gtest.cmake

# ============================================================
# GoogleTest dependency
# ============================================================

# Google's CMakeLists.txt doesn't have make install :(

set(gtest_PREFIX "${CMAKE_CURRENT_BINARY_DIR}/gtest")
set(gtest_INSTALL_DIR "${CMAKE_CURRENT_BINARY_DIR}/gtest")
set(gtest_CMAKE_ARGS "-D" "CMAKE_INSTALL_PREFIX=${gtest_INSTALL_DIR}")
pass_through(gtest_CMAKE_ARGS)
set(gtest_INCLUDES "${gtest_INSTALL_DIR}/include")
set(gtest_LIBRARIES
    ${gtest_INSTALL_DIR}/lib/libgtest_main.a
    ${gtest_INSTALL_DIR}/lib/libgtest.a
)
ExternalProject_Add(
    gtest
    SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/deps/gtest-1.7.0
    PREFIX ${gtest_PREFIX}
    CONFIGURE_COMMAND ${envtool_args} "CXXFLAGS=-std=c++14"
        ${CMAKE_COMMAND} ${gtest_CMAKE_ARGS}
        ${CMAKE_CURRENT_SOURCE_DIR}/deps/gtest-1.7.0
    INSTALL_COMMAND "${CMAKE_COMMAND}" "-E"
        "copy_directory" "${CMAKE_CURRENT_SOURCE_DIR}/deps/gtest-1.7.0/include"
         "${gtest_INSTALL_DIR}/include"
    COMMAND "${CMAKE_COMMAND}" "-E" "make_directory" "${gtest_INSTALL_DIR}/lib"
    COMMAND "${CMAKE_COMMAND}" "-E" "copy_if_different" "${gtest_INSTALL_DIR}/src/gtest-build/libgtest.a" "${gtest_INSTALL_DIR}/lib"
    COMMAND "${CMAKE_COMMAND}" "-E" "copy_if_different" "${gtest_INSTALL_DIR}/src/gtest-build/libgtest_main.a" "${gtest_INSTALL_DIR}/lib"
)