Do not search for ui files as they are handled by autouic

libs_required/ACG/CMakeLists.txt

@@ -107,14 +107,13 @@ endif ()
 # collect all header,source and ui files
 acg_append_files (headers "*.hh" ${directories})
 acg_append_files (sources "*.cc" ${directories})
-acg_append_files (ui "*.ui" ${directories})
 acg_append_files (qrc "*.qrc" ${directories} .)
 
 # remove template cc files from source file list
 acg_drop_templates (sources)
 
 if (QT5_FOUND)
-  acg_add_library (ACG SHARED ${ui} ${sources} ${headers} ${qrc})
+  acg_add_library (ACG SHARED ${sources} ${headers} ${qrc})
 endif()
 
 if ( NOT WIN32 )