Compiling Vim (but it doesn’t work)

On a new installation:
======================
sudo apt-get install libncurses5-dev libgnome2-dev libgnomeui-dev \
libgtk2.0-dev libatk1.0-dev libbonoboui2-dev \
libcairo2-dev libx11-dev libxpm-dev libxt-dev python-dev ruby-dev mercurial
sudo apt-get install checkinstall

sudo apt-get remove vim vim-runtime gvim
sudo apt-get remove vim-tiny vim-common vim-gui-common

cd ~
mkdir local_code
cd local_code
mkdir vim
hg clone https://code.google.com/p/vim/

After having done this at least once before now:
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dpkg -r vim

cd ~/local_code/vim
hg purge
hg pull
hg update -C

After whichever you did:
========================
#except this next thing might be just doable the first time. May as well re-do.

./configure --with-features=huge \
            --enable-rubyinterp \
            --enable-pythoninterp \
            --enable-luainterp \
            --with-python-config-dir=/usr/lib/python2.7-config \
            --enable-perlinterp \
            --enable-gui=gtk2 \
            --enable-cscope \
            --prefix=/usr
make VIMRUNTIMEDIR=/usr/share/vim/vim74
sudo checkinstall

#no idea if these are necessary after 1st time, but it seems likely enough
#dpkg -r would unset these.
sudo update-alternatives --install /usr/bin/editor editor /usr/bin/vim 1
sudo update-alternatives --set editor /usr/bin/vim
sudo update-alternatives --install /usr/bin/vi vi /usr/bin/vim 1
sudo update-alternatives --set vi /usr/bin/vim