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omcproxy: fix compilation on little-endian CPUs 

Don't use cpu_to_be32 outside of a function.

In file included from /omcproxy-2017-02-14-1fe6f48f/src/omcproxy.h:51:0,
                 from omcproxy-2017-02-14-1fe6f48f/src/mrib.c:39:
omcproxy-2017-02-14-1fe6f48f/src/mrib.c:57:34: error: braced-group within expression allowed only inside a function
 static uint32_t ipv4_rtr_alert = cpu_to_be32(0x94040000);
                                  ^
cc1: warning: unrecognized command line option '-Wno-gnu'

Ref: https://downloads.openwrt.org/releases/faillogs-18.06/arm_cortex-a9_vfpv3/base/omcproxy/compile.txt
Signed-off-by: Eneas U de Queiroz <cote2004-github@yahoo.com>
[more verbose commit message]
Signed-off-by: Petr Štetiar <ynezz@true.cz>
(cherry picked from commit cb4d00d184)
This commit is contained in:
Eneas U de Queiroz 2018-12-14 16:25:27 -02:00 committed by Petr Štetiar
parent a68be42f99
commit 65a405382b
2 changed files with 36 additions and 1 deletions
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2
package/network/services/omcproxy/Makefile
View File

@ -8,7 +8,7 @@
include $(TOPDIR)/rules.mk
PKG_NAME:=omcproxy
PKG_RELEASE:=4
PKG_RELEASE:=5
PKG_SOURCE_URL:=https://github.com/sbyx/omcproxy.git
PKG_SOURCE_PROTO:=git

35
package/network/services/omcproxy/patches/100-mrib.c-don-t-use-cpu_to_be32-outside-of-function.patch Normal file
View File

@ -0,0 +1,35 @@
From 721064f2eb1dabe5bda63dcaff249b73ab891e6c Mon Sep 17 00:00:00 2001
From: Eneas U de Queiroz <cote2004-github@yahoo.com>
Date: Fri, 14 Dec 2018 15:13:41 -0200
Subject: [PATCH] mrib.c: don't use cpu_to_be32 outside of function
cpu_to_be32 is not a constant, so it can't be used outside of a
function.
Signed-off-by: Eneas U de Queiroz <cote2004-github@yahoo.com>
--- a/src/mrib.c
+++ b/src/mrib.c
@@ -21,6 +21,7 @@
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
+#include <endian.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <unistd.h>
@@ -54,7 +55,13 @@ struct mrib_iface {
struct uloop_timeout timer;
};
-static uint32_t ipv4_rtr_alert = cpu_to_be32(0x94040000);
+/* we can't use cpu_to_be32 outside a function */
+#if __BYTE_ORDER == __BIG_ENDIAN
+static uint32_t ipv4_rtr_alert = 0x94040000;
+#else
+static uint32_t ipv4_rtr_alert = 0x00000494;
+#endif
+
static struct {
struct ip6_hbh hdr;
struct ip6_opt_router rt;