xref: /openbmc/linux/tools/perf/util/setup.py (revision d23015c1)
1from os import getenv
2from subprocess import Popen, PIPE
3from re import sub
4
5def clang_has_option(option):
6    return [o for o in Popen(['clang', option], stderr=PIPE).stderr.readlines() if b"unknown argument" in o] == [ ]
7
8cc = getenv("CC")
9if cc == "clang":
10    from distutils.sysconfig import get_config_vars
11    vars = get_config_vars()
12    for var in ('CFLAGS', 'OPT'):
13        vars[var] = sub("-specs=[^ ]+", "", vars[var])
14        if not clang_has_option("-mcet"):
15            vars[var] = sub("-mcet", "", vars[var])
16        if not clang_has_option("-fcf-protection"):
17            vars[var] = sub("-fcf-protection", "", vars[var])
18        if not clang_has_option("-fstack-clash-protection"):
19            vars[var] = sub("-fstack-clash-protection", "", vars[var])
20        if not clang_has_option("-fstack-protector-strong"):
21            vars[var] = sub("-fstack-protector-strong", "", vars[var])
22
23from distutils.core import setup, Extension
24
25from distutils.command.build_ext   import build_ext   as _build_ext
26from distutils.command.install_lib import install_lib as _install_lib
27
28class build_ext(_build_ext):
29    def finalize_options(self):
30        _build_ext.finalize_options(self)
31        self.build_lib  = build_lib
32        self.build_temp = build_tmp
33
34class install_lib(_install_lib):
35    def finalize_options(self):
36        _install_lib.finalize_options(self)
37        self.build_dir = build_lib
38
39
40cflags = getenv('CFLAGS', '').split()
41# switch off several checks (need to be at the end of cflags list)
42cflags += ['-fno-strict-aliasing', '-Wno-write-strings', '-Wno-unused-parameter', '-Wno-redundant-decls' ]
43if cc != "clang":
44    cflags += ['-Wno-cast-function-type' ]
45
46src_perf  = getenv('srctree') + '/tools/perf'
47build_lib = getenv('PYTHON_EXTBUILD_LIB')
48build_tmp = getenv('PYTHON_EXTBUILD_TMP')
49libtraceevent = getenv('LIBTRACEEVENT')
50libapikfs = getenv('LIBAPI')
51libperf = getenv('LIBPERF')
52
53ext_sources = [f.strip() for f in open('util/python-ext-sources')
54				if len(f.strip()) > 0 and f[0] != '#']
55
56# use full paths with source files
57ext_sources = list(map(lambda x: '%s/%s' % (src_perf, x) , ext_sources))
58
59extra_libraries = []
60if '-DHAVE_LIBNUMA_SUPPORT' in cflags:
61    extra_libraries = [ 'numa' ]
62if '-DHAVE_LIBCAP_SUPPORT' in cflags:
63    extra_libraries += [ 'cap' ]
64
65perf = Extension('perf',
66		  sources = ext_sources,
67		  include_dirs = ['util/include'],
68		  libraries = extra_libraries,
69		  extra_compile_args = cflags,
70		  extra_objects = [libtraceevent, libapikfs, libperf],
71                 )
72
73setup(name='perf',
74      version='0.1',
75      description='Interface with the Linux profiling infrastructure',
76      author='Arnaldo Carvalho de Melo',
77      author_email='acme@redhat.com',
78      license='GPLv2',
79      url='http://perf.wiki.kernel.org',
80      ext_modules=[perf],
81      cmdclass={'build_ext': build_ext, 'install_lib': install_lib})
82