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#!/usr/bin/env bash
# Source file.
src="$(printf %q "$1")"
shift
# Output file the compiler expects.
out="$(printf %q "$1")"
shift
# Create the file the compiler expects. It will check syntax.
>"$out"
cpp='cpp'
opts=''
while test "$#" != 0; do
case "$1" in
# Extract the option for the path to cpp.
--cpp) shift; cpp="$(printf %q "$1")" ;;
# Extract the option for our own output file.
--out) shift; out="$(printf %q "$1")" ;;
# Collect the rest of the command line.
*) opts="$opts $(printf %q "$1")" ;;
esac
shift
done
# Execute the real preprocessor tool.
eval "exec $cpp $src $out $opts"
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