x86_64-linux-gnu-python3.5m-config -V (return code: 1)
Usage: /usr/bin/x86_64-linux-gnu-python3.5m-config --prefix|--exec-prefix|--includes|--libs|--cflags|--ldflags|--extension-suffix|--help|--abiflags|--configdir
x86_64-linux-gnu-python3.5m-config --help (return code: 0)
Usage: /usr/bin/x86_64-linux-gnu-python3.5m-config --prefix|--exec-prefix|--includes|--libs|--cflags|--ldflags|--extension-suffix|--help|--abiflags|--configdir