LXR linux/tools/perf/util/setup.py

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