The advanced version comparison was isn't implemeted in meson 0.46,
which is used for CentOS 7 and it caused build issue with development
version of Knot.
message('--- required dependencies ---')
-knot_version = [ '>=2.8', '<3.0.0' ] # this would allow unreleased 3.0.dev
+knot_version = '>=2.8'
libknot = dependency('libknot', version: knot_version)
libdnssec = dependency('libdnssec', version: knot_version)
libzscanner = dependency('libzscanner', version: knot_version)