MAKECMDGOALSNSP

SOURCES = test.c derp.c
OBJECTS = $(SOURCES:.c=.o)
TARGET = test.tns

CC = nspire-gcc
LD = nspire-ld
OBJCOPY = arm-none-eabi-objcopy
CFLAGS = -Wall -Wextra -nostdlib -O3
LDFLAGS =

ifneq ($(findstring cx,$(MAKECMDGOALS)),)
    CFLAGS += -D NSP_COLOR_LCD
    LIBS = -lSDL-CX
else
    LIBS = -lSDL
endif

cx: all
tc: all
all: $(TARGET)

$(TARGET): $(OBJECTS)
    $(LD) $(LDFLAGS) $^ $(LIBS) -o $(@:.tns=.elf)
    $(OBJCOPY) -O binary $(@:.tns=.elf) $(TARGET)

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

clean:
    rm -f $(OBJECTS) *.elf