Thread: pgsql: Make install-tests target work with vpath builds

Make install-tests target work with vpath builds

Also add a top-level install-tests target.

Backpatch to all live branches.

Craig Ringer, tweaked by me.

Branch
------
REL9_6_STABLE

Details
-------
https://git.postgresql.org/pg/commitdiff/b9f152d25a11e535975df971e536a2e27386179a

Modified Files
--------------
GNUmakefile.in               | 1 +
src/test/regress/GNUmakefile | 4 ++--
2 files changed, 3 insertions(+), 2 deletions(-)