This commit was manufactured by cvs2svn to create tagGC_6_0_ALPHA_7

'GC_6_0_ALPHA_7'.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/tags/GC_6_0_ALPHA_7@42375 138bc75d-0d04-0410-961f-82ee72b054a4

7 files changed, 106 insertions, 3117 deletions

diff --git a/boehm-gc/Makefile.in b/boehm-gc/Makefile.in
deleted file mode 100644
index 11454745016..00000000000
--- a/boehm-gc/Makefile.in
+++ /dev/null
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deleted file mode 100644
index 55e649b3a24..00000000000
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-# be run before AC_CANONICAL_HOST.
-AC_CANONICAL_BUILD
-
-AC_CHECK_TOOL(AS, as)
-AC_CHECK_TOOL(AR, ar)
-AC_CHECK_TOOL(RANLIB, ranlib, :)
-
-AC_PROG_INSTALL
-
-AM_MAINTAINER_MODE
-
-# We need AC_EXEEXT to keep automake happy in cygnus mode.  However,
-# at least currently, we never actually build a program, so we never
-# need to use $(EXEEXT).  Moreover, the test for EXEEXT normally
-# fails, because we are probably configuring with a cross compiler
-# which can't create executables.  So we include AC_EXEEXT to keep
-# automake happy, but we don't execute it, since we don't care about
-# the result.
-if false; then
-  AC_EXEEXT
-fi
-
-. [$]{boehm_gc_basedir}/configure.host
-
-case [$]{boehm_gc_basedir} in
-/* | [A-Za-z]:[/\\]*) boehm_gc_flagbasedir=[$]{boehm_gc_basedir} ;;
-*) boehm_gc_flagbasedir='[$](top_builddir)/'[$]{boehm_gc_basedir} ;;
-esac
-
-boehm_gc_cflags="[$]{boehm_gc_cflags} -I"'[$](top_builddir)'"/$1/targ-include -I[$]{boehm_gc_flagbasedir}/libc/include"
-case "${host}" in
-  *-*-cygwin32*)
-    boehm_gc_cflags="[$]{boehm_gc_cflags} -I[$]{boehm_gc_flagbasedir}/../winsup/include"
-    ;;
-esac
-
-boehm_gc_cflags="[$]{boehm_gc_cflags} -fno-builtin"
-
-BOEHM_GC_CFLAGS=${boehm_gc_cflags}
-AC_SUBST(BOEHM_GC_CFLAGS)
-]))
-
-))))
diff --git a/boehm-gc/aclocal.m4 b/boehm-gc/aclocal.m4
deleted file mode 100644
index 872fea5d7ff..00000000000
--- a/boehm-gc/aclocal.m4
+++ /dev/null
@@ -1,291 +0,0 @@
-dnl aclocal.m4 generated automatically by aclocal 1.4
-
-dnl Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc.
-dnl This file is free software; the Free Software Foundation
-dnl gives unlimited permission to copy and/or distribute it,
-dnl with or without modifications, as long as this notice is preserved.
-
-dnl This program is distributed in the hope that it will be useful,
-dnl but WITHOUT ANY WARRANTY, to the extent permitted by law; without
-dnl even the implied warranty of MERCHANTABILITY or FITNESS FOR A
-dnl PARTICULAR PURPOSE.
-
-# FIXME: We temporarily define our own version of AC_PROG_CC.  This is
-# copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS.  We
-# are probably using a cross compiler, which will not be able to fully
-# link an executable.  This should really be fixed in autoconf
-# itself.
-
-AC_DEFUN(BOEHM_CONFIGURE,
-[
-dnl Default to --enable-multilib
-AC_ARG_ENABLE(multilib,
-[  --enable-multilib         build many library versions (default)],
-[case "${enableval}" in
-  yes) multilib=yes ;;
-  no)  multilib=no ;;
-  *)   AC_MSG_ERROR(bad value ${enableval} for multilib option) ;;
- esac], [multilib=yes])dnl
-
-dnl We may get other options which we don't document:
-dnl --with-target-subdir, --with-multisrctop, --with-multisubdir
-
-if test "[$]{srcdir}" = "."; then
-  if test "[$]{with_target_subdir}" != "."; then
-    boehm_gc_basedir="[$]{srcdir}/[$]{with_multisrctop}../$1"
-  else
-    boehm_gc_basedir="[$]{srcdir}/[$]{with_multisrctop}$1"
-  fi
-else
-  boehm_gc_basedir="[$]{srcdir}/$1"
-fi
-AC_SUBST(boehm_gc_basedir)
-
-AC_CANONICAL_HOST
-
-AM_INIT_AUTOMAKE(boehm-gc, 4.13a2, no-define)
-
-# FIXME: We temporarily define our own version of AC_PROG_CC.  This is
-# copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS.  We
-# are probably using a cross compiler, which will not be able to fully
-# link an executable.  This should really be fixed in autoconf
-# itself.
-
-AC_DEFUN(LIB_AC_PROG_CC,
-[AC_BEFORE([$0], [AC_PROG_CPP])dnl
-AC_CHECK_PROG(CC, gcc, gcc)
-if test -z "$CC"; then
-  AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc)
-  test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH])
-fi
-
-AC_PROG_CC_GNU
-
-if test $ac_cv_prog_gcc = yes; then
-  GCC=yes
-dnl Check whether -g works, even if CFLAGS is set, in case the package
-dnl plays around with CFLAGS (such as to build both debugging and
-dnl normal versions of a library), tasteless as that idea is.
-  ac_test_CFLAGS="${CFLAGS+set}"
-  ac_save_CFLAGS="$CFLAGS"
-  CFLAGS=
-  AC_PROG_CC_G
-  if test "$ac_test_CFLAGS" = set; then
-    CFLAGS="$ac_save_CFLAGS"
-  elif test $ac_cv_prog_cc_g = yes; then
-    CFLAGS="-g -O2"
-  else
-    CFLAGS="-O2"
-  fi
-else
-  GCC=
-  test "${CFLAGS+set}" = set || CFLAGS="-g"
-fi
-])
-
-LIB_AC_PROG_CC
-
-# Likewise for AC_PROG_CXX.
-AC_DEFUN(LIB_AC_PROG_CXX,
-[AC_BEFORE([$0], [AC_PROG_CXXCPP])dnl
-AC_CHECK_PROGS(CXX, $CCC c++ g++ gcc CC cxx cc++, gcc)
-test -z "$CXX" && AC_MSG_ERROR([no acceptable c++ found in \$PATH])
-
-AC_PROG_CXX_GNU
-
-if test $ac_cv_prog_gxx = yes; then
-  GXX=yes
-dnl Check whether -g works, even if CXXFLAGS is set, in case the package
-dnl plays around with CXXFLAGS (such as to build both debugging and
-dnl normal versions of a library), tasteless as that idea is.
-  ac_test_CXXFLAGS="${CXXFLAGS+set}"
-  ac_save_CXXFLAGS="$CXXFLAGS"
-  CXXFLAGS=
-  AC_PROG_CXX_G
-  if test "$ac_test_CXXFLAGS" = set; then
-    CXXFLAGS="$ac_save_CXXFLAGS"
-  elif test $ac_cv_prog_cxx_g = yes; then
-    CXXFLAGS="-g -O2"
-  else
-    CXXFLAGS="-O2"
-  fi
-else
-  GXX=
-  test "${CXXFLAGS+set}" = set || CXXFLAGS="-g"
-fi
-])
-
-LIB_AC_PROG_CXX
-
-# AC_CHECK_TOOL does AC_REQUIRE (AC_CANONICAL_BUILD).  If we don't
-# run it explicitly here, it will be run implicitly before
-# NEWLIB_CONFIGURE, which doesn't work because that means that it will
-# be run before AC_CANONICAL_HOST.
-AC_CANONICAL_BUILD
-
-AC_CHECK_TOOL(AS, as)
-AC_CHECK_TOOL(AR, ar)
-AC_CHECK_TOOL(RANLIB, ranlib, :)
-
-AC_PROG_INSTALL
-
-AM_MAINTAINER_MODE
-
-# We need AC_EXEEXT to keep automake happy in cygnus mode.  However,
-# at least currently, we never actually build a program, so we never
-# need to use $(EXEEXT).  Moreover, the test for EXEEXT normally
-# fails, because we are probably configuring with a cross compiler
-# which can't create executables.  So we include AC_EXEEXT to keep
-# automake happy, but we don't execute it, since we don't care about
-# the result.
-if false; then
-  AC_EXEEXT
-fi
-
-. [$]{boehm_gc_basedir}/configure.host
-
-case [$]{boehm_gc_basedir} in
-/* | [A-Za-z]:[/\\]*) boehm_gc_flagbasedir=[$]{boehm_gc_basedir} ;;
-*) boehm_gc_flagbasedir='[$](top_builddir)/'[$]{boehm_gc_basedir} ;;
-esac
-
-boehm_gc_cflags="[$]{boehm_gc_cflags} -I"'[$](top_builddir)'"/$1/targ-include -I[$]{boehm_gc_flagbasedir}/libc/include"
-case "${host}" in
-  *-*-cygwin32*)
-    boehm_gc_cflags="[$]{boehm_gc_cflags} -I[$]{boehm_gc_flagbasedir}/../winsup/include"
-    ;;
-esac
-
-boehm_gc_cflags="[$]{boehm_gc_cflags} -fno-builtin"
-
-BOEHM_GC_CFLAGS=${boehm_gc_cflags}
-AC_SUBST(BOEHM_GC_CFLAGS)
-]))
-
-))))
-
-# Do all the work for Automake.  This macro actually does too much --
-# some checks are only needed if your package does certain things.
-# But this isn't really a big deal.
-
-# serial 1
-
-dnl Usage:
-dnl AM_INIT_AUTOMAKE(package,version, [no-define])
-
-AC_DEFUN(AM_INIT_AUTOMAKE,
-[AC_REQUIRE([AC_PROG_INSTALL])
-PACKAGE=[$1]
-AC_SUBST(PACKAGE)
-VERSION=[$2]
-AC_SUBST(VERSION)
-dnl test to see if srcdir already configured
-if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then
-  AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
-fi
-ifelse([$3],,
-AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
-AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package]))
-AC_REQUIRE([AM_SANITY_CHECK])
-AC_REQUIRE([AC_ARG_PROGRAM])
-dnl FIXME This is truly gross.
-missing_dir=`cd $ac_aux_dir && pwd`
-AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)
-AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
-AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir)
-AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir)
-AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir)
-AC_REQUIRE([AC_PROG_MAKE_SET])])
-
-#
-# Check to make sure that the build environment is sane.
-#
-
-AC_DEFUN(AM_SANITY_CHECK,
-[AC_MSG_CHECKING([whether build environment is sane])
-# Just in case
-sleep 1
-echo timestamp > conftestfile
-# Do `set' in a subshell so we don't clobber the current shell's
-# arguments.  Must try -L first in case configure is actually a
-# symlink; some systems play weird games with the mod time of symlinks
-# (eg FreeBSD returns the mod time of the symlink's containing
-# directory).
-if (
-   set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null`
-   if test "[$]*" = "X"; then
-      # -L didn't work.
-      set X `ls -t $srcdir/configure conftestfile`
-   fi
-   if test "[$]*" != "X $srcdir/configure conftestfile" \
-      && test "[$]*" != "X conftestfile $srcdir/configure"; then
-
-      # If neither matched, then we have a broken ls.  This can happen
-      # if, for instance, CONFIG_SHELL is bash and it inherits a
-      # broken ls alias from the environment.  This has actually
-      # happened.  Such a system could not be considered "sane".
-      AC_MSG_ERROR([ls -t appears to fail.  Make sure there is not a broken
-alias in your environment])
-   fi
-
-   test "[$]2" = conftestfile
-   )
-then
-   # Ok.
-   :
-else
-   AC_MSG_ERROR([newly created file is older than distributed files!
-Check your system clock])
-fi
-rm -f conftest*
-AC_MSG_RESULT(yes)])
-
-dnl AM_MISSING_PROG(NAME, PROGRAM, DIRECTORY)
-dnl The program must properly implement --version.
-AC_DEFUN(AM_MISSING_PROG,
-[AC_MSG_CHECKING(for working $2)
-# Run test in a subshell; some versions of sh will print an error if
-# an executable is not found, even if stderr is redirected.
-# Redirect stdin to placate older versions of autoconf.  Sigh.
-if ($2 --version) < /dev/null > /dev/null 2>&1; then
-   $1=$2
-   AC_MSG_RESULT(found)
-else
-   $1="$3/missing $2"
-   AC_MSG_RESULT(missing)
-fi
-AC_SUBST($1)])
-
-# Add --enable-maintainer-mode option to configure.
-# From Jim Meyering
-
-# serial 1
-
-AC_DEFUN(AM_MAINTAINER_MODE,
-[AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
-  dnl maintainer-mode is disabled by default
-  AC_ARG_ENABLE(maintainer-mode,
-[  --enable-maintainer-mode enable make rules and dependencies not useful
-                          (and sometimes confusing) to the casual installer],
-      USE_MAINTAINER_MODE=$enableval,
-      USE_MAINTAINER_MODE=no)
-  AC_MSG_RESULT($USE_MAINTAINER_MODE)
-  AM_CONDITIONAL(MAINTAINER_MODE, test $USE_MAINTAINER_MODE = yes)
-  MAINT=$MAINTAINER_MODE_TRUE
-  AC_SUBST(MAINT)dnl
-]
-)
-
-# Define a conditional.
-
-AC_DEFUN(AM_CONDITIONAL,
-[AC_SUBST($1_TRUE)
-AC_SUBST($1_FALSE)
-if $2; then
-  $1_TRUE=
-  $1_FALSE='#'
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-  $1_TRUE='#'
-  $1_FALSE=
-fi])
-
diff --git a/boehm-gc/configure b/boehm-gc/configure
deleted file mode 100755
index cbbc4d236d5..00000000000
--- a/boehm-gc/configure
+++ /dev/null
@@ -1,2189 +0,0 @@
-#! /bin/sh
-
-# Guess values for system-dependent variables and create Makefiles.
-# Generated automatically using autoconf version 2.13 
-# Copyright (C) 1992, 93, 94, 95, 96 Free Software Foundation, Inc.
-#
-# This configure script is free software; the Free Software Foundation
-# gives unlimited permission to copy, distribute and modify it.
-
-# Defaults:
-ac_help=
-ac_default_prefix=/usr/local
-# Any additions from configure.in:
-ac_help="$ac_help
-  --enable-multilib         build many library versions (default)"
-ac_help="$ac_help
-  --enable-maintainer-mode enable make rules and dependencies not useful
-                          (and sometimes confusing) to the casual installer"
-ac_help="$ac_help
-  --with-target-subdir=SUBDIR      Configuring with a cross compiler"
-ac_help="$ac_help
-  --with-cross-host=HOST           Configuring with a cross compiler"
-ac_help="$ac_help
-  --enable-maintainer-mode enable make rules and dependencies not useful
-                          (and sometimes confusing) to the casual installer"
-ac_help="$ac_help
-  --enable-threads=TYPE    choose threading package"
-ac_help="$ac_help
-  --enable-java-gc=TYPE    choose garbage collector [boehm]"
-ac_help="$ac_help
-  --with-ecos      Enable runtime eCos target support."
-
-# Initialize some variables set by options.
-# The variables have the same names as the options, with
-# dashes changed to underlines.
-build=NONE
-cache_file=./config.cache
-exec_prefix=NONE
-host=NONE
-no_create=
-nonopt=NONE
-no_recursion=
-prefix=NONE
-program_prefix=NONE
-program_suffix=NONE
-program_transform_name=s,x,x,
-silent=
-site=
-srcdir=
-target=NONE
-verbose=
-x_includes=NONE
-x_libraries=NONE
-bindir='${exec_prefix}/bin'
-sbindir='${exec_prefix}/sbin'
-libexecdir='${exec_prefix}/libexec'
-datadir='${prefix}/share'
-sysconfdir='${prefix}/etc'
-sharedstatedir='${prefix}/com'
-localstatedir='${prefix}/var'
-libdir='${exec_prefix}/lib'
-includedir='${prefix}/include'
-oldincludedir='/usr/include'
-infodir='${prefix}/info'
-mandir='${prefix}/man'
-
-# Initialize some other variables.
-subdirs=
-MFLAGS= MAKEFLAGS=
-SHELL=${CONFIG_SHELL-/bin/sh}
-# Maximum number of lines to put in a shell here document.
-ac_max_here_lines=12
-
-ac_prev=
-for ac_option
-do
-
-  # If the previous option needs an argument, assign it.
-  if test -n "$ac_prev"; then
-    eval "$ac_prev=\$ac_option"
-    ac_prev=
-    continue
-  fi
-
-  case "$ac_option" in
-  -*=*) ac_optarg=`echo "$ac_option" | sed 's/[-_a-zA-Z0-9]*=//'` ;;
-  *) ac_optarg= ;;
-  esac
-
-  # Accept the important Cygnus configure options, so we can diagnose typos.
-
-  case "$ac_option" in
-
-  -bindir | --bindir | --bindi | --bind | --bin | --bi)
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-  -bindir=* | --bindir=* | --bindi=* | --bind=* | --bin=* | --bi=*)
-    bindir="$ac_optarg" ;;
-
-  -build | --build | --buil | --bui | --bu)
-    ac_prev=build ;;
-  -build=* | --build=* | --buil=* | --bui=* | --bu=*)
-    build="$ac_optarg" ;;
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-    ac_prev=cache_file ;;
-  -cache-file=* | --cache-file=* | --cache-fil=* | --cache-fi=* \
-  | --cache-f=* | --cache-=* | --cache=* | --cach=* | --cac=* | --ca=* | --c=*)
-    cache_file="$ac_optarg" ;;
-
-  -datadir | --datadir | --datadi | --datad | --data | --dat | --da)
-    ac_prev=datadir ;;
-  -datadir=* | --datadir=* | --datadi=* | --datad=* | --data=* | --dat=* \
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-    datadir="$ac_optarg" ;;
-
-  -disable-* | --disable-*)
-    ac_feature=`echo $ac_option|sed -e 's/-*disable-//'`
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-    fi
-    ac_feature=`echo $ac_feature| sed 's/-/_/g'`
-    eval "enable_${ac_feature}=no" ;;
-
-  -enable-* | --enable-*)
-    ac_feature=`echo $ac_option|sed -e 's/-*enable-//' -e 's/=.*//'`
-    # Reject names that are not valid shell variable names.
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-      { echo "configure: error: $ac_feature: invalid feature name" 1>&2; exit 1; }
-    fi
-    ac_feature=`echo $ac_feature| sed 's/-/_/g'`
-    case "$ac_option" in
-      *=*) ;;
-      *) ac_optarg=yes ;;
-    esac
-    eval "enable_${ac_feature}='$ac_optarg'" ;;
-
-  -exec-prefix | --exec_prefix | --exec-prefix | --exec-prefi \
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-    ac_prev=exec_prefix ;;
-  -exec-prefix=* | --exec_prefix=* | --exec-prefix=* | --exec-prefi=* \
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-  | --exec=* | --exe=* | --ex=*)
-    exec_prefix="$ac_optarg" ;;
-
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-    # Omit some internal or obsolete options to make the list less imposing.
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-Usage: configure [options] [host]
-Options: [defaults in brackets after descriptions]
-Configuration:
-  --cache-file=FILE       cache test results in FILE
-  --help                  print this message
-  --no-create             do not create output files
-  --quiet, --silent       do not print \`checking...' messages
-  --version               print the version of autoconf that created configure
-Directory and file names:
-  --prefix=PREFIX         install architecture-independent files in PREFIX
-                          [$ac_default_prefix]
-  --exec-prefix=EPREFIX   install architecture-dependent files in EPREFIX
-                          [same as prefix]
-  --bindir=DIR            user executables in DIR [EPREFIX/bin]
-  --sbindir=DIR           system admin executables in DIR [EPREFIX/sbin]
-  --libexecdir=DIR        program executables in DIR [EPREFIX/libexec]
-  --datadir=DIR           read-only architecture-independent data in DIR
-                          [PREFIX/share]
-  --sysconfdir=DIR        read-only single-machine data in DIR [PREFIX/etc]
-  --sharedstatedir=DIR    modifiable architecture-independent data in DIR
-                          [PREFIX/com]
-  --localstatedir=DIR     modifiable single-machine data in DIR [PREFIX/var]
-  --libdir=DIR            object code libraries in DIR [EPREFIX/lib]
-  --includedir=DIR        C header files in DIR [PREFIX/include]
-  --oldincludedir=DIR     C header files for non-gcc in DIR [/usr/include]
-  --infodir=DIR           info documentation in DIR [PREFIX/info]
-  --mandir=DIR            man documentation in DIR [PREFIX/man]
-  --srcdir=DIR            find the sources in DIR [configure dir or ..]
-  --program-prefix=PREFIX prepend PREFIX to installed program names
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-  --program-transform-name=PROGRAM
-                          run sed PROGRAM on installed program names
-EOF
-    cat << EOF
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-  --host=HOST             configure for HOST [guessed]
-  --target=TARGET         configure for TARGET [TARGET=HOST]
-Features and packages:
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-  --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
-  --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
-  --without-PACKAGE       do not use PACKAGE (same as --with-PACKAGE=no)
-  --x-includes=DIR        X include files are in DIR
-  --x-libraries=DIR       X library files are in DIR
-EOF
-    if test -n "$ac_help"; then
-      echo "--enable and --with options recognized:$ac_help"
-    fi
-    exit 0 ;;
-
-  -host | --host | --hos | --ho)
-    ac_prev=host ;;
-  -host=* | --host=* | --hos=* | --ho=*)
-    host="$ac_optarg" ;;
-
-  -includedir | --includedir | --includedi | --included | --include \
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-  -includedir=* | --includedir=* | --includedi=* | --included=* | --include=* \
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-    includedir="$ac_optarg" ;;
-
-  -infodir | --infodir | --infodi | --infod | --info | --inf)
-    ac_prev=infodir ;;
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-    ac_prev=libdir ;;
-  -libdir=* | --libdir=* | --libdi=* | --libd=*)
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-  -localstatedir=* | --localstatedir=* | --localstatedi=* | --localstated=* \
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-target_alias=$target
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-  case $nonopt in
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-target=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $target_alias`
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-echo "configure:631: checking build system type" >&5
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-build_alias=$build
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-build=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $build_alias`
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-      # by default.
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-	    # AIX install.  It has an incompatible calling convention.
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-	    ac_cv_path_install="$ac_dir/$ac_prog -c"
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-	  fi
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-fi
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-echo $ac_n "checking whether build environment is sane""... $ac_c" 1>&6
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-   test "$2" = conftestfile
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-   # Ok.
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-   { echo "configure: error: newly created file is older than distributed files!
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-rm -f conftest*
-echo "$ac_t""yes" 1>&6
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-  # Double any \ or $.  echo might interpret backslashes.
-  cat <<\EOF_SED > conftestsed
-s,\\,\\\\,g; s,\$,$$,g
-EOF_SED
-  program_transform_name="`echo $program_transform_name|sed -f conftestsed`"
-  rm -f conftestsed
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-echo $ac_n "checking whether ${MAKE-make} sets \${MAKE}""... $ac_c" 1>&6
-echo "configure:776: checking whether ${MAKE-make} sets \${MAKE}" >&5
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-PACKAGE=boehm-gc
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-missing_dir=`cd $ac_aux_dir && pwd`
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-echo $ac_n "checking for working autoconf""... $ac_c" 1>&6
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-# Run test in a subshell; some versions of sh will print an error if
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-echo "configure:975: checking for working autoheader" >&5
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-
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-# Find a good install program.  We prefer a C program (faster),
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-      # OSF1 and SCO ODT 3.0 have their own names for install.
-      # Don't use installbsd from OSF since it installs stuff as root
-      # by default.
-      for ac_prog in ginstall scoinst install; do
-        if test -f $ac_dir/$ac_prog; then
-	  if test $ac_prog = install &&
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-	    # AIX install.  It has an incompatible calling convention.
-	    :
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-	    ac_cv_path_install="$ac_dir/$ac_prog -c"
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-  done
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-fi
-  if test "${ac_cv_path_install+set}" = set; then
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-    # As a last resort, use the slow shell script.  We don't cache a
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-# We need AC_EXEEXT to keep automake happy in cygnus mode.  However,
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-echo $ac_n "checking for executable suffix""... $ac_c" 1>&6
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-  if test "$CYGWIN" = yes || test "$MINGW32" = yes; then
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-  ac_cv_exeext=
-  if { (eval echo configure:1502: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
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-      *) ac_cv_exeext=`echo $file | sed -e s/conftest//` ;;
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-    done
-  else
-    { echo "configure: error: installation or configuration problem: compiler cannot create executables." 1>&2; exit 1; }
-  fi
-  rm -f conftest*
-  test x"${ac_cv_exeext}" = x && ac_cv_exeext=no
-fi
-fi
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-EXEEXT=""
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-echo "$ac_t""${ac_cv_exeext}" 1>&6
-ac_exeext=$EXEEXT
-
-fi
-
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-
-case ${boehm_gc_basedir} in
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-*) boehm_gc_flagbasedir='$(top_builddir)/'${boehm_gc_basedir} ;;
-esac
-
-boehm_gc_cflags="${boehm_gc_cflags} -I"'$(top_builddir)'"/./targ-include -I${boehm_gc_flagbasedir}/libc/include"
-case "${host}" in
-  *-*-cygwin32*)
-    boehm_gc_cflags="${boehm_gc_cflags} -I${boehm_gc_flagbasedir}/../winsup/include"
-    ;;
-esac
-
-boehm_gc_cflags="${boehm_gc_cflags} -fno-builtin"
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-BOEHM_GC_CFLAGS=${boehm_gc_cflags}
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-# Check whether --with-target-subdir or --without-target-subdir was given.
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-fi
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-# Check whether --with-cross-host or --without-cross-host was given.
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-echo $ac_n "checking whether to enable maintainer-specific portions of Makefiles""... $ac_c" 1>&6
-echo "configure:1558: checking whether to enable maintainer-specific portions of Makefiles" >&5
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-  echo "$ac_t""$USE_MAINTAINER_MODE" 1>&6
-  
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-if test $USE_MAINTAINER_MODE = yes; then
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-  MAINTAINER_MODE_TRUE='#'
-  MAINTAINER_MODE_FALSE=
-fi
-  MAINT=$MAINTAINER_MODE_TRUE
-  
-
-# automake wants to see AC_EXEEXT.  But we don't need it.  And having
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-if test "x" = "y"; then
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-
-echo $ac_n "checking for executable suffix""... $ac_c" 1>&6
-echo "configure:1587: checking for executable suffix" >&5
-if eval "test \"`echo '$''{'ac_cv_exeext'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
-else
-  if test "$CYGWIN" = yes || test "$MINGW32" = yes; then
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-  rm -f conftest*
-  echo 'int main () { return 0; }' > conftest.$ac_ext
-  ac_cv_exeext=
-  if { (eval echo configure:1597: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
-    for file in conftest.*; do
-      case $file in
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-      *) ac_cv_exeext=`echo $file | sed -e s/conftest//` ;;
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-    done
-  else
-    { echo "configure: error: installation or configuration problem: compiler cannot create executables." 1>&2; exit 1; }
-  fi
-  rm -f conftest*
-  test x"${ac_cv_exeext}" = x && ac_cv_exeext=no
-fi
-fi
-
-EXEEXT=""
-test x"${ac_cv_exeext}" != xno && EXEEXT=${ac_cv_exeext}
-echo "$ac_t""${ac_cv_exeext}" 1>&6
-ac_exeext=$EXEEXT
-
-fi
-
-echo $ac_n "checking for threads package to use""... $ac_c" 1>&6
-echo "configure:1620: checking for threads package to use" >&5
-# Check whether --enable-threads or --disable-threads was given.
-if test "${enable_threads+set}" = set; then
-  enableval="$enable_threads"
-  THREADS=$enableval
-else
-    THREADS=no
-fi
-
-
-if test "$THREADS" = yes; then
-   case "$host" in
-    *-*-vxworks*)
-       THREADS=vxworks
-       ;;
-    *-*-linux*)
-       # FIXME: this isn't correct in all cases.
-       THREADS=posix
-       ;;
-    *-*-win*)
-       THREADS=win32
-       ;;
-    *-*-irix*)
-       THREADS=irix
-       ;;
-    *-*-solaris*)
-       # FIXME: for now, choose POSIX, because we implement that.
-       # Later, choose solaris threads.
-       THREADS=posix
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-    *)
-       # For now.
-       THREADS=none
-       ;;
-   esac
-fi
-
-INCLUDES=
-case "$THREADS" in
- no | none | single)
-    THREADS=none
-    ;;
- posix | pthreads)
-    THREADS=posix
-    case "$host" in
-     *-*-linux*)
-	cat >> confdefs.h <<\EOF
-#define LINUX_THREADS 1
-EOF
-
-	cat >> confdefs.h <<\EOF
-#define _REENTRANT 1
-EOF
-
-	;;
-     *-*-solaris*)
-	cat >> confdefs.h <<\EOF
-#define SOLARIS_THREADS 1
-EOF
-
-	cat >> confdefs.h <<\EOF
-#define _SOLARIS_PTHREADS 1
-EOF
-
-	;;
-    esac
-    ;;
- qt)
-    cat >> confdefs.h <<\EOF
-#define QUICK_THREADS 1
-EOF
-
-    INCLUDES="-I${boehm_gc_basedir}/../qthreads"
-    ;;
- decosf1 | irix | mach | os2 | solaris | win32 | dce | vxworks)
-    { echo "configure: error: thread package $THREADS not yet supported" 1>&2; exit 1; }
-    ;;
- *)
-    { echo "configure: error: $THREADS is an unknown thread package" 1>&2; exit 1; }
-    ;;
-esac
-echo "$ac_t""$THREADS" 1>&6
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-# Check whether --enable-java-gc or --disable-java-gc was given.
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-  
-  GC=$enableval
-else
-  GC=boehm
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-target_all=
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-TARGET_ECOS="no"
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-
-fi
-
-
-addobjs=
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-case "$TARGET_ECOS" in
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-      cat >> confdefs.h <<\EOF
-#define ECOS 1
-EOF
-
-      CXXINCLUDES="-I${TARGET_ECOS}/include"
-      addobjs="$addobjs ecos.o"
-      ;;
-esac
-
-
-
-
-
-machdep=
-case "$host" in
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-    cat >> confdefs.h <<\EOF
-#define STACKBASE __stackbase
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-
-    cat >> confdefs.h <<\EOF
-#define DATASTART_IS_ETEXT 1
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-
-    ;;
- sparc-sun-solaris2.3*)
-    cat >> confdefs.h <<\EOF
-#define SUNOS53_SHARED_LIB 1
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-
-    ;;
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-
-case "$host" in
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-       CFLAGS="$new_CFLAGS"
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-MY_CFLAGS="$CFLAGS"
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-
-cat >> confdefs.h <<\EOF
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-cat >> confdefs.h <<\EOF
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-
-cat >> confdefs.h <<\EOF
-#define NO_DEBUGGING 1
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-cat >> confdefs.h <<\EOF
-#define JAVA_FINALIZATION 1
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-
-
-
-if test -n "${with_cross_host}"; then
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-#define NO_SIGSET 1
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-   cat >> confdefs.h <<\EOF
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-   cat >> confdefs.h <<\EOF
-#define SMALL_CONFIG 1
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-
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-    # `set' quotes correctly as required by POSIX, so do not add quotes.
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-if cmp -s $cache_file confcache; then
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-    echo "not updating unwritable cache $cache_file"
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-test "x$prefix" = xNONE && prefix=$ac_default_prefix
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-# Any assignment to VPATH causes Sun make to only execute
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-
-trap 'rm -f $CONFIG_STATUS conftest*; exit 1' 1 2 15
-
-# Transform confdefs.h into DEFS.
-# Protect against shell expansion while executing Makefile rules.
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-s%\[%\\&%g
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-DEFS=`sed -f conftest.defs confdefs.h | tr '\012' ' '`
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-
-# Without the "./", some shells look in PATH for config.status.
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-echo creating $CONFIG_STATUS
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-ac_cs_usage="Usage: $CONFIG_STATUS [--recheck] [--version] [--help]"
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-ac_given_srcdir=$srcdir
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-trap 'rm -fr `echo "Makefile" | sed "s/:[^ ]*//g"` conftest*; exit 1' 1 2 15
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-cat >> $CONFIG_STATUS <<EOF
-
-# Protect against being on the right side of a sed subst in config.status.
-sed 's/%@/@@/; s/@%/@@/; s/%g\$/@g/; /@g\$/s/[\\\\&%]/\\\\&/g;
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-      ac_sed_cmds="sed -f conftest.s$ac_file"
-    else
-      ac_sed_cmds="$ac_sed_cmds | sed -f conftest.s$ac_file"
-    fi
-    ac_file=`expr $ac_file + 1`
-    ac_beg=$ac_end
-    ac_end=`expr $ac_end + $ac_max_sed_cmds`
-  fi
-done
-if test -z "$ac_sed_cmds"; then
-  ac_sed_cmds=cat
-fi
-EOF
-
-cat >> $CONFIG_STATUS <<EOF
-
-CONFIG_FILES=\${CONFIG_FILES-"Makefile"}
-EOF
-cat >> $CONFIG_STATUS <<\EOF
-for ac_file in .. $CONFIG_FILES; do if test "x$ac_file" != x..; then
-  # Support "outfile[:infile[:infile...]]", defaulting infile="outfile.in".
-  case "$ac_file" in
-  *:*) ac_file_in=`echo "$ac_file"|sed 's%[^:]*:%%'`
-       ac_file=`echo "$ac_file"|sed 's%:.*%%'` ;;
-  *) ac_file_in="${ac_file}.in" ;;
-  esac
-
-  # Adjust a relative srcdir, top_srcdir, and INSTALL for subdirectories.
-
-  # Remove last slash and all that follows it.  Not all systems have dirname.
-  ac_dir=`echo $ac_file|sed 's%/[^/][^/]*$%%'`
-  if test "$ac_dir" != "$ac_file" && test "$ac_dir" != .; then
-    # The file is in a subdirectory.
-    test ! -d "$ac_dir" && mkdir "$ac_dir"
-    ac_dir_suffix="/`echo $ac_dir|sed 's%^\./%%'`"
-    # A "../" for each directory in $ac_dir_suffix.
-    ac_dots=`echo $ac_dir_suffix|sed 's%/[^/]*%../%g'`
-  else
-    ac_dir_suffix= ac_dots=
-  fi
-
-  case "$ac_given_srcdir" in
-  .)  srcdir=.
-      if test -z "$ac_dots"; then top_srcdir=.
-      else top_srcdir=`echo $ac_dots|sed 's%/$%%'`; fi ;;
-  /*) srcdir="$ac_given_srcdir$ac_dir_suffix"; top_srcdir="$ac_given_srcdir" ;;
-  *) # Relative path.
-    srcdir="$ac_dots$ac_given_srcdir$ac_dir_suffix"
-    top_srcdir="$ac_dots$ac_given_srcdir" ;;
-  esac
-
-  case "$ac_given_INSTALL" in
-  [/$]*) INSTALL="$ac_given_INSTALL" ;;
-  *) INSTALL="$ac_dots$ac_given_INSTALL" ;;
-  esac
-
-  echo creating "$ac_file"
-  rm -f "$ac_file"
-  configure_input="Generated automatically from `echo $ac_file_in|sed 's%.*/%%'` by configure."
-  case "$ac_file" in
-  *Makefile*) ac_comsub="1i\\
-# $configure_input" ;;
-  *) ac_comsub= ;;
-  esac
-
-  ac_file_inputs=`echo $ac_file_in|sed -e "s%^%$ac_given_srcdir/%" -e "s%:% $ac_given_srcdir/%g"`
-  sed -e "$ac_comsub
-s%@configure_input@%$configure_input%g
-s%@srcdir@%$srcdir%g
-s%@top_srcdir@%$top_srcdir%g
-s%@INSTALL@%$INSTALL%g
-" $ac_file_inputs | (eval "$ac_sed_cmds") > $ac_file
-fi; done
-rm -f conftest.s*
-
-EOF
-
-cat >> $CONFIG_STATUS <<EOF
-ac_sources="config.h"
-ac_dests="boehm-config.h"
-EOF
-
-cat >> $CONFIG_STATUS <<\EOF
-srcdir=$ac_given_srcdir
-while test -n "$ac_sources"; do
-  set $ac_dests; ac_dest=$1; shift; ac_dests=$*
-  set $ac_sources; ac_source=$1; shift; ac_sources=$*
-
-  echo "linking $srcdir/$ac_source to $ac_dest"
-
-  if test ! -r $srcdir/$ac_source; then
-    { echo "configure: error: $srcdir/$ac_source: File not found" 1>&2; exit 1; }
-  fi
-  rm -f $ac_dest
-
-  # Make relative symlinks.
-  # Remove last slash and all that follows it.  Not all systems have dirname.
-  ac_dest_dir=`echo $ac_dest|sed 's%/[^/][^/]*$%%'`
-  if test "$ac_dest_dir" != "$ac_dest" && test "$ac_dest_dir" != .; then
-    # The dest file is in a subdirectory.
-    test ! -d "$ac_dest_dir" && mkdir "$ac_dest_dir"
-    ac_dest_dir_suffix="/`echo $ac_dest_dir|sed 's%^\./%%'`"
-    # A "../" for each directory in $ac_dest_dir_suffix.
-    ac_dots=`echo $ac_dest_dir_suffix|sed 's%/[^/]*%../%g'`
-  else
-    ac_dest_dir_suffix= ac_dots=
-  fi
-
-  case "$srcdir" in
-  [/$]*) ac_rel_source="$srcdir/$ac_source" ;;
-  *) ac_rel_source="$ac_dots$srcdir/$ac_source" ;;
-  esac
-
-  # Make a symlink if possible; otherwise try a hard link.
-  if ln -s $ac_rel_source $ac_dest 2>/dev/null ||
-    ln $srcdir/$ac_source $ac_dest; then :
-  else
-    { echo "configure: error: can not link $ac_dest to $srcdir/$ac_source" 1>&2; exit 1; }
-  fi
-done
-EOF
-cat >> $CONFIG_STATUS <<EOF
-srcdir=${srcdir}
-host=${host}
-target=${target}
-with_multisubdir=${with_multisubdir}
-ac_configure_args="${multilib_arg} ${ac_configure_args}"
-CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
-boehm_gc_basedir=${boehm_gc_basedir}
-CC="${CC}"
-DEFS="$DEFS"
-
-EOF
-cat >> $CONFIG_STATUS <<\EOF
-
-echo "$DEFS" > boehm-cflags
-
-if test -n "$CONFIG_FILES"; then
-  ac_file=Makefile . ${boehm_gc_basedir}/../config-ml.in
-fi
-exit 0
-EOF
-chmod +x $CONFIG_STATUS
-rm -fr confdefs* $ac_clean_files
-test "$no_create" = yes || ${CONFIG_SHELL-/bin/sh} $CONFIG_STATUS || exit 1
-
diff --git a/boehm-gc/configure.host b/boehm-gc/configure.host
deleted file mode 100644
index 1903242fec4..00000000000
--- a/boehm-gc/configure.host
+++ /dev/null
@@ -1,43 +0,0 @@
-# configure.host
-
-# This shell script handles all host based configuration for boehm_gc.
-# It sets various shell variables based on the the host and the
-# configuration options.  You can modify this shell script without
-# needing to rerun autoconf.
-
-# This shell script should be invoked as
-#   . configure.host
-# If it encounters an error, it will exit with a message.
-
-# It uses the following shell variables:
-#   host		The configuration host
-#   host_cpu		The configuration host CPU
-#   target_optspace	--enable-target-optspace ("yes", "no", "")
-
-# It sets the following shell variables:
-#   boehm_gc_cflags	Special CFLAGS to use when building
-
-boehm_gc_cflags=
-
-case "${target_optspace}:${host}" in
-  yes:*)
-    boehm_gc_cflags="${boehm_gc_cflags} -Os"
-    ;;
-  :m32r-* | :d10v-* | :d30v-*)
-    boehm_gc_cflags="${boehm_gc_cflags} -Os"
-    ;;
-  no:* | :*)
-    # Nothing.
-    ;;
-esac
-
-# Set any host dependent compiler flags.
-# THIS TABLE IS SORTED.  KEEP IT THAT WAY.
-
-case "${host}" in
-  mips-tx39-*|mipstx39-unknown-*)
-	boehm_gc_cflags="${boehm_gc_cflags} -G 0"
-	;;
-  *)
-	;;
-esac
diff --git a/boehm-gc/doc/README.debugging b/boehm-gc/doc/README.debugging
new file mode 100644
index 00000000000..f4dd65676aa
--- /dev/null
+++ b/boehm-gc/doc/README.debugging
@@ -0,0 +1,68 @@
+Debugging suggestions:
+
+****If you get a segmentation fault or bus error while debugging with a debugger:
+If the fault occurred in GC_find_limit, or with incremental collection enabled, this is probably normal.  The collector installs handlers to take care of these.  You will not see these unless you are using a debugger.  Your debugger should allow you to continue.  It's preferable to tell the debugger to ignore SIGBUS and SIGSEGV ("handle" in gdb, "ignore" in most versions of dbx) and set a breakpoint in abort.  The collector will call abort if the signal had another cause, and there was not other handler previously installed.  I recommend debugging without incremental collection if possible.  (This applies directly to UNIX systems.  Debugging with incremental collection under win32 is worse.  See README.win32.)  
+
+****If you get warning messages informing you that the collector needed to allocate blacklisted blocks:
+
+0) Ignore these warnings while you are using GC_DEBUG.  Some of the routines mentioned below don't have debugging equivalents.  (Alternatively, write the missing routines and send them to me.)
+
+1) Replace allocator calls that request large blocks with calls to GC_malloc_ignore_off_page or GC_malloc_atomic_ignore_off_page.  You may want to set a breakpoint in GC_default_warn_proc to help you identify such calls.  Make sure that a pointer to somewhere near the beginning of the resulting block is maintained in a (preferably volatile) variable as long as the block is needed.
+
+2) If the large blocks are allocated with realloc, I suggest instead allocating them with something like the following.  Note that the realloc size increment should be fairly large (e.g. a factor of 3/2) for this to exhibit reasonable performance.  But we all know we should do that anyway.
+
+void * big_realloc(void *p, size_t new_size)
+{
+    size_t old_size = GC_size(p);
+    void * result;
+ 
+    if (new_size <= 10000) return(GC_realloc(p, new_size));
+    if (new_size <= old_size) return(p);
+    result = GC_malloc_ignore_off_page(new_size);
+    if (result == 0) return(0);
+    memcpy(result,p,old_size);
+    GC_free(p);
+    return(result);
+}
+
+3) In the unlikely case that even relatively small object (<20KB) allocations are triggering these warnings, then your address space contains lots of "bogus pointers", i.e. values that appear to be pointers but aren't.  Usually this can be solved by using GC_malloc_atomic or the routines in gc_typed.h to allocate large pointerfree regions of bitmaps, etc.  Sometimes the problem can be solved with trivial changes of encoding in certain values.  It is possible, though not pleasant, to identify the source of the bogus pointers by setting a breakpoint in GC_add_to_black_list_stack, and looking at the value of current_p in the GC_mark_from_mark_stack frame.  Current_p contains the address of the bogus pointer.
+
+4) If you get only a fixed number of these warnings, you are probably only introducing a bounded leak by ignoring them.  If the data structures being allocated are intended to be permanent, then it is also safe to ignore them.  The warnings can be turned off by calling GC_set_warn_proc with a procedure that ignores these warnings (e.g. by doing absolutely nothing).
+
+
+****If the collector dies in GC_malloc while trying to remove a free list element:
+
+1) With > 99% probability, you wrote past the end of an allocated object.  Try setting GC_DEBUG and using the debugging facilities in gc.h.
+
+
+****If the heap grows too much:
+
+1) Consider using GC_malloc_atomic for objects containing nonpointers.  This is especially important for large arrays containg compressed data, pseudo-random numbers, and the like.  (This isn't all that likely to solve your problem, but it's a useful and easy optimization anyway, and this is a good time to try it.)   If you allocate large objects containg only one or two pointers at the beginning, either try the typed allocation primitives is gc.h, or separate out the pointerfree component.
+2) If you are using the collector in its default mode, with interior pointer recognition enabled, consider using GC_malloc_ignore_off_page to allocate large objects.  (See gc.h and above for details.  Large means > 100K in most environments.)
+3) GC_print_block_list() will print a list of all currently allocated heap blocks and what size objects they contain.  GC_print_hblkfreelist() will print a list of free heap blocks, and whether they are blacklisted.  GC_dump calls both of these, and also prints information about heap sections, and root segments.
+4) Build the collector with -DKEEP_BACK_PTRS, and use the backptr.h
+interface to determine why objects are being retained.
+
+
+****If the collector appears to be losing objects:
+
+1) Replace all calls to GC_malloc_atomic and typed allocation by GC_malloc calls.  If this fixes the problem, gradually reinsert your optimizations.
+2) You may also want to try the safe(r) pointer manipulation primitives in gc.h.  But those are hard to use until the preprocessor becomes available.
+3) Try using the GC_DEBUG facilities.  This is less likely to be successful here than if the collector crashes.
+[The rest of these are primarily for wizards.  You shouldn't need them unless you're doing something really strange, or debugging a collector port.]
+4) Don't turn on incremental collection.  If that fixes the problem, suspect a bug in the dirty bit implementation.  Try compiling with -DCHECKSUMS to check for modified, but supposedly clean, pages.
+5) On a SPARC, in a single-threaded environment, GC_print_callers(GC_arrays._last_stack) prints a cryptic stack trace as of the time of the last collection.  (You will need a debugger to decipher the result.)  The question to ask then is "why should this object have been accessible at the time of the last collection?  Where was a pointer to it stored?".  This facility should be easy to add for some other collector ports (namely if it's easy to traverse stack frames), but will be hard for others.
+6) "print *GC_find_header(p)" in dbx or gdb will print the garbage collector block header information associated with the object p (e.g. object size, etc.)
+7) GC_is_marked(p) determines whether p is the base address of a marked object.  Note that objects allocated since the last collection should not be marked, and that unmarked objects are reclaimed incrementally.  It's usually most interesting to set a breakpoint in GC_finish_collection and then to determine how much of the damaged data structure is marked at that point.
+8) Look at the tracing facility in mark.c.  (Ignore this suggestion unless you are very familiar with collector internals.)
+9) [From Melissa O'Neill:]
+If you're using multiple threads, double check that all thread
+creation goes through the GC_ wrapper functions rather than
+calling the thread-creation functions themselves (e.g.,
+GC_pthread_create rather than pthread_create).  The gc.h header
+file includes suitable preprocessor definitions to accomplish
+this mapping transparently -- the question is: are you including
+it in all the modules that create threads?
+
+
+
diff --git a/boehm-gc/sparc_mach_dep.s b/boehm-gc/sparc_mach_dep.s
new file mode 100644
index 00000000000..9831c6ca402
--- /dev/null
+++ b/boehm-gc/sparc_mach_dep.s
@@ -0,0 +1,38 @@
+!	SPARCompiler 3.0 and later apparently no longer handles
+!	asm outside functions.  So we need a separate .s file
+!	This is only set up for SunOS 5, not SunOS 4.
+!	Assumes this is called before the stack contents are
+!	examined.
+
+	.seg 	"text"
+	.globl	GC_save_regs_in_stack
+	.globl 	GC_push_regs
+GC_save_regs_in_stack:
+GC_push_regs:
+	ta	0x3   ! ST_FLUSH_WINDOWS
+	mov	%sp,%o0
+	retl
+	nop
+	
+	.globl	GC_clear_stack_inner
+GC_clear_stack_inner:
+	mov	%sp,%o2		! Save sp
+	add	%sp,-8,%o3	! p = sp-8
+	clr	%g1		! [g0,g1] = 0
+	add	%o1,-0x60,%sp	! Move sp out of the way,
+				! so that traps still work.
+				! Includes some extra words
+				! so we can be sloppy below.
+loop:
+	std	%g0,[%o3]	! *(long long *)p = 0
+	cmp	%o3,%o1
+	bgu	loop		! if (p > limit) goto loop
+	  add	%o3,-8,%o3	! p -= 8 (delay slot)
+	retl
+	  mov	%o2,%sp		! Restore sp., delay slot
+	
+		
+		
+		
+		
+