CFLAGS = -Iinclude -Wall -Wextra -MMD #-Werror

CURDIR := $(abspath $(dir $(lastword $(MAKEFILE_LIST))))

O ?= build
OUT := $(O)
EMU_OUT := $(abspath $(OUT))

SHELL_HACK := $(shell mkdir -p $(OUT))
GIT_HOOKS := .git/hooks/applied

LIBSRCS = $(shell find ./src -name '*.c')
_LIB_OBJ =  $(notdir $(LIBSRCS))
LIB_OBJ = $(_LIB_OBJ:%.c=$(OUT)/%.o)

TEST_OBJ = $(EMU_OUT)/emu_test.obj
TEST_BIN = $(EMU_OUT)/emu_test.bin

vpath %.c $(sort $(dir $(LIBSRCS)))
.PHONY: all debug clean

all: CFLAGS += -O0 -g
all: LDFLAGS += -O0

debug: CFLAGS += -O0 -g -DDEBUG
debug: LDFLAGS += -O0

$(GIT_HOOKS):
	@scripts/install-git-hooks
	@echo

$(OUT)/%.o: %.c
	$(CC) -c $(CFLAGS) $< -o $@

emu:
	cd src && make all

stub: emu
	$(EMU_OUT)/emu $(TEST_BIN)

gdb: emu
	gdb-multiarch $(TEST_OBJ) -ex "set architecture riscv:rv32" -ex "target remote 127.0.0.1:1234"

clean:
	$(RM) -rf build

-include $(OUT)/*.d