#
# NOTE this is provided as experimental Makefile to ARM32 cross building
#      some modules of compiler.
#

BUILD_TYPE?=Debug

CURRENT_DIR=$(shell pwd)
BUILDFOLDER=build
ARM32_FOLDER=arm32
ROOTFS_ARM?=$(CURRENT_DIR)/tools/cross/rootfs/arm
NNCC_CFG_OPTION_EXTRA?=

TYPE_FOLDER=$(shell echo $(BUILD_TYPE) | tr A-Z a-z)

BUILD_ARM32_FOLDER=$(BUILDFOLDER)/$(ARM32_FOLDER).$(TYPE_FOLDER)
BUILD_ARM32_HOST=$(BUILDFOLDER)/$(ARM32_FOLDER).$(TYPE_FOLDER).host

ARM32_INSTALL_FOLDER=$(CURRENT_DIR)/$(BUILDFOLDER)/$(ARM32_FOLDER).$(TYPE_FOLDER).install
ARM32_INSTALL_HOST=$(CURRENT_DIR)/$(BUILDFOLDER)/$(ARM32_FOLDER).$(TYPE_FOLDER).host.install

# ARM32 build
ARM32_BUILD_ITEMS:=angkor;cwrap;pepper-str;pepper-strcast;pp
ARM32_BUILD_ITEMS+=;pepper-csv2vec;crew
ARM32_BUILD_ITEMS+=;oops;pepper-assert
ARM32_BUILD_ITEMS+=;hermes;hermes-std
ARM32_BUILD_ITEMS+=;loco;locop;logo-core;logo
ARM32_BUILD_ITEMS+=;safemain;mio-circle04;mio-tflite280
ARM32_BUILD_ITEMS+=;dio-hdf5
ARM32_BUILD_ITEMS+=;foder;circle-verify;souschef;arser;vconone
ARM32_BUILD_ITEMS+=;luci
ARM32_BUILD_ITEMS+=;luci-interpreter
ARM32_BUILD_ITEMS+=;tflite2circle
ARM32_BUILD_ITEMS+=;tflchef;circlechef
ARM32_BUILD_ITEMS+=;circle2circle;record-minmax;circle-quantizer
ARM32_BUILD_ITEMS+=;luci-eval-driver;luci-value-test

ARM32_TOOLCHAIN_FILE=cmake/buildtool/cross/toolchain_armv7l-linux.cmake

ARM32_HOST_ITEMS:=angkor;cwrap;pepper-str;pepper-strcast;pp
ARM32_HOST_ITEMS+=;pepper-csv2vec
ARM32_HOST_ITEMS+=;oops
ARM32_HOST_ITEMS+=;hermes;hermes-std
ARM32_HOST_ITEMS+=;loco;locop;logo-core;logo
ARM32_HOST_ITEMS+=;safemain;mio-circle04;mio-tflite280
ARM32_HOST_ITEMS+=;foder;circle-verify;souschef;arser;vconone
ARM32_HOST_ITEMS+=;luci
ARM32_HOST_ITEMS+=;luci-interpreter
ARM32_HOST_ITEMS+=;tflite2circle
ARM32_HOST_ITEMS+=;tflchef;circlechef
ARM32_HOST_ITEMS+=;circle-tensordump
ARM32_HOST_ITEMS+=;circle2circle
ARM32_HOST_ITEMS+=;common-artifacts
ARM32_HOST_ITEMS+=;luci-eval-driver;luci-value-test


_SPACE_:=
_SPACE_+=
ARM32_BUILD_WHITELIST=$(subst $(_SPACE_),,$(ARM32_BUILD_ITEMS))
ARM32_HOST_WHITELIST=$(subst $(_SPACE_),,$(ARM32_HOST_ITEMS))

NNCC_CFG_OPTION+= -DCMAKE_BUILD_TYPE=$(BUILD_TYPE) -DENABLE_COVERAGE=OFF

NNCC_CFG_STRICT= -DENABLE_STRICT_BUILD=ON

INT_TARGETS:=int_configure_arm32 int_configure_arm32_host \
  int_build_arm32 int_build_arm32_host int_test_arm32_host int_test

NNCC_ARM32_DEBUG= -DBUILD_WHITELIST="$(ARM32_BUILD_WHITELIST)"
NNCC_ARM32_DEBUG_HOST= -DBUILD_WHITELIST="$(ARM32_HOST_WHITELIST)"

DEF_TARGETS:=all

VAL_TARGETS:=cfg debug test_prep test

.PHONY: $(INT_TARGETS) $(DEF_TARGETS) $(VAL_TARGETS)

.DEFAULT_GOAL: help

help:
	@echo "cfg      : debug configure"
	@echo "debug    : debug build"
	@echo "test_prep: debug test preparation"
	@echo "test     : debug test in target"

###############################################################################
# do not call int_xxxx directly as the depend on environment variables

#
# configures
#

int_configure_arm32_host:
	NNCC_WORKSPACE=$(BUILD_ARM32_HOST) ./nncc configure \
		$(NNCC_CFG_OPTION) \
		$(NNCC_ARM32_DEBUG_HOST) $(NNCC_CFG_STRICT) \
		-DCMAKE_INSTALL_PREFIX="$(ARM32_INSTALL_HOST)" \
		-DENABLE_TEST=ON

int_configure_arm32:
	ROOTFS_DIR=$(ROOTFS_ARM) TARGET_ARCH=armv7l \
	BUILD_HOST_EXEC=$(CURRENT_DIR)/$(BUILD_ARM32_HOST) \
	NNCC_WORKSPACE=$(BUILD_ARM32_FOLDER) ./nncc configure \
		$(NNCC_CFG_OPTION) $(NNCC_CFG_OPTION_EXTRA) \
		$(NNCC_ARM32_DEBUG) $(NNCC_CFG_STRICT) \
		-DCMAKE_TOOLCHAIN_FILE=$(ARM32_TOOLCHAIN_FILE) \
		-DCMAKE_INSTALL_PREFIX="$(ARM32_INSTALL_FOLDER)" \
		-DENABLE_TEST=ON


#
# builds
#
int_build_arm32_host:
	NNCC_WORKSPACE=$(BUILD_ARM32_HOST) ./nncc build -j1

int_build_arm32:
	ROOTFS_DIR=$(ROOTFS_ARM) TARGET_ARCH=armv7l \
	BUILD_HOST_EXEC=$(CURRENT_DIR)/$(BUILD_ARM32_HOST) \
	NNCC_WORKSPACE=$(BUILD_ARM32_FOLDER) ./nncc build -j1

#
# host test; run test in host to generate random input and expected outputs
#
int_test_arm32_host:
	NNCC_WORKSPACE=$(BUILD_ARM32_HOST) ./nncc test

#
# tests: run in ARM32 Ubuntu 18.04 device
#
int_test:
	NNCC_WORKSPACE=$(BUILD_ARM32_FOLDER) ./nncc test

################################################################################

all: int_configure_arm32_host int_build_arm32_host int_configure_arm32 int_build_arm32

cfg: int_configure_arm32_host int_build_arm32_host int_configure_arm32

debug: int_build_arm32

# NOTE before run test in ARM32, run test in host is required to prepare test data
test_prep: int_test_arm32_host

# NOTE run test in ARM32 Ubuntu 18.04 device
test: int_test