arpack: propagate isILP64 flag from BLAS

+2
+2
pkgs/development/libraries/science/math/arpack/default.nix
··· 56 install_name_tool -change libblas.dylib ${blas}/lib/libblas.dylib $out/lib/libarpack.dylib 57 ''; 58 59 meta = { 60 homepage = "https://github.com/opencollab/arpack-ng"; 61 description = ''
··· 56 install_name_tool -change libblas.dylib ${blas}/lib/libblas.dylib $out/lib/libarpack.dylib 57 ''; 58 59 + passthru = { inherit (blas) isILP64; }; 60 + 61 meta = { 62 homepage = "https://github.com/opencollab/arpack-ng"; 63 description = ''