[Bug 209985] math/blas: pkg installation doesn't provide a usable library

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=209985

            Bug ID: 209985
           Summary: math/blas: pkg installation doesn't provide a usable
                    library
           Product: Ports & Packages
           Version: Latest
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: Individual Port(s)
          Assignee: maho at FreeBSD.org
          Reporter: gw.fossdev at gmail.com
             Flags: maintainer-feedback?(maho at FreeBSD.org)
          Assignee: maho at FreeBSD.org

Hello, 

when installing the pre-compiled math/blas package the library is not in a
usable state: The library requires libgfortran.so.3 which in turn links against
libgcc_s.so.1. 

Of the latter a version is installed in /lib/ that is too old to be used by 
libgfortran.so.3 and running a program linked against libblas.so.2 will
complain about requiring some version 4.6 of libgcc_s.so.1. 

One can work around this bug by manually deleting /lib/libgcc_s.so.1, because
then the version from the gcc package that was pulled in is used, but this is
located in /usr/local/lib/gcc48 (in my case).

I'm completely new to FreeBSD, so maybe there is a better way to resolve this.

Best, 
Gert

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