[kdepim/libkcal] check if libical version is equal or greater than 0.46

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdepim@1223983 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

config.h.cmake

@@ -1,3 +1,6 @@
+// libkcal
+#cmakedefine USE_LIBICAL_0_46 1
+
 // kalarm
 #cmakedefine WITHOUT_ARTS 1
 

libkcal/ConfigureChecks.cmake

@@ -9,7 +9,12 @@
 #
 #################################################
 
+# libical
 pkg_search_module( LIBICAL libical )
-if( NOT LIBICAL_FOUND )
+if( LIBICAL_FOUND )
+  if( NOT (LIBICAL_VERSION VERSION_LESS "0.46") )
+    set( USE_LIBICAL_0_46 1 CACHE INTERNAL "" FORCE )
+  endif( )
+else( )
   tde_message_fatal( "libical are required, but not found on your system" )
 endif()