RAW=` \
gcc -E -dM ${1:-Config.h} | \
sed -n -e '/^.*BB_FEATURE.*$/d;s/^#define.*\<BB_\(.*\)\>/\1.c/gp;' \
- | tr '[:upper:]' '[:lower:]' | sort
+ | tr A-Z a-z | sort
`
+test "${RAW}" != "" || exit
cd ${2:-.}
# I added in the extra "ls" so only source files that
# actually exist will show up in the compile list.