Re: How to get all dependent source packages

[Goswin von Brederlow <goswin-v-b@web.de>]

Harald Braumann <harry@unheit.net> writes:

> On Tue, 21 Jul 2009 01:42:44 +0800
> sha liu <sandyleo26@gmail.com> wrote:
>
>> 2009/7/20 Goswin von Brederlow <goswin-v-b@web.de>
>> 
>> > sha liu <sandyleo26@gmail.com> writes:
>> >
>> > > Hi everyone,
>> > >     Is there any easy method to get all the *source* packages
>> > > which are
>> > the
>> > > build dependency of one package?
>> > >     What I want to do is building dpkg from source on a CLFS[0]
>> > > system.
>> > So I
>> > > have to get all the dpkg's dependency source packages and the
>> > > dependency
>> > of
>> > > dependency and so on...
>> > >     I look into auto-apt, apt-get builddep. Both of them install
>> > > the
>> > binary
>> > > packages to fulfill the dependency, not downloading the source
>> > > packages. It's crazy to download all dependent source packages of
>> > > dpkg, right?
>> > Any
>> > > suggestion is welcomed!
>> > > [0][[http://trac.cross-lfs.org/]]
>> > >     For those don't know clfs, just think a CLFS system as a
>> > > minimal
>> > linux
>> > > system without debianization.
>> > > --
>> > > Best,
>> > > Sha Liu
>> >
>> > It is crazy. Or at least in general you can not build a source
>> > package without having a full build chroot with binaries already.
>> > Just the sources for a minimla build chroot are >800MB already and,
>> > last I checked, which is a few years back, include latex and X.
>> > Adding all the sources for the Build-Depends of those probably
>> > doubles the size again.
>> >
>> > Just build (c)debootstrap manually or use the static one and create
>> > a build chroot from debs.
>> 
>> Hi Goswin.
>>     debootstrap will just install the binaries. However, what I want
>> is building binaries on my own. The reason I want to do this is I
>> want to port Debian to different arch(MIPS III and loongson 2F),
>> considering there're only mips and mipsel port in Debian archive now.
> Use pbuilder. It creates a chroot, downloads and installs all required
> packages and then builds your source package.
>
> Btw., the base chroot is about 80MB (gzipped). How big it gets when
> building depends on the dependencies, but I never had to download 800MB
> (if I understood correctly, you don't want to build the whole
> distribution, just a single package, rigth?)

The debs might be just 80MB but the sources for those debs are
800MB.

> Cheers,
> harry

MfG
        Goswin