On Fri, May 10, 2019 at 08:52:49PM -0600, Shuah Khan wrote: > commit 8ce72dc32578 ("selftests: fix headers_install circular dependency") > broke bpf build/test workflow. When KBUILD_OUTPUT is set, bpf objects end > up in KBUILD_OUTPUT build directory instead of in ../selftests/bpf. > > The following bpf workflow breaks when it can't find the test_verifier: > > cd tools/testing/selftests/bpf; make; ./test_verifier; > > Fix it to set OUTPUT only when it is undefined in lib.mk. It didn't need > to be set in the first place. > > Fixes: commit 8ce72dc32578 ("selftests: fix headers_install circular dependency") > > Reported-by: Alexei Starovoitov <alexei.starovoitov@xxxxxxxxx> > Signed-off-by: Shuah Khan <skhan@xxxxxxxxxxxxxxxxxxx> 'git am' couldn't apply this patch because "sha1 information is lacking", but the patch itself looks good. Acked-by: Alexei Starovoitov <ast@xxxxxxxxxx> Thanks for the quick fix.