add ax88772_rst

hc

2024-05-10 9999e48639b3cecb08ffb37358bcba3b48161b29

 kernel/tools/perf/util/setup.py
..
..
@@ -1,20 +1,32 @@
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-#!/usr/bin/python
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-
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-from os import getenv
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+from os import getenv, path
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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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-
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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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+cc_is_clang = b"clang version" in Popen([cc.split()[0], "-v"], stderr=PIPE).stderr.readline()
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+src_feature_tests  = getenv('srctree') + '/tools/build/feature'
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+
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+def clang_has_option(option):
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+    cc_output = Popen([cc, option, path.join(src_feature_tests, "test-hello.c") ], stderr=PIPE).stderr.readlines()
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+    return [o for o in cc_output if ((b"unknown argument" in o) or (b"is not supported" in o))] == [ ]
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+
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+if cc_is_clang:
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+    from distutils.sysconfig import get_config_vars
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+    vars = get_config_vars()
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+    for var in ('CFLAGS', 'OPT'):
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+        vars[var] = sub("-specs=[^ ]+", "", vars[var])
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+        if not clang_has_option("-mcet"):
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+            vars[var] = sub("-mcet", "", vars[var])
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+        if not clang_has_option("-fcf-protection"):
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+            vars[var] = sub("-fcf-protection", "", vars[var])
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+        if not clang_has_option("-fstack-clash-protection"):
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+            vars[var] = sub("-fstack-clash-protection", "", vars[var])
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+        if not clang_has_option("-fstack-protector-strong"):
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+            vars[var] = sub("-fstack-protector-strong", "", vars[var])
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+        if not clang_has_option("-fno-semantic-interposition"):
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+            vars[var] = sub("-fno-semantic-interposition", "", vars[var])
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+        if not clang_has_option("-ffat-lto-objects"):
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+            vars[var] = sub("-ffat-lto-objects", "", vars[var])
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 from distutils.core import setup, Extension
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32
 
..
..
@@ -36,7 +48,7 @@
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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', '-Wno-redundant-decls' ]
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-if cc != "clang":
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+if not cc_is_clang:
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     cflags += ['-Wno-cast-function-type' ]
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 src_perf  = getenv('srctree') + '/tools/perf'
..
..
@@ -44,6 +56,7 @@
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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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+libperf = getenv('LIBPERF')
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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] != '#']
..
..
@@ -51,11 +64,18 @@
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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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+extra_libraries = []
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+if '-DHAVE_LIBNUMA_SUPPORT' in cflags:
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+    extra_libraries = [ 'numa' ]
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+if '-DHAVE_LIBCAP_SUPPORT' in cflags:
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+    extra_libraries += [ 'cap' ]
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+
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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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+		  libraries = extra_libraries,
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 		  extra_compile_args = cflags,
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-		  extra_objects = [libtraceevent, libapikfs],
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+		  extra_objects = [libtraceevent, libapikfs, libperf],
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                  )
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 setup(name='perf',