configure.ac revision 1.7
1# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2# 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 3# 2014, 2015, 2016 Free Software Foundation, Inc. 4# 5# This file is free software; you can redistribute it and/or modify it 6# under the terms of the GNU General Public License as published by 7# the Free Software Foundation; either version 3 of the License, or 8# (at your option) any later version. 9# 10# This program is distributed in the hope that it will be useful, but 11# WITHOUT ANY WARRANTY; without even the implied warranty of 12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13# General Public License for more details. 14# 15# You should have received a copy of the GNU General Public License 16# along with this program; see the file COPYING3. If not see 17# <http://www.gnu.org/licenses/>. 18 19############################################################################## 20### WARNING: this file contains embedded tabs. Do not run untabify on this file. 21 22m4_include(config/acx.m4) 23m4_include(config/override.m4) 24m4_include(config/proginstall.m4) 25m4_include(config/elf.m4) 26m4_include([libtool.m4]) 27m4_include([ltoptions.m4]) 28m4_include([ltsugar.m4]) 29m4_include([ltversion.m4]) 30m4_include([lt~obsolete.m4]) 31m4_include([config/isl.m4]) 32 33AC_INIT(move-if-change) 34AC_PREREQ(2.64) 35AC_DISABLE_OPTION_CHECKING 36 37progname=$0 38# if PWD already has a value, it is probably wrong. 39if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi 40 41# Export original configure arguments for use by sub-configures. 42# Quote arguments with shell meta charatcers. 43TOPLEVEL_CONFIGURE_ARGUMENTS= 44set -- "$progname" "$@" 45for ac_arg 46do 47 case "$ac_arg" in 48 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*) 49 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` 50 # if the argument is of the form -foo=baz, quote the baz part only 51 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;; 52 *) ;; 53 esac 54 # Add the quoted argument to the list. 55 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg" 56done 57if test "$silent" = yes; then 58 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent" 59fi 60# Remove the initial space we just introduced and, as these will be 61# expanded by make, quote '$'. 62TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'` 63AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS) 64 65# Find the build, host, and target systems. 66ACX_NONCANONICAL_BUILD 67ACX_NONCANONICAL_HOST 68ACX_NONCANONICAL_TARGET 69 70dnl Autoconf 2.5x and later will set a default program prefix if 71dnl --target was used, even if it was the same as --host. Disable 72dnl that behavior. This must be done before AC_CANONICAL_SYSTEM 73dnl to take effect. 74test "$host_noncanonical" = "$target_noncanonical" && 75 test "$program_prefix$program_suffix$program_transform_name" = \ 76 NONENONEs,x,x, && 77 program_transform_name=s,y,y, 78 79AC_CANONICAL_SYSTEM 80AC_ARG_PROGRAM 81 82m4_pattern_allow([^AS_FOR_TARGET$])dnl 83m4_pattern_allow([^AS_FOR_BUILD$])dnl 84 85# Get 'install' or 'install-sh' and its variants. 86AC_PROG_INSTALL 87ACX_PROG_LN 88AC_PROG_LN_S 89AC_PROG_SED 90AC_PROG_AWK 91 92srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}` 93 94# We pass INSTALL explicitly to sub-makes. Make sure that it is not 95# a relative path. 96if test "$INSTALL" = "${srcdir}/install-sh -c"; then 97 INSTALL="${srcpwd}/install-sh -c" 98fi 99 100# Set srcdir to "." if that's what it is. 101# This is important for multilib support. 102pwd=`${PWDCMD-pwd}` 103if test "${pwd}" = "${srcpwd}" ; then 104 srcdir=. 105fi 106 107topsrcdir=$srcpwd 108 109extra_host_args= 110 111### To add a new directory to the tree, first choose whether it is a target 112### or a host dependent tool. Then put it into the appropriate list 113### (library or tools, host or target), doing a dependency sort. 114 115# Subdirs will be configured in the order listed in build_configdirs, 116# configdirs, or target_configdirs; see the serialization section below. 117 118# Dependency sorting is only needed when *configuration* must be done in 119# a particular order. In all cases a dependency should be specified in 120# the Makefile, whether or not it's implicitly specified here. 121 122# Double entries in build_configdirs, configdirs, or target_configdirs may 123# cause circular dependencies and break everything horribly. 124 125# these library is used by various programs built for the build 126# environment 127# 128build_libs="build-libiberty build-libcpp" 129 130# these tools are built for the build environment 131build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes" 132 133# these libraries are used by various programs built for the host environment 134#f 135host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl libelf libiconv" 136 137# these tools are built for the host environment 138# Note, the powerpc-eabi build depends on sim occurring before gdb in order to 139# know that we are building the simulator. 140# binutils, gas and ld appear in that order because it makes sense to run 141# "make check" in that particular order. 142# If --enable-gold is used, "gold" may replace "ld". 143host_tools="flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gprof etc expect dejagnu m4 utils guile fastjar gnattools libcc1 gotools" 144 145# these libraries are built for the target environment, and are built after 146# the host libraries and the host tools (which may be a cross compiler) 147# Note that libiberty is not a target library. 148target_libraries="target-libgcc \ 149 target-libbacktrace \ 150 target-libgloss \ 151 target-newlib \ 152 target-libgomp \ 153 target-liboffloadmic \ 154 target-libhsail-rt \ 155 target-libatomic \ 156 target-libitm \ 157 target-libstdc++-v3 \ 158 target-libsanitizer \ 159 target-libvtv \ 160 target-libmpx \ 161 target-libssp \ 162 target-libquadmath \ 163 target-libgfortran \ 164 target-libffi \ 165 target-libobjc \ 166 target-libada \ 167 target-libgo" 168 169# these tools are built using the target libraries, and are intended to 170# run only in the target environment 171# 172# note: any program that *uses* libraries that are in the "target_libraries" 173# list belongs in this list. 174# 175target_tools="target-rda" 176 177################################################################################ 178 179## All tools belong in one of the four categories, and are assigned above 180## We assign ${configdirs} this way to remove all embedded newlines. This 181## is important because configure will choke if they ever get through. 182## ${configdirs} is directories we build using the host tools. 183## ${target_configdirs} is directories we build using the target tools. 184configdirs=`echo ${host_libs} ${host_tools}` 185target_configdirs=`echo ${target_libraries} ${target_tools}` 186build_configdirs=`echo ${build_libs} ${build_tools}` 187 188m4_divert_text([PARSE_ARGS], 189[case $srcdir in 190 *" "*) 191m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl 192 AC_MSG_ERROR([path to source, $srcdir, contains spaces]) 193m4_popdef([AS_MESSAGE_LOG_FD])dnl 194 ;; 195esac 196ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'` 197]) 198 199################################################################################ 200 201srcname="gnu development package" 202 203# This gets set non-empty for some net releases of packages. 204appdirs="" 205 206# Define is_cross_compiler to save on calls to 'test'. 207is_cross_compiler= 208if test x"${host}" = x"${target}" ; then 209 is_cross_compiler=no 210else 211 is_cross_compiler=yes 212fi 213 214# Find the build and target subdir names. 215GCC_TOPLEV_SUBDIRS 216# Be sure to cover against remnants of an in-tree build. 217if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then 218 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}. 219Use a pristine source tree when building in a separate tree]) 220fi 221 222# Skipdirs are removed silently. 223skipdirs= 224# Noconfigdirs are removed loudly. 225noconfigdirs="" 226 227use_gnu_ld= 228# Make sure we don't let GNU ld be added if we didn't want it. 229if test x$with_gnu_ld = xno ; then 230 use_gnu_ld=no 231 noconfigdirs="$noconfigdirs ld gold" 232fi 233 234use_gnu_as= 235# Make sure we don't let GNU as be added if we didn't want it. 236if test x$with_gnu_as = xno ; then 237 use_gnu_as=no 238 noconfigdirs="$noconfigdirs gas" 239fi 240 241use_included_zlib= 242AC_ARG_WITH(system-zlib, 243[AS_HELP_STRING([--with-system-zlib], [use installed libz])]) 244# Make sure we don't let ZLIB be added if we didn't want it. 245if test x$with_system_zlib = xyes ; then 246 use_included_zlib=no 247 noconfigdirs="$noconfigdirs zlib" 248fi 249 250# some tools are so dependent upon X11 that if we're not building with X, 251# it's not even worth trying to configure, much less build, that tool. 252 253case ${with_x} in 254 yes | "") ;; # the default value for this tree is that X11 is available 255 no) 256 skipdirs="${skipdirs} tk itcl libgui" 257 # We won't be able to build gdbtk without X. 258 enable_gdbtk=no 259 ;; 260 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;; 261esac 262 263# Some are only suitable for cross toolchains. 264# Remove these if host=target. 265cross_only="target-libgloss target-newlib target-opcodes" 266 267case $is_cross_compiler in 268 no) skipdirs="${skipdirs} ${cross_only}" ;; 269esac 270 271# If both --with-headers and --with-libs are specified, default to 272# --without-newlib. 273if test x"${with_headers}" != x && test x"${with_headers}" != xno \ 274 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then 275 if test x"${with_newlib}" = x ; then 276 with_newlib=no 277 fi 278fi 279 280# Recognize --with-newlib/--without-newlib. 281case ${with_newlib} in 282 no) skipdirs="${skipdirs} target-newlib" ;; 283 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;; 284esac 285 286AC_ARG_ENABLE(as-accelerator-for, 287[AS_HELP_STRING([--enable-as-accelerator-for=ARG], 288 [build as offload target compiler. 289 Specify offload host triple by ARG])]) 290 291AC_ARG_ENABLE(offload-targets, 292[AS_HELP_STRING([--enable-offload-targets=LIST], 293 [enable offloading to devices from comma-separated LIST of 294 TARGET[=DIR]. Use optional path to find offload target compiler 295 during the build])], 296[ 297 if test x"$enable_offload_targets" = x; then 298 AC_MSG_ERROR([no offload targets specified]) 299 fi 300], [enable_offload_targets=]) 301 302# Handle --enable-gold, --enable-ld. 303# --disable-gold [--enable-ld] 304# Build only ld. Default option. 305# --enable-gold [--enable-ld] 306# Build both gold and ld. Install gold as "ld.gold", install ld 307# as "ld.bfd" and "ld". 308# --enable-gold=default [--enable-ld] 309# Build both gold and ld. Install gold as "ld.gold" and "ld", 310# install ld as "ld.bfd". 311# --enable-gold[=default] --disable-ld 312# Build only gold, which is then installed as both "ld.gold" and "ld". 313# --enable-gold --enable-ld=default 314# Build both gold (installed as "ld.gold") and ld (installed as "ld" 315# and ld.bfd). 316# In other words, ld is default 317# --enable-gold=default --enable-ld=default 318# Error. 319 320default_ld= 321AC_ARG_ENABLE(gold, 322[AS_HELP_STRING([[--enable-gold[=ARG]]], 323 [build gold @<:@ARG={default,yes,no}@:>@])], 324ENABLE_GOLD=$enableval, 325ENABLE_GOLD=no) 326case "${ENABLE_GOLD}" in 327 yes|default) 328 # Check for ELF target. 329 is_elf=no 330 case "${target}" in 331 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \ 332 | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \ 333 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \ 334 | *-*-solaris2* | *-*-nto* | *-*-nacl*) 335 case "${target}" in 336 *-*-linux*aout* | *-*-linux*oldld*) 337 ;; 338 *) 339 is_elf=yes 340 ;; 341 esac 342 esac 343 344 if test "$is_elf" = "yes"; then 345 # Check for target supported by gold. 346 case "${target}" in 347 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \ 348 | aarch64*-*-* | tilegx*-*-* | mips*-*-* | s390*-*-*) 349 configdirs="$configdirs gold" 350 if test x${ENABLE_GOLD} = xdefault; then 351 default_ld=gold 352 fi 353 ENABLE_GOLD=yes 354 ;; 355 esac 356 fi 357 ;; 358 no) 359 ;; 360 *) 361 AC_MSG_ERROR([invalid --enable-gold argument]) 362 ;; 363esac 364 365AC_ARG_ENABLE(ld, 366[AS_HELP_STRING([[--enable-ld[=ARG]]], 367 [build ld @<:@ARG={default,yes,no}@:>@])], 368ENABLE_LD=$enableval, 369ENABLE_LD=yes) 370 371case "${ENABLE_LD}" in 372 default) 373 if test x${default_ld} != x; then 374 AC_MSG_ERROR([either gold or ld can be the default ld]) 375 fi 376 ;; 377 yes) 378 ;; 379 no) 380 if test x${ENABLE_GOLD} != xyes; then 381 AC_MSG_WARN([neither ld nor gold are enabled]) 382 fi 383 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'` 384 ;; 385 *) 386 AC_MSG_ERROR([invalid --enable-ld argument]) 387 ;; 388esac 389 390# PR gas/19109 391# Decide the default method for compressing debug sections. 392# Provide a configure time option to override our default. 393AC_ARG_ENABLE(compressed_debug_sections, 394[AS_HELP_STRING([--enable-compressed-debug-sections={all,gas,gold,ld,none}], 395 [Enable compressed debug sections for gas, gold or ld by 396 default])], 397[ 398 if test x"$enable_compressed_debug_sections" = xyes; then 399 AC_MSG_ERROR([no program with compressed debug sections specified]) 400 fi 401], [enable_compressed_debug_sections=]) 402 403# Configure extra directories which are host specific 404 405case "${host}" in 406 *-cygwin*) 407 configdirs="$configdirs libtermcap" ;; 408esac 409 410# A target can indicate whether a language isn't supported for some reason. 411# Only spaces may be used in this macro; not newlines or tabs. 412unsupported_languages= 413 414# Remove more programs from consideration, based on the host or 415# target this usually means that a port of the program doesn't 416# exist yet. 417 418case "${host}" in 419 i[[3456789]]86-*-msdosdjgpp*) 420 noconfigdirs="$noconfigdirs tcl tk itcl" 421 ;; 422esac 423 424 425AC_ARG_ENABLE(libquadmath, 426AS_HELP_STRING([--disable-libquadmath], 427 [do not build libquadmath directory]), 428ENABLE_LIBQUADMATH=$enableval, 429ENABLE_LIBQUADMATH=yes) 430if test "${ENABLE_LIBQUADMATH}" = "no" ; then 431 noconfigdirs="$noconfigdirs target-libquadmath" 432fi 433 434 435AC_ARG_ENABLE(libquadmath-support, 436AS_HELP_STRING([--disable-libquadmath-support], 437 [disable libquadmath support for Fortran]), 438ENABLE_LIBQUADMATH_SUPPORT=$enableval, 439ENABLE_LIBQUADMATH_SUPPORT=yes) 440enable_libquadmath_support= 441if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then 442 enable_libquadmath_support=no 443fi 444 445 446AC_ARG_ENABLE(libada, 447[AS_HELP_STRING([--enable-libada], [build libada directory])], 448ENABLE_LIBADA=$enableval, 449ENABLE_LIBADA=yes) 450if test "${ENABLE_LIBADA}" != "yes" ; then 451 noconfigdirs="$noconfigdirs gnattools" 452fi 453 454AC_ARG_ENABLE(libssp, 455[AS_HELP_STRING([--enable-libssp], [build libssp directory])], 456ENABLE_LIBSSP=$enableval, 457ENABLE_LIBSSP=yes) 458 459AC_ARG_ENABLE(libstdcxx, 460AS_HELP_STRING([--disable-libstdcxx], 461 [do not build libstdc++-v3 directory]), 462ENABLE_LIBSTDCXX=$enableval, 463ENABLE_LIBSTDCXX=default) 464[if test "${ENABLE_LIBSTDCXX}" = "no" ; then 465 noconfigdirs="$noconfigdirs target-libstdc++-v3" 466fi] 467 468# If this is accelerator compiler and its target is intelmic we enable 469# target liboffloadmic by default. If this is compiler with offloading 470# for intelmic we enable host liboffloadmic by default. Otherwise 471# liboffloadmic is disabled by default. 472AC_ARG_ENABLE([liboffloadmic], 473AC_HELP_STRING([[--enable-liboffloadmic[=ARG]]], 474 [build liboffloadmic @<:@ARG={no,host,target}@:>@]), 475[case "$enableval" in 476 no | host | target) 477 enable_liboffloadmic=$enableval ;; 478 *) 479 AC_MSG_ERROR([--enable-liboffloadmic=no/host/target]) ;; 480esac], 481[if test x"$enable_as_accelerator_for" != x; then 482 case "${target}" in 483 *-intelmic-* | *-intelmicemul-*) 484 enable_liboffloadmic=target 485 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=target" 486 ;; 487 *) 488 enable_liboffloadmic=no 489 ;; 490 esac 491else 492 case "${enable_offload_targets}" in 493 *-intelmic-* | *-intelmicemul-*) 494 enable_liboffloadmic=host 495 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=host" 496 ;; 497 *) 498 enable_liboffloadmic=no 499 ;; 500 esac 501fi]) 502AC_SUBST(extra_liboffloadmic_configure_flags) 503 504# Enable libgomp by default on hosted POSIX systems, and a few others. 505if test x$enable_libgomp = x ; then 506 case "${target}" in 507 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 508 ;; 509 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*) 510 ;; 511 *-*-solaris2* | *-*-hpux11*) 512 ;; 513 *-*-darwin* | *-*-aix*) 514 ;; 515 nvptx*-*-*) 516 ;; 517 *) 518 noconfigdirs="$noconfigdirs target-libgomp" 519 ;; 520 esac 521fi 522 523# Disable libatomic on unsupported systems. 524if test -d ${srcdir}/libatomic; then 525 if test x$enable_libatomic = x; then 526 AC_MSG_CHECKING([for libatomic support]) 527 if (srcdir=${srcdir}/libatomic; \ 528 . ${srcdir}/configure.tgt; \ 529 test -n "$UNSUPPORTED") 530 then 531 AC_MSG_RESULT([no]) 532 noconfigdirs="$noconfigdirs target-libatomic" 533 else 534 AC_MSG_RESULT([yes]) 535 fi 536 fi 537fi 538 539# Disable liboffloadmic on unsupported systems. 540if test -d ${srcdir}/liboffloadmic; then 541 if test x$enable_liboffloadmic != xno; then 542 AC_MSG_CHECKING([for liboffloadmic support]) 543 if (srcdir=${srcdir}/liboffloadmic; \ 544 . ${srcdir}/configure.tgt; \ 545 test -n "$UNSUPPORTED") 546 then 547 AC_MSG_RESULT([no]) 548 noconfigdirs="$noconfigdirs target-liboffloadmic" 549 else 550 AC_MSG_RESULT([yes]) 551 fi 552 fi 553fi 554 555# Disable libitm on unsupported systems. 556if test -d ${srcdir}/libitm; then 557 if test x$enable_libitm = x; then 558 AC_MSG_CHECKING([for libitm support]) 559 if (srcdir=${srcdir}/libitm; \ 560 . ${srcdir}/configure.tgt; \ 561 test -n "$UNSUPPORTED") 562 then 563 AC_MSG_RESULT([no]) 564 noconfigdirs="$noconfigdirs target-libitm" 565 else 566 AC_MSG_RESULT([yes]) 567 fi 568 fi 569fi 570 571# Disable libsanitizer on unsupported systems. 572if test -d ${srcdir}/libsanitizer; then 573 if test x$enable_libsanitizer = x; then 574 AC_MSG_CHECKING([for libsanitizer support]) 575 if (srcdir=${srcdir}/libsanitizer; \ 576 . ${srcdir}/configure.tgt; \ 577 test -n "$UNSUPPORTED") 578 then 579 AC_MSG_RESULT([no]) 580 noconfigdirs="$noconfigdirs target-libsanitizer" 581 else 582 AC_MSG_RESULT([yes]) 583 fi 584 fi 585fi 586 587# Disable libvtv on unsupported systems. 588if test -d ${srcdir}/libvtv; then 589 if test x$enable_libvtv = x; then 590 AC_MSG_CHECKING([for libvtv support]) 591 if (srcdir=${srcdir}/libvtv; \ 592 . ${srcdir}/configure.tgt; \ 593 test "$VTV_SUPPORTED" != "yes") 594 then 595 AC_MSG_RESULT([no]) 596 noconfigdirs="$noconfigdirs target-libvtv" 597 else 598 AC_MSG_RESULT([yes]) 599 fi 600 fi 601fi 602 603 604# Enable libmpx on supported systems by request. 605if test -d ${srcdir}/libmpx; then 606 if test x$enable_libmpx = x; then 607 AC_MSG_CHECKING([for libmpx support]) 608 if (srcdir=${srcdir}/libmpx; \ 609 . ${srcdir}/configure.tgt; \ 610 test "$LIBMPX_SUPPORTED" != "yes") 611 then 612 AC_MSG_RESULT([no]) 613 noconfigdirs="$noconfigdirs target-libmpx" 614 else 615 AC_MSG_RESULT([yes]) 616 fi 617 fi 618fi 619 620# Disable libhsail-rt on unsupported systems. 621if test -d ${srcdir}/libhsail-rt; then 622 if test x$enable_libhsail_rt = x; then 623 AC_MSG_CHECKING([for libhsail-rt support]) 624 if (srcdir=${srcdir}/libhsail-rt; \ 625 . ${srcdir}/configure.tgt; \ 626 test -n "$UNSUPPORTED") 627 then 628 AC_MSG_RESULT([no]) 629 unsupported_languages="$unsupported_languages brig" 630 # This implicitly disables also target-libhsail-rt as it won't 631 # get added to the build without BRIG FE. 632 else 633 AC_MSG_RESULT([yes]) 634 fi 635 fi 636fi 637 638 639# Disable libquadmath for some systems. 640case "${target}" in 641 avr-*-*) 642 noconfigdirs="$noconfigdirs target-libquadmath" 643 ;; 644 # libquadmath is unused on AIX and libquadmath build process use of 645 # LD_LIBRARY_PATH can break AIX bootstrap. 646 powerpc-*-aix* | rs6000-*-aix*) 647 noconfigdirs="$noconfigdirs target-libquadmath" 648 ;; 649esac 650 651# Disable libssp for some systems. 652case "${target}" in 653 avr-*-*) 654 # No hosted I/O support. 655 noconfigdirs="$noconfigdirs target-libssp" 656 ;; 657 powerpc-*-aix* | rs6000-*-aix*) 658 noconfigdirs="$noconfigdirs target-libssp" 659 ;; 660 rl78-*-*) 661 # libssp uses a misaligned load to trigger a fault, but the RL78 662 # doesn't fault for those - instead, it gives a build-time error 663 # for explicit misaligned loads. 664 noconfigdirs="$noconfigdirs target-libssp" 665 ;; 666 visium-*-*) 667 # No hosted I/O support. 668 noconfigdirs="$noconfigdirs target-libssp" 669 ;; 670esac 671 672# Disable libstdc++-v3 for some systems. 673# Allow user to override this if they pass --enable-libstdc++-v3 674if test "${ENABLE_LIBSTDCXX}" = "default" ; then 675 case "${target}" in 676 *-*-vxworks*) 677 # VxWorks uses the Dinkumware C++ library. 678 noconfigdirs="$noconfigdirs target-libstdc++-v3" 679 ;; 680 arm*-wince-pe*) 681 # the C++ libraries don't build on top of CE's C libraries 682 noconfigdirs="$noconfigdirs target-libstdc++-v3" 683 ;; 684 avr-*-*) 685 noconfigdirs="$noconfigdirs target-libstdc++-v3" 686 ;; 687 ft32-*-*) 688 noconfigdirs="$noconfigdirs target-libstdc++-v3" 689 ;; 690 esac 691fi 692 693# Disable Fortran for some systems. 694case "${target}" in 695 mmix-*-*) 696 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>. 697 unsupported_languages="$unsupported_languages fortran" 698 ;; 699esac 700 701# Disable libffi for some systems. 702case "${target}" in 703 powerpc-*-darwin*) 704 ;; 705 i[[3456789]]86-*-darwin*) 706 ;; 707 x86_64-*-darwin[[912]]*) 708 ;; 709 *-*-darwin*) 710 noconfigdirs="$noconfigdirs target-libffi" 711 ;; 712 *-*-netware*) 713 noconfigdirs="$noconfigdirs target-libffi" 714 ;; 715 *-*-phoenix*) 716 noconfigdirs="$noconfigdirs target-libffi" 717 ;; 718 *-*-rtems*) 719 noconfigdirs="$noconfigdirs target-libffi" 720 ;; 721 *-*-tpf*) 722 noconfigdirs="$noconfigdirs target-libffi" 723 ;; 724 *-*-uclinux*) 725 noconfigdirs="$noconfigdirs target-libffi" 726 ;; 727 *-*-vxworks*) 728 noconfigdirs="$noconfigdirs target-libffi" 729 ;; 730 aarch64*-*-freebsd*) 731 noconfigdirs="$noconfigdirs target-libffi" 732 ;; 733 alpha*-*-*vms*) 734 noconfigdirs="$noconfigdirs target-libffi" 735 ;; 736 arm*-*-freebsd*) 737 noconfigdirs="$noconfigdirs target-libffi" 738 ;; 739 arm-wince-pe) 740 noconfigdirs="$noconfigdirs target-libffi" 741 ;; 742 arm*-*-symbianelf*) 743 noconfigdirs="$noconfigdirs target-libffi" 744 ;; 745 cris-*-* | crisv32-*-*) 746 case "${target}" in 747 *-*-linux*) 748 ;; 749 *) # See PR46792 regarding target-libffi. 750 noconfigdirs="$noconfigdirs target-libffi";; 751 esac 752 ;; 753 hppa*64*-*-hpux*) 754 noconfigdirs="$noconfigdirs target-libffi" 755 ;; 756 hppa*-hp-hpux11*) 757 ;; 758 hppa*-*-hpux*) 759 noconfigdirs="$noconfigdirs target-libffi" 760 ;; 761 ia64*-*-*vms*) 762 noconfigdirs="$noconfigdirs target-libffi" 763 ;; 764 i[[3456789]]86-w64-mingw*) 765 noconfigdirs="$noconfigdirs target-libffi" 766 ;; 767 i[[3456789]]86-*-mingw*) 768 noconfigdirs="$noconfigdirs target-libffi" 769 ;; 770 x86_64-*-mingw*) 771 noconfigdirs="$noconfigdirs target-libffi" 772 ;; 773 mmix-*-*) 774 noconfigdirs="$noconfigdirs target-libffi" 775 ;; 776 powerpc-*-aix*) 777 ;; 778 rs6000-*-aix*) 779 ;; 780 ft32-*-*) 781 noconfigdirs="$noconfigdirs target-libffi" 782 ;; 783 *-*-lynxos*) 784 noconfigdirs="$noconfigdirs target-libffi" 785 ;; 786esac 787 788# Disable the go frontend on systems where it is known to not work. Please keep 789# this in sync with contrib/config-list.mk. 790case "${target}" in 791*-*-darwin* | *-*-cygwin* | *-*-mingw*) 792 unsupported_languages="$unsupported_languages go" 793 ;; 794esac 795 796# Disable libgo for some systems where it is known to not work. 797# For testing, you can easily override this with --enable-libgo. 798if test x$enable_libgo = x; then 799 case "${target}" in 800 *-*-darwin*) 801 # PR 46986 802 noconfigdirs="$noconfigdirs target-libgo" 803 ;; 804 *-*-cygwin* | *-*-mingw*) 805 noconfigdirs="$noconfigdirs target-libgo" 806 ;; 807 esac 808fi 809 810# Default libgloss CPU subdirectory. 811libgloss_dir="$target_cpu" 812 813case "${target}" in 814 sh*-*-pe|mips*-*-pe|*arm-wince-pe) 815 libgloss_dir=wince 816 ;; 817 aarch64*-*-* ) 818 libgloss_dir=aarch64 819 ;; 820 arm*-*-*) 821 libgloss_dir=arm 822 ;; 823 cris-*-* | crisv32-*-*) 824 libgloss_dir=cris 825 ;; 826 hppa*-*-*) 827 libgloss_dir=pa 828 ;; 829 i[[3456789]]86-*-*) 830 libgloss_dir=i386 831 ;; 832 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*) 833 libgloss_dir=m68hc11 834 ;; 835 m68*-*-* | fido-*-*) 836 libgloss_dir=m68k 837 ;; 838 mips*-*-*) 839 libgloss_dir=mips 840 ;; 841 powerpc*-*-*) 842 libgloss_dir=rs6000 843 ;; 844 sparc*-*-*) 845 libgloss_dir=sparc 846 ;; 847esac 848 849# Disable newlib and libgloss for various target OSes. 850case "${target}" in 851 alpha*-dec-osf*) 852 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 853 ;; 854 i[[3456789]]86-*-linux*) 855 # This section makes it possible to build newlib natively on linux. 856 # If we are using a cross compiler then don't configure newlib. 857 if test x${is_cross_compiler} != xno ; then 858 noconfigdirs="$noconfigdirs target-newlib" 859 fi 860 noconfigdirs="$noconfigdirs target-libgloss" 861 # If we are not using a cross compiler, do configure newlib. 862 # Note however, that newlib will only be configured in this situation 863 # if the --with-newlib option has been given, because otherwise 864 # 'target-newlib' will appear in skipdirs. 865 ;; 866 i[[3456789]]86-*-rdos*) 867 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 868 ;; 869 sh*-*-pe|mips*-*-pe|arm-wince-pe) 870 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 871 ;; 872 sparc-*-sunos4*) 873 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 874 ;; 875 *-*-aix*) 876 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 877 ;; 878 *-*-beos*) 879 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 880 ;; 881 *-*-chorusos) 882 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 883 ;; 884 *-*-dragonfly*) 885 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 886 ;; 887 *-*-freebsd*) 888 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 889 ;; 890 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 891 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 892 ;; 893 *-*-lynxos*) 894 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 895 ;; 896 *-*-mingw*) 897 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 898 ;; 899 *-*-netbsd*) 900 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 901 ;; 902 *-*-netware*) 903 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 904 ;; 905 *-*-tpf*) 906 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 907 ;; 908 *-*-uclinux*) 909 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 910 ;; 911 *-*-vxworks*) 912 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 913 ;; 914esac 915 916case "${target}" in 917 *-*-chorusos) 918 ;; 919 aarch64-*-darwin*) 920 noconfigdirs="$noconfigdirs ld gas gdb gprof" 921 noconfigdirs="$noconfigdirs sim target-rda" 922 ;; 923 arm-*-darwin*) 924 noconfigdirs="$noconfigdirs ld gas gdb gprof" 925 noconfigdirs="$noconfigdirs sim target-rda" 926 ;; 927 powerpc-*-darwin*) 928 noconfigdirs="$noconfigdirs ld gas gdb gprof" 929 noconfigdirs="$noconfigdirs sim target-rda" 930 ;; 931 i[[3456789]]86-*-darwin*) 932 noconfigdirs="$noconfigdirs ld gprof" 933 noconfigdirs="$noconfigdirs sim target-rda" 934 ;; 935 x86_64-*-darwin[[912]]*) 936 noconfigdirs="$noconfigdirs ld gas gprof" 937 noconfigdirs="$noconfigdirs sim target-rda" 938 ;; 939 *-*-darwin*) 940 noconfigdirs="$noconfigdirs ld gas gdb gprof" 941 noconfigdirs="$noconfigdirs sim target-rda" 942 ;; 943 *-*-dragonfly*) 944 ;; 945 *-*-freebsd*) 946 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \ 947 && test -f /usr/local/include/gmp.h; then 948 with_gmp=/usr/local 949 fi 950 ;; 951 *-*-kaos*) 952 # Remove unsupported stuff on all kaOS configurations. 953 noconfigdirs="$noconfigdirs target-libgloss" 954 ;; 955 *-*-netbsd*) 956 ;; 957 *-*-netware*) 958 ;; 959 *-*-phoenix*) 960 noconfigdirs="$noconfigdirs target-libgloss" 961 ;; 962 *-*-rtems*) 963 noconfigdirs="$noconfigdirs target-libgloss" 964 ;; 965 # The tpf target doesn't support gdb yet. 966 *-*-tpf*) 967 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl" 968 ;; 969 *-*-uclinux*) 970 noconfigdirs="$noconfigdirs target-rda" 971 ;; 972 *-*-vxworks*) 973 ;; 974 alpha*-dec-osf*) 975 # ld works, but does not support shared libraries. 976 # gas doesn't generate exception information. 977 noconfigdirs="$noconfigdirs gas ld" 978 ;; 979 alpha*-*-*vms*) 980 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss" 981 ;; 982 alpha*-*-*) 983 # newlib is not 64 bit ready 984 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 985 ;; 986 sh*-*-pe|mips*-*-pe|*arm-wince-pe) 987 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim" 988 ;; 989 arc*-*-*) 990 noconfigdirs="$noconfigdirs sim" 991 ;; 992 arm-*-pe*) 993 noconfigdirs="$noconfigdirs target-libgloss" 994 ;; 995 arm-*-riscix*) 996 noconfigdirs="$noconfigdirs ld target-libgloss" 997 ;; 998 avr-*-*) 999 if test x${with_avrlibc} != xno; then 1000 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1001 fi 1002 ;; 1003 c4x-*-* | tic4x-*-*) 1004 noconfigdirs="$noconfigdirs target-libgloss" 1005 ;; 1006 tic54x-*-*) 1007 noconfigdirs="$noconfigdirs target-libgloss gdb" 1008 ;; 1009 d10v-*-*) 1010 noconfigdirs="$noconfigdirs target-libgloss" 1011 ;; 1012 d30v-*-*) 1013 noconfigdirs="$noconfigdirs gdb" 1014 ;; 1015 fr30-*-elf*) 1016 noconfigdirs="$noconfigdirs gdb" 1017 ;; 1018 ft32-*-*) 1019 noconfigdirs="$noconfigdirs target-rda gprof" 1020 ;; 1021 moxie-*-*) 1022 noconfigdirs="$noconfigdirs" 1023 ;; 1024 h8300*-*-*) 1025 noconfigdirs="$noconfigdirs target-libgloss" 1026 ;; 1027 h8500-*-*) 1028 noconfigdirs="$noconfigdirs target-libgloss" 1029 ;; 1030 hppa1.1-*-osf* | hppa1.1-*-bsd* ) 1031 ;; 1032 hppa*64*-*-hpux*) 1033 noconfigdirs="$noconfigdirs gdb" 1034 ;; 1035 hppa*-*-hpux11*) 1036 noconfigdirs="$noconfigdirs gdb ld" 1037 ;; 1038 hppa*64*-*-linux*) 1039 ;; 1040 hppa*-*-linux*) 1041 ;; 1042 hppa*-*-*elf* | \ 1043 hppa*-*-lites* | \ 1044 hppa*-*-openbsd* | \ 1045 hppa*64*-*-*) 1046 ;; 1047 hppa*-*-pro*) 1048 ;; 1049 hppa*-*-*) 1050 noconfigdirs="$noconfigdirs ld" 1051 ;; 1052 i960-*-*) 1053 noconfigdirs="$noconfigdirs gdb" 1054 ;; 1055 ia64*-*-elf*) 1056 # No gdb support yet. 1057 noconfigdirs="$noconfigdirs readline libgui itcl gdb" 1058 ;; 1059 ia64*-**-hpux*) 1060 # No ld support yet. 1061 noconfigdirs="$noconfigdirs gdb libgui itcl ld" 1062 ;; 1063 ia64*-*-*vms*) 1064 # No ld support yet. 1065 noconfigdirs="$noconfigdirs libgui itcl ld" 1066 ;; 1067 i[[3456789]]86-w64-mingw*) 1068 ;; 1069 i[[3456789]]86-*-mingw*) 1070 target_configdirs="$target_configdirs target-winsup" 1071 ;; 1072 *-*-cygwin*) 1073 target_configdirs="$target_configdirs target-libtermcap target-winsup" 1074 noconfigdirs="$noconfigdirs target-libgloss" 1075 # always build newlib if winsup directory is present. 1076 if test -d "$srcdir/winsup/cygwin"; then 1077 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` 1078 elif test -d "$srcdir/newlib"; then 1079 echo "Warning: winsup/cygwin is missing so newlib can't be built." 1080 fi 1081 ;; 1082 i[[3456789]]86-*-pe) 1083 noconfigdirs="$noconfigdirs target-libgloss" 1084 ;; 1085 i[[3456789]]86-*-sco3.2v5*) 1086 # The linker does not yet know about weak symbols in COFF, 1087 # and is not configured to handle mixed ELF and COFF. 1088 noconfigdirs="$noconfigdirs ld target-libgloss" 1089 ;; 1090 i[[3456789]]86-*-sco*) 1091 noconfigdirs="$noconfigdirs gprof target-libgloss" 1092 ;; 1093 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*) 1094 noconfigdirs="$noconfigdirs target-libgloss" 1095 ;; 1096 i[[3456789]]86-*-sysv4*) 1097 noconfigdirs="$noconfigdirs target-libgloss" 1098 ;; 1099 i[[3456789]]86-*-beos*) 1100 noconfigdirs="$noconfigdirs gdb" 1101 ;; 1102 i[[3456789]]86-*-rdos*) 1103 noconfigdirs="$noconfigdirs gdb" 1104 ;; 1105 mmix-*-*) 1106 noconfigdirs="$noconfigdirs gdb" 1107 ;; 1108 mt-*-*) 1109 noconfigdirs="$noconfigdirs sim" 1110 ;; 1111 powerpc-*-aix*) 1112 # copied from rs6000-*-* entry 1113 noconfigdirs="$noconfigdirs gprof" 1114 ;; 1115 powerpc*-*-winnt* | powerpc*-*-pe*) 1116 target_configdirs="$target_configdirs target-winsup" 1117 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl" 1118 # always build newlib. 1119 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` 1120 ;; 1121 # This is temporary until we can link against shared libraries 1122 powerpcle-*-solaris*) 1123 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl" 1124 ;; 1125 powerpc-*-beos*) 1126 noconfigdirs="$noconfigdirs gdb" 1127 ;; 1128 rs6000-*-lynxos*) 1129 noconfigdirs="$noconfigdirs gprof" 1130 ;; 1131 rs6000-*-aix*) 1132 noconfigdirs="$noconfigdirs gprof" 1133 ;; 1134 rs6000-*-*) 1135 noconfigdirs="$noconfigdirs gprof" 1136 ;; 1137 m68k-apollo-*) 1138 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss" 1139 ;; 1140 microblaze*) 1141 noconfigdirs="$noconfigdirs gprof" 1142 ;; 1143 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*) 1144 if test x$with_newlib = xyes; then 1145 noconfigdirs="$noconfigdirs gprof" 1146 fi 1147 ;; 1148 mips*-*-irix5*) 1149 noconfigdirs="$noconfigdirs gprof target-libgloss" 1150 ;; 1151 mips*-*-irix6*) 1152 noconfigdirs="$noconfigdirs gprof target-libgloss" 1153 ;; 1154 mips*-*-bsd*) 1155 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss" 1156 ;; 1157 mips*-*-linux*) 1158 ;; 1159 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \ 1160 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*) 1161 noconfigdirs="$noconfigdirs ld gas gprof" 1162 ;; 1163 mips*-*-*) 1164 noconfigdirs="$noconfigdirs gprof" 1165 ;; 1166 nvptx*-*-*) 1167 noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc" 1168 ;; 1169 sh-*-*) 1170 case "${target}" in 1171 sh*-*-elf) 1172 ;; 1173 *) 1174 noconfigdirs="$noconfigdirs target-libgloss" ;; 1175 esac 1176 ;; 1177 sparc-*-sunos4*) 1178 if test x${is_cross_compiler} = xno ; then 1179 use_gnu_ld=no 1180 fi 1181 ;; 1182 tic6x-*-*) 1183 noconfigdirs="$noconfigdirs sim" 1184 ;; 1185 tilepro*-*-* | tilegx*-*-*) 1186 noconfigdirs="$noconfigdirs sim" 1187 ;; 1188 v810-*-*) 1189 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss" 1190 ;; 1191 vax-*-*) 1192 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1193 ;; 1194esac 1195 1196# If we aren't building newlib, then don't build libgloss, since libgloss 1197# depends upon some newlib header files. 1198case "${noconfigdirs}" in 1199 *target-libgloss*) ;; 1200 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;; 1201esac 1202 1203# Work in distributions that contain no compiler tools, like Autoconf. 1204host_makefile_frag=/dev/null 1205if test -d ${srcdir}/config ; then 1206case "${host}" in 1207 i[[3456789]]86-*-msdosdjgpp*) 1208 host_makefile_frag="config/mh-djgpp" 1209 ;; 1210 *-cygwin*) 1211 ACX_CHECK_CYGWIN_CAT_WORKS 1212 host_makefile_frag="config/mh-cygwin" 1213 ;; 1214 *-mingw*) 1215 host_makefile_frag="config/mh-mingw" 1216 ;; 1217 alpha*-linux*) 1218 host_makefile_frag="config/mh-alpha-linux" 1219 ;; 1220 hppa*-hp-hpux10*) 1221 host_makefile_frag="config/mh-pa-hpux10" 1222 ;; 1223 hppa*-hp-hpux*) 1224 host_makefile_frag="config/mh-pa" 1225 ;; 1226 hppa*-*) 1227 host_makefile_frag="config/mh-pa" 1228 ;; 1229 *-*-darwin*) 1230 host_makefile_frag="config/mh-darwin" 1231 ;; 1232 powerpc-*-aix*) 1233 host_makefile_frag="config/mh-ppc-aix" 1234 ;; 1235 rs6000-*-aix*) 1236 host_makefile_frag="config/mh-ppc-aix" 1237 ;; 1238esac 1239fi 1240 1241if test "${build}" != "${host}" ; then 1242 AR_FOR_BUILD=${AR_FOR_BUILD-ar} 1243 AS_FOR_BUILD=${AS_FOR_BUILD-as} 1244 CC_FOR_BUILD=${CC_FOR_BUILD-gcc} 1245 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++} 1246 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran} 1247 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo} 1248 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool} 1249 LD_FOR_BUILD=${LD_FOR_BUILD-ld} 1250 NM_FOR_BUILD=${NM_FOR_BUILD-nm} 1251 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib} 1252 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres} 1253 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc} 1254else 1255 AR_FOR_BUILD="\$(AR)" 1256 AS_FOR_BUILD="\$(AS)" 1257 CC_FOR_BUILD="\$(CC)" 1258 CXX_FOR_BUILD="\$(CXX)" 1259 GFORTRAN_FOR_BUILD="\$(GFORTRAN)" 1260 GOC_FOR_BUILD="\$(GOC)" 1261 DLLTOOL_FOR_BUILD="\$(DLLTOOL)" 1262 LD_FOR_BUILD="\$(LD)" 1263 NM_FOR_BUILD="\$(NM)" 1264 RANLIB_FOR_BUILD="\$(RANLIB)" 1265 WINDRES_FOR_BUILD="\$(WINDRES)" 1266 WINDMC_FOR_BUILD="\$(WINDMC)" 1267fi 1268 1269AC_PROG_CC 1270AC_PROG_CXX 1271 1272# We must set the default linker to the linker used by gcc for the correct 1273# operation of libtool. If LD is not defined and we are using gcc, try to 1274# set the LD default to the ld used by gcc. 1275if test -z "$LD"; then 1276 if test "$GCC" = yes; then 1277 case $build in 1278 *-*-mingw*) 1279 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;; 1280 *) 1281 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;; 1282 esac 1283 case $gcc_prog_ld in 1284 # Accept absolute paths. 1285 [[\\/]* | [A-Za-z]:[\\/]*)] 1286 LD="$gcc_prog_ld" ;; 1287 esac 1288 fi 1289fi 1290 1291# Check whether -static-libstdc++ -static-libgcc is supported. 1292have_static_libs=no 1293if test "$GCC" = yes; then 1294 saved_LDFLAGS="$LDFLAGS" 1295 1296 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc" 1297 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc]) 1298 AC_LANG_PUSH(C++) 1299 AC_LINK_IFELSE([ 1300#if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5) 1301#error -static-libstdc++ not implemented 1302#endif 1303int main() {}], 1304 [AC_MSG_RESULT([yes]); have_static_libs=yes], 1305 [AC_MSG_RESULT([no])]) 1306 AC_LANG_POP(C++) 1307 1308 LDFLAGS="$saved_LDFLAGS" 1309fi 1310 1311ACX_PROG_GNAT 1312ACX_PROG_CMP_IGNORE_INITIAL 1313 1314AC_ARG_ENABLE([bootstrap], 1315[AS_HELP_STRING([--enable-bootstrap], 1316 [enable bootstrapping @<:@yes if native build@:>@])],, 1317enable_bootstrap=default) 1318 1319# Issue errors and warnings for invalid/strange bootstrap combinations. 1320if test -r $srcdir/gcc/configure; then 1321 have_compiler=yes 1322else 1323 have_compiler=no 1324fi 1325 1326case "$have_compiler:$host:$target:$enable_bootstrap" in 1327 *:*:*:no) ;; 1328 1329 # Default behavior. Enable bootstrap if we have a compiler 1330 # and we are in a native configuration. 1331 yes:$build:$build:default) 1332 enable_bootstrap=yes ;; 1333 1334 *:*:*:default) 1335 enable_bootstrap=no ;; 1336 1337 # We have a compiler and we are in a native configuration, bootstrap is ok 1338 yes:$build:$build:yes) 1339 ;; 1340 1341 # Other configurations, but we have a compiler. Assume the user knows 1342 # what he's doing. 1343 yes:*:*:yes) 1344 AC_MSG_WARN([trying to bootstrap a cross compiler]) 1345 ;; 1346 1347 # No compiler: if they passed --enable-bootstrap explicitly, fail 1348 no:*:*:yes) 1349 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;; 1350 1351 # Fail if wrong command line 1352 *) 1353 AC_MSG_ERROR([invalid option for --enable-bootstrap]) 1354 ;; 1355esac 1356 1357# When bootstrapping with GCC, build stage 1 in C++98 mode to ensure that a 1358# C++98 compiler can still start the bootstrap. 1359if test "$enable_bootstrap:$GXX" = "yes:yes"; then 1360 CXX="$CXX -std=gnu++98" 1361fi 1362 1363# Used for setting $lt_cv_objdir 1364_LT_CHECK_OBJDIR 1365 1366# Check for GMP, MPFR and MPC 1367gmplibs="-lmpc -lmpfr -lgmp" 1368gmpinc= 1369have_gmp=no 1370 1371# Specify a location for mpc 1372# check for this first so it ends up on the link line before mpfr. 1373AC_ARG_WITH(mpc, 1374[AS_HELP_STRING([--with-mpc=PATH], 1375 [specify prefix directory for installed MPC package. 1376 Equivalent to --with-mpc-include=PATH/include 1377 plus --with-mpc-lib=PATH/lib])]) 1378AC_ARG_WITH(mpc-include, 1379[AS_HELP_STRING([--with-mpc-include=PATH], 1380 [specify directory for installed MPC include files])]) 1381AC_ARG_WITH(mpc-lib, 1382[AS_HELP_STRING([--with-mpc-lib=PATH], 1383 [specify directory for the installed MPC library])]) 1384 1385if test "x$with_mpc" != x; then 1386 gmplibs="-L$with_mpc/lib $gmplibs" 1387 gmpinc="-I$with_mpc/include $gmpinc" 1388fi 1389if test "x$with_mpc_include" != x; then 1390 gmpinc="-I$with_mpc_include $gmpinc" 1391fi 1392if test "x$with_mpc_lib" != x; then 1393 gmplibs="-L$with_mpc_lib $gmplibs" 1394fi 1395if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then 1396 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs" 1397 gmpinc='-I$$s/mpc/src '"$gmpinc" 1398 # Do not test the mpc version. Assume that it is sufficient, since 1399 # it is in the source tree, and the library has not been built yet 1400 # but it would be included on the link line in the version check below 1401 # hence making the test fail. 1402 have_gmp=yes 1403fi 1404 1405# Specify a location for mpfr 1406# check for this first so it ends up on the link line before gmp. 1407AC_ARG_WITH(mpfr-dir, 1408[AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])], 1409[AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed. 1410Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])]) 1411 1412AC_ARG_WITH(mpfr, 1413[AS_HELP_STRING([--with-mpfr=PATH], 1414 [specify prefix directory for installed MPFR package. 1415 Equivalent to --with-mpfr-include=PATH/include 1416 plus --with-mpfr-lib=PATH/lib])]) 1417AC_ARG_WITH(mpfr-include, 1418[AS_HELP_STRING([--with-mpfr-include=PATH], 1419 [specify directory for installed MPFR include files])]) 1420AC_ARG_WITH(mpfr-lib, 1421[AS_HELP_STRING([--with-mpfr-lib=PATH], 1422 [specify directory for the installed MPFR library])]) 1423 1424if test "x$with_mpfr" != x; then 1425 gmplibs="-L$with_mpfr/lib $gmplibs" 1426 gmpinc="-I$with_mpfr/include $gmpinc" 1427fi 1428if test "x$with_mpfr_include" != x; then 1429 gmpinc="-I$with_mpfr_include $gmpinc" 1430fi 1431if test "x$with_mpfr_lib" != x; then 1432 gmplibs="-L$with_mpfr_lib $gmplibs" 1433fi 1434if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then 1435 # MPFR v3.1.0 moved the sources into a src sub-directory. 1436 if ! test -d ${srcdir}/mpfr/src; then 1437 AC_MSG_ERROR([dnl 1438Building GCC with MPFR in the source tree is only handled for MPFR 3.1.0+.]) 1439 fi 1440 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs" 1441 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc" 1442 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir" 1443 # Do not test the mpfr version. Assume that it is sufficient, since 1444 # it is in the source tree, and the library has not been built yet 1445 # but it would be included on the link line in the version check below 1446 # hence making the test fail. 1447 have_gmp=yes 1448fi 1449 1450# Specify a location for gmp 1451AC_ARG_WITH(gmp-dir, 1452[AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])], 1453[AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed. 1454Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])]) 1455 1456AC_ARG_WITH(gmp, 1457[AS_HELP_STRING([--with-gmp=PATH], 1458 [specify prefix directory for the installed GMP package. 1459 Equivalent to --with-gmp-include=PATH/include 1460 plus --with-gmp-lib=PATH/lib])]) 1461AC_ARG_WITH(gmp-include, 1462[AS_HELP_STRING([--with-gmp-include=PATH], 1463 [specify directory for installed GMP include files])]) 1464AC_ARG_WITH(gmp-lib, 1465[AS_HELP_STRING([--with-gmp-lib=PATH], 1466 [specify directory for the installed GMP library])]) 1467 1468 1469if test "x$with_gmp" != x; then 1470 gmplibs="-L$with_gmp/lib $gmplibs" 1471 gmpinc="-I$with_gmp/include $gmpinc" 1472fi 1473if test "x$with_gmp_include" != x; then 1474 gmpinc="-I$with_gmp_include $gmpinc" 1475fi 1476if test "x$with_gmp_lib" != x; then 1477 gmplibs="-L$with_gmp_lib $gmplibs" 1478fi 1479if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then 1480 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs" 1481 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc" 1482 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir" 1483 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir" 1484 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp' 1485 # Do not test the gmp version. Assume that it is sufficient, since 1486 # it is in the source tree, and the library has not been built yet 1487 # but it would be included on the link line in the version check below 1488 # hence making the test fail. 1489 have_gmp=yes 1490fi 1491 1492if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then 1493 have_gmp=yes 1494 saved_CFLAGS="$CFLAGS" 1495 CFLAGS="$CFLAGS $gmpinc" 1496 # Check for the recommended and required versions of GMP. 1497 AC_MSG_CHECKING([for the correct version of gmp.h]) 1498 AC_TRY_COMPILE([#include "gmp.h"],[ 1499 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) 1500 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) 1501 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3) 1502 choke me 1503 #endif 1504 ], [AC_TRY_COMPILE([#include <gmp.h>],[ 1505 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) 1506 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) 1507 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2) 1508 choke me 1509 #endif 1510 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1511 [AC_MSG_RESULT([no]); have_gmp=no]) 1512 1513 # If we have GMP, check the MPFR version. 1514 if test x"$have_gmp" = xyes; then 1515 # Check for the recommended and required versions of MPFR. 1516 AC_MSG_CHECKING([for the correct version of mpfr.h]) 1517 AC_TRY_COMPILE([#include <gmp.h> 1518 #include <mpfr.h>],[ 1519 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0) 1520 choke me 1521 #endif 1522 ], [AC_TRY_COMPILE([#include <gmp.h> 1523 #include <mpfr.h>],[ 1524 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2) 1525 choke me 1526 #endif 1527 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1528 [AC_MSG_RESULT([no]); have_gmp=no]) 1529 fi 1530 1531 # Check for the MPC header version. 1532 if test x"$have_gmp" = xyes ; then 1533 # Check for the recommended and required versions of MPC. 1534 AC_MSG_CHECKING([for the correct version of mpc.h]) 1535 AC_TRY_COMPILE([#include <mpc.h>],[ 1536 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0) 1537 choke me 1538 #endif 1539 ], [AC_TRY_COMPILE([#include <mpc.h>],[ 1540 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1) 1541 choke me 1542 #endif 1543 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1544 [AC_MSG_RESULT([no]); have_gmp=no]) 1545 fi 1546 1547 # Now check the MPFR library. 1548 if test x"$have_gmp" = xyes; then 1549 saved_LIBS="$LIBS" 1550 LIBS="$LIBS $gmplibs" 1551 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries]) 1552 AC_TRY_LINK([#include <mpc.h>],[ 1553 mpfr_t n; 1554 mpfr_t x; 1555 mpc_t c; 1556 int t; 1557 mpfr_init (n); 1558 mpfr_init (x); 1559 mpfr_atan2 (n, n, x, GMP_RNDN); 1560 mpfr_erfc (n, x, GMP_RNDN); 1561 mpfr_subnormalize (x, t, GMP_RNDN); 1562 mpfr_clear(n); 1563 mpfr_clear(x); 1564 mpc_init2 (c, 53); 1565 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN); 1566 mpc_cosh (c, c, MPC_RNDNN); 1567 mpc_pow (c, c, c, MPC_RNDNN); 1568 mpc_acosh (c, c, MPC_RNDNN); 1569 mpc_clear (c); 1570 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no]) 1571 LIBS="$saved_LIBS" 1572 fi 1573 1574 CFLAGS="$saved_CFLAGS" 1575 1576# The library versions listed in the error message below should match 1577# the HARD-minimums enforced above. 1578 if test x$have_gmp != xyes; then 1579 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+. 1580Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify 1581their locations. Source code for these libraries can be found at 1582their respective hosting sites as well as at 1583ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also 1584http://gcc.gnu.org/install/prerequisites.html for additional info. If 1585you obtained GMP, MPFR and/or MPC from a vendor distribution package, 1586make sure that you have installed both the libraries and the header 1587files. They may be located in separate packages.]) 1588 fi 1589fi 1590 1591# Flags needed for both GMP, MPFR and/or MPC. 1592AC_SUBST(gmplibs) 1593AC_SUBST(gmpinc) 1594AC_SUBST(extra_mpfr_configure_flags) 1595AC_SUBST(extra_mpc_gmp_configure_flags) 1596AC_SUBST(extra_mpc_mpfr_configure_flags) 1597AC_SUBST(extra_isl_gmp_configure_flags) 1598 1599# Libraries to use for stage1 or when not bootstrapping. 1600AC_ARG_WITH(stage1-libs, 1601[AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])], 1602[if test "$withval" = "no" -o "$withval" = "yes"; then 1603 stage1_libs= 1604 else 1605 stage1_libs=$withval 1606 fi], 1607[stage1_libs=]) 1608AC_SUBST(stage1_libs) 1609 1610# Linker flags to use for stage1 or when not bootstrapping. 1611AC_ARG_WITH(stage1-ldflags, 1612[AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])], 1613[if test "$withval" = "no" -o "$withval" = "yes"; then 1614 stage1_ldflags= 1615 else 1616 stage1_ldflags=$withval 1617 fi], 1618[stage1_ldflags= 1619 # In stage 1, default to linking libstdc++ and libgcc statically with GCC 1620 # if supported. But if the user explicitly specified the libraries to use, 1621 # trust that they are doing what they want. 1622 if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then 1623 stage1_ldflags="-static-libstdc++ -static-libgcc" 1624 fi]) 1625AC_SUBST(stage1_ldflags) 1626 1627# Libraries to use for stage2 and later builds. 1628AC_ARG_WITH(boot-libs, 1629[AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])], 1630[if test "$withval" = "no" -o "$withval" = "yes"; then 1631 poststage1_libs= 1632 else 1633 poststage1_libs=$withval 1634 fi], 1635[poststage1_libs=]) 1636AC_SUBST(poststage1_libs) 1637 1638# Linker flags to use for stage2 and later builds. 1639AC_ARG_WITH(boot-ldflags, 1640[AS_HELP_STRING([--with-boot-ldflags=FLAGS], 1641 [linker flags for stage2 and later])], 1642[if test "$withval" = "no" -o "$withval" = "yes"; then 1643 poststage1_ldflags= 1644 else 1645 poststage1_ldflags=$withval 1646 fi], 1647[poststage1_ldflags= 1648 # In stages 2 and 3, default to linking libstdc++ and libgcc 1649 # statically. But if the user explicitly specified the libraries to 1650 # use, trust that they are doing what they want. 1651 if test "$poststage1_libs" = ""; then 1652 poststage1_ldflags="-static-libstdc++ -static-libgcc" 1653 fi]) 1654AC_SUBST(poststage1_ldflags) 1655 1656# GCC GRAPHITE dependency isl. 1657# Basic setup is inlined here, actual checks are in config/isl.m4 1658 1659AC_ARG_WITH(isl, 1660 [AS_HELP_STRING( 1661 [--with-isl=PATH], 1662 [Specify prefix directory for the installed isl package. 1663 Equivalent to --with-isl-include=PATH/include 1664 plus --with-isl-lib=PATH/lib])]) 1665 1666# Treat --without-isl as a request to disable 1667# GRAPHITE support and skip all following checks. 1668if test "x$with_isl" != "xno"; then 1669 # Check for isl 1670 dnl Provide configure switches and initialize islinc & isllibs 1671 dnl with user input. 1672 ISL_INIT_FLAGS 1673 dnl The versions of isl that work for Graphite 1674 ISL_CHECK_VERSION() 1675 dnl Only execute fail-action, if isl has been requested. 1676 ISL_IF_FAILED([ 1677 AC_MSG_ERROR([Unable to find a usable isl. See config.log for details.])]) 1678fi 1679 1680# If the isl check failed, disable builds of in-tree variant of isl 1681if test "x$with_isl" = xno || 1682 test "x$gcc_cv_isl" = xno; then 1683 noconfigdirs="$noconfigdirs isl" 1684 islinc= 1685fi 1686 1687AC_SUBST(isllibs) 1688AC_SUBST(islinc) 1689 1690# Check for LTO support. 1691AC_ARG_ENABLE(lto, 1692[AS_HELP_STRING([--enable-lto], [enable link time optimization support])], 1693enable_lto=$enableval, 1694enable_lto=yes; default_enable_lto=yes) 1695 1696ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always. 1697 build_lto_plugin=yes 1698],[if test x"$default_enable_lto" = x"yes" ; then 1699 case $target in 1700 *-apple-darwin[[912]]* | *-cygwin* | *-mingw* | *djgpp*) ;; 1701 # On other non-ELF platforms, LTO has yet to be validated. 1702 *) enable_lto=no ;; 1703 esac 1704 else 1705 # Apart from ELF platforms, only Windows and Darwin support LTO so far. 1706 # It would also be nice to check the binutils support, but we don't 1707 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just 1708 # warn during gcc/ subconfigure; unless you're bootstrapping with 1709 # -flto it won't be needed until after installation anyway. 1710 case $target in 1711 *-cygwin* | *-mingw* | *-apple-darwin* | *djgpp*) ;; 1712 *) if test x"$enable_lto" = x"yes"; then 1713 AC_MSG_ERROR([LTO support is not enabled for this target.]) 1714 fi 1715 ;; 1716 esac 1717 fi 1718 # Among non-ELF, only Windows platforms support the lto-plugin so far. 1719 # Build it unless LTO was explicitly disabled. 1720 case $target in 1721 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;; 1722 *) ;; 1723 esac 1724]) 1725 1726AC_ARG_ENABLE(linker-plugin-configure-flags, 1727 [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]], 1728 [additional flags for configuring linker plugins @<:@none@:>@])], 1729 extra_linker_plugin_configure_flags=$enableval, 1730 extra_linker_plugin_configure_flags=) 1731AC_SUBST(extra_linker_plugin_configure_flags) 1732AC_ARG_ENABLE(linker-plugin-flags, 1733 [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]], 1734 [additional flags for configuring and building linker plugins @<:@none@:>@])], 1735 extra_linker_plugin_flags=$enableval, 1736 extra_linker_plugin_flags=) 1737AC_SUBST(extra_linker_plugin_flags) 1738 1739# Enable --enable-host-shared. 1740# Checked early to determine whether jit is an 'all' language 1741AC_ARG_ENABLE(host-shared, 1742[AS_HELP_STRING([--enable-host-shared], 1743 [build host code as shared libraries])], 1744[host_shared=$enableval], [host_shared=no]) 1745AC_SUBST(host_shared) 1746 1747# By default, C and C++ are the only stage 1 languages. 1748stage1_languages=,c, 1749 1750# Target libraries that we bootstrap. 1751bootstrap_target_libs=,target-libgcc, 1752 1753# Figure out what language subdirectories are present. 1754# Look if the user specified --enable-languages="..."; if not, use 1755# the environment variable $LANGUAGES if defined. $LANGUAGES might 1756# go away some day. 1757# NB: embedded tabs in this IF block -- do not untabify 1758if test -d ${srcdir}/gcc; then 1759 if test x"${enable_languages+set}" != xset; then 1760 if test x"${LANGUAGES+set}" = xset; then 1761 enable_languages="${LANGUAGES}" 1762 echo configure.ac: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2 1763 else 1764 enable_languages=default 1765 fi 1766 else 1767 if test x"${enable_languages}" = x || 1768 test x"${enable_languages}" = xyes; 1769 then 1770 echo configure.ac: --enable-languages needs at least one language argument 1>&2 1771 exit 1 1772 fi 1773 fi 1774 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'` 1775 1776 # 'f95' is the old name for the 'fortran' language. We issue a warning 1777 # and make the substitution. 1778 case ,${enable_languages}, in 1779 *,f95,*) 1780 echo configure.ac: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2 1781 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'` 1782 ;; 1783 esac 1784 1785 # If bootstrapping, C++ must be enabled. 1786 case ",$enable_languages,:$enable_bootstrap" in 1787 *,c++,*:*) ;; 1788 *:yes) 1789 if test -f ${srcdir}/gcc/cp/config-lang.in; then 1790 enable_languages="${enable_languages},c++" 1791 else 1792 AC_MSG_ERROR([bootstrapping requires c++ sources]) 1793 fi 1794 ;; 1795 esac 1796 1797 # First scan to see if an enabled language requires some other language. 1798 # We assume that a given config-lang.in will list all the language 1799 # front ends it requires, even if some are required indirectly. 1800 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do 1801 case ${lang_frag} in 1802 ..) ;; 1803 # The odd quoting in the next line works around 1804 # an apparent bug in bash 1.12 on linux. 1805 ${srcdir}/gcc/[[*]]/config-lang.in) ;; 1806 *) 1807 # From the config-lang.in, get $language, $lang_requires, and 1808 # $lang_requires_boot_languages. 1809 language= 1810 lang_requires= 1811 lang_requires_boot_languages= 1812 # set srcdir during sourcing lang_frag to the gcc dir. 1813 # Sadly overriding srcdir on the . line doesn't work in plain sh as it 1814 # polutes this shell 1815 saved_srcdir=${srcdir} 1816 srcdir=${srcdir}/gcc . ${lang_frag} 1817 srcdir=${saved_srcdir} 1818 for other in ${lang_requires} ${lang_requires_boot_languages}; do 1819 case ,${enable_languages}, in 1820 *,$other,*) ;; 1821 *,default,*) ;; 1822 *,all,*) ;; 1823 *,$language,*) 1824 echo " \`$other' language required by \`$language'; enabling" 1>&2 1825 enable_languages="${enable_languages},${other}" 1826 ;; 1827 esac 1828 done 1829 for other in ${lang_requires_boot_languages} ; do 1830 if test "$other" != "c"; then 1831 case ,${enable_stage1_languages}, in 1832 *,$other,*) ;; 1833 *,default,*) ;; 1834 *,all,*) ;; 1835 *) 1836 case ,${enable_languages}, in 1837 *,$language,*) 1838 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2 1839 enable_stage1_languages="$enable_stage1_languages,${other}" 1840 ;; 1841 esac 1842 ;; 1843 esac 1844 fi 1845 done 1846 ;; 1847 esac 1848 done 1849 1850 new_enable_languages=,c, 1851 1852 # If LTO is enabled, add the LTO front end. 1853 if test "$enable_lto" = "yes" ; then 1854 case ,${enable_languages}, in 1855 *,lto,*) ;; 1856 *) enable_languages="${enable_languages},lto" ;; 1857 esac 1858 if test "${build_lto_plugin}" = "yes" ; then 1859 configdirs="$configdirs lto-plugin" 1860 fi 1861 fi 1862 1863 # If we're building an offloading compiler, add the LTO front end. 1864 if test x"$enable_as_accelerator_for" != x ; then 1865 case ,${enable_languages}, in 1866 *,lto,*) ;; 1867 *) enable_languages="${enable_languages},lto" ;; 1868 esac 1869 fi 1870 1871 missing_languages=`echo ",$enable_languages," | sed -e s/,default,/,/ -e s/,all,/,/ -e s/,c,/,/ ` 1872 potential_languages=,c, 1873 1874 enabled_target_libs= 1875 disabled_target_libs= 1876 1877 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do 1878 case ${lang_frag} in 1879 ..) ;; 1880 # The odd quoting in the next line works around 1881 # an apparent bug in bash 1.12 on linux. 1882 ${srcdir}/gcc/[[*]]/config-lang.in) ;; 1883 *) 1884 # From the config-lang.in, get $language, $target_libs, 1885 # $lang_dirs, $boot_language, and $build_by_default 1886 language= 1887 target_libs= 1888 lang_dirs= 1889 subdir_requires= 1890 boot_language=no 1891 build_by_default=yes 1892 # set srcdir during sourcing. See above about save & restore 1893 saved_srcdir=${srcdir} 1894 srcdir=${srcdir}/gcc . ${lang_frag} 1895 srcdir=${saved_srcdir} 1896 if test x${language} = x; then 1897 echo "${lang_frag} doesn't set \$language." 1>&2 1898 exit 1 1899 fi 1900 1901 if test "$language" = "c++"; then 1902 boot_language=yes 1903 fi 1904 1905 add_this_lang=no 1906 # C is always enabled, so no need to add it again 1907 if test "$language" != "c"; then 1908 case ,${enable_languages}, in 1909 *,${language},*) 1910 # Language was explicitly selected; include it 1911 add_this_lang=yes 1912 ;; 1913 *,all,*) 1914 # All languages are enabled 1915 add_this_lang=all 1916 ;; 1917 *,default,*) 1918 # 'default' was selected, select it if it is a default language 1919 add_this_lang=${build_by_default} 1920 ;; 1921 esac 1922 fi 1923 1924 # Disable languages that need other directories if these aren't available. 1925 for i in $subdir_requires; do 1926 test -f "$srcdir/gcc/$i/config-lang.in" && continue 1927 case ${add_this_lang} in 1928 yes) 1929 # Specifically requested language; tell them. 1930 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing]) 1931 ;; 1932 all) 1933 AC_MSG_WARN([The gcc/$i directory contains parts of $language but is missing]) 1934 add_this_lang=unsupported 1935 ;; 1936 *) 1937 # Silently disable. 1938 add_this_lang=unsupported 1939 ;; 1940 esac 1941 done 1942 1943 # Disable Ada if no preexisting GNAT is available. 1944 case ${add_this_lang}:${language}:${have_gnat} in 1945 yes:ada:no) 1946 # Specifically requested language; tell them. 1947 AC_MSG_ERROR([GNAT is required to build $language]) 1948 ;; 1949 all:ada:no) 1950 AC_MSG_WARN([GNAT is required to build $language]) 1951 add_this_lang=unsupported 1952 ;; 1953 *:ada:no) 1954 # Silently disable. 1955 add_this_lang=unsupported 1956 ;; 1957 esac 1958 1959 # Disable jit if -enable-host-shared not specified 1960 case ${add_this_lang}:${language}:${host_shared} in 1961 yes:jit:no) 1962 # PR jit/64780: explicitly specify --enable-host-shared 1963 AC_MSG_ERROR([ 1964Enabling language "jit" requires --enable-host-shared. 1965 1966--enable-host-shared typically slows the rest of the compiler down by 1967a few %, so you must explicitly enable it. 1968 1969If you want to build both the jit and the regular compiler, it is often 1970best to do this via two separate configure/builds, in separate 1971directories, to avoid imposing the performance cost of 1972--enable-host-shared on the regular compiler.]) 1973 ;; 1974 all:jit:no) 1975 AC_MSG_WARN([--enable-host-shared required to build $language]) 1976 add_this_lang=unsupported 1977 ;; 1978 *:jit:no) 1979 # Silently disable. 1980 add_this_lang=unsupported 1981 ;; 1982 esac 1983 1984 # Disable a language that is unsupported by the target. 1985 case "${add_this_lang}: $unsupported_languages " in 1986 no:*) ;; 1987 unsupported:*) ;; 1988 *:*" $language "*) 1989 AC_MSG_WARN([${language} not supported for this target]) 1990 add_this_lang=unsupported 1991 ;; 1992 esac 1993 1994 case $add_this_lang in 1995 unsupported) 1996 # Remove language-dependent dirs. 1997 disabled_target_libs="$disabled_target_libs $target_libs" 1998 noconfigdirs="$noconfigdirs $lang_dirs" 1999 ;; 2000 no) 2001 # Remove language-dependent dirs; still show language as supported. 2002 disabled_target_libs="$disabled_target_libs $target_libs" 2003 noconfigdirs="$noconfigdirs $lang_dirs" 2004 potential_languages="${potential_languages}${language}," 2005 ;; 2006 all|yes) 2007 new_enable_languages="${new_enable_languages}${language}," 2008 potential_languages="${potential_languages}${language}," 2009 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"` 2010 enabled_target_libs="$enabled_target_libs $target_libs" 2011 case "${boot_language}:,$enable_stage1_languages," in 2012 yes:* | *:*,$language,* | *:*,yes, | *:*,all,) 2013 # Add to (comma-separated) list of stage 1 languages. 2014 case ",$stage1_languages," in 2015 *,$language,* | ,yes, | ,all,) ;; 2016 *) stage1_languages="${stage1_languages}${language}," ;; 2017 esac 2018 # We need to bootstrap any supporting libraries. 2019 bootstrap_target_libs="${bootstrap_target_libs}${target_libs}," 2020 ;; 2021 esac 2022 ;; 2023 esac 2024 ;; 2025 esac 2026 done 2027 2028 # Add target libraries which are only needed for disabled languages 2029 # to noconfigdirs. 2030 if test -n "$disabled_target_libs"; then 2031 for dir in $disabled_target_libs; do 2032 case " $enabled_target_libs " in 2033 *" ${dir} "*) ;; 2034 *) noconfigdirs="$noconfigdirs $dir" ;; 2035 esac 2036 done 2037 fi 2038 2039 AC_ARG_ENABLE(stage1-languages, 2040 [AS_HELP_STRING([[--enable-stage1-languages[=all]]], 2041 [choose additional languages to build during 2042 stage1. Mostly useful for compiler development])], 2043 [case ,${enable_stage1_languages}, in 2044 ,no,|,,) 2045 # Set it to something that will have no effect in the loop below 2046 enable_stage1_languages=c ;; 2047 ,yes,) 2048 enable_stage1_languages=`echo $new_enable_languages | \ 2049 sed -e "s/^,//" -e "s/,$//" ` ;; 2050 *,all,*) 2051 enable_stage1_languages=`echo ,$enable_stage1_languages, | \ 2052 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;; 2053 esac 2054 2055 # Add "good" languages from enable_stage1_languages to stage1_languages, 2056 # while "bad" languages go in missing_languages. Leave no duplicates. 2057 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do 2058 case $potential_languages in 2059 *,$i,*) 2060 case $stage1_languages in 2061 *,$i,*) ;; 2062 *) stage1_languages="$stage1_languages$i," ;; 2063 esac ;; 2064 *) 2065 case $missing_languages in 2066 *,$i,*) ;; 2067 *) missing_languages="$missing_languages$i," ;; 2068 esac ;; 2069 esac 2070 done]) 2071 2072 # Remove leading/trailing commas that were added for simplicity 2073 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"` 2074 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"` 2075 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"` 2076 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"` 2077 2078 if test "x$missing_languages" != x; then 2079 AC_MSG_ERROR([ 2080The following requested languages could not be built: ${missing_languages} 2081Supported languages are: ${potential_languages}]) 2082 fi 2083 if test "x$new_enable_languages" != "x$enable_languages"; then 2084 echo The following languages will be built: ${new_enable_languages} 2085 enable_languages="$new_enable_languages" 2086 fi 2087 2088 AC_SUBST(stage1_languages) 2089 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" ` 2090fi 2091 2092# Handle --disable-<component> generically. 2093for dir in $configdirs $build_configdirs $target_configdirs ; do 2094 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g` 2095 varname=`echo $dirname | sed -e s/+/_/g` 2096 if eval test x\${enable_${varname}} "=" xno ; then 2097 noconfigdirs="$noconfigdirs $dir" 2098 fi 2099done 2100 2101# Check for Boehm's garbage collector 2102AC_ARG_ENABLE(objc-gc, 2103[AS_HELP_STRING([--enable-objc-gc], 2104 [enable use of Boehm's garbage collector with the 2105 GNU Objective-C runtime])]) 2106AC_ARG_WITH([target-bdw-gc], 2107[AS_HELP_STRING([--with-target-bdw-gc=PATHLIST], 2108 [specify prefix directory for installed bdw-gc package. 2109 Equivalent to --with-target-bdw-gc-include=PATH/include 2110 plus --with-target-bdw-gc-lib=PATH/lib])]) 2111AC_ARG_WITH([target-bdw-gc-include], 2112[AS_HELP_STRING([--with-target-bdw-gc-include=PATHLIST], 2113 [specify directories for installed bdw-gc include files])]) 2114AC_ARG_WITH([target-bdw-gc-lib], 2115[AS_HELP_STRING([--with-target-bdw-gc-lib=PATHLIST], 2116 [specify directories for installed bdw-gc library])]) 2117 2118case ,${enable_languages},:${enable_objc_gc} in *,objc,*:yes|*,objc,*:auto) 2119 AC_MSG_CHECKING([for bdw garbage collector]) 2120 if test "x$with_target_bdw_gc$with_target_bdw_gc_include$with_target_bdw_gc_lib" = x; then 2121 dnl no bdw-gw options, assume default locations 2122 AC_MSG_RESULT([using bdw-gc in default locations]) 2123 else 2124 dnl bdw-gw options, first error checking, complete checking in libobjc 2125 if test "x$with_target_bdw_gc_include" = x && test "x$with_target_bdw_gc_lib" != x; then 2126 AC_MSG_ERROR([found --with-target-bdw-gc-lib but --with-target-bdw-gc-include missing]) 2127 elif test "x$with_target_bdw_gc_include" != x && test "x$with_target_bdw_gc_lib" = x; then 2128 AC_MSG_ERROR([found --with-target-bdw-gc-include but --with-target-bdw-gc-lib missing]) 2129 else 2130 AC_MSG_RESULT([using paths configured with --with-target-bdw-gc options]) 2131 fi 2132 fi 2133esac 2134 2135# Disable libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++ 2136case ,${enable_languages}, in 2137 *,c++,*) 2138 # Disable libitm, libsanitizer if we're not building libstdc++ 2139 case "${noconfigdirs}" in 2140 *target-libstdc++-v3*) 2141 noconfigdirs="$noconfigdirs target-libitm target-libsanitizer" 2142 ;; 2143 *) ;; 2144 esac 2145 ;; 2146 *) 2147 noconfigdirs="$noconfigdirs target-liboffloadmic target-libitm target-libsanitizer target-libvtv" 2148 ;; 2149esac 2150 2151# Remove the entries in $skipdirs and $noconfigdirs from $configdirs, 2152# $build_configdirs and $target_configdirs. 2153# If we have the source for $noconfigdirs entries, add them to $notsupp. 2154 2155notsupp="" 2156for dir in . $skipdirs $noconfigdirs ; do 2157 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g` 2158 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2159 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"` 2160 if test -r $srcdir/$dirname/configure ; then 2161 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2162 true 2163 else 2164 notsupp="$notsupp $dir" 2165 fi 2166 fi 2167 fi 2168 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2169 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"` 2170 if test -r $srcdir/$dirname/configure ; then 2171 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2172 true 2173 else 2174 notsupp="$notsupp $dir" 2175 fi 2176 fi 2177 fi 2178 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2179 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"` 2180 if test -r $srcdir/$dirname/configure ; then 2181 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2182 true 2183 else 2184 notsupp="$notsupp $dir" 2185 fi 2186 fi 2187 fi 2188done 2189 2190# Quietly strip out all directories which aren't configurable in this tree. 2191# This relies on all configurable subdirectories being autoconfiscated, which 2192# is now the case. 2193build_configdirs_all="$build_configdirs" 2194build_configdirs= 2195for i in ${build_configdirs_all} ; do 2196 j=`echo $i | sed -e s/build-//g` 2197 if test -f ${srcdir}/$j/configure ; then 2198 build_configdirs="${build_configdirs} $i" 2199 fi 2200done 2201 2202configdirs_all="$configdirs" 2203configdirs= 2204for i in ${configdirs_all} ; do 2205 if test -f ${srcdir}/$i/configure ; then 2206 configdirs="${configdirs} $i" 2207 fi 2208done 2209 2210target_configdirs_all="$target_configdirs" 2211target_configdirs= 2212for i in ${target_configdirs_all} ; do 2213 j=`echo $i | sed -e s/target-//g` 2214 if test -f ${srcdir}/$j/configure ; then 2215 target_configdirs="${target_configdirs} $i" 2216 fi 2217done 2218 2219# libiberty-linker-plugin is special: it doesn't have its own source directory, 2220# so we have to add it after the preceding checks. 2221if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x 2222then 2223 case " $configdirs " in 2224 *" libiberty "*) 2225 # If we can build libiberty, we can also build libiberty-linker-plugin. 2226 configdirs="$configdirs libiberty-linker-plugin" 2227 extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \ 2228 --with-libiberty=../libiberty-linker-plugin";; 2229 *) 2230 AC_MSG_ERROR([libiberty missing]);; 2231 esac 2232fi 2233 2234# Sometimes we have special requirements for the host libiberty. 2235extra_host_libiberty_configure_flags= 2236extra_host_zlib_configure_flags= 2237case " $configdirs " in 2238 *" lto-plugin "* | *" libcc1 "*) 2239 # When these are to be built as shared libraries, the same applies to 2240 # libiberty. 2241 extra_host_libiberty_configure_flags=--enable-shared 2242 ;; 2243 *" bfd "*) 2244 # When bfd is to be built as a shared library, the same applies to 2245 # zlib. 2246 if test "$enable_shared" = "yes"; then 2247 extra_host_zlib_configure_flags=--enable-host-shared 2248 fi 2249 ;; 2250esac 2251AC_SUBST(extra_host_libiberty_configure_flags) 2252AC_SUBST(extra_host_zlib_configure_flags) 2253 2254# Produce a warning message for the subdirs we can't configure. 2255# This isn't especially interesting in the Cygnus tree, but in the individual 2256# FSF releases, it's important to let people know when their machine isn't 2257# supported by the one or two programs in a package. 2258 2259if test -n "${notsupp}" && test -z "${norecursion}" ; then 2260 # If $appdirs is non-empty, at least one of those directories must still 2261 # be configured, or we error out. (E.g., if the gas release supports a 2262 # specified target in some subdirs but not the gas subdir, we shouldn't 2263 # pretend that all is well.) 2264 if test -n "$appdirs" ; then 2265 for dir in $appdirs ; do 2266 if test -r $dir/Makefile.in ; then 2267 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2268 appdirs="" 2269 break 2270 fi 2271 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then 2272 appdirs="" 2273 break 2274 fi 2275 fi 2276 done 2277 if test -n "$appdirs" ; then 2278 echo "*** This configuration is not supported by this package." 1>&2 2279 exit 1 2280 fi 2281 fi 2282 # Okay, some application will build, or we don't care to check. Still 2283 # notify of subdirs not getting built. 2284 echo "*** This configuration is not supported in the following subdirectories:" 1>&2 2285 echo " ${notsupp}" 1>&2 2286 echo " (Any other directories should still work fine.)" 1>&2 2287fi 2288 2289case "$host" in 2290 *msdosdjgpp*) 2291 enable_gdbtk=no ;; 2292esac 2293 2294# To find our prefix, in gcc_cv_tool_prefix. 2295ACX_TOOL_DIRS 2296 2297copy_dirs= 2298 2299AC_ARG_WITH([build-sysroot], 2300 [AS_HELP_STRING([--with-build-sysroot=SYSROOT], 2301 [use sysroot as the system root during the build])], 2302 [if test x"$withval" != x ; then 2303 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval" 2304 fi], 2305 [SYSROOT_CFLAGS_FOR_TARGET=]) 2306AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET) 2307 2308AC_ARG_WITH([debug-prefix-map], 2309 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'], 2310 [map A to B, C to D ... in debug information])], 2311 [if test x"$withval" != x; then 2312 DEBUG_PREFIX_CFLAGS_FOR_TARGET= 2313 for debug_map in $withval; do 2314 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map" 2315 done 2316 fi], 2317 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=]) 2318AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET) 2319 2320# During gcc bootstrap, if we use some random cc for stage1 then CFLAGS 2321# might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS 2322# might also be empty (or "-g", if a non-GCC C++ compiler is in the path). 2323# We want to ensure that TARGET libraries (which we know are built with 2324# gcc) are built with "-O2 -g", so include those options when setting 2325# CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET. 2326if test "x$CFLAGS_FOR_TARGET" = x; then 2327 if test "x${is_cross_compiler}" = xyes; then 2328 CFLAGS_FOR_TARGET="-g -O2" 2329 else 2330 CFLAGS_FOR_TARGET=$CFLAGS 2331 case " $CFLAGS " in 2332 *" -O2 "*) ;; 2333 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;; 2334 esac 2335 case " $CFLAGS " in 2336 *" -g "* | *" -g3 "*) ;; 2337 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;; 2338 esac 2339 fi 2340fi 2341AC_SUBST(CFLAGS_FOR_TARGET) 2342 2343if test "x$CXXFLAGS_FOR_TARGET" = x; then 2344 if test "x${is_cross_compiler}" = xyes; then 2345 CXXFLAGS_FOR_TARGET="-g -O2" 2346 else 2347 CXXFLAGS_FOR_TARGET=$CXXFLAGS 2348 case " $CXXFLAGS " in 2349 *" -O2 "*) ;; 2350 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;; 2351 esac 2352 case " $CXXFLAGS " in 2353 *" -g "* | *" -g3 "*) ;; 2354 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;; 2355 esac 2356 fi 2357fi 2358AC_SUBST(CXXFLAGS_FOR_TARGET) 2359 2360AC_SUBST(LDFLAGS_FOR_TARGET) 2361 2362# Handle --with-headers=XXX. If the value is not "yes", the contents of 2363# the named directory are copied to $(tooldir)/sys-include. 2364if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then 2365 if test x${is_cross_compiler} = xno ; then 2366 echo 1>&2 '***' --with-headers is only supported when cross compiling 2367 exit 1 2368 fi 2369 if test x"${with_headers}" != xyes ; then 2370 x=${gcc_cv_tool_prefix} 2371 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include" 2372 fi 2373fi 2374 2375# Handle --with-libs=XXX. If the value is not "yes", the contents of 2376# the name directories are copied to $(tooldir)/lib. Multiple directories 2377# are permitted. 2378if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then 2379 if test x${is_cross_compiler} = xno ; then 2380 echo 1>&2 '***' --with-libs is only supported when cross compiling 2381 exit 1 2382 fi 2383 if test x"${with_libs}" != xyes ; then 2384 # Copy the libraries in reverse order, so that files in the first named 2385 # library override files in subsequent libraries. 2386 x=${gcc_cv_tool_prefix} 2387 for l in ${with_libs}; do 2388 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}" 2389 done 2390 fi 2391fi 2392 2393# Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate. 2394# 2395# This is done by determining whether or not the appropriate directory 2396# is available, and by checking whether or not specific configurations 2397# have requested that this magic not happen. 2398# 2399# The command line options always override the explicit settings in 2400# configure.ac, and the settings in configure.ac override this magic. 2401# 2402# If the default for a toolchain is to use GNU as and ld, and you don't 2403# want to do that, then you should use the --without-gnu-as and 2404# --without-gnu-ld options for the configure script. Similarly, if 2405# the default is to use the included zlib and you don't want to do that, 2406# you should use the --with-system-zlib option for the configure script. 2407 2408if test x${use_gnu_as} = x && 2409 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then 2410 with_gnu_as=yes 2411 extra_host_args="$extra_host_args --with-gnu-as" 2412fi 2413 2414if test x${use_gnu_ld} = x && 2415 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then 2416 with_gnu_ld=yes 2417 extra_host_args="$extra_host_args --with-gnu-ld" 2418fi 2419 2420if test x${use_included_zlib} = x && 2421 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then 2422 : 2423else 2424 with_system_zlib=yes 2425 extra_host_args="$extra_host_args --with-system-zlib" 2426fi 2427 2428# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure 2429# can detect this case. 2430 2431if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then 2432 with_newlib=yes 2433 extra_host_args="$extra_host_args --with-newlib" 2434fi 2435 2436# Handle ${copy_dirs} 2437set fnord ${copy_dirs} 2438shift 2439while test $# != 0 ; do 2440 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then 2441 : 2442 else 2443 echo Copying $1 to $2 2444 2445 # Use the install script to create the directory and all required 2446 # parent directories. 2447 if test -d $2 ; then 2448 : 2449 else 2450 echo >config.temp 2451 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED 2452 fi 2453 2454 # Copy the directory, assuming we have tar. 2455 # FIXME: Should we use B in the second tar? Not all systems support it. 2456 (cd $1; tar -cf - .) | (cd $2; tar -xpf -) 2457 2458 # It is the responsibility of the user to correctly adjust all 2459 # symlinks. If somebody can figure out how to handle them correctly 2460 # here, feel free to add the code. 2461 2462 echo $1 > $2/COPIED 2463 fi 2464 shift; shift 2465done 2466 2467# Determine a target-dependent exec_prefix that the installed 2468# gcc will search in. Keep this list sorted by triplet, with 2469# the *-*-osname triplets last. 2470md_exec_prefix= 2471case "${target}" in 2472 i[[34567]]86-pc-msdosdjgpp*) 2473 md_exec_prefix=/dev/env/DJDIR/bin 2474 ;; 2475 *-*-hpux* | \ 2476 *-*-nto-qnx* | \ 2477 *-*-solaris2*) 2478 md_exec_prefix=/usr/ccs/bin 2479 ;; 2480esac 2481 2482extra_arflags_for_target= 2483extra_nmflags_for_target= 2484extra_ranlibflags_for_target= 2485target_makefile_frag=/dev/null 2486case "${target}" in 2487 spu-*-*) 2488 target_makefile_frag="config/mt-spu" 2489 ;; 2490 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*) 2491 target_makefile_frag="config/mt-sde" 2492 ;; 2493 mipsisa*-*-elfoabi*) 2494 target_makefile_frag="config/mt-mips-elfoabi" 2495 ;; 2496 mips*-*-*linux* | mips*-*-gnu*) 2497 target_makefile_frag="config/mt-mips-gnu" 2498 ;; 2499 nios2-*-elf*) 2500 target_makefile_frag="config/mt-nios2-elf" 2501 ;; 2502 *-*-linux-android*) 2503 target_makefile_frag="config/mt-android" 2504 ;; 2505 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 2506 target_makefile_frag="config/mt-gnu" 2507 ;; 2508 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*) 2509 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm 2510 # commands to handle both 32-bit and 64-bit objects. These flags are 2511 # harmless if we're using GNU nm or ar. 2512 extra_arflags_for_target=" -X32_64" 2513 extra_nmflags_for_target=" -B -X32_64" 2514 ;; 2515esac 2516 2517alphaieee_frag=/dev/null 2518case $target in 2519 alpha*-*-*) 2520 # This just makes sure to use the -mieee option to build target libs. 2521 # This should probably be set individually by each library. 2522 alphaieee_frag="config/mt-alphaieee" 2523 ;; 2524esac 2525 2526# If --enable-target-optspace always use -Os instead of -O2 to build 2527# the target libraries, similarly if it is not specified, use -Os 2528# on selected platforms. 2529ospace_frag=/dev/null 2530case "${enable_target_optspace}:${target}" in 2531 yes:*) 2532 ospace_frag="config/mt-ospace" 2533 ;; 2534 :d30v-*) 2535 ospace_frag="config/mt-d30v" 2536 ;; 2537 :m32r-* | :d10v-* | :fr30-* | :i?86*-*-elfiamcu) 2538 ospace_frag="config/mt-ospace" 2539 ;; 2540 no:* | :*) 2541 ;; 2542 *) 2543 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2 2544 ;; 2545esac 2546 2547# Some systems (e.g., one of the i386-aix systems the gas testers are 2548# using) don't handle "\$" correctly, so don't use it here. 2549tooldir='${exec_prefix}'/${target_noncanonical} 2550build_tooldir=${tooldir} 2551 2552# Create a .gdbinit file which runs the one in srcdir 2553# and tells GDB to look there for source files. 2554 2555if test -r ${srcdir}/.gdbinit ; then 2556 case ${srcdir} in 2557 .) ;; 2558 *) cat > ./.gdbinit <<EOF 2559# ${NO_EDIT} 2560dir ${srcdir} 2561dir . 2562source ${srcdir}/.gdbinit 2563EOF 2564 ;; 2565 esac 2566fi 2567 2568# Make sure that the compiler is able to generate an executable. If it 2569# can't, we are probably in trouble. We don't care whether we can run the 2570# executable--we might be using a cross compiler--we only care whether it 2571# can be created. At this point the main configure script has set CC. 2572we_are_ok=no 2573echo "int main () { return 0; }" > conftest.c 2574${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c 2575if test $? = 0 ; then 2576 if test -s conftest || test -s conftest.exe ; then 2577 we_are_ok=yes 2578 fi 2579fi 2580case $we_are_ok in 2581 no) 2582 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed." 2583 echo 1>&2 "*** You must set the environment variable CC to a working compiler." 2584 rm -f conftest* 2585 exit 1 2586 ;; 2587esac 2588rm -f conftest* 2589 2590# Decide which environment variable is used to find dynamic libraries. 2591case "${host}" in 2592 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;; 2593 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;; 2594 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;; 2595 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;; 2596esac 2597 2598# On systems where the dynamic library environment variable is PATH, 2599# gcc/ will put dynamic libraries into a subdirectory to avoid adding 2600# built executables to PATH. 2601if test "$RPATH_ENVVAR" = PATH; then 2602 GCC_SHLIB_SUBDIR=/shlib 2603else 2604 GCC_SHLIB_SUBDIR= 2605fi 2606 2607# Adjust the toplevel makefile according to whether bootstrap was selected. 2608case $enable_bootstrap in 2609 yes) 2610 bootstrap_suffix=bootstrap 2611 BUILD_CONFIG=bootstrap-debug 2612 ;; 2613 no) 2614 bootstrap_suffix=no-bootstrap 2615 BUILD_CONFIG= 2616 ;; 2617esac 2618 2619AC_MSG_CHECKING(for default BUILD_CONFIG) 2620 2621AC_ARG_WITH([build-config], 2622 [AS_HELP_STRING([--with-build-config='NAME NAME2...'], 2623 [use config/NAME.mk build configuration])], 2624 [case $with_build_config in 2625 yes) with_build_config= ;; 2626 no) with_build_config= BUILD_CONFIG= ;; 2627 esac]) 2628 2629if test "x${with_build_config}" != x; then 2630 BUILD_CONFIG=$with_build_config 2631else 2632 case $BUILD_CONFIG in 2633 bootstrap-debug) 2634 if echo "int f (void) { return 0; }" > conftest.c && 2635 ${CC} -c conftest.c && 2636 mv conftest.o conftest.o.g0 && 2637 ${CC} -c -g conftest.c && 2638 mv conftest.o conftest.o.g && 2639 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then 2640 : 2641 else 2642 BUILD_CONFIG= 2643 fi 2644 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g 2645 ;; 2646 esac 2647fi 2648AC_MSG_RESULT($BUILD_CONFIG) 2649AC_SUBST(BUILD_CONFIG) 2650 2651# Use same top-level configure hooks in libgcc/libstdc++/libvtv. 2652AC_MSG_CHECKING([for --enable-vtable-verify]) 2653AC_ARG_ENABLE(vtable-verify, 2654[AS_HELP_STRING([--enable-vtable-verify], 2655 [Enable vtable verification feature])], 2656[case "$enableval" in 2657 yes) enable_vtable_verify=yes ;; 2658 no) enable_vtable_verify=no ;; 2659 *) enable_vtable_verify=no;; 2660 esac], 2661[enable_vtable_verify=no]) 2662AC_MSG_RESULT($enable_vtable_verify) 2663 2664# Record target_configdirs and the configure arguments for target and 2665# build configuration in Makefile. 2666target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'` 2667build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'` 2668bootstrap_fixincludes=no 2669 2670# If we are building libgomp, bootstrap it. 2671if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then 2672 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp, 2673fi 2674 2675# If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan 2676# or bootstrap-ubsan, bootstrap it. 2677if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then 2678 case "$BUILD_CONFIG" in 2679 *bootstrap-asan* | *bootstrap-ubsan* ) 2680 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer, 2681 bootstrap_fixincludes=yes 2682 ;; 2683 esac 2684fi 2685 2686# If we are building libvtv and --enable-vtable-verify, bootstrap it. 2687if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 && 2688 test "$enable_vtable_verify" != no; then 2689 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv, 2690fi 2691 2692# If we are building libmpx and $BUILD_CONFIG contains bootstrap-mpx, 2693# bootstrap it. 2694if echo " ${target_configdirs} " | grep " libmpx " > /dev/null 2>&1; then 2695 case "$BUILD_CONFIG" in 2696 *bootstrap-mpx* ) 2697 bootstrap_target_libs=${bootstrap_target_libs}target-libmpx, 2698 ;; 2699 esac 2700fi 2701 2702# Determine whether gdb needs tk/tcl or not. 2703# Use 'maybe' since enable_gdbtk might be true even if tk isn't available 2704# and in that case we want gdb to be built without tk. Ugh! 2705# In fact I believe gdb is the *only* package directly dependent on tk, 2706# so we should be able to put the 'maybe's in unconditionally and 2707# leave out the maybe dependencies when enable_gdbtk is false. I'm not 2708# 100% sure that that's safe though. 2709 2710gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui" 2711case "$enable_gdbtk" in 2712 no) 2713 GDB_TK="" ;; 2714 yes) 2715 GDB_TK="${gdb_tk}" ;; 2716 *) 2717 # Only add the dependency on gdbtk when GDBtk is part of the gdb 2718 # distro. Eventually someone will fix this and move Insight, nee 2719 # gdbtk to a separate directory. 2720 if test -d ${srcdir}/gdb/gdbtk ; then 2721 GDB_TK="${gdb_tk}" 2722 else 2723 GDB_TK="" 2724 fi 2725 ;; 2726esac 2727CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g` 2728INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g` 2729 2730# Strip out unwanted targets. 2731 2732# While at that, we remove Makefiles if we were started for recursive 2733# configuration, so that the top-level Makefile reconfigures them, 2734# like we used to do when configure itself was recursive. 2735 2736# Loop over modules. We used to use the "$extrasub" feature from Autoconf 2737# but now we're fixing up the Makefile ourselves with the additional 2738# commands passed to AC_CONFIG_FILES. Use separate variables 2739# extrasub-{build,host,target} not because there is any reason to split 2740# the substitutions up that way, but only to remain below the limit of 2741# 99 commands in a script, for HP-UX sed. 2742# Do not nest @if/@endif pairs, because configure will not warn you at all. 2743 2744case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in 2745 yes:yes:*\ gold\ *:*,c++,*) ;; 2746 yes:yes:*\ gold\ *:*) 2747 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages]) 2748 ;; 2749esac 2750 2751extrasub_build= 2752for module in ${build_configdirs} ; do 2753 if test -z "${no_recursion}" \ 2754 && test -f ${build_subdir}/${module}/Makefile; then 2755 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure" 2756 rm -f ${build_subdir}/${module}/Makefile 2757 fi 2758 extrasub_build="$extrasub_build 2759/^@if build-$module\$/d 2760/^@endif build-$module\$/d 2761/^@if build-$module-$bootstrap_suffix\$/d 2762/^@endif build-$module-$bootstrap_suffix\$/d" 2763done 2764extrasub_host= 2765for module in ${configdirs} ; do 2766 if test -z "${no_recursion}"; then 2767 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do 2768 if test -f ${file}; then 2769 echo 1>&2 "*** removing ${file} to force reconfigure" 2770 rm -f ${file} 2771 fi 2772 done 2773 fi 2774 case ${module},${bootstrap_fixincludes} in 2775 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;; 2776 *) host_bootstrap_suffix=$bootstrap_suffix ;; 2777 esac 2778 extrasub_host="$extrasub_host 2779/^@if $module\$/d 2780/^@endif $module\$/d 2781/^@if $module-$host_bootstrap_suffix\$/d 2782/^@endif $module-$host_bootstrap_suffix\$/d" 2783done 2784extrasub_target= 2785for module in ${target_configdirs} ; do 2786 if test -z "${no_recursion}" \ 2787 && test -f ${target_subdir}/${module}/Makefile; then 2788 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure" 2789 rm -f ${target_subdir}/${module}/Makefile 2790 fi 2791 2792 # We only bootstrap target libraries listed in bootstrap_target_libs. 2793 case $bootstrap_target_libs in 2794 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;; 2795 *) target_bootstrap_suffix=no-bootstrap ;; 2796 esac 2797 2798 extrasub_target="$extrasub_target 2799/^@if target-$module\$/d 2800/^@endif target-$module\$/d 2801/^@if target-$module-$target_bootstrap_suffix\$/d 2802/^@endif target-$module-$target_bootstrap_suffix\$/d" 2803done 2804 2805# Do the final fixup along with target modules. 2806extrasub_target="$extrasub_target 2807/^@if /,/^@endif /d" 2808 2809# Create the serialization dependencies. This uses a temporary file. 2810 2811AC_ARG_ENABLE([serial-configure], 2812[AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]], 2813 [force sequential configuration of 2814 sub-packages for the host, target or build 2815 machine, or all sub-packages])]) 2816 2817case ${enable_serial_configure} in 2818 yes) 2819 enable_serial_build_configure=yes 2820 enable_serial_host_configure=yes 2821 enable_serial_target_configure=yes 2822 ;; 2823esac 2824 2825# These force 'configure's to be done one at a time, to avoid problems 2826# with contention over a shared config.cache. 2827rm -f serdep.tmp 2828echo '# serdep.tmp' > serdep.tmp 2829olditem= 2830test "x${enable_serial_build_configure}" = xyes && 2831for item in ${build_configdirs} ; do 2832 case ${olditem} in 2833 "") ;; 2834 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;; 2835 esac 2836 olditem=${item} 2837done 2838olditem= 2839test "x${enable_serial_host_configure}" = xyes && 2840for item in ${configdirs} ; do 2841 case ${olditem} in 2842 "") ;; 2843 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;; 2844 esac 2845 olditem=${item} 2846done 2847olditem= 2848test "x${enable_serial_target_configure}" = xyes && 2849for item in ${target_configdirs} ; do 2850 case ${olditem} in 2851 "") ;; 2852 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;; 2853 esac 2854 olditem=${item} 2855done 2856serialization_dependencies=serdep.tmp 2857AC_SUBST_FILE(serialization_dependencies) 2858 2859# Base args. Strip norecursion, cache-file, srcdir, host, build, 2860# target, nonopt, and variable assignments. These are the ones we 2861# might not want to pass down to subconfigures. The exception being 2862# --cache-file=/dev/null, which is used to turn off the use of cache 2863# files altogether, and which should be passed on to subconfigures. 2864# Also strip program-prefix, program-suffix, and program-transform-name, 2865# so that we can pass down a consistent program-transform-name. 2866baseargs= 2867tbaseargs= 2868keep_next=no 2869skip_next=no 2870eval "set -- $ac_configure_args" 2871for ac_arg 2872do 2873 if test X"$skip_next" = X"yes"; then 2874 skip_next=no 2875 continue 2876 fi 2877 if test X"$keep_next" = X"yes"; then 2878 case $ac_arg in 2879 *\'*) 2880 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; 2881 esac 2882 baseargs="$baseargs '$ac_arg'" 2883 tbaseargs="$tbaseargs '$ac_arg'" 2884 keep_next=no 2885 continue 2886 fi 2887 2888 # Handle separated arguments. Based on the logic generated by 2889 # autoconf 2.59. 2890 case $ac_arg in 2891 *=* | --config-cache | -C | -disable-* | --disable-* \ 2892 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \ 2893 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \ 2894 | -with-* | --with-* | -without-* | --without-* | --x) 2895 separate_arg=no 2896 ;; 2897 -*) 2898 separate_arg=yes 2899 ;; 2900 *) 2901 separate_arg=no 2902 ;; 2903 esac 2904 2905 skip_targ=no 2906 case $ac_arg in 2907changequote(,) 2908 --with-* | --without-*) 2909 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'` 2910 2911 case $libopt in 2912 *[-_]include) 2913 lib=`echo "$libopt" | sed 's,[-_]include$,,'` 2914 ;; 2915 *[-_]lib) 2916 lib=`echo "$libopt" | sed 's,[-_]lib$,,'` 2917 ;; 2918 *) 2919 lib=$libopt 2920 ;; 2921 esac 2922changequote([,]) 2923 2924 case $lib in 2925 mpc | mpfr | gmp | isl) 2926 # If we're processing --with-$lib, --with-$lib-include or 2927 # --with-$lib-lib, for one of the libs above, and target is 2928 # different from host, don't pass the current argument to any 2929 # target library's configure. 2930 if test x$is_cross_compiler = xyes; then 2931 skip_targ=yes 2932 fi 2933 ;; 2934 esac 2935 ;; 2936 esac 2937 2938 case "$ac_arg" in 2939 --cache-file=/dev/null | \ 2940 -cache-file=/dev/null ) 2941 # Handled here to avoid the test to skip args below. 2942 baseargs="$baseargs '$ac_arg'" 2943 tbaseargs="$tbaseargs '$ac_arg'" 2944 # Assert: $separate_arg should always be no. 2945 keep_next=$separate_arg 2946 ;; 2947 --no*) 2948 continue 2949 ;; 2950 --c* | \ 2951 --sr* | \ 2952 --ho* | \ 2953 --bu* | \ 2954 --t* | \ 2955 --program-* | \ 2956 -cache_file* | \ 2957 -srcdir* | \ 2958 -host* | \ 2959 -build* | \ 2960 -target* | \ 2961 -program-prefix* | \ 2962 -program-suffix* | \ 2963 -program-transform-name* ) 2964 skip_next=$separate_arg 2965 continue 2966 ;; 2967 -*) 2968 # An option. Add it. 2969 case $ac_arg in 2970 *\'*) 2971 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; 2972 esac 2973 baseargs="$baseargs '$ac_arg'" 2974 if test X"$skip_targ" = Xno; then 2975 tbaseargs="$tbaseargs '$ac_arg'" 2976 fi 2977 keep_next=$separate_arg 2978 ;; 2979 *) 2980 # Either a variable assignment, or a nonopt (triplet). Don't 2981 # pass it down; let the Makefile handle this. 2982 continue 2983 ;; 2984 esac 2985done 2986# Remove the initial space we just introduced and, as these will be 2987# expanded by make, quote '$'. 2988baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'` 2989 2990# Add in --program-transform-name, after --program-prefix and 2991# --program-suffix have been applied to it. Autoconf has already 2992# doubled dollar signs and backslashes in program_transform_name; we want 2993# the backslashes un-doubled, and then the entire thing wrapped in single 2994# quotes, because this will be expanded first by make and then by the shell. 2995# Also, because we want to override the logic in subdir configure scripts to 2996# choose program_transform_name, replace any s,x,x, with s,y,y,. 2997sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out 2998${program_transform_name} 2999EOF_SED 3000gcc_transform_name=`cat conftestsed.out` 3001rm -f conftestsed.out 3002baseargs="$baseargs --program-transform-name='${gcc_transform_name}'" 3003tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'" 3004if test "$silent" = yes; then 3005 baseargs="$baseargs --silent" 3006 tbaseargs="$tbaseargs --silent" 3007fi 3008baseargs="$baseargs --disable-option-checking" 3009tbaseargs="$tbaseargs --disable-option-checking" 3010 3011# Record and document user additions to sub configure arguments. 3012AC_ARG_VAR([build_configargs], 3013 [additional configure arguments for build directories]) 3014AC_ARG_VAR([host_configargs], 3015 [additional configure arguments for host directories]) 3016AC_ARG_VAR([target_configargs], 3017 [additional configure arguments for target directories]) 3018 3019# For the build-side libraries, we just need to pretend we're native, 3020# and not use the same cache file. Multilibs are neither needed nor 3021# desired. We can't even use the same cache file for all build-side 3022# libraries, as they're compiled differently; some with C, some with 3023# C++ or with different feature-enabling options. 3024build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}" 3025 3026# For host modules, accept cache file option, or specification as blank. 3027case "${cache_file}" in 3028"") # empty 3029 cache_file_option="" ;; 3030/* | [[A-Za-z]]:[[\\/]]* ) # absolute path 3031 cache_file_option="--cache-file=${cache_file}" ;; 3032*) # relative path 3033 cache_file_option="--cache-file=../${cache_file}" ;; 3034esac 3035 3036# Host dirs don't like to share a cache file either, horribly enough. 3037# This seems to be due to autoconf 2.5x stupidity. 3038host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}" 3039 3040target_configargs="$target_configargs ${tbaseargs}" 3041 3042# Passing a --with-cross-host argument lets the target libraries know 3043# whether they are being built with a cross-compiler or being built 3044# native. However, it would be better to use other mechanisms to make the 3045# sorts of decisions they want to make on this basis. Please consider 3046# this option to be deprecated. FIXME. 3047if test x${is_cross_compiler} = xyes ; then 3048 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}" 3049fi 3050 3051# Special user-friendly check for native x86_64-linux build, if 3052# multilib is not explicitly enabled. 3053case "$target:$have_compiler:$host:$target:$enable_multilib" in 3054 x86_64-*linux*:yes:$build:$build:) 3055 # Make sure we have a development environment that handles 32-bit 3056 dev64=no 3057 echo "int main () { return 0; }" > conftest.c 3058 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c 3059 if test $? = 0 ; then 3060 if test -s conftest || test -s conftest.exe ; then 3061 dev64=yes 3062 fi 3063 fi 3064 rm -f conftest* 3065 if test x${dev64} != xyes ; then 3066 AC_MSG_ERROR([I suspect your system does not have 32-bit development libraries (libc and headers). If you have them, rerun configure with --enable-multilib. If you do not have them, and want to build a 64-bit-only compiler, rerun configure with --disable-multilib.]) 3067 fi 3068 ;; 3069esac 3070 3071# Default to --enable-multilib. 3072if test x${enable_multilib} = x ; then 3073 target_configargs="--enable-multilib ${target_configargs}" 3074fi 3075 3076# Pass --with-newlib if appropriate. Note that target_configdirs has 3077# changed from the earlier setting of with_newlib. 3078if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then 3079 target_configargs="--with-newlib ${target_configargs}" 3080fi 3081 3082# Different target subdirs use different values of certain variables 3083# (notably CXX). Worse, multilibs use *lots* of different values. 3084# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that 3085# it doesn't automatically accept command-line overrides of them. 3086# This means it's not safe for target subdirs to share a cache file, 3087# which is disgusting, but there you have it. Hopefully this can be 3088# fixed in future. It's still worthwhile to use a cache file for each 3089# directory. I think. 3090 3091# Pass the appropriate --build, --host, --target and --cache-file arguments. 3092# We need to pass --target, as newer autoconf's requires consistency 3093# for target_alias and gcc doesn't manage it consistently. 3094target_configargs="--cache-file=./config.cache ${target_configargs}" 3095 3096FLAGS_FOR_TARGET= 3097case " $target_configdirs " in 3098 *" newlib "*) 3099 case " $target_configargs " in 3100 *" --with-newlib "*) 3101 case "$target" in 3102 *-cygwin*) 3103 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include' 3104 ;; 3105 esac 3106 3107 # If we're not building GCC, don't discard standard headers. 3108 if test -d ${srcdir}/gcc; then 3109 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc' 3110 3111 if test "${build}" != "${host}"; then 3112 # On Canadian crosses, CC_FOR_TARGET will have already been set 3113 # by `configure', so we won't have an opportunity to add -Bgcc/ 3114 # to it. This is right: we don't want to search that directory 3115 # for binaries, but we want the header files in there, so add 3116 # them explicitly. 3117 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed' 3118 3119 # Someone might think of using the pre-installed headers on 3120 # Canadian crosses, in case the installed compiler is not fully 3121 # compatible with the compiler being built. In this case, it 3122 # would be better to flag an error than risking having 3123 # incompatible object files being constructed. We can't 3124 # guarantee that an error will be flagged, but let's hope the 3125 # compiler will do it, when presented with incompatible header 3126 # files. 3127 fi 3128 fi 3129 3130 case "${target}-${is_cross_compiler}" in 3131 i[[3456789]]86-*-linux*-no) 3132 # Here host == target, so we don't need to build gcc, 3133 # so we don't want to discard standard headers. 3134 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'` 3135 ;; 3136 *) 3137 # If we're building newlib, use its generic headers last, but search 3138 # for any libc-related directories first (so make it the last -B 3139 # switch). 3140 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include' 3141 3142 # If we're building libgloss, find the startup file, simulator library 3143 # and linker script. 3144 case " $target_configdirs " in 3145 *" libgloss "*) 3146 # Look for startup file, simulator library and maybe linker script. 3147 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir" 3148 # Look for libnosys.a in case the target needs it. 3149 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys' 3150 # Most targets have the linker script in the source directory. 3151 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir" 3152 ;; 3153 esac 3154 ;; 3155 esac 3156 ;; 3157 esac 3158 ;; 3159esac 3160 3161case "$target" in 3162 x86_64-*mingw* | *-w64-mingw*) 3163 # MinGW-w64 does not use newlib, nor does it use winsup. It may, 3164 # however, use a symlink named 'mingw' in ${prefix} . 3165 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include' 3166 ;; 3167 *-mingw*) 3168 # MinGW can't be handled as Cygwin above since it does not use newlib. 3169 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include' 3170 ;; 3171esac 3172 3173# Allow the user to override the flags for 3174# our build compiler if desired. 3175if test x"${build}" = x"${host}" ; then 3176 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}} 3177 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}} 3178 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}} 3179fi 3180 3181# On Canadian crosses, we'll be searching the right directories for 3182# the previously-installed cross compiler, so don't bother to add 3183# flags for directories within the install tree of the compiler 3184# being built; programs in there won't even run. 3185if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then 3186 # Search for pre-installed headers if nothing else fits. 3187 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include' 3188fi 3189 3190if test "x${use_gnu_ld}" = x && 3191 echo " ${configdirs} " | grep " ld " > /dev/null ; then 3192 # Arrange for us to find uninstalled linker scripts. 3193 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld' 3194fi 3195 3196# Search for other target-specific linker scripts and such. 3197case "${target}" in 3198 mep*) 3199 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary" 3200 ;; 3201esac 3202 3203# Makefile fragments. 3204for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag; 3205do 3206 eval fragval=\$$frag 3207 if test $fragval != /dev/null; then 3208 eval $frag=${srcdir}/$fragval 3209 fi 3210done 3211AC_SUBST_FILE(host_makefile_frag) 3212AC_SUBST_FILE(target_makefile_frag) 3213AC_SUBST_FILE(alphaieee_frag) 3214AC_SUBST_FILE(ospace_frag) 3215 3216# Miscellanea: directories, flags, etc. 3217AC_SUBST(RPATH_ENVVAR) 3218AC_SUBST(GCC_SHLIB_SUBDIR) 3219AC_SUBST(tooldir) 3220AC_SUBST(build_tooldir) 3221AC_SUBST(CONFIGURE_GDB_TK) 3222AC_SUBST(GDB_TK) 3223AC_SUBST(INSTALL_GDB_TK) 3224 3225# Build module lists & subconfigure args. 3226AC_SUBST(build_configargs) 3227AC_SUBST(build_configdirs) 3228 3229# Host module lists & subconfigure args. 3230AC_SUBST(host_configargs) 3231AC_SUBST(configdirs) 3232AC_SUBST(target_configdirs) 3233 3234# Target module lists & subconfigure args. 3235AC_SUBST(target_configargs) 3236 3237 3238# Build tools. 3239AC_SUBST(AR_FOR_BUILD) 3240AC_SUBST(AS_FOR_BUILD) 3241AC_SUBST(CC_FOR_BUILD) 3242AC_SUBST(CFLAGS_FOR_BUILD) 3243AC_SUBST(CXXFLAGS_FOR_BUILD) 3244AC_SUBST(CXX_FOR_BUILD) 3245AC_SUBST(DLLTOOL_FOR_BUILD) 3246AC_SUBST(GFORTRAN_FOR_BUILD) 3247AC_SUBST(GOC_FOR_BUILD) 3248AC_SUBST(LDFLAGS_FOR_BUILD) 3249AC_SUBST(LD_FOR_BUILD) 3250AC_SUBST(NM_FOR_BUILD) 3251AC_SUBST(RANLIB_FOR_BUILD) 3252AC_SUBST(WINDMC_FOR_BUILD) 3253AC_SUBST(WINDRES_FOR_BUILD) 3254 3255# Generate default definitions for YACC, M4, LEX and other programs that run 3256# on the build machine. These are used if the Makefile can't locate these 3257# programs in objdir. 3258MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing 3259 3260AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y]) 3261case " $build_configdirs " in 3262 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;; 3263esac 3264 3265AC_CHECK_PROGS([BISON], [bison], [$MISSING bison]) 3266case " $build_configdirs " in 3267 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;; 3268esac 3269 3270AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4]) 3271case " $build_configdirs " in 3272 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;; 3273esac 3274 3275AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex]) 3276case " $build_configdirs " in 3277 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;; 3278 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;; 3279esac 3280 3281AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex]) 3282case " $build_configdirs " in 3283 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;; 3284esac 3285 3286AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo]) 3287case " $build_configdirs " in 3288 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;; 3289 *) 3290changequote(,) 3291 # For an installed makeinfo, we require it to be from texinfo 4.7 or 3292 # higher, else we use the "missing" dummy. 3293 if ${MAKEINFO} --version \ 3294 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then 3295 : 3296 else 3297 MAKEINFO="$MISSING makeinfo" 3298 fi 3299 ;; 3300changequote([,]) 3301esac 3302 3303# FIXME: expect and dejagnu may become build tools? 3304 3305AC_CHECK_PROGS(EXPECT, expect, expect) 3306case " $configdirs " in 3307 *" expect "*) 3308 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect' 3309 ;; 3310esac 3311 3312AC_CHECK_PROGS(RUNTEST, runtest, runtest) 3313case " $configdirs " in 3314 *" dejagnu "*) 3315 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest' 3316 ;; 3317esac 3318 3319 3320# Host tools. 3321NCN_STRICT_CHECK_TOOLS(AR, ar) 3322NCN_STRICT_CHECK_TOOLS(AS, as) 3323NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool) 3324NCN_STRICT_CHECK_TOOLS(LD, ld) 3325NCN_STRICT_CHECK_TOOLS(LIPO, lipo) 3326NCN_STRICT_CHECK_TOOLS(NM, nm) 3327NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true) 3328NCN_STRICT_CHECK_TOOLS(STRIP, strip, true) 3329NCN_STRICT_CHECK_TOOLS(WINDRES, windres) 3330NCN_STRICT_CHECK_TOOLS(WINDMC, windmc) 3331NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy) 3332NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump) 3333NCN_STRICT_CHECK_TOOLS(READELF, readelf) 3334AC_SUBST(CC) 3335AC_SUBST(CXX) 3336AC_SUBST(CFLAGS) 3337AC_SUBST(CXXFLAGS) 3338 3339# Target tools. 3340AC_ARG_WITH([build-time-tools], 3341 [AS_HELP_STRING([--with-build-time-tools=PATH], 3342 [use given path to find target tools during the build])], 3343 [case x"$withval" in 3344 x/*) ;; 3345 *) 3346 with_build_time_tools= 3347 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path]) 3348 ;; 3349 esac], 3350 [with_build_time_tools=]) 3351 3352NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc) 3353NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx) 3354NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET}) 3355NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran) 3356NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo) 3357 3358ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar) 3359ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as) 3360ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool) 3361ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld) 3362ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo) 3363ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm) 3364ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy) 3365ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump) 3366ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib) 3367ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf) 3368ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip) 3369ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres) 3370ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc) 3371 3372RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET" 3373 3374GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar]) 3375GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new]) 3376GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) 3377dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS 3378GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX, 3379 [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], 3380 c++) 3381GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX, 3382 [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], 3383 c++) 3384GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool]) 3385GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) 3386GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN, 3387 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran) 3388GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC, 3389 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go) 3390GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new]) 3391GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO) 3392GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new]) 3393GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy]) 3394GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump]) 3395GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib]) 3396GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf]) 3397GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new]) 3398GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres]) 3399GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc]) 3400 3401AC_SUBST(FLAGS_FOR_TARGET) 3402AC_SUBST(RAW_CXX_FOR_TARGET) 3403 3404# Certain tools may need extra flags. 3405AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target} 3406RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target} 3407NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target} 3408 3409# When building target libraries, except in a Canadian cross, we use 3410# the same toolchain as the compiler we just built. 3411COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)' 3412COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)' 3413COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)' 3414if test $host = $build; then 3415 case " $configdirs " in 3416 *" gcc "*) 3417 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as' 3418 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld' 3419 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target} 3420 ;; 3421 esac 3422fi 3423 3424AC_SUBST(COMPILER_AS_FOR_TARGET) 3425AC_SUBST(COMPILER_LD_FOR_TARGET) 3426AC_SUBST(COMPILER_NM_FOR_TARGET) 3427 3428AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) 3429AC_ARG_ENABLE(maintainer-mode, 3430[AS_HELP_STRING([--enable-maintainer-mode], 3431 [enable make rules and dependencies not useful 3432 (and sometimes confusing) to the casual installer])], 3433 USE_MAINTAINER_MODE=$enableval, 3434 USE_MAINTAINER_MODE=no) 3435AC_MSG_RESULT($USE_MAINTAINER_MODE) 3436AC_SUBST(MAINTAINER_MODE_TRUE) 3437AC_SUBST(MAINTAINER_MODE_FALSE) 3438if test "$USE_MAINTAINER_MODE" = yes; then 3439 MAINTAINER_MODE_TRUE= 3440 MAINTAINER_MODE_FALSE='#' 3441else 3442 MAINTAINER_MODE_TRUE='#' 3443 MAINTAINER_MODE_FALSE= 3444fi 3445MAINT=$MAINTAINER_MODE_TRUE 3446AC_SUBST(MAINT)dnl 3447 3448# --------------------- 3449# GCC bootstrap support 3450# --------------------- 3451 3452# Stage specific cflags for build. 3453stage1_cflags="-g" 3454case $build in 3455 vax-*-*) 3456 case ${GCC} in 3457 yes) stage1_cflags="-g -Wa,-J" ;; 3458 *) stage1_cflags="-g -J" ;; 3459 esac ;; 3460esac 3461 3462AC_SUBST(stage1_cflags) 3463 3464# Enable --enable-checking in stage1 of the compiler. 3465AC_ARG_ENABLE(stage1-checking, 3466[AS_HELP_STRING([[--enable-stage1-checking[=all]]], 3467 [choose additional checking for stage1 of the compiler])], 3468[stage1_checking=--enable-checking=${enable_stage1_checking}], 3469[if test "x$enable_checking" = xno || test "x$enable_checking" = x; then 3470 # For --disable-checking or implicit --enable-checking=release, avoid 3471 # setting --enable-checking=gc in the default stage1 checking for LTO 3472 # bootstraps. See PR62077. 3473 case $BUILD_CONFIG in 3474 *lto*) 3475 stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types;; 3476 *) 3477 stage1_checking=--enable-checking=yes,types;; 3478 esac 3479 if test "x$enable_checking" = x && \ 3480 test -d ${srcdir}/gcc && \ 3481 test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then 3482 stage1_checking=--enable-checking=yes,types,extra 3483 fi 3484else 3485 stage1_checking=--enable-checking=$enable_checking,types 3486fi]) 3487AC_SUBST(stage1_checking) 3488 3489# Enable -Werror in bootstrap stage2 and later. 3490AC_ARG_ENABLE(werror, 3491[AS_HELP_STRING([--enable-werror], 3492 [enable -Werror in bootstrap stage2 and later])], 3493[ 3494case ${enable_werror} in 3495 yes) stage2_werror_flag="--enable-werror-always" ;; 3496 *) stage2_werror_flag="" ;; 3497esac 3498], 3499[ 3500if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then 3501 case $BUILD_CONFIG in 3502 bootstrap-debug) 3503 stage2_werror_flag="--enable-werror-always" ;; 3504 "") 3505 stage2_werror_flag="--enable-werror-always" ;; 3506 esac 3507fi 3508]) 3509 3510AC_SUBST(stage2_werror_flag) 3511 3512# Specify what files to not compare during bootstrap. 3513 3514compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*" 3515case "$target" in 3516 hppa*64*-*-hpux*) ;; 3517 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/* | gcc/function-tests.o" ;; 3518 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;; 3519esac 3520AC_SUBST(compare_exclusions) 3521 3522AC_CONFIG_FILES([Makefile], 3523 [sed "$extrasub_build" Makefile | 3524 sed "$extrasub_host" | 3525 sed "$extrasub_target" > mf$$ 3526 mv -f mf$$ Makefile], 3527 [extrasub_build="$extrasub_build" 3528 extrasub_host="$extrasub_host" 3529 extrasub_target="$extrasub_target"]) 3530AC_OUTPUT 3531