From dc52ae2e46bed0383fe471e253015c61e98b3ad3 Mon Sep 17 00:00:00 2001
From: Jim Meyering <meyering@redhat.com>
Date: Sat, 10 May 2008 17:34:51 +0200
Subject: tests: make scope check work when $(noinst_HEADERS) is empty

* src/Makefile.am (sc_tight_scope): Add /dev/null as an argument
to the sed-based variable filter, in case $(noinst_HEADERS) is empty.
---
 src/Makefile.am | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Makefile.am b/src/Makefile.am
index f3958d2..35fd15d 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -31,7 +31,7 @@ sc_tight_scope: $(all_programs)
 	    exit 1; } || : ;						\
 	( printf '^program_name$$\n';					\
 	  sed -n 's/^extern int \([^ ][^ ]*\);$$/^\1$$/p'		\
-	    $(noinst_HEADERS) ) > $$t;					\
+	    $(noinst_HEADERS) /dev/null ) > $$t;			\
 	nm -e *.$(OBJEXT)						\
 	    | sed -n 's/.* [BD] //p'					\
 	    | grep -Ev -f $$t &&					\
-- 
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