Print svn revision number in version string.

llvm-svn: 53736
diff --git a/llvm-gcc-4.2/gcc/Makefile.in b/llvm-gcc-4.2/gcc/Makefile.in
index c49bf86..c5a8f0d 100644
--- a/llvm-gcc-4.2/gcc/Makefile.in
+++ b/llvm-gcc-4.2/gcc/Makefile.in
@@ -802,6 +802,10 @@
 DEVPHASE_s  := "\"$(if $(DEVPHASE_c), ($(DEVPHASE_c)))\""
 DATESTAMP_s := "\"$(if $(DEVPHASE_c), $(DATESTAMP_c))\""
 
+# LLVM LOCAL begin svn version
+SVNVER_c    := $(shell svnversion $(abs_srcdir) )
+SVNVER_s := "\"$(if $(SVNVER_c), $(SVNVER_c))\""
+# LLVM LOCAL end svn version
 # Shorthand variables for dependency lists.
 TARGET_H = $(TM_H) target.h insn-modes.h
 MACHMODE_H = machmode.h mode-classes.def insn-modes.h
@@ -2048,10 +2052,14 @@
 
 dumpvers: dumpvers.c
 
-version.o: version.c version.h $(DATESTAMP) $(BASEVER) $(DEVPHASE)
+# LLVM LOCAL begin svn version
+.PHONY: version.o
+version.o:
 	$(CC) $(ALL_CFLAGS) $(ALL_CPPFLAGS) \
 	-DBASEVER=$(BASEVER_s) -DDATESTAMP=$(DATESTAMP_s) \
+        -DSVNVER=$(SVNVER_s) \
 	-DDEVPHASE=$(DEVPHASE_s) -c $(srcdir)/version.c $(OUTPUT_OPTION)
+# LLVM LOCAL endn svn version
 
 gtype-desc.o: gtype-desc.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) \
 	$(VARRAY_H) $(HASHTAB_H) $(SPLAY_TREE_H) bitmap.h $(TREE_H) $(RTL_H) \
diff --git a/llvm-gcc-4.2/gcc/version.c b/llvm-gcc-4.2/gcc/version.c
index d0514f0..f1ef005 100644
--- a/llvm-gcc-4.2/gcc/version.c
+++ b/llvm-gcc-4.2/gcc/version.c
@@ -33,4 +33,4 @@
 /* The complete version string, assembled from several pieces.
    BASEVER, DATESTAMP, and DEVPHASE are defined by the Makefile.  */
 
-const char version_string[] = BASEVER DATESTAMP DEVPHASE VERSUFFIX;
+const char version_string[] = BASEVER DATESTAMP DEVPHASE VERSUFFIX SVNVER;