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 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     *-*-*)
 325       if test -f ${srcdir}/config/mh-${host_cpu}pic; then
 326         host_makefile_frag="${host_makefile_frag} config/mh-${host_cpu}pic"
 327       fi
 328       ;;
 329   esac
 330 fi
 331
 332 rm -f mh-frag
 333 if [ -n "${host_makefile_frag}" ] ; then
 334   for f in ${host_makefile_frag}
 335   do
 336     cat ${srcdir}/$f >> mh-frag
 337   done
 338   host_makefile_frag=mh-frag
 339 fi
 340
 341 # per-target:
 342
 343 case "${target}" in
 344   v810*)
 345     target_makefile_frag="${target_makefile_frag} config/mt-v810"
 346     ;;
 347   i[3456]86-*-netware*)
 348     target_makefile_frag="${target_makefile_frag} config/mt-netware"
 349     ;;
 350   powerpc-*-netware*)
 351     target_makefile_frag="${target_makefile_frag} config/mt-netware"
 352     ;;
 353   *-*-linux-gnu*)
 354     target_makefile_frag="${target_makefile_frag} config/mt-linux"
 355     ;;
 356   *-*-aix4.[3456789]* | *-*-aix[56789].*)
 357     target_makefile_frag="${target_makefile_frag} config/mt-aix43"
 358     ;;
 359   mips*-*-pe | sh*-*-pe | *arm-wince-pe)
 360     target_makefile_frag="${target_makefile_frag} config/mt-wince"
 361     ;;
 362 esac
 363
 364 # If --enable-target-optspace always use -Os instead of -O2 to build
 365 # the target libraries, similarly if it is not specified, use -Os
 366 # on selected platforms.
 367 case "${enable_target_optspace}:${target}" in
 368   yes:*)
 369     target_makefile_frag="${target_makefile_frag} config/mt-ospace"
 370     ;;
 371   :d30v-*)
 372     target_makefile_frag="${target_makefile_frag} config/mt-d30v"
 373     ;;
 374   :m32r-* | :d10v-* | :fr30-*)
 375     target_makefile_frag="${target_makefile_frag} config/mt-ospace"
 376     ;;
 377   no:* | :*)
 378     ;;
 379   *)
 380     echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
 381     ;;
 382 esac
 383
 384 skipdirs=
 385 gasdir=gas
 386 use_gnu_ld=
 387 use_gnu_as=
 388
 389 # some tools are so dependent upon X11 that if we're not building with X,
 390 # it's not even worth trying to configure, much less build, that tool.
 391
 392 case ${with_x} in
 393   yes | "")  # the default value for this tree is that X11 is available
 394         ;;
 395   no)
 396         skipdirs="${skipdirs} tk libgui gash"
 397         ;;
 398   *)
 399         echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2
 400         ;;
 401 esac
 402
 403 # Some tools are only suitable for building in a "native" situation.
 404 # Those are added when we have a host==target configuration.  For cross
 405 # toolchains, we add some directories that should only be useful in a
 406 # cross-compiler.
 407
 408 is_cross_compiler=
 409
 410 if [ x"${host}" = x"${target}" ] ; then
 411         # when doing a native toolchain, don't build the targets
 412         # that are in the 'cross only' list
 413         skipdirs="${skipdirs} ${cross_only}"
 414         is_cross_compiler=no
 415 else
 416         # similarly, don't build the targets in the 'native only'
 417         # list when building a cross compiler
 418         skipdirs="${skipdirs} ${native_only}"
 419         is_cross_compiler=yes
 420 fi
 421
 422 # We always want to use the same name for this directory, so that dejagnu
 423 # can reliably find it.
 424 target_subdir=${target_alias}
 425
 426 if [ ! -d ${target_subdir} ] ; then
 427   if mkdir ${target_subdir} ; then true
 428   else
 429     echo "'*** could not make ${PWD=`pwd`}/${target_subdir}" 1>&2
 430     exit 1
 431   fi
 432 fi
 433
 434 copy_dirs=
 435
 436 # Handle --with-headers=XXX.  The contents of the named directory are
 437 # copied to $(tooldir)/sys-include.
 438 if [ x"${with_headers}" != x ]; then
 439   if [ x${is_cross_compiler} = xno ]; then
 440     echo 1>&2 '***' --with-headers is only supported when cross compiling
 441     exit 1
 442   fi
 443   case "${exec_prefixoption}" in
 444   "") x=${prefix} ;;
 445   *) x=${exec_prefix} ;;
 446   esac
 447   copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
 448 fi
 449
 450 # Handle --with-libs=XXX.  Multiple directories are permitted.  The
 451 # contents are copied to $(tooldir)/lib.
 452 if [ x"${with_libs}" != x ]; then
 453   if [ x${is_cross_compiler} = xno ]; then
 454     echo 1>&2 '***' --with-libs is only supported when cross compiling
 455     exit 1
 456   fi
 457   # Copy the libraries in reverse order, so that files in the first named
 458   # library override files in subsequent libraries.
 459   case "${exec_prefixoption}" in
 460   "") x=${prefix} ;;
 461   *) x=${exec_prefix} ;;
 462   esac
 463   for l in ${with_libs}; do
 464     copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
 465   done
 466 fi
 467
 468 # If both --with-headers and --with-libs are specified, default to
 469 # --without-newlib.
 470 if [ x"${with_headers}" != x ] && [ x"${with_libs}" != x ]; then
 471   if [ x"${with_newlib}" = x ]; then
 472     with_newlib=no
 473   fi
 474 fi
 475
 476 # Recognize --with-newlib/--without-newlib.
 477 if [ x${with_newlib} = xno ]; then
 478   skipdirs="${skipdirs} target-newlib"
 479 elif [ x${with_newlib} = xyes ]; then
 480   skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
 481 fi
 482
 483 # Default to using --with-stabs for certain targets.
 484 if [ x${with_stabs} = x ]; then
 485   case "${target}" in
 486   mips*-*-irix6*)
 487     ;;
 488   mips*-*-* | alpha*-*-osf*)
 489     with_stabs=yes;
 490     withoptions="${withoptions} --with-stabs"
 491     ;;
 492   esac
 493 fi
 494
 495 # Handle ${copy_dirs}
 496 set fnord ${copy_dirs}
 497 shift
 498 while [ $# != 0 ]; do
 499   if [ -f $2/COPIED ] && [ x"`cat $2/COPIED`" = x"$1" ]; then
 500     :
 501   else
 502     echo Copying $1 to $2
 503
 504     # Use the install script to create the directory and all required
 505     # parent directories.
 506     if [ -d $2 ]; then
 507       :
 508     else
 509       echo >config.temp
 510       ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
 511     fi
 512
 513     # Copy the directory, assuming we have tar.
 514     # FIXME: Should we use B in the second tar?  Not all systems support it.
 515     (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
 516
 517     # It is the responsibility of the user to correctly adjust all
 518     # symlinks.  If somebody can figure out how to handle them correctly
 519     # here, feel free to add the code.
 520
 521     echo $1 > $2/COPIED
 522   fi
 523   shift; shift
 524 done
 525
 526 # Configure extra directories which are host specific
 527
 528 case "${host}" in
 529         i[3456]86-*-go32*)
 530           configdirs="$configdirs dosrel" ;;
 531         i[3456]86-*-mingw32*)
 532           configdirs="$configdirs dosrel" ;;
 533         *-cygwin*)
 534           configdirs="$configdirs libtermcap dosrel" ;;
 535 esac
 536
 537 # Remove more programs from consideration, based on the host or
 538 # target this usually means that a port of the program doesn't
 539 # exist yet.
 540
 541 noconfigdirs=""
 542
 543 case "${host}" in
 544   i[3456]86-*-vsta)
 545     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"
 546     ;;
 547   i[3456]86-*-go32* | i[3456]86-*-msdosdjgpp*)
 548     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"
 549         ;;
 550   i[3456]86-*-mingw32*)
 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"
 552      noconfigdirs="expect dejagnu cvs autoconf automake send-pr rcs guile perl texinfo apache inet libtool"
 553         ;;
 554   i[3456]86-*-beos*)
 555      noconfigdirs="$noconfigdirs tk itcl tix libgui gdb"
 556      ;;
 557   *-*-cygwin*)
 558      noconfigdirs="autoconf automake send-pr rcs guile perl texinfo apache inet"
 559     ;;
 560   *-*-netbsd*)
 561     noconfigdirs="rcs"
 562     ;;
 563   ppc*-*-pe)
 564      noconfigdirs="patch diff make tk tcl expect dejagnu cvssrc autoconf automake texinfo bison send-pr gprof rcs guile perl apache inet itcl tix db snavigator gnuserv"
 565     ;;
 566   powerpc-*-beos*)
 567     noconfigdirs="$noconfigdirs tk itcl tix libgui gdb dejagnu readline"
 568     ;;
 569 esac
 570
 571
 572 case "${target}" in
 573   *-*-netware)
 574     noconfigdirs="$noconfigdirs ${libstdcxx_version} target-newlib target-libiberty target-libgloss target-libffi"
 575     ;;
 576   *-*-rtems*)
 577     noconfigdirs="$noconfigdirs target-libgloss target-libffi"
 578     ;;
 579   *-*-vxworks*)
 580     noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libffi"
 581     ;;
 582   alpha*-dec-osf*)
 583     # ld works, but does not support shared libraries.  emacs doesn't
 584     # work.  newlib is not 64 bit ready.  I'm not sure about fileutils.
 585     # gas doesn't generate exception information.
 586     noconfigdirs="$noconfigdirs gas ld emacs fileutils target-newlib target-libgloss"
 587     ;;
 588   alpha*-*-*vms*)
 589     noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss target-libffi"
 590     ;;
 591   alpha*-*-*)
 592     # newlib is not 64 bit ready
 593     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 594     ;;
 595   sh*-*-pe|mips*-*-pe|*arm-wince-pe)
 596     noconfigdirs="$noconfigdirs target-libjava target-libffi target-zlib"
 597     noconfigdirs="$noconfigdirs target-boehm-gc target-qthreads target-examples"
 598     noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
 599     noconfigdirs="$noconfigdirs tcl tix tk itcl libgui sim"
 600     noconfigdirs="$noconfigdirs expect dejagnu"
 601     # the C++ libraries don't build on top of CE's C libraries
 602     noconfigdirs="$noconfigdirs ${libstdcxx_version}"
 603     skipdirs="$skipdirs target-newlib"
 604     case "${host}" in
 605       *-*-cygwin*) ;; # keep gdb and readline
 606       *) noconfigdirs="$noconfigdirs gdb readline ${libstdcxx_version}"
 607          ;;
 608     esac
 609     ;;
 610   arc-*-*)
 611     noconfigdirs="$noconfigdirs target-libgloss target-libffi"
 612     ;;
 613   arm-*-pe*)
 614     noconfigdirs="$noconfigdirs target-libgloss"
 615     ;;
 616   arm-*-coff*)
 617     noconfigdirs="$noconfigdirs target-libgloss"
 618     if [ x${is_cross_compiler} != xno ] ; then
 619            target_configdirs="${target_configdirs} target-bsp target-cygmon"
 620     fi
 621     ;;
 622   arm-*-elf*)
 623     noconfigdirs="$noconfigdirs target-libgloss"
 624     if [ x${is_cross_compiler} != xno ] ; then
 625            target_configdirs="${target_configdirs} target-bsp target-cygmon"
 626     fi
 627     ;;
 628   arm-*-oabi*)
 629     noconfigdirs="$noconfigdirs target-libgloss target-libffi"
 630     ;;
 631   thumb-*-coff)
 632     noconfigdirs="$noconfigdirs target-libgloss target-libffi"
 633     ;;
 634   thumb-*-elf)
 635     noconfigdirs="$noconfigdirs target-libgloss target-libffi"
 636     ;;
 637   thumb-*-oabi)
 638     noconfigdirs="$noconfigdirs target-libgloss target-libffi"
 639     ;;
 640   strongarm-*-elf)
 641     noconfigdirs="$noconfigdirs target-libgloss target-libffi"
 642     if [ x${is_cross_compiler} != xno ] ; then
 643            target_configdirs="${target_configdirs} target-bsp target-cygmon"
 644     fi
 645     ;;
 646   strongarm-*-coff)
 647     noconfigdirs="$noconfigdirs target-libgloss target-libffi"
 648     if [ x${is_cross_compiler} != xno ] ; then
 649            target_configdirs="${target_configdirs} target-bsp target-cygmon"
 650     fi
 651     ;;
 652   xscale-*-elf)
 653     noconfigdirs="$noconfigdirs target-libgloss target-libffi"
 654     if [ x${is_cross_compiler} != xno ] ; then
 655            target_configdirs="${target_configdirs} target-bsp target-cygmon"
 656     fi
 657     ;;
 658   xscale-*-coff)
 659     noconfigdirs="$noconfigdirs target-libgloss target-libffi"
 660     if [ x${is_cross_compiler} != xno ] ; then
 661            target_configdirs="${target_configdirs} target-bsp target-cygmon"
 662     fi
 663     ;;
 664   thumb-*-pe)
 665     noconfigdirs="$noconfigdirs target-libgloss target-libffi"
 666     ;;
 667   arm-*-riscix*)
 668     noconfigdirs="$noconfigdirs ld target-libgloss target-libffi"
 669     ;;
 670   c4x-*-*)
 671     noconfigdirs="$noconfigdirs ${libstdcxx_version} target-libgloss target-libffi"
 672     ;;
 673   c54x*-*-* | tic54x-*-*)
 674     noconfigdirs="$noconfigdirs ${libstdcxx_version} target-libgloss target-libffi gcc gdb newlib"
 675     ;;
 676   d10v-*-*)
 677     noconfigdirs="$noconfigdirs ${libstdcxx_version} target-libgloss target-libffi"
 678     ;;
 679   d30v-*-*)
 680     ;;
 681   fr30-*-elf*)
 682     if [ x${is_cross_compiler} != xno ] ; then
 683            target_configdirs="${target_configdirs} target-bsp target-libstub target-cygmon"
 684     fi
 685     ;;
 686   h8300*-*-* | \
 687   h8500-*-*)
 688     noconfigdirs="$noconfigdirs ${libstdcxx_version} target-libgloss target-libffi"
 689     ;;
 690   hppa*-*-*elf* | \
 691   hppa*-*-linux-gnu* | \
 692   hppa*-*-lites* | \
 693   hppa*64*-*-*)
 694     # Do configure ld/binutils/gas for this case.
 695     ;;
 696   hppa*-*-*)
 697     # HP's C compiler doesn't handle Emacs correctly (but on BSD and Mach
 698     # cc is gcc, and on any system a user should be able to link cc to
 699     # whatever they want.  FIXME, emacs emacs19).
 700     case "${CC}" in
 701         "" | cc*) noconfigdirs="$noconfigdirs emacs emacs19" ;;
 702         *) ;;
 703     esac
 704     noconfigdirs="$noconfigdirs ld shellutils"
 705     ;;
 706   ia64*-*-elf*)
 707     # No gdb support yet.
 708     noconfigdirs="$noconfigdirs tix readline mmalloc libgui itcl gdb"
 709     ;;
 710   i[3456]86-*-coff | i[3456]86-*-elf)
 711     if [ x${is_cross_compiler} != xno ] ; then
 712          target_configdirs="${target_configdirs} target-libstub target-cygmon"
 713     fi
 714     ;;
 715   i[3456]86-*-go32* | i[3456]-*-msdosdjgpp*)
 716     # but don't build gdb
 717     noconfigdirs="$noconfigdirs gdb ${libstdcxx_version} target-libffi"
 718     ;;
 719   i[3456]86-*-mingw32*)
 720     target_configdirs="$target_configdirs target-mingw"
 721     noconfigdirs="$noconfigdirs expect target-libgloss target-libffi"
 722
 723     # Can't build gdb for mingw32 if not native.
 724     case "${host}" in
 725       i[3456]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
 726       *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix db snavigator gnuserv"
 727          ;;
 728     esac
 729     ;;
 730   *-*-cygwin*)
 731     target_configdirs="$target_configdirs target-libtermcap target-winsup"
 732     noconfigdirs="$noconfigdirs target-gperf target-libgloss target-libffi"
 733     # always build newlib.
 734     skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
 735
 736     # Can't build gdb for Cygwin if not native.
 737     case "${host}" in
 738       *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
 739       *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix libgui db snavigator gnuserv"
 740          ;;
 741     esac
 742     ;;
 743   i[3456]86-*-pe)
 744     noconfigdirs="$noconfigdirs ${libstdcxx_version} target-libgloss target-libffi"
 745     ;;
 746   i[3456]86-*-sco3.2v5*)
 747     # The linker does not yet know about weak symbols in COFF,
 748     # and is not configured to handle mixed ELF and COFF.
 749     noconfigdirs="$noconfigdirs ld target-libgloss target-libffi"
 750     ;;
 751   i[3456]86-*-sco*)
 752     noconfigdirs="$noconfigdirs gprof target-libgloss target-libffi"
 753     ;;
 754   i[3456]86-*-solaris2*)
 755     noconfigdirs="$noconfigdirs target-libgloss"
 756     ;;
 757   i[3456]86-*-sysv4*)
 758     # The SYSV4 C compiler doesn't handle Emacs correctly
 759     case "${CC}" in
 760         "" | cc*) noconfigdirs="$noconfigdirs emacs emacs19" ;;
 761         *) ;;
 762     esac
 763     # but that's okay since emacs doesn't work anyway
 764     noconfigdirs="$noconfigdirs emacs emacs19 target-libgloss target-libffi"
 765     ;;
 766   i[3456]86-*-beos*)
 767      noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
 768      ;;
 769  m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
 770     noconfigdirs="$noconfigdirs target-libiberty target-librx target-libg++ target-libstdc++ target-libio target-libf2c target-libchill target-zlib target-libobjc"
 771     ;;
 772  m68k-*-elf*)
 773     if [ x${is_cross_compiler} != xno ] ; then
 774            target_configdirs="${target_configdirs} target-bsp target-cygmon"
 775     fi
 776     ;;
 777   m68k-*-coff*)
 778     if [ x${is_cross_compiler} != xno ] ; then
 779            target_configdirs="${target_configdirs} target-bsp target-cygmon"
 780     fi
 781     ;;
 782   mn10200-*-*)
 783     noconfigdirs="$noconfigdirs target-libffi"
 784     if [ x${is_cross_compiler} != xno ] ; then
 785            target_configdirs="${target_configdirs} target-libstub target-cygmon"
 786     fi
 787     ;;
 788   mn10300-*-*)
 789     noconfigdirs="$noconfigdirs target-libffi"
 790     if [ x${is_cross_compiler} != xno ] ; then
 791            target_configdirs="${target_configdirs} target-bsp target-libstub target-cygmon"
 792     fi
 793     ;;
 794   powerpc-*-aix*)
 795     # copied from rs6000-*-* entry
 796     # The configure and build of ld are currently disabled because
 797     # GNU ld is known to be broken for AIX 4.2 and 4.3 (at least)
 798     # The symptom is that GDBtk 4.18 fails at startup with a segfault
 799     # if linked by GNU ld, but not if linked by the native ld.
 800     noconfigdirs="$noconfigdirs gprof cvssrc target-libgloss target-libffi ld"
 801     use_gnu_ld=no
 802     ;;
 803   powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
 804     target_configdirs="$target_configdirs target-winsup"
 805     noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl tix db snavigator gnuserv target-libffi"
 806     # always build newlib.
 807     skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
 808     ;;
 809     # This is temporary until we can link against shared libraries
 810   powerpcle-*-solaris*)
 811     noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl tix db snavigator gnuserv target-libffi"
 812     ;;
 813   powerpc-*-beos*)
 814     noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
 815     ;;
 816   powerpc-*-eabi)
 817     if [ x${is_cross_compiler} != xno ] ; then
 818            target_configdirs="${target_configdirs} target-bsp target-libstub target-cygmon"
 819     fi
 820     ;;
 821   rs6000-*-lynxos*)
 822     # The CVS server code doesn't work on the RS/6000
 823     noconfigdirs="$noconfigdirs target-newlib gprof cvssrc target-libffi"
 824     ;;
 825   rs6000-*-aix*)
 826     # The configure and build of ld are currently disabled because
 827     # GNU ld is known to be broken for AIX 4.2 and 4.3 (at least)
 828     # The symptom is that GDBtk 4.18 fails at startup with a segfault
 829     # if linked by GNU ld, but not if linked by the native ld.
 830     noconfigdirs="$noconfigdirs gprof target-libffi ld"
 831     use_gnu_ld=no
 832     ;;
 833   rs6000-*-*)
 834     noconfigdirs="$noconfigdirs gprof target-libffi"
 835     ;;
 836   m68k-apollo-*)
 837     noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss target-libffi"
 838     ;;
 839   mips*-*-irix5*)
 840     # The GNU linker does not support shared libraries.
 841     # emacs is emacs 18, which does not work on Irix 5 (emacs19 does work)
 842     noconfigdirs="$noconfigdirs ld gprof emacs target-libgloss"
 843     ;;
 844   mips*-*-irix6*)
 845     # The GNU assembler does not support IRIX 6.
 846     # emacs is emacs 18, which does not work on Irix 5 (emacs19 does work)
 847     noconfigdirs="$noconfigdirs gas gprof emacs target-libgloss"
 848     ;;
 849   mips*-dec-bsd*)
 850     noconfigdirs="$noconfigdirs gprof target-libgloss target-libffi"
 851     ;;
 852   mips*-*-bsd*)
 853     noconfigdirs="$noconfigdirs gprof target-libgloss target-libffi"
 854     ;;
 855   mipstx39-*-*)
 856     noconfigdirs="$noconfigdirs gprof target-libffi"   # same as generic mips
 857     target_configdirs="${target_configdirs} target-bsp target-libstub target-cygmon"
 858    ;;
 859   mips*-*-*)
 860     noconfigdirs="$noconfigdirs gprof target-libffi"
 861     ;;
 862   romp-*-*)
 863     noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss target-libffi"
 864     ;;
 865   sh-*-*)
 866     case "${host}" in
 867       i[3456]86-*-vsta) ;; # don't add gprof back in
 868       i[3456]86-*-go32*) ;; # don't add gprof back in
 869       i[3456]86-*-msdosdjgpp*) ;; # don't add gprof back in
 870       *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
 871     esac
 872     noconfigdirs="$noconfigdirs target-libgloss target-libffi"
 873     ;;
 874   sparc-*-elf*)
 875     if [ x${is_cross_compiler} != xno ] ; then
 876            target_configdirs="${target_configdirs} target-libstub target-cygmon"
 877     fi
 878     ;;
 879   sparc64-*-elf*)
 880     if [ x${is_cross_compiler} != xno ] ; then
 881            target_configdirs="${target_configdirs} target-libstub target-cygmon"
 882     fi
 883     noconfigdirs="target-libffi"
 884     ;;
 885   sparclite-*-*)
 886     if [ x${is_cross_compiler} != xno ] ; then
 887            target_configdirs="${target_configdirs} target-bsp target-libstub target-cygmon"
 888     fi
 889     noconfigdirs="target-libffi"
 890     ;;
 891   sparc-*-sunos4*)
 892     if [ x${is_cross_compiler} != xno ] ; then
 893            noconfigdirs="$noconfigdirs gdb gdbtest target-newlib target-libgloss"
 894     else
 895            use_gnu_ld=no
 896     fi
 897     ;;
 898   v810-*-*)
 899     noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld ${libstdcxx_version} opcodes target-libgloss target-libffi"
 900     ;;
 901   v850-*-*)
 902     noconfigdirs="$noconfigdirs target-libgloss target-libffi"
 903     ;;
 904   v850e-*-*)
 905     noconfigdirs="$noconfigdirs target-libgloss target-libffi"
 906     ;;
 907   v850ea-*-*)
 908     noconfigdirs="$noconfigdirs target-libgloss target-libffi"
 909     ;;
 910   vax-*-vms)
 911     noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss target-libffi"
 912     ;;
 913   vax-*-*)
 914     noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libffi"
 915     ;;
 916   *-*-lynxos*)
 917     noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libffi"
 918     ;;
 919   *-*-macos* | \
 920   *-*-mpw*)
 921     # Macs want a resource compiler.
 922     configdirs="$configdirs grez"
 923     noconfigdirs="target-libffi"
 924     ;;
 925 esac
 926
 927 # If we aren't building newlib, then don't build libgloss, since libgloss
 928 # depends upon some newlib header files.
 929 case "${noconfigdirs}" in
 930   *target-libgloss*) ;;
 931   *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
 932 esac
 933
 934 # Make sure we don't let GNU ld be added if we didn't want it.
 935 if [ x$with_gnu_ld = xno ]; then
 936   use_gnu_ld=no
 937   noconfigdirs="$noconfigdirs ld"
 938 fi
 939
 940 # Make sure we don't let GNU as be added if we didn't want it.
 941 if [ x$with_gnu_as = xno ]; then
 942   use_gnu_as=no
 943   noconfigdirs="$noconfigdirs gas"
 944 fi
 945
 946 # Figure out what language subdirectories are present.
 947 # Look if the user specified --enable-languages="..."; if not, use
 948 # the environment variable $LANGUAGES if defined. $LANGUAGES might
 949 # go away some day.
 950 if test x"${enable_languages+set}" != xset; then
 951         if test x"${LANGUAGES+set}" = xset; then
 952                 enable_languages="`echo ${LANGUAGES} | tr ' ' ','`"
 953         else
 954                 enable_languages=all
 955         fi
 956 else
 957         if test x"${enable_languages}" = x; then
 958                 echo configure.in: --enable-languages needs at least one argument 1>&2
 959                 exit 1
 960         fi
 961 fi
 962 subdirs=
 963 for lang in ${srcdir}/gcc/*/config-lang.in ..
 964 do
 965         case $lang in
 966         ..) ;;
 967         # The odd quoting in the next line works around
 968         # an apparent bug in bash 1.12 on linux.
 969         ${srcdir}/gcc/[*]/config-lang.in) ;;
 970         *)
 971           lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^   ]*\).*$,\1,p' $lang`
 972           this_lang_libs=`sed -n -e 's,^target_libs=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^target_libs=\([^         ]*\).*$,\1,p' $lang`
 973           build_by_default=`sed -n -e 's,^build_by_default=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^build_by_default=\([^     ]*\).*$,\1,p' $lang`
 974           if test "x$lang_alias" = x
 975           then
 976                 echo "$lang doesn't set \$language." 1>&2
 977                 exit 1
 978           fi
 979           case ${build_by_default},${enable_languages}, in
 980           *,$lang_alias,*) add_this_lang=yes ;;
 981           no,*) add_this_lang=no ;;
 982           *,all,*) add_this_lang=yes ;;
 983           *) add_this_lang=no ;;
 984           esac
 985           if test x"${add_this_lang}" = xyes; then
 986               eval target_libs='"$target_libs "'\"$this_lang_libs\"
 987           else
 988               eval noconfigdirs='"$noconfigdirs "'\"$this_lang_libs\"
 989           fi
 990           ;;
 991         esac
 992 done
 993
 994
 995 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs and
 996 # $target_configdirs.
 997 # If we have the source for $noconfigdirs entries, add them to $notsupp.
 998
 999 notsupp=""
1000 for dir in . $skipdirs $noconfigdirs ; do
1001   dirname=`echo $dir | sed -e s/target-//g`
1002   if [ $dir != . ]  && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1003     configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1004     if [ -r $srcdir/$dirname/configure ] \
1005         || [ -r $srcdir/$dirname/configure.in ]; then
1006       if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1007         true
1008       else
1009         notsupp="$notsupp $dir"
1010       fi
1011     fi
1012   fi
1013   if [ $dir != . ]  && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1014     target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1015     if [ -r $srcdir/$dirname/configure ] \
1016         || [ -r $srcdir/$dirname/configure.in ]; then
1017       if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1018         true
1019       else
1020         notsupp="$notsupp $dir"
1021       fi
1022     fi
1023   fi
1024 done
1025
1026 # Sometimes the tools are distributed with libiberty but with no other
1027 # libraries.  In that case, we don't want to build target-libiberty.
1028 if [ -n "${target_configdirs}" ]; then
1029   others=
1030   for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1031     if [ "$i" != "libiberty" ]; then
1032       if [ -r $srcdir/$i/configure ] || [ -r $srcdir/$i/configure.in ]; then
1033         others=yes;
1034         break;
1035       fi
1036     fi
1037   done
1038   if [ -z "${others}" ]; then
1039     target_configdirs=
1040   fi
1041 fi
1042
1043 # Deconfigure all subdirectories, in case we are changing the
1044 # configuration from one where a subdirectory is supported to one where it
1045 # is not.
1046 if [ -z "${norecursion}" ] && [ -n "${configdirs}" ]; then
1047   for i in `echo ${configdirs} | sed -e s/target-//g` ; do
1048     rm -f $i/Makefile
1049   done
1050 fi
1051 if [ -z "${norecursion}" ] && [ -n "${target_configdirs}" ]; then
1052   for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1053     rm -f ${target_subdir}/$i/Makefile
1054   done
1055 fi
1056
1057 # Produce a warning message for the subdirs we can't configure.
1058 # This isn't especially interesting in the Cygnus tree, but in the individual
1059 # FSF releases, it's important to let people know when their machine isn't
1060 # supported by the one or two programs in a package.
1061
1062 if [ -n "${notsupp}" ] && [ -z "${norecursion}" ]; then
1063   # If $appdirs is non-empty, at least one of those directories must still
1064   # be configured, or we error out.  (E.g., if the gas release supports a
1065   # specified target in some subdirs but not the gas subdir, we shouldn't
1066   # pretend that all is well.)
1067   if [ -n "$appdirs" ]; then
1068     for dir in $appdirs ; do
1069       if [ -r $dir/Makefile.in ]; then
1070         if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1071           appdirs=""
1072           break
1073         fi
1074         if echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1075           appdirs=""
1076           break
1077         fi
1078       fi
1079     done
1080     if [ -n "$appdirs" ]; then
1081       echo "*** This configuration is not supported by this package." 1>&2
1082       exit 1
1083     fi
1084   fi
1085   # Okay, some application will build, or we don't care to check.  Still
1086   # notify of subdirs not getting built.
1087   echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1088   echo "    ${notsupp}" 1>&2
1089   echo "    (Any other directories should still work fine.)" 1>&2
1090 fi
1091
1092 # Set with_gnu_as and with_gnu_ld as appropriate.
1093 #
1094 # This is done by determining whether or not the appropriate directory
1095 # is available, and by checking whether or not specific configurations
1096 # have requested that this magic not happen.
1097 #
1098 # The command line options always override the explicit settings in
1099 # configure.in, and the settings in configure.in override this magic.
1100 #
1101 # If the default for a toolchain is to use GNU as and ld, and you don't
1102 # want to do that, then you should use the --without-gnu-as and
1103 # --without-gnu-ld options for the configure script.
1104
1105 if [ x${use_gnu_as} = x ] ; then
1106   if [ x${with_gnu_as} != xno ] && echo " ${configdirs} " | grep " ${gasdir} " > /dev/null 2>&1 && [ -d ${srcdir}/${gasdir} ] ; then
1107     with_gnu_as=yes
1108     withoptions="$withoptions --with-gnu-as"
1109   fi
1110 fi
1111
1112 if [ x${use_gnu_ld} = x ] ; then
1113   if [ x${with_gnu_ld} != xno ] && echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 && [ -d ${srcdir}/ld ] ; then
1114     with_gnu_ld=yes
1115     withoptions="$withoptions --with-gnu-ld"
1116   fi
1117 fi
1118
1119 # If using newlib, add --with-newlib to the withoptions so that gcc/configure
1120 # can detect this case.
1121
1122 if [ x${with_newlib} != xno ] && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 && [ -d ${srcdir}/newlib ] ; then
1123   with_newlib=yes
1124   withoptions="$withoptions --with-newlib"
1125 fi
1126
1127 if [ x${shared} = xyes ]; then
1128   case "${target}" in
1129     hppa*)
1130       target_makefile_frag="${target_makefile_frag} config/mt-papic"
1131       ;;
1132     i[3456]86-*)
1133       target_makefile_frag="${target_makefile_frag} config/mt-x86pic"
1134       ;;
1135     ia64-*)
1136       target_makefile_frag="${target_makefile_frag} config/mt-ia64pic"
1137       ;;
1138     powerpc*-*-aix*)
1139       # We don't want -fPIC on AIX.
1140       ;;
1141     powerpc*-*)
1142       target_makefile_frag="${target_makefile_frag} config/mt-ppcpic"
1143       ;;
1144     alpha*-*-linux*)
1145       target_makefile_frag="${target_makefile_frag} config/mt-elfalphapic"
1146       ;;
1147     *)
1148       if test -f ${srcdir}/config/mt-${target_cpu}pic; then
1149         target_makefile_frag="${target_makefile_frag} config/mt-${target_cpu}pic"
1150       fi
1151       ;;
1152   esac
1153 fi
1154
1155 rm -f mt-frag
1156 if [ -n "${target_makefile_frag}" ] ; then
1157   for f in ${target_makefile_frag}
1158   do
1159     cat ${srcdir}/$f >> mt-frag
1160   done
1161   target_makefile_frag=mt-frag
1162 fi
1163
1164 # post-target:
1165
1166 # Make sure that the compiler is able to generate an executable.  If it
1167 # can't, we are probably in trouble.  We don't care whether we can run the
1168 # executable--we might be using a cross compiler--we only care whether it
1169 # can be created.  At this point the main configure script has set CC.
1170 echo "int main () { return 0; }" > conftest.c
1171 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1172 if [ $? = 0 ] && [ -s conftest -o -s conftest.exe ]; then
1173   :
1174 else
1175   echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1176   echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1177   rm -f conftest*
1178   exit 1
1179 fi
1180 rm -f conftest*
1181
1182 # The Solaris /usr/ucb/cc compiler does not appear to work.
1183 case "${host}" in
1184   sparc-sun-solaris2*)
1185       CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1186       if [ "`/usr/bin/which $CCBASE`" = "/usr/ucb/cc" ] ; then
1187           could_use=
1188           [ -d /opt/SUNWspro/bin ] && could_use="/opt/SUNWspro/bin"
1189           if [ -d /opt/cygnus/bin ] ; then
1190               if [ "$could_use" = "" ] ; then
1191                   could_use="/opt/cygnus/bin"
1192               else
1193                   could_use="$could_use or /opt/cygnus/bin"
1194               fi
1195           fi
1196         if [ "$could_use" = "" ] ; then
1197             echo "Warning: compilation may fail because you're using"
1198             echo "/usr/ucb/cc.  You should change your PATH or CC "
1199             echo "variable and rerun configure."
1200         else
1201             echo "Warning: compilation may fail because you're using"
1202             echo "/usr/ucb/cc, when you should use the C compiler from"
1203             echo "$could_use.  You should change your"
1204             echo "PATH or CC variable and rerun configure."
1205         fi
1206       fi
1207   ;;
1208 esac
1209
1210 # If --enable-shared was set, we must set LD_LIBRARY_PATH so that the
1211 # binutils tools will find libbfd.so.
1212 if [ "${shared}" = "yes" ]; then
1213   sed -e 's/^SET_LIB_PATH[      ]*=.*$/SET_LIB_PATH = $(REALLY_SET_LIB_PATH)/' \
1214       Makefile > Makefile.tem
1215   rm -f Makefile
1216   mv -f Makefile.tem Makefile
1217
1218   case "${host}" in
1219   *-*-hpux*)
1220     sed -e 's/^RPATH_ENVVAR[    ]*=.*$/RPATH_ENVVAR = SHLIB_PATH/' \
1221         Makefile > Makefile.tem
1222     rm -f Makefile
1223     mv -f Makefile.tem Makefile
1224     ;;
1225   esac
1226 fi
1227
1228 # Record target_configdirs and the configure arguments in Makefile.
1229 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1230 targargs=`echo "${arguments}" | \
1231         sed -e 's/--no[^        ]*//' \
1232             -e 's/--cache[a-z-]*=[^     ]*//' \
1233             -e 's/--ho[a-z-]*=[^        ]*//' \
1234             -e 's/--bu[a-z-]*=[^        ]*//' \
1235             -e 's/--ta[a-z-]*=[^        ]*//'`
1236
1237 # Passing a --with-cross-host argument lets the target libraries know
1238 # whether they are being built with a cross-compiler or being built
1239 # native.  However, it would be better to use other mechanisms to make the
1240 # sorts of decisions they want to make on this basis.  Please consider
1241 # this option to be deprecated.  FIXME.
1242 if [ x${is_cross_compiler} = xyes ]; then
1243   targargs="--with-cross-host=${host_alias} ${targargs}"
1244 fi
1245
1246 # Default to --enable-multilib.
1247 if [ x${enable_multilib} = x ]; then
1248   targargs="--enable-multilib ${targargs}"
1249 fi
1250
1251 # Pass --with-newlib if appropriate.  Note that target_configdirs has
1252 # changed from the earlier setting of with_newlib.
1253 if [ x${with_newlib} != xno ] && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && [ -d ${srcdir}/newlib ] ; then
1254   targargs="--with-newlib ${targargs}"
1255 fi
1256
1257 # provide a proper gxx_include_dir.
1258 # Note, if you change the default, make sure to fix both here and in
1259 # the gcc, libio, and libstdc++ subdirectories.
1260 # Check whether --with-gxx-include-dir or --without-gxx-include-dir was given.
1261 gxx_include_dir=
1262 if test -n "${with_gxx_include_dir}"; then
1263   case "${with_gxx_include_dir}" in
1264     yes )
1265       echo "configure.in: error: bad value ${withval} given for g++ include directory" 1>&2
1266       exit 1
1267       ;;
1268     no )
1269       ;;
1270     * )
1271       gxx_include_dir=${with_gxx_include_dir}
1272       ;;
1273   esac
1274 fi
1275 if test x${gxx_include_dir} = x; then
1276   if test x${enable_version_specific_runtime_libs} = xyes; then
1277     gxx_include_dir='${libsubdir}/include/g++'
1278   else
1279     . ${topsrcdir}/config.if
1280     gxx_include_dir='${prefix}/include/g++'-${libstdcxx_interface}
1281   fi
1282 else
1283   gxx_include_dir=${gxx_include_dir}
1284 fi
1285
1286 FLAGS_FOR_TARGET=
1287 case " $skipdirs " in
1288 *" target-newlib "*) ;;
1289 *)
1290    case "$target" in
1291    *-cygwin*)
1292      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' ;;
1293    esac
1294
1295    # If we're not building GCC, don't discard standard headers.
1296    if test -d ${topsrcdir}/gcc; then
1297      FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
1298
1299      if test "${build}" != "${host}"; then
1300        # On Canadian crosses, CC_FOR_TARGET will have already been set
1301        # by `configure', so we won't have an opportunity to add -Bgcc/
1302        # to it.  This is right: we don't want to search that directory
1303        # for binaries, but we want the header files in there, so add
1304        # them explicitly.
1305        FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/gcc/include'
1306
1307        # Someone might think of using the pre-installed headers on
1308        # Canadian crosses, in case the installed compiler is not fully
1309        # compatible with the compiler being built.  In this case, it
1310        # would be better to flag an error than risking having
1311        # incompatible object files being constructed.  We can't
1312        # guarantee that an error will be flagged, but let's hope the
1313        # compiler will do it, when presented with incompatible header
1314        # files.
1315      fi
1316    fi
1317
1318    # If we're building newlib, use its generic headers last, but search
1319    # for any libc-related directories first (so make it the last -B
1320    # switch).
1321    FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
1322    ;;
1323 esac
1324
1325 # On Canadian crosses, we'll be searching the right directories for
1326 # the previously-installed cross compiler, so don't bother to add
1327 # flags for directories within the install tree of the compiler
1328 # being built; programs in there won't even run.
1329 if test "${build}" = "${host}" && test -d ${topsrcdir}/gcc; then
1330   # Search for pre-installed headers if nothing else fits.
1331   FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include'
1332 fi
1333
1334 if test "x${use_gnu_ld}" = x && test "x${with_gnu_ld}" != xno &&
1335    echo " ${configdirs} " | grep " ld " > /dev/null &&
1336    test -d ${srcdir}/ld; then
1337   # Arrange for us to find uninstalled linker scripts.
1338   FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/ld'
1339 fi
1340
1341 if test "x${CC_FOR_TARGET+set}" = xset; then
1342   :
1343 elif test -d ${topsrcdir}/gcc; then
1344   CC_FOR_TARGET='$$r/gcc/xgcc -B$$r/gcc/'
1345 elif test "$host" = "$target"; then
1346   CC_FOR_TARGET='$(CC)'
1347 else
1348   CC_FOR_TARGET=`echo gcc | sed -e 's/x/x/' ${program_transform_name}`
1349 fi
1350 # On Canadian crosses, configure reads CC_FOR_TARGET from Makefile,
1351 # if Makefile exists.  Prevent $(FLAGS_FOR_TARGET) from being duplicated.
1352 case $CC_FOR_TARGET in
1353 *' $(FLAGS_FOR_TARGET)') ;;
1354 *) CC_FOR_TARGET=$CC_FOR_TARGET' $(FLAGS_FOR_TARGET)' ;;
1355 esac
1356
1357 if test "x${CHILL_FOR_TARGET+set}" = xset; then
1358   :
1359 elif test -d ${topsrcdir}/gcc; then
1360   CHILL_FOR_TARGET='$$r/gcc/xgcc -B$$r/gcc/ -L$$r/gcc/ch/runtime/'
1361 elif test "$host" = "$target"; then
1362   CHILL_FOR_TARGET='$(CC)'
1363 else
1364   CHILL_FOR_TARGET=`echo gcc | sed -e 's/x/x/' ${program_transform_name}`
1365 fi
1366 case $CHILL_FOR_TARGET in
1367 *' $(FLAGS_FOR_TARGET)') ;;
1368 *) CHILL_FOR_TARGET=$CHILL_FOR_TARGET' $(FLAGS_FOR_TARGET)' ;;
1369 esac
1370
1371 if test "x${CXX_FOR_TARGET+set}" = xset; then
1372   :
1373 elif test -d ${topsrcdir}/gcc; then
1374   CXX_FOR_TARGET='$$r/gcc/g++ -B$$r/gcc/ -nostdinc++ '$libstdcxx_flags
1375 elif test "$host" = "$target"; then
1376   CXX_FOR_TARGET='$(CXX)'
1377 else
1378   CXX_FOR_TARGET=`echo c++ | sed -e 's/x/x/' ${program_transform_name}`
1379 fi
1380 case $CXX_FOR_TARGET in
1381 *' $(FLAGS_FOR_TARGET)') ;;
1382 *) CXX_FOR_TARGET=$CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)' ;;
1383 esac
1384 qCXX_FOR_TARGET=`echo "$CXX_FOR_TARGET" | sed 's,&,\\\&,g'`
1385
1386 targargs="--cache-file=../config.cache --host=${target_alias} --build=${build_alias} ${targargs}"
1387 sed -e "s:^TARGET_CONFIGDIRS[   ]*=.*$:TARGET_CONFIGDIRS = ${target_configdirs}:" \
1388     -e "s%^CONFIG_ARGUMENTS[    ]*=.*$%CONFIG_ARGUMENTS = ${targargs}%" \
1389     -e "s%^FLAGS_FOR_TARGET[    ]*=.*$%FLAGS_FOR_TARGET = ${FLAGS_FOR_TARGET}%" \
1390     -e "s%^CC_FOR_TARGET[       ]*=.*$%CC_FOR_TARGET = ${CC_FOR_TARGET}%" \
1391     -e "s%^CHILL_FOR_TARGET[    ]*=.*$%CHILL_FOR_TARGET = ${CHILL_FOR_TARGET}%" \
1392     -e "s%^CXX_FOR_TARGET[      ]*=.*$%CXX_FOR_TARGET = ${qCXX_FOR_TARGET}%" \
1393     -e "s%^TARGET_SUBDIR[       ]*=.*$%TARGET_SUBDIR = ${target_subdir}%" \
1394     -e "s%^gxx_include_dir[     ]*=.*$%gxx_include_dir=${gxx_include_dir}%" \
1395        Makefile > Makefile.tem
1396 rm -f Makefile
1397 mv -f Makefile.tem Makefile
1398
1399 #
1400 # Local Variables:
1401 # fill-column: 131
1402 # End:
1403 #