--- libptytty/ptytty.m4	2010/07/11 16:04:54	1.20
+++ libptytty/ptytty.m4	2010/07/11 20:13:37	1.21
@@ -64,7 +64,7 @@
 fi
 
 if test -z "$unix98_pty"; then
-  AC_CHECK_FUNCS(openpty, [], [AC_CHECK_LIB(util, openpty, [AC_DEFINE(HAVE_OPENPTY) LIBS="$LIBS -lutil"])])
+  AC_SEARCH_LIBS(openpty, util, AC_DEFINE(HAVE_OPENPTY, 1, ""))
 fi
 ])