1266 ;; 1267 mips*-*-linux*) 1268 ;; 1269 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \ 1270 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*) 1271 noconfigdirs="$noconfigdirs ld gas gprof" 1272 ;; 1273 mips*-*-*) 1274 noconfigdirs="$noconfigdirs gprof" 1275 ;; 1276 nvptx*-*-*) 1277 noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc" 1278 ;; 1279 or1k*-*-*) 1280 noconfigdirs="$noconfigdirs gdb" 1281 ;; 1282 sh-*-* | sh64-*-*) 1283 case "${target}" in 1284 sh*-*-elf) 1285 ;; 1286 *) 1287 noconfigdirs="$noconfigdirs target-libgloss" ;; 1288 esac 1289 ;; 1290 sparc-*-sunos4*) 1291 if test x${is_cross_compiler} = xno ; then 1292 use_gnu_ld=no 1293 fi 1294 ;; 1295 tic6x-*-*) 1296 noconfigdirs="$noconfigdirs sim" 1297 ;; 1298 tilegx*-*-*) 1299 noconfigdirs="$noconfigdirs sim" 1300 ;; 1301 tilepro*-*-*) 1302 noconfigdirs="$noconfigdirs gdb sim" 1303 ;; 1304 v810-*-*) 1305 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss" 1306 ;; 1307 vax-*-*) 1308 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1309 ;; 1310esac 1311 1312# If we aren't building newlib, then don't build libgloss, since libgloss 1313# depends upon some newlib header files. 1314case "${noconfigdirs}" in 1315 *target-libgloss*) ;; 1316 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;; 1317esac 1318 1319# Work in distributions that contain no compiler tools, like Autoconf. 1320host_makefile_frag=/dev/null 1321if test -d ${srcdir}/config ; then 1322case "${host}" in 1323 i[[3456789]]86-*-msdosdjgpp*) 1324 host_makefile_frag="config/mh-djgpp" 1325 ;; 1326 *-cygwin*) 1327 ACX_CHECK_CYGWIN_CAT_WORKS 1328 host_makefile_frag="config/mh-cygwin" 1329 ;; 1330 *-mingw*) 1331 host_makefile_frag="config/mh-mingw" 1332 ;; 1333 alpha*-linux*) 1334 host_makefile_frag="config/mh-alpha-linux" 1335 ;; 1336 hppa*-hp-hpux10*) 1337 host_makefile_frag="config/mh-pa-hpux10" 1338 ;; 1339 hppa*-hp-hpux*) 1340 host_makefile_frag="config/mh-pa" 1341 ;; 1342 hppa*-*) 1343 host_makefile_frag="config/mh-pa" 1344 ;; 1345 *-*-darwin*) 1346 host_makefile_frag="config/mh-darwin" 1347 ;; 1348 powerpc-*-aix*) 1349 host_makefile_frag="config/mh-ppc-aix" 1350 ;; 1351 rs6000-*-aix*) 1352 host_makefile_frag="config/mh-ppc-aix" 1353 ;; 1354esac 1355fi 1356 1357if test "${build}" != "${host}" ; then 1358 AR_FOR_BUILD=${AR_FOR_BUILD-ar} 1359 AS_FOR_BUILD=${AS_FOR_BUILD-as} 1360 CC_FOR_BUILD=${CC_FOR_BUILD-gcc} 1361 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++} 1362 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj} 1363 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran} 1364 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo} 1365 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool} 1366 LD_FOR_BUILD=${LD_FOR_BUILD-ld} 1367 NM_FOR_BUILD=${NM_FOR_BUILD-nm} 1368 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib} 1369 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres} 1370 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc} 1371else 1372 AR_FOR_BUILD="\$(AR)" 1373 AS_FOR_BUILD="\$(AS)" 1374 CC_FOR_BUILD="\$(CC)" 1375 CXX_FOR_BUILD="\$(CXX)" 1376 GCJ_FOR_BUILD="\$(GCJ)" 1377 GFORTRAN_FOR_BUILD="\$(GFORTRAN)" 1378 GOC_FOR_BUILD="\$(GOC)" 1379 DLLTOOL_FOR_BUILD="\$(DLLTOOL)" 1380 LD_FOR_BUILD="\$(LD)" 1381 NM_FOR_BUILD="\$(NM)" 1382 RANLIB_FOR_BUILD="\$(RANLIB)" 1383 WINDRES_FOR_BUILD="\$(WINDRES)" 1384 WINDMC_FOR_BUILD="\$(WINDMC)" 1385fi 1386 1387AC_PROG_CC 1388AC_PROG_CXX 1389 1390# We must set the default linker to the linker used by gcc for the correct 1391# operation of libtool. If LD is not defined and we are using gcc, try to 1392# set the LD default to the ld used by gcc. 1393if test -z "$LD"; then 1394 if test "$GCC" = yes; then 1395 case $build in 1396 *-*-mingw*) 1397 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;; 1398 *) 1399 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;; 1400 esac 1401 case $gcc_prog_ld in 1402 # Accept absolute paths. 1403 [[\\/]* | [A-Za-z]:[\\/]*)] 1404 LD="$gcc_prog_ld" ;; 1405 esac 1406 fi 1407fi 1408 1409# Check whether -static-libstdc++ -static-libgcc is supported. 1410have_static_libs=no 1411if test "$GCC" = yes; then 1412 saved_LDFLAGS="$LDFLAGS" 1413 1414 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc" 1415 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc]) 1416 AC_LANG_PUSH(C++) 1417 AC_LINK_IFELSE([ 1418#if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5) 1419#error -static-libstdc++ not implemented 1420#endif 1421int main() {}], 1422 [AC_MSG_RESULT([yes]); have_static_libs=yes], 1423 [AC_MSG_RESULT([no])]) 1424 AC_LANG_POP(C++) 1425 1426 LDFLAGS="$saved_LDFLAGS" 1427fi 1428 1429ACX_PROG_GNAT 1430ACX_PROG_CMP_IGNORE_INITIAL 1431 1432AC_ARG_ENABLE([bootstrap], 1433[AS_HELP_STRING([--enable-bootstrap], 1434 [enable bootstrapping @<:@yes if native build@:>@])],, 1435enable_bootstrap=default) 1436 1437# Issue errors and warnings for invalid/strange bootstrap combinations. 1438if test -r $srcdir/gcc/configure; then 1439 have_compiler=yes 1440else 1441 have_compiler=no 1442fi 1443 1444case "$have_compiler:$host:$target:$enable_bootstrap" in 1445 *:*:*:no) ;; 1446 1447 # Default behavior. Enable bootstrap if we have a compiler 1448 # and we are in a native configuration. 1449 yes:$build:$build:default) 1450 enable_bootstrap=yes ;; 1451 1452 *:*:*:default) 1453 enable_bootstrap=no ;; 1454 1455 # We have a compiler and we are in a native configuration, bootstrap is ok 1456 yes:$build:$build:yes) 1457 ;; 1458 1459 # Other configurations, but we have a compiler. Assume the user knows 1460 # what he's doing. 1461 yes:*:*:yes) 1462 AC_MSG_WARN([trying to bootstrap a cross compiler]) 1463 ;; 1464 1465 # No compiler: if they passed --enable-bootstrap explicitly, fail 1466 no:*:*:yes) 1467 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;; 1468 1469 # Fail if wrong command line 1470 *) 1471 AC_MSG_ERROR([invalid option for --enable-bootstrap]) 1472 ;; 1473esac 1474 1475# When bootstrapping with GCC, build stage 1 in C++98 mode to ensure that a 1476# C++98 compiler can still start the bootstrap. 1477if test "$enable_bootstrap:$GXX" = "yes:yes"; then 1478 CXX="$CXX -std=gnu++98" 1479fi 1480 1481# Used for setting $lt_cv_objdir 1482_LT_CHECK_OBJDIR 1483 1484# Check for GMP, MPFR and MPC 1485gmplibs="-lmpc -lmpfr -lgmp" 1486gmpinc= 1487have_gmp=no 1488 1489# Specify a location for mpc 1490# check for this first so it ends up on the link line before mpfr. 1491AC_ARG_WITH(mpc, 1492[AS_HELP_STRING([--with-mpc=PATH], 1493 [specify prefix directory for installed MPC package. 1494 Equivalent to --with-mpc-include=PATH/include 1495 plus --with-mpc-lib=PATH/lib])]) 1496AC_ARG_WITH(mpc-include, 1497[AS_HELP_STRING([--with-mpc-include=PATH], 1498 [specify directory for installed MPC include files])]) 1499AC_ARG_WITH(mpc-lib, 1500[AS_HELP_STRING([--with-mpc-lib=PATH], 1501 [specify directory for the installed MPC library])]) 1502 1503if test "x$with_mpc" != x; then 1504 gmplibs="-L$with_mpc/lib $gmplibs" 1505 gmpinc="-I$with_mpc/include $gmpinc" 1506fi 1507if test "x$with_mpc_include" != x; then 1508 gmpinc="-I$with_mpc_include $gmpinc" 1509fi 1510if test "x$with_mpc_lib" != x; then 1511 gmplibs="-L$with_mpc_lib $gmplibs" 1512fi 1513if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then 1514 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs" 1515 gmpinc='-I$$s/mpc/src '"$gmpinc" 1516 # Do not test the mpc version. Assume that it is sufficient, since 1517 # it is in the source tree, and the library has not been built yet 1518 # but it would be included on the link line in the version check below 1519 # hence making the test fail. 1520 have_gmp=yes 1521fi 1522 1523# Specify a location for mpfr 1524# check for this first so it ends up on the link line before gmp. 1525AC_ARG_WITH(mpfr-dir, 1526[AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])], 1527[AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed. 1528Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])]) 1529 1530AC_ARG_WITH(mpfr, 1531[AS_HELP_STRING([--with-mpfr=PATH], 1532 [specify prefix directory for installed MPFR package. 1533 Equivalent to --with-mpfr-include=PATH/include 1534 plus --with-mpfr-lib=PATH/lib])]) 1535AC_ARG_WITH(mpfr-include, 1536[AS_HELP_STRING([--with-mpfr-include=PATH], 1537 [specify directory for installed MPFR include files])]) 1538AC_ARG_WITH(mpfr-lib, 1539[AS_HELP_STRING([--with-mpfr-lib=PATH], 1540 [specify directory for the installed MPFR library])]) 1541 1542if test "x$with_mpfr" != x; then 1543 gmplibs="-L$with_mpfr/lib $gmplibs" 1544 gmpinc="-I$with_mpfr/include $gmpinc" 1545fi 1546if test "x$with_mpfr_include" != x; then 1547 gmpinc="-I$with_mpfr_include $gmpinc" 1548fi 1549if test "x$with_mpfr_lib" != x; then 1550 gmplibs="-L$with_mpfr_lib $gmplibs" 1551fi 1552if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then 1553 # MPFR v3.1.0 moved the sources into a src sub-directory. 1554 if test -d ${srcdir}/mpfr/src; then 1555 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs" 1556 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc" 1557 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir" 1558 else 1559 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs" 1560 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc" 1561 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir" 1562 fi 1563 # Do not test the mpfr version. Assume that it is sufficient, since 1564 # it is in the source tree, and the library has not been built yet 1565 # but it would be included on the link line in the version check below 1566 # hence making the test fail. 1567 have_gmp=yes 1568fi 1569 1570# Specify a location for gmp 1571AC_ARG_WITH(gmp-dir, 1572[AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])], 1573[AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed. 1574Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])]) 1575 1576AC_ARG_WITH(gmp, 1577[AS_HELP_STRING([--with-gmp=PATH], 1578 [specify prefix directory for the installed GMP package. 1579 Equivalent to --with-gmp-include=PATH/include 1580 plus --with-gmp-lib=PATH/lib])]) 1581AC_ARG_WITH(gmp-include, 1582[AS_HELP_STRING([--with-gmp-include=PATH], 1583 [specify directory for installed GMP include files])]) 1584AC_ARG_WITH(gmp-lib, 1585[AS_HELP_STRING([--with-gmp-lib=PATH], 1586 [specify directory for the installed GMP library])]) 1587 1588 1589if test "x$with_gmp" != x; then 1590 gmplibs="-L$with_gmp/lib $gmplibs" 1591 gmpinc="-I$with_gmp/include $gmpinc" 1592fi 1593if test "x$with_gmp_include" != x; then 1594 gmpinc="-I$with_gmp_include $gmpinc" 1595fi 1596if test "x$with_gmp_lib" != x; then 1597 gmplibs="-L$with_gmp_lib $gmplibs" 1598fi 1599if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then 1600 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs" 1601 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc" 1602 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir" 1603 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir" 1604 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp' 1605 # Do not test the gmp version. Assume that it is sufficient, since 1606 # it is in the source tree, and the library has not been built yet 1607 # but it would be included on the link line in the version check below 1608 # hence making the test fail. 1609 have_gmp=yes 1610fi 1611 1612if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then 1613 have_gmp=yes 1614 saved_CFLAGS="$CFLAGS" 1615 CFLAGS="$CFLAGS $gmpinc" 1616 # Check for the recommended and required versions of GMP. 1617 AC_MSG_CHECKING([for the correct version of gmp.h]) 1618 AC_TRY_COMPILE([#include "gmp.h"],[ 1619 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) 1620 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) 1621 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3) 1622 choke me 1623 #endif 1624 ], [AC_TRY_COMPILE([#include <gmp.h>],[ 1625 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) 1626 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) 1627 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2) 1628 choke me 1629 #endif 1630 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1631 [AC_MSG_RESULT([no]); have_gmp=no]) 1632 1633 # If we have GMP, check the MPFR version. 1634 if test x"$have_gmp" = xyes; then 1635 # Check for the recommended and required versions of MPFR. 1636 AC_MSG_CHECKING([for the correct version of mpfr.h]) 1637 AC_TRY_COMPILE([#include <gmp.h> 1638 #include <mpfr.h>],[ 1639 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0) 1640 choke me 1641 #endif 1642 ], [AC_TRY_COMPILE([#include <gmp.h> 1643 #include <mpfr.h>],[ 1644 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2) 1645 choke me 1646 #endif 1647 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1648 [AC_MSG_RESULT([no]); have_gmp=no]) 1649 fi 1650 1651 # Check for the MPC header version. 1652 if test x"$have_gmp" = xyes ; then 1653 # Check for the recommended and required versions of MPC. 1654 AC_MSG_CHECKING([for the correct version of mpc.h]) 1655 AC_TRY_COMPILE([#include <mpc.h>],[ 1656 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0) 1657 choke me 1658 #endif 1659 ], [AC_TRY_COMPILE([#include <mpc.h>],[ 1660 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1) 1661 choke me 1662 #endif 1663 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1664 [AC_MSG_RESULT([no]); have_gmp=no]) 1665 fi 1666 1667 # Now check the MPFR library. 1668 if test x"$have_gmp" = xyes; then 1669 saved_LIBS="$LIBS" 1670 LIBS="$LIBS $gmplibs" 1671 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries]) 1672 AC_TRY_LINK([#include <mpc.h>],[ 1673 mpfr_t n; 1674 mpfr_t x; 1675 mpc_t c; 1676 int t; 1677 mpfr_init (n); 1678 mpfr_init (x); 1679 mpfr_atan2 (n, n, x, GMP_RNDN); 1680 mpfr_erfc (n, x, GMP_RNDN); 1681 mpfr_subnormalize (x, t, GMP_RNDN); 1682 mpfr_clear(n); 1683 mpfr_clear(x); 1684 mpc_init2 (c, 53); 1685 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN); 1686 mpc_cosh (c, c, MPC_RNDNN); 1687 mpc_pow (c, c, c, MPC_RNDNN); 1688 mpc_acosh (c, c, MPC_RNDNN); 1689 mpc_clear (c); 1690 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no]) 1691 LIBS="$saved_LIBS" 1692 fi 1693 1694 CFLAGS="$saved_CFLAGS" 1695 1696# The library versions listed in the error message below should match 1697# the HARD-minimums enforced above. 1698 if test x$have_gmp != xyes; then 1699 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+. 1700Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify 1701their locations. Source code for these libraries can be found at 1702their respective hosting sites as well as at 1703ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also 1704http://gcc.gnu.org/install/prerequisites.html for additional info. If 1705you obtained GMP, MPFR and/or MPC from a vendor distribution package, 1706make sure that you have installed both the libraries and the header 1707files. They may be located in separate packages.]) 1708 fi 1709fi 1710 1711# Flags needed for both GMP, MPFR and/or MPC. 1712AC_SUBST(gmplibs) 1713AC_SUBST(gmpinc) 1714AC_SUBST(extra_mpfr_configure_flags) 1715AC_SUBST(extra_mpc_gmp_configure_flags) 1716AC_SUBST(extra_mpc_mpfr_configure_flags) 1717AC_SUBST(extra_isl_gmp_configure_flags) 1718 1719# Libraries to use for stage1 or when not bootstrapping. 1720AC_ARG_WITH(stage1-libs, 1721[AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])], 1722[if test "$withval" = "no" -o "$withval" = "yes"; then 1723 stage1_libs= 1724 else 1725 stage1_libs=$withval 1726 fi], 1727[stage1_libs=]) 1728AC_SUBST(stage1_libs) 1729 1730# Linker flags to use for stage1 or when not bootstrapping. 1731AC_ARG_WITH(stage1-ldflags, 1732[AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])], 1733[if test "$withval" = "no" -o "$withval" = "yes"; then 1734 stage1_ldflags= 1735 else 1736 stage1_ldflags=$withval 1737 fi], 1738[stage1_ldflags= 1739 # In stage 1, default to linking libstdc++ and libgcc statically with GCC 1740 # if supported. But if the user explicitly specified the libraries to use, 1741 # trust that they are doing what they want. 1742 if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then 1743 stage1_ldflags="-static-libstdc++ -static-libgcc" 1744 fi]) 1745AC_SUBST(stage1_ldflags) 1746 1747# Libraries to use for stage2 and later builds. 1748AC_ARG_WITH(boot-libs, 1749[AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])], 1750[if test "$withval" = "no" -o "$withval" = "yes"; then 1751 poststage1_libs= 1752 else 1753 poststage1_libs=$withval 1754 fi], 1755[poststage1_libs=]) 1756AC_SUBST(poststage1_libs) 1757 1758# Linker flags to use for stage2 and later builds. 1759AC_ARG_WITH(boot-ldflags, 1760[AS_HELP_STRING([--with-boot-ldflags=FLAGS], 1761 [linker flags for stage2 and later])], 1762[if test "$withval" = "no" -o "$withval" = "yes"; then 1763 poststage1_ldflags= 1764 else 1765 poststage1_ldflags=$withval 1766 fi], 1767[poststage1_ldflags= 1768 # In stages 2 and 3, default to linking libstdc++ and libgcc 1769 # statically. But if the user explicitly specified the libraries to 1770 # use, trust that they are doing what they want. 1771 if test "$poststage1_libs" = ""; then 1772 poststage1_ldflags="-static-libstdc++ -static-libgcc" 1773 fi]) 1774AC_SUBST(poststage1_ldflags) 1775 1776# GCC GRAPHITE dependency isl. 1777# Basic setup is inlined here, actual checks are in config/isl.m4 1778 1779AC_ARG_WITH(isl, 1780 [AS_HELP_STRING( 1781 [--with-isl=PATH], 1782 [Specify prefix directory for the installed isl package. 1783 Equivalent to --with-isl-include=PATH/include 1784 plus --with-isl-lib=PATH/lib])]) 1785 1786# Treat --without-isl as a request to disable 1787# GRAPHITE support and skip all following checks. 1788if test "x$with_isl" != "xno"; then 1789 # Check for isl 1790 dnl Provide configure switches and initialize islinc & isllibs 1791 dnl with user input. 1792 ISL_INIT_FLAGS 1793 dnl The versions of isl that work for Graphite 1794 ISL_CHECK_VERSION() 1795 dnl Only execute fail-action, if isl has been requested. 1796 ISL_IF_FAILED([ 1797 AC_MSG_ERROR([Unable to find a usable isl. See config.log for details.])]) 1798fi 1799 1800# If the isl check failed, disable builds of in-tree variant of isl 1801if test "x$with_isl" = xno || 1802 test "x$gcc_cv_isl" = xno; then 1803 noconfigdirs="$noconfigdirs isl" 1804 islinc= 1805fi 1806 1807AC_SUBST(isllibs) 1808AC_SUBST(islinc) 1809 1810# Check for LTO support. 1811AC_ARG_ENABLE(lto, 1812[AS_HELP_STRING([--enable-lto], [enable link time optimization support])], 1813enable_lto=$enableval, 1814enable_lto=yes; default_enable_lto=yes) 1815 1816ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always. 1817 build_lto_plugin=yes 1818],[if test x"$default_enable_lto" = x"yes" ; then 1819 case $target in 1820 *-apple-darwin9* | *-cygwin* | *-mingw* | *djgpp*) ;; 1821 # On other non-ELF platforms, LTO has yet to be validated. 1822 *) enable_lto=no ;; 1823 esac 1824 else 1825 # Apart from ELF platforms, only Windows and Darwin support LTO so far. 1826 # It would also be nice to check the binutils support, but we don't 1827 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just 1828 # warn during gcc/ subconfigure; unless you're bootstrapping with 1829 # -flto it won't be needed until after installation anyway. 1830 case $target in 1831 *-cygwin* | *-mingw* | *-apple-darwin* | *djgpp*) ;; 1832 *) if test x"$enable_lto" = x"yes"; then 1833 AC_MSG_ERROR([LTO support is not enabled for this target.]) 1834 fi 1835 ;; 1836 esac 1837 fi 1838 # Among non-ELF, only Windows platforms support the lto-plugin so far. 1839 # Build it unless LTO was explicitly disabled. 1840 case $target in 1841 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;; 1842 *) ;; 1843 esac 1844]) 1845 1846AC_ARG_ENABLE(linker-plugin-configure-flags, 1847 [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]], 1848 [additional flags for configuring linker plugins @<:@none@:>@])], 1849 extra_linker_plugin_configure_flags=$enableval, 1850 extra_linker_plugin_configure_flags=) 1851AC_SUBST(extra_linker_plugin_configure_flags) 1852AC_ARG_ENABLE(linker-plugin-flags, 1853 [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]], 1854 [additional flags for configuring and building linker plugins @<:@none@:>@])], 1855 extra_linker_plugin_flags=$enableval, 1856 extra_linker_plugin_flags=) 1857AC_SUBST(extra_linker_plugin_flags) 1858 1859 1860# By default, C and C++ are the only stage 1 languages. 1861stage1_languages=,c, 1862 1863# Target libraries that we bootstrap. 1864bootstrap_target_libs=,target-libgcc, 1865 1866# Figure out what language subdirectories are present. 1867# Look if the user specified --enable-languages="..."; if not, use 1868# the environment variable $LANGUAGES if defined. $LANGUAGES might 1869# go away some day. 1870# NB: embedded tabs in this IF block -- do not untabify 1871if test -d ${srcdir}/gcc; then 1872 if test x"${enable_languages+set}" != xset; then 1873 if test x"${LANGUAGES+set}" = xset; then 1874 enable_languages="${LANGUAGES}" 1875 echo configure.ac: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2 1876 else 1877 enable_languages=all 1878 fi 1879 else 1880 if test x"${enable_languages}" = x || 1881 test x"${enable_languages}" = xyes; 1882 then 1883 echo configure.ac: --enable-languages needs at least one language argument 1>&2 1884 exit 1 1885 fi 1886 fi 1887 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'` 1888 1889 # 'f95' is the old name for the 'fortran' language. We issue a warning 1890 # and make the substitution. 1891 case ,${enable_languages}, in 1892 *,f95,*) 1893 echo configure.ac: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2 1894 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'` 1895 ;; 1896 esac 1897 1898 # If bootstrapping, C++ must be enabled. 1899 case ",$enable_languages,:$enable_bootstrap" in 1900 *,c++,*:*) ;; 1901 *:yes) 1902 if test -f ${srcdir}/gcc/cp/config-lang.in; then 1903 enable_languages="${enable_languages},c++" 1904 else 1905 AC_MSG_ERROR([bootstrapping requires c++ sources]) 1906 fi 1907 ;; 1908 esac 1909 1910 # First scan to see if an enabled language requires some other language. 1911 # We assume that a given config-lang.in will list all the language 1912 # front ends it requires, even if some are required indirectly. 1913 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do 1914 case ${lang_frag} in 1915 ..) ;; 1916 # The odd quoting in the next line works around 1917 # an apparent bug in bash 1.12 on linux. 1918 ${srcdir}/gcc/[[*]]/config-lang.in) ;; 1919 *) 1920 # From the config-lang.in, get $language, $lang_requires, and 1921 # $lang_requires_boot_languages. 1922 language= 1923 lang_requires= 1924 lang_requires_boot_languages= 1925 . ${lang_frag} 1926 for other in ${lang_requires} ${lang_requires_boot_languages}; do 1927 case ,${enable_languages}, in 1928 *,$other,*) ;; 1929 *,all,*) ;; 1930 *,$language,*) 1931 echo " \`$other' language required by \`$language'; enabling" 1>&2 1932 enable_languages="${enable_languages},${other}" 1933 ;; 1934 esac 1935 done 1936 for other in ${lang_requires_boot_languages} ; do 1937 if test "$other" != "c"; then 1938 case ,${enable_stage1_languages}, in 1939 *,$other,*) ;; 1940 *,all,*) ;; 1941 *) 1942 case ,${enable_languages}, in 1943 *,$language,*) 1944 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2 1945 enable_stage1_languages="$enable_stage1_languages,${other}" 1946 ;; 1947 esac 1948 ;; 1949 esac 1950 fi 1951 done 1952 ;; 1953 esac 1954 done 1955 1956 new_enable_languages=,c, 1957 1958 # If LTO is enabled, add the LTO front end. 1959 if test "$enable_lto" = "yes" ; then 1960 case ,${enable_languages}, in 1961 *,lto,*) ;; 1962 *) enable_languages="${enable_languages},lto" ;; 1963 esac 1964 if test "${build_lto_plugin}" = "yes" ; then 1965 configdirs="$configdirs lto-plugin" 1966 fi 1967 fi 1968 1969 # If we're building an offloading compiler, add the LTO front end. 1970 if test x"$enable_as_accelerator_for" != x ; then 1971 case ,${enable_languages}, in 1972 *,lto,*) ;; 1973 *) enable_languages="${enable_languages},lto" ;; 1974 esac 1975 fi 1976 1977 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ ` 1978 potential_languages=,c, 1979 1980 enabled_target_libs= 1981 disabled_target_libs= 1982 1983 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do 1984 case ${lang_frag} in 1985 ..) ;; 1986 # The odd quoting in the next line works around 1987 # an apparent bug in bash 1.12 on linux. 1988 ${srcdir}/gcc/[[*]]/config-lang.in) ;; 1989 *) 1990 # From the config-lang.in, get $language, $target_libs, 1991 # $lang_dirs, $boot_language, and $build_by_default 1992 language= 1993 target_libs= 1994 lang_dirs= 1995 subdir_requires= 1996 boot_language=no 1997 build_by_default=yes 1998 . ${lang_frag} 1999 if test x${language} = x; then 2000 echo "${lang_frag} doesn't set \$language." 1>&2 2001 exit 1 2002 fi 2003 2004 if test "$language" = "c++"; then 2005 boot_language=yes 2006 fi 2007 2008 add_this_lang=no 2009 case ,${enable_languages}, in 2010 *,${language},*) 2011 # Language was explicitly selected; include it 2012 # unless it is C, which is enabled by default. 2013 if test "$language" != "c"; then 2014 add_this_lang=yes 2015 fi 2016 ;; 2017 *,all,*) 2018 # 'all' was selected, select it if it is a default language 2019 if test "$language" != "c"; then 2020 add_this_lang=${build_by_default} 2021 fi 2022 ;; 2023 esac 2024 2025 # Disable languages that need other directories if these aren't available. 2026 for i in $subdir_requires; do 2027 test -f "$srcdir/gcc/$i/config-lang.in" && continue 2028 case ,${enable_languages}, in 2029 *,${language},*) 2030 # Specifically requested language; tell them. 2031 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing]) 2032 ;; 2033 *) 2034 # Silently disable. 2035 add_this_lang=unsupported 2036 ;; 2037 esac 2038 done 2039 2040 # Disable Ada if no preexisting GNAT is available. 2041 case ,${enable_languages},:${language}:${have_gnat} in 2042 *,${language},*:ada:no) 2043 # Specifically requested language; tell them. 2044 AC_MSG_ERROR([GNAT is required to build $language]) 2045 ;; 2046 *:ada:no) 2047 # Silently disable. 2048 add_this_lang=unsupported 2049 ;; 2050 esac 2051 2052 # Disable a language that is unsupported by the target. 2053 case " $unsupported_languages " in 2054 *" $language "*) 2055 add_this_lang=unsupported 2056 ;; 2057 esac 2058 2059 case $add_this_lang in 2060 unsupported) 2061 # Remove language-dependent dirs. 2062 disabled_target_libs="$disabled_target_libs $target_libs" 2063 noconfigdirs="$noconfigdirs $lang_dirs" 2064 ;; 2065 no) 2066 # Remove language-dependent dirs; still show language as supported. 2067 disabled_target_libs="$disabled_target_libs $target_libs" 2068 noconfigdirs="$noconfigdirs $lang_dirs" 2069 potential_languages="${potential_languages}${language}," 2070 ;; 2071 yes) 2072 new_enable_languages="${new_enable_languages}${language}," 2073 potential_languages="${potential_languages}${language}," 2074 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"` 2075 enabled_target_libs="$enabled_target_libs $target_libs" 2076 case "${boot_language}:,$enable_stage1_languages," in 2077 yes:* | *:*,$language,* | *:*,yes, | *:*,all,) 2078 # Add to (comma-separated) list of stage 1 languages. 2079 case ",$stage1_languages," in 2080 *,$language,* | ,yes, | ,all,) ;; 2081 *) stage1_languages="${stage1_languages}${language}," ;; 2082 esac 2083 # We need to bootstrap any supporting libraries. 2084 bootstrap_target_libs="${bootstrap_target_libs}${target_libs}," 2085 ;; 2086 esac 2087 ;; 2088 esac 2089 ;; 2090 esac 2091 done 2092 2093 # Add target libraries which are only needed for disabled languages 2094 # to noconfigdirs. 2095 if test -n "$disabled_target_libs"; then 2096 for dir in $disabled_target_libs; do 2097 case " $enabled_target_libs " in 2098 *" ${dir} "*) ;; 2099 *) noconfigdirs="$noconfigdirs $dir" ;; 2100 esac 2101 done 2102 fi 2103 2104 AC_ARG_ENABLE(stage1-languages, 2105 [AS_HELP_STRING([[--enable-stage1-languages[=all]]], 2106 [choose additional languages to build during 2107 stage1. Mostly useful for compiler development])], 2108 [case ,${enable_stage1_languages}, in 2109 ,no,|,,) 2110 # Set it to something that will have no effect in the loop below 2111 enable_stage1_languages=c ;; 2112 ,yes,) 2113 enable_stage1_languages=`echo $new_enable_languages | \ 2114 sed -e "s/^,//" -e "s/,$//" ` ;; 2115 *,all,*) 2116 enable_stage1_languages=`echo ,$enable_stage1_languages, | \ 2117 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;; 2118 esac 2119 2120 # Add "good" languages from enable_stage1_languages to stage1_languages, 2121 # while "bad" languages go in missing_languages. Leave no duplicates. 2122 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do 2123 case $potential_languages in 2124 *,$i,*) 2125 case $stage1_languages in 2126 *,$i,*) ;; 2127 *) stage1_languages="$stage1_languages$i," ;; 2128 esac ;; 2129 *) 2130 case $missing_languages in 2131 *,$i,*) ;; 2132 *) missing_languages="$missing_languages$i," ;; 2133 esac ;; 2134 esac 2135 done]) 2136 2137 # Remove leading/trailing commas that were added for simplicity 2138 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"` 2139 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"` 2140 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"` 2141 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"` 2142 2143 if test "x$missing_languages" != x; then 2144 AC_MSG_ERROR([ 2145The following requested languages could not be built: ${missing_languages} 2146Supported languages are: ${potential_languages}]) 2147 fi 2148 if test "x$new_enable_languages" != "x$enable_languages"; then 2149 echo The following languages will be built: ${new_enable_languages} 2150 enable_languages="$new_enable_languages" 2151 fi 2152 2153 AC_SUBST(stage1_languages) 2154 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" ` 2155fi 2156 2157# Handle --disable-<component> generically. 2158for dir in $configdirs $build_configdirs $target_configdirs ; do 2159 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g` 2160 varname=`echo $dirname | sed -e s/+/_/g` 2161 if eval test x\${enable_${varname}} "=" xno ; then 2162 noconfigdirs="$noconfigdirs $dir" 2163 fi 2164done 2165 2166# Check for Boehm's garbage collector 2167AC_ARG_ENABLE(objc-gc, 2168[AS_HELP_STRING([--enable-objc-gc], 2169 [enable use of Boehm's garbage collector with the 2170 GNU Objective-C runtime])], 2171[case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in 2172 *,objc,*:*:yes:*target-boehm-gc*) 2173 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration]) 2174 ;; 2175esac]) 2176 2177# Make sure we only build Boehm's garbage collector if required. 2178case ,${enable_languages},:${enable_objc_gc} in 2179 *,objc,*:yes) 2180 # Keep target-boehm-gc if requested for Objective-C. 2181 ;; 2182 *) 2183 # Otherwise remove target-boehm-gc depending on target-libjava. 2184 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then 2185 noconfigdirs="$noconfigdirs target-boehm-gc" 2186 fi 2187 ;; 2188esac 2189 2190# Disable libcilkrts, libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++ 2191case ,${enable_languages}, in 2192 *,c++,*) 2193 # Disable libcilkrts, libitm, libsanitizer if we're not building libstdc++ 2194 case "${noconfigdirs}" in 2195 *target-libstdc++-v3*) 2196 noconfigdirs="$noconfigdirs target-libcilkrts target-libitm target-libsanitizer" 2197 ;; 2198 *) ;; 2199 esac 2200 ;; 2201 *) 2202 noconfigdirs="$noconfigdirs target-libcilkrts target-liboffloadmic target-libitm target-libsanitizer target-libvtv" 2203 ;; 2204esac 2205 2206# Remove the entries in $skipdirs and $noconfigdirs from $configdirs, 2207# $build_configdirs and $target_configdirs. 2208# If we have the source for $noconfigdirs entries, add them to $notsupp. 2209 2210notsupp="" 2211for dir in . $skipdirs $noconfigdirs ; do 2212 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g` 2213 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2214 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"` 2215 if test -r $srcdir/$dirname/configure ; then 2216 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2217 true 2218 else 2219 notsupp="$notsupp $dir" 2220 fi 2221 fi 2222 fi 2223 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2224 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"` 2225 if test -r $srcdir/$dirname/configure ; then 2226 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2227 true 2228 else 2229 notsupp="$notsupp $dir" 2230 fi 2231 fi 2232 fi 2233 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2234 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"` 2235 if test -r $srcdir/$dirname/configure ; then 2236 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2237 true 2238 else 2239 notsupp="$notsupp $dir" 2240 fi 2241 fi 2242 fi 2243done 2244 2245# Quietly strip out all directories which aren't configurable in this tree. 2246# This relies on all configurable subdirectories being autoconfiscated, which 2247# is now the case. 2248build_configdirs_all="$build_configdirs" 2249build_configdirs= 2250for i in ${build_configdirs_all} ; do 2251 j=`echo $i | sed -e s/build-//g` 2252 if test -f ${srcdir}/$j/configure ; then 2253 build_configdirs="${build_configdirs} $i" 2254 fi 2255done 2256 2257configdirs_all="$configdirs" 2258configdirs= 2259for i in ${configdirs_all} ; do 2260 if test -f ${srcdir}/$i/configure ; then 2261 configdirs="${configdirs} $i" 2262 fi 2263done 2264 2265target_configdirs_all="$target_configdirs" 2266target_configdirs= 2267for i in ${target_configdirs_all} ; do 2268 j=`echo $i | sed -e s/target-//g` 2269 if test -f ${srcdir}/$j/configure ; then 2270 target_configdirs="${target_configdirs} $i" 2271 fi 2272done 2273 2274# Exclude target-zlib if target-libjava isn't built. 2275case ${target_configdirs} in 2276*target-libjava*) 2277 ;; 2278*) 2279 target_configdirs="`echo ${target_configdirs} | sed -e 's/target-zlib//'`" 2280 ;; 2281esac 2282 2283# libiberty-linker-plugin is special: it doesn't have its own source directory, 2284# so we have to add it after the preceding checks. 2285if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x 2286then 2287 case " $configdirs " in 2288 *" libiberty "*) 2289 # If we can build libiberty, we can also build libiberty-linker-plugin. 2290 configdirs="$configdirs libiberty-linker-plugin" 2291 extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \ 2292 --with-libiberty=../libiberty-linker-plugin";; 2293 *) 2294 AC_MSG_ERROR([libiberty missing]);; 2295 esac 2296fi 2297 2298# Sometimes we have special requirements for the host libiberty. 2299extra_host_libiberty_configure_flags= 2300extra_host_zlib_configure_flags= 2301case " $configdirs " in 2302 *" lto-plugin "* | *" libcc1 "*) 2303 # When these are to be built as shared libraries, the same applies to 2304 # libiberty. 2305 extra_host_libiberty_configure_flags=--enable-shared 2306 ;; 2307 *" bfd "*) 2308 # When bfd is to be built as a shared library, the same applies to 2309 # zlib. 2310 if test "$enable_shared" = "yes"; then 2311 extra_host_zlib_configure_flags=--enable-host-shared 2312 fi 2313 ;; 2314esac 2315AC_SUBST(extra_host_libiberty_configure_flags) 2316AC_SUBST(extra_host_zlib_configure_flags) 2317 2318# Produce a warning message for the subdirs we can't configure. 2319# This isn't especially interesting in the Cygnus tree, but in the individual 2320# FSF releases, it's important to let people know when their machine isn't 2321# supported by the one or two programs in a package. 2322 2323if test -n "${notsupp}" && test -z "${norecursion}" ; then 2324 # If $appdirs is non-empty, at least one of those directories must still 2325 # be configured, or we error out. (E.g., if the gas release supports a 2326 # specified target in some subdirs but not the gas subdir, we shouldn't 2327 # pretend that all is well.) 2328 if test -n "$appdirs" ; then 2329 for dir in $appdirs ; do 2330 if test -r $dir/Makefile.in ; then 2331 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2332 appdirs="" 2333 break 2334 fi 2335 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then 2336 appdirs="" 2337 break 2338 fi 2339 fi 2340 done 2341 if test -n "$appdirs" ; then 2342 echo "*** This configuration is not supported by this package." 1>&2 2343 exit 1 2344 fi 2345 fi 2346 # Okay, some application will build, or we don't care to check. Still 2347 # notify of subdirs not getting built. 2348 echo "*** This configuration is not supported in the following subdirectories:" 1>&2 2349 echo " ${notsupp}" 1>&2 2350 echo " (Any other directories should still work fine.)" 1>&2 2351fi 2352 2353case "$host" in 2354 *msdosdjgpp*) 2355 enable_gdbtk=no ;; 2356esac 2357 2358# To find our prefix, in gcc_cv_tool_prefix. 2359ACX_TOOL_DIRS 2360 2361copy_dirs= 2362 2363AC_ARG_WITH([build-sysroot], 2364 [AS_HELP_STRING([--with-build-sysroot=SYSROOT], 2365 [use sysroot as the system root during the build])], 2366 [if test x"$withval" != x ; then 2367 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval" 2368 fi], 2369 [SYSROOT_CFLAGS_FOR_TARGET=]) 2370AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET) 2371 2372AC_ARG_WITH([debug-prefix-map], 2373 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'], 2374 [map A to B, C to D ... in debug information])], 2375 [if test x"$withval" != x; then 2376 DEBUG_PREFIX_CFLAGS_FOR_TARGET= 2377 for debug_map in $withval; do 2378 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map" 2379 done 2380 fi], 2381 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=]) 2382AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET) 2383 2384# During gcc bootstrap, if we use some random cc for stage1 then CFLAGS 2385# might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS 2386# might also be empty (or "-g", if a non-GCC C++ compiler is in the path). 2387# We want to ensure that TARGET libraries (which we know are built with 2388# gcc) are built with "-O2 -g", so include those options when setting 2389# CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET. 2390if test "x$CFLAGS_FOR_TARGET" = x; then 2391 if test "x${is_cross_compiler}" = xyes; then 2392 CFLAGS_FOR_TARGET="-g -O2" 2393 else 2394 CFLAGS_FOR_TARGET=$CFLAGS 2395 case " $CFLAGS " in 2396 *" -O2 "*) ;; 2397 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;; 2398 esac 2399 case " $CFLAGS " in 2400 *" -g "* | *" -g3 "*) ;; 2401 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;; 2402 esac 2403 fi 2404fi 2405AC_SUBST(CFLAGS_FOR_TARGET) 2406 2407if test "x$CXXFLAGS_FOR_TARGET" = x; then 2408 if test "x${is_cross_compiler}" = xyes; then 2409 CXXFLAGS_FOR_TARGET="-g -O2" 2410 else 2411 CXXFLAGS_FOR_TARGET=$CXXFLAGS 2412 case " $CXXFLAGS " in 2413 *" -O2 "*) ;; 2414 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;; 2415 esac 2416 case " $CXXFLAGS " in 2417 *" -g "* | *" -g3 "*) ;; 2418 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;; 2419 esac 2420 fi 2421fi 2422AC_SUBST(CXXFLAGS_FOR_TARGET) 2423 2424AC_SUBST(LDFLAGS_FOR_TARGET) 2425 2426# Handle --with-headers=XXX. If the value is not "yes", the contents of 2427# the named directory are copied to $(tooldir)/sys-include. 2428if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then 2429 if test x${is_cross_compiler} = xno ; then 2430 echo 1>&2 '***' --with-headers is only supported when cross compiling 2431 exit 1 2432 fi 2433 if test x"${with_headers}" != xyes ; then 2434 x=${gcc_cv_tool_prefix} 2435 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include" 2436 fi 2437fi 2438 2439# Handle --with-libs=XXX. If the value is not "yes", the contents of 2440# the name directories are copied to $(tooldir)/lib. Multiple directories 2441# are permitted. 2442if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then 2443 if test x${is_cross_compiler} = xno ; then 2444 echo 1>&2 '***' --with-libs is only supported when cross compiling 2445 exit 1 2446 fi 2447 if test x"${with_libs}" != xyes ; then 2448 # Copy the libraries in reverse order, so that files in the first named 2449 # library override files in subsequent libraries. 2450 x=${gcc_cv_tool_prefix} 2451 for l in ${with_libs}; do 2452 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}" 2453 done 2454 fi 2455fi 2456 2457# Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate. 2458# 2459# This is done by determining whether or not the appropriate directory 2460# is available, and by checking whether or not specific configurations 2461# have requested that this magic not happen. 2462# 2463# The command line options always override the explicit settings in 2464# configure.ac, and the settings in configure.ac override this magic. 2465# 2466# If the default for a toolchain is to use GNU as and ld, and you don't 2467# want to do that, then you should use the --without-gnu-as and 2468# --without-gnu-ld options for the configure script. Similarly, if 2469# the default is to use the included zlib and you don't want to do that, 2470# you should use the --with-system-zlib option for the configure script. 2471 2472if test x${use_gnu_as} = x && 2473 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then 2474 with_gnu_as=yes 2475 extra_host_args="$extra_host_args --with-gnu-as" 2476fi 2477 2478if test x${use_gnu_ld} = x && 2479 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then 2480 with_gnu_ld=yes 2481 extra_host_args="$extra_host_args --with-gnu-ld" 2482fi 2483 2484if test x${use_included_zlib} = x && 2485 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then 2486 : 2487else 2488 with_system_zlib=yes 2489 extra_host_args="$extra_host_args --with-system-zlib" 2490fi 2491 2492# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure 2493# can detect this case. 2494 2495if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then 2496 with_newlib=yes 2497 extra_host_args="$extra_host_args --with-newlib" 2498fi 2499 2500# Handle ${copy_dirs} 2501set fnord ${copy_dirs} 2502shift 2503while test $# != 0 ; do 2504 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then 2505 : 2506 else 2507 echo Copying $1 to $2 2508 2509 # Use the install script to create the directory and all required 2510 # parent directories. 2511 if test -d $2 ; then 2512 : 2513 else 2514 echo >config.temp 2515 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED 2516 fi 2517 2518 # Copy the directory, assuming we have tar. 2519 # FIXME: Should we use B in the second tar? Not all systems support it. 2520 (cd $1; tar -cf - .) | (cd $2; tar -xpf -) 2521 2522 # It is the responsibility of the user to correctly adjust all 2523 # symlinks. If somebody can figure out how to handle them correctly 2524 # here, feel free to add the code. 2525 2526 echo $1 > $2/COPIED 2527 fi 2528 shift; shift 2529done 2530 2531# Determine a target-dependent exec_prefix that the installed 2532# gcc will search in. Keep this list sorted by triplet, with 2533# the *-*-osname triplets last. 2534md_exec_prefix= 2535case "${target}" in 2536 i[[34567]]86-pc-msdosdjgpp*) 2537 md_exec_prefix=/dev/env/DJDIR/bin 2538 ;; 2539 *-*-hpux* | \ 2540 *-*-nto-qnx* | \ 2541 *-*-solaris2*) 2542 md_exec_prefix=/usr/ccs/bin 2543 ;; 2544esac 2545 2546extra_arflags_for_target= 2547extra_nmflags_for_target= 2548extra_ranlibflags_for_target= 2549target_makefile_frag=/dev/null 2550case "${target}" in 2551 spu-*-*) 2552 target_makefile_frag="config/mt-spu" 2553 ;; 2554 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*) 2555 target_makefile_frag="config/mt-sde" 2556 ;; 2557 mipsisa*-*-elfoabi*) 2558 target_makefile_frag="config/mt-mips-elfoabi" 2559 ;; 2560 mips*-*-*linux* | mips*-*-gnu*) 2561 target_makefile_frag="config/mt-mips-gnu" 2562 ;; 2563 nios2-*-elf*) 2564 target_makefile_frag="config/mt-nios2-elf" 2565 ;; 2566 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 2567 target_makefile_frag="config/mt-gnu" 2568 ;; 2569 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*) 2570 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm 2571 # commands to handle both 32-bit and 64-bit objects. These flags are 2572 # harmless if we're using GNU nm or ar. 2573 extra_arflags_for_target=" -X32_64" 2574 extra_nmflags_for_target=" -B -X32_64" 2575 ;; 2576esac 2577 2578alphaieee_frag=/dev/null 2579case $target in 2580 alpha*-*-*) 2581 # This just makes sure to use the -mieee option to build target libs. 2582 # This should probably be set individually by each library. 2583 alphaieee_frag="config/mt-alphaieee" 2584 ;; 2585esac 2586 2587# If --enable-target-optspace always use -Os instead of -O2 to build 2588# the target libraries, similarly if it is not specified, use -Os 2589# on selected platforms. 2590ospace_frag=/dev/null 2591case "${enable_target_optspace}:${target}" in 2592 yes:*) 2593 ospace_frag="config/mt-ospace" 2594 ;; 2595 :d30v-*) 2596 ospace_frag="config/mt-d30v" 2597 ;; 2598 :m32r-* | :d10v-* | :fr30-* | :i?86*-*-elfiamcu) 2599 ospace_frag="config/mt-ospace" 2600 ;; 2601 no:* | :*) 2602 ;; 2603 *) 2604 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2 2605 ;; 2606esac 2607 2608# Some systems (e.g., one of the i386-aix systems the gas testers are 2609# using) don't handle "\$" correctly, so don't use it here. 2610tooldir='${exec_prefix}'/${target_noncanonical} 2611build_tooldir=${tooldir} 2612 2613# Create a .gdbinit file which runs the one in srcdir 2614# and tells GDB to look there for source files. 2615 2616if test -r ${srcdir}/.gdbinit ; then 2617 case ${srcdir} in 2618 .) ;; 2619 *) cat > ./.gdbinit <<EOF 2620# ${NO_EDIT} 2621dir ${srcdir} 2622dir . 2623source ${srcdir}/.gdbinit 2624EOF 2625 ;; 2626 esac 2627fi 2628 2629# Make sure that the compiler is able to generate an executable. If it 2630# can't, we are probably in trouble. We don't care whether we can run the 2631# executable--we might be using a cross compiler--we only care whether it 2632# can be created. At this point the main configure script has set CC. 2633we_are_ok=no 2634echo "int main () { return 0; }" > conftest.c 2635${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c 2636if test $? = 0 ; then 2637 if test -s conftest || test -s conftest.exe ; then 2638 we_are_ok=yes 2639 fi 2640fi 2641case $we_are_ok in 2642 no) 2643 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed." 2644 echo 1>&2 "*** You must set the environment variable CC to a working compiler." 2645 rm -f conftest* 2646 exit 1 2647 ;; 2648esac 2649rm -f conftest* 2650 2651# Decide which environment variable is used to find dynamic libraries. 2652case "${host}" in 2653 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;; 2654 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;; 2655 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;; 2656 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;; 2657esac 2658 2659# On systems where the dynamic library environment variable is PATH, 2660# gcc/ will put dynamic libraries into a subdirectory to avoid adding 2661# built executables to PATH. 2662if test "$RPATH_ENVVAR" = PATH; then 2663 GCC_SHLIB_SUBDIR=/shlib 2664else 2665 GCC_SHLIB_SUBDIR= 2666fi 2667 2668# Adjust the toplevel makefile according to whether bootstrap was selected. 2669case $enable_bootstrap in 2670 yes) 2671 bootstrap_suffix=bootstrap 2672 BUILD_CONFIG=bootstrap-debug 2673 ;; 2674 no) 2675 bootstrap_suffix=no-bootstrap 2676 BUILD_CONFIG= 2677 ;; 2678esac 2679 2680AC_MSG_CHECKING(for default BUILD_CONFIG) 2681 2682AC_ARG_WITH([build-config], 2683 [AS_HELP_STRING([--with-build-config='NAME NAME2...'], 2684 [use config/NAME.mk build configuration])], 2685 [case $with_build_config in 2686 yes) with_build_config= ;; 2687 no) with_build_config= BUILD_CONFIG= ;; 2688 esac]) 2689 2690if test "x${with_build_config}" != x; then 2691 BUILD_CONFIG=$with_build_config 2692else 2693 case $BUILD_CONFIG in 2694 bootstrap-debug) 2695 if echo "int f (void) { return 0; }" > conftest.c && 2696 ${CC} -c conftest.c && 2697 mv conftest.o conftest.o.g0 && 2698 ${CC} -c -g conftest.c && 2699 mv conftest.o conftest.o.g && 2700 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then 2701 : 2702 else 2703 BUILD_CONFIG= 2704 fi 2705 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g 2706 ;; 2707 esac 2708fi 2709AC_MSG_RESULT($BUILD_CONFIG) 2710AC_SUBST(BUILD_CONFIG) 2711 2712# Use same top-level configure hooks in libgcc/libstdc++/libvtv. 2713AC_MSG_CHECKING([for --enable-vtable-verify]) 2714AC_ARG_ENABLE(vtable-verify, 2715[AS_HELP_STRING([--enable-vtable-verify], 2716 [Enable vtable verification feature])], 2717[case "$enableval" in 2718 yes) enable_vtable_verify=yes ;; 2719 no) enable_vtable_verify=no ;; 2720 *) enable_vtable_verify=no;; 2721 esac], 2722[enable_vtable_verify=no]) 2723AC_MSG_RESULT($enable_vtable_verify) 2724 2725# Record target_configdirs and the configure arguments for target and 2726# build configuration in Makefile. 2727target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'` 2728build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'` 2729bootstrap_fixincludes=no 2730 2731# If we are building libgomp, bootstrap it. 2732if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then 2733 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp, 2734fi 2735 2736# If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan 2737# or bootstrap-ubsan, bootstrap it. 2738if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then 2739 case "$BUILD_CONFIG" in 2740 *bootstrap-asan* | *bootstrap-ubsan* ) 2741 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer, 2742 bootstrap_fixincludes=yes 2743 ;; 2744 esac 2745fi 2746 2747# If we are building libvtv and --enable-vtable-verify, bootstrap it. 2748if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 && 2749 test "$enable_vtable_verify" != no; then 2750 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv, 2751fi 2752 2753# If we are building libmpx, bootstrap it. 2754if echo " ${target_configdirs} " | grep " libmpx " > /dev/null 2>&1; then 2755 bootstrap_target_libs=${bootstrap_target_libs}target-libmpx, 2756fi 2757 2758# Determine whether gdb needs tk/tcl or not. 2759# Use 'maybe' since enable_gdbtk might be true even if tk isn't available 2760# and in that case we want gdb to be built without tk. Ugh! 2761# In fact I believe gdb is the *only* package directly dependent on tk, 2762# so we should be able to put the 'maybe's in unconditionally and 2763# leave out the maybe dependencies when enable_gdbtk is false. I'm not 2764# 100% sure that that's safe though. 2765 2766gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui" 2767case "$enable_gdbtk" in 2768 no) 2769 GDB_TK="" ;; 2770 yes) 2771 GDB_TK="${gdb_tk}" ;; 2772 *) 2773 # Only add the dependency on gdbtk when GDBtk is part of the gdb 2774 # distro. Eventually someone will fix this and move Insight, nee 2775 # gdbtk to a separate directory. 2776 if test -d ${srcdir}/gdb/gdbtk ; then 2777 GDB_TK="${gdb_tk}" 2778 else 2779 GDB_TK="" 2780 fi 2781 ;; 2782esac 2783CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g` 2784INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g` 2785 2786# Strip out unwanted targets. 2787 2788# While at that, we remove Makefiles if we were started for recursive 2789# configuration, so that the top-level Makefile reconfigures them, 2790# like we used to do when configure itself was recursive. 2791 2792# Loop over modules. We used to use the "$extrasub" feature from Autoconf 2793# but now we're fixing up the Makefile ourselves with the additional 2794# commands passed to AC_CONFIG_FILES. Use separate variables 2795# extrasub-{build,host,target} not because there is any reason to split 2796# the substitutions up that way, but only to remain below the limit of 2797# 99 commands in a script, for HP-UX sed. 2798# Do not nest @if/@endif pairs, because configure will not warn you at all. 2799 2800case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in 2801 yes:yes:*\ gold\ *:*,c++,*) ;; 2802 yes:yes:*\ gold\ *:*) 2803 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages]) 2804 ;; 2805esac 2806 2807extrasub_build= 2808for module in ${build_configdirs} ; do 2809 if test -z "${no_recursion}" \ 2810 && test -f ${build_subdir}/${module}/Makefile; then 2811 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure" 2812 rm -f ${build_subdir}/${module}/Makefile 2813 fi 2814 extrasub_build="$extrasub_build 2815/^@if build-$module\$/d 2816/^@endif build-$module\$/d 2817/^@if build-$module-$bootstrap_suffix\$/d 2818/^@endif build-$module-$bootstrap_suffix\$/d" 2819done 2820extrasub_host= 2821for module in ${configdirs} ; do 2822 if test -z "${no_recursion}"; then 2823 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do 2824 if test -f ${file}; then 2825 echo 1>&2 "*** removing ${file} to force reconfigure" 2826 rm -f ${file} 2827 fi 2828 done 2829 fi 2830 case ${module},${bootstrap_fixincludes} in 2831 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;; 2832 *) host_bootstrap_suffix=$bootstrap_suffix ;; 2833 esac 2834 extrasub_host="$extrasub_host 2835/^@if $module\$/d 2836/^@endif $module\$/d 2837/^@if $module-$host_bootstrap_suffix\$/d 2838/^@endif $module-$host_bootstrap_suffix\$/d" 2839done 2840extrasub_target= 2841for module in ${target_configdirs} ; do 2842 if test -z "${no_recursion}" \ 2843 && test -f ${target_subdir}/${module}/Makefile; then 2844 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure" 2845 rm -f ${target_subdir}/${module}/Makefile 2846 fi 2847 2848 # We only bootstrap target libraries listed in bootstrap_target_libs. 2849 case $bootstrap_target_libs in 2850 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;; 2851 *) target_bootstrap_suffix=no-bootstrap ;; 2852 esac 2853 2854 extrasub_target="$extrasub_target 2855/^@if target-$module\$/d 2856/^@endif target-$module\$/d 2857/^@if target-$module-$target_bootstrap_suffix\$/d 2858/^@endif target-$module-$target_bootstrap_suffix\$/d" 2859done 2860 2861# Do the final fixup along with target modules. 2862extrasub_target="$extrasub_target 2863/^@if /,/^@endif /d" 2864 2865# Create the serialization dependencies. This uses a temporary file. 2866 2867AC_ARG_ENABLE([serial-configure], 2868[AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]], 2869 [force sequential configuration of 2870 sub-packages for the host, target or build 2871 machine, or all sub-packages])]) 2872 2873case ${enable_serial_configure} in 2874 yes) 2875 enable_serial_build_configure=yes 2876 enable_serial_host_configure=yes 2877 enable_serial_target_configure=yes 2878 ;; 2879esac 2880 2881# These force 'configure's to be done one at a time, to avoid problems 2882# with contention over a shared config.cache. 2883rm -f serdep.tmp 2884echo '# serdep.tmp' > serdep.tmp 2885olditem= 2886test "x${enable_serial_build_configure}" = xyes && 2887for item in ${build_configdirs} ; do 2888 case ${olditem} in 2889 "") ;; 2890 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;; 2891 esac 2892 olditem=${item} 2893done 2894olditem= 2895test "x${enable_serial_host_configure}" = xyes && 2896for item in ${configdirs} ; do 2897 case ${olditem} in 2898 "") ;; 2899 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;; 2900 esac 2901 olditem=${item} 2902done 2903olditem= 2904test "x${enable_serial_target_configure}" = xyes && 2905for item in ${target_configdirs} ; do 2906 case ${olditem} in 2907 "") ;; 2908 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;; 2909 esac 2910 olditem=${item} 2911done 2912serialization_dependencies=serdep.tmp 2913AC_SUBST_FILE(serialization_dependencies) 2914 2915# Base args. Strip norecursion, cache-file, srcdir, host, build, 2916# target, nonopt, and variable assignments. These are the ones we 2917# might not want to pass down to subconfigures. The exception being 2918# --cache-file=/dev/null, which is used to turn off the use of cache 2919# files altogether, and which should be passed on to subconfigures. 2920# Also strip program-prefix, program-suffix, and program-transform-name, 2921# so that we can pass down a consistent program-transform-name. 2922baseargs= 2923tbaseargs= 2924keep_next=no 2925skip_next=no 2926eval "set -- $ac_configure_args" 2927for ac_arg 2928do 2929 if test X"$skip_next" = X"yes"; then 2930 skip_next=no 2931 continue 2932 fi 2933 if test X"$keep_next" = X"yes"; then 2934 case $ac_arg in 2935 *\'*) 2936 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; 2937 esac 2938 baseargs="$baseargs '$ac_arg'" 2939 tbaseargs="$tbaseargs '$ac_arg'" 2940 keep_next=no 2941 continue 2942 fi 2943 2944 # Handle separated arguments. Based on the logic generated by 2945 # autoconf 2.59. 2946 case $ac_arg in 2947 *=* | --config-cache | -C | -disable-* | --disable-* \ 2948 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \ 2949 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \ 2950 | -with-* | --with-* | -without-* | --without-* | --x) 2951 separate_arg=no 2952 ;; 2953 -*) 2954 separate_arg=yes 2955 ;; 2956 *) 2957 separate_arg=no 2958 ;; 2959 esac 2960 2961 skip_targ=no 2962 case $ac_arg in 2963changequote(,) 2964 --with-* | --without-*) 2965 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'` 2966 2967 case $libopt in 2968 *[-_]include) 2969 lib=`echo "$libopt" | sed 's,[-_]include$,,'` 2970 ;; 2971 *[-_]lib) 2972 lib=`echo "$libopt" | sed 's,[-_]lib$,,'` 2973 ;; 2974 *) 2975 lib=$libopt 2976 ;; 2977 esac 2978changequote([,]) 2979 2980 case $lib in 2981 mpc | mpfr | gmp | isl) 2982 # If we're processing --with-$lib, --with-$lib-include or 2983 # --with-$lib-lib, for one of the libs above, and target is 2984 # different from host, don't pass the current argument to any 2985 # target library's configure. 2986 if test x$is_cross_compiler = xyes; then 2987 skip_targ=yes 2988 fi 2989 ;; 2990 esac 2991 ;; 2992 esac 2993 2994 case "$ac_arg" in 2995 --cache-file=/dev/null | \ 2996 -cache-file=/dev/null ) 2997 # Handled here to avoid the test to skip args below. 2998 baseargs="$baseargs '$ac_arg'" 2999 tbaseargs="$tbaseargs '$ac_arg'" 3000 # Assert: $separate_arg should always be no. 3001 keep_next=$separate_arg 3002 ;; 3003 --no*) 3004 continue 3005 ;; 3006 --c* | \ 3007 --sr* | \ 3008 --ho* | \ 3009 --bu* | \ 3010 --t* | \ 3011 --program-* | \ 3012 -cache_file* | \ 3013 -srcdir* | \ 3014 -host* | \ 3015 -build* | \ 3016 -target* | \ 3017 -program-prefix* | \ 3018 -program-suffix* | \ 3019 -program-transform-name* ) 3020 skip_next=$separate_arg 3021 continue 3022 ;; 3023 -*) 3024 # An option. Add it. 3025 case $ac_arg in 3026 *\'*) 3027 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; 3028 esac 3029 baseargs="$baseargs '$ac_arg'" 3030 if test X"$skip_targ" = Xno; then 3031 tbaseargs="$tbaseargs '$ac_arg'" 3032 fi 3033 keep_next=$separate_arg 3034 ;; 3035 *) 3036 # Either a variable assignment, or a nonopt (triplet). Don't 3037 # pass it down; let the Makefile handle this. 3038 continue 3039 ;; 3040 esac 3041done 3042# Remove the initial space we just introduced and, as these will be 3043# expanded by make, quote '$'. 3044baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'` 3045 3046# Add in --program-transform-name, after --program-prefix and 3047# --program-suffix have been applied to it. Autoconf has already 3048# doubled dollar signs and backslashes in program_transform_name; we want 3049# the backslashes un-doubled, and then the entire thing wrapped in single 3050# quotes, because this will be expanded first by make and then by the shell. 3051# Also, because we want to override the logic in subdir configure scripts to 3052# choose program_transform_name, replace any s,x,x, with s,y,y,. 3053sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out 3054${program_transform_name} 3055EOF_SED 3056gcc_transform_name=`cat conftestsed.out` 3057rm -f conftestsed.out 3058baseargs="$baseargs --program-transform-name='${gcc_transform_name}'" 3059tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'" 3060if test "$silent" = yes; then 3061 baseargs="$baseargs --silent" 3062 tbaseargs="$tbaseargs --silent" 3063fi 3064baseargs="$baseargs --disable-option-checking" 3065tbaseargs="$tbaseargs --disable-option-checking" 3066 3067# Record and document user additions to sub configure arguments. 3068AC_ARG_VAR([build_configargs], 3069 [additional configure arguments for build directories]) 3070AC_ARG_VAR([host_configargs], 3071 [additional configure arguments for host directories]) 3072AC_ARG_VAR([target_configargs], 3073 [additional configure arguments for target directories]) 3074 3075# For the build-side libraries, we just need to pretend we're native, 3076# and not use the same cache file. Multilibs are neither needed nor 3077# desired. We can't even use the same cache file for all build-side 3078# libraries, as they're compiled differently; some with C, some with 3079# C++ or with different feature-enabling options. 3080build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}" 3081 3082# For host modules, accept cache file option, or specification as blank. 3083case "${cache_file}" in 3084"") # empty 3085 cache_file_option="" ;; 3086/* | [[A-Za-z]]:[[\\/]]* ) # absolute path 3087 cache_file_option="--cache-file=${cache_file}" ;; 3088*) # relative path 3089 cache_file_option="--cache-file=../${cache_file}" ;; 3090esac 3091 3092# Host dirs don't like to share a cache file either, horribly enough. 3093# This seems to be due to autoconf 2.5x stupidity. 3094host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}" 3095 3096target_configargs="$target_configargs ${tbaseargs}" 3097 3098# Passing a --with-cross-host argument lets the target libraries know 3099# whether they are being built with a cross-compiler or being built 3100# native. However, it would be better to use other mechanisms to make the 3101# sorts of decisions they want to make on this basis. Please consider 3102# this option to be deprecated. FIXME. 3103if test x${is_cross_compiler} = xyes ; then 3104 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}" 3105fi 3106 3107# Special user-friendly check for native x86_64-linux build, if 3108# multilib is not explicitly enabled. 3109case "$target:$have_compiler:$host:$target:$enable_multilib" in 3110 x86_64-*linux*:yes:$build:$build:) 3111 # Make sure we have a development environment that handles 32-bit 3112 dev64=no 3113 echo "int main () { return 0; }" > conftest.c 3114 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c 3115 if test $? = 0 ; then 3116 if test -s conftest || test -s conftest.exe ; then 3117 dev64=yes 3118 fi 3119 fi 3120 rm -f conftest* 3121 if test x${dev64} != xyes ; then 3122 AC_MSG_ERROR([I suspect your system does not have 32-bit development libraries (libc and headers). If you have them, rerun configure with --enable-multilib. If you do not have them, and want to build a 64-bit-only compiler, rerun configure with --disable-multilib.]) 3123 fi 3124 ;; 3125esac 3126 3127# Default to --enable-multilib. 3128if test x${enable_multilib} = x ; then 3129 target_configargs="--enable-multilib ${target_configargs}" 3130fi 3131 3132# Pass --with-newlib if appropriate. Note that target_configdirs has 3133# changed from the earlier setting of with_newlib. 3134if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then 3135 target_configargs="--with-newlib ${target_configargs}" 3136fi 3137 3138# Different target subdirs use different values of certain variables 3139# (notably CXX). Worse, multilibs use *lots* of different values. 3140# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that 3141# it doesn't automatically accept command-line overrides of them. 3142# This means it's not safe for target subdirs to share a cache file, 3143# which is disgusting, but there you have it. Hopefully this can be 3144# fixed in future. It's still worthwhile to use a cache file for each 3145# directory. I think. 3146 3147# Pass the appropriate --build, --host, --target and --cache-file arguments. 3148# We need to pass --target, as newer autoconf's requires consistency 3149# for target_alias and gcc doesn't manage it consistently. 3150target_configargs="--cache-file=./config.cache ${target_configargs}" 3151 3152FLAGS_FOR_TARGET= 3153case " $target_configdirs " in 3154 *" newlib "*) 3155 case " $target_configargs " in 3156 *" --with-newlib "*) 3157 case "$target" in 3158 *-cygwin*) 3159 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include' 3160 ;; 3161 esac 3162 3163 # If we're not building GCC, don't discard standard headers. 3164 if test -d ${srcdir}/gcc; then 3165 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc' 3166 3167 if test "${build}" != "${host}"; then 3168 # On Canadian crosses, CC_FOR_TARGET will have already been set 3169 # by `configure', so we won't have an opportunity to add -Bgcc/ 3170 # to it. This is right: we don't want to search that directory 3171 # for binaries, but we want the header files in there, so add 3172 # them explicitly. 3173 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed' 3174 3175 # Someone might think of using the pre-installed headers on 3176 # Canadian crosses, in case the installed compiler is not fully 3177 # compatible with the compiler being built. In this case, it 3178 # would be better to flag an error than risking having 3179 # incompatible object files being constructed. We can't 3180 # guarantee that an error will be flagged, but let's hope the 3181 # compiler will do it, when presented with incompatible header 3182 # files. 3183 fi 3184 fi 3185 3186 case "${target}-${is_cross_compiler}" in 3187 i[[3456789]]86-*-linux*-no) 3188 # Here host == target, so we don't need to build gcc, 3189 # so we don't want to discard standard headers. 3190 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'` 3191 ;; 3192 *) 3193 # If we're building newlib, use its generic headers last, but search 3194 # for any libc-related directories first (so make it the last -B 3195 # switch). 3196 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include' 3197 3198 # If we're building libgloss, find the startup file, simulator library 3199 # and linker script. 3200 case " $target_configdirs " in 3201 *" libgloss "*) 3202 # Look for startup file, simulator library and maybe linker script. 3203 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir" 3204 # Look for libnosys.a in case the target needs it. 3205 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys' 3206 # Most targets have the linker script in the source directory. 3207 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir" 3208 ;; 3209 esac 3210 ;; 3211 esac 3212 ;; 3213 esac 3214 ;; 3215esac 3216 3217case "$target" in 3218 x86_64-*mingw* | *-w64-mingw*) 3219 # MinGW-w64 does not use newlib, nor does it use winsup. It may, 3220 # however, use a symlink named 'mingw' in ${prefix} . 3221 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include' 3222 ;; 3223 *-mingw*) 3224 # MinGW can't be handled as Cygwin above since it does not use newlib. 3225 FLAGS_FOR_TARGET=$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' 3226 ;; 3227esac 3228 3229# Allow the user to override the flags for 3230# our build compiler if desired. 3231if test x"${build}" = x"${host}" ; then 3232 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}} 3233 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}} 3234 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}} 3235fi 3236 3237# On Canadian crosses, we'll be searching the right directories for 3238# the previously-installed cross compiler, so don't bother to add 3239# flags for directories within the install tree of the compiler 3240# being built; programs in there won't even run. 3241if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then 3242 # Search for pre-installed headers if nothing else fits. 3243 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include' 3244fi 3245 3246if test "x${use_gnu_ld}" = x && 3247 echo " ${configdirs} " | grep " ld " > /dev/null ; then 3248 # Arrange for us to find uninstalled linker scripts. 3249 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld' 3250fi 3251 3252# Search for other target-specific linker scripts and such. 3253case "${target}" in 3254 mep*) 3255 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary" 3256 ;; 3257esac 3258 3259# Makefile fragments. 3260for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag; 3261do 3262 eval fragval=\$$frag 3263 if test $fragval != /dev/null; then 3264 eval $frag=${srcdir}/$fragval 3265 fi 3266done 3267AC_SUBST_FILE(host_makefile_frag) 3268AC_SUBST_FILE(target_makefile_frag) 3269AC_SUBST_FILE(alphaieee_frag) 3270AC_SUBST_FILE(ospace_frag) 3271 3272# Miscellanea: directories, flags, etc. 3273AC_SUBST(RPATH_ENVVAR) 3274AC_SUBST(GCC_SHLIB_SUBDIR) 3275AC_SUBST(tooldir) 3276AC_SUBST(build_tooldir) 3277AC_SUBST(CONFIGURE_GDB_TK) 3278AC_SUBST(GDB_TK) 3279AC_SUBST(INSTALL_GDB_TK) 3280 3281# Build module lists & subconfigure args. 3282AC_SUBST(build_configargs) 3283AC_SUBST(build_configdirs) 3284 3285# Host module lists & subconfigure args. 3286AC_SUBST(host_configargs) 3287AC_SUBST(configdirs) 3288AC_SUBST(target_configdirs) 3289 3290# Target module lists & subconfigure args. 3291AC_SUBST(target_configargs) 3292 3293 3294# Build tools. 3295AC_SUBST(AR_FOR_BUILD) 3296AC_SUBST(AS_FOR_BUILD) 3297AC_SUBST(CC_FOR_BUILD) 3298AC_SUBST(CFLAGS_FOR_BUILD) 3299AC_SUBST(CXXFLAGS_FOR_BUILD) 3300AC_SUBST(CXX_FOR_BUILD) 3301AC_SUBST(DLLTOOL_FOR_BUILD) 3302AC_SUBST(GCJ_FOR_BUILD) 3303AC_SUBST(GFORTRAN_FOR_BUILD) 3304AC_SUBST(GOC_FOR_BUILD) 3305AC_SUBST(LDFLAGS_FOR_BUILD) 3306AC_SUBST(LD_FOR_BUILD) 3307AC_SUBST(NM_FOR_BUILD) 3308AC_SUBST(RANLIB_FOR_BUILD) 3309AC_SUBST(WINDMC_FOR_BUILD) 3310AC_SUBST(WINDRES_FOR_BUILD) 3311 3312# Generate default definitions for YACC, M4, LEX and other programs that run 3313# on the build machine. These are used if the Makefile can't locate these 3314# programs in objdir. 3315MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing 3316 3317AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y]) 3318case " $build_configdirs " in 3319 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;; 3320esac 3321 3322AC_CHECK_PROGS([BISON], [bison], [$MISSING bison]) 3323case " $build_configdirs " in 3324 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;; 3325esac 3326 3327AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4]) 3328case " $build_configdirs " in 3329 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;; 3330esac 3331 3332AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex]) 3333case " $build_configdirs " in 3334 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;; 3335 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;; 3336esac 3337 3338AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex]) 3339case " $build_configdirs " in 3340 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;; 3341esac 3342 3343AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo]) 3344case " $build_configdirs " in 3345 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;; 3346 *) 3347changequote(,) 3348 # For an installed makeinfo, we require it to be from texinfo 4.7 or 3349 # higher, else we use the "missing" dummy. 3350 if ${MAKEINFO} --version \ 3351 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then 3352 : 3353 else 3354 MAKEINFO="$MISSING makeinfo" 3355 fi 3356 ;; 3357changequote([,]) 3358esac 3359 3360# FIXME: expect and dejagnu may become build tools? 3361 3362AC_CHECK_PROGS(EXPECT, expect, expect) 3363case " $configdirs " in 3364 *" expect "*) 3365 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect' 3366 ;; 3367esac 3368 3369AC_CHECK_PROGS(RUNTEST, runtest, runtest) 3370case " $configdirs " in 3371 *" dejagnu "*) 3372 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest' 3373 ;; 3374esac 3375 3376 3377# Host tools. 3378NCN_STRICT_CHECK_TOOLS(AR, ar) 3379NCN_STRICT_CHECK_TOOLS(AS, as) 3380NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool) 3381NCN_STRICT_CHECK_TOOLS(LD, ld) 3382NCN_STRICT_CHECK_TOOLS(LIPO, lipo) 3383NCN_STRICT_CHECK_TOOLS(NM, nm) 3384NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true) 3385NCN_STRICT_CHECK_TOOLS(STRIP, strip, true) 3386NCN_STRICT_CHECK_TOOLS(WINDRES, windres) 3387NCN_STRICT_CHECK_TOOLS(WINDMC, windmc) 3388NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy) 3389NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump) 3390NCN_STRICT_CHECK_TOOLS(READELF, readelf) 3391AC_SUBST(CC) 3392AC_SUBST(CXX) 3393AC_SUBST(CFLAGS) 3394AC_SUBST(CXXFLAGS) 3395 3396# Target tools. 3397AC_ARG_WITH([build-time-tools], 3398 [AS_HELP_STRING([--with-build-time-tools=PATH], 3399 [use given path to find target tools during the build])], 3400 [case x"$withval" in 3401 x/*) ;; 3402 *) 3403 with_build_time_tools= 3404 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path]) 3405 ;; 3406 esac], 3407 [with_build_time_tools=]) 3408 3409NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc) 3410NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx) 3411NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET}) 3412NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj) 3413NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran) 3414NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo) 3415 3416ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar) 3417ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as) 3418ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool) 3419ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld) 3420ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo) 3421ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm) 3422ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy) 3423ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump) 3424ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib) 3425ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf) 3426ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip) 3427ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres) 3428ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc) 3429 3430RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET" 3431 3432GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar]) 3433GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new]) 3434GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) 3435dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS 3436GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX, 3437 [gcc/xg++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ `if test -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags; then $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes; else echo -funconfigured-libstdc++-v3 ; fi` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs], 3438 c++) 3439GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX, 3440 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs], 3441 c++) 3442GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool]) 3443GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) 3444GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ, 3445 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java) 3446GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN, 3447 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran) 3448GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC, 3449 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go) 3450GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new]) 3451GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO) 3452GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new]) 3453GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy]) 3454GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump]) 3455GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib]) 3456GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf]) 3457GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new]) 3458GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres]) 3459GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc]) 3460 3461AC_SUBST(FLAGS_FOR_TARGET) 3462AC_SUBST(RAW_CXX_FOR_TARGET) 3463 3464# Certain tools may need extra flags. 3465AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target} 3466RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target} 3467NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target} 3468 3469# When building target libraries, except in a Canadian cross, we use 3470# the same toolchain as the compiler we just built. 3471COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)' 3472COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)' 3473COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)' 3474if test $host = $build; then 3475 case " $configdirs " in 3476 *" gcc "*) 3477 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as' 3478 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld' 3479 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target} 3480 ;; 3481 esac 3482fi 3483 3484AC_SUBST(COMPILER_AS_FOR_TARGET) 3485AC_SUBST(COMPILER_LD_FOR_TARGET) 3486AC_SUBST(COMPILER_NM_FOR_TARGET) 3487 3488AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) 3489AC_ARG_ENABLE(maintainer-mode, 3490[AS_HELP_STRING([--enable-maintainer-mode], 3491 [enable make rules and dependencies not useful 3492 (and sometimes confusing) to the casual installer])], 3493 USE_MAINTAINER_MODE=$enableval, 3494 USE_MAINTAINER_MODE=no) 3495AC_MSG_RESULT($USE_MAINTAINER_MODE) 3496AC_SUBST(MAINTAINER_MODE_TRUE) 3497AC_SUBST(MAINTAINER_MODE_FALSE) 3498if test "$USE_MAINTAINER_MODE" = yes; then 3499 MAINTAINER_MODE_TRUE= 3500 MAINTAINER_MODE_FALSE='#' 3501else 3502 MAINTAINER_MODE_TRUE='#' 3503 MAINTAINER_MODE_FALSE= 3504fi 3505MAINT=$MAINTAINER_MODE_TRUE 3506AC_SUBST(MAINT)dnl 3507 3508# --------------------- 3509# GCC bootstrap support 3510# --------------------- 3511 3512# Stage specific cflags for build. 3513stage1_cflags="-g" 3514case $build in 3515 vax-*-*) 3516 case ${GCC} in 3517 yes) stage1_cflags="-g -Wa,-J" ;; 3518 *) stage1_cflags="-g -J" ;; 3519 esac ;; 3520esac 3521 3522AC_SUBST(stage1_cflags) 3523 3524# Enable --enable-checking in stage1 of the compiler. 3525AC_ARG_ENABLE(stage1-checking, 3526[AS_HELP_STRING([[--enable-stage1-checking[=all]]], 3527 [choose additional checking for stage1 of the compiler])], 3528[stage1_checking=--enable-checking=${enable_stage1_checking}], 3529[if test "x$enable_checking" = xno || test "x$enable_checking" = x; then 3530 # For --disable-checking or implicit --enable-checking=release, avoid 3531 # setting --enable-checking=gc in the default stage1 checking for LTO 3532 # bootstraps. See PR62077. 3533 stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types 3534 case $BUILD_CONFIG in 3535 *lto*) 3536 if test "x$enable_checking" = x && \ 3537 test -d ${srcdir}/gcc && \ 3538 test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then 3539 stage1_checking=--enable-checking=yes,types 3540 fi;; 3541 *) stage1_checking=--enable-checking=yes,types;; 3542 esac 3543else 3544 stage1_checking=--enable-checking=$enable_checking,types 3545fi]) 3546AC_SUBST(stage1_checking) 3547 3548# Enable -Werror in bootstrap stage2 and later. 3549AC_ARG_ENABLE(werror, 3550[AS_HELP_STRING([--enable-werror], 3551 [enable -Werror in bootstrap stage2 and later])], [], 3552[if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then 3553 enable_werror=yes 3554else 3555 enable_werror=no 3556fi]) 3557case ${enable_werror} in 3558 yes) stage2_werror_flag="--enable-werror-always" ;; 3559 *) stage2_werror_flag="" ;; 3560esac 3561AC_SUBST(stage2_werror_flag) 3562 3563# Enable --enable-host-shared. 3564AC_ARG_ENABLE(host-shared, 3565[AS_HELP_STRING([--enable-host-shared], 3566 [build host code as shared libraries])], 3567[host_shared=$enableval], [host_shared=no]) 3568AC_SUBST(host_shared) 3569 3570# PR jit/64780: Require the user to explicitly specify 3571# --enable-host-shared if the jit is enabled, hinting 3572# that they might want to do a separate configure/build of 3573# the jit, to avoid users from slowing down the rest of the 3574# compiler by enabling the jit. 3575if test ${host_shared} = "no" ; then 3576 case "${enable_languages}" in 3577 *jit*) 3578 AC_MSG_ERROR([ 3579Enabling language "jit" requires --enable-host-shared. 3580 3581--enable-host-shared typically slows the rest of the compiler down by 3582a few %, so you must explicitly enable it. 3583 3584If you want to build both the jit and the regular compiler, it is often 3585best to do this via two separate configure/builds, in separate 3586directories, to avoid imposing the performance cost of 3587--enable-host-shared on the regular compiler.]) 3588 ;; 3589 *) 3590 ;; 3591 esac 3592fi 3593 3594# Specify what files to not compare during bootstrap. 3595 3596compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*" 3597case "$target" in 3598 hppa*64*-*-hpux*) ;; 3599 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;; 3600 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;; 3601esac 3602AC_SUBST(compare_exclusions) 3603 3604AC_CONFIG_FILES([Makefile], 3605 [sed "$extrasub_build" Makefile | 3606 sed "$extrasub_host" | 3607 sed "$extrasub_target" > mf$$ 3608 mv -f mf$$ Makefile], 3609 [extrasub_build="$extrasub_build" 3610 extrasub_host="$extrasub_host" 3611 extrasub_target="$extrasub_target"]) 3612AC_OUTPUT 3613