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