#!/bin/sh
# --ifdef

# Bug reported by Robert Webb in <http://bugs.gnu.org/61193>.

. "${srcdir=.}/init.sh"; path_prepend_ ../src

fail=0

cat <<'EOF' >a
1
2
3
4
5
EOF

cat <<'EOF' >b
1
4
5
EOF

cat <<'EOF' >exp
1
#ifndef ZZZ
2
3
#endif /* ! ZZZ */
4
5
EOF

returns_ 1 diff -D ZZZ a b >out 2>err || fail=1
compare exp out || fail=1

Exit $fail