Update the docs for building libc++.
authorDan Albert <danalbert@google.com>
Thu, 7 Nov 2019 20:40:05 +0000 (12:40 -0800)
committerDan Albert <danalbert@google.com>
Mon, 18 Nov 2019 20:14:13 +0000 (12:14 -0800)
commit626260cfe3c7a5d9747f0bf13d87fa1855eb74bb
treef9b11431d066ac2dffac44a8d2f26964e6fedf2b
parent3be6dbca3b88e82009e1990957c15b94455c1714
Update the docs for building libc++.

Summary:
Rewrite the in-tree build to be a clearer tl;dr like we have for the
out-of-tree build.

Reviewers: EricWF, mclow.lists, ldionne

Reviewed By: ldionne

Subscribers: dexonsmith, christof, ldionne, enh, libcxx-commits

Tags: #libc

Differential Revision: https://reviews.llvm.org/D69917
libcxx/docs/BuildingLibcxx.rst