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