CalculiX build error using clang

[Joshua Root]

On 2022-7-27 03:42 , Dave Allured - NOAA Affiliate via macports-dev wrote:
> If you want to be thorough, then search the rest of the code for all 
> references to this function.  Look for any call that checks a return 
> code.  Also see if and how the function is defined for public or 
> external use.  If there is any hint of referencing a return code, then 
> declare the return type as "int", and add return (0) at the end of the 
> main part of the function.

Hopefully nothing is checking the return code, because there's a good 
chance that if it does it's reading uninitialised memory or the end of 
the previous stack frame (this is one of those "undefined behaviour" 
situations that C is (in)famous for.) But if it is, all the more reason 
to fix it…

- Josh