[Vm-dev] Portability problems: compiler flags

Aleksej Saushev asau at inbox.ru
Tue Jan 25 10:46:02 UTC 2011

Igor Stasenko <siguctua at gmail.com> writes:

> On 25 January 2011 03:26, Aleksej Saushev <asau at inbox.ru> wrote:
>>  Hello!
>> Squeak uses highly unportable flag "-mno-fused-madd".
>> It isn't present in many systems, even those using GCC,
>> since many systems use older compilers.
>> Also, why do you build fdlibm? It is old stuff that works not so well,
>> we have better libm. Is there a way to use our libm?
> I asked  same question few weeks ago.
> Check mailing list archive for discussion.
> In short: differrent libm implementations work differently and some
> have bad support of IEEE standard.

Then it's better to detect those "bad" implementations and not to build
bad replacement for good ones.


More information about the Vm-dev mailing list