我最近从 Windows 切换到 Mac，我需要使用“greenbrown”包来运行一些代码。但是，当我尝试按照在线说明进行安装时，我收到错误，我认为这些错误与 gfortran 有关？我尝试从 tar.gz 安装“strucchange”，但没有帮助。命令：
install.packages("greenbrown", repos="http://R-Forge.R-project.org")
错误消息：
ld: warning: directory not found for option '-L/usr/local/gfortran/lib/gcc/x86_64-apple-darwin18/8.2.0'
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: *** [strucchange.so] Error 1
ERROR: compilation failed for package ‘strucchange’ removing ‘/Library/Frameworks/R.framework/Versions/4.1/Resources/library/strucchange’
Warning in install.packages : installation of package ‘strucchange’ had non-zero exit status
ERROR: dependencies ‘strucchange’, ‘forecast’ are not available for package ‘bfast’ removing ‘/Library/Frameworks/R.framework/Versions/4.1/Resources/library/bfast’
Warning in install.packages : installation of package ‘bfast’ had non-zero exit status
ERROR: dependencies ‘SDMTools’, ‘jpeg’, ‘bcp’, ‘strucchange’ are not available for package ‘phenopix’ removing ‘/Library/Frameworks/R.framework/Versions/4.1/Resources/library/phenopix’ Warning in install.packages : installation of package ‘phenopix’ had non-zero exit status
ERROR: dependencies ‘strucchange’, ‘Kendall’, ‘bfast’, ‘phenopix’, ‘quantreg’ are not available for package ‘greenbrown’ removing ‘/Library/Frameworks/R.framework/Versions/4.1/Resources/library/greenbrown’
Warning in install.packages : installation of package ‘greenbrown’ had non-zero exit status
答案1
尝试这个，
步骤1 重新安装
brew reinstall gcc
步骤2 检查警告信息中提到的目录。如果不存在，请创建它们。复制 gfortran 库.../lib/gcc/x/。到目录。
步骤3 重试安装包。