Linking C & extern(C) on OS X: duplicate symbols not flagged

["Luís]

On Friday, 30 August 2013 at 06:37:07 UTC, Jacob Carlborg wrote:
> How does it behave on Mac OS X if you just use C?

That fails, as expected.

(I tried to explain that, I'm sorry if I wasn't clear: )
>> On OS X no error is flagged, and the C function is always 
>> called, irrespective of which order I specify the .o files to 
>> link. Yet, compiling and linking two .c files with a 
>> duplication symbol does give an error on the linking phase, as 
>> expected.