$OpenBSD: patch-configure_in,v 1.11 2004/02/07 01:46:23 espie Exp $
--- configure.in.orig	2004-01-25 20:20:55.000000000 +0100
+++ configure.in	2004-02-06 15:10:51.000000000 +0100
@@ -782,10 +782,10 @@ AC_ARG_WITH(xdmcp,
 if test "x$with_xdmcp" = xyes; then
   AC_CHECK_LIB(Xdmcp, main, [LIBXDMCP="-lXdmcp"], , $X_LDFLAGS -lX11 $LIBSOCKET)
   if test -n "$LIBXDMCP"; then
-    ac_cpp_safe=$ac_cpp
-    ac_cpp='$CXXCPP $CPPFLAGS $X_INCLUDES'
+    CPPFLAGS_safe=$CPPFLAGS
+    CPPFLAGS="$CPPFLAGS $X_INCLUDES"
     AC_CHECK_HEADER(X11/Xdmcp.h, [HAVE_X11_XDMCP_H=1], , [#include <X11/Xmd.h>])
-    ac_cpp=$ac_cpp_safe
+    CPPFLAGS=$CPPFLAGS_safe
   fi
   if test -z "$HAVE_X11_XDMCP_H"; then
     AC_MSG_WARN([Cannot build KDM! Make sure that libXdmcp.a and Xdmcp.h 
