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from os import getenv, path
from subprocess import Popen, PIPE
from re import sub
cc = getenv("CC")
cc_is_clang = b"clang version" in Popen([cc.split()[0], "-v"], stderr=PIPE).stderr.readline()
src_feature_tests = getenv('srctree') + '/tools/build/feature'
def clang_has_option(option):
cc_output = Popen([cc, option, path.join(src_feature_tests, "test-hello.c") ], stderr=PIPE).stderr.readlines()
return [o for o in cc_output if ((b"unknown argument" in o) or (b"is not supported" in o))] == [ ]
if cc_is_clang:
from sysconfig import get_config_vars
vars = get_config_vars()
for var in ('CFLAGS', 'OPT'):
vars[var] = sub("-specs=[^ ]+", "", vars[var])
if not clang_has_option("-mcet"):
vars[var] = sub("-mcet", "", vars[var])
if not clang_has_option("-fcf-protection"):
vars[var] = sub("-fcf-protection", "", vars[var])
if not clang_has_option("-fstack-clash-protection"):
vars[var] = sub("-fstack-clash-protection", "", vars[var])
if not clang_has_option("-fstack-protector-strong"):
vars[var] = sub("-fstack-protector-strong", "", vars[var])
if not clang_has_option("-fno-semantic-interposition"):
vars[var] = sub("-fno-semantic-interposition", "", vars[var])
if not clang_has_option("-ffat-lto-objects"):
vars[var] = sub("-ffat-lto-objects", "", vars[var])
from setuptools import setup, Extension
from setuptools.command.build_ext import build_ext as _build_ext
from setuptools.command.install_lib import install_lib as _install_lib
class build_ext(_build_ext):
def finalize_options(self):
_build_ext.finalize_options(self)
self.build_lib = build_lib
self.build_temp = build_tmp
class install_lib(_install_lib):
def finalize_options(self):
_install_lib.finalize_options(self)
self.build_dir = build_lib
cflags = getenv('CFLAGS', '').split()
# switch off several checks (need to be at the end of cflags list)
cflags += ['-fno-strict-aliasing', '-Wno-write-strings', '-Wno-unused-parameter', '-Wno-redundant-decls', '-DPYTHON_PERF' ]
if cc_is_clang:
cflags += ["-Wno-unused-command-line-argument" ]
else:
cflags += ['-Wno-cast-function-type' ]
src_perf = getenv('srctree') + '/tools/perf'
build_lib = getenv('PYTHON_EXTBUILD_LIB')
build_tmp = getenv('PYTHON_EXTBUILD_TMP')
libtraceevent = getenv('LIBTRACEEVENT')
libapikfs = getenv('LIBAPI')
libperf = getenv('LIBPERF')
ext_sources = [f.strip() for f in open('util/python-ext-sources')
if len(f.strip()) > 0 and f[0] != '#']
extra_libraries = []
if '-DHAVE_LIBTRACEEVENT' in cflags:
extra_libraries += [ 'traceevent' ]
else:
ext_sources.remove('util/trace-event.c')
# use full paths with source files
ext_sources = list(map(lambda x: '%s/%s' % (src_perf, x) , ext_sources))
if '-DHAVE_LIBNUMA_SUPPORT' in cflags:
extra_libraries += [ 'numa' ]
if '-DHAVE_LIBCAP_SUPPORT' in cflags:
extra_libraries += [ 'cap' ]
perf = Extension('perf',
sources = ext_sources,
include_dirs = ['util/include'],
libraries = extra_libraries,
extra_compile_args = cflags,
extra_objects = [ x for x in [libtraceevent, libapikfs, libperf]
if x is not None],
)
setup(name='perf',
version='0.1',
description='Interface with the Linux profiling infrastructure',
author='Arnaldo Carvalho de Melo',
author_email='acme@redhat.com',
license='GPLv2',
url='http://perf.wiki.kernel.org',
ext_modules=[perf],
cmdclass={'build_ext': build_ext, 'install_lib': install_lib})
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