Index: config/sdl.m4
===================================================================
--- config/sdl.m4	(revision 8311)
+++ config/sdl.m4	(working copy)
@@ -34,8 +34,8 @@
   fi
 
   AC_REQUIRE([AC_CANONICAL_TARGET])
-  PATH="$prefix/bin:$prefix/usr/bin:$PATH"
-  AC_PATH_PROG(SDL_CONFIG, sdl-config, no, [$PATH])
+  TMP_PATH="$prefix/bin:$prefix/usr/bin:$PATH"
+  AC_PATH_PROG(SDL_CONFIG, sdl-config, no, [$TMP_PATH])
   min_sdl_version=ifelse([$1], ,0.11.0,$1)
   AC_MSG_CHECKING(for SDL - version >= $min_sdl_version)
   no_sdl=""