Hi,

because valac's developers dropped POSIX profile:

   commit ca020bf04a09fe16e5583eea5a3a341e7796bff5

.. there is a problem with automake testsuite in:

   $ grep -r '\-\-profile=posix' .
   ./vala-libs.sh:libmu_a_VALAFLAGS = --profile=posix --vapidir=$(srcdir)
   ./vala-mix.sh:AM_VALAFLAGS = --profile=posix
   ./vala-parallel.sh:#AM_VALAFLAGS = --profile=posix
   ./vala-mix2.sh:AM_VALAFLAGS = --profile=posix
   ./vala-vpath.sh:AM_VALAFLAGS = --profile=posix
   ./vala-vapi.sh:AM_VALAFLAGS = --profile=posix

Configure then fails with:

   error: Unknown profile posix

Testsuite log from Fedora Rawhide (vala-0.18.0) attached.  Unfortunately,
I don't know much about vala to be able fix this problem.

Pavel