Update cmake

Author: tharun571

CMakeLists.txt

@@ -33,14 +33,15 @@ set(XCPP_TAGCONFS_DIR ${CMAKE_CURRENT_SOURCE_DIR}/etc/xeus-cpp/tags.d)
 # Versionning
 # ===========
 
-# Set the version
-set(XEUS_CPP_VERSION_MAJOR 0)
-set(XEUS_CPP_VERSION_MINOR 4)
-set(XEUS_CPP_VERSION_PATCH 0)
+file(STRINGS "VERSION" XEUS_CPP_VERSION)
+string(REPLACE "." ";" VERSION_LIST "${XEUS_CPP_VERSION}")
+list(GET VERSION_LIST 0 XEUS_CPP_VERSION_MAJOR)
+list(GET VERSION_LIST 1 XEUS_CPP_VERSION_MINOR)
+list(GET VERSION_LIST 2 XEUS_CPP_VERSION_PATCH)
 
 set(${PROJECT_NAME}_VERSION
     ${XEUS_CPP_VERSION_MAJOR}.${XEUS_CPP_VERSION_MINOR}.${XEUS_CPP_VERSION_PATCH})
-message(STATUS "Building xeus-cpp v${${PROJECT_NAME}_VERSION}")
+message(STATUS "Building xeus-cpp v${XEUS_CPP_VERSION}")
 
 # Build options
 # =============