From fd343a11fbde41420fe13b4acab7bce8eea34d13 Mon Sep 17 00:00:00 2001
From: Shaun Jackman <sjackman@gmail.com>
Date: Fri, 3 Feb 2017 10:47:44 -0800
Subject: [PATCH] gcc_version_formula: Use gcc@4.x rather than gcc4x

---
 Library/Homebrew/extend/ENV/shared.rb | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/Library/Homebrew/extend/ENV/shared.rb b/Library/Homebrew/extend/ENV/shared.rb
index 7b468574ad..3b07e0a71a 100644
--- a/Library/Homebrew/extend/ENV/shared.rb
+++ b/Library/Homebrew/extend/ENV/shared.rb
@@ -269,7 +269,7 @@ module SharedEnvExtension
   # @private
   def gcc_version_formula(name)
     version = name[GNU_GCC_REGEXP, 1]
-    gcc_version_name = "gcc#{version.delete(".")}"
+    gcc_version_name = "gcc@#{version}"
 
     gcc = Formulary.factory("gcc")
     if gcc.version_suffix == version
@@ -286,7 +286,6 @@ module SharedEnvExtension
     rescue FormulaUnavailableError => e
       raise <<-EOS.undent
       Homebrew GCC requested, but formula #{e.name} not found!
-      You may need to: brew tap homebrew/versions
       EOS
     end