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) 1992-99, 2000, 2001 Free Software Foundation, Inc.
  18 #
  19 # This file is free software; you can redistribute it and/or modify it
  20 # under the terms of the GNU General Public License as published by
  21 # the Free Software Foundation; either version 2 of the License, or
  22 # (at your option) any later version.
  23 #
  24 # This program is distributed in the hope that it will be useful, but
  25 # WITHOUT ANY WARRANTY; without even the implied warranty of
  26 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  27 # General Public License for more details.
  28 #
  29 # You should have received a copy of the GNU General Public License
  30 # along with this program; if not, write to the Free Software
  31 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  32
  33 ##############################################################################
  34
  35 ### To add a new directory to the tree, first choose whether it is a target
  36 ### or a host dependent tool.  Then put it into the appropriate list
  37 ### (library or tools, host or target), doing a dependency sort.  For
  38 ### example, gdb requires that byacc (or bison) be built first, so it is in
  39 ### the ${host_tools} list after byacc and bison.
  40
  41
  42 # these libraries are used by various programs built for the host environment
  43 #
  44 host_libs="intl mmalloc libiberty opcodes bfd readline gash db tcl tk tcl8.1 tk8.1 tclX itcl tix libgui"
  45
  46 if [ "${enable_gdbgui}" = "yes" ] ; then
  47         host_libs="${host_libs} libgui"
  48 fi
  49
  50 # Set up configure/Makefile variables if libstdc++-v3 is to be built.
  51 if [ "${enable_libstdcxx_v3}" = "yes" ] && test -d $srcdir/libstdc++-v3; then
  52         libstdcxx_version="target-libstdc++-v3"
  53         # Don't use libstdc++-v3's flags to configure/build itself.
  54         libstdcxx_flags='`case $$dir in libstdc++-v3) ;; *) cat $$r/$(TARGET_SUBDIR)/libstdc++-v3/src/libstdc++.INC 2>/dev/null || : ;; esac` -L$$r/$(TARGET_SUBDIR)/libstd++-v3/src -L$$r/$(TARGET_SUBDIR)/libstd++-v3/src/.libs'
  55 else
  56         libstdcxx_version="target-libio target-libstdc++"
  57         libstdcxx_flags='-isystem $$s/libstdc++ -isystem $$s/libstdc++/std -isystem $$s/libstdc++/stl -isystem $$s/libio/ -isystem $$s/libio/stdio -L$$r/$(TARGET_SUBDIR)/libstdc++'
  58 fi
  59
  60 # these tools are built for the host environment
  61 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
  62 # know that we are building the simulator.
  63 host_tools="texinfo byacc flex bison binutils ld gas gcc cgen sid 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"
  64
  65 # these libraries are built for the target environment, and are built after
  66 # the host libraries and the host tools (which may be a cross compiler)
  67 #
  68 target_libs="target-libiberty \
  69                 target-libgloss \
  70                 target-newlib \
  71                 ${libstdcxx_version} \
  72                 target-libf2c \
  73                 target-libchill \
  74                 target-libffi \
  75                 target-libjava \
  76                 target-zlib \
  77                 target-boehm-gc \
  78                 target-qthreads \
  79                 target-libobjc"
  80
  81 # these tools are built using the target libs, and are intended to run only
  82 # in the target environment
  83 #
  84 # note: any program that *uses* libraries that are in the "target_libs"
  85 # list belongs in this list.  those programs are also very likely
  86 # candidates for the "native_only" list which follows
  87 #
  88 target_tools="target-examples target-groff target-gperf"
  89
  90 ################################################################################
  91
  92 ## These two lists are of directories that are to be removed from the
  93 ## ${configdirs} list for either cross-compilations or for native-
  94 ## compilations.  For example, it doesn't make that much sense to
  95 ## cross-compile Emacs, nor is it terribly useful to compile target-libiberty in
  96 ## a native environment.
  97
  98 # directories to be built in the native environment only
  99 #
 100 # This must be a single line because of the way it is searched by grep in
 101 # the code below.
 102 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"
 103
 104 # directories to be built in a cross environment only
 105 #
 106 cross_only="target-libgloss target-newlib target-cygmon target-opcodes target-libstub"
 107
 108 ## All tools belong in one of the four categories, and are assigned above
 109 ## We assign ${configdirs} this way to remove all embedded newlines.  This
 110 ## is important because configure will choke if they ever get through.
 111 ## ${configdirs} is directories we build using the host tools.
 112 ## ${target_configdirs} is directories we build using the target tools.
 113 #
 114 configdirs=`echo ${host_libs} ${host_tools}`
 115 target_configdirs=`echo ${target_libs} ${target_tools}`
 116
 117 ################################################################################
 118
 119 srctrigger=move-if-change
 120 srcname="gnu development package"
 121
 122 # This gets set non-empty for some net releases of packages.
 123 appdirs=""
 124
 125 # per-host:
 126
 127 # Work in distributions that contain no compiler tools, like Autoconf.
 128 if [ -d ${srcdir}/config ]; then
 129 case "${host}" in
 130   m68k-hp-hpux*)
 131     host_makefile_frag="${host_makefile_frag} config/mh-hp300"
 132     ;;
 133   m68k-apollo-sysv*)
 134     host_makefile_frag="${host_makefile_frag} config/mh-apollo68"
 135     ;;
 136   m68k-apollo-bsd*)
 137     host_makefile_frag="${host_makefile_frag} config/mh-a68bsd"
 138     ;;
 139   m88k-dg-dgux*)
 140     host_makefile_frag="${host_makefile_frag} config/mh-dgux"
 141     ;;
 142   m88k-harris-cxux*)
 143     host_makefile_frag="${host_makefile_frag} config/mh-cxux"
 144     ;;
 145   m88k-motorola-sysv*)
 146     host_makefile_frag="${host_makefile_frag} config/mh-delta88"
 147     ;;
 148   mips*-dec-ultrix*)
 149     host_makefile_frag="${host_makefile_frag} config/mh-decstation"
 150     ;;
 151   mips*-nec-sysv4*)
 152     host_makefile_frag="${host_makefile_frag} config/mh-necv4"
 153     ;;
 154   mips*-sgi-irix6*)
 155     host_makefile_frag="${host_makefile_frag} config/mh-irix6"
 156     ;;
 157   mips*-sgi-irix5*)
 158     host_makefile_frag="${host_makefile_frag} config/mh-irix5"
 159     ;;
 160   mips*-sgi-irix4*)
 161     host_makefile_frag="${host_makefile_frag} config/mh-irix4"
 162     ;;
 163   mips*-sgi-irix3*)
 164     host_makefile_frag="${host_makefile_frag} config/mh-sysv"
 165     ;;
 166   mips*-*-sysv4*)
 167     host_makefile_frag="${host_makefile_frag} config/mh-sysv4"
 168     ;;
 169   mips*-*-sysv*)
 170     host_makefile_frag="${host_makefile_frag} config/mh-riscos"
 171     ;;
 172   i370-ibm-opened*)
 173     host_makefile_frag="${host_makefile_frag} config/mh-openedition"
 174     ;;
 175   i[3456]86-*-sysv5*)
 176     host_makefile_frag="${host_makefile_frag} config/mh-sysv5"
 177     ;;
 178   i[3456]86-*-dgux*)
 179     host_makefile_frag="${host_makefile_frag} config/mh-dgux386"
 180     ;;
 181   i[3456]86-ncr-sysv4.3*)
 182     host_makefile_frag="${host_makefile_frag} config/mh-ncrsvr43"
 183     ;;
 184   i[3456]86-ncr-sysv4*)
 185     host_makefile_frag="${host_makefile_frag} config/mh-ncr3000"
 186     ;;
 187   i[3456]86-*-sco3.2v5*)
 188     host_makefile_frag="${host_makefile_frag} config/mh-sysv"
 189     ;;
 190   i[3456]86-*-sco*)
 191     host_makefile_frag="${host_makefile_frag} config/mh-sco"
 192     ;;
 193   i[3456]86-*-udk*)
 194     host_makefile_frag="${host_makefile_frag} config/mh-sysv5"
 195     ;;
 196   i[3456]86-*-isc*)
 197     host_makefile_frag="${host_makefile_frag} config/mh-sysv"
 198     ;;
 199   i[3456]86-*-solaris2*)
 200     host_makefile_frag="${host_makefile_frag} config/mh-sysv4"
 201     ;;
 202   i[3456]86-*-aix*)
 203     host_makefile_frag="${host_makefile_frag} config/mh-aix386"
 204     ;;
 205   i[3456]86-*-msdosdjgpp*)
 206     host_makefile_frag="${host_makefile_frag} config/mh-djgpp"
 207     ;;
 208   *-cygwin*)
 209     host_makefile_frag="${host_makefile_frag} config/mh-cygwin"
 210     ;;
 211   *-mingw32*)
 212     host_makefile_frag="${host_makefile_frag} config/mh-mingw32"
 213     ;;
 214   *-interix*)
 215     host_makefile_frag="${host_makefile_frag} config/mh-interix"
 216     ;;
 217   *-windows*)
 218     host_makefile_frag="${host_makefile_frag} config/mh-windows"
 219     ;;
 220   vax-*-ultrix2*)
 221     host_makefile_frag="${host_makefile_frag} config/mh-vaxult2"
 222     ;;
 223   *-*-solaris2*)
 224     host_makefile_frag="${host_makefile_frag} config/mh-solaris"
 225     ;;
 226   m68k-sun-sunos*)
 227     host_makefile_frag="${host_makefile_frag} config/mh-sun3"
 228     ;;
 229   *-hp-hpux[78]*)
 230     host_makefile_frag="${host_makefile_frag} config/mh-hpux8"
 231     ;;
 232   *-hp-hpux*)
 233     host_makefile_frag="${host_makefile_frag} config/mh-hpux"
 234     ;;
 235   *-*-hiux*)
 236     host_makefile_frag="${host_makefile_frag} config/mh-hpux"
 237     ;;
 238   rs6000-*-lynxos*)
 239     host_makefile_frag="${host_makefile_frag} config/mh-lynxrs6k"
 240     ;;
 241   *-*-lynxos*)
 242     host_makefile_frag="${host_makefile_frag} config/mh-lynxos"
 243     ;;
 244   *-*-sysv4*)
 245     host_makefile_frag="${host_makefile_frag} config/mh-sysv4"
 246     ;;
 247   *-*-sysv*)
 248     host_makefile_frag="${host_makefile_frag} config/mh-sysv"
 249     ;;
 250 esac
 251 fi
 252
 253 # If we aren't going to be using gcc, see if we can extract a definition
 254 # of CC from the fragment.
 255 if [ -z "${CC}" ] && [ "${build}" = "${host}" ]; then
 256   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
 257   found=
 258   for dir in $PATH; do
 259     test -z "$dir" && dir=.
 260     if test -f $dir/gcc; then
 261       found=yes
 262       break
 263     fi
 264   done
 265   IFS="$save_ifs"
 266   if [ -z "${found}" ] && [ -n "${host_makefile_frag}" ] && [ -f "${srcdir}/${host_makefile_frag}" ]; then
 267     xx=`sed -n -e 's/^[         ]*CC[   ]*=[    ]*\(.*\)$/\1/p' < ${srcdir}/${host_makefile_frag}`
 268     if [ -n "${xx}" ] ; then
 269       CC=$xx
 270     fi
 271   fi
 272 fi
 273
 274 # We default to --with-shared on platforms where -fpic is meaningless.
 275 # Well, we don't yet, but we will.
 276 if false && [ "${host}" = "${target}" ] && [ x${enable_shared} = x ]; then
 277   case "${target}" in
 278     alpha*-dec-osf*)    enable_shared=yes ;;
 279     alpha*-*-linux*)    enable_shared=yes ;;
 280     mips-sgi-irix5*)    enable_shared=yes ;;
 281     *)                  enable_shared=no ;;
 282   esac
 283 fi
 284
 285 case "${enable_shared}" in
 286   yes) shared=yes ;;
 287   no) shared=no ;;
 288   "") shared=no ;;
 289   *) shared=yes ;;
 290 esac
 291
 292 if [ x${shared} = xyes ]; then
 293   case "${host}" in
 294     alpha*-*-linux*)
 295       host_makefile_frag="${host_makefile_frag} config/mh-elfalphapic"
 296       ;;
 297     arm*-*-*)
 298       host_makefile_frag="${host_makefile_frag} config/mh-armpic"
 299       ;;
 300     hppa*-*-*)
 301       host_makefile_frag="${host_makefile_frag} config/mh-papic"
 302       ;;
 303     i[3456]86-*-cygwin*)
 304       # We don't want -fPIC on Cygwin.
 305       ;;
 306     i[3456]86-*-*)
 307       host_makefile_frag="${host_makefile_frag} config/mh-x86pic"
 308       ;;
 309     i370-*-*)
 310       host_makefile_frag="${host_makefile_frag} config/mh-i370pic"
 311       ;;
 312     ia64-*-*)
 313       host_makefile_frag="${host_makefile_frag} config/mh-ia64pic"
 314       ;;
 315     sparc64-*-*)
 316       host_makefile_frag="${host_makefile_frag} config/mh-sparcpic"
 317       ;;
 318     powerpc*-*-aix*)
 319       # We don't want -fPIC on AIX.
 320       ;;
 321     powerpc*-*-*)
 322       host_makefile_frag="${host_makefile_frag} config/mh-ppcpic"
 323       ;;
 324     s390-* | s390x-*)
 325       host_makefile_frag="${host_makefile_frag} config/mh-s390pic"
 326       ;;
 327     *-*-*)
 328       if test -f ${srcdir}/config/mh-${host_cpu}pic; then
 329         host_makefile_frag="${host_makefile_frag} config/mh-${host_cpu}pic"
 330       fi
 331       ;;
 332   esac
 333 fi
 334
 335 rm -f mh-frag
 336 if [ -n "${host_makefile_frag}" ] ; then
 337   for f in ${host_makefile_frag}
 338   do
 339     cat ${srcdir}/$f >> mh-frag
 340   done
 341   host_makefile_frag=mh-frag
 342 fi
 343
 344 # per-target:
 345
 346 case "${target}" in
 347   v810*)
 348     target_makefile_frag="${target_makefile_frag} config/mt-v810"
 349     ;;
 350   i[3456]86-*-netware*)
 351     target_makefile_frag="${target_makefile_frag} config/mt-netware"
 352     ;;
 353   powerpc-*-netware*)
 354     target_makefile_frag="${target_makefile_frag} config/mt-netware"
 355     ;;
 356   *-*-linux-gnu*)
 357     target_makefile_frag="${target_makefile_frag} config/mt-linux"
 358     ;;
 359   *-*-aix4.[3456789]* | *-*-aix[56789].*)
 360     target_makefile_frag="${target_makefile_frag} config/mt-aix43"
 361     ;;
 362   mips*-*-pe | sh*-*-pe | *arm-wince-pe)
 363     target_makefile_frag="${target_makefile_frag} config/mt-wince"
 364     ;;
 365 esac
 366
 367 # If --enable-target-optspace always use -Os instead of -O2 to build
 368 # the target libraries, similarly if it is not specified, use -Os
 369 # on selected platforms.
 370 case "${enable_target_optspace}:${target}" in
 371   yes:*)
 372     target_makefile_frag="${target_makefile_frag} config/mt-ospace"
 373     ;;
 374   :d30v-*)
 375     target_makefile_frag="${target_makefile_frag} config/mt-d30v"
 376     ;;
 377   :m32r-* | :d10v-* | :fr30-*)
 378     target_makefile_frag="${target_makefile_frag} config/mt-ospace"
 379     ;;
 380   no:* | :*)
 381     ;;
 382   *)
 383     echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
 384     ;;
 385 esac
 386
 387 skipdirs=
 388 gasdir=gas
 389 use_gnu_ld=
 390 use_gnu_as=
 391
 392 # some tools are so dependent upon X11 that if we're not building with X,
 393 # it's not even worth trying to configure, much less build, that tool.
 394
 395 case ${with_x} in
 396   yes | "")  # the default value for this tree is that X11 is available
 397         ;;
 398   no)
 399         skipdirs="${skipdirs} tk libgui gash"
 400         ;;
 401   *)
 402         echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2
 403         ;;
 404 esac
 405
 406 # Some tools are only suitable for building in a "native" situation.
 407 # Those are added when we have a host==target configuration.  For cross
 408 # toolchains, we add some directories that should only be useful in a
 409 # cross-compiler.
 410
 411 is_cross_compiler=
 412
 413 if [ x"${host}" = x"${target}" ] ; then
 414         # when doing a native toolchain, don't build the targets
 415         # that are in the 'cross only' list
 416         skipdirs="${skipdirs} ${cross_only}"
 417         is_cross_compiler=no
 418 else
 419         # similarly, don't build the targets in the 'native only'
 420         # list when building a cross compiler
 421         skipdirs="${skipdirs} ${native_only}"
 422         is_cross_compiler=yes
 423 fi
 424
 425 # We always want to use the same name for this directory, so that dejagnu
 426 # can reliably find it.
 427 target_subdir=${target_alias}
 428
 429 if [ ! -d ${target_subdir} ] ; then
 430   if mkdir ${target_subdir} ; then true
 431   else
 432     echo "'*** could not make ${PWD=`pwd`}/${target_subdir}" 1>&2
 433     exit 1
 434   fi
 435 fi
 436
 437 copy_dirs=
 438
 439 # Handle --with-headers=XXX.  The contents of the named directory are
 440 # copied to $(tooldir)/sys-include.
 441 if [ x"${with_headers}" != x ]; then
 442   if [ x${is_cross_compiler} = xno ]; then
 443     echo 1>&2 '***' --with-headers is only supported when cross compiling
 444     exit 1
 445   fi
 446   case "${exec_prefixoption}" in
 447   "") x=${prefix} ;;
 448   *) x=${exec_prefix} ;;
 449   esac
 450   copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
 451 fi
 452
 453 # Handle --with-libs=XXX.  Multiple directories are permitted.  The
 454 # contents are copied to $(tooldir)/lib.
 455 if [ x"${with_libs}" != x ]; then
 456   if [ x${is_cross_compiler} = xno ]; then
 457     echo 1>&2 '***' --with-libs is only supported when cross compiling
 458     exit 1
 459   fi
 460   # Copy the libraries in reverse order, so that files in the first named
 461   # library override files in subsequent libraries.
 462   case "${exec_prefixoption}" in
 463   "") x=${prefix} ;;
 464   *) x=${exec_prefix} ;;
 465   esac
 466   for l in ${with_libs}; do
 467     copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
 468   done
 469 fi
 470
 471 # If both --with-headers and --with-libs are specified, default to
 472 # --without-newlib.
 473 if [ x"${with_headers}" != x ] && [ x"${with_libs}" != x ]; then
 474   if [ x"${with_newlib}" = x ]; then
 475     with_newlib=no
 476   fi
 477 fi
 478
 479 # Recognize --with-newlib/--without-newlib.
 480 if [ x${with_newlib} = xno ]; then
 481   skipdirs="${skipdirs} target-newlib"
 482 elif [ x${with_newlib} = xyes ]; then
 483   skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
 484 fi
 485
 486 # Default to using --with-stabs for certain targets.
 487 if [ x${with_stabs} = x ]; then
 488   case "${target}" in
 489   mips*-*-irix6*)
 490     ;;
 491   mips*-*-* | alpha*-*-osf*)
 492     with_stabs=yes;
 493     withoptions="${withoptions} --with-stabs"
 494     ;;
 495   esac
 496 fi
 497
 498 # Handle ${copy_dirs}
 499 set fnord ${copy_dirs}
 500 shift
 501 while [ $# != 0 ]; do
 502   if [ -f $2/COPIED ] && [ x"`cat $2/COPIED`" = x"$1" ]; then
 503     :
 504   else
 505     echo Copying $1 to $2
 506
 507     # Use the install script to create the directory and all required
 508     # parent directories.
 509     if [ -d $2 ]; then
 510       :
 511     else
 512       echo >config.temp
 513       ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
 514     fi
 515
 516     # Copy the directory, assuming we have tar.
 517     # FIXME: Should we use B in the second tar?  Not all systems support it.
 518     (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
 519
 520     # It is the responsibility of the user to correctly adjust all
 521     # symlinks.  If somebody can figure out how to handle them correctly
 522     # here, feel free to add the code.
 523
 524     echo $1 > $2/COPIED
 525   fi
 526   shift; shift
 527 done
 528
 529 # Configure extra directories which are host specific
 530
 531 case "${host}" in
 532         i[3456]86-*-go32*)
 533           configdirs="$configdirs dosrel" ;;
 534         i[3456]86-*-mingw32*)
 535           configdirs="$configdirs dosrel" ;;
 536         *-cygwin*)
 537           configdirs="$configdirs libtermcap dosrel" ;;
 538 esac
 539
 540 # Remove more programs from consideration, based on the host or
 541 # target this usually means that a port of the program doesn't
 542 # exist yet.
 543
 544 noconfigdirs=""
 545
 546 case "${host}" in
 547   i[3456]86-*-vsta)
 548     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"
 549     ;;
 550   i[3456]86-*-go32* | i[3456]86-*-msdosdjgpp*)
 551     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 gettext libffi"
 552         ;;
 553   i[3456]86-*-mingw32*)
 554     # 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"
 555      noconfigdirs="expect dejagnu cvs autoconf automake send-pr rcs guile perl texinfo apache inet libtool"
 556         ;;
 557   i[3456]86-*-beos*)
 558      noconfigdirs="$noconfigdirs tk itcl tix libgui gdb"
 559      ;;
 560   *-*-cygwin*)
 561      noconfigdirs="autoconf automake send-pr rcs guile perl apache inet"
 562     ;;
 563   *-*-netbsd*)
 564     noconfigdirs="rcs"
 565     ;;
 566   ppc*-*-pe)
 567      noconfigdirs="patch diff make tk tcl expect dejagnu cvssrc autoconf automake texinfo bison send-pr gprof rcs guile perl apache inet itcl tix db snavigator gnuserv"
 568     ;;
 569   powerpc-*-beos*)
 570     noconfigdirs="$noconfigdirs tk itcl tix libgui gdb dejagnu readline"
 571     ;;
 572 esac
 573
 574
 575 # Save it here so that, even in case of --enable-libgcj, if the Java
 576 # front-end isn't enabled, we still get libgcj disabled.
 577 libgcj_saved=$libgcj
 578 case $enable_libgcj in
 579 yes)
 580   # If we reset it here, it won't get added to noconfigdirs in the
 581   # target-specific build rules, so it will be forcibly enabled
 582   # (unless the Java language itself isn't enabled).
 583   libgcj=
 584   ;;
 585 no)
 586   # Make sure we get it printed in the list of not supported target libs.
 587   noconfigdirs="$noconfigdirs ${libgcj}"
 588   ;;
 589 esac
 590
 591 case "${target}" in
 592   *-*-netware)
 593     noconfigdirs="$noconfigdirs ${libstdcxx_version} target-newlib target-libiberty target-libgloss target-libffi"
 594     ;;
 595   *-*-rtems*)
 596     noconfigdirs="$noconfigdirs target-libgloss target-libffi"
 597     ;;
 598   *-*-vxworks*)
 599     noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libffi"
 600     ;;
 601   alpha*-dec-osf*)
 602     # ld works, but does not support shared libraries.  emacs doesn't
 603     # work.  newlib is not 64 bit ready.  I'm not sure about fileutils.
 604     # gas doesn't generate exception information.
 605     noconfigdirs="$noconfigdirs gas ld emacs fileutils target-newlib target-libgloss"
 606     ;;
 607   alpha*-*-*vms*)
 608     noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss target-libffi"
 609     ;;
 610   alpha*-*-*)
 611     # newlib is not 64 bit ready
 612     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 613     ;;
 614   sh*-*-pe|mips*-*-pe|*arm-wince-pe)
 615     noconfigdirs="$noconfigdirs target-libjava target-libffi target-zlib"
 616     noconfigdirs="$noconfigdirs target-boehm-gc target-qthreads target-examples"
 617     noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
 618     noconfigdirs="$noconfigdirs tcl tix tk itcl libgui sim"
 619     noconfigdirs="$noconfigdirs expect dejagnu"
 620     # the C++ libraries don't build on top of CE's C libraries
 621     noconfigdirs="$noconfigdirs ${libstdcxx_version}"
 622     skipdirs="$skipdirs target-newlib"
 623     case "${host}" in
 624       *-*-cygwin*) ;; # keep gdb and readline
 625       *) noconfigdirs="$noconfigdirs gdb readline ${libstdcxx_version}"
 626          ;;
 627     esac
 628     ;;
 629   arc-*-*)
 630     noconfigdirs="$noconfigdirs target-libgloss target-libffi"
 631     ;;
 632   arm-*-pe*)
 633     noconfigdirs="$noconfigdirs target-libgloss"
 634     ;;
 635   arm-*-coff*)
 636     noconfigdirs="$noconfigdirs target-libgloss"
 637     if [ x${is_cross_compiler} != xno ] ; then
 638            target_configdirs="${target_configdirs} target-bsp target-cygmon"
 639     fi
 640     ;;
 641   arm-*-elf*)
 642     noconfigdirs="$noconfigdirs target-libgloss"
 643     if [ x${is_cross_compiler} != xno ] ; then
 644            target_configdirs="${target_configdirs} target-bsp target-cygmon"
 645     fi
 646     ;;
 647   arm-*-oabi*)
 648     noconfigdirs="$noconfigdirs target-libgloss target-libffi"
 649     ;;
 650   thumb-*-coff)
 651     noconfigdirs="$noconfigdirs target-libgloss target-libffi"
 652     ;;
 653   thumb-*-elf)
 654     noconfigdirs="$noconfigdirs target-libgloss target-libffi"
 655     ;;
 656   thumb-*-oabi)
 657     noconfigdirs="$noconfigdirs target-libgloss target-libffi"
 658     ;;
 659   strongarm-*-elf)
 660     noconfigdirs="$noconfigdirs target-libgloss target-libffi"
 661     if [ x${is_cross_compiler} != xno ] ; then
 662            target_configdirs="${target_configdirs} target-bsp target-cygmon"
 663     fi
 664     ;;
 665   strongarm-*-coff)
 666     noconfigdirs="$noconfigdirs target-libgloss target-libffi"
 667     if [ x${is_cross_compiler} != xno ] ; then
 668            target_configdirs="${target_configdirs} target-bsp target-cygmon"
 669     fi
 670     ;;
 671   xscale-*-elf)
 672     noconfigdirs="$noconfigdirs target-libgloss target-libffi"
 673     if [ x${is_cross_compiler} != xno ] ; then
 674            target_configdirs="${target_configdirs} target-bsp target-cygmon"
 675     fi
 676     ;;
 677   xscale-*-coff)
 678     noconfigdirs="$noconfigdirs target-libgloss target-libffi"
 679     if [ x${is_cross_compiler} != xno ] ; then
 680            target_configdirs="${target_configdirs} target-bsp target-cygmon"
 681     fi
 682     ;;
 683   thumb-*-pe)
 684     noconfigdirs="$noconfigdirs target-libgloss target-libffi"
 685     ;;
 686   arm-*-riscix*)
 687     noconfigdirs="$noconfigdirs ld target-libgloss target-libffi"
 688     ;;
 689   c4x-*-*)
 690     noconfigdirs="$noconfigdirs ${libstdcxx_version} target-libgloss target-libffi"
 691     ;;
 692   c54x*-*-* | tic54x-*-*)
 693     noconfigdirs="$noconfigdirs ${libstdcxx_version} target-libgloss target-libffi gcc gdb newlib"
 694     ;;
 695   d10v-*-*)
 696     noconfigdirs="$noconfigdirs ${libstdcxx_version} target-libgloss target-libffi"
 697     ;;
 698   d30v-*-*)
 699     ;;
 700   fr30-*-elf*)
 701     if [ x${is_cross_compiler} != xno ] ; then
 702            target_configdirs="${target_configdirs} target-bsp target-libstub target-cygmon"
 703     fi
 704     ;;
 705   h8300*-*-* | \
 706   h8500-*-*)
 707     noconfigdirs="$noconfigdirs ${libstdcxx_version} target-libgloss target-libffi"
 708     ;;
 709   hppa*-*-*elf* | \
 710   hppa*-*-linux-gnu* | \
 711   hppa*-*-lites* | \
 712   hppa*64*-*-*)
 713     # Do configure ld/binutils/gas for this case.
 714     ;;
 715   hppa*-*-*)
 716     # HP's C compiler doesn't handle Emacs correctly (but on BSD and Mach
 717     # cc is gcc, and on any system a user should be able to link cc to
 718     # whatever they want.  FIXME, emacs emacs19).
 719     case "${CC}" in
 720         "" | cc*) noconfigdirs="$noconfigdirs emacs emacs19" ;;
 721         *) ;;
 722     esac
 723     # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
 724     # build on HP-UX 10.20.
 725     noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
 726     ;;
 727   ia64*-*-elf*)
 728     # No gdb support yet.
 729     noconfigdirs="$noconfigdirs tix readline mmalloc libgui itcl gdb"
 730     ;;
 731   i[3456]86-*-coff | i[3456]86-*-elf)
 732     if [ x${is_cross_compiler} != xno ] ; then
 733          target_configdirs="${target_configdirs} target-libstub target-cygmon"
 734     fi
 735     ;;
 736   i[3456]86-*-go32* | i[3456]-*-msdosdjgpp*)
 737     # but don't build gdb
 738     noconfigdirs="$noconfigdirs gdb ${libstdcxx_version} target-libffi"
 739     ;;
 740   i[3456]86-*-mingw32*)
 741     target_configdirs="$target_configdirs target-mingw"
 742     noconfigdirs="$noconfigdirs expect target-libgloss ${libgcj}"
 743
 744     # Can't build gdb for mingw32 if not native.
 745     case "${host}" in
 746       i[3456]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
 747       *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix db snavigator gnuserv"
 748          ;;
 749     esac
 750     ;;
 751   *-*-cygwin*)
 752     target_configdirs="$target_configdirs target-libtermcap target-winsup"
 753     noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
 754     # always build newlib.
 755     skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
 756
 757     # Can't build gdb for Cygwin if not native.
 758     case "${host}" in
 759       *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
 760       *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix libgui db snavigator gnuserv"
 761          ;;
 762     esac
 763     ;;
 764   i[3456]86-*-pe)
 765     noconfigdirs="$noconfigdirs ${libstdcxx_version} target-libgloss target-libffi"
 766     ;;
 767   i[3456]86-*-sco3.2v5*)
 768     # The linker does not yet know about weak symbols in COFF,
 769     # and is not configured to handle mixed ELF and COFF.
 770     noconfigdirs="$noconfigdirs ld target-libgloss target-libffi"
 771     ;;
 772   i[3456]86-*-sco*)
 773     noconfigdirs="$noconfigdirs gprof target-libgloss target-libffi"
 774     ;;
 775   i[3456]86-*-solaris2*)
 776     noconfigdirs="$noconfigdirs target-libgloss"
 777     ;;
 778   i[3456]86-*-sysv4*)
 779     # The SYSV4 C compiler doesn't handle Emacs correctly
 780     case "${CC}" in
 781         "" | cc*) noconfigdirs="$noconfigdirs emacs emacs19" ;;
 782         *) ;;
 783     esac
 784     # but that's okay since emacs doesn't work anyway
 785     noconfigdirs="$noconfigdirs emacs emacs19 target-libgloss target-libffi"
 786     ;;
 787   i[3456]86-*-beos*)
 788      noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
 789      ;;
 790  m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
 791     noconfigdirs="$noconfigdirs target-libiberty target-librx target-libg++ target-libstdc++ target-libio target-libf2c target-libchill target-zlib target-libobjc"
 792     ;;
 793  m68k-*-elf*)
 794     if [ x${is_cross_compiler} != xno ] ; then
 795            target_configdirs="${target_configdirs} target-bsp target-cygmon"
 796     fi
 797     ;;
 798   m68k-*-coff*)
 799     if [ x${is_cross_compiler} != xno ] ; then
 800            target_configdirs="${target_configdirs} target-bsp target-cygmon"
 801     fi
 802     ;;
 803   mn10200-*-*)
 804     noconfigdirs="$noconfigdirs target-libffi"
 805     if [ x${is_cross_compiler} != xno ] ; then
 806            target_configdirs="${target_configdirs} target-libstub target-cygmon"
 807     fi
 808     ;;
 809   mn10300-*-*)
 810     noconfigdirs="$noconfigdirs target-libffi"
 811     if [ x${is_cross_compiler} != xno ] ; then
 812            target_configdirs="${target_configdirs} target-bsp target-libstub target-cygmon"
 813     fi
 814     ;;
 815   powerpc-*-aix*)
 816     # copied from rs6000-*-* entry
 817     use_gnu_ld=yes
 818     ;;
 819   powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
 820     target_configdirs="$target_configdirs target-winsup"
 821     noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl tix db snavigator gnuserv target-libffi"
 822     # always build newlib.
 823     skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
 824     ;;
 825     # This is temporary until we can link against shared libraries
 826   powerpcle-*-solaris*)
 827     noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl tix db snavigator gnuserv target-libffi"
 828     ;;
 829   powerpc-*-beos*)
 830     noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
 831     ;;
 832   powerpc-*-eabi)
 833     if [ x${is_cross_compiler} != xno ] ; then
 834            target_configdirs="${target_configdirs} target-bsp target-libstub target-cygmon"
 835     fi
 836     ;;
 837   rs6000-*-lynxos*)
 838     # The CVS server code doesn't work on the RS/6000
 839     noconfigdirs="$noconfigdirs target-newlib gprof cvssrc target-libffi"
 840     ;;
 841   rs6000-*-aix*)
 842     noconfigdirs="$noconfigdirs gprof target-libffi"
 843     use_gnu_ld=yes
 844     ;;
 845   rs6000-*-*)
 846     noconfigdirs="$noconfigdirs gprof target-libffi"
 847     ;;
 848   m68k-apollo-*)
 849     noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss target-libffi"
 850     ;;
 851   mips*-*-irix5*)
 852     # The GNU linker does not support shared libraries.
 853     # emacs is emacs 18, which does not work on Irix 5 (emacs19 does work)
 854     noconfigdirs="$noconfigdirs ld gprof emacs target-libgloss"
 855     ;;
 856   mips*-*-irix6*)
 857     # The GNU assembler does not support IRIX 6.
 858     # emacs is emacs 18, which does not work on Irix 5 (emacs19 does work)
 859     # Linking libjava exceeds command-line length limits on at least
 860     # IRIX 6.2, but not on IRIX 6.5.
 861     # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
 862     # <oldham@codesourcery.com>
 863     noconfigdirs="$noconfigdirs gas gprof emacs target-libgloss ${libgcj}"
 864     ;;
 865   mips*-dec-bsd*)
 866     noconfigdirs="$noconfigdirs gprof target-libgloss target-libffi"
 867     ;;
 868   mips*-*-bsd*)
 869     noconfigdirs="$noconfigdirs gprof target-libgloss target-libffi"
 870     ;;
 871   mipstx39-*-*)
 872     noconfigdirs="$noconfigdirs gprof target-libffi"   # same as generic mips
 873     target_configdirs="${target_configdirs} target-bsp target-libstub target-cygmon"
 874    ;;
 875   mips*-*-*)
 876     noconfigdirs="$noconfigdirs gprof target-libffi"
 877     ;;
 878   romp-*-*)
 879     noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss target-libffi"
 880     ;;
 881   sh-*-*)
 882     case "${host}" in
 883       i[3456]86-*-vsta) ;; # don't add gprof back in
 884       i[3456]86-*-go32*) ;; # don't add gprof back in
 885       i[3456]86-*-msdosdjgpp*) ;; # don't add gprof back in
 886       *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
 887     esac
 888     noconfigdirs="$noconfigdirs target-libgloss target-libffi"
 889     ;;
 890   sparc-*-elf*)
 891     if [ x${is_cross_compiler} != xno ] ; then
 892            target_configdirs="${target_configdirs} target-libstub target-cygmon"
 893     fi
 894     ;;
 895   sparc64-*-elf*)
 896     if [ x${is_cross_compiler} != xno ] ; then
 897            target_configdirs="${target_configdirs} target-libstub target-cygmon"
 898     fi
 899     noconfigdirs="$noconfigdirs target-libffi"
 900     ;;
 901   sparclite-*-*)
 902     if [ x${is_cross_compiler} != xno ] ; then
 903            target_configdirs="${target_configdirs} target-bsp target-libstub target-cygmon"
 904     fi
 905     noconfigdirs="$noconfigdirs target-libffi"
 906     ;;
 907   sparc-*-sunos4*)
 908     if [ x${is_cross_compiler} != xno ] ; then
 909            noconfigdirs="$noconfigdirs gdb gdbtest target-newlib target-libgloss"
 910     else
 911            use_gnu_ld=no
 912     fi
 913     ;;
 914   sparc-*-solaris*)
 915     case "${host}" in
 916     sparc-*-solaris2.8)
 917       # According to Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>, libjava
 918       # won't build correctly on Solaris 8 if there's a
 919       # previously-installed version of GCC in the configured prefix.
 920       # This problem does not show up on earlier versions of Solaris.
 921       noconfigdirs="$noconfigdirs ${libgcj}"
 922       ;;
 923     esac
 924     ;;
 925   v810-*-*)
 926     noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld ${libstdcxx_version} opcodes target-libgloss target-libffi"
 927     ;;
 928   v850-*-*)
 929     noconfigdirs="$noconfigdirs target-libgloss target-libffi"
 930     ;;
 931   v850e-*-*)
 932     noconfigdirs="$noconfigdirs target-libgloss target-libffi"
 933     ;;
 934   v850ea-*-*)
 935     noconfigdirs="$noconfigdirs target-libgloss target-libffi"
 936     ;;
 937   vax-*-vms)
 938     noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss target-libffi"
 939     ;;
 940   vax-*-*)
 941     noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libffi"
 942     ;;
 943   *-*-lynxos*)
 944     noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libffi"
 945     ;;
 946   *-*-macos* | \
 947   *-*-mpw*)
 948     # Macs want a resource compiler.
 949     configdirs="$configdirs grez"
 950     noconfigdirs="$noconfigdirs target-libffi"
 951     ;;
 952 esac
 953
 954 # If we aren't building newlib, then don't build libgloss, since libgloss
 955 # depends upon some newlib header files.
 956 case "${noconfigdirs}" in
 957   *target-libgloss*) ;;
 958   *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
 959 esac
 960
 961 # Make sure we don't let GNU ld be added if we didn't want it.
 962 if [ x$with_gnu_ld = xno ]; then
 963   use_gnu_ld=no
 964   noconfigdirs="$noconfigdirs ld"
 965 fi
 966
 967 # Make sure we don't let GNU as be added if we didn't want it.
 968 if [ x$with_gnu_as = xno ]; then
 969   use_gnu_as=no
 970   noconfigdirs="$noconfigdirs gas"
 971 fi
 972
 973 # Figure out what language subdirectories are present.
 974 # Look if the user specified --enable-languages="..."; if not, use
 975 # the environment variable $LANGUAGES if defined. $LANGUAGES might
 976 # go away some day.
 977 if test x"${enable_languages+set}" != xset; then
 978         if test x"${LANGUAGES+set}" = xset; then
 979                 enable_languages="`echo ${LANGUAGES} | tr ' ' ','`"
 980         else
 981                 enable_languages=all
 982         fi
 983 else
 984         if test x"${enable_languages}" = x; then
 985                 echo configure.in: --enable-languages needs at least one argument 1>&2
 986                 exit 1
 987         fi
 988 fi
 989 subdirs=
 990 for lang in ${srcdir}/gcc/*/config-lang.in ..
 991 do
 992         case $lang in
 993         ..) ;;
 994         # The odd quoting in the next line works around
 995         # an apparent bug in bash 1.12 on linux.
 996         ${srcdir}/gcc/[*]/config-lang.in) ;;
 997         *)
 998           lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^   ]*\).*$,\1,p' $lang`
 999           this_lang_libs=`sed -n -e 's,^target_libs=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^target_libs=\([^         ]*\).*$,\1,p' $lang`
1000           build_by_default=`sed -n -e 's,^build_by_default=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^build_by_default=\([^     ]*\).*$,\1,p' $lang`
1001           if test "x$lang_alias" = x
1002           then
1003                 echo "$lang doesn't set \$language." 1>&2
1004                 exit 1
1005           fi
1006           case ${build_by_default},${enable_languages}, in
1007           *,$lang_alias,*) add_this_lang=yes ;;
1008           no,*) add_this_lang=no ;;
1009           *,all,*) add_this_lang=yes ;;
1010           *) add_this_lang=no ;;
1011           esac
1012           if test x"${add_this_lang}" = xyes; then
1013               eval target_libs='"$target_libs "'\"$this_lang_libs\"
1014           else
1015               eval noconfigdirs='"$noconfigdirs "'\"$this_lang_libs\"
1016           fi
1017           ;;
1018         esac
1019 done
1020
1021
1022 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs and
1023 # $target_configdirs.
1024 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1025
1026 notsupp=""
1027 for dir in . $skipdirs $noconfigdirs ; do
1028   dirname=`echo $dir | sed -e s/target-//g`
1029   if [ $dir != . ]  && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1030     configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1031     if [ -r $srcdir/$dirname/configure ] \
1032         || [ -r $srcdir/$dirname/configure.in ]; then
1033       if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1034         true
1035       else
1036         notsupp="$notsupp $dir"
1037       fi
1038     fi
1039   fi
1040   if [ $dir != . ]  && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1041     target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1042     if [ -r $srcdir/$dirname/configure ] \
1043         || [ -r $srcdir/$dirname/configure.in ]; then
1044       if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1045         true
1046       else
1047         notsupp="$notsupp $dir"
1048       fi
1049     fi
1050   fi
1051 done
1052
1053 # Sometimes the tools are distributed with libiberty but with no other
1054 # libraries.  In that case, we don't want to build target-libiberty.
1055 if [ -n "${target_configdirs}" ]; then
1056   others=
1057   for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1058     if [ "$i" != "libiberty" ]; then
1059       if [ -r $srcdir/$i/configure ] || [ -r $srcdir/$i/configure.in ]; then
1060         others=yes;
1061         break;
1062       fi
1063     fi
1064   done
1065   if [ -z "${others}" ]; then
1066     target_configdirs=
1067   fi
1068 fi
1069
1070 # Deconfigure all subdirectories, in case we are changing the
1071 # configuration from one where a subdirectory is supported to one where it
1072 # is not.
1073 if [ -z "${norecursion}" ] && [ -n "${configdirs}" ]; then
1074   for i in `echo ${configdirs} | sed -e s/target-//g` ; do
1075     rm -f $i/Makefile
1076   done
1077 fi
1078 if [ -z "${norecursion}" ] && [ -n "${target_configdirs}" ]; then
1079   for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1080     rm -f ${target_subdir}/$i/Makefile
1081   done
1082 fi
1083
1084 # Produce a warning message for the subdirs we can't configure.
1085 # This isn't especially interesting in the Cygnus tree, but in the individual
1086 # FSF releases, it's important to let people know when their machine isn't
1087 # supported by the one or two programs in a package.
1088
1089 if [ -n "${notsupp}" ] && [ -z "${norecursion}" ]; then
1090   # If $appdirs is non-empty, at least one of those directories must still
1091   # be configured, or we error out.  (E.g., if the gas release supports a
1092   # specified target in some subdirs but not the gas subdir, we shouldn't
1093   # pretend that all is well.)
1094   if [ -n "$appdirs" ]; then
1095     for dir in $appdirs ; do
1096       if [ -r $dir/Makefile.in ]; then
1097         if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1098           appdirs=""
1099           break
1100         fi
1101         if echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1102           appdirs=""
1103           break
1104         fi
1105       fi
1106     done
1107     if [ -n "$appdirs" ]; then
1108       echo "*** This configuration is not supported by this package." 1>&2
1109       exit 1
1110     fi
1111   fi
1112   # Okay, some application will build, or we don't care to check.  Still
1113   # notify of subdirs not getting built.
1114   echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1115   echo "    ${notsupp}" 1>&2
1116   echo "    (Any other directories should still work fine.)" 1>&2
1117 fi
1118
1119 # Set with_gnu_as and with_gnu_ld as appropriate.
1120 #
1121 # This is done by determining whether or not the appropriate directory
1122 # is available, and by checking whether or not specific configurations
1123 # have requested that this magic not happen.
1124 #
1125 # The command line options always override the explicit settings in
1126 # configure.in, and the settings in configure.in override this magic.
1127 #
1128 # If the default for a toolchain is to use GNU as and ld, and you don't
1129 # want to do that, then you should use the --without-gnu-as and
1130 # --without-gnu-ld options for the configure script.
1131
1132 if [ x${use_gnu_as} = x ] ; then
1133   if [ x${with_gnu_as} != xno ] && echo " ${configdirs} " | grep " ${gasdir} " > /dev/null 2>&1 && [ -d ${srcdir}/${gasdir} ] ; then
1134     with_gnu_as=yes
1135     withoptions="$withoptions --with-gnu-as"
1136   fi
1137 fi
1138
1139 if [ x${use_gnu_ld} = x ] ; then
1140   if [ x${with_gnu_ld} != xno ] && echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 && [ -d ${srcdir}/ld ] ; then
1141     with_gnu_ld=yes
1142     withoptions="$withoptions --with-gnu-ld"
1143   fi
1144 fi
1145
1146 # If using newlib, add --with-newlib to the withoptions so that gcc/configure
1147 # can detect this case.
1148
1149 if [ x${with_newlib} != xno ] && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 && [ -d ${srcdir}/newlib ] ; then
1150   with_newlib=yes
1151   withoptions="$withoptions --with-newlib"
1152 fi
1153
1154 if [ x${shared} = xyes ]; then
1155   case "${target}" in
1156     hppa*)
1157       target_makefile_frag="${target_makefile_frag} config/mt-papic"
1158       ;;
1159     i[3456]86-*)
1160       target_makefile_frag="${target_makefile_frag} config/mt-x86pic"
1161       ;;
1162     ia64-*)
1163       target_makefile_frag="${target_makefile_frag} config/mt-ia64pic"
1164       ;;
1165     powerpc*-*-aix*)
1166       # We don't want -fPIC on AIX.
1167       ;;
1168     powerpc*-*)
1169       target_makefile_frag="${target_makefile_frag} config/mt-ppcpic"
1170       ;;
1171     alpha*-*-linux*)
1172       target_makefile_frag="${target_makefile_frag} config/mt-elfalphapic"
1173       ;;
1174     *)
1175       if test -f ${srcdir}/config/mt-${target_cpu}pic; then
1176         target_makefile_frag="${target_makefile_frag} config/mt-${target_cpu}pic"
1177       fi
1178       ;;
1179   esac
1180 fi
1181
1182 rm -f mt-frag
1183 if [ -n "${target_makefile_frag}" ] ; then
1184   for f in ${target_makefile_frag}
1185   do
1186     cat ${srcdir}/$f >> mt-frag
1187   done
1188   target_makefile_frag=mt-frag
1189 fi
1190
1191 # post-target:
1192
1193 # Make sure that the compiler is able to generate an executable.  If it
1194 # can't, we are probably in trouble.  We don't care whether we can run the
1195 # executable--we might be using a cross compiler--we only care whether it
1196 # can be created.  At this point the main configure script has set CC.
1197 echo "int main () { return 0; }" > conftest.c
1198 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1199 if [ $? = 0 ] && [ -s conftest -o -s conftest.exe ]; then
1200   :
1201 else
1202   echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1203   echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1204   rm -f conftest*
1205   exit 1
1206 fi
1207 rm -f conftest*
1208
1209 # The Solaris /usr/ucb/cc compiler does not appear to work.
1210 case "${host}" in
1211   sparc-sun-solaris2*)
1212       CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1213       if [ "`/usr/bin/which $CCBASE`" = "/usr/ucb/cc" ] ; then
1214           could_use=
1215           [ -d /opt/SUNWspro/bin ] && could_use="/opt/SUNWspro/bin"
1216           if [ -d /opt/cygnus/bin ] ; then
1217               if [ "$could_use" = "" ] ; then
1218                   could_use="/opt/cygnus/bin"
1219               else
1220                   could_use="$could_use or /opt/cygnus/bin"
1221               fi
1222           fi
1223         if [ "$could_use" = "" ] ; then
1224             echo "Warning: compilation may fail because you're using"
1225             echo "/usr/ucb/cc.  You should change your PATH or CC "
1226             echo "variable and rerun configure."
1227         else
1228             echo "Warning: compilation may fail because you're using"
1229             echo "/usr/ucb/cc, when you should use the C compiler from"
1230             echo "$could_use.  You should change your"
1231             echo "PATH or CC variable and rerun configure."
1232         fi
1233       fi
1234   ;;
1235 esac
1236
1237 # If --enable-shared was set, we must set LD_LIBRARY_PATH so that the
1238 # binutils tools will find libbfd.so.
1239 if [ "${shared}" = "yes" ]; then
1240   sed -e 's/^SET_LIB_PATH[      ]*=.*$/SET_LIB_PATH = $(REALLY_SET_LIB_PATH)/' \
1241       Makefile > Makefile.tem
1242   rm -f Makefile
1243   mv -f Makefile.tem Makefile
1244
1245   case "${host}" in
1246   *-*-hpux*)
1247     sed -e 's/^RPATH_ENVVAR[    ]*=.*$/RPATH_ENVVAR = SHLIB_PATH/' \
1248         Makefile > Makefile.tem
1249     rm -f Makefile
1250     mv -f Makefile.tem Makefile
1251     ;;
1252   esac
1253 fi
1254
1255 # Record target_configdirs and the configure arguments in Makefile.
1256 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1257 targargs=`echo "${arguments}" | \
1258         sed -e 's/--no[^        ]*//' \
1259             -e 's/--cache[a-z-]*=[^     ]*//' \
1260             -e 's/--ho[a-z-]*=[^        ]*//' \
1261             -e 's/--bu[a-z-]*=[^        ]*//' \
1262             -e 's/--ta[a-z-]*=[^        ]*//'`
1263
1264 # Passing a --with-cross-host argument lets the target libraries know
1265 # whether they are being built with a cross-compiler or being built
1266 # native.  However, it would be better to use other mechanisms to make the
1267 # sorts of decisions they want to make on this basis.  Please consider
1268 # this option to be deprecated.  FIXME.
1269 if [ x${is_cross_compiler} = xyes ]; then
1270   targargs="--with-cross-host=${host_alias} ${targargs}"
1271 fi
1272
1273 # Default to --enable-multilib.
1274 if [ x${enable_multilib} = x ]; then
1275   targargs="--enable-multilib ${targargs}"
1276 fi
1277
1278 # Pass --with-newlib if appropriate.  Note that target_configdirs has
1279 # changed from the earlier setting of with_newlib.
1280 if [ x${with_newlib} != xno ] && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && [ -d ${srcdir}/newlib ] ; then
1281   targargs="--with-newlib ${targargs}"
1282 fi
1283
1284 # provide a proper gxx_include_dir.
1285 # Note, if you change the default, make sure to fix both here and in
1286 # the gcc, libio, and libstdc++ subdirectories.
1287 # Check whether --with-gxx-include-dir or --without-gxx-include-dir was given.
1288 gxx_include_dir=
1289 if test -n "${with_gxx_include_dir}"; then
1290   case "${with_gxx_include_dir}" in
1291     yes )
1292       echo "configure.in: error: bad value ${withval} given for g++ include directory" 1>&2
1293       exit 1
1294       ;;
1295     no )
1296       ;;
1297     * )
1298       gxx_include_dir=${with_gxx_include_dir}
1299       ;;
1300   esac
1301 fi
1302 if test x${gxx_include_dir} = x; then
1303   if test x${enable_version_specific_runtime_libs} = xyes; then
1304     gxx_include_dir='${libsubdir}/include/g++'
1305   else
1306     . ${topsrcdir}/config.if
1307     gxx_include_dir='${prefix}/include/g++'-${libstdcxx_interface}
1308   fi
1309 else
1310   gxx_include_dir=${gxx_include_dir}
1311 fi
1312
1313 FLAGS_FOR_TARGET=
1314 case " $skipdirs " in
1315 *" target-newlib "*) ;;
1316 *)
1317    case "$target" in
1318    *-cygwin*)
1319      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' ;;
1320    esac
1321
1322    # If we're not building GCC, don't discard standard headers.
1323    if test -d ${topsrcdir}/gcc; then
1324      FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
1325
1326      if test "${build}" != "${host}"; then
1327        # On Canadian crosses, CC_FOR_TARGET will have already been set
1328        # by `configure', so we won't have an opportunity to add -Bgcc/
1329        # to it.  This is right: we don't want to search that directory
1330        # for binaries, but we want the header files in there, so add
1331        # them explicitly.
1332        FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/gcc/include'
1333
1334        # Someone might think of using the pre-installed headers on
1335        # Canadian crosses, in case the installed compiler is not fully
1336        # compatible with the compiler being built.  In this case, it
1337        # would be better to flag an error than risking having
1338        # incompatible object files being constructed.  We can't
1339        # guarantee that an error will be flagged, but let's hope the
1340        # compiler will do it, when presented with incompatible header
1341        # files.
1342      fi
1343    fi
1344
1345    # If we're building newlib, use its generic headers last, but search
1346    # for any libc-related directories first (so make it the last -B
1347    # switch).
1348    FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
1349    ;;
1350 esac
1351
1352 # On Canadian crosses, we'll be searching the right directories for
1353 # the previously-installed cross compiler, so don't bother to add
1354 # flags for directories within the install tree of the compiler
1355 # being built; programs in there won't even run.
1356 if test "${build}" = "${host}" && test -d ${topsrcdir}/gcc; then
1357   # Search for pre-installed headers if nothing else fits.
1358   FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include'
1359 fi
1360
1361 if test "x${use_gnu_ld}" = x && test "x${with_gnu_ld}" != xno &&
1362    echo " ${configdirs} " | grep " ld " > /dev/null &&
1363    test -d ${srcdir}/ld; then
1364   # Arrange for us to find uninstalled linker scripts.
1365   FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/ld'
1366 fi
1367
1368 if test "x${CC_FOR_TARGET+set}" = xset; then
1369   :
1370 elif test -d ${topsrcdir}/gcc; then
1371   CC_FOR_TARGET='$$r/gcc/xgcc -B$$r/gcc/'
1372 elif test "$host" = "$target"; then
1373   CC_FOR_TARGET='$(CC)'
1374 else
1375   CC_FOR_TARGET=`echo gcc | sed -e 's/x/x/' ${program_transform_name}`
1376 fi
1377 # On Canadian crosses, configure reads CC_FOR_TARGET from Makefile,
1378 # if Makefile exists.  Prevent $(FLAGS_FOR_TARGET) from being duplicated.
1379 case $CC_FOR_TARGET in
1380 *' $(FLAGS_FOR_TARGET)') ;;
1381 *) CC_FOR_TARGET=$CC_FOR_TARGET' $(FLAGS_FOR_TARGET)' ;;
1382 esac
1383
1384 if test "x${CHILL_FOR_TARGET+set}" = xset; then
1385   :
1386 elif test -d ${topsrcdir}/gcc; then
1387   CHILL_FOR_TARGET='$$r/gcc/xgcc -B$$r/gcc/ -L$$r/gcc/ch/runtime/'
1388 elif test "$host" = "$target"; then
1389   CHILL_FOR_TARGET='$(CC)'
1390 else
1391   CHILL_FOR_TARGET=`echo gcc | sed -e 's/x/x/' ${program_transform_name}`
1392 fi
1393 case $CHILL_FOR_TARGET in
1394 *' $(FLAGS_FOR_TARGET)') ;;
1395 *) CHILL_FOR_TARGET=$CHILL_FOR_TARGET' $(FLAGS_FOR_TARGET)' ;;
1396 esac
1397
1398 if test "x${CXX_FOR_TARGET+set}" = xset; then
1399   :
1400 elif test -d ${topsrcdir}/gcc; then
1401   CXX_FOR_TARGET='$$r/gcc/`case $$dir in libstdc++-v3) echo xgcc ;; *) echo g++ ;; esac` -B$$r/gcc/ -nostdinc++ '$libstdcxx_flags
1402 elif test "$host" = "$target"; then
1403   CXX_FOR_TARGET='$(CXX)'
1404 else
1405   CXX_FOR_TARGET=`echo c++ | sed -e 's/x/x/' ${program_transform_name}`
1406 fi
1407 case $CXX_FOR_TARGET in
1408 *' $(FLAGS_FOR_TARGET)') ;;
1409 *) CXX_FOR_TARGET=$CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)' ;;
1410 esac
1411 qCXX_FOR_TARGET=`echo "$CXX_FOR_TARGET" | sed 's,[&%],\\\&,g'`
1412
1413 # We want to defer the evaluation of `cmd`s and shell variables in
1414 # CXX_FOR_TARGET when recursing in the top-level Makefile, such as for
1415 # bootstrap.  We'll enclose CXX_FOR_TARGET_FOR_RECURSIVE_MAKE in single
1416 # quotes, but we still have to duplicate `$'s so that shell variables
1417 # can be expanded by the nested make as shell variables, not as make
1418 # macros.
1419 qqCXX_FOR_TARGET=`echo "$qCXX_FOR_TARGET" | sed -e 's,[$][$],$$$$,g'`
1420
1421 targargs="--cache-file=../config.cache --host=${target_alias} --build=${build_alias} ${targargs}"
1422 sed -e "s:^TARGET_CONFIGDIRS[   ]*=.*$:TARGET_CONFIGDIRS = ${target_configdirs}:" \
1423     -e "s%^CONFIG_ARGUMENTS[    ]*=.*$%CONFIG_ARGUMENTS = ${targargs}%" \
1424     -e "s%^FLAGS_FOR_TARGET[    ]*=.*$%FLAGS_FOR_TARGET = ${FLAGS_FOR_TARGET}%" \
1425     -e "s%^CC_FOR_TARGET[       ]*=.*$%CC_FOR_TARGET = ${CC_FOR_TARGET}%" \
1426     -e "s%^CHILL_FOR_TARGET[    ]*=.*$%CHILL_FOR_TARGET = ${CHILL_FOR_TARGET}%" \
1427     -e "s%^CXX_FOR_TARGET[      ]*=.*$%CXX_FOR_TARGET = ${qCXX_FOR_TARGET}%" \
1428     -e "s%^CXX_FOR_TARGET_FOR_RECURSIVE_MAKE[   ]*=.*$%CXX_FOR_TARGET_FOR_RECURSIVE_MAKE = ${qqCXX_FOR_TARGET}%" \
1429     -e "s%^TARGET_SUBDIR[       ]*=.*$%TARGET_SUBDIR = ${target_subdir}%" \
1430     -e "s%^gxx_include_dir[     ]*=.*$%gxx_include_dir=${gxx_include_dir}%" \
1431        Makefile > Makefile.tem
1432 rm -f Makefile
1433 mv -f Makefile.tem Makefile
1434
1435 #
1436 # Local Variables:
1437 # fill-column: 131
1438 # End:
1439 #