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--- libada/Makefile.in.jj	2009-01-14 12:07:35.000000000 +0100
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+++ libada/Makefile.in	2009-01-15 14:25:33.000000000 +0100
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@@ -66,18 +66,40 @@ libsubdir := $(libdir)/gcc/$(target_nonc
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 ADA_RTS_DIR=$(GCC_DIR)/ada/rts$(subst /,_,$(MULTISUBDIR))
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 ADA_RTS_SUBDIR=./rts$(subst /,_,$(MULTISUBDIR))
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+DEFAULTMULTIFLAGS :=
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+ifeq ($(MULTISUBDIR),)
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+targ:=$(subst -, ,$(target))
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+arch:=$(word 1,$(targ))
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+ifeq ($(words $(targ)),2)
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+osys:=$(word 2,$(targ))
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+else
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+osys:=$(word 3,$(targ))
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+endif
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+ifeq ($(strip $(filter-out i%86 x86_64 powerpc% ppc% s390% sparc% linux%, $(arch) $(osys))),)
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+ifeq ($(shell $(CC) $(CFLAGS) -print-multi-os-directory),../lib64)
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+DEFAULTMULTIFLAGS := -m64
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+else
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+ifeq ($(strip $(filter-out s390%, $(arch))),)
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+DEFAULTMULTIFLAGS := -m31
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+else
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+DEFAULTMULTIFLAGS := -m32
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+endif
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+endif
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+endif
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+endif
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+
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 # exeext should not be used because it's the *host* exeext.  We're building
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 # a *target* library, aren't we?!?  Likewise for CC.  Still, provide bogus
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 # definitions just in case something slips through the safety net provided
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 # by recursive make invocations in gcc/ada/Makefile.in
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 LIBADA_FLAGS_TO_PASS = \
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         "MAKEOVERRIDES=" \
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-        "LDFLAGS=$(LDFLAGS)" \
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+        "LDFLAGS=$(LDFLAGS) $(DEFAULTMULTIFLAGS)" \
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         "LN_S=$(LN_S)" \
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         "SHELL=$(SHELL)" \
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-        "GNATLIBFLAGS=$(GNATLIBFLAGS) $(MULTIFLAGS)" \
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-        "GNATLIBCFLAGS=$(GNATLIBCFLAGS) $(MULTIFLAGS)" \
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-        "GNATLIBCFLAGS_FOR_C=$(GNATLIBCFLAGS_FOR_C) $(MULTIFLAGS)" \
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+        "GNATLIBFLAGS=$(GNATLIBFLAGS) $(MULTIFLAGS) $(DEFAULTMULTIFLAGS)" \
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+        "GNATLIBCFLAGS=$(GNATLIBCFLAGS) $(MULTIFLAGS) $(DEFAULTMULTIFLAGS)" \
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+        "GNATLIBCFLAGS_FOR_C=$(GNATLIBCFLAGS_FOR_C) $(MULTIFLAGS) $(DEFAULTMULTIFLAGS)" \
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         "PICFLAG_FOR_TARGET=$(PICFLAG)" \
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         "THREAD_KIND=$(THREAD_KIND)" \
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         "TRACE=$(TRACE)" \
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@@ -88,7 +110,7 @@ LIBADA_FLAGS_TO_PASS = \
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         "exeext=.exeext.should.not.be.used " \
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 	'CC=the.host.compiler.should.not.be.needed' \
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 	"GCC_FOR_TARGET=$(CC)" \
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-        "CFLAGS=$(CFLAGS)"
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+        "CFLAGS=$(CFLAGS) $(DEFAULTMULTIFLAGS)"
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 # Rules to build gnatlib.
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 .PHONY: gnatlib gnatlib-plain gnatlib-sjlj gnatlib-zcx gnatlib-shared osconstool
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--- gcc/ada/sem_util.adb	(revision 161677)
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+++ gcc/ada/sem_util.adb	(working copy)
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@@ -5487,7 +5487,7 @@ package body Sem_Util is
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             Exp           : Node_Id;
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             Assn          : Node_Id;
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             Choice        : Node_Id;
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-            Comp_Type     : Entity_Id;
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+            Comp_Type     : Entity_Id := Empty;
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             Is_Array_Aggr : Boolean;
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          begin
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--- config-ml.in.jj	2010-06-30 09:50:44.000000000 +0200
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+++ config-ml.in	2010-07-02 21:24:17.994211151 +0200
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@@ -516,6 +516,8 @@ multi-do:
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 				ADAFLAGS="$(ADAFLAGS) $${flags}" \
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 				prefix="$(prefix)" \
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 				exec_prefix="$(exec_prefix)" \
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+				mandir="$(mandir)" \
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+				infodir="$(infodir)" \
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 				GCJFLAGS="$(GCJFLAGS) $${flags}" \
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 				GOCFLAGS="$(GOCFLAGS) $${flags}" \
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 				CXXFLAGS="$(CXXFLAGS) $${flags}" \
1074058
--- libjava/Makefile.am.jj	2010-07-09 11:17:33.729604090 +0200
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+++ libjava/Makefile.am	2010-07-09 13:16:41.894375641 +0200
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@@ -710,7 +710,8 @@ if USE_LIBGCJ_BC
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 ## later.
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 	@echo Installing dummy lib libgcj_bc.so.1.0.0; \
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 	rm $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so; \
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-	mv $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so.1.0.0 $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so; \
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+	$(INSTALL) $(INSTALL_STRIP_FLAG) $(here)/.libs/libgcj_bc.so $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so; \
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+	rm $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so.1.0.0; \
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 	$(libgcj_bc_dummy_LINK) -xc /dev/null -Wl,-soname,libgcj_bc.so.1 \
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 	-o $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so.1.0.0 -lgcj || exit; \
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 	rm $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so.1; \
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--- libjava/Makefile.in.jj	2010-07-09 11:17:34.000000000 +0200
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+++ libjava/Makefile.in	2010-07-09 13:18:07.542572270 +0200
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@@ -12665,7 +12665,8 @@ install-exec-hook: install-binPROGRAMS i
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 	install-libexecsubPROGRAMS
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 @USE_LIBGCJ_BC_TRUE@	@echo Installing dummy lib libgcj_bc.so.1.0.0; \
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 @USE_LIBGCJ_BC_TRUE@	rm $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so; \
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-@USE_LIBGCJ_BC_TRUE@	mv $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so.1.0.0 $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so; \
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+@USE_LIBGCJ_BC_TRUE@	$(INSTALL) $(INSTALL_STRIP_FLAG) $(here)/.libs/libgcj_bc.so $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so; \
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+@USE_LIBGCJ_BC_TRUE@	rm $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so.1.0.0; \
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 @USE_LIBGCJ_BC_TRUE@	$(libgcj_bc_dummy_LINK) -xc /dev/null -Wl,-soname,libgcj_bc.so.1 \
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 @USE_LIBGCJ_BC_TRUE@	-o $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so.1.0.0 -lgcj || exit; \
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 @USE_LIBGCJ_BC_TRUE@	rm $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so.1; \