+NP_FINDLIB([PHYSFS], [physfs], [physfs >= 1.0.0],
+ NP_LANG_PROGRAM([
+#include <stdio.h>
+#include <physfs.h>
+#if PHYSFS_VER_MAJOR < 1
+# error PHYSFS is too old
+#endif]),
+ [], [-lphysfs],
+ [],
+ [AC_MSG_ERROR([Please install physfs >= 1.0])])
+
+if test "x`uname -s`" = "xDarwin"; then
+ allib="-framework OpenAL"
+else
+ allib="-lopenal"
+fi
+
+NP_FINDLIB([OPENAL], [OpenAL], [OpenAL],
+ NP_LANG_PROGRAM([#include <AL/al.h>],
+ [alcOpenDevice(0);]),
+ [], [$allib],
+ [],
+ [AC_MSG_ERROR([Please intall OpenAL])],
+ [], [])
+
+AC_ARG_ENABLE(opengl,
+ AC_HELP_STRING([--enable-opengl], [enable opengl support]),
+ [enable_opengl=$enableval], [enable_opengl=yes])
+