[cfe-dev] Odd piece of Clang 2.1 behaviour

[Charles Davis]

On Oct 12, 2011, at 12:19 PM, Ted Kremenek wrote:

> Are you sure you aren't just getting the gcc that was previously installed in /usr/bin?
You might be right. The date on the gcc-4.2 file is July 5, whereas the date on the llvm-gcc link is October 6.

Chip
> 
> On Oct 12, 2011, at 11:08 AM, Charles Davis wrote:
> 
>> 
>> On Oct 12, 2011, at 5:10 AM, Jean-Daniel Dupas wrote:
>> 
>>> 
>>> Le 12 oct. 2011 à 13:08, Dallman, John a écrit :
>>> 
>>>> Jean-Daniel Dupas wrote:
>>>> 
>>>>> The problem is that I don't think Apple support new features in GCC.
>>>> 
>>>> This is entirely survivable. The software has to be portable across a
>>>> lot of platforms.
>>>> 
>>>>> Shouldn't be required, as this [-stdlib=libstdc++] is the default.
>>>> 
>>>> Making it explicit simply ensures it gets into documentation, and that
>>>> we don't get surprised when the default changes.
>>>> 
>>>>> /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.
>>>> 
>>> 
>>> OK. No, there is no gcc-4.2 binary in Xcode 4.2.
>> Yeah there is.
>> $ xcodebuild -version
>> Xcode 4.2
>> Build version 4D199
>> $ gcc-4.2 --version
>> i686-apple-darwin11-gcc-4.2.1 (GCC) 4.2.1 (Apple Inc. build 5666) (dot 3)
>> 
>> It's just not installed into /Developer (because it isn't used anymore for Xcode itself).
>> $ /Developer/usr/bin/gcc-4.2 --version
>> -bash: /Developer/usr/bin/gcc-4.2: No such file or directory
>> 
>> Chip
>> 
>> 
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>