Re: preparing for GCC 4.9

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Matthias Klose wrote:
> With gcc-4.9 now available in testing, it is time to prepare for the change of
> the default to 4.9, for a subset of architectures or for all (release)
> architectures.  The defaults for the gdc, gccgo, gcj and gnat frontends already
> point to 4.9 and are used on all architectures.  Issue #746805 tracks the
> gfortran default change, including the change of the Fortran 90 module version
> change.
> 
> The Debian archive was rebuilt twice on amd64, once in February, resulting in
> bug submissions for GCC and feedback for the porting guide [1], a second time in
> March to file issues for packages failing to build with GCC 4.9 [2].  Another
> test rebuild for Ubuntu on amd64, i386, armhf, ppc64el didn't show any other
> compiler regressions on these architectures.
> 
> I would like to see some partial test rebuilds (like buildd or minimal chroot
> packages) for other architectures. Any possibility to setup such a test rebuild
> for some architectures by the porters? Afaics the results for the GCC testsuite
> look okish for every architecture.
> 
> I'll work on fixing the build failures in [2], help is of course appreciated.
> Almost all build failures are analyzed and should be easy to fix (exceptions
> e.g. #746883).  Patches for the ones not caused by the Debian packaging may be
> found in distributions already using GCC 4.9 as the default compiler (e.g.
> Fedora 21).
> 
> If anything goes well, and a large amount of build failures are fixed, I plan to
> make GCC 4.9 the default for the C/C++/ObjC/Obj-C++ frontends at the end of May,
> beginning of June.
> 
> Bugs reports for packages building with a legacy version of GCC (4.6, 4.7, 4.8)
> will be filed.
> 
>   Matthias
> 
> [1] http://gcc.gnu.org/gcc-4.9/porting_to.html
> [2]
> https://bugs.debian.org/cgi-bin/pkgreport.cgi?tag=ftbfs-gcc-4.9;[email protected]


OK.
I will cooperate in ppc64 port as possible as i do, 
at least,  tests of rebuilding  the packages of buildd with gcc-4.9.

Regards,
- -- 
Hiroyuki Yamamoto
A75D B285 7050 4BF9 AEDA  91AC 3A10 59C6 5203 04DC
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