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#!/usr/bin/python3
# Check if glibc provided sys/mount.h can be used along related kernel
# headers.
# Copyright (C) 2022 Free Software Foundation, Inc.
# This file is part of the GNU C Library.
#
# The GNU C Library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# The GNU C Library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with the GNU C Library; if not, see
# <https://www.gnu.org/licenses/>.
import argparse
import sys
import glibcextract
def main():
"""The main entry point."""
parser = argparse.ArgumentParser(
description='Check if glibc provided sys/mount.h can be '
' used along related kernel headers.')
parser.add_argument('--cc', metavar='CC',
help='C compiler (including options) to use')
args = parser.parse_args()
if glibcextract.compile_c_snippet(
'#include <linux/mount.h>',
args.cc).returncode != 0:
sys.exit (77)
def check(testname, snippet):
# Add -Werror to catch macro redefinitions and _ISOMAC to avoid
# internal glibc definitions.
r = glibcextract.compile_c_snippet(snippet, args.cc,
'-Werror -D_ISOMAC')
if r.returncode != 0:
print('error: test {}:\n{}'.format(testname, r.output.decode()))
return r.returncode
status = max(
check("sys/mount.h + linux/mount.h",
"#include <sys/mount.h>\n"
"#include <linux/mount.h>"),
check("sys/mount.h + linux/fs.h",
"#include <sys/mount.h>\n"
"#include <linux/fs.h>"),
check("linux/mount.h + sys/mount.h",
"#include <linux/mount.h>\n"
"#include <sys/mount.h>"),
check("linux/fs.h + sys/mount.h",
"#include <linux/fs.h>\n"
"#include <sys/mount.h>"))
sys.exit(status)
if __name__ == '__main__':
main()
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