Update cmake/CPM.cmake

Co-authored-by: Cristian Le <github@lecris.me>

Author: flagarde

cmake/CPM.cmake

@@ -42,8 +42,8 @@ if(NOT COMMAND cpm_message)
   endfunction()
 endif()
 
-if("${PROJECT_NAME}" STREQUAL "CPM" AND CPM_RELEASE)
-  set(CURRENT_CPM_VERSION "${PROJECT_VERSION}")
+if(DEFINED CPM_VERSION)
+  set(CURRENT_CPM_VERSION "${CPM_VERSION}${CPM_DEVELOPMENT}")
 else()
   set(CURRENT_CPM_VERSION 1.0.0-development-version)
 endif()