QUIET flag set for Doxygen

docs/CMakeLists.txt

@@ -43,7 +43,7 @@ add_custom_command(OUTPUT "${DOXYGEN_INDEX_FILE}"
                    DEPENDS ${UNITS_PUBLIC_HEADERS}
                    COMMAND "${DOXYGEN_EXECUTABLE}" "${DOXYFILE_OUT}"
                    MAIN_DEPENDENCY "${DOXYFILE_OUT}" "${DOXYFILE_IN}"
-                   COMMENT "Generating docs:"
+                   COMMENT "Generating doxygen XML metadata"
                    VERBATIM)
  
 # Nice named target so we can run the job easily

docs/Doxyfile.in

@@ -84,3 +84,10 @@ WARN_IF_UNDOCUMENTED   = YES
 # The default value is: NO.
 
 WARN_AS_ERROR          = NO
+
+# The QUIET tag can be used to turn on/off the messages that are generated to
+# standard output by doxygen. If QUIET is set to YES this implies that the
+# messages are off.
+# The default value is: NO.
+
+QUIET                  = YES