On 4 Sep 2013, at 23:38, Baptiste Daroussin <b...@freebsd.org> wrote:

> As a result we have a lot of fallouts of ports complaining about:
> undefined reference to `powl'
> 
> It seems like libc++ is relying on a function we don't have yet in libm, am I
> missing something?

I've attached a diff that I'd like to commit to msun that should allow these 
things to link.  This:

- Provides thin wrappers around the 8 missing libm functions that libc++ 
exposes that just call the double versions

- Makes these weak references, so other libraries can replace them with more 
precise versions if required

- On platforms where long double is greater precision than double (e.g. x86), 
it emits a linker warning when they are referenced

These can then be replaced by proper versions as they become available (at 
which point the linker warnings will go away).

David

Attachment: imprecise.diff
Description: Binary data

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