tests: expose bug#12554 (false positives for presence of '-k' make option) The current implementation of the code descending into $(SUBDIRS) entries uses the following snippet to decide whether make is running with the '-k' a.k.a. '--keep-going' option, and thus whether a failure in a subdirectory should prevent the descent in the following ones: fail= failcom='exit 1'; \ for f in x $$MAKEFLAGS; do \ case $$f in \ *=* | --[!k]*);; \ *k*) failcom='fail=yes';; \ esac; \ done It's clear that the second pattern in the 'case' construct can possibly match false positives, for examples in these two cases: make check TESTS="x.test k.test" make -I /usr/local/kool-fragments which are somewhat unusual, but not invalid. So we need a more resilient implementation, as we did for the detection of the '-n' flag. But alas, such an implementation seems quite tricky to obtain in portable make. So for the moment we content ourselves with exposing the bug, with the hope of being able to fix soon enough. * t/subdir-keep-going-pr12554.sh: New test. * t/list-of-tests.mk (handwritten_TESTS, XFAIL_TESTS): Add it. * THANKS: Update Reported-by: Michael Daniels <mdaniels@rim.com> Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>