diff options
Diffstat (limited to 'tools/perf/util/setup.py')
| -rw-r--r-- | tools/perf/util/setup.py | 90 |
1 files changed, 75 insertions, 15 deletions
diff --git a/tools/perf/util/setup.py b/tools/perf/util/setup.py index 58ea5ca6c255..b65b1792ca05 100644 --- a/tools/perf/util/setup.py +++ b/tools/perf/util/setup.py @@ -1,10 +1,66 @@ -#!/usr/bin/python2 +from os import getenv, path +from subprocess import Popen, PIPE +from re import sub +import shlex -from distutils.core import setup, Extension -from os import getenv +cc = getenv("CC") +assert cc, "Environment variable CC not set" -from distutils.command.build_ext import build_ext as _build_ext -from distutils.command.install_lib import install_lib as _install_lib +# 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_ext +from setuptools.command.install_lib import install_lib as _install_lib class build_ext(_build_ext): def finalize_options(self): @@ -20,21 +76,25 @@ class install_lib(_install_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' ] +cflags += ['-fno-strict-aliasing', '-Wno-write-strings', '-Wno-unused-parameter', '-Wno-redundant-decls' ] +if cc_is_clang: + cflags += ["-Wno-unused-command-line-argument" ] + if clang_has_option("-Wno-cast-function-type-mismatch"): + cflags += ["-Wno-cast-function-type-mismatch" ] +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 = f'{srctree}/tools/perf' build_lib = getenv('PYTHON_EXTBUILD_LIB') build_tmp = getenv('PYTHON_EXTBUILD_TMP') -libtraceevent = getenv('LIBTRACEEVENT') -liblk = getenv('LIBLK') - -ext_sources = [f.strip() for f in file('util/python-ext-sources') - if len(f.strip()) > 0 and f[0] != '#'] perf = Extension('perf', - sources = ext_sources, - include_dirs = ['util/include'], - extra_compile_args = cflags, - extra_objects = [libtraceevent, liblk], + sources = [ src_perf + '/util/python.c' ], + include_dirs = ['util/include'], + extra_compile_args = cflags, ) setup(name='perf', |