铛：错误：链接器命令失败，退出代码为1（使用-v查看调用）使：*** [classInt.so]错误1

Question

我正在使用macOS Catalina，并在遇到此错误ld: warning: directory not found for option '-L/usr/local/gfortran/lib/gcc/x86_64-apple-darwin15/6.1.0' ld: warning: directory not found for option '-L/usr/local/gfortran/lib' ld: library not found for -lgfortran clang: error: linker command failed with exit code 1 (use -v to see invocation) make: *** [classInt.so] Error 1 ERROR: compilation failed for package ‘classInt’时尝试在r中安装lidaR软件包。我安装X Quartz修复以前尝试安装软件包时收到的“找不到X11”错误后，此错误是新的。任何帮助将不胜感激，谢谢。