wheezy

Source

Source (6mn of compilation)

apt-get install libpng-dev fontconfig libfreetype6-dev libfontconfig1-dev libjpeg8-dev libtiff5-dev libgif-dev
wget http://origin-download.mono-project.com/sources/libgdiplus/libgdiplus-2.6.7.tar.bz2
tar -jxf libgdiplus-2.6.7.tar.bz2
cd libgdiplus-2.6.7
./configure --prefix=/usr/local; make; make install
export LD_LIBRARY_PATH=/usr/local/lib

apt-get install bzip2 make gcc g++ bison gettext pkg-config glib-2.0 libglib2.0-dev
wget http://origin-download.mono-project.com/sources/mono/mono-2.6.7.tar.bz2
tar -jxf mono-2.6.7.tar.bz2
cd mono-2.6.7
./configure --prefix=/usr/local; make; make install

apt-get remove monodoc-browser
deb http://debian.meebey.net/experimental/mono /
apt-get update
apt-get install mono-complete