###
# NOTE for v1.8.0: https://github.com/google/googletest/issues/854
# -fPIC CXXFLAG is needed else it fails linking
###
ExternalProject_Add(
	gtest
	DOWNLOAD_COMMAND ""
	SOURCE_DIR ${PROJECT_SOURCE_DIR}/common/gtest/googletest
	CMAKE_ARGS -DCMAKE_BUILD_TYPE=Release
	INSTALL_COMMAND ""
)
ExternalProject_Get_Property(gtest binary_dir)
ExternalProject_Get_Property(gtest source_dir)
set(gtest_main_library ${binary_dir}/libgtest_main.a)
set(gtest_library ${binary_dir}/libgtest.a)
set(gtest_include_dir "${source_dir}/include")
include_directories(SYSTEM "${gtest_include_dir}")