tools/spi/Makefile

   1 include ../scripts/Makefile.include
   2
   3 bindir ?= /usr/bin
   4
   5 ifeq ($(srctree),)
   6 srctree := $(patsubst %/,%,$(dir $(CURDIR)))
   7 srctree := $(patsubst %/,%,$(dir $(srctree)))
   8 endif
   9
  10 # Do not use make's built-in rules
  11 # (this improves performance and avoids hard-to-debug behaviour);
  12 MAKEFLAGS += -r
  13
  14 CC = $(CROSS_COMPILE)gcc
  15 LD = $(CROSS_COMPILE)ld
  16 CFLAGS += -O2 -Wall -g -D_GNU_SOURCE -I$(OUTPUT)include
  17
  18 ALL_TARGETS := spidev_test spidev_fdx
  19 ALL_PROGRAMS := $(patsubst %,$(OUTPUT)%,$(ALL_TARGETS))
  20
  21 all: $(ALL_PROGRAMS)
  22
  23 export srctree OUTPUT CC LD CFLAGS
  24 include $(srctree)/tools/build/Makefile.include
  25
  26 #
  27 # We need the following to be outside of kernel tree
  28 #
  29 $(OUTPUT)include/linux/spi/spidev.h: ../../include/uapi/linux/spi/spidev.h
  30         mkdir -p $(OUTPUT)include/linux/spi 2>&1 || true
  31         ln -sf $(CURDIR)/../../include/uapi/linux/spi/spidev.h $@
  32
  33 prepare: $(OUTPUT)include/linux/spi/spidev.h
  34
  35 #
  36 # spidev_test
  37 #
  38 SPIDEV_TEST_IN := $(OUTPUT)spidev_test-in.o
  39 $(SPIDEV_TEST_IN): prepare FORCE
  40         $(Q)$(MAKE) $(build)=spidev_test
  41 $(OUTPUT)spidev_test: $(SPIDEV_TEST_IN)
  42         $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@
  43
  44 #
  45 # spidev_fdx
  46 #
  47 SPIDEV_FDX_IN := $(OUTPUT)spidev_fdx-in.o
  48 $(SPIDEV_FDX_IN): prepare FORCE
  49         $(Q)$(MAKE) $(build)=spidev_fdx
  50 $(OUTPUT)spidev_fdx: $(SPIDEV_FDX_IN)
  51         $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@
  52
  53 clean:
  54         rm -f $(ALL_PROGRAMS)
  55         rm -f $(OUTPUT)include/linux/spi/spidev.h
  56         find $(if $(OUTPUT),$(OUTPUT),.) -name '*.o' -delete -o -name '\.*.d' -delete
  57
  58 install: $(ALL_PROGRAMS)
  59         install -d -m 755 $(DESTDIR)$(bindir);          \
  60         for program in $(ALL_PROGRAMS); do              \
  61                 install $$program $(DESTDIR)$(bindir);  \
  62         done
  63
  64 FORCE:
  65
  66 .PHONY: all install clean FORCE prepare