cmake_minimum_required(VERSION 3.12) include(ExternalProject) ExternalProject_Add(GoogleTest GIT_REPOSITORY https://github.com/google/googletest.git GIT_TAG release-1.8.0 SOURCE_DIR "${GTEST_ROOT}/googletest" BINARY_DIR "${GTEST_ROOT}/build" INSTALL_DIR "${GTEST_ROOT}/install" CMAKE_ARGS ${GTEST_CMAKE_ARGS} -DCMAKE_INSTALL_PREFIX=${GTEST_ROOT}/install)