# Works only when there is only one target
# You may want to modify it
run_debug: debug
	./$(TARGETS_EXE_DEBUG)

# Works only when there is only one target
# You may want to modify it
run_release: release
	./$(TARGETS_EXE_RELEASE)


CC				:= gcc
FLAGS_DEBUG 	:= -g
FLAGS_RELEASE 	:= -O3

BIN_DEBUG	:= bin/debug
BIN_RELEASE 	:= bin/release
SRC		:= src
SRCS		:= $(wildcard $(SRC)/*.c)
TARGET		:= target
TARGETS		:= $(wildcard $(TARGET)/*.c)
INCLUDE		:= include
LIB		:= lib

LIBRARIES	:=

OBJ_DEBUG	:= obj/debug
OBJS_DEBUG	:= $(patsubst $(SRC)/%.c,$(OBJ_DEBUG)/%.o,$(SRCS))
OBJ_TARGET_DEBUG	:= obj/target/debug
OBJS_TARGET_DEBUG	:= $(patsubst $(TARGET)/%.c,$(OBJ_TARGET_DEBUG)/%.o,$(TARGETS))

OBJ_RELEASE	:= obj/release
OBJS_RELEASE	:= $(patsubst $(SRC)/%.c,$(OBJ_RELEASE)/%.o,$(SRCS))
OBJ_TARGET_RELEASE	:= obj/target/release
OBJS_TARGET_RELEASE	:= $(patsubst $(TARGET)/%.c,$(OBJ_TARGET_RELEASE)/%.o,$(TARGETS))

DEP			:= dep
DEPS		:= $(patsubst $(SRC)/%.c,$(DEP)/%.d,$(SRCS))
DEP_TARGET	:= dep/target
DEPS_TARGET	:= $(patsubst $(TARGET)/%.c,$(DEP_TARGET)/%.d,$(TARGETS))

ifeq ($(OS),Windows_NT)
TARGETS_EXE_DEBUG	:= $(patsubst $(TARGET)/%.c,$(BIN_DEBUG)/%.exe,$(TARGETS))
TARGETS_EXE_RELEASE	:= $(patsubst $(TARGET)/%.c,$(BIN_RELEASE)/%.exe,$(TARGETS))
RM 			:= del
MKDIR			:= mkdir
else
TARGETS_EXE_DEBUG	:= $(patsubst $(TARGET)/%.c,$(BIN_DEBUG)/%,$(TARGETS))
TARGETS_EXE_RELEASE	:= $(patsubst $(TARGET)/%.c,$(BIN_RELEASE)/%,$(TARGETS))
RM 			:= rm -f
MKDIR			:= mkdir -p
endif

clean_debug:
	$(RM) $(TARGETS_EXE_DEBUG) $(OBJS_DEBUG) $(OBJS_TARGET_DEBUG)

clean_release:
	$(RM) $(TARGETS_EXE_RELEASE) $(OBJS_RELEASE) $(OBJS_TARGET_RELEASE)

clean:	clean_debug clean_release
	$(RM) $(DEPS) $(DEP)/*.d.* $(DEPS_TARGET) $(DEP_TARGET)/*.d.*


$(DEP)/%.d: $(SRC)/%.c
	@set -e; \
	$(MKDIR) $(DEP); \
	$(RM) $@; \
	$(CC) -MM -I$(INCLUDE) $< > $@.$$$$; \
	sed 's,^.*:,$@ $(OBJ_DEBUG)/$(patsubst $(SRC)/%.c,%,$<).o $(OBJ_RELEASE)/&,g' < $@.$$$$ > $@; \
	$(RM) $@.$$$$

$(DEP_TARGET)/%.d: $(TARGET)/%.c
	@set -e; \
	$(MKDIR) $(DEP_TARGET); \
	$(RM) $@; \
	$(CC) -MM -I$(INCLUDE) $< > $@.$$$$; \
	sed 's,^.*:,$@ $(OBJ_TARGET_DEBUG)/$(patsubst $(TARGET)/%.c,%,$<).o $(OBJ_TARGET_RELEASE)/&,g' < $@.$$$$ > $@; \
	$(RM) $@.$$$$

-include $(DEPS)
-include $(DEPS_TARGET)


$(OBJ_DEBUG)/%.o: $(SRC)/%.c $(DEP)/%.d
	$(MKDIR) $(OBJ_DEBUG)
	$(CC) $(FLAGS_DEBUG) -c -I$(INCLUDE) -L$(LIB) $< -o $@

$(OBJ_TARGET_DEBUG)/%.o: $(TARGET)/%.c $(DEP_TARGET)/%.d
	$(MKDIR) $(OBJ_TARGET_DEBUG)
	$(CC) $(FLAGS_DEBUG) -c -I$(INCLUDE) -L$(LIB) $< -o $@

$(BIN_DEBUG)/%: $(OBJS_DEBUG) $(OBJ_TARGET_DEBUG)/%.o
	$(MKDIR) $(BIN_DEBUG)
	$(CC) $^ -o $@ $(LIBRARIES)

debug: $(TARGETS_EXE_DEBUG)


$(OBJ_RELEASE)/%.o: $(SRC)/%.c $(DEP)/%.d
	$(MKDIR) $(OBJ_RELEASE)
	$(CC) $(FLAGS_RELEASE) -c -I$(INCLUDE) -L$(LIB) $< -o $@

$(OBJ_TARGET_RELEASE)/%.o: $(TARGET)/%.c $(DEP_TARGET)/%.d
	$(MKDIR) $(OBJ_TARGET_RELEASE)
	$(CC) $(FLAGS_RELEASE) -c -I$(INCLUDE) -L$(LIB) $< -o $@

$(BIN_RELEASE)/%: $(OBJS_RELEASE) $(OBJ_TARGET_RELEASE)/%.o
	$(MKDIR) $(BIN_RELEASE)
	$(CC) $^ -o $@ $(LIBRARIES)

release: $(TARGETS_EXE_RELEASE)

.PHONY: clean_debug clean_release clean debug run_debug release run_release