diff --git a/lib/libICE/aclocal.m4 b/lib/libICE/aclocal.m4
index 7ce93ee2f..c3bab31f9 100644
--- a/lib/libICE/aclocal.m4
+++ b/lib/libICE/aclocal.m4
@@ -11959,6 +11959,9 @@ AC_DEFUN([XTRANS_CONNECTION_FLAGS],[
 	AC_DEFINE(LOCALCONN,1,[Support os-specific local connections])
  fi
 
+ # Other functions Xtrans may need
+ AC_CHECK_FUNCS([strcasecmp strlcpy])
+
 ]) # XTRANS_CONNECTION_FLAGS
 
 
diff --git a/lib/libICE/config.h.in b/lib/libICE/config.h.in
index 6fce05898..1a7c3cfe0 100644
--- a/lib/libICE/config.h.in
+++ b/lib/libICE/config.h.in
@@ -36,12 +36,18 @@
 /* Define to 1 if you have the <stdlib.h> header file. */
 #undef HAVE_STDLIB_H
 
+/* Define to 1 if you have the `strcasecmp' function. */
+#undef HAVE_STRCASECMP
+
 /* Define to 1 if you have the <strings.h> header file. */
 #undef HAVE_STRINGS_H
 
 /* Define to 1 if you have the <string.h> header file. */
 #undef HAVE_STRING_H
 
+/* Define to 1 if you have the `strlcpy' function. */
+#undef HAVE_STRLCPY
+
 /* Define to 1 if you have the <sys/stat.h> header file. */
 #undef HAVE_SYS_STAT_H
 
diff --git a/lib/libICE/configure b/lib/libICE/configure
index bdfb56135..e14853b62 100644
--- a/lib/libICE/configure
+++ b/lib/libICE/configure
@@ -18886,6 +18886,20 @@ $as_echo "#define LOCALCONN 1" >>confdefs.h
 
  fi
 
+ # Other functions Xtrans may need
+ for ac_func in strcasecmp strlcpy
+do :
+  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
+ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
+if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
+  cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+done
+
+
 
 
 $as_echo "#define ICE_t 1" >>confdefs.h