Do not add geoclue dependency yet:
Complains it's not new enough, apparently wants
an untagged version (2.5.1 is latest tag)
checking for libgeoclue-2.0 >= 2.5.2... no
configure: error: Package requirements (libgeoclue-2.0 >= 2.5.2) were
not met:
Requested 'libgeoclue-2.0 >= 2.5.2' but version of Geoclue Client
Library is 2.5.1