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) or (b"unknown warning option" 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 if clang_has_option("-Wno-cast-function-type-mismatch"):
67 cflags += ["-Wno-cast-function-type-mismatch" ]
68 else:
69 cflags += ['-Wno-cast-function-type' ]
70
71 # The python headers have mixed code with declarations (decls after asserts, for instance)
72 cflags += [ "-Wno-declaration-after-statement" ]
73
74 src_perf = getenv('srctree') + '/tools/perf'
75 build_lib = getenv('PYTHON_EXTBUILD_LIB')
76 build_tmp = getenv('PYTHON_EXTBUILD_TMP')
77
78 perf = Extension('perf',
79 sources = [ src_perf + '/util/python.c' ],
80 include_dirs = ['util/include'],
81 extra_compile_args = cflags,
82 )
83
84 setup(name='perf',
85 version='0.1',
86 description='Interface with the Linux profiling infrastructure',
87 author='Arnaldo Carvalho de Melo',
88 author_email='acme@redhat.com',
89 license='GPLv2',
90 url='http://perf.wiki.kernel.org',
91 ext_modules=[perf],
92 cmdclass={'build_ext': build_ext, 'install_lib': install_lib})
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.