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5508672d7f
These options are not present in older clang versions, so when we build for a distro that has a gcc new enough to have these options and that the distro python build config settings use them but clang doesn't support, b00m. This is the case with fedora 28 and rawhide, so check if clang has the options and remove the missing ones from CFLAGS. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: https://lkml.kernel.org/n/tip-7asds7yn6gzg6ns1lw17ukul@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
70 lines
2.3 KiB
Python
70 lines
2.3 KiB
Python
#!/usr/bin/python
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from os import getenv
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from subprocess import Popen, PIPE
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from re import sub
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def clang_has_option(option):
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return [o for o in Popen(['clang', option], stderr=PIPE).stderr.readlines() if "unknown argument" in o] == [ ]
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cc = getenv("CC")
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if cc == "clang":
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from _sysconfigdata import build_time_vars
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build_time_vars["CFLAGS"] = sub("-specs=[^ ]+", "", build_time_vars["CFLAGS"])
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if not clang_has_option("-mcet"):
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build_time_vars["CFLAGS"] = sub("-mcet", "", build_time_vars["CFLAGS"])
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if not clang_has_option("-fcf-protection"):
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build_time_vars["CFLAGS"] = sub("-fcf-protection", "", build_time_vars["CFLAGS"])
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from distutils.core import setup, Extension
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from distutils.command.build_ext import build_ext as _build_ext
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from distutils.command.install_lib import install_lib as _install_lib
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class build_ext(_build_ext):
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def finalize_options(self):
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_build_ext.finalize_options(self)
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self.build_lib = build_lib
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self.build_temp = build_tmp
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class install_lib(_install_lib):
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def finalize_options(self):
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_install_lib.finalize_options(self)
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self.build_dir = build_lib
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cflags = getenv('CFLAGS', '').split()
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# switch off several checks (need to be at the end of cflags list)
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cflags += ['-fno-strict-aliasing', '-Wno-write-strings', '-Wno-unused-parameter' ]
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if cc != "clang":
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cflags += ['-Wno-cast-function-type' ]
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src_perf = getenv('srctree') + '/tools/perf'
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build_lib = getenv('PYTHON_EXTBUILD_LIB')
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build_tmp = getenv('PYTHON_EXTBUILD_TMP')
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libtraceevent = getenv('LIBTRACEEVENT')
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libapikfs = getenv('LIBAPI')
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ext_sources = [f.strip() for f in open('util/python-ext-sources')
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if len(f.strip()) > 0 and f[0] != '#']
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# use full paths with source files
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ext_sources = list(map(lambda x: '%s/%s' % (src_perf, x) , ext_sources))
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perf = Extension('perf',
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sources = ext_sources,
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include_dirs = ['util/include'],
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extra_compile_args = cflags,
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extra_objects = [libtraceevent, libapikfs],
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)
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setup(name='perf',
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version='0.1',
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description='Interface with the Linux profiling infrastructure',
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author='Arnaldo Carvalho de Melo',
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author_email='acme@redhat.com',
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license='GPLv2',
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url='http://perf.wiki.kernel.org',
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ext_modules=[perf],
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cmdclass={'build_ext': build_ext, 'install_lib': install_lib})
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