Re: Incompatible compiler option fexec-charset

[Riccardo Mottola]

Hi,

Richard Frith-Macdonald wrote:
> On 20 Nov 2011, at 11:38, David Chisnall wrote:
>
> > This flag also isn't recognised by clang.  What does GCC 4.x need it for?
> So the only drawback to removing the option for older compilers is that 
> non-ascii string literals would malfunction (but such literals have simply been 
> illegal up to now anyway) ... so it would be reasonable to have an autoconf 
> check to see if the option works, and disable it and print a warning.  I hate 
> writing autoconf stuff though, so I'd rather someone who's interested in 
> supporting old compilers did it.
I had a look around the net and found no clear examples on how to check 
for compiler features (except the built-in functions). Checking for the 
gcc version is in my opinion a bit dirty, since then clang needs to be 
separately checked (and maybe somewhen clang will support this option, 
etc). Feature checking is always better than version checking.

Any hints about it?

Riccardo