maint: update copyright

[gnulib.git] / m4 / wait-process.m4

diff --git a/m4/wait-process.m4 b/m4/wait-process.m4
index 8dd6336..7de5967 100644 (file)
--- a/m4/wait-process.m4
+++ b/m4/wait-process.m4
@@ -1,14 +1,12 @@
-# wait-process.m4 serial 2
-dnl Copyright (C) 2003 Free Software Foundation, Inc.
+# wait-process.m4 serial 6
+dnl Copyright (C) 2003, 2008-2014 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_WAIT_PROCESS],
 [
-  dnl Prerequisites of lib/wait-process.h.
-  AC_CHECK_HEADERS_ONCE(unistd.h)
   dnl Prerequisites of lib/wait-process.c.
   AC_REQUIRE([gt_TYPE_SIG_ATOMIC_T])
-  AC_CHECK_FUNCS(waitid)
+  AC_CHECK_FUNCS([waitid])
 ])