Thanks for the reply.

On Wed, 1 Aug 2018 at 23:06, Bruno Haible <br...@clisp.org> wrote:

> Hi,
>
> Michael Hudson-Doyle wrote:
> > I recently encountered the problem that the patch "threadlib: Fix
> > LIBMULTITHREAD on platforms where --as-needed is enabled" was intended to
> > fix. But unfortunately, the fix doesn't actually work because libtool is
> > re-ordering the linker commands. In particular "$stuff -Wl,--push-state
> > -Wl,--no-as-needed -lpthread -Wl,--pop-state" becomes "-Wl,--push-state
> > -Wl,--no-as-needed -Wl,--pop-state $stuff -lpthread" which obviously
> > doesn't achieve anything at all.
>
> It sounds like you are using $(LIBMULTITHREAD) when you should in fact
> be using $(LTLIBMULTITHREAD). See the module description:
>
>   Link:
>   $(LTLIBMULTITHREAD) when linking with libtool, $(LIBMULTITHREAD)
> otherwise
>

This doesn't seem to help. If it did, though, should modules/lock-test and
so on be updated to use LTLIBMULTITHREAD? I'm just a distro maintainer
stabbing in the dark here!


> The way things should work when using libtool is in use is that
>   * libtool does not see any --push-state or --as-needed options, only
>     -lpthread or -pthread.
>   * libtool passes these options to GCC.
>   * GCC inserts the --push-state and --as-needed options.
>

 I don't understand why gcc would do that?

Cheers,
mwh

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