Created by: ysh329

使用最新的release版本的CMake会报错

编译：

./lite/tools/build.sh \
  --arm_os=android \
  --arm_abi=armv7 \
  --arm_lang=gcc \
  --android_stl=c++_static \
  full_publish

错误：

-- Found OpenMP_C: -fopenmp (found version "4.0")
CMake Error at /opt/cmake-3.15.4-Linux-x86_64/share/cmake-3.15/Modules/FindPackageHandleStandardArgs.cmake:137 (message):
  Could NOT find OpenMP_CXX (missing: OpenMP_CXX_FLAGS OpenMP_CXX_LIB_NAMES)
Call Stack (most recent call first):
  /opt/cmake-3.15.4-Linux-x86_64/share/cmake-3.15/Modules/FindPackageHandleStandardArgs.cmake:378 (_FPHSA_FAILURE_MESSAGE)
  /opt/cmake-3.15.4-Linux-x86_64/share/cmake-3.15/Modules/FindOpenMP.cmake:477 (find_package_handle_standard_args)
  cmake/cross_compiling/postproject.cmake:66 (find_package)
  CMakeLists.txt:109 (include)


-- Configuring incomplete, errors occurred!
See also "/home/yuanshuai/code/lite-conv-bn-fuser/build.lite.android.armv7.gcc/CMakeFiles/CMakeOutput.log".
See also "/home/yuanshuai/code/lite-conv-bn-fuser/build.lite.android.armv7.gcc/CMakeFiles/CMakeError.log".