+ CPPFLAGS="$CPPFLAGS $X_CFLAGS"
+ LIBS="$LIBS $X_LIBS -lXext -lXrender -lXrandr"
+
+ AC_CHECK_LIB([Xrandr], [XRRSelectInput],
+ AC_MSG_CHECKING([for X11/extensions/Xrandr.h])
+ AC_TRY_LINK(
+ [
+ #include <X11/Xlib.h>
+ #include <X11/extensions/Xrandr.h>
+ ],
+ [
+ Display *d;
+ Drawable r;
+ int i;
+ XRRQueryExtension(d, &i, &i);
+ XRRGetScreenInfo(d, r);
+ ],
+ [
+ AC_MSG_RESULT([yes])
+ XRANDR="yes"
+ AC_DEFINE([XRANDR], [1], [Found the XRandR extension])
+
+ XRANDR_CFLAGS=""
+ XRANDR_LIBS="-lXext -lXrender -lXrandr"
+ AC_SUBST(XRANDR_CFLAGS)
+ AC_SUBST(XRANDR_LIBS)
+ ],
+ [
+ AC_MSG_RESULT([no])
+ XRANDR="no"
+ ])
+ )