+
+dnl
+dnl Check for XF86VidMode extension
+dnl
+ ac_cv_have_xf86vidmode="no"
+ CPPFLAGS="${CPPFLAGS_save} ${X_CFLAGS}"
+ CFLAGS="${CFLAGS_save} ${X_LIBS} ${X_PRE_LIBS} -lX11 -lXext"
+ AC_CHECK_HEADERS(X11/extensions/xf86vmode.h,[
+ AC_CHECK_LIB(Xxf86vm_pic, XF86VidModeGetViewPort,[
+ VLC_ADD_LDFLAGS([xvideo],[-lXxf86vm_pic])
+ VLC_ADD_LDFLAGS([x11],[-lXxf86vm_pic])
+ VLC_ADD_LDFLAGS([glx],[-lXxf86vm_pic])
+ ac_cv_have_xf86vidmode="yes"
+ ],[
+ AC_CHECK_LIB(Xxf86vm, XF86VidModeGetViewPort,[
+ VLC_ADD_LDFLAGS([xvideo],[-lXxf86vm])
+ VLC_ADD_LDFLAGS([x11],[-lXxf86vm])
+ VLC_ADD_LDFLAGS([glx],[-lXxf86vm])
+ ac_cv_have_xf86vidmode="yes"
+ ])
+ ])
+ ],[true],
+[#ifdef HAVE_X11_XLIB_H
+# include <X11/Xlib.h>
+#endif]
+ )
+ AS_IF([test "${ac_cv_have_xf86vidmode}" = "yes"],
+ [AC_DEFINE(HAVE_XF86VIDMODE, 1, [Define this if you have libXxf86vm installed])
+ ])
+ CFLAGS="${CFLAGS_save}"
+ CPPFLAGS="${CPPFLAGS_save}"
+