perf python: Fix build on 32-bit

Where there are lots of errors related to python methods receiving
'char *' for things like file open mode, which break the build, also
disable strict aliasing and fixup some other warnings. Now builds on
both 32-bit and 64-bit fedora systems.

Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/util/setup.py

@@ -6,7 +6,8 @@ perf = Extension('perf',
 		  sources = ['util/python.c', 'util/ctype.c', 'util/evlist.c',
 			     'util/evsel.c', 'util/cpumap.c', 'util/thread_map.c',
 			     'util/util.c', 'util/xyarray.c'],
-		  include_dirs = ['util/include'])
+		  include_dirs = ['util/include'],
+		  extra_compile_args = ['-fno-strict-aliasing', '-Wno-write-strings'])
 
 setup(name='perf',
       version='0.1',