[PATCH] Use -frounding-math for math testsuite

[Andreas Jaeger]

On 05/07/2012 09:15 PM, Joseph S. Myers wrote:
> On Mon, 7 May 2012, David Miller wrote:
>
>> Unfortunately, this change causes all kinds of math test failures on sparc.
>> For example, see math/test-double.out below.
>
> The change to build some tests with -frounding-math, or the change to
> build all of glibc with it?
>
>> I think we should revert this until we can sort it out, especially since
>> I anticipate that it will take quite some time to do so.
>
> If it's the change to build all of libc with -frounding-math, maybe adding
> something to a SPARC makefile to build just one lgamma source file with
> -fno-rounding-math would work around the problem until you can work out
> where the problem really lies (likely a compiler bug)?  All these tests
> relate to lgamma (gamma is a alias of lgamma) or tgamma (which works by
> exp (lgamma)) so it looks rather like only one source file is involved.

David,

is this really my change to build all of libc with -frounding-math? Just 
remove -frounding-math from Makeconfig (it has +math-flags = 
-frounding-math) to check...

Andreas
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