Makefile

   1 # change KERNELSRC to the location of your kernel build tree only if
   2 # autodetection does not work
   3 #KERNELSRC=/usr/src/linux
   4 #KERNELSRC=/usr/src/kernel-source-2.4.21-acpi-i2c-lmsensors
   5 KERNELSRC?=/lib/modules/`uname -r`/build
   6 KERNELVERSION=$(shell awk -F\" '/REL/ {print $$2}' $(shell grep -s -l REL $(KERNELSRC)/include/linux/version.h $(KERNELSRC)/include/linux/utsrelease.h))
   7
   8 KERNELMAJOR=$(shell echo $(KERNELVERSION)|head -c3)
   9 KBUILD_BASENAME=
  10
  11 # next line is for kernel 2.6, if you integrate the driver in the kernel tree
  12 # /usr/src/linux/drivers/acer_acpi - or something similar
  13 # don't forget to add the following line to the parent dir's Makefile:
  14 # (/usr/src/linux/drivers/Makefile)
  15 # obj-m                           += acer_acpi/
  16 obj-m += wmi-acer.o acer_acpi.o
  17 #acer_acpi-objs := wmi-acer.o acer_acpi.o
  18
  19 CC=gcc
  20 EXTRA_CFLAGS+=-c -Wall -Wstrict-prototypes -Wno-trigraphs -O2 -fomit-frame-pointer -fno-strict-aliasing -fno-common -pipe
  21 INCLUDE=-I$(KERNELSRC)/include
  22
  23 ifneq ($(KERNELMAJOR), 2.6)
  24 exit:
  25 endif
  26
  27 TARGET := wmi-acer.ko acer_acpi.ko
  28 SOURCE := wmi-acer.c acer_acpi.c
  29
  30 all: $(TARGET)
  31
  32 exit:
  33         @echo "No support for 2.4 series kernels"
  34
  35 help:
  36         @echo Possible targets:
  37         @echo -e all\\t- default target, builds kernel module
  38         @echo -e install\\t- copies module binary to /lib/modules/$(KERNELVERSION)/extra/
  39         @echo -e clean\\t- removes all binaries and temporary files
  40
  41 wmi-acer.ko: $(SOURCE)
  42         $(MAKE) -C $(KERNELSRC) SUBDIRS=$(PWD) modules
  43
  44 wmi-acer.o: $(SOURCE)
  45         $(CC) $(INCLUDE) $(CFLAGS) -DMODVERSIONS -DMODULE -D__KERNEL__ -o $(TARGET) $(SOURCE)
  46
  47 acer_acpi.ko: $(SOURCE)
  48         $(MAKE) -C $(KERNELSRC) SUBDIRS=$(PWD) modules
  49
  50 acer_acpi.o: $(SOURCE)
  51         $(CC) $(INCLUDE) $(CFLAGS) -DMODVERSIONS -DMODULE -D__KERNEL__ -o $(TARGET) $(SOURCE)
  52
  53 clean:
  54         rm -f *~ *.o *.s *.ko *.mod.c .*.cmd Module.symvers
  55         rm -rf .tmp_versions
  56
  57 load:   $(TARGET)
  58         insmod $(TARGET)
  59
  60 unload:
  61         rmmod acer_acpi
  62
  63 install: $(TARGET)
  64         mkdir -p ${DESTDIR}/lib/modules/$(KERNELVERSION)/extra
  65         cp -v $(TARGET) ${DESTDIR}/lib/modules/$(KERNELVERSION)/extra/
  66         depmod $(KERNELVERSION) -a