[LLVMdev] gfortran link failure in current llvm svn

[Jack Howarth]

   IMHO, this is one of my biggest concerns about Apple eventually
switching over to llvm-gcc. The absence of the rigorous patch
review process required in FSF gcc will tend to allow these sort
of issues to slip by.
               Jack

On Tue, Aug 12, 2008 at 09:05:11PM -0700, Bill Wendling wrote:
> On Aug 10, 2008, at 11:40 PM, Duncan Sands wrote:
>
>> Hi Jack,
>>
>>>   The curent llvm svn (r54623) is unable to link the gfortran
>>> compiler in llvm-gcc-4.2 svn. I am getting the error...
>> ...
>>> Undefined symbols:
>>>  "_create_init_utf16_var", referenced from:
>>>      _darwin_build_constant_cfstring in libbackend.a(darwin.o)
>>
>> this is probably due to recent Apple changes.  Fortran builds on
>> linux.
>>
>>>
> I just looked at what's going on here, and I threw up a little in my  
> mouth.
>
> It's just horrendous. For some reason, they placed a whole bunch of  
> ObjC-building code into darwin.c, then had it call this function in  
> darwin-c.c. If I try to put that function into darwin.c, all hell breaks 
> loose. So even though the Fortran stuff wouldn't call the Obj-C stuff in 
> darwin.c, it appears like it still needs the darwin-c.c file linked in 
> with it.
>
> -bw