configure.ac revision 1.5
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="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gprof etc expect dejagnu m4 utils guile fastjar gnattools libcc1 gotools" 144 145# libgcj represents the runtime libraries only used by gcj. 146libgcj="target-libffi \ 147 target-zlib \ 148 target-libjava" 149 150# these libraries are built for the target environment, and are built after 151# the host libraries and the host tools (which may be a cross compiler) 152# Note that libiberty is not a target library. 153target_libraries="target-libgcc \ 154 target-libbacktrace \ 155 target-libgloss \ 156 target-newlib \ 157 target-libgomp \ 158 target-libcilkrts \ 159 target-liboffloadmic \ 160 target-libatomic \ 161 target-libitm \ 162 target-libstdc++-v3 \ 163 target-libsanitizer \ 164 target-libvtv \ 165 target-libmpx \ 166 target-libssp \ 167 target-libquadmath \ 168 target-libgfortran \ 169 target-boehm-gc \ 170 ${libgcj} \ 171 target-libobjc \ 172 target-libada \ 173 target-libgo" 174 175# these tools are built using the target libraries, and are intended to 176# run only in the target environment 177# 178# note: any program that *uses* libraries that are in the "target_libraries" 179# list belongs in this list. 180# 181target_tools="target-rda" 182 183################################################################################ 184 185## All tools belong in one of the four categories, and are assigned above 186## We assign ${configdirs} this way to remove all embedded newlines. This 187## is important because configure will choke if they ever get through. 188## ${configdirs} is directories we build using the host tools. 189## ${target_configdirs} is directories we build using the target tools. 190configdirs=`echo ${host_libs} ${host_tools}` 191target_configdirs=`echo ${target_libraries} ${target_tools}` 192build_configdirs=`echo ${build_libs} ${build_tools}` 193 194m4_divert_text([PARSE_ARGS], 195[case $srcdir in 196 *" "*) 197m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl 198 AC_MSG_ERROR([path to source, $srcdir, contains spaces]) 199m4_popdef([AS_MESSAGE_LOG_FD])dnl 200 ;; 201esac 202ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'` 203]) 204 205################################################################################ 206 207srcname="gnu development package" 208 209# This gets set non-empty for some net releases of packages. 210appdirs="" 211 212# Define is_cross_compiler to save on calls to 'test'. 213is_cross_compiler= 214if test x"${host}" = x"${target}" ; then 215 is_cross_compiler=no 216else 217 is_cross_compiler=yes 218fi 219 220# Find the build and target subdir names. 221GCC_TOPLEV_SUBDIRS 222# Be sure to cover against remnants of an in-tree build. 223if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then 224 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}. 225Use a pristine source tree when building in a separate tree]) 226fi 227 228# Skipdirs are removed silently. 229skipdirs= 230# Noconfigdirs are removed loudly. 231noconfigdirs="" 232 233use_gnu_ld= 234# Make sure we don't let GNU ld be added if we didn't want it. 235if test x$with_gnu_ld = xno ; then 236 use_gnu_ld=no 237 noconfigdirs="$noconfigdirs ld gold" 238fi 239 240use_gnu_as= 241# Make sure we don't let GNU as be added if we didn't want it. 242if test x$with_gnu_as = xno ; then 243 use_gnu_as=no 244 noconfigdirs="$noconfigdirs gas" 245fi 246 247use_included_zlib= 248# Make sure we don't let ZLIB be added if we didn't want it. 249if test x$with_system_zlib = xyes ; then 250 use_included_zlib=no 251 noconfigdirs="$noconfigdirs zlib" 252fi 253 254# some tools are so dependent upon X11 that if we're not building with X, 255# it's not even worth trying to configure, much less build, that tool. 256 257case ${with_x} in 258 yes | "") ;; # the default value for this tree is that X11 is available 259 no) 260 skipdirs="${skipdirs} tk itcl libgui" 261 # We won't be able to build gdbtk without X. 262 enable_gdbtk=no 263 ;; 264 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;; 265esac 266 267# Some are only suitable for cross toolchains. 268# Remove these if host=target. 269cross_only="target-libgloss target-newlib target-opcodes" 270 271case $is_cross_compiler in 272 no) skipdirs="${skipdirs} ${cross_only}" ;; 273esac 274 275# If both --with-headers and --with-libs are specified, default to 276# --without-newlib. 277if test x"${with_headers}" != x && test x"${with_headers}" != xno \ 278 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then 279 if test x"${with_newlib}" = x ; then 280 with_newlib=no 281 fi 282fi 283 284# Recognize --with-newlib/--without-newlib. 285case ${with_newlib} in 286 no) skipdirs="${skipdirs} target-newlib" ;; 287 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;; 288esac 289 290AC_ARG_ENABLE(as-accelerator-for, 291[AS_HELP_STRING([--enable-as-accelerator-for=ARG], 292 [build as offload target compiler. 293 Specify offload host triple by ARG])]) 294 295AC_ARG_ENABLE(offload-targets, 296[AS_HELP_STRING([--enable-offload-targets=LIST], 297 [enable offloading to devices from comma-separated LIST of 298 TARGET[=DIR]. Use optional path to find offload target compiler 299 during the build])], 300[ 301 if test x"$enable_offload_targets" = x; then 302 AC_MSG_ERROR([no offload targets specified]) 303 fi 304], [enable_offload_targets=]) 305 306# Handle --enable-gold, --enable-ld. 307# --disable-gold [--enable-ld] 308# Build only ld. Default option. 309# --enable-gold [--enable-ld] 310# Build both gold and ld. Install gold as "ld.gold", install ld 311# as "ld.bfd" and "ld". 312# --enable-gold=default [--enable-ld] 313# Build both gold and ld. Install gold as "ld.gold" and "ld", 314# install ld as "ld.bfd". 315# --enable-gold[=default] --disable-ld 316# Build only gold, which is then installed as both "ld.gold" and "ld". 317# --enable-gold --enable-ld=default 318# Build both gold (installed as "ld.gold") and ld (installed as "ld" 319# and ld.bfd). 320# In other words, ld is default 321# --enable-gold=default --enable-ld=default 322# Error. 323 324default_ld= 325AC_ARG_ENABLE(gold, 326[AS_HELP_STRING([[--enable-gold[=ARG]]], 327 [build gold @<:@ARG={default,yes,no}@:>@])], 328ENABLE_GOLD=$enableval, 329ENABLE_GOLD=no) 330case "${ENABLE_GOLD}" in 331 yes|default) 332 # Check for ELF target. 333 is_elf=no 334 case "${target}" in 335 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \ 336 | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \ 337 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \ 338 | *-*-solaris2* | *-*-nto* | *-*-nacl*) 339 case "${target}" in 340 *-*-linux*aout* | *-*-linux*oldld*) 341 ;; 342 *) 343 is_elf=yes 344 ;; 345 esac 346 esac 347 348 if test "$is_elf" = "yes"; then 349 # Check for target supported by gold. 350 case "${target}" in 351 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \ 352 | aarch64*-*-* | tilegx*-*-*) 353 configdirs="$configdirs gold" 354 if test x${ENABLE_GOLD} = xdefault; then 355 default_ld=gold 356 fi 357 ENABLE_GOLD=yes 358 ;; 359 esac 360 fi 361 ;; 362 no) 363 ;; 364 *) 365 AC_MSG_ERROR([invalid --enable-gold argument]) 366 ;; 367esac 368 369AC_ARG_ENABLE(ld, 370[AS_HELP_STRING([[--enable-ld[=ARG]]], 371 [build ld @<:@ARG={default,yes,no}@:>@])], 372ENABLE_LD=$enableval, 373ENABLE_LD=yes) 374 375case "${ENABLE_LD}" in 376 default) 377 if test x${default_ld} != x; then 378 AC_MSG_ERROR([either gold or ld can be the default ld]) 379 fi 380 ;; 381 yes) 382 ;; 383 no) 384 if test x${ENABLE_GOLD} != xyes; then 385 AC_MSG_WARN([neither ld nor gold are enabled]) 386 fi 387 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'` 388 ;; 389 *) 390 AC_MSG_ERROR([invalid --enable-ld argument]) 391 ;; 392esac 393 394# Configure extra directories which are host specific 395 396case "${host}" in 397 *-cygwin*) 398 configdirs="$configdirs libtermcap" ;; 399esac 400 401# A target can indicate whether a language isn't supported for some reason. 402# Only spaces may be used in this macro; not newlines or tabs. 403unsupported_languages= 404 405# Remove more programs from consideration, based on the host or 406# target this usually means that a port of the program doesn't 407# exist yet. 408 409case "${host}" in 410 i[[3456789]]86-*-msdosdjgpp*) 411 noconfigdirs="$noconfigdirs tcl tk itcl" 412 ;; 413esac 414 415 416AC_ARG_ENABLE(libquadmath, 417AS_HELP_STRING([--disable-libquadmath], 418 [do not build libquadmath directory]), 419ENABLE_LIBQUADMATH=$enableval, 420ENABLE_LIBQUADMATH=yes) 421if test "${ENABLE_LIBQUADMATH}" = "no" ; then 422 noconfigdirs="$noconfigdirs target-libquadmath" 423fi 424 425 426AC_ARG_ENABLE(libquadmath-support, 427AS_HELP_STRING([--disable-libquadmath-support], 428 [disable libquadmath support for Fortran]), 429ENABLE_LIBQUADMATH_SUPPORT=$enableval, 430ENABLE_LIBQUADMATH_SUPPORT=yes) 431enable_libquadmath_support= 432if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then 433 enable_libquadmath_support=no 434fi 435 436 437AC_ARG_ENABLE(libada, 438[AS_HELP_STRING([--enable-libada], [build libada directory])], 439ENABLE_LIBADA=$enableval, 440ENABLE_LIBADA=yes) 441if test "${ENABLE_LIBADA}" != "yes" ; then 442 noconfigdirs="$noconfigdirs gnattools" 443fi 444 445AC_ARG_ENABLE(libssp, 446[AS_HELP_STRING([--enable-libssp], [build libssp directory])], 447ENABLE_LIBSSP=$enableval, 448ENABLE_LIBSSP=yes) 449 450AC_ARG_ENABLE(libstdcxx, 451AS_HELP_STRING([--disable-libstdcxx], 452 [do not build libstdc++-v3 directory]), 453ENABLE_LIBSTDCXX=$enableval, 454ENABLE_LIBSTDCXX=default) 455[if test "${ENABLE_LIBSTDCXX}" = "no" ; then 456 noconfigdirs="$noconfigdirs target-libstdc++-v3" 457fi] 458 459# If this is accelerator compiler and its target is intelmic we enable 460# target liboffloadmic by default. If this is compiler with offloading 461# for intelmic we enable host liboffloadmic by default. Otherwise 462# liboffloadmic is disabled by default. 463AC_ARG_ENABLE([liboffloadmic], 464AC_HELP_STRING([[--enable-liboffloadmic[=ARG]]], 465 [build liboffloadmic @<:@ARG={no,host,target}@:>@]), 466[case "$enableval" in 467 no | host | target) 468 enable_liboffloadmic=$enableval ;; 469 *) 470 AC_MSG_ERROR([--enable-liboffloadmic=no/host/target]) ;; 471esac], 472[if test x"$enable_as_accelerator_for" != x; then 473 case "${target}" in 474 *-intelmic-* | *-intelmicemul-*) 475 enable_liboffloadmic=target 476 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=target" 477 ;; 478 *) 479 enable_liboffloadmic=no 480 ;; 481 esac 482else 483 case "${enable_offload_targets}" in 484 *-intelmic-* | *-intelmicemul-*) 485 enable_liboffloadmic=host 486 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=host" 487 ;; 488 *) 489 enable_liboffloadmic=no 490 ;; 491 esac 492fi]) 493AC_SUBST(extra_liboffloadmic_configure_flags) 494 495# Save it here so that, even in case of --enable-libgcj, if the Java 496# front-end isn't enabled, we still get libgcj disabled. 497libgcj_saved=$libgcj 498case $enable_libgcj in 499yes) 500 # If we reset it here, it won't get added to noconfigdirs in the 501 # target-specific build rules, so it will be forcibly enabled 502 # (unless the Java language itself isn't enabled). 503 libgcj= 504 ;; 505no) 506 # Make sure we get it printed in the list of not supported target libs. 507 # Don't disable libffi, though, other languages use it. 508 noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`" 509 # Clear libgcj_saved so that even if java is enabled libffi won't be 510 # built. 511 libgcj_saved= 512 ;; 513esac 514 515AC_ARG_ENABLE(static-libjava, 516[AS_HELP_STRING([[--enable-static-libjava[=ARG]]], 517 [build static libjava @<:@default=no@:>@])], 518ENABLE_STATIC_LIBJAVA=$enableval, 519ENABLE_STATIC_LIBJAVA=no) 520enable_static_libjava= 521if test "${ENABLE_STATIC_LIBJAVA}" = "yes" ; then 522 enable_static_libjava=yes 523fi 524 525if test x$enable_static_libjava != xyes ; then 526 EXTRA_CONFIGARGS_LIBJAVA=--disable-static 527fi 528AC_SUBST(EXTRA_CONFIGARGS_LIBJAVA) 529 530# Disable libgomp on non POSIX hosted systems. 531if test x$enable_libgomp = x ; then 532 # Enable libgomp by default on hosted POSIX systems. 533 case "${target}" in 534 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 535 ;; 536 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*) 537 ;; 538 *-*-solaris2* | *-*-hpux11*) 539 ;; 540 *-*-darwin* | *-*-aix*) 541 ;; 542 *) 543 noconfigdirs="$noconfigdirs target-libgomp" 544 ;; 545 esac 546fi 547 548# Disable libatomic on unsupported systems. 549if test -d ${srcdir}/libatomic; then 550 if test x$enable_libatomic = x; then 551 AC_MSG_CHECKING([for libatomic support]) 552 if (srcdir=${srcdir}/libatomic; \ 553 . ${srcdir}/configure.tgt; \ 554 test -n "$UNSUPPORTED") 555 then 556 AC_MSG_RESULT([no]) 557 noconfigdirs="$noconfigdirs target-libatomic" 558 else 559 AC_MSG_RESULT([yes]) 560 fi 561 fi 562fi 563 564# Disable libcilkrts on unsupported systems. 565if test -d ${srcdir}/libcilkrts; then 566 if test x$enable_libcilkrts = x; then 567 AC_MSG_CHECKING([for libcilkrts support]) 568 if (srcdir=${srcdir}/libcilkrts; \ 569 . ${srcdir}/configure.tgt; \ 570 test -n "$UNSUPPORTED") 571 then 572 AC_MSG_RESULT([no]) 573 noconfigdirs="$noconfigdirs target-libcilkrts" 574 else 575 AC_MSG_RESULT([yes]) 576 fi 577 fi 578fi 579 580# Disable liboffloadmic on unsupported systems. 581if test -d ${srcdir}/liboffloadmic; then 582 if test x$enable_liboffloadmic != xno; then 583 AC_MSG_CHECKING([for liboffloadmic support]) 584 if (srcdir=${srcdir}/liboffloadmic; \ 585 . ${srcdir}/configure.tgt; \ 586 test -n "$UNSUPPORTED") 587 then 588 AC_MSG_RESULT([no]) 589 noconfigdirs="$noconfigdirs target-liboffloadmic" 590 else 591 AC_MSG_RESULT([yes]) 592 fi 593 fi 594fi 595 596# Disable libitm on unsupported systems. 597if test -d ${srcdir}/libitm; then 598 if test x$enable_libitm = x; then 599 AC_MSG_CHECKING([for libitm support]) 600 if (srcdir=${srcdir}/libitm; \ 601 . ${srcdir}/configure.tgt; \ 602 test -n "$UNSUPPORTED") 603 then 604 AC_MSG_RESULT([no]) 605 noconfigdirs="$noconfigdirs target-libitm" 606 else 607 AC_MSG_RESULT([yes]) 608 fi 609 fi 610fi 611 612# Disable libsanitizer on unsupported systems. 613if test -d ${srcdir}/libsanitizer; then 614 if test x$enable_libsanitizer = x; then 615 AC_MSG_CHECKING([for libsanitizer support]) 616 if (srcdir=${srcdir}/libsanitizer; \ 617 . ${srcdir}/configure.tgt; \ 618 test -n "$UNSUPPORTED") 619 then 620 AC_MSG_RESULT([no]) 621 noconfigdirs="$noconfigdirs target-libsanitizer" 622 else 623 AC_MSG_RESULT([yes]) 624 fi 625 fi 626fi 627 628# Disable libvtv on unsupported systems. 629if test -d ${srcdir}/libvtv; then 630 if test x$enable_libvtv = x; then 631 AC_MSG_CHECKING([for libvtv support]) 632 if (srcdir=${srcdir}/libvtv; \ 633 . ${srcdir}/configure.tgt; \ 634 test "$VTV_SUPPORTED" != "yes") 635 then 636 AC_MSG_RESULT([no]) 637 noconfigdirs="$noconfigdirs target-libvtv" 638 else 639 AC_MSG_RESULT([yes]) 640 fi 641 fi 642fi 643 644 645# Enable libmpx on supported systems by request. 646if test -d ${srcdir}/libmpx; then 647 if test x$enable_libmpx = xyes; then 648 AC_MSG_CHECKING([for libmpx support]) 649 if (srcdir=${srcdir}/libmpx; \ 650 . ${srcdir}/configure.tgt; \ 651 test "$LIBMPX_SUPPORTED" != "yes") 652 then 653 AC_MSG_RESULT([no]) 654 noconfigdirs="$noconfigdirs target-libmpx" 655 else 656 AC_MSG_RESULT([yes]) 657 fi 658 else 659 noconfigdirs="$noconfigdirs target-libmpx" 660 fi 661fi 662 663 664 665# Disable libquadmath for some systems. 666case "${target}" in 667 avr-*-*) 668 noconfigdirs="$noconfigdirs target-libquadmath" 669 ;; 670 # libquadmath is unused on AIX and libquadmath build process use of 671 # LD_LIBRARY_PATH can break AIX bootstrap. 672 powerpc-*-aix* | rs6000-*-aix*) 673 noconfigdirs="$noconfigdirs target-libquadmath" 674 ;; 675esac 676 677# Disable libssp for some systems. 678case "${target}" in 679 avr-*-*) 680 # No hosted I/O support. 681 noconfigdirs="$noconfigdirs target-libssp" 682 ;; 683 powerpc-*-aix* | rs6000-*-aix*) 684 noconfigdirs="$noconfigdirs target-libssp" 685 ;; 686 rl78-*-*) 687 # libssp uses a misaligned load to trigger a fault, but the RL78 688 # doesn't fault for those - instead, it gives a build-time error 689 # for explicit misaligned loads. 690 noconfigdirs="$noconfigdirs target-libssp" 691 ;; 692 visium-*-*) 693 # No hosted I/O support. 694 noconfigdirs="$noconfigdirs target-libssp" 695 ;; 696esac 697 698# Disable libstdc++-v3 for some systems. 699# Allow user to override this if they pass --enable-libstdc++-v3 700if test "${ENABLE_LIBSTDCXX}" = "default" ; then 701 case "${target}" in 702 *-*-vxworks*) 703 # VxWorks uses the Dinkumware C++ library. 704 noconfigdirs="$noconfigdirs target-libstdc++-v3" 705 ;; 706 arm*-wince-pe*) 707 # the C++ libraries don't build on top of CE's C libraries 708 noconfigdirs="$noconfigdirs target-libstdc++-v3" 709 ;; 710 avr-*-*) 711 noconfigdirs="$noconfigdirs target-libstdc++-v3" 712 ;; 713 esac 714fi 715 716# Disable Fortran for some systems. 717case "${target}" in 718 mmix-*-*) 719 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>. 720 unsupported_languages="$unsupported_languages fortran" 721 ;; 722esac 723 724# Disable Java if libffi is not supported. 725case "${target}" in 726 aarch64-*-*) 727 ;; 728 alpha*-*-*) 729 ;; 730 arm*-*-*) 731 ;; 732 cris-*-*) 733 ;; 734 frv-*-*) 735 ;; 736 hppa*-*-linux*) 737 ;; 738 hppa*-*-hpux*) 739 ;; 740 i?86-*-*) 741 ;; 742 ia64*-*-*) 743 ;; 744 m32r*-*-*) 745 ;; 746 m68k-*-*) 747 ;; 748 mips*-*-rtems*) 749 ;; 750 mips*-*-linux*) 751 ;; 752 powerpc*-*-linux*) 753 ;; 754 powerpc-*-darwin*) 755 ;; 756 powerpc-*-aix* | rs6000-*-aix*) 757 ;; 758 powerpc-*-freebsd*) 759 ;; 760 powerpc64-*-freebsd*) 761 ;; 762 powerpc*-*-rtems*) 763 ;; 764 s390-*-* | s390x-*-*) 765 ;; 766 sh-*-* | sh[[34]]*-*-*) 767 ;; 768 sh64-*-* | sh5*-*-*) 769 ;; 770 sparc*-*-*) 771 ;; 772 x86_64-*-*) 773 ;; 774 *-*-*) 775 unsupported_languages="$unsupported_languages java" 776 ;; 777esac 778 779# Disable Java, libgcj or related libraries for some systems. 780case "${target}" in 781 powerpc-*-darwin*) 782 ;; 783 i[[3456789]]86-*-darwin*) 784 ;; 785 x86_64-*-darwin[[912]]*) 786 ;; 787 *-*-darwin*) 788 noconfigdirs="$noconfigdirs ${libgcj}" 789 ;; 790 *-*-netware*) 791 noconfigdirs="$noconfigdirs ${libgcj}" 792 ;; 793 *-*-rtems*) 794 noconfigdirs="$noconfigdirs ${libgcj}" 795 ;; 796 *-*-tpf*) 797 noconfigdirs="$noconfigdirs ${libgcj}" 798 ;; 799 *-*-uclinux*) 800 noconfigdirs="$noconfigdirs ${libgcj}" 801 ;; 802 *-*-vxworks*) 803 noconfigdirs="$noconfigdirs ${libgcj}" 804 ;; 805 alpha*-*-*vms*) 806 noconfigdirs="$noconfigdirs ${libgcj}" 807 ;; 808 arm*-*-freebsd*) 809 noconfigdirs="$noconfigdirs ${libgcj}" 810 ;; 811 arm-wince-pe) 812 noconfigdirs="$noconfigdirs ${libgcj}" 813 ;; 814 arm*-*-symbianelf*) 815 noconfigdirs="$noconfigdirs ${libgcj}" 816 ;; 817 bfin-*-*) 818 noconfigdirs="$noconfigdirs target-boehm-gc" 819 ;; 820 cris-*-* | crisv32-*-*) 821 unsupported_languages="$unsupported_languages java" 822 case "${target}" in 823 *-*-linux*) 824 ;; 825 *) # See PR46792 regarding target-libffi. 826 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";; 827 esac 828 ;; 829 hppa*64*-*-linux*) 830 # In this case, it's because the hppa64-linux target is for 831 # the kernel only at this point and has no libc, and thus no 832 # headers, crt*.o, etc., all of which are needed by these. 833 unsupported_languages="$unsupported_languages java" 834 ;; 835 hppa*64*-*-hpux*) 836 noconfigdirs="$noconfigdirs ${libgcj}" 837 ;; 838 hppa*-hp-hpux11*) 839 ;; 840 hppa*-*-hpux*) 841 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't 842 # build on HP-UX 10.20. 843 noconfigdirs="$noconfigdirs ${libgcj}" 844 ;; 845 ia64*-*-*vms*) 846 noconfigdirs="$noconfigdirs ${libgcj}" 847 ;; 848 i[[3456789]]86-w64-mingw*) 849 noconfigdirs="$noconfigdirs ${libgcj}" 850 ;; 851 i[[3456789]]86-*-mingw*) 852 noconfigdirs="$noconfigdirs ${libgcj}" 853 ;; 854 x86_64-*-mingw*) 855 noconfigdirs="$noconfigdirs ${libgcj}" 856 ;; 857 mmix-*-*) 858 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc" 859 ;; 860 powerpc-*-aix*) 861 # copied from rs6000-*-* entry 862 noconfigdirs="$noconfigdirs ${libgcj}" 863 ;; 864 rs6000-*-aix*) 865 noconfigdirs="$noconfigdirs ${libgcj}" 866 ;; 867 *-*-lynxos*) 868 noconfigdirs="$noconfigdirs ${libgcj}" 869 ;; 870esac 871 872# Disable the go frontend on systems where it is known to not work. Please keep 873# this in sync with contrib/config-list.mk. 874case "${target}" in 875*-*-darwin* | *-*-cygwin* | *-*-mingw* | *-*-aix*) 876 unsupported_languages="$unsupported_languages go" 877 ;; 878esac 879 880# Disable libgo for some systems where it is known to not work. 881# For testing, you can easily override this with --enable-libgo. 882if test x$enable_libgo = x; then 883 case "${target}" in 884 *-*-darwin*) 885 # PR 46986 886 noconfigdirs="$noconfigdirs target-libgo" 887 ;; 888 *-*-cygwin* | *-*-mingw*) 889 noconfigdirs="$noconfigdirs target-libgo" 890 ;; 891 *-*-aix*) 892 noconfigdirs="$noconfigdirs target-libgo" 893 ;; 894 esac 895fi 896 897# Default libgloss CPU subdirectory. 898libgloss_dir="$target_cpu" 899 900case "${target}" in 901 sh*-*-pe|mips*-*-pe|*arm-wince-pe) 902 libgloss_dir=wince 903 ;; 904 aarch64*-*-* ) 905 libgloss_dir=aarch64 906 ;; 907 arm*-*-*) 908 libgloss_dir=arm 909 ;; 910 cris-*-* | crisv32-*-*) 911 libgloss_dir=cris 912 ;; 913 hppa*-*-*) 914 libgloss_dir=pa 915 ;; 916 i[[3456789]]86-*-*) 917 libgloss_dir=i386 918 ;; 919 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*) 920 libgloss_dir=m68hc11 921 ;; 922 m68*-*-* | fido-*-*) 923 libgloss_dir=m68k 924 ;; 925 mips*-*-*) 926 libgloss_dir=mips 927 ;; 928 powerpc*-*-*) 929 libgloss_dir=rs6000 930 ;; 931 sparc*-*-*) 932 libgloss_dir=sparc 933 ;; 934esac 935 936# Disable newlib and libgloss for various target OSes. 937case "${target}" in 938 alpha*-dec-osf*) 939 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 940 ;; 941 i[[3456789]]86-*-linux*) 942 # This section makes it possible to build newlib natively on linux. 943 # If we are using a cross compiler then don't configure newlib. 944 if test x${is_cross_compiler} != xno ; then 945 noconfigdirs="$noconfigdirs target-newlib" 946 fi 947 noconfigdirs="$noconfigdirs target-libgloss" 948 # If we are not using a cross compiler, do configure newlib. 949 # Note however, that newlib will only be configured in this situation 950 # if the --with-newlib option has been given, because otherwise 951 # 'target-newlib' will appear in skipdirs. 952 ;; 953 i[[3456789]]86-*-rdos*) 954 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 955 ;; 956 sh*-*-pe|mips*-*-pe|arm-wince-pe) 957 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 958 ;; 959 sparc-*-sunos4*) 960 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 961 ;; 962 *-*-aix*) 963 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 964 ;; 965 *-*-beos*) 966 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 967 ;; 968 *-*-chorusos) 969 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 970 ;; 971 *-*-dragonfly*) 972 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 973 ;; 974 *-*-freebsd*) 975 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 976 ;; 977 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 978 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 979 ;; 980 *-*-lynxos*) 981 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 982 ;; 983 *-*-mingw*) 984 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 985 ;; 986 *-*-netbsd*) 987 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 988 ;; 989 *-*-netware*) 990 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 991 ;; 992 *-*-tpf*) 993 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 994 ;; 995 *-*-uclinux*) 996 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 997 ;; 998 *-*-vxworks*) 999 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1000 ;; 1001esac 1002 1003case "${target}" in 1004 *-*-chorusos) 1005 ;; 1006 powerpc-*-darwin*) 1007 noconfigdirs="$noconfigdirs ld gas gdb gprof" 1008 noconfigdirs="$noconfigdirs sim target-rda" 1009 ;; 1010 i[[3456789]]86-*-darwin*) 1011 noconfigdirs="$noconfigdirs ld gprof" 1012 noconfigdirs="$noconfigdirs sim target-rda" 1013 ;; 1014 x86_64-*-darwin[[912]]*) 1015 noconfigdirs="$noconfigdirs ld gas gprof" 1016 noconfigdirs="$noconfigdirs sim target-rda" 1017 ;; 1018 *-*-darwin*) 1019 noconfigdirs="$noconfigdirs ld gas gdb gprof" 1020 noconfigdirs="$noconfigdirs sim target-rda" 1021 ;; 1022 *-*-dragonfly*) 1023 ;; 1024 *-*-freebsd*) 1025 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \ 1026 && test -f /usr/local/include/gmp.h; then 1027 with_gmp=/usr/local 1028 fi 1029 ;; 1030 *-*-kaos*) 1031 # Remove unsupported stuff on all kaOS configurations. 1032 noconfigdirs="$noconfigdirs target-libgloss" 1033 ;; 1034 *-*-netbsd*) 1035 ;; 1036 *-*-netware*) 1037 ;; 1038 *-*-rtems*) 1039 noconfigdirs="$noconfigdirs target-libgloss" 1040 # this is not caught below because this stanza matches earlier 1041 case $target in 1042 or1k*-*-*) noconfigdirs="$noconfigdirs gdb" ;; 1043 esac 1044 ;; 1045 # The tpf target doesn't support gdb yet. 1046 *-*-tpf*) 1047 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl" 1048 ;; 1049 *-*-uclinux*) 1050 noconfigdirs="$noconfigdirs target-rda" 1051 ;; 1052 *-*-vxworks*) 1053 ;; 1054 alpha*-dec-osf*) 1055 # ld works, but does not support shared libraries. 1056 # gas doesn't generate exception information. 1057 noconfigdirs="$noconfigdirs gas ld" 1058 ;; 1059 alpha*-*-*vms*) 1060 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss" 1061 ;; 1062 alpha*-*-*) 1063 # newlib is not 64 bit ready 1064 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1065 ;; 1066 sh*-*-pe|mips*-*-pe|*arm-wince-pe) 1067 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim" 1068 ;; 1069 arc-*-*|arceb-*-*) 1070 noconfigdirs="$noconfigdirs target-libgloss" 1071 ;; 1072 arm-*-pe*) 1073 noconfigdirs="$noconfigdirs target-libgloss" 1074 ;; 1075 arm-*-riscix*) 1076 noconfigdirs="$noconfigdirs ld target-libgloss" 1077 ;; 1078 avr-*-rtems*) 1079 ;; 1080 avr-*-*) 1081 if test x${with_avrlibc} != xno; then 1082 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1083 fi 1084 ;; 1085 c4x-*-* | tic4x-*-*) 1086 noconfigdirs="$noconfigdirs target-libgloss" 1087 ;; 1088 tic54x-*-*) 1089 noconfigdirs="$noconfigdirs target-libgloss gdb" 1090 ;; 1091 d10v-*-*) 1092 noconfigdirs="$noconfigdirs target-libgloss" 1093 ;; 1094 d30v-*-*) 1095 noconfigdirs="$noconfigdirs gdb" 1096 ;; 1097 fr30-*-elf*) 1098 noconfigdirs="$noconfigdirs gdb" 1099 ;; 1100 moxie-*-*) 1101 noconfigdirs="$noconfigdirs gprof" 1102 ;; 1103 h8300*-*-*) 1104 noconfigdirs="$noconfigdirs target-libgloss" 1105 ;; 1106 h8500-*-*) 1107 noconfigdirs="$noconfigdirs target-libgloss" 1108 ;; 1109 hppa1.1-*-osf* | hppa1.1-*-bsd* ) 1110 ;; 1111 hppa*64*-*-linux*) 1112 ;; 1113 hppa*-*-linux*) 1114 ;; 1115 hppa*-*-*elf* | \ 1116 hppa*-*-lites* | \ 1117 hppa*-*-openbsd* | \ 1118 hppa*64*-*-*) 1119 ;; 1120 hppa*-hp-hpux11*) 1121 noconfigdirs="$noconfigdirs ld" 1122 ;; 1123 hppa*-*-pro*) 1124 ;; 1125 hppa*-*-*) 1126 noconfigdirs="$noconfigdirs ld" 1127 ;; 1128 i960-*-*) 1129 noconfigdirs="$noconfigdirs gdb" 1130 ;; 1131 ia64*-*-elf*) 1132 # No gdb support yet. 1133 noconfigdirs="$noconfigdirs readline libgui itcl gdb" 1134 ;; 1135 ia64*-**-hpux*) 1136 # No ld support yet. 1137 noconfigdirs="$noconfigdirs libgui itcl ld" 1138 ;; 1139 ia64*-*-*vms*) 1140 # No ld support yet. 1141 noconfigdirs="$noconfigdirs libgui itcl ld" 1142 ;; 1143 i[[3456789]]86-w64-mingw*) 1144 ;; 1145 i[[3456789]]86-*-mingw*) 1146 target_configdirs="$target_configdirs target-winsup" 1147 ;; 1148 *-*-cygwin*) 1149 target_configdirs="$target_configdirs target-libtermcap target-winsup" 1150 noconfigdirs="$noconfigdirs target-libgloss" 1151 # always build newlib if winsup directory is present. 1152 if test -d "$srcdir/winsup/cygwin"; then 1153 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` 1154 elif test -d "$srcdir/newlib"; then 1155 echo "Warning: winsup/cygwin is missing so newlib can't be built." 1156 fi 1157 ;; 1158 i[[3456789]]86-*-pe) 1159 noconfigdirs="$noconfigdirs target-libgloss" 1160 ;; 1161 i[[3456789]]86-*-sco3.2v5*) 1162 # The linker does not yet know about weak symbols in COFF, 1163 # and is not configured to handle mixed ELF and COFF. 1164 noconfigdirs="$noconfigdirs ld target-libgloss" 1165 ;; 1166 i[[3456789]]86-*-sco*) 1167 noconfigdirs="$noconfigdirs gprof target-libgloss" 1168 ;; 1169 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*) 1170 noconfigdirs="$noconfigdirs target-libgloss" 1171 ;; 1172 i[[3456789]]86-*-sysv4*) 1173 noconfigdirs="$noconfigdirs target-libgloss" 1174 ;; 1175 i[[3456789]]86-*-beos*) 1176 noconfigdirs="$noconfigdirs gdb" 1177 ;; 1178 i[[3456789]]86-*-rdos*) 1179 noconfigdirs="$noconfigdirs gdb" 1180 ;; 1181 mmix-*-*) 1182 noconfigdirs="$noconfigdirs gdb" 1183 ;; 1184 mt-*-*) 1185 noconfigdirs="$noconfigdirs sim" 1186 ;; 1187 powerpc-*-aix*) 1188 # copied from rs6000-*-* entry 1189 noconfigdirs="$noconfigdirs gprof" 1190 ;; 1191 powerpc*-*-winnt* | powerpc*-*-pe*) 1192 target_configdirs="$target_configdirs target-winsup" 1193 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl" 1194 # always build newlib. 1195 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` 1196 ;; 1197 # This is temporary until we can link against shared libraries 1198 powerpcle-*-solaris*) 1199 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl" 1200 ;; 1201 powerpc-*-beos*) 1202 noconfigdirs="$noconfigdirs gdb" 1203 ;; 1204 rs6000-*-lynxos*) 1205 noconfigdirs="$noconfigdirs gprof" 1206 ;; 1207 rs6000-*-aix*) 1208 noconfigdirs="$noconfigdirs gprof" 1209 ;; 1210 rs6000-*-*) 1211 noconfigdirs="$noconfigdirs gprof" 1212 ;; 1213 m68k-apollo-*) 1214 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss" 1215 ;; 1216 microblaze*) 1217 noconfigdirs="$noconfigdirs gprof" 1218 ;; 1219 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*) 1220 if test x$with_newlib = xyes; then 1221 noconfigdirs="$noconfigdirs gprof" 1222 fi 1223 ;; 1224 mips*-*-irix5*) 1225 noconfigdirs="$noconfigdirs gprof target-libgloss" 1226 ;; 1227 mips*-*-irix6*) 1228 noconfigdirs="$noconfigdirs gprof target-libgloss" 1229 ;; 1230 mips*-*-bsd*) 1231 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss" 1232 ;; 1233 mips*-*-linux*) 1234 ;; 1235 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \ 1236 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*) 1237 noconfigdirs="$noconfigdirs ld gas gprof" 1238 ;; 1239 mips*-*-*) 1240 noconfigdirs="$noconfigdirs gprof" 1241 ;; 1242 nds32*-*-*) 1243 noconfigdirs="$noconfigdirs gdb" 1244 ;; 1245 nvptx*-*-*) 1246 # nvptx is just a compiler 1247 noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc" 1248 ;; 1249 or1k*-*-*) 1250 noconfigdirs="$noconfigdirs gdb" 1251 ;; 1252 sh-*-* | sh64-*-*) 1253 case "${target}" in 1254 sh*-*-elf) 1255 ;; 1256 *) 1257 noconfigdirs="$noconfigdirs target-libgloss" ;; 1258 esac 1259 ;; 1260 sparc-*-sunos4*) 1261 if test x${is_cross_compiler} = xno ; then 1262 use_gnu_ld=no 1263 fi 1264 ;; 1265 tic6x-*-*) 1266 noconfigdirs="$noconfigdirs sim" 1267 ;; 1268 tilepro*-*-* | tilegx*-*-*) 1269 noconfigdirs="$noconfigdirs sim" 1270 ;; 1271 v810-*-*) 1272 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss" 1273 ;; 1274 vax-*-*) 1275 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1276 ;; 1277esac 1278 1279# If we aren't building newlib, then don't build libgloss, since libgloss 1280# depends upon some newlib header files. 1281case "${noconfigdirs}" in 1282 *target-libgloss*) ;; 1283 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;; 1284esac 1285 1286# Work in distributions that contain no compiler tools, like Autoconf. 1287host_makefile_frag=/dev/null 1288if test -d ${srcdir}/config ; then 1289case "${host}" in 1290 i[[3456789]]86-*-msdosdjgpp*) 1291 host_makefile_frag="config/mh-djgpp" 1292 ;; 1293 *-cygwin*) 1294 ACX_CHECK_CYGWIN_CAT_WORKS 1295 host_makefile_frag="config/mh-cygwin" 1296 ;; 1297 *-mingw*) 1298 host_makefile_frag="config/mh-mingw" 1299 ;; 1300 alpha*-linux*) 1301 host_makefile_frag="config/mh-alpha-linux" 1302 ;; 1303 hppa*-hp-hpux10*) 1304 host_makefile_frag="config/mh-pa-hpux10" 1305 ;; 1306 hppa*-hp-hpux*) 1307 host_makefile_frag="config/mh-pa" 1308 ;; 1309 hppa*-*) 1310 host_makefile_frag="config/mh-pa" 1311 ;; 1312 *-*-darwin*) 1313 host_makefile_frag="config/mh-darwin" 1314 ;; 1315 powerpc-*-aix*) 1316 host_makefile_frag="config/mh-ppc-aix" 1317 ;; 1318 rs6000-*-aix*) 1319 host_makefile_frag="config/mh-ppc-aix" 1320 ;; 1321esac 1322fi 1323 1324if test "${build}" != "${host}" ; then 1325 AR_FOR_BUILD=${AR_FOR_BUILD-ar} 1326 AS_FOR_BUILD=${AS_FOR_BUILD-as} 1327 CC_FOR_BUILD=${CC_FOR_BUILD-gcc} 1328 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++} 1329 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj} 1330 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran} 1331 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo} 1332 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool} 1333 LD_FOR_BUILD=${LD_FOR_BUILD-ld} 1334 NM_FOR_BUILD=${NM_FOR_BUILD-nm} 1335 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib} 1336 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres} 1337 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc} 1338else 1339 AR_FOR_BUILD="\$(AR)" 1340 AS_FOR_BUILD="\$(AS)" 1341 CC_FOR_BUILD="\$(CC)" 1342 CXX_FOR_BUILD="\$(CXX)" 1343 GCJ_FOR_BUILD="\$(GCJ)" 1344 GFORTRAN_FOR_BUILD="\$(GFORTRAN)" 1345 GOC_FOR_BUILD="\$(GOC)" 1346 DLLTOOL_FOR_BUILD="\$(DLLTOOL)" 1347 LD_FOR_BUILD="\$(LD)" 1348 NM_FOR_BUILD="\$(NM)" 1349 RANLIB_FOR_BUILD="\$(RANLIB)" 1350 WINDRES_FOR_BUILD="\$(WINDRES)" 1351 WINDMC_FOR_BUILD="\$(WINDMC)" 1352fi 1353 1354AC_PROG_CC 1355AC_PROG_CXX 1356 1357# We must set the default linker to the linker used by gcc for the correct 1358# operation of libtool. If LD is not defined and we are using gcc, try to 1359# set the LD default to the ld used by gcc. 1360if test -z "$LD"; then 1361 if test "$GCC" = yes; then 1362 case $build in 1363 *-*-mingw*) 1364 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;; 1365 *) 1366 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;; 1367 esac 1368 case $gcc_prog_ld in 1369 # Accept absolute paths. 1370 [[\\/]* | [A-Za-z]:[\\/]*)] 1371 LD="$gcc_prog_ld" ;; 1372 esac 1373 fi 1374fi 1375 1376# Check whether -static-libstdc++ -static-libgcc is supported. 1377have_static_libs=no 1378if test "$GCC" = yes; then 1379 saved_LDFLAGS="$LDFLAGS" 1380 1381 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc" 1382 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc]) 1383 AC_LANG_PUSH(C++) 1384 AC_LINK_IFELSE([ 1385#if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5) 1386#error -static-libstdc++ not implemented 1387#endif 1388int main() {}], 1389 [AC_MSG_RESULT([yes]); have_static_libs=yes], 1390 [AC_MSG_RESULT([no])]) 1391 AC_LANG_POP(C++) 1392 1393 LDFLAGS="$saved_LDFLAGS" 1394fi 1395 1396ACX_PROG_GNAT 1397ACX_PROG_CMP_IGNORE_INITIAL 1398 1399AC_ARG_ENABLE([bootstrap], 1400[AS_HELP_STRING([--enable-bootstrap], 1401 [enable bootstrapping @<:@yes if native build@:>@])],, 1402enable_bootstrap=default) 1403 1404# Issue errors and warnings for invalid/strange bootstrap combinations. 1405if test -r $srcdir/gcc/configure; then 1406 have_compiler=yes 1407else 1408 have_compiler=no 1409fi 1410 1411case "$have_compiler:$host:$target:$enable_bootstrap" in 1412 *:*:*:no) ;; 1413 1414 # Default behavior. Enable bootstrap if we have a compiler 1415 # and we are in a native configuration. 1416 yes:$build:$build:default) 1417 enable_bootstrap=yes ;; 1418 1419 *:*:*:default) 1420 enable_bootstrap=no ;; 1421 1422 # We have a compiler and we are in a native configuration, bootstrap is ok 1423 yes:$build:$build:yes) 1424 ;; 1425 1426 # Other configurations, but we have a compiler. Assume the user knows 1427 # what he's doing. 1428 yes:*:*:yes) 1429 AC_MSG_WARN([trying to bootstrap a cross compiler]) 1430 ;; 1431 1432 # No compiler: if they passed --enable-bootstrap explicitly, fail 1433 no:*:*:yes) 1434 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;; 1435 1436 # Fail if wrong command line 1437 *) 1438 AC_MSG_ERROR([invalid option for --enable-bootstrap]) 1439 ;; 1440esac 1441 1442# Used for setting $lt_cv_objdir 1443_LT_CHECK_OBJDIR 1444 1445# Check for GMP, MPFR and MPC 1446gmplibs="-lmpc -lmpfr -lgmp" 1447gmpinc= 1448have_gmp=no 1449 1450# Specify a location for mpc 1451# check for this first so it ends up on the link line before mpfr. 1452AC_ARG_WITH(mpc, 1453[AS_HELP_STRING([--with-mpc=PATH], 1454 [specify prefix directory for installed MPC package. 1455 Equivalent to --with-mpc-include=PATH/include 1456 plus --with-mpc-lib=PATH/lib])]) 1457AC_ARG_WITH(mpc-include, 1458[AS_HELP_STRING([--with-mpc-include=PATH], 1459 [specify directory for installed MPC include files])]) 1460AC_ARG_WITH(mpc-lib, 1461[AS_HELP_STRING([--with-mpc-lib=PATH], 1462 [specify directory for the installed MPC library])]) 1463 1464if test "x$with_mpc" != x; then 1465 gmplibs="-L$with_mpc/lib $gmplibs" 1466 gmpinc="-I$with_mpc/include $gmpinc" 1467fi 1468if test "x$with_mpc_include" != x; then 1469 gmpinc="-I$with_mpc_include $gmpinc" 1470fi 1471if test "x$with_mpc_lib" != x; then 1472 gmplibs="-L$with_mpc_lib $gmplibs" 1473fi 1474if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then 1475 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs" 1476 gmpinc='-I$$s/mpc/src '"$gmpinc" 1477 # Do not test the mpc version. Assume that it is sufficient, since 1478 # it is in the source tree, and the library has not been built yet 1479 # but it would be included on the link line in the version check below 1480 # hence making the test fail. 1481 have_gmp=yes 1482fi 1483 1484# Specify a location for mpfr 1485# check for this first so it ends up on the link line before gmp. 1486AC_ARG_WITH(mpfr-dir, 1487[AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])], 1488[AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed. 1489Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])]) 1490 1491AC_ARG_WITH(mpfr, 1492[AS_HELP_STRING([--with-mpfr=PATH], 1493 [specify prefix directory for installed MPFR package. 1494 Equivalent to --with-mpfr-include=PATH/include 1495 plus --with-mpfr-lib=PATH/lib])]) 1496AC_ARG_WITH(mpfr-include, 1497[AS_HELP_STRING([--with-mpfr-include=PATH], 1498 [specify directory for installed MPFR include files])]) 1499AC_ARG_WITH(mpfr-lib, 1500[AS_HELP_STRING([--with-mpfr-lib=PATH], 1501 [specify directory for the installed MPFR library])]) 1502 1503if test "x$with_mpfr" != x; then 1504 gmplibs="-L$with_mpfr/lib $gmplibs" 1505 gmpinc="-I$with_mpfr/include $gmpinc" 1506fi 1507if test "x$with_mpfr_include" != x; then 1508 gmpinc="-I$with_mpfr_include $gmpinc" 1509fi 1510if test "x$with_mpfr_lib" != x; then 1511 gmplibs="-L$with_mpfr_lib $gmplibs" 1512fi 1513if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then 1514 # MPFR v3.1.0 moved the sources into a src sub-directory. 1515 if test -d ${srcdir}/mpfr/src; then 1516 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs" 1517 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc" 1518 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir" 1519 else 1520 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs" 1521 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc" 1522 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir" 1523 fi 1524 # Do not test the mpfr version. Assume that it is sufficient, since 1525 # it is in the source tree, and the library has not been built yet 1526 # but it would be included on the link line in the version check below 1527 # hence making the test fail. 1528 have_gmp=yes 1529fi 1530 1531# Specify a location for gmp 1532AC_ARG_WITH(gmp-dir, 1533[AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])], 1534[AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed. 1535Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])]) 1536 1537AC_ARG_WITH(gmp, 1538[AS_HELP_STRING([--with-gmp=PATH], 1539 [specify prefix directory for the installed GMP package. 1540 Equivalent to --with-gmp-include=PATH/include 1541 plus --with-gmp-lib=PATH/lib])]) 1542AC_ARG_WITH(gmp-include, 1543[AS_HELP_STRING([--with-gmp-include=PATH], 1544 [specify directory for installed GMP include files])]) 1545AC_ARG_WITH(gmp-lib, 1546[AS_HELP_STRING([--with-gmp-lib=PATH], 1547 [specify directory for the installed GMP library])]) 1548 1549 1550if test "x$with_gmp" != x; then 1551 gmplibs="-L$with_gmp/lib $gmplibs" 1552 gmpinc="-I$with_gmp/include $gmpinc" 1553fi 1554if test "x$with_gmp_include" != x; then 1555 gmpinc="-I$with_gmp_include $gmpinc" 1556fi 1557if test "x$with_gmp_lib" != x; then 1558 gmplibs="-L$with_gmp_lib $gmplibs" 1559fi 1560if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then 1561 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs" 1562 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc" 1563 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir" 1564 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir" 1565 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp' 1566 # Do not test the gmp version. Assume that it is sufficient, since 1567 # it is in the source tree, and the library has not been built yet 1568 # but it would be included on the link line in the version check below 1569 # hence making the test fail. 1570 have_gmp=yes 1571fi 1572 1573if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then 1574 have_gmp=yes 1575 saved_CFLAGS="$CFLAGS" 1576 CFLAGS="$CFLAGS $gmpinc" 1577 # Check for the recommended and required versions of GMP. 1578 AC_MSG_CHECKING([for the correct version of gmp.h]) 1579 AC_TRY_COMPILE([#include "gmp.h"],[ 1580 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) 1581 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) 1582 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3) 1583 choke me 1584 #endif 1585 ], [AC_TRY_COMPILE([#include <gmp.h>],[ 1586 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) 1587 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) 1588 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2) 1589 choke me 1590 #endif 1591 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1592 [AC_MSG_RESULT([no]); have_gmp=no]) 1593 1594 # If we have GMP, check the MPFR version. 1595 if test x"$have_gmp" = xyes; then 1596 # Check for the recommended and required versions of MPFR. 1597 AC_MSG_CHECKING([for the correct version of mpfr.h]) 1598 AC_TRY_COMPILE([#include <gmp.h> 1599 #include <mpfr.h>],[ 1600 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0) 1601 choke me 1602 #endif 1603 ], [AC_TRY_COMPILE([#include <gmp.h> 1604 #include <mpfr.h>],[ 1605 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2) 1606 choke me 1607 #endif 1608 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1609 [AC_MSG_RESULT([no]); have_gmp=no]) 1610 fi 1611 1612 # Check for the MPC header version. 1613 if test x"$have_gmp" = xyes ; then 1614 # Check for the recommended and required versions of MPC. 1615 AC_MSG_CHECKING([for the correct version of mpc.h]) 1616 AC_TRY_COMPILE([#include <mpc.h>],[ 1617 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0) 1618 choke me 1619 #endif 1620 ], [AC_TRY_COMPILE([#include <mpc.h>],[ 1621 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1) 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 fi 1627 1628 # Now check the MPFR library. 1629 if test x"$have_gmp" = xyes; then 1630 saved_LIBS="$LIBS" 1631 LIBS="$LIBS $gmplibs" 1632 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries]) 1633 AC_TRY_LINK([#include <mpc.h>],[ 1634 mpfr_t n; 1635 mpfr_t x; 1636 mpc_t c; 1637 int t; 1638 mpfr_init (n); 1639 mpfr_init (x); 1640 mpfr_atan2 (n, n, x, GMP_RNDN); 1641 mpfr_erfc (n, x, GMP_RNDN); 1642 mpfr_subnormalize (x, t, GMP_RNDN); 1643 mpfr_clear(n); 1644 mpfr_clear(x); 1645 mpc_init2 (c, 53); 1646 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN); 1647 mpc_cosh (c, c, MPC_RNDNN); 1648 mpc_pow (c, c, c, MPC_RNDNN); 1649 mpc_acosh (c, c, MPC_RNDNN); 1650 mpc_clear (c); 1651 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no]) 1652 LIBS="$saved_LIBS" 1653 fi 1654 1655 CFLAGS="$saved_CFLAGS" 1656 1657# The library versions listed in the error message below should match 1658# the HARD-minimums enforced above. 1659 if test x$have_gmp != xyes; then 1660 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+. 1661Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify 1662their locations. Source code for these libraries can be found at 1663their respective hosting sites as well as at 1664ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also 1665http://gcc.gnu.org/install/prerequisites.html for additional info. If 1666you obtained GMP, MPFR and/or MPC from a vendor distribution package, 1667make sure that you have installed both the libraries and the header 1668files. They may be located in separate packages.]) 1669 fi 1670fi 1671 1672# Flags needed for both GMP, MPFR and/or MPC. 1673AC_SUBST(gmplibs) 1674AC_SUBST(gmpinc) 1675AC_SUBST(extra_mpfr_configure_flags) 1676AC_SUBST(extra_mpc_gmp_configure_flags) 1677AC_SUBST(extra_mpc_mpfr_configure_flags) 1678AC_SUBST(extra_isl_gmp_configure_flags) 1679 1680# Allow host libstdc++ to be specified for static linking with PPL. 1681AC_ARG_WITH(host-libstdcxx, 1682[AS_HELP_STRING([--with-host-libstdcxx=L], 1683 [use linker arguments L to link with libstdc++ 1684 when linking with PPL])]) 1685 1686case $with_host_libstdcxx in 1687 no|yes) 1688 AC_MSG_ERROR([-with-host-libstdcxx needs an argument]) 1689 ;; 1690esac 1691 1692# Libraries to use for stage1 or when not bootstrapping. 1693AC_ARG_WITH(stage1-libs, 1694[AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])], 1695[if test "$withval" = "no" -o "$withval" = "yes"; then 1696 stage1_libs= 1697 else 1698 stage1_libs=$withval 1699 fi], 1700[stage1_libs=$with_host_libstdcxx]) 1701AC_SUBST(stage1_libs) 1702 1703# Linker flags to use for stage1 or when not bootstrapping. 1704AC_ARG_WITH(stage1-ldflags, 1705[AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])], 1706[if test "$withval" = "no" -o "$withval" = "yes"; then 1707 stage1_ldflags= 1708 else 1709 stage1_ldflags=$withval 1710 fi], 1711[stage1_ldflags= 1712 # In stage 1, default to linking libstdc++ and libgcc statically with GCC 1713 # if supported. But if the user explicitly specified the libraries to use, 1714 # trust that they are doing what they want. 1715 if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then 1716 stage1_ldflags="-static-libstdc++ -static-libgcc" 1717 fi]) 1718AC_SUBST(stage1_ldflags) 1719 1720# Libraries to use for stage2 and later builds. This defaults to the 1721# argument passed to --with-host-libstdcxx. 1722AC_ARG_WITH(boot-libs, 1723[AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])], 1724[if test "$withval" = "no" -o "$withval" = "yes"; then 1725 poststage1_libs= 1726 else 1727 poststage1_libs=$withval 1728 fi], 1729[poststage1_libs=$with_host_libstdcxx]) 1730AC_SUBST(poststage1_libs) 1731 1732# Linker flags to use for stage2 and later builds. 1733AC_ARG_WITH(boot-ldflags, 1734[AS_HELP_STRING([--with-boot-ldflags=FLAGS], 1735 [linker flags for stage2 and later])], 1736[if test "$withval" = "no" -o "$withval" = "yes"; then 1737 poststage1_ldflags= 1738 else 1739 poststage1_ldflags=$withval 1740 fi], 1741[poststage1_ldflags= 1742 # In stages 2 and 3, default to linking libstdc++ and libgcc 1743 # statically. But if the user explicitly specified the libraries to 1744 # use, trust that they are doing what they want. 1745 if test "$poststage1_libs" = ""; then 1746 poststage1_ldflags="-static-libstdc++ -static-libgcc" 1747 fi]) 1748AC_SUBST(poststage1_ldflags) 1749 1750# GCC GRAPHITE dependency ISL. 1751# Basic setup is inlined here, actual checks are in config/isl.m4 1752 1753AC_ARG_WITH(isl, 1754 [AS_HELP_STRING( 1755 [--with-isl=PATH], 1756 [Specify prefix directory for the installed ISL package. 1757 Equivalent to --with-isl-include=PATH/include 1758 plus --with-isl-lib=PATH/lib])]) 1759 1760# Treat --without-isl as a request to disable 1761# GRAPHITE support and skip all following checks. 1762if test "x$with_isl" != "xno"; then 1763 # Check for ISL 1764 dnl Provide configure switches and initialize islinc & isllibs 1765 dnl with user input. 1766 ISL_INIT_FLAGS 1767 dnl The versions of ISL that work for Graphite 1768 ISL_CHECK_VERSION() 1769 dnl Only execute fail-action, if ISL has been requested. 1770 ISL_IF_FAILED([ 1771 AC_MSG_ERROR([Unable to find a usable ISL. See config.log for details.])]) 1772fi 1773 1774# If the ISL check failed, disable builds of in-tree variant of ISL 1775if test "x$with_isl" = xno || 1776 test "x$gcc_cv_isl" = xno; then 1777 noconfigdirs="$noconfigdirs isl" 1778 islinc= 1779fi 1780 1781AC_SUBST(isllibs) 1782AC_SUBST(islinc) 1783 1784# Check for LTO support. 1785AC_ARG_ENABLE(lto, 1786[AS_HELP_STRING([--enable-lto], [enable link time optimization support])], 1787enable_lto=$enableval, 1788enable_lto=yes; default_enable_lto=yes) 1789 1790ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always. 1791 case $target in 1792 m68010-*) 1793 build_lto_plugin=no;; 1794 *) 1795 build_lto_plugin=yes;; 1796 esac 1797],[if test x"$default_enable_lto" = x"yes" ; then 1798 case $target in 1799 *-apple-darwin9* | *-cygwin* | *-mingw*) ;; 1800 # On other non-ELF platforms, LTO has yet to be validated. 1801 *) enable_lto=no ;; 1802 esac 1803 else 1804 # Apart from ELF platforms, only Windows and Darwin support LTO so far. 1805 # It would also be nice to check the binutils support, but we don't 1806 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just 1807 # warn during gcc/ subconfigure; unless you're bootstrapping with 1808 # -flto it won't be needed until after installation anyway. 1809 case $target in 1810 *-cygwin* | *-mingw* | *-apple-darwin*) ;; 1811 *) if test x"$enable_lto" = x"yes"; then 1812 AC_MSG_ERROR([LTO support is not enabled for this target.]) 1813 fi 1814 ;; 1815 esac 1816 fi 1817 # Among non-ELF, only Windows platforms support the lto-plugin so far. 1818 # Build it unless LTO was explicitly disabled. 1819 case $target in 1820 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;; 1821 *) ;; 1822 esac 1823]) 1824 1825AC_ARG_ENABLE(linker-plugin-configure-flags, 1826 [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]], 1827 [additional flags for configuring linker plugins @<:@none@:>@])], 1828 extra_linker_plugin_configure_flags=$enableval, 1829 extra_linker_plugin_configure_flags=) 1830AC_SUBST(extra_linker_plugin_configure_flags) 1831AC_ARG_ENABLE(linker-plugin-flags, 1832 [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]], 1833 [additional flags for configuring and building linker plugins @<:@none@:>@])], 1834 extra_linker_plugin_flags=$enableval, 1835 extra_linker_plugin_flags=) 1836AC_SUBST(extra_linker_plugin_flags) 1837 1838 1839# By default, C and C++ are the only stage 1 languages. 1840stage1_languages=,c, 1841 1842# Target libraries that we bootstrap. 1843bootstrap_target_libs=,target-libgcc, 1844 1845# Figure out what language subdirectories are present. 1846# Look if the user specified --enable-languages="..."; if not, use 1847# the environment variable $LANGUAGES if defined. $LANGUAGES might 1848# go away some day. 1849# NB: embedded tabs in this IF block -- do not untabify 1850if test -d ${srcdir}/gcc; then 1851 if test x"${enable_languages+set}" != xset; then 1852 if test x"${LANGUAGES+set}" = xset; then 1853 enable_languages="${LANGUAGES}" 1854 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2 1855 else 1856 enable_languages=all 1857 fi 1858 else 1859 if test x"${enable_languages}" = x || 1860 test x"${enable_languages}" = xyes; 1861 then 1862 echo configure.in: --enable-languages needs at least one language argument 1>&2 1863 exit 1 1864 fi 1865 fi 1866 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'` 1867 1868 # 'f95' is the old name for the 'fortran' language. We issue a warning 1869 # and make the substitution. 1870 case ,${enable_languages}, in 1871 *,f95,*) 1872 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2 1873 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'` 1874 ;; 1875 esac 1876 1877 # If bootstrapping, C++ must be enabled. 1878 case ",$enable_languages,:$enable_bootstrap" in 1879 *,c++,*:*) ;; 1880 *:yes) 1881 if test -f ${srcdir}/gcc/cp/config-lang.in; then 1882 enable_languages="${enable_languages},c++" 1883 else 1884 AC_MSG_ERROR([bootstrapping requires c++ sources]) 1885 fi 1886 ;; 1887 esac 1888 1889 # First scan to see if an enabled language requires some other language. 1890 # We assume that a given config-lang.in will list all the language 1891 # front ends it requires, even if some are required indirectly. 1892 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do 1893 case ${lang_frag} in 1894 ..) ;; 1895 # The odd quoting in the next line works around 1896 # an apparent bug in bash 1.12 on linux. 1897 ${srcdir}/gcc/[[*]]/config-lang.in) ;; 1898 *) 1899 # From the config-lang.in, get $language, $lang_requires, and 1900 # $lang_requires_boot_languages. 1901 language= 1902 lang_requires= 1903 lang_requires_boot_languages= 1904 . ${lang_frag} 1905 for other in ${lang_requires} ${lang_requires_boot_languages}; do 1906 case ,${enable_languages}, in 1907 *,$other,*) ;; 1908 *,all,*) ;; 1909 *,$language,*) 1910 echo " \`$other' language required by \`$language'; enabling" 1>&2 1911 enable_languages="${enable_languages},${other}" 1912 ;; 1913 esac 1914 done 1915 for other in ${lang_requires_boot_languages} ; do 1916 if test "$other" != "c"; then 1917 case ,${enable_stage1_languages}, in 1918 *,$other,*) ;; 1919 *,all,*) ;; 1920 *) 1921 case ,${enable_languages}, in 1922 *,$language,*) 1923 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2 1924 enable_stage1_languages="$enable_stage1_languages,${other}" 1925 ;; 1926 esac 1927 ;; 1928 esac 1929 fi 1930 done 1931 ;; 1932 esac 1933 done 1934 1935 new_enable_languages=,c, 1936 1937 # If LTO is enabled, add the LTO front end. 1938 if test "$enable_lto" = "yes" ; then 1939 case ,${enable_languages}, in 1940 *,lto,*) ;; 1941 *) enable_languages="${enable_languages},lto" ;; 1942 esac 1943 if test "${build_lto_plugin}" = "yes" ; then 1944 configdirs="$configdirs lto-plugin" 1945 fi 1946 fi 1947 1948 # If we're building an offloading compiler, add the LTO front end. 1949 if test x"$enable_as_accelerator_for" != x ; then 1950 case ,${enable_languages}, in 1951 *,lto,*) ;; 1952 *) enable_languages="${enable_languages},lto" ;; 1953 esac 1954 fi 1955 1956 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ ` 1957 potential_languages=,c, 1958 1959 enabled_target_libs= 1960 disabled_target_libs= 1961 1962 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do 1963 case ${lang_frag} in 1964 ..) ;; 1965 # The odd quoting in the next line works around 1966 # an apparent bug in bash 1.12 on linux. 1967 ${srcdir}/gcc/[[*]]/config-lang.in) ;; 1968 *) 1969 # From the config-lang.in, get $language, $target_libs, 1970 # $lang_dirs, $boot_language, and $build_by_default 1971 language= 1972 target_libs= 1973 lang_dirs= 1974 subdir_requires= 1975 boot_language=no 1976 build_by_default=yes 1977 . ${lang_frag} 1978 if test x${language} = x; then 1979 echo "${lang_frag} doesn't set \$language." 1>&2 1980 exit 1 1981 fi 1982 1983 if test "$language" = "c++"; then 1984 boot_language=yes 1985 fi 1986 1987 add_this_lang=no 1988 case ,${enable_languages}, in 1989 *,${language},*) 1990 # Language was explicitly selected; include it 1991 # unless it is C, which is enabled by default. 1992 if test "$language" != "c"; then 1993 add_this_lang=yes 1994 fi 1995 ;; 1996 *,all,*) 1997 # 'all' was selected, select it if it is a default language 1998 if test "$language" != "c"; then 1999 add_this_lang=${build_by_default} 2000 fi 2001 ;; 2002 esac 2003 2004 # Disable languages that need other directories if these aren't available. 2005 for i in $subdir_requires; do 2006 test -f "$srcdir/gcc/$i/config-lang.in" && continue 2007 case ,${enable_languages}, in 2008 *,${language},*) 2009 # Specifically requested language; tell them. 2010 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing]) 2011 ;; 2012 *) 2013 # Silently disable. 2014 add_this_lang=unsupported 2015 ;; 2016 esac 2017 done 2018 2019 # Disable Ada if no preexisting GNAT is available. 2020 case ,${enable_languages},:${language}:${have_gnat} in 2021 *,${language},*:ada:no) 2022 # Specifically requested language; tell them. 2023 AC_MSG_ERROR([GNAT is required to build $language]) 2024 ;; 2025 *:ada:no) 2026 # Silently disable. 2027 add_this_lang=unsupported 2028 ;; 2029 esac 2030 2031 # Disable a language that is unsupported by the target. 2032 case " $unsupported_languages " in 2033 *" $language "*) 2034 add_this_lang=unsupported 2035 ;; 2036 esac 2037 2038 case $add_this_lang in 2039 unsupported) 2040 # Remove language-dependent dirs. 2041 disabled_target_libs="$disabled_target_libs $target_libs" 2042 noconfigdirs="$noconfigdirs $lang_dirs" 2043 ;; 2044 no) 2045 # Remove language-dependent dirs; still show language as supported. 2046 disabled_target_libs="$disabled_target_libs $target_libs" 2047 noconfigdirs="$noconfigdirs $lang_dirs" 2048 potential_languages="${potential_languages}${language}," 2049 ;; 2050 yes) 2051 new_enable_languages="${new_enable_languages}${language}," 2052 potential_languages="${potential_languages}${language}," 2053 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"` 2054 enabled_target_libs="$enabled_target_libs $target_libs" 2055 case "${boot_language}:,$enable_stage1_languages," in 2056 yes:* | *:*,$language,* | *:*,yes, | *:*,all,) 2057 # Add to (comma-separated) list of stage 1 languages. 2058 case ",$stage1_languages," in 2059 *,$language,* | ,yes, | ,all,) ;; 2060 *) stage1_languages="${stage1_languages}${language}," ;; 2061 esac 2062 # We need to bootstrap any supporting libraries. 2063 bootstrap_target_libs="${bootstrap_target_libs}${target_libs}," 2064 ;; 2065 esac 2066 ;; 2067 esac 2068 ;; 2069 esac 2070 done 2071 2072 # Add target libraries which are only needed for disabled languages 2073 # to noconfigdirs. 2074 if test -n "$disabled_target_libs"; then 2075 for dir in $disabled_target_libs; do 2076 case " $enabled_target_libs " in 2077 *" ${dir} "*) ;; 2078 *) noconfigdirs="$noconfigdirs $dir" ;; 2079 esac 2080 done 2081 fi 2082 2083 AC_ARG_ENABLE(stage1-languages, 2084 [AS_HELP_STRING([[--enable-stage1-languages[=all]]], 2085 [choose additional languages to build during 2086 stage1. Mostly useful for compiler development])], 2087 [case ,${enable_stage1_languages}, in 2088 ,no,|,,) 2089 # Set it to something that will have no effect in the loop below 2090 enable_stage1_languages=c ;; 2091 ,yes,) 2092 enable_stage1_languages=`echo $new_enable_languages | \ 2093 sed -e "s/^,//" -e "s/,$//" ` ;; 2094 *,all,*) 2095 enable_stage1_languages=`echo ,$enable_stage1_languages, | \ 2096 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;; 2097 esac 2098 2099 # Add "good" languages from enable_stage1_languages to stage1_languages, 2100 # while "bad" languages go in missing_languages. Leave no duplicates. 2101 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do 2102 case $potential_languages in 2103 *,$i,*) 2104 case $stage1_languages in 2105 *,$i,*) ;; 2106 *) stage1_languages="$stage1_languages$i," ;; 2107 esac ;; 2108 *) 2109 case $missing_languages in 2110 *,$i,*) ;; 2111 *) missing_languages="$missing_languages$i," ;; 2112 esac ;; 2113 esac 2114 done]) 2115 2116 # Remove leading/trailing commas that were added for simplicity 2117 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"` 2118 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"` 2119 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"` 2120 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"` 2121 2122 if test "x$missing_languages" != x; then 2123 AC_MSG_ERROR([ 2124The following requested languages could not be built: ${missing_languages} 2125Supported languages are: ${potential_languages}]) 2126 fi 2127 if test "x$new_enable_languages" != "x$enable_languages"; then 2128 echo The following languages will be built: ${new_enable_languages} 2129 enable_languages="$new_enable_languages" 2130 fi 2131 2132 AC_SUBST(stage1_languages) 2133 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" ` 2134fi 2135 2136# Handle --disable-<component> generically. 2137for dir in $configdirs $build_configdirs $target_configdirs ; do 2138 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g` 2139 varname=`echo $dirname | sed -e s/+/_/g` 2140 if eval test x\${enable_${varname}} "=" xno ; then 2141 noconfigdirs="$noconfigdirs $dir" 2142 fi 2143done 2144 2145# Check for Boehm's garbage collector 2146AC_ARG_ENABLE(objc-gc, 2147[AS_HELP_STRING([--enable-objc-gc], 2148 [enable use of Boehm's garbage collector with the 2149 GNU Objective-C runtime])], 2150[case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in 2151 *,objc,*:*:yes:*target-boehm-gc*) 2152 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration]) 2153 ;; 2154esac]) 2155 2156# Make sure we only build Boehm's garbage collector if required. 2157case ,${enable_languages},:${enable_objc_gc} in 2158 *,objc,*:yes) 2159 # Keep target-boehm-gc if requested for Objective-C. 2160 ;; 2161 *) 2162 # Otherwise remove target-boehm-gc depending on target-libjava. 2163 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then 2164 noconfigdirs="$noconfigdirs target-boehm-gc" 2165 fi 2166 ;; 2167esac 2168 2169# Disable libcilkrts, libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++ 2170case ,${enable_languages}, in 2171 *,c++,*) 2172 # Disable libcilkrts, libitm, libsanitizer if we're not building libstdc++ 2173 case "${noconfigdirs}" in 2174 *target-libstdc++-v3*) 2175 noconfigdirs="$noconfigdirs target-libcilkrts target-libitm target-libsanitizer" 2176 ;; 2177 *) ;; 2178 esac 2179 ;; 2180 *) 2181 noconfigdirs="$noconfigdirs target-libcilkrts target-liboffloadmic target-libitm target-libsanitizer target-libvtv" 2182 ;; 2183esac 2184 2185# Remove the entries in $skipdirs and $noconfigdirs from $configdirs, 2186# $build_configdirs and $target_configdirs. 2187# If we have the source for $noconfigdirs entries, add them to $notsupp. 2188 2189notsupp="" 2190for dir in . $skipdirs $noconfigdirs ; do 2191 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g` 2192 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2193 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"` 2194 if test -r $srcdir/$dirname/configure ; then 2195 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2196 true 2197 else 2198 notsupp="$notsupp $dir" 2199 fi 2200 fi 2201 fi 2202 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2203 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"` 2204 if test -r $srcdir/$dirname/configure ; then 2205 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2206 true 2207 else 2208 notsupp="$notsupp $dir" 2209 fi 2210 fi 2211 fi 2212 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2213 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"` 2214 if test -r $srcdir/$dirname/configure ; then 2215 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2216 true 2217 else 2218 notsupp="$notsupp $dir" 2219 fi 2220 fi 2221 fi 2222done 2223 2224# Quietly strip out all directories which aren't configurable in this tree. 2225# This relies on all configurable subdirectories being autoconfiscated, which 2226# is now the case. 2227build_configdirs_all="$build_configdirs" 2228build_configdirs= 2229for i in ${build_configdirs_all} ; do 2230 j=`echo $i | sed -e s/build-//g` 2231 if test -f ${srcdir}/$j/configure ; then 2232 build_configdirs="${build_configdirs} $i" 2233 fi 2234done 2235 2236configdirs_all="$configdirs" 2237configdirs= 2238for i in ${configdirs_all} ; do 2239 if test -f ${srcdir}/$i/configure ; then 2240 configdirs="${configdirs} $i" 2241 fi 2242done 2243 2244target_configdirs_all="$target_configdirs" 2245target_configdirs= 2246for i in ${target_configdirs_all} ; do 2247 j=`echo $i | sed -e s/target-//g` 2248 if test -f ${srcdir}/$j/configure ; then 2249 target_configdirs="${target_configdirs} $i" 2250 fi 2251done 2252 2253# libiberty-linker-plugin is special: it doesn't have its own source directory, 2254# so we have to add it after the preceding checks. 2255if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x 2256then 2257 case " $configdirs " in 2258 *" libiberty "*) 2259 # If we can build libiberty, we can also build libiberty-linker-plugin. 2260 configdirs="$configdirs libiberty-linker-plugin" 2261 extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \ 2262 --with-libiberty=../libiberty-linker-plugin";; 2263 *) 2264 AC_MSG_ERROR([libiberty missing]);; 2265 esac 2266fi 2267 2268# Sometimes we have special requirements for the host libiberty. 2269extra_host_libiberty_configure_flags= 2270case " $configdirs " in 2271 *" lto-plugin "* | *" libcc1 "*) 2272 # When these are to be built as shared libraries, the same applies to 2273 # libiberty. 2274 extra_host_libiberty_configure_flags=--enable-shared 2275 ;; 2276esac 2277AC_SUBST(extra_host_libiberty_configure_flags) 2278 2279# Produce a warning message for the subdirs we can't configure. 2280# This isn't especially interesting in the Cygnus tree, but in the individual 2281# FSF releases, it's important to let people know when their machine isn't 2282# supported by the one or two programs in a package. 2283 2284if test -n "${notsupp}" && test -z "${norecursion}" ; then 2285 # If $appdirs is non-empty, at least one of those directories must still 2286 # be configured, or we error out. (E.g., if the gas release supports a 2287 # specified target in some subdirs but not the gas subdir, we shouldn't 2288 # pretend that all is well.) 2289 if test -n "$appdirs" ; then 2290 for dir in $appdirs ; do 2291 if test -r $dir/Makefile.in ; then 2292 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2293 appdirs="" 2294 break 2295 fi 2296 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then 2297 appdirs="" 2298 break 2299 fi 2300 fi 2301 done 2302 if test -n "$appdirs" ; then 2303 echo "*** This configuration is not supported by this package." 1>&2 2304 exit 1 2305 fi 2306 fi 2307 # Okay, some application will build, or we don't care to check. Still 2308 # notify of subdirs not getting built. 2309 echo "*** This configuration is not supported in the following subdirectories:" 1>&2 2310 echo " ${notsupp}" 1>&2 2311 echo " (Any other directories should still work fine.)" 1>&2 2312fi 2313 2314case "$host" in 2315 *msdosdjgpp*) 2316 enable_gdbtk=no ;; 2317esac 2318 2319# To find our prefix, in gcc_cv_tool_prefix. 2320ACX_TOOL_DIRS 2321 2322copy_dirs= 2323 2324AC_ARG_WITH([build-sysroot], 2325 [AS_HELP_STRING([--with-build-sysroot=SYSROOT], 2326 [use sysroot as the system root during the build])], 2327 [if test x"$withval" != x ; then 2328 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval" 2329 fi], 2330 [SYSROOT_CFLAGS_FOR_TARGET=]) 2331AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET) 2332 2333AC_ARG_WITH([debug-prefix-map], 2334 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'], 2335 [map A to B, C to D ... in debug information])], 2336 [if test x"$withval" != x; then 2337 DEBUG_PREFIX_CFLAGS_FOR_TARGET= 2338 for debug_map in $withval; do 2339 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map" 2340 done 2341 fi], 2342 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=]) 2343AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET) 2344 2345# During gcc bootstrap, if we use some random cc for stage1 then CFLAGS 2346# might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS 2347# might also be empty (or "-g", if a non-GCC C++ compiler is in the path). 2348# We want to ensure that TARGET libraries (which we know are built with 2349# gcc) are built with "-O2 -g", so include those options when setting 2350# CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET. 2351if test "x$CFLAGS_FOR_TARGET" = x; then 2352 if test "x${is_cross_compiler}" = xyes; then 2353 CFLAGS_FOR_TARGET="-g -O2" 2354 else 2355 CFLAGS_FOR_TARGET=$CFLAGS 2356 case " $CFLAGS " in 2357 *" -O2 "*) ;; 2358 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;; 2359 esac 2360 case " $CFLAGS " in 2361 *" -g "* | *" -g3 "*) ;; 2362 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;; 2363 esac 2364 fi 2365fi 2366AC_SUBST(CFLAGS_FOR_TARGET) 2367 2368if test "x$CXXFLAGS_FOR_TARGET" = x; then 2369 if test "x${is_cross_compiler}" = xyes; then 2370 CXXFLAGS_FOR_TARGET="-g -O2" 2371 else 2372 CXXFLAGS_FOR_TARGET=$CXXFLAGS 2373 case " $CXXFLAGS " in 2374 *" -O2 "*) ;; 2375 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;; 2376 esac 2377 case " $CXXFLAGS " in 2378 *" -g "* | *" -g3 "*) ;; 2379 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;; 2380 esac 2381 fi 2382fi 2383AC_SUBST(CXXFLAGS_FOR_TARGET) 2384 2385AC_SUBST(LDFLAGS_FOR_TARGET) 2386 2387# Handle --with-headers=XXX. If the value is not "yes", the contents of 2388# the named directory are copied to $(tooldir)/sys-include. 2389if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then 2390 if test x${is_cross_compiler} = xno ; then 2391 echo 1>&2 '***' --with-headers is only supported when cross compiling 2392 exit 1 2393 fi 2394 if test x"${with_headers}" != xyes ; then 2395 x=${gcc_cv_tool_prefix} 2396 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include" 2397 fi 2398fi 2399 2400# Handle --with-libs=XXX. If the value is not "yes", the contents of 2401# the name directories are copied to $(tooldir)/lib. Multiple directories 2402# are permitted. 2403if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then 2404 if test x${is_cross_compiler} = xno ; then 2405 echo 1>&2 '***' --with-libs is only supported when cross compiling 2406 exit 1 2407 fi 2408 if test x"${with_libs}" != xyes ; then 2409 # Copy the libraries in reverse order, so that files in the first named 2410 # library override files in subsequent libraries. 2411 x=${gcc_cv_tool_prefix} 2412 for l in ${with_libs}; do 2413 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}" 2414 done 2415 fi 2416fi 2417 2418# Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate. 2419# 2420# This is done by determining whether or not the appropriate directory 2421# is available, and by checking whether or not specific configurations 2422# have requested that this magic not happen. 2423# 2424# The command line options always override the explicit settings in 2425# configure.in, and the settings in configure.in override this magic. 2426# 2427# If the default for a toolchain is to use GNU as and ld, and you don't 2428# want to do that, then you should use the --without-gnu-as and 2429# --without-gnu-ld options for the configure script. Similarly, if 2430# the default is to use the included zlib and you don't want to do that, 2431# you should use the --with-system-zlib option for the configure script. 2432 2433if test x${use_gnu_as} = x && 2434 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then 2435 with_gnu_as=yes 2436 extra_host_args="$extra_host_args --with-gnu-as" 2437fi 2438 2439if test x${use_gnu_ld} = x && 2440 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then 2441 with_gnu_ld=yes 2442 extra_host_args="$extra_host_args --with-gnu-ld" 2443fi 2444 2445if test x${use_included_zlib} = x && 2446 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then 2447 : 2448else 2449 with_system_zlib=yes 2450 extra_host_args="$extra_host_args --with-system-zlib" 2451fi 2452 2453# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure 2454# can detect this case. 2455 2456if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then 2457 with_newlib=yes 2458 extra_host_args="$extra_host_args --with-newlib" 2459fi 2460 2461# Handle ${copy_dirs} 2462set fnord ${copy_dirs} 2463shift 2464while test $# != 0 ; do 2465 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then 2466 : 2467 else 2468 echo Copying $1 to $2 2469 2470 # Use the install script to create the directory and all required 2471 # parent directories. 2472 if test -d $2 ; then 2473 : 2474 else 2475 echo >config.temp 2476 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED 2477 fi 2478 2479 # Copy the directory, assuming we have tar. 2480 # FIXME: Should we use B in the second tar? Not all systems support it. 2481 (cd $1; tar -cf - .) | (cd $2; tar -xpf -) 2482 2483 # It is the responsibility of the user to correctly adjust all 2484 # symlinks. If somebody can figure out how to handle them correctly 2485 # here, feel free to add the code. 2486 2487 echo $1 > $2/COPIED 2488 fi 2489 shift; shift 2490done 2491 2492# Determine a target-dependent exec_prefix that the installed 2493# gcc will search in. Keep this list sorted by triplet, with 2494# the *-*-osname triplets last. 2495md_exec_prefix= 2496case "${target}" in 2497 i[[34567]]86-pc-msdosdjgpp*) 2498 md_exec_prefix=/dev/env/DJDIR/bin 2499 ;; 2500 *-*-hpux* | \ 2501 *-*-nto-qnx* | \ 2502 *-*-solaris2*) 2503 md_exec_prefix=/usr/ccs/bin 2504 ;; 2505esac 2506 2507extra_arflags_for_target= 2508extra_nmflags_for_target= 2509extra_ranlibflags_for_target= 2510target_makefile_frag=/dev/null 2511case "${target}" in 2512 spu-*-*) 2513 target_makefile_frag="config/mt-spu" 2514 ;; 2515 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*) 2516 target_makefile_frag="config/mt-sde" 2517 ;; 2518 mipsisa*-*-elfoabi*) 2519 target_makefile_frag="config/mt-mips-elfoabi" 2520 ;; 2521 mips*-*-*linux* | mips*-*-gnu*) 2522 target_makefile_frag="config/mt-mips-gnu" 2523 ;; 2524 nios2-*-elf*) 2525 target_makefile_frag="config/mt-nios2-elf" 2526 ;; 2527 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 2528 target_makefile_frag="config/mt-gnu" 2529 ;; 2530 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*) 2531 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm 2532 # commands to handle both 32-bit and 64-bit objects. These flags are 2533 # harmless if we're using GNU nm or ar. 2534 extra_arflags_for_target=" -X32_64" 2535 extra_nmflags_for_target=" -B -X32_64" 2536 ;; 2537esac 2538 2539alphaieee_frag=/dev/null 2540case $target in 2541 alpha*-*-*) 2542 # This just makes sure to use the -mieee option to build target libs. 2543 # This should probably be set individually by each library. 2544 alphaieee_frag="config/mt-alphaieee" 2545 ;; 2546esac 2547 2548# If --enable-target-optspace always use -Os instead of -O2 to build 2549# the target libraries, similarly if it is not specified, use -Os 2550# on selected platforms. 2551ospace_frag=/dev/null 2552case "${enable_target_optspace}:${target}" in 2553 yes:*) 2554 ospace_frag="config/mt-ospace" 2555 ;; 2556 :d30v-*) 2557 ospace_frag="config/mt-d30v" 2558 ;; 2559 :m32r-* | :d10v-* | :fr30-*) 2560 ospace_frag="config/mt-ospace" 2561 ;; 2562 no:* | :*) 2563 ;; 2564 *) 2565 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2 2566 ;; 2567esac 2568 2569# Some systems (e.g., one of the i386-aix systems the gas testers are 2570# using) don't handle "\$" correctly, so don't use it here. 2571tooldir='${exec_prefix}'/${target_noncanonical} 2572build_tooldir=${tooldir} 2573 2574# Create a .gdbinit file which runs the one in srcdir 2575# and tells GDB to look there for source files. 2576 2577if test -r ${srcdir}/.gdbinit ; then 2578 case ${srcdir} in 2579 .) ;; 2580 *) cat > ./.gdbinit <<EOF 2581# ${NO_EDIT} 2582dir ${srcdir} 2583dir . 2584source ${srcdir}/.gdbinit 2585EOF 2586 ;; 2587 esac 2588fi 2589 2590# Make sure that the compiler is able to generate an executable. If it 2591# can't, we are probably in trouble. We don't care whether we can run the 2592# executable--we might be using a cross compiler--we only care whether it 2593# can be created. At this point the main configure script has set CC. 2594we_are_ok=no 2595echo "int main () { return 0; }" > conftest.c 2596${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c 2597if test $? = 0 ; then 2598 if test -s conftest || test -s conftest.exe ; then 2599 we_are_ok=yes 2600 fi 2601fi 2602case $we_are_ok in 2603 no) 2604 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed." 2605 echo 1>&2 "*** You must set the environment variable CC to a working compiler." 2606 rm -f conftest* 2607 exit 1 2608 ;; 2609esac 2610rm -f conftest* 2611 2612# Decide which environment variable is used to find dynamic libraries. 2613case "${host}" in 2614 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;; 2615 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;; 2616 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;; 2617 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;; 2618esac 2619 2620# On systems where the dynamic library environment variable is PATH, 2621# gcc/ will put dynamic libraries into a subdirectory to avoid adding 2622# built executables to PATH. 2623if test "$RPATH_ENVVAR" = PATH; then 2624 GCC_SHLIB_SUBDIR=/shlib 2625else 2626 GCC_SHLIB_SUBDIR= 2627fi 2628 2629# Adjust the toplevel makefile according to whether bootstrap was selected. 2630case $enable_bootstrap in 2631 yes) 2632 bootstrap_suffix=bootstrap 2633 BUILD_CONFIG=bootstrap-debug 2634 ;; 2635 no) 2636 bootstrap_suffix=no-bootstrap 2637 BUILD_CONFIG= 2638 ;; 2639esac 2640 2641AC_MSG_CHECKING(for default BUILD_CONFIG) 2642 2643AC_ARG_WITH([build-config], 2644 [AS_HELP_STRING([--with-build-config='NAME NAME2...'], 2645 [use config/NAME.mk build configuration])], 2646 [case $with_build_config in 2647 yes) with_build_config= ;; 2648 no) with_build_config= BUILD_CONFIG= ;; 2649 esac]) 2650 2651if test "x${with_build_config}" != x; then 2652 BUILD_CONFIG=$with_build_config 2653else 2654 case $BUILD_CONFIG in 2655 bootstrap-debug) 2656 if echo "int f (void) { return 0; }" > conftest.c && 2657 ${CC} -c conftest.c && 2658 mv conftest.o conftest.o.g0 && 2659 ${CC} -c -g conftest.c && 2660 mv conftest.o conftest.o.g && 2661 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then 2662 : 2663 else 2664 BUILD_CONFIG= 2665 fi 2666 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g 2667 ;; 2668 esac 2669fi 2670AC_MSG_RESULT($BUILD_CONFIG) 2671AC_SUBST(BUILD_CONFIG) 2672 2673# Use same top-level configure hooks in libgcc/libstdc++/libvtv. 2674AC_MSG_CHECKING([for --enable-vtable-verify]) 2675AC_ARG_ENABLE(vtable-verify, 2676[ --enable-vtable-verify Enable vtable verification feature ], 2677[case "$enableval" in 2678 yes) enable_vtable_verify=yes ;; 2679 no) enable_vtable_verify=no ;; 2680 *) enable_vtable_verify=no;; 2681 esac], 2682[enable_vtable_verify=no]) 2683AC_MSG_RESULT($enable_vtable_verify) 2684 2685# Record target_configdirs and the configure arguments for target and 2686# build configuration in Makefile. 2687target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'` 2688build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'` 2689bootstrap_fixincludes=no 2690 2691# If we are building libgomp, bootstrap it. 2692if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then 2693 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp, 2694fi 2695 2696# If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan 2697# or bootstrap-ubsan, bootstrap it. 2698if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then 2699 case "$BUILD_CONFIG" in 2700 *bootstrap-asan* | *bootstrap-ubsan* ) 2701 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer, 2702 bootstrap_fixincludes=yes 2703 ;; 2704 esac 2705fi 2706 2707# If we are building libvtv and --enable-vtable-verify, bootstrap it. 2708if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 && 2709 test "$enable_vtable_verify" != no; then 2710 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv, 2711fi 2712 2713# If we are building libmpx, bootstrap it. 2714if echo " ${target_configdirs} " | grep " libmpx " > /dev/null 2>&1; then 2715 bootstrap_target_libs=${bootstrap_target_libs}target-libmpx, 2716fi 2717 2718# Determine whether gdb needs tk/tcl or not. 2719# Use 'maybe' since enable_gdbtk might be true even if tk isn't available 2720# and in that case we want gdb to be built without tk. Ugh! 2721# In fact I believe gdb is the *only* package directly dependent on tk, 2722# so we should be able to put the 'maybe's in unconditionally and 2723# leave out the maybe dependencies when enable_gdbtk is false. I'm not 2724# 100% sure that that's safe though. 2725 2726gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui" 2727case "$enable_gdbtk" in 2728 no) 2729 GDB_TK="" ;; 2730 yes) 2731 GDB_TK="${gdb_tk}" ;; 2732 *) 2733 # Only add the dependency on gdbtk when GDBtk is part of the gdb 2734 # distro. Eventually someone will fix this and move Insight, nee 2735 # gdbtk to a separate directory. 2736 if test -d ${srcdir}/gdb/gdbtk ; then 2737 GDB_TK="${gdb_tk}" 2738 else 2739 GDB_TK="" 2740 fi 2741 ;; 2742esac 2743CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g` 2744INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g` 2745 2746# Strip out unwanted targets. 2747 2748# While at that, we remove Makefiles if we were started for recursive 2749# configuration, so that the top-level Makefile reconfigures them, 2750# like we used to do when configure itself was recursive. 2751 2752# Loop over modules. We used to use the "$extrasub" feature from Autoconf 2753# but now we're fixing up the Makefile ourselves with the additional 2754# commands passed to AC_CONFIG_FILES. Use separate variables 2755# extrasub-{build,host,target} not because there is any reason to split 2756# the substitutions up that way, but only to remain below the limit of 2757# 99 commands in a script, for HP-UX sed. 2758# Do not nest @if/@endif pairs, because configure will not warn you at all. 2759 2760case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in 2761 yes:yes:*\ gold\ *:*,c++,*) ;; 2762 yes:yes:*\ gold\ *:*) 2763 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages]) 2764 ;; 2765esac 2766 2767extrasub_build= 2768for module in ${build_configdirs} ; do 2769 if test -z "${no_recursion}" \ 2770 && test -f ${build_subdir}/${module}/Makefile; then 2771 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure" 2772 rm -f ${build_subdir}/${module}/Makefile 2773 fi 2774 extrasub_build="$extrasub_build 2775/^@if build-$module\$/d 2776/^@endif build-$module\$/d 2777/^@if build-$module-$bootstrap_suffix\$/d 2778/^@endif build-$module-$bootstrap_suffix\$/d" 2779done 2780extrasub_host= 2781for module in ${configdirs} ; do 2782 if test -z "${no_recursion}"; then 2783 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do 2784 if test -f ${file}; then 2785 echo 1>&2 "*** removing ${file} to force reconfigure" 2786 rm -f ${file} 2787 fi 2788 done 2789 fi 2790 case ${module},${bootstrap_fixincludes} in 2791 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;; 2792 *) host_bootstrap_suffix=$bootstrap_suffix ;; 2793 esac 2794 extrasub_host="$extrasub_host 2795/^@if $module\$/d 2796/^@endif $module\$/d 2797/^@if $module-$host_bootstrap_suffix\$/d 2798/^@endif $module-$host_bootstrap_suffix\$/d" 2799done 2800extrasub_target= 2801for module in ${target_configdirs} ; do 2802 if test -z "${no_recursion}" \ 2803 && test -f ${target_subdir}/${module}/Makefile; then 2804 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure" 2805 rm -f ${target_subdir}/${module}/Makefile 2806 fi 2807 2808 # We only bootstrap target libraries listed in bootstrap_target_libs. 2809 case $bootstrap_target_libs in 2810 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;; 2811 *) target_bootstrap_suffix=no-bootstrap ;; 2812 esac 2813 2814 extrasub_target="$extrasub_target 2815/^@if target-$module\$/d 2816/^@endif target-$module\$/d 2817/^@if target-$module-$target_bootstrap_suffix\$/d 2818/^@endif target-$module-$target_bootstrap_suffix\$/d" 2819done 2820 2821# Do the final fixup along with target modules. 2822extrasub_target="$extrasub_target 2823/^@if /,/^@endif /d" 2824 2825# Create the serialization dependencies. This uses a temporary file. 2826 2827AC_ARG_ENABLE([serial-configure], 2828[AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]], 2829 [force sequential configuration of 2830 sub-packages for the host, target or build 2831 machine, or all sub-packages])]) 2832 2833case ${enable_serial_configure} in 2834 yes) 2835 enable_serial_build_configure=yes 2836 enable_serial_host_configure=yes 2837 enable_serial_target_configure=yes 2838 ;; 2839esac 2840 2841# These force 'configure's to be done one at a time, to avoid problems 2842# with contention over a shared config.cache. 2843rm -f serdep.tmp 2844echo '# serdep.tmp' > serdep.tmp 2845olditem= 2846test "x${enable_serial_build_configure}" = xyes && 2847for item in ${build_configdirs} ; do 2848 case ${olditem} in 2849 "") ;; 2850 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;; 2851 esac 2852 olditem=${item} 2853done 2854olditem= 2855test "x${enable_serial_host_configure}" = xyes && 2856for item in ${configdirs} ; do 2857 case ${olditem} in 2858 "") ;; 2859 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;; 2860 esac 2861 olditem=${item} 2862done 2863olditem= 2864test "x${enable_serial_target_configure}" = xyes && 2865for item in ${target_configdirs} ; do 2866 case ${olditem} in 2867 "") ;; 2868 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;; 2869 esac 2870 olditem=${item} 2871done 2872serialization_dependencies=serdep.tmp 2873AC_SUBST_FILE(serialization_dependencies) 2874 2875# Base args. Strip norecursion, cache-file, srcdir, host, build, 2876# target, nonopt, and variable assignments. These are the ones we 2877# might not want to pass down to subconfigures. The exception being 2878# --cache-file=/dev/null, which is used to turn off the use of cache 2879# files altogether, and which should be passed on to subconfigures. 2880# Also strip program-prefix, program-suffix, and program-transform-name, 2881# so that we can pass down a consistent program-transform-name. 2882baseargs= 2883tbaseargs= 2884keep_next=no 2885skip_next=no 2886eval "set -- $ac_configure_args" 2887for ac_arg 2888do 2889 if test X"$skip_next" = X"yes"; then 2890 skip_next=no 2891 continue 2892 fi 2893 if test X"$keep_next" = X"yes"; then 2894 case $ac_arg in 2895 *\'*) 2896 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; 2897 esac 2898 baseargs="$baseargs '$ac_arg'" 2899 tbaseargs="$tbaseargs '$ac_arg'" 2900 keep_next=no 2901 continue 2902 fi 2903 2904 # Handle separated arguments. Based on the logic generated by 2905 # autoconf 2.59. 2906 case $ac_arg in 2907 *=* | --config-cache | -C | -disable-* | --disable-* \ 2908 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \ 2909 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \ 2910 | -with-* | --with-* | -without-* | --without-* | --x) 2911 separate_arg=no 2912 ;; 2913 -*) 2914 separate_arg=yes 2915 ;; 2916 *) 2917 separate_arg=no 2918 ;; 2919 esac 2920 2921 skip_targ=no 2922 case $ac_arg in 2923changequote(,) 2924 --with-* | --without-*) 2925 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'` 2926 2927 case $libopt in 2928 *[-_]include) 2929 lib=`echo "$libopt" | sed 's,[-_]include$,,'` 2930 ;; 2931 *[-_]lib) 2932 lib=`echo "$libopt" | sed 's,[-_]lib$,,'` 2933 ;; 2934 *) 2935 lib=$libopt 2936 ;; 2937 esac 2938changequote([,]) 2939 2940 case $lib in 2941 mpc | mpfr | gmp | isl) 2942 # If we're processing --with-$lib, --with-$lib-include or 2943 # --with-$lib-lib, for one of the libs above, and target is 2944 # different from host, don't pass the current argument to any 2945 # target library's configure. 2946 if test x$is_cross_compiler = xyes; then 2947 skip_targ=yes 2948 fi 2949 ;; 2950 esac 2951 ;; 2952 esac 2953 2954 case "$ac_arg" in 2955 --cache-file=/dev/null | \ 2956 -cache-file=/dev/null ) 2957 # Handled here to avoid the test to skip args below. 2958 baseargs="$baseargs '$ac_arg'" 2959 tbaseargs="$tbaseargs '$ac_arg'" 2960 # Assert: $separate_arg should always be no. 2961 keep_next=$separate_arg 2962 ;; 2963 --no*) 2964 continue 2965 ;; 2966 --c* | \ 2967 --sr* | \ 2968 --ho* | \ 2969 --bu* | \ 2970 --t* | \ 2971 --program-* | \ 2972 -cache_file* | \ 2973 -srcdir* | \ 2974 -host* | \ 2975 -build* | \ 2976 -target* | \ 2977 -program-prefix* | \ 2978 -program-suffix* | \ 2979 -program-transform-name* ) 2980 skip_next=$separate_arg 2981 continue 2982 ;; 2983 -*) 2984 # An option. Add it. 2985 case $ac_arg in 2986 *\'*) 2987 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; 2988 esac 2989 baseargs="$baseargs '$ac_arg'" 2990 if test X"$skip_targ" = Xno; then 2991 tbaseargs="$tbaseargs '$ac_arg'" 2992 fi 2993 keep_next=$separate_arg 2994 ;; 2995 *) 2996 # Either a variable assignment, or a nonopt (triplet). Don't 2997 # pass it down; let the Makefile handle this. 2998 continue 2999 ;; 3000 esac 3001done 3002# Remove the initial space we just introduced and, as these will be 3003# expanded by make, quote '$'. 3004baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'` 3005 3006# Add in --program-transform-name, after --program-prefix and 3007# --program-suffix have been applied to it. Autoconf has already 3008# doubled dollar signs and backslashes in program_transform_name; we want 3009# the backslashes un-doubled, and then the entire thing wrapped in single 3010# quotes, because this will be expanded first by make and then by the shell. 3011# Also, because we want to override the logic in subdir configure scripts to 3012# choose program_transform_name, replace any s,x,x, with s,y,y,. 3013sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out 3014${program_transform_name} 3015EOF_SED 3016gcc_transform_name=`cat conftestsed.out` 3017rm -f conftestsed.out 3018baseargs="$baseargs --program-transform-name='${gcc_transform_name}'" 3019tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'" 3020if test "$silent" = yes; then 3021 baseargs="$baseargs --silent" 3022 tbaseargs="$tbaseargs --silent" 3023fi 3024baseargs="$baseargs --disable-option-checking" 3025tbaseargs="$tbaseargs --disable-option-checking" 3026 3027# Record and document user additions to sub configure arguments. 3028AC_ARG_VAR([build_configargs], 3029 [additional configure arguments for build directories]) 3030AC_ARG_VAR([host_configargs], 3031 [additional configure arguments for host directories]) 3032AC_ARG_VAR([target_configargs], 3033 [additional configure arguments for target directories]) 3034 3035# For the build-side libraries, we just need to pretend we're native, 3036# and not use the same cache file. Multilibs are neither needed nor 3037# desired. We can't even use the same cache file for all build-side 3038# libraries, as they're compiled differently; some with C, some with 3039# C++ or with different feature-enabling options. 3040build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}" 3041 3042# For host modules, accept cache file option, or specification as blank. 3043case "${cache_file}" in 3044"") # empty 3045 cache_file_option="" ;; 3046/* | [[A-Za-z]]:[[\\/]]* ) # absolute path 3047 cache_file_option="--cache-file=${cache_file}" ;; 3048*) # relative path 3049 cache_file_option="--cache-file=../${cache_file}" ;; 3050esac 3051 3052# Host dirs don't like to share a cache file either, horribly enough. 3053# This seems to be due to autoconf 2.5x stupidity. 3054host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}" 3055 3056target_configargs="$target_configargs ${tbaseargs}" 3057 3058# Passing a --with-cross-host argument lets the target libraries know 3059# whether they are being built with a cross-compiler or being built 3060# native. However, it would be better to use other mechanisms to make the 3061# sorts of decisions they want to make on this basis. Please consider 3062# this option to be deprecated. FIXME. 3063if test x${is_cross_compiler} = xyes ; then 3064 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}" 3065fi 3066 3067# Special user-friendly check for native x86_64-linux build, if 3068# multilib is not explicitly enabled. 3069case "$target:$have_compiler:$host:$target:$enable_multilib" in 3070 x86_64-*linux*:yes:$build:$build:) 3071 # Make sure we have a developement environment that handles 32-bit 3072 dev64=no 3073 echo "int main () { return 0; }" > conftest.c 3074 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c 3075 if test $? = 0 ; then 3076 if test -s conftest || test -s conftest.exe ; then 3077 dev64=yes 3078 fi 3079 fi 3080 rm -f conftest* 3081 if test x${dev64} != xyes ; then 3082 AC_MSG_ERROR([I suspect your system does not have 32-bit developement 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.]) 3083 fi 3084 ;; 3085esac 3086 3087# Default to --enable-multilib. 3088if test x${enable_multilib} = x ; then 3089 target_configargs="--enable-multilib ${target_configargs}" 3090fi 3091 3092# Pass --with-newlib if appropriate. Note that target_configdirs has 3093# changed from the earlier setting of with_newlib. 3094if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then 3095 target_configargs="--with-newlib ${target_configargs}" 3096fi 3097 3098# Different target subdirs use different values of certain variables 3099# (notably CXX). Worse, multilibs use *lots* of different values. 3100# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that 3101# it doesn't automatically accept command-line overrides of them. 3102# This means it's not safe for target subdirs to share a cache file, 3103# which is disgusting, but there you have it. Hopefully this can be 3104# fixed in future. It's still worthwhile to use a cache file for each 3105# directory. I think. 3106 3107# Pass the appropriate --build, --host, --target and --cache-file arguments. 3108# We need to pass --target, as newer autoconf's requires consistency 3109# for target_alias and gcc doesn't manage it consistently. 3110target_configargs="--cache-file=./config.cache ${target_configargs}" 3111 3112FLAGS_FOR_TARGET= 3113case " $target_configdirs " in 3114 *" newlib "*) 3115 case " $target_configargs " in 3116 *" --with-newlib "*) 3117 case "$target" in 3118 *-cygwin*) 3119 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include' 3120 ;; 3121 esac 3122 3123 # If we're not building GCC, don't discard standard headers. 3124 if test -d ${srcdir}/gcc; then 3125 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc' 3126 3127 if test "${build}" != "${host}"; then 3128 # On Canadian crosses, CC_FOR_TARGET will have already been set 3129 # by `configure', so we won't have an opportunity to add -Bgcc/ 3130 # to it. This is right: we don't want to search that directory 3131 # for binaries, but we want the header files in there, so add 3132 # them explicitly. 3133 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed' 3134 3135 # Someone might think of using the pre-installed headers on 3136 # Canadian crosses, in case the installed compiler is not fully 3137 # compatible with the compiler being built. In this case, it 3138 # would be better to flag an error than risking having 3139 # incompatible object files being constructed. We can't 3140 # guarantee that an error will be flagged, but let's hope the 3141 # compiler will do it, when presented with incompatible header 3142 # files. 3143 fi 3144 fi 3145 3146 case "${target}-${is_cross_compiler}" in 3147 i[[3456789]]86-*-linux*-no) 3148 # Here host == target, so we don't need to build gcc, 3149 # so we don't want to discard standard headers. 3150 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'` 3151 ;; 3152 *) 3153 # If we're building newlib, use its generic headers last, but search 3154 # for any libc-related directories first (so make it the last -B 3155 # switch). 3156 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include' 3157 3158 # If we're building libgloss, find the startup file, simulator library 3159 # and linker script. 3160 case " $target_configdirs " in 3161 *" libgloss "*) 3162 # Look for startup file, simulator library and maybe linker script. 3163 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir" 3164 # Look for libnosys.a in case the target needs it. 3165 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys' 3166 # Most targets have the linker script in the source directory. 3167 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir" 3168 ;; 3169 esac 3170 ;; 3171 esac 3172 ;; 3173 esac 3174 ;; 3175esac 3176 3177case "$target" in 3178 x86_64-*mingw* | *-w64-mingw*) 3179 # MinGW-w64 does not use newlib, nor does it use winsup. It may, 3180 # however, use a symlink named 'mingw' in ${prefix} . 3181 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include' 3182 ;; 3183 *-mingw*) 3184 # MinGW can't be handled as Cygwin above since it does not use newlib. 3185 FLAGS_FOR_TARGET=$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' 3186 ;; 3187esac 3188 3189# Allow the user to override the flags for 3190# our build compiler if desired. 3191if test x"${build}" = x"${host}" ; then 3192 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}} 3193 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}} 3194 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}} 3195fi 3196 3197# On Canadian crosses, we'll be searching the right directories for 3198# the previously-installed cross compiler, so don't bother to add 3199# flags for directories within the install tree of the compiler 3200# being built; programs in there won't even run. 3201if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then 3202 # Search for pre-installed headers if nothing else fits. 3203 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include' 3204fi 3205 3206if test "x${use_gnu_ld}" = x && 3207 echo " ${configdirs} " | grep " ld " > /dev/null ; then 3208 # Arrange for us to find uninstalled linker scripts. 3209 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld' 3210fi 3211 3212# Search for other target-specific linker scripts and such. 3213case "${target}" in 3214 mep*) 3215 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary" 3216 ;; 3217esac 3218 3219# Makefile fragments. 3220for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag; 3221do 3222 eval fragval=\$$frag 3223 if test $fragval != /dev/null; then 3224 eval $frag=${srcdir}/$fragval 3225 fi 3226done 3227AC_SUBST_FILE(host_makefile_frag) 3228AC_SUBST_FILE(target_makefile_frag) 3229AC_SUBST_FILE(alphaieee_frag) 3230AC_SUBST_FILE(ospace_frag) 3231 3232# Miscellanea: directories, flags, etc. 3233AC_SUBST(RPATH_ENVVAR) 3234AC_SUBST(GCC_SHLIB_SUBDIR) 3235AC_SUBST(tooldir) 3236AC_SUBST(build_tooldir) 3237AC_SUBST(CONFIGURE_GDB_TK) 3238AC_SUBST(GDB_TK) 3239AC_SUBST(INSTALL_GDB_TK) 3240 3241# Build module lists & subconfigure args. 3242AC_SUBST(build_configargs) 3243AC_SUBST(build_configdirs) 3244 3245# Host module lists & subconfigure args. 3246AC_SUBST(host_configargs) 3247AC_SUBST(configdirs) 3248AC_SUBST(target_configdirs) 3249 3250# Target module lists & subconfigure args. 3251AC_SUBST(target_configargs) 3252 3253 3254# Build tools. 3255AC_SUBST(AR_FOR_BUILD) 3256AC_SUBST(AS_FOR_BUILD) 3257AC_SUBST(CC_FOR_BUILD) 3258AC_SUBST(CFLAGS_FOR_BUILD) 3259AC_SUBST(CXXFLAGS_FOR_BUILD) 3260AC_SUBST(CXX_FOR_BUILD) 3261AC_SUBST(DLLTOOL_FOR_BUILD) 3262AC_SUBST(GCJ_FOR_BUILD) 3263AC_SUBST(GFORTRAN_FOR_BUILD) 3264AC_SUBST(GOC_FOR_BUILD) 3265AC_SUBST(LDFLAGS_FOR_BUILD) 3266AC_SUBST(LD_FOR_BUILD) 3267AC_SUBST(NM_FOR_BUILD) 3268AC_SUBST(RANLIB_FOR_BUILD) 3269AC_SUBST(WINDMC_FOR_BUILD) 3270AC_SUBST(WINDRES_FOR_BUILD) 3271 3272# Generate default definitions for YACC, M4, LEX and other programs that run 3273# on the build machine. These are used if the Makefile can't locate these 3274# programs in objdir. 3275MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing 3276 3277AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y]) 3278case " $build_configdirs " in 3279 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;; 3280esac 3281 3282AC_CHECK_PROGS([BISON], [bison], [$MISSING bison]) 3283case " $build_configdirs " in 3284 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;; 3285esac 3286 3287AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4]) 3288case " $build_configdirs " in 3289 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;; 3290esac 3291 3292AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex]) 3293case " $build_configdirs " in 3294 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;; 3295 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;; 3296esac 3297 3298AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex]) 3299case " $build_configdirs " in 3300 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;; 3301esac 3302 3303AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo]) 3304case " $build_configdirs " in 3305 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;; 3306 *) 3307changequote(,) 3308 # For an installed makeinfo, we require it to be from texinfo 4.7 or 3309 # higher, else we use the "missing" dummy. 3310 if ${MAKEINFO} --version \ 3311 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then 3312 : 3313 else 3314 MAKEINFO="$MISSING makeinfo" 3315 fi 3316 ;; 3317changequote([,]) 3318esac 3319 3320# FIXME: expect and dejagnu may become build tools? 3321 3322AC_CHECK_PROGS(EXPECT, expect, expect) 3323case " $configdirs " in 3324 *" expect "*) 3325 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect' 3326 ;; 3327esac 3328 3329AC_CHECK_PROGS(RUNTEST, runtest, runtest) 3330case " $configdirs " in 3331 *" dejagnu "*) 3332 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest' 3333 ;; 3334esac 3335 3336 3337# Host tools. 3338NCN_STRICT_CHECK_TOOLS(AR, ar) 3339NCN_STRICT_CHECK_TOOLS(AS, as) 3340NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool) 3341NCN_STRICT_CHECK_TOOLS(LD, ld) 3342NCN_STRICT_CHECK_TOOLS(LIPO, lipo) 3343NCN_STRICT_CHECK_TOOLS(NM, nm) 3344NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true) 3345NCN_STRICT_CHECK_TOOLS(STRIP, strip, true) 3346NCN_STRICT_CHECK_TOOLS(WINDRES, windres) 3347NCN_STRICT_CHECK_TOOLS(WINDMC, windmc) 3348NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy) 3349NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump) 3350NCN_STRICT_CHECK_TOOLS(READELF, readelf) 3351AC_SUBST(CC) 3352AC_SUBST(CXX) 3353AC_SUBST(CFLAGS) 3354AC_SUBST(CXXFLAGS) 3355 3356# Target tools. 3357AC_ARG_WITH([build-time-tools], 3358 [AS_HELP_STRING([--with-build-time-tools=PATH], 3359 [use given path to find target tools during the build])], 3360 [case x"$withval" in 3361 x/*) ;; 3362 *) 3363 with_build_time_tools= 3364 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path]) 3365 ;; 3366 esac], 3367 [with_build_time_tools=]) 3368 3369NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc) 3370NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx) 3371NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET}) 3372NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj) 3373NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran) 3374NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo) 3375 3376ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar) 3377ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as) 3378ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool) 3379ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld) 3380ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo) 3381ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm) 3382ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy) 3383ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump) 3384ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib) 3385ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf) 3386ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip) 3387ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres) 3388ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc) 3389 3390RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET" 3391 3392GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar]) 3393GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new]) 3394GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) 3395dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS 3396GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX, 3397 [gcc/xg++ -B$$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$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs], 3398 c++) 3399GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX, 3400 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs], 3401 c++) 3402GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool]) 3403GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) 3404GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ, 3405 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java) 3406GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN, 3407 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran) 3408GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC, 3409 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go) 3410GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new]) 3411GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO) 3412GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new]) 3413GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy]) 3414GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump]) 3415GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib]) 3416GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf]) 3417GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new]) 3418GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres]) 3419GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc]) 3420 3421AC_SUBST(FLAGS_FOR_TARGET) 3422AC_SUBST(RAW_CXX_FOR_TARGET) 3423 3424# Certain tools may need extra flags. 3425AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target} 3426RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target} 3427NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target} 3428 3429# When building target libraries, except in a Canadian cross, we use 3430# the same toolchain as the compiler we just built. 3431COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)' 3432COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)' 3433COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)' 3434if test $host = $build; then 3435 case " $configdirs " in 3436 *" gcc "*) 3437 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as' 3438 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld' 3439 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target} 3440 ;; 3441 esac 3442fi 3443 3444AC_SUBST(COMPILER_AS_FOR_TARGET) 3445AC_SUBST(COMPILER_LD_FOR_TARGET) 3446AC_SUBST(COMPILER_NM_FOR_TARGET) 3447 3448AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) 3449AC_ARG_ENABLE(maintainer-mode, 3450[AS_HELP_STRING([--enable-maintainer-mode], 3451 [enable make rules and dependencies not useful 3452 (and sometimes confusing) to the casual installer])], 3453 USE_MAINTAINER_MODE=$enableval, 3454 USE_MAINTAINER_MODE=no) 3455AC_MSG_RESULT($USE_MAINTAINER_MODE) 3456AC_SUBST(MAINTAINER_MODE_TRUE) 3457AC_SUBST(MAINTAINER_MODE_FALSE) 3458if test "$USE_MAINTAINER_MODE" = yes; then 3459 MAINTAINER_MODE_TRUE= 3460 MAINTAINER_MODE_FALSE='#' 3461else 3462 MAINTAINER_MODE_TRUE='#' 3463 MAINTAINER_MODE_FALSE= 3464fi 3465MAINT=$MAINTAINER_MODE_TRUE 3466AC_SUBST(MAINT)dnl 3467 3468# --------------------- 3469# GCC bootstrap support 3470# --------------------- 3471 3472# Stage specific cflags for build. 3473stage1_cflags="-g" 3474case $build in 3475 vax-*-*) 3476 case ${GCC} in 3477 yes) stage1_cflags="-g -Wa,-J" ;; 3478 *) stage1_cflags="-g -J" ;; 3479 esac ;; 3480esac 3481 3482AC_SUBST(stage1_cflags) 3483 3484# Enable --enable-checking in stage1 of the compiler. 3485AC_ARG_ENABLE(stage1-checking, 3486[AS_HELP_STRING([[--enable-stage1-checking[=all]]], 3487 [choose additional checking for stage1 of the compiler])], 3488[stage1_checking=--enable-checking=${enable_stage1_checking}], 3489[if test "x$enable_checking" = xno || test "x$enable_checking" = x; then 3490 # For --disable-checking or implicit --enable-checking=release, avoid 3491 # setting --enable-checking=gc in the default stage1 checking for LTO 3492 # bootstraps. See PR62077. 3493 stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types 3494 case $BUILD_CONFIG in 3495 *lto*) 3496 if test "x$enable_checking" = x && \ 3497 test -d ${srcdir}/gcc && \ 3498 test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then 3499 stage1_checking=--enable-checking=yes,types 3500 fi;; 3501 *) stage1_checking=--enable-checking=yes,types;; 3502 esac 3503else 3504 stage1_checking=--enable-checking=$enable_checking,types 3505fi]) 3506AC_SUBST(stage1_checking) 3507 3508# Enable -Werror in bootstrap stage2 and later. 3509AC_ARG_ENABLE(werror, 3510[AS_HELP_STRING([--enable-werror], 3511 [enable -Werror in bootstrap stage2 and later])], [], 3512[if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then 3513 enable_werror=yes 3514else 3515 enable_werror=no 3516fi]) 3517case ${enable_werror} in 3518 yes) stage2_werror_flag="--enable-werror-always" ;; 3519 *) stage2_werror_flag="" ;; 3520esac 3521AC_SUBST(stage2_werror_flag) 3522 3523# Enable --enable-host-shared. 3524AC_ARG_ENABLE(host-shared, 3525[AS_HELP_STRING([--enable-host-shared], 3526 [build host code as shared libraries])], 3527[host_shared=$enableval], [host_shared=no]) 3528AC_SUBST(host_shared) 3529 3530# PR jit/64780: Require the user to explicitly specify 3531# --enable-host-shared if the jit is enabled, hinting 3532# that they might want to do a separate configure/build of 3533# the jit, to avoid users from slowing down the rest of the 3534# compiler by enabling the jit. 3535if test ${host_shared} = "no" ; then 3536 case "${enable_languages}" in 3537 *jit*) 3538 AC_MSG_ERROR([ 3539Enabling language "jit" requires --enable-host-shared. 3540 3541--enable-host-shared typically slows the rest of the compiler down by 3542a few %, so you must explicitly enable it. 3543 3544If you want to build both the jit and the regular compiler, it is often 3545best to do this via two separate configure/builds, in separate 3546directories, to avoid imposing the performance cost of 3547--enable-host-shared on the regular compiler.]) 3548 ;; 3549 *) 3550 ;; 3551 esac 3552fi 3553 3554# Specify what files to not compare during bootstrap. 3555 3556compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*" 3557case "$target" in 3558 hppa*64*-*-hpux*) ;; 3559 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;; 3560 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;; 3561esac 3562AC_SUBST(compare_exclusions) 3563 3564AC_CONFIG_FILES([Makefile], 3565 [sed "$extrasub_build" Makefile | 3566 sed "$extrasub_host" | 3567 sed "$extrasub_target" > mf$$ 3568 mv -f mf$$ Makefile], 3569 [extrasub_build="$extrasub_build" 3570 extrasub_host="$extrasub_host" 3571 extrasub_target="$extrasub_target"]) 3572AC_OUTPUT 3573