source: rtems-tools/rtemstoolkit/darwin.py @ 3618a62

Last change on this file since 3618a62 was 7d3350d, checked in by Chris Johns <chrisj@…>, on Apr 24, 2017 at 2:31:44 PM

rtemstoolkit: Move host support access into a separate module.

Moving the host support into a module lets it get used where options
is not being used.

  • Property mode set to 100644
File size: 3.5 KB
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1#
2# RTEMS Tools Project (http://www.rtems.org/)
3# Copyright 2010-2017 Chris Johns (chrisj@rtems.org)
4# All rights reserved.
5#
6# This file is part of the RTEMS Tools package in 'rtems-tools'.
7#
8# Redistribution and use in source and binary forms, with or without
9# modification, are permitted provided that the following conditions are met:
10#
11# 1. Redistributions of source code must retain the above copyright notice,
12# this list of conditions and the following disclaimer.
13#
14# 2. Redistributions in binary form must reproduce the above copyright notice,
15# this list of conditions and the following disclaimer in the documentation
16# and/or other materials provided with the distribution.
17#
18# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
22# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28# POSSIBILITY OF SUCH DAMAGE.
29#
30
31#
32# This code is based on what ever doco about spec files I could find and
33# RTEMS project's spec files.
34#
35
36import os
37
38#
39# Support to handle use in a package and as a unit test.
40# If there is a better way to let us know.
41#
42try:
43    from . import execute
44except (ValueError, SystemError):
45    import execute
46
47def cpus():
48    sysctl = '/usr/sbin/sysctl '
49    e = execute.capture_execution()
50    exit_code, proc, output = e.shell(sysctl + 'hw.ncpu')
51    if exit_code == 0:
52        ncpus = int(output.split(' ')[1].strip())
53    else:
54        ncpus = 1
55    return ncpus
56
57def overrides():
58    uname = os.uname()
59    ncpus = '%d' % (cores())
60    defines = {
61        '_ncpus':         ('none',    'none',     ncpus),
62        '_os':            ('none',    'none',     'darwin'),
63        '_host':          ('triplet', 'required', uname[4] + '-apple-darwin' + uname[2]),
64        '_host_vendor':   ('none',    'none',     'apple'),
65        '_host_os':       ('none',    'none',     'darwin'),
66        '_host_cpu':      ('none',    'none',     uname[4]),
67        '_host_alias':    ('none',    'none',     '%{nil}'),
68        '_host_arch':     ('none',    'none',     uname[4]),
69        '_host_prefix':   ('dir',     'optional', '%{_usr}'),
70        '_usr':           ('dir',     'optional', '/usr/local'),
71        '_var':           ('dir',     'optional', '/usr/local/var'),
72        '__ldconfig':     ('exe',     'none',     ''),
73        '__cvs':          ('exe',     'required', 'cvs'),
74        '__xz':           ('exe',     'required', '%{_usr}/bin/xz'),
75        'with_zlib':      ('none',    'none',     '--with-zlib=no'),
76        '_forced_static': ('none',    'none',     '')
77        }
78
79    defines['_build']        = defines['_host']
80    defines['_build_vendor'] = defines['_host_vendor']
81    defines['_build_os']     = defines['_host_os']
82    defines['_build_cpu']    = defines['_host_cpu']
83    defines['_build_alias']  = defines['_host_alias']
84    defines['_build_arch']   = defines['_host_arch']
85
86    return defines
87
88if __name__ == '__main__':
89    import pprint
90    pprint.pprint(cpus())
91    pprint.pprint(overrides())
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