configure.in

   1 #   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998,
   2 #   1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
   3 #
   4 # This file is free software; you can redistribute it and/or modify it
   5 # under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 2 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful, but
  10 # WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12 # General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program; if not, write to the Free Software
  16 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  17
  18 ##############################################################################
  19 ### WARNING: this file contains embedded tabs.  Do not run untabify on this file.
  20
  21 AC_INIT(move-if-change)
  22 AC_PREREQ(2.13)
  23 AC_CANONICAL_SYSTEM
  24 AC_ARG_PROGRAM
  25
  26 sinclude(config/acx.m4)
  27
  28 ### we might need to use some other shell than /bin/sh for running subshells
  29 ### If we are on Windows, search for the shell.  This will permit people
  30 ### to not have /bin/sh, but to be able to see /SOME/PATH/sh configure
  31 ### without also having to set CONFIG_SHELL.  This code will work when
  32 ### using bash, which sets OSTYPE.
  33 case "${OSTYPE}" in
  34 *win32*)
  35   if test x${CONFIG_SHELL} = x ; then
  36     if test ! -f /bin/sh ; then
  37       if test x${SHELL} != x && test -f ${SHELL} ; then
  38         CONFIG_SHELL=${SHELL}
  39         export CONFIG_SHELL
  40       else
  41         for prog in sh sh.exe bash bash.exe; do
  42           IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
  43           for dir in $PATH; do
  44             test -z "$dir" && dir=.
  45             if test -f $dir/$prog; then
  46               CONFIG_SHELL=$dir/$prog
  47               export CONFIG_SHELL
  48               break
  49             fi
  50           done
  51           IFS="$save_ifs"
  52           test -n "${CONFIG_SHELL}" && break
  53         done
  54       fi
  55     fi
  56   fi
  57   ;;
  58 esac
  59
  60 config_shell=${CONFIG_SHELL-/bin/sh}
  61
  62 progname=$0
  63 # if PWD already has a value, it is probably wrong.
  64 if test -n "$PWD" ; then PWD=`${PWDCMD-pwd}`; fi
  65
  66 # Export original configure arguments for use by sub-configures.
  67 TOPLEVEL_CONFIGURE_ARGUMENTS="$progname $@"
  68 AC_SUBST(TOPLEVEL_CONFIGURE_ARGUMENTS)
  69
  70 moveifchange=${srcdir}/move-if-change
  71
  72 # Set srcdir to "." if that's what it is.
  73 # This is important for multilib support.
  74 pwd=`${PWDCMD-pwd}`
  75 srcpwd=`cd ${srcdir} ; ${PWDCMD-pwd}`
  76 if test "${pwd}" = "${srcpwd}" ; then
  77   srcdir=.
  78 fi
  79
  80 topsrcdir=$srcpwd
  81
  82 extra_host_args=
  83 # Define the trigger file to make sure configure will re-run whenever
  84 # the gcc version number changes.
  85 if test "${with_gcc_version_trigger+set}" = set ; then
  86   gcc_version_trigger="$with_gcc_version_trigger"
  87   gcc_version=`grep version_string ${with_gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'`
  88 else
  89   # If gcc's sources are available, define the trigger file.
  90   if test -f ${topsrcdir}/gcc/version.c ; then
  91     gcc_version_trigger=${topsrcdir}/gcc/version.c
  92     gcc_version=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'`
  93     case "$ac_configure_args" in
  94       *--with-gcc-version-trigger=$gcc_version_trigger* )
  95         ;;
  96       * )
  97         # Add to all subconfigure arguments: build, host, and target.
  98         ac_configure_args="$ac_configure_args --with-gcc-version-trigger=$gcc_version_trigger"
  99         ;;
 100     esac
 101   fi
 102 fi
 103
 104 ### To add a new directory to the tree, first choose whether it is a target
 105 ### or a host dependent tool.  Then put it into the appropriate list
 106 ### (library or tools, host or target), doing a dependency sort.
 107
 108 # Subdirs will be configured in the order listed in build_configdirs,
 109 # configdirs, or target_configdirs; see the serialization section below.
 110
 111 # Dependency sorting is only needed when *configuration* must be done in
 112 # a particular order.  In all cases a dependency should be specified in
 113 # the Makefile, whether or not it's implicitly specified here.
 114
 115 # Double entries in build_configdirs, configdirs, or target_configdirs may
 116 # cause circular dependencies and break everything horribly.
 117
 118 # these libraries are used by various programs built for the host environment
 119 #
 120 host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl tix libgui zlib"
 121
 122 # these tools are built for the host environment
 123 # Note, the powerpc-eabi build depends on sim occurring before gdb in order to
 124 # know that we are building the simulator.
 125 # binutils, gas and ld appear in that order because it makes sense to run
 126 # "make check" in that particular order.
 127 host_tools="texinfo byacc flex bison binutils gas ld gcc sid sim gdb make patch prms send-pr gprof etc expect dejagnu ash bash bzip2 m4 autoconf automake libtool diff rcs fileutils shellutils time textutils wdiff find uudecode hello tar gzip indent recode release sed utils guile perl gawk findutils gettext zip fastjar"
 128
 129 # libgcj represents the runtime libraries only used by gcj.
 130 libgcj="target-libffi \
 131         target-boehm-gc \
 132         target-zlib \
 133         target-qthreads \
 134         target-libjava"
 135
 136 # these libraries are built for the target environment, and are built after
 137 # the host libraries and the host tools (which may be a cross compiler)
 138 #
 139 target_libraries="target-libiberty \
 140                 target-libgloss \
 141                 target-newlib \
 142                 target-libstdc++-v3 \
 143                 target-libf2c \
 144                 ${libgcj} \
 145                 target-libobjc"
 146
 147 # these tools are built using the target libraries, and are intended to
 148 # run only in the target environment
 149 #
 150 # note: any program that *uses* libraries that are in the "target_libraries"
 151 # list belongs in this list.  those programs are also very likely
 152 # candidates for the "native_only" list which follows
 153 #
 154 target_tools="target-examples target-groff target-gperf target-rda"
 155
 156 ################################################################################
 157
 158 ## All tools belong in one of the four categories, and are assigned above
 159 ## We assign ${configdirs} this way to remove all embedded newlines.  This
 160 ## is important because configure will choke if they ever get through.
 161 ## ${configdirs} is directories we build using the host tools.
 162 ## ${target_configdirs} is directories we build using the target tools.
 163 #
 164 configdirs=`echo ${host_libs} ${host_tools}`
 165 target_configdirs=`echo ${target_libraries} ${target_tools}`
 166
 167 # Only make build modules if build != host.
 168 # This should be done more generally, but at the moment it doesn't matter.
 169 if test ${host_alias} != ${build_alias} ; then
 170   # This is the only build module.
 171   build_modules=libiberty
 172 else
 173   build_modules=
 174 fi
 175
 176
 177 ################################################################################
 178
 179 srcname="gnu development package"
 180
 181 # This gets set non-empty for some net releases of packages.
 182 appdirs=""
 183
 184 # Define is_cross_compiler to save on calls to 'test'.
 185 is_cross_compiler=
 186 if test x"${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 subdirs.
 193 GCC_TOPLEV_SUBDIRS
 194
 195 if test ! -d ${target_subdir} ; then
 196   if mkdir ${target_subdir} ; then true
 197   else
 198     echo "'*** could not make ${PWD=`${PWDCMD-pwd}`}/${target_subdir}" 1>&2
 199     exit 1
 200   fi
 201 fi
 202
 203 if test x"${build_alias}" != x"${host}" ; then
 204   if test ! -d ${build_subdir} ; then
 205     if mkdir ${build_subdir} ; then true
 206     else
 207       echo "'*** could not make ${PWD=`${PWDCMD-pwd}`}/${build_subdir}" 1>&2
 208       exit 1
 209     fi
 210   fi
 211 fi
 212
 213 # Skipdirs are removed silently.
 214 skipdirs=
 215 # Noconfigdirs are removed loudly.
 216 noconfigdirs=""
 217
 218 use_gnu_ld=
 219 # Make sure we don't let GNU ld be added if we didn't want it.
 220 if test x$with_gnu_ld = xno ; then
 221   use_gnu_ld=no
 222   noconfigdirs="$noconfigdirs ld"
 223 fi
 224
 225 use_gnu_as=
 226 # Make sure we don't let GNU as be added if we didn't want it.
 227 if test x$with_gnu_as = xno ; then
 228   use_gnu_as=no
 229   noconfigdirs="$noconfigdirs gas"
 230 fi
 231
 232 # some tools are so dependent upon X11 that if we're not building with X,
 233 # it's not even worth trying to configure, much less build, that tool.
 234
 235 case ${with_x} in
 236   yes | "") ;; # the default value for this tree is that X11 is available
 237   no)
 238     skipdirs="${skipdirs} tk tix itcl libgui"
 239     # We won't be able to build gdbtk without X.
 240     enable_gdbtk=no
 241     ;;
 242   *)  echo "*** bad value \"${with_x}\" for -with-x flag; ignored" 1>&2 ;;
 243 esac
 244
 245 # Some tools are only suitable for building in a "native" situation.
 246 # Remove these if host!=target.
 247 native_only="autoconf automake libtool fileutils find gawk gettext gzip hello indent m4 rcs recode sed shellutils tar textutils uudecode wdiff gprof target-groff guile perl time ash bash bzip2 prms gnuserv target-gperf"
 248
 249 # Similarly, some are only suitable for cross toolchains.
 250 # Remove these if host=target.
 251 cross_only="target-libgloss target-newlib target-opcodes"
 252
 253 case $is_cross_compiler in
 254   no) skipdirs="${skipdirs} ${cross_only}" ;;
 255   yes) skipdirs="${skipdirs} ${native_only}" ;;
 256 esac
 257
 258 # If both --with-headers and --with-libs are specified, default to
 259 # --without-newlib.
 260 if test x"${with_headers}" != x && test x"${with_libs}" != x ; then
 261   if test x"${with_newlib}" = x ; then
 262     with_newlib=no
 263   fi
 264 fi
 265
 266 # Recognize --with-newlib/--without-newlib.
 267 case ${with_newlib} in
 268   no) skipdirs="${skipdirs} target-newlib" ;;
 269   yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
 270 esac
 271
 272 # Configure extra directories which are host specific
 273
 274 case "${host}" in
 275   *-cygwin*)
 276     configdirs="$configdirs libtermcap" ;;
 277 esac
 278
 279 # Remove more programs from consideration, based on the host or
 280 # target this usually means that a port of the program doesn't
 281 # exist yet.
 282
 283 case "${host}" in
 284   hppa*64*-*-*)
 285     noconfigdirs="$noconfigdirs byacc"
 286     ;;
 287   i[[3456789]]86-*-vsta)
 288     noconfigdirs="tcl expect dejagnu make texinfo bison patch flex byacc send-pr gprof uudecode dejagnu diff guile perl itcl tix gnuserv gettext"
 289     ;;
 290   i[[3456789]]86-*-go32* | i[[3456789]]86-*-msdosdjgpp*)
 291     noconfigdirs="tcl tk expect dejagnu send-pr uudecode guile itcl tix gnuserv libffi"
 292     ;;
 293   i[[3456789]]86-*-mingw32*)
 294     # noconfigdirs="tcl tk expect dejagnu make texinfo bison patch flex byacc send-pr uudecode dejagnu diff guile perl itcl tix gnuserv"
 295     noconfigdirs="expect dejagnu autoconf automake send-pr rcs guile perl texinfo libtool"
 296     ;;
 297   i[[3456789]]86-*-beos*)
 298     noconfigdirs="$noconfigdirs tk itcl tix libgui gdb"
 299     ;;
 300   *-*-cygwin*)
 301     noconfigdirs="autoconf automake send-pr rcs guile perl"
 302     ;;
 303   *-*-netbsd*)
 304     noconfigdirs="rcs"
 305     ;;
 306   ppc*-*-pe)
 307     noconfigdirs="patch diff make tk tcl expect dejagnu autoconf automake texinfo bison send-pr gprof rcs guile perl itcl tix gnuserv"
 308     ;;
 309   powerpc-*-beos*)
 310     noconfigdirs="$noconfigdirs tk itcl tix libgui gdb dejagnu readline"
 311     ;;
 312   *-*-darwin*)
 313     noconfigdirs="$noconfigdirs tk itcl tix libgui"
 314     ;;
 315 esac
 316
 317 # Save it here so that, even in case of --enable-libgcj, if the Java
 318 # front-end isn't enabled, we still get libgcj disabled.
 319 libgcj_saved=$libgcj
 320 case $enable_libgcj in
 321 yes)
 322   # If we reset it here, it won't get added to noconfigdirs in the
 323   # target-specific build rules, so it will be forcibly enabled
 324   # (unless the Java language itself isn't enabled).
 325   libgcj=
 326   ;;
 327 no)
 328   # Make sure we get it printed in the list of not supported target libs.
 329   noconfigdirs="$noconfigdirs ${libgcj}"
 330   ;;
 331 esac
 332
 333 case "${target}" in
 334   *-*-chorusos)
 335     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 336     ;;
 337   *-*-darwin*)
 338     noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
 339     noconfigdirs="$noconfigdirs target-libobjc ${libgcj}"
 340     ;;
 341   *-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
 342     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 343     ;;
 344   *-*-kaos*)
 345     # Remove unsupported stuff on all kaOS configurations.
 346     skipdirs="target-libiberty ${libgcj} target-libstdc++-v3 target-libf2c target-librx"
 347     skipdirs="$skipdirs target-libobjc target-examples target-groff target-gperf"
 348     skipdirs="$skipdirs zlib fastjar target-libjava target-boehm-gc target-zlib"
 349     noconfigdirs="$noconfigdirs target-libgloss"
 350     ;;
 351   *-*-netbsd*)
 352     # Skip some stuff on all NetBSD configurations.
 353     noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss"
 354
 355     # Skip some stuff that's unsupported on some NetBSD configurations.
 356     case "${target}" in
 357       i*86-*-netbsdelf*) ;;
 358       arm*-*-netbsdelf*) ;;
 359       *)
 360         noconfigdirs="$noconfigdirs ${libgcj}"
 361         ;;
 362     esac
 363     ;;
 364   *-*-netware)
 365     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-newlib target-libiberty target-libgloss ${libgcj}"
 366     ;;
 367   *-*-rtems*)
 368     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 369     case ${target} in
 370         h8300*-*-* | h8500-*-*)
 371           noconfigdirs="$noconfigdirs target-libf2c"
 372           ;;
 373         *) ;;
 374     esac
 375     ;;
 376   *-*-vxworks*)
 377     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 378     ;;
 379   alpha*-dec-osf*)
 380     # ld works, but does not support shared libraries.
 381     # newlib is not 64 bit ready.  I'm not sure about fileutils.
 382     # gas doesn't generate exception information.
 383     noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
 384     ;;
 385   alpha*-*-*vms*)
 386     noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
 387     ;;
 388   alpha*-*-linux*)
 389     # newlib is not 64 bit ready
 390     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 391     ;;
 392   alpha*-*-freebsd*)
 393     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 394     ;;
 395   alpha*-*-*)
 396     # newlib is not 64 bit ready
 397     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 398     ;;
 399   am33_2.0-*-linux*)
 400     noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
 401     ;;
 402   sh-*-linux*)
 403     noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
 404     ;;
 405   sh*-*-pe|mips*-*-pe|*arm-wince-pe)
 406     noconfigdirs="$noconfigdirs ${libgcj}"
 407     noconfigdirs="$noconfigdirs target-examples"
 408     noconfigdirs="$noconfigdirs target-libiberty texinfo send-pr"
 409     noconfigdirs="$noconfigdirs tcl tix tk itcl libgui sim"
 410     noconfigdirs="$noconfigdirs expect dejagnu"
 411     # the C++ libraries don't build on top of CE's C libraries
 412     noconfigdirs="$noconfigdirs target-libstdc++-v3"
 413     noconfigdirs="$noconfigdirs target-newlib"
 414     case "${host}" in
 415       *-*-cygwin*) ;; # keep gdb and readline
 416       *) noconfigdirs="$noconfigdirs gdb readline"
 417          ;;
 418     esac
 419     ;;
 420   arc-*-*)
 421     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 422     ;;
 423   arm-*-coff | strongarm-*-coff | xscale-*-coff)
 424     noconfigdirs="$noconfigdirs ${libgcj}"
 425     ;;
 426   arm-*-elf* | strongarm-*-elf* | xscale-*-elf*)
 427     noconfigdirs="$noconfigdirs target-libffi target-qthreads"
 428     ;;
 429   arm-*-pe*)
 430     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 431     ;;
 432   arm-*-oabi*)
 433     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 434     ;;
 435   thumb-*-coff)
 436     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 437     ;;
 438   thumb-*-elf)
 439     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 440     ;;
 441   thumb-*-oabi)
 442     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 443     ;;
 444   thumb-*-pe)
 445     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 446     ;;
 447   arm-*-riscix*)
 448     noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
 449     ;;
 450   avr-*-*)
 451     noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
 452     ;;
 453   c4x-*-* | tic4x-*-*)
 454     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
 455     ;;
 456   c54x*-*-* | tic54x-*-*)
 457     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} gcc gdb newlib"
 458     ;;
 459   cris-*-*)
 460     noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
 461     ;;
 462   d10v-*-*)
 463     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
 464     ;;
 465   d30v-*-*)
 466     noconfigdirs="$noconfigdirs ${libgcj} gdb"
 467     ;;
 468   fr30-*-elf*)
 469     noconfigdirs="$noconfigdirs ${libgcj} gdb"
 470     ;;
 471   frv-*-*)
 472     noconfigdirs="$noconfigdirs ${libgcj}"
 473     ;;
 474   h8300*-*-*)
 475     noconfigdirs="$noconfigdirs target-libgloss ${libgcj} target-libf2c"
 476     ;;
 477   h8500-*-*)
 478     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj} target-libf2c"
 479     ;;
 480   hppa*64*-*-linux* | parisc*64*-*-linux*)
 481     # In this case, it's because the hppa64-linux target is for
 482     # the kernel only at this point and has no libc, and thus no
 483     # headers, crt*.o, etc., all of which are needed by these.
 484     noconfigdirs="$noconfigdirs target-zlib"
 485     ;;
 486   hppa*-*-*elf* | \
 487   parisc*-*-linux* | hppa*-*-linux* | \
 488   hppa*-*-lites* | \
 489   hppa*-*-openbsd* | \
 490   hppa*64*-*-*)
 491     noconfigdirs="$noconfigdirs ${libgcj}"
 492     # Do configure ld/binutils/gas for this case.
 493     ;;
 494   hppa*-*-*)
 495     # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
 496     # build on HP-UX 10.20.
 497     noconfigdirs="$noconfigdirs ld shellutils ${libgcj}"
 498     ;;
 499   i960-*-*)
 500     noconfigdirs="$noconfigdirs ${libgcj} gdb"
 501     ;;
 502   ia64*-*-elf*)
 503     # No gdb support yet.
 504     noconfigdirs="$noconfigdirs tix readline mmalloc libgui itcl gdb"
 505     ;;
 506   ia64*-**-hpux*)
 507     # No gdb or ld support yet.
 508     noconfigdirs="$noconfigdirs tix readline mmalloc libgui itcl gdb ld"
 509     ;;
 510   i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
 511     noconfigdirs="$noconfigdirs ${libgcj}"
 512     ;;
 513   i[[3456789]]86-*-freebsd*)
 514     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 515     ;;
 516   i[[3456789]]86-*-linux*)
 517     # The GCC port for glibc1 has no MD_FALLBACK_FRAME_STATE_FOR, so let's
 518     # not build java stuff by default.
 519     case "${target}" in
 520       *-*-*libc1*)
 521         noconfigdirs="$noconfigdirs ${libgcj}";;
 522     esac
 523
 524     # This section makes it possible to build newlib natively on linux.
 525     # If we are using a cross compiler then don't configure newlib.
 526     if test x${is_cross_compiler} != xno ; then
 527       noconfigdirs="$noconfigdirs target-newlib"
 528     fi
 529     noconfigdirs="$noconfigdirs target-libgloss"
 530     # If we are not using a cross compiler, do configure newlib.
 531     # Note however, that newlib will only be configured in this situation
 532     # if the --with-newlib option has been given, because otherwise
 533     # 'target-newlib' will appear in skipdirs.
 534     ;;
 535   i[[3456789]]86-*-mingw32*)
 536     target_configdirs="$target_configdirs target-mingw"
 537     noconfigdirs="$noconfigdirs expect target-libgloss ${libgcj}"
 538
 539     # Can't build gdb for mingw32 if not native.
 540     case "${host}" in
 541       i[[3456789]]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
 542       *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix gnuserv"
 543          ;;
 544     esac
 545     ;;
 546   *-*-cygwin*)
 547     target_configdirs="$target_configdirs target-libtermcap target-winsup"
 548     noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
 549     # always build newlib.
 550     skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
 551
 552     # Can't build gdb for Cygwin if not native.
 553     case "${host}" in
 554       *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
 555       *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl tix libgui gnuserv"
 556          ;;
 557     esac
 558     ;;
 559   i[[3456789]]86-*-pe)
 560     noconfigdirs="$noconfigdirs target-libstdc++-v3 target-libgloss ${libgcj}"
 561     ;;
 562   i[[3456789]]86-*-sco3.2v5*)
 563     # The linker does not yet know about weak symbols in COFF,
 564     # and is not configured to handle mixed ELF and COFF.
 565     noconfigdirs="$noconfigdirs ld target-libgloss ${libgcj}"
 566     ;;
 567   i[[3456789]]86-*-sco*)
 568     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 569     ;;
 570   i[[3456789]]86-*-solaris2*)
 571     noconfigdirs="$noconfigdirs target-libgloss"
 572     ;;
 573   i[[3456789]]86-*-sysv4*)
 574     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 575     ;;
 576   i[[3456789]]86-*-beos*)
 577     noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
 578     ;;
 579   m32r-*-*)
 580     noconfigdirs="$noconfigdirs ${libgcj} gdb"
 581     ;;
 582   m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
 583     noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
 584     ;;
 585   m68k-*-elf*)
 586     noconfigdirs="$noconfigdirs ${libgcj}"
 587     ;;
 588   m68k-*-coff*)
 589     noconfigdirs="$noconfigdirs ${libgcj}"
 590     ;;
 591   mcore-*-pe*)
 592   # The EPOC C++ environment does not support exceptions or rtti,
 593   # and so building libstdc++-v3 tends not to always work.
 594     noconfigdirs="$noconfigdirs target-libstdc++-v3"
 595     ;;
 596   mmix-*-*)
 597     noconfigdirs="$noconfigdirs ${libgcj} gdb libgloss"
 598     ;;
 599   mn10200-*-*)
 600     noconfigdirs="$noconfigdirs ${libgcj}"
 601     ;;
 602   mn10300-*-*)
 603     noconfigdirs="$noconfigdirs ${libgcj}"
 604     ;;
 605   powerpc-*-aix*)
 606     # copied from rs6000-*-* entry
 607     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 608     ;;
 609   powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
 610     target_configdirs="$target_configdirs target-winsup"
 611     noconfigdirs="$noconfigdirs gdb tcl tk make expect target-libgloss itcl tix gnuserv ${libgcj}"
 612     # always build newlib.
 613     skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
 614     ;;
 615     # This is temporary until we can link against shared libraries
 616   powerpcle-*-solaris*)
 617     noconfigdirs="$noconfigdirs gdb sim make tcl tk expect itcl tix gnuserv ${libgcj}"
 618     ;;
 619   powerpc-*-beos*)
 620     noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
 621     ;;
 622   powerpc-*-eabi)
 623     noconfigdirs="$noconfigdirs ${libgcj}"
 624     ;;
 625   rs6000-*-lynxos*)
 626     noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
 627     ;;
 628   rs6000-*-aix*)
 629     noconfigdirs="$noconfigdirs gprof ${libgcj}"
 630     ;;
 631   rs6000-*-*)
 632     noconfigdirs="$noconfigdirs gprof ${libgcj}"
 633     ;;
 634   m68k-apollo-*)
 635     noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
 636     ;;
 637   mips*-*-irix5*)
 638     # The GNU linker does not support shared libraries.
 639     noconfigdirs="$noconfigdirs ld gprof target-libgloss ${libgcj}"
 640     ;;
 641   mips*-*-irix6*)
 642     # Linking libjava exceeds command-line length limits on at least
 643     # IRIX 6.2, but not on IRIX 6.5.
 644     # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
 645     # <oldham@codesourcery.com>
 646     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 647     ;;
 648   mips*-dec-bsd*)
 649     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 650     ;;
 651   mips*-*-bsd*)
 652     noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
 653     ;;
 654   mipstx39-*-*)
 655     noconfigdirs="$noconfigdirs gprof ${libgcj}"   # same as generic mips
 656     ;;
 657   mips*-*-linux*)
 658     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 659     ;;
 660   mips*-*-*)
 661     noconfigdirs="$noconfigdirs gprof ${libgcj}"
 662     ;;
 663   romp-*-*)
 664     noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes target-libgloss ${libgcj}"
 665     ;;
 666   sh-*-*)
 667     case "${host}" in
 668       i[[3456789]]86-*-vsta) ;; # don't add gprof back in
 669       i[[3456789]]86-*-go32*) ;; # don't add gprof back in
 670       i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
 671       *) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
 672     esac
 673     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 674     ;;
 675   sh64-*-*)
 676     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 677     ;;
 678   sparc-*-elf*)
 679     noconfigdirs="$noconfigdirs ${libgcj}"
 680     ;;
 681   sparc64-*-elf*)
 682     noconfigdirs="$noconfigdirs ${libgcj}"
 683     ;;
 684   sparclite-*-*)
 685     noconfigdirs="$noconfigdirs ${libgcj}"
 686     ;;
 687   sparc-*-sunos4*)
 688     noconfigdirs="$noconfigdirs ${libgcj}"
 689     if test x${is_cross_compiler} != xno ; then
 690            noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
 691     else
 692            use_gnu_ld=no
 693     fi
 694     ;;
 695   sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
 696     ;;
 697   v810-*-*)
 698     noconfigdirs="$noconfigdirs bfd binutils gas gcc gdb ld target-libstdc++-v3 opcodes target-libgloss ${libgcj}"
 699     ;;
 700   v850-*-*)
 701     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 702     ;;
 703   v850e-*-*)
 704     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 705     ;;
 706   v850ea-*-*)
 707     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
 708     ;;
 709   vax-*-vms)
 710     noconfigdirs="$noconfigdirs bfd binutils gdb ld target-newlib opcodes target-libgloss ${libgcj}"
 711     ;;
 712   vax-*-*)
 713     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 714     ;;
 715   xtensa-*-*)
 716     noconfigdirs="$noconfigdirs ${libgcj}"
 717     ;;
 718   ip2k-*-*)
 719     noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
 720     ;;
 721   *-*-linux*)
 722     noconfigdirs="$noconfigdirs target-newlib target-libgloss"
 723     ;;
 724   *-*-lynxos*)
 725     noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
 726     ;;
 727   *-*-*)
 728     noconfigdirs="$noconfigdirs ${libgcj}"
 729     ;;
 730 esac
 731
 732 # If we aren't building newlib, then don't build libgloss, since libgloss
 733 # depends upon some newlib header files.
 734 case "${noconfigdirs}" in
 735   *target-libgloss*) ;;
 736   *target-newlib*) noconfigdirs="$noconfigdirs target-libgloss" ;;
 737 esac
 738
 739 # Figure out what language subdirectories are present.
 740 # Look if the user specified --enable-languages="..."; if not, use
 741 # the environment variable $LANGUAGES if defined. $LANGUAGES might
 742 # go away some day.
 743 # NB:  embedded tabs in this IF block -- do not untabify
 744 if test x"${enable_languages+set}" != xset; then
 745   if test x"${LANGUAGES+set}" = xset; then
 746     enable_languages="${LANGUAGES}"
 747       echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
 748   else
 749     enable_languages=all
 750   fi
 751 else
 752   if test x"${enable_languages}" = x ||
 753      test x"${enable_languages}" = xyes;
 754      then
 755     echo configure.in: --enable-languages needs at least one language argument 1>&2
 756     exit 1
 757   fi
 758 fi
 759 enable_languages=`echo "${enable_languages}" | sed -e 's/[[     ,]][[   ,]]*/,/g' -e 's/,$//'`
 760
 761 # First scan to see if an enabled language requires some other language.
 762 # We assume that a given config-lang.in will list all the language
 763 # front ends it requires, even if some are required indirectly.
 764 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
 765   case ${lang_frag} in
 766     ..) ;;
 767     # The odd quoting in the next line works around
 768     # an apparent bug in bash 1.12 on linux.
 769     ${srcdir}/gcc/[[*]]/config-lang.in) ;;
 770     *)
 771       # From the config-lang.in, get $language, $lang_requires
 772       language=
 773       lang_requires=
 774       . ${lang_frag}
 775       for other in ${lang_requires} ; do
 776         case ,${enable_languages}, in
 777           *,$other,*) ;;
 778           *,all,*) ;;
 779           *,$language,*)
 780             echo " \`$other' language required by \`$language'; enabling" 1>&2
 781             enable_languages="${enable_languages},${other}"
 782             ;;
 783         esac
 784       done
 785       ;;
 786   esac
 787 done
 788
 789 for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
 790   case ${lang_frag} in
 791     ..) ;;
 792     # The odd quoting in the next line works around
 793     # an apparent bug in bash 1.12 on linux.
 794     ${srcdir}/gcc/[[*]]/config-lang.in) ;;
 795     *)
 796       # From the config-lang.in, get $language, $target_libs,
 797       # $lang_dirs, and $build_by_default
 798       language=
 799       target_libs=
 800       lang_dirs=
 801       build_by_default=
 802       . ${lang_frag}
 803       if test "x$language" = x ; then
 804         echo "${lang_frag} doesn't set \$language." 1>&2
 805         exit 1
 806       fi
 807       case ,${enable_languages}, in
 808         *,${language},*)
 809           # Language was explicitly selected; include it.
 810           add_this_lang=yes
 811           ;;
 812         *,all,*)
 813           # 'all' was selected; include 'default' languages.
 814           case ${build_by_default} in
 815             no) add_this_lang=no ;;
 816             *) add_this_lang=yes ;;
 817           esac
 818           ;;
 819         *) add_this_lang=no ;;
 820       esac
 821       case ${add_this_lang} in
 822         no)
 823           # Remove language-dependent dirs.
 824           eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
 825           ;;
 826       esac
 827       ;;
 828   esac
 829 done
 830
 831 # Remove the entries in $skipdirs and $noconfigdirs from $configdirs and
 832 # $target_configdirs.
 833 # If we have the source for $noconfigdirs entries, add them to $notsupp.
 834
 835 notsupp=""
 836 for dir in . $skipdirs $noconfigdirs ; do
 837   dirname=`echo $dir | sed -e s/target-//g`
 838   if test $dir != .  && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 839     configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
 840     if test -r $srcdir/$dirname/configure ; then
 841       if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 842         true
 843       else
 844         notsupp="$notsupp $dir"
 845       fi
 846     fi
 847   fi
 848   if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 849     target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
 850     if test -r $srcdir/$dirname/configure ; then
 851       if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 852         true
 853       else
 854         notsupp="$notsupp $dir"
 855       fi
 856     fi
 857   fi
 858 done
 859
 860 # Sometimes the tools are distributed with libiberty but with no other
 861 # libraries.  In that case, we don't want to build target-libiberty.
 862 if test -n "${target_configdirs}" ; then
 863   others=
 864   for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
 865     if test "$i" != "libiberty" ; then
 866       if test -r $srcdir/$i/configure ; then
 867         others=yes;
 868         break;
 869       fi
 870     fi
 871   done
 872   if test -z "${others}" ; then
 873     target_configdirs=
 874   fi
 875 fi
 876
 877 # Quietly strip out all directories which aren't configurable in this tree.
 878 # This relies on all configurable subdirectories being autoconfiscated, which
 879 # is now the case.
 880 configdirs_all="$configdirs"
 881 configdirs=
 882 for i in ${configdirs_all} ; do
 883   if test -f ${srcdir}/$i/configure ; then
 884     configdirs="${configdirs} $i"
 885   fi
 886 done
 887 target_configdirs_all="$target_configdirs"
 888 target_configdirs=
 889 for i in ${target_configdirs_all} ; do
 890   j=`echo $i | sed -e s/target-//g`
 891   if test -f ${srcdir}/$j/configure ; then
 892     target_configdirs="${target_configdirs} $i"
 893   fi
 894 done
 895
 896 # Produce a warning message for the subdirs we can't configure.
 897 # This isn't especially interesting in the Cygnus tree, but in the individual
 898 # FSF releases, it's important to let people know when their machine isn't
 899 # supported by the one or two programs in a package.
 900
 901 if test -n "${notsupp}" && test -z "${norecursion}" ; then
 902   # If $appdirs is non-empty, at least one of those directories must still
 903   # be configured, or we error out.  (E.g., if the gas release supports a
 904   # specified target in some subdirs but not the gas subdir, we shouldn't
 905   # pretend that all is well.)
 906   if test -n "$appdirs" ; then
 907     for dir in $appdirs ; do
 908       if test -r $dir/Makefile.in ; then
 909         if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 910           appdirs=""
 911           break
 912         fi
 913         if echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
 914           appdirs=""
 915           break
 916         fi
 917       fi
 918     done
 919     if test -n "$appdirs" ; then
 920       echo "*** This configuration is not supported by this package." 1>&2
 921       exit 1
 922     fi
 923   fi
 924   # Okay, some application will build, or we don't care to check.  Still
 925   # notify of subdirs not getting built.
 926   echo "*** This configuration is not supported in the following subdirectories:" 1>&2
 927   echo "    ${notsupp}" 1>&2
 928   echo "    (Any other directories should still work fine.)" 1>&2
 929 fi
 930
 931 case "$host" in
 932   *msdosdjgpp*)
 933     enable_gdbtk=no ;;
 934 esac
 935
 936 copy_dirs=
 937
 938 # Handle --with-headers=XXX.  If the value is not "yes", the contents of
 939 # the named directory are copied to $(tooldir)/sys-include.
 940 if test x"${with_headers}" != x ; then
 941   if test x${is_cross_compiler} = xno ; then
 942     echo 1>&2 '***' --with-headers is only supported when cross compiling
 943     exit 1
 944   fi
 945   if test x"${with_headers}" != xyes ; then
 946     case "${exec_prefixoption}" in
 947     "") x=${prefix} ;;
 948     *) x=${exec_prefix} ;;
 949     esac
 950     copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
 951   fi
 952 fi
 953
 954 # Handle --with-libs=XXX.  If the value is not "yes", the contents of
 955 # the name directories are copied to $(tooldir)/lib.  Multiple directories
 956 # are permitted.
 957 if test x"${with_libs}" != x ; then
 958   if test x${is_cross_compiler} = xno ; then
 959     echo 1>&2 '***' --with-libs is only supported when cross compiling
 960     exit 1
 961   fi
 962   if test x"${with_libs}" != xyes ; then
 963     # Copy the libraries in reverse order, so that files in the first named
 964     # library override files in subsequent libraries.
 965     case "${exec_prefixoption}" in
 966     "") x=${prefix} ;;
 967     *) x=${exec_prefix} ;;
 968     esac
 969     for l in ${with_libs}; do
 970       copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
 971     done
 972   fi
 973 fi
 974
 975 # Handle ${copy_dirs}
 976 set fnord ${copy_dirs}
 977 shift
 978 while test $# != 0 ; do
 979   if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
 980     :
 981   else
 982     echo Copying $1 to $2
 983
 984     # Use the install script to create the directory and all required
 985     # parent directories.
 986     if test -d $2 ; then
 987       :
 988     else
 989       echo >config.temp
 990       ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
 991     fi
 992
 993     # Copy the directory, assuming we have tar.
 994     # FIXME: Should we use B in the second tar?  Not all systems support it.
 995     (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
 996
 997     # It is the responsibility of the user to correctly adjust all
 998     # symlinks.  If somebody can figure out how to handle them correctly
 999     # here, feel free to add the code.
1000
1001     echo $1 > $2/COPIED
1002   fi
1003   shift; shift
1004 done
1005
1006 # Work in distributions that contain no compiler tools, like Autoconf.
1007 tentative_cc=""
1008 host_makefile_frag=/dev/null
1009 if test -d ${srcdir}/config ; then
1010 case "${host}" in
1011   m68k-hp-hpux*)
1012     # Avoid "too much defining" errors from HPUX compiler.
1013     tentative_cc="cc -Wp,-H256000"
1014     # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
1015     # If it's HP/UX ar, this should be harmless.
1016     RANLIB="ar ts"
1017     ;;
1018   m68k-apollo-sysv*)
1019     tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
1020     ;;
1021   m68k-apollo-bsd*)
1022     #None of the Apollo compilers can compile gas or binutils.  The preprocessor
1023     # chokes on bfd, the compiler won't let you assign integers to enums, and
1024     # other problems.  Defining CC to gcc is a questionable way to say "don't use
1025     # the apollo compiler" (the preferred version of GCC could be called cc,
1026     # or whatever), but I'm not sure leaving CC as cc is any better...
1027     #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
1028     # Used to have BISON=yacc.
1029     tentative_cc=gcc
1030     ;;
1031   m88k-dg-dgux*)
1032     tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1033     ;;
1034   m88k-harris-cxux*)
1035     # Under CX/UX, we want to tell the compiler to use ANSI mode.
1036     tentative_cc="cc -Xa"
1037     host_makefile_frag="config/mh-cxux"
1038     ;;
1039   m88k-motorola-sysv*)
1040     ;;
1041   mips*-dec-ultrix*)
1042     tentative_cc="cc -Wf,-XNg1000"
1043     host_makefile_frag="config/mh-decstation"
1044     ;;
1045   mips*-nec-sysv4*)
1046     # The C compiler on NEC MIPS SVR4 needs bigger tables.
1047     tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
1048     host_makefile_frag="config/mh-necv4"
1049     ;;
1050   mips*-sgi-irix4*)
1051     # Tell compiler to use K&R C.  We can't compile under the SGI Ansi
1052     # environment.  Also bump switch table size so that cp-parse will
1053     # compile.  Bump string length limit so linker builds.
1054     tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
1055     ;;
1056   mips*-*-sysv4*)
1057     host_makefile_frag="config/mh-sysv4"
1058     ;;
1059   mips*-*-sysv*)
1060     # This is for a MIPS running RISC/os 4.52C.
1061
1062     # This is needed for GDB, but needs to be in the top-level make because
1063     # if a library is compiled with the bsd headers and gets linked with the
1064     # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
1065     # a different size).
1066     # ptrace(2) apparently has problems in the BSD environment.  No workaround is
1067     # known except to select the sysv environment.  Could we use /proc instead?
1068     # These "sysv environments" and "bsd environments" often end up being a pain.
1069     #
1070     # This is not part of CFLAGS because perhaps not all C compilers have this
1071     # option.
1072     tentative_cc="cc -systype sysv"
1073     ;;
1074   i370-ibm-opened*)
1075     tentative_cc="c89"
1076     ;;
1077   i[[3456789]]86-*-sysv5*)
1078     host_makefile_frag="config/mh-sysv5"
1079     ;;
1080   i[[3456789]]86-*-dgux*)
1081     tentative_cc="gcc -Wall -ansi -D__using_DGUX"
1082     host_makefile_frag="config/mh-dgux386"
1083     ;;
1084   i[[3456789]]86-ncr-sysv4.3*)
1085     # The MetaWare compiler will generate a copyright message unless you
1086     # turn it off by adding the -Hnocopyr flag.
1087     tentative_cc="cc -Hnocopyr"
1088     ;;
1089   i[[3456789]]86-ncr-sysv4*)
1090     # for an NCR 3000 (i486/SVR4) system.
1091     # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
1092     # This compiler not only emits obnoxious copyright messages every time
1093     # you run it, but it chokes and dies on a whole bunch of GNU source
1094     # files.  Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
1095     tentative_cc="/usr/ccs/ATT/cc"
1096     host_makefile_frag="config/mh-ncr3000"
1097     ;;
1098   i[[3456789]]86-*-sco3.2v5*)
1099     ;;
1100   i[[3456789]]86-*-sco*)
1101     # The native C compiler botches some simple uses of const.  Unfortunately,
1102     # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
1103     tentative_cc="cc -Dconst="
1104     host_makefile_frag="config/mh-sco"
1105     ;;
1106   i[[3456789]]86-*-udk*)
1107     host_makefile_frag="config/mh-sysv5"
1108     ;;
1109   i[[3456789]]86-*-solaris2*)
1110     host_makefile_frag="config/mh-sysv4"
1111     ;;
1112   i[[3456789]]86-*-msdosdjgpp*)
1113     host_makefile_frag="config/mh-djgpp"
1114     ;;
1115   *-cygwin*)
1116     host_makefile_frag="config/mh-cygwin"
1117     ;;
1118   *-mingw32*)
1119     host_makefile_frag="config/mh-mingw32"
1120     ;;
1121   *-interix*)
1122     host_makefile_frag="config/mh-interix"
1123     ;;
1124   vax-*-ultrix2*)
1125     # The old BSD pcc isn't up to compiling parts of gdb so use gcc
1126     tentative_cc=gcc
1127     ;;
1128   *-*-solaris2*)
1129     host_makefile_frag="config/mh-solaris"
1130     ;;
1131   m68k-sun-sunos*)
1132     # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
1133     # without overflowing the jump tables (-J says to use a 32 bit table)
1134     tentative_cc="cc -J"
1135     ;;
1136   *-hp-hpux*)
1137     tentative_cc="cc -Wp,-H256000"
1138     ;;
1139   *-*-hiux*)
1140     tentative_cc="cc -Wp,-H256000"
1141     ;;
1142   rs6000-*-lynxos*)
1143     # /bin/cc is less than useful for our purposes.  Always use GCC
1144     tentative_cc="/usr/cygnus/progressive/bin/gcc"
1145     host_makefile_frag="config/mh-lynxrs6k"
1146     ;;
1147   *-*-lynxos*)
1148     # /bin/cc is less than useful for our purposes.  Always use GCC
1149     tentative_cc="/bin/gcc"
1150     ;;
1151   *-*-sysv4*)
1152     host_makefile_frag="config/mh-sysv4"
1153     ;;
1154 esac
1155 fi
1156
1157 extra_arflags_for_target=
1158 extra_nmflags_for_target=
1159 extra_ranlibflags_for_target=
1160 target_makefile_frag=/dev/null
1161 case "${target}" in
1162   i[[3456789]]86-*-netware*)
1163     target_makefile_frag="config/mt-netware"
1164     ;;
1165   powerpc-*-netware*)
1166     target_makefile_frag="config/mt-netware"
1167     ;;
1168   *-*-linux*)
1169     target_makefile_frag="config/mt-linux"
1170     ;;
1171   *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
1172     # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
1173     # commands to handle both 32-bit and 64-bit objects.  These flags are
1174     # harmless if we're using GNU nm or ar.
1175     extra_arflags_for_target=" -X32_64"
1176     extra_nmflags_for_target=" -B -X32_64"
1177     ;;
1178   *-*-darwin*)
1179     # ranlib from Darwin requires the -c flag to look at common symbols.
1180     extra_ranlibflags_for_target=" -c"
1181     ;;
1182   mips*-*-pe | sh*-*-pe | *arm-wince-pe)
1183     target_makefile_frag="config/mt-wince"
1184     ;;
1185 esac
1186
1187 alphaieee_frag=/dev/null
1188 case $target in
1189   alpha*-*-*)
1190     # This just makes sure to use the -mieee option to build target libs.
1191     # This should probably be set individually by each library.
1192     alphaieee_frag="config/mt-alphaieee"
1193     ;;
1194 esac
1195
1196 # If --enable-target-optspace always use -Os instead of -O2 to build
1197 # the target libraries, similarly if it is not specified, use -Os
1198 # on selected platforms.
1199 ospace_frag=/dev/null
1200 case "${enable_target_optspace}:${target}" in
1201   yes:*)
1202     ospace_frag="config/mt-ospace"
1203     ;;
1204   :d30v-*)
1205     ospace_frag="config/mt-d30v"
1206     ;;
1207   :m32r-* | :d10v-* | :fr30-*)
1208     ospace_frag="config/mt-ospace"
1209     ;;
1210   no:* | :*)
1211     ;;
1212   *)
1213     echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
1214     ;;
1215 esac
1216
1217 # Set with_gnu_as and with_gnu_ld as appropriate.
1218 #
1219 # This is done by determining whether or not the appropriate directory
1220 # is available, and by checking whether or not specific configurations
1221 # have requested that this magic not happen.
1222 #
1223 # The command line options always override the explicit settings in
1224 # configure.in, and the settings in configure.in override this magic.
1225 #
1226 # If the default for a toolchain is to use GNU as and ld, and you don't
1227 # want to do that, then you should use the --without-gnu-as and
1228 # --without-gnu-ld options for the configure script.
1229
1230 if test x${use_gnu_as} = x &&
1231    echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
1232   with_gnu_as=yes
1233   extra_host_args="$extra_host_args --with-gnu-as"
1234 fi
1235
1236 if test x${use_gnu_ld} = x &&
1237    echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
1238   with_gnu_ld=yes
1239   extra_host_args="$extra_host_args --with-gnu-ld"
1240 fi
1241
1242 # If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
1243 # can detect this case.
1244
1245 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
1246   with_newlib=yes
1247   extra_host_args="$extra_host_args --with-newlib"
1248 fi
1249
1250
1251 # Default to using --with-stabs for certain targets.
1252 if test x${with_stabs} = x ; then
1253   case "${target}" in
1254   mips*-*-irix6*)
1255     ;;
1256   mips*-*-* | alpha*-*-osf*)
1257     with_stabs=yes;
1258     extra_host_args="${extra_host_args} --with-stabs"
1259     ;;
1260   esac
1261 fi
1262
1263 # hpux11 in 64bit mode has libraries in a weird place.  Arrange to find
1264 # them automatically.
1265 case "${host}" in
1266   hppa*64*-*-hpux11*)
1267     extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
1268     ;;
1269 esac
1270
1271 # If we aren't going to be using gcc, see if we can extract a definition
1272 # of CC from the fragment.
1273 # Actually, use the 'pre-extracted' version above.
1274 if test -z "${CC}" && test "${build}" = "${host}" ; then
1275   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
1276   found=
1277   for dir in $PATH; do
1278     test -z "$dir" && dir=.
1279     if test -f $dir/gcc; then
1280       found=yes
1281       break
1282     fi
1283   done
1284   IFS="$save_ifs"
1285   if test -z "${found}" && test -n "${tentative_cc}" ; then
1286     CC=$tentative_cc
1287   fi
1288 fi
1289
1290 # Some systems (e.g., one of the i386-aix systems the gas testers are
1291 # using) don't handle "\$" correctly, so don't use it here.
1292 tooldir='${exec_prefix}'/${target_alias}
1293 build_tooldir=${tooldir}
1294
1295 # Generate a default definition for YACC.  This is used if the makefile can't
1296 # locate bison or byacc in objdir.
1297
1298 for prog in 'bison -y' byacc yacc
1299 do
1300   set dummy $prog; tmp=$2
1301   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
1302   for dir in $PATH; do
1303     test -z "$dir" && dir=.
1304     if test -f $dir/$tmp; then
1305       DEFAULT_YACC="$prog"
1306       break
1307     fi
1308   done
1309   IFS="$save_ifs"
1310
1311   test -n "$DEFAULT_YACC" && break
1312 done
1313
1314 # Generate a default definition for M4.  This is used if the makefile can't
1315 # locate m4 in objdir.
1316
1317 for prog in gm4 gnum4 m4
1318 do
1319   set dummy $prog; tmp=$2
1320   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
1321   for dir in $PATH; do
1322     test -z "$dir" && dir=.
1323     if test -f $dir/$tmp; then
1324       DEFAULT_M4="$prog"
1325       break
1326     fi
1327   done
1328   IFS="$save_ifs"
1329
1330   test -n "$DEFAULT_M4" && break
1331 done
1332
1333 # Generate a default definition for LEX.  This is used if the makefile can't
1334 # locate flex in objdir.
1335
1336 for prog in flex lex
1337 do
1338   set dummy $prog; tmp=$2
1339   IFS="${IFS=   }"; save_ifs="$IFS"; IFS="${IFS}:"
1340   for dir in $PATH; do
1341     test -z "$dir" && dir=.
1342     if test -f $dir/$tmp; then
1343       DEFAULT_LEX="$prog"
1344       break
1345     fi
1346   done
1347   IFS="$save_ifs"
1348
1349   test -n "$DEFAULT_LEX" && break
1350 done
1351
1352 if test "${build}" != "${host}" ; then
1353   # If we are doing a Canadian Cross, in which the host and build systems
1354   # are not the same, we set reasonable default values for the tools.
1355
1356   BISON=${BISON-bison}
1357   CC=${CC-${host_alias}-gcc}
1358   CFLAGS=${CFLAGS-"-g -O2"}
1359   CXX=${CXX-${host_alias}-c++}
1360   CXXFLAGS=${CXXFLAGS-"-g -O2"}
1361   CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
1362   CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
1363   CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
1364   GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
1365   GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
1366   BUILD_PREFIX=${build_alias}-
1367   BUILD_PREFIX_1=${build_alias}-
1368   MAKEINFO=${MAKEINFO-makeinfo}
1369
1370   if test -z "${YACC}" ; then
1371     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
1372     for dir in $PATH; do
1373       test -z "$dir" && dir=.
1374       if test -f $dir/bison; then
1375         YACC="bison -y"
1376         break
1377       fi
1378       if test -f $dir/byacc; then
1379         YACC=byacc
1380         break
1381       fi
1382       if test -f $dir/yacc; then
1383         YACC=yacc
1384         break
1385       fi
1386     done
1387     IFS="$save_ifs"
1388     if test -z "${YACC}" ; then
1389       YACC="bison -y"
1390     fi
1391   fi
1392
1393   if test -z "${LEX}" ; then
1394     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
1395     for dir in $PATH; do
1396       test -z "$dir" && dir=.
1397       if test -f $dir/flex; then
1398         LEX=flex
1399         break
1400       fi
1401       if test -f $dir/lex; then
1402         LEX=lex
1403         break
1404       fi
1405     done
1406     IFS="$save_ifs"
1407     LEX=${LEX-flex}
1408   fi
1409
1410 else
1411   # Set reasonable default values for some tools even if not Canadian.
1412   # Of course, these are different reasonable default values, originally
1413   # specified directly in the Makefile.
1414   # We don't export, so that autoconf can do its job.
1415   # Note that all these settings are above the fragment inclusion point
1416   # in Makefile.in, so can still be overridden by fragments.
1417   # This is all going to change when we autoconfiscate...
1418
1419   BISON="\$(USUAL_BISON)"
1420   CC_FOR_BUILD="\$(CC)"
1421   GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
1422   BUILD_PREFIX=
1423   BUILD_PREFIX_1=loser-
1424   MAKEINFO="\$(USUAL_MAKEINFO)"
1425   LEX="\$(USUAL_LEX)"
1426   YACC="\$(USUAL_YACC)"
1427
1428   # If CC is still not set, try to get gcc.
1429   cc_prog_is_gcc=
1430   if test -z "${CC}" ; then
1431     IFS="${IFS=         }"; save_ifs="$IFS"; IFS="${IFS}:"
1432     for dir in $PATH; do
1433       test -z "$dir" && dir=.
1434       if test -f $dir/gcc; then
1435         CC="gcc"
1436         cc_prog_is_gcc=yes
1437         echo 'void f(){}' > conftest.c
1438         if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1439           CFLAGS=${CFLAGS-"-g -O2"}
1440           CXXFLAGS=${CXXFLAGS-"-g -O2"}
1441         else
1442           CFLAGS=${CFLAGS-"-O2"}
1443           CXXFLAGS=${CXXFLAGS-"-O2"}
1444         fi
1445         rm -f conftest*
1446         break
1447       fi
1448     done
1449     IFS="$save_ifs"
1450     CC=${CC-cc}
1451   else
1452     # Determine if we are using gcc.
1453     cat > conftest.c <<EOF
1454 #ifdef __GNUC__
1455   yes;
1456 #endif
1457 EOF
1458     if ${CC} -E conftest.c | grep yes >/dev/null 2>&1; then
1459       cc_prog_is_gcc=yes
1460     fi
1461     rm -f conftest.c
1462     if test -z "${CFLAGS}"; then
1463       # Here CC is set but CFLAGS is not.  Use a quick hack to use -O2 if CC
1464       # is set to a version of gcc.
1465       if test "$cc_prog_is_gcc" = yes; then
1466         echo 'void f(){}' > conftest.c
1467         if test -z "`${CC} -g -c conftest.c 2>&1`"; then
1468           CFLAGS=${CFLAGS-"-g -O2"}
1469           CXXFLAGS=${CXXFLAGS-"-g -O2"}
1470         else
1471           CFLAGS=${CFLAGS-"-O2"}
1472           CXXFLAGS=${CXXFLAGS-"-O2"}
1473         fi
1474         rm -f conftest*
1475       fi
1476     fi
1477   fi
1478
1479   # We must set the default linker to the linker used by gcc for the correct
1480   # operation of libtool.  If LD is not defined and we are using gcc, try to
1481   # set the LD default to the ld used by gcc.
1482   if test -z "$LD"; then
1483     if test "$cc_prog_is_gcc" = yes; then
1484       case $build in
1485       *-*-mingw*)
1486         gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
1487       *)
1488         gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
1489       esac
1490       case $gcc_prog_ld in
1491       # Accept absolute paths.
1492       [[\\/]* | [A-Za-z]:[\\/]*)]
1493         LD="$gcc_prog_ld" ;;
1494       esac
1495     fi
1496   fi
1497
1498   CXX=${CXX-"c++"}
1499   CFLAGS=${CFLAGS-"-g"}
1500   CXXFLAGS=${CXXFLAGS-"-g -O2"}
1501 fi
1502
1503 # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
1504 # Set up the list of links to be made.
1505 # ${links} is the list of link names, and ${files} is the list of names to link to.
1506
1507 # Make the links.
1508 configlinks="${links}"
1509 if test -r ./config.status  ; then
1510   mv -f ./config.status ./config.back
1511 fi
1512 while test -n "${files}" ; do
1513   # set file to car of files, files to cdr of files
1514   set ${files}; file=$1; shift; files=$*
1515   set ${links}; link=$1; shift; links=$*
1516
1517   if test ! -r ${srcdir}/${file} ; then
1518     if test ! -r ${file} ; then
1519       echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
1520       echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
1521       exit 1
1522     else
1523       srcfile=${file}
1524     fi
1525   else
1526     srcfile=${srcdir}/${file}
1527   fi
1528
1529   ${remove} -f ${link}
1530   # Make a symlink if possible, otherwise try a hard link
1531   if ${symbolic_link} ${srcfile} ${link} >/dev/null 2>&1 ; then
1532     true
1533   else
1534     # We need to re-remove the file because Lynx leaves a
1535     # very strange directory there when it fails an NFS symlink.
1536     ${remove} -r -f ${link}
1537     ${hard_link} ${srcfile} ${link}
1538   fi
1539   if test ! -r ${link} ; then
1540     echo '***' "${progname}: unable to link \"${link}\" to \"${srcfile}\"." 1>&2
1541     exit 1
1542   fi
1543
1544   echo "Linked \"${link}\" to \"${srcfile}\"."
1545 done
1546
1547 # Create a .gdbinit file which runs the one in srcdir
1548 # and tells GDB to look there for source files.
1549
1550 if test -r ${srcdir}/.gdbinit ; then
1551   case ${srcdir} in
1552     .) ;;
1553     *) cat > ./.gdbinit <<EOF
1554 # ${NO_EDIT}
1555 dir ${srcdir}
1556 dir .
1557 source ${srcdir}/.gdbinit
1558 EOF
1559     ;;
1560   esac
1561 fi
1562
1563 # Make sure that the compiler is able to generate an executable.  If it
1564 # can't, we are probably in trouble.  We don't care whether we can run the
1565 # executable--we might be using a cross compiler--we only care whether it
1566 # can be created.  At this point the main configure script has set CC.
1567 we_are_ok=no
1568 echo "int main () { return 0; }" > conftest.c
1569 ${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
1570 if test $? = 0 ; then
1571   if test -s conftest || test -s conftest.exe ; then
1572     we_are_ok=yes
1573   fi
1574 fi
1575 case $we_are_ok in
1576   no)
1577     echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
1578     echo 1>&2 "*** You must set the environment variable CC to a working compiler."
1579     rm -f conftest*
1580     exit 1
1581     ;;
1582 esac
1583 rm -f conftest*
1584
1585 # The Solaris /usr/ucb/cc compiler does not appear to work.
1586 case "${host}" in
1587   sparc-sun-solaris2*)
1588       CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
1589       if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
1590           could_use=
1591           test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
1592           if test -d /opt/cygnus/bin ; then
1593               if test "$could_use" = "" ; then
1594                   could_use="/opt/cygnus/bin"
1595               else
1596                   could_use="$could_use or /opt/cygnus/bin"
1597               fi
1598           fi
1599         if test "$could_use" = "" ; then
1600             echo "Warning: compilation may fail because you're using"
1601             echo "/usr/ucb/cc.  You should change your PATH or CC "
1602             echo "variable and rerun configure."
1603         else
1604             echo "Warning: compilation may fail because you're using"
1605             echo "/usr/ucb/cc, when you should use the C compiler from"
1606             echo "$could_use.  You should change your"
1607             echo "PATH or CC variable and rerun configure."
1608         fi
1609       fi
1610   ;;
1611 esac
1612
1613 # If --enable-shared was set, we must set LD_LIBRARY_PATH so that the
1614 # binutils tools will find libbfd.so.
1615 case "${enable_shared}" in
1616   no | "") SET_LIB_PATH= ;;
1617   *) SET_LIB_PATH="\$(REALLY_SET_LIB_PATH)" ;;
1618 esac
1619
1620 case "${host}" in
1621   *-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
1622   *) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
1623 esac
1624
1625 # Record target_configdirs and the configure arguments for target and
1626 # build configuration in Makefile.
1627 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
1628
1629 # This is the final value for target_configdirs.  configdirs already
1630 # has its final value, as does build_modules.  It's time to create some
1631 # lists of valid targets.
1632
1633 all_build_modules=
1634 configure_build_modules=
1635 for module in ${build_modules} ; do
1636   all_build_modules=all-build-${module}
1637   configure_build_modules=configure-build-${module}
1638 done
1639
1640 # Determine whether gdb needs tk/tcl or not.
1641 # Use 'maybe' since enable_gdbtk might be true even if tk isn't available
1642 # and in that case we want gdb to be built without tk.  Ugh!
1643 # In fact I believe gdb is the *only* package directly dependent on tk,
1644 # so we should be able to put the 'maybe's in unconditionally and
1645 # leave out the maybe dependencies when enable_gdbtk is false.  I'm not
1646 # 100% sure that that's safe though.
1647
1648 gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-tix maybe-all-libgui"
1649 case "$enable_gdbtk" in
1650   no)
1651     GDB_TK="" ;;
1652   yes)
1653     GDB_TK="${gdb_tk}" ;;
1654   *)
1655     # Only add the dependency on gdbtk when GDBtk is part of the gdb
1656     # distro.  Eventually someone will fix this and move Insight, nee
1657     # gdbtk to a separate directory.
1658     if test -d ${srcdir}/gdb/gdbtk ; then
1659       GDB_TK="${gdb_tk}"
1660     else
1661       GDB_TK=""
1662     fi
1663     ;;
1664 esac
1665
1666 # Create the 'maybe dependencies'.  This uses a temporary file.
1667
1668 # While at that, we remove Makefiles if we were started for recursive
1669 # configuration, so that the top-level Makefile reconfigures them,
1670 # like we used to do when configure itself was recursive.
1671 rm -f maybedep.tmp
1672 echo '# maybedep.tmp' > maybedep.tmp
1673
1674 # Make-targets which may need maybe dependencies.
1675 mts="configure all install check clean distclean dvi info install-info"
1676 mts="${mts} installcheck mostlyclean maintainer-clean TAGS"
1677
1678 # Loop over modules and make-targets.
1679 for module in ${build_modules} ; do
1680   if test -z "${no_recursion}" \
1681      && test -f ${build_subdir}/${module}/Makefile; then
1682     echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
1683     rm -f ${build_subdir}/${module}/Makefile
1684   fi
1685   for mt in ${mts} ; do
1686     case ${mt} in
1687       install) ;; # No installing build modules.
1688       *) echo "maybe-${mt}-build-${module}: ${mt}-build-${module}" >> maybedep.tmp ;;
1689     esac
1690   done
1691 done
1692 for module in ${configdirs} ; do
1693   if test -z "${no_recursion}" \
1694      && test -f ${module}/Makefile; then
1695     echo 1>&2 "*** removing ${module}/Makefile to force reconfigure"
1696     rm -f ${module}/Makefile
1697   fi
1698   for mt in ${mts} ; do
1699     echo "maybe-${mt}-${module}: ${mt}-${module}" >> maybedep.tmp
1700   done
1701 done
1702 for module in ${target_configdirs} ; do
1703   if test -z "${no_recursion}" \
1704      && test -f ${target_subdir}/${module}/Makefile; then
1705     echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
1706     rm -f ${target_subdir}/${module}/Makefile
1707   fi
1708   for mt in ${mts} ; do
1709     echo "maybe-${mt}-target-${module}: ${mt}-target-${module}" >> maybedep.tmp
1710   done
1711 done
1712 maybe_dependencies=maybedep.tmp
1713 AC_SUBST_FILE(maybe_dependencies)
1714
1715 # Create the serialization dependencies.  This uses a temporary file.
1716
1717 AC_ARG_ENABLE([serial-configure],
1718 [  --enable-serial-[{host,target,build}-]configure
1719                           Force sequential configuration of
1720                           sub-packages for the host, target or build
1721                           machine, or all sub-packages])
1722
1723 case ${enable_serial_configure} in
1724   yes)
1725     enable_serial_build_configure=yes
1726     enable_serial_host_configure=yes
1727     enable_serial_target_configure=yes
1728     ;;
1729 esac
1730
1731 # These force 'configure's to be done one at a time, to avoid problems
1732 # with contention over a shared config.cache.
1733 rm -f serdep.tmp
1734 echo '# serdep.tmp' > serdep.tmp
1735 olditem=
1736 test "x${enable_serial_build_configure}" = xyes &&
1737 for item in ${build_configdirs} ; do
1738   case ${olditem} in
1739     "") ;;
1740     *) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
1741   esac
1742   olditem=${item}
1743 done
1744 olditem=
1745 test "x${enable_serial_host_configure}" = xyes &&
1746 for item in ${configdirs} ; do
1747   case ${olditem} in
1748     "") ;;
1749     *) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
1750   esac
1751   olditem=${item}
1752 done
1753 olditem=
1754 test "x${enable_serial_target_configure}" = xyes &&
1755 for item in ${target_configdirs} ; do
1756   case ${olditem} in
1757     "") ;;
1758     *) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
1759   esac
1760   olditem=${item}
1761 done
1762 serialization_dependencies=serdep.tmp
1763 AC_SUBST_FILE(serialization_dependencies)
1764
1765 # Base args.  Strip norecursion, cache-file, srcdir, host, build,
1766 # target and nonopt.  These are the ones we might not want to pass
1767 # down to subconfigures.
1768 baseargs=`echo " ${ac_configure_args} " | \
1769         sed -e 's/ --no[[^ ]]* / /' \
1770             -e 's/ --c[[a-z-]]*[[= ]][[^ ]]* / /' \
1771             -e 's/ --sr[[a-z-]]*[[= ]][[^ ]]* / /' \
1772             -e 's/ --ho[[a-z-]]*[[= ]][[^ ]]* / /' \
1773             -e 's/ --bu[[a-z-]]*[[= ]][[^ ]]* / /' \
1774             -e 's/ --t[[a-z-]]*[[= ]][[^ ]]* / /' \
1775             -e 's/ -cache-file[[= ]][[^ ]]* / /' \
1776             -e 's/ -srcdir[[= ]][[^ ]]* / /' \
1777             -e 's/ -host[[= ]][[^ ]]* / /' \
1778             -e 's/ -build[[= ]][[^ ]]* / /' \
1779             -e 's/ -target[[= ]][[^ ]]* / /' \
1780             -e "s/ [[^' -][^ ]*] / /" \
1781             -e 's/^ *//;s/ *$//'`
1782
1783 # For the build-side libraries, we just need to pretend we're native,
1784 # and not use the same cache file.  Multilibs are neither needed nor
1785 # desired.
1786 build_configargs="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} ${baseargs}"
1787
1788 # For host modules, accept cache file option, or specification as blank.
1789 case "${cache_file}" in
1790 "") # empty
1791   cache_file_option="" ;;
1792 /* | [[A-Za-z]]:[[\\/]]* ) # absolute path
1793   cache_file_option="--cache-file=${cache_file}" ;;
1794 *) # relative path
1795   cache_file_option="--cache-file=../${cache_file}" ;;
1796 esac
1797
1798 host_configargs="${cache_file_option} --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
1799
1800 target_configargs=${baseargs}
1801
1802 # Passing a --with-cross-host argument lets the target libraries know
1803 # whether they are being built with a cross-compiler or being built
1804 # native.  However, it would be better to use other mechanisms to make the
1805 # sorts of decisions they want to make on this basis.  Please consider
1806 # this option to be deprecated.  FIXME.
1807 if test x${is_cross_compiler} = xyes ; then
1808   target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
1809 fi
1810
1811 # Default to --enable-multilib.
1812 if test x${enable_multilib} = x ; then
1813   target_configargs="--enable-multilib ${target_configargs}"
1814 fi
1815
1816 # Pass --with-newlib if appropriate.  Note that target_configdirs has
1817 # changed from the earlier setting of with_newlib.
1818 if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
1819   target_configargs="--with-newlib ${target_configargs}"
1820 fi
1821
1822 # Pass the appropriate --host, --build, and --cache-file arguments.
1823 target_configargs="--cache-file=../config.cache --host=${target_alias} --build=${build_alias} ${target_configargs}"
1824
1825 # provide a proper gxx_include_dir.
1826 # Note, if you change the default, make sure to fix both here and in
1827 # the gcc and libstdc++-v3 subdirectories.
1828 # Check whether --with-gxx-include-dir or --without-gxx-include-dir was given.
1829 case "${with_gxx_include_dir}" in
1830   yes)
1831     AC_MSG_ERROR([--with-gxx-include-dir=[[dir]] requires a directory])
1832     ;;
1833   no | "")
1834     case "${enable_version_specific_runtime_libs}" in
1835       yes) gxx_include_dir='${libsubdir}/include/c++' ;;
1836       *)
1837         . ${srcdir}/config.if
1838         gxx_include_dir='${prefix}/include/'${libstdcxx_incdir} ;;
1839     esac ;;
1840   *) gxx_include_dir=${with_gxx_include_dir} ;;
1841 esac
1842
1843 FLAGS_FOR_TARGET=
1844 case " $target_configdirs " in
1845  *" newlib "*)
1846   case " $target_configargs " in
1847   *" --with-newlib "*)
1848    case "$target" in
1849    *-cygwin*)
1850      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' ;;
1851    esac
1852
1853    # If we're not building GCC, don't discard standard headers.
1854    if test -d ${srcdir}/gcc; then
1855      FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
1856
1857      if test "${build}" != "${host}"; then
1858        # On Canadian crosses, CC_FOR_TARGET will have already been set
1859        # by `configure', so we won't have an opportunity to add -Bgcc/
1860        # to it.  This is right: we don't want to search that directory
1861        # for binaries, but we want the header files in there, so add
1862        # them explicitly.
1863        FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/gcc/include'
1864
1865        # Someone might think of using the pre-installed headers on
1866        # Canadian crosses, in case the installed compiler is not fully
1867        # compatible with the compiler being built.  In this case, it
1868        # would be better to flag an error than risking having
1869        # incompatible object files being constructed.  We can't
1870        # guarantee that an error will be flagged, but let's hope the
1871        # compiler will do it, when presented with incompatible header
1872        # files.
1873      fi
1874    fi
1875
1876    case "${target}-${is_cross_compiler}" in
1877    i[[3456789]]86-*-linux*-no)
1878       # Here host == target, so we don't need to build gcc,
1879       # so we don't want to discard standard headers.
1880       FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
1881       ;;
1882    *)
1883       # If we're building newlib, use its generic headers last, but search
1884       # for any libc-related directories first (so make it the last -B
1885       # switch).
1886       FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
1887       ;;
1888    esac
1889    ;;
1890   esac
1891   ;;
1892 esac
1893
1894 # On Canadian crosses, we'll be searching the right directories for
1895 # the previously-installed cross compiler, so don't bother to add
1896 # flags for directories within the install tree of the compiler
1897 # being built; programs in there won't even run.
1898 if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
1899   # Search for pre-installed headers if nothing else fits.
1900   FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
1901 fi
1902
1903 if test "x${use_gnu_ld}" = x &&
1904    echo " ${configdirs} " | grep " ld " > /dev/null ; then
1905   # Arrange for us to find uninstalled linker scripts.
1906   FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/ld'
1907 fi
1908
1909 if test "x${CC_FOR_TARGET+set}" = xset; then
1910   :
1911 elif test -d ${srcdir}/gcc; then
1912   CC_FOR_TARGET='$$r/gcc/xgcc -B$$r/gcc/'
1913 elif test "$host" = "$target"; then
1914   CC_FOR_TARGET='$(CC)'
1915 else
1916   CC_FOR_TARGET=`echo gcc | sed "${program_transform_name}"`
1917 fi
1918 CC_FOR_TARGET=$CC_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1919
1920 if test "x${GCJ_FOR_TARGET+set}" = xset; then
1921   :
1922 elif test -d ${srcdir}/gcc; then
1923   GCJ_FOR_TARGET='$$r/gcc/gcj -B$$r/gcc/'
1924 elif test "$host" = "$target"; then
1925   GCJ_FOR_TARGET='gcj'
1926 else
1927   GCJ_FOR_TARGET=`echo gcj | sed "${program_transform_name}"`
1928 fi
1929 GCJ_FOR_TARGET=$GCJ_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1930
1931 # Don't use libstdc++-v3's flags to configure/build itself.
1932 libstdcxx_flags='`test ! -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags || $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
1933 raw_libstdcxx_flags=' -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
1934
1935 if test "x${CXX_FOR_TARGET+set}" = xset; then
1936   :
1937 elif test -d ${srcdir}/gcc; then
1938   # We add -shared-libgcc to CXX_FOR_TARGET whenever we use xgcc instead
1939   # of g++ for linking C++ or Java, because g++ has -shared-libgcc by
1940   # default whereas gcc does not.
1941   # RAW_CXX_FOR_TARGET is for linking C++ or java; CXX_FOR_TARGET is for
1942   # all other cases.
1943   CXX_FOR_TARGET='$$r/gcc/g++ -B$$r/gcc/ -nostdinc++ '$libstdcxx_flags
1944   RAW_CXX_FOR_TARGET='$$r/gcc/xgcc -shared-libgcc -B$$r/gcc/ -nostdinc++ '$raw_libstdcxx_flags
1945 elif test "$host" = "$target"; then
1946   CXX_FOR_TARGET='$(CXX)'
1947   RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
1948 else
1949   CXX_FOR_TARGET=`echo c++ | sed "${program_transform_name}"`
1950   RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
1951 fi
1952 CXX_FOR_TARGET=$CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1953 RAW_CXX_FOR_TARGET=$RAW_CXX_FOR_TARGET' $(FLAGS_FOR_TARGET)'
1954
1955 qCXX_FOR_TARGET=`echo "$CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
1956 qRAW_CXX_FOR_TARGET=`echo "$RAW_CXX_FOR_TARGET" | sed 's,[[&%]],\\\&,g'`
1957
1958 # We want to defer the evaluation of `cmd`s and shell variables in
1959 # CXX_FOR_TARGET when recursing in the top-level Makefile, such as for
1960 # bootstrap.  We'll enclose CXX_FOR_TARGET_FOR_RECURSIVE_MAKE in single
1961 # quotes, but we still have to duplicate `$'s so that shell variables
1962 # can be expanded by the nested make as shell variables, not as make
1963 # macros.
1964 qqCXX_FOR_TARGET=`echo "$qCXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
1965 qqRAW_CXX_FOR_TARGET=`echo "$qRAW_CXX_FOR_TARGET" | sed -e 's,[[$]][[$]],$$$$,g'`
1966
1967 # Wrap CC_FOR_TARGET and friends, for certain types of builds.
1968 CC_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${CC_FOR_TARGET}"
1969 GCJ_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${GCJ_FOR_TARGET}"
1970 CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qCXX_FOR_TARGET}"
1971 RAW_CXX_FOR_TARGET="\$(STAGE_CC_WRAPPER) ${qRAW_CXX_FOR_TARGET}"
1972 CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqCXX_FOR_TARGET}"
1973 RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE="\$(STAGE_CC_WRAPPER) ${qqRAW_CXX_FOR_TARGET}"
1974
1975 # Makefile fragments.
1976 host_makefile_frag=${srcdir}/${host_makefile_frag}
1977 target_makefile_frag=${srcdir}/${target_makefile_frag}
1978 alphaieee_frag=${srcdir}/${alphaieee_frag}
1979 ospace_frag=${srcdir}/${ospace_frag}
1980 AC_SUBST_FILE(host_makefile_frag)
1981 AC_SUBST_FILE(target_makefile_frag)
1982 AC_SUBST_FILE(alphaieee_frag)
1983 AC_SUBST_FILE(ospace_frag)
1984
1985 # Miscellanea: directories, flags, etc.
1986 AC_SUBST(SET_LIB_PATH)
1987 AC_SUBST(RPATH_ENVVAR)
1988 AC_SUBST(BUILD_PREFIX)
1989 AC_SUBST(BUILD_PREFIX_1)
1990 AC_SUBST(configlinks)
1991 AC_SUBST(gcc_version_trigger)
1992 AC_SUBST(gcc_version)
1993 AC_SUBST(tooldir)
1994 AC_SUBST(build_tooldir)
1995 AC_SUBST(GDB_TK)
1996 AC_SUBST(gxx_include_dir)
1997 AC_SUBST(libstdcxx_incdir)
1998
1999 # Build module lists & subconfigure args.
2000 AC_SUBST(build_configargs)
2001 AC_SUBST(configure_build_modules)
2002 AC_SUBST(all_build_modules)
2003
2004 # Host module lists & subconfigure args.
2005 AC_SUBST(host_configargs)
2006 AC_SUBST(configdirs)
2007
2008 # Target module lists & subconfigure args.
2009 AC_SUBST(target_configargs)
2010 AC_SUBST(target_configdirs)
2011
2012 # Build tools.
2013 AC_SUBST(BISON)
2014 AC_SUBST(CC_FOR_BUILD)
2015 AC_SUBST(LEX)
2016 AC_SUBST(MAKEINFO)
2017 AC_SUBST(YACC)
2018 AC_SUBST(config_shell)
2019
2020 # Host tools.
2021 NCN_STRICT_CHECK_TOOL(AR, ar)
2022 NCN_STRICT_CHECK_TOOL(AS, as)
2023 NCN_STRICT_CHECK_TOOL(DLLTOOL, dlltool)
2024 NCN_STRICT_CHECK_TOOL(LD, ld)
2025 NCN_STRICT_CHECK_TOOL(NM, nm)
2026 NCN_STRICT_CHECK_TOOL(RANLIB, ranlib, :)
2027 NCN_STRICT_CHECK_TOOL(WINDRES, windres)
2028 NCN_STRICT_CHECK_TOOL(OBJCOPY, objcopy)
2029 NCN_STRICT_CHECK_TOOL(OBJDUMP, objdump)
2030 AC_SUBST(CC)
2031 AC_SUBST(CXX)
2032 AC_SUBST(CFLAGS)
2033 AC_SUBST(CXXFLAGS)
2034 AC_SUBST(DEFAULT_YACC)
2035 AC_SUBST(DEFAULT_LEX)
2036 AC_SUBST(DEFAULT_M4)
2037
2038 # Target tools.
2039 NCN_STRICT_CHECK_TARGET_TOOL(AR_FOR_TARGET, ar)
2040 NCN_STRICT_CHECK_TARGET_TOOL(AS_FOR_TARGET, as)
2041 NCN_STRICT_CHECK_TARGET_TOOL(DLLTOOL_FOR_TARGET, dlltool)
2042 NCN_STRICT_CHECK_TARGET_TOOL(LD_FOR_TARGET, ld)
2043 NCN_STRICT_CHECK_TARGET_TOOL(NM_FOR_TARGET, nm)
2044 NCN_STRICT_CHECK_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib, :)
2045 NCN_STRICT_CHECK_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
2046
2047 AC_SUBST(GCC_FOR_TARGET)
2048 AC_SUBST(FLAGS_FOR_TARGET)
2049 AC_SUBST(CC_FOR_TARGET)
2050 AC_SUBST(GCJ_FOR_TARGET)
2051 AC_SUBST(CXX_FOR_TARGET)
2052 AC_SUBST(RAW_CXX_FOR_TARGET)
2053 AC_SUBST(CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2054 AC_SUBST(RAW_CXX_FOR_TARGET_FOR_RECURSIVE_MAKE)
2055
2056 # Fix up target tools.
2057 if test "x${build}" = "x${host}" ; then
2058   # In this case, the newly built tools can and should be used,
2059   # so we override the results of the autoconf tests.
2060   # This should really only happen when the tools are actually being built,
2061   # but that's a further refinement.  The new build scheme, where
2062   # tools are built into a structure paralleling where they're installed,
2063   # should also eliminate all of this cleanly.
2064   AR_FOR_TARGET="\$(USUAL_AR_FOR_TARGET)"
2065   AS_FOR_TARGET="\$(USUAL_AS_FOR_TARGET)"
2066   DLLTOOL_FOR_TARGET="\$(USUAL_DLLTOOL_FOR_TARGET)"
2067   LD_FOR_TARGET="\$(USUAL_LD_FOR_TARGET)"
2068   NM_FOR_TARGET="\$(USUAL_NM_FOR_TARGET)"
2069   RANLIB_FOR_TARGET="\$(USUAL_RANLIB_FOR_TARGET)"
2070   WINDRES_FOR_TARGET="\$(USUAL_WINDRES_FOR_TARGET)"
2071 fi
2072 # Certain tools may need extra flags.
2073 AR_FOR_TARGET=${AR_FOR_TARGET}${extra_arflags_for_target}
2074 RANLIB_FOR_TARGET=${RANLIB_FOR_TARGET}${extra_ranlibflags_for_target}
2075 NM_FOR_TARGET=${NM_FOR_TARGET}${extra_nmflags_for_target}
2076
2077 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2078 AC_ARG_ENABLE(maintainer-mode,
2079 [  --enable-maintainer-mode enable make rules and dependencies not useful
2080                           (and sometimes confusing) to the casual installer],
2081       USE_MAINTAINER_MODE=$enableval,
2082       USE_MAINTAINER_MODE=no)
2083 AC_MSG_RESULT($USE_MAINTAINER_MODE)
2084 AC_SUBST(MAINTAINER_MODE_TRUE)
2085 AC_SUBST(MAINTAINER_MODE_FALSE)
2086 if test "$USE_MAINTAINER_MODE" = yes; then
2087   MAINTAINER_MODE_TRUE=
2088   MAINTAINER_MODE_FALSE='#'
2089 else
2090   MAINTAINER_MODE_TRUE='#'
2091   MAINTAINER_MODE_FALSE=
2092 fi
2093 MAINT=$MAINTAINER_MODE_TRUE
2094 AC_SUBST(MAINT)dnl
2095
2096 AC_OUTPUT(Makefile)