From cad884a24545464cb42296834a8b5c02ee116379 Mon Sep 17 00:00:00 2001
From: Jim Meyering <jim@meyering.net>
Date: Fri, 15 Jun 2007 15:44:15 +0200
Subject: Don't include "quote.h" when it is not used. * src/md5sum.c: Remove
 unnecessary inclusion of "quote.h". * src/expr.c: Likewise. * src/shred.c:
 Likewise. * Makefile.maint (sc_prohibit_quote_without_use): New rule. *
 src/c99-to-c89.diff: Adjust offsets.

---
 Makefile.maint | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'Makefile.maint')

diff --git a/Makefile.maint b/Makefile.maint
index ba5166b3d..bb666a4ad 100644
--- a/Makefile.maint
+++ b/Makefile.maint
@@ -179,6 +179,18 @@ sc_prohibit_quotearg_without_use:
 	else :;								\
 	fi
 
+# Don't include quote.h unless you use one of its functions.
+sc_prohibit_quote_without_use:
+	@if $(CVS_LIST_EXCEPT) | grep '\.c$$' > /dev/null; then		\
+	  files=$$(grep -l '# *include "quote\.h"'			\
+		    $$($(CVS_LIST_EXCEPT) | grep '\.c$$')) &&		\
+	  grep -LE '\<quote(_n)? \(' $$files			\
+	      | grep . &&						\
+	    { echo "$(ME): the above files include "quote.h" but don't use it" \
+		  1>&2; exit 1; } || :;					\
+	else :;								\
+	fi
+
 sc_obsolete_symbols:
 	@grep -nE '\<(HAVE''_FCNTL_H|O''_NDELAY)\>'			\
 	     $$($(CVS_LIST_EXCEPT)) &&					\
-- 
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