[Starlingx-discuss] how to deal with loop dependent in building stage

[open infra]

Hi Xiao,

May I know the package names? and arch of them?
Btw, there is a way to analyse circular dependent packages. [1]
Debian wiki has leff info about circular build but [2] has something.

In case of installation of fedora/centos/rhel, rpm -Uvh a.rpm b.rpm will
solve the problem.

[1] https://wiki.debian.org/CircularBuildDependencies
[2]
https://www.debian.org/doc/debian-policy/ch-relationships.html#binary-dependencies-depends-recommends-suggests-enhances-pre-depends

Regards,
Danishka

On Sat, Sep 18, 2021 at 12:24 PM Zhang, Xiao <xiao.zhang at windriver.com>
wrote:

>   Hi，
>
>
> We are trying to construct basic environment for porting starlingX on
> Debian. While when I dealing with the build order of user space
> packages, the loop dependent problem blocked me.
>
> The easiest example: source package A build depend on B while B is also
> build depend on A. We can just build A, B, A, B and only use the later
> result.
>
> A fairly complex example: A depends on B and C, B depends on D, C
> depends on F, D depends on A and F. In this case there will be three
> cycles as below:
>
> A->B->D->A, A->B->D->F->A, A->C->F->A . Even more, if in some cases we
> needn't B or D, then we have only one cycle: ACFA
>
> I tried to find a method to deal with it but failed.
>
> So I wonder how did we deal with such loop dependent before, on CentOS.
> Any advises about it?
>
>
> Thanks a lot
>
> Xiao
>
>
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