On 04/29/2012 06:13 PM, Panu Matilainen wrote:
On 04/27/2012 07:36 PM, Toshio Kuratomi wrote:
On Fri, Apr 27, 2012 at 11:13:47AM +0300, Panu Matilainen wrote:
I'm going to add a switch to allow packages to control the behavior
anyway. Whether rpm upstream defaults to the traditional behavior for
compatibility reasons or not is another question, but Fedora is
obviously free to override that. Given the packaging guideline
mandate to eliminate private soname provides from packages it seems
like a no-brainer to disable faked sonames by default, and require
the handful of special cases to work around it (adding
enable-switches to specs) instead of adding disable-switches to
possibly hundreds of packages to cater for the special cases needs.
Thoughts? This would obviously only change in rawhide.
Oh and of course eliminating the faked soname provides does not
eliminate all unwanted provides, eg libtool adds a soname even when
-module is used. But ... you need to start someplace.
Will the toggle to turn it on and off work for those libtool generated
modules (as long as there's not public libraries in the same package)? Is
it possible to turn this on and off per subpackage or is that along the
lines of asking for pretty pink ponies with wings?
For now, I'm only talking about a switch that stops faking a soname
provide when an ELF DSO does not provide one, nothing more. Also that
switch is going to be a global macro to avoid spec syntax compatibility
issues, at least for now.
As for the other issues like libtool generated modules, the question is:
why does libtool insist on creating a soname for them, and could we get
libtool changed not to do that?
Also it might be possible to come up with heuristics to detect (some of)
such modules based on the data in elf headers.
Actually... one painfully simple and obvious heuristic is the DSO
basename: if it doesn't start with "lib", it's almost certainly not a
regular library.
- Panu -
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