git.sur5r.net Git - groeck-it87/blob - Makefile

   1 # For building for the current running version of Linux
   2 ifndef TARGET
   3 TARGET          := $(shell uname -r)
   4 endif
   5 # Or specific version
   6 #TARGET         := 2.6.33.5
   7
   8 KERNEL_MODULES  := /lib/modules/$(TARGET)
   9
  10 ifneq ("","$(wildcard /usr/src/linux-headers-$(TARGET)/*)")
  11 # Ubuntu
  12 KERNEL_BUILD    := /usr/src/linux-headers-$(TARGET)
  13 else
  14 ifneq ("","$(wildcard /usr/src/kernels/$(TARGET)/*)")
  15 # Fedora
  16 KERNEL_BUILD    := /usr/src/kernels/$(TARGET)
  17 else
  18 KERNEL_BUILD    := $(KERNEL_MODULES)/build
  19 endif
  20 endif
  21
  22 #SYSTEM_MAP     := $(KERNEL_BUILD)/System.map
  23 SYSTEM_MAP      := /boot/System.map-$(TARGET)
  24
  25 DRIVER := it87
  26 ifneq ("","$(wildcard .git/*)")
  27 DRIVER_VERSION := $(shell git describe --long)
  28 else
  29 ifneq ("", "$(wildcard VERSION)")
  30 DRIVER_VERSION := $(shell cat VERSION)
  31 else
  32 DRIVER_VERSION := unknown
  33 endif
  34 endif
  35
  36 # DKMS
  37 DKMS_ROOT_PATH=/usr/src/$(DRIVER)-$(DRIVER_VERSION)
  38 MODPROBE_OUTPUT=$(shell lsmod | grep it87)
  39
  40 # Directory below /lib/modules/$(TARGET)/kernel into which to install
  41 # the module:
  42 MOD_SUBDIR = drivers/hwmon
  43 MODDESTDIR=$(KERNEL_MODULES)/kernel/$(MOD_SUBDIR)
  44
  45 obj-m   := $(patsubst %,%.o,$(DRIVER))
  46 obj-ko  := $(patsubst %,%.ko,$(DRIVER))
  47
  48 MAKEFLAGS += --no-print-directory
  49
  50 ifneq ("","$(wildcard $(MODDESTDIR)/*.ko.gz)")
  51 COMPRESS_GZIP := y
  52 endif
  53 ifneq ("","$(wildcard $(MODDESTDIR)/*.ko.xz)")
  54 COMPRESS_XZ := y
  55 endif
  56
  57 .PHONY: all install modules modules_install clean dkms dkms_clean
  58
  59 all: modules
  60
  61 # Targets for running make directly in the external module directory:
  62
  63 IT87_CFLAGS=-DIT87_DRIVER_VERSION='\"$(DRIVER_VERSION)\"'
  64
  65 modules:
  66         @$(MAKE) EXTRA_CFLAGS="$(IT87_CFLAGS)" -C $(KERNEL_BUILD) M=$(CURDIR) $@
  67
  68 clean:
  69         @$(MAKE) -C $(KERNEL_BUILD) M=$(CURDIR) $@
  70
  71 install: modules_install
  72
  73 modules_install:
  74         mkdir -p $(MODDESTDIR)
  75         cp $(DRIVER).ko $(MODDESTDIR)/
  76 ifeq ($(COMPRESS_GZIP), y)
  77         @gzip -f $(MODDESTDIR)/$(DRIVER).ko
  78 endif
  79 ifeq ($(COMPRESS_XZ), y)
  80         @xz -f $(MODDESTDIR)/$(DRIVER).ko
  81 endif
  82         depmod -a -F $(SYSTEM_MAP) $(TARGET)
  83
  84 dkms:
  85         @sed -i -e '/^PACKAGE_VERSION=/ s/=.*/=\"$(DRIVER_VERSION)\"/' dkms.conf
  86         @echo "$(DRIVER_VERSION)" >VERSION
  87         @mkdir $(DKMS_ROOT_PATH)
  88         @cp `pwd`/dkms.conf $(DKMS_ROOT_PATH)
  89         @cp `pwd`/VERSION $(DKMS_ROOT_PATH)
  90         @cp `pwd`/Makefile $(DKMS_ROOT_PATH)
  91         @cp `pwd`/compat.h $(DKMS_ROOT_PATH)
  92         @cp `pwd`/it87.c $(DKMS_ROOT_PATH)
  93         @dkms add -m $(DRIVER) -v $(DRIVER_VERSION)
  94         @dkms build -m $(DRIVER) -v $(DRIVER_VERSION)
  95         @dkms install --force -m $(DRIVER) -v $(DRIVER_VERSION)
  96         @modprobe $(DRIVER)
  97
  98 dkms_clean:
  99         @if [ ! -z "$(MODPROBE_OUTPUT)" ]; then \
 100                 rmmod $(DRIVER);\
 101         fi
 102         @dkms remove -m $(DRIVER) -v $(DRIVER_VERSION) --all
 103         @rm -rf $(DKMS_ROOT_PATH)