diff --git a/Library/ENV/4.3/g++-5 b/Library/ENV/4.3/g++-5
new file mode 120000
index 0000000000..2652f5f42c
--- /dev/null
+++ b/Library/ENV/4.3/g++-5
@@ -0,0 +1 @@
+cc
\ No newline at end of file
diff --git a/Library/ENV/4.3/gcc-5 b/Library/ENV/4.3/gcc-5
new file mode 120000
index 0000000000..2652f5f42c
--- /dev/null
+++ b/Library/ENV/4.3/gcc-5
@@ -0,0 +1 @@
+cc
\ No newline at end of file
diff --git a/Library/Homebrew/compilers.rb b/Library/Homebrew/compilers.rb
index e73f39f018..f12d9f2ff8 100644
--- a/Library/Homebrew/compilers.rb
+++ b/Library/Homebrew/compilers.rb
@@ -1,6 +1,6 @@
 module CompilerConstants
-  GNU_GCC_VERSIONS = 3..9
-  GNU_GCC_REGEXP = /^gcc-(4\.[3-9])$/
+  GNU_GCC_VERSIONS = %w[4.3 4.4 4.5 4.6 4.7 4.8 4.9 5]
+  GNU_GCC_REGEXP = /^gcc-(4\.[3-9]|5)$/
 end
 
 class CompilerFailure
@@ -107,7 +107,7 @@ class CompilerSelector
       case compiler
       when :gnu
         GNU_GCC_VERSIONS.reverse_each do |v|
-          name = "gcc-4.#{v}"
+          name = "gcc-#{v}"
           version = compiler_version(name)
           yield Compiler.new(name, version) if version
         end
diff --git a/Library/Homebrew/extend/ENV/shared.rb b/Library/Homebrew/extend/ENV/shared.rb
index 9b83724b24..c4162dd69b 100644
--- a/Library/Homebrew/extend/ENV/shared.rb
+++ b/Library/Homebrew/extend/ENV/shared.rb
@@ -15,7 +15,7 @@ module SharedEnvExtension
   }
 
   COMPILERS = COMPILER_SYMBOL_MAP.values +
-    GNU_GCC_VERSIONS.map { |n| "gcc-4.#{n}" }
+    GNU_GCC_VERSIONS.map { |n| "gcc-#{n}" }
 
   SANITIZED_VARS = %w[
     CDPATH GREP_OPTIONS CLICOLOR_FORCE
diff --git a/Library/Homebrew/extend/ENV/std.rb b/Library/Homebrew/extend/ENV/std.rb
index 4f3c9887dc..773ecc4c9f 100644
--- a/Library/Homebrew/extend/ENV/std.rb
+++ b/Library/Homebrew/extend/ENV/std.rb
@@ -130,7 +130,7 @@ module Stdenv
   alias_method :gcc_4_2, :gcc
 
   GNU_GCC_VERSIONS.each do |n|
-    define_method(:"gcc-4.#{n}") do
+    define_method(:"gcc-#{n}") do
       super()
       set_cpu_cflags
     end