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 sinclude(config/acx.m4)
  27
  28 # clear some things potentially inherited from environment.
  29
  30 enable_threads=no
  31 enable_shared=no
  32 enable_libstdcxx_v3=yes
  33 floating_point=default
  34 gas=default
  35 x11=default
  36
  37 ### we might need to use some other shell than /bin/sh for running subshells
  38 ### If we are on Windows, search for the shell.  This will permit people
  39 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
  40 ### without also having to set CONFIG_SHELL.  This code will work when
  41 ### using bash, which sets OSTYPE.
  42 case "${OSTYPE}" in
  43 *win32*)
  44   if test x${CONFIG_SHELL} = x ; then
  45     if test ! -f /bin/sh ; then
  46       if test x${SHELL} != x && test -f ${SHELL} ; then
  47         CONFIG_SHELL=${SHELL}
  48         export CONFIG_SHELL
  49       else
  50         for prog in sh sh.exe bash bash.exe; do
  51           IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
  52           for dir in $PATH; do
  53             test -z "$dir" && dir=.
  54             if test -f $dir/$prog; then
  55               CONFIG_SHELL=$dir/$prog
  56               export CONFIG_SHELL
  57               break
  58             fi
  59           done
  60           IFS="$save_ifs"
  61           test -n "${CONFIG_SHELL}" && break
  62         done
  63       fi
  64     fi
  65   fi
  66   ;;
  67 esac
  68
  69 config_shell=${CONFIG_SHELL-/bin/sh}
  70
  71 ## this is a little touchy and won't always work, but...
  72 ##
  73 ## if the argv[[0]] starts with a slash then it is an absolute name that can (and
  74 ## must) be used as is.
  75 ##
  76 ## otherwise, if argv[[0]] has no slash in it, we can assume that it is on the
  77 ## path.  Since PATH might include "." we also add `pwd` to the end of PATH.
  78 ##
  79
  80 progname=$0
  81 # if PWD already has a value, it is probably wrong.
  82 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
  83
  84 # Export original configure arguments for use by sub-configures.
  85 TOPLEVEL_CONFIGURE_ARGUMENTS="$progname $@"
  86 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
  87
  88 moveifchange=${srcdir}/move-if-change
  89
  90 # Set srcdir to "." if that's what it is.
  91 # This is important for multilib support.
  92 pwd=`${PWDCMD-pwd}`
  93 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
  94 if test "${pwd}" = "${srcpwd}" ; then
  95   srcdir=.
  96 fi
  97
  98 topsrcdir=$srcpwd
  99
 100 extra_host_args=
 101 # Define the trigger file to make sure configure will re-run whenever
 102 # the gcc version number changes.
 103 if test "${with_gcc_version_trigger+set}" = set ; then
 104   gcc_version_trigger="$with_gcc_version_trigger"
 105   gcc_version=`grep version_string ${with_gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'`
 106 else
 107   # If gcc's sources are available, define the trigger file.
 108   if test -f ${topsrcdir}/gcc/version.c ; then
 109     gcc_version_trigger=${topsrcdir}/gcc/version.c
 110     gcc_version=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'`
 111     case "$ac_configure_args" in
 112       *--with-gcc-version-trigger=$gcc_version_trigger* )
 113         ;;
 114       * )
 115         # Add to all subconfigure arguments: build, host, and target.
 116         ac_configure_args="$ac_configure_args --with-gcc-version-trigger=$gcc_version_trigger"
 117         ;;
 118     esac
 119   fi
 120 fi
 121
 122 ### To add a new directory to the tree, first choose whether it is a target
 123 ### or a host dependent tool.  Then put it into the appropriate list
 124 ### (library or tools, host or target), doing a dependency sort.
 125
 126 # Subdirs will be configured in the order listed in build_configdirs,
 127 # configdirs, or target_configdirs; see the serialization section below.
 128
 129 # Dependency sorting is only needed when *configuration* must be done in
 130 # a particular order.  In all cases a dependency should be specified in
 131 # the Makefile, whether or not it's implicitly specified here.
 132
 133 # Double entries in build_configdirs, configdirs, or target_configdirs may
 134 # cause circular dependencies and break everything horribly.
 135
 136 # these libraries are used by various programs built for the host environment
 137 #
 138 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl tix libgui zlib"
 139
 140 libstdcxx_version="target-libstdc++-v3"
 141
 142 # these tools are built for the host environment
 143 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
 144 # know that we are building the simulator.
 145 # binutils, gas and ld appear in that order because it makes sense to run
 146 # "make check" in that particular order.
 147 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"
 148
 149 # libgcj represents the runtime libraries only used by gcj.
 150 libgcj="target-libffi \
 151         target-boehm-gc \
 152         target-zlib \
 153         target-qthreads \
 154         target-libjava"
 155
 156 # these libraries are built for the target environment, and are built after
 157 # the host libraries and the host tools (which may be a cross compiler)
 158 #
 159 target_libs="target-libiberty \
 160                 target-libgloss \
 161                 target-newlib \
 162                 ${libstdcxx_version} \
 163                 target-libf2c \
 164                 ${libgcj} \
 165                 target-libobjc"
 166
 167 # these tools are built using the target libs, and are intended to run only
 168 # in the target environment
 169 #
 170 # note: any program that *uses* libraries that are in the "target_libs"
 171 # list belongs in this list.  those programs are also very likely
 172 # candidates for the "native_only" list which follows
 173 #
 174 target_tools="target-examples target-groff target-gperf target-rda"
 175
 176 ################################################################################
 177
 178 ## All tools belong in one of the four categories, and are assigned above
 179 ## We assign ${configdirs} this way to remove all embedded newlines.  This
 180 ## is important because configure will choke if they ever get through.
 181 ## ${configdirs} is directories we build using the host tools.
 182 ## ${target_configdirs} is directories we build using the target tools.
 183 #
 184 configdirs=`echo ${host_libs} ${host_tools}`
 185 target_configdirs=`echo ${target_libs} ${target_tools}`
 186
 187 ################################################################################
 188
 189 srcname="gnu development package"
 190
 191 # This gets set non-empty for some net releases of packages.
 192 appdirs=""
 193
 194 # Define is_cross_compiler to save on calls to 'test'.
 195 is_cross_compiler=
 196 if test x"${host}" = x"${target}" ; then
 197   is_cross_compiler=no
 198 else
 199   is_cross_compiler=yes
 200 fi
 201
 202 # We always want to use the same name for this directory, so that dejagnu
 203 # can reliably find it.
 204 target_subdir=${target_alias}
 205
 206 if test ! -d ${target_subdir} ; then
 207   if mkdir ${target_subdir} ; then true
 208   else
 209     echo "'*** could not make ${PWD=`${PWDCMD-pwd}`}/${target_subdir}" 1>&2
 210     exit 1
 211   fi
 212 fi
 213
 214 build_prefix=build-
 215 build_subdir=${build_prefix}${build_alias}
 216
 217 if test x"${build_alias}" != x"${host}" ; then
 218   if test ! -d ${build_subdir} ; then
 219     if mkdir ${build_subdir} ; then true
 220     else
 221       echo "'*** could not make ${PWD=`${PWDCMD-pwd}`}/${build_subdir}" 1>&2
 222       exit 1
 223     fi
 224   fi
 225 fi
 226
 227 # Skipdirs are removed silently.
 228 skipdirs=
 229 # Noconfigdirs are removed loudly.
 230 noconfigdirs=""
 231
 232 use_gnu_ld=
 233 # Make sure we don't let GNU ld be added if we didn't want it.
 234 if test x$with_gnu_ld = xno ; then
 235   use_gnu_ld=no
 236   noconfigdirs="$noconfigdirs ld"
 237 fi
 238
 239 use_gnu_as=
 240 # Make sure we don't let GNU as be added if we didn't want it.
 241 if test x$with_gnu_as = xno ; then
 242   use_gnu_as=no
 243   noconfigdirs="$noconfigdirs gas"
 244 fi
 245
 246 # some tools are so dependent upon X11 that if we're not building with X,
 247 # it's not even worth trying to configure, much less build, that tool.
 248
 249 case ${with_x} in
 250   yes | "") ;; # the default value for this tree is that X11 is available
 251   no)
 252     skipdirs="${skipdirs} tk tix itcl libgui"
 253     # We won't be able to build gdbtk without X.
 254     enable_gdbtk=no
 255     ;;
 256   *)  echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
 257 esac
 258
 259 # Some tools are only suitable for building in a "native" situation.
 260 # Remove these if host!=target.
 261 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"
 262
 263 # Similarly, some are only suitable for cross toolchains.
 264 # Remove these if host=target.
 265 cross_only="target-libgloss target-newlib target-opcodes"
 266
 267 case $is_cross_compiler in
 268   no) skipdirs="${skipdirs} ${cross_only}" ;;
 269   yes) skipdirs="${skipdirs} ${native_only}" ;;
 270 esac
 271
 272 # If both --with-headers and --with-libs are specified, default to
 273 # --without-newlib.
 274 if test x"${with_headers}" != x && test x"${with_libs}" != x ; then
 275   if test x"${with_newlib}" = x ; then
 276     with_newlib=no
 277   fi
 278 fi
 279
 280 # Recognize --with-newlib/--without-newlib.
 281 case ${with_newlib} in
 282   no) skipdirs="${skipdirs} target-newlib" ;;
 283   yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
 284 esac
 285
 286 # Configure extra directories which are host specific
 287
 288 case "${host}" in
 289   *-cygwin*)
 290     configdirs="$configdirs libtermcap" ;;
 291 esac
 292
 293 # Remove more programs from consideration, based on the host or
 294 # target this usually means that a port of the program doesn't
 295 # exist yet.
 296
 297 case "${host}" in
 298   hppa*64*-*-*)
 299     noconfigdirs="$noconfigdirs byacc"
 300     ;;
 301   i[[3456]]86-*-vsta)
 302     noconfigdirs="tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl tix gnuserv gettext"
 303     ;;
 304   i[[3456]]86-*-go32* | i[[3456]]86-*-msdosdjgpp*)
 305     noconfigdirs="tcl tk expect dejagnu send-pr uudecode guile itcl tix gnuserv libffi"
 306         ;;
 307   i[[3456]]86-*-mingw32*)
 308     # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl tix gnuserv"
 309      noconfigdirs="expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool"
 310         ;;
 311   i[[3456]]86-*-beos*)
 312      noconfigdirs="$noconfigdirs tk itcl tix libgui gdb"
 313      ;;
 314   *-*-cygwin*)
 315      noconfigdirs="autoconf automake send-pr rcs guile perl"
 316     ;;
 317   *-*-netbsd*)
 318     noconfigdirs="rcs"
 319     ;;
 320   ppc*-*-pe)
 321      noconfigdirs="patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl tix gnuserv"
 322     ;;
 323   powerpc-*-beos*)
 324     noconfigdirs="$noconfigdirs tk itcl tix libgui gdb dejagnu readline"
 325     ;;
 326   *-*-darwin*)
 327     noconfigdirs="$noconfigdirs tk itcl tix libgui"
 328     ;;
 329 esac
 330
 331 # Save it here so that, even in case of --enable-libgcj, if the Java
 332 # front-end isn't enabled, we still get libgcj disabled.
 333 libgcj_saved=$libgcj
 334 case $enable_libgcj in
 335 yes)
 336   # If we reset it here, it won't get added to noconfigdirs in the
 337   # target-specific build rules, so it will be forcibly enabled
 338   # (unless the Java language itself isn't enabled).
 339   libgcj=
 340   ;;
 341 no)
 342   # Make sure we get it printed in the list of not supported target libs.
 343   noconfigdirs="$noconfigdirs ${libgcj}"
 344   ;;
 345 esac
 346
 347 case "${target}" in
 348   *-*-chorusos)
 349     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 350     ;;
 351   *-*-darwin*)
 352     noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
 353     noconfigdirs="$noconfigdirs target-libobjc ${libgcj}"
 354     ;;
 355   *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
 356     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 357     ;;
 358   *-*-kaos*)
 359     # Remove unsupported stuff on all kaOS configurations.
 360     skipdirs="target-libiberty ${libgcj} ${libstdcxx_version} target-libf2c target-librx"
 361     skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
 362     skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
 363     noconfigdirs="$noconfigdirs target-libgloss"
 364     ;;
 365   *-*-netbsd*)
 366     # Skip some stuff on all NetBSD configurations.
 367     noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
 368
 369     # Skip some stuff that's unsupported on some NetBSD configurations.
 370     case "${target}" in
 371       i*86-*-netbsdelf*) ;;
 372       *)
 373         noconfigdirs="$noconfigdirs ${libgcj}"
 374         ;;
 375     esac
 376     ;;
 377   *-*-netware)
 378     noconfigdirs="$noconfigdirs ${libstdcxx_version} target-newlib target-libiberty target-libgloss ${libgcj}"
 379     ;;
 380   *-*-rtems*)
 381     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 382     case ${target} in
 383         h8300*-*-* | h8500-*-*)
 384           noconfigdirs="$noconfigdirs target-libf2c"
 385           ;;
 386         *) ;;
 387     esac
 388     ;;
 389   *-*-vxworks*)
 390     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 391     ;;
 392   alpha*-dec-osf*)
 393     # ld works, but does not support shared libraries.
 394     # newlib is not 64 bit ready.  I'm not sure about fileutils.
 395     # gas doesn't generate exception information.
 396     noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
 397     ;;
 398   alpha*-*-*vms*)
 399     noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
 400     ;;
 401   alpha*-*-linux*)
 402     # newlib is not 64 bit ready
 403     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 404     ;;
 405   alpha*-*-freebsd*)
 406     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 407     ;;
 408   alpha*-*-*)
 409     # newlib is not 64 bit ready
 410     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 411     ;;
 412   sh-*-linux*)
 413     noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
 414     ;;
 415   sh*-*-pe|mips*-*-pe|*arm-wince-pe)
 416     noconfigdirs="$noconfigdirs ${libgcj}"
 417     noconfigdirs="$noconfigdirs target-examples"
 418     noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
 419     noconfigdirs="$noconfigdirs tcl tix tk itcl libgui sim"
 420     noconfigdirs="$noconfigdirs expect dejagnu"
 421     # the C++ libraries don't build on top of CE's C libraries
 422     noconfigdirs="$noconfigdirs ${libstdcxx_version}"
 423     noconfigdirs="$noconfigdirs target-newlib"
 424     case "${host}" in
 425       *-*-cygwin*) ;; # keep gdb and readline
 426       *) noconfigdirs="$noconfigdirs gdb readline ${libstdcxx_version}"
 427          ;;
 428     esac
 429     ;;
 430   arc-*-*)
 431     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 432     ;;
 433   arm-*-coff | strongarm-*-coff | xscale-*-coff)
 434     noconfigdirs="$noconfigdirs ${libgcj}"
 435     ;;
 436   arm-*-elf* | strongarm-*-elf* | xscale-*-elf*)
 437     noconfigdirs="$noconfigdirs target-libffi target-qthreads"
 438     ;;
 439   arm-*-pe*)
 440     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 441     ;;
 442   arm-*-oabi*)
 443     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 444     ;;
 445   thumb-*-coff)
 446     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 447     ;;
 448   thumb-*-elf)
 449     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 450     ;;
 451   thumb-*-oabi)
 452     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 453     ;;
 454   thumb-*-pe)
 455     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 456     ;;
 457   arm-*-riscix*)
 458     noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
 459     ;;
 460   avr-*-*)
 461     noconfigdirs="$noconfigdirs target-libiberty ${libstdcxx_version} ${libgcj}"
 462     ;;
 463   c4x-*-* | tic4x-*-*)
 464     noconfigdirs="$noconfigdirs ${libstdcxx_version} target-libgloss ${libgcj}"
 465     ;;
 466   c54x*-*-* | tic54x-*-*)
 467     noconfigdirs="$noconfigdirs ${libstdcxx_version} target-libgloss ${libgcj} gcc gdb newlib"
 468     ;;
 469   cris-*-*)
 470     noconfigdirs="$noconfigdirs ${libgcj}"
 471     ;;
 472   d10v-*-*)
 473     noconfigdirs="$noconfigdirs ${libstdcxx_version} target-libgloss ${libgcj}"
 474     ;;
 475   d30v-*-*)
 476     noconfigdirs="$noconfigdirs ${libgcj}"
 477     ;;
 478   fr30-*-elf*)
 479     noconfigdirs="$noconfigdirs ${libgcj}"
 480     ;;
 481   frv-*-*)
 482     noconfigdirs="$noconfigdirs ${libgcj}"
 483     ;;
 484   h8300*-*-*)
 485     noconfigdirs="$noconfigdirs target-libgloss"
 486     ;;
 487   h8500-*-*)
 488     noconfigdirs="$noconfigdirs ${libstdcxx_version} target-libgloss ${libgcj} target-libf2c"
 489     ;;
 490   hppa*64*-*-linux* | parisc*64*-*-linux*)
 491     # In this case, it's because the hppa64-linux target is for
 492     # the kernel only at this point and has no libc, and thus no
 493     # headers, crt*.o, etc., all of which are needed by these.
 494     noconfigdirs="$noconfigdirs target-zlib"
 495     ;;
 496   hppa*-*-*elf* | \
 497   parisc*-*-linux* | hppa*-*-linux* | \
 498   hppa*-*-lites* | \
 499   hppa*-*-openbsd* | \
 500   hppa*64*-*-*)
 501     noconfigdirs="$noconfigdirs ${libgcj}"
 502     # Do configure ld/binutils/gas for this case.
 503     ;;
 504   hppa*-*-*)
 505     # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
 506     # build on HP-UX 10.20.
 507     noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
 508     ;;
 509   ia64*-*-elf*)
 510     # No gdb support yet.
 511     noconfigdirs="$noconfigdirs tix readline mmalloc libgui itcl gdb"
 512     ;;
 513   ia64*-**-hpux*)
 514     # No gdb or ld support yet.
 515     noconfigdirs="$noconfigdirs tix readline mmalloc libgui itcl gdb ld"
 516     ;;
 517   i[[3456]]86-*-coff | i[[3456]]86-*-elf)
 518     noconfigdirs="$noconfigdirs ${libgcj}"
 519     ;;
 520   i[[34567]]86-*-freebsd*)
 521     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 522     ;;
 523   i[[3456]]86-*-linux*)
 524     # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
 525     # not build java stuff by default.
 526     case "${target}" in
 527       *-*-*libc1*)
 528         noconfigdirs="$noconfigdirs ${libgcj}";;
 529     esac
 530
 531     # This section makes it possible to build newlib natively on linux.
 532     # If we are using a cross compiler then don't configure newlib.
 533     if test x${is_cross_compiler} != xno ; then
 534          noconfigdirs="$noconfigdirs target-newlib"
 535     fi
 536     noconfigdirs="$noconfigdirs target-libgloss"
 537     # If we are not using a cross compiler, do configure newlib.
 538     # Note however, that newlib will only be configured in this situation
 539     # if the --with-newlib option has been given, because otherwise
 540     # 'target-newlib' will appear in skipdirs.
 541     ;;
 542   i[[3456]]86-*-mingw32*)
 543     target_configdirs="$target_configdirs target-mingw"
 544     noconfigdirs="$noconfigdirs expect target-libgloss ${libgcj}"
 545
 546     # Can't build gdb for mingw32 if not native.
 547     case "${host}" in
 548       i[[3456]]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
 549       *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix gnuserv"
 550          ;;
 551     esac
 552     ;;
 553   *-*-cygwin*)
 554     target_configdirs="$target_configdirs target-libtermcap target-winsup"
 555     noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
 556     # always build newlib.
 557     skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
 558
 559     # Can't build gdb for Cygwin if not native.
 560     case "${host}" in
 561       *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
 562       *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix libgui gnuserv"
 563          ;;
 564     esac
 565     ;;
 566   i[[3456]]86-*-pe)
 567     noconfigdirs="$noconfigdirs ${libstdcxx_version} target-libgloss ${libgcj}"
 568     ;;
 569   i[[3456]]86-*-sco3.2v5*)
 570     # The linker does not yet know about weak symbols in COFF,
 571     # and is not configured to handle mixed ELF and COFF.
 572     noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
 573     ;;
 574   i[[3456]]86-*-sco*)
 575     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 576     ;;
 577   i[[3456]]86-*-solaris2*)
 578     noconfigdirs="$noconfigdirs target-libgloss"
 579     ;;
 580   i[[3456]]86-*-sysv4*)
 581     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 582     ;;
 583   i[[3456]]86-*-beos*)
 584      noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
 585      ;;
 586   m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
 587     noconfigdirs="$noconfigdirs target-libiberty ${libstdcxx_version} ${libgcj}"
 588     ;;
 589   m68k-*-elf*)
 590     noconfigdirs="$noconfigdirs ${libgcj}"
 591     ;;
 592   m68k-*-coff*)
 593     noconfigdirs="$noconfigdirs ${libgcj}"
 594     ;;
 595   mcore-*-pe*)
 596   # The EPOC C++ environment does not support exceptions or rtti,
 597   # and so building libstdc++-v3 tends not to always work.
 598     noconfigdirs="$noconfigdirs target-libstdc++-v3"
 599     ;;
 600   mmix-*-*)
 601     noconfigdirs="$noconfigdirs ${libgcj} gdb libgloss"
 602     ;;
 603   mn10200-*-*)
 604     noconfigdirs="$noconfigdirs ${libgcj}"
 605     ;;
 606   mn10300-*-*)
 607     noconfigdirs="$noconfigdirs ${libgcj}"
 608     ;;
 609   powerpc-*-aix*)
 610     # copied from rs6000-*-* entry
 611     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 612     ;;
 613   powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
 614     target_configdirs="$target_configdirs target-winsup"
 615     noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl tix gnuserv ${libgcj}"
 616     # always build newlib.
 617     skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
 618     ;;
 619     # This is temporary until we can link against shared libraries
 620   powerpcle-*-solaris*)
 621     noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl tix gnuserv ${libgcj}"
 622     ;;
 623   powerpc-*-beos*)
 624     noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
 625     ;;
 626   powerpc-*-eabi)
 627     noconfigdirs="$noconfigdirs ${libgcj}"
 628     ;;
 629   powerpc64*-*-linux*)
 630     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 631     # not yet ported.
 632     noconfigdirs="$noconfigdirs target-libffi"
 633     ;;
 634   rs6000-*-lynxos*)
 635     noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
 636     ;;
 637   rs6000-*-aix*)
 638     noconfigdirs="$noconfigdirs gprof ${libgcj}"
 639     ;;
 640   rs6000-*-*)
 641     noconfigdirs="$noconfigdirs gprof ${libgcj}"
 642     ;;
 643   m68k-apollo-*)
 644     noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
 645     ;;
 646   mips*-*-irix5*)
 647     # The GNU linker does not support shared libraries.
 648     noconfigdirs="$noconfigdirs ld gprof target-libgloss ${libgcj}"
 649     ;;
 650   mips*-*-irix6*)
 651     # Linking libjava exceeds command-line length limits on at least
 652     # IRIX 6.2, but not on IRIX 6.5.
 653     # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
 654     # <oldham@codesourcery.com>
 655     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 656     ;;
 657   mips*-dec-bsd*)
 658     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 659     ;;
 660   mips*-*-bsd*)
 661     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 662     ;;
 663   mipstx39-*-*)
 664     noconfigdirs="$noconfigdirs gprof ${libgcj}"   # same as generic mips
 665    ;;
 666   mips*-*-linux*)
 667     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 668     ;;
 669   mips*-*-*)
 670     noconfigdirs="$noconfigdirs gprof ${libgcj}"
 671     ;;
 672   romp-*-*)
 673     noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
 674     ;;
 675   sh-*-*)
 676     case "${host}" in
 677       i[[3456]]86-*-vsta) ;; # don't add gprof back in
 678       i[[3456]]86-*-go32*) ;; # don't add gprof back in
 679       i[[3456]]86-*-msdosdjgpp*) ;; # don't add gprof back in
 680       *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
 681     esac
 682     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 683     ;;
 684   sh64-*-*)
 685     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 686     ;;
 687   sparc-*-elf*)
 688     noconfigdirs="$noconfigdirs ${libgcj}"
 689     ;;
 690   sparc64-*-elf*)
 691     noconfigdirs="$noconfigdirs ${libgcj}"
 692     ;;
 693   sparclite-*-*)
 694     noconfigdirs="$noconfigdirs ${libgcj}"
 695     ;;
 696   sparc-*-sunos4*)
 697     noconfigdirs="$noconfigdirs ${libgcj}"
 698     if test x${is_cross_compiler} != xno ; then
 699            noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
 700     else
 701            use_gnu_ld=no
 702     fi
 703     ;;
 704   sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
 705     ;;
 706   v810-*-*)
 707     noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld ${libstdcxx_version} opcodes target-libgloss ${libgcj}"
 708     ;;
 709   v850-*-*)
 710     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 711     ;;
 712   v850e-*-*)
 713     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 714     ;;
 715   v850ea-*-*)
 716     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 717     ;;
 718   vax-*-vms)
 719     noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
 720     ;;
 721   vax-*-*)
 722     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 723     ;;
 724   ip2k-*-*)
 725     noconfigdirs="$noconfigdirs target-libiberty ${libstdcxx_version} ${libgcj}"
 726     ;;
 727   *-*-linux*)
 728     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 729     ;;
 730   *-*-lynxos*)
 731     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 732     ;;
 733   *-*-*)
 734     noconfigdirs="$noconfigdirs ${libgcj}"
 735     ;;
 736 esac
 737
 738 # If we aren't building newlib, then don't build libgloss, since libgloss
 739 # depends upon some newlib header files.
 740 case "${noconfigdirs}" in
 741   *target-libgloss*) ;;
 742   *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
 743 esac
 744
 745 # Figure out what language subdirectories are present.
 746 # Look if the user specified --enable-languages="..."; if not, use
 747 # the environment variable $LANGUAGES if defined. $LANGUAGES might
 748 # go away some day.
 749 # NB:  embedded tabs in this IF block -- do not untabify
 750 if test x"${enable_languages+set}" != xset; then
 751         if test x"${LANGUAGES+set}" = xset; then
 752                 enable_languages="${LANGUAGES}"
 753                 echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
 754         else
 755                 enable_languages=all
 756         fi
 757 else
 758         if test x"${enable_languages}" = x ||
 759            test x"${enable_languages}" = xyes;
 760         then
 761                 echo configure.in: --enable-languages needs at least one language argument 1>&2
 762                 exit 1
 763         fi
 764 fi
 765 enable_languages=`echo "${enable_languages}" | sed -e 's/[[     ,]][[   ,]]*/,/g' -e 's/,$//'`
 766
 767 # First scan to see if an enabled language requires some other language.
 768 # We assume that a given config-lang.in will list all the language
 769 # front ends it requires, even if some are required indirectly.
 770 for lang in ${srcdir}/gcc/*/config-lang.in ..
 771 do
 772    case $lang in
 773     ..)
 774        ;;
 775     # The odd quoting in the next line works around
 776     # an apparent bug in bash 1.12 on linux.
 777     ${srcdir}/gcc/[[*]]/config-lang.in)
 778        ;;
 779     *)
 780        lang_alias=`sed -n -e 's,^language=[['"'"'"'"]]\(.*\)[["'"'"'"']].*$,\1,p' -e 's,^language=\([[^         ]]*\).*$,\1,p' $lang`
 781        this_lang_requires=`sed -n -e 's,^lang_requires=[['"'"'"'"]]\(.*\)[["'"'"'"']].*$,\1,p' -e 's,^lang_requires=\([[^       ]]*\).*$,\1,p' $lang`
 782        for other in $this_lang_requires
 783        do
 784           case ,${enable_languages}, in
 785            *,$other,*)
 786               ;;
 787            *,all,*)
 788               ;;
 789            *,$lang_alias,*)
 790               echo " \`$other' language required by \`$lang_alias'; enabling" 1>&2
 791               enable_languages="$enable_languages,$other"
 792               ;;
 793           esac
 794        done
 795        ;;
 796    esac
 797 done
 798
 799 subdirs=
 800 for lang in ${srcdir}/gcc/*/config-lang.in ..
 801 do
 802         case $lang in
 803         ..) ;;
 804         # The odd quoting in the next line works around
 805         # an apparent bug in bash 1.12 on linux.
 806         ${srcdir}/gcc/[[*]]/config-lang.in) ;;
 807         *)
 808           lang_alias=`sed -n -e 's,^language=[['"'"'"'"]]\(.*\)[["'"'"'"']].*$,\1,p' -e 's,^language=\([[^      ]]*\).*$,\1,p' $lang`
 809           this_lang_libs=`sed -n -e 's,^target_libs=[['"'"'"'"]]\(.*\)[["'"'"'"']].*$,\1,p' -e 's,^target_libs=\([[^    ]]*\).*$,\1,p' $lang`
 810           this_lang_dirs=`sed -n -e 's,^lang_dirs=[['"'"'"'"]]\(.*\)[["'"'"'"']].*$,\1,p' -e 's,^lang_dirs=\([[^        ]]*\).*$,\1,p' $lang`
 811           build_by_default=`sed -n -e 's,^build_by_default=[['"'"'"'"]]\(.*\)[["'"'"'"']].*$,\1,p' -e 's,^build_by_default=\([[^        ]]*\).*$,\1,p' $lang`
 812           if test "x$lang_alias" = x
 813           then
 814                 echo "$lang doesn't set \$language." 1>&2
 815                 exit 1
 816           fi
 817           case ${build_by_default},${enable_languages}, in
 818           *,$lang_alias,*) add_this_lang=yes ;;
 819           no,*) add_this_lang=no ;;
 820           *,all,*) add_this_lang=yes ;;
 821           *) add_this_lang=no ;;
 822           esac
 823           if test x"${add_this_lang}" = xyes; then
 824               eval target_libs='"$target_libs "'\"$this_lang_libs\"
 825           else
 826               eval noconfigdirs='"$noconfigdirs "'\"$this_lang_libs $this_lang_dirs\"
 827           fi
 828           ;;
 829         esac
 830 done
 831
 832 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs and
 833 # $target_configdirs.
 834 # If we have the source for $noconfigdirs entries, add them to $notsupp.
 835
 836 notsupp=""
 837 for dir in . $skipdirs $noconfigdirs ; do
 838   dirname=`echo $dir | sed -e s/target-//g`
 839   if test $dir != .  && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 840     configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
 841     if test -r $srcdir/$dirname/configure ; then
 842       if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 843         true
 844       else
 845         notsupp="$notsupp $dir"
 846       fi
 847     fi
 848   fi
 849   if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 850     target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
 851     if test -r $srcdir/$dirname/configure ; then
 852       if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 853         true
 854       else
 855         notsupp="$notsupp $dir"
 856       fi
 857     fi
 858   fi
 859 done
 860
 861 # Sometimes the tools are distributed with libiberty but with no other
 862 # libraries.  In that case, we don't want to build target-libiberty.
 863 if test -n "${target_configdirs}" ; then
 864   others=
 865   for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
 866     if test "$i" != "libiberty" ; then
 867       if test -r $srcdir/$i/configure ; then
 868         others=yes;
 869         break;
 870       fi
 871     fi
 872   done
 873   if test -z "${others}" ; then
 874     target_configdirs=
 875   fi
 876 fi
 877
 878 # Quietly strip out all directories which aren't configurable in this tree.
 879 # This relies on all configurable subdirectories being autoconfiscated, which
 880 # is now the case.
 881 configdirs_all="$configdirs"
 882 configdirs=
 883 for i in ${configdirs_all} ; do
 884   if test -f ${srcdir}/$i/configure ; then
 885     configdirs="${configdirs} $i"
 886   fi
 887 done
 888 target_configdirs_all="$target_configdirs"
 889 target_configdirs=
 890 for i in ${target_configdirs_all} ; do
 891   j=`echo $i | sed -e s/target-//g`
 892   if test -f ${srcdir}/$j/configure ; then
 893     target_configdirs="${target_configdirs} $i"
 894   fi
 895 done
 896
 897 # Produce a warning message for the subdirs we can't configure.
 898 # This isn't especially interesting in the Cygnus tree, but in the individual
 899 # FSF releases, it's important to let people know when their machine isn't
 900 # supported by the one or two programs in a package.
 901
 902 if test -n "${notsupp}" && test -z "${norecursion}" ; then
 903   # If $appdirs is non-empty, at least one of those directories must still
 904   # be configured, or we error out.  (E.g., if the gas release supports a
 905   # specified target in some subdirs but not the gas subdir, we shouldn't
 906   # pretend that all is well.)
 907   if test -n "$appdirs" ; then
 908     for dir in $appdirs ; do
 909       if test -r $dir/Makefile.in ; then
 910         if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 911           appdirs=""
 912           break
 913         fi
 914         if echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 915           appdirs=""
 916           break
 917         fi
 918       fi
 919     done
 920     if test -n "$appdirs" ; then
 921       echo "*** This configuration is not supported by this package." 1>&2
 922       exit 1
 923     fi
 924   fi
 925   # Okay, some application will build, or we don't care to check.  Still
 926   # notify of subdirs not getting built.
 927   echo "*** This configuration is not supported in the following subdirectories:" 1>&2
 928   echo "    ${notsupp}" 1>&2
 929   echo "    (Any other directories should still work fine.)" 1>&2
 930 fi
 931
 932 case "$host" in
 933   *msdosdjgpp*)
 934     enable_gdbtk=no ;;
 935 esac
 936
 937 copy_dirs=
 938
 939 # Handle --with-headers=XXX.  If the value is not "yes", the contents of
 940 # the named directory are copied to $(tooldir)/sys-include.
 941 if test x"${with_headers}" != x ; then
 942   if test x${is_cross_compiler} = xno ; then
 943     echo 1>&2 '***' --with-headers is only supported when cross compiling
 944     exit 1
 945   fi
 946   if test x"${with_headers}" != xyes ; then
 947     case "${exec_prefixoption}" in
 948     "") x=${prefix} ;;
 949     *) x=${exec_prefix} ;;
 950     esac
 951     copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
 952   fi
 953 fi
 954
 955 # Handle --with-libs=XXX.  If the value is not "yes", the contents of
 956 # the name directories are copied to $(tooldir)/lib.  Multiple directories
 957 # are permitted.
 958 if test x"${with_libs}" != x ; then
 959   if test x${is_cross_compiler} = xno ; then
 960     echo 1>&2 '***' --with-libs is only supported when cross compiling
 961     exit 1
 962   fi
 963   if test x"${with_libs}" != xyes ; then
 964     # Copy the libraries in reverse order, so that files in the first named
 965     # library override files in subsequent libraries.
 966     case "${exec_prefixoption}" in
 967     "") x=${prefix} ;;
 968     *) x=${exec_prefix} ;;
 969     esac
 970     for l in ${with_libs}; do
 971       copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
 972     done
 973   fi
 974 fi
 975
 976 # Handle ${copy_dirs}
 977 set fnord ${copy_dirs}
 978 shift
 979 while test $# != 0 ; do
 980   if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
 981     :
 982   else
 983     echo Copying $1 to $2
 984
 985     # Use the install script to create the directory and all required
 986     # parent directories.
 987     if test -d $2 ; then
 988       :
 989     else
 990       echo >config.temp
 991       ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
 992     fi
 993
 994     # Copy the directory, assuming we have tar.
 995     # FIXME: Should we use B in the second tar?  Not all systems support it.
 996     (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
 997
 998     # It is the responsibility of the user to correctly adjust all
 999     # symlinks.  If somebody can figure out how to handle them correctly
1000     # here, feel free to add the code.
1001
1002     echo $1 > $2/COPIED
1003   fi
1004   shift; shift
1005 done
1006
1007 # Work in distributions that contain no compiler tools, like Autoconf.
1008 tentative_cc=""
1009 host_makefile_frag=/dev/null
1010 if test -d ${srcdir}/config ; then
1011 case "${host}" in
1012   m68k-hp-hpux*)
1013     # Avoid "too much defining" errors from HPUX compiler.
1014     tentative_cc="cc -Wp,-H256000"
1015     # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
1016     # If it's HP/UX ar, this should be harmless.
1017     RANLIB="ar ts"
1018     ;;
1019   m68k-apollo-sysv*)
1020     tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
1021     ;;
1022   m68k-apollo-bsd*)
1023     #None of the Apollo compilers can compile gas or binutils.  The preprocessor
1024     # chokes on bfd, the compiler won't let you assign integers to enums, and
1025     # other problems.  Defining CC to gcc is a questionable way to say "don't use
1026     # the apollo compiler" (the preferred version of GCC could be called cc,
1027     # or whatever), but I'm not sure leaving CC as cc is any better...
1028     #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
1029     # Used to have BISON=yacc.
1030     tentative_cc=gcc
1031     ;;
1032   m88k-dg-dgux*)
1033     tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1034     host_makefile_frag="config/mh-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[[3456]]86-*-sysv5*)
1080     host_makefile_frag="config/mh-sysv5"
1081     ;;
1082   i[[3456]]86-*-dgux*)
1083     tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1084     host_makefile_frag="config/mh-dgux386"
1085     ;;
1086   i[[3456]]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[[3456]]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[[3456]]86-*-sco3.2v5*)
1101     ;;
1102   i[[3456]]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[[3456]]86-*-udk*)
1109     host_makefile_frag="config/mh-sysv5"
1110     ;;
1111   i[[3456]]86-*-solaris2*)
1112     host_makefile_frag="config/mh-sysv4"
1113     ;;
1114   i[[3456]]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[[3456]]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 # We default to --with-shared on platforms where -fpic is meaningless.
1253 # Well, we don't yet, but we will.
1254 if false && test "${host}" = "${target}" && test x${enable_shared} = x ; then
1255   case "${target}" in
1256     alpha*-dec-osf*)    enable_shared=yes ;;
1257     alpha*-*-linux*)    enable_shared=yes ;;
1258     mips-sgi-irix5*)    enable_shared=yes ;;
1259     *)                  enable_shared=no ;;
1260   esac
1261 fi
1262
1263 case "${enable_shared}" in
1264   yes) shared=yes ;;
1265   no) shared=no ;;
1266   "") shared=no ;;
1267   *) shared=yes ;;
1268 esac
1269
1270
1271 # Default to using --with-stabs for certain targets.
1272 if test x${with_stabs} = x ; then
1273   case "${target}" in
1274   mips*-*-irix6*o32)
1275     with_stabs=yes;
1276     extra_host_args="${extra_host_args} --with-stabs"
1277     ;;
1278   mips*-*-irix6*)
1279     ;;
1280   mips*-*-* | alpha*-*-osf*)
1281     with_stabs=yes;
1282     extra_host_args="${extra_host_args} --with-stabs"
1283     ;;
1284   esac
1285 fi
1286
1287 # hpux11 in 64bit mode has libraries in a weird place.  Arrange to find
1288 # them automatically.
1289 case "${host}" in
1290   hppa*64*-*-hpux11*)
1291     extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1292     ;;
1293 esac
1294
1295 # If we aren't going to be using gcc, see if we can extract a definition
1296 # of CC from the fragment.
1297 # Actually, use the 'pre-extracted' version above.
1298 if test -z "${CC}" && test "${build}" = "${host}" ; then
1299   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
1300   found=
1301   for dir in $PATH; do
1302     test -z "$dir" && dir=.
1303     if test -f $dir/gcc; then
1304       found=yes
1305       break
1306     fi
1307   done
1308   IFS="$save_ifs"
1309   if test -z "${found}" && test -n "${tentative_cc}" ; then
1310     CC=$tentative_cc
1311   fi
1312 fi
1313
1314 # Some systems (e.g., one of the i386-aix systems the gas testers are
1315 # using) don't handle "\$" correctly, so don't use it here.
1316 tooldir='$(exec_prefix)'/${target_alias}
1317 build_tooldir=${tooldir}
1318
1319 # Generate a default definition for YACC.  This is used if the makefile can't
1320 # locate bison or byacc in objdir.
1321
1322 for prog in 'bison -y' byacc yacc
1323 do
1324   set dummy $prog; tmp=$2
1325   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
1326   for dir in $PATH; do
1327     test -z "$dir" && dir=.
1328     if test -f $dir/$tmp; then
1329       DEFAULT_YACC="$prog"
1330       break
1331     fi
1332   done
1333   IFS="$save_ifs"
1334
1335   test -n "$DEFAULT_YACC" && break
1336 done
1337
1338 # Generate a default definition for M4.  This is used if the makefile can't
1339 # locate m4 in objdir.
1340
1341 for prog in gm4 gnum4 m4
1342 do
1343   set dummy $prog; tmp=$2
1344   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
1345   for dir in $PATH; do
1346     test -z "$dir" && dir=.
1347     if test -f $dir/$tmp; then
1348       DEFAULT_M4="$prog"
1349       break
1350     fi
1351   done
1352   IFS="$save_ifs"
1353
1354   test -n "$DEFAULT_M4" && break
1355 done
1356
1357 # Generate a default definition for LEX.  This is used if the makefile can't
1358 # locate flex in objdir.
1359
1360 for prog in flex lex
1361 do
1362   set dummy $prog; tmp=$2
1363   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
1364   for dir in $PATH; do
1365     test -z "$dir" && dir=.
1366     if test -f $dir/$tmp; then
1367       DEFAULT_LEX="$prog"
1368       break
1369     fi
1370   done
1371   IFS="$save_ifs"
1372
1373   test -n "$DEFAULT_LEX" && break
1374 done
1375
1376 if test "${build}" != "${host}" ; then
1377   # If we are doing a Canadian Cross, in which the host and build systems
1378   # are not the same, we set reasonable default values for the tools.
1379
1380   BISON=${BISON-bison}
1381   CC=${CC-${host_alias}-gcc}
1382   CFLAGS=${CFLAGS-"-g -O2"}
1383   CXX=${CXX-${host_alias}-c++}
1384   CXXFLAGS=${CXXFLAGS-"-g -O2"}
1385   CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1386   CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
1387   CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
1388   GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
1389   GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
1390   BUILD_PREFIX=${build_alias}-
1391   BUILD_PREFIX_1=${build_alias}-
1392   MAKEINFO=${MAKEINFO-makeinfo}
1393
1394   if test -z "${YACC}" ; then
1395     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
1396     for dir in $PATH; do
1397       test -z "$dir" && dir=.
1398       if test -f $dir/bison; then
1399         YACC="bison -y"
1400         break
1401       fi
1402       if test -f $dir/byacc; then
1403         YACC=byacc
1404         break
1405       fi
1406       if test -f $dir/yacc; then
1407         YACC=yacc
1408         break
1409       fi
1410     done
1411     IFS="$save_ifs"
1412     if test -z "${YACC}" ; then
1413       YACC="bison -y"
1414     fi
1415   fi
1416
1417   if test -z "${LEX}" ; then
1418     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
1419     for dir in $PATH; do
1420       test -z "$dir" && dir=.
1421       if test -f $dir/flex; then
1422         LEX=flex
1423         break
1424       fi
1425       if test -f $dir/lex; then
1426         LEX=lex
1427         break
1428       fi
1429     done
1430     IFS="$save_ifs"
1431     LEX=${LEX-flex}
1432   fi
1433
1434 else
1435   # Set reasonable default values for some tools even if not Canadian.
1436   # Of course, these are different reasonable default values, originally
1437   # specified directly in the Makefile.
1438   # We don't export, so that autoconf can do its job.
1439   # Note that all these settings are above the fragment inclusion point
1440   # in Makefile.in, so can still be overridden by fragments.
1441   # This is all going to change when we autoconfiscate...
1442
1443   BISON="\$(USUAL_BISON)"
1444   CC_FOR_BUILD="\$(CC)"
1445   GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
1446   BUILD_PREFIX=
1447   BUILD_PREFIX_1=loser-
1448   MAKEINFO="\$(USUAL_MAKEINFO)"
1449   LEX="\$(USUAL_LEX)"
1450   YACC="\$(USUAL_YACC)"
1451
1452   # If CC is still not set, try to get gcc.
1453   cc_prog_is_gcc=
1454   if test -z "${CC}" ; then
1455     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
1456     for dir in $PATH; do
1457       test -z "$dir" && dir=.
1458       if test -f $dir/gcc; then
1459         CC="gcc"
1460         cc_prog_is_gcc=yes
1461         echo 'void f(){}' > conftest.c
1462         if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1463           CFLAGS=${CFLAGS-"-g -O2"}
1464           CXXFLAGS=${CXXFLAGS-"-g -O2"}
1465         else
1466           CFLAGS=${CFLAGS-"-O2"}
1467           CXXFLAGS=${CXXFLAGS-"-O2"}
1468         fi
1469         rm -f conftest*
1470         break
1471       fi
1472     done
1473     IFS="$save_ifs"
1474     CC=${CC-cc}
1475   else
1476     # Determine if we are using gcc.
1477     cat > conftest.c <<EOF
1478 #ifdef __GNUC__
1479   yes;
1480 #endif
1481 EOF
1482     if ${CC} -E conftest.c | grep yes >/dev/null 2>&1; then
1483       cc_prog_is_gcc=yes
1484     fi
1485     rm -f conftest.c
1486     if test -z "${CFLAGS}"; then
1487       # Here CC is set but CFLAGS is not.  Use a quick hack to use -O2 if CC
1488       # is set to a version of gcc.
1489       if test "$cc_prog_is_gcc" = yes; then
1490         echo 'void f(){}' > conftest.c
1491         if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1492           CFLAGS=${CFLAGS-"-g -O2"}
1493           CXXFLAGS=${CXXFLAGS-"-g -O2"}
1494         else
1495           CFLAGS=${CFLAGS-"-O2"}
1496           CXXFLAGS=${CXXFLAGS-"-O2"}
1497         fi
1498         rm -f conftest*
1499       fi
1500     fi
1501   fi
1502
1503   # We must set the default linker to the linker used by gcc for the correct
1504   # operation of libtool.  If LD is not defined and we are using gcc, try to
1505   # set the LD default to the ld used by gcc.
1506   if test -z "$LD"; then
1507     if test "$cc_prog_is_gcc" = yes; then
1508       case $build in
1509       *-*-mingw*)
1510         gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1511       *)
1512         gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1513       esac
1514       case $gcc_prog_ld in
1515       # Accept absolute paths.
1516       [[\\/]* | [A-Za-z]:[\\/]*)]
1517         LD="$gcc_prog_ld" ;;
1518       esac
1519     fi
1520   fi
1521
1522   CXX=${CXX-"c++"}
1523   CFLAGS=${CFLAGS-"-g"}
1524   CXXFLAGS=${CXXFLAGS-"-g -O2"}
1525 fi
1526
1527 # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
1528 # Set up the list of links to be made.
1529 # ${links} is the list of link names, and ${files} is the list of names to link to.
1530
1531 # Make the links.
1532 configlinks="${links}"
1533 if test -r ./config.status  ; then
1534   mv -f ./config.status ./config.back
1535 fi
1536 while test -n "${files}" ; do
1537   # set file to car of files, files to cdr of files
1538   set ${files}; file=$1; shift; files=$*
1539   set ${links}; link=$1; shift; links=$*
1540
1541   if test ! -r ${srcdir}/${file} ; then
1542     if test ! -r ${file} ; then
1543       echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
1544       echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
1545       exit 1
1546     else
1547       srcfile=${file}
1548     fi
1549   else
1550     srcfile=${srcdir}/${file}
1551   fi
1552
1553   ${remove} -f ${link}
1554   # Make a symlink if possible, otherwise try a hard link
1555   if ${symbolic_link} ${srcfile} ${link} >/dev/null 2>&1 ; then
1556     true
1557   else
1558     # We need to re-remove the file because Lynx leaves a
1559     # very strange directory there when it fails an NFS symlink.
1560     ${remove} -r -f ${link}
1561     ${hard_link} ${srcfile} ${link}
1562   fi
1563   if test ! -r ${link} ; then
1564     echo '***' "${progname}: unable to link \"${link}\" to \"${srcfile}\"." 1>&2
1565     exit 1
1566   fi
1567
1568   echo "Linked \"${link}\" to \"${srcfile}\"."
1569 done
1570
1571 # Create a .gdbinit file which runs the one in srcdir
1572 # and tells GDB to look there for source files.
1573
1574 if test -r ${srcdir}/.gdbinit ; then
1575   case ${srcdir} in
1576     .) ;;
1577     *) cat > ./.gdbinit <<EOF
1578 # ${NO_EDIT}
1579 dir ${srcdir}
1580 dir .
1581 source ${srcdir}/.gdbinit
1582 EOF
1583     ;;
1584   esac
1585 fi
1586
1587 # record if we want runtime library stuff installed in libsubdir.
1588 # Blank means no.
1589 if test -z "${enable_version_specific_runtime_libs}"; then
1590   enable_version_specific_runtime_libs=no
1591 fi
1592
1593 # Make sure that the compiler is able to generate an executable.  If it
1594 # can't, we are probably in trouble.  We don't care whether we can run the
1595 # executable--we might be using a cross compiler--we only care whether it
1596 # can be created.  At this point the main configure script has set CC.
1597 we_are_ok=no
1598 echo "int main () { return 0; }" > conftest.c
1599 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1600 if test $? = 0 ; then
1601   if test -s conftest || test -s conftest.exe ; then
1602     we_are_ok=yes
1603   fi
1604 fi
1605 case $we_are_ok in
1606   no)
1607     echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1608     echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1609     rm -f conftest*
1610     exit 1
1611     ;;
1612 esac
1613 rm -f conftest*
1614
1615 # The Solaris /usr/ucb/cc compiler does not appear to work.
1616 case "${host}" in
1617   sparc-sun-solaris2*)
1618       CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1619       if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1620           could_use=
1621           test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1622           if test -d /opt/cygnus/bin ; then
1623               if test "$could_use" = "" ; then
1624                   could_use="/opt/cygnus/bin"
1625               else
1626                   could_use="$could_use or /opt/cygnus/bin"
1627               fi
1628           fi
1629         if test "$could_use" = "" ; then
1630             echo "Warning: compilation may fail because you're using"
1631             echo "/usr/ucb/cc.  You should change your PATH or CC "
1632             echo "variable and rerun configure."
1633         else
1634             echo "Warning: compilation may fail because you're using"
1635             echo "/usr/ucb/cc, when you should use the C compiler from"
1636             echo "$could_use.  You should change your"
1637             echo "PATH or CC variable and rerun configure."
1638         fi
1639       fi
1640   ;;
1641 esac
1642
1643 # If --enable-shared was set, we must set LD_LIBRARY_PATH so that the
1644 # binutils tools will find libbfd.so.
1645 if test "${shared}" = "yes" ; then
1646   SET_LIB_PATH="\$(REALLY_SET_LIB_PATH)"
1647 else
1648   SET_LIB_PATH=
1649 fi
1650
1651
1652 case "${host}" in
1653   *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1654   *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1655 esac
1656
1657 # Record target_configdirs and the configure arguments for target and
1658 # build configuration in Makefile.
1659 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1660
1661 # This is the final value for target_configdirs.  configdirs already
1662 # has its final value.  It's time to create some lists of valid targets.
1663
1664 # While at that, we remove Makefiles if we were started for recursive
1665 # configuration, such that the top-level Makefile reconfigures them,
1666 # like we used to do when configure itself was recursive.
1667
1668 all_build_modules=
1669 configure_build_modules=
1670 # Only make build modules if build != host.
1671 # This should be done more generally, but at the moment it doesn't matter.
1672 if test ${host_alias} != ${build_alias} ; then
1673   for module in libiberty ; do
1674     all_build_modules=all-build-${module}
1675     configure_build_modules=configure-build-${module}
1676     if test -z "${no_recursion}" \
1677        && test -f ${build_subdir}/${module}/Makefile; then
1678       echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
1679       rm -f ${build_subdir}/${module}/Makefile
1680     fi
1681   done
1682 fi
1683
1684 all_host_modules=
1685 check_host_modules=
1686 install_host_modules=
1687 configure_host_modules=
1688 for module in ${configdirs} ; do
1689   all_host_modules="${all_host_modules} all-${module}"
1690   check_host_modules="${check_host_modules} check-${module}"
1691   install_host_modules="${install_host_modules} install-${module}"
1692   configure_host_modules="${configure_host_modules} configure-${module}"
1693   if test -z "${no_recursion}" \
1694      && test -f ${module}/Makefile; then
1695     echo 1>&2 "*** removing ${module}/Makefile to force reconfigure"
1696     rm -f ${module}/Makefile
1697   fi
1698 done
1699 install_host_modules_nogcc=`echo "${install_host_modules}" | sed -e 's/install-gcc//g'`
1700
1701 all_target_modules=
1702 check_target_modules=
1703 install_target_modules=
1704 configure_target_modules=
1705 for module in ${target_configdirs} ; do
1706   all_target_modules="${all_target_modules} all-target-${module}"
1707   check_target_modules="${check_target_modules} check-target-${module}"
1708   install_target_modules="${install_target_modules} install-target-${module}"
1709   configure_target_modules="${configure_target_modules} configure-target-${module}"
1710   if test -z "${no_recursion}" \
1711      && test -f ${target_subdir}/${module}/Makefile; then
1712     echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
1713     rm -f ${target_subdir}/${module}/Makefile
1714   fi
1715 done
1716
1717 # Determine whether gdb needs tk/tcl or not.
1718 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1719 # and in that case we want gdb to be built without tk.  Ugh!
1720 # In fact I believe gdb is the *only* package directly dependent on tk,
1721 # so we should be able to put the 'maybe's in unconditionally and
1722 # leave out the maybe dependencies when enable_gdbtk is false.  I'm not
1723 # 100% sure that that's safe though.
1724
1725 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-tix maybe-all-libgui"
1726 case "$enable_gdbtk" in
1727   no)
1728     GDB_TK="" ;;
1729   yes)
1730     GDB_TK="${gdb_tk}" ;;
1731   *)
1732     # Only add the dependency on gdbtk when GDBtk is part of the gdb
1733     # distro.  Eventually someone will fix this and move Insight, nee
1734     # gdbtk to a separate directory.
1735     if test -d ${srcdir}/gdb/gdbtk ; then
1736       GDB_TK="${gdb_tk}"
1737     else
1738       GDB_TK=""
1739     fi
1740     ;;
1741 esac
1742
1743 # Create the 'maybe dependencies'.  This uses a temporary file.
1744 rm -f maybedep.tmp
1745 echo '# maybedep.tmp' > maybedep.tmp
1746 for item in ${all_build_modules} ${all_host_modules} ${all_target_modules} \
1747         ${install_host_modules} ${install_target_modules} \
1748         ${configure_build_modules} ${configure_host_modules} ${configure_target_modules} \
1749         ; do
1750   echo "maybe-${item}: ${item}" >> maybedep.tmp
1751 done
1752 maybe_dependencies=maybedep.tmp
1753 AC_SUBST_FILE(maybe_dependencies)
1754
1755 # Create the serialization dependencies.  This uses a temporary file.
1756
1757 AC_ARG_ENABLE([serial-configure],
1758 [  --disable-serial-[{host,target,build}-]configure
1759                           Don't force sequential configuration of
1760                           sub-packages for the host, target or build
1761                           machine, or of any sub-packages at all])
1762
1763 # These force 'configure's to be done one at a time, to avoid problems
1764 # with contention over a shared config.cache.
1765 rm -f serdep.tmp
1766 echo '# serdep.tmp' > serdep.tmp
1767 olditem=
1768 test "x${enable_serial_configure}" = xno ||
1769 test "x${enable_serial_build_configure}" = xno ||
1770 for item in ${build_configdirs} ; do
1771   case ${olditem} in
1772     "") ;;
1773     *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
1774   esac
1775   olditem=${item}
1776 done
1777 olditem=
1778 test "x${enable_serial_configure}" = xno ||
1779 test "x${enable_serial_host_configure}" = xno ||
1780 for item in ${configdirs} ; do
1781   case ${olditem} in
1782     "") ;;
1783     *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
1784   esac
1785   olditem=${item}
1786 done
1787 olditem=
1788 test "x${enable_serial_configure}" = xno ||
1789 test "x${enable_serial_target_configure}" = xno ||
1790 for item in ${target_configdirs} ; do
1791   case ${olditem} in
1792     "") ;;
1793     *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
1794   esac
1795   olditem=${item}
1796 done
1797 serialization_dependencies=serdep.tmp
1798 AC_SUBST_FILE(serialization_dependencies)
1799
1800 # Base args.  Strip norecursion, cache-file, srcdir, host, build,
1801 # target and nonopt.  These are the ones we might not want to pass
1802 # down to subconfigures.
1803 baseargs=`echo " ${ac_configure_args} " | \
1804         sed -e 's/ --no[[^ ]]* / /' \
1805             -e 's/ --c[[a-z-]]*[[= ]][[^ ]]* / /' \
1806             -e 's/ --sr[[a-z-]]*[[= ]][[^ ]]* / /' \
1807             -e 's/ --ho[[a-z-]]*[[= ]][[^ ]]* / /' \
1808             -e 's/ --bu[[a-z-]]*[[= ]][[^ ]]* / /' \
1809             -e 's/ --t[[a-z-]]*[[= ]][[^ ]]* / /' \
1810             -e 's/ -cache-file[[= ]][[^ ]]* / /' \
1811             -e 's/ -srcdir[[= ]][[^ ]]* / /' \
1812             -e 's/ -host[[= ]][[^ ]]* / /' \
1813             -e 's/ -build[[= ]][[^ ]]* / /' \
1814             -e 's/ -target[[= ]][[^ ]]* / /' \
1815             -e 's/ [[^ -][^ ]*] / /' \
1816             -e 's/^ *//;s/ *$//'`
1817
1818 # For the build-side libraries, we just need to pretend we're native,
1819 # and not use the same cache file.  Multilibs are neither needed nor
1820 # desired.
1821 build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} ${baseargs}"
1822
1823 # For host modules, accept cache file option, or specification as blank.
1824 case "${cache_file}" in
1825 "") # empty
1826   cache_file_option="" ;;
1827 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
1828   cache_file_option="--cache-file=${cache_file}" ;;
1829 *) # relative path
1830   cache_file_option="--cache-file=../${cache_file}" ;;
1831 esac
1832
1833 host_configargs="${cache_file_option} --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
1834
1835 target_configargs=${baseargs}
1836
1837 # Passing a --with-cross-host argument lets the target libraries know
1838 # whether they are being built with a cross-compiler or being built
1839 # native.  However, it would be better to use other mechanisms to make the
1840 # sorts of decisions they want to make on this basis.  Please consider
1841 # this option to be deprecated.  FIXME.
1842 if test x${is_cross_compiler} = xyes ; then
1843   target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
1844 fi
1845
1846 # Default to --enable-multilib.
1847 if test x${enable_multilib} = x ; then
1848   target_configargs="--enable-multilib ${target_configargs}"
1849 fi
1850
1851 # Pass --with-newlib if appropriate.  Note that target_configdirs has
1852 # changed from the earlier setting of with_newlib.
1853 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
1854   target_configargs="--with-newlib ${target_configargs}"
1855 fi
1856
1857 # Pass the appropriate --host, --build, and --cache-file arguments.
1858 target_configargs="--cache-file=../config.cache --host=${target_alias} --build=${build_alias} ${target_configargs}"
1859
1860 # provide a proper gxx_include_dir.
1861 # Note, if you change the default, make sure to fix both here and in
1862 # the gcc and libstdc++-v3 subdirectories.
1863 # Check whether --with-gxx-include-dir or --without-gxx-include-dir was given.
1864 gxx_include_dir=
1865 if test -n "${with_gxx_include_dir}"; then
1866   case "${with_gxx_include_dir}" in
1867     yes )
1868       echo "configure.in: error: bad value ${withval} given for g++ include directory" 1>&2
1869       exit 1
1870       ;;
1871     no )
1872       ;;
1873     * )
1874       gxx_include_dir=${with_gxx_include_dir}
1875       ;;
1876   esac
1877 fi
1878 if test x${gxx_include_dir} = x; then
1879   if test x${enable_version_specific_runtime_libs} = xyes; then
1880     gxx_include_dir='${libsubdir}/include/c++'
1881   else
1882     . ${srcdir}/config.if
1883     gxx_include_dir='${prefix}/include/${libstdcxx_incdir}'
1884   fi
1885 else
1886   gxx_include_dir=${gxx_include_dir}
1887 fi
1888
1889 FLAGS_FOR_TARGET=
1890 case " $target_configdirs " in
1891  *" newlib "*)
1892   case " $target_configargs " in
1893   *" --with-newlib "*)
1894    case "$target" in
1895    *-cygwin*)
1896      FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/include -isystem $$s/winsup/cygwin/include -isystem $$s/winsup/w32api/include -isystem $$s/newlib/libc/sys/cygwin -isystem $$s/newlib/libc/sys/cygwin32' ;;
1897    esac
1898
1899    # If we're not building GCC, don't discard standard headers.
1900    if test -d ${srcdir}/gcc; then
1901      FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
1902
1903      if test "${build}" != "${host}"; then
1904        # On Canadian crosses, CC_FOR_TARGET will have already been set
1905        # by `configure', so we won't have an opportunity to add -Bgcc/
1906        # to it.  This is right: we don't want to search that directory
1907        # for binaries, but we want the header files in there, so add
1908        # them explicitly.
1909        FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/gcc/include'
1910
1911        # Someone might think of using the pre-installed headers on
1912        # Canadian crosses, in case the installed compiler is not fully
1913        # compatible with the compiler being built.  In this case, it
1914        # would be better to flag an error than risking having
1915        # incompatible object files being constructed.  We can't
1916        # guarantee that an error will be flagged, but let's hope the
1917        # compiler will do it, when presented with incompatible header
1918        # files.
1919      fi
1920    fi
1921
1922    case "${target}-${is_cross_compiler}" in
1923    i[[3456]]86-*-linux*-no)
1924       # Here host == target, so we don't need to build gcc,
1925       # so we don't want to discard standard headers.
1926       FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
1927       ;;
1928    *)
1929       # If we're building newlib, use its generic headers last, but search
1930       # for any libc-related directories first (so make it the last -B
1931       # switch).
1932       FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
1933       ;;
1934    esac
1935    ;;
1936   esac
1937   ;;
1938 esac
1939
1940 # On Canadian crosses, we'll be searching the right directories for
1941 # the previously-installed cross compiler, so don't bother to add
1942 # flags for directories within the install tree of the compiler
1943 # being built; programs in there won't even run.
1944 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
1945   # Search for pre-installed headers if nothing else fits.
1946   FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include'
1947 fi
1948
1949 if test "x${use_gnu_ld}" = x &&
1950    echo " ${configdirs} " | grep " ld " > /dev/null ; then
1951   # Arrange for us to find uninstalled linker scripts.
1952   FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/ld'
1953 fi
1954
1955 if test "x${CC_FOR_TARGET+set}" = xset; then
1956   :
1957 elif test -d ${srcdir}/gcc; then
1958   CC_FOR_TARGET='$$r/gcc/xgcc -B$$r/gcc/'
1959 elif test "$host" = "$target"; then
1960   CC_FOR_TARGET='$(CC)'
1961 else
1962   CC_FOR_TARGET=`echo gcc | sed "${program_transform_name}"`
1963 fi
1964 CC_FOR_TARGET=$CC_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1965
1966 if test "x${GCJ_FOR_TARGET+set}" = xset; then
1967   :
1968 elif test -d ${srcdir}/gcc; then
1969   GCJ_FOR_TARGET='$$r/gcc/gcj -B$$r/gcc/'
1970 elif test "$host" = "$target"; then
1971   GCJ_FOR_TARGET='gcj'
1972 else
1973   GCJ_FOR_TARGET=`echo gcj | sed "${program_transform_name}"`
1974 fi
1975 GCJ_FOR_TARGET=$GCJ_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1976
1977 # Don't use libstdc++-v3's flags to configure/build itself.
1978 libstdcxx_flags='`test ! -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/testsuite_flags || $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/testsuite_flags --build-includes` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
1979 raw_libstdcxx_flags=' -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
1980
1981 if test "x${CXX_FOR_TARGET+set}" = xset; then
1982   :
1983 elif test -d ${srcdir}/gcc; then
1984   # We add -shared-libgcc to CXX_FOR_TARGET whenever we use xgcc instead
1985   # of g++ for linking C++ or Java, because g++ has -shared-libgcc by
1986   # default whereas gcc does not.
1987   # RAW_CXX_FOR_TARGET is for linking C++ or java; CXX_FOR_TARGET is for
1988   # all other cases.
1989   CXX_FOR_TARGET='$$r/gcc/g++ -B$$r/gcc/ -nostdinc++ '$libstdcxx_flags
1990   RAW_CXX_FOR_TARGET='$$r/gcc/xgcc -shared-libgcc -B$$r/gcc/ -nostdinc++ '$raw_libstdcxx_flags
1991 elif test "$host" = "$target"; then
1992   CXX_FOR_TARGET='$(CXX)'
1993   RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
1994 else
1995   CXX_FOR_TARGET=`echo c++ | sed "${program_transform_name}"`
1996   RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
1997 fi
1998 CXX_FOR_TARGET=$CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1999 RAW_CXX_FOR_TARGET=$RAW_CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2000
2001 qCXX_FOR_TARGET=`echo "$CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2002 qRAW_CXX_FOR_TARGET=`echo "$RAW_CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2003
2004 # We want to defer the evaluation of `cmd`s and shell variables in
2005 # CXX_FOR_TARGET when recursing in the top-level Makefile, such as for
2006 # bootstrap.  We'll enclose CXX_FOR_TARGET_FOR_RECURSIVE_MAKE in single
2007 # quotes, but we still have to duplicate `$'s so that shell variables
2008 # can be expanded by the nested make as shell variables, not as make
2009 # macros.
2010 qqCXX_FOR_TARGET=`echo "$qCXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2011 qqRAW_CXX_FOR_TARGET=`echo "$qRAW_CXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2012
2013 # Wrap CC_FOR_TARGET and friends, for certain types of builds.
2014 CC_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${CC_FOR_TARGET}"
2015 GCJ_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GCJ_FOR_TARGET}"
2016 CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qCXX_FOR_TARGET}"
2017 RAW_CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qRAW_CXX_FOR_TARGET}"
2018 CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqCXX_FOR_TARGET}"
2019 RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqRAW_CXX_FOR_TARGET}"
2020
2021 # Makefile fragments.
2022 host_makefile_frag=${srcdir}/${host_makefile_frag}
2023 target_makefile_frag=${srcdir}/${target_makefile_frag}
2024 alphaieee_frag=${srcdir}/${alphaieee_frag}
2025 ospace_frag=${srcdir}/${ospace_frag}
2026 AC_SUBST_FILE(host_makefile_frag)
2027 AC_SUBST_FILE(target_makefile_frag)
2028 AC_SUBST_FILE(alphaieee_frag)
2029 AC_SUBST_FILE(ospace_frag)
2030
2031 # Miscellanea: directories, flags, etc.
2032 AC_SUBST(SET_LIB_PATH)
2033 AC_SUBST(RPATH_ENVVAR)
2034 AC_SUBST(BUILD_PREFIX)
2035 AC_SUBST(BUILD_PREFIX_1)
2036 AC_SUBST(configlinks)
2037 AC_SUBST(enable_shared)
2038 AC_SUBST(enable_threads)
2039 AC_SUBST(enable_version_specific_runtime_libs)
2040 AC_SUBST(gcc_version_trigger)
2041 AC_SUBST(gcc_version)
2042 AC_SUBST(tooldir)
2043 AC_SUBST(build_tooldir)
2044 AC_SUBST(GDB_TK)
2045 AC_SUBST(gxx_include_dir)
2046 AC_SUBST(libstdcxx_incdir)
2047
2048 # Build module lists & subconfigure args.
2049 AC_SUBST(build_subdir)
2050 AC_SUBST(build_configargs)
2051 AC_SUBST(configure_build_modules)
2052 AC_SUBST(all_build_modules)
2053
2054 # Host module lists & subconfigure args.
2055 AC_SUBST(host_configargs)
2056 AC_SUBST(configdirs)
2057 AC_SUBST(configure_host_modules)
2058 AC_SUBST(all_host_modules)
2059 AC_SUBST(check_host_modules)
2060 AC_SUBST(install_host_modules)
2061 AC_SUBST(install_host_modules_nogcc)
2062
2063 # Target module lists & subconfigure args.
2064 AC_SUBST(target_subdir)
2065 AC_SUBST(target_configargs)
2066 AC_SUBST(target_configdirs)
2067 AC_SUBST(configure_target_modules)
2068 AC_SUBST(all_target_modules)
2069 AC_SUBST(check_target_modules)
2070 AC_SUBST(install_target_modules)
2071
2072 # Build tools.
2073 AC_SUBST(BISON)
2074 AC_SUBST(CC_FOR_BUILD)
2075 AC_SUBST(LEX)
2076 AC_SUBST(MAKEINFO)
2077 AC_SUBST(YACC)
2078 AC_SUBST(config_shell)
2079
2080 # Host tools.
2081 NCN_STRICT_CHECK_TOOL(AR, ar)
2082 NCN_STRICT_CHECK_TOOL(AS, as)
2083 NCN_STRICT_CHECK_TOOL(DLLTOOL, dlltool)
2084 NCN_STRICT_CHECK_TOOL(LD, ld)
2085 NCN_STRICT_CHECK_TOOL(NM, nm)
2086 NCN_STRICT_CHECK_TOOL(RANLIB, ranlib, :)
2087 NCN_STRICT_CHECK_TOOL(WINDRES, windres)
2088 NCN_STRICT_CHECK_TOOL(OBJCOPY, objcopy)
2089 NCN_STRICT_CHECK_TOOL(OBJDUMP, objdump)
2090 AC_SUBST(CC)
2091 AC_SUBST(CXX)
2092 AC_SUBST(CFLAGS)
2093 AC_SUBST(CXXFLAGS)
2094 AC_SUBST(DEFAULT_YACC)
2095 AC_SUBST(DEFAULT_LEX)
2096 AC_SUBST(DEFAULT_M4)
2097
2098 # Target tools.
2099 NCN_STRICT_CHECK_TARGET_TOOL(AR_FOR_TARGET, ar)
2100 NCN_STRICT_CHECK_TARGET_TOOL(AS_FOR_TARGET, as)
2101 NCN_STRICT_CHECK_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
2102 NCN_STRICT_CHECK_TARGET_TOOL(LD_FOR_TARGET, ld)
2103 NCN_STRICT_CHECK_TARGET_TOOL(NM_FOR_TARGET, nm)
2104 NCN_STRICT_CHECK_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib, :)
2105 NCN_STRICT_CHECK_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
2106
2107 AC_SUBST(GCC_FOR_TARGET)
2108 AC_SUBST(FLAGS_FOR_TARGET)
2109 AC_SUBST(CC_FOR_TARGET)
2110 AC_SUBST(GCJ_FOR_TARGET)
2111 AC_SUBST(CXX_FOR_TARGET)
2112 AC_SUBST(RAW_CXX_FOR_TARGET)
2113 AC_SUBST(CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2114 AC_SUBST(RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2115
2116 # Fix up target tools.
2117 if test "x${build}" = "x${host}" ; then
2118   # In this case, the newly built tools can and should be used,
2119   # so we override the results of the autoconf tests.
2120   # This should really only happen when the tools are actually being built,
2121   # but that's a further refinement.  The new build scheme, where
2122   # tools are built into a structure paralleling where they're installed,
2123   # should also eliminate all of this cleanly.
2124   AR_FOR_TARGET="\$(USUAL_AR_FOR_TARGET)"
2125   AS_FOR_TARGET="\$(USUAL_AS_FOR_TARGET)"
2126   DLLTOOL_FOR_TARGET="\$(USUAL_DLLTOOL_FOR_TARGET)"
2127   LD_FOR_TARGET="\$(USUAL_LD_FOR_TARGET)"
2128   NM_FOR_TARGET="\$(USUAL_NM_FOR_TARGET)"
2129   RANLIB_FOR_TARGET="\$(USUAL_RANLIB_FOR_TARGET)"
2130   WINDRES_FOR_TARGET="\$(USUAL_WINDRES_FOR_TARGET)"
2131 fi
2132 # Certain tools may need extra flags.
2133 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2134 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2135 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2136
2137 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2138 AC_ARG_ENABLE(maintainer-mode,
2139 [  --enable-maintainer-mode enable make rules and dependencies not useful
2140                           (and sometimes confusing) to the casual installer],
2141       USE_MAINTAINER_MODE=$enableval,
2142       USE_MAINTAINER_MODE=no)
2143 AC_MSG_RESULT($USE_MAINTAINER_MODE)
2144 AC_SUBST(MAINTAINER_MODE_TRUE)
2145 AC_SUBST(MAINTAINER_MODE_FALSE)
2146 if test "$USE_MAINTAINER_MODE" = yes; then
2147   MAINTAINER_MODE_TRUE=
2148   MAINTAINER_MODE_FALSE='#'
2149 else
2150   MAINTAINER_MODE_TRUE='#'
2151   MAINTAINER_MODE_FALSE=
2152 fi
2153 MAINT=$MAINTAINER_MODE_TRUE
2154 AC_SUBST(MAINT)dnl
2155
2156 AC_OUTPUT(Makefile)