tools/perf/util/setup.py

   1 from os import getenv
   2 from subprocess import Popen, PIPE
   3 from re import sub
   4
   5 def clang_has_option(option):
   6     return [o for o in Popen(['clang', option], stderr=PIPE).stderr.readlines() if b"unknown argument" in o] == [ ]
   7
   8 cc = getenv("CC")
   9 if 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         if not clang_has_option("-fstack-protector-strong"):
  21             vars[var] = sub("-fstack-protector-strong", "", 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 libperf = getenv('LIBPERF')
  52
  53 ext_sources = [f.strip() for f in open('util/python-ext-sources')
  54                                 if len(f.strip()) > 0 and f[0] != '#']
  55
  56 # use full paths with source files
  57 ext_sources = list(map(lambda x: '%s/%s' % (src_perf, x) , ext_sources))
  58
  59 extra_libraries = []
  60 if '-DHAVE_LIBNUMA_SUPPORT' in cflags:
  61     extra_libraries = [ 'numa' ]
  62 if '-DHAVE_LIBCAP_SUPPORT' in cflags:
  63     extra_libraries += [ 'cap' ]
  64
  65 perf = Extension('perf',
  66                   sources = ext_sources,
  67                   include_dirs = ['util/include'],
  68                   libraries = extra_libraries,
  69                   extra_compile_args = cflags,
  70                   extra_objects = [libtraceevent, libapikfs, libperf],
  71                  )
  72
  73 setup(name='perf',
  74       version='0.1',
  75       description='Interface with the Linux profiling infrastructure',
  76       author='Arnaldo Carvalho de Melo',
  77       author_email='acme@redhat.com',
  78       license='GPLv2',
  79       url='http://perf.wiki.kernel.org',
  80       ext_modules=[perf],
  81       cmdclass={'build_ext': build_ext, 'install_lib': install_lib})