configure.in

   1 #   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998,
   2 #   1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
   3 #
   4 # This file is free software; you can redistribute it and/or modify it
   5 # under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 2 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful, but
  10 # WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12 # General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program; if not, write to the Free Software
  16 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  17
  18 ##############################################################################
  19 ### WARNING: this file contains embedded tabs.  Do not run untabify on this file.
  20
  21 AC_INIT(move-if-change)
  22 AC_PREREQ(2.13)
  23 AC_CANONICAL_SYSTEM
  24 AC_ARG_PROGRAM
  25
  26 # Get 'install' or 'install-sh' and its variants.
  27 AC_PROG_INSTALL
  28
  29 sinclude(config/acx.m4)
  30
  31 ### we might need to use some other shell than /bin/sh for running subshells
  32 ### If we are on Windows, search for the shell.  This will permit people
  33 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
  34 ### without also having to set CONFIG_SHELL.  This code will work when
  35 ### using bash, which sets OSTYPE.
  36 case "${OSTYPE}" in
  37 *win32*)
  38   if test x${CONFIG_SHELL} = x ; then
  39     if test ! -f /bin/sh ; then
  40       if test x${SHELL} != x && test -f ${SHELL} ; then
  41         CONFIG_SHELL=${SHELL}
  42         export CONFIG_SHELL
  43       else
  44         for prog in sh sh.exe bash bash.exe; do
  45           IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
  46           for dir in $PATH; do
  47             test -z "$dir" && dir=.
  48             if test -f $dir/$prog; then
  49               CONFIG_SHELL=$dir/$prog
  50               export CONFIG_SHELL
  51               break
  52             fi
  53           done
  54           IFS="$save_ifs"
  55           test -n "${CONFIG_SHELL}" && break
  56         done
  57       fi
  58     fi
  59   fi
  60   ;;
  61 esac
  62
  63 config_shell=${CONFIG_SHELL-/bin/sh}
  64
  65 progname=$0
  66 # if PWD already has a value, it is probably wrong.
  67 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
  68
  69 # Export original configure arguments for use by sub-configures.  These
  70 # will be expanded by make, so quote '$'.
  71 tmp="$progname $@"
  72 sed -e 's,\$,$$,g' <<EOF_SED > conftestsed.out
  73 $tmp
  74 EOF_SED
  75 TOPLEVEL_CONFIGURE_ARGUMENTS=`cat conftestsed.out`
  76 rm -f conftestsed.out
  77 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
  78
  79 moveifchange=${srcdir}/move-if-change
  80
  81 # Set srcdir to "." if that's what it is.
  82 # This is important for multilib support.
  83 pwd=`${PWDCMD-pwd}`
  84 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
  85 if test "${pwd}" = "${srcpwd}" ; then
  86   srcdir=.
  87 fi
  88
  89 topsrcdir=$srcpwd
  90
  91 extra_host_args=
  92 # Define the trigger file to make sure configure will re-run whenever
  93 # the gcc version number changes.
  94 if test "${with_gcc_version_trigger+set}" = set ; then
  95   gcc_version_trigger="$with_gcc_version_trigger"
  96   gcc_version=`grep version_string ${with_gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'`
  97 else
  98   # If gcc's sources are available, define the trigger file.
  99   if test -f ${topsrcdir}/gcc/version.c ; then
 100     gcc_version_trigger=${topsrcdir}/gcc/version.c
 101     gcc_version=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'`
 102     case "$ac_configure_args" in
 103       *--with-gcc-version-trigger=$gcc_version_trigger* )
 104         ;;
 105       * )
 106         # Add to all subconfigure arguments: build, host, and target.
 107         ac_configure_args="$ac_configure_args --with-gcc-version-trigger=$gcc_version_trigger"
 108         ;;
 109     esac
 110   fi
 111 fi
 112
 113 ### To add a new directory to the tree, first choose whether it is a target
 114 ### or a host dependent tool.  Then put it into the appropriate list
 115 ### (library or tools, host or target), doing a dependency sort.
 116
 117 # Subdirs will be configured in the order listed in build_configdirs,
 118 # configdirs, or target_configdirs; see the serialization section below.
 119
 120 # Dependency sorting is only needed when *configuration* must be done in
 121 # a particular order.  In all cases a dependency should be specified in
 122 # the Makefile, whether or not it's implicitly specified here.
 123
 124 # Double entries in build_configdirs, configdirs, or target_configdirs may
 125 # cause circular dependencies and break everything horribly.
 126
 127 # these libraries are used by various programs built for the host environment
 128 #
 129 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl tix libgui zlib"
 130
 131 # these tools are built for the host environment
 132 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
 133 # know that we are building the simulator.
 134 # binutils, gas and ld appear in that order because it makes sense to run
 135 # "make check" in that particular order.
 136 host_tools="texinfo byacc flex bison binutils gas ld gcc sid sim gdb make patch prms send-pr gprof etc expect dejagnu ash bash bzip2 m4 autoconf automake libtool diff rcs fileutils shellutils time textutils wdiff find uudecode hello tar gzip indent recode release sed utils guile perl gawk findutils gettext zip fastjar"
 137
 138 # libgcj represents the runtime libraries only used by gcj.
 139 libgcj="target-libffi \
 140         target-boehm-gc \
 141         target-zlib \
 142         target-qthreads \
 143         target-libjava"
 144
 145 # these libraries are built for the target environment, and are built after
 146 # the host libraries and the host tools (which may be a cross compiler)
 147 #
 148 target_libraries="target-libiberty \
 149                 target-libgloss \
 150                 target-newlib \
 151                 target-libstdc++-v3 \
 152                 target-libf2c \
 153                 ${libgcj} \
 154                 target-libobjc \
 155                 target-libada"
 156
 157 # these tools are built using the target libraries, and are intended to
 158 # run only in the target environment
 159 #
 160 # note: any program that *uses* libraries that are in the "target_libraries"
 161 # list belongs in this list.  those programs are also very likely
 162 # candidates for the "native_only" list which follows
 163 #
 164 target_tools="target-examples target-groff target-gperf target-rda"
 165
 166 ################################################################################
 167
 168 ## All tools belong in one of the four categories, and are assigned above
 169 ## We assign ${configdirs} this way to remove all embedded newlines.  This
 170 ## is important because configure will choke if they ever get through.
 171 ## ${configdirs} is directories we build using the host tools.
 172 ## ${target_configdirs} is directories we build using the target tools.
 173 #
 174 configdirs=`echo ${host_libs} ${host_tools}`
 175 target_configdirs=`echo ${target_libraries} ${target_tools}`
 176
 177 # Only make build modules if build != host.
 178 # This should be done more generally, but at the moment it doesn't matter.
 179 if test ${host_alias} != ${build_alias} ; then
 180   # This is the only build module.
 181   build_modules=libiberty
 182 else
 183   build_modules=
 184 fi
 185
 186
 187 ################################################################################
 188
 189 srcname="gnu development package"
 190
 191 # This gets set non-empty for some net releases of packages.
 192 appdirs=""
 193
 194 # Define is_cross_compiler to save on calls to 'test'.
 195 is_cross_compiler=
 196 if test x"${host}" = x"${target}" ; then
 197   is_cross_compiler=no
 198 else
 199   is_cross_compiler=yes
 200 fi
 201
 202 # Find the build and target subdir names.
 203 GCC_TOPLEV_SUBDIRS
 204
 205 # Skipdirs are removed silently.
 206 skipdirs=
 207 # Noconfigdirs are removed loudly.
 208 noconfigdirs=""
 209
 210 use_gnu_ld=
 211 # Make sure we don't let GNU ld be added if we didn't want it.
 212 if test x$with_gnu_ld = xno ; then
 213   use_gnu_ld=no
 214   noconfigdirs="$noconfigdirs ld"
 215 fi
 216
 217 use_gnu_as=
 218 # Make sure we don't let GNU as be added if we didn't want it.
 219 if test x$with_gnu_as = xno ; then
 220   use_gnu_as=no
 221   noconfigdirs="$noconfigdirs gas"
 222 fi
 223
 224 # some tools are so dependent upon X11 that if we're not building with X,
 225 # it's not even worth trying to configure, much less build, that tool.
 226
 227 case ${with_x} in
 228   yes | "") ;; # the default value for this tree is that X11 is available
 229   no)
 230     skipdirs="${skipdirs} tk tix itcl libgui"
 231     # We won't be able to build gdbtk without X.
 232     enable_gdbtk=no
 233     ;;
 234   *)  echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
 235 esac
 236
 237 # Some tools are only suitable for building in a "native" situation.
 238 # Remove these if host!=target.
 239 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"
 240
 241 # Similarly, some are only suitable for cross toolchains.
 242 # Remove these if host=target.
 243 cross_only="target-libgloss target-newlib target-opcodes"
 244
 245 case $is_cross_compiler in
 246   no) skipdirs="${skipdirs} ${cross_only}" ;;
 247   yes) skipdirs="${skipdirs} ${native_only}" ;;
 248 esac
 249
 250 # If both --with-headers and --with-libs are specified, default to
 251 # --without-newlib.
 252 if test x"${with_headers}" != x && test x"${with_headers} != xno \
 253    && test x"${with_libs}" != x && test x"${with_libs} != xno ; then
 254   if test x"${with_newlib}" = x ; then
 255     with_newlib=no
 256   fi
 257 fi
 258
 259 # Recognize --with-newlib/--without-newlib.
 260 case ${with_newlib} in
 261   no) skipdirs="${skipdirs} target-newlib" ;;
 262   yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
 263 esac
 264
 265 # Configure extra directories which are host specific
 266
 267 case "${host}" in
 268   *-cygwin*)
 269     configdirs="$configdirs libtermcap" ;;
 270 esac
 271
 272 # Remove more programs from consideration, based on the host or
 273 # target this usually means that a port of the program doesn't
 274 # exist yet.
 275
 276 case "${host}" in
 277   hppa*64*-*-*)
 278     noconfigdirs="$noconfigdirs byacc"
 279     ;;
 280   i[[3456789]]86-*-vsta)
 281     noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl tix gnuserv gettext"
 282     ;;
 283   i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
 284     noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl tix gnuserv libffi"
 285     ;;
 286   i[[3456789]]86-*-mingw32*)
 287     # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl tix gnuserv"
 288     noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool"
 289     ;;
 290   i[[3456789]]86-*-beos*)
 291     noconfigdirs="$noconfigdirs tk itcl tix libgui gdb"
 292     ;;
 293   *-*-cygwin*)
 294     noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
 295     ;;
 296   *-*-netbsd*)
 297     noconfigdirs="$noconfigdirs rcs"
 298     ;;
 299   ppc*-*-pe)
 300     noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl tix gnuserv"
 301     ;;
 302   powerpc-*-beos*)
 303     noconfigdirs="$noconfigdirs tk itcl tix libgui gdb dejagnu readline"
 304     ;;
 305   *-*-darwin*)
 306     noconfigdirs="$noconfigdirs tk itcl tix libgui"
 307     ;;
 308 esac
 309
 310 AC_ARG_ENABLE(libada,
 311 [  --enable-libada        Builds libada directory],
 312 ENABLE_LIBADA=$enableval,
 313 ENABLE_LIBADA=yes)
 314 if test "${ENABLE_LIBADA}" != "yes" ; then
 315   noconfigdirs="$noconfigdirs target-libada"
 316 fi
 317
 318 # Save it here so that, even in case of --enable-libgcj, if the Java
 319 # front-end isn't enabled, we still get libgcj disabled.
 320 libgcj_saved=$libgcj
 321 case $enable_libgcj in
 322 yes)
 323   # If we reset it here, it won't get added to noconfigdirs in the
 324   # target-specific build rules, so it will be forcibly enabled
 325   # (unless the Java language itself isn't enabled).
 326   libgcj=
 327   ;;
 328 no)
 329   # Make sure we get it printed in the list of not supported target libs.
 330   noconfigdirs="$noconfigdirs ${libgcj}"
 331   ;;
 332 esac
 333
 334 case "${target}" in
 335   *-*-chorusos)
 336     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 337     ;;
 338   powerpc-*-darwin*)
 339     noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
 340     noconfigdirs="$noconfigdirs target-libobjc"
 341     ;;
 342   *-*-darwin*)
 343     noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
 344     noconfigdirs="$noconfigdirs target-libobjc ${libgcj}"
 345     ;;
 346   *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
 347     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 348     ;;
 349   *-*-kaos*)
 350     # Remove unsupported stuff on all kaOS configurations.
 351     skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-libf2c target-librx"
 352     skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
 353     skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
 354     noconfigdirs="$noconfigdirs target-libgloss"
 355     ;;
 356   *-*-netbsd*)
 357     # Skip some stuff on all NetBSD configurations.
 358     noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
 359
 360     # Skip some stuff that's unsupported on some NetBSD configurations.
 361     case "${target}" in
 362       i*86-*-netbsdelf*) ;;
 363       arm*-*-netbsdelf*) ;;
 364       *)
 365         noconfigdirs="$noconfigdirs ${libgcj}"
 366         ;;
 367     esac
 368     ;;
 369   *-*-netware)
 370     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-newlib target-libiberty target-libgloss ${libgcj}"
 371     ;;
 372   *-*-rtems*)
 373     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 374     case ${target} in
 375         h8300*-*-* | h8500-*-*)
 376           noconfigdirs="$noconfigdirs target-libf2c"
 377           ;;
 378         *) ;;
 379     esac
 380     ;;
 381   *-*-uclinux*)
 382     noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
 383     ;;
 384   *-*-vxworks*)
 385     noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj}"
 386     ;;
 387   alpha*-dec-osf*)
 388     # ld works, but does not support shared libraries.
 389     # newlib is not 64 bit ready.  I'm not sure about fileutils.
 390     # gas doesn't generate exception information.
 391     noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
 392     ;;
 393   alpha*-*-*vms*)
 394     noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
 395     ;;
 396   alpha*-*-linux*)
 397     # newlib is not 64 bit ready
 398     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 399     ;;
 400   alpha*-*-freebsd* | alpha*-*-kfreebsd*-gnu)
 401     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 402     ;;
 403   alpha*-*-*)
 404     # newlib is not 64 bit ready
 405     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 406     ;;
 407   am33_2.0-*-linux*)
 408     noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
 409     ;;
 410   sh-*-linux*)
 411     noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
 412     ;;
 413   sh*-*-pe|mips*-*-pe|*arm-wince-pe)
 414     noconfigdirs="$noconfigdirs ${libgcj}"
 415     noconfigdirs="$noconfigdirs target-examples"
 416     noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
 417     noconfigdirs="$noconfigdirs tcl tix tk itcl libgui sim"
 418     noconfigdirs="$noconfigdirs expect dejagnu"
 419     # the C++ libraries don't build on top of CE's C libraries
 420     noconfigdirs="$noconfigdirs target-libstdc++-v3"
 421     noconfigdirs="$noconfigdirs target-newlib"
 422     case "${host}" in
 423       *-*-cygwin*) ;; # keep gdb and readline
 424       *) noconfigdirs="$noconfigdirs gdb readline"
 425          ;;
 426     esac
 427     ;;
 428   arc-*-*)
 429     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 430     ;;
 431   arm-*-coff | strongarm-*-coff | xscale-*-coff)
 432     noconfigdirs="$noconfigdirs ${libgcj}"
 433     ;;
 434   arm-*-elf* | strongarm-*-elf* | xscale-*-elf*)
 435     noconfigdirs="$noconfigdirs target-libffi target-qthreads"
 436     ;;
 437   arm-*-pe*)
 438     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 439     ;;
 440   arm-*-oabi*)
 441     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 442     ;;
 443   thumb-*-coff)
 444     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 445     ;;
 446   thumb-*-elf)
 447     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 448     ;;
 449   thumb-*-oabi)
 450     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 451     ;;
 452   thumb-*-pe)
 453     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 454     ;;
 455   arm-*-riscix*)
 456     noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
 457     ;;
 458   avr-*-*)
 459     noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
 460     ;;
 461   c4x-*-* | tic4x-*-*)
 462     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
 463     ;;
 464   c54x*-*-* | tic54x-*-*)
 465     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
 466     ;;
 467   cris-*-*)
 468     noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
 469     ;;
 470   d10v-*-*)
 471     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
 472     ;;
 473   d30v-*-*)
 474     noconfigdirs="$noconfigdirs ${libgcj} gdb"
 475     ;;
 476   fr30-*-elf*)
 477     noconfigdirs="$noconfigdirs ${libgcj} gdb"
 478     ;;
 479   frv-*-*)
 480     noconfigdirs="$noconfigdirs ${libgcj}"
 481     ;;
 482   h8300*-*-*)
 483     noconfigdirs="$noconfigdirs target-libgloss ${libgcj} target-libf2c"
 484     ;;
 485   h8500-*-*)
 486     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} target-libf2c"
 487     ;;
 488   hppa*64*-*-linux* | parisc*64*-*-linux*)
 489     # In this case, it's because the hppa64-linux target is for
 490     # the kernel only at this point and has no libc, and thus no
 491     # headers, crt*.o, etc., all of which are needed by these.
 492     noconfigdirs="$noconfigdirs target-zlib"
 493     ;;
 494   hppa*-*-*elf* | \
 495   parisc*-*-linux* | hppa*-*-linux* | \
 496   hppa*-*-lites* | \
 497   hppa*-*-openbsd* | \
 498   hppa*64*-*-*)
 499     noconfigdirs="$noconfigdirs ${libgcj}"
 500     # Do configure ld/binutils/gas for this case.
 501     ;;
 502   hppa*-*-*)
 503     # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
 504     # build on HP-UX 10.20.
 505     noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
 506     ;;
 507   i960-*-*)
 508     noconfigdirs="$noconfigdirs ${libgcj} gdb"
 509     ;;
 510   ia64*-*-elf*)
 511     # No gdb support yet.
 512     noconfigdirs="$noconfigdirs tix readline mmalloc libgui itcl gdb"
 513     ;;
 514   ia64*-**-hpux*)
 515     # No gdb or ld support yet.
 516     noconfigdirs="$noconfigdirs ${libgcj} tix readline mmalloc libgui itcl gdb ld"
 517     ;;
 518   i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
 519     noconfigdirs="$noconfigdirs ${libgcj}"
 520     ;;
 521   i[[3456789]]86-*-freebsd* | i[[3456789]]86-*-kfreebsd*-gnu)
 522     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 523     ;;
 524   i[[3456789]]86-*-linux*)
 525     # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
 526     # not build java stuff by default.
 527     case "${target}" in
 528       *-*-*libc1*)
 529         noconfigdirs="$noconfigdirs ${libgcj}";;
 530     esac
 531
 532     # This section makes it possible to build newlib natively on linux.
 533     # If we are using a cross compiler then don't configure newlib.
 534     if test x${is_cross_compiler} != xno ; then
 535       noconfigdirs="$noconfigdirs target-newlib"
 536     fi
 537     noconfigdirs="$noconfigdirs target-libgloss"
 538     # If we are not using a cross compiler, do configure newlib.
 539     # Note however, that newlib will only be configured in this situation
 540     # if the --with-newlib option has been given, because otherwise
 541     # 'target-newlib' will appear in skipdirs.
 542     ;;
 543   i[[3456789]]86-*-mingw32*)
 544     target_configdirs="$target_configdirs target-mingw"
 545     noconfigdirs="$noconfigdirs expect target-libgloss ${libgcj}"
 546
 547     # Can't build gdb for mingw32 if not native.
 548     case "${host}" in
 549       i[[3456789]]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
 550       *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix gnuserv"
 551          ;;
 552     esac
 553     ;;
 554   *-*-cygwin*)
 555     target_configdirs="$target_configdirs target-libtermcap target-winsup"
 556     noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
 557     # always build newlib.
 558     skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
 559
 560     # Can't build gdb for Cygwin if not native.
 561     case "${host}" in
 562       *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
 563       *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix libgui gnuserv"
 564          ;;
 565     esac
 566     ;;
 567   i[[3456789]]86-*-pe)
 568     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
 569     ;;
 570   i[[3456789]]86-*-sco3.2v5*)
 571     # The linker does not yet know about weak symbols in COFF,
 572     # and is not configured to handle mixed ELF and COFF.
 573     noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
 574     ;;
 575   i[[3456789]]86-*-sco*)
 576     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 577     ;;
 578   i[[3456789]]86-*-solaris2*)
 579     noconfigdirs="$noconfigdirs target-libgloss"
 580     ;;
 581   i[[3456789]]86-*-sysv4*)
 582     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 583     ;;
 584   i[[3456789]]86-*-beos*)
 585     noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
 586     ;;
 587   m32r-*-*)
 588     noconfigdirs="$noconfigdirs ${libgcj}"
 589     ;;
 590   m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
 591     noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
 592     ;;
 593   m68k-*-elf*)
 594     noconfigdirs="$noconfigdirs ${libgcj}"
 595     ;;
 596   m68k-*-coff*)
 597     noconfigdirs="$noconfigdirs ${libgcj}"
 598     ;;
 599   mcore-*-pe*)
 600   # The EPOC C++ environment does not support exceptions or rtti,
 601   # and so building libstdc++-v3 tends not to always work.
 602     noconfigdirs="$noconfigdirs target-libstdc++-v3"
 603     ;;
 604   mmix-*-*)
 605     noconfigdirs="$noconfigdirs ${libgcj} gdb libgloss"
 606     ;;
 607   mn10200-*-*)
 608     noconfigdirs="$noconfigdirs ${libgcj}"
 609     ;;
 610   mn10300-*-*)
 611     noconfigdirs="$noconfigdirs ${libgcj}"
 612     ;;
 613   powerpc-*-aix*)
 614     # copied from rs6000-*-* entry
 615     noconfigdirs="$noconfigdirs gprof target-libada target-libgloss ${libgcj}"
 616     ;;
 617   powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
 618     target_configdirs="$target_configdirs target-winsup"
 619     noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl tix gnuserv ${libgcj}"
 620     # always build newlib.
 621     skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
 622     ;;
 623     # This is temporary until we can link against shared libraries
 624   powerpcle-*-solaris*)
 625     noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl tix gnuserv ${libgcj}"
 626     ;;
 627   powerpc-*-beos*)
 628     noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
 629     ;;
 630   powerpc-*-eabi)
 631     noconfigdirs="$noconfigdirs ${libgcj}"
 632     ;;
 633   rs6000-*-lynxos*)
 634     noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
 635     ;;
 636   rs6000-*-aix*)
 637     noconfigdirs="$noconfigdirs gprof target-libada target-libgloss ${libgcj}"
 638     ;;
 639   rs6000-*-*)
 640     noconfigdirs="$noconfigdirs gprof ${libgcj}"
 641     ;;
 642   m68k-apollo-*)
 643     noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
 644     ;;
 645   mips*-*-irix5*)
 646     # The GNU linker does not support shared libraries.
 647     noconfigdirs="$noconfigdirs ld gprof target-libgloss ${libgcj}"
 648     ;;
 649   mips*-*-irix6*)
 650     # Linking libjava exceeds command-line length limits on at least
 651     # IRIX 6.2, but not on IRIX 6.5.
 652     # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
 653     # <oldham@codesourcery.com>
 654     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 655     ;;
 656   mips*-dec-bsd*)
 657     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 658     ;;
 659   mips*-*-bsd*)
 660     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 661     ;;
 662   mipstx39-*-*)
 663     noconfigdirs="$noconfigdirs gprof ${libgcj}"   # same as generic mips
 664     ;;
 665   mips*-*-linux*)
 666     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 667     ;;
 668   mips*-*-*)
 669     noconfigdirs="$noconfigdirs gprof ${libgcj}"
 670     ;;
 671   romp-*-*)
 672     noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
 673     ;;
 674   sh-*-*)
 675     case "${host}" in
 676       i[[3456789]]86-*-vsta) ;; # don't add gprof back in
 677       i[[3456789]]86-*-go32*) ;; # don't add gprof back in
 678       i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
 679       *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
 680     esac
 681     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 682     ;;
 683   sh64-*-*)
 684     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 685     ;;
 686   sparc-*-elf*)
 687     noconfigdirs="$noconfigdirs ${libgcj}"
 688     ;;
 689   sparc64-*-elf*)
 690     noconfigdirs="$noconfigdirs ${libgcj}"
 691     ;;
 692   sparclite-*-*)
 693     noconfigdirs="$noconfigdirs ${libgcj}"
 694     ;;
 695   sparc-*-sunos4*)
 696     noconfigdirs="$noconfigdirs ${libgcj}"
 697     if test x${is_cross_compiler} != xno ; then
 698            noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
 699     else
 700            use_gnu_ld=no
 701     fi
 702     ;;
 703   sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
 704     ;;
 705   v810-*-*)
 706     noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
 707     ;;
 708   v850-*-*)
 709     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 710     ;;
 711   v850e-*-*)
 712     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 713     ;;
 714   v850ea-*-*)
 715     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 716     ;;
 717   vax-*-vms)
 718     noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
 719     ;;
 720   vax-*-*)
 721     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 722     ;;
 723   xtensa-*-*)
 724     noconfigdirs="$noconfigdirs ${libgcj}"
 725     ;;
 726   ip2k-*-*)
 727     noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
 728     ;;
 729   *-*-linux*)
 730     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 731     ;;
 732   *-*-lynxos*)
 733     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 734     ;;
 735   *-*-*)
 736     noconfigdirs="$noconfigdirs ${libgcj}"
 737     ;;
 738 esac
 739
 740 # If we aren't building newlib, then don't build libgloss, since libgloss
 741 # depends upon some newlib header files.
 742 case "${noconfigdirs}" in
 743   *target-libgloss*) ;;
 744   *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
 745 esac
 746
 747 # Figure out what language subdirectories are present.
 748 # Look if the user specified --enable-languages="..."; if not, use
 749 # the environment variable $LANGUAGES if defined. $LANGUAGES might
 750 # go away some day.
 751 # NB:  embedded tabs in this IF block -- do not untabify
 752 if test x"${enable_languages+set}" != xset; then
 753   if test x"${LANGUAGES+set}" = xset; then
 754     enable_languages="${LANGUAGES}"
 755       echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
 756   else
 757     enable_languages=all
 758   fi
 759 else
 760   if test x"${enable_languages}" = x ||
 761      test x"${enable_languages}" = xyes;
 762      then
 763     echo configure.in: --enable-languages needs at least one language argument 1>&2
 764     exit 1
 765   fi
 766 fi
 767 enable_languages=`echo "${enable_languages}" | sed -e 's/[[     ,]][[   ,]]*/,/g' -e 's/,$//'`
 768
 769 # First scan to see if an enabled language requires some other language.
 770 # We assume that a given config-lang.in will list all the language
 771 # front ends it requires, even if some are required indirectly.
 772 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
 773   case ${lang_frag} in
 774     ..) ;;
 775     # The odd quoting in the next line works around
 776     # an apparent bug in bash 1.12 on linux.
 777     ${srcdir}/gcc/[[*]]/config-lang.in) ;;
 778     *)
 779       # From the config-lang.in, get $language, $lang_requires
 780       language=
 781       lang_requires=
 782       . ${lang_frag}
 783       for other in ${lang_requires} ; do
 784         case ,${enable_languages}, in
 785           *,$other,*) ;;
 786           *,all,*) ;;
 787           *,$language,*)
 788             echo " \`$other' language required by \`$language'; enabling" 1>&2
 789             enable_languages="${enable_languages},${other}"
 790             ;;
 791         esac
 792       done
 793       ;;
 794   esac
 795 done
 796
 797 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
 798   case ${lang_frag} in
 799     ..) ;;
 800     # The odd quoting in the next line works around
 801     # an apparent bug in bash 1.12 on linux.
 802     ${srcdir}/gcc/[[*]]/config-lang.in) ;;
 803     *)
 804       # From the config-lang.in, get $language, $target_libs,
 805       # $lang_dirs, and $build_by_default
 806       language=
 807       target_libs=
 808       lang_dirs=
 809       build_by_default=
 810       . ${lang_frag}
 811       if test "x$language" = x ; then
 812         echo "${lang_frag} doesn't set \$language." 1>&2
 813         exit 1
 814       fi
 815       case ,${enable_languages}, in
 816         *,${language},*)
 817           # Language was explicitly selected; include it.
 818           add_this_lang=yes
 819           ;;
 820         *,all,*)
 821           # 'all' was selected; include 'default' languages.
 822           case ${build_by_default} in
 823             no) add_this_lang=no ;;
 824             *) add_this_lang=yes ;;
 825           esac
 826           ;;
 827         *) add_this_lang=no ;;
 828       esac
 829       case ${add_this_lang} in
 830         no)
 831           # Remove language-dependent dirs.
 832           eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
 833           ;;
 834       esac
 835       ;;
 836   esac
 837 done
 838
 839 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs and
 840 # $target_configdirs.
 841 # If we have the source for $noconfigdirs entries, add them to $notsupp.
 842
 843 notsupp=""
 844 for dir in . $skipdirs $noconfigdirs ; do
 845   dirname=`echo $dir | sed -e s/target-//g`
 846   if test $dir != .  && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 847     configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
 848     if test -r $srcdir/$dirname/configure ; then
 849       if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 850         true
 851       else
 852         notsupp="$notsupp $dir"
 853       fi
 854     fi
 855   fi
 856   if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 857     target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
 858     if test -r $srcdir/$dirname/configure ; then
 859       if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 860         true
 861       else
 862         notsupp="$notsupp $dir"
 863       fi
 864     fi
 865   fi
 866 done
 867
 868 # Sometimes the tools are distributed with libiberty but with no other
 869 # libraries.  In that case, we don't want to build target-libiberty.
 870 if test -n "${target_configdirs}" ; then
 871   others=
 872   for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
 873     if test "$i" != "libiberty" ; then
 874       if test -r $srcdir/$i/configure ; then
 875         others=yes;
 876         break;
 877       fi
 878     fi
 879   done
 880   if test -z "${others}" ; then
 881     target_configdirs=
 882   fi
 883 fi
 884
 885 # Quietly strip out all directories which aren't configurable in this tree.
 886 # This relies on all configurable subdirectories being autoconfiscated, which
 887 # is now the case.
 888 configdirs_all="$configdirs"
 889 configdirs=
 890 for i in ${configdirs_all} ; do
 891   if test -f ${srcdir}/$i/configure ; then
 892     configdirs="${configdirs} $i"
 893   fi
 894 done
 895 target_configdirs_all="$target_configdirs"
 896 target_configdirs=
 897 for i in ${target_configdirs_all} ; do
 898   j=`echo $i | sed -e s/target-//g`
 899   if test -f ${srcdir}/$j/configure ; then
 900     target_configdirs="${target_configdirs} $i"
 901   fi
 902 done
 903
 904 # Produce a warning message for the subdirs we can't configure.
 905 # This isn't especially interesting in the Cygnus tree, but in the individual
 906 # FSF releases, it's important to let people know when their machine isn't
 907 # supported by the one or two programs in a package.
 908
 909 if test -n "${notsupp}" && test -z "${norecursion}" ; then
 910   # If $appdirs is non-empty, at least one of those directories must still
 911   # be configured, or we error out.  (E.g., if the gas release supports a
 912   # specified target in some subdirs but not the gas subdir, we shouldn't
 913   # pretend that all is well.)
 914   if test -n "$appdirs" ; then
 915     for dir in $appdirs ; do
 916       if test -r $dir/Makefile.in ; then
 917         if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 918           appdirs=""
 919           break
 920         fi
 921         if echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 922           appdirs=""
 923           break
 924         fi
 925       fi
 926     done
 927     if test -n "$appdirs" ; then
 928       echo "*** This configuration is not supported by this package." 1>&2
 929       exit 1
 930     fi
 931   fi
 932   # Okay, some application will build, or we don't care to check.  Still
 933   # notify of subdirs not getting built.
 934   echo "*** This configuration is not supported in the following subdirectories:" 1>&2
 935   echo "    ${notsupp}" 1>&2
 936   echo "    (Any other directories should still work fine.)" 1>&2
 937 fi
 938
 939 case "$host" in
 940   *msdosdjgpp*)
 941     enable_gdbtk=no ;;
 942 esac
 943
 944 copy_dirs=
 945
 946 # Handle --with-headers=XXX.  If the value is not "yes", the contents of
 947 # the named directory are copied to $(tooldir)/sys-include.
 948 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
 949   if test x${is_cross_compiler} = xno ; then
 950     echo 1>&2 '***' --with-headers is only supported when cross compiling
 951     exit 1
 952   fi
 953   if test x"${with_headers}" != xyes ; then
 954     case "${exec_prefixoption}" in
 955     "") x=${prefix} ;;
 956     *) x=${exec_prefix} ;;
 957     esac
 958     copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
 959   fi
 960 fi
 961
 962 # Handle --with-libs=XXX.  If the value is not "yes", the contents of
 963 # the name directories are copied to $(tooldir)/lib.  Multiple directories
 964 # are permitted.
 965 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
 966   if test x${is_cross_compiler} = xno ; then
 967     echo 1>&2 '***' --with-libs is only supported when cross compiling
 968     exit 1
 969   fi
 970   if test x"${with_libs}" != xyes ; then
 971     # Copy the libraries in reverse order, so that files in the first named
 972     # library override files in subsequent libraries.
 973     case "${exec_prefixoption}" in
 974     "") x=${prefix} ;;
 975     *) x=${exec_prefix} ;;
 976     esac
 977     for l in ${with_libs}; do
 978       copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
 979     done
 980   fi
 981 fi
 982
 983 # Handle ${copy_dirs}
 984 set fnord ${copy_dirs}
 985 shift
 986 while test $# != 0 ; do
 987   if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
 988     :
 989   else
 990     echo Copying $1 to $2
 991
 992     # Use the install script to create the directory and all required
 993     # parent directories.
 994     if test -d $2 ; then
 995       :
 996     else
 997       echo >config.temp
 998       ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
 999     fi
1000
1001     # Copy the directory, assuming we have tar.
1002     # FIXME: Should we use B in the second tar?  Not all systems support it.
1003     (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
1004
1005     # It is the responsibility of the user to correctly adjust all
1006     # symlinks.  If somebody can figure out how to handle them correctly
1007     # here, feel free to add the code.
1008
1009     echo $1 > $2/COPIED
1010   fi
1011   shift; shift
1012 done
1013
1014 # Work in distributions that contain no compiler tools, like Autoconf.
1015 tentative_cc=""
1016 host_makefile_frag=/dev/null
1017 if test -d ${srcdir}/config ; then
1018 case "${host}" in
1019   m68k-hp-hpux*)
1020     # Avoid "too much defining" errors from HPUX compiler.
1021     tentative_cc="cc -Wp,-H256000"
1022     # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
1023     # If it's HP/UX ar, this should be harmless.
1024     RANLIB="ar ts"
1025     ;;
1026   m68k-apollo-sysv*)
1027     tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
1028     ;;
1029   m68k-apollo-bsd*)
1030     #None of the Apollo compilers can compile gas or binutils.  The preprocessor
1031     # chokes on bfd, the compiler won't let you assign integers to enums, and
1032     # other problems.  Defining CC to gcc is a questionable way to say "don't use
1033     # the apollo compiler" (the preferred version of GCC could be called cc,
1034     # or whatever), but I'm not sure leaving CC as cc is any better...
1035     #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
1036     # Used to have BISON=yacc.
1037     tentative_cc=gcc
1038     ;;
1039   m88k-dg-dgux*)
1040     tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1041     ;;
1042   m88k-harris-cxux*)
1043     # Under CX/UX, we want to tell the compiler to use ANSI mode.
1044     tentative_cc="cc -Xa"
1045     host_makefile_frag="config/mh-cxux"
1046     ;;
1047   m88k-motorola-sysv*)
1048     ;;
1049   mips*-dec-ultrix*)
1050     tentative_cc="cc -Wf,-XNg1000"
1051     host_makefile_frag="config/mh-decstation"
1052     ;;
1053   mips*-nec-sysv4*)
1054     # The C compiler on NEC MIPS SVR4 needs bigger tables.
1055     tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
1056     host_makefile_frag="config/mh-necv4"
1057     ;;
1058   mips*-sgi-irix4*)
1059     # Tell compiler to use K&R C.  We can't compile under the SGI Ansi
1060     # environment.  Also bump switch table size so that cp-parse will
1061     # compile.  Bump string length limit so linker builds.
1062     tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
1063     ;;
1064   mips*-*-sysv4*)
1065     host_makefile_frag="config/mh-sysv4"
1066     ;;
1067   mips*-*-sysv*)
1068     # This is for a MIPS running RISC/os 4.52C.
1069
1070     # This is needed for GDB, but needs to be in the top-level make because
1071     # if a library is compiled with the bsd headers and gets linked with the
1072     # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
1073     # a different size).
1074     # ptrace(2) apparently has problems in the BSD environment.  No workaround is
1075     # known except to select the sysv environment.  Could we use /proc instead?
1076     # These "sysv environments" and "bsd environments" often end up being a pain.
1077     #
1078     # This is not part of CFLAGS because perhaps not all C compilers have this
1079     # option.
1080     tentative_cc="cc -systype sysv"
1081     ;;
1082   i370-ibm-opened*)
1083     tentative_cc="c89"
1084     ;;
1085   i[[3456789]]86-*-sysv5*)
1086     host_makefile_frag="config/mh-sysv5"
1087     ;;
1088   i[[3456789]]86-*-dgux*)
1089     tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1090     host_makefile_frag="config/mh-dgux386"
1091     ;;
1092   i[[3456789]]86-ncr-sysv4.3*)
1093     # The MetaWare compiler will generate a copyright message unless you
1094     # turn it off by adding the -Hnocopyr flag.
1095     tentative_cc="cc -Hnocopyr"
1096     ;;
1097   i[[3456789]]86-ncr-sysv4*)
1098     # for an NCR 3000 (i486/SVR4) system.
1099     # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
1100     # This compiler not only emits obnoxious copyright messages every time
1101     # you run it, but it chokes and dies on a whole bunch of GNU source
1102     # files.  Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
1103     tentative_cc="/usr/ccs/ATT/cc"
1104     host_makefile_frag="config/mh-ncr3000"
1105     ;;
1106   i[[3456789]]86-*-sco3.2v5*)
1107     ;;
1108   i[[3456789]]86-*-sco*)
1109     # The native C compiler botches some simple uses of const.  Unfortunately,
1110     # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
1111     tentative_cc="cc -Dconst="
1112     host_makefile_frag="config/mh-sco"
1113     ;;
1114   i[[3456789]]86-*-udk*)
1115     host_makefile_frag="config/mh-sysv5"
1116     ;;
1117   i[[3456789]]86-*-solaris2*)
1118     host_makefile_frag="config/mh-sysv4"
1119     ;;
1120   i[[3456789]]86-*-msdosdjgpp*)
1121     host_makefile_frag="config/mh-djgpp"
1122     ;;
1123   *-cygwin*)
1124     host_makefile_frag="config/mh-cygwin"
1125     ;;
1126   *-mingw32*)
1127     host_makefile_frag="config/mh-mingw32"
1128     ;;
1129   *-interix*)
1130     host_makefile_frag="config/mh-interix"
1131     ;;
1132   vax-*-ultrix2*)
1133     # The old BSD pcc isn't up to compiling parts of gdb so use gcc
1134     tentative_cc=gcc
1135     ;;
1136   *-*-solaris2*)
1137     host_makefile_frag="config/mh-solaris"
1138     ;;
1139   m68k-sun-sunos*)
1140     # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
1141     # without overflowing the jump tables (-J says to use a 32 bit table)
1142     tentative_cc="cc -J"
1143     ;;
1144   *-hp-hpux*)
1145     tentative_cc="cc -Wp,-H256000"
1146     ;;
1147   *-*-hiux*)
1148     tentative_cc="cc -Wp,-H256000"
1149     ;;
1150   rs6000-*-lynxos*)
1151     # /bin/cc is less than useful for our purposes.  Always use GCC
1152     tentative_cc="/usr/cygnus/progressive/bin/gcc"
1153     host_makefile_frag="config/mh-lynxrs6k"
1154     ;;
1155   *-*-lynxos*)
1156     # /bin/cc is less than useful for our purposes.  Always use GCC
1157     tentative_cc="/bin/gcc"
1158     ;;
1159   *-*-sysv4*)
1160     host_makefile_frag="config/mh-sysv4"
1161     ;;
1162 esac
1163 fi
1164
1165 extra_arflags_for_target=
1166 extra_nmflags_for_target=
1167 extra_ranlibflags_for_target=
1168 target_makefile_frag=/dev/null
1169 case "${target}" in
1170   i[[3456789]]86-*-netware*)
1171     target_makefile_frag="config/mt-netware"
1172     ;;
1173   powerpc-*-netware*)
1174     target_makefile_frag="config/mt-netware"
1175     ;;
1176   *-*-linux*)
1177     target_makefile_frag="config/mt-linux"
1178     ;;
1179   *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
1180     # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1181     # commands to handle both 32-bit and 64-bit objects.  These flags are
1182     # harmless if we're using GNU nm or ar.
1183     extra_arflags_for_target=" -X32_64"
1184     extra_nmflags_for_target=" -B -X32_64"
1185     ;;
1186   *-*-darwin*)
1187     # ranlib from Darwin requires the -c flag to look at common symbols.
1188     extra_ranlibflags_for_target=" -c"
1189     ;;
1190   mips*-*-pe | sh*-*-pe | *arm-wince-pe)
1191     target_makefile_frag="config/mt-wince"
1192     ;;
1193 esac
1194
1195 alphaieee_frag=/dev/null
1196 case $target in
1197   alpha*-*-*)
1198     # This just makes sure to use the -mieee option to build target libs.
1199     # This should probably be set individually by each library.
1200     alphaieee_frag="config/mt-alphaieee"
1201     ;;
1202 esac
1203
1204 # If --enable-target-optspace always use -Os instead of -O2 to build
1205 # the target libraries, similarly if it is not specified, use -Os
1206 # on selected platforms.
1207 ospace_frag=/dev/null
1208 case "${enable_target_optspace}:${target}" in
1209   yes:*)
1210     ospace_frag="config/mt-ospace"
1211     ;;
1212   :d30v-*)
1213     ospace_frag="config/mt-d30v"
1214     ;;
1215   :m32r-* | :d10v-* | :fr30-*)
1216     ospace_frag="config/mt-ospace"
1217     ;;
1218   no:* | :*)
1219     ;;
1220   *)
1221     echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1222     ;;
1223 esac
1224
1225 # Set with_gnu_as and with_gnu_ld as appropriate.
1226 #
1227 # This is done by determining whether or not the appropriate directory
1228 # is available, and by checking whether or not specific configurations
1229 # have requested that this magic not happen.
1230 #
1231 # The command line options always override the explicit settings in
1232 # configure.in, and the settings in configure.in override this magic.
1233 #
1234 # If the default for a toolchain is to use GNU as and ld, and you don't
1235 # want to do that, then you should use the --without-gnu-as and
1236 # --without-gnu-ld options for the configure script.
1237
1238 if test x${use_gnu_as} = x &&
1239    echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1240   with_gnu_as=yes
1241   extra_host_args="$extra_host_args --with-gnu-as"
1242 fi
1243
1244 if test x${use_gnu_ld} = x &&
1245    echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1246   with_gnu_ld=yes
1247   extra_host_args="$extra_host_args --with-gnu-ld"
1248 fi
1249
1250 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1251 # can detect this case.
1252
1253 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1254   with_newlib=yes
1255   extra_host_args="$extra_host_args --with-newlib"
1256 fi
1257
1258
1259 # Default to using --with-stabs for certain targets.
1260 if test x${with_stabs} = x ; then
1261   case "${target}" in
1262   mips*-*-irix[[56]]*)
1263     ;;
1264   mips*-*-* | alpha*-*-osf*)
1265     with_stabs=yes;
1266     extra_host_args="${extra_host_args} --with-stabs"
1267     ;;
1268   esac
1269 fi
1270
1271 # hpux11 in 64bit mode has libraries in a weird place.  Arrange to find
1272 # them automatically.
1273 case "${host}" in
1274   hppa*64*-*-hpux11*)
1275     extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1276     ;;
1277 esac
1278
1279 # If we aren't going to be using gcc, see if we can extract a definition
1280 # of CC from the fragment.
1281 # Actually, use the 'pre-extracted' version above.
1282 if test -z "${CC}" && test "${build}" = "${host}" ; then
1283   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
1284   found=
1285   for dir in $PATH; do
1286     test -z "$dir" && dir=.
1287     if test -f $dir/gcc; then
1288       found=yes
1289       break
1290     fi
1291   done
1292   IFS="$save_ifs"
1293   if test -z "${found}" && test -n "${tentative_cc}" ; then
1294     CC=$tentative_cc
1295   fi
1296 fi
1297
1298 # Some systems (e.g., one of the i386-aix systems the gas testers are
1299 # using) don't handle "\$" correctly, so don't use it here.
1300 tooldir='${exec_prefix}'/${target_alias}
1301 build_tooldir=${tooldir}
1302
1303 # Generate a default definition for YACC.  This is used if the makefile can't
1304 # locate bison or byacc in objdir.
1305
1306 for prog in 'bison -y' byacc yacc
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_YACC="$prog"
1314       break
1315     fi
1316   done
1317   IFS="$save_ifs"
1318
1319   test -n "$DEFAULT_YACC" && break
1320 done
1321
1322 # Generate a default definition for M4.  This is used if the makefile can't
1323 # locate m4 in objdir.
1324
1325 for prog in gm4 gnum4 m4
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_M4="$prog"
1333       break
1334     fi
1335   done
1336   IFS="$save_ifs"
1337
1338   test -n "$DEFAULT_M4" && break
1339 done
1340
1341 # Generate a default definition for LEX.  This is used if the makefile can't
1342 # locate flex in objdir.
1343
1344 for prog in flex lex
1345 do
1346   set dummy $prog; tmp=$2
1347   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
1348   for dir in $PATH; do
1349     test -z "$dir" && dir=.
1350     if test -f $dir/$tmp; then
1351       DEFAULT_LEX="$prog"
1352       break
1353     fi
1354   done
1355   IFS="$save_ifs"
1356
1357   test -n "$DEFAULT_LEX" && break
1358 done
1359
1360 if test "${build}" != "${host}" ; then
1361   # If we are doing a Canadian Cross, in which the host and build systems
1362   # are not the same, we set reasonable default values for the tools.
1363
1364   BISON=${BISON-bison}
1365   CC=${CC-${host_alias}-gcc}
1366   CFLAGS=${CFLAGS-"-g -O2"}
1367   CXX=${CXX-${host_alias}-c++}
1368   CXXFLAGS=${CXXFLAGS-"-g -O2"}
1369   CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1370   CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
1371   CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
1372   GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
1373   GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
1374   BUILD_PREFIX=${build_alias}-
1375   BUILD_PREFIX_1=${build_alias}-
1376   MAKEINFO=${MAKEINFO-makeinfo}
1377
1378   if test -z "${YACC}" ; then
1379     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
1380     for dir in $PATH; do
1381       test -z "$dir" && dir=.
1382       if test -f $dir/bison; then
1383         YACC="bison -y"
1384         break
1385       fi
1386       if test -f $dir/byacc; then
1387         YACC=byacc
1388         break
1389       fi
1390       if test -f $dir/yacc; then
1391         YACC=yacc
1392         break
1393       fi
1394     done
1395     IFS="$save_ifs"
1396     if test -z "${YACC}" ; then
1397       YACC="bison -y"
1398     fi
1399   fi
1400
1401   if test -z "${LEX}" ; then
1402     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
1403     for dir in $PATH; do
1404       test -z "$dir" && dir=.
1405       if test -f $dir/flex; then
1406         LEX=flex
1407         break
1408       fi
1409       if test -f $dir/lex; then
1410         LEX=lex
1411         break
1412       fi
1413     done
1414     IFS="$save_ifs"
1415     LEX=${LEX-flex}
1416   fi
1417
1418 else
1419   # Set reasonable default values for some tools even if not Canadian.
1420   # Of course, these are different reasonable default values, originally
1421   # specified directly in the Makefile.
1422   # We don't export, so that autoconf can do its job.
1423   # Note that all these settings are above the fragment inclusion point
1424   # in Makefile.in, so can still be overridden by fragments.
1425   # This is all going to change when we autoconfiscate...
1426
1427   BISON="\$(USUAL_BISON)"
1428   CC_FOR_BUILD="\$(CC)"
1429   GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
1430   BUILD_PREFIX=
1431   BUILD_PREFIX_1=loser-
1432   MAKEINFO="\$(USUAL_MAKEINFO)"
1433   LEX="\$(USUAL_LEX)"
1434   YACC="\$(USUAL_YACC)"
1435
1436   # If CC is still not set, try to get gcc.
1437   cc_prog_is_gcc=
1438   if test -z "${CC}" ; then
1439     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
1440     for dir in $PATH; do
1441       test -z "$dir" && dir=.
1442       if test -f $dir/gcc; then
1443         CC="gcc"
1444         cc_prog_is_gcc=yes
1445         echo 'void f(){}' > conftest.c
1446         if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1447           CFLAGS=${CFLAGS-"-g -O2"}
1448           CXXFLAGS=${CXXFLAGS-"-g -O2"}
1449         else
1450           CFLAGS=${CFLAGS-"-O2"}
1451           CXXFLAGS=${CXXFLAGS-"-O2"}
1452         fi
1453         rm -f conftest*
1454         break
1455       fi
1456     done
1457     IFS="$save_ifs"
1458     CC=${CC-cc}
1459   else
1460     # Determine if we are using gcc.
1461     cat > conftest.c <<EOF
1462 #ifdef __GNUC__
1463   yes;
1464 #endif
1465 EOF
1466     if ${CC} -E conftest.c | grep yes >/dev/null 2>&1; then
1467       cc_prog_is_gcc=yes
1468     fi
1469     rm -f conftest.c
1470     if test -z "${CFLAGS}"; then
1471       # Here CC is set but CFLAGS is not.  Use a quick hack to use -O2 if CC
1472       # is set to a version of gcc.
1473       if test "$cc_prog_is_gcc" = yes; then
1474         echo 'void f(){}' > conftest.c
1475         if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1476           CFLAGS=${CFLAGS-"-g -O2"}
1477           CXXFLAGS=${CXXFLAGS-"-g -O2"}
1478         else
1479           CFLAGS=${CFLAGS-"-O2"}
1480           CXXFLAGS=${CXXFLAGS-"-O2"}
1481         fi
1482         rm -f conftest*
1483       fi
1484     fi
1485   fi
1486
1487   # We must set the default linker to the linker used by gcc for the correct
1488   # operation of libtool.  If LD is not defined and we are using gcc, try to
1489   # set the LD default to the ld used by gcc.
1490   if test -z "$LD"; then
1491     if test "$cc_prog_is_gcc" = yes; then
1492       case $build in
1493       *-*-mingw*)
1494         gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1495       *)
1496         gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1497       esac
1498       case $gcc_prog_ld in
1499       # Accept absolute paths.
1500       [[\\/]* | [A-Za-z]:[\\/]*)]
1501         LD="$gcc_prog_ld" ;;
1502       esac
1503     fi
1504   fi
1505
1506   CXX=${CXX-"c++"}
1507   CFLAGS=${CFLAGS-"-g"}
1508   CXXFLAGS=${CXXFLAGS-"-g -O2"}
1509 fi
1510
1511 # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
1512 # Set up the list of links to be made.
1513 # ${links} is the list of link names, and ${files} is the list of names to link to.
1514
1515 # Make the links.
1516 configlinks="${links}"
1517 if test -r ./config.status  ; then
1518   mv -f ./config.status ./config.back
1519 fi
1520 while test -n "${files}" ; do
1521   # set file to car of files, files to cdr of files
1522   set ${files}; file=$1; shift; files=$*
1523   set ${links}; link=$1; shift; links=$*
1524
1525   if test ! -r ${srcdir}/${file} ; then
1526     if test ! -r ${file} ; then
1527       echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
1528       echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
1529       exit 1
1530     else
1531       srcfile=${file}
1532     fi
1533   else
1534     srcfile=${srcdir}/${file}
1535   fi
1536
1537   ${remove} -f ${link}
1538   # Make a symlink if possible, otherwise try a hard link
1539   if ${symbolic_link} ${srcfile} ${link} >/dev/null 2>&1 ; then
1540     true
1541   else
1542     # We need to re-remove the file because Lynx leaves a
1543     # very strange directory there when it fails an NFS symlink.
1544     ${remove} -r -f ${link}
1545     ${hard_link} ${srcfile} ${link}
1546   fi
1547   if test ! -r ${link} ; then
1548     echo '***' "${progname}: unable to link \"${link}\" to \"${srcfile}\"." 1>&2
1549     exit 1
1550   fi
1551
1552   echo "Linked \"${link}\" to \"${srcfile}\"."
1553 done
1554
1555 # Create a .gdbinit file which runs the one in srcdir
1556 # and tells GDB to look there for source files.
1557
1558 if test -r ${srcdir}/.gdbinit ; then
1559   case ${srcdir} in
1560     .) ;;
1561     *) cat > ./.gdbinit <<EOF
1562 # ${NO_EDIT}
1563 dir ${srcdir}
1564 dir .
1565 source ${srcdir}/.gdbinit
1566 EOF
1567     ;;
1568   esac
1569 fi
1570
1571 # Make sure that the compiler is able to generate an executable.  If it
1572 # can't, we are probably in trouble.  We don't care whether we can run the
1573 # executable--we might be using a cross compiler--we only care whether it
1574 # can be created.  At this point the main configure script has set CC.
1575 we_are_ok=no
1576 echo "int main () { return 0; }" > conftest.c
1577 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1578 if test $? = 0 ; then
1579   if test -s conftest || test -s conftest.exe ; then
1580     we_are_ok=yes
1581   fi
1582 fi
1583 case $we_are_ok in
1584   no)
1585     echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1586     echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1587     rm -f conftest*
1588     exit 1
1589     ;;
1590 esac
1591 rm -f conftest*
1592
1593 # The Solaris /usr/ucb/cc compiler does not appear to work.
1594 case "${host}" in
1595   sparc-sun-solaris2*)
1596       CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1597       if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1598           could_use=
1599           test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1600           if test -d /opt/cygnus/bin ; then
1601               if test "$could_use" = "" ; then
1602                   could_use="/opt/cygnus/bin"
1603               else
1604                   could_use="$could_use or /opt/cygnus/bin"
1605               fi
1606           fi
1607         if test "$could_use" = "" ; then
1608             echo "Warning: compilation may fail because you're using"
1609             echo "/usr/ucb/cc.  You should change your PATH or CC "
1610             echo "variable and rerun configure."
1611         else
1612             echo "Warning: compilation may fail because you're using"
1613             echo "/usr/ucb/cc, when you should use the C compiler from"
1614             echo "$could_use.  You should change your"
1615             echo "PATH or CC variable and rerun configure."
1616         fi
1617       fi
1618   ;;
1619 esac
1620
1621 # If --enable-shared was set, we must set LD_LIBRARY_PATH so that the
1622 # binutils tools will find libbfd.so.
1623 case "${enable_shared}" in
1624   no | "") SET_LIB_PATH= ;;
1625   *) SET_LIB_PATH="\$(REALLY_SET_LIB_PATH)" ;;
1626 esac
1627
1628 case "${host}" in
1629   *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1630   *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1631 esac
1632
1633 # Record target_configdirs and the configure arguments for target and
1634 # build configuration in Makefile.
1635 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1636
1637 # This is the final value for target_configdirs.  configdirs already
1638 # has its final value, as does build_modules.  It's time to create some
1639 # lists of valid targets.
1640
1641 all_build_modules=
1642 configure_build_modules=
1643 for module in ${build_modules} ; do
1644   all_build_modules=all-build-${module}
1645   configure_build_modules=configure-build-${module}
1646 done
1647
1648 # Determine whether gdb needs tk/tcl or not.
1649 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1650 # and in that case we want gdb to be built without tk.  Ugh!
1651 # In fact I believe gdb is the *only* package directly dependent on tk,
1652 # so we should be able to put the 'maybe's in unconditionally and
1653 # leave out the maybe dependencies when enable_gdbtk is false.  I'm not
1654 # 100% sure that that's safe though.
1655
1656 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-tix maybe-all-libgui"
1657 case "$enable_gdbtk" in
1658   no)
1659     GDB_TK="" ;;
1660   yes)
1661     GDB_TK="${gdb_tk}" ;;
1662   *)
1663     # Only add the dependency on gdbtk when GDBtk is part of the gdb
1664     # distro.  Eventually someone will fix this and move Insight, nee
1665     # gdbtk to a separate directory.
1666     if test -d ${srcdir}/gdb/gdbtk ; then
1667       GDB_TK="${gdb_tk}"
1668     else
1669       GDB_TK=""
1670     fi
1671     ;;
1672 esac
1673
1674 # Create the 'maybe dependencies'.  This uses a temporary file.
1675
1676 # While at that, we remove Makefiles if we were started for recursive
1677 # configuration, so that the top-level Makefile reconfigures them,
1678 # like we used to do when configure itself was recursive.
1679 rm -f maybedep.tmp
1680 echo '# maybedep.tmp' > maybedep.tmp
1681
1682 # Make-targets which may need maybe dependencies.
1683 mts="configure all install check clean distclean dvi info install-info"
1684 mts="${mts} installcheck mostlyclean maintainer-clean TAGS"
1685
1686 # Loop over modules and make-targets.
1687 for module in ${build_modules} ; do
1688   if test -z "${no_recursion}" \
1689      && test -f ${build_subdir}/${module}/Makefile; then
1690     echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
1691     rm -f ${build_subdir}/${module}/Makefile
1692   fi
1693   for mt in ${mts} ; do
1694     case ${mt} in
1695       install) ;; # No installing build modules.
1696       *) echo "maybe-${mt}-build-${module}: ${mt}-build-${module}" >> maybedep.tmp ;;
1697     esac
1698   done
1699 done
1700 for module in ${configdirs} ; do
1701   if test -z "${no_recursion}" \
1702      && test -f ${module}/Makefile; then
1703     echo 1>&2 "*** removing ${module}/Makefile to force reconfigure"
1704     rm -f ${module}/Makefile
1705   fi
1706   for mt in ${mts} ; do
1707     echo "maybe-${mt}-${module}: ${mt}-${module}" >> maybedep.tmp
1708   done
1709 done
1710 for module in ${target_configdirs} ; do
1711   if test -z "${no_recursion}" \
1712      && test -f ${target_subdir}/${module}/Makefile; then
1713     echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
1714     rm -f ${target_subdir}/${module}/Makefile
1715   fi
1716   for mt in ${mts} ; do
1717     echo "maybe-${mt}-target-${module}: ${mt}-target-${module}" >> maybedep.tmp
1718   done
1719 done
1720 maybe_dependencies=maybedep.tmp
1721 AC_SUBST_FILE(maybe_dependencies)
1722
1723 # Create the serialization dependencies.  This uses a temporary file.
1724
1725 AC_ARG_ENABLE([serial-configure],
1726 [  --enable-serial-[{host,target,build}-]configure
1727                           Force sequential configuration of
1728                           sub-packages for the host, target or build
1729                           machine, or all sub-packages])
1730
1731 case ${enable_serial_configure} in
1732   yes)
1733     enable_serial_build_configure=yes
1734     enable_serial_host_configure=yes
1735     enable_serial_target_configure=yes
1736     ;;
1737 esac
1738
1739 # These force 'configure's to be done one at a time, to avoid problems
1740 # with contention over a shared config.cache.
1741 rm -f serdep.tmp
1742 echo '# serdep.tmp' > serdep.tmp
1743 olditem=
1744 test "x${enable_serial_build_configure}" = xyes &&
1745 for item in ${build_configdirs} ; do
1746   case ${olditem} in
1747     "") ;;
1748     *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
1749   esac
1750   olditem=${item}
1751 done
1752 olditem=
1753 test "x${enable_serial_host_configure}" = xyes &&
1754 for item in ${configdirs} ; do
1755   case ${olditem} in
1756     "") ;;
1757     *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
1758   esac
1759   olditem=${item}
1760 done
1761 olditem=
1762 test "x${enable_serial_target_configure}" = xyes &&
1763 for item in ${target_configdirs} ; do
1764   case ${olditem} in
1765     "") ;;
1766     *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
1767   esac
1768   olditem=${item}
1769 done
1770 serialization_dependencies=serdep.tmp
1771 AC_SUBST_FILE(serialization_dependencies)
1772
1773 # Base args.  Strip norecursion, cache-file, srcdir, host, build,
1774 # target and nonopt.  These are the ones we might not want to pass
1775 # down to subconfigures.  Also strip program-prefix, program-suffix,
1776 # and program-transform-name, so that we can pass down a consistent
1777 # program-transform-name.  If autoconf has put single quotes around
1778 # any of these arguments (because they contain shell metacharacters)
1779 # then this will fail; in practice this only happens for
1780 # --program-transform-name, so be sure to override --program-transform-name
1781 # at the end of the argument list.
1782 # These will be expanded by make, so quote '$'.
1783 cat <<\EOF_SED > conftestsed
1784 s/ --no[[^ ]]* / /
1785 s/ --c[[a-z-]]*[[= ]][[^ ]]* / /
1786 s/ --sr[[a-z-]]*[[= ]][[^ ]]* / /
1787 s/ --ho[[a-z-]]*[[= ]][[^ ]]* / /
1788 s/ --bu[[a-z-]]*[[= ]][[^ ]]* / /
1789 s/ --t[[a-z-]]*[[= ]][[^ ]]* / /
1790 s/ --program-[[pst]][[a-z-]]*[[= ]][[^ ]]* / /
1791 s/ -cache-file[[= ]][[^ ]]* / /
1792 s/ -srcdir[[= ]][[^ ]]* / /
1793 s/ -host[[= ]][[^ ]]* / /
1794 s/ -build[[= ]][[^ ]]* / /
1795 s/ -target[[= ]][[^ ]]* / /
1796 s/ -program-prefix[[= ]][[^ ]]* / /
1797 s/ -program-suffix[[= ]][[^ ]]* / /
1798 s/ -program-transform-name[[= ]][[^ ]]* / /
1799 s/ [[^' -][^ ]*] / /
1800 s/^ *//;s/ *$//
1801 s,\$,$$,g
1802 EOF_SED
1803 sed -f conftestsed <<EOF_SED > conftestsed.out
1804  ${ac_configure_args}
1805 EOF_SED
1806 baseargs=`cat conftestsed.out`
1807 rm -f conftestsed conftestsed.out
1808
1809 # Add in --program-transform-name, after --program-prefix and
1810 # --program-suffix have been applied to it.  Autoconf has already
1811 # doubled dollar signs and backslashes in program_transform_name; we want
1812 # the backslashes un-doubled, and then the entire thing wrapped in single
1813 # quotes, because this will be expanded first by make and then by the shell.
1814 # Also, because we want to override the logic in subdir configure scripts to
1815 # choose program_transform_name, replace any s,x,x, with s,y,y,.
1816 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
1817 ${program_transform_name}
1818 EOF_SED
1819 gcc_transform_name=`cat conftestsed.out`
1820 rm -f conftestsed.out
1821 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
1822
1823 # For the build-side libraries, we just need to pretend we're native,
1824 # and not use the same cache file.  Multilibs are neither needed nor
1825 # desired.
1826 build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} ${baseargs}"
1827
1828 # For host modules, accept cache file option, or specification as blank.
1829 case "${cache_file}" in
1830 "") # empty
1831   cache_file_option="" ;;
1832 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
1833   cache_file_option="--cache-file=${cache_file}" ;;
1834 *) # relative path
1835   cache_file_option="--cache-file=../${cache_file}" ;;
1836 esac
1837
1838 # Host dirs don't like to share a cache file either, horribly enough.
1839 # This seems to be due to autoconf 2.5x stupidity.
1840 host_configargs="--cache-file=./config.cache --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
1841
1842 target_configargs=${baseargs}
1843
1844 # Passing a --with-cross-host argument lets the target libraries know
1845 # whether they are being built with a cross-compiler or being built
1846 # native.  However, it would be better to use other mechanisms to make the
1847 # sorts of decisions they want to make on this basis.  Please consider
1848 # this option to be deprecated.  FIXME.
1849 if test x${is_cross_compiler} = xyes ; then
1850   target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
1851 fi
1852
1853 # Default to --enable-multilib.
1854 if test x${enable_multilib} = x ; then
1855   target_configargs="--enable-multilib ${target_configargs}"
1856 fi
1857
1858 # Pass --with-newlib if appropriate.  Note that target_configdirs has
1859 # changed from the earlier setting of with_newlib.
1860 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
1861   target_configargs="--with-newlib ${target_configargs}"
1862 fi
1863
1864 # Different target subdirs use different values of certain variables
1865 # (notably CXX).  Worse, multilibs use *lots* of different values.
1866 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
1867 # it doesn't automatically accept command-line overrides of them.
1868 # This means it's not safe for target subdirs to share a cache file,
1869 # which is disgusting, but there you have it.  Hopefully this can be
1870 # fixed in future.  It's still worthwhile to use a cache file for each
1871 # directory.  I think.
1872
1873 # Pass the appropriate --host, --build, and --cache-file arguments.
1874 target_configargs="--cache-file=./config.cache --host=${target_alias} --build=${build_alias} ${target_configargs}"
1875
1876 # provide a proper gxx_include_dir.
1877 # Note, if you change the default, make sure to fix both here and in
1878 # the gcc and libstdc++-v3 subdirectories.
1879 # Check whether --with-gxx-include-dir or --without-gxx-include-dir was given.
1880 case "${with_gxx_include_dir}" in
1881   yes)
1882     AC_MSG_ERROR([--with-gxx-include-dir=[[dir]] requires a directory])
1883     ;;
1884   no | "")
1885     case "${enable_version_specific_runtime_libs}" in
1886       yes) gxx_include_dir='${libsubdir}/include/c++' ;;
1887       *)
1888         . ${srcdir}/config.if
1889         gxx_include_dir='${prefix}/include/'${libstdcxx_incdir} ;;
1890     esac ;;
1891   *) gxx_include_dir=${with_gxx_include_dir} ;;
1892 esac
1893
1894 FLAGS_FOR_TARGET=
1895 case " $target_configdirs " in
1896  *" newlib "*)
1897   case " $target_configargs " in
1898   *" --with-newlib "*)
1899    case "$target" in
1900    *-cygwin*)
1901      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 $$s/winsup/w32api/include' ;;
1902    esac
1903
1904    # If we're not building GCC, don't discard standard headers.
1905    if test -d ${srcdir}/gcc; then
1906      FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
1907
1908      if test "${build}" != "${host}"; then
1909        # On Canadian crosses, CC_FOR_TARGET will have already been set
1910        # by `configure', so we won't have an opportunity to add -Bgcc/
1911        # to it.  This is right: we don't want to search that directory
1912        # for binaries, but we want the header files in there, so add
1913        # them explicitly.
1914        FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/gcc/include'
1915
1916        # Someone might think of using the pre-installed headers on
1917        # Canadian crosses, in case the installed compiler is not fully
1918        # compatible with the compiler being built.  In this case, it
1919        # would be better to flag an error than risking having
1920        # incompatible object files being constructed.  We can't
1921        # guarantee that an error will be flagged, but let's hope the
1922        # compiler will do it, when presented with incompatible header
1923        # files.
1924      fi
1925    fi
1926
1927    case "${target}-${is_cross_compiler}" in
1928    i[[3456789]]86-*-linux*-no)
1929       # Here host == target, so we don't need to build gcc,
1930       # so we don't want to discard standard headers.
1931       FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
1932       ;;
1933    *)
1934       # If we're building newlib, use its generic headers last, but search
1935       # for any libc-related directories first (so make it the last -B
1936       # switch).
1937       FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
1938       ;;
1939    esac
1940    ;;
1941   esac
1942   ;;
1943 esac
1944
1945 # Allow the user to override the flags for
1946 # our build compiler if desired.
1947 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
1948
1949 # On Canadian crosses, we'll be searching the right directories for
1950 # the previously-installed cross compiler, so don't bother to add
1951 # flags for directories within the install tree of the compiler
1952 # being built; programs in there won't even run.
1953 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
1954   # Search for pre-installed headers if nothing else fits.
1955   FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
1956 fi
1957
1958 if test "x${use_gnu_ld}" = x &&
1959    echo " ${configdirs} " | grep " ld " > /dev/null ; then
1960   # Arrange for us to find uninstalled linker scripts.
1961   FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/ld'
1962 fi
1963
1964 if test "x${CC_FOR_TARGET+set}" = xset; then
1965   :
1966 elif test -d ${srcdir}/gcc; then
1967   CC_FOR_TARGET='$$r/gcc/xgcc -B$$r/gcc/'
1968 elif test "$host" = "$target"; then
1969   CC_FOR_TARGET='$(CC)'
1970 else
1971   CC_FOR_TARGET=`echo gcc | sed "${program_transform_name}"`
1972 fi
1973 CC_FOR_TARGET=$CC_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1974
1975 if test "x${GCJ_FOR_TARGET+set}" = xset; then
1976   :
1977 elif test -d ${srcdir}/gcc; then
1978   GCJ_FOR_TARGET='$$r/gcc/gcj -B$$r/gcc/'
1979 elif test "$host" = "$target"; then
1980   GCJ_FOR_TARGET='gcj'
1981 else
1982   GCJ_FOR_TARGET=`echo gcj | sed "${program_transform_name}"`
1983 fi
1984 GCJ_FOR_TARGET=$GCJ_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1985
1986 # Don't use libstdc++-v3's flags to configure/build itself.
1987 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'
1988 raw_libstdcxx_flags='-L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
1989
1990 if test "x${CXX_FOR_TARGET+set}" = xset; then
1991   if test "x${RAW_CXX_FOR_TARGET+set}" != xset; then
1992     RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
1993   fi
1994 elif test -d ${srcdir}/gcc; then
1995   # We add -shared-libgcc to CXX_FOR_TARGET whenever we use xgcc instead
1996   # of g++ for linking C++ or Java, because g++ has -shared-libgcc by
1997   # default whereas gcc does not.
1998   # RAW_CXX_FOR_TARGET is for linking C++ or java; CXX_FOR_TARGET is for
1999   # all other cases.
2000   CXX_FOR_TARGET='$$r/gcc/g++ -B$$r/gcc/ -nostdinc++ '$libstdcxx_flags
2001   RAW_CXX_FOR_TARGET='$$r/gcc/xgcc -shared-libgcc -B$$r/gcc/ -nostdinc++ '$raw_libstdcxx_flags
2002 elif test "$host" = "$target"; then
2003   CXX_FOR_TARGET='$(CXX)'
2004   RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2005 else
2006   CXX_FOR_TARGET=`echo c++ | sed "${program_transform_name}"`
2007   RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
2008 fi
2009 CXX_FOR_TARGET=$CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2010 RAW_CXX_FOR_TARGET=$RAW_CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
2011
2012 qCXX_FOR_TARGET=`echo "$CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2013 qRAW_CXX_FOR_TARGET=`echo "$RAW_CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
2014
2015 # We want to defer the evaluation of `cmd`s and shell variables in
2016 # CXX_FOR_TARGET when recursing in the top-level Makefile, such as for
2017 # bootstrap.  We'll enclose CXX_FOR_TARGET_FOR_RECURSIVE_MAKE in single
2018 # quotes, but we still have to duplicate `$'s so that shell variables
2019 # can be expanded by the nested make as shell variables, not as make
2020 # macros.
2021 qqCXX_FOR_TARGET=`echo "$qCXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2022 qqRAW_CXX_FOR_TARGET=`echo "$qRAW_CXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
2023
2024 # Wrap CC_FOR_TARGET and friends, for certain types of builds.
2025 CC_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${CC_FOR_TARGET}"
2026 GCJ_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GCJ_FOR_TARGET}"
2027 CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qCXX_FOR_TARGET}"
2028 RAW_CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qRAW_CXX_FOR_TARGET}"
2029 CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqCXX_FOR_TARGET}"
2030 RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqRAW_CXX_FOR_TARGET}"
2031
2032 # Makefile fragments.
2033 host_makefile_frag=${srcdir}/${host_makefile_frag}
2034 target_makefile_frag=${srcdir}/${target_makefile_frag}
2035 alphaieee_frag=${srcdir}/${alphaieee_frag}
2036 ospace_frag=${srcdir}/${ospace_frag}
2037 AC_SUBST_FILE(host_makefile_frag)
2038 AC_SUBST_FILE(target_makefile_frag)
2039 AC_SUBST_FILE(alphaieee_frag)
2040 AC_SUBST_FILE(ospace_frag)
2041
2042 # Miscellanea: directories, flags, etc.
2043 AC_SUBST(SET_LIB_PATH)
2044 AC_SUBST(RPATH_ENVVAR)
2045 AC_SUBST(BUILD_PREFIX)
2046 AC_SUBST(BUILD_PREFIX_1)
2047 AC_SUBST(configlinks)
2048 AC_SUBST(gcc_version_trigger)
2049 AC_SUBST(gcc_version)
2050 AC_SUBST(tooldir)
2051 AC_SUBST(build_tooldir)
2052 AC_SUBST(GDB_TK)
2053 AC_SUBST(gxx_include_dir)
2054 AC_SUBST(libstdcxx_incdir)
2055
2056 # Build module lists & subconfigure args.
2057 AC_SUBST(build_configargs)
2058 AC_SUBST(configure_build_modules)
2059 AC_SUBST(all_build_modules)
2060
2061 # Host module lists & subconfigure args.
2062 AC_SUBST(host_configargs)
2063 AC_SUBST(configdirs)
2064
2065 # Target module lists & subconfigure args.
2066 AC_SUBST(target_configargs)
2067 AC_SUBST(target_configdirs)
2068
2069 # Build tools.
2070 AC_SUBST(BISON)
2071 AC_SUBST(CC_FOR_BUILD)
2072 AC_SUBST(LEX)
2073 AC_SUBST(MAKEINFO)
2074 AC_SUBST(YACC)
2075 AC_SUBST(config_shell)
2076
2077 # Host tools.
2078 NCN_STRICT_CHECK_TOOL(AR, ar)
2079 NCN_STRICT_CHECK_TOOL(AS, as)
2080 NCN_STRICT_CHECK_TOOL(DLLTOOL, dlltool)
2081 NCN_STRICT_CHECK_TOOL(LD, ld)
2082 NCN_STRICT_CHECK_TOOL(NM, nm)
2083 NCN_STRICT_CHECK_TOOL(RANLIB, ranlib, :)
2084 NCN_STRICT_CHECK_TOOL(WINDRES, windres)
2085 NCN_STRICT_CHECK_TOOL(OBJCOPY, objcopy)
2086 NCN_STRICT_CHECK_TOOL(OBJDUMP, objdump)
2087 AC_SUBST(CC)
2088 AC_SUBST(CXX)
2089 AC_SUBST(CFLAGS)
2090 AC_SUBST(CFLAGS_FOR_BUILD)
2091 AC_SUBST(CXXFLAGS)
2092 AC_SUBST(DEFAULT_YACC)
2093 AC_SUBST(DEFAULT_LEX)
2094 AC_SUBST(DEFAULT_M4)
2095
2096 # Target tools.
2097 NCN_STRICT_CHECK_TARGET_TOOL(AR_FOR_TARGET, ar)
2098 NCN_STRICT_CHECK_TARGET_TOOL(AS_FOR_TARGET, as)
2099 NCN_STRICT_CHECK_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
2100 NCN_STRICT_CHECK_TARGET_TOOL(LD_FOR_TARGET, ld)
2101 NCN_STRICT_CHECK_TARGET_TOOL(NM_FOR_TARGET, nm)
2102 NCN_STRICT_CHECK_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib, :)
2103 NCN_STRICT_CHECK_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
2104
2105 AC_SUBST(GCC_FOR_TARGET)
2106 AC_SUBST(FLAGS_FOR_TARGET)
2107 AC_SUBST(CC_FOR_TARGET)
2108 AC_SUBST(GCJ_FOR_TARGET)
2109 AC_SUBST(CXX_FOR_TARGET)
2110 AC_SUBST(RAW_CXX_FOR_TARGET)
2111 AC_SUBST(CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2112 AC_SUBST(RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2113
2114 # Fix up target tools.
2115 if test "x${build}" = "x${host}" ; then
2116   # In this case, the newly built tools can and should be used,
2117   # so we override the results of the autoconf tests.
2118   # This should really only happen when the tools are actually being built,
2119   # but that's a further refinement.  The new build scheme, where
2120   # tools are built into a structure paralleling where they're installed,
2121   # should also eliminate all of this cleanly.
2122   AR_FOR_TARGET="\$(USUAL_AR_FOR_TARGET)"
2123   AS_FOR_TARGET="\$(USUAL_AS_FOR_TARGET)"
2124   DLLTOOL_FOR_TARGET="\$(USUAL_DLLTOOL_FOR_TARGET)"
2125   LD_FOR_TARGET="\$(USUAL_LD_FOR_TARGET)"
2126   NM_FOR_TARGET="\$(USUAL_NM_FOR_TARGET)"
2127   RANLIB_FOR_TARGET="\$(USUAL_RANLIB_FOR_TARGET)"
2128   WINDRES_FOR_TARGET="\$(USUAL_WINDRES_FOR_TARGET)"
2129 fi
2130 # Certain tools may need extra flags.
2131 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2132 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2133 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2134
2135 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2136 AC_ARG_ENABLE(maintainer-mode,
2137 [  --enable-maintainer-mode enable make rules and dependencies not useful
2138                           (and sometimes confusing) to the casual installer],
2139       USE_MAINTAINER_MODE=$enableval,
2140       USE_MAINTAINER_MODE=no)
2141 AC_MSG_RESULT($USE_MAINTAINER_MODE)
2142 AC_SUBST(MAINTAINER_MODE_TRUE)
2143 AC_SUBST(MAINTAINER_MODE_FALSE)
2144 if test "$USE_MAINTAINER_MODE" = yes; then
2145   MAINTAINER_MODE_TRUE=
2146   MAINTAINER_MODE_FALSE='#'
2147 else
2148   MAINTAINER_MODE_TRUE='#'
2149   MAINTAINER_MODE_FALSE=
2150 fi
2151 MAINT=$MAINTAINER_MODE_TRUE
2152 AC_SUBST(MAINT)dnl
2153
2154 AC_OUTPUT(Makefile)