[PATCH] Work around conflicting declarations of math functions

[Florian Weimer]

On 11/09/2015 05:24 PM, Joseph Myers wrote:
> On Mon, 9 Nov 2015, Florian Weimer wrote:
> 
>> On 11/05/2015 01:49 AM, Joseph Myers wrote:
>>> bits/math-finite.h declares -ffinite-math-only variants of various
>>> functions under conditions not matching those under which the normal
>>> versions are declared.
>>
>> Joseph,
>>
>> I may be seeing build failures related to this change, on armhfp (which
>> is, I think, ARMv7 with hardware floating point).  Specifically, this:
> 
> I think this comes from -D_Mlong_double_=double in math-CPPFLAGS, in which 
> case undefining _Mlong_double_ in test-signgam-finite-c99.c ought to allow 
> the test to build OK

I can confirm that the attached patch fixes the build issue on armhfp I
was seeing.  Thanks!

I need some help with the commit message, though.

Florian

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