From 61993c3c192ca33146f299785a3cdf5fdd1d10fb Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@spreadspace.org>
Date: Fri, 25 May 2012 02:30:24 +0000
Subject: added generic external libs framework

git-svn-id: https://svn.spreadspace.org/avr/trunk@35 aa12f405-d877-488e-9caf-2d797e2a1cc7
---
 include.mk          | 22 ++++++++++++++++++++--
 usb-serial/Makefile |  1 +
 2 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/include.mk b/include.mk
index cfbc3e3..3f03342 100644
--- a/include.mk
+++ b/include.mk
@@ -111,6 +111,14 @@ DFU = dfu-programmer
 teensy = teensy_loader_cli
 avrdude = avrdude
 
+## external libs
+EXTERNAL_LIBS := 
+
+LUFA_STAMP = .lufa_stamp
+ifdef LUFA_DIR
+EXTERNAL_LIBS += prepare-lufa
+endif
+
 ## Options common to compile, link and assembly rules
 COMMON = -mmcu=$(MCU)
 
@@ -138,12 +146,21 @@ OBJ_LIB := $(LIBS:%=lib-%.o)
 SRC_LIB := $(LIBS:%=$(LIB_DIR)/%.c)
 DEP_LIB := $(LIBS:%=lib-%.d)
 
-.PHONY: clean program erase flash reset run
+.PHONY: prepare clean program erase flash reset run
 
 ELFFILE := $(NAME).elf
 HEXFILE := $(NAME).hex
 
-all: $(HEXFILE)
+all: prepare $(HEXFILE)
+prepare: $(EXTERNAL_LIBS)
+prepare-lufa: $(LUFA_STAMP)
+
+$(LUFA_STAMP):
+	@echo "preparing external LUFA lib ($(LUFA_DIR))"
+	@echo " --- TODO ---"
+## call LUFA build
+	@touch $@
+
 
 lib-%.d: $(LIB_DIR)/%.c
 	@set -e; rm -f $@; \
@@ -175,6 +192,7 @@ $(HEXFILE): $(ELFFILE)
 	$(OBJCOPY) -O ihex -R .eeprom -R .fuse -R .lock -R .signature $< $@
 
 clean:
+	rm -f .*_stamp
 	rm -f *.o
 	rm -f *.d
 	rm -f *.d.*
diff --git a/usb-serial/Makefile b/usb-serial/Makefile
index d24433d..b1f7687 100644
--- a/usb-serial/Makefile
+++ b/usb-serial/Makefile
@@ -24,5 +24,6 @@ NAME := usb-serial
 OBJ := $(NAME).o
 LIBS := util led
 BOARD_TYPE := teensy2
+LUFA_DIR := ../contrib/LUFA-120219
 
 include ../include.mk
-- 
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