# HG changeset patch
# User Bram Moolenaar <bram@vim.org>
# Date 1383425372 -3600
# Node ID 8d83c219fc7b2ec8685ab9e0dd7d3067b7f9d1e9
# Parent  98ab541ce7e45c42ed808fce0181dbbcc6f21898
updated for version 7.4.056
Problem:    Mac: Compilation problem with OS X 10.9 Mavericks.
Solution:   Include AvailabilityMacros.h when available. (Kazunobu Kuriyama)

diff --git a/src/os_unix.c b/src/os_unix.c
--- a/src/os_unix.c
+++ b/src/os_unix.c
@@ -804,6 +804,12 @@ mch_stackcheck(p)
  * completely full.
  */
 
+#if defined(HAVE_AVAILABILITYMACROS_H) \
+    && defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) \
+    && (__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ >= 1090)
+# include <AvailabilityMacros.h>
+#endif
+
 #ifndef SIGSTKSZ
 # define SIGSTKSZ 8000    /* just a guess of how much stack is needed... */
 #endif
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -739,6 +739,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    56,
+/**/
     55,
 /**/
     54,