configure.ac revision 1.3
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 Free Software Foundation, Inc. 4# 5# This file is free software; you can redistribute it and/or modify it 6# under the terms of the GNU General Public License as published by 7# the Free Software Foundation; either version 3 of the License, or 8# (at your option) any later version. 9# 10# This program is distributed in the hope that it will be useful, but 11# WITHOUT ANY WARRANTY; without even the implied warranty of 12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13# General Public License for more details. 14# 15# You should have received a copy of the GNU General Public License 16# along with this program; see the file COPYING3. If not see 17# <http://www.gnu.org/licenses/>. 18 19############################################################################## 20### WARNING: this file contains embedded tabs. Do not run untabify on this file. 21 22m4_include(config/acx.m4) 23m4_include(config/override.m4) 24m4_include(config/proginstall.m4) 25m4_include(config/elf.m4) 26m4_include([libtool.m4]) 27m4_include([ltoptions.m4]) 28m4_include([ltsugar.m4]) 29m4_include([ltversion.m4]) 30m4_include([lt~obsolete.m4]) 31m4_include([config/isl.m4]) 32 33AC_INIT(move-if-change) 34AC_PREREQ(2.64) 35AC_DISABLE_OPTION_CHECKING 36 37progname=$0 38# if PWD already has a value, it is probably wrong. 39if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi 40 41# Export original configure arguments for use by sub-configures. 42# Quote arguments with shell meta charatcers. 43TOPLEVEL_CONFIGURE_ARGUMENTS= 44set -- "$progname" "$@" 45for ac_arg 46do 47 case "$ac_arg" in 48 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*) 49 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` 50 # if the argument is of the form -foo=baz, quote the baz part only 51 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;; 52 *) ;; 53 esac 54 # Add the quoted argument to the list. 55 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg" 56done 57if test "$silent" = yes; then 58 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent" 59fi 60# Remove the initial space we just introduced and, as these will be 61# expanded by make, quote '$'. 62TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'` 63AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS) 64 65# Find the build, host, and target systems. 66ACX_NONCANONICAL_BUILD 67ACX_NONCANONICAL_HOST 68ACX_NONCANONICAL_TARGET 69 70dnl Autoconf 2.5x and later will set a default program prefix if 71dnl --target was used, even if it was the same as --host. Disable 72dnl that behavior. This must be done before AC_CANONICAL_SYSTEM 73dnl to take effect. 74test "$host_noncanonical" = "$target_noncanonical" && 75 test "$program_prefix$program_suffix$program_transform_name" = \ 76 NONENONEs,x,x, && 77 program_transform_name=s,y,y, 78 79AC_CANONICAL_SYSTEM 80AC_ARG_PROGRAM 81 82m4_pattern_allow([^AS_FOR_TARGET$])dnl 83m4_pattern_allow([^AS_FOR_BUILD$])dnl 84 85# Get 'install' or 'install-sh' and its variants. 86AC_PROG_INSTALL 87ACX_PROG_LN 88AC_PROG_LN_S 89AC_PROG_SED 90AC_PROG_AWK 91 92srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}` 93 94# We pass INSTALL explicitly to sub-makes. Make sure that it is not 95# a relative path. 96if test "$INSTALL" = "${srcdir}/install-sh -c"; then 97 INSTALL="${srcpwd}/install-sh -c" 98fi 99 100# Set srcdir to "." if that's what it is. 101# This is important for multilib support. 102pwd=`${PWDCMD-pwd}` 103if test "${pwd}" = "${srcpwd}" ; then 104 srcdir=. 105fi 106 107topsrcdir=$srcpwd 108 109extra_host_args= 110 111### To add a new directory to the tree, first choose whether it is a target 112### or a host dependent tool. Then put it into the appropriate list 113### (library or tools, host or target), doing a dependency sort. 114 115# Subdirs will be configured in the order listed in build_configdirs, 116# configdirs, or target_configdirs; see the serialization section below. 117 118# Dependency sorting is only needed when *configuration* must be done in 119# a particular order. In all cases a dependency should be specified in 120# the Makefile, whether or not it's implicitly specified here. 121 122# Double entries in build_configdirs, configdirs, or target_configdirs may 123# cause circular dependencies and break everything horribly. 124 125# these library is used by various programs built for the build 126# environment 127# 128build_libs="build-libiberty build-libcpp" 129 130# these tools are built for the build environment 131build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes" 132 133# these libraries are used by various programs built for the host environment 134#f 135host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl libelf libiconv" 136 137# these tools are built for the host environment 138# Note, the powerpc-eabi build depends on sim occurring before gdb in order to 139# know that we are building the simulator. 140# binutils, gas and ld appear in that order because it makes sense to run 141# "make check" in that particular order. 142# If --enable-gold is used, "gold" may replace "ld". 143host_tools="flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gprof etc expect dejagnu m4 utils guile fastjar gnattools libcc1 gotools" 144 145# libgcj represents the runtime libraries only used by gcj. 146libgcj="target-libffi \ 147 target-zlib \ 148 target-libjava" 149 150# these libraries are built for the target environment, and are built after 151# the host libraries and the host tools (which may be a cross compiler) 152# Note that libiberty is not a target library. 153target_libraries="target-libgcc \ 154 target-libbacktrace \ 155 target-libgloss \ 156 target-newlib \ 157 target-libgomp \ 158 target-libcilkrts \ 159 target-liboffloadmic \ 160 target-libatomic \ 161 target-libitm \ 162 target-libstdc++-v3 \ 163 target-libsanitizer \ 164 target-libvtv \ 165 target-libmpx \ 166 target-libssp \ 167 target-libquadmath \ 168 target-libgfortran \ 169 target-boehm-gc \ 170 ${libgcj} \ 171 target-libobjc \ 172 target-libada \ 173 target-libgo" 174 175# these tools are built using the target libraries, and are intended to 176# run only in the target environment 177# 178# note: any program that *uses* libraries that are in the "target_libraries" 179# list belongs in this list. 180# 181target_tools="target-rda" 182 183################################################################################ 184 185## All tools belong in one of the four categories, and are assigned above 186## We assign ${configdirs} this way to remove all embedded newlines. This 187## is important because configure will choke if they ever get through. 188## ${configdirs} is directories we build using the host tools. 189## ${target_configdirs} is directories we build using the target tools. 190configdirs=`echo ${host_libs} ${host_tools}` 191target_configdirs=`echo ${target_libraries} ${target_tools}` 192build_configdirs=`echo ${build_libs} ${build_tools}` 193 194m4_divert_text([PARSE_ARGS], 195[case $srcdir in 196 *" "*) 197m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl 198 AC_MSG_ERROR([path to source, $srcdir, contains spaces]) 199m4_popdef([AS_MESSAGE_LOG_FD])dnl 200 ;; 201esac 202ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'` 203]) 204 205################################################################################ 206 207srcname="gnu development package" 208 209# This gets set non-empty for some net releases of packages. 210appdirs="" 211 212# Define is_cross_compiler to save on calls to 'test'. 213is_cross_compiler= 214if test x"${host}" = x"${target}" ; then 215 is_cross_compiler=no 216else 217 is_cross_compiler=yes 218fi 219 220# Find the build and target subdir names. 221GCC_TOPLEV_SUBDIRS 222# Be sure to cover against remnants of an in-tree build. 223if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then 224 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}. 225Use a pristine source tree when building in a separate tree]) 226fi 227 228# Skipdirs are removed silently. 229skipdirs= 230# Noconfigdirs are removed loudly. 231noconfigdirs="" 232 233use_gnu_ld= 234# Make sure we don't let GNU ld be added if we didn't want it. 235if test x$with_gnu_ld = xno ; then 236 use_gnu_ld=no 237 noconfigdirs="$noconfigdirs ld gold" 238fi 239 240use_gnu_as= 241# Make sure we don't let GNU as be added if we didn't want it. 242if test x$with_gnu_as = xno ; then 243 use_gnu_as=no 244 noconfigdirs="$noconfigdirs gas" 245fi 246 247use_included_zlib= 248AC_ARG_WITH(system-zlib, 249[AS_HELP_STRING([--with-system-zlib], [use installed libz])]) 250# Make sure we don't let ZLIB be added if we didn't want it. 251if test x$with_system_zlib = xyes ; then 252 use_included_zlib=no 253 noconfigdirs="$noconfigdirs zlib" 254fi 255 256# some tools are so dependent upon X11 that if we're not building with X, 257# it's not even worth trying to configure, much less build, that tool. 258 259case ${with_x} in 260 yes | "") ;; # the default value for this tree is that X11 is available 261 no) 262 skipdirs="${skipdirs} tk itcl libgui" 263 # We won't be able to build gdbtk without X. 264 enable_gdbtk=no 265 ;; 266 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;; 267esac 268 269# Some are only suitable for cross toolchains. 270# Remove these if host=target. 271cross_only="target-libgloss target-newlib target-opcodes" 272 273case $is_cross_compiler in 274 no) skipdirs="${skipdirs} ${cross_only}" ;; 275esac 276 277# If both --with-headers and --with-libs are specified, default to 278# --without-newlib. 279if test x"${with_headers}" != x && test x"${with_headers}" != xno \ 280 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then 281 if test x"${with_newlib}" = x ; then 282 with_newlib=no 283 fi 284fi 285 286# Recognize --with-newlib/--without-newlib. 287case ${with_newlib} in 288 no) skipdirs="${skipdirs} target-newlib" ;; 289 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;; 290esac 291 292AC_ARG_ENABLE(as-accelerator-for, 293[AS_HELP_STRING([--enable-as-accelerator-for=ARG], 294 [build as offload target compiler. 295 Specify offload host triple by ARG])]) 296 297AC_ARG_ENABLE(offload-targets, 298[AS_HELP_STRING([--enable-offload-targets=LIST], 299 [enable offloading to devices from comma-separated LIST of 300 TARGET[=DIR]. Use optional path to find offload target compiler 301 during the build])], 302[ 303 if test x"$enable_offload_targets" = x; then 304 AC_MSG_ERROR([no offload targets specified]) 305 fi 306], [enable_offload_targets=]) 307 308# Handle --enable-gold, --enable-ld. 309# --disable-gold [--enable-ld] 310# Build only ld. Default option. 311# --enable-gold [--enable-ld] 312# Build both gold and ld. Install gold as "ld.gold", install ld 313# as "ld.bfd" and "ld". 314# --enable-gold=default [--enable-ld] 315# Build both gold and ld. Install gold as "ld.gold" and "ld", 316# install ld as "ld.bfd". 317# --enable-gold[=default] --disable-ld 318# Build only gold, which is then installed as both "ld.gold" and "ld". 319# --enable-gold --enable-ld=default 320# Build both gold (installed as "ld.gold") and ld (installed as "ld" 321# and ld.bfd). 322# In other words, ld is default 323# --enable-gold=default --enable-ld=default 324# Error. 325 326default_ld= 327AC_ARG_ENABLE(gold, 328[AS_HELP_STRING([[--enable-gold[=ARG]]], 329 [build gold @<:@ARG={default,yes,no}@:>@])], 330ENABLE_GOLD=$enableval, 331ENABLE_GOLD=no) 332case "${ENABLE_GOLD}" in 333 yes|default) 334 # Check for ELF target. 335 is_elf=no 336 case "${target}" in 337 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \ 338 | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \ 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*-*-*) 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 = xyes; 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 else 675 noconfigdirs="$noconfigdirs target-libmpx" 676 fi 677fi 678 679 680 681# Disable libquadmath for some systems. 682case "${target}" in 683 avr-*-*) 684 noconfigdirs="$noconfigdirs target-libquadmath" 685 ;; 686 # libquadmath is unused on AIX and libquadmath build process use of 687 # LD_LIBRARY_PATH can break AIX bootstrap. 688 powerpc-*-aix* | rs6000-*-aix*) 689 noconfigdirs="$noconfigdirs target-libquadmath" 690 ;; 691esac 692 693# Disable libssp for some systems. 694case "${target}" in 695 avr-*-*) 696 # No hosted I/O support. 697 noconfigdirs="$noconfigdirs target-libssp" 698 ;; 699 powerpc-*-aix* | rs6000-*-aix*) 700 noconfigdirs="$noconfigdirs target-libssp" 701 ;; 702 rl78-*-*) 703 # libssp uses a misaligned load to trigger a fault, but the RL78 704 # doesn't fault for those - instead, it gives a build-time error 705 # for explicit misaligned loads. 706 noconfigdirs="$noconfigdirs target-libssp" 707 ;; 708 visium-*-*) 709 # No hosted I/O support. 710 noconfigdirs="$noconfigdirs target-libssp" 711 ;; 712esac 713 714# Disable libstdc++-v3 for some systems. 715# Allow user to override this if they pass --enable-libstdc++-v3 716if test "${ENABLE_LIBSTDCXX}" = "default" ; then 717 case "${target}" in 718 *-*-vxworks*) 719 # VxWorks uses the Dinkumware C++ library. 720 noconfigdirs="$noconfigdirs target-libstdc++-v3" 721 ;; 722 arm*-wince-pe*) 723 # the C++ libraries don't build on top of CE's C libraries 724 noconfigdirs="$noconfigdirs target-libstdc++-v3" 725 ;; 726 avr-*-*) 727 noconfigdirs="$noconfigdirs target-libstdc++-v3" 728 ;; 729 ft32-*-*) 730 noconfigdirs="$noconfigdirs target-libstdc++-v3" 731 ;; 732 esac 733fi 734 735# Disable Fortran for some systems. 736case "${target}" in 737 mmix-*-*) 738 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>. 739 unsupported_languages="$unsupported_languages fortran" 740 ;; 741esac 742 743# Disable Java if libffi is not supported. 744case "${target}" in 745 aarch64-*-*) 746 ;; 747 alpha*-*-*) 748 ;; 749 arm*-*-*) 750 ;; 751 cris-*-*) 752 ;; 753 frv-*-*) 754 ;; 755 hppa*-*-linux*) 756 ;; 757 hppa*-*-hpux*) 758 ;; 759 i?86-*-*) 760 ;; 761 ia64*-*-*) 762 ;; 763 m32r*-*-*) 764 ;; 765 m68k-*-*) 766 ;; 767 mips*-*-rtems*) 768 ;; 769 mips*-*-linux*) 770 ;; 771 powerpc*-*-linux*) 772 ;; 773 powerpc-*-darwin*) 774 ;; 775 powerpc-*-aix* | rs6000-*-aix*) 776 ;; 777 powerpc-*-freebsd*) 778 ;; 779 powerpc64-*-freebsd*) 780 ;; 781 powerpc*-*-rtems*) 782 ;; 783 s390-*-* | s390x-*-*) 784 ;; 785 sh-*-* | sh[[34]]*-*-*) 786 ;; 787 sh64-*-* | sh5*-*-*) 788 ;; 789 sparc*-*-*) 790 ;; 791 x86_64-*-*) 792 ;; 793 *-*-*) 794 unsupported_languages="$unsupported_languages java" 795 ;; 796esac 797 798# Disable Java, libgcj or related libraries for some systems. 799case "${target}" in 800 powerpc-*-darwin*) 801 ;; 802 i[[3456789]]86-*-darwin*) 803 ;; 804 x86_64-*-darwin[[912]]*) 805 ;; 806 *-*-darwin*) 807 noconfigdirs="$noconfigdirs ${libgcj}" 808 ;; 809 *-*-netware*) 810 noconfigdirs="$noconfigdirs ${libgcj}" 811 ;; 812 *-*-rtems*) 813 noconfigdirs="$noconfigdirs ${libgcj}" 814 ;; 815 *-*-tpf*) 816 noconfigdirs="$noconfigdirs ${libgcj}" 817 ;; 818 *-*-uclinux*) 819 noconfigdirs="$noconfigdirs ${libgcj}" 820 ;; 821 *-*-vxworks*) 822 noconfigdirs="$noconfigdirs ${libgcj}" 823 ;; 824 alpha*-*-*vms*) 825 noconfigdirs="$noconfigdirs ${libgcj}" 826 ;; 827 arm*-*-freebsd*) 828 noconfigdirs="$noconfigdirs ${libgcj}" 829 ;; 830 arm-wince-pe) 831 noconfigdirs="$noconfigdirs ${libgcj}" 832 ;; 833 arm*-*-symbianelf*) 834 noconfigdirs="$noconfigdirs ${libgcj}" 835 ;; 836 bfin-*-*) 837 noconfigdirs="$noconfigdirs target-boehm-gc" 838 ;; 839 cris-*-* | crisv32-*-*) 840 unsupported_languages="$unsupported_languages java" 841 case "${target}" in 842 *-*-linux*) 843 ;; 844 *) # See PR46792 regarding target-libffi. 845 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";; 846 esac 847 ;; 848 hppa*64*-*-linux*) 849 # In this case, it's because the hppa64-linux target is for 850 # the kernel only at this point and has no libc, and thus no 851 # headers, crt*.o, etc., all of which are needed by these. 852 unsupported_languages="$unsupported_languages java" 853 ;; 854 hppa*64*-*-hpux*) 855 noconfigdirs="$noconfigdirs ${libgcj}" 856 ;; 857 hppa*-hp-hpux11*) 858 ;; 859 hppa*-*-hpux*) 860 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't 861 # build on HP-UX 10.20. 862 noconfigdirs="$noconfigdirs ${libgcj}" 863 ;; 864 ia64*-*-*vms*) 865 noconfigdirs="$noconfigdirs ${libgcj}" 866 ;; 867 i[[3456789]]86-w64-mingw*) 868 noconfigdirs="$noconfigdirs ${libgcj}" 869 ;; 870 i[[3456789]]86-*-mingw*) 871 noconfigdirs="$noconfigdirs ${libgcj}" 872 ;; 873 x86_64-*-mingw*) 874 noconfigdirs="$noconfigdirs ${libgcj}" 875 ;; 876 mmix-*-*) 877 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc" 878 ;; 879 powerpc-*-aix*) 880 # copied from rs6000-*-* entry 881 noconfigdirs="$noconfigdirs ${libgcj}" 882 ;; 883 rs6000-*-aix*) 884 noconfigdirs="$noconfigdirs ${libgcj}" 885 ;; 886 ft32-*-*) 887 noconfigdirs="$noconfigdirs ${libgcj}" 888 ;; 889 *-*-lynxos*) 890 noconfigdirs="$noconfigdirs ${libgcj}" 891 ;; 892esac 893 894# Disable the go frontend on systems where it is known to not work. Please keep 895# this in sync with contrib/config-list.mk. 896case "${target}" in 897*-*-darwin* | *-*-cygwin* | *-*-mingw* | *-*-aix*) 898 unsupported_languages="$unsupported_languages go" 899 ;; 900esac 901 902# Disable libgo for some systems where it is known to not work. 903# For testing, you can easily override this with --enable-libgo. 904if test x$enable_libgo = x; then 905 case "${target}" in 906 *-*-darwin*) 907 # PR 46986 908 noconfigdirs="$noconfigdirs target-libgo" 909 ;; 910 *-*-cygwin* | *-*-mingw*) 911 noconfigdirs="$noconfigdirs target-libgo" 912 ;; 913 *-*-aix*) 914 noconfigdirs="$noconfigdirs target-libgo" 915 ;; 916 esac 917fi 918 919# Default libgloss CPU subdirectory. 920libgloss_dir="$target_cpu" 921 922case "${target}" in 923 sh*-*-pe|mips*-*-pe|*arm-wince-pe) 924 libgloss_dir=wince 925 ;; 926 aarch64*-*-* ) 927 libgloss_dir=aarch64 928 ;; 929 arm*-*-*) 930 libgloss_dir=arm 931 ;; 932 cris-*-* | crisv32-*-*) 933 libgloss_dir=cris 934 ;; 935 hppa*-*-*) 936 libgloss_dir=pa 937 ;; 938 i[[3456789]]86-*-*) 939 libgloss_dir=i386 940 ;; 941 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*) 942 libgloss_dir=m68hc11 943 ;; 944 m68*-*-* | fido-*-*) 945 libgloss_dir=m68k 946 ;; 947 mips*-*-*) 948 libgloss_dir=mips 949 ;; 950 powerpc*-*-*) 951 libgloss_dir=rs6000 952 ;; 953 sparc*-*-*) 954 libgloss_dir=sparc 955 ;; 956esac 957 958# Disable newlib and libgloss for various target OSes. 959case "${target}" in 960 alpha*-dec-osf*) 961 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 962 ;; 963 i[[3456789]]86-*-linux*) 964 # This section makes it possible to build newlib natively on linux. 965 # If we are using a cross compiler then don't configure newlib. 966 if test x${is_cross_compiler} != xno ; then 967 noconfigdirs="$noconfigdirs target-newlib" 968 fi 969 noconfigdirs="$noconfigdirs target-libgloss" 970 # If we are not using a cross compiler, do configure newlib. 971 # Note however, that newlib will only be configured in this situation 972 # if the --with-newlib option has been given, because otherwise 973 # 'target-newlib' will appear in skipdirs. 974 ;; 975 i[[3456789]]86-*-rdos*) 976 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 977 ;; 978 sh*-*-pe|mips*-*-pe|arm-wince-pe) 979 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 980 ;; 981 sparc-*-sunos4*) 982 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 983 ;; 984 *-*-aix*) 985 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 986 ;; 987 *-*-beos*) 988 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 989 ;; 990 *-*-chorusos) 991 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 992 ;; 993 *-*-dragonfly*) 994 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 995 ;; 996 *-*-freebsd*) 997 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 998 ;; 999 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 1000 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1001 ;; 1002 *-*-lynxos*) 1003 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1004 ;; 1005 *-*-mingw*) 1006 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1007 ;; 1008 *-*-netbsd*) 1009 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1010 ;; 1011 *-*-netware*) 1012 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1013 ;; 1014 *-*-tpf*) 1015 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1016 ;; 1017 *-*-uclinux*) 1018 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1019 ;; 1020 *-*-vxworks*) 1021 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1022 ;; 1023esac 1024 1025case "${target}" in 1026 *-*-chorusos) 1027 ;; 1028 powerpc-*-darwin*) 1029 noconfigdirs="$noconfigdirs ld gas gdb gprof" 1030 noconfigdirs="$noconfigdirs sim target-rda" 1031 ;; 1032 i[[3456789]]86-*-darwin*) 1033 noconfigdirs="$noconfigdirs ld gprof" 1034 noconfigdirs="$noconfigdirs sim target-rda" 1035 ;; 1036 x86_64-*-darwin[[912]]*) 1037 noconfigdirs="$noconfigdirs ld gas gprof" 1038 noconfigdirs="$noconfigdirs sim target-rda" 1039 ;; 1040 *-*-darwin*) 1041 noconfigdirs="$noconfigdirs ld gas gdb gprof" 1042 noconfigdirs="$noconfigdirs sim target-rda" 1043 ;; 1044 *-*-dragonfly*) 1045 ;; 1046 *-*-freebsd*) 1047 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \ 1048 && test -f /usr/local/include/gmp.h; then 1049 with_gmp=/usr/local 1050 fi 1051 ;; 1052 *-*-kaos*) 1053 # Remove unsupported stuff on all kaOS configurations. 1054 noconfigdirs="$noconfigdirs target-libgloss" 1055 ;; 1056 *-*-netbsd*) 1057 ;; 1058 *-*-netware*) 1059 ;; 1060 *-*-rtems*) 1061 noconfigdirs="$noconfigdirs target-libgloss" 1062 # this is not caught below because this stanza matches earlier 1063 case $target in 1064 or1k*-*-*) noconfigdirs="$noconfigdirs gdb" ;; 1065 esac 1066 ;; 1067 # The tpf target doesn't support gdb yet. 1068 *-*-tpf*) 1069 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl" 1070 ;; 1071 *-*-uclinux*) 1072 noconfigdirs="$noconfigdirs target-rda" 1073 ;; 1074 *-*-vxworks*) 1075 ;; 1076 alpha*-dec-osf*) 1077 # ld works, but does not support shared libraries. 1078 # gas doesn't generate exception information. 1079 noconfigdirs="$noconfigdirs gas ld" 1080 ;; 1081 alpha*-*-*vms*) 1082 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss" 1083 ;; 1084 alpha*-*-*) 1085 # newlib is not 64 bit ready 1086 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1087 ;; 1088 sh*-*-pe|mips*-*-pe|*arm-wince-pe) 1089 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim" 1090 ;; 1091 arc-*-*|arceb-*-*) 1092 noconfigdirs="$noconfigdirs target-libgloss" 1093 ;; 1094 arm-*-pe*) 1095 noconfigdirs="$noconfigdirs target-libgloss" 1096 ;; 1097 arm-*-riscix*) 1098 noconfigdirs="$noconfigdirs ld target-libgloss" 1099 ;; 1100 avr-*-rtems*) 1101 ;; 1102 avr-*-*) 1103 if test x${with_avrlibc} != xno; then 1104 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1105 fi 1106 ;; 1107 c4x-*-* | tic4x-*-*) 1108 noconfigdirs="$noconfigdirs target-libgloss" 1109 ;; 1110 tic54x-*-*) 1111 noconfigdirs="$noconfigdirs target-libgloss gdb" 1112 ;; 1113 d10v-*-*) 1114 noconfigdirs="$noconfigdirs target-libgloss" 1115 ;; 1116 d30v-*-*) 1117 noconfigdirs="$noconfigdirs gdb" 1118 ;; 1119 fr30-*-elf*) 1120 noconfigdirs="$noconfigdirs gdb" 1121 ;; 1122 ft32-*-*) 1123 noconfigdirs="$noconfigdirs target-rda gprof" 1124 ;; 1125 moxie-*-*) 1126 noconfigdirs="$noconfigdirs" 1127 ;; 1128 h8300*-*-*) 1129 noconfigdirs="$noconfigdirs target-libgloss" 1130 ;; 1131 h8500-*-*) 1132 noconfigdirs="$noconfigdirs target-libgloss" 1133 ;; 1134 hppa1.1-*-osf* | hppa1.1-*-bsd* ) 1135 ;; 1136 hppa*64*-*-hpux*) 1137 noconfigdirs="$noconfigdirs gdb" 1138 ;; 1139 hppa*-*-hpux11*) 1140 noconfigdirs="$noconfigdirs gdb ld" 1141 ;; 1142 hppa*64*-*-linux*) 1143 ;; 1144 hppa*-*-linux*) 1145 ;; 1146 hppa*-*-*elf* | \ 1147 hppa*-*-lites* | \ 1148 hppa*-*-openbsd* | \ 1149 hppa*64*-*-*) 1150 ;; 1151 hppa*-*-pro*) 1152 ;; 1153 hppa*-*-*) 1154 noconfigdirs="$noconfigdirs ld" 1155 ;; 1156 i960-*-*) 1157 noconfigdirs="$noconfigdirs gdb" 1158 ;; 1159 ia64*-*-elf*) 1160 # No gdb support yet. 1161 noconfigdirs="$noconfigdirs readline libgui itcl gdb" 1162 ;; 1163 ia64*-**-hpux*) 1164 # No ld support yet. 1165 noconfigdirs="$noconfigdirs gdb libgui itcl ld" 1166 ;; 1167 ia64*-*-*vms*) 1168 # No ld support yet. 1169 noconfigdirs="$noconfigdirs libgui itcl ld" 1170 ;; 1171 i[[3456789]]86-w64-mingw*) 1172 ;; 1173 i[[3456789]]86-*-mingw*) 1174 target_configdirs="$target_configdirs target-winsup" 1175 ;; 1176 *-*-cygwin*) 1177 target_configdirs="$target_configdirs target-libtermcap target-winsup" 1178 noconfigdirs="$noconfigdirs target-libgloss" 1179 # always build newlib if winsup directory is present. 1180 if test -d "$srcdir/winsup/cygwin"; then 1181 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` 1182 elif test -d "$srcdir/newlib"; then 1183 echo "Warning: winsup/cygwin is missing so newlib can't be built." 1184 fi 1185 ;; 1186 i[[3456789]]86-*-pe) 1187 noconfigdirs="$noconfigdirs target-libgloss" 1188 ;; 1189 i[[3456789]]86-*-sco3.2v5*) 1190 # The linker does not yet know about weak symbols in COFF, 1191 # and is not configured to handle mixed ELF and COFF. 1192 noconfigdirs="$noconfigdirs ld target-libgloss" 1193 ;; 1194 i[[3456789]]86-*-sco*) 1195 noconfigdirs="$noconfigdirs gprof target-libgloss" 1196 ;; 1197 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*) 1198 noconfigdirs="$noconfigdirs target-libgloss" 1199 ;; 1200 i[[3456789]]86-*-sysv4*) 1201 noconfigdirs="$noconfigdirs target-libgloss" 1202 ;; 1203 i[[3456789]]86-*-beos*) 1204 noconfigdirs="$noconfigdirs gdb" 1205 ;; 1206 i[[3456789]]86-*-rdos*) 1207 noconfigdirs="$noconfigdirs gdb" 1208 ;; 1209 mmix-*-*) 1210 noconfigdirs="$noconfigdirs gdb" 1211 ;; 1212 mt-*-*) 1213 noconfigdirs="$noconfigdirs sim" 1214 ;; 1215 powerpc-*-aix*) 1216 # copied from rs6000-*-* entry 1217 noconfigdirs="$noconfigdirs gprof" 1218 ;; 1219 powerpc*-*-winnt* | powerpc*-*-pe*) 1220 target_configdirs="$target_configdirs target-winsup" 1221 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl" 1222 # always build newlib. 1223 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` 1224 ;; 1225 # This is temporary until we can link against shared libraries 1226 powerpcle-*-solaris*) 1227 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl" 1228 ;; 1229 powerpc-*-beos*) 1230 noconfigdirs="$noconfigdirs gdb" 1231 ;; 1232 rs6000-*-lynxos*) 1233 noconfigdirs="$noconfigdirs gprof" 1234 ;; 1235 rs6000-*-aix*) 1236 noconfigdirs="$noconfigdirs gprof" 1237 ;; 1238 rs6000-*-*) 1239 noconfigdirs="$noconfigdirs gprof" 1240 ;; 1241 m68k-apollo-*) 1242 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss" 1243 ;; 1244 microblaze*) 1245 noconfigdirs="$noconfigdirs gprof" 1246 ;; 1247 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*) 1248 if test x$with_newlib = xyes; then 1249 noconfigdirs="$noconfigdirs gprof" 1250 fi 1251 ;; 1252 mips*-*-irix5*) 1253 noconfigdirs="$noconfigdirs gprof target-libgloss" 1254 ;; 1255 mips*-*-irix6*) 1256 noconfigdirs="$noconfigdirs gprof target-libgloss" 1257 ;; 1258 mips*-*-bsd*) 1259 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss" 1260 ;; 1261 mips*-*-linux*) 1262 ;; 1263 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \ 1264 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*) 1265 noconfigdirs="$noconfigdirs ld gas gprof" 1266 ;; 1267 mips*-*-*) 1268 noconfigdirs="$noconfigdirs gprof" 1269 ;; 1270 nds32*-*-*) 1271 noconfigdirs="$noconfigdirs gdb" 1272 ;; 1273 nvptx*-*-*) 1274 noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc" 1275 ;; 1276 or1k*-*-*) 1277 noconfigdirs="$noconfigdirs gdb" 1278 ;; 1279 sh-*-* | sh64-*-*) 1280 case "${target}" in 1281 sh*-*-elf) 1282 ;; 1283 *) 1284 noconfigdirs="$noconfigdirs target-libgloss" ;; 1285 esac 1286 ;; 1287 sparc-*-sunos4*) 1288 if test x${is_cross_compiler} = xno ; then 1289 use_gnu_ld=no 1290 fi 1291 ;; 1292 tic6x-*-*) 1293 noconfigdirs="$noconfigdirs sim" 1294 ;; 1295 tilepro*-*-* | tilegx*-*-*) 1296 noconfigdirs="$noconfigdirs sim" 1297 ;; 1298 v810-*-*) 1299 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss" 1300 ;; 1301 vax-*-*) 1302 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1303 ;; 1304esac 1305 1306# If we aren't building newlib, then don't build libgloss, since libgloss 1307# depends upon some newlib header files. 1308case "${noconfigdirs}" in 1309 *target-libgloss*) ;; 1310 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;; 1311esac 1312 1313# Work in distributions that contain no compiler tools, like Autoconf. 1314host_makefile_frag=/dev/null 1315if test -d ${srcdir}/config ; then 1316case "${host}" in 1317 i[[3456789]]86-*-msdosdjgpp*) 1318 host_makefile_frag="config/mh-djgpp" 1319 ;; 1320 *-cygwin*) 1321 ACX_CHECK_CYGWIN_CAT_WORKS 1322 host_makefile_frag="config/mh-cygwin" 1323 ;; 1324 *-mingw*) 1325 host_makefile_frag="config/mh-mingw" 1326 ;; 1327 alpha*-linux*) 1328 host_makefile_frag="config/mh-alpha-linux" 1329 ;; 1330 hppa*-hp-hpux10*) 1331 host_makefile_frag="config/mh-pa-hpux10" 1332 ;; 1333 hppa*-hp-hpux*) 1334 host_makefile_frag="config/mh-pa" 1335 ;; 1336 hppa*-*) 1337 host_makefile_frag="config/mh-pa" 1338 ;; 1339 *-*-darwin*) 1340 host_makefile_frag="config/mh-darwin" 1341 ;; 1342 powerpc-*-aix*) 1343 host_makefile_frag="config/mh-ppc-aix" 1344 ;; 1345 rs6000-*-aix*) 1346 host_makefile_frag="config/mh-ppc-aix" 1347 ;; 1348esac 1349fi 1350 1351if test "${build}" != "${host}" ; then 1352 AR_FOR_BUILD=${AR_FOR_BUILD-ar} 1353 AS_FOR_BUILD=${AS_FOR_BUILD-as} 1354 CC_FOR_BUILD=${CC_FOR_BUILD-gcc} 1355 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++} 1356 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj} 1357 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran} 1358 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo} 1359 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool} 1360 LD_FOR_BUILD=${LD_FOR_BUILD-ld} 1361 NM_FOR_BUILD=${NM_FOR_BUILD-nm} 1362 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib} 1363 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres} 1364 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc} 1365else 1366 AR_FOR_BUILD="\$(AR)" 1367 AS_FOR_BUILD="\$(AS)" 1368 CC_FOR_BUILD="\$(CC)" 1369 CXX_FOR_BUILD="\$(CXX)" 1370 GCJ_FOR_BUILD="\$(GCJ)" 1371 GFORTRAN_FOR_BUILD="\$(GFORTRAN)" 1372 GOC_FOR_BUILD="\$(GOC)" 1373 DLLTOOL_FOR_BUILD="\$(DLLTOOL)" 1374 LD_FOR_BUILD="\$(LD)" 1375 NM_FOR_BUILD="\$(NM)" 1376 RANLIB_FOR_BUILD="\$(RANLIB)" 1377 WINDRES_FOR_BUILD="\$(WINDRES)" 1378 WINDMC_FOR_BUILD="\$(WINDMC)" 1379fi 1380 1381AC_PROG_CC 1382AC_PROG_CXX 1383 1384# We must set the default linker to the linker used by gcc for the correct 1385# operation of libtool. If LD is not defined and we are using gcc, try to 1386# set the LD default to the ld used by gcc. 1387if test -z "$LD"; then 1388 if test "$GCC" = yes; then 1389 case $build in 1390 *-*-mingw*) 1391 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;; 1392 *) 1393 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;; 1394 esac 1395 case $gcc_prog_ld in 1396 # Accept absolute paths. 1397 [[\\/]* | [A-Za-z]:[\\/]*)] 1398 LD="$gcc_prog_ld" ;; 1399 esac 1400 fi 1401fi 1402 1403# Check whether -static-libstdc++ -static-libgcc is supported. 1404have_static_libs=no 1405if test "$GCC" = yes; then 1406 saved_LDFLAGS="$LDFLAGS" 1407 1408 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc" 1409 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc]) 1410 AC_LANG_PUSH(C++) 1411 AC_LINK_IFELSE([ 1412#if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5) 1413#error -static-libstdc++ not implemented 1414#endif 1415int main() {}], 1416 [AC_MSG_RESULT([yes]); have_static_libs=yes], 1417 [AC_MSG_RESULT([no])]) 1418 AC_LANG_POP(C++) 1419 1420 LDFLAGS="$saved_LDFLAGS" 1421fi 1422 1423ACX_PROG_GNAT 1424ACX_PROG_CMP_IGNORE_INITIAL 1425 1426AC_ARG_ENABLE([bootstrap], 1427[AS_HELP_STRING([--enable-bootstrap], 1428 [enable bootstrapping @<:@yes if native build@:>@])],, 1429enable_bootstrap=default) 1430 1431# Issue errors and warnings for invalid/strange bootstrap combinations. 1432if test -r $srcdir/gcc/configure; then 1433 have_compiler=yes 1434else 1435 have_compiler=no 1436fi 1437 1438case "$have_compiler:$host:$target:$enable_bootstrap" in 1439 *:*:*:no) ;; 1440 1441 # Default behavior. Enable bootstrap if we have a compiler 1442 # and we are in a native configuration. 1443 yes:$build:$build:default) 1444 enable_bootstrap=yes ;; 1445 1446 *:*:*:default) 1447 enable_bootstrap=no ;; 1448 1449 # We have a compiler and we are in a native configuration, bootstrap is ok 1450 yes:$build:$build:yes) 1451 ;; 1452 1453 # Other configurations, but we have a compiler. Assume the user knows 1454 # what he's doing. 1455 yes:*:*:yes) 1456 AC_MSG_WARN([trying to bootstrap a cross compiler]) 1457 ;; 1458 1459 # No compiler: if they passed --enable-bootstrap explicitly, fail 1460 no:*:*:yes) 1461 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;; 1462 1463 # Fail if wrong command line 1464 *) 1465 AC_MSG_ERROR([invalid option for --enable-bootstrap]) 1466 ;; 1467esac 1468 1469# When bootstrapping with GCC, build stage 1 in C++98 mode to ensure that a 1470# C++98 compiler can still start the bootstrap. 1471if test "$enable_bootstrap:$GXX" = "yes:yes"; then 1472 CXX="$CXX -std=gnu++98" 1473fi 1474 1475# Used for setting $lt_cv_objdir 1476_LT_CHECK_OBJDIR 1477 1478# Check for GMP, MPFR and MPC 1479gmplibs="-lmpc -lmpfr -lgmp" 1480gmpinc= 1481have_gmp=no 1482 1483# Specify a location for mpc 1484# check for this first so it ends up on the link line before mpfr. 1485AC_ARG_WITH(mpc, 1486[AS_HELP_STRING([--with-mpc=PATH], 1487 [specify prefix directory for installed MPC package. 1488 Equivalent to --with-mpc-include=PATH/include 1489 plus --with-mpc-lib=PATH/lib])]) 1490AC_ARG_WITH(mpc-include, 1491[AS_HELP_STRING([--with-mpc-include=PATH], 1492 [specify directory for installed MPC include files])]) 1493AC_ARG_WITH(mpc-lib, 1494[AS_HELP_STRING([--with-mpc-lib=PATH], 1495 [specify directory for the installed MPC library])]) 1496 1497if test "x$with_mpc" != x; then 1498 gmplibs="-L$with_mpc/lib $gmplibs" 1499 gmpinc="-I$with_mpc/include $gmpinc" 1500fi 1501if test "x$with_mpc_include" != x; then 1502 gmpinc="-I$with_mpc_include $gmpinc" 1503fi 1504if test "x$with_mpc_lib" != x; then 1505 gmplibs="-L$with_mpc_lib $gmplibs" 1506fi 1507if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then 1508 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs" 1509 gmpinc='-I$$s/mpc/src '"$gmpinc" 1510 # Do not test the mpc version. Assume that it is sufficient, since 1511 # it is in the source tree, and the library has not been built yet 1512 # but it would be included on the link line in the version check below 1513 # hence making the test fail. 1514 have_gmp=yes 1515fi 1516 1517# Specify a location for mpfr 1518# check for this first so it ends up on the link line before gmp. 1519AC_ARG_WITH(mpfr-dir, 1520[AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])], 1521[AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed. 1522Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])]) 1523 1524AC_ARG_WITH(mpfr, 1525[AS_HELP_STRING([--with-mpfr=PATH], 1526 [specify prefix directory for installed MPFR package. 1527 Equivalent to --with-mpfr-include=PATH/include 1528 plus --with-mpfr-lib=PATH/lib])]) 1529AC_ARG_WITH(mpfr-include, 1530[AS_HELP_STRING([--with-mpfr-include=PATH], 1531 [specify directory for installed MPFR include files])]) 1532AC_ARG_WITH(mpfr-lib, 1533[AS_HELP_STRING([--with-mpfr-lib=PATH], 1534 [specify directory for the installed MPFR library])]) 1535 1536if test "x$with_mpfr" != x; then 1537 gmplibs="-L$with_mpfr/lib $gmplibs" 1538 gmpinc="-I$with_mpfr/include $gmpinc" 1539fi 1540if test "x$with_mpfr_include" != x; then 1541 gmpinc="-I$with_mpfr_include $gmpinc" 1542fi 1543if test "x$with_mpfr_lib" != x; then 1544 gmplibs="-L$with_mpfr_lib $gmplibs" 1545fi 1546if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then 1547 # MPFR v3.1.0 moved the sources into a src sub-directory. 1548 if test -d ${srcdir}/mpfr/src; then 1549 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs" 1550 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc" 1551 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir" 1552 else 1553 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs" 1554 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc" 1555 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir" 1556 fi 1557 # Do not test the mpfr version. Assume that it is sufficient, since 1558 # it is in the source tree, and the library has not been built yet 1559 # but it would be included on the link line in the version check below 1560 # hence making the test fail. 1561 have_gmp=yes 1562fi 1563 1564# Specify a location for gmp 1565AC_ARG_WITH(gmp-dir, 1566[AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])], 1567[AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed. 1568Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])]) 1569 1570AC_ARG_WITH(gmp, 1571[AS_HELP_STRING([--with-gmp=PATH], 1572 [specify prefix directory for the installed GMP package. 1573 Equivalent to --with-gmp-include=PATH/include 1574 plus --with-gmp-lib=PATH/lib])]) 1575AC_ARG_WITH(gmp-include, 1576[AS_HELP_STRING([--with-gmp-include=PATH], 1577 [specify directory for installed GMP include files])]) 1578AC_ARG_WITH(gmp-lib, 1579[AS_HELP_STRING([--with-gmp-lib=PATH], 1580 [specify directory for the installed GMP library])]) 1581 1582 1583if test "x$with_gmp" != x; then 1584 gmplibs="-L$with_gmp/lib $gmplibs" 1585 gmpinc="-I$with_gmp/include $gmpinc" 1586fi 1587if test "x$with_gmp_include" != x; then 1588 gmpinc="-I$with_gmp_include $gmpinc" 1589fi 1590if test "x$with_gmp_lib" != x; then 1591 gmplibs="-L$with_gmp_lib $gmplibs" 1592fi 1593if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then 1594 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs" 1595 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc" 1596 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir" 1597 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir" 1598 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp' 1599 # Do not test the gmp version. Assume that it is sufficient, since 1600 # it is in the source tree, and the library has not been built yet 1601 # but it would be included on the link line in the version check below 1602 # hence making the test fail. 1603 have_gmp=yes 1604fi 1605 1606if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then 1607 have_gmp=yes 1608 saved_CFLAGS="$CFLAGS" 1609 CFLAGS="$CFLAGS $gmpinc" 1610 # Check for the recommended and required versions of GMP. 1611 AC_MSG_CHECKING([for the correct version of gmp.h]) 1612 AC_TRY_COMPILE([#include "gmp.h"],[ 1613 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) 1614 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) 1615 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3) 1616 choke me 1617 #endif 1618 ], [AC_TRY_COMPILE([#include <gmp.h>],[ 1619 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) 1620 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) 1621 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2) 1622 choke me 1623 #endif 1624 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1625 [AC_MSG_RESULT([no]); have_gmp=no]) 1626 1627 # If we have GMP, check the MPFR version. 1628 if test x"$have_gmp" = xyes; then 1629 # Check for the recommended and required versions of MPFR. 1630 AC_MSG_CHECKING([for the correct version of mpfr.h]) 1631 AC_TRY_COMPILE([#include <gmp.h> 1632 #include <mpfr.h>],[ 1633 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0) 1634 choke me 1635 #endif 1636 ], [AC_TRY_COMPILE([#include <gmp.h> 1637 #include <mpfr.h>],[ 1638 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2) 1639 choke me 1640 #endif 1641 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1642 [AC_MSG_RESULT([no]); have_gmp=no]) 1643 fi 1644 1645 # Check for the MPC header version. 1646 if test x"$have_gmp" = xyes ; then 1647 # Check for the recommended and required versions of MPC. 1648 AC_MSG_CHECKING([for the correct version of mpc.h]) 1649 AC_TRY_COMPILE([#include <mpc.h>],[ 1650 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0) 1651 choke me 1652 #endif 1653 ], [AC_TRY_COMPILE([#include <mpc.h>],[ 1654 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1) 1655 choke me 1656 #endif 1657 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1658 [AC_MSG_RESULT([no]); have_gmp=no]) 1659 fi 1660 1661 # Now check the MPFR library. 1662 if test x"$have_gmp" = xyes; then 1663 saved_LIBS="$LIBS" 1664 LIBS="$LIBS $gmplibs" 1665 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries]) 1666 AC_TRY_LINK([#include <mpc.h>],[ 1667 mpfr_t n; 1668 mpfr_t x; 1669 mpc_t c; 1670 int t; 1671 mpfr_init (n); 1672 mpfr_init (x); 1673 mpfr_atan2 (n, n, x, GMP_RNDN); 1674 mpfr_erfc (n, x, GMP_RNDN); 1675 mpfr_subnormalize (x, t, GMP_RNDN); 1676 mpfr_clear(n); 1677 mpfr_clear(x); 1678 mpc_init2 (c, 53); 1679 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN); 1680 mpc_cosh (c, c, MPC_RNDNN); 1681 mpc_pow (c, c, c, MPC_RNDNN); 1682 mpc_acosh (c, c, MPC_RNDNN); 1683 mpc_clear (c); 1684 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no]) 1685 LIBS="$saved_LIBS" 1686 fi 1687 1688 CFLAGS="$saved_CFLAGS" 1689 1690# The library versions listed in the error message below should match 1691# the HARD-minimums enforced above. 1692 if test x$have_gmp != xyes; then 1693 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+. 1694Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify 1695their locations. Source code for these libraries can be found at 1696their respective hosting sites as well as at 1697ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also 1698http://gcc.gnu.org/install/prerequisites.html for additional info. If 1699you obtained GMP, MPFR and/or MPC from a vendor distribution package, 1700make sure that you have installed both the libraries and the header 1701files. They may be located in separate packages.]) 1702 fi 1703fi 1704 1705# Flags needed for both GMP, MPFR and/or MPC. 1706AC_SUBST(gmplibs) 1707AC_SUBST(gmpinc) 1708AC_SUBST(extra_mpfr_configure_flags) 1709AC_SUBST(extra_mpc_gmp_configure_flags) 1710AC_SUBST(extra_mpc_mpfr_configure_flags) 1711AC_SUBST(extra_isl_gmp_configure_flags) 1712 1713# Libraries to use for stage1 or when not bootstrapping. 1714AC_ARG_WITH(stage1-libs, 1715[AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])], 1716[if test "$withval" = "no" -o "$withval" = "yes"; then 1717 stage1_libs= 1718 else 1719 stage1_libs=$withval 1720 fi], 1721[stage1_libs=]) 1722AC_SUBST(stage1_libs) 1723 1724# Linker flags to use for stage1 or when not bootstrapping. 1725AC_ARG_WITH(stage1-ldflags, 1726[AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])], 1727[if test "$withval" = "no" -o "$withval" = "yes"; then 1728 stage1_ldflags= 1729 else 1730 stage1_ldflags=$withval 1731 fi], 1732[stage1_ldflags= 1733 # In stage 1, default to linking libstdc++ and libgcc statically with GCC 1734 # if supported. But if the user explicitly specified the libraries to use, 1735 # trust that they are doing what they want. 1736 if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then 1737 stage1_ldflags="-static-libstdc++ -static-libgcc" 1738 fi]) 1739AC_SUBST(stage1_ldflags) 1740 1741# Libraries to use for stage2 and later builds. 1742AC_ARG_WITH(boot-libs, 1743[AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])], 1744[if test "$withval" = "no" -o "$withval" = "yes"; then 1745 poststage1_libs= 1746 else 1747 poststage1_libs=$withval 1748 fi], 1749[poststage1_libs=]) 1750AC_SUBST(poststage1_libs) 1751 1752# Linker flags to use for stage2 and later builds. 1753AC_ARG_WITH(boot-ldflags, 1754[AS_HELP_STRING([--with-boot-ldflags=FLAGS], 1755 [linker flags for stage2 and later])], 1756[if test "$withval" = "no" -o "$withval" = "yes"; then 1757 poststage1_ldflags= 1758 else 1759 poststage1_ldflags=$withval 1760 fi], 1761[poststage1_ldflags= 1762 # In stages 2 and 3, default to linking libstdc++ and libgcc 1763 # statically. But if the user explicitly specified the libraries to 1764 # use, trust that they are doing what they want. 1765 if test "$poststage1_libs" = ""; then 1766 poststage1_ldflags="-static-libstdc++ -static-libgcc" 1767 fi]) 1768AC_SUBST(poststage1_ldflags) 1769 1770# GCC GRAPHITE dependency ISL. 1771# Basic setup is inlined here, actual checks are in config/isl.m4 1772 1773AC_ARG_WITH(isl, 1774 [AS_HELP_STRING( 1775 [--with-isl=PATH], 1776 [Specify prefix directory for the installed ISL package. 1777 Equivalent to --with-isl-include=PATH/include 1778 plus --with-isl-lib=PATH/lib])]) 1779 1780# Treat --without-isl as a request to disable 1781# GRAPHITE support and skip all following checks. 1782if test "x$with_isl" != "xno"; then 1783 # Check for ISL 1784 dnl Provide configure switches and initialize islinc & isllibs 1785 dnl with user input. 1786 ISL_INIT_FLAGS 1787 dnl The versions of ISL that work for Graphite 1788 ISL_CHECK_VERSION() 1789 dnl Only execute fail-action, if ISL has been requested. 1790 ISL_IF_FAILED([ 1791 AC_MSG_ERROR([Unable to find a usable ISL. See config.log for details.])]) 1792fi 1793 1794# If the ISL check failed, disable builds of in-tree variant of ISL 1795if test "x$with_isl" = xno || 1796 test "x$gcc_cv_isl" = xno; then 1797 noconfigdirs="$noconfigdirs isl" 1798 islinc= 1799fi 1800 1801AC_SUBST(isllibs) 1802AC_SUBST(islinc) 1803 1804# Check for LTO support. 1805AC_ARG_ENABLE(lto, 1806[AS_HELP_STRING([--enable-lto], [enable link time optimization support])], 1807enable_lto=$enableval, 1808enable_lto=yes; default_enable_lto=yes) 1809 1810ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always. 1811 build_lto_plugin=yes 1812],[if test x"$default_enable_lto" = x"yes" ; then 1813 case $target in 1814 *-apple-darwin9* | *-cygwin* | *-mingw*) ;; 1815 # On other non-ELF platforms, LTO has yet to be validated. 1816 *) enable_lto=no ;; 1817 esac 1818 else 1819 # Apart from ELF platforms, only Windows and Darwin support LTO so far. 1820 # It would also be nice to check the binutils support, but we don't 1821 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just 1822 # warn during gcc/ subconfigure; unless you're bootstrapping with 1823 # -flto it won't be needed until after installation anyway. 1824 case $target in 1825 *-cygwin* | *-mingw* | *-apple-darwin*) ;; 1826 *) if test x"$enable_lto" = x"yes"; then 1827 AC_MSG_ERROR([LTO support is not enabled for this target.]) 1828 fi 1829 ;; 1830 esac 1831 fi 1832 # Among non-ELF, only Windows platforms support the lto-plugin so far. 1833 # Build it unless LTO was explicitly disabled. 1834 case $target in 1835 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;; 1836 *) ;; 1837 esac 1838]) 1839 1840AC_ARG_ENABLE(linker-plugin-configure-flags, 1841 [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]], 1842 [additional flags for configuring linker plugins @<:@none@:>@])], 1843 extra_linker_plugin_configure_flags=$enableval, 1844 extra_linker_plugin_configure_flags=) 1845AC_SUBST(extra_linker_plugin_configure_flags) 1846AC_ARG_ENABLE(linker-plugin-flags, 1847 [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]], 1848 [additional flags for configuring and building linker plugins @<:@none@:>@])], 1849 extra_linker_plugin_flags=$enableval, 1850 extra_linker_plugin_flags=) 1851AC_SUBST(extra_linker_plugin_flags) 1852 1853 1854# By default, C and C++ are the only stage 1 languages. 1855stage1_languages=,c, 1856 1857# Target libraries that we bootstrap. 1858bootstrap_target_libs=,target-libgcc, 1859 1860# Figure out what language subdirectories are present. 1861# Look if the user specified --enable-languages="..."; if not, use 1862# the environment variable $LANGUAGES if defined. $LANGUAGES might 1863# go away some day. 1864# NB: embedded tabs in this IF block -- do not untabify 1865if test -d ${srcdir}/gcc; then 1866 if test x"${enable_languages+set}" != xset; then 1867 if test x"${LANGUAGES+set}" = xset; then 1868 enable_languages="${LANGUAGES}" 1869 echo configure.ac: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2 1870 else 1871 enable_languages=all 1872 fi 1873 else 1874 if test x"${enable_languages}" = x || 1875 test x"${enable_languages}" = xyes; 1876 then 1877 echo configure.ac: --enable-languages needs at least one language argument 1>&2 1878 exit 1 1879 fi 1880 fi 1881 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'` 1882 1883 # 'f95' is the old name for the 'fortran' language. We issue a warning 1884 # and make the substitution. 1885 case ,${enable_languages}, in 1886 *,f95,*) 1887 echo configure.ac: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2 1888 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'` 1889 ;; 1890 esac 1891 1892 # If bootstrapping, C++ must be enabled. 1893 case ",$enable_languages,:$enable_bootstrap" in 1894 *,c++,*:*) ;; 1895 *:yes) 1896 if test -f ${srcdir}/gcc/cp/config-lang.in; then 1897 enable_languages="${enable_languages},c++" 1898 else 1899 AC_MSG_ERROR([bootstrapping requires c++ sources]) 1900 fi 1901 ;; 1902 esac 1903 1904 # First scan to see if an enabled language requires some other language. 1905 # We assume that a given config-lang.in will list all the language 1906 # front ends it requires, even if some are required indirectly. 1907 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do 1908 case ${lang_frag} in 1909 ..) ;; 1910 # The odd quoting in the next line works around 1911 # an apparent bug in bash 1.12 on linux. 1912 ${srcdir}/gcc/[[*]]/config-lang.in) ;; 1913 *) 1914 # From the config-lang.in, get $language, $lang_requires, and 1915 # $lang_requires_boot_languages. 1916 language= 1917 lang_requires= 1918 lang_requires_boot_languages= 1919 . ${lang_frag} 1920 for other in ${lang_requires} ${lang_requires_boot_languages}; do 1921 case ,${enable_languages}, in 1922 *,$other,*) ;; 1923 *,all,*) ;; 1924 *,$language,*) 1925 echo " \`$other' language required by \`$language'; enabling" 1>&2 1926 enable_languages="${enable_languages},${other}" 1927 ;; 1928 esac 1929 done 1930 for other in ${lang_requires_boot_languages} ; do 1931 if test "$other" != "c"; then 1932 case ,${enable_stage1_languages}, in 1933 *,$other,*) ;; 1934 *,all,*) ;; 1935 *) 1936 case ,${enable_languages}, in 1937 *,$language,*) 1938 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2 1939 enable_stage1_languages="$enable_stage1_languages,${other}" 1940 ;; 1941 esac 1942 ;; 1943 esac 1944 fi 1945 done 1946 ;; 1947 esac 1948 done 1949 1950 new_enable_languages=,c, 1951 1952 # If LTO is enabled, add the LTO front end. 1953 if test "$enable_lto" = "yes" ; then 1954 case ,${enable_languages}, in 1955 *,lto,*) ;; 1956 *) enable_languages="${enable_languages},lto" ;; 1957 esac 1958 if test "${build_lto_plugin}" = "yes" ; then 1959 configdirs="$configdirs lto-plugin" 1960 fi 1961 fi 1962 1963 # If we're building an offloading compiler, add the LTO front end. 1964 if test x"$enable_as_accelerator_for" != x ; then 1965 case ,${enable_languages}, in 1966 *,lto,*) ;; 1967 *) enable_languages="${enable_languages},lto" ;; 1968 esac 1969 fi 1970 1971 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ ` 1972 potential_languages=,c, 1973 1974 enabled_target_libs= 1975 disabled_target_libs= 1976 1977 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do 1978 case ${lang_frag} in 1979 ..) ;; 1980 # The odd quoting in the next line works around 1981 # an apparent bug in bash 1.12 on linux. 1982 ${srcdir}/gcc/[[*]]/config-lang.in) ;; 1983 *) 1984 # From the config-lang.in, get $language, $target_libs, 1985 # $lang_dirs, $boot_language, and $build_by_default 1986 language= 1987 target_libs= 1988 lang_dirs= 1989 subdir_requires= 1990 boot_language=no 1991 build_by_default=yes 1992 . ${lang_frag} 1993 if test x${language} = x; then 1994 echo "${lang_frag} doesn't set \$language." 1>&2 1995 exit 1 1996 fi 1997 1998 if test "$language" = "c++"; then 1999 boot_language=yes 2000 fi 2001 2002 add_this_lang=no 2003 case ,${enable_languages}, in 2004 *,${language},*) 2005 # Language was explicitly selected; include it 2006 # unless it is C, which is enabled by default. 2007 if test "$language" != "c"; then 2008 add_this_lang=yes 2009 fi 2010 ;; 2011 *,all,*) 2012 # 'all' was selected, select it if it is a default language 2013 if test "$language" != "c"; then 2014 add_this_lang=${build_by_default} 2015 fi 2016 ;; 2017 esac 2018 2019 # Disable languages that need other directories if these aren't available. 2020 for i in $subdir_requires; do 2021 test -f "$srcdir/gcc/$i/config-lang.in" && continue 2022 case ,${enable_languages}, in 2023 *,${language},*) 2024 # Specifically requested language; tell them. 2025 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing]) 2026 ;; 2027 *) 2028 # Silently disable. 2029 add_this_lang=unsupported 2030 ;; 2031 esac 2032 done 2033 2034 # Disable Ada if no preexisting GNAT is available. 2035 case ,${enable_languages},:${language}:${have_gnat} in 2036 *,${language},*:ada:no) 2037 # Specifically requested language; tell them. 2038 AC_MSG_ERROR([GNAT is required to build $language]) 2039 ;; 2040 *:ada:no) 2041 # Silently disable. 2042 add_this_lang=unsupported 2043 ;; 2044 esac 2045 2046 # Disable a language that is unsupported by the target. 2047 case " $unsupported_languages " in 2048 *" $language "*) 2049 add_this_lang=unsupported 2050 ;; 2051 esac 2052 2053 case $add_this_lang in 2054 unsupported) 2055 # Remove language-dependent dirs. 2056 disabled_target_libs="$disabled_target_libs $target_libs" 2057 noconfigdirs="$noconfigdirs $lang_dirs" 2058 ;; 2059 no) 2060 # Remove language-dependent dirs; still show language as supported. 2061 disabled_target_libs="$disabled_target_libs $target_libs" 2062 noconfigdirs="$noconfigdirs $lang_dirs" 2063 potential_languages="${potential_languages}${language}," 2064 ;; 2065 yes) 2066 new_enable_languages="${new_enable_languages}${language}," 2067 potential_languages="${potential_languages}${language}," 2068 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"` 2069 enabled_target_libs="$enabled_target_libs $target_libs" 2070 case "${boot_language}:,$enable_stage1_languages," in 2071 yes:* | *:*,$language,* | *:*,yes, | *:*,all,) 2072 # Add to (comma-separated) list of stage 1 languages. 2073 case ",$stage1_languages," in 2074 *,$language,* | ,yes, | ,all,) ;; 2075 *) stage1_languages="${stage1_languages}${language}," ;; 2076 esac 2077 # We need to bootstrap any supporting libraries. 2078 bootstrap_target_libs="${bootstrap_target_libs}${target_libs}," 2079 ;; 2080 esac 2081 ;; 2082 esac 2083 ;; 2084 esac 2085 done 2086 2087 # Add target libraries which are only needed for disabled languages 2088 # to noconfigdirs. 2089 if test -n "$disabled_target_libs"; then 2090 for dir in $disabled_target_libs; do 2091 case " $enabled_target_libs " in 2092 *" ${dir} "*) ;; 2093 *) noconfigdirs="$noconfigdirs $dir" ;; 2094 esac 2095 done 2096 fi 2097 2098 AC_ARG_ENABLE(stage1-languages, 2099 [AS_HELP_STRING([[--enable-stage1-languages[=all]]], 2100 [choose additional languages to build during 2101 stage1. Mostly useful for compiler development])], 2102 [case ,${enable_stage1_languages}, in 2103 ,no,|,,) 2104 # Set it to something that will have no effect in the loop below 2105 enable_stage1_languages=c ;; 2106 ,yes,) 2107 enable_stage1_languages=`echo $new_enable_languages | \ 2108 sed -e "s/^,//" -e "s/,$//" ` ;; 2109 *,all,*) 2110 enable_stage1_languages=`echo ,$enable_stage1_languages, | \ 2111 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;; 2112 esac 2113 2114 # Add "good" languages from enable_stage1_languages to stage1_languages, 2115 # while "bad" languages go in missing_languages. Leave no duplicates. 2116 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do 2117 case $potential_languages in 2118 *,$i,*) 2119 case $stage1_languages in 2120 *,$i,*) ;; 2121 *) stage1_languages="$stage1_languages$i," ;; 2122 esac ;; 2123 *) 2124 case $missing_languages in 2125 *,$i,*) ;; 2126 *) missing_languages="$missing_languages$i," ;; 2127 esac ;; 2128 esac 2129 done]) 2130 2131 # Remove leading/trailing commas that were added for simplicity 2132 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"` 2133 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"` 2134 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"` 2135 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"` 2136 2137 if test "x$missing_languages" != x; then 2138 AC_MSG_ERROR([ 2139The following requested languages could not be built: ${missing_languages} 2140Supported languages are: ${potential_languages}]) 2141 fi 2142 if test "x$new_enable_languages" != "x$enable_languages"; then 2143 echo The following languages will be built: ${new_enable_languages} 2144 enable_languages="$new_enable_languages" 2145 fi 2146 2147 AC_SUBST(stage1_languages) 2148 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" ` 2149fi 2150 2151# Handle --disable-<component> generically. 2152for dir in $configdirs $build_configdirs $target_configdirs ; do 2153 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g` 2154 varname=`echo $dirname | sed -e s/+/_/g` 2155 if eval test x\${enable_${varname}} "=" xno ; then 2156 noconfigdirs="$noconfigdirs $dir" 2157 fi 2158done 2159 2160# Check for Boehm's garbage collector 2161AC_ARG_ENABLE(objc-gc, 2162[AS_HELP_STRING([--enable-objc-gc], 2163 [enable use of Boehm's garbage collector with the 2164 GNU Objective-C runtime])], 2165[case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in 2166 *,objc,*:*:yes:*target-boehm-gc*) 2167 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration]) 2168 ;; 2169esac]) 2170 2171# Make sure we only build Boehm's garbage collector if required. 2172case ,${enable_languages},:${enable_objc_gc} in 2173 *,objc,*:yes) 2174 # Keep target-boehm-gc if requested for Objective-C. 2175 ;; 2176 *) 2177 # Otherwise remove target-boehm-gc depending on target-libjava. 2178 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then 2179 noconfigdirs="$noconfigdirs target-boehm-gc" 2180 fi 2181 ;; 2182esac 2183 2184# Disable libcilkrts, libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++ 2185case ,${enable_languages}, in 2186 *,c++,*) 2187 # Disable libcilkrts, libitm, libsanitizer if we're not building libstdc++ 2188 case "${noconfigdirs}" in 2189 *target-libstdc++-v3*) 2190 noconfigdirs="$noconfigdirs target-libcilkrts target-libitm target-libsanitizer" 2191 ;; 2192 *) ;; 2193 esac 2194 ;; 2195 *) 2196 noconfigdirs="$noconfigdirs target-libcilkrts target-liboffloadmic target-libitm target-libsanitizer target-libvtv" 2197 ;; 2198esac 2199 2200# Remove the entries in $skipdirs and $noconfigdirs from $configdirs, 2201# $build_configdirs and $target_configdirs. 2202# If we have the source for $noconfigdirs entries, add them to $notsupp. 2203 2204notsupp="" 2205for dir in . $skipdirs $noconfigdirs ; do 2206 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g` 2207 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2208 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"` 2209 if test -r $srcdir/$dirname/configure ; then 2210 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2211 true 2212 else 2213 notsupp="$notsupp $dir" 2214 fi 2215 fi 2216 fi 2217 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2218 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"` 2219 if test -r $srcdir/$dirname/configure ; then 2220 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2221 true 2222 else 2223 notsupp="$notsupp $dir" 2224 fi 2225 fi 2226 fi 2227 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2228 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"` 2229 if test -r $srcdir/$dirname/configure ; then 2230 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2231 true 2232 else 2233 notsupp="$notsupp $dir" 2234 fi 2235 fi 2236 fi 2237done 2238 2239# Quietly strip out all directories which aren't configurable in this tree. 2240# This relies on all configurable subdirectories being autoconfiscated, which 2241# is now the case. 2242build_configdirs_all="$build_configdirs" 2243build_configdirs= 2244for i in ${build_configdirs_all} ; do 2245 j=`echo $i | sed -e s/build-//g` 2246 if test -f ${srcdir}/$j/configure ; then 2247 build_configdirs="${build_configdirs} $i" 2248 fi 2249done 2250 2251configdirs_all="$configdirs" 2252configdirs= 2253for i in ${configdirs_all} ; do 2254 if test -f ${srcdir}/$i/configure ; then 2255 configdirs="${configdirs} $i" 2256 fi 2257done 2258 2259target_configdirs_all="$target_configdirs" 2260target_configdirs= 2261for i in ${target_configdirs_all} ; do 2262 j=`echo $i | sed -e s/target-//g` 2263 if test -f ${srcdir}/$j/configure ; then 2264 target_configdirs="${target_configdirs} $i" 2265 fi 2266done 2267 2268# Exclude target-zlib if target-libjava isn't built. 2269case ${target_configdirs} in 2270*target-libjava*) 2271 ;; 2272*) 2273 target_configdirs="`echo ${target_configdirs} | sed -e 's/target-zlib//'`" 2274 ;; 2275esac 2276 2277# libiberty-linker-plugin is special: it doesn't have its own source directory, 2278# so we have to add it after the preceding checks. 2279if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x 2280then 2281 case " $configdirs " in 2282 *" libiberty "*) 2283 # If we can build libiberty, we can also build libiberty-linker-plugin. 2284 configdirs="$configdirs libiberty-linker-plugin" 2285 extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \ 2286 --with-libiberty=../libiberty-linker-plugin";; 2287 *) 2288 AC_MSG_ERROR([libiberty missing]);; 2289 esac 2290fi 2291 2292# Sometimes we have special requirements for the host libiberty. 2293extra_host_libiberty_configure_flags= 2294extra_host_zlib_configure_flags= 2295case " $configdirs " in 2296 *" lto-plugin "* | *" libcc1 "*) 2297 # When these are to be built as shared libraries, the same applies to 2298 # libiberty. 2299 extra_host_libiberty_configure_flags=--enable-shared 2300 ;; 2301 *" bfd "*) 2302 # When bfd is to be built as a shared library, the same applies to 2303 # zlib. 2304 if test "$enable_shared" = "yes"; then 2305 extra_host_zlib_configure_flags=--enable-host-shared 2306 fi 2307 ;; 2308esac 2309AC_SUBST(extra_host_libiberty_configure_flags) 2310AC_SUBST(extra_host_zlib_configure_flags) 2311 2312# Produce a warning message for the subdirs we can't configure. 2313# This isn't especially interesting in the Cygnus tree, but in the individual 2314# FSF releases, it's important to let people know when their machine isn't 2315# supported by the one or two programs in a package. 2316 2317if test -n "${notsupp}" && test -z "${norecursion}" ; then 2318 # If $appdirs is non-empty, at least one of those directories must still 2319 # be configured, or we error out. (E.g., if the gas release supports a 2320 # specified target in some subdirs but not the gas subdir, we shouldn't 2321 # pretend that all is well.) 2322 if test -n "$appdirs" ; then 2323 for dir in $appdirs ; do 2324 if test -r $dir/Makefile.in ; then 2325 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2326 appdirs="" 2327 break 2328 fi 2329 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then 2330 appdirs="" 2331 break 2332 fi 2333 fi 2334 done 2335 if test -n "$appdirs" ; then 2336 echo "*** This configuration is not supported by this package." 1>&2 2337 exit 1 2338 fi 2339 fi 2340 # Okay, some application will build, or we don't care to check. Still 2341 # notify of subdirs not getting built. 2342 echo "*** This configuration is not supported in the following subdirectories:" 1>&2 2343 echo " ${notsupp}" 1>&2 2344 echo " (Any other directories should still work fine.)" 1>&2 2345fi 2346 2347case "$host" in 2348 *msdosdjgpp*) 2349 enable_gdbtk=no ;; 2350esac 2351 2352# To find our prefix, in gcc_cv_tool_prefix. 2353ACX_TOOL_DIRS 2354 2355copy_dirs= 2356 2357AC_ARG_WITH([build-sysroot], 2358 [AS_HELP_STRING([--with-build-sysroot=SYSROOT], 2359 [use sysroot as the system root during the build])], 2360 [if test x"$withval" != x ; then 2361 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval" 2362 fi], 2363 [SYSROOT_CFLAGS_FOR_TARGET=]) 2364AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET) 2365 2366AC_ARG_WITH([debug-prefix-map], 2367 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'], 2368 [map A to B, C to D ... in debug information])], 2369 [if test x"$withval" != x; then 2370 DEBUG_PREFIX_CFLAGS_FOR_TARGET= 2371 for debug_map in $withval; do 2372 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map" 2373 done 2374 fi], 2375 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=]) 2376AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET) 2377 2378# During gcc bootstrap, if we use some random cc for stage1 then CFLAGS 2379# might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS 2380# might also be empty (or "-g", if a non-GCC C++ compiler is in the path). 2381# We want to ensure that TARGET libraries (which we know are built with 2382# gcc) are built with "-O2 -g", so include those options when setting 2383# CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET. 2384if test "x$CFLAGS_FOR_TARGET" = x; then 2385 if test "x${is_cross_compiler}" = xyes; then 2386 CFLAGS_FOR_TARGET="-g -O2" 2387 else 2388 CFLAGS_FOR_TARGET=$CFLAGS 2389 case " $CFLAGS " in 2390 *" -O2 "*) ;; 2391 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;; 2392 esac 2393 case " $CFLAGS " in 2394 *" -g "* | *" -g3 "*) ;; 2395 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;; 2396 esac 2397 fi 2398fi 2399AC_SUBST(CFLAGS_FOR_TARGET) 2400 2401if test "x$CXXFLAGS_FOR_TARGET" = x; then 2402 if test "x${is_cross_compiler}" = xyes; then 2403 CXXFLAGS_FOR_TARGET="-g -O2" 2404 else 2405 CXXFLAGS_FOR_TARGET=$CXXFLAGS 2406 case " $CXXFLAGS " in 2407 *" -O2 "*) ;; 2408 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;; 2409 esac 2410 case " $CXXFLAGS " in 2411 *" -g "* | *" -g3 "*) ;; 2412 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;; 2413 esac 2414 fi 2415fi 2416AC_SUBST(CXXFLAGS_FOR_TARGET) 2417 2418AC_SUBST(LDFLAGS_FOR_TARGET) 2419 2420# Handle --with-headers=XXX. If the value is not "yes", the contents of 2421# the named directory are copied to $(tooldir)/sys-include. 2422if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then 2423 if test x${is_cross_compiler} = xno ; then 2424 echo 1>&2 '***' --with-headers is only supported when cross compiling 2425 exit 1 2426 fi 2427 if test x"${with_headers}" != xyes ; then 2428 x=${gcc_cv_tool_prefix} 2429 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include" 2430 fi 2431fi 2432 2433# Handle --with-libs=XXX. If the value is not "yes", the contents of 2434# the name directories are copied to $(tooldir)/lib. Multiple directories 2435# are permitted. 2436if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then 2437 if test x${is_cross_compiler} = xno ; then 2438 echo 1>&2 '***' --with-libs is only supported when cross compiling 2439 exit 1 2440 fi 2441 if test x"${with_libs}" != xyes ; then 2442 # Copy the libraries in reverse order, so that files in the first named 2443 # library override files in subsequent libraries. 2444 x=${gcc_cv_tool_prefix} 2445 for l in ${with_libs}; do 2446 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}" 2447 done 2448 fi 2449fi 2450 2451# Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate. 2452# 2453# This is done by determining whether or not the appropriate directory 2454# is available, and by checking whether or not specific configurations 2455# have requested that this magic not happen. 2456# 2457# The command line options always override the explicit settings in 2458# configure.ac, and the settings in configure.ac override this magic. 2459# 2460# If the default for a toolchain is to use GNU as and ld, and you don't 2461# want to do that, then you should use the --without-gnu-as and 2462# --without-gnu-ld options for the configure script. Similarly, if 2463# the default is to use the included zlib and you don't want to do that, 2464# you should use the --with-system-zlib option for the configure script. 2465 2466if test x${use_gnu_as} = x && 2467 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then 2468 with_gnu_as=yes 2469 extra_host_args="$extra_host_args --with-gnu-as" 2470fi 2471 2472if test x${use_gnu_ld} = x && 2473 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then 2474 with_gnu_ld=yes 2475 extra_host_args="$extra_host_args --with-gnu-ld" 2476fi 2477 2478if test x${use_included_zlib} = x && 2479 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then 2480 : 2481else 2482 with_system_zlib=yes 2483 extra_host_args="$extra_host_args --with-system-zlib" 2484fi 2485 2486# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure 2487# can detect this case. 2488 2489if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then 2490 with_newlib=yes 2491 extra_host_args="$extra_host_args --with-newlib" 2492fi 2493 2494# Handle ${copy_dirs} 2495set fnord ${copy_dirs} 2496shift 2497while test $# != 0 ; do 2498 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then 2499 : 2500 else 2501 echo Copying $1 to $2 2502 2503 # Use the install script to create the directory and all required 2504 # parent directories. 2505 if test -d $2 ; then 2506 : 2507 else 2508 echo >config.temp 2509 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED 2510 fi 2511 2512 # Copy the directory, assuming we have tar. 2513 # FIXME: Should we use B in the second tar? Not all systems support it. 2514 (cd $1; tar -cf - .) | (cd $2; tar -xpf -) 2515 2516 # It is the responsibility of the user to correctly adjust all 2517 # symlinks. If somebody can figure out how to handle them correctly 2518 # here, feel free to add the code. 2519 2520 echo $1 > $2/COPIED 2521 fi 2522 shift; shift 2523done 2524 2525# Determine a target-dependent exec_prefix that the installed 2526# gcc will search in. Keep this list sorted by triplet, with 2527# the *-*-osname triplets last. 2528md_exec_prefix= 2529case "${target}" in 2530 i[[34567]]86-pc-msdosdjgpp*) 2531 md_exec_prefix=/dev/env/DJDIR/bin 2532 ;; 2533 *-*-hpux* | \ 2534 *-*-nto-qnx* | \ 2535 *-*-solaris2*) 2536 md_exec_prefix=/usr/ccs/bin 2537 ;; 2538esac 2539 2540extra_arflags_for_target= 2541extra_nmflags_for_target= 2542extra_ranlibflags_for_target= 2543target_makefile_frag=/dev/null 2544case "${target}" in 2545 spu-*-*) 2546 target_makefile_frag="config/mt-spu" 2547 ;; 2548 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*) 2549 target_makefile_frag="config/mt-sde" 2550 ;; 2551 mipsisa*-*-elfoabi*) 2552 target_makefile_frag="config/mt-mips-elfoabi" 2553 ;; 2554 mips*-*-*linux* | mips*-*-gnu*) 2555 target_makefile_frag="config/mt-mips-gnu" 2556 ;; 2557 nios2-*-elf*) 2558 target_makefile_frag="config/mt-nios2-elf" 2559 ;; 2560 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 2561 target_makefile_frag="config/mt-gnu" 2562 ;; 2563 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*) 2564 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm 2565 # commands to handle both 32-bit and 64-bit objects. These flags are 2566 # harmless if we're using GNU nm or ar. 2567 extra_arflags_for_target=" -X32_64" 2568 extra_nmflags_for_target=" -B -X32_64" 2569 ;; 2570esac 2571 2572alphaieee_frag=/dev/null 2573case $target in 2574 alpha*-*-*) 2575 # This just makes sure to use the -mieee option to build target libs. 2576 # This should probably be set individually by each library. 2577 alphaieee_frag="config/mt-alphaieee" 2578 ;; 2579esac 2580 2581# If --enable-target-optspace always use -Os instead of -O2 to build 2582# the target libraries, similarly if it is not specified, use -Os 2583# on selected platforms. 2584ospace_frag=/dev/null 2585case "${enable_target_optspace}:${target}" in 2586 yes:*) 2587 ospace_frag="config/mt-ospace" 2588 ;; 2589 :d30v-*) 2590 ospace_frag="config/mt-d30v" 2591 ;; 2592 :m32r-* | :d10v-* | :fr30-* | :i?86*-*-elfiamcu) 2593 ospace_frag="config/mt-ospace" 2594 ;; 2595 no:* | :*) 2596 ;; 2597 *) 2598 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2 2599 ;; 2600esac 2601 2602# Some systems (e.g., one of the i386-aix systems the gas testers are 2603# using) don't handle "\$" correctly, so don't use it here. 2604tooldir='${exec_prefix}'/${target_noncanonical} 2605build_tooldir=${tooldir} 2606 2607# Create a .gdbinit file which runs the one in srcdir 2608# and tells GDB to look there for source files. 2609 2610if test -r ${srcdir}/.gdbinit ; then 2611 case ${srcdir} in 2612 .) ;; 2613 *) cat > ./.gdbinit <<EOF 2614# ${NO_EDIT} 2615dir ${srcdir} 2616dir . 2617source ${srcdir}/.gdbinit 2618EOF 2619 ;; 2620 esac 2621fi 2622 2623# Make sure that the compiler is able to generate an executable. If it 2624# can't, we are probably in trouble. We don't care whether we can run the 2625# executable--we might be using a cross compiler--we only care whether it 2626# can be created. At this point the main configure script has set CC. 2627we_are_ok=no 2628echo "int main () { return 0; }" > conftest.c 2629${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c 2630if test $? = 0 ; then 2631 if test -s conftest || test -s conftest.exe ; then 2632 we_are_ok=yes 2633 fi 2634fi 2635case $we_are_ok in 2636 no) 2637 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed." 2638 echo 1>&2 "*** You must set the environment variable CC to a working compiler." 2639 rm -f conftest* 2640 exit 1 2641 ;; 2642esac 2643rm -f conftest* 2644 2645# Decide which environment variable is used to find dynamic libraries. 2646case "${host}" in 2647 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;; 2648 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;; 2649 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;; 2650 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;; 2651esac 2652 2653# On systems where the dynamic library environment variable is PATH, 2654# gcc/ will put dynamic libraries into a subdirectory to avoid adding 2655# built executables to PATH. 2656if test "$RPATH_ENVVAR" = PATH; then 2657 GCC_SHLIB_SUBDIR=/shlib 2658else 2659 GCC_SHLIB_SUBDIR= 2660fi 2661 2662# Adjust the toplevel makefile according to whether bootstrap was selected. 2663case $enable_bootstrap in 2664 yes) 2665 bootstrap_suffix=bootstrap 2666 BUILD_CONFIG=bootstrap-debug 2667 ;; 2668 no) 2669 bootstrap_suffix=no-bootstrap 2670 BUILD_CONFIG= 2671 ;; 2672esac 2673 2674AC_MSG_CHECKING(for default BUILD_CONFIG) 2675 2676AC_ARG_WITH([build-config], 2677 [AS_HELP_STRING([--with-build-config='NAME NAME2...'], 2678 [use config/NAME.mk build configuration])], 2679 [case $with_build_config in 2680 yes) with_build_config= ;; 2681 no) with_build_config= BUILD_CONFIG= ;; 2682 esac]) 2683 2684if test "x${with_build_config}" != x; then 2685 BUILD_CONFIG=$with_build_config 2686else 2687 case $BUILD_CONFIG in 2688 bootstrap-debug) 2689 if echo "int f (void) { return 0; }" > conftest.c && 2690 ${CC} -c conftest.c && 2691 mv conftest.o conftest.o.g0 && 2692 ${CC} -c -g conftest.c && 2693 mv conftest.o conftest.o.g && 2694 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then 2695 : 2696 else 2697 BUILD_CONFIG= 2698 fi 2699 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g 2700 ;; 2701 esac 2702fi 2703AC_MSG_RESULT($BUILD_CONFIG) 2704AC_SUBST(BUILD_CONFIG) 2705 2706# Use same top-level configure hooks in libgcc/libstdc++/libvtv. 2707AC_MSG_CHECKING([for --enable-vtable-verify]) 2708AC_ARG_ENABLE(vtable-verify, 2709[AS_HELP_STRING([--enable-vtable-verify], 2710 [Enable vtable verification feature])], 2711[case "$enableval" in 2712 yes) enable_vtable_verify=yes ;; 2713 no) enable_vtable_verify=no ;; 2714 *) enable_vtable_verify=no;; 2715 esac], 2716[enable_vtable_verify=no]) 2717AC_MSG_RESULT($enable_vtable_verify) 2718 2719# Record target_configdirs and the configure arguments for target and 2720# build configuration in Makefile. 2721target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'` 2722build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'` 2723bootstrap_fixincludes=no 2724 2725# If we are building libgomp, bootstrap it. 2726if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then 2727 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp, 2728fi 2729 2730# If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan 2731# or bootstrap-ubsan, bootstrap it. 2732if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then 2733 case "$BUILD_CONFIG" in 2734 *bootstrap-asan* | *bootstrap-ubsan* ) 2735 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer, 2736 bootstrap_fixincludes=yes 2737 ;; 2738 esac 2739fi 2740 2741# If we are building libvtv and --enable-vtable-verify, bootstrap it. 2742if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 && 2743 test "$enable_vtable_verify" != no; then 2744 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv, 2745fi 2746 2747# If we are building libmpx, bootstrap it. 2748if echo " ${target_configdirs} " | grep " libmpx " > /dev/null 2>&1; then 2749 bootstrap_target_libs=${bootstrap_target_libs}target-libmpx, 2750fi 2751 2752# Determine whether gdb needs tk/tcl or not. 2753# Use 'maybe' since enable_gdbtk might be true even if tk isn't available 2754# and in that case we want gdb to be built without tk. Ugh! 2755# In fact I believe gdb is the *only* package directly dependent on tk, 2756# so we should be able to put the 'maybe's in unconditionally and 2757# leave out the maybe dependencies when enable_gdbtk is false. I'm not 2758# 100% sure that that's safe though. 2759 2760gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui" 2761case "$enable_gdbtk" in 2762 no) 2763 GDB_TK="" ;; 2764 yes) 2765 GDB_TK="${gdb_tk}" ;; 2766 *) 2767 # Only add the dependency on gdbtk when GDBtk is part of the gdb 2768 # distro. Eventually someone will fix this and move Insight, nee 2769 # gdbtk to a separate directory. 2770 if test -d ${srcdir}/gdb/gdbtk ; then 2771 GDB_TK="${gdb_tk}" 2772 else 2773 GDB_TK="" 2774 fi 2775 ;; 2776esac 2777CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g` 2778INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g` 2779 2780# Strip out unwanted targets. 2781 2782# While at that, we remove Makefiles if we were started for recursive 2783# configuration, so that the top-level Makefile reconfigures them, 2784# like we used to do when configure itself was recursive. 2785 2786# Loop over modules. We used to use the "$extrasub" feature from Autoconf 2787# but now we're fixing up the Makefile ourselves with the additional 2788# commands passed to AC_CONFIG_FILES. Use separate variables 2789# extrasub-{build,host,target} not because there is any reason to split 2790# the substitutions up that way, but only to remain below the limit of 2791# 99 commands in a script, for HP-UX sed. 2792# Do not nest @if/@endif pairs, because configure will not warn you at all. 2793 2794case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in 2795 yes:yes:*\ gold\ *:*,c++,*) ;; 2796 yes:yes:*\ gold\ *:*) 2797 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages]) 2798 ;; 2799esac 2800 2801extrasub_build= 2802for module in ${build_configdirs} ; do 2803 if test -z "${no_recursion}" \ 2804 && test -f ${build_subdir}/${module}/Makefile; then 2805 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure" 2806 rm -f ${build_subdir}/${module}/Makefile 2807 fi 2808 extrasub_build="$extrasub_build 2809/^@if build-$module\$/d 2810/^@endif build-$module\$/d 2811/^@if build-$module-$bootstrap_suffix\$/d 2812/^@endif build-$module-$bootstrap_suffix\$/d" 2813done 2814extrasub_host= 2815for module in ${configdirs} ; do 2816 if test -z "${no_recursion}"; then 2817 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do 2818 if test -f ${file}; then 2819 echo 1>&2 "*** removing ${file} to force reconfigure" 2820 rm -f ${file} 2821 fi 2822 done 2823 fi 2824 case ${module},${bootstrap_fixincludes} in 2825 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;; 2826 *) host_bootstrap_suffix=$bootstrap_suffix ;; 2827 esac 2828 extrasub_host="$extrasub_host 2829/^@if $module\$/d 2830/^@endif $module\$/d 2831/^@if $module-$host_bootstrap_suffix\$/d 2832/^@endif $module-$host_bootstrap_suffix\$/d" 2833done 2834extrasub_target= 2835for module in ${target_configdirs} ; do 2836 if test -z "${no_recursion}" \ 2837 && test -f ${target_subdir}/${module}/Makefile; then 2838 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure" 2839 rm -f ${target_subdir}/${module}/Makefile 2840 fi 2841 2842 # We only bootstrap target libraries listed in bootstrap_target_libs. 2843 case $bootstrap_target_libs in 2844 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;; 2845 *) target_bootstrap_suffix=no-bootstrap ;; 2846 esac 2847 2848 extrasub_target="$extrasub_target 2849/^@if target-$module\$/d 2850/^@endif target-$module\$/d 2851/^@if target-$module-$target_bootstrap_suffix\$/d 2852/^@endif target-$module-$target_bootstrap_suffix\$/d" 2853done 2854 2855# Do the final fixup along with target modules. 2856extrasub_target="$extrasub_target 2857/^@if /,/^@endif /d" 2858 2859# Create the serialization dependencies. This uses a temporary file. 2860 2861AC_ARG_ENABLE([serial-configure], 2862[AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]], 2863 [force sequential configuration of 2864 sub-packages for the host, target or build 2865 machine, or all sub-packages])]) 2866 2867case ${enable_serial_configure} in 2868 yes) 2869 enable_serial_build_configure=yes 2870 enable_serial_host_configure=yes 2871 enable_serial_target_configure=yes 2872 ;; 2873esac 2874 2875# These force 'configure's to be done one at a time, to avoid problems 2876# with contention over a shared config.cache. 2877rm -f serdep.tmp 2878echo '# serdep.tmp' > serdep.tmp 2879olditem= 2880test "x${enable_serial_build_configure}" = xyes && 2881for item in ${build_configdirs} ; do 2882 case ${olditem} in 2883 "") ;; 2884 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;; 2885 esac 2886 olditem=${item} 2887done 2888olditem= 2889test "x${enable_serial_host_configure}" = xyes && 2890for item in ${configdirs} ; do 2891 case ${olditem} in 2892 "") ;; 2893 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;; 2894 esac 2895 olditem=${item} 2896done 2897olditem= 2898test "x${enable_serial_target_configure}" = xyes && 2899for item in ${target_configdirs} ; do 2900 case ${olditem} in 2901 "") ;; 2902 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;; 2903 esac 2904 olditem=${item} 2905done 2906serialization_dependencies=serdep.tmp 2907AC_SUBST_FILE(serialization_dependencies) 2908 2909# Base args. Strip norecursion, cache-file, srcdir, host, build, 2910# target, nonopt, and variable assignments. These are the ones we 2911# might not want to pass down to subconfigures. The exception being 2912# --cache-file=/dev/null, which is used to turn off the use of cache 2913# files altogether, and which should be passed on to subconfigures. 2914# Also strip program-prefix, program-suffix, and program-transform-name, 2915# so that we can pass down a consistent program-transform-name. 2916baseargs= 2917tbaseargs= 2918keep_next=no 2919skip_next=no 2920eval "set -- $ac_configure_args" 2921for ac_arg 2922do 2923 if test X"$skip_next" = X"yes"; then 2924 skip_next=no 2925 continue 2926 fi 2927 if test X"$keep_next" = X"yes"; then 2928 case $ac_arg in 2929 *\'*) 2930 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; 2931 esac 2932 baseargs="$baseargs '$ac_arg'" 2933 tbaseargs="$tbaseargs '$ac_arg'" 2934 keep_next=no 2935 continue 2936 fi 2937 2938 # Handle separated arguments. Based on the logic generated by 2939 # autoconf 2.59. 2940 case $ac_arg in 2941 *=* | --config-cache | -C | -disable-* | --disable-* \ 2942 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \ 2943 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \ 2944 | -with-* | --with-* | -without-* | --without-* | --x) 2945 separate_arg=no 2946 ;; 2947 -*) 2948 separate_arg=yes 2949 ;; 2950 *) 2951 separate_arg=no 2952 ;; 2953 esac 2954 2955 skip_targ=no 2956 case $ac_arg in 2957changequote(,) 2958 --with-* | --without-*) 2959 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'` 2960 2961 case $libopt in 2962 *[-_]include) 2963 lib=`echo "$libopt" | sed 's,[-_]include$,,'` 2964 ;; 2965 *[-_]lib) 2966 lib=`echo "$libopt" | sed 's,[-_]lib$,,'` 2967 ;; 2968 *) 2969 lib=$libopt 2970 ;; 2971 esac 2972changequote([,]) 2973 2974 case $lib in 2975 mpc | mpfr | gmp | isl) 2976 # If we're processing --with-$lib, --with-$lib-include or 2977 # --with-$lib-lib, for one of the libs above, and target is 2978 # different from host, don't pass the current argument to any 2979 # target library's configure. 2980 if test x$is_cross_compiler = xyes; then 2981 skip_targ=yes 2982 fi 2983 ;; 2984 esac 2985 ;; 2986 esac 2987 2988 case "$ac_arg" in 2989 --cache-file=/dev/null | \ 2990 -cache-file=/dev/null ) 2991 # Handled here to avoid the test to skip args below. 2992 baseargs="$baseargs '$ac_arg'" 2993 tbaseargs="$tbaseargs '$ac_arg'" 2994 # Assert: $separate_arg should always be no. 2995 keep_next=$separate_arg 2996 ;; 2997 --no*) 2998 continue 2999 ;; 3000 --c* | \ 3001 --sr* | \ 3002 --ho* | \ 3003 --bu* | \ 3004 --t* | \ 3005 --program-* | \ 3006 -cache_file* | \ 3007 -srcdir* | \ 3008 -host* | \ 3009 -build* | \ 3010 -target* | \ 3011 -program-prefix* | \ 3012 -program-suffix* | \ 3013 -program-transform-name* ) 3014 skip_next=$separate_arg 3015 continue 3016 ;; 3017 -*) 3018 # An option. Add it. 3019 case $ac_arg in 3020 *\'*) 3021 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; 3022 esac 3023 baseargs="$baseargs '$ac_arg'" 3024 if test X"$skip_targ" = Xno; then 3025 tbaseargs="$tbaseargs '$ac_arg'" 3026 fi 3027 keep_next=$separate_arg 3028 ;; 3029 *) 3030 # Either a variable assignment, or a nonopt (triplet). Don't 3031 # pass it down; let the Makefile handle this. 3032 continue 3033 ;; 3034 esac 3035done 3036# Remove the initial space we just introduced and, as these will be 3037# expanded by make, quote '$'. 3038baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'` 3039 3040# Add in --program-transform-name, after --program-prefix and 3041# --program-suffix have been applied to it. Autoconf has already 3042# doubled dollar signs and backslashes in program_transform_name; we want 3043# the backslashes un-doubled, and then the entire thing wrapped in single 3044# quotes, because this will be expanded first by make and then by the shell. 3045# Also, because we want to override the logic in subdir configure scripts to 3046# choose program_transform_name, replace any s,x,x, with s,y,y,. 3047sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out 3048${program_transform_name} 3049EOF_SED 3050gcc_transform_name=`cat conftestsed.out` 3051rm -f conftestsed.out 3052baseargs="$baseargs --program-transform-name='${gcc_transform_name}'" 3053tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'" 3054if test "$silent" = yes; then 3055 baseargs="$baseargs --silent" 3056 tbaseargs="$tbaseargs --silent" 3057fi 3058baseargs="$baseargs --disable-option-checking" 3059tbaseargs="$tbaseargs --disable-option-checking" 3060 3061# Record and document user additions to sub configure arguments. 3062AC_ARG_VAR([build_configargs], 3063 [additional configure arguments for build directories]) 3064AC_ARG_VAR([host_configargs], 3065 [additional configure arguments for host directories]) 3066AC_ARG_VAR([target_configargs], 3067 [additional configure arguments for target directories]) 3068 3069# For the build-side libraries, we just need to pretend we're native, 3070# and not use the same cache file. Multilibs are neither needed nor 3071# desired. We can't even use the same cache file for all build-side 3072# libraries, as they're compiled differently; some with C, some with 3073# C++ or with different feature-enabling options. 3074build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}" 3075 3076# For host modules, accept cache file option, or specification as blank. 3077case "${cache_file}" in 3078"") # empty 3079 cache_file_option="" ;; 3080/* | [[A-Za-z]]:[[\\/]]* ) # absolute path 3081 cache_file_option="--cache-file=${cache_file}" ;; 3082*) # relative path 3083 cache_file_option="--cache-file=../${cache_file}" ;; 3084esac 3085 3086# Host dirs don't like to share a cache file either, horribly enough. 3087# This seems to be due to autoconf 2.5x stupidity. 3088host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}" 3089 3090target_configargs="$target_configargs ${tbaseargs}" 3091 3092# Passing a --with-cross-host argument lets the target libraries know 3093# whether they are being built with a cross-compiler or being built 3094# native. However, it would be better to use other mechanisms to make the 3095# sorts of decisions they want to make on this basis. Please consider 3096# this option to be deprecated. FIXME. 3097if test x${is_cross_compiler} = xyes ; then 3098 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}" 3099fi 3100 3101# Special user-friendly check for native x86_64-linux build, if 3102# multilib is not explicitly enabled. 3103case "$target:$have_compiler:$host:$target:$enable_multilib" in 3104 x86_64-*linux*:yes:$build:$build:) 3105 # Make sure we have a development environment that handles 32-bit 3106 dev64=no 3107 echo "int main () { return 0; }" > conftest.c 3108 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c 3109 if test $? = 0 ; then 3110 if test -s conftest || test -s conftest.exe ; then 3111 dev64=yes 3112 fi 3113 fi 3114 rm -f conftest* 3115 if test x${dev64} != xyes ; then 3116 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.]) 3117 fi 3118 ;; 3119esac 3120 3121# Default to --enable-multilib. 3122if test x${enable_multilib} = x ; then 3123 target_configargs="--enable-multilib ${target_configargs}" 3124fi 3125 3126# Pass --with-newlib if appropriate. Note that target_configdirs has 3127# changed from the earlier setting of with_newlib. 3128if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then 3129 target_configargs="--with-newlib ${target_configargs}" 3130fi 3131 3132# Different target subdirs use different values of certain variables 3133# (notably CXX). Worse, multilibs use *lots* of different values. 3134# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that 3135# it doesn't automatically accept command-line overrides of them. 3136# This means it's not safe for target subdirs to share a cache file, 3137# which is disgusting, but there you have it. Hopefully this can be 3138# fixed in future. It's still worthwhile to use a cache file for each 3139# directory. I think. 3140 3141# Pass the appropriate --build, --host, --target and --cache-file arguments. 3142# We need to pass --target, as newer autoconf's requires consistency 3143# for target_alias and gcc doesn't manage it consistently. 3144target_configargs="--cache-file=./config.cache ${target_configargs}" 3145 3146FLAGS_FOR_TARGET= 3147case " $target_configdirs " in 3148 *" newlib "*) 3149 case " $target_configargs " in 3150 *" --with-newlib "*) 3151 case "$target" in 3152 *-cygwin*) 3153 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include' 3154 ;; 3155 esac 3156 3157 # If we're not building GCC, don't discard standard headers. 3158 if test -d ${srcdir}/gcc; then 3159 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc' 3160 3161 if test "${build}" != "${host}"; then 3162 # On Canadian crosses, CC_FOR_TARGET will have already been set 3163 # by `configure', so we won't have an opportunity to add -Bgcc/ 3164 # to it. This is right: we don't want to search that directory 3165 # for binaries, but we want the header files in there, so add 3166 # them explicitly. 3167 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed' 3168 3169 # Someone might think of using the pre-installed headers on 3170 # Canadian crosses, in case the installed compiler is not fully 3171 # compatible with the compiler being built. In this case, it 3172 # would be better to flag an error than risking having 3173 # incompatible object files being constructed. We can't 3174 # guarantee that an error will be flagged, but let's hope the 3175 # compiler will do it, when presented with incompatible header 3176 # files. 3177 fi 3178 fi 3179 3180 case "${target}-${is_cross_compiler}" in 3181 i[[3456789]]86-*-linux*-no) 3182 # Here host == target, so we don't need to build gcc, 3183 # so we don't want to discard standard headers. 3184 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'` 3185 ;; 3186 *) 3187 # If we're building newlib, use its generic headers last, but search 3188 # for any libc-related directories first (so make it the last -B 3189 # switch). 3190 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include' 3191 3192 # If we're building libgloss, find the startup file, simulator library 3193 # and linker script. 3194 case " $target_configdirs " in 3195 *" libgloss "*) 3196 # Look for startup file, simulator library and maybe linker script. 3197 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir" 3198 # Look for libnosys.a in case the target needs it. 3199 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys' 3200 # Most targets have the linker script in the source directory. 3201 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir" 3202 ;; 3203 esac 3204 ;; 3205 esac 3206 ;; 3207 esac 3208 ;; 3209esac 3210 3211case "$target" in 3212 x86_64-*mingw* | *-w64-mingw*) 3213 # MinGW-w64 does not use newlib, nor does it use winsup. It may, 3214 # however, use a symlink named 'mingw' in ${prefix} . 3215 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include' 3216 ;; 3217 *-mingw*) 3218 # MinGW can't be handled as Cygwin above since it does not use newlib. 3219 FLAGS_FOR_TARGET=$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' 3220 ;; 3221esac 3222 3223# Allow the user to override the flags for 3224# our build compiler if desired. 3225if test x"${build}" = x"${host}" ; then 3226 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}} 3227 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}} 3228 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}} 3229fi 3230 3231# On Canadian crosses, we'll be searching the right directories for 3232# the previously-installed cross compiler, so don't bother to add 3233# flags for directories within the install tree of the compiler 3234# being built; programs in there won't even run. 3235if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then 3236 # Search for pre-installed headers if nothing else fits. 3237 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include' 3238fi 3239 3240if test "x${use_gnu_ld}" = x && 3241 echo " ${configdirs} " | grep " ld " > /dev/null ; then 3242 # Arrange for us to find uninstalled linker scripts. 3243 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld' 3244fi 3245 3246# Search for other target-specific linker scripts and such. 3247case "${target}" in 3248 mep*) 3249 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary" 3250 ;; 3251esac 3252 3253# Makefile fragments. 3254for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag; 3255do 3256 eval fragval=\$$frag 3257 if test $fragval != /dev/null; then 3258 eval $frag=${srcdir}/$fragval 3259 fi 3260done 3261AC_SUBST_FILE(host_makefile_frag) 3262AC_SUBST_FILE(target_makefile_frag) 3263AC_SUBST_FILE(alphaieee_frag) 3264AC_SUBST_FILE(ospace_frag) 3265 3266# Miscellanea: directories, flags, etc. 3267AC_SUBST(RPATH_ENVVAR) 3268AC_SUBST(GCC_SHLIB_SUBDIR) 3269AC_SUBST(tooldir) 3270AC_SUBST(build_tooldir) 3271AC_SUBST(CONFIGURE_GDB_TK) 3272AC_SUBST(GDB_TK) 3273AC_SUBST(INSTALL_GDB_TK) 3274 3275# Build module lists & subconfigure args. 3276AC_SUBST(build_configargs) 3277AC_SUBST(build_configdirs) 3278 3279# Host module lists & subconfigure args. 3280AC_SUBST(host_configargs) 3281AC_SUBST(configdirs) 3282AC_SUBST(target_configdirs) 3283 3284# Target module lists & subconfigure args. 3285AC_SUBST(target_configargs) 3286 3287 3288# Build tools. 3289AC_SUBST(AR_FOR_BUILD) 3290AC_SUBST(AS_FOR_BUILD) 3291AC_SUBST(CC_FOR_BUILD) 3292AC_SUBST(CFLAGS_FOR_BUILD) 3293AC_SUBST(CXXFLAGS_FOR_BUILD) 3294AC_SUBST(CXX_FOR_BUILD) 3295AC_SUBST(DLLTOOL_FOR_BUILD) 3296AC_SUBST(GCJ_FOR_BUILD) 3297AC_SUBST(GFORTRAN_FOR_BUILD) 3298AC_SUBST(GOC_FOR_BUILD) 3299AC_SUBST(LDFLAGS_FOR_BUILD) 3300AC_SUBST(LD_FOR_BUILD) 3301AC_SUBST(NM_FOR_BUILD) 3302AC_SUBST(RANLIB_FOR_BUILD) 3303AC_SUBST(WINDMC_FOR_BUILD) 3304AC_SUBST(WINDRES_FOR_BUILD) 3305 3306# Generate default definitions for YACC, M4, LEX and other programs that run 3307# on the build machine. These are used if the Makefile can't locate these 3308# programs in objdir. 3309MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing 3310 3311AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y]) 3312case " $build_configdirs " in 3313 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;; 3314esac 3315 3316AC_CHECK_PROGS([BISON], [bison], [$MISSING bison]) 3317case " $build_configdirs " in 3318 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;; 3319esac 3320 3321AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4]) 3322case " $build_configdirs " in 3323 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;; 3324esac 3325 3326AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex]) 3327case " $build_configdirs " in 3328 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;; 3329 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;; 3330esac 3331 3332AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex]) 3333case " $build_configdirs " in 3334 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;; 3335esac 3336 3337AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo]) 3338case " $build_configdirs " in 3339 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;; 3340 *) 3341changequote(,) 3342 # For an installed makeinfo, we require it to be from texinfo 4.7 or 3343 # higher, else we use the "missing" dummy. 3344 if ${MAKEINFO} --version \ 3345 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then 3346 : 3347 else 3348 MAKEINFO="$MISSING makeinfo" 3349 fi 3350 ;; 3351changequote([,]) 3352esac 3353 3354# FIXME: expect and dejagnu may become build tools? 3355 3356AC_CHECK_PROGS(EXPECT, expect, expect) 3357case " $configdirs " in 3358 *" expect "*) 3359 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect' 3360 ;; 3361esac 3362 3363AC_CHECK_PROGS(RUNTEST, runtest, runtest) 3364case " $configdirs " in 3365 *" dejagnu "*) 3366 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest' 3367 ;; 3368esac 3369 3370 3371# Host tools. 3372NCN_STRICT_CHECK_TOOLS(AR, ar) 3373NCN_STRICT_CHECK_TOOLS(AS, as) 3374NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool) 3375NCN_STRICT_CHECK_TOOLS(LD, ld) 3376NCN_STRICT_CHECK_TOOLS(LIPO, lipo) 3377NCN_STRICT_CHECK_TOOLS(NM, nm) 3378NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true) 3379NCN_STRICT_CHECK_TOOLS(STRIP, strip, true) 3380NCN_STRICT_CHECK_TOOLS(WINDRES, windres) 3381NCN_STRICT_CHECK_TOOLS(WINDMC, windmc) 3382NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy) 3383NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump) 3384NCN_STRICT_CHECK_TOOLS(READELF, readelf) 3385AC_SUBST(CC) 3386AC_SUBST(CXX) 3387AC_SUBST(CFLAGS) 3388AC_SUBST(CXXFLAGS) 3389 3390# Target tools. 3391AC_ARG_WITH([build-time-tools], 3392 [AS_HELP_STRING([--with-build-time-tools=PATH], 3393 [use given path to find target tools during the build])], 3394 [case x"$withval" in 3395 x/*) ;; 3396 *) 3397 with_build_time_tools= 3398 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path]) 3399 ;; 3400 esac], 3401 [with_build_time_tools=]) 3402 3403NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc) 3404NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx) 3405NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET}) 3406NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj) 3407NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran) 3408NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo) 3409 3410ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar) 3411ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as) 3412ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool) 3413ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld) 3414ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo) 3415ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm) 3416ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy) 3417ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump) 3418ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib) 3419ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf) 3420ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip) 3421ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres) 3422ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc) 3423 3424RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET" 3425 3426GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar]) 3427GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new]) 3428GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) 3429dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS 3430GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX, 3431 [gcc/xg++ -B$$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$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs], 3432 c++) 3433GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX, 3434 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs], 3435 c++) 3436GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool]) 3437GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) 3438GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ, 3439 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java) 3440GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN, 3441 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran) 3442GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC, 3443 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go) 3444GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new]) 3445GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO) 3446GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new]) 3447GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy]) 3448GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump]) 3449GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib]) 3450GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf]) 3451GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new]) 3452GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres]) 3453GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc]) 3454 3455AC_SUBST(FLAGS_FOR_TARGET) 3456AC_SUBST(RAW_CXX_FOR_TARGET) 3457 3458# Certain tools may need extra flags. 3459AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target} 3460RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target} 3461NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target} 3462 3463# When building target libraries, except in a Canadian cross, we use 3464# the same toolchain as the compiler we just built. 3465COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)' 3466COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)' 3467COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)' 3468if test $host = $build; then 3469 case " $configdirs " in 3470 *" gcc "*) 3471 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as' 3472 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld' 3473 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target} 3474 ;; 3475 esac 3476fi 3477 3478AC_SUBST(COMPILER_AS_FOR_TARGET) 3479AC_SUBST(COMPILER_LD_FOR_TARGET) 3480AC_SUBST(COMPILER_NM_FOR_TARGET) 3481 3482AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) 3483AC_ARG_ENABLE(maintainer-mode, 3484[AS_HELP_STRING([--enable-maintainer-mode], 3485 [enable make rules and dependencies not useful 3486 (and sometimes confusing) to the casual installer])], 3487 USE_MAINTAINER_MODE=$enableval, 3488 USE_MAINTAINER_MODE=no) 3489AC_MSG_RESULT($USE_MAINTAINER_MODE) 3490AC_SUBST(MAINTAINER_MODE_TRUE) 3491AC_SUBST(MAINTAINER_MODE_FALSE) 3492if test "$USE_MAINTAINER_MODE" = yes; then 3493 MAINTAINER_MODE_TRUE= 3494 MAINTAINER_MODE_FALSE='#' 3495else 3496 MAINTAINER_MODE_TRUE='#' 3497 MAINTAINER_MODE_FALSE= 3498fi 3499MAINT=$MAINTAINER_MODE_TRUE 3500AC_SUBST(MAINT)dnl 3501 3502# --------------------- 3503# GCC bootstrap support 3504# --------------------- 3505 3506# Stage specific cflags for build. 3507stage1_cflags="-g" 3508case $build in 3509 vax-*-*) 3510 case ${GCC} in 3511 yes) stage1_cflags="-g -Wa,-J" ;; 3512 *) stage1_cflags="-g -J" ;; 3513 esac ;; 3514esac 3515 3516AC_SUBST(stage1_cflags) 3517 3518# Enable --enable-checking in stage1 of the compiler. 3519AC_ARG_ENABLE(stage1-checking, 3520[AS_HELP_STRING([[--enable-stage1-checking[=all]]], 3521 [choose additional checking for stage1 of the compiler])], 3522[stage1_checking=--enable-checking=${enable_stage1_checking}], 3523[if test "x$enable_checking" = xno || test "x$enable_checking" = x; then 3524 # For --disable-checking or implicit --enable-checking=release, avoid 3525 # setting --enable-checking=gc in the default stage1 checking for LTO 3526 # bootstraps. See PR62077. 3527 stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types 3528 case $BUILD_CONFIG in 3529 *lto*) 3530 if test "x$enable_checking" = x && \ 3531 test -d ${srcdir}/gcc && \ 3532 test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then 3533 stage1_checking=--enable-checking=yes,types 3534 fi;; 3535 *) stage1_checking=--enable-checking=yes,types;; 3536 esac 3537else 3538 stage1_checking=--enable-checking=$enable_checking,types 3539fi]) 3540AC_SUBST(stage1_checking) 3541 3542# Enable -Werror in bootstrap stage2 and later. 3543AC_ARG_ENABLE(werror, 3544[AS_HELP_STRING([--enable-werror], 3545 [enable -Werror in bootstrap stage2 and later])], [], 3546[if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then 3547 enable_werror=yes 3548else 3549 enable_werror=no 3550fi]) 3551case ${enable_werror} in 3552 yes) stage2_werror_flag="--enable-werror-always" ;; 3553 *) stage2_werror_flag="" ;; 3554esac 3555AC_SUBST(stage2_werror_flag) 3556 3557# Enable --enable-host-shared. 3558AC_ARG_ENABLE(host-shared, 3559[AS_HELP_STRING([--enable-host-shared], 3560 [build host code as shared libraries])], 3561[host_shared=$enableval], [host_shared=no]) 3562AC_SUBST(host_shared) 3563 3564# PR jit/64780: Require the user to explicitly specify 3565# --enable-host-shared if the jit is enabled, hinting 3566# that they might want to do a separate configure/build of 3567# the jit, to avoid users from slowing down the rest of the 3568# compiler by enabling the jit. 3569if test ${host_shared} = "no" ; then 3570 case "${enable_languages}" in 3571 *jit*) 3572 AC_MSG_ERROR([ 3573Enabling language "jit" requires --enable-host-shared. 3574 3575--enable-host-shared typically slows the rest of the compiler down by 3576a few %, so you must explicitly enable it. 3577 3578If you want to build both the jit and the regular compiler, it is often 3579best to do this via two separate configure/builds, in separate 3580directories, to avoid imposing the performance cost of 3581--enable-host-shared on the regular compiler.]) 3582 ;; 3583 *) 3584 ;; 3585 esac 3586fi 3587 3588# Specify what files to not compare during bootstrap. 3589 3590compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*" 3591case "$target" in 3592 hppa*64*-*-hpux*) ;; 3593 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;; 3594 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;; 3595esac 3596AC_SUBST(compare_exclusions) 3597 3598AC_CONFIG_FILES([Makefile], 3599 [sed "$extrasub_build" Makefile | 3600 sed "$extrasub_host" | 3601 sed "$extrasub_target" > mf$$ 3602 mv -f mf$$ Makefile], 3603 [extrasub_build="$extrasub_build" 3604 extrasub_host="$extrasub_host" 3605 extrasub_target="$extrasub_target"]) 3606AC_OUTPUT 3607