From c6061b8b40e084a6cc94ee078fb2a7d48c6f1b7e Mon Sep 17 00:00:00 2001
From: Oliver Hahm <oleg@hobbykeller.org>
Date: Wed, 12 Jun 2013 16:23:34 +0200
Subject: [PATCH] moved native board drivers into separate directory

split up drivers to avoid building unnecessary files
---
 native/Makefile                       | 11 ++++++----
 native/Makefile.include               |  4 ++--
 native/drivers/Makefile               | 30 +++++++++++++++++++++++++++
 native/{ => drivers}/native-led.c     |  0
 native/{ => drivers}/native-ltc4150.c |  0
 native/{ => drivers}/native-uart0.c   |  0
 6 files changed, 39 insertions(+), 6 deletions(-)
 create mode 100644 native/drivers/Makefile
 rename native/{ => drivers}/native-led.c (100%)
 rename native/{ => drivers}/native-ltc4150.c (100%)
 rename native/{ => drivers}/native-uart0.c (100%)

diff --git a/native/Makefile b/native/Makefile
index 86ddb4a6ff..ded96b6cf2 100644
--- a/native/Makefile
+++ b/native/Makefile
@@ -2,14 +2,16 @@ SRC = $(wildcard *.c)
 BINDIR = bin/
 OBJ = $(SRC:%.c=$(BINDIR)%.o)## defines
 DEP = $(SRC:%.c=$(BINDIR)%.d)
+export ARCH = native_base.a
 
 INCLUDES += -I$(RIOTBASE)/cpu/native/include/
 INCLUDES += -I$(RIOTBOARD)/native/include/
 
-all: $(BINDIR)native_base.a 
+all: $(BINDIR)$(ARCH)
+	$(MAKE) -C drivers
 
-$(BINDIR)native_base.a: $(OBJ)
-	$(AR) rcs $(BINDIR)native_base.a $(OBJ)
+$(BINDIR)$(ARCH): $(OBJ)
+	$(AR) rcs $(BINDIR)$(ARCH) $(OBJ)
 
 # pull in dependency info for *existing* .o files
 -include $(OBJ:.o=.d)
@@ -23,6 +25,7 @@ $(BINDIR)%.o: %.c
 
 # remove compilation products
 clean:
-	rm -f $(BINDIR)native_base.a $(OBJ) $(DEP)
+	${MAKE} -C drivers clean
+	rm -f $(BINDIR)$(ARCH) $(OBJ) $(DEP)
 	-rmdir -p $(BINDIR)
 
diff --git a/native/Makefile.include b/native/Makefile.include
index d360b2248f..e8e5d48e4d 100644
--- a/native/Makefile.include
+++ b/native/Makefile.include
@@ -5,7 +5,7 @@ export CPU = native
 export PREFIX = 
 #export CC = @$(PREFIX)gcc
 export AR = @$(PREFIX)ar
-export CFLAGS = -std=gnu99 -Wall -m32
+export CFLAGS += -std=gnu99 -Wall -m32
 export ASFLAGS =
 export AS = $(PREFIX)as
 export LINK = $(PREFIX)gcc
@@ -14,7 +14,7 @@ export OBJCOPY = $(PREFIX)objcopy
 FLASHER = lpc2k_pgm
 TERM = pyterm.py
 
-LINKFLAGS = -m32
+LINKFLAGS = -m32 -gc
 
 ifeq ($(strip $(PORT)),)
 	export PORT = /dev/ttyUSB0
diff --git a/native/drivers/Makefile b/native/drivers/Makefile
new file mode 100644
index 0000000000..f0516a8530
--- /dev/null
+++ b/native/drivers/Makefile
@@ -0,0 +1,30 @@
+SRC = $(wildcard *.c)
+BINDIR = $(RIOTBOARD)/$(BOARD)/bin/
+OBJ = $(BINDIR)native-led.o
+ifneq (,$(findstring ltc4150,$(USEMODULE)))
+	OBJ += $(BINDIR)native-ltc4150.o
+endif
+ifneq (,$(findstring uart0,$(USEMODULE)))
+	OBJ += $(BINDIR)native-uart0.o
+endif
+DEP = $(SRC:%.c=$(BINDIR)%.d)
+
+INCLUDES += -I$(RIOTBOARD)/native/include/
+
+$(BINDIR)native_drivers.a: $(OBJ)
+	@$(AR) rcs $(BINDIR)${ARCH} $(OBJ)
+
+# pull in dependency info for *existing* .o files
+-include $(OBJ:.o=.d)
+
+# compile and generate dependency info
+$(BINDIR)%.o: %.c
+	$(CC) $(CFLAGS) $(INCLUDES) $(BOARDINCLUDE) $(PROJECTINCLUDE) $(CPUINCLUDE) -c $*.c -o $(BINDIR)$*.o
+	@$(CC) $(CFLAGS) $(INCLUDES) $(BOARDINCLUDE) $(PROJECTINCLUDE) $(CPUINCLUDE) -MM $*.c > $(BINDIR)$*.d
+	@printf "$(BINDIR)" | cat - $(BINDIR)$*.d > /tmp/riot_out && mv /tmp/riot_out $(BINDIR)$*.d
+
+# remove compilation products
+
+clean:
+	rm -f $(OBJ) $(DEP)
+
diff --git a/native/native-led.c b/native/drivers/native-led.c
similarity index 100%
rename from native/native-led.c
rename to native/drivers/native-led.c
diff --git a/native/native-ltc4150.c b/native/drivers/native-ltc4150.c
similarity index 100%
rename from native/native-ltc4150.c
rename to native/drivers/native-ltc4150.c
diff --git a/native/native-uart0.c b/native/drivers/native-uart0.c
similarity index 100%
rename from native/native-uart0.c
rename to native/drivers/native-uart0.c
-- 
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