configure.in

   1 #! /bin/bash
   2 ##############################################################################
   3
   4 ## This file is a shell script fragment that supplies the information
   5 ## necessary to tailor a template configure script into the configure
   6 ## script appropriate for this directory.  For more information, check
   7 ## any existing configure script.
   8
   9 ## Be warned, there are two types of configure.in files.  There are those
  10 ## used by Autoconf, which are macros which are expanded into a configure
  11 ## script by autoconf.  The other sort, of which this is one, is executed
  12 ## by Cygnus configure.
  13
  14 ## For more information on these two systems, check out the documentation
  15 ## for 'Autoconf' (autoconf.texi) and 'Configure' (configure.texi).
  16
  17 #   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998,
  18 #   1999, 2000 Free Software Foundation, Inc.
  19 #
  20 # This file is free software; you can redistribute it and/or modify it
  21 # under the terms of the GNU General Public License as published by
  22 # the Free Software Foundation; either version 2 of the License, or
  23 # (at your option) any later version.
  24 #
  25 # This program is distributed in the hope that it will be useful, but
  26 # WITHOUT ANY WARRANTY; without even the implied warranty of
  27 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  28 # General Public License for more details.
  29 #
  30 # You should have received a copy of the GNU General Public License
  31 # along with this program; if not, write to the Free Software
  32 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  33
  34 ##############################################################################
  35
  36 ### To add a new directory to the tree, first choose whether it is a target
  37 ### or a host dependent tool.  Then put it into the appropriate list
  38 ### (library or tools, host or target), doing a dependency sort.  For
  39 ### example, gdb requires that byacc (or bison) be built first, so it is in
  40 ### the ${host_tools} list after byacc and bison.
  41
  42
  43 # these libraries are used by various programs built for the host environment
  44 #
  45 host_libs="intl mmalloc libiberty opcodes bfd readline gash db tcl tk tcl8.1 tk8.1 tclX itcl tix libgui zlib"
  46
  47 if [ "${enable_gdbgui}" = "yes" ] ; then
  48         host_libs="${host_libs} libgui"
  49 fi
  50
  51 libstdcxx_version="target-libstdc++-v3"
  52 # Don't use libstdc++-v3's flags to configure/build itself.
  53 libstdcxx_flags='`case $$dir in libstdc++-v3) ;; *) cat $$r/$(TARGET_SUBDIR)/libstdc++-v3/src/libstdc++.INC 2>/dev/null || : ;; esac` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
  54
  55 # these tools are built for the host environment
  56 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
  57 # know that we are building the simulator.
  58 host_tools="texinfo byacc flex bison binutils ld gas gcc sim gdb make patch prms send-pr gprof gdbtest tgas etc expect dejagnu ash bash bzip2 m4 autoconf automake libtool ispell grep diff rcs cvssrc fileutils shellutils time textutils wdiff find emacs emacs19 uudecode hello tar gzip indent recode release sed utils guile perl apache inet gawk findutils snavigator libtool gettext zip fastjar"
  59
  60 # libgcj represents the runtime libraries only used by gcj.
  61 libgcj="target-libffi \
  62         target-boehm-gc \
  63         target-zlib \
  64         target-qthreads \
  65         target-libjava"
  66
  67 # these libraries are built for the target environment, and are built after
  68 # the host libraries and the host tools (which may be a cross compiler)
  69 #
  70 target_libs="target-libiberty \
  71                 target-libgloss \
  72                 target-newlib \
  73                 target-librx \
  74                 ${libstdcxx_version} \
  75                 target-libf2c \
  76                 target-libchill \
  77                 ${libgcj}
  78                 target-libobjc"
  79
  80 # these tools are built using the target libs, and are intended to run only
  81 # in the target environment
  82 #
  83 # note: any program that *uses* libraries that are in the "target_libs"
  84 # list belongs in this list.  those programs are also very likely
  85 # candidates for the "native_only" list which follows
  86 #
  87 target_tools="target-examples target-groff target-gperf"
  88
  89 ################################################################################
  90
  91 ## These two lists are of directories that are to be removed from the
  92 ## ${configdirs} list for either cross-compilations or for native-
  93 ## compilations.  For example, it doesn't make that much sense to
  94 ## cross-compile Emacs, nor is it terribly useful to compile target-libiberty in
  95 ## a native environment.
  96
  97 # directories to be built in the native environment only
  98 #
  99 # This must be a single line because of the way it is searched by grep in
 100 # the code below.
 101 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"
 102
 103 # directories to be built in a cross environment only
 104 #
 105 cross_only="target-libgloss target-newlib target-cygmon target-opcodes target-libstub"
 106
 107 ## All tools belong in one of the four categories, and are assigned above
 108 ## We assign ${configdirs} this way to remove all embedded newlines.  This
 109 ## is important because configure will choke if they ever get through.
 110 ## ${configdirs} is directories we build using the host tools.
 111 ## ${target_configdirs} is directories we build using the target tools.
 112 #
 113 configdirs=`echo ${host_libs} ${host_tools}`
 114 target_configdirs=`echo ${target_libs} ${target_tools}`
 115
 116 ################################################################################
 117
 118 srctrigger=move-if-change
 119 srcname="gnu development package"
 120
 121 # This gets set non-empty for some net releases of packages.
 122 appdirs=""
 123
 124 # per-host:
 125
 126 # Work in distributions that contain no compiler tools, like Autoconf.
 127 if [ -d ${srcdir}/config ]; then
 128 case "${host}" in
 129   m68k-hp-hpux*)
 130     host_makefile_frag="${host_makefile_frag} config/mh-hp300"
 131     ;;
 132   m68k-apollo-sysv*)
 133     host_makefile_frag="${host_makefile_frag} config/mh-apollo68"
 134     ;;
 135   m68k-apollo-bsd*)
 136     host_makefile_frag="${host_makefile_frag} config/mh-a68bsd"
 137     ;;
 138   m88k-dg-dgux*)
 139     host_makefile_frag="${host_makefile_frag} config/mh-dgux"
 140     ;;
 141   m88k-harris-cxux*)
 142     host_makefile_frag="${host_makefile_frag} config/mh-cxux"
 143     ;;
 144   m88k-motorola-sysv*)
 145     host_makefile_frag="${host_makefile_frag} config/mh-delta88"
 146     ;;
 147   mips*-dec-ultrix*)
 148     host_makefile_frag="${host_makefile_frag} config/mh-decstation"
 149     ;;
 150   mips*-nec-sysv4*)
 151     host_makefile_frag="${host_makefile_frag} config/mh-necv4"
 152     ;;
 153   mips*-sgi-irix6*)
 154     host_makefile_frag="${host_makefile_frag} config/mh-irix6"
 155     ;;
 156   mips*-sgi-irix5*)
 157     host_makefile_frag="${host_makefile_frag} config/mh-irix5"
 158     ;;
 159   mips*-sgi-irix4*)
 160     host_makefile_frag="${host_makefile_frag} config/mh-irix4"
 161     ;;
 162   mips*-sgi-irix3*)
 163     host_makefile_frag="${host_makefile_frag} config/mh-sysv"
 164     ;;
 165   mips*-*-sysv4*)
 166     host_makefile_frag="${host_makefile_frag} config/mh-sysv4"
 167     ;;
 168   mips*-*-sysv*)
 169     host_makefile_frag="${host_makefile_frag} config/mh-riscos"
 170     ;;
 171   i370-ibm-opened*)
 172     host_makefile_frag="${host_makefile_frag} config/mh-openedition"
 173     ;;
 174   i[3456]86-*-sysv5*)
 175     host_makefile_frag="${host_makefile_frag} config/mh-sysv5"
 176     ;;
 177   i[3456]86-*-dgux*)
 178     host_makefile_frag="${host_makefile_frag} config/mh-dgux386"
 179     ;;
 180   i[3456]86-ncr-sysv4.3*)
 181     host_makefile_frag="${host_makefile_frag} config/mh-ncrsvr43"
 182     ;;
 183   i[3456]86-ncr-sysv4*)
 184     host_makefile_frag="${host_makefile_frag} config/mh-ncr3000"
 185     ;;
 186   i[3456]86-*-sco3.2v5*)
 187     host_makefile_frag="${host_makefile_frag} config/mh-sysv"
 188     ;;
 189   i[3456]86-*-sco*)
 190     host_makefile_frag="${host_makefile_frag} config/mh-sco"
 191     ;;
 192   i[3456]86-*-udk*)
 193     host_makefile_frag="${host_makefile_frag} config/mh-sysv5"
 194     ;;
 195   i[3456]86-*-isc*)
 196     host_makefile_frag="${host_makefile_frag} config/mh-sysv"
 197     ;;
 198   i[3456]86-*-solaris2*)
 199     host_makefile_frag="${host_makefile_frag} config/mh-sysv4"
 200     ;;
 201   i[3456]86-*-aix*)
 202     host_makefile_frag="${host_makefile_frag} config/mh-aix386"
 203     ;;
 204   i[3456]86-*-msdosdjgpp*)
 205     host_makefile_frag="${host_makefile_frag} config/mh-djgpp"
 206     ;;
 207   *-cygwin*)
 208     host_makefile_frag="${host_makefile_frag} config/mh-cygwin"
 209     ;;
 210   *-mingw32*)
 211     host_makefile_frag="${host_makefile_frag} config/mh-mingw32"
 212     ;;
 213   *-interix*)
 214     host_makefile_frag="${host_makefile_frag} config/mh-interix"
 215     ;;
 216   *-windows*)
 217     host_makefile_frag="${host_makefile_frag} config/mh-windows"
 218     ;;
 219   vax-*-ultrix2*)
 220     host_makefile_frag="${host_makefile_frag} config/mh-vaxult2"
 221     ;;
 222   *-*-solaris2*)
 223     host_makefile_frag="${host_makefile_frag} config/mh-solaris"
 224     ;;
 225   m68k-sun-sunos*)
 226     host_makefile_frag="${host_makefile_frag} config/mh-sun3"
 227     ;;
 228   *-hp-hpux[78]*)
 229     host_makefile_frag="${host_makefile_frag} config/mh-hpux8"
 230     ;;
 231   *-hp-hpux*)
 232     host_makefile_frag="${host_makefile_frag} config/mh-hpux"
 233     ;;
 234   *-*-hiux*)
 235     host_makefile_frag="${host_makefile_frag} config/mh-hpux"
 236     ;;
 237   rs6000-*-lynxos*)
 238     host_makefile_frag="${host_makefile_frag} config/mh-lynxrs6k"
 239     ;;
 240   *-*-lynxos*)
 241     host_makefile_frag="${host_makefile_frag} config/mh-lynxos"
 242     ;;
 243   *-*-sysv4*)
 244     host_makefile_frag="${host_makefile_frag} config/mh-sysv4"
 245     ;;
 246   *-*-sysv*)
 247     host_makefile_frag="${host_makefile_frag} config/mh-sysv"
 248     ;;
 249 esac
 250 fi
 251
 252 # If we aren't going to be using gcc, see if we can extract a definition
 253 # of CC from the fragment.
 254 if [ -z "${CC}" ] && [ "${build}" = "${host}" ]; then
 255   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
 256   found=
 257   for dir in $PATH; do
 258     test -z "$dir" && dir=.
 259     if test -f $dir/gcc; then
 260       found=yes
 261       break
 262     fi
 263   done
 264   IFS="$save_ifs"
 265   if [ -z "${found}" ] && [ -n "${host_makefile_frag}" ] && [ -f "${srcdir}/${host_makefile_frag}" ]; then
 266     xx=`sed -n -e 's/^[         ]*CC[   ]*=[    ]*\(.*\)$/\1/p' < ${srcdir}/${host_makefile_frag}`
 267     if [ -n "${xx}" ] ; then
 268       CC=$xx
 269     fi
 270   fi
 271 fi
 272
 273 # We default to --with-shared on platforms where -fpic is meaningless.
 274 # Well, we don't yet, but we will.
 275 if false && [ "${host}" = "${target}" ] && [ x${enable_shared} = x ]; then
 276   case "${target}" in
 277     alpha*-dec-osf*)    enable_shared=yes ;;
 278     alpha*-*-linux*)    enable_shared=yes ;;
 279     mips-sgi-irix5*)    enable_shared=yes ;;
 280     *)                  enable_shared=no ;;
 281   esac
 282 fi
 283
 284 # hpux11 in 64bit mode has libraries in a weird place.  Arrange to find
 285 # them automatically.
 286 case "${host}" in
 287   hppa*64*-*-hpux11*)
 288     withoptions="$withoptions -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
 289     ;;
 290 esac
 291
 292 case "${enable_shared}" in
 293   yes) shared=yes ;;
 294   no) shared=no ;;
 295   "") shared=no ;;
 296   *) shared=yes ;;
 297 esac
 298
 299 if [ x${shared} = xyes ]; then
 300   case "${host}" in
 301     alpha*-*-linux*)
 302       host_makefile_frag="${host_makefile_frag} config/mh-elfalphapic"
 303       ;;
 304     arm*-*-*)
 305       host_makefile_frag="${host_makefile_frag} config/mh-armpic"
 306       ;;
 307     hppa*-*-*)
 308       host_makefile_frag="${host_makefile_frag} config/mh-papic"
 309       ;;
 310     i[3456]86-*-cygwin*)
 311       # We don't want -fPIC on Cygwin.
 312       ;;
 313     i[3456]86-*-*)
 314       host_makefile_frag="${host_makefile_frag} config/mh-x86pic"
 315       ;;
 316     i370-*-*)
 317       host_makefile_frag="${host_makefile_frag} config/mh-i370pic"
 318       ;;
 319     ia64-*-*)
 320       host_makefile_frag="${host_makefile_frag} config/mh-ia64pic"
 321       ;;
 322     sparc64-*-*)
 323       host_makefile_frag="${host_makefile_frag} config/mh-sparcpic"
 324       ;;
 325     powerpc*-*-aix*)
 326       # We don't want -fPIC on AIX.
 327       ;;
 328     powerpc*-*-*)
 329       host_makefile_frag="${host_makefile_frag} config/mh-ppcpic"
 330       ;;
 331     *-*-*)
 332       if test -f ${srcdir}/config/mh-${host_cpu}pic; then
 333         host_makefile_frag="${host_makefile_frag} config/mh-${host_cpu}pic"
 334       fi
 335       ;;
 336   esac
 337 fi
 338
 339 rm -f mh-frag
 340 if [ -n "${host_makefile_frag}" ] ; then
 341   for f in ${host_makefile_frag}
 342   do
 343     cat ${srcdir}/$f >> mh-frag
 344   done
 345   host_makefile_frag=mh-frag
 346 fi
 347
 348 # per-target:
 349
 350 case "${target}" in
 351   v810*)
 352     target_makefile_frag="${target_makefile_frag} config/mt-v810"
 353     ;;
 354   i[3456]86-*-netware*)
 355     target_makefile_frag="${target_makefile_frag} config/mt-netware"
 356     ;;
 357   powerpc-*-netware*)
 358     target_makefile_frag="${target_makefile_frag} config/mt-netware"
 359     ;;
 360   alpha*-*-linux*)
 361     target_makefile_frag="${target_makefile_frag} config/mt-linux"
 362     target_makefile_frag="${target_makefile_frag} config/mt-alphaieee"
 363     ;;
 364   alpha*-*-*)
 365     target_makefile_frag="${target_makefile_frag} config/mt-alphaieee"
 366     ;;
 367   *-*-linux*)
 368     target_makefile_frag="${target_makefile_frag} config/mt-linux"
 369     ;;
 370   *-*-aix4.[3456789]* | *-*-aix[56789].*)
 371     target_makefile_frag="${target_makefile_frag} config/mt-aix43"
 372     ;;
 373   mips*-*-pe | sh*-*-pe | *arm-wince-pe)
 374     target_makefile_frag="${target_makefile_frag} config/mt-wince"
 375     ;;
 376 esac
 377
 378 # If --enable-target-optspace always use -Os instead of -O2 to build
 379 # the target libraries, similarly if it is not specified, use -Os
 380 # on selected platforms.
 381 case "${enable_target_optspace}:${target}" in
 382   yes:*)
 383     target_makefile_frag="${target_makefile_frag} config/mt-ospace"
 384     ;;
 385   :d30v-*)
 386     target_makefile_frag="${target_makefile_frag} config/mt-d30v"
 387     ;;
 388   :m32r-* | :d10v-* | :fr30-*)
 389     target_makefile_frag="${target_makefile_frag} config/mt-ospace"
 390     ;;
 391   no:* | :*)
 392     ;;
 393   *)
 394     echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
 395     ;;
 396 esac
 397
 398 skipdirs=
 399 gasdir=gas
 400 use_gnu_ld=
 401 use_gnu_as=
 402
 403 # some tools are so dependent upon X11 that if we're not building with X,
 404 # it's not even worth trying to configure, much less build, that tool.
 405
 406 case ${with_x} in
 407   yes | "")  # the default value for this tree is that X11 is available
 408         ;;
 409   no)
 410         skipdirs="${skipdirs} tk libgui gash"
 411         ;;
 412   *)
 413         echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2
 414         ;;
 415 esac
 416
 417 # Some tools are only suitable for building in a "native" situation.
 418 # Those are added when we have a host==target configuration.  For cross
 419 # toolchains, we add some directories that should only be useful in a
 420 # cross-compiler.
 421
 422 is_cross_compiler=
 423
 424 if [ x"${host}" = x"${target}" ] ; then
 425         # when doing a native toolchain, don't build the targets
 426         # that are in the 'cross only' list
 427         skipdirs="${skipdirs} ${cross_only}"
 428         is_cross_compiler=no
 429 else
 430         # similarly, don't build the targets in the 'native only'
 431         # list when building a cross compiler
 432         skipdirs="${skipdirs} ${native_only}"
 433         is_cross_compiler=yes
 434 fi
 435
 436 # We always want to use the same name for this directory, so that dejagnu
 437 # can reliably find it.
 438 target_subdir=${target_alias}
 439
 440 if [ ! -d ${target_subdir} ] ; then
 441   if mkdir ${target_subdir} ; then true
 442   else
 443     echo "'*** could not make ${PWD=`pwd`}/${target_subdir}" 1>&2
 444     exit 1
 445   fi
 446 fi
 447
 448 copy_dirs=
 449
 450 # Handle --with-headers=XXX.  The contents of the named directory are
 451 # copied to $(tooldir)/sys-include.
 452 if [ x"${with_headers}" != x ]; then
 453   if [ x${is_cross_compiler} = xno ]; then
 454     echo 1>&2 '***' --with-headers is only supported when cross compiling
 455     exit 1
 456   fi
 457   case "${exec_prefixoption}" in
 458   "") x=${prefix} ;;
 459   *) x=${exec_prefix} ;;
 460   esac
 461   copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
 462 fi
 463
 464 # Handle --with-libs=XXX.  Multiple directories are permitted.  The
 465 # contents are copied to $(tooldir)/lib.
 466 if [ x"${with_libs}" != x ]; then
 467   if [ x${is_cross_compiler} = xno ]; then
 468     echo 1>&2 '***' --with-libs is only supported when cross compiling
 469     exit 1
 470   fi
 471   # Copy the libraries in reverse order, so that files in the first named
 472   # library override files in subsequent libraries.
 473   case "${exec_prefixoption}" in
 474   "") x=${prefix} ;;
 475   *) x=${exec_prefix} ;;
 476   esac
 477   for l in ${with_libs}; do
 478     copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
 479   done
 480 fi
 481
 482 # If both --with-headers and --with-libs are specified, default to
 483 # --without-newlib.
 484 if [ x"${with_headers}" != x ] && [ x"${with_libs}" != x ]; then
 485   if [ x"${with_newlib}" = x ]; then
 486     with_newlib=no
 487   fi
 488 fi
 489
 490 # Recognize --with-newlib/--without-newlib.
 491 if [ x${with_newlib} = xno ]; then
 492   skipdirs="${skipdirs} target-newlib"
 493 elif [ x${with_newlib} = xyes ]; then
 494   skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
 495 fi
 496
 497 # Default to using --with-stabs for certain targets.
 498 if [ x${with_stabs} = x ]; then
 499   case "${target}" in
 500   mips*-*-irix6*)
 501     ;;
 502   mips*-*-* | alpha*-*-osf*)
 503     with_stabs=yes;
 504     withoptions="${withoptions} --with-stabs"
 505     ;;
 506   esac
 507 fi
 508
 509 # Handle ${copy_dirs}
 510 set fnord ${copy_dirs}
 511 shift
 512 while [ $# != 0 ]; do
 513   if [ -f $2/COPIED ] && [ x"`cat $2/COPIED`" = x"$1" ]; then
 514     :
 515   else
 516     echo Copying $1 to $2
 517
 518     # Use the install script to create the directory and all required
 519     # parent directories.
 520     if [ -d $2 ]; then
 521       :
 522     else
 523       echo >config.temp
 524       ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
 525     fi
 526
 527     # Copy the directory, assuming we have tar.
 528     # FIXME: Should we use B in the second tar?  Not all systems support it.
 529     (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
 530
 531     # It is the responsibility of the user to correctly adjust all
 532     # symlinks.  If somebody can figure out how to handle them correctly
 533     # here, feel free to add the code.
 534
 535     echo $1 > $2/COPIED
 536   fi
 537   shift; shift
 538 done
 539
 540 # Configure extra directories which are host specific
 541
 542 case "${host}" in
 543         i[3456]86-*-go32*)
 544           configdirs="$configdirs dosrel" ;;
 545         i[3456]86-*-mingw32*)
 546           configdirs="$configdirs dosrel" ;;
 547         *-cygwin*)
 548           configdirs="$configdirs libtermcap dosrel" ;;
 549 esac
 550
 551 # Remove more programs from consideration, based on the host or
 552 # target this usually means that a port of the program doesn't
 553 # exist yet.
 554
 555 noconfigdirs=""
 556
 557 case "${host}" in
 558   hppa*64*-*-*)
 559     noconfigdirs="$noconfigdirs byacc"
 560     ;;
 561   i[3456]86-*-vsta)
 562     noconfigdirs="tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl apache inet itcl tix db snavigator gnuserv gettext"
 563     ;;
 564   i[3456]86-*-go32* | i[3456]86-*-msdosdjgpp*)
 565     noconfigdirs="tcl tk expect dejagnu send-pr uudecode guile apache inet itcl tix db snavigator gnuserv libffi"
 566         ;;
 567   i[3456]86-*-mingw32*)
 568     # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl apache inet itcl tix db snavigator gnuserv"
 569      noconfigdirs="expect dejagnu cvs autoconf automake send-pr rcs guile perl texinfo apache inet libtool"
 570         ;;
 571   i[3456]86-*-beos*)
 572      noconfigdirs="$noconfigdirs tk itcl tix libgui gdb"
 573      ;;
 574   *-*-cygwin*)
 575      noconfigdirs="autoconf automake send-pr rcs guile perl texinfo apache inet"
 576     ;;
 577   *-*-netbsd*)
 578     noconfigdirs="rcs"
 579     ;;
 580   ppc*-*-pe)
 581      noconfigdirs="patch diff make tk tcl expect dejagnu cvssrc autoconf automake texinfo bison send-pr gprof rcs guile perl apache inet itcl tix db snavigator gnuserv"
 582     ;;
 583   powerpc-*-beos*)
 584     noconfigdirs="$noconfigdirs tk itcl tix libgui gdb dejagnu readline"
 585     ;;
 586 esac
 587
 588 # Save it here so that, even in case of --enable-libgcj, if the Java
 589 # front-end isn't enabled, we still get libgcj disabled.
 590 libgcj_saved=$libgcj
 591 case $enable_libgcj in
 592 yes)
 593   # If we reset it here, it won't get added to noconfigdirs in the
 594   # target-specific build rules, so it will be forcibly enabled
 595   # (unless the Java language itself isn't enabled).
 596   libgcj=
 597   ;;
 598 no)
 599   # Make sure we get it printed in the list of not supported target libs.
 600   noconfigdirs="$noconfigdirs ${libgcj}"
 601   ;;
 602 esac
 603
 604 case "${target}" in
 605   *-*-chorusos)
 606     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 607     ;;
 608   *-*-netware)
 609     noconfigdirs="$noconfigdirs ${libstdcxx_version} target-librx target-newlib target-libiberty target-libgloss ${libgcj}"
 610     ;;
 611   *-*-rtems*)
 612     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 613     ;;
 614   *-*-vxworks*)
 615     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 616     ;;
 617   alpha*-dec-osf*)
 618     # ld works, but does not support shared libraries.  emacs doesn't
 619     # work.  newlib is not 64 bit ready.  I'm not sure about fileutils.
 620     # gas doesn't generate exception information.
 621     noconfigdirs="$noconfigdirs gas ld emacs fileutils target-newlib target-libgloss ${libgcj}"
 622     ;;
 623   alpha*-*-*vms*)
 624     noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
 625     ;;
 626   alpha*-*-linux*)
 627     # newlib is not 64 bit ready
 628     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 629     # linux has rx in libc
 630     skipdirs="$skipdirs target-librx"
 631     ;;
 632   alpha*-*-*)
 633     # newlib is not 64 bit ready
 634     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 635     ;;
 636   sh*-*-pe|mips*-*-pe|*arm-wince-pe)
 637     noconfigdirs="$noconfigdirs ${libgcj}"
 638     noconfigdirs="$noconfigdirs target-examples"
 639     noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
 640     noconfigdirs="$noconfigdirs tcl tix tk itcl libgui sim"
 641     noconfigdirs="$noconfigdirs expect dejagnu"
 642     # the C++ libraries don't build on top of CE's C libraries
 643     noconfigdirs="$noconfigdirs ${libstdcxx_version}"
 644     skipdirs="$skipdirs target-newlib"
 645     case "${host}" in
 646       *-*-cygwin*) ;; # keep gdb and readline
 647       *) noconfigdirs="$noconfigdirs gdb readline ${libstdcxx_version}"
 648          ;;
 649     esac
 650     ;;
 651   arc-*-*)
 652     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 653     ;;
 654   arm-*-pe*)
 655     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 656     ;;
 657   arm-*-coff*)
 658     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 659     if [ x${is_cross_compiler} != xno ] ; then
 660            target_configdirs="${target_configdirs} target-bsp target-cygmon"
 661     fi
 662     ;;
 663   arm-*-elf*)
 664     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 665     if [ x${is_cross_compiler} != xno ] ; then
 666            target_configdirs="${target_configdirs} target-bsp target-cygmon"
 667     fi
 668     ;;
 669   arm-*-oabi*)
 670     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 671     ;;
 672   c4x-*-*)
 673     noconfigdirs="$noconfigdirs ${libstdcxx_version} target-librx target-libgloss ${libgcj}"
 674     ;;
 675   c54x*-*-* | tic54x-*-*)
 676     noconfigdirs="$noconfigdirs ${libstdcxx_version} target-libgloss ${libgcj} gcc gdb newlib"
 677     ;;
 678   thumb-*-coff)
 679     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 680     ;;
 681   thumb-*-elf)
 682     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 683     ;;
 684   thumb-*-oabi)
 685     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 686     ;;
 687   strongarm-*-elf)
 688     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 689     if [ x${is_cross_compiler} != xno ] ; then
 690            target_configdirs="${target_configdirs} target-bsp target-cygmon"
 691     fi
 692     ;;
 693   strongarm-*-coff)
 694     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 695     if [ x${is_cross_compiler} != xno ] ; then
 696            target_configdirs="${target_configdirs} target-bsp target-cygmon"
 697     fi
 698     ;;
 699   xscale-*-elf)
 700     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 701     if [ x${is_cross_compiler} != xno ] ; then
 702            target_configdirs="${target_configdirs} target-bsp target-cygmon"
 703     fi
 704     ;;
 705   xscale-*-coff)
 706     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 707     if [ x${is_cross_compiler} != xno ] ; then
 708            target_configdirs="${target_configdirs} target-bsp target-cygmon"
 709     fi
 710     ;;
 711   thumb-*-pe)
 712     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 713     ;;
 714   arm-*-riscix*)
 715     noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
 716     ;;
 717   d10v-*-*)
 718     noconfigdirs="$noconfigdirs target-librx ${libstdcxx_version} target-libgloss ${libgcj}"
 719     ;;
 720   d30v-*-*)
 721     noconfigdirs="$noconfigdirs ${libgcj}"
 722     ;;
 723   fr30-*-elf*)
 724     noconfigdirs="$noconfigdirs ${libgcj}"
 725     if [ x${is_cross_compiler} != xno ] ; then
 726            target_configdirs="${target_configdirs} target-bsp target-libstub target-cygmon"
 727     fi
 728     ;;
 729   h8300*-*-* | \
 730   h8500-*-*)
 731     noconfigdirs="$noconfigdirs ${libstdcxx_version} target-librx target-libgloss ${libgcj}"
 732     ;;
 733   hppa*-*-*elf* | \
 734   hppa*-*-linux* | \
 735   hppa*-*-lites* | \
 736   hppa*64*-*-*)
 737     noconfigdirs="$noconfigdirs ${libgcj}"
 738     # Do configure ld/binutils/gas for this case.
 739     ;;
 740   hppa*-*-*)
 741     # HP's C compiler doesn't handle Emacs correctly (but on BSD and Mach
 742     # cc is gcc, and on any system a user should be able to link cc to
 743     # whatever they want.  FIXME, emacs emacs19).
 744     case "${CC}" in
 745         "" | cc*) noconfigdirs="$noconfigdirs emacs emacs19" ;;
 746         *) ;;
 747     esac
 748     # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
 749     # build on HP-UX 10.20.
 750     noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
 751     ;;
 752   ia64*-*-elf*)
 753     # No gdb support yet.
 754     noconfigdirs="$noconfigdirs tix readline mmalloc libgui itcl gdb"
 755     ;;
 756   i[3456]86-*-coff | i[3456]86-*-elf)
 757     noconfigdirs="$noconfigdirs ${libgcj}"
 758     if [ x${is_cross_compiler} != xno ] ; then
 759          target_configdirs="${target_configdirs} target-libstub target-cygmon"
 760     fi
 761     ;;
 762   *-*-linux*)
 763     # linux has rx in libc
 764     skipdirs="$skipdirs target-librx"
 765     ;;
 766   i[3456]86-*-mingw32*)
 767     target_configdirs="$target_configdirs target-mingw"
 768     noconfigdirs="$noconfigdirs expect target-libgloss"
 769
 770     # Can't build gdb for mingw32 if not native.
 771     case "${host}" in
 772       i[3456]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
 773       *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix db snavigator gnuserv"
 774          ;;
 775     esac
 776     ;;
 777   *-*-cygwin*)
 778     target_configdirs="$target_configdirs target-libtermcap target-winsup"
 779     noconfigdirs="$noconfigdirs target-gperf target-libgloss"
 780     # always build newlib.
 781     skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
 782
 783     # Can't build gdb for Cygwin if not native.
 784     case "${host}" in
 785       *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
 786       *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix libgui db snavigator gnuserv"
 787          ;;
 788     esac
 789     ;;
 790   i[3456]86-*-pe)
 791     noconfigdirs="$noconfigdirs ${libstdcxx_version} target-librx target-libgloss ${libgcj}"
 792     ;;
 793   i[3456]86-*-sco3.2v5*)
 794     # The linker does not yet know about weak symbols in COFF,
 795     # and is not configured to handle mixed ELF and COFF.
 796     noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
 797     ;;
 798   i[3456]86-*-sco*)
 799     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 800     ;;
 801   i[3456]86-*-solaris2*)
 802     noconfigdirs="$noconfigdirs target-libgloss"
 803     ;;
 804   i[3456]86-*-sysv4*)
 805     # The SYSV4 C compiler doesn't handle Emacs correctly
 806     case "${CC}" in
 807         "" | cc*) noconfigdirs="$noconfigdirs emacs emacs19" ;;
 808         *) ;;
 809     esac
 810     # but that's okay since emacs doesn't work anyway
 811     noconfigdirs="$noconfigdirs emacs emacs19 target-libgloss ${libgcj}"
 812     ;;
 813   i[3456]86-*-beos*)
 814      noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
 815      ;;
 816   m68k-*-elf*)
 817     noconfigdirs="$noconfigdirs ${libgcj}"
 818     if [ x${is_cross_compiler} != xno ] ; then
 819            target_configdirs="${target_configdirs} target-bsp target-cygmon"
 820     fi
 821     ;;
 822   m68k-*-coff*)
 823     noconfigdirs="$noconfigdirs ${libgcj}"
 824     if [ x${is_cross_compiler} != xno ] ; then
 825            target_configdirs="${target_configdirs} target-bsp target-cygmon"
 826     fi
 827     ;;
 828   mn10200-*-*)
 829     noconfigdirs="$noconfigdirs ${libgcj}"
 830     if [ x${is_cross_compiler} != xno ] ; then
 831            target_configdirs="${target_configdirs} target-libstub target-cygmon"
 832     fi
 833     ;;
 834   mn10300-*-*)
 835     noconfigdirs="$noconfigdirs ${libgcj}"
 836     if [ x${is_cross_compiler} != xno ] ; then
 837            target_configdirs="${target_configdirs} target-bsp target-libstub target-cygmon"
 838     fi
 839     ;;
 840   powerpc-*-aix*)
 841     # copied from rs6000-*-* entry
 842     # The configure and build of ld are currently disabled because
 843     # GNU ld is known to be broken for AIX 4.2 and 4.3 (at least)
 844     # The symptom is that GDBtk 4.18 fails at startup with a segfault
 845     # if linked by GNU ld, but not if linked by the native ld.
 846     noconfigdirs="$noconfigdirs gprof cvssrc target-libgloss ${libgcj} ld"
 847     use_gnu_ld=no
 848     ;;
 849   powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
 850     target_configdirs="$target_configdirs target-winsup"
 851     noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl tix db snavigator gnuserv ${libgcj}"
 852     # always build newlib.
 853     skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
 854     ;;
 855     # This is temporary until we can link against shared libraries
 856   powerpcle-*-solaris*)
 857     noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl tix db snavigator gnuserv ${libgcj}"
 858     ;;
 859   powerpc-*-beos*)
 860     noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
 861     ;;
 862   powerpc-*-eabi)
 863     noconfigdirs="$noconfigdirs ${libgcj}"
 864     if [ x${is_cross_compiler} != xno ] ; then
 865            target_configdirs="${target_configdirs} target-bsp target-libstub target-cygmon"
 866     fi
 867     ;;
 868   rs6000-*-lynxos*)
 869     # The CVS server code doesn't work on the RS/6000
 870     noconfigdirs="$noconfigdirs target-newlib gprof cvssrc ${libgcj}"
 871     ;;
 872   rs6000-*-aix*)
 873     # The configure and build of ld are currently disabled because
 874     # GNU ld is known to be broken for AIX 4.2 and 4.3 (at least)
 875     # The symptom is that GDBtk 4.18 fails at startup with a segfault
 876     # if linked by GNU ld, but not if linked by the native ld.
 877     noconfigdirs="$noconfigdirs gprof ld ${libgcj}"
 878     use_gnu_ld=no
 879     ;;
 880   rs6000-*-*)
 881     noconfigdirs="$noconfigdirs gprof ${libgcj}"
 882     ;;
 883   m68k-apollo-*)
 884     noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
 885     ;;
 886   mips*-*-irix5*)
 887     # The GNU linker does not support shared libraries.
 888     # emacs is emacs 18, which does not work on Irix 5 (emacs19 does work)
 889     noconfigdirs="$noconfigdirs ld gprof emacs target-libgloss ${libgcj}"
 890     ;;
 891   mips*-*-irix6*)
 892     # The GNU assembler does not support IRIX 6.
 893     # emacs is emacs 18, which does not work on Irix 5 (emacs19 does work)
 894     # Linking libjava exceeds command-line length limits on at least
 895     # IRIX 6.2, but not on IRIX 6.5.
 896     # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
 897     # <oldham@codesourcery.com>
 898     noconfigdirs="$noconfigdirs gas gprof emacs target-libgloss ${libgcj}"
 899     ;;
 900   mips*-dec-bsd*)
 901     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 902     ;;
 903   mips*-*-bsd*)
 904     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 905     ;;
 906   mipstx39-*-*)
 907     noconfigdirs="$noconfigdirs gprof ${libgcj}"   # same as generic mips
 908     target_configdirs="${target_configdirs} target-bsp target-libstub target-cygmon"
 909    ;;
 910   mips*-*-*)
 911     noconfigdirs="$noconfigdirs gprof ${libgcj}"
 912     ;;
 913   romp-*-*)
 914     noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
 915     ;;
 916   sh-*-*)
 917     case "${host}" in
 918       i[3456]86-*-vsta) ;; # don't add gprof back in
 919       i[3456]86-*-go32*) ;; # don't add gprof back in
 920       i[3456]86-*-msdosdjgpp*) ;; # don't add gprof back in
 921       *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
 922     esac
 923     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 924     ;;
 925   sparc-*-elf*)
 926     if [ x${is_cross_compiler} != xno ] ; then
 927            target_configdirs="${target_configdirs} target-libstub target-cygmon"
 928     fi
 929     ;;
 930   sparc64-*-elf*)
 931     if [ x${is_cross_compiler} != xno ] ; then
 932            target_configdirs="${target_configdirs} target-libstub target-cygmon"
 933     fi
 934     ;;
 935   sparclite-*-*)
 936     if [ x${is_cross_compiler} != xno ] ; then
 937            target_configdirs="${target_configdirs} target-bsp target-libstub target-cygmon"
 938     fi
 939     noconfigdirs="$noconfigdirs ${libgcj}"
 940     ;;
 941   sparc-*-sunos4*)
 942     noconfigdirs="$noconfigdirs ${libgcj}"
 943     if [ x${is_cross_compiler} != xno ] ; then
 944            noconfigdirs="$noconfigdirs gdb gdbtest target-newlib target-libgloss"
 945     else
 946            use_gnu_ld=no
 947     fi
 948     ;;
 949   sparc-*-solaris*)
 950     case "${host}" in
 951     sparc-*-solaris2.8)
 952       # According to Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>, libjava
 953       # won't build correctly on Solaris 8 if there's a
 954       # previously-installed version of GCC in the configured prefix.
 955       # This problem does not show up on earlier versions of Solaris.
 956       noconfigdirs="$noconfigdirs ${libgcj}"
 957       ;;
 958     esac
 959     ;;
 960   v810-*-*)
 961     noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld ${libstdcxx_version} opcodes target-libgloss ${libgcj}"
 962     ;;
 963   v850-*-*)
 964     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 965     ;;
 966   v850e-*-*)
 967     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 968     ;;
 969   v850ea-*-*)
 970     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 971     ;;
 972   vax-*-vms)
 973     noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
 974     ;;
 975   vax-*-*)
 976     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 977     ;;
 978   *-*-lynxos*)
 979     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 980     ;;
 981   *-*-macos* | \
 982   *-*-mpw*)
 983     # Macs want a resource compiler.
 984     configdirs="$configdirs grez"
 985     noconfigdirs="$noconfigdirs ${libgcj}"
 986     ;;
 987   *-*-*)
 988     noconfigdirs="$noconfigdirs ${libgcj}"
 989     ;;
 990 esac
 991
 992 # If we aren't building newlib, then don't build libgloss, since libgloss
 993 # depends upon some newlib header files.
 994 case "${noconfigdirs}" in
 995   *target-libgloss*) ;;
 996   *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
 997 esac
 998
 999 # Make sure we don't let GNU ld be added if we didn't want it.
1000 if [ x$with_gnu_ld = xno ]; then
1001   use_gnu_ld=no
1002   noconfigdirs="$noconfigdirs ld"
1003 fi
1004
1005 # Make sure we don't let GNU as be added if we didn't want it.
1006 if [ x$with_gnu_as = xno ]; then
1007   use_gnu_as=no
1008   noconfigdirs="$noconfigdirs gas"
1009 fi
1010
1011 # Figure out what language subdirectories are present.
1012 # Look if the user specified --enable-languages="..."; if not, use
1013 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1014 # go away some day.
1015 if test x"${enable_languages+set}" != xset; then
1016         if test x"${LANGUAGES+set}" = xset; then
1017                 enable_languages="`echo ${LANGUAGES} | tr ' ' ','`"
1018         else
1019                 enable_languages=all
1020         fi
1021 else
1022         if test x"${enable_languages}" = x; then
1023                 echo configure.in: --enable-languages needs at least one argument 1>&2
1024                 exit 1
1025         fi
1026 fi
1027
1028 # First scan to see if an enabled language requires some other language.
1029 # We assume that a given config-lang.in will list all the language
1030 # front ends it requires, even if some are required indirectly.
1031 for lang in ${srcdir}/gcc/*/config-lang.in ..
1032 do
1033    case $lang in
1034     ..)
1035        ;;
1036     # The odd quoting in the next line works around
1037     # an apparent bug in bash 1.12 on linux.
1038     ${srcdir}/gcc/[*]/config-lang.in)
1039        ;;
1040     *)
1041        lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^      ]*\).*$,\1,p' $lang`
1042        this_lang_requires=`sed -n -e 's,^lang_requires=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^lang_requires=\([^    ]*\).*$,\1,p' $lang`
1043        for other in $this_lang_requires
1044        do
1045           case ,${enable_languages}, in
1046            *,$other,*)
1047               ;;
1048            *,all,*)
1049               ;;
1050            *,$lang_alias,*)
1051               echo " \`$other' language required by \`$lang_alias'; enabling" 1>&2
1052               enable_languages="$enable_languages,$other"
1053               ;;
1054           esac
1055        done
1056        ;;
1057    esac
1058 done
1059
1060 subdirs=
1061 for lang in ${srcdir}/gcc/*/config-lang.in ..
1062 do
1063         case $lang in
1064         ..) ;;
1065         # The odd quoting in the next line works around
1066         # an apparent bug in bash 1.12 on linux.
1067         ${srcdir}/gcc/[*]/config-lang.in) ;;
1068         *)
1069           lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^   ]*\).*$,\1,p' $lang`
1070           this_lang_libs=`sed -n -e 's,^target_libs=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^target_libs=\([^         ]*\).*$,\1,p' $lang`
1071           this_lang_dirs=`sed -n -e 's,^lang_dirs=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^lang_dirs=\([^     ]*\).*$,\1,p' $lang`
1072           build_by_default=`sed -n -e 's,^build_by_default=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^build_by_default=\([^     ]*\).*$,\1,p' $lang`
1073           if test "x$lang_alias" = x
1074           then
1075                 echo "$lang doesn't set \$language." 1>&2
1076                 exit 1
1077           fi
1078           case ${build_by_default},${enable_languages}, in
1079           *,$lang_alias,*) add_this_lang=yes ;;
1080           no,*) add_this_lang=no ;;
1081           *,all,*) add_this_lang=yes ;;
1082           *) add_this_lang=no ;;
1083           esac
1084           if test x"${add_this_lang}" = xyes; then
1085               eval target_libs='"$target_libs "'\"$this_lang_libs\"
1086           else
1087               eval noconfigdirs='"$noconfigdirs "'\"$this_lang_libs $this_lang_dirs\"
1088           fi
1089           ;;
1090         esac
1091 done
1092
1093 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs and
1094 # $target_configdirs.
1095 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1096
1097 notsupp=""
1098 for dir in . $skipdirs $noconfigdirs ; do
1099   dirname=`echo $dir | sed -e s/target-//g`
1100   if [ $dir != . ]  && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1101     configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1102     if [ -r $srcdir/$dirname/configure ] \
1103         || [ -r $srcdir/$dirname/configure.in ]; then
1104       if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1105         true
1106       else
1107         notsupp="$notsupp $dir"
1108       fi
1109     fi
1110   fi
1111   if [ $dir != . ]  && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1112     target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1113     if [ -r $srcdir/$dirname/configure ] \
1114         || [ -r $srcdir/$dirname/configure.in ]; then
1115       if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1116         true
1117       else
1118         notsupp="$notsupp $dir"
1119       fi
1120     fi
1121   fi
1122 done
1123
1124 # Sometimes the tools are distributed with libiberty but with no other
1125 # libraries.  In that case, we don't want to build target-libiberty.
1126 if [ -n "${target_configdirs}" ]; then
1127   others=
1128   for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1129     if [ "$i" != "libiberty" ]; then
1130       if [ -r $srcdir/$i/configure ] || [ -r $srcdir/$i/configure.in ]; then
1131         others=yes;
1132         break;
1133       fi
1134     fi
1135   done
1136   if [ -z "${others}" ]; then
1137     target_configdirs=
1138   fi
1139 fi
1140
1141 # Deconfigure all subdirectories, in case we are changing the
1142 # configuration from one where a subdirectory is supported to one where it
1143 # is not.
1144 if [ -z "${norecursion}" ] && [ -n "${configdirs}" ]; then
1145   for i in `echo ${configdirs} | sed -e s/target-//g` ; do
1146     rm -f $i/Makefile
1147   done
1148 fi
1149 if [ -z "${norecursion}" ] && [ -n "${target_configdirs}" ]; then
1150   for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1151     rm -f ${target_subdir}/$i/Makefile
1152   done
1153 fi
1154
1155 # Produce a warning message for the subdirs we can't configure.
1156 # This isn't especially interesting in the Cygnus tree, but in the individual
1157 # FSF releases, it's important to let people know when their machine isn't
1158 # supported by the one or two programs in a package.
1159
1160 if [ -n "${notsupp}" ] && [ -z "${norecursion}" ]; then
1161   # If $appdirs is non-empty, at least one of those directories must still
1162   # be configured, or we error out.  (E.g., if the gas release supports a
1163   # specified target in some subdirs but not the gas subdir, we shouldn't
1164   # pretend that all is well.)
1165   if [ -n "$appdirs" ]; then
1166     for dir in $appdirs ; do
1167       if [ -r $dir/Makefile.in ]; then
1168         if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1169           appdirs=""
1170           break
1171         fi
1172         if echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1173           appdirs=""
1174           break
1175         fi
1176       fi
1177     done
1178     if [ -n "$appdirs" ]; then
1179       echo "*** This configuration is not supported by this package." 1>&2
1180       exit 1
1181     fi
1182   fi
1183   # Okay, some application will build, or we don't care to check.  Still
1184   # notify of subdirs not getting built.
1185   echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1186   echo "    ${notsupp}" 1>&2
1187   echo "    (Any other directories should still work fine.)" 1>&2
1188 fi
1189
1190 # Set with_gnu_as and with_gnu_ld as appropriate.
1191 #
1192 # This is done by determining whether or not the appropriate directory
1193 # is available, and by checking whether or not specific configurations
1194 # have requested that this magic not happen.
1195 #
1196 # The command line options always override the explicit settings in
1197 # configure.in, and the settings in configure.in override this magic.
1198 #
1199 # If the default for a toolchain is to use GNU as and ld, and you don't
1200 # want to do that, then you should use the --without-gnu-as and
1201 # --without-gnu-ld options for the configure script.
1202
1203 if [ x${use_gnu_as} = x ] ; then
1204   if [ x${with_gnu_as} != xno ] && echo " ${configdirs} " | grep " ${gasdir} " > /dev/null 2>&1 && [ -d ${srcdir}/${gasdir} ] ; then
1205     with_gnu_as=yes
1206     withoptions="$withoptions --with-gnu-as"
1207   fi
1208 fi
1209
1210 if [ x${use_gnu_ld} = x ] ; then
1211   if [ x${with_gnu_ld} != xno ] && echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 && [ -d ${srcdir}/ld ] ; then
1212     with_gnu_ld=yes
1213     withoptions="$withoptions --with-gnu-ld"
1214   fi
1215 fi
1216
1217 # If using newlib, add --with-newlib to the withoptions so that gcc/configure
1218 # can detect this case.
1219
1220 if [ x${with_newlib} != xno ] && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 && [ -d ${srcdir}/newlib ] ; then
1221   with_newlib=yes
1222   withoptions="$withoptions --with-newlib"
1223 fi
1224
1225 if [ x${shared} = xyes ]; then
1226   case "${target}" in
1227     hppa*)
1228       target_makefile_frag="${target_makefile_frag} config/mt-papic"
1229       ;;
1230     i[3456]86-*)
1231       target_makefile_frag="${target_makefile_frag} config/mt-x86pic"
1232       ;;
1233     ia64-*)
1234       target_makefile_frag="${target_makefile_frag} config/mt-ia64pic"
1235       ;;
1236     powerpc*-*-aix*)
1237       # We don't want -fPIC on AIX.
1238       ;;
1239     powerpc*-*)
1240       target_makefile_frag="${target_makefile_frag} config/mt-ppcpic"
1241       ;;
1242     alpha*-*-linux*)
1243       target_makefile_frag="${target_makefile_frag} config/mt-elfalphapic"
1244       ;;
1245     *)
1246       if test -f ${srcdir}/config/mt-${target_cpu}pic; then
1247         target_makefile_frag="${target_makefile_frag} config/mt-${target_cpu}pic"
1248       fi
1249       ;;
1250   esac
1251 fi
1252
1253 rm -f mt-frag
1254 if [ -n "${target_makefile_frag}" ] ; then
1255   for f in ${target_makefile_frag}
1256   do
1257     cat ${srcdir}/$f >> mt-frag
1258   done
1259   target_makefile_frag=mt-frag
1260 fi
1261
1262 # post-target:
1263
1264 # Make sure that the compiler is able to generate an executable.  If it
1265 # can't, we are probably in trouble.  We don't care whether we can run the
1266 # executable--we might be using a cross compiler--we only care whether it
1267 # can be created.  At this point the main configure script has set CC.
1268 echo "int main () { return 0; }" > conftest.c
1269 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1270 if [ $? = 0 ] && [ -s conftest -o -s conftest.exe ]; then
1271   :
1272 else
1273   echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1274   echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1275   rm -f conftest*
1276   exit 1
1277 fi
1278 rm -f conftest*
1279
1280 # The Solaris /usr/ucb/cc compiler does not appear to work.
1281 case "${host}" in
1282   sparc-sun-solaris2*)
1283       CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1284       if [ "`/usr/bin/which $CCBASE`" = "/usr/ucb/cc" ] ; then
1285           could_use=
1286           [ -d /opt/SUNWspro/bin ] && could_use="/opt/SUNWspro/bin"
1287           if [ -d /opt/cygnus/bin ] ; then
1288               if [ "$could_use" = "" ] ; then
1289                   could_use="/opt/cygnus/bin"
1290               else
1291                   could_use="$could_use or /opt/cygnus/bin"
1292               fi
1293           fi
1294         if [ "$could_use" = "" ] ; then
1295             echo "Warning: compilation may fail because you're using"
1296             echo "/usr/ucb/cc.  You should change your PATH or CC "
1297             echo "variable and rerun configure."
1298         else
1299             echo "Warning: compilation may fail because you're using"
1300             echo "/usr/ucb/cc, when you should use the C compiler from"
1301             echo "$could_use.  You should change your"
1302             echo "PATH or CC variable and rerun configure."
1303         fi
1304       fi
1305   ;;
1306 esac
1307
1308 # If --enable-shared was set, we must set LD_LIBRARY_PATH so that the
1309 # binutils tools will find libbfd.so.
1310 if [ "${shared}" = "yes" ]; then
1311   sed -e 's/^SET_LIB_PATH[      ]*=.*$/SET_LIB_PATH = $(REALLY_SET_LIB_PATH)/' \
1312       Makefile > Makefile.tem
1313   rm -f Makefile
1314   mv -f Makefile.tem Makefile
1315
1316   case "${host}" in
1317   *-*-hpux*)
1318     sed -e 's/^RPATH_ENVVAR[    ]*=.*$/RPATH_ENVVAR = SHLIB_PATH/' \
1319         Makefile > Makefile.tem
1320     rm -f Makefile
1321     mv -f Makefile.tem Makefile
1322     ;;
1323   esac
1324 fi
1325
1326 # Record target_configdirs and the configure arguments in Makefile.
1327 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1328 targargs=`echo "${arguments}" | \
1329         sed -e 's/--no[^        ]*//' \
1330             -e 's/--cache[a-z-]*=[^     ]*//' \
1331             -e 's/--ho[a-z-]*=[^        ]*//' \
1332             -e 's/--bu[a-z-]*=[^        ]*//' \
1333             -e 's/--ta[a-z-]*=[^        ]*//'`
1334
1335 # Passing a --with-cross-host argument lets the target libraries know
1336 # whether they are being built with a cross-compiler or being built
1337 # native.  However, it would be better to use other mechanisms to make the
1338 # sorts of decisions they want to make on this basis.  Please consider
1339 # this option to be deprecated.  FIXME.
1340 if [ x${is_cross_compiler} = xyes ]; then
1341   targargs="--with-cross-host=${host_alias} ${targargs}"
1342 fi
1343
1344 # Default to --enable-multilib.
1345 if [ x${enable_multilib} = x ]; then
1346   targargs="--enable-multilib ${targargs}"
1347 fi
1348
1349 # Pass --with-newlib if appropriate.  Note that target_configdirs has
1350 # changed from the earlier setting of with_newlib.
1351 if [ x${with_newlib} != xno ] && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && [ -d ${srcdir}/newlib ] ; then
1352   targargs="--with-newlib ${targargs}"
1353 fi
1354
1355 # provide a proper gxx_include_dir.
1356 # Note, if you change the default, make sure to fix both here and in
1357 # the gcc and libstdc++-v3 subdirectories.
1358 # Check whether --with-gxx-include-dir or --without-gxx-include-dir was given.
1359 gxx_include_dir=
1360 if test -n "${with_gxx_include_dir}"; then
1361   case "${with_gxx_include_dir}" in
1362     yes )
1363       echo "configure.in: error: bad value ${withval} given for g++ include directory" 1>&2
1364       exit 1
1365       ;;
1366     no )
1367       ;;
1368     * )
1369       gxx_include_dir=${with_gxx_include_dir}
1370       ;;
1371   esac
1372 fi
1373 if test x${gxx_include_dir} = x; then
1374   if test x${enable_version_specific_runtime_libs} = xyes; then
1375     gxx_include_dir='${libsubdir}/include/g++'
1376   else
1377     . ${topsrcdir}/config.if
1378     gxx_include_dir='${prefix}/include/${libstdcxx_incdir}'
1379   fi
1380 else
1381   gxx_include_dir=${gxx_include_dir}
1382 fi
1383
1384 FLAGS_FOR_TARGET=
1385 case " $skipdirs " in
1386 *" target-newlib "*) ;;
1387 *)
1388  case " $target_configdirs " in
1389  *" newlib "*)
1390   case " $targargs " in
1391   *" --with-newlib "*)
1392    case "$target" in
1393    *-cygwin*)
1394      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' ;;
1395    esac
1396
1397    # If we're not building GCC, don't discard standard headers.
1398    if test -d ${topsrcdir}/gcc; then
1399      FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
1400
1401      if test "${build}" != "${host}"; then
1402        # On Canadian crosses, CC_FOR_TARGET will have already been set
1403        # by `configure', so we won't have an opportunity to add -Bgcc/
1404        # to it.  This is right: we don't want to search that directory
1405        # for binaries, but we want the header files in there, so add
1406        # them explicitly.
1407        FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/gcc/include'
1408
1409        # Someone might think of using the pre-installed headers on
1410        # Canadian crosses, in case the installed compiler is not fully
1411        # compatible with the compiler being built.  In this case, it
1412        # would be better to flag an error than risking having
1413        # incompatible object files being constructed.  We can't
1414        # guarantee that an error will be flagged, but let's hope the
1415        # compiler will do it, when presented with incompatible header
1416        # files.
1417      fi
1418    fi
1419
1420    # If we're building newlib, use its generic headers last, but search
1421    # for any libc-related directories first (so make it the last -B
1422    # switch).
1423    FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
1424    ;;
1425   esac
1426   ;;
1427  esac
1428  ;;
1429 esac
1430
1431 # On Canadian crosses, we'll be searching the right directories for
1432 # the previously-installed cross compiler, so don't bother to add
1433 # flags for directories within the install tree of the compiler
1434 # being built; programs in there won't even run.
1435 if test "${build}" = "${host}" && test -d ${topsrcdir}/gcc; then
1436   # Search for pre-installed headers if nothing else fits.
1437   FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include'
1438 fi
1439
1440 if test "x${use_gnu_ld}" = x && test "x${with_gnu_ld}" != xno &&
1441    echo " ${configdirs} " | grep " ld " > /dev/null &&
1442    test -d ${srcdir}/ld; then
1443   # Arrange for us to find uninstalled linker scripts.
1444   FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/ld'
1445 fi
1446
1447 if test "x${CC_FOR_TARGET+set}" = xset; then
1448   :
1449 elif test -d ${topsrcdir}/gcc; then
1450   CC_FOR_TARGET='$$r/gcc/xgcc -B$$r/gcc/'
1451 elif test "$host" = "$target"; then
1452   CC_FOR_TARGET='$(CC)'
1453 else
1454   CC_FOR_TARGET=`echo gcc | sed -e 's/x/x/' ${program_transform_name}`
1455 fi
1456 # On Canadian crosses, configure reads CC_FOR_TARGET from Makefile,
1457 # if Makefile exists.  Prevent $(FLAGS_FOR_TARGET) from being duplicated.
1458 case $CC_FOR_TARGET in
1459 *' $(FLAGS_FOR_TARGET)') ;;
1460 *) CC_FOR_TARGET=$CC_FOR_TARGET' $(FLAGS_FOR_TARGET)' ;;
1461 esac
1462
1463 if test "x${CHILL_FOR_TARGET+set}" = xset; then
1464   :
1465 elif test -d ${topsrcdir}/gcc; then
1466   CHILL_FOR_TARGET='$$r/gcc/xgcc -B$$r/gcc/ -L$$r/gcc/ch/runtime/'
1467 elif test "$host" = "$target"; then
1468   CHILL_FOR_TARGET='$(CC)'
1469 else
1470   CHILL_FOR_TARGET=`echo gcc | sed -e 's/x/x/' ${program_transform_name}`
1471 fi
1472 case $CHILL_FOR_TARGET in
1473 *' $(FLAGS_FOR_TARGET)') ;;
1474 *) CHILL_FOR_TARGET=$CHILL_FOR_TARGET' $(FLAGS_FOR_TARGET)' ;;
1475 esac
1476
1477 if test "x${GCJ_FOR_TARGET+set}" = xset; then
1478   :
1479 elif test -d ${topsrcdir}/gcc; then
1480   GCJ_FOR_TARGET='$$r/gcc/gcj -B$$r/gcc/'
1481 elif test "$host" = "$target"; then
1482   GCJ_FOR_TARGET='gcj'
1483 else
1484   GCJ_FOR_TARGET=`echo gcj | sed -e 's/x/x/' ${program_transform_name}`
1485 fi
1486
1487 if test "x${CXX_FOR_TARGET+set}" = xset; then
1488   :
1489 elif test -d ${topsrcdir}/gcc; then
1490   CXX_FOR_TARGET='$$r/gcc/`case $$dir in libstdc++-v3) echo xgcc ;; *) echo g++ ;; esac` -B$$r/gcc/ -nostdinc++ '$libstdcxx_flags
1491 elif test "$host" = "$target"; then
1492   CXX_FOR_TARGET='$(CXX)'
1493 else
1494   CXX_FOR_TARGET=`echo c++ | sed -e 's/x/x/' ${program_transform_name}`
1495 fi
1496 case $CXX_FOR_TARGET in
1497 *' $(FLAGS_FOR_TARGET)') ;;
1498 *) CXX_FOR_TARGET=$CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)' ;;
1499 esac
1500 qCXX_FOR_TARGET=`echo "$CXX_FOR_TARGET" | sed 's,[&%],\\\&,g'`
1501
1502 # We want to defer the evaluation of `cmd`s and shell variables in
1503 # CXX_FOR_TARGET when recursing in the top-level Makefile, such as for
1504 # bootstrap.  We'll enclose CXX_FOR_TARGET_FOR_RECURSIVE_MAKE in single
1505 # quotes, but we still have to duplicate `$'s so that shell variables
1506 # can be expanded by the nested make as shell variables, not as make
1507 # macros.
1508 qqCXX_FOR_TARGET=`echo "$qCXX_FOR_TARGET" | sed -e 's,[$][$],$$$$,g'`
1509
1510 targargs="--cache-file=../config.cache --host=${target_alias} --build=${build_alias} ${targargs}"
1511 sed -e "s:^TARGET_CONFIGDIRS[   ]*=.*$:TARGET_CONFIGDIRS = ${target_configdirs}:" \
1512     -e "s%^CONFIG_ARGUMENTS[    ]*=.*$%CONFIG_ARGUMENTS = ${targargs}%" \
1513     -e "s%^FLAGS_FOR_TARGET[    ]*=.*$%FLAGS_FOR_TARGET = ${FLAGS_FOR_TARGET}%" \
1514     -e "s%^CC_FOR_TARGET[       ]*=.*$%CC_FOR_TARGET = ${CC_FOR_TARGET}%" \
1515     -e "s%^CHILL_FOR_TARGET[    ]*=.*$%CHILL_FOR_TARGET = ${CHILL_FOR_TARGET}%" \
1516     -e "s%^GCJ_FOR_TARGET[      ]*=.*$%GCJ_FOR_TARGET = ${GCJ_FOR_TARGET}%" \
1517     -e "s%^CXX_FOR_TARGET[      ]*=.*$%CXX_FOR_TARGET = ${qCXX_FOR_TARGET}%" \
1518     -e "s%^CXX_FOR_TARGET_FOR_RECURSIVE_MAKE[   ]*=.*$%CXX_FOR_TARGET_FOR_RECURSIVE_MAKE = ${qqCXX_FOR_TARGET}%" \
1519     -e "s%^TARGET_SUBDIR[       ]*=.*$%TARGET_SUBDIR = ${target_subdir}%" \
1520     -e "s%^gxx_include_dir[     ]*=.*$%gxx_include_dir=${gxx_include_dir}%" \
1521        Makefile > Makefile.tem
1522 rm -f Makefile
1523 mv -f Makefile.tem Makefile
1524
1525 #
1526 # Local Variables:
1527 # fill-column: 131
1528 # End:
1529 #