Merge branch 'test-protocols' into testsuite-work * test-protocols: cosmetics: remove obsolete comment coverage: conditional contents in LOG_DRIVER variables coverage: LOG_DRIVER variables can be defined through AC_SUBST tests: fix spurious failure with Solaris /bin/sh threaded-am: better serialization for required config files automake: refactor, break up 'require_file_internal' dist: separate auxiliary file instantiation from DIST_COMMON update refactor: rename a subroutine to a more proper name dist: truly always distribute files in AC_REQUIRE_AUX_FILE dist: simplify automake code accordingly to the previous changes dist: auxiliary files can be distributed from subdir Makefiles