移植dlib到android

小灰灰 2022-09-25 08:17 182阅读 0赞

原方地址：http://blog.csdn.net/brightming/article/details/50595977

1、文件目录  
/src/face\_landmark\_detection\_test1\_ex.cpp  
—-/jni/  
———-Application.mk  
———-Android.mk

2、文件内容  
2.1 Application.mk

上面的APP\_CFLAGS+=-DDLIB\_NO\_GUI\_SUPPORT=1是因为不需要使用gui相关的功能。

编译dlib的时候，还改了两个文件引用头文件的地方：

<code class="language-c++ hljs avrasm has-numbering" style="display: block; padding: 0px; color: inherit; box-sizing: border-box; font-family: 'Source Code Pro', monospace;font-size:undefined; white-space: pre; border-radius: 0px; word-wrap: normal; background: transparent;"><png.h>改为"../external/libpng/png.h"
 <jpeglib.h>改为"../external/libjpeg/jpeglib.h"</code><ul class="pre-numbering" style="box-sizing: border-box; position: absolute; width: 50px; top: 0px; left: 0px; margin: 0px; padding: 6px 0px 40px; border-right-width: 1px; border-right-style: solid; border-right-color: rgb(221, 221, 221); list-style: none; text-align: right; background-color: rgb(238, 238, 238);"><li style="box-sizing: border-box; padding: 0px 5px;">1</li><li style="box-sizing: border-box; padding: 0px 5px;">2</li></ul>

2.2 Android.mk

在LOCAL\_SRC\_FILES中，直接把dlib的源文件作为源文件之一，向之前在dlib移植到arm上说的一样，简单的不能再简单。  
注意头文件路径。

这里有个问题：如果我在上面打开了：  
include $(CLEAR\_VARS)  
会报以下的错误：

<code class="language-shell hljs asciidoc has-numbering" style="display: block; padding: 0px; color: inherit; box-sizing: border-box; font-family: 'Source Code Pro', monospace;font-size:undefined; white-space: pre; border-radius: 0px; word-wrap: normal; background: transparent;">[zzz@localhost jni]$ ndk-build NDK_APPLICATION_MK=Application.mk
 make: *** No rule to make target `/home/zzz/software/android-ndk-r9d/build/core/../../face_landmark_detection_test1_ex.cpp', needed by `/home/zzz/software/dlib-18.18/examples/build_android/obj/local/armeabi-v7a/objs/face_landmark_detection_test1_ex/__/__/face_landmark_detection_test1_ex.o'. Stop.
 [zzz@localhost jni]$ 
 </code><ul class="pre-numbering" style="box-sizing: border-box; position: absolute; width: 50px; top: 0px; left: 0px; margin: 0px; padding: 6px 0px 40px; border-right-width: 1px; border-right-style: solid; border-right-color: rgb(221, 221, 221); list-style: none; text-align: right; background-color: rgb(238, 238, 238);"><li style="box-sizing: border-box; padding: 0px 5px;">1</li><li style="box-sizing: border-box; padding: 0px 5px;">2</li><li style="box-sizing: border-box; padding: 0px 5px;">3</li><li style="box-sizing: border-box; padding: 0px 5px;">4</li></ul>

2.3 执行

因为我这个是有jin目录的，所以，不需要再额外指定NDK\_APPLICATION\_MK也可以。

问题记录：  
1、  
jni/: error: iostream: No such file or directory  
或者其他头文件找不到。  
解决办法：  
在Application.mk中加入：  
APP\_STL:=gnustl\_static 或 gnustl\_shared , c++\_static , c++\_shared  
但是用system,stlport\_static stlport\_shared会有头文件找不到。  
参考：  
[http://stackoverflow.com/questions/9130429/android-ndk-build-iostream-no-such-file-or-directory][http_stackoverflow.com_questions_9130429_android-ndk-build-iostream-no-such-file-or-directory]

APP\_STL的取值可以为：  
system stlport\_static stlport\_shared gnustl\_static gnustl\_shared gabi++\_static gabi++\_shared c++\_static c++\_shared none

2、  
/build-binary.mk:393: \* target pattern contains no \`%’

3、  
如果我把Android.mk修改为如下（先编译出dlib的静态库，再与测试程序链接），就会报如下错误：

<code class="language-shell hljs asciidoc has-numbering" style="display: block; padding: 0px; color: inherit; box-sizing: border-box; font-family: 'Source Code Pro', monospace;font-size:undefined; white-space: pre; border-radius: 0px; word-wrap: normal; background: transparent;">[zzz@localhost jni]$ ndk-build
 [armeabi-v7a] Compile++ thumb: dlib <= source.cpp
 [armeabi-v7a] StaticLibrary : dlib.a
 make: *** No rule to make target `/home/zzz/software/android-ndk-r9d/build/core/../../face_landmark_detection_test1_ex.cpp', needed by `/home/zzz/software/dlib-18.18/examples/build_android/obj/local/armeabi-v7a/objs/face_landmark_detection_test1_ex/__/__/face_landmark_detection_test1_ex.o'. Stop.</code><ul class="pre-numbering" style="box-sizing: border-box; position: absolute; width: 50px; top: 0px; left: 0px; margin: 0px; padding: 6px 0px 40px; border-right-width: 1px; border-right-style: solid; border-right-color: rgb(221, 221, 221); list-style: none; text-align: right; background-color: rgb(238, 238, 238);"><li style="box-sizing: border-box; padding: 0px 5px;">1</li><li style="box-sizing: border-box; padding: 0px 5px;">2</li><li style="box-sizing: border-box; padding: 0px 5px;">3</li><li style="box-sizing: border-box; padding: 0px 5px;">4</li></ul>

Android.mk的内容为：

<code class="language-shell hljs avrasm has-numbering" style="display: block; padding: 0px; color: inherit; box-sizing: border-box; font-family: 'Source Code Pro', monospace;font-size:undefined; white-space: pre; border-radius: 0px; word-wrap: normal; background: transparent;">[zzz@localhost jni]$ cat Android.mk
 
 
 LOCAL_PATH:=$(call my-dir)
 LOCAL_MODULE:=dlib
 LOCAL_MODULE_FILENAME:=dlib
 LOCAL_SRC_FILES:=/home/zzz/software/dlib-18.18/dlib/all/source.cpp
 LOCAL_C_INCLUDES:=/home/zzz/software/dlib-18.18/
 
 
 #LOCAL_EXPORT_C_INCLUDES:=/home/zzz/software/dlib-18.18/
 #include $(BUILD_EXECUTABLE)
 include $(BUILD_STATIC_LIBRARY)
 
 ####################################################
 #include $(CLEAR_VARS)
 LOCAL_PATH:=$(call my-dir)
 LOCAL_MODULE:=face_landmark_detection_test1_ex
 LOCAL_MODULE_FILENAME:=face_landmark_detection_test1_ex
 LOCAL_SRC_FILES:=../../face_landmark_detection_test1_ex.cpp # /home/zzz/software/dlib-18.18/dlib/all/source.cpp
 LOCAL_C_INCLUDES:=/home/zzz/software/dlib-18.18/
 
 
 LOCAL_SHARED_LIBRARIES:=dlib
 
 #LOCAL_EXPORT_C_INCLUDES:=/home/gumh/software/dlib-18.18/
 #include $(BUILD_EXECUTABLE)
 include $(BUILD_STATIC_LIBRARY)</code><ul class="pre-numbering" style="box-sizing: border-box; position: absolute; width: 50px; top: 0px; left: 0px; margin: 0px; padding: 6px 0px 40px; border-right-width: 1px; border-right-style: solid; border-right-color: rgb(221, 221, 221); list-style: none; text-align: right; background-color: rgb(238, 238, 238);"><li style="box-sizing: border-box; padding: 0px 5px;">1</li><li style="box-sizing: border-box; padding: 0px 5px;">2</li><li style="box-sizing: border-box; padding: 0px 5px;">3</li><li style="box-sizing: border-box; padding: 0px 5px;">4</li><li style="box-sizing: border-box; padding: 0px 5px;">5</li><li style="box-sizing: border-box; padding: 0px 5px;">6</li><li style="box-sizing: border-box; padding: 0px 5px;">7</li><li style="box-sizing: border-box; padding: 0px 5px;">8</li><li style="box-sizing: border-box; padding: 0px 5px;">9</li><li style="box-sizing: border-box; padding: 0px 5px;">10</li><li style="box-sizing: border-box; padding: 0px 5px;">11</li><li style="box-sizing: border-box; padding: 0px 5px;">12</li><li style="box-sizing: border-box; padding: 0px 5px;">13</li><li style="box-sizing: border-box; padding: 0px 5px;">14</li><li style="box-sizing: border-box; padding: 0px 5px;">15</li><li style="box-sizing: border-box; padding: 0px 5px;">16</li><li style="box-sizing: border-box; padding: 0px 5px;">17</li><li style="box-sizing: border-box; padding: 0px 5px;">18</li><li style="box-sizing: border-box; padding: 0px 5px;">19</li><li style="box-sizing: border-box; padding: 0px 5px;">20</li><li style="box-sizing: border-box; padding: 0px 5px;">21</li><li style="box-sizing: border-box; padding: 0px 5px;">22</li><li style="box-sizing: border-box; padding: 0px 5px;">23</li><li style="box-sizing: border-box; padding: 0px 5px;">24</li><li style="box-sizing: border-box; padding: 0px 5px;">25</li><li style="box-sizing: border-box; padding: 0px 5px;">26</li><li style="box-sizing: border-box; padding: 0px 5px;">27</li><li style="box-sizing: border-box; padding: 0px 5px;">28</li></ul>

原因还不明白。。。

补充（2016-1-30）：  
由于上面编译的时候，没有将jpeg，png的库编译进去，因此，在真正运行程序的时候，会报错。重新将相关的代码组织进mk文件进行编译，文件结构没变，各文件的情况如下：

1、Application.mk

<code class="language-shell hljs handlebars has-numbering" style="display: block; padding: 0px; color: inherit; box-sizing: border-box; font-family: 'Source Code Pro', monospace;font-size:undefined; white-space: pre; border-radius: 0px; word-wrap: normal; background: transparent;">APP_STL:=gnustl_static ##ok
 #APP_STL:=stlport_static ##not work!
 #APP_STL:=system ##not work!
 #APP_STL:=c++_static ##ok
 #APP_STL:=c++_shared ##ok
 #APP_STL:=gnustl_shared ##ok
 APP_CPPFLAGS:=-frtti -fexceptions
 APP_ABI:=armeabi-v7a
 APP_PLATFORM:=android-8
 APP_BUILD_SCRIPT:=Android.mk
 APP_CFLAGS+=-DDLIB_NO_GUI_SUPPORT=on
 #APP_CFLAGS+=-DDLIB_PNG_SUPPORT=off
 APP_CFLAGS+=-DDLIB_JPEG_SUPPORT=on
 APP_CFLAGS+=-DDLIB_JPEG_STATIC=on</code><ul class="pre-numbering" style="box-sizing: border-box; position: absolute; width: 50px; top: 0px; left: 0px; margin: 0px; padding: 6px 0px 40px; border-right-width: 1px; border-right-style: solid; border-right-color: rgb(221, 221, 221); list-style: none; text-align: right; background-color: rgb(238, 238, 238);"><li style="box-sizing: border-box; padding: 0px 5px;">1</li><li style="box-sizing: border-box; padding: 0px 5px;">2</li><li style="box-sizing: border-box; padding: 0px 5px;">3</li><li style="box-sizing: border-box; padding: 0px 5px;">4</li><li style="box-sizing: border-box; padding: 0px 5px;">5</li><li style="box-sizing: border-box; padding: 0px 5px;">6</li><li style="box-sizing: border-box; padding: 0px 5px;">7</li><li style="box-sizing: border-box; padding: 0px 5px;">8</li><li style="box-sizing: border-box; padding: 0px 5px;">9</li><li style="box-sizing: border-box; padding: 0px 5px;">10</li><li style="box-sizing: border-box; padding: 0px 5px;">11</li><li style="box-sizing: border-box; padding: 0px 5px;">12</li><li style="box-sizing: border-box; padding: 0px 5px;">13</li><li style="box-sizing: border-box; padding: 0px 5px;">14</li></ul>

2、Android.mk

<code class="language-shell hljs ruby has-numbering" style="display: block; padding: 0px; color: inherit; box-sizing: border-box; font-family: 'Source Code Pro', monospace;font-size:undefined; white-space: pre; border-radius: 0px; word-wrap: normal; background: transparent;">
 all_cpp_files_recursively = \
 $(eval src_files = $(wildcard $1/*.cpp)) \
 $(eval src_files = $(src_files:$(LOCAL_PATH)/%=%))$(src_files) \
 $(eval item_all = $(wildcard $1/*)) \
 $(foreach item, $(item_all) $(),\
 $(eval item := $(item:%.cpp=%)) \
 $(call all_cpp_files_recursively, $(item))\
 )
 
 
 #3 自定义了一个all_c_files_recursively 函数，递归遍历返回给定目录下所有C源文件。
 all_c_files_recursively = \
 $(eval src_files = $(wildcard $1/*.c)) \
 $(eval src_files = $(src_files:$(LOCAL_PATH)/%=%))$(src_files) \
 $(eval item_all = $(wildcard $1/*)) \
 $(foreach item, $(item_all) $(),\
 $(eval item := $(item:%.c=%)) \
 $(call all_c_files_recursively, $(item))\
 )
 
 
 LOCAL_PATH:=$(call my-dir)
 include $(CLEAR_VARS)
 #####################程序################
 LOCAL_SRC_FILES := $(call all_cpp_files_recursively,$(LOCAL_PATH)/../../../dlib/external/libjpeg/) #将jpeg相关代码加入
 LOCAL_SRC_FILES += $(LOCAL_PATH)/../../../dlib/all/source.cpp
 LOCAL_C_INCLUDES:=/home/gumh/software/dlib-18.18/ $(LOCAL_PATH)/../../../dlib/entropy_decoder/
 LOCAL_CPP_INCLUDES:=${LOCAL_C_INCLUDES}
 LOCAL_CXX_INCLUDES:=${LOCAL_C_INCLUDES}
 
 $(warning "-------------the value of LOCAL_SRC_FILES is $(LOCAL_SRC_FILES)--------------------")
 
 ##neon start
 TARGET_ARCH_ABI :=armeabi-v7a
 LOCAL_ARM_MODE := arm 
 LOCAL_ARM_NEON := true
 
 ifeq ($(TARGET_ARCH_ABI),armeabi-v7a)
 LOCAL_CFLAGS := -DHAVE_NEON=1
 LOCAL_CXXFLAGS := -DHAVE_NEON=1
 endif
 LOCAL_CFLAGS += -mfloat-abi=softfp -mfpu=vfpv4
 ###neon end
 
 
 ##放在一起编译
 LOCAL_MODULE:=face_landmark_detection_test1_ex
 LOCAL_MODULE_FILENAME:=face_landmark_detection_test1_ex
 LOCAL_SRC_FILES+=../../face_landmark_detection_test1_ex.cpp 
 
 include $(BUILD_EXECUTABLE)
 </code><ul class="pre-numbering" style="box-sizing: border-box; position: absolute; width: 50px; top: 0px; left: 0px; margin: 0px; padding: 6px 0px 40px; border-right-width: 1px; border-right-style: solid; border-right-color: rgb(221, 221, 221); list-style: none; text-align: right; background-color: rgb(238, 238, 238);"><li style="box-sizing: border-box; padding: 0px 5px;">1</li><li style="box-sizing: border-box; padding: 0px 5px;">2</li><li style="box-sizing: border-box; padding: 0px 5px;">3</li><li style="box-sizing: border-box; padding: 0px 5px;">4</li><li style="box-sizing: border-box; padding: 0px 5px;">5</li><li style="box-sizing: border-box; padding: 0px 5px;">6</li><li style="box-sizing: border-box; padding: 0px 5px;">7</li><li style="box-sizing: border-box; padding: 0px 5px;">8</li><li style="box-sizing: border-box; padding: 0px 5px;">9</li><li style="box-sizing: border-box; padding: 0px 5px;">10</li><li style="box-sizing: border-box; padding: 0px 5px;">11</li><li style="box-sizing: border-box; padding: 0px 5px;">12</li><li style="box-sizing: border-box; padding: 0px 5px;">13</li><li style="box-sizing: border-box; padding: 0px 5px;">14</li><li style="box-sizing: border-box; padding: 0px 5px;">15</li><li style="box-sizing: border-box; padding: 0px 5px;">16</li><li style="box-sizing: border-box; padding: 0px 5px;">17</li><li style="box-sizing: border-box; padding: 0px 5px;">18</li><li style="box-sizing: border-box; padding: 0px 5px;">19</li><li style="box-sizing: border-box; padding: 0px 5px;">20</li><li style="box-sizing: border-box; padding: 0px 5px;">21</li><li style="box-sizing: border-box; padding: 0px 5px;">22</li><li style="box-sizing: border-box; padding: 0px 5px;">23</li><li style="box-sizing: border-box; padding: 0px 5px;">24</li><li style="box-sizing: border-box; padding: 0px 5px;">25</li><li style="box-sizing: border-box; padding: 0px 5px;">26</li><li style="box-sizing: border-box; padding: 0px 5px;">27</li><li style="box-sizing: border-box; padding: 0px 5px;">28</li><li style="box-sizing: border-box; padding: 0px 5px;">29</li><li style="box-sizing: border-box; padding: 0px 5px;">30</li><li style="box-sizing: border-box; padding: 0px 5px;">31</li><li style="box-sizing: border-box; padding: 0px 5px;">32</li><li style="box-sizing: border-box; padding: 0px 5px;">33</li><li style="box-sizing: border-box; padding: 0px 5px;">34</li><li style="box-sizing: border-box; padding: 0px 5px;">35</li><li style="box-sizing: border-box; padding: 0px 5px;">36</li><li style="box-sizing: border-box; padding: 0px 5px;">37</li><li style="box-sizing: border-box; padding: 0px 5px;">38</li><li style="box-sizing: border-box; padding: 0px 5px;">39</li><li style="box-sizing: border-box; padding: 0px 5px;">40</li><li style="box-sizing: border-box; padding: 0px 5px;">41</li><li style="box-sizing: border-box; padding: 0px 5px;">42</li><li style="box-sizing: border-box; padding: 0px 5px;">43</li><li style="box-sizing: border-box; padding: 0px 5px;">44</li><li style="box-sizing: border-box; padding: 0px 5px;">45</li><li style="box-sizing: border-box; padding: 0px 5px;">46</li><li style="box-sizing: border-box; padding: 0px 5px;">47</li><li style="box-sizing: border-box; padding: 0px 5px;">48</li><li style="box-sizing: border-box; padding: 0px 5px;">49</li><li style="box-sizing: border-box; padding: 0px 5px;">50</li><li style="box-sizing: border-box; padding: 0px 5px;">51</li><li style="box-sizing: border-box; padding: 0px 5px;">52</li><li style="box-sizing: border-box; padding: 0px 5px;">53</li></ul>

从上面的文件可以看到，其实就是配合source.cpp定义的宏，把相关的jpeg的源代码加入一起编译。

是否可以先编译出dlib的静态库，给后面的应用程序编译使用呢？  
新加一个Android-prebuild.mk:

<code class="language-shell hljs http has-numbering" style="display: block; padding: 0px; color: inherit; box-sizing: border-box; font-family: 'Source Code Pro', monospace;font-size:undefined; white-space: pre; border-radius: 0px; word-wrap: normal; background: transparent;">
 
 all_cpp_files_recursively = \
 $(eval src_files = $(wildcard $1/*.cpp)) \
 $(eval src_files = $(src_files:$(LOCAL_PATH)/%=%))$(src_files) \
 $(eval item_all = $(wildcard $1/*)) \
 $(foreach item, $(item_all) $(),\
 $(eval item := $(item:%.cpp=%)) \
 $(call all_cpp_files_recursively, $(item))\
 )
 
 
 #3 自定义了一个all_c_files_recursively 函数，递归遍历返回给定目录下所有C源文件。
 all_c_files_recursively = \
 $(eval src_files = $(wildcard $1/*.c)) \
 $(eval src_files = $(src_files:$(LOCAL_PATH)/%=%))$(src_files) \
 $(eval item_all = $(wildcard $1/*)) \
 $(foreach item, $(item_all) $(),\
 $(eval item := $(item:%.c=%)) \
 $(call all_c_files_recursively, $(item))\
 )
 
 
 
 
 LOCAL_PATH:=$(call my-dir)
 
 ############1##################
 #####################libdlib.a################
 $(warning "--------build dlib ---------")
 include $(CLEAR_VARS)
 LOCAL_MODULE:=dlib
 LOCAL_SRC_FILES := $(call all_cpp_files_recursively,$(LOCAL_PATH)/../../../dlib/external/libjpeg/)
 LOCAL_SRC_FILES += $(LOCAL_PATH)/../../../dlib/all/source.cpp
 LOCAL_C_INCLUDES:=/home/gumh/software/dlib-18.18/ $(LOCAL_PATH)/../../../dlib/entropy_decoder/
 LOCAL_CPP_INCLUDES:=${LOCAL_C_INCLUDES}
 LOCAL_CXX_INCLUDES:=${LOCAL_C_INCLUDES}
 
 $(warning "-------------the value of LOCAL_SRC_FILES is $(LOCAL_SRC_FILES)--------------------")
 
 ##neon start
 TARGET_ARCH_ABI :=armeabi-v7a
 LOCAL_ARM_MODE := arm 
 LOCAL_ARM_NEON := true
 
 ifeq ($(TARGET_ARCH_ABI),armeabi-v7a)
 LOCAL_CFLAGS := -DHAVE_NEON=1
 LOCAL_CXXFLAGS := -DHAVE_NEON=1
 endif
 
 LOCAL_CFLAGS += -mfloat-abi=softfp -mfpu=vfpv4
 
 ########海思的设置：set(CMAKE_CXX_FLAGS "-mthumb -mcpu=cortex-a7 -mfloat-abi=softfp -mfpu=neon-vfpv4 -mno-unaligned-access -fno-aggressive-loop-optimizations" CACHE STRING "c++ flags")
 
 ###neon end
 
 include $(BUILD_STATIC_LIBRARY)
 
 ########2##################
 ##########build app##############
 $(warning "--------build app---------")
 
 #use prebuild dlib
 LOCAL_MODULE:=mydlib
 LOCAL_SRC_FILES:=libdlib.a
 LOCAL_EXPORT_C_INCLUDES:=/home/gumh/software/dlib-18.18/ $(LOCAL_PATH)/../../../dlib/entropy_decoder/
 include $(PREBUILT_STATIC_LIBRARY)
 
 ###app#######
 include $(CLEAR_VARS)
 LOCAL_MODULE:=face_landmark_detection_test1_ex
 LOCAL_SRC_FILES:=../../face_landmark_detection_test1_ex.cpp 
 LOCAL_STATIC_LIBRARIES:=mydlib
 include $(BUILD_EXECUTABLE)
 
 ##############
 </code><ul class="pre-numbering" style="box-sizing: border-box; position: absolute; width: 50px; top: 0px; left: 0px; margin: 0px; padding: 6px 0px 40px; border-right-width: 1px; border-right-style: solid; border-right-color: rgb(221, 221, 221); list-style: none; text-align: right; background-color: rgb(238, 238, 238);"><li style="box-sizing: border-box; padding: 0px 5px;">1</li><li style="box-sizing: border-box; padding: 0px 5px;">2</li><li style="box-sizing: border-box; padding: 0px 5px;">3</li><li style="box-sizing: border-box; padding: 0px 5px;">4</li><li style="box-sizing: border-box; padding: 0px 5px;">5</li><li style="box-sizing: border-box; padding: 0px 5px;">6</li><li style="box-sizing: border-box; padding: 0px 5px;">7</li><li style="box-sizing: border-box; padding: 0px 5px;">8</li><li style="box-sizing: border-box; padding: 0px 5px;">9</li><li style="box-sizing: border-box; padding: 0px 5px;">10</li><li style="box-sizing: border-box; padding: 0px 5px;">11</li><li style="box-sizing: border-box; padding: 0px 5px;">12</li><li style="box-sizing: border-box; padding: 0px 5px;">13</li><li style="box-sizing: border-box; padding: 0px 5px;">14</li><li style="box-sizing: border-box; padding: 0px 5px;">15</li><li style="box-sizing: border-box; padding: 0px 5px;">16</li><li style="box-sizing: border-box; padding: 0px 5px;">17</li><li style="box-sizing: border-box; padding: 0px 5px;">18</li><li style="box-sizing: border-box; padding: 0px 5px;">19</li><li style="box-sizing: border-box; padding: 0px 5px;">20</li><li style="box-sizing: border-box; padding: 0px 5px;">21</li><li style="box-sizing: border-box; padding: 0px 5px;">22</li><li style="box-sizing: border-box; padding: 0px 5px;">23</li><li style="box-sizing: border-box; padding: 0px 5px;">24</li><li style="box-sizing: border-box; padding: 0px 5px;">25</li><li style="box-sizing: border-box; padding: 0px 5px;">26</li><li style="box-sizing: border-box; padding: 0px 5px;">27</li><li style="box-sizing: border-box; padding: 0px 5px;">28</li><li style="box-sizing: border-box; padding: 0px 5px;">29</li><li style="box-sizing: border-box; padding: 0px 5px;">30</li><li style="box-sizing: border-box; padding: 0px 5px;">31</li><li style="box-sizing: border-box; padding: 0px 5px;">32</li><li style="box-sizing: border-box; padding: 0px 5px;">33</li><li style="box-sizing: border-box; padding: 0px 5px;">34</li><li style="box-sizing: border-box; padding: 0px 5px;">35</li><li style="box-sizing: border-box; padding: 0px 5px;">36</li><li style="box-sizing: border-box; padding: 0px 5px;">37</li><li style="box-sizing: border-box; padding: 0px 5px;">38</li><li style="box-sizing: border-box; padding: 0px 5px;">39</li><li style="box-sizing: border-box; padding: 0px 5px;">40</li><li style="box-sizing: border-box; padding: 0px 5px;">41</li><li style="box-sizing: border-box; padding: 0px 5px;">42</li><li style="box-sizing: border-box; padding: 0px 5px;">43</li><li style="box-sizing: border-box; padding: 0px 5px;">44</li><li style="box-sizing: border-box; padding: 0px 5px;">45</li><li style="box-sizing: border-box; padding: 0px 5px;">46</li><li style="box-sizing: border-box; padding: 0px 5px;">47</li><li style="box-sizing: border-box; padding: 0px 5px;">48</li><li style="box-sizing: border-box; padding: 0px 5px;">49</li><li style="box-sizing: border-box; padding: 0px 5px;">50</li><li style="box-sizing: border-box; padding: 0px 5px;">51</li><li style="box-sizing: border-box; padding: 0px 5px;">52</li><li style="box-sizing: border-box; padding: 0px 5px;">53</li><li style="box-sizing: border-box; padding: 0px 5px;">54</li><li style="box-sizing: border-box; padding: 0px 5px;">55</li><li style="box-sizing: border-box; padding: 0px 5px;">56</li><li style="box-sizing: border-box; padding: 0px 5px;">57</li><li style="box-sizing: border-box; padding: 0px 5px;">58</li><li style="box-sizing: border-box; padding: 0px 5px;">59</li><li style="box-sizing: border-box; padding: 0px 5px;">60</li><li style="box-sizing: border-box; padding: 0px 5px;">61</li><li style="box-sizing: border-box; padding: 0px 5px;">62</li><li style="box-sizing: border-box; padding: 0px 5px;">63</li><li style="box-sizing: border-box; padding: 0px 5px;">64</li><li style="box-sizing: border-box; padding: 0px 5px;">65</li><li style="box-sizing: border-box; padding: 0px 5px;">66</li><li style="box-sizing: border-box; padding: 0px 5px;">67</li><li style="box-sizing: border-box; padding: 0px 5px;">68</li><li style="box-sizing: border-box; padding: 0px 5px;">69</li><li style="box-sizing: border-box; padding: 0px 5px;">70</li><li style="box-sizing: border-box; padding: 0px 5px;">71</li><li style="box-sizing: border-box; padding: 0px 5px;">72</li><li style="box-sizing: border-box; padding: 0px 5px;">73</li><li style="box-sizing: border-box; padding: 0px 5px;">74</li><li style="box-sizing: border-box; padding: 0px 5px;">75</li><li style="box-sizing: border-box; padding: 0px 5px;">76</li><li style="box-sizing: border-box; padding: 0px 5px;">77</li></ul>

在把Application.mk里的APP\_BUILD\_SCRIPT改为：Android-prebuilt.mk  
APP\_BUILD\_SCRIPT:=Android-prebuilt.mk

一个简单的make.sh

<code class="language-shell hljs bash has-numbering" style="display: block; padding: 0px; color: inherit; box-sizing: border-box; font-family: 'Source Code Pro', monospace;font-size:undefined; white-space: pre; border-radius: 0px; word-wrap: normal; background: transparent;">[zzz@localhost jni]$ cat make.sh 
 #!/bin/sh
 
 ndk-build NDK_PROJECT_PATH=. NDK_APPLICATION_MK=Application.mk 
 </code><ul class="pre-numbering" style="box-sizing: border-box; position: absolute; width: 50px; top: 0px; left: 0px; margin: 0px; padding: 6px 0px 40px; border-right-width: 1px; border-right-style: solid; border-right-color: rgb(221, 221, 221); list-style: none; text-align: right; background-color: rgb(238, 238, 238);"><li style="box-sizing: border-box; padding: 0px 5px;">1</li><li style="box-sizing: border-box; padding: 0px 5px;">2</li><li style="box-sizing: border-box; padding: 0px 5px;">3</li><li style="box-sizing: border-box; padding: 0px 5px;">4</li><li style="box-sizing: border-box; padding: 0px 5px;">5</li></ul>

(如何传递参数，在Android.mk里可以根据参数来编译不同的部分？如  
ifeq ($(my\_target),”dlib”)就编译dlib库，否则编译其他程序。  
）

执行：  
1、先构建libdlib.a  
2、将编译出来的libdlib.a拷贝到Android.mk的同目录下，  
2、再构建app

[http_stackoverflow.com_questions_9130429_android-ndk-build-iostream-no-such-file-or-directory]: http://stackoverflow.com/questions/9130429/android-ndk-build-iostream-no-such-file-or-directory