diff --git a/External/AtlasDCACHE/cmt/requirements b/External/AtlasDCACHE/cmt/requirements
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+package AtlasDCACHE
+
+author David Quarrie <David.Quarrie@cern.ch>
+
+# This package controls access to the LCG dcache_client package
+
+include_path none
+
+use AtlasExternalArea AtlasExternalArea-* External
+
+# At the request of the remote sites, do not setup any dcache run-time environment. Only
+# the -I<path> and -L<path> -l<library> are setup at build time. The useDCACHE tag can be
+# used to override this default.
+
+macro dache_use  "" useDCACHE "dcache_client v* LCG_Interfaces"
+use ${dache_use}
+