CC=sh-elf-gcc
AS=sh-elf-gcc
AR=sh-elf-gcc-ar
RANLIB=sh-elf-gcc-ranlib

CFLAGS=-c -ffunction-sections -fdata-sections -Os -Lr -I./include \
	   -lm -m4-nofpu -mb -ffreestanding -nostdlib -Wa,--dsp -flto -std=c99 -Wall -Wextra
ARFLAGS=rs
VPATH=syscalls
SHSOURCES=$(wildcard src/*.S) $(wildcard src/*.S)
CSOURCES=$(wildcard src/*.c)

OBJECTS=$(SHSOURCES:.S=.o) $(CSOURCES:.c=.o) $(CXXSOURCES:.cpp=.o)
LIBRARY=./libserial.a

all: $(SOURCES) $(LIBRARY)
	
$(LIBRARY): $(OBJECTS)
	$(AR) $(ARFLAGS) $@ $(OBJECTS) 

.S.o:
	$(CC) $(CFLAGS)  -x assembler-with-cpp $(abspath $<) -o $@

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

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

clean:
	rm -f $(OBJECTS) $(LIBRARY)