diff --git a/configure.ac b/configure.ac
index 638aa55cbb890480ae6a26f41d5429e2d8b8cfca..114fcec0b41f94b74ee9c9a0199deaaf6c1f6d50 100644
--- a/configure.ac
+++ b/configure.ac
@@ -10,6 +10,8 @@ AC_CANONICAL_BUILD
 AC_CANONICAL_HOST
 AC_CANONICAL_TARGET
 
+AS_CASE([${target}],[*apple-darwin*],[OSX=true],[OSX=false])
+
 AM_INIT_AUTOMAKE([1.10 dist-bzip2 tar-pax])
 AM_CONFIG_HEADER([config.h])