1# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2# 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 3# 2014, 2015, 2016, 2019, 2022 Free Software Foundation, Inc. 4# 5# This file is free software; you can redistribute it and/or modify it 6# under the terms of the GNU General Public License as published by 7# the Free Software Foundation; either version 3 of the License, or 8# (at your option) any later version. 9# 10# This program is distributed in the hope that it will be useful, but 11# WITHOUT ANY WARRANTY; without even the implied warranty of 12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13# General Public License for more details. 14# 15# You should have received a copy of the GNU General Public License 16# along with this program; see the file COPYING3. If not see 17# <http://www.gnu.org/licenses/>. 18 19############################################################################## 20### WARNING: this file contains embedded tabs. Do not run untabify on this file. 21 22m4_include(config/acx.m4) 23m4_include(config/override.m4) 24m4_include(config/proginstall.m4) 25m4_include(config/elf.m4) 26m4_include(config/gcc-plugin.m4) 27m4_include(config/ax_cxx_compile_stdcxx.m4) 28m4_include([libtool.m4]) 29m4_include([ltoptions.m4]) 30m4_include([ltsugar.m4]) 31m4_include([ltversion.m4]) 32m4_include([lt~obsolete.m4]) 33m4_include([config/isl.m4]) 34 35AC_INIT(move-if-change) 36AC_DISABLE_OPTION_CHECKING 37 38progname=$0 39# if PWD already has a value, it is probably wrong. 40if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi 41 42# Export original configure arguments for use by sub-configures. 43# Quote arguments with shell meta charatcers. 44TOPLEVEL_CONFIGURE_ARGUMENTS= 45set -- "$progname" "$@" 46for ac_arg 47do 48 case "$ac_arg" in 49 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*) 50 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` 51 # if the argument is of the form -foo=baz, quote the baz part only 52 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;; 53 *) ;; 54 esac 55 # Add the quoted argument to the list. 56 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg" 57done 58if test "$silent" = yes; then 59 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent" 60fi 61# Remove the initial space we just introduced and, as these will be 62# expanded by make, quote '$'. 63TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'` 64AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS) 65 66# Find the build, host, and target systems. 67ACX_NONCANONICAL_BUILD 68ACX_NONCANONICAL_HOST 69ACX_NONCANONICAL_TARGET 70 71dnl Autoconf 2.5x and later will set a default program prefix if 72dnl --target was used, even if it was the same as --host. Disable 73dnl that behavior. This must be done before AC_CANONICAL_SYSTEM 74dnl to take effect. 75test "$host_noncanonical" = "$target_noncanonical" && 76 test "$program_prefix$program_suffix$program_transform_name" = \ 77 NONENONEs,x,x, && 78 program_transform_name=s,y,y, 79 80AC_CANONICAL_SYSTEM 81AC_ARG_PROGRAM 82 83m4_pattern_allow([^AS_FOR_TARGET$])dnl 84m4_pattern_allow([^AS_FOR_BUILD$])dnl 85 86# Get 'install' or 'install-sh' and its variants. 87AC_PROG_INSTALL 88ACX_PROG_LN 89AC_PROG_LN_S 90AC_PROG_SED 91AC_PROG_AWK 92 93srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}` 94 95# We pass INSTALL explicitly to sub-makes. Make sure that it is not 96# a relative path. 97if test "$INSTALL" = "${srcdir}/install-sh -c"; then 98 INSTALL="${srcpwd}/install-sh -c" 99fi 100 101# Set srcdir to "." if that's what it is. 102# This is important for multilib support. 103pwd=`${PWDCMD-pwd}` 104if test "${pwd}" = "${srcpwd}" ; then 105 srcdir=. 106fi 107 108topsrcdir=$srcpwd 109 110extra_host_args= 111 112### To add a new directory to the tree, first choose whether it is a target 113### or a host dependent tool. Then put it into the appropriate list 114### (library or tools, host or target), doing a dependency sort. 115 116# Subdirs will be configured in the order listed in build_configdirs, 117# configdirs, or target_configdirs; see the serialization section below. 118 119# Dependency sorting is only needed when *configuration* must be done in 120# a particular order. In all cases a dependency should be specified in 121# the Makefile, whether or not it's implicitly specified here. 122 123# Double entries in build_configdirs, configdirs, or target_configdirs may 124# cause circular dependencies and break everything horribly. 125 126# these library is used by various programs built for the build 127# environment 128# 129build_libs="build-libiberty build-libcpp" 130 131# these tools are built for the build environment 132build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes" 133 134# these libraries are used by various programs built for the host environment 135#f 136host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libcody libdecnumber gmp mpfr mpc isl libiconv libctf libsframe" 137 138# these tools are built for the host environment 139# Note, the powerpc-eabi build depends on sim occurring before gdb in order to 140# know that we are building the simulator. 141# binutils, gas and ld appear in that order because it makes sense to run 142# "make check" in that particular order. 143# If --enable-gold is used, "gold" may replace "ld". 144host_tools="flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gdbserver gprof etc expect dejagnu m4 utils guile fastjar gnattools libcc1 gotools c++tools" 145 146# these libraries are built for the target environment, and are built after 147# the host libraries and the host tools (which may be a cross compiler) 148# Note that libiberty is not a target library. 149target_libraries="target-libgcc \ 150 target-libbacktrace \ 151 target-libgloss \ 152 target-newlib \ 153 target-libgomp \ 154 target-liboffloadmic \ 155 target-libatomic \ 156 target-libitm \ 157 target-libstdc++-v3 \ 158 target-libsanitizer \ 159 target-libvtv \ 160 target-libssp \ 161 target-libquadmath \ 162 target-libgfortran \ 163 target-libffi \ 164 target-libobjc \ 165 target-libada \ 166 target-libgo \ 167 target-libphobos \ 168 target-zlib" 169 170# these tools are built using the target libraries, and are intended to 171# run only in the target environment 172# 173# note: any program that *uses* libraries that are in the "target_libraries" 174# list belongs in this list. 175# 176target_tools="target-rda" 177 178################################################################################ 179 180## All tools belong in one of the four categories, and are assigned above 181## We assign ${configdirs} this way to remove all embedded newlines. This 182## is important because configure will choke if they ever get through. 183## ${configdirs} is directories we build using the host tools. 184## ${target_configdirs} is directories we build using the target tools. 185configdirs=`echo ${host_libs} ${host_tools}` 186target_configdirs=`echo ${target_libraries} ${target_tools}` 187build_configdirs=`echo ${build_libs} ${build_tools}` 188 189m4_divert_text([PARSE_ARGS], 190[case $srcdir in 191 *" "*) 192m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl 193 AC_MSG_ERROR([path to source, $srcdir, contains spaces]) 194m4_popdef([AS_MESSAGE_LOG_FD])dnl 195 ;; 196esac 197ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'` 198]) 199 200################################################################################ 201 202srcname="gnu development package" 203 204# This gets set non-empty for some net releases of packages. 205appdirs="" 206 207# Define is_cross_compiler to save on calls to 'test'. 208is_cross_compiler= 209if test x"${host}" = x"${target}" ; then 210 is_cross_compiler=no 211else 212 is_cross_compiler=yes 213fi 214 215# Find the build and target subdir names. 216GCC_TOPLEV_SUBDIRS 217# Be sure to cover against remnants of an in-tree build. 218if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then 219 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}. 220Use a pristine source tree when building in a separate tree]) 221fi 222 223# Skipdirs are removed silently. 224skipdirs= 225# Noconfigdirs are removed loudly. 226noconfigdirs="" 227 228use_gnu_ld= 229# Make sure we don't let GNU ld be added if we didn't want it. 230if test x$with_gnu_ld = xno ; then 231 use_gnu_ld=no 232 noconfigdirs="$noconfigdirs ld gold" 233fi 234 235use_gnu_as= 236# Make sure we don't let GNU as be added if we didn't want it. 237if test x$with_gnu_as = xno ; then 238 use_gnu_as=no 239 noconfigdirs="$noconfigdirs gas" 240fi 241 242use_included_zlib= 243AC_ARG_WITH(system-zlib, 244[AS_HELP_STRING([--with-system-zlib], [use installed libz])]) 245# Make sure we don't let ZLIB be added if we didn't want it. 246if test x$with_system_zlib = xyes ; then 247 use_included_zlib=no 248 noconfigdirs="$noconfigdirs zlib" 249fi 250 251# Don't compile the bundled readline/libreadline.a if --with-system-readline 252# is provided. 253if test x$with_system_readline = xyes ; then 254 noconfigdirs="$noconfigdirs readline" 255fi 256 257AC_ARG_WITH(zstd, 258[AS_HELP_STRING([--with-zstd], [Support zstd compressed debug sections (default=auto)])]) 259 260# some tools are so dependent upon X11 that if we're not building with X, 261# it's not even worth trying to configure, much less build, that tool. 262 263case ${with_x} in 264 yes | "") ;; # the default value for this tree is that X11 is available 265 no) 266 skipdirs="${skipdirs} tk itcl libgui" 267 # We won't be able to build gdbtk without X. 268 enable_gdbtk=no 269 ;; 270 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;; 271esac 272 273# Some are only suitable for cross toolchains. 274# Remove these if host=target. 275cross_only="target-libgloss target-newlib target-opcodes" 276 277case $is_cross_compiler in 278 no) skipdirs="${skipdirs} ${cross_only}" ;; 279esac 280 281# If both --with-headers and --with-libs are specified, default to 282# --without-newlib. 283if test x"${with_headers}" != x && test x"${with_headers}" != xno \ 284 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then 285 if test x"${with_newlib}" = x ; then 286 with_newlib=no 287 fi 288fi 289 290# Recognize --with-newlib/--without-newlib. 291case ${with_newlib} in 292 no) skipdirs="${skipdirs} target-newlib" ;; 293 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;; 294esac 295 296AC_ARG_ENABLE(as-accelerator-for, 297[AS_HELP_STRING([--enable-as-accelerator-for=ARG], 298 [build as offload target compiler. 299 Specify offload host triple by ARG])]) 300 301AC_ARG_ENABLE(offload-targets, 302[AS_HELP_STRING([--enable-offload-targets=LIST], 303 [enable offloading to devices from comma-separated LIST of 304 TARGET[=DIR]. Use optional path to find offload target compiler 305 during the build])], 306[ 307 if test x"$enable_offload_targets" = x; then 308 AC_MSG_ERROR([no offload targets specified]) 309 fi 310], [enable_offload_targets=]) 311 312AC_ARG_ENABLE(offload-defaulted, 313[AS_HELP_STRING([--enable-offload-defaulted] 314 [If enabled, configured but not installed offload compilers and 315 libgomp plugins are silently ignored. Useful for distribution 316 compilers where those are in separate optional packages.])], 317[enable_offload_defaulted=$enableval], 318[enable_offload_defaulted=]) 319 320# Handle --enable-gold, --enable-ld. 321# --disable-gold [--enable-ld] 322# Build only ld. Default option. 323# --enable-gold [--enable-ld] 324# Build both gold and ld. Install gold as "ld.gold", install ld 325# as "ld.bfd" and "ld". 326# --enable-gold=default [--enable-ld] 327# Build both gold and ld. Install gold as "ld.gold" and "ld", 328# install ld as "ld.bfd". 329# --enable-gold[=default] --disable-ld 330# Build only gold, which is then installed as both "ld.gold" and "ld". 331# --enable-gold --enable-ld=default 332# Build both gold (installed as "ld.gold") and ld (installed as "ld" 333# and ld.bfd). 334# In other words, ld is default 335# --enable-gold=default --enable-ld=default 336# Error. 337 338default_ld= 339AC_ARG_ENABLE(gold, 340[AS_HELP_STRING([[--enable-gold[=ARG]]], 341 [build gold @<:@ARG={default,yes,no}@:>@])], 342ENABLE_GOLD=$enableval, 343ENABLE_GOLD=no) 344case "${ENABLE_GOLD}" in 345 yes|default) 346 # Check for ELF target. 347 is_elf=no 348 case "${target}" in 349 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \ 350 | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \ 351 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \ 352 | *-*-solaris2* | *-*-nto* | *-*-nacl*) 353 case "${target}" in 354 *-*-linux*aout* | *-*-linux*oldld*) 355 ;; 356 *) 357 is_elf=yes 358 ;; 359 esac 360 esac 361 362 if test "$is_elf" = "yes"; then 363 # Check for target supported by gold. 364 case "${target}" in 365 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \ 366 | aarch64*-*-* | tilegx*-*-* | mips*-*-* | s390*-*-* | loongarch*-*-*) 367 configdirs="$configdirs gold" 368 if test x${ENABLE_GOLD} = xdefault; then 369 default_ld=gold 370 fi 371 ENABLE_GOLD=yes 372 ;; 373 esac 374 fi 375 ;; 376 no) 377 ;; 378 *) 379 AC_MSG_ERROR([invalid --enable-gold argument]) 380 ;; 381esac 382 383AC_ARG_ENABLE(ld, 384[AS_HELP_STRING([[--enable-ld[=ARG]]], 385 [build ld @<:@ARG={default,yes,no}@:>@])], 386ENABLE_LD=$enableval, 387ENABLE_LD=yes) 388 389case "${ENABLE_LD}" in 390 default) 391 if test x${default_ld} != x; then 392 AC_MSG_ERROR([either gold or ld can be the default ld]) 393 fi 394 ;; 395 yes) 396 ;; 397 no) 398 if test x${ENABLE_GOLD} != xyes; then 399 AC_MSG_WARN([neither ld nor gold are enabled]) 400 fi 401 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / /'` 402 ;; 403 *) 404 AC_MSG_ERROR([invalid --enable-ld argument]) 405 ;; 406esac 407 408AC_ARG_ENABLE(gprofng, 409[AS_HELP_STRING([[--enable-gprofng[=ARG]]], 410 [build gprofng @<:@ARG={yes,no}@:>@])], 411enable_gprofng=$enableval, 412enable_gprofng=yes) 413if test "$enable_gprofng" = "yes"; then 414 case "${target}" in 415 x86_64-*-linux* | i?86-*-linux* | aarch64-*-linux*) 416 configdirs="$configdirs gprofng" 417 ;; 418 esac 419fi 420 421 422# PR gas/19109 423# Decide the default method for compressing debug sections. 424# Provide a configure time option to override our default. 425AC_ARG_ENABLE(compressed_debug_sections, 426[AS_HELP_STRING([--enable-compressed-debug-sections={all,gas,gold,ld,none}], 427 [Enable compressed debug sections for gas, gold or ld by 428 default])], 429[ 430 if test x"$enable_compressed_debug_sections" = xyes; then 431 AC_MSG_ERROR([no program with compressed debug sections specified]) 432 fi 433], [enable_compressed_debug_sections=]) 434 435# Select default compression algorithm. 436AC_ARG_ENABLE(default_compressed_debug_sections_algorithm, 437[AS_HELP_STRING([--enable-default-compressed-debug-sections-algorithm={zlib,zstd}], 438 [Default compression algorithm for --enable-compressed-debug-sections.])], 439[], [default_compressed_debug_sections_algorithm=]) 440 441# Configure extra directories which are host specific 442 443case "${host}" in 444 *-cygwin*) 445 configdirs="$configdirs libtermcap" ;; 446esac 447 448# A target can indicate whether a language isn't supported for some reason. 449# Only spaces may be used in this macro; not newlines or tabs. 450unsupported_languages= 451 452# Remove more programs from consideration, based on the host or 453# target this usually means that a port of the program doesn't 454# exist yet. 455 456case "${host}" in 457 i[[3456789]]86-*-msdosdjgpp*) 458 noconfigdirs="$noconfigdirs tcl tk itcl" 459 ;; 460esac 461 462# Default to --disable-year2038 until we can handle differences between 463# projects that use gnulib (which understands year 2038) and projects that 464# do not (like BFD). 465AC_ARG_ENABLE(year2038, 466AS_HELP_STRING([--enable-year2038], 467 [enable support for timestamps past the year 2038]), 468ENABLE_YEAR2038=$enableval, 469ENABLE_YEAR2038=no) 470enable_year2038= 471if test "${ENABLE_YEAR2038}" = "no" ; then 472 enable_year2038=no 473fi 474 475AC_ARG_ENABLE(libquadmath, 476AS_HELP_STRING([--disable-libquadmath], 477 [do not build libquadmath directory]), 478ENABLE_LIBQUADMATH=$enableval, 479ENABLE_LIBQUADMATH=yes) 480if test "${ENABLE_LIBQUADMATH}" = "no" ; then 481 noconfigdirs="$noconfigdirs target-libquadmath" 482fi 483 484 485AC_ARG_ENABLE(libquadmath-support, 486AS_HELP_STRING([--disable-libquadmath-support], 487 [disable libquadmath support for Fortran]), 488ENABLE_LIBQUADMATH_SUPPORT=$enableval, 489ENABLE_LIBQUADMATH_SUPPORT=yes) 490enable_libquadmath_support= 491if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then 492 enable_libquadmath_support=no 493fi 494 495 496AC_ARG_ENABLE(libada, 497[AS_HELP_STRING([--enable-libada], [build libada directory])], 498ENABLE_LIBADA=$enableval, 499ENABLE_LIBADA=yes) 500if test "${ENABLE_LIBADA}" != "yes" ; then 501 noconfigdirs="$noconfigdirs gnattools" 502fi 503 504AC_ARG_ENABLE(libssp, 505[AS_HELP_STRING([--enable-libssp], [build libssp directory])], 506ENABLE_LIBSSP=$enableval, 507ENABLE_LIBSSP=yes) 508 509AC_ARG_ENABLE(libstdcxx, 510AS_HELP_STRING([--disable-libstdcxx], 511 [do not build libstdc++-v3 directory]), 512ENABLE_LIBSTDCXX=$enableval, 513ENABLE_LIBSTDCXX=default) 514[if test "${ENABLE_LIBSTDCXX}" = "no" ; then 515 noconfigdirs="$noconfigdirs target-libstdc++-v3" 516fi] 517 518# If this is accelerator compiler and its target is intelmic we enable 519# target liboffloadmic by default. If this is compiler with offloading 520# for intelmic we enable host liboffloadmic by default. Otherwise 521# liboffloadmic is disabled by default. 522AC_ARG_ENABLE([liboffloadmic], 523AC_HELP_STRING([[--enable-liboffloadmic[=ARG]]], 524 [build liboffloadmic @<:@ARG={no,host,target}@:>@]), 525[case "$enableval" in 526 no | host | target) 527 enable_liboffloadmic=$enableval ;; 528 *) 529 AC_MSG_ERROR([--enable-liboffloadmic=no/host/target]) ;; 530esac], 531[if test x"$enable_as_accelerator_for" != x; then 532 case "${target}" in 533 *-intelmic-* | *-intelmicemul-*) 534 enable_liboffloadmic=target 535 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=target" 536 ;; 537 *) 538 enable_liboffloadmic=no 539 ;; 540 esac 541else 542 case "${enable_offload_targets}" in 543 *-intelmic-* | *-intelmicemul-*) 544 enable_liboffloadmic=host 545 extra_liboffloadmic_configure_flags="--enable-liboffloadmic=host" 546 ;; 547 *) 548 enable_liboffloadmic=no 549 ;; 550 esac 551fi]) 552AC_SUBST(extra_liboffloadmic_configure_flags) 553 554# Enable libgomp by default on hosted POSIX systems, and a few others. 555if test x$enable_libgomp = x ; then 556 case "${target}" in 557 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 558 ;; 559 *-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*) 560 ;; 561 *-*-solaris2* | *-*-hpux11*) 562 ;; 563 *-*-darwin* | *-*-aix*) 564 ;; 565 nvptx*-*-* | amdgcn*-*-*) 566 ;; 567 *) 568 noconfigdirs="$noconfigdirs target-libgomp" 569 ;; 570 esac 571fi 572 573# Disable libatomic on unsupported systems. 574if test -d ${srcdir}/libatomic; then 575 if test x$enable_libatomic = x; then 576 AC_MSG_CHECKING([for libatomic support]) 577 if (srcdir=${srcdir}/libatomic; \ 578 . ${srcdir}/configure.tgt; \ 579 test -n "$UNSUPPORTED") 580 then 581 AC_MSG_RESULT([no]) 582 noconfigdirs="$noconfigdirs target-libatomic" 583 else 584 AC_MSG_RESULT([yes]) 585 fi 586 fi 587fi 588 589# Disable liboffloadmic on unsupported systems. 590if test -d ${srcdir}/liboffloadmic; then 591 if test x$enable_liboffloadmic != xno; then 592 AC_MSG_CHECKING([for liboffloadmic support]) 593 if (srcdir=${srcdir}/liboffloadmic; \ 594 . ${srcdir}/configure.tgt; \ 595 test -n "$UNSUPPORTED") 596 then 597 AC_MSG_RESULT([no]) 598 noconfigdirs="$noconfigdirs target-liboffloadmic" 599 else 600 AC_MSG_RESULT([yes]) 601 fi 602 fi 603fi 604 605# Disable libitm on unsupported systems. 606if test -d ${srcdir}/libitm; then 607 if test x$enable_libitm = x; then 608 AC_MSG_CHECKING([for libitm support]) 609 if (srcdir=${srcdir}/libitm; \ 610 . ${srcdir}/configure.tgt; \ 611 test -n "$UNSUPPORTED") 612 then 613 AC_MSG_RESULT([no]) 614 noconfigdirs="$noconfigdirs target-libitm" 615 else 616 AC_MSG_RESULT([yes]) 617 fi 618 fi 619fi 620 621# Disable libsanitizer on unsupported systems. 622if test -d ${srcdir}/libsanitizer; then 623 if test x$enable_libsanitizer = x; then 624 AC_MSG_CHECKING([for libsanitizer support]) 625 if (srcdir=${srcdir}/libsanitizer; \ 626 . ${srcdir}/configure.tgt; \ 627 test -n "$UNSUPPORTED") 628 then 629 AC_MSG_RESULT([no]) 630 noconfigdirs="$noconfigdirs target-libsanitizer" 631 else 632 AC_MSG_RESULT([yes]) 633 fi 634 fi 635fi 636 637# Disable libvtv on unsupported systems. 638if test -d ${srcdir}/libvtv; then 639 if test x$enable_libvtv = x; then 640 AC_MSG_CHECKING([for libvtv support]) 641 if (srcdir=${srcdir}/libvtv; \ 642 . ${srcdir}/configure.tgt; \ 643 test "$VTV_SUPPORTED" != "yes") 644 then 645 AC_MSG_RESULT([no]) 646 noconfigdirs="$noconfigdirs target-libvtv" 647 else 648 AC_MSG_RESULT([yes]) 649 fi 650 fi 651fi 652 653# Disable libquadmath for some systems. 654case "${target}" in 655 avr-*-*) 656 noconfigdirs="$noconfigdirs target-libquadmath" 657 ;; 658 # libquadmath is unused on AIX and libquadmath build process use of 659 # LD_LIBRARY_PATH can break AIX bootstrap. 660 powerpc-*-aix* | rs6000-*-aix*) 661 noconfigdirs="$noconfigdirs target-libquadmath" 662 ;; 663esac 664 665# Disable libssp for some systems. 666case "${target}" in 667 avr-*-*) 668 # No hosted I/O support. 669 noconfigdirs="$noconfigdirs target-libssp" 670 ;; 671 bpf-*-*) 672 noconfigdirs="$noconfigdirs target-libssp" 673 ;; 674 powerpc-*-aix* | rs6000-*-aix*) 675 noconfigdirs="$noconfigdirs target-libssp" 676 ;; 677 pru-*-*) 678 # No hosted I/O support. 679 noconfigdirs="$noconfigdirs target-libssp" 680 ;; 681 rl78-*-*) 682 # libssp uses a misaligned load to trigger a fault, but the RL78 683 # doesn't fault for those - instead, it gives a build-time error 684 # for explicit misaligned loads. 685 noconfigdirs="$noconfigdirs target-libssp" 686 ;; 687 visium-*-*) 688 # No hosted I/O support. 689 noconfigdirs="$noconfigdirs target-libssp" 690 ;; 691esac 692 693# Disable libstdc++-v3 for some systems. 694# Allow user to override this if they pass --enable-libstdcxx 695if test "${ENABLE_LIBSTDCXX}" = "default" ; then 696 case "${target}" in 697 *-*-vxworks*) 698 # VxWorks uses the Dinkumware C++ library. 699 noconfigdirs="$noconfigdirs target-libstdc++-v3" 700 ;; 701 amdgcn*-*-*) 702 # Not ported/fails to build when using newlib. 703 noconfigdirs="$noconfigdirs target-libstdc++-v3" 704 ;; 705 arm*-wince-pe*) 706 # the C++ libraries don't build on top of CE's C libraries 707 noconfigdirs="$noconfigdirs target-libstdc++-v3" 708 ;; 709 avr-*-*) 710 noconfigdirs="$noconfigdirs target-libstdc++-v3" 711 ;; 712 bpf-*-*) 713 noconfigdirs="$noconfigdirs target-libstdc++-v3" 714 ;; 715 ft32-*-*) 716 noconfigdirs="$noconfigdirs target-libstdc++-v3" 717 ;; 718 esac 719fi 720 721# Disable C++ on systems where it is known to not work. 722# For testing, you can override this with --enable-languages=c++. 723case ,${enable_languages}, in 724 *,c++,*) 725 ;; 726 *) 727 case "${target}" in 728 bpf-*-*) 729 unsupported_languages="$unsupported_languages c++" 730 ;; 731 esac 732 ;; 733esac 734 735# Disable Objc on systems where it is known to not work. 736# For testing, you can override this with --enable-languages=objc. 737case ,${enable_languages}, in 738 *,objc,*) 739 ;; 740 *) 741 case "${target}" in 742 bpf-*-*) 743 unsupported_languages="$unsupported_languages objc" 744 ;; 745 esac 746 ;; 747esac 748 749# Disable D on systems where it is known to not work. 750# For testing, you can override this with --enable-languages=d. 751case ,${enable_languages}, in 752 *,d,*) 753 ;; 754 *) 755 case "${target}" in 756 bpf-*-*) 757 unsupported_languages="$unsupported_languages d" 758 ;; 759 esac 760 ;; 761esac 762 763# Disable libphobos on unsupported systems. 764# For testing, you can override this with --enable-libphobos. 765if test -d ${srcdir}/libphobos; then 766 if test x$enable_libphobos = x; then 767 AC_MSG_CHECKING([for libphobos support]) 768 if (srcdir=${srcdir}/libphobos; \ 769 . ${srcdir}/configure.tgt; \ 770 test "$LIBPHOBOS_SUPPORTED" != "yes") 771 then 772 AC_MSG_RESULT([no]) 773 noconfigdirs="$noconfigdirs target-libphobos" 774 else 775 AC_MSG_RESULT([yes]) 776 fi 777 fi 778fi 779 780# Disable Fortran for some systems. 781case "${target}" in 782 mmix-*-*) 783 # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>. 784 unsupported_languages="$unsupported_languages fortran" 785 ;; 786 bpf-*-*) 787 unsupported_languages="$unsupported_languages fortran" 788 ;; 789esac 790 791# Disable libffi for some systems. 792case "${target}" in 793 powerpc-*-darwin*) 794 ;; 795 i[[3456789]]86-*-darwin*) 796 ;; 797 x86_64-*-darwin[[912]]*) 798 ;; 799 *-*-darwin*) 800 noconfigdirs="$noconfigdirs target-libffi" 801 ;; 802 *-*-netware*) 803 noconfigdirs="$noconfigdirs target-libffi" 804 ;; 805 *-*-phoenix*) 806 noconfigdirs="$noconfigdirs target-libffi" 807 ;; 808 *-*-rtems*) 809 noconfigdirs="$noconfigdirs target-libffi" 810 ;; 811 *-*-tpf*) 812 noconfigdirs="$noconfigdirs target-libffi" 813 ;; 814 *-*-uclinux*) 815 noconfigdirs="$noconfigdirs target-libffi" 816 ;; 817 *-*-vxworks*) 818 noconfigdirs="$noconfigdirs target-libffi" 819 ;; 820 aarch64*-*-freebsd*) 821 noconfigdirs="$noconfigdirs target-libffi" 822 ;; 823 alpha*-*-*vms*) 824 noconfigdirs="$noconfigdirs target-libffi" 825 ;; 826 arm*-*-freebsd*) 827 noconfigdirs="$noconfigdirs target-libffi" 828 ;; 829 arm-wince-pe) 830 noconfigdirs="$noconfigdirs target-libffi" 831 ;; 832 arm*-*-symbianelf*) 833 noconfigdirs="$noconfigdirs target-libffi" 834 ;; 835 bpf-*-*) 836 noconfigdirs="$noconfigdirs target-libffi" 837 ;; 838 cris-*-* | crisv32-*-*) 839 case "${target}" in 840 *-*-linux*) 841 ;; 842 *) # See PR46792 regarding target-libffi. 843 noconfigdirs="$noconfigdirs target-libffi";; 844 esac 845 ;; 846 hppa*64*-*-hpux*) 847 noconfigdirs="$noconfigdirs target-libffi" 848 ;; 849 hppa*-hp-hpux11*) 850 ;; 851 hppa*-*-hpux*) 852 noconfigdirs="$noconfigdirs target-libffi" 853 ;; 854 ia64*-*-*vms*) 855 noconfigdirs="$noconfigdirs target-libffi" 856 ;; 857 i[[3456789]]86-w64-mingw*) 858 noconfigdirs="$noconfigdirs target-libffi" 859 ;; 860 i[[3456789]]86-*-mingw*) 861 noconfigdirs="$noconfigdirs target-libffi" 862 ;; 863 x86_64-*-mingw*) 864 noconfigdirs="$noconfigdirs target-libffi" 865 ;; 866 mmix-*-*) 867 noconfigdirs="$noconfigdirs target-libffi" 868 ;; 869 powerpc-*-aix*) 870 ;; 871 rs6000-*-aix*) 872 ;; 873 ft32-*-*) 874 noconfigdirs="$noconfigdirs target-libffi" 875 ;; 876 *-*-lynxos*) 877 noconfigdirs="$noconfigdirs target-libffi" 878 ;; 879esac 880 881# Disable the go frontend on systems where it is known to not work. Please keep 882# this in sync with contrib/config-list.mk. 883case "${target}" in 884*-*-darwin* | *-*-cygwin* | *-*-mingw* | bpf-* ) 885 unsupported_languages="$unsupported_languages go" 886 ;; 887esac 888 889# Only allow gdbserver on some systems. 890if test -d ${srcdir}/gdbserver; then 891 if test x$enable_gdbserver = x; then 892 AC_MSG_CHECKING([for gdbserver support]) 893 if (srcdir=${srcdir}/gdbserver; \ 894 . ${srcdir}/configure.srv; \ 895 test -n "$UNSUPPORTED") 896 then 897 AC_MSG_RESULT([no]) 898 noconfigdirs="$noconfigdirs gdbserver" 899 else 900 AC_MSG_RESULT([yes]) 901 fi 902 fi 903fi 904 905# Disable libgo for some systems where it is known to not work. 906# For testing, you can easily override this with --enable-libgo. 907if test x$enable_libgo = x; then 908 case "${target}" in 909 *-*-darwin*) 910 # PR 46986 911 noconfigdirs="$noconfigdirs target-libgo" 912 ;; 913 *-*-cygwin* | *-*-mingw*) 914 noconfigdirs="$noconfigdirs target-libgo" 915 ;; 916 bpf-*-*) 917 noconfigdirs="$noconfigdirs target-libgo" 918 ;; 919 esac 920fi 921 922# Default libgloss CPU subdirectory. 923libgloss_dir="$target_cpu" 924 925case "${target}" in 926 sh*-*-pe|mips*-*-pe|*arm-wince-pe) 927 libgloss_dir=wince 928 ;; 929 aarch64*-*-* ) 930 libgloss_dir=aarch64 931 ;; 932 arm*-*-*) 933 libgloss_dir=arm 934 ;; 935 cris-*-* | crisv32-*-*) 936 libgloss_dir=cris 937 ;; 938 hppa*-*-*) 939 libgloss_dir=pa 940 ;; 941 i[[3456789]]86-*-*) 942 libgloss_dir=i386 943 ;; 944 loongarch*-*-*) 945 libgloss_dir=loongarch 946 ;; 947 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*) 948 libgloss_dir=m68hc11 949 ;; 950 m68*-*-* | fido-*-*) 951 libgloss_dir=m68k 952 ;; 953 mips*-*-*) 954 libgloss_dir=mips 955 ;; 956 powerpc*-*-*) 957 libgloss_dir=rs6000 958 ;; 959 pru-*-*) 960 libgloss_dir=pru 961 ;; 962 sparc*-*-*) 963 libgloss_dir=sparc 964 ;; 965esac 966 967# Disable newlib and libgloss for various target OSes. 968case "${target}" in 969 alpha*-dec-osf*) 970 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 971 ;; 972 i[[3456789]]86-*-linux*) 973 # This section makes it possible to build newlib natively on linux. 974 # If we are using a cross compiler then don't configure newlib. 975 if test x${is_cross_compiler} != xno ; then 976 noconfigdirs="$noconfigdirs target-newlib" 977 fi 978 noconfigdirs="$noconfigdirs target-libgloss" 979 # If we are not using a cross compiler, do configure newlib. 980 # Note however, that newlib will only be configured in this situation 981 # if the --with-newlib option has been given, because otherwise 982 # 'target-newlib' will appear in skipdirs. 983 ;; 984 i[[3456789]]86-*-rdos*) 985 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 986 ;; 987 sh*-*-pe|mips*-*-pe|arm-wince-pe) 988 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 989 ;; 990 sparc-*-sunos4*) 991 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 992 ;; 993 bpf-*-*) 994 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 995 ;; 996 *-*-aix*) 997 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 998 ;; 999 *-*-beos*) 1000 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1001 ;; 1002 *-*-chorusos) 1003 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1004 ;; 1005 *-*-dragonfly*) 1006 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1007 ;; 1008 *-*-freebsd*) 1009 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1010 ;; 1011 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 1012 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1013 ;; 1014 *-*-lynxos*) 1015 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1016 ;; 1017 *-*-mingw*) 1018 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1019 ;; 1020 *-*-netbsd*) 1021 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1022 ;; 1023 *-*-netware*) 1024 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1025 ;; 1026 *-*-tpf*) 1027 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1028 ;; 1029 *-*-uclinux*) 1030 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1031 ;; 1032 *-*-vxworks*) 1033 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1034 ;; 1035esac 1036 1037case "${target}" in 1038 *-*-chorusos) 1039 ;; 1040 aarch64-*-darwin*) 1041 noconfigdirs="$noconfigdirs ld gas gdb gprof" 1042 noconfigdirs="$noconfigdirs sim target-rda" 1043 ;; 1044 amdgcn*-*-*) 1045 ;; 1046 arm-*-darwin*) 1047 noconfigdirs="$noconfigdirs ld gas gdb gprof" 1048 noconfigdirs="$noconfigdirs sim target-rda" 1049 ;; 1050 powerpc-*-darwin*) 1051 noconfigdirs="$noconfigdirs ld gas gdb gprof" 1052 noconfigdirs="$noconfigdirs sim target-rda" 1053 ;; 1054 i[[3456789]]86-*-darwin*) 1055 noconfigdirs="$noconfigdirs ld gprof" 1056 noconfigdirs="$noconfigdirs sim target-rda" 1057 ;; 1058 x86_64-*-darwin[[912]]*) 1059 noconfigdirs="$noconfigdirs ld gas gprof" 1060 noconfigdirs="$noconfigdirs sim target-rda" 1061 ;; 1062 *-*-darwin*) 1063 noconfigdirs="$noconfigdirs ld gas gdb gprof" 1064 noconfigdirs="$noconfigdirs sim target-rda" 1065 ;; 1066 *-*-dragonfly*) 1067 ;; 1068 *-*-freebsd*) 1069 if test "x$with_gmp" = x \ 1070 && ! test -d ${srcdir}/gmp \ 1071 && test -f /usr/local/include/gmp.h; then 1072 with_gmp=/usr/local 1073 fi 1074 ;; 1075 *-*-kaos*) 1076 # Remove unsupported stuff on all kaOS configurations. 1077 noconfigdirs="$noconfigdirs target-libgloss" 1078 ;; 1079 *-*-netbsd*) 1080 ;; 1081 *-*-netware*) 1082 ;; 1083 *-*-phoenix*) 1084 noconfigdirs="$noconfigdirs target-libgloss" 1085 ;; 1086 *-*-rtems*) 1087 noconfigdirs="$noconfigdirs target-libgloss" 1088 ;; 1089 # The tpf target doesn't support gdb yet. 1090 *-*-tpf*) 1091 noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl" 1092 ;; 1093 *-*-uclinux*) 1094 noconfigdirs="$noconfigdirs target-rda" 1095 ;; 1096 *-*-vxworks*) 1097 ;; 1098 alpha*-dec-osf*) 1099 # ld works, but does not support shared libraries. 1100 # gas doesn't generate exception information. 1101 noconfigdirs="$noconfigdirs gas ld" 1102 ;; 1103 alpha*-*-*vms*) 1104 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss" 1105 ;; 1106 alpha*-*-*) 1107 # newlib is not 64 bit ready 1108 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1109 ;; 1110 bpf-*-*) 1111 noconfigdirs="$noconfigdirs target-libobjc target-libbacktrace" 1112 ;; 1113 sh*-*-pe|mips*-*-pe|*arm-wince-pe) 1114 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim" 1115 ;; 1116 arc*-*-*) 1117 noconfigdirs="$noconfigdirs sim" 1118 ;; 1119 arm-*-pe*) 1120 noconfigdirs="$noconfigdirs target-libgloss" 1121 ;; 1122 arm-*-riscix*) 1123 noconfigdirs="$noconfigdirs ld target-libgloss" 1124 ;; 1125 avr-*-*) 1126 if test x${with_avrlibc} != xno; then 1127 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1128 fi 1129 ;; 1130 c4x-*-* | tic4x-*-*) 1131 noconfigdirs="$noconfigdirs target-libgloss" 1132 ;; 1133 tic54x-*-*) 1134 noconfigdirs="$noconfigdirs target-libgloss gdb" 1135 ;; 1136 d10v-*-*) 1137 noconfigdirs="$noconfigdirs target-libgloss" 1138 ;; 1139 d30v-*-*) 1140 noconfigdirs="$noconfigdirs gdb" 1141 ;; 1142 fr30-*-elf*) 1143 noconfigdirs="$noconfigdirs gdb" 1144 ;; 1145 ft32-*-*) 1146 noconfigdirs="$noconfigdirs target-rda gprof" 1147 ;; 1148 moxie-*-*) 1149 noconfigdirs="$noconfigdirs" 1150 ;; 1151 h8300*-*-*) 1152 noconfigdirs="$noconfigdirs target-libgloss" 1153 ;; 1154 h8500-*-*) 1155 noconfigdirs="$noconfigdirs target-libgloss" 1156 ;; 1157 hppa1.1-*-osf* | hppa1.1-*-bsd* ) 1158 ;; 1159 hppa*64*-*-hpux*) 1160 noconfigdirs="$noconfigdirs gdb" 1161 ;; 1162 hppa*-*-hpux11*) 1163 noconfigdirs="$noconfigdirs gdb ld" 1164 ;; 1165 hppa*64*-*-linux*) 1166 ;; 1167 hppa*-*-linux*) 1168 ;; 1169 hppa*-*-*elf* | \ 1170 hppa*-*-lites* | \ 1171 hppa*-*-openbsd* | \ 1172 hppa*64*-*-*) 1173 ;; 1174 hppa*-*-pro*) 1175 ;; 1176 hppa*-*-*) 1177 noconfigdirs="$noconfigdirs ld" 1178 ;; 1179 i960-*-*) 1180 noconfigdirs="$noconfigdirs gdb" 1181 ;; 1182 ia64*-*-elf*) 1183 # No gdb support yet. 1184 noconfigdirs="$noconfigdirs readline libgui itcl gdb" 1185 ;; 1186 ia64*-**-hpux*) 1187 # No ld support yet. 1188 noconfigdirs="$noconfigdirs gdb libgui itcl ld" 1189 ;; 1190 ia64*-*-*vms*) 1191 # No ld support yet. 1192 noconfigdirs="$noconfigdirs libgui itcl ld" 1193 ;; 1194 i[[3456789]]86-w64-mingw*) 1195 ;; 1196 i[[3456789]]86-*-mingw*) 1197 target_configdirs="$target_configdirs target-winsup" 1198 ;; 1199 *-*-cygwin*) 1200 target_configdirs="$target_configdirs target-libtermcap target-winsup" 1201 noconfigdirs="$noconfigdirs target-libgloss" 1202 # always build newlib if winsup directory is present. 1203 if test -d "$srcdir/winsup/cygwin"; then 1204 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` 1205 elif test -d "$srcdir/newlib"; then 1206 echo "Warning: winsup/cygwin is missing so newlib can't be built." 1207 fi 1208 ;; 1209 i[[3456789]]86-*-pe) 1210 noconfigdirs="$noconfigdirs target-libgloss" 1211 ;; 1212 i[[3456789]]86-*-sco3.2v5*) 1213 # The linker does not yet know about weak symbols in COFF, 1214 # and is not configured to handle mixed ELF and COFF. 1215 noconfigdirs="$noconfigdirs ld target-libgloss" 1216 ;; 1217 i[[3456789]]86-*-sco*) 1218 noconfigdirs="$noconfigdirs gprof target-libgloss" 1219 ;; 1220 i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*) 1221 noconfigdirs="$noconfigdirs target-libgloss" 1222 ;; 1223 i[[3456789]]86-*-sysv4*) 1224 noconfigdirs="$noconfigdirs target-libgloss" 1225 ;; 1226 i[[3456789]]86-*-beos*) 1227 noconfigdirs="$noconfigdirs gdb" 1228 ;; 1229 i[[3456789]]86-*-rdos*) 1230 noconfigdirs="$noconfigdirs gdb" 1231 ;; 1232 mmix-*-*) 1233 noconfigdirs="$noconfigdirs gdb" 1234 ;; 1235 mt-*-*) 1236 noconfigdirs="$noconfigdirs sim" 1237 ;; 1238 nfp-*-*) 1239 noconfigdirs="$noconfigdirs ld gas gdb gprof sim" 1240 noconfigdirs="$noconfigdirs $target_libraries" 1241 ;; 1242 pdp11-*-*) 1243 noconfigdirs="$noconfigdirs gdb gprof" 1244 ;; 1245 powerpc-*-aix*) 1246 # copied from rs6000-*-* entry 1247 noconfigdirs="$noconfigdirs gprof" 1248 ;; 1249 powerpc*-*-winnt* | powerpc*-*-pe*) 1250 target_configdirs="$target_configdirs target-winsup" 1251 noconfigdirs="$noconfigdirs gdb tcl tk target-libgloss itcl" 1252 # always build newlib. 1253 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` 1254 ;; 1255 # This is temporary until we can link against shared libraries 1256 powerpcle-*-solaris*) 1257 noconfigdirs="$noconfigdirs gdb sim tcl tk itcl" 1258 ;; 1259 powerpc-*-beos*) 1260 noconfigdirs="$noconfigdirs gdb" 1261 ;; 1262 rs6000-*-lynxos*) 1263 noconfigdirs="$noconfigdirs gprof" 1264 ;; 1265 rs6000-*-aix*) 1266 noconfigdirs="$noconfigdirs gprof" 1267 ;; 1268 rs6000-*-*) 1269 noconfigdirs="$noconfigdirs gprof" 1270 ;; 1271 m68k-apollo-*) 1272 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss" 1273 ;; 1274 microblaze*) 1275 noconfigdirs="$noconfigdirs gprof" 1276 ;; 1277 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*) 1278 if test x$with_newlib = xyes; then 1279 noconfigdirs="$noconfigdirs gprof" 1280 fi 1281 ;; 1282 mips*-*-irix5*) 1283 noconfigdirs="$noconfigdirs gprof target-libgloss" 1284 ;; 1285 mips*-*-irix6*) 1286 noconfigdirs="$noconfigdirs gprof target-libgloss" 1287 ;; 1288 mips*-*-bsd*) 1289 noconfigdirs="$noconfigdirs ld gas gprof target-libgloss" 1290 ;; 1291 mips*-*-linux*) 1292 ;; 1293 mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \ 1294 | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*) 1295 noconfigdirs="$noconfigdirs ld gas gprof" 1296 ;; 1297 mips*-*-*) 1298 noconfigdirs="$noconfigdirs gprof" 1299 ;; 1300 nvptx*-*-*) 1301 noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc" 1302 ;; 1303 sh-*-*) 1304 case "${target}" in 1305 sh*-*-elf) 1306 ;; 1307 *) 1308 noconfigdirs="$noconfigdirs target-libgloss" ;; 1309 esac 1310 ;; 1311 sparc-*-sunos4*) 1312 if test x${is_cross_compiler} = xno ; then 1313 use_gnu_ld=no 1314 fi 1315 ;; 1316 tic6x-*-*) 1317 noconfigdirs="$noconfigdirs sim" 1318 ;; 1319 tilepro*-*-* | tilegx*-*-*) 1320 noconfigdirs="$noconfigdirs sim" 1321 ;; 1322 v810-*-*) 1323 noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss" 1324 ;; 1325 vax-*-*) 1326 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 1327 ;; 1328 wasm32-*-*) 1329 noconfigdirs="$noconfigdirs ld" 1330 ;; 1331 loongarch*-*-linux*) 1332 ;; 1333 loongarch*-*-*) 1334 noconfigdirs="$noconfigdirs gprof" 1335 ;; 1336esac 1337 1338# If we aren't building newlib, then don't build libgloss, since libgloss 1339# depends upon some newlib header files. 1340case "${noconfigdirs}" in 1341 *target-libgloss*) ;; 1342 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;; 1343esac 1344 1345# Work in distributions that contain no compiler tools, like Autoconf. 1346host_makefile_frag=/dev/null 1347if test -d ${srcdir}/config ; then 1348case "${host}" in 1349 i[[3456789]]86-*-msdosdjgpp*) 1350 host_makefile_frag="config/mh-djgpp" 1351 ;; 1352 *-cygwin*) 1353 ACX_CHECK_CYGWIN_CAT_WORKS 1354 host_makefile_frag="config/mh-cygwin" 1355 ;; 1356 *-mingw*) 1357 host_makefile_frag="config/mh-mingw" 1358 ;; 1359 alpha*-linux*) 1360 host_makefile_frag="config/mh-alpha-linux" 1361 ;; 1362 hppa*-hp-hpux10*) 1363 host_makefile_frag="config/mh-pa-hpux10" 1364 ;; 1365 hppa*-hp-hpux*) 1366 host_makefile_frag="config/mh-pa" 1367 ;; 1368 hppa*-*) 1369 host_makefile_frag="config/mh-pa" 1370 ;; 1371 i?86-*-darwin[[89]]* | i?86-*-darwin1[[0-7]]* | powerpc*-*-darwin*) 1372 host_makefile_frag="config/mh-darwin" 1373 ;; 1374 powerpc-*-aix*) 1375 host_makefile_frag="config/mh-ppc-aix" 1376 ;; 1377 rs6000-*-aix*) 1378 host_makefile_frag="config/mh-ppc-aix" 1379 ;; 1380esac 1381fi 1382 1383if test "${build}" != "${host}" ; then 1384 AR_FOR_BUILD=${AR_FOR_BUILD-ar} 1385 AS_FOR_BUILD=${AS_FOR_BUILD-as} 1386 CC_FOR_BUILD=${CC_FOR_BUILD-gcc} 1387 CPP_FOR_BUILD="${CPP_FOR_BUILD-\$(CC_FOR_BUILD) -E}" 1388 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++} 1389 DSYMUTIL_FOR_BUILD=${DSYMUTIL_FOR_BUILD-dsymutil} 1390 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran} 1391 GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo} 1392 GDC_FOR_BUILD=${GDC_FOR_BUILD-gdc} 1393 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool} 1394 LD_FOR_BUILD=${LD_FOR_BUILD-ld} 1395 NM_FOR_BUILD=${NM_FOR_BUILD-nm} 1396 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib} 1397 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres} 1398 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc} 1399else 1400 AR_FOR_BUILD="\$(AR)" 1401 AS_FOR_BUILD="\$(AS)" 1402 CC_FOR_BUILD="\$(CC)" 1403 CXX_FOR_BUILD="\$(CXX)" 1404 DSYMUTIL_FOR_BUILD="\$(DSYMUTIL)" 1405 GFORTRAN_FOR_BUILD="\$(GFORTRAN)" 1406 GOC_FOR_BUILD="\$(GOC)" 1407 GDC_FOR_BUILD="\$(GDC)" 1408 DLLTOOL_FOR_BUILD="\$(DLLTOOL)" 1409 LD_FOR_BUILD="\$(LD)" 1410 NM_FOR_BUILD="\$(NM)" 1411 RANLIB_FOR_BUILD="\$(RANLIB)" 1412 WINDRES_FOR_BUILD="\$(WINDRES)" 1413 WINDMC_FOR_BUILD="\$(WINDMC)" 1414fi 1415 1416AC_PROG_CC_C99 1417AC_PROG_CXX 1418 1419# We must set the default linker to the linker used by gcc for the correct 1420# operation of libtool. If LD is not defined and we are using gcc, try to 1421# set the LD default to the ld used by gcc. 1422if test -z "$LD"; then 1423 if test "$GCC" = yes; then 1424 case $build in 1425 *-*-mingw*) 1426 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;; 1427 *) 1428 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;; 1429 esac 1430 case $gcc_prog_ld in 1431 # Accept absolute paths. 1432 [[\\/]* | [A-Za-z]:[\\/]*)] 1433 LD="$gcc_prog_ld" ;; 1434 esac 1435 fi 1436fi 1437 1438# Check whether -static-libstdc++ -static-libgcc is supported. 1439have_static_libs=no 1440if test "$GCC" = yes; then 1441 saved_LDFLAGS="$LDFLAGS" 1442 1443 LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc" 1444 AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc]) 1445 AC_LANG_PUSH(C++) 1446 AC_LINK_IFELSE([AC_LANG_SOURCE([ 1447#if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5) 1448#error -static-libstdc++ not implemented 1449#endif 1450int main() {}])], 1451 [AC_MSG_RESULT([yes]); have_static_libs=yes], 1452 [AC_MSG_RESULT([no])]) 1453 AC_LANG_POP(C++) 1454 1455 LDFLAGS="$saved_LDFLAGS" 1456fi 1457 1458ACX_PROG_GNAT 1459ACX_PROG_GDC 1460ACX_PROG_CMP_IGNORE_INITIAL 1461 1462AC_ARG_ENABLE([bootstrap], 1463[AS_HELP_STRING([--enable-bootstrap], 1464 [enable bootstrapping @<:@yes if native build@:>@])],, 1465enable_bootstrap=default) 1466 1467# Issue errors and warnings for invalid/strange bootstrap combinations. 1468if test -r $srcdir/gcc/configure; then 1469 have_compiler=yes 1470else 1471 have_compiler=no 1472fi 1473 1474case "$have_compiler:$host:$target:$enable_bootstrap" in 1475 *:*:*:no) ;; 1476 1477 # Default behavior. Enable bootstrap if we have a compiler 1478 # and we are in a native configuration. 1479 yes:$build:$build:default) 1480 enable_bootstrap=yes ;; 1481 1482 *:*:*:default) 1483 enable_bootstrap=no ;; 1484 1485 # We have a compiler and we are in a native configuration, bootstrap is ok 1486 yes:$build:$build:yes) 1487 ;; 1488 1489 # Other configurations, but we have a compiler. Assume the user knows 1490 # what he's doing. 1491 yes:*:*:yes) 1492 AC_MSG_WARN([trying to bootstrap a cross compiler]) 1493 ;; 1494 1495 # No compiler: if they passed --enable-bootstrap explicitly, fail 1496 no:*:*:yes) 1497 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;; 1498 1499 # Fail if wrong command line 1500 *) 1501 AC_MSG_ERROR([invalid option for --enable-bootstrap]) 1502 ;; 1503esac 1504 1505# When bootstrapping with GCC, build stage 1 in C++11 mode to ensure that a 1506# C++11 compiler can still start the bootstrap. Otherwise, if building GCC, 1507# require C++11 (or higher). 1508if test "$enable_bootstrap:$GXX" = "yes:yes"; then 1509 CXX="$CXX -std=c++11" 1510elif test "$have_compiler" = yes; then 1511 AX_CXX_COMPILE_STDCXX(11) 1512 1513 if test "${build}" != "${host}"; then 1514 AX_CXX_COMPILE_STDCXX(11, [], [], [_FOR_BUILD]) 1515 fi 1516fi 1517 1518AC_ARG_ENABLE([pgo-build], 1519[AS_HELP_STRING([--enable-pgo-build[[=lto]]], 1520 [enable the PGO build])], 1521[enable_pgo_build=$enableval], 1522[enable_pgo_build=no]) 1523 1524# Issue errors and warnings for invalid/strange PGO build combinations. 1525case "$have_compiler:$host:$target:$enable_pgo_build" in 1526 *:*:*:no) ;; 1527 1528 # Allow the PGO build only if we aren't building a compiler and 1529 # we are in a native configuration. 1530 no:$build:$build:yes | no:$build:$build:lto) ;; 1531 1532 # Disallow the PGO bootstrap if we are building a compiler. 1533 yes:*:*:yes | yes:*:*:lto) 1534 AC_MSG_ERROR([cannot perform the PGO bootstrap when building a compiler]) ;; 1535 1536 *) 1537 AC_MSG_ERROR([invalid option for --enable-pgo-build]) 1538 ;; 1539esac 1540 1541if test "$enable_pgo_build" != "no"; then 1542 AC_MSG_CHECKING([whether the compiler supports -fprofile-generate]) 1543 old_CFLAGS="$CFLAGS" 1544 PGO_BUILD_GEN_CFLAGS="-fprofile-generate" 1545 CFLAGS="$CFLAGS $PGO_BUILD_CFLAGS" 1546 AC_COMPILE_IFELSE([AC_LANG_SOURCE([int foo;])],, 1547 [PGO_BUILD_GEN_CFLAGS=]) 1548 CFLAGS="$old_CFLAGS" 1549 if test -n "$PGO_BUILD_GEN_CFLAGS"; then 1550 AC_MSG_RESULT([yes]) 1551 PGO_BUILD_USE_CFLAGS="-fprofile-use" 1552 else 1553 AC_MSG_RESULT([no]) 1554 AC_MSG_ERROR([cannot perform the PGO build without -fprofile-generate]) 1555 fi 1556 1557 if test "$enable_pgo_build" = "lto"; then 1558 AC_MSG_CHECKING([whether the compiler supports -flto=jobserver -ffat-lto-objects]) 1559 old_CFLAGS="$CFLAGS" 1560 PGO_BUILD_LTO_CFLAGS="-flto=jobserver -ffat-lto-objects" 1561 CFLAGS="$CFLAGS $PGO_BUILD_LTO_CFLAGS" 1562 AC_COMPILE_IFELSE([AC_LANG_SOURCE([int foo;])],, 1563 [PGO_BUILD_LTO_CFLAGS=]) 1564 CFLAGS="$old_CFLAGS" 1565 if test -n "$PGO_BUILD_LTO_CFLAGS"; then 1566 AC_MSG_RESULT([yes]) 1567 else 1568 AC_MSG_RESULT([no]) 1569 AC_MSG_WARN([LTO is disabled for the PGO build]) 1570 fi 1571 fi 1572fi 1573AC_SUBST(PGO_BUILD_GEN_CFLAGS) 1574AC_SUBST(PGO_BUILD_USE_CFLAGS) 1575AC_SUBST(PGO_BUILD_LTO_CFLAGS) 1576 1577# Used for setting $lt_cv_objdir 1578_LT_CHECK_OBJDIR 1579 1580# Check for GMP, MPFR and MPC 1581gmplibs="-lmpc -lmpfr -lgmp" 1582gmpinc= 1583have_gmp=no 1584 1585# Specify a location for mpc 1586# check for this first so it ends up on the link line before mpfr. 1587AC_ARG_WITH(mpc, 1588[AS_HELP_STRING([--with-mpc=PATH], 1589 [specify prefix directory for installed MPC package. 1590 Equivalent to --with-mpc-include=PATH/include 1591 plus --with-mpc-lib=PATH/lib])]) 1592AC_ARG_WITH(mpc-include, 1593[AS_HELP_STRING([--with-mpc-include=PATH], 1594 [specify directory for installed MPC include files])]) 1595AC_ARG_WITH(mpc-lib, 1596[AS_HELP_STRING([--with-mpc-lib=PATH], 1597 [specify directory for the installed MPC library])]) 1598 1599if test "x$with_mpc" != x; then 1600 gmplibs="-L$with_mpc/lib $gmplibs" 1601 gmpinc="-I$with_mpc/include $gmpinc" 1602fi 1603if test "x$with_mpc_include" != x; then 1604 gmpinc="-I$with_mpc_include $gmpinc" 1605fi 1606if test "x$with_mpc_lib" != x; then 1607 gmplibs="-L$with_mpc_lib $gmplibs" 1608fi 1609if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then 1610 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs" 1611 gmpinc='-I$$s/mpc/src '"$gmpinc" 1612 # Do not test the mpc version. Assume that it is sufficient, since 1613 # it is in the source tree, and the library has not been built yet 1614 # but it would be included on the link line in the version check below 1615 # hence making the test fail. 1616 have_gmp=yes 1617fi 1618 1619# Specify a location for mpfr 1620# check for this first so it ends up on the link line before gmp. 1621AC_ARG_WITH(mpfr, 1622[AS_HELP_STRING([--with-mpfr=PATH], 1623 [specify prefix directory for installed MPFR package. 1624 Equivalent to --with-mpfr-include=PATH/include 1625 plus --with-mpfr-lib=PATH/lib])]) 1626AC_ARG_WITH(mpfr-include, 1627[AS_HELP_STRING([--with-mpfr-include=PATH], 1628 [specify directory for installed MPFR include files])]) 1629AC_ARG_WITH(mpfr-lib, 1630[AS_HELP_STRING([--with-mpfr-lib=PATH], 1631 [specify directory for the installed MPFR library])]) 1632 1633if test "x$with_mpfr" != x; then 1634 gmplibs="-L$with_mpfr/lib $gmplibs" 1635 gmpinc="-I$with_mpfr/include $gmpinc" 1636fi 1637if test "x$with_mpfr_include" != x; then 1638 gmpinc="-I$with_mpfr_include $gmpinc" 1639fi 1640if test "x$with_mpfr_lib" != x; then 1641 gmplibs="-L$with_mpfr_lib $gmplibs" 1642fi 1643if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then 1644 # MPFR v3.1.0 moved the sources into a src sub-directory. 1645 if ! test -d ${srcdir}/mpfr/src; then 1646 AC_MSG_ERROR([dnl 1647Building GCC with MPFR in the source tree is only handled for MPFR 3.1.0+.]) 1648 fi 1649 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs" 1650 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc" 1651 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir" 1652 # Do not test the mpfr version. Assume that it is sufficient, since 1653 # it is in the source tree, and the library has not been built yet 1654 # but it would be included on the link line in the version check below 1655 # hence making the test fail. 1656 have_gmp=yes 1657fi 1658 1659# Specify a location for gmp 1660AC_ARG_WITH(gmp, 1661[AS_HELP_STRING([--with-gmp=PATH], 1662 [specify prefix directory for the installed GMP package. 1663 Equivalent to --with-gmp-include=PATH/include 1664 plus --with-gmp-lib=PATH/lib])]) 1665AC_ARG_WITH(gmp-include, 1666[AS_HELP_STRING([--with-gmp-include=PATH], 1667 [specify directory for installed GMP include files])]) 1668AC_ARG_WITH(gmp-lib, 1669[AS_HELP_STRING([--with-gmp-lib=PATH], 1670 [specify directory for the installed GMP library])]) 1671 1672 1673if test "x$with_gmp" != x; then 1674 gmplibs="-L$with_gmp/lib $gmplibs" 1675 gmpinc="-I$with_gmp/include $gmpinc" 1676fi 1677if test "x$with_gmp_include" != x; then 1678 gmpinc="-I$with_gmp_include $gmpinc" 1679fi 1680if test "x$with_gmp_lib" != x; then 1681 gmplibs="-L$with_gmp_lib $gmplibs" 1682fi 1683if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then 1684 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs" 1685 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc" 1686 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir" 1687 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir" 1688 extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp' 1689 # Do not test the gmp version. Assume that it is sufficient, since 1690 # it is in the source tree, and the library has not been built yet 1691 # but it would be included on the link line in the version check below 1692 # hence making the test fail. 1693 have_gmp=yes 1694fi 1695 1696if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then 1697 have_gmp=yes 1698 saved_CFLAGS="$CFLAGS" 1699 CFLAGS="$CFLAGS $gmpinc" 1700 # Check for the recommended and required versions of GMP. 1701 AC_MSG_CHECKING([for the correct version of gmp.h]) 1702 AC_TRY_COMPILE([#include "gmp.h"],[ 1703 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) 1704 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) 1705 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3) 1706 choke me 1707 #endif 1708 ], [AC_TRY_COMPILE([#include <gmp.h>],[ 1709 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) 1710 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) 1711 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2) 1712 choke me 1713 #endif 1714 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1715 [AC_MSG_RESULT([no]); have_gmp=no]) 1716 1717 # If we have GMP, check the MPFR version. 1718 if test x"$have_gmp" = xyes; then 1719 # Check for the recommended and required versions of MPFR. 1720 AC_MSG_CHECKING([for the correct version of mpfr.h]) 1721 AC_TRY_COMPILE([#include <gmp.h> 1722 #include <mpfr.h>],[ 1723 #if MPFR_VERSION < MPFR_VERSION_NUM(3,1,0) 1724 choke me 1725 #endif 1726 ], [AC_TRY_COMPILE([#include <gmp.h> 1727 #include <mpfr.h>],[ 1728 #if MPFR_VERSION < MPFR_VERSION_NUM(3,1,6) 1729 choke me 1730 #endif 1731 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1732 [AC_MSG_RESULT([no]); have_gmp=no]) 1733 fi 1734 1735 # Check for the MPC header version. 1736 if test x"$have_gmp" = xyes ; then 1737 # Check for the recommended and required versions of MPC. 1738 AC_MSG_CHECKING([for the correct version of mpc.h]) 1739 AC_TRY_COMPILE([#include <mpc.h>],[ 1740 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0) 1741 choke me 1742 #endif 1743 ], [AC_TRY_COMPILE([#include <mpc.h>],[ 1744 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1) 1745 choke me 1746 #endif 1747 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1748 [AC_MSG_RESULT([no]); have_gmp=no]) 1749 fi 1750 1751 # Now check the MPFR library. 1752 if test x"$have_gmp" = xyes; then 1753 saved_LIBS="$LIBS" 1754 LIBS="$LIBS $gmplibs" 1755 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries]) 1756 AC_TRY_LINK([#include <mpc.h>],[ 1757 mpfr_t n; 1758 mpfr_t x; 1759 mpc_t c; 1760 int t; 1761 mpfr_init (n); 1762 mpfr_init (x); 1763 mpfr_atan2 (n, n, x, MPFR_RNDN); 1764 mpfr_erfc (n, x, MPFR_RNDN); 1765 mpfr_subnormalize (x, t, MPFR_RNDN); 1766 mpfr_clear(n); 1767 mpfr_clear(x); 1768 mpc_init2 (c, 53); 1769 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN); 1770 mpc_cosh (c, c, MPC_RNDNN); 1771 mpc_pow (c, c, c, MPC_RNDNN); 1772 mpc_acosh (c, c, MPC_RNDNN); 1773 mpc_clear (c); 1774 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no]) 1775 LIBS="$saved_LIBS" 1776 fi 1777 1778 CFLAGS="$saved_CFLAGS" 1779 1780# The library versions listed in the error message below should match 1781# the HARD-minimums enforced above. 1782 if test x$have_gmp != xyes; then 1783 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 3.1.0+ and MPC 0.8.0+. 1784Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify 1785their locations. Source code for these libraries can be found at 1786their respective hosting sites as well as at 1787https://gcc.gnu.org/pub/gcc/infrastructure/. See also 1788http://gcc.gnu.org/install/prerequisites.html for additional info. If 1789you obtained GMP, MPFR and/or MPC from a vendor distribution package, 1790make sure that you have installed both the libraries and the header 1791files. They may be located in separate packages.]) 1792 fi 1793fi 1794 1795# Flags needed for both GMP, MPFR and/or MPC. 1796AC_SUBST(gmplibs) 1797AC_SUBST(gmpinc) 1798AC_SUBST(extra_mpfr_configure_flags) 1799AC_SUBST(extra_mpc_gmp_configure_flags) 1800AC_SUBST(extra_mpc_mpfr_configure_flags) 1801AC_SUBST(extra_isl_gmp_configure_flags) 1802 1803# Libraries to use for stage1 or when not bootstrapping. 1804AC_ARG_WITH(stage1-libs, 1805[AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])], 1806[if test "$withval" = "no" -o "$withval" = "yes"; then 1807 stage1_libs= 1808 else 1809 stage1_libs=$withval 1810 fi], 1811[stage1_libs=]) 1812AC_SUBST(stage1_libs) 1813 1814# Whether or not to use -static-libstdc++ and -static-libgcc. The 1815# default is yes if gcc is being built; no otherwise. The reason for 1816# this default is that gdb is sometimes linked against GNU Source 1817# Highlight, which is a shared library that uses C++ exceptions. In 1818# this case, -static-libstdc++ will cause crashes. 1819AC_ARG_WITH(static-standard-libraries, 1820[AS_HELP_STRING([--with-static-standard-libraries], 1821 [use -static-libstdc++ and -static-libgcc (default=auto)])], 1822[], [with_static_standard_libraries=auto]) 1823if test "$with_static_standard_libraries" = auto; then 1824 with_static_standard_libraries=$have_compiler 1825fi 1826 1827# Linker flags to use for stage1 or when not bootstrapping. 1828AC_ARG_WITH(stage1-ldflags, 1829[AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])], 1830[if test "$withval" = "no" -o "$withval" = "yes"; then 1831 stage1_ldflags= 1832 else 1833 stage1_ldflags=$withval 1834 fi], 1835[stage1_ldflags= 1836 # In stage 1, default to linking libstdc++ and libgcc statically with GCC 1837 # if supported. But if the user explicitly specified the libraries to use, 1838 # trust that they are doing what they want. 1839 if test "$with_static_standard_libraries" = yes -a "$stage1_libs" = "" \ 1840 -a "$have_static_libs" = yes; then 1841 stage1_ldflags="-static-libstdc++ -static-libgcc" 1842 fi]) 1843AC_SUBST(stage1_ldflags) 1844 1845# Libraries to use for stage2 and later builds. 1846AC_ARG_WITH(boot-libs, 1847[AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])], 1848[if test "$withval" = "no" -o "$withval" = "yes"; then 1849 poststage1_libs= 1850 else 1851 poststage1_libs=$withval 1852 fi], 1853[poststage1_libs=]) 1854AC_SUBST(poststage1_libs) 1855 1856# Linker flags to use for stage2 and later builds. 1857AC_ARG_WITH(boot-ldflags, 1858[AS_HELP_STRING([--with-boot-ldflags=FLAGS], 1859 [linker flags for stage2 and later])], 1860[if test "$withval" = "no" -o "$withval" = "yes"; then 1861 poststage1_ldflags= 1862 else 1863 poststage1_ldflags=$withval 1864 fi], 1865[poststage1_ldflags= 1866 # In stages 2 and 3, default to linking libstdc++ and libgcc 1867 # statically. But if the user explicitly specified the libraries to 1868 # use, trust that they are doing what they want. 1869 if test "$poststage1_libs" = ""; then 1870 poststage1_ldflags="-static-libstdc++ -static-libgcc" 1871 fi]) 1872AC_SUBST(poststage1_ldflags) 1873 1874# GCC GRAPHITE dependency isl. 1875# Basic setup is inlined here, actual checks are in config/isl.m4 1876 1877AC_ARG_WITH(isl, 1878 [AS_HELP_STRING( 1879 [--with-isl=PATH], 1880 [Specify prefix directory for the installed isl package. 1881 Equivalent to --with-isl-include=PATH/include 1882 plus --with-isl-lib=PATH/lib])]) 1883 1884# Treat --without-isl as a request to disable 1885# GRAPHITE support and skip all following checks. 1886if test "x$with_isl" != "xno"; then 1887 # Check for isl 1888 dnl Provide configure switches and initialize islinc & isllibs 1889 dnl with user input. 1890 ISL_INIT_FLAGS 1891 dnl The versions of isl that work for Graphite 1892 ISL_CHECK_VERSION() 1893 dnl Only execute fail-action, if isl has been requested. 1894 ISL_IF_FAILED([ 1895 AC_MSG_ERROR([Unable to find a usable isl. See config.log for details.])]) 1896fi 1897 1898# If the isl check failed, disable builds of in-tree variant of isl 1899if test "x$with_isl" = xno || 1900 test "x$gcc_cv_isl" = xno; then 1901 noconfigdirs="$noconfigdirs isl" 1902 islinc= 1903fi 1904 1905AC_SUBST(isllibs) 1906AC_SUBST(islinc) 1907 1908# Check for LTO support. 1909AC_ARG_ENABLE(lto, 1910[AS_HELP_STRING([--enable-lto], [enable link time optimization support])], 1911enable_lto=$enableval, 1912enable_lto=yes; default_enable_lto=yes) 1913 1914ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always. 1915 build_lto_plugin=yes 1916],[if test x"$default_enable_lto" = x"yes" ; then 1917 case $target in 1918 *-apple-darwin[[912]]* | *-cygwin* | *-mingw* | *djgpp*) ;; 1919 # On other non-ELF platforms, LTO has yet to be validated. 1920 *) enable_lto=no ;; 1921 esac 1922 else 1923 # Apart from ELF platforms, only Windows and Darwin support LTO so far. 1924 # It would also be nice to check the binutils support, but we don't 1925 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just 1926 # warn during gcc/ subconfigure; unless you're bootstrapping with 1927 # -flto it won't be needed until after installation anyway. 1928 case $target in 1929 *-cygwin* | *-mingw* | *-apple-darwin* | *djgpp*) ;; 1930 *) if test x"$enable_lto" = x"yes"; then 1931 AC_MSG_ERROR([LTO support is not enabled for this target.]) 1932 fi 1933 ;; 1934 esac 1935 fi 1936 # Among non-ELF, only Windows platforms support the lto-plugin so far. 1937 # Build it unless LTO was explicitly disabled. 1938 case $target in 1939 *-cygwin* | *-mingw*) build_lto_plugin=$enable_lto ;; 1940 *) ;; 1941 esac 1942]) 1943 1944AC_ARG_ENABLE(linker-plugin-configure-flags, 1945 [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]], 1946 [additional flags for configuring linker plugins @<:@none@:>@])], 1947 extra_linker_plugin_configure_flags=$enableval, 1948 extra_linker_plugin_configure_flags=) 1949AC_SUBST(extra_linker_plugin_configure_flags) 1950AC_ARG_ENABLE(linker-plugin-flags, 1951 [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]], 1952 [additional flags for configuring and building linker plugins @<:@none@:>@])], 1953 extra_linker_plugin_flags=$enableval, 1954 extra_linker_plugin_flags=) 1955AC_SUBST(extra_linker_plugin_flags) 1956 1957# Enable --enable-host-shared. 1958# Checked early to determine whether jit is an 'all' language 1959AC_ARG_ENABLE(host-shared, 1960[AS_HELP_STRING([--enable-host-shared], 1961 [build host code as shared libraries])], 1962[host_shared=$enableval 1963 case $host in 1964 x86_64-*-darwin* | aarch64-*-darwin*) 1965 if test x$host_shared != xyes ; then 1966 # PIC is the default, and actually cannot be switched off. 1967 echo configure.ac: warning: PIC code is required for the configured target, host-shared setting ignored. 1>&2 1968 host_shared=yes 1969 fi ;; 1970 *) ;; 1971 esac], 1972[case $host in 1973 x86_64-*-darwin* | aarch64-*-darwin*) host_shared=yes ;; 1974 *) host_shared=no ;; 1975 esac]) 1976AC_SUBST(host_shared) 1977 1978# By default, C and C++ are the only stage 1 languages. 1979stage1_languages=,c, 1980 1981# Target libraries that we bootstrap. 1982bootstrap_target_libs=,target-libgcc, 1983 1984# Figure out what language subdirectories are present. 1985# Look if the user specified --enable-languages="..."; if not, use 1986# the environment variable $LANGUAGES if defined. $LANGUAGES might 1987# go away some day. 1988# NB: embedded tabs in this IF block -- do not untabify 1989if test -d ${srcdir}/gcc; then 1990 if test x"${enable_languages+set}" != xset; then 1991 if test x"${LANGUAGES+set}" = xset; then 1992 enable_languages="${LANGUAGES}" 1993 echo configure.ac: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2 1994 else 1995 enable_languages=default 1996 fi 1997 else 1998 if test x"${enable_languages}" = x || 1999 test x"${enable_languages}" = xyes; 2000 then 2001 echo configure.ac: --enable-languages needs at least one language argument 1>&2 2002 exit 1 2003 fi 2004 fi 2005 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'` 2006 2007 # 'f95' is the old name for the 'fortran' language. We issue a warning 2008 # and make the substitution. 2009 case ,${enable_languages}, in 2010 *,f95,*) 2011 echo configure.ac: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2 2012 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'` 2013 ;; 2014 esac 2015 2016 # If bootstrapping, C++ must be enabled. 2017 case ",$enable_languages,:$enable_bootstrap" in 2018 *,c++,*:*) ;; 2019 *:yes) 2020 if test -f ${srcdir}/gcc/cp/config-lang.in; then 2021 enable_languages="${enable_languages},c++" 2022 else 2023 AC_MSG_ERROR([bootstrapping requires c++ sources]) 2024 fi 2025 ;; 2026 esac 2027 2028 # First scan to see if an enabled language requires some other language. 2029 # We assume that a given config-lang.in will list all the language 2030 # front ends it requires, even if some are required indirectly. 2031 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do 2032 case ${lang_frag} in 2033 ..) ;; 2034 # The odd quoting in the next line works around 2035 # an apparent bug in bash 1.12 on linux. 2036 ${srcdir}/gcc/[[*]]/config-lang.in) ;; 2037 *) 2038 # From the config-lang.in, get $language, $lang_requires, and 2039 # $lang_requires_boot_languages. 2040 language= 2041 lang_requires= 2042 lang_requires_boot_languages= 2043 # set srcdir during sourcing lang_frag to the gcc dir. 2044 # Sadly overriding srcdir on the . line doesn't work in plain sh as it 2045 # polutes this shell 2046 saved_srcdir=${srcdir} 2047 srcdir=${srcdir}/gcc . ${lang_frag} 2048 srcdir=${saved_srcdir} 2049 for other in ${lang_requires} ${lang_requires_boot_languages}; do 2050 case ,${enable_languages}, in 2051 *,$other,*) ;; 2052 *,default,*) ;; 2053 *,all,*) ;; 2054 *,$language,*) 2055 echo " \`$other' language required by \`$language'; enabling" 1>&2 2056 enable_languages="${enable_languages},${other}" 2057 ;; 2058 esac 2059 done 2060 for other in ${lang_requires_boot_languages} ; do 2061 if test "$other" != "c"; then 2062 case ,${enable_stage1_languages}, in 2063 *,$other,*) ;; 2064 *,default,*) ;; 2065 *,all,*) ;; 2066 *) 2067 case ,${enable_languages}, in 2068 *,$language,*) 2069 echo " '$other' language required by '$language' in stage 1; enabling" 1>&2 2070 enable_stage1_languages="$enable_stage1_languages,${other}" 2071 ;; 2072 esac 2073 ;; 2074 esac 2075 fi 2076 done 2077 ;; 2078 esac 2079 done 2080 2081 new_enable_languages=,c, 2082 2083 # If LTO is enabled, add the LTO front end. 2084 if test "$enable_lto" = "yes" ; then 2085 case ,${enable_languages}, in 2086 *,lto,*) ;; 2087 *) enable_languages="${enable_languages},lto" ;; 2088 esac 2089 if test "${build_lto_plugin}" = "yes" ; then 2090 configdirs="$configdirs lto-plugin" 2091 fi 2092 fi 2093 2094 # If we're building an offloading compiler, add the LTO front end. 2095 if test x"$enable_as_accelerator_for" != x ; then 2096 case ,${enable_languages}, in 2097 *,lto,*) ;; 2098 *) enable_languages="${enable_languages},lto" ;; 2099 esac 2100 fi 2101 2102 missing_languages=`echo ",$enable_languages," | sed -e s/,default,/,/ -e s/,all,/,/ -e s/,c,/,/ ` 2103 potential_languages=,c, 2104 2105 enabled_target_libs= 2106 disabled_target_libs= 2107 2108 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do 2109 case ${lang_frag} in 2110 ..) ;; 2111 # The odd quoting in the next line works around 2112 # an apparent bug in bash 1.12 on linux. 2113 ${srcdir}/gcc/[[*]]/config-lang.in) ;; 2114 *) 2115 # From the config-lang.in, get $language, $target_libs, 2116 # $lang_dirs, $boot_language, and $build_by_default 2117 language= 2118 target_libs= 2119 lang_dirs= 2120 subdir_requires= 2121 boot_language=no 2122 build_by_default=yes 2123 # set srcdir during sourcing. See above about save & restore 2124 saved_srcdir=${srcdir} 2125 srcdir=${srcdir}/gcc . ${lang_frag} 2126 srcdir=${saved_srcdir} 2127 if test x${language} = x; then 2128 echo "${lang_frag} doesn't set \$language." 1>&2 2129 exit 1 2130 fi 2131 2132 if test "$language" = "c++"; then 2133 boot_language=yes 2134 fi 2135 2136 add_this_lang=no 2137 # C is always enabled, so no need to add it again 2138 if test "$language" != "c"; then 2139 case ,${enable_languages}, in 2140 *,${language},*) 2141 # Language was explicitly selected; include it 2142 add_this_lang=yes 2143 ;; 2144 *,all,*) 2145 # All languages are enabled 2146 add_this_lang=all 2147 ;; 2148 *,default,*) 2149 # 'default' was selected, select it if it is a default language 2150 add_this_lang=${build_by_default} 2151 ;; 2152 esac 2153 fi 2154 2155 # Disable languages that need other directories if these aren't available. 2156 for i in $subdir_requires; do 2157 test -f "$srcdir/gcc/$i/config-lang.in" && continue 2158 case ${add_this_lang} in 2159 yes) 2160 # Specifically requested language; tell them. 2161 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing]) 2162 ;; 2163 all) 2164 AC_MSG_WARN([The gcc/$i directory contains parts of $language but is missing]) 2165 add_this_lang=unsupported 2166 ;; 2167 *) 2168 # Silently disable. 2169 add_this_lang=unsupported 2170 ;; 2171 esac 2172 done 2173 2174 # Disable Ada if no preexisting GNAT is available. 2175 case ${add_this_lang}:${language}:${have_gnat} in 2176 yes:ada:no) 2177 # Specifically requested language; tell them. 2178 AC_MSG_ERROR([GNAT is required to build $language]) 2179 ;; 2180 all:ada:no) 2181 AC_MSG_WARN([GNAT is required to build $language]) 2182 add_this_lang=unsupported 2183 ;; 2184 *:ada:no) 2185 # Silently disable. 2186 add_this_lang=unsupported 2187 ;; 2188 esac 2189 2190 # Disable D if no preexisting GDC is available. 2191 case ${add_this_lang}:${language}:${have_gdc} in 2192 yes:d:no) 2193 # Specifically requested language; tell them. 2194 AC_MSG_ERROR([GDC is required to build $language]) 2195 ;; 2196 all:d:no) 2197 AC_MSG_WARN([GDC is required to build $language]) 2198 add_this_lang=unsupported 2199 ;; 2200 *:d:no) 2201 # Silently disable. 2202 add_this_lang=unsupported 2203 ;; 2204 esac 2205 2206 # Disable jit if -enable-host-shared not specified 2207 # but not if building for Mingw. All code in Windows 2208 # is position independent code (PIC). 2209 case $target in 2210 *mingw*) ;; 2211 *) 2212 case ${add_this_lang}:${language}:${host_shared} in 2213 yes:jit:no) 2214 # PR jit/64780: explicitly specify --enable-host-shared 2215 AC_MSG_ERROR([ 2216Enabling language "jit" requires --enable-host-shared. 2217 2218--enable-host-shared typically slows the rest of the compiler down by 2219a few %, so you must explicitly enable it. 2220 2221If you want to build both the jit and the regular compiler, it is often 2222best to do this via two separate configure/builds, in separate 2223directories, to avoid imposing the performance cost of 2224--enable-host-shared on the regular compiler.]) 2225 ;; 2226 all:jit:no) 2227 AC_MSG_WARN([--enable-host-shared required to build $language]) 2228 add_this_lang=unsupported 2229 ;; 2230 *:jit:no) 2231 # Silently disable. 2232 add_this_lang=unsupported 2233 ;; 2234 esac 2235 ;; 2236 esac 2237 2238 # Disable a language that is unsupported by the target. 2239 case "${add_this_lang}: $unsupported_languages " in 2240 no:*) ;; 2241 unsupported:*) ;; 2242 *:*" $language "*) 2243 AC_MSG_WARN([${language} not supported for this target]) 2244 add_this_lang=unsupported 2245 ;; 2246 esac 2247 2248 case $add_this_lang in 2249 unsupported) 2250 # Remove language-dependent dirs. 2251 disabled_target_libs="$disabled_target_libs $target_libs" 2252 noconfigdirs="$noconfigdirs $lang_dirs" 2253 ;; 2254 no) 2255 # Remove language-dependent dirs; still show language as supported. 2256 disabled_target_libs="$disabled_target_libs $target_libs" 2257 noconfigdirs="$noconfigdirs $lang_dirs" 2258 potential_languages="${potential_languages}${language}," 2259 ;; 2260 all|yes) 2261 new_enable_languages="${new_enable_languages}${language}," 2262 potential_languages="${potential_languages}${language}," 2263 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"` 2264 enabled_target_libs="$enabled_target_libs $target_libs" 2265 case "${boot_language}:,$enable_stage1_languages," in 2266 yes:* | *:*,$language,* | *:*,yes, | *:*,all,) 2267 # Add to (comma-separated) list of stage 1 languages. 2268 case ",$stage1_languages," in 2269 *,$language,* | ,yes, | ,all,) ;; 2270 *) stage1_languages="${stage1_languages}${language}," ;; 2271 esac 2272 # We need to bootstrap any supporting libraries. 2273 bootstrap_target_libs=`echo "${bootstrap_target_libs}${target_libs}," | sed "s/ /,/g"` 2274 ;; 2275 esac 2276 ;; 2277 esac 2278 ;; 2279 esac 2280 done 2281 2282 # Add target libraries which are only needed for disabled languages 2283 # to noconfigdirs. 2284 if test -n "$disabled_target_libs"; then 2285 for dir in $disabled_target_libs; do 2286 case " $enabled_target_libs " in 2287 *" ${dir} "*) ;; 2288 *) noconfigdirs="$noconfigdirs $dir" ;; 2289 esac 2290 done 2291 fi 2292 2293 AC_ARG_ENABLE(stage1-languages, 2294 [AS_HELP_STRING([[--enable-stage1-languages[=all]]], 2295 [choose additional languages to build during 2296 stage1. Mostly useful for compiler development])], 2297 [case ,${enable_stage1_languages}, in 2298 ,no,|,,) 2299 # Set it to something that will have no effect in the loop below 2300 enable_stage1_languages=c ;; 2301 ,yes,) 2302 enable_stage1_languages=`echo $new_enable_languages | \ 2303 sed -e "s/^,//" -e "s/,$//" ` ;; 2304 *,all,*) 2305 enable_stage1_languages=`echo ,$enable_stage1_languages, | \ 2306 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;; 2307 esac 2308 2309 # Add "good" languages from enable_stage1_languages to stage1_languages, 2310 # while "bad" languages go in missing_languages. Leave no duplicates. 2311 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do 2312 case $potential_languages in 2313 *,$i,*) 2314 case $stage1_languages in 2315 *,$i,*) ;; 2316 *) stage1_languages="$stage1_languages$i," ;; 2317 esac ;; 2318 *) 2319 case $missing_languages in 2320 *,$i,*) ;; 2321 *) missing_languages="$missing_languages$i," ;; 2322 esac ;; 2323 esac 2324 done]) 2325 2326 # Remove leading/trailing commas that were added for simplicity 2327 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"` 2328 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"` 2329 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"` 2330 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"` 2331 2332 if test "x$missing_languages" != x; then 2333 AC_MSG_ERROR([ 2334The following requested languages could not be built: ${missing_languages} 2335Supported languages are: ${potential_languages}]) 2336 fi 2337 if test "x$new_enable_languages" != "x$enable_languages"; then 2338 echo The following languages will be built: ${new_enable_languages} 2339 enable_languages="$new_enable_languages" 2340 fi 2341 2342 AC_SUBST(stage1_languages) 2343 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" ` 2344fi 2345 2346# Handle --disable-<component> generically. 2347for dir in $configdirs $build_configdirs $target_configdirs ; do 2348 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g` 2349 varname=`echo $dirname | sed -e s/+/_/g` 2350 if eval test x\${enable_${varname}} "=" xno ; then 2351 noconfigdirs="$noconfigdirs $dir" 2352 fi 2353done 2354 2355# Check for Boehm's garbage collector 2356AC_ARG_ENABLE(objc-gc, 2357[AS_HELP_STRING([--enable-objc-gc], 2358 [enable use of Boehm's garbage collector with the 2359 GNU Objective-C runtime])]) 2360AC_ARG_WITH([target-bdw-gc], 2361[AS_HELP_STRING([--with-target-bdw-gc=PATHLIST], 2362 [specify prefix directory for installed bdw-gc package. 2363 Equivalent to --with-target-bdw-gc-include=PATH/include 2364 plus --with-target-bdw-gc-lib=PATH/lib])]) 2365AC_ARG_WITH([target-bdw-gc-include], 2366[AS_HELP_STRING([--with-target-bdw-gc-include=PATHLIST], 2367 [specify directories for installed bdw-gc include files])]) 2368AC_ARG_WITH([target-bdw-gc-lib], 2369[AS_HELP_STRING([--with-target-bdw-gc-lib=PATHLIST], 2370 [specify directories for installed bdw-gc library])]) 2371 2372case ,${enable_languages},:${enable_objc_gc} in *,objc,*:yes|*,objc,*:auto) 2373 AC_MSG_CHECKING([for bdw garbage collector]) 2374 if test "x$with_target_bdw_gc$with_target_bdw_gc_include$with_target_bdw_gc_lib" = x; then 2375 dnl no bdw-gw options, assume default locations 2376 AC_MSG_RESULT([using bdw-gc in default locations]) 2377 else 2378 dnl bdw-gw options, first error checking, complete checking in libobjc 2379 if test "x$with_target_bdw_gc_include" = x && test "x$with_target_bdw_gc_lib" != x; then 2380 AC_MSG_ERROR([found --with-target-bdw-gc-lib but --with-target-bdw-gc-include missing]) 2381 elif test "x$with_target_bdw_gc_include" != x && test "x$with_target_bdw_gc_lib" = x; then 2382 AC_MSG_ERROR([found --with-target-bdw-gc-include but --with-target-bdw-gc-lib missing]) 2383 else 2384 AC_MSG_RESULT([using paths configured with --with-target-bdw-gc options]) 2385 fi 2386 fi 2387esac 2388 2389# Disable libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++ 2390case ,${enable_languages}, in 2391 *,c++,*) 2392 # Disable libitm, libsanitizer if we're not building libstdc++ 2393 case "${noconfigdirs}" in 2394 *target-libstdc++-v3*) 2395 noconfigdirs="$noconfigdirs target-libitm target-libsanitizer" 2396 ;; 2397 *) ;; 2398 esac 2399 ;; 2400 *) 2401 noconfigdirs="$noconfigdirs target-liboffloadmic target-libitm target-libsanitizer target-libvtv" 2402 ;; 2403esac 2404 2405# If gcc/ is not in the source tree then we'll not be building a 2406# target compiler, assume in that case we don't want to build any 2407# target libraries or tools. 2408# 2409# This was added primarily for the benefit for binutils-gdb who reuse 2410# this configure script, but don't always have target tools available. 2411if test ! -d ${srcdir}/gcc; then 2412 skipdirs="${skipdirs} ${target_configdirs}" 2413fi 2414 2415# Remove the entries in $skipdirs and $noconfigdirs from $configdirs, 2416# $build_configdirs and $target_configdirs. 2417# If we have the source for $noconfigdirs entries, add them to $notsupp. 2418 2419notsupp="" 2420for dir in . $skipdirs $noconfigdirs ; do 2421 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g` 2422 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2423 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"` 2424 if test -r $srcdir/$dirname/configure ; then 2425 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2426 true 2427 else 2428 notsupp="$notsupp $dir" 2429 fi 2430 fi 2431 fi 2432 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2433 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"` 2434 if test -r $srcdir/$dirname/configure ; then 2435 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2436 true 2437 else 2438 notsupp="$notsupp $dir" 2439 fi 2440 fi 2441 fi 2442 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2443 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"` 2444 if test -r $srcdir/$dirname/configure ; then 2445 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2446 true 2447 else 2448 notsupp="$notsupp $dir" 2449 fi 2450 fi 2451 fi 2452done 2453 2454# Quietly strip out all directories which aren't configurable in this tree. 2455# This relies on all configurable subdirectories being autoconfiscated, which 2456# is now the case. 2457build_configdirs_all="$build_configdirs" 2458build_configdirs= 2459for i in ${build_configdirs_all} ; do 2460 j=`echo $i | sed -e s/build-//g` 2461 if test -f ${srcdir}/$j/configure ; then 2462 build_configdirs="${build_configdirs} $i" 2463 fi 2464done 2465 2466configdirs_all="$configdirs" 2467configdirs= 2468for i in ${configdirs_all} ; do 2469 if test -f ${srcdir}/$i/configure ; then 2470 configdirs="${configdirs} $i" 2471 fi 2472done 2473 2474target_configdirs_all="$target_configdirs" 2475target_configdirs= 2476for i in ${target_configdirs_all} ; do 2477 j=`echo $i | sed -e s/target-//g` 2478 if test -f ${srcdir}/$j/configure ; then 2479 target_configdirs="${target_configdirs} $i" 2480 fi 2481done 2482 2483# libiberty-linker-plugin is special: it doesn't have its own source directory, 2484# so we have to add it after the preceding checks. 2485if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x 2486then 2487 case " $configdirs " in 2488 *" libiberty "*) 2489 # If we can build libiberty, we can also build libiberty-linker-plugin. 2490 configdirs="$configdirs libiberty-linker-plugin" 2491 extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \ 2492 --with-libiberty=../libiberty-linker-plugin";; 2493 *) 2494 AC_MSG_ERROR([libiberty missing]);; 2495 esac 2496fi 2497 2498# Sometimes we have special requirements for the host libiberty. 2499extra_host_libiberty_configure_flags= 2500case " $configdirs " in 2501 *" lto-plugin "* | *" libcc1 "* | *" gdbserver "*) 2502 # When these are to be built as shared libraries, the same applies to 2503 # libiberty. 2504 extra_host_libiberty_configure_flags=--enable-shared 2505 ;; 2506esac 2507AC_SUBST(extra_host_libiberty_configure_flags) 2508 2509# Sometimes we have special requirements for the host zlib. 2510extra_host_zlib_configure_flags= 2511case " $configdirs " in 2512 *" bfd "*) 2513 # When bfd is to be built as a shared library, the same applies to 2514 # zlib. 2515 if test "$enable_shared" = "yes"; then 2516 extra_host_zlib_configure_flags=--enable-host-shared 2517 fi 2518 ;; 2519esac 2520AC_SUBST(extra_host_zlib_configure_flags) 2521 2522# Produce a warning message for the subdirs we can't configure. 2523# This isn't especially interesting in the Cygnus tree, but in the individual 2524# FSF releases, it's important to let people know when their machine isn't 2525# supported by the one or two programs in a package. 2526 2527if test -n "${notsupp}" && test -z "${norecursion}" ; then 2528 # If $appdirs is non-empty, at least one of those directories must still 2529 # be configured, or we error out. (E.g., if the gas release supports a 2530 # specified target in some subdirs but not the gas subdir, we shouldn't 2531 # pretend that all is well.) 2532 if test -n "$appdirs" ; then 2533 for dir in $appdirs ; do 2534 if test -r $dir/Makefile.in ; then 2535 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2536 appdirs="" 2537 break 2538 fi 2539 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then 2540 appdirs="" 2541 break 2542 fi 2543 fi 2544 done 2545 if test -n "$appdirs" ; then 2546 echo "*** This configuration is not supported by this package." 1>&2 2547 exit 1 2548 fi 2549 fi 2550 # Okay, some application will build, or we don't care to check. Still 2551 # notify of subdirs not getting built. 2552 echo "*** This configuration is not supported in the following subdirectories:" 1>&2 2553 echo " ${notsupp}" 1>&2 2554 echo " (Any other directories should still work fine.)" 1>&2 2555fi 2556 2557case "$host" in 2558 *msdosdjgpp*) 2559 enable_gdbtk=no ;; 2560esac 2561 2562# To find our prefix, in gcc_cv_tool_prefix. 2563ACX_TOOL_DIRS 2564 2565copy_dirs= 2566 2567AC_ARG_WITH([build-sysroot], 2568 [AS_HELP_STRING([--with-build-sysroot=SYSROOT], 2569 [use sysroot as the system root during the build])], 2570 [if test x"$withval" != x ; then 2571 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval" 2572 fi], 2573 [SYSROOT_CFLAGS_FOR_TARGET=]) 2574AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET) 2575 2576AC_ARG_WITH([debug-prefix-map], 2577 [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'], 2578 [map A to B, C to D ... in debug information])], 2579 [if test x"$withval" != x; then 2580 DEBUG_PREFIX_CFLAGS_FOR_TARGET= 2581 for debug_map in $withval; do 2582 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map" 2583 done 2584 fi], 2585 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=]) 2586AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET) 2587 2588# During gcc bootstrap, if we use some random cc for stage1 then CFLAGS 2589# might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS 2590# might also be empty (or "-g", if a non-GCC C++ compiler is in the path). 2591# We want to ensure that TARGET libraries (which we know are built with 2592# gcc) are built with "-O2 -g", so include those options when setting 2593# CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET. 2594if test "x$CFLAGS_FOR_TARGET" = x; then 2595 if test "x${is_cross_compiler}" = xyes; then 2596 CFLAGS_FOR_TARGET="-g -O2" 2597 else 2598 CFLAGS_FOR_TARGET=$CFLAGS 2599 case " $CFLAGS " in 2600 *" -O2 "*) ;; 2601 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;; 2602 esac 2603 case " $CFLAGS " in 2604 *" -g "* | *" -g3 "*) ;; 2605 *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;; 2606 esac 2607 fi 2608fi 2609AC_SUBST(CFLAGS_FOR_TARGET) 2610 2611if test "x$CXXFLAGS_FOR_TARGET" = x; then 2612 if test "x${is_cross_compiler}" = xyes; then 2613 CXXFLAGS_FOR_TARGET="-g -O2" 2614 else 2615 CXXFLAGS_FOR_TARGET=$CXXFLAGS 2616 case " $CXXFLAGS " in 2617 *" -O2 "*) ;; 2618 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;; 2619 esac 2620 case " $CXXFLAGS " in 2621 *" -g "* | *" -g3 "*) ;; 2622 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;; 2623 esac 2624 fi 2625fi 2626AC_SUBST(CXXFLAGS_FOR_TARGET) 2627 2628AC_SUBST(LDFLAGS_FOR_TARGET) 2629 2630# Handle --with-headers=XXX. If the value is not "yes", the contents of 2631# the named directory are copied to $(tooldir)/sys-include. 2632if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then 2633 if test x${is_cross_compiler} = xno ; then 2634 echo 1>&2 '***' --with-headers is only supported when cross compiling 2635 exit 1 2636 fi 2637 if test x"${with_headers}" != xyes ; then 2638 x=${gcc_cv_tool_prefix} 2639 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include" 2640 fi 2641fi 2642 2643# Handle --with-libs=XXX. If the value is not "yes", the contents of 2644# the name directories are copied to $(tooldir)/lib. Multiple directories 2645# are permitted. 2646if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then 2647 if test x${is_cross_compiler} = xno ; then 2648 echo 1>&2 '***' --with-libs is only supported when cross compiling 2649 exit 1 2650 fi 2651 if test x"${with_libs}" != xyes ; then 2652 # Copy the libraries in reverse order, so that files in the first named 2653 # library override files in subsequent libraries. 2654 x=${gcc_cv_tool_prefix} 2655 for l in ${with_libs}; do 2656 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}" 2657 done 2658 fi 2659fi 2660 2661# Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate. 2662# 2663# This is done by determining whether or not the appropriate directory 2664# is available, and by checking whether or not specific configurations 2665# have requested that this magic not happen. 2666# 2667# The command line options always override the explicit settings in 2668# configure.ac, and the settings in configure.ac override this magic. 2669# 2670# If the default for a toolchain is to use GNU as and ld, and you don't 2671# want to do that, then you should use the --without-gnu-as and 2672# --without-gnu-ld options for the configure script. Similarly, if 2673# the default is to use the included zlib and you don't want to do that, 2674# you should use the --with-system-zlib option for the configure script. 2675 2676if test x${use_gnu_as} = x && 2677 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then 2678 with_gnu_as=yes 2679 extra_host_args="$extra_host_args --with-gnu-as" 2680fi 2681 2682if test x${use_gnu_ld} = x && 2683 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then 2684 with_gnu_ld=yes 2685 extra_host_args="$extra_host_args --with-gnu-ld" 2686fi 2687 2688if test x${use_included_zlib} = x && 2689 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then 2690 : 2691else 2692 with_system_zlib=yes 2693 extra_host_args="$extra_host_args --with-system-zlib" 2694fi 2695 2696# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure 2697# can detect this case. 2698 2699if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then 2700 with_newlib=yes 2701 extra_host_args="$extra_host_args --with-newlib" 2702fi 2703 2704# Handle ${copy_dirs} 2705set fnord ${copy_dirs} 2706shift 2707while test $# != 0 ; do 2708 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then 2709 : 2710 else 2711 echo Copying $1 to $2 2712 2713 # Use the install script to create the directory and all required 2714 # parent directories. 2715 if test -d $2 ; then 2716 : 2717 else 2718 echo >config.temp 2719 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED 2720 fi 2721 2722 # Copy the directory, assuming we have tar. 2723 # FIXME: Should we use B in the second tar? Not all systems support it. 2724 (cd $1; tar -cf - .) | (cd $2; tar -xpf -) 2725 2726 # It is the responsibility of the user to correctly adjust all 2727 # symlinks. If somebody can figure out how to handle them correctly 2728 # here, feel free to add the code. 2729 2730 echo $1 > $2/COPIED 2731 fi 2732 shift; shift 2733done 2734 2735# Determine a target-dependent exec_prefix that the installed 2736# gcc will search in. Keep this list sorted by triplet, with 2737# the *-*-osname triplets last. 2738md_exec_prefix= 2739case "${target}" in 2740 i[[34567]]86-pc-msdosdjgpp*) 2741 md_exec_prefix=/dev/env/DJDIR/bin 2742 ;; 2743 *-*-hpux* | \ 2744 *-*-nto-qnx* | \ 2745 *-*-solaris2*) 2746 md_exec_prefix=/usr/ccs/bin 2747 ;; 2748esac 2749 2750extra_arflags_for_target= 2751extra_nmflags_for_target= 2752extra_ranlibflags_for_target= 2753target_makefile_frag=/dev/null 2754case "${target}" in 2755 spu-*-*) 2756 target_makefile_frag="config/mt-spu" 2757 ;; 2758 mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*) 2759 target_makefile_frag="config/mt-sde" 2760 ;; 2761 mipsisa*-*-elfoabi*) 2762 target_makefile_frag="config/mt-mips-elfoabi" 2763 ;; 2764 mips*-*-*linux* | mips*-*-gnu*) 2765 target_makefile_frag="config/mt-mips-gnu" 2766 ;; 2767 nios2-*-elf*) 2768 target_makefile_frag="config/mt-nios2-elf" 2769 ;; 2770 *-*-linux-android*) 2771 target_makefile_frag="config/mt-android" 2772 ;; 2773 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 2774 target_makefile_frag="config/mt-gnu" 2775 ;; 2776 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*) 2777 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm 2778 # commands to handle both 32-bit and 64-bit objects. These flags are 2779 # harmless if we're using GNU nm or ar. 2780 extra_arflags_for_target=" -X32_64" 2781 extra_nmflags_for_target=" -B -X32_64" 2782 ;; 2783esac 2784 2785alphaieee_frag=/dev/null 2786case $target in 2787 alpha*-*-*) 2788 # This just makes sure to use the -mieee option to build target libs. 2789 # This should probably be set individually by each library. 2790 alphaieee_frag="config/mt-alphaieee" 2791 ;; 2792esac 2793 2794# If --enable-target-optspace always use -Os instead of -O2 to build 2795# the target libraries, similarly if it is not specified, use -Os 2796# on selected platforms. 2797ospace_frag=/dev/null 2798case "${enable_target_optspace}:${target}" in 2799 yes:*) 2800 ospace_frag="config/mt-ospace" 2801 ;; 2802 :d30v-*) 2803 ospace_frag="config/mt-d30v" 2804 ;; 2805 :m32r-* | :d10v-* | :fr30-* | :i?86*-*-elfiamcu) 2806 ospace_frag="config/mt-ospace" 2807 ;; 2808 no:* | :*) 2809 ;; 2810 *) 2811 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2 2812 ;; 2813esac 2814 2815# Some systems (e.g., one of the i386-aix systems the gas testers are 2816# using) don't handle "\$" correctly, so don't use it here. 2817tooldir='${exec_prefix}'/${target_noncanonical} 2818build_tooldir=${tooldir} 2819 2820# Create a .gdbinit file which runs the one in srcdir 2821# and tells GDB to look there for source files. 2822 2823if test -r ${srcdir}/.gdbinit ; then 2824 case ${srcdir} in 2825 .) ;; 2826 *) cat > ./.gdbinit <<EOF 2827# ${NO_EDIT} 2828dir ${srcdir} 2829dir . 2830source ${srcdir}/.gdbinit 2831EOF 2832 ;; 2833 esac 2834fi 2835 2836# Make sure that the compiler is able to generate an executable. If it 2837# can't, we are probably in trouble. We don't care whether we can run the 2838# executable--we might be using a cross compiler--we only care whether it 2839# can be created. At this point the main configure script has set CC. 2840we_are_ok=no 2841echo "int main () { return 0; }" > conftest.c 2842${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c 2843if test $? = 0 ; then 2844 if test -s conftest || test -s conftest.exe ; then 2845 we_are_ok=yes 2846 fi 2847fi 2848case $we_are_ok in 2849 no) 2850 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed." 2851 echo 1>&2 "*** You must set the environment variable CC to a working compiler." 2852 rm -f conftest* 2853 exit 1 2854 ;; 2855esac 2856rm -f conftest* 2857 2858# Decide which environment variable is used to find dynamic libraries. 2859case "${host}" in 2860 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;; 2861 *-*-darwin*) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;; 2862 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;; 2863 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;; 2864esac 2865 2866# On systems where the dynamic library environment variable is PATH, 2867# gcc/ will put dynamic libraries into a subdirectory to avoid adding 2868# built executables to PATH. 2869if test "$RPATH_ENVVAR" = PATH; then 2870 GCC_SHLIB_SUBDIR=/shlib 2871else 2872 GCC_SHLIB_SUBDIR= 2873fi 2874 2875# Adjust the toplevel makefile according to whether bootstrap was selected. 2876case $enable_bootstrap in 2877 yes) 2878 bootstrap_suffix=bootstrap 2879 BUILD_CONFIG=bootstrap-debug 2880 ;; 2881 no) 2882 bootstrap_suffix=no-bootstrap 2883 BUILD_CONFIG= 2884 ;; 2885esac 2886 2887AC_MSG_CHECKING(for default BUILD_CONFIG) 2888 2889AC_ARG_WITH([build-config], 2890 [AS_HELP_STRING([--with-build-config='NAME NAME2...'], 2891 [use config/NAME.mk build configuration])], 2892 [case $with_build_config in 2893 yes) with_build_config= ;; 2894 no) with_build_config= BUILD_CONFIG= ;; 2895 esac]) 2896 2897if test "x${with_build_config}" != x; then 2898 BUILD_CONFIG=$with_build_config 2899else 2900 case $BUILD_CONFIG in 2901 bootstrap-debug) 2902 if echo "int f (void) { return 0; }" > conftest.c && 2903 ${CC} -c conftest.c && 2904 mv conftest.o conftest.o.g0 && 2905 ${CC} -c -g conftest.c && 2906 mv conftest.o conftest.o.g && 2907 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then 2908 : 2909 else 2910 BUILD_CONFIG= 2911 fi 2912 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g 2913 ;; 2914 esac 2915fi 2916AC_MSG_RESULT($BUILD_CONFIG) 2917AC_SUBST(BUILD_CONFIG) 2918 2919# Use same top-level configure hooks in libgcc/libstdc++/libvtv. 2920AC_MSG_CHECKING([for --enable-vtable-verify]) 2921AC_ARG_ENABLE(vtable-verify, 2922[AS_HELP_STRING([--enable-vtable-verify], 2923 [Enable vtable verification feature])], 2924[case "$enableval" in 2925 yes) enable_vtable_verify=yes ;; 2926 no) enable_vtable_verify=no ;; 2927 *) enable_vtable_verify=no;; 2928 esac], 2929[enable_vtable_verify=no]) 2930AC_MSG_RESULT($enable_vtable_verify) 2931 2932# Record target_configdirs and the configure arguments for target and 2933# build configuration in Makefile. 2934target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'` 2935build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'` 2936bootstrap_fixincludes=no 2937 2938# If we are building libgomp, bootstrap it. 2939if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then 2940 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp, 2941fi 2942 2943# If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan 2944# or bootstrap-ubsan, bootstrap it. 2945if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then 2946 case "$BUILD_CONFIG" in 2947 *bootstrap-hwasan* | *bootstrap-asan* | *bootstrap-ubsan* ) 2948 bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer, 2949 bootstrap_fixincludes=yes 2950 ;; 2951 esac 2952fi 2953 2954# If we are building libvtv and --enable-vtable-verify, bootstrap it. 2955if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 && 2956 test "$enable_vtable_verify" != no; then 2957 bootstrap_target_libs=${bootstrap_target_libs}target-libvtv, 2958fi 2959 2960# If we are building libatomic and the list of enabled languages includes the 2961# D frontend, bootstrap it. 2962if echo " ${target_configdirs} " | grep " libatomic " > /dev/null 2>&1; then 2963 case ,${enable_languages}, in 2964 *,d,*) 2965 bootstrap_target_libs=${bootstrap_target_libs}target-libatomic, 2966 ;; 2967 esac 2968fi 2969 2970# Determine whether gdb needs tk/tcl or not. 2971# Use 'maybe' since enable_gdbtk might be true even if tk isn't available 2972# and in that case we want gdb to be built without tk. Ugh! 2973# In fact I believe gdb is the *only* package directly dependent on tk, 2974# so we should be able to put the 'maybe's in unconditionally and 2975# leave out the maybe dependencies when enable_gdbtk is false. I'm not 2976# 100% sure that that's safe though. 2977 2978gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui" 2979case "$enable_gdbtk" in 2980 no) 2981 GDB_TK="" ;; 2982 yes) 2983 GDB_TK="${gdb_tk}" ;; 2984 *) 2985 # Only add the dependency on gdbtk when GDBtk is part of the gdb 2986 # distro. Eventually someone will fix this and move Insight, nee 2987 # gdbtk to a separate directory. 2988 if test -d ${srcdir}/gdb/gdbtk ; then 2989 GDB_TK="${gdb_tk}" 2990 else 2991 GDB_TK="" 2992 fi 2993 ;; 2994esac 2995CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g` 2996INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g` 2997 2998# gdb and gdbserver depend on gnulib and gdbsupport, but as nothing 2999# else does, only include them if one of these is built. The Makefile 3000# provides the ordering, so it's enough here to add to the list. 3001case " ${configdirs} " in 3002 *\ gdb\ *) 3003 configdirs="${configdirs} gnulib gdbsupport" 3004 ;; 3005 *\ gdbserver\ *) 3006 configdirs="${configdirs} gnulib gdbsupport" 3007 ;; 3008 *\ sim\ *) 3009 configdirs="${configdirs} gnulib" 3010 ;; 3011esac 3012 3013# Strip out unwanted targets. 3014 3015# While at that, we remove Makefiles if we were started for recursive 3016# configuration, so that the top-level Makefile reconfigures them, 3017# like we used to do when configure itself was recursive. 3018 3019# Loop over modules. We used to use the "$extrasub" feature from Autoconf 3020# but now we're fixing up the Makefile ourselves with the additional 3021# commands passed to AC_CONFIG_FILES. Use separate variables 3022# extrasub-{build,host,target} not because there is any reason to split 3023# the substitutions up that way, but only to remain below the limit of 3024# 99 commands in a script, for HP-UX sed. 3025 3026# Do not nest @if/@endif or @unless/@endunless pairs, because 3027# configure will not warn you at all. 3028 3029case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in 3030 yes:yes:*\ gold\ *:*,c++,*) ;; 3031 yes:yes:*\ gold\ *:*) 3032 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages]) 3033 ;; 3034esac 3035 3036extrasub_build= 3037for module in ${build_configdirs} ; do 3038 if test -z "${no_recursion}" \ 3039 && test -f ${build_subdir}/${module}/Makefile; then 3040 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure" 3041 rm -f ${build_subdir}/${module}/Makefile 3042 fi 3043 extrasub_build="$extrasub_build 3044/^@if build-$module\$/d 3045/^@endif build-$module\$/d 3046/^@unless build-$module\$/,/^@endunless build-$module\$/d 3047/^@if build-$module-$bootstrap_suffix\$/d 3048/^@endif build-$module-$bootstrap_suffix\$/d 3049/^@unless build-$module-$bootstrap_suffix\$/,/^@endunless build-$module-$bootstrap_suffix\$/d" 3050done 3051extrasub_host= 3052for module in ${configdirs} ; do 3053 if test -z "${no_recursion}"; then 3054 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do 3055 if test -f ${file}; then 3056 echo 1>&2 "*** removing ${file} to force reconfigure" 3057 rm -f ${file} 3058 fi 3059 done 3060 fi 3061 case ${module},${bootstrap_fixincludes} in 3062 fixincludes,no) host_bootstrap_suffix=no-bootstrap ;; 3063 *) host_bootstrap_suffix=$bootstrap_suffix ;; 3064 esac 3065 extrasub_host="$extrasub_host 3066/^@if $module\$/d 3067/^@endif $module\$/d 3068/^@unless $module\$/,/^@endunless $module\$/d 3069/^@if $module-$host_bootstrap_suffix\$/d 3070/^@endif $module-$host_bootstrap_suffix\$/d 3071/^@unless $module-$host_bootstrap_suffix\$/,/^@endunless $module-$host_bootstrap_suffix\$/d" 3072done 3073extrasub_target= 3074for module in ${target_configdirs} ; do 3075 if test -z "${no_recursion}" \ 3076 && test -f ${target_subdir}/${module}/Makefile; then 3077 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure" 3078 rm -f ${target_subdir}/${module}/Makefile 3079 fi 3080 3081 # We only bootstrap target libraries listed in bootstrap_target_libs. 3082 case $bootstrap_target_libs in 3083 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;; 3084 *) target_bootstrap_suffix=no-bootstrap ;; 3085 esac 3086 3087 extrasub_target="$extrasub_target 3088/^@if target-$module\$/d 3089/^@endif target-$module\$/d 3090/^@unless target-$module\$/,/^@endunless target-$module\$/d 3091/^@if target-$module-$target_bootstrap_suffix\$/d 3092/^@endif target-$module-$target_bootstrap_suffix\$/d 3093/^@unless target-$module-$target_bootstrap_suffix\$/,/^@endunless target-$module-$target_bootstrap_suffix\$/d" 3094done 3095 3096# Do the final fixup along with target modules. 3097extrasub_target="$extrasub_target 3098/^@if /,/^@endif /d 3099/^@unless /d 3100/^@endunless /d" 3101 3102if test "$enable_pgo_build" != "no"; then 3103 extrasub_build="$extrasub_build 3104/^@if pgo-build\$/d 3105/^@endif pgo-build\$/d" 3106fi 3107 3108# Create the serialization dependencies. This uses a temporary file. 3109 3110AC_ARG_ENABLE([serial-configure], 3111[AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]], 3112 [force sequential configuration of 3113 sub-packages for the host, target or build 3114 machine, or all sub-packages])]) 3115 3116case ${enable_serial_configure} in 3117 yes) 3118 enable_serial_build_configure=yes 3119 enable_serial_host_configure=yes 3120 enable_serial_target_configure=yes 3121 ;; 3122esac 3123 3124# These force 'configure's to be done one at a time, to avoid problems 3125# with contention over a shared config.cache. 3126rm -f serdep.tmp 3127echo '# serdep.tmp' > serdep.tmp 3128olditem= 3129test "x${enable_serial_build_configure}" = xyes && 3130for item in ${build_configdirs} ; do 3131 case ${olditem} in 3132 "") ;; 3133 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;; 3134 esac 3135 olditem=${item} 3136done 3137olditem= 3138test "x${enable_serial_host_configure}" = xyes && 3139for item in ${configdirs} ; do 3140 case ${olditem} in 3141 "") ;; 3142 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;; 3143 esac 3144 olditem=${item} 3145done 3146olditem= 3147test "x${enable_serial_target_configure}" = xyes && 3148for item in ${target_configdirs} ; do 3149 case ${olditem} in 3150 "") ;; 3151 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;; 3152 esac 3153 olditem=${item} 3154done 3155serialization_dependencies=serdep.tmp 3156AC_SUBST_FILE(serialization_dependencies) 3157 3158# Base args. Strip norecursion, cache-file, srcdir, host, build, 3159# target, nonopt, and variable assignments. These are the ones we 3160# might not want to pass down to subconfigures. The exception being 3161# --cache-file=/dev/null, which is used to turn off the use of cache 3162# files altogether, and which should be passed on to subconfigures. 3163# Also strip program-prefix, program-suffix, and program-transform-name, 3164# so that we can pass down a consistent program-transform-name. 3165baseargs= 3166tbaseargs= 3167keep_next=no 3168skip_next=no 3169eval "set -- $ac_configure_args" 3170for ac_arg 3171do 3172 if test X"$skip_next" = X"yes"; then 3173 skip_next=no 3174 continue 3175 fi 3176 if test X"$keep_next" = X"yes"; then 3177 case $ac_arg in 3178 *\'*) 3179 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; 3180 esac 3181 baseargs="$baseargs '$ac_arg'" 3182 tbaseargs="$tbaseargs '$ac_arg'" 3183 keep_next=no 3184 continue 3185 fi 3186 3187 # Handle separated arguments. Based on the logic generated by 3188 # autoconf 2.59. 3189 case $ac_arg in 3190 *=* | --config-cache | -C | -disable-* | --disable-* \ 3191 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \ 3192 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \ 3193 | -with-* | --with-* | -without-* | --without-* | --x) 3194 separate_arg=no 3195 ;; 3196 -*) 3197 separate_arg=yes 3198 ;; 3199 *) 3200 separate_arg=no 3201 ;; 3202 esac 3203 3204 skip_targ=no 3205 case $ac_arg in 3206changequote(,) 3207 --with-* | --without-*) 3208 libopt=`echo "$ac_arg" | sed -e 's,^--[^-_]*[-_],,' -e 's,=.*$,,'` 3209 3210 case $libopt in 3211 *[-_]include) 3212 lib=`echo "$libopt" | sed 's,[-_]include$,,'` 3213 ;; 3214 *[-_]lib) 3215 lib=`echo "$libopt" | sed 's,[-_]lib$,,'` 3216 ;; 3217 *) 3218 lib=$libopt 3219 ;; 3220 esac 3221changequote([,]) 3222 3223 case $lib in 3224 mpc | mpfr | gmp | isl) 3225 # If we're processing --with-$lib, --with-$lib-include or 3226 # --with-$lib-lib, for one of the libs above, and target is 3227 # different from host, don't pass the current argument to any 3228 # target library's configure. 3229 if test x$is_cross_compiler = xyes; then 3230 skip_targ=yes 3231 fi 3232 ;; 3233 esac 3234 ;; 3235 esac 3236 3237 case "$ac_arg" in 3238 --cache-file=/dev/null | \ 3239 -cache-file=/dev/null ) 3240 # Handled here to avoid the test to skip args below. 3241 baseargs="$baseargs '$ac_arg'" 3242 tbaseargs="$tbaseargs '$ac_arg'" 3243 # Assert: $separate_arg should always be no. 3244 keep_next=$separate_arg 3245 ;; 3246 --no*) 3247 continue 3248 ;; 3249 --c* | \ 3250 --sr* | \ 3251 --ho* | \ 3252 --bu* | \ 3253 --t* | \ 3254 --program-* | \ 3255 -cache_file* | \ 3256 -srcdir* | \ 3257 -host* | \ 3258 -build* | \ 3259 -target* | \ 3260 -program-prefix* | \ 3261 -program-suffix* | \ 3262 -program-transform-name* ) 3263 skip_next=$separate_arg 3264 continue 3265 ;; 3266 -*) 3267 # An option. Add it. 3268 case $ac_arg in 3269 *\'*) 3270 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; 3271 esac 3272 baseargs="$baseargs '$ac_arg'" 3273 if test X"$skip_targ" = Xno; then 3274 tbaseargs="$tbaseargs '$ac_arg'" 3275 fi 3276 keep_next=$separate_arg 3277 ;; 3278 *) 3279 # Either a variable assignment, or a nonopt (triplet). Don't 3280 # pass it down; let the Makefile handle this. 3281 continue 3282 ;; 3283 esac 3284done 3285# Remove the initial space we just introduced and, as these will be 3286# expanded by make, quote '$'. 3287baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'` 3288 3289# Add in --program-transform-name, after --program-prefix and 3290# --program-suffix have been applied to it. Autoconf has already 3291# doubled dollar signs and backslashes in program_transform_name; we want 3292# the backslashes un-doubled, and then the entire thing wrapped in single 3293# quotes, because this will be expanded first by make and then by the shell. 3294# Also, because we want to override the logic in subdir configure scripts to 3295# choose program_transform_name, replace any s,x,x, with s,y,y,. 3296sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out 3297${program_transform_name} 3298EOF_SED 3299gcc_transform_name=`cat conftestsed.out` 3300rm -f conftestsed.out 3301baseargs="$baseargs --program-transform-name='${gcc_transform_name}'" 3302tbaseargs="$tbaseargs --program-transform-name='${gcc_transform_name}'" 3303if test "$silent" = yes; then 3304 baseargs="$baseargs --silent" 3305 tbaseargs="$tbaseargs --silent" 3306fi 3307 3308baseargs="$baseargs --disable-option-checking" 3309tbaseargs="$tbaseargs --disable-option-checking" 3310 3311if test "$enable_year2038" = no; then 3312 baseargs="$baseargs --disable-year2038" 3313 tbaseargs="$tbaseargs --disable-year2038" 3314fi 3315 3316# Record and document user additions to sub configure arguments. 3317AC_ARG_VAR([build_configargs], 3318 [additional configure arguments for build directories]) 3319AC_ARG_VAR([host_configargs], 3320 [additional configure arguments for host directories]) 3321AC_ARG_VAR([target_configargs], 3322 [additional configure arguments for target directories]) 3323 3324# For the build-side libraries, we just need to pretend we're native, 3325# and not use the same cache file. Multilibs are neither needed nor 3326# desired. We can't even use the same cache file for all build-side 3327# libraries, as they're compiled differently; some with C, some with 3328# C++ or with different feature-enabling options. 3329build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}" 3330 3331# For host modules, accept cache file option, or specification as blank. 3332case "${cache_file}" in 3333"") # empty 3334 cache_file_option="" ;; 3335/* | [[A-Za-z]]:[[\\/]]* ) # absolute path 3336 cache_file_option="--cache-file=${cache_file}" ;; 3337*) # relative path 3338 cache_file_option="--cache-file=../${cache_file}" ;; 3339esac 3340 3341# Host dirs don't like to share a cache file either, horribly enough. 3342# This seems to be due to autoconf 2.5x stupidity. 3343host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}" 3344 3345target_configargs="$target_configargs ${tbaseargs}" 3346 3347# Passing a --with-cross-host argument lets the target libraries know 3348# whether they are being built with a cross-compiler or being built 3349# native. However, it would be better to use other mechanisms to make the 3350# sorts of decisions they want to make on this basis. Please consider 3351# this option to be deprecated. FIXME. 3352if test x${is_cross_compiler} = xyes ; then 3353 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}" 3354fi 3355 3356# Special user-friendly check for native x86_64-linux build, if 3357# multilib is not explicitly enabled. 3358case "$target:$have_compiler:$host:$target:$enable_multilib" in 3359 x86_64-*linux*:yes:$build:$build:) 3360 # Make sure we have a development environment that handles 32-bit 3361 dev64=no 3362 echo "int main () { return 0; }" > conftest.c 3363 ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c 3364 if test $? = 0 ; then 3365 if test -s conftest || test -s conftest.exe ; then 3366 dev64=yes 3367 fi 3368 fi 3369 rm -f conftest* 3370 if test x${dev64} != xyes ; then 3371 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.]) 3372 fi 3373 ;; 3374esac 3375 3376# Default to --enable-multilib. 3377if test x${enable_multilib} = x ; then 3378 target_configargs="--enable-multilib ${target_configargs}" 3379fi 3380 3381# Pass --with-newlib if appropriate. Note that target_configdirs has 3382# changed from the earlier setting of with_newlib. 3383if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then 3384 target_configargs="--with-newlib ${target_configargs}" 3385fi 3386 3387# Different target subdirs use different values of certain variables 3388# (notably CXX). Worse, multilibs use *lots* of different values. 3389# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that 3390# it doesn't automatically accept command-line overrides of them. 3391# This means it's not safe for target subdirs to share a cache file, 3392# which is disgusting, but there you have it. Hopefully this can be 3393# fixed in future. It's still worthwhile to use a cache file for each 3394# directory. I think. 3395 3396# Pass the appropriate --build, --host, --target and --cache-file arguments. 3397# We need to pass --target, as newer autoconf's requires consistency 3398# for target_alias and gcc doesn't manage it consistently. 3399target_configargs="--cache-file=./config.cache ${target_configargs}" 3400 3401FLAGS_FOR_TARGET= 3402case " $target_configdirs " in 3403 *" newlib "*) 3404 case " $target_configargs " in 3405 *" --with-newlib "*) 3406 case "$target" in 3407 *-cygwin*) 3408 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include' 3409 ;; 3410 esac 3411 3412 # If we're not building GCC, don't discard standard headers. 3413 if test -d ${srcdir}/gcc; then 3414 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc' 3415 3416 if test "${build}" != "${host}"; then 3417 # On Canadian crosses, CC_FOR_TARGET will have already been set 3418 # by `configure', so we won't have an opportunity to add -Bgcc/ 3419 # to it. This is right: we don't want to search that directory 3420 # for binaries, but we want the header files in there, so add 3421 # them explicitly. 3422 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include -isystem $$r/$(HOST_SUBDIR)/gcc/include-fixed' 3423 3424 # Someone might think of using the pre-installed headers on 3425 # Canadian crosses, in case the installed compiler is not fully 3426 # compatible with the compiler being built. In this case, it 3427 # would be better to flag an error than risking having 3428 # incompatible object files being constructed. We can't 3429 # guarantee that an error will be flagged, but let's hope the 3430 # compiler will do it, when presented with incompatible header 3431 # files. 3432 fi 3433 fi 3434 3435 case "${target}-${is_cross_compiler}" in 3436 i[[3456789]]86-*-linux*-no) 3437 # Here host == target, so we don't need to build gcc, 3438 # so we don't want to discard standard headers. 3439 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'` 3440 ;; 3441 *) 3442 # If we're building newlib, use its generic headers last, but search 3443 # for any libc-related directories first (so make it the last -B 3444 # switch). 3445 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include' 3446 3447 # If we're building libgloss, find the startup file, simulator library 3448 # and linker script. 3449 case " $target_configdirs " in 3450 *" libgloss "*) 3451 # Look for startup file, simulator library and maybe linker script. 3452 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir" 3453 # Look for libnosys.a in case the target needs it. 3454 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys' 3455 # Most targets have the linker script in the source directory. 3456 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir" 3457 ;; 3458 esac 3459 ;; 3460 esac 3461 ;; 3462 esac 3463 ;; 3464esac 3465 3466case "$target" in 3467 x86_64-*mingw* | *-w64-mingw*) 3468 # MinGW-w64 does not use newlib, nor does it use winsup. It may, 3469 # however, use a symlink named 'mingw' in ${prefix} . 3470 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include' 3471 ;; 3472 *-mingw*) 3473 # MinGW can't be handled as Cygwin above since it does not use newlib. 3474 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include' 3475 ;; 3476esac 3477 3478# Allow the user to override the flags for 3479# our build compiler if desired. 3480if test x"${build}" = x"${host}" ; then 3481 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}} 3482 CPPFLAGS_FOR_BUILD=${CPPFLAGS_FOR_BUILD-${CPPFLAGS}} 3483 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}} 3484 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}} 3485fi 3486 3487# On Canadian crosses, we'll be searching the right directories for 3488# the previously-installed cross compiler, so don't bother to add 3489# flags for directories within the install tree of the compiler 3490# being built; programs in there won't even run. 3491if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then 3492 # Search for pre-installed headers if nothing else fits. 3493 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include' 3494fi 3495 3496if test "x${use_gnu_ld}" = x && 3497 echo " ${configdirs} " | grep " ld " > /dev/null ; then 3498 # Arrange for us to find uninstalled linker scripts. 3499 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld' 3500fi 3501 3502# Search for other target-specific linker scripts and such. 3503case "${target}" in 3504 mep*) 3505 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary" 3506 ;; 3507 # The VxWorks support for shared libraries is getting in 3508 # incrementally. Make sure it doesn't get activated implicitly: 3509 *vxworks*) 3510 if test "${enable_shared-unset}" = unset ; then 3511 enable_shared=no 3512 # So the build of libraries knows ... 3513 target_configargs="${target_configargs} --disable-shared" 3514 # So gcc knows ... 3515 host_configargs="${host_configargs} --disable-shared" 3516 fi 3517 ;; 3518esac 3519 3520# Makefile fragments. 3521for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag; 3522do 3523 eval fragval=\$$frag 3524 if test $fragval != /dev/null; then 3525 eval $frag=${srcdir}/$fragval 3526 fi 3527done 3528AC_SUBST_FILE(host_makefile_frag) 3529AC_SUBST_FILE(target_makefile_frag) 3530AC_SUBST_FILE(alphaieee_frag) 3531AC_SUBST_FILE(ospace_frag) 3532 3533# Miscellanea: directories, flags, etc. 3534AC_SUBST(RPATH_ENVVAR) 3535AC_SUBST(GCC_SHLIB_SUBDIR) 3536AC_SUBST(tooldir) 3537AC_SUBST(build_tooldir) 3538AC_SUBST(CONFIGURE_GDB_TK) 3539AC_SUBST(GDB_TK) 3540AC_SUBST(INSTALL_GDB_TK) 3541 3542# Build module lists & subconfigure args. 3543AC_SUBST(build_configargs) 3544AC_SUBST(build_configdirs) 3545 3546# Host module lists & subconfigure args. 3547AC_SUBST(host_configargs) 3548AC_SUBST(configdirs) 3549AC_SUBST(target_configdirs) 3550 3551# Target module lists & subconfigure args. 3552AC_SUBST(target_configargs) 3553 3554 3555# Build tools. 3556AC_SUBST(AR_FOR_BUILD) 3557AC_SUBST(AS_FOR_BUILD) 3558AC_SUBST(CC_FOR_BUILD) 3559AC_SUBST(CFLAGS_FOR_BUILD) 3560AC_SUBST(CPP_FOR_BUILD) 3561AC_SUBST(CPPFLAGS_FOR_BUILD) 3562AC_SUBST(CXXFLAGS_FOR_BUILD) 3563AC_SUBST(CXX_FOR_BUILD) 3564AC_SUBST(DLLTOOL_FOR_BUILD) 3565AC_SUBST(DSYMUTIL_FOR_BUILD) 3566AC_SUBST(GFORTRAN_FOR_BUILD) 3567AC_SUBST(GOC_FOR_BUILD) 3568AC_SUBST(GDC_FOR_BUILD) 3569AC_SUBST(LDFLAGS_FOR_BUILD) 3570AC_SUBST(LD_FOR_BUILD) 3571AC_SUBST(NM_FOR_BUILD) 3572AC_SUBST(RANLIB_FOR_BUILD) 3573AC_SUBST(WINDMC_FOR_BUILD) 3574AC_SUBST(WINDRES_FOR_BUILD) 3575 3576# Generate default definitions for YACC, M4, LEX and other programs that run 3577# on the build machine. These are used if the Makefile can't locate these 3578# programs in objdir. 3579MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing 3580 3581AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y]) 3582case " $build_configdirs " in 3583 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;; 3584esac 3585 3586AC_CHECK_PROGS([BISON], [bison], [$MISSING bison]) 3587case " $build_configdirs " in 3588 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;; 3589esac 3590 3591AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4]) 3592case " $build_configdirs " in 3593 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;; 3594esac 3595 3596AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex]) 3597case " $build_configdirs " in 3598 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;; 3599 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;; 3600esac 3601 3602AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex]) 3603case " $build_configdirs " in 3604 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;; 3605esac 3606 3607AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo]) 3608case " $build_configdirs " in 3609 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;; 3610 *) 3611changequote(,) 3612 # For an installed makeinfo, we require it to be from texinfo 4.7 or 3613 # higher, else we use the "missing" dummy. 3614 if ${MAKEINFO} --version \ 3615 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then 3616 : 3617 else 3618 MAKEINFO="$MISSING makeinfo" 3619 fi 3620 ;; 3621changequote([,]) 3622esac 3623 3624# FIXME: expect and dejagnu may become build tools? 3625 3626AC_CHECK_PROGS(EXPECT, expect, expect) 3627case " $configdirs " in 3628 *" expect "*) 3629 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect' 3630 ;; 3631esac 3632 3633AC_CHECK_PROGS(RUNTEST, runtest, runtest) 3634case " $configdirs " in 3635 *" dejagnu "*) 3636 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest' 3637 ;; 3638esac 3639 3640 3641# Host tools. 3642NCN_STRICT_CHECK_TOOLS(AR, ar) 3643NCN_STRICT_CHECK_TOOLS(AS, as) 3644NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool) 3645NCN_STRICT_CHECK_TOOLS(DSYMUTIL, dsymutil) 3646NCN_STRICT_CHECK_TOOLS(LD, ld) 3647NCN_STRICT_CHECK_TOOLS(LIPO, lipo) 3648NCN_STRICT_CHECK_TOOLS(NM, nm) 3649NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true) 3650NCN_STRICT_CHECK_TOOLS(STRIP, strip, true) 3651NCN_STRICT_CHECK_TOOLS(WINDRES, windres) 3652NCN_STRICT_CHECK_TOOLS(WINDMC, windmc) 3653NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy) 3654NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump) 3655NCN_STRICT_CHECK_TOOLS(OTOOL, otool) 3656NCN_STRICT_CHECK_TOOLS(READELF, readelf) 3657AC_SUBST(CC) 3658AC_SUBST(CXX) 3659AC_SUBST(CFLAGS) 3660AC_SUBST(CXXFLAGS) 3661AC_SUBST(GDC) 3662AC_SUBST(GDCFLAGS) 3663AC_SUBST(PKG_CONFIG_PATH) 3664 3665GCC_PLUGIN_OPTION(PLUGIN_OPTION) 3666AR_PLUGIN_OPTION= 3667RANLIB_PLUGIN_OPTION= 3668if test -n "$PLUGIN_OPTION"; then 3669 if $AR --help 2>&1 | grep -q "\--plugin"; then 3670 AR_PLUGIN_OPTION="$PLUGIN_OPTION" 3671 fi 3672 if $RANLIB --help 2>&1 | grep -q "\--plugin"; then 3673 RANLIB_PLUGIN_OPTION="$PLUGIN_OPTION" 3674 fi 3675fi 3676AC_SUBST(AR_PLUGIN_OPTION) 3677AC_SUBST(RANLIB_PLUGIN_OPTION) 3678 3679# Target tools. 3680AC_ARG_WITH([build-time-tools], 3681 [AS_HELP_STRING([--with-build-time-tools=PATH], 3682 [use given path to find target tools during the build])], 3683 [case x"$withval" in 3684 x/*) ;; 3685 *) 3686 with_build_time_tools= 3687 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path]) 3688 ;; 3689 esac], 3690 [with_build_time_tools=]) 3691 3692NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc) 3693NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx) 3694NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET}) 3695NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran) 3696NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo) 3697NCN_STRICT_CHECK_TARGET_TOOLS(GDC_FOR_TARGET, gdc) 3698 3699ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar) 3700ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as) 3701ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool) 3702ACX_CHECK_INSTALLED_TARGET_TOOL(DSYMUTIL_FOR_TARGET, dsymutil) 3703ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld) 3704ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo) 3705ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm) 3706ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy) 3707ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump) 3708ACX_CHECK_INSTALLED_TARGET_TOOL(OTOOL_FOR_TARGET, otool) 3709ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib) 3710ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf) 3711ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip) 3712ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres) 3713ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc) 3714 3715RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET" 3716 3717GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar]) 3718GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new]) 3719GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) 3720dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS 3721GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX, 3722 [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], 3723 c++) 3724GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX, 3725 [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], 3726 c++) 3727GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool]) 3728GCC_TARGET_TOOL(dsymutil, DSYMUTIL_FOR_TARGET, DSYMUTIL) 3729GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) 3730GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN, 3731 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran) 3732GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC, 3733 [gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go) 3734GCC_TARGET_TOOL(gdc, GDC_FOR_TARGET, GDC, 3735 [gcc/gdc -B$$r/$(HOST_SUBDIR)/gcc/], d) 3736GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new]) 3737GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO) 3738GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new]) 3739GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy]) 3740GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump]) 3741GCC_TARGET_TOOL(otool, OTOOL_FOR_TARGET, OTOOL) 3742GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib]) 3743GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf]) 3744GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new]) 3745GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres]) 3746GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc]) 3747 3748AC_SUBST(FLAGS_FOR_TARGET) 3749AC_SUBST(RAW_CXX_FOR_TARGET) 3750 3751# Certain tools may need extra flags. 3752AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target} 3753RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target} 3754NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target} 3755 3756# When building target libraries, except in a Canadian cross, we use 3757# the same toolchain as the compiler we just built. 3758COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)' 3759COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)' 3760COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)' 3761if test $host = $build; then 3762 case " $configdirs " in 3763 *" gcc "*) 3764 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as' 3765 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld' 3766 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target} 3767 ;; 3768 esac 3769fi 3770 3771AC_SUBST(COMPILER_AS_FOR_TARGET) 3772AC_SUBST(COMPILER_LD_FOR_TARGET) 3773AC_SUBST(COMPILER_NM_FOR_TARGET) 3774 3775AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) 3776AC_ARG_ENABLE(maintainer-mode, 3777[AS_HELP_STRING([--enable-maintainer-mode], 3778 [enable make rules and dependencies not useful 3779 (and sometimes confusing) to the casual installer])], 3780 USE_MAINTAINER_MODE=$enableval, 3781 USE_MAINTAINER_MODE=no) 3782AC_MSG_RESULT($USE_MAINTAINER_MODE) 3783AC_SUBST(MAINTAINER_MODE_TRUE) 3784AC_SUBST(MAINTAINER_MODE_FALSE) 3785if test "$USE_MAINTAINER_MODE" = yes; then 3786 MAINTAINER_MODE_TRUE= 3787 MAINTAINER_MODE_FALSE='#' 3788else 3789 MAINTAINER_MODE_TRUE='#' 3790 MAINTAINER_MODE_FALSE= 3791fi 3792MAINT=$MAINTAINER_MODE_TRUE 3793AC_SUBST(MAINT)dnl 3794 3795# --------------------- 3796# GCC bootstrap support 3797# --------------------- 3798 3799# Stage specific cflags for build. 3800stage1_cflags="-g" 3801case $build in 3802 vax-*-*) 3803 case ${GCC} in 3804 yes) stage1_cflags="-g -Wa,-J" ;; 3805 *) stage1_cflags="-g -J" ;; 3806 esac ;; 3807esac 3808 3809AC_SUBST(stage1_cflags) 3810 3811# Enable --enable-checking in stage1 of the compiler. 3812AC_ARG_ENABLE(stage1-checking, 3813[AS_HELP_STRING([[--enable-stage1-checking[=all]]], 3814 [choose additional checking for stage1 of the compiler])], 3815[stage1_checking=--enable-checking=${enable_stage1_checking}], 3816[if test "x$enable_checking" = xno || test "x$enable_checking" = x; then 3817 # For --disable-checking or implicit --enable-checking=release, avoid 3818 # setting --enable-checking=gc in the default stage1 checking for LTO 3819 # bootstraps. See PR62077. 3820 case $BUILD_CONFIG in 3821 *lto*) 3822 stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types;; 3823 *) 3824 stage1_checking=--enable-checking=yes,types;; 3825 esac 3826 if test "x$enable_checking" = x && \ 3827 test -d ${srcdir}/gcc && \ 3828 test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then 3829 stage1_checking=--enable-checking=yes,types,extra 3830 fi 3831else 3832 stage1_checking=--enable-checking=$enable_checking,types 3833fi]) 3834AC_SUBST(stage1_checking) 3835 3836# Enable -Werror in bootstrap stage2 and later. 3837AC_ARG_ENABLE(werror, 3838[AS_HELP_STRING([--enable-werror], 3839 [enable -Werror in bootstrap stage2 and later])], 3840[ 3841case ${enable_werror} in 3842 yes) stage2_werror_flag="--enable-werror-always" ;; 3843 *) stage2_werror_flag="" ;; 3844esac 3845], 3846[ 3847if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then 3848 case $BUILD_CONFIG in 3849 bootstrap-debug) 3850 stage2_werror_flag="--enable-werror-always" ;; 3851 "") 3852 stage2_werror_flag="--enable-werror-always" ;; 3853 esac 3854fi 3855]) 3856 3857AC_SUBST(stage2_werror_flag) 3858 3859# Specify what files to not compare during bootstrap. 3860 3861compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*" 3862case "$target" in 3863 hppa*64*-*-hpux*) ;; 3864 hppa*-*-hpux*) compare_exclusions="$compare_exclusions | */libgcc/lib2funcs* | gcc/function-tests.o" ;; 3865 powerpc*-ibm-aix*) compare_exclusions="$compare_exclusions | *libgomp*\$(objext)" ;; 3866esac 3867AC_SUBST(compare_exclusions) 3868 3869AC_CONFIG_FILES([Makefile], 3870 [sed "$extrasub_build" Makefile | 3871 sed "$extrasub_host" | 3872 sed "$extrasub_target" > mf$$ 3873 mv -f mf$$ Makefile], 3874 [extrasub_build="$extrasub_build" 3875 extrasub_host="$extrasub_host" 3876 extrasub_target="$extrasub_target"]) 3877AC_OUTPUT 3878