From 6f2530cf3a9d58707b80872e8418772e5bf0c395 Mon Sep 17 00:00:00 2001
From: Jim Meyering <jim@meyering.net>
Date: Sat, 9 Sep 2006 16:18:57 +0000
Subject: * Makefile.maint (sc_prohibit_assert_without_use): Likewise.

---
 ChangeLog      |  1 +
 Makefile.maint | 13 ++++++++-----
 2 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 5739850ee..4896c20fc 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -4,6 +4,7 @@
 	are no .m4 files.
 	(sc_require_config_h): Skip this test if there are no version-
 	controlled .c files.
+	(sc_prohibit_assert_without_use): Likewise.
 
 2006-09-08  Jim Meyering  <jim@meyering.net>
 
diff --git a/Makefile.maint b/Makefile.maint
index 33643ee39..06f5b2764 100644
--- a/Makefile.maint
+++ b/Makefile.maint
@@ -158,12 +158,15 @@ sc_require_config_h:
 
 # Prohibit the inclusion of assert.h without an actual use of assert.
 sc_prohibit_assert_without_use:
-	@files=$$(grep -l '# *include <assert\.h>'			\
+	@if $(CVS_LIST_EXCEPT) | grep '\.c$$'; then			\
+	  files=$$(grep -l '# *include <assert\.h>'			\
 		    $$($(CVS_LIST_EXCEPT) | grep '\.c$$')) &&		\
-	grep -L '\<assert (' $$files					\
-	    | grep . &&							\
-	  { echo "$(ME): the above files include <assert.h> but don't use it" \
-		1>&2; exit 1; } || :
+	  grep -L '\<assert (' $$files					\
+	      | grep . &&						\
+	    { echo "$(ME): the above files include <assert.h> but don't use it" \
+		  1>&2; exit 1; } || :;					\
+	else :;								\
+	fi
 
 sc_obsolete_symbols:
 	@grep -nE '\<(HAVE''_FCNTL_H|O''_NDELAY)\>'			\
-- 
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