Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757664AbdDRVBC (ORCPT ); Tue, 18 Apr 2017 17:01:02 -0400 Received: from hauke-m.de ([5.39.93.123]:50663 "EHLO mail.hauke-m.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755893AbdDRVA6 (ORCPT ); Tue, 18 Apr 2017 17:00:58 -0400 From: Hauke Mehrtens To: davem@davemloft.net, netdev@vger.kernel.org Cc: linux-kernel@vger.kernel.org, jarod@redhat.com, jogo@openwrt.org, david.heidelberger@ixit.cz, maillist-linux@barfooze.de, mikko.rapeli@iki.fi, dwmw2@infradead.org, Hauke Mehrtens Subject: [PATCH v2 2/3] uapi glibc compat: fix build if libc defines IFF_ECHO Date: Tue, 18 Apr 2017 23:00:35 +0200 Message-Id: <20170418210036.26039-3-hauke@hauke-m.de> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170418210036.26039-1-hauke@hauke-m.de> References: <20170418210036.26039-1-hauke@hauke-m.de> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1158 Lines: 32 musl 1.1.15 defines IFF_ECHO and the other net_device_flags options. When a user application includes linux/if.h and net/if.h the compile will fail. Activate __UAPI_DEF_IF_NET_DEVICE_FLAGS_LOWER_UP_DORMANT_ECHO only when it is needed. This should also make this work in case glibc will add these defines. Acked-by: Mikko Rapeli Signed-off-by: Hauke Mehrtens --- include/uapi/linux/libc-compat.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/uapi/linux/libc-compat.h b/include/uapi/linux/libc-compat.h index 43a81136ea6e..ce2fa8a4ced6 100644 --- a/include/uapi/linux/libc-compat.h +++ b/include/uapi/linux/libc-compat.h @@ -64,9 +64,11 @@ /* Everything up to IFF_DYNAMIC, matches net/if.h until glibc 2.23 */ #define __UAPI_DEF_IF_NET_DEVICE_FLAGS 0 /* For the future if glibc adds IFF_LOWER_UP, IFF_DORMANT and IFF_ECHO */ +#ifndef IFF_ECHO #ifndef __UAPI_DEF_IF_NET_DEVICE_FLAGS_LOWER_UP_DORMANT_ECHO #define __UAPI_DEF_IF_NET_DEVICE_FLAGS_LOWER_UP_DORMANT_ECHO 1 #endif /* __UAPI_DEF_IF_NET_DEVICE_FLAGS_LOWER_UP_DORMANT_ECHO */ +#endif /* IFF_ECHO */ #else /* _NET_IF_H */ -- 2.11.0