Re: [AMBER-Developers] Gfortran 4.1 with master branch

From: MengJuei Hsieh <mengjueh.uci.edu>
Date: Fri, 29 Apr 2011 15:02:24 -0700

We can always use ifort, it's not a big deal locally. We all know that gcc
4.1 is not ideal and buggy, but it used to work.

Best,

-- 
Mengjuei Hsieh, Molecular Biology & Biochem, Univ. of California Irvine.
> From: "B. Lachele Foley" <lfoley.uga.edu>
> Reply-To: AMBER Developers Mailing List <amber-developers.ambermd.org>
> Date: Fri, 29 Apr 2011 21:09:56 +0000
> To: AMBER Developers Mailing List <amber-developers.ambermd.org>
> Subject: Re: [AMBER-Developers] Gfortran 4.1 with master branch
> 
> The 4.1.x compilers are known buggy.
> 
> RHEL 5 (is that what you're using?) has a gcc4.4.0 option.  That can work.
> Somewhere in the reflector, there is a detailed description how to deal with
> that.  I do recommend changing /usr/local in that discussion to /opt.  I can
> help if you need.
> 
> :-) Lachele
> 
> Dr. B. Lachele Foley
> Complex Carbohydrate Research Center
> The University of Georgia
> Athens, GA USA
> lfoley.uga.edu
> http://glycam.ccrc.uga.edu
> 
> ________________________________________
> From: MengJuei Hsieh [mengjueh.uci.edu]
> Sent: Friday, April 29, 2011 4:47 PM
> To: AMBER Developers Mailing List
> Subject: [AMBER-Developers] Gfortran 4.1 with master branch
> 
> Hi,
> 
> I can report that gfortran 4.1 no longer builds sander anymore. Here is the
> error:
> gfortran -c -O3 -ffree-form   -o constants.o _constants.f
> _constants.f:0: internal compiler error: in gfc_conv_array_initializer, at
> fortran/trans-array.c:3460
> Please submit a full bug report,
> with preprocessed source if appropriate.
> See <URL:http://bugzilla.redhat.com/bugzilla> for instructions.
> make: *** [constants.o] Error 1
> 
> I was using gfortran 4.1.2 on Linux and I know it happened after version
> c5904504 . The changes to constants.f look legit and gfortran 4.1 probably
> can't handle reshape intrinsic correctly anyway. My suggestion is to retire
> gcc 4.1 from the compatibility list (if there is a list).
> 
> 
> P.S. I then started to look at g95, which can be installed in user-land
> without messing with the OS, that seems to be promising...
> 
> Best,
> --
> Mengjuei Hsieh, Molecular Biology & Biochem, Univ. of California Irvine.
> 
> 
> 
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> 
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Received on Fri Apr 29 2011 - 15:30:03 PDT