HOST_GCC = gcc
GCC = nspire-gcc
LD = nspire-ld
GCCFLAGS = -Os -nostdlib -Wall -W -Wno-attributes -marm -mcpu=arm926ej-s -s -fPIE -ffreestanding
LDFLAGS = -nostdlib -ffreestanding --no-startup --no-ldscript -T ldscript 
OBJCOPY := "$(shell which arm-elf-objcopy 2>/dev/null)"
ifeq (${OBJCOPY},"")
	OBJCOPY := arm-none-eabi-objcopy
endif
TNS = nlaunch.tns
TNC = nlaunch.tnc
TNO = nlaunch.tno
BUILDTNCO = buildtnco
BUILDIMG = buildimg
DISTDIR = ../src
vpath %.tns $(DISTDIR)

all: $(TNS) $(BUILDTNCO) $(BUILDIMG) $(TNC)

nlaunch.o: nlaunch.c patch.c patch_common.c patch_other.c ndless.c
	$(GCC) $(GCCFLAGS) -c $<

$(TNS): nlaunch.o
	$(LD) $(LDFLAGS) $^ -o $(@:.tns=.elf)
	$(OBJCOPY) -O binary $(@:.tns=.elf) $@

$(BUILDTNCO): buildtnco.c
	$(HOST_GCC) -Os -s -o $@ $<

$(BUILDIMG): buildimg.c
	$(HOST_GCC) -Os -s -o $@ $<

$(TNC): $(TNS) $(BUILDTNCO)
	./$(BUILDTNCO)

clean:
	rm -f *.o *.elf
	rm -f $(TNS)
	rm -f $(DISTDIR)/$(TNC)
	rm -f $(DISTDIR)/$(TNO)
	rm -f $(BUILDTNCO)
	rm -f $(BUILDIMG)