1.先下下来
http://www.pidgin.im/download/
2.解开./configure，肯定会有一堆库需要安装，如下
XScreenSaver extension development headers not found.
libxss-dev
Startup notification development headers not found.
libstartup-notification0-dev
GStreamer development headers not found.
libgstreamer0.10-dev
Meanwhile development headers not found.
libmeanwhile-dev
D-Bus development headers not found.
libdbus-1-dev libdbus-glib-1-dev
NetworkManager development headers not found.
network-manager-dev
Perl development headers not found.
libperl-dev
Tcl development headers not found.
tcl8.4-dev
Tk development headers not found.
tk8.4-dev
GtkSpell development headers not found.
libgtkspell-dev
avahi development headers not found.
libavahi-client-dev libavahi-glib-dev
Neither GnuTLS or NSS SSL development headers found.
libgnutls-dev
还不如一口气都装了，省得麻烦！
sudo apt-get install libxss-dev libstartup-notification0-dev libgstreamer0.10-dev libmeanwhile-dev libdbus-1-dev libdbus-glib-1-dev network-manager-dev libperl-dev tcl8.4-dev tk8.4-dev libgtkspell-dev libavahi-client-dev libavahi-glib-dev libgnutls-dev
3.剩下的就简单了
#./configure
#make
#sudo make install
#pidgin
4.如果有旧版本，会提示 pidgin: undefined symbol: purple_smileys_get_all
执行下面的，删除旧版本就可以了
#sudo apt-get remove pidgin libpurple0