From c8abd145963af5347d4c2bde698766ee75c8bec2 Mon Sep 17 00:00:00 2001
From: Joshua Clayton <joshua.clayton@gmail.com>
Date: Sun, 13 Jun 2021 08:30:21 -0400
Subject: [PATCH] Allow disabling mimalloc via flag

What?
=====

This adds a configuration option allowing users to not use mimalloc when
compiling unused.
---
 Formula/unused.rb | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/Formula/unused.rb b/Formula/unused.rb
index c0c66c9..4128566 100644
--- a/Formula/unused.rb
+++ b/Formula/unused.rb
@@ -8,8 +8,14 @@ class Unused < Formula
   depends_on "cmake" => :build
   depends_on "rust" => :build
 
+  option "without-mimalloc", "Use Rust's default allocator (may reduce performance)"
+
   def install
-    system "cargo", "install", "--locked", "--root", prefix, "--path", "."
+    if build.with? "mimalloc"
+      system "cargo", "install", "--locked", "--root", prefix, "--path", ".", "--features", "mimalloc"
+    else
+      system "cargo", "install", "--locked", "--root", prefix, "--path", "."
+    end
   end
 
   test do