diff --git a/MyxCMake/modules/MyxCMakeFormatSources.cmake b/MyxCMake/modules/MyxCMakeFormatSources.cmake
index 42e278f..5498acf 100644
--- a/MyxCMake/modules/MyxCMakeFormatSources.cmake
+++ b/MyxCMake/modules/MyxCMakeFormatSources.cmake
@@ -1,6 +1,42 @@
+find_program(UNCRUSTIFY_EXE NAMES uncrustify)
+
+if(UNCRUSTIFY_EXE)
+  if(NOT EXISTS ${CMAKE_BINARY_DIR}/uncrustify-classheader.txt)
+    file(GENERATE OUTPUT ${CMAKE_BINARY_DIR}/uncrustify-classheader.txt CONTENT
+"/**
+ *  @class   $(fclass)
+ *  @brief   TODO
+ *  @details TODO
+ */")
+  endif()
+
+  if(NOT EXISTS ${CMAKE_BINARY_DIR}/uncrustify-filefooter.txt)
+    file(GENERATE OUTPUT ${CMAKE_BINARY_DIR}/uncrustify-filefooter.txt CONTENT
+    "// EOF $(filename)")
+  endif()
+
+  if(NOT EXISTS ${CMAKE_BINARY_DIR}/uncrustify-fileheader.txt)
+    file(GENERATE OUTPUT ${CMAKE_BINARY_DIR}/uncrustify-fileheader.txt CONTENT
+"/**
+ *  @file    $(filename)
+ *  @brief   TODO
+ *  @details TODO
+ */")
+  endif()
+
+  if(NOT EXISTS ${CMAKE_BINARY_DIR}/uncrustify-funcheader.txt)
+    file(GENERATE OUTPUT ${CMAKE_BINARY_DIR}/uncrustify-funcheader.txt CONTENT
+"/**
+ *  @fn $(fclass)::$(function)
+ *  $(javaparam)
+ *  @details TODO
+ */")
+  endif()
+endif()
+
+
 function(myx_cmake_format_sources target)
 
-  find_program(UNCRUSTIFY_EXE NAMES uncrustify)
   if(UNCRUSTIFY_EXE)
     get_target_property(__sources ${target} SOURCES)
     list(FILTER __sources EXCLUDE REGEX "qrc_.*\\.cpp$")
@@ -32,26 +68,7 @@ function(myx_cmake_format_sources target)
     add_custom_target(${target}-format-sources-uncrustify
       DEPENDS ${CMAKE_BINARY_DIR}/uncrustify.cfg
       COMMAND ${UNCRUSTIFY_EXE} ${UNCRUSTIFY_OPTS} --mtime ${__sources})
-    file(GENERATE OUTPUT ${CMAKE_BINARY_DIR}/uncrustify-classheader.txt CONTENT
-"/**
- *  @class   $(fclass)
- *  @brief   TODO
- *  @details TODO
- */")
-    file(GENERATE OUTPUT ${CMAKE_BINARY_DIR}/uncrustify-filefooter.txt CONTENT
-      "// EOF $(filename)")
-    file(GENERATE OUTPUT ${CMAKE_BINARY_DIR}/uncrustify-fileheader.txt CONTENT
-"/**
- *  @file    $(filename)
- *  @brief   TODO
- *  @details TODO
- */")
-    file(GENERATE OUTPUT ${CMAKE_BINARY_DIR}/uncrustify-funcheader.txt CONTENT
-"/**
- *  @fn $(fclass)::$(function)
- *  $(javaparam)
- *  @details TODO
- */")
+
     add_custom_target(${target}-doc-doxygen-append-comments
       DEPENDS ${CMAKE_BINARY_DIR}/uncrustify.cfg
       COMMAND ${UNCRUSTIFY_EXE} ${UNCRUSTIFY_OPTS}