From e7c312078e6509ff6ae32826314324496adb4462 Mon Sep 17 00:00:00 2001
From: Philippe Guillebert <philippe.guillebert@gmail.com>
Date: Wed, 27 Mar 2019 23:45:42 -0700
Subject: [PATCH] Added a way to define board in my project

---
 support/board/board.mk | 30 +++++++++++++++++-------------
 1 file changed, 17 insertions(+), 13 deletions(-)

diff --git a/support/board/board.mk b/support/board/board.mk
index e952ee9f..ef79adca 100644
--- a/support/board/board.mk
+++ b/support/board/board.mk
@@ -1,6 +1,4 @@
 
-BOARDPATH = $(dir $(lastword $(MAKEFILE_LIST)))
-
 # check BOARD variable exists or DEVICE + ARCHI
 # BOARD does not have to be defined. A project can be setted BOARD (ie. working with a labdec) 
 ifndef BOARD
@@ -10,15 +8,21 @@ ifndef BOARD
 endif
 
 ifdef BOARD
- BOARD_FILE = $(UDEVKIT)/support/board/$(BOARD)/$(BOARD).mk
- 
- # check BOARD_FILE exists 
- ifeq ("$(wildcard $(BOARD_FILE))","")
-  $(error Invalid BOARD name)
- endif
- 
- # include the board file
- include $(BOARD_FILE)
- 
- INCLUDEPATH += -I$(UDEVKIT)/support/board/$(BOARD)/
+  BOARDPATH = $(dir $(lastword $(MAKEFILE_LIST)))
+  UDEV_BOARD_FILE = $(BOARDPATH)/$(BOARD)/$(BOARD).mk
+  OVERLAY_BOARD_FILE = ./support/board/$(BOARD)/$(BOARD).mk
+
+  ifeq ("$(wildcard $(OVERLAY_BOARD_FILE))","")
+    ifeq ("$(wildcard $(UDEV_BOARD_FILE))","")
+      $(error Invalid BOARD name $(BOARD))
+    else
+      # include the udevkit board file
+      include $(UDEV_BOARD_FILE)
+      INCLUDEPATH += -I$(UDEVKIT)/support/board/$(BOARD)/
+		endif
+  else
+    # include the overlay board file
+    include $(OVERLAY_BOARD_FILE)
+    INCLUDEPATH += -I./support/board/$(BOARD)/
+  endif
 endif