Re: libbid and floatingpoint exception access funcs

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libbid and floatingpoint exception access funcs
\ Bernhard Fischer (5 Dec 2007)
. \ H.J. Lu (6 Dec 2007)

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Subject:	Re: libbid and floatingpoint exception access funcs
Group:	Gcc
From:	H.J. Lu
Date:	6 Dec 2007

Hi Bernhard,

Please open a gcc bug and assign it to me.

Thanks.

H.J.
---
On Wed, Dec 05, 2007 at 03:02:32PM +0100, Bernhard Fischer wrote:
> Hi,
>
> My libc is configured to omit any FP support (UCLIBC_HAS_FLOATS is not set)
> but the recent libbid updates seems to unconditionally pull in floatingpoint
> accessor functions thus breaking bootstrap. My notes on this read:
>
> --------8<--------
> Follows:
> Precedes:
>
> do not pull in allegedly unneeded floatingpoint exception access funcs
>
> HJL's recent update of libbid would pull in Floating-point exception
> handling, although __GCC_FLOAT_NOT_NEEDED is defined.
>
> Prevent pulling in feclearexcept, feraiseexcept et al for now.
> FIXME: revisit
> --------8<--------
>
> H.J., please advise.
>
> PS: I currently do:
> libgcc/ChangeLog:
> 2007-10-13 Bernhard Fischer <>
>
> * config/libbid/bid_conf.h: Do not define
> DECIMAL_GLOBAL_EXCEPTION_FLAGS_ACCESS_FUNCTIONS if
> __GCC_FLOAT_NOT_NEEDED is defined.

> Index: gcc-4.3.0/libgcc/config/libbid/bid_conf.h
> ===================================================================
> --- gcc-4.3.0/libgcc/config/libbid/bid_conf.h (revision 129202)
> +++ gcc-4.3.0/libgcc/config/libbid/bid_conf.h (working copy)
> @@ -535,7 +535,9 @@ Software Foundation, 51 Franklin Street,
> #define DECIMAL_GLOBAL_ROUNDING 1
> #define DECIMAL_GLOBAL_ROUNDING_ACCESS_FUNCTIONS 1
> #define DECIMAL_GLOBAL_EXCEPTION_FLAGS 1
> +#ifndef __GCC_FLOAT_NOT_NEEDED
> #define DECIMAL_GLOBAL_EXCEPTION_FLAGS_ACCESS_FUNCTIONS 1
> +#endif
> #define BID_HAS_GCC_DECIMAL_INTRINSICS 1
> #endif /* IN_LIBGCC2 */
>