From 2746a6c05c384a3d5eab192ecd151cb97a85b181 Mon Sep 17 00:00:00 2001
From: Jim Meyering <meyering@redhat.com>
Date: Sun, 10 Feb 2008 17:18:03 +0100
Subject: Ensure there are no removable (useless) if-before-free tests.

* bootstrap.conf (gnulib_modules): Add useless-if-before-free.
* Makefile.maint (sc_avoid_if_before_free): New rule.
---
 Makefile.maint | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'Makefile.maint')

diff --git a/Makefile.maint b/Makefile.maint
index 3fbfa422b..6d280ff43 100644
--- a/Makefile.maint
+++ b/Makefile.maint
@@ -101,6 +101,13 @@ syntax-check: $(local-check)
 #	    exit 1; } || :
 # FIXME: don't allow `#include .strings\.h' anywhere
 
+sc_avoid_if_before_free:
+	@$(srcdir)/build-aux/useless-if-before-free			\
+		$(useless_free_options)					\
+	    $$($(CVS_LIST_EXCEPT)) &&					\
+	  { echo '$(ME): found useless "if" before "free" above' 1>&2;	\
+	    exit 1; } || :
+
 sc_cast_of_argument_to_free:
 	@grep -nE '\<free \(\(' $$($(CVS_LIST_EXCEPT)) &&		\
 	  { echo '$(ME): don'\''t cast free argument' 1>&2;		\
-- 
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