toolchain/test-wrap.nixA package-local compiler adapter; the shared compiler derivation is unchanged.λpkgsλold 4preConfigure=old.preConfigure or ""+export FILNIX_WRAP_CC="$CC"export FILNIX_WRAP_NM=${pkgs.binutils}/bin/nmexport FILNIX_WRAP_OBJCOPY=${pkgs.binutils}/bin/objcopyexport CC="${pkgs.python3}/bin/python3 ${./filc-test-wrap.py}"