Re: [Ltib] Host packages don't rebuild if the spec file is updated

[Stuart Hughes]

Hi Peter,

This was a while ago, but here's what I think the idea is behind this.

In normal circumstances (outside of LTIB), if you have an rpm package of version x installed, if you try to re-install version x, it won't happen unless you force it (as the version has not changed).  So this is the normal behaviour.  In LTIB for the most part we're developing packages for the target system, this behaviour is overridden for make the development process simpler.

For the host packages, we want to enforce the rule that an rpm package of a given version does not change, so unless you bump up the version/release version of the package spec number, the package will not re-install.  I can't remember exactly why, but I had to do this because without it we were running into problems (if I remember, I'll send another email).

I think the "proper" solution is for you to bump the version/release of the file.spec file.  This will then install because not only has the rpm modification time changed, but also the version has updated.

Regards, Stuart

On 16/07/14 18:30, Peter Barada wrote:

Stuart,

If I add a patch to libtool (that fixes an issue using file-5.14 on
Ubuntu-14.04 to identified shared objects; patch attached) and then rm
.host_wait_warning* and rerun ltib, the host version of libtool does
_not_ get rebuilt while installing host support packages.

This is due to the ./ltib script code:

    my $spec_upd = @rpms && ( (stat($spec))[9] > (stat($rpms[0]))[9] )
&& ! $cf->{hostinst};

that prevents:

    $r   .= "spec file newer than rpm, " if $spec_upd;

from being executed whcich would trigger the rebuild.

Any idea why in CVS version 1.26 you conditionalised $spec_upd on not
forcing a build for the host?

In my world I use LTIB as part of continuous integration project on
multiple build servers (since I have nearly a dozen different build
configurations) and the build servers out of sync  compared to my
workstation (since I ran "./ltib --hostcf -p libtool" to rebuild on my
workstation).  On the build servers I have to forcibly remove the
libtool host .rpm to get them back in sync on the next build.

Thanks in advance!

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