Makefile

BUILD    := ./build
BIN    	 := ./bin
TARGET   := REEF3D
CXX      := mpicxx

OBJ_DIR   := $(BUILD)
APP_DIR   := $(BIN)
HYPRE_DIR := /usr/local/hypre
EIGEN_DIR := ThirdParty/eigen-3.3.8 
CXXFLAGS := -w -std=c++11 -O3 
LDFLAGS  := -L ${HYPRE_DIR}/lib/ -lHYPRE
INCLUDE  := -I ${HYPRE_DIR}/include -I ${EIGEN_DIR} -DEIGEN_MPL2_ONLY 
SRC      := $(wildcard src/*.cpp)
OBJECTS  := $(SRC:%.cpp=$(OBJ_DIR)/%.o)
DEPENDENCIES := $(OBJECTS:.o=.d)

.PHONY: all build clean debug info

all: build $(APP_DIR)/$(TARGET)

$(OBJ_DIR)/%.o: %.cpp
	@mkdir -p $(@D)
	$(CXX) $(CXXFLAGS) $(INCLUDE) -c $< -o $@

$(APP_DIR)/$(TARGET): $(OBJECTS)
	@mkdir -p $(@D)
	$(CXX) $(CXXFLAGS) -o $(APP_DIR)/$(TARGET) $^ $(LDFLAGS)

-include $(DEPENDENCIES)

build:
	@mkdir -p $(APP_DIR)
	@mkdir -p $(OBJ_DIR)

debug: CXXFLAGS = -O0 -w -g -g3
debug: all

clean:
	-@rm -rvf $(OBJ_DIR)/*
	-@rm -rvf $(APP_DIR)/*

info:
	@echo "[*] Application dir: ${APP_DIR}     "
	@echo "[*] Object dir:      ${OBJ_DIR}     "
	@echo "[*] Sources:         ${SRC}         "
	@echo "[*] Objects:         ${OBJECTS}     "
	@echo "[*] Dependencies:    ${DEPENDENCIES}"