# Note: depends on m4
wget -c http://ftp.gnome.org/pub/GNOME/sources/libsigc++/2.6/libsigc++-2.6.2.tar.xz
tar -xJf libsigc++-2.6.2.tar.xz
cd libsigc++-2.6.2
mkdir -p builddir
cd builddir
../configure --prefix="/usr"
make # Doesn't mind -j#
make install