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Re: Cygwin Perl and -Duselongdouble
- From: Corinna Vinschen <corinna-cygwin at cygwin dot com>
- To: cygwin at cygwin dot com
- Date: Thu, 26 Jul 2007 14:19:07 +0200
- Subject: Re: Cygwin Perl and -Duselongdouble
- References: <B762313E2F744EE8A72B2113F081D0D3@desktop2>
- Reply-to: cygwin at cygwin dot com
On Jul 26 22:09, Sisyphus wrote:
> Hi,
> I'd like to have a perl on Cygwin built with -Duselongdouble, so I tried
> building blead (5.9.5) from source with:
>
> ./configure -de -Dusemorebits -Dprefix=~/Rob -Dusethreads -Uusemymalloc
> -Doptimize=-O3 -Dusedevel
>
> but that failed, culminating as follows:
>
> ----------------------------
> .
> .
> sqrtl() NOT found.
>
> scalbnl() NOT found.
>
> modfl() NOT found.
>
> modfl() prototype NOT found.
>
> *** You requested the use of long doubles but you do not seem to have
> *** the following mathematical functions needed for long double support:
> *** sqrtl modfl frexpl
> *** Please rerun Configure without -Duselongdouble and/or -Dusemorebits.
> *** Cannot continue, aborting.
> ----------------------------
Long double functions are not supported by newlib so far. There are a
couple of C99 functions not available in newlib. Volunteers implementing
these functions in a license compatible way (BSD, not GPL) in newlib
are always welcome.
Corinna
--
Corinna Vinschen Please, send mails regarding Cygwin to
Cygwin Project Co-Leader cygwin AT cygwin DOT com
Red Hat
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