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