compiling software for diff. Releases/Linuxs

[Götz Reinicke]

Paul Howarth schrieb:
> On Tue, 2006-05-30 at 08:53 +0200, Götz Reinicke wrote:
>> Hi,
>>
>> for now all software I neede was availabel as rpm for my systems using 
>> the features I wanted. But now I have to install some packages with 
>> modified compile options and some packages aren't availabel as rpms for 
>> my OS release.
>>
>> I don't want to install all compiler-stuff on all systems so I'd like to 
>> have one development station.
>>
>> My question now: Can I compile the software (and build an rpm) on this 
>> system and copy this installer to the others? Of cours I have to look 
>> for dependencies like libraries etc.
>>
>> E.g. the development station is FC5 and the other Systems are RHEL3&4 
>> and FC 2&3.
>>
>> Or do I have to compile the software on the same OS releas I'd like to 
>> install it later?
>>
>> Thank you for any explanations!
> 
> In order to get the correct dependencies, you really need to build the
> packages in en environment like that of the target system (same library
> versions etc.). However, you can do all this by building the packages in
> a chroot environment, where that environment has been set up using
> packages from the target distribution.
> 
> It's not as hard as it may sound. There is a program called "mock" in
> Extras that will do this for you. Every time you build a package using
> mock, you tell it what the target is and it sets up the chroot, installs
> any buildrequires packages into the chroot and then builds the package.
> The Fedora Extras buildsystem uses this tool to build packages for FC3,
> FC4, FC5, and rawhide, all from a box running CentOS. Fedora Core will
> be moving to this sort of buildsystem for FC6 as well.
> 
> More details:
> http://www.fedoraproject.org/wiki/Projects/Mock
> http://www.fedoraproject.org/wiki/Legacy/Mock
> http://www.fedoraproject.org/wiki/Extras/MockTricks

Thank you, that sounds good :-) I'll look into it.

Regards!

Götz
-- 
Götz Reinicke
IT Koordinator - IT OfficeNet

Tel. +49 (0) 7141 - 969 420
Fax  +49 (0) 7141 - 969 55 420
goetz.reinicke at filmakademie.de

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