You'll need the following dependencies:
- glib-2.0
- gobject-2.0
- granite >=6.2.0
- gtk+-3.0
- libchamplain-0.12-dev
- libchamplain-gtk-0.12-dev
- libclutter-1.0-dev
- libclutter-gtk-1.0-dev
- libecal-2.0
- libedataserver-1.2
- libgdata-dev
- libgeoclue-2-dev
- libgeocode-glib-dev
- libhandy-1-dev >= 0.90.0
- libical
- meson
- valac
Run meson build to configure the build environment. Change to the build directory and run ninja to build
meson build --prefix=/usr
cd build
ninjaTo install, use ninja install, then execute with io.elementary.tasks
ninja install
io.elementary.tasks