# Note: depends on m4
wget -c http://ftp.gnome.org/pub/GNOME/sources/libsigc++/3.0/libsigc++-3.0.3.tar.xz
tar -xJf libsigc++-3.0.3.tar.xz
cd libsigc++-3.0.3
mkdir -p builddir
cd builddir
../configure --prefix="/usr"
make # Doesn't mind -j#
make install