[cfe-dev] Odd piece of Clang 2.1 behaviour

[Chris Lattner]

On Oct 12, 2011, at 4:08 AM, Dallman, John wrote:

>> 
>> /Developer/usr/bin/gcc --version
>> i686-apple-darwin11-llvm-gcc-4.2 (GCC) 4.2.1 (Based on Apple Inc.
>> build 5658) (LLVM build 2336.1.00)
> 
> llvm-gcc is the default gcc at Xcode 4.1, but that also has a non-LLVM
> gcc at /Developer/usr/bin/gcc-4.2. The information I have is that isn't
> present at Xcode 4.2.

Correct.  Xcode 4.1 includes Clang, llvm-gcc-4.2 and gcc-4.2.

Xcode 4.2 does not include gcc-4.2, so it includes clang and llvm-gcc-4.2.  For maximum compatibility and least disruption, "gcc" is a symlink to llvm-gcc in Xcode 4.2.

-Chris
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