gtest.cmake

# Only build gtest if it's not defined already
if(NOT TARGET gtest)

    set(GOOGLETEST_ROOT gtest/googletest CACHE STRING "Google Test source root")

    include_directories(SYSTEM
        ${PROJECT_SOURCE_DIR}/${GOOGLETEST_ROOT}
        ${PROJECT_SOURCE_DIR}/${GOOGLETEST_ROOT}/include
        )

    set(GOOGLETEST_SOURCES
        ${PROJECT_SOURCE_DIR}/${GOOGLETEST_ROOT}/src/gtest-all.cc
        ${PROJECT_SOURCE_DIR}/${GOOGLETEST_ROOT}/src/gtest_main.cc
        )

    foreach(_source ${GOOGLETEST_SOURCES})
        set_source_files_properties(${_source} PROPERTIES GENERATED 1)
    endforeach()

    add_library(gtest ${GOOGLETEST_SOURCES})

endif()