Ævar Arnfjörð Bjarmason <avarab@xxxxxxxxx> writes: > Even if it's not available in all versions that's OK. You just won't get > the nicer removal behavior on on error on such a jurassic gmake, but > you'll probably have way bigger issues with your late-90s-era software. > > It's not a syntax error on a gmake or other make that doesn't know about > it either, i.e. you can also add a target like: > > .THIS_DOES_NOT_EXIST_AS_A_GMAKE_FEATURE: > > And gmake willl happily ignore it. What I meant was that I would not tolerate "cc -o x+ && mv x+ x", but I do not mind DELETE_ON_ERROR with "cc -o x" at all.