[linphone]ubuntu下，编译linphone-android

编译linphone-android遇到不少问题，记录下来，备用。

1.下载代码，我是通过git下载的，

http://www.linphone.org/eng/download/git.html

git clone git://git.linphone.org/linphone-android.git --recursive

这个只是主工程，下面有好几个子工程，即submodule，如果下载顺利，会自动把子工程一起下载。

代码较大，下载后加上.git约500M，建议下载时找个网速较好的电脑。

但如果出错，或者中间断掉，有可能下载不全，会带来N多问题，建议重新下载。

2.下载安装jdk(略)。

3.下载安装android开发工具，下载最新的adt-bundle和ndk的linux版本

http://developer.android.com/sdk/index.html

我下载的是：

adt-bundle-linux-x86_64-20130219.zip
android-ndk-r8e-linux-x86_64.tar.bz2

下载下来解压即可。

4.安装ant:

apt-get install ant

5.按照linphone-android/README，安装相关的工具：

			   LINPHONE for ANDROID
			****************************

To build liblinphone for Android, you must:
0) download the Android sdk with platform-tools and tools updated to latest revision (at least API 16 is needed), then add both 'tools' and 'platform-tools' folders in your path.
1) download the Android ndk (>=r8b) from google and add it to your path.
2) install the autotools: autoconf, automake, aclocal, libtoolize, pkgconfig
2bis) on some 64 bits systems you'll need the ia32-libs package
3) run the Makefile script in the top level directory. This will download iLBC source files and convert some assembly files in VP8 project.
	$ make
4) To install the generated apk into a plugged device, run
	$ make install

To run the tutorials:
1) open the res/values/non_localizable_custom.xml file and change the value of the show_tutorials_instead_of_app to true.
2) compile again using make && make install.
3) /!\ don't forget to put it back to false to run the linphone application normally. /!\

To create an apk with a different package name, you need to edit the custom_rules.xml file:
1) look for the property named "linphone.package.name" and change it value accordingly
2) run again the Makefile script by calling "make"

Some options can be passed to make, like "make SOME_OPTION=SOME_VALUE".

Option Name     |     Possible values                                                                                                   	 | Default value 
-------------------------------------------------------------------------------------------------------------------------------------------------------
BUILD_X264            0 (don't build x264) or 1 (build x264)																				 | 0
BUILD_AMRNB           0 (don't build amrnb codec), light (try to use amrnb codec from android), full (build your own amrnb codec)       	 | full
BUILD_AMRWB           0 (don't build amrwb codec), 1 (build your own amrwb codec)                                                       	 | 0
BUILD_GPLV3_ZRTP      0 (don't support ZRTP), 1 (support ZRTP and make the whole program GPLv3)												 | 0
BUILD_SILK            0 (don't build silk plugin), 1 (build silk) [silk is Skype nonfree patented audio codec]								 | 1
BUILD_G729            0 (don't build g729 plugin), 1 (build g729) [g729 is nonfree patented audio codec, contact Sipro lab for more details] | 0
BUILD_TUNNEL          0 (don't build tunnel), 1 (build tunnel) [requires a tunnel implementation in submodules/linphone/tunnel]				 | 0
BUILD_WEBRTC_AECM     0 (don't build echo canceler), 1 (build echo canceler)																 | 1
USE_JAVAH             0 (don't generate header), 1 (generate header for linphone_core_jni) [used to check errors at liblinphone compilation] | 1
BUILD_FOR_X86		  0 (don't generate liblinphone libraries for x86 architecture), 1 (build liblinphone libraries for x86 architecture)    | 1

apt-get install autoconf  automake

aclocal安装不上，先不管它。

其中libtoolize、pkgconfig不能直接安装不上的，如下处理：

apt-get install libtool

apt-get install pkg-config

我用的ubuntu是64位的，需要安装ia32-libs：

apt-get install ia32-libs

这里安装的东西很多，需要较长时间。

6.配置ndk和sdk tools环境：

export PATH=$(./path.sh)

path.sh:这里是ndk和sdk中tools、platform-tools的路径，需要根据实际路径修改

#!/bin/bash
export PATH=~/wifi-player/android-dev/adt-bundle-linux-x86_64-20130219/sdk/tools:~/wifi-player/android-dev/adt-bundle-linux-x86_64-20130219/sdk/platform-tools:~/wifi-player/android-dev/android-ndk-r8e:$PATH
echo $PATH

7.编译：

make

编译时，会自动下载一个压缩包，并解压：

submodules/mssilk/sdk/SILK_SDK_SRC_v1.0.8.zip

这个也可以自己用先下载好，放到对应目录即可。

如果顺利，会生成bin/Linphone-debug.apk

出现的问题：

1.下面是我下载的代码，在最后的提交中，有一个错误。

commit d7024542041ea43b5241d8880bfe8c7e94c6c71b
Author: Sylvain Berfini <sylvain.berfini@linphone.org>
Date:   Fri Mar 22 17:42:13 2013 +0100

    CpuUtils moved to mediastreamer

CpuUtils.java被移到
submodules/linphone/mediastreamer2/java/src/org/linphone/mediastream/CpuUtils.java

但在submodules/linphone/java/impl/org/linphone/core/LinphoneCoreFactoryImpl.java中引用却没有修改，这里需要自己修改下：

import org.linphone.mediastream.CpuUtils;

2.第一次编译通过后，再次make，会重新下面的错误：

Archive:  ./SILK_SDK_SRC_v1.0.8.zip
replace SILK_SDK_SRC_v1.0.8/SILK_SDK_SRC_ARM_v1.0.8/Makefile? [y]es, [n]o, [A]ll, [N]one, [r]ename: A
  inflating: SILK_SDK_SRC_v1.0.8/SILK_SDK_SRC_ARM_v1.0.8/Makefile  
...
caution: filename not matched:  SILK_SDK_SRC_v1.0.8/SILK_SDK_SRC_ARM_v1.0.8/test_vectors
make[1]: *** [SILK_SDK_SRC_v1.0.8] Error 11
make[1]: Leaving directory `/mnt/wifi-player/wifi-audio/linphone-android/submodules/mssilk/sdk'
SILK audio plugin prepare state failed. 

这是因为make时，会解压zip文件，提示是否覆盖，但是无论怎么选择，都会报错。

所以直接修改submodules/mssilk/sdk/Makefile，把解压zip的命令去掉即可：

$(silk_src_dir): #$(silk_extracted_directory)                                                                                                             
    cp $(srcdir)/patch_pic.diff $(silk_src_dir)
    cd $(silk_src_dir) && $(PATCH) -p0 < patch_pic.diff