pipe: Set errno upon failure.

[gnulib.git] / m4 / sys_times_h.m4

diff --git a/m4/sys_times_h.m4 b/m4/sys_times_h.m4
index c954ed8..1b0f018 100644 (file)
--- a/m4/sys_times_h.m4
+++ b/m4/sys_times_h.m4
@@ -1,5 +1,5 @@
 # Configure a replacement for <sys/times.h>.
-# serial 4
+# serial 5
 
 # Copyright (C) 2008, 2009, 2010 Free Software Foundation, Inc.
 # This file is free software; the Free Software Foundation
@@ -12,6 +12,7 @@ AC_DEFUN([gl_SYS_TIMES_H],
 [
   AC_REQUIRE([gl_SYS_TIMES_H_DEFAULTS])
 
+  dnl <sys/times.h> is always overridden, because of GNULIB_POSIXCHECK.
   gl_CHECK_NEXT_HEADERS([sys/times.h])
   AC_CHECK_HEADERS_ONCE([sys/times.h])
   if test $ac_cv_header_sys_times_h = yes; then