kernel module make file template improved

src/templates/c/kernel_module/Makefile.tmpl

@@ -1,12 +1,39 @@
-# If KERNELRELEASE is defined, we've been invoked from the
-# kernel build system and can use its language.
-ifneq ($(KERNELRELEASE),)
-     obj-m := hello.o
-# Otherwise we were called directly from the command
-# line; invoke the kernel build system.
+# Comment/uncomment the following line to disable/enable debugging
+#DEBUG = y
+
+# Add your debugging flag (or not) to CFLAGS
+ifeq ($(DEBUG),y)
+  DEBFLAGS = -O -g # "-O" is needed to expand inlines
 else
-     KERNELDIR ?= /lib/modules/$(shell uname -r)/build
-     PWD := $(shell pwd)
-default:
-     $(MAKE) -C $(KERNELDIR) M=$(PWD) modules
+  DEBFLAGS = -O2
+endif
+
+CFLAGS += $(DEBFLAGS) -I$(LDDINCDIR)
+
+ifneq ($(KERNELRELEASE),)
+# call from kernel build system
+
+obj-m	:= ::unixname::.o
+
+else
+
+KERNELDIR ?= /lib/modules/$(shell uname -r)/build
+PWD       := $(shell pwd)
+
+default:
+	$(MAKE) -C $(KERNELDIR) M=$(PWD) LDDINCDIR=$(PWD)/../include modules
+
+endif
+
+
+
+clean:
+	rm -rf *.o *~ core .depend .*.cmd *.ko *.mod.c .tmp_versions
+
+depend .depend dep:
+	$(CC) $(CFLAGS) -M *.c > .depend
+
+
+ifeq (.depend,$(wildcard .depend))
+include .depend
 endif