1 | #
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2 | # RTEMS Tools Project (http://www.rtems.org/)
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3 | # Copyright 2010-2012 Chris Johns (chrisj@rtems.org)
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4 | # All rights reserved.
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5 | #
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6 | # This file is part of the RTEMS Tools package in 'rtems-tools'.
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7 | #
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8 | # Permission to use, copy, modify, and/or distribute this software for any
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9 | # purpose with or without fee is hereby granted, provided that the above
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10 | # copyright notice and this permission notice appear in all copies.
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11 | #
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12 | # THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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13 | # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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14 | # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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15 | # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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16 | # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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17 | # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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18 | # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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19 |
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20 | #
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21 | # This code is based on what ever doco about spec files I could find and
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22 | # RTEMS project's spec files.
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23 | #
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24 |
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25 | import pprint
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26 | import os
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27 |
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28 | import execute
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29 |
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30 | def load():
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31 | uname = os.uname()
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32 | smp_mflags = ''
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33 | processors = '/bin/grep processor /proc/cpuinfo'
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34 | e = execute.capture_execution()
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35 | exit_code, proc, output = e.shell(processors)
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36 | if exit_code == 0:
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37 | cpus = 0
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38 | for l in output.split('\n'):
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39 | count = l.split(':')[1].strip()
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40 | if count > cpus:
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41 | cpus = int(count)
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42 | if cpus > 0:
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43 | smp_mflags = '-j%d' % (cpus)
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44 | defines = {
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45 | '_os': 'linux',
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46 | '_host': uname[4] + '-linux-gnu',
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47 | '_host_vendor': 'gnu',
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48 | '_host_os': 'linux',
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49 | '_host_cpu': uname[4],
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50 | '_host_alias': '%{nil}',
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51 | '_host_arch': uname[4],
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52 | '_usr': '/usr',
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53 | '_var': '/usr/var',
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54 | 'optflags': '-O2 -fasynchronous-unwind-tables',
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55 | '_smp_mflags': smp_mflags,
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56 | '__bzip2': '/usr/bin/bzip2',
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57 | '__gzip': '/bin/gzip',
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58 | '__tar': '/bin/tar'
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59 | }
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60 | return defines
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61 |
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62 | if __name__ == '__main__':
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63 | pprint.pprint(load())
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