rust: fix missing build requirement xz

As of rust-lang/rust#41600 we now need `xz` to build Rust from HEAD.
brandt · May 6, 2017 · ceac172 · ceac172
1 parent 6b3eeb9
commit ceac172
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/Formula/rust.rb b/Formula/rust.rb
@@ -27,6 +27,8 @@ class Rust < Formula
   head do
     url "https://github.com/rust-lang/rust.git"
 
+    depends_on "xz" => :build
+
     resource "cargo" do
       url "https://github.com/rust-lang/cargo.git"
     end