--- configure.in.orig	2012-05-25 09:37:33.000000000 +0200
+++ configure.in	2012-05-25 09:40:29.000000000 +0200
@@ -31,6 +31,11 @@
 AC_C_STRINGIZE
 AC_PROG_LN_S
 
+# hack to avoid false alarm for cross build
+# should not be needed!
+test -z "${build}" && build="${host}"
+test -z "${host}" && host="${build}"
+
 if test "${build}" != "${host}"
 then
   CC=${CC-${host_alias}-gcc}

.