|Subject:||Re: Configure error for Octave 3.4.2 on CentOS 5.6: "A BLAS library was detected but found incompatible with your Fortran 77 compiler settings"|
|Date:||Fri, 29 Jul 2011 17:37:02 +0200|
|User-agent:||Thunderbird 220.127.116.11 (Macintosh/20100228)|
when running `configure` for Octave 3.4.2 on a CentOS 5.6 machine, It ends with "configure: error: A BLAS library was detected but found incompatible with your Fortran 77 compiler settings.". The last lines of the `configure` output are:[...]
I found the solution by trying to compile older versions of octave, where the error messages are much more informative. E.g. when `configure`-in octave 3.2.4:
[...]configure: WARNING: A BLAS library was detected but found incompatible with your Fortran 77 compiler. The reference BLAS implementation will be used. To improve performance, consider using a different Fortran compiler or a switch like -ff2c to make your Fortran compiler use a calling convention compatible with the way your BLAS library was compiled, or use a different BLAS library.
[...]Using `setenv FFLAGS '-ff2c'; ./configure` solved the issue with octave 3.4.2.
Developers: Could you please print out these much more informative error messages again?
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