Install capnproto on Ubuntu Precise LTS (12.04)

gistfile1.txt

sudo add-apt-repository ppa:ubuntu-toolchain-r/test
sudo apt-get update
sudo apt-get install gcc-4.7 g++-4.7 subversion git
# note: you can also use update-alternatives to map gcc to gcc-4.7
export CC=gcc-4.7
export CXX=g++-4.7
git clone https://github.com/kentonv/capnproto.git
cd capnproto/c++
./setup-autotools.sh
autoreconf -i && ./configure && make -j6 check && sudo make install