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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>
67d5268908