[Pw_forum] Installing QE 4.0.5 on Mac Pro

[Gabriele Sclauzero]

Cristian Degli Esposti Boschi wrote:
>  >As you pointed this out I checked my config.log and I see the same 
>  >warning when compiling
>  >with ifort/icc, but it seems to make no harm at the end. Maybe the 
>  >problem is in the GCC
>  >compiler (I suppose you're using gcc, am I right?). Which version are 
>  >you using?
> 
> 
> gcc version 4.0.1 (Apple Inc. build 5490)
> [others available 4.3.3 (GCC) and gcc 4.2.1 (Apple Inc. build 5566)]

Have you tried with 4.3.x for instance (not Apple build)? There should be also 4.4.x 
available.
Anyway, if you really want to do big calculations on a Mac with Intel CPU, I strongly 
suggest to use ifort/icc (for simple tests on pw.x I found that the speed-up can be huge). 
It is not free for Mac, but you can buy student/academic licenses (I bought a student 
suite for 40 euros, with ifort, icc, mkl, idb, ipp, ... all included).

GS

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