[LITE][OPENCL] Fix armv7 gcc opencl compile (#3185)

* [LITE][OPENCL] Change fp32 fc to fp16's. test=develop

* fix act in conv3x3opt opencl kernel. test=develop

* [LITE][OPENCL] Fix issue(previous definition in gcc.a) armv7 gcc compile for opencl. test=develop

cmake/cross_compiling/postproject.cmake

@@ -59,7 +59,7 @@ function(check_linker_flag)
 endfunction()
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
 if (LITE_ON_TINY_PUBLISH)
-    if((NOT LITE_WITH_PYTHON) AND (NOT LITE_WITH_OPENCL))
+    if((NOT LITE_WITH_PYTHON))
         set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-exceptions")
     endif()
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -ffast-math -Ofast -Os -fomit-frame-pointer -fno-asynchronous-unwind-tables -fno-unwind-tables")
@@ -67,6 +67,12 @@ if (LITE_ON_TINY_PUBLISH)
     check_linker_flag(-Wl,--gc-sections)
 endif()
 
+if(LITE_WITH_OPENCL)
+    if(ARM_TARGET_LANG STREQUAL "clang")
+        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fexceptions")
+    endif()
+endif()
+
 if(LITE_WITH_OPENMP)
     find_package(OpenMP REQUIRED)
     if(OPENMP_FOUND OR OpenMP_CXX_FOUND)

lite/tools/build.sh

@@ -169,6 +169,7 @@ function make_opencl {
       -DLITE_WITH_LIGHT_WEIGHT_FRAMEWORK=ON \
       -DWITH_TESTING=OFF \
       -DLITE_BUILD_EXTRA=$BUILD_EXTRA \
+      -DLITE_SHUTDOWN_LOG=$SHUTDOWN_LOG \
       -DLITE_WITH_CV=$BUILD_CV \
       -DARM_TARGET_OS=$1 -DARM_TARGET_ARCH_ABI=$2 -DARM_TARGET_LANG=$3
 

lite/tools/ci_build.sh

@@ -118,6 +118,7 @@ function cmake_opencl {
         -DLITE_WITH_LIGHT_WEIGHT_FRAMEWORK=ON \
         -DWITH_TESTING=ON \
         -DLITE_BUILD_EXTRA=ON \
+        -DLITE_SHUTDOWN_LOG=OFF \
         -DLITE_WITH_CV=OFF \
         -DARM_TARGET_OS=$1 -DARM_TARGET_ARCH_ABI=$2 -DARM_TARGET_LANG=$3
 }