From 0dda8a13f11810c78b7a5b67a798d757804a9952 Mon Sep 17 00:00:00 2001
From: William Woodruff <william@tuffbizz.com>
Date: Sun, 12 Mar 2017 12:29:35 -0400
Subject: [PATCH] keg: Skip relocation when dylib ID/install name doesn't
 change.

---
 Library/Homebrew/os/mac/keg.rb | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Library/Homebrew/os/mac/keg.rb b/Library/Homebrew/os/mac/keg.rb
index 674ea33304..6caadb1d7a 100644
--- a/Library/Homebrew/os/mac/keg.rb
+++ b/Library/Homebrew/os/mac/keg.rb
@@ -1,5 +1,6 @@
 class Keg
   def change_dylib_id(id, file)
+    return if file.dylib_id == id
     @require_relocation = true
     puts "Changing dylib ID of #{file}\n  from #{file.dylib_id}\n    to #{id}" if ARGV.debug?
     MachO::Tools.change_dylib_id(file, id, strict: false)
@@ -13,6 +14,7 @@ class Keg
   end
 
   def change_install_name(old, new, file)
+    return if old == new
     @require_relocation = true
     puts "Changing install name in #{file}\n  from #{old}\n    to #{new}" if ARGV.debug?
     MachO::Tools.change_install_name(file, old, new, strict: false)