#ARCH=mips-elf
ARCH=mips-linux-gnu

#SOURCES = crt0local.S selection-sort-cache_elf.S
SOURCES = selection-sort-cache_elf.S
TARGET_EXE = selection-sort-cache.mips-elf

CC=$(ARCH)-gcc
CXX=$(ARCH)-g++
AS=$(ARCH)-as
LD=$(ARCH)-ld
OBJCOPY=$(ARCH)-objcopy

#ARCHFLAGS += -march=mips3
ARCHFLAGS += -fno-lto
#ARCHFLAGS += -mno-shared

CFLAGS  += -ggdb -O3 -Wall
CXXFLAGS+= -ggdb -O3 -Wall
AFLAGS  += -ggdb
LDFLAGS += -ggdb
LDFLAGS += -nostdlib
LDFLAGS += -nodefaultlibs
LDFLAGS += -nostartfiles
#LDFLAGS += -static
#LDFLAGS += -specs=/opt/musl/mips-linux-gnu/lib/musl-gcc.specs

CFLAGS  += $(ARCHFLAGS)
CXXFLAGS+= $(ARCHFLAGS)
AFLAGS  += $(ARCHFLAGS)
LDFLAGS += $(ARCHFLAGS)

OBJECTS += $(filter %.o,$(SOURCES:%.S=%.o))
OBJECTS += $(filter %.o,$(SOURCES:%.c=%.o))
OBJECTS += $(filter %.o,$(SOURCES:%.cpp=%.o))

all : default

.PHONY : default clean dep all

%.o:%.S
	$(CC) -D__ASSEMBLY__ $(AFLAGS) -c $< -o $@

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

%.o:%.cpp
	$(CXX) $(CXXFLAGS) $(CPPFLAGS) -c $<

%.s:%.c
	$(CC) $(CFLAGS) $(CPPFLAGS) -S $< -o $@

default : $(TARGET_EXE)

$(TARGET_EXE) : $(OBJECTS)
	$(CC) $(LDFLAGS) $^ -o $@

dep: depend

depend: $(SOURCES) $(glob *.h)
	echo '# autogenerated dependencies' > depend
ifneq ($(filter %.S,$(SOURCES)),)
	$(CC)  -D__ASSEMBLY__ $(AFLAGS) -w -E -M $(filter %.S,$(SOURCES)) \
	  >> depend
endif
ifneq ($(filter %.c,$(SOURCES)),)
	$(CC) $(CFLAGS) $(CPPFLAGS) -w -E -M $(filter %.c,$(SOURCES)) \
	  >> depend
endif
ifneq ($(filter %.cpp,$(SOURCES)),)
	$(CXX) $(CXXFLAGS) $(CPPFLAGS) -w -E -M $(filter %.cpp,$(SOURCES)) \
	  >> depend
endif

clean:
	rm -f *.o *.a $(OBJECTS) $(TARGET_EXE) depend

#mips-elf-objdump --source -M no-aliases,reg-names=numeric qtmips_binrep

-include depend