Merge branch '190-better-unused-files-tuning' into 'master'

Change where LHCB_UNUSED_SUBDIR_MESSAGE_TYPE is initialized

Closes #190

See merge request !3424

cmake/LHCbConfigUtils.cmake

@@ -27,6 +27,11 @@ list(PREPEND CMAKE_MODULE_PATH ${LHCbConfigUtils_DIR})
 find_package(PkgConfig)
 include(FindDataPackage)
 
+set(LHCB_UNUSED_SUBDIR_MESSAGE_TYPE "WARNING"
+    CACHE STRING "Message type for detected unused subdirs")
+set(LHCB_UNUSED_SOURCE_MESSAGE_TYPE "WARNING"
+    CACHE STRING "Message type for detected unused source files")
+
 #[========================================================================[.rst:
 .. cmake:command:: lhcb_env
 
@@ -291,8 +296,6 @@ macro(lhcb_finalize_configuration)
         gaudi_install(CMAKE lhcbproject.yml)
     endif()
 
-    set(LHCB_UNUSED_SUBDIR_MESSAGE_TYPE "WARNING" CACHE STRING "Message type for detected unused subdirs")
-    set(LHCB_UNUSED_SOURCE_MESSAGE_TYPE "WARNING" CACHE STRING "Message type for detected unused source files")
     # check that we actually build everything in the project
     # - check all subdirs are included (except for those listed in LHCB_IGNORE_SUBDIRS)
     get_property(added_subdirs DIRECTORY PROPERTY SUBDIRECTORIES)