[gentoo-user] Re: Any reason to keep older gcc?

[Grant Edwards]

On 2007-12-31, Rumen Yotov <rumen@××××××.org> wrote:
> On (30/12/07 16:18) Grant Edwards wrote:
>> On 2007-12-28, Qian Qiao <qian.qiao@×××××.com> wrote:
>>
>> >>  Would there be any reason to keep the older gcc 3.46?  I'm
>> >>  not familiar enough with Gentoo "under-the-hood" to decide.
>> >
>> > Try "equery depends =gcc-3*", without the quotes obviously.
>> >
>> > If none of the packages you installed depends on gcc-3*, you should be
>> > able to get rid of it safely.
>>
>> That's not been my experience.  For example, Qemu won't compile
>> with gcc-4, yet doesn't have gcc-3 as a dependancy.
>
> qemu is just a meta-ebuild, in ~x86 qemu-softmmu-0.9.0-r1:
> pkg_setup() {
>  if [ "$(gcc-major-version)" == "4" ]; then
>  eerror "qemu requires gcc-3 in order to build and work
>  correctly"
>  eerror "please compile it switching to gcc-3."
>  eerror "We are aware that qemu can guess a gcc-3 but
>  this feature"
>  eerror "could be harmful."
>  die "gcc 4 cannot build q
> fi

My mistake.  I was thinking of OpenEmbedded.  It uses a build
system very similar to portage, and that's where I recently ran
into problems with Qemu being built using gcc 3.

-- 
Grant Edwards                   grante             Yow! How's it going in
                                  at               those MODULAR LOVE UNITS??
                               visi.com            

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