From ff085957e84f5789871521a11b44afa27a48d72d Mon Sep 17 00:00:00 2001
From: Jim Meyering <meyering@redhat.com>
Date: Sun, 11 May 2008 08:45:27 +0200
Subject: * src/Makefile.am (sc_tight_scope): Improve.

---
 src/Makefile.am | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

(limited to 'src')

diff --git a/src/Makefile.am b/src/Makefile.am
index 3b872bb..8b2201b 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -22,16 +22,16 @@ sc_tight_scope: $(all_programs)
 	@t=exceptions-$$$$;						\
 	trap "s=$$?; rm -f $$t; exit $$s" 0 1 2 13 15;			\
 	( printf '^main$$\n^usage$$\n';					\
-	  grep -h -A1 '^extern .*[^;]$$' $(SOURCES)			\
-	    | grep -vE '^(extern |--)' |sed 's/^/^/;s/ .*/$$/' ) > $$t;	\
+	  perl -ne '/^extern .*?\**(\w+) *\(/ and print "^$$1\$$\n"'	\
+	      $(noinst_HEADERS) $(srcdir)/../libidu/*.h ) > $$t;	\
 	nm -e *.$(OBJEXT) ../libidu/*.$(OBJEXT)				\
 	    | sed -n 's/.* T //p'					\
 	    | grep -Ev -f $$t &&					\
 	  { echo 'the above functions should have static scope' 1>&2;	\
 	    exit 1; } || : ;						\
 	( printf '^program_name$$\n';					\
-	  sed -n 's/^extern int \([^ ][^ ]*\);$$/^\1$$/p'		\
-	    $(noinst_HEADERS) /dev/null ) > $$t;			\
+	  perl -ne '/^extern .*?\**(\w+);/ and print "^$$1\$$\n"'	\
+	      $(noinst_HEADERS) $(srcdir)/../libidu/*.h ) > $$t;	\
 	nm -e *.$(OBJEXT) ../libidu/*.$(OBJEXT)				\
 	    | sed -n 's/.* [BD] //p'					\
 	    | grep -Ev -f $$t &&					\
-- 
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