cocos2d-x 3.3 android mk文件 之 自动遍历*.cpp文件

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修改cocos2d-x 3.3 android mk文件自动遍历*.cpp文件,亲测~~

我们在自己新建的项目中,比如项目Mycpp,在项目Mycpp\proj.android\jni的路径下找到android mk 文件,先来看看这个android.mk文件内容,打开之后是这样子的,我们没有改过


LOCAL_PATH := $(call my-dir)

include $(CLEAR_VARS)

$(call import-add-path,$(LOCAL_PATH)/../../cocos2d)
$(call import-add-path,$(LOCAL_PATH)/../../cocos2d/external)
$(call import-add-path,$(LOCAL_PATH)/../../cocos2d/cocos)

LOCAL_MODULE := cocos2dcpp_shared

LOCAL_MODULE_FILENAME := libcocos2dcpp

LOCAL_SRC_FILES := hellocpp/main.cpp \
                   ../../Classes/AppDelegate.cpp \
                   ../../Classes/HelloWorldScene.cpp

LOCAL_C_INCLUDES := $(LOCAL_PATH)/../../Classes

LOCAL_WHOLE_STATIC_LIBRARIES := cocos2dx_static
LOCAL_WHOLE_STATIC_LIBRARIES += cocosdenshion_static

# LOCAL_WHOLE_STATIC_LIBRARIES += Box2d_static
# LOCAL_WHOLE_STATIC_LIBRARIES += cocosbuilder_static
# LOCAL_WHOLE_STATIC_LIBRARIES += spine_static
# LOCAL_WHOLE_STATIC_LIBRARIES += cocostudio_static       # 添加 cocostudio 静态库
# LOCAL_WHOLE_STATIC_LIBRARIES += cocos_network_static
# LOCAL_WHOLE_STATIC_LIBRARIES += cocos_extension_static  # 添加 cocos_extension 静态库


include $(BUILD_SHARED_LIBRARY)

$(call import-module,.)
$(call import-module,audio/android)

# $(call import-module,Box2D)
# $(call import-module,editor-support/cocosbuilder)
# $(call import-module,editor-support/spine)
# $(call import-module,editor-support/cocostudio) # 导入 cocostudio 模块  
# $(call import-module,network)
# $(call import-module,extensions)   # 导入 extensions 模块

上面这段代码就是新建项目之后,原装的代码 其中 “#” 是注释

如果我们在自己的cpp项目中有用到这两个库的话,cocostudio,extensions,只需要去掉android.mk文件中的注释号“#”,虽然cocos2dx 的团队已经提醒了我们,只不过在前面加了“#”注释号,就是上面有注释的几行代码,不过还是需要注意的是,如果在cpp项目中要添加文件的话,需要这样子写,

#include "extensions/cocos-ext.h"

#include "cocostudio/CocoStudio.h

这样在编译android项目的时候,才不会报错


如果写成下面这个的话,win32环境下虽然能编译通过,但是在android环境下是编译不通过的,要注意

#include "cocos-ext.h"

#include "CocoStudio.h


看了网上许多大神的博客,才发现还可以这样子自动遍历cpp,比如上面这个mk文件,只需要把

LOCAL_SRC_FILES := hellocpp/main.cpp \
                   ../../Classes/AppDelegate.cpp \
                   ../../Classes/HelloWorldScene.cpp

改为:


# 遍历目录及子目录的函数  
define walk  
    $(wildcard $(1)) $(foreach e,$(wildcard $(1)/*),$(call walk,$(e)))  
endef  
  
# 遍历Classes目录  
ALLFILES = $(call walk,$(LOCAL_PATH)/../../Classes)  
                     
FILE_LIST := hellocpp/main.cpp  
# 从所有文件提取出所有.cpp文件  
FILE_LIST += $(filter %.cpp,$(ALLFILES))  
  
LOCAL_SRC_FILES := $(FILE_LIST:$(LOCAL_PATH)/%=%) 

其他部分不变。然后就可以了。。


改完之后完整android mk 文件如下:


LOCAL_PATH := $(call my-dir)

include $(CLEAR_VARS)

$(call import-add-path,$(LOCAL_PATH)/../../cocos2d/cocos)

LOCAL_MODULE := cocos2dcpp_shared

LOCAL_MODULE_FILENAME := libcocos2dcpp


# 遍历目录及子目录的函数  
define walk  
    $(wildcard $(1)) $(foreach e,$(ALLFILES))  

  
LOCAL_SRC_FILES := $(FILE_LIST:$(LOCAL_PATH)/%=%)

LOCAL_C_INCLUDES := $(LOCAL_PATH)/../../Classes

LOCAL_WHOLE_STATIC_LIBRARIES := cocos2dx_static
LOCAL_WHOLE_STATIC_LIBRARIES += cocosdenshion_static

LOCAL_WHOLE_STATIC_LIBRARIES += Box2d_static
LOCAL_WHOLE_STATIC_LIBRARIES += cocosbuilder_static
LOCAL_WHOLE_STATIC_LIBRARIES += spine_static
LOCAL_WHOLE_STATIC_LIBRARIES += cocostudio_static       # 添加 cocostudio 静态库
LOCAL_WHOLE_STATIC_LIBRARIES += cocos_network_static
LOCAL_WHOLE_STATIC_LIBRARIES += cocos_extension_static  # 添加 cocos_extension 静态库


include $(BUILD_SHARED_LIBRARY)

$(call import-module,audio/android)

$(call import-module,Box2D)
$(call import-module,editor-support/cocosbuilder)
$(call import-module,editor-support/spine)
$(call import-module,editor-support/cocostudio)  # 导入 cocostudio 模块
$(call import-module,network)
$(call import-module,extensions)  # 导入 extensions 模块

然后就可以编译通过了。。


Android.mk文件

基本语法:

“#” 注释

“:=” 赋值

“+=” 追加

“$” 引用某变量的值

#宏函数my-dir返回编译系统提供的当前路径,即Android.mk的目录
#如(HelloWorld/proj.android/jni/XX)
LOCAL_PATH := $(call my-dir)


#初始化模块  重置除LOCAL_PATH变量以外的所有变量 
include $(CLEAR_VARS)

#导入库目录
$(call import-add-path,$(LOCAL_PATH)/../../cocos2d/cocos)

#模块名,唯一。
LOCAL_MODULE := cocos2dcpp_shared
#模块文件名,唯一(可选)
LOCAL_MODULE_FILENAME := libcocos2dcpp

#配置头文件搜索范围
LOCAL_C_INCLUDES := $(LOCAL_PATH)/../../Classes
#获取静态库
LOCAL_WHOLE_STATIC_LIBRARIES := cocos2dx_static
#追加静态库
LOCAL_WHOLE_STATIC_LIBRARIES += cocosdenshion_static



#根据编译器提供的变量BUILD_SHARED_LIBRARY生成动态库
include $(BUILD_SHARED_LIBRARY)



#导入模块,以下是常用的几个模块

$(call import-module,audio/android)
$(call import-module,editor-support/cocostudio)
$(call import-module,extensions)

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