configure.in

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