GL_LIBS="-lGL -lXext -lX11"
AC_CHECK_LIB([Xxf86vm], [XF86VidModeSwitchToMode])
AC_CHECK_LIB([Xrandr], [XRRQueryExtension])
+ AC_CHECK_LIB([Xi], [XISelectEvents])
LIBXI=-lXi
VERSION_INFO="-version-info 12:0:9"
EXPORT_FLAGS=
AC_CHECK_HEADERS([X11/extensions/xf86vmode.h], [], [], [#include <X11/Xlib.h>])
AC_CHECK_HEADERS([X11/extensions/Xrandr.h])
AC_CHECK_HEADERS([X11/extensions/XI.h X11/extensions/XInput.h])
+AC_CHECK_HEADERS([X11/extensions/XInput2.h])
CPPFLAGS="$save_CPPFLAGS"
# Checks for library functions.