Re: bl3.mk question

[Thomas Klausner <wiz%NetBSD.org@localhost>]

On Mon, Apr 15, 2013 at 01:48:55AM +0300, Aleksey Cheusov wrote:
> Suppose we have package A that provides libA.so,
> and package B that provides libB.so.
> Package A depends on B, and libA.so is unconditionally linked with
> libB.so. We also have packages C_1..C_n that depend on A and its
> binaries are linked with libA.so (and _possibly_ directly with libB.so).
> 
> Does this mean that it is always better to add
> 
>   .include "B/buildlink3.mk"
> 
> to "A/buildlink3.mk" and remove it from C_i/Makefile ?
> If not, we'll have the same
> 
>   .include "B/buildlink3.mk"
> 
> in multiple places or build failures if C_i need libB.so.

My POV:

If A links against B or uses headers from B in its header files, A's
bl3.mk must include B's bl3.mk.

Independent of that:
If C uses B directly, it must include its bl3.mk.

So a mix of your answers, I think :)

> Real example:
> A  -- x11/libdrm (libdrm_intel.so)
> B  -- sysutils/libpciaccess

So what is to be changed here, if anything?
 Thomas