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From: Ada novice <shai.lesh@gmx.com>
Newsgroups: comp.lang.ada
Subject: Re: Free AMD Core Math Library (BLAS/LAPACK) + Ada
Date: Sun, 15 Jul 2012 06:22:10 -0700 (PDT)
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Date: 2012-07-15T06:22:10-07:00
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On Sunday, July 15, 2012 12:25:49 PM UTC+1, Simon Wright wrote:
> -largs -v gives the -v (verbose) switch to gnatlink. If you want to give
>  -v to the system linker, ld, you would say
> 
>    -largs -Wl,-v
> 
> (*exactly* as typed!)

OK. With SPACE after "WI," I get with gnatmake *.adb -largs -WI, -v -lblas:

gnatbind -x example1.ali
gnatlink example1.ali -WI, -v -lblas

GNATLINK 4.4.6
Copyright (C) 1995-2008, Free Software Foundation, Inc.
gcc-4 -c -gnatA -gnatWb -gnatiw -gnatws /home/yc/work/ada/testblas/Ada_BLAS/b~example1.adb
/usr/bin/gcc-4.4 b~example1.o ./ada_blas.o ./ada_blas-real.o ./example_support.o ./example1.o -WI, -lblas -o example1 -L./ -L/usr/lib/gcc/i486-linux-gnu/4.4/adalib/ -lgnat-4.4 -shared-libgcc
/usr/bin/ld: cannot find -lblas
collect2: ld returned 1 exit status
gnatlink: error when calling /usr/bin/gcc-4.4
gnatmake: *** link failed.

> LD_LIBRARY_PATH is used at run time to tell the program loader where to
> find extra shared libraries; what you need is to tell the linker where
> to find extra shared libraries. Use LIBRARY_PATH as well.

my $HOME.bashrc file had the following lines:

export LD_LIBRARY_PATH=/usr/lib/i386-linux-gnu/:/usr/lib/atlas-base/:/usr/lib/atlas-base/atlas/
export LIBRARY_PATH=/usr/lib/i386-linux-gnu/

and I modified LIBRARY_PATH to have the same contents as LD_LIBRARY_PATH i.e.
/usr/lib/i386-linux-gnu/:/usr/lib/atlas-base/:/usr/lib/atlas-base/atlas/

but I get the same error messages.

YC