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.

#!/bin/sh

if [ $# != 1 ]
then
	echo "usage: $0 ttyport" 1>&2
	exit 1
fi

fcdir=/opt/freecalypso
exec $fcdir/bin/fc-compalram "$1" $fcdir/target-bin/c139explore.bin