--- a/sdl.m4	Tue Sep 11 18:52:45 2001 +0000
+++ b/sdl.m4	Tue Sep 11 19:00:18 2001 +0000
@@ -32,6 +32,7 @@
      fi
   fi
 
+  AC_REQUIRE([AC_CANONICAL_TARGET])
   AC_PATH_PROG(SDL_CONFIG, sdl-config, no)
   min_sdl_version=ifelse([$1], ,0.11.0,$1)
   AC_MSG_CHECKING(for SDL - version >= $min_sdl_version)