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#!/bin/sh
set -eu
src="${TMPDIR-/tmp}/mcpu-cpp-macro-$$.c"
out="${TMPDIR-/tmp}/mcpu-cpp-macro-$$.out"
trap 'rm -f "$src" "$out"' EXIT HUP INT TERM
cat > "$src" <<'EOT'
#define A B
#define B 42
#define EMPTY
A
x EMPTY y
"A B"
#define SELF SELF
SELF
#undef B
A
#lang "diff"
y' = A;
#endlang
EOT
"$MCPU_CPP" --no-config "$src" -o "$out"
grep '^42$' "$out" >/dev/null
grep '^x y$' "$out" >/dev/null
grep '^"A B"$' "$out" >/dev/null
grep '^SELF$' "$out" >/dev/null
grep '^B$' "$out" >/dev/null
grep "y' = B;" "$out" >/dev/null
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