This is the mail archive of the
gcc-patches@gcc.gnu.org
mailing list for the GCC project.
Re: [PATCH/RFC,libgcc/dfp/bid] Omit exception-related functions from libbid when fenv.h not present [was Re: Broken bootstrap on Cygwin]
- From: Dave Korn <dave dot korn dot cygwin at gmail dot com>
- To: "H.J. Lu" <hjl dot tools at gmail dot com>
- Cc: GCC Patches <gcc-patches at gcc dot gnu dot org>, FX <fxcoudert at gmail dot com>, Angelo Graziosi <angelo dot graziosi at alice dot it>, cygwin at cwilson dot fastmail dot fm, Richard Guenther <richard dot guenther at gmail dot com>
- Date: Wed, 09 Feb 2011 18:45:10 +0000
- Subject: Re: [PATCH/RFC,libgcc/dfp/bid] Omit exception-related functions from libbid when fenv.h not present [was Re: Broken bootstrap on Cygwin]
- References: <7EB9F5D3-8C37-410B-99A9-9D27C62A45AE@gmail.com> <AANLkTikG4MpV8VGEDSjrarL8XciHR+nRXjbnm7gdRJXz@mail.gmail.com> <4D516AB2.4020809@gmail.com> <4D52D522.1040804@gmail.com> <AANLkTiksm5aj1j1=BmhaU=n88kT_Rq8sfJuaDX7ZxGiE@mail.gmail.com>
On 09/02/2011 18:05, H.J. Lu wrote:
> On Wed, Feb 9, 2011 at 9:55 AM, Dave Korn <dave.korn.cygwin@gmail.com> wrote:
>> Alternative approaches would be to error out with an appropriate message
>> about needing either fenv.h or --disable-decimal-float during libgcc
>> configure, or perhaps to modify config/dfp.m4 to check for fenv.h there and
>> disable decimal float automatically; anyone have any opinions about what
>> approach would be preferable?
>>
>
> I prefer not to touch bid_conf.h. You can enable DFP for cygwin only if fenv.h
> is available.
'k. Will respin tomorrow morning.
cheers,
DaveK