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#
# RTEMS Tools Project (http://www.rtems.org/)
# Copyright 2010-2012 Chris Johns (chrisj@rtems.org)
# All rights reserved.
#
# This file is part of the RTEMS Tools package in 'rtems-tools'.
#
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#
# This code is based on what ever doco about spec files I could find and
# RTEMS project's spec files.
#
import multiprocessing
import platform
import pprint
import os
from . import path
from . import log
def load():
uname = os.uname()
if uname[4].startswith('arm'):
cpu = 'arm'
else:
cpu = uname[4]
version = uname[2]
defines = {
'_ncpus': ('none', 'none', str(multiprocessing.cpu_count())),
'_os': ('none', 'none', 'linux'),
'_host': ('triplet', 'required', cpu + '-linux-gnu'),
'_host_vendor': ('none', 'none', 'gnu'),
'_host_os': ('none', 'none', 'linux'),
'_host_os_version': ('none', 'none', version),
'_host_cpu': ('none', 'none', cpu),
'_host_alias': ('none', 'none', '%{nil}'),
'_host_arch': ('none', 'none', cpu),
'_usr': ('dir', 'required', '/usr'),
'_var': ('dir', 'required', '/var'),
'_prefix': ('dir', 'optional', '/opt'),
'__bzip2': ('exe', 'required', '/usr/bin/bzip2'),
'__gzip': ('exe', 'required', '/bin/gzip'),
'__tar': ('exe', 'required', '/bin/tar')
}
# platform.dist() was removed in Python 3.8
# The distro module (introduced in Python 3.6, back-ported to 2.6)
# is preferred.
distro = ''
distro_like = ''
distro_ver = 0
variations = {
'debian' : { '__bzip2': ('exe', 'required', '/bin/bzip2'),
'__chgrp': ('exe', 'required', '/bin/chgrp'),
'__chown': ('exe', 'required', '/bin/chown'),
'__grep': ('exe', 'required', '/bin/grep'),
'__sed': ('exe', 'required', '/bin/sed') },
'redhat' : { '__bzip2': ('exe', 'required', '/bin/bzip2'),
'__chgrp': ('exe', 'required', '/bin/chgrp'),
'__chown': ('exe', 'required', '/bin/chown'),
'__install_info': ('exe', 'required', '/sbin/install-info'),
'__grep': ('exe', 'required', '/bin/grep'),
'__sed': ('exe', 'required', '/bin/sed'),
'__touch': ('exe', 'required', '/bin/touch') },
'fedora' : { '__chown': ('exe', 'required', '/usr/bin/chown'),
'__install_info': ('exe', 'required', '/usr/sbin/install-info') },
'arch' : { '__gzip': ('exe', 'required', '/usr/bin/gzip'),
'__chown': ('exe', 'required', '/usr/bin/chown') },
'suse' : { '__chgrp': ('exe', 'required', '/usr/bin/chgrp'),
'__chown': ('exe', 'required', '/usr/sbin/chown') },
'gentoo' : { '__bzip2': ('exe', 'required', '/bin/bzip2'),
'__chgrp': ('exe', 'required', '/bin/chgrp'),
'__chown': ('exe', 'required', '/bin/chown'),
'__gzip': ('exe', 'required', '/bin/gzip'),
'__grep': ('exe', 'required', '/bin/grep'),
'__sed': ('exe', 'required', '/bin/sed') },
}
try:
import distro as distro_mod
distro = distro_mod.id()
distro_like = distro_mod.like()
try:
distro_ver = float(distro_mod.version())
except ValueError:
pass
except:
pass
if distro == '' and hasattr(platform, 'dist'):
distro = platform.dist()[0]
try:
distro_ver = float(platform.dist()[1])
except ValueError:
pass
# Non LSB - last resort, try issue
if distro == '':
try:
with open('/etc/issue') as f:
issue = f.read().split(' ')
distro = issue[0]
distro_ver = float(issue[2])
except:
pass
if distro:
distro = distro.lower()
if distro_like:
distro_like = distro_like.lower().split(' ')[0]
# Some additional distro aliases
if distro in ['centos']:
distro_like = 'redhat'
elif distro in ['fedora']:
if distro_ver < 17:
distro_like = 'redhat'
elif distro in ['ubuntu', 'mx', 'linuxmint']:
distro_like = 'debian'
if not (distro in variations) and (distro_like in variations):
distro = distro_like
# Versions don't carry over to likes; e.g. linuxmint 21.6 != debian 21.6.
distro_ver = 0
if distro in variations:
for v in variations[distro]:
if path.exists(variations[distro][v][2]):
defines[v] = variations[distro][v]
else:
log.warning('Unrecognized OS distro; assuming defaults for grep, sed, etc.')
try:
distro_mod
except:
log.warning("The 'distro' package may fix this problem; try 'pip install distro'.")
defines['_build'] = defines['_host']
defines['_build_vendor'] = defines['_host_vendor']
defines['_build_os'] = defines['_host_os']
defines['_build_cpu'] = defines['_host_cpu']
defines['_build_alias'] = defines['_host_alias']
defines['_build_arch'] = defines['_host_arch']
return defines
if __name__ == '__main__':
pprint.pprint(load())
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