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>
Mon, 27 Feb 2017 15:58:07 +0000 (15:58 +0000)
commit2903460a8b5e2d40e235c644857bd7dfeee12584
treee9ed397a4222a0da501d33af3f883034a499755d
parent6592f11d6836712c1c4d26a390c19e678f2e27e8
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