GCC 7.1 on RHEL 6 64 bit compiles Fortran as 32 bit -


i have managed compile gcc 7.1 on rhel 6 64 bit configure --prefix=/opt/gcc-7.1. unfortunately, compiling gfortran produces 32 bit binaries default.

how can tell gfortran compile 64 bit , use /opt/gcc-7.1/lib64 in rpath default?

suprisingly, system-bundled gfortran 64 bit default.


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