Makefile

#
# Makefile for the linux kernel.
#

# CPU-specific support
obj-$(CONFIG_SOC_AT91RM9200)	+= at91rm9200.o
obj-$(CONFIG_SOC_AT91SAM9)	+= at91sam9.o
obj-$(CONFIG_SOC_SAMA5)		+= sama5.o
obj-$(CONFIG_SOC_SAMV7)		+= samv7.o

# Power Management
obj-$(CONFIG_PM)		+= pm.o
obj-$(CONFIG_PM)		+= pm_suspend.o

ifeq ($(CONFIG_CPU_V7),y)
AFLAGS_pm_suspend.o := -march=armv7-a
endif
ifeq ($(CONFIG_PM_DEBUG),y)
CFLAGS_pm.o += -DDEBUG
endif

# Default sed regexp - multiline due to syntax constraints
define sed-y
	"/^->/{s:->#\(.*\):/* \1 */:; \
	s:^->\([^ ]*\) [\$$#]*\([-0-9]*\) \(.*\):#define \1 \2 /* \3 */:; \
	s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; \
	s:->::; p;}"
endef

# Use filechk to avoid rebuilds when a header changes, but the resulting file
# does not
define filechk_offsets
	(set -e; \
	 echo "#ifndef $2"; \
	 echo "#define $2"; \
	 echo "/*"; \
	 echo " * DO NOT MODIFY."; \
	 echo " *"; \
	 echo " * This file was generated by Kbuild"; \
	 echo " */"; \
	 echo ""; \
	 sed -ne $(sed-y); \
	 echo ""; \
	 echo "#endif" )
endef

arch/arm/mach-at91/pm_data-offsets.s: arch/arm/mach-at91/pm_data-offsets.c
	$(call if_changed_dep,cc_s_c)

include/generated/at91_pm_data-offsets.h: arch/arm/mach-at91/pm_data-offsets.s FORCE
	$(call filechk,offsets,__PM_DATA_OFFSETS_H__)

arch/arm/mach-at91/pm_suspend.o: include/generated/at91_pm_data-offsets.h