== Xcode Version Information ==
This is a place to record various bits of information pertaining to a release of Xcode (currently, just which gcc4 is found with which Xcode)

== Mac OS X 10.4 ==
=== Xcode 2.0 ===
 * gcc4 is 4.0.0

=== Xcode 2.1 ===
 * gcc4 is 4.0.0

=== Xcode 2.2 ===
 * gcc4 is 4.0.1

=== Xcode 2.2.1 ===
 * gcc4 is 4.0.1

=== Xcode 2.3 ===
 * gcc4 is 4.0.1

=== Xcode 2.4 ===
 * gcc4 is 4.0.1

=== Xcode 2.4.1 ===
 * gcc4 is 4.0.1

=== Xcode 2.5 ===
 * gcc4 is 4.0.1 (Apple build 5370)

== Mac OS X 10.5 ==
=== Xcode 3.0 ===
 * gcc4 is 4.0.1

=== Xcode 3.1 ===
 * gcc4 is 4.0.1
 * gcc42 is 4.2.1

=== Xcode 3.1.1 ===
 * gcc4 is 4.0.1 (Apple build 5488)
 * gcc42 is 4.2.1 (Apple build 5564)

=== Xcode 3.1.2 ===
 * gcc4 is 4.0.1 (Apple build 5490)
 * gcc42 is 4.2.1 (Apple build 5566)

=== Xcode 3.1.4 ===
 * gcc4 is 4.0.1 (Apple build 5493)
 * gcc42 is 4.2.1 (Apple build 5577)

== Mac OS X 10.6 ==
=== Xcode 3.2 + Xcode 3.2.1 ===
 * gcc4 is 4.0.1 (Apple build 5493)
 * gcc42 is 4.2.1 (Apple build 5646)

=== Xcode 3.2.5 ===
 * gcc4 is 4.0.1 (Apple build 5494)
 * gcc42 is 4.2.1 (Apple build 5664)

=== Xcode 3.2.6 ===
 * gcc4 is 4.0.1 (Apple build 5494)
 * gcc42 is 4.2.1 (Apple build 5666 (dot 3))

=== Xcode 4 ===
 * FIXME

== Mac OS X 10.8 ==
=== Xcode 4.5.2 ===
 * '''Xcode''': Build version 4G2008a
 * '''llvm-gcc''': i686-apple-darwin11-llvm-gcc-4.2 (GCC) 4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2336.11.00)
 * '''clang''': Apple clang version 4.1 (tags/Apple/clang-421.11.66) (based on LLVM 3.1svn)