Makefile

   1 #
   2 # Makefile for the Linux WWAN device drivers.
   3 #
   4 # NOTE: This make file can serve as both an external Makefile (launched
   5 #       directly by the user), or as the sub-dir Makefile used by the kernel
   6 #       build system.
   7
   8 # If CONFIG_SPI_PARPORT isn't set, we'll assume the user has never configured
   9 # their kernel to include this module and set up some defaults.
  10 #
  11 ifndef CONFIG_GPIO_PARPORT
  12 EXTERNAL_BUILD=y
  13 CONFIG_GPIO_PARPORT=m
  14 # CONFIG_GPIO_PARPORT_MUTEX is not set
  15 # CONFIG_GPIO_PARPORT_EXCLUSIVE is not set
  16 CONFIG_GPIO_PARPORT_NOCLAIME=y
  17 endif
  18
  19 ifndef CONFIG_SPI_PARPORT
  20 EXTERNAL_BUILD=y
  21 CONFIG_SPI_PARPORT=m
  22 # CONFIG_SPI_PARPORT_EXCLUSIVE is not set
  23 endif
  24
  25
  26 ifeq ($(CONFIG_SPI_HSO_DEBUG),y)
  27         EXTRA_CFLAGS += -g -Wa,-adhlms=$@.lst
  28 endif
  29
  30 ifdef KBUILD_EXTMOD
  31         EXTRA_CFLAGS += -I$(KBUILD_EXTMOD)
  32 endif
  33
  34
  35 list-m :=
  36 list-$(CONFIG_GPIO_PARPORT) += gpio_parport gpio_test
  37 list-$(CONFIG_SPI_PARPORT) += spi_parport
  38 obj-$(CONFIG_GPIO_PARPORT) += gpio_parport.o gpio_test.o
  39 obj-$(CONFIG_SPI_PARPORT) += spi_parport.o
  40
  41 #
  42 # Begin dual Makefile mode here.  First we provide support for when we
  43 # are being invoked by the kernel build system
  44 #
  45 ifneq ($(KERNELRELEASE),)
  46
  47 EXTRA_CFLAGS += -DCONFIG_PM
  48
  49 ifeq ($(EXTERNAL_BUILD),y)
  50 ifeq ($(CONFIG_GPIO_PARPORT_MUTEX),y)
  51         EXTRA_CFLAGS += -DCONFIG_GPIO_PARPORT_MUTEX
  52 endif
  53 ifeq ($(CONFIG_GPIO_PARPORT_EXCLUSIVE),y)
  54         EXTRA_CFLAGS += -DCONFIG_GPIO_PARPORT_EXCLUSIVE
  55 endif
  56 ifeq ($(CONFIG_GPIO_PARPORT_NOCLAIME),y)
  57         EXTRA_CFLAGS += -DCONFIG_GPIO_PARPORT_NOCLAIME
  58 endif
  59
  60 ifeq ($(CONFIG_SPI_PARPORT_EXCLUSIVE),y)
  61         EXTRA_CFLAGS += -DCONFIG_SPI_PARPORT_EXCLUSIVE
  62 endif
  63
  64 ifeq ($(CONFIG_SPI_HSO_DEBUG),y)
  65         EXTRA_CFLAGS += -DCONFIG_SPI_HSO_DEBUG
  66 endif
  67 endif
  68
  69 else
  70 # Here we begin the portion that is executed if the user invoked this Makefile
  71 # directly.
  72
  73 # KSRC should be set to the path to your sources
  74 KVER := $(shell uname -r)
  75 KSRC := /lib/modules/$(KVER)/build
  76 INSTALLDIR:=/lib/modules/$(KVER)/kernel/drivers/net/wwan/
  77
  78 # KSRC_OUTPUT should be overridden if you are using a 2.6 kernel that
  79 # has it's output sent elsewhere via KBUILD_OUTPUT= or O=
  80 KSRC_OUTPUT := $(KSRC)
  81
  82 PWD=$(shell pwd)
  83
  84 VERFILE := $(KSRC_OUTPUT)/include/linux/version.h
  85 KERNELRELEASE := $(shell \
  86         if [ -r $(VERFILE) ]; then \
  87                 (cat $(VERFILE); echo UTS_RELEASE) | \
  88                 $(CC) -I$(KSRC_OUTPUT) $(CFLAGS) -E - | \
  89                 tail -n 1 | \
  90                 xargs echo; \
  91         else \
  92                 uname -r; \
  93         fi)
  94
  95 MODPATH := $(DESTDIR)/lib/modules/$(KERNELRELEASE)
  96
  97 all: modules
  98
  99 clean:
 100         $(RM) -f *.mod.* *.mod *.o *.ko .*.o.cmd .*.ko.cmd *.flags .lst *.lst Module*.symvers
 101         $(RM) -rf $(PWD)/tmp
 102         $(RM) -rf .tmp_versions
 103         $(RM) -f modules.order
 104         $(RM) -f Module.markers
 105
 106 distclean: clean
 107         rm -f tags TAGS
 108
 109 TMP=$(PWD)/tmp
 110 MODVERDIR=$(TMP)/.tmp_versions
 111
 112 modules:
 113         mkdir -p $(MODVERDIR)
 114 ifdef ($(KSRC_OUTPUT)/.tmp_versions)
 115         -cp $(KSRC_OUTPUT)/.tmp_versions/*.mod $(MODVERDIR)
 116 endif
 117 ifeq ($(KSRC),$(KSRC_OUTPUT)) # We're not outputting elsewhere
 118 ifdef ($(KSRC)/.tmp_versions)
 119         -cp $(KSRC)/.tmp_versions/*.mod $(MODVERDIR)
 120 endif
 121         $(MAKE) -C $(KSRC) M=$(PWD) MODVERDIR=$(MODVERDIR) modules
 122 else # We've got a kernel with seperate output, copy the config, and use O=
 123         mkdir -p $(TMP)
 124         cp $(KSRC_OUTPUT)/.config $(TMP)
 125         $(MAKE) -C $(KSRC) M=$(PWD) MODVERDIR=$(MODVERDIR)) O=$(PWD)/tmp modules
 126 endif
 127
 128 test-gpio: modules
 129         rmmod lp || true
 130         rmmod ppdev || true
 131         rmmod gpio_test || true
 132         rmmod gpio_parport || true
 133         insmod gpio_parport.ko
 134         insmod gpio_test.ko gpi=254 irq=7
 135
 136 install: modules
 137         for mod; $(list-m); do modprobe -r $mod || true; done
 138         install -d $(INSTALLDIR)
 139         install -m 644 -c $(addsuffix .ko,$(list-m)) $(INSTALLDIR)
 140         /sbin/depmod -a ${KVER}
 141
 142 uninstall:
 143         rm -rf $(addprefix $(INSTALLDIR),$(addsuffix .ko,$(list-m)))
 144         /sbin/depmod -a ${KVER}
 145
 146 endif # End of internal build
 147
 148 .PHONY: TAGS tags
 149
 150 RCS_FIND_IGNORE := \( -name SCCS -o -name BitKeeper -o -name .svn -o -name CVS \) -prune -o
 151 define all-sources
 152         ( find . $(RCS_FIND_IGNORE) -name '*.[chS]' -print )
 153 endef
 154
 155 TAGS:
 156         $(all-sources) | etags -
 157 tags:
 158         $(RM) -f $@
 159         CTAGSF=`ctags --version | grep -i exuberant >/dev/null && echo "-I __initdata,__exitdata,EXPORT_SYMBOL,EXPORT_SYMBOL_NOVERS"`; \
 160         $(all-sources) | xargs ctags $$CTAGSF -a
 161