#!/bin/sh
set -eu
base="${TMPDIR-/tmp}/mcpu-cpp-dconfig-$$"
mkdir -p "$base"
trap 'rm -rf "$base"' EXIT HUP INT TERM

cat > "$base/test.conf" <<'EOT'
ZETA = /zeta;
ROOT = /opt/mcpu;
ALPHA = $ROOT/include;
MCPU_CPP_INCLUDE_PATH = $ROOT/include/mcpu;
EOT

"$MCPU_CPP" --config-file "$base/test.conf" -dconfig > "$base/config"

test -s "$base/config"
LC_ALL=C sort -c "$base/config"
grep '^ALPHA = /opt/mcpu/include;$' "$base/config" >/dev/null
grep '^MCPU_CPP_INCLUDE_PATH = /opt/mcpu/include/mcpu;$' "$base/config" >/dev/null
grep '^ROOT = /opt/mcpu;$' "$base/config" >/dev/null
grep '^ZETA = /zeta;$' "$base/config" >/dev/null
grep '^MCPU_CPP_SYSTEM_INCLUDE_PATH = ' "$base/config" >/dev/null