gl_CHECK_NEXT_HEADERS implies AC_CHECK_HEADERS_ONCE

[gnulib.git] / m4 / sys_utsname_h.m4

diff --git a/m4/sys_utsname_h.m4 b/m4/sys_utsname_h.m4
index 7b261d8..7b48257 100644 (file)
--- a/m4/sys_utsname_h.m4
+++ b/m4/sys_utsname_h.m4
@@ -1,4 +1,4 @@
-# sys_utsname_h.m4 serial 6
+# sys_utsname_h.m4 serial 7
 dnl Copyright (C) 2009-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -14,7 +14,6 @@ AC_DEFUN([gl_SYS_UTSNAME_H],
 
   dnl <sys/utsname.h> is always overridden, because of GNULIB_POSIXCHECK.
   gl_CHECK_NEXT_HEADERS([sys/utsname.h])
-  AC_CHECK_HEADERS_ONCE([sys/utsname.h])
   if test $ac_cv_header_sys_utsname_h != yes; then
     HAVE_SYS_UTSNAME_H=0
     HAVE_STRUCT_UTSNAME=0