From 21bc2a121779e442fb72b546d45d588bdde41ac7 Mon Sep 17 00:00:00 2001
From: YAMAMOTO Mitsuharu <mituharu@math.s.chiba-u.ac.jp>
Date: Fri, 2 May 2008 09:38:30 +0000
Subject: [PATCH] Check availability of AvailabilityMacros.h if HAVE_CARBON.

---
 configure.in | 1 +
 1 file changed, 1 insertion(+)

diff --git a/configure.in b/configure.in
index 7608d027515..df1d1c62471 100644
--- a/configure.in
+++ b/configure.in
@@ -2553,6 +2553,7 @@ AC_CHECK_HEADER(malloc/malloc.h, AC_DEFINE(HAVE_MALLOC_MALLOC_H, 1, [Define to 1
 ### Use Mac OS X Carbon API to implement GUI.
 if test "${HAVE_CARBON}" = "yes"; then
   AC_DEFINE(HAVE_CARBON, 1, [Define to 1 if you are using the Carbon API on Mac OS X.])
+  AC_CHECK_HEADERS(AvailabilityMacros.h)
   ## Specify the install directory
   carbon_appdir=
   if test "${carbon_appdir_x}" != ""; then
-- 
2.30.2