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From: "kevinecahill at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug fortran/61928] a fortran90 program compiles on hopper at NERSC but not under gfortran 4.9.0
Date: Sun, 27 Jul 2014 23:41:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61928

--- Comment #4 from Kevin Cahill <kevinecahill at gmail dot com> ---
Thanks.
That sounds sensible.
I will check it.

Best wishes,
Kevin

Kevin Cahill
Professor of Physics & Astronomy
Physics Dept. 1919 Lomas NE, MSC 07 4220 
University of New Mexico 
Albuquerque, NM 87131-0001

kevinecahill@gmail.com   cahill@unm.edu   505 205 5448  



On Jul 27, 2014, at 3:10 PM, jvdelisle at gcc dot gnu.org
<gcc-bugzilla@gcc.gnu.org> wrote:

> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61928
> 
> Jerry DeLisle <jvdelisle at gcc dot gnu.org> changed:
> 
>           What    |Removed                     |Added
> ----------------------------------------------------------------------------
>                 CC|                            |jvdelisle at gcc dot gnu.org
> 
> --- Comment #3 from Jerry DeLisle <jvdelisle at gcc dot gnu.org> ---
> With you attachment, I am getting this:
> 
> /tmp/ccBACux5.o: In function `dgefa.2334':
> pr61928.f90:(.text+0x1282): undefined reference to `idamax_'
> /tmp/ccBACux5.o: In function `dgedi.2345':
> pr61928.f90:(.text+0x19fa): undefined reference to `dscal_'
> pr61928.f90:(.text+0x1aba): undefined reference to `daxpy_'
> pr61928.f90:(.text+0x1c2d): undefined reference to `daxpy_'
> pr61928.f90:(.text+0x1cbd): undefined reference to `dswap_'
> collect2: error: ld returned 1 exit status
> 
> I did not link this with anything. The four last listed procedures listed are
> not defined in the attachment, although used.
> 
> In subroutine dgefa, idamax is defined as an integer. If I delete that line,
> the undefined reference to idamax_ goes away.  The last four references I
> suspect are in the BLAS library that I am not linked to at the moment.
> 
> -- 
> You are receiving this mail because:
> You reported the bug.