Build optimizations (WITH_SYSTEM_LLD, META_MODE)
lld has the requisite metadata to support WITH_SYSTEM_LINKER in -current and stable/11 (as of r332899):
% ld --version
LLD 6.0.0 (FreeBSD 326565-1100002) (compatible with GNU linkers)
| __FreeBSD_version style id
llvm revision info
WITH_SYSTEM_LINKER committed in r335450
May I close this now?
LLD changes are all in, but I am not sure about META_MODE. Brad?
Err, not Brad sorry, I meant Bryan (bdrewery).
Add sjg to CC as well