coinor-libclp-dev 1.17.5+repack1-1 (riscv64 binary) in ubuntu focal

 Clp (Coin-or linear programming) is an open-source linear programming solver
 written in C++. It is primarily meant to be used as a callable library, but a
 basic, stand-alone executable version is also available. It is designed to
 find solutions of constrained linear mathematical optimization problems.
 .
 This package contains the header files for developers.