CPP warning

[Neil Booth]

Mark Mitchell wrote:-

> On the 3.0 branch, I often get warnings like:
> 
>   /isip/d108/alphonso/tools/include/MVector.h:218:53: warning: expected to return to line number 42
> 
> when using a preprocessed source file, especially one preprocessed
> with GCC 2.95.x.
> 
> Do y'all know what causes this?  Can it be fixed easily?  
> 
> It's not a very useful error message if you're not a compiler
> developer since there's pretty much nothing you can do about it --
> it's not like a construct in your source code that you can change.

It's just a sanity check, and easy to get rid of if you like.  It happens
on some preprocessed source from older compilers; it shouldn't happen with
current CPP preprocessed files.  But I don't imagine many people keeping
old preprocessed source around to compile, so I couldn't see problems there.

Let me know what you'd like me to do.

By the way, please use my new e-mail address; everything to my old address
goes in the spam bin (with a > 95% successful hit rate at present; I'm not
sure whether to count your mail as a successful hit or not :-))

Neil.