diff --git a/pkgs/development/libraries/science/math/ipopt/default.nix b/pkgs/development/libraries/science/math/ipopt/default.nix index 325a6b82a6f9..f7d4714701bc 100644 --- a/pkgs/development/libraries/science/math/ipopt/default.nix +++ b/pkgs/development/libraries/science/math/ipopt/default.nix @@ -5,7 +5,7 @@ , blas , lapack , gfortran -, enableAMPL ? stdenv.isLinux, libamplsolver +, enableAMPL ? true, libamplsolver }: assert (!blas.isILP64) && (!lapack.isILP64);