include: fix Makefile for FreeBSD

Don't use non-standard extensions:
- \t in bracket expressions
- \+ in basic regular expressions

Reported-by: Roger Pau Monné<roger.pau@citrix.com>
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Roger Pau Monné<roger.pau@citrix.com>
Acked-by: Keir Fraser <keir@xen.org>

diff --git a/xen/include/Makefile b/xen/include/Makefile
index d6f0cf7f576d2ce907e7d1a206d4508ed2c19b2b..f7ccbc947acd915835c2e2e288b9e3cd9003d347 100644 (file)
--- a/xen/include/Makefile
+++ b/xen/include/Makefile
@@ -76,10 +76,10 @@ compat/.xlat/%.h: compat/%.h compat/.xlat/%.lst $(BASEDIR)/tools/get-fields.sh M
 .PRECIOUS: compat/.xlat/%.lst
 compat/.xlat/%.lst: xlat.lst Makefile
        mkdir -p $(@D)
-       grep -v '^[ \t]*#' $< | sed -ne 's,@arch@,$(compat-arch-y),g' -e 's,[ \t]\+$*\.h[ \t]*$$,,p' >$@.new
+       grep -v '^[[:blank:]]*#' $< | sed -ne 's,@arch@,$(compat-arch-y),g' -re 's,[[:blank:]]+$*\.h[[:blank:]]*$$,,p' >$@.new
        $(call move-if-changed,$@.new,$@)
 
-xlat-y := $(shell sed -ne 's,@arch@,$(compat-arch-y),g' -e 's,^[?!][ \t]\+[^ \t]\+[ \t]\+,,p' xlat.lst | uniq)
+xlat-y := $(shell sed -ne 's,@arch@,$(compat-arch-y),g' -re 's,^[?!][[:blank:]]+[^[:blank:]]+[[:blank:]]+,,p' xlat.lst | uniq)
 xlat-y := $(filter $(patsubst compat/%,%,$(headers-y)),$(xlat-y))
 
 compat/xlat.h: $(addprefix compat/.xlat/,$(xlat-y)) Makefile