Hi,

On 08/08/2017 11:17 PM, Mathieu Lirzin wrote:
> Michael Haubenwallner <michael.haubenwallner@ssi-schaefer.com> writes:
>>
>> I have no idea for how to fix automake for this situation, but it
>> feels like automake should add this line to src/Makefile.in here:
>>
>> $(LIBOBJS): $(LIBOBJDIR)$(am__dirstamp)

> 
> I confirm that this is an Automake issue.  After some digging I think
> 'automake' should call the 'require_build_directory' subroutine for the
> LIBOBJDIR variable.  However I don't have time to investigate more right
> now.

In this case let me come up with attached patch for now
(without deeper knowledge of automake internals though).

Thanks!
/haubi/