util/cbfstool/compiler: __attribute redefinition

In Windows Cygwin enviroment, compiler reports
redefinition error at cbfstool/ifwitool.c
on _packed and __aligned.

Skip new defines when vales are already defined.

Change-Id: I3af3c6b8fc57eee345afcef2f871b897138f78ce
Signed-off-by: Frans Hendriks <fhendriks@eltan.com>
Reviewed-on: https://review.coreboot.org/27357
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
This commit is contained in:
Frans Hendriks 2018-07-05 11:47:49 +02:00 committed by Patrick Georgi
parent 8889e0106d
commit 69a835d311
1 changed files with 5 additions and 0 deletions

View File

@ -2,6 +2,7 @@
* This file is part of the coreboot project.
*
* Copyright 2017 Google Inc.
* Copyright (c) 2017-2018 Eltan B.V.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -18,14 +19,18 @@
#if !defined(__FreeBSD__)
#if !defined(__packed)
#if defined(__WIN32) || defined(__WIN64)
#define __packed __attribute__((gcc_struct, packed))
#else
#define __packed __attribute__((packed))
#endif
#endif
#if !defined(__aligned)
#define __aligned(x) __attribute__((aligned(x)))
#endif
#endif
#define __always_unused __attribute__((unused))
#define __must_check __attribute__((warn_unused_result))