On Mon, Jul 15, 2019 at 3:22 PM Daniel Borkmann <daniel@xxxxxxxxxxxxx> wrote: > > On 7/12/19 3:56 PM, Ilya Leoshkevich wrote: > > When directories are used as prerequisites in Makefiles, they can cause > > a lot of unnecessary rebuilds, because a directory is considered changed > > whenever a file in this directory is added, removed or modified. > > > > If the only thing a target is interested in is the existence of the > > directory it depends on, which is the case for selftests/bpf, this > > directory should be specified as an order-only prerequisite: it would > > still be created in case it does not exist, but it would not trigger a > > rebuild of a target in case it's considered changed. > > > > Signed-off-by: Ilya Leoshkevich <iii@xxxxxxxxxxxxx> > > Applied, thanks! Hi Ilya, this commit breaks map_tests. To reproduce: rm map_tests/tests.h make tests.h will not be regenerated. Please provide a fix asap. We cannot ship bpf tree with such failure.
