The build script uses the option SPI to activate or deactivate the SPI hardware access.
SPI = ON => SPI feature is activated and must be compiled. In this case the configuration of v2s and v2l are possible.
SPI = OFF => SPI feature is deactivated and mus not be compiled. In this case the configuration of v2s and v2l is not possible. The server stops with an error.
SPI = DUMMY => SPI feature is deactivated and mus not be compiled. In this case the configuration of v2s and v2l are possible. The dummy feature is used.
The build script uses the option SPI to activate or deactivate the SPI hardware access.
SPI = ON => SPI feature is activated and must be compiled. In this case the configuration of v2s and v2l are possible. SPI = OFF => SPI feature is deactivated and mus not be compiled. In this case the configuration of v2s and v2l is not possible. The server stops with an error. SPI = DUMMY => SPI feature is deactivated and mus not be compiled. In this case the configuration of v2s and v2l are possible. The dummy feature is used.
SPI = OFF <=> SPI undefined