--- configure.in.old	2006-02-06 22:39:31.000000000 +0100
+++ configure.in	2006-02-06 22:39:52.000000000 +0100
@@ -462,9 +462,9 @@
   fi
 ])
 
+AC_CHECK_HEADERS(zlib.h)
 if test x$with_zlib = xyes ; then
   SNES9X_FEATURE_NODEP(Gz)
-  AC_CHECK_HEADERS(zlib.h)
   if test $ac_cv_header_zlib_h = yes ; then
     AC_MSG_CHECKING([if zlib.h is new enough])
     AC_TRY_LINK([