Merge GDB 7.5.1

sim/common/Make-common.in

 # Makefile fragment for common parts of all simulators.
 # Copyright 1997-2001, 2004-2005, 2007-2012 Free Software Foundation,
 # Inc.
 # Contributed by Cygnus Support.
 
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation; either version 3 of the License, or
 # (at your option) any later version.
 #
@@ skipping 500 matching lines @@
 
 .NOEXPORT:
 MAKEOVERRIDES=
 
 tags etags: TAGS
 
 # Macros like EXTERN_SIM_CORE confuse tags.
 # And the sim-n-foo.h files create functions that can't be found either.
 TAGS: force
         cd $(srcdir) && \
-        etags --regex '/^\([a-z_]+\) (/\1/' --regex '/^\/[*] TAGS: .*/' \
+        etags --regex '/^\([[:lower:]_]+\) (/\1/' --regex '/^\/[*] TAGS: .*/' \
                 *.[ch] ../common/*.[ch]
 
 clean: $(SIM_EXTRA_CLEAN)
         rm -f *.[oa] *~ core
         rm -f run$(EXEEXT) libsim.a
         rm -f gentmap targ-map.c targ-vals.h stamp-tvals
         if [ ! -f Make-common.in ] ; then \
                 rm -f $(BUILT_SRC_FROM_COMMON) ; \
         fi
         rm -f tmp-mloop.hin tmp-mloop.h tmp-mloop.cin tmp-mloop.c
@@ skipping 86 matching lines @@
                 $(arch) "$(FLAGS)" $(cpu) "$(isa)" $(mach) "$(SUFFIX)" \
                 $(archfile) "$(EXTRAFILES)"
 
 cgen-desc: force
         $(SHELL) $(srccom)/cgen.sh desc $(srcdir) \
                 $(CGEN) $(CGENDIR) "$(CGENFLAGS)" \
                 $(arch) "$(FLAGS)" $(cpu) "$(isa)" $(mach) "$(SUFFIX)" \
                 $(archfile) ignored $(opcfile)
 
 ## End COMMON_POST_CONFIG_FRAG