!9791 transform gene_opencl shell to cmake

From: @ddwsky
Reviewed-by: @HilbertDavid,@zhanghaibo5
Signed-off-by: @HilbertDavid

build.sh

@@ -625,7 +625,6 @@ build_lite()
     echo "============ Start building MindSpore Lite ${VERSION_STR} ============"
     if [ "${ENABLE_GPU}" == "on" ] && [ "${LITE_PLATFORM}" == "arm64" ]; then
       echo "start build opencl"
-      build_opencl
     fi
     if [ "${ENABLE_NPU}" == "on" ]; then
       checkddk

cmake/external_libs/opencl.cmake

@@ -0,0 +1,45 @@
+if (ENABLE_GITEE)
+    set(REQ_URL "https://gitee.com/mirrors/flatbuffers/repository/archive/v2020.06.16.tar.gz")
+    set(MD5 "fc7627b5a8a95ecbe3d5df43bc88aa44")
+    set(PKG_GIT_TAG "")
+    __download_pkg_with_git(OpenCL-Headers ${REQ_URL} ${PKG_GIT_TAG} ${MD5})
+    set(REQ_URL "https://gitee.com/mirrors/flatbuffers/repository/archive/v2.0.12.tar.gz")
+    set(MD5 "bd00fca8f861b3b65660d719f00a58dd")
+    set(PKG_GIT_TAG "")
+    __download_pkg_with_git(OpenCL-CLHPP ${REQ_URL} ${PKG_GIT_TAG} ${MD5})
+else()
+    set(REQ_URL "https://github.com/KhronosGroup/OpenCL-Headers/archive/v2020.06.16.tar.gz")
+    set(MD5 "fc7627b5a8a95ecbe3d5df43bc88aa44")
+    __download_pkg(OpenCL-Headers ${REQ_URL} ${MD5})
+    set(REQ_URL "https://github.com/KhronosGroup/OpenCL-CLHPP/archive/v2.0.12.tar.gz")
+    set(MD5 "bd00fca8f861b3b65660d719f00a58dd")
+    __download_pkg(OpenCL-CLHPP ${REQ_URL} ${MD5})
+endif ()
+
+function(gene_opencl BASEPATH)
+    string(CONCAT CL_SRC_DIR "${BASEPATH}" "/src/runtime/kernel/opencl/cl")
+    message(STATUS "**********gene opencl*********base path: " "${BASEPATH}" ", cl path: " "${CL_SRC_DIR}")
+    if(NOT EXISTS ${CL_SRC_DIR})
+        return()
+    endif()
+    file(GLOB_RECURSE CL_LIST ${CL_SRC_DIR}/*.cl)
+    foreach(file_path ${CL_LIST})
+        file(REMOVE ${file_path}.inc)
+        string(REGEX REPLACE ".+/(.+)\\..*" "\\1" kernel_name "${file_path}")
+        set(inc_file_ex "${kernel_name}.cl.inc")
+        execute_process(
+                COMMAND bash -c "sed 's/\\\\/\\\\\\\\/g' "
+                COMMAND bash -c "sed 's/\\\"/\\\\\\\"/g' "
+                COMMAND bash -c "sed 's/$/\\\\n\\\" \\\\/' "
+                COMMAND bash -c "sed 's/^/\\\"/' "
+                WORKING_DIRECTORY ${CL_SRC_DIR}
+                INPUT_FILE ${file_path}
+                OUTPUT_FILE ${inc_file_ex}
+                RESULT_VARIABLE RESULT)
+        if(NOT RESULT EQUAL "0")
+            message(FATAL_ERROR "error! when generate ${inc_file_ex}")
+        endif()
+        __exec_cmd(COMMAND sed -i "1i\\static const char *${kernel_name}_source =\\\"\\\\n\\\" \\\\" ${inc_file_ex} WORKING_DIRECTORY ${CL_SRC_DIR})
+        __exec_cmd(COMMAND sed -i "$a\\\\\;" ${inc_file_ex} WORKING_DIRECTORY ${CL_SRC_DIR})
+    endforeach()
+endfunction()

mindspore/lite/CMakeLists.txt

@@ -114,6 +114,7 @@ include(${TOP_DIR}/cmake/utils.cmake)
 include(${TOP_DIR}/cmake/dependency_utils.cmake)
 include(${TOP_DIR}/cmake/dependency_securec.cmake)
 include(${TOP_DIR}/cmake/external_libs/flatbuffers.cmake)
+include(${TOP_DIR}/cmake/external_libs/opencl.cmake)
 
 if (ENABLE_CONVERTER OR BUILD_MINDDATA STREQUAL "full")
 include(${TOP_DIR}/cmake/external_libs/json.cmake)
@@ -152,6 +153,7 @@ if (ENABLE_FP16)
     add_compile_definitions(ENABLE_FP16)
 endif ()
 if (SUPPORT_GPU)
+    gene_opencl(${CMAKE_CURRENT_SOURCE_DIR})
     add_definitions(-DUSE_OPENCL_WRAPPER)
     add_definitions(-DMS_OPENCL_PROFILE=false)
     add_definitions(-DCL_HPP_TARGET_OPENCL_VERSION=200)