cmake_minimum_required(VERSION 3.9)
project(gtest_builder C CXX)
include(ExternalProject)

set(GTEST_FORCE_SHARED_CRT ON)
set(GTEST_DISABLE_PTHREADS OFF)

if(MINGW)
    set(GTEST_DISABLE_PTHREADS ON)
endif()

ExternalProject_Add(googletest
    GIT_REPOSITORY https://github.com/google/googletest.git
    GIT_TAG        07d45437f288e25db9f7c78ecbc4df8b5b81a47b
    CMAKE_ARGS -DCMAKE_ARCHIVE_OUTPUT_DIRECTORY_DEBUG:PATH=DebugLibs
    -DCMAKE_ARCHIVE_OUTPUT_DIRECTORY_RELEASE:PATH=ReleaseLibs
    -DCMAKE_CXX_FLAGS=${MSVC_COMPILER_DEFS}
    -Dgtest_force_shared_crt=${GTEST_FORCE_SHARED_CRT}
    -Dgtest_disable_pthreads=${GTEST_DISABLE_PTHREADS}
    -DBUILD_GTEST=ON
    PREFIX "${CMAKE_CURRENT_BINARY_DIR}"
    # Disable install step
    INSTALL_COMMAND ""
    )

# Specify include dir
ExternalProject_Get_Property(googletest source_dir)
set(GTEST_INCLUDE_DIRS ${source_dir}/googletest/include PARENT_SCOPE)

# Specify MainTest's link libraries
ExternalProject_Get_Property(googletest binary_dir)
set(GTEST_LIBS_DIR ${binary_dir}/googlemock/gtest PARENT_SCOPE)