Merge branch 'maint' * maint: tests: avoid spurious failures in get-sysconf.test scripts: bump the depcomp scriptversion sync: some auxiliary files synced from upstream coverage: an empty foo_PRIMARY should create directory $(foodir) coverage: make sure am__py_compile is defined when needed coverage: expose automake bug#10997 coverage: expose automake bug#10975 getopt: relax version requirement for perl + Extra non-trivial edits: * tests/dist-pr109765.test: Use 'configure.ac', not 'configure.in'. * tests/instdir-cond.test: Likewise. * tests/instdir-empty.test: Likewise. Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>