Index: configure.ac
==================================================================
--- configure.ac
+++ configure.ac
@@ -23,13 +23,10 @@
 PKG_CHECK_MODULES(SDL, [
 	sdl12_compat >= 1.2
 	SDL_image >= 1.2
 	SDL_mixer >= 1.2
 ])
-AC_SUBST(SDL_CFLAGS)
-AC_SUBST(SDL_LIBS)
-
 PKG_CHECK_MODULES(GL, gl)
 PKG_CHECK_MODULES(GLU, glu)
 PKG_CHECK_MODULES(ZLIB, zlib)
 
 case "$host_os" in