AC_SEARCH_LIBS([dlopen], [dl],
[test "$ac_cv_search_dlopen" = "none required" || LIBS_DL=$ac_cv_search_dlopen],
AC_MSG_ERROR($msg_dl_missing))
-AC_CHECK_FUNCS([dlopen dlcose dlsym])
+AC_CHECK_FUNCS([dlopen dlclose dlsym])
## platform specific libs, required by all targets
case "${host}" in
*-apple-darwin*)
AC_CHECK_HEADER(mach/mach_time.h,,AC_MSG_ERROR($msg_required_header_missing))
AC_CHECK_HEADER(CoreVideo/CVHostTime.h,,AC_MSG_ERROR($msg_required_header_missing))
+ AC_DEFINE([TARGET_DARWIN], [1], [Darwin target])
;;
esac