From 7029810c181e2a5aff96ae6911171fbc0d3b35b0 Mon Sep 17 00:00:00 2001
From: Jack Nagel <jacknagel@gmail.com>
Date: Tue, 7 Oct 2014 17:23:09 -0500
Subject: [PATCH] Fix install_name_tool check when Xcode license isn't accepted
 yet

Fixes Homebrew/homebrew#32712.
---
 Library/Homebrew/cmd/doctor.rb | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Library/Homebrew/cmd/doctor.rb b/Library/Homebrew/cmd/doctor.rb
index 2910d05b74..29decd0ebd 100644
--- a/Library/Homebrew/cmd/doctor.rb
+++ b/Library/Homebrew/cmd/doctor.rb
@@ -349,7 +349,11 @@ end
 def check_for_bad_install_name_tool
   return if MacOS.version < "10.9"
 
-  libs = `otool -L /usr/bin/install_name_tool`
+  libs = Pathname.new("/usr/bin/install_name_tool").dynamically_linked_libraries
+
+  # otool may not work, for example if the Xcode license hasn't been accepted yet
+  return if libs.empty?
+
   unless libs.include? "/usr/lib/libxcselect.dylib" then <<-EOS.undent
     You have an outdated version of /usr/bin/install_name_tool installed.
     This will cause binary package installations to fail.