On Wed, Dec 14, 2016 at 05:22:52PM +0100, Hendrik Leppkes wrote:
> On Wed, Dec 14, 2016 at 5:15 PM, Diego Biurrun <di...@biurrun.de> wrote:
> > -O2 is the highest warning level understood by MSVC, higher warning
> > levels produce warnings.
>
> s/warning/optimization/ ?
Indeed, thanks.
> > --- a/configure
> > +++ b/configure
> > @@ -3214,6 +3214,7 @@ msvc_common_flags(){
> > # Common flags
> > -fomit-frame-pointer) ;;
> > -g) echo -Z7 ;;
> > + -O[3-9]) echo -O2 ;;
> > -fno-math-errno) ;;
> > -fno-common) ;;
> > -fno-signed-zeros) ;;
>
> We typically define the O flags per compiler already, so configure
> itself would never pass anything unsupported, and anyone passing
> custom cflags should know what he is passing them to, so I'm not sure
> what you are actually trying to solve here, tbh.
We're not quite as smart as you hope for the host:
check_host_cflags -O3
Possibly a different solution is better, like no optimizations for hostcc or
size optimizations for hostcc, but this patch is certainly an option.
Diego
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