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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108from os import getenv, pathfrom subprocess import Popen, PIPEfrom re import subimport shlex
cc = getenv("CC")assert cc, "Environment variable CC not set"
# Check if CC has options, as is the case in yocto, where it uses CC="cc --sysroot..."cc_tokens = cc.split()if len(cc_tokens) > 1: cc = cc_tokens[0] cc_options = " ".join([str(e) for e in cc_tokens[1:]]) + " "else: cc_options = ""
# ignore optional stderr could be None as it is set to PIPE to avoid that.# mypy: disable-error-code="union-attr"cc_is_clang = b"clang version" in Popen([cc, "-v"], stderr=PIPE).stderr.readline()
srctree = getenv('srctree')assert srctree, "Environment variable srctree, for the Linux sources, not set"src_feature_tests = f'{srctree}/tools/build/feature'
def clang_has_option(option): error_substrings = ( b"unknown argument", b"is not supported", b"unknown warning option" ) cmd = shlex.split(f"{cc} {cc_options} {option}") + [ "-o", "/dev/null", path.join(src_feature_tests, "test-hello.c") ] cc_output = Popen(cmd, stderr=PIPE).stderr.readlines() return not any(any(error in line for error in error_substrings) for line in cc_output)
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]) if not clang_has_option("-ftree-loop-distribute-patterns"): vars[var] = sub("-ftree-loop-distribute-patterns", "", vars[var]) if not clang_has_option("-gno-variable-location-views"): vars[var] = sub("-gno-variable-location-views", "", vars[var])
from setuptools import setup, Extension
from setuptools.command.build_ext import build_ext as _build_extfrom 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
# switch off several checks (need to be at the end of cflags list)extra_cflags = ['-fno-strict-aliasing', '-Wno-write-strings', '-Wno-unused-parameter', '-Wno-redundant-decls' ]if cc_is_clang: extra_cflags += ["-Wno-unused-command-line-argument" ] if clang_has_option("-Wno-cast-function-type-mismatch"): extra_cflags += ["-Wno-cast-function-type-mismatch" ]else: extra_cflags += ['-Wno-cast-function-type' ]
# The python headers have mixed code with declarations (decls after asserts, for instance)extra_cflags += [ "-Wno-declaration-after-statement" ]
src_perf = f'{srctree}/tools/perf'build_lib = getenv('PYTHON_EXTBUILD_LIB')build_tmp = getenv('PYTHON_EXTBUILD_TMP')
perf = Extension('perf', sources = [ src_perf + '/util/python.c' ], include_dirs = ['util/include'], extra_compile_args = extra_cflags, )
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})