#!/usr/bin/env bash
# SPDX-License-Identifier: LGPL-2.1-or-later
set -eu
set -o pipefail
cpp="$1"
filesystems_gperf="$2"
shift 2
includes=""
for i in "$@"; do
includes="$includes -include $i"
done
error=false
# shellcheck disable=SC2086
for fs in $($cpp -dM $includes - /dev/null; then
# STACK_END_MAGIC doesn't refer to a filesystem
# mtd_inode was removed in 2015
# futexfs was removed in 2018
if [[ "$fs" =~ ^(STACK_END_MAGIC|MTD_INODE_FS_MAGIC|FUTEXFS_SUPER_MAGIC)$ ]]; then
continue
fi
echo "Filesystem found in kernel header but not in $(basename "$filesystems_gperf"): $fs";
error=true
fi
done
if $error; then
exit 1
fi