OE goes to great lengths to set PATH correctly and this just breaks
things since local sdl-config binaries will suddenly be preferred
rather than those in staging.

RP - 27/02/2008

Index: SDL-1.2.9/sdl.m4
===================================================================
--- SDL-1.2.9.orig/sdl.m4	2008-02-27 10:08:38.000000000 +0000
+++ SDL-1.2.9/sdl.m4	2008-02-27 10:08:51.000000000 +0000
@@ -33,7 +33,6 @@
   fi
 
   AC_REQUIRE([AC_CANONICAL_TARGET])
-  PATH="$prefix/bin:$prefix/usr/bin:$PATH"
   AC_PATH_PROG(SDL_CONFIG, sdl-config, no, [$PATH])
   min_sdl_version=ifelse([$1], ,0.11.0,$1)
   AC_MSG_CHECKING(for SDL - version >= $min_sdl_version)