tools/perf/util/setup.py

   1 from os import getenv, path
   2 from subprocess import Popen, PIPE
   3 from re import sub
   4
   5 cc = getenv("CC")
   6
   7 # Check if CC has options, as is the case in yocto, where it uses CC="cc --sysroot..."
   8 cc_tokens = cc.split()
   9 if len(cc_tokens) > 1:
  10     cc = cc_tokens[0]
  11     cc_options = " ".join([str(e) for e in cc_tokens[1:]]) + " "
  12 else:
  13     cc_options = ""
  14
  15 cc_is_clang = b"clang version" in Popen([cc, "-v"], stderr=PIPE).stderr.readline()
  16 src_feature_tests  = getenv('srctree') + '/tools/build/feature'
  17
  18 def 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
  22 if cc_is_clang:
  23     from sysconfig import get_config_vars
  24     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
  44 from setuptools import setup, Extension
  45
  46 from setuptools.command.build_ext   import build_ext   as _build_ext
  47 from setuptools.command.install_lib import install_lib as _install_lib
  48
  49 class build_ext(_build_ext):
  50     def finalize_options(self):
  51         _build_ext.finalize_options(self)
  52         self.build_lib  = build_lib
  53         self.build_temp = build_tmp
  54
  55 class install_lib(_install_lib):
  56     def finalize_options(self):
  57         _install_lib.finalize_options(self)
  58         self.build_dir = build_lib
  59
  60
  61 cflags = getenv('CFLAGS', '').split()
  62 # switch off several checks (need to be at the end of cflags list)
  63 cflags += ['-fno-strict-aliasing', '-Wno-write-strings', '-Wno-unused-parameter', '-Wno-redundant-decls' ]
  64 if 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" ]
  68 else:
  69     cflags += ['-Wno-cast-function-type' ]
  70
  71 # The python headers have mixed code with declarations (decls after asserts, for instance)
  72 cflags += [ "-Wno-declaration-after-statement" ]
  73
  74 src_perf  = getenv('srctree') + '/tools/perf'
  75 build_lib = getenv('PYTHON_EXTBUILD_LIB')
  76 build_tmp = getenv('PYTHON_EXTBUILD_TMP')
  77
  78 perf = Extension('perf',
  79                  sources = [ src_perf + '/util/python.c' ],
  80                          include_dirs = ['util/include'],
  81                          extra_compile_args = cflags,
  82                  )
  83
  84 setup(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})