thanks tony, just giving this a try from scratch. to be honest, I dont' 
know the exact age of those processors. Let me see how far I get without 
those newer binutils.

On Monday, 30 June 2014 23:17:00 UTC+1, Tony Kelman wrote:
>
> That arrayops.jl test failure is because you're missing an LLVM patch, see 
> https://github.com/JuliaLang/julia/issues/7197#issuecomment-46688404
>
> A lot of these build customization options should be better-documented, 
> especially for the heterogenous-processor case. Don't copy Make.inc to 
> Make.user, rather create a new Make.user from scratch where you set only 
> the options you need to change from their defaults.
>
> If you have both Intel and AMD processors, you will definitely need to 
> have OPENBLAS_DYNAMIC_ARCH enabled. Are any of your processors new enough 
> to support AVX instructions? If so, you'll need a newer version of binutils 
> than provided by Red Hat 6. See 
> https://github.com/JuliaLang/julia/issues/7363#issuecomment-46927356
>
> I'll open a pull request shortly to add another OpenBLAS build option to 
> disable AVX instructions for when you need DYNAMIC_ARCH but installing 
> newer binutils is not possible.
>
>
> On Monday, June 30, 2014 2:56:48 PM UTC-7, Florian Oswald wrote:
>>
>> additional to that, `make testall` errors with this:
>>
>> while loading arrayops.jl, in expression starting on line 895
>>
>> ERROR: test failed: i7197() == (2,2)
>>
>>
>> On 30 June 2014 22:50, Florian Oswald <florian...@gmail.com> wrote:
>>
>>> Hi all,
>>>
>>> I've got some very basic questions about building Julia from source on 
>>> an hpc cluster. I got it to build fine a month ago, but now the makefile 
>>> changed. I was partially  succesful this time as well (my test runs), but 
>>> some strange things happen and there's a lot of stuff in that makefile I 
>>> dont' understand.
>>>
>>>    - I can't get Make.user to work. My understanding was that i `cp 
>>>    Make.inc Make.user`, then change the options I want changed, then 
>>> `make`? 
>>>    Nothing happens. Do I have to delete Make.inc after having made my copy? 
>>>    - I needed to set `JULIA_CPU_TARGET=core2` when I last got it to 
>>>    build. The cluster is built out of several different CPU types, so not 
>>>    setting this resulted in target mismatch errors. I can't find that line 
>>>    anymore in the current Make.inc, so I changed 
>>>    https://github.com/JuliaLang/julia/blob/master/Make.inc#L345 from 
>>>
>>>          JULIA_CPU_TARGET ?= native
>>> to
>>>          JULIA_CPU_TARGET = core2
>>>
>>>    - Is this still recommended practice or should I not touch this at 
>>>    all?
>>>    - the openblas default build failed. I set this: 
>>>    - OPENBLAS_DYNAMIC_ARCH=0
>>>    - OPENBLAS_USE_THREAD=0
>>>    - OPENBLAS_TARGET_ARCH=BARCELONA 
>>>    - It says in the trouble-shooting section on 
>>>    https://github.com/JuliaLang/julia/readme.md that a possibel 
>>>    solution to problems is to set the last variable to BARCELONA for AMD 
>>> and 
>>>    NEHALEM for Intel. What if I have both CPUs? Does it matter? 
>>>    - With those settings it compiles, and my little test script runs. 
>>>    However, I get this error/warning from all workers:
>>>    - ./julia: /lib64/libz.so.1: no version information available 
>>>    (required by /data/uctpfos/git/julia/usr/bin/../lib/libjulia.so) 
>>>    - In case this is helpful, my `cat /proc/version` is:
>>>    - Linux version 2.6.32-279.19.1.el6.x86_64 (mock...@sl6.fnal.gov) 
>>>    (gcc version 4.4.6 20120305 (Red Hat 4.4.6-4) (GCC) ) #1 SMP Tue Dec 18 
>>>    17:22:54 CST 2012 
>>>
>>>
>>>
>>

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