--- rxvt-unicode/autoconf/configure.in	2004/07/30 15:06:49	1.29
+++ rxvt-unicode/autoconf/configure.in	2004/07/30 16:04:05	1.30
@@ -1092,6 +1092,22 @@
   AC_DEFINE(HAVE_NL_LANGINFO, 1, Define if nl_langinfo(CODESET) works)
 fi
 
+AC_CACHE_CHECK(for broken XIM callback, rxvt_broken_ximcb,
+[AC_COMPILE_IFELSE([
+#include <X11/Xlib.h>
+
+void im_destroy_cb (XIC unused1, XPointer client_data, XPointer unused3);
+
+void f() {
+  XIMCallback cb;
+  cb.callback = im_destroy_cb;
+}
+],rxvt_broken_ximcb=yes,rxvt_broken_ximcb=no)])
+
+if test x$rxvt_broken_ximcb = xyes; then
+   AC_DEFINE(XIMCB_PROTO_BROKEN, 1, Define if your XIMCallback specifies XIC as first type.)
+fi
+
 AC_CACHE_CHECK(for getpt, rxvt_cv_func_getpt,
 [AC_TRY_LINK([#define _GNU_SOURCE
 #ifdef HAVE_STDLIB_H