Merge branch 'maint' * maint: tests: fix a spurious XPASS on OpenIndiana tests: avoid spurious failure of 't/vala-vapi.sh' on OpenIndiana tests: avoid spurious failure of 't/uninstall-fail.sh' on OpenIndiana tests: reimplement wrappers for automake and aclocal in perl tests: work around a ksh bug w.r.t. ${1+"$@"} depcomp: style changes to Portland Group Compilers support depcomp: initial support for Portland Group Compilers