[CMake] shared library versioning on OS X

[Bruce Stephens]

Ah, yes. That looks like exactly the bug, thanks.

So it's a straight bug in the ninja generator, not something deliberate
that I was just failing to understand. And with the Unix Makefile generator
the compatibility version is set (presumably the current version would be
set if I used VERSION).

On Sat, Feb 20, 2016 at 6:59 PM, <clinton at elemtech.com> wrote:

> Perhaps this bug report fits what you are seeing.  Are you seeing this
> limitation in the ninja generator?
>
> https://cmake.org/Bug/view.php?id=14140
>
> Clint
>
> On Feb 20, 2016 11:49 AM, Bruce Stephens <bruce.r.stephens at gmail.com>
> wrote:
> >
> > By the looks of it setting the SOVERSION when generating a SHARED
> library creates the symbolic link, but it doesn't seem to use the
> -current_version or -compatibility_version flags when linking.
> >
> > Those flags are set as variables CMAKE_C_OSX_CURRENT_VERSION_FLAG and
> CMAKE_C_OSX_COMPATIBILITY_VERSION_FLAG (and similar for other languages)
> but those don't seem to be used.
> >
> > Is that deliberate?
> >
>
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