[PATCH, libgfortran]: Fix PR59313, gfortran.dg/erf_3.F90 FAILs

[Rainer Orth]

Tobias Burnus <burnus@net-b.de> writes:

> Rainer Orth wrote:
>> Unfortunately, this breaks Solaris/SPARC bootstrap:
>>
>> /vol/gcc/src/hg/trunk/local/libgfortran/intrinsics/erfc_scaled.c:64:22: error: 'M_2_SQRTPIl' undeclared (first use in this function)
>>   # define _M_2_SQRTPI M_2_SQRTPIl
>>
>> It seems M_2_SQRTPI[lq] are GNU extensions, thus missing in Solaris
>> <math.h>.  The following patch at least allows Solaris bootstrap to
>> continue:
>
> The patch is looks good to me.

Thanks.  I'll commit it with a proper ChangeLog entry after testing completes.

>> diff --git a/libgfortran/intrinsics/erfc_scaled.c b/libgfortran/intrinsics/erfc_scaled.c
>> +# ifndef M_2_SQRTPIl
>> +#  define M_2_SQRTPIl 1.128379167095512573896158903121545172L
>> +# endif
>>
>> I suppose the same should be done for M_2_SQRTPIq?
>
> I don't think so. That's defined in libquadmath's quadmath.h, which is part
> of GCC.

Ah, that explains why I couldn't find the definition even in current git
glibc :-)

	Rainer

-- 
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Rainer Orth, Center for Biotechnology, Bielefeld University