[CP2K-user] [CP2K:19403] Re: cp2k compilation fail on grid_cpu_collocate.c

[Ole Schütt]

The Spack package for CP2K is currently receiving a lot of attention:
  
  
https://github.com/spack/spack/commits/develop/var/spack/repos/builtin/packages/cp2k

I'd suggest you check back again in a few weeks or reach out to the package 
maintainers directly.

-Ole
On Thursday, October 19, 2023 at 10:04:55 PM UTC+2 Mario A Bianchet wrote:

> Hey Ole
>
> I am using spack to install it with gcc12.1
>
> On Thursday, October 19, 2023 at 6:44:33 AM UTC-4 Ole Schütt wrote:
>
>> Hi Mario,
>>
>> > The variable DBL_DECIMAL_DIG; is now declared in cfloat.h not anymore 
>> in float.h
>>
>> I believe this only applies to C++. Since grid_cpu_collocate.c is a C 
>> file, the float.h header should still be correct.
>>
>> Your build probably fails because you selected an older standard. The 
>> DBL_DECIMAL_DIG macro was only added in the C11.
>>
>> -Ole
>>
>> On Thursday, October 19, 2023 at 5:33:12 AM UTC+2 Mario A Bianchet wrote:
>>
>>> Hello 
>>> cp2k 2023.2 verion
>>> The variable  DBL_DECIMAL_DIG; is  now declared in cfloat.h not anymore 
>>> in float.h
>>> error:
>>>
>>>     327       47 |   const int D = DBL_DECIMAL_DIG;
>>>      328          |                 ^~~~~~~~~~~~~~~
>>>      329          |                 DECIMAL_DIG
>>>      330   
>>>  /tmp/mbianch1/spack-stage/spack-stage-cp2k-2023.2-du533sl6bhg7revw3abcejktx7qaqm3w/spack-src/src/grid/cpu/grid_cpu_collocate.c:47:17: 
>>> note: each undeclared identifier is reported only once ,,,
>>>
>>> Mario
>>>
>>

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