--- libada/Makefile.in.jj	2009-01-14 12:07:35.000000000 +0100
+++ libada/Makefile.in	2009-01-15 14:25:33.000000000 +0100
@@ -66,18 +66,40 @@ libsubdir := $(libdir)/gcc/$(target_nonc
 ADA_RTS_DIR=$(GCC_DIR)/ada/rts$(subst /,_,$(MULTISUBDIR))
 ADA_RTS_SUBDIR=./rts$(subst /,_,$(MULTISUBDIR))
 
+DEFAULTMULTIFLAGS :=
+ifeq ($(MULTISUBDIR),)
+targ:=$(subst -, ,$(target))
+arch:=$(word 1,$(targ))
+ifeq ($(words $(targ)),2)
+osys:=$(word 2,$(targ))
+else
+osys:=$(word 3,$(targ))
+endif
+ifeq ($(strip $(filter-out i%86 x86_64 powerpc% ppc% s390% sparc% linux%, $(arch) $(osys))),)
+ifeq ($(shell $(CC) $(CFLAGS) -print-multi-os-directory),../lib64)
+DEFAULTMULTIFLAGS := -m64
+else
+ifeq ($(strip $(filter-out s390%, $(arch))),)
+DEFAULTMULTIFLAGS := -m31
+else
+DEFAULTMULTIFLAGS := -m32
+endif
+endif
+endif
+endif
+
 # exeext should not be used because it's the *host* exeext.  We're building
 # a *target* library, aren't we?!?  Likewise for CC.  Still, provide bogus
 # definitions just in case something slips through the safety net provided
 # by recursive make invocations in gcc/ada/Makefile.in
 LIBADA_FLAGS_TO_PASS = \
         "MAKEOVERRIDES=" \
-        "LDFLAGS=$(LDFLAGS)" \
+        "LDFLAGS=$(LDFLAGS) $(DEFAULTMULTIFLAGS)" \
         "LN_S=$(LN_S)" \
         "SHELL=$(SHELL)" \
-        "GNATLIBFLAGS=$(GNATLIBFLAGS) $(MULTIFLAGS)" \
-        "GNATLIBCFLAGS=$(GNATLIBCFLAGS) $(MULTIFLAGS)" \
-        "GNATLIBCFLAGS_FOR_C=$(GNATLIBCFLAGS_FOR_C) $(MULTIFLAGS)" \
+        "GNATLIBFLAGS=$(GNATLIBFLAGS) $(MULTIFLAGS) $(DEFAULTMULTIFLAGS)" \
+        "GNATLIBCFLAGS=$(GNATLIBCFLAGS) $(MULTIFLAGS) $(DEFAULTMULTIFLAGS)" \
+        "GNATLIBCFLAGS_FOR_C=$(GNATLIBCFLAGS_FOR_C) $(MULTIFLAGS) $(DEFAULTMULTIFLAGS)" \
         "PICFLAG_FOR_TARGET=$(PICFLAG)" \
         "THREAD_KIND=$(THREAD_KIND)" \
         "TRACE=$(TRACE)" \
@@ -88,7 +110,7 @@ LIBADA_FLAGS_TO_PASS = \
         "exeext=.exeext.should.not.be.used " \
 	'CC=the.host.compiler.should.not.be.needed' \
 	"GCC_FOR_TARGET=$(CC)" \
-        "CFLAGS=$(CFLAGS)"
+        "CFLAGS=$(CFLAGS) $(DEFAULTMULTIFLAGS)"
 
 # Rules to build gnatlib.
 .PHONY: gnatlib gnatlib-plain gnatlib-sjlj gnatlib-zcx gnatlib-shared osconstool
--- gcc/ada/sem_util.adb	(revision 161677)
+++ gcc/ada/sem_util.adb	(working copy)
@@ -5487,7 +5487,7 @@ package body Sem_Util is
             Exp           : Node_Id;
             Assn          : Node_Id;
             Choice        : Node_Id;
-            Comp_Type     : Entity_Id;
+            Comp_Type     : Entity_Id := Empty;
             Is_Array_Aggr : Boolean;
 
          begin
--- config-ml.in.jj	2010-06-30 09:50:44.000000000 +0200
+++ config-ml.in	2010-07-02 21:24:17.994211151 +0200
@@ -516,6 +516,8 @@ multi-do:
 				ADAFLAGS="$(ADAFLAGS) $${flags}" \
 				prefix="$(prefix)" \
 				exec_prefix="$(exec_prefix)" \
+				mandir="$(mandir)" \
+				infodir="$(infodir)" \
 				GCJFLAGS="$(GCJFLAGS) $${flags}" \
 				GOCFLAGS="$(GOCFLAGS) $${flags}" \
 				CXXFLAGS="$(CXXFLAGS) $${flags}" \
--- libjava/Makefile.am.jj	2010-07-09 11:17:33.729604090 +0200
+++ libjava/Makefile.am	2010-07-09 13:16:41.894375641 +0200
@@ -710,7 +710,8 @@ if USE_LIBGCJ_BC
 ## later.
 	@echo Installing dummy lib libgcj_bc.so.1.0.0; \
 	rm $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so; \
-	mv $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so.1.0.0 $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so; \
+	$(INSTALL) $(INSTALL_STRIP_FLAG) $(here)/.libs/libgcj_bc.so $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so; \
+	rm $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so.1.0.0; \
 	$(libgcj_bc_dummy_LINK) -xc /dev/null -Wl,-soname,libgcj_bc.so.1 \
 	-o $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so.1.0.0 -lgcj || exit; \
 	rm $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so.1; \
--- libjava/Makefile.in.jj	2010-07-09 11:17:34.000000000 +0200
+++ libjava/Makefile.in	2010-07-09 13:18:07.542572270 +0200
@@ -12665,7 +12665,8 @@ install-exec-hook: install-binPROGRAMS i
 	install-libexecsubPROGRAMS
 @USE_LIBGCJ_BC_TRUE@	@echo Installing dummy lib libgcj_bc.so.1.0.0; \
 @USE_LIBGCJ_BC_TRUE@	rm $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so; \
-@USE_LIBGCJ_BC_TRUE@	mv $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so.1.0.0 $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so; \
+@USE_LIBGCJ_BC_TRUE@	$(INSTALL) $(INSTALL_STRIP_FLAG) $(here)/.libs/libgcj_bc.so $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so; \
+@USE_LIBGCJ_BC_TRUE@	rm $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so.1.0.0; \
 @USE_LIBGCJ_BC_TRUE@	$(libgcj_bc_dummy_LINK) -xc /dev/null -Wl,-soname,libgcj_bc.so.1 \
 @USE_LIBGCJ_BC_TRUE@	-o $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so.1.0.0 -lgcj || exit; \
 @USE_LIBGCJ_BC_TRUE@	rm $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so.1; \