mirror of
https://git.rtems.org/rtems-source-builder
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83 lines
3.1 KiB
Python
83 lines
3.1 KiB
Python
#
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# RTEMS Tools Project (http://www.rtems.org/)
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# Copyright 2010-2012 Chris Johns (chrisj@rtems.org)
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# All rights reserved.
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#
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# This file is part of the RTEMS Tools package in 'rtems-tools'.
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#
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# Permission to use, copy, modify, and/or distribute this software for any
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# purpose with or without fee is hereby granted, provided that the above
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# copyright notice and this permission notice appear in all copies.
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#
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# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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#
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# This code is based on what ever doco about spec files I could find and
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# RTEMS project's spec files.
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#
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import pprint
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import os
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import execute
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import path
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def load():
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uname = os.uname()
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smp_mflags = ''
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processors = '/bin/grep processor /proc/cpuinfo'
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e = execute.capture_execution()
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exit_code, proc, output = e.shell(processors)
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if exit_code == 0:
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cpus = 0
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try:
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for l in output.split('\n'):
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count = l.split(':')[1].strip()
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if count > cpus:
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cpus = int(count)
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if cpus > 0:
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smp_mflags = '-j%d' % (cpus)
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except:
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pass
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if uname[4].startswith('arm'):
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cpu = 'arm'
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else:
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cpu = uname[4]
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defines = {
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'_os': ('none', 'none', 'linux'),
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'_host': ('triplet', 'required', cpu + '-linux-gnu'),
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'_host_vendor': ('none', 'none', 'gnu'),
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'_host_os': ('none', 'none', 'linux'),
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'_host_cpu': ('none', 'none', cpu),
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'_host_alias': ('none', 'none', '%{nil}'),
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'_host_arch': ('none', 'none', cpu),
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'_usr': ('dir', 'required', '/usr'),
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'_var': ('dir', 'required', '/var'),
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'optflags': ('none', 'none', '-O2 -pipe'),
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'_smp_mflags': ('none', 'none', smp_mflags),
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'__bzip2': ('exe', 'required', '/usr/bin/bzip2'),
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'__gzip': ('exe', 'required', '/bin/gzip'),
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'__tar': ('exe', 'required', '/bin/tar')
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}
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variations = {
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'__bzip2': ('exe', 'required', '/bin/bzip2'), # Ubuntu
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'__chgrp': ('exe', 'required', '/bin/chgrp'), # Ubuntu
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'__chown': ('exe', 'required', '/bin/chown'), # Ubuntu
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'__grep': ('exe', 'required', '/bin/grep'), # Ubuntu
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'__sed': ('exe', 'required', '/bin/sed'), # Ubuntu
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'__install_info': ('exe', 'required', '/sbin/install-info') # Fedora
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}
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for v in variations:
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if path.exists(variations[v][2]):
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defines[v] = variations[v]
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return defines
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if __name__ == '__main__':
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pprint.pprint(load())
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