1 files changed, 26 insertions, 0 deletions
diff --git a/src/gfile/gfile_rules.h b/src/gfile/gfile_rules.h
new file mode 100644
index 00000000..949a500c
--- /dev/null
+++ b/src/gfile/gfile_rules.h
@@ -0,0 +1,26 @@
+/*
+ * This file is subject to the terms of the GFX License. If a copy of
+ * the license was not distributed with this file, you can obtain one at:
+ *
+ *              http://ugfx.org/license.html
+ */
+
+/**
+ * @file    src/gfile/gfile_rules.h
+ * @brief   GFILE safety rules header file.
+ *
+ * @addtogroup GFILE
+ * @{
+ */
+
+#ifndef _GFILE_RULES_H
+#define _GFILE_RULES_H
+
+#if GFX_USE_GFILE
+	#if GFILE_NEED_PETITFS && GFILE_NEED_FATFS
+		#error "GFILE: Both GFILE_NEED_PETITFS and GFILE_NEED_FATFS cannot both be turned on at the same time."
+	#endif
+#endif
+
+#endif /* _GFILE_RULES_H */
+/** @} */