--- /dev/null
+# spawn-pipe.m4 serial 1
+dnl Copyright (C) 2004, 2008-2010 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+AC_DEFUN([gl_SPAWN_PIPE],
+[
+ dnl Prerequisites of lib/spawn-pipe.c.
+ AC_REQUIRE([AC_C_INLINE])
+ AC_REQUIRE([AC_TYPE_MODE_T])
+])