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 Free Software Foundation, Inc. 4# 5# This file is free software; you can redistribute it and/or modify it 6# under the terms of the GNU General Public License as published by 7# the Free Software Foundation; either version 3 of the License, or 8# (at your option) any later version. 9# 10# This program is distributed in the hope that it will be useful, but 11# WITHOUT ANY WARRANTY; without even the implied warranty of 12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13# General Public License for more details. 14# 15# You should have received a copy of the GNU General Public License 16# along with this program; see the file COPYING3. If not see 17# <http://www.gnu.org/licenses/>. 18 19############################################################################## 20### WARNING: this file contains embedded tabs. Do not run untabify on this file. 21 22m4_include(config/acx.m4) 23m4_include(config/override.m4) 24m4_include(config/proginstall.m4) 25m4_include(config/elf.m4) 26m4_include([libtool.m4]) 27m4_include([ltoptions.m4]) 28m4_include([ltsugar.m4]) 29m4_include([ltversion.m4]) 30m4_include([lt~obsolete.m4]) 31m4_include([config/isl.m4]) 32 33AC_INIT(move-if-change) 34AC_DISABLE_OPTION_CHECKING 35 36progname=$0 37# if PWD already has a value, it is probably wrong. 38if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi 39 40# Export original configure arguments for use by sub-configures. 41# Quote arguments with shell meta charatcers. 42TOPLEVEL_CONFIGURE_ARGUMENTS= 43set -- "$progname" "$@" 44for ac_arg 45do 46 case "$ac_arg" in 47 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*) 48 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` 49 # if the argument is of the form -foo=baz, quote the baz part only 50 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;; 51 *) ;; 52 esac 53 # Add the quoted argument to the list. 54 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg" 55done 56if test "$silent" = yes; then 57 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent" 58fi 59# Remove the initial space we just introduced and, as these will be 60# expanded by make, quote '$'. 61TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'` 62AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS) 63 64# Find the build, host, and target systems. 65ACX_NONCANONICAL_BUILD 66ACX_NONCANONICAL_HOST 67ACX_NONCANONICAL_TARGET 68 69dnl Autoconf 2.5x and later will set a default program prefix if 70dnl --target was used, even if it was the same as --host. Disable 71dnl that behavior. This must be done before AC_CANONICAL_SYSTEM 72dnl to take effect. 73test "$host_noncanonical" = "$target_noncanonical" && 74 test "$program_prefix$program_suffix$program_transform_name" = \ 75 NONENONEs,x,x, && 76 program_transform_name=s,y,y, 77 78AC_CANONICAL_SYSTEM 79AC_ARG_PROGRAM 80 81m4_pattern_allow([^AS_FOR_TARGET$])dnl 82m4_pattern_allow([^AS_FOR_BUILD$])dnl 83 84# Get 'install' or 'install-sh' and its variants. 85AC_PROG_INSTALL 86ACX_PROG_LN 87AC_PROG_LN_S 88AC_PROG_SED 89AC_PROG_AWK 90 91srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}` 92 93# We pass INSTALL explicitly to sub-makes. Make sure that it is not 94# a relative path. 95if test "$INSTALL" = "${srcdir}/install-sh -c"; then 96 INSTALL="${srcpwd}/install-sh -c" 97fi 98 99# Set srcdir to "." if that's what it is. 100# This is important for multilib support. 101pwd=`${PWDCMD-pwd}` 102if test "${pwd}" = "${srcpwd}" ; then 103 srcdir=. 104fi 105 106topsrcdir=$srcpwd 107 108extra_host_args= 109 110### To add a new directory to the tree, first choose whether it is a target 111### or a host dependent tool. Then put it into the appropriate list 112### (library or tools, host or target), doing a dependency sort. 113 114# Subdirs will be configured in the order listed in build_configdirs, 115# configdirs, or target_configdirs; see the serialization section below. 116 117# Dependency sorting is only needed when *configuration* must be done in 118# a particular order. In all cases a dependency should be specified in 119# the Makefile, whether or not it's implicitly specified here. 120 121# Double entries in build_configdirs, configdirs, or target_configdirs may 122# cause circular dependencies and break everything horribly. 123 124# these library is used by various programs built for the build 125# environment 126# 127build_libs="build-libiberty build-libcpp" 128 129# these tools are built for the build environment 130build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes" 131 132# these libraries are used by various programs built for the host environment 133#f 134host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl libelf libiconv libctf" 135 136# these tools are built for the host environment 137# Note, the powerpc-eabi build depends on sim occurring before gdb in order to 138# know that we are building the simulator. 139# binutils, gas and ld appear in that order because it makes sense to run 140# "make check" in that particular order. 141# If --enable-gold is used, "gold" may replace "ld". 142host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gdbserver gprof etc expect dejagnu m4 utils guile fastjar gnattools libcc1 gotools" 143 144# these libraries are built for the target environment, and are built after 145# the host libraries and the host tools (which may be a cross compiler) 146# Note that libiberty is not a target library. 147target_libraries="target-libgcc \ 148 target-libbacktrace \ 149 target-libgloss \ 150 target-newlib \ 151 target-libgomp \ 152 target-liboffloadmic \ 153 target-libhsail-rt \ 154 target-libatomic \ 155 target-libitm \ 156 target-libstdc++-v3 \ 157 target-libsanitizer \ 158 target-libvtv \ 159 target-libssp \ 160 target-libquadmath \ 161 target-libgfortran \ 162 target-libffi \ 163 target-libobjc \ 164 target-libada \ 165 target-libgo \ 166 target-libphobos \ 167 target-zlib" 168 169# these tools are built using the target libraries, and are intended to 170# run only in the target environment 171# 172# note: any program that *uses* libraries that are in the "target_libraries" 173# list belongs in this list. 174# 175target_tools="target-rda" 176 177################################################################################ 178 179## All tools belong in one of the four categories, and are assigned above 180## We assign ${configdirs} this way to remove all embedded newlines. This 181## is important because configure will choke if they ever get through. 182## ${configdirs} is directories we build using the host tools. 183## ${target_configdirs} is directories we build using the target tools. 184configdirs=`echo ${host_libs} ${host_tools}` 185target_configdirs=`echo ${target_libraries} ${target_tools}` 186build_configdirs=`echo ${build_libs} ${build_tools}` 187 188m4_divert_text([PARSE_ARGS], 189[case $srcdir in 190 *" "*) 191m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl 192 AC_MSG_ERROR([path to source, $srcdir, contains spaces]) 193m4_popdef([AS_MESSAGE_LOG_FD])dnl 194 ;; 195esac 196ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'` 197]) 198 199################################################################################ 200 201srcname="gnu development package" 202 203# This gets set non-empty for some net releases of packages. 204appdirs="" 205 206# Define is_cross_compiler to save on calls to 'test'. 207is_cross_compiler= 208if test x"${host}" = x"${target}" ; then 209 is_cross_compiler=no 210else 211 is_cross_compiler=yes 212fi 213 214# Find the build and target subdir names. 215GCC_TOPLEV_SUBDIRS 216# Be sure to cover against remnants of an in-tree build. 217if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then 218 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}. 219Use a pristine source tree when building in a separate tree]) 220fi 221 222# Skipdirs are removed silently. 223skipdirs= 224# Noconfigdirs are removed loudly. 225noconfigdirs="" 226 227use_gnu_ld= 228# Make sure we don't let GNU ld be added if we didn't want it. 229if test x$with_gnu_ld = xno ; then 230 use_gnu_ld=no 231 noconfigdirs="$noconfigdirs ld gold" 232fi 233 234use_gnu_as= 235# Make sure we don't let GNU as be added if we didn't want it. 236if test x$with_gnu_as = xno ; then 237 use_gnu_as=no 238 noconfigdirs="$noconfigdirs gas" 239fi 240 241use_included_zlib= 242AC_ARG_WITH(system-zlib, 243[AS_HELP_STRING([--with-system-zlib], [use installed libz])]) 244# Make sure we don't let ZLIB be added if we didn't want it. 245if test x$with_system_zlib = xyes ; then 246 use_included_zlib=no 247 noconfigdirs="$noconfigdirs zlib" 248fi 249 250# some tools are so dependent upon X11 that if we're not building with X, 251# it's not even worth trying to configure, much less build, that tool. 252 253case ${with_x} in 254 yes | "") ;; # the default value for this tree is that X11 is available 255 no) 256 skipdirs="${skipdirs} tk itcl libgui" 257 # We won't be able to build gdbtk without X. 258 enable_gdbtk=no 259 ;; 260 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;; 261esac 262 263# Some are only suitable for cross toolchains. 264# Remove these if host=target. 265cross_only="target-libgloss target-newlib target-opcodes" 266 267case $is_cross_compiler in 268 no) skipdirs="${skipdirs} ${cross_only}" ;; 269esac 270 271# If both --with-headers and --with-libs are specified, default to 272# --without-newlib. 273if test x"${with_headers}" != x && test x"${with_headers}" != xno \ 274 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then 275 if test x"${with_newlib}" = x ; then 276 with_newlib=no 277 fi 278fi 279 280# Recognize --with-newlib/--without-newlib. 281case ${with_newlib} in 282 no) skipdirs="${skipdirs} target-newlib" ;; 283 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;; 284esac 285 286AC_ARG_ENABLE(as-accelerator-for, 287[AS_HELP_STRING([--enable-as-accelerator-for=ARG], 288 [build as offload target compiler. 289 Specify offload host triple by ARG])]) 290 291AC_ARG_ENABLE(offload-targets, 292[AS_HELP_STRING([--enable-offload-targets=LIST], 293 [enable offloading to devices from comma-separated LIST of 294 TARGET[=DIR]. Use optional path to find offload target compiler 295 during the build])], 296[ 297 if test x"$enable_offload_targets" = x; then 298 AC_MSG_ERROR([no offload targets specified]) 299 fi 300], [enable_offload_targets=]) 301 302# Handle --enable-gold, --enable-ld. 303# --disable-gold [--enable-ld] 304# Build only ld. Default option. 305# --enable-gold [--enable-ld] 306# Build both gold and ld. Install gold as "ld.gold", install ld 307# as "ld.bfd" and "ld". 308# --enable-gold=default [--enable-ld] 309# Build both gold and ld. Install gold as "ld.gold" and "ld", 310# install ld as "ld.bfd". 311# --enable-gold[=default] --disable-ld 312# Build only gold, which is then installed as both "ld.gold" and "ld". 313# --enable-gold --enable-ld=default 314# Build both gold (installed as "ld.gold") and ld (installed as "ld" 315# and ld.bfd). 316# In other words, ld is default 317# --enable-gold=default --enable-ld=default 318# Error. 319 320default_ld= 321AC_ARG_ENABLE(gold, 322[AS_HELP_STRING([[--enable-gold[=ARG]]], 323 [build gold @<:@ARG={default,yes,no}@:>@])], 324ENABLE_GOLD=$enableval, 325ENABLE_GOLD=no) 326case "${ENABLE_GOLD}" in 327 yes|default) 328 # Check for ELF target. 329 is_elf=no 330 case "${target}" in 331 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \ 332 | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \ 333 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \ 334 | *-*-solaris2* | *-*-nto* | *-*-nacl*) 335 case "${target}" in 336 *-*-linux*aout* | *-*-linux*oldld*) 337 ;; 338 *) 339 is_elf=yes 340 ;; 341 esac 342 esac 343 344 if test "$is_elf" = "yes"; then 345 # Check for target supported by gold. 346 case "${target}" in 347 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \ 348 | aarch64*-*-* | tilegx*-*-* | mips*-*-* | s390*-*-*) 349 configdirs="$configdirs gold" 350 if test x${ENABLE_GOLD} = xdefault; then 351 default_ld=gold 352 fi 353 ENABLE_GOLD=yes 354 ;; 355 esac 356 fi 357 ;; 358 no) 359 ;; 360 *) 361 AC_MSG_ERROR([invalid --enable-gold argument]) 362 ;; 363esac 364 365AC_ARG_ENABLE(ld, 366[AS_HELP_STRING([[--enable-ld[=ARG]]], 367 [build ld @<:@ARG={default,yes,no}@:>@])], 368ENABLE_LD=$enableval, 369ENABLE_LD=yes) 370 371case "${ENABLE_LD}" in 372 default) 373 if test x${default_ld} != x; then 374 AC_MSG_ERROR([either gold or ld can be the default ld]) 375 fi 376 ;; 377 yes) 378 ;; 379 no) 380 if test x${ENABLE_GOLD} != xyes; then 381 AC_MSG_WARN([neither ld nor gold are enabled]) 382 fi 383 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'` 384 ;; 385 *) 386 AC_MSG_ERROR([invalid --enable-ld argument]) 387 ;; 388esac 389 390# PR gas/19109 391# Decide the default method for compressing debug sections. 392# Provide a configure time option to override our default. 393AC_ARG_ENABLE(compressed_debug_sections, 394[AS_HELP_STRING([--enable-compressed-debug-sections={all,gas,gold,ld,none}], 395 [Enable compressed debug sections for gas, gold or ld by 396 default])], 397[ 398 if test x"$enable_compressed_debug_sections" = xyes; then 399 AC_MSG_ERROR([no program with compressed debug sections specified]) 400 fi 401], [enable_compressed_debug_sections=]) 402 403# Configure extra directories which are host specific 404 405case "${host}" in 406 *-cygwin*) 407 configdirs="$configdirs libtermcap" ;; 408esac 409 410# A target can indicate whether a language isn't supported for some reason. 411# Only spaces may be used in this macro; not newlines or tabs. 412unsupported_languages= 413 414# Remove more programs from consideration, based on the host or 415# target this usually means that a port of the program doesn't 416# exist yet. 417 418case "${host}" in 419 i[[3456789]]86-*-msdosdjgpp*) 420 noconfigdirs="$noconfigdirs tcl tk itcl" 421 ;; 422esac 423 424 425AC_ARG_ENABLE(libquadmath, 426AS_HELP_STRING([--disable-libquadmath], 427 [do not build libquadmath directory]), 428ENABLE_LIBQUADMATH=$enableval, 429ENABLE_LIBQUADMATH=yes) 430if test "${ENABLE_LIBQUADMATH}" = "no" ; then 431 noconfigdirs="$noconfigdirs target-libquadmath" 432fi 433 434 435AC_ARG_ENABLE(libquadmath-support, 436AS_HELP_STRING([--disable-libquadmath-support], 437 [disable libquadmath support for Fortran]), 438ENABLE_LIBQUADMATH_SUPPORT=$enableval, 439ENABLE_LIBQUADMATH_SUPPORT=yes) 440enable_libquadmath_support= 441if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then 442 enable_libquadmath_support=no 443fi 444 445 446AC_ARG_ENABLE(libada, 447[AS_HELP_STRING([--enable-libada], [build libada directory])], 448ENABLE_LIBADA=$enableval, 449ENABLE_LIBADA=yes) 450if test "${ENABLE_LIBADA}" != "yes" ; then 451 noconfigdirs="$noconfigdirs gnattools" 452fi 453 454AC_ARG_ENABLE(libssp, 455[AS_HELP_STRING([--enable-libssp], [build libssp directory])], 456ENABLE_LIBSSP=$enableval, 457ENABLE_LIBSSP=yes) 458 459AC_ARG_ENABLE(libstdcxx, 460AS_HELP_STRING([--disable-libstdcxx], 461 [do not build libstdc++-v3 directory]), 462ENABLE_LIBSTDCXX=$enableval, 463ENABLE_LIBSTDCXX=default) 464[if test "${ENABLE_LIBSTDCXX}" = "no" ; then 465 noconfigdirs="$noconfigdirs target-libstdc++-v3" 466fi] 467 468# If this is accelerator compiler and its target is intelmic we enable 469# target liboffloadmic by default. If this is compiler with offloading 470# for intelmic we enable host liboffloadmic by default. Otherwise 471# liboffloadmic is disabled by default. 472AC_ARG_ENABLE([liboffloadmic], 473AC_HELP_STRING([[--enable-liboffloadmic[=ARG]]], 474 [build liboffloadmic @<:@ARG={no,host,target}@:>@]), 475[case "$enableval" in 476 no | host | target) 477 enable_liboffloadmic=$enableval ;; 478 *) 479 AC_MSG_ERROR([--enable-liboffloadmic=no/host/target]) ;; 480esac], 481[if test x"$enable_as_accelerator_for" != x; then 482 case "${target}" in 483 *-intelmic-* | *-intelmicemul-*) 484 enable_liboffloadmic=target 485 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=target" 486 ;; 487 *) 488 enable_liboffloadmic=no 489 ;; 490 esac 491else 492 case "${enable_offload_targets}" in 493 *-intelmic-* | *-intelmicemul-*) 494 enable_liboffloadmic=host 495 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=host" 496 ;; 497 *) 498 enable_liboffloadmic=no 499 ;; 500 esac 501fi]) 502AC_SUBST(extra_liboffloadmic_configure_flags) 503 504# Enable libgomp by default on hosted POSIX systems, and a few others. 505if test x$enable_libgomp = x ; then 506 case "${target}" in 507 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 508 ;; 509 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*) 510 ;; 511 *-*-solaris2* | *-*-hpux11*) 512 ;; 513 *-*-darwin* | *-*-aix*) 514 ;; 515 nvptx*-*-* | amdgcn*-*-*) 516 ;; 517 *) 518 noconfigdirs="$noconfigdirs target-libgomp" 519 ;; 520 esac 521fi 522 523# Disable libatomic on unsupported systems. 524if test -d ${srcdir}/libatomic; then 525 if test x$enable_libatomic = x; then 526 AC_MSG_CHECKING([for libatomic support]) 527 if (srcdir=${srcdir}/libatomic; \ 528 . ${srcdir}/configure.tgt; \ 529 test -n "$UNSUPPORTED") 530 then 531 AC_MSG_RESULT([no]) 532 noconfigdirs="$noconfigdirs target-libatomic" 533 else 534 AC_MSG_RESULT([yes]) 535 fi 536 fi 537fi 538 539# Disable liboffloadmic on unsupported systems. 540if test -d ${srcdir}/liboffloadmic; then 541 if test x$enable_liboffloadmic != xno; then 542 AC_MSG_CHECKING([for liboffloadmic support]) 543 if (srcdir=${srcdir}/liboffloadmic; \ 544 . ${srcdir}/configure.tgt; \ 545 test -n "$UNSUPPORTED") 546 then 547 AC_MSG_RESULT([no]) 548 noconfigdirs="$noconfigdirs target-liboffloadmic" 549 else 550 AC_MSG_RESULT([yes]) 551 fi 552 fi 553fi 554 555# Disable libitm on unsupported systems. 556if test -d ${srcdir}/libitm; then 557 if test x$enable_libitm = x; then 558 AC_MSG_CHECKING([for libitm support]) 559 if (srcdir=${srcdir}/libitm; \ 560 . ${srcdir}/configure.tgt; \ 561 test -n "$UNSUPPORTED") 562 then 563 AC_MSG_RESULT([no]) 564 noconfigdirs="$noconfigdirs target-libitm" 565 else 566 AC_MSG_RESULT([yes]) 567 fi 568 fi 569fi 570 571# Disable libsanitizer on unsupported systems. 572if test -d ${srcdir}/libsanitizer; then 573 if test x$enable_libsanitizer = x; then 574 AC_MSG_CHECKING([for libsanitizer support]) 575 if (srcdir=${srcdir}/libsanitizer; \ 576 . ${srcdir}/configure.tgt; \ 577 test -n "$UNSUPPORTED") 578 then 579 AC_MSG_RESULT([no]) 580 noconfigdirs="$noconfigdirs target-libsanitizer" 581 else 582 AC_MSG_RESULT([yes]) 583 fi 584 fi 585fi 586 587# Disable libvtv on unsupported systems. 588if test -d ${srcdir}/libvtv; then 589 if test x$enable_libvtv = x; then 590 AC_MSG_CHECKING([for libvtv support]) 591 if (srcdir=${srcdir}/libvtv; \ 592 . ${srcdir}/configure.tgt; \ 593 test "$VTV_SUPPORTED" != "yes") 594 then 595 AC_MSG_RESULT([no]) 596 noconfigdirs="$noconfigdirs target-libvtv" 597 else 598 AC_MSG_RESULT([yes]) 599 fi 600 fi 601fi 602 603 604# Disable libhsail-rt on unsupported systems. 605if test -d ${srcdir}/libhsail-rt; then 606 if test x$enable_libhsail_rt = x; then 607 AC_MSG_CHECKING([for libhsail-rt support]) 608 if (srcdir=${srcdir}/libhsail-rt; \ 609 . ${srcdir}/configure.tgt; \ 610 test -n "$UNSUPPORTED") 611 then 612 AC_MSG_RESULT([no]) 613 unsupported_languages="$unsupported_languages brig" 614 # This implicitly disables also target-libhsail-rt as it won't 615 # get added to the build without BRIG FE. 616 else 617 AC_MSG_RESULT([yes]) 618 fi 619 fi 620fi 621 622 623# Disable libquadmath for some systems. 624case "${target}" in 625 avr-*-*) 626 noconfigdirs="$noconfigdirs target-libquadmath" 627 ;; 628 # libquadmath is unused on AIX and libquadmath build process use of 629 # LD_LIBRARY_PATH can break AIX bootstrap. 630 powerpc-*-aix* | rs6000-*-aix*) 631 noconfigdirs="$noconfigdirs target-libquadmath" 632 ;; 633esac 634 635# Disable libssp for some systems. 636case "${target}" in 637 avr-*-*) 638 # No hosted I/O support. 639 noconfigdirs="$noconfigdirs target-libssp" 640 ;; 641 bpf-*-*) 642 noconfigdirs="$noconfigdirs target-libssp" 643 ;; 644 powerpc-*-aix* | rs6000-*-aix*) 645 noconfigdirs="$noconfigdirs target-libssp" 646 ;; 647 pru-*-*) 648 # No hosted I/O support. 649 noconfigdirs="$noconfigdirs target-libssp" 650 ;; 651 rl78-*-*) 652 # libssp uses a misaligned load to trigger a fault, but the RL78 653 # doesn't fault for those - instead, it gives a build-time error 654 # for explicit misaligned loads. 655 noconfigdirs="$noconfigdirs target-libssp" 656 ;; 657 visium-*-*) 658 # No hosted I/O support. 659 noconfigdirs="$noconfigdirs target-libssp" 660 ;; 661esac 662 663# Disable libstdc++-v3 for some systems. 664# Allow user to override this if they pass --enable-libstdc++-v3 665if test "${ENABLE_LIBSTDCXX}" = "default" ; then 666 case "${target}" in 667 *-*-vxworks*) 668 # VxWorks uses the Dinkumware C++ library. 669 noconfigdirs="$noconfigdirs target-libstdc++-v3" 670 ;; 671 amdgcn*-*-*) 672 # Not ported/fails to build when using newlib. 673 noconfigdirs="$noconfigdirs target-libstdc++-v3" 674 ;; 675 arm*-wince-pe*) 676 # the C++ libraries don't build on top of CE's C libraries 677 noconfigdirs="$noconfigdirs target-libstdc++-v3" 678 ;; 679 avr-*-*) 680 noconfigdirs="$noconfigdirs target-libstdc++-v3" 681 ;; 682 bpf-*-*) 683 noconfigdirs="$noconfigdirs target-libstdc++-v3" 684 ;; 685 ft32-*-*) 686 noconfigdirs="$noconfigdirs target-libstdc++-v3" 687 ;; 688 esac 689fi 690 691# Disable C++ on systems where it is known to not work. 692# For testing, you can override this with --enable-languages=c++. 693case ,${enable_languages}, in 694 *,c++,*) 695 ;; 696 *) 697 case "${target}" in 698 bpf-*-*) 699 unsupported_languages="$unsupported_languages c++" 700 ;; 701 esac 702 ;; 703esac 704 705# Disable Objc on systems where it is known to not work. 706# For testing, you can override this with --enable-languages=objc. 707case ,${enable_languages}, in 708 *,objc,*) 709 ;; 710 *) 711 case "${target}" in 712 bpf-*-*) 713 unsupported_languages="$unsupported_languages objc" 714 ;; 715 esac 716 ;; 717esac 718 719# Disable D on systems where it is known to not work. 720# For testing, you can override this with --enable-languages=d. 721case ,${enable_languages}, in 722 *,d,*) 723 ;; 724 *) 725 case "${target}" in 726 *-*-darwin*) 727 unsupported_languages="$unsupported_languages d" 728 ;; 729 bpf-*-*) 730 unsupported_languages="$unsupported_languages d" 731 ;; 732 esac 733 ;; 734esac 735 736# Disable libphobos on unsupported systems. 737# For testing, you can override this with --enable-libphobos. 738if test -d ${srcdir}/libphobos; then 739 if test x$enable_libphobos = x; then 740 AC_MSG_CHECKING([for libphobos support]) 741 if (srcdir=${srcdir}/libphobos; \ 742 . ${srcdir}/configure.tgt; \ 743 test "$LIBPHOBOS_SUPPORTED" != "yes") 744 then 745 AC_MSG_RESULT([no]) 746 noconfigdirs="$noconfigdirs target-libphobos" 747 else 748 AC_MSG_RESULT([yes]) 749 fi 750 fi 751fi 752 753# Disable Fortran for some systems. 754case "${target}" in 755 mmix-*-*) 756 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>. 757 unsupported_languages="$unsupported_languages fortran" 758 ;; 759 bpf-*-*) 760 unsupported_languages="$unsupported_languages fortran" 761 ;; 762esac 763 764# Disable libffi for some systems. 765case "${target}" in 766 powerpc-*-darwin*) 767 ;; 768 i[[3456789]]86-*-darwin*) 769 ;; 770 x86_64-*-darwin[[912]]*) 771 ;; 772 *-*-darwin*) 773 noconfigdirs="$noconfigdirs target-libffi" 774 ;; 775 *-*-netware*) 776 noconfigdirs="$noconfigdirs target-libffi" 777 ;; 778 *-*-phoenix*) 779 noconfigdirs="$noconfigdirs target-libffi" 780 ;; 781 *-*-rtems*) 782 noconfigdirs="$noconfigdirs target-libffi" 783 ;; 784 *-*-tpf*) 785 noconfigdirs="$noconfigdirs target-libffi" 786 ;; 787 *-*-uclinux*) 788 noconfigdirs="$noconfigdirs target-libffi" 789 ;; 790 *-*-vxworks*) 791 noconfigdirs="$noconfigdirs target-libffi" 792 ;; 793 aarch64*-*-freebsd*) 794 noconfigdirs="$noconfigdirs target-libffi" 795 ;; 796 alpha*-*-*vms*) 797 noconfigdirs="$noconfigdirs target-libffi" 798 ;; 799 arm*-*-freebsd*) 800 noconfigdirs="$noconfigdirs target-libffi" 801 ;; 802 arm-wince-pe) 803 noconfigdirs="$noconfigdirs target-libffi" 804 ;; 805 arm*-*-symbianelf*) 806 noconfigdirs="$noconfigdirs target-libffi" 807 ;; 808 bpf-*-*) 809 noconfigdirs="$noconfigdirs target-libffi" 810 ;; 811 cris-*-* | crisv32-*-*) 812 case "${target}" in 813 *-*-linux*) 814 ;; 815 *) # See PR46792 regarding target-libffi. 816 noconfigdirs="$noconfigdirs target-libffi";; 817 esac 818 ;; 819 hppa*64*-*-hpux*) 820 noconfigdirs="$noconfigdirs target-libffi" 821 ;; 822 hppa*-hp-hpux11*) 823 ;; 824 hppa*-*-hpux*) 825 noconfigdirs="$noconfigdirs target-libffi" 826 ;; 827 ia64*-*-*vms*) 828 noconfigdirs="$noconfigdirs target-libffi" 829 ;; 830 i[[3456789]]86-w64-mingw*) 831 noconfigdirs="$noconfigdirs target-libffi" 832 ;; 833 i[[3456789]]86-*-mingw*) 834 noconfigdirs="$noconfigdirs target-libffi" 835 ;; 836 x86_64-*-mingw*) 837 noconfigdirs="$noconfigdirs target-libffi" 838 ;; 839 mmix-*-*) 840 noconfigdirs="$noconfigdirs target-libffi" 841 ;; 842 powerpc-*-aix*) 843 ;; 844 rs6000-*-aix*) 845 ;; 846 ft32-*-*) 847 noconfigdirs="$noconfigdirs target-libffi" 848 ;; 849 *-*-lynxos*) 850 noconfigdirs="$noconfigdirs target-libffi" 851 ;; 852esac 853 854# Disable the go frontend on systems where it is known to not work. Please keep 855# this in sync with contrib/config-list.mk. 856case "${target}" in 857*-*-darwin* | *-*-cygwin* | *-*-mingw* | bpf-* ) 858 unsupported_languages="$unsupported_languages go" 859 ;; 860esac 861 862# Only allow gdbserver on some systems. 863if test -d ${srcdir}/gdbserver; then 864 if test x$enable_gdbserver = x; then 865 AC_MSG_CHECKING([for gdbserver support]) 866 if (srcdir=${srcdir}/gdbserver; \ 867 . ${srcdir}/configure.srv; \ 868 test -n "$UNSUPPORTED") 869 then 870 AC_MSG_RESULT([no]) 871 noconfigdirs="$noconfigdirs gdbserver" 872 else 873 AC_MSG_RESULT([yes]) 874 fi 875 fi 876fi 877 878# Disable libgo for some systems where it is known to not work. 879# For testing, you can easily override this with --enable-libgo. 880if test x$enable_libgo = x; then 881 case "${target}" in 882 *-*-darwin*) 883 # PR 46986 884 noconfigdirs="$noconfigdirs target-libgo" 885 ;; 886 *-*-cygwin* | *-*-mingw*) 887 noconfigdirs="$noconfigdirs target-libgo" 888 ;; 889 bpf-*-*) 890 noconfigdirs="$noconfigdirs target-libgo" 891 ;; 892 esac 893fi 894 895# Default libgloss CPU subdirectory. 896libgloss_dir="$target_cpu" 897 898case "${target}" in 899 sh*-*-pe|mips*-*-pe|*arm-wince-pe) 900 libgloss_dir=wince 901 ;; 902 aarch64*-*-* ) 903 libgloss_dir=aarch64 904 ;; 905 arm*-*-*) 906 libgloss_dir=arm 907 ;; 908 cris-*-* | crisv32-*-*) 909 libgloss_dir=cris 910 ;; 911 hppa*-*-*) 912 libgloss_dir=pa 913 ;; 914 i[[3456789]]86-*-*) 915 libgloss_dir=i386 916 ;; 917 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*) 918 libgloss_dir=m68hc11 919 ;; 920 m68*-*-* | fido-*-*) 921 libgloss_dir=m68k 922 ;; 923 mips*-*-*) 924 libgloss_dir=mips 925 ;; 926 powerpc*-*-*) 927 libgloss_dir=rs6000 928 ;; 929 pru-*-*) 930 libgloss_dir=pru 931 ;; 932 sparc*-*-*) 933 libgloss_dir=sparc 934 ;; 935esac 936 937# Disable newlib and libgloss for various target OSes. 938case "${target}" in 939 alpha*-dec-osf*) 940 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 941 ;; 942 i[[3456789]]86-*-linux*) 943 # This section makes it possible to build newlib natively on linux. 944 # If we are using a cross compiler then don't configure newlib. 945 if test x${is_cross_compiler} != xno ; then 946 noconfigdirs="$noconfigdirs target-newlib" 947 fi 948 noconfigdirs="$noconfigdirs target-libgloss" 949 # If we are not using a cross compiler, do configure newlib. 950 # Note however, that newlib will only be configured in this situation 951 # if the --with-newlib option has been given, because otherwise 952 # 'target-newlib' will appear in skipdirs. 953 ;; 954 i[[3456789]]86-*-rdos*) 955 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 956 ;; 957 sh*-*-pe|mips*-*-pe|arm-wince-pe) 958 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 959 ;; 960 sparc-*-sunos4*) 961 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 962 ;; 963 bpf-*-*) 964 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 965 ;; 966 *-*-aix*) 967 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 968 ;; 969 *-*-beos*) 970 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 971 ;; 972 *-*-chorusos) 973 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 974 ;; 975 *-*-dragonfly*) 976 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 977 ;; 978 *-*-freebsd*) 979 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 980 ;; 981 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 982 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 983 ;; 984 *-*-lynxos*) 985 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 986 ;; 987 *-*-mingw*) 988 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 989 ;; 990 *-*-netbsd*) 991 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 992 ;; 993 *-*-netware*) 994 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 995 ;; 996 *-*-tpf*) 997 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 998 ;; 999 *-*-uclinux*) 1000 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1001 ;; 1002 *-*-vxworks*) 1003 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1004 ;; 1005esac 1006 1007case "${target}" in 1008 *-*-chorusos) 1009 ;; 1010 aarch64-*-darwin*) 1011 noconfigdirs="$noconfigdirs ld gas gdb gprof" 1012 noconfigdirs="$noconfigdirs sim target-rda" 1013 ;; 1014 amdgcn*-*-*) 1015 ;; 1016 arm-*-darwin*) 1017 noconfigdirs="$noconfigdirs ld gas gdb gprof" 1018 noconfigdirs="$noconfigdirs sim target-rda" 1019 ;; 1020 powerpc-*-darwin*) 1021 noconfigdirs="$noconfigdirs ld gas gdb gprof" 1022 noconfigdirs="$noconfigdirs sim target-rda" 1023 ;; 1024 i[[3456789]]86-*-darwin*) 1025 noconfigdirs="$noconfigdirs ld gprof" 1026 noconfigdirs="$noconfigdirs sim target-rda" 1027 ;; 1028 x86_64-*-darwin[[912]]*) 1029 noconfigdirs="$noconfigdirs ld gas gprof" 1030 noconfigdirs="$noconfigdirs sim target-rda" 1031 ;; 1032 *-*-darwin*) 1033 noconfigdirs="$noconfigdirs ld gas gdb gprof" 1034 noconfigdirs="$noconfigdirs sim target-rda" 1035 ;; 1036 *-*-dragonfly*) 1037 ;; 1038 *-*-freebsd*) 1039 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \ 1040 && ! test -d ${srcdir}/gmp \ 1041 && test -f /usr/local/include/gmp.h; then 1042 with_gmp=/usr/local 1043 fi 1044 ;; 1045 *-*-kaos*) 1046 # Remove unsupported stuff on all kaOS configurations. 1047 noconfigdirs="$noconfigdirs target-libgloss" 1048 ;; 1049 *-*-netbsd*) 1050 ;; 1051 *-*-netware*) 1052 ;; 1053 *-*-phoenix*) 1054 noconfigdirs="$noconfigdirs target-libgloss" 1055 ;; 1056 *-*-rtems*) 1057 noconfigdirs="$noconfigdirs target-libgloss" 1058 ;; 1059 # The tpf target doesn't support gdb yet. 1060 *-*-tpf*) 1061 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl" 1062 ;; 1063 *-*-uclinux*) 1064 noconfigdirs="$noconfigdirs target-rda" 1065 ;; 1066 *-*-vxworks*) 1067 ;; 1068 alpha*-dec-osf*) 1069 # ld works, but does not support shared libraries. 1070 # gas doesn't generate exception information. 1071 noconfigdirs="$noconfigdirs gas ld" 1072 ;; 1073 alpha*-*-*vms*) 1074 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss" 1075 ;; 1076 alpha*-*-*) 1077 # newlib is not 64 bit ready 1078 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1079 ;; 1080 bpf-*-*) 1081 noconfigdirs="$noconfigdirs target-libobjc target-libbacktrace" 1082 ;; 1083 sh*-*-pe|mips*-*-pe|*arm-wince-pe) 1084 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim" 1085 ;; 1086 arc*-*-*) 1087 noconfigdirs="$noconfigdirs sim" 1088 ;; 1089 arm-*-pe*) 1090 noconfigdirs="$noconfigdirs target-libgloss" 1091 ;; 1092 arm-*-riscix*) 1093 noconfigdirs="$noconfigdirs ld target-libgloss" 1094 ;; 1095 avr-*-*) 1096 if test x${with_avrlibc} != xno; then 1097 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1098 fi 1099 ;; 1100 c4x-*-* | tic4x-*-*) 1101 noconfigdirs="$noconfigdirs target-libgloss" 1102 ;; 1103 tic54x-*-*) 1104 noconfigdirs="$noconfigdirs target-libgloss gdb" 1105 ;; 1106 d10v-*-*) 1107 noconfigdirs="$noconfigdirs target-libgloss" 1108 ;; 1109 d30v-*-*) 1110 noconfigdirs="$noconfigdirs gdb" 1111 ;; 1112 fr30-*-elf*) 1113 noconfigdirs="$noconfigdirs gdb" 1114 ;; 1115 ft32-*-*) 1116 noconfigdirs="$noconfigdirs target-rda gprof" 1117 ;; 1118 moxie-*-*) 1119 noconfigdirs="$noconfigdirs" 1120 ;; 1121 h8300*-*-*) 1122 noconfigdirs="$noconfigdirs target-libgloss" 1123 ;; 1124 h8500-*-*) 1125 noconfigdirs="$noconfigdirs target-libgloss" 1126 ;; 1127 hppa1.1-*-osf* | hppa1.1-*-bsd* ) 1128 ;; 1129 hppa*64*-*-hpux*) 1130 noconfigdirs="$noconfigdirs gdb" 1131 ;; 1132 hppa*-*-hpux11*) 1133 noconfigdirs="$noconfigdirs gdb ld" 1134 ;; 1135 hppa*64*-*-linux*) 1136 ;; 1137 hppa*-*-linux*) 1138 ;; 1139 hppa*-*-*elf* | \ 1140 hppa*-*-lites* | \ 1141 hppa*-*-openbsd* | \ 1142 hppa*64*-*-*) 1143 ;; 1144 hppa*-*-pro*) 1145 ;; 1146 hppa*-*-*) 1147 noconfigdirs="$noconfigdirs ld" 1148 ;; 1149 i960-*-*) 1150 noconfigdirs="$noconfigdirs gdb" 1151 ;; 1152 ia64*-*-elf*) 1153 # No gdb support yet. 1154 noconfigdirs="$noconfigdirs readline libgui itcl gdb" 1155 ;; 1156 ia64*-**-hpux*) 1157 # No ld support yet. 1158 noconfigdirs="$noconfigdirs gdb libgui itcl ld" 1159 ;; 1160 ia64*-*-*vms*) 1161 # No ld support yet. 1162 noconfigdirs="$noconfigdirs libgui itcl ld" 1163 ;; 1164 i[[3456789]]86-w64-mingw*) 1165 ;; 1166 i[[3456789]]86-*-mingw*) 1167 target_configdirs="$target_configdirs target-winsup" 1168 ;; 1169 *-*-cygwin*) 1170 target_configdirs="$target_configdirs target-libtermcap target-winsup" 1171 noconfigdirs="$noconfigdirs target-libgloss" 1172 # always build newlib if winsup directory is present. 1173 if test -d "$srcdir/winsup/cygwin"; then 1174 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` 1175 elif test -d "$srcdir/newlib"; then 1176 echo "Warning: winsup/cygwin is missing so newlib can't be built." 1177 fi 1178 ;; 1179 i[[3456789]]86-*-pe) 1180 noconfigdirs="$noconfigdirs target-libgloss" 1181 ;; 1182 i[[3456789]]86-*-sco3.2v5*) 1183 # The linker does not yet know about weak symbols in COFF, 1184 # and is not configured to handle mixed ELF and COFF. 1185 noconfigdirs="$noconfigdirs ld target-libgloss" 1186 ;; 1187 i[[3456789]]86-*-sco*) 1188 noconfigdirs="$noconfigdirs gprof target-libgloss" 1189 ;; 1190 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*) 1191 noconfigdirs="$noconfigdirs target-libgloss" 1192 ;; 1193 i[[3456789]]86-*-sysv4*) 1194 noconfigdirs="$noconfigdirs target-libgloss" 1195 ;; 1196 i[[3456789]]86-*-beos*) 1197 noconfigdirs="$noconfigdirs gdb" 1198 ;; 1199 i[[3456789]]86-*-rdos*) 1200 noconfigdirs="$noconfigdirs gdb" 1201 ;; 1202 mmix-*-*) 1203 noconfigdirs="$noconfigdirs gdb" 1204 ;; 1205 mt-*-*) 1206 noconfigdirs="$noconfigdirs sim" 1207 ;; 1208 nfp-*-*) 1209 noconfigdirs="$noconfigdirs ld gas gdb gprof sim" 1210 noconfigdirs="$noconfigdirs $target_libraries" 1211 ;; 1212 pdp11-*-*) 1213 noconfigdirs="$noconfigdirs gdb gprof" 1214 ;; 1215 powerpc-*-aix*) 1216 # copied from rs6000-*-* entry 1217 noconfigdirs="$noconfigdirs gprof" 1218 ;; 1219 powerpc*-*-winnt* | powerpc*-*-pe*) 1220 target_configdirs="$target_configdirs target-winsup" 1221 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl" 1222 # always build newlib. 1223 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` 1224 ;; 1225 # This is temporary until we can link against shared libraries 1226 powerpcle-*-solaris*) 1227 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl" 1228 ;; 1229 powerpc-*-beos*) 1230 noconfigdirs="$noconfigdirs gdb" 1231 ;; 1232 rs6000-*-lynxos*) 1233 noconfigdirs="$noconfigdirs gprof" 1234 ;; 1235 rs6000-*-aix*) 1236 noconfigdirs="$noconfigdirs gprof" 1237 ;; 1238 rs6000-*-*) 1239 noconfigdirs="$noconfigdirs gprof" 1240 ;; 1241 m68k-apollo-*) 1242 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss" 1243 ;; 1244 microblaze*) 1245 noconfigdirs="$noconfigdirs gprof" 1246 ;; 1247 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*) 1248 if test x$with_newlib = xyes; then 1249 noconfigdirs="$noconfigdirs gprof" 1250 fi 1251 ;; 1252 mips*-*-irix5*) 1253 noconfigdirs="$noconfigdirs gprof target-libgloss" 1254 ;; 1255 mips*-*-irix6*) 1256 noconfigdirs="$noconfigdirs gprof target-libgloss" 1257 ;; 1258 mips*-*-bsd*) 1259 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss" 1260 ;; 1261 mips*-*-linux*) 1262 ;; 1263 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \ 1264 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*) 1265 noconfigdirs="$noconfigdirs ld gas gprof" 1266 ;; 1267 mips*-*-*) 1268 noconfigdirs="$noconfigdirs gprof" 1269 ;; 1270 nvptx*-*-*) 1271 noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc" 1272 ;; 1273 sh-*-*) 1274 case "${target}" in 1275 sh*-*-elf) 1276 ;; 1277 *) 1278 noconfigdirs="$noconfigdirs target-libgloss" ;; 1279 esac 1280 ;; 1281 sparc-*-sunos4*) 1282 if test x${is_cross_compiler} = xno ; then 1283 use_gnu_ld=no 1284 fi 1285 ;; 1286 tic6x-*-*) 1287 noconfigdirs="$noconfigdirs sim" 1288 ;; 1289 tilepro*-*-* | tilegx*-*-*) 1290 noconfigdirs="$noconfigdirs sim" 1291 ;; 1292 v810-*-*) 1293 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss" 1294 ;; 1295 vax-*-*) 1296 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1297 ;; 1298 wasm32-*-*) 1299 noconfigdirs="$noconfigdirs ld" 1300 ;; 1301esac 1302 1303# If we aren't building newlib, then don't build libgloss, since libgloss 1304# depends upon some newlib header files. 1305case "${noconfigdirs}" in 1306 *target-libgloss*) ;; 1307 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;; 1308esac 1309 1310# Work in distributions that contain no compiler tools, like Autoconf. 1311host_makefile_frag=/dev/null 1312if test -d ${srcdir}/config ; then 1313case "${host}" in 1314 i[[3456789]]86-*-msdosdjgpp*) 1315 host_makefile_frag="config/mh-djgpp" 1316 ;; 1317 *-cygwin*) 1318 ACX_CHECK_CYGWIN_CAT_WORKS 1319 host_makefile_frag="config/mh-cygwin" 1320 ;; 1321 *-mingw*) 1322 host_makefile_frag="config/mh-mingw" 1323 ;; 1324 alpha*-linux*) 1325 host_makefile_frag="config/mh-alpha-linux" 1326 ;; 1327 hppa*-hp-hpux10*) 1328 host_makefile_frag="config/mh-pa-hpux10" 1329 ;; 1330 hppa*-hp-hpux*) 1331 host_makefile_frag="config/mh-pa" 1332 ;; 1333 hppa*-*) 1334 host_makefile_frag="config/mh-pa" 1335 ;; 1336 i?86-*-darwin[[89]]* | i?86-*-darwin1[[0-7]]* | powerpc*-*-darwin*) 1337 host_makefile_frag="config/mh-darwin" 1338 ;; 1339 powerpc-*-aix*) 1340 host_makefile_frag="config/mh-ppc-aix" 1341 ;; 1342 rs6000-*-aix*) 1343 host_makefile_frag="config/mh-ppc-aix" 1344 ;; 1345esac 1346fi 1347 1348if test "${build}" != "${host}" ; then 1349 AR_FOR_BUILD=${AR_FOR_BUILD-ar} 1350 AS_FOR_BUILD=${AS_FOR_BUILD-as} 1351 CC_FOR_BUILD=${CC_FOR_BUILD-gcc} 1352 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++} 1353 DSYMUTIL_FOR_BUILD=${DSYMUTIL_FOR_BUILD-dsymutil} 1354 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran} 1355 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo} 1356 GDC_FOR_BUILD=${GDC_FOR_BUILD-gdc} 1357 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool} 1358 LD_FOR_BUILD=${LD_FOR_BUILD-ld} 1359 NM_FOR_BUILD=${NM_FOR_BUILD-nm} 1360 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib} 1361 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres} 1362 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc} 1363else 1364 AR_FOR_BUILD="\$(AR)" 1365 AS_FOR_BUILD="\$(AS)" 1366 CC_FOR_BUILD="\$(CC)" 1367 CXX_FOR_BUILD="\$(CXX)" 1368 DSYMUTIL_FOR_BUILD="\$(DSYMUTIL)" 1369 GFORTRAN_FOR_BUILD="\$(GFORTRAN)" 1370 GOC_FOR_BUILD="\$(GOC)" 1371 GDC_FOR_BUILD="\$(GDC)" 1372 DLLTOOL_FOR_BUILD="\$(DLLTOOL)" 1373 LD_FOR_BUILD="\$(LD)" 1374 NM_FOR_BUILD="\$(NM)" 1375 RANLIB_FOR_BUILD="\$(RANLIB)" 1376 WINDRES_FOR_BUILD="\$(WINDRES)" 1377 WINDMC_FOR_BUILD="\$(WINDMC)" 1378fi 1379 1380AC_PROG_CC 1381AC_PROG_CXX 1382 1383# We must set the default linker to the linker used by gcc for the correct 1384# operation of libtool. If LD is not defined and we are using gcc, try to 1385# set the LD default to the ld used by gcc. 1386if test -z "$LD"; then 1387 if test "$GCC" = yes; then 1388 case $build in 1389 *-*-mingw*) 1390 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;; 1391 *) 1392 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;; 1393 esac 1394 case $gcc_prog_ld in 1395 # Accept absolute paths. 1396 [[\\/]* | [A-Za-z]:[\\/]*)] 1397 LD="$gcc_prog_ld" ;; 1398 esac 1399 fi 1400fi 1401 1402# Check whether -static-libstdc++ -static-libgcc is supported. 1403have_static_libs=no 1404if test "$GCC" = yes; then 1405 saved_LDFLAGS="$LDFLAGS" 1406 1407 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc" 1408 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc]) 1409 AC_LANG_PUSH(C++) 1410 AC_LINK_IFELSE([AC_LANG_SOURCE([ 1411#if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5) 1412#error -static-libstdc++ not implemented 1413#endif 1414int main() {}])], 1415 [AC_MSG_RESULT([yes]); have_static_libs=yes], 1416 [AC_MSG_RESULT([no])]) 1417 AC_LANG_POP(C++) 1418 1419 LDFLAGS="$saved_LDFLAGS" 1420fi 1421 1422ACX_PROG_GNAT 1423ACX_PROG_CMP_IGNORE_INITIAL 1424 1425AC_ARG_ENABLE([bootstrap], 1426[AS_HELP_STRING([--enable-bootstrap], 1427 [enable bootstrapping @<:@yes if native build@:>@])],, 1428enable_bootstrap=default) 1429 1430# Issue errors and warnings for invalid/strange bootstrap combinations. 1431if test -r $srcdir/gcc/configure; then 1432 have_compiler=yes 1433else 1434 have_compiler=no 1435fi 1436 1437case "$have_compiler:$host:$target:$enable_bootstrap" in 1438 *:*:*:no) ;; 1439 1440 # Default behavior. Enable bootstrap if we have a compiler 1441 # and we are in a native configuration. 1442 yes:$build:$build:default) 1443 enable_bootstrap=yes ;; 1444 1445 *:*:*:default) 1446 enable_bootstrap=no ;; 1447 1448 # We have a compiler and we are in a native configuration, bootstrap is ok 1449 yes:$build:$build:yes) 1450 ;; 1451 1452 # Other configurations, but we have a compiler. Assume the user knows 1453 # what he's doing. 1454 yes:*:*:yes) 1455 AC_MSG_WARN([trying to bootstrap a cross compiler]) 1456 ;; 1457 1458 # No compiler: if they passed --enable-bootstrap explicitly, fail 1459 no:*:*:yes) 1460 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;; 1461 1462 # Fail if wrong command line 1463 *) 1464 AC_MSG_ERROR([invalid option for --enable-bootstrap]) 1465 ;; 1466esac 1467 1468# When bootstrapping with GCC, build stage 1 in C++98 mode to ensure that a 1469# C++98 compiler can still start the bootstrap. 1470if test "$enable_bootstrap:$GXX" = "yes:yes"; then 1471 CXX="$CXX -std=gnu++98" 1472fi 1473 1474# Used for setting $lt_cv_objdir 1475_LT_CHECK_OBJDIR 1476 1477# Check for GMP, MPFR and MPC 1478gmplibs="-lmpc -lmpfr -lgmp" 1479gmpinc= 1480have_gmp=no 1481 1482# Specify a location for mpc 1483# check for this first so it ends up on the link line before mpfr. 1484AC_ARG_WITH(mpc, 1485[AS_HELP_STRING([--with-mpc=PATH], 1486 [specify prefix directory for installed MPC package. 1487 Equivalent to --with-mpc-include=PATH/include 1488 plus --with-mpc-lib=PATH/lib])]) 1489AC_ARG_WITH(mpc-include, 1490[AS_HELP_STRING([--with-mpc-include=PATH], 1491 [specify directory for installed MPC include files])]) 1492AC_ARG_WITH(mpc-lib, 1493[AS_HELP_STRING([--with-mpc-lib=PATH], 1494 [specify directory for the installed MPC library])]) 1495 1496if test "x$with_mpc" != x; then 1497 gmplibs="-L$with_mpc/lib $gmplibs" 1498 gmpinc="-I$with_mpc/include $gmpinc" 1499fi 1500if test "x$with_mpc_include" != x; then 1501 gmpinc="-I$with_mpc_include $gmpinc" 1502fi 1503if test "x$with_mpc_lib" != x; then 1504 gmplibs="-L$with_mpc_lib $gmplibs" 1505fi 1506if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then 1507 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs" 1508 gmpinc='-I$$s/mpc/src '"$gmpinc" 1509 # Do not test the mpc version. Assume that it is sufficient, since 1510 # it is in the source tree, and the library has not been built yet 1511 # but it would be included on the link line in the version check below 1512 # hence making the test fail. 1513 have_gmp=yes 1514fi 1515 1516# Specify a location for mpfr 1517# check for this first so it ends up on the link line before gmp. 1518AC_ARG_WITH(mpfr-dir, 1519[AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])], 1520[AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed. 1521Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])]) 1522 1523AC_ARG_WITH(mpfr, 1524[AS_HELP_STRING([--with-mpfr=PATH], 1525 [specify prefix directory for installed MPFR package. 1526 Equivalent to --with-mpfr-include=PATH/include 1527 plus --with-mpfr-lib=PATH/lib])]) 1528AC_ARG_WITH(mpfr-include, 1529[AS_HELP_STRING([--with-mpfr-include=PATH], 1530 [specify directory for installed MPFR include files])]) 1531AC_ARG_WITH(mpfr-lib, 1532[AS_HELP_STRING([--with-mpfr-lib=PATH], 1533 [specify directory for the installed MPFR library])]) 1534 1535if test "x$with_mpfr" != x; then 1536 gmplibs="-L$with_mpfr/lib $gmplibs" 1537 gmpinc="-I$with_mpfr/include $gmpinc" 1538fi 1539if test "x$with_mpfr_include" != x; then 1540 gmpinc="-I$with_mpfr_include $gmpinc" 1541fi 1542if test "x$with_mpfr_lib" != x; then 1543 gmplibs="-L$with_mpfr_lib $gmplibs" 1544fi 1545if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then 1546 # MPFR v3.1.0 moved the sources into a src sub-directory. 1547 if ! test -d ${srcdir}/mpfr/src; then 1548 AC_MSG_ERROR([dnl 1549Building GCC with MPFR in the source tree is only handled for MPFR 3.1.0+.]) 1550 fi 1551 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs" 1552 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc" 1553 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir" 1554 # Do not test the mpfr version. Assume that it is sufficient, since 1555 # it is in the source tree, and the library has not been built yet 1556 # but it would be included on the link line in the version check below 1557 # hence making the test fail. 1558 have_gmp=yes 1559fi 1560 1561# Specify a location for gmp 1562AC_ARG_WITH(gmp-dir, 1563[AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])], 1564[AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed. 1565Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])]) 1566 1567AC_ARG_WITH(gmp, 1568[AS_HELP_STRING([--with-gmp=PATH], 1569 [specify prefix directory for the installed GMP package. 1570 Equivalent to --with-gmp-include=PATH/include 1571 plus --with-gmp-lib=PATH/lib])]) 1572AC_ARG_WITH(gmp-include, 1573[AS_HELP_STRING([--with-gmp-include=PATH], 1574 [specify directory for installed GMP include files])]) 1575AC_ARG_WITH(gmp-lib, 1576[AS_HELP_STRING([--with-gmp-lib=PATH], 1577 [specify directory for the installed GMP library])]) 1578 1579 1580if test "x$with_gmp" != x; then 1581 gmplibs="-L$with_gmp/lib $gmplibs" 1582 gmpinc="-I$with_gmp/include $gmpinc" 1583fi 1584if test "x$with_gmp_include" != x; then 1585 gmpinc="-I$with_gmp_include $gmpinc" 1586fi 1587if test "x$with_gmp_lib" != x; then 1588 gmplibs="-L$with_gmp_lib $gmplibs" 1589fi 1590if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then 1591 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs" 1592 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc" 1593 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir" 1594 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir" 1595 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp' 1596 # Do not test the gmp version. Assume that it is sufficient, since 1597 # it is in the source tree, and the library has not been built yet 1598 # but it would be included on the link line in the version check below 1599 # hence making the test fail. 1600 have_gmp=yes 1601fi 1602 1603if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then 1604 have_gmp=yes 1605 saved_CFLAGS="$CFLAGS" 1606 CFLAGS="$CFLAGS $gmpinc" 1607 # Check for the recommended and required versions of GMP. 1608 AC_MSG_CHECKING([for the correct version of gmp.h]) 1609 AC_TRY_COMPILE([#include "gmp.h"],[ 1610 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) 1611 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) 1612 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3) 1613 choke me 1614 #endif 1615 ], [AC_TRY_COMPILE([#include <gmp.h>],[ 1616 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) 1617 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) 1618 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2) 1619 choke me 1620 #endif 1621 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1622 [AC_MSG_RESULT([no]); have_gmp=no]) 1623 1624 # If we have GMP, check the MPFR version. 1625 if test x"$have_gmp" = xyes; then 1626 # Check for the recommended and required versions of MPFR. 1627 AC_MSG_CHECKING([for the correct version of mpfr.h]) 1628 AC_TRY_COMPILE([#include <gmp.h> 1629 #include <mpfr.h>],[ 1630 #if MPFR_VERSION < MPFR_VERSION_NUM(3,1,0) 1631 choke me 1632 #endif 1633 ], [AC_TRY_COMPILE([#include <gmp.h> 1634 #include <mpfr.h>],[ 1635 #if MPFR_VERSION < MPFR_VERSION_NUM(3,1,6) 1636 choke me 1637 #endif 1638 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1639 [AC_MSG_RESULT([no]); have_gmp=no]) 1640 fi 1641 1642 # Check for the MPC header version. 1643 if test x"$have_gmp" = xyes ; then 1644 # Check for the recommended and required versions of MPC. 1645 AC_MSG_CHECKING([for the correct version of mpc.h]) 1646 AC_TRY_COMPILE([#include <mpc.h>],[ 1647 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0) 1648 choke me 1649 #endif 1650 ], [AC_TRY_COMPILE([#include <mpc.h>],[ 1651 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1) 1652 choke me 1653 #endif 1654 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1655 [AC_MSG_RESULT([no]); have_gmp=no]) 1656 fi 1657 1658 # Now check the MPFR library. 1659 if test x"$have_gmp" = xyes; then 1660 saved_LIBS="$LIBS" 1661 LIBS="$LIBS $gmplibs" 1662 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries]) 1663 AC_TRY_LINK([#include <mpc.h>],[ 1664 mpfr_t n; 1665 mpfr_t x; 1666 mpc_t c; 1667 int t; 1668 mpfr_init (n); 1669 mpfr_init (x); 1670 mpfr_atan2 (n, n, x, MPFR_RNDN); 1671 mpfr_erfc (n, x, MPFR_RNDN); 1672 mpfr_subnormalize (x, t, MPFR_RNDN); 1673 mpfr_clear(n); 1674 mpfr_clear(x); 1675 mpc_init2 (c, 53); 1676 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN); 1677 mpc_cosh (c, c, MPC_RNDNN); 1678 mpc_pow (c, c, c, MPC_RNDNN); 1679 mpc_acosh (c, c, MPC_RNDNN); 1680 mpc_clear (c); 1681 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no]) 1682 LIBS="$saved_LIBS" 1683 fi 1684 1685 CFLAGS="$saved_CFLAGS" 1686 1687# The library versions listed in the error message below should match 1688# the HARD-minimums enforced above. 1689 if test x$have_gmp != xyes; then 1690 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 3.1.0+ and MPC 0.8.0+. 1691Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify 1692their locations. Source code for these libraries can be found at 1693their respective hosting sites as well as at 1694https://gcc.gnu.org/pub/gcc/infrastructure/. See also 1695http://gcc.gnu.org/install/prerequisites.html for additional info. If 1696you obtained GMP, MPFR and/or MPC from a vendor distribution package, 1697make sure that you have installed both the libraries and the header 1698files. They may be located in separate packages.]) 1699 fi 1700fi 1701 1702# Flags needed for both GMP, MPFR and/or MPC. 1703AC_SUBST(gmplibs) 1704AC_SUBST(gmpinc) 1705AC_SUBST(extra_mpfr_configure_flags) 1706AC_SUBST(extra_mpc_gmp_configure_flags) 1707AC_SUBST(extra_mpc_mpfr_configure_flags) 1708AC_SUBST(extra_isl_gmp_configure_flags) 1709 1710# Libraries to use for stage1 or when not bootstrapping. 1711AC_ARG_WITH(stage1-libs, 1712[AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])], 1713[if test "$withval" = "no" -o "$withval" = "yes"; then 1714 stage1_libs= 1715 else 1716 stage1_libs=$withval 1717 fi], 1718[stage1_libs=]) 1719AC_SUBST(stage1_libs) 1720 1721# Whether or not to use -static-libstdc++ and -static-libgcc. The 1722# default is yes if gcc is being built; no otherwise. The reason for 1723# this default is that gdb is sometimes linked against GNU Source 1724# Highlight, which is a shared library that uses C++ exceptions. In 1725# this case, -static-libstdc++ will cause crashes. 1726AC_ARG_WITH(static-standard-libraries, 1727[AS_HELP_STRING([--with-static-standard-libraries], 1728 [use -static-libstdc++ and -static-libgcc (default=auto)])], 1729[], [with_static_standard_libraries=auto]) 1730if test "$with_static_standard_libraries" = auto; then 1731 with_static_standard_libraries=$have_compiler 1732fi 1733 1734# Linker flags to use for stage1 or when not bootstrapping. 1735AC_ARG_WITH(stage1-ldflags, 1736[AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])], 1737[if test "$withval" = "no" -o "$withval" = "yes"; then 1738 stage1_ldflags= 1739 else 1740 stage1_ldflags=$withval 1741 fi], 1742[stage1_ldflags= 1743 # In stage 1, default to linking libstdc++ and libgcc statically with GCC 1744 # if supported. But if the user explicitly specified the libraries to use, 1745 # trust that they are doing what they want. 1746 if test "$with_static_standard_libraries" = yes -a "$stage1_libs" = "" \ 1747 -a "$have_static_libs" = yes; then 1748 stage1_ldflags="-static-libstdc++ -static-libgcc" 1749 fi]) 1750AC_SUBST(stage1_ldflags) 1751 1752# Libraries to use for stage2 and later builds. 1753AC_ARG_WITH(boot-libs, 1754[AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])], 1755[if test "$withval" = "no" -o "$withval" = "yes"; then 1756 poststage1_libs= 1757 else 1758 poststage1_libs=$withval 1759 fi], 1760[poststage1_libs=]) 1761AC_SUBST(poststage1_libs) 1762 1763# Linker flags to use for stage2 and later builds. 1764AC_ARG_WITH(boot-ldflags, 1765[AS_HELP_STRING([--with-boot-ldflags=FLAGS], 1766 [linker flags for stage2 and later])], 1767[if test "$withval" = "no" -o "$withval" = "yes"; then 1768 poststage1_ldflags= 1769 else 1770 poststage1_ldflags=$withval 1771 fi], 1772[poststage1_ldflags= 1773 # In stages 2 and 3, default to linking libstdc++ and libgcc 1774 # statically. But if the user explicitly specified the libraries to 1775 # use, trust that they are doing what they want. 1776 if test "$poststage1_libs" = ""; then 1777 poststage1_ldflags="-static-libstdc++ -static-libgcc" 1778 fi]) 1779AC_SUBST(poststage1_ldflags) 1780 1781# GCC GRAPHITE dependency isl. 1782# Basic setup is inlined here, actual checks are in config/isl.m4 1783 1784AC_ARG_WITH(isl, 1785 [AS_HELP_STRING( 1786 [--with-isl=PATH], 1787 [Specify prefix directory for the installed isl package. 1788 Equivalent to --with-isl-include=PATH/include 1789 plus --with-isl-lib=PATH/lib])]) 1790 1791# Treat --without-isl as a request to disable 1792# GRAPHITE support and skip all following checks. 1793if test "x$with_isl" != "xno"; then 1794 # Check for isl 1795 dnl Provide configure switches and initialize islinc & isllibs 1796 dnl with user input. 1797 ISL_INIT_FLAGS 1798 dnl The versions of isl that work for Graphite 1799 ISL_CHECK_VERSION() 1800 dnl Only execute fail-action, if isl has been requested. 1801 ISL_IF_FAILED([ 1802 AC_MSG_ERROR([Unable to find a usable isl. See config.log for details.])]) 1803fi 1804 1805# If the isl check failed, disable builds of in-tree variant of isl 1806if test "x$with_isl" = xno || 1807 test "x$gcc_cv_isl" = xno; then 1808 noconfigdirs="$noconfigdirs isl" 1809 islinc= 1810fi 1811 1812AC_SUBST(isllibs) 1813AC_SUBST(islinc) 1814 1815# Check for LTO support. 1816AC_ARG_ENABLE(lto, 1817[AS_HELP_STRING([--enable-lto], [enable link time optimization support])], 1818enable_lto=$enableval, 1819enable_lto=yes; default_enable_lto=yes) 1820 1821ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always. 1822 case $target in 1823 m68010-*) 1824 build_lto_plugin=no;; 1825 *) 1826 build_lto_plugin=yes;; 1827 esac 1828],[if test x"$default_enable_lto" = x"yes" ; then 1829 case $target in 1830 *-apple-darwin[[912]]* | *-cygwin* | *-mingw* | *djgpp*) ;; 1831 # On other non-ELF platforms, LTO has yet to be validated. 1832 *) enable_lto=no ;; 1833 esac 1834 else 1835 # Apart from ELF platforms, only Windows and Darwin support LTO so far. 1836 # It would also be nice to check the binutils support, but we don't 1837 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just 1838 # warn during gcc/ subconfigure; unless you're bootstrapping with 1839 # -flto it won't be needed until after installation anyway. 1840 case $target in 1841 *-cygwin* | *-mingw* | *-apple-darwin* | *djgpp*) ;; 1842 *) if test x"$enable_lto" = x"yes"; then 1843 AC_MSG_ERROR([LTO support is not enabled for this target.]) 1844 fi 1845 ;; 1846 esac 1847 fi 1848 # Among non-ELF, only Windows platforms support the lto-plugin so far. 1849 # Build it unless LTO was explicitly disabled. 1850 case $target in 1851 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;; 1852 *) ;; 1853 esac 1854]) 1855 1856AC_ARG_ENABLE(linker-plugin-configure-flags, 1857 [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]], 1858 [additional flags for configuring linker plugins @<:@none@:>@])], 1859 extra_linker_plugin_configure_flags=$enableval, 1860 extra_linker_plugin_configure_flags=) 1861AC_SUBST(extra_linker_plugin_configure_flags) 1862AC_ARG_ENABLE(linker-plugin-flags, 1863 [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]], 1864 [additional flags for configuring and building linker plugins @<:@none@:>@])], 1865 extra_linker_plugin_flags=$enableval, 1866 extra_linker_plugin_flags=) 1867AC_SUBST(extra_linker_plugin_flags) 1868 1869# Enable --enable-host-shared. 1870# Checked early to determine whether jit is an 'all' language 1871AC_ARG_ENABLE(host-shared, 1872[AS_HELP_STRING([--enable-host-shared], 1873 [build host code as shared libraries])], 1874[host_shared=$enableval], [host_shared=no]) 1875AC_SUBST(host_shared) 1876 1877# By default, C and C++ are the only stage 1 languages. 1878stage1_languages=,c, 1879 1880# Target libraries that we bootstrap. 1881bootstrap_target_libs=,target-libgcc, 1882 1883# Figure out what language subdirectories are present. 1884# Look if the user specified --enable-languages="..."; if not, use 1885# the environment variable $LANGUAGES if defined. $LANGUAGES might 1886# go away some day. 1887# NB: embedded tabs in this IF block -- do not untabify 1888if test -d ${srcdir}/gcc; then 1889 if test x"${enable_languages+set}" != xset; then 1890 if test x"${LANGUAGES+set}" = xset; then 1891 enable_languages="${LANGUAGES}" 1892 echo configure.ac: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2 1893 else 1894 enable_languages=default 1895 fi 1896 else 1897 if test x"${enable_languages}" = x || 1898 test x"${enable_languages}" = xyes; 1899 then 1900 echo configure.ac: --enable-languages needs at least one language argument 1>&2 1901 exit 1 1902 fi 1903 fi 1904 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'` 1905 1906 # 'f95' is the old name for the 'fortran' language. We issue a warning 1907 # and make the substitution. 1908 case ,${enable_languages}, in 1909 *,f95,*) 1910 echo configure.ac: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2 1911 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'` 1912 ;; 1913 esac 1914 1915 # If bootstrapping, C++ must be enabled. 1916 case ",$enable_languages,:$enable_bootstrap" in 1917 *,c++,*:*) ;; 1918 *:yes) 1919 if test -f ${srcdir}/gcc/cp/config-lang.in; then 1920 enable_languages="${enable_languages},c++" 1921 else 1922 AC_MSG_ERROR([bootstrapping requires c++ sources]) 1923 fi 1924 ;; 1925 esac 1926 1927 # First scan to see if an enabled language requires some other language. 1928 # We assume that a given config-lang.in will list all the language 1929 # front ends it requires, even if some are required indirectly. 1930 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do 1931 case ${lang_frag} in 1932 ..) ;; 1933 # The odd quoting in the next line works around 1934 # an apparent bug in bash 1.12 on linux. 1935 ${srcdir}/gcc/[[*]]/config-lang.in) ;; 1936 *) 1937 # From the config-lang.in, get $language, $lang_requires, and 1938 # $lang_requires_boot_languages. 1939 language= 1940 lang_requires= 1941 lang_requires_boot_languages= 1942 # set srcdir during sourcing lang_frag to the gcc dir. 1943 # Sadly overriding srcdir on the . line doesn't work in plain sh as it 1944 # polutes this shell 1945 saved_srcdir=${srcdir} 1946 srcdir=${srcdir}/gcc . ${lang_frag} 1947 srcdir=${saved_srcdir} 1948 for other in ${lang_requires} ${lang_requires_boot_languages}; do 1949 case ,${enable_languages}, in 1950 *,$other,*) ;; 1951 *,default,*) ;; 1952 *,all,*) ;; 1953 *,$language,*) 1954 echo " \`$other' language required by \`$language'; enabling" 1>&2 1955 enable_languages="${enable_languages},${other}" 1956 ;; 1957 esac 1958 done 1959 for other in ${lang_requires_boot_languages} ; do 1960 if test "$other" != "c"; then 1961 case ,${enable_stage1_languages}, in 1962 *,$other,*) ;; 1963 *,default,*) ;; 1964 *,all,*) ;; 1965 *) 1966 case ,${enable_languages}, in 1967 *,$language,*) 1968 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2 1969 enable_stage1_languages="$enable_stage1_languages,${other}" 1970 ;; 1971 esac 1972 ;; 1973 esac 1974 fi 1975 done 1976 ;; 1977 esac 1978 done 1979 1980 new_enable_languages=,c, 1981 1982 # If LTO is enabled, add the LTO front end. 1983 if test "$enable_lto" = "yes" ; then 1984 case ,${enable_languages}, in 1985 *,lto,*) ;; 1986 *) enable_languages="${enable_languages},lto" ;; 1987 esac 1988 if test "${build_lto_plugin}" = "yes" ; then 1989 configdirs="$configdirs lto-plugin" 1990 fi 1991 fi 1992 1993 # If we're building an offloading compiler, add the LTO front end. 1994 if test x"$enable_as_accelerator_for" != x ; then 1995 case ,${enable_languages}, in 1996 *,lto,*) ;; 1997 *) enable_languages="${enable_languages},lto" ;; 1998 esac 1999 fi 2000 2001 missing_languages=`echo ",$enable_languages," | sed -e s/,default,/,/ -e s/,all,/,/ -e s/,c,/,/ ` 2002 potential_languages=,c, 2003 2004 enabled_target_libs= 2005 disabled_target_libs= 2006 2007 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do 2008 case ${lang_frag} in 2009 ..) ;; 2010 # The odd quoting in the next line works around 2011 # an apparent bug in bash 1.12 on linux. 2012 ${srcdir}/gcc/[[*]]/config-lang.in) ;; 2013 *) 2014 # From the config-lang.in, get $language, $target_libs, 2015 # $lang_dirs, $boot_language, and $build_by_default 2016 language= 2017 target_libs= 2018 lang_dirs= 2019 subdir_requires= 2020 boot_language=no 2021 build_by_default=yes 2022 # set srcdir during sourcing. See above about save & restore 2023 saved_srcdir=${srcdir} 2024 srcdir=${srcdir}/gcc . ${lang_frag} 2025 srcdir=${saved_srcdir} 2026 if test x${language} = x; then 2027 echo "${lang_frag} doesn't set \$language." 1>&2 2028 exit 1 2029 fi 2030 2031 if test "$language" = "c++"; then 2032 boot_language=yes 2033 fi 2034 2035 add_this_lang=no 2036 # C is always enabled, so no need to add it again 2037 if test "$language" != "c"; then 2038 case ,${enable_languages}, in 2039 *,${language},*) 2040 # Language was explicitly selected; include it 2041 add_this_lang=yes 2042 ;; 2043 *,all,*) 2044 # All languages are enabled 2045 add_this_lang=all 2046 ;; 2047 *,default,*) 2048 # 'default' was selected, select it if it is a default language 2049 add_this_lang=${build_by_default} 2050 ;; 2051 esac 2052 fi 2053 2054 # Disable languages that need other directories if these aren't available. 2055 for i in $subdir_requires; do 2056 test -f "$srcdir/gcc/$i/config-lang.in" && continue 2057 case ${add_this_lang} in 2058 yes) 2059 # Specifically requested language; tell them. 2060 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing]) 2061 ;; 2062 all) 2063 AC_MSG_WARN([The gcc/$i directory contains parts of $language but is missing]) 2064 add_this_lang=unsupported 2065 ;; 2066 *) 2067 # Silently disable. 2068 add_this_lang=unsupported 2069 ;; 2070 esac 2071 done 2072 2073 # Disable Ada if no preexisting GNAT is available. 2074 case ${add_this_lang}:${language}:${have_gnat} in 2075 yes:ada:no) 2076 # Specifically requested language; tell them. 2077 AC_MSG_ERROR([GNAT is required to build $language]) 2078 ;; 2079 all:ada:no) 2080 AC_MSG_WARN([GNAT is required to build $language]) 2081 add_this_lang=unsupported 2082 ;; 2083 *:ada:no) 2084 # Silently disable. 2085 add_this_lang=unsupported 2086 ;; 2087 esac 2088 2089 # Disable jit if -enable-host-shared not specified 2090 case ${add_this_lang}:${language}:${host_shared} in 2091 yes:jit:no) 2092 # PR jit/64780: explicitly specify --enable-host-shared 2093 AC_MSG_ERROR([ 2094Enabling language "jit" requires --enable-host-shared. 2095 2096--enable-host-shared typically slows the rest of the compiler down by 2097a few %, so you must explicitly enable it. 2098 2099If you want to build both the jit and the regular compiler, it is often 2100best to do this via two separate configure/builds, in separate 2101directories, to avoid imposing the performance cost of 2102--enable-host-shared on the regular compiler.]) 2103 ;; 2104 all:jit:no) 2105 AC_MSG_WARN([--enable-host-shared required to build $language]) 2106 add_this_lang=unsupported 2107 ;; 2108 *:jit:no) 2109 # Silently disable. 2110 add_this_lang=unsupported 2111 ;; 2112 esac 2113 2114 # Disable a language that is unsupported by the target. 2115 case "${add_this_lang}: $unsupported_languages " in 2116 no:*) ;; 2117 unsupported:*) ;; 2118 *:*" $language "*) 2119 AC_MSG_WARN([${language} not supported for this target]) 2120 add_this_lang=unsupported 2121 ;; 2122 esac 2123 2124 case $add_this_lang in 2125 unsupported) 2126 # Remove language-dependent dirs. 2127 disabled_target_libs="$disabled_target_libs $target_libs" 2128 noconfigdirs="$noconfigdirs $lang_dirs" 2129 ;; 2130 no) 2131 # Remove language-dependent dirs; still show language as supported. 2132 disabled_target_libs="$disabled_target_libs $target_libs" 2133 noconfigdirs="$noconfigdirs $lang_dirs" 2134 potential_languages="${potential_languages}${language}," 2135 ;; 2136 all|yes) 2137 new_enable_languages="${new_enable_languages}${language}," 2138 potential_languages="${potential_languages}${language}," 2139 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"` 2140 enabled_target_libs="$enabled_target_libs $target_libs" 2141 case "${boot_language}:,$enable_stage1_languages," in 2142 yes:* | *:*,$language,* | *:*,yes, | *:*,all,) 2143 # Add to (comma-separated) list of stage 1 languages. 2144 case ",$stage1_languages," in 2145 *,$language,* | ,yes, | ,all,) ;; 2146 *) stage1_languages="${stage1_languages}${language}," ;; 2147 esac 2148 # We need to bootstrap any supporting libraries. 2149 bootstrap_target_libs="${bootstrap_target_libs}${target_libs}," 2150 ;; 2151 esac 2152 ;; 2153 esac 2154 ;; 2155 esac 2156 done 2157 2158 # Add target libraries which are only needed for disabled languages 2159 # to noconfigdirs. 2160 if test -n "$disabled_target_libs"; then 2161 for dir in $disabled_target_libs; do 2162 case " $enabled_target_libs " in 2163 *" ${dir} "*) ;; 2164 *) noconfigdirs="$noconfigdirs $dir" ;; 2165 esac 2166 done 2167 fi 2168 2169 AC_ARG_ENABLE(stage1-languages, 2170 [AS_HELP_STRING([[--enable-stage1-languages[=all]]], 2171 [choose additional languages to build during 2172 stage1. Mostly useful for compiler development])], 2173 [case ,${enable_stage1_languages}, in 2174 ,no,|,,) 2175 # Set it to something that will have no effect in the loop below 2176 enable_stage1_languages=c ;; 2177 ,yes,) 2178 enable_stage1_languages=`echo $new_enable_languages | \ 2179 sed -e "s/^,//" -e "s/,$//" ` ;; 2180 *,all,*) 2181 enable_stage1_languages=`echo ,$enable_stage1_languages, | \ 2182 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;; 2183 esac 2184 2185 # Add "good" languages from enable_stage1_languages to stage1_languages, 2186 # while "bad" languages go in missing_languages. Leave no duplicates. 2187 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do 2188 case $potential_languages in 2189 *,$i,*) 2190 case $stage1_languages in 2191 *,$i,*) ;; 2192 *) stage1_languages="$stage1_languages$i," ;; 2193 esac ;; 2194 *) 2195 case $missing_languages in 2196 *,$i,*) ;; 2197 *) missing_languages="$missing_languages$i," ;; 2198 esac ;; 2199 esac 2200 done]) 2201 2202 # Remove leading/trailing commas that were added for simplicity 2203 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"` 2204 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"` 2205 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"` 2206 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"` 2207 2208 if test "x$missing_languages" != x; then 2209 AC_MSG_ERROR([ 2210The following requested languages could not be built: ${missing_languages} 2211Supported languages are: ${potential_languages}]) 2212 fi 2213 if test "x$new_enable_languages" != "x$enable_languages"; then 2214 echo The following languages will be built: ${new_enable_languages} 2215 enable_languages="$new_enable_languages" 2216 fi 2217 2218 AC_SUBST(stage1_languages) 2219 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" ` 2220fi 2221 2222# Handle --disable-<component> generically. 2223for dir in $configdirs $build_configdirs $target_configdirs ; do 2224 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g` 2225 varname=`echo $dirname | sed -e s/+/_/g` 2226 if eval test x\${enable_${varname}} "=" xno ; then 2227 noconfigdirs="$noconfigdirs $dir" 2228 fi 2229done 2230 2231# Check for Boehm's garbage collector 2232AC_ARG_ENABLE(objc-gc, 2233[AS_HELP_STRING([--enable-objc-gc], 2234 [enable use of Boehm's garbage collector with the 2235 GNU Objective-C runtime])]) 2236AC_ARG_WITH([target-bdw-gc], 2237[AS_HELP_STRING([--with-target-bdw-gc=PATHLIST], 2238 [specify prefix directory for installed bdw-gc package. 2239 Equivalent to --with-target-bdw-gc-include=PATH/include 2240 plus --with-target-bdw-gc-lib=PATH/lib])]) 2241AC_ARG_WITH([target-bdw-gc-include], 2242[AS_HELP_STRING([--with-target-bdw-gc-include=PATHLIST], 2243 [specify directories for installed bdw-gc include files])]) 2244AC_ARG_WITH([target-bdw-gc-lib], 2245[AS_HELP_STRING([--with-target-bdw-gc-lib=PATHLIST], 2246 [specify directories for installed bdw-gc library])]) 2247 2248case ,${enable_languages},:${enable_objc_gc} in *,objc,*:yes|*,objc,*:auto) 2249 AC_MSG_CHECKING([for bdw garbage collector]) 2250 if test "x$with_target_bdw_gc$with_target_bdw_gc_include$with_target_bdw_gc_lib" = x; then 2251 dnl no bdw-gw options, assume default locations 2252 AC_MSG_RESULT([using bdw-gc in default locations]) 2253 else 2254 dnl bdw-gw options, first error checking, complete checking in libobjc 2255 if test "x$with_target_bdw_gc_include" = x && test "x$with_target_bdw_gc_lib" != x; then 2256 AC_MSG_ERROR([found --with-target-bdw-gc-lib but --with-target-bdw-gc-include missing]) 2257 elif test "x$with_target_bdw_gc_include" != x && test "x$with_target_bdw_gc_lib" = x; then 2258 AC_MSG_ERROR([found --with-target-bdw-gc-include but --with-target-bdw-gc-lib missing]) 2259 else 2260 AC_MSG_RESULT([using paths configured with --with-target-bdw-gc options]) 2261 fi 2262 fi 2263esac 2264 2265# Disable libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++ 2266case ,${enable_languages}, in 2267 *,c++,*) 2268 # Disable libitm, libsanitizer if we're not building libstdc++ 2269 case "${noconfigdirs}" in 2270 *target-libstdc++-v3*) 2271 noconfigdirs="$noconfigdirs target-libitm target-libsanitizer" 2272 ;; 2273 *) ;; 2274 esac 2275 ;; 2276 *) 2277 noconfigdirs="$noconfigdirs target-liboffloadmic target-libitm target-libsanitizer target-libvtv" 2278 ;; 2279esac 2280 2281# Remove the entries in $skipdirs and $noconfigdirs from $configdirs, 2282# $build_configdirs and $target_configdirs. 2283# If we have the source for $noconfigdirs entries, add them to $notsupp. 2284 2285notsupp="" 2286for dir in . $skipdirs $noconfigdirs ; do 2287 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g` 2288 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2289 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"` 2290 if test -r $srcdir/$dirname/configure ; then 2291 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2292 true 2293 else 2294 notsupp="$notsupp $dir" 2295 fi 2296 fi 2297 fi 2298 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2299 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"` 2300 if test -r $srcdir/$dirname/configure ; then 2301 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2302 true 2303 else 2304 notsupp="$notsupp $dir" 2305 fi 2306 fi 2307 fi 2308 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2309 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"` 2310 if test -r $srcdir/$dirname/configure ; then 2311 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2312 true 2313 else 2314 notsupp="$notsupp $dir" 2315 fi 2316 fi 2317 fi 2318done 2319 2320# Quietly strip out all directories which aren't configurable in this tree. 2321# This relies on all configurable subdirectories being autoconfiscated, which 2322# is now the case. 2323build_configdirs_all="$build_configdirs" 2324build_configdirs= 2325for i in ${build_configdirs_all} ; do 2326 j=`echo $i | sed -e s/build-//g` 2327 if test -f ${srcdir}/$j/configure ; then 2328 build_configdirs="${build_configdirs} $i" 2329 fi 2330done 2331 2332configdirs_all="$configdirs" 2333configdirs= 2334for i in ${configdirs_all} ; do 2335 if test -f ${srcdir}/$i/configure ; then 2336 configdirs="${configdirs} $i" 2337 fi 2338done 2339 2340target_configdirs_all="$target_configdirs" 2341target_configdirs= 2342for i in ${target_configdirs_all} ; do 2343 j=`echo $i | sed -e s/target-//g` 2344 if test -f ${srcdir}/$j/configure ; then 2345 target_configdirs="${target_configdirs} $i" 2346 fi 2347done 2348 2349# libiberty-linker-plugin is special: it doesn't have its own source directory, 2350# so we have to add it after the preceding checks. 2351if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x 2352then 2353 case " $configdirs " in 2354 *" libiberty "*) 2355 # If we can build libiberty, we can also build libiberty-linker-plugin. 2356 configdirs="$configdirs libiberty-linker-plugin" 2357 extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \ 2358 --with-libiberty=../libiberty-linker-plugin";; 2359 *) 2360 AC_MSG_ERROR([libiberty missing]);; 2361 esac 2362fi 2363 2364# Sometimes we have special requirements for the host libiberty. 2365extra_host_libiberty_configure_flags= 2366extra_host_zlib_configure_flags= 2367case " $configdirs " in 2368 *" lto-plugin "* | *" libcc1 "*) 2369 # When these are to be built as shared libraries, the same applies to 2370 # libiberty. 2371 extra_host_libiberty_configure_flags=--enable-shared 2372 ;; 2373 *" bfd "*) 2374 # When bfd is to be built as a shared library, the same applies to 2375 # zlib. 2376 if test "$enable_shared" = "yes"; then 2377 extra_host_zlib_configure_flags=--enable-host-shared 2378 fi 2379 ;; 2380esac 2381AC_SUBST(extra_host_libiberty_configure_flags) 2382AC_SUBST(extra_host_zlib_configure_flags) 2383 2384# Produce a warning message for the subdirs we can't configure. 2385# This isn't especially interesting in the Cygnus tree, but in the individual 2386# FSF releases, it's important to let people know when their machine isn't 2387# supported by the one or two programs in a package. 2388 2389if test -n "${notsupp}" && test -z "${norecursion}" ; then 2390 # If $appdirs is non-empty, at least one of those directories must still 2391 # be configured, or we error out. (E.g., if the gas release supports a 2392 # specified target in some subdirs but not the gas subdir, we shouldn't 2393 # pretend that all is well.) 2394 if test -n "$appdirs" ; then 2395 for dir in $appdirs ; do 2396 if test -r $dir/Makefile.in ; then 2397 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2398 appdirs="" 2399 break 2400 fi 2401 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then 2402 appdirs="" 2403 break 2404 fi 2405 fi 2406 done 2407 if test -n "$appdirs" ; then 2408 echo "*** This configuration is not supported by this package." 1>&2 2409 exit 1 2410 fi 2411 fi 2412 # Okay, some application will build, or we don't care to check. Still 2413 # notify of subdirs not getting built. 2414 echo "*** This configuration is not supported in the following subdirectories:" 1>&2 2415 echo " ${notsupp}" 1>&2 2416 echo " (Any other directories should still work fine.)" 1>&2 2417fi 2418 2419case "$host" in 2420 *msdosdjgpp*) 2421 enable_gdbtk=no ;; 2422esac 2423 2424# To find our prefix, in gcc_cv_tool_prefix. 2425ACX_TOOL_DIRS 2426 2427copy_dirs= 2428 2429AC_ARG_WITH([build-sysroot], 2430 [AS_HELP_STRING([--with-build-sysroot=SYSROOT], 2431 [use sysroot as the system root during the build])], 2432 [if test x"$withval" != x ; then 2433 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval" 2434 fi], 2435 [SYSROOT_CFLAGS_FOR_TARGET=]) 2436AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET) 2437 2438AC_ARG_WITH([debug-prefix-map], 2439 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'], 2440 [map A to B, C to D ... in debug information])], 2441 [if test x"$withval" != x; then 2442 DEBUG_PREFIX_CFLAGS_FOR_TARGET= 2443 for debug_map in $withval; do 2444 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map" 2445 done 2446 fi], 2447 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=]) 2448AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET) 2449 2450# During gcc bootstrap, if we use some random cc for stage1 then CFLAGS 2451# might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS 2452# might also be empty (or "-g", if a non-GCC C++ compiler is in the path). 2453# We want to ensure that TARGET libraries (which we know are built with 2454# gcc) are built with "-O2 -g", so include those options when setting 2455# CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET. 2456if test "x$CFLAGS_FOR_TARGET" = x; then 2457 if test "x${is_cross_compiler}" = xyes; then 2458 CFLAGS_FOR_TARGET="-g -O2" 2459 else 2460 CFLAGS_FOR_TARGET=$CFLAGS 2461 case " $CFLAGS " in 2462 *" -O2 "*) ;; 2463 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;; 2464 esac 2465 case " $CFLAGS " in 2466 *" -g "* | *" -g3 "*) ;; 2467 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;; 2468 esac 2469 fi 2470fi 2471AC_SUBST(CFLAGS_FOR_TARGET) 2472 2473if test "x$CXXFLAGS_FOR_TARGET" = x; then 2474 if test "x${is_cross_compiler}" = xyes; then 2475 CXXFLAGS_FOR_TARGET="-g -O2" 2476 else 2477 CXXFLAGS_FOR_TARGET=$CXXFLAGS 2478 case " $CXXFLAGS " in 2479 *" -O2 "*) ;; 2480 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;; 2481 esac 2482 case " $CXXFLAGS " in 2483 *" -g "* | *" -g3 "*) ;; 2484 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;; 2485 esac 2486 fi 2487fi 2488AC_SUBST(CXXFLAGS_FOR_TARGET) 2489 2490AC_SUBST(LDFLAGS_FOR_TARGET) 2491 2492# Handle --with-headers=XXX. If the value is not "yes", the contents of 2493# the named directory are copied to $(tooldir)/sys-include. 2494if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then 2495 if test x${is_cross_compiler} = xno ; then 2496 echo 1>&2 '***' --with-headers is only supported when cross compiling 2497 exit 1 2498 fi 2499 if test x"${with_headers}" != xyes ; then 2500 x=${gcc_cv_tool_prefix} 2501 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include" 2502 fi 2503fi 2504 2505# Handle --with-libs=XXX. If the value is not "yes", the contents of 2506# the name directories are copied to $(tooldir)/lib. Multiple directories 2507# are permitted. 2508if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then 2509 if test x${is_cross_compiler} = xno ; then 2510 echo 1>&2 '***' --with-libs is only supported when cross compiling 2511 exit 1 2512 fi 2513 if test x"${with_libs}" != xyes ; then 2514 # Copy the libraries in reverse order, so that files in the first named 2515 # library override files in subsequent libraries. 2516 x=${gcc_cv_tool_prefix} 2517 for l in ${with_libs}; do 2518 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}" 2519 done 2520 fi 2521fi 2522 2523# Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate. 2524# 2525# This is done by determining whether or not the appropriate directory 2526# is available, and by checking whether or not specific configurations 2527# have requested that this magic not happen. 2528# 2529# The command line options always override the explicit settings in 2530# configure.ac, and the settings in configure.ac override this magic. 2531# 2532# If the default for a toolchain is to use GNU as and ld, and you don't 2533# want to do that, then you should use the --without-gnu-as and 2534# --without-gnu-ld options for the configure script. Similarly, if 2535# the default is to use the included zlib and you don't want to do that, 2536# you should use the --with-system-zlib option for the configure script. 2537 2538if test x${use_gnu_as} = x && 2539 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then 2540 with_gnu_as=yes 2541 extra_host_args="$extra_host_args --with-gnu-as" 2542fi 2543 2544if test x${use_gnu_ld} = x && 2545 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then 2546 with_gnu_ld=yes 2547 extra_host_args="$extra_host_args --with-gnu-ld" 2548fi 2549 2550if test x${use_included_zlib} = x && 2551 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then 2552 : 2553else 2554 with_system_zlib=yes 2555 extra_host_args="$extra_host_args --with-system-zlib" 2556fi 2557 2558# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure 2559# can detect this case. 2560 2561if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then 2562 with_newlib=yes 2563 extra_host_args="$extra_host_args --with-newlib" 2564fi 2565 2566# Handle ${copy_dirs} 2567set fnord ${copy_dirs} 2568shift 2569while test $# != 0 ; do 2570 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then 2571 : 2572 else 2573 echo Copying $1 to $2 2574 2575 # Use the install script to create the directory and all required 2576 # parent directories. 2577 if test -d $2 ; then 2578 : 2579 else 2580 echo >config.temp 2581 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED 2582 fi 2583 2584 # Copy the directory, assuming we have tar. 2585 # FIXME: Should we use B in the second tar? Not all systems support it. 2586 (cd $1; tar -cf - .) | (cd $2; tar -xpf -) 2587 2588 # It is the responsibility of the user to correctly adjust all 2589 # symlinks. If somebody can figure out how to handle them correctly 2590 # here, feel free to add the code. 2591 2592 echo $1 > $2/COPIED 2593 fi 2594 shift; shift 2595done 2596 2597# Determine a target-dependent exec_prefix that the installed 2598# gcc will search in. Keep this list sorted by triplet, with 2599# the *-*-osname triplets last. 2600md_exec_prefix= 2601case "${target}" in 2602 i[[34567]]86-pc-msdosdjgpp*) 2603 md_exec_prefix=/dev/env/DJDIR/bin 2604 ;; 2605 *-*-hpux* | \ 2606 *-*-nto-qnx* | \ 2607 *-*-solaris2*) 2608 md_exec_prefix=/usr/ccs/bin 2609 ;; 2610esac 2611 2612extra_arflags_for_target= 2613extra_nmflags_for_target= 2614extra_ranlibflags_for_target= 2615target_makefile_frag=/dev/null 2616case "${target}" in 2617 spu-*-*) 2618 target_makefile_frag="config/mt-spu" 2619 ;; 2620 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*) 2621 target_makefile_frag="config/mt-sde" 2622 ;; 2623 mipsisa*-*-elfoabi*) 2624 target_makefile_frag="config/mt-mips-elfoabi" 2625 ;; 2626 mips*-*-*linux* | mips*-*-gnu*) 2627 target_makefile_frag="config/mt-mips-gnu" 2628 ;; 2629 nios2-*-elf*) 2630 target_makefile_frag="config/mt-nios2-elf" 2631 ;; 2632 *-*-linux-android*) 2633 target_makefile_frag="config/mt-android" 2634 ;; 2635 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 2636 target_makefile_frag="config/mt-gnu" 2637 ;; 2638 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*) 2639 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm 2640 # commands to handle both 32-bit and 64-bit objects. These flags are 2641 # harmless if we're using GNU nm or ar. 2642 extra_arflags_for_target=" -X32_64" 2643 extra_nmflags_for_target=" -B -X32_64" 2644 ;; 2645esac 2646 2647alphaieee_frag=/dev/null 2648case $target in 2649 alpha*-*-*) 2650 # This just makes sure to use the -mieee option to build target libs. 2651 # This should probably be set individually by each library. 2652 alphaieee_frag="config/mt-alphaieee" 2653 ;; 2654esac 2655 2656# If --enable-target-optspace always use -Os instead of -O2 to build 2657# the target libraries, similarly if it is not specified, use -Os 2658# on selected platforms. 2659ospace_frag=/dev/null 2660case "${enable_target_optspace}:${target}" in 2661 yes:*) 2662 ospace_frag="config/mt-ospace" 2663 ;; 2664 :d30v-*) 2665 ospace_frag="config/mt-d30v" 2666 ;; 2667 :m32r-* | :d10v-* | :fr30-* | :i?86*-*-elfiamcu) 2668 ospace_frag="config/mt-ospace" 2669 ;; 2670 no:* | :*) 2671 ;; 2672 *) 2673 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2 2674 ;; 2675esac 2676 2677# Some systems (e.g., one of the i386-aix systems the gas testers are 2678# using) don't handle "\$" correctly, so don't use it here. 2679tooldir='${exec_prefix}'/${target_noncanonical} 2680build_tooldir=${tooldir} 2681 2682# Create a .gdbinit file which runs the one in srcdir 2683# and tells GDB to look there for source files. 2684 2685if test -r ${srcdir}/.gdbinit ; then 2686 case ${srcdir} in 2687 .) ;; 2688 *) cat > ./.gdbinit <<EOF 2689# ${NO_EDIT} 2690dir ${srcdir} 2691dir . 2692source ${srcdir}/.gdbinit 2693EOF 2694 ;; 2695 esac 2696fi 2697 2698# Make sure that the compiler is able to generate an executable. If it 2699# can't, we are probably in trouble. We don't care whether we can run the 2700# executable--we might be using a cross compiler--we only care whether it 2701# can be created. At this point the main configure script has set CC. 2702we_are_ok=no 2703echo "int main () { return 0; }" > conftest.c 2704${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c 2705if test $? = 0 ; then 2706 if test -s conftest || test -s conftest.exe ; then 2707 we_are_ok=yes 2708 fi 2709fi 2710case $we_are_ok in 2711 no) 2712 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed." 2713 echo 1>&2 "*** You must set the environment variable CC to a working compiler." 2714 rm -f conftest* 2715 exit 1 2716 ;; 2717esac 2718rm -f conftest* 2719 2720# Decide which environment variable is used to find dynamic libraries. 2721case "${host}" in 2722 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;; 2723 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;; 2724 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;; 2725 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;; 2726esac 2727 2728# On systems where the dynamic library environment variable is PATH, 2729# gcc/ will put dynamic libraries into a subdirectory to avoid adding 2730# built executables to PATH. 2731if test "$RPATH_ENVVAR" = PATH; then 2732 GCC_SHLIB_SUBDIR=/shlib 2733else 2734 GCC_SHLIB_SUBDIR= 2735fi 2736 2737# Adjust the toplevel makefile according to whether bootstrap was selected. 2738case $enable_bootstrap in 2739 yes) 2740 bootstrap_suffix=bootstrap 2741 BUILD_CONFIG=bootstrap-debug 2742 ;; 2743 no) 2744 bootstrap_suffix=no-bootstrap 2745 BUILD_CONFIG= 2746 ;; 2747esac 2748 2749AC_MSG_CHECKING(for default BUILD_CONFIG) 2750 2751AC_ARG_WITH([build-config], 2752 [AS_HELP_STRING([--with-build-config='NAME NAME2...'], 2753 [use config/NAME.mk build configuration])], 2754 [case $with_build_config in 2755 yes) with_build_config= ;; 2756 no) with_build_config= BUILD_CONFIG= ;; 2757 esac]) 2758 2759if test "x${with_build_config}" != x; then 2760 BUILD_CONFIG=$with_build_config 2761else 2762 case $BUILD_CONFIG in 2763 bootstrap-debug) 2764 if echo "int f (void) { return 0; }" > conftest.c && 2765 ${CC} -c conftest.c && 2766 mv conftest.o conftest.o.g0 && 2767 ${CC} -c -g conftest.c && 2768 mv conftest.o conftest.o.g && 2769 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then 2770 : 2771 else 2772 BUILD_CONFIG= 2773 fi 2774 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g 2775 ;; 2776 esac 2777fi 2778AC_MSG_RESULT($BUILD_CONFIG) 2779AC_SUBST(BUILD_CONFIG) 2780 2781# Use same top-level configure hooks in libgcc/libstdc++/libvtv. 2782AC_MSG_CHECKING([for --enable-vtable-verify]) 2783AC_ARG_ENABLE(vtable-verify, 2784[AS_HELP_STRING([--enable-vtable-verify], 2785 [Enable vtable verification feature])], 2786[case "$enableval" in 2787 yes) enable_vtable_verify=yes ;; 2788 no) enable_vtable_verify=no ;; 2789 *) enable_vtable_verify=no;; 2790 esac], 2791[enable_vtable_verify=no]) 2792AC_MSG_RESULT($enable_vtable_verify) 2793 2794# Record target_configdirs and the configure arguments for target and 2795# build configuration in Makefile. 2796target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'` 2797build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'` 2798bootstrap_fixincludes=no 2799 2800# If we are building libgomp, bootstrap it. 2801if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then 2802 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp, 2803fi 2804 2805# If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan 2806# or bootstrap-ubsan, bootstrap it. 2807if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then 2808 case "$BUILD_CONFIG" in 2809 *bootstrap-asan* | *bootstrap-ubsan* ) 2810 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer, 2811 bootstrap_fixincludes=yes 2812 ;; 2813 esac 2814fi 2815 2816# If we are building libvtv and --enable-vtable-verify, bootstrap it. 2817if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 && 2818 test "$enable_vtable_verify" != no; then 2819 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv, 2820fi 2821 2822# Determine whether gdb needs tk/tcl or not. 2823# Use 'maybe' since enable_gdbtk might be true even if tk isn't available 2824# and in that case we want gdb to be built without tk. Ugh! 2825# In fact I believe gdb is the *only* package directly dependent on tk, 2826# so we should be able to put the 'maybe's in unconditionally and 2827# leave out the maybe dependencies when enable_gdbtk is false. I'm not 2828# 100% sure that that's safe though. 2829 2830gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui" 2831case "$enable_gdbtk" in 2832 no) 2833 GDB_TK="" ;; 2834 yes) 2835 GDB_TK="${gdb_tk}" ;; 2836 *) 2837 # Only add the dependency on gdbtk when GDBtk is part of the gdb 2838 # distro. Eventually someone will fix this and move Insight, nee 2839 # gdbtk to a separate directory. 2840 if test -d ${srcdir}/gdb/gdbtk ; then 2841 GDB_TK="${gdb_tk}" 2842 else 2843 GDB_TK="" 2844 fi 2845 ;; 2846esac 2847CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g` 2848INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g` 2849 2850# gdb and gdbserver depend on gnulib and gdbsupport, but as nothing 2851# else does, only include them if one of these is built. The Makefile 2852# provides the ordering, so it's enough here to add to the list. 2853case " ${configdirs} " in 2854 *\ gdb\ *) 2855 configdirs="${configdirs} gnulib gdbsupport" 2856 ;; 2857 *\ gdbserver\ *) 2858 configdirs="${configdirs} gnulib gdbsupport" 2859 ;; 2860esac 2861 2862# Strip out unwanted targets. 2863 2864# While at that, we remove Makefiles if we were started for recursive 2865# configuration, so that the top-level Makefile reconfigures them, 2866# like we used to do when configure itself was recursive. 2867 2868# Loop over modules. We used to use the "$extrasub" feature from Autoconf 2869# but now we're fixing up the Makefile ourselves with the additional 2870# commands passed to AC_CONFIG_FILES. Use separate variables 2871# extrasub-{build,host,target} not because there is any reason to split 2872# the substitutions up that way, but only to remain below the limit of 2873# 99 commands in a script, for HP-UX sed. 2874 2875# Do not nest @if/@endif or @unless/@endunless pairs, because 2876# configure will not warn you at all. 2877 2878case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in 2879 yes:yes:*\ gold\ *:*,c++,*) ;; 2880 yes:yes:*\ gold\ *:*) 2881 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages]) 2882 ;; 2883esac 2884 2885extrasub_build= 2886for module in ${build_configdirs} ; do 2887 if test -z "${no_recursion}" \ 2888 && test -f ${build_subdir}/${module}/Makefile; then 2889 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure" 2890 rm -f ${build_subdir}/${module}/Makefile 2891 fi 2892 extrasub_build="$extrasub_build 2893/^@if build-$module\$/d 2894/^@endif build-$module\$/d 2895/^@unless build-$module\$/,/^@endunless build-$module\$/d 2896/^@if build-$module-$bootstrap_suffix\$/d 2897/^@endif build-$module-$bootstrap_suffix\$/d 2898/^@unless build-$module-$bootstrap_suffix\$/,/^@endunless build-$module-$bootstrap_suffix\$/d" 2899done 2900extrasub_host= 2901for module in ${configdirs} ; do 2902 if test -z "${no_recursion}"; then 2903 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do 2904 if test -f ${file}; then 2905 echo 1>&2 "*** removing ${file} to force reconfigure" 2906 rm -f ${file} 2907 fi 2908 done 2909 fi 2910 case ${module},${bootstrap_fixincludes} in 2911 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;; 2912 *) host_bootstrap_suffix=$bootstrap_suffix ;; 2913 esac 2914 extrasub_host="$extrasub_host 2915/^@if $module\$/d 2916/^@endif $module\$/d 2917/^@unless $module\$/,/^@endunless $module\$/d 2918/^@if $module-$host_bootstrap_suffix\$/d 2919/^@endif $module-$host_bootstrap_suffix\$/d 2920/^@unless $module-$host_bootstrap_suffix\$/,/^@endunless $module-$host_bootstrap_suffix\$/d" 2921done 2922extrasub_target= 2923for module in ${target_configdirs} ; do 2924 if test -z "${no_recursion}" \ 2925 && test -f ${target_subdir}/${module}/Makefile; then 2926 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure" 2927 rm -f ${target_subdir}/${module}/Makefile 2928 fi 2929 2930 # We only bootstrap target libraries listed in bootstrap_target_libs. 2931 case $bootstrap_target_libs in 2932 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;; 2933 *) target_bootstrap_suffix=no-bootstrap ;; 2934 esac 2935 2936 extrasub_target="$extrasub_target 2937/^@if target-$module\$/d 2938/^@endif target-$module\$/d 2939/^@unless target-$module\$/,/^@endunless target-$module\$/d 2940/^@if target-$module-$target_bootstrap_suffix\$/d 2941/^@endif target-$module-$target_bootstrap_suffix\$/d 2942/^@unless target-$module-$target_bootstrap_suffix\$/,/^@endunless target-$module-$target_bootstrap_suffix\$/d" 2943done 2944 2945# Do the final fixup along with target modules. 2946extrasub_target="$extrasub_target 2947/^@if /,/^@endif /d 2948/^@unless /d 2949/^@endunless /d" 2950 2951# Create the serialization dependencies. This uses a temporary file. 2952 2953AC_ARG_ENABLE([serial-configure], 2954[AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]], 2955 [force sequential configuration of 2956 sub-packages for the host, target or build 2957 machine, or all sub-packages])]) 2958 2959case ${enable_serial_configure} in 2960 yes) 2961 enable_serial_build_configure=yes 2962 enable_serial_host_configure=yes 2963 enable_serial_target_configure=yes 2964 ;; 2965esac 2966 2967# These force 'configure's to be done one at a time, to avoid problems 2968# with contention over a shared config.cache. 2969rm -f serdep.tmp 2970echo '# serdep.tmp' > serdep.tmp 2971olditem= 2972test "x${enable_serial_build_configure}" = xyes && 2973for item in ${build_configdirs} ; do 2974 case ${olditem} in 2975 "") ;; 2976 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;; 2977 esac 2978 olditem=${item} 2979done 2980olditem= 2981test "x${enable_serial_host_configure}" = xyes && 2982for item in ${configdirs} ; do 2983 case ${olditem} in 2984 "") ;; 2985 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;; 2986 esac 2987 olditem=${item} 2988done 2989olditem= 2990test "x${enable_serial_target_configure}" = xyes && 2991for item in ${target_configdirs} ; do 2992 case ${olditem} in 2993 "") ;; 2994 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;; 2995 esac 2996 olditem=${item} 2997done 2998serialization_dependencies=serdep.tmp 2999AC_SUBST_FILE(serialization_dependencies) 3000 3001# Base args. Strip norecursion, cache-file, srcdir, host, build, 3002# target, nonopt, and variable assignments. These are the ones we 3003# might not want to pass down to subconfigures. The exception being 3004# --cache-file=/dev/null, which is used to turn off the use of cache 3005# files altogether, and which should be passed on to subconfigures. 3006# Also strip program-prefix, program-suffix, and program-transform-name, 3007# so that we can pass down a consistent program-transform-name. 3008baseargs= 3009tbaseargs= 3010keep_next=no 3011skip_next=no 3012eval "set -- $ac_configure_args" 3013for ac_arg 3014do 3015 if test X"$skip_next" = X"yes"; then 3016 skip_next=no 3017 continue 3018 fi 3019 if test X"$keep_next" = X"yes"; then 3020 case $ac_arg in 3021 *\'*) 3022 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; 3023 esac 3024 baseargs="$baseargs '$ac_arg'" 3025 tbaseargs="$tbaseargs '$ac_arg'" 3026 keep_next=no 3027 continue 3028 fi 3029 3030 # Handle separated arguments. Based on the logic generated by 3031 # autoconf 2.59. 3032 case $ac_arg in 3033 *=* | --config-cache | -C | -disable-* | --disable-* \ 3034 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \ 3035 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \ 3036 | -with-* | --with-* | -without-* | --without-* | --x) 3037 separate_arg=no 3038 ;; 3039 -*) 3040 separate_arg=yes 3041 ;; 3042 *) 3043 separate_arg=no 3044 ;; 3045 esac 3046 3047 skip_targ=no 3048 case $ac_arg in 3049changequote(,) 3050 --with-* | --without-*) 3051 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'` 3052 3053 case $libopt in 3054 *[-_]include) 3055 lib=`echo "$libopt" | sed 's,[-_]include$,,'` 3056 ;; 3057 *[-_]lib) 3058 lib=`echo "$libopt" | sed 's,[-_]lib$,,'` 3059 ;; 3060 *) 3061 lib=$libopt 3062 ;; 3063 esac 3064changequote([,]) 3065 3066 case $lib in 3067 mpc | mpfr | gmp | isl) 3068 # If we're processing --with-$lib, --with-$lib-include or 3069 # --with-$lib-lib, for one of the libs above, and target is 3070 # different from host, don't pass the current argument to any 3071 # target library's configure. 3072 if test x$is_cross_compiler = xyes; then 3073 skip_targ=yes 3074 fi 3075 ;; 3076 esac 3077 ;; 3078 esac 3079 3080 case "$ac_arg" in 3081 --cache-file=/dev/null | \ 3082 -cache-file=/dev/null ) 3083 # Handled here to avoid the test to skip args below. 3084 baseargs="$baseargs '$ac_arg'" 3085 tbaseargs="$tbaseargs '$ac_arg'" 3086 # Assert: $separate_arg should always be no. 3087 keep_next=$separate_arg 3088 ;; 3089 --no*) 3090 continue 3091 ;; 3092 --c* | \ 3093 --sr* | \ 3094 --ho* | \ 3095 --bu* | \ 3096 --t* | \ 3097 --program-* | \ 3098 -cache_file* | \ 3099 -srcdir* | \ 3100 -host* | \ 3101 -build* | \ 3102 -target* | \ 3103 -program-prefix* | \ 3104 -program-suffix* | \ 3105 -program-transform-name* ) 3106 skip_next=$separate_arg 3107 continue 3108 ;; 3109 -*) 3110 # An option. Add it. 3111 case $ac_arg in 3112 *\'*) 3113 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; 3114 esac 3115 baseargs="$baseargs '$ac_arg'" 3116 if test X"$skip_targ" = Xno; then 3117 tbaseargs="$tbaseargs '$ac_arg'" 3118 fi 3119 keep_next=$separate_arg 3120 ;; 3121 *) 3122 # Either a variable assignment, or a nonopt (triplet). Don't 3123 # pass it down; let the Makefile handle this. 3124 continue 3125 ;; 3126 esac 3127done 3128# Remove the initial space we just introduced and, as these will be 3129# expanded by make, quote '$'. 3130baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'` 3131 3132# Add in --program-transform-name, after --program-prefix and 3133# --program-suffix have been applied to it. Autoconf has already 3134# doubled dollar signs and backslashes in program_transform_name; we want 3135# the backslashes un-doubled, and then the entire thing wrapped in single 3136# quotes, because this will be expanded first by make and then by the shell. 3137# Also, because we want to override the logic in subdir configure scripts to 3138# choose program_transform_name, replace any s,x,x, with s,y,y,. 3139sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out 3140${program_transform_name} 3141EOF_SED 3142gcc_transform_name=`cat conftestsed.out` 3143rm -f conftestsed.out 3144baseargs="$baseargs --program-transform-name='${gcc_transform_name}'" 3145tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'" 3146if test "$silent" = yes; then 3147 baseargs="$baseargs --silent" 3148 tbaseargs="$tbaseargs --silent" 3149fi 3150baseargs="$baseargs --disable-option-checking" 3151tbaseargs="$tbaseargs --disable-option-checking" 3152 3153# Record and document user additions to sub configure arguments. 3154AC_ARG_VAR([build_configargs], 3155 [additional configure arguments for build directories]) 3156AC_ARG_VAR([host_configargs], 3157 [additional configure arguments for host directories]) 3158AC_ARG_VAR([target_configargs], 3159 [additional configure arguments for target directories]) 3160 3161# For the build-side libraries, we just need to pretend we're native, 3162# and not use the same cache file. Multilibs are neither needed nor 3163# desired. We can't even use the same cache file for all build-side 3164# libraries, as they're compiled differently; some with C, some with 3165# C++ or with different feature-enabling options. 3166build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}" 3167 3168# For host modules, accept cache file option, or specification as blank. 3169case "${cache_file}" in 3170"") # empty 3171 cache_file_option="" ;; 3172/* | [[A-Za-z]]:[[\\/]]* ) # absolute path 3173 cache_file_option="--cache-file=${cache_file}" ;; 3174*) # relative path 3175 cache_file_option="--cache-file=../${cache_file}" ;; 3176esac 3177 3178# Host dirs don't like to share a cache file either, horribly enough. 3179# This seems to be due to autoconf 2.5x stupidity. 3180host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}" 3181 3182target_configargs="$target_configargs ${tbaseargs}" 3183 3184# Passing a --with-cross-host argument lets the target libraries know 3185# whether they are being built with a cross-compiler or being built 3186# native. However, it would be better to use other mechanisms to make the 3187# sorts of decisions they want to make on this basis. Please consider 3188# this option to be deprecated. FIXME. 3189if test x${is_cross_compiler} = xyes ; then 3190 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}" 3191fi 3192 3193# Special user-friendly check for native x86_64-linux build, if 3194# multilib is not explicitly enabled. 3195case "$target:$have_compiler:$host:$target:$enable_multilib" in 3196 x86_64-*linux*:yes:$build:$build:) 3197 # Make sure we have a development environment that handles 32-bit 3198 dev64=no 3199 echo "int main () { return 0; }" > conftest.c 3200 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c 3201 if test $? = 0 ; then 3202 if test -s conftest || test -s conftest.exe ; then 3203 dev64=yes 3204 fi 3205 fi 3206 rm -f conftest* 3207 if test x${dev64} != xyes ; then 3208 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.]) 3209 fi 3210 ;; 3211esac 3212 3213# Default to --enable-multilib. 3214if test x${enable_multilib} = x ; then 3215 target_configargs="--enable-multilib ${target_configargs}" 3216fi 3217 3218# Pass --with-newlib if appropriate. Note that target_configdirs has 3219# changed from the earlier setting of with_newlib. 3220if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then 3221 target_configargs="--with-newlib ${target_configargs}" 3222fi 3223 3224# Different target subdirs use different values of certain variables 3225# (notably CXX). Worse, multilibs use *lots* of different values. 3226# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that 3227# it doesn't automatically accept command-line overrides of them. 3228# This means it's not safe for target subdirs to share a cache file, 3229# which is disgusting, but there you have it. Hopefully this can be 3230# fixed in future. It's still worthwhile to use a cache file for each 3231# directory. I think. 3232 3233# Pass the appropriate --build, --host, --target and --cache-file arguments. 3234# We need to pass --target, as newer autoconf's requires consistency 3235# for target_alias and gcc doesn't manage it consistently. 3236target_configargs="--cache-file=./config.cache ${target_configargs}" 3237 3238FLAGS_FOR_TARGET= 3239case " $target_configdirs " in 3240 *" newlib "*) 3241 case " $target_configargs " in 3242 *" --with-newlib "*) 3243 case "$target" in 3244 *-cygwin*) 3245 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include' 3246 ;; 3247 esac 3248 3249 # If we're not building GCC, don't discard standard headers. 3250 if test -d ${srcdir}/gcc; then 3251 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc' 3252 3253 if test "${build}" != "${host}"; then 3254 # On Canadian crosses, CC_FOR_TARGET will have already been set 3255 # by `configure', so we won't have an opportunity to add -Bgcc/ 3256 # to it. This is right: we don't want to search that directory 3257 # for binaries, but we want the header files in there, so add 3258 # them explicitly. 3259 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed' 3260 3261 # Someone might think of using the pre-installed headers on 3262 # Canadian crosses, in case the installed compiler is not fully 3263 # compatible with the compiler being built. In this case, it 3264 # would be better to flag an error than risking having 3265 # incompatible object files being constructed. We can't 3266 # guarantee that an error will be flagged, but let's hope the 3267 # compiler will do it, when presented with incompatible header 3268 # files. 3269 fi 3270 fi 3271 3272 case "${target}-${is_cross_compiler}" in 3273 i[[3456789]]86-*-linux*-no) 3274 # Here host == target, so we don't need to build gcc, 3275 # so we don't want to discard standard headers. 3276 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'` 3277 ;; 3278 *) 3279 # If we're building newlib, use its generic headers last, but search 3280 # for any libc-related directories first (so make it the last -B 3281 # switch). 3282 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include' 3283 3284 # If we're building libgloss, find the startup file, simulator library 3285 # and linker script. 3286 case " $target_configdirs " in 3287 *" libgloss "*) 3288 # Look for startup file, simulator library and maybe linker script. 3289 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir" 3290 # Look for libnosys.a in case the target needs it. 3291 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys' 3292 # Most targets have the linker script in the source directory. 3293 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir" 3294 ;; 3295 esac 3296 ;; 3297 esac 3298 ;; 3299 esac 3300 ;; 3301esac 3302 3303case "$target" in 3304 x86_64-*mingw* | *-w64-mingw*) 3305 # MinGW-w64 does not use newlib, nor does it use winsup. It may, 3306 # however, use a symlink named 'mingw' in ${prefix} . 3307 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include' 3308 ;; 3309 *-mingw*) 3310 # MinGW can't be handled as Cygwin above since it does not use newlib. 3311 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include' 3312 ;; 3313esac 3314 3315# Allow the user to override the flags for 3316# our build compiler if desired. 3317if test x"${build}" = x"${host}" ; then 3318 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}} 3319 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}} 3320 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}} 3321fi 3322 3323# On Canadian crosses, we'll be searching the right directories for 3324# the previously-installed cross compiler, so don't bother to add 3325# flags for directories within the install tree of the compiler 3326# being built; programs in there won't even run. 3327if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then 3328 # Search for pre-installed headers if nothing else fits. 3329 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include' 3330fi 3331 3332if test "x${use_gnu_ld}" = x && 3333 echo " ${configdirs} " | grep " ld " > /dev/null ; then 3334 # Arrange for us to find uninstalled linker scripts. 3335 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld' 3336fi 3337 3338# Search for other target-specific linker scripts and such. 3339case "${target}" in 3340 mep*) 3341 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary" 3342 ;; 3343esac 3344 3345# Makefile fragments. 3346for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag; 3347do 3348 eval fragval=\$$frag 3349 if test $fragval != /dev/null; then 3350 eval $frag=${srcdir}/$fragval 3351 fi 3352done 3353AC_SUBST_FILE(host_makefile_frag) 3354AC_SUBST_FILE(target_makefile_frag) 3355AC_SUBST_FILE(alphaieee_frag) 3356AC_SUBST_FILE(ospace_frag) 3357 3358# Miscellanea: directories, flags, etc. 3359AC_SUBST(RPATH_ENVVAR) 3360AC_SUBST(GCC_SHLIB_SUBDIR) 3361AC_SUBST(tooldir) 3362AC_SUBST(build_tooldir) 3363AC_SUBST(CONFIGURE_GDB_TK) 3364AC_SUBST(GDB_TK) 3365AC_SUBST(INSTALL_GDB_TK) 3366 3367# Build module lists & subconfigure args. 3368AC_SUBST(build_configargs) 3369AC_SUBST(build_configdirs) 3370 3371# Host module lists & subconfigure args. 3372AC_SUBST(host_configargs) 3373AC_SUBST(configdirs) 3374AC_SUBST(target_configdirs) 3375 3376# Target module lists & subconfigure args. 3377AC_SUBST(target_configargs) 3378 3379 3380# Build tools. 3381AC_SUBST(AR_FOR_BUILD) 3382AC_SUBST(AS_FOR_BUILD) 3383AC_SUBST(CC_FOR_BUILD) 3384AC_SUBST(CFLAGS_FOR_BUILD) 3385AC_SUBST(CXXFLAGS_FOR_BUILD) 3386AC_SUBST(CXX_FOR_BUILD) 3387AC_SUBST(DLLTOOL_FOR_BUILD) 3388AC_SUBST(DSYMUTIL_FOR_BUILD) 3389AC_SUBST(GFORTRAN_FOR_BUILD) 3390AC_SUBST(GOC_FOR_BUILD) 3391AC_SUBST(GDC_FOR_BUILD) 3392AC_SUBST(LDFLAGS_FOR_BUILD) 3393AC_SUBST(LD_FOR_BUILD) 3394AC_SUBST(NM_FOR_BUILD) 3395AC_SUBST(RANLIB_FOR_BUILD) 3396AC_SUBST(WINDMC_FOR_BUILD) 3397AC_SUBST(WINDRES_FOR_BUILD) 3398 3399# Generate default definitions for YACC, M4, LEX and other programs that run 3400# on the build machine. These are used if the Makefile can't locate these 3401# programs in objdir. 3402MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing 3403 3404AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y]) 3405case " $build_configdirs " in 3406 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;; 3407esac 3408 3409AC_CHECK_PROGS([BISON], [bison], [$MISSING bison]) 3410case " $build_configdirs " in 3411 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;; 3412esac 3413 3414AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4]) 3415case " $build_configdirs " in 3416 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;; 3417esac 3418 3419AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex]) 3420case " $build_configdirs " in 3421 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;; 3422 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;; 3423esac 3424 3425AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex]) 3426case " $build_configdirs " in 3427 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;; 3428esac 3429 3430AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo]) 3431case " $build_configdirs " in 3432 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;; 3433 *) 3434changequote(,) 3435 # For an installed makeinfo, we require it to be from texinfo 4.7 or 3436 # higher, else we use the "missing" dummy. 3437 if ${MAKEINFO} --version \ 3438 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then 3439 : 3440 else 3441 MAKEINFO="$MISSING makeinfo" 3442 fi 3443 ;; 3444changequote([,]) 3445esac 3446 3447# FIXME: expect and dejagnu may become build tools? 3448 3449AC_CHECK_PROGS(EXPECT, expect, expect) 3450case " $configdirs " in 3451 *" expect "*) 3452 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect' 3453 ;; 3454esac 3455 3456AC_CHECK_PROGS(RUNTEST, runtest, runtest) 3457case " $configdirs " in 3458 *" dejagnu "*) 3459 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest' 3460 ;; 3461esac 3462 3463 3464# Host tools. 3465NCN_STRICT_CHECK_TOOLS(AR, ar) 3466NCN_STRICT_CHECK_TOOLS(AS, as) 3467NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool) 3468NCN_STRICT_CHECK_TOOLS(DSYMUTIL, dsymutil) 3469NCN_STRICT_CHECK_TOOLS(LD, ld) 3470NCN_STRICT_CHECK_TOOLS(LIPO, lipo) 3471NCN_STRICT_CHECK_TOOLS(NM, nm) 3472NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true) 3473NCN_STRICT_CHECK_TOOLS(STRIP, strip, true) 3474NCN_STRICT_CHECK_TOOLS(WINDRES, windres) 3475NCN_STRICT_CHECK_TOOLS(WINDMC, windmc) 3476NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy) 3477NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump) 3478NCN_STRICT_CHECK_TOOLS(OTOOL, otool) 3479NCN_STRICT_CHECK_TOOLS(READELF, readelf) 3480AC_SUBST(CC) 3481AC_SUBST(CXX) 3482AC_SUBST(CFLAGS) 3483AC_SUBST(CXXFLAGS) 3484 3485# Target tools. 3486AC_ARG_WITH([build-time-tools], 3487 [AS_HELP_STRING([--with-build-time-tools=PATH], 3488 [use given path to find target tools during the build])], 3489 [case x"$withval" in 3490 x/*) ;; 3491 *) 3492 with_build_time_tools= 3493 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path]) 3494 ;; 3495 esac], 3496 [with_build_time_tools=]) 3497 3498NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc) 3499NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx) 3500NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET}) 3501NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran) 3502NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo) 3503NCN_STRICT_CHECK_TARGET_TOOLS(GDC_FOR_TARGET, gdc) 3504 3505ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar) 3506ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as) 3507ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool) 3508ACX_CHECK_INSTALLED_TARGET_TOOL(DSYMUTIL_FOR_TARGET, dsymutil) 3509ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld) 3510ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo) 3511ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm) 3512ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy) 3513ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump) 3514ACX_CHECK_INSTALLED_TARGET_TOOL(OTOOL_FOR_TARGET, otool) 3515ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib) 3516ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf) 3517ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip) 3518ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres) 3519ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc) 3520 3521RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET" 3522 3523GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar]) 3524GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new]) 3525GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) 3526dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS 3527GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX, 3528 [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], 3529 c++) 3530GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX, 3531 [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], 3532 c++) 3533GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool]) 3534GCC_TARGET_TOOL(dsymutil, DSYMUTIL_FOR_TARGET, DSYMUTIL) 3535GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) 3536GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN, 3537 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran) 3538GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC, 3539 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go) 3540GCC_TARGET_TOOL(gdc, GDC_FOR_TARGET, GDC, 3541 [gcc/gdc -B$$r/$(HOST_SUBDIR)/gcc/], d) 3542GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new]) 3543GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO) 3544GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new]) 3545GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy]) 3546GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump]) 3547GCC_TARGET_TOOL(otool, OTOOL_FOR_TARGET, OTOOL) 3548GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib]) 3549GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf]) 3550GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new]) 3551GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres]) 3552GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc]) 3553 3554AC_SUBST(FLAGS_FOR_TARGET) 3555AC_SUBST(RAW_CXX_FOR_TARGET) 3556 3557# Certain tools may need extra flags. 3558AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target} 3559RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target} 3560NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target} 3561 3562# When building target libraries, except in a Canadian cross, we use 3563# the same toolchain as the compiler we just built. 3564COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)' 3565COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)' 3566COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)' 3567if test $host = $build; then 3568 case " $configdirs " in 3569 *" gcc "*) 3570 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as' 3571 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld' 3572 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target} 3573 ;; 3574 esac 3575fi 3576 3577AC_SUBST(COMPILER_AS_FOR_TARGET) 3578AC_SUBST(COMPILER_LD_FOR_TARGET) 3579AC_SUBST(COMPILER_NM_FOR_TARGET) 3580 3581AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) 3582AC_ARG_ENABLE(maintainer-mode, 3583[AS_HELP_STRING([--enable-maintainer-mode], 3584 [enable make rules and dependencies not useful 3585 (and sometimes confusing) to the casual installer])], 3586 USE_MAINTAINER_MODE=$enableval, 3587 USE_MAINTAINER_MODE=no) 3588AC_MSG_RESULT($USE_MAINTAINER_MODE) 3589AC_SUBST(MAINTAINER_MODE_TRUE) 3590AC_SUBST(MAINTAINER_MODE_FALSE) 3591if test "$USE_MAINTAINER_MODE" = yes; then 3592 MAINTAINER_MODE_TRUE= 3593 MAINTAINER_MODE_FALSE='#' 3594else 3595 MAINTAINER_MODE_TRUE='#' 3596 MAINTAINER_MODE_FALSE= 3597fi 3598MAINT=$MAINTAINER_MODE_TRUE 3599AC_SUBST(MAINT)dnl 3600 3601# --------------------- 3602# GCC bootstrap support 3603# --------------------- 3604 3605# Stage specific cflags for build. 3606stage1_cflags="-g" 3607case $build in 3608 vax-*-*) 3609 case ${GCC} in 3610 yes) stage1_cflags="-g -Wa,-J" ;; 3611 *) stage1_cflags="-g -J" ;; 3612 esac ;; 3613esac 3614 3615AC_SUBST(stage1_cflags) 3616 3617# Enable --enable-checking in stage1 of the compiler. 3618AC_ARG_ENABLE(stage1-checking, 3619[AS_HELP_STRING([[--enable-stage1-checking[=all]]], 3620 [choose additional checking for stage1 of the compiler])], 3621[stage1_checking=--enable-checking=${enable_stage1_checking}], 3622[if test "x$enable_checking" = xno || test "x$enable_checking" = x; then 3623 # For --disable-checking or implicit --enable-checking=release, avoid 3624 # setting --enable-checking=gc in the default stage1 checking for LTO 3625 # bootstraps. See PR62077. 3626 case $BUILD_CONFIG in 3627 *lto*) 3628 stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types;; 3629 *) 3630 stage1_checking=--enable-checking=yes,types;; 3631 esac 3632 if test "x$enable_checking" = x && \ 3633 test -d ${srcdir}/gcc && \ 3634 test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then 3635 stage1_checking=--enable-checking=yes,types,extra 3636 fi 3637else 3638 stage1_checking=--enable-checking=$enable_checking,types 3639fi]) 3640AC_SUBST(stage1_checking) 3641 3642# Enable -Werror in bootstrap stage2 and later. 3643AC_ARG_ENABLE(werror, 3644[AS_HELP_STRING([--enable-werror], 3645 [enable -Werror in bootstrap stage2 and later])], 3646[ 3647case ${enable_werror} in 3648 yes) stage2_werror_flag="--enable-werror-always" ;; 3649 *) stage2_werror_flag="" ;; 3650esac 3651], 3652[ 3653if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then 3654 case $BUILD_CONFIG in 3655 bootstrap-debug) 3656 stage2_werror_flag="--enable-werror-always" ;; 3657 "") 3658 stage2_werror_flag="--enable-werror-always" ;; 3659 esac 3660fi 3661]) 3662 3663AC_SUBST(stage2_werror_flag) 3664 3665# Specify what files to not compare during bootstrap. 3666 3667compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*" 3668case "$target" in 3669 hppa*64*-*-hpux*) ;; 3670 hppa*-*-hpux*) compare_exclusions="$compare_exclusions | */libgcc/lib2funcs* | gcc/function-tests.o" ;; 3671 powerpc*-ibm-aix*) compare_exclusions="$compare_exclusions | *libgomp*\$(objext)" ;; 3672esac 3673AC_SUBST(compare_exclusions) 3674 3675AC_CONFIG_FILES([Makefile], 3676 [sed "$extrasub_build" Makefile | 3677 sed "$extrasub_host" | 3678 sed "$extrasub_target" > mf$$ 3679 mv -f mf$$ Makefile], 3680 [extrasub_build="$extrasub_build" 3681 extrasub_host="$extrasub_host" 3682 extrasub_target="$extrasub_target"]) 3683AC_OUTPUT 3684