When using NO_DEFAULT_PATH the lib and include subdirectories will
not be searched by default by find_path and pt-scotch will not be
found outside of the standard path. This commit adds them and now
locally installed versions may supersede the system ones.

(cherry picked from commit 0088d9d6)
Signed-off-by: Carsten Gräser <graeser@dune-project.org>

Without it linking will fail when using static libraries due
to missing symbols.

(cherry picked from commit 1ac52e06)
Signed-off-by: Carsten Gräser <graeser@dune-project.org>

Ansgar Burchardt authored 9 years ago and Christoph Grüninger committed 9 years ago

(cherry picked from commit d22ed390)

The Metis test used the wrong one and I copied it for PTScotch... :/

This test has been added while the dune_enable_all_packages
feature was developed...

This is e.g. needed for dune-alugrid and might be a first step for
getting rid off the ParMETIS dependency.