v4.19.13 snapshot.
diff --git a/tools/perf/util/setup.py b/tools/perf/util/setup.py
new file mode 100644
index 0000000..1942f6d
--- /dev/null
+++ b/tools/perf/util/setup.py
@@ -0,0 +1,69 @@
+#!/usr/bin/python
+
+from os import getenv
+from subprocess import Popen, PIPE
+from re import sub
+
+def clang_has_option(option):
+ return [o for o in Popen(['clang', option], stderr=PIPE).stderr.readlines() if "unknown argument" in o] == [ ]
+
+cc = getenv("CC")
+if cc == "clang":
+ from _sysconfigdata import build_time_vars
+ build_time_vars["CFLAGS"] = sub("-specs=[^ ]+", "", build_time_vars["CFLAGS"])
+ if not clang_has_option("-mcet"):
+ build_time_vars["CFLAGS"] = sub("-mcet", "", build_time_vars["CFLAGS"])
+ if not clang_has_option("-fcf-protection"):
+ build_time_vars["CFLAGS"] = sub("-fcf-protection", "", build_time_vars["CFLAGS"])
+
+from distutils.core import setup, Extension
+
+from distutils.command.build_ext import build_ext as _build_ext
+from distutils.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 != "clang":
+ cflags += ['-Wno-cast-function-type' ]
+
+src_perf = getenv('srctree') + '/tools/perf'
+build_lib = getenv('PYTHON_EXTBUILD_LIB')
+build_tmp = getenv('PYTHON_EXTBUILD_TMP')
+libtraceevent = getenv('LIBTRACEEVENT')
+libapikfs = getenv('LIBAPI')
+
+ext_sources = [f.strip() for f in open('util/python-ext-sources')
+ if len(f.strip()) > 0 and f[0] != '#']
+
+# use full paths with source files
+ext_sources = list(map(lambda x: '%s/%s' % (src_perf, x) , ext_sources))
+
+perf = Extension('perf',
+ sources = ext_sources,
+ include_dirs = ['util/include'],
+ extra_compile_args = cflags,
+ extra_objects = [libtraceevent, libapikfs],
+ )
+
+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})