Import GC 6.3alpha1.

	* BCC_MAKEFILE: Merge with GC 6.3alpha1 release.
	* ChangeLog: Likewise.
	* Makefile.am: Likewise.
	* Makefile.direct: Likewise.
	* Makefile.dj: Likewise.
	* allchblk.c: Likewise.
	* alloc.c: Likewise.
	* backgraph.c: Likewise.
	* configure.host: Likewise.
	* configure.in: Likewise.
	* dbg_mlc.c: Likewise.
	* dyn_load.c: Likewise.
	* finalize.c: Likewise.
	* gc_cpp.cc: Likewise.
	* gc_dlopen.c: Likewise.
	* gcj_mlc.c: Likewise.
	* if_mach.c: Likewise.
	* mach_dep.c: Likewise.
	* malloc.c: Likewise.
	* mallocx.c: Likewise.
	* mark.c: Likewise.
	* mark_rts.c: Likewise.
	* misc.c: Likewise.
	* os_dep.c: Likewise.
	* ptr_chck.c: Likewise.
	* reclaim.c: Likewise.
	* solaris_pthreads.c: Likewise.
	* solaris_threads.c: Likewise.
	* sparc_mach_dep.S: Likewise.
	* threadlibs.c: Likewise.
	* typd_mlc.c: Likewise.
	* version.h: Likewise.
	* win32_threads.c: Likewise.
	* Mac_files/MacOS_Test_config.h: Likewise.
	* Mac_files/MacOS_config.h: Likewise.
	* cord/cordbscs.c: Likewise.
	* cord/cordprnt.c: Likewise.
	* cord/de_win.c: Likewise.
	* doc/README: Likewise.
	* doc/README.MacOSX: Likewise.
	* doc/README.changes: Likewise.
	* doc/README.environment: Likewise.
	* doc/README.ews4800: Likewise.
	* doc/README.linux: Likewise.
	* doc/README.macros: Likewise.
	* doc/README.win32: Likewise.
	* doc/debugging.html: Likewise.
	* doc/gcdescr.html: Likewise.
	* doc/tree.html: Likewise.
	* include/Makefile.in: Likewise.
	* include/gc.h: Likewise.
	* include/gc_cpp.h: Likewise.
	* include/gc_local_alloc.h: Likewise.
	* include/gc_mark.h: Likewise.
	* include/gc_pthread_redirects.h: Likewise.
	* include/gc_typed.h: Likewise.
	* include/new_gc_alloc.h: Likewise.
	* include/private/dbg_mlc.h: Likewise.
	* include/private/gc_hdrs.h: Likewise.
	* include/private/gc_locks.h: Likewise.
	* include/private/gc_pmark.h: Likewise.
	* include/private/gc_priv.h: Likewise.
	* include/private/gcconfig.h: Likewise.
	* include/private/solaris_threads.h: Likewise.
	* include/private/specific.h: Likewise.
	* tests/test.c: Likewise.
	* tests/test_cpp.cc: Likewise.

	* configure: Rebuild.
	* Makefile.in: Rebuild.

	* mips_sgi_mach_dep.s: Add.

	* alpha_mach_dep.s: Remove.
	* irix_threads.c: Remove.
	* linux_threads.c: Remove.
	* mips_sgi_mach_dep.S: Remove.
	* missing: Remove.
	* powerpc_macosx_mach_dep.s: Remove.
	* doc/Makefile.am: Remove.
	* doc/Makefile.in: Remove.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@69880 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 17 insertions, 11 deletions

diff --git a/boehm-gc/configure.host b/boehm-gc/configure.host
index 82294cf6ef1..a98a0a7cb30 100644
--- a/boehm-gc/configure.host
+++ b/boehm-gc/configure.host
@@ -14,22 +14,28 @@
 #   host		The configuration host
 #   host_cpu		The configuration host CPU
 #   target_optspace	--enable-target-optspace ("yes", "no", "")
+#   GCC                 should be "yes" if using gcc
 
 # It sets the following shell variables:
 #   gc_cflags	Special CFLAGS to use when building
 
+gc_cflags=""
+
 # We should set -fexceptions if we are using gcc and might be used
 # inside something like gcj.  This is the zeroth approximation:
-case "$host" in 
-    *-*-linux* )
-    gc_cflags=-fexceptions
-    ;;
-    hppa*-*-hpux* )
-    if test $GCC != "yes" ; then
-        gc_cflags=+ESdbgasm
-    fi
-    ;;
-esac
+if test :"$GCC": = :yes: ; then
+    gc_cflags="${gc_cflags} -fexceptions"
+else
+    case "$host" in 
+        hppa*-*-hpux* )
+	if test :$GCC: != :"yes": ; then
+            gc_cflags="${gc_flags} +ESdbgasm"
+	fi
+        # :TODO: actaully we should check using Autoconf if
+        #     the compiler supports this option.
+        ;;
+    esac
+fi
 
 case "${target_optspace}:${host}" in
   yes:*)
@@ -48,7 +54,7 @@ esac
 
 case "${host}" in
   mips-tx39-*|mipstx39-unknown-*)
-	boehm_gc_cflags="${boehm_gc_cflags} -G 0"
+	gc_cflags="${gc_cflags} -G 0"
 	;;
   *)
 	;;