pip某些软件包安装异常及处理
♠ psycopg2包 psycopg2 安装时,报错如下:12345$ pip install psycopg2==2.8.4ld: library not found for -lsslclang: error: linker command failed with exit code 1 (use -v to see invocation)error: command 'xcr
♠ psycopg2包 psycopg2 安装时,报错如下:12345$ pip install psycopg2==2.8.4ld: library not found for -lsslclang: error: linker command failed with exit code 1 (use -v to see invocation)error: command 'xcr