configure.ac revision 1.7
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="texinfo 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* \ 339 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \ 340 | *-*-solaris2* | *-*-nto* | *-*-nacl*) 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 aarch64*-*-freebsd*) 823 noconfigdirs="$noconfigdirs ${libgcj}" 824 ;; 825 alpha*-*-*vms*) 826 noconfigdirs="$noconfigdirs ${libgcj}" 827 ;; 828 arm*-*-freebsd*) 829 noconfigdirs="$noconfigdirs ${libgcj}" 830 ;; 831 arm-wince-pe) 832 noconfigdirs="$noconfigdirs ${libgcj}" 833 ;; 834 arm*-*-symbianelf*) 835 noconfigdirs="$noconfigdirs ${libgcj}" 836 ;; 837 bfin-*-*) 838 noconfigdirs="$noconfigdirs target-boehm-gc" 839 ;; 840 cris-*-* | crisv32-*-*) 841 unsupported_languages="$unsupported_languages java" 842 case "${target}" in 843 *-*-linux*) 844 ;; 845 *) # See PR46792 regarding target-libffi. 846 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";; 847 esac 848 ;; 849 hppa*64*-*-linux*) 850 # In this case, it's because the hppa64-linux target is for 851 # the kernel only at this point and has no libc, and thus no 852 # headers, crt*.o, etc., all of which are needed by these. 853 unsupported_languages="$unsupported_languages java" 854 ;; 855 hppa*64*-*-hpux*) 856 noconfigdirs="$noconfigdirs ${libgcj}" 857 ;; 858 hppa*-hp-hpux11*) 859 ;; 860 hppa*-*-hpux*) 861 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't 862 # build on HP-UX 10.20. 863 noconfigdirs="$noconfigdirs ${libgcj}" 864 ;; 865 ia64*-*-*vms*) 866 noconfigdirs="$noconfigdirs ${libgcj}" 867 ;; 868 i[[3456789]]86-w64-mingw*) 869 noconfigdirs="$noconfigdirs ${libgcj}" 870 ;; 871 i[[3456789]]86-*-mingw*) 872 noconfigdirs="$noconfigdirs ${libgcj}" 873 ;; 874 x86_64-*-mingw*) 875 noconfigdirs="$noconfigdirs ${libgcj}" 876 ;; 877 mmix-*-*) 878 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc" 879 ;; 880 powerpc-*-aix*) 881 # copied from rs6000-*-* entry 882 noconfigdirs="$noconfigdirs ${libgcj}" 883 ;; 884 rs6000-*-aix*) 885 noconfigdirs="$noconfigdirs ${libgcj}" 886 ;; 887 ft32-*-*) 888 noconfigdirs="$noconfigdirs ${libgcj}" 889 ;; 890 *-*-lynxos*) 891 noconfigdirs="$noconfigdirs ${libgcj}" 892 ;; 893esac 894 895# Disable the go frontend on systems where it is known to not work. Please keep 896# this in sync with contrib/config-list.mk. 897case "${target}" in 898*-*-darwin* | *-*-cygwin* | *-*-mingw* | *-*-aix*) 899 unsupported_languages="$unsupported_languages go" 900 ;; 901esac 902 903# Disable libgo for some systems where it is known to not work. 904# For testing, you can easily override this with --enable-libgo. 905if test x$enable_libgo = x; then 906 case "${target}" in 907 *-*-darwin*) 908 # PR 46986 909 noconfigdirs="$noconfigdirs target-libgo" 910 ;; 911 *-*-cygwin* | *-*-mingw*) 912 noconfigdirs="$noconfigdirs target-libgo" 913 ;; 914 *-*-aix*) 915 noconfigdirs="$noconfigdirs target-libgo" 916 ;; 917 esac 918fi 919 920# Default libgloss CPU subdirectory. 921libgloss_dir="$target_cpu" 922 923case "${target}" in 924 sh*-*-pe|mips*-*-pe|*arm-wince-pe) 925 libgloss_dir=wince 926 ;; 927 aarch64*-*-* ) 928 libgloss_dir=aarch64 929 ;; 930 arm*-*-*) 931 libgloss_dir=arm 932 ;; 933 cris-*-* | crisv32-*-*) 934 libgloss_dir=cris 935 ;; 936 hppa*-*-*) 937 libgloss_dir=pa 938 ;; 939 i[[3456789]]86-*-*) 940 libgloss_dir=i386 941 ;; 942 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*) 943 libgloss_dir=m68hc11 944 ;; 945 m68*-*-* | fido-*-*) 946 libgloss_dir=m68k 947 ;; 948 mips*-*-*) 949 libgloss_dir=mips 950 ;; 951 powerpc*-*-*) 952 libgloss_dir=rs6000 953 ;; 954 sparc*-*-*) 955 libgloss_dir=sparc 956 ;; 957esac 958 959# Disable newlib and libgloss for various target OSes. 960case "${target}" in 961 alpha*-dec-osf*) 962 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 963 ;; 964 i[[3456789]]86-*-linux*) 965 # This section makes it possible to build newlib natively on linux. 966 # If we are using a cross compiler then don't configure newlib. 967 if test x${is_cross_compiler} != xno ; then 968 noconfigdirs="$noconfigdirs target-newlib" 969 fi 970 noconfigdirs="$noconfigdirs target-libgloss" 971 # If we are not using a cross compiler, do configure newlib. 972 # Note however, that newlib will only be configured in this situation 973 # if the --with-newlib option has been given, because otherwise 974 # 'target-newlib' will appear in skipdirs. 975 ;; 976 i[[3456789]]86-*-rdos*) 977 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 978 ;; 979 sh*-*-pe|mips*-*-pe|arm-wince-pe) 980 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 981 ;; 982 sparc-*-sunos4*) 983 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 984 ;; 985 *-*-aix*) 986 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 987 ;; 988 *-*-beos*) 989 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 990 ;; 991 *-*-chorusos) 992 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 993 ;; 994 *-*-dragonfly*) 995 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 996 ;; 997 *-*-freebsd*) 998 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 999 ;; 1000 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 1001 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1002 ;; 1003 *-*-lynxos*) 1004 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1005 ;; 1006 *-*-mingw*) 1007 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1008 ;; 1009 *-*-netbsd*) 1010 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1011 ;; 1012 *-*-netware*) 1013 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1014 ;; 1015 *-*-tpf*) 1016 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1017 ;; 1018 *-*-uclinux*) 1019 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1020 ;; 1021 *-*-vxworks*) 1022 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1023 ;; 1024esac 1025 1026case "${target}" in 1027 *-*-chorusos) 1028 ;; 1029 aarch64-*-darwin*) 1030 noconfigdirs="$noconfigdirs ld gas gdb gprof" 1031 noconfigdirs="$noconfigdirs sim target-rda" 1032 ;; 1033 arm-*-darwin*) 1034 noconfigdirs="$noconfigdirs ld gas gdb gprof" 1035 noconfigdirs="$noconfigdirs sim target-rda" 1036 ;; 1037 powerpc-*-darwin*) 1038 noconfigdirs="$noconfigdirs ld gas gdb gprof" 1039 noconfigdirs="$noconfigdirs sim target-rda" 1040 ;; 1041 i[[3456789]]86-*-darwin*) 1042 noconfigdirs="$noconfigdirs ld gprof" 1043 noconfigdirs="$noconfigdirs sim target-rda" 1044 ;; 1045 x86_64-*-darwin[[912]]*) 1046 noconfigdirs="$noconfigdirs ld gas gprof" 1047 noconfigdirs="$noconfigdirs sim target-rda" 1048 ;; 1049 *-*-darwin*) 1050 noconfigdirs="$noconfigdirs ld gas gdb gprof" 1051 noconfigdirs="$noconfigdirs sim target-rda" 1052 ;; 1053 *-*-dragonfly*) 1054 ;; 1055 *-*-freebsd*) 1056 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \ 1057 && test -f /usr/local/include/gmp.h; then 1058 with_gmp=/usr/local 1059 fi 1060 ;; 1061 *-*-kaos*) 1062 # Remove unsupported stuff on all kaOS configurations. 1063 noconfigdirs="$noconfigdirs target-libgloss" 1064 ;; 1065 *-*-netbsd*) 1066 ;; 1067 *-*-netware*) 1068 ;; 1069 *-*-rtems*) 1070 noconfigdirs="$noconfigdirs target-libgloss" 1071 # this is not caught below because this stanza matches earlier 1072 case $target in 1073 or1k*-*-*) noconfigdirs="$noconfigdirs gdb" ;; 1074 esac 1075 ;; 1076 # The tpf target doesn't support gdb yet. 1077 *-*-tpf*) 1078 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl" 1079 ;; 1080 *-*-uclinux*) 1081 noconfigdirs="$noconfigdirs target-rda" 1082 ;; 1083 *-*-vxworks*) 1084 ;; 1085 alpha*-dec-osf*) 1086 # ld works, but does not support shared libraries. 1087 # gas doesn't generate exception information. 1088 noconfigdirs="$noconfigdirs gas ld" 1089 ;; 1090 alpha*-*-*vms*) 1091 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss" 1092 ;; 1093 alpha*-*-*) 1094 # newlib is not 64 bit ready 1095 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1096 ;; 1097 sh*-*-pe|mips*-*-pe|*arm-wince-pe) 1098 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim" 1099 ;; 1100 arc-*-*|arceb-*-*) 1101 noconfigdirs="$noconfigdirs target-libgloss" 1102 ;; 1103 arm-*-pe*) 1104 noconfigdirs="$noconfigdirs target-libgloss" 1105 ;; 1106 arm-*-riscix*) 1107 noconfigdirs="$noconfigdirs ld target-libgloss" 1108 ;; 1109 avr-*-rtems*) 1110 ;; 1111 avr-*-*) 1112 if test x${with_avrlibc} != xno; then 1113 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1114 fi 1115 ;; 1116 c4x-*-* | tic4x-*-*) 1117 noconfigdirs="$noconfigdirs target-libgloss" 1118 ;; 1119 tic54x-*-*) 1120 noconfigdirs="$noconfigdirs target-libgloss gdb" 1121 ;; 1122 d10v-*-*) 1123 noconfigdirs="$noconfigdirs target-libgloss" 1124 ;; 1125 d30v-*-*) 1126 noconfigdirs="$noconfigdirs gdb" 1127 ;; 1128 fr30-*-elf*) 1129 noconfigdirs="$noconfigdirs gdb" 1130 ;; 1131 ft32-*-*) 1132 noconfigdirs="$noconfigdirs target-rda gprof" 1133 ;; 1134 moxie-*-*) 1135 noconfigdirs="$noconfigdirs" 1136 ;; 1137 h8300*-*-*) 1138 noconfigdirs="$noconfigdirs target-libgloss" 1139 ;; 1140 h8500-*-*) 1141 noconfigdirs="$noconfigdirs target-libgloss" 1142 ;; 1143 hppa1.1-*-osf* | hppa1.1-*-bsd* ) 1144 ;; 1145 hppa*64*-*-hpux*) 1146 noconfigdirs="$noconfigdirs gdb" 1147 ;; 1148 hppa*-*-hpux11*) 1149 noconfigdirs="$noconfigdirs gdb ld" 1150 ;; 1151 hppa*64*-*-linux*) 1152 ;; 1153 hppa*-*-linux*) 1154 ;; 1155 hppa*-*-*elf* | \ 1156 hppa*-*-lites* | \ 1157 hppa*-*-openbsd* | \ 1158 hppa*64*-*-*) 1159 ;; 1160 hppa*-*-pro*) 1161 ;; 1162 hppa*-*-*) 1163 noconfigdirs="$noconfigdirs ld" 1164 ;; 1165 i960-*-*) 1166 noconfigdirs="$noconfigdirs gdb" 1167 ;; 1168 ia64*-*-elf*) 1169 # No gdb support yet. 1170 noconfigdirs="$noconfigdirs readline libgui itcl gdb" 1171 ;; 1172 ia64*-**-hpux*) 1173 # No ld support yet. 1174 noconfigdirs="$noconfigdirs gdb libgui itcl ld" 1175 ;; 1176 ia64*-*-*vms*) 1177 # No ld support yet. 1178 noconfigdirs="$noconfigdirs libgui itcl ld" 1179 ;; 1180 i[[3456789]]86-w64-mingw*) 1181 ;; 1182 i[[3456789]]86-*-mingw*) 1183 target_configdirs="$target_configdirs target-winsup" 1184 ;; 1185 *-*-cygwin*) 1186 target_configdirs="$target_configdirs target-libtermcap target-winsup" 1187 noconfigdirs="$noconfigdirs target-libgloss" 1188 # always build newlib if winsup directory is present. 1189 if test -d "$srcdir/winsup/cygwin"; then 1190 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` 1191 elif test -d "$srcdir/newlib"; then 1192 echo "Warning: winsup/cygwin is missing so newlib can't be built." 1193 fi 1194 ;; 1195 i[[3456789]]86-*-pe) 1196 noconfigdirs="$noconfigdirs target-libgloss" 1197 ;; 1198 i[[3456789]]86-*-sco3.2v5*) 1199 # The linker does not yet know about weak symbols in COFF, 1200 # and is not configured to handle mixed ELF and COFF. 1201 noconfigdirs="$noconfigdirs ld target-libgloss" 1202 ;; 1203 i[[3456789]]86-*-sco*) 1204 noconfigdirs="$noconfigdirs gprof target-libgloss" 1205 ;; 1206 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*) 1207 noconfigdirs="$noconfigdirs target-libgloss" 1208 ;; 1209 i[[3456789]]86-*-sysv4*) 1210 noconfigdirs="$noconfigdirs target-libgloss" 1211 ;; 1212 i[[3456789]]86-*-beos*) 1213 noconfigdirs="$noconfigdirs gdb" 1214 ;; 1215 i[[3456789]]86-*-rdos*) 1216 noconfigdirs="$noconfigdirs gdb" 1217 ;; 1218 mmix-*-*) 1219 noconfigdirs="$noconfigdirs gdb" 1220 ;; 1221 mt-*-*) 1222 noconfigdirs="$noconfigdirs sim" 1223 ;; 1224 powerpc-*-aix*) 1225 # copied from rs6000-*-* entry 1226 noconfigdirs="$noconfigdirs gprof" 1227 ;; 1228 powerpc*-*-winnt* | powerpc*-*-pe*) 1229 target_configdirs="$target_configdirs target-winsup" 1230 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl" 1231 # always build newlib. 1232 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` 1233 ;; 1234 # This is temporary until we can link against shared libraries 1235 powerpcle-*-solaris*) 1236 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl" 1237 ;; 1238 powerpc-*-beos*) 1239 noconfigdirs="$noconfigdirs gdb" 1240 ;; 1241 rs6000-*-lynxos*) 1242 noconfigdirs="$noconfigdirs gprof" 1243 ;; 1244 rs6000-*-aix*) 1245 noconfigdirs="$noconfigdirs gprof" 1246 ;; 1247 rs6000-*-*) 1248 noconfigdirs="$noconfigdirs gprof" 1249 ;; 1250 m68k-apollo-*) 1251 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss" 1252 ;; 1253 microblaze*) 1254 noconfigdirs="$noconfigdirs gprof" 1255 ;; 1256 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*) 1257 if test x$with_newlib = xyes; then 1258 noconfigdirs="$noconfigdirs gprof" 1259 fi 1260 ;; 1261 mips*-*-irix5*) 1262 noconfigdirs="$noconfigdirs gprof target-libgloss" 1263 ;; 1264 mips*-*-irix6*) 1265 noconfigdirs="$noconfigdirs gprof target-libgloss" 1266 ;; 1267 mips*-*-bsd*) 1268 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss" 1269 ;; 1270 mips*-*-linux*) 1271 ;; 1272 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \ 1273 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*) 1274 noconfigdirs="$noconfigdirs ld gas gprof" 1275 ;; 1276 mips*-*-*) 1277 noconfigdirs="$noconfigdirs gprof" 1278 ;; 1279 nds32*-*-*) 1280 noconfigdirs="$noconfigdirs gdb" 1281 ;; 1282 nvptx*-*-*) 1283 noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc" 1284 ;; 1285 or1k*-*-*) 1286 noconfigdirs="$noconfigdirs gdb" 1287 ;; 1288 sh-*-* | sh64-*-*) 1289 case "${target}" in 1290 sh*-*-elf) 1291 ;; 1292 *) 1293 noconfigdirs="$noconfigdirs target-libgloss" ;; 1294 esac 1295 ;; 1296 sparc-*-sunos4*) 1297 if test x${is_cross_compiler} = xno ; then 1298 use_gnu_ld=no 1299 fi 1300 ;; 1301 tic6x-*-*) 1302 noconfigdirs="$noconfigdirs sim" 1303 ;; 1304 tilepro*-*-* | tilegx*-*-*) 1305 noconfigdirs="$noconfigdirs sim" 1306 ;; 1307 v810-*-*) 1308 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss" 1309 ;; 1310 vax-*-*) 1311 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1312 ;; 1313esac 1314 1315# If we aren't building newlib, then don't build libgloss, since libgloss 1316# depends upon some newlib header files. 1317case "${noconfigdirs}" in 1318 *target-libgloss*) ;; 1319 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;; 1320esac 1321 1322# Work in distributions that contain no compiler tools, like Autoconf. 1323host_makefile_frag=/dev/null 1324if test -d ${srcdir}/config ; then 1325case "${host}" in 1326 i[[3456789]]86-*-msdosdjgpp*) 1327 host_makefile_frag="config/mh-djgpp" 1328 ;; 1329 *-cygwin*) 1330 ACX_CHECK_CYGWIN_CAT_WORKS 1331 host_makefile_frag="config/mh-cygwin" 1332 ;; 1333 *-mingw*) 1334 host_makefile_frag="config/mh-mingw" 1335 ;; 1336 alpha*-linux*) 1337 host_makefile_frag="config/mh-alpha-linux" 1338 ;; 1339 hppa*-hp-hpux10*) 1340 host_makefile_frag="config/mh-pa-hpux10" 1341 ;; 1342 hppa*-hp-hpux*) 1343 host_makefile_frag="config/mh-pa" 1344 ;; 1345 hppa*-*) 1346 host_makefile_frag="config/mh-pa" 1347 ;; 1348 *-*-darwin*) 1349 host_makefile_frag="config/mh-darwin" 1350 ;; 1351 powerpc-*-aix*) 1352 host_makefile_frag="config/mh-ppc-aix" 1353 ;; 1354 rs6000-*-aix*) 1355 host_makefile_frag="config/mh-ppc-aix" 1356 ;; 1357esac 1358fi 1359 1360if test "${build}" != "${host}" ; then 1361 AR_FOR_BUILD=${AR_FOR_BUILD-ar} 1362 AS_FOR_BUILD=${AS_FOR_BUILD-as} 1363 CC_FOR_BUILD=${CC_FOR_BUILD-gcc} 1364 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++} 1365 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj} 1366 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran} 1367 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo} 1368 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool} 1369 LD_FOR_BUILD=${LD_FOR_BUILD-ld} 1370 NM_FOR_BUILD=${NM_FOR_BUILD-nm} 1371 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib} 1372 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres} 1373 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc} 1374else 1375 AR_FOR_BUILD="\$(AR)" 1376 AS_FOR_BUILD="\$(AS)" 1377 CC_FOR_BUILD="\$(CC)" 1378 CXX_FOR_BUILD="\$(CXX)" 1379 GCJ_FOR_BUILD="\$(GCJ)" 1380 GFORTRAN_FOR_BUILD="\$(GFORTRAN)" 1381 GOC_FOR_BUILD="\$(GOC)" 1382 DLLTOOL_FOR_BUILD="\$(DLLTOOL)" 1383 LD_FOR_BUILD="\$(LD)" 1384 NM_FOR_BUILD="\$(NM)" 1385 RANLIB_FOR_BUILD="\$(RANLIB)" 1386 WINDRES_FOR_BUILD="\$(WINDRES)" 1387 WINDMC_FOR_BUILD="\$(WINDMC)" 1388fi 1389 1390AC_PROG_CC 1391AC_PROG_CXX 1392 1393# We must set the default linker to the linker used by gcc for the correct 1394# operation of libtool. If LD is not defined and we are using gcc, try to 1395# set the LD default to the ld used by gcc. 1396if test -z "$LD"; then 1397 if test "$GCC" = yes; then 1398 case $build in 1399 *-*-mingw*) 1400 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;; 1401 *) 1402 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;; 1403 esac 1404 case $gcc_prog_ld in 1405 # Accept absolute paths. 1406 [[\\/]* | [A-Za-z]:[\\/]*)] 1407 LD="$gcc_prog_ld" ;; 1408 esac 1409 fi 1410fi 1411 1412# Check whether -static-libstdc++ -static-libgcc is supported. 1413have_static_libs=no 1414if test "$GCC" = yes; then 1415 saved_LDFLAGS="$LDFLAGS" 1416 1417 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc" 1418 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc]) 1419 AC_LANG_PUSH(C++) 1420 AC_LINK_IFELSE([ 1421#if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5) 1422#error -static-libstdc++ not implemented 1423#endif 1424int main() {}], 1425 [AC_MSG_RESULT([yes]); have_static_libs=yes], 1426 [AC_MSG_RESULT([no])]) 1427 AC_LANG_POP(C++) 1428 1429 LDFLAGS="$saved_LDFLAGS" 1430fi 1431 1432ACX_PROG_GNAT 1433ACX_PROG_CMP_IGNORE_INITIAL 1434 1435AC_ARG_ENABLE([bootstrap], 1436[AS_HELP_STRING([--enable-bootstrap], 1437 [enable bootstrapping @<:@yes if native build@:>@])],, 1438enable_bootstrap=default) 1439 1440# Issue errors and warnings for invalid/strange bootstrap combinations. 1441if test -r $srcdir/gcc/configure; then 1442 have_compiler=yes 1443else 1444 have_compiler=no 1445fi 1446 1447case "$have_compiler:$host:$target:$enable_bootstrap" in 1448 *:*:*:no) ;; 1449 1450 # Default behavior. Enable bootstrap if we have a compiler 1451 # and we are in a native configuration. 1452 yes:$build:$build:default) 1453 enable_bootstrap=yes ;; 1454 1455 *:*:*:default) 1456 enable_bootstrap=no ;; 1457 1458 # We have a compiler and we are in a native configuration, bootstrap is ok 1459 yes:$build:$build:yes) 1460 ;; 1461 1462 # Other configurations, but we have a compiler. Assume the user knows 1463 # what he's doing. 1464 yes:*:*:yes) 1465 AC_MSG_WARN([trying to bootstrap a cross compiler]) 1466 ;; 1467 1468 # No compiler: if they passed --enable-bootstrap explicitly, fail 1469 no:*:*:yes) 1470 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;; 1471 1472 # Fail if wrong command line 1473 *) 1474 AC_MSG_ERROR([invalid option for --enable-bootstrap]) 1475 ;; 1476esac 1477 1478# When bootstrapping with GCC, build stage 1 in C++98 mode to ensure that a 1479# C++98 compiler can still start the bootstrap. 1480if test "$enable_bootstrap:$GXX" = "yes:yes"; then 1481 CXX="$CXX -std=gnu++98" 1482fi 1483 1484# Used for setting $lt_cv_objdir 1485_LT_CHECK_OBJDIR 1486 1487# Check for GMP, MPFR and MPC 1488gmplibs="-lmpc -lmpfr -lgmp" 1489gmpinc= 1490have_gmp=no 1491 1492# Specify a location for mpc 1493# check for this first so it ends up on the link line before mpfr. 1494AC_ARG_WITH(mpc, 1495[AS_HELP_STRING([--with-mpc=PATH], 1496 [specify prefix directory for installed MPC package. 1497 Equivalent to --with-mpc-include=PATH/include 1498 plus --with-mpc-lib=PATH/lib])]) 1499AC_ARG_WITH(mpc-include, 1500[AS_HELP_STRING([--with-mpc-include=PATH], 1501 [specify directory for installed MPC include files])]) 1502AC_ARG_WITH(mpc-lib, 1503[AS_HELP_STRING([--with-mpc-lib=PATH], 1504 [specify directory for the installed MPC library])]) 1505 1506if test "x$with_mpc" != x; then 1507 gmplibs="-L$with_mpc/lib $gmplibs" 1508 gmpinc="-I$with_mpc/include $gmpinc" 1509fi 1510if test "x$with_mpc_include" != x; then 1511 gmpinc="-I$with_mpc_include $gmpinc" 1512fi 1513if test "x$with_mpc_lib" != x; then 1514 gmplibs="-L$with_mpc_lib $gmplibs" 1515fi 1516if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then 1517 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs" 1518 gmpinc='-I$$s/mpc/src '"$gmpinc" 1519 # Do not test the mpc version. Assume that it is sufficient, since 1520 # it is in the source tree, and the library has not been built yet 1521 # but it would be included on the link line in the version check below 1522 # hence making the test fail. 1523 have_gmp=yes 1524fi 1525 1526# Specify a location for mpfr 1527# check for this first so it ends up on the link line before gmp. 1528AC_ARG_WITH(mpfr-dir, 1529[AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])], 1530[AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed. 1531Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])]) 1532 1533AC_ARG_WITH(mpfr, 1534[AS_HELP_STRING([--with-mpfr=PATH], 1535 [specify prefix directory for installed MPFR package. 1536 Equivalent to --with-mpfr-include=PATH/include 1537 plus --with-mpfr-lib=PATH/lib])]) 1538AC_ARG_WITH(mpfr-include, 1539[AS_HELP_STRING([--with-mpfr-include=PATH], 1540 [specify directory for installed MPFR include files])]) 1541AC_ARG_WITH(mpfr-lib, 1542[AS_HELP_STRING([--with-mpfr-lib=PATH], 1543 [specify directory for the installed MPFR library])]) 1544 1545if test "x$with_mpfr" != x; then 1546 gmplibs="-L$with_mpfr/lib $gmplibs" 1547 gmpinc="-I$with_mpfr/include $gmpinc" 1548fi 1549if test "x$with_mpfr_include" != x; then 1550 gmpinc="-I$with_mpfr_include $gmpinc" 1551fi 1552if test "x$with_mpfr_lib" != x; then 1553 gmplibs="-L$with_mpfr_lib $gmplibs" 1554fi 1555if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then 1556 # MPFR v3.1.0 moved the sources into a src sub-directory. 1557 if test -d ${srcdir}/mpfr/src; then 1558 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs" 1559 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc" 1560 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir" 1561 else 1562 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs" 1563 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc" 1564 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir" 1565 fi 1566 # Do not test the mpfr version. Assume that it is sufficient, since 1567 # it is in the source tree, and the library has not been built yet 1568 # but it would be included on the link line in the version check below 1569 # hence making the test fail. 1570 have_gmp=yes 1571fi 1572 1573# Specify a location for gmp 1574AC_ARG_WITH(gmp-dir, 1575[AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])], 1576[AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed. 1577Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])]) 1578 1579AC_ARG_WITH(gmp, 1580[AS_HELP_STRING([--with-gmp=PATH], 1581 [specify prefix directory for the installed GMP package. 1582 Equivalent to --with-gmp-include=PATH/include 1583 plus --with-gmp-lib=PATH/lib])]) 1584AC_ARG_WITH(gmp-include, 1585[AS_HELP_STRING([--with-gmp-include=PATH], 1586 [specify directory for installed GMP include files])]) 1587AC_ARG_WITH(gmp-lib, 1588[AS_HELP_STRING([--with-gmp-lib=PATH], 1589 [specify directory for the installed GMP library])]) 1590 1591 1592if test "x$with_gmp" != x; then 1593 gmplibs="-L$with_gmp/lib $gmplibs" 1594 gmpinc="-I$with_gmp/include $gmpinc" 1595fi 1596if test "x$with_gmp_include" != x; then 1597 gmpinc="-I$with_gmp_include $gmpinc" 1598fi 1599if test "x$with_gmp_lib" != x; then 1600 gmplibs="-L$with_gmp_lib $gmplibs" 1601fi 1602if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then 1603 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs" 1604 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc" 1605 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir" 1606 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir" 1607 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp' 1608 # Do not test the gmp version. Assume that it is sufficient, since 1609 # it is in the source tree, and the library has not been built yet 1610 # but it would be included on the link line in the version check below 1611 # hence making the test fail. 1612 have_gmp=yes 1613fi 1614 1615if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then 1616 have_gmp=yes 1617 saved_CFLAGS="$CFLAGS" 1618 CFLAGS="$CFLAGS $gmpinc" 1619 # Check for the recommended and required versions of GMP. 1620 AC_MSG_CHECKING([for the correct version of gmp.h]) 1621 AC_TRY_COMPILE([#include "gmp.h"],[ 1622 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) 1623 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) 1624 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3) 1625 choke me 1626 #endif 1627 ], [AC_TRY_COMPILE([#include <gmp.h>],[ 1628 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) 1629 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) 1630 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2) 1631 choke me 1632 #endif 1633 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1634 [AC_MSG_RESULT([no]); have_gmp=no]) 1635 1636 # If we have GMP, check the MPFR version. 1637 if test x"$have_gmp" = xyes; then 1638 # Check for the recommended and required versions of MPFR. 1639 AC_MSG_CHECKING([for the correct version of mpfr.h]) 1640 AC_TRY_COMPILE([#include <gmp.h> 1641 #include <mpfr.h>],[ 1642 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0) 1643 choke me 1644 #endif 1645 ], [AC_TRY_COMPILE([#include <gmp.h> 1646 #include <mpfr.h>],[ 1647 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2) 1648 choke me 1649 #endif 1650 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1651 [AC_MSG_RESULT([no]); have_gmp=no]) 1652 fi 1653 1654 # Check for the MPC header version. 1655 if test x"$have_gmp" = xyes ; then 1656 # Check for the recommended and required versions of MPC. 1657 AC_MSG_CHECKING([for the correct version of mpc.h]) 1658 AC_TRY_COMPILE([#include <mpc.h>],[ 1659 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0) 1660 choke me 1661 #endif 1662 ], [AC_TRY_COMPILE([#include <mpc.h>],[ 1663 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1) 1664 choke me 1665 #endif 1666 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1667 [AC_MSG_RESULT([no]); have_gmp=no]) 1668 fi 1669 1670 # Now check the MPFR library. 1671 if test x"$have_gmp" = xyes; then 1672 saved_LIBS="$LIBS" 1673 LIBS="$LIBS $gmplibs" 1674 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries]) 1675 AC_TRY_LINK([#include <mpc.h>],[ 1676 mpfr_t n; 1677 mpfr_t x; 1678 mpc_t c; 1679 int t; 1680 mpfr_init (n); 1681 mpfr_init (x); 1682 mpfr_atan2 (n, n, x, GMP_RNDN); 1683 mpfr_erfc (n, x, GMP_RNDN); 1684 mpfr_subnormalize (x, t, GMP_RNDN); 1685 mpfr_clear(n); 1686 mpfr_clear(x); 1687 mpc_init2 (c, 53); 1688 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN); 1689 mpc_cosh (c, c, MPC_RNDNN); 1690 mpc_pow (c, c, c, MPC_RNDNN); 1691 mpc_acosh (c, c, MPC_RNDNN); 1692 mpc_clear (c); 1693 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no]) 1694 LIBS="$saved_LIBS" 1695 fi 1696 1697 CFLAGS="$saved_CFLAGS" 1698 1699# The library versions listed in the error message below should match 1700# the HARD-minimums enforced above. 1701 if test x$have_gmp != xyes; then 1702 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+. 1703Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify 1704their locations. Source code for these libraries can be found at 1705their respective hosting sites as well as at 1706ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also 1707http://gcc.gnu.org/install/prerequisites.html for additional info. If 1708you obtained GMP, MPFR and/or MPC from a vendor distribution package, 1709make sure that you have installed both the libraries and the header 1710files. They may be located in separate packages.]) 1711 fi 1712fi 1713 1714# Flags needed for both GMP, MPFR and/or MPC. 1715AC_SUBST(gmplibs) 1716AC_SUBST(gmpinc) 1717AC_SUBST(extra_mpfr_configure_flags) 1718AC_SUBST(extra_mpc_gmp_configure_flags) 1719AC_SUBST(extra_mpc_mpfr_configure_flags) 1720AC_SUBST(extra_isl_gmp_configure_flags) 1721 1722# Libraries to use for stage1 or when not bootstrapping. 1723AC_ARG_WITH(stage1-libs, 1724[AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])], 1725[if test "$withval" = "no" -o "$withval" = "yes"; then 1726 stage1_libs= 1727 else 1728 stage1_libs=$withval 1729 fi], 1730[stage1_libs=]) 1731AC_SUBST(stage1_libs) 1732 1733# Linker flags to use for stage1 or when not bootstrapping. 1734AC_ARG_WITH(stage1-ldflags, 1735[AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])], 1736[if test "$withval" = "no" -o "$withval" = "yes"; then 1737 stage1_ldflags= 1738 else 1739 stage1_ldflags=$withval 1740 fi], 1741[stage1_ldflags= 1742 # In stage 1, default to linking libstdc++ and libgcc statically with GCC 1743 # if supported. But if the user explicitly specified the libraries to use, 1744 # trust that they are doing what they want. 1745 if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then 1746 stage1_ldflags="-static-libstdc++ -static-libgcc" 1747 fi]) 1748AC_SUBST(stage1_ldflags) 1749 1750# Libraries to use for stage2 and later builds. 1751AC_ARG_WITH(boot-libs, 1752[AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])], 1753[if test "$withval" = "no" -o "$withval" = "yes"; then 1754 poststage1_libs= 1755 else 1756 poststage1_libs=$withval 1757 fi], 1758[poststage1_libs=]) 1759AC_SUBST(poststage1_libs) 1760 1761# Linker flags to use for stage2 and later builds. 1762AC_ARG_WITH(boot-ldflags, 1763[AS_HELP_STRING([--with-boot-ldflags=FLAGS], 1764 [linker flags for stage2 and later])], 1765[if test "$withval" = "no" -o "$withval" = "yes"; then 1766 poststage1_ldflags= 1767 else 1768 poststage1_ldflags=$withval 1769 fi], 1770[poststage1_ldflags= 1771 # In stages 2 and 3, default to linking libstdc++ and libgcc 1772 # statically. But if the user explicitly specified the libraries to 1773 # use, trust that they are doing what they want. 1774 if test "$poststage1_libs" = ""; then 1775 poststage1_ldflags="-static-libstdc++ -static-libgcc" 1776 fi]) 1777AC_SUBST(poststage1_ldflags) 1778 1779# GCC GRAPHITE dependency isl. 1780# Basic setup is inlined here, actual checks are in config/isl.m4 1781 1782AC_ARG_WITH(isl, 1783 [AS_HELP_STRING( 1784 [--with-isl=PATH], 1785 [Specify prefix directory for the installed isl package. 1786 Equivalent to --with-isl-include=PATH/include 1787 plus --with-isl-lib=PATH/lib])]) 1788 1789# Treat --without-isl as a request to disable 1790# GRAPHITE support and skip all following checks. 1791if test "x$with_isl" != "xno"; then 1792 # Check for isl 1793 dnl Provide configure switches and initialize islinc & isllibs 1794 dnl with user input. 1795 ISL_INIT_FLAGS 1796 dnl The versions of isl that work for Graphite 1797 ISL_CHECK_VERSION() 1798 dnl Only execute fail-action, if isl has been requested. 1799 ISL_IF_FAILED([ 1800 AC_MSG_ERROR([Unable to find a usable isl. See config.log for details.])]) 1801fi 1802 1803# If the isl check failed, disable builds of in-tree variant of isl 1804if test "x$with_isl" = xno || 1805 test "x$gcc_cv_isl" = xno; then 1806 noconfigdirs="$noconfigdirs isl" 1807 islinc= 1808fi 1809 1810AC_SUBST(isllibs) 1811AC_SUBST(islinc) 1812 1813# Check for LTO support. 1814AC_ARG_ENABLE(lto, 1815[AS_HELP_STRING([--enable-lto], [enable link time optimization support])], 1816enable_lto=$enableval, 1817enable_lto=yes; default_enable_lto=yes) 1818 1819ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always. 1820 case $target in 1821 m68010-*) 1822 build_lto_plugin=no;; 1823 *) 1824 build_lto_plugin=yes;; 1825 esac 1826],[if test x"$default_enable_lto" = x"yes" ; then 1827 case $target in 1828 *-apple-darwin9* | *-cygwin* | *-mingw* | *djgpp*) ;; 1829 # On other non-ELF platforms, LTO has yet to be validated. 1830 *) enable_lto=no ;; 1831 esac 1832 else 1833 # Apart from ELF platforms, only Windows and Darwin support LTO so far. 1834 # It would also be nice to check the binutils support, but we don't 1835 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just 1836 # warn during gcc/ subconfigure; unless you're bootstrapping with 1837 # -flto it won't be needed until after installation anyway. 1838 case $target in 1839 *-cygwin* | *-mingw* | *-apple-darwin* | *djgpp*) ;; 1840 *) if test x"$enable_lto" = x"yes"; then 1841 AC_MSG_ERROR([LTO support is not enabled for this target.]) 1842 fi 1843 ;; 1844 esac 1845 fi 1846 # Among non-ELF, only Windows platforms support the lto-plugin so far. 1847 # Build it unless LTO was explicitly disabled. 1848 case $target in 1849 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;; 1850 *) ;; 1851 esac 1852]) 1853 1854AC_ARG_ENABLE(linker-plugin-configure-flags, 1855 [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]], 1856 [additional flags for configuring linker plugins @<:@none@:>@])], 1857 extra_linker_plugin_configure_flags=$enableval, 1858 extra_linker_plugin_configure_flags=) 1859AC_SUBST(extra_linker_plugin_configure_flags) 1860AC_ARG_ENABLE(linker-plugin-flags, 1861 [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]], 1862 [additional flags for configuring and building linker plugins @<:@none@:>@])], 1863 extra_linker_plugin_flags=$enableval, 1864 extra_linker_plugin_flags=) 1865AC_SUBST(extra_linker_plugin_flags) 1866 1867 1868# By default, C and C++ are the only stage 1 languages. 1869stage1_languages=,c, 1870 1871# Target libraries that we bootstrap. 1872bootstrap_target_libs=,target-libgcc, 1873 1874# Figure out what language subdirectories are present. 1875# Look if the user specified --enable-languages="..."; if not, use 1876# the environment variable $LANGUAGES if defined. $LANGUAGES might 1877# go away some day. 1878# NB: embedded tabs in this IF block -- do not untabify 1879if test -d ${srcdir}/gcc; then 1880 if test x"${enable_languages+set}" != xset; then 1881 if test x"${LANGUAGES+set}" = xset; then 1882 enable_languages="${LANGUAGES}" 1883 echo configure.ac: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2 1884 else 1885 enable_languages=all 1886 fi 1887 else 1888 if test x"${enable_languages}" = x || 1889 test x"${enable_languages}" = xyes; 1890 then 1891 echo configure.ac: --enable-languages needs at least one language argument 1>&2 1892 exit 1 1893 fi 1894 fi 1895 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'` 1896 1897 # 'f95' is the old name for the 'fortran' language. We issue a warning 1898 # and make the substitution. 1899 case ,${enable_languages}, in 1900 *,f95,*) 1901 echo configure.ac: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2 1902 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'` 1903 ;; 1904 esac 1905 1906 # If bootstrapping, C++ must be enabled. 1907 case ",$enable_languages,:$enable_bootstrap" in 1908 *,c++,*:*) ;; 1909 *:yes) 1910 if test -f ${srcdir}/gcc/cp/config-lang.in; then 1911 enable_languages="${enable_languages},c++" 1912 else 1913 AC_MSG_ERROR([bootstrapping requires c++ sources]) 1914 fi 1915 ;; 1916 esac 1917 1918 # First scan to see if an enabled language requires some other language. 1919 # We assume that a given config-lang.in will list all the language 1920 # front ends it requires, even if some are required indirectly. 1921 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do 1922 case ${lang_frag} in 1923 ..) ;; 1924 # The odd quoting in the next line works around 1925 # an apparent bug in bash 1.12 on linux. 1926 ${srcdir}/gcc/[[*]]/config-lang.in) ;; 1927 *) 1928 # From the config-lang.in, get $language, $lang_requires, and 1929 # $lang_requires_boot_languages. 1930 language= 1931 lang_requires= 1932 lang_requires_boot_languages= 1933 . ${lang_frag} 1934 for other in ${lang_requires} ${lang_requires_boot_languages}; do 1935 case ,${enable_languages}, in 1936 *,$other,*) ;; 1937 *,all,*) ;; 1938 *,$language,*) 1939 echo " \`$other' language required by \`$language'; enabling" 1>&2 1940 enable_languages="${enable_languages},${other}" 1941 ;; 1942 esac 1943 done 1944 for other in ${lang_requires_boot_languages} ; do 1945 if test "$other" != "c"; then 1946 case ,${enable_stage1_languages}, in 1947 *,$other,*) ;; 1948 *,all,*) ;; 1949 *) 1950 case ,${enable_languages}, in 1951 *,$language,*) 1952 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2 1953 enable_stage1_languages="$enable_stage1_languages,${other}" 1954 ;; 1955 esac 1956 ;; 1957 esac 1958 fi 1959 done 1960 ;; 1961 esac 1962 done 1963 1964 new_enable_languages=,c, 1965 1966 # If LTO is enabled, add the LTO front end. 1967 if test "$enable_lto" = "yes" ; then 1968 case ,${enable_languages}, in 1969 *,lto,*) ;; 1970 *) enable_languages="${enable_languages},lto" ;; 1971 esac 1972 if test "${build_lto_plugin}" = "yes" ; then 1973 configdirs="$configdirs lto-plugin" 1974 fi 1975 fi 1976 1977 # If we're building an offloading compiler, add the LTO front end. 1978 if test x"$enable_as_accelerator_for" != x ; then 1979 case ,${enable_languages}, in 1980 *,lto,*) ;; 1981 *) enable_languages="${enable_languages},lto" ;; 1982 esac 1983 fi 1984 1985 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ ` 1986 potential_languages=,c, 1987 1988 enabled_target_libs= 1989 disabled_target_libs= 1990 1991 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do 1992 case ${lang_frag} in 1993 ..) ;; 1994 # The odd quoting in the next line works around 1995 # an apparent bug in bash 1.12 on linux. 1996 ${srcdir}/gcc/[[*]]/config-lang.in) ;; 1997 *) 1998 # From the config-lang.in, get $language, $target_libs, 1999 # $lang_dirs, $boot_language, and $build_by_default 2000 language= 2001 target_libs= 2002 lang_dirs= 2003 subdir_requires= 2004 boot_language=no 2005 build_by_default=yes 2006 . ${lang_frag} 2007 if test x${language} = x; then 2008 echo "${lang_frag} doesn't set \$language." 1>&2 2009 exit 1 2010 fi 2011 2012 if test "$language" = "c++"; then 2013 boot_language=yes 2014 fi 2015 2016 add_this_lang=no 2017 case ,${enable_languages}, in 2018 *,${language},*) 2019 # Language was explicitly selected; include it 2020 # unless it is C, which is enabled by default. 2021 if test "$language" != "c"; then 2022 add_this_lang=yes 2023 fi 2024 ;; 2025 *,all,*) 2026 # 'all' was selected, select it if it is a default language 2027 if test "$language" != "c"; then 2028 add_this_lang=${build_by_default} 2029 fi 2030 ;; 2031 esac 2032 2033 # Disable languages that need other directories if these aren't available. 2034 for i in $subdir_requires; do 2035 test -f "$srcdir/gcc/$i/config-lang.in" && continue 2036 case ,${enable_languages}, in 2037 *,${language},*) 2038 # Specifically requested language; tell them. 2039 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing]) 2040 ;; 2041 *) 2042 # Silently disable. 2043 add_this_lang=unsupported 2044 ;; 2045 esac 2046 done 2047 2048 # Disable Ada if no preexisting GNAT is available. 2049 case ,${enable_languages},:${language}:${have_gnat} in 2050 *,${language},*:ada:no) 2051 # Specifically requested language; tell them. 2052 AC_MSG_ERROR([GNAT is required to build $language]) 2053 ;; 2054 *:ada:no) 2055 # Silently disable. 2056 add_this_lang=unsupported 2057 ;; 2058 esac 2059 2060 # Disable a language that is unsupported by the target. 2061 case " $unsupported_languages " in 2062 *" $language "*) 2063 add_this_lang=unsupported 2064 ;; 2065 esac 2066 2067 case $add_this_lang in 2068 unsupported) 2069 # Remove language-dependent dirs. 2070 disabled_target_libs="$disabled_target_libs $target_libs" 2071 noconfigdirs="$noconfigdirs $lang_dirs" 2072 ;; 2073 no) 2074 # Remove language-dependent dirs; still show language as supported. 2075 disabled_target_libs="$disabled_target_libs $target_libs" 2076 noconfigdirs="$noconfigdirs $lang_dirs" 2077 potential_languages="${potential_languages}${language}," 2078 ;; 2079 yes) 2080 new_enable_languages="${new_enable_languages}${language}," 2081 potential_languages="${potential_languages}${language}," 2082 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"` 2083 enabled_target_libs="$enabled_target_libs $target_libs" 2084 case "${boot_language}:,$enable_stage1_languages," in 2085 yes:* | *:*,$language,* | *:*,yes, | *:*,all,) 2086 # Add to (comma-separated) list of stage 1 languages. 2087 case ",$stage1_languages," in 2088 *,$language,* | ,yes, | ,all,) ;; 2089 *) stage1_languages="${stage1_languages}${language}," ;; 2090 esac 2091 # We need to bootstrap any supporting libraries. 2092 bootstrap_target_libs="${bootstrap_target_libs}${target_libs}," 2093 ;; 2094 esac 2095 ;; 2096 esac 2097 ;; 2098 esac 2099 done 2100 2101 # Add target libraries which are only needed for disabled languages 2102 # to noconfigdirs. 2103 if test -n "$disabled_target_libs"; then 2104 for dir in $disabled_target_libs; do 2105 case " $enabled_target_libs " in 2106 *" ${dir} "*) ;; 2107 *) noconfigdirs="$noconfigdirs $dir" ;; 2108 esac 2109 done 2110 fi 2111 2112 AC_ARG_ENABLE(stage1-languages, 2113 [AS_HELP_STRING([[--enable-stage1-languages[=all]]], 2114 [choose additional languages to build during 2115 stage1. Mostly useful for compiler development])], 2116 [case ,${enable_stage1_languages}, in 2117 ,no,|,,) 2118 # Set it to something that will have no effect in the loop below 2119 enable_stage1_languages=c ;; 2120 ,yes,) 2121 enable_stage1_languages=`echo $new_enable_languages | \ 2122 sed -e "s/^,//" -e "s/,$//" ` ;; 2123 *,all,*) 2124 enable_stage1_languages=`echo ,$enable_stage1_languages, | \ 2125 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;; 2126 esac 2127 2128 # Add "good" languages from enable_stage1_languages to stage1_languages, 2129 # while "bad" languages go in missing_languages. Leave no duplicates. 2130 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do 2131 case $potential_languages in 2132 *,$i,*) 2133 case $stage1_languages in 2134 *,$i,*) ;; 2135 *) stage1_languages="$stage1_languages$i," ;; 2136 esac ;; 2137 *) 2138 case $missing_languages in 2139 *,$i,*) ;; 2140 *) missing_languages="$missing_languages$i," ;; 2141 esac ;; 2142 esac 2143 done]) 2144 2145 # Remove leading/trailing commas that were added for simplicity 2146 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"` 2147 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"` 2148 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"` 2149 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"` 2150 2151 if test "x$missing_languages" != x; then 2152 AC_MSG_ERROR([ 2153The following requested languages could not be built: ${missing_languages} 2154Supported languages are: ${potential_languages}]) 2155 fi 2156 if test "x$new_enable_languages" != "x$enable_languages"; then 2157 echo The following languages will be built: ${new_enable_languages} 2158 enable_languages="$new_enable_languages" 2159 fi 2160 2161 AC_SUBST(stage1_languages) 2162 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" ` 2163fi 2164 2165# Handle --disable-<component> generically. 2166for dir in $configdirs $build_configdirs $target_configdirs ; do 2167 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g` 2168 varname=`echo $dirname | sed -e s/+/_/g` 2169 if eval test x\${enable_${varname}} "=" xno ; then 2170 noconfigdirs="$noconfigdirs $dir" 2171 fi 2172done 2173 2174# Check for Boehm's garbage collector 2175AC_ARG_ENABLE(objc-gc, 2176[AS_HELP_STRING([--enable-objc-gc], 2177 [enable use of Boehm's garbage collector with the 2178 GNU Objective-C runtime])], 2179[case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in 2180 *,objc,*:*:yes:*target-boehm-gc*) 2181 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration]) 2182 ;; 2183esac]) 2184 2185# Make sure we only build Boehm's garbage collector if required. 2186case ,${enable_languages},:${enable_objc_gc} in 2187 *,objc,*:yes) 2188 # Keep target-boehm-gc if requested for Objective-C. 2189 ;; 2190 *) 2191 # Otherwise remove target-boehm-gc depending on target-libjava. 2192 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then 2193 noconfigdirs="$noconfigdirs target-boehm-gc" 2194 fi 2195 ;; 2196esac 2197 2198# Disable libcilkrts, libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++ 2199case ,${enable_languages}, in 2200 *,c++,*) 2201 # Disable libcilkrts, libitm, libsanitizer if we're not building libstdc++ 2202 case "${noconfigdirs}" in 2203 *target-libstdc++-v3*) 2204 noconfigdirs="$noconfigdirs target-libcilkrts target-libitm target-libsanitizer" 2205 ;; 2206 *) ;; 2207 esac 2208 ;; 2209 *) 2210 noconfigdirs="$noconfigdirs target-libcilkrts target-liboffloadmic target-libitm target-libsanitizer target-libvtv" 2211 ;; 2212esac 2213 2214# Remove the entries in $skipdirs and $noconfigdirs from $configdirs, 2215# $build_configdirs and $target_configdirs. 2216# If we have the source for $noconfigdirs entries, add them to $notsupp. 2217 2218notsupp="" 2219for dir in . $skipdirs $noconfigdirs ; do 2220 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g` 2221 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2222 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"` 2223 if test -r $srcdir/$dirname/configure ; then 2224 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2225 true 2226 else 2227 notsupp="$notsupp $dir" 2228 fi 2229 fi 2230 fi 2231 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2232 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"` 2233 if test -r $srcdir/$dirname/configure ; then 2234 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2235 true 2236 else 2237 notsupp="$notsupp $dir" 2238 fi 2239 fi 2240 fi 2241 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2242 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"` 2243 if test -r $srcdir/$dirname/configure ; then 2244 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2245 true 2246 else 2247 notsupp="$notsupp $dir" 2248 fi 2249 fi 2250 fi 2251done 2252 2253# Quietly strip out all directories which aren't configurable in this tree. 2254# This relies on all configurable subdirectories being autoconfiscated, which 2255# is now the case. 2256build_configdirs_all="$build_configdirs" 2257build_configdirs= 2258for i in ${build_configdirs_all} ; do 2259 j=`echo $i | sed -e s/build-//g` 2260 if test -f ${srcdir}/$j/configure ; then 2261 build_configdirs="${build_configdirs} $i" 2262 fi 2263done 2264 2265configdirs_all="$configdirs" 2266configdirs= 2267for i in ${configdirs_all} ; do 2268 if test -f ${srcdir}/$i/configure ; then 2269 configdirs="${configdirs} $i" 2270 fi 2271done 2272 2273target_configdirs_all="$target_configdirs" 2274target_configdirs= 2275for i in ${target_configdirs_all} ; do 2276 j=`echo $i | sed -e s/target-//g` 2277 if test -f ${srcdir}/$j/configure ; then 2278 target_configdirs="${target_configdirs} $i" 2279 fi 2280done 2281 2282# Exclude target-zlib if target-libjava isn't built. 2283case ${target_configdirs} in 2284*target-libjava*) 2285 ;; 2286*) 2287 target_configdirs="`echo ${target_configdirs} | sed -e 's/target-zlib//'`" 2288 ;; 2289esac 2290 2291# libiberty-linker-plugin is special: it doesn't have its own source directory, 2292# so we have to add it after the preceding checks. 2293if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x 2294then 2295 case " $configdirs " in 2296 *" libiberty "*) 2297 # If we can build libiberty, we can also build libiberty-linker-plugin. 2298 configdirs="$configdirs libiberty-linker-plugin" 2299 extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \ 2300 --with-libiberty=../libiberty-linker-plugin";; 2301 *) 2302 AC_MSG_ERROR([libiberty missing]);; 2303 esac 2304fi 2305 2306# Sometimes we have special requirements for the host libiberty. 2307extra_host_libiberty_configure_flags= 2308extra_host_zlib_configure_flags= 2309case " $configdirs " in 2310 *" lto-plugin "* | *" libcc1 "*) 2311 # When these are to be built as shared libraries, the same applies to 2312 # libiberty. 2313 extra_host_libiberty_configure_flags=--enable-shared 2314 ;; 2315 *" bfd "*) 2316 # When bfd is to be built as a shared library, the same applies to 2317 # zlib. 2318 if test "$enable_shared" = "yes"; then 2319 extra_host_zlib_configure_flags=--enable-host-shared 2320 fi 2321 ;; 2322esac 2323AC_SUBST(extra_host_libiberty_configure_flags) 2324AC_SUBST(extra_host_zlib_configure_flags) 2325 2326# Produce a warning message for the subdirs we can't configure. 2327# This isn't especially interesting in the Cygnus tree, but in the individual 2328# FSF releases, it's important to let people know when their machine isn't 2329# supported by the one or two programs in a package. 2330 2331if test -n "${notsupp}" && test -z "${norecursion}" ; then 2332 # If $appdirs is non-empty, at least one of those directories must still 2333 # be configured, or we error out. (E.g., if the gas release supports a 2334 # specified target in some subdirs but not the gas subdir, we shouldn't 2335 # pretend that all is well.) 2336 if test -n "$appdirs" ; then 2337 for dir in $appdirs ; do 2338 if test -r $dir/Makefile.in ; then 2339 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2340 appdirs="" 2341 break 2342 fi 2343 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then 2344 appdirs="" 2345 break 2346 fi 2347 fi 2348 done 2349 if test -n "$appdirs" ; then 2350 echo "*** This configuration is not supported by this package." 1>&2 2351 exit 1 2352 fi 2353 fi 2354 # Okay, some application will build, or we don't care to check. Still 2355 # notify of subdirs not getting built. 2356 echo "*** This configuration is not supported in the following subdirectories:" 1>&2 2357 echo " ${notsupp}" 1>&2 2358 echo " (Any other directories should still work fine.)" 1>&2 2359fi 2360 2361case "$host" in 2362 *msdosdjgpp*) 2363 enable_gdbtk=no ;; 2364esac 2365 2366# To find our prefix, in gcc_cv_tool_prefix. 2367ACX_TOOL_DIRS 2368 2369copy_dirs= 2370 2371AC_ARG_WITH([build-sysroot], 2372 [AS_HELP_STRING([--with-build-sysroot=SYSROOT], 2373 [use sysroot as the system root during the build])], 2374 [if test x"$withval" != x ; then 2375 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval" 2376 fi], 2377 [SYSROOT_CFLAGS_FOR_TARGET=]) 2378AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET) 2379 2380AC_ARG_WITH([debug-prefix-map], 2381 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'], 2382 [map A to B, C to D ... in debug information])], 2383 [if test x"$withval" != x; then 2384 DEBUG_PREFIX_CFLAGS_FOR_TARGET= 2385 for debug_map in $withval; do 2386 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map" 2387 done 2388 fi], 2389 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=]) 2390AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET) 2391 2392# During gcc bootstrap, if we use some random cc for stage1 then CFLAGS 2393# might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS 2394# might also be empty (or "-g", if a non-GCC C++ compiler is in the path). 2395# We want to ensure that TARGET libraries (which we know are built with 2396# gcc) are built with "-O2 -g", so include those options when setting 2397# CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET. 2398if test "x$CFLAGS_FOR_TARGET" = x; then 2399 if test "x${is_cross_compiler}" = xyes; then 2400 CFLAGS_FOR_TARGET="-g -O2" 2401 else 2402 CFLAGS_FOR_TARGET=$CFLAGS 2403 case " $CFLAGS " in 2404 *" -O2 "*) ;; 2405 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;; 2406 esac 2407 case " $CFLAGS " in 2408 *" -g "* | *" -g3 "*) ;; 2409 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;; 2410 esac 2411 fi 2412fi 2413AC_SUBST(CFLAGS_FOR_TARGET) 2414 2415if test "x$CXXFLAGS_FOR_TARGET" = x; then 2416 if test "x${is_cross_compiler}" = xyes; then 2417 CXXFLAGS_FOR_TARGET="-g -O2" 2418 else 2419 CXXFLAGS_FOR_TARGET=$CXXFLAGS 2420 case " $CXXFLAGS " in 2421 *" -O2 "*) ;; 2422 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;; 2423 esac 2424 case " $CXXFLAGS " in 2425 *" -g "* | *" -g3 "*) ;; 2426 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;; 2427 esac 2428 fi 2429fi 2430AC_SUBST(CXXFLAGS_FOR_TARGET) 2431 2432AC_SUBST(LDFLAGS_FOR_TARGET) 2433 2434# Handle --with-headers=XXX. If the value is not "yes", the contents of 2435# the named directory are copied to $(tooldir)/sys-include. 2436if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then 2437 if test x${is_cross_compiler} = xno ; then 2438 echo 1>&2 '***' --with-headers is only supported when cross compiling 2439 exit 1 2440 fi 2441 if test x"${with_headers}" != xyes ; then 2442 x=${gcc_cv_tool_prefix} 2443 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include" 2444 fi 2445fi 2446 2447# Handle --with-libs=XXX. If the value is not "yes", the contents of 2448# the name directories are copied to $(tooldir)/lib. Multiple directories 2449# are permitted. 2450if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then 2451 if test x${is_cross_compiler} = xno ; then 2452 echo 1>&2 '***' --with-libs is only supported when cross compiling 2453 exit 1 2454 fi 2455 if test x"${with_libs}" != xyes ; then 2456 # Copy the libraries in reverse order, so that files in the first named 2457 # library override files in subsequent libraries. 2458 x=${gcc_cv_tool_prefix} 2459 for l in ${with_libs}; do 2460 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}" 2461 done 2462 fi 2463fi 2464 2465# Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate. 2466# 2467# This is done by determining whether or not the appropriate directory 2468# is available, and by checking whether or not specific configurations 2469# have requested that this magic not happen. 2470# 2471# The command line options always override the explicit settings in 2472# configure.ac, and the settings in configure.ac override this magic. 2473# 2474# If the default for a toolchain is to use GNU as and ld, and you don't 2475# want to do that, then you should use the --without-gnu-as and 2476# --without-gnu-ld options for the configure script. Similarly, if 2477# the default is to use the included zlib and you don't want to do that, 2478# you should use the --with-system-zlib option for the configure script. 2479 2480if test x${use_gnu_as} = x && 2481 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then 2482 with_gnu_as=yes 2483 extra_host_args="$extra_host_args --with-gnu-as" 2484fi 2485 2486if test x${use_gnu_ld} = x && 2487 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then 2488 with_gnu_ld=yes 2489 extra_host_args="$extra_host_args --with-gnu-ld" 2490fi 2491 2492if test x${use_included_zlib} = x && 2493 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then 2494 : 2495else 2496 with_system_zlib=yes 2497 extra_host_args="$extra_host_args --with-system-zlib" 2498fi 2499 2500# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure 2501# can detect this case. 2502 2503if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then 2504 with_newlib=yes 2505 extra_host_args="$extra_host_args --with-newlib" 2506fi 2507 2508# Handle ${copy_dirs} 2509set fnord ${copy_dirs} 2510shift 2511while test $# != 0 ; do 2512 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then 2513 : 2514 else 2515 echo Copying $1 to $2 2516 2517 # Use the install script to create the directory and all required 2518 # parent directories. 2519 if test -d $2 ; then 2520 : 2521 else 2522 echo >config.temp 2523 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED 2524 fi 2525 2526 # Copy the directory, assuming we have tar. 2527 # FIXME: Should we use B in the second tar? Not all systems support it. 2528 (cd $1; tar -cf - .) | (cd $2; tar -xpf -) 2529 2530 # It is the responsibility of the user to correctly adjust all 2531 # symlinks. If somebody can figure out how to handle them correctly 2532 # here, feel free to add the code. 2533 2534 echo $1 > $2/COPIED 2535 fi 2536 shift; shift 2537done 2538 2539# Determine a target-dependent exec_prefix that the installed 2540# gcc will search in. Keep this list sorted by triplet, with 2541# the *-*-osname triplets last. 2542md_exec_prefix= 2543case "${target}" in 2544 i[[34567]]86-pc-msdosdjgpp*) 2545 md_exec_prefix=/dev/env/DJDIR/bin 2546 ;; 2547 *-*-hpux* | \ 2548 *-*-nto-qnx* | \ 2549 *-*-solaris2*) 2550 md_exec_prefix=/usr/ccs/bin 2551 ;; 2552esac 2553 2554extra_arflags_for_target= 2555extra_nmflags_for_target= 2556extra_ranlibflags_for_target= 2557target_makefile_frag=/dev/null 2558case "${target}" in 2559 spu-*-*) 2560 target_makefile_frag="config/mt-spu" 2561 ;; 2562 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*) 2563 target_makefile_frag="config/mt-sde" 2564 ;; 2565 mipsisa*-*-elfoabi*) 2566 target_makefile_frag="config/mt-mips-elfoabi" 2567 ;; 2568 mips*-*-*linux* | mips*-*-gnu*) 2569 target_makefile_frag="config/mt-mips-gnu" 2570 ;; 2571 nios2-*-elf*) 2572 target_makefile_frag="config/mt-nios2-elf" 2573 ;; 2574 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 2575 target_makefile_frag="config/mt-gnu" 2576 ;; 2577 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*) 2578 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm 2579 # commands to handle both 32-bit and 64-bit objects. These flags are 2580 # harmless if we're using GNU nm or ar. 2581 extra_arflags_for_target=" -X32_64" 2582 extra_nmflags_for_target=" -B -X32_64" 2583 ;; 2584esac 2585 2586alphaieee_frag=/dev/null 2587case $target in 2588 alpha*-*-*) 2589 # This just makes sure to use the -mieee option to build target libs. 2590 # This should probably be set individually by each library. 2591 alphaieee_frag="config/mt-alphaieee" 2592 ;; 2593esac 2594 2595# If --enable-target-optspace always use -Os instead of -O2 to build 2596# the target libraries, similarly if it is not specified, use -Os 2597# on selected platforms. 2598ospace_frag=/dev/null 2599case "${enable_target_optspace}:${target}" in 2600 yes:*) 2601 ospace_frag="config/mt-ospace" 2602 ;; 2603 :d30v-*) 2604 ospace_frag="config/mt-d30v" 2605 ;; 2606 :m32r-* | :d10v-* | :fr30-* | :i?86*-*-elfiamcu) 2607 ospace_frag="config/mt-ospace" 2608 ;; 2609 no:* | :*) 2610 ;; 2611 *) 2612 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2 2613 ;; 2614esac 2615 2616# Some systems (e.g., one of the i386-aix systems the gas testers are 2617# using) don't handle "\$" correctly, so don't use it here. 2618tooldir='${exec_prefix}'/${target_noncanonical} 2619build_tooldir=${tooldir} 2620 2621# Create a .gdbinit file which runs the one in srcdir 2622# and tells GDB to look there for source files. 2623 2624if test -r ${srcdir}/.gdbinit ; then 2625 case ${srcdir} in 2626 .) ;; 2627 *) cat > ./.gdbinit <<EOF 2628# ${NO_EDIT} 2629dir ${srcdir} 2630dir . 2631source ${srcdir}/.gdbinit 2632EOF 2633 ;; 2634 esac 2635fi 2636 2637# Make sure that the compiler is able to generate an executable. If it 2638# can't, we are probably in trouble. We don't care whether we can run the 2639# executable--we might be using a cross compiler--we only care whether it 2640# can be created. At this point the main configure script has set CC. 2641we_are_ok=no 2642echo "int main () { return 0; }" > conftest.c 2643${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c 2644if test $? = 0 ; then 2645 if test -s conftest || test -s conftest.exe ; then 2646 we_are_ok=yes 2647 fi 2648fi 2649case $we_are_ok in 2650 no) 2651 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed." 2652 echo 1>&2 "*** You must set the environment variable CC to a working compiler." 2653 rm -f conftest* 2654 exit 1 2655 ;; 2656esac 2657rm -f conftest* 2658 2659# Decide which environment variable is used to find dynamic libraries. 2660case "${host}" in 2661 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;; 2662 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;; 2663 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;; 2664 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;; 2665esac 2666 2667# On systems where the dynamic library environment variable is PATH, 2668# gcc/ will put dynamic libraries into a subdirectory to avoid adding 2669# built executables to PATH. 2670if test "$RPATH_ENVVAR" = PATH; then 2671 GCC_SHLIB_SUBDIR=/shlib 2672else 2673 GCC_SHLIB_SUBDIR= 2674fi 2675 2676# Adjust the toplevel makefile according to whether bootstrap was selected. 2677case $enable_bootstrap in 2678 yes) 2679 bootstrap_suffix=bootstrap 2680 BUILD_CONFIG=bootstrap-debug 2681 ;; 2682 no) 2683 bootstrap_suffix=no-bootstrap 2684 BUILD_CONFIG= 2685 ;; 2686esac 2687 2688AC_MSG_CHECKING(for default BUILD_CONFIG) 2689 2690AC_ARG_WITH([build-config], 2691 [AS_HELP_STRING([--with-build-config='NAME NAME2...'], 2692 [use config/NAME.mk build configuration])], 2693 [case $with_build_config in 2694 yes) with_build_config= ;; 2695 no) with_build_config= BUILD_CONFIG= ;; 2696 esac]) 2697 2698if test "x${with_build_config}" != x; then 2699 BUILD_CONFIG=$with_build_config 2700else 2701 case $BUILD_CONFIG in 2702 bootstrap-debug) 2703 if echo "int f (void) { return 0; }" > conftest.c && 2704 ${CC} -c conftest.c && 2705 mv conftest.o conftest.o.g0 && 2706 ${CC} -c -g conftest.c && 2707 mv conftest.o conftest.o.g && 2708 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then 2709 : 2710 else 2711 BUILD_CONFIG= 2712 fi 2713 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g 2714 ;; 2715 esac 2716fi 2717AC_MSG_RESULT($BUILD_CONFIG) 2718AC_SUBST(BUILD_CONFIG) 2719 2720# Use same top-level configure hooks in libgcc/libstdc++/libvtv. 2721AC_MSG_CHECKING([for --enable-vtable-verify]) 2722AC_ARG_ENABLE(vtable-verify, 2723[AS_HELP_STRING([--enable-vtable-verify], 2724 [Enable vtable verification feature])], 2725[case "$enableval" in 2726 yes) enable_vtable_verify=yes ;; 2727 no) enable_vtable_verify=no ;; 2728 *) enable_vtable_verify=no;; 2729 esac], 2730[enable_vtable_verify=no]) 2731AC_MSG_RESULT($enable_vtable_verify) 2732 2733# Record target_configdirs and the configure arguments for target and 2734# build configuration in Makefile. 2735target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'` 2736build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'` 2737bootstrap_fixincludes=no 2738 2739# If we are building libgomp, bootstrap it. 2740if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then 2741 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp, 2742fi 2743 2744# If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan 2745# or bootstrap-ubsan, bootstrap it. 2746if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then 2747 case "$BUILD_CONFIG" in 2748 *bootstrap-asan* | *bootstrap-ubsan* ) 2749 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer, 2750 bootstrap_fixincludes=yes 2751 ;; 2752 esac 2753fi 2754 2755# If we are building libvtv and --enable-vtable-verify, bootstrap it. 2756if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 && 2757 test "$enable_vtable_verify" != no; then 2758 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv, 2759fi 2760 2761# If we are building libmpx, bootstrap it. 2762if echo " ${target_configdirs} " | grep " libmpx " > /dev/null 2>&1; then 2763 bootstrap_target_libs=${bootstrap_target_libs}target-libmpx, 2764fi 2765 2766# Determine whether gdb needs tk/tcl or not. 2767# Use 'maybe' since enable_gdbtk might be true even if tk isn't available 2768# and in that case we want gdb to be built without tk. Ugh! 2769# In fact I believe gdb is the *only* package directly dependent on tk, 2770# so we should be able to put the 'maybe's in unconditionally and 2771# leave out the maybe dependencies when enable_gdbtk is false. I'm not 2772# 100% sure that that's safe though. 2773 2774gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui" 2775case "$enable_gdbtk" in 2776 no) 2777 GDB_TK="" ;; 2778 yes) 2779 GDB_TK="${gdb_tk}" ;; 2780 *) 2781 # Only add the dependency on gdbtk when GDBtk is part of the gdb 2782 # distro. Eventually someone will fix this and move Insight, nee 2783 # gdbtk to a separate directory. 2784 if test -d ${srcdir}/gdb/gdbtk ; then 2785 GDB_TK="${gdb_tk}" 2786 else 2787 GDB_TK="" 2788 fi 2789 ;; 2790esac 2791CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g` 2792INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g` 2793 2794# Strip out unwanted targets. 2795 2796# While at that, we remove Makefiles if we were started for recursive 2797# configuration, so that the top-level Makefile reconfigures them, 2798# like we used to do when configure itself was recursive. 2799 2800# Loop over modules. We used to use the "$extrasub" feature from Autoconf 2801# but now we're fixing up the Makefile ourselves with the additional 2802# commands passed to AC_CONFIG_FILES. Use separate variables 2803# extrasub-{build,host,target} not because there is any reason to split 2804# the substitutions up that way, but only to remain below the limit of 2805# 99 commands in a script, for HP-UX sed. 2806# Do not nest @if/@endif pairs, because configure will not warn you at all. 2807 2808case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in 2809 yes:yes:*\ gold\ *:*,c++,*) ;; 2810 yes:yes:*\ gold\ *:*) 2811 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages]) 2812 ;; 2813esac 2814 2815extrasub_build= 2816for module in ${build_configdirs} ; do 2817 if test -z "${no_recursion}" \ 2818 && test -f ${build_subdir}/${module}/Makefile; then 2819 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure" 2820 rm -f ${build_subdir}/${module}/Makefile 2821 fi 2822 extrasub_build="$extrasub_build 2823/^@if build-$module\$/d 2824/^@endif build-$module\$/d 2825/^@if build-$module-$bootstrap_suffix\$/d 2826/^@endif build-$module-$bootstrap_suffix\$/d" 2827done 2828extrasub_host= 2829for module in ${configdirs} ; do 2830 if test -z "${no_recursion}"; then 2831 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do 2832 if test -f ${file}; then 2833 echo 1>&2 "*** removing ${file} to force reconfigure" 2834 rm -f ${file} 2835 fi 2836 done 2837 fi 2838 case ${module},${bootstrap_fixincludes} in 2839 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;; 2840 *) host_bootstrap_suffix=$bootstrap_suffix ;; 2841 esac 2842 extrasub_host="$extrasub_host 2843/^@if $module\$/d 2844/^@endif $module\$/d 2845/^@if $module-$host_bootstrap_suffix\$/d 2846/^@endif $module-$host_bootstrap_suffix\$/d" 2847done 2848extrasub_target= 2849for module in ${target_configdirs} ; do 2850 if test -z "${no_recursion}" \ 2851 && test -f ${target_subdir}/${module}/Makefile; then 2852 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure" 2853 rm -f ${target_subdir}/${module}/Makefile 2854 fi 2855 2856 # We only bootstrap target libraries listed in bootstrap_target_libs. 2857 case $bootstrap_target_libs in 2858 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;; 2859 *) target_bootstrap_suffix=no-bootstrap ;; 2860 esac 2861 2862 extrasub_target="$extrasub_target 2863/^@if target-$module\$/d 2864/^@endif target-$module\$/d 2865/^@if target-$module-$target_bootstrap_suffix\$/d 2866/^@endif target-$module-$target_bootstrap_suffix\$/d" 2867done 2868 2869# Do the final fixup along with target modules. 2870extrasub_target="$extrasub_target 2871/^@if /,/^@endif /d" 2872 2873# Create the serialization dependencies. This uses a temporary file. 2874 2875AC_ARG_ENABLE([serial-configure], 2876[AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]], 2877 [force sequential configuration of 2878 sub-packages for the host, target or build 2879 machine, or all sub-packages])]) 2880 2881case ${enable_serial_configure} in 2882 yes) 2883 enable_serial_build_configure=yes 2884 enable_serial_host_configure=yes 2885 enable_serial_target_configure=yes 2886 ;; 2887esac 2888 2889# These force 'configure's to be done one at a time, to avoid problems 2890# with contention over a shared config.cache. 2891rm -f serdep.tmp 2892echo '# serdep.tmp' > serdep.tmp 2893olditem= 2894test "x${enable_serial_build_configure}" = xyes && 2895for item in ${build_configdirs} ; do 2896 case ${olditem} in 2897 "") ;; 2898 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;; 2899 esac 2900 olditem=${item} 2901done 2902olditem= 2903test "x${enable_serial_host_configure}" = xyes && 2904for item in ${configdirs} ; do 2905 case ${olditem} in 2906 "") ;; 2907 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;; 2908 esac 2909 olditem=${item} 2910done 2911olditem= 2912test "x${enable_serial_target_configure}" = xyes && 2913for item in ${target_configdirs} ; do 2914 case ${olditem} in 2915 "") ;; 2916 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;; 2917 esac 2918 olditem=${item} 2919done 2920serialization_dependencies=serdep.tmp 2921AC_SUBST_FILE(serialization_dependencies) 2922 2923# Base args. Strip norecursion, cache-file, srcdir, host, build, 2924# target, nonopt, and variable assignments. These are the ones we 2925# might not want to pass down to subconfigures. The exception being 2926# --cache-file=/dev/null, which is used to turn off the use of cache 2927# files altogether, and which should be passed on to subconfigures. 2928# Also strip program-prefix, program-suffix, and program-transform-name, 2929# so that we can pass down a consistent program-transform-name. 2930baseargs= 2931tbaseargs= 2932keep_next=no 2933skip_next=no 2934eval "set -- $ac_configure_args" 2935for ac_arg 2936do 2937 if test X"$skip_next" = X"yes"; then 2938 skip_next=no 2939 continue 2940 fi 2941 if test X"$keep_next" = X"yes"; then 2942 case $ac_arg in 2943 *\'*) 2944 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; 2945 esac 2946 baseargs="$baseargs '$ac_arg'" 2947 tbaseargs="$tbaseargs '$ac_arg'" 2948 keep_next=no 2949 continue 2950 fi 2951 2952 # Handle separated arguments. Based on the logic generated by 2953 # autoconf 2.59. 2954 case $ac_arg in 2955 *=* | --config-cache | -C | -disable-* | --disable-* \ 2956 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \ 2957 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \ 2958 | -with-* | --with-* | -without-* | --without-* | --x) 2959 separate_arg=no 2960 ;; 2961 -*) 2962 separate_arg=yes 2963 ;; 2964 *) 2965 separate_arg=no 2966 ;; 2967 esac 2968 2969 skip_targ=no 2970 case $ac_arg in 2971changequote(,) 2972 --with-* | --without-*) 2973 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'` 2974 2975 case $libopt in 2976 *[-_]include) 2977 lib=`echo "$libopt" | sed 's,[-_]include$,,'` 2978 ;; 2979 *[-_]lib) 2980 lib=`echo "$libopt" | sed 's,[-_]lib$,,'` 2981 ;; 2982 *) 2983 lib=$libopt 2984 ;; 2985 esac 2986changequote([,]) 2987 2988 case $lib in 2989 mpc | mpfr | gmp | isl) 2990 # If we're processing --with-$lib, --with-$lib-include or 2991 # --with-$lib-lib, for one of the libs above, and target is 2992 # different from host, don't pass the current argument to any 2993 # target library's configure. 2994 if test x$is_cross_compiler = xyes; then 2995 skip_targ=yes 2996 fi 2997 ;; 2998 esac 2999 ;; 3000 esac 3001 3002 case "$ac_arg" in 3003 --cache-file=/dev/null | \ 3004 -cache-file=/dev/null ) 3005 # Handled here to avoid the test to skip args below. 3006 baseargs="$baseargs '$ac_arg'" 3007 tbaseargs="$tbaseargs '$ac_arg'" 3008 # Assert: $separate_arg should always be no. 3009 keep_next=$separate_arg 3010 ;; 3011 --no*) 3012 continue 3013 ;; 3014 --c* | \ 3015 --sr* | \ 3016 --ho* | \ 3017 --bu* | \ 3018 --t* | \ 3019 --program-* | \ 3020 -cache_file* | \ 3021 -srcdir* | \ 3022 -host* | \ 3023 -build* | \ 3024 -target* | \ 3025 -program-prefix* | \ 3026 -program-suffix* | \ 3027 -program-transform-name* ) 3028 skip_next=$separate_arg 3029 continue 3030 ;; 3031 -*) 3032 # An option. Add it. 3033 case $ac_arg in 3034 *\'*) 3035 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; 3036 esac 3037 baseargs="$baseargs '$ac_arg'" 3038 if test X"$skip_targ" = Xno; then 3039 tbaseargs="$tbaseargs '$ac_arg'" 3040 fi 3041 keep_next=$separate_arg 3042 ;; 3043 *) 3044 # Either a variable assignment, or a nonopt (triplet). Don't 3045 # pass it down; let the Makefile handle this. 3046 continue 3047 ;; 3048 esac 3049done 3050# Remove the initial space we just introduced and, as these will be 3051# expanded by make, quote '$'. 3052baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'` 3053 3054# Add in --program-transform-name, after --program-prefix and 3055# --program-suffix have been applied to it. Autoconf has already 3056# doubled dollar signs and backslashes in program_transform_name; we want 3057# the backslashes un-doubled, and then the entire thing wrapped in single 3058# quotes, because this will be expanded first by make and then by the shell. 3059# Also, because we want to override the logic in subdir configure scripts to 3060# choose program_transform_name, replace any s,x,x, with s,y,y,. 3061sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out 3062${program_transform_name} 3063EOF_SED 3064gcc_transform_name=`cat conftestsed.out` 3065rm -f conftestsed.out 3066baseargs="$baseargs --program-transform-name='${gcc_transform_name}'" 3067tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'" 3068if test "$silent" = yes; then 3069 baseargs="$baseargs --silent" 3070 tbaseargs="$tbaseargs --silent" 3071fi 3072baseargs="$baseargs --disable-option-checking" 3073tbaseargs="$tbaseargs --disable-option-checking" 3074 3075# Record and document user additions to sub configure arguments. 3076AC_ARG_VAR([build_configargs], 3077 [additional configure arguments for build directories]) 3078AC_ARG_VAR([host_configargs], 3079 [additional configure arguments for host directories]) 3080AC_ARG_VAR([target_configargs], 3081 [additional configure arguments for target directories]) 3082 3083# For the build-side libraries, we just need to pretend we're native, 3084# and not use the same cache file. Multilibs are neither needed nor 3085# desired. We can't even use the same cache file for all build-side 3086# libraries, as they're compiled differently; some with C, some with 3087# C++ or with different feature-enabling options. 3088build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}" 3089 3090# For host modules, accept cache file option, or specification as blank. 3091case "${cache_file}" in 3092"") # empty 3093 cache_file_option="" ;; 3094/* | [[A-Za-z]]:[[\\/]]* ) # absolute path 3095 cache_file_option="--cache-file=${cache_file}" ;; 3096*) # relative path 3097 cache_file_option="--cache-file=../${cache_file}" ;; 3098esac 3099 3100# Host dirs don't like to share a cache file either, horribly enough. 3101# This seems to be due to autoconf 2.5x stupidity. 3102host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}" 3103 3104target_configargs="$target_configargs ${tbaseargs}" 3105 3106# Passing a --with-cross-host argument lets the target libraries know 3107# whether they are being built with a cross-compiler or being built 3108# native. However, it would be better to use other mechanisms to make the 3109# sorts of decisions they want to make on this basis. Please consider 3110# this option to be deprecated. FIXME. 3111if test x${is_cross_compiler} = xyes ; then 3112 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}" 3113fi 3114 3115# Special user-friendly check for native x86_64-linux build, if 3116# multilib is not explicitly enabled. 3117case "$target:$have_compiler:$host:$target:$enable_multilib" in 3118 x86_64-*linux*:yes:$build:$build:) 3119 # Make sure we have a development environment that handles 32-bit 3120 dev64=no 3121 echo "int main () { return 0; }" > conftest.c 3122 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c 3123 if test $? = 0 ; then 3124 if test -s conftest || test -s conftest.exe ; then 3125 dev64=yes 3126 fi 3127 fi 3128 rm -f conftest* 3129 if test x${dev64} != xyes ; then 3130 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.]) 3131 fi 3132 ;; 3133esac 3134 3135# Default to --enable-multilib. 3136if test x${enable_multilib} = x ; then 3137 target_configargs="--enable-multilib ${target_configargs}" 3138fi 3139 3140# Pass --with-newlib if appropriate. Note that target_configdirs has 3141# changed from the earlier setting of with_newlib. 3142if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then 3143 target_configargs="--with-newlib ${target_configargs}" 3144fi 3145 3146# Different target subdirs use different values of certain variables 3147# (notably CXX). Worse, multilibs use *lots* of different values. 3148# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that 3149# it doesn't automatically accept command-line overrides of them. 3150# This means it's not safe for target subdirs to share a cache file, 3151# which is disgusting, but there you have it. Hopefully this can be 3152# fixed in future. It's still worthwhile to use a cache file for each 3153# directory. I think. 3154 3155# Pass the appropriate --build, --host, --target and --cache-file arguments. 3156# We need to pass --target, as newer autoconf's requires consistency 3157# for target_alias and gcc doesn't manage it consistently. 3158target_configargs="--cache-file=./config.cache ${target_configargs}" 3159 3160FLAGS_FOR_TARGET= 3161case " $target_configdirs " in 3162 *" newlib "*) 3163 case " $target_configargs " in 3164 *" --with-newlib "*) 3165 case "$target" in 3166 *-cygwin*) 3167 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include' 3168 ;; 3169 esac 3170 3171 # If we're not building GCC, don't discard standard headers. 3172 if test -d ${srcdir}/gcc; then 3173 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc' 3174 3175 if test "${build}" != "${host}"; then 3176 # On Canadian crosses, CC_FOR_TARGET will have already been set 3177 # by `configure', so we won't have an opportunity to add -Bgcc/ 3178 # to it. This is right: we don't want to search that directory 3179 # for binaries, but we want the header files in there, so add 3180 # them explicitly. 3181 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed' 3182 3183 # Someone might think of using the pre-installed headers on 3184 # Canadian crosses, in case the installed compiler is not fully 3185 # compatible with the compiler being built. In this case, it 3186 # would be better to flag an error than risking having 3187 # incompatible object files being constructed. We can't 3188 # guarantee that an error will be flagged, but let's hope the 3189 # compiler will do it, when presented with incompatible header 3190 # files. 3191 fi 3192 fi 3193 3194 case "${target}-${is_cross_compiler}" in 3195 i[[3456789]]86-*-linux*-no) 3196 # Here host == target, so we don't need to build gcc, 3197 # so we don't want to discard standard headers. 3198 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'` 3199 ;; 3200 *) 3201 # If we're building newlib, use its generic headers last, but search 3202 # for any libc-related directories first (so make it the last -B 3203 # switch). 3204 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include' 3205 3206 # If we're building libgloss, find the startup file, simulator library 3207 # and linker script. 3208 case " $target_configdirs " in 3209 *" libgloss "*) 3210 # Look for startup file, simulator library and maybe linker script. 3211 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir" 3212 # Look for libnosys.a in case the target needs it. 3213 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys' 3214 # Most targets have the linker script in the source directory. 3215 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir" 3216 ;; 3217 esac 3218 ;; 3219 esac 3220 ;; 3221 esac 3222 ;; 3223esac 3224 3225case "$target" in 3226 x86_64-*mingw* | *-w64-mingw*) 3227 # MinGW-w64 does not use newlib, nor does it use winsup. It may, 3228 # however, use a symlink named 'mingw' in ${prefix} . 3229 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include' 3230 ;; 3231 *-mingw*) 3232 # MinGW can't be handled as Cygwin above since it does not use newlib. 3233 FLAGS_FOR_TARGET=$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' 3234 ;; 3235esac 3236 3237# Allow the user to override the flags for 3238# our build compiler if desired. 3239if test x"${build}" = x"${host}" ; then 3240 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}} 3241 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}} 3242 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}} 3243fi 3244 3245# On Canadian crosses, we'll be searching the right directories for 3246# the previously-installed cross compiler, so don't bother to add 3247# flags for directories within the install tree of the compiler 3248# being built; programs in there won't even run. 3249if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then 3250 # Search for pre-installed headers if nothing else fits. 3251 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include' 3252fi 3253 3254if test "x${use_gnu_ld}" = x && 3255 echo " ${configdirs} " | grep " ld " > /dev/null ; then 3256 # Arrange for us to find uninstalled linker scripts. 3257 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld' 3258fi 3259 3260# Search for other target-specific linker scripts and such. 3261case "${target}" in 3262 mep*) 3263 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary" 3264 ;; 3265esac 3266 3267# Makefile fragments. 3268for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag; 3269do 3270 eval fragval=\$$frag 3271 if test $fragval != /dev/null; then 3272 eval $frag=${srcdir}/$fragval 3273 fi 3274done 3275AC_SUBST_FILE(host_makefile_frag) 3276AC_SUBST_FILE(target_makefile_frag) 3277AC_SUBST_FILE(alphaieee_frag) 3278AC_SUBST_FILE(ospace_frag) 3279 3280# Miscellanea: directories, flags, etc. 3281AC_SUBST(RPATH_ENVVAR) 3282AC_SUBST(GCC_SHLIB_SUBDIR) 3283AC_SUBST(tooldir) 3284AC_SUBST(build_tooldir) 3285AC_SUBST(CONFIGURE_GDB_TK) 3286AC_SUBST(GDB_TK) 3287AC_SUBST(INSTALL_GDB_TK) 3288 3289# Build module lists & subconfigure args. 3290AC_SUBST(build_configargs) 3291AC_SUBST(build_configdirs) 3292 3293# Host module lists & subconfigure args. 3294AC_SUBST(host_configargs) 3295AC_SUBST(configdirs) 3296AC_SUBST(target_configdirs) 3297 3298# Target module lists & subconfigure args. 3299AC_SUBST(target_configargs) 3300 3301 3302# Build tools. 3303AC_SUBST(AR_FOR_BUILD) 3304AC_SUBST(AS_FOR_BUILD) 3305AC_SUBST(CC_FOR_BUILD) 3306AC_SUBST(CFLAGS_FOR_BUILD) 3307AC_SUBST(CXXFLAGS_FOR_BUILD) 3308AC_SUBST(CXX_FOR_BUILD) 3309AC_SUBST(DLLTOOL_FOR_BUILD) 3310AC_SUBST(GCJ_FOR_BUILD) 3311AC_SUBST(GFORTRAN_FOR_BUILD) 3312AC_SUBST(GOC_FOR_BUILD) 3313AC_SUBST(LDFLAGS_FOR_BUILD) 3314AC_SUBST(LD_FOR_BUILD) 3315AC_SUBST(NM_FOR_BUILD) 3316AC_SUBST(RANLIB_FOR_BUILD) 3317AC_SUBST(WINDMC_FOR_BUILD) 3318AC_SUBST(WINDRES_FOR_BUILD) 3319 3320# Generate default definitions for YACC, M4, LEX and other programs that run 3321# on the build machine. These are used if the Makefile can't locate these 3322# programs in objdir. 3323MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing 3324 3325AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y]) 3326case " $build_configdirs " in 3327 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;; 3328esac 3329 3330AC_CHECK_PROGS([BISON], [bison], [$MISSING bison]) 3331case " $build_configdirs " in 3332 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;; 3333esac 3334 3335AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4]) 3336case " $build_configdirs " in 3337 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;; 3338esac 3339 3340AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex]) 3341case " $build_configdirs " in 3342 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;; 3343 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;; 3344esac 3345 3346AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex]) 3347case " $build_configdirs " in 3348 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;; 3349esac 3350 3351AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo]) 3352case " $build_configdirs " in 3353 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;; 3354 *) 3355changequote(,) 3356 # For an installed makeinfo, we require it to be from texinfo 4.7 or 3357 # higher, else we use the "missing" dummy. 3358 if ${MAKEINFO} --version \ 3359 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then 3360 : 3361 else 3362 MAKEINFO="$MISSING makeinfo" 3363 fi 3364 ;; 3365changequote([,]) 3366esac 3367 3368# FIXME: expect and dejagnu may become build tools? 3369 3370AC_CHECK_PROGS(EXPECT, expect, expect) 3371case " $configdirs " in 3372 *" expect "*) 3373 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect' 3374 ;; 3375esac 3376 3377AC_CHECK_PROGS(RUNTEST, runtest, runtest) 3378case " $configdirs " in 3379 *" dejagnu "*) 3380 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest' 3381 ;; 3382esac 3383 3384 3385# Host tools. 3386NCN_STRICT_CHECK_TOOLS(AR, ar) 3387NCN_STRICT_CHECK_TOOLS(AS, as) 3388NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool) 3389NCN_STRICT_CHECK_TOOLS(LD, ld) 3390NCN_STRICT_CHECK_TOOLS(LIPO, lipo) 3391NCN_STRICT_CHECK_TOOLS(NM, nm) 3392NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true) 3393NCN_STRICT_CHECK_TOOLS(STRIP, strip, true) 3394NCN_STRICT_CHECK_TOOLS(WINDRES, windres) 3395NCN_STRICT_CHECK_TOOLS(WINDMC, windmc) 3396NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy) 3397NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump) 3398NCN_STRICT_CHECK_TOOLS(READELF, readelf) 3399AC_SUBST(CC) 3400AC_SUBST(CXX) 3401AC_SUBST(CFLAGS) 3402AC_SUBST(CXXFLAGS) 3403 3404# Target tools. 3405AC_ARG_WITH([build-time-tools], 3406 [AS_HELP_STRING([--with-build-time-tools=PATH], 3407 [use given path to find target tools during the build])], 3408 [case x"$withval" in 3409 x/*) ;; 3410 *) 3411 with_build_time_tools= 3412 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path]) 3413 ;; 3414 esac], 3415 [with_build_time_tools=]) 3416 3417NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc) 3418NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx) 3419NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET}) 3420NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj) 3421NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran) 3422NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo) 3423 3424ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar) 3425ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as) 3426ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool) 3427ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld) 3428ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo) 3429ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm) 3430ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy) 3431ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump) 3432ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib) 3433ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf) 3434ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip) 3435ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres) 3436ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc) 3437 3438RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET" 3439 3440GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar]) 3441GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new]) 3442GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) 3443dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS 3444GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX, 3445 [gcc/xg++ -B$$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$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs], 3446 c++) 3447GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX, 3448 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs], 3449 c++) 3450GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool]) 3451GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) 3452GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ, 3453 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java) 3454GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN, 3455 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran) 3456GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC, 3457 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go) 3458GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new]) 3459GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO) 3460GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new]) 3461GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy]) 3462GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump]) 3463GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib]) 3464GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf]) 3465GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new]) 3466GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres]) 3467GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc]) 3468 3469AC_SUBST(FLAGS_FOR_TARGET) 3470AC_SUBST(RAW_CXX_FOR_TARGET) 3471 3472# Certain tools may need extra flags. 3473AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target} 3474RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target} 3475NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target} 3476 3477# When building target libraries, except in a Canadian cross, we use 3478# the same toolchain as the compiler we just built. 3479COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)' 3480COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)' 3481COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)' 3482if test $host = $build; then 3483 case " $configdirs " in 3484 *" gcc "*) 3485 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as' 3486 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld' 3487 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target} 3488 ;; 3489 esac 3490fi 3491 3492AC_SUBST(COMPILER_AS_FOR_TARGET) 3493AC_SUBST(COMPILER_LD_FOR_TARGET) 3494AC_SUBST(COMPILER_NM_FOR_TARGET) 3495 3496AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) 3497AC_ARG_ENABLE(maintainer-mode, 3498[AS_HELP_STRING([--enable-maintainer-mode], 3499 [enable make rules and dependencies not useful 3500 (and sometimes confusing) to the casual installer])], 3501 USE_MAINTAINER_MODE=$enableval, 3502 USE_MAINTAINER_MODE=no) 3503AC_MSG_RESULT($USE_MAINTAINER_MODE) 3504AC_SUBST(MAINTAINER_MODE_TRUE) 3505AC_SUBST(MAINTAINER_MODE_FALSE) 3506if test "$USE_MAINTAINER_MODE" = yes; then 3507 MAINTAINER_MODE_TRUE= 3508 MAINTAINER_MODE_FALSE='#' 3509else 3510 MAINTAINER_MODE_TRUE='#' 3511 MAINTAINER_MODE_FALSE= 3512fi 3513MAINT=$MAINTAINER_MODE_TRUE 3514AC_SUBST(MAINT)dnl 3515 3516# --------------------- 3517# GCC bootstrap support 3518# --------------------- 3519 3520# Stage specific cflags for build. 3521stage1_cflags="-g" 3522case $build in 3523 vax-*-*) 3524 case ${GCC} in 3525 yes) stage1_cflags="-g -Wa,-J" ;; 3526 *) stage1_cflags="-g -J" ;; 3527 esac ;; 3528esac 3529 3530AC_SUBST(stage1_cflags) 3531 3532# Enable --enable-checking in stage1 of the compiler. 3533AC_ARG_ENABLE(stage1-checking, 3534[AS_HELP_STRING([[--enable-stage1-checking[=all]]], 3535 [choose additional checking for stage1 of the compiler])], 3536[stage1_checking=--enable-checking=${enable_stage1_checking}], 3537[if test "x$enable_checking" = xno || test "x$enable_checking" = x; then 3538 # For --disable-checking or implicit --enable-checking=release, avoid 3539 # setting --enable-checking=gc in the default stage1 checking for LTO 3540 # bootstraps. See PR62077. 3541 stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types 3542 case $BUILD_CONFIG in 3543 *lto*) 3544 if test "x$enable_checking" = x && \ 3545 test -d ${srcdir}/gcc && \ 3546 test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then 3547 stage1_checking=--enable-checking=yes,types 3548 fi;; 3549 *) stage1_checking=--enable-checking=yes,types;; 3550 esac 3551else 3552 stage1_checking=--enable-checking=$enable_checking,types 3553fi]) 3554AC_SUBST(stage1_checking) 3555 3556# Enable -Werror in bootstrap stage2 and later. 3557AC_ARG_ENABLE(werror, 3558[AS_HELP_STRING([--enable-werror], 3559 [enable -Werror in bootstrap stage2 and later])], [], 3560[if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then 3561 enable_werror=yes 3562else 3563 enable_werror=no 3564fi]) 3565case ${enable_werror} in 3566 yes) stage2_werror_flag="--enable-werror-always" ;; 3567 *) stage2_werror_flag="" ;; 3568esac 3569AC_SUBST(stage2_werror_flag) 3570 3571# Enable --enable-host-shared. 3572AC_ARG_ENABLE(host-shared, 3573[AS_HELP_STRING([--enable-host-shared], 3574 [build host code as shared libraries])], 3575[host_shared=$enableval], [host_shared=no]) 3576AC_SUBST(host_shared) 3577 3578# PR jit/64780: Require the user to explicitly specify 3579# --enable-host-shared if the jit is enabled, hinting 3580# that they might want to do a separate configure/build of 3581# the jit, to avoid users from slowing down the rest of the 3582# compiler by enabling the jit. 3583if test ${host_shared} = "no" ; then 3584 case "${enable_languages}" in 3585 *jit*) 3586 AC_MSG_ERROR([ 3587Enabling language "jit" requires --enable-host-shared. 3588 3589--enable-host-shared typically slows the rest of the compiler down by 3590a few %, so you must explicitly enable it. 3591 3592If you want to build both the jit and the regular compiler, it is often 3593best to do this via two separate configure/builds, in separate 3594directories, to avoid imposing the performance cost of 3595--enable-host-shared on the regular compiler.]) 3596 ;; 3597 *) 3598 ;; 3599 esac 3600fi 3601 3602# Specify what files to not compare during bootstrap. 3603 3604compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*" 3605case "$target" in 3606 hppa*64*-*-hpux*) ;; 3607 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;; 3608 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;; 3609esac 3610AC_SUBST(compare_exclusions) 3611 3612AC_CONFIG_FILES([Makefile], 3613 [sed "$extrasub_build" Makefile | 3614 sed "$extrasub_host" | 3615 sed "$extrasub_target" > mf$$ 3616 mv -f mf$$ Makefile], 3617 [extrasub_build="$extrasub_build" 3618 extrasub_host="$extrasub_host" 3619 extrasub_target="$extrasub_target"]) 3620AC_OUTPUT 3621