Ignore test results on powerpc.

ok 58        - sql/declare                                19 ms
# tag: stdout
# tag: stderr
not ok 59    - thread/thread                              45 ms
# tag: stdout
# tag: stderr
not ok 60    - thread/thread_implicit                     46 ms
ok 61        - thread/prep                                62 ms

debian/changelog

@@ -2,6 +2,7 @@ postgresql-common (262) UNRELEASED; urgency=medium
 
   * Chown /var/tmp/postgresql-* to postgres so catversion bump instructions do
     not require root. Spotted by Greg Smith, thanks.
+  * Ignore test results on powerpc.
 
  -- Christoph Berg <myon@debian.org>  Wed, 03 Jul 2024 12:34:53 +0200
 

server/postgresql.mk

@@ -143,9 +143,10 @@ endif
 # hurd implemented semaphores only recently and tests still fail a lot
 # ia64 fails the infinite_recurse() test with postgresql-16
 # plperl fails on kfreebsd-* (#704802)
+# powerpc fails thread test on postgresql-16
 # sh4 lets qemu segfaults when building postgresql-16
 # sparc64 fails bin/summarization-and-inprogress-insertion test with postgresql-15
-ifneq ($(filter alpha hppa hurd% ia64 kfreebsd% sh4 sparc64,$(DEB_HOST_ARCH)),)
+ifneq ($(filter alpha hppa hurd% ia64 kfreebsd% powerpc sh4 sparc64,$(DEB_HOST_ARCH)),)
   TEST_FAIL_COMMAND = echo "Ignoring test failures on this architecture"
 else
   TEST_FAIL_COMMAND = exit 1