AC_CHECK_HEADER([AppKit/AppKit.h], [HAVE_NS=yes],
[AC_MSG_ERROR([`--with-ns' was specified, but the include
files are missing or cannot be compiled.])])
+
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <AppKit/AppKit.h>],
+ [
+#ifdef MAC_OS_X_VERSION_MAX_ALLOWED
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1040
+ ; /* OK */
+#else
+#error "OSX 10.4 or newer required"
+#endif
+#endif
+ ])],
+ ns_osx_have_104=yes,
+ ns_osx_have_104=no)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <Foundation/NSObjCRuntime.h>],
[NSInteger i;])],
ns_have_nsinteger=yes,
ns_have_nsinteger=no)
+ if test $ns_osx_have_104 = no; then
+ AC_MSG_ERROR([`OSX 10.4 or newer is required']);
+ fi
if test $ns_have_nsinteger = yes; then
AC_DEFINE(NS_HAVE_NSINTEGER, 1, [Define to 1 if `NSInteger' is defined.])
fi