tools/perf/util/setup.py

   1 from os import getenv
   2 from subprocess import Popen, PIPE
   3 from re import sub
   4
   5 cc = getenv("CC")
   6 cc_is_clang = b"clang version" in Popen([cc.split()[0], "-v"], stderr=PIPE).stderr.readline()
   7
   8 def clang_has_option(option):
   9     return [o for o in Popen([cc, option], stderr=PIPE).stderr.readlines() if b"unknown argument" in o] == [ ]
  10
  11 if cc_is_clang:
  12     from distutils.sysconfig import get_config_vars
  13     vars = get_config_vars()
  14     for var in ('CFLAGS', 'OPT'):
  15         vars[var] = sub("-specs=[^ ]+", "", vars[var])
  16         if not clang_has_option("-mcet"):
  17             vars[var] = sub("-mcet", "", vars[var])
  18         if not clang_has_option("-fcf-protection"):
  19             vars[var] = sub("-fcf-protection", "", vars[var])
  20         if not clang_has_option("-fstack-clash-protection"):
  21             vars[var] = sub("-fstack-clash-protection", "", vars[var])
  22         if not clang_has_option("-fstack-protector-strong"):
  23             vars[var] = sub("-fstack-protector-strong", "", vars[var])
  24         if not clang_has_option("-fno-semantic-interposition"):
  25             vars[var] = sub("-fno-semantic-interposition", "", vars[var])
  26
  27 from distutils.core import setup, Extension
  28
  29 from distutils.command.build_ext   import build_ext   as _build_ext
  30 from distutils.command.install_lib import install_lib as _install_lib
  31
  32 class build_ext(_build_ext):
  33     def finalize_options(self):
  34         _build_ext.finalize_options(self)
  35         self.build_lib  = build_lib
  36         self.build_temp = build_tmp
  37
  38 class install_lib(_install_lib):
  39     def finalize_options(self):
  40         _install_lib.finalize_options(self)
  41         self.build_dir = build_lib
  42
  43
  44 cflags = getenv('CFLAGS', '').split()
  45 # switch off several checks (need to be at the end of cflags list)
  46 cflags += ['-fno-strict-aliasing', '-Wno-write-strings', '-Wno-unused-parameter', '-Wno-redundant-decls' ]
  47 if not cc_is_clang:
  48     cflags += ['-Wno-cast-function-type' ]
  49
  50 src_perf  = getenv('srctree') + '/tools/perf'
  51 build_lib = getenv('PYTHON_EXTBUILD_LIB')
  52 build_tmp = getenv('PYTHON_EXTBUILD_TMP')
  53 libtraceevent = getenv('LIBTRACEEVENT')
  54 libapikfs = getenv('LIBAPI')
  55 libperf = getenv('LIBPERF')
  56
  57 ext_sources = [f.strip() for f in open('util/python-ext-sources')
  58                                 if len(f.strip()) > 0 and f[0] != '#']
  59
  60 # use full paths with source files
  61 ext_sources = list(map(lambda x: '%s/%s' % (src_perf, x) , ext_sources))
  62
  63 extra_libraries = []
  64 if '-DHAVE_LIBNUMA_SUPPORT' in cflags:
  65     extra_libraries = [ 'numa' ]
  66 if '-DHAVE_LIBCAP_SUPPORT' in cflags:
  67     extra_libraries += [ 'cap' ]
  68
  69 perf = Extension('perf',
  70                   sources = ext_sources,
  71                   include_dirs = ['util/include'],
  72                   libraries = extra_libraries,
  73                   extra_compile_args = cflags,
  74                   extra_objects = [libtraceevent, libapikfs, libperf],
  75                  )
  76
  77 setup(name='perf',
  78       version='0.1',
  79       description='Interface with the Linux profiling infrastructure',
  80       author='Arnaldo Carvalho de Melo',
  81       author_email='acme@redhat.com',
  82       license='GPLv2',
  83       url='http://perf.wiki.kernel.org',
  84       ext_modules=[perf],
  85       cmdclass={'build_ext': build_ext, 'install_lib': install_lib})