# For building for the current running version of Linux
+ifndef TARGET
TARGET := $(shell uname -r)
+endif
# Or specific version
#TARGET := 2.6.33.5
+
KERNEL_MODULES := /lib/modules/$(TARGET)
-# KERNEL_BUILD := $(KERNEL_MODULES)/build
+
+ifneq ("","$(wildcard /usr/src/linux-headers-$(TARGET)/*)")
+# Ubuntu
KERNEL_BUILD := /usr/src/linux-headers-$(TARGET)
+else
+ifneq ("","$(wildcard /usr/src/kernels/$(TARGET)/*)")
+# Fedora
+KERNEL_BUILD := /usr/src/kernels/$(TARGET)
+else
+KERNEL_BUILD := $(KERNEL_MODULES)/build
+endif
+endif
#SYSTEM_MAP := $(KERNEL_BUILD)/System.map
SYSTEM_MAP := /boot/System.map-$(TARGET)
DRIVER := it87
+ifneq ("","$(wildcard .git/*)")
+DRIVER_VERSION := $(shell git describe --long)
+else
+ifneq ("", "$(wildcard VERSION)")
+DRIVER_VERSION := $(shell cat VERSION)
+else
+DRIVER_VERSION := unknown
+endif
+endif
+
+# DKMS
+DKMS_ROOT_PATH=/usr/src/$(DRIVER)-$(DRIVER_VERSION)
+MODPROBE_OUTPUT=$(shell lsmod | grep it87)
# Directory below /lib/modules/$(TARGET)/kernel into which to install
# the module:
MOD_SUBDIR = drivers/hwmon
+MODDESTDIR=$(KERNEL_MODULES)/kernel/$(MOD_SUBDIR)
obj-m := $(patsubst %,%.o,$(DRIVER))
obj-ko := $(patsubst %,%.ko,$(DRIVER))
MAKEFLAGS += --no-print-directory
-.PHONY: all install modules modules_install clean
+ifneq ("","$(wildcard $(MODDESTDIR)/*.ko.gz)")
+COMPRESS_GZIP := y
+endif
+ifneq ("","$(wildcard $(MODDESTDIR)/*.ko.xz)")
+COMPRESS_XZ := y
+endif
+
+.PHONY: all install modules modules_install clean dkms dkms_clean
all: modules
# Targets for running make directly in the external module directory:
-modules clean:
+IT87_CFLAGS=-DIT87_DRIVER_VERSION='\"$(DRIVER_VERSION)\"'
+
+modules:
+ @$(MAKE) EXTRA_CFLAGS="$(IT87_CFLAGS)" -C $(KERNEL_BUILD) M=$(CURDIR) $@
+
+clean:
@$(MAKE) -C $(KERNEL_BUILD) M=$(CURDIR) $@
install: modules_install
modules_install:
- cp $(DRIVER).ko $(KERNEL_MODULES)/kernel/$(MOD_SUBDIR)
+ mkdir -p $(MODDESTDIR)
+ cp $(DRIVER).ko $(MODDESTDIR)/
+ifeq ($(COMPRESS_GZIP), y)
+ @gzip -f $(MODDESTDIR)/$(DRIVER).ko
+endif
+ifeq ($(COMPRESS_XZ), y)
+ @xz -f $(MODDESTDIR)/$(DRIVER).ko
+endif
depmod -a -F $(SYSTEM_MAP) $(TARGET)
+
+dkms:
+ @sed -i -e '/^PACKAGE_VERSION=/ s/=.*/=\"$(DRIVER_VERSION)\"/' dkms.conf
+ @echo "$(DRIVER_VERSION)" >VERSION
+ @mkdir $(DKMS_ROOT_PATH)
+ @cp `pwd`/dkms.conf $(DKMS_ROOT_PATH)
+ @cp `pwd`/VERSION $(DKMS_ROOT_PATH)
+ @cp `pwd`/Makefile $(DKMS_ROOT_PATH)
+ @cp `pwd`/compat.h $(DKMS_ROOT_PATH)
+ @cp `pwd`/it87.c $(DKMS_ROOT_PATH)
+ @dkms add -m $(DRIVER) -v $(DRIVER_VERSION)
+ @dkms build -m $(DRIVER) -v $(DRIVER_VERSION)
+ @dkms install --force -m $(DRIVER) -v $(DRIVER_VERSION)
+ @modprobe $(DRIVER)
+
+dkms_clean:
+ @if [ ! -z "$(MODPROBE_OUTPUT)" ]; then \
+ rmmod $(DRIVER);\
+ fi
+ @dkms remove -m $(DRIVER) -v $(DRIVER_VERSION) --all
+ @rm -rf $(DKMS_ROOT_PATH)