# ******************************
# *       S E T T I N G S      *
# ******************************

# default target
TARGET  ?= linux-release
ifeq ($(filter %-release,$(TARGET)),)
RELEASE := debug
else
RELEASE := release
endif

# libxml2 settings
XML2CONF ?= xml2-config
LIBXML2_INC := `$(XML2CONF) --cflags` 

# compiler setting
ifeq ($(RELEASE),debug)
CFLAGS := -O0 -ggdb3 -fno-inline -fno-default-inline
else
CFLAGS   ?= -O2 -ggdb3
CPPFLAGS += -DNDEBUG
endif
CFLAGS   += -Wall -pipe
CXXFLAGS += $(CFLAGS) -std=gnu++11 # -fno-rtti -fno-exceptions

CPPFLAGS += $(LIBXML2_INC)

# ******************************
# *       S O U R C E S        *
# ******************************

# library file
LIBDIR := lib/$(TARGET)
LIB := $(LIBDIR)/libacmodel.a

CCSOURCES := $(wildcard *.cc) 

OBJECTDIR := ObjFiles/$(TARGET)
OBJECTS := $(addprefix $(OBJECTDIR)/,$(CCSOURCES:.cc=.o))

DEPDIR := DepFiles/$(TARGET)
DEPS := $(addprefix $(DEPDIR)/,$(CCSOURCES:.cc=.d))

DIRS := $(OBJECTDIR) $(DEPDIR) $(LIBDIR)

# ******************************
# *      T A R G E T S         *
# ******************************

all:
	@$(MAKE) showtarget
	@$(MAKE) $(LIB)

showtarget:
	@echo "---"
	@echo Making ACModel library for TARGET=$(TARGET)
	@echo   Compiler = $(CXX) $(CPPFLAGS) $(CXXFLAGS)
	@echo "---"
  
clean:
	@echo Cleaning ACModel.
	@rm -rf core core.* *~ lib DepFiles ObjFiles

# ******************************
# *       R U L E S            *
# ******************************

$(LIB): $(OBJECTS) 
	@echo "Creating library $@."
	@mkdir -p $(LIBDIR)
	@$(AR) rcs $@  $(OBJECTS)

$(OBJECTDIR)/%.o : %.cc 
	@echo Making dependency file $@.
	@mkdir -p $(DEPDIR)
	@$(CXX) $(CPPFLAGS) $(CXXFLAGS) -MM -MP -MT $(OBJECTDIR)/$(<:%.cc=%.o) -MT $(DEPDIR)/$(<:%.cc=%.d) $< > $(DEPDIR)/$(<:%.cc=%.d)
	@echo Making object file $@.
	@mkdir -p $(OBJECTDIR)
	@$(CXX) $(CPPFLAGS) $(CXXFLAGS) -c -o $@ $<

ifneq ($(MAKECMDGOALS),clean)
-include $(DEPS)
endif

.phony: all clean showtarget