[gentoo-dev] Re: Implicit system dependency

[Michael Palimaka]

On 14/11/14 01:05, Michael Orlitzky wrote:
> On 11/13/2014 05:30 AM, Michael Palimaka wrote:
>>
>> Suggested policy to get the ball rolling:
>>
>> In general, a package must explicitly depend upon what it directly uses.
>> However, to avoid ebuild complexity and developer burden there are some
>> exceptions. Packages that appear in the base system set may be omitted
>> from an ebuild's dependency list in the following circumstances:
>>
>> * C compiler and runtime
>
> Specifically sys-devel/gcc and sys-libs/glibc (i.e. what's in @system),
> or just anything?

Since they can be (in theory) replaced with some other implementation,
anything unless there's a reason (like a binary package explicitly
linking to glib).

>
>> * C++ compiler and runtime
>
> Isn't it possible to disable C++ in GCC with USE="-cxx"?

It is, but I think if that's disabled you're on your own. :-)