[cfe-dev] Build failing when configured with gcc 4.5.0

[Clark Gaebel]

Thanks.

Any plans on clang getting experimental C++0x support? By looking at the
webpage it seems that the only thing stopping the amazing r-value
references from being used is CodeGen.

On 07/25/10 14:16, Douglas Gregor wrote:
> On Jul 25, 2010, at 9:52 AM, Clark Gaebel wrote:
>
>   
>> Clang stopped being able to compile iomanip when I configured it with
>> gcc 4.5.0's system headers.
>>
>> Full usage below:
>>
>> clark at clark-server /tmp $ g++ --version
>> g++ (Gentoo 4.5.0 p1.2, pie-0.4.5) 4.5.0
>> Copyright (C) 2010 Free Software Foundation, Inc.
>> This is free software; see the source for copying conditions.  There is NO
>> warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
>>
>> clark at clark-server /tmp $ clang++ --version
>> clang version 1.1 (branches/release_27)
>> Target: x86_64-pc-linux-gnu
>> Thread model: posix
>> clark at clark-server /tmp $ cat t.cpp
>> #include <iomanip>
>>
>> int main()
>> {
>>        return 0;
>> }
>> clark at clark-server /tmp $ clang++ t.cpp
>> In file included from t.cpp:1:
>> /usr/lib/gcc/x86_64-pc-linux-gnu/4.5.0/include/g++-v4/iomanip:63:12:
>> error: expected expression
>>  { return { __mask }; }
>>
>> ^                                                                                                                                                
>>     
> This is not surprising, unfortunately. GCC 4.5.0's headers use various C++0x features---in this case, generalized initializer lists---that Clang does not implement.
>
> 	- Doug

-- 
Regards,
-Clark