From cc703f2d5673a2fe24f7684a19dd993178ff23df Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 22 Jul 2010 03:30:59 +0000
Subject: [PATCH] * configure.in: fix for older autoconf.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@28712 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog    | 4 ++++
 configure.in | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index 0a2ec89dbd..693b2b60b9 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Thu Jul 22 12:30:52 2010  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* configure.in: fix for older autoconf.
+
 Thu Jul 22 12:02:31 2010  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* include/ruby/{intern,io}.h: add missing prototypes.
diff --git a/configure.in b/configure.in
index f05d85e5e2..28356b50e8 100644
--- a/configure.in
+++ b/configure.in
@@ -416,7 +416,7 @@ if test "$GCC:${warnflags+set}:no" = yes::no; then
     RUBY_TRY_CFLAGS($wflag, [warnflags="$wflag${warnflags+ $warnflags}"])
 fi
 if test "$GCC" = yes; then
-    RUBY_TRY_CFLAGS(-fvisibility=hidden, RUBY_APPEND_OPTION(XCFLAGS, -fvisibility=hidden))
+    RUBY_TRY_CFLAGS(-fvisibility=hidden, [RUBY_APPEND_OPTION(XCFLAGS, -fvisibility=hidden)])
 fi
 
 test -z "${ac_env_CFLAGS_set}" -a -n "${cflags+set}" && eval CFLAGS="\"$cflags $ARCH_FLAG\""