1*84e33947SAndroid Build Coastguard Worker# 2*84e33947SAndroid Build Coastguard Worker# Build targets for a risc-v based architecture 3*84e33947SAndroid Build Coastguard Worker# 4*84e33947SAndroid Build Coastguard Worker 5*84e33947SAndroid Build Coastguard Worker# Environment Checks ########################################################### 6*84e33947SAndroid Build Coastguard Worker 7*84e33947SAndroid Build Coastguard Workerifeq ($(ANDROID_BUILD_TOP),) 8*84e33947SAndroid Build Coastguard Worker$(error "You should supply an ANDROID_BUILD_TOP environment variable \ 9*84e33947SAndroid Build Coastguard Worker containing a path to the Android source tree. This is typically \ 10*84e33947SAndroid Build Coastguard Worker provided by initializing the Android build environment.") 11*84e33947SAndroid Build Coastguard Workerendif 12*84e33947SAndroid Build Coastguard Worker 13*84e33947SAndroid Build Coastguard Workerifeq ($(RISCV_TOOLCHAIN_PATH),) 14*84e33947SAndroid Build Coastguard Worker$(error "The risc-v toolchain directory needs to be exported as the \ 15*84e33947SAndroid Build Coastguard Worker RISCV_TOOLCHAIN_PATH environment variable") 16*84e33947SAndroid Build Coastguard Workerendif 17*84e33947SAndroid Build Coastguard Worker 18*84e33947SAndroid Build Coastguard Worker# Tools ######################################################################## 19*84e33947SAndroid Build Coastguard Worker 20*84e33947SAndroid Build Coastguard WorkerTARGET_AR = $(RISCV_TOOLCHAIN_PATH)/bin/llvm-ar 21*84e33947SAndroid Build Coastguard WorkerTARGET_CC = $(RISCV_TOOLCHAIN_PATH)/bin/clang 22*84e33947SAndroid Build Coastguard WorkerTARGET_LD = $(RISCV_TOOLCHAIN_PATH)/bin/ld.lld 23*84e33947SAndroid Build Coastguard Worker 24*84e33947SAndroid Build Coastguard Worker# Shared Object Linker Flags ################################################### 25*84e33947SAndroid Build Coastguard Worker 26*84e33947SAndroid Build Coastguard WorkerTARGET_SO_LDFLAGS += --gc-sections 27*84e33947SAndroid Build Coastguard WorkerTARGET_SO_LDFLAGS += -shared 28*84e33947SAndroid Build Coastguard Worker 29*84e33947SAndroid Build Coastguard Worker# Optimization Level ########################################################### 30*84e33947SAndroid Build Coastguard Worker 31*84e33947SAndroid Build Coastguard WorkerTARGET_CFLAGS += -O$(OPT_LEVEL) 32