[Octave-bug-tracker] [bug #49520] Atempts to use wrong libary

[anonymous]

URL:
  <http://savannah.gnu.org/bugs/?49520>

                 Summary: Atempts to use wrong libary
                 Project: GNU Octave
            Submitted by: None
            Submitted on: Thu 03 Nov 2016 12:11:19 AM UTC
                Category: Configuration and Build System
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Build Failure
                  Status: None
             Assigned to: None
         Originator Name: Glen
        Originator Email: address@hidden
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 4.0.3
        Operating System: GNU/Linux

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Details:

Computer: VMware Workstation 11.1.4 build-3848939 Running on Windows 10
Operating System: Kubuntu 16.04
Build Commands:
./configure --prefix=/usr --enable-64 << Error Here
make CFLAGS=-O CXXFLAGS=-O LDFLAGS=
make install

Prior to Attempting to build Octave I build openBLAS as 64 bit installed to
/usr/lib/libopenblas.so, Late analysis of my system showed that there was also
an existing 32 bit version of BLAS (unknown vendor) install as
/usr/lib/libblas.so

When I run configure, it attempts to us /usr/lib/libblas.so despite it being
incomparable with the --enable-64 flag I passed resulting in a Error stating
that BLAS doesn't support 64-bit indexing.

This error can be bypassed using the command:
./configure --prefix=/usr --enable-64 --with-blas=libopenblas

However I believe that the configure script should be selecting the compatible
version of BLAS automatically i.e. rather than choose a version of BLAS and
then later check it its compatible these step should be combined so that if
the first chosen BLAS Fails, it proceeds to try the next version of BLAS

Note: On another computer running the same operating system overall build
script works with out using the --with-blas flag
     Computer: Dell OptiPlex 9020
     Operating System: Kubuntu 16.04
This would indicate that the configure script is able to find and use
libopenblas, its simply choosing to use a different version on my VMware
instances.

P.S. I've attached the (unmodified) System Setup Script I've been using, its
been used to setup the systems immediately after installing the OS.



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File Attachments:


-------------------------------------------------------
Date: Thu 03 Nov 2016 12:11:19 AM UTC  Name: setup_system.sh  Size: 2kB   By:
None

<http://savannah.gnu.org/bugs/download.php?file_id=38871>

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