bug#17806: 24.4.50; Branch emacs-24 fails to beuild on Debian

[Sven Joachim]

On 2014-06-19 19:22 +0200, Manoj Srivastava wrote:

> On Thu, Jun 19 2014, Dmitry Antipov wrote:
>
>> What versions of gcc and binutils you're using? It looks like
>> your tools has some problems handling object files with GIMPLE
>> sections generated with -flto.
>
>> Your recipe works fine for me (Fedora 20, gcc 4.8.2, binutils 2.24).
>
> % gcc --version
> gcc (Debian 4.9.0-7) 4.9.0
>
> % make --version
> GNU Make 4.0
> Built for x86_64-pc-linux-gnu
>
> % ld -v
> GNU ld (GNU Binutils for Debian) 2.24.51.20140617
>
>         The difference seems to be gcc.  Version 4.9.0 seems to be the
>  default for the next release of Debian. Emacs still builds fine on the
>  released version, but will fail for anyone running testing or unstable,
>  as far as I can tell.

Considering "--enable-link-time-optimization" is not the default, this
seems a bit exaggerated.  That being said, I can confirm the bug with
GCC 4.9, building with GCC 4.8 succeeds.

Cheers,
       Sven