RE: [boost] config headers use #warning

From: Aleksey Gurtovoy (alexy_at_[hidden])
Date: 2002-03-10 20:25:25

John Maddock wrote:
> > The config headers use #warning to indicate an unsupported compiler
> > version.
> > The problem is that #warning is an error (unless the 
> > compiler supports it as an extension.) :-)
> 
> That should only be used for compilers that support it - gcc 
> and msvc should work OK

Nope, both MSVC 6.5 and 7.0 respond "fatal error C1021: invalid preprocessor
command 'warning'" to this:

    #warning "does it work?"

The correct way to write the above would be

    #pragma message("does it work?")

I've checked in the fix into CVS.

Aleksey.