1在网站上下载源码包：http://pidgin.im
文件名：pidgin-2.0.1.tar.bz2
2 解压：tar jxvf pidgin-2.0.1.tar.bz2
得到目录pidgin-2.0.1
$cd pidgin-2.0.1
3编译安装：
$./configure --prefix=/usr/local/pidgin
出错1：The msgfmt command is required to build libpurple. If it is installed
on your system, ensure that it is in your path. If it is not, install
GNU gettext to continue.
解决：sudo apt-get install gettext
出错2： You must have the GLib 2.0 development headers installed to build.
解决：sudo apt-get install libglib2.0-dev
出错3： You must have the GTK+ 2.0 development headers installed to compile Pidgin.
If you only want to build Finch then specify --disable-gtkui when running configure.
解决： sudo aptitude install libgtk2.0-dev
出错4：You must have libxml2 >= 2.6.0 development headers installed to build.
解决：sudo apt-get install libxml2-dev
$make
$sudo make install
?成安装。
