tools/build: Remove bpf() run-time check at build time
authorBen Hutchings <ben@decadent.org.uk>
Sun, 21 Feb 2016 15:33:15 +0000 (15:33 +0000)
committerBen Hutchings <ben@decadent.org.uk>
Sun, 3 Dec 2017 19:41:55 +0000 (19:41 +0000)
commit257db4e838666378c9e3e5771e80a9fdbe233c42
tree1396c744896525a6818b125caefa78ab4226490f
parent551ccfc4e6bef6e76a4a889b95a0c7b0b92f0123
tools/build: Remove bpf() run-time check at build time

It is not correct to test that a syscall works on the build system's
kernel.  We might be building on an earlier kernel version or with
security restrictions that block bpf().

Also fix the test for whether __NR_bpf is defined.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Gbp-Pq: Topic bugfix/all
Gbp-Pq: Name tools-build-remove-bpf-run-time-check-at-build-time.patch
tools/build/feature/test-bpf.c