CFLAGS="$RPM_OPT_FLAGS" LDFLAGS="-lm" waf configure --prefix=%{_prefix} -> waf configure --prefix=%{_prefix} --no-runtime-deps All python modules are not needed in runtime, don't check them. Also, the package is noarch, optflags is not needed. Chen Lei -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel