CC = i686-elf-gcc
LD = i686-elf-ld

SYSROOT = ../sysroot
USR_INCLUDE = $(SYSROOT)/usr/include
USR_LIB		= $(SYSROOT)/usr/lib

CFLAGS = -ffreestanding -O2 -Wall -Wextra -I$(USR_INCLUDE)
LDFLAGS = -m elf_i386 -nostdlib

TARGET = rockterm

all: $(TARGET)

crt0.o: crt0.S
	$(CC) $(CFLAGS) -c crt0.S -o crt0.o

main.o: main.c
	$(CC) $(CFLAGS) -c main.c -o main.o

$(TARGET): crt0.o main.o $(USR_LIB)/*
	$(LD) $(LDFLAGS) -T linker.ld crt0.o main.o $(USR_LIB)/* -o $(TARGET)
	cp $(TARGET) $(SYSROOT)/usr/bin

clean:
	rm -f *.o $(TARGET) compile_commands.json
	rm -rf .cache

.PHONY: all clean test