sw: improve build system

Signed-off-by: Federico Vaga <federico.vaga@cern.ch>

software/Makefile

+-include Makefile.specific
+
+# include parent_common.mk for buildsystem's defines
+#use absolute path for REPO_PARENT
+REPO_PARENT ?= $(shell /bin/pwd)/..
+-include $(REPO_PARENT)/parent_common.mk
+
+DIRS := i2c-ocores
+DIRS += spi-ocores
+
+.PHONY: all clean modules install modules_install $(DIRS)
+
+all clean: $(DIRS)
+
+clean:
+	$(MAKE)
+clean: TARGET = clean
+modules: TARGET = modules
+install: TARGET = install
+modules_install: TARGET = modules_install
+
+$(DIRS):
+	$(MAKE) -C $@ $(TARGET)

software/i2c-ocores/Makefile

@@ -6,8 +6,8 @@ REPO_PARENT ?= $(shell /bin/pwd)/../..
 
 all: modules
 
-modules help install modules_install clean:
+modules clean:
 	export CONFIG_I2C_OCORES=m
 	make -C $(shell pwd)/drivers/i2c/busses $@
 
-.PHONY: all modules clean help install modules_install
+.PHONY: all modules clean

software/i2c-ocores/drivers/i2c/busses/Makefile

@@ -5,13 +5,15 @@ REPO_PARENT ?= $(shell /bin/pwd)/../..
 -include $(REPO_PARENT)/parent_common.mk
 
 LINUX ?= /lib/modules/$(shell uname -r)/build
-export LINUX=/user/fvaga/workspace/projects/centos/cern-beco-kernel-rt/BUILD/kernel-3.10.0/linux-3.10.0.x86_64
-
-export CONFIG_I2C_OCORES=m
 
 all: modules
 
-modules help install modules_install:
-	make -C $(LINUX) M=$(shell pwd)
+modules: i2c-ocores
+
+clean:
+	rm -f *.o *.ko *.mod.o *.mod.c Module.symvers modules.order
+
+i2c-ocores:
+	make -C $(LINUX) M=$(shell pwd) CONFIG_I2C_OCORES=m modules
 
-.PHONY: all modules clean help install modules_install
+.PHONY: all modules clean

software/spi-ocores/Makefile

@@ -6,7 +6,7 @@ REPO_PARENT ?= $(shell /bin/pwd)/../..
 
 all: modules
 
-modules help install modules_install clean:
+modules clean:
 	make -C $(shell pwd)/drivers/spi $@
 
-.PHONY: all modules clean help install modules_install
+.PHONY: all modules clean

software/spi-ocores/drivers/spi/Makefile

@@ -8,7 +8,13 @@ LINUX ?= /lib/modules/$(shell uname -r)/build
 
 all: modules
 
-modules help install modules_install:
-	make -C $(LINUX) M=$(shell pwd) CONFIG_SPI_OCORES=m
+modules: spi-ocores
 
-.PHONY: all modules clean help install modules_install
+clean:
+	rm -f *.o *.ko *.mod.o *.mod.c Module.symvers modules.order
+
+spi-ocores:
+	make -C $(LINUX) M=$(shell pwd) CONFIG_SPI_OCORES=m modules
+
+
+.PHONY: all modules clean