store/[org.clojure/clojure "1.8.0"] clj::clojure.core/*clojure-version*

Official Documentation

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Docstring
==================================================
  The version info for Clojure core, as a map containing :major :minor 
  :incremental and :qualifier keys. Feature releases may increment 
  :minor and/or :major, bugfix releases will increment :incremental. 
  Possible values of :qualifier include "GA", "SNAPSHOT", "RC-x" "BETA-x"

Source

  (def ^:dynamic *clojure-version*
    (if (.contains version-string "SNAPSHOT")
      (clojure.lang.RT/assoc clojure-version :interim true)
      clojure-version))

Example 1

Edit
;; On an old version of Clojure

*clojure-version*
;; => {:interim true, :major 1, :minor 2, :incremental 0, :qualifier "master"}

Uses on crossclj