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 structures for the SREC reader module */

struct srecreader {
	char		*filename;
	FILE		*openfile;
	int		lineno;
	u_char		record[256];	/* binary */
	char		record_type;	/* ASCII char */
	u_char		datalen;
	uint32_t	addr;
};