Compilation time

[Ben Gamari]

Ryan Scott <ryan.gl.scott at gmail.com> writes:

> Another things to note about 8.2 build times is that a bulk of the time is
> probably being spent during the linking phase. This is because GHC 8.2 has
> switched over to split-sections by default, but unfortunately, old versions
> of the BFD linker take a long time to link code that uses split-sections
> (see the discussion at [1]). There is ongoing work (which should hopefully
> land before the final 8.2 release) to use gold instead of BFD as the
> default linker when available, which will reduce linking times dramatically.
>
Indeed it has already landed. See #13541.

In short, ./configure will now choose to use ld.gold or ld.lld if
available (although this can be disabled using the --disable-ld-override
configure flag).

Cheers,

- Ben

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 487 bytes
Desc: not available
URL: <http://mail.haskell.org/pipermail/ghc-devs/attachments/20170707/049ecf27/attachment.sig>