[PATCH] maint.mk: prohibit inclusion of "ignore-value.h" without_use

[Jim Meyering]

FYI,

>From 8751672163405024bbd75f6e9109dd5b4dbe4ad2 Mon Sep 17 00:00:00 2001
From: Jim Meyering <address@hidden>
Date: Wed, 10 Feb 2010 12:31:55 +0100
Subject: [PATCH] maint.mk: prohibit inclusion of "ignore-value.h" without_use

* top/maint.mk (sc_prohibit_ignore_value_without_use): New rule.
---
 ChangeLog    |    5 +++++
 top/maint.mk |    5 +++++
 2 files changed, 10 insertions(+), 0 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 928d846..c382d58 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2010-02-10  Jim Meyering  <address@hidden>
+
+       maint.mk: prohibit inclusion of "ignore-value.h" without_use
+       * top/maint.mk (sc_prohibit_ignore_value_without_use): New rule.
+
 2010-02-09  Eric Blake  <address@hidden>
        and Bruno Haible  <address@hidden>

diff --git a/top/maint.mk b/top/maint.mk
index f9eed6a..ed8d367 100644
--- a/top/maint.mk
+++ b/top/maint.mk
@@ -334,6 +334,11 @@ sc_prohibit_inttostr_without_use:
          $(_header_without_use)

 # Don't include this header unless you use one of its functions.
+sc_prohibit_ignore_value_without_use:
+       @h='"ignore-value.h"' re='\<ignore_(value|ptr) *\(' \
+         $(_header_without_use)
+
+# Don't include this header unless you use one of its functions.
 sc_prohibit_error_without_use:
        @h='"error.h"' \
        re='\<error(_at_line|_print_progname|_one_per_line|_message_count)? 
*\('\
--
1.7.0.rc2.170.gbc565