INC := inc
SRC := src
OBJ := obj
BIN := bin
DEP := dep

LIB_INCS  := 
CXX       := g++
CXXFLAGS  := -Wall -I$(INC) $(LIB_INCS) -g -pedantic -lstdc++ -lm
CXX_OBJ   := $(CXX) -c
CXX_DEP   := $(CXX) -MM

DEPENDENCY_CREATER := ./GNUmakefile.dependency.sh

OBJECTS     := $(patsubst $(SRC)/%.cpp,$(OBJ)/%.o,$(wildcard $(SRC)/*.cpp))
DEPENDENCYS := $(patsubst $(SRC)/%.cpp,$(DEP)/%.d,$(wildcard $(SRC)/*.cpp))

TARGET_FILE := GNUmakefile.targets
TARGETS     := 

NAME := empty

.PHONY: all all2 dep clean init new del add sub

all: all2

-include $(TARGET_FILE)

all2: $(TARGETS)

init:
	-@mkdir -p $(BIN)
	-@mkdir -p $(SRC)
	-@mkdir -p $(INC)
	-@mkdir -p $(OBJ)
	-@mkdir -p $(DEP)
	-@echo '' > $(TARGET_FILE)

new:
	@set -e; echo "Add target '$(NAME)'"; \
	echo 'TARGETS := $$(TARGETS) $$(BIN)/$(NAME)'								>> $(TARGET_FILE); \
	echo '$(NAME)_OBJS := $(foreach n,$(OBJS),$$(OBJ)/$(n).o)'						>> $(TARGET_FILE); \
	echo '$(NAME)_LIBS := $(LIBS)'										>> $(TARGET_FILE); \
	echo '$$(BIN)/$(NAME): $$(OBJ)/$(NAME).o $$($(NAME)_OBJS)'						>> $(TARGET_FILE); \
	echo '\t@echo Target: $$@...'										>> $(TARGET_FILE); \
	echo '\t@$$(CXX) $$^ $$(CXXFLAGS) `pkg-config --cflags --libs $$($(NAME)_LIBS) 2>/dev/null` -o $$@'	>> $(TARGET_FILE); \
	echo ''													>> $(TARGET_FILE)

add:
	@set -e; echo "Add Objects $(OBJS) to Target '$(NAME)'";							\
	sed '/^$(NAME)_OBJS :=/s/$$/& $(foreach n,$(OBJS),\$$(OBJ)\/$(n).o)/' $(TARGET_FILE) >$(TARGET_FILE).$$$$;	\
	mv -f $(TARGET_FILE).$$$$ $(TARGET_FILE)
	@set -e; echo "Add Libraries $(LIBS) to Target '$(NAME)'";							\
	sed '/^$(NAME)_LIBS :=/s/$$/& $(subst /,\/,$(LIBS))/' $(TARGET_FILE) >$(TARGET_FILE).$$$$;			\
	mv -f $(TARGET_FILE).$$$$ $(TARGET_FILE)

sub:
	@set -e; echo "Remove Objects $(OBJS) from Target '$(NAME)'";								\
	sed '/^$(NAME)_OBJS :=/s/$(subst \ ,|,$(foreach n,$(OBJS),\$$(OBJ)\/$(n).o))//' $(TARGET_FILE) >$(TARGET_FILE).$$$$;	\
	mv -f $(TARGET_FILE).$$$$ $(TARGET_FILE)
	@set -e; echo "Remove Libraries $(LIBS) from Target '$(NAME)'";								\
	sed '/^$(NAME)_OBJS :=/s/$(subst \ ,|,$(foreach n,$(LIBS),\$$(OBJ)\/$(n).o))//' $(TARGET_FILE) >$(TARGET_FILE).$$$$;	\
	mv -f $(TARGET_FILE).$$$$ $(TARGET_FILE)

clean:
	-rm -f $(BIN)/*
	-rm -f $(OBJ)/* 2>/dev/null
	-rm -f $(DEP)/*

dep: $(DEPENDENCY);

-include $(DEPENDENCYS)

$(DEPENDENCYS):: $(DEP)/%.d: $(SRC)/%.cpp
	$(DEPENDENCY_CREATER) "`$(CXX_DEP) $(CXXFLAGS) $<`" $@

$(OBJECTS): $(OBJ)/%.o: $(SRC)/%.cpp $(DEP)/%.d $(DEP)/%.d
	@echo 'Objects: $@...'
	@$(CXX_OBJ) $(CXXFLAGS) -o $@ $<