From 6659810a22e62f8b41d7bc35ed07905ccebda68b Mon Sep 17 00:00:00 2001
From: Joe Wilm <joe@jwilm.com>
Date: Wed, 3 May 2017 10:45:06 -0700
Subject: [PATCH] Update build instructions about Homebrew Rust bug

---
 README.md | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index c0e90885..5b1cec0d 100644
--- a/README.md
+++ b/README.md
@@ -46,7 +46,8 @@ makepkg -isr
 
 ### Prerequisites
 
-1. Install [`rustup.rs`](https://rustup.rs/)
+1. Install [`rustup.rs`](https://rustup.rs/). **DO NOT** use the Homebrew Rust
+   compiler on macOS (see FAQ for explanation).
 
 2. Clone the source code:
 
@@ -188,6 +189,9 @@ Just Works.
 
 ## FAQ
 
+- _proc-macro derive panicked during macOS build; what's wrong?_ There's an
+  issue with the Rust compiler from Homebrew. Please follow the instructions
+  and use `rustup`.
 - _Is it really the fastest terminal emulator?_ In the terminals I've
   benchmarked against, alacritty is either faster, WAY faster, or at least
   neutral. There are no benchmarks in which I've found Alacritty to be slower.