Plumb VERSION_QUALIFIER through to package metadata

Author: mark-vieira

.buildkite/dra-workflow.trigger.sh

@@ -36,7 +36,7 @@ EOF
       branch: "$BRANCH"
       env:
         DRA_WORKFLOW: staging
-        VERSION_QUALIFIER: alpha1
+        VERSION_QUALIFIER: "-alpha1"
 EOF
 	fi
 done

CMakeLists.txt

@@ -42,7 +42,7 @@ endif (${WIN32})
 cmake_policy(SET CMP0048 NEW)
 # explicit languages support (Cs are defaults)
 project(${DRIVER_BASE_NAME}
-	VERSION ${DRV_VERSION}
+	VERSION ${DRV_VERSION}${VERSION_QUALIFIER}
 	LANGUAGES CXX C)
 
 if (${IS_UNICODE})