sysdeps/unix/sysv/linux/tst-mount-compile.py

   1 #!/usr/bin/python3
   2 # Check if glibc provided sys/mount.h can be used along related kernel
   3 # headers.
   4 # Copyright (C) 2022-2024 Free Software Foundation, Inc.
   5 # This file is part of the GNU C Library.
   6 #
   7 # The GNU C Library is free software; you can redistribute it and/or
   8 # modify it under the terms of the GNU Lesser General Public
   9 # License as published by the Free Software Foundation; either
  10 # version 2.1 of the License, or (at your option) any later version.
  11 #
  12 # The GNU C Library is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15 # Lesser General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU Lesser General Public
  18 # License along with the GNU C Library; if not, see
  19 # <https://www.gnu.org/licenses/>.
  20
  21 import argparse
  22 import sys
  23
  24 import glibcextract
  25
  26
  27 def main():
  28     """The main entry point."""
  29     parser = argparse.ArgumentParser(
  30         description='Check if glibc provided sys/mount.h can be '
  31                     ' used along related kernel headers.')
  32     parser.add_argument('--cc', metavar='CC',
  33                         help='C compiler (including options) to use')
  34     args = parser.parse_args()
  35
  36     if glibcextract.compile_c_snippet(
  37             '#include <linux/mount.h>',
  38             args.cc).returncode != 0:
  39         sys.exit (77)
  40
  41     def check(testname, snippet):
  42         # Add -Werror to catch macro redefinitions and _ISOMAC to avoid
  43         # internal glibc definitions.
  44         r = glibcextract.compile_c_snippet(snippet, args.cc,
  45                 '-Werror -D_ISOMAC')
  46         if r.returncode != 0:
  47             print('error: test {}:\n{}'.format(testname, r.output.decode()))
  48         return r.returncode
  49
  50     status = max(
  51         check("sys/mount.h + linux/mount.h",
  52               "#include <sys/mount.h>\n"
  53               "#include <linux/mount.h>"),
  54         check("sys/mount.h + linux/fs.h",
  55               "#include <sys/mount.h>\n"
  56               "#include <linux/fs.h>"),
  57         check("linux/mount.h + sys/mount.h",
  58               "#include <linux/mount.h>\n"
  59               "#include <sys/mount.h>"),
  60         check("linux/fs.h + sys/mount.h",
  61               "#include <linux/fs.h>\n"
  62               "#include <sys/mount.h>"))
  63     sys.exit(status)
  64
  65 if __name__ == '__main__':
  66     main()