# Note: depends on perl
# Note: depends on cmake (autotools/configure is no longer supported)
wget -c https://github.com/libical/libical/releases/download/v3.0.3/libical-3.0.3.tar.gz
tar -xzf libical-3.0.3.tar.gz
cd libical-3.0.3
mkdir -p build
cd build
cmake -DCMAKE_INSTALL_PREFIX="/usr" ..  ||  cmake -DCMAKE_INSTALL_PREFIX="/usr" -DICAL_GLIB=false ..
make # Doesn't mind -j#
make install