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>
Tue, 2 May 2017 15:21:44 +0000 (15:21 +0000)
commit4358e2094e16ddec5a00189981cc8169a387f01f
tree4f715a6d01ebcba52906d555eee701250fc3a9a3
parent9cca00bf63ef23978e022abe2c5d8f0cefca384c
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