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