-AC_MSG_CHECKING([for metakit 2.4.3 or newer])
-saved_LIBS="$LIBS"
-LIBS="$saved_LIBS -lmk4"
-AC_TRY_RUN([
-#include <mk4.h>
-
-#define MIN_MK4_VERSION 243
-
-int main() {
- int major, minor, micro;
-
- if ( d4_MetaKitLibraryVersion < MIN_MK4_VERSION ) {
- return -1;
- }
-
- return 0;
-}
-
-],
- AC_MSG_RESULT(yes),
- [AC_MSG_RESULT(wrong version);
- AC_MSG_ERROR([
-
-Install metakit 2.4.3 or later first.
-
-Or, the compiler may not be finding your libmk4.so library.
-Please check the config.log file for specific details of the
-failure if you believe you have the correct metakit version.
-Also, look up this issue in the FlightGear FAQ.])],
- AC_MSG_RESULT(yes)
-)
-