configure.in

   1 #! /bin/bash
   2 ##############################################################################
   3
   4 ## This file is a shell script fragment that supplies the information
   5 ## necessary to tailor a template configure script into the configure
   6 ## script appropriate for this directory.  For more information, check
   7 ## any existing configure script.
   8
   9 ## Be warned, there are two types of configure.in files.  There are those
  10 ## used by Autoconf, which are macros which are expanded into a configure
  11 ## script by autoconf.  The other sort, of which this is one, is executed
  12 ## by Cygnus configure.
  13
  14 ## For more information on these two systems, check out the documentation
  15 ## for 'Autoconf' (autoconf.texi) and 'Configure' (configure.texi).
  16
  17 #   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998,
  18 #   1999, 2000 Free Software Foundation, Inc.
  19 #
  20 # This file is free software; you can redistribute it and/or modify it
  21 # under the terms of the GNU General Public License as published by
  22 # the Free Software Foundation; either version 2 of the License, or
  23 # (at your option) any later version.
  24 #
  25 # This program is distributed in the hope that it will be useful, but
  26 # WITHOUT ANY WARRANTY; without even the implied warranty of
  27 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  28 # General Public License for more details.
  29 #
  30 # You should have received a copy of the GNU General Public License
  31 # along with this program; if not, write to the Free Software
  32 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  33
  34 ##############################################################################
  35
  36 ### To add a new directory to the tree, first choose whether it is a target
  37 ### or a host dependent tool.  Then put it into the appropriate list
  38 ### (library or tools, host or target), doing a dependency sort.  For
  39 ### example, gdb requires that byacc (or bison) be built first, so it is in
  40 ### the ${host_tools} list after byacc and bison.
  41
  42
  43 # these libraries are used by various programs built for the host environment
  44 #
  45 host_libs="intl mmalloc libiberty opcodes bfd readline gash db tcl tk tcl8.1 tk8.1 tclX itcl tix libgui zlib"
  46
  47 if [ "${enable_gdbgui}" = "yes" ] ; then
  48         host_libs="${host_libs} libgui"
  49 fi
  50
  51 # Set up configure/Makefile variables if libstdc++-v3 is to be built.
  52 if [ "${enable_libstdcxx_v3}" = "yes" ] && test -d $srcdir/libstdc++-v3; then
  53         libstdcxx_version="target-libstdc++-v3"
  54         # Don't use libstdc++-v3's flags to configure/build itself.
  55         libstdcxx_flags='`case $$dir in libstdc++-v3) ;; *) cat $$r/$(TARGET_SUBDIR)/libstdc++-v3/src/libstdc++.INC 2>/dev/null || : ;; esac` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
  56 else
  57         libstdcxx_version="target-libio target-libstdc++"
  58         libstdcxx_flags='-isystem $$s/libstdc++ -isystem $$s/libstdc++/std -isystem $$s/libstdc++/stl -isystem $$s/libio -isystem $$r/$(TARGET_SUBDIR)/libio -L$$r/$(TARGET_SUBDIR)/libstdc++'
  59 fi
  60
  61 # these tools are built for the host environment
  62 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
  63 # know that we are building the simulator.
  64 host_tools="texinfo byacc flex bison binutils ld gas gcc sim gdb make patch prms send-pr gprof gdbtest tgas etc expect dejagnu ash bash bzip2 m4 autoconf automake libtool ispell grep diff rcs cvssrc fileutils shellutils time textutils wdiff find emacs emacs19 uudecode hello tar gzip indent recode release sed utils guile perl apache inet gawk findutils snavigator libtool gettext zip fastjar"
  65
  66 # libgcj represents the runtime libraries only used by gcj.
  67 libgcj="target-libffi \
  68         target-boehm-gc \
  69         target-zlib \
  70         target-qthreads \
  71         target-libjava"
  72
  73 # these libraries are built for the target environment, and are built after
  74 # the host libraries and the host tools (which may be a cross compiler)
  75 #
  76 target_libs="target-libiberty \
  77                 target-libgloss \
  78                 target-newlib \
  79                 target-librx \
  80                 ${libstdcxx_version} \
  81                 target-libg++ \
  82                 target-libf2c \
  83                 target-libchill \
  84                 ${libgcj}
  85                 target-libobjc"
  86
  87 # these tools are built using the target libs, and are intended to run only
  88 # in the target environment
  89 #
  90 # note: any program that *uses* libraries that are in the "target_libs"
  91 # list belongs in this list.  those programs are also very likely
  92 # candidates for the "native_only" list which follows
  93 #
  94 target_tools="target-examples target-groff target-gperf"
  95
  96 ################################################################################
  97
  98 ## These two lists are of directories that are to be removed from the
  99 ## ${configdirs} list for either cross-compilations or for native-
 100 ## compilations.  For example, it doesn't make that much sense to
 101 ## cross-compile Emacs, nor is it terribly useful to compile target-libiberty in
 102 ## a native environment.
 103
 104 # directories to be built in the native environment only
 105 #
 106 # This must be a single line because of the way it is searched by grep in
 107 # the code below.
 108 native_only="autoconf automake libtool cvssrc emacs emacs19 fileutils find gawk gettext grep gzip hello indent ispell m4 rcs recode sed shellutils tar textutils gash uudecode wdiff gprof target-groff guile perl apache inet time ash bash bzip2 prms snavigator gnuserv target-gperf"
 109
 110 # directories to be built in a cross environment only
 111 #
 112 cross_only="target-libgloss target-newlib target-cygmon target-opcodes target-libstub"
 113
 114 ## All tools belong in one of the four categories, and are assigned above
 115 ## We assign ${configdirs} this way to remove all embedded newlines.  This
 116 ## is important because configure will choke if they ever get through.
 117 ## ${configdirs} is directories we build using the host tools.
 118 ## ${target_configdirs} is directories we build using the target tools.
 119 #
 120 configdirs=`echo ${host_libs} ${host_tools}`
 121 target_configdirs=`echo ${target_libs} ${target_tools}`
 122
 123 ################################################################################
 124
 125 srctrigger=move-if-change
 126 srcname="gnu development package"
 127
 128 # This gets set non-empty for some net releases of packages.
 129 appdirs=""
 130
 131 # per-host:
 132
 133 # Work in distributions that contain no compiler tools, like Autoconf.
 134 if [ -d ${srcdir}/config ]; then
 135 case "${host}" in
 136   m68k-hp-hpux*)
 137     host_makefile_frag="${host_makefile_frag} config/mh-hp300"
 138     ;;
 139   m68k-apollo-sysv*)
 140     host_makefile_frag="${host_makefile_frag} config/mh-apollo68"
 141     ;;
 142   m68k-apollo-bsd*)
 143     host_makefile_frag="${host_makefile_frag} config/mh-a68bsd"
 144     ;;
 145   m88k-dg-dgux*)
 146     host_makefile_frag="${host_makefile_frag} config/mh-dgux"
 147     ;;
 148   m88k-harris-cxux*)
 149     host_makefile_frag="${host_makefile_frag} config/mh-cxux"
 150     ;;
 151   m88k-motorola-sysv*)
 152     host_makefile_frag="${host_makefile_frag} config/mh-delta88"
 153     ;;
 154   mips*-dec-ultrix*)
 155     host_makefile_frag="${host_makefile_frag} config/mh-decstation"
 156     ;;
 157   mips*-nec-sysv4*)
 158     host_makefile_frag="${host_makefile_frag} config/mh-necv4"
 159     ;;
 160   mips*-sgi-irix6*)
 161     host_makefile_frag="${host_makefile_frag} config/mh-irix6"
 162     ;;
 163   mips*-sgi-irix5*)
 164     host_makefile_frag="${host_makefile_frag} config/mh-irix5"
 165     ;;
 166   mips*-sgi-irix4*)
 167     host_makefile_frag="${host_makefile_frag} config/mh-irix4"
 168     ;;
 169   mips*-sgi-irix3*)
 170     host_makefile_frag="${host_makefile_frag} config/mh-sysv"
 171     ;;
 172   mips*-*-sysv4*)
 173     host_makefile_frag="${host_makefile_frag} config/mh-sysv4"
 174     ;;
 175   mips*-*-sysv*)
 176     host_makefile_frag="${host_makefile_frag} config/mh-riscos"
 177     ;;
 178   i370-ibm-opened*)
 179     host_makefile_frag="${host_makefile_frag} config/mh-openedition"
 180     ;;
 181   i[3456]86-*-sysv5*)
 182     host_makefile_frag="${host_makefile_frag} config/mh-sysv5"
 183     ;;
 184   i[3456]86-*-dgux*)
 185     host_makefile_frag="${host_makefile_frag} config/mh-dgux386"
 186     ;;
 187   i[3456]86-ncr-sysv4.3*)
 188     host_makefile_frag="${host_makefile_frag} config/mh-ncrsvr43"
 189     ;;
 190   i[3456]86-ncr-sysv4*)
 191     host_makefile_frag="${host_makefile_frag} config/mh-ncr3000"
 192     ;;
 193   i[3456]86-*-sco3.2v5*)
 194     host_makefile_frag="${host_makefile_frag} config/mh-sysv"
 195     ;;
 196   i[3456]86-*-sco*)
 197     host_makefile_frag="${host_makefile_frag} config/mh-sco"
 198     ;;
 199   i[3456]86-*-udk*)
 200     host_makefile_frag="${host_makefile_frag} config/mh-sysv5"
 201     ;;
 202   i[3456]86-*-isc*)
 203     host_makefile_frag="${host_makefile_frag} config/mh-sysv"
 204     ;;
 205   i[3456]86-*-solaris2*)
 206     host_makefile_frag="${host_makefile_frag} config/mh-sysv4"
 207     ;;
 208   i[3456]86-*-aix*)
 209     host_makefile_frag="${host_makefile_frag} config/mh-aix386"
 210     ;;
 211   i[3456]86-*-msdosdjgpp*)
 212     host_makefile_frag="${host_makefile_frag} config/mh-djgpp"
 213     ;;
 214   *-cygwin*)
 215     host_makefile_frag="${host_makefile_frag} config/mh-cygwin"
 216     ;;
 217   *-mingw32*)
 218     host_makefile_frag="${host_makefile_frag} config/mh-mingw32"
 219     ;;
 220   *-interix*)
 221     host_makefile_frag="${host_makefile_frag} config/mh-interix"
 222     ;;
 223   *-windows*)
 224     host_makefile_frag="${host_makefile_frag} config/mh-windows"
 225     ;;
 226   vax-*-ultrix2*)
 227     host_makefile_frag="${host_makefile_frag} config/mh-vaxult2"
 228     ;;
 229   *-*-solaris2*)
 230     host_makefile_frag="${host_makefile_frag} config/mh-solaris"
 231     ;;
 232   m68k-sun-sunos*)
 233     host_makefile_frag="${host_makefile_frag} config/mh-sun3"
 234     ;;
 235   *-hp-hpux[78]*)
 236     host_makefile_frag="${host_makefile_frag} config/mh-hpux8"
 237     ;;
 238   *-hp-hpux*)
 239     host_makefile_frag="${host_makefile_frag} config/mh-hpux"
 240     ;;
 241   *-*-hiux*)
 242     host_makefile_frag="${host_makefile_frag} config/mh-hpux"
 243     ;;
 244   rs6000-*-lynxos*)
 245     host_makefile_frag="${host_makefile_frag} config/mh-lynxrs6k"
 246     ;;
 247   *-*-lynxos*)
 248     host_makefile_frag="${host_makefile_frag} config/mh-lynxos"
 249     ;;
 250   *-*-sysv4*)
 251     host_makefile_frag="${host_makefile_frag} config/mh-sysv4"
 252     ;;
 253   *-*-sysv*)
 254     host_makefile_frag="${host_makefile_frag} config/mh-sysv"
 255     ;;
 256 esac
 257 fi
 258
 259 # If we aren't going to be using gcc, see if we can extract a definition
 260 # of CC from the fragment.
 261 if [ -z "${CC}" ] && [ "${build}" = "${host}" ]; then
 262   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
 263   found=
 264   for dir in $PATH; do
 265     test -z "$dir" && dir=.
 266     if test -f $dir/gcc; then
 267       found=yes
 268       break
 269     fi
 270   done
 271   IFS="$save_ifs"
 272   if [ -z "${found}" ] && [ -n "${host_makefile_frag}" ] && [ -f "${srcdir}/${host_makefile_frag}" ]; then
 273     xx=`sed -n -e 's/^[         ]*CC[   ]*=[    ]*\(.*\)$/\1/p' < ${srcdir}/${host_makefile_frag}`
 274     if [ -n "${xx}" ] ; then
 275       CC=$xx
 276     fi
 277   fi
 278 fi
 279
 280 # We default to --with-shared on platforms where -fpic is meaningless.
 281 # Well, we don't yet, but we will.
 282 if false && [ "${host}" = "${target}" ] && [ x${enable_shared} = x ]; then
 283   case "${target}" in
 284     alpha*-dec-osf*)    enable_shared=yes ;;
 285     alpha*-*-linux*)    enable_shared=yes ;;
 286     mips-sgi-irix5*)    enable_shared=yes ;;
 287     *)                  enable_shared=no ;;
 288   esac
 289 fi
 290
 291 # hpux11 in 64bit mode has libraries in a weird place.  Arrange to find
 292 # them automatically.
 293 case "${host}" in
 294   hppa*64*-*-hpux11*)
 295     withoptions="$withoptions -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
 296     ;;
 297 esac
 298
 299 case "${enable_shared}" in
 300   yes) shared=yes ;;
 301   no) shared=no ;;
 302   "") shared=no ;;
 303   *) shared=yes ;;
 304 esac
 305
 306 if [ x${shared} = xyes ]; then
 307   case "${host}" in
 308     alpha*-*-linux*)
 309       host_makefile_frag="${host_makefile_frag} config/mh-elfalphapic"
 310       ;;
 311     arm*-*-*)
 312       host_makefile_frag="${host_makefile_frag} config/mh-armpic"
 313       ;;
 314     hppa*-*-*)
 315       host_makefile_frag="${host_makefile_frag} config/mh-papic"
 316       ;;
 317     i[3456]86-*-cygwin*)
 318       # We don't want -fPIC on Cygwin.
 319       ;;
 320     i[3456]86-*-*)
 321       host_makefile_frag="${host_makefile_frag} config/mh-x86pic"
 322       ;;
 323     i370-*-*)
 324       host_makefile_frag="${host_makefile_frag} config/mh-i370pic"
 325       ;;
 326     ia64-*-*)
 327       host_makefile_frag="${host_makefile_frag} config/mh-ia64pic"
 328       ;;
 329     sparc64-*-*)
 330       host_makefile_frag="${host_makefile_frag} config/mh-sparcpic"
 331       ;;
 332     powerpc*-*-aix*)
 333       # We don't want -fPIC on AIX.
 334       ;;
 335     powerpc*-*-*)
 336       host_makefile_frag="${host_makefile_frag} config/mh-ppcpic"
 337       ;;
 338     *-*-*)
 339       if test -f ${srcdir}/config/mh-${host_cpu}pic; then
 340         host_makefile_frag="${host_makefile_frag} config/mh-${host_cpu}pic"
 341       fi
 342       ;;
 343   esac
 344 fi
 345
 346 rm -f mh-frag
 347 if [ -n "${host_makefile_frag}" ] ; then
 348   for f in ${host_makefile_frag}
 349   do
 350     cat ${srcdir}/$f >> mh-frag
 351   done
 352   host_makefile_frag=mh-frag
 353 fi
 354
 355 # per-target:
 356
 357 case "${target}" in
 358   v810*)
 359     target_makefile_frag="${target_makefile_frag} config/mt-v810"
 360     ;;
 361   i[3456]86-*-netware*)
 362     target_makefile_frag="${target_makefile_frag} config/mt-netware"
 363     ;;
 364   powerpc-*-netware*)
 365     target_makefile_frag="${target_makefile_frag} config/mt-netware"
 366     ;;
 367   *-*-linux*)
 368     target_makefile_frag="${target_makefile_frag} config/mt-linux"
 369     ;;
 370   *-*-aix4.[3456789]* | *-*-aix[56789].*)
 371     target_makefile_frag="${target_makefile_frag} config/mt-aix43"
 372     ;;
 373   mips*-*-pe | sh*-*-pe | *arm-wince-pe)
 374     target_makefile_frag="${target_makefile_frag} config/mt-wince"
 375     ;;
 376 esac
 377
 378 # If --enable-target-optspace always use -Os instead of -O2 to build
 379 # the target libraries, similarly if it is not specified, use -Os
 380 # on selected platforms.
 381 case "${enable_target_optspace}:${target}" in
 382   yes:*)
 383     target_makefile_frag="${target_makefile_frag} config/mt-ospace"
 384     ;;
 385   :d30v-*)
 386     target_makefile_frag="${target_makefile_frag} config/mt-d30v"
 387     ;;
 388   :m32r-* | :d10v-* | :fr30-*)
 389     target_makefile_frag="${target_makefile_frag} config/mt-ospace"
 390     ;;
 391   no:* | :*)
 392     ;;
 393   *)
 394     echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
 395     ;;
 396 esac
 397
 398 skipdirs=
 399 gasdir=gas
 400 use_gnu_ld=
 401 use_gnu_as=
 402
 403 # some tools are so dependent upon X11 that if we're not building with X,
 404 # it's not even worth trying to configure, much less build, that tool.
 405
 406 case ${with_x} in
 407   yes | "")  # the default value for this tree is that X11 is available
 408         ;;
 409   no)
 410         skipdirs="${skipdirs} tk libgui gash"
 411         ;;
 412   *)
 413         echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2
 414         ;;
 415 esac
 416
 417 # Some tools are only suitable for building in a "native" situation.
 418 # Those are added when we have a host==target configuration.  For cross
 419 # toolchains, we add some directories that should only be useful in a
 420 # cross-compiler.
 421
 422 is_cross_compiler=
 423
 424 if [ x"${host}" = x"${target}" ] ; then
 425         # when doing a native toolchain, don't build the targets
 426         # that are in the 'cross only' list
 427         skipdirs="${skipdirs} ${cross_only}"
 428         is_cross_compiler=no
 429 else
 430         # similarly, don't build the targets in the 'native only'
 431         # list when building a cross compiler
 432         skipdirs="${skipdirs} ${native_only}"
 433         is_cross_compiler=yes
 434 fi
 435
 436 # We always want to use the same name for this directory, so that dejagnu
 437 # can reliably find it.
 438 target_subdir=${target_alias}
 439
 440 if [ ! -d ${target_subdir} ] ; then
 441   if mkdir ${target_subdir} ; then true
 442   else
 443     echo "'*** could not make ${PWD=`pwd`}/${target_subdir}" 1>&2
 444     exit 1
 445   fi
 446 fi
 447
 448 copy_dirs=
 449
 450 # Handle --with-headers=XXX.  The contents of the named directory are
 451 # copied to $(tooldir)/sys-include.
 452 if [ x"${with_headers}" != x ]; then
 453   if [ x${is_cross_compiler} = xno ]; then
 454     echo 1>&2 '***' --with-headers is only supported when cross compiling
 455     exit 1
 456   fi
 457   case "${exec_prefixoption}" in
 458   "") x=${prefix} ;;
 459   *) x=${exec_prefix} ;;
 460   esac
 461   copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
 462 fi
 463
 464 # Handle --with-libs=XXX.  Multiple directories are permitted.  The
 465 # contents are copied to $(tooldir)/lib.
 466 if [ x"${with_libs}" != x ]; then
 467   if [ x${is_cross_compiler} = xno ]; then
 468     echo 1>&2 '***' --with-libs is only supported when cross compiling
 469     exit 1
 470   fi
 471   # Copy the libraries in reverse order, so that files in the first named
 472   # library override files in subsequent libraries.
 473   case "${exec_prefixoption}" in
 474   "") x=${prefix} ;;
 475   *) x=${exec_prefix} ;;
 476   esac
 477   for l in ${with_libs}; do
 478     copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
 479   done
 480 fi
 481
 482 # If both --with-headers and --with-libs are specified, default to
 483 # --without-newlib.
 484 if [ x"${with_headers}" != x ] && [ x"${with_libs}" != x ]; then
 485   if [ x"${with_newlib}" = x ]; then
 486     with_newlib=no
 487   fi
 488 fi
 489
 490 # Recognize --with-newlib/--without-newlib.
 491 if [ x${with_newlib} = xno ]; then
 492   skipdirs="${skipdirs} target-newlib"
 493 elif [ x${with_newlib} = xyes ]; then
 494   skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
 495 fi
 496
 497 # Default to using --with-stabs for certain targets.
 498 if [ x${with_stabs} = x ]; then
 499   case "${target}" in
 500   mips*-*-irix6*)
 501     ;;
 502   mips*-*-* | alpha*-*-osf*)
 503     with_stabs=yes;
 504     withoptions="${withoptions} --with-stabs"
 505     ;;
 506   esac
 507 fi
 508
 509 # Handle ${copy_dirs}
 510 set fnord ${copy_dirs}
 511 shift
 512 while [ $# != 0 ]; do
 513   if [ -f $2/COPIED ] && [ x"`cat $2/COPIED`" = x"$1" ]; then
 514     :
 515   else
 516     echo Copying $1 to $2
 517
 518     # Use the install script to create the directory and all required
 519     # parent directories.
 520     if [ -d $2 ]; then
 521       :
 522     else
 523       echo >config.temp
 524       ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
 525     fi
 526
 527     # Copy the directory, assuming we have tar.
 528     # FIXME: Should we use B in the second tar?  Not all systems support it.
 529     (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
 530
 531     # It is the responsibility of the user to correctly adjust all
 532     # symlinks.  If somebody can figure out how to handle them correctly
 533     # here, feel free to add the code.
 534
 535     echo $1 > $2/COPIED
 536   fi
 537   shift; shift
 538 done
 539
 540 # Configure extra directories which are host specific
 541
 542 case "${host}" in
 543         i[3456]86-*-go32*)
 544           configdirs="$configdirs dosrel" ;;
 545         i[3456]86-*-mingw32*)
 546           configdirs="$configdirs dosrel" ;;
 547         *-cygwin*)
 548           configdirs="$configdirs libtermcap dosrel" ;;
 549 esac
 550
 551 # Remove more programs from consideration, based on the host or
 552 # target this usually means that a port of the program doesn't
 553 # exist yet.
 554
 555 noconfigdirs=""
 556
 557 case "${host}" in
 558   hppa*64*-*-*)
 559     noconfigdirs="$noconfigdirs byacc"
 560     ;;
 561   i[3456]86-*-vsta)
 562     noconfigdirs="tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl apache inet itcl tix db snavigator gnuserv gettext"
 563     ;;
 564   i[3456]86-*-go32* | i[3456]86-*-msdosdjgpp*)
 565     noconfigdirs="tcl tk expect dejagnu send-pr uudecode guile apache inet itcl tix db snavigator gnuserv libffi"
 566         ;;
 567   i[3456]86-*-mingw32*)
 568     # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl apache inet itcl tix db snavigator gnuserv"
 569      noconfigdirs="expect dejagnu cvs autoconf automake send-pr rcs guile perl texinfo apache inet libtool"
 570         ;;
 571   i[3456]86-*-beos*)
 572      noconfigdirs="$noconfigdirs tk itcl tix libgui gdb"
 573      ;;
 574   *-*-cygwin*)
 575      noconfigdirs="autoconf automake send-pr rcs guile perl texinfo apache inet"
 576     ;;
 577   *-*-netbsd*)
 578     noconfigdirs="rcs"
 579     ;;
 580   ppc*-*-pe)
 581      noconfigdirs="patch diff make tk tcl expect dejagnu cvssrc autoconf automake texinfo bison send-pr gprof rcs guile perl apache inet itcl tix db snavigator gnuserv"
 582     ;;
 583   powerpc-*-beos*)
 584     noconfigdirs="$noconfigdirs tk itcl tix libgui gdb dejagnu readline"
 585     ;;
 586 esac
 587
 588 case "${target}" in
 589   *-*-netware)
 590     noconfigdirs="$noconfigdirs target-libg++ ${libstdcxx_version} target-librx target-newlib target-libiberty target-libgloss ${libgcj}"
 591     ;;
 592   *-*-rtems*)
 593     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 594     ;;
 595   *-*-vxworks*)
 596     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 597     ;;
 598   alpha*-dec-osf*)
 599     # ld works, but does not support shared libraries.  emacs doesn't
 600     # work.  newlib is not 64 bit ready.  I'm not sure about fileutils.
 601     # gas doesn't generate exception information.
 602     noconfigdirs="$noconfigdirs gas ld emacs fileutils target-newlib target-libgloss ${libgcj}"
 603     ;;
 604   alpha*-*-*vms*)
 605     noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
 606     ;;
 607   alpha*-*-linux*)
 608     # newlib is not 64 bit ready
 609     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 610     # linux has rx in libc
 611     skipdirs="$skipdirs target-librx"
 612     ;;
 613   alpha*-*-*)
 614     # newlib is not 64 bit ready
 615     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 616     ;;
 617   sh*-*-pe|mips*-*-pe|*arm-wince-pe)
 618     noconfigdirs="$noconfigdirs ${libgcj}"
 619     noconfigdirs="$noconfigdirs target-examples"
 620     noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
 621     noconfigdirs="$noconfigdirs tcl tix tk itcl libgui sim"
 622     noconfigdirs="$noconfigdirs expect dejagnu"
 623     # the C++ libraries don't build on top of CE's C libraries
 624     noconfigdirs="$noconfigdirs ${libstdcxx_version}"
 625     skipdirs="$skipdirs target-newlib"
 626     case "${host}" in
 627       *-*-cygwin*) ;; # keep gdb and readline
 628       *) noconfigdirs="$noconfigdirs gdb readline ${libstdcxx_version}"
 629          ;;
 630     esac
 631     ;;
 632   arc-*-*)
 633     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 634     ;;
 635   arm-*-pe*)
 636     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 637     ;;
 638   arm-*-coff*)
 639     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 640     if [ x${is_cross_compiler} != xno ] ; then
 641            target_configdirs="${target_configdirs} target-bsp target-cygmon"
 642     fi
 643     ;;
 644   arm-*-elf*)
 645     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 646     if [ x${is_cross_compiler} != xno ] ; then
 647            target_configdirs="${target_configdirs} target-bsp target-cygmon"
 648     fi
 649     ;;
 650   arm-*-oabi*)
 651     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 652     ;;
 653   c4x-*-*)
 654     noconfigdirs="$noconfigdirs target-libg++ ${libstdcxx_version} target-librx target-libgloss ${libgcj}"
 655     ;;
 656   c54x*-*-* | tic54x-*-*)
 657     noconfigdirs="$noconfigdirs ${libstdcxx_version} target-libgloss ${libgcj} gcc gdb newlib"
 658     ;;
 659   thumb-*-coff)
 660     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 661     ;;
 662   thumb-*-elf)
 663     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 664     ;;
 665   thumb-*-oabi)
 666     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 667     ;;
 668   strongarm-*-elf)
 669     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 670     if [ x${is_cross_compiler} != xno ] ; then
 671            target_configdirs="${target_configdirs} target-bsp target-cygmon"
 672     fi
 673     ;;
 674   strongarm-*-coff)
 675     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 676     if [ x${is_cross_compiler} != xno ] ; then
 677            target_configdirs="${target_configdirs} target-bsp target-cygmon"
 678     fi
 679     ;;
 680   xscale-*-elf)
 681     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 682     if [ x${is_cross_compiler} != xno ] ; then
 683            target_configdirs="${target_configdirs} target-bsp target-cygmon"
 684     fi
 685     ;;
 686   xscale-*-coff)
 687     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 688     if [ x${is_cross_compiler} != xno ] ; then
 689            target_configdirs="${target_configdirs} target-bsp target-cygmon"
 690     fi
 691     ;;
 692   thumb-*-pe)
 693     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 694     ;;
 695   arm-*-riscix*)
 696     noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
 697     ;;
 698   d10v-*-*)
 699     noconfigdirs="$noconfigdirs target-librx target-libg++ ${libstdcxx_version} target-libgloss ${libgcj}"
 700     ;;
 701   d30v-*-*)
 702     noconfigdirs="${libgcj}"
 703     ;;
 704   fr30-*-elf*)
 705     noconfigdirs="${libgcj}"
 706     if [ x${is_cross_compiler} != xno ] ; then
 707            target_configdirs="${target_configdirs} target-bsp target-libstub target-cygmon"
 708     fi
 709     ;;
 710   h8300*-*-* | \
 711   h8500-*-*)
 712     noconfigdirs="$noconfigdirs target-libg++ ${libstdcxx_version} target-librx target-libgloss ${libgcj}"
 713     ;;
 714   hppa*-*-*elf* | \
 715   hppa*-*-linux* | \
 716   hppa*-*-lites* | \
 717   hppa*64*-*-*)
 718     noconfigdirs="${libgcj}"
 719     # Do configure ld/binutils/gas for this case.
 720     ;;
 721   hppa*-*-*)
 722     # HP's C compiler doesn't handle Emacs correctly (but on BSD and Mach
 723     # cc is gcc, and on any system a user should be able to link cc to
 724     # whatever they want.  FIXME, emacs emacs19).
 725     case "${CC}" in
 726         "" | cc*) noconfigdirs="$noconfigdirs emacs emacs19" ;;
 727         *) ;;
 728     esac
 729     noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
 730     ;;
 731   ia64*-*-elf*)
 732     # No gdb support yet.
 733     noconfigdirs="$noconfigdirs tix readline mmalloc libgui itcl gdb"
 734     ;;
 735   i[3456]86-*-coff | i[3456]86-*-elf)
 736     noconfigdirs="${libgcj}"
 737     if [ x${is_cross_compiler} != xno ] ; then
 738          target_configdirs="${target_configdirs} target-libstub target-cygmon"
 739     fi
 740     ;;
 741   *-*-linux*)
 742     # linux has rx in libc
 743     skipdirs="$skipdirs target-librx"
 744     ;;
 745   i[3456]86-*-mingw32*)
 746     target_configdirs="$target_configdirs target-mingw"
 747     noconfigdirs="$noconfigdirs expect target-libgloss ${libgcj}"
 748
 749     # Can't build gdb for mingw32 if not native.
 750     case "${host}" in
 751       i[3456]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
 752       *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix db snavigator gnuserv"
 753          ;;
 754     esac
 755     ;;
 756   *-*-cygwin*)
 757     target_configdirs="$target_configdirs target-libtermcap target-winsup"
 758     noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
 759     # always build newlib.
 760     skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
 761
 762     # Can't build gdb for Cygwin if not native.
 763     case "${host}" in
 764       *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
 765       *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix libgui db snavigator gnuserv"
 766          ;;
 767     esac
 768     ;;
 769   i[3456]86-*-pe)
 770     noconfigdirs="$noconfigdirs target-libg++ ${libstdcxx_version} target-librx target-libgloss ${libgcj}"
 771     ;;
 772   i[3456]86-*-sco3.2v5*)
 773     # The linker does not yet know about weak symbols in COFF,
 774     # and is not configured to handle mixed ELF and COFF.
 775     noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
 776     ;;
 777   i[3456]86-*-sco*)
 778     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 779     ;;
 780   i[3456]86-*-solaris2*)
 781     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 782     ;;
 783   i[3456]86-*-sysv4*)
 784     # The SYSV4 C compiler doesn't handle Emacs correctly
 785     case "${CC}" in
 786         "" | cc*) noconfigdirs="$noconfigdirs emacs emacs19" ;;
 787         *) ;;
 788     esac
 789     # but that's okay since emacs doesn't work anyway
 790     noconfigdirs="$noconfigdirs emacs emacs19 target-libgloss ${libgcj}"
 791     ;;
 792   i[3456]86-*-beos*)
 793      noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
 794      ;;
 795   m68k-*-elf*)
 796     noconfigdirs="${libgcj}"
 797     if [ x${is_cross_compiler} != xno ] ; then
 798            target_configdirs="${target_configdirs} target-bsp target-cygmon"
 799     fi
 800     ;;
 801   m68k-*-coff*)
 802     noconfigdirs="${libgcj}"
 803     if [ x${is_cross_compiler} != xno ] ; then
 804            target_configdirs="${target_configdirs} target-bsp target-cygmon"
 805     fi
 806     ;;
 807   mn10200-*-*)
 808     noconfigdirs="$noconfigdirs ${libgcj}"
 809     if [ x${is_cross_compiler} != xno ] ; then
 810            target_configdirs="${target_configdirs} target-libstub target-cygmon"
 811     fi
 812     ;;
 813   mn10300-*-*)
 814     noconfigdirs="$noconfigdirs ${libgcj}"
 815     if [ x${is_cross_compiler} != xno ] ; then
 816            target_configdirs="${target_configdirs} target-bsp target-libstub target-cygmon"
 817     fi
 818     ;;
 819   powerpc-*-aix*)
 820     # copied from rs6000-*-* entry
 821     # The configure and build of ld are currently disabled because
 822     # GNU ld is known to be broken for AIX 4.2 and 4.3 (at least)
 823     # The symptom is that GDBtk 4.18 fails at startup with a segfault
 824     # if linked by GNU ld, but not if linked by the native ld.
 825     noconfigdirs="$noconfigdirs gprof cvssrc target-libgloss ${libgcj} ld"
 826     use_gnu_ld=no
 827     ;;
 828   powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
 829     target_configdirs="$target_configdirs target-winsup"
 830     noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl tix db snavigator gnuserv ${libgcj}"
 831     # always build newlib.
 832     skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
 833     ;;
 834     # This is temporary until we can link against shared libraries
 835   powerpcle-*-solaris*)
 836     noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl tix db snavigator gnuserv ${libgcj}"
 837     ;;
 838   powerpc-*-beos*)
 839     noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
 840     ;;
 841   powerpc-*-eabi)
 842     noconfigdirs="${libgcj}"
 843     if [ x${is_cross_compiler} != xno ] ; then
 844            target_configdirs="${target_configdirs} target-bsp target-libstub target-cygmon"
 845     fi
 846     ;;
 847   rs6000-*-lynxos*)
 848     # The CVS server code doesn't work on the RS/6000
 849     noconfigdirs="$noconfigdirs target-newlib gprof cvssrc ${libgcj}"
 850     ;;
 851   rs6000-*-aix*)
 852     # The configure and build of ld are currently disabled because
 853     # GNU ld is known to be broken for AIX 4.2 and 4.3 (at least)
 854     # The symptom is that GDBtk 4.18 fails at startup with a segfault
 855     # if linked by GNU ld, but not if linked by the native ld.
 856     noconfigdirs="$noconfigdirs gprof ld ${libgcj}"
 857     use_gnu_ld=no
 858     ;;
 859   rs6000-*-*)
 860     noconfigdirs="$noconfigdirs gprof ${libgcj}"
 861     ;;
 862   m68k-apollo-*)
 863     noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
 864     ;;
 865   mips*-*-irix5*)
 866     # The GNU linker does not support shared libraries.
 867     # emacs is emacs 18, which does not work on Irix 5 (emacs19 does work)
 868     noconfigdirs="$noconfigdirs ld gprof emacs target-libgloss ${libgcj}"
 869     ;;
 870   mips*-*-irix6*)
 871     # The GNU assembler does not support IRIX 6.
 872     # emacs is emacs 18, which does not work on Irix 5 (emacs19 does work)
 873     noconfigdirs="$noconfigdirs gas gprof emacs target-libgloss ${libgcj}"
 874     ;;
 875   mips*-dec-bsd*)
 876     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 877     ;;
 878   mips*-*-bsd*)
 879     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 880     ;;
 881   mipstx39-*-*)
 882     noconfigdirs="$noconfigdirs gprof ${libgcj}"   # same as generic mips
 883     target_configdirs="${target_configdirs} target-bsp target-libstub target-cygmon"
 884    ;;
 885   mips*-*-*)
 886     noconfigdirs="$noconfigdirs gprof ${libgcj}"
 887     ;;
 888   romp-*-*)
 889     noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
 890     ;;
 891   sh-*-*)
 892     case "${host}" in
 893       i[3456]86-*-vsta) ;; # don't add gprof back in
 894       i[3456]86-*-go32*) ;; # don't add gprof back in
 895       i[3456]86-*-msdosdjgpp*) ;; # don't add gprof back in
 896       *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
 897     esac
 898     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 899     ;;
 900   sparc-*-elf*)
 901     noconfigdirs="${libgcj}"
 902     if [ x${is_cross_compiler} != xno ] ; then
 903            target_configdirs="${target_configdirs} target-libstub target-cygmon"
 904     fi
 905     ;;
 906   sparc64-*-elf*)
 907     if [ x${is_cross_compiler} != xno ] ; then
 908            target_configdirs="${target_configdirs} target-libstub target-cygmon"
 909     fi
 910     noconfigdirs="${libgcj}"
 911     ;;
 912   sparclite-*-*)
 913     if [ x${is_cross_compiler} != xno ] ; then
 914            target_configdirs="${target_configdirs} target-bsp target-libstub target-cygmon"
 915     fi
 916     noconfigdirs="${libgcj}"
 917     ;;
 918   sparc-*-sunos4*)
 919     noconfigdirs="${libgcj}"
 920     if [ x${is_cross_compiler} != xno ] ; then
 921            noconfigdirs="$noconfigdirs gdb gdbtest target-newlib target-libgloss"
 922     else
 923            use_gnu_ld=no
 924     fi
 925     ;;
 926   v810-*-*)
 927     noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libg++ ${libstdcxx_version} opcodes target-libgloss ${libgcj}"
 928     ;;
 929   v850-*-*)
 930     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 931     ;;
 932   v850e-*-*)
 933     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 934     ;;
 935   v850ea-*-*)
 936     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 937     ;;
 938   vax-*-vms)
 939     noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
 940     ;;
 941   vax-*-*)
 942     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 943     ;;
 944   *-*-lynxos*)
 945     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 946     ;;
 947   *-*-macos* | \
 948   *-*-mpw*)
 949     # Macs want a resource compiler.
 950     configdirs="$configdirs grez"
 951     noconfigdirs="${libgcj}"
 952     ;;
 953   *-*-*)
 954     noconfigdirs="${libgcj}"
 955     ;;
 956 esac
 957
 958 # If we aren't building newlib, then don't build libgloss, since libgloss
 959 # depends upon some newlib header files.
 960 case "${noconfigdirs}" in
 961   *target-libgloss*) ;;
 962   *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
 963 esac
 964
 965 # Make sure we don't let GNU ld be added if we didn't want it.
 966 if [ x$with_gnu_ld = xno ]; then
 967   use_gnu_ld=no
 968   noconfigdirs="$noconfigdirs ld"
 969 fi
 970
 971 # Make sure we don't let GNU as be added if we didn't want it.
 972 if [ x$with_gnu_as = xno ]; then
 973   use_gnu_as=no
 974   noconfigdirs="$noconfigdirs gas"
 975 fi
 976
 977 # Figure out what language subdirectories are present.
 978 # Look if the user specified --enable-languages="..."; if not, use
 979 # the environment variable $LANGUAGES if defined. $LANGUAGES might
 980 # go away some day.
 981 if test x"${enable_languages+set}" != xset; then
 982         if test x"${LANGUAGES+set}" = xset; then
 983                 enable_languages="`echo ${LANGUAGES} | tr ' ' ','`"
 984         else
 985                 enable_languages=all
 986         fi
 987 else
 988         if test x"${enable_languages}" = x; then
 989                 echo configure.in: --enable-languages needs at least one argument 1>&2
 990                 exit 1
 991         fi
 992 fi
 993 subdirs=
 994 for lang in ${srcdir}/gcc/*/config-lang.in ..
 995 do
 996         case $lang in
 997         ..) ;;
 998         # The odd quoting in the next line works around
 999         # an apparent bug in bash 1.12 on linux.
1000         ${srcdir}/gcc/[*]/config-lang.in) ;;
1001         *)
1002           lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^   ]*\).*$,\1,p' $lang`
1003           this_lang_libs=`sed -n -e 's,^target_libs=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^target_libs=\([^         ]*\).*$,\1,p' $lang`
1004           this_lang_dirs=`sed -n -e 's,^lang_dirs=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^lang_dirs=\([^     ]*\).*$,\1,p' $lang`
1005           build_by_default=`sed -n -e 's,^build_by_default=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^build_by_default=\([^     ]*\).*$,\1,p' $lang`
1006           if test "x$lang_alias" = x
1007           then
1008                 echo "$lang doesn't set \$language." 1>&2
1009                 exit 1
1010           fi
1011           case ${build_by_default},${enable_languages}, in
1012           *,$lang_alias,*) add_this_lang=yes ;;
1013           no,*) add_this_lang=no ;;
1014           *,all,*) add_this_lang=yes ;;
1015           *) add_this_lang=no ;;
1016           esac
1017           if test x"${add_this_lang}" = xyes; then
1018               eval target_libs='"$target_libs "'\"$this_lang_libs\"
1019           else
1020               eval noconfigdirs='"$noconfigdirs "'\"$this_lang_libs $this_lang_dirs\"
1021           fi
1022           ;;
1023         esac
1024 done
1025
1026
1027 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs and
1028 # $target_configdirs.
1029 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1030
1031 notsupp=""
1032 for dir in . $skipdirs $noconfigdirs ; do
1033   dirname=`echo $dir | sed -e s/target-//g`
1034   if [ $dir != . ]  && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1035     configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1036     if [ -r $srcdir/$dirname/configure ] \
1037         || [ -r $srcdir/$dirname/configure.in ]; then
1038       if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1039         true
1040       else
1041         notsupp="$notsupp $dir"
1042       fi
1043     fi
1044   fi
1045   if [ $dir != . ]  && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1046     target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1047     if [ -r $srcdir/$dirname/configure ] \
1048         || [ -r $srcdir/$dirname/configure.in ]; then
1049       if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1050         true
1051       else
1052         notsupp="$notsupp $dir"
1053       fi
1054     fi
1055   fi
1056 done
1057
1058 # Sometimes the tools are distributed with libiberty but with no other
1059 # libraries.  In that case, we don't want to build target-libiberty.
1060 if [ -n "${target_configdirs}" ]; then
1061   others=
1062   for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1063     if [ "$i" != "libiberty" ]; then
1064       if [ -r $srcdir/$i/configure ] || [ -r $srcdir/$i/configure.in ]; then
1065         others=yes;
1066         break;
1067       fi
1068     fi
1069   done
1070   if [ -z "${others}" ]; then
1071     target_configdirs=
1072   fi
1073 fi
1074
1075 # Deconfigure all subdirectories, in case we are changing the
1076 # configuration from one where a subdirectory is supported to one where it
1077 # is not.
1078 if [ -z "${norecursion}" ] && [ -n "${configdirs}" ]; then
1079   for i in `echo ${configdirs} | sed -e s/target-//g` ; do
1080     rm -f $i/Makefile
1081   done
1082 fi
1083 if [ -z "${norecursion}" ] && [ -n "${target_configdirs}" ]; then
1084   for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1085     rm -f ${target_subdir}/$i/Makefile
1086   done
1087 fi
1088
1089 # Produce a warning message for the subdirs we can't configure.
1090 # This isn't especially interesting in the Cygnus tree, but in the individual
1091 # FSF releases, it's important to let people know when their machine isn't
1092 # supported by the one or two programs in a package.
1093
1094 if [ -n "${notsupp}" ] && [ -z "${norecursion}" ]; then
1095   # If $appdirs is non-empty, at least one of those directories must still
1096   # be configured, or we error out.  (E.g., if the gas release supports a
1097   # specified target in some subdirs but not the gas subdir, we shouldn't
1098   # pretend that all is well.)
1099   if [ -n "$appdirs" ]; then
1100     for dir in $appdirs ; do
1101       if [ -r $dir/Makefile.in ]; then
1102         if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1103           appdirs=""
1104           break
1105         fi
1106         if echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1107           appdirs=""
1108           break
1109         fi
1110       fi
1111     done
1112     if [ -n "$appdirs" ]; then
1113       echo "*** This configuration is not supported by this package." 1>&2
1114       exit 1
1115     fi
1116   fi
1117   # Okay, some application will build, or we don't care to check.  Still
1118   # notify of subdirs not getting built.
1119   echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1120   echo "    ${notsupp}" 1>&2
1121   echo "    (Any other directories should still work fine.)" 1>&2
1122 fi
1123
1124 # Set with_gnu_as and with_gnu_ld as appropriate.
1125 #
1126 # This is done by determining whether or not the appropriate directory
1127 # is available, and by checking whether or not specific configurations
1128 # have requested that this magic not happen.
1129 #
1130 # The command line options always override the explicit settings in
1131 # configure.in, and the settings in configure.in override this magic.
1132 #
1133 # If the default for a toolchain is to use GNU as and ld, and you don't
1134 # want to do that, then you should use the --without-gnu-as and
1135 # --without-gnu-ld options for the configure script.
1136
1137 if [ x${use_gnu_as} = x ] ; then
1138   if [ x${with_gnu_as} != xno ] && echo " ${configdirs} " | grep " ${gasdir} " > /dev/null 2>&1 && [ -d ${srcdir}/${gasdir} ] ; then
1139     with_gnu_as=yes
1140     withoptions="$withoptions --with-gnu-as"
1141   fi
1142 fi
1143
1144 if [ x${use_gnu_ld} = x ] ; then
1145   if [ x${with_gnu_ld} != xno ] && echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 && [ -d ${srcdir}/ld ] ; then
1146     with_gnu_ld=yes
1147     withoptions="$withoptions --with-gnu-ld"
1148   fi
1149 fi
1150
1151 # If using newlib, add --with-newlib to the withoptions so that gcc/configure
1152 # can detect this case.
1153
1154 if [ x${with_newlib} != xno ] && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 && [ -d ${srcdir}/newlib ] ; then
1155   with_newlib=yes
1156   withoptions="$withoptions --with-newlib"
1157 fi
1158
1159 if [ x${shared} = xyes ]; then
1160   case "${target}" in
1161     hppa*)
1162       target_makefile_frag="${target_makefile_frag} config/mt-papic"
1163       ;;
1164     i[3456]86-*)
1165       target_makefile_frag="${target_makefile_frag} config/mt-x86pic"
1166       ;;
1167     ia64-*)
1168       target_makefile_frag="${target_makefile_frag} config/mt-ia64pic"
1169       ;;
1170     powerpc*-*-aix*)
1171       # We don't want -fPIC on AIX.
1172       ;;
1173     powerpc*-*)
1174       target_makefile_frag="${target_makefile_frag} config/mt-ppcpic"
1175       ;;
1176     alpha*-*-linux*)
1177       target_makefile_frag="${target_makefile_frag} config/mt-elfalphapic"
1178       ;;
1179     *)
1180       if test -f ${srcdir}/config/mt-${target_cpu}pic; then
1181         target_makefile_frag="${target_makefile_frag} config/mt-${target_cpu}pic"
1182       fi
1183       ;;
1184   esac
1185 fi
1186
1187 rm -f mt-frag
1188 if [ -n "${target_makefile_frag}" ] ; then
1189   for f in ${target_makefile_frag}
1190   do
1191     cat ${srcdir}/$f >> mt-frag
1192   done
1193   target_makefile_frag=mt-frag
1194 fi
1195
1196 # post-target:
1197
1198 # Make sure that the compiler is able to generate an executable.  If it
1199 # can't, we are probably in trouble.  We don't care whether we can run the
1200 # executable--we might be using a cross compiler--we only care whether it
1201 # can be created.  At this point the main configure script has set CC.
1202 echo "int main () { return 0; }" > conftest.c
1203 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1204 if [ $? = 0 ] && [ -s conftest -o -s conftest.exe ]; then
1205   :
1206 else
1207   echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1208   echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1209   rm -f conftest*
1210   exit 1
1211 fi
1212 rm -f conftest*
1213
1214 # The Solaris /usr/ucb/cc compiler does not appear to work.
1215 case "${host}" in
1216   sparc-sun-solaris2*)
1217       CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1218       if [ "`/usr/bin/which $CCBASE`" = "/usr/ucb/cc" ] ; then
1219           could_use=
1220           [ -d /opt/SUNWspro/bin ] && could_use="/opt/SUNWspro/bin"
1221           if [ -d /opt/cygnus/bin ] ; then
1222               if [ "$could_use" = "" ] ; then
1223                   could_use="/opt/cygnus/bin"
1224               else
1225                   could_use="$could_use or /opt/cygnus/bin"
1226               fi
1227           fi
1228         if [ "$could_use" = "" ] ; then
1229             echo "Warning: compilation may fail because you're using"
1230             echo "/usr/ucb/cc.  You should change your PATH or CC "
1231             echo "variable and rerun configure."
1232         else
1233             echo "Warning: compilation may fail because you're using"
1234             echo "/usr/ucb/cc, when you should use the C compiler from"
1235             echo "$could_use.  You should change your"
1236             echo "PATH or CC variable and rerun configure."
1237         fi
1238       fi
1239   ;;
1240 esac
1241
1242 # If --enable-shared was set, we must set LD_LIBRARY_PATH so that the
1243 # binutils tools will find libbfd.so.
1244 if [ "${shared}" = "yes" ]; then
1245   sed -e 's/^SET_LIB_PATH[      ]*=.*$/SET_LIB_PATH = $(REALLY_SET_LIB_PATH)/' \
1246       Makefile > Makefile.tem
1247   rm -f Makefile
1248   mv -f Makefile.tem Makefile
1249
1250   case "${host}" in
1251   *-*-hpux*)
1252     sed -e 's/^RPATH_ENVVAR[    ]*=.*$/RPATH_ENVVAR = SHLIB_PATH/' \
1253         Makefile > Makefile.tem
1254     rm -f Makefile
1255     mv -f Makefile.tem Makefile
1256     ;;
1257   esac
1258 fi
1259
1260 # Record target_configdirs and the configure arguments in Makefile.
1261 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1262 targargs=`echo "${arguments}" | \
1263         sed -e 's/--no[^        ]*//' \
1264             -e 's/--cache[a-z-]*=[^     ]*//' \
1265             -e 's/--ho[a-z-]*=[^        ]*//' \
1266             -e 's/--bu[a-z-]*=[^        ]*//' \
1267             -e 's/--ta[a-z-]*=[^        ]*//'`
1268
1269 # Passing a --with-cross-host argument lets the target libraries know
1270 # whether they are being built with a cross-compiler or being built
1271 # native.  However, it would be better to use other mechanisms to make the
1272 # sorts of decisions they want to make on this basis.  Please consider
1273 # this option to be deprecated.  FIXME.
1274 if [ x${is_cross_compiler} = xyes ]; then
1275   targargs="--with-cross-host=${host_alias} ${targargs}"
1276 fi
1277
1278 # Default to --enable-multilib.
1279 if [ x${enable_multilib} = x ]; then
1280   targargs="--enable-multilib ${targargs}"
1281 fi
1282
1283 # Pass --with-newlib if appropriate.  Note that target_configdirs has
1284 # changed from the earlier setting of with_newlib.
1285 if [ x${with_newlib} != xno ] && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && [ -d ${srcdir}/newlib ] ; then
1286   targargs="--with-newlib ${targargs}"
1287 fi
1288
1289 # provide a proper gxx_include_dir.
1290 # Note, if you change the default, make sure to fix both here and in
1291 # the gcc, libio, libstdc++ and libg++ subdirectories.
1292 # Check whether --with-gxx-include-dir or --without-gxx-include-dir was given.
1293 gxx_include_dir=
1294 if test -n "${with_gxx_include_dir}"; then
1295   case "${with_gxx_include_dir}" in
1296     yes )
1297       echo "configure.in: error: bad value ${withval} given for g++ include directory" 1>&2
1298       exit 1
1299       ;;
1300     no )
1301       ;;
1302     * )
1303       gxx_include_dir=${with_gxx_include_dir}
1304       ;;
1305   esac
1306 fi
1307 if test x${gxx_include_dir} = x; then
1308   if test x${enable_version_specific_runtime_libs} = xyes; then
1309     gxx_include_dir='${libsubdir}/include/g++'
1310   else
1311     . ${topsrcdir}/config.if
1312     gxx_include_dir='${prefix}/include/${libstdcxx_incdir}'
1313   fi
1314 else
1315   gxx_include_dir=${gxx_include_dir}
1316 fi
1317
1318 FLAGS_FOR_TARGET=
1319 case " $skipdirs " in
1320 *" target-newlib "*) ;;
1321 *)
1322  case " $target_configdirs " in
1323  *" newlib "*)
1324   case " $targargs " in
1325   *" --with-newlib "*)
1326    case "$target" in
1327    *-cygwin*)
1328      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 -isystem $$s/newlib/libc/sys/cygwin -isystem $$s/newlib/libc/sys/cygwin32' ;;
1329    esac
1330
1331    # If we're not building GCC, don't discard standard headers.
1332    if test -d ${topsrcdir}/gcc; then
1333      FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
1334
1335      if test "${build}" != "${host}"; then
1336        # On Canadian crosses, CC_FOR_TARGET will have already been set
1337        # by `configure', so we won't have an opportunity to add -Bgcc/
1338        # to it.  This is right: we don't want to search that directory
1339        # for binaries, but we want the header files in there, so add
1340        # them explicitly.
1341        FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/gcc/include'
1342
1343        # Someone might think of using the pre-installed headers on
1344        # Canadian crosses, in case the installed compiler is not fully
1345        # compatible with the compiler being built.  In this case, it
1346        # would be better to flag an error than risking having
1347        # incompatible object files being constructed.  We can't
1348        # guarantee that an error will be flagged, but let's hope the
1349        # compiler will do it, when presented with incompatible header
1350        # files.
1351      fi
1352    fi
1353
1354    # If we're building newlib, use its generic headers last, but search
1355    # for any libc-related directories first (so make it the last -B
1356    # switch).
1357    FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
1358    ;;
1359   esac
1360   ;;
1361  esac
1362  ;;
1363 esac
1364
1365 # On Canadian crosses, we'll be searching the right directories for
1366 # the previously-installed cross compiler, so don't bother to add
1367 # flags for directories within the install tree of the compiler
1368 # being built; programs in there won't even run.
1369 if test "${build}" = "${host}" && test -d ${topsrcdir}/gcc; then
1370   # Search for pre-installed headers if nothing else fits.
1371   FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include'
1372 fi
1373
1374 if test "x${use_gnu_ld}" = x && test "x${with_gnu_ld}" != xno &&
1375    echo " ${configdirs} " | grep " ld " > /dev/null &&
1376    test -d ${srcdir}/ld; then
1377   # Arrange for us to find uninstalled linker scripts.
1378   FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/ld'
1379 fi
1380
1381 if test "x${CC_FOR_TARGET+set}" = xset; then
1382   :
1383 elif test -d ${topsrcdir}/gcc; then
1384   CC_FOR_TARGET='$$r/gcc/xgcc -B$$r/gcc/'
1385 elif test "$host" = "$target"; then
1386   CC_FOR_TARGET='$(CC)'
1387 else
1388   CC_FOR_TARGET=`echo gcc | sed -e 's/x/x/' ${program_transform_name}`
1389 fi
1390 # On Canadian crosses, configure reads CC_FOR_TARGET from Makefile,
1391 # if Makefile exists.  Prevent $(FLAGS_FOR_TARGET) from being duplicated.
1392 case $CC_FOR_TARGET in
1393 *' $(FLAGS_FOR_TARGET)') ;;
1394 *) CC_FOR_TARGET=$CC_FOR_TARGET' $(FLAGS_FOR_TARGET)' ;;
1395 esac
1396
1397 if test "x${CHILL_FOR_TARGET+set}" = xset; then
1398   :
1399 elif test -d ${topsrcdir}/gcc; then
1400   CHILL_FOR_TARGET='$$r/gcc/xgcc -B$$r/gcc/ -L$$r/gcc/ch/runtime/'
1401 elif test "$host" = "$target"; then
1402   CHILL_FOR_TARGET='$(CC)'
1403 else
1404   CHILL_FOR_TARGET=`echo gcc | sed -e 's/x/x/' ${program_transform_name}`
1405 fi
1406 case $CHILL_FOR_TARGET in
1407 *' $(FLAGS_FOR_TARGET)') ;;
1408 *) CHILL_FOR_TARGET=$CHILL_FOR_TARGET' $(FLAGS_FOR_TARGET)' ;;
1409 esac
1410
1411 if test "x${CXX_FOR_TARGET+set}" = xset; then
1412   :
1413 elif test -d ${topsrcdir}/gcc; then
1414   CXX_FOR_TARGET='$$r/gcc/g++ -B$$r/gcc/ -nostdinc++ '$libstdcxx_flags
1415 elif test "$host" = "$target"; then
1416   CXX_FOR_TARGET='$(CXX)'
1417 else
1418   CXX_FOR_TARGET=`echo c++ | sed -e 's/x/x/' ${program_transform_name}`
1419 fi
1420 case $CXX_FOR_TARGET in
1421 *' $(FLAGS_FOR_TARGET)') ;;
1422 *) CXX_FOR_TARGET=$CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)' ;;
1423 esac
1424 qCXX_FOR_TARGET=`echo "$CXX_FOR_TARGET" | sed 's,&,\\\&,g'`
1425
1426 targargs="--cache-file=../config.cache --host=${target_alias} --build=${build_alias} ${targargs}"
1427 sed -e "s:^TARGET_CONFIGDIRS[   ]*=.*$:TARGET_CONFIGDIRS = ${target_configdirs}:" \
1428     -e "s%^CONFIG_ARGUMENTS[    ]*=.*$%CONFIG_ARGUMENTS = ${targargs}%" \
1429     -e "s%^FLAGS_FOR_TARGET[    ]*=.*$%FLAGS_FOR_TARGET = ${FLAGS_FOR_TARGET}%" \
1430     -e "s%^CC_FOR_TARGET[       ]*=.*$%CC_FOR_TARGET = ${CC_FOR_TARGET}%" \
1431     -e "s%^CHILL_FOR_TARGET[    ]*=.*$%CHILL_FOR_TARGET = ${CHILL_FOR_TARGET}%" \
1432     -e "s%^CXX_FOR_TARGET[      ]*=.*$%CXX_FOR_TARGET = ${qCXX_FOR_TARGET}%" \
1433     -e "s%^TARGET_SUBDIR[       ]*=.*$%TARGET_SUBDIR = ${target_subdir}%" \
1434     -e "s%^gxx_include_dir[     ]*=.*$%gxx_include_dir=${gxx_include_dir}%" \
1435        Makefile > Makefile.tem
1436 rm -f Makefile
1437 mv -f Makefile.tem Makefile
1438
1439 #
1440 # Local Variables:
1441 # fill-column: 131
1442 # End:
1443 #