On Wed, 30 Jan 2019 at 21:11, Ike Stoddard <[email protected]>
wrote:
> These three, supposedly.
> *which gfortran gfortran-5 gfortran-6*
> provides
> /usr/bin/gfortran
> /usr/bin/gfortran-5
> /usr/bin/gfortran-6
>
> and commanding *gfortran{version} -v*
> *gives*
> gcc version 8.2.1 20181127 (GCC)
> gcc version 5.5.0 (GCC)
> gcc version 6.4.1 20180809 (GCC)
>
> and libgfortran is found for the latter:
> /usr/lib/gcc/x86_64-pc-linux-gnu/5.5.0/libgfortran.so.3
> /usr/lib/gcc/x86_64-pc-linux-gnu/6.4.1/libgfortran.so.3
>
> but the latest is found as
> /usr/lib/libgfortran.so.5
>
> *./configure CC=gcc-6 CXX=g++-6 FC=gfortran-6*
>
> *MAKE="make -j2" make*
> was used to command the build.
>
have you checked that configure accepted FC you supplied, and there were no
attempt to build gfortran by Sage?
(e.g. look for logs/pkgs/gfortran, or look what you got in config.log)
> Should I try adding
> -Wl,-rpath -Wl,/usr/lib/gcc/x86_64-pc-linux-gnu/6.4.1/
> ????
> But where ???
>
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