From 813f17ba51bf1f4e0e392ce1058a1bbdaff43721 Mon Sep 17 00:00:00 2001
From: ysh329 <ysh329@users.noreply.github.com>
Date: Fri, 10 Jul 2020 09:31:35 +0800
Subject: [PATCH] [cherry-pick] Fix abnormal exit for opencl build (#3917)

* [LITE][COMPILE] Fix clang compile slow for arm cpu and abnormal exit for opencl. test=develop (#3763)
---
 cmake/cross_compiling/postproject.cmake | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/cmake/cross_compiling/postproject.cmake b/cmake/cross_compiling/postproject.cmake
index 3db715ba74..069923c779 100644
--- a/cmake/cross_compiling/postproject.cmake
+++ b/cmake/cross_compiling/postproject.cmake
@@ -71,6 +71,12 @@ if (LITE_ON_TINY_PUBLISH)
     check_linker_flag(-Wl,--gc-sections)
 endif()
 
+if(ARM_TARGET_LANG STREQUAL "clang")
+    # note(ysh329): fix slow compilation for arm cpu, 
+    #               and abnormal exit compilation for opencl due to lots of warning
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-inconsistent-missing-override -Wno-return-type")
+endif()
+
 if(LITE_WITH_OPENMP)
     find_package(OpenMP REQUIRED)
     if(OPENMP_FOUND OR OpenMP_CXX_FOUND)
-- 
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