TARGET_EXEC := hostdox BUILD_DIR := ./build SRC_DIRS := ./src # False targets # (these are the only ones you manually run) all: $(TARGET_EXEC) run: all ./$(TARGET_EXEC) clean: -rm -r $(BUILD_DIR) @echo "" libs: $(BUILD_DIR)/hid.o $(BUILD_DIR)/libmpdclient.o submodules: git submodule update --init --recursive .PHONY: clean all run libs submodules ################################################# # Flags and autodetection # -MMD and -MP generate makefiles with extension .d. CPPFLAGS := -MMD -MP \ -Wall \ -I src \ -I libs/hidapi/hidapi \ -I libs/spdlog/include \ -I libs/libmpdclient/include \ -I libs/libmpdclient/output \ $(shell pkg-config --cflags hunspell) # udev: required by hidapi LDFLAGS := \ -l fftw3 \ -l udev \ $(shell pkg-config --libs hunspell) # Find all cpp files in source dirs SRCS := $(shell find $(SRC_DIRS) -name '*.cpp') # Turns src/a.cpp into build/src/a.cpp.o SRC_OBJS := $(SRCS:%=$(BUILD_DIR)/%.o) LIB_OBJS := $(BUILD_DIR)/hid.o $(BUILD_DIR)/libmpdclient.o OBJS = $(SRC_OBJS) $(LIB_OBJS) # Turns build/a.cpp.o into build/a.cpp.d DEPS := $(OBJS:.o=.d) ################################################# # Build targets ### Libraries # Build hidapi $(BUILD_DIR)/hid.o: @mkdir -p $(BUILD_DIR) @echo "Compiling hid.o" @gcc -Wall -g -fpic -c \ -I libs/hidapi/hidapi \ `pkg-config libusb-1.0 --cflags` \ libs/hidapi/linux/hid.c \ -o $(BUILD_DIR)/hid.o # Build libmpdclient $(BUILD_DIR)/libmpdclient.o: @mkdir -p $(BUILD_DIR) @cd libs/libmpdclient && \ meson . output && \ ninja -C output ln -s ../libs/libmpdclient/output/libmpdclient.so $(BUILD_DIR)/libmpdclient.o ### Source # C++ build step $(BUILD_DIR)/%.cpp.o: %.cpp mkdir -p $(dir $@) g++ $(CPPFLAGS) $(CXXFLAGS) -c $< -o $@ # Final build step $(TARGET_EXEC) : $(OBJS) g++ $(OBJS) -o $@ $(LDFLAGS) # Include generated makefiles -include $(DEPS)