Branch b1_8_gate

b=16204
i=johann, zhenyu.xu

Exclude the .pc directory.

build/autoMakefile.am.toplevel

@@ -17,12 +17,12 @@ tags:
 	rm -f $(top_srcdir)/TAGS
 	ETAGSF=`etags --version | grep -iq exuberant && \
 		echo "-I __initdata,__exitdata,EXPORT_SYMBOL"`; \
-	find $(top_srcdir) -name '*.[hc]' |grep -v linux-stage |xargs etags $$ETAGSF -a
+	find $(top_srcdir) -name .pc -prune -o -name '*.[hc]' |xargs etags $$ETAGSF -a
 
 	rm -f $(top_srcdir)/tags
 	CTAGSF=`ctags --version | grep -iq exuberant && \
 		echo "-I __initdata,__exitdata,EXPORT_SYMBOL"`; \
-	find $(top_srcdir) -name '*.[hc]' |grep -v linux-stage |xargs ctags $$CTAGSF -a
+	find $(top_srcdir) -name .pc -prune -o -name '*.[hc]' |xargs ctags $$CTAGSF -a
 
 if MODULES
 sources: all-sources