93 lines · python
1from os import getenv, path2from subprocess import Popen, PIPE3from re import sub4 5cc = getenv("CC")6 7# Check if CC has options, as is the case in yocto, where it uses CC="cc --sysroot..."8cc_tokens = cc.split()9if len(cc_tokens) > 1:10 cc = cc_tokens[0]11 cc_options = " ".join([str(e) for e in cc_tokens[1:]]) + " "12else:13 cc_options = ""14 15cc_is_clang = b"clang version" in Popen([cc, "-v"], stderr=PIPE).stderr.readline()16src_feature_tests = getenv('srctree') + '/tools/build/feature'17 18def clang_has_option(option):19 cc_output = Popen([cc, cc_options + option, path.join(src_feature_tests, "test-hello.c") ], stderr=PIPE).stderr.readlines()20 return [o for o in cc_output if ((b"unknown argument" in o) or (b"is not supported" in o) or (b"unknown warning option" in o))] == [ ]21 22if cc_is_clang:23 from sysconfig import get_config_vars24 vars = get_config_vars()25 for var in ('CFLAGS', 'OPT'):26 vars[var] = sub("-specs=[^ ]+", "", vars[var])27 if not clang_has_option("-mcet"):28 vars[var] = sub("-mcet", "", vars[var])29 if not clang_has_option("-fcf-protection"):30 vars[var] = sub("-fcf-protection", "", vars[var])31 if not clang_has_option("-fstack-clash-protection"):32 vars[var] = sub("-fstack-clash-protection", "", vars[var])33 if not clang_has_option("-fstack-protector-strong"):34 vars[var] = sub("-fstack-protector-strong", "", vars[var])35 if not clang_has_option("-fno-semantic-interposition"):36 vars[var] = sub("-fno-semantic-interposition", "", vars[var])37 if not clang_has_option("-ffat-lto-objects"):38 vars[var] = sub("-ffat-lto-objects", "", vars[var])39 if not clang_has_option("-ftree-loop-distribute-patterns"):40 vars[var] = sub("-ftree-loop-distribute-patterns", "", vars[var])41 if not clang_has_option("-gno-variable-location-views"):42 vars[var] = sub("-gno-variable-location-views", "", vars[var])43 44from setuptools import setup, Extension45 46from setuptools.command.build_ext import build_ext as _build_ext47from setuptools.command.install_lib import install_lib as _install_lib48 49class build_ext(_build_ext):50 def finalize_options(self):51 _build_ext.finalize_options(self)52 self.build_lib = build_lib53 self.build_temp = build_tmp54 55class install_lib(_install_lib):56 def finalize_options(self):57 _install_lib.finalize_options(self)58 self.build_dir = build_lib59 60 61cflags = getenv('CFLAGS', '').split()62# switch off several checks (need to be at the end of cflags list)63cflags += ['-fno-strict-aliasing', '-Wno-write-strings', '-Wno-unused-parameter', '-Wno-redundant-decls' ]64if cc_is_clang:65 cflags += ["-Wno-unused-command-line-argument" ]66 if clang_has_option("-Wno-cast-function-type-mismatch"):67 cflags += ["-Wno-cast-function-type-mismatch" ]68else:69 cflags += ['-Wno-cast-function-type' ]70 71# The python headers have mixed code with declarations (decls after asserts, for instance)72cflags += [ "-Wno-declaration-after-statement" ]73 74src_perf = getenv('srctree') + '/tools/perf'75build_lib = getenv('PYTHON_EXTBUILD_LIB')76build_tmp = getenv('PYTHON_EXTBUILD_TMP')77 78perf = Extension('perf',79 sources = [ src_perf + '/util/python.c' ],80 include_dirs = ['util/include'],81 extra_compile_args = cflags,82 )83 84setup(name='perf',85 version='0.1',86 description='Interface with the Linux profiling infrastructure',87 author='Arnaldo Carvalho de Melo',88 author_email='acme@redhat.com',89 license='GPLv2',90 url='http://perf.wiki.kernel.org',91 ext_modules=[perf],92 cmdclass={'build_ext': build_ext, 'install_lib': install_lib})93