Cygnus/libgcj changes to Boehm GC.

git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@26257 138bc75d-0d04-0410-961f-82ee72b054a4

22 files changed, 3971 insertions, 22 deletions

diff --git a/boehm-gc/ChangeLog b/boehm-gc/ChangeLog
new file mode 100644
index 00000000000..24a26aecfae
--- /dev/null
+++ b/boehm-gc/ChangeLog
@@ -0,0 +1,248 @@
+1999-02-23  Tom Tromey  <tromey@cygnus.com>
+
+	* configure: Rebuilt.
+	* configure.in: For Linux, define _REENTRANT.  For Solaris, define
+	SOLARIS_THREADS and _SOLARIS_PTHREADS.
+
+1999-02-18  Tom Tromey  <tromey@cygnus.com>
+
+	* quick_threads.c (GC_push_all_stacks): Change order of arguments
+	to GC_push_all_stacks depending on STACK_GROWS_DOWN define.  Check
+	for case where LO is NULL.
+
+1999-02-10  Tom Tromey  <tromey@cygnus.com>
+
+	* aclocal.m4, configure, Makefile.in: Rebuilt.
+	* acinclude.m4: Updated to be used with automake 1.4.
+	* configure.in: Renamed libgc to libgcjgc.  Updated to be used
+	with automake 1.4.
+	* Makefile.am (EXTRA_LIBRARIES): Renamed libgc to libgcjgc.
+	(libgcjgc_a_SOURCES): Likewise.
+	(libgcjgc_a_LIBADD): Likewise.
+	(libgcjgc_a_DEPENDENCIES): Likewise.
+	(EXTRA_libgcjgc_a_SOURCES): Likewise.
+	(gctest_LDADD): Likewise.
+	(all_objs): Likewise.
+
+1999-01-08  Tom Tromey  <tromey@cygnus.com>
+
+	* configure: Rebuilt.
+	* configure.in: Define LINUX_THREADS if using POSIX threads on
+	Linux.
+
+	* gc_priv.h (GC_test_and_set): Put return type into definition.
+
+1998-11-24  Andrew Haley  <aph@viagra.cygnus.co.uk>
+
+	* Makefile.am: add support for eCos.  In particular, add C++
+	support for compiling the file ecos.cc.
+	* ecos.cc: new file.
+	* acinclude.m4: add C++ support.
+	* aclocal.m4: likewise
+	* config.h: add eCos support.
+	* configure: likewise
+	* configure.in: likewise
+	* misc.c (GC_write): add eCos support.
+	* os_dep.c (tiny_sbrk): add eCos support.
+	
+Thu Dec 10 18:24:34 1998  Warren Levy  <warrenl@cygnus.com>
+
+	* misc.c (GC_init_inner): Moved STACKBASE code to os_dep.c.
+	* os_dep.c (GC_get_stack_base): Moved STACKBASE code from misc.c.
+
+1998-11-23  Tom Tromey  <tromey@cygnus.com>
+
+	* configure.host (boehm_gc_cflags): Don't add `-O2'.
+
+1998-11-20  Andrew Haley  <aph@viagra.cygnus.co.uk>
+
+	* Makefile.am, Makefile.in, configure.host: tx39 build option 
+	"-G 0" added.
+	
+1998-11-17  Tom Tromey  <tromey@cygnus.com>
+
+	* configure: Rebuilt.
+	* configure.in: Switch on host, not target.
+
+1998-11-16  Tom Tromey  <tromey@cygnus.com>
+
+	* gc_priv.h (GC_debug_object_start): Declare.
+	* mark.c (GC_mark_from_mark_stack): Call GC_debug_object_start.
+	* gc.h (GC_debug_register_finalizer_no_order,
+	GC_register_finalizer_no_order): Declare.
+	(GC_REGISTER_FINALIZER_NO_ORDER): New macro.
+	* dbg_mlc.c (GC_debug_register_finalizer_no_order): New function.
+	(GC_debug_generic_malloc): Likewise.
+	(GC_debug_object_start): new function.
+
+1998-11-11  Tom Tromey  <tromey@cygnus.com>
+
+	* configure: Rebuilt.
+	* configure.in: Recognize --enable-java-gc, not --enable-gc.
+
+Tue Nov  3 18:01:12 1998  Tom Tromey  <tromey@sanguine.cygnus.com>
+
+	* dyn_load.c: Handle QUICK_THREADS case.
+
+1998-10-21  Tom Tromey  <tromey@cygnus.com>
+
+	* configure: Rebuilt.
+	* configure.in: Put cpp defines here, not in config.h.  Recognize
+	--enable-threads.  Set INCLUDES.  Create boehm-cflags file.  Don't
+	define PACKAGE or VERSION.
+	* config.h (SILENT, NO_SIGNALS, NO_DEBUGGING, JAVA_FINALIZATION):
+	Don't define.
+
+	* os_dep.c (GC_default_push_other_roots): Define when
+	QUICK_THREADS defined.
+	* misc.c: Added QUICK_THREADS case.
+	* gc_priv.h: Added QUICK_THREADS case to define LOCK and UNLOCK.
+	* config.h (THREADS): Define if QUICK_THREADS defined.
+	* Makefile.in: Rebuilt.
+	* Makefile.am (libgc_a_SOURCES): Added linux_threads.c,
+	quick_threads.c.
+	* quick_threads.c: New file.
+
+1998-10-20  Tom Tromey  <tromey@cygnus.com>
+
+	* aclocal.m4, configure: Rebuilt.
+	* acinclude.m4: Don't subst machine_dir or sys_dir.
+	* configure.host: Removed unused code.
+
+Sun Oct 11 08:18:02 1998  Anthony Green  <green@cygnus.com>
+
+	* configure: Rebuilt.
+	* configure.in: Fix typo in previous patch.
+
+Sun Oct 11 08:06:11 1998  Anthony Green  <green@cygnus.com>
+
+	* Makefile.in, aclocal.m4, configure: Rebuilt.
+	* Makefile.am, acinclude.m4, configure.in: Add multilib support.
+	* configure.host: Created.
+
+Tue Sep  1 10:58:15 1998  Tom Tromey  <tromey@cygnus.com>
+
+	* Makefile.in: Rebuilt.
+	* Makefile.am (lib_LIBRARIES): Use target_all.
+	(EXTRA_LIBRARIES): New macro.
+	* configure: Rebuilt.
+	* configure.in: Recognize --enable-gc.
+
+Thu Aug 13 10:52:45 1998  Tom Tromey  <tromey@cygnus.com>
+
+	* Makefile.in: Rebuilt.
+	* Makefile.am (COMPILE): Define.
+	(LINK): Likewise.
+	(.s.o): Use MY_CFLAGS.
+	* configure: Rebuilt.
+	* configure.in (MY_CFLAGS): Define and subst.
+
+Wed Aug 12 11:41:43 1998  Tom Tromey  <tromey@cygnus.com>
+
+	* configure: Rebuilt.
+	* configure.in: Added --with-cross-host argument.  Use
+	$with_cross_host to determine when cross-compiling.
+
+	* config.h (SMALL_CONFIG): Don't define.
+	* configure: Rebuilt.
+	* configure.in: Define SMALL_CONFIG when cross-compiling.
+
+Tue Aug 11 11:41:25 1998  Tom Tromey  <tromey@cygnus.com>
+
+	* solaris_pthreads.c, misc.c, gc_priv.h, config.h, alloc.c,
+	allchblk.c: Merged with 4.13a2 while preserving local changes.
+
+	* Makefile.orig: Updated from Makefile in 4.13a2.
+
+	* configure: Rebuilt.
+	* configure.in: Updated version number to 4.13a2.  On Solaris,
+	don't build with -O when using gcc.
+
+	Merged in version 4.13alpha2:
+	* config.h (USE_MMAP): Re-enable on Solaris.
+	* solaris_pthreads.c: Removed RCS Id line.
+	* alpha_mach_dep.s: Removed RCS Id line.
+
+Wed Jul 22 15:38:12 1998  Tom Tromey  <tromey@cygnus.com>
+
+	* config.h (USE_MMAP): Don't define for Solaris.
+
+Wed Jun 10 12:51:41 1998  Tom Tromey  <tromey@cygnus.com>
+
+	* Makefile.in: Rebuilt.
+	* Makefile.am (libgc_a_SOURCES): Removed setjmp_t.c.
+
+	* Makefile.in: Rebuilt.
+	* Makefile.am (libgc_a_SOURCES): Removed add_gc_prefix.c.
+
+Thu May 14 15:32:58 1998  Tom Tromey  <tromey@cygnus.com>
+
+	* Makefile.in: Rebuilt.
+	* Makefile.am ($(all_objs)): Depend on config.h.
+
+	* config.h: [MIPS] If DATASTART_IS_ETEXT defined then define
+	DATASTART as &_etext.
+	* misc.c (GC_init_inner): If STACKBASE defined, then use it.
+	* configure: Rebuilt.
+	* configure.in: Define STACKBASE and DATASTART_IS_ETEXT for the
+	tx39.
+
+Tue May 12 13:15:45 1998  Tom Tromey  <tromey@cygnus.com>
+
+	* alloc.c: Don't call GET_TIME if NO_CLOCK defined.
+	(GC_maybe_gc): Likewise.
+	* os_dep.c: If NO_SIGSET defined, then have empty
+	GC_disable_signals and GC_enable_signals.
+	* configure: Rebuilt.
+	* configure.in: Added --with-target-subdir option.  If
+	cross-compiling, define NO_SIGSET and NO_CLOCK.
+
+Wed May  6 16:40:28 1998  Tom Tromey  <tromey@cygnus.com>
+
+	* Makefile.in: Rebuilt.
+	* Makefile.am (.s.o): Directly use CC -x assembler-with-cpp.
+	(AS): Removed.
+	* aclocal.m4, configure: Rebuilt.
+	* acinclude.m4: New file.
+	* configure.in: Don't run AM_EXEEXT.  Use LIB_AC_PROG_CC.
+
+Thu Apr 30 14:51:12 1998  Tom Tromey  <tromey@cygnus.com>
+
+	* configure: Rebuilt.
+	* configure.in: Link boehm-config.h to config.h.
+	* Makefile.in: Rebuilt.
+	* Makefile.am (INCLUDES): Removed.
+	* config.h (SILENT, SMALL_CONFIG, NO_SIGNALS, NO_DEBUGGING,
+	JAVA_FINALIZATION): Define
+
+Wed Apr 29 11:03:14 1998  Tom Tromey  <tromey@cygnus.com>
+
+	* Many files: Use GC_bool, not bool.
+	* gc_priv.h: Define GC_bool, not bool.
+
+	* misc.c (GC_dont_gc): Define as int.
+	(GC_quiet): Likewise.
+	* gc_priv.h (GC_never_stop_func): Declare as returning bool.
+	* alloc.c (GC_dont_expand): Define as int.
+	* gc_priv.h: For gcc, define bool as char.
+
+Tue Apr 28 22:44:16 1998  Tom Tromey  <tromey@cygnus.com>
+
+	* Makefile.in: Rebuilt.
+	* Makefile.am (check_PROGRAMS): New macro.
+	(gctest_SOURCES): Likewise.
+	(gctest_LDADD): Likewise.
+
+Mon Apr 27 23:53:24 1998  Tom Tromey  <tromey@cygnus.com>
+
+	* Makefile.in: Rebuilt.
+	* Makefile.am (libgc_a_SOURCES): Added dyn_load.c.
+	* configure: Rebuilt.
+	* configure.in: Define SUNOS53_SHARED_LIB on Solaris 2.3.
+
+Wed Apr 15 11:40:56 1998  Tom Tromey  <tromey@sanguine.cygnus.com>
+
+	* Makefile.am, Makefile.in, configure.in, configure, aclocal.m4:
+	New files.
+	* Makefile.orig: Renamed from Makefile.
+
diff --git a/boehm-gc/Makefile.am b/boehm-gc/Makefile.am
new file mode 100644
index 00000000000..fba2c1f4745
--- /dev/null
+++ b/boehm-gc/Makefile.am
@@ -0,0 +1,128 @@
+## Process this file with automake to produce Makefile.in.
+
+## FIXME: `make dist' in this directory will not currently work.  Many
+## files that should be in the distribution are not mentioned in this
+## Makefile.am.
+
+AUTOMAKE_OPTIONS = cygnus
+
+# Multilib support variables.
+MULTISRCTOP =
+MULTIBUILDTOP =
+MULTIDIRS =
+MULTISUBDIR =
+MULTIDO = true
+MULTICLEAN = true
+
+tooldir = $(exec_prefix)/$(target_alias)
+toollibdir = $(tooldir)/lib$(MULTISUBDIR)
+
+## FIXME: when native, use libtool to provide shared libraries.
+toollib_LIBRARIES = $(target_all)
+EXTRA_LIBRARIES = libgcjgc.a
+libgcjgc_a_SOURCES = allchblk.c alloc.c blacklst.c checksums.c \
+config.h dbg_mlc.c dyn_load.c finalize.c gc.h gc_alloc.h gc_cpp.h \
+gc_hdrs.h gc_mark.h gc_priv.h gc_private.h gc_typed.h headers.c	\
+irix_threads.c linux_threads.c malloc.c mallocx.c mark.c mark_rts.c \
+misc.c new_hblk.c obj_map.c os_dep.c pcr_interface.c ptr_chck.c	\
+quick_threads.c real_malloc.c reclaim.c solaris_pthreads.c stubborn.c \
+typd_mlc.c version.h weakpointer.h
+libgcjgc_a_LIBADD = @addobjs@
+libgcjgc_a_DEPENDENCIES = @addobjs@
+
+EXTRA_libgcjgc_a_SOURCES = alpha_mach_dep.s mips_sgi_mach_dep.s	\
+mips_ultrix_mach_dep.s rs6000_mach_dep.s sparc_mach_dep.s \
+sparc_sunos4_mach_dep.s mach_dep.c ecos.cc
+
+AM_CXXFLAGS = @BOEHM_GC_CFLAGS@
+AM_CFLAGS = @BOEHM_GC_CFLAGS@
+
+check_PROGRAMS = gctest
+gctest_SOURCES = test.c
+gctest_LDADD = ./libgcjgc.a
+
+
+## FIXME: relies on internal code generated by automake.
+all_objs = @addobjs@ $(libgcjgc_a_OBJECTS)
+$(all_objs) : config.h gc_priv.h gc_hdrs.h gc.h gc_mark.h
+
+## FIXME: we shouldn't have to do this, but automake forces us to.
+.s.o:
+	$(CC) -x assembler-with-cpp $(DEFS) $(INCLUDES) $(CPPFLAGS) $(BOEHM_GC_CFLAGS) \
+	$(MY_CFLAGS) -c $<
+
+## We have our own definition of COMPILE because we want to use our
+## CFLAGS, not those passed in from the top level make.
+COMPILE = $(CC) $(DEFS) $(INCLUDES) $(CPPFLAGS) $(MY_CFLAGS) $(BOEHM_GC_CFLAGS) 
+LINK = $(CC) $(AM_CFLAGS) $(MY_CFLAGS) $(LDFLAGS) -o $@
+
+AM_CFLAGS = @BOEHM_GC_CFLAGS@
+
+# Work around what appears to be a GNU make bug handling MAKEFLAGS
+# values defined in terms of make variables, as is the case for CC and
+# friends when we are called from the top level Makefile.
+AM_MAKEFLAGS = \
+	"AR_FLAGS=$(AR_FLAGS)" \
+	"CC_FOR_BUILD=$(CC_FOR_BUILD)" \
+	"CFLAGS=$(CFLAGS)" \
+	"CXXFLAGS=$(CXXFLAGS)" \
+	"CFLAGS_FOR_BUILD=$(CFLAGS_FOR_BUILD)" \
+	"CFLAGS_FOR_TARGET=$(CFLAGS_FOR_TARGET)" \
+	"INSTALL=$(INSTALL)" \
+	"INSTALL_DATA=$(INSTALL_DATA)" \
+	"INSTALL_PROGRAM=$(INSTALL_PROGRAM)" \
+	"INSTALL_SCRIPT=$(INSTALL_SCRIPT)" \
+	"LDFLAGS=$(LDFLAGS)" \
+	"LIBCFLAGS=$(LIBCFLAGS)" \
+	"LIBCFLAGS_FOR_TARGET=$(LIBCFLAGS_FOR_TARGET)" \
+	"MAKE=$(MAKE)" \
+	"MAKEINFO=$(MAKEINFO) $(MAKEINFOFLAGS)" \
+	"PICFLAG=$(PICFLAG)" \
+	"PICFLAG_FOR_TARGET=$(PICFLAG_FOR_TARGET)" \
+	"SHELL=$(SHELL)" \
+	"EXPECT=$(EXPECT)" \
+	"RUNTEST=$(RUNTEST)" \
+	"RUNTESTFLAGS=$(RUNTESTFLAGS)" \
+	"exec_prefix=$(exec_prefix)" \
+	"infodir=$(infodir)" \
+	"libdir=$(libdir)" \
+	"prefix=$(prefix)" \
+	"tooldir=$(tooldir)" \
+	"AR=$(AR)" \
+	"AS=$(AS)" \
+	"CC=$(CC)" \
+	"CXX=$(CXX)" \
+	"LD=$(LD)" \
+	"LIBCFLAGS=$(LIBCFLAGS)" \
+	"NM=$(NM)" \
+	"PICFLAG=$(PICFLAG)" \
+	"RANLIB=$(RANLIB)" \
+	"DESTDIR=$(DESTDIR)"
+
+CONFIG_STATUS_DEPENDENCIES = $(boehm_gc_basedir)/configure.host
+
+# Multilib support.
+.PHONY: all-multi mostlyclean-multi clean-multi distclean-multi \
+	maintainer-clean-multi
+
+all-recursive: all-multi
+install-recursive: install-multi
+mostlyclean-recursive: mostlyclean-multi
+clean-recursive: clean-multi
+distclean-recursive: distclean-multi
+maintainer-clean-recursive: maintainer-clean-multi
+
+all-multi:
+	$(MULTIDO) $(AM_MAKEFLAGS) DO=all multi-do
+install-multi:
+	$(MULTIDO) $(AM_MAKEFLAGS) DO=install multi-do
+mostlyclean-multi:
+	$(MULTICLEAN) $(AM_MAKEFLAGS) DO=mostlyclean multi-clean
+clean-multi:
+	$(MULTICLEAN) $(AM_MAKEFLAGS) DO=clean multi-clean
+distclean-multi:
+	$(MULTICLEAN) $(AM_MAKEFLAGS) DO=distclean multi-clean
+maintainer-clean-multi:
+	$(MULTICLEAN) $(AM_MAKEFLAGS) DO=maintainer-clean multi-clean
+
+MAKEOVERRIDES=
diff --git a/boehm-gc/Makefile.in b/boehm-gc/Makefile.in
new file mode 100644
index 00000000000..11454745016
--- /dev/null
+++ b/boehm-gc/Makefile.in
@@ -0,0 +1,441 @@
+# Makefile.in generated automatically by automake 1.4 from Makefile.am
+
+# Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+
+SHELL = @SHELL@
+
+srcdir = @srcdir@
+top_srcdir = @top_srcdir@
+VPATH = @srcdir@
+prefix = @prefix@
+exec_prefix = @exec_prefix@
+
+bindir = @bindir@
+sbindir = @sbindir@
+libexecdir = @libexecdir@
+datadir = @datadir@
+sysconfdir = @sysconfdir@
+sharedstatedir = @sharedstatedir@
+localstatedir = @localstatedir@
+libdir = @libdir@
+infodir = @infodir@
+mandir = @mandir@
+includedir = @includedir@
+oldincludedir = /usr/include
+
+DESTDIR =
+
+pkgdatadir = $(datadir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+
+top_builddir = .
+
+ACLOCAL = @ACLOCAL@
+AUTOCONF = @AUTOCONF@
+AUTOMAKE = @AUTOMAKE@
+AUTOHEADER = @AUTOHEADER@
+
+INSTALL = @INSTALL@
+INSTALL_PROGRAM = @INSTALL_PROGRAM@ $(AM_INSTALL_PROGRAM_FLAGS)
+INSTALL_DATA = @INSTALL_DATA@
+INSTALL_SCRIPT = @INSTALL_SCRIPT@
+transform = @program_transform_name@
+
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_alias = @build_alias@
+build_triplet = @build@
+host_alias = @host_alias@
+host_triplet = @host@
+target_alias = @target_alias@
+target_triplet = @target@
+AR = @AR@
+AS = @AS@
+BOEHM_GC_CFLAGS = @BOEHM_GC_CFLAGS@
+CC = @CC@
+CPP = @CPP@
+CXX = @CXX@
+CXXCPP = @CXXCPP@
+CXXINCLUDES = @CXXINCLUDES@
+EXEEXT = @EXEEXT@
+INCLUDES = @INCLUDES@
+MAINT = @MAINT@
+MAKEINFO = @MAKEINFO@
+MY_CFLAGS = @MY_CFLAGS@
+PACKAGE = @PACKAGE@
+RANLIB = @RANLIB@
+VERSION = @VERSION@
+addobjs = @addobjs@
+boehm_gc_basedir = @boehm_gc_basedir@
+target_all = @target_all@
+
+AUTOMAKE_OPTIONS = cygnus
+
+# Multilib support variables.
+MULTISRCTOP = 
+MULTIBUILDTOP = 
+MULTIDIRS = 
+MULTISUBDIR = 
+MULTIDO = true
+MULTICLEAN = true
+
+tooldir = $(exec_prefix)/$(target_alias)
+toollibdir = $(tooldir)/lib$(MULTISUBDIR)
+
+toollib_LIBRARIES = $(target_all)
+EXTRA_LIBRARIES = libgcjgc.a
+libgcjgc_a_SOURCES = allchblk.c alloc.c blacklst.c checksums.c config.h dbg_mlc.c dyn_load.c finalize.c gc.h gc_alloc.h gc_cpp.h gc_hdrs.h gc_mark.h gc_priv.h gc_private.h gc_typed.h headers.c	irix_threads.c linux_threads.c malloc.c mallocx.c mark.c mark_rts.c misc.c new_hblk.c obj_map.c os_dep.c pcr_interface.c ptr_chck.c	quick_threads.c real_malloc.c reclaim.c solaris_pthreads.c stubborn.c typd_mlc.c version.h weakpointer.h
+
+libgcjgc_a_LIBADD = @addobjs@
+libgcjgc_a_DEPENDENCIES = @addobjs@
+
+EXTRA_libgcjgc_a_SOURCES = alpha_mach_dep.s mips_sgi_mach_dep.s	mips_ultrix_mach_dep.s rs6000_mach_dep.s sparc_mach_dep.s sparc_sunos4_mach_dep.s mach_dep.c ecos.cc
+
+
+AM_CXXFLAGS = @BOEHM_GC_CFLAGS@
+
+AM_CFLAGS = @BOEHM_GC_CFLAGS@
+
+check_PROGRAMS = gctest
+gctest_SOURCES = test.c
+gctest_LDADD = ./libgcjgc.a
+
+all_objs = @addobjs@ $(libgcjgc_a_OBJECTS)
+
+COMPILE = $(CC) $(DEFS) $(INCLUDES) $(CPPFLAGS) $(MY_CFLAGS) $(BOEHM_GC_CFLAGS) 
+LINK = $(CC) $(AM_CFLAGS) $(MY_CFLAGS) $(LDFLAGS) -o $@
+
+# Work around what appears to be a GNU make bug handling MAKEFLAGS
+# values defined in terms of make variables, as is the case for CC and
+# friends when we are called from the top level Makefile.
+AM_MAKEFLAGS =  	"AR_FLAGS=$(AR_FLAGS)" 	"CC_FOR_BUILD=$(CC_FOR_BUILD)" 	"CFLAGS=$(CFLAGS)" 	"CXXFLAGS=$(CXXFLAGS)" 	"CFLAGS_FOR_BUILD=$(CFLAGS_FOR_BUILD)" 	"CFLAGS_FOR_TARGET=$(CFLAGS_FOR_TARGET)" 	"INSTALL=$(INSTALL)" 	"INSTALL_DATA=$(INSTALL_DATA)" 	"INSTALL_PROGRAM=$(INSTALL_PROGRAM)" 	"INSTALL_SCRIPT=$(INSTALL_SCRIPT)" 	"LDFLAGS=$(LDFLAGS)" 	"LIBCFLAGS=$(LIBCFLAGS)" 	"LIBCFLAGS_FOR_TARGET=$(LIBCFLAGS_FOR_TARGET)" 	"MAKE=$(MAKE)" 	"MAKEINFO=$(MAKEINFO) $(MAKEINFOFLAGS)" 	"PICFLAG=$(PICFLAG)" 	"PICFLAG_FOR_TARGET=$(PICFLAG_FOR_TARGET)" 	"SHELL=$(SHELL)" 	"EXPECT=$(EXPECT)" 	"RUNTEST=$(RUNTEST)" 	"RUNTESTFLAGS=$(RUNTESTFLAGS)" 	"exec_prefix=$(exec_prefix)" 	"infodir=$(infodir)" 	"libdir=$(libdir)" 	"prefix=$(prefix)" 	"tooldir=$(tooldir)" 	"AR=$(AR)" 	"AS=$(AS)" 	"CC=$(CC)" 	"CXX=$(CXX)" 	"LD=$(LD)" 	"LIBCFLAGS=$(LIBCFLAGS)" 	"NM=$(NM)" 	"PICFLAG=$(PICFLAG)" 	"RANLIB=$(RANLIB)" 	"DESTDIR=$(DESTDIR)"
+
+
+CONFIG_STATUS_DEPENDENCIES = $(boehm_gc_basedir)/configure.host
+
+MAKEOVERRIDES = 
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+mkinstalldirs = $(SHELL) $(top_srcdir)/../mkinstalldirs
+CONFIG_CLEAN_FILES = 
+LIBRARIES =  $(toollib_LIBRARIES)
+
+
+DEFS = @DEFS@ -I. -I$(srcdir) 
+CPPFLAGS = @CPPFLAGS@
+LDFLAGS = @LDFLAGS@
+LIBS = @LIBS@
+libgcjgc_a_OBJECTS =  allchblk.o alloc.o blacklst.o checksums.o \
+dbg_mlc.o dyn_load.o finalize.o headers.o irix_threads.o \
+linux_threads.o malloc.o mallocx.o mark.o mark_rts.o misc.o new_hblk.o \
+obj_map.o os_dep.o pcr_interface.o ptr_chck.o quick_threads.o \
+real_malloc.o reclaim.o solaris_pthreads.o stubborn.o typd_mlc.o
+check_PROGRAMS =  gctest$(EXEEXT)
+gctest_OBJECTS =  test.o
+gctest_DEPENDENCIES =  ./libgcjgc.a
+gctest_LDFLAGS = 
+CXXFLAGS = @CXXFLAGS@
+CXXCOMPILE = $(CXX) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS)
+CXXLD = $(CXX)
+CXXLINK = $(CXXLD) $(AM_CXXFLAGS) $(CXXFLAGS) $(LDFLAGS) -o $@
+CFLAGS = @CFLAGS@
+CCLD = $(CC)
+DIST_COMMON =  README ChangeLog Makefile.am Makefile.in acinclude.m4 \
+aclocal.m4 configure configure.in
+
+
+DISTFILES = $(DIST_COMMON) $(SOURCES) $(HEADERS) $(TEXINFOS) $(EXTRA_DIST)
+
+TAR = tar
+GZIP_ENV = --best
+SOURCES = $(libgcjgc_a_SOURCES) $(EXTRA_libgcjgc_a_SOURCES) $(gctest_SOURCES)
+OBJECTS = $(libgcjgc_a_OBJECTS) $(gctest_OBJECTS)
+
+all: all-redirect
+.SUFFIXES:
+.SUFFIXES: .S .c .cc .o .s
+$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ Makefile.am $(top_srcdir)/configure.in $(ACLOCAL_M4) 
+	cd $(top_srcdir) && $(AUTOMAKE) --cygnus Makefile
+
+Makefile: $(srcdir)/Makefile.in  $(top_builddir)/config.status
+	cd $(top_builddir) \
+	  && CONFIG_FILES=$@ CONFIG_HEADERS= $(SHELL) ./config.status
+
+$(ACLOCAL_M4): @MAINTAINER_MODE_TRUE@ configure.in  acinclude.m4
+	cd $(srcdir) && $(ACLOCAL)
+
+config.status: $(srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	$(SHELL) ./config.status --recheck
+$(srcdir)/configure: @MAINTAINER_MODE_TRUE@$(srcdir)/configure.in $(ACLOCAL_M4) $(CONFIGURE_DEPENDENCIES)
+	cd $(srcdir) && $(AUTOCONF)
+
+mostlyclean-toollibLIBRARIES:
+
+clean-toollibLIBRARIES:
+	-test -z "$(toollib_LIBRARIES)" || rm -f $(toollib_LIBRARIES)
+
+distclean-toollibLIBRARIES:
+
+maintainer-clean-toollibLIBRARIES:
+
+install-toollibLIBRARIES: $(toollib_LIBRARIES)
+	@$(NORMAL_INSTALL)
+	$(mkinstalldirs) $(DESTDIR)$(toollibdir)
+	@list='$(toollib_LIBRARIES)'; for p in $$list; do \
+	  if test -f $$p; then \
+	    echo " $(INSTALL_DATA) $$p $(DESTDIR)$(toollibdir)/$$p"; \
+	    $(INSTALL_DATA) $$p $(DESTDIR)$(toollibdir)/$$p; \
+	  else :; fi; \
+	done
+	@$(POST_INSTALL)
+	@list='$(toollib_LIBRARIES)'; for p in $$list; do \
+	  if test -f $$p; then \
+	    echo " $(RANLIB) $(DESTDIR)$(toollibdir)/$$p"; \
+	    $(RANLIB) $(DESTDIR)$(toollibdir)/$$p; \
+	  else :; fi; \
+	done
+
+uninstall-toollibLIBRARIES:
+	@$(NORMAL_UNINSTALL)
+	list='$(toollib_LIBRARIES)'; for p in $$list; do \
+	  rm -f $(DESTDIR)$(toollibdir)/$$p; \
+	done
+
+.c.o:
+	$(COMPILE) -c $<
+
+.S.o:
+	$(COMPILE) -c $<
+
+mostlyclean-compile:
+	-rm -f *.o core *.core
+
+clean-compile:
+
+distclean-compile:
+	-rm -f *.tab.c
+
+maintainer-clean-compile:
+
+libgcjgc.a: $(libgcjgc_a_OBJECTS) $(libgcjgc_a_DEPENDENCIES)
+	-rm -f libgcjgc.a
+	$(AR) cru libgcjgc.a $(libgcjgc_a_OBJECTS) $(libgcjgc_a_LIBADD)
+	$(RANLIB) libgcjgc.a
+
+mostlyclean-checkPROGRAMS:
+
+clean-checkPROGRAMS:
+	-test -z "$(check_PROGRAMS)" || rm -f $(check_PROGRAMS)
+
+distclean-checkPROGRAMS:
+
+maintainer-clean-checkPROGRAMS:
+
+gctest$(EXEEXT): $(gctest_OBJECTS) $(gctest_DEPENDENCIES)
+	@rm -f gctest$(EXEEXT)
+	$(LINK) $(gctest_LDFLAGS) $(gctest_OBJECTS) $(gctest_LDADD) $(LIBS)
+.cc.o:
+	$(CXXCOMPILE) -c $<
+
+tags: TAGS
+
+ID: $(HEADERS) $(SOURCES) $(LISP)
+	list='$(SOURCES) $(HEADERS)'; \
+	unique=`for i in $$list; do echo $$i; done | \
+	  awk '    { files[$$0] = 1; } \
+	       END { for (i in files) print i; }'`; \
+	here=`pwd` && cd $(srcdir) \
+	  && mkid -f$$here/ID $$unique $(LISP)
+
+TAGS:  $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) $(LISP)
+	tags=; \
+	here=`pwd`; \
+	list='$(SOURCES) $(HEADERS)'; \
+	unique=`for i in $$list; do echo $$i; done | \
+	  awk '    { files[$$0] = 1; } \
+	       END { for (i in files) print i; }'`; \
+	test -z "$(ETAGS_ARGS)$$unique$(LISP)$$tags" \
+	  || (cd $(srcdir) && etags $(ETAGS_ARGS) $$tags  $$unique $(LISP) -o $$here/TAGS)
+
+mostlyclean-tags:
+
+clean-tags:
+
+distclean-tags:
+	-rm -f TAGS ID
+
+maintainer-clean-tags:
+
+distdir = $(PACKAGE)-$(VERSION)
+top_distdir = $(distdir)
+
+# This target untars the dist file and tries a VPATH configuration.  Then
+# it guarantees that the distribution is self-contained by making another
+# tarfile.
+distcheck: dist
+	-rm -rf $(distdir)
+	GZIP=$(GZIP_ENV) $(TAR) zxf $(distdir).tar.gz
+	mkdir $(distdir)/=build
+	mkdir $(distdir)/=inst
+	dc_install_base=`cd $(distdir)/=inst && pwd`; \
+	cd $(distdir)/=build \
+	  && ../configure --srcdir=.. --prefix=$$dc_install_base \
+	  && $(MAKE) $(AM_MAKEFLAGS) \
+	  && $(MAKE) $(AM_MAKEFLAGS) dvi \
+	  && $(MAKE) $(AM_MAKEFLAGS) check \
+	  && $(MAKE) $(AM_MAKEFLAGS) install \
+	  && $(MAKE) $(AM_MAKEFLAGS) installcheck \
+	  && $(MAKE) $(AM_MAKEFLAGS) dist
+	-rm -rf $(distdir)
+	@banner="$(distdir).tar.gz is ready for distribution"; \
+	dashes=`echo "$$banner" | sed s/./=/g`; \
+	echo "$$dashes"; \
+	echo "$$banner"; \
+	echo "$$dashes"
+dist: distdir
+	-chmod -R a+r $(distdir)
+	GZIP=$(GZIP_ENV) $(TAR) chozf $(distdir).tar.gz $(distdir)
+	-rm -rf $(distdir)
+dist-all: distdir
+	-chmod -R a+r $(distdir)
+	GZIP=$(GZIP_ENV) $(TAR) chozf $(distdir).tar.gz $(distdir)
+	-rm -rf $(distdir)
+distdir: $(DISTFILES)
+	-rm -rf $(distdir)
+	mkdir $(distdir)
+	-chmod 777 $(distdir)
+	@for file in $(DISTFILES); do \
+	  if test -f $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    cp -pr $$/$$file $(distdir)/$$file; \
+	  else \
+	    test -f $(distdir)/$$file \
+	    || ln $$d/$$file $(distdir)/$$file 2> /dev/null \
+	    || cp -p $$d/$$file $(distdir)/$$file || :; \
+	  fi; \
+	done
+info-am:
+info: info-am
+dvi-am:
+dvi: dvi-am
+check-am: $(check_PROGRAMS)
+check: check-am
+installcheck-am:
+installcheck: installcheck-am
+install-info-am: 
+install-info: install-info-am
+install-exec-am:
+install-exec: install-exec-am
+
+install-data-am: install-toollibLIBRARIES
+install-data: install-data-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+install: install-am
+uninstall-am: uninstall-toollibLIBRARIES
+uninstall: uninstall-am
+all-am: Makefile $(LIBRARIES)
+all-redirect: all-am
+install-strip:
+	$(MAKE) $(AM_MAKEFLAGS) AM_INSTALL_PROGRAM_FLAGS=-s install
+installdirs:
+	$(mkinstalldirs)  $(DESTDIR)$(toollibdir)
+
+
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-rm -f Makefile $(CONFIG_CLEAN_FILES)
+	-rm -f config.cache config.log stamp-h stamp-h[0-9]*
+
+maintainer-clean-generic:
+mostlyclean-am:  mostlyclean-toollibLIBRARIES mostlyclean-compile \
+		mostlyclean-checkPROGRAMS mostlyclean-tags \
+		mostlyclean-generic
+
+mostlyclean: mostlyclean-am
+
+clean-am:  clean-toollibLIBRARIES clean-compile clean-checkPROGRAMS \
+		clean-tags clean-generic mostlyclean-am
+
+clean: clean-am
+
+distclean-am:  distclean-toollibLIBRARIES distclean-compile \
+		distclean-checkPROGRAMS distclean-tags \
+		distclean-generic clean-am
+
+distclean: distclean-am
+	-rm -f config.status
+
+maintainer-clean-am:  maintainer-clean-toollibLIBRARIES \
+		maintainer-clean-compile maintainer-clean-checkPROGRAMS \
+		maintainer-clean-tags maintainer-clean-generic \
+		distclean-am
+	@echo "This command is intended for maintainers to use;"
+	@echo "it deletes files that may require special tools to rebuild."
+
+maintainer-clean: maintainer-clean-am
+	-rm -f config.status
+
+.PHONY: mostlyclean-toollibLIBRARIES distclean-toollibLIBRARIES \
+clean-toollibLIBRARIES maintainer-clean-toollibLIBRARIES \
+uninstall-toollibLIBRARIES install-toollibLIBRARIES mostlyclean-compile \
+distclean-compile clean-compile maintainer-clean-compile \
+mostlyclean-checkPROGRAMS distclean-checkPROGRAMS clean-checkPROGRAMS \
+maintainer-clean-checkPROGRAMS tags mostlyclean-tags distclean-tags \
+clean-tags maintainer-clean-tags distdir info-am info dvi-am dvi check \
+check-am installcheck-am installcheck install-info-am install-info \
+install-exec-am install-exec install-data-am install-data install-am \
+install uninstall-am uninstall all-redirect all-am all installdirs \
+mostlyclean-generic distclean-generic clean-generic \
+maintainer-clean-generic clean mostlyclean distclean maintainer-clean
+
+$(all_objs) : config.h gc_priv.h gc_hdrs.h gc.h gc_mark.h
+
+.s.o:
+	$(CC) -x assembler-with-cpp $(DEFS) $(INCLUDES) $(CPPFLAGS) $(BOEHM_GC_CFLAGS) \
+	$(MY_CFLAGS) -c $<
+
+# Multilib support.
+.PHONY: all-multi mostlyclean-multi clean-multi distclean-multi \
+	maintainer-clean-multi
+
+all-recursive: all-multi
+install-recursive: install-multi
+mostlyclean-recursive: mostlyclean-multi
+clean-recursive: clean-multi
+distclean-recursive: distclean-multi
+maintainer-clean-recursive: maintainer-clean-multi
+
+all-multi:
+	$(MULTIDO) $(AM_MAKEFLAGS) DO=all multi-do
+install-multi:
+	$(MULTIDO) $(AM_MAKEFLAGS) DO=install multi-do
+mostlyclean-multi:
+	$(MULTICLEAN) $(AM_MAKEFLAGS) DO=mostlyclean multi-clean
+clean-multi:
+	$(MULTICLEAN) $(AM_MAKEFLAGS) DO=clean multi-clean
+distclean-multi:
+	$(MULTICLEAN) $(AM_MAKEFLAGS) DO=distclean multi-clean
+maintainer-clean-multi:
+	$(MULTICLEAN) $(AM_MAKEFLAGS) DO=maintainer-clean multi-clean
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/boehm-gc/Makefile b/boehm-gc/Makefile.orig
index 056df2f66f7..056df2f66f7 100644
--- a/boehm-gc/Makefile
+++ b/boehm-gc/Makefile.orig
diff --git a/boehm-gc/README b/boehm-gc/README
index 98fce1ee549..98d8389dae9 100644
--- a/boehm-gc/README
+++ b/boehm-gc/README
@@ -2,6 +2,9 @@ Copyright 1988, 1989 Hans-J. Boehm, Alan J. Demers
 Copyright (c) 1991-1996 by Xerox Corporation.  All rights reserved.
 Copyright (c) 1996-1998 by Silicon Graphics.  All rights reserved.
 
+  [ This version of the collector modified by Cygnus Solutions.
+    See the file ChangeLog for details ]
+
 THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
 OR IMPLIED.  ANY USE IS AT YOUR OWN RISK.
 
diff --git a/boehm-gc/acinclude.m4 b/boehm-gc/acinclude.m4
new file mode 100644
index 00000000000..55e649b3a24
--- /dev/null
+++ b/boehm-gc/acinclude.m4
@@ -0,0 +1,153 @@
+# 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=${boehm_gc_cflags}
+AC_SUBST(BOEHM_GC_CFLAGS)
+]))
+
+))))
diff --git a/boehm-gc/aclocal.m4 b/boehm-gc/aclocal.m4
new file mode 100644
index 00000000000..872fea5d7ff
--- /dev/null
+++ b/boehm-gc/aclocal.m4
@@ -0,0 +1,291 @@
+dnl aclocal.m4 generated automatically by aclocal 1.4
+
+dnl Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+dnl This program is distributed in the hope that it will be useful,
+dnl but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+dnl even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+dnl PARTICULAR PURPOSE.
+
+# FIXME: We temporarily define our own version of AC_PROG_CC.  This is
+# copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS.  We
+# are probably using a cross compiler, which will not be able to fully
+# link an executable.  This should really be fixed in autoconf
+# itself.
+
+AC_DEFUN(BOEHM_CONFIGURE,
+[
+dnl Default to --enable-multilib
+AC_ARG_ENABLE(multilib,
+[  --enable-multilib         build many library versions (default)],
+[case "${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='#'
+else
+  $1_TRUE='#'
+  $1_FALSE=
+fi])
+
diff --git a/boehm-gc/alloc.c b/boehm-gc/alloc.c
index d60544a3205..c9d145e0369 100644
--- a/boehm-gc/alloc.c
+++ b/boehm-gc/alloc.c
@@ -95,6 +95,7 @@ int GC_timeout_stop_func GC_PROTO((void))
     unsigned long time_diff;
     
     if ((count++ & 3) != 0) return(0);
+#ifndef NO_CLOCK
     GET_TIME(current_time);
     time_diff = MS_TIME_DIFF(current_time,GC_start_time);
     if (time_diff >= TIME_LIMIT) {
@@ -104,6 +105,7 @@ int GC_timeout_stop_func GC_PROTO((void))
 #	endif
     	return(1);
     }
+#endif
     return(0);
 }
 
@@ -234,7 +236,9 @@ void GC_maybe_gc()
         /* We try to mark with the world stopped.	*/
         /* If we run out of time, this turns into	*/
         /* incremental marking.			*/
+#ifndef NO_CLOCK
         GET_TIME(GC_start_time);
+#endif
         if (GC_stopped_mark(GC_timeout_stop_func)) {
 #           ifdef SAVE_CALL_CHAIN
                 GC_save_callers(GC_last_stack);
diff --git a/boehm-gc/alpha_mach_dep.s b/boehm-gc/alpha_mach_dep.s
index f920bf0093c..eed3998914a 100644
--- a/boehm-gc/alpha_mach_dep.s
+++ b/boehm-gc/alpha_mach_dep.s
@@ -1,4 +1,3 @@
- # $Id: alpha_mach_dep.s,v 1.1 1999/04/07 14:56:06 tromey Exp $
 
 # define call_push(x)    						\
 	lda   $16, 0(x);    	/* copy x to first argument register */	\
diff --git a/boehm-gc/config.h b/boehm-gc/config.h
index fc8004cebe5..0ab5a1fef32 100644
--- a/boehm-gc/config.h
+++ b/boehm-gc/config.h
@@ -723,25 +723,32 @@
 # endif
 
 # ifdef MIPS
+# ifndef ECOS
 #   define MACH_TYPE "MIPS"
-#   ifndef IRIX5
-#     define DATASTART (ptr_t)0x10000000
+	/* CYGNUS LOCAL: respect predefined DATASTART_IS_ETEXT.  */
+#   ifdef DATASTART_IS_ETEXT
+        extern int _etext;
+#     define DATASTART ((ptr_t)(&_etext))
+#   else
+#     ifndef IRIX5
+#       define DATASTART (ptr_t)0x10000000
 			      /* Could probably be slightly higher since */
 			      /* startup code allocates lots of stuff.   */
-#   else
-      extern int _fdata;
-#     define DATASTART ((ptr_t)(&_fdata))
-#     ifdef USE_MMAP
-#         define HEAP_START (ptr_t)0x30000000
 #     else
-#	  define HEAP_START DATASTART
-#     endif
+        extern int _fdata;
+#       define DATASTART ((ptr_t)(&_fdata))
+#       ifdef USE_MMAP
+#           define HEAP_START (ptr_t)0x30000000
+#       else
+#	    define HEAP_START DATASTART
+#       endif
 			      /* Lowest plausible heap address.		*/
 			      /* In the MMAP case, we map there.	*/
 			      /* In either case it is used to identify	*/
 			      /* heap sections so they're not 		*/
 			      /* considered as roots.			*/
-#   endif /* IRIX5 */
+#     endif /* IRIX5 */
+#   endif /* DATASTART_IS_ETEXT */
 #   define HEURISTIC2
 /* #   define STACKBOTTOM ((ptr_t)0x7fff8000)  sometimes also works.  */
 #   ifdef ULTRIX
@@ -767,6 +774,18 @@
 #	endif
 #	define DYNAMIC_LOADING
 #   endif
+#   endif /* ECOS */
+# ifdef ECOS
+    extern char __ram_data_start;
+    extern char __ram_data_end;
+#   define MACH_TYPE "MIPS"
+#   define DATASTART (ptr_t)(&__ram_data_start)
+#   define DATAEND (ptr_t)(&__ram_data_end)
+
+#   define HEURISTIC2
+#   define ALIGNMENT 4
+#   define ALIGN_DOUBLE
+#   endif /* ECOS */
 # endif
 
 # ifdef RS6000
@@ -952,7 +971,8 @@
 # endif
 # if defined(PCR) || defined(SRC_M3) || \
 	defined(SOLARIS_THREADS) || defined(WIN32_THREADS) || \
-	defined(IRIX_THREADS) || defined(LINUX_THREADS)
+	defined(IRIX_THREADS) || defined(LINUX_THREADS) || \
+	defined(QUICK_THREADS)
 #   define THREADS
 # endif
 
diff --git a/boehm-gc/configure b/boehm-gc/configure
new file mode 100755
index 00000000000..cbbc4d236d5
--- /dev/null
+++ b/boehm-gc/configure
@@ -0,0 +1,2189 @@
+#! /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 "$ac_option" in
+
+  -bindir | --bindir | --bindi | --bind | --bin | --bi)
+    ac_prev=bindir ;;
+  -bindir=* | --bindir=* | --bindi=* | --bind=* | --bin=* | --bi=*)
+    bindir="$ac_optarg" ;;
+
+  -build | --build | --buil | --bui | --bu)
+    ac_prev=build ;;
+  -build=* | --build=* | --buil=* | --bui=* | --bu=*)
+    build="$ac_optarg" ;;
+
+  -cache-file | --cache-file | --cache-fil | --cache-fi \
+  | --cache-f | --cache- | --cache | --cach | --cac | --ca | --c)
+    ac_prev=cache_file ;;
+  -cache-file=* | --cache-file=* | --cache-fil=* | --cache-fi=* \
+  | --cache-f=* | --cache-=* | --cache=* | --cach=* | --cac=* | --ca=* | --c=*)
+    cache_file="$ac_optarg" ;;
+
+  -datadir | --datadir | --datadi | --datad | --data | --dat | --da)
+    ac_prev=datadir ;;
+  -datadir=* | --datadir=* | --datadi=* | --datad=* | --data=* | --dat=* \
+  | --da=*)
+    datadir="$ac_optarg" ;;
+
+  -disable-* | --disable-*)
+    ac_feature=`echo $ac_option|sed -e 's/-*disable-//'`
+    # Reject names that are not valid shell variable names.
+    if test -n "`echo $ac_feature| sed 's/[-a-zA-Z0-9_]//g'`"; then
+      { echo "configure: error: $ac_feature: invalid feature name" 1>&2; exit 1; }
+    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.
+    if test -n "`echo $ac_feature| sed 's/[-_a-zA-Z0-9]//g'`"; then
+      { 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 \
+  | --exec-pref | --exec-pre | --exec-pr | --exec-p | --exec- \
+  | --exec | --exe | --ex)
+    ac_prev=exec_prefix ;;
+  -exec-prefix=* | --exec_prefix=* | --exec-prefix=* | --exec-prefi=* \
+  | --exec-pref=* | --exec-pre=* | --exec-pr=* | --exec-p=* | --exec-=* \
+  | --exec=* | --exe=* | --ex=*)
+    exec_prefix="$ac_optarg" ;;
+
+  -gas | --gas | --ga | --g)
+    # Obsolete; use --with-gas.
+    with_gas=yes ;;
+
+  -help | --help | --hel | --he)
+    # Omit some internal or obsolete options to make the list less imposing.
+    # This message is too long to be a string in the A/UX 3.1 sh.
+    cat << EOF
+Usage: configure [options] [host]
+Options: [defaults in brackets after descriptions]
+Configuration:
+  --cache-file=FILE       cache test results in FILE
+  --help                  print this message
+  --no-create             do not create output files
+  --quiet, --silent       do not print \`checking...' messages
+  --version               print the version of autoconf that created configure
+Directory and file names:
+  --prefix=PREFIX         install architecture-independent files in PREFIX
+                          [$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
+  --program-suffix=SUFFIX append SUFFIX to installed program names
+  --program-transform-name=PROGRAM
+                          run sed PROGRAM on installed program names
+EOF
+    cat << EOF
+Host type:
+  --build=BUILD           configure for building on BUILD [BUILD=HOST]
+  --host=HOST             configure for HOST [guessed]
+  --target=TARGET         configure for TARGET [TARGET=HOST]
+Features and packages:
+  --disable-FEATURE       do not include FEATURE (same as --enable-FEATURE=no)
+  --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="$ac_optarg" ;;
+
+  -includedir | --includedir | --includedi | --included | --include \
+  | --includ | --inclu | --incl | --inc)
+    ac_prev=includedir ;;
+  -includedir=* | --includedir=* | --includedi=* | --included=* | --include=* \
+  | --includ=* | --inclu=* | --incl=* | --inc=*)
+    includedir="$ac_optarg" ;;
+
+  -infodir | --infodir | --infodi | --infod | --info | --inf)
+    ac_prev=infodir ;;
+  -infodir=* | --infodir=* | --infodi=* | --infod=* | --info=* | --inf=*)
+    infodir="$ac_optarg" ;;
+
+  -libdir | --libdir | --libdi | --libd)
+    ac_prev=libdir ;;
+  -libdir=* | --libdir=* | --libdi=* | --libd=*)
+    libdir="$ac_optarg" ;;
+
+  -libexecdir | --libexecdir | --libexecdi | --libexecd | --libexec \
+  | --libexe | --libex | --libe)
+    ac_prev=libexecdir ;;
+  -libexecdir=* | --libexecdir=* | --libexecdi=* | --libexecd=* | --libexec=* \
+  | --libexe=* | --libex=* | --libe=*)
+    libexecdir="$ac_optarg" ;;
+
+  -localstatedir | --localstatedir | --localstatedi | --localstated \
+  | --localstate | --localstat | --localsta | --localst \
+  | --locals | --local | --loca | --loc | --lo)
+    ac_prev=localstatedir ;;
+  -localstatedir=* | --localstatedir=* | --localstatedi=* | --localstated=* \
+  | --localstate=* | --localstat=* | --localsta=* | --localst=* \
+  | --locals=* | --local=* | --loca=* | --loc=* | --lo=*)
+    localstatedir="$ac_optarg" ;;
+
+  -mandir | --mandir | --mandi | --mand | --man | --ma | --m)
+    ac_prev=mandir ;;
+  -mandir=* | --mandir=* | --mandi=* | --mand=* | --man=* | --ma=* | --m=*)
+    mandir="$ac_optarg" ;;
+
+  -nfp | --nfp | --nf)
+    # Obsolete; use --without-fp.
+    with_fp=no ;;
+
+  -no-create | --no-create | --no-creat | --no-crea | --no-cre \
+  | --no-cr | --no-c)
+    no_create=yes ;;
+
+  -no-recursion | --no-recursion | --no-recursio | --no-recursi \
+  | --no-recurs | --no-recur | --no-recu | --no-rec | --no-re | --no-r)
+    no_recursion=yes ;;
+
+  -oldincludedir | --oldincludedir | --oldincludedi | --oldincluded \
+  | --oldinclude | --oldinclud | --oldinclu | --oldincl | --oldinc \
+  | --oldin | --oldi | --old | --ol | --o)
+    ac_prev=oldincludedir ;;
+  -oldincludedir=* | --oldincludedir=* | --oldincludedi=* | --oldincluded=* \
+  | --oldinclude=* | --oldinclud=* | --oldinclu=* | --oldincl=* | --oldinc=* \
+  | --oldin=* | --oldi=* | --old=* | --ol=* | --o=*)
+    oldincludedir="$ac_optarg" ;;
+
+  -prefix | --prefix | --prefi | --pref | --pre | --pr | --p)
+    ac_prev=prefix ;;
+  -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=* | --pr=* | --p=*)
+    prefix="$ac_optarg" ;;
+
+  -program-prefix | --program-prefix | --program-prefi | --program-pref \
+  | --program-pre | --program-pr | --program-p)
+    ac_prev=program_prefix ;;
+  -program-prefix=* | --program-prefix=* | --program-prefi=* \
+  | --program-pref=* | --program-pre=* | --program-pr=* | --program-p=*)
+    program_prefix="$ac_optarg" ;;
+
+  -program-suffix | --program-suffix | --program-suffi | --program-suff \
+  | --program-suf | --program-su | --program-s)
+    ac_prev=program_suffix ;;
+  -program-suffix=* | --program-suffix=* | --program-suffi=* \
+  | --program-suff=* | --program-suf=* | --program-su=* | --program-s=*)
+    program_suffix="$ac_optarg" ;;
+
+  -program-transform-name | --program-transform-name \
+  | --program-transform-nam | --program-transform-na \
+  | --program-transform-n | --program-transform- \
+  | --program-transform | --program-transfor \
+  | --program-transfo | --program-transf \
+  | --program-trans | --program-tran \
+  | --progr-tra | --program-tr | --program-t)
+    ac_prev=program_transform_name ;;
+  -program-transform-name=* | --program-transform-name=* \
+  | --program-transform-nam=* | --program-transform-na=* \
+  | --program-transform-n=* | --program-transform-=* \
+  | --program-transform=* | --program-transfor=* \
+  | --program-transfo=* | --program-transf=* \
+  | --program-trans=* | --program-tran=* \
+  | --progr-tra=* | --program-tr=* | --program-t=*)
+    program_transform_name="$ac_optarg" ;;
+
+  -q | -quiet | --quiet | --quie | --qui | --qu | --q \
+  | -silent | --silent | --silen | --sile | --sil)
+    silent=yes ;;
+
+  -sbindir | --sbindir | --sbindi | --sbind | --sbin | --sbi | --sb)
+    ac_prev=sbindir ;;
+  -sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \
+  | --sbi=* | --sb=*)
+    sbindir="$ac_optarg" ;;
+
+  -sharedstatedir | --sharedstatedir | --sharedstatedi \
+  | --sharedstated | --sharedstate | --sharedstat | --sharedsta \
+  | --sharedst | --shareds | --shared | --share | --shar \
+  | --sha | --sh)
+    ac_prev=sharedstatedir ;;
+  -sharedstatedir=* | --sharedstatedir=* | --sharedstatedi=* \
+  | --sharedstated=* | --sharedstate=* | --sharedstat=* | --sharedsta=* \
+  | --sharedst=* | --shareds=* | --shared=* | --share=* | --shar=* \
+  | --sha=* | --sh=*)
+    sharedstatedir="$ac_optarg" ;;
+
+  -site | --site | --sit)
+    ac_prev=site ;;
+  -site=* | --site=* | --sit=*)
+    site="$ac_optarg" ;;
+
+  -srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
+    ac_prev=srcdir ;;
+  -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
+    srcdir="$ac_optarg" ;;
+
+  -sysconfdir | --sysconfdir | --sysconfdi | --sysconfd | --sysconf \
+  | --syscon | --sysco | --sysc | --sys | --sy)
+    ac_prev=sysconfdir ;;
+  -sysconfdir=* | --sysconfdir=* | --sysconfdi=* | --sysconfd=* | --sysconf=* \
+  | --syscon=* | --sysco=* | --sysc=* | --sys=* | --sy=*)
+    sysconfdir="$ac_optarg" ;;
+
+  -target | --target | --targe | --targ | --tar | --ta | --t)
+    ac_prev=target ;;
+  -target=* | --target=* | --targe=* | --targ=* | --tar=* | --ta=* | --t=*)
+    target="$ac_optarg" ;;
+
+  -v | -verbose | --verbose | --verbos | --verbo | --verb)
+    verbose=yes ;;
+
+  -version | --version | --versio | --versi | --vers)
+    echo "configure generated by autoconf version 2.13"
+    exit 0 ;;
+
+  -with-* | --with-*)
+    ac_package=`echo $ac_option|sed -e 's/-*with-//' -e 's/=.*//'`
+    # Reject names that are not valid shell variable names.
+    if test -n "`echo $ac_package| sed 's/[-_a-zA-Z0-9]//g'`"; then
+      { echo "configure: error: $ac_package: invalid package name" 1>&2; exit 1; }
+    fi
+    ac_package=`echo $ac_package| sed 's/-/_/g'`
+    case "$ac_option" in
+      *=*) ;;
+      *) ac_optarg=yes ;;
+    esac
+    eval "with_${ac_package}='$ac_optarg'" ;;
+
+  -without-* | --without-*)
+    ac_package=`echo $ac_option|sed -e 's/-*without-//'`
+    # Reject names that are not valid shell variable names.
+    if test -n "`echo $ac_package| sed 's/[-a-zA-Z0-9_]//g'`"; then
+      { echo "configure: error: $ac_package: invalid package name" 1>&2; exit 1; }
+    fi
+    ac_package=`echo $ac_package| sed 's/-/_/g'`
+    eval "with_${ac_package}=no" ;;
+
+  --x)
+    # Obsolete; use --with-x.
+    with_x=yes ;;
+
+  -x-includes | --x-includes | --x-include | --x-includ | --x-inclu \
+  | --x-incl | --x-inc | --x-in | --x-i)
+    ac_prev=x_includes ;;
+  -x-includes=* | --x-includes=* | --x-include=* | --x-includ=* | --x-inclu=* \
+  | --x-incl=* | --x-inc=* | --x-in=* | --x-i=*)
+    x_includes="$ac_optarg" ;;
+
+  -x-libraries | --x-libraries | --x-librarie | --x-librari \
+  | --x-librar | --x-libra | --x-libr | --x-lib | --x-li | --x-l)
+    ac_prev=x_libraries ;;
+  -x-libraries=* | --x-libraries=* | --x-librarie=* | --x-librari=* \
+  | --x-librar=* | --x-libra=* | --x-libr=* | --x-lib=* | --x-li=* | --x-l=*)
+    x_libraries="$ac_optarg" ;;
+
+  -*) { echo "configure: error: $ac_option: invalid option; use --help to show usage" 1>&2; exit 1; }
+    ;;
+
+  *)
+    if test -n "`echo $ac_option| sed 's/[-a-z0-9.]//g'`"; then
+      echo "configure: warning: $ac_option: invalid host type" 1>&2
+    fi
+    if test "x$nonopt" != xNONE; then
+      { echo "configure: error: can only configure for one host and one target at a time" 1>&2; exit 1; }
+    fi
+    nonopt="$ac_option"
+    ;;
+
+  esac
+done
+
+if test -n "$ac_prev"; then
+  { echo "configure: error: missing argument to --`echo $ac_prev | sed 's/_/-/g'`" 1>&2; exit 1; }
+fi
+
+trap 'rm -fr conftest* confdefs* core core.* *.core $ac_clean_files; exit 1' 1 2 15
+
+# File descriptor usage:
+# 0 standard input
+# 1 file creation
+# 2 errors and warnings
+# 3 some systems may open it to /dev/tty
+# 4 used on the Kubota Titan
+# 6 checking for... messages and results
+# 5 compiler messages saved in config.log
+if test "$silent" = yes; then
+  exec 6>/dev/null
+else
+  exec 6>&1
+fi
+exec 5>./config.log
+
+echo "\
+This file contains any messages produced by compilers while
+running configure, to aid debugging if configure makes a mistake.
+" 1>&5
+
+# Strip out --no-create and --no-recursion so they do not pile up.
+# Also quote any args containing shell metacharacters.
+ac_configure_args=
+for ac_arg
+do
+  case "$ac_arg" in
+  -no-create | --no-create | --no-creat | --no-crea | --no-cre \
+  | --no-cr | --no-c) ;;
+  -no-recursion | --no-recursion | --no-recursio | --no-recursi \
+  | --no-recurs | --no-recur | --no-recu | --no-rec | --no-re | --no-r) ;;
+  *" "*|*"	"*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?]*)
+  ac_configure_args="$ac_configure_args '$ac_arg'" ;;
+  *) ac_configure_args="$ac_configure_args $ac_arg" ;;
+  esac
+done
+
+# NLS nuisances.
+# Only set these to C if already set.  These must not be set unconditionally
+# because not all systems understand e.g. LANG=C (notably SCO).
+# Fixing LC_MESSAGES prevents Solaris sh from translating var values in `set'!
+# Non-C LC_CTYPE values break the ctype check.
+if test "${LANG+set}"   = set; then LANG=C;   export LANG;   fi
+if test "${LC_ALL+set}" = set; then LC_ALL=C; export LC_ALL; fi
+if test "${LC_MESSAGES+set}" = set; then LC_MESSAGES=C; export LC_MESSAGES; fi
+if test "${LC_CTYPE+set}"    = set; then LC_CTYPE=C;    export LC_CTYPE;    fi
+
+# confdefs.h avoids OS command line length limits that DEFS can exceed.
+rm -rf conftest* confdefs.h
+# AIX cpp loses on an empty file, so make sure it contains at least a newline.
+echo > confdefs.h
+
+# A filename unique to this package, relative to the directory that
+# configure is in, which we can look for to find out if srcdir is correct.
+ac_unique_file=gc_mark.h
+
+# Find the source files, if location was not specified.
+if test -z "$srcdir"; then
+  ac_srcdir_defaulted=yes
+  # Try the directory containing this script, then its parent.
+  ac_prog=$0
+  ac_confdir=`echo $ac_prog|sed 's%/[^/][^/]*$%%'`
+  test "x$ac_confdir" = "x$ac_prog" && ac_confdir=.
+  srcdir=$ac_confdir
+  if test ! -r $srcdir/$ac_unique_file; then
+    srcdir=..
+  fi
+else
+  ac_srcdir_defaulted=no
+fi
+if test ! -r $srcdir/$ac_unique_file; then
+  if test "$ac_srcdir_defaulted" = yes; then
+    { echo "configure: error: can not find sources in $ac_confdir or .." 1>&2; exit 1; }
+  else
+    { echo "configure: error: can not find sources in $srcdir" 1>&2; exit 1; }
+  fi
+fi
+srcdir=`echo "${srcdir}" | sed 's%\([^/]\)/*$%\1%'`
+
+# Prefer explicitly selected file to automatically selected ones.
+if test -z "$CONFIG_SITE"; then
+  if test "x$prefix" != xNONE; then
+    CONFIG_SITE="$prefix/share/config.site $prefix/etc/config.site"
+  else
+    CONFIG_SITE="$ac_default_prefix/share/config.site $ac_default_prefix/etc/config.site"
+  fi
+fi
+for ac_site_file in $CONFIG_SITE; do
+  if test -r "$ac_site_file"; then
+    echo "loading site script $ac_site_file"
+    . "$ac_site_file"
+  fi
+done
+
+if test -r "$cache_file"; then
+  echo "loading cache $cache_file"
+  . $cache_file
+else
+  echo "creating cache $cache_file"
+  > $cache_file
+fi
+
+ac_ext=c
+# CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
+ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
+cross_compiling=$ac_cv_prog_cc_cross
+
+ac_exeext=
+ac_objext=o
+if (echo "testing\c"; echo 1,2,3) | grep c >/dev/null; then
+  # Stardent Vistra SVR4 grep lacks -e, says ghazi@caip.rutgers.edu.
+  if (echo -n testing; echo 1,2,3) | sed s/-n/xn/ | grep xn >/dev/null; then
+    ac_n= ac_c='
+' ac_t='	'
+  else
+    ac_n=-n ac_c= ac_t=
+  fi
+else
+  ac_n= ac_c='\c' ac_t=
+fi
+
+
+
+ac_aux_dir=
+for ac_dir in .. $srcdir/..; do
+  if test -f $ac_dir/install-sh; then
+    ac_aux_dir=$ac_dir
+    ac_install_sh="$ac_aux_dir/install-sh -c"
+    break
+  elif test -f $ac_dir/install.sh; then
+    ac_aux_dir=$ac_dir
+    ac_install_sh="$ac_aux_dir/install.sh -c"
+    break
+  fi
+done
+if test -z "$ac_aux_dir"; then
+  { echo "configure: error: can not find install-sh or install.sh in .. $srcdir/.." 1>&2; exit 1; }
+fi
+ac_config_guess=$ac_aux_dir/config.guess
+ac_config_sub=$ac_aux_dir/config.sub
+ac_configure=$ac_aux_dir/configure # This should be Cygnus configure.
+
+
+
+# Do some error checking and defaulting for the host and target type.
+# The inputs are:
+#    configure --host=HOST --target=TARGET --build=BUILD NONOPT
+#
+# The rules are:
+# 1. You are not allowed to specify --host, --target, and nonopt at the
+#    same time.
+# 2. Host defaults to nonopt.
+# 3. If nonopt is not specified, then host defaults to the current host,
+#    as determined by config.guess.
+# 4. Target and build default to nonopt.
+# 5. If nonopt is not specified, then target and build default to host.
+
+# The aliases save the names the user supplied, while $host etc.
+# will get canonicalized.
+case $host---$target---$nonopt in
+NONE---*---* | *---NONE---* | *---*---NONE) ;;
+*) { echo "configure: error: can only configure for one host and one target at a time" 1>&2; exit 1; } ;;
+esac
+
+
+# Make sure we can run config.sub.
+if ${CONFIG_SHELL-/bin/sh} $ac_config_sub sun4 >/dev/null 2>&1; then :
+else { echo "configure: error: can not run $ac_config_sub" 1>&2; exit 1; }
+fi
+
+echo $ac_n "checking host system type""... $ac_c" 1>&6
+echo "configure:592: checking host system type" >&5
+
+host_alias=$host
+case "$host_alias" in
+NONE)
+  case $nonopt in
+  NONE)
+    if host_alias=`${CONFIG_SHELL-/bin/sh} $ac_config_guess`; then :
+    else { echo "configure: error: can not guess host type; you must specify one" 1>&2; exit 1; }
+    fi ;;
+  *) host_alias=$nonopt ;;
+  esac ;;
+esac
+
+host=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $host_alias`
+host_cpu=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
+host_vendor=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
+host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
+echo "$ac_t""$host" 1>&6
+
+echo $ac_n "checking target system type""... $ac_c" 1>&6
+echo "configure:613: checking target system type" >&5
+
+target_alias=$target
+case "$target_alias" in
+NONE)
+  case $nonopt in
+  NONE) target_alias=$host_alias ;;
+  *) target_alias=$nonopt ;;
+  esac ;;
+esac
+
+target=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $target_alias`
+target_cpu=`echo $target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
+target_vendor=`echo $target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
+target_os=`echo $target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
+echo "$ac_t""$target" 1>&6
+
+echo $ac_n "checking build system type""... $ac_c" 1>&6
+echo "configure:631: checking build system type" >&5
+
+build_alias=$build
+case "$build_alias" in
+NONE)
+  case $nonopt in
+  NONE) build_alias=$host_alias ;;
+  *) build_alias=$nonopt ;;
+  esac ;;
+esac
+
+build=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $build_alias`
+build_cpu=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
+build_vendor=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
+build_os=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
+echo "$ac_t""$build" 1>&6
+
+test "$host_alias" != "$target_alias" &&
+  test "$program_prefix$program_suffix$program_transform_name" = \
+    NONENONEs,x,x, &&
+  program_prefix=${target_alias}-
+
+
+# Find a good install program.  We prefer a C program (faster),
+# so one script is as good as another.  But avoid the broken or
+# incompatible versions:
+# SysV /etc/install, /usr/sbin/install
+# SunOS /usr/etc/install
+# IRIX /sbin/install
+# AIX /bin/install
+# AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag
+# AFS /usr/afsws/bin/install, which mishandles nonexistent args
+# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
+# ./install, which can be erroneously created by make from ./install.sh.
+echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&6
+echo "configure:666: checking for a BSD compatible install" >&5
+if test -z "$INSTALL"; then
+if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+    IFS="${IFS= 	}"; ac_save_IFS="$IFS"; IFS=":"
+  for ac_dir in $PATH; do
+    # Account for people who put trailing slashes in PATH elements.
+    case "$ac_dir/" in
+    /|./|.//|/etc/*|/usr/sbin/*|/usr/etc/*|/sbin/*|/usr/afsws/bin/*|/usr/ucb/*) ;;
+    *)
+      # 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 &&
+            grep dspmsg $ac_dir/$ac_prog >/dev/null 2>&1; then
+	    # AIX install.  It has an incompatible calling convention.
+	    :
+	  else
+	    ac_cv_path_install="$ac_dir/$ac_prog -c"
+	    break 2
+	  fi
+	fi
+      done
+      ;;
+    esac
+  done
+  IFS="$ac_save_IFS"
+
+fi
+  if test "${ac_cv_path_install+set}" = set; then
+    INSTALL="$ac_cv_path_install"
+  else
+    # As a last resort, use the slow shell script.  We don't cache a
+    # path for INSTALL within a source directory, because that will
+    # break other packages using the cache if that directory is
+    # removed, or if the path is relative.
+    INSTALL="$ac_install_sh"
+  fi
+fi
+echo "$ac_t""$INSTALL" 1>&6
+
+# Use test -z because SunOS4 sh mishandles braces in ${var-val}.
+# It thinks the first close brace ends the variable substitution.
+test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}'
+
+test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL_PROGRAM}'
+
+test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
+
+echo $ac_n "checking whether build environment is sane""... $ac_c" 1>&6
+echo "configure:719: checking whether build environment is sane" >&5
+# 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".
+      { echo "configure: error: ls -t appears to fail.  Make sure there is not a broken
+alias in your environment" 1>&2; exit 1; }
+   fi
+
+   test "$2" = conftestfile
+   )
+then
+   # Ok.
+   :
+else
+   { echo "configure: error: newly created file is older than distributed files!
+Check your system clock" 1>&2; exit 1; }
+fi
+rm -f conftest*
+echo "$ac_t""yes" 1>&6
+if test "$program_transform_name" = s,x,x,; then
+  program_transform_name=
+else
+  # Double any \ or $.  echo might interpret backslashes.
+  cat <<\EOF_SED > conftestsed
+s,\\,\\\\,g; s,\$,$$,g
+EOF_SED
+  program_transform_name="`echo $program_transform_name|sed -f conftestsed`"
+  rm -f conftestsed
+fi
+test "$program_prefix" != NONE &&
+  program_transform_name="s,^,${program_prefix},; $program_transform_name"
+# Use a double $ so make ignores it.
+test "$program_suffix" != NONE &&
+  program_transform_name="s,\$\$,${program_suffix},; $program_transform_name"
+
+# sed with no file args requires a program.
+test "$program_transform_name" = "" && program_transform_name="s,x,x,"
+
+echo $ac_n "checking whether ${MAKE-make} sets \${MAKE}""... $ac_c" 1>&6
+echo "configure:776: checking whether ${MAKE-make} sets \${MAKE}" >&5
+set dummy ${MAKE-make}; ac_make=`echo "$2" | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_prog_make_${ac_make}_set'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftestmake <<\EOF
+all:
+	@echo 'ac_maketemp="${MAKE}"'
+EOF
+# GNU make sometimes prints "make[1]: Entering...", which would confuse us.
+eval `${MAKE-make} -f conftestmake 2>/dev/null | grep temp=`
+if test -n "$ac_maketemp"; then
+  eval ac_cv_prog_make_${ac_make}_set=yes
+else
+  eval ac_cv_prog_make_${ac_make}_set=no
+fi
+rm -f conftestmake
+fi
+if eval "test \"`echo '$ac_cv_prog_make_'${ac_make}_set`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+  SET_MAKE=
+else
+  echo "$ac_t""no" 1>&6
+  SET_MAKE="MAKE=${MAKE-make}"
+fi
+
+if test $host != $build; then
+  ac_tool_prefix=${host_alias}-
+else
+  ac_tool_prefix=
+fi
+
+echo $ac_n "checking for Cygwin environment""... $ac_c" 1>&6
+echo "configure:809: checking for Cygwin environment" >&5
+if eval "test \"`echo '$''{'ac_cv_cygwin'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 814 "configure"
+#include "confdefs.h"
+
+int main() {
+
+#ifndef __CYGWIN__
+#define __CYGWIN__ __CYGWIN32__
+#endif
+return __CYGWIN__;
+; return 0; }
+EOF
+if { (eval echo configure:825: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  rm -rf conftest*
+  ac_cv_cygwin=yes
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  ac_cv_cygwin=no
+fi
+rm -f conftest*
+rm -f conftest*
+fi
+
+echo "$ac_t""$ac_cv_cygwin" 1>&6
+CYGWIN=
+test "$ac_cv_cygwin" = yes && CYGWIN=yes
+echo $ac_n "checking for mingw32 environment""... $ac_c" 1>&6
+echo "configure:842: checking for mingw32 environment" >&5
+if eval "test \"`echo '$''{'ac_cv_mingw32'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 847 "configure"
+#include "confdefs.h"
+
+int main() {
+return __MINGW32__;
+; return 0; }
+EOF
+if { (eval echo configure:854: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  rm -rf conftest*
+  ac_cv_mingw32=yes
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  ac_cv_mingw32=no
+fi
+rm -f conftest*
+rm -f conftest*
+fi
+
+echo "$ac_t""$ac_cv_mingw32" 1>&6
+MINGW32=
+test "$ac_cv_mingw32" = yes && MINGW32=yes
+
+# Check whether --enable-multilib or --disable-multilib was given.
+if test "${enable_multilib+set}" = set; then
+  enableval="$enable_multilib"
+  case "${enableval}" in
+  yes) multilib=yes ;;
+  no)  multilib=no ;;
+  *)   { echo "configure: error: bad value ${enableval} for multilib option" 1>&2; exit 1; } ;;
+ esac
+else
+  multilib=yes
+fi
+
+
+if test "${srcdir}" = "."; then
+  if test "${with_target_subdir}" != "."; then
+    boehm_gc_basedir="${srcdir}/${with_multisrctop}../."
+  else
+    boehm_gc_basedir="${srcdir}/${with_multisrctop}."
+  fi
+else
+  boehm_gc_basedir="${srcdir}/."
+fi
+
+
+
+# Make sure we can run config.sub.
+if ${CONFIG_SHELL-/bin/sh} $ac_config_sub sun4 >/dev/null 2>&1; then :
+else { echo "configure: error: can not run $ac_config_sub" 1>&2; exit 1; }
+fi
+
+echo $ac_n "checking host system type""... $ac_c" 1>&6
+echo "configure:902: checking host system type" >&5
+
+host_alias=$host
+case "$host_alias" in
+NONE)
+  case $nonopt in
+  NONE)
+    if host_alias=`${CONFIG_SHELL-/bin/sh} $ac_config_guess`; then :
+    else { echo "configure: error: can not guess host type; you must specify one" 1>&2; exit 1; }
+    fi ;;
+  *) host_alias=$nonopt ;;
+  esac ;;
+esac
+
+host=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $host_alias`
+host_cpu=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
+host_vendor=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
+host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
+echo "$ac_t""$host" 1>&6
+
+
+
+PACKAGE=boehm-gc
+
+VERSION=4.13a2
+
+if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then
+  { echo "configure: error: source directory already configured; run "make distclean" there first" 1>&2; exit 1; }
+fi
+
+
+
+missing_dir=`cd $ac_aux_dir && pwd`
+echo $ac_n "checking for working aclocal""... $ac_c" 1>&6
+echo "configure:936: checking for working aclocal" >&5
+# Run test in a subshell; some versions of sh will print an error if
+# an executable is not found, even if stderr is redirected.
+# Redirect stdin to placate older versions of autoconf.  Sigh.
+if (aclocal --version) < /dev/null > /dev/null 2>&1; then
+   ACLOCAL=aclocal
+   echo "$ac_t""found" 1>&6
+else
+   ACLOCAL="$missing_dir/missing aclocal"
+   echo "$ac_t""missing" 1>&6
+fi
+
+echo $ac_n "checking for working autoconf""... $ac_c" 1>&6
+echo "configure:949: checking for working autoconf" >&5
+# Run test in a subshell; some versions of sh will print an error if
+# an executable is not found, even if stderr is redirected.
+# Redirect stdin to placate older versions of autoconf.  Sigh.
+if (autoconf --version) < /dev/null > /dev/null 2>&1; then
+   AUTOCONF=autoconf
+   echo "$ac_t""found" 1>&6
+else
+   AUTOCONF="$missing_dir/missing autoconf"
+   echo "$ac_t""missing" 1>&6
+fi
+
+echo $ac_n "checking for working automake""... $ac_c" 1>&6
+echo "configure:962: checking for working automake" >&5
+# Run test in a subshell; some versions of sh will print an error if
+# an executable is not found, even if stderr is redirected.
+# Redirect stdin to placate older versions of autoconf.  Sigh.
+if (automake --version) < /dev/null > /dev/null 2>&1; then
+   AUTOMAKE=automake
+   echo "$ac_t""found" 1>&6
+else
+   AUTOMAKE="$missing_dir/missing automake"
+   echo "$ac_t""missing" 1>&6
+fi
+
+echo $ac_n "checking for working autoheader""... $ac_c" 1>&6
+echo "configure:975: checking for working autoheader" >&5
+# Run test in a subshell; some versions of sh will print an error if
+# an executable is not found, even if stderr is redirected.
+# Redirect stdin to placate older versions of autoconf.  Sigh.
+if (autoheader --version) < /dev/null > /dev/null 2>&1; then
+   AUTOHEADER=autoheader
+   echo "$ac_t""found" 1>&6
+else
+   AUTOHEADER="$missing_dir/missing autoheader"
+   echo "$ac_t""missing" 1>&6
+fi
+
+echo $ac_n "checking for working makeinfo""... $ac_c" 1>&6
+echo "configure:988: checking for working makeinfo" >&5
+# Run test in a subshell; some versions of sh will print an error if
+# an executable is not found, even if stderr is redirected.
+# Redirect stdin to placate older versions of autoconf.  Sigh.
+if (makeinfo --version) < /dev/null > /dev/null 2>&1; then
+   MAKEINFO=makeinfo
+   echo "$ac_t""found" 1>&6
+else
+   MAKEINFO="$missing_dir/missing makeinfo"
+   echo "$ac_t""missing" 1>&6
+fi
+
+
+
+# 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.
+
+
+
+# Extract the first word of "gcc", so it can be a program name with args.
+set dummy gcc; ac_word=$2
+echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:1013: checking for $ac_word" >&5
+if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
+  ac_dummy="$PATH"
+  for ac_dir in $ac_dummy; do
+    test -z "$ac_dir" && ac_dir=.
+    if test -f $ac_dir/$ac_word; then
+      ac_cv_prog_CC="gcc"
+      break
+    fi
+  done
+  IFS="$ac_save_ifs"
+fi
+fi
+CC="$ac_cv_prog_CC"
+if test -n "$CC"; then
+  echo "$ac_t""$CC" 1>&6
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+if test -z "$CC"; then
+  # Extract the first word of "cc", so it can be a program name with args.
+set dummy cc; ac_word=$2
+echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:1043: checking for $ac_word" >&5
+if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  if test -n "$CC"; then
+  ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
+  ac_prog_rejected=no
+  ac_dummy="$PATH"
+  for ac_dir in $ac_dummy; do
+    test -z "$ac_dir" && ac_dir=.
+    if test -f $ac_dir/$ac_word; then
+      if test "$ac_dir/$ac_word" = "/usr/ucb/cc"; then
+        ac_prog_rejected=yes
+	continue
+      fi
+      ac_cv_prog_CC="cc"
+      break
+    fi
+  done
+  IFS="$ac_save_ifs"
+if test $ac_prog_rejected = yes; then
+  # We found a bogon in the path, so make sure we never use it.
+  set dummy $ac_cv_prog_CC
+  shift
+  if test $# -gt 0; then
+    # We chose a different compiler from the bogus one.
+    # However, it has the same basename, so the bogon will be chosen
+    # first if we set CC to just the basename; use the full file name.
+    shift
+    set dummy "$ac_dir/$ac_word" "$@"
+    shift
+    ac_cv_prog_CC="$@"
+  fi
+fi
+fi
+fi
+CC="$ac_cv_prog_CC"
+if test -n "$CC"; then
+  echo "$ac_t""$CC" 1>&6
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+  test -z "$CC" && { echo "configure: error: no acceptable cc found in \$PATH" 1>&2; exit 1; }
+fi
+
+echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
+echo "configure:1092: checking whether we are using GNU C" >&5
+if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.c <<EOF
+#ifdef __GNUC__
+  yes;
+#endif
+EOF
+if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:1101: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
+  ac_cv_prog_gcc=yes
+else
+  ac_cv_prog_gcc=no
+fi
+fi
+
+echo "$ac_t""$ac_cv_prog_gcc" 1>&6
+
+if test $ac_cv_prog_gcc = yes; then
+  GCC=yes
+  ac_test_CFLAGS="${CFLAGS+set}"
+  ac_save_CFLAGS="$CFLAGS"
+  CFLAGS=
+  echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
+echo "configure:1116: checking whether ${CC-cc} accepts -g" >&5
+if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  echo 'void f(){}' > conftest.c
+if test -z "`${CC-cc} -g -c conftest.c 2>&1`"; then
+  ac_cv_prog_cc_g=yes
+else
+  ac_cv_prog_cc_g=no
+fi
+rm -f conftest*
+
+fi
+
+echo "$ac_t""$ac_cv_prog_cc_g" 1>&6
+  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
+
+
+# Likewise for AC_PROG_CXX.
+
+
+for ac_prog in $CCC c++ g++ gcc CC cxx cc++
+do
+# Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:1152: checking for $ac_word" >&5
+if eval "test \"`echo '$''{'ac_cv_prog_CXX'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  if test -n "$CXX"; then
+  ac_cv_prog_CXX="$CXX" # Let the user override the test.
+else
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
+  ac_dummy="$PATH"
+  for ac_dir in $ac_dummy; do
+    test -z "$ac_dir" && ac_dir=.
+    if test -f $ac_dir/$ac_word; then
+      ac_cv_prog_CXX="$ac_prog"
+      break
+    fi
+  done
+  IFS="$ac_save_ifs"
+fi
+fi
+CXX="$ac_cv_prog_CXX"
+if test -n "$CXX"; then
+  echo "$ac_t""$CXX" 1>&6
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+test -n "$CXX" && break
+done
+test -n "$CXX" || CXX="gcc"
+
+test -z "$CXX" && { echo "configure: error: no acceptable c++ found in \$PATH" 1>&2; exit 1; }
+
+echo $ac_n "checking whether we are using GNU C++""... $ac_c" 1>&6
+echo "configure:1185: checking whether we are using GNU C++" >&5
+if eval "test \"`echo '$''{'ac_cv_prog_gxx'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.C <<EOF
+#ifdef __GNUC__
+  yes;
+#endif
+EOF
+if { ac_try='${CXX-g++} -E conftest.C'; { (eval echo configure:1194: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
+  ac_cv_prog_gxx=yes
+else
+  ac_cv_prog_gxx=no
+fi
+fi
+
+echo "$ac_t""$ac_cv_prog_gxx" 1>&6
+
+if test $ac_cv_prog_gxx = yes; then
+  GXX=yes
+  ac_test_CXXFLAGS="${CXXFLAGS+set}"
+  ac_save_CXXFLAGS="$CXXFLAGS"
+  CXXFLAGS=
+  echo $ac_n "checking whether ${CXX-g++} accepts -g""... $ac_c" 1>&6
+echo "configure:1209: checking whether ${CXX-g++} accepts -g" >&5
+if eval "test \"`echo '$''{'ac_cv_prog_cxx_g'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  echo 'void f(){}' > conftest.cc
+if test -z "`${CXX-g++} -g -c conftest.cc 2>&1`"; then
+  ac_cv_prog_cxx_g=yes
+else
+  ac_cv_prog_cxx_g=no
+fi
+rm -f conftest*
+
+fi
+
+echo "$ac_t""$ac_cv_prog_cxx_g" 1>&6
+  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
+
+
+# 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.
+echo $ac_n "checking build system type""... $ac_c" 1>&6
+echo "configure:1242: checking build system type" >&5
+
+build_alias=$build
+case "$build_alias" in
+NONE)
+  case $nonopt in
+  NONE) build_alias=$host_alias ;;
+  *) build_alias=$nonopt ;;
+  esac ;;
+esac
+
+build=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $build_alias`
+build_cpu=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
+build_vendor=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
+build_os=`echo $build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
+echo "$ac_t""$build" 1>&6
+
+
+# Extract the first word of "${ac_tool_prefix}as", so it can be a program name with args.
+set dummy ${ac_tool_prefix}as; ac_word=$2
+echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:1263: checking for $ac_word" >&5
+if eval "test \"`echo '$''{'ac_cv_prog_AS'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  if test -n "$AS"; then
+  ac_cv_prog_AS="$AS" # Let the user override the test.
+else
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
+  ac_dummy="$PATH"
+  for ac_dir in $ac_dummy; do
+    test -z "$ac_dir" && ac_dir=.
+    if test -f $ac_dir/$ac_word; then
+      ac_cv_prog_AS="${ac_tool_prefix}as"
+      break
+    fi
+  done
+  IFS="$ac_save_ifs"
+  test -z "$ac_cv_prog_AS" && ac_cv_prog_AS="as"
+fi
+fi
+AS="$ac_cv_prog_AS"
+if test -n "$AS"; then
+  echo "$ac_t""$AS" 1>&6
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+
+
+# Extract the first word of "${ac_tool_prefix}ar", so it can be a program name with args.
+set dummy ${ac_tool_prefix}ar; ac_word=$2
+echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:1295: checking for $ac_word" >&5
+if eval "test \"`echo '$''{'ac_cv_prog_AR'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  if test -n "$AR"; then
+  ac_cv_prog_AR="$AR" # Let the user override the test.
+else
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
+  ac_dummy="$PATH"
+  for ac_dir in $ac_dummy; do
+    test -z "$ac_dir" && ac_dir=.
+    if test -f $ac_dir/$ac_word; then
+      ac_cv_prog_AR="${ac_tool_prefix}ar"
+      break
+    fi
+  done
+  IFS="$ac_save_ifs"
+  test -z "$ac_cv_prog_AR" && ac_cv_prog_AR="ar"
+fi
+fi
+AR="$ac_cv_prog_AR"
+if test -n "$AR"; then
+  echo "$ac_t""$AR" 1>&6
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+
+
+# Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args.
+set dummy ${ac_tool_prefix}ranlib; ac_word=$2
+echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:1327: checking for $ac_word" >&5
+if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  if test -n "$RANLIB"; then
+  ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test.
+else
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
+  ac_dummy="$PATH"
+  for ac_dir in $ac_dummy; do
+    test -z "$ac_dir" && ac_dir=.
+    if test -f $ac_dir/$ac_word; then
+      ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib"
+      break
+    fi
+  done
+  IFS="$ac_save_ifs"
+fi
+fi
+RANLIB="$ac_cv_prog_RANLIB"
+if test -n "$RANLIB"; then
+  echo "$ac_t""$RANLIB" 1>&6
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+
+if test -z "$ac_cv_prog_RANLIB"; then
+if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "ranlib", so it can be a program name with args.
+set dummy ranlib; ac_word=$2
+echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:1359: checking for $ac_word" >&5
+if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  if test -n "$RANLIB"; then
+  ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test.
+else
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
+  ac_dummy="$PATH"
+  for ac_dir in $ac_dummy; do
+    test -z "$ac_dir" && ac_dir=.
+    if test -f $ac_dir/$ac_word; then
+      ac_cv_prog_RANLIB="ranlib"
+      break
+    fi
+  done
+  IFS="$ac_save_ifs"
+  test -z "$ac_cv_prog_RANLIB" && ac_cv_prog_RANLIB=":"
+fi
+fi
+RANLIB="$ac_cv_prog_RANLIB"
+if test -n "$RANLIB"; then
+  echo "$ac_t""$RANLIB" 1>&6
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+else
+  RANLIB=":"
+fi
+fi
+
+
+# Find a good install program.  We prefer a C program (faster),
+# so one script is as good as another.  But avoid the broken or
+# incompatible versions:
+# SysV /etc/install, /usr/sbin/install
+# SunOS /usr/etc/install
+# IRIX /sbin/install
+# AIX /bin/install
+# AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag
+# AFS /usr/afsws/bin/install, which mishandles nonexistent args
+# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
+# ./install, which can be erroneously created by make from ./install.sh.
+echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&6
+echo "configure:1404: checking for a BSD compatible install" >&5
+if test -z "$INSTALL"; then
+if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+    IFS="${IFS= 	}"; ac_save_IFS="$IFS"; IFS=":"
+  for ac_dir in $PATH; do
+    # Account for people who put trailing slashes in PATH elements.
+    case "$ac_dir/" in
+    /|./|.//|/etc/*|/usr/sbin/*|/usr/etc/*|/sbin/*|/usr/afsws/bin/*|/usr/ucb/*) ;;
+    *)
+      # 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 &&
+            grep dspmsg $ac_dir/$ac_prog >/dev/null 2>&1; then
+	    # AIX install.  It has an incompatible calling convention.
+	    :
+	  else
+	    ac_cv_path_install="$ac_dir/$ac_prog -c"
+	    break 2
+	  fi
+	fi
+      done
+      ;;
+    esac
+  done
+  IFS="$ac_save_IFS"
+
+fi
+  if test "${ac_cv_path_install+set}" = set; then
+    INSTALL="$ac_cv_path_install"
+  else
+    # As a last resort, use the slow shell script.  We don't cache a
+    # path for INSTALL within a source directory, because that will
+    # break other packages using the cache if that directory is
+    # removed, or if the path is relative.
+    INSTALL="$ac_install_sh"
+  fi
+fi
+echo "$ac_t""$INSTALL" 1>&6
+
+# Use test -z because SunOS4 sh mishandles braces in ${var-val}.
+# It thinks the first close brace ends the variable substitution.
+test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}'
+
+test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL_PROGRAM}'
+
+test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
+
+
+echo $ac_n "checking whether to enable maintainer-specific portions of Makefiles""... $ac_c" 1>&6
+echo "configure:1458: checking whether to enable maintainer-specific portions of Makefiles" >&5
+    # Check whether --enable-maintainer-mode or --disable-maintainer-mode was given.
+if test "${enable_maintainer_mode+set}" = set; then
+  enableval="$enable_maintainer_mode"
+  USE_MAINTAINER_MODE=$enableval
+else
+  USE_MAINTAINER_MODE=no
+fi
+
+  echo "$ac_t""$USE_MAINTAINER_MODE" 1>&6
+  
+
+if test $USE_MAINTAINER_MODE = yes; then
+  MAINTAINER_MODE_TRUE=
+  MAINTAINER_MODE_FALSE='#'
+else
+  MAINTAINER_MODE_TRUE='#'
+  MAINTAINER_MODE_FALSE=
+fi
+  MAINT=$MAINTAINER_MODE_TRUE
+  
+
+
+# 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
+  
+
+echo $ac_n "checking for executable suffix""... $ac_c" 1>&6
+echo "configure:1492: checking for executable suffix" >&5
+if eval "test \"`echo '$''{'ac_cv_exeext'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  if test "$CYGWIN" = yes || test "$MINGW32" = yes; then
+  ac_cv_exeext=.exe
+else
+  rm -f conftest*
+  echo 'int main () { return 0; }' > conftest.$ac_ext
+  ac_cv_exeext=
+  if { (eval echo configure:1502: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
+    for file in conftest.*; do
+      case $file in
+      *.c | *.o | *.obj | *.ilk | *.pdb) ;;
+      *) ac_cv_exeext=`echo $file | sed -e s/conftest//` ;;
+      esac
+    done
+  else
+    { echo "configure: error: installation or configuration problem: compiler cannot create executables." 1>&2; exit 1; }
+  fi
+  rm -f conftest*
+  test x"${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
+
+. ${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)'"/./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}
+
+
+
+# Check whether --with-target-subdir or --without-target-subdir was given.
+if test "${with_target_subdir+set}" = set; then
+  withval="$with_target_subdir"
+  :
+fi
+
+# Check whether --with-cross-host or --without-cross-host was given.
+if test "${with_cross_host+set}" = set; then
+  withval="$with_cross_host"
+  :
+fi
+
+
+echo $ac_n "checking whether to enable maintainer-specific portions of Makefiles""... $ac_c" 1>&6
+echo "configure:1558: checking whether to enable maintainer-specific portions of Makefiles" >&5
+    # Check whether --enable-maintainer-mode or --disable-maintainer-mode was given.
+if test "${enable_maintainer_mode+set}" = set; then
+  enableval="$enable_maintainer_mode"
+  USE_MAINTAINER_MODE=$enableval
+else
+  USE_MAINTAINER_MODE=no
+fi
+
+  echo "$ac_t""$USE_MAINTAINER_MODE" 1>&6
+  
+
+if test $USE_MAINTAINER_MODE = yes; then
+  MAINTAINER_MODE_TRUE=
+  MAINTAINER_MODE_FALSE='#'
+else
+  MAINTAINER_MODE_TRUE='#'
+  MAINTAINER_MODE_FALSE=
+fi
+  MAINT=$MAINTAINER_MODE_TRUE
+  
+
+# automake wants to see AC_EXEEXT.  But we don't need it.  And having
+# it is actually a problem, because the compiler we're passed can't
+# necessarily do a full link.  So we fool automake here.
+if test "x" = "y"; then
+   
+
+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 "$MINGW32" = yes; then
+  ac_cv_exeext=.exe
+else
+  rm -f conftest*
+  echo 'int main () { return 0; }' > conftest.$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
+      *.c | *.o | *.obj | *.ilk | *.pdb) ;;
+      *) ac_cv_exeext=`echo $file | sed -e s/conftest//` ;;
+      esac
+    done
+  else
+    { echo "configure: error: installation or configuration problem: compiler cannot create executables." 1>&2; exit 1; }
+  fi
+  rm -f conftest*
+  test x"${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
+       ;;
+    *)
+       # 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""$THREADS" 1>&6
+
+# Check whether --enable-java-gc or --disable-java-gc was given.
+if test "${enable_java_gc+set}" = set; then
+  enableval="$enable_java_gc"
+  
+  GC=$enableval
+else
+  GC=boehm
+fi
+
+target_all=
+if test "$GC" = "boehm"; then
+   target_all=libgcjgc.a
+fi
+
+
+TARGET_ECOS="no"
+# Check whether --with-ecos or --without-ecos was given.
+if test "${with_ecos+set}" = set; then
+  withval="$with_ecos"
+  TARGET_ECOS="$with_ecos"
+
+fi
+
+
+addobjs=
+CXXINCLUDES=
+case "$TARGET_ECOS" in
+   no)
+      ;;
+   *)
+      cat >> confdefs.h <<\EOF
+#define ECOS 1
+EOF
+
+      CXXINCLUDES="-I${TARGET_ECOS}/include"
+      addobjs="$addobjs ecos.o"
+      ;;
+esac
+
+
+
+
+
+machdep=
+case "$host" in
+ mipstx39-*-elf*)
+    machdep="mips_ultrix_mach_dep.o"
+    cat >> confdefs.h <<\EOF
+#define STACKBASE __stackbase
+EOF
+
+    cat >> confdefs.h <<\EOF
+#define DATASTART_IS_ETEXT 1
+EOF
+
+    ;;
+ sparc-sun-solaris2.3*)
+    cat >> confdefs.h <<\EOF
+#define SUNOS53_SHARED_LIB 1
+EOF
+
+    ;;
+esac
+if test x"$machdep" = x; then
+   machdep="mach_dep.o"
+fi
+addobjs="$addobjs $machdep"
+
+
+case "$host" in
+ sparc-sun-solaris2*)
+    if test "$GCC" = yes; then
+       new_CFLAGS=
+       for i in $CFLAGS; do
+	  case "$i" in
+	   -O*)
+	      ;;
+	   *)
+	      new_CFLAGS="$new_CFLAGS $i"
+	      ;;
+	  esac
+       done
+       CFLAGS="$new_CFLAGS"
+    fi
+    ;;
+esac
+
+MY_CFLAGS="$CFLAGS"
+
+
+cat >> confdefs.h <<\EOF
+#define SILENT 1
+EOF
+
+cat >> confdefs.h <<\EOF
+#define NO_SIGNALS 1
+EOF
+
+cat >> confdefs.h <<\EOF
+#define NO_DEBUGGING 1
+EOF
+
+cat >> confdefs.h <<\EOF
+#define JAVA_FINALIZATION 1
+EOF
+
+
+
+
+if test -n "${with_cross_host}"; then
+   cat >> confdefs.h <<\EOF
+#define NO_SIGSET 1
+EOF
+
+   cat >> confdefs.h <<\EOF
+#define NO_CLOCK 1
+EOF
+
+   cat >> confdefs.h <<\EOF
+#define SMALL_CONFIG 1
+EOF
+
+fi
+
+if test "${multilib}" = "yes"; then
+  multilib_arg="--enable-multilib"
+else
+  multilib_arg=
+fi
+
+trap '' 1 2 15
+cat > confcache <<\EOF
+# This file is a shell script that caches the results of configure
+# tests run on this system so they can be shared between configure
+# scripts and configure runs.  It is not useful on other systems.
+# If it contains results you don't want to keep, you may remove or edit it.
+#
+# By default, configure uses ./config.cache as the cache file,
+# creating it if it does not exist already.  You can give configure
+# the --cache-file=FILE option to use a different cache file; that is
+# what configure does when it calls configure scripts in
+# subdirectories, so they share the cache.
+# Giving --cache-file=/dev/null disables caching, for debugging configure.
+# config.status only pays attention to the cache file if you give it the
+# --recheck option to rerun configure.
+#
+EOF
+# The following way of writing the cache mishandles newlines in values,
+# but we know of no workaround that is simple, portable, and efficient.
+# So, don't put newlines in cache variables' values.
+# Ultrix sh set writes to stderr and can't be redirected directly,
+# and sets the high bit in the cache file unless we assign to the vars.
+(set) 2>&1 |
+  case `(ac_space=' '; set | grep ac_space) 2>&1` in
+  *ac_space=\ *)
+    # `set' does not quote correctly, so add quotes (double-quote substitution
+    # turns \\\\ into \\, and sed turns \\ into \).
+    sed -n \
+      -e "s/'/'\\\\''/g" \
+      -e "s/^\\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\\)=\\(.*\\)/\\1=\${\\1='\\2'}/p"
+    ;;
+  *)
+    # `set' quotes correctly as required by POSIX, so do not add quotes.
+    sed -n -e 's/^\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\)=\(.*\)/\1=${\1=\2}/p'
+    ;;
+  esac >> confcache
+if cmp -s $cache_file confcache; then
+  :
+else
+  if test -w $cache_file; then
+    echo "updating cache $cache_file"
+    cat confcache > $cache_file
+  else
+    echo "not updating unwritable cache $cache_file"
+  fi
+fi
+rm -f confcache
+
+trap 'rm -fr conftest* confdefs* core core.* *.core $ac_clean_files; exit 1' 1 2 15
+
+test "x$prefix" = xNONE && prefix=$ac_default_prefix
+# Let make expand exec_prefix.
+test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
+
+# Any assignment to VPATH causes Sun make to only execute
+# the first set of double-colon rules, so remove it if not needed.
+# If there is a colon in the path, we need to keep it.
+if test "x$srcdir" = x.; then
+  ac_vpsub='/^[ 	]*VPATH[ 	]*=[^:]*$/d'
+fi
+
+trap 'rm -f $CONFIG_STATUS conftest*; exit 1' 1 2 15
+
+# Transform confdefs.h into DEFS.
+# Protect against shell expansion while executing Makefile rules.
+# Protect against Makefile macro expansion.
+cat > conftest.defs <<\EOF
+s%#define \([A-Za-z_][A-Za-z0-9_]*\) *\(.*\)%-D\1=\2%g
+s%[ 	`~#$^&*(){}\\|;'"<>?]%\\&%g
+s%\[%\\&%g
+s%\]%\\&%g
+s%\$%$$%g
+EOF
+DEFS=`sed -f conftest.defs confdefs.h | tr '\012' ' '`
+rm -f conftest.defs
+
+
+# Without the "./", some shells look in PATH for config.status.
+: ${CONFIG_STATUS=./config.status}
+
+echo creating $CONFIG_STATUS
+rm -f $CONFIG_STATUS
+cat > $CONFIG_STATUS <<EOF
+#! /bin/sh
+# Generated automatically by configure.
+# Run this file to recreate the current configuration.
+# This directory was configured as follows,
+# on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
+#
+# $0 $ac_configure_args
+#
+# Compiler output produced by configure, useful for debugging
+# configure, is in ./config.log if it exists.
+
+ac_cs_usage="Usage: $CONFIG_STATUS [--recheck] [--version] [--help]"
+for ac_option
+do
+  case "\$ac_option" in
+  -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
+    echo "running \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion"
+    exec \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion ;;
+  -version | --version | --versio | --versi | --vers | --ver | --ve | --v)
+    echo "$CONFIG_STATUS generated by autoconf version 2.13"
+    exit 0 ;;
+  -help | --help | --hel | --he | --h)
+    echo "\$ac_cs_usage"; exit 0 ;;
+  *) echo "\$ac_cs_usage"; exit 1 ;;
+  esac
+done
+
+ac_given_srcdir=$srcdir
+ac_given_INSTALL="$INSTALL"
+
+trap 'rm -fr `echo "Makefile" | sed "s/:[^ ]*//g"` conftest*; exit 1' 1 2 15
+EOF
+cat >> $CONFIG_STATUS <<EOF
+
+# Protect against being on the right side of a sed subst in config.status.
+sed 's/%@/@@/; s/@%/@@/; s/%g\$/@g/; /@g\$/s/[\\\\&%]/\\\\&/g;
+ s/@@/%@/; s/@@/@%/; s/@g\$/%g/' > conftest.subs <<\\CEOF
+$ac_vpsub
+$extrasub
+s%@SHELL@%$SHELL%g
+s%@CFLAGS@%$CFLAGS%g
+s%@CPPFLAGS@%$CPPFLAGS%g
+s%@CXXFLAGS@%$CXXFLAGS%g
+s%@FFLAGS@%$FFLAGS%g
+s%@DEFS@%$DEFS%g
+s%@LDFLAGS@%$LDFLAGS%g
+s%@LIBS@%$LIBS%g
+s%@exec_prefix@%$exec_prefix%g
+s%@prefix@%$prefix%g
+s%@program_transform_name@%$program_transform_name%g
+s%@bindir@%$bindir%g
+s%@sbindir@%$sbindir%g
+s%@libexecdir@%$libexecdir%g
+s%@datadir@%$datadir%g
+s%@sysconfdir@%$sysconfdir%g
+s%@sharedstatedir@%$sharedstatedir%g
+s%@localstatedir@%$localstatedir%g
+s%@libdir@%$libdir%g
+s%@includedir@%$includedir%g
+s%@oldincludedir@%$oldincludedir%g
+s%@infodir@%$infodir%g
+s%@mandir@%$mandir%g
+s%@host@%$host%g
+s%@host_alias@%$host_alias%g
+s%@host_cpu@%$host_cpu%g
+s%@host_vendor@%$host_vendor%g
+s%@host_os@%$host_os%g
+s%@target@%$target%g
+s%@target_alias@%$target_alias%g
+s%@target_cpu@%$target_cpu%g
+s%@target_vendor@%$target_vendor%g
+s%@target_os@%$target_os%g
+s%@build@%$build%g
+s%@build_alias@%$build_alias%g
+s%@build_cpu@%$build_cpu%g
+s%@build_vendor@%$build_vendor%g
+s%@build_os@%$build_os%g
+s%@boehm_gc_basedir@%$boehm_gc_basedir%g
+s%@INSTALL_PROGRAM@%$INSTALL_PROGRAM%g
+s%@INSTALL_SCRIPT@%$INSTALL_SCRIPT%g
+s%@INSTALL_DATA@%$INSTALL_DATA%g
+s%@PACKAGE@%$PACKAGE%g
+s%@VERSION@%$VERSION%g
+s%@ACLOCAL@%$ACLOCAL%g
+s%@AUTOCONF@%$AUTOCONF%g
+s%@AUTOMAKE@%$AUTOMAKE%g
+s%@AUTOHEADER@%$AUTOHEADER%g
+s%@MAKEINFO@%$MAKEINFO%g
+s%@SET_MAKE@%$SET_MAKE%g
+s%@CC@%$CC%g
+s%@CXX@%$CXX%g
+s%@AS@%$AS%g
+s%@AR@%$AR%g
+s%@RANLIB@%$RANLIB%g
+s%@MAINTAINER_MODE_TRUE@%$MAINTAINER_MODE_TRUE%g
+s%@MAINTAINER_MODE_FALSE@%$MAINTAINER_MODE_FALSE%g
+s%@MAINT@%$MAINT%g
+s%@EXEEXT@%$EXEEXT%g
+s%@BOEHM_GC_CFLAGS@%$BOEHM_GC_CFLAGS%g
+s%@target_all@%$target_all%g
+s%@INCLUDES@%$INCLUDES%g
+s%@CXXINCLUDES@%$CXXINCLUDES%g
+s%@addobjs@%$addobjs%g
+s%@MY_CFLAGS@%$MY_CFLAGS%g
+
+CEOF
+EOF
+
+cat >> $CONFIG_STATUS <<\EOF
+
+# Split the substitutions into bite-sized pieces for seds with
+# small command number limits, like on Digital OSF/1 and HP-UX.
+ac_max_sed_cmds=90 # Maximum number of lines to put in a sed script.
+ac_file=1 # Number of current file.
+ac_beg=1 # First line for current file.
+ac_end=$ac_max_sed_cmds # Line after last line for current file.
+ac_more_lines=:
+ac_sed_cmds=""
+while $ac_more_lines; do
+  if test $ac_beg -gt 1; then
+    sed "1,${ac_beg}d; ${ac_end}q" conftest.subs > conftest.s$ac_file
+  else
+    sed "${ac_end}q" conftest.subs > conftest.s$ac_file
+  fi
+  if test ! -s conftest.s$ac_file; then
+    ac_more_lines=false
+    rm -f conftest.s$ac_file
+  else
+    if test -z "$ac_sed_cmds"; then
+      ac_sed_cmds="sed -f conftest.s$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} $CONFIG_STATUS || exit 1
+
diff --git a/boehm-gc/configure.host b/boehm-gc/configure.host
new file mode 100644
index 00000000000..1903242fec4
--- /dev/null
+++ b/boehm-gc/configure.host
@@ -0,0 +1,43 @@
+# configure.host
+
+# This shell script handles all host based configuration for boehm_gc.
+# It sets various shell variables based on the the host and the
+# configuration options.  You can modify this shell script without
+# needing to rerun autoconf.
+
+# This shell script should be invoked as
+#   . configure.host
+# If it encounters an error, it will exit with a message.
+
+# It uses the following shell variables:
+#   host		The configuration host
+#   host_cpu		The configuration host CPU
+#   target_optspace	--enable-target-optspace ("yes", "no", "")
+
+# It sets the following shell variables:
+#   boehm_gc_cflags	Special CFLAGS to use when building
+
+boehm_gc_cflags=
+
+case "${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="${boehm_gc_cflags} -G 0"
+	;;
+  *)
+	;;
+esac
diff --git a/boehm-gc/configure.in b/boehm-gc/configure.in
new file mode 100644
index 00000000000..224c4668031
--- /dev/null
+++ b/boehm-gc/configure.in
@@ -0,0 +1,216 @@
+dnl Process this file with autoconf to produce configure.
+
+AC_INIT(gc_mark.h)
+
+dnl Can't be done in BOEHM_CONFIGURE because that confuses automake. 
+AC_CONFIG_AUX_DIR(..)
+
+AC_CANONICAL_SYSTEM
+
+BOEHM_CONFIGURE(.)
+
+dnl We use these options to decide which functions to include.
+AC_ARG_WITH(target-subdir,
+[  --with-target-subdir=SUBDIR      Configuring with a cross compiler])
+AC_ARG_WITH(cross-host,
+[  --with-cross-host=HOST           Configuring with a cross compiler])
+
+AM_MAINTAINER_MODE
+# automake wants to see AC_EXEEXT.  But we don't need it.  And having
+# it is actually a problem, because the compiler we're passed can't
+# necessarily do a full link.  So we fool automake here.
+if test "x" = "y"; then
+   AC_EXEEXT
+fi
+
+AC_MSG_CHECKING([for threads package to use])
+AC_ARG_ENABLE(threads, [  --enable-threads=TYPE    choose threading package],
+  THREADS=$enableval,
+  dnl FIXME: figure out native threads to use here.
+  THREADS=no)
+
+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
+       ;;
+    *)
+       # For now.
+       THREADS=none
+       ;;
+   esac
+fi
+
+INCLUDES=
+case "$THREADS" in
+ no | none | single)
+    THREADS=none
+    ;;
+ posix | pthreads)
+    THREADS=posix
+    case "$host" in
+     *-*-linux*)
+	AC_DEFINE(LINUX_THREADS)
+	AC_DEFINE(_REENTRANT)
+	;;
+     *-*-solaris*)
+	AC_DEFINE(SOLARIS_THREADS)
+	AC_DEFINE(_SOLARIS_PTHREADS)
+	;;
+    esac
+    ;;
+ qt)
+    AC_DEFINE(QUICK_THREADS)
+    INCLUDES="-I${boehm_gc_basedir}/../qthreads"
+    ;;
+ decosf1 | irix | mach | os2 | solaris | win32 | dce | vxworks)
+    AC_MSG_ERROR(thread package $THREADS not yet supported)
+    ;;
+ *)
+    AC_MSG_ERROR($THREADS is an unknown thread package)
+    ;;
+esac
+AC_MSG_RESULT($THREADS)
+
+AC_ARG_ENABLE(java-gc,
+changequote(<<,>>)dnl
+<<  --enable-java-gc=TYPE    choose garbage collector [boehm]>>,
+changequote([,])
+  GC=$enableval,
+  GC=boehm)
+target_all=
+if test "$GC" = "boehm"; then
+   target_all=libgcjgc.a
+fi
+AC_SUBST(target_all)
+
+dnl If the target is an eCos system, use the appropriate eCos
+dnl I/O routines.
+dnl FIXME: this should not be a local option but a global target
+dnl system; at present there is no eCos target.
+TARGET_ECOS="no"
+AC_ARG_WITH(ecos,
+[  --with-ecos      Enable runtime eCos target support.],
+TARGET_ECOS="$with_ecos"
+)
+
+addobjs=
+CXXINCLUDES=
+case "$TARGET_ECOS" in
+   no)
+      ;;
+   *)
+      AC_DEFINE(ECOS)
+      CXXINCLUDES="-I${TARGET_ECOS}/include"
+      addobjs="$addobjs ecos.o"
+      ;;
+esac
+AC_SUBST(CXX)
+
+AC_SUBST(INCLUDES)
+AC_SUBST(CXXINCLUDES)
+
+machdep=
+case "$host" in
+ mipstx39-*-elf*)
+    machdep="mips_ultrix_mach_dep.o"
+    AC_DEFINE(STACKBASE, __stackbase)
+    AC_DEFINE(DATASTART_IS_ETEXT)
+    ;;
+ sparc-sun-solaris2.3*)
+    AC_DEFINE(SUNOS53_SHARED_LIB)
+    ;;
+esac
+if test x"$machdep" = x; then
+   machdep="mach_dep.o"
+fi
+addobjs="$addobjs $machdep"
+AC_SUBST(addobjs)
+
+dnl As of 4.13a2, the collector will not properly work on Solaris when
+dnl built with gcc and -O.  So we remove -O in the appropriate case.
+case "$host" in
+ sparc-sun-solaris2*)
+    if test "$GCC" = yes; then
+       new_CFLAGS=
+       for i in $CFLAGS; do
+	  case "$i" in
+	   -O*)
+	      ;;
+	   *)
+	      new_CFLAGS="$new_CFLAGS $i"
+	      ;;
+	  esac
+       done
+       CFLAGS="$new_CFLAGS"
+    fi
+    ;;
+esac
+
+dnl We need to override the top-level CFLAGS.  This is how we do it.
+MY_CFLAGS="$CFLAGS"
+AC_SUBST(MY_CFLAGS)
+
+dnl Define a few things to retarget the library towards
+dnl embedded Java.
+AC_DEFINE(SILENT)
+AC_DEFINE(NO_SIGNALS)
+AC_DEFINE(NO_DEBUGGING)
+AC_DEFINE(JAVA_FINALIZATION)
+
+dnl Create boehm-config.h so that libjava can find it.
+dnl It is required to use gc_priv.h, which is required to write
+dnl a new marking function.  So config.h in this package is
+dnl poorly named.
+AC_LINK_FILES(config.h, boehm-config.h)
+
+dnl This is something of a hack.  When cross-compiling we turn off
+dnl some functionality.  We also enable the "small" configuration.
+dnl These is only correct when targetting an embedded system.  FIXME.
+if test -n "${with_cross_host}"; then
+   AC_DEFINE(NO_SIGSET)
+   AC_DEFINE(NO_CLOCK)
+   AC_DEFINE(SMALL_CONFIG)
+fi
+
+if test "${multilib}" = "yes"; then
+  multilib_arg="--enable-multilib"
+else
+  multilib_arg=
+fi
+
+AC_OUTPUT(Makefile,
+[
+dnl Put all the -D options in a file.  These are required before
+dnl boehm-config.h can be included.  This is a huge hack brought
+dnl about by overall poor structuring of this entire library.
+echo "$DEFS" > boehm-cflags
+
+if test -n "$CONFIG_FILES"; then
+  ac_file=Makefile . ${boehm_gc_basedir}/../config-ml.in
+fi],
+srcdir=${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"
+)
diff --git a/boehm-gc/dbg_mlc.c b/boehm-gc/dbg_mlc.c
index 6c4b2ba56b9..079e43be7cb 100644
--- a/boehm-gc/dbg_mlc.c
+++ b/boehm-gc/dbg_mlc.c
@@ -80,6 +80,16 @@ ptr_t p;
     return(FALSE);
 }
 
+/* Return start of object that might have debugging info.  */
+ptr_t GC_debug_object_start(p)
+ptr_t p;
+{
+    register word * result = (word *)((oh *)p + 1);
+    if (! GC_has_debug_info(p))
+        return(p);
+    return((ptr_t)result);
+}
+
 /* Store debugging info into p.  Return displaced pointer. */
 /* Assumes we don't hold allocation lock.		   */
 ptr_t GC_store_debug_info(p, sz, string, integer)
@@ -231,6 +241,35 @@ void GC_start_debugging()
     return (GC_store_debug_info(result, (word)lb, s, (word)i));
 }
 
+# ifdef __STDC__
+    GC_PTR GC_debug_generic_malloc(size_t lb, int k, EXTRA_ARGS)
+# else
+    GC_PTR GC_debug_malloc(lb, k, s, i)
+    size_t lb;
+    int k;
+    char * s;
+    int i;
+#   ifdef GC_ADD_CALLER
+	--> GC_ADD_CALLER not implemented for K&R C
+#   endif
+# endif
+{
+    GC_PTR result = GC_generic_malloc(lb + DEBUG_BYTES, k);
+    
+    if (result == 0) {
+        GC_err_printf1("GC_debug_malloc(%ld) returning NIL (",
+        	       (unsigned long) lb);
+        GC_err_puts(s);
+        GC_err_printf1(":%ld)\n", (unsigned long)i);
+        return(0);
+    }
+    if (!GC_debugging_started) {
+    	GC_start_debugging();
+    }
+    ADD_CALL_CHAIN(result, ra);
+    return (GC_store_debug_info(result, (word)lb, s, (word)i));
+}
+
 #ifdef STUBBORN_ALLOC
 # ifdef __STDC__
     GC_PTR GC_debug_malloc_stubborn(size_t lb, EXTRA_ARGS)
@@ -627,3 +666,28 @@ struct closure {
     GC_register_finalizer_ignore_self(base, GC_debug_invoke_finalizer,
     			  	      GC_make_closure(fn,cd), ofn, ocd);
 }
+
+# ifdef __STDC__
+    void GC_debug_register_finalizer_no_order
+    				    (GC_PTR obj, GC_finalization_proc fn,
+    				     GC_PTR cd, GC_finalization_proc *ofn,
+				     GC_PTR *ocd)
+# else
+    void GC_debug_register_finalizer_no_order
+    				    (obj, fn, cd, ofn, ocd)
+    GC_PTR obj;
+    GC_finalization_proc fn;
+    GC_PTR cd;
+    GC_finalization_proc *ofn;
+    GC_PTR *ocd;
+# endif
+{
+    ptr_t base = GC_base(obj);
+    if (0 == base || (ptr_t)obj - base != sizeof(oh)) {
+        GC_err_printf1(
+	    "GC_register_finalizer_no_order called with non-base-pointer 0x%lx\n",
+	    obj);
+    }
+    GC_register_finalizer_no_order(base, GC_debug_invoke_finalizer,
+    			  	      GC_make_closure(fn,cd), ofn, ocd);
+}
diff --git a/boehm-gc/dyn_load.c b/boehm-gc/dyn_load.c
index 0785a6e92ce..053532a31b4 100644
--- a/boehm-gc/dyn_load.c
+++ b/boehm-gc/dyn_load.c
@@ -161,7 +161,8 @@ static ptr_t GC_first_common()
 
 # if defined(SUNOS4) || defined(SUNOS5DL)
 /* Add dynamic library data sections to the root set.		*/
-# if !defined(PCR) && !defined(SOLARIS_THREADS) && defined(THREADS)
+# if !defined(PCR) && !defined(SOLARIS_THREADS) \
+	&& !defined(QUICK_THREADS) && defined(THREADS)
 #   ifndef SRC_M3
 	--> fix mutual exclusion with dlopen
 #   endif  /* We assume M3 programs don't call dlopen for now */
diff --git a/boehm-gc/gc.h b/boehm-gc/gc.h
index 09c8ca8196c..a4d57e860d1 100644
--- a/boehm-gc/gc.h
+++ b/boehm-gc/gc.h
@@ -334,6 +334,8 @@ GC_API void GC_debug_end_stubborn_change GC_PROTO((GC_PTR));
 	GC_debug_register_finalizer(p, f, d, of, od)
 #   define GC_REGISTER_FINALIZER_IGNORE_SELF(p, f, d, of, od) \
 	GC_debug_register_finalizer_ignore_self(p, f, d, of, od)
+#   define GC_REGISTER_FINALIZER_NO_ORDER(p, f, d, of, od) \
+	GC_debug_register_finalizer_no_order(p, f, d, of, od)
 #   define GC_MALLOC_STUBBORN(sz) GC_debug_malloc_stubborn(sz, GC_EXTRAS);
 #   define GC_CHANGE_STUBBORN(p) GC_debug_change_stubborn(p)
 #   define GC_END_STUBBORN_CHANGE(p) GC_debug_end_stubborn_change(p)
@@ -350,6 +352,8 @@ GC_API void GC_debug_end_stubborn_change GC_PROTO((GC_PTR));
 	GC_register_finalizer(p, f, d, of, od)
 #   define GC_REGISTER_FINALIZER_IGNORE_SELF(p, f, d, of, od) \
 	GC_register_finalizer_ignore_self(p, f, d, of, od)
+#   define GC_REGISTER_FINALIZER_NO_ORDER(p, f, d, of, od) \
+	GC_register_finalizer_no_order(p, f, d, of, od)
 #   define GC_MALLOC_STUBBORN(sz) GC_malloc_stubborn(sz)
 #   define GC_CHANGE_STUBBORN(p) GC_change_stubborn(p)
 #   define GC_END_STUBBORN_CHANGE(p) GC_end_stubborn_change(p)
@@ -428,6 +432,15 @@ GC_API void GC_debug_register_finalizer_ignore_self
 	GC_PROTO((GC_PTR obj, GC_finalization_proc fn, GC_PTR cd,
 		  GC_finalization_proc *ofn, GC_PTR *ocd));
 
+/* Another version of the above.  It ignores all cycles.        */
+/* It should probably only be used by Java implementations.      */
+GC_API void GC_register_finalizer_no_order
+	GC_PROTO((GC_PTR obj, GC_finalization_proc fn, GC_PTR cd,
+		  GC_finalization_proc *ofn, GC_PTR *ocd));
+GC_API void GC_debug_register_finalizer_no_order
+	GC_PROTO((GC_PTR obj, GC_finalization_proc fn, GC_PTR cd,
+		  GC_finalization_proc *ofn, GC_PTR *ocd));
+
 /* The following routine may be used to break cycles between	*/
 /* finalizable objects, thus causing cyclic finalizable		*/
 /* objects to be finalized in the correct order.  Standard	*/
diff --git a/boehm-gc/gc_priv.h b/boehm-gc/gc_priv.h
index 96ba1da1044..888e46e1e60 100644
--- a/boehm-gc/gc_priv.h
+++ b/boehm-gc/gc_priv.h
@@ -434,7 +434,7 @@ void GC_print_callers (/* struct callinfo info[NFRAMES] */);
 #  ifdef LINUX_THREADS
 #    include <pthread.h>
 #    ifdef __i386__
-       inline static GC_test_and_set(volatile unsigned int *addr) {
+       inline static int GC_test_and_set(volatile unsigned int *addr) {
 	  int oldval;
 	  /* Note: the "xchg" instruction does not need a "lock" prefix */
 	  __asm__ __volatile__("xchgl %0, %1"
@@ -520,6 +520,10 @@ void GC_print_callers (/* struct callinfo info[NFRAMES] */);
 #    define LOCK() EnterCriticalSection(&GC_allocate_ml);
 #    define UNLOCK() LeaveCriticalSection(&GC_allocate_ml);
 #  endif
+#  ifdef QUICK_THREADS
+#    define LOCK()
+#    define UNLOCK()
+#  endif
 #  ifndef SET_LOCK_HOLDER
 #      define SET_LOCK_HOLDER()
 #      define UNSET_LOCK_HOLDER()
@@ -1467,6 +1471,10 @@ void GC_print_obj(/* ptr_t p */);
 			/* P points to somewhere inside an object with	*/
 			/* debugging info.  Print a human readable	*/
 			/* description of the object to stderr.		*/
+ptr_t GC_debug_object_start(/* ptr_t p */);
+			/* P points to the start of an object that may  */
+			/* have debug info at its head.  Return the     */
+			/* start of the real data.                      */
 extern void (*GC_check_heap)();
 			/* Check that all objects in the heap with 	*/
 			/* debugging info are intact.  Print 		*/
diff --git a/boehm-gc/mark.c b/boehm-gc/mark.c
index 1723a446cc0..632e792c56f 100644
--- a/boehm-gc/mark.c
+++ b/boehm-gc/mark.c
@@ -464,6 +464,9 @@ void GC_mark_from_mark_stack()
         case DS_PROC:
           GC_mark_stack_top_reg--;
           credit -= PROC_BYTES;
+#ifdef GC_DEBUG
+	  current_p = GC_debug_object_start(current_p);
+#endif
           GC_mark_stack_top_reg =
               (*PROC(descr))
               	    (current_p, GC_mark_stack_top_reg,
diff --git a/boehm-gc/misc.c b/boehm-gc/misc.c
index 4c76af81968..94e19576323 100644
--- a/boehm-gc/misc.c
+++ b/boehm-gc/misc.c
@@ -48,7 +48,11 @@
 #		endif
 	        pthread_t GC_lock_holder = NO_THREAD;
 #	      else
-	        --> declare allocator lock here
+#               if defined(QUICK_THREADS)
+                    /* Nothing.  */
+#               else
+	            --> declare allocator lock here
+#               endif
 #	      endif
 #	   endif
 #	endif
@@ -56,6 +60,10 @@
 #   endif
 # endif
 
+#ifdef ECOS
+#undef STACKBASE
+#endif
+
 GC_FAR struct _GC_arrays GC_arrays /* = { 0 } */;
 
 
@@ -391,6 +399,10 @@ size_t GC_get_bytes_since_gc GC_PROTO(())
 
 GC_bool GC_is_initialized = FALSE;
 
+#if defined(SOLARIS_THREADS) || defined(IRIX_THREADS)
+    extern void GC_thr_init();
+#endif
+
 void GC_init()
 {
     DCL_LOCK_STATE;
@@ -435,7 +447,7 @@ void GC_init_inner()
 #   if !defined(THREADS) || defined(SOLARIS_THREADS) || defined(WIN32_THREADS) \
        || defined(IRIX_THREADS) || defined(LINUX_THREADS)
       if (GC_stackbottom == 0) {
-	GC_stackbottom = GC_get_stack_base();
+	  GC_stackbottom = GC_get_stack_base();
       }
 #   endif
     if  (sizeof (ptr_t) != sizeof(word)) {
@@ -637,7 +649,7 @@ int GC_tmp;  /* Should really be local ... */
 # endif
 #endif
 
-#if !defined(MSWIN32)  && !defined(OS2) && !defined(MACOS)
+#if !defined(MSWIN32)  && !defined(OS2) && !defined(MACOS) && !defined(ECOS)
 int GC_write(fd, buf, len)
 int fd;
 char *buf;
@@ -660,6 +672,15 @@ size_t len;
 }
 #endif /* UN*X */
 
+#if defined(ECOS)
+int GC_write(fd, buf, len)
+{
+  _Jv_diag_write (buf, len);
+  return len;
+}
+#endif
+
+
 #ifdef MSWIN32
 #   define WRITE(f, buf, len) (GC_set_files(), \
 			       GC_tmp = WriteFile((f), (buf), \
diff --git a/boehm-gc/os_dep.c b/boehm-gc/os_dep.c
index d64dd5c0a81..5372d7fb0c9 100644
--- a/boehm-gc/os_dep.c
+++ b/boehm-gc/os_dep.c
@@ -148,6 +148,39 @@
   }
 #endif
 
+# ifdef ECOS
+
+# ifndef ECOS_GC_MEMORY_SIZE
+# define ECOS_GC_MEMORY_SIZE (448 * 1024)
+# endif /* ECOS_GC_MEMORY_SIZE */
+
+// setjmp() function, as described in ANSI para 7.6.1.1
+#define setjmp( __env__ )  hal_setjmp( __env__ )
+
+// FIXME: This is a simple way of allocating memory which is
+// compatible with ECOS early releases.  Later releases use a more
+// sophisticated means of allocating memory than this simple static
+// allocator, but this method is at least bound to work.
+static char memory[ECOS_GC_MEMORY_SIZE];
+static char *brk = memory;
+
+static void *tiny_sbrk(ptrdiff_t increment)
+{
+  void *p = brk;
+
+  brk += increment;
+
+  if (brk >  memory + sizeof memory)
+    {
+      brk -= increment;
+      return NULL;
+    }
+
+  return p;
+}
+#define sbrk tiny_sbrk
+# endif /* ECOS */
+
 # ifdef OS2
 
 # include <stddef.h>
@@ -252,7 +285,8 @@ void GC_enable_signals(void)
 # else
 
 #  if !defined(PCR) && !defined(AMIGA) && !defined(MSWIN32) \
-      && !defined(MACOS) && !defined(DJGPP) && !defined(DOS4GW)
+      && !defined(MACOS) && !defined(DJGPP) && !defined(DOS4GW) \
+      && !defined(NO_SIGSET)
 
 #   if defined(sigmask) && !defined(UTS4)
 	/* Use the traditional BSD interface */
@@ -327,7 +361,7 @@ void GC_enable_signals()
 # endif /*!OS/2 */
 
 /* Ivan Demakov: simplest way (to me) */
-#ifdef DOS4GW
+#if defined (DOS4GW) || defined (NO_SIGSET)
   void GC_disable_signals() { }
   void GC_enable_signals() { }
 #endif
@@ -478,6 +512,7 @@ ptr_t GC_get_stack_base()
     
     void GC_setup_temporary_fault_handler()
     {
+# ifndef ECOS
 #	if defined(SUNOS5SIGS) || defined(IRIX5)
 	  struct sigaction	act;
 
@@ -510,10 +545,12 @@ ptr_t GC_get_stack_base()
 	    old_bus_handler = signal(SIGBUS, GC_fault_handler);
 #	  endif
 #	endif
+# endif /* ECOS */
     }
     
     void GC_reset_fault_handler()
     {
+# ifndef ECOS
 #       if defined(SUNOS5SIGS) || defined(IRIX5)
 	  (void) sigaction(SIGSEGV, &old_segv_act, 0);
 #	  ifdef _sigargs	/* Irix 5.x, not 6.x */
@@ -525,6 +562,7 @@ ptr_t GC_get_stack_base()
 	    (void) signal(SIGBUS, old_bus_handler);
 #	  endif
 #       endif
+# endif /* ECOS */
     }
 
     /* Return the first nonaddressible location > p (up) or 	*/
@@ -533,6 +571,7 @@ ptr_t GC_get_stack_base()
     ptr_t p;
     GC_bool up;
     {
+# ifndef ECOS
         static VOLATILE ptr_t result;
     		/* Needs to be static, since otherwise it may not be	*/
     		/* preserved across the longjmp.  Can safely be 	*/
@@ -558,10 +597,14 @@ ptr_t GC_get_stack_base()
 	    result += MIN_PAGE_SIZE;
  	}
 	return(result);
+# else /* ECOS */
+	abort();
+# endif /* ECOS */
     }
 # endif
 
 
+# ifndef ECOS
 ptr_t GC_get_stack_base()
 {
     word dummy;
@@ -569,6 +612,10 @@ ptr_t GC_get_stack_base()
 
 #   define STACKBOTTOM_ALIGNMENT_M1 ((word)STACK_GRAN - 1)
 
+#  if defined(STACKBASE)
+    extern ptr_t STACKBASE;
+    return(STACKBASE);
+#   else
 #   ifdef STACKBOTTOM
 	return(STACKBOTTOM);
 #   else
@@ -604,7 +651,9 @@ ptr_t GC_get_stack_base()
 #	endif /* HEURISTIC2 */
     	return(result);
 #   endif /* STACKBOTTOM */
+#   endif /* STACKBASE */
 }
+# endif /* ECOS */
 
 # endif /* ! AMIGA */
 # endif /* ! OS2 */
@@ -1225,7 +1274,8 @@ void GC_default_push_other_roots()
 # endif /* SRC_M3 */
 
 # if defined(SOLARIS_THREADS) || defined(WIN32_THREADS) \
-     || defined(IRIX_THREADS) || defined LINUX_THREADS
+     || defined(IRIX_THREADS) || defined(LINUX_THREADS) \
+     || defined(QUICK_THREADS)
 
 extern void GC_push_all_stacks();
 
diff --git a/boehm-gc/quick_threads.c b/boehm-gc/quick_threads.c
new file mode 100644
index 00000000000..adc26da6d59
--- /dev/null
+++ b/boehm-gc/quick_threads.c
@@ -0,0 +1,55 @@
+/*
+ * Support code for cooperative coop/quick threads.
+ * Copyright (c) 1998, 1999 Cygnus Solutions.
+ */
+
+#include "boehm-config.h"
+
+#ifdef QUICK_THREADS
+
+#include "gc_priv.h"
+
+#include "coop.h"
+
+void GC_push_all_stacks (void)
+{
+  coop_t *t;
+  ptr_t lo, hi;
+
+  t = coop_first_thread ();
+
+  if (t == NULL)
+    {
+      /* Threads haven't started, so mark the real stack.  */
+#ifdef STACK_GROWS_DOWN
+      GC_push_all_stack( GC_approx_sp(), GC_stackbottom );
+#else
+      GC_push_all_stack( GC_stackbottom, GC_approx_sp() );
+#endif
+    }
+  else
+    {
+      for ( ; t != NULL; t = coop_next_thread (t))
+	{
+	  if (t == coop_global_curr)
+	    lo = GC_approx_sp ();
+	  else
+	    {
+	      lo = t->top;
+	      /* LO can be NULL when the new thread has not yet been
+		 used.  */
+	      if (! lo)
+		continue;
+	    }
+	  hi = t->base;
+
+#ifdef STACK_GROWS_DOWN
+	  GC_push_all_stack (lo, hi);
+#else
+	  GC_push_all_stack (hi, lo);
+#endif
+	}
+    }
+}
+
+#endif /* QUICK_THREADS */
diff --git a/boehm-gc/solaris_pthreads.c b/boehm-gc/solaris_pthreads.c
index c28a052a80d..91a0f01b33f 100644
--- a/boehm-gc/solaris_pthreads.c
+++ b/boehm-gc/solaris_pthreads.c
@@ -16,7 +16,6 @@
  * Modified Peter C. for Solaris Posix Threads.
  */
 /* Boehm, September 14, 1994 4:44 pm PDT */
-/* $Id: solaris_pthreads.c,v 1.1 1999/04/07 14:56:06 tromey Exp $ */
 
 # if defined(_SOLARIS_PTHREADS)
 # include "gc_priv.h"
@@ -46,7 +45,7 @@ pthread_cond_t GC_prom_join_cv;		/* Broadcast when any thread terminates	*/
 pthread_cond_t GC_create_cv;		/* Signalled when a new undetached	*/
 				/* thread starts.			*/
 				
-extern bool GC_multithreaded;
+extern GC_bool GC_multithreaded;
 
 /* We use the allocation lock to protect thread-related data structures. */