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Makefile.dir-variables
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Makefile.dir-variables
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### This Makefile creates variables for all Contiki-NG directory locations
### Instead of storing them in the top-level Makefile.include, we store them
### in this separate Makefile here, which is included by Makefile.include
### This allows examples that wish to specify additional MODULES to include
### this Makefile and append to MODULES using the path variables defined here
# Variables for the various directories under os/
# Those are sometimes used relative to the top-level dir in which case we don't
# need to prepend $(CONTIKI), as well as relative to the example dir, in which
# case we do. So we define the variables to suit the former case and we will
# prepend $(CONTIKI) explicitly where needed.
CONTIKI_NG_OS_DIR = os
CONTIKI_NG_SYS_DIR = $(CONTIKI_NG_OS_DIR)/sys
CONTIKI_NG_NET_DIR = $(CONTIKI_NG_OS_DIR)/net
CONTIKI_NG_MAC_DIR = $(CONTIKI_NG_NET_DIR)/mac
CONTIKI_NG_ROUTING_DIR = $(CONTIKI_NG_NET_DIR)/routing
CONTIKI_NG_APP_LAYER_DIR = $(CONTIKI_NG_NET_DIR)/app-layer
CONTIKI_NG_SECURITY_DIR = $(CONTIKI_NG_NET_DIR)/security
CONTIKI_NG_DEV_DIR = $(CONTIKI_NG_OS_DIR)/dev
CONTIKI_NG_LIB_DIR = $(CONTIKI_NG_OS_DIR)/lib
CONTIKI_NG_SERVICES_DIR = $(CONTIKI_NG_OS_DIR)/services
CONTIKI_NG_STORAGE_DIR = $(CONTIKI_NG_OS_DIR)/storage
# Variables for directories under arch
#
# We maintain backwards compatibility with ARCH_PATH, which allows us to
# relocate arch/cpu and arch/platform to an out-of-tree location without
# relocating arch/dev.
#
# $(CONTIKI_NG_RELOC_CPU_DIR) and $(CONTIKI_NG_RELOC_PLATFORM_DIR) will always
# hold the path of the respective dir, relative to the example dir
#
# If ARCH_PATH is _not_ specified, then the cpu/ & platform/ path relative to
# the top-level dir is simply expressed as $(CONTIKI_NG_ARCH_CPU_DIR). This
# allows us to use this variable to append to $(MODULES)
#
# If however ARCH_PATH _is_ specified then paths relative to the top-level
# cannot be expressed since they are always assumed to be under $(CONTIKI)
# while $(ARCH_PATH) is outside it. This means that directories under a
# relocated cpu/ and/or platform/ dir cannot be used as MODULES. This reflects
# old behaviour
ARCH_PATH ?= $(CONTIKI)/arch
# Potentially relocated CPU/Platform dirs, relative to the example dir
CONTIKI_NG_RELOC_CPU_DIR = $(ARCH_PATH)/cpu
CONTIKI_NG_RELOC_PLATFORM_DIR = $(ARCH_PATH)/platform
# A variable representing the location of the non-relocated arch/ dir.
# Used to construct variables for:
# * everything under arch/dev and arch/cpu/arm
# * non-relocated arch/cpu and arch/platform
CONTIKI_NG_ARCH_DIR = arch
CONTIKI_NG_ARCH_CPU_DIR = $(CONTIKI_NG_ARCH_DIR)/cpu
CONTIKI_NG_ARCH_PLATFORM_DIR = $(CONTIKI_NG_ARCH_DIR)/platform
# Arm-related dirs relative to the top-level dir
CONTIKI_NG_ARM_DIR = $(CONTIKI_NG_ARCH_CPU_DIR)/arm
CONTIKI_NG_CORTEX_DIR = $(CONTIKI_NG_ARM_DIR)/cortex-m
CONTIKI_NG_CM3_DIR = $(CONTIKI_NG_CORTEX_DIR)/cm3
CONTIKI_NG_CM4_DIR = $(CONTIKI_NG_CORTEX_DIR)/cm4
CONTIKI_NG_CM33_DIR = $(CONTIKI_NG_CORTEX_DIR)/cm33
# arch/dev is used exclusively as a MODULE so we do not prepend $(CONTIKI)
CONTIKI_NG_DRIVERS_DIR = $(CONTIKI_NG_ARCH_DIR)/dev
CONTIKI_NG_DRIVERS_ETC_DIR = $(CONTIKI_NG_DRIVERS_DIR)/etc
CONTIKI_NG_DRIVERS_ETHERNET_DIR = $(CONTIKI_NG_DRIVERS_DIR)/ethernet
CONTIKI_NG_DRIVERS_RADIO_DIR = $(CONTIKI_NG_DRIVERS_DIR)/radio
CONTIKI_NG_DRIVERS_SENSOR_DIR = $(CONTIKI_NG_DRIVERS_DIR)/sensor
CONTIKI_NG_DRIVERS_STORAGE_DIR = $(CONTIKI_NG_DRIVERS_DIR)/storage
# tools/ is used exclusively to invoke commands therein and is always used in
# conjunction with $(CONTIKI)
CONTIKI_NG_TOOLS_DIR = $(CONTIKI)/tools