2010-06-19 22:53:37 Mike Frysinger napisał(a):
> On Thursday, June 10, 2010 16:45:29 Arfrever Frehtes Taifersar Arahesis wrote:
> > 2010-06-10 22:20:44 Nirbheek Chauhan napisał(a):
> > > On Fri, Jun 11, 2010 at 1:30 AM, Arfrever Frehtes Taifersar wrote:
> > > > 2010-06-10 21:27:40 Jeremy Olexa napisał(a):
> > > >> I see no reason to *not* add a ChangeLog entry here.
> > > > 
> > > > ChangeLog entries are not required for trivial changes.
> > > 
> > > A "trivial" change is fixing a typo, or a manifest problem, a missing
> > > quotation mark, etc. Anything else is not "trivial".
> > > 
> > > Anything that changes how an ebuild functions, what it does, or the
> > > installed files (and/or their contents) is NOT a trivial change.
> > 
> > This commit only removed some compiler warnings.
> 
> mucking with CFLAGS without documentation is wrong.  compiler warnings come 
> and go, so a flag that was relevant one day could be completely extraneous 
> the 
> next.
> 
> however, especially with strict aliasing, you arent "just fixing warnings", 
> you're changing optimization behavior of gcc to workaround broken C code.  
> this obviously does not fall anywhere near the "trivial" mark.
> 
> i see you still havent fixed this, so get on it already.  a bug needs to be 
> opened somewhere to get the package properly *fixed*

This problem is probably caused by bugs in Python 2, which have been fixed in 
Python 3.

$ echo 'a = True' > test.pyx
$ cython test.pyx
$ gcc -O2 -Wall -I/usr/include/python3.1 -c test.c
$ gcc -O2 -Wall -I/usr/include/python2.6 -c test.c
test.c: In function ‘inittest’:
test.c:479: warning: dereferencing type-punned pointer will break 
strict-aliasing rules
test.c:479: warning: dereferencing type-punned pointer will break 
strict-aliasing rules
test.c:479: warning: dereferencing pointer ‘_Py_TrueStruct.42’ does break 
strict-aliasing rules
test.c:479: warning: dereferencing pointer ‘_Py_TrueStruct.42’ does break 
strict-aliasing rules
test.c:479: note: initialized from here
test.c:482: warning: dereferencing pointer ‘__pyx_t_1’ does break 
strict-aliasing rules
test.c:482: warning: dereferencing pointer ‘__pyx_t_1’ does break 
strict-aliasing rules
test.c:482: warning: dereferencing pointer ‘__pyx_t_1’ does break 
strict-aliasing rules
test.c:482: warning: dereferencing pointer ‘__pyx_t_1’ does break 
strict-aliasing rules
test.c:479: note: initialized from here

-- 
Arfrever Frehtes Taifersar Arahesis

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