from os import getenv, path from subprocess import Popen, PIPE from re import sub cc = getenv("CC") # 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 = "" cc_is_clang = b"clang version" in Popen([cc, "-v"], stderr=PIPE).stderr.readline() src_feature_tests = getenv('srctree') + '/tools/build/feature' def clang_has_option(option): cc_output = Popen([cc, cc_options + 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]) 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_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' ] if cc_is_clang: cflags += ["-Wno-unused-command-line-argument" ] else: cflags += ['-Wno-cast-function-type' ] # The python headers have mixed code with declarations (decls after asserts, for instance) cflags += [ "-Wno-declaration-after-statement" ] src_perf = getenv('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 = 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})