Re: About mock and cross compiling 64 - 32 bit

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On 8/10/07, Todd Zullinger <tmz@xxxxxxxxx> wrote:
> Fernando Apesteguía wrote:
> > Hi all,
> >
> > I have a .src.rpm package I made from a .tgz. It builds perfectly in
> > my FC6 64 bits. Now I want to generate the 32 bit package. I tried
> > with the simple:
> >
> > setarch i386 rpmbuild ... ... .... package.src.rpm but it didn't work.
> > It still generates a 64 bit binary package. So as I read previously in
> > the list, I moved to mock.
> >
> > Mock was installed and configured properly. The point is that when I try:
> > setarch i386 mock --debug package.src.rpm
> >
> > I got from the configure script the following:
> > -----------------------------------------
> > checking for PACKAGE... configure: error: The pkg-config script could
> > not be found or is too old.  Make sure it
> > is in your PATH or set the PKG_CONFIG environment variable to the full
> > path to pkg-config.
> > -----------------------------------------
> >
> > It seems to me that this is a problem with the chroot configuration. I
> > would like to know where to find more information about how to solve
> > this. I can't find information, just the small wiki page in
> > fedoraproject.org. Man page doesn't give me more information.
> >
> > Any mock-experienced user around here?
>
> I don't have any x86_64 boxes, so I can't help with issues caused by
> trying to compile x86 on x86_64.  But I don't think that's got
> anything to do with why your package is failing.
>
> Is there a BuildRequires: pkgconfig in your spec file?  If not, then
> pkgconfig won't end up in the mock chroot and your configure will
> fail.  You can look at the mock logs to see what was installed in the
> chroot (root.log).  Then carefully check the build.log to see what all
> it complains about and add the packages providing those things via
> BuildRequires (or disable them via configure options if you don't want
> them in your package).
>
> This often happens when people get used to building packages on their
> fully installed systems.  You end up not noticing that something may
> be needed as a BuildRequires because you've already got it installed.
> Mock is actually helpful in this regard because it pulls in a very
> small set of packages by default and requires your spec file to
> specify what is needed above and beyond that to build properly.
>
> The Fedora Packaging Guidelines will tell you what the exceptions are
> to BuildRequires[1].  Anything not in the exception list should be
> added as a BR.  More generally, there is a lot of good stuff in on the
> wiki for package maintainers[2] -- some specific to Fedora, but much
> of it applies to anyone looking to build clean packages.

Hi again,

I solved the problem with the dependencies. But now I'm stuck with this error:

Binary file /var/tmp/lkmonitor-0.3-root/bin/lkmonitor matches
/var/tmp/lkmonitor-0.3-root/share/gnome/apps/Applications/lkmonitor.desktop:Icon=/var/tmp/lkmonitor-0.3-root/share/pixmaps/lkmonitor/
Found '/var/tmp/lkmonitor-0.3-root' in installed files; aborting
error: Bad exit status from /var/tmp/rpm-tmp.27028 (%install)

I don't know what it means cause as before, the package compiles
perfectly without mock in my native 64 bit environment. I was seeking
in the web and I found "similar" problems discussed in
fedoraproject.org, but not exactly this one.

Probably this is not the proper place to ask but I don't know where to
do it then.
If somebody can help me, it will be very much appreciated.

Thanks in advance

>
> [1] http://fedoraproject.org/wiki/Packaging/Guidelines#head-351b11771f3898e032fcd70896ff21b8b82505c7
> [2] http://fedoraproject.org/wiki/PackageMaintainers/
>
> --
> Todd        OpenPGP -> KeyID: 0xBEAF0CE3 | URL: www.pobox.com/~tmz/pgp
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> May your sun be blown out like a candle
> May your sea burn like tar
> May your sky be rolled up like a scroll
> May your blue moon drip with blood
>
>
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