python3 rpm macros not available without python3-devel installed

[Robin Lee]

Oh! Thank you! This works.

On Thu, Sep 16, 2010 at 12:07 PM, Toshio Kuratomi <a.badger at gmail.com>wrote:

> On Thu, Sep 16, 2010 at 10:03:21AM +0800, Robin Lee wrote:
> > The main point I want to get is to set a proper python(abi) requirement
> at
> > buildtime without using hard version number at all.
> > %{?!py3_ver: %global py3_ver 3.2}
> > Doing so of course will make the package built. But that uses a hard
> version
> > number.
> >
> > I now suggest the requester to make a phantom file to get what we want.
> > See this patch:
> https://bugzilla.redhat.com/attachment.cgi?id=447458&action=
> > diff
> >
> I'm sorry I'm not being clear.  I thought that py3_ver was being set by the
> python3 macros but I see now that you have to define that in the spec file.
> I've added a more detailed comment in bugzilla, but the basic spec file
> code
> to do this more simply is:
>
> # get python3 version
> %global py3_ver 0
> %{?__python3: %global py3_ver %(%{__python3} -c "import sys;
> sys.stdout.write(sys.version[:3])")}
>
> -Toshio
>
> > Robin
> >
> > On Thu, Sep 16, 2010 at 12:17 AM, Toshio Kuratomi <a.badger at gmail.com>
> wrote:
> >
> >     On Wed, Sep 15, 2010 at 07:25:49PM +0800, Robin Lee wrote:
> >     > For a more concrete example:
> https://bugzilla.redhat.com/show_bug.cgi?id=
> >     567348
> >     > I want to set the python(abi) requirement of the subpackage at
> buildtime.
> >     So, I
> >     > want to set it like this:
> >     > Requires: python(abi) = %{py3_ver}
> >     >
> >     > But when build it, it will fail with the following output:
> >     > $ rpmbuild -bp dreampie.spec
> >     > Building target platforms: i686
> >     > Building for target i686
> >     > sh: python3: command not found
> >     > sh: python3: command not found
> >     > sh: python3: command not found
> >     > error: line 46: Version required: Requires:   python(abi) =
> >     >
> >     > Even though python3-devel has been added as BR.
> >     >
> >     I think that where you're running into this problem is important.
>  It's
> >     when
> >     koji is constructing the srpm, isn't it?  at that stage, koji needs
> to
> >     parse the spec file and it's running into the "Requires foo =\n" and
> >     throwing that error.
> >
> >     I think that conditionally defining a py3_ver macro in the spec file
> will
> >     do
> >     what you wnat.  That way, when the package is actually built, the
> >     python3-devel pakage will be present and your conditional will not
> set the
> >     macro.  but when building the srpm and python3-devel is missing, it
> will.
> >
> >     Something like this:
> >     %{?!py3_ver: %global py3_ver 3.2}
> >
> >     would work.  I'm not sure of the safest thing that we can use there
> and
> >     still not run into problems when building the srpm.
> >
> >     -Toshio
> >
> >     > On Wed, Sep 15, 2010 at 7:06 PM, Ignacio Vazquez-Abrams <
> >     ivazqueznet at gmail.com>
> >     > wrote:
> >     >
> >     >     On Wed, 2010-09-15 at 18:22 +0800, Robin Lee wrote:
> >     >     > python3 rpm macros not available without python3-devel
> installed.
> >     >     > 'rpmbuild --viewrc' will show you.
> >     >     >
> >     >     > So if you use the python3 macros to define another macro and
> you
> >     have
> >     >     > no python3-devel installed, you must fail.
> >     >     >
> >     >     > So, how to define, for example, a %py3_ver macro for the
> major
> >     version
> >     >     > of Python3? Must yum be used?
> >     >     >
> >     >     > Robin
> >     >
> >     >     Adding a "BuildRequires: python3-devel" should be enough to
> pull them
> >     >     in.
> >     >
> >     >     --
> >     >     Ignacio Vazquez-Abrams <ivazqueznet at gmail.com>
> >     >
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> >     >
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