Minor CMake coding style change of version_numbers function.

cmake/utils.cmake

@@ -2,33 +2,33 @@
 
 # ----------------------------------------------------------------------------
 ## Extract version numbers from version string.
-function (version_numbers VERSION MAJOR MINOR PATCH)
-  if (VERSION MATCHES "([0-9]+)(\\.[0-9]+)?(\\.[0-9]+)?(rc[1-9][0-9]*|[a-z]+)?")
+function (version_numbers version major minor patch)
+  if (version MATCHES "([0-9]+)(\\.[0-9]+)?(\\.[0-9]+)?(rc[1-9][0-9]*|[a-z]+)?")
     if (CMAKE_MATCH_1)
-      set (VERSION_MAJOR ${CMAKE_MATCH_1})
+      set (_major ${CMAKE_MATCH_1})
     else ()
-      set (VERSION_MAJOR 0)
+      set (_major 0)
     endif ()
     if (CMAKE_MATCH_2)
-      set (VERSION_MINOR ${CMAKE_MATCH_2})
-      string (REGEX REPLACE "^\\." "" VERSION_MINOR "${VERSION_MINOR}")
+      set (_minor ${CMAKE_MATCH_2})
+      string (REGEX REPLACE "^\\." "" _minor "${_minor}")
     else ()
-      set (VERSION_MINOR 0)
+      set (_minor 0)
     endif ()
     if (CMAKE_MATCH_3)
-      set (VERSION_PATCH ${CMAKE_MATCH_3})
-      string (REGEX REPLACE "^\\." "" VERSION_PATCH "${VERSION_PATCH}")
+      set (_patch ${CMAKE_MATCH_3})
+      string (REGEX REPLACE "^\\." "" _patch "${_patch}")
     else ()
-      set (VERSION_PATCH 0)
+      set (_patch 0)
     endif ()
   else ()
-    set (VERSION_MAJOR 0)
-    set (VERSION_MINOR 0)
-    set (VERSION_PATCH 0)
+    set (_major 0)
+    set (_minor 0)
+    set (_patch 0)
   endif ()
-  set ("${MAJOR}" "${VERSION_MAJOR}" PARENT_SCOPE)
-  set ("${MINOR}" "${VERSION_MINOR}" PARENT_SCOPE)
-  set ("${PATCH}" "${VERSION_PATCH}" PARENT_SCOPE)
+  set ("${major}" "${_major}" PARENT_SCOPE)
+  set ("${minor}" "${_minor}" PARENT_SCOPE)
+  set ("${patch}" "${_patch}" PARENT_SCOPE)
 endfunction ()
 
 # ----------------------------------------------------------------------------