[GTK_LIBS="-lX11 $GTK_LIBS"
AC_DEFINE([HAVE_LIBX11],[],[Define if libX11.a is available])])
-AC_CHECK_FUNCS([getaddrinfo ptsname setresuid strsignal updwtmpx])
+AC_CHECK_FUNCS([getaddrinfo posix_openpt ptsname setresuid strsignal updwtmpx])
AC_CHECK_DECLS([CLOCK_MONOTONIC], [], [], [[#include <time.h>]])
AC_SEARCH_LIBS([clock_gettime], [rt], [AC_DEFINE([HAVE_CLOCK_GETTIME],[],[Define if clock_gettime() is available])])