Makefile.in (TAGS): Handle constructs in common.opt, rtl.def, tree.def, and gimple.def

	* Makefile.in (TAGS): Handle constructs in common.opt, rtl.def,
	tree.def, and gimple.def

From-SVN: r214822

gcc/ChangeLog

+2014-09-02  Aldy Hernandez  <aldyh@redhat.com>
+
+	* Makefile.in (TAGS): Handle constructs in common.opt, rtl.def,
+	tree.def, and gimple.def
+
 2014-09-02  Jakub Jelinek  <jakub@redhat.com>
 	    Balaji V. Iyer  <balaji.v.iyer@intel.com>
 	    Igor Zamyatin  <igor.zamyatin@intel.com>

gcc/Makefile.in

@@ -3803,7 +3803,10 @@ TAGS: lang.tags
 	    incs="$$incs --include $$dir/TAGS.sub";	\
 	  fi;						\
 	done;						\
-	etags -o TAGS.sub c-family/*.h c-family/*.c *.h *.c *.cc; \
+	etags -o TAGS.sub c-family/*.h c-family/*.c *.h *.c *.cc \
+	      --language=none --regex="/\(char\|unsigned int\|int\|bool\|void\|HOST_WIDE_INT\|enum [A-Za-z_0-9]+\) [*]?\([A-Za-z_0-9]+\)/\2/" common.opt	\
+	      --language=none --regex="/\(DEF_RTL_EXPR\|DEFTREECODE\|DEFGSCODE\).*(\([A-Za-z_0-9]+\)/\2/" rtl.def tree.def gimple.def \
+		; \
 	etags --include TAGS.sub $$incs)
 
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