67d5268908
The util/python-ext-sources file contains source files required to build the python extension relative to $(srctree)/tools/perf, Such a file path $(FILE).c is handed over to the python extension build system, which builds the final object in the $(PYTHON_EXTBUILD)/tmp/$(FILE).o path. After the build is done all files from $(PYTHON_EXTBUILD)lib/ are carried as the result binaries. Above system fails when we add source file relative to ../lib, which we do for: ../lib/bitmap.c ../lib/find_bit.c ../lib/hweight.c ../lib/rbtree.c All above objects will be built like: $(PYTHON_EXTBUILD)/tmp/../lib/bitmap.c $(PYTHON_EXTBUILD)/tmp/../lib/find_bit.c $(PYTHON_EXTBUILD)/tmp/../lib/hweight.c $(PYTHON_EXTBUILD)/tmp/../lib/rbtree.c which accidentally happens to be final library path: $(PYTHON_EXTBUILD)/lib/ Changing setup.py to pass full paths of source files to Extension build class and thus keep all built objects under $(PYTHON_EXTBUILD)tmp directory. Reported-by: Jeff Bastian <jbastian@redhat.com> Signed-off-by: Jiri Olsa <jolsa@kernel.org> Tested-by: Josh Boyer <jwboyer@fedoraproject.org> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: stable@vger.kernel.org # v4.2+ Link: http://lkml.kernel.org/r/20160227201350.GB28494@krava.redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
53 lines
1.6 KiB
Python
53 lines
1.6 KiB
Python
#!/usr/bin/python2
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from distutils.core import setup, Extension
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from os import getenv
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from distutils.command.build_ext import build_ext as _build_ext
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from distutils.command.install_lib import install_lib as _install_lib
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class build_ext(_build_ext):
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def finalize_options(self):
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_build_ext.finalize_options(self)
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self.build_lib = build_lib
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self.build_temp = build_tmp
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class install_lib(_install_lib):
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def finalize_options(self):
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_install_lib.finalize_options(self)
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self.build_dir = build_lib
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cflags = getenv('CFLAGS', '').split()
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# switch off several checks (need to be at the end of cflags list)
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cflags += ['-fno-strict-aliasing', '-Wno-write-strings', '-Wno-unused-parameter' ]
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src_perf = getenv('srctree') + '/tools/perf'
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build_lib = getenv('PYTHON_EXTBUILD_LIB')
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build_tmp = getenv('PYTHON_EXTBUILD_TMP')
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libtraceevent = getenv('LIBTRACEEVENT')
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libapikfs = getenv('LIBAPI')
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ext_sources = [f.strip() for f in file('util/python-ext-sources')
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if len(f.strip()) > 0 and f[0] != '#']
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# use full paths with source files
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ext_sources = map(lambda x: '%s/%s' % (src_perf, x) , ext_sources)
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perf = Extension('perf',
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sources = ext_sources,
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include_dirs = ['util/include'],
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extra_compile_args = cflags,
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extra_objects = [libtraceevent, libapikfs],
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)
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setup(name='perf',
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version='0.1',
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description='Interface with the Linux profiling infrastructure',
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author='Arnaldo Carvalho de Melo',
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author_email='acme@redhat.com',
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license='GPLv2',
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url='http://perf.wiki.kernel.org',
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ext_modules=[perf],
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cmdclass={'build_ext': build_ext, 'install_lib': install_lib})
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