Source for libgmp 10.4.1

[Lucas Gonze]

Your explanation and map are fascinating. Exploring the relationship
between source and binary is the most interesting part of my task. Where
shared library versions come from has been a deep mystery.

BTW, should you ever wish to inconvenience your former coworkers greatly,
use GPL code in a built artifact without keeping the relevant source
around.

On Thu, Sep 21, 2023 at 5:47 PM Vincent Lefevre <vincent at vinc17.net> wrote:

> On 2023-09-21 23:39:38 +0200, Vincent Lefevre wrote:
> > On 2023-09-21 19:45:28 +0200, Anders Andersson wrote:
> > > A bit off-topic, but I'm now curious how GMP 6.2.1 can turn into
> > > libgmp.so.10.4.1. What's the logical connection? Who makes the
> > > numbering decision?
> >
> > 10 is the oldest supported ABI version. The ABI version normally
> > increases each time the library major.minor version increases.
> > For instance, this is documented in MPFR (src/Makefile.am):
> [...]
>
> I can see that this is also documented in GMP's Makefile.am file:
>
> #         GMP      -version-info
> #       release   libgmp  libgmpxx libmp
> [...]
> #        4.3.0    8:0:5    5:0:1   4:14:1
> #        4.3.1    8:1:5    5:1:1   4:15:1       WRONG Really used same as
> 4.3.0
> #        4.3.2    8:2:5    5:2:1   4:16:1
> #        5.0.0    9:0:6    6:0:2   4:20:1       Should have been 10:0:0
> #        5.0.1   10:1:0    6:1:2   4:21:1
> #        5.0.2   10:2:0    6:2:2   4:22:1
> #        5.0.3   10:3:0    6:3:2   4:23:1
> #        5.0.4   10:4:0    6:4:2   4:24:1
> #        5.0.5   10:5:0    6:5:2   4:25:1
> #        5.1.0   11:0:1    7:0:3     -
> #        5.1.1   11:1:1    7:1:3     -
> #        5.1.2   11:2:1    7:2:3     -
> #        6.0.0   12:0:2    8:0:4     -
> #        6.1.0   13:0:3    9:0:5     -
> #        6.1.1   13:1:3    9:1:5     -
> #        6.1.2   13:2:3    9:2:5     -
> #        6.2.0   14:0:4   10:0:6     -
> #        6.2.1   14:1:4   10:1:6     -
>
> For GMP 6.2.1, the -version-info libgmp value is 14:1:4. Since 14
> is the current ABI version and its age is 4, the oldest supported
> ABI version is 14 - 4 = 10. Hence 10.4.1 for GMP 6.2.1.
>
> --
> Vincent Lefèvre <vincent at vinc17.net> - Web: <https://www.vinc17.net/>
> 100% accessible validated (X)HTML - Blog: <https://www.vinc17.net/blog/>
> Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)
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