Linux-libre 5.4.49-gnu
[librecmc/linux-libre.git] / tools / perf / util / setup.py
1 from os import getenv
2 from subprocess import Popen, PIPE
3 from re import sub
4
5 def clang_has_option(option):
6     return [o for o in Popen(['clang', option], stderr=PIPE).stderr.readlines() if b"unknown argument" in o] == [ ]
7
8 cc = getenv("CC")
9 if 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
23 from distutils.core import setup, Extension
24
25 from distutils.command.build_ext   import build_ext   as _build_ext
26 from distutils.command.install_lib import install_lib as _install_lib
27
28 class 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
34 class install_lib(_install_lib):
35     def finalize_options(self):
36         _install_lib.finalize_options(self)
37         self.build_dir = build_lib
38
39
40 cflags = getenv('CFLAGS', '').split()
41 # switch off several checks (need to be at the end of cflags list)
42 cflags += ['-fno-strict-aliasing', '-Wno-write-strings', '-Wno-unused-parameter', '-Wno-redundant-decls' ]
43 if cc != "clang":
44     cflags += ['-Wno-cast-function-type' ]
45
46 src_perf  = getenv('srctree') + '/tools/perf'
47 build_lib = getenv('PYTHON_EXTBUILD_LIB')
48 build_tmp = getenv('PYTHON_EXTBUILD_TMP')
49 libtraceevent = getenv('LIBTRACEEVENT')
50 libapikfs = getenv('LIBAPI')
51 libperf = getenv('LIBPERF')
52
53 ext_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
57 ext_sources = list(map(lambda x: '%s/%s' % (src_perf, x) , ext_sources))
58
59 extra_libraries = []
60 if '-DHAVE_LIBNUMA_SUPPORT' in cflags:
61     extra_libraries = [ 'numa' ]
62 if '-DHAVE_LIBCAP_SUPPORT' in cflags:
63     extra_libraries += [ 'cap' ]
64
65 perf = 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
73 setup(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})