1 from os import getenv, path
2 from subprocess import Popen, PIPE
6 cc_is_clang = b"clang version" in Popen([cc.split()[0], "-v"], stderr=PIPE).stderr.readline()
7 src_feature_tests = getenv('srctree') + '/tools/build/feature'
9 def clang_has_option(option):
10 cc_output = Popen([cc, option, path.join(src_feature_tests, "test-hello.c") ], stderr=PIPE).stderr.readlines()
11 return [o for o in cc_output if ((b"unknown argument" in o) or (b"is not supported" in o))] == [ ]
14 from distutils.sysconfig import get_config_vars
15 vars = get_config_vars()
16 for var in ('CFLAGS', 'OPT'):
17 vars[var] = sub("-specs=[^ ]+", "", vars[var])
18 if not clang_has_option("-mcet"):
19 vars[var] = sub("-mcet", "", vars[var])
20 if not clang_has_option("-fcf-protection"):
21 vars[var] = sub("-fcf-protection", "", vars[var])
22 if not clang_has_option("-fstack-clash-protection"):
23 vars[var] = sub("-fstack-clash-protection", "", vars[var])
24 if not clang_has_option("-fstack-protector-strong"):
25 vars[var] = sub("-fstack-protector-strong", "", vars[var])
26 if not clang_has_option("-fno-semantic-interposition"):
27 vars[var] = sub("-fno-semantic-interposition", "", vars[var])
28 if not clang_has_option("-ffat-lto-objects"):
29 vars[var] = sub("-ffat-lto-objects", "", vars[var])
31 from distutils.core import setup, Extension
33 from distutils.command.build_ext import build_ext as _build_ext
34 from distutils.command.install_lib import install_lib as _install_lib
36 class build_ext(_build_ext):
37 def finalize_options(self):
38 _build_ext.finalize_options(self)
39 self.build_lib = build_lib
40 self.build_temp = build_tmp
42 class install_lib(_install_lib):
43 def finalize_options(self):
44 _install_lib.finalize_options(self)
45 self.build_dir = build_lib
48 cflags = getenv('CFLAGS', '').split()
49 # switch off several checks (need to be at the end of cflags list)
50 cflags += ['-fno-strict-aliasing', '-Wno-write-strings', '-Wno-unused-parameter', '-Wno-redundant-decls' ]
52 cflags += ['-Wno-cast-function-type' ]
54 src_perf = getenv('srctree') + '/tools/perf'
55 build_lib = getenv('PYTHON_EXTBUILD_LIB')
56 build_tmp = getenv('PYTHON_EXTBUILD_TMP')
57 libtraceevent = getenv('LIBTRACEEVENT')
58 libapikfs = getenv('LIBAPI')
59 libperf = getenv('LIBPERF')
61 ext_sources = [f.strip() for f in open('util/python-ext-sources')
62 if len(f.strip()) > 0 and f[0] != '#']
64 # use full paths with source files
65 ext_sources = list(map(lambda x: '%s/%s' % (src_perf, x) , ext_sources))
68 if '-DHAVE_LIBNUMA_SUPPORT' in cflags:
69 extra_libraries = [ 'numa' ]
70 if '-DHAVE_LIBCAP_SUPPORT' in cflags:
71 extra_libraries += [ 'cap' ]
73 perf = Extension('perf',
74 sources = ext_sources,
75 include_dirs = ['util/include'],
76 libraries = extra_libraries,
77 extra_compile_args = cflags,
78 extra_objects = [libtraceevent, libapikfs, libperf],
83 description='Interface with the Linux profiling infrastructure',
84 author='Arnaldo Carvalho de Melo',
85 author_email='acme@redhat.com',
87 url='http://perf.wiki.kernel.org',
89 cmdclass={'build_ext': build_ext, 'install_lib': install_lib})