tools/perf/util/setup.py

   1 #!/usr/bin/python
   2
   3 from os import getenv
   4 from subprocess import Popen, PIPE
   5 from re import sub
   6
   7 def clang_has_option(option):
   8     return [o for o in Popen(['clang', option], stderr=PIPE).stderr.readlines() if b"unknown argument" in o] == [ ]
   9
  10 cc = getenv("CC")
  11 if cc == "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
  23 from distutils.core import setup, Extension
  24
  25 from distutils.command.build_ext   import build_ext   as _build_ext
  26 from distutils.command.install_lib import install_lib as _install_lib
  27
  28 class build_ext(_build_ext):
  29     def finalize_options(self):
  30         _build_ext.finalize_options(self)
  31         self.build_lib  = build_lib
  32         self.build_temp = build_tmp
  33
  34 class install_lib(_install_lib):
  35     def finalize_options(self):
  36         _install_lib.finalize_options(self)
  37         self.build_dir = build_lib
  38
  39
  40 cflags = getenv('CFLAGS', '').split()
  41 # switch off several checks (need to be at the end of cflags list)
  42 cflags += ['-fno-strict-aliasing', '-Wno-write-strings', '-Wno-unused-parameter', '-Wno-redundant-decls' ]
  43 if cc != "clang":
  44     cflags += ['-Wno-cast-function-type' ]
  45
  46 src_perf  = getenv('srctree') + '/tools/perf'
  47 build_lib = getenv('PYTHON_EXTBUILD_LIB')
  48 build_tmp = getenv('PYTHON_EXTBUILD_TMP')
  49 libtraceevent = getenv('LIBTRACEEVENT')
  50 libapikfs = getenv('LIBAPI')
  51
  52 ext_sources = [f.strip() for f in open('util/python-ext-sources')
  53                                 if len(f.strip()) > 0 and f[0] != '#']
  54
  55 # use full paths with source files
  56 ext_sources = list(map(lambda x: '%s/%s' % (src_perf, x) , ext_sources))
  57
  58 perf = Extension('perf',
  59                   sources = ext_sources,
  60                   include_dirs = ['util/include'],
  61                   extra_compile_args = cflags,
  62                   extra_objects = [libtraceevent, libapikfs],
  63                  )
  64
  65 setup(name='perf',
  66       version='0.1',
  67       description='Interface with the Linux profiling infrastructure',
  68       author='Arnaldo Carvalho de Melo',
  69       author_email='acme@redhat.com',
  70       license='GPLv2',
  71       url='http://perf.wiki.kernel.org',
  72       ext_modules=[perf],
  73       cmdclass={'build_ext': build_ext, 'install_lib': install_lib})