Re: [gentoo-user] firefox-9.0 won't compile

[Florian Philipp <lists@binarywings.net>]

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Am 06.02.2012 05:56, schrieb Michael Mol:
> On Fri, Feb 3, 2012 at 8:52 PM, Grant <emailgrant@gmail.com> wrote:
>> Does anyone have any ideas on this?  I just completed an emerge -e
>> world so I don't think anything needs to be re-emerged.  Everything
>> compiles fine except for gcc-4.5.3-r1 (I'm on gcc-4.3.4) and
>> firefox-9.0:
>>
>> /var/tmp/portage/www-client/firefox-9.0/work/mozilla-release/js/src/jsgcchunk.cpp:
>> In function 'void* MapAlignedPages(size_t, size_t)':
>> /var/tmp/portage/www-client/firefox-9.0/work/mozilla-release/js/src/jsgcchunk.cpp:243:
>> error: pointer of type 'void *' used in arithmetic
>> /var/tmp/portage/www-client/firefox-9.0/work/mozilla-release/js/src/jsgcchunk.cpp:243:
>> error: pointer of type 'void *' used in arithmetic
> 
> That looks like a change in how the compiler treats bad code, or the
> introduction of bad code in an updated version of Firefox. The
> compiler can't sanely do pointer arithmetic without knowing the
> pointer type. Looks like the version you're compiling with throws an
> error on that.
> 
> Are using anything like -Werror and/or -Wall in your CFLAGS?
> 
> 
> 
> 

Yes, enabling --Wno-pointer-arith should help.

Regards,
Florian Philipp


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