]> Git Repo - J-linux.git/blob - tools/perf/util/setup.py
Merge tag 'apparmor-pr-2024-07-25' of git://git.kernel.org/pub/scm/linux/kernel/git...
[J-linux.git] / tools / perf / util / setup.py
1 from os import getenv, path
2 from subprocess import Popen, PIPE
3 from re import sub
4
5 cc = getenv("CC")
6
7 # Check if CC has options, as is the case in yocto, where it uses CC="cc --sysroot..."
8 cc_tokens = cc.split()
9 if len(cc_tokens) > 1:
10     cc = cc_tokens[0]
11     cc_options = " ".join([str(e) for e in cc_tokens[1:]]) + " "
12 else:
13     cc_options = ""
14
15 cc_is_clang = b"clang version" in Popen([cc, "-v"], stderr=PIPE).stderr.readline()
16 src_feature_tests  = getenv('srctree') + '/tools/build/feature'
17
18 def clang_has_option(option):
19     cc_output = Popen([cc, cc_options + option, path.join(src_feature_tests, "test-hello.c") ], stderr=PIPE).stderr.readlines()
20     return [o for o in cc_output if ((b"unknown argument" in o) or (b"is not supported" in o))] == [ ]
21
22 if cc_is_clang:
23     from sysconfig import get_config_vars
24     vars = get_config_vars()
25     for var in ('CFLAGS', 'OPT'):
26         vars[var] = sub("-specs=[^ ]+", "", vars[var])
27         if not clang_has_option("-mcet"):
28             vars[var] = sub("-mcet", "", vars[var])
29         if not clang_has_option("-fcf-protection"):
30             vars[var] = sub("-fcf-protection", "", vars[var])
31         if not clang_has_option("-fstack-clash-protection"):
32             vars[var] = sub("-fstack-clash-protection", "", vars[var])
33         if not clang_has_option("-fstack-protector-strong"):
34             vars[var] = sub("-fstack-protector-strong", "", vars[var])
35         if not clang_has_option("-fno-semantic-interposition"):
36             vars[var] = sub("-fno-semantic-interposition", "", vars[var])
37         if not clang_has_option("-ffat-lto-objects"):
38             vars[var] = sub("-ffat-lto-objects", "", vars[var])
39         if not clang_has_option("-ftree-loop-distribute-patterns"):
40             vars[var] = sub("-ftree-loop-distribute-patterns", "", vars[var])
41         if not clang_has_option("-gno-variable-location-views"):
42             vars[var] = sub("-gno-variable-location-views", "", vars[var])
43
44 from setuptools import setup, Extension
45
46 from setuptools.command.build_ext   import build_ext   as _build_ext
47 from setuptools.command.install_lib import install_lib as _install_lib
48
49 class build_ext(_build_ext):
50     def finalize_options(self):
51         _build_ext.finalize_options(self)
52         self.build_lib  = build_lib
53         self.build_temp = build_tmp
54
55 class install_lib(_install_lib):
56     def finalize_options(self):
57         _install_lib.finalize_options(self)
58         self.build_dir = build_lib
59
60
61 cflags = getenv('CFLAGS', '').split()
62 # switch off several checks (need to be at the end of cflags list)
63 cflags += ['-fno-strict-aliasing', '-Wno-write-strings', '-Wno-unused-parameter', '-Wno-redundant-decls' ]
64 if cc_is_clang:
65     cflags += ["-Wno-unused-command-line-argument" ]
66 else:
67     cflags += ['-Wno-cast-function-type' ]
68
69 # The python headers have mixed code with declarations (decls after asserts, for instance)
70 cflags += [ "-Wno-declaration-after-statement" ]
71
72 src_perf  = getenv('srctree') + '/tools/perf'
73 build_lib = getenv('PYTHON_EXTBUILD_LIB')
74 build_tmp = getenv('PYTHON_EXTBUILD_TMP')
75
76 perf = Extension('perf',
77                  sources = [ src_perf + '/util/python.c' ],
78                          include_dirs = ['util/include'],
79                          extra_compile_args = cflags,
80                  )
81
82 setup(name='perf',
83       version='0.1',
84       description='Interface with the Linux profiling infrastructure',
85       author='Arnaldo Carvalho de Melo',
86       author_email='[email protected]',
87       license='GPLv2',
88       url='http://perf.wiki.kernel.org',
89       ext_modules=[perf],
90       cmdclass={'build_ext': build_ext, 'install_lib': install_lib})
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