--- gigedit/trunk/configure.ac	2013/01/13 09:14:29	2398
+++ gigedit/trunk/configure.ac	2013/09/15 18:16:21	2474
@@ -34,6 +34,8 @@
 
 SHARED_VERSION_INFO="$LIBGIGEDIT_LT_CURRENT:$LIBGIGEDIT_LT_REVISION:$LIBGIGEDIT_LT_AGE"
 AC_LANG([C++])
+AC_PROG_OBJC
+AC_PROG_OBJCXX
 AC_PROG_CXX
 AC_LIBTOOL_WIN32_DLL
 AC_PROG_LIBTOOL
@@ -61,11 +63,14 @@
 IT_PROG_INTLTOOL(0.35.0)
 AM_GLIB_GNU_GETTEXT
 
+windows=no
+mac=no
 case $host in
     *mingw*|*cygwin*) windows=yes ;;
-    *)                windows=no ;;
+    *-*-darwin*) mac=yes ;;
 esac
 AM_CONDITIONAL(WINDOWS, test "$windows" = "yes")
+AM_CONDITIONAL(MAC, test "$mac" = "yes")
 
 PKG_PROG_PKG_CONFIG
 have_gtk3=no