[cmake-developers] [PATCH] New module FindLibDl

[Roger Leigh]

On Wed, Nov 19, 2014 at 08:35:53PM +0100, Nils Gladitz wrote:
> On 19.11.2014 20:23, Roger Leigh wrote:
> >libdl (for dlopen, dlsym) is part of (or an extention to) the
> >standard library/linker on many platforms.  It doesn't currently
> >have support in CMake, though there are a few independent
> >implementations shown up by Google.  Given that there are
> >several upstreams and that it's a basic component of several
> >different POSIX systems, having support in CMake would be quite
> >beneficial.
> 
> There is http://www.cmake.org/cmake/help/v3.0/variable/CMAKE_DL_LIBS.html
> which is set up by the platform modules.

That's great to know, thanks.

However, do I still need to independently check for <dlfcn.h>?
How do I know that I have a working dlopen?  E.g., on FreeBSD
where CMAKE_DL_LIBS would be empty how do I know it's there
without a functional check?


Thanks,
Roger

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