New function LibVEX_Version, returning version string automagically

generated by 'svnversion -n .'.  Only updated when you do 'make
version'.



git-svn-id: svn://svn.valgrind.org/vex/trunk@674

VEX/Makefile

@@ -76,9 +76,15 @@ libvex.a: $(LIB_OBJS)
 	ar clq libvex.a $(LIB_OBJS)
 
 clean:
-	rm -f $(LIB_OBJS) libvex.a vex test_main.o
+	rm -f $(LIB_OBJS) libvex.a vex test_main.o priv/main/vex_svnversion.h
 	(cd head20041019 && make --quiet clean)
 
+version:
+	rm -f priv/main/vex_svnversion.h
+	echo -n "\""  > priv/main/vex_svnversion.h
+	svnversion -n . >> priv/main/vex_svnversion.h
+	echo "\""  >> priv/main/vex_svnversion.h
+
 
 ALL_HEADERS  = $(PUB_HEADERS) $(PRIV_HEADERS)
 ALL_INCLUDES = $(PUB_INCLUDES) $(PRIV_INCLUDES)

VEX/priv/main/vex_main.c

@@ -53,6 +53,16 @@
 
 /* --------- Initialise the library. --------- */
 
+/* Exported to library client. */
+
+HChar* LibVEX_Version ( void )
+{
+return
+#include "main/vex_svnversion.h"
+    ;
+}
+
+
 /* Exported to library client. */
 
 void LibVEX_default_VexControl ( /*OUT*/ VexControl* vcon )

VEX/pub/libvex.h

@@ -81,6 +81,11 @@ typedef
 extern void LibVEX_default_VexControl ( /*OUT*/ VexControl* vcon );
 
 
+/* Returns the Vex SVN version. */
+
+extern HChar* LibVEX_Version ( void );
+
+
 /* Initialise the translator. */
 
 extern void LibVEX_Init (