From 89fb5eb32f9a62fb029b594ec4189563aa87aab7 Mon Sep 17 00:00:00 2001
From: Zbigniew Bodek <zbigniew.bodek@huawei.com>
Date: Fri, 9 Oct 2020 17:19:21 +0800
Subject: [PATCH] Fix build when NET_LWIP_SACK is disabled

Allows to disable NET_LWIP_SACK in the kernel configuration.

Signed-off-by: Zbigniew Bodek <zbigniew.bodek@huawei.com>
Change-Id: Ibcde4a811e67d61bc713d405414c4991cbc1bdd3
---
 syscall/Makefile | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/syscall/Makefile b/syscall/Makefile
index 622ccc28..bb32fe6e 100644
--- a/syscall/Makefile
+++ b/syscall/Makefile
@@ -33,6 +33,10 @@ MODULE_NAME := $(notdir $(shell pwd))
 
 LOCAL_SRCS := $(wildcard *.c)
 
+ifneq ($(LOSCFG_NET_LWIP_SACK), y)
+LOCAL_SRCS := $(filter-out net_syscall.c, $(LOCAL_SRCS))
+endif
+
 LOCAL_INCLUDE := -I $(LITEOSTOPDIR)/kernel/base/include \
                  -I $(LITEOSTOPDIR)/kernel/extended/dynload/include \
                  -I $(LITEOSTOPDIR)/fs/include \