[compiler-rt] Make use of undefined symbols configurable
authorPetr Hosek <phosek@google.com>
Tue, 22 Jun 2021 18:03:37 +0000 (11:03 -0700)
committerPetr Hosek <phosek@google.com>
Tue, 22 Jun 2021 21:25:36 +0000 (14:25 -0700)
commitcadfaf2df46faf1dfe86db989583a477f27e22b4
treee8768c94e2e17fde6ddd076052f1101cd971ff56
parent600074980410e3069e0e21294cc785c6bf38c0e3
[compiler-rt] Make use of undefined symbols configurable

We want to disable the use of undefined symbols on Fuchsia, but there
are cases where it might be desirable so may it configurable.

Differential Revision: https://reviews.llvm.org/D104728
compiler-rt/CMakeLists.txt