2 files changed, 8 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index aa3f5699ee0..a146fe90874 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2008-05-02  YAMAMOTO Mitsuharu  <mituharu@math.s.chiba-u.ac.jp>
+
+        * configure.in: Check availability of AvailabilityMacros.h
+        if HAVE_CARBON.
+
+        * configure: Regenerate.
+
 2008-04-11  Dan Nicolaescu  <dann@ics.uci.edu>
 
         * configure.in: Remove hpux10.20 from the desupported list.
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