cmake HAS_STD_SPAN examples

gnss-sdr/gnss-sdr src/algorithms/acquisition/adapters/CMakeLists.txt :123 

target_compile_definitions(acquisition_adapters
        PRIVATE -DHAS_STD_SPAN=1
    )

gnss-sdr/gnss-sdr src/algorithms/acquisition/gnuradio_blocks/CMakeLists.txt :96 

target_compile_definitions(acquisition_gr_blocks
        PRIVATE -DHAS_STD_SPAN=1
    )

gnss-sdr/gnss-sdr src/algorithms/libs/CMakeLists.txt :138 

target_compile_definitions(algorithms_libs
        PUBLIC -DHAS_STD_SPAN=1
    )

gnss-sdr/gnss-sdr src/algorithms/tracking/gnuradio_blocks/CMakeLists.txt :156 

target_compile_definitions(tracking_gr_blocks
        PUBLIC -DHAS_STD_SPAN=1
    )