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Re: shared library symbol exports and versioning
From: |
Simon Josefsson |
Subject: |
Re: shared library symbol exports and versioning |
Date: |
Tue, 03 Mar 2009 11:40:51 +0100 |
User-agent: |
Gnus/5.110011 (No Gnus v0.11) Emacs/23.0.90 (gnu/linux) |
Bruno Haible <address@hidden> writes:
> Simon,
>
>> However, do you object to installing the original module to gnulib?
>
> Now that you have shown that it provides access to functionality that
> libtool does not provide portably, I don't object.
Great.
> But I would find it useful to revise the doc and the module name
>
> 1) in order to clarify that it's about symbol versions, not about controlling
> the linking process. The GNU ld documentation describes these two file
> formats called "linker scripts" and "version scripts" like this:
...
Given that the parameter is called --version-script, I think
"version-script" would be a better name for the module.
> 2) in order to clarify the purposes of the module. No one comes to gnulib
> saying "I want to use a linker script". The developer says either
> (a) "I want to reduce the number of possible clashes of my library with
> other libraries", or
> (b) "I want to be able to make incompatible changes to the API of my
> library", or
> (c) "I want dpkg-shlibdeps to produce good results for packages that use
> my library".
> IMO the doc should be centered around these questions. There's enough to
> say about each of the three points:
> (a) talk about the three approaches: ld version scripts,
> libtool -export-symbols and gcc -fvisibility,
> (b) versioning at the include file level and via ld version scripts,
> (c) explain how dpkg-shlibdeps works.
>
> For point (a), we already have the file visibility.texi, but it is
> incomplete: it does not talk about libtool -export-symbols.
Sounds good. It seems (a) has already been fixed right?
I'll prepare a new patch.
/Simon
Re: linker-script.m4?, Bruno Haible, 2009/03/02
- Re: linker-script.m4?, Simon Josefsson, 2009/03/02
- Re: shared library symbol versioning, Bruno Haible, 2009/03/02
- Re: shared library symbol versioning, Simon Josefsson, 2009/03/02
- Re: shared library symbol exports and versioning, Bruno Haible, 2009/03/02
- Re: shared library symbol exports and versioning, Simon Josefsson, 2009/03/02
- Re: shared library symbol exports and versioning, Bruno Haible, 2009/03/02
- Re: shared library symbol exports and versioning,
Simon Josefsson <=
- Re: shared library symbol exports and versioning, Simon Josefsson, 2009/03/03
- Re: shared library symbol exports and versioning, Bruno Haible, 2009/03/03
- Re: shared library symbol exports and versioning, Simon Josefsson, 2009/03/03
Re: linker-script.m4?, Mike Frysinger, 2009/03/02