--- acinclude.m4
+++ acinclude.m4
@@ -411,6 +411,8 @@
 ])
 
 AC_DEFUN([OGRE_CHECK_CEGUI], [
+    AC_ARG_ENABLE(cegui)
+    if test x$enable_cegui != xno; then
     PKG_CHECK_MODULES(CEGUI, CEGUI >= 0.5.0, 
             [build_cegui_sample=true], [build_cegui_sample=false])
     if test x$build_cegui_sample = xtrue; then
@@ -426,6 +428,7 @@
     else
         AC_MSG_RESULT([CEGUI not available, Gui and FacialAnimation samples will not be built])
     fi
+    fi
     AM_CONDITIONAL([HAVE_CEGUI], [test x$build_cegui_sample = xtrue])
 ])