118 lines
3.5 KiB
Python
Executable file
118 lines
3.5 KiB
Python
Executable file
#!/usr/bin/env python3
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 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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if sys.version_info.minor < 7:
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raise SystemExit("System Python is too old")
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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, assuming vanilla" % uname)
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return 'vanilla'
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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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os = detect_os()
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if os == 'linux':
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cpu = subprocess.check_output(['dpkg-architecture', '-qDEB_HOST_ARCH_CPU']).strip().decode()
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distributor = subprocess.check_output(['lsb_release', '--id', '--short']).strip().decode()
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release = subprocess.check_output(['lsb_release', '--release', '--short']).strip().decode()
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try:
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major, minor = re.split('\.', release)
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except ValueError as e:
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major = release
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minor = "0"
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release_major = int(major)
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release_minor = int(minor)
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uname = subprocess.check_output(['uname', '-r']).strip().decode()
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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 < 20:
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print("release is too old!")
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sys.exit(1)
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if distributor == 'Debian':
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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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