libgdata is a GLib-based library for accessing online service APIs
using the GData protocol most notably, Google's services. It provides
APIs to access the common Google services, and has full asynchronous
support.
Below variables can be used to configure the build:
GTKDOC=yes : Builds gtkdocs
INSTROSPECTION=no : Disable the introspection generation
TESTS=yes : Build & install test programs
VAPI=no : Disable creation of vapi files
OAUTH=yes : Enable OAuth 1.0 support (deprecated)
MAN=yes : Generate man pages