configure.ac revision 1.1
1# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2# 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 3# Free Software Foundation, Inc. 4# 5# This file is free software; you can redistribute it and/or modify it 6# under the terms of the GNU General Public License as published by 7# the Free Software Foundation; either version 3 of the License, or 8# (at your option) any later version. 9# 10# This program is distributed in the hope that it will be useful, but 11# WITHOUT ANY WARRANTY; without even the implied warranty of 12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13# General Public License for more details. 14# 15# You should have received a copy of the GNU General Public License 16# along with this program; see the file COPYING3. If not see 17# <http://www.gnu.org/licenses/>. 18 19############################################################################## 20### WARNING: this file contains embedded tabs. Do not run untabify on this file. 21 22m4_include(config/acx.m4) 23m4_include(config/override.m4) 24m4_include(config/proginstall.m4) 25m4_include(config/elf.m4) 26m4_include([libtool.m4]) 27m4_include([ltoptions.m4]) 28m4_include([ltsugar.m4]) 29m4_include([ltversion.m4]) 30m4_include([lt~obsolete.m4]) 31 32AC_INIT(move-if-change) 33AC_PREREQ(2.64) 34AC_DISABLE_OPTION_CHECKING 35 36progname=$0 37# if PWD already has a value, it is probably wrong. 38if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi 39 40# Export original configure arguments for use by sub-configures. 41# Quote arguments with shell meta charatcers. 42TOPLEVEL_CONFIGURE_ARGUMENTS= 43set -- "$progname" "$@" 44for ac_arg 45do 46 case "$ac_arg" in 47 *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*) 48 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` 49 # if the argument is of the form -foo=baz, quote the baz part only 50 ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;; 51 *) ;; 52 esac 53 # Add the quoted argument to the list. 54 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS $ac_arg" 55done 56if test "$silent" = yes; then 57 TOPLEVEL_CONFIGURE_ARGUMENTS="$TOPLEVEL_CONFIGURE_ARGUMENTS --silent" 58fi 59# Remove the initial space we just introduced and, as these will be 60# expanded by make, quote '$'. 61TOPLEVEL_CONFIGURE_ARGUMENTS=`echo "x$TOPLEVEL_CONFIGURE_ARGUMENTS" | sed -e 's/^x *//' -e 's,\\$,$$,g'` 62AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS) 63 64# Find the build, host, and target systems. 65ACX_NONCANONICAL_BUILD 66ACX_NONCANONICAL_HOST 67ACX_NONCANONICAL_TARGET 68 69dnl Autoconf 2.5x and later will set a default program prefix if 70dnl --target was used, even if it was the same as --host. Disable 71dnl that behavior. This must be done before AC_CANONICAL_SYSTEM 72dnl to take effect. 73test "$host_noncanonical" = "$target_noncanonical" && 74 test "$program_prefix$program_suffix$program_transform_name" = \ 75 NONENONEs,x,x, && 76 program_transform_name=s,y,y, 77 78AC_CANONICAL_SYSTEM 79AC_ARG_PROGRAM 80 81m4_pattern_allow([^AS_FOR_TARGET$])dnl 82m4_pattern_allow([^AS_FOR_BUILD$])dnl 83 84# Get 'install' or 'install-sh' and its variants. 85AC_PROG_INSTALL 86ACX_PROG_LN 87AC_PROG_LN_S 88AC_PROG_SED 89AC_PROG_AWK 90 91### we might need to use some other shell than /bin/sh for running subshells 92### If we are on Windows, search for the shell. This will permit people 93### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure 94### without also having to set CONFIG_SHELL. This code will work when 95### using bash, which sets OSTYPE. 96case "${OSTYPE}" in 97*win32*) 98 if test x${CONFIG_SHELL} = x ; then 99 if test ! -f /bin/sh ; then 100 if test x${SHELL} != x && test -f ${SHELL} ; then 101 CONFIG_SHELL=${SHELL} 102 export CONFIG_SHELL 103 else 104 for prog in sh sh.exe bash bash.exe; do 105 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:" 106 for dir in $PATH; do 107 test -z "$dir" && dir=. 108 if test -f $dir/$prog; then 109 CONFIG_SHELL=$dir/$prog 110 export CONFIG_SHELL 111 break 112 fi 113 done 114 IFS="$save_ifs" 115 test -n "${CONFIG_SHELL}" && break 116 done 117 fi 118 fi 119 fi 120 ;; 121esac 122 123config_shell=${CONFIG_SHELL-/bin/sh} 124 125moveifchange=${srcdir}/move-if-change 126 127srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}` 128 129# We pass INSTALL explicitly to sub-makes. Make sure that it is not 130# a relative path. 131if test "$INSTALL" = "${srcdir}/install-sh -c"; then 132 INSTALL="${srcpwd}/install-sh -c" 133fi 134 135# Set srcdir to "." if that's what it is. 136# This is important for multilib support. 137pwd=`${PWDCMD-pwd}` 138if test "${pwd}" = "${srcpwd}" ; then 139 srcdir=. 140fi 141 142topsrcdir=$srcpwd 143 144extra_host_args= 145 146### To add a new directory to the tree, first choose whether it is a target 147### or a host dependent tool. Then put it into the appropriate list 148### (library or tools, host or target), doing a dependency sort. 149 150# Subdirs will be configured in the order listed in build_configdirs, 151# configdirs, or target_configdirs; see the serialization section below. 152 153# Dependency sorting is only needed when *configuration* must be done in 154# a particular order. In all cases a dependency should be specified in 155# the Makefile, whether or not it's implicitly specified here. 156 157# Double entries in build_configdirs, configdirs, or target_configdirs may 158# cause circular dependencies and break everything horribly. 159 160# these library is used by various programs built for the build 161# environment 162# 163build_libs="build-libiberty" 164 165# these tools are built for the build environment 166build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fixincludes" 167 168# these libraries are used by various programs built for the host environment 169# 170host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp libdecnumber gmp mpfr mpc ppl cloog libelf libiconv" 171 172# these tools are built for the host environment 173# Note, the powerpc-eabi build depends on sim occurring before gdb in order to 174# know that we are building the simulator. 175# binutils, gas and ld appear in that order because it makes sense to run 176# "make check" in that particular order. 177# If --enable-gold is used, "gold" will replace "ld". 178host_tools="texinfo byacc flex bison binutils gas ld fixincludes gcc cgen sid sim gdb make patch prms send-pr gprof etc expect dejagnu ash bash bzip2 m4 autoconf automake libtool diff rcs fileutils shellutils time textutils wdiff find uudecode hello tar gzip indent recode release sed utils guile perl gawk findutils gettext zip fastjar gnattools" 179 180# libgcj represents the runtime libraries only used by gcj. 181libgcj="target-libffi \ 182 target-zlib \ 183 target-qthreads \ 184 target-libjava" 185 186# these libraries are built for the target environment, and are built after 187# the host libraries and the host tools (which may be a cross compiler) 188# 189target_libraries="target-libgcc \ 190 target-libiberty \ 191 target-libgloss \ 192 target-newlib \ 193 target-libgomp \ 194 target-libstdc++-v3 \ 195 target-libmudflap \ 196 target-libssp \ 197 target-libgfortran \ 198 target-boehm-gc \ 199 ${libgcj} \ 200 target-libobjc \ 201 target-libada" 202 203# these tools are built using the target libraries, and are intended to 204# run only in the target environment 205# 206# note: any program that *uses* libraries that are in the "target_libraries" 207# list belongs in this list. those programs are also very likely 208# candidates for the "native_only" list which follows 209# 210target_tools="target-examples target-groff target-gperf target-rda" 211 212################################################################################ 213 214## All tools belong in one of the four categories, and are assigned above 215## We assign ${configdirs} this way to remove all embedded newlines. This 216## is important because configure will choke if they ever get through. 217## ${configdirs} is directories we build using the host tools. 218## ${target_configdirs} is directories we build using the target tools. 219configdirs=`echo ${host_libs} ${host_tools}` 220target_configdirs=`echo ${target_libraries} ${target_tools}` 221build_configdirs=`echo ${build_libs} ${build_tools}` 222 223m4_divert_text([PARSE_ARGS], 224[ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'` 225]) 226 227################################################################################ 228 229srcname="gnu development package" 230 231# This gets set non-empty for some net releases of packages. 232appdirs="" 233 234# Define is_cross_compiler to save on calls to 'test'. 235is_cross_compiler= 236if test x"${host}" = x"${target}" ; then 237 is_cross_compiler=no 238else 239 is_cross_compiler=yes 240fi 241 242# Find the build and target subdir names. 243GCC_TOPLEV_SUBDIRS 244# Be sure to cover against remnants of an in-tree build. 245if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then 246 AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}. 247Use a pristine source tree when building in a separate tree]) 248fi 249 250# Skipdirs are removed silently. 251skipdirs= 252# Noconfigdirs are removed loudly. 253noconfigdirs="" 254 255use_gnu_ld= 256# Make sure we don't let GNU ld be added if we didn't want it. 257if test x$with_gnu_ld = xno ; then 258 use_gnu_ld=no 259 noconfigdirs="$noconfigdirs ld gold" 260fi 261 262use_gnu_as= 263# Make sure we don't let GNU as be added if we didn't want it. 264if test x$with_gnu_as = xno ; then 265 use_gnu_as=no 266 noconfigdirs="$noconfigdirs gas" 267fi 268 269use_included_zlib= 270# Make sure we don't let ZLIB be added if we didn't want it. 271if test x$with_system_zlib = xyes ; then 272 use_included_zlib=no 273 noconfigdirs="$noconfigdirs zlib" 274fi 275 276# some tools are so dependent upon X11 that if we're not building with X, 277# it's not even worth trying to configure, much less build, that tool. 278 279case ${with_x} in 280 yes | "") ;; # the default value for this tree is that X11 is available 281 no) 282 skipdirs="${skipdirs} tk itcl libgui" 283 # We won't be able to build gdbtk without X. 284 enable_gdbtk=no 285 ;; 286 *) echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;; 287esac 288 289# Some tools are only suitable for building in a "native" situation. 290# Remove these if host!=target. 291native_only="autoconf automake libtool fileutils find gawk gettext gzip hello indent m4 rcs recode sed shellutils tar textutils uudecode wdiff target-groff guile perl time ash bash bzip2 prms gnuserv target-gperf" 292 293# Similarly, some are only suitable for cross toolchains. 294# Remove these if host=target. 295cross_only="target-libgloss target-newlib target-opcodes" 296 297case $is_cross_compiler in 298 no) skipdirs="${skipdirs} ${cross_only}" ;; 299 yes) skipdirs="${skipdirs} ${native_only}" ;; 300esac 301 302# If both --with-headers and --with-libs are specified, default to 303# --without-newlib. 304if test x"${with_headers}" != x && test x"${with_headers}" != xno \ 305 && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then 306 if test x"${with_newlib}" = x ; then 307 with_newlib=no 308 fi 309fi 310 311# Recognize --with-newlib/--without-newlib. 312case ${with_newlib} in 313 no) skipdirs="${skipdirs} target-newlib" ;; 314 yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;; 315esac 316 317# Handle --enable-gold. 318 319AC_ARG_ENABLE(gold, 320[ --enable-gold use gold instead of ld], 321ENABLE_GOLD=$enableval, 322ENABLE_GOLD=no) 323if test "${ENABLE_GOLD}" = "yes"; then 324 # Check for ELF target. 325 is_elf=no 326 case "${target}" in 327 *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \ 328 | *-*-linux* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \ 329 | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-solaris2* | *-*-nto*) 330 case "${target}" in 331 *-*-linux*aout* | *-*-linux*oldld*) 332 ;; 333 *) 334 is_elf=yes 335 ;; 336 esac 337 esac 338 339 if test "$is_elf" = "yes"; then 340 # Check for target supported by gold. 341 case "${target}" in 342 i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-*) 343 configdirs=`echo " ${configdirs} " | sed -e 's/ ld / gold /'` 344 ;; 345 esac 346 fi 347fi 348 349# Configure extra directories which are host specific 350 351case "${host}" in 352 *-cygwin*) 353 configdirs="$configdirs libtermcap" ;; 354esac 355 356# A target can indicate whether a language isn't supported for some reason. 357# Only spaces may be used in this macro; not newlines or tabs. 358unsupported_languages= 359 360# Remove more programs from consideration, based on the host or 361# target this usually means that a port of the program doesn't 362# exist yet. 363 364case "${host}" in 365 hppa*64*-*-*) 366 noconfigdirs="$noconfigdirs byacc" 367 ;; 368 i[[3456789]]86-*-vsta) 369 noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl gnuserv gettext" 370 ;; 371 i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*) 372 noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi" 373 ;; 374 x86_64-*-mingw*) 375 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib" 376 ;; 377 i[[3456789]]86-*-mingw32*) 378 # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv" 379 noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib" 380 ;; 381 i[[3456789]]86-*-beos*) 382 noconfigdirs="$noconfigdirs tk itcl libgui gdb" 383 ;; 384 *-*-cygwin*) 385 noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl" 386 ;; 387 *-*-netbsd*) 388 noconfigdirs="$noconfigdirs rcs" 389 ;; 390 ppc*-*-pe) 391 noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl gnuserv" 392 ;; 393 powerpc-*-beos*) 394 noconfigdirs="$noconfigdirs tk itcl libgui gdb dejagnu readline" 395 ;; 396esac 397 398 399AC_ARG_ENABLE(libada, 400[ --enable-libada build libada directory], 401ENABLE_LIBADA=$enableval, 402ENABLE_LIBADA=yes) 403if test "${ENABLE_LIBADA}" != "yes" ; then 404 noconfigdirs="$noconfigdirs gnattools" 405fi 406 407AC_ARG_ENABLE(libssp, 408[ --enable-libssp build libssp directory], 409ENABLE_LIBSSP=$enableval, 410ENABLE_LIBSSP=yes) 411 412# Save it here so that, even in case of --enable-libgcj, if the Java 413# front-end isn't enabled, we still get libgcj disabled. 414libgcj_saved=$libgcj 415case $enable_libgcj in 416yes) 417 # If we reset it here, it won't get added to noconfigdirs in the 418 # target-specific build rules, so it will be forcibly enabled 419 # (unless the Java language itself isn't enabled). 420 libgcj= 421 ;; 422no) 423 # Make sure we get it printed in the list of not supported target libs. 424 noconfigdirs="$noconfigdirs ${libgcj}" 425 ;; 426esac 427 428 429# Disable libmudflap on some systems. 430if test x$enable_libmudflap = x ; then 431 case "${target}" in 432 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu) 433 # Enable libmudflap by default in GNU and friends. 434 ;; 435 *-*-freebsd*) 436 # Enable libmudflap by default in FreeBSD. 437 ;; 438 *) 439 # Disable it by default everywhere else. 440 noconfigdirs="$noconfigdirs target-libmudflap" 441 ;; 442 esac 443fi 444 445# Disable libgomp on non POSIX hosted systems. 446if test x$enable_libgomp = x ; then 447 # Enable libgomp by default on hosted POSIX systems. 448 case "${target}" in 449 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 450 ;; 451 *-*-netbsd* | *-*-freebsd* | *-*-openbsd*) 452 ;; 453 *-*-solaris2* | *-*-sysv4* | *-*-irix6* | *-*-osf* | *-*-hpux11*) 454 ;; 455 *-*-darwin* | *-*-aix*) 456 ;; 457 *) 458 noconfigdirs="$noconfigdirs target-libgomp" 459 ;; 460 esac 461fi 462 463# Default libgloss CPU subdirectory. 464libgloss_dir="$target_cpu" 465 466case "${target}" in 467 *-*-chorusos) 468 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}" 469 ;; 470 powerpc-*-darwin*) 471 noconfigdirs="$noconfigdirs ld gas gdb gprof" 472 noconfigdirs="$noconfigdirs sim target-rda" 473 ;; 474 i[[3456789]]86-*-darwin*) 475 noconfigdirs="$noconfigdirs ld gprof" 476 noconfigdirs="$noconfigdirs sim target-rda" 477 ;; 478 x86_64-*-darwin[[912]]*) 479 noconfigdirs="$noconfigdirs ld gas gprof" 480 noconfigdirs="$noconfigdirs sim target-rda" 481 ;; 482 *-*-darwin*) 483 noconfigdirs="$noconfigdirs ld gas gdb gprof" 484 noconfigdirs="$noconfigdirs sim target-rda" 485 noconfigdirs="$noconfigdirs ${libgcj}" 486 ;; 487 *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*) 488 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}" 489 ;; 490 *-*-freebsd*) 491 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 492 if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \ 493 && test -f /usr/local/include/gmp.h; then 494 with_gmp=/usr/local 495 fi 496 497 # Skip some stuff that's unsupported on some FreeBSD configurations. 498 case "${target}" in 499 i*86-*-*) ;; 500 alpha*-*-*) ;; 501 x86_64-*-*) ;; 502 *) 503 noconfigdirs="$noconfigdirs ${libgcj}" 504 ;; 505 esac 506 ;; 507 *-*-kaos*) 508 # Remove unsupported stuff on all kaOS configurations. 509 skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx" 510 skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf" 511 skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib" 512 noconfigdirs="$noconfigdirs target-libgloss" 513 ;; 514 *-*-netbsd*) 515 # Skip some stuff on all NetBSD configurations. 516 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss" 517 518 # Skip some stuff that's unsupported on some NetBSD configurations. 519 case "${target}" in 520 i*86-*-netbsdelf*) ;; 521 arm*-*-netbsdelf*) ;; 522 *) 523 noconfigdirs="$noconfigdirs ${libgcj}" 524 ;; 525 esac 526 ;; 527 *-*-netware*) 528 noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap" 529 ;; 530 *-*-rtems*) 531 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}" 532 ;; 533 # The tpf target doesn't support gdb yet. 534 *-*-tpf*) 535 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj} target-libmudflap gdb tcl tk libgui itcl" 536 ;; 537 *-*-uclinux*) 538 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}" 539 ;; 540 *-*-vxworks*) 541 noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty target-libstdc++-v3 ${libgcj}" 542 ;; 543 alpha*-dec-osf*) 544 # ld works, but does not support shared libraries. 545 # newlib is not 64 bit ready. I'm not sure about fileutils. 546 # gas doesn't generate exception information. 547 noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss" 548 ;; 549 alpha*-*-*vms*) 550 noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}" 551 ;; 552 alpha*-*-linux*) 553 # newlib is not 64 bit ready 554 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 555 ;; 556 alpha*-*-*) 557 # newlib is not 64 bit ready 558 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}" 559 ;; 560 am33_2.0-*-linux*) 561 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss" 562 ;; 563 sh-*-linux*) 564 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss" 565 ;; 566 sh*-*-pe|mips*-*-pe|*arm-wince-pe) 567 noconfigdirs="$noconfigdirs ${libgcj}" 568 noconfigdirs="$noconfigdirs target-examples" 569 noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr" 570 noconfigdirs="$noconfigdirs tcl tk itcl libgui sim" 571 noconfigdirs="$noconfigdirs expect dejagnu" 572 # the C++ libraries don't build on top of CE's C libraries 573 noconfigdirs="$noconfigdirs target-libstdc++-v3" 574 noconfigdirs="$noconfigdirs target-newlib" 575 case "${host}" in 576 *-*-cygwin*) ;; # keep gdb and readline 577 *) noconfigdirs="$noconfigdirs gdb readline" 578 ;; 579 esac 580 libgloss_dir=wince 581 ;; 582 arc-*-*) 583 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}" 584 ;; 585 arm-semi-aof ) 586 ;; 587 arm-*-coff | strongarm-*-coff | xscale-*-coff) 588 noconfigdirs="$noconfigdirs ${libgcj}" 589 libgloss_dir=arm 590 ;; 591 arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* ) 592 noconfigdirs="$noconfigdirs target-libffi target-qthreads" 593 libgloss_dir=arm 594 ;; 595 arm*-*-linux-gnueabi) 596 noconfigdirs="$noconfigdirs target-qthreads" 597 case ${with_newlib} in 598 no) noconfigdirs="$noconfigdirs target-newlib target-libgloss" 599 esac 600 libgloss_dir=arm 601 ;; 602 arm*-*-symbianelf*) 603 noconfigdirs="$noconfigdirs ${libgcj} target-libiberty" 604 libgloss_dir=arm 605 ;; 606 arm-*-pe*) 607 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}" 608 ;; 609 thumb-*-coff) 610 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}" 611 ;; 612 thumb-*-elf) 613 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}" 614 ;; 615 thumb-*-pe) 616 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}" 617 ;; 618 arm-*-riscix*) 619 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}" 620 ;; 621 avr-*-*) 622 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj} target-libssp" 623 ;; 624 bfin-*-*) 625 unsupported_languages="$unsupported_languages java" 626 noconfigdirs="$noconfigdirs target-boehm-gc gdb" 627 if test x${is_cross_compiler} != xno ; then 628 target_configdirs="${target_configdirs} target-bsp target-cygmon" 629 fi 630 ;; 631 c4x-*-* | tic4x-*-*) 632 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}" 633 ;; 634 c54x*-*-* | tic54x-*-*) 635 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib" 636 ;; 637 cr16-*-*) 638 noconfigdirs="$noconfigdirs ${libgcj} gdb" 639 ;; 640 cris-*-* | crisv32-*-*) 641 unsupported_languages="$unsupported_languages java" 642 case "${target}" in 643 *-*-aout) 644 unsupported_languages="$unsupported_languages fortran" 645 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";; 646 *-*-elf) 647 noconfigdirs="$noconfigdirs target-boehm-gc";; 648 *-*-linux*) 649 noconfigdirs="$noconfigdirs target-newlib target-libgloss";; 650 *) 651 unsupported_languages="$unsupported_languages fortran" 652 noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss";; 653 esac 654 libgloss_dir=cris 655 ;; 656 crx-*-*) 657 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-mudflap ${libgcj}" 658 ;; 659 d10v-*-*) 660 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}" 661 ;; 662 d30v-*-*) 663 noconfigdirs="$noconfigdirs ${libgcj} gdb" 664 ;; 665 ep9312-*-elf | ep9312-*-coff) 666 libgloss_dir=arm 667 ;; 668 fr30-*-elf*) 669 noconfigdirs="$noconfigdirs ${libgcj} gdb" 670 ;; 671 frv-*-*) 672 noconfigdirs="$noconfigdirs ${libgcj}" 673 ;; 674 moxie-*-*) 675 noconfigdirs="$noconfigdirs ${libgcj}" 676 noconfigdirs="$noconfigdirs gprof" 677 ;; 678 h8300*-*-*) 679 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}" 680 ;; 681 h8500-*-*) 682 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}" 683 ;; 684 hppa1.1-*-osf* | hppa1.1-*-bsd* ) 685 ;; 686 hppa*64*-*-linux* | parisc*64*-*-linux*) 687 # In this case, it's because the hppa64-linux target is for 688 # the kernel only at this point and has no libc, and thus no 689 # headers, crt*.o, etc., all of which are needed by these. 690 noconfigdirs="$noconfigdirs target-zlib" 691 ;; 692 parisc*-*-linux* | hppa*-*-linux*) 693 ;; 694 hppa*-*-*elf* | \ 695 hppa*-*-lites* | \ 696 hppa*-*-openbsd* | \ 697 hppa*64*-*-*) 698 noconfigdirs="$noconfigdirs ${libgcj}" 699 ;; 700 hppa*-hp-hpux11*) 701 noconfigdirs="$noconfigdirs ld shellutils" 702 ;; 703 hppa*-*-pro*) 704 libgloss_dir=pa 705 ;; 706 hppa*-*-*) 707 # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't 708 # build on HP-UX 10.20. 709 noconfigdirs="$noconfigdirs ld shellutils ${libgcj}" 710 ;; 711 i960-*-*) 712 noconfigdirs="$noconfigdirs ${libgcj} gdb" 713 ;; 714 ia64*-*-elf*) 715 # No gdb support yet. 716 noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb" 717 ;; 718 ia64*-**-hpux*) 719 # No gdb or ld support yet. 720 noconfigdirs="$noconfigdirs ${libgcj} readline mmalloc libgui itcl gdb ld" 721 ;; 722 ia64*-*-*vms*) 723 # No gdb or ld support yet. 724 noconfigdirs="$noconfigdirs ${libgcj} tix readline mmalloc libgui itcl gdb ld" 725 ;; 726 i370-*-opened*) 727 ;; 728 i[[3456789]]86-*-coff | i[[3456789]]86-*-elf) 729 noconfigdirs="$noconfigdirs ${libgcj}" 730 libgloss_dir=i386 731 ;; 732 i[[3456789]]86-*-linux*) 733 # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's 734 # not build java stuff by default. 735 case "${target}" in 736 *-*-*libc1*) 737 noconfigdirs="$noconfigdirs ${libgcj}";; 738 esac 739 740 # This section makes it possible to build newlib natively on linux. 741 # If we are using a cross compiler then don't configure newlib. 742 if test x${is_cross_compiler} != xno ; then 743 noconfigdirs="$noconfigdirs target-newlib" 744 fi 745 noconfigdirs="$noconfigdirs target-libgloss" 746 # If we are not using a cross compiler, do configure newlib. 747 # Note however, that newlib will only be configured in this situation 748 # if the --with-newlib option has been given, because otherwise 749 # 'target-newlib' will appear in skipdirs. 750 ;; 751 i[[3456789]]86-w64-mingw*) 752 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}" 753 ;; 754 i[[3456789]]86-*-mingw*) 755 target_configdirs="$target_configdirs target-winsup" 756 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}" 757 ;; 758 x86_64-*-mingw*) 759 noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}" 760 ;; 761 *-*-cygwin*) 762 target_configdirs="$target_configdirs target-libtermcap target-winsup" 763 noconfigdirs="$noconfigdirs target-gperf target-libgloss" 764 # always build newlib if winsup directory is present. 765 if test -d "$srcdir/winsup/cygwin"; then 766 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` 767 elif test -d "$srcdir/newlib"; then 768 echo "Warning: winsup/cygwin is missing so newlib can't be built." 769 fi 770 ;; 771 i[[3456789]]86-moss-msdos | i[[3456789]]86-*-moss* | \ 772 i[[3456789]]86-*-uwin* | i[[3456789]]86-*-interix* ) 773 ;; 774 i[[3456789]]86-*-pe) 775 noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}" 776 ;; 777 i[[3456789]]86-*-sco3.2v5*) 778 # The linker does not yet know about weak symbols in COFF, 779 # and is not configured to handle mixed ELF and COFF. 780 noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}" 781 ;; 782 i[[3456789]]86-*-sco*) 783 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}" 784 ;; 785 i[[3456789]]86-*-solaris2*) 786 noconfigdirs="$noconfigdirs target-libgloss" 787 ;; 788 i[[3456789]]86-*-sysv4*) 789 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}" 790 ;; 791 i[[3456789]]86-*-beos*) 792 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}" 793 ;; 794 i[[3456789]]86-*-rdos*) 795 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss" 796 ;; 797 m32r-*-*) 798 noconfigdirs="$noconfigdirs ${libgcj}" 799 ;; 800 m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*) 801 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}" 802 libgloss_dir=m68hc11 803 ;; 804 m68k-*-elf*) 805 noconfigdirs="$noconfigdirs ${libgcj}" 806 ;; 807 m68k-*-coff*) 808 noconfigdirs="$noconfigdirs ${libgcj}" 809 ;; 810 m68*-*-* | fido-*-*) 811 libgloss_dir=m68k 812 ;; 813 mcore-*-pe*) 814 # The EPOC C++ environment does not support exceptions or rtti, 815 # and so building libstdc++-v3 tends not to always work. 816 noconfigdirs="$noconfigdirs target-libstdc++-v3" 817 ;; 818 mmix-*-*) 819 noconfigdirs="$noconfigdirs target-libffi target-boehm-gc gdb libgloss" 820 unsupported_languages="$unsupported_languages fortran java" 821 ;; 822 mn10200-*-*) 823 noconfigdirs="$noconfigdirs ${libgcj}" 824 ;; 825 mn10300-*-*) 826 noconfigdirs="$noconfigdirs ${libgcj}" 827 ;; 828 mt-*-*) 829 noconfigdirs="$noconfigdirs sim" 830 ;; 831 powerpc-*-aix*) 832 # copied from rs6000-*-* entry 833 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}" 834 ;; 835 powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe) 836 target_configdirs="$target_configdirs target-winsup" 837 noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}" 838 # always build newlib. 839 skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` 840 ;; 841 # This is temporary until we can link against shared libraries 842 powerpcle-*-solaris*) 843 noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}" 844 libgloss_dir=rs6000 845 ;; 846 powerpc-*-beos*) 847 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}" 848 ;; 849 powerpc-*-eabi) 850 noconfigdirs="$noconfigdirs ${libgcj}" 851 libgloss_dir=rs6000 852 ;; 853 powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* ) 854 libgloss_dir=rs6000 855 ;; 856 rs6000-*-lynxos*) 857 noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}" 858 ;; 859 rs6000-*-aix*) 860 noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}" 861 ;; 862 rs6000-*-*) 863 noconfigdirs="$noconfigdirs gprof ${libgcj}" 864 ;; 865 m68k-apollo-*) 866 noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}" 867 ;; 868 microblaze*) 869 noconfigdirs="$noconfigdirs gprof ${libgcj}" 870 ;; 871 mips*-sde-elf*) 872 skipdirs="$skipdirs target-libiberty" 873 noconfigdirs="$noconfigdirs ${libgcj}" 874 if test x$with_newlib = xyes; then 875 noconfigdirs="$noconfigdirs gprof" 876 fi 877 libgloss_dir=mips 878 ;; 879 mips*-*-irix5*) 880 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}" 881 ;; 882 mips*-*-irix6*) 883 # Linking libjava exceeds command-line length limits on at least 884 # IRIX 6.2, but not on IRIX 6.5. 885 # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham 886 # <oldham@codesourcery.com> 887 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}" 888 ;; 889 mips*-*-bsd*) 890 noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}" 891 ;; 892 mips*-*-linux*) 893 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 894 ;; 895 mips*-*-*) 896 noconfigdirs="$noconfigdirs gprof ${libgcj}" 897 libgloss_dir=mips 898 ;; 899 romp-*-*) 900 noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}" 901 ;; 902 sh-*-* | sh64-*-*) 903 case "${host}" in 904 i[[3456789]]86-*-vsta) ;; # don't add gprof back in 905 i[[3456789]]86-*-go32*) ;; # don't add gprof back in 906 i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in 907 *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;; 908 esac 909 case "${target}" in 910 sh*-*-elf) 911 noconfigdirs="$noconfigdirs ${libgcj}" ;; 912 *) 913 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}" ;; 914 esac 915 ;; 916 sparclet-*-aout* | sparc86x-*-*) 917 libgloss_dir=sparc 918 ;; 919 sparc-*-elf*) 920 noconfigdirs="$noconfigdirs ${libgcj}" 921 ;; 922 sparc64-*-elf*) 923 noconfigdirs="$noconfigdirs ${libgcj}" 924 libgloss_dir=sparc 925 ;; 926 sparclite-*-*) 927 noconfigdirs="$noconfigdirs ${libgcj}" 928 libgloss_dir=sparc 929 ;; 930 sparc-*-sunos4*) 931 noconfigdirs="$noconfigdirs ${libgcj}" 932 if test x${is_cross_compiler} != xno ; then 933 noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss" 934 else 935 use_gnu_ld=no 936 fi 937 ;; 938 sparc-*-solaris2.[[0-6]] | sparc-*-solaris2.[[0-6]].*) 939 noconfigdirs="$noconfigdirs ${libgcj}" 940 ;; 941 sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*) 942 ;; 943 tic6x-*-*) 944 noconfigdirs="$noconfigdirs gdb sim ${libgcj}" 945 ;; 946 v810-*-*) 947 noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}" 948 ;; 949 v850-*-*) 950 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}" 951 ;; 952 v850e-*-*) 953 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}" 954 ;; 955 v850ea-*-*) 956 noconfigdirs="$noconfigdirs target-libgloss ${libgcj}" 957 ;; 958 vax-*-vms) 959 noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}" 960 ;; 961 vax-*-*) 962 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}" 963 ;; 964 xtensa*-*-*) 965 noconfigdirs="$noconfigdirs ${libgcj}" 966 ;; 967 ip2k-*-*) 968 noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}" 969 ;; 970 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 971 noconfigdirs="$noconfigdirs target-newlib target-libgloss" 972 ;; 973 *-*-lynxos*) 974 noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}" 975 ;; 976 *-*-*) 977 noconfigdirs="$noconfigdirs ${libgcj}" 978 ;; 979esac 980 981# If we aren't building newlib, then don't build libgloss, since libgloss 982# depends upon some newlib header files. 983case "${noconfigdirs}" in 984 *target-libgloss*) ;; 985 *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;; 986esac 987 988# Work in distributions that contain no compiler tools, like Autoconf. 989tentative_cc="" 990host_makefile_frag=/dev/null 991if test -d ${srcdir}/config ; then 992case "${host}" in 993 m68k-hp-hpux*) 994 # Avoid "too much defining" errors from HPUX compiler. 995 tentative_cc="cc -Wp,-H256000" 996 # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding. 997 # If it's HP/UX ar, this should be harmless. 998 RANLIB="ar ts" 999 ;; 1000 m68k-apollo-sysv*) 1001 tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG" 1002 ;; 1003 m68k-apollo-bsd*) 1004 #None of the Apollo compilers can compile gas or binutils. The preprocessor 1005 # chokes on bfd, the compiler won't let you assign integers to enums, and 1006 # other problems. Defining CC to gcc is a questionable way to say "don't use 1007 # the apollo compiler" (the preferred version of GCC could be called cc, 1008 # or whatever), but I'm not sure leaving CC as cc is any better... 1009 #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG 1010 # Used to have BISON=yacc. 1011 tentative_cc=gcc 1012 ;; 1013 m88k-dg-dgux*) 1014 tentative_cc="gcc -Wall -ansi -D__using_DGUX" 1015 ;; 1016 m88k-harris-cxux*) 1017 # Under CX/UX, we want to tell the compiler to use ANSI mode. 1018 tentative_cc="cc -Xa" 1019 host_makefile_frag="config/mh-cxux" 1020 ;; 1021 m88k-motorola-sysv*) 1022 ;; 1023 mips*-dec-ultrix*) 1024 tentative_cc="cc -Wf,-XNg1000" 1025 host_makefile_frag="config/mh-decstation" 1026 ;; 1027 mips*-nec-sysv4*) 1028 # The C compiler on NEC MIPS SVR4 needs bigger tables. 1029 tentative_cc="cc -ZXNd=5000 -ZXNg=1000" 1030 host_makefile_frag="config/mh-necv4" 1031 ;; 1032 mips*-sgi-irix4*) 1033 # Tell compiler to use K&R C. We can't compile under the SGI Ansi 1034 # environment. Also bump switch table size so that cp-parse will 1035 # compile. Bump string length limit so linker builds. 1036 tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192" 1037 ;; 1038 mips*-*-sysv4*) 1039 host_makefile_frag="config/mh-sysv4" 1040 ;; 1041 mips*-*-sysv*) 1042 # This is for a MIPS running RISC/os 4.52C. 1043 1044 # This is needed for GDB, but needs to be in the top-level make because 1045 # if a library is compiled with the bsd headers and gets linked with the 1046 # sysv system libraries all hell can break loose (e.g. a jmp_buf might be 1047 # a different size). 1048 # ptrace(2) apparently has problems in the BSD environment. No workaround is 1049 # known except to select the sysv environment. Could we use /proc instead? 1050 # These "sysv environments" and "bsd environments" often end up being a pain. 1051 # 1052 # This is not part of CFLAGS because perhaps not all C compilers have this 1053 # option. 1054 tentative_cc="cc -systype sysv" 1055 ;; 1056 i370-ibm-opened*) 1057 tentative_cc="c89" 1058 ;; 1059 i[[3456789]]86-*-sysv5*) 1060 host_makefile_frag="config/mh-sysv5" 1061 ;; 1062 i[[3456789]]86-*-dgux*) 1063 tentative_cc="gcc -Wall -ansi -D__using_DGUX" 1064 host_makefile_frag="config/mh-dgux386" 1065 ;; 1066 i[[3456789]]86-ncr-sysv4.3*) 1067 # The MetaWare compiler will generate a copyright message unless you 1068 # turn it off by adding the -Hnocopyr flag. 1069 tentative_cc="cc -Hnocopyr" 1070 ;; 1071 i[[3456789]]86-ncr-sysv4*) 1072 # for an NCR 3000 (i486/SVR4) system. 1073 # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc. 1074 # This compiler not only emits obnoxious copyright messages every time 1075 # you run it, but it chokes and dies on a whole bunch of GNU source 1076 # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc. 1077 tentative_cc="/usr/ccs/ATT/cc" 1078 host_makefile_frag="config/mh-ncr3000" 1079 ;; 1080 i[[3456789]]86-*-sco3.2v5*) 1081 ;; 1082 i[[3456789]]86-*-sco*) 1083 # The native C compiler botches some simple uses of const. Unfortunately, 1084 # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h. 1085 tentative_cc="cc -Dconst=" 1086 host_makefile_frag="config/mh-sco" 1087 ;; 1088 i[[3456789]]86-*-udk*) 1089 host_makefile_frag="config/mh-sysv5" 1090 ;; 1091 i[[3456789]]86-*-solaris2*) 1092 host_makefile_frag="config/mh-sysv4" 1093 ;; 1094 i[[3456789]]86-*-msdosdjgpp*) 1095 host_makefile_frag="config/mh-djgpp" 1096 ;; 1097 *-cygwin*) 1098 ACX_CHECK_CYGWIN_CAT_WORKS 1099 host_makefile_frag="config/mh-cygwin" 1100 ;; 1101 *-mingw*) 1102 host_makefile_frag="config/mh-mingw" 1103 ;; 1104 *-interix*) 1105 host_makefile_frag="config/mh-interix" 1106 ;; 1107 vax-*-ultrix2*) 1108 # The old BSD pcc isn't up to compiling parts of gdb so use gcc 1109 tentative_cc=gcc 1110 ;; 1111 *-*-solaris2*) 1112 host_makefile_frag="config/mh-solaris" 1113 ;; 1114 m68k-sun-sunos*) 1115 # Sun's C compiler needs the -J flag to be able to compile cp-parse.c 1116 # without overflowing the jump tables (-J says to use a 32 bit table) 1117 tentative_cc="cc -J" 1118 ;; 1119 hppa*-hp-hpux10*) 1120 tentative_cc="cc -Wp,-H256000" 1121 host_makefile_frag="config/mh-pa-hpux10" 1122 ;; 1123 hppa*-hp-hpux* | hppa*-*-hiux*) 1124 tentative_cc="cc -Wp,-H256000" 1125 host_makefile_frag="config/mh-pa" 1126 ;; 1127 hppa*-*) 1128 host_makefile_frag="config/mh-pa" 1129 ;; 1130 *-hp-hpux* | *-*-hiux*) 1131 tentative_cc="cc -Wp,-H256000" 1132 ;; 1133 rs6000-*-lynxos*) 1134 # /bin/cc is less than useful for our purposes. Always use GCC 1135 tentative_cc="/usr/cygnus/progressive/bin/gcc" 1136 host_makefile_frag="config/mh-lynxrs6k" 1137 ;; 1138 powerpc-*-darwin*) 1139 host_makefile_frag="config/mh-ppc-darwin" 1140 ;; 1141 powerpc-*-aix*) 1142 host_makefile_frag="config/mh-ppc-aix" 1143 ;; 1144 rs6000-*-aix*) 1145 host_makefile_frag="config/mh-ppc-aix" 1146 ;; 1147 *-*-lynxos*) 1148 # /bin/cc is less than useful for our purposes. Always use GCC 1149 tentative_cc="/bin/gcc" 1150 ;; 1151 *-*-sysv4*) 1152 host_makefile_frag="config/mh-sysv4" 1153 ;; 1154 # This is placed last to prevent interfering with the cases above. 1155 i[[3456789]]86-*-*) 1156 # Build the stage2 and stage3 compilers with -fomit-frame-pointer. 1157 host_makefile_frag="config/mh-x86omitfp" 1158 ;; 1159esac 1160fi 1161 1162# If we aren't going to be using gcc, see if we can extract a definition 1163# of CC from the fragment. 1164# Actually, use the 'pre-extracted' version above. 1165if test -z "${CC}" && test "${build}" = "${host}" ; then 1166 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:" 1167 found= 1168 for dir in $PATH; do 1169 test -z "$dir" && dir=. 1170 if test -f $dir/gcc; then 1171 found=yes 1172 break 1173 fi 1174 done 1175 IFS="$save_ifs" 1176 if test -z "${found}" && test -n "${tentative_cc}" ; then 1177 CC=$tentative_cc 1178 fi 1179fi 1180 1181if test "${build}" != "${host}" ; then 1182 AR_FOR_BUILD=${AR_FOR_BUILD-ar} 1183 AS_FOR_BUILD=${AS_FOR_BUILD-as} 1184 CC_FOR_BUILD=${CC_FOR_BUILD-gcc} 1185 CXX_FOR_BUILD=${CXX_FOR_BUILD-g++} 1186 GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj} 1187 GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran} 1188 DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool} 1189 LD_FOR_BUILD=${LD_FOR_BUILD-ld} 1190 NM_FOR_BUILD=${NM_FOR_BUILD-nm} 1191 RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib} 1192 WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres} 1193 WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc} 1194else 1195 AR_FOR_BUILD="\$(AR)" 1196 AS_FOR_BUILD="\$(AS)" 1197 CC_FOR_BUILD="\$(CC)" 1198 CXX_FOR_BUILD="\$(CXX)" 1199 GCJ_FOR_BUILD="\$(GCJ)" 1200 GFORTRAN_FOR_BUILD="\$(GFORTRAN)" 1201 DLLTOOL_FOR_BUILD="\$(DLLTOOL)" 1202 LD_FOR_BUILD="\$(LD)" 1203 NM_FOR_BUILD="\$(NM)" 1204 RANLIB_FOR_BUILD="\$(RANLIB)" 1205 WINDRES_FOR_BUILD="\$(WINDRES)" 1206 WINDMC_FOR_BUILD="\$(WINDMC)" 1207fi 1208 1209AC_PROG_CC 1210AC_PROG_CXX 1211 1212# We must set the default linker to the linker used by gcc for the correct 1213# operation of libtool. If LD is not defined and we are using gcc, try to 1214# set the LD default to the ld used by gcc. 1215if test -z "$LD"; then 1216 if test "$GCC" = yes; then 1217 case $build in 1218 *-*-mingw*) 1219 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;; 1220 *) 1221 gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;; 1222 esac 1223 case $gcc_prog_ld in 1224 # Accept absolute paths. 1225 [[\\/]* | [A-Za-z]:[\\/]*)] 1226 LD="$gcc_prog_ld" ;; 1227 esac 1228 fi 1229fi 1230 1231ACX_PROG_GNAT 1232ACX_PROG_CMP_IGNORE_INITIAL 1233 1234# See if we are building gcc with C++. 1235AC_ARG_ENABLE(build-with-cxx, 1236[ --enable-build-with-cxx build with C++ compiler instead of C compiler], 1237ENABLE_BUILD_WITH_CXX=$enableval, 1238ENABLE_BUILD_WITH_CXX=no) 1239 1240# Used for setting $lt_cv_objdir 1241_LT_CHECK_OBJDIR 1242 1243# Check for GMP, MPFR and MPC 1244gmplibs="-lmpc -lmpfr -lgmp" 1245gmpinc= 1246have_gmp=no 1247 1248# Specify a location for mpc 1249# check for this first so it ends up on the link line before mpfr. 1250AC_ARG_WITH(mpc, [ --with-mpc=PATH specify prefix directory for installed MPC package. 1251 Equivalent to --with-mpc-include=PATH/include 1252 plus --with-mpc-lib=PATH/lib]) 1253AC_ARG_WITH(mpc_include, [ --with-mpc-include=PATH 1254 specify directory for installed MPC include files]) 1255AC_ARG_WITH(mpc_lib, [ --with-mpc-lib=PATH specify directory for the installed MPC library]) 1256 1257if test "x$with_mpc" != x; then 1258 gmplibs="-L$with_mpc/lib $gmplibs" 1259 gmpinc="-I$with_mpc/include $gmpinc" 1260fi 1261if test "x$with_mpc_include" != x; then 1262 gmpinc="-I$with_mpc_include $gmpinc" 1263fi 1264if test "x$with_mpc_lib" != x; then 1265 gmplibs="-L$with_mpc_lib $gmplibs" 1266fi 1267if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then 1268 gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs" 1269 gmpinc='-I$$s/mpc/src '"$gmpinc" 1270 # Do not test the mpc version. Assume that it is sufficient, since 1271 # it is in the source tree, and the library has not been built yet 1272 # but it would be included on the link line in the version check below 1273 # hence making the test fail. 1274 have_gmp=yes 1275fi 1276 1277# Specify a location for mpfr 1278# check for this first so it ends up on the link line before gmp. 1279AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH this option has been REMOVED], 1280 AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed. 1281Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])) 1282 1283AC_ARG_WITH(mpfr, [ --with-mpfr=PATH specify prefix directory for installed MPFR package. 1284 Equivalent to --with-mpfr-include=PATH/include 1285 plus --with-mpfr-lib=PATH/lib]) 1286AC_ARG_WITH(mpfr_include, [ --with-mpfr-include=PATH 1287 specify directory for installed MPFR include files]) 1288AC_ARG_WITH(mpfr_lib, [ --with-mpfr-lib=PATH specify directory for the installed MPFR library]) 1289 1290if test "x$with_mpfr" != x; then 1291 gmplibs="-L$with_mpfr/lib $gmplibs" 1292 gmpinc="-I$with_mpfr/include $gmpinc" 1293fi 1294if test "x$with_mpfr_include" != x; then 1295 gmpinc="-I$with_mpfr_include $gmpinc" 1296fi 1297if test "x$with_mpfr_lib" != x; then 1298 gmplibs="-L$with_mpfr_lib $gmplibs" 1299fi 1300if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then 1301 gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs" 1302 gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc" 1303 extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir" 1304 # Do not test the mpfr version. Assume that it is sufficient, since 1305 # it is in the source tree, and the library has not been built yet 1306 # but it would be included on the link line in the version check below 1307 # hence making the test fail. 1308 have_gmp=yes 1309fi 1310 1311# Specify a location for gmp 1312AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH this option has been REMOVED], 1313 AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed. 1314Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])) 1315 1316AC_ARG_WITH(gmp, [ --with-gmp=PATH specify prefix directory for the installed GMP package. 1317 Equivalent to --with-gmp-include=PATH/include 1318 plus --with-gmp-lib=PATH/lib]) 1319AC_ARG_WITH(gmp_include, [ --with-gmp-include=PATH specify directory for installed GMP include files]) 1320AC_ARG_WITH(gmp_lib, [ --with-gmp-lib=PATH specify directory for the installed GMP library]) 1321 1322 1323if test "x$with_gmp" != x; then 1324 gmplibs="-L$with_gmp/lib $gmplibs" 1325 gmpinc="-I$with_gmp/include $gmpinc" 1326fi 1327if test "x$with_gmp_include" != x; then 1328 gmpinc="-I$with_gmp_include $gmpinc" 1329fi 1330if test "x$with_gmp_lib" != x; then 1331 gmplibs="-L$with_gmp_lib $gmplibs" 1332fi 1333if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then 1334 gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $gmplibs" 1335 gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc" 1336 extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir" 1337 extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir" 1338 # Do not test the gmp version. Assume that it is sufficient, since 1339 # it is in the source tree, and the library has not been built yet 1340 # but it would be included on the link line in the version check below 1341 # hence making the test fail. 1342 have_gmp=yes 1343fi 1344 1345if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then 1346 have_gmp=yes 1347 saved_CFLAGS="$CFLAGS" 1348 CFLAGS="$CFLAGS $gmpinc" 1349 # Check for the recommended and required versions of GMP. 1350 AC_MSG_CHECKING([for the correct version of gmp.h]) 1351 AC_TRY_COMPILE([#include "gmp.h"],[ 1352 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) 1353 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) 1354 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,0) 1355 choke me 1356 #endif 1357 ], [AC_TRY_COMPILE([#include <gmp.h>],[ 1358 #define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) 1359 #define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL) 1360 #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2) 1361 choke me 1362 #endif 1363 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1364 [AC_MSG_RESULT([no]); have_gmp=no]) 1365 1366 # If we have GMP, check the MPFR version. 1367 if test x"$have_gmp" = xyes; then 1368 # Check for the recommended and required versions of MPFR. 1369 AC_MSG_CHECKING([for the correct version of mpfr.h]) 1370 AC_TRY_COMPILE([#include <gmp.h> 1371 #include <mpfr.h>],[ 1372 #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,1) 1373 choke me 1374 #endif 1375 ], [AC_TRY_COMPILE([#include <gmp.h> 1376 #include <mpfr.h>],[ 1377 #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2) 1378 choke me 1379 #endif 1380 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1381 [AC_MSG_RESULT([no]); have_gmp=no]) 1382 fi 1383 1384 # Check for the MPC header version. 1385 if test x"$have_gmp" = xyes ; then 1386 # Check for the recommended and required versions of MPC. 1387 AC_MSG_CHECKING([for the correct version of mpc.h]) 1388 AC_TRY_COMPILE([#include <mpc.h>],[ 1389 #if MPC_VERSION < MPC_VERSION_NUM(0,8,0) 1390 choke me 1391 #endif 1392 ], [AC_TRY_COMPILE([#include <mpc.h>],[ 1393 #if MPC_VERSION < MPC_VERSION_NUM(0,8,1) 1394 choke me 1395 #endif 1396 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1397 [AC_MSG_RESULT([no]); have_gmp=no]) 1398 fi 1399 1400 # Now check the MPFR library. 1401 if test x"$have_gmp" = xyes; then 1402 saved_LIBS="$LIBS" 1403 LIBS="$LIBS $gmplibs" 1404 AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries]) 1405 AC_TRY_LINK([#include <mpc.h>],[ 1406 mpfr_t n; 1407 mpfr_t x; 1408 mpc_t c; 1409 int t; 1410 mpfr_init (n); 1411 mpfr_init (x); 1412 mpfr_atan2 (n, n, x, GMP_RNDN); 1413 mpfr_erfc (n, x, GMP_RNDN); 1414 mpfr_subnormalize (x, t, GMP_RNDN); 1415 mpfr_clear(n); 1416 mpfr_clear(x); 1417 mpc_init2 (c, 53); 1418 mpc_set_ui_ui (c, 1, 1, MPC_RNDNN); 1419 mpc_cosh (c, c, MPC_RNDNN); 1420 mpc_pow (c, c, c, MPC_RNDNN); 1421 mpc_acosh (c, c, MPC_RNDNN); 1422 mpc_clear (c); 1423 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no]) 1424 LIBS="$saved_LIBS" 1425 fi 1426 1427 CFLAGS="$saved_CFLAGS" 1428 1429# The library versions listed in the error message below should match 1430# the HARD-minimums enforced above. 1431 if test x$have_gmp != xyes; then 1432 AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.3.1+ and MPC 0.8.0+. 1433Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify 1434their locations. Source code for these libraries can be found at 1435their respective hosting sites as well as at 1436ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also 1437http://gcc.gnu.org/install/prerequisites.html for additional info. If 1438you obtained GMP, MPFR and/or MPC from a vendor distribution package, 1439make sure that you have installed both the libraries and the header 1440files. They may be located in separate packages.]) 1441 fi 1442fi 1443 1444# Flags needed for both GMP, MPFR and/or MPC. 1445AC_SUBST(gmplibs) 1446AC_SUBST(gmpinc) 1447AC_SUBST(extra_mpfr_configure_flags) 1448AC_SUBST(extra_mpc_gmp_configure_flags) 1449AC_SUBST(extra_mpc_mpfr_configure_flags) 1450 1451# Allow host libstdc++ to be specified for static linking with PPL. 1452AC_ARG_WITH(host-libstdcxx, [ --with-host-libstdcxx=L Use linker arguments L to link with libstdc++ 1453 when linking with PPL]) 1454 1455case $with_host_libstdcxx in 1456 no|yes) 1457 AC_MSG_ERROR([-with-host-libstdcxx needs an argument]) 1458 ;; 1459esac 1460 1461# Linker flags to use for stage1 or when not boostrapping. 1462AC_ARG_WITH(stage1-ldflags, 1463[ --with-stage1-ldflags=FLAGS Linker flags for stage1], 1464[if test "$withval" = "no" -o "$withval" = "yes"; then 1465 stage1_ldflags= 1466 else 1467 stage1_ldflags=$withval 1468 fi], 1469[stage1_ldflags=]) 1470AC_SUBST(stage1_ldflags) 1471 1472# Libraries to use for stage1 or when not bootstrapping. 1473AC_ARG_WITH(stage1-libs, 1474[ -with-stage1-libs=LIBS Libraries for stage1], 1475[if test "$withval" = "no" -o "$withval" = "yes"; then 1476 stage1_libs= 1477 else 1478 stage1_libs=$withval 1479 fi], 1480[stage1_libs=$with_host_libstdcxx]) 1481AC_SUBST(stage1_libs) 1482 1483# Libraries to use for stage2 and later builds. This defaults to the 1484# argument passed to --with-host-libstdcxx. 1485AC_ARG_WITH(boot-libs, 1486[ --with-boot-libs=LIBS Libraries for stage2 and later], 1487[if test "$withval" = "no" -o "$withval" = "yes"; then 1488 poststage1_libs= 1489 else 1490 poststage1_libs=$withval 1491 fi], 1492[poststage1_libs=$with_host_libstdcxx]) 1493AC_SUBST(poststage1_libs) 1494 1495# Linker flags to use for stage2 and later builds. 1496AC_ARG_WITH(boot-ldflags, 1497[ --with-boot-ldflags=FLAGS Linker flags for stage2 and later], 1498[if test "$withval" = "no" -o "$withval" = "yes"; then 1499 poststage1_ldflags= 1500 else 1501 poststage1_ldflags=$withval 1502 fi], 1503[poststage1_ldflags= 1504 # With --enable-build-with-cxx, default to linking libstdc++ and 1505 # libgcc statically. But if the user explicitly specified the 1506 # libraries to use, trust that they are doing what they want. 1507 if test "$ENABLE_BUILD_WITH_CXX" = "yes" -a "$poststage1_libs" = ""; then 1508 poststage1_ldflags="-static-libstdc++ -static-libgcc" 1509 fi]) 1510AC_SUBST(poststage1_ldflags) 1511 1512# Check for PPL 1513ppllibs=" -lppl_c -lppl -lgmpxx" 1514pplinc= 1515 1516AC_ARG_WITH(ppl, [ --with-ppl=PATH Specify prefix directory for the installed PPL package 1517 Equivalent to --with-ppl-include=PATH/include 1518 plus --with-ppl-lib=PATH/lib]) 1519AC_ARG_WITH(ppl_include, [ --with-ppl-include=PATH Specify directory for installed PPL include files]) 1520AC_ARG_WITH(ppl_lib, [ --with-ppl-lib=PATH Specify the directory for the installed PPL library]) 1521 1522case $with_ppl in 1523 no) 1524 ppllibs= 1525 ;; 1526 "" | yes) 1527 ;; 1528 *) 1529 ppllibs="-L$with_ppl/lib -lppl_c -lppl -lgmpxx" 1530 pplinc="-I$with_ppl/include $pplinc" 1531 ;; 1532esac 1533if test "x$with_ppl_include" != x; then 1534 pplinc="-I$with_ppl_include $pplinc" 1535fi 1536if test "x$with_ppl_lib" != x; then 1537 ppllibs="-L$with_ppl_lib -lppl_c -lppl -lgmpxx" 1538fi 1539if test "x$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then 1540 ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/interfaces/C/'"$lt_cv_objdir"' -L$$r/$(HOST_SUBDIR)/ppl/src/'"$lt_cv_objdir"' -lppl_c -lppl -lgmpxx ' 1541 pplinc='-I$$r/$(HOST_SUBDIR)/ppl/src -I$$r/$(HOST_SUBDIR)/ppl/interfaces/C ' 1542 enable_ppl_version_check=no 1543fi 1544 1545AC_ARG_ENABLE(ppl-version-check, 1546[ --disable-ppl-version-check disable check for PPL version], 1547ENABLE_PPL_CHECK=$enableval, 1548ENABLE_PPL_CHECK=yes) 1549 1550if test "x$with_ppl" != "xno" -a "${ENABLE_PPL_CHECK}" = "yes"; then 1551 saved_CFLAGS="$CFLAGS" 1552 CFLAGS="$CFLAGS $pplinc $gmpinc" 1553 AC_MSG_CHECKING([for version 0.10 (or later revision) of PPL]) 1554 AC_TRY_COMPILE([#include "ppl_c.h"],[ 1555 #if PPL_VERSION_MAJOR != 0 || PPL_VERSION_MINOR < 10 1556 choke me 1557 #endif 1558 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); ppllibs= ; pplinc= ; with_ppl=no ]) 1559 CFLAGS="$saved_CFLAGS" 1560fi 1561 1562# Flags needed for PPL 1563AC_SUBST(ppllibs) 1564AC_SUBST(pplinc) 1565 1566 1567# Check for CLOOG 1568clooglibs=" -lcloog " 1569clooginc=" -DCLOOG_PPL_BACKEND " 1570 1571AC_ARG_WITH(cloog, [ --with-cloog=PATH Specify prefix directory for the installed CLooG-PPL package 1572 Equivalent to --with-cloog-include=PATH/include 1573 plus --with-cloog-lib=PATH/lib]) 1574AC_ARG_WITH(cloog_include, [ --with-cloog-include=PATH Specify directory for installed CLooG include files]) 1575AC_ARG_WITH(cloog_lib, [ --with-cloog-lib=PATH Specify the directory for the installed CLooG library]) 1576 1577if test "x$with_ppl" = "xno"; then 1578 with_cloog=no 1579fi 1580 1581case $with_cloog in 1582 no) 1583 clooglibs= 1584 clooginc= 1585 ;; 1586 "" | yes) 1587 ;; 1588 *) 1589 clooglibs="-L$with_cloog/lib -lcloog" 1590 clooginc="-I$with_cloog/include -DCLOOG_PPL_BACKEND " 1591 ;; 1592esac 1593if test "x$with_cloog_include" != x; then 1594 clooginc="-I$with_cloog_include -DCLOOG_PPL_BACKEND " 1595fi 1596if test "x$with_cloog_lib" != x; then 1597 clooglibs="-L$with_cloog_lib -lcloog" 1598fi 1599if test "x$with_cloog$with_cloog_include$with_cloog_lib" = x && test -d ${srcdir}/cloog; then 1600 clooglibs='-L$$r/$(HOST_SUBDIR)/cloog/'"$lt_cv_objdir"' -lcloog ' 1601 clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include -DCLOOG_PPL_BACKEND ' 1602 enable_cloog_version_check=no 1603fi 1604 1605AC_ARG_ENABLE(cloog-version-check, 1606[ --disable-cloog-version-check disable check for CLooG version], 1607ENABLE_CLOOG_CHECK=$enableval, 1608ENABLE_CLOOG_CHECK=yes) 1609 1610if test "x$with_cloog" != "xno" -a "${ENABLE_CLOOG_CHECK}" = "yes"; then 1611 saved_CFLAGS="$CFLAGS" 1612 CFLAGS="$CFLAGS $clooginc $gmpinc $pplinc" 1613 AC_MSG_CHECKING([for version 0.15.5 (or later revision) of CLooG]) 1614 AC_TRY_COMPILE([#include "cloog/cloog.h"],[ 1615 #if CLOOG_VERSION_MAJOR != 0 || CLOOG_VERSION_MINOR != 15 || CLOOG_VERSION_REVISION < 5 1616 choke me 1617 #endif 1618 ], [AC_TRY_COMPILE([#include "cloog/cloog.h"],[ 1619 #if CLOOG_VERSION_MAJOR != 0 || CLOOG_VERSION_MINOR != 15 || CLOOG_VERSION_REVISION < 9 1620 choke me 1621 #endif 1622 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])], 1623 [AC_MSG_RESULT([no]); clooglibs= ; clooginc= ]) 1624 CFLAGS="$saved_CFLAGS" 1625fi 1626 1627# Flags needed for CLOOG 1628AC_SUBST(clooglibs) 1629AC_SUBST(clooginc) 1630 1631# Check for LTO support. 1632AC_ARG_ENABLE(lto, 1633[ --enable-lto enable link time optimization support], 1634enable_lto=$enableval, 1635enable_lto=yes; default_enable_lto=yes) 1636 1637 1638ACX_ELF_TARGET_IFELSE([if test x"$enable_lto" = x"yes" ; then 1639 # Make sure that libelf.h and gelf.h are available. 1640 AC_ARG_WITH(libelf, [ --with-libelf=PATH Specify prefix directory for the installed libelf package 1641 Equivalent to --with-libelf-include=PATH/include 1642 plus --with-libelf-lib=PATH/lib]) 1643 1644 AC_ARG_WITH(libelf_include, [ --with-libelf-include=PATH Specify directory for installed libelf include files]) 1645 1646 AC_ARG_WITH(libelf_lib, [ --with-libelf-lib=PATH Specify the directory for the installed libelf library]) 1647 1648 saved_CFLAGS="$CFLAGS" 1649 saved_CPPFLAGS="$CPPFLAGS" 1650 saved_LIBS="$LIBS" 1651 1652 case $with_libelf in 1653 "") 1654 libelflibs="-lelf" 1655 libelfinc="-I/usr/include/libelf" 1656 ;; 1657 *) 1658 libelflibs="-L$with_libelf/lib -lelf" 1659 libelfinc="-I$with_libelf/include -I$with_libelf/include/libelf" 1660 LIBS="$libelflibs $LIBS" 1661 ;; 1662 esac 1663 1664 if test "x$with_libelf_include" != x; then 1665 libelfinc="-I$with_libelf_include" 1666 fi 1667 1668 if test "x$with_libelf_lib" != x; then 1669 libelflibs="-L$with_libelf_lib -lelf" 1670 LIBS="$libelflibs $LIBS" 1671 fi 1672 1673 if test "x$with_libelf$with_libelf_include$with_libelf_lib" = x \ 1674 && test -d ${srcdir}/libelf; then 1675 libelflibs='-L$$r/$(HOST_SUBDIR)/libelf/lib -lelf ' 1676 libelfinc='-D__LIBELF_INTERNAL__ -I$$r/$(HOST_SUBDIR)/libelf/lib -I$$s/libelf/lib' 1677 LIBS="$libelflibs $LIBS" 1678 1679 else 1680 1681 CFLAGS="$CFLAGS $libelfinc" 1682 CPPFLAGS="$CPPFLAGS $libelfinc" 1683 LIBS="$LIBS $libelflibs" 1684 1685 AC_CHECK_HEADERS(libelf.h, [have_libelf_h=yes]) 1686 AC_CHECK_HEADERS(gelf.h, [have_gelf_h=yes]) 1687 1688 AC_CHECK_HEADERS(libelf/libelf.h, [have_libelf_libelf_h=yes]) 1689 AC_CHECK_HEADERS(libelf/gelf.h, [have_libelf_gelf_h=yes]) 1690 1691 # If we couldn't find libelf.h and the user forced it, emit an error. 1692 if test x"$have_libelf_h" != x"yes" \ 1693 && test x"$have_libelf_libelf_h" != x"yes" ; then 1694 if test x"$default_enable_lto" != x"yes" ; then 1695 AC_MSG_ERROR([LTO support requires libelf.h or libelf/libelf.h.]) 1696 else 1697 enable_lto=no 1698 libelflibs= 1699 libelfinc= 1700 fi 1701 fi 1702 1703 # If we couldn't find gelf.h and the user forced it, emit an error. 1704 if test x"$have_gelf_h" != x"yes" \ 1705 && test x"$have_libelf_gelf_h" != x"yes" ; then 1706 if test x"$default_enable_lto" != x"yes" ; then 1707 AC_MSG_ERROR([LTO support requires gelf.h or libelf/gelf.h.]) 1708 else 1709 enable_lto=no 1710 libelflibs= 1711 libelfinc= 1712 fi 1713 fi 1714 1715 # Check that the detected libelf has the functions we need. We cannot 1716 # rely on just detecting the headers since they do not include 1717 # versioning information. Add functions, if needed. 1718 if test x"$enable_lto" = x"yes" ; then 1719 AC_MSG_CHECKING([for the correct version of libelf]) 1720 AC_TRY_LINK( 1721 [#include <libelf.h>],[ 1722 elf_errmsg (0); 1723 elf_getscn (0, 0); 1724 elf_nextscn (0, 0); 1725 elf_strptr (0, 0, 0); 1726 elf_getident (0, 0); 1727 elf_begin (0, 0, 0); 1728 elf_ndxscn (0); 1729 elf_end (0); 1730 ], 1731 [AC_MSG_RESULT([yes]);], 1732 [AC_MSG_RESULT([no]); enable_lto=no; libelflibs= ; libelfinc= ] 1733 ) 1734 1735 # Check for elf_getshdrstrndx or elf_getshstrndx. The latter's flavor 1736 # is determined in gcc/configure.ac. 1737 if test x"$enable_lto" = x"yes" ; then 1738 AC_MSG_CHECKING([for elf_getshdrstrndx]) 1739 AC_TRY_LINK( 1740 [#include <libelf.h>],[ 1741 elf_getshdrstrndx (0, 0); 1742 ], 1743 [AC_MSG_RESULT([yes]);], 1744 [AC_MSG_RESULT([no]); 1745 AC_MSG_CHECKING([for elf_getshstrndx]) 1746 AC_TRY_LINK( 1747 [#include <libelf.h>],[ 1748 elf_getshstrndx (0, 0); 1749 ], 1750 [AC_MSG_RESULT([yes]);], 1751 [AC_MSG_RESULT([no]); enable_lto=no; libelflibs= ; libelfinc= ] 1752 )] 1753 ) 1754 fi 1755 1756 # If we couldn't enable LTO and the user forced it, emit an error. 1757 if test x"$enable_lto" = x"no" \ 1758 && test x"$default_enable_lto" != x"yes" ; then 1759 AC_MSG_ERROR([To enable LTO, GCC requires libelf v0.8.12+. 1760Try the --with-libelf, --with-libelf-include and --with-libelf-lib options 1761to specify its location.]) 1762 fi 1763 fi 1764 1765 CFLAGS="$saved_CFLAGS" 1766 CPPFLAGS="$saved_CPPFLAGS" 1767 LIBS="$saved_LIBS" 1768 1769 fi 1770 1771 # Flags needed for libelf. 1772 AC_SUBST(libelflibs) 1773 AC_SUBST(libelfinc) 1774fi],[if test x"$default_enable_lto" = x"yes" ; then 1775 # On non-ELF platforms, LTO must be explicitly enabled. 1776 enable_lto=no 1777 else 1778 # Apart from ELF platforms, only Windows supports LTO so far. It 1779 # would also be nice to check the binutils support, but we don't 1780 # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just 1781 # warn during gcc/ subconfigure; unless you're bootstrapping with 1782 # -flto it won't be needed until after installation anyway. 1783 case $target in 1784 *-cygwin*|*-mingw*) ;; 1785 x86_64-apple-darwin*) ;; 1786 *) if test x"$enable_lto" = x"yes"; then 1787 AC_MSG_ERROR([LTO support is not enabled for this target.]) 1788 fi 1789 ;; 1790 esac 1791 fi 1792 default_enable_lto=no]) 1793 1794 1795# By default, C is the only stage 1 language. 1796stage1_languages=,c, 1797 1798# Target libraries that we bootstrap. 1799bootstrap_target_libs=,target-libgcc, 1800 1801# Figure out what language subdirectories are present. 1802# Look if the user specified --enable-languages="..."; if not, use 1803# the environment variable $LANGUAGES if defined. $LANGUAGES might 1804# go away some day. 1805# NB: embedded tabs in this IF block -- do not untabify 1806if test -d ${srcdir}/gcc; then 1807 if test x"${enable_languages+set}" != xset; then 1808 if test x"${LANGUAGES+set}" = xset; then 1809 enable_languages="${LANGUAGES}" 1810 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2 1811 else 1812 enable_languages=all 1813 fi 1814 else 1815 if test x"${enable_languages}" = x || 1816 test x"${enable_languages}" = xyes; 1817 then 1818 echo configure.in: --enable-languages needs at least one language argument 1>&2 1819 exit 1 1820 fi 1821 fi 1822 enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'` 1823 1824 # 'f95' is the old name for the 'fortran' language. We issue a warning 1825 # and make the substitution. 1826 case ,${enable_languages}, in 1827 *,f95,*) 1828 echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2 1829 enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'` 1830 ;; 1831 esac 1832 1833 # First scan to see if an enabled language requires some other language. 1834 # We assume that a given config-lang.in will list all the language 1835 # front ends it requires, even if some are required indirectly. 1836 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do 1837 case ${lang_frag} in 1838 ..) ;; 1839 # The odd quoting in the next line works around 1840 # an apparent bug in bash 1.12 on linux. 1841 ${srcdir}/gcc/[[*]]/config-lang.in) ;; 1842 *) 1843 # From the config-lang.in, get $language, $lang_requires 1844 language= 1845 lang_requires= 1846 . ${lang_frag} 1847 for other in ${lang_requires} ; do 1848 case ,${enable_languages}, in 1849 *,$other,*) ;; 1850 *,all,*) ;; 1851 *,$language,*) 1852 echo " \`$other' language required by \`$language'; enabling" 1>&2 1853 enable_languages="${enable_languages},${other}" 1854 ;; 1855 esac 1856 done 1857 ;; 1858 esac 1859 done 1860 1861 new_enable_languages=,c, 1862 1863 # If LTO is enabled, add the LTO front end. 1864 extra_host_libiberty_configure_flags= 1865 if test "$enable_lto" = "yes" ; then 1866 case ,${enable_languages}, in 1867 *,lto,*) ;; 1868 *) enable_languages="${enable_languages},lto" ;; 1869 esac 1870 if test "${ENABLE_GOLD}" = "yes" ; then 1871 configdirs="$configdirs lto-plugin" 1872 extra_host_libiberty_configure_flags=--enable-shared 1873 fi 1874 fi 1875 AC_SUBST(extra_host_libiberty_configure_flags) 1876 1877 missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ ` 1878 potential_languages=,c, 1879 1880 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do 1881 case ${lang_frag} in 1882 ..) ;; 1883 # The odd quoting in the next line works around 1884 # an apparent bug in bash 1.12 on linux. 1885 ${srcdir}/gcc/[[*]]/config-lang.in) ;; 1886 *) 1887 # From the config-lang.in, get $language, $target_libs, 1888 # $lang_dirs, $boot_language, and $build_by_default 1889 language= 1890 target_libs= 1891 lang_dirs= 1892 subdir_requires= 1893 boot_language=no 1894 build_by_default=yes 1895 . ${lang_frag} 1896 if test x${language} = x; then 1897 echo "${lang_frag} doesn't set \$language." 1>&2 1898 exit 1 1899 fi 1900 1901 if test "$language" = "c++" \ 1902 && test "$ENABLE_BUILD_WITH_CXX" = "yes"; then 1903 boot_language=yes 1904 fi 1905 1906 case ,${enable_languages}, in 1907 *,${language},*) 1908 # Language was explicitly selected; include it. 1909 add_this_lang=yes 1910 ;; 1911 *,all,*) 1912 # 'all' was selected, select it if it is a default language 1913 add_this_lang=${build_by_default} 1914 ;; 1915 *) 1916 add_this_lang=no 1917 ;; 1918 esac 1919 1920 # Disable languages that need other directories if these aren't available. 1921 for i in $subdir_requires; do 1922 test -f "$srcdir/gcc/$i/config-lang.in" && continue 1923 case ,${enable_languages}, in 1924 *,${language},*) 1925 # Specifically requested language; tell them. 1926 AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing]) 1927 ;; 1928 *) 1929 # Silently disable. 1930 add_this_lang=unsupported 1931 ;; 1932 esac 1933 done 1934 1935 # Disable Ada if no preexisting GNAT is available. 1936 case ,${enable_languages},:${language}:${have_gnat} in 1937 *,${language},*:ada:no) 1938 # Specifically requested language; tell them. 1939 AC_MSG_ERROR([GNAT is required to build $language]) 1940 ;; 1941 *:ada:no) 1942 # Silently disable. 1943 add_this_lang=unsupported 1944 ;; 1945 esac 1946 1947 # Disable a language that is unsupported by the target. 1948 case " $unsupported_languages " in 1949 *" $language "*) 1950 add_this_lang=unsupported 1951 ;; 1952 esac 1953 1954 case $add_this_lang in 1955 unsupported) 1956 # Remove language-dependent dirs. 1957 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\" 1958 ;; 1959 no) 1960 # Remove language-dependent dirs; still show language as supported. 1961 eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\" 1962 potential_languages="${potential_languages}${language}," 1963 ;; 1964 yes) 1965 new_enable_languages="${new_enable_languages}${language}," 1966 potential_languages="${potential_languages}${language}," 1967 missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"` 1968 case "${boot_language}:,$enable_stage1_languages," in 1969 yes:* | *:*,$language,* | *:*,yes, | *:*,all,) 1970 # Add to (comma-separated) list of stage 1 languages. 1971 case ",$stage1_languages," in 1972 *,$language,* | ,yes, | ,all,) ;; 1973 *) stage1_languages="${stage1_languages}${language}," ;; 1974 esac 1975 # We need to bootstrap any supporting libraries. 1976 bootstrap_target_libs="${bootstrap_target_libs}${target_libs}," 1977 ;; 1978 esac 1979 ;; 1980 esac 1981 ;; 1982 esac 1983 done 1984 1985 AC_ARG_ENABLE(stage1-languages, 1986[ --enable-stage1-languages@<:@=all@:>@ choose additional languages to build during 1987 stage1. Mostly useful for compiler development.], 1988 [case ,${enable_stage1_languages}, in 1989 ,no,|,,) 1990 # Set it to something that will have no effect in the loop below 1991 enable_stage1_languages=c ;; 1992 ,yes,) 1993 enable_stage1_languages=`echo $new_enable_languages | \ 1994 sed -e "s/^,//" -e "s/,$//" ` ;; 1995 *,all,*) 1996 enable_stage1_languages=`echo ,$enable_stage1_languages, | \ 1997 sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;; 1998 esac 1999 2000 # Add "good" languages from enable_stage1_languages to stage1_languages, 2001 # while "bad" languages go in missing_languages. Leave no duplicates. 2002 for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do 2003 case $potential_languages in 2004 *,$i,*) 2005 case $stage1_languages in 2006 *,$i,*) ;; 2007 *) stage1_languages="$stage1_languages$i," ;; 2008 esac ;; 2009 *) 2010 case $missing_languages in 2011 *,$i,*) ;; 2012 *) missing_languages="$missing_languages$i," ;; 2013 esac ;; 2014 esac 2015 done]) 2016 2017 # Remove leading/trailing commas that were added for simplicity 2018 potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"` 2019 missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"` 2020 stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"` 2021 new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"` 2022 2023 if test "x$missing_languages" != x; then 2024 AC_MSG_ERROR([ 2025The following requested languages could not be built: ${missing_languages} 2026Supported languages are: ${potential_languages}]) 2027 fi 2028 if test "x$new_enable_languages" != "x$enable_languages"; then 2029 echo The following languages will be built: ${new_enable_languages} 2030 enable_languages="$new_enable_languages" 2031 fi 2032 2033 AC_SUBST(stage1_languages) 2034 ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" ` 2035fi 2036 2037# Handle --disable-<component> generically. 2038for dir in $configdirs $build_configdirs $target_configdirs ; do 2039 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g` 2040 varname=`echo $dirname | sed -e s/+/_/g` 2041 if eval test x\${enable_${varname}} "=" xno ; then 2042 noconfigdirs="$noconfigdirs $dir" 2043 fi 2044done 2045 2046# Check for Boehm's garbage collector 2047AC_ARG_ENABLE(objc-gc, 2048[ --enable-objc-gc enable use of Boehm's garbage collector with the 2049 GNU Objective-C runtime], 2050[case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in 2051 *,objc,*:*:yes:*target-boehm-gc*) 2052 AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration]) 2053 ;; 2054esac]) 2055 2056# Make sure we only build Boehm's garbage collector if required. 2057case ,${enable_languages},:${enable_objc_gc} in 2058 *,objc,*:yes) 2059 # Keep target-boehm-gc if requested for Objective-C. 2060 ;; 2061 *) 2062 # Otherwise remove target-boehm-gc depending on target-libjava. 2063 if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then 2064 noconfigdirs="$noconfigdirs target-boehm-gc" 2065 fi 2066 ;; 2067esac 2068 2069# Remove the entries in $skipdirs and $noconfigdirs from $configdirs, 2070# $build_configdirs and $target_configdirs. 2071# If we have the source for $noconfigdirs entries, add them to $notsupp. 2072 2073notsupp="" 2074for dir in . $skipdirs $noconfigdirs ; do 2075 dirname=`echo $dir | sed -e s/target-//g -e s/build-//g` 2076 if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2077 configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"` 2078 if test -r $srcdir/$dirname/configure ; then 2079 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2080 true 2081 else 2082 notsupp="$notsupp $dir" 2083 fi 2084 fi 2085 fi 2086 if test $dir != . && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2087 build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"` 2088 if test -r $srcdir/$dirname/configure ; then 2089 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2090 true 2091 else 2092 notsupp="$notsupp $dir" 2093 fi 2094 fi 2095 fi 2096 if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2097 target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"` 2098 if test -r $srcdir/$dirname/configure ; then 2099 if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2100 true 2101 else 2102 notsupp="$notsupp $dir" 2103 fi 2104 fi 2105 fi 2106done 2107 2108# Sometimes the tools are distributed with libiberty but with no other 2109# libraries. In that case, we don't want to build target-libiberty. 2110# Don't let libgcc imply libiberty either. 2111if test -n "${target_configdirs}" ; then 2112 libgcc= 2113 others= 2114 for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do 2115 if test "$i" = "libgcc"; then 2116 libgcc=target-libgcc 2117 elif test "$i" != "libiberty" ; then 2118 if test -r $srcdir/$i/configure ; then 2119 others=yes; 2120 break; 2121 fi 2122 fi 2123 done 2124 if test -z "${others}" ; then 2125 target_configdirs=$libgcc 2126 fi 2127fi 2128 2129# Quietly strip out all directories which aren't configurable in this tree. 2130# This relies on all configurable subdirectories being autoconfiscated, which 2131# is now the case. 2132build_configdirs_all="$build_configdirs" 2133build_configdirs= 2134for i in ${build_configdirs_all} ; do 2135 j=`echo $i | sed -e s/build-//g` 2136 if test -f ${srcdir}/$j/configure ; then 2137 build_configdirs="${build_configdirs} $i" 2138 fi 2139done 2140 2141configdirs_all="$configdirs" 2142configdirs= 2143for i in ${configdirs_all} ; do 2144 if test -f ${srcdir}/$i/configure ; then 2145 configdirs="${configdirs} $i" 2146 fi 2147done 2148 2149target_configdirs_all="$target_configdirs" 2150target_configdirs= 2151for i in ${target_configdirs_all} ; do 2152 j=`echo $i | sed -e s/target-//g` 2153 if test -f ${srcdir}/$j/configure ; then 2154 target_configdirs="${target_configdirs} $i" 2155 fi 2156done 2157 2158# Produce a warning message for the subdirs we can't configure. 2159# This isn't especially interesting in the Cygnus tree, but in the individual 2160# FSF releases, it's important to let people know when their machine isn't 2161# supported by the one or two programs in a package. 2162 2163if test -n "${notsupp}" && test -z "${norecursion}" ; then 2164 # If $appdirs is non-empty, at least one of those directories must still 2165 # be configured, or we error out. (E.g., if the gas release supports a 2166 # specified target in some subdirs but not the gas subdir, we shouldn't 2167 # pretend that all is well.) 2168 if test -n "$appdirs" ; then 2169 for dir in $appdirs ; do 2170 if test -r $dir/Makefile.in ; then 2171 if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then 2172 appdirs="" 2173 break 2174 fi 2175 if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then 2176 appdirs="" 2177 break 2178 fi 2179 fi 2180 done 2181 if test -n "$appdirs" ; then 2182 echo "*** This configuration is not supported by this package." 1>&2 2183 exit 1 2184 fi 2185 fi 2186 # Okay, some application will build, or we don't care to check. Still 2187 # notify of subdirs not getting built. 2188 echo "*** This configuration is not supported in the following subdirectories:" 1>&2 2189 echo " ${notsupp}" 1>&2 2190 echo " (Any other directories should still work fine.)" 1>&2 2191fi 2192 2193case "$host" in 2194 *msdosdjgpp*) 2195 enable_gdbtk=no ;; 2196esac 2197 2198# To find our prefix, in gcc_cv_tool_prefix. 2199ACX_TOOL_DIRS 2200 2201copy_dirs= 2202 2203AC_ARG_WITH([build-sysroot], 2204 [ --with-build-sysroot=SYSROOT 2205 use sysroot as the system root during the build], 2206 [if test x"$withval" != x ; then 2207 SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval" 2208 fi], 2209 [SYSROOT_CFLAGS_FOR_TARGET=]) 2210AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET) 2211 2212AC_ARG_WITH([debug-prefix-map], 2213 [ --with-debug-prefix-map='A=B C=D ...' 2214 map A to B, C to D ... in debug information], 2215 [if test x"$withval" != x; then 2216 DEBUG_PREFIX_CFLAGS_FOR_TARGET= 2217 for debug_map in $withval; do 2218 DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map" 2219 done 2220 fi], 2221 [DEBUG_PREFIX_CFLAGS_FOR_TARGET=]) 2222AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET) 2223 2224# During gcc bootstrap, if we use some random cc for stage1 then CFLAGS 2225# might be empty or "-g". We don't require a C++ compiler, so CXXFLAGS 2226# might also be empty (or "-g", if a non-GCC C++ compiler is in the path). 2227# We want to ensure that TARGET libraries (which we know are built with 2228# gcc) are built with "-O2 -g", so include those options when setting 2229# CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET. 2230if test "x$CFLAGS_FOR_TARGET" = x; then 2231 CFLAGS_FOR_TARGET=$CFLAGS 2232 case " $CFLAGS " in 2233 *" -O2 "*) ;; 2234 *) CFLAGS_FOR_TARGET="-O2 $CFLAGS" ;; 2235 esac 2236 case " $CFLAGS " in 2237 *" -g "* | *" -g3 "*) ;; 2238 *) CFLAGS_FOR_TARGET="-g $CFLAGS" ;; 2239 esac 2240fi 2241AC_SUBST(CFLAGS_FOR_TARGET) 2242 2243if test "x$CXXFLAGS_FOR_TARGET" = x; then 2244 CXXFLAGS_FOR_TARGET=$CXXFLAGS 2245 case " $CXXFLAGS " in 2246 *" -O2 "*) ;; 2247 *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS" ;; 2248 esac 2249 case " $CXXFLAGS " in 2250 *" -g "* | *" -g3 "*) ;; 2251 *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS" ;; 2252 esac 2253fi 2254AC_SUBST(CXXFLAGS_FOR_TARGET) 2255 2256# Handle --with-headers=XXX. If the value is not "yes", the contents of 2257# the named directory are copied to $(tooldir)/sys-include. 2258if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then 2259 if test x${is_cross_compiler} = xno ; then 2260 echo 1>&2 '***' --with-headers is only supported when cross compiling 2261 exit 1 2262 fi 2263 if test x"${with_headers}" != xyes ; then 2264 x=${gcc_cv_tool_prefix} 2265 copy_dirs="${copy_dirs} ${with_headers} $x/${target_noncanonical}/sys-include" 2266 fi 2267fi 2268 2269# Handle --with-libs=XXX. If the value is not "yes", the contents of 2270# the name directories are copied to $(tooldir)/lib. Multiple directories 2271# are permitted. 2272if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then 2273 if test x${is_cross_compiler} = xno ; then 2274 echo 1>&2 '***' --with-libs is only supported when cross compiling 2275 exit 1 2276 fi 2277 if test x"${with_libs}" != xyes ; then 2278 # Copy the libraries in reverse order, so that files in the first named 2279 # library override files in subsequent libraries. 2280 x=${gcc_cv_tool_prefix} 2281 for l in ${with_libs}; do 2282 copy_dirs="$l $x/${target_noncanonical}/lib ${copy_dirs}" 2283 done 2284 fi 2285fi 2286 2287# Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate. 2288# 2289# This is done by determining whether or not the appropriate directory 2290# is available, and by checking whether or not specific configurations 2291# have requested that this magic not happen. 2292# 2293# The command line options always override the explicit settings in 2294# configure.in, and the settings in configure.in override this magic. 2295# 2296# If the default for a toolchain is to use GNU as and ld, and you don't 2297# want to do that, then you should use the --without-gnu-as and 2298# --without-gnu-ld options for the configure script. Similarly, if 2299# the default is to use the included zlib and you don't want to do that, 2300# you should use the --with-system-zlib option for the configure script. 2301 2302if test x${use_gnu_as} = x && 2303 echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then 2304 with_gnu_as=yes 2305 extra_host_args="$extra_host_args --with-gnu-as" 2306fi 2307 2308if test x${use_gnu_ld} = x && 2309 echo " ${configdirs} " | egrep " (go)?ld " > /dev/null 2>&1 ; then 2310 with_gnu_ld=yes 2311 extra_host_args="$extra_host_args --with-gnu-ld" 2312fi 2313 2314if test x${use_included_zlib} = x && 2315 echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then 2316 : 2317else 2318 with_system_zlib=yes 2319 extra_host_args="$extra_host_args --with-system-zlib" 2320fi 2321 2322# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure 2323# can detect this case. 2324 2325if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then 2326 with_newlib=yes 2327 extra_host_args="$extra_host_args --with-newlib" 2328fi 2329 2330# Handle ${copy_dirs} 2331set fnord ${copy_dirs} 2332shift 2333while test $# != 0 ; do 2334 if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then 2335 : 2336 else 2337 echo Copying $1 to $2 2338 2339 # Use the install script to create the directory and all required 2340 # parent directories. 2341 if test -d $2 ; then 2342 : 2343 else 2344 echo >config.temp 2345 ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED 2346 fi 2347 2348 # Copy the directory, assuming we have tar. 2349 # FIXME: Should we use B in the second tar? Not all systems support it. 2350 (cd $1; tar -cf - .) | (cd $2; tar -xpf -) 2351 2352 # It is the responsibility of the user to correctly adjust all 2353 # symlinks. If somebody can figure out how to handle them correctly 2354 # here, feel free to add the code. 2355 2356 echo $1 > $2/COPIED 2357 fi 2358 shift; shift 2359done 2360 2361# Determine a target-dependent exec_prefix that the installed 2362# gcc will search in. Keep this list sorted by triplet, with 2363# the *-*-osname triplets last. 2364md_exec_prefix= 2365case "${target}" in 2366 alpha*-*-*vms*) 2367 md_exec_prefix=/gnu/lib/gcc-lib 2368 ;; 2369 i[[34567]]86-pc-msdosdjgpp*) 2370 md_exec_prefix=/dev/env/DJDIR/bin 2371 ;; 2372 i[[34567]]86-*-sco3.2v5*) 2373 if test $with_gnu_as = yes; then 2374 md_exec_prefix=/usr/gnu/bin 2375 else 2376 md_exec_prefix=/usr/ccs/bin/elf 2377 fi 2378 ;; 2379 2380 mn10300-*-* | \ 2381 powerpc-*-chorusos* | \ 2382 powerpc*-*-eabi* | \ 2383 powerpc*-*-sysv* | \ 2384 powerpc*-*-kaos* | \ 2385 s390x-ibm-tpf*) 2386 md_exec_prefix=/usr/ccs/bin 2387 ;; 2388 sparc64-*-elf*) 2389 ;; 2390 v850*-*-*) 2391 md_exec_prefix=/usr/ccs/bin 2392 ;; 2393 xtensa*-*-elf*) 2394 ;; 2395 2396 *-*-beos* | \ 2397 *-*-elf* | \ 2398 *-*-hpux* | \ 2399 *-*-netware* | \ 2400 *-*-nto-qnx* | \ 2401 *-*-rtems* | \ 2402 *-*-solaris2* | \ 2403 *-*-sysv[[45]]* | \ 2404 *-*-vxworks* | \ 2405 *-wrs-windiss) 2406 md_exec_prefix=/usr/ccs/bin 2407 ;; 2408esac 2409 2410extra_arflags_for_target= 2411extra_nmflags_for_target= 2412extra_ranlibflags_for_target= 2413target_makefile_frag=/dev/null 2414case "${target}" in 2415 mep*-*-*) 2416 target_makefile_frag="config/mt-mep" 2417 ;; 2418 spu-*-*) 2419 target_makefile_frag="config/mt-spu" 2420 ;; 2421 mips*-sde-elf*) 2422 target_makefile_frag="config/mt-sde" 2423 ;; 2424 mipsisa*-*-elfoabi*) 2425 target_makefile_frag="config/mt-mips-elfoabi" 2426 ;; 2427 mips*-*-*linux* | mips*-*-gnu*) 2428 target_makefile_frag="config/mt-mips-gnu" 2429 ;; 2430 *-*-netware*) 2431 target_makefile_frag="config/mt-netware" 2432 ;; 2433 *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu) 2434 target_makefile_frag="config/mt-gnu" 2435 ;; 2436 *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*) 2437 # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm 2438 # commands to handle both 32-bit and 64-bit objects. These flags are 2439 # harmless if we're using GNU nm or ar. 2440 extra_arflags_for_target=" -X32_64" 2441 extra_nmflags_for_target=" -B -X32_64" 2442 ;; 2443 *-*-darwin[[3-9]]*) 2444 # ranlib before Darwin10 requires the -c flag to look at common symbols. 2445 extra_ranlibflags_for_target=" -c" 2446 ;; 2447 mips*-*-pe | sh*-*-pe | *arm-wince-pe) 2448 target_makefile_frag="config/mt-wince" 2449 ;; 2450esac 2451 2452alphaieee_frag=/dev/null 2453case $target in 2454 alpha*-*-*) 2455 # This just makes sure to use the -mieee option to build target libs. 2456 # This should probably be set individually by each library. 2457 alphaieee_frag="config/mt-alphaieee" 2458 ;; 2459esac 2460 2461# If --enable-target-optspace always use -Os instead of -O2 to build 2462# the target libraries, similarly if it is not specified, use -Os 2463# on selected platforms. 2464ospace_frag=/dev/null 2465case "${enable_target_optspace}:${target}" in 2466 yes:*) 2467 ospace_frag="config/mt-ospace" 2468 ;; 2469 :d30v-*) 2470 ospace_frag="config/mt-d30v" 2471 ;; 2472 :m32r-* | :d10v-* | :fr30-*) 2473 ospace_frag="config/mt-ospace" 2474 ;; 2475 no:* | :*) 2476 ;; 2477 *) 2478 echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2 2479 ;; 2480esac 2481 2482# Default to using --with-stabs for certain targets. 2483if test x${with_stabs} = x ; then 2484 case "${target}" in 2485 mips*-*-irix[[56]]*) 2486 ;; 2487 mips*-*-* | alpha*-*-osf*) 2488 with_stabs=yes; 2489 extra_host_args="${extra_host_args} --with-stabs" 2490 ;; 2491 esac 2492fi 2493 2494# hpux11 in 64bit mode has libraries in a weird place. Arrange to find 2495# them automatically. 2496case "${host}" in 2497 hppa*64*-*-hpux11*) 2498 extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include" 2499 ;; 2500esac 2501 2502# Some systems (e.g., one of the i386-aix systems the gas testers are 2503# using) don't handle "\$" correctly, so don't use it here. 2504tooldir='${exec_prefix}'/${target_noncanonical} 2505build_tooldir=${tooldir} 2506 2507# Create a .gdbinit file which runs the one in srcdir 2508# and tells GDB to look there for source files. 2509 2510if test -r ${srcdir}/.gdbinit ; then 2511 case ${srcdir} in 2512 .) ;; 2513 *) cat > ./.gdbinit <<EOF 2514# ${NO_EDIT} 2515dir ${srcdir} 2516dir . 2517source ${srcdir}/.gdbinit 2518EOF 2519 ;; 2520 esac 2521fi 2522 2523# Make sure that the compiler is able to generate an executable. If it 2524# can't, we are probably in trouble. We don't care whether we can run the 2525# executable--we might be using a cross compiler--we only care whether it 2526# can be created. At this point the main configure script has set CC. 2527we_are_ok=no 2528echo "int main () { return 0; }" > conftest.c 2529${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c 2530if test $? = 0 ; then 2531 if test -s conftest || test -s conftest.exe ; then 2532 we_are_ok=yes 2533 fi 2534fi 2535case $we_are_ok in 2536 no) 2537 echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed." 2538 echo 1>&2 "*** You must set the environment variable CC to a working compiler." 2539 rm -f conftest* 2540 exit 1 2541 ;; 2542esac 2543rm -f conftest* 2544 2545# The Solaris /usr/ucb/cc compiler does not appear to work. 2546case "${host}" in 2547 sparc-sun-solaris2*) 2548 CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`" 2549 if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then 2550 could_use= 2551 test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin" 2552 if test -d /opt/cygnus/bin ; then 2553 if test "$could_use" = "" ; then 2554 could_use="/opt/cygnus/bin" 2555 else 2556 could_use="$could_use or /opt/cygnus/bin" 2557 fi 2558 fi 2559 if test "$could_use" = "" ; then 2560 echo "Warning: compilation may fail because you're using" 2561 echo "/usr/ucb/cc. You should change your PATH or CC " 2562 echo "variable and rerun configure." 2563 else 2564 echo "Warning: compilation may fail because you're using" 2565 echo "/usr/ucb/cc, when you should use the C compiler from" 2566 echo "$could_use. You should change your" 2567 echo "PATH or CC variable and rerun configure." 2568 fi 2569 fi 2570 ;; 2571esac 2572 2573# Decide which environment variable is used to find dynamic libraries. 2574case "${host}" in 2575 *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;; 2576 *-*-darwin* | *-*-rhapsody* ) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;; 2577 *-*-mingw* | *-*-cygwin ) RPATH_ENVVAR=PATH ;; 2578 *) RPATH_ENVVAR=LD_LIBRARY_PATH ;; 2579esac 2580 2581# On systems where the dynamic library environment variable is PATH, 2582# gcc/ will put dynamic libraries into a subdirectory to avoid adding 2583# built executables to PATH. 2584if test "$RPATH_ENVVAR" = PATH; then 2585 GCC_SHLIB_SUBDIR=/shlib 2586else 2587 GCC_SHLIB_SUBDIR= 2588fi 2589 2590# Record target_configdirs and the configure arguments for target and 2591# build configuration in Makefile. 2592target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'` 2593build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'` 2594 2595# If we are building libgomp, bootstrap it. 2596if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then 2597 bootstrap_target_libs=${bootstrap_target_libs}target-libgomp, 2598fi 2599 2600# Determine whether gdb needs tk/tcl or not. 2601# Use 'maybe' since enable_gdbtk might be true even if tk isn't available 2602# and in that case we want gdb to be built without tk. Ugh! 2603# In fact I believe gdb is the *only* package directly dependent on tk, 2604# so we should be able to put the 'maybe's in unconditionally and 2605# leave out the maybe dependencies when enable_gdbtk is false. I'm not 2606# 100% sure that that's safe though. 2607 2608gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui" 2609case "$enable_gdbtk" in 2610 no) 2611 GDB_TK="" ;; 2612 yes) 2613 GDB_TK="${gdb_tk}" ;; 2614 *) 2615 # Only add the dependency on gdbtk when GDBtk is part of the gdb 2616 # distro. Eventually someone will fix this and move Insight, nee 2617 # gdbtk to a separate directory. 2618 if test -d ${srcdir}/gdb/gdbtk ; then 2619 GDB_TK="${gdb_tk}" 2620 else 2621 GDB_TK="" 2622 fi 2623 ;; 2624esac 2625CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g` 2626INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g` 2627 2628# Strip out unwanted targets. 2629 2630# While at that, we remove Makefiles if we were started for recursive 2631# configuration, so that the top-level Makefile reconfigures them, 2632# like we used to do when configure itself was recursive. 2633 2634# Loop over modules. We used to use the "$extrasub" feature from Autoconf 2635# but now we're fixing up the Makefile ourselves with the additional 2636# commands passed to AC_CONFIG_FILES. Use separate variables 2637# extrasub-{build,host,target} not because there is any reason to split 2638# the substitutions up that way, but only to remain below the limit of 2639# 99 commands in a script, for HP-UX sed. 2640# Do not nest @if/@endif pairs, because configure will not warn you at all. 2641 2642AC_ARG_ENABLE([bootstrap], 2643[ --enable-bootstrap enable bootstrapping @<:@yes if native build@:>@],, 2644enable_bootstrap=default) 2645 2646# Issue errors and warnings for invalid/strange bootstrap combinations. 2647case "$configdirs" in 2648 *gcc*) have_compiler=yes ;; 2649 *) have_compiler=no ;; 2650esac 2651 2652case "$have_compiler:$host:$target:$enable_bootstrap" in 2653 *:*:*:no) ;; 2654 2655 # Default behavior. Enable bootstrap if we have a compiler 2656 # and we are in a native configuration. 2657 yes:$build:$build:default) 2658 enable_bootstrap=yes ;; 2659 2660 *:*:*:default) 2661 enable_bootstrap=no ;; 2662 2663 # We have a compiler and we are in a native configuration, bootstrap is ok 2664 yes:$build:$build:yes) 2665 ;; 2666 2667 # Other configurations, but we have a compiler. Assume the user knows 2668 # what he's doing. 2669 yes:*:*:yes) 2670 AC_MSG_WARN([trying to bootstrap a cross compiler]) 2671 ;; 2672 2673 # No compiler: if they passed --enable-bootstrap explicitly, fail 2674 no:*:*:yes) 2675 AC_MSG_ERROR([cannot bootstrap without a compiler]) ;; 2676 2677 # Fail if wrong command line 2678 *) 2679 AC_MSG_ERROR([invalid option for --enable-bootstrap]) 2680 ;; 2681esac 2682 2683case ",$enable_languages,:$ENABLE_BUILD_WITH_CXX:$enable_bootstrap" in 2684 *,c++,*:yes:yes) ;; 2685 *:yes:yes) 2686 AC_MSG_ERROR([bootstrapping with --enable-build-with-cxx requires c++ in --enable-languages]) 2687 ;; 2688esac 2689 2690case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in 2691 yes:yes:*\ gold\ *:*,c++,*) ;; 2692 yes:yes:*\ gold\ *:*) 2693 AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages]) 2694 ;; 2695esac 2696 2697# Adjust the toplevel makefile according to whether bootstrap was selected. 2698case $enable_bootstrap in 2699 yes) 2700 bootstrap_suffix=bootstrap 2701 BUILD_CONFIG=bootstrap-debug 2702 ;; 2703 no) 2704 bootstrap_suffix=no-bootstrap 2705 BUILD_CONFIG= 2706 ;; 2707esac 2708 2709AC_MSG_CHECKING(for default BUILD_CONFIG) 2710 2711AC_ARG_WITH([build-config], 2712 [--with-build-config='NAME NAME2...' 2713 Use config/NAME.mk build configuration], 2714 [case $with_build_config in 2715 yes) with_build_config= ;; 2716 no) with_build_config= BUILD_CONFIG= ;; 2717 esac]) 2718 2719if test "x${with_build_config}" != x; then 2720 BUILD_CONFIG=$with_build_config 2721else 2722 case $BUILD_CONFIG in 2723 bootstrap-debug) 2724 if echo "int f (void) { return 0; }" > conftest.c && 2725 ${CC} -c conftest.c && 2726 mv conftest.o conftest.o.g0 && 2727 ${CC} -c -g conftest.c && 2728 mv conftest.o conftest.o.g && 2729 ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then 2730 : 2731 else 2732 BUILD_CONFIG= 2733 fi 2734 rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g 2735 ;; 2736 esac 2737fi 2738AC_MSG_RESULT($BUILD_CONFIG) 2739AC_SUBST(BUILD_CONFIG) 2740 2741extrasub_build= 2742for module in ${build_configdirs} ; do 2743 if test -z "${no_recursion}" \ 2744 && test -f ${build_subdir}/${module}/Makefile; then 2745 echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure" 2746 rm -f ${build_subdir}/${module}/Makefile 2747 fi 2748 extrasub_build="$extrasub_build 2749/^@if build-$module\$/d 2750/^@endif build-$module\$/d 2751/^@if build-$module-$bootstrap_suffix\$/d 2752/^@endif build-$module-$bootstrap_suffix\$/d" 2753done 2754extrasub_host= 2755for module in ${configdirs} ; do 2756 if test -z "${no_recursion}"; then 2757 for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do 2758 if test -f ${file}; then 2759 echo 1>&2 "*** removing ${file} to force reconfigure" 2760 rm -f ${file} 2761 fi 2762 done 2763 fi 2764 extrasub_host="$extrasub_host 2765/^@if $module\$/d 2766/^@endif $module\$/d 2767/^@if $module-$bootstrap_suffix\$/d 2768/^@endif $module-$bootstrap_suffix\$/d" 2769done 2770extrasub_target= 2771for module in ${target_configdirs} ; do 2772 if test -z "${no_recursion}" \ 2773 && test -f ${target_subdir}/${module}/Makefile; then 2774 echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure" 2775 rm -f ${target_subdir}/${module}/Makefile 2776 fi 2777 2778 # We only bootstrap target libraries listed in bootstrap_target_libs. 2779 case $bootstrap_target_libs in 2780 *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;; 2781 *) target_bootstrap_suffix=no-bootstrap ;; 2782 esac 2783 2784 extrasub_target="$extrasub_target 2785/^@if target-$module\$/d 2786/^@endif target-$module\$/d 2787/^@if target-$module-$target_bootstrap_suffix\$/d 2788/^@endif target-$module-$target_bootstrap_suffix\$/d" 2789done 2790 2791# Do the final fixup along with target modules. 2792extrasub_target="$extrasub_target 2793/^@if /,/^@endif /d" 2794 2795# Create the serialization dependencies. This uses a temporary file. 2796 2797AC_ARG_ENABLE([serial-configure], 2798[ --enable-serial-@<:@{host,target,build}-@:>@configure 2799 force sequential configuration of 2800 sub-packages for the host, target or build 2801 machine, or all sub-packages]) 2802 2803case ${enable_serial_configure} in 2804 yes) 2805 enable_serial_build_configure=yes 2806 enable_serial_host_configure=yes 2807 enable_serial_target_configure=yes 2808 ;; 2809esac 2810 2811# These force 'configure's to be done one at a time, to avoid problems 2812# with contention over a shared config.cache. 2813rm -f serdep.tmp 2814echo '# serdep.tmp' > serdep.tmp 2815olditem= 2816test "x${enable_serial_build_configure}" = xyes && 2817for item in ${build_configdirs} ; do 2818 case ${olditem} in 2819 "") ;; 2820 *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;; 2821 esac 2822 olditem=${item} 2823done 2824olditem= 2825test "x${enable_serial_host_configure}" = xyes && 2826for item in ${configdirs} ; do 2827 case ${olditem} in 2828 "") ;; 2829 *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;; 2830 esac 2831 olditem=${item} 2832done 2833olditem= 2834test "x${enable_serial_target_configure}" = xyes && 2835for item in ${target_configdirs} ; do 2836 case ${olditem} in 2837 "") ;; 2838 *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;; 2839 esac 2840 olditem=${item} 2841done 2842serialization_dependencies=serdep.tmp 2843AC_SUBST_FILE(serialization_dependencies) 2844 2845# Base args. Strip norecursion, cache-file, srcdir, host, build, 2846# target, nonopt, and variable assignments. These are the ones we 2847# might not want to pass down to subconfigures. The exception being 2848# --cache-file=/dev/null, which is used to turn off the use of cache 2849# files altogether, and which should be passed on to subconfigures. 2850# Also strip program-prefix, program-suffix, and program-transform-name, 2851# so that we can pass down a consistent program-transform-name. 2852baseargs= 2853keep_next=no 2854skip_next=no 2855eval "set -- $ac_configure_args" 2856for ac_arg 2857do 2858 if test X"$skip_next" = X"yes"; then 2859 skip_next=no 2860 continue 2861 fi 2862 if test X"$keep_next" = X"yes"; then 2863 case $ac_arg in 2864 *\'*) 2865 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; 2866 esac 2867 baseargs="$baseargs '$ac_arg'" 2868 keep_next=no 2869 continue 2870 fi 2871 2872 # Handle separated arguments. Based on the logic generated by 2873 # autoconf 2.59. 2874 case $ac_arg in 2875 *=* | --config-cache | -C | -disable-* | --disable-* \ 2876 | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \ 2877 | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \ 2878 | -with-* | --with-* | -without-* | --without-* | --x) 2879 separate_arg=no 2880 ;; 2881 -*) 2882 separate_arg=yes 2883 ;; 2884 *) 2885 separate_arg=no 2886 ;; 2887 esac 2888 2889 case "$ac_arg" in 2890 --cache-file=/dev/null | \ 2891 -cache-file=/dev/null ) 2892 # Handled here to avoid the test to skip args below. 2893 baseargs="$baseargs '$ac_arg'" 2894 # Assert: $separate_arg should always be no. 2895 keep_next=$separate_arg 2896 ;; 2897 --no*) 2898 continue 2899 ;; 2900 --c* | \ 2901 --sr* | \ 2902 --ho* | \ 2903 --bu* | \ 2904 --t* | \ 2905 --program-* | \ 2906 -cache_file* | \ 2907 -srcdir* | \ 2908 -host* | \ 2909 -build* | \ 2910 -target* | \ 2911 -program-prefix* | \ 2912 -program-suffix* | \ 2913 -program-transform-name* ) 2914 skip_next=$separate_arg 2915 continue 2916 ;; 2917 -*) 2918 # An option. Add it. 2919 case $ac_arg in 2920 *\'*) 2921 ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;; 2922 esac 2923 baseargs="$baseargs '$ac_arg'" 2924 keep_next=$separate_arg 2925 ;; 2926 *) 2927 # Either a variable assignment, or a nonopt (triplet). Don't 2928 # pass it down; let the Makefile handle this. 2929 continue 2930 ;; 2931 esac 2932done 2933# Remove the initial space we just introduced and, as these will be 2934# expanded by make, quote '$'. 2935baseargs=`echo "x$baseargs" | sed -e 's/^x *//' -e 's,\\$,$$,g'` 2936 2937# Add in --program-transform-name, after --program-prefix and 2938# --program-suffix have been applied to it. Autoconf has already 2939# doubled dollar signs and backslashes in program_transform_name; we want 2940# the backslashes un-doubled, and then the entire thing wrapped in single 2941# quotes, because this will be expanded first by make and then by the shell. 2942# Also, because we want to override the logic in subdir configure scripts to 2943# choose program_transform_name, replace any s,x,x, with s,y,y,. 2944sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out 2945${program_transform_name} 2946EOF_SED 2947gcc_transform_name=`cat conftestsed.out` 2948rm -f conftestsed.out 2949baseargs="$baseargs --program-transform-name='${gcc_transform_name}'" 2950if test "$silent" = yes; then 2951 baseargs="$baseargs --silent" 2952fi 2953baseargs="$baseargs --disable-option-checking" 2954 2955# For the build-side libraries, we just need to pretend we're native, 2956# and not use the same cache file. Multilibs are neither needed nor 2957# desired. 2958build_configargs="--cache-file=../config.cache ${baseargs}" 2959 2960# For host modules, accept cache file option, or specification as blank. 2961case "${cache_file}" in 2962"") # empty 2963 cache_file_option="" ;; 2964/* | [[A-Za-z]]:[[\\/]]* ) # absolute path 2965 cache_file_option="--cache-file=${cache_file}" ;; 2966*) # relative path 2967 cache_file_option="--cache-file=../${cache_file}" ;; 2968esac 2969 2970# Host dirs don't like to share a cache file either, horribly enough. 2971# This seems to be due to autoconf 2.5x stupidity. 2972host_configargs="--cache-file=./config.cache ${extra_host_args} ${baseargs}" 2973 2974target_configargs=${baseargs} 2975 2976# Passing a --with-cross-host argument lets the target libraries know 2977# whether they are being built with a cross-compiler or being built 2978# native. However, it would be better to use other mechanisms to make the 2979# sorts of decisions they want to make on this basis. Please consider 2980# this option to be deprecated. FIXME. 2981if test x${is_cross_compiler} = xyes ; then 2982 target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}" 2983fi 2984 2985# Default to --enable-multilib. 2986if test x${enable_multilib} = x ; then 2987 target_configargs="--enable-multilib ${target_configargs}" 2988fi 2989 2990# Pass --with-newlib if appropriate. Note that target_configdirs has 2991# changed from the earlier setting of with_newlib. 2992if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then 2993 target_configargs="--with-newlib ${target_configargs}" 2994fi 2995 2996# Different target subdirs use different values of certain variables 2997# (notably CXX). Worse, multilibs use *lots* of different values. 2998# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that 2999# it doesn't automatically accept command-line overrides of them. 3000# This means it's not safe for target subdirs to share a cache file, 3001# which is disgusting, but there you have it. Hopefully this can be 3002# fixed in future. It's still worthwhile to use a cache file for each 3003# directory. I think. 3004 3005# Pass the appropriate --build, --host, --target and --cache-file arguments. 3006# We need to pass --target, as newer autoconf's requires consistency 3007# for target_alias and gcc doesn't manage it consistently. 3008target_configargs="--cache-file=./config.cache ${target_configargs}" 3009 3010FLAGS_FOR_TARGET= 3011case " $target_configdirs " in 3012 *" newlib "*) 3013 case " $target_configargs " in 3014 *" --with-newlib "*) 3015 case "$target" in 3016 *-cygwin*) 3017 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/include -isystem $$s/winsup/cygwin/include -isystem $$s/winsup/w32api/include' 3018 ;; 3019 esac 3020 3021 # If we're not building GCC, don't discard standard headers. 3022 if test -d ${srcdir}/gcc; then 3023 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc' 3024 3025 if test "${build}" != "${host}"; then 3026 # On Canadian crosses, CC_FOR_TARGET will have already been set 3027 # by `configure', so we won't have an opportunity to add -Bgcc/ 3028 # to it. This is right: we don't want to search that directory 3029 # for binaries, but we want the header files in there, so add 3030 # them explicitly. 3031 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include' 3032 3033 # Someone might think of using the pre-installed headers on 3034 # Canadian crosses, in case the installed compiler is not fully 3035 # compatible with the compiler being built. In this case, it 3036 # would be better to flag an error than risking having 3037 # incompatible object files being constructed. We can't 3038 # guarantee that an error will be flagged, but let's hope the 3039 # compiler will do it, when presented with incompatible header 3040 # files. 3041 fi 3042 fi 3043 3044 case "${target}-${is_cross_compiler}" in 3045 i[[3456789]]86-*-linux*-no) 3046 # Here host == target, so we don't need to build gcc, 3047 # so we don't want to discard standard headers. 3048 FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'` 3049 ;; 3050 *) 3051 # If we're building newlib, use its generic headers last, but search 3052 # for any libc-related directories first (so make it the last -B 3053 # switch). 3054 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include' 3055 3056 # If we're building libgloss, find the startup file, simulator library 3057 # and linker script. 3058 case " $target_configdirs " in 3059 *" libgloss "*) 3060 # Look for startup file, simulator library and maybe linker script. 3061 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/'"$libgloss_dir" 3062 # Look for libnosys.a in case the target needs it. 3063 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys' 3064 # Most targets have the linker script in the source directory. 3065 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$s/libgloss/'"$libgloss_dir" 3066 ;; 3067 esac 3068 ;; 3069 esac 3070 ;; 3071 esac 3072 ;; 3073esac 3074 3075case "$target" in 3076 x86_64-*mingw* | *-w64-mingw*) 3077 # MinGW-w64 does not use newlib, nor does it use winsup. It may, 3078 # however, use a symlink named 'mingw' in ${prefix} . 3079 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include' 3080 ;; 3081 *-mingw*) 3082 # MinGW can't be handled as Cygwin above since it does not use newlib. 3083 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include' 3084 ;; 3085esac 3086 3087# Allow the user to override the flags for 3088# our build compiler if desired. 3089if test x"${build}" = x"${host}" ; then 3090 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}} 3091 CXXFLAGS_FOR_BUILD=${CXXFLAGS_FOR_BUILD-${CXXFLAGS}} 3092 LDFLAGS_FOR_BUILD=${LDFLAGS_FOR_BUILD-${LDFLAGS}} 3093fi 3094 3095# On Canadian crosses, we'll be searching the right directories for 3096# the previously-installed cross compiler, so don't bother to add 3097# flags for directories within the install tree of the compiler 3098# being built; programs in there won't even run. 3099if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then 3100 # Search for pre-installed headers if nothing else fits. 3101 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include' 3102fi 3103 3104if test "x${use_gnu_ld}" = x && 3105 echo " ${configdirs} " | grep " ld " > /dev/null ; then 3106 # Arrange for us to find uninstalled linker scripts. 3107 FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld' 3108fi 3109 3110# Search for other target-specific linker scripts and such. 3111case "${target}" in 3112 mep*) 3113 FLAGS_FOR_TARGET="$FLAGS_FOR_TARGET -mlibrary" 3114 ;; 3115esac 3116 3117# Makefile fragments. 3118for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag; 3119do 3120 eval fragval=\$$frag 3121 if test $fragval != /dev/null; then 3122 eval $frag=${srcdir}/$fragval 3123 fi 3124done 3125AC_SUBST_FILE(host_makefile_frag) 3126AC_SUBST_FILE(target_makefile_frag) 3127AC_SUBST_FILE(alphaieee_frag) 3128AC_SUBST_FILE(ospace_frag) 3129 3130# Miscellanea: directories, flags, etc. 3131AC_SUBST(RPATH_ENVVAR) 3132AC_SUBST(GCC_SHLIB_SUBDIR) 3133AC_SUBST(tooldir) 3134AC_SUBST(build_tooldir) 3135AC_SUBST(CONFIGURE_GDB_TK) 3136AC_SUBST(GDB_TK) 3137AC_SUBST(INSTALL_GDB_TK) 3138 3139# Build module lists & subconfigure args. 3140AC_SUBST(build_configargs) 3141AC_SUBST(build_configdirs) 3142 3143# Host module lists & subconfigure args. 3144AC_SUBST(host_configargs) 3145AC_SUBST(configdirs) 3146AC_SUBST(target_configdirs) 3147 3148# Target module lists & subconfigure args. 3149AC_SUBST(target_configargs) 3150 3151 3152# Build tools. 3153AC_SUBST(AR_FOR_BUILD) 3154AC_SUBST(AS_FOR_BUILD) 3155AC_SUBST(CC_FOR_BUILD) 3156AC_SUBST(CFLAGS_FOR_BUILD) 3157AC_SUBST(CXXFLAGS_FOR_BUILD) 3158AC_SUBST(CXX_FOR_BUILD) 3159AC_SUBST(DLLTOOL_FOR_BUILD) 3160AC_SUBST(GCJ_FOR_BUILD) 3161AC_SUBST(GFORTRAN_FOR_BUILD) 3162AC_SUBST(LDFLAGS_FOR_BUILD) 3163AC_SUBST(LD_FOR_BUILD) 3164AC_SUBST(NM_FOR_BUILD) 3165AC_SUBST(RANLIB_FOR_BUILD) 3166AC_SUBST(WINDMC_FOR_BUILD) 3167AC_SUBST(WINDRES_FOR_BUILD) 3168AC_SUBST(config_shell) 3169 3170# Generate default definitions for YACC, M4, LEX and other programs that run 3171# on the build machine. These are used if the Makefile can't locate these 3172# programs in objdir. 3173MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing 3174 3175AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y]) 3176case " $build_configdirs " in 3177 *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;; 3178 *" byacc "*) YACC='$$r/$(BUILD_SUBDIR)/byacc/byacc' ;; 3179esac 3180 3181AC_CHECK_PROGS([BISON], [bison], [$MISSING bison]) 3182case " $build_configdirs " in 3183 *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;; 3184esac 3185 3186AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4]) 3187case " $build_configdirs " in 3188 *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;; 3189esac 3190 3191AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex]) 3192case " $build_configdirs " in 3193 *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;; 3194 *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;; 3195esac 3196 3197AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex]) 3198case " $build_configdirs " in 3199 *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;; 3200esac 3201 3202AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo]) 3203case " $build_configdirs " in 3204 *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;; 3205 *) 3206changequote(,) 3207 # For an installed makeinfo, we require it to be from texinfo 4.7 or 3208 # higher, else we use the "missing" dummy. 3209 if ${MAKEINFO} --version \ 3210 | egrep 'texinfo[^0-9]*(4\.([7-9]|[1-9][0-9])|[5-9]|[1-9][0-9])' >/dev/null 2>&1; then 3211 : 3212 else 3213 MAKEINFO="$MISSING makeinfo" 3214 fi 3215 ;; 3216changequote([,]) 3217esac 3218 3219# FIXME: expect and dejagnu may become build tools? 3220 3221AC_CHECK_PROGS(EXPECT, expect, expect) 3222case " $configdirs " in 3223 *" expect "*) 3224 test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect' 3225 ;; 3226esac 3227 3228AC_CHECK_PROGS(RUNTEST, runtest, runtest) 3229case " $configdirs " in 3230 *" dejagnu "*) 3231 test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest' 3232 ;; 3233esac 3234 3235 3236# Host tools. 3237NCN_STRICT_CHECK_TOOLS(AR, ar) 3238NCN_STRICT_CHECK_TOOLS(AS, as) 3239NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool) 3240NCN_STRICT_CHECK_TOOLS(LD, ld) 3241NCN_STRICT_CHECK_TOOLS(LIPO, lipo) 3242NCN_STRICT_CHECK_TOOLS(NM, nm) 3243NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, true) 3244NCN_STRICT_CHECK_TOOLS(STRIP, strip, true) 3245NCN_STRICT_CHECK_TOOLS(WINDRES, windres) 3246NCN_STRICT_CHECK_TOOLS(WINDMC, windmc) 3247NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy) 3248NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump) 3249AC_SUBST(CC) 3250AC_SUBST(CXX) 3251AC_SUBST(CFLAGS) 3252AC_SUBST(CXXFLAGS) 3253 3254# Target tools. 3255AC_ARG_WITH([build-time-tools], 3256 [ --with-build-time-tools=PATH 3257 use given path to find target tools during the build], 3258 [case x"$withval" in 3259 x/*) ;; 3260 *) 3261 with_build_time_tools= 3262 AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path]) 3263 ;; 3264 esac], 3265 [with_build_time_tools=]) 3266 3267NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc) 3268NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx) 3269NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET}) 3270NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj) 3271NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran) 3272 3273ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar) 3274ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as) 3275ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool) 3276ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld) 3277ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo) 3278ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm) 3279ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump) 3280ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib) 3281ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip) 3282ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres) 3283ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc) 3284 3285RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET" 3286 3287GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar]) 3288GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new]) 3289GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) 3290GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX, 3291 [gcc/g++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ `test ! -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags || $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs], 3292 c++) 3293GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX, 3294 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs], 3295 c++) 3296GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool]) 3297GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/]) 3298GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ, 3299 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java) 3300GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN, 3301 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran) 3302GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new]) 3303GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO) 3304GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new]) 3305GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump]) 3306GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib]) 3307GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip]) 3308GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres]) 3309GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc]) 3310 3311AC_SUBST(FLAGS_FOR_TARGET) 3312AC_SUBST(RAW_CXX_FOR_TARGET) 3313 3314# Certain tools may need extra flags. 3315AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target} 3316RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target} 3317NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target} 3318 3319# When building target libraries, except in a Canadian cross, we use 3320# the same toolchain as the compiler we just built. 3321COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)' 3322COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)' 3323COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)' 3324if test $host = $build; then 3325 case " $configdirs " in 3326 *" gcc "*) 3327 COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as' 3328 COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld' 3329 COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target} 3330 ;; 3331 esac 3332fi 3333 3334AC_SUBST(COMPILER_AS_FOR_TARGET) 3335AC_SUBST(COMPILER_LD_FOR_TARGET) 3336AC_SUBST(COMPILER_NM_FOR_TARGET) 3337 3338AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) 3339AC_ARG_ENABLE(maintainer-mode, 3340[ --enable-maintainer-mode enable make rules and dependencies not useful 3341 (and sometimes confusing) to the casual installer], 3342 USE_MAINTAINER_MODE=$enableval, 3343 USE_MAINTAINER_MODE=no) 3344AC_MSG_RESULT($USE_MAINTAINER_MODE) 3345AC_SUBST(MAINTAINER_MODE_TRUE) 3346AC_SUBST(MAINTAINER_MODE_FALSE) 3347if test "$USE_MAINTAINER_MODE" = yes; then 3348 MAINTAINER_MODE_TRUE= 3349 MAINTAINER_MODE_FALSE='#' 3350else 3351 MAINTAINER_MODE_TRUE='#' 3352 MAINTAINER_MODE_FALSE= 3353fi 3354MAINT=$MAINTAINER_MODE_TRUE 3355AC_SUBST(MAINT)dnl 3356 3357# --------------------- 3358# GCC bootstrap support 3359# --------------------- 3360 3361# Stage specific cflags for build. 3362stage1_cflags="-g" 3363case $build in 3364 vax-*-*) 3365 case ${GCC} in 3366 yes) stage1_cflags="-g -Wa,-J" ;; 3367 *) stage1_cflags="-g -J" ;; 3368 esac ;; 3369esac 3370 3371# This is aimed to mimic bootstrap with a non-GCC compiler to catch problems. 3372if test "$GCC" = yes -a "$ENABLE_BUILD_WITH_CXX" != yes; then 3373 saved_CFLAGS="$CFLAGS" 3374 3375 # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it. 3376 CFLAGS="$CFLAGS -fkeep-inline-functions" 3377 AC_MSG_CHECKING([whether -fkeep-inline-functions is supported]) 3378 AC_TRY_COMPILE([ 3379#if (__GNUC__ < 3) \ 3380 || (__GNUC__ == 3 && (__GNUC_MINOR__ < 3 \ 3381 || (__GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ < 1))) 3382#error http://gcc.gnu.org/PR29382 3383#endif 3384 ],, 3385 [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"], 3386 [AC_MSG_RESULT([no])]) 3387 3388 CFLAGS="$saved_CFLAGS" 3389fi 3390 3391AC_SUBST(stage1_cflags) 3392 3393# Enable --enable-checking in stage1 of the compiler. 3394AC_ARG_ENABLE(stage1-checking, 3395[ --enable-stage1-checking@<:@=all@:>@ choose additional checking for stage1 3396 of the compiler], 3397[stage1_checking=--enable-checking=${enable_stage1_checking}], 3398[if test "x$enable_checking" = xno || test "x$enable_checking" = x; then 3399 stage1_checking=--enable-checking=yes,types 3400else 3401 stage1_checking=--enable-checking=$enable_checking,types 3402fi]) 3403AC_SUBST(stage1_checking) 3404 3405# Enable -Werror in bootstrap stage2 and later. 3406AC_ARG_ENABLE(werror, 3407[ --enable-werror enable -Werror in bootstrap stage2 and later], [], 3408[if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then 3409 enable_werror=yes 3410else 3411 enable_werror=no 3412fi]) 3413case ${enable_werror} in 3414 yes) stage2_werror_flag="--enable-werror-always" ;; 3415 *) stage2_werror_flag="" ;; 3416esac 3417AC_SUBST(stage2_werror_flag) 3418 3419# Specify what files to not compare during bootstrap. 3420 3421compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*" 3422case "$target" in 3423 hppa*64*-*-hpux*) ;; 3424 hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;; 3425esac 3426case " $configdirs " in 3427*" ppl "*) compare_exclusions="$compare_exclusions | ppl/src/ppl-config.o" ;; 3428esac 3429AC_SUBST(compare_exclusions) 3430 3431AC_CONFIG_FILES([Makefile], 3432 [sed "$extrasub_build" Makefile | 3433 sed "$extrasub_host" | 3434 sed "$extrasub_target" > mf$$ 3435 mv -f mf$$ Makefile], 3436 [extrasub_build="$extrasub_build" 3437 extrasub_host="$extrasub_host" 3438 extrasub_target="$extrasub_target"]) 3439AC_OUTPUT 3440