Makefile hierarchy: CFLAGS override-ability actually works now The original version was broken in that CFLAGS=${CFLAGS} passing was done without quotes, which breaks as soon as there is a space in the user-set CFLAGS. Changing it to CFLAGS="${CFLAGS}" makes it work as originally intended.

/* this header file defines the data structure for baud rate machinations */

struct baudrate {
	char	*name;
	int	termios_code;
	int	nonstd_speed;
	int	bootrom_code;
};