[Users] compilation problem on x86-64

[Babiuc-Hamilton, Maria]

Hi,

I found on the web that x86-64 CPUs do not support require 16-bytes precision, and gfortran 4.5 supports only up to kind=10. I compiled just fine using ifort on another x86-64, but it seems that the intel compilers can do this in software. The new gfortran 4.6 would support a quad precision in software. Was anybody successful in compiling on a x86-64 with GNU compilers? 

best,
Maria

________________________________________
From: users-bounces at einsteintoolkit.org [users-bounces at einsteintoolkit.org] on behalf of Babiuc-Hamilton, Maria [babiuc at marshall.edu]
Sent: Friday, February 11, 2011 9:30 PM
To: users at einsteintoolkit.org
Subject: [Users] compilation problem on 10.10 ubuntu

Hello,

I have problems compiling einsteintoolkit on Ubuntu 10.10 with gnu 4.4 or 4.5 compilers. The errors are:

H5fortran_detect.f90:164.26:

    REAL(KIND=          16 ) :: a
                          1
Error: Kind 16 not supported for type REAL at (1)
H5fortran_detect.f90:167.21:

    a_size = SIZEOF(a)
                     1
Error: Symbol 'a' at (1) has no IMPLICIT type
make[4]: *** [H5fortran_detect.o] Error 1
make[3]: *** [all-recursive] Error 1
make[2]: *** [all-recursive] Error 1
Building HDF5...

CST error 1:
  -> Configuration script for thorn HDF5 returned exit code 1
     (no error message)

Maria
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