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=`${PWDCMD-pwd}`; fi
  68
  69 # Export original configure arguments for use by sub-configures.  These
  70 # will be expanded by make, so quote '$'.
  71 tmp="$progname $@"
  72 sed -e 's,\$,$$,g' <<EOF_SED > conftestsed.out
  73 $tmp
  74 EOF_SED
  75 TOPLEVEL_CONFIGURE_ARGUMENTS=`cat conftestsed.out`
  76 rm -f conftestsed.out
  77 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
  78
  79 moveifchange=${srcdir}/move-if-change
  80
  81 # Set srcdir to "." if that's what it is.
  82 # This is important for multilib support.
  83 pwd=`${PWDCMD-pwd}`
  84 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
  85 if test "${pwd}" = "${srcpwd}" ; then
  86   srcdir=.
  87 fi
  88
  89 topsrcdir=$srcpwd
  90
  91 extra_host_args=
  92 # Define the trigger file to make sure configure will re-run whenever
  93 # the gcc version number changes.
  94 if test "${with_gcc_version_trigger+set}" = set ; then
  95   gcc_version_trigger="$with_gcc_version_trigger"
  96   gcc_version=`grep version_string ${with_gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'`
  97 else
  98   # If gcc's sources are available, define the trigger file.
  99   if test -f ${topsrcdir}/gcc/version.c ; then
 100     gcc_version_trigger=${topsrcdir}/gcc/version.c
 101     gcc_version=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'`
 102     case "$ac_configure_args" in
 103       *--with-gcc-version-trigger=$gcc_version_trigger* )
 104         ;;
 105       * )
 106         # Add to all subconfigure arguments: build, host, and target.
 107         ac_configure_args="$ac_configure_args --with-gcc-version-trigger=$gcc_version_trigger"
 108         ;;
 109     esac
 110   fi
 111 fi
 112
 113 ### To add a new directory to the tree, first choose whether it is a target
 114 ### or a host dependent tool.  Then put it into the appropriate list
 115 ### (library or tools, host or target), doing a dependency sort.
 116
 117 # Subdirs will be configured in the order listed in build_configdirs,
 118 # configdirs, or target_configdirs; see the serialization section below.
 119
 120 # Dependency sorting is only needed when *configuration* must be done in
 121 # a particular order.  In all cases a dependency should be specified in
 122 # the Makefile, whether or not it's implicitly specified here.
 123
 124 # Double entries in build_configdirs, configdirs, or target_configdirs may
 125 # cause circular dependencies and break everything horribly.
 126
 127 # these libraries are used by various programs built for the host environment
 128 #
 129 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl tix libgui zlib"
 130
 131 # these tools are built for the host environment
 132 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
 133 # know that we are building the simulator.
 134 # binutils, gas and ld appear in that order because it makes sense to run
 135 # "make check" in that particular order.
 136 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"
 137
 138 # libgcj represents the runtime libraries only used by gcj.
 139 libgcj="target-libffi \
 140         target-boehm-gc \
 141         target-zlib \
 142         target-qthreads \
 143         target-libjava"
 144
 145 # these libraries are built for the target environment, and are built after
 146 # the host libraries and the host tools (which may be a cross compiler)
 147 #
 148 target_libraries="target-libiberty \
 149                 target-libgloss \
 150                 target-newlib \
 151                 target-libstdc++-v3 \
 152                 target-libf2c \
 153                 ${libgcj} \
 154                 target-libobjc"
 155
 156 # these tools are built using the target libraries, and are intended to
 157 # run only in the target environment
 158 #
 159 # note: any program that *uses* libraries that are in the "target_libraries"
 160 # list belongs in this list.  those programs are also very likely
 161 # candidates for the "native_only" list which follows
 162 #
 163 target_tools="target-examples target-groff target-gperf target-rda"
 164
 165 ################################################################################
 166
 167 ## All tools belong in one of the four categories, and are assigned above
 168 ## We assign ${configdirs} this way to remove all embedded newlines.  This
 169 ## is important because configure will choke if they ever get through.
 170 ## ${configdirs} is directories we build using the host tools.
 171 ## ${target_configdirs} is directories we build using the target tools.
 172 #
 173 configdirs=`echo ${host_libs} ${host_tools}`
 174 target_configdirs=`echo ${target_libraries} ${target_tools}`
 175
 176 # Only make build modules if build != host.
 177 # This should be done more generally, but at the moment it doesn't matter.
 178 if test ${host_alias} != ${build_alias} ; then
 179   # This is the only build module.
 180   build_modules=libiberty
 181 else
 182   build_modules=
 183 fi
 184
 185
 186 ################################################################################
 187
 188 srcname="gnu development package"
 189
 190 # This gets set non-empty for some net releases of packages.
 191 appdirs=""
 192
 193 # Define is_cross_compiler to save on calls to 'test'.
 194 is_cross_compiler=
 195 if test x"${host}" = x"${target}" ; then
 196   is_cross_compiler=no
 197 else
 198   is_cross_compiler=yes
 199 fi
 200
 201 # Find the build and target subdir names.
 202 GCC_TOPLEV_SUBDIRS
 203
 204 # Skipdirs are removed silently.
 205 skipdirs=
 206 # Noconfigdirs are removed loudly.
 207 noconfigdirs=""
 208
 209 use_gnu_ld=
 210 # Make sure we don't let GNU ld be added if we didn't want it.
 211 if test x$with_gnu_ld = xno ; then
 212   use_gnu_ld=no
 213   noconfigdirs="$noconfigdirs ld"
 214 fi
 215
 216 use_gnu_as=
 217 # Make sure we don't let GNU as be added if we didn't want it.
 218 if test x$with_gnu_as = xno ; then
 219   use_gnu_as=no
 220   noconfigdirs="$noconfigdirs gas"
 221 fi
 222
 223 # some tools are so dependent upon X11 that if we're not building with X,
 224 # it's not even worth trying to configure, much less build, that tool.
 225
 226 case ${with_x} in
 227   yes | "") ;; # the default value for this tree is that X11 is available
 228   no)
 229     skipdirs="${skipdirs} tk tix itcl libgui"
 230     # We won't be able to build gdbtk without X.
 231     enable_gdbtk=no
 232     ;;
 233   *)  echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
 234 esac
 235
 236 # Some tools are only suitable for building in a "native" situation.
 237 # Remove these if host!=target.
 238 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"
 239
 240 # Similarly, some are only suitable for cross toolchains.
 241 # Remove these if host=target.
 242 cross_only="target-libgloss target-newlib target-opcodes"
 243
 244 case $is_cross_compiler in
 245   no) skipdirs="${skipdirs} ${cross_only}" ;;
 246   yes) skipdirs="${skipdirs} ${native_only}" ;;
 247 esac
 248
 249 # If both --with-headers and --with-libs are specified, default to
 250 # --without-newlib.
 251 if test x"${with_headers}" != x && test x"${with_headers} != xno \
 252    && test x"${with_libs}" != x && test x"${with_libs} != xno ; then
 253   if test x"${with_newlib}" = x ; then
 254     with_newlib=no
 255   fi
 256 fi
 257
 258 # Recognize --with-newlib/--without-newlib.
 259 case ${with_newlib} in
 260   no) skipdirs="${skipdirs} target-newlib" ;;
 261   yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
 262 esac
 263
 264 # Configure extra directories which are host specific
 265
 266 case "${host}" in
 267   *-cygwin*)
 268     configdirs="$configdirs libtermcap" ;;
 269 esac
 270
 271 # Remove more programs from consideration, based on the host or
 272 # target this usually means that a port of the program doesn't
 273 # exist yet.
 274
 275 case "${host}" in
 276   hppa*64*-*-*)
 277     noconfigdirs="$noconfigdirs byacc"
 278     ;;
 279   i[[3456789]]86-*-vsta)
 280     noconfigdirs="tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl tix gnuserv gettext"
 281     ;;
 282   i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
 283     noconfigdirs="tcl tk expect dejagnu send-pr uudecode guile itcl tix gnuserv libffi"
 284     ;;
 285   i[[3456789]]86-*-mingw32*)
 286     # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl tix gnuserv"
 287     noconfigdirs="expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool"
 288     ;;
 289   i[[3456789]]86-*-beos*)
 290     noconfigdirs="$noconfigdirs tk itcl tix libgui gdb"
 291     ;;
 292   *-*-cygwin*)
 293     noconfigdirs="autoconf automake send-pr rcs guile perl"
 294     ;;
 295   *-*-netbsd*)
 296     noconfigdirs="rcs"
 297     ;;
 298   ppc*-*-pe)
 299     noconfigdirs="patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl tix gnuserv"
 300     ;;
 301   powerpc-*-beos*)
 302     noconfigdirs="$noconfigdirs tk itcl tix libgui gdb dejagnu readline"
 303     ;;
 304   *-*-darwin*)
 305     noconfigdirs="$noconfigdirs tk itcl tix libgui"
 306     ;;
 307 esac
 308
 309 # Save it here so that, even in case of --enable-libgcj, if the Java
 310 # front-end isn't enabled, we still get libgcj disabled.
 311 libgcj_saved=$libgcj
 312 case $enable_libgcj in
 313 yes)
 314   # If we reset it here, it won't get added to noconfigdirs in the
 315   # target-specific build rules, so it will be forcibly enabled
 316   # (unless the Java language itself isn't enabled).
 317   libgcj=
 318   ;;
 319 no)
 320   # Make sure we get it printed in the list of not supported target libs.
 321   noconfigdirs="$noconfigdirs ${libgcj}"
 322   ;;
 323 esac
 324
 325 case "${target}" in
 326   *-*-chorusos)
 327     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 328     ;;
 329   powerpc-*-darwin*)
 330     noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
 331     noconfigdirs="$noconfigdirs target-libobjc"
 332     ;;
 333   *-*-darwin*)
 334     noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
 335     noconfigdirs="$noconfigdirs target-libobjc ${libgcj}"
 336     ;;
 337   *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
 338     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 339     ;;
 340   *-*-kaos*)
 341     # Remove unsupported stuff on all kaOS configurations.
 342     skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-libf2c target-librx"
 343     skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
 344     skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
 345     noconfigdirs="$noconfigdirs target-libgloss"
 346     ;;
 347   *-*-netbsd*)
 348     # Skip some stuff on all NetBSD configurations.
 349     noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
 350
 351     # Skip some stuff that's unsupported on some NetBSD configurations.
 352     case "${target}" in
 353       i*86-*-netbsdelf*) ;;
 354       arm*-*-netbsdelf*) ;;
 355       *)
 356         noconfigdirs="$noconfigdirs ${libgcj}"
 357         ;;
 358     esac
 359     ;;
 360   *-*-netware)
 361     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-newlib target-libiberty target-libgloss ${libgcj}"
 362     ;;
 363   *-*-rtems*)
 364     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 365     case ${target} in
 366         h8300*-*-* | h8500-*-*)
 367           noconfigdirs="$noconfigdirs target-libf2c"
 368           ;;
 369         *) ;;
 370     esac
 371     ;;
 372   *-*-uclinux*)
 373     noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
 374     ;;
 375   *-*-vxworks*)
 376     noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj}"
 377     ;;
 378   alpha*-dec-osf*)
 379     # ld works, but does not support shared libraries.
 380     # newlib is not 64 bit ready.  I'm not sure about fileutils.
 381     # gas doesn't generate exception information.
 382     noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
 383     ;;
 384   alpha*-*-*vms*)
 385     noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
 386     ;;
 387   alpha*-*-linux*)
 388     # newlib is not 64 bit ready
 389     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 390     ;;
 391   alpha*-*-freebsd* | alpha*-*-kfreebsd*-gnu)
 392     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 393     ;;
 394   alpha*-*-*)
 395     # newlib is not 64 bit ready
 396     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 397     ;;
 398   am33_2.0-*-linux*)
 399     noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
 400     ;;
 401   sh-*-linux*)
 402     noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
 403     ;;
 404   sh*-*-pe|mips*-*-pe|*arm-wince-pe)
 405     noconfigdirs="$noconfigdirs ${libgcj}"
 406     noconfigdirs="$noconfigdirs target-examples"
 407     noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
 408     noconfigdirs="$noconfigdirs tcl tix tk itcl libgui sim"
 409     noconfigdirs="$noconfigdirs expect dejagnu"
 410     # the C++ libraries don't build on top of CE's C libraries
 411     noconfigdirs="$noconfigdirs target-libstdc++-v3"
 412     noconfigdirs="$noconfigdirs target-newlib"
 413     case "${host}" in
 414       *-*-cygwin*) ;; # keep gdb and readline
 415       *) noconfigdirs="$noconfigdirs gdb readline"
 416          ;;
 417     esac
 418     ;;
 419   arc-*-*)
 420     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 421     ;;
 422   arm-*-coff | strongarm-*-coff | xscale-*-coff)
 423     noconfigdirs="$noconfigdirs ${libgcj}"
 424     ;;
 425   arm-*-elf* | strongarm-*-elf* | xscale-*-elf*)
 426     noconfigdirs="$noconfigdirs target-libffi target-qthreads"
 427     ;;
 428   arm-*-pe*)
 429     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 430     ;;
 431   arm-*-oabi*)
 432     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 433     ;;
 434   thumb-*-coff)
 435     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 436     ;;
 437   thumb-*-elf)
 438     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 439     ;;
 440   thumb-*-oabi)
 441     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 442     ;;
 443   thumb-*-pe)
 444     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 445     ;;
 446   arm-*-riscix*)
 447     noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
 448     ;;
 449   avr-*-*)
 450     noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
 451     ;;
 452   c4x-*-* | tic4x-*-*)
 453     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
 454     ;;
 455   c54x*-*-* | tic54x-*-*)
 456     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
 457     ;;
 458   cris-*-*)
 459     noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
 460     ;;
 461   d10v-*-*)
 462     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
 463     ;;
 464   d30v-*-*)
 465     noconfigdirs="$noconfigdirs ${libgcj} gdb"
 466     ;;
 467   fr30-*-elf*)
 468     noconfigdirs="$noconfigdirs ${libgcj} gdb"
 469     ;;
 470   frv-*-*)
 471     noconfigdirs="$noconfigdirs ${libgcj}"
 472     ;;
 473   h8300*-*-*)
 474     noconfigdirs="$noconfigdirs target-libgloss ${libgcj} target-libf2c"
 475     ;;
 476   h8500-*-*)
 477     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} target-libf2c"
 478     ;;
 479   hppa*64*-*-linux* | parisc*64*-*-linux*)
 480     # In this case, it's because the hppa64-linux target is for
 481     # the kernel only at this point and has no libc, and thus no
 482     # headers, crt*.o, etc., all of which are needed by these.
 483     noconfigdirs="$noconfigdirs target-zlib"
 484     ;;
 485   hppa*-*-*elf* | \
 486   parisc*-*-linux* | hppa*-*-linux* | \
 487   hppa*-*-lites* | \
 488   hppa*-*-openbsd* | \
 489   hppa*64*-*-*)
 490     noconfigdirs="$noconfigdirs ${libgcj}"
 491     # Do configure ld/binutils/gas for this case.
 492     ;;
 493   hppa*-*-*)
 494     # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
 495     # build on HP-UX 10.20.
 496     noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
 497     ;;
 498   i960-*-*)
 499     noconfigdirs="$noconfigdirs ${libgcj} gdb"
 500     ;;
 501   ia64*-*-elf*)
 502     # No gdb support yet.
 503     noconfigdirs="$noconfigdirs tix readline mmalloc libgui itcl gdb"
 504     ;;
 505   ia64*-**-hpux*)
 506     # No gdb or ld support yet.
 507     noconfigdirs="$noconfigdirs tix readline mmalloc libgui itcl gdb ld"
 508     ;;
 509   i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
 510     noconfigdirs="$noconfigdirs ${libgcj}"
 511     ;;
 512   i[[3456789]]86-*-freebsd* | i[[3456789]]86-*-kfreebsd*-gnu)
 513     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 514     ;;
 515   i[[3456789]]86-*-linux*)
 516     # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
 517     # not build java stuff by default.
 518     case "${target}" in
 519       *-*-*libc1*)
 520         noconfigdirs="$noconfigdirs ${libgcj}";;
 521     esac
 522
 523     # This section makes it possible to build newlib natively on linux.
 524     # If we are using a cross compiler then don't configure newlib.
 525     if test x${is_cross_compiler} != xno ; then
 526       noconfigdirs="$noconfigdirs target-newlib"
 527     fi
 528     noconfigdirs="$noconfigdirs target-libgloss"
 529     # If we are not using a cross compiler, do configure newlib.
 530     # Note however, that newlib will only be configured in this situation
 531     # if the --with-newlib option has been given, because otherwise
 532     # 'target-newlib' will appear in skipdirs.
 533     ;;
 534   i[[3456789]]86-*-mingw32*)
 535     target_configdirs="$target_configdirs target-mingw"
 536     noconfigdirs="$noconfigdirs expect target-libgloss ${libgcj}"
 537
 538     # Can't build gdb for mingw32 if not native.
 539     case "${host}" in
 540       i[[3456789]]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
 541       *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix gnuserv"
 542          ;;
 543     esac
 544     ;;
 545   *-*-cygwin*)
 546     target_configdirs="$target_configdirs target-libtermcap target-winsup"
 547     noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
 548     # always build newlib.
 549     skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
 550
 551     # Can't build gdb for Cygwin if not native.
 552     case "${host}" in
 553       *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
 554       *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix libgui gnuserv"
 555          ;;
 556     esac
 557     ;;
 558   i[[3456789]]86-*-pe)
 559     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
 560     ;;
 561   i[[3456789]]86-*-sco3.2v5*)
 562     # The linker does not yet know about weak symbols in COFF,
 563     # and is not configured to handle mixed ELF and COFF.
 564     noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
 565     ;;
 566   i[[3456789]]86-*-sco*)
 567     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 568     ;;
 569   i[[3456789]]86-*-solaris2*)
 570     noconfigdirs="$noconfigdirs target-libgloss"
 571     ;;
 572   i[[3456789]]86-*-sysv4*)
 573     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 574     ;;
 575   i[[3456789]]86-*-beos*)
 576     noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
 577     ;;
 578   m32r-*-*)
 579     noconfigdirs="$noconfigdirs ${libgcj}"
 580     ;;
 581   m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
 582     noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
 583     ;;
 584   m68k-*-elf*)
 585     noconfigdirs="$noconfigdirs ${libgcj}"
 586     ;;
 587   m68k-*-coff*)
 588     noconfigdirs="$noconfigdirs ${libgcj}"
 589     ;;
 590   mcore-*-pe*)
 591   # The EPOC C++ environment does not support exceptions or rtti,
 592   # and so building libstdc++-v3 tends not to always work.
 593     noconfigdirs="$noconfigdirs target-libstdc++-v3"
 594     ;;
 595   mmix-*-*)
 596     noconfigdirs="$noconfigdirs ${libgcj} gdb libgloss"
 597     ;;
 598   mn10200-*-*)
 599     noconfigdirs="$noconfigdirs ${libgcj}"
 600     ;;
 601   mn10300-*-*)
 602     noconfigdirs="$noconfigdirs ${libgcj}"
 603     ;;
 604   powerpc-*-aix*)
 605     # copied from rs6000-*-* entry
 606     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 607     ;;
 608   powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
 609     target_configdirs="$target_configdirs target-winsup"
 610     noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl tix gnuserv ${libgcj}"
 611     # always build newlib.
 612     skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
 613     ;;
 614     # This is temporary until we can link against shared libraries
 615   powerpcle-*-solaris*)
 616     noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl tix gnuserv ${libgcj}"
 617     ;;
 618   powerpc-*-beos*)
 619     noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
 620     ;;
 621   powerpc-*-eabi)
 622     noconfigdirs="$noconfigdirs ${libgcj}"
 623     ;;
 624   rs6000-*-lynxos*)
 625     noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
 626     ;;
 627   rs6000-*-aix*)
 628     noconfigdirs="$noconfigdirs gprof ${libgcj}"
 629     ;;
 630   rs6000-*-*)
 631     noconfigdirs="$noconfigdirs gprof ${libgcj}"
 632     ;;
 633   m68k-apollo-*)
 634     noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
 635     ;;
 636   mips*-*-irix5*)
 637     # The GNU linker does not support shared libraries.
 638     noconfigdirs="$noconfigdirs ld gprof target-libgloss ${libgcj}"
 639     ;;
 640   mips*-*-irix6*)
 641     # Linking libjava exceeds command-line length limits on at least
 642     # IRIX 6.2, but not on IRIX 6.5.
 643     # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
 644     # <oldham@codesourcery.com>
 645     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 646     ;;
 647   mips*-dec-bsd*)
 648     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 649     ;;
 650   mips*-*-bsd*)
 651     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 652     ;;
 653   mipstx39-*-*)
 654     noconfigdirs="$noconfigdirs gprof ${libgcj}"   # same as generic mips
 655     ;;
 656   mips*-*-linux*)
 657     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 658     ;;
 659   mips*-*-*)
 660     noconfigdirs="$noconfigdirs gprof ${libgcj}"
 661     ;;
 662   romp-*-*)
 663     noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
 664     ;;
 665   sh-*-*)
 666     case "${host}" in
 667       i[[3456789]]86-*-vsta) ;; # don't add gprof back in
 668       i[[3456789]]86-*-go32*) ;; # don't add gprof back in
 669       i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
 670       *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
 671     esac
 672     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 673     ;;
 674   sh64-*-*)
 675     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 676     ;;
 677   sparc-*-elf*)
 678     noconfigdirs="$noconfigdirs ${libgcj}"
 679     ;;
 680   sparc64-*-elf*)
 681     noconfigdirs="$noconfigdirs ${libgcj}"
 682     ;;
 683   sparclite-*-*)
 684     noconfigdirs="$noconfigdirs ${libgcj}"
 685     ;;
 686   sparc-*-sunos4*)
 687     noconfigdirs="$noconfigdirs ${libgcj}"
 688     if test x${is_cross_compiler} != xno ; then
 689            noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
 690     else
 691            use_gnu_ld=no
 692     fi
 693     ;;
 694   sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
 695     ;;
 696   v810-*-*)
 697     noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
 698     ;;
 699   v850-*-*)
 700     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 701     ;;
 702   v850e-*-*)
 703     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 704     ;;
 705   v850ea-*-*)
 706     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 707     ;;
 708   vax-*-vms)
 709     noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
 710     ;;
 711   vax-*-*)
 712     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 713     ;;
 714   xtensa-*-*)
 715     noconfigdirs="$noconfigdirs ${libgcj}"
 716     ;;
 717   ip2k-*-*)
 718     noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
 719     ;;
 720   *-*-linux*)
 721     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 722     ;;
 723   *-*-lynxos*)
 724     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 725     ;;
 726   *-*-*)
 727     noconfigdirs="$noconfigdirs ${libgcj}"
 728     ;;
 729 esac
 730
 731 # If we aren't building newlib, then don't build libgloss, since libgloss
 732 # depends upon some newlib header files.
 733 case "${noconfigdirs}" in
 734   *target-libgloss*) ;;
 735   *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
 736 esac
 737
 738 # Figure out what language subdirectories are present.
 739 # Look if the user specified --enable-languages="..."; if not, use
 740 # the environment variable $LANGUAGES if defined. $LANGUAGES might
 741 # go away some day.
 742 # NB:  embedded tabs in this IF block -- do not untabify
 743 if test x"${enable_languages+set}" != xset; then
 744   if test x"${LANGUAGES+set}" = xset; then
 745     enable_languages="${LANGUAGES}"
 746       echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
 747   else
 748     enable_languages=all
 749   fi
 750 else
 751   if test x"${enable_languages}" = x ||
 752      test x"${enable_languages}" = xyes;
 753      then
 754     echo configure.in: --enable-languages needs at least one language argument 1>&2
 755     exit 1
 756   fi
 757 fi
 758 enable_languages=`echo "${enable_languages}" | sed -e 's/[[     ,]][[   ,]]*/,/g' -e 's/,$//'`
 759
 760 # First scan to see if an enabled language requires some other language.
 761 # We assume that a given config-lang.in will list all the language
 762 # front ends it requires, even if some are required indirectly.
 763 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
 764   case ${lang_frag} in
 765     ..) ;;
 766     # The odd quoting in the next line works around
 767     # an apparent bug in bash 1.12 on linux.
 768     ${srcdir}/gcc/[[*]]/config-lang.in) ;;
 769     *)
 770       # From the config-lang.in, get $language, $lang_requires
 771       language=
 772       lang_requires=
 773       . ${lang_frag}
 774       for other in ${lang_requires} ; do
 775         case ,${enable_languages}, in
 776           *,$other,*) ;;
 777           *,all,*) ;;
 778           *,$language,*)
 779             echo " \`$other' language required by \`$language'; enabling" 1>&2
 780             enable_languages="${enable_languages},${other}"
 781             ;;
 782         esac
 783       done
 784       ;;
 785   esac
 786 done
 787
 788 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
 789   case ${lang_frag} in
 790     ..) ;;
 791     # The odd quoting in the next line works around
 792     # an apparent bug in bash 1.12 on linux.
 793     ${srcdir}/gcc/[[*]]/config-lang.in) ;;
 794     *)
 795       # From the config-lang.in, get $language, $target_libs,
 796       # $lang_dirs, and $build_by_default
 797       language=
 798       target_libs=
 799       lang_dirs=
 800       build_by_default=
 801       . ${lang_frag}
 802       if test "x$language" = x ; then
 803         echo "${lang_frag} doesn't set \$language." 1>&2
 804         exit 1
 805       fi
 806       case ,${enable_languages}, in
 807         *,${language},*)
 808           # Language was explicitly selected; include it.
 809           add_this_lang=yes
 810           ;;
 811         *,all,*)
 812           # 'all' was selected; include 'default' languages.
 813           case ${build_by_default} in
 814             no) add_this_lang=no ;;
 815             *) add_this_lang=yes ;;
 816           esac
 817           ;;
 818         *) add_this_lang=no ;;
 819       esac
 820       case ${add_this_lang} in
 821         no)
 822           # Remove language-dependent dirs.
 823           eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
 824           ;;
 825       esac
 826       ;;
 827   esac
 828 done
 829
 830 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs and
 831 # $target_configdirs.
 832 # If we have the source for $noconfigdirs entries, add them to $notsupp.
 833
 834 notsupp=""
 835 for dir in . $skipdirs $noconfigdirs ; do
 836   dirname=`echo $dir | sed -e s/target-//g`
 837   if test $dir != .  && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 838     configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
 839     if test -r $srcdir/$dirname/configure ; then
 840       if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 841         true
 842       else
 843         notsupp="$notsupp $dir"
 844       fi
 845     fi
 846   fi
 847   if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 848     target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
 849     if test -r $srcdir/$dirname/configure ; then
 850       if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 851         true
 852       else
 853         notsupp="$notsupp $dir"
 854       fi
 855     fi
 856   fi
 857 done
 858
 859 # Sometimes the tools are distributed with libiberty but with no other
 860 # libraries.  In that case, we don't want to build target-libiberty.
 861 if test -n "${target_configdirs}" ; then
 862   others=
 863   for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
 864     if test "$i" != "libiberty" ; then
 865       if test -r $srcdir/$i/configure ; then
 866         others=yes;
 867         break;
 868       fi
 869     fi
 870   done
 871   if test -z "${others}" ; then
 872     target_configdirs=
 873   fi
 874 fi
 875
 876 # Quietly strip out all directories which aren't configurable in this tree.
 877 # This relies on all configurable subdirectories being autoconfiscated, which
 878 # is now the case.
 879 configdirs_all="$configdirs"
 880 configdirs=
 881 for i in ${configdirs_all} ; do
 882   if test -f ${srcdir}/$i/configure ; then
 883     configdirs="${configdirs} $i"
 884   fi
 885 done
 886 target_configdirs_all="$target_configdirs"
 887 target_configdirs=
 888 for i in ${target_configdirs_all} ; do
 889   j=`echo $i | sed -e s/target-//g`
 890   if test -f ${srcdir}/$j/configure ; then
 891     target_configdirs="${target_configdirs} $i"
 892   fi
 893 done
 894
 895 # Produce a warning message for the subdirs we can't configure.
 896 # This isn't especially interesting in the Cygnus tree, but in the individual
 897 # FSF releases, it's important to let people know when their machine isn't
 898 # supported by the one or two programs in a package.
 899
 900 if test -n "${notsupp}" && test -z "${norecursion}" ; then
 901   # If $appdirs is non-empty, at least one of those directories must still
 902   # be configured, or we error out.  (E.g., if the gas release supports a
 903   # specified target in some subdirs but not the gas subdir, we shouldn't
 904   # pretend that all is well.)
 905   if test -n "$appdirs" ; then
 906     for dir in $appdirs ; do
 907       if test -r $dir/Makefile.in ; then
 908         if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 909           appdirs=""
 910           break
 911         fi
 912         if echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 913           appdirs=""
 914           break
 915         fi
 916       fi
 917     done
 918     if test -n "$appdirs" ; then
 919       echo "*** This configuration is not supported by this package." 1>&2
 920       exit 1
 921     fi
 922   fi
 923   # Okay, some application will build, or we don't care to check.  Still
 924   # notify of subdirs not getting built.
 925   echo "*** This configuration is not supported in the following subdirectories:" 1>&2
 926   echo "    ${notsupp}" 1>&2
 927   echo "    (Any other directories should still work fine.)" 1>&2
 928 fi
 929
 930 case "$host" in
 931   *msdosdjgpp*)
 932     enable_gdbtk=no ;;
 933 esac
 934
 935 copy_dirs=
 936
 937 # Handle --with-headers=XXX.  If the value is not "yes", the contents of
 938 # the named directory are copied to $(tooldir)/sys-include.
 939 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
 940   if test x${is_cross_compiler} = xno ; then
 941     echo 1>&2 '***' --with-headers is only supported when cross compiling
 942     exit 1
 943   fi
 944   if test x"${with_headers}" != xyes ; then
 945     case "${exec_prefixoption}" in
 946     "") x=${prefix} ;;
 947     *) x=${exec_prefix} ;;
 948     esac
 949     copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
 950   fi
 951 fi
 952
 953 # Handle --with-libs=XXX.  If the value is not "yes", the contents of
 954 # the name directories are copied to $(tooldir)/lib.  Multiple directories
 955 # are permitted.
 956 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
 957   if test x${is_cross_compiler} = xno ; then
 958     echo 1>&2 '***' --with-libs is only supported when cross compiling
 959     exit 1
 960   fi
 961   if test x"${with_libs}" != xyes ; then
 962     # Copy the libraries in reverse order, so that files in the first named
 963     # library override files in subsequent libraries.
 964     case "${exec_prefixoption}" in
 965     "") x=${prefix} ;;
 966     *) x=${exec_prefix} ;;
 967     esac
 968     for l in ${with_libs}; do
 969       copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
 970     done
 971   fi
 972 fi
 973
 974 # Handle ${copy_dirs}
 975 set fnord ${copy_dirs}
 976 shift
 977 while test $# != 0 ; do
 978   if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
 979     :
 980   else
 981     echo Copying $1 to $2
 982
 983     # Use the install script to create the directory and all required
 984     # parent directories.
 985     if test -d $2 ; then
 986       :
 987     else
 988       echo >config.temp
 989       ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
 990     fi
 991
 992     # Copy the directory, assuming we have tar.
 993     # FIXME: Should we use B in the second tar?  Not all systems support it.
 994     (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
 995
 996     # It is the responsibility of the user to correctly adjust all
 997     # symlinks.  If somebody can figure out how to handle them correctly
 998     # here, feel free to add the code.
 999
1000     echo $1 > $2/COPIED
1001   fi
1002   shift; shift
1003 done
1004
1005 # Work in distributions that contain no compiler tools, like Autoconf.
1006 tentative_cc=""
1007 host_makefile_frag=/dev/null
1008 if test -d ${srcdir}/config ; then
1009 case "${host}" in
1010   m68k-hp-hpux*)
1011     # Avoid "too much defining" errors from HPUX compiler.
1012     tentative_cc="cc -Wp,-H256000"
1013     # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
1014     # If it's HP/UX ar, this should be harmless.
1015     RANLIB="ar ts"
1016     ;;
1017   m68k-apollo-sysv*)
1018     tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
1019     ;;
1020   m68k-apollo-bsd*)
1021     #None of the Apollo compilers can compile gas or binutils.  The preprocessor
1022     # chokes on bfd, the compiler won't let you assign integers to enums, and
1023     # other problems.  Defining CC to gcc is a questionable way to say "don't use
1024     # the apollo compiler" (the preferred version of GCC could be called cc,
1025     # or whatever), but I'm not sure leaving CC as cc is any better...
1026     #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
1027     # Used to have BISON=yacc.
1028     tentative_cc=gcc
1029     ;;
1030   m88k-dg-dgux*)
1031     tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1032     ;;
1033   m88k-harris-cxux*)
1034     # Under CX/UX, we want to tell the compiler to use ANSI mode.
1035     tentative_cc="cc -Xa"
1036     host_makefile_frag="config/mh-cxux"
1037     ;;
1038   m88k-motorola-sysv*)
1039     ;;
1040   mips*-dec-ultrix*)
1041     tentative_cc="cc -Wf,-XNg1000"
1042     host_makefile_frag="config/mh-decstation"
1043     ;;
1044   mips*-nec-sysv4*)
1045     # The C compiler on NEC MIPS SVR4 needs bigger tables.
1046     tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
1047     host_makefile_frag="config/mh-necv4"
1048     ;;
1049   mips*-sgi-irix4*)
1050     # Tell compiler to use K&R C.  We can't compile under the SGI Ansi
1051     # environment.  Also bump switch table size so that cp-parse will
1052     # compile.  Bump string length limit so linker builds.
1053     tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
1054     ;;
1055   mips*-*-sysv4*)
1056     host_makefile_frag="config/mh-sysv4"
1057     ;;
1058   mips*-*-sysv*)
1059     # This is for a MIPS running RISC/os 4.52C.
1060
1061     # This is needed for GDB, but needs to be in the top-level make because
1062     # if a library is compiled with the bsd headers and gets linked with the
1063     # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
1064     # a different size).
1065     # ptrace(2) apparently has problems in the BSD environment.  No workaround is
1066     # known except to select the sysv environment.  Could we use /proc instead?
1067     # These "sysv environments" and "bsd environments" often end up being a pain.
1068     #
1069     # This is not part of CFLAGS because perhaps not all C compilers have this
1070     # option.
1071     tentative_cc="cc -systype sysv"
1072     ;;
1073   i370-ibm-opened*)
1074     tentative_cc="c89"
1075     ;;
1076   i[[3456789]]86-*-sysv5*)
1077     host_makefile_frag="config/mh-sysv5"
1078     ;;
1079   i[[3456789]]86-*-dgux*)
1080     tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1081     host_makefile_frag="config/mh-dgux386"
1082     ;;
1083   i[[3456789]]86-ncr-sysv4.3*)
1084     # The MetaWare compiler will generate a copyright message unless you
1085     # turn it off by adding the -Hnocopyr flag.
1086     tentative_cc="cc -Hnocopyr"
1087     ;;
1088   i[[3456789]]86-ncr-sysv4*)
1089     # for an NCR 3000 (i486/SVR4) system.
1090     # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
1091     # This compiler not only emits obnoxious copyright messages every time
1092     # you run it, but it chokes and dies on a whole bunch of GNU source
1093     # files.  Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
1094     tentative_cc="/usr/ccs/ATT/cc"
1095     host_makefile_frag="config/mh-ncr3000"
1096     ;;
1097   i[[3456789]]86-*-sco3.2v5*)
1098     ;;
1099   i[[3456789]]86-*-sco*)
1100     # The native C compiler botches some simple uses of const.  Unfortunately,
1101     # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
1102     tentative_cc="cc -Dconst="
1103     host_makefile_frag="config/mh-sco"
1104     ;;
1105   i[[3456789]]86-*-udk*)
1106     host_makefile_frag="config/mh-sysv5"
1107     ;;
1108   i[[3456789]]86-*-solaris2*)
1109     host_makefile_frag="config/mh-sysv4"
1110     ;;
1111   i[[3456789]]86-*-msdosdjgpp*)
1112     host_makefile_frag="config/mh-djgpp"
1113     ;;
1114   *-cygwin*)
1115     host_makefile_frag="config/mh-cygwin"
1116     ;;
1117   *-mingw32*)
1118     host_makefile_frag="config/mh-mingw32"
1119     ;;
1120   *-interix*)
1121     host_makefile_frag="config/mh-interix"
1122     ;;
1123   vax-*-ultrix2*)
1124     # The old BSD pcc isn't up to compiling parts of gdb so use gcc
1125     tentative_cc=gcc
1126     ;;
1127   *-*-solaris2*)
1128     host_makefile_frag="config/mh-solaris"
1129     ;;
1130   m68k-sun-sunos*)
1131     # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
1132     # without overflowing the jump tables (-J says to use a 32 bit table)
1133     tentative_cc="cc -J"
1134     ;;
1135   *-hp-hpux*)
1136     tentative_cc="cc -Wp,-H256000"
1137     ;;
1138   *-*-hiux*)
1139     tentative_cc="cc -Wp,-H256000"
1140     ;;
1141   rs6000-*-lynxos*)
1142     # /bin/cc is less than useful for our purposes.  Always use GCC
1143     tentative_cc="/usr/cygnus/progressive/bin/gcc"
1144     host_makefile_frag="config/mh-lynxrs6k"
1145     ;;
1146   *-*-lynxos*)
1147     # /bin/cc is less than useful for our purposes.  Always use GCC
1148     tentative_cc="/bin/gcc"
1149     ;;
1150   *-*-sysv4*)
1151     host_makefile_frag="config/mh-sysv4"
1152     ;;
1153 esac
1154 fi
1155
1156 extra_arflags_for_target=
1157 extra_nmflags_for_target=
1158 extra_ranlibflags_for_target=
1159 target_makefile_frag=/dev/null
1160 case "${target}" in
1161   i[[3456789]]86-*-netware*)
1162     target_makefile_frag="config/mt-netware"
1163     ;;
1164   powerpc-*-netware*)
1165     target_makefile_frag="config/mt-netware"
1166     ;;
1167   *-*-linux*)
1168     target_makefile_frag="config/mt-linux"
1169     ;;
1170   *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
1171     # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1172     # commands to handle both 32-bit and 64-bit objects.  These flags are
1173     # harmless if we're using GNU nm or ar.
1174     extra_arflags_for_target=" -X32_64"
1175     extra_nmflags_for_target=" -B -X32_64"
1176     ;;
1177   *-*-darwin*)
1178     # ranlib from Darwin requires the -c flag to look at common symbols.
1179     extra_ranlibflags_for_target=" -c"
1180     ;;
1181   mips*-*-pe | sh*-*-pe | *arm-wince-pe)
1182     target_makefile_frag="config/mt-wince"
1183     ;;
1184 esac
1185
1186 alphaieee_frag=/dev/null
1187 case $target in
1188   alpha*-*-*)
1189     # This just makes sure to use the -mieee option to build target libs.
1190     # This should probably be set individually by each library.
1191     alphaieee_frag="config/mt-alphaieee"
1192     ;;
1193 esac
1194
1195 # If --enable-target-optspace always use -Os instead of -O2 to build
1196 # the target libraries, similarly if it is not specified, use -Os
1197 # on selected platforms.
1198 ospace_frag=/dev/null
1199 case "${enable_target_optspace}:${target}" in
1200   yes:*)
1201     ospace_frag="config/mt-ospace"
1202     ;;
1203   :d30v-*)
1204     ospace_frag="config/mt-d30v"
1205     ;;
1206   :m32r-* | :d10v-* | :fr30-*)
1207     ospace_frag="config/mt-ospace"
1208     ;;
1209   no:* | :*)
1210     ;;
1211   *)
1212     echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1213     ;;
1214 esac
1215
1216 # Set with_gnu_as and with_gnu_ld as appropriate.
1217 #
1218 # This is done by determining whether or not the appropriate directory
1219 # is available, and by checking whether or not specific configurations
1220 # have requested that this magic not happen.
1221 #
1222 # The command line options always override the explicit settings in
1223 # configure.in, and the settings in configure.in override this magic.
1224 #
1225 # If the default for a toolchain is to use GNU as and ld, and you don't
1226 # want to do that, then you should use the --without-gnu-as and
1227 # --without-gnu-ld options for the configure script.
1228
1229 if test x${use_gnu_as} = x &&
1230    echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1231   with_gnu_as=yes
1232   extra_host_args="$extra_host_args --with-gnu-as"
1233 fi
1234
1235 if test x${use_gnu_ld} = x &&
1236    echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1237   with_gnu_ld=yes
1238   extra_host_args="$extra_host_args --with-gnu-ld"
1239 fi
1240
1241 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1242 # can detect this case.
1243
1244 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1245   with_newlib=yes
1246   extra_host_args="$extra_host_args --with-newlib"
1247 fi
1248
1249
1250 # Default to using --with-stabs for certain targets.
1251 if test x${with_stabs} = x ; then
1252   case "${target}" in
1253   mips*-*-irix6*)
1254     ;;
1255   mips*-*-* | alpha*-*-osf*)
1256     with_stabs=yes;
1257     extra_host_args="${extra_host_args} --with-stabs"
1258     ;;
1259   esac
1260 fi
1261
1262 # hpux11 in 64bit mode has libraries in a weird place.  Arrange to find
1263 # them automatically.
1264 case "${host}" in
1265   hppa*64*-*-hpux11*)
1266     extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1267     ;;
1268 esac
1269
1270 # If we aren't going to be using gcc, see if we can extract a definition
1271 # of CC from the fragment.
1272 # Actually, use the 'pre-extracted' version above.
1273 if test -z "${CC}" && test "${build}" = "${host}" ; then
1274   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
1275   found=
1276   for dir in $PATH; do
1277     test -z "$dir" && dir=.
1278     if test -f $dir/gcc; then
1279       found=yes
1280       break
1281     fi
1282   done
1283   IFS="$save_ifs"
1284   if test -z "${found}" && test -n "${tentative_cc}" ; then
1285     CC=$tentative_cc
1286   fi
1287 fi
1288
1289 # Some systems (e.g., one of the i386-aix systems the gas testers are
1290 # using) don't handle "\$" correctly, so don't use it here.
1291 tooldir='${exec_prefix}'/${target_alias}
1292 build_tooldir=${tooldir}
1293
1294 # Generate a default definition for YACC.  This is used if the makefile can't
1295 # locate bison or byacc in objdir.
1296
1297 for prog in 'bison -y' byacc yacc
1298 do
1299   set dummy $prog; tmp=$2
1300   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
1301   for dir in $PATH; do
1302     test -z "$dir" && dir=.
1303     if test -f $dir/$tmp; then
1304       DEFAULT_YACC="$prog"
1305       break
1306     fi
1307   done
1308   IFS="$save_ifs"
1309
1310   test -n "$DEFAULT_YACC" && break
1311 done
1312
1313 # Generate a default definition for M4.  This is used if the makefile can't
1314 # locate m4 in objdir.
1315
1316 for prog in gm4 gnum4 m4
1317 do
1318   set dummy $prog; tmp=$2
1319   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
1320   for dir in $PATH; do
1321     test -z "$dir" && dir=.
1322     if test -f $dir/$tmp; then
1323       DEFAULT_M4="$prog"
1324       break
1325     fi
1326   done
1327   IFS="$save_ifs"
1328
1329   test -n "$DEFAULT_M4" && break
1330 done
1331
1332 # Generate a default definition for LEX.  This is used if the makefile can't
1333 # locate flex in objdir.
1334
1335 for prog in flex lex
1336 do
1337   set dummy $prog; tmp=$2
1338   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
1339   for dir in $PATH; do
1340     test -z "$dir" && dir=.
1341     if test -f $dir/$tmp; then
1342       DEFAULT_LEX="$prog"
1343       break
1344     fi
1345   done
1346   IFS="$save_ifs"
1347
1348   test -n "$DEFAULT_LEX" && break
1349 done
1350
1351 if test "${build}" != "${host}" ; then
1352   # If we are doing a Canadian Cross, in which the host and build systems
1353   # are not the same, we set reasonable default values for the tools.
1354
1355   BISON=${BISON-bison}
1356   CC=${CC-${host_alias}-gcc}
1357   CFLAGS=${CFLAGS-"-g -O2"}
1358   CXX=${CXX-${host_alias}-c++}
1359   CXXFLAGS=${CXXFLAGS-"-g -O2"}
1360   CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1361   CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
1362   CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
1363   GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
1364   GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
1365   BUILD_PREFIX=${build_alias}-
1366   BUILD_PREFIX_1=${build_alias}-
1367   MAKEINFO=${MAKEINFO-makeinfo}
1368
1369   if test -z "${YACC}" ; then
1370     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
1371     for dir in $PATH; do
1372       test -z "$dir" && dir=.
1373       if test -f $dir/bison; then
1374         YACC="bison -y"
1375         break
1376       fi
1377       if test -f $dir/byacc; then
1378         YACC=byacc
1379         break
1380       fi
1381       if test -f $dir/yacc; then
1382         YACC=yacc
1383         break
1384       fi
1385     done
1386     IFS="$save_ifs"
1387     if test -z "${YACC}" ; then
1388       YACC="bison -y"
1389     fi
1390   fi
1391
1392   if test -z "${LEX}" ; then
1393     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
1394     for dir in $PATH; do
1395       test -z "$dir" && dir=.
1396       if test -f $dir/flex; then
1397         LEX=flex
1398         break
1399       fi
1400       if test -f $dir/lex; then
1401         LEX=lex
1402         break
1403       fi
1404     done
1405     IFS="$save_ifs"
1406     LEX=${LEX-flex}
1407   fi
1408
1409 else
1410   # Set reasonable default values for some tools even if not Canadian.
1411   # Of course, these are different reasonable default values, originally
1412   # specified directly in the Makefile.
1413   # We don't export, so that autoconf can do its job.
1414   # Note that all these settings are above the fragment inclusion point
1415   # in Makefile.in, so can still be overridden by fragments.
1416   # This is all going to change when we autoconfiscate...
1417
1418   BISON="\$(USUAL_BISON)"
1419   CC_FOR_BUILD="\$(CC)"
1420   GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
1421   BUILD_PREFIX=
1422   BUILD_PREFIX_1=loser-
1423   MAKEINFO="\$(USUAL_MAKEINFO)"
1424   LEX="\$(USUAL_LEX)"
1425   YACC="\$(USUAL_YACC)"
1426
1427   # If CC is still not set, try to get gcc.
1428   cc_prog_is_gcc=
1429   if test -z "${CC}" ; then
1430     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
1431     for dir in $PATH; do
1432       test -z "$dir" && dir=.
1433       if test -f $dir/gcc; then
1434         CC="gcc"
1435         cc_prog_is_gcc=yes
1436         echo 'void f(){}' > conftest.c
1437         if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1438           CFLAGS=${CFLAGS-"-g -O2"}
1439           CXXFLAGS=${CXXFLAGS-"-g -O2"}
1440         else
1441           CFLAGS=${CFLAGS-"-O2"}
1442           CXXFLAGS=${CXXFLAGS-"-O2"}
1443         fi
1444         rm -f conftest*
1445         break
1446       fi
1447     done
1448     IFS="$save_ifs"
1449     CC=${CC-cc}
1450   else
1451     # Determine if we are using gcc.
1452     cat > conftest.c <<EOF
1453 #ifdef __GNUC__
1454   yes;
1455 #endif
1456 EOF
1457     if ${CC} -E conftest.c | grep yes >/dev/null 2>&1; then
1458       cc_prog_is_gcc=yes
1459     fi
1460     rm -f conftest.c
1461     if test -z "${CFLAGS}"; then
1462       # Here CC is set but CFLAGS is not.  Use a quick hack to use -O2 if CC
1463       # is set to a version of gcc.
1464       if test "$cc_prog_is_gcc" = yes; then
1465         echo 'void f(){}' > conftest.c
1466         if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1467           CFLAGS=${CFLAGS-"-g -O2"}
1468           CXXFLAGS=${CXXFLAGS-"-g -O2"}
1469         else
1470           CFLAGS=${CFLAGS-"-O2"}
1471           CXXFLAGS=${CXXFLAGS-"-O2"}
1472         fi
1473         rm -f conftest*
1474       fi
1475     fi
1476   fi
1477
1478   # We must set the default linker to the linker used by gcc for the correct
1479   # operation of libtool.  If LD is not defined and we are using gcc, try to
1480   # set the LD default to the ld used by gcc.
1481   if test -z "$LD"; then
1482     if test "$cc_prog_is_gcc" = yes; then
1483       case $build in
1484       *-*-mingw*)
1485         gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1486       *)
1487         gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1488       esac
1489       case $gcc_prog_ld in
1490       # Accept absolute paths.
1491       [[\\/]* | [A-Za-z]:[\\/]*)]
1492         LD="$gcc_prog_ld" ;;
1493       esac
1494     fi
1495   fi
1496
1497   CXX=${CXX-"c++"}
1498   CFLAGS=${CFLAGS-"-g"}
1499   CXXFLAGS=${CXXFLAGS-"-g -O2"}
1500 fi
1501
1502 # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
1503 # Set up the list of links to be made.
1504 # ${links} is the list of link names, and ${files} is the list of names to link to.
1505
1506 # Make the links.
1507 configlinks="${links}"
1508 if test -r ./config.status  ; then
1509   mv -f ./config.status ./config.back
1510 fi
1511 while test -n "${files}" ; do
1512   # set file to car of files, files to cdr of files
1513   set ${files}; file=$1; shift; files=$*
1514   set ${links}; link=$1; shift; links=$*
1515
1516   if test ! -r ${srcdir}/${file} ; then
1517     if test ! -r ${file} ; then
1518       echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
1519       echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
1520       exit 1
1521     else
1522       srcfile=${file}
1523     fi
1524   else
1525     srcfile=${srcdir}/${file}
1526   fi
1527
1528   ${remove} -f ${link}
1529   # Make a symlink if possible, otherwise try a hard link
1530   if ${symbolic_link} ${srcfile} ${link} >/dev/null 2>&1 ; then
1531     true
1532   else
1533     # We need to re-remove the file because Lynx leaves a
1534     # very strange directory there when it fails an NFS symlink.
1535     ${remove} -r -f ${link}
1536     ${hard_link} ${srcfile} ${link}
1537   fi
1538   if test ! -r ${link} ; then
1539     echo '***' "${progname}: unable to link \"${link}\" to \"${srcfile}\"." 1>&2
1540     exit 1
1541   fi
1542
1543   echo "Linked \"${link}\" to \"${srcfile}\"."
1544 done
1545
1546 # Create a .gdbinit file which runs the one in srcdir
1547 # and tells GDB to look there for source files.
1548
1549 if test -r ${srcdir}/.gdbinit ; then
1550   case ${srcdir} in
1551     .) ;;
1552     *) cat > ./.gdbinit <<EOF
1553 # ${NO_EDIT}
1554 dir ${srcdir}
1555 dir .
1556 source ${srcdir}/.gdbinit
1557 EOF
1558     ;;
1559   esac
1560 fi
1561
1562 # Make sure that the compiler is able to generate an executable.  If it
1563 # can't, we are probably in trouble.  We don't care whether we can run the
1564 # executable--we might be using a cross compiler--we only care whether it
1565 # can be created.  At this point the main configure script has set CC.
1566 we_are_ok=no
1567 echo "int main () { return 0; }" > conftest.c
1568 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1569 if test $? = 0 ; then
1570   if test -s conftest || test -s conftest.exe ; then
1571     we_are_ok=yes
1572   fi
1573 fi
1574 case $we_are_ok in
1575   no)
1576     echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1577     echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1578     rm -f conftest*
1579     exit 1
1580     ;;
1581 esac
1582 rm -f conftest*
1583
1584 # The Solaris /usr/ucb/cc compiler does not appear to work.
1585 case "${host}" in
1586   sparc-sun-solaris2*)
1587       CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1588       if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1589           could_use=
1590           test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1591           if test -d /opt/cygnus/bin ; then
1592               if test "$could_use" = "" ; then
1593                   could_use="/opt/cygnus/bin"
1594               else
1595                   could_use="$could_use or /opt/cygnus/bin"
1596               fi
1597           fi
1598         if test "$could_use" = "" ; then
1599             echo "Warning: compilation may fail because you're using"
1600             echo "/usr/ucb/cc.  You should change your PATH or CC "
1601             echo "variable and rerun configure."
1602         else
1603             echo "Warning: compilation may fail because you're using"
1604             echo "/usr/ucb/cc, when you should use the C compiler from"
1605             echo "$could_use.  You should change your"
1606             echo "PATH or CC variable and rerun configure."
1607         fi
1608       fi
1609   ;;
1610 esac
1611
1612 # If --enable-shared was set, we must set LD_LIBRARY_PATH so that the
1613 # binutils tools will find libbfd.so.
1614 case "${enable_shared}" in
1615   no | "") SET_LIB_PATH= ;;
1616   *) SET_LIB_PATH="\$(REALLY_SET_LIB_PATH)" ;;
1617 esac
1618
1619 case "${host}" in
1620   *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1621   *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1622 esac
1623
1624 # Record target_configdirs and the configure arguments for target and
1625 # build configuration in Makefile.
1626 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1627
1628 # This is the final value for target_configdirs.  configdirs already
1629 # has its final value, as does build_modules.  It's time to create some
1630 # lists of valid targets.
1631
1632 all_build_modules=
1633 configure_build_modules=
1634 for module in ${build_modules} ; do
1635   all_build_modules=all-build-${module}
1636   configure_build_modules=configure-build-${module}
1637 done
1638
1639 # Determine whether gdb needs tk/tcl or not.
1640 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1641 # and in that case we want gdb to be built without tk.  Ugh!
1642 # In fact I believe gdb is the *only* package directly dependent on tk,
1643 # so we should be able to put the 'maybe's in unconditionally and
1644 # leave out the maybe dependencies when enable_gdbtk is false.  I'm not
1645 # 100% sure that that's safe though.
1646
1647 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-tix maybe-all-libgui"
1648 case "$enable_gdbtk" in
1649   no)
1650     GDB_TK="" ;;
1651   yes)
1652     GDB_TK="${gdb_tk}" ;;
1653   *)
1654     # Only add the dependency on gdbtk when GDBtk is part of the gdb
1655     # distro.  Eventually someone will fix this and move Insight, nee
1656     # gdbtk to a separate directory.
1657     if test -d ${srcdir}/gdb/gdbtk ; then
1658       GDB_TK="${gdb_tk}"
1659     else
1660       GDB_TK=""
1661     fi
1662     ;;
1663 esac
1664
1665 # Create the 'maybe dependencies'.  This uses a temporary file.
1666
1667 # While at that, we remove Makefiles if we were started for recursive
1668 # configuration, so that the top-level Makefile reconfigures them,
1669 # like we used to do when configure itself was recursive.
1670 rm -f maybedep.tmp
1671 echo '# maybedep.tmp' > maybedep.tmp
1672
1673 # Make-targets which may need maybe dependencies.
1674 mts="configure all install check clean distclean dvi info install-info"
1675 mts="${mts} installcheck mostlyclean maintainer-clean TAGS"
1676
1677 # Loop over modules and make-targets.
1678 for module in ${build_modules} ; do
1679   if test -z "${no_recursion}" \
1680      && test -f ${build_subdir}/${module}/Makefile; then
1681     echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
1682     rm -f ${build_subdir}/${module}/Makefile
1683   fi
1684   for mt in ${mts} ; do
1685     case ${mt} in
1686       install) ;; # No installing build modules.
1687       *) echo "maybe-${mt}-build-${module}: ${mt}-build-${module}" >> maybedep.tmp ;;
1688     esac
1689   done
1690 done
1691 for module in ${configdirs} ; do
1692   if test -z "${no_recursion}" \
1693      && test -f ${module}/Makefile; then
1694     echo 1>&2 "*** removing ${module}/Makefile to force reconfigure"
1695     rm -f ${module}/Makefile
1696   fi
1697   for mt in ${mts} ; do
1698     echo "maybe-${mt}-${module}: ${mt}-${module}" >> maybedep.tmp
1699   done
1700 done
1701 for module in ${target_configdirs} ; do
1702   if test -z "${no_recursion}" \
1703      && test -f ${target_subdir}/${module}/Makefile; then
1704     echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
1705     rm -f ${target_subdir}/${module}/Makefile
1706   fi
1707   for mt in ${mts} ; do
1708     echo "maybe-${mt}-target-${module}: ${mt}-target-${module}" >> maybedep.tmp
1709   done
1710 done
1711 maybe_dependencies=maybedep.tmp
1712 AC_SUBST_FILE(maybe_dependencies)
1713
1714 # Create the serialization dependencies.  This uses a temporary file.
1715
1716 AC_ARG_ENABLE([serial-configure],
1717 [  --enable-serial-[{host,target,build}-]configure
1718                           Force sequential configuration of
1719                           sub-packages for the host, target or build
1720                           machine, or all sub-packages])
1721
1722 case ${enable_serial_configure} in
1723   yes)
1724     enable_serial_build_configure=yes
1725     enable_serial_host_configure=yes
1726     enable_serial_target_configure=yes
1727     ;;
1728 esac
1729
1730 # These force 'configure's to be done one at a time, to avoid problems
1731 # with contention over a shared config.cache.
1732 rm -f serdep.tmp
1733 echo '# serdep.tmp' > serdep.tmp
1734 olditem=
1735 test "x${enable_serial_build_configure}" = xyes &&
1736 for item in ${build_configdirs} ; do
1737   case ${olditem} in
1738     "") ;;
1739     *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
1740   esac
1741   olditem=${item}
1742 done
1743 olditem=
1744 test "x${enable_serial_host_configure}" = xyes &&
1745 for item in ${configdirs} ; do
1746   case ${olditem} in
1747     "") ;;
1748     *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
1749   esac
1750   olditem=${item}
1751 done
1752 olditem=
1753 test "x${enable_serial_target_configure}" = xyes &&
1754 for item in ${target_configdirs} ; do
1755   case ${olditem} in
1756     "") ;;
1757     *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
1758   esac
1759   olditem=${item}
1760 done
1761 serialization_dependencies=serdep.tmp
1762 AC_SUBST_FILE(serialization_dependencies)
1763
1764 # Base args.  Strip norecursion, cache-file, srcdir, host, build,
1765 # target and nonopt.  These are the ones we might not want to pass
1766 # down to subconfigures.  Also strip program-prefix, program-suffix,
1767 # and program-transform-name, so that we can pass down a consistent
1768 # program-transform-name.  If autoconf has put single quotes around
1769 # any of these arguments (because they contain shell metacharacters)
1770 # then this will fail; in practice this only happens for
1771 # --program-transform-name, so be sure to override --program-transform-name
1772 # at the end of the argument list.
1773 # These will be expanded by make, so quote '$'.
1774 cat <<\EOF_SED > conftestsed
1775 s/ --no[[^ ]]* / /
1776 s/ --c[[a-z-]]*[[= ]][[^ ]]* / /
1777 s/ --sr[[a-z-]]*[[= ]][[^ ]]* / /
1778 s/ --ho[[a-z-]]*[[= ]][[^ ]]* / /
1779 s/ --bu[[a-z-]]*[[= ]][[^ ]]* / /
1780 s/ --t[[a-z-]]*[[= ]][[^ ]]* / /
1781 s/ --program-[[pst]][[a-z-]]*[[= ]][[^ ]]* / /
1782 s/ -cache-file[[= ]][[^ ]]* / /
1783 s/ -srcdir[[= ]][[^ ]]* / /
1784 s/ -host[[= ]][[^ ]]* / /
1785 s/ -build[[= ]][[^ ]]* / /
1786 s/ -target[[= ]][[^ ]]* / /
1787 s/ -program-prefix[[= ]][[^ ]]* / /
1788 s/ -program-suffix[[= ]][[^ ]]* / /
1789 s/ -program-transform-name[[= ]][[^ ]]* / /
1790 s/ [[^' -][^ ]*] / /
1791 s/^ *//;s/ *$//
1792 s,\$,$$,g
1793 EOF_SED
1794 sed -f conftestsed <<EOF_SED > conftestsed.out
1795  ${ac_configure_args}
1796 EOF_SED
1797 baseargs=`cat conftestsed.out`
1798 rm -f conftestsed conftestsed.out
1799
1800 # Add in --program-transform-name, after --program-prefix and
1801 # --program-suffix have been applied to it.  Autoconf has already
1802 # doubled dollar signs and backslashes in program_transform_name; we want
1803 # the backslashes un-doubled, and then the entire thing wrapped in single
1804 # quotes, because this will be expanded first by make and then by the shell.
1805 # Also, because we want to override the logic in subdir configure scripts to
1806 # choose program_transform_name, replace any s,x,x, with s,y,y,.
1807 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
1808 ${program_transform_name}
1809 EOF_SED
1810 gcc_transform_name=`cat conftestsed.out`
1811 rm -f conftestsed.out
1812 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
1813
1814 # For the build-side libraries, we just need to pretend we're native,
1815 # and not use the same cache file.  Multilibs are neither needed nor
1816 # desired.
1817 build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} ${baseargs}"
1818
1819 # For host modules, accept cache file option, or specification as blank.
1820 case "${cache_file}" in
1821 "") # empty
1822   cache_file_option="" ;;
1823 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
1824   cache_file_option="--cache-file=${cache_file}" ;;
1825 *) # relative path
1826   cache_file_option="--cache-file=../${cache_file}" ;;
1827 esac
1828
1829 host_configargs="${cache_file_option} --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
1830
1831 target_configargs=${baseargs}
1832
1833 # Passing a --with-cross-host argument lets the target libraries know
1834 # whether they are being built with a cross-compiler or being built
1835 # native.  However, it would be better to use other mechanisms to make the
1836 # sorts of decisions they want to make on this basis.  Please consider
1837 # this option to be deprecated.  FIXME.
1838 if test x${is_cross_compiler} = xyes ; then
1839   target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
1840 fi
1841
1842 # Default to --enable-multilib.
1843 if test x${enable_multilib} = x ; then
1844   target_configargs="--enable-multilib ${target_configargs}"
1845 fi
1846
1847 # Pass --with-newlib if appropriate.  Note that target_configdirs has
1848 # changed from the earlier setting of with_newlib.
1849 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
1850   target_configargs="--with-newlib ${target_configargs}"
1851 fi
1852
1853 # Pass the appropriate --host, --build, and --cache-file arguments.
1854 target_configargs="--cache-file=../config.cache --host=${target_alias} --build=${build_alias} ${target_configargs}"
1855
1856 # provide a proper gxx_include_dir.
1857 # Note, if you change the default, make sure to fix both here and in
1858 # the gcc and libstdc++-v3 subdirectories.
1859 # Check whether --with-gxx-include-dir or --without-gxx-include-dir was given.
1860 case "${with_gxx_include_dir}" in
1861   yes)
1862     AC_MSG_ERROR([--with-gxx-include-dir=[[dir]] requires a directory])
1863     ;;
1864   no | "")
1865     case "${enable_version_specific_runtime_libs}" in
1866       yes) gxx_include_dir='${libsubdir}/include/c++' ;;
1867       *)
1868         . ${srcdir}/config.if
1869         gxx_include_dir='${prefix}/include/'${libstdcxx_incdir} ;;
1870     esac ;;
1871   *) gxx_include_dir=${with_gxx_include_dir} ;;
1872 esac
1873
1874 FLAGS_FOR_TARGET=
1875 case " $target_configdirs " in
1876  *" newlib "*)
1877   case " $target_configargs " in
1878   *" --with-newlib "*)
1879    case "$target" in
1880    *-cygwin*)
1881      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 $$s/winsup/w32api/include' ;;
1882    esac
1883
1884    # If we're not building GCC, don't discard standard headers.
1885    if test -d ${srcdir}/gcc; then
1886      FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
1887
1888      if test "${build}" != "${host}"; then
1889        # On Canadian crosses, CC_FOR_TARGET will have already been set
1890        # by `configure', so we won't have an opportunity to add -Bgcc/
1891        # to it.  This is right: we don't want to search that directory
1892        # for binaries, but we want the header files in there, so add
1893        # them explicitly.
1894        FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/gcc/include'
1895
1896        # Someone might think of using the pre-installed headers on
1897        # Canadian crosses, in case the installed compiler is not fully
1898        # compatible with the compiler being built.  In this case, it
1899        # would be better to flag an error than risking having
1900        # incompatible object files being constructed.  We can't
1901        # guarantee that an error will be flagged, but let's hope the
1902        # compiler will do it, when presented with incompatible header
1903        # files.
1904      fi
1905    fi
1906
1907    case "${target}-${is_cross_compiler}" in
1908    i[[3456789]]86-*-linux*-no)
1909       # Here host == target, so we don't need to build gcc,
1910       # so we don't want to discard standard headers.
1911       FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
1912       ;;
1913    *)
1914       # If we're building newlib, use its generic headers last, but search
1915       # for any libc-related directories first (so make it the last -B
1916       # switch).
1917       FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
1918       ;;
1919    esac
1920    ;;
1921   esac
1922   ;;
1923 esac
1924
1925 # Allow the user to override the flags for
1926 # our build compiler if desired.
1927 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
1928
1929 # On Canadian crosses, we'll be searching the right directories for
1930 # the previously-installed cross compiler, so don't bother to add
1931 # flags for directories within the install tree of the compiler
1932 # being built; programs in there won't even run.
1933 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
1934   # Search for pre-installed headers if nothing else fits.
1935   FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
1936 fi
1937
1938 if test "x${use_gnu_ld}" = x &&
1939    echo " ${configdirs} " | grep " ld " > /dev/null ; then
1940   # Arrange for us to find uninstalled linker scripts.
1941   FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/ld'
1942 fi
1943
1944 if test "x${CC_FOR_TARGET+set}" = xset; then
1945   :
1946 elif test -d ${srcdir}/gcc; then
1947   CC_FOR_TARGET='$$r/gcc/xgcc -B$$r/gcc/'
1948 elif test "$host" = "$target"; then
1949   CC_FOR_TARGET='$(CC)'
1950 else
1951   CC_FOR_TARGET=`echo gcc | sed "${program_transform_name}"`
1952 fi
1953 CC_FOR_TARGET=$CC_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1954
1955 if test "x${GCJ_FOR_TARGET+set}" = xset; then
1956   :
1957 elif test -d ${srcdir}/gcc; then
1958   GCJ_FOR_TARGET='$$r/gcc/gcj -B$$r/gcc/'
1959 elif test "$host" = "$target"; then
1960   GCJ_FOR_TARGET='gcj'
1961 else
1962   GCJ_FOR_TARGET=`echo gcj | sed "${program_transform_name}"`
1963 fi
1964 GCJ_FOR_TARGET=$GCJ_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1965
1966 # Don't use libstdc++-v3's flags to configure/build itself.
1967 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'
1968 raw_libstdcxx_flags='-L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
1969
1970 if test "x${CXX_FOR_TARGET+set}" = xset; then
1971   if test "x${RAW_CXX_FOR_TARGET+set}" != xset; then
1972     RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
1973   fi
1974 elif test -d ${srcdir}/gcc; then
1975   # We add -shared-libgcc to CXX_FOR_TARGET whenever we use xgcc instead
1976   # of g++ for linking C++ or Java, because g++ has -shared-libgcc by
1977   # default whereas gcc does not.
1978   # RAW_CXX_FOR_TARGET is for linking C++ or java; CXX_FOR_TARGET is for
1979   # all other cases.
1980   CXX_FOR_TARGET='$$r/gcc/g++ -B$$r/gcc/ -nostdinc++ '$libstdcxx_flags
1981   RAW_CXX_FOR_TARGET='$$r/gcc/xgcc -shared-libgcc -B$$r/gcc/ -nostdinc++ '$raw_libstdcxx_flags
1982 elif test "$host" = "$target"; then
1983   CXX_FOR_TARGET='$(CXX)'
1984   RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
1985 else
1986   CXX_FOR_TARGET=`echo c++ | sed "${program_transform_name}"`
1987   RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
1988 fi
1989 CXX_FOR_TARGET=$CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1990 RAW_CXX_FOR_TARGET=$RAW_CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1991
1992 qCXX_FOR_TARGET=`echo "$CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
1993 qRAW_CXX_FOR_TARGET=`echo "$RAW_CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
1994
1995 # We want to defer the evaluation of `cmd`s and shell variables in
1996 # CXX_FOR_TARGET when recursing in the top-level Makefile, such as for
1997 # bootstrap.  We'll enclose CXX_FOR_TARGET_FOR_RECURSIVE_MAKE in single
1998 # quotes, but we still have to duplicate `$'s so that shell variables
1999 # can be expanded by the nested make as shell variables, not as make
2000 # macros.
2001 qqCXX_FOR_TARGET=`echo "$qCXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2002 qqRAW_CXX_FOR_TARGET=`echo "$qRAW_CXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2003
2004 # Wrap CC_FOR_TARGET and friends, for certain types of builds.
2005 CC_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${CC_FOR_TARGET}"
2006 GCJ_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GCJ_FOR_TARGET}"
2007 CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qCXX_FOR_TARGET}"
2008 RAW_CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qRAW_CXX_FOR_TARGET}"
2009 CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqCXX_FOR_TARGET}"
2010 RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqRAW_CXX_FOR_TARGET}"
2011
2012 # Makefile fragments.
2013 host_makefile_frag=${srcdir}/${host_makefile_frag}
2014 target_makefile_frag=${srcdir}/${target_makefile_frag}
2015 alphaieee_frag=${srcdir}/${alphaieee_frag}
2016 ospace_frag=${srcdir}/${ospace_frag}
2017 AC_SUBST_FILE(host_makefile_frag)
2018 AC_SUBST_FILE(target_makefile_frag)
2019 AC_SUBST_FILE(alphaieee_frag)
2020 AC_SUBST_FILE(ospace_frag)
2021
2022 # Miscellanea: directories, flags, etc.
2023 AC_SUBST(SET_LIB_PATH)
2024 AC_SUBST(RPATH_ENVVAR)
2025 AC_SUBST(BUILD_PREFIX)
2026 AC_SUBST(BUILD_PREFIX_1)
2027 AC_SUBST(configlinks)
2028 AC_SUBST(gcc_version_trigger)
2029 AC_SUBST(gcc_version)
2030 AC_SUBST(tooldir)
2031 AC_SUBST(build_tooldir)
2032 AC_SUBST(GDB_TK)
2033 AC_SUBST(gxx_include_dir)
2034 AC_SUBST(libstdcxx_incdir)
2035
2036 # Build module lists & subconfigure args.
2037 AC_SUBST(build_configargs)
2038 AC_SUBST(configure_build_modules)
2039 AC_SUBST(all_build_modules)
2040
2041 # Host module lists & subconfigure args.
2042 AC_SUBST(host_configargs)
2043 AC_SUBST(configdirs)
2044
2045 # Target module lists & subconfigure args.
2046 AC_SUBST(target_configargs)
2047 AC_SUBST(target_configdirs)
2048
2049 # Build tools.
2050 AC_SUBST(BISON)
2051 AC_SUBST(CC_FOR_BUILD)
2052 AC_SUBST(LEX)
2053 AC_SUBST(MAKEINFO)
2054 AC_SUBST(YACC)
2055 AC_SUBST(config_shell)
2056
2057 # Host tools.
2058 NCN_STRICT_CHECK_TOOL(AR, ar)
2059 NCN_STRICT_CHECK_TOOL(AS, as)
2060 NCN_STRICT_CHECK_TOOL(DLLTOOL, dlltool)
2061 NCN_STRICT_CHECK_TOOL(LD, ld)
2062 NCN_STRICT_CHECK_TOOL(NM, nm)
2063 NCN_STRICT_CHECK_TOOL(RANLIB, ranlib, :)
2064 NCN_STRICT_CHECK_TOOL(WINDRES, windres)
2065 NCN_STRICT_CHECK_TOOL(OBJCOPY, objcopy)
2066 NCN_STRICT_CHECK_TOOL(OBJDUMP, objdump)
2067 AC_SUBST(CC)
2068 AC_SUBST(CXX)
2069 AC_SUBST(CFLAGS)
2070 AC_SUBST(CFLAGS_FOR_BUILD)
2071 AC_SUBST(CXXFLAGS)
2072 AC_SUBST(DEFAULT_YACC)
2073 AC_SUBST(DEFAULT_LEX)
2074 AC_SUBST(DEFAULT_M4)
2075
2076 # Target tools.
2077 NCN_STRICT_CHECK_TARGET_TOOL(AR_FOR_TARGET, ar)
2078 NCN_STRICT_CHECK_TARGET_TOOL(AS_FOR_TARGET, as)
2079 NCN_STRICT_CHECK_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
2080 NCN_STRICT_CHECK_TARGET_TOOL(LD_FOR_TARGET, ld)
2081 NCN_STRICT_CHECK_TARGET_TOOL(NM_FOR_TARGET, nm)
2082 NCN_STRICT_CHECK_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib, :)
2083 NCN_STRICT_CHECK_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
2084
2085 AC_SUBST(GCC_FOR_TARGET)
2086 AC_SUBST(FLAGS_FOR_TARGET)
2087 AC_SUBST(CC_FOR_TARGET)
2088 AC_SUBST(GCJ_FOR_TARGET)
2089 AC_SUBST(CXX_FOR_TARGET)
2090 AC_SUBST(RAW_CXX_FOR_TARGET)
2091 AC_SUBST(CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2092 AC_SUBST(RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2093
2094 # Fix up target tools.
2095 if test "x${build}" = "x${host}" ; then
2096   # In this case, the newly built tools can and should be used,
2097   # so we override the results of the autoconf tests.
2098   # This should really only happen when the tools are actually being built,
2099   # but that's a further refinement.  The new build scheme, where
2100   # tools are built into a structure paralleling where they're installed,
2101   # should also eliminate all of this cleanly.
2102   AR_FOR_TARGET="\$(USUAL_AR_FOR_TARGET)"
2103   AS_FOR_TARGET="\$(USUAL_AS_FOR_TARGET)"
2104   DLLTOOL_FOR_TARGET="\$(USUAL_DLLTOOL_FOR_TARGET)"
2105   LD_FOR_TARGET="\$(USUAL_LD_FOR_TARGET)"
2106   NM_FOR_TARGET="\$(USUAL_NM_FOR_TARGET)"
2107   RANLIB_FOR_TARGET="\$(USUAL_RANLIB_FOR_TARGET)"
2108   WINDRES_FOR_TARGET="\$(USUAL_WINDRES_FOR_TARGET)"
2109 fi
2110 # Certain tools may need extra flags.
2111 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2112 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2113 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2114
2115 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2116 AC_ARG_ENABLE(maintainer-mode,
2117 [  --enable-maintainer-mode enable make rules and dependencies not useful
2118                           (and sometimes confusing) to the casual installer],
2119       USE_MAINTAINER_MODE=$enableval,
2120       USE_MAINTAINER_MODE=no)
2121 AC_MSG_RESULT($USE_MAINTAINER_MODE)
2122 AC_SUBST(MAINTAINER_MODE_TRUE)
2123 AC_SUBST(MAINTAINER_MODE_FALSE)
2124 if test "$USE_MAINTAINER_MODE" = yes; then
2125   MAINTAINER_MODE_TRUE=
2126   MAINTAINER_MODE_FALSE='#'
2127 else
2128   MAINTAINER_MODE_TRUE='#'
2129   MAINTAINER_MODE_FALSE=
2130 fi
2131 MAINT=$MAINTAINER_MODE_TRUE
2132 AC_SUBST(MAINT)dnl
2133
2134 AC_OUTPUT(Makefile)