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, 2019, 2022 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(config/ax_cxx_compile_stdcxx.m4) 27m4_include([libtool.m4]) 28m4_include([ltoptions.m4]) 29m4_include([ltsugar.m4]) 30m4_include([ltversion.m4]) 31m4_include([lt~obsolete.m4]) 32m4_include([config/isl.m4]) 33 34AC_INIT(move-if-change) 35AC_DISABLE_OPTION_CHECKING 36 37progname=$0 38# if PWD already has a value, it is probably wrong. 39if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi 40 41# Export original configure arguments for use by sub-configures. 42# Quote arguments with shell meta charatcers. 43TOPLEVEL_CONFIGURE_ARGUMENTS= 44set -- "$progname" "$@" 45for ac_arg 46do 47 case "$ac_arg" in 48 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*) 49 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` 50 # if the argument is of the form -foo=baz, quote the baz part only 51 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;; 52 *) ;; 53 esac 54 # Add the quoted argument to the list. 55 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg" 56done 57if test "$silent" = yes; then 58 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent" 59fi 60# Remove the initial space we just introduced and, as these will be 61# expanded by make, quote '$'. 62TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'` 63AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS) 64 65# Find the build, host, and target systems. 66ACX_NONCANONICAL_BUILD 67ACX_NONCANONICAL_HOST 68ACX_NONCANONICAL_TARGET 69 70dnl Autoconf 2.5x and later will set a default program prefix if 71dnl --target was used, even if it was the same as --host. Disable 72dnl that behavior. This must be done before AC_CANONICAL_SYSTEM 73dnl to take effect. 74test "$host_noncanonical" = "$target_noncanonical" && 75 test "$program_prefix$program_suffix$program_transform_name" = \ 76 NONENONEs,x,x, && 77 program_transform_name=s,y,y, 78 79AC_CANONICAL_SYSTEM 80AC_ARG_PROGRAM 81 82m4_pattern_allow([^AS_FOR_TARGET$])dnl 83m4_pattern_allow([^AS_FOR_BUILD$])dnl 84 85# Get 'install' or 'install-sh' and its variants. 86AC_PROG_INSTALL 87ACX_PROG_LN 88AC_PROG_LN_S 89AC_PROG_SED 90AC_PROG_AWK 91 92srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}` 93 94# We pass INSTALL explicitly to sub-makes. Make sure that it is not 95# a relative path. 96if test "$INSTALL" = "${srcdir}/install-sh -c"; then 97 INSTALL="${srcpwd}/install-sh -c" 98fi 99 100# Set srcdir to "." if that's what it is. 101# This is important for multilib support. 102pwd=`${PWDCMD-pwd}` 103if test "${pwd}" = "${srcpwd}" ; then 104 srcdir=. 105fi 106 107topsrcdir=$srcpwd 108 109extra_host_args= 110 111### To add a new directory to the tree, first choose whether it is a target 112### or a host dependent tool. Then put it into the appropriate list 113### (library or tools, host or target), doing a dependency sort. 114 115# Subdirs will be configured in the order listed in build_configdirs, 116# configdirs, or target_configdirs; see the serialization section below. 117 118# Dependency sorting is only needed when *configuration* must be done in 119# a particular order. In all cases a dependency should be specified in 120# the Makefile, whether or not it's implicitly specified here. 121 122# Double entries in build_configdirs, configdirs, or target_configdirs may 123# cause circular dependencies and break everything horribly. 124 125# these library is used by various programs built for the build 126# environment 127# 128build_libs="build-libiberty build-libcpp" 129 130# these tools are built for the build environment 131build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes" 132 133# these libraries are used by various programs built for the host environment 134#f 135host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libcody libdecnumber gmp mpfr mpc isl libelf libiconv libctf" 136 137# these tools are built for the host environment 138# Note, the powerpc-eabi build depends on sim occurring before gdb in order to 139# know that we are building the simulator. 140# binutils, gas and ld appear in that order because it makes sense to run 141# "make check" in that particular order. 142# If --enable-gold is used, "gold" may replace "ld". 143host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gdbserver gprof etc expect dejagnu m4 utils guile fastjar gnattools libcc1 gotools c++tools" 144 145# these libraries are built for the target environment, and are built after 146# the host libraries and the host tools (which may be a cross compiler) 147# Note that libiberty is not a target library. 148target_libraries="target-libgcc \ 149 target-libbacktrace \ 150 target-libgloss \ 151 target-newlib \ 152 target-libgomp \ 153 target-liboffloadmic \ 154 target-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 302AC_ARG_ENABLE(offload-defaulted, 303[AS_HELP_STRING([--enable-offload-defaulted] 304 [If enabled, configured but not installed offload compilers and 305 libgomp plugins are silently ignored. Useful for distribution 306 compilers where those are in separate optional packages.])], 307[enable_offload_defaulted=$enableval], 308[enable_offload_defaulted=]) 309 310# Handle --enable-gold, --enable-ld. 311# --disable-gold [--enable-ld] 312# Build only ld. Default option. 313# --enable-gold [--enable-ld] 314# Build both gold and ld. Install gold as "ld.gold", install ld 315# as "ld.bfd" and "ld". 316# --enable-gold=default [--enable-ld] 317# Build both gold and ld. Install gold as "ld.gold" and "ld", 318# install ld as "ld.bfd". 319# --enable-gold[=default] --disable-ld 320# Build only gold, which is then installed as both "ld.gold" and "ld". 321# --enable-gold --enable-ld=default 322# Build both gold (installed as "ld.gold") and ld (installed as "ld" 323# and ld.bfd). 324# In other words, ld is default 325# --enable-gold=default --enable-ld=default 326# Error. 327 328default_ld= 329AC_ARG_ENABLE(gold, 330[AS_HELP_STRING([[--enable-gold[=ARG]]], 331 [build gold @<:@ARG={default,yes,no}@:>@])], 332ENABLE_GOLD=$enableval, 333ENABLE_GOLD=no) 334case "${ENABLE_GOLD}" in 335 yes|default) 336 # Check for ELF target. 337 is_elf=no 338 case "${target}" in 339 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \ 340 | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \ 341 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \ 342 | *-*-solaris2* | *-*-nto* | *-*-nacl*) 343 case "${target}" in 344 *-*-linux*aout* | *-*-linux*oldld*) 345 ;; 346 *) 347 is_elf=yes 348 ;; 349 esac 350 esac 351 352 if test "$is_elf" = "yes"; then 353 # Check for target supported by gold. 354 case "${target}" in 355 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \ 356 | aarch64*-*-* | tilegx*-*-* | mips*-*-* | s390*-*-* | loongarch*-*-*) 357 configdirs="$configdirs gold" 358 if test x${ENABLE_GOLD} = xdefault; then 359 default_ld=gold 360 fi 361 ENABLE_GOLD=yes 362 ;; 363 esac 364 fi 365 ;; 366 no) 367 ;; 368 *) 369 AC_MSG_ERROR([invalid --enable-gold argument]) 370 ;; 371esac 372 373AC_ARG_ENABLE(ld, 374[AS_HELP_STRING([[--enable-ld[=ARG]]], 375 [build ld @<:@ARG={default,yes,no}@:>@])], 376ENABLE_LD=$enableval, 377ENABLE_LD=yes) 378 379case "${ENABLE_LD}" in 380 default) 381 if test x${default_ld} != x; then 382 AC_MSG_ERROR([either gold or ld can be the default ld]) 383 fi 384 ;; 385 yes) 386 ;; 387 no) 388 if test x${ENABLE_GOLD} != xyes; then 389 AC_MSG_WARN([neither ld nor gold are enabled]) 390 fi 391 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'` 392 ;; 393 *) 394 AC_MSG_ERROR([invalid --enable-ld argument]) 395 ;; 396esac 397 398# PR gas/19109 399# Decide the default method for compressing debug sections. 400# Provide a configure time option to override our default. 401AC_ARG_ENABLE(compressed_debug_sections, 402[AS_HELP_STRING([--enable-compressed-debug-sections={all,gas,gold,ld,none}], 403 [Enable compressed debug sections for gas, gold or ld by 404 default])], 405[ 406 if test x"$enable_compressed_debug_sections" = xyes; then 407 AC_MSG_ERROR([no program with compressed debug sections specified]) 408 fi 409], [enable_compressed_debug_sections=]) 410 411# Configure extra directories which are host specific 412 413case "${host}" in 414 *-cygwin*) 415 configdirs="$configdirs libtermcap" ;; 416esac 417 418# A target can indicate whether a language isn't supported for some reason. 419# Only spaces may be used in this macro; not newlines or tabs. 420unsupported_languages= 421 422# Remove more programs from consideration, based on the host or 423# target this usually means that a port of the program doesn't 424# exist yet. 425 426case "${host}" in 427 i[[3456789]]86-*-msdosdjgpp*) 428 noconfigdirs="$noconfigdirs tcl tk itcl" 429 ;; 430esac 431 432 433AC_ARG_ENABLE(libquadmath, 434AS_HELP_STRING([--disable-libquadmath], 435 [do not build libquadmath directory]), 436ENABLE_LIBQUADMATH=$enableval, 437ENABLE_LIBQUADMATH=yes) 438if test "${ENABLE_LIBQUADMATH}" = "no" ; then 439 noconfigdirs="$noconfigdirs target-libquadmath" 440fi 441 442 443AC_ARG_ENABLE(libquadmath-support, 444AS_HELP_STRING([--disable-libquadmath-support], 445 [disable libquadmath support for Fortran]), 446ENABLE_LIBQUADMATH_SUPPORT=$enableval, 447ENABLE_LIBQUADMATH_SUPPORT=yes) 448enable_libquadmath_support= 449if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then 450 enable_libquadmath_support=no 451fi 452 453 454AC_ARG_ENABLE(libada, 455[AS_HELP_STRING([--enable-libada], [build libada directory])], 456ENABLE_LIBADA=$enableval, 457ENABLE_LIBADA=yes) 458if test "${ENABLE_LIBADA}" != "yes" ; then 459 noconfigdirs="$noconfigdirs gnattools" 460fi 461 462AC_ARG_ENABLE(libssp, 463[AS_HELP_STRING([--enable-libssp], [build libssp directory])], 464ENABLE_LIBSSP=$enableval, 465ENABLE_LIBSSP=yes) 466 467AC_ARG_ENABLE(libstdcxx, 468AS_HELP_STRING([--disable-libstdcxx], 469 [do not build libstdc++-v3 directory]), 470ENABLE_LIBSTDCXX=$enableval, 471ENABLE_LIBSTDCXX=default) 472[if test "${ENABLE_LIBSTDCXX}" = "no" ; then 473 noconfigdirs="$noconfigdirs target-libstdc++-v3" 474fi] 475 476# If this is accelerator compiler and its target is intelmic we enable 477# target liboffloadmic by default. If this is compiler with offloading 478# for intelmic we enable host liboffloadmic by default. Otherwise 479# liboffloadmic is disabled by default. 480AC_ARG_ENABLE([liboffloadmic], 481AC_HELP_STRING([[--enable-liboffloadmic[=ARG]]], 482 [build liboffloadmic @<:@ARG={no,host,target}@:>@]), 483[case "$enableval" in 484 no | host | target) 485 enable_liboffloadmic=$enableval ;; 486 *) 487 AC_MSG_ERROR([--enable-liboffloadmic=no/host/target]) ;; 488esac], 489[if test x"$enable_as_accelerator_for" != x; then 490 case "${target}" in 491 *-intelmic-* | *-intelmicemul-*) 492 enable_liboffloadmic=target 493 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=target" 494 ;; 495 *) 496 enable_liboffloadmic=no 497 ;; 498 esac 499else 500 case "${enable_offload_targets}" in 501 *-intelmic-* | *-intelmicemul-*) 502 enable_liboffloadmic=host 503 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=host" 504 ;; 505 *) 506 enable_liboffloadmic=no 507 ;; 508 esac 509fi]) 510AC_SUBST(extra_liboffloadmic_configure_flags) 511 512# Enable libgomp by default on hosted POSIX systems, and a few others. 513if test x$enable_libgomp = x ; then 514 case "${target}" in 515 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 516 ;; 517 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*) 518 ;; 519 *-*-solaris2* | *-*-hpux11*) 520 ;; 521 *-*-darwin* | *-*-aix*) 522 ;; 523 nvptx*-*-* | amdgcn*-*-*) 524 ;; 525 *) 526 noconfigdirs="$noconfigdirs target-libgomp" 527 ;; 528 esac 529fi 530 531# Disable libatomic on unsupported systems. 532if test -d ${srcdir}/libatomic; then 533 if test x$enable_libatomic = x; then 534 AC_MSG_CHECKING([for libatomic support]) 535 if (srcdir=${srcdir}/libatomic; \ 536 . ${srcdir}/configure.tgt; \ 537 test -n "$UNSUPPORTED") 538 then 539 AC_MSG_RESULT([no]) 540 noconfigdirs="$noconfigdirs target-libatomic" 541 else 542 AC_MSG_RESULT([yes]) 543 fi 544 fi 545fi 546 547# Disable liboffloadmic on unsupported systems. 548if test -d ${srcdir}/liboffloadmic; then 549 if test x$enable_liboffloadmic != xno; then 550 AC_MSG_CHECKING([for liboffloadmic support]) 551 if (srcdir=${srcdir}/liboffloadmic; \ 552 . ${srcdir}/configure.tgt; \ 553 test -n "$UNSUPPORTED") 554 then 555 AC_MSG_RESULT([no]) 556 noconfigdirs="$noconfigdirs target-liboffloadmic" 557 else 558 AC_MSG_RESULT([yes]) 559 fi 560 fi 561fi 562 563# Disable libitm on unsupported systems. 564if test -d ${srcdir}/libitm; then 565 if test x$enable_libitm = x; then 566 AC_MSG_CHECKING([for libitm support]) 567 if (srcdir=${srcdir}/libitm; \ 568 . ${srcdir}/configure.tgt; \ 569 test -n "$UNSUPPORTED") 570 then 571 AC_MSG_RESULT([no]) 572 noconfigdirs="$noconfigdirs target-libitm" 573 else 574 AC_MSG_RESULT([yes]) 575 fi 576 fi 577fi 578 579# Disable libsanitizer on unsupported systems. 580if test -d ${srcdir}/libsanitizer; then 581 if test x$enable_libsanitizer = x; then 582 AC_MSG_CHECKING([for libsanitizer support]) 583 if (srcdir=${srcdir}/libsanitizer; \ 584 . ${srcdir}/configure.tgt; \ 585 test -n "$UNSUPPORTED") 586 then 587 AC_MSG_RESULT([no]) 588 noconfigdirs="$noconfigdirs target-libsanitizer" 589 else 590 AC_MSG_RESULT([yes]) 591 fi 592 fi 593fi 594 595# Disable libvtv on unsupported systems. 596if test -d ${srcdir}/libvtv; then 597 if test x$enable_libvtv = x; then 598 AC_MSG_CHECKING([for libvtv support]) 599 if (srcdir=${srcdir}/libvtv; \ 600 . ${srcdir}/configure.tgt; \ 601 test "$VTV_SUPPORTED" != "yes") 602 then 603 AC_MSG_RESULT([no]) 604 noconfigdirs="$noconfigdirs target-libvtv" 605 else 606 AC_MSG_RESULT([yes]) 607 fi 608 fi 609fi 610 611# Disable libquadmath for some systems. 612case "${target}" in 613 avr-*-*) 614 noconfigdirs="$noconfigdirs target-libquadmath" 615 ;; 616 # libquadmath is unused on AIX and libquadmath build process use of 617 # LD_LIBRARY_PATH can break AIX bootstrap. 618 powerpc-*-aix* | rs6000-*-aix*) 619 noconfigdirs="$noconfigdirs target-libquadmath" 620 ;; 621esac 622 623# Disable libssp for some systems. 624case "${target}" in 625 avr-*-*) 626 # No hosted I/O support. 627 noconfigdirs="$noconfigdirs target-libssp" 628 ;; 629 bpf-*-*) 630 noconfigdirs="$noconfigdirs target-libssp" 631 ;; 632 powerpc-*-aix* | rs6000-*-aix*) 633 noconfigdirs="$noconfigdirs target-libssp" 634 ;; 635 pru-*-*) 636 # No hosted I/O support. 637 noconfigdirs="$noconfigdirs target-libssp" 638 ;; 639 rl78-*-*) 640 # libssp uses a misaligned load to trigger a fault, but the RL78 641 # doesn't fault for those - instead, it gives a build-time error 642 # for explicit misaligned loads. 643 noconfigdirs="$noconfigdirs target-libssp" 644 ;; 645 visium-*-*) 646 # No hosted I/O support. 647 noconfigdirs="$noconfigdirs target-libssp" 648 ;; 649esac 650 651# Disable libstdc++-v3 for some systems. 652# Allow user to override this if they pass --enable-libstdcxx 653if test "${ENABLE_LIBSTDCXX}" = "default" ; then 654 case "${target}" in 655 *-*-vxworks*) 656 # VxWorks uses the Dinkumware C++ library. 657 noconfigdirs="$noconfigdirs target-libstdc++-v3" 658 ;; 659 amdgcn*-*-*) 660 # Not ported/fails to build when using newlib. 661 noconfigdirs="$noconfigdirs target-libstdc++-v3" 662 ;; 663 arm*-wince-pe*) 664 # the C++ libraries don't build on top of CE's C libraries 665 noconfigdirs="$noconfigdirs target-libstdc++-v3" 666 ;; 667 avr-*-*) 668 noconfigdirs="$noconfigdirs target-libstdc++-v3" 669 ;; 670 bpf-*-*) 671 noconfigdirs="$noconfigdirs target-libstdc++-v3" 672 ;; 673 ft32-*-*) 674 noconfigdirs="$noconfigdirs target-libstdc++-v3" 675 ;; 676 esac 677fi 678 679# Disable C++ on systems where it is known to not work. 680# For testing, you can override this with --enable-languages=c++. 681case ,${enable_languages}, in 682 *,c++,*) 683 ;; 684 *) 685 case "${target}" in 686 bpf-*-*) 687 unsupported_languages="$unsupported_languages c++" 688 ;; 689 esac 690 ;; 691esac 692 693# Disable Objc on systems where it is known to not work. 694# For testing, you can override this with --enable-languages=objc. 695case ,${enable_languages}, in 696 *,objc,*) 697 ;; 698 *) 699 case "${target}" in 700 bpf-*-*) 701 unsupported_languages="$unsupported_languages objc" 702 ;; 703 esac 704 ;; 705esac 706 707# Disable D on systems where it is known to not work. 708# For testing, you can override this with --enable-languages=d. 709case ,${enable_languages}, in 710 *,d,*) 711 ;; 712 *) 713 case "${target}" in 714 bpf-*-*) 715 unsupported_languages="$unsupported_languages d" 716 ;; 717 esac 718 ;; 719esac 720 721# Disable libphobos on unsupported systems. 722# For testing, you can override this with --enable-libphobos. 723if test -d ${srcdir}/libphobos; then 724 if test x$enable_libphobos = x; then 725 AC_MSG_CHECKING([for libphobos support]) 726 if (srcdir=${srcdir}/libphobos; \ 727 . ${srcdir}/configure.tgt; \ 728 test "$LIBPHOBOS_SUPPORTED" != "yes") 729 then 730 AC_MSG_RESULT([no]) 731 noconfigdirs="$noconfigdirs target-libphobos" 732 else 733 AC_MSG_RESULT([yes]) 734 fi 735 fi 736fi 737 738# Disable Fortran for some systems. 739case "${target}" in 740 mmix-*-*) 741 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>. 742 unsupported_languages="$unsupported_languages fortran" 743 ;; 744 bpf-*-*) 745 unsupported_languages="$unsupported_languages fortran" 746 ;; 747esac 748 749# Disable libffi for some systems. 750case "${target}" in 751 powerpc-*-darwin*) 752 ;; 753 i[[3456789]]86-*-darwin*) 754 ;; 755 x86_64-*-darwin[[912]]*) 756 ;; 757 *-*-darwin*) 758 noconfigdirs="$noconfigdirs target-libffi" 759 ;; 760 *-*-netware*) 761 noconfigdirs="$noconfigdirs target-libffi" 762 ;; 763 *-*-phoenix*) 764 noconfigdirs="$noconfigdirs target-libffi" 765 ;; 766 *-*-rtems*) 767 noconfigdirs="$noconfigdirs target-libffi" 768 ;; 769 *-*-tpf*) 770 noconfigdirs="$noconfigdirs target-libffi" 771 ;; 772 *-*-uclinux*) 773 noconfigdirs="$noconfigdirs target-libffi" 774 ;; 775 *-*-vxworks*) 776 noconfigdirs="$noconfigdirs target-libffi" 777 ;; 778 aarch64*-*-freebsd*) 779 noconfigdirs="$noconfigdirs target-libffi" 780 ;; 781 alpha*-*-*vms*) 782 noconfigdirs="$noconfigdirs target-libffi" 783 ;; 784 arm*-*-freebsd*) 785 noconfigdirs="$noconfigdirs target-libffi" 786 ;; 787 arm-wince-pe) 788 noconfigdirs="$noconfigdirs target-libffi" 789 ;; 790 arm*-*-symbianelf*) 791 noconfigdirs="$noconfigdirs target-libffi" 792 ;; 793 bpf-*-*) 794 noconfigdirs="$noconfigdirs target-libffi" 795 ;; 796 cris-*-* | crisv32-*-*) 797 case "${target}" in 798 *-*-linux*) 799 ;; 800 *) # See PR46792 regarding target-libffi. 801 noconfigdirs="$noconfigdirs target-libffi";; 802 esac 803 ;; 804 hppa*64*-*-hpux*) 805 noconfigdirs="$noconfigdirs target-libffi" 806 ;; 807 hppa*-hp-hpux11*) 808 ;; 809 hppa*-*-hpux*) 810 noconfigdirs="$noconfigdirs target-libffi" 811 ;; 812 ia64*-*-*vms*) 813 noconfigdirs="$noconfigdirs target-libffi" 814 ;; 815 i[[3456789]]86-w64-mingw*) 816 noconfigdirs="$noconfigdirs target-libffi" 817 ;; 818 i[[3456789]]86-*-mingw*) 819 noconfigdirs="$noconfigdirs target-libffi" 820 ;; 821 x86_64-*-mingw*) 822 noconfigdirs="$noconfigdirs target-libffi" 823 ;; 824 mmix-*-*) 825 noconfigdirs="$noconfigdirs target-libffi" 826 ;; 827 powerpc-*-aix*) 828 ;; 829 rs6000-*-aix*) 830 ;; 831 ft32-*-*) 832 noconfigdirs="$noconfigdirs target-libffi" 833 ;; 834 *-*-lynxos*) 835 noconfigdirs="$noconfigdirs target-libffi" 836 ;; 837esac 838 839# Disable the go frontend on systems where it is known to not work. Please keep 840# this in sync with contrib/config-list.mk. 841case "${target}" in 842*-*-darwin* | *-*-cygwin* | *-*-mingw* | bpf-* ) 843 unsupported_languages="$unsupported_languages go" 844 ;; 845esac 846 847# Only allow gdbserver on some systems. 848if test -d ${srcdir}/gdbserver; then 849 if test x$enable_gdbserver = x; then 850 AC_MSG_CHECKING([for gdbserver support]) 851 if (srcdir=${srcdir}/gdbserver; \ 852 . ${srcdir}/configure.srv; \ 853 test -n "$UNSUPPORTED") 854 then 855 AC_MSG_RESULT([no]) 856 noconfigdirs="$noconfigdirs gdbserver" 857 else 858 AC_MSG_RESULT([yes]) 859 fi 860 fi 861fi 862 863# Disable libgo for some systems where it is known to not work. 864# For testing, you can easily override this with --enable-libgo. 865if test x$enable_libgo = x; then 866 case "${target}" in 867 *-*-darwin*) 868 # PR 46986 869 noconfigdirs="$noconfigdirs target-libgo" 870 ;; 871 *-*-cygwin* | *-*-mingw*) 872 noconfigdirs="$noconfigdirs target-libgo" 873 ;; 874 bpf-*-*) 875 noconfigdirs="$noconfigdirs target-libgo" 876 ;; 877 esac 878fi 879 880# Default libgloss CPU subdirectory. 881libgloss_dir="$target_cpu" 882 883case "${target}" in 884 sh*-*-pe|mips*-*-pe|*arm-wince-pe) 885 libgloss_dir=wince 886 ;; 887 aarch64*-*-* ) 888 libgloss_dir=aarch64 889 ;; 890 arm*-*-*) 891 libgloss_dir=arm 892 ;; 893 cris-*-* | crisv32-*-*) 894 libgloss_dir=cris 895 ;; 896 hppa*-*-*) 897 libgloss_dir=pa 898 ;; 899 i[[3456789]]86-*-*) 900 libgloss_dir=i386 901 ;; 902 loongarch*-*-*) 903 libgloss_dir=loongarch 904 ;; 905 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*) 906 libgloss_dir=m68hc11 907 ;; 908 m68*-*-* | fido-*-*) 909 libgloss_dir=m68k 910 ;; 911 mips*-*-*) 912 libgloss_dir=mips 913 ;; 914 powerpc*-*-*) 915 libgloss_dir=rs6000 916 ;; 917 pru-*-*) 918 libgloss_dir=pru 919 ;; 920 sparc*-*-*) 921 libgloss_dir=sparc 922 ;; 923esac 924 925# Disable newlib and libgloss for various target OSes. 926case "${target}" in 927 alpha*-dec-osf*) 928 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 929 ;; 930 i[[3456789]]86-*-linux*) 931 # This section makes it possible to build newlib natively on linux. 932 # If we are using a cross compiler then don't configure newlib. 933 if test x${is_cross_compiler} != xno ; then 934 noconfigdirs="$noconfigdirs target-newlib" 935 fi 936 noconfigdirs="$noconfigdirs target-libgloss" 937 # If we are not using a cross compiler, do configure newlib. 938 # Note however, that newlib will only be configured in this situation 939 # if the --with-newlib option has been given, because otherwise 940 # 'target-newlib' will appear in skipdirs. 941 ;; 942 i[[3456789]]86-*-rdos*) 943 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 944 ;; 945 sh*-*-pe|mips*-*-pe|arm-wince-pe) 946 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 947 ;; 948 sparc-*-sunos4*) 949 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 950 ;; 951 bpf-*-*) 952 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 953 ;; 954 *-*-aix*) 955 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 956 ;; 957 *-*-beos*) 958 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 959 ;; 960 *-*-chorusos) 961 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 962 ;; 963 *-*-dragonfly*) 964 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 965 ;; 966 *-*-freebsd*) 967 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 968 ;; 969 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 970 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 971 ;; 972 *-*-lynxos*) 973 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 974 ;; 975 *-*-mingw*) 976 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 977 ;; 978 *-*-netbsd*) 979 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 980 ;; 981 *-*-netware*) 982 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 983 ;; 984 *-*-tpf*) 985 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 986 ;; 987 *-*-uclinux*) 988 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 989 ;; 990 *-*-vxworks*) 991 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 992 ;; 993esac 994 995case "${target}" in 996 *-*-chorusos) 997 ;; 998 aarch64-*-darwin*) 999 noconfigdirs="$noconfigdirs ld gas gdb gprof" 1000 noconfigdirs="$noconfigdirs sim target-rda" 1001 ;; 1002 amdgcn*-*-*) 1003 ;; 1004 arm-*-darwin*) 1005 noconfigdirs="$noconfigdirs ld gas gdb gprof" 1006 noconfigdirs="$noconfigdirs sim target-rda" 1007 ;; 1008 powerpc-*-darwin*) 1009 noconfigdirs="$noconfigdirs ld gas gdb gprof" 1010 noconfigdirs="$noconfigdirs sim target-rda" 1011 ;; 1012 i[[3456789]]86-*-darwin*) 1013 noconfigdirs="$noconfigdirs ld gprof" 1014 noconfigdirs="$noconfigdirs sim target-rda" 1015 ;; 1016 x86_64-*-darwin[[912]]*) 1017 noconfigdirs="$noconfigdirs ld gas gprof" 1018 noconfigdirs="$noconfigdirs sim target-rda" 1019 ;; 1020 *-*-darwin*) 1021 noconfigdirs="$noconfigdirs ld gas gdb gprof" 1022 noconfigdirs="$noconfigdirs sim target-rda" 1023 ;; 1024 *-*-dragonfly*) 1025 ;; 1026 *-*-freebsd*) 1027 if test "x$with_gmp" = x \ 1028 && ! test -d ${srcdir}/gmp \ 1029 && test -f /usr/local/include/gmp.h; then 1030 with_gmp=/usr/local 1031 fi 1032 ;; 1033 *-*-kaos*) 1034 # Remove unsupported stuff on all kaOS configurations. 1035 noconfigdirs="$noconfigdirs target-libgloss" 1036 ;; 1037 *-*-netbsd*) 1038 ;; 1039 *-*-netware*) 1040 ;; 1041 *-*-phoenix*) 1042 noconfigdirs="$noconfigdirs target-libgloss" 1043 ;; 1044 *-*-rtems*) 1045 noconfigdirs="$noconfigdirs target-libgloss" 1046 ;; 1047 # The tpf target doesn't support gdb yet. 1048 *-*-tpf*) 1049 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl" 1050 ;; 1051 *-*-uclinux*) 1052 noconfigdirs="$noconfigdirs target-rda" 1053 ;; 1054 *-*-vxworks*) 1055 ;; 1056 alpha*-dec-osf*) 1057 # ld works, but does not support shared libraries. 1058 # gas doesn't generate exception information. 1059 noconfigdirs="$noconfigdirs gas ld" 1060 ;; 1061 alpha*-*-*vms*) 1062 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss" 1063 ;; 1064 alpha*-*-*) 1065 # newlib is not 64 bit ready 1066 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1067 ;; 1068 bpf-*-*) 1069 noconfigdirs="$noconfigdirs target-libobjc target-libbacktrace" 1070 ;; 1071 sh*-*-pe|mips*-*-pe|*arm-wince-pe) 1072 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim" 1073 ;; 1074 arc*-*-*) 1075 noconfigdirs="$noconfigdirs sim" 1076 ;; 1077 arm-*-pe*) 1078 noconfigdirs="$noconfigdirs target-libgloss" 1079 ;; 1080 arm-*-riscix*) 1081 noconfigdirs="$noconfigdirs ld target-libgloss" 1082 ;; 1083 avr-*-*) 1084 if test x${with_avrlibc} != xno; then 1085 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1086 fi 1087 ;; 1088 c4x-*-* | tic4x-*-*) 1089 noconfigdirs="$noconfigdirs target-libgloss" 1090 ;; 1091 tic54x-*-*) 1092 noconfigdirs="$noconfigdirs target-libgloss gdb" 1093 ;; 1094 d10v-*-*) 1095 noconfigdirs="$noconfigdirs target-libgloss" 1096 ;; 1097 d30v-*-*) 1098 noconfigdirs="$noconfigdirs gdb" 1099 ;; 1100 fr30-*-elf*) 1101 noconfigdirs="$noconfigdirs gdb" 1102 ;; 1103 ft32-*-*) 1104 noconfigdirs="$noconfigdirs target-rda gprof" 1105 ;; 1106 moxie-*-*) 1107 noconfigdirs="$noconfigdirs" 1108 ;; 1109 h8300*-*-*) 1110 noconfigdirs="$noconfigdirs target-libgloss" 1111 ;; 1112 h8500-*-*) 1113 noconfigdirs="$noconfigdirs target-libgloss" 1114 ;; 1115 hppa1.1-*-osf* | hppa1.1-*-bsd* ) 1116 ;; 1117 hppa*64*-*-hpux*) 1118 noconfigdirs="$noconfigdirs gdb" 1119 ;; 1120 hppa*-*-hpux11*) 1121 noconfigdirs="$noconfigdirs gdb ld" 1122 ;; 1123 hppa*64*-*-linux*) 1124 ;; 1125 hppa*-*-linux*) 1126 ;; 1127 hppa*-*-*elf* | \ 1128 hppa*-*-lites* | \ 1129 hppa*-*-openbsd* | \ 1130 hppa*64*-*-*) 1131 ;; 1132 hppa*-*-pro*) 1133 ;; 1134 hppa*-*-*) 1135 noconfigdirs="$noconfigdirs ld" 1136 ;; 1137 i960-*-*) 1138 noconfigdirs="$noconfigdirs gdb" 1139 ;; 1140 ia64*-*-elf*) 1141 # No gdb support yet. 1142 noconfigdirs="$noconfigdirs readline libgui itcl gdb" 1143 ;; 1144 ia64*-**-hpux*) 1145 # No ld support yet. 1146 noconfigdirs="$noconfigdirs gdb libgui itcl ld" 1147 ;; 1148 ia64*-*-*vms*) 1149 # No ld support yet. 1150 noconfigdirs="$noconfigdirs libgui itcl ld" 1151 ;; 1152 i[[3456789]]86-w64-mingw*) 1153 ;; 1154 i[[3456789]]86-*-mingw*) 1155 target_configdirs="$target_configdirs target-winsup" 1156 ;; 1157 *-*-cygwin*) 1158 target_configdirs="$target_configdirs target-libtermcap target-winsup" 1159 noconfigdirs="$noconfigdirs target-libgloss" 1160 # always build newlib if winsup directory is present. 1161 if test -d "$srcdir/winsup/cygwin"; then 1162 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` 1163 elif test -d "$srcdir/newlib"; then 1164 echo "Warning: winsup/cygwin is missing so newlib can't be built." 1165 fi 1166 ;; 1167 i[[3456789]]86-*-pe) 1168 noconfigdirs="$noconfigdirs target-libgloss" 1169 ;; 1170 i[[3456789]]86-*-sco3.2v5*) 1171 # The linker does not yet know about weak symbols in COFF, 1172 # and is not configured to handle mixed ELF and COFF. 1173 noconfigdirs="$noconfigdirs ld target-libgloss" 1174 ;; 1175 i[[3456789]]86-*-sco*) 1176 noconfigdirs="$noconfigdirs gprof target-libgloss" 1177 ;; 1178 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*) 1179 noconfigdirs="$noconfigdirs target-libgloss" 1180 ;; 1181 i[[3456789]]86-*-sysv4*) 1182 noconfigdirs="$noconfigdirs target-libgloss" 1183 ;; 1184 i[[3456789]]86-*-beos*) 1185 noconfigdirs="$noconfigdirs gdb" 1186 ;; 1187 i[[3456789]]86-*-rdos*) 1188 noconfigdirs="$noconfigdirs gdb" 1189 ;; 1190 mmix-*-*) 1191 noconfigdirs="$noconfigdirs gdb" 1192 ;; 1193 mt-*-*) 1194 noconfigdirs="$noconfigdirs sim" 1195 ;; 1196 nfp-*-*) 1197 noconfigdirs="$noconfigdirs ld gas gdb gprof sim" 1198 noconfigdirs="$noconfigdirs $target_libraries" 1199 ;; 1200 pdp11-*-*) 1201 noconfigdirs="$noconfigdirs gdb gprof" 1202 ;; 1203 powerpc-*-aix*) 1204 # copied from rs6000-*-* entry 1205 noconfigdirs="$noconfigdirs gprof" 1206 ;; 1207 powerpc*-*-winnt* | powerpc*-*-pe*) 1208 target_configdirs="$target_configdirs target-winsup" 1209 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl" 1210 # always build newlib. 1211 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` 1212 ;; 1213 # This is temporary until we can link against shared libraries 1214 powerpcle-*-solaris*) 1215 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl" 1216 ;; 1217 powerpc-*-beos*) 1218 noconfigdirs="$noconfigdirs gdb" 1219 ;; 1220 rs6000-*-lynxos*) 1221 noconfigdirs="$noconfigdirs gprof" 1222 ;; 1223 rs6000-*-aix*) 1224 noconfigdirs="$noconfigdirs gprof" 1225 ;; 1226 rs6000-*-*) 1227 noconfigdirs="$noconfigdirs gprof" 1228 ;; 1229 m68k-apollo-*) 1230 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss" 1231 ;; 1232 microblaze*) 1233 noconfigdirs="$noconfigdirs gprof" 1234 ;; 1235 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*) 1236 if test x$with_newlib = xyes; then 1237 noconfigdirs="$noconfigdirs gprof" 1238 fi 1239 ;; 1240 mips*-*-irix5*) 1241 noconfigdirs="$noconfigdirs gprof target-libgloss" 1242 ;; 1243 mips*-*-irix6*) 1244 noconfigdirs="$noconfigdirs gprof target-libgloss" 1245 ;; 1246 mips*-*-bsd*) 1247 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss" 1248 ;; 1249 mips*-*-linux*) 1250 ;; 1251 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \ 1252 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*) 1253 noconfigdirs="$noconfigdirs ld gas gprof" 1254 ;; 1255 mips*-*-*) 1256 noconfigdirs="$noconfigdirs gprof" 1257 ;; 1258 nvptx*-*-*) 1259 noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc" 1260 ;; 1261 sh-*-*) 1262 case "${target}" in 1263 sh*-*-elf) 1264 ;; 1265 *) 1266 noconfigdirs="$noconfigdirs target-libgloss" ;; 1267 esac 1268 ;; 1269 sparc-*-sunos4*) 1270 if test x${is_cross_compiler} = xno ; then 1271 use_gnu_ld=no 1272 fi 1273 ;; 1274 tic6x-*-*) 1275 noconfigdirs="$noconfigdirs sim" 1276 ;; 1277 tilepro*-*-* | tilegx*-*-*) 1278 noconfigdirs="$noconfigdirs sim" 1279 ;; 1280 v810-*-*) 1281 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss" 1282 ;; 1283 vax-*-*) 1284 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1285 ;; 1286 wasm32-*-*) 1287 noconfigdirs="$noconfigdirs ld" 1288 ;; 1289 loongarch*-*-linux*) 1290 ;; 1291 loongarch*-*-*) 1292 noconfigdirs="$noconfigdirs gprof" 1293 ;; 1294esac 1295 1296# If we aren't building newlib, then don't build libgloss, since libgloss 1297# depends upon some newlib header files. 1298case "${noconfigdirs}" in 1299 *target-libgloss*) ;; 1300 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;; 1301esac 1302 1303# Work in distributions that contain no compiler tools, like Autoconf. 1304host_makefile_frag=/dev/null 1305if test -d ${srcdir}/config ; then 1306case "${host}" in 1307 i[[3456789]]86-*-msdosdjgpp*) 1308 host_makefile_frag="config/mh-djgpp" 1309 ;; 1310 *-cygwin*) 1311 ACX_CHECK_CYGWIN_CAT_WORKS 1312 host_makefile_frag="config/mh-cygwin" 1313 ;; 1314 *-mingw*) 1315 host_makefile_frag="config/mh-mingw" 1316 ;; 1317 alpha*-linux*) 1318 host_makefile_frag="config/mh-alpha-linux" 1319 ;; 1320 hppa*-hp-hpux10*) 1321 host_makefile_frag="config/mh-pa-hpux10" 1322 ;; 1323 hppa*-hp-hpux*) 1324 host_makefile_frag="config/mh-pa" 1325 ;; 1326 hppa*-*) 1327 host_makefile_frag="config/mh-pa" 1328 ;; 1329 i?86-*-darwin[[89]]* | i?86-*-darwin1[[0-7]]* | powerpc*-*-darwin*) 1330 host_makefile_frag="config/mh-darwin" 1331 ;; 1332 powerpc-*-aix*) 1333 host_makefile_frag="config/mh-ppc-aix" 1334 ;; 1335 rs6000-*-aix*) 1336 host_makefile_frag="config/mh-ppc-aix" 1337 ;; 1338esac 1339fi 1340 1341if test "${build}" != "${host}" ; then 1342 AR_FOR_BUILD=${AR_FOR_BUILD-ar} 1343 AS_FOR_BUILD=${AS_FOR_BUILD-as} 1344 CC_FOR_BUILD=${CC_FOR_BUILD-gcc} 1345 CPP_FOR_BUILD="${CPP_FOR_BUILD-\$(CC_FOR_BUILD) -E}" 1346 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++} 1347 DSYMUTIL_FOR_BUILD=${DSYMUTIL_FOR_BUILD-dsymutil} 1348 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran} 1349 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo} 1350 GDC_FOR_BUILD=${GDC_FOR_BUILD-gdc} 1351 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool} 1352 LD_FOR_BUILD=${LD_FOR_BUILD-ld} 1353 NM_FOR_BUILD=${NM_FOR_BUILD-nm} 1354 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib} 1355 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres} 1356 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc} 1357else 1358 AR_FOR_BUILD="\$(AR)" 1359 AS_FOR_BUILD="\$(AS)" 1360 CC_FOR_BUILD="\$(CC)" 1361 CXX_FOR_BUILD="\$(CXX)" 1362 DSYMUTIL_FOR_BUILD="\$(DSYMUTIL)" 1363 GFORTRAN_FOR_BUILD="\$(GFORTRAN)" 1364 GOC_FOR_BUILD="\$(GOC)" 1365 GDC_FOR_BUILD="\$(GDC)" 1366 DLLTOOL_FOR_BUILD="\$(DLLTOOL)" 1367 LD_FOR_BUILD="\$(LD)" 1368 NM_FOR_BUILD="\$(NM)" 1369 RANLIB_FOR_BUILD="\$(RANLIB)" 1370 WINDRES_FOR_BUILD="\$(WINDRES)" 1371 WINDMC_FOR_BUILD="\$(WINDMC)" 1372fi 1373 1374AC_PROG_CC_C99 1375AC_PROG_CXX 1376 1377# We must set the default linker to the linker used by gcc for the correct 1378# operation of libtool. If LD is not defined and we are using gcc, try to 1379# set the LD default to the ld used by gcc. 1380if test -z "$LD"; then 1381 if test "$GCC" = yes; then 1382 case $build in 1383 *-*-mingw*) 1384 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;; 1385 *) 1386 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;; 1387 esac 1388 case $gcc_prog_ld in 1389 # Accept absolute paths. 1390 [[\\/]* | [A-Za-z]:[\\/]*)] 1391 LD="$gcc_prog_ld" ;; 1392 esac 1393 fi 1394fi 1395 1396# Check whether -static-libstdc++ -static-libgcc is supported. 1397have_static_libs=no 1398if test "$GCC" = yes; then 1399 saved_LDFLAGS="$LDFLAGS" 1400 1401 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc" 1402 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc]) 1403 AC_LANG_PUSH(C++) 1404 AC_LINK_IFELSE([AC_LANG_SOURCE([ 1405#if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5) 1406#error -static-libstdc++ not implemented 1407#endif 1408int main() {}])], 1409 [AC_MSG_RESULT([yes]); have_static_libs=yes], 1410 [AC_MSG_RESULT([no])]) 1411 AC_LANG_POP(C++) 1412 1413 LDFLAGS="$saved_LDFLAGS" 1414fi 1415 1416ACX_PROG_GNAT 1417ACX_PROG_GDC 1418ACX_PROG_CMP_IGNORE_INITIAL 1419 1420AC_ARG_ENABLE([bootstrap], 1421[AS_HELP_STRING([--enable-bootstrap], 1422 [enable bootstrapping @<:@yes if native build@:>@])],, 1423enable_bootstrap=default) 1424 1425# Issue errors and warnings for invalid/strange bootstrap combinations. 1426if test -r $srcdir/gcc/configure; then 1427 have_compiler=yes 1428else 1429 have_compiler=no 1430fi 1431 1432case "$have_compiler:$host:$target:$enable_bootstrap" in 1433 *:*:*:no) ;; 1434 1435 # Default behavior. Enable bootstrap if we have a compiler 1436 # and we are in a native configuration. 1437 yes:$build:$build:default) 1438 enable_bootstrap=yes ;; 1439 1440 *:*:*:default) 1441 enable_bootstrap=no ;; 1442 1443 # We have a compiler and we are in a native configuration, bootstrap is ok 1444 yes:$build:$build:yes) 1445 ;; 1446 1447 # Other configurations, but we have a compiler. Assume the user knows 1448 # what he's doing. 1449 yes:*:*:yes) 1450 AC_MSG_WARN([trying to bootstrap a cross compiler]) 1451 ;; 1452 1453 # No compiler: if they passed --enable-bootstrap explicitly, fail 1454 no:*:*:yes) 1455 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;; 1456 1457 # Fail if wrong command line 1458 *) 1459 AC_MSG_ERROR([invalid option for --enable-bootstrap]) 1460 ;; 1461esac 1462 1463# When bootstrapping with GCC, build stage 1 in C++11 mode to ensure that a 1464# C++11 compiler can still start the bootstrap. Otherwise, if building GCC, 1465# require C++11 (or higher). 1466if test "$enable_bootstrap:$GXX" = "yes:yes"; then 1467 CXX="$CXX -std=c++11" 1468elif test "$have_compiler" = yes; then 1469 AX_CXX_COMPILE_STDCXX(11) 1470 1471 if test "${build}" != "${host}"; then 1472 AX_CXX_COMPILE_STDCXX(11, [], [], [_FOR_BUILD]) 1473 fi 1474fi 1475 1476AC_ARG_ENABLE([pgo-build], 1477[AS_HELP_STRING([--enable-pgo-build[[=lto]]], 1478 [enable the PGO build])], 1479[enable_pgo_build=$enableval], 1480[enable_pgo_build=no]) 1481 1482# Issue errors and warnings for invalid/strange PGO build combinations. 1483case "$have_compiler:$host:$target:$enable_pgo_build" in 1484 *:*:*:no) ;; 1485 1486 # Allow the PGO build only if we aren't building a compiler and 1487 # we are in a native configuration. 1488 no:$build:$build:yes | no:$build:$build:lto) ;; 1489 1490 # Disallow the PGO bootstrap if we are building a compiler. 1491 yes:*:*:yes | yes:*:*:lto) 1492 AC_MSG_ERROR([cannot perform the PGO bootstrap when building a compiler]) ;; 1493 1494 *) 1495 AC_MSG_ERROR([invalid option for --enable-pgo-build]) 1496 ;; 1497esac 1498 1499if test "$enable_pgo_build" != "no"; then 1500 AC_MSG_CHECKING([whether the compiler supports -fprofile-generate]) 1501 old_CFLAGS="$CFLAGS" 1502 PGO_BUILD_GEN_CFLAGS="-fprofile-generate" 1503 CFLAGS="$CFLAGS $PGO_BUILD_CFLAGS" 1504 AC_COMPILE_IFELSE([AC_LANG_SOURCE([int foo;])],, 1505 [PGO_BUILD_GEN_CFLAGS=]) 1506 CFLAGS="$old_CFLAGS" 1507 if test -n "$PGO_BUILD_GEN_CFLAGS"; then 1508 AC_MSG_RESULT([yes]) 1509 PGO_BUILD_USE_CFLAGS="-fprofile-use" 1510 else 1511 AC_MSG_RESULT([no]) 1512 AC_MSG_ERROR([cannot perform the PGO build without -fprofile-generate]) 1513 fi 1514 1515 if test "$enable_pgo_build" = "lto"; then 1516 AC_MSG_CHECKING([whether the compiler supports -flto=jobserver -ffat-lto-objects]) 1517 old_CFLAGS="$CFLAGS" 1518 PGO_BUILD_LTO_CFLAGS="-flto=jobserver -ffat-lto-objects" 1519 CFLAGS="$CFLAGS $PGO_BUILD_LTO_CFLAGS" 1520 AC_COMPILE_IFELSE([AC_LANG_SOURCE([int foo;])],, 1521 [PGO_BUILD_LTO_CFLAGS=]) 1522 CFLAGS="$old_CFLAGS" 1523 if test -n "$PGO_BUILD_LTO_CFLAGS"; then 1524 AC_MSG_RESULT([yes]) 1525 else 1526 AC_MSG_RESULT([no]) 1527 AC_MSG_WARN([LTO is disabled for the PGO build]) 1528 fi 1529 fi 1530fi 1531AC_SUBST(PGO_BUILD_GEN_CFLAGS) 1532AC_SUBST(PGO_BUILD_USE_CFLAGS) 1533AC_SUBST(PGO_BUILD_LTO_CFLAGS) 1534 1535# Used for setting $lt_cv_objdir 1536_LT_CHECK_OBJDIR 1537 1538# Check for GMP, MPFR and MPC 1539gmplibs="-lmpc -lmpfr -lgmp" 1540gmpinc= 1541have_gmp=no 1542 1543# Specify a location for mpc 1544# check for this first so it ends up on the link line before mpfr. 1545AC_ARG_WITH(mpc, 1546[AS_HELP_STRING([--with-mpc=PATH], 1547 [specify prefix directory for installed MPC package. 1548 Equivalent to --with-mpc-include=PATH/include 1549 plus --with-mpc-lib=PATH/lib])]) 1550AC_ARG_WITH(mpc-include, 1551[AS_HELP_STRING([--with-mpc-include=PATH], 1552 [specify directory for installed MPC include files])]) 1553AC_ARG_WITH(mpc-lib, 1554[AS_HELP_STRING([--with-mpc-lib=PATH], 1555 [specify directory for the installed MPC library])]) 1556 1557if test "x$with_mpc" != x; then 1558 gmplibs="-L$with_mpc/lib $gmplibs" 1559 gmpinc="-I$with_mpc/include $gmpinc" 1560fi 1561if test "x$with_mpc_include" != x; then 1562 gmpinc="-I$with_mpc_include $gmpinc" 1563fi 1564if test "x$with_mpc_lib" != x; then 1565 gmplibs="-L$with_mpc_lib $gmplibs" 1566fi 1567if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then 1568 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs" 1569 gmpinc='-I$$s/mpc/src '"$gmpinc" 1570 # Do not test the mpc version. Assume that it is sufficient, since 1571 # it is in the source tree, and the library has not been built yet 1572 # but it would be included on the link line in the version check below 1573 # hence making the test fail. 1574 have_gmp=yes 1575fi 1576 1577# Specify a location for mpfr 1578# check for this first so it ends up on the link line before gmp. 1579AC_ARG_WITH(mpfr, 1580[AS_HELP_STRING([--with-mpfr=PATH], 1581 [specify prefix directory for installed MPFR package. 1582 Equivalent to --with-mpfr-include=PATH/include 1583 plus --with-mpfr-lib=PATH/lib])]) 1584AC_ARG_WITH(mpfr-include, 1585[AS_HELP_STRING([--with-mpfr-include=PATH], 1586 [specify directory for installed MPFR include files])]) 1587AC_ARG_WITH(mpfr-lib, 1588[AS_HELP_STRING([--with-mpfr-lib=PATH], 1589 [specify directory for the installed MPFR library])]) 1590 1591if test "x$with_mpfr" != x; then 1592 gmplibs="-L$with_mpfr/lib $gmplibs" 1593 gmpinc="-I$with_mpfr/include $gmpinc" 1594fi 1595if test "x$with_mpfr_include" != x; then 1596 gmpinc="-I$with_mpfr_include $gmpinc" 1597fi 1598if test "x$with_mpfr_lib" != x; then 1599 gmplibs="-L$with_mpfr_lib $gmplibs" 1600fi 1601if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then 1602 # MPFR v3.1.0 moved the sources into a src sub-directory. 1603 if ! test -d ${srcdir}/mpfr/src; then 1604 AC_MSG_ERROR([dnl 1605Building GCC with MPFR in the source tree is only handled for MPFR 3.1.0+.]) 1606 fi 1607 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs" 1608 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc" 1609 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir" 1610 # Do not test the mpfr version. Assume that it is sufficient, since 1611 # it is in the source tree, and the library has not been built yet 1612 # but it would be included on the link line in the version check below 1613 # hence making the test fail. 1614 have_gmp=yes 1615fi 1616 1617# Specify a location for gmp 1618AC_ARG_WITH(gmp, 1619[AS_HELP_STRING([--with-gmp=PATH], 1620 [specify prefix directory for the installed GMP package. 1621 Equivalent to --with-gmp-include=PATH/include 1622 plus --with-gmp-lib=PATH/lib])]) 1623AC_ARG_WITH(gmp-include, 1624[AS_HELP_STRING([--with-gmp-include=PATH], 1625 [specify directory for installed GMP include files])]) 1626AC_ARG_WITH(gmp-lib, 1627[AS_HELP_STRING([--with-gmp-lib=PATH], 1628 [specify directory for the installed GMP library])]) 1629 1630 1631if test "x$with_gmp" != x; then 1632 gmplibs="-L$with_gmp/lib $gmplibs" 1633 gmpinc="-I$with_gmp/include $gmpinc" 1634fi 1635if test "x$with_gmp_include" != x; then 1636 gmpinc="-I$with_gmp_include $gmpinc" 1637fi 1638if test "x$with_gmp_lib" != x; then 1639 gmplibs="-L$with_gmp_lib $gmplibs" 1640fi 1641if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then 1642 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs" 1643 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc" 1644 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir" 1645 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir" 1646 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp' 1647 # Do not test the gmp version. Assume that it is sufficient, since 1648 # it is in the source tree, and the library has not been built yet 1649 # but it would be included on the link line in the version check below 1650 # hence making the test fail. 1651 have_gmp=yes 1652fi 1653 1654if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then 1655 have_gmp=yes 1656 saved_CFLAGS="$CFLAGS" 1657 CFLAGS="$CFLAGS $gmpinc" 1658 # Check for the recommended and required versions of GMP. 1659 AC_MSG_CHECKING([for the correct version of gmp.h]) 1660 AC_TRY_COMPILE([#include "gmp.h"],[ 1661 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) 1662 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) 1663 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3) 1664 choke me 1665 #endif 1666 ], [AC_TRY_COMPILE([#include <gmp.h>],[ 1667 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) 1668 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) 1669 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2) 1670 choke me 1671 #endif 1672 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1673 [AC_MSG_RESULT([no]); have_gmp=no]) 1674 1675 # If we have GMP, check the MPFR version. 1676 if test x"$have_gmp" = xyes; then 1677 # Check for the recommended and required versions of MPFR. 1678 AC_MSG_CHECKING([for the correct version of mpfr.h]) 1679 AC_TRY_COMPILE([#include <gmp.h> 1680 #include <mpfr.h>],[ 1681 #if MPFR_VERSION < MPFR_VERSION_NUM(3,1,0) 1682 choke me 1683 #endif 1684 ], [AC_TRY_COMPILE([#include <gmp.h> 1685 #include <mpfr.h>],[ 1686 #if MPFR_VERSION < MPFR_VERSION_NUM(3,1,6) 1687 choke me 1688 #endif 1689 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1690 [AC_MSG_RESULT([no]); have_gmp=no]) 1691 fi 1692 1693 # Check for the MPC header version. 1694 if test x"$have_gmp" = xyes ; then 1695 # Check for the recommended and required versions of MPC. 1696 AC_MSG_CHECKING([for the correct version of mpc.h]) 1697 AC_TRY_COMPILE([#include <mpc.h>],[ 1698 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0) 1699 choke me 1700 #endif 1701 ], [AC_TRY_COMPILE([#include <mpc.h>],[ 1702 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1) 1703 choke me 1704 #endif 1705 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1706 [AC_MSG_RESULT([no]); have_gmp=no]) 1707 fi 1708 1709 # Now check the MPFR library. 1710 if test x"$have_gmp" = xyes; then 1711 saved_LIBS="$LIBS" 1712 LIBS="$LIBS $gmplibs" 1713 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries]) 1714 AC_TRY_LINK([#include <mpc.h>],[ 1715 mpfr_t n; 1716 mpfr_t x; 1717 mpc_t c; 1718 int t; 1719 mpfr_init (n); 1720 mpfr_init (x); 1721 mpfr_atan2 (n, n, x, MPFR_RNDN); 1722 mpfr_erfc (n, x, MPFR_RNDN); 1723 mpfr_subnormalize (x, t, MPFR_RNDN); 1724 mpfr_clear(n); 1725 mpfr_clear(x); 1726 mpc_init2 (c, 53); 1727 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN); 1728 mpc_cosh (c, c, MPC_RNDNN); 1729 mpc_pow (c, c, c, MPC_RNDNN); 1730 mpc_acosh (c, c, MPC_RNDNN); 1731 mpc_clear (c); 1732 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no]) 1733 LIBS="$saved_LIBS" 1734 fi 1735 1736 CFLAGS="$saved_CFLAGS" 1737 1738# The library versions listed in the error message below should match 1739# the HARD-minimums enforced above. 1740 if test x$have_gmp != xyes; then 1741 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 3.1.0+ and MPC 0.8.0+. 1742Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify 1743their locations. Source code for these libraries can be found at 1744their respective hosting sites as well as at 1745https://gcc.gnu.org/pub/gcc/infrastructure/. See also 1746http://gcc.gnu.org/install/prerequisites.html for additional info. If 1747you obtained GMP, MPFR and/or MPC from a vendor distribution package, 1748make sure that you have installed both the libraries and the header 1749files. They may be located in separate packages.]) 1750 fi 1751fi 1752 1753# Flags needed for both GMP, MPFR and/or MPC. 1754AC_SUBST(gmplibs) 1755AC_SUBST(gmpinc) 1756AC_SUBST(extra_mpfr_configure_flags) 1757AC_SUBST(extra_mpc_gmp_configure_flags) 1758AC_SUBST(extra_mpc_mpfr_configure_flags) 1759AC_SUBST(extra_isl_gmp_configure_flags) 1760 1761# Libraries to use for stage1 or when not bootstrapping. 1762AC_ARG_WITH(stage1-libs, 1763[AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])], 1764[if test "$withval" = "no" -o "$withval" = "yes"; then 1765 stage1_libs= 1766 else 1767 stage1_libs=$withval 1768 fi], 1769[stage1_libs=]) 1770AC_SUBST(stage1_libs) 1771 1772# Whether or not to use -static-libstdc++ and -static-libgcc. The 1773# default is yes if gcc is being built; no otherwise. The reason for 1774# this default is that gdb is sometimes linked against GNU Source 1775# Highlight, which is a shared library that uses C++ exceptions. In 1776# this case, -static-libstdc++ will cause crashes. 1777AC_ARG_WITH(static-standard-libraries, 1778[AS_HELP_STRING([--with-static-standard-libraries], 1779 [use -static-libstdc++ and -static-libgcc (default=auto)])], 1780[], [with_static_standard_libraries=auto]) 1781if test "$with_static_standard_libraries" = auto; then 1782 with_static_standard_libraries=$have_compiler 1783fi 1784 1785# Linker flags to use for stage1 or when not bootstrapping. 1786AC_ARG_WITH(stage1-ldflags, 1787[AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])], 1788[if test "$withval" = "no" -o "$withval" = "yes"; then 1789 stage1_ldflags= 1790 else 1791 stage1_ldflags=$withval 1792 fi], 1793[stage1_ldflags= 1794 # In stage 1, default to linking libstdc++ and libgcc statically with GCC 1795 # if supported. But if the user explicitly specified the libraries to use, 1796 # trust that they are doing what they want. 1797 if test "$with_static_standard_libraries" = yes -a "$stage1_libs" = "" \ 1798 -a "$have_static_libs" = yes; then 1799 stage1_ldflags="-static-libstdc++ -static-libgcc" 1800 fi]) 1801AC_SUBST(stage1_ldflags) 1802 1803# Libraries to use for stage2 and later builds. 1804AC_ARG_WITH(boot-libs, 1805[AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])], 1806[if test "$withval" = "no" -o "$withval" = "yes"; then 1807 poststage1_libs= 1808 else 1809 poststage1_libs=$withval 1810 fi], 1811[poststage1_libs=]) 1812AC_SUBST(poststage1_libs) 1813 1814# Linker flags to use for stage2 and later builds. 1815AC_ARG_WITH(boot-ldflags, 1816[AS_HELP_STRING([--with-boot-ldflags=FLAGS], 1817 [linker flags for stage2 and later])], 1818[if test "$withval" = "no" -o "$withval" = "yes"; then 1819 poststage1_ldflags= 1820 else 1821 poststage1_ldflags=$withval 1822 fi], 1823[poststage1_ldflags= 1824 # In stages 2 and 3, default to linking libstdc++ and libgcc 1825 # statically. But if the user explicitly specified the libraries to 1826 # use, trust that they are doing what they want. 1827 if test "$poststage1_libs" = ""; then 1828 poststage1_ldflags="-static-libstdc++ -static-libgcc" 1829 fi]) 1830AC_SUBST(poststage1_ldflags) 1831 1832# GCC GRAPHITE dependency isl. 1833# Basic setup is inlined here, actual checks are in config/isl.m4 1834 1835AC_ARG_WITH(isl, 1836 [AS_HELP_STRING( 1837 [--with-isl=PATH], 1838 [Specify prefix directory for the installed isl package. 1839 Equivalent to --with-isl-include=PATH/include 1840 plus --with-isl-lib=PATH/lib])]) 1841 1842# Treat --without-isl as a request to disable 1843# GRAPHITE support and skip all following checks. 1844if test "x$with_isl" != "xno"; then 1845 # Check for isl 1846 dnl Provide configure switches and initialize islinc & isllibs 1847 dnl with user input. 1848 ISL_INIT_FLAGS 1849 dnl The versions of isl that work for Graphite 1850 ISL_CHECK_VERSION() 1851 dnl Only execute fail-action, if isl has been requested. 1852 ISL_IF_FAILED([ 1853 AC_MSG_ERROR([Unable to find a usable isl. See config.log for details.])]) 1854fi 1855 1856# If the isl check failed, disable builds of in-tree variant of isl 1857if test "x$with_isl" = xno || 1858 test "x$gcc_cv_isl" = xno; then 1859 noconfigdirs="$noconfigdirs isl" 1860 islinc= 1861fi 1862 1863AC_SUBST(isllibs) 1864AC_SUBST(islinc) 1865 1866# Check for LTO support. 1867AC_ARG_ENABLE(lto, 1868[AS_HELP_STRING([--enable-lto], [enable link time optimization support])], 1869enable_lto=$enableval, 1870enable_lto=yes; default_enable_lto=yes) 1871 1872ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always. 1873 case $target in 1874 m68010-*) 1875 build_lto_plugin=no;; 1876 *) 1877 build_lto_plugin=yes;; 1878 esac 1879],[if test x"$default_enable_lto" = x"yes" ; then 1880 case $target in 1881 *-apple-darwin[[912]]* | *-cygwin* | *-mingw* | *djgpp*) ;; 1882 # On other non-ELF platforms, LTO has yet to be validated. 1883 *) enable_lto=no ;; 1884 esac 1885 else 1886 # Apart from ELF platforms, only Windows and Darwin support LTO so far. 1887 # It would also be nice to check the binutils support, but we don't 1888 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just 1889 # warn during gcc/ subconfigure; unless you're bootstrapping with 1890 # -flto it won't be needed until after installation anyway. 1891 case $target in 1892 *-cygwin* | *-mingw* | *-apple-darwin* | *djgpp*) ;; 1893 *) if test x"$enable_lto" = x"yes"; then 1894 AC_MSG_ERROR([LTO support is not enabled for this target.]) 1895 fi 1896 ;; 1897 esac 1898 fi 1899 # Among non-ELF, only Windows platforms support the lto-plugin so far. 1900 # Build it unless LTO was explicitly disabled. 1901 case $target in 1902 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;; 1903 *) ;; 1904 esac 1905]) 1906 1907AC_ARG_ENABLE(linker-plugin-configure-flags, 1908 [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]], 1909 [additional flags for configuring linker plugins @<:@none@:>@])], 1910 extra_linker_plugin_configure_flags=$enableval, 1911 extra_linker_plugin_configure_flags=) 1912AC_SUBST(extra_linker_plugin_configure_flags) 1913AC_ARG_ENABLE(linker-plugin-flags, 1914 [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]], 1915 [additional flags for configuring and building linker plugins @<:@none@:>@])], 1916 extra_linker_plugin_flags=$enableval, 1917 extra_linker_plugin_flags=) 1918AC_SUBST(extra_linker_plugin_flags) 1919 1920# Enable --enable-host-shared. 1921# Checked early to determine whether jit is an 'all' language 1922AC_ARG_ENABLE(host-shared, 1923[AS_HELP_STRING([--enable-host-shared], 1924 [build host code as shared libraries])], 1925[host_shared=$enableval 1926 case $host in 1927 x86_64-*-darwin* | aarch64-*-darwin*) 1928 if test x$host_shared != xyes ; then 1929 # PIC is the default, and actually cannot be switched off. 1930 echo configure.ac: warning: PIC code is required for the configured target, host-shared setting ignored. 1>&2 1931 host_shared=yes 1932 fi ;; 1933 *) ;; 1934 esac], 1935[case $target in 1936 x86_64-*-darwin* | aarch64-*-darwin*) host_shared=yes ;; 1937 *) host_shared=no ;; 1938 esac]) 1939AC_SUBST(host_shared) 1940 1941# By default, C and C++ are the only stage 1 languages. 1942stage1_languages=,c, 1943 1944# Target libraries that we bootstrap. 1945bootstrap_target_libs=,target-libgcc, 1946 1947# Figure out what language subdirectories are present. 1948# Look if the user specified --enable-languages="..."; if not, use 1949# the environment variable $LANGUAGES if defined. $LANGUAGES might 1950# go away some day. 1951# NB: embedded tabs in this IF block -- do not untabify 1952if test -d ${srcdir}/gcc; then 1953 if test x"${enable_languages+set}" != xset; then 1954 if test x"${LANGUAGES+set}" = xset; then 1955 enable_languages="${LANGUAGES}" 1956 echo configure.ac: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2 1957 else 1958 enable_languages=default 1959 fi 1960 else 1961 if test x"${enable_languages}" = x || 1962 test x"${enable_languages}" = xyes; 1963 then 1964 echo configure.ac: --enable-languages needs at least one language argument 1>&2 1965 exit 1 1966 fi 1967 fi 1968 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'` 1969 1970 # 'f95' is the old name for the 'fortran' language. We issue a warning 1971 # and make the substitution. 1972 case ,${enable_languages}, in 1973 *,f95,*) 1974 echo configure.ac: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2 1975 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'` 1976 ;; 1977 esac 1978 1979 # If bootstrapping, C++ must be enabled. 1980 case ",$enable_languages,:$enable_bootstrap" in 1981 *,c++,*:*) ;; 1982 *:yes) 1983 if test -f ${srcdir}/gcc/cp/config-lang.in; then 1984 enable_languages="${enable_languages},c++" 1985 else 1986 AC_MSG_ERROR([bootstrapping requires c++ sources]) 1987 fi 1988 ;; 1989 esac 1990 1991 # First scan to see if an enabled language requires some other language. 1992 # We assume that a given config-lang.in will list all the language 1993 # front ends it requires, even if some are required indirectly. 1994 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do 1995 case ${lang_frag} in 1996 ..) ;; 1997 # The odd quoting in the next line works around 1998 # an apparent bug in bash 1.12 on linux. 1999 ${srcdir}/gcc/[[*]]/config-lang.in) ;; 2000 *) 2001 # From the config-lang.in, get $language, $lang_requires, and 2002 # $lang_requires_boot_languages. 2003 language= 2004 lang_requires= 2005 lang_requires_boot_languages= 2006 # set srcdir during sourcing lang_frag to the gcc dir. 2007 # Sadly overriding srcdir on the . line doesn't work in plain sh as it 2008 # polutes this shell 2009 saved_srcdir=${srcdir} 2010 srcdir=${srcdir}/gcc . ${lang_frag} 2011 srcdir=${saved_srcdir} 2012 for other in ${lang_requires} ${lang_requires_boot_languages}; do 2013 case ,${enable_languages}, in 2014 *,$other,*) ;; 2015 *,default,*) ;; 2016 *,all,*) ;; 2017 *,$language,*) 2018 echo " \`$other' language required by \`$language'; enabling" 1>&2 2019 enable_languages="${enable_languages},${other}" 2020 ;; 2021 esac 2022 done 2023 for other in ${lang_requires_boot_languages} ; do 2024 if test "$other" != "c"; then 2025 case ,${enable_stage1_languages}, in 2026 *,$other,*) ;; 2027 *,default,*) ;; 2028 *,all,*) ;; 2029 *) 2030 case ,${enable_languages}, in 2031 *,$language,*) 2032 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2 2033 enable_stage1_languages="$enable_stage1_languages,${other}" 2034 ;; 2035 esac 2036 ;; 2037 esac 2038 fi 2039 done 2040 ;; 2041 esac 2042 done 2043 2044 new_enable_languages=,c, 2045 2046 # If LTO is enabled, add the LTO front end. 2047 if test "$enable_lto" = "yes" ; then 2048 case ,${enable_languages}, in 2049 *,lto,*) ;; 2050 *) enable_languages="${enable_languages},lto" ;; 2051 esac 2052 if test "${build_lto_plugin}" = "yes" ; then 2053 configdirs="$configdirs lto-plugin" 2054 fi 2055 fi 2056 2057 # If we're building an offloading compiler, add the LTO front end. 2058 if test x"$enable_as_accelerator_for" != x ; then 2059 case ,${enable_languages}, in 2060 *,lto,*) ;; 2061 *) enable_languages="${enable_languages},lto" ;; 2062 esac 2063 fi 2064 2065 missing_languages=`echo ",$enable_languages," | sed -e s/,default,/,/ -e s/,all,/,/ -e s/,c,/,/ ` 2066 potential_languages=,c, 2067 2068 enabled_target_libs= 2069 disabled_target_libs= 2070 2071 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do 2072 case ${lang_frag} in 2073 ..) ;; 2074 # The odd quoting in the next line works around 2075 # an apparent bug in bash 1.12 on linux. 2076 ${srcdir}/gcc/[[*]]/config-lang.in) ;; 2077 *) 2078 # From the config-lang.in, get $language, $target_libs, 2079 # $lang_dirs, $boot_language, and $build_by_default 2080 language= 2081 target_libs= 2082 lang_dirs= 2083 subdir_requires= 2084 boot_language=no 2085 build_by_default=yes 2086 # set srcdir during sourcing. See above about save & restore 2087 saved_srcdir=${srcdir} 2088 srcdir=${srcdir}/gcc . ${lang_frag} 2089 srcdir=${saved_srcdir} 2090 if test x${language} = x; then 2091 echo "${lang_frag} doesn't set \$language." 1>&2 2092 exit 1 2093 fi 2094 2095 if test "$language" = "c++"; then 2096 boot_language=yes 2097 fi 2098 2099 add_this_lang=no 2100 # C is always enabled, so no need to add it again 2101 if test "$language" != "c"; then 2102 case ,${enable_languages}, in 2103 *,${language},*) 2104 # Language was explicitly selected; include it 2105 add_this_lang=yes 2106 ;; 2107 *,all,*) 2108 # All languages are enabled 2109 add_this_lang=all 2110 ;; 2111 *,default,*) 2112 # 'default' was selected, select it if it is a default language 2113 add_this_lang=${build_by_default} 2114 ;; 2115 esac 2116 fi 2117 2118 # Disable languages that need other directories if these aren't available. 2119 for i in $subdir_requires; do 2120 test -f "$srcdir/gcc/$i/config-lang.in" && continue 2121 case ${add_this_lang} in 2122 yes) 2123 # Specifically requested language; tell them. 2124 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing]) 2125 ;; 2126 all) 2127 AC_MSG_WARN([The gcc/$i directory contains parts of $language but is missing]) 2128 add_this_lang=unsupported 2129 ;; 2130 *) 2131 # Silently disable. 2132 add_this_lang=unsupported 2133 ;; 2134 esac 2135 done 2136 2137 # Disable Ada if no preexisting GNAT is available. 2138 case ${add_this_lang}:${language}:${have_gnat} in 2139 yes:ada:no) 2140 # Specifically requested language; tell them. 2141 AC_MSG_ERROR([GNAT is required to build $language]) 2142 ;; 2143 all:ada:no) 2144 AC_MSG_WARN([GNAT is required to build $language]) 2145 add_this_lang=unsupported 2146 ;; 2147 *:ada:no) 2148 # Silently disable. 2149 add_this_lang=unsupported 2150 ;; 2151 esac 2152 2153 # Disable D if no preexisting GDC is available. 2154 case ${add_this_lang}:${language}:${have_gdc} in 2155 yes:d:no) 2156 # Specifically requested language; tell them. 2157 AC_MSG_ERROR([GDC is required to build $language]) 2158 ;; 2159 all:d:no) 2160 AC_MSG_WARN([GDC is required to build $language]) 2161 add_this_lang=unsupported 2162 ;; 2163 *:d:no) 2164 # Silently disable. 2165 add_this_lang=unsupported 2166 ;; 2167 esac 2168 2169 # Disable jit if -enable-host-shared not specified 2170 # but not if building for Mingw. All code in Windows 2171 # is position independent code (PIC). 2172 case $target in 2173 *mingw*) ;; 2174 *) 2175 case ${add_this_lang}:${language}:${host_shared} in 2176 yes:jit:no) 2177 # PR jit/64780: explicitly specify --enable-host-shared 2178 AC_MSG_ERROR([ 2179Enabling language "jit" requires --enable-host-shared. 2180 2181--enable-host-shared typically slows the rest of the compiler down by 2182a few %, so you must explicitly enable it. 2183 2184If you want to build both the jit and the regular compiler, it is often 2185best to do this via two separate configure/builds, in separate 2186directories, to avoid imposing the performance cost of 2187--enable-host-shared on the regular compiler.]) 2188 ;; 2189 all:jit:no) 2190 AC_MSG_WARN([--enable-host-shared required to build $language]) 2191 add_this_lang=unsupported 2192 ;; 2193 *:jit:no) 2194 # Silently disable. 2195 add_this_lang=unsupported 2196 ;; 2197 esac 2198 ;; 2199 esac 2200 2201 # Disable a language that is unsupported by the target. 2202 case "${add_this_lang}: $unsupported_languages " in 2203 no:*) ;; 2204 unsupported:*) ;; 2205 *:*" $language "*) 2206 AC_MSG_WARN([${language} not supported for this target]) 2207 add_this_lang=unsupported 2208 ;; 2209 esac 2210 2211 case $add_this_lang in 2212 unsupported) 2213 # Remove language-dependent dirs. 2214 disabled_target_libs="$disabled_target_libs $target_libs" 2215 noconfigdirs="$noconfigdirs $lang_dirs" 2216 ;; 2217 no) 2218 # Remove language-dependent dirs; still show language as supported. 2219 disabled_target_libs="$disabled_target_libs $target_libs" 2220 noconfigdirs="$noconfigdirs $lang_dirs" 2221 potential_languages="${potential_languages}${language}," 2222 ;; 2223 all|yes) 2224 new_enable_languages="${new_enable_languages}${language}," 2225 potential_languages="${potential_languages}${language}," 2226 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"` 2227 enabled_target_libs="$enabled_target_libs $target_libs" 2228 case "${boot_language}:,$enable_stage1_languages," in 2229 yes:* | *:*,$language,* | *:*,yes, | *:*,all,) 2230 # Add to (comma-separated) list of stage 1 languages. 2231 case ",$stage1_languages," in 2232 *,$language,* | ,yes, | ,all,) ;; 2233 *) stage1_languages="${stage1_languages}${language}," ;; 2234 esac 2235 # We need to bootstrap any supporting libraries. 2236 bootstrap_target_libs=`echo "${bootstrap_target_libs}${target_libs}," | sed "s/ /,/g"` 2237 ;; 2238 esac 2239 ;; 2240 esac 2241 ;; 2242 esac 2243 done 2244 2245 # Add target libraries which are only needed for disabled languages 2246 # to noconfigdirs. 2247 if test -n "$disabled_target_libs"; then 2248 for dir in $disabled_target_libs; do 2249 case " $enabled_target_libs " in 2250 *" ${dir} "*) ;; 2251 *) noconfigdirs="$noconfigdirs $dir" ;; 2252 esac 2253 done 2254 fi 2255 2256 AC_ARG_ENABLE(stage1-languages, 2257 [AS_HELP_STRING([[--enable-stage1-languages[=all]]], 2258 [choose additional languages to build during 2259 stage1. Mostly useful for compiler development])], 2260 [case ,${enable_stage1_languages}, in 2261 ,no,|,,) 2262 # Set it to something that will have no effect in the loop below 2263 enable_stage1_languages=c ;; 2264 ,yes,) 2265 enable_stage1_languages=`echo $new_enable_languages | \ 2266 sed -e "s/^,//" -e "s/,$//" ` ;; 2267 *,all,*) 2268 enable_stage1_languages=`echo ,$enable_stage1_languages, | \ 2269 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;; 2270 esac 2271 2272 # Add "good" languages from enable_stage1_languages to stage1_languages, 2273 # while "bad" languages go in missing_languages. Leave no duplicates. 2274 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do 2275 case $potential_languages in 2276 *,$i,*) 2277 case $stage1_languages in 2278 *,$i,*) ;; 2279 *) stage1_languages="$stage1_languages$i," ;; 2280 esac ;; 2281 *) 2282 case $missing_languages in 2283 *,$i,*) ;; 2284 *) missing_languages="$missing_languages$i," ;; 2285 esac ;; 2286 esac 2287 done]) 2288 2289 # Remove leading/trailing commas that were added for simplicity 2290 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"` 2291 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"` 2292 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"` 2293 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"` 2294 2295 if test "x$missing_languages" != x; then 2296 AC_MSG_ERROR([ 2297The following requested languages could not be built: ${missing_languages} 2298Supported languages are: ${potential_languages}]) 2299 fi 2300 if test "x$new_enable_languages" != "x$enable_languages"; then 2301 echo The following languages will be built: ${new_enable_languages} 2302 enable_languages="$new_enable_languages" 2303 fi 2304 2305 AC_SUBST(stage1_languages) 2306 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" ` 2307fi 2308 2309# Handle --disable-<component> generically. 2310for dir in $configdirs $build_configdirs $target_configdirs ; do 2311 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g` 2312 varname=`echo $dirname | sed -e s/+/_/g` 2313 if eval test x\${enable_${varname}} "=" xno ; then 2314 noconfigdirs="$noconfigdirs $dir" 2315 fi 2316done 2317 2318# Check for Boehm's garbage collector 2319AC_ARG_ENABLE(objc-gc, 2320[AS_HELP_STRING([--enable-objc-gc], 2321 [enable use of Boehm's garbage collector with the 2322 GNU Objective-C runtime])]) 2323AC_ARG_WITH([target-bdw-gc], 2324[AS_HELP_STRING([--with-target-bdw-gc=PATHLIST], 2325 [specify prefix directory for installed bdw-gc package. 2326 Equivalent to --with-target-bdw-gc-include=PATH/include 2327 plus --with-target-bdw-gc-lib=PATH/lib])]) 2328AC_ARG_WITH([target-bdw-gc-include], 2329[AS_HELP_STRING([--with-target-bdw-gc-include=PATHLIST], 2330 [specify directories for installed bdw-gc include files])]) 2331AC_ARG_WITH([target-bdw-gc-lib], 2332[AS_HELP_STRING([--with-target-bdw-gc-lib=PATHLIST], 2333 [specify directories for installed bdw-gc library])]) 2334 2335case ,${enable_languages},:${enable_objc_gc} in *,objc,*:yes|*,objc,*:auto) 2336 AC_MSG_CHECKING([for bdw garbage collector]) 2337 if test "x$with_target_bdw_gc$with_target_bdw_gc_include$with_target_bdw_gc_lib" = x; then 2338 dnl no bdw-gw options, assume default locations 2339 AC_MSG_RESULT([using bdw-gc in default locations]) 2340 else 2341 dnl bdw-gw options, first error checking, complete checking in libobjc 2342 if test "x$with_target_bdw_gc_include" = x && test "x$with_target_bdw_gc_lib" != x; then 2343 AC_MSG_ERROR([found --with-target-bdw-gc-lib but --with-target-bdw-gc-include missing]) 2344 elif test "x$with_target_bdw_gc_include" != x && test "x$with_target_bdw_gc_lib" = x; then 2345 AC_MSG_ERROR([found --with-target-bdw-gc-include but --with-target-bdw-gc-lib missing]) 2346 else 2347 AC_MSG_RESULT([using paths configured with --with-target-bdw-gc options]) 2348 fi 2349 fi 2350esac 2351 2352# Disable libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++ 2353case ,${enable_languages}, in 2354 *,c++,*) 2355 # Disable libitm, libsanitizer if we're not building libstdc++ 2356 case "${noconfigdirs}" in 2357 *target-libstdc++-v3*) 2358 noconfigdirs="$noconfigdirs target-libitm target-libsanitizer" 2359 ;; 2360 *) ;; 2361 esac 2362 ;; 2363 *) 2364 noconfigdirs="$noconfigdirs target-liboffloadmic target-libitm target-libsanitizer target-libvtv" 2365 ;; 2366esac 2367 2368# If gcc/ is not in the source tree then we'll not be building a 2369# target compiler, assume in that case we don't want to build any 2370# target libraries or tools. 2371# 2372# This was added primarily for the benefit for binutils-gdb who reuse 2373# this configure script, but don't always have target tools available. 2374if test ! -d ${srcdir}/gcc; then 2375 skipdirs="${skipdirs} ${target_configdirs}" 2376fi 2377 2378# Remove the entries in $skipdirs and $noconfigdirs from $configdirs, 2379# $build_configdirs and $target_configdirs. 2380# If we have the source for $noconfigdirs entries, add them to $notsupp. 2381 2382notsupp="" 2383for dir in . $skipdirs $noconfigdirs ; do 2384 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g` 2385 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2386 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"` 2387 if test -r $srcdir/$dirname/configure ; then 2388 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2389 true 2390 else 2391 notsupp="$notsupp $dir" 2392 fi 2393 fi 2394 fi 2395 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2396 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"` 2397 if test -r $srcdir/$dirname/configure ; then 2398 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2399 true 2400 else 2401 notsupp="$notsupp $dir" 2402 fi 2403 fi 2404 fi 2405 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2406 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"` 2407 if test -r $srcdir/$dirname/configure ; then 2408 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2409 true 2410 else 2411 notsupp="$notsupp $dir" 2412 fi 2413 fi 2414 fi 2415done 2416 2417# Quietly strip out all directories which aren't configurable in this tree. 2418# This relies on all configurable subdirectories being autoconfiscated, which 2419# is now the case. 2420build_configdirs_all="$build_configdirs" 2421build_configdirs= 2422for i in ${build_configdirs_all} ; do 2423 j=`echo $i | sed -e s/build-//g` 2424 if test -f ${srcdir}/$j/configure ; then 2425 build_configdirs="${build_configdirs} $i" 2426 fi 2427done 2428 2429configdirs_all="$configdirs" 2430configdirs= 2431for i in ${configdirs_all} ; do 2432 if test -f ${srcdir}/$i/configure ; then 2433 configdirs="${configdirs} $i" 2434 fi 2435done 2436 2437target_configdirs_all="$target_configdirs" 2438target_configdirs= 2439for i in ${target_configdirs_all} ; do 2440 j=`echo $i | sed -e s/target-//g` 2441 if test -f ${srcdir}/$j/configure ; then 2442 target_configdirs="${target_configdirs} $i" 2443 fi 2444done 2445 2446# libiberty-linker-plugin is special: it doesn't have its own source directory, 2447# so we have to add it after the preceding checks. 2448if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x 2449then 2450 case " $configdirs " in 2451 *" libiberty "*) 2452 # If we can build libiberty, we can also build libiberty-linker-plugin. 2453 configdirs="$configdirs libiberty-linker-plugin" 2454 extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \ 2455 --with-libiberty=../libiberty-linker-plugin";; 2456 *) 2457 AC_MSG_ERROR([libiberty missing]);; 2458 esac 2459fi 2460 2461# Sometimes we have special requirements for the host libiberty. 2462extra_host_libiberty_configure_flags= 2463extra_host_zlib_configure_flags= 2464case " $configdirs " in 2465 *" lto-plugin "* | *" libcc1 "*) 2466 # When these are to be built as shared libraries, the same applies to 2467 # libiberty. 2468 extra_host_libiberty_configure_flags=--enable-shared 2469 ;; 2470 *" bfd "*) 2471 # When bfd is to be built as a shared library, the same applies to 2472 # zlib. 2473 if test "$enable_shared" = "yes"; then 2474 extra_host_zlib_configure_flags=--enable-host-shared 2475 fi 2476 ;; 2477esac 2478AC_SUBST(extra_host_libiberty_configure_flags) 2479AC_SUBST(extra_host_zlib_configure_flags) 2480 2481# Produce a warning message for the subdirs we can't configure. 2482# This isn't especially interesting in the Cygnus tree, but in the individual 2483# FSF releases, it's important to let people know when their machine isn't 2484# supported by the one or two programs in a package. 2485 2486if test -n "${notsupp}" && test -z "${norecursion}" ; then 2487 # If $appdirs is non-empty, at least one of those directories must still 2488 # be configured, or we error out. (E.g., if the gas release supports a 2489 # specified target in some subdirs but not the gas subdir, we shouldn't 2490 # pretend that all is well.) 2491 if test -n "$appdirs" ; then 2492 for dir in $appdirs ; do 2493 if test -r $dir/Makefile.in ; then 2494 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2495 appdirs="" 2496 break 2497 fi 2498 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then 2499 appdirs="" 2500 break 2501 fi 2502 fi 2503 done 2504 if test -n "$appdirs" ; then 2505 echo "*** This configuration is not supported by this package." 1>&2 2506 exit 1 2507 fi 2508 fi 2509 # Okay, some application will build, or we don't care to check. Still 2510 # notify of subdirs not getting built. 2511 echo "*** This configuration is not supported in the following subdirectories:" 1>&2 2512 echo " ${notsupp}" 1>&2 2513 echo " (Any other directories should still work fine.)" 1>&2 2514fi 2515 2516case "$host" in 2517 *msdosdjgpp*) 2518 enable_gdbtk=no ;; 2519esac 2520 2521# To find our prefix, in gcc_cv_tool_prefix. 2522ACX_TOOL_DIRS 2523 2524copy_dirs= 2525 2526AC_ARG_WITH([build-sysroot], 2527 [AS_HELP_STRING([--with-build-sysroot=SYSROOT], 2528 [use sysroot as the system root during the build])], 2529 [if test x"$withval" != x ; then 2530 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval" 2531 fi], 2532 [SYSROOT_CFLAGS_FOR_TARGET=]) 2533AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET) 2534 2535AC_ARG_WITH([debug-prefix-map], 2536 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'], 2537 [map A to B, C to D ... in debug information])], 2538 [if test x"$withval" != x; then 2539 DEBUG_PREFIX_CFLAGS_FOR_TARGET= 2540 for debug_map in $withval; do 2541 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map" 2542 done 2543 fi], 2544 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=]) 2545AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET) 2546 2547# During gcc bootstrap, if we use some random cc for stage1 then CFLAGS 2548# might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS 2549# might also be empty (or "-g", if a non-GCC C++ compiler is in the path). 2550# We want to ensure that TARGET libraries (which we know are built with 2551# gcc) are built with "-O2 -g", so include those options when setting 2552# CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET. 2553if test "x$CFLAGS_FOR_TARGET" = x; then 2554 if test "x${is_cross_compiler}" = xyes; then 2555 CFLAGS_FOR_TARGET="-g -O2" 2556 else 2557 CFLAGS_FOR_TARGET=$CFLAGS 2558 case " $CFLAGS " in 2559 *" -O2 "*) ;; 2560 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;; 2561 esac 2562 case " $CFLAGS " in 2563 *" -g "* | *" -g3 "*) ;; 2564 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;; 2565 esac 2566 fi 2567fi 2568AC_SUBST(CFLAGS_FOR_TARGET) 2569 2570if test "x$CXXFLAGS_FOR_TARGET" = x; then 2571 if test "x${is_cross_compiler}" = xyes; then 2572 CXXFLAGS_FOR_TARGET="-g -O2" 2573 else 2574 CXXFLAGS_FOR_TARGET=$CXXFLAGS 2575 case " $CXXFLAGS " in 2576 *" -O2 "*) ;; 2577 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;; 2578 esac 2579 case " $CXXFLAGS " in 2580 *" -g "* | *" -g3 "*) ;; 2581 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;; 2582 esac 2583 fi 2584fi 2585AC_SUBST(CXXFLAGS_FOR_TARGET) 2586 2587AC_SUBST(LDFLAGS_FOR_TARGET) 2588 2589# Handle --with-headers=XXX. If the value is not "yes", the contents of 2590# the named directory are copied to $(tooldir)/sys-include. 2591if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then 2592 if test x${is_cross_compiler} = xno ; then 2593 echo 1>&2 '***' --with-headers is only supported when cross compiling 2594 exit 1 2595 fi 2596 if test x"${with_headers}" != xyes ; then 2597 x=${gcc_cv_tool_prefix} 2598 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include" 2599 fi 2600fi 2601 2602# Handle --with-libs=XXX. If the value is not "yes", the contents of 2603# the name directories are copied to $(tooldir)/lib. Multiple directories 2604# are permitted. 2605if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then 2606 if test x${is_cross_compiler} = xno ; then 2607 echo 1>&2 '***' --with-libs is only supported when cross compiling 2608 exit 1 2609 fi 2610 if test x"${with_libs}" != xyes ; then 2611 # Copy the libraries in reverse order, so that files in the first named 2612 # library override files in subsequent libraries. 2613 x=${gcc_cv_tool_prefix} 2614 for l in ${with_libs}; do 2615 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}" 2616 done 2617 fi 2618fi 2619 2620# Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate. 2621# 2622# This is done by determining whether or not the appropriate directory 2623# is available, and by checking whether or not specific configurations 2624# have requested that this magic not happen. 2625# 2626# The command line options always override the explicit settings in 2627# configure.ac, and the settings in configure.ac override this magic. 2628# 2629# If the default for a toolchain is to use GNU as and ld, and you don't 2630# want to do that, then you should use the --without-gnu-as and 2631# --without-gnu-ld options for the configure script. Similarly, if 2632# the default is to use the included zlib and you don't want to do that, 2633# you should use the --with-system-zlib option for the configure script. 2634 2635if test x${use_gnu_as} = x && 2636 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then 2637 with_gnu_as=yes 2638 extra_host_args="$extra_host_args --with-gnu-as" 2639fi 2640 2641if test x${use_gnu_ld} = x && 2642 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then 2643 with_gnu_ld=yes 2644 extra_host_args="$extra_host_args --with-gnu-ld" 2645fi 2646 2647if test x${use_included_zlib} = x && 2648 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then 2649 : 2650else 2651 with_system_zlib=yes 2652 extra_host_args="$extra_host_args --with-system-zlib" 2653fi 2654 2655# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure 2656# can detect this case. 2657 2658if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then 2659 with_newlib=yes 2660 extra_host_args="$extra_host_args --with-newlib" 2661fi 2662 2663# Handle ${copy_dirs} 2664set fnord ${copy_dirs} 2665shift 2666while test $# != 0 ; do 2667 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then 2668 : 2669 else 2670 echo Copying $1 to $2 2671 2672 # Use the install script to create the directory and all required 2673 # parent directories. 2674 if test -d $2 ; then 2675 : 2676 else 2677 echo >config.temp 2678 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED 2679 fi 2680 2681 # Copy the directory, assuming we have tar. 2682 # FIXME: Should we use B in the second tar? Not all systems support it. 2683 (cd $1; tar -cf - .) | (cd $2; tar -xpf -) 2684 2685 # It is the responsibility of the user to correctly adjust all 2686 # symlinks. If somebody can figure out how to handle them correctly 2687 # here, feel free to add the code. 2688 2689 echo $1 > $2/COPIED 2690 fi 2691 shift; shift 2692done 2693 2694# Determine a target-dependent exec_prefix that the installed 2695# gcc will search in. Keep this list sorted by triplet, with 2696# the *-*-osname triplets last. 2697md_exec_prefix= 2698case "${target}" in 2699 i[[34567]]86-pc-msdosdjgpp*) 2700 md_exec_prefix=/dev/env/DJDIR/bin 2701 ;; 2702 *-*-hpux* | \ 2703 *-*-nto-qnx* | \ 2704 *-*-solaris2*) 2705 md_exec_prefix=/usr/ccs/bin 2706 ;; 2707esac 2708 2709extra_arflags_for_target= 2710extra_nmflags_for_target= 2711extra_ranlibflags_for_target= 2712target_makefile_frag=/dev/null 2713case "${target}" in 2714 spu-*-*) 2715 target_makefile_frag="config/mt-spu" 2716 ;; 2717 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*) 2718 target_makefile_frag="config/mt-sde" 2719 ;; 2720 mipsisa*-*-elfoabi*) 2721 target_makefile_frag="config/mt-mips-elfoabi" 2722 ;; 2723 mips*-*-*linux* | mips*-*-gnu*) 2724 target_makefile_frag="config/mt-mips-gnu" 2725 ;; 2726 nios2-*-elf*) 2727 target_makefile_frag="config/mt-nios2-elf" 2728 ;; 2729 *-*-linux-android*) 2730 target_makefile_frag="config/mt-android" 2731 ;; 2732 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 2733 target_makefile_frag="config/mt-gnu" 2734 ;; 2735 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*) 2736 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm 2737 # commands to handle both 32-bit and 64-bit objects. These flags are 2738 # harmless if we're using GNU nm or ar. 2739 extra_arflags_for_target=" -X32_64" 2740 extra_nmflags_for_target=" -B -X32_64" 2741 ;; 2742esac 2743 2744alphaieee_frag=/dev/null 2745case $target in 2746 alpha*-*-*) 2747 # This just makes sure to use the -mieee option to build target libs. 2748 # This should probably be set individually by each library. 2749 alphaieee_frag="config/mt-alphaieee" 2750 ;; 2751esac 2752 2753# If --enable-target-optspace always use -Os instead of -O2 to build 2754# the target libraries, similarly if it is not specified, use -Os 2755# on selected platforms. 2756ospace_frag=/dev/null 2757case "${enable_target_optspace}:${target}" in 2758 yes:*) 2759 ospace_frag="config/mt-ospace" 2760 ;; 2761 :d30v-*) 2762 ospace_frag="config/mt-d30v" 2763 ;; 2764 :m32r-* | :d10v-* | :fr30-* | :i?86*-*-elfiamcu) 2765 ospace_frag="config/mt-ospace" 2766 ;; 2767 no:* | :*) 2768 ;; 2769 *) 2770 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2 2771 ;; 2772esac 2773 2774# Some systems (e.g., one of the i386-aix systems the gas testers are 2775# using) don't handle "\$" correctly, so don't use it here. 2776tooldir='${exec_prefix}'/${target_noncanonical} 2777build_tooldir=${tooldir} 2778 2779# Create a .gdbinit file which runs the one in srcdir 2780# and tells GDB to look there for source files. 2781 2782if test -r ${srcdir}/.gdbinit ; then 2783 case ${srcdir} in 2784 .) ;; 2785 *) cat > ./.gdbinit <<EOF 2786# ${NO_EDIT} 2787dir ${srcdir} 2788dir . 2789source ${srcdir}/.gdbinit 2790EOF 2791 ;; 2792 esac 2793fi 2794 2795# Make sure that the compiler is able to generate an executable. If it 2796# can't, we are probably in trouble. We don't care whether we can run the 2797# executable--we might be using a cross compiler--we only care whether it 2798# can be created. At this point the main configure script has set CC. 2799we_are_ok=no 2800echo "int main () { return 0; }" > conftest.c 2801${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c 2802if test $? = 0 ; then 2803 if test -s conftest || test -s conftest.exe ; then 2804 we_are_ok=yes 2805 fi 2806fi 2807case $we_are_ok in 2808 no) 2809 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed." 2810 echo 1>&2 "*** You must set the environment variable CC to a working compiler." 2811 rm -f conftest* 2812 exit 1 2813 ;; 2814esac 2815rm -f conftest* 2816 2817# Decide which environment variable is used to find dynamic libraries. 2818case "${host}" in 2819 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;; 2820 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;; 2821 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;; 2822 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;; 2823esac 2824 2825# On systems where the dynamic library environment variable is PATH, 2826# gcc/ will put dynamic libraries into a subdirectory to avoid adding 2827# built executables to PATH. 2828if test "$RPATH_ENVVAR" = PATH; then 2829 GCC_SHLIB_SUBDIR=/shlib 2830else 2831 GCC_SHLIB_SUBDIR= 2832fi 2833 2834# Adjust the toplevel makefile according to whether bootstrap was selected. 2835case $enable_bootstrap in 2836 yes) 2837 bootstrap_suffix=bootstrap 2838 BUILD_CONFIG=bootstrap-debug 2839 ;; 2840 no) 2841 bootstrap_suffix=no-bootstrap 2842 BUILD_CONFIG= 2843 ;; 2844esac 2845 2846AC_MSG_CHECKING(for default BUILD_CONFIG) 2847 2848AC_ARG_WITH([build-config], 2849 [AS_HELP_STRING([--with-build-config='NAME NAME2...'], 2850 [use config/NAME.mk build configuration])], 2851 [case $with_build_config in 2852 yes) with_build_config= ;; 2853 no) with_build_config= BUILD_CONFIG= ;; 2854 esac]) 2855 2856if test "x${with_build_config}" != x; then 2857 BUILD_CONFIG=$with_build_config 2858else 2859 case $BUILD_CONFIG in 2860 bootstrap-debug) 2861 if echo "int f (void) { return 0; }" > conftest.c && 2862 ${CC} -c conftest.c && 2863 mv conftest.o conftest.o.g0 && 2864 ${CC} -c -g conftest.c && 2865 mv conftest.o conftest.o.g && 2866 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then 2867 : 2868 else 2869 BUILD_CONFIG= 2870 fi 2871 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g 2872 ;; 2873 esac 2874fi 2875AC_MSG_RESULT($BUILD_CONFIG) 2876AC_SUBST(BUILD_CONFIG) 2877 2878# Use same top-level configure hooks in libgcc/libstdc++/libvtv. 2879AC_MSG_CHECKING([for --enable-vtable-verify]) 2880AC_ARG_ENABLE(vtable-verify, 2881[AS_HELP_STRING([--enable-vtable-verify], 2882 [Enable vtable verification feature])], 2883[case "$enableval" in 2884 yes) enable_vtable_verify=yes ;; 2885 no) enable_vtable_verify=no ;; 2886 *) enable_vtable_verify=no;; 2887 esac], 2888[enable_vtable_verify=no]) 2889AC_MSG_RESULT($enable_vtable_verify) 2890 2891# Record target_configdirs and the configure arguments for target and 2892# build configuration in Makefile. 2893target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'` 2894build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'` 2895bootstrap_fixincludes=no 2896 2897# If we are building libgomp, bootstrap it. 2898if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then 2899 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp, 2900fi 2901 2902# If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan 2903# or bootstrap-ubsan, bootstrap it. 2904if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then 2905 case "$BUILD_CONFIG" in 2906 *bootstrap-hwasan* | *bootstrap-asan* | *bootstrap-ubsan* ) 2907 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer, 2908 bootstrap_fixincludes=yes 2909 ;; 2910 esac 2911fi 2912 2913# If we are building libvtv and --enable-vtable-verify, bootstrap it. 2914if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 && 2915 test "$enable_vtable_verify" != no; then 2916 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv, 2917fi 2918 2919# If we are building libatomic and the list of enabled languages includes the 2920# D frontend, bootstrap it. 2921if echo " ${target_configdirs} " | grep " libatomic " > /dev/null 2>&1; then 2922 case ,${enable_languages}, in 2923 *,d,*) 2924 bootstrap_target_libs=${bootstrap_target_libs}target-libatomic, 2925 ;; 2926 esac 2927fi 2928 2929# Determine whether gdb needs tk/tcl or not. 2930# Use 'maybe' since enable_gdbtk might be true even if tk isn't available 2931# and in that case we want gdb to be built without tk. Ugh! 2932# In fact I believe gdb is the *only* package directly dependent on tk, 2933# so we should be able to put the 'maybe's in unconditionally and 2934# leave out the maybe dependencies when enable_gdbtk is false. I'm not 2935# 100% sure that that's safe though. 2936 2937gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui" 2938case "$enable_gdbtk" in 2939 no) 2940 GDB_TK="" ;; 2941 yes) 2942 GDB_TK="${gdb_tk}" ;; 2943 *) 2944 # Only add the dependency on gdbtk when GDBtk is part of the gdb 2945 # distro. Eventually someone will fix this and move Insight, nee 2946 # gdbtk to a separate directory. 2947 if test -d ${srcdir}/gdb/gdbtk ; then 2948 GDB_TK="${gdb_tk}" 2949 else 2950 GDB_TK="" 2951 fi 2952 ;; 2953esac 2954CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g` 2955INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g` 2956 2957# gdb and gdbserver depend on gnulib and gdbsupport, but as nothing 2958# else does, only include them if one of these is built. The Makefile 2959# provides the ordering, so it's enough here to add to the list. 2960case " ${configdirs} " in 2961 *\ gdb\ *) 2962 configdirs="${configdirs} gnulib gdbsupport" 2963 ;; 2964 *\ gdbserver\ *) 2965 configdirs="${configdirs} gnulib gdbsupport" 2966 ;; 2967 *\ sim\ *) 2968 configdirs="${configdirs} gnulib" 2969 ;; 2970esac 2971 2972# Strip out unwanted targets. 2973 2974# While at that, we remove Makefiles if we were started for recursive 2975# configuration, so that the top-level Makefile reconfigures them, 2976# like we used to do when configure itself was recursive. 2977 2978# Loop over modules. We used to use the "$extrasub" feature from Autoconf 2979# but now we're fixing up the Makefile ourselves with the additional 2980# commands passed to AC_CONFIG_FILES. Use separate variables 2981# extrasub-{build,host,target} not because there is any reason to split 2982# the substitutions up that way, but only to remain below the limit of 2983# 99 commands in a script, for HP-UX sed. 2984 2985# Do not nest @if/@endif or @unless/@endunless pairs, because 2986# configure will not warn you at all. 2987 2988case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in 2989 yes:yes:*\ gold\ *:*,c++,*) ;; 2990 yes:yes:*\ gold\ *:*) 2991 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages]) 2992 ;; 2993esac 2994 2995extrasub_build= 2996for module in ${build_configdirs} ; do 2997 if test -z "${no_recursion}" \ 2998 && test -f ${build_subdir}/${module}/Makefile; then 2999 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure" 3000 rm -f ${build_subdir}/${module}/Makefile 3001 fi 3002 extrasub_build="$extrasub_build 3003/^@if build-$module\$/d 3004/^@endif build-$module\$/d 3005/^@unless build-$module\$/,/^@endunless build-$module\$/d 3006/^@if build-$module-$bootstrap_suffix\$/d 3007/^@endif build-$module-$bootstrap_suffix\$/d 3008/^@unless build-$module-$bootstrap_suffix\$/,/^@endunless build-$module-$bootstrap_suffix\$/d" 3009done 3010extrasub_host= 3011for module in ${configdirs} ; do 3012 if test -z "${no_recursion}"; then 3013 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do 3014 if test -f ${file}; then 3015 echo 1>&2 "*** removing ${file} to force reconfigure" 3016 rm -f ${file} 3017 fi 3018 done 3019 fi 3020 case ${module},${bootstrap_fixincludes} in 3021 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;; 3022 *) host_bootstrap_suffix=$bootstrap_suffix ;; 3023 esac 3024 extrasub_host="$extrasub_host 3025/^@if $module\$/d 3026/^@endif $module\$/d 3027/^@unless $module\$/,/^@endunless $module\$/d 3028/^@if $module-$host_bootstrap_suffix\$/d 3029/^@endif $module-$host_bootstrap_suffix\$/d 3030/^@unless $module-$host_bootstrap_suffix\$/,/^@endunless $module-$host_bootstrap_suffix\$/d" 3031done 3032extrasub_target= 3033for module in ${target_configdirs} ; do 3034 if test -z "${no_recursion}" \ 3035 && test -f ${target_subdir}/${module}/Makefile; then 3036 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure" 3037 rm -f ${target_subdir}/${module}/Makefile 3038 fi 3039 3040 # We only bootstrap target libraries listed in bootstrap_target_libs. 3041 case $bootstrap_target_libs in 3042 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;; 3043 *) target_bootstrap_suffix=no-bootstrap ;; 3044 esac 3045 3046 extrasub_target="$extrasub_target 3047/^@if target-$module\$/d 3048/^@endif target-$module\$/d 3049/^@unless target-$module\$/,/^@endunless target-$module\$/d 3050/^@if target-$module-$target_bootstrap_suffix\$/d 3051/^@endif target-$module-$target_bootstrap_suffix\$/d 3052/^@unless target-$module-$target_bootstrap_suffix\$/,/^@endunless target-$module-$target_bootstrap_suffix\$/d" 3053done 3054 3055# Do the final fixup along with target modules. 3056extrasub_target="$extrasub_target 3057/^@if /,/^@endif /d 3058/^@unless /d 3059/^@endunless /d" 3060 3061if test "$enable_pgo_build" != "no"; then 3062 extrasub_build="$extrasub_build 3063/^@if pgo-build\$/d 3064/^@endif pgo-build\$/d" 3065fi 3066 3067# Create the serialization dependencies. This uses a temporary file. 3068 3069AC_ARG_ENABLE([serial-configure], 3070[AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]], 3071 [force sequential configuration of 3072 sub-packages for the host, target or build 3073 machine, or all sub-packages])]) 3074 3075case ${enable_serial_configure} in 3076 yes) 3077 enable_serial_build_configure=yes 3078 enable_serial_host_configure=yes 3079 enable_serial_target_configure=yes 3080 ;; 3081esac 3082 3083# These force 'configure's to be done one at a time, to avoid problems 3084# with contention over a shared config.cache. 3085rm -f serdep.tmp 3086echo '# serdep.tmp' > serdep.tmp 3087olditem= 3088test "x${enable_serial_build_configure}" = xyes && 3089for item in ${build_configdirs} ; do 3090 case ${olditem} in 3091 "") ;; 3092 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;; 3093 esac 3094 olditem=${item} 3095done 3096olditem= 3097test "x${enable_serial_host_configure}" = xyes && 3098for item in ${configdirs} ; do 3099 case ${olditem} in 3100 "") ;; 3101 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;; 3102 esac 3103 olditem=${item} 3104done 3105olditem= 3106test "x${enable_serial_target_configure}" = xyes && 3107for item in ${target_configdirs} ; do 3108 case ${olditem} in 3109 "") ;; 3110 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;; 3111 esac 3112 olditem=${item} 3113done 3114serialization_dependencies=serdep.tmp 3115AC_SUBST_FILE(serialization_dependencies) 3116 3117# Base args. Strip norecursion, cache-file, srcdir, host, build, 3118# target, nonopt, and variable assignments. These are the ones we 3119# might not want to pass down to subconfigures. The exception being 3120# --cache-file=/dev/null, which is used to turn off the use of cache 3121# files altogether, and which should be passed on to subconfigures. 3122# Also strip program-prefix, program-suffix, and program-transform-name, 3123# so that we can pass down a consistent program-transform-name. 3124baseargs= 3125tbaseargs= 3126keep_next=no 3127skip_next=no 3128eval "set -- $ac_configure_args" 3129for ac_arg 3130do 3131 if test X"$skip_next" = X"yes"; then 3132 skip_next=no 3133 continue 3134 fi 3135 if test X"$keep_next" = X"yes"; then 3136 case $ac_arg in 3137 *\'*) 3138 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; 3139 esac 3140 baseargs="$baseargs '$ac_arg'" 3141 tbaseargs="$tbaseargs '$ac_arg'" 3142 keep_next=no 3143 continue 3144 fi 3145 3146 # Handle separated arguments. Based on the logic generated by 3147 # autoconf 2.59. 3148 case $ac_arg in 3149 *=* | --config-cache | -C | -disable-* | --disable-* \ 3150 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \ 3151 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \ 3152 | -with-* | --with-* | -without-* | --without-* | --x) 3153 separate_arg=no 3154 ;; 3155 -*) 3156 separate_arg=yes 3157 ;; 3158 *) 3159 separate_arg=no 3160 ;; 3161 esac 3162 3163 skip_targ=no 3164 case $ac_arg in 3165changequote(,) 3166 --with-* | --without-*) 3167 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'` 3168 3169 case $libopt in 3170 *[-_]include) 3171 lib=`echo "$libopt" | sed 's,[-_]include$,,'` 3172 ;; 3173 *[-_]lib) 3174 lib=`echo "$libopt" | sed 's,[-_]lib$,,'` 3175 ;; 3176 *) 3177 lib=$libopt 3178 ;; 3179 esac 3180changequote([,]) 3181 3182 case $lib in 3183 mpc | mpfr | gmp | isl) 3184 # If we're processing --with-$lib, --with-$lib-include or 3185 # --with-$lib-lib, for one of the libs above, and target is 3186 # different from host, don't pass the current argument to any 3187 # target library's configure. 3188 if test x$is_cross_compiler = xyes; then 3189 skip_targ=yes 3190 fi 3191 ;; 3192 esac 3193 ;; 3194 esac 3195 3196 case "$ac_arg" in 3197 --cache-file=/dev/null | \ 3198 -cache-file=/dev/null ) 3199 # Handled here to avoid the test to skip args below. 3200 baseargs="$baseargs '$ac_arg'" 3201 tbaseargs="$tbaseargs '$ac_arg'" 3202 # Assert: $separate_arg should always be no. 3203 keep_next=$separate_arg 3204 ;; 3205 --no*) 3206 continue 3207 ;; 3208 --c* | \ 3209 --sr* | \ 3210 --ho* | \ 3211 --bu* | \ 3212 --t* | \ 3213 --program-* | \ 3214 -cache_file* | \ 3215 -srcdir* | \ 3216 -host* | \ 3217 -build* | \ 3218 -target* | \ 3219 -program-prefix* | \ 3220 -program-suffix* | \ 3221 -program-transform-name* ) 3222 skip_next=$separate_arg 3223 continue 3224 ;; 3225 -*) 3226 # An option. Add it. 3227 case $ac_arg in 3228 *\'*) 3229 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; 3230 esac 3231 baseargs="$baseargs '$ac_arg'" 3232 if test X"$skip_targ" = Xno; then 3233 tbaseargs="$tbaseargs '$ac_arg'" 3234 fi 3235 keep_next=$separate_arg 3236 ;; 3237 *) 3238 # Either a variable assignment, or a nonopt (triplet). Don't 3239 # pass it down; let the Makefile handle this. 3240 continue 3241 ;; 3242 esac 3243done 3244# Remove the initial space we just introduced and, as these will be 3245# expanded by make, quote '$'. 3246baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'` 3247 3248# Add in --program-transform-name, after --program-prefix and 3249# --program-suffix have been applied to it. Autoconf has already 3250# doubled dollar signs and backslashes in program_transform_name; we want 3251# the backslashes un-doubled, and then the entire thing wrapped in single 3252# quotes, because this will be expanded first by make and then by the shell. 3253# Also, because we want to override the logic in subdir configure scripts to 3254# choose program_transform_name, replace any s,x,x, with s,y,y,. 3255sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out 3256${program_transform_name} 3257EOF_SED 3258gcc_transform_name=`cat conftestsed.out` 3259rm -f conftestsed.out 3260baseargs="$baseargs --program-transform-name='${gcc_transform_name}'" 3261tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'" 3262if test "$silent" = yes; then 3263 baseargs="$baseargs --silent" 3264 tbaseargs="$tbaseargs --silent" 3265fi 3266baseargs="$baseargs --disable-option-checking" 3267tbaseargs="$tbaseargs --disable-option-checking" 3268 3269# Record and document user additions to sub configure arguments. 3270AC_ARG_VAR([build_configargs], 3271 [additional configure arguments for build directories]) 3272AC_ARG_VAR([host_configargs], 3273 [additional configure arguments for host directories]) 3274AC_ARG_VAR([target_configargs], 3275 [additional configure arguments for target directories]) 3276 3277# For the build-side libraries, we just need to pretend we're native, 3278# and not use the same cache file. Multilibs are neither needed nor 3279# desired. We can't even use the same cache file for all build-side 3280# libraries, as they're compiled differently; some with C, some with 3281# C++ or with different feature-enabling options. 3282build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}" 3283 3284# For host modules, accept cache file option, or specification as blank. 3285case "${cache_file}" in 3286"") # empty 3287 cache_file_option="" ;; 3288/* | [[A-Za-z]]:[[\\/]]* ) # absolute path 3289 cache_file_option="--cache-file=${cache_file}" ;; 3290*) # relative path 3291 cache_file_option="--cache-file=../${cache_file}" ;; 3292esac 3293 3294# Host dirs don't like to share a cache file either, horribly enough. 3295# This seems to be due to autoconf 2.5x stupidity. 3296host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}" 3297 3298target_configargs="$target_configargs ${tbaseargs}" 3299 3300# Passing a --with-cross-host argument lets the target libraries know 3301# whether they are being built with a cross-compiler or being built 3302# native. However, it would be better to use other mechanisms to make the 3303# sorts of decisions they want to make on this basis. Please consider 3304# this option to be deprecated. FIXME. 3305if test x${is_cross_compiler} = xyes ; then 3306 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}" 3307fi 3308 3309# Special user-friendly check for native x86_64-linux build, if 3310# multilib is not explicitly enabled. 3311case "$target:$have_compiler:$host:$target:$enable_multilib" in 3312 x86_64-*linux*:yes:$build:$build:) 3313 # Make sure we have a development environment that handles 32-bit 3314 dev64=no 3315 echo "int main () { return 0; }" > conftest.c 3316 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c 3317 if test $? = 0 ; then 3318 if test -s conftest || test -s conftest.exe ; then 3319 dev64=yes 3320 fi 3321 fi 3322 rm -f conftest* 3323 if test x${dev64} != xyes ; then 3324 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.]) 3325 fi 3326 ;; 3327esac 3328 3329# Default to --enable-multilib. 3330if test x${enable_multilib} = x ; then 3331 target_configargs="--enable-multilib ${target_configargs}" 3332fi 3333 3334# Pass --with-newlib if appropriate. Note that target_configdirs has 3335# changed from the earlier setting of with_newlib. 3336if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then 3337 target_configargs="--with-newlib ${target_configargs}" 3338fi 3339 3340# Different target subdirs use different values of certain variables 3341# (notably CXX). Worse, multilibs use *lots* of different values. 3342# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that 3343# it doesn't automatically accept command-line overrides of them. 3344# This means it's not safe for target subdirs to share a cache file, 3345# which is disgusting, but there you have it. Hopefully this can be 3346# fixed in future. It's still worthwhile to use a cache file for each 3347# directory. I think. 3348 3349# Pass the appropriate --build, --host, --target and --cache-file arguments. 3350# We need to pass --target, as newer autoconf's requires consistency 3351# for target_alias and gcc doesn't manage it consistently. 3352target_configargs="--cache-file=./config.cache ${target_configargs}" 3353 3354FLAGS_FOR_TARGET= 3355case " $target_configdirs " in 3356 *" newlib "*) 3357 case " $target_configargs " in 3358 *" --with-newlib "*) 3359 case "$target" in 3360 *-cygwin*) 3361 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include' 3362 ;; 3363 esac 3364 3365 # If we're not building GCC, don't discard standard headers. 3366 if test -d ${srcdir}/gcc; then 3367 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc' 3368 3369 if test "${build}" != "${host}"; then 3370 # On Canadian crosses, CC_FOR_TARGET will have already been set 3371 # by `configure', so we won't have an opportunity to add -Bgcc/ 3372 # to it. This is right: we don't want to search that directory 3373 # for binaries, but we want the header files in there, so add 3374 # them explicitly. 3375 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed' 3376 3377 # Someone might think of using the pre-installed headers on 3378 # Canadian crosses, in case the installed compiler is not fully 3379 # compatible with the compiler being built. In this case, it 3380 # would be better to flag an error than risking having 3381 # incompatible object files being constructed. We can't 3382 # guarantee that an error will be flagged, but let's hope the 3383 # compiler will do it, when presented with incompatible header 3384 # files. 3385 fi 3386 fi 3387 3388 case "${target}-${is_cross_compiler}" in 3389 i[[3456789]]86-*-linux*-no) 3390 # Here host == target, so we don't need to build gcc, 3391 # so we don't want to discard standard headers. 3392 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'` 3393 ;; 3394 *) 3395 # If we're building newlib, use its generic headers last, but search 3396 # for any libc-related directories first (so make it the last -B 3397 # switch). 3398 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include' 3399 3400 # If we're building libgloss, find the startup file, simulator library 3401 # and linker script. 3402 case " $target_configdirs " in 3403 *" libgloss "*) 3404 # Look for startup file, simulator library and maybe linker script. 3405 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir" 3406 # Look for libnosys.a in case the target needs it. 3407 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys' 3408 # Most targets have the linker script in the source directory. 3409 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir" 3410 ;; 3411 esac 3412 ;; 3413 esac 3414 ;; 3415 esac 3416 ;; 3417esac 3418 3419case "$target" in 3420 x86_64-*mingw* | *-w64-mingw*) 3421 # MinGW-w64 does not use newlib, nor does it use winsup. It may, 3422 # however, use a symlink named 'mingw' in ${prefix} . 3423 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include' 3424 ;; 3425 *-mingw*) 3426 # MinGW can't be handled as Cygwin above since it does not use newlib. 3427 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include' 3428 ;; 3429esac 3430 3431# Allow the user to override the flags for 3432# our build compiler if desired. 3433if test x"${build}" = x"${host}" ; then 3434 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}} 3435 CPPFLAGS_FOR_BUILD=${CPPFLAGS_FOR_BUILD-${CPPFLAGS}} 3436 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}} 3437 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}} 3438fi 3439 3440# On Canadian crosses, we'll be searching the right directories for 3441# the previously-installed cross compiler, so don't bother to add 3442# flags for directories within the install tree of the compiler 3443# being built; programs in there won't even run. 3444if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then 3445 # Search for pre-installed headers if nothing else fits. 3446 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include' 3447fi 3448 3449if test "x${use_gnu_ld}" = x && 3450 echo " ${configdirs} " | grep " ld " > /dev/null ; then 3451 # Arrange for us to find uninstalled linker scripts. 3452 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld' 3453fi 3454 3455# Search for other target-specific linker scripts and such. 3456case "${target}" in 3457 mep*) 3458 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary" 3459 ;; 3460esac 3461 3462# Makefile fragments. 3463for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag; 3464do 3465 eval fragval=\$$frag 3466 if test $fragval != /dev/null; then 3467 eval $frag=${srcdir}/$fragval 3468 fi 3469done 3470AC_SUBST_FILE(host_makefile_frag) 3471AC_SUBST_FILE(target_makefile_frag) 3472AC_SUBST_FILE(alphaieee_frag) 3473AC_SUBST_FILE(ospace_frag) 3474 3475# Miscellanea: directories, flags, etc. 3476AC_SUBST(RPATH_ENVVAR) 3477AC_SUBST(GCC_SHLIB_SUBDIR) 3478AC_SUBST(tooldir) 3479AC_SUBST(build_tooldir) 3480AC_SUBST(CONFIGURE_GDB_TK) 3481AC_SUBST(GDB_TK) 3482AC_SUBST(INSTALL_GDB_TK) 3483 3484# Build module lists & subconfigure args. 3485AC_SUBST(build_configargs) 3486AC_SUBST(build_configdirs) 3487 3488# Host module lists & subconfigure args. 3489AC_SUBST(host_configargs) 3490AC_SUBST(configdirs) 3491AC_SUBST(target_configdirs) 3492 3493# Target module lists & subconfigure args. 3494AC_SUBST(target_configargs) 3495 3496 3497# Build tools. 3498AC_SUBST(AR_FOR_BUILD) 3499AC_SUBST(AS_FOR_BUILD) 3500AC_SUBST(CC_FOR_BUILD) 3501AC_SUBST(CFLAGS_FOR_BUILD) 3502AC_SUBST(CPP_FOR_BUILD) 3503AC_SUBST(CPPFLAGS_FOR_BUILD) 3504AC_SUBST(CXXFLAGS_FOR_BUILD) 3505AC_SUBST(CXX_FOR_BUILD) 3506AC_SUBST(DLLTOOL_FOR_BUILD) 3507AC_SUBST(DSYMUTIL_FOR_BUILD) 3508AC_SUBST(GFORTRAN_FOR_BUILD) 3509AC_SUBST(GOC_FOR_BUILD) 3510AC_SUBST(GDC_FOR_BUILD) 3511AC_SUBST(LDFLAGS_FOR_BUILD) 3512AC_SUBST(LD_FOR_BUILD) 3513AC_SUBST(NM_FOR_BUILD) 3514AC_SUBST(RANLIB_FOR_BUILD) 3515AC_SUBST(WINDMC_FOR_BUILD) 3516AC_SUBST(WINDRES_FOR_BUILD) 3517 3518# Generate default definitions for YACC, M4, LEX and other programs that run 3519# on the build machine. These are used if the Makefile can't locate these 3520# programs in objdir. 3521MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing 3522 3523AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y]) 3524case " $build_configdirs " in 3525 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;; 3526esac 3527 3528AC_CHECK_PROGS([BISON], [bison], [$MISSING bison]) 3529case " $build_configdirs " in 3530 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;; 3531esac 3532 3533AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4]) 3534case " $build_configdirs " in 3535 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;; 3536esac 3537 3538AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex]) 3539case " $build_configdirs " in 3540 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;; 3541 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;; 3542esac 3543 3544AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex]) 3545case " $build_configdirs " in 3546 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;; 3547esac 3548 3549AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo]) 3550case " $build_configdirs " in 3551 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;; 3552 *) 3553changequote(,) 3554 # For an installed makeinfo, we require it to be from texinfo 4.7 or 3555 # higher, else we use the "missing" dummy. 3556 if ${MAKEINFO} --version \ 3557 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then 3558 : 3559 else 3560 MAKEINFO="$MISSING makeinfo" 3561 fi 3562 ;; 3563changequote([,]) 3564esac 3565 3566# FIXME: expect and dejagnu may become build tools? 3567 3568AC_CHECK_PROGS(EXPECT, expect, expect) 3569case " $configdirs " in 3570 *" expect "*) 3571 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect' 3572 ;; 3573esac 3574 3575AC_CHECK_PROGS(RUNTEST, runtest, runtest) 3576case " $configdirs " in 3577 *" dejagnu "*) 3578 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest' 3579 ;; 3580esac 3581 3582 3583# Host tools. 3584NCN_STRICT_CHECK_TOOLS(AR, ar) 3585NCN_STRICT_CHECK_TOOLS(AS, as) 3586NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool) 3587NCN_STRICT_CHECK_TOOLS(DSYMUTIL, dsymutil) 3588NCN_STRICT_CHECK_TOOLS(LD, ld) 3589NCN_STRICT_CHECK_TOOLS(LIPO, lipo) 3590NCN_STRICT_CHECK_TOOLS(NM, nm) 3591NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true) 3592NCN_STRICT_CHECK_TOOLS(STRIP, strip, true) 3593NCN_STRICT_CHECK_TOOLS(WINDRES, windres) 3594NCN_STRICT_CHECK_TOOLS(WINDMC, windmc) 3595NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy) 3596NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump) 3597NCN_STRICT_CHECK_TOOLS(OTOOL, otool) 3598NCN_STRICT_CHECK_TOOLS(READELF, readelf) 3599AC_SUBST(CC) 3600AC_SUBST(CXX) 3601AC_SUBST(CFLAGS) 3602AC_SUBST(CXXFLAGS) 3603AC_SUBST(GDC) 3604AC_SUBST(GDCFLAGS) 3605 3606# Target tools. 3607AC_ARG_WITH([build-time-tools], 3608 [AS_HELP_STRING([--with-build-time-tools=PATH], 3609 [use given path to find target tools during the build])], 3610 [case x"$withval" in 3611 x/*) ;; 3612 *) 3613 with_build_time_tools= 3614 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path]) 3615 ;; 3616 esac], 3617 [with_build_time_tools=]) 3618 3619NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc) 3620NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx) 3621NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET}) 3622NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran) 3623NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo) 3624NCN_STRICT_CHECK_TARGET_TOOLS(GDC_FOR_TARGET, gdc) 3625 3626ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar) 3627ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as) 3628ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool) 3629ACX_CHECK_INSTALLED_TARGET_TOOL(DSYMUTIL_FOR_TARGET, dsymutil) 3630ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld) 3631ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo) 3632ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm) 3633ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy) 3634ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump) 3635ACX_CHECK_INSTALLED_TARGET_TOOL(OTOOL_FOR_TARGET, otool) 3636ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib) 3637ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf) 3638ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip) 3639ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres) 3640ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc) 3641 3642RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET" 3643 3644GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar]) 3645GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new]) 3646GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) 3647dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS 3648GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX, 3649 [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], 3650 c++) 3651GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX, 3652 [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], 3653 c++) 3654GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool]) 3655GCC_TARGET_TOOL(dsymutil, DSYMUTIL_FOR_TARGET, DSYMUTIL) 3656GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) 3657GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN, 3658 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran) 3659GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC, 3660 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go) 3661GCC_TARGET_TOOL(gdc, GDC_FOR_TARGET, GDC, 3662 [gcc/gdc -B$$r/$(HOST_SUBDIR)/gcc/], d) 3663GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new]) 3664GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO) 3665GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new]) 3666GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy]) 3667GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump]) 3668GCC_TARGET_TOOL(otool, OTOOL_FOR_TARGET, OTOOL) 3669GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib]) 3670GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf]) 3671GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new]) 3672GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres]) 3673GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc]) 3674 3675AC_SUBST(FLAGS_FOR_TARGET) 3676AC_SUBST(RAW_CXX_FOR_TARGET) 3677 3678# Certain tools may need extra flags. 3679AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target} 3680RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target} 3681NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target} 3682 3683# When building target libraries, except in a Canadian cross, we use 3684# the same toolchain as the compiler we just built. 3685COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)' 3686COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)' 3687COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)' 3688if test $host = $build; then 3689 case " $configdirs " in 3690 *" gcc "*) 3691 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as' 3692 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld' 3693 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target} 3694 ;; 3695 esac 3696fi 3697 3698AC_SUBST(COMPILER_AS_FOR_TARGET) 3699AC_SUBST(COMPILER_LD_FOR_TARGET) 3700AC_SUBST(COMPILER_NM_FOR_TARGET) 3701 3702AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) 3703AC_ARG_ENABLE(maintainer-mode, 3704[AS_HELP_STRING([--enable-maintainer-mode], 3705 [enable make rules and dependencies not useful 3706 (and sometimes confusing) to the casual installer])], 3707 USE_MAINTAINER_MODE=$enableval, 3708 USE_MAINTAINER_MODE=no) 3709AC_MSG_RESULT($USE_MAINTAINER_MODE) 3710AC_SUBST(MAINTAINER_MODE_TRUE) 3711AC_SUBST(MAINTAINER_MODE_FALSE) 3712if test "$USE_MAINTAINER_MODE" = yes; then 3713 MAINTAINER_MODE_TRUE= 3714 MAINTAINER_MODE_FALSE='#' 3715else 3716 MAINTAINER_MODE_TRUE='#' 3717 MAINTAINER_MODE_FALSE= 3718fi 3719MAINT=$MAINTAINER_MODE_TRUE 3720AC_SUBST(MAINT)dnl 3721 3722# --------------------- 3723# GCC bootstrap support 3724# --------------------- 3725 3726# Stage specific cflags for build. 3727stage1_cflags="-g" 3728case $build in 3729 vax-*-*) 3730 case ${GCC} in 3731 yes) stage1_cflags="-g -Wa,-J" ;; 3732 *) stage1_cflags="-g -J" ;; 3733 esac ;; 3734esac 3735 3736AC_SUBST(stage1_cflags) 3737 3738# Enable --enable-checking in stage1 of the compiler. 3739AC_ARG_ENABLE(stage1-checking, 3740[AS_HELP_STRING([[--enable-stage1-checking[=all]]], 3741 [choose additional checking for stage1 of the compiler])], 3742[stage1_checking=--enable-checking=${enable_stage1_checking}], 3743[if test "x$enable_checking" = xno || test "x$enable_checking" = x; then 3744 # For --disable-checking or implicit --enable-checking=release, avoid 3745 # setting --enable-checking=gc in the default stage1 checking for LTO 3746 # bootstraps. See PR62077. 3747 case $BUILD_CONFIG in 3748 *lto*) 3749 stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types;; 3750 *) 3751 stage1_checking=--enable-checking=yes,types;; 3752 esac 3753 if test "x$enable_checking" = x && \ 3754 test -d ${srcdir}/gcc && \ 3755 test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then 3756 stage1_checking=--enable-checking=yes,types,extra 3757 fi 3758else 3759 stage1_checking=--enable-checking=$enable_checking,types 3760fi]) 3761AC_SUBST(stage1_checking) 3762 3763# Enable -Werror in bootstrap stage2 and later. 3764AC_ARG_ENABLE(werror, 3765[AS_HELP_STRING([--enable-werror], 3766 [enable -Werror in bootstrap stage2 and later])], 3767[ 3768case ${enable_werror} in 3769 yes) stage2_werror_flag="--enable-werror-always" ;; 3770 *) stage2_werror_flag="" ;; 3771esac 3772], 3773[ 3774if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then 3775 case $BUILD_CONFIG in 3776 bootstrap-debug) 3777 stage2_werror_flag="--enable-werror-always" ;; 3778 "") 3779 stage2_werror_flag="--enable-werror-always" ;; 3780 esac 3781fi 3782]) 3783 3784AC_SUBST(stage2_werror_flag) 3785 3786# Specify what files to not compare during bootstrap. 3787 3788compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*" 3789case "$target" in 3790 hppa*64*-*-hpux*) ;; 3791 hppa*-*-hpux*) compare_exclusions="$compare_exclusions | */libgcc/lib2funcs* | gcc/function-tests.o" ;; 3792 powerpc*-ibm-aix*) compare_exclusions="$compare_exclusions | *libgomp*\$(objext)" ;; 3793esac 3794AC_SUBST(compare_exclusions) 3795 3796AC_CONFIG_FILES([Makefile], 3797 [sed "$extrasub_build" Makefile | 3798 sed "$extrasub_host" | 3799 sed "$extrasub_target" > mf$$ 3800 mv -f mf$$ Makefile], 3801 [extrasub_build="$extrasub_build" 3802 extrasub_host="$extrasub_host" 3803 extrasub_target="$extrasub_target"]) 3804AC_OUTPUT 3805