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