cmake DCXX_FILESYSTEM_HAVE_FS examples

STORM-IRIT/Radium-Engine src/Core/CMakeLists.txt :45 

target_compile_definitions(
    ${ra_core_target}
    PUBLIC -DCXX_FILESYSTEM_HAVE_FS
           -DCXX_FILESYSTEM_IS_EXPERIMENTAL=$<BOOL:${CXX_FILESYSTEM_IS_EXPERIMENTAL}>
           -DCXX_FILESYSTEM_NAMESPACE=${CXX_FILESYSTEM_NAMESPACE}
)

STORM-IRIT/Radium-Engine tests/integration/CMakeLists.txt :80 

target_compile_definitions(
        integration_${INTEGRATION_TEST}
        PRIVATE -DCXX_FILESYSTEM_HAVE_FS
                -DCXX_FILESYSTEM_IS_EXPERIMENTAL=$<BOOL:${CXX_FILESYSTEM_IS_EXPERIMENTAL}>
                -DCXX_FILESYSTEM_NAMESPACE=${CXX_FILESYSTEM_NAMESPACE}
    )

STORM-IRIT/Radium-Engine tests/integration/CMakeLists.txt :236 

target_compile_definitions(
    integration_${INTEGRATION_TEST}
    PRIVATE -DCXX_FILESYSTEM_HAVE_FS
            -DCXX_FILESYSTEM_IS_EXPERIMENTAL=$<BOOL:${CXX_FILESYSTEM_IS_EXPERIMENTAL}>
            -DCXX_FILESYSTEM_NAMESPACE=${CXX_FILESYSTEM_NAMESPACE}
)

STORM-IRIT/Radium-Engine tests/unittest/CMakeLists.txt :68 

target_compile_definitions(
    unittests
    PRIVATE -DCXX_FILESYSTEM_HAVE_FS
            -DCXX_FILESYSTEM_IS_EXPERIMENTAL=$<BOOL:${CXX_FILESYSTEM_IS_EXPERIMENTAL}>
            -DCXX_FILESYSTEM_NAMESPACE=${CXX_FILESYSTEM_NAMESPACE}
)