Hi Nick,
sending the mail again since I did not send the reply to list before
(sorry!).
On 09/19/2017 08:16 AM, Nick Coghlan wrote:
On Mon, Sep 18, 2017 at 9:29 PM, Honza Horak <hho...@redhat.com> wrote:
On 09/18/2017 07:29 AM, Nick Coghlan wrote:
2. Assuming I haven't missed anything, how do the *default* values for
"scl" and "vendorscl" actually get set?
We can kinda control what packages are part of the minimal buildroot for
every copr or cbs tag -- for SCL case there is the <scl>-build package that
sets this 'scl' macro. You can add more macros if you like and they will be
defined at a time a particular SRPM/RPM is built. By that trick and changing
what macros are defined in <scl>-build, you may basically build more
variants of a single SRPM and produce different output.
That's what I thought, but I couldn't find anything in sclorg-distgit
that actually *sets* them for the rh-python35 case.
https://github.com/sclorg-distgit/rh-python35/blob/sig-sclo7-rh-python35-rh/macros.additional.rh-python35
has the comment "the @scl@* macros are defined in
macros.python3.python33 in python33-python-devel"
That's presumably referring to
https://github.com/sclorg-distgit/python/blob/sig-sclo7-rh-python35-rh/macros.python3,
which still doesn't *set* "@scl@" or "@vendorscl@", it assumes they're
set somewhere else.
The "@scl@" and "@vendorscl@" symbols are replaced by proper values
during the build of the metapackage [1], and the resulting macros get
installed using the *-build sub-package [2] as Honza mentioned.
[1]
https://github.com/sclorg-distgit/rh-python35/blob/sig-sclo7-rh-python35-rh/rh-python35.spec#L113
[2]
https://github.com/sclorg-distgit/rh-python35/blob/sig-sclo7-rh-python35-rh/rh-python35.spec#L137
So I'm still confused as to:
- what's up with the "@" symbols in "@scl@" and "@vendorscl@"?
- where can I find an example package that shows how to define them
via a package in the buildroot so I can set up sclo-python-preview
COPR builds?
- where can I find documentation that explains how to do this when you
*can't* pass arbitrary RPM build options?
Cheers,
Nick.
P.S. https://www.softwarecollections.org currently appears to be down
(I noticed when attempting to find docs about this)
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