configure.in

   1 #   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
   2 #   2000, 2001, 2002, 2003, 2004, 2005, 2006 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  17
  18 ##############################################################################
  19 ### WARNING: this file contains embedded tabs.  Do not run untabify on this file.
  20
  21 sinclude(config/acx.m4)
  22
  23 AC_INIT(move-if-change)
  24 AC_PREREQ(2.13)
  25 AC_CANONICAL_SYSTEM
  26 AC_ARG_PROGRAM
  27
  28 # Get 'install' or 'install-sh' and its variants.
  29 AC_PROG_INSTALL
  30 ACX_PROG_LN
  31 AC_PROG_LN_S
  32
  33 ### we might need to use some other shell than /bin/sh for running subshells
  34 ### If we are on Windows, search for the shell.  This will permit people
  35 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
  36 ### without also having to set CONFIG_SHELL.  This code will work when
  37 ### using bash, which sets OSTYPE.
  38 case "${OSTYPE}" in
  39 *win32*)
  40   if test x${CONFIG_SHELL} = x ; then
  41     if test ! -f /bin/sh ; then
  42       if test x${SHELL} != x && test -f ${SHELL} ; then
  43         CONFIG_SHELL=${SHELL}
  44         export CONFIG_SHELL
  45       else
  46         for prog in sh sh.exe bash bash.exe; do
  47           IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
  48           for dir in $PATH; do
  49             test -z "$dir" && dir=.
  50             if test -f $dir/$prog; then
  51               CONFIG_SHELL=$dir/$prog
  52               export CONFIG_SHELL
  53               break
  54             fi
  55           done
  56           IFS="$save_ifs"
  57           test -n "${CONFIG_SHELL}" && break
  58         done
  59       fi
  60     fi
  61   fi
  62   ;;
  63 esac
  64
  65 config_shell=${CONFIG_SHELL-/bin/sh}
  66
  67 progname=$0
  68 # if PWD already has a value, it is probably wrong.
  69 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
  70
  71 # Export original configure arguments for use by sub-configures.  These
  72 # will be expanded by make, so quote '$'.
  73 tmp="$progname $@"
  74 sed -e 's,\$,$$,g' <<EOF_SED > conftestsed.out
  75 $tmp
  76 EOF_SED
  77 TOPLEVEL_CONFIGURE_ARGUMENTS=`cat conftestsed.out`
  78 rm -f conftestsed.out
  79 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
  80
  81 moveifchange=${srcdir}/move-if-change
  82
  83 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
  84
  85 # We pass INSTALL explicitly to sub-makes.  Make sure that it is not
  86 # a relative path.
  87 if test "$INSTALL" = "${srcdir}/install-sh -c"; then
  88   INSTALL="${srcpwd}/install-sh -c"
  89 fi
  90
  91 # Set srcdir to "." if that's what it is.
  92 # This is important for multilib support.
  93 pwd=`${PWDCMD-pwd}`
  94 if test "${pwd}" = "${srcpwd}" ; then
  95   srcdir=.
  96 fi
  97
  98 topsrcdir=$srcpwd
  99
 100 extra_host_args=
 101
 102 ### To add a new directory to the tree, first choose whether it is a target
 103 ### or a host dependent tool.  Then put it into the appropriate list
 104 ### (library or tools, host or target), doing a dependency sort.
 105
 106 # Subdirs will be configured in the order listed in build_configdirs,
 107 # configdirs, or target_configdirs; see the serialization section below.
 108
 109 # Dependency sorting is only needed when *configuration* must be done in
 110 # a particular order.  In all cases a dependency should be specified in
 111 # the Makefile, whether or not it's implicitly specified here.
 112
 113 # Double entries in build_configdirs, configdirs, or target_configdirs may
 114 # cause circular dependencies and break everything horribly.
 115
 116 # these library is used by various programs built for the build
 117 # environment
 118 #
 119 build_libs="build-libiberty"
 120
 121 # these tools are built for the build environment
 122 build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fixincludes"
 123
 124 # these libraries are used by various programs built for the host environment
 125 #
 126 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp libdecnumber"
 127
 128 # these tools are built for the host environment
 129 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
 130 # know that we are building the simulator.
 131 # binutils, gas and ld appear in that order because it makes sense to run
 132 # "make check" in that particular order.
 133 host_tools="texinfo byacc flex bison binutils gas ld fixincludes 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 gnattools"
 134
 135 # libgcj represents the runtime libraries only used by gcj.
 136 libgcj="target-libffi \
 137         target-zlib \
 138         target-qthreads \
 139         target-libjava"
 140
 141 # these libraries are built for the target environment, and are built after
 142 # the host libraries and the host tools (which may be a cross compiler)
 143 #
 144 target_libraries="target-libiberty \
 145                 target-libgloss \
 146                 target-newlib \
 147                 target-libstdc++-v3 \
 148                 target-libmudflap \
 149                 target-libssp \
 150                 target-libgfortran \
 151                 target-boehm-gc \
 152                 ${libgcj} \
 153                 target-libobjc \
 154                 target-libada \
 155                 target-libgomp"
 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 configdirs=`echo ${host_libs} ${host_tools}`
 174 target_configdirs=`echo ${target_libraries} ${target_tools}`
 175 build_configdirs=`echo ${build_libs} ${build_tools}`
 176
 177 ################################################################################
 178
 179 srcname="gnu development package"
 180
 181 # This gets set non-empty for some net releases of packages.
 182 appdirs=""
 183
 184 # Define is_cross_compiler to save on calls to 'test'.
 185 is_cross_compiler=
 186 if test x"${host}" = x"${target}" ; then
 187   is_cross_compiler=no
 188 else
 189   is_cross_compiler=yes
 190 fi
 191
 192 # Find the build and target subdir names.
 193 GCC_TOPLEV_SUBDIRS
 194
 195 # Skipdirs are removed silently.
 196 skipdirs=
 197 # Noconfigdirs are removed loudly.
 198 noconfigdirs=""
 199
 200 use_gnu_ld=
 201 # Make sure we don't let GNU ld be added if we didn't want it.
 202 if test x$with_gnu_ld = xno ; then
 203   use_gnu_ld=no
 204   noconfigdirs="$noconfigdirs ld"
 205 fi
 206
 207 use_gnu_as=
 208 # Make sure we don't let GNU as be added if we didn't want it.
 209 if test x$with_gnu_as = xno ; then
 210   use_gnu_as=no
 211   noconfigdirs="$noconfigdirs gas"
 212 fi
 213
 214 # some tools are so dependent upon X11 that if we're not building with X,
 215 # it's not even worth trying to configure, much less build, that tool.
 216
 217 case ${with_x} in
 218   yes | "") ;; # the default value for this tree is that X11 is available
 219   no)
 220     skipdirs="${skipdirs} tk itcl libgui"
 221     # We won't be able to build gdbtk without X.
 222     enable_gdbtk=no
 223     ;;
 224   *)  echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
 225 esac
 226
 227 # Some tools are only suitable for building in a "native" situation.
 228 # Remove these if host!=target.
 229 native_only="autoconf automake libtool fileutils find gawk gettext gzip hello indent m4 rcs recode sed shellutils tar textutils uudecode wdiff target-groff guile perl time ash bash bzip2 prms gnuserv target-gperf"
 230
 231 # Similarly, some are only suitable for cross toolchains.
 232 # Remove these if host=target.
 233 cross_only="target-libgloss target-newlib target-opcodes"
 234
 235 case $is_cross_compiler in
 236   no) skipdirs="${skipdirs} ${cross_only}" ;;
 237   yes) skipdirs="${skipdirs} ${native_only}" ;;
 238 esac
 239
 240 # If both --with-headers and --with-libs are specified, default to
 241 # --without-newlib.
 242 if test x"${with_headers}" != x && test x"${with_headers}" != xno \
 243    && test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
 244   if test x"${with_newlib}" = x ; then
 245     with_newlib=no
 246   fi
 247 fi
 248
 249 # Recognize --with-newlib/--without-newlib.
 250 case ${with_newlib} in
 251   no) skipdirs="${skipdirs} target-newlib" ;;
 252   yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
 253 esac
 254
 255 # Configure extra directories which are host specific
 256
 257 case "${host}" in
 258   *-cygwin*)
 259     configdirs="$configdirs libtermcap" ;;
 260 esac
 261
 262 # A target can indicate whether a language isn't supported for some reason.
 263 # Only spaces may be used in this macro; not newlines or tabs.
 264 unsupported_languages=
 265
 266 # Remove more programs from consideration, based on the host or
 267 # target this usually means that a port of the program doesn't
 268 # exist yet.
 269
 270 case "${host}" in
 271   hppa*64*-*-*)
 272     noconfigdirs="$noconfigdirs byacc"
 273     ;;
 274   i[[3456789]]86-*-vsta)
 275     noconfigdirs="$noconfigdirs tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl gnuserv gettext"
 276     ;;
 277   i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
 278     noconfigdirs="$noconfigdirs tcl tk expect dejagnu send-pr uudecode guile itcl gnuserv libffi"
 279     ;;
 280   i[[3456789]]86-*-mingw32*)
 281     # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl gnuserv"
 282     noconfigdirs="$noconfigdirs expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool newlib"
 283     ;;
 284   i[[3456789]]86-*-beos*)
 285     noconfigdirs="$noconfigdirs tk itcl libgui gdb"
 286     ;;
 287   *-*-cygwin*)
 288     noconfigdirs="$noconfigdirs autoconf automake send-pr rcs guile perl"
 289     ;;
 290   *-*-netbsd*)
 291     noconfigdirs="$noconfigdirs rcs"
 292     ;;
 293   ppc*-*-pe)
 294     noconfigdirs="$noconfigdirs patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl gnuserv"
 295     ;;
 296   powerpc-*-beos*)
 297     noconfigdirs="$noconfigdirs tk itcl libgui gdb dejagnu readline"
 298     ;;
 299 esac
 300
 301
 302 AC_ARG_ENABLE(libada,
 303 [  --enable-libada        Builds libada directory],
 304 ENABLE_LIBADA=$enableval,
 305 ENABLE_LIBADA=yes)
 306 if test "${ENABLE_LIBADA}" != "yes" ; then
 307   noconfigdirs="$noconfigdirs gnattools"
 308 fi
 309
 310 AC_ARG_ENABLE(libssp,
 311 [  --enable-libssp        Builds libssp directory],
 312 ENABLE_LIBSSP=$enableval,
 313 ENABLE_LIBSSP=yes)
 314
 315 # Save it here so that, even in case of --enable-libgcj, if the Java
 316 # front-end isn't enabled, we still get libgcj disabled.
 317 libgcj_saved=$libgcj
 318 case $enable_libgcj in
 319 yes)
 320   # If we reset it here, it won't get added to noconfigdirs in the
 321   # target-specific build rules, so it will be forcibly enabled
 322   # (unless the Java language itself isn't enabled).
 323   libgcj=
 324   ;;
 325 no)
 326   # Make sure we get it printed in the list of not supported target libs.
 327   noconfigdirs="$noconfigdirs ${libgcj}"
 328   ;;
 329 esac
 330
 331
 332 # Disable libmudflap on some systems.
 333 if test x$enable_libmudflap = x ; then
 334     case "${target}" in
 335     *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
 336         # Enable libmudflap by default in GNU and friends.
 337         ;;
 338     *-*-freebsd*)
 339         # Enable libmudflap by default in FreeBSD.
 340         ;;
 341     *)
 342         # Disable it by default everywhere else.
 343         noconfigdirs="$noconfigdirs target-libmudflap"
 344         ;;
 345     esac
 346 fi
 347
 348 # Disable libgomp on non POSIX hosted systems.
 349 if test x$enable_libgomp = x ; then
 350     # Enable libgomp by default on hosted POSIX systems.
 351     case "${target}" in
 352     *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
 353         ;;
 354     *-*-netbsd* | *-*-freebsd* | *-*-openbsd*)
 355         ;;
 356     *-*-solaris2* | *-*-sysv4* | *-*-irix6* | *-*-osf* | *-*-hpux11*)
 357         ;;
 358     *-*-darwin* | *-*-aix*)
 359         ;;
 360     *)
 361         noconfigdirs="$noconfigdirs target-libgomp"
 362         ;;
 363     esac
 364 fi
 365
 366
 367 case "${target}" in
 368   *-*-chorusos)
 369     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 370     ;;
 371   powerpc-*-darwin* | i[[3456789]]86-*-darwin*)
 372     noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
 373     noconfigdirs="$noconfigdirs sim target-rda"
 374     ;;
 375   *-*-darwin*)
 376     noconfigdirs="$noconfigdirs ld gas gdb gprof"
 377     noconfigdirs="$noconfigdirs sim target-rda"
 378     noconfigdirs="$noconfigdirs ${libgcj}"
 379     ;;
 380   *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
 381     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 382     ;;
 383   *-*-freebsd*)
 384     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 385     if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
 386         && test -f /usr/local/include/gmp.h; then
 387       with_gmp=/usr/local
 388     fi
 389
 390     # Skip some stuff that's unsupported on some FreeBSD configurations.
 391     case "${target}" in
 392       i*86-*-*) ;;
 393       alpha*-*-*) ;;
 394       *)
 395         noconfigdirs="$noconfigdirs ${libgcj}"
 396         ;;
 397     esac
 398     ;;
 399   *-*-kaos*)
 400     # Remove unsupported stuff on all kaOS configurations.
 401     skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-librx"
 402     skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
 403     skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
 404     noconfigdirs="$noconfigdirs target-libgloss"
 405     ;;
 406   *-*-netbsd*)
 407     # Skip some stuff on all NetBSD configurations.
 408     noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
 409
 410     # Skip some stuff that's unsupported on some NetBSD configurations.
 411     case "${target}" in
 412       i*86-*-netbsdelf*) ;;
 413       arm*-*-netbsdelf*) ;;
 414       *)
 415         noconfigdirs="$noconfigdirs ${libgcj}"
 416         ;;
 417     esac
 418     ;;
 419   *-*-netware*)
 420     noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap"
 421     ;;
 422   *-*-rtems*)
 423     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 424     ;;
 425     # The tpf target doesn't support gdb yet.
 426   *-*-tpf*)
 427     noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty ${libgcj} target-libmudflap gdb tcl tk libgui itcl"
 428     ;;
 429   *-*-uclinux*)
 430     noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
 431     ;;
 432   *-*-vxworks*)
 433     noconfigdirs="$noconfigdirs target-newlib target-libgloss target-libiberty target-libstdc++-v3 ${libgcj}"
 434     ;;
 435   alpha*-dec-osf*)
 436     # ld works, but does not support shared libraries.
 437     # newlib is not 64 bit ready.  I'm not sure about fileutils.
 438     # gas doesn't generate exception information.
 439     noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
 440     ;;
 441   alpha*-*-*vms*)
 442     noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
 443     ;;
 444   alpha*-*-linux*)
 445     # newlib is not 64 bit ready
 446     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 447     ;;
 448   alpha*-*-*)
 449     # newlib is not 64 bit ready
 450     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 451     ;;
 452   am33_2.0-*-linux*)
 453     noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
 454     ;;
 455   sh-*-linux*)
 456     noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
 457     ;;
 458   sh*-*-pe|mips*-*-pe|*arm-wince-pe)
 459     noconfigdirs="$noconfigdirs ${libgcj}"
 460     noconfigdirs="$noconfigdirs target-examples"
 461     noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
 462     noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
 463     noconfigdirs="$noconfigdirs expect dejagnu"
 464     # the C++ libraries don't build on top of CE's C libraries
 465     noconfigdirs="$noconfigdirs target-libstdc++-v3"
 466     noconfigdirs="$noconfigdirs target-newlib"
 467     case "${host}" in
 468       *-*-cygwin*) ;; # keep gdb and readline
 469       *) noconfigdirs="$noconfigdirs gdb readline"
 470          ;;
 471     esac
 472     ;;
 473   arc-*-*)
 474     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 475     ;;
 476   arm-semi-aof )
 477     ;;
 478   arm-*-coff | strongarm-*-coff | xscale-*-coff)
 479     noconfigdirs="$noconfigdirs ${libgcj}"
 480     ;;
 481   arm-*-elf* | strongarm-*-elf* | xscale-*-elf* | arm*-*-eabi* )
 482     noconfigdirs="$noconfigdirs target-libffi target-qthreads"
 483     ;;
 484   arm*-*-linux-gnueabi)
 485     noconfigdirs="$noconfigdirs target-libffi target-qthreads"
 486     noconfigdirs="$noconfigdirs target-libjava target-libobjc"
 487     ;;
 488   arm*-*-symbianelf*)
 489     noconfigdirs="$noconfigdirs ${libgcj} target-libiberty"
 490     ;;
 491   arm-*-pe*)
 492     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 493     ;;
 494   thumb-*-coff)
 495     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 496     ;;
 497   thumb-*-elf)
 498     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 499     ;;
 500   thumb-*-pe)
 501     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 502     ;;
 503   arm-*-riscix*)
 504     noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
 505     ;;
 506   avr-*-*)
 507     noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
 508     ;;
 509   bfin-*-*)
 510     noconfigdirs="$noconfigdirs gdb"
 511     if test x${is_cross_compiler} != xno ; then
 512       target_configdirs="${target_configdirs} target-bsp target-cygmon"
 513     fi
 514     ;;
 515   c4x-*-* | tic4x-*-*)
 516     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
 517     ;;
 518   c54x*-*-* | tic54x-*-*)
 519     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
 520     ;;
 521   cris-*-* | crisv32-*-*)
 522     unsupported_languages="$unsupported_languages java"
 523     case "${target}" in
 524       *-*-aout)
 525         unsupported_languages="$unsupported_languages fortran"
 526         noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
 527       *-*-elf)
 528         unsupported_languages="$unsupported_languages fortran"
 529         noconfigdirs="$noconfigdirs target-boehm-gc";;
 530       *-*-linux*)
 531         noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
 532       *)
 533         unsupported_languages="$unsupported_languages fortran"
 534         noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss";;
 535     esac
 536     ;;
 537   crx-*-*)
 538     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-mudflap ${libgcj}"
 539     ;;
 540   d10v-*-*)
 541     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
 542     ;;
 543   d30v-*-*)
 544     noconfigdirs="$noconfigdirs ${libgcj} gdb"
 545     ;;
 546   fr30-*-elf*)
 547     noconfigdirs="$noconfigdirs ${libgcj} gdb"
 548     ;;
 549   frv-*-*)
 550     noconfigdirs="$noconfigdirs ${libgcj}"
 551     ;;
 552   h8300*-*-*)
 553     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 554     ;;
 555   h8500-*-*)
 556     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
 557     ;;
 558   hppa1.1-*-osf* | hppa1.1-*-bsd* )
 559     ;;
 560   hppa*64*-*-linux* | parisc*64*-*-linux*)
 561     # In this case, it's because the hppa64-linux target is for
 562     # the kernel only at this point and has no libc, and thus no
 563     # headers, crt*.o, etc., all of which are needed by these.
 564     noconfigdirs="$noconfigdirs target-zlib"
 565     ;;
 566   parisc*-*-linux* | hppa*-*-linux*)
 567     ;;
 568   hppa*-*-*elf* | \
 569   hppa*-*-lites* | \
 570   hppa*-*-openbsd* | \
 571   hppa*64*-*-*)
 572     noconfigdirs="$noconfigdirs ${libgcj}"
 573     ;;
 574   hppa*-hp-hpux11*)
 575     noconfigdirs="$noconfigdirs ld shellutils"
 576     ;;
 577   hppa*-*-*)
 578     # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
 579     # build on HP-UX 10.20.
 580     noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
 581     ;;
 582   i960-*-*)
 583     noconfigdirs="$noconfigdirs ${libgcj} gdb"
 584     ;;
 585   ia64*-*-elf*)
 586     # No gdb support yet.
 587     noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
 588     ;;
 589   ia64*-**-hpux*)
 590     # No gdb or ld support yet.
 591     noconfigdirs="$noconfigdirs ${libgcj} readline mmalloc libgui itcl gdb ld"
 592     ;;
 593   i370-*-opened*)
 594     ;;
 595   i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
 596     noconfigdirs="$noconfigdirs ${libgcj}"
 597     ;;
 598   i[[3456789]]86-*-linux*)
 599     # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
 600     # not build java stuff by default.
 601     case "${target}" in
 602       *-*-*libc1*)
 603         noconfigdirs="$noconfigdirs ${libgcj}";;
 604     esac
 605
 606     # This section makes it possible to build newlib natively on linux.
 607     # If we are using a cross compiler then don't configure newlib.
 608     if test x${is_cross_compiler} != xno ; then
 609       noconfigdirs="$noconfigdirs target-newlib"
 610     fi
 611     noconfigdirs="$noconfigdirs target-libgloss"
 612     # If we are not using a cross compiler, do configure newlib.
 613     # Note however, that newlib will only be configured in this situation
 614     # if the --with-newlib option has been given, because otherwise
 615     # 'target-newlib' will appear in skipdirs.
 616     ;;
 617   i[[3456789]]86-*-mingw32*)
 618     target_configdirs="$target_configdirs target-winsup"
 619     noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
 620     ;;
 621   *-*-cygwin*)
 622     target_configdirs="$target_configdirs target-libtermcap target-winsup"
 623     noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
 624     # always build newlib if winsup directory is present.
 625     if test -d "$srcdir/winsup/cygwin"; then
 626       skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
 627     elif test -d "$srcdir/newlib"; then
 628       echo "Warning: winsup/cygwin is missing so newlib can't be built."
 629     fi
 630     ;;
 631   i[[3456789]]86-moss-msdos | i[[3456789]]86-*-moss* | \
 632   i[[3456789]]86-*-uwin* | i[[3456789]]86-*-interix* )
 633     ;;
 634   i[[3456789]]86-*-pe)
 635     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
 636     ;;
 637   i[[3456789]]86-*-sco3.2v5*)
 638     # The linker does not yet know about weak symbols in COFF,
 639     # and is not configured to handle mixed ELF and COFF.
 640     noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
 641     ;;
 642   i[[3456789]]86-*-sco*)
 643     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 644     ;;
 645   i[[3456789]]86-*-solaris2*)
 646     noconfigdirs="$noconfigdirs target-libgloss"
 647     ;;
 648   i[[3456789]]86-*-sysv4*)
 649     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 650     ;;
 651   i[[3456789]]86-*-beos*)
 652     noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
 653     ;;
 654   i[[3456789]]86-*-rdos*)
 655     noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
 656     ;;
 657   m32r-*-*)
 658     noconfigdirs="$noconfigdirs ${libgcj}"
 659     ;;
 660   m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
 661     noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
 662     ;;
 663   m68k-*-elf*)
 664     noconfigdirs="$noconfigdirs ${libgcj}"
 665     ;;
 666   m68k-*-coff*)
 667     noconfigdirs="$noconfigdirs ${libgcj}"
 668     ;;
 669   mcore-*-pe*)
 670   # The EPOC C++ environment does not support exceptions or rtti,
 671   # and so building libstdc++-v3 tends not to always work.
 672     noconfigdirs="$noconfigdirs target-libstdc++-v3"
 673     ;;
 674   mmix-*-*)
 675     noconfigdirs="$noconfigdirs target-libffi target-boehm-gc gdb libgloss"
 676     unsupported_languages="$unsupported_languages fortran java"
 677     ;;
 678   mn10200-*-*)
 679     noconfigdirs="$noconfigdirs ${libgcj}"
 680     ;;
 681   mn10300-*-*)
 682     noconfigdirs="$noconfigdirs ${libgcj}"
 683     ;;
 684   mt-*-*)
 685     noconfigdirs="$noconfigdirs sim"
 686     ;;
 687   powerpc-*-aix*)
 688     # copied from rs6000-*-* entry
 689     noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp ${libgcj}"
 690     ;;
 691   powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
 692     target_configdirs="$target_configdirs target-winsup"
 693     noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl gnuserv ${libgcj}"
 694     # always build newlib.
 695     skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
 696     ;;
 697     # This is temporary until we can link against shared libraries
 698   powerpcle-*-solaris*)
 699     noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl gnuserv ${libgcj}"
 700     ;;
 701   powerpc-*-beos*)
 702     noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
 703     ;;
 704   powerpc-*-eabi)
 705     noconfigdirs="$noconfigdirs ${libgcj}"
 706     ;;
 707   powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
 708     ;;
 709   rs6000-*-lynxos*)
 710     noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
 711     ;;
 712   rs6000-*-aix*)
 713     noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp ${libgcj}"
 714     ;;
 715   rs6000-*-*)
 716     noconfigdirs="$noconfigdirs gprof ${libgcj}"
 717     ;;
 718   m68k-apollo-*)
 719     noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
 720     ;;
 721   mips*-*-irix5*)
 722     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 723     ;;
 724   mips*-*-irix6*)
 725     # Linking libjava exceeds command-line length limits on at least
 726     # IRIX 6.2, but not on IRIX 6.5.
 727     # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
 728     # <oldham@codesourcery.com>
 729     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 730     ;;
 731   mips*-*-bsd*)
 732     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 733     ;;
 734   mips64*-*-linux*)
 735     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 736     ;;
 737   mips*-*-linux*)
 738     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 739     ;;
 740   mips*-*-*)
 741     noconfigdirs="$noconfigdirs gprof ${libgcj}"
 742     ;;
 743   romp-*-*)
 744     noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
 745     ;;
 746   sh-*-* | sh64-*-*)
 747     case "${host}" in
 748       i[[3456789]]86-*-vsta) ;; # don't add gprof back in
 749       i[[3456789]]86-*-go32*) ;; # don't add gprof back in
 750       i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
 751       *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
 752     esac
 753     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 754     ;;
 755   sparc-*-elf*)
 756     noconfigdirs="$noconfigdirs ${libgcj}"
 757     ;;
 758   sparc64-*-elf*)
 759     noconfigdirs="$noconfigdirs ${libgcj}"
 760     ;;
 761   sparclite-*-*)
 762     noconfigdirs="$noconfigdirs ${libgcj}"
 763     ;;
 764   sparc-*-sunos4*)
 765     noconfigdirs="$noconfigdirs ${libgcj}"
 766     if test x${is_cross_compiler} != xno ; then
 767            noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
 768     else
 769            use_gnu_ld=no
 770     fi
 771     ;;
 772   sparc-*-solaris2.[[0-6]] | sparc-*-solaris2.[[0-6]].*)
 773     noconfigdirs="$noconfigdirs ${libgcj}"
 774     ;;
 775   sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
 776     ;;
 777   spu-*-*)
 778     skipdirs="target-libssp"
 779     ;;
 780   v810-*-*)
 781     noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
 782     ;;
 783   v850-*-*)
 784     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 785     ;;
 786   v850e-*-*)
 787     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 788     ;;
 789   v850ea-*-*)
 790     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 791     ;;
 792   vax-*-vms)
 793     noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
 794     ;;
 795   vax-*-*)
 796     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 797     ;;
 798   xtensa-*-*)
 799     noconfigdirs="$noconfigdirs ${libgcj}"
 800     ;;
 801   ip2k-*-*)
 802     noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
 803     ;;
 804   *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
 805     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 806     ;;
 807   *-*-lynxos*)
 808     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 809     ;;
 810   *-*-*)
 811     noconfigdirs="$noconfigdirs ${libgcj}"
 812     ;;
 813 esac
 814
 815 # If we aren't building newlib, then don't build libgloss, since libgloss
 816 # depends upon some newlib header files.
 817 case "${noconfigdirs}" in
 818   *target-libgloss*) ;;
 819   *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
 820 esac
 821
 822 # Work in distributions that contain no compiler tools, like Autoconf.
 823 tentative_cc=""
 824 host_makefile_frag=/dev/null
 825 if test -d ${srcdir}/config ; then
 826 case "${host}" in
 827   m68k-hp-hpux*)
 828     # Avoid "too much defining" errors from HPUX compiler.
 829     tentative_cc="cc -Wp,-H256000"
 830     # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
 831     # If it's HP/UX ar, this should be harmless.
 832     RANLIB="ar ts"
 833     ;;
 834   m68k-apollo-sysv*)
 835     tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
 836     ;;
 837   m68k-apollo-bsd*)
 838     #None of the Apollo compilers can compile gas or binutils.  The preprocessor
 839     # chokes on bfd, the compiler won't let you assign integers to enums, and
 840     # other problems.  Defining CC to gcc is a questionable way to say "don't use
 841     # the apollo compiler" (the preferred version of GCC could be called cc,
 842     # or whatever), but I'm not sure leaving CC as cc is any better...
 843     #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
 844     # Used to have BISON=yacc.
 845     tentative_cc=gcc
 846     ;;
 847   m88k-dg-dgux*)
 848     tentative_cc="gcc -Wall -ansi -D__using_DGUX"
 849     ;;
 850   m88k-harris-cxux*)
 851     # Under CX/UX, we want to tell the compiler to use ANSI mode.
 852     tentative_cc="cc -Xa"
 853     host_makefile_frag="config/mh-cxux"
 854     ;;
 855   m88k-motorola-sysv*)
 856     ;;
 857   mips*-dec-ultrix*)
 858     tentative_cc="cc -Wf,-XNg1000"
 859     host_makefile_frag="config/mh-decstation"
 860     ;;
 861   mips*-nec-sysv4*)
 862     # The C compiler on NEC MIPS SVR4 needs bigger tables.
 863     tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
 864     host_makefile_frag="config/mh-necv4"
 865     ;;
 866   mips*-sgi-irix4*)
 867     # Tell compiler to use K&R C.  We can't compile under the SGI Ansi
 868     # environment.  Also bump switch table size so that cp-parse will
 869     # compile.  Bump string length limit so linker builds.
 870     tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
 871     ;;
 872   mips*-*-sysv4*)
 873     host_makefile_frag="config/mh-sysv4"
 874     ;;
 875   mips*-*-sysv*)
 876     # This is for a MIPS running RISC/os 4.52C.
 877
 878     # This is needed for GDB, but needs to be in the top-level make because
 879     # if a library is compiled with the bsd headers and gets linked with the
 880     # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
 881     # a different size).
 882     # ptrace(2) apparently has problems in the BSD environment.  No workaround is
 883     # known except to select the sysv environment.  Could we use /proc instead?
 884     # These "sysv environments" and "bsd environments" often end up being a pain.
 885     #
 886     # This is not part of CFLAGS because perhaps not all C compilers have this
 887     # option.
 888     tentative_cc="cc -systype sysv"
 889     ;;
 890   i370-ibm-opened*)
 891     tentative_cc="c89"
 892     ;;
 893   i[[3456789]]86-*-sysv5*)
 894     host_makefile_frag="config/mh-sysv5"
 895     ;;
 896   i[[3456789]]86-*-dgux*)
 897     tentative_cc="gcc -Wall -ansi -D__using_DGUX"
 898     host_makefile_frag="config/mh-dgux386"
 899     ;;
 900   i[[3456789]]86-ncr-sysv4.3*)
 901     # The MetaWare compiler will generate a copyright message unless you
 902     # turn it off by adding the -Hnocopyr flag.
 903     tentative_cc="cc -Hnocopyr"
 904     ;;
 905   i[[3456789]]86-ncr-sysv4*)
 906     # for an NCR 3000 (i486/SVR4) system.
 907     # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
 908     # This compiler not only emits obnoxious copyright messages every time
 909     # you run it, but it chokes and dies on a whole bunch of GNU source
 910     # files.  Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
 911     tentative_cc="/usr/ccs/ATT/cc"
 912     host_makefile_frag="config/mh-ncr3000"
 913     ;;
 914   i[[3456789]]86-*-sco3.2v5*)
 915     ;;
 916   i[[3456789]]86-*-sco*)
 917     # The native C compiler botches some simple uses of const.  Unfortunately,
 918     # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
 919     tentative_cc="cc -Dconst="
 920     host_makefile_frag="config/mh-sco"
 921     ;;
 922   i[[3456789]]86-*-udk*)
 923     host_makefile_frag="config/mh-sysv5"
 924     ;;
 925   i[[3456789]]86-*-solaris2*)
 926     host_makefile_frag="config/mh-sysv4"
 927     ;;
 928   i[[3456789]]86-*-msdosdjgpp*)
 929     host_makefile_frag="config/mh-djgpp"
 930     ;;
 931   *-cygwin*)
 932     host_makefile_frag="config/mh-cygwin"
 933     ;;
 934   *-mingw32*)
 935     ;;
 936   *-interix*)
 937     host_makefile_frag="config/mh-interix"
 938     ;;
 939   vax-*-ultrix2*)
 940     # The old BSD pcc isn't up to compiling parts of gdb so use gcc
 941     tentative_cc=gcc
 942     ;;
 943   *-*-solaris2*)
 944     host_makefile_frag="config/mh-solaris"
 945     ;;
 946   m68k-sun-sunos*)
 947     # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
 948     # without overflowing the jump tables (-J says to use a 32 bit table)
 949     tentative_cc="cc -J"
 950     ;;
 951   *-hp-hpux*)
 952     tentative_cc="cc -Wp,-H256000"
 953     ;;
 954   *-*-hiux*)
 955     tentative_cc="cc -Wp,-H256000"
 956     ;;
 957   rs6000-*-lynxos*)
 958     # /bin/cc is less than useful for our purposes.  Always use GCC
 959     tentative_cc="/usr/cygnus/progressive/bin/gcc"
 960     host_makefile_frag="config/mh-lynxrs6k"
 961     ;;
 962   powerpc-*-darwin*)
 963     host_makefile_frag="config/mh-ppc-darwin"
 964     ;;
 965   powerpc-*-aix*)
 966     host_makefile_frag="config/mh-ppc-aix"
 967     ;;
 968   rs6000-*-aix*)
 969     host_makefile_frag="config/mh-ppc-aix"
 970     ;;
 971   *-*-lynxos*)
 972     # /bin/cc is less than useful for our purposes.  Always use GCC
 973     tentative_cc="/bin/gcc"
 974     ;;
 975   *-*-sysv4*)
 976     host_makefile_frag="config/mh-sysv4"
 977     ;;
 978   # This is placed last to prevent interfering with the cases above.
 979   i[[3456789]]86-*-*)
 980     # Build the stage2 and stage3 compilers with -fomit-frame-pointer.
 981     host_makefile_frag="config/mh-x86omitfp"
 982     ;;
 983 esac
 984 fi
 985
 986 # If we aren't going to be using gcc, see if we can extract a definition
 987 # of CC from the fragment.
 988 # Actually, use the 'pre-extracted' version above.
 989 if test -z "${CC}" && test "${build}" = "${host}" ; then
 990   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
 991   found=
 992   for dir in $PATH; do
 993     test -z "$dir" && dir=.
 994     if test -f $dir/gcc; then
 995       found=yes
 996       break
 997     fi
 998   done
 999   IFS="$save_ifs"
1000   if test -z "${found}" && test -n "${tentative_cc}" ; then
1001     CC=$tentative_cc
1002   fi
1003 fi
1004
1005 if test "${build}" != "${host}" ; then
1006   # If we are doing a Canadian Cross, in which the host and build systems
1007   # are not the same, we set reasonable default values for the tools.
1008
1009   CC=${CC-${host_alias}-gcc}
1010   CFLAGS=${CFLAGS-"-g -O2"}
1011   CXX=${CXX-${host_alias}-c++}
1012   CXXFLAGS=${CXXFLAGS-"-g -O2"}
1013   CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1014
1015 else
1016   # Set reasonable default values for some tools even if not Canadian.
1017   # Of course, these are different reasonable default values, originally
1018   # specified directly in the Makefile.
1019   # We don't export, so that autoconf can do its job.
1020   # Note that all these settings are above the fragment inclusion point
1021   # in Makefile.in, so can still be overridden by fragments.
1022   # This is all going to change when we autoconfiscate...
1023
1024   CC_FOR_BUILD="\$(CC)"
1025   AC_PROG_CC
1026
1027   # We must set the default linker to the linker used by gcc for the correct
1028   # operation of libtool.  If LD is not defined and we are using gcc, try to
1029   # set the LD default to the ld used by gcc.
1030   if test -z "$LD"; then
1031     if test "$GCC" = yes; then
1032       case $build in
1033       *-*-mingw*)
1034         gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1035       *)
1036         gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1037       esac
1038       case $gcc_prog_ld in
1039       # Accept absolute paths.
1040       [[\\/]* | [A-Za-z]:[\\/]*)]
1041         LD="$gcc_prog_ld" ;;
1042       esac
1043     fi
1044   fi
1045
1046   CXX=${CXX-"c++"}
1047   CFLAGS=${CFLAGS-"-g"}
1048   CXXFLAGS=${CXXFLAGS-"-g -O2"}
1049 fi
1050
1051 ACX_PROG_GNAT
1052 ACX_PROG_CMP_IGNORE_INITIAL
1053
1054 # Check for GMP and MPFR
1055 gmplibs="-lmpfr"
1056 gmpinc=
1057 have_gmp=yes
1058 # Specify a location for mpfr
1059 # check for this first so it ends up on the link line before gmp.
1060 AC_ARG_WITH(mpfr-dir, [  --with-mpfr-dir=PATH    This option has been REMOVED],
1061   AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
1062 Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH]))
1063
1064 AC_ARG_WITH(mpfr, [  --with-mpfr=PATH        Specify prefix directory for installed MPFR package
1065                           Equivalent to --with-mpfr-include=PATH/include
1066                           plus --with-mpfr-lib=PATH/lib])
1067 AC_ARG_WITH(mpfr_include, [  --with-mpfr-include=PATH
1068                           Specify directory for installed MPFR include files])
1069 AC_ARG_WITH(mpfr_lib, [  --with-mpfr-lib=PATH    Specify the directory for the installed MPFR library])
1070
1071 if test "x$with_mpfr" != x; then
1072   gmplibs="-L$with_mpfr/lib $gmplibs"
1073   gmpinc="-I$with_mpfr/include"
1074 fi
1075 if test "x$with_mpfr_include" != x; then
1076   gmpinc="-I$with_mpfr_include"
1077 fi
1078 if test "x$with_mpfr_lib" != x; then
1079   gmplibs="-L$with_mpfr_lib $gmplibs"
1080 fi
1081
1082 # Specify a location for gmp
1083 AC_ARG_WITH(gmp-dir, [  --with-gmp-dir=PATH     This option has been REMOVED],
1084   AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
1085 Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH]))
1086
1087 gmplibs="$gmplibs -lgmp"
1088
1089 AC_ARG_WITH(gmp, [  --with-gmp=PATH         Specify prefix directory for the installed GMP package
1090                           Equivalent to --with-gmp-include=PATH/include
1091                           plus --with-gmp-lib=PATH/lib])
1092 AC_ARG_WITH(gmp_include, [  --with-gmp-include=PATH Specify directory for installed GMP include files])
1093 AC_ARG_WITH(gmp_lib, [  --with-gmp-lib=PATH     Specify the directory for the installed GMP library])
1094
1095
1096 if test "x$with_gmp" != x; then
1097   gmplibs="-L$with_gmp/lib $gmplibs"
1098   gmpinc="-I$with_gmp/include $gmpinc"
1099 fi
1100 if test "x$with_gmp_include" != x; then
1101   gmpinc="-I$with_gmp_include $gmpinc"
1102 fi
1103 if test "x$with_gmp_lib" != x; then
1104   gmplibs="-L$with_gmp_lib $gmplibs"
1105 fi
1106
1107 saved_CFLAGS="$CFLAGS"
1108 CFLAGS="$CFLAGS $gmpinc"
1109 # Check GMP actually works
1110 AC_MSG_CHECKING([for correct version of gmp.h])
1111 AC_TRY_COMPILE([#include "gmp.h"],[
1112 #if __GNU_MP_VERSION < 4 || (__GNU_MP_VERSION == 4 && __GNU_MP_VERSION_MINOR < 1)
1113 choke me
1114 #endif
1115 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
1116
1117 if test x"$have_gmp" = xyes; then
1118   saved_LIBS="$LIBS"
1119   LIBS="$LIBS $gmplibs"
1120   dnl MPFR 2.2.0 is acceptable but buggy, MPFR 2.2.1 is better.
1121   AC_MSG_CHECKING([for correct version of mpfr.h])
1122   AC_TRY_LINK([#include <gmp.h>
1123 #include <mpfr.h>],[
1124 #if MPFR_VERSION < MPFR_VERSION_NUM(2,2,0)
1125   choke me
1126 #endif
1127   mpfr_t n; mpfr_init(n);
1128 ], [AC_TRY_LINK([#include <gmp.h>
1129 #include <mpfr.h>],[
1130 #if MPFR_VERSION < MPFR_VERSION_NUM(2,2,1)
1131   choke me
1132 #endif
1133   mpfr_t n; mpfr_init(n);
1134 ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
1135    [AC_MSG_RESULT([no]); have_gmp=no])
1136   LIBS="$saved_LIBS"
1137 fi
1138 CFLAGS="$saved_CFLAGS"
1139
1140 if test -d ${srcdir}/gcc && test x$have_gmp != xyes; then
1141   AC_MSG_ERROR([Building GCC requires GMP 4.1+ and MPFR 2.2.1+.
1142 Try the --with-gmp and/or --with-mpfr options to specify their locations.
1143 Copies of these libraries' source code can be found at their respective
1144 hosting sites as well as at ftp://gcc.gnu.org/pub/gcc/infrastructure/.
1145 See also http://gcc.gnu.org/install/prerequisites.html for additional info.
1146 If you obtained GMP and/or MPFR from a vendor distribution package, make
1147 sure that you have installed both the libraries and the header files.
1148 They may be located in separate packages.])
1149 fi
1150
1151 # Flags needed for both GMP and/or MPFR
1152 AC_SUBST(gmplibs)
1153 AC_SUBST(gmpinc)
1154
1155 # By default, C is the only stage 1 language.
1156 stage1_languages=,c,
1157
1158 # Figure out what language subdirectories are present.
1159 # Look if the user specified --enable-languages="..."; if not, use
1160 # the environment variable $LANGUAGES if defined. $LANGUAGES might
1161 # go away some day.
1162 # NB:  embedded tabs in this IF block -- do not untabify
1163 if test -d ${srcdir}/gcc; then
1164   if test x"${enable_languages+set}" != xset; then
1165     if test x"${LANGUAGES+set}" = xset; then
1166       enable_languages="${LANGUAGES}"
1167         echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
1168     else
1169       enable_languages=all
1170     fi
1171   else
1172     if test x"${enable_languages}" = x ||
1173        test x"${enable_languages}" = xyes;
1174        then
1175       echo configure.in: --enable-languages needs at least one language argument 1>&2
1176       exit 1
1177     fi
1178   fi
1179   enable_languages=`echo "${enable_languages}" | sed -e 's/[[   ,]][[   ,]]*/,/g' -e 's/,$//'`
1180
1181   # 'f95' is the old name for the 'fortran' language. We issue a warning
1182   # and make the substitution.
1183   case ,${enable_languages}, in
1184     *,f95,*)
1185       echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
1186       enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
1187       ;;
1188   esac
1189
1190   # First scan to see if an enabled language requires some other language.
1191   # We assume that a given config-lang.in will list all the language
1192   # front ends it requires, even if some are required indirectly.
1193   for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1194     case ${lang_frag} in
1195       ..) ;;
1196       # The odd quoting in the next line works around
1197       # an apparent bug in bash 1.12 on linux.
1198       ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1199       *)
1200         # From the config-lang.in, get $language, $lang_requires
1201         language=
1202         lang_requires=
1203         . ${lang_frag}
1204         for other in ${lang_requires} ; do
1205           case ,${enable_languages}, in
1206             *,$other,*) ;;
1207             *,all,*) ;;
1208             *,$language,*)
1209               echo " \`$other' language required by \`$language'; enabling" 1>&2
1210               enable_languages="${enable_languages},${other}"
1211               ;;
1212           esac
1213         done
1214         ;;
1215     esac
1216   done
1217
1218   new_enable_languages=,c,
1219   missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
1220   potential_languages=,c,
1221
1222   for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
1223     case ${lang_frag} in
1224       ..) ;;
1225       # The odd quoting in the next line works around
1226       # an apparent bug in bash 1.12 on linux.
1227       ${srcdir}/gcc/[[*]]/config-lang.in) ;;
1228       *)
1229         # From the config-lang.in, get $language, $target_libs,
1230         # $lang_dirs, $boot_language, and $build_by_default
1231         language=
1232         target_libs=
1233         lang_dirs=
1234         subdir_requires=
1235         boot_language=no
1236         build_by_default=yes
1237         . ${lang_frag}
1238         if test x${language} = x; then
1239           echo "${lang_frag} doesn't set \$language." 1>&2
1240           exit 1
1241         fi
1242
1243         case ,${enable_languages}, in
1244           *,${language},*)
1245             # Language was explicitly selected; include it.
1246             add_this_lang=yes
1247             ;;
1248           *,all,*)
1249             # 'all' was selected, select it if it is a default language
1250             add_this_lang=${build_by_default}
1251             ;;
1252           *)
1253             add_this_lang=no
1254             ;;
1255         esac
1256
1257         # Disable languages that need other directories if these aren't available.
1258         for i in $subdir_requires; do
1259           test -f "$srcdir/gcc/$i/config-lang.in" && continue
1260           case ,${enable_languages}, in
1261             *,${language},*)
1262               # Specifically requested language; tell them.
1263               AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
1264               ;;
1265             *)
1266               # Silently disable.
1267               add_this_lang=unsupported
1268               ;;
1269           esac
1270         done
1271
1272         # Disable Ada if no preexisting GNAT is available.
1273         case ,${enable_languages},:${language}:${have_gnat} in
1274           *,${language},*:ada:no)
1275             # Specifically requested language; tell them.
1276             AC_MSG_ERROR([GNAT is required to build $language])
1277             ;;
1278           *:ada:no)
1279             # Silently disable.
1280             add_this_lang=unsupported
1281             ;;
1282         esac
1283
1284         # Disable a language that is unsupported by the target.
1285         case " $unsupported_languages " in
1286           *" $language "*)
1287             add_this_lang=unsupported
1288             ;;
1289         esac
1290
1291         case $add_this_lang in
1292           unsupported)
1293             # Remove language-dependent dirs.
1294             eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1295             ;;
1296           no)
1297             # Remove language-dependent dirs; still show language as supported.
1298             eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
1299             potential_languages="${potential_languages}${language},"
1300             ;;
1301           yes)
1302             new_enable_languages="${new_enable_languages}${language},"
1303             potential_languages="${potential_languages}${language},"
1304             missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
1305             case ${boot_language} in
1306               yes)
1307                 # Add to (comma-separated) list of stage 1 languages.
1308                 stage1_languages="${stage1_languages}${language},"
1309                 ;;
1310             esac
1311             ;;
1312         esac
1313         ;;
1314     esac
1315   done
1316
1317   AC_ARG_ENABLE(stage1-languages,
1318 [  --enable-stage1-languages[=all]   choose additional languages to build during
1319                           stage1.  Mostly useful for compiler development.],
1320   [case ,${enable_stage1_languages}, in
1321     ,no,|,,)
1322       # Set it to something that will have no effect in the loop below
1323       enable_stage1_languages=c ;;
1324     ,yes,)
1325       enable_stage1_languages=`echo $new_enable_languages | \
1326         sed -e "s/^,//" -e "s/,$//" ` ;;
1327     *,all,*)
1328       enable_stage1_languages=`echo ,$enable_stage1_languages, | \
1329         sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
1330   esac
1331
1332   # Add "good" languages from enable_stage1_languages to stage1_languages,
1333   # while "bad" languages go in missing_languages.  Leave no duplicates.
1334   for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
1335     case $potential_languages in
1336       *,$i,*)
1337         case $stage1_languages in
1338           *,$i,*) ;;
1339           *) stage1_languages="$stage1_languages$i," ;;
1340         esac ;;
1341       *)
1342         case $missing_languages in
1343           *,$i,*) ;;
1344           *) missing_languages="$missing_languages$i," ;;
1345         esac ;;
1346      esac
1347   done])
1348
1349   # Remove leading/trailing commas that were added for simplicity
1350   potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
1351   missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
1352   stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
1353   new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
1354
1355   if test "x$missing_languages" != x; then
1356     AC_MSG_ERROR([
1357 The following requested languages could not be built: ${missing_languages}
1358 Supported languages are: ${potential_languages}])
1359   fi
1360   if test "x$new_enable_languages" != "x$enable_languages"; then
1361     echo The following languages will be built: ${new_enable_languages}
1362     enable_languages="$new_enable_languages"
1363   fi
1364
1365   AC_SUBST(stage1_languages)
1366   ac_configure_args=`echo " $ac_configure_args" | sed -e 's/ --enable-languages=[[^ ]]*//' -e 's/$/ --enable-languages='"$enable_languages"/ `
1367 fi
1368
1369 # Handle --disable-<component> generically.
1370 for dir in $configdirs $build_configdirs $target_configdirs ; do
1371   dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
1372   if eval test x\${enable_${dirname}} "=" xno ; then
1373     noconfigdirs="$noconfigdirs $dir"
1374   fi
1375 done
1376
1377 # Check for Boehm's garbage collector
1378 AC_ARG_ENABLE(objc-gc,
1379 [  --enable-objc-gc       enable the use of Boehm's garbage collector with
1380                           the GNU Objective-C runtime.],
1381 [case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
1382   *,objc,*:*:yes:*target-boehm-gc*)
1383     AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
1384     ;;
1385 esac])
1386
1387 # Make sure we only build Boehm's garbage collector if required.
1388 case ,${enable_languages},:${enable_objc_gc} in
1389   *,objc,*:yes)
1390     # Keep target-boehm-gc if requested for Objective-C.
1391     ;;
1392   *)
1393     # Otherwise remove target-boehm-gc depending on target-libjava.
1394     if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
1395       noconfigdirs="$noconfigdirs target-boehm-gc"
1396     fi
1397     ;;
1398 esac
1399
1400 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
1401 # $build_configdirs and $target_configdirs.
1402 # If we have the source for $noconfigdirs entries, add them to $notsupp.
1403
1404 notsupp=""
1405 for dir in . $skipdirs $noconfigdirs ; do
1406   dirname=`echo $dir | sed -e s/target-//g -e s/build-//g`
1407   if test $dir != .  && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1408     configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
1409     if test -r $srcdir/$dirname/configure ; then
1410       if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1411         true
1412       else
1413         notsupp="$notsupp $dir"
1414       fi
1415     fi
1416   fi
1417   if test $dir != .  && echo " ${build_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1418     build_configdirs=`echo " ${build_configdirs} " | sed -e "s/ ${dir} / /"`
1419     if test -r $srcdir/$dirname/configure ; then
1420       if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1421         true
1422       else
1423         notsupp="$notsupp $dir"
1424       fi
1425     fi
1426   fi
1427   if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1428     target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
1429     if test -r $srcdir/$dirname/configure ; then
1430       if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1431         true
1432       else
1433         notsupp="$notsupp $dir"
1434       fi
1435     fi
1436   fi
1437 done
1438
1439 # Sometimes the tools are distributed with libiberty but with no other
1440 # libraries.  In that case, we don't want to build target-libiberty.
1441 if test -n "${target_configdirs}" ; then
1442   others=
1443   for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
1444     if test "$i" != "libiberty" ; then
1445       if test -r $srcdir/$i/configure ; then
1446         others=yes;
1447         break;
1448       fi
1449     fi
1450   done
1451   if test -z "${others}" ; then
1452     target_configdirs=
1453   fi
1454 fi
1455
1456 # Quietly strip out all directories which aren't configurable in this tree.
1457 # This relies on all configurable subdirectories being autoconfiscated, which
1458 # is now the case.
1459 build_configdirs_all="$build_configdirs"
1460 build_configdirs=
1461 for i in ${build_configdirs_all} ; do
1462   j=`echo $i | sed -e s/build-//g`
1463   if test -f ${srcdir}/$j/configure ; then
1464     build_configdirs="${build_configdirs} $i"
1465   fi
1466 done
1467
1468 configdirs_all="$configdirs"
1469 configdirs=
1470 for i in ${configdirs_all} ; do
1471   if test -f ${srcdir}/$i/configure ; then
1472     configdirs="${configdirs} $i"
1473   fi
1474 done
1475
1476 target_configdirs_all="$target_configdirs"
1477 target_configdirs=
1478 for i in ${target_configdirs_all} ; do
1479   j=`echo $i | sed -e s/target-//g`
1480   if test -f ${srcdir}/$j/configure ; then
1481     target_configdirs="${target_configdirs} $i"
1482   fi
1483 done
1484
1485 # Produce a warning message for the subdirs we can't configure.
1486 # This isn't especially interesting in the Cygnus tree, but in the individual
1487 # FSF releases, it's important to let people know when their machine isn't
1488 # supported by the one or two programs in a package.
1489
1490 if test -n "${notsupp}" && test -z "${norecursion}" ; then
1491   # If $appdirs is non-empty, at least one of those directories must still
1492   # be configured, or we error out.  (E.g., if the gas release supports a
1493   # specified target in some subdirs but not the gas subdir, we shouldn't
1494   # pretend that all is well.)
1495   if test -n "$appdirs" ; then
1496     for dir in $appdirs ; do
1497       if test -r $dir/Makefile.in ; then
1498         if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
1499           appdirs=""
1500           break
1501         fi
1502         if echo " ${target_configdirs} " | grep " target-${dir} " >/dev/null 2>&1; then
1503           appdirs=""
1504           break
1505         fi
1506       fi
1507     done
1508     if test -n "$appdirs" ; then
1509       echo "*** This configuration is not supported by this package." 1>&2
1510       exit 1
1511     fi
1512   fi
1513   # Okay, some application will build, or we don't care to check.  Still
1514   # notify of subdirs not getting built.
1515   echo "*** This configuration is not supported in the following subdirectories:" 1>&2
1516   echo "    ${notsupp}" 1>&2
1517   echo "    (Any other directories should still work fine.)" 1>&2
1518 fi
1519
1520 case "$host" in
1521   *msdosdjgpp*)
1522     enable_gdbtk=no ;;
1523 esac
1524
1525 copy_dirs=
1526
1527 AC_ARG_WITH([build-sysroot],
1528   [  --with-build-sysroot=sysroot
1529                           use sysroot as the system root during the build],
1530   [if test x"$withval" != x ; then
1531      SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
1532    fi],
1533   [SYSROOT_CFLAGS_FOR_TARGET=])
1534 AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
1535
1536 # Handle --with-headers=XXX.  If the value is not "yes", the contents of
1537 # the named directory are copied to $(tooldir)/sys-include.
1538 if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
1539   if test x${is_cross_compiler} = xno ; then
1540     echo 1>&2 '***' --with-headers is only supported when cross compiling
1541     exit 1
1542   fi
1543   if test x"${with_headers}" != xyes ; then
1544     case "${exec_prefixoption}" in
1545     "") x=${prefix} ;;
1546     *) x=${exec_prefix} ;;
1547     esac
1548     copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
1549   fi
1550 fi
1551
1552 # Handle --with-libs=XXX.  If the value is not "yes", the contents of
1553 # the name directories are copied to $(tooldir)/lib.  Multiple directories
1554 # are permitted.
1555 if test x"${with_libs}" != x && test x"${with_libs}" != xno ; then
1556   if test x${is_cross_compiler} = xno ; then
1557     echo 1>&2 '***' --with-libs is only supported when cross compiling
1558     exit 1
1559   fi
1560   if test x"${with_libs}" != xyes ; then
1561     # Copy the libraries in reverse order, so that files in the first named
1562     # library override files in subsequent libraries.
1563     case "${exec_prefixoption}" in
1564     "") x=${prefix} ;;
1565     *) x=${exec_prefix} ;;
1566     esac
1567     for l in ${with_libs}; do
1568       copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
1569     done
1570   fi
1571 fi
1572
1573 # Set with_gnu_as and with_gnu_ld as appropriate.
1574 #
1575 # This is done by determining whether or not the appropriate directory
1576 # is available, and by checking whether or not specific configurations
1577 # have requested that this magic not happen.
1578 #
1579 # The command line options always override the explicit settings in
1580 # configure.in, and the settings in configure.in override this magic.
1581 #
1582 # If the default for a toolchain is to use GNU as and ld, and you don't
1583 # want to do that, then you should use the --without-gnu-as and
1584 # --without-gnu-ld options for the configure script.
1585
1586 if test x${use_gnu_as} = x &&
1587    echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1588   with_gnu_as=yes
1589   extra_host_args="$extra_host_args --with-gnu-as"
1590 fi
1591
1592 if test x${use_gnu_ld} = x &&
1593    echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1594   with_gnu_ld=yes
1595   extra_host_args="$extra_host_args --with-gnu-ld"
1596 fi
1597
1598 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1599 # can detect this case.
1600
1601 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1602   with_newlib=yes
1603   extra_host_args="$extra_host_args --with-newlib"
1604 fi
1605
1606 # Handle ${copy_dirs}
1607 set fnord ${copy_dirs}
1608 shift
1609 while test $# != 0 ; do
1610   if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
1611     :
1612   else
1613     echo Copying $1 to $2
1614
1615     # Use the install script to create the directory and all required
1616     # parent directories.
1617     if test -d $2 ; then
1618       :
1619     else
1620       echo >config.temp
1621       ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
1622     fi
1623
1624     # Copy the directory, assuming we have tar.
1625     # FIXME: Should we use B in the second tar?  Not all systems support it.
1626     (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
1627
1628     # It is the responsibility of the user to correctly adjust all
1629     # symlinks.  If somebody can figure out how to handle them correctly
1630     # here, feel free to add the code.
1631
1632     echo $1 > $2/COPIED
1633   fi
1634   shift; shift
1635 done
1636
1637 # Determine a target-dependent exec_prefix that the installed
1638 # gcc will search in.  Keep this list sorted by triplet, with
1639 # the *-*-osname triplets last.
1640 md_exec_prefix=
1641 case "${target}" in
1642   alpha*-*-*vms*)
1643     md_exec_prefix=/gnu/lib/gcc-lib
1644     ;;
1645   i[34567]86-pc-msdosdjgpp*)
1646     md_exec_prefix=/dev/env/DJDIR/bin
1647     ;;
1648   i[34567]86-*-sco3.2v5*)
1649     if test $with_gnu_as = yes; then
1650       md_exec_prefix=/usr/gnu/bin
1651     else
1652       md_exec_prefix=/usr/ccs/bin/elf
1653     fi
1654     ;;
1655
1656   mn10300-*-* | \
1657   powerpc-*-chorusos* | \
1658   powerpc*-*-eabi* | \
1659   powerpc*-*-sysv* | \
1660   powerpc*-*-kaos* | \
1661   s390x-ibm-tpf*)
1662     md_exec_prefix=/usr/ccs/bin
1663     ;;
1664   sparc64-*-elf*)
1665     ;;
1666   v850*-*-*)
1667     md_exec_prefix=/usr/ccs/bin
1668     ;;
1669   xtensa-*-elf*)
1670     ;;
1671
1672   *-*-beos* | \
1673   *-*-elf* | \
1674   *-*-hpux* | \
1675   *-*-netware* | \
1676   *-*-nto-qnx* | \
1677   *-*-rtems* | \
1678   *-*-solaris2* | \
1679   *-*-sysv[45]* | \
1680   *-*-vxworks* | \
1681   *-wrs-windiss)
1682     md_exec_prefix=/usr/ccs/bin
1683     ;;
1684 esac
1685
1686 extra_arflags_for_target=
1687 extra_nmflags_for_target=
1688 extra_ranlibflags_for_target=
1689 target_makefile_frag=/dev/null
1690 case "${target}" in
1691   spu-*-*)
1692     target_makefile_frag="config/mt-spu"
1693     ;;
1694   *-*-netware*)
1695     target_makefile_frag="config/mt-netware"
1696     ;;
1697   *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
1698     target_makefile_frag="config/mt-gnu"
1699     ;;
1700   *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
1701     # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1702     # commands to handle both 32-bit and 64-bit objects.  These flags are
1703     # harmless if we're using GNU nm or ar.
1704     extra_arflags_for_target=" -X32_64"
1705     extra_nmflags_for_target=" -B -X32_64"
1706     ;;
1707   *-*-darwin*)
1708     # ranlib from Darwin requires the -c flag to look at common symbols.
1709     extra_ranlibflags_for_target=" -c"
1710     ;;
1711   mips*-*-pe | sh*-*-pe | *arm-wince-pe)
1712     target_makefile_frag="config/mt-wince"
1713     ;;
1714 esac
1715
1716 alphaieee_frag=/dev/null
1717 case $target in
1718   alpha*-*-*)
1719     # This just makes sure to use the -mieee option to build target libs.
1720     # This should probably be set individually by each library.
1721     alphaieee_frag="config/mt-alphaieee"
1722     ;;
1723 esac
1724
1725 # If --enable-target-optspace always use -Os instead of -O2 to build
1726 # the target libraries, similarly if it is not specified, use -Os
1727 # on selected platforms.
1728 ospace_frag=/dev/null
1729 case "${enable_target_optspace}:${target}" in
1730   yes:*)
1731     ospace_frag="config/mt-ospace"
1732     ;;
1733   :d30v-*)
1734     ospace_frag="config/mt-d30v"
1735     ;;
1736   :m32r-* | :d10v-* | :fr30-*)
1737     ospace_frag="config/mt-ospace"
1738     ;;
1739   no:* | :*)
1740     ;;
1741   *)
1742     echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1743     ;;
1744 esac
1745
1746 # Default to using --with-stabs for certain targets.
1747 if test x${with_stabs} = x ; then
1748   case "${target}" in
1749   mips*-*-irix[[56]]*)
1750     ;;
1751   mips*-*-* | alpha*-*-osf*)
1752     with_stabs=yes;
1753     extra_host_args="${extra_host_args} --with-stabs"
1754     ;;
1755   esac
1756 fi
1757
1758 # hpux11 in 64bit mode has libraries in a weird place.  Arrange to find
1759 # them automatically.
1760 case "${host}" in
1761   hppa*64*-*-hpux11*)
1762     extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1763     ;;
1764 esac
1765
1766 # Some systems (e.g., one of the i386-aix systems the gas testers are
1767 # using) don't handle "\$" correctly, so don't use it here.
1768 tooldir='${exec_prefix}'/${target_alias}
1769 build_tooldir=${tooldir}
1770
1771 # Create a .gdbinit file which runs the one in srcdir
1772 # and tells GDB to look there for source files.
1773
1774 if test -r ${srcdir}/.gdbinit ; then
1775   case ${srcdir} in
1776     .) ;;
1777     *) cat > ./.gdbinit <<EOF
1778 # ${NO_EDIT}
1779 dir ${srcdir}
1780 dir .
1781 source ${srcdir}/.gdbinit
1782 EOF
1783     ;;
1784   esac
1785 fi
1786
1787 # Make sure that the compiler is able to generate an executable.  If it
1788 # can't, we are probably in trouble.  We don't care whether we can run the
1789 # executable--we might be using a cross compiler--we only care whether it
1790 # can be created.  At this point the main configure script has set CC.
1791 we_are_ok=no
1792 echo "int main () { return 0; }" > conftest.c
1793 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1794 if test $? = 0 ; then
1795   if test -s conftest || test -s conftest.exe ; then
1796     we_are_ok=yes
1797   fi
1798 fi
1799 case $we_are_ok in
1800   no)
1801     echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1802     echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1803     rm -f conftest*
1804     exit 1
1805     ;;
1806 esac
1807 rm -f conftest*
1808
1809 # The Solaris /usr/ucb/cc compiler does not appear to work.
1810 case "${host}" in
1811   sparc-sun-solaris2*)
1812       CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1813       if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1814           could_use=
1815           test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1816           if test -d /opt/cygnus/bin ; then
1817               if test "$could_use" = "" ; then
1818                   could_use="/opt/cygnus/bin"
1819               else
1820                   could_use="$could_use or /opt/cygnus/bin"
1821               fi
1822           fi
1823         if test "$could_use" = "" ; then
1824             echo "Warning: compilation may fail because you're using"
1825             echo "/usr/ucb/cc.  You should change your PATH or CC "
1826             echo "variable and rerun configure."
1827         else
1828             echo "Warning: compilation may fail because you're using"
1829             echo "/usr/ucb/cc, when you should use the C compiler from"
1830             echo "$could_use.  You should change your"
1831             echo "PATH or CC variable and rerun configure."
1832         fi
1833       fi
1834   ;;
1835 esac
1836
1837 case "${host}" in
1838   *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1839   *-*-darwin* | *-*-rhapsody* ) RPATH_ENVVAR=DYLD_LIBRARY_PATH ;;
1840   *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1841 esac
1842
1843 # Record target_configdirs and the configure arguments for target and
1844 # build configuration in Makefile.
1845 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1846 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
1847
1848 # Determine whether gdb needs tk/tcl or not.
1849 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1850 # and in that case we want gdb to be built without tk.  Ugh!
1851 # In fact I believe gdb is the *only* package directly dependent on tk,
1852 # so we should be able to put the 'maybe's in unconditionally and
1853 # leave out the maybe dependencies when enable_gdbtk is false.  I'm not
1854 # 100% sure that that's safe though.
1855
1856 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-libgui"
1857 case "$enable_gdbtk" in
1858   no)
1859     GDB_TK="" ;;
1860   yes)
1861     GDB_TK="${gdb_tk}" ;;
1862   *)
1863     # Only add the dependency on gdbtk when GDBtk is part of the gdb
1864     # distro.  Eventually someone will fix this and move Insight, nee
1865     # gdbtk to a separate directory.
1866     if test -d ${srcdir}/gdb/gdbtk ; then
1867       GDB_TK="${gdb_tk}"
1868     else
1869       GDB_TK=""
1870     fi
1871     ;;
1872 esac
1873 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
1874 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
1875
1876 # Strip out unwanted targets.
1877
1878 # While at that, we remove Makefiles if we were started for recursive
1879 # configuration, so that the top-level Makefile reconfigures them,
1880 # like we used to do when configure itself was recursive.
1881
1882 # Loop over modules.  $extrasub must be used with care, limiting as
1883 # much as possible the usage of range addresses.  That's because autoconf
1884 # splits the sed script to overcome limits in the number of commands,
1885 # and relying on carefully-timed sed passes may turn out to be very hard
1886 # to maintain later.  In this particular case, you just have to be careful
1887 # not to nest @if/@endif pairs, because configure will not warn you at all.
1888
1889 AC_ARG_ENABLE([bootstrap],
1890 [  --enable-bootstrap           Enable bootstrapping [yes if native build]],,
1891 enable_bootstrap=default)
1892
1893 # Issue errors and warnings for invalid/strange bootstrap combinations.
1894 case "$configdirs" in
1895   *gcc*) have_compiler=yes ;;
1896   *) have_compiler=no ;;
1897 esac
1898
1899 case "$have_compiler:$host:$target:$enable_bootstrap" in
1900   *:*:*:no) ;;
1901
1902   # Default behavior.  Enable bootstrap if we have a compiler
1903   # and we are in a native configuration.
1904   yes:$build:$build:default)
1905     enable_bootstrap=yes ;;
1906
1907   *:*:*:default)
1908     enable_bootstrap=no ;;
1909
1910   # We have a compiler and we are in a native configuration, bootstrap is ok
1911   yes:$build:$build:yes)
1912     ;;
1913
1914   # Other configurations, but we have a compiler.  Assume the user knows
1915   # what he's doing.
1916   yes:*:*:yes)
1917     AC_MSG_WARN([trying to bootstrap a cross compiler])
1918     ;;
1919
1920   # No compiler: if they passed --enable-bootstrap explicitly, fail
1921   no:*:*:yes)
1922     AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
1923
1924   # Fail if wrong command line
1925   *)
1926     AC_MSG_ERROR([invalid option for --enable-bootstrap])
1927     ;;
1928 esac
1929
1930 # Adjust the toplevel makefile according to whether bootstrap was selected.
1931 case "$enable_bootstrap" in
1932   yes)
1933     bootstrap_suffix=bootstrap ;;
1934   no)
1935     bootstrap_suffix=no-bootstrap ;;
1936 esac
1937
1938 for module in ${build_configdirs} ; do
1939   if test -z "${no_recursion}" \
1940      && test -f ${build_subdir}/${module}/Makefile; then
1941     echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
1942     rm -f ${build_subdir}/${module}/Makefile
1943   fi
1944   extrasub="$extrasub
1945 /^@if build-$module\$/d
1946 /^@endif build-$module\$/d
1947 /^@if build-$module-$bootstrap_suffix\$/d
1948 /^@endif build-$module-$bootstrap_suffix\$/d"
1949 done
1950 for module in ${configdirs} ; do
1951   if test -z "${no_recursion}"; then
1952     for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
1953       if test -f ${file}; then
1954         echo 1>&2 "*** removing ${file} to force reconfigure"
1955         rm -f ${file}
1956       fi
1957     done
1958   fi
1959   extrasub="$extrasub
1960 /^@if $module\$/d
1961 /^@endif $module\$/d
1962 /^@if $module-$bootstrap_suffix\$/d
1963 /^@endif $module-$bootstrap_suffix\$/d"
1964 done
1965 for module in ${target_configdirs} ; do
1966   if test -z "${no_recursion}" \
1967      && test -f ${target_subdir}/${module}/Makefile; then
1968     echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
1969     rm -f ${target_subdir}/${module}/Makefile
1970   fi
1971   extrasub="$extrasub
1972 /^@if target-$module\$/d
1973 /^@endif target-$module\$/d
1974 /^@if target-$module-$bootstrap_suffix\$/d
1975 /^@endif target-$module-$bootstrap_suffix\$/d"
1976 done
1977
1978 extrasub="$extrasub
1979 /^@if /,/^@endif /d"
1980
1981 # Create the serialization dependencies.  This uses a temporary file.
1982
1983 AC_ARG_ENABLE([serial-configure],
1984 [  --enable-serial-[{host,target,build}-]configure
1985                           Force sequential configuration of
1986                           sub-packages for the host, target or build
1987                           machine, or all sub-packages])
1988
1989 case ${enable_serial_configure} in
1990   yes)
1991     enable_serial_build_configure=yes
1992     enable_serial_host_configure=yes
1993     enable_serial_target_configure=yes
1994     ;;
1995 esac
1996
1997 # These force 'configure's to be done one at a time, to avoid problems
1998 # with contention over a shared config.cache.
1999 rm -f serdep.tmp
2000 echo '# serdep.tmp' > serdep.tmp
2001 olditem=
2002 test "x${enable_serial_build_configure}" = xyes &&
2003 for item in ${build_configdirs} ; do
2004   case ${olditem} in
2005     "") ;;
2006     *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
2007   esac
2008   olditem=${item}
2009 done
2010 olditem=
2011 test "x${enable_serial_host_configure}" = xyes &&
2012 for item in ${configdirs} ; do
2013   case ${olditem} in
2014     "") ;;
2015     *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
2016   esac
2017   olditem=${item}
2018 done
2019 olditem=
2020 test "x${enable_serial_target_configure}" = xyes &&
2021 for item in ${target_configdirs} ; do
2022   case ${olditem} in
2023     "") ;;
2024     *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
2025   esac
2026   olditem=${item}
2027 done
2028 serialization_dependencies=serdep.tmp
2029 AC_SUBST_FILE(serialization_dependencies)
2030
2031 # Base args.  Strip norecursion, cache-file, srcdir, host, build,
2032 # target and nonopt.  These are the ones we might not want to pass
2033 # down to subconfigures.  Also strip program-prefix, program-suffix,
2034 # and program-transform-name, so that we can pass down a consistent
2035 # program-transform-name.  If autoconf has put single quotes around
2036 # any of these arguments (because they contain shell metacharacters)
2037 # then this will fail; in practice this only happens for
2038 # --program-transform-name, so be sure to override --program-transform-name
2039 # at the end of the argument list.
2040 # These will be expanded by make, so quote '$'.
2041 cat <<\EOF_SED > conftestsed
2042 s/ --no[[^ ]]*/ /g
2043 s/ --c[[a-z-]]*[[= ]][[^ ]]*//g
2044 s/ --sr[[a-z-]]*[[= ]][[^ ]]*//g
2045 s/ --ho[[a-z-]]*[[= ]][[^ ]]*//g
2046 s/ --bu[[a-z-]]*[[= ]][[^ ]]*//g
2047 s/ --t[[a-z-]]*[[= ]][[^ ]]*//g
2048 s/ --program-[[pst]][[a-z-]]*[[= ]][[^ ]]*//g
2049 s/ -cache-file[[= ]][[^ ]]*//g
2050 s/ -srcdir[[= ]][[^ ]]*//g
2051 s/ -host[[= ]][[^ ]]*//g
2052 s/ -build[[= ]][[^ ]]*//g
2053 s/ -target[[= ]][[^ ]]*//g
2054 s/ -program-prefix[[= ]][[^ ]]*//g
2055 s/ -program-suffix[[= ]][[^ ]]*//g
2056 s/ -program-transform-name[[= ]][[^ ]]*//g
2057 s/ [[^' -][^ ]*] / /
2058 s/^ *//;s/ *$//
2059 s,\$,$$,g
2060 EOF_SED
2061 sed -f conftestsed <<EOF_SED > conftestsed.out
2062  ${ac_configure_args}
2063 EOF_SED
2064 baseargs=`cat conftestsed.out`
2065 rm -f conftestsed conftestsed.out
2066
2067 # Add in --program-transform-name, after --program-prefix and
2068 # --program-suffix have been applied to it.  Autoconf has already
2069 # doubled dollar signs and backslashes in program_transform_name; we want
2070 # the backslashes un-doubled, and then the entire thing wrapped in single
2071 # quotes, because this will be expanded first by make and then by the shell.
2072 # Also, because we want to override the logic in subdir configure scripts to
2073 # choose program_transform_name, replace any s,x,x, with s,y,y,.
2074 sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
2075 ${program_transform_name}
2076 EOF_SED
2077 gcc_transform_name=`cat conftestsed.out`
2078 rm -f conftestsed.out
2079 baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
2080
2081 # For the build-side libraries, we just need to pretend we're native,
2082 # and not use the same cache file.  Multilibs are neither needed nor
2083 # desired.
2084 build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} --target=${target_alias} ${baseargs}"
2085
2086 # For host modules, accept cache file option, or specification as blank.
2087 case "${cache_file}" in
2088 "") # empty
2089   cache_file_option="" ;;
2090 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
2091   cache_file_option="--cache-file=${cache_file}" ;;
2092 *) # relative path
2093   cache_file_option="--cache-file=../${cache_file}" ;;
2094 esac
2095
2096 # Host dirs don't like to share a cache file either, horribly enough.
2097 # This seems to be due to autoconf 2.5x stupidity.
2098 host_configargs="--cache-file=./config.cache --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
2099
2100 target_configargs=${baseargs}
2101
2102 # Passing a --with-cross-host argument lets the target libraries know
2103 # whether they are being built with a cross-compiler or being built
2104 # native.  However, it would be better to use other mechanisms to make the
2105 # sorts of decisions they want to make on this basis.  Please consider
2106 # this option to be deprecated.  FIXME.
2107 if test x${is_cross_compiler} = xyes ; then
2108   target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
2109 fi
2110
2111 # Default to --enable-multilib.
2112 if test x${enable_multilib} = x ; then
2113   target_configargs="--enable-multilib ${target_configargs}"
2114 fi
2115
2116 # Pass --with-newlib if appropriate.  Note that target_configdirs has
2117 # changed from the earlier setting of with_newlib.
2118 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
2119   target_configargs="--with-newlib ${target_configargs}"
2120 fi
2121
2122 # Different target subdirs use different values of certain variables
2123 # (notably CXX).  Worse, multilibs use *lots* of different values.
2124 # Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
2125 # it doesn't automatically accept command-line overrides of them.
2126 # This means it's not safe for target subdirs to share a cache file,
2127 # which is disgusting, but there you have it.  Hopefully this can be
2128 # fixed in future.  It's still worthwhile to use a cache file for each
2129 # directory.  I think.
2130
2131 # Pass the appropriate --build, --host, --target and --cache-file arguments.
2132 # We need to pass --target, as newer autoconf's requires consistency
2133 # for target_alias and gcc doesn't manage it consistently.
2134 target_configargs="--cache-file=./config.cache --build=${build_alias} --host=${target_alias} --target=${target_alias} ${target_configargs}"
2135
2136 FLAGS_FOR_TARGET=
2137 case " $target_configdirs " in
2138  *" newlib "*)
2139   case " $target_configargs " in
2140   *" --with-newlib "*)
2141    case "$target" in
2142    *-cygwin*)
2143      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' ;;
2144    esac
2145
2146    # If we're not building GCC, don't discard standard headers.
2147    if test -d ${srcdir}/gcc; then
2148      FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
2149
2150      if test "${build}" != "${host}"; then
2151        # On Canadian crosses, CC_FOR_TARGET will have already been set
2152        # by `configure', so we won't have an opportunity to add -Bgcc/
2153        # to it.  This is right: we don't want to search that directory
2154        # for binaries, but we want the header files in there, so add
2155        # them explicitly.
2156        FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/$(HOST_SUBDIR)/gcc/include'
2157
2158        # Someone might think of using the pre-installed headers on
2159        # Canadian crosses, in case the installed compiler is not fully
2160        # compatible with the compiler being built.  In this case, it
2161        # would be better to flag an error than risking having
2162        # incompatible object files being constructed.  We can't
2163        # guarantee that an error will be flagged, but let's hope the
2164        # compiler will do it, when presented with incompatible header
2165        # files.
2166      fi
2167    fi
2168
2169    case "${target}-${is_cross_compiler}" in
2170    i[[3456789]]86-*-linux*-no)
2171       # Here host == target, so we don't need to build gcc,
2172       # so we don't want to discard standard headers.
2173       FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
2174       ;;
2175    *)
2176       # If we're building newlib, use its generic headers last, but search
2177       # for any libc-related directories first (so make it the last -B
2178       # switch).
2179       FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
2180       ;;
2181    esac
2182    ;;
2183   esac
2184   ;;
2185 esac
2186 case "$target" in
2187 *-mingw*)
2188   # Can't be handled as Cygwin above since Mingw does not use newlib.
2189   FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include' ;;
2190 esac
2191
2192 # Allow the user to override the flags for
2193 # our build compiler if desired.
2194 CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
2195
2196 # On Canadian crosses, we'll be searching the right directories for
2197 # the previously-installed cross compiler, so don't bother to add
2198 # flags for directories within the install tree of the compiler
2199 # being built; programs in there won't even run.
2200 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
2201   # Search for pre-installed headers if nothing else fits.
2202   FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
2203 fi
2204
2205 if test "x${use_gnu_ld}" = x &&
2206    echo " ${configdirs} " | grep " ld " > /dev/null ; then
2207   # Arrange for us to find uninstalled linker scripts.
2208   FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(HOST_SUBDIR)/ld'
2209 fi
2210
2211 # Search for other target-specific linker scripts and such.
2212 case "${target}" in
2213   m32c-*-* )
2214     if test -d ${srcdir}/libgloss/m32c; then
2215       # This is for crt0.o
2216       FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/libgloss/m32c'
2217       # This is for r8c.ld
2218       FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/m32c'
2219       # This is for libnosys.a
2220       FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/libgloss/libnosys'
2221     fi
2222     ;;
2223 esac
2224
2225 # Makefile fragments.
2226 for frag in host_makefile_frag target_makefile_frag alphaieee_frag ospace_frag;
2227 do
2228   eval fragval=\$$frag
2229   if test $fragval != /dev/null; then
2230     eval $frag=${srcdir}/$fragval
2231   fi
2232 done
2233 AC_SUBST_FILE(host_makefile_frag)
2234 AC_SUBST_FILE(target_makefile_frag)
2235 AC_SUBST_FILE(alphaieee_frag)
2236 AC_SUBST_FILE(ospace_frag)
2237
2238 # Miscellanea: directories, flags, etc.
2239 AC_SUBST(RPATH_ENVVAR)
2240 AC_SUBST(tooldir)
2241 AC_SUBST(build_tooldir)
2242 AC_SUBST(CONFIGURE_GDB_TK)
2243 AC_SUBST(GDB_TK)
2244 AC_SUBST(INSTALL_GDB_TK)
2245
2246 # Build module lists & subconfigure args.
2247 AC_SUBST(build_configargs)
2248 AC_SUBST(build_configdirs)
2249
2250 # Host module lists & subconfigure args.
2251 AC_SUBST(host_configargs)
2252 AC_SUBST(configdirs)
2253
2254 # Target module lists & subconfigure args.
2255 AC_SUBST(target_configargs)
2256
2257
2258 # Build tools.
2259 AC_SUBST(CC_FOR_BUILD)
2260 AC_SUBST(config_shell)
2261
2262 # Generate default definitions for YACC, M4, LEX and other programs that run
2263 # on the build machine.  These are used if the Makefile can't locate these
2264 # programs in objdir.
2265 MISSING=`cd $ac_aux_dir && ${PWDCMD-pwd}`/missing
2266
2267 AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
2268 case " $build_configdirs " in
2269   *" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
2270   *" byacc "*) YACC='$$r/$(BUILD_SUBDIR)/byacc/byacc' ;;
2271 esac
2272
2273 AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
2274 case " $build_configdirs " in
2275   *" bison "*) BISON='$$r/$(BUILD_SUBDIR)/bison/tests/bison' ;;
2276 esac
2277
2278 AC_CHECK_PROGS([M4], [gm4 gnum4 m4], [$MISSING m4])
2279 case " $build_configdirs " in
2280   *" m4 "*) M4='$$r/$(BUILD_SUBDIR)/m4/m4' ;;
2281 esac
2282
2283 AC_CHECK_PROGS([LEX], [flex lex], [$MISSING flex])
2284 case " $build_configdirs " in
2285   *" flex "*) LEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2286   *" lex "*) LEX='$$r/$(BUILD_SUBDIR)/lex/lex' ;;
2287 esac
2288
2289 AC_CHECK_PROGS([FLEX], [flex], [$MISSING flex])
2290 case " $build_configdirs " in
2291   *" flex "*) FLEX='$$r/$(BUILD_SUBDIR)/flex/flex' ;;
2292 esac
2293
2294 AC_CHECK_PROGS([MAKEINFO], makeinfo, [$MISSING makeinfo])
2295 case " $build_configdirs " in
2296   *" texinfo "*) MAKEINFO='$$r/$(BUILD_SUBDIR)/texinfo/makeinfo/makeinfo' ;;
2297   *)
2298 changequote(,)
2299     # For an installed makeinfo, we require it to be from texinfo 4.4 or
2300     # higher, else we use the "missing" dummy.
2301     if ${MAKEINFO} --version \
2302        | egrep 'texinfo[^0-9]*([1-3][0-9]|4\.[4-9]|[5-9])' >/dev/null 2>&1; then
2303       :
2304     else
2305       MAKEINFO="$MISSING makeinfo"
2306     fi
2307     ;;
2308 changequote([,])
2309 esac
2310
2311 # FIXME: expect and dejagnu may become build tools?
2312
2313 AC_CHECK_PROGS(EXPECT, expect, expect)
2314 case " $configdirs " in
2315   *" expect "*)
2316     test $host = $build && EXPECT='$$r/$(HOST_SUBDIR)/expect/expect'
2317     ;;
2318 esac
2319
2320 AC_CHECK_PROGS(RUNTEST, runtest, runtest)
2321 case " $configdirs " in
2322   *" dejagnu "*)
2323     test $host = $build && RUNTEST='$$s/$(HOST_SUBDIR)/dejagnu/runtest'
2324     ;;
2325 esac
2326
2327
2328 # Host tools.
2329 NCN_STRICT_CHECK_TOOLS(AR, ar)
2330 NCN_STRICT_CHECK_TOOLS(AS, as)
2331 NCN_STRICT_CHECK_TOOLS(DLLTOOL, dlltool)
2332 NCN_STRICT_CHECK_TOOLS(LD, ld)
2333 NCN_STRICT_CHECK_TOOLS(LIPO, lipo)
2334 NCN_STRICT_CHECK_TOOLS(NM, nm)
2335 NCN_STRICT_CHECK_TOOLS(RANLIB, ranlib, :)
2336 NCN_STRICT_CHECK_TOOLS(STRIP, strip, :)
2337 NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
2338 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
2339 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
2340 AC_SUBST(CC)
2341 AC_SUBST(CXX)
2342 AC_SUBST(CFLAGS)
2343 AC_SUBST(CFLAGS_FOR_BUILD)
2344 AC_SUBST(CXXFLAGS)
2345
2346 # Target tools.
2347 AC_ARG_WITH([build-time-tools],
2348   [  --with-build-time-tools=path
2349                           use given path to find target tools during the build],
2350   [case x"$withval" in
2351      x/*) ;;
2352      *)
2353        with_build_time_tools=
2354        AC_MSG_WARN([argument to --with-build-time-tools must be an absolute path])
2355        ;;
2356    esac],
2357   [with_build_time_tools=])
2358
2359 NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
2360 NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
2361 NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
2362 NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
2363 NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
2364
2365 ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
2366 ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
2367 ACX_CHECK_INSTALLED_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
2368 ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
2369 ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
2370 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
2371 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
2372 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib, :)
2373 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
2374 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
2375
2376 RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
2377
2378 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
2379 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
2380 GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
2381 GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
2382                 [gcc/g++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ `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],
2383                 c++)
2384 GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
2385                 [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
2386                 c++)
2387 GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
2388 GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
2389 GCC_TARGET_TOOL(gcj, GCJ_FOR_TARGET, GCJ,
2390                 [gcc/gcj -B$$r/$(HOST_SUBDIR)/gcc/], java)
2391 GCC_TARGET_TOOL(gfortran, GFORTRAN_FOR_TARGET, GFORTRAN,
2392                 [gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
2393 GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
2394 GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
2395 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
2396 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
2397 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
2398 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip])
2399 GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
2400
2401 AC_SUBST(FLAGS_FOR_TARGET)
2402 AC_SUBST(RAW_CXX_FOR_TARGET)
2403
2404 # Certain tools may need extra flags.
2405 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2406 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2407 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2408
2409 # When building target libraries, except in a Canadian cross, we use
2410 # the same toolchain as the compiler we just built.
2411 COMPILER_AS_FOR_TARGET='$(AS_FOR_TARGET)'
2412 COMPILER_LD_FOR_TARGET='$(LD_FOR_TARGET)'
2413 COMPILER_NM_FOR_TARGET='$(NM_FOR_TARGET)'
2414 if test $host = $build; then
2415   case " $configdirs " in
2416     *" gcc "*)
2417       COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as'
2418       COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld'
2419       COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm'${extra_nmflags_for_target}
2420       ;;
2421   esac
2422 fi
2423
2424 AC_SUBST(COMPILER_AS_FOR_TARGET)
2425 AC_SUBST(COMPILER_LD_FOR_TARGET)
2426 AC_SUBST(COMPILER_NM_FOR_TARGET)
2427
2428 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2429 AC_ARG_ENABLE(maintainer-mode,
2430 [  --enable-maintainer-mode enable make rules and dependencies not useful
2431                           (and sometimes confusing) to the casual installer],
2432       USE_MAINTAINER_MODE=$enableval,
2433       USE_MAINTAINER_MODE=no)
2434 AC_MSG_RESULT($USE_MAINTAINER_MODE)
2435 AC_SUBST(MAINTAINER_MODE_TRUE)
2436 AC_SUBST(MAINTAINER_MODE_FALSE)
2437 if test "$USE_MAINTAINER_MODE" = yes; then
2438   MAINTAINER_MODE_TRUE=
2439   MAINTAINER_MODE_FALSE='#'
2440 else
2441   MAINTAINER_MODE_TRUE='#'
2442   MAINTAINER_MODE_FALSE=
2443 fi
2444 MAINT=$MAINTAINER_MODE_TRUE
2445 AC_SUBST(MAINT)dnl
2446
2447 # ---------------------
2448 # GCC bootstrap support
2449 # ---------------------
2450
2451 # Stage specific cflags for build.
2452 stage1_cflags="-g"
2453 case $build in
2454   vax-*-*)
2455     case ${GCC} in
2456       yes) stage1_cflags="-g -Wa,-J" ;;
2457       *) stage1_cflags="-g -J" ;;
2458     esac ;;
2459 esac
2460
2461 # This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
2462 if test "$GCC" = yes; then
2463   saved_CFLAGS="$CFLAGS"
2464
2465   # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
2466   CFLAGS="$CFLAGS -fkeep-inline-functions"
2467   AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
2468   AC_TRY_COMPILE(,,
2469     [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
2470     [AC_MSG_RESULT([no])])
2471
2472   CFLAGS="$saved_CFLAGS"
2473 fi
2474
2475 AC_SUBST(stage1_cflags)
2476
2477 # Enable --enable-checking in stage1 of the compiler.
2478 AC_ARG_ENABLE(stage1-checking,
2479 [  --enable-stage1-checking[=all]   choose additional checking for stage1
2480                           of the compiler.],
2481 [stage1_checking=--enable-checking=${enable_stage1_checking}],
2482 [if test "x$enable_checking" = xno; then
2483   stage1_checking=--enable-checking
2484 else
2485   stage1_checking=--enable-checking${enable_checking+=}$enable_checking
2486 fi])
2487 AC_SUBST(stage1_checking)
2488
2489 # Enable -Werror in bootstrap stage2 and later.
2490 # Change the default to "no" on release branches.
2491 AC_ARG_ENABLE(werror,
2492 [  --enable-werror         enable -Werror in bootstrap stage2 and later], [],
2493 [enable_werror=yes])
2494 case ${enable_werror} in
2495   yes) stage2_werror_flag="--enable-werror-always" ;;
2496   *) stage2_werror_flag="" ;;
2497 esac
2498 AC_SUBST(stage2_werror_flag)
2499
2500 # Flags needed to enable html installing and building
2501 AC_ARG_WITH(datarootdir,
2502 [  --with-datarootdir   Use datarootdir as the data root directory.],
2503 [datarootdir="\${prefix}/${withval}"],
2504 [datarootdir="\${prefix}/share"])
2505
2506 AC_ARG_WITH(docdir,
2507 [  --with-docdir        Install documentation in this directory.],
2508 [docdir="\${prefix}/${withval}"],
2509 [docdir="\${datarootdir}/doc"])
2510
2511 AC_ARG_WITH(htmldir,
2512 [  --with-htmldir       Install html in this directory.],
2513 [htmldir="\${prefix}/${withval}"],
2514 [htmldir="\${docdir}"])
2515
2516 AC_SUBST(datarootdir)
2517 AC_SUBST(docdir)
2518 AC_SUBST(htmldir)
2519
2520 AC_OUTPUT(Makefile)