Mac OSX 安装PIL方法：
tar -zxvf Imaging-1.1.7.tar.gz
chmod -R 755 . cd Imaging-1.1.7 sudo python setup.py install 安装出错，Error信息： ～～～～～～～～～～～～ /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.12.sdk/usr/include/tk.h:78:11: fatal error: 'X11/Xlib.h' file not found # include <X11/Xlib.h> ～～～～～～～～～～～～ 解决对策两步： 1.确认/usr/local/include/X11链接文件目录 $ cd /usr/local/include/ $ ll total 24 drwxrwxr-x 6 mybook admin 204 Mar 8 12:17 . drwxr-xr-x 13 root wheel 442 Jan 10 18:52 .. lrwxr-xr-x 1 mybook admin 162 Mar 8 12:17 X11 -> /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.9.sdk/System/Library/Frameworks/Tk.framework/Versions/8.5/Headers/X11 2.修改环境变量CPPFLAGS／CFLAGS，值就是第一部中的链接文件目录 export CPPFLAGS=-I/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.9.sdk/System/Library/Frameworks/Tk.framework/Versions/8.5/Headers/X11