求大神帮忙

gsyj0521

安装Cygwin需要装这些项目，但是有些项目找不到，这是什么原因？是版本不对吗？

• Category "Devel": install "autoconf", "binutils", "bison", "byacc", "flex", "gcc", "gcc4", "gcc4-fortran", "gcc-g++", "gdb", "make", "makedepend", "openssl-devel".
  
• Category "Editors": [optional] some popular editors that you might want for editing your files include "nedit", "emacs", and "vim".
  
• Category "Graphics": [optional] install "ghostscript" for viewing PostScript files, "ImageMagick" for "convert"
  
• Category "Libs": "expat", "libcurl3", "libexpat-devel", "libgfortran3", "libidn-devel", "libxml2", "libtirpc", "zlib"
  
• Category "Net": `install "libcurl-devel", "libcurl4", and "openssh".
  
• Category "Shells": install "bash", "sh-utils", "pdsh", and "tcsh".
  
• Category "X11": install all of the required packages that the "Installing Cygwin/X" section mentions (see #15 where it lists all the "X11" packages and whether they are required or optional). As of April 2010, the list of packages that we recommend are: