112 lines
3.4 KiB
Python
Executable file
112 lines
3.4 KiB
Python
Executable file
#!/usr/bin/env python
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#
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# This script returns 0 when run on a platform supported by the current
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# branch of LinuxCNC, and 1 when run on an unsupported platform. It is
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# intended to guide build automation on whether or not to try to build.
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#
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# Copyright: 2014, 2016
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# Author: Sebastian Kuzminsky <seb@highlab.com>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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import os
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import sys
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import subprocess
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import re
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supported_oses = [ 'linux' ]
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supported_cpus = [ 'amd64', 'i386', 'arm' ]
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supported_kernel_flavors = [ 'rtai', 'rtpreempt', 'vanilla' ]
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def detect_os():
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return os.uname()[0].lower()
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def detect_kernel_flavor(uname):
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try:
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f = open("/boot/config-%s" % uname)
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except IOError:
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print "no kernel configuration found for %s" % uname
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sys.exit(1)
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l = f.read(-1)
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f.close()
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config_ipipe = re.search('^CONFIG_IPIPE', l, re.MULTILINE)
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config_xeno = re.search('^CONFIG_XENO_', l, re.MULTILINE)
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config_rtpreempt = re.search('^CONFIG_PREEMPT_RT', l, re.MULTILINE)
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if config_ipipe and not config_xeno and not config_rtpreempt:
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return 'rtai'
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elif config_ipipe and config_xeno and not config_rtpreempt:
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return 'xenomai'
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elif not config_ipipe and not config_xeno and config_rtpreempt:
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return 'rtpreempt'
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else:
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return 'vanilla'
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# use subprocess.Popen() in this funny way, instead of
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# subprocess.check_output(), because check_output() is not in Hardy's
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# Python 2.5
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os = detect_os()
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if os == 'linux':
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cpu = subprocess.Popen(['dpkg-architecture', '-qDEB_HOST_ARCH_CPU'], stdout=subprocess.PIPE).communicate()[0][:-1]
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distributor = subprocess.Popen(['lsb_release', '--id', '--short'], stdout=subprocess.PIPE).communicate()[0][:-1]
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release = subprocess.Popen(['lsb_release', '--release', '--short'], stdout=subprocess.PIPE).communicate()[0][:-1]
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major, minor = re.split('\.', release)
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release_major = int(major)
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release_minor = int(minor)
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uname = subprocess.Popen(['uname', '-r'], stdout=subprocess.PIPE).communicate()[0][:-1]
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kernel_flavor = detect_kernel_flavor(uname)
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else:
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print "unknown OS:", os
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sys.exit(1)
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print "os =", os
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print "cpu =", cpu
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print "distributor =", distributor
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print "release =", release
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print " major =", release_major
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print " minor =", release_minor
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print "uname = %s (%s)" % (uname, kernel_flavor)
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if os not in supported_oses:
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print "unsupported OS!"
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sys.exit(1)
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if cpu not in supported_cpus:
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print "unsupported CPU!"
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sys.exit(1)
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if distributor == 'Ubuntu':
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if release_major < 10:
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print "release is too old!"
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sys.exit(1)
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if kernel_flavor not in supported_kernel_flavors:
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print "unsupported kernel flavor"
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sys.exit(1)
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print "this platform is supported!"
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sys.exit(0)
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