From 195a7da4ec0b726005b22c8f88f353d7c3f24bfc Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 26 Jul 2010 09:18:21 +0000
Subject: * configure.in (config.h): add include guard.

* win32/Makefile.sub, bcc32/Makefile.sub (config.h): ditto.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@28759 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 configure.in | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'configure.in')

diff --git a/configure.in b/configure.in
index a8aab4415c..a643592e9b 100644
--- a/configure.in
+++ b/configure.in
@@ -2627,7 +2627,13 @@ AC_SUBST(MANTYPE)
 arch_hdrdir="${EXTOUT}/include/${arch}/ruby"
 AS_MKDIR_P("${arch_hdrdir}")
 config_h="${arch_hdrdir}/config.h"
-tr -d '\015' < confdefs.h | grep -v "^#define PACKAGE_" |
+guard=INCLUDE_RUBY_CONFIG_H
+{
+  echo "#ifndef $guard"
+  echo "#define $guard 1"
+  grep -v "^#define PACKAGE_" confdefs.h
+  echo "#endif /* $guard */"
+} | tr -d '\015' |
 ${srcdir}/tool/ifchange "${config_h}" -
 tr -d '\015' < largefile.h > confdefs.h
 rm largefile.h
-- 
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