Like most GNU packages and other Free Software, Gnuk now have 'configure'.
$ ./configure --help Usage: ./configure [OPTION]... Defaults for the options are specified in brackets. Configuration: -h, --help display this help and exit [no] --target=TARGET specify target [OLIMEX_STM32_H103] supported targes are: OLIMEX_STM32_H103 STM32_PRIMER2 CQ_STARM STBEE_MINI --enable-debug debug with virtual COM port [no] --with-dfu build image for DFU [<target specific>] --with-fsij Use FSIJ serial number [no: random number]