--- trunk/configure.in	2007/08/06 08:35:56	326
+++ trunk/configure.in	2008/06/03 15:34:24	330
@@ -29,7 +29,7 @@
 
 AM_PROG_LIBTOOL
 
-AC_ISC_POSIX
+AC_USE_SYSTEM_EXTENSIONS
 AC_PROG_CC
 AM_PROG_CC_STDC
 AC_HEADER_STDC