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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 distutils.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 distutils.core import setup, Extension
- from distutils.command.build_ext import build_ext as _build_ext
- from distutils.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' ]
- if not cc_is_clang:
- 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] != '#']
- # use full paths with source files
- ext_sources = list(map(lambda x: '%s/%s' % (src_perf, x) , ext_sources))
- extra_libraries = []
- 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 = [libtraceevent, libapikfs, libperf],
- )
- 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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