From 461b61abacbafd523f007e76b39b542f04155994 Mon Sep 17 00:00:00 2001
From: ilovezfs <ilovezfs@icloud.com>
Date: Mon, 9 Jul 2018 21:23:25 -0700
Subject: [PATCH] link: fix undefined `dep_f`

---
 Library/Homebrew/cmd/link.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Library/Homebrew/cmd/link.rb b/Library/Homebrew/cmd/link.rb
index 7f863ea9a0..3f84329730 100644
--- a/Library/Homebrew/cmd/link.rb
+++ b/Library/Homebrew/cmd/link.rb
@@ -40,7 +40,7 @@ module Homebrew
         elsif (MacOS.version >= :mojave ||
                MacOS::Xcode.version >= "10.0" ||
                MacOS::CLT.version >= "10.0") &&
-              dep_f.keg_only_reason.reason == :provided_by_macos
+              keg.to_formula.keg_only_reason.reason == :provided_by_macos
           opoo <<~EOS
             Refusing to link macOS-provided software: #{keg.name}
             Instead, pass the full include/library paths to your compiler e.g.: