xref: /openbmc/linux/tools/perf/util/setup.py (revision 76426e23)
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
25from distutils.core import setup, Extension
26
27from distutils.command.build_ext   import build_ext   as _build_ext
28from distutils.command.install_lib import install_lib as _install_lib
29
30class build_ext(_build_ext):
31    def finalize_options(self):
32        _build_ext.finalize_options(self)
33        self.build_lib  = build_lib
34        self.build_temp = build_tmp
35
36class install_lib(_install_lib):
37    def finalize_options(self):
38        _install_lib.finalize_options(self)
39        self.build_dir = build_lib
40
41
42cflags = getenv('CFLAGS', '').split()
43# switch off several checks (need to be at the end of cflags list)
44cflags += ['-fno-strict-aliasing', '-Wno-write-strings', '-Wno-unused-parameter', '-Wno-redundant-decls' ]
45if not cc_is_clang:
46    cflags += ['-Wno-cast-function-type' ]
47
48src_perf  = getenv('srctree') + '/tools/perf'
49build_lib = getenv('PYTHON_EXTBUILD_LIB')
50build_tmp = getenv('PYTHON_EXTBUILD_TMP')
51libtraceevent = getenv('LIBTRACEEVENT')
52libapikfs = getenv('LIBAPI')
53libperf = getenv('LIBPERF')
54
55ext_sources = [f.strip() for f in open('util/python-ext-sources')
56				if len(f.strip()) > 0 and f[0] != '#']
57
58# use full paths with source files
59ext_sources = list(map(lambda x: '%s/%s' % (src_perf, x) , ext_sources))
60
61extra_libraries = []
62if '-DHAVE_LIBNUMA_SUPPORT' in cflags:
63    extra_libraries = [ 'numa' ]
64if '-DHAVE_LIBCAP_SUPPORT' in cflags:
65    extra_libraries += [ 'cap' ]
66
67perf = Extension('perf',
68		  sources = ext_sources,
69		  include_dirs = ['util/include'],
70		  libraries = extra_libraries,
71		  extra_compile_args = cflags,
72		  extra_objects = [libtraceevent, libapikfs, libperf],
73                 )
74
75setup(name='perf',
76      version='0.1',
77      description='Interface with the Linux profiling infrastructure',
78      author='Arnaldo Carvalho de Melo',
79      author_email='acme@redhat.com',
80      license='GPLv2',
81      url='http://perf.wiki.kernel.org',
82      ext_modules=[perf],
83      cmdclass={'build_ext': build_ext, 'install_lib': install_lib})
84