configure.in

   1 #   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998,
   2 #   1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
   3 #
   4 # This file is free software; you can redistribute it and/or modify it
   5 # under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 2 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful, but
  10 # WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12 # General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program; if not, write to the Free Software
  16 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  17
  18 ##############################################################################
  19 ### WARNING: this file contains embedded tabs.  Do not run untabify on this file.
  20
  21 AC_INIT(move-if-change)
  22 AC_PREREQ(2.13)
  23 AC_CANONICAL_SYSTEM
  24 AC_ARG_PROGRAM
  25
  26 # Get 'install' or 'install-sh' and its variants.
  27 AC_PROG_INSTALL
  28
  29 sinclude(config/acx.m4)
  30
  31 ### we might need to use some other shell than /bin/sh for running subshells
  32 ### If we are on Windows, search for the shell.  This will permit people
  33 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
  34 ### without also having to set CONFIG_SHELL.  This code will work when
  35 ### using bash, which sets OSTYPE.
  36 case "${OSTYPE}" in
  37 *win32*)
  38   if test x${CONFIG_SHELL} = x ; then
  39     if test ! -f /bin/sh ; then
  40       if test x${SHELL} != x && test -f ${SHELL} ; then
  41         CONFIG_SHELL=${SHELL}
  42         export CONFIG_SHELL
  43       else
  44         for prog in sh sh.exe bash bash.exe; do
  45           IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
  46           for dir in $PATH; do
  47             test -z "$dir" && dir=.
  48             if test -f $dir/$prog; then
  49               CONFIG_SHELL=$dir/$prog
  50               export CONFIG_SHELL
  51               break
  52             fi
  53           done
  54           IFS="$save_ifs"
  55           test -n "${CONFIG_SHELL}" && break
  56         done
  57       fi
  58     fi
  59   fi
  60   ;;
  61 esac
  62
  63 config_shell=${CONFIG_SHELL-/bin/sh}
  64
  65 progname=$0
  66 # if PWD already has a value, it is probably wrong.
  67 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
  68
  69 # Export original configure arguments for use by sub-configures.  These
  70 # will be expanded once by make, and once by the shell, so they need to
  71 # have '$' quoted for make, and then each argument quoted for the shell.
  72 # What's more, the 'echo' below might expand backslashes.
  73 cat <<\EOF_SED > conftestsed
  74 s,\\,\\\\,g; s,\$,$$,g
  75 EOF_SED
  76 tmp="'$progname'"
  77 for ac_arg
  78 do
  79   tmp="$tmp '"`echo "$ac_arg" | sed -f conftestsed`
  80 done
  81 rm -f conftestsed
  82 TOPLEVEL_CONFIGURE_ARGUMENTS="$tmp"
  83 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
  84
  85 moveifchange=${srcdir}/move-if-change
  86
  87 # Set srcdir to "." if that's what it is.
  88 # This is important for multilib support.
  89 pwd=`${PWDCMD-pwd}`
  90 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
  91 if test "${pwd}" = "${srcpwd}" ; then
  92   srcdir=.
  93 fi
  94
  95 topsrcdir=$srcpwd
  96
  97 extra_host_args=
  98 # Define the trigger file to make sure configure will re-run whenever
  99 # the gcc version number changes.
 100 if test "${with_gcc_version_trigger+set}" = set ; then
 101   gcc_version_trigger="$with_gcc_version_trigger"
 102   gcc_version=`grep version_string ${with_gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'`
 103 else
 104   # If gcc's sources are available, define the trigger file.
 105   if test -f ${topsrcdir}/gcc/version.c ; then
 106     gcc_version_trigger=${topsrcdir}/gcc/version.c
 107     gcc_version=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'`
 108     case "$ac_configure_args" in
 109       *--with-gcc-version-trigger=$gcc_version_trigger* )
 110         ;;
 111       * )
 112         # Add to all subconfigure arguments: build, host, and target.
 113         ac_configure_args="$ac_configure_args --with-gcc-version-trigger=$gcc_version_trigger"
 114         ;;
 115     esac
 116   fi
 117 fi
 118
 119 ### To add a new directory to the tree, first choose whether it is a target
 120 ### or a host dependent tool.  Then put it into the appropriate list
 121 ### (library or tools, host or target), doing a dependency sort.
 122
 123 # Subdirs will be configured in the order listed in build_configdirs,
 124 # configdirs, or target_configdirs; see the serialization section below.
 125
 126 # Dependency sorting is only needed when *configuration* must be done in
 127 # a particular order.  In all cases a dependency should be specified in
 128 # the Makefile, whether or not it's implicitly specified here.
 129
 130 # Double entries in build_configdirs, configdirs, or target_configdirs may
 131 # cause circular dependencies and break everything horribly.
 132
 133 # these libraries are used by various programs built for the host environment
 134 #
 135 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl tix libgui zlib"
 136
 137 # these tools are built for the host environment
 138 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
 139 # know that we are building the simulator.
 140 # binutils, gas and ld appear in that order because it makes sense to run
 141 # "make check" in that particular order.
 142 host_tools="texinfo byacc flex bison binutils gas ld gcc sid sim gdb make patch prms send-pr gprof etc expect dejagnu ash bash bzip2 m4 autoconf automake libtool diff rcs fileutils shellutils time textutils wdiff find uudecode hello tar gzip indent recode release sed utils guile perl gawk findutils gettext zip fastjar"
 143
 144 # libgcj represents the runtime libraries only used by gcj.
 145 libgcj="target-libffi \
 146         target-boehm-gc \
 147         target-zlib \
 148         target-qthreads \
 149         target-libjava"
 150
 151 # these libraries are built for the target environment, and are built after
 152 # the host libraries and the host tools (which may be a cross compiler)
 153 #
 154 target_libraries="target-libiberty \
 155                 target-libgloss \
 156                 target-newlib \
 157                 target-libstdc++-v3 \
 158                 target-libf2c \
 159                 ${libgcj} \
 160                 target-libobjc"
 161
 162 # these tools are built using the target libraries, and are intended to
 163 # run only in the target environment
 164 #
 165 # note: any program that *uses* libraries that are in the "target_libraries"
 166 # list belongs in this list.  those programs are also very likely
 167 # candidates for the "native_only" list which follows
 168 #
 169 target_tools="target-examples target-groff target-gperf target-rda"
 170
 171 ################################################################################
 172
 173 ## All tools belong in one of the four categories, and are assigned above
 174 ## We assign ${configdirs} this way to remove all embedded newlines.  This
 175 ## is important because configure will choke if they ever get through.
 176 ## ${configdirs} is directories we build using the host tools.
 177 ## ${target_configdirs} is directories we build using the target tools.
 178 #
 179 configdirs=`echo ${host_libs} ${host_tools}`
 180 target_configdirs=`echo ${target_libraries} ${target_tools}`
 181
 182 # Only make build modules if build != host.
 183 # This should be done more generally, but at the moment it doesn't matter.
 184 if test ${host_alias} != ${build_alias} ; then
 185   # This is the only build module.
 186   build_modules=libiberty
 187 else
 188   build_modules=
 189 fi
 190
 191
 192 ################################################################################
 193
 194 srcname="gnu development package"
 195
 196 # This gets set non-empty for some net releases of packages.
 197 appdirs=""
 198
 199 # Define is_cross_compiler to save on calls to 'test'.
 200 is_cross_compiler=
 201 if test x"${host}" = x"${target}" ; then
 202   is_cross_compiler=no
 203 else
 204   is_cross_compiler=yes
 205 fi
 206
 207 # Find the build and target subdir names.
 208 GCC_TOPLEV_SUBDIRS
 209
 210 # Skipdirs are removed silently.
 211 skipdirs=
 212 # Noconfigdirs are removed loudly.
 213 noconfigdirs=""
 214
 215 use_gnu_ld=
 216 # Make sure we don't let GNU ld be added if we didn't want it.
 217 if test x$with_gnu_ld = xno ; then
 218   use_gnu_ld=no
 219   noconfigdirs="$noconfigdirs ld"
 220 fi
 221
 222 use_gnu_as=
 223 # Make sure we don't let GNU as be added if we didn't want it.
 224 if test x$with_gnu_as = xno ; then
 225   use_gnu_as=no
 226   noconfigdirs="$noconfigdirs gas"
 227 fi
 228
 229 # some tools are so dependent upon X11 that if we're not building with X,
 230 # it's not even worth trying to configure, much less build, that tool.
 231
 232 case ${with_x} in
 233   yes | "") ;; # the default value for this tree is that X11 is available
 234   no)
 235     skipdirs="${skipdirs} tk tix itcl libgui"
 236     # We won't be able to build gdbtk without X.
 237     enable_gdbtk=no
 238     ;;
 239   *)  echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
 240 esac
 241
 242 # Some tools are only suitable for building in a "native" situation.
 243 # Remove these if host!=target.
 244 native_only="autoconf automake libtool fileutils find gawk gettext gzip hello indent m4 rcs recode sed shellutils tar textutils uudecode wdiff gprof target-groff guile perl time ash bash bzip2 prms gnuserv target-gperf"
 245
 246 # Similarly, some are only suitable for cross toolchains.
 247 # Remove these if host=target.
 248 cross_only="target-libgloss target-newlib target-opcodes"
 249
 250 case $is_cross_compiler in
 251   no) skipdirs="${skipdirs} ${cross_only}" ;;
 252   yes) skipdirs="${skipdirs} ${native_only}" ;;
 253 esac
 254
 255 # If both --with-headers and --with-libs are specified, default to
 256 # --without-newlib.
 257 if test x"${with_headers}" != x && test x"${with_headers} != xno \
 258    && test x"${with_libs}" != x && test x"${with_libs} != xno ; then
 259   if test x"${with_newlib}" = x ; then
 260     with_newlib=no
 261   fi
 262 fi
 263
 264 # Recognize --with-newlib/--without-newlib.
 265 case ${with_newlib} in
 266   no) skipdirs="${skipdirs} target-newlib" ;;
 267   yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
 268 esac
 269
 270 # Configure extra directories which are host specific
 271
 272 case "${host}" in
 273   *-cygwin*)
 274     configdirs="$configdirs libtermcap" ;;
 275 esac
 276
 277 # Remove more programs from consideration, based on the host or
 278 # target this usually means that a port of the program doesn't
 279 # exist yet.
 280
 281 case "${host}" in
 282   hppa*64*-*-*)
 283     noconfigdirs="$noconfigdirs byacc"
 284     ;;
 285   i[[3456789]]86-*-vsta)
 286     noconfigdirs="tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl tix gnuserv gettext"
 287     ;;
 288   i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
 289     noconfigdirs="tcl tk expect dejagnu send-pr uudecode guile itcl tix gnuserv libffi"
 290     ;;
 291   i[[3456789]]86-*-mingw32*)
 292     # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl tix gnuserv"
 293     noconfigdirs="expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool"
 294     ;;
 295   i[[3456789]]86-*-beos*)
 296     noconfigdirs="$noconfigdirs tk itcl tix libgui gdb"
 297     ;;
 298   *-*-cygwin*)
 299     noconfigdirs="autoconf automake send-pr rcs guile perl"
 300     ;;
 301   *-*-netbsd*)
 302     noconfigdirs="rcs"
 303     ;;
 304   ppc*-*-pe)
 305     noconfigdirs="patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl tix gnuserv"
 306     ;;
 307   powerpc-*-beos*)
 308     noconfigdirs="$noconfigdirs tk itcl tix libgui gdb dejagnu readline"
 309     ;;
 310   *-*-darwin*)
 311     noconfigdirs="$noconfigdirs tk itcl tix libgui"
 312     ;;
 313 esac
 314
 315 # Save it here so that, even in case of --enable-libgcj, if the Java
 316 # front-end isn't enabled, we still get libgcj disabled.
 317 libgcj_saved=$libgcj
 318 case $enable_libgcj in
 319 yes)
 320   # If we reset it here, it won't get added to noconfigdirs in the
 321   # target-specific build rules, so it will be forcibly enabled
 322   # (unless the Java language itself isn't enabled).
 323   libgcj=
 324   ;;
 325 no)
 326   # Make sure we get it printed in the list of not supported target libs.
 327   noconfigdirs="$noconfigdirs ${libgcj}"
 328   ;;
 329 esac
 330
 331 case "${target}" in
 332   *-*-chorusos)
 333     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 334     ;;
 335   powerpc-*-darwin*)
 336     noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
 337     noconfigdirs="$noconfigdirs target-libobjc"
 338     ;;
 339   *-*-darwin*)
 340     noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
 341     noconfigdirs="$noconfigdirs target-libobjc ${libgcj}"
 342     ;;
 343   *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
 344     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 345     ;;
 346   *-*-kaos*)
 347     # Remove unsupported stuff on all kaOS configurations.
 348     skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-libf2c target-librx"
 349     skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
 350     skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
 351     noconfigdirs="$noconfigdirs target-libgloss"
 352     ;;
 353   *-*-netbsd*)
 354     # Skip some stuff on all NetBSD configurations.
 355     noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
 356
 357     # Skip some stuff that's unsupported on some NetBSD configurations.
 358     case "${target}" in
 359       i*86-*-netbsdelf*) ;;
 360       arm*-*-netbsdelf*) ;;
 361       *)
 362         noconfigdirs="$noconfigdirs ${libgcj}"
 363         ;;
 364     esac
 365     ;;
 366   *-*-netware)
 367     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-newlib target-libiberty target-libgloss ${libgcj}"
 368     ;;
 369   *-*-rtems*)
 370     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 371     case ${target} in
 372         h8300*-*-* | h8500-*-*)
 373           noconfigdirs="$noconfigdirs target-libf2c"
 374           ;;
 375         *) ;;
 376     esac
 377     ;;
 378   *-*-vxworks*)
 379     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 380     ;;
 381   alpha*-dec-osf*)
 382     # ld works, but does not support shared libraries.
 383     # newlib is not 64 bit ready.  I'm not sure about fileutils.
 384     # gas doesn't generate exception information.
 385     noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
 386     ;;
 387   alpha*-*-*vms*)
 388     noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
 389     ;;
 390   alpha*-*-linux*)
 391     # newlib is not 64 bit ready
 392     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 393     ;;
 394   alpha*-*-freebsd* | alpha*-*-kfreebsd*-gnu)
 395     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 396     ;;
 397   alpha*-*-*)
 398     # newlib is not 64 bit ready
 399     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 400     ;;
 401   am33_2.0-*-linux*)
 402     noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
 403     ;;
 404   sh-*-linux*)
 405     noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
 406     ;;
 407   sh*-*-pe|mips*-*-pe|*arm-wince-pe)
 408     noconfigdirs="$noconfigdirs ${libgcj}"
 409     noconfigdirs="$noconfigdirs target-examples"
 410     noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
 411     noconfigdirs="$noconfigdirs tcl tix tk itcl libgui sim"
 412     noconfigdirs="$noconfigdirs expect dejagnu"
 413     # the C++ libraries don't build on top of CE's C libraries
 414     noconfigdirs="$noconfigdirs target-libstdc++-v3"
 415     noconfigdirs="$noconfigdirs target-newlib"
 416     case "${host}" in
 417       *-*-cygwin*) ;; # keep gdb and readline
 418       *) noconfigdirs="$noconfigdirs gdb readline"
 419          ;;
 420     esac
 421     ;;
 422   arc-*-*)
 423     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 424     ;;
 425   arm-*-coff | strongarm-*-coff | xscale-*-coff)
 426     noconfigdirs="$noconfigdirs ${libgcj}"
 427     ;;
 428   arm-*-elf* | strongarm-*-elf* | xscale-*-elf*)
 429     noconfigdirs="$noconfigdirs target-libffi target-qthreads"
 430     ;;
 431   arm-*-pe*)
 432     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 433     ;;
 434   arm-*-oabi*)
 435     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 436     ;;
 437   thumb-*-coff)
 438     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 439     ;;
 440   thumb-*-elf)
 441     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 442     ;;
 443   thumb-*-oabi)
 444     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 445     ;;
 446   thumb-*-pe)
 447     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 448     ;;
 449   arm-*-riscix*)
 450     noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
 451     ;;
 452   avr-*-*)
 453     noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
 454     ;;
 455   c4x-*-* | tic4x-*-*)
 456     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
 457     ;;
 458   c54x*-*-* | tic54x-*-*)
 459     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
 460     ;;
 461   cris-*-*)
 462     noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
 463     ;;
 464   d10v-*-*)
 465     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
 466     ;;
 467   d30v-*-*)
 468     noconfigdirs="$noconfigdirs ${libgcj} gdb"
 469     ;;
 470   fr30-*-elf*)
 471     noconfigdirs="$noconfigdirs ${libgcj} gdb"
 472     ;;
 473   frv-*-*)
 474     noconfigdirs="$noconfigdirs ${libgcj}"
 475     ;;
 476   h8300*-*-*)
 477     noconfigdirs="$noconfigdirs target-libgloss ${libgcj} target-libf2c"
 478     ;;
 479   h8500-*-*)
 480     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} target-libf2c"
 481     ;;
 482   hppa*64*-*-linux* | parisc*64*-*-linux*)
 483     # In this case, it's because the hppa64-linux target is for
 484     # the kernel only at this point and has no libc, and thus no
 485     # headers, crt*.o, etc., all of which are needed by these.
 486     noconfigdirs="$noconfigdirs target-zlib"
 487     ;;
 488   hppa*-*-*elf* | \
 489   parisc*-*-linux* | hppa*-*-linux* | \
 490   hppa*-*-lites* | \
 491   hppa*-*-openbsd* | \
 492   hppa*64*-*-*)
 493     noconfigdirs="$noconfigdirs ${libgcj}"
 494     # Do configure ld/binutils/gas for this case.
 495     ;;
 496   hppa*-*-*)
 497     # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
 498     # build on HP-UX 10.20.
 499     noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
 500     ;;
 501   i960-*-*)
 502     noconfigdirs="$noconfigdirs ${libgcj} gdb"
 503     ;;
 504   ia64*-*-elf*)
 505     # No gdb support yet.
 506     noconfigdirs="$noconfigdirs tix readline mmalloc libgui itcl gdb"
 507     ;;
 508   ia64*-**-hpux*)
 509     # No gdb or ld support yet.
 510     noconfigdirs="$noconfigdirs tix readline mmalloc libgui itcl gdb ld"
 511     ;;
 512   i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
 513     noconfigdirs="$noconfigdirs ${libgcj}"
 514     ;;
 515   i[[3456789]]86-*-freebsd* | i[[3456789]]86-*-kfreebsd*-gnu)
 516     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 517     ;;
 518   i[[3456789]]86-*-linux*)
 519     # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
 520     # not build java stuff by default.
 521     case "${target}" in
 522       *-*-*libc1*)
 523         noconfigdirs="$noconfigdirs ${libgcj}";;
 524     esac
 525
 526     # This section makes it possible to build newlib natively on linux.
 527     # If we are using a cross compiler then don't configure newlib.
 528     if test x${is_cross_compiler} != xno ; then
 529       noconfigdirs="$noconfigdirs target-newlib"
 530     fi
 531     noconfigdirs="$noconfigdirs target-libgloss"
 532     # If we are not using a cross compiler, do configure newlib.
 533     # Note however, that newlib will only be configured in this situation
 534     # if the --with-newlib option has been given, because otherwise
 535     # 'target-newlib' will appear in skipdirs.
 536     ;;
 537   i[[3456789]]86-*-mingw32*)
 538     target_configdirs="$target_configdirs target-mingw"
 539     noconfigdirs="$noconfigdirs expect target-libgloss ${libgcj}"
 540
 541     # Can't build gdb for mingw32 if not native.
 542     case "${host}" in
 543       i[[3456789]]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
 544       *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix gnuserv"
 545          ;;
 546     esac
 547     ;;
 548   *-*-cygwin*)
 549     target_configdirs="$target_configdirs target-libtermcap target-winsup"
 550     noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
 551     # always build newlib.
 552     skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
 553
 554     # Can't build gdb for Cygwin if not native.
 555     case "${host}" in
 556       *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
 557       *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix libgui gnuserv"
 558          ;;
 559     esac
 560     ;;
 561   i[[3456789]]86-*-pe)
 562     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
 563     ;;
 564   i[[3456789]]86-*-sco3.2v5*)
 565     # The linker does not yet know about weak symbols in COFF,
 566     # and is not configured to handle mixed ELF and COFF.
 567     noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
 568     ;;
 569   i[[3456789]]86-*-sco*)
 570     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 571     ;;
 572   i[[3456789]]86-*-solaris2*)
 573     noconfigdirs="$noconfigdirs target-libgloss"
 574     ;;
 575   i[[3456789]]86-*-sysv4*)
 576     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 577     ;;
 578   i[[3456789]]86-*-beos*)
 579     noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
 580     ;;
 581   m32r-*-*)
 582     noconfigdirs="$noconfigdirs ${libgcj}"
 583     ;;
 584   m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
 585     noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
 586     ;;
 587   m68k-*-elf*)
 588     noconfigdirs="$noconfigdirs ${libgcj}"
 589     ;;
 590   m68k-*-coff*)
 591     noconfigdirs="$noconfigdirs ${libgcj}"
 592     ;;
 593   mcore-*-pe*)
 594   # The EPOC C++ environment does not support exceptions or rtti,
 595   # and so building libstdc++-v3 tends not to always work.
 596     noconfigdirs="$noconfigdirs target-libstdc++-v3"
 597     ;;
 598   mmix-*-*)
 599     noconfigdirs="$noconfigdirs ${libgcj} gdb libgloss"
 600     ;;
 601   mn10200-*-*)
 602     noconfigdirs="$noconfigdirs ${libgcj}"
 603     ;;
 604   mn10300-*-*)
 605     noconfigdirs="$noconfigdirs ${libgcj}"
 606     ;;
 607   powerpc-*-aix*)
 608     # copied from rs6000-*-* entry
 609     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 610     ;;
 611   powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
 612     target_configdirs="$target_configdirs target-winsup"
 613     noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl tix gnuserv ${libgcj}"
 614     # always build newlib.
 615     skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
 616     ;;
 617     # This is temporary until we can link against shared libraries
 618   powerpcle-*-solaris*)
 619     noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl tix gnuserv ${libgcj}"
 620     ;;
 621   powerpc-*-beos*)
 622     noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
 623     ;;
 624   powerpc-*-eabi)
 625     noconfigdirs="$noconfigdirs ${libgcj}"
 626     ;;
 627   rs6000-*-lynxos*)
 628     noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
 629     ;;
 630   rs6000-*-aix*)
 631     noconfigdirs="$noconfigdirs gprof ${libgcj}"
 632     ;;
 633   rs6000-*-*)
 634     noconfigdirs="$noconfigdirs gprof ${libgcj}"
 635     ;;
 636   m68k-apollo-*)
 637     noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
 638     ;;
 639   mips*-*-irix5*)
 640     # The GNU linker does not support shared libraries.
 641     noconfigdirs="$noconfigdirs ld gprof target-libgloss ${libgcj}"
 642     ;;
 643   mips*-*-irix6*)
 644     # Linking libjava exceeds command-line length limits on at least
 645     # IRIX 6.2, but not on IRIX 6.5.
 646     # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
 647     # <oldham@codesourcery.com>
 648     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 649     ;;
 650   mips*-dec-bsd*)
 651     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 652     ;;
 653   mips*-*-bsd*)
 654     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 655     ;;
 656   mipstx39-*-*)
 657     noconfigdirs="$noconfigdirs gprof ${libgcj}"   # same as generic mips
 658     ;;
 659   mips*-*-linux*)
 660     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 661     ;;
 662   mips*-*-*)
 663     noconfigdirs="$noconfigdirs gprof ${libgcj}"
 664     ;;
 665   romp-*-*)
 666     noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
 667     ;;
 668   sh-*-*)
 669     case "${host}" in
 670       i[[3456789]]86-*-vsta) ;; # don't add gprof back in
 671       i[[3456789]]86-*-go32*) ;; # don't add gprof back in
 672       i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
 673       *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
 674     esac
 675     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 676     ;;
 677   sh64-*-*)
 678     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 679     ;;
 680   sparc-*-elf*)
 681     noconfigdirs="$noconfigdirs ${libgcj}"
 682     ;;
 683   sparc64-*-elf*)
 684     noconfigdirs="$noconfigdirs ${libgcj}"
 685     ;;
 686   sparclite-*-*)
 687     noconfigdirs="$noconfigdirs ${libgcj}"
 688     ;;
 689   sparc-*-sunos4*)
 690     noconfigdirs="$noconfigdirs ${libgcj}"
 691     if test x${is_cross_compiler} != xno ; then
 692            noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
 693     else
 694            use_gnu_ld=no
 695     fi
 696     ;;
 697   sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
 698     ;;
 699   v810-*-*)
 700     noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
 701     ;;
 702   v850-*-*)
 703     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 704     ;;
 705   v850e-*-*)
 706     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 707     ;;
 708   v850ea-*-*)
 709     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 710     ;;
 711   vax-*-vms)
 712     noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
 713     ;;
 714   vax-*-*)
 715     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 716     ;;
 717   xtensa-*-*)
 718     noconfigdirs="$noconfigdirs ${libgcj}"
 719     ;;
 720   ip2k-*-*)
 721     noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
 722     ;;
 723   *-*-linux*)
 724     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 725     ;;
 726   *-*-lynxos*)
 727     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 728     ;;
 729   *-*-*)
 730     noconfigdirs="$noconfigdirs ${libgcj}"
 731     ;;
 732 esac
 733
 734 # If we aren't building newlib, then don't build libgloss, since libgloss
 735 # depends upon some newlib header files.
 736 case "${noconfigdirs}" in
 737   *target-libgloss*) ;;
 738   *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
 739 esac
 740
 741 # Figure out what language subdirectories are present.
 742 # Look if the user specified --enable-languages="..."; if not, use
 743 # the environment variable $LANGUAGES if defined. $LANGUAGES might
 744 # go away some day.
 745 # NB:  embedded tabs in this IF block -- do not untabify
 746 if test x"${enable_languages+set}" != xset; then
 747   if test x"${LANGUAGES+set}" = xset; then
 748     enable_languages="${LANGUAGES}"
 749       echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
 750   else
 751     enable_languages=all
 752   fi
 753 else
 754   if test x"${enable_languages}" = x ||
 755      test x"${enable_languages}" = xyes;
 756      then
 757     echo configure.in: --enable-languages needs at least one language argument 1>&2
 758     exit 1
 759   fi
 760 fi
 761 enable_languages=`echo "${enable_languages}" | sed -e 's/[[     ,]][[   ,]]*/,/g' -e 's/,$//'`
 762
 763 # First scan to see if an enabled language requires some other language.
 764 # We assume that a given config-lang.in will list all the language
 765 # front ends it requires, even if some are required indirectly.
 766 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
 767   case ${lang_frag} in
 768     ..) ;;
 769     # The odd quoting in the next line works around
 770     # an apparent bug in bash 1.12 on linux.
 771     ${srcdir}/gcc/[[*]]/config-lang.in) ;;
 772     *)
 773       # From the config-lang.in, get $language, $lang_requires
 774       language=
 775       lang_requires=
 776       . ${lang_frag}
 777       for other in ${lang_requires} ; do
 778         case ,${enable_languages}, in
 779           *,$other,*) ;;
 780           *,all,*) ;;
 781           *,$language,*)
 782             echo " \`$other' language required by \`$language'; enabling" 1>&2
 783             enable_languages="${enable_languages},${other}"
 784             ;;
 785         esac
 786       done
 787       ;;
 788   esac
 789 done
 790
 791 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
 792   case ${lang_frag} in
 793     ..) ;;
 794     # The odd quoting in the next line works around
 795     # an apparent bug in bash 1.12 on linux.
 796     ${srcdir}/gcc/[[*]]/config-lang.in) ;;
 797     *)
 798       # From the config-lang.in, get $language, $target_libs,
 799       # $lang_dirs, and $build_by_default
 800       language=
 801       target_libs=
 802       lang_dirs=
 803       build_by_default=
 804       . ${lang_frag}
 805       if test "x$language" = x ; then
 806         echo "${lang_frag} doesn't set \$language." 1>&2
 807         exit 1
 808       fi
 809       case ,${enable_languages}, in
 810         *,${language},*)
 811           # Language was explicitly selected; include it.
 812           add_this_lang=yes
 813           ;;
 814         *,all,*)
 815           # 'all' was selected; include 'default' languages.
 816           case ${build_by_default} in
 817             no) add_this_lang=no ;;
 818             *) add_this_lang=yes ;;
 819           esac
 820           ;;
 821         *) add_this_lang=no ;;
 822       esac
 823       case ${add_this_lang} in
 824         no)
 825           # Remove language-dependent dirs.
 826           eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
 827           ;;
 828       esac
 829       ;;
 830   esac
 831 done
 832
 833 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs and
 834 # $target_configdirs.
 835 # If we have the source for $noconfigdirs entries, add them to $notsupp.
 836
 837 notsupp=""
 838 for dir in . $skipdirs $noconfigdirs ; do
 839   dirname=`echo $dir | sed -e s/target-//g`
 840   if test $dir != .  && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 841     configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
 842     if test -r $srcdir/$dirname/configure ; then
 843       if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 844         true
 845       else
 846         notsupp="$notsupp $dir"
 847       fi
 848     fi
 849   fi
 850   if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 851     target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
 852     if test -r $srcdir/$dirname/configure ; then
 853       if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 854         true
 855       else
 856         notsupp="$notsupp $dir"
 857       fi
 858     fi
 859   fi
 860 done
 861
 862 # Sometimes the tools are distributed with libiberty but with no other
 863 # libraries.  In that case, we don't want to build target-libiberty.
 864 if test -n "${target_configdirs}" ; then
 865   others=
 866   for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
 867     if test "$i" != "libiberty" ; then
 868       if test -r $srcdir/$i/configure ; then
 869         others=yes;
 870         break;
 871       fi
 872     fi
 873   done
 874   if test -z "${others}" ; then
 875     target_configdirs=
 876   fi
 877 fi
 878
 879 # Quietly strip out all directories which aren't configurable in this tree.
 880 # This relies on all configurable subdirectories being autoconfiscated, which
 881 # is now the case.
 882 configdirs_all="$configdirs"
 883 configdirs=
 884 for i in ${configdirs_all} ; do
 885   if test -f ${srcdir}/$i/configure ; then
 886     configdirs="${configdirs} $i"
 887   fi
 888 done
 889 target_configdirs_all="$target_configdirs"
 890 target_configdirs=
 891 for i in ${target_configdirs_all} ; do
 892   j=`echo $i | sed -e s/target-//g`
 893   if test -f ${srcdir}/$j/configure ; then
 894     target_configdirs="${target_configdirs} $i"
 895   fi
 896 done
 897
 898 # Produce a warning message for the subdirs we can't configure.
 899 # This isn't especially interesting in the Cygnus tree, but in the individual
 900 # FSF releases, it's important to let people know when their machine isn't
 901 # supported by the one or two programs in a package.
 902
 903 if test -n "${notsupp}" && test -z "${norecursion}" ; then
 904   # If $appdirs is non-empty, at least one of those directories must still
 905   # be configured, or we error out.  (E.g., if the gas release supports a
 906   # specified target in some subdirs but not the gas subdir, we shouldn't
 907   # pretend that all is well.)
 908   if test -n "$appdirs" ; then
 909     for dir in $appdirs ; do
 910       if test -r $dir/Makefile.in ; then
 911         if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 912           appdirs=""
 913           break
 914         fi
 915         if echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 916           appdirs=""
 917           break
 918         fi
 919       fi
 920     done
 921     if test -n "$appdirs" ; then
 922       echo "*** This configuration is not supported by this package." 1>&2
 923       exit 1
 924     fi
 925   fi
 926   # Okay, some application will build, or we don't care to check.  Still
 927   # notify of subdirs not getting built.
 928   echo "*** This configuration is not supported in the following subdirectories:" 1>&2
 929   echo "    ${notsupp}" 1>&2
 930   echo "    (Any other directories should still work fine.)" 1>&2
 931 fi
 932
 933 case "$host" in
 934   *msdosdjgpp*)
 935     enable_gdbtk=no ;;
 936 esac
 937
 938 copy_dirs=
 939
 940 # Handle --with-headers=XXX.  If the value is not "yes", the contents of
 941 # the named directory are copied to $(tooldir)/sys-include.
 942 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
 943   if test x${is_cross_compiler} = xno ; then
 944     echo 1>&2 '***' --with-headers is only supported when cross compiling
 945     exit 1
 946   fi
 947   if test x"${with_headers}" != xyes ; then
 948     case "${exec_prefixoption}" in
 949     "") x=${prefix} ;;
 950     *) x=${exec_prefix} ;;
 951     esac
 952     copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
 953   fi
 954 fi
 955
 956 # Handle --with-libs=XXX.  If the value is not "yes", the contents of
 957 # the name directories are copied to $(tooldir)/lib.  Multiple directories
 958 # are permitted.
 959 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
 960   if test x${is_cross_compiler} = xno ; then
 961     echo 1>&2 '***' --with-libs is only supported when cross compiling
 962     exit 1
 963   fi
 964   if test x"${with_libs}" != xyes ; then
 965     # Copy the libraries in reverse order, so that files in the first named
 966     # library override files in subsequent libraries.
 967     case "${exec_prefixoption}" in
 968     "") x=${prefix} ;;
 969     *) x=${exec_prefix} ;;
 970     esac
 971     for l in ${with_libs}; do
 972       copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
 973     done
 974   fi
 975 fi
 976
 977 # Handle ${copy_dirs}
 978 set fnord ${copy_dirs}
 979 shift
 980 while test $# != 0 ; do
 981   if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
 982     :
 983   else
 984     echo Copying $1 to $2
 985
 986     # Use the install script to create the directory and all required
 987     # parent directories.
 988     if test -d $2 ; then
 989       :
 990     else
 991       echo >config.temp
 992       ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
 993     fi
 994
 995     # Copy the directory, assuming we have tar.
 996     # FIXME: Should we use B in the second tar?  Not all systems support it.
 997     (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
 998
 999     # It is the responsibility of the user to correctly adjust all
1000     # symlinks.  If somebody can figure out how to handle them correctly
1001     # here, feel free to add the code.
1002
1003     echo $1 > $2/COPIED
1004   fi
1005   shift; shift
1006 done
1007
1008 # Work in distributions that contain no compiler tools, like Autoconf.
1009 tentative_cc=""
1010 host_makefile_frag=/dev/null
1011 if test -d ${srcdir}/config ; then
1012 case "${host}" in
1013   m68k-hp-hpux*)
1014     # Avoid "too much defining" errors from HPUX compiler.
1015     tentative_cc="cc -Wp,-H256000"
1016     # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
1017     # If it's HP/UX ar, this should be harmless.
1018     RANLIB="ar ts"
1019     ;;
1020   m68k-apollo-sysv*)
1021     tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
1022     ;;
1023   m68k-apollo-bsd*)
1024     #None of the Apollo compilers can compile gas or binutils.  The preprocessor
1025     # chokes on bfd, the compiler won't let you assign integers to enums, and
1026     # other problems.  Defining CC to gcc is a questionable way to say "don't use
1027     # the apollo compiler" (the preferred version of GCC could be called cc,
1028     # or whatever), but I'm not sure leaving CC as cc is any better...
1029     #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
1030     # Used to have BISON=yacc.
1031     tentative_cc=gcc
1032     ;;
1033   m88k-dg-dgux*)
1034     tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1035     ;;
1036   m88k-harris-cxux*)
1037     # Under CX/UX, we want to tell the compiler to use ANSI mode.
1038     tentative_cc="cc -Xa"
1039     host_makefile_frag="config/mh-cxux"
1040     ;;
1041   m88k-motorola-sysv*)
1042     ;;
1043   mips*-dec-ultrix*)
1044     tentative_cc="cc -Wf,-XNg1000"
1045     host_makefile_frag="config/mh-decstation"
1046     ;;
1047   mips*-nec-sysv4*)
1048     # The C compiler on NEC MIPS SVR4 needs bigger tables.
1049     tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
1050     host_makefile_frag="config/mh-necv4"
1051     ;;
1052   mips*-sgi-irix4*)
1053     # Tell compiler to use K&R C.  We can't compile under the SGI Ansi
1054     # environment.  Also bump switch table size so that cp-parse will
1055     # compile.  Bump string length limit so linker builds.
1056     tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
1057     ;;
1058   mips*-*-sysv4*)
1059     host_makefile_frag="config/mh-sysv4"
1060     ;;
1061   mips*-*-sysv*)
1062     # This is for a MIPS running RISC/os 4.52C.
1063
1064     # This is needed for GDB, but needs to be in the top-level make because
1065     # if a library is compiled with the bsd headers and gets linked with the
1066     # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
1067     # a different size).
1068     # ptrace(2) apparently has problems in the BSD environment.  No workaround is
1069     # known except to select the sysv environment.  Could we use /proc instead?
1070     # These "sysv environments" and "bsd environments" often end up being a pain.
1071     #
1072     # This is not part of CFLAGS because perhaps not all C compilers have this
1073     # option.
1074     tentative_cc="cc -systype sysv"
1075     ;;
1076   i370-ibm-opened*)
1077     tentative_cc="c89"
1078     ;;
1079   i[[3456789]]86-*-sysv5*)
1080     host_makefile_frag="config/mh-sysv5"
1081     ;;
1082   i[[3456789]]86-*-dgux*)
1083     tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1084     host_makefile_frag="config/mh-dgux386"
1085     ;;
1086   i[[3456789]]86-ncr-sysv4.3*)
1087     # The MetaWare compiler will generate a copyright message unless you
1088     # turn it off by adding the -Hnocopyr flag.
1089     tentative_cc="cc -Hnocopyr"
1090     ;;
1091   i[[3456789]]86-ncr-sysv4*)
1092     # for an NCR 3000 (i486/SVR4) system.
1093     # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
1094     # This compiler not only emits obnoxious copyright messages every time
1095     # you run it, but it chokes and dies on a whole bunch of GNU source
1096     # files.  Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
1097     tentative_cc="/usr/ccs/ATT/cc"
1098     host_makefile_frag="config/mh-ncr3000"
1099     ;;
1100   i[[3456789]]86-*-sco3.2v5*)
1101     ;;
1102   i[[3456789]]86-*-sco*)
1103     # The native C compiler botches some simple uses of const.  Unfortunately,
1104     # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
1105     tentative_cc="cc -Dconst="
1106     host_makefile_frag="config/mh-sco"
1107     ;;
1108   i[[3456789]]86-*-udk*)
1109     host_makefile_frag="config/mh-sysv5"
1110     ;;
1111   i[[3456789]]86-*-solaris2*)
1112     host_makefile_frag="config/mh-sysv4"
1113     ;;
1114   i[[3456789]]86-*-msdosdjgpp*)
1115     host_makefile_frag="config/mh-djgpp"
1116     ;;
1117   *-cygwin*)
1118     host_makefile_frag="config/mh-cygwin"
1119     ;;
1120   *-mingw32*)
1121     host_makefile_frag="config/mh-mingw32"
1122     ;;
1123   *-interix*)
1124     host_makefile_frag="config/mh-interix"
1125     ;;
1126   vax-*-ultrix2*)
1127     # The old BSD pcc isn't up to compiling parts of gdb so use gcc
1128     tentative_cc=gcc
1129     ;;
1130   *-*-solaris2*)
1131     host_makefile_frag="config/mh-solaris"
1132     ;;
1133   m68k-sun-sunos*)
1134     # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
1135     # without overflowing the jump tables (-J says to use a 32 bit table)
1136     tentative_cc="cc -J"
1137     ;;
1138   *-hp-hpux*)
1139     tentative_cc="cc -Wp,-H256000"
1140     ;;
1141   *-*-hiux*)
1142     tentative_cc="cc -Wp,-H256000"
1143     ;;
1144   rs6000-*-lynxos*)
1145     # /bin/cc is less than useful for our purposes.  Always use GCC
1146     tentative_cc="/usr/cygnus/progressive/bin/gcc"
1147     host_makefile_frag="config/mh-lynxrs6k"
1148     ;;
1149   *-*-lynxos*)
1150     # /bin/cc is less than useful for our purposes.  Always use GCC
1151     tentative_cc="/bin/gcc"
1152     ;;
1153   *-*-sysv4*)
1154     host_makefile_frag="config/mh-sysv4"
1155     ;;
1156 esac
1157 fi
1158
1159 extra_arflags_for_target=
1160 extra_nmflags_for_target=
1161 extra_ranlibflags_for_target=
1162 target_makefile_frag=/dev/null
1163 case "${target}" in
1164   i[[3456789]]86-*-netware*)
1165     target_makefile_frag="config/mt-netware"
1166     ;;
1167   powerpc-*-netware*)
1168     target_makefile_frag="config/mt-netware"
1169     ;;
1170   *-*-linux*)
1171     target_makefile_frag="config/mt-linux"
1172     ;;
1173   *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
1174     # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1175     # commands to handle both 32-bit and 64-bit objects.  These flags are
1176     # harmless if we're using GNU nm or ar.
1177     extra_arflags_for_target=" -X32_64"
1178     extra_nmflags_for_target=" -B -X32_64"
1179     ;;
1180   *-*-darwin*)
1181     # ranlib from Darwin requires the -c flag to look at common symbols.
1182     extra_ranlibflags_for_target=" -c"
1183     ;;
1184   mips*-*-pe | sh*-*-pe | *arm-wince-pe)
1185     target_makefile_frag="config/mt-wince"
1186     ;;
1187 esac
1188
1189 alphaieee_frag=/dev/null
1190 case $target in
1191   alpha*-*-*)
1192     # This just makes sure to use the -mieee option to build target libs.
1193     # This should probably be set individually by each library.
1194     alphaieee_frag="config/mt-alphaieee"
1195     ;;
1196 esac
1197
1198 # If --enable-target-optspace always use -Os instead of -O2 to build
1199 # the target libraries, similarly if it is not specified, use -Os
1200 # on selected platforms.
1201 ospace_frag=/dev/null
1202 case "${enable_target_optspace}:${target}" in
1203   yes:*)
1204     ospace_frag="config/mt-ospace"
1205     ;;
1206   :d30v-*)
1207     ospace_frag="config/mt-d30v"
1208     ;;
1209   :m32r-* | :d10v-* | :fr30-*)
1210     ospace_frag="config/mt-ospace"
1211     ;;
1212   no:* | :*)
1213     ;;
1214   *)
1215     echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1216     ;;
1217 esac
1218
1219 # Set with_gnu_as and with_gnu_ld as appropriate.
1220 #
1221 # This is done by determining whether or not the appropriate directory
1222 # is available, and by checking whether or not specific configurations
1223 # have requested that this magic not happen.
1224 #
1225 # The command line options always override the explicit settings in
1226 # configure.in, and the settings in configure.in override this magic.
1227 #
1228 # If the default for a toolchain is to use GNU as and ld, and you don't
1229 # want to do that, then you should use the --without-gnu-as and
1230 # --without-gnu-ld options for the configure script.
1231
1232 if test x${use_gnu_as} = x &&
1233    echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1234   with_gnu_as=yes
1235   extra_host_args="$extra_host_args --with-gnu-as"
1236 fi
1237
1238 if test x${use_gnu_ld} = x &&
1239    echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1240   with_gnu_ld=yes
1241   extra_host_args="$extra_host_args --with-gnu-ld"
1242 fi
1243
1244 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1245 # can detect this case.
1246
1247 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1248   with_newlib=yes
1249   extra_host_args="$extra_host_args --with-newlib"
1250 fi
1251
1252
1253 # Default to using --with-stabs for certain targets.
1254 if test x${with_stabs} = x ; then
1255   case "${target}" in
1256   mips*-*-irix6*)
1257     ;;
1258   mips*-*-* | alpha*-*-osf*)
1259     with_stabs=yes;
1260     extra_host_args="${extra_host_args} --with-stabs"
1261     ;;
1262   esac
1263 fi
1264
1265 # hpux11 in 64bit mode has libraries in a weird place.  Arrange to find
1266 # them automatically.
1267 case "${host}" in
1268   hppa*64*-*-hpux11*)
1269     extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1270     ;;
1271 esac
1272
1273 # If we aren't going to be using gcc, see if we can extract a definition
1274 # of CC from the fragment.
1275 # Actually, use the 'pre-extracted' version above.
1276 if test -z "${CC}" && test "${build}" = "${host}" ; then
1277   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
1278   found=
1279   for dir in $PATH; do
1280     test -z "$dir" && dir=.
1281     if test -f $dir/gcc; then
1282       found=yes
1283       break
1284     fi
1285   done
1286   IFS="$save_ifs"
1287   if test -z "${found}" && test -n "${tentative_cc}" ; then
1288     CC=$tentative_cc
1289   fi
1290 fi
1291
1292 # Some systems (e.g., one of the i386-aix systems the gas testers are
1293 # using) don't handle "\$" correctly, so don't use it here.
1294 tooldir='${exec_prefix}'/${target_alias}
1295 build_tooldir=${tooldir}
1296
1297 # Generate a default definition for YACC.  This is used if the makefile can't
1298 # locate bison or byacc in objdir.
1299
1300 for prog in 'bison -y' byacc yacc
1301 do
1302   set dummy $prog; tmp=$2
1303   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
1304   for dir in $PATH; do
1305     test -z "$dir" && dir=.
1306     if test -f $dir/$tmp; then
1307       DEFAULT_YACC="$prog"
1308       break
1309     fi
1310   done
1311   IFS="$save_ifs"
1312
1313   test -n "$DEFAULT_YACC" && break
1314 done
1315
1316 # Generate a default definition for M4.  This is used if the makefile can't
1317 # locate m4 in objdir.
1318
1319 for prog in gm4 gnum4 m4
1320 do
1321   set dummy $prog; tmp=$2
1322   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
1323   for dir in $PATH; do
1324     test -z "$dir" && dir=.
1325     if test -f $dir/$tmp; then
1326       DEFAULT_M4="$prog"
1327       break
1328     fi
1329   done
1330   IFS="$save_ifs"
1331
1332   test -n "$DEFAULT_M4" && break
1333 done
1334
1335 # Generate a default definition for LEX.  This is used if the makefile can't
1336 # locate flex in objdir.
1337
1338 for prog in flex lex
1339 do
1340   set dummy $prog; tmp=$2
1341   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
1342   for dir in $PATH; do
1343     test -z "$dir" && dir=.
1344     if test -f $dir/$tmp; then
1345       DEFAULT_LEX="$prog"
1346       break
1347     fi
1348   done
1349   IFS="$save_ifs"
1350
1351   test -n "$DEFAULT_LEX" && break
1352 done
1353
1354 if test "${build}" != "${host}" ; then
1355   # If we are doing a Canadian Cross, in which the host and build systems
1356   # are not the same, we set reasonable default values for the tools.
1357
1358   BISON=${BISON-bison}
1359   CC=${CC-${host_alias}-gcc}
1360   CFLAGS=${CFLAGS-"-g -O2"}
1361   CXX=${CXX-${host_alias}-c++}
1362   CXXFLAGS=${CXXFLAGS-"-g -O2"}
1363   CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1364   CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
1365   CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
1366   GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
1367   GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
1368   BUILD_PREFIX=${build_alias}-
1369   BUILD_PREFIX_1=${build_alias}-
1370   MAKEINFO=${MAKEINFO-makeinfo}
1371
1372   if test -z "${YACC}" ; then
1373     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
1374     for dir in $PATH; do
1375       test -z "$dir" && dir=.
1376       if test -f $dir/bison; then
1377         YACC="bison -y"
1378         break
1379       fi
1380       if test -f $dir/byacc; then
1381         YACC=byacc
1382         break
1383       fi
1384       if test -f $dir/yacc; then
1385         YACC=yacc
1386         break
1387       fi
1388     done
1389     IFS="$save_ifs"
1390     if test -z "${YACC}" ; then
1391       YACC="bison -y"
1392     fi
1393   fi
1394
1395   if test -z "${LEX}" ; then
1396     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
1397     for dir in $PATH; do
1398       test -z "$dir" && dir=.
1399       if test -f $dir/flex; then
1400         LEX=flex
1401         break
1402       fi
1403       if test -f $dir/lex; then
1404         LEX=lex
1405         break
1406       fi
1407     done
1408     IFS="$save_ifs"
1409     LEX=${LEX-flex}
1410   fi
1411
1412 else
1413   # Set reasonable default values for some tools even if not Canadian.
1414   # Of course, these are different reasonable default values, originally
1415   # specified directly in the Makefile.
1416   # We don't export, so that autoconf can do its job.
1417   # Note that all these settings are above the fragment inclusion point
1418   # in Makefile.in, so can still be overridden by fragments.
1419   # This is all going to change when we autoconfiscate...
1420
1421   BISON="\$(USUAL_BISON)"
1422   CC_FOR_BUILD="\$(CC)"
1423   GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
1424   BUILD_PREFIX=
1425   BUILD_PREFIX_1=loser-
1426   MAKEINFO="\$(USUAL_MAKEINFO)"
1427   LEX="\$(USUAL_LEX)"
1428   YACC="\$(USUAL_YACC)"
1429
1430   # If CC is still not set, try to get gcc.
1431   cc_prog_is_gcc=
1432   if test -z "${CC}" ; then
1433     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
1434     for dir in $PATH; do
1435       test -z "$dir" && dir=.
1436       if test -f $dir/gcc; then
1437         CC="gcc"
1438         cc_prog_is_gcc=yes
1439         echo 'void f(){}' > conftest.c
1440         if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1441           CFLAGS=${CFLAGS-"-g -O2"}
1442           CXXFLAGS=${CXXFLAGS-"-g -O2"}
1443         else
1444           CFLAGS=${CFLAGS-"-O2"}
1445           CXXFLAGS=${CXXFLAGS-"-O2"}
1446         fi
1447         rm -f conftest*
1448         break
1449       fi
1450     done
1451     IFS="$save_ifs"
1452     CC=${CC-cc}
1453   else
1454     # Determine if we are using gcc.
1455     cat > conftest.c <<EOF
1456 #ifdef __GNUC__
1457   yes;
1458 #endif
1459 EOF
1460     if ${CC} -E conftest.c | grep yes >/dev/null 2>&1; then
1461       cc_prog_is_gcc=yes
1462     fi
1463     rm -f conftest.c
1464     if test -z "${CFLAGS}"; then
1465       # Here CC is set but CFLAGS is not.  Use a quick hack to use -O2 if CC
1466       # is set to a version of gcc.
1467       if test "$cc_prog_is_gcc" = yes; then
1468         echo 'void f(){}' > conftest.c
1469         if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1470           CFLAGS=${CFLAGS-"-g -O2"}
1471           CXXFLAGS=${CXXFLAGS-"-g -O2"}
1472         else
1473           CFLAGS=${CFLAGS-"-O2"}
1474           CXXFLAGS=${CXXFLAGS-"-O2"}
1475         fi
1476         rm -f conftest*
1477       fi
1478     fi
1479   fi
1480
1481   # We must set the default linker to the linker used by gcc for the correct
1482   # operation of libtool.  If LD is not defined and we are using gcc, try to
1483   # set the LD default to the ld used by gcc.
1484   if test -z "$LD"; then
1485     if test "$cc_prog_is_gcc" = yes; then
1486       case $build in
1487       *-*-mingw*)
1488         gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1489       *)
1490         gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1491       esac
1492       case $gcc_prog_ld in
1493       # Accept absolute paths.
1494       [[\\/]* | [A-Za-z]:[\\/]*)]
1495         LD="$gcc_prog_ld" ;;
1496       esac
1497     fi
1498   fi
1499
1500   CXX=${CXX-"c++"}
1501   CFLAGS=${CFLAGS-"-g"}
1502   CXXFLAGS=${CXXFLAGS-"-g -O2"}
1503 fi
1504
1505 # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
1506 # Set up the list of links to be made.
1507 # ${links} is the list of link names, and ${files} is the list of names to link to.
1508
1509 # Make the links.
1510 configlinks="${links}"
1511 if test -r ./config.status  ; then
1512   mv -f ./config.status ./config.back
1513 fi
1514 while test -n "${files}" ; do
1515   # set file to car of files, files to cdr of files
1516   set ${files}; file=$1; shift; files=$*
1517   set ${links}; link=$1; shift; links=$*
1518
1519   if test ! -r ${srcdir}/${file} ; then
1520     if test ! -r ${file} ; then
1521       echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
1522       echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
1523       exit 1
1524     else
1525       srcfile=${file}
1526     fi
1527   else
1528     srcfile=${srcdir}/${file}
1529   fi
1530
1531   ${remove} -f ${link}
1532   # Make a symlink if possible, otherwise try a hard link
1533   if ${symbolic_link} ${srcfile} ${link} >/dev/null 2>&1 ; then
1534     true
1535   else
1536     # We need to re-remove the file because Lynx leaves a
1537     # very strange directory there when it fails an NFS symlink.
1538     ${remove} -r -f ${link}
1539     ${hard_link} ${srcfile} ${link}
1540   fi
1541   if test ! -r ${link} ; then
1542     echo '***' "${progname}: unable to link \"${link}\" to \"${srcfile}\"." 1>&2
1543     exit 1
1544   fi
1545
1546   echo "Linked \"${link}\" to \"${srcfile}\"."
1547 done
1548
1549 # Create a .gdbinit file which runs the one in srcdir
1550 # and tells GDB to look there for source files.
1551
1552 if test -r ${srcdir}/.gdbinit ; then
1553   case ${srcdir} in
1554     .) ;;
1555     *) cat > ./.gdbinit <<EOF
1556 # ${NO_EDIT}
1557 dir ${srcdir}
1558 dir .
1559 source ${srcdir}/.gdbinit
1560 EOF
1561     ;;
1562   esac
1563 fi
1564
1565 # Make sure that the compiler is able to generate an executable.  If it
1566 # can't, we are probably in trouble.  We don't care whether we can run the
1567 # executable--we might be using a cross compiler--we only care whether it
1568 # can be created.  At this point the main configure script has set CC.
1569 we_are_ok=no
1570 echo "int main () { return 0; }" > conftest.c
1571 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1572 if test $? = 0 ; then
1573   if test -s conftest || test -s conftest.exe ; then
1574     we_are_ok=yes
1575   fi
1576 fi
1577 case $we_are_ok in
1578   no)
1579     echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1580     echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1581     rm -f conftest*
1582     exit 1
1583     ;;
1584 esac
1585 rm -f conftest*
1586
1587 # The Solaris /usr/ucb/cc compiler does not appear to work.
1588 case "${host}" in
1589   sparc-sun-solaris2*)
1590       CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1591       if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1592           could_use=
1593           test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1594           if test -d /opt/cygnus/bin ; then
1595               if test "$could_use" = "" ; then
1596                   could_use="/opt/cygnus/bin"
1597               else
1598                   could_use="$could_use or /opt/cygnus/bin"
1599               fi
1600           fi
1601         if test "$could_use" = "" ; then
1602             echo "Warning: compilation may fail because you're using"
1603             echo "/usr/ucb/cc.  You should change your PATH or CC "
1604             echo "variable and rerun configure."
1605         else
1606             echo "Warning: compilation may fail because you're using"
1607             echo "/usr/ucb/cc, when you should use the C compiler from"
1608             echo "$could_use.  You should change your"
1609             echo "PATH or CC variable and rerun configure."
1610         fi
1611       fi
1612   ;;
1613 esac
1614
1615 # If --enable-shared was set, we must set LD_LIBRARY_PATH so that the
1616 # binutils tools will find libbfd.so.
1617 case "${enable_shared}" in
1618   no | "") SET_LIB_PATH= ;;
1619   *) SET_LIB_PATH="\$(REALLY_SET_LIB_PATH)" ;;
1620 esac
1621
1622 case "${host}" in
1623   *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1624   *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1625 esac
1626
1627 # Record target_configdirs and the configure arguments for target and
1628 # build configuration in Makefile.
1629 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1630
1631 # This is the final value for target_configdirs.  configdirs already
1632 # has its final value, as does build_modules.  It's time to create some
1633 # lists of valid targets.
1634
1635 all_build_modules=
1636 configure_build_modules=
1637 for module in ${build_modules} ; do
1638   all_build_modules=all-build-${module}
1639   configure_build_modules=configure-build-${module}
1640 done
1641
1642 # Determine whether gdb needs tk/tcl or not.
1643 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1644 # and in that case we want gdb to be built without tk.  Ugh!
1645 # In fact I believe gdb is the *only* package directly dependent on tk,
1646 # so we should be able to put the 'maybe's in unconditionally and
1647 # leave out the maybe dependencies when enable_gdbtk is false.  I'm not
1648 # 100% sure that that's safe though.
1649
1650 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-tix maybe-all-libgui"
1651 case "$enable_gdbtk" in
1652   no)
1653     GDB_TK="" ;;
1654   yes)
1655     GDB_TK="${gdb_tk}" ;;
1656   *)
1657     # Only add the dependency on gdbtk when GDBtk is part of the gdb
1658     # distro.  Eventually someone will fix this and move Insight, nee
1659     # gdbtk to a separate directory.
1660     if test -d ${srcdir}/gdb/gdbtk ; then
1661       GDB_TK="${gdb_tk}"
1662     else
1663       GDB_TK=""
1664     fi
1665     ;;
1666 esac
1667
1668 # Create the 'maybe dependencies'.  This uses a temporary file.
1669
1670 # While at that, we remove Makefiles if we were started for recursive
1671 # configuration, so that the top-level Makefile reconfigures them,
1672 # like we used to do when configure itself was recursive.
1673 rm -f maybedep.tmp
1674 echo '# maybedep.tmp' > maybedep.tmp
1675
1676 # Make-targets which may need maybe dependencies.
1677 mts="configure all install check clean distclean dvi info install-info"
1678 mts="${mts} installcheck mostlyclean maintainer-clean TAGS"
1679
1680 # Loop over modules and make-targets.
1681 for module in ${build_modules} ; do
1682   if test -z "${no_recursion}" \
1683      && test -f ${build_subdir}/${module}/Makefile; then
1684     echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
1685     rm -f ${build_subdir}/${module}/Makefile
1686   fi
1687   for mt in ${mts} ; do
1688     case ${mt} in
1689       install) ;; # No installing build modules.
1690       *) echo "maybe-${mt}-build-${module}: ${mt}-build-${module}" >> maybedep.tmp ;;
1691     esac
1692   done
1693 done
1694 for module in ${configdirs} ; do
1695   if test -z "${no_recursion}" \
1696      && test -f ${module}/Makefile; then
1697     echo 1>&2 "*** removing ${module}/Makefile to force reconfigure"
1698     rm -f ${module}/Makefile
1699   fi
1700   for mt in ${mts} ; do
1701     echo "maybe-${mt}-${module}: ${mt}-${module}" >> maybedep.tmp
1702   done
1703 done
1704 for module in ${target_configdirs} ; do
1705   if test -z "${no_recursion}" \
1706      && test -f ${target_subdir}/${module}/Makefile; then
1707     echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
1708     rm -f ${target_subdir}/${module}/Makefile
1709   fi
1710   for mt in ${mts} ; do
1711     echo "maybe-${mt}-target-${module}: ${mt}-target-${module}" >> maybedep.tmp
1712   done
1713 done
1714 maybe_dependencies=maybedep.tmp
1715 AC_SUBST_FILE(maybe_dependencies)
1716
1717 # Create the serialization dependencies.  This uses a temporary file.
1718
1719 AC_ARG_ENABLE([serial-configure],
1720 [  --enable-serial-[{host,target,build}-]configure
1721                           Force sequential configuration of
1722                           sub-packages for the host, target or build
1723                           machine, or all sub-packages])
1724
1725 case ${enable_serial_configure} in
1726   yes)
1727     enable_serial_build_configure=yes
1728     enable_serial_host_configure=yes
1729     enable_serial_target_configure=yes
1730     ;;
1731 esac
1732
1733 # These force 'configure's to be done one at a time, to avoid problems
1734 # with contention over a shared config.cache.
1735 rm -f serdep.tmp
1736 echo '# serdep.tmp' > serdep.tmp
1737 olditem=
1738 test "x${enable_serial_build_configure}" = xyes &&
1739 for item in ${build_configdirs} ; do
1740   case ${olditem} in
1741     "") ;;
1742     *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
1743   esac
1744   olditem=${item}
1745 done
1746 olditem=
1747 test "x${enable_serial_host_configure}" = xyes &&
1748 for item in ${configdirs} ; do
1749   case ${olditem} in
1750     "") ;;
1751     *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
1752   esac
1753   olditem=${item}
1754 done
1755 olditem=
1756 test "x${enable_serial_target_configure}" = xyes &&
1757 for item in ${target_configdirs} ; do
1758   case ${olditem} in
1759     "") ;;
1760     *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
1761   esac
1762   olditem=${item}
1763 done
1764 serialization_dependencies=serdep.tmp
1765 AC_SUBST_FILE(serialization_dependencies)
1766
1767 # Base args.  Strip norecursion, cache-file, srcdir, host, build,
1768 # target and nonopt.  These are the ones we might not want to pass
1769 # down to subconfigures.
1770 cat <<\EOF_SED > conftestsed
1771 s/ --no[[^ ]]* / /
1772 s/ --c[[a-z-]]*[[= ]][[^ ]]* / /
1773 s/ --sr[[a-z-]]*[[= ]][[^ ]]* / /
1774 s/ --ho[[a-z-]]*[[= ]][[^ ]]* / /
1775 s/ --bu[[a-z-]]*[[= ]][[^ ]]* / /
1776 s/ --t[[a-z-]]*[[= ]][[^ ]]* / /
1777 s/ -cache-file[[= ]][[^ ]]* / /
1778 s/ -srcdir[[= ]][[^ ]]* / /
1779 s/ -host[[= ]][[^ ]]* / /
1780 s/ -build[[= ]][[^ ]]* / /
1781 s/ -target[[= ]][[^ ]]* / /
1782 s/ [[^' -][^ ]*] / /
1783 s/^ *//;s/ *$//
1784 s,\\,\\\\,g; s,\$,$$,g
1785 EOF_SED
1786 baseargs=`echo " ${ac_configure_args} " | sed -f conftestsed`
1787 rm -f conftestsed
1788
1789 # For the build-side libraries, we just need to pretend we're native,
1790 # and not use the same cache file.  Multilibs are neither needed nor
1791 # desired.
1792 build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} ${baseargs}"
1793
1794 # For host modules, accept cache file option, or specification as blank.
1795 case "${cache_file}" in
1796 "") # empty
1797   cache_file_option="" ;;
1798 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
1799   cache_file_option="--cache-file=${cache_file}" ;;
1800 *) # relative path
1801   cache_file_option="--cache-file=../${cache_file}" ;;
1802 esac
1803
1804 host_configargs="${cache_file_option} --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
1805
1806 target_configargs=${baseargs}
1807
1808 # Passing a --with-cross-host argument lets the target libraries know
1809 # whether they are being built with a cross-compiler or being built
1810 # native.  However, it would be better to use other mechanisms to make the
1811 # sorts of decisions they want to make on this basis.  Please consider
1812 # this option to be deprecated.  FIXME.
1813 if test x${is_cross_compiler} = xyes ; then
1814   target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
1815 fi
1816
1817 # Default to --enable-multilib.
1818 if test x${enable_multilib} = x ; then
1819   target_configargs="--enable-multilib ${target_configargs}"
1820 fi
1821
1822 # Pass --with-newlib if appropriate.  Note that target_configdirs has
1823 # changed from the earlier setting of with_newlib.
1824 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
1825   target_configargs="--with-newlib ${target_configargs}"
1826 fi
1827
1828 # Pass the appropriate --host, --build, and --cache-file arguments.
1829 target_configargs="--cache-file=../config.cache --host=${target_alias} --build=${build_alias} ${target_configargs}"
1830
1831 # provide a proper gxx_include_dir.
1832 # Note, if you change the default, make sure to fix both here and in
1833 # the gcc and libstdc++-v3 subdirectories.
1834 # Check whether --with-gxx-include-dir or --without-gxx-include-dir was given.
1835 case "${with_gxx_include_dir}" in
1836   yes)
1837     AC_MSG_ERROR([--with-gxx-include-dir=[[dir]] requires a directory])
1838     ;;
1839   no | "")
1840     case "${enable_version_specific_runtime_libs}" in
1841       yes) gxx_include_dir='${libsubdir}/include/c++' ;;
1842       *)
1843         . ${srcdir}/config.if
1844         gxx_include_dir='${prefix}/include/'${libstdcxx_incdir} ;;
1845     esac ;;
1846   *) gxx_include_dir=${with_gxx_include_dir} ;;
1847 esac
1848
1849 FLAGS_FOR_TARGET=
1850 case " $target_configdirs " in
1851  *" newlib "*)
1852   case " $target_configargs " in
1853   *" --with-newlib "*)
1854    case "$target" in
1855    *-cygwin*)
1856      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 $$s/winsup/w32api/include' ;;
1857    esac
1858
1859    # If we're not building GCC, don't discard standard headers.
1860    if test -d ${srcdir}/gcc; then
1861      FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
1862
1863      if test "${build}" != "${host}"; then
1864        # On Canadian crosses, CC_FOR_TARGET will have already been set
1865        # by `configure', so we won't have an opportunity to add -Bgcc/
1866        # to it.  This is right: we don't want to search that directory
1867        # for binaries, but we want the header files in there, so add
1868        # them explicitly.
1869        FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/gcc/include'
1870
1871        # Someone might think of using the pre-installed headers on
1872        # Canadian crosses, in case the installed compiler is not fully
1873        # compatible with the compiler being built.  In this case, it
1874        # would be better to flag an error than risking having
1875        # incompatible object files being constructed.  We can't
1876        # guarantee that an error will be flagged, but let's hope the
1877        # compiler will do it, when presented with incompatible header
1878        # files.
1879      fi
1880    fi
1881
1882    case "${target}-${is_cross_compiler}" in
1883    i[[3456789]]86-*-linux*-no)
1884       # Here host == target, so we don't need to build gcc,
1885       # so we don't want to discard standard headers.
1886       FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
1887       ;;
1888    *)
1889       # If we're building newlib, use its generic headers last, but search
1890       # for any libc-related directories first (so make it the last -B
1891       # switch).
1892       FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
1893       ;;
1894    esac
1895    ;;
1896   esac
1897   ;;
1898 esac
1899
1900 # On Canadian crosses, we'll be searching the right directories for
1901 # the previously-installed cross compiler, so don't bother to add
1902 # flags for directories within the install tree of the compiler
1903 # being built; programs in there won't even run.
1904 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
1905   # Search for pre-installed headers if nothing else fits.
1906   FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
1907 fi
1908
1909 if test "x${use_gnu_ld}" = x &&
1910    echo " ${configdirs} " | grep " ld " > /dev/null ; then
1911   # Arrange for us to find uninstalled linker scripts.
1912   FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/ld'
1913 fi
1914
1915 if test "x${CC_FOR_TARGET+set}" = xset; then
1916   :
1917 elif test -d ${srcdir}/gcc; then
1918   CC_FOR_TARGET='$$r/gcc/xgcc -B$$r/gcc/'
1919 elif test "$host" = "$target"; then
1920   CC_FOR_TARGET='$(CC)'
1921 else
1922   CC_FOR_TARGET=`echo gcc | sed "${program_transform_name}"`
1923 fi
1924 CC_FOR_TARGET=$CC_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1925
1926 if test "x${GCJ_FOR_TARGET+set}" = xset; then
1927   :
1928 elif test -d ${srcdir}/gcc; then
1929   GCJ_FOR_TARGET='$$r/gcc/gcj -B$$r/gcc/'
1930 elif test "$host" = "$target"; then
1931   GCJ_FOR_TARGET='gcj'
1932 else
1933   GCJ_FOR_TARGET=`echo gcj | sed "${program_transform_name}"`
1934 fi
1935 GCJ_FOR_TARGET=$GCJ_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1936
1937 # Don't use libstdc++-v3's flags to configure/build itself.
1938 libstdcxx_flags='`test ! -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags || $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
1939 raw_libstdcxx_flags=' -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
1940
1941 if test "x${CXX_FOR_TARGET+set}" = xset; then
1942   if test "x${RAW_CXX_FOR_TARGET+set}" != xset; then
1943     RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
1944   fi
1945 elif test -d ${srcdir}/gcc; then
1946   # We add -shared-libgcc to CXX_FOR_TARGET whenever we use xgcc instead
1947   # of g++ for linking C++ or Java, because g++ has -shared-libgcc by
1948   # default whereas gcc does not.
1949   # RAW_CXX_FOR_TARGET is for linking C++ or java; CXX_FOR_TARGET is for
1950   # all other cases.
1951   CXX_FOR_TARGET='$$r/gcc/g++ -B$$r/gcc/ -nostdinc++ '$libstdcxx_flags
1952   RAW_CXX_FOR_TARGET='$$r/gcc/xgcc -shared-libgcc -B$$r/gcc/ -nostdinc++ '$raw_libstdcxx_flags
1953 elif test "$host" = "$target"; then
1954   CXX_FOR_TARGET='$(CXX)'
1955   RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
1956 else
1957   CXX_FOR_TARGET=`echo c++ | sed "${program_transform_name}"`
1958   RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
1959 fi
1960 CXX_FOR_TARGET=$CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1961 RAW_CXX_FOR_TARGET=$RAW_CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1962
1963 qCXX_FOR_TARGET=`echo "$CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
1964 qRAW_CXX_FOR_TARGET=`echo "$RAW_CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
1965
1966 # We want to defer the evaluation of `cmd`s and shell variables in
1967 # CXX_FOR_TARGET when recursing in the top-level Makefile, such as for
1968 # bootstrap.  We'll enclose CXX_FOR_TARGET_FOR_RECURSIVE_MAKE in single
1969 # quotes, but we still have to duplicate `$'s so that shell variables
1970 # can be expanded by the nested make as shell variables, not as make
1971 # macros.
1972 qqCXX_FOR_TARGET=`echo "$qCXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
1973 qqRAW_CXX_FOR_TARGET=`echo "$qRAW_CXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
1974
1975 # Wrap CC_FOR_TARGET and friends, for certain types of builds.
1976 CC_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${CC_FOR_TARGET}"
1977 GCJ_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GCJ_FOR_TARGET}"
1978 CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qCXX_FOR_TARGET}"
1979 RAW_CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qRAW_CXX_FOR_TARGET}"
1980 CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqCXX_FOR_TARGET}"
1981 RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqRAW_CXX_FOR_TARGET}"
1982
1983 # Makefile fragments.
1984 host_makefile_frag=${srcdir}/${host_makefile_frag}
1985 target_makefile_frag=${srcdir}/${target_makefile_frag}
1986 alphaieee_frag=${srcdir}/${alphaieee_frag}
1987 ospace_frag=${srcdir}/${ospace_frag}
1988 AC_SUBST_FILE(host_makefile_frag)
1989 AC_SUBST_FILE(target_makefile_frag)
1990 AC_SUBST_FILE(alphaieee_frag)
1991 AC_SUBST_FILE(ospace_frag)
1992
1993 # Miscellanea: directories, flags, etc.
1994 AC_SUBST(SET_LIB_PATH)
1995 AC_SUBST(RPATH_ENVVAR)
1996 AC_SUBST(BUILD_PREFIX)
1997 AC_SUBST(BUILD_PREFIX_1)
1998 AC_SUBST(configlinks)
1999 AC_SUBST(gcc_version_trigger)
2000 AC_SUBST(gcc_version)
2001 AC_SUBST(tooldir)
2002 AC_SUBST(build_tooldir)
2003 AC_SUBST(GDB_TK)
2004 AC_SUBST(gxx_include_dir)
2005 AC_SUBST(libstdcxx_incdir)
2006
2007 # Build module lists & subconfigure args.
2008 AC_SUBST(build_configargs)
2009 AC_SUBST(configure_build_modules)
2010 AC_SUBST(all_build_modules)
2011
2012 # Host module lists & subconfigure args.
2013 AC_SUBST(host_configargs)
2014 AC_SUBST(configdirs)
2015
2016 # Target module lists & subconfigure args.
2017 AC_SUBST(target_configargs)
2018 AC_SUBST(target_configdirs)
2019
2020 # Build tools.
2021 AC_SUBST(BISON)
2022 AC_SUBST(CC_FOR_BUILD)
2023 AC_SUBST(LEX)
2024 AC_SUBST(MAKEINFO)
2025 AC_SUBST(YACC)
2026 AC_SUBST(config_shell)
2027
2028 # Host tools.
2029 NCN_STRICT_CHECK_TOOL(AR, ar)
2030 NCN_STRICT_CHECK_TOOL(AS, as)
2031 NCN_STRICT_CHECK_TOOL(DLLTOOL, dlltool)
2032 NCN_STRICT_CHECK_TOOL(LD, ld)
2033 NCN_STRICT_CHECK_TOOL(NM, nm)
2034 NCN_STRICT_CHECK_TOOL(RANLIB, ranlib, :)
2035 NCN_STRICT_CHECK_TOOL(WINDRES, windres)
2036 NCN_STRICT_CHECK_TOOL(OBJCOPY, objcopy)
2037 NCN_STRICT_CHECK_TOOL(OBJDUMP, objdump)
2038 AC_SUBST(CC)
2039 AC_SUBST(CXX)
2040 AC_SUBST(CFLAGS)
2041 AC_SUBST(CXXFLAGS)
2042 AC_SUBST(DEFAULT_YACC)
2043 AC_SUBST(DEFAULT_LEX)
2044 AC_SUBST(DEFAULT_M4)
2045
2046 # Target tools.
2047 NCN_STRICT_CHECK_TARGET_TOOL(AR_FOR_TARGET, ar)
2048 NCN_STRICT_CHECK_TARGET_TOOL(AS_FOR_TARGET, as)
2049 NCN_STRICT_CHECK_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
2050 NCN_STRICT_CHECK_TARGET_TOOL(LD_FOR_TARGET, ld)
2051 NCN_STRICT_CHECK_TARGET_TOOL(NM_FOR_TARGET, nm)
2052 NCN_STRICT_CHECK_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib, :)
2053 NCN_STRICT_CHECK_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
2054
2055 AC_SUBST(GCC_FOR_TARGET)
2056 AC_SUBST(FLAGS_FOR_TARGET)
2057 AC_SUBST(CC_FOR_TARGET)
2058 AC_SUBST(GCJ_FOR_TARGET)
2059 AC_SUBST(CXX_FOR_TARGET)
2060 AC_SUBST(RAW_CXX_FOR_TARGET)
2061 AC_SUBST(CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2062 AC_SUBST(RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2063
2064 # Fix up target tools.
2065 if test "x${build}" = "x${host}" ; then
2066   # In this case, the newly built tools can and should be used,
2067   # so we override the results of the autoconf tests.
2068   # This should really only happen when the tools are actually being built,
2069   # but that's a further refinement.  The new build scheme, where
2070   # tools are built into a structure paralleling where they're installed,
2071   # should also eliminate all of this cleanly.
2072   AR_FOR_TARGET="\$(USUAL_AR_FOR_TARGET)"
2073   AS_FOR_TARGET="\$(USUAL_AS_FOR_TARGET)"
2074   DLLTOOL_FOR_TARGET="\$(USUAL_DLLTOOL_FOR_TARGET)"
2075   LD_FOR_TARGET="\$(USUAL_LD_FOR_TARGET)"
2076   NM_FOR_TARGET="\$(USUAL_NM_FOR_TARGET)"
2077   RANLIB_FOR_TARGET="\$(USUAL_RANLIB_FOR_TARGET)"
2078   WINDRES_FOR_TARGET="\$(USUAL_WINDRES_FOR_TARGET)"
2079 fi
2080 # Certain tools may need extra flags.
2081 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2082 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2083 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2084
2085 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2086 AC_ARG_ENABLE(maintainer-mode,
2087 [  --enable-maintainer-mode enable make rules and dependencies not useful
2088                           (and sometimes confusing) to the casual installer],
2089       USE_MAINTAINER_MODE=$enableval,
2090       USE_MAINTAINER_MODE=no)
2091 AC_MSG_RESULT($USE_MAINTAINER_MODE)
2092 AC_SUBST(MAINTAINER_MODE_TRUE)
2093 AC_SUBST(MAINTAINER_MODE_FALSE)
2094 if test "$USE_MAINTAINER_MODE" = yes; then
2095   MAINTAINER_MODE_TRUE=
2096   MAINTAINER_MODE_FALSE='#'
2097 else
2098   MAINTAINER_MODE_TRUE='#'
2099   MAINTAINER_MODE_FALSE=
2100 fi
2101 MAINT=$MAINTAINER_MODE_TRUE
2102 AC_SUBST(MAINT)dnl
2103
2104 AC_OUTPUT(Makefile)