1# 2# Common Makefile Rules 3# 4 5# Environment Checks ########################################################### 6 7ifeq ($(OPT_LEVEL),) 8$(warning The OPT_LEVEL variable is unset. Defaulting to 0.) 9OPT_LEVEL = 0 10endif 11 12ifeq ($(OUTPUT_NAME),) 13$(error "The OUTPUT_NAME variable must be set to the name of the desired \ 14 binary. Example: OUTPUT_NAME = my_nanoapp") 15endif 16 17# Define all ################################################################### 18 19# All is defined here as the first target which causes make to build all by 20# default when no targets are supplied. 21.PHONY: all 22all: 23 24# If no make command goals are specified, default to all. At least one target 25# is required for environment checks. Building all will require toolchains for 26# all supported architectures which may not be desirable. 27ifeq ($(MAKECMDGOALS),) 28MAKECMDGOALS = all 29endif 30 31# Variant-specific Support Source Files ######################################## 32 33SYS_SUPPORT_PATH = $(CHRE_PREFIX)/build/sys_support 34 35# Host Toolchain ############################################################### 36 37# The host toolchain is used to compile any programs for the compilation host 38# in order to complete the build. 39 40ifeq ($(CHRE_HOST_CC),) 41CHRE_HOST_CC = g++ 42endif 43 44# Makefile Includes ############################################################ 45 46# Common Includes 47include $(CHRE_PREFIX)/build/clean.mk 48include $(CHRE_PREFIX)/build/tools_config.mk 49 50# NanoPB Source Generation 51include $(CHRE_PREFIX)/build/nanopb.mk 52 53# TFLM Sources 54include $(CHRE_PREFIX)/build/tflm.mk