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On 09/15/2011 09:42 PM, Matt Turner wrote:
> On Fri, Sep 16, 2011 at 12:32 AM, Matt Turner <email@example.com> wrote:
>> Often packages depending on X11 libraries will also have to specify
>> the X11 libraries' proto packages in DEPEND. This is because the X11
>> library itself #includes files provided by the proto package. It's not
>> really that the X11 library depends on this at run-time, so the
>> protocol packages aren't specified in the RDEPEND of the libraries.
>> This is documented in a number of bug reports (see 379545), and it
>> seems that the decision is between
>> - add proto package to dependency list of packages using X11 libs
>> - add proto package to rdepend list of the relevant library itself
>> The first is more correct, I think, but it's also much more annoying.
>> Mesa winds up having x11-proto/inputproto in DEPEND for some long
>> forgotten reason, for instance.
>> The second option is much simpler and less error prone, but removes
>> the ability to depclean the proto packages.
>> It seems that some sort of DEPEND variable that means "I only need
>> this when other packages are building against me" would be useful.
> Another similar situation:
Maybe the virtual/mesa-build approach that I suggested can be adapted to
other similar situations: