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path: root/tools/meson-apply-m4.sh
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#!/bin/sh
set -eu

CONFIG=$1
TARGET=$2

if [ $# -ne 2 ]; then
        echo 'Invalid number of arguments.'
        exit 1
fi

if [ ! -f $CONFIG ]; then
        echo "$CONFIG not found."
        exit 2
fi

if [ ! -f $TARGET ]; then
        echo "$TARGET not found."
        exit 3
fi

DEFINES=$(awk '$1 == "#define" && $3 == "1" { printf "-D%s ", $2 }' $CONFIG)

m4 -P $DEFINES $TARGET