freebsd-dev/sys/tools/emu10k1-mkalsa.sh

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# $FreeBSD$
GREP=${GREP:-grep}
CC=${CC:-cc}
AWK=${AWK:-awk}
MV=${MV:=mv}
RM=${RM:=rm}
IN=$1
OUT=$2
trap "${RM} -f $OUT.tmp" EXIT
$GREP -v '#include' $IN | \
$CC -E -D__KERNEL__ -dM - | \
$AWK -F"[ (]" '
/define/ {
print "#ifndef " $2;
print;
print "#endif";
}' > $OUT.tmp
${MV} -f $OUT.tmp $OUT