diff --git a/library.properties b/library.properties
index b15381a..356e61a 100644
--- a/library.properties
+++ b/library.properties
@@ -1,5 +1,5 @@
 name=ESP3DLib
-version=1.0.11
+version=1.0.12
 author=Luc Lebosse
 maintainer=Luc Lebosse, <support@tech-hunters.com>
 sentence=A 3D printer front end for ESP boards.
diff --git a/src/esp3dlibconfig.h b/src/esp3dlibconfig.h
index d537f98..35f3e42 100644
--- a/src/esp3dlibconfig.h
+++ b/src/esp3dlibconfig.h
@@ -22,13 +22,31 @@
 #define ESP_XSTR_(M) #M
 #define ESP_XSTR(M) ESP_XSTR_(M)
 #endif
-#define MARLIN_HAL_PATH(PATH) HAL_PATH( ../../../../../Marlin/src/HAL, PATH)
-#define MARLIN_PATH(PATH) ESP_XSTR(../../../../../Marlin/src/PATH)
+#ifndef SRCHOME
+#define SRCHOME ../../../../../Marlin/src
+#endif
+#ifndef HALHOME
+#define HALHOME SRCHOME/HAL
+#endif
+#define MARLIN_HAL_PATH(PATH) HAL_PATH(HALHOME, PATH)
+#define MARLIN_PATH(PATH) ESP_XSTR(SRCHOME/PATH)
+
+#if 0
+#define HAL_INCLUDE MARLIN_HAL_PATH(hal-file.h)
+#define SRC_INCLUDE MARLIN_PATH(src-file.h)
+static_assert(false,
+  " SRCHOME='" ESP_XSTR(SRCHOME) "'"
+  " HALHOME='" ESP_XSTR(HALHOME) "'"
+  " HAL_INCLUDE='" ESP_XSTR(HAL_INCLUDE) "'"
+  " SRC_INCLUDE='" ESP_XSTR(SRC_INCLUDE) "'"
+);
+#endif
+
 #include MARLIN_PATH(inc/MarlinConfigPre.h)
 #undef DISABLED
 #undef _BV
 //version
-#define LIB_VERSION "1.0.11"
+#define LIB_VERSION "1.0.12"
 
 //Allow to override the default core used by ESP3DLIB
 #ifndef ESP3DLIB_RUNNING_CORE