1from os import getenv
 2from subprocess import Popen, PIPE
 3from re import sub
 4
 5cc = getenv("CC")
 6cc_is_clang = b"clang version" in Popen([cc.split()[0], "-v"], stderr=PIPE).stderr.readline()
 7
 8def clang_has_option(option):
 9    return [o for o in Popen([cc, option], stderr=PIPE).stderr.readlines() if b"unknown argument" in o] == [ ]
10
11if cc_is_clang:
12    from distutils.sysconfig import get_config_vars
13    vars = get_config_vars()
14    for var in ('CFLAGS', 'OPT'):
15        vars[var] = sub("-specs=[^ ]+", "", vars[var])
16        if not clang_has_option("-mcet"):
17            vars[var] = sub("-mcet", "", vars[var])
18        if not clang_has_option("-fcf-protection"):
19            vars[var] = sub("-fcf-protection", "", vars[var])
20        if not clang_has_option("-fstack-clash-protection"):
21            vars[var] = sub("-fstack-clash-protection", "", vars[var])
22        if not clang_has_option("-fstack-protector-strong"):
23            vars[var] = sub("-fstack-protector-strong", "", vars[var])
24        if not clang_has_option("-fno-semantic-interposition"):
25            vars[var] = sub("-fno-semantic-interposition", "", vars[var])
26
27from distutils.core import setup, Extension
28
29from distutils.command.build_ext   import build_ext   as _build_ext
30from distutils.command.install_lib import install_lib as _install_lib
31
32class build_ext(_build_ext):
33    def finalize_options(self):
34        _build_ext.finalize_options(self)
35        self.build_lib  = build_lib
36        self.build_temp = build_tmp
37
38class install_lib(_install_lib):
39    def finalize_options(self):
40        _install_lib.finalize_options(self)
41        self.build_dir = build_lib
42
43
44cflags = getenv('CFLAGS', '').split()
45# switch off several checks (need to be at the end of cflags list)
46cflags += ['-fno-strict-aliasing', '-Wno-write-strings', '-Wno-unused-parameter', '-Wno-redundant-decls' ]
47if not cc_is_clang:
48    cflags += ['-Wno-cast-function-type' ]
49
50src_perf  = getenv('srctree') + '/tools/perf'
51build_lib = getenv('PYTHON_EXTBUILD_LIB')
52build_tmp = getenv('PYTHON_EXTBUILD_TMP')
53libtraceevent = getenv('LIBTRACEEVENT')
54libapikfs = getenv('LIBAPI')
55libperf = getenv('LIBPERF')
56
57ext_sources = [f.strip() for f in open('util/python-ext-sources')
58				if len(f.strip()) > 0 and f[0] != '#']
59
60# use full paths with source files
61ext_sources = list(map(lambda x: '%s/%s' % (src_perf, x) , ext_sources))
62
63extra_libraries = []
64if '-DHAVE_LIBNUMA_SUPPORT' in cflags:
65    extra_libraries = [ 'numa' ]
66if '-DHAVE_LIBCAP_SUPPORT' in cflags:
67    extra_libraries += [ 'cap' ]
68
69perf = Extension('perf',
70		  sources = ext_sources,
71		  include_dirs = ['util/include'],
72		  libraries = extra_libraries,
73		  extra_compile_args = cflags,
74		  extra_objects = [libtraceevent, libapikfs, libperf],
75                 )
76
77setup(name='perf',
78      version='0.1',
79      description='Interface with the Linux profiling infrastructure',
80      author='Arnaldo Carvalho de Melo',
81      author_email='acme@redhat.com',
82      license='GPLv2',
83      url='http://perf.wiki.kernel.org',
84      ext_modules=[perf],
85      cmdclass={'build_ext': build_ext, 'install_lib': install_lib})