Help with cross-compiling

sdl.m4

@@ -33,7 +33,7 @@ AC_ARG_ENABLE(sdltest, [  --disable-sdltest       Do not try to compile and run
   fi
 
   AC_REQUIRE([AC_CANONICAL_TARGET])
-  AC_PATH_PROG(SDL_CONFIG, sdl-config, no)
+  AC_PATH_PROG(SDL_CONFIG, sdl-config, no, [$prefix/bin:$prefix/usr/bin:$PATH])
   min_sdl_version=ifelse([$1], ,0.11.0,$1)
   AC_MSG_CHECKING(for SDL - version >= $min_sdl_version)
   no_sdl=""