[mpich-discuss] configuration issues: complex.h and CROSS_F77_SIZEOF_INTEGER

[Lou Cetinich]

I only need Fortran. 

(In fact, apart from exhaustive testing, and the endpoint target of a production build), I’d otherwise be happy to disable everything else… (!)

Lou

On Apr 8, 2015, at 11:47 PM, Thakur, Rajeev <thakur at mcs.anl.gov> wrote:

> If you don't need to use Fortran, you can configure with --disable-fortran.
> 
> Rajeev
> 
> On Apr 8, 2015, at 10:36 PM, Lou Picciano <loupicciano at comcast.net> wrote:
> 
>> Attempting to configure mpich-3.2b1 for the SolarisStudio12.4 suite...
>> 
>> Issues around complex.h (Yes, I'll have to look for prerequisites)
>> 
>> and the message about FORTRAN integer length - which seems to have been dealt with a couple of years ago, and only in the ifort context?
>> 
>> CROSS_F77_SIZEOF_INTEGER seems to be ignored; I've tried all of 1,2,4,8...
>> 
>> Many thanks!
>> 
>> checking complex.h presence... yes
>> configure: WARNING: complex.h: present but cannot be compiled
>> configure: WARNING: complex.h:     check for missing prerequisite headers?
>> configure: WARNING: complex.h: see the Autoconf documentation
>> configure: WARNING: complex.h:     section "Present But Cannot Be Compiled"
>> configure: WARNING: complex.h: proceeding with the compiler's result
>> configure: WARNING:     ## -------------------------------- ##
>> configure: WARNING:     ## Report this to discuss at mpich.org ##
>> configure: WARNING:     ## -------------------------------- ##
>> checking for complex.h... no
>> checking size of _Bool... 0
>> checking size of float _Complex... 0
>> checking size of double _Complex... 0
>> checking size of long double _Complex... 0
>> checking for _Bool... no
>> checking for float _Complex... no
>> checking for double _Complex... no
>> checking for long double _Complex... no
>> checking for size of Fortran type integer... 0
>> checking for size of Fortran type real... 0
>> checking for size of Fortran type double precision... 0
>> checking whether integer*1 is supported... yes
>> checking whether integer*2 is supported... yes
>> checking whether integer*4 is supported... yes
>> checking whether integer*8 is supported... yes
>> checking whether integer*16 is supported... no
>> checking whether real*4 is supported... yes
>> checking whether real*8 is supported... yes
>> checking whether real*16 is supported... yes
>> configure: error: Unable to configure with Fortran support because configure could not determine the size of a Fortran INTEGER.  Consider setting CROSS_F77_SIZEOF_INTEGER to the length in bytes of a Fortran INTEGER
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