configure.ac revision 1.11
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_DISABLE_OPTION_CHECKING 35 36progname=$0 37# if PWD already has a value, it is probably wrong. 38if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi 39 40# Export original configure arguments for use by sub-configures. 41# Quote arguments with shell meta charatcers. 42TOPLEVEL_CONFIGURE_ARGUMENTS= 43set -- "$progname" "$@" 44for ac_arg 45do 46 case "$ac_arg" in 47 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*) 48 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` 49 # if the argument is of the form -foo=baz, quote the baz part only 50 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;; 51 *) ;; 52 esac 53 # Add the quoted argument to the list. 54 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg" 55done 56if test "$silent" = yes; then 57 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent" 58fi 59# Remove the initial space we just introduced and, as these will be 60# expanded by make, quote '$'. 61TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'` 62AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS) 63 64# Find the build, host, and target systems. 65ACX_NONCANONICAL_BUILD 66ACX_NONCANONICAL_HOST 67ACX_NONCANONICAL_TARGET 68 69dnl Autoconf 2.5x and later will set a default program prefix if 70dnl --target was used, even if it was the same as --host. Disable 71dnl that behavior. This must be done before AC_CANONICAL_SYSTEM 72dnl to take effect. 73test "$host_noncanonical" = "$target_noncanonical" && 74 test "$program_prefix$program_suffix$program_transform_name" = \ 75 NONENONEs,x,x, && 76 program_transform_name=s,y,y, 77 78AC_CANONICAL_SYSTEM 79AC_ARG_PROGRAM 80 81m4_pattern_allow([^AS_FOR_TARGET$])dnl 82m4_pattern_allow([^AS_FOR_BUILD$])dnl 83 84# Get 'install' or 'install-sh' and its variants. 85AC_PROG_INSTALL 86ACX_PROG_LN 87AC_PROG_LN_S 88AC_PROG_SED 89AC_PROG_AWK 90 91srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}` 92 93# We pass INSTALL explicitly to sub-makes. Make sure that it is not 94# a relative path. 95if test "$INSTALL" = "${srcdir}/install-sh -c"; then 96 INSTALL="${srcpwd}/install-sh -c" 97fi 98 99# Set srcdir to "." if that's what it is. 100# This is important for multilib support. 101pwd=`${PWDCMD-pwd}` 102if test "${pwd}" = "${srcpwd}" ; then 103 srcdir=. 104fi 105 106topsrcdir=$srcpwd 107 108extra_host_args= 109 110### To add a new directory to the tree, first choose whether it is a target 111### or a host dependent tool. Then put it into the appropriate list 112### (library or tools, host or target), doing a dependency sort. 113 114# Subdirs will be configured in the order listed in build_configdirs, 115# configdirs, or target_configdirs; see the serialization section below. 116 117# Dependency sorting is only needed when *configuration* must be done in 118# a particular order. In all cases a dependency should be specified in 119# the Makefile, whether or not it's implicitly specified here. 120 121# Double entries in build_configdirs, configdirs, or target_configdirs may 122# cause circular dependencies and break everything horribly. 123 124# these library is used by various programs built for the build 125# environment 126# 127build_libs="build-libiberty build-libcpp" 128 129# these tools are built for the build environment 130build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes" 131 132# these libraries are used by various programs built for the host environment 133#f 134host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl libelf libiconv" 135 136# these tools are built for the host environment 137# Note, the powerpc-eabi build depends on sim occurring before gdb in order to 138# know that we are building the simulator. 139# binutils, gas and ld appear in that order because it makes sense to run 140# "make check" in that particular order. 141# If --enable-gold is used, "gold" may replace "ld". 142host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gprof etc expect dejagnu m4 utils guile fastjar gnattools libcc1 gotools" 143 144# these libraries are built for the target environment, and are built after 145# the host libraries and the host tools (which may be a cross compiler) 146# Note that libiberty is not a target library. 147target_libraries="target-libgcc \ 148 target-libbacktrace \ 149 target-libgloss \ 150 target-newlib \ 151 target-libgomp \ 152 target-liboffloadmic \ 153 target-libhsail-rt \ 154 target-libatomic \ 155 target-libitm \ 156 target-libstdc++-v3 \ 157 target-libsanitizer \ 158 target-libvtv \ 159 target-libssp \ 160 target-libquadmath \ 161 target-libgfortran \ 162 target-libffi \ 163 target-libobjc \ 164 target-libada \ 165 target-libgo \ 166 target-libphobos \ 167 target-zlib" 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# Disable libhsail-rt on unsupported systems. 605if test -d ${srcdir}/libhsail-rt; then 606 if test x$enable_libhsail_rt = x; then 607 AC_MSG_CHECKING([for libhsail-rt support]) 608 if (srcdir=${srcdir}/libhsail-rt; \ 609 . ${srcdir}/configure.tgt; \ 610 test -n "$UNSUPPORTED") 611 then 612 AC_MSG_RESULT([no]) 613 unsupported_languages="$unsupported_languages brig" 614 # This implicitly disables also target-libhsail-rt as it won't 615 # get added to the build without BRIG FE. 616 else 617 AC_MSG_RESULT([yes]) 618 fi 619 fi 620fi 621 622 623# Disable libquadmath for some systems. 624case "${target}" in 625 avr-*-*) 626 noconfigdirs="$noconfigdirs target-libquadmath" 627 ;; 628 # libquadmath is unused on AIX and libquadmath build process use of 629 # LD_LIBRARY_PATH can break AIX bootstrap. 630 powerpc-*-aix* | rs6000-*-aix*) 631 noconfigdirs="$noconfigdirs target-libquadmath" 632 ;; 633esac 634 635# Disable libssp for some systems. 636case "${target}" in 637 avr-*-*) 638 # No hosted I/O support. 639 noconfigdirs="$noconfigdirs target-libssp" 640 ;; 641 powerpc-*-aix* | rs6000-*-aix*) 642 noconfigdirs="$noconfigdirs target-libssp" 643 ;; 644 rl78-*-*) 645 # libssp uses a misaligned load to trigger a fault, but the RL78 646 # doesn't fault for those - instead, it gives a build-time error 647 # for explicit misaligned loads. 648 noconfigdirs="$noconfigdirs target-libssp" 649 ;; 650 visium-*-*) 651 # No hosted I/O support. 652 noconfigdirs="$noconfigdirs target-libssp" 653 ;; 654esac 655 656# Disable libstdc++-v3 for some systems. 657# Allow user to override this if they pass --enable-libstdc++-v3 658if test "${ENABLE_LIBSTDCXX}" = "default" ; then 659 case "${target}" in 660 *-*-vxworks*) 661 # VxWorks uses the Dinkumware C++ library. 662 noconfigdirs="$noconfigdirs target-libstdc++-v3" 663 ;; 664 arm*-wince-pe*) 665 # the C++ libraries don't build on top of CE's C libraries 666 noconfigdirs="$noconfigdirs target-libstdc++-v3" 667 ;; 668 avr-*-*) 669 noconfigdirs="$noconfigdirs target-libstdc++-v3" 670 ;; 671 ft32-*-*) 672 noconfigdirs="$noconfigdirs target-libstdc++-v3" 673 ;; 674 esac 675fi 676 677# Disable D on systems where it is known to not work. 678# For testing, you can override this with --enable-languages=d. 679case ,${enable_languages}, in 680 *,d,*) 681 ;; 682 *) 683 case "${target}" in 684 *-*-darwin*) 685 unsupported_languages="$unsupported_languages d" 686 ;; 687 esac 688 ;; 689esac 690 691# Disable libphobos on unsupported systems. 692# For testing, you can override this with --enable-libphobos. 693if test -d ${srcdir}/libphobos; then 694 if test x$enable_libphobos = x; then 695 AC_MSG_CHECKING([for libphobos support]) 696 if (srcdir=${srcdir}/libphobos; \ 697 . ${srcdir}/configure.tgt; \ 698 test "$LIBPHOBOS_SUPPORTED" != "yes") 699 then 700 AC_MSG_RESULT([no]) 701 noconfigdirs="$noconfigdirs target-libphobos" 702 else 703 AC_MSG_RESULT([yes]) 704 fi 705 fi 706fi 707 708# Disable Fortran for some systems. 709case "${target}" in 710 mmix-*-*) 711 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>. 712 unsupported_languages="$unsupported_languages fortran" 713 ;; 714esac 715 716# Disable libffi for some systems. 717case "${target}" in 718 powerpc-*-darwin*) 719 ;; 720 i[[3456789]]86-*-darwin*) 721 ;; 722 x86_64-*-darwin[[912]]*) 723 ;; 724 *-*-darwin*) 725 noconfigdirs="$noconfigdirs target-libffi" 726 ;; 727 *-*-netware*) 728 noconfigdirs="$noconfigdirs target-libffi" 729 ;; 730 *-*-phoenix*) 731 noconfigdirs="$noconfigdirs target-libffi" 732 ;; 733 *-*-rtems*) 734 noconfigdirs="$noconfigdirs target-libffi" 735 ;; 736 *-*-tpf*) 737 noconfigdirs="$noconfigdirs target-libffi" 738 ;; 739 *-*-uclinux*) 740 noconfigdirs="$noconfigdirs target-libffi" 741 ;; 742 *-*-vxworks*) 743 noconfigdirs="$noconfigdirs target-libffi" 744 ;; 745 aarch64*-*-freebsd*) 746 noconfigdirs="$noconfigdirs target-libffi" 747 ;; 748 alpha*-*-*vms*) 749 noconfigdirs="$noconfigdirs target-libffi" 750 ;; 751 arm*-*-freebsd*) 752 noconfigdirs="$noconfigdirs target-libffi" 753 ;; 754 arm-wince-pe) 755 noconfigdirs="$noconfigdirs target-libffi" 756 ;; 757 arm*-*-symbianelf*) 758 noconfigdirs="$noconfigdirs target-libffi" 759 ;; 760 cris-*-* | crisv32-*-*) 761 case "${target}" in 762 *-*-linux*) 763 ;; 764 *) # See PR46792 regarding target-libffi. 765 noconfigdirs="$noconfigdirs target-libffi";; 766 esac 767 ;; 768 hppa*64*-*-hpux*) 769 noconfigdirs="$noconfigdirs target-libffi" 770 ;; 771 hppa*-hp-hpux11*) 772 ;; 773 hppa*-*-hpux*) 774 noconfigdirs="$noconfigdirs target-libffi" 775 ;; 776 ia64*-*-*vms*) 777 noconfigdirs="$noconfigdirs target-libffi" 778 ;; 779 i[[3456789]]86-w64-mingw*) 780 noconfigdirs="$noconfigdirs target-libffi" 781 ;; 782 i[[3456789]]86-*-mingw*) 783 noconfigdirs="$noconfigdirs target-libffi" 784 ;; 785 x86_64-*-mingw*) 786 noconfigdirs="$noconfigdirs target-libffi" 787 ;; 788 mmix-*-*) 789 noconfigdirs="$noconfigdirs target-libffi" 790 ;; 791 powerpc-*-aix*) 792 ;; 793 rs6000-*-aix*) 794 ;; 795 ft32-*-*) 796 noconfigdirs="$noconfigdirs target-libffi" 797 ;; 798 *-*-lynxos*) 799 noconfigdirs="$noconfigdirs target-libffi" 800 ;; 801esac 802 803# Disable the go frontend on systems where it is known to not work. Please keep 804# this in sync with contrib/config-list.mk. 805case "${target}" in 806*-*-darwin* | *-*-cygwin* | *-*-mingw*) 807 unsupported_languages="$unsupported_languages go" 808 ;; 809esac 810 811# Disable libgo for some systems where it is known to not work. 812# For testing, you can easily override this with --enable-libgo. 813if test x$enable_libgo = x; then 814 case "${target}" in 815 *-*-darwin*) 816 # PR 46986 817 noconfigdirs="$noconfigdirs target-libgo" 818 ;; 819 *-*-cygwin* | *-*-mingw*) 820 noconfigdirs="$noconfigdirs target-libgo" 821 ;; 822 esac 823fi 824 825# Default libgloss CPU subdirectory. 826libgloss_dir="$target_cpu" 827 828case "${target}" in 829 sh*-*-pe|mips*-*-pe|*arm-wince-pe) 830 libgloss_dir=wince 831 ;; 832 aarch64*-*-* ) 833 libgloss_dir=aarch64 834 ;; 835 arm*-*-*) 836 libgloss_dir=arm 837 ;; 838 cris-*-* | crisv32-*-*) 839 libgloss_dir=cris 840 ;; 841 hppa*-*-*) 842 libgloss_dir=pa 843 ;; 844 i[[3456789]]86-*-*) 845 libgloss_dir=i386 846 ;; 847 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*) 848 libgloss_dir=m68hc11 849 ;; 850 m68*-*-* | fido-*-*) 851 libgloss_dir=m68k 852 ;; 853 mips*-*-*) 854 libgloss_dir=mips 855 ;; 856 powerpc*-*-*) 857 libgloss_dir=rs6000 858 ;; 859 sparc*-*-*) 860 libgloss_dir=sparc 861 ;; 862esac 863 864# Disable newlib and libgloss for various target OSes. 865case "${target}" in 866 alpha*-dec-osf*) 867 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 868 ;; 869 i[[3456789]]86-*-linux*) 870 # This section makes it possible to build newlib natively on linux. 871 # If we are using a cross compiler then don't configure newlib. 872 if test x${is_cross_compiler} != xno ; then 873 noconfigdirs="$noconfigdirs target-newlib" 874 fi 875 noconfigdirs="$noconfigdirs target-libgloss" 876 # If we are not using a cross compiler, do configure newlib. 877 # Note however, that newlib will only be configured in this situation 878 # if the --with-newlib option has been given, because otherwise 879 # 'target-newlib' will appear in skipdirs. 880 ;; 881 i[[3456789]]86-*-rdos*) 882 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 883 ;; 884 sh*-*-pe|mips*-*-pe|arm-wince-pe) 885 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 886 ;; 887 sparc-*-sunos4*) 888 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 889 ;; 890 *-*-aix*) 891 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 892 ;; 893 *-*-beos*) 894 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 895 ;; 896 *-*-chorusos) 897 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 898 ;; 899 *-*-dragonfly*) 900 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 901 ;; 902 *-*-freebsd*) 903 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 904 ;; 905 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 906 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 907 ;; 908 *-*-lynxos*) 909 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 910 ;; 911 *-*-mingw*) 912 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 913 ;; 914 *-*-netbsd*) 915 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 916 ;; 917 *-*-netware*) 918 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 919 ;; 920 *-*-tpf*) 921 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 922 ;; 923 *-*-uclinux*) 924 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 925 ;; 926 *-*-vxworks*) 927 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 928 ;; 929esac 930 931case "${target}" in 932 *-*-chorusos) 933 ;; 934 aarch64-*-darwin*) 935 noconfigdirs="$noconfigdirs ld gas gdb gprof" 936 noconfigdirs="$noconfigdirs sim target-rda" 937 ;; 938 amdgcn*-*-*) 939 ;; 940 arm-*-darwin*) 941 noconfigdirs="$noconfigdirs ld gas gdb gprof" 942 noconfigdirs="$noconfigdirs sim target-rda" 943 ;; 944 powerpc-*-darwin*) 945 noconfigdirs="$noconfigdirs ld gas gdb gprof" 946 noconfigdirs="$noconfigdirs sim target-rda" 947 ;; 948 i[[3456789]]86-*-darwin*) 949 noconfigdirs="$noconfigdirs ld gprof" 950 noconfigdirs="$noconfigdirs sim target-rda" 951 ;; 952 x86_64-*-darwin[[912]]*) 953 noconfigdirs="$noconfigdirs ld gas gprof" 954 noconfigdirs="$noconfigdirs sim target-rda" 955 ;; 956 *-*-darwin*) 957 noconfigdirs="$noconfigdirs ld gas gdb gprof" 958 noconfigdirs="$noconfigdirs sim target-rda" 959 ;; 960 *-*-dragonfly*) 961 ;; 962 *-*-freebsd*) 963 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \ 964 && test -f /usr/local/include/gmp.h; then 965 with_gmp=/usr/local 966 fi 967 ;; 968 *-*-kaos*) 969 # Remove unsupported stuff on all kaOS configurations. 970 noconfigdirs="$noconfigdirs target-libgloss" 971 ;; 972 *-*-netbsd*) 973 ;; 974 *-*-netware*) 975 ;; 976 *-*-phoenix*) 977 noconfigdirs="$noconfigdirs target-libgloss" 978 ;; 979 *-*-rtems*) 980 noconfigdirs="$noconfigdirs target-libgloss" 981 ;; 982 # The tpf target doesn't support gdb yet. 983 *-*-tpf*) 984 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl" 985 ;; 986 *-*-uclinux*) 987 noconfigdirs="$noconfigdirs target-rda" 988 ;; 989 *-*-vxworks*) 990 ;; 991 alpha*-dec-osf*) 992 # ld works, but does not support shared libraries. 993 # gas doesn't generate exception information. 994 noconfigdirs="$noconfigdirs gas ld" 995 ;; 996 alpha*-*-*vms*) 997 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss" 998 ;; 999 alpha*-*-*) 1000 # newlib is not 64 bit ready 1001 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1002 ;; 1003 sh*-*-pe|mips*-*-pe|*arm-wince-pe) 1004 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim" 1005 ;; 1006 arc*-*-*) 1007 noconfigdirs="$noconfigdirs sim" 1008 ;; 1009 arm-*-pe*) 1010 noconfigdirs="$noconfigdirs target-libgloss" 1011 ;; 1012 arm-*-riscix*) 1013 noconfigdirs="$noconfigdirs ld target-libgloss" 1014 ;; 1015 avr-*-*) 1016 if test x${with_avrlibc} != xno; then 1017 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1018 fi 1019 ;; 1020 c4x-*-* | tic4x-*-*) 1021 noconfigdirs="$noconfigdirs target-libgloss" 1022 ;; 1023 tic54x-*-*) 1024 noconfigdirs="$noconfigdirs target-libgloss gdb" 1025 ;; 1026 d10v-*-*) 1027 noconfigdirs="$noconfigdirs target-libgloss" 1028 ;; 1029 d30v-*-*) 1030 noconfigdirs="$noconfigdirs gdb" 1031 ;; 1032 fr30-*-elf*) 1033 noconfigdirs="$noconfigdirs gdb" 1034 ;; 1035 ft32-*-*) 1036 noconfigdirs="$noconfigdirs target-rda gprof" 1037 ;; 1038 moxie-*-*) 1039 noconfigdirs="$noconfigdirs" 1040 ;; 1041 h8300*-*-*) 1042 noconfigdirs="$noconfigdirs target-libgloss" 1043 ;; 1044 h8500-*-*) 1045 noconfigdirs="$noconfigdirs target-libgloss" 1046 ;; 1047 hppa1.1-*-osf* | hppa1.1-*-bsd* ) 1048 ;; 1049 hppa*64*-*-hpux*) 1050 noconfigdirs="$noconfigdirs gdb" 1051 ;; 1052 hppa*-*-hpux11*) 1053 noconfigdirs="$noconfigdirs gdb ld" 1054 ;; 1055 hppa*64*-*-linux*) 1056 ;; 1057 hppa*-*-linux*) 1058 ;; 1059 hppa*-*-*elf* | \ 1060 hppa*-*-lites* | \ 1061 hppa*-*-openbsd* | \ 1062 hppa*64*-*-*) 1063 ;; 1064 hppa*-*-pro*) 1065 ;; 1066 hppa*-*-*) 1067 noconfigdirs="$noconfigdirs ld" 1068 ;; 1069 i960-*-*) 1070 noconfigdirs="$noconfigdirs gdb" 1071 ;; 1072 ia64*-*-elf*) 1073 # No gdb support yet. 1074 noconfigdirs="$noconfigdirs readline libgui itcl gdb" 1075 ;; 1076 ia64*-**-hpux*) 1077 # No ld support yet. 1078 noconfigdirs="$noconfigdirs gdb libgui itcl ld" 1079 ;; 1080 ia64*-*-*vms*) 1081 # No ld support yet. 1082 noconfigdirs="$noconfigdirs libgui itcl ld" 1083 ;; 1084 i[[3456789]]86-w64-mingw*) 1085 ;; 1086 i[[3456789]]86-*-mingw*) 1087 target_configdirs="$target_configdirs target-winsup" 1088 ;; 1089 *-*-cygwin*) 1090 target_configdirs="$target_configdirs target-libtermcap target-winsup" 1091 noconfigdirs="$noconfigdirs target-libgloss" 1092 # always build newlib if winsup directory is present. 1093 if test -d "$srcdir/winsup/cygwin"; then 1094 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` 1095 elif test -d "$srcdir/newlib"; then 1096 echo "Warning: winsup/cygwin is missing so newlib can't be built." 1097 fi 1098 ;; 1099 i[[3456789]]86-*-pe) 1100 noconfigdirs="$noconfigdirs target-libgloss" 1101 ;; 1102 i[[3456789]]86-*-sco3.2v5*) 1103 # The linker does not yet know about weak symbols in COFF, 1104 # and is not configured to handle mixed ELF and COFF. 1105 noconfigdirs="$noconfigdirs ld target-libgloss" 1106 ;; 1107 i[[3456789]]86-*-sco*) 1108 noconfigdirs="$noconfigdirs gprof target-libgloss" 1109 ;; 1110 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*) 1111 noconfigdirs="$noconfigdirs target-libgloss" 1112 ;; 1113 i[[3456789]]86-*-sysv4*) 1114 noconfigdirs="$noconfigdirs target-libgloss" 1115 ;; 1116 i[[3456789]]86-*-beos*) 1117 noconfigdirs="$noconfigdirs gdb" 1118 ;; 1119 i[[3456789]]86-*-rdos*) 1120 noconfigdirs="$noconfigdirs gdb" 1121 ;; 1122 mmix-*-*) 1123 noconfigdirs="$noconfigdirs gdb" 1124 ;; 1125 mt-*-*) 1126 noconfigdirs="$noconfigdirs sim" 1127 ;; 1128 nfp-*-*) 1129 noconfigdirs="$noconfigdirs ld gas gdb gprof sim" 1130 noconfigdirs="$noconfigdirs $target_libraries" 1131 ;; 1132 powerpc-*-aix*) 1133 # copied from rs6000-*-* entry 1134 noconfigdirs="$noconfigdirs gprof" 1135 ;; 1136 powerpc*-*-winnt* | powerpc*-*-pe*) 1137 target_configdirs="$target_configdirs target-winsup" 1138 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl" 1139 # always build newlib. 1140 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` 1141 ;; 1142 # This is temporary until we can link against shared libraries 1143 powerpcle-*-solaris*) 1144 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl" 1145 ;; 1146 powerpc-*-beos*) 1147 noconfigdirs="$noconfigdirs gdb" 1148 ;; 1149 rs6000-*-lynxos*) 1150 noconfigdirs="$noconfigdirs gprof" 1151 ;; 1152 rs6000-*-aix*) 1153 noconfigdirs="$noconfigdirs gprof" 1154 ;; 1155 rs6000-*-*) 1156 noconfigdirs="$noconfigdirs gprof" 1157 ;; 1158 m68k-apollo-*) 1159 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss" 1160 ;; 1161 microblaze*) 1162 noconfigdirs="$noconfigdirs gprof" 1163 ;; 1164 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*) 1165 if test x$with_newlib = xyes; then 1166 noconfigdirs="$noconfigdirs gprof" 1167 fi 1168 ;; 1169 mips*-*-irix5*) 1170 noconfigdirs="$noconfigdirs gprof target-libgloss" 1171 ;; 1172 mips*-*-irix6*) 1173 noconfigdirs="$noconfigdirs gprof target-libgloss" 1174 ;; 1175 mips*-*-bsd*) 1176 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss" 1177 ;; 1178 mips*-*-linux*) 1179 ;; 1180 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \ 1181 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*) 1182 noconfigdirs="$noconfigdirs ld gas gprof" 1183 ;; 1184 mips*-*-*) 1185 noconfigdirs="$noconfigdirs gprof" 1186 ;; 1187 nvptx*-*-*) 1188 noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc" 1189 ;; 1190 sh-*-*) 1191 case "${target}" in 1192 sh*-*-elf) 1193 ;; 1194 *) 1195 noconfigdirs="$noconfigdirs target-libgloss" ;; 1196 esac 1197 ;; 1198 sparc-*-sunos4*) 1199 if test x${is_cross_compiler} = xno ; then 1200 use_gnu_ld=no 1201 fi 1202 ;; 1203 tic6x-*-*) 1204 noconfigdirs="$noconfigdirs sim" 1205 ;; 1206 tilepro*-*-* | tilegx*-*-*) 1207 noconfigdirs="$noconfigdirs sim" 1208 ;; 1209 v810-*-*) 1210 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss" 1211 ;; 1212 vax-*-*) 1213 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1214 ;; 1215 wasm32-*-*) 1216 noconfigdirs="$noconfigdirs ld" 1217 ;; 1218esac 1219 1220# If we aren't building newlib, then don't build libgloss, since libgloss 1221# depends upon some newlib header files. 1222case "${noconfigdirs}" in 1223 *target-libgloss*) ;; 1224 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;; 1225esac 1226 1227# Work in distributions that contain no compiler tools, like Autoconf. 1228host_makefile_frag=/dev/null 1229if test -d ${srcdir}/config ; then 1230case "${host}" in 1231 i[[3456789]]86-*-msdosdjgpp*) 1232 host_makefile_frag="config/mh-djgpp" 1233 ;; 1234 *-cygwin*) 1235 ACX_CHECK_CYGWIN_CAT_WORKS 1236 host_makefile_frag="config/mh-cygwin" 1237 ;; 1238 *-mingw*) 1239 host_makefile_frag="config/mh-mingw" 1240 ;; 1241 alpha*-linux*) 1242 host_makefile_frag="config/mh-alpha-linux" 1243 ;; 1244 hppa*-hp-hpux10*) 1245 host_makefile_frag="config/mh-pa-hpux10" 1246 ;; 1247 hppa*-hp-hpux*) 1248 host_makefile_frag="config/mh-pa" 1249 ;; 1250 hppa*-*) 1251 host_makefile_frag="config/mh-pa" 1252 ;; 1253 *-*-darwin*) 1254 host_makefile_frag="config/mh-darwin" 1255 ;; 1256 powerpc-*-aix*) 1257 host_makefile_frag="config/mh-ppc-aix" 1258 ;; 1259 rs6000-*-aix*) 1260 host_makefile_frag="config/mh-ppc-aix" 1261 ;; 1262esac 1263fi 1264 1265if test "${build}" != "${host}" ; then 1266 AR_FOR_BUILD=${AR_FOR_BUILD-ar} 1267 AS_FOR_BUILD=${AS_FOR_BUILD-as} 1268 CC_FOR_BUILD=${CC_FOR_BUILD-gcc} 1269 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++} 1270 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran} 1271 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo} 1272 GDC_FOR_BUILD=${GDC_FOR_BUILD-gdc} 1273 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool} 1274 LD_FOR_BUILD=${LD_FOR_BUILD-ld} 1275 NM_FOR_BUILD=${NM_FOR_BUILD-nm} 1276 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib} 1277 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres} 1278 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc} 1279else 1280 AR_FOR_BUILD="\$(AR)" 1281 AS_FOR_BUILD="\$(AS)" 1282 CC_FOR_BUILD="\$(CC)" 1283 CXX_FOR_BUILD="\$(CXX)" 1284 GFORTRAN_FOR_BUILD="\$(GFORTRAN)" 1285 GOC_FOR_BUILD="\$(GOC)" 1286 GDC_FOR_BUILD="\$(GDC)" 1287 DLLTOOL_FOR_BUILD="\$(DLLTOOL)" 1288 LD_FOR_BUILD="\$(LD)" 1289 NM_FOR_BUILD="\$(NM)" 1290 RANLIB_FOR_BUILD="\$(RANLIB)" 1291 WINDRES_FOR_BUILD="\$(WINDRES)" 1292 WINDMC_FOR_BUILD="\$(WINDMC)" 1293fi 1294 1295AC_PROG_CC 1296AC_PROG_CXX 1297 1298# We must set the default linker to the linker used by gcc for the correct 1299# operation of libtool. If LD is not defined and we are using gcc, try to 1300# set the LD default to the ld used by gcc. 1301if test -z "$LD"; then 1302 if test "$GCC" = yes; then 1303 case $build in 1304 *-*-mingw*) 1305 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;; 1306 *) 1307 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;; 1308 esac 1309 case $gcc_prog_ld in 1310 # Accept absolute paths. 1311 [[\\/]* | [A-Za-z]:[\\/]*)] 1312 LD="$gcc_prog_ld" ;; 1313 esac 1314 fi 1315fi 1316 1317# Check whether -static-libstdc++ -static-libgcc is supported. 1318have_static_libs=no 1319if test "$GCC" = yes; then 1320 saved_LDFLAGS="$LDFLAGS" 1321 1322 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc" 1323 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc]) 1324 AC_LANG_PUSH(C++) 1325 AC_LINK_IFELSE([AC_LANG_SOURCE([ 1326#if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5) 1327#error -static-libstdc++ not implemented 1328#endif 1329int main() {}])], 1330 [AC_MSG_RESULT([yes]); have_static_libs=yes], 1331 [AC_MSG_RESULT([no])]) 1332 AC_LANG_POP(C++) 1333 1334 LDFLAGS="$saved_LDFLAGS" 1335fi 1336 1337ACX_PROG_GNAT 1338ACX_PROG_CMP_IGNORE_INITIAL 1339 1340AC_ARG_ENABLE([bootstrap], 1341[AS_HELP_STRING([--enable-bootstrap], 1342 [enable bootstrapping @<:@yes if native build@:>@])],, 1343enable_bootstrap=default) 1344 1345# Issue errors and warnings for invalid/strange bootstrap combinations. 1346if test -r $srcdir/gcc/configure; then 1347 have_compiler=yes 1348else 1349 have_compiler=no 1350fi 1351 1352case "$have_compiler:$host:$target:$enable_bootstrap" in 1353 *:*:*:no) ;; 1354 1355 # Default behavior. Enable bootstrap if we have a compiler 1356 # and we are in a native configuration. 1357 yes:$build:$build:default) 1358 enable_bootstrap=yes ;; 1359 1360 *:*:*:default) 1361 enable_bootstrap=no ;; 1362 1363 # We have a compiler and we are in a native configuration, bootstrap is ok 1364 yes:$build:$build:yes) 1365 ;; 1366 1367 # Other configurations, but we have a compiler. Assume the user knows 1368 # what he's doing. 1369 yes:*:*:yes) 1370 AC_MSG_WARN([trying to bootstrap a cross compiler]) 1371 ;; 1372 1373 # No compiler: if they passed --enable-bootstrap explicitly, fail 1374 no:*:*:yes) 1375 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;; 1376 1377 # Fail if wrong command line 1378 *) 1379 AC_MSG_ERROR([invalid option for --enable-bootstrap]) 1380 ;; 1381esac 1382 1383# When bootstrapping with GCC, build stage 1 in C++98 mode to ensure that a 1384# C++98 compiler can still start the bootstrap. 1385if test "$enable_bootstrap:$GXX" = "yes:yes"; then 1386 CXX="$CXX -std=gnu++98" 1387fi 1388 1389# Used for setting $lt_cv_objdir 1390_LT_CHECK_OBJDIR 1391 1392# Check for GMP, MPFR and MPC 1393gmplibs="-lmpc -lmpfr -lgmp" 1394gmpinc= 1395have_gmp=no 1396 1397# Specify a location for mpc 1398# check for this first so it ends up on the link line before mpfr. 1399AC_ARG_WITH(mpc, 1400[AS_HELP_STRING([--with-mpc=PATH], 1401 [specify prefix directory for installed MPC package. 1402 Equivalent to --with-mpc-include=PATH/include 1403 plus --with-mpc-lib=PATH/lib])]) 1404AC_ARG_WITH(mpc-include, 1405[AS_HELP_STRING([--with-mpc-include=PATH], 1406 [specify directory for installed MPC include files])]) 1407AC_ARG_WITH(mpc-lib, 1408[AS_HELP_STRING([--with-mpc-lib=PATH], 1409 [specify directory for the installed MPC library])]) 1410 1411if test "x$with_mpc" != x; then 1412 gmplibs="-L$with_mpc/lib $gmplibs" 1413 gmpinc="-I$with_mpc/include $gmpinc" 1414fi 1415if test "x$with_mpc_include" != x; then 1416 gmpinc="-I$with_mpc_include $gmpinc" 1417fi 1418if test "x$with_mpc_lib" != x; then 1419 gmplibs="-L$with_mpc_lib $gmplibs" 1420fi 1421if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then 1422 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs" 1423 gmpinc='-I$$s/mpc/src '"$gmpinc" 1424 # Do not test the mpc version. Assume that it is sufficient, since 1425 # it is in the source tree, and the library has not been built yet 1426 # but it would be included on the link line in the version check below 1427 # hence making the test fail. 1428 have_gmp=yes 1429fi 1430 1431# Specify a location for mpfr 1432# check for this first so it ends up on the link line before gmp. 1433AC_ARG_WITH(mpfr-dir, 1434[AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])], 1435[AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed. 1436Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])]) 1437 1438AC_ARG_WITH(mpfr, 1439[AS_HELP_STRING([--with-mpfr=PATH], 1440 [specify prefix directory for installed MPFR package. 1441 Equivalent to --with-mpfr-include=PATH/include 1442 plus --with-mpfr-lib=PATH/lib])]) 1443AC_ARG_WITH(mpfr-include, 1444[AS_HELP_STRING([--with-mpfr-include=PATH], 1445 [specify directory for installed MPFR include files])]) 1446AC_ARG_WITH(mpfr-lib, 1447[AS_HELP_STRING([--with-mpfr-lib=PATH], 1448 [specify directory for the installed MPFR library])]) 1449 1450if test "x$with_mpfr" != x; then 1451 gmplibs="-L$with_mpfr/lib $gmplibs" 1452 gmpinc="-I$with_mpfr/include $gmpinc" 1453fi 1454if test "x$with_mpfr_include" != x; then 1455 gmpinc="-I$with_mpfr_include $gmpinc" 1456fi 1457if test "x$with_mpfr_lib" != x; then 1458 gmplibs="-L$with_mpfr_lib $gmplibs" 1459fi 1460if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then 1461 # MPFR v3.1.0 moved the sources into a src sub-directory. 1462 if ! test -d ${srcdir}/mpfr/src; then 1463 AC_MSG_ERROR([dnl 1464Building GCC with MPFR in the source tree is only handled for MPFR 3.1.0+.]) 1465 fi 1466 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs" 1467 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc" 1468 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir" 1469 # Do not test the mpfr version. Assume that it is sufficient, since 1470 # it is in the source tree, and the library has not been built yet 1471 # but it would be included on the link line in the version check below 1472 # hence making the test fail. 1473 have_gmp=yes 1474fi 1475 1476# Specify a location for gmp 1477AC_ARG_WITH(gmp-dir, 1478[AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])], 1479[AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed. 1480Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])]) 1481 1482AC_ARG_WITH(gmp, 1483[AS_HELP_STRING([--with-gmp=PATH], 1484 [specify prefix directory for the installed GMP package. 1485 Equivalent to --with-gmp-include=PATH/include 1486 plus --with-gmp-lib=PATH/lib])]) 1487AC_ARG_WITH(gmp-include, 1488[AS_HELP_STRING([--with-gmp-include=PATH], 1489 [specify directory for installed GMP include files])]) 1490AC_ARG_WITH(gmp-lib, 1491[AS_HELP_STRING([--with-gmp-lib=PATH], 1492 [specify directory for the installed GMP library])]) 1493 1494 1495if test "x$with_gmp" != x; then 1496 gmplibs="-L$with_gmp/lib $gmplibs" 1497 gmpinc="-I$with_gmp/include $gmpinc" 1498fi 1499if test "x$with_gmp_include" != x; then 1500 gmpinc="-I$with_gmp_include $gmpinc" 1501fi 1502if test "x$with_gmp_lib" != x; then 1503 gmplibs="-L$with_gmp_lib $gmplibs" 1504fi 1505if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then 1506 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs" 1507 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc" 1508 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir" 1509 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir" 1510 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp' 1511 # Do not test the gmp version. Assume that it is sufficient, since 1512 # it is in the source tree, and the library has not been built yet 1513 # but it would be included on the link line in the version check below 1514 # hence making the test fail. 1515 have_gmp=yes 1516fi 1517 1518if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then 1519 have_gmp=yes 1520 saved_CFLAGS="$CFLAGS" 1521 CFLAGS="$CFLAGS $gmpinc" 1522 # Check for the recommended and required versions of GMP. 1523 AC_MSG_CHECKING([for the correct version of gmp.h]) 1524 AC_TRY_COMPILE([#include "gmp.h"],[ 1525 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) 1526 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) 1527 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3) 1528 choke me 1529 #endif 1530 ], [AC_TRY_COMPILE([#include <gmp.h>],[ 1531 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) 1532 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) 1533 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2) 1534 choke me 1535 #endif 1536 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1537 [AC_MSG_RESULT([no]); have_gmp=no]) 1538 1539 # If we have GMP, check the MPFR version. 1540 if test x"$have_gmp" = xyes; then 1541 # Check for the recommended and required versions of MPFR. 1542 AC_MSG_CHECKING([for the correct version of mpfr.h]) 1543 AC_TRY_COMPILE([#include <gmp.h> 1544 #include <mpfr.h>],[ 1545 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0) 1546 choke me 1547 #endif 1548 ], [AC_TRY_COMPILE([#include <gmp.h> 1549 #include <mpfr.h>],[ 1550 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2) 1551 choke me 1552 #endif 1553 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1554 [AC_MSG_RESULT([no]); have_gmp=no]) 1555 fi 1556 1557 # Check for the MPC header version. 1558 if test x"$have_gmp" = xyes ; then 1559 # Check for the recommended and required versions of MPC. 1560 AC_MSG_CHECKING([for the correct version of mpc.h]) 1561 AC_TRY_COMPILE([#include <mpc.h>],[ 1562 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0) 1563 choke me 1564 #endif 1565 ], [AC_TRY_COMPILE([#include <mpc.h>],[ 1566 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1) 1567 choke me 1568 #endif 1569 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1570 [AC_MSG_RESULT([no]); have_gmp=no]) 1571 fi 1572 1573 # Now check the MPFR library. 1574 if test x"$have_gmp" = xyes; then 1575 saved_LIBS="$LIBS" 1576 LIBS="$LIBS $gmplibs" 1577 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries]) 1578 AC_TRY_LINK([#include <mpc.h>],[ 1579 mpfr_t n; 1580 mpfr_t x; 1581 mpc_t c; 1582 int t; 1583 mpfr_init (n); 1584 mpfr_init (x); 1585 mpfr_atan2 (n, n, x, GMP_RNDN); 1586 mpfr_erfc (n, x, GMP_RNDN); 1587 mpfr_subnormalize (x, t, GMP_RNDN); 1588 mpfr_clear(n); 1589 mpfr_clear(x); 1590 mpc_init2 (c, 53); 1591 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN); 1592 mpc_cosh (c, c, MPC_RNDNN); 1593 mpc_pow (c, c, c, MPC_RNDNN); 1594 mpc_acosh (c, c, MPC_RNDNN); 1595 mpc_clear (c); 1596 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no]) 1597 LIBS="$saved_LIBS" 1598 fi 1599 1600 CFLAGS="$saved_CFLAGS" 1601 1602# The library versions listed in the error message below should match 1603# the HARD-minimums enforced above. 1604 if test x$have_gmp != xyes; then 1605 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+. 1606Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify 1607their locations. Source code for these libraries can be found at 1608their respective hosting sites as well as at 1609ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also 1610http://gcc.gnu.org/install/prerequisites.html for additional info. If 1611you obtained GMP, MPFR and/or MPC from a vendor distribution package, 1612make sure that you have installed both the libraries and the header 1613files. They may be located in separate packages.]) 1614 fi 1615fi 1616 1617# Flags needed for both GMP, MPFR and/or MPC. 1618AC_SUBST(gmplibs) 1619AC_SUBST(gmpinc) 1620AC_SUBST(extra_mpfr_configure_flags) 1621AC_SUBST(extra_mpc_gmp_configure_flags) 1622AC_SUBST(extra_mpc_mpfr_configure_flags) 1623AC_SUBST(extra_isl_gmp_configure_flags) 1624 1625# Libraries to use for stage1 or when not bootstrapping. 1626AC_ARG_WITH(stage1-libs, 1627[AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])], 1628[if test "$withval" = "no" -o "$withval" = "yes"; then 1629 stage1_libs= 1630 else 1631 stage1_libs=$withval 1632 fi], 1633[stage1_libs=]) 1634AC_SUBST(stage1_libs) 1635 1636# Linker flags to use for stage1 or when not bootstrapping. 1637AC_ARG_WITH(stage1-ldflags, 1638[AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])], 1639[if test "$withval" = "no" -o "$withval" = "yes"; then 1640 stage1_ldflags= 1641 else 1642 stage1_ldflags=$withval 1643 fi], 1644[stage1_ldflags= 1645 # In stage 1, default to linking libstdc++ and libgcc statically with GCC 1646 # if supported. But if the user explicitly specified the libraries to use, 1647 # trust that they are doing what they want. 1648 if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then 1649 stage1_ldflags="-static-libstdc++ -static-libgcc" 1650 fi]) 1651AC_SUBST(stage1_ldflags) 1652 1653# Libraries to use for stage2 and later builds. 1654AC_ARG_WITH(boot-libs, 1655[AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])], 1656[if test "$withval" = "no" -o "$withval" = "yes"; then 1657 poststage1_libs= 1658 else 1659 poststage1_libs=$withval 1660 fi], 1661[poststage1_libs=]) 1662AC_SUBST(poststage1_libs) 1663 1664# Linker flags to use for stage2 and later builds. 1665AC_ARG_WITH(boot-ldflags, 1666[AS_HELP_STRING([--with-boot-ldflags=FLAGS], 1667 [linker flags for stage2 and later])], 1668[if test "$withval" = "no" -o "$withval" = "yes"; then 1669 poststage1_ldflags= 1670 else 1671 poststage1_ldflags=$withval 1672 fi], 1673[poststage1_ldflags= 1674 # In stages 2 and 3, default to linking libstdc++ and libgcc 1675 # statically. But if the user explicitly specified the libraries to 1676 # use, trust that they are doing what they want. 1677 if test "$poststage1_libs" = ""; then 1678 poststage1_ldflags="-static-libstdc++ -static-libgcc" 1679 fi]) 1680AC_SUBST(poststage1_ldflags) 1681 1682# GCC GRAPHITE dependency isl. 1683# Basic setup is inlined here, actual checks are in config/isl.m4 1684 1685AC_ARG_WITH(isl, 1686 [AS_HELP_STRING( 1687 [--with-isl=PATH], 1688 [Specify prefix directory for the installed isl package. 1689 Equivalent to --with-isl-include=PATH/include 1690 plus --with-isl-lib=PATH/lib])]) 1691 1692# Treat --without-isl as a request to disable 1693# GRAPHITE support and skip all following checks. 1694if test "x$with_isl" != "xno"; then 1695 # Check for isl 1696 dnl Provide configure switches and initialize islinc & isllibs 1697 dnl with user input. 1698 ISL_INIT_FLAGS 1699 dnl The versions of isl that work for Graphite 1700 ISL_CHECK_VERSION() 1701 dnl Only execute fail-action, if isl has been requested. 1702 ISL_IF_FAILED([ 1703 AC_MSG_ERROR([Unable to find a usable isl. See config.log for details.])]) 1704fi 1705 1706# If the isl check failed, disable builds of in-tree variant of isl 1707if test "x$with_isl" = xno || 1708 test "x$gcc_cv_isl" = xno; then 1709 noconfigdirs="$noconfigdirs isl" 1710 islinc= 1711fi 1712 1713AC_SUBST(isllibs) 1714AC_SUBST(islinc) 1715 1716# Check for LTO support. 1717AC_ARG_ENABLE(lto, 1718[AS_HELP_STRING([--enable-lto], [enable link time optimization support])], 1719enable_lto=$enableval, 1720enable_lto=yes; default_enable_lto=yes) 1721 1722ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always. 1723 case $target in 1724 m68010-*) 1725 build_lto_plugin=no;; 1726 *) 1727 build_lto_plugin=yes;; 1728 esac 1729],[if test x"$default_enable_lto" = x"yes" ; then 1730 case $target in 1731 *-apple-darwin[[912]]* | *-cygwin* | *-mingw* | *djgpp*) ;; 1732 # On other non-ELF platforms, LTO has yet to be validated. 1733 *) enable_lto=no ;; 1734 esac 1735 else 1736 # Apart from ELF platforms, only Windows and Darwin support LTO so far. 1737 # It would also be nice to check the binutils support, but we don't 1738 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just 1739 # warn during gcc/ subconfigure; unless you're bootstrapping with 1740 # -flto it won't be needed until after installation anyway. 1741 case $target in 1742 *-cygwin* | *-mingw* | *-apple-darwin* | *djgpp*) ;; 1743 *) if test x"$enable_lto" = x"yes"; then 1744 AC_MSG_ERROR([LTO support is not enabled for this target.]) 1745 fi 1746 ;; 1747 esac 1748 fi 1749 # Among non-ELF, only Windows platforms support the lto-plugin so far. 1750 # Build it unless LTO was explicitly disabled. 1751 case $target in 1752 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;; 1753 *) ;; 1754 esac 1755]) 1756 1757AC_ARG_ENABLE(linker-plugin-configure-flags, 1758 [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]], 1759 [additional flags for configuring linker plugins @<:@none@:>@])], 1760 extra_linker_plugin_configure_flags=$enableval, 1761 extra_linker_plugin_configure_flags=) 1762AC_SUBST(extra_linker_plugin_configure_flags) 1763AC_ARG_ENABLE(linker-plugin-flags, 1764 [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]], 1765 [additional flags for configuring and building linker plugins @<:@none@:>@])], 1766 extra_linker_plugin_flags=$enableval, 1767 extra_linker_plugin_flags=) 1768AC_SUBST(extra_linker_plugin_flags) 1769 1770# Enable --enable-host-shared. 1771# Checked early to determine whether jit is an 'all' language 1772AC_ARG_ENABLE(host-shared, 1773[AS_HELP_STRING([--enable-host-shared], 1774 [build host code as shared libraries])], 1775[host_shared=$enableval], [host_shared=no]) 1776AC_SUBST(host_shared) 1777 1778# By default, C and C++ are the only stage 1 languages. 1779stage1_languages=,c, 1780 1781# Target libraries that we bootstrap. 1782bootstrap_target_libs=,target-libgcc, 1783 1784# Figure out what language subdirectories are present. 1785# Look if the user specified --enable-languages="..."; if not, use 1786# the environment variable $LANGUAGES if defined. $LANGUAGES might 1787# go away some day. 1788# NB: embedded tabs in this IF block -- do not untabify 1789if test -d ${srcdir}/gcc; then 1790 if test x"${enable_languages+set}" != xset; then 1791 if test x"${LANGUAGES+set}" = xset; then 1792 enable_languages="${LANGUAGES}" 1793 echo configure.ac: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2 1794 else 1795 enable_languages=default 1796 fi 1797 else 1798 if test x"${enable_languages}" = x || 1799 test x"${enable_languages}" = xyes; 1800 then 1801 echo configure.ac: --enable-languages needs at least one language argument 1>&2 1802 exit 1 1803 fi 1804 fi 1805 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'` 1806 1807 # 'f95' is the old name for the 'fortran' language. We issue a warning 1808 # and make the substitution. 1809 case ,${enable_languages}, in 1810 *,f95,*) 1811 echo configure.ac: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2 1812 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'` 1813 ;; 1814 esac 1815 1816 # If bootstrapping, C++ must be enabled. 1817 case ",$enable_languages,:$enable_bootstrap" in 1818 *,c++,*:*) ;; 1819 *:yes) 1820 if test -f ${srcdir}/gcc/cp/config-lang.in; then 1821 enable_languages="${enable_languages},c++" 1822 else 1823 AC_MSG_ERROR([bootstrapping requires c++ sources]) 1824 fi 1825 ;; 1826 esac 1827 1828 # First scan to see if an enabled language requires some other language. 1829 # We assume that a given config-lang.in will list all the language 1830 # front ends it requires, even if some are required indirectly. 1831 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do 1832 case ${lang_frag} in 1833 ..) ;; 1834 # The odd quoting in the next line works around 1835 # an apparent bug in bash 1.12 on linux. 1836 ${srcdir}/gcc/[[*]]/config-lang.in) ;; 1837 *) 1838 # From the config-lang.in, get $language, $lang_requires, and 1839 # $lang_requires_boot_languages. 1840 language= 1841 lang_requires= 1842 lang_requires_boot_languages= 1843 # set srcdir during sourcing lang_frag to the gcc dir. 1844 # Sadly overriding srcdir on the . line doesn't work in plain sh as it 1845 # polutes this shell 1846 saved_srcdir=${srcdir} 1847 srcdir=${srcdir}/gcc . ${lang_frag} 1848 srcdir=${saved_srcdir} 1849 for other in ${lang_requires} ${lang_requires_boot_languages}; do 1850 case ,${enable_languages}, in 1851 *,$other,*) ;; 1852 *,default,*) ;; 1853 *,all,*) ;; 1854 *,$language,*) 1855 echo " \`$other' language required by \`$language'; enabling" 1>&2 1856 enable_languages="${enable_languages},${other}" 1857 ;; 1858 esac 1859 done 1860 for other in ${lang_requires_boot_languages} ; do 1861 if test "$other" != "c"; then 1862 case ,${enable_stage1_languages}, in 1863 *,$other,*) ;; 1864 *,default,*) ;; 1865 *,all,*) ;; 1866 *) 1867 case ,${enable_languages}, in 1868 *,$language,*) 1869 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2 1870 enable_stage1_languages="$enable_stage1_languages,${other}" 1871 ;; 1872 esac 1873 ;; 1874 esac 1875 fi 1876 done 1877 ;; 1878 esac 1879 done 1880 1881 new_enable_languages=,c, 1882 1883 # If LTO is enabled, add the LTO front end. 1884 if test "$enable_lto" = "yes" ; then 1885 case ,${enable_languages}, in 1886 *,lto,*) ;; 1887 *) enable_languages="${enable_languages},lto" ;; 1888 esac 1889 if test "${build_lto_plugin}" = "yes" ; then 1890 configdirs="$configdirs lto-plugin" 1891 fi 1892 fi 1893 1894 # If we're building an offloading compiler, add the LTO front end. 1895 if test x"$enable_as_accelerator_for" != x ; then 1896 case ,${enable_languages}, in 1897 *,lto,*) ;; 1898 *) enable_languages="${enable_languages},lto" ;; 1899 esac 1900 fi 1901 1902 missing_languages=`echo ",$enable_languages," | sed -e s/,default,/,/ -e s/,all,/,/ -e s/,c,/,/ ` 1903 potential_languages=,c, 1904 1905 enabled_target_libs= 1906 disabled_target_libs= 1907 1908 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do 1909 case ${lang_frag} in 1910 ..) ;; 1911 # The odd quoting in the next line works around 1912 # an apparent bug in bash 1.12 on linux. 1913 ${srcdir}/gcc/[[*]]/config-lang.in) ;; 1914 *) 1915 # From the config-lang.in, get $language, $target_libs, 1916 # $lang_dirs, $boot_language, and $build_by_default 1917 language= 1918 target_libs= 1919 lang_dirs= 1920 subdir_requires= 1921 boot_language=no 1922 build_by_default=yes 1923 # set srcdir during sourcing. See above about save & restore 1924 saved_srcdir=${srcdir} 1925 srcdir=${srcdir}/gcc . ${lang_frag} 1926 srcdir=${saved_srcdir} 1927 if test x${language} = x; then 1928 echo "${lang_frag} doesn't set \$language." 1>&2 1929 exit 1 1930 fi 1931 1932 if test "$language" = "c++"; then 1933 boot_language=yes 1934 fi 1935 1936 add_this_lang=no 1937 # C is always enabled, so no need to add it again 1938 if test "$language" != "c"; then 1939 case ,${enable_languages}, in 1940 *,${language},*) 1941 # Language was explicitly selected; include it 1942 add_this_lang=yes 1943 ;; 1944 *,all,*) 1945 # All languages are enabled 1946 add_this_lang=all 1947 ;; 1948 *,default,*) 1949 # 'default' was selected, select it if it is a default language 1950 add_this_lang=${build_by_default} 1951 ;; 1952 esac 1953 fi 1954 1955 # Disable languages that need other directories if these aren't available. 1956 for i in $subdir_requires; do 1957 test -f "$srcdir/gcc/$i/config-lang.in" && continue 1958 case ${add_this_lang} in 1959 yes) 1960 # Specifically requested language; tell them. 1961 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing]) 1962 ;; 1963 all) 1964 AC_MSG_WARN([The gcc/$i directory contains parts of $language but is missing]) 1965 add_this_lang=unsupported 1966 ;; 1967 *) 1968 # Silently disable. 1969 add_this_lang=unsupported 1970 ;; 1971 esac 1972 done 1973 1974 # Disable Ada if no preexisting GNAT is available. 1975 case ${add_this_lang}:${language}:${have_gnat} in 1976 yes:ada:no) 1977 # Specifically requested language; tell them. 1978 AC_MSG_ERROR([GNAT is required to build $language]) 1979 ;; 1980 all:ada:no) 1981 AC_MSG_WARN([GNAT is required to build $language]) 1982 add_this_lang=unsupported 1983 ;; 1984 *:ada:no) 1985 # Silently disable. 1986 add_this_lang=unsupported 1987 ;; 1988 esac 1989 1990 # Disable jit if -enable-host-shared not specified 1991 case ${add_this_lang}:${language}:${host_shared} in 1992 yes:jit:no) 1993 # PR jit/64780: explicitly specify --enable-host-shared 1994 AC_MSG_ERROR([ 1995Enabling language "jit" requires --enable-host-shared. 1996 1997--enable-host-shared typically slows the rest of the compiler down by 1998a few %, so you must explicitly enable it. 1999 2000If you want to build both the jit and the regular compiler, it is often 2001best to do this via two separate configure/builds, in separate 2002directories, to avoid imposing the performance cost of 2003--enable-host-shared on the regular compiler.]) 2004 ;; 2005 all:jit:no) 2006 AC_MSG_WARN([--enable-host-shared required to build $language]) 2007 add_this_lang=unsupported 2008 ;; 2009 *:jit:no) 2010 # Silently disable. 2011 add_this_lang=unsupported 2012 ;; 2013 esac 2014 2015 # Disable a language that is unsupported by the target. 2016 case "${add_this_lang}: $unsupported_languages " in 2017 no:*) ;; 2018 unsupported:*) ;; 2019 *:*" $language "*) 2020 AC_MSG_WARN([${language} not supported for this target]) 2021 add_this_lang=unsupported 2022 ;; 2023 esac 2024 2025 case $add_this_lang in 2026 unsupported) 2027 # Remove language-dependent dirs. 2028 disabled_target_libs="$disabled_target_libs $target_libs" 2029 noconfigdirs="$noconfigdirs $lang_dirs" 2030 ;; 2031 no) 2032 # Remove language-dependent dirs; still show language as supported. 2033 disabled_target_libs="$disabled_target_libs $target_libs" 2034 noconfigdirs="$noconfigdirs $lang_dirs" 2035 potential_languages="${potential_languages}${language}," 2036 ;; 2037 all|yes) 2038 new_enable_languages="${new_enable_languages}${language}," 2039 potential_languages="${potential_languages}${language}," 2040 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"` 2041 enabled_target_libs="$enabled_target_libs $target_libs" 2042 case "${boot_language}:,$enable_stage1_languages," in 2043 yes:* | *:*,$language,* | *:*,yes, | *:*,all,) 2044 # Add to (comma-separated) list of stage 1 languages. 2045 case ",$stage1_languages," in 2046 *,$language,* | ,yes, | ,all,) ;; 2047 *) stage1_languages="${stage1_languages}${language}," ;; 2048 esac 2049 # We need to bootstrap any supporting libraries. 2050 bootstrap_target_libs="${bootstrap_target_libs}${target_libs}," 2051 ;; 2052 esac 2053 ;; 2054 esac 2055 ;; 2056 esac 2057 done 2058 2059 # Add target libraries which are only needed for disabled languages 2060 # to noconfigdirs. 2061 if test -n "$disabled_target_libs"; then 2062 for dir in $disabled_target_libs; do 2063 case " $enabled_target_libs " in 2064 *" ${dir} "*) ;; 2065 *) noconfigdirs="$noconfigdirs $dir" ;; 2066 esac 2067 done 2068 fi 2069 2070 AC_ARG_ENABLE(stage1-languages, 2071 [AS_HELP_STRING([[--enable-stage1-languages[=all]]], 2072 [choose additional languages to build during 2073 stage1. Mostly useful for compiler development])], 2074 [case ,${enable_stage1_languages}, in 2075 ,no,|,,) 2076 # Set it to something that will have no effect in the loop below 2077 enable_stage1_languages=c ;; 2078 ,yes,) 2079 enable_stage1_languages=`echo $new_enable_languages | \ 2080 sed -e "s/^,//" -e "s/,$//" ` ;; 2081 *,all,*) 2082 enable_stage1_languages=`echo ,$enable_stage1_languages, | \ 2083 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;; 2084 esac 2085 2086 # Add "good" languages from enable_stage1_languages to stage1_languages, 2087 # while "bad" languages go in missing_languages. Leave no duplicates. 2088 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do 2089 case $potential_languages in 2090 *,$i,*) 2091 case $stage1_languages in 2092 *,$i,*) ;; 2093 *) stage1_languages="$stage1_languages$i," ;; 2094 esac ;; 2095 *) 2096 case $missing_languages in 2097 *,$i,*) ;; 2098 *) missing_languages="$missing_languages$i," ;; 2099 esac ;; 2100 esac 2101 done]) 2102 2103 # Remove leading/trailing commas that were added for simplicity 2104 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"` 2105 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"` 2106 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"` 2107 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"` 2108 2109 if test "x$missing_languages" != x; then 2110 AC_MSG_ERROR([ 2111The following requested languages could not be built: ${missing_languages} 2112Supported languages are: ${potential_languages}]) 2113 fi 2114 if test "x$new_enable_languages" != "x$enable_languages"; then 2115 echo The following languages will be built: ${new_enable_languages} 2116 enable_languages="$new_enable_languages" 2117 fi 2118 2119 AC_SUBST(stage1_languages) 2120 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" ` 2121fi 2122 2123# Handle --disable-<component> generically. 2124for dir in $configdirs $build_configdirs $target_configdirs ; do 2125 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g` 2126 varname=`echo $dirname | sed -e s/+/_/g` 2127 if eval test x\${enable_${varname}} "=" xno ; then 2128 noconfigdirs="$noconfigdirs $dir" 2129 fi 2130done 2131 2132# Check for Boehm's garbage collector 2133AC_ARG_ENABLE(objc-gc, 2134[AS_HELP_STRING([--enable-objc-gc], 2135 [enable use of Boehm's garbage collector with the 2136 GNU Objective-C runtime])]) 2137AC_ARG_WITH([target-bdw-gc], 2138[AS_HELP_STRING([--with-target-bdw-gc=PATHLIST], 2139 [specify prefix directory for installed bdw-gc package. 2140 Equivalent to --with-target-bdw-gc-include=PATH/include 2141 plus --with-target-bdw-gc-lib=PATH/lib])]) 2142AC_ARG_WITH([target-bdw-gc-include], 2143[AS_HELP_STRING([--with-target-bdw-gc-include=PATHLIST], 2144 [specify directories for installed bdw-gc include files])]) 2145AC_ARG_WITH([target-bdw-gc-lib], 2146[AS_HELP_STRING([--with-target-bdw-gc-lib=PATHLIST], 2147 [specify directories for installed bdw-gc library])]) 2148 2149case ,${enable_languages},:${enable_objc_gc} in *,objc,*:yes|*,objc,*:auto) 2150 AC_MSG_CHECKING([for bdw garbage collector]) 2151 if test "x$with_target_bdw_gc$with_target_bdw_gc_include$with_target_bdw_gc_lib" = x; then 2152 dnl no bdw-gw options, assume default locations 2153 AC_MSG_RESULT([using bdw-gc in default locations]) 2154 else 2155 dnl bdw-gw options, first error checking, complete checking in libobjc 2156 if test "x$with_target_bdw_gc_include" = x && test "x$with_target_bdw_gc_lib" != x; then 2157 AC_MSG_ERROR([found --with-target-bdw-gc-lib but --with-target-bdw-gc-include missing]) 2158 elif test "x$with_target_bdw_gc_include" != x && test "x$with_target_bdw_gc_lib" = x; then 2159 AC_MSG_ERROR([found --with-target-bdw-gc-include but --with-target-bdw-gc-lib missing]) 2160 else 2161 AC_MSG_RESULT([using paths configured with --with-target-bdw-gc options]) 2162 fi 2163 fi 2164esac 2165 2166# Disable libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++ 2167case ,${enable_languages}, in 2168 *,c++,*) 2169 # Disable libitm, libsanitizer if we're not building libstdc++ 2170 case "${noconfigdirs}" in 2171 *target-libstdc++-v3*) 2172 noconfigdirs="$noconfigdirs target-libitm target-libsanitizer" 2173 ;; 2174 *) ;; 2175 esac 2176 ;; 2177 *) 2178 noconfigdirs="$noconfigdirs target-liboffloadmic target-libitm target-libsanitizer target-libvtv" 2179 ;; 2180esac 2181 2182# Remove the entries in $skipdirs and $noconfigdirs from $configdirs, 2183# $build_configdirs and $target_configdirs. 2184# If we have the source for $noconfigdirs entries, add them to $notsupp. 2185 2186notsupp="" 2187for dir in . $skipdirs $noconfigdirs ; do 2188 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g` 2189 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2190 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"` 2191 if test -r $srcdir/$dirname/configure ; then 2192 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2193 true 2194 else 2195 notsupp="$notsupp $dir" 2196 fi 2197 fi 2198 fi 2199 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2200 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"` 2201 if test -r $srcdir/$dirname/configure ; then 2202 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2203 true 2204 else 2205 notsupp="$notsupp $dir" 2206 fi 2207 fi 2208 fi 2209 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2210 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"` 2211 if test -r $srcdir/$dirname/configure ; then 2212 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2213 true 2214 else 2215 notsupp="$notsupp $dir" 2216 fi 2217 fi 2218 fi 2219done 2220 2221# Quietly strip out all directories which aren't configurable in this tree. 2222# This relies on all configurable subdirectories being autoconfiscated, which 2223# is now the case. 2224build_configdirs_all="$build_configdirs" 2225build_configdirs= 2226for i in ${build_configdirs_all} ; do 2227 j=`echo $i | sed -e s/build-//g` 2228 if test -f ${srcdir}/$j/configure ; then 2229 build_configdirs="${build_configdirs} $i" 2230 fi 2231done 2232 2233configdirs_all="$configdirs" 2234configdirs= 2235for i in ${configdirs_all} ; do 2236 if test -f ${srcdir}/$i/configure ; then 2237 configdirs="${configdirs} $i" 2238 fi 2239done 2240 2241target_configdirs_all="$target_configdirs" 2242target_configdirs= 2243for i in ${target_configdirs_all} ; do 2244 j=`echo $i | sed -e s/target-//g` 2245 if test -f ${srcdir}/$j/configure ; then 2246 target_configdirs="${target_configdirs} $i" 2247 fi 2248done 2249 2250# libiberty-linker-plugin is special: it doesn't have its own source directory, 2251# so we have to add it after the preceding checks. 2252if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x 2253then 2254 case " $configdirs " in 2255 *" libiberty "*) 2256 # If we can build libiberty, we can also build libiberty-linker-plugin. 2257 configdirs="$configdirs libiberty-linker-plugin" 2258 extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \ 2259 --with-libiberty=../libiberty-linker-plugin";; 2260 *) 2261 AC_MSG_ERROR([libiberty missing]);; 2262 esac 2263fi 2264 2265# Sometimes we have special requirements for the host libiberty. 2266extra_host_libiberty_configure_flags= 2267extra_host_zlib_configure_flags= 2268case " $configdirs " in 2269 *" lto-plugin "* | *" libcc1 "*) 2270 # When these are to be built as shared libraries, the same applies to 2271 # libiberty. 2272 extra_host_libiberty_configure_flags=--enable-shared 2273 ;; 2274 *" bfd "*) 2275 # When bfd is to be built as a shared library, the same applies to 2276 # zlib. 2277 if test "$enable_shared" = "yes"; then 2278 extra_host_zlib_configure_flags=--enable-host-shared 2279 fi 2280 ;; 2281esac 2282AC_SUBST(extra_host_libiberty_configure_flags) 2283AC_SUBST(extra_host_zlib_configure_flags) 2284 2285# Produce a warning message for the subdirs we can't configure. 2286# This isn't especially interesting in the Cygnus tree, but in the individual 2287# FSF releases, it's important to let people know when their machine isn't 2288# supported by the one or two programs in a package. 2289 2290if test -n "${notsupp}" && test -z "${norecursion}" ; then 2291 # If $appdirs is non-empty, at least one of those directories must still 2292 # be configured, or we error out. (E.g., if the gas release supports a 2293 # specified target in some subdirs but not the gas subdir, we shouldn't 2294 # pretend that all is well.) 2295 if test -n "$appdirs" ; then 2296 for dir in $appdirs ; do 2297 if test -r $dir/Makefile.in ; then 2298 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2299 appdirs="" 2300 break 2301 fi 2302 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then 2303 appdirs="" 2304 break 2305 fi 2306 fi 2307 done 2308 if test -n "$appdirs" ; then 2309 echo "*** This configuration is not supported by this package." 1>&2 2310 exit 1 2311 fi 2312 fi 2313 # Okay, some application will build, or we don't care to check. Still 2314 # notify of subdirs not getting built. 2315 echo "*** This configuration is not supported in the following subdirectories:" 1>&2 2316 echo " ${notsupp}" 1>&2 2317 echo " (Any other directories should still work fine.)" 1>&2 2318fi 2319 2320case "$host" in 2321 *msdosdjgpp*) 2322 enable_gdbtk=no ;; 2323esac 2324 2325# To find our prefix, in gcc_cv_tool_prefix. 2326ACX_TOOL_DIRS 2327 2328copy_dirs= 2329 2330AC_ARG_WITH([build-sysroot], 2331 [AS_HELP_STRING([--with-build-sysroot=SYSROOT], 2332 [use sysroot as the system root during the build])], 2333 [if test x"$withval" != x ; then 2334 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval" 2335 fi], 2336 [SYSROOT_CFLAGS_FOR_TARGET=]) 2337AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET) 2338 2339AC_ARG_WITH([debug-prefix-map], 2340 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'], 2341 [map A to B, C to D ... in debug information])], 2342 [if test x"$withval" != x; then 2343 DEBUG_PREFIX_CFLAGS_FOR_TARGET= 2344 for debug_map in $withval; do 2345 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map" 2346 done 2347 fi], 2348 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=]) 2349AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET) 2350 2351# During gcc bootstrap, if we use some random cc for stage1 then CFLAGS 2352# might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS 2353# might also be empty (or "-g", if a non-GCC C++ compiler is in the path). 2354# We want to ensure that TARGET libraries (which we know are built with 2355# gcc) are built with "-O2 -g", so include those options when setting 2356# CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET. 2357if test "x$CFLAGS_FOR_TARGET" = x; then 2358 if test "x${is_cross_compiler}" = xyes; then 2359 CFLAGS_FOR_TARGET="-g -O2" 2360 else 2361 CFLAGS_FOR_TARGET=$CFLAGS 2362 case " $CFLAGS " in 2363 *" -O2 "*) ;; 2364 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;; 2365 esac 2366 case " $CFLAGS " in 2367 *" -g "* | *" -g3 "*) ;; 2368 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;; 2369 esac 2370 fi 2371fi 2372AC_SUBST(CFLAGS_FOR_TARGET) 2373 2374if test "x$CXXFLAGS_FOR_TARGET" = x; then 2375 if test "x${is_cross_compiler}" = xyes; then 2376 CXXFLAGS_FOR_TARGET="-g -O2" 2377 else 2378 CXXFLAGS_FOR_TARGET=$CXXFLAGS 2379 case " $CXXFLAGS " in 2380 *" -O2 "*) ;; 2381 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;; 2382 esac 2383 case " $CXXFLAGS " in 2384 *" -g "* | *" -g3 "*) ;; 2385 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;; 2386 esac 2387 fi 2388fi 2389AC_SUBST(CXXFLAGS_FOR_TARGET) 2390 2391AC_SUBST(LDFLAGS_FOR_TARGET) 2392 2393# Handle --with-headers=XXX. If the value is not "yes", the contents of 2394# the named directory are copied to $(tooldir)/sys-include. 2395if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then 2396 if test x${is_cross_compiler} = xno ; then 2397 echo 1>&2 '***' --with-headers is only supported when cross compiling 2398 exit 1 2399 fi 2400 if test x"${with_headers}" != xyes ; then 2401 x=${gcc_cv_tool_prefix} 2402 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include" 2403 fi 2404fi 2405 2406# Handle --with-libs=XXX. If the value is not "yes", the contents of 2407# the name directories are copied to $(tooldir)/lib. Multiple directories 2408# are permitted. 2409if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then 2410 if test x${is_cross_compiler} = xno ; then 2411 echo 1>&2 '***' --with-libs is only supported when cross compiling 2412 exit 1 2413 fi 2414 if test x"${with_libs}" != xyes ; then 2415 # Copy the libraries in reverse order, so that files in the first named 2416 # library override files in subsequent libraries. 2417 x=${gcc_cv_tool_prefix} 2418 for l in ${with_libs}; do 2419 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}" 2420 done 2421 fi 2422fi 2423 2424# Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate. 2425# 2426# This is done by determining whether or not the appropriate directory 2427# is available, and by checking whether or not specific configurations 2428# have requested that this magic not happen. 2429# 2430# The command line options always override the explicit settings in 2431# configure.ac, and the settings in configure.ac override this magic. 2432# 2433# If the default for a toolchain is to use GNU as and ld, and you don't 2434# want to do that, then you should use the --without-gnu-as and 2435# --without-gnu-ld options for the configure script. Similarly, if 2436# the default is to use the included zlib and you don't want to do that, 2437# you should use the --with-system-zlib option for the configure script. 2438 2439if test x${use_gnu_as} = x && 2440 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then 2441 with_gnu_as=yes 2442 extra_host_args="$extra_host_args --with-gnu-as" 2443fi 2444 2445if test x${use_gnu_ld} = x && 2446 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then 2447 with_gnu_ld=yes 2448 extra_host_args="$extra_host_args --with-gnu-ld" 2449fi 2450 2451if test x${use_included_zlib} = x && 2452 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then 2453 : 2454else 2455 with_system_zlib=yes 2456 extra_host_args="$extra_host_args --with-system-zlib" 2457fi 2458 2459# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure 2460# can detect this case. 2461 2462if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then 2463 with_newlib=yes 2464 extra_host_args="$extra_host_args --with-newlib" 2465fi 2466 2467# Handle ${copy_dirs} 2468set fnord ${copy_dirs} 2469shift 2470while test $# != 0 ; do 2471 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then 2472 : 2473 else 2474 echo Copying $1 to $2 2475 2476 # Use the install script to create the directory and all required 2477 # parent directories. 2478 if test -d $2 ; then 2479 : 2480 else 2481 echo >config.temp 2482 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED 2483 fi 2484 2485 # Copy the directory, assuming we have tar. 2486 # FIXME: Should we use B in the second tar? Not all systems support it. 2487 (cd $1; tar -cf - .) | (cd $2; tar -xpf -) 2488 2489 # It is the responsibility of the user to correctly adjust all 2490 # symlinks. If somebody can figure out how to handle them correctly 2491 # here, feel free to add the code. 2492 2493 echo $1 > $2/COPIED 2494 fi 2495 shift; shift 2496done 2497 2498# Determine a target-dependent exec_prefix that the installed 2499# gcc will search in. Keep this list sorted by triplet, with 2500# the *-*-osname triplets last. 2501md_exec_prefix= 2502case "${target}" in 2503 i[[34567]]86-pc-msdosdjgpp*) 2504 md_exec_prefix=/dev/env/DJDIR/bin 2505 ;; 2506 *-*-hpux* | \ 2507 *-*-nto-qnx* | \ 2508 *-*-solaris2*) 2509 md_exec_prefix=/usr/ccs/bin 2510 ;; 2511esac 2512 2513extra_arflags_for_target= 2514extra_nmflags_for_target= 2515extra_ranlibflags_for_target= 2516target_makefile_frag=/dev/null 2517case "${target}" in 2518 spu-*-*) 2519 target_makefile_frag="config/mt-spu" 2520 ;; 2521 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*) 2522 target_makefile_frag="config/mt-sde" 2523 ;; 2524 mipsisa*-*-elfoabi*) 2525 target_makefile_frag="config/mt-mips-elfoabi" 2526 ;; 2527 mips*-*-*linux* | mips*-*-gnu*) 2528 target_makefile_frag="config/mt-mips-gnu" 2529 ;; 2530 nios2-*-elf*) 2531 target_makefile_frag="config/mt-nios2-elf" 2532 ;; 2533 *-*-linux-android*) 2534 target_makefile_frag="config/mt-android" 2535 ;; 2536 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 2537 target_makefile_frag="config/mt-gnu" 2538 ;; 2539 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*) 2540 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm 2541 # commands to handle both 32-bit and 64-bit objects. These flags are 2542 # harmless if we're using GNU nm or ar. 2543 extra_arflags_for_target=" -X32_64" 2544 extra_nmflags_for_target=" -B -X32_64" 2545 ;; 2546esac 2547 2548alphaieee_frag=/dev/null 2549case $target in 2550 alpha*-*-*) 2551 # This just makes sure to use the -mieee option to build target libs. 2552 # This should probably be set individually by each library. 2553 alphaieee_frag="config/mt-alphaieee" 2554 ;; 2555esac 2556 2557# If --enable-target-optspace always use -Os instead of -O2 to build 2558# the target libraries, similarly if it is not specified, use -Os 2559# on selected platforms. 2560ospace_frag=/dev/null 2561case "${enable_target_optspace}:${target}" in 2562 yes:*) 2563 ospace_frag="config/mt-ospace" 2564 ;; 2565 :d30v-*) 2566 ospace_frag="config/mt-d30v" 2567 ;; 2568 :m32r-* | :d10v-* | :fr30-* | :i?86*-*-elfiamcu) 2569 ospace_frag="config/mt-ospace" 2570 ;; 2571 no:* | :*) 2572 ;; 2573 *) 2574 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2 2575 ;; 2576esac 2577 2578# Some systems (e.g., one of the i386-aix systems the gas testers are 2579# using) don't handle "\$" correctly, so don't use it here. 2580tooldir='${exec_prefix}'/${target_noncanonical} 2581build_tooldir=${tooldir} 2582 2583# Create a .gdbinit file which runs the one in srcdir 2584# and tells GDB to look there for source files. 2585 2586if test -r ${srcdir}/.gdbinit ; then 2587 case ${srcdir} in 2588 .) ;; 2589 *) cat > ./.gdbinit <<EOF 2590# ${NO_EDIT} 2591dir ${srcdir} 2592dir . 2593source ${srcdir}/.gdbinit 2594EOF 2595 ;; 2596 esac 2597fi 2598 2599# Make sure that the compiler is able to generate an executable. If it 2600# can't, we are probably in trouble. We don't care whether we can run the 2601# executable--we might be using a cross compiler--we only care whether it 2602# can be created. At this point the main configure script has set CC. 2603we_are_ok=no 2604echo "int main () { return 0; }" > conftest.c 2605${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c 2606if test $? = 0 ; then 2607 if test -s conftest || test -s conftest.exe ; then 2608 we_are_ok=yes 2609 fi 2610fi 2611case $we_are_ok in 2612 no) 2613 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed." 2614 echo 1>&2 "*** You must set the environment variable CC to a working compiler." 2615 rm -f conftest* 2616 exit 1 2617 ;; 2618esac 2619rm -f conftest* 2620 2621# Decide which environment variable is used to find dynamic libraries. 2622case "${host}" in 2623 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;; 2624 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;; 2625 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;; 2626 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;; 2627esac 2628 2629# On systems where the dynamic library environment variable is PATH, 2630# gcc/ will put dynamic libraries into a subdirectory to avoid adding 2631# built executables to PATH. 2632if test "$RPATH_ENVVAR" = PATH; then 2633 GCC_SHLIB_SUBDIR=/shlib 2634else 2635 GCC_SHLIB_SUBDIR= 2636fi 2637 2638# Adjust the toplevel makefile according to whether bootstrap was selected. 2639case $enable_bootstrap in 2640 yes) 2641 bootstrap_suffix=bootstrap 2642 BUILD_CONFIG=bootstrap-debug 2643 ;; 2644 no) 2645 bootstrap_suffix=no-bootstrap 2646 BUILD_CONFIG= 2647 ;; 2648esac 2649 2650AC_MSG_CHECKING(for default BUILD_CONFIG) 2651 2652AC_ARG_WITH([build-config], 2653 [AS_HELP_STRING([--with-build-config='NAME NAME2...'], 2654 [use config/NAME.mk build configuration])], 2655 [case $with_build_config in 2656 yes) with_build_config= ;; 2657 no) with_build_config= BUILD_CONFIG= ;; 2658 esac]) 2659 2660if test "x${with_build_config}" != x; then 2661 BUILD_CONFIG=$with_build_config 2662else 2663 case $BUILD_CONFIG in 2664 bootstrap-debug) 2665 if echo "int f (void) { return 0; }" > conftest.c && 2666 ${CC} -c conftest.c && 2667 mv conftest.o conftest.o.g0 && 2668 ${CC} -c -g conftest.c && 2669 mv conftest.o conftest.o.g && 2670 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then 2671 : 2672 else 2673 BUILD_CONFIG= 2674 fi 2675 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g 2676 ;; 2677 esac 2678fi 2679AC_MSG_RESULT($BUILD_CONFIG) 2680AC_SUBST(BUILD_CONFIG) 2681 2682# Use same top-level configure hooks in libgcc/libstdc++/libvtv. 2683AC_MSG_CHECKING([for --enable-vtable-verify]) 2684AC_ARG_ENABLE(vtable-verify, 2685[AS_HELP_STRING([--enable-vtable-verify], 2686 [Enable vtable verification feature])], 2687[case "$enableval" in 2688 yes) enable_vtable_verify=yes ;; 2689 no) enable_vtable_verify=no ;; 2690 *) enable_vtable_verify=no;; 2691 esac], 2692[enable_vtable_verify=no]) 2693AC_MSG_RESULT($enable_vtable_verify) 2694 2695# Record target_configdirs and the configure arguments for target and 2696# build configuration in Makefile. 2697target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'` 2698build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'` 2699bootstrap_fixincludes=no 2700 2701# If we are building libgomp, bootstrap it. 2702if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then 2703 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp, 2704fi 2705 2706# If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan 2707# or bootstrap-ubsan, bootstrap it. 2708if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then 2709 case "$BUILD_CONFIG" in 2710 *bootstrap-asan* | *bootstrap-ubsan* ) 2711 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer, 2712 bootstrap_fixincludes=yes 2713 ;; 2714 esac 2715fi 2716 2717# If we are building libvtv and --enable-vtable-verify, bootstrap it. 2718if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 && 2719 test "$enable_vtable_verify" != no; then 2720 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv, 2721fi 2722 2723# Determine whether gdb needs tk/tcl or not. 2724# Use 'maybe' since enable_gdbtk might be true even if tk isn't available 2725# and in that case we want gdb to be built without tk. Ugh! 2726# In fact I believe gdb is the *only* package directly dependent on tk, 2727# so we should be able to put the 'maybe's in unconditionally and 2728# leave out the maybe dependencies when enable_gdbtk is false. I'm not 2729# 100% sure that that's safe though. 2730 2731gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui" 2732case "$enable_gdbtk" in 2733 no) 2734 GDB_TK="" ;; 2735 yes) 2736 GDB_TK="${gdb_tk}" ;; 2737 *) 2738 # Only add the dependency on gdbtk when GDBtk is part of the gdb 2739 # distro. Eventually someone will fix this and move Insight, nee 2740 # gdbtk to a separate directory. 2741 if test -d ${srcdir}/gdb/gdbtk ; then 2742 GDB_TK="${gdb_tk}" 2743 else 2744 GDB_TK="" 2745 fi 2746 ;; 2747esac 2748CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g` 2749INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g` 2750 2751# Strip out unwanted targets. 2752 2753# While at that, we remove Makefiles if we were started for recursive 2754# configuration, so that the top-level Makefile reconfigures them, 2755# like we used to do when configure itself was recursive. 2756 2757# Loop over modules. We used to use the "$extrasub" feature from Autoconf 2758# but now we're fixing up the Makefile ourselves with the additional 2759# commands passed to AC_CONFIG_FILES. Use separate variables 2760# extrasub-{build,host,target} not because there is any reason to split 2761# the substitutions up that way, but only to remain below the limit of 2762# 99 commands in a script, for HP-UX sed. 2763 2764# Do not nest @if/@endif or @unless/@endunless pairs, because 2765# configure will not warn you at all. 2766 2767case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in 2768 yes:yes:*\ gold\ *:*,c++,*) ;; 2769 yes:yes:*\ gold\ *:*) 2770 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages]) 2771 ;; 2772esac 2773 2774extrasub_build= 2775for module in ${build_configdirs} ; do 2776 if test -z "${no_recursion}" \ 2777 && test -f ${build_subdir}/${module}/Makefile; then 2778 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure" 2779 rm -f ${build_subdir}/${module}/Makefile 2780 fi 2781 extrasub_build="$extrasub_build 2782/^@if build-$module\$/d 2783/^@endif build-$module\$/d 2784/^@unless build-$module\$/,/^@endunless build-$module\$/d 2785/^@if build-$module-$bootstrap_suffix\$/d 2786/^@endif build-$module-$bootstrap_suffix\$/d 2787/^@unless build-$module-$bootstrap_suffix\$/,/^@endunless build-$module-$bootstrap_suffix\$/d" 2788done 2789extrasub_host= 2790for module in ${configdirs} ; do 2791 if test -z "${no_recursion}"; then 2792 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do 2793 if test -f ${file}; then 2794 echo 1>&2 "*** removing ${file} to force reconfigure" 2795 rm -f ${file} 2796 fi 2797 done 2798 fi 2799 case ${module},${bootstrap_fixincludes} in 2800 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;; 2801 *) host_bootstrap_suffix=$bootstrap_suffix ;; 2802 esac 2803 extrasub_host="$extrasub_host 2804/^@if $module\$/d 2805/^@endif $module\$/d 2806/^@unless $module\$/,/^@endunless $module\$/d 2807/^@if $module-$host_bootstrap_suffix\$/d 2808/^@endif $module-$host_bootstrap_suffix\$/d 2809/^@unless $module-$host_bootstrap_suffix\$/,/^@endunless $module-$host_bootstrap_suffix\$/d" 2810done 2811extrasub_target= 2812for module in ${target_configdirs} ; do 2813 if test -z "${no_recursion}" \ 2814 && test -f ${target_subdir}/${module}/Makefile; then 2815 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure" 2816 rm -f ${target_subdir}/${module}/Makefile 2817 fi 2818 2819 # We only bootstrap target libraries listed in bootstrap_target_libs. 2820 case $bootstrap_target_libs in 2821 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;; 2822 *) target_bootstrap_suffix=no-bootstrap ;; 2823 esac 2824 2825 extrasub_target="$extrasub_target 2826/^@if target-$module\$/d 2827/^@endif target-$module\$/d 2828/^@unless target-$module\$/,/^@endunless target-$module\$/d 2829/^@if target-$module-$target_bootstrap_suffix\$/d 2830/^@endif target-$module-$target_bootstrap_suffix\$/d 2831/^@unless target-$module-$target_bootstrap_suffix\$/,/^@endunless target-$module-$target_bootstrap_suffix\$/d" 2832done 2833 2834# Do the final fixup along with target modules. 2835extrasub_target="$extrasub_target 2836/^@if /,/^@endif /d 2837/^@unless /d 2838/^@endunless /d" 2839 2840# Create the serialization dependencies. This uses a temporary file. 2841 2842AC_ARG_ENABLE([serial-configure], 2843[AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]], 2844 [force sequential configuration of 2845 sub-packages for the host, target or build 2846 machine, or all sub-packages])]) 2847 2848case ${enable_serial_configure} in 2849 yes) 2850 enable_serial_build_configure=yes 2851 enable_serial_host_configure=yes 2852 enable_serial_target_configure=yes 2853 ;; 2854esac 2855 2856# These force 'configure's to be done one at a time, to avoid problems 2857# with contention over a shared config.cache. 2858rm -f serdep.tmp 2859echo '# serdep.tmp' > serdep.tmp 2860olditem= 2861test "x${enable_serial_build_configure}" = xyes && 2862for item in ${build_configdirs} ; do 2863 case ${olditem} in 2864 "") ;; 2865 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;; 2866 esac 2867 olditem=${item} 2868done 2869olditem= 2870test "x${enable_serial_host_configure}" = xyes && 2871for item in ${configdirs} ; do 2872 case ${olditem} in 2873 "") ;; 2874 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;; 2875 esac 2876 olditem=${item} 2877done 2878olditem= 2879test "x${enable_serial_target_configure}" = xyes && 2880for item in ${target_configdirs} ; do 2881 case ${olditem} in 2882 "") ;; 2883 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;; 2884 esac 2885 olditem=${item} 2886done 2887serialization_dependencies=serdep.tmp 2888AC_SUBST_FILE(serialization_dependencies) 2889 2890# Base args. Strip norecursion, cache-file, srcdir, host, build, 2891# target, nonopt, and variable assignments. These are the ones we 2892# might not want to pass down to subconfigures. The exception being 2893# --cache-file=/dev/null, which is used to turn off the use of cache 2894# files altogether, and which should be passed on to subconfigures. 2895# Also strip program-prefix, program-suffix, and program-transform-name, 2896# so that we can pass down a consistent program-transform-name. 2897baseargs= 2898tbaseargs= 2899keep_next=no 2900skip_next=no 2901eval "set -- $ac_configure_args" 2902for ac_arg 2903do 2904 if test X"$skip_next" = X"yes"; then 2905 skip_next=no 2906 continue 2907 fi 2908 if test X"$keep_next" = X"yes"; then 2909 case $ac_arg in 2910 *\'*) 2911 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; 2912 esac 2913 baseargs="$baseargs '$ac_arg'" 2914 tbaseargs="$tbaseargs '$ac_arg'" 2915 keep_next=no 2916 continue 2917 fi 2918 2919 # Handle separated arguments. Based on the logic generated by 2920 # autoconf 2.59. 2921 case $ac_arg in 2922 *=* | --config-cache | -C | -disable-* | --disable-* \ 2923 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \ 2924 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \ 2925 | -with-* | --with-* | -without-* | --without-* | --x) 2926 separate_arg=no 2927 ;; 2928 -*) 2929 separate_arg=yes 2930 ;; 2931 *) 2932 separate_arg=no 2933 ;; 2934 esac 2935 2936 skip_targ=no 2937 case $ac_arg in 2938changequote(,) 2939 --with-* | --without-*) 2940 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'` 2941 2942 case $libopt in 2943 *[-_]include) 2944 lib=`echo "$libopt" | sed 's,[-_]include$,,'` 2945 ;; 2946 *[-_]lib) 2947 lib=`echo "$libopt" | sed 's,[-_]lib$,,'` 2948 ;; 2949 *) 2950 lib=$libopt 2951 ;; 2952 esac 2953changequote([,]) 2954 2955 case $lib in 2956 mpc | mpfr | gmp | isl) 2957 # If we're processing --with-$lib, --with-$lib-include or 2958 # --with-$lib-lib, for one of the libs above, and target is 2959 # different from host, don't pass the current argument to any 2960 # target library's configure. 2961 if test x$is_cross_compiler = xyes; then 2962 skip_targ=yes 2963 fi 2964 ;; 2965 esac 2966 ;; 2967 esac 2968 2969 case "$ac_arg" in 2970 --cache-file=/dev/null | \ 2971 -cache-file=/dev/null ) 2972 # Handled here to avoid the test to skip args below. 2973 baseargs="$baseargs '$ac_arg'" 2974 tbaseargs="$tbaseargs '$ac_arg'" 2975 # Assert: $separate_arg should always be no. 2976 keep_next=$separate_arg 2977 ;; 2978 --no*) 2979 continue 2980 ;; 2981 --c* | \ 2982 --sr* | \ 2983 --ho* | \ 2984 --bu* | \ 2985 --t* | \ 2986 --program-* | \ 2987 -cache_file* | \ 2988 -srcdir* | \ 2989 -host* | \ 2990 -build* | \ 2991 -target* | \ 2992 -program-prefix* | \ 2993 -program-suffix* | \ 2994 -program-transform-name* ) 2995 skip_next=$separate_arg 2996 continue 2997 ;; 2998 -*) 2999 # An option. Add it. 3000 case $ac_arg in 3001 *\'*) 3002 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; 3003 esac 3004 baseargs="$baseargs '$ac_arg'" 3005 if test X"$skip_targ" = Xno; then 3006 tbaseargs="$tbaseargs '$ac_arg'" 3007 fi 3008 keep_next=$separate_arg 3009 ;; 3010 *) 3011 # Either a variable assignment, or a nonopt (triplet). Don't 3012 # pass it down; let the Makefile handle this. 3013 continue 3014 ;; 3015 esac 3016done 3017# Remove the initial space we just introduced and, as these will be 3018# expanded by make, quote '$'. 3019baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'` 3020 3021# Add in --program-transform-name, after --program-prefix and 3022# --program-suffix have been applied to it. Autoconf has already 3023# doubled dollar signs and backslashes in program_transform_name; we want 3024# the backslashes un-doubled, and then the entire thing wrapped in single 3025# quotes, because this will be expanded first by make and then by the shell. 3026# Also, because we want to override the logic in subdir configure scripts to 3027# choose program_transform_name, replace any s,x,x, with s,y,y,. 3028sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out 3029${program_transform_name} 3030EOF_SED 3031gcc_transform_name=`cat conftestsed.out` 3032rm -f conftestsed.out 3033baseargs="$baseargs --program-transform-name='${gcc_transform_name}'" 3034tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'" 3035if test "$silent" = yes; then 3036 baseargs="$baseargs --silent" 3037 tbaseargs="$tbaseargs --silent" 3038fi 3039baseargs="$baseargs --disable-option-checking" 3040tbaseargs="$tbaseargs --disable-option-checking" 3041 3042# Record and document user additions to sub configure arguments. 3043AC_ARG_VAR([build_configargs], 3044 [additional configure arguments for build directories]) 3045AC_ARG_VAR([host_configargs], 3046 [additional configure arguments for host directories]) 3047AC_ARG_VAR([target_configargs], 3048 [additional configure arguments for target directories]) 3049 3050# For the build-side libraries, we just need to pretend we're native, 3051# and not use the same cache file. Multilibs are neither needed nor 3052# desired. We can't even use the same cache file for all build-side 3053# libraries, as they're compiled differently; some with C, some with 3054# C++ or with different feature-enabling options. 3055build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}" 3056 3057# For host modules, accept cache file option, or specification as blank. 3058case "${cache_file}" in 3059"") # empty 3060 cache_file_option="" ;; 3061/* | [[A-Za-z]]:[[\\/]]* ) # absolute path 3062 cache_file_option="--cache-file=${cache_file}" ;; 3063*) # relative path 3064 cache_file_option="--cache-file=../${cache_file}" ;; 3065esac 3066 3067# Host dirs don't like to share a cache file either, horribly enough. 3068# This seems to be due to autoconf 2.5x stupidity. 3069host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}" 3070 3071target_configargs="$target_configargs ${tbaseargs}" 3072 3073# Passing a --with-cross-host argument lets the target libraries know 3074# whether they are being built with a cross-compiler or being built 3075# native. However, it would be better to use other mechanisms to make the 3076# sorts of decisions they want to make on this basis. Please consider 3077# this option to be deprecated. FIXME. 3078if test x${is_cross_compiler} = xyes ; then 3079 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}" 3080fi 3081 3082# Special user-friendly check for native x86_64-linux build, if 3083# multilib is not explicitly enabled. 3084case "$target:$have_compiler:$host:$target:$enable_multilib" in 3085 x86_64-*linux*:yes:$build:$build:) 3086 # Make sure we have a development environment that handles 32-bit 3087 dev64=no 3088 echo "int main () { return 0; }" > conftest.c 3089 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c 3090 if test $? = 0 ; then 3091 if test -s conftest || test -s conftest.exe ; then 3092 dev64=yes 3093 fi 3094 fi 3095 rm -f conftest* 3096 if test x${dev64} != xyes ; then 3097 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.]) 3098 fi 3099 ;; 3100esac 3101 3102# Default to --enable-multilib. 3103if test x${enable_multilib} = x ; then 3104 target_configargs="--enable-multilib ${target_configargs}" 3105fi 3106 3107# Pass --with-newlib if appropriate. Note that target_configdirs has 3108# changed from the earlier setting of with_newlib. 3109if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then 3110 target_configargs="--with-newlib ${target_configargs}" 3111fi 3112 3113# Different target subdirs use different values of certain variables 3114# (notably CXX). Worse, multilibs use *lots* of different values. 3115# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that 3116# it doesn't automatically accept command-line overrides of them. 3117# This means it's not safe for target subdirs to share a cache file, 3118# which is disgusting, but there you have it. Hopefully this can be 3119# fixed in future. It's still worthwhile to use a cache file for each 3120# directory. I think. 3121 3122# Pass the appropriate --build, --host, --target and --cache-file arguments. 3123# We need to pass --target, as newer autoconf's requires consistency 3124# for target_alias and gcc doesn't manage it consistently. 3125target_configargs="--cache-file=./config.cache ${target_configargs}" 3126 3127FLAGS_FOR_TARGET= 3128case " $target_configdirs " in 3129 *" newlib "*) 3130 case " $target_configargs " in 3131 *" --with-newlib "*) 3132 case "$target" in 3133 *-cygwin*) 3134 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include' 3135 ;; 3136 esac 3137 3138 # If we're not building GCC, don't discard standard headers. 3139 if test -d ${srcdir}/gcc; then 3140 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc' 3141 3142 if test "${build}" != "${host}"; then 3143 # On Canadian crosses, CC_FOR_TARGET will have already been set 3144 # by `configure', so we won't have an opportunity to add -Bgcc/ 3145 # to it. This is right: we don't want to search that directory 3146 # for binaries, but we want the header files in there, so add 3147 # them explicitly. 3148 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed' 3149 3150 # Someone might think of using the pre-installed headers on 3151 # Canadian crosses, in case the installed compiler is not fully 3152 # compatible with the compiler being built. In this case, it 3153 # would be better to flag an error than risking having 3154 # incompatible object files being constructed. We can't 3155 # guarantee that an error will be flagged, but let's hope the 3156 # compiler will do it, when presented with incompatible header 3157 # files. 3158 fi 3159 fi 3160 3161 case "${target}-${is_cross_compiler}" in 3162 i[[3456789]]86-*-linux*-no) 3163 # Here host == target, so we don't need to build gcc, 3164 # so we don't want to discard standard headers. 3165 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'` 3166 ;; 3167 *) 3168 # If we're building newlib, use its generic headers last, but search 3169 # for any libc-related directories first (so make it the last -B 3170 # switch). 3171 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include' 3172 3173 # If we're building libgloss, find the startup file, simulator library 3174 # and linker script. 3175 case " $target_configdirs " in 3176 *" libgloss "*) 3177 # Look for startup file, simulator library and maybe linker script. 3178 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir" 3179 # Look for libnosys.a in case the target needs it. 3180 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys' 3181 # Most targets have the linker script in the source directory. 3182 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir" 3183 ;; 3184 esac 3185 ;; 3186 esac 3187 ;; 3188 esac 3189 ;; 3190esac 3191 3192case "$target" in 3193 x86_64-*mingw* | *-w64-mingw*) 3194 # MinGW-w64 does not use newlib, nor does it use winsup. It may, 3195 # however, use a symlink named 'mingw' in ${prefix} . 3196 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include' 3197 ;; 3198 *-mingw*) 3199 # MinGW can't be handled as Cygwin above since it does not use newlib. 3200 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include' 3201 ;; 3202esac 3203 3204# Allow the user to override the flags for 3205# our build compiler if desired. 3206if test x"${build}" = x"${host}" ; then 3207 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}} 3208 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}} 3209 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}} 3210fi 3211 3212# On Canadian crosses, we'll be searching the right directories for 3213# the previously-installed cross compiler, so don't bother to add 3214# flags for directories within the install tree of the compiler 3215# being built; programs in there won't even run. 3216if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then 3217 # Search for pre-installed headers if nothing else fits. 3218 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include' 3219fi 3220 3221if test "x${use_gnu_ld}" = x && 3222 echo " ${configdirs} " | grep " ld " > /dev/null ; then 3223 # Arrange for us to find uninstalled linker scripts. 3224 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld' 3225fi 3226 3227# Search for other target-specific linker scripts and such. 3228case "${target}" in 3229 mep*) 3230 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary" 3231 ;; 3232esac 3233 3234# Makefile fragments. 3235for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag; 3236do 3237 eval fragval=\$$frag 3238 if test $fragval != /dev/null; then 3239 eval $frag=${srcdir}/$fragval 3240 fi 3241done 3242AC_SUBST_FILE(host_makefile_frag) 3243AC_SUBST_FILE(target_makefile_frag) 3244AC_SUBST_FILE(alphaieee_frag) 3245AC_SUBST_FILE(ospace_frag) 3246 3247# Miscellanea: directories, flags, etc. 3248AC_SUBST(RPATH_ENVVAR) 3249AC_SUBST(GCC_SHLIB_SUBDIR) 3250AC_SUBST(tooldir) 3251AC_SUBST(build_tooldir) 3252AC_SUBST(CONFIGURE_GDB_TK) 3253AC_SUBST(GDB_TK) 3254AC_SUBST(INSTALL_GDB_TK) 3255 3256# Build module lists & subconfigure args. 3257AC_SUBST(build_configargs) 3258AC_SUBST(build_configdirs) 3259 3260# Host module lists & subconfigure args. 3261AC_SUBST(host_configargs) 3262AC_SUBST(configdirs) 3263AC_SUBST(target_configdirs) 3264 3265# Target module lists & subconfigure args. 3266AC_SUBST(target_configargs) 3267 3268 3269# Build tools. 3270AC_SUBST(AR_FOR_BUILD) 3271AC_SUBST(AS_FOR_BUILD) 3272AC_SUBST(CC_FOR_BUILD) 3273AC_SUBST(CFLAGS_FOR_BUILD) 3274AC_SUBST(CXXFLAGS_FOR_BUILD) 3275AC_SUBST(CXX_FOR_BUILD) 3276AC_SUBST(DLLTOOL_FOR_BUILD) 3277AC_SUBST(GFORTRAN_FOR_BUILD) 3278AC_SUBST(GOC_FOR_BUILD) 3279AC_SUBST(GDC_FOR_BUILD) 3280AC_SUBST(LDFLAGS_FOR_BUILD) 3281AC_SUBST(LD_FOR_BUILD) 3282AC_SUBST(NM_FOR_BUILD) 3283AC_SUBST(RANLIB_FOR_BUILD) 3284AC_SUBST(WINDMC_FOR_BUILD) 3285AC_SUBST(WINDRES_FOR_BUILD) 3286 3287# Generate default definitions for YACC, M4, LEX and other programs that run 3288# on the build machine. These are used if the Makefile can't locate these 3289# programs in objdir. 3290MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing 3291 3292AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y]) 3293case " $build_configdirs " in 3294 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;; 3295esac 3296 3297AC_CHECK_PROGS([BISON], [bison], [$MISSING bison]) 3298case " $build_configdirs " in 3299 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;; 3300esac 3301 3302AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4]) 3303case " $build_configdirs " in 3304 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;; 3305esac 3306 3307AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex]) 3308case " $build_configdirs " in 3309 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;; 3310 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;; 3311esac 3312 3313AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex]) 3314case " $build_configdirs " in 3315 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;; 3316esac 3317 3318AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo]) 3319case " $build_configdirs " in 3320 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;; 3321 *) 3322changequote(,) 3323 # For an installed makeinfo, we require it to be from texinfo 4.7 or 3324 # higher, else we use the "missing" dummy. 3325 if ${MAKEINFO} --version \ 3326 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then 3327 : 3328 else 3329 MAKEINFO="$MISSING makeinfo" 3330 fi 3331 ;; 3332changequote([,]) 3333esac 3334 3335# FIXME: expect and dejagnu may become build tools? 3336 3337AC_CHECK_PROGS(EXPECT, expect, expect) 3338case " $configdirs " in 3339 *" expect "*) 3340 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect' 3341 ;; 3342esac 3343 3344AC_CHECK_PROGS(RUNTEST, runtest, runtest) 3345case " $configdirs " in 3346 *" dejagnu "*) 3347 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest' 3348 ;; 3349esac 3350 3351 3352# Host tools. 3353NCN_STRICT_CHECK_TOOLS(AR, ar) 3354NCN_STRICT_CHECK_TOOLS(AS, as) 3355NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool) 3356NCN_STRICT_CHECK_TOOLS(LD, ld) 3357NCN_STRICT_CHECK_TOOLS(LIPO, lipo) 3358NCN_STRICT_CHECK_TOOLS(NM, nm) 3359NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true) 3360NCN_STRICT_CHECK_TOOLS(STRIP, strip, true) 3361NCN_STRICT_CHECK_TOOLS(WINDRES, windres) 3362NCN_STRICT_CHECK_TOOLS(WINDMC, windmc) 3363NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy) 3364NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump) 3365NCN_STRICT_CHECK_TOOLS(OTOOL, otool) 3366NCN_STRICT_CHECK_TOOLS(READELF, readelf) 3367AC_SUBST(CC) 3368AC_SUBST(CXX) 3369AC_SUBST(CFLAGS) 3370AC_SUBST(CXXFLAGS) 3371 3372# Target tools. 3373AC_ARG_WITH([build-time-tools], 3374 [AS_HELP_STRING([--with-build-time-tools=PATH], 3375 [use given path to find target tools during the build])], 3376 [case x"$withval" in 3377 x/*) ;; 3378 *) 3379 with_build_time_tools= 3380 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path]) 3381 ;; 3382 esac], 3383 [with_build_time_tools=]) 3384 3385NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc) 3386NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx) 3387NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET}) 3388NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran) 3389NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo) 3390NCN_STRICT_CHECK_TARGET_TOOLS(GDC_FOR_TARGET, gdc) 3391 3392ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar) 3393ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as) 3394ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool) 3395ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld) 3396ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo) 3397ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm) 3398ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy) 3399ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump) 3400ACX_CHECK_INSTALLED_TARGET_TOOL(OTOOL_FOR_TARGET, otool) 3401ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib) 3402ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf) 3403ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip) 3404ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres) 3405ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc) 3406 3407RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET" 3408 3409GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar]) 3410GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new]) 3411GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) 3412dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS 3413GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX, 3414 [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], 3415 c++) 3416GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX, 3417 [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], 3418 c++) 3419GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool]) 3420GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) 3421GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN, 3422 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran) 3423GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC, 3424 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go) 3425GCC_TARGET_TOOL(gdc, GDC_FOR_TARGET, GDC, 3426 [gcc/gdc -B$$r/$(HOST_SUBDIR)/gcc/], d) 3427GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new]) 3428GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO) 3429GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new]) 3430GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy]) 3431GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump]) 3432GCC_TARGET_TOOL(otool, OTOOL_FOR_TARGET, OTOOL) 3433GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib]) 3434GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf]) 3435GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new]) 3436GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres]) 3437GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc]) 3438 3439AC_SUBST(FLAGS_FOR_TARGET) 3440AC_SUBST(RAW_CXX_FOR_TARGET) 3441 3442# Certain tools may need extra flags. 3443AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target} 3444RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target} 3445NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target} 3446 3447# When building target libraries, except in a Canadian cross, we use 3448# the same toolchain as the compiler we just built. 3449COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)' 3450COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)' 3451COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)' 3452if test $host = $build; then 3453 case " $configdirs " in 3454 *" gcc "*) 3455 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as' 3456 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld' 3457 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target} 3458 ;; 3459 esac 3460fi 3461 3462AC_SUBST(COMPILER_AS_FOR_TARGET) 3463AC_SUBST(COMPILER_LD_FOR_TARGET) 3464AC_SUBST(COMPILER_NM_FOR_TARGET) 3465 3466AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) 3467AC_ARG_ENABLE(maintainer-mode, 3468[AS_HELP_STRING([--enable-maintainer-mode], 3469 [enable make rules and dependencies not useful 3470 (and sometimes confusing) to the casual installer])], 3471 USE_MAINTAINER_MODE=$enableval, 3472 USE_MAINTAINER_MODE=no) 3473AC_MSG_RESULT($USE_MAINTAINER_MODE) 3474AC_SUBST(MAINTAINER_MODE_TRUE) 3475AC_SUBST(MAINTAINER_MODE_FALSE) 3476if test "$USE_MAINTAINER_MODE" = yes; then 3477 MAINTAINER_MODE_TRUE= 3478 MAINTAINER_MODE_FALSE='#' 3479else 3480 MAINTAINER_MODE_TRUE='#' 3481 MAINTAINER_MODE_FALSE= 3482fi 3483MAINT=$MAINTAINER_MODE_TRUE 3484AC_SUBST(MAINT)dnl 3485 3486# --------------------- 3487# GCC bootstrap support 3488# --------------------- 3489 3490# Stage specific cflags for build. 3491stage1_cflags="-g" 3492case $build in 3493 vax-*-*) 3494 case ${GCC} in 3495 yes) stage1_cflags="-g -Wa,-J" ;; 3496 *) stage1_cflags="-g -J" ;; 3497 esac ;; 3498esac 3499 3500AC_SUBST(stage1_cflags) 3501 3502# Enable --enable-checking in stage1 of the compiler. 3503AC_ARG_ENABLE(stage1-checking, 3504[AS_HELP_STRING([[--enable-stage1-checking[=all]]], 3505 [choose additional checking for stage1 of the compiler])], 3506[stage1_checking=--enable-checking=${enable_stage1_checking}], 3507[if test "x$enable_checking" = xno || test "x$enable_checking" = x; then 3508 # For --disable-checking or implicit --enable-checking=release, avoid 3509 # setting --enable-checking=gc in the default stage1 checking for LTO 3510 # bootstraps. See PR62077. 3511 case $BUILD_CONFIG in 3512 *lto*) 3513 stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types;; 3514 *) 3515 stage1_checking=--enable-checking=yes,types;; 3516 esac 3517 if test "x$enable_checking" = x && \ 3518 test -d ${srcdir}/gcc && \ 3519 test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then 3520 stage1_checking=--enable-checking=yes,types,extra 3521 fi 3522else 3523 stage1_checking=--enable-checking=$enable_checking,types 3524fi]) 3525AC_SUBST(stage1_checking) 3526 3527# Enable -Werror in bootstrap stage2 and later. 3528AC_ARG_ENABLE(werror, 3529[AS_HELP_STRING([--enable-werror], 3530 [enable -Werror in bootstrap stage2 and later])], 3531[ 3532case ${enable_werror} in 3533 yes) stage2_werror_flag="--enable-werror-always" ;; 3534 *) stage2_werror_flag="" ;; 3535esac 3536], 3537[ 3538if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then 3539 case $BUILD_CONFIG in 3540 bootstrap-debug) 3541 stage2_werror_flag="--enable-werror-always" ;; 3542 "") 3543 stage2_werror_flag="--enable-werror-always" ;; 3544 esac 3545fi 3546]) 3547 3548AC_SUBST(stage2_werror_flag) 3549 3550# Specify what files to not compare during bootstrap. 3551 3552compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*" 3553case "$target" in 3554 hppa*64*-*-hpux*) ;; 3555 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/* | gcc/function-tests.o" ;; 3556 powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;; 3557esac 3558AC_SUBST(compare_exclusions) 3559 3560AC_CONFIG_FILES([Makefile], 3561 [sed "$extrasub_build" Makefile | 3562 sed "$extrasub_host" | 3563 sed "$extrasub_target" > mf$$ 3564 mv -f mf$$ Makefile], 3565 [extrasub_build="$extrasub_build" 3566 extrasub_host="$extrasub_host" 3567 extrasub_target="$extrasub_target"]) 3568AC_OUTPUT 3569