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, 93, 94, 95, 96, 1997 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 ${host_tools} list after byacc and bison.
  40
  41
  42 # these libraries are used by various programs built for the host environment
  43 #
  44 host_libs="mmalloc libiberty opcodes bfd readline gash db tcl tk tclX itcl tix"
  45
  46 if [ "${enable_gdbgui}" = "yes" ] ; then
  47         host_libs="${host_libs} libgui"
  48 fi
  49
  50 # these tools are built for the host environment
  51 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
  52 # know that we are building the simulator.
  53 host_tools="texinfo byacc flex bison binutils ld gas gcc sim gdb make patch prms send-pr gprof gdbtest tgas etc expect dejagnu bash m4 autoconf automake ispell grep diff rcs cvs fileutils shellutils time textutils wdiff find emacs emacs19 uudecode hello tar gzip indent recode release sed utils guile perl apache inet gawk findutils sn"
  54
  55 # these libraries are built for the target environment, and are built after
  56 # the host libraries and the host tools (which may be a cross compiler)
  57 #
  58 target_libs="target-libiberty target-libgloss target-newlib target-libio target-librx target-libstdc++ target-libg++"
  59
  60
  61 # these tools are built using the target libs, and are intended to run only
  62 # in the target environment
  63 #
  64 # note: any program that *uses* libraries that are in the "target_libs"
  65 # list belongs in this list.  those programs are also very likely
  66 # candidates for the "native_only" list which follows
  67 #
  68 target_tools="target-examples target-groff target-gperf"
  69
  70 ################################################################################
  71
  72 ## These two lists are of directories that are to be removed from the
  73 ## ${configdirs} list for either cross-compilations or for native-
  74 ## compilations.  For example, it doesn't make that much sense to
  75 ## cross-compile Emacs, nor is it terribly useful to compile target-libiberty in
  76 ## a native environment.
  77
  78 # directories to be built in the native environment only
  79 #
  80 # This must be a single line because of the way it is searched by grep in
  81 # the code below.
  82 native_only="autoconf automake cvs emacs emacs19 fileutils find gawk grep gzip hello indent ispell m4 rcs recode sed shellutils tar textutils gash uudecode wdiff gprof target-groff guile perl apache inet time bash prms sn gnuserv target-gperf"
  83
  84 # directories to be built in a cross environment only
  85 #
  86 cross_only="target-libgloss target-newlib"
  87
  88 ## All tools belong in one of the four categories, and are assigned above
  89 ## We assign ${configdirs} this way to remove all embedded newlines.  This
  90 ## is important because configure will choke if they ever get through.
  91 ## ${configdirs} is directories we build using the host tools.
  92 ## ${target_configdirs} is directories we build using the target tools.
  93 #
  94 configdirs=`echo ${host_libs} ${host_tools}`
  95 target_configdirs=`echo ${target_libs} ${target_tools}`
  96
  97 ################################################################################
  98
  99 srctrigger=move-if-change
 100 srcname="gnu development package"
 101
 102 # This gets set non-empty for some net releases of packages.
 103 appdirs=""
 104
 105 # per-host:
 106
 107 # Work in distributions that contain no compiler tools, like Autoconf.
 108 if [ -d ${srcdir}/config ]; then
 109 case "${host}" in
 110   m68k-hp-hpux*)          host_makefile_frag=config/mh-hp300 ;;
 111   m68k-apollo-sysv*)      host_makefile_frag=config/mh-apollo68 ;;
 112   m68k-apollo-bsd*)       host_makefile_frag=config/mh-a68bsd ;;
 113   m88k-dg-dgux*)          host_makefile_frag=config/mh-dgux ;;
 114   m88k-harris-cxux*)      host_makefile_frag=config/mh-cxux ;;
 115   m88k-motorola-sysv*)    host_makefile_frag=config/mh-delta88;;
 116   mips*-dec-ultrix*)      host_makefile_frag=config/mh-decstation ;;
 117   mips*-nec-sysv4*)       host_makefile_frag=config/mh-necv4 ;;
 118   mips*-sgi-irix6*)       host_makefile_frag=config/mh-irix6 ;;
 119   mips*-sgi-irix5*)       host_makefile_frag=config/mh-irix5 ;;
 120   mips*-sgi-irix4*)       host_makefile_frag=config/mh-irix4 ;;
 121   mips*-sgi-irix3*)       host_makefile_frag=config/mh-sysv ;;
 122   mips*-*-sysv4*)         host_makefile_frag=config/mh-sysv4 ;;
 123   mips*-*-sysv*)          host_makefile_frag=config/mh-riscos ;;
 124   i[3456]86-*-dgux*)      host_makefile_frag=config/mh-dgux386 ;;
 125   i[3456]86-ncr-sysv4.3)  host_makefile_frag=config/mh-ncrsvr43 ;;
 126   i[3456]86-ncr-sysv4*)   host_makefile_frag=config/mh-ncr3000 ;;
 127   i[3456]86-*-sco3.2v5*)  host_makefile_frag=config/mh-sysv ;;
 128   i[3456]86-*-sco*)       host_makefile_frag=config/mh-sco ;;
 129   i[3456]86-*-isc*)       host_makefile_frag=config/mh-sysv ;;
 130   i[3456]86-*-solaris2*)  host_makefile_frag=config/mh-sysv4 ;;
 131   i[3456]86-*-aix*)       host_makefile_frag=config/mh-aix386 ;;
 132   i[3456]86-*-go32*)      host_makefile_frag=config/mh-go32 ;;
 133   i[3456]86-*-msdosdjgpp*) host_makefile_frag=config/mh-go32 ;;
 134   *-cygwin32*)            host_makefile_frag=config/mh-cygwin32 ;;
 135   *-windows*)             host_makefile_frag=config/mh-windows ;;
 136   vax-*-ultrix2*)         host_makefile_frag=config/mh-vaxult2 ;;
 137   *-*-solaris2*)          host_makefile_frag=config/mh-solaris ;;
 138   m68k-sun-sunos*)        host_makefile_frag=config/mh-sun3 ;;
 139   *-hp-hpux[78]*)         host_makefile_frag=config/mh-hpux8 ;;
 140   *-hp-hpux*)             host_makefile_frag=config/mh-hpux ;;
 141   *-*-hiux*)              host_makefile_frag=config/mh-hpux ;;
 142   rs6000-*-lynxos*)       host_makefile_frag=config/mh-lynxrs6k ;;
 143   *-*-lynxos*)            host_makefile_frag=config/mh-lynxos ;;
 144   *-*-sysv4*)             host_makefile_frag=config/mh-sysv4 ;;
 145   *-*-sysv*)              host_makefile_frag=config/mh-sysv ;;
 146 esac
 147 fi
 148
 149 # If we aren't going to be using gcc, see if we can extract a definition
 150 # of CC from the fragment.
 151 if [ -z "${CC}" -a "${build}" = "${host}" ]; then
 152   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
 153   found=
 154   for dir in $PATH; do
 155     test -z "$dir" && dir=.
 156     if test -f $dir/gcc; then
 157       found=yes
 158       break
 159     fi
 160   done
 161   IFS="$save_ifs"
 162   if [ -z "${found}" -a -n "${host_makefile_frag}" -a -f "${srcdir}/${host_makefile_frag}" ]; then
 163     xx=`sed -n -e 's/^[         ]*CC[   ]*=[    ]*\(.*\)$/\1/p' < ${srcdir}/${host_makefile_frag}`
 164     if [ -n "${xx}" ] ; then
 165       CC=$xx
 166     fi
 167   fi
 168 fi
 169
 170 # We default to --with-shared on platforms where -fpic is meaningless.
 171 # Well, we don't yet, but we will.
 172 if false && [ "${host}" = "${target}" ] && [ x${enable_shared} = x ]; then
 173   case "${target}" in
 174     alpha-dec-osf*)     enable_shared=yes ;;
 175     alpha-*-linux*)     enable_shared=yes ;;
 176     mips-sgi-irix5*)    enable_shared=yes ;;
 177     *)                  enable_shared=no ;;
 178   esac
 179 fi
 180
 181 case "${enable_shared}" in
 182   yes) shared=yes ;;
 183   no) shared=no ;;
 184   "") shared=no ;;
 185   *) shared=yes ;;
 186 esac
 187
 188 if [ x${shared} = xyes ]; then
 189   waugh=
 190   case "${host}" in
 191     hppa*)              waugh=config/mh-papic ;;
 192     i[3456]86-*)        waugh=config/mh-x86pic ;;
 193     sparc64-*)          waugh=config/mh-sparcpic ;;
 194     powerpc*-*)         waugh=config/mh-ppcpic ;;
 195     *)                  waugh=config/mh-${host_cpu}pic ;;
 196   esac
 197   if [ -f ${srcdir}/${waugh} ]; then
 198     if [ -n "${host_makefile_frag}" ] ; then
 199       cat ${srcdir}/${host_makefile_frag} > mh-frag
 200       cat ${srcdir}/${waugh} >> mh-frag
 201       host_makefile_frag=mh-frag
 202     else
 203       host_makefile_frag=${waugh}
 204     fi
 205   fi
 206 fi
 207
 208 # per-target:
 209
 210 case "${target}" in
 211   v810*)                target_makefile_frag=config/mt-v810 ;;
 212   i[3456]86-*-netware*) target_makefile_frag=config/mt-netware ;;
 213   powerpc-*-netware*)   target_makefile_frag=config/mt-netware ;;
 214 esac
 215
 216 skipdirs=
 217 gasdir=gas
 218 use_gnu_ld=
 219 use_gnu_as=
 220
 221 # some tools are so dependent upon X11 that if we're not building with X,
 222 # it's not even worth trying to configure, much less build, that tool.
 223
 224 case ${with_x} in
 225   yes | "")  # the default value for this tree is that X11 is available
 226         ;;
 227   no)
 228         skipdirs="${skipdirs} tk gash"
 229         ;;
 230   *)
 231         echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2
 232         ;;
 233 esac
 234
 235 # Some tools are only suitable for building in a "native" situation.
 236 # Those are added when we have a host==target configuration.  For cross
 237 # toolchains, we add some directories that should only be useful in a
 238 # cross-compiler.
 239
 240 is_cross_compiler=
 241
 242 if [ x"${host}" = x"${target}" ] ; then
 243         # when doing a native toolchain, don't build the targets
 244         # that are in the 'cross only' list
 245         skipdirs="${skipdirs} ${cross_only}"
 246         is_cross_compiler=no
 247         # Default to --enable-multilib.  See similar code below.
 248         if [ x${enable_multilib} = xno ]; then
 249           target_subdir=.
 250         else
 251           target_subdir=libraries
 252         fi
 253 else
 254         # similarly, don't build the targets in the 'native only'
 255         # list when building a cross compiler
 256         skipdirs="${skipdirs} ${native_only}"
 257         is_cross_compiler=yes
 258         target_subdir=${target_alias}
 259 fi
 260
 261 if [ ! -d ${target_subdir} ] ; then
 262   if mkdir ${target_subdir} ; then true
 263   else
 264     echo "'*** could not make ${PWD=`pwd`}/${target_subdir}" 1>&2
 265     exit 1
 266   fi
 267 fi
 268
 269 copy_dirs=
 270
 271 # Handle --with-headers=XXX.  The contents of the named directory are
 272 # copied to $(tooldir)/sys-include.
 273 if [ x"${with_headers}" != x ]; then
 274   if [ x${is_cross_compiler} = xno ]; then
 275     echo 1>&2 '***' --with-headers is only supported when cross compiling
 276     exit 1
 277   fi
 278   case "${exec_prefixoption}" in
 279   "") x=${prefix} ;;
 280   *) x=${exec_prefix} ;;
 281   esac
 282   copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
 283 fi
 284
 285 # Handle --with-libs=XXX.  Multiple directories are permitted.  The
 286 # contents are copied to $(tooldir)/lib.
 287 if [ x"${with_libs}" != x ]; then
 288   if [ x${is_cross_compiler} = xno ]; then
 289     echo 1>&2 '***' --with-libs is only supported when cross compiling
 290     exit 1
 291   fi
 292   # Copy the libraries in reverse order, so that files in the first named
 293   # library override files in subsequent libraries.
 294   case "${exec_prefixoption}" in
 295   "") x=${prefix} ;;
 296   *) x=${exec_prefix} ;;
 297   esac
 298   for l in ${with_libs}; do
 299     copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
 300   done
 301 fi
 302
 303 # If both --with-headers and --with-libs are specified, default to
 304 # --without-newlib.
 305 if [ x"${with_headers}" != x ] && [ x"${with_libs}" != x ]; then
 306   if [ x"${with_newlib}" = x ]; then
 307     with_newlib=no
 308   fi
 309 fi
 310
 311 # Recognize --with-newlib/--without-newlib.
 312 if [ x${with_newlib} = xno ]; then
 313   skipdirs="${skipdirs} target-newlib"
 314 elif [ x${with_newlib} = xyes ]; then
 315   skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
 316 fi
 317
 318 # Default to using --with-stabs for certain targets.
 319 if [ x${with_stabs} = x ]; then
 320   case "${target}" in
 321   mips*-*-irix6*)
 322     ;;
 323   mips*-*-* | alpha*-*-osf* | i[3456]86*-*-sysv4* | i[3456]86*-*-unixware*)
 324     with_stabs=yes;
 325     withoptions="${withoptions} --with-stabs"
 326     ;;
 327   esac
 328 fi
 329
 330 # Handle ${copy_dirs}
 331 set fnord ${copy_dirs}
 332 shift
 333 while [ $# != 0 ]; do
 334   if [ -f $2/COPIED ] && [ x"`cat $2/COPIED`" = x"$1" ]; then
 335     :
 336   else
 337     echo Copying $1 to $2
 338
 339     # Use the install script to create the directory and all required
 340     # parent directories.
 341     if [ -d $2 ]; then
 342       :
 343     else
 344       echo >config.temp
 345       ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
 346     fi
 347
 348     # Copy the directory, assuming we have tar.
 349     # FIXME: Should we use B in the second tar?  Not all systems support it.
 350     (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
 351
 352     # It is the responsibility of the user to correctly adjust all
 353     # symlinks.  If somebody can figure out how to handle them correctly
 354     # here, feel free to add the code.
 355
 356     echo $1 > $2/COPIED
 357   fi
 358   shift; shift
 359 done
 360
 361 # Configure extra directories which are host specific
 362
 363 case "${host}" in
 364         i[3456]86-*-go32*)
 365           configdirs="$configdirs dosrel" ;;
 366         *-cygwin32*)
 367           configdirs="$configdirs dosrel" ;;
 368 esac
 369
 370 # Remove more programs from consideration, based on the host or
 371 # target this usually means that a port of the program doesn't
 372 # exist yet.
 373
 374 noconfigdirs=""
 375
 376 case "${host}" in
 377   i[3456]86-*-vsta)
 378     noconfigdirs="tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl apache inet itcl tix db sn gnuserv"
 379     ;;
 380   i[3456]86-*-go32* | i[3456]86-*-msdosdjgpp*)
 381     noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl apache inet itcl tix db sn gnuserv"
 382         ;;
 383   *-*-cygwin32)
 384      noconfigdirs="expect dejagnu cvs autoconf automake bison send-pr gprof rcs guile perl texinfo apache inet"
 385     ;;
 386   *-*-windows*)
 387 # This is only used to build WinGDB...
 388 # note that powerpc-eabi depends on sim configured before gdb.
 389      configdirs="bfd libiberty opcodes readline sim gdb"
 390      target_configdirs=
 391     ;;
 392   ppc*-*-pe)
 393      noconfigdirs="patch diff make tk tcl expect dejagnu cvs autoconf automake texinfo bison send-pr gprof rcs guile perl apache inet itcl tix db sn gnuserv"
 394     ;;
 395 esac
 396
 397
 398 case "${target}" in
 399   *-*-netware)
 400     noconfigdirs="$noconfigdirs target-libg++ target-libstdc++ target-librx target-newlib target-libiberty target-libgloss"
 401     ;;
 402   *-*-rtems*)
 403     noconfigdirs="$noconfigdirs target-libgloss"
 404     ;;
 405   *-*-vxworks*)
 406     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 407     ;;
 408   alpha-dec-osf*)
 409     # ld works, but does not support shared libraries.  emacs doesn't
 410     # work.  newlib is not 64 bit ready.  I'm not sure about fileutils.
 411     # gas doesn't generate exception information.
 412     noconfigdirs="$noconfigdirs gas ld emacs fileutils target-newlib target-libgloss"
 413     ;;
 414   alpha*-*-*vms*)
 415     noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss"
 416     ;;
 417   alpha*-*-*)
 418     # newlib is not 64 bit ready
 419     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 420     ;;
 421   arc-*-*)
 422     noconfigdirs="$noconfigdirs target-libgloss"
 423     ;;
 424   arm-*-pe*)
 425     noconfigdirs="$noconfigdirs target-libgloss"
 426     ;;
 427   arm-*-coff*)
 428     noconfigdirs="$noconfigdirs target-libgloss"
 429     ;;
 430   arm-*-riscix*)
 431     noconfigdirs="$noconfigdirs ld target-libgloss"
 432     ;;
 433   d10v-*-*)
 434     noconfigdirs="$noconfigdirs target-librx target-libg++ target-libstdc++ target-libio target-libgloss"
 435     ;;
 436   h8300*-*-* | \
 437   h8500-*-*)
 438     noconfigdirs="$noconfigdirs target-libg++ target-libstdc++ target-libio target-librx target-libgloss"
 439     ;;
 440   hppa*-*-*elf* | \
 441   hppa*-*-lites*)
 442     # Do configure ld/binutils/gas for this case.
 443     ;;
 444   hppa*-*-*)
 445     # HP's C compiler doesn't handle Emacs correctly (but on BSD and Mach
 446     # cc is gcc, and on any system a user should be able to link cc to
 447     # whatever they want.  FIXME, emacs emacs19).
 448     case "${CC}" in
 449         "" | cc*) noconfigdirs="$noconfigdirs emacs emacs19" ;;
 450         *) ;;
 451     esac
 452     noconfigdirs="$noconfigdirs ld shellutils"
 453     ;;
 454   i[3456]86-*-go32* | i[3456]-*-msdosdjgpp*)
 455     # but don't build gdb
 456     noconfigdirs="$noconfigdirs gdb target-libg++ target-libstdc++ target-libio target-librx"
 457     ;;
 458   *-*-cygwin32)
 459     target_configdirs="$target_configdirs target-winsup"
 460     noconfigdirs="$noconfigdirs expect target-libgloss"
 461     # always build newlib.
 462     skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
 463
 464     # Can't build gdb for cygwin32 if not native.
 465     case "${host}" in
 466       *-*-cygwin32) ;; # keep gdb tcl tk expect etc.
 467       *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix db sn gnuserv"
 468          ;;
 469     esac
 470     ;;
 471   i[3456]86-*-pe)
 472     noconfigdirs="$noconfigdirs target-libg++ target-libstdc++ target-libio target-librx target-libgloss"
 473     ;;
 474   i[3456]86-*-sco3.2v5*)
 475     # The linker does not yet know about weak symbols in COFF,
 476     # and is not configured to handle mixed ELF and COFF.
 477     noconfigdirs="$noconfigdirs gprof ld target-libgloss"
 478     ;;
 479   i[3456]86-*-sco*)
 480     noconfigdirs="$noconfigdirs gprof target-libgloss"
 481     ;;
 482   i[3456]86-*-solaris2*)
 483     # The linker does static linking correctly, but the Solaris C library
 484     # has bugs such that some important functions won't work when statically
 485     # linked.  (See man pages for getpwuid, for example.)
 486     noconfigdirs="$noconfigdirs ld target-libgloss"
 487     ;;
 488   i[3456]86-*-sysv4*)
 489     # The SYSV4 C compiler doesn't handle Emacs correctly
 490     case "${CC}" in
 491         "" | cc*) noconfigdirs="$noconfigdirs emacs emacs19" ;;
 492         *) ;;
 493     esac
 494     # but that's okay since emacs doesn't work anyway
 495     noconfigdirs="$noconfigdirs emacs emacs19 target-libgloss"
 496     ;;
 497   mn10200-*-*)
 498     noconfigdirs="$noconfigdirs target-libgloss"
 499     ;;
 500   mn10300-*-*)
 501     noconfigdirs="$noconfigdirs target-libgloss"
 502     ;;
 503   powerpc-*-aix*)
 504     # copied from rs6000-*-* entry
 505     noconfigdirs="$noconfigdirs gprof cvs target-libgloss"
 506     # This is needed until gcc and ld are fixed to work together.
 507     use_gnu_ld=no
 508     ;;
 509   powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
 510     target_configdirs="$target_configdirs target-winsup"
 511     noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl tix db sn gnuserv"
 512     # always build newlib.
 513     skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
 514     ;;
 515     # This is temporary until we can link against shared libraries
 516   powerpcle-*-solaris*)
 517     noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl tix db sn gnuserv"
 518     ;;
 519   rs6000-*-lynxos*)
 520     # The CVS server code doesn't work on the RS/6000
 521     # Newlib makes problems for libg++ in crosses.
 522     noconfigdirs="$noconfigdirs target-newlib gprof cvs"
 523     ;;
 524   rs6000-*-aix*)
 525     noconfigdirs="$noconfigdirs gprof"
 526     # This is needed until gcc and ld are fixed to work together.
 527     use_gnu_ld=no
 528     ;;
 529   rs6000-*-*)
 530     noconfigdirs="$noconfigdirs gprof"
 531     ;;
 532   m68k-apollo-*)
 533     noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
 534     ;;
 535   mips*-*-irix5*)
 536     # The GNU linker does not support shared libraries.
 537     # emacs is emacs 18, which does not work on Irix 5 (emacs19 does work)
 538     noconfigdirs="$noconfigdirs ld gprof emacs target-libgloss"
 539     ;;
 540   mips*-*-irix6*)
 541     # The GNU assembler and linker do not support IRIX 6.
 542     # emacs is emacs 18, which does not work on Irix 5 (emacs19 does work)
 543     noconfigdirs="$noconfigdirs ld gas gprof emacs target-libgloss"
 544     ;;
 545   mips*-dec-bsd*)
 546     noconfigdirs="$noconfigdirs gprof target-libgloss"
 547     ;;
 548   mips*-*-bsd*)
 549     noconfigdirs="$noconfigdirs gprof target-libgloss"
 550     ;;
 551   mips*-*-*)
 552     noconfigdirs="$noconfigdirs gprof"
 553     ;;
 554   romp-*-*)
 555     noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss"
 556     ;;
 557   sh-*-*)
 558     case "${host}" in
 559       i[3456]86-*-vsta) ;; # don't add gprof back in
 560       i[3456]86-*-go32*) ;; # don't add gprof back in
 561       i[3456]86-*-msdosdjgpp*) ;; # don't add gprof back in
 562       *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
 563     esac
 564     noconfigdirs="$noconfigdirs target-libgloss"
 565     ;;
 566   sparc-*-sunos4*)
 567     if [ x${is_cross_compiler} != xno ] ; then
 568            noconfigdirs="$noconfigdirs gdb gdbtest target-newlib target-libgloss"
 569     else
 570            use_gnu_ld=no
 571     fi
 572     ;;
 573   v810-*-*)
 574     noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libio target-libg++ target-libstdc++ opcodes target-libgloss"
 575     ;;
 576   vax-*-vms)
 577     noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss"
 578     ;;
 579   vax-*-*)
 580     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 581     ;;
 582   *-*-lynxos*)
 583     # Newlib makes problems for libg++ in crosses.
 584     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 585     ;;
 586   *-*-macos* | \
 587   *-*-mpw*)
 588     # Macs want a resource compiler.
 589     configdirs="$configdirs grez"
 590     ;;
 591 esac
 592
 593 # targets that need a second pass
 594 case "${target}" in
 595   *-gm-magic*)
 596     noconfigdirs="$noconfigdirs target-libgloss"
 597     ;;
 598 esac
 599
 600 # If we aren't building newlib, then don't build libgloss, since libgloss
 601 # depends upon some newlib header files.
 602 case "${noconfigdirs}" in
 603   *target-libgloss*) ;;
 604   *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
 605 esac
 606
 607 # If we are building a Canadian Cross, discard tools that can not be built
 608 # using a cross compiler.  FIXME: These tools should be fixed.
 609 if [ "${build}" != "${host}" ]; then
 610   noconfigdirs="$noconfigdirs expect dejagnu"
 611 fi
 612
 613 # Make sure we don't let GNU ld be added if we didn't want it.
 614 if [ x$with_gnu_ld = xno ]; then
 615   use_gnu_ld=no
 616   noconfigdirs="$noconfigdirs ld"
 617 fi
 618
 619 # Make sure we don't let GNU as be added if we didn't want it.
 620 if [ x$with_gnu_as = xno ]; then
 621   use_gnu_as=no
 622   noconfigdirs="$noconfigdirs gas"
 623 fi
 624
 625 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs and
 626 # $target_configdirs.
 627 # If we have the source for $noconfigdirs entries, add them to $notsupp.
 628
 629 notsupp=""
 630 for dir in . $skipdirs $noconfigdirs ; do
 631   dirname=`echo $dir | sed -e s/target-//g`
 632   if [ $dir != . ]  && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 633     configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
 634     if [ -r $srcdir/$dirname/configure ] \
 635         || [ -r $srcdir/$dirname/configure.in ]; then
 636       if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 637         true
 638       else
 639         notsupp="$notsupp $dir"
 640       fi
 641     fi
 642   fi
 643   if [ $dir != . ]  && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 644     target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
 645     if [ -r $srcdir/$dirname/configure ] \
 646         || [ -r $srcdir/$dirname/configure.in ]; then
 647       if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 648         true
 649       else
 650         notsupp="$notsupp $dir"
 651       fi
 652     fi
 653   fi
 654 done
 655
 656 # Sometimes the tools are distributed with libiberty but with no other
 657 # libraries.  In that case, we don't want to build target-libiberty.
 658 if [ -n "${target_configdirs}" ]; then
 659   others=
 660   for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
 661     if [ "$i" != "libiberty" ]; then
 662       if [ -r $srcdir/$i/configure ] || [ -r $srcdir/$i/configure.in ]; then
 663         others=yes;
 664         break;
 665       fi
 666     fi
 667   done
 668   if [ -z "${others}" ]; then
 669     target_configdirs=
 670   fi
 671 fi
 672
 673 # Deconfigure all subdirectories, in case we are changing the
 674 # configuration from one where a subdirectory is supported to one where it
 675 # is not.
 676 if [ -z "${norecursion}" -a -n "${configdirs}" ]; then
 677   for i in `echo ${configdirs} | sed -e s/target-//g` ; do
 678     rm -f $i/Makefile
 679   done
 680 fi
 681 if [ -z "${norecursion}" -a -n "${target_configdirs}" ]; then
 682   for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
 683     rm -f ${target_subdir}/$i/Makefile
 684   done
 685 fi
 686
 687 # Produce a warning message for the subdirs we can't configure.
 688 # This isn't especially interesting in the Cygnus tree, but in the individual
 689 # FSF releases, it's important to let people know when their machine isn't
 690 # supported by the one or two programs in a package.
 691
 692 if [ -n "${notsupp}" ] && [ -z "${norecursion}" ]; then
 693   # If $appdirs is non-empty, at least one of those directories must still
 694   # be configured, or we error out.  (E.g., if the gas release supports a
 695   # specified target in some subdirs but not the gas subdir, we shouldn't
 696   # pretend that all is well.)
 697   if [ -n "$appdirs" ]; then
 698     for dir in $appdirs ; do
 699       if [ -r $dir/Makefile.in ]; then
 700         if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 701           appdirs=""
 702           break
 703         fi
 704         if echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 705           appdirs=""
 706           break
 707         fi
 708       fi
 709     done
 710     if [ -n "$appdirs" ]; then
 711       echo "*** This configuration is not supported by this package." 1>&2
 712       exit 1
 713     fi
 714   fi
 715   # Okay, some application will build, or we don't care to check.  Still
 716   # notify of subdirs not getting built.
 717   echo "*** This configuration is not supported in the following subdirectories:" 1>&2
 718   echo "    ${notsupp}" 1>&2
 719   echo "    (Any other directories should still work fine.)" 1>&2
 720 fi
 721
 722 # Set with_gnu_as and with_gnu_ld as appropriate.
 723 #
 724 # This is done by determining whether or not the appropriate directory
 725 # is available, and by checking whether or not specific configurations
 726 # have requested that this magic not happen.
 727 #
 728 # The command line options always override the explicit settings in
 729 # configure.in, and the settings in configure.in override this magic.
 730 #
 731 # If the default for a toolchain is to use GNU as and ld, and you don't
 732 # want to do that, then you should use the --without-gnu-as and
 733 # --without-gnu-ld options for the configure script.
 734
 735 if [ x${use_gnu_as} = x ] ; then
 736   if [ x${with_gnu_as} != xno ] && echo " ${configdirs} " | grep " ${gasdir} " > /dev/null 2>&1 && [ -d ${srcdir}/${gasdir} ] ; then
 737     with_gnu_as=yes
 738     withoptions="$withoptions --with-gnu-as"
 739   fi
 740 fi
 741
 742 if [ x${use_gnu_ld} = x ] ; then
 743   if [ x${with_gnu_ld} != xno ] && echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 && [ -d ${srcdir}/ld ] ; then
 744     with_gnu_ld=yes
 745     withoptions="$withoptions --with-gnu-ld"
 746   fi
 747 fi
 748
 749 # If using newlib, add --with-newlib to the withoptions so that gcc/configure
 750 # can detect this case.
 751
 752 if [ x${with_newlib} != xno ] && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 && [ -d ${srcdir}/newlib ] ; then
 753   with_newlib=yes
 754   withoptions="$withoptions --with-newlib"
 755 fi
 756
 757 if [ x${shared} = xyes ]; then
 758   case "${target}" in
 759     hppa*)              target_makefile_frag=config/mt-papic ;;
 760     i[3456]86-*)        target_makefile_frag=config/mt-x86pic ;;
 761     powerpc*-*)         target_makefile_frag=config/mt-ppcpic ;;
 762     *)                  target_makefile_frag=config/mt-${target_cpu}pic ;;
 763   esac
 764 fi
 765
 766 # post-target:
 767
 768 # Make sure that the compiler is able to generate an executable.  If it
 769 # can't, we are probably in trouble.  We don't care whether we can run the
 770 # executable--we might be using a cross compiler--we only care whether it
 771 # can be created.  At this point the main configure script has set CC.
 772 echo "int main () { return 0; }" > conftest.c
 773 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
 774 if [ $? = 0 ] && [ -s conftest ]; then
 775   :
 776 else
 777   echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
 778   echo 1>&2 "*** You must set the environment variable CC to a working compiler."
 779   rm -f conftest*
 780   exit 1
 781 fi
 782 rm -f conftest*
 783
 784 # The Solaris /usr/ucb/cc compiler does not appear to work.
 785 case "${host}" in
 786   sparc-sun-solaris2*)
 787       CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
 788       if [ "`/usr/bin/which $CCBASE`" = "/usr/ucb/cc" ] ; then
 789           could_use=
 790           [ -d /opt/SUNWspro/bin ] && could_use="/opt/SUNWspro/bin"
 791           if [ -d /opt/cygnus/bin ] ; then
 792               if [ "$could_use" = "" ] ; then
 793                   could_use="/opt/cygnus/bin"
 794               else
 795                   could_use="$could_use or /opt/cygnus/bin"
 796               fi
 797           fi
 798         if [ "$could_use" = "" ] ; then
 799             echo "Warning: compilation may fail because you're using"
 800             echo "/usr/ucb/cc.  You should change your PATH or CC "
 801             echo "variable and rerun configure."
 802         else
 803             echo "Warning: compilation may fail because you're using"
 804             echo "/usr/ucb/cc, when you should use the C compiler from"
 805             echo "$could_use.  You should change your"
 806             echo "PATH or CC variable and rerun configure."
 807         fi
 808       fi
 809   ;;
 810 esac
 811
 812 # If --enable-shared was set, we must set LD_LIBRARY_PATH so that the
 813 # binutils tools will find libbfd.so.
 814 if [ "${shared}" = "yes" ]; then
 815   sed -e 's/^SET_LIB_PATH[      ]*=.*$/SET_LIB_PATH = $(REALLY_SET_LIB_PATH)/' \
 816       Makefile > Makefile.tem
 817   rm -f Makefile
 818   mv -f Makefile.tem Makefile
 819
 820   case "${host}" in
 821   *-*-hpux*)
 822     sed -e 's/RPATH_ENVVAR[     ]*=.*$/RPATH_ENVVAR = SHLIB_PATH/' \
 823         Makefile > Makefile.tem
 824     rm -f Makefile
 825     mv -f Makefile.tem Makefile
 826     ;;
 827   esac
 828 fi
 829
 830 # If we are building for a cygwin32 host, then set INSTALL_PROGRAM_ARGS to
 831 # -x.  This will cause programs to be installed with .exe extensions.
 832 case "${host}" in
 833 *-*-cygwin32*)
 834     sed -e 's/^INSTALL_PROGRAM_ARGS[    ]*=.*$/INSTALL_PROGRAM_ARGS = -x/' \
 835         Makefile > Makefile.tem
 836     rm -f Makefile
 837     mv -f Makefile.tem Makefile
 838     ;;
 839 esac
 840
 841 # Record target_configdirs and the configure arguments in Makefile.
 842 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
 843 targargs=`echo "${arguments}" | \
 844         sed -e 's/--norecursion//' \
 845             -e 's/--cache[a-z-]*=[^     ]*//' \
 846             -e 's/--ho[a-z-]*=[^        ]*//' \
 847             -e 's/--bu[a-z-]*=[^        ]*//' \
 848             -e 's/--ta[a-z-]*=[^        ]*//'`
 849
 850 # Passing a --with-cross-host argument lets the target libraries know
 851 # whether they are being built with a cross-compiler or being built
 852 # native.  However, it would be better to use other mechanisms to make the
 853 # sorts of decisions they want to make on this basis.  Please consider
 854 # this option to be deprecated.  FIXME.
 855 if [ x${is_cross_compiler} = xyes ]; then
 856   targargs="--with-cross-host=${host_alias} ${targargs}"
 857 fi
 858
 859 # Default to --enable-multilib.
 860 if [ x${enable_multilib} = x ]; then
 861   targargs="--enable-multilib ${targargs}"
 862 fi
 863
 864 targargs="--host=${target_alias} --build=${build_alias} ${targargs}"
 865 sed -e "s:^TARGET_CONFIGDIRS[   ]*=.*$:TARGET_CONFIGDIRS = ${target_configdirs}:" \
 866     -e "s%^CONFIG_ARGUMENTS[    ]*=.*$%CONFIG_ARGUMENTS = ${targargs}%" \
 867     -e "s%^TARGET_SUBDIR[       ]*=.*$%TARGET_SUBDIR = ${target_subdir}%" \
 868        Makefile > Makefile.tem
 869 rm -f Makefile
 870 mv -f Makefile.tem Makefile
 871
 872 #
 873 # Local Variables:
 874 # fill-column: 131
 875 # End:
 876 #