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Building_Doubango.md

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This wiki page explains how to build Doubango code (ANSI-C/C++) for IMSdroid. Please note that IMSDroid is already distributed with these libraries and you only need to rebuild them for debugging or to disable/enable additional features. You also need to rebuild the libraries to generate commercial versions as the default ones are GPL.

For the Java code, you just need to import the code into Eclipse.

Installing Android NDK r10e

Download Android NDK r9c into /home. This is needed only for the first time.
IMPORTANT: You must select the right version from http://developer.android.com/intl/ja/ndk/downloads/index.html depending on your host system. Our host system is CentOS 64.

yum install p7zip
cd /home
wget http://dl.google.com/android/ndk/android-ndk-r10e-linux-x86_64.bin
7za x android-ndk-r10e-linux-x86_64.bin

Set $NDK

You must set the $NDK variable:

export NDK=/home/android-ndk-r10e

Checking out Doubango code

Chekout Doubango v2.0 into /home:

cd /home
git clone https://github.com/DoubangoTelecom/doubango.git

Building the code

The build system uses GNU AutoTools. There are two ways to build the libs: hard or easy. We highly recommend using the easy way. The first step is to generate the configure file:

cd /home/doubango
./autogen.sh

The easy way

Each script will build the code for all supported architectures.

GPL

./android_build.sh gpl

The binaries will be generated into /home/doubango/android-projects/output/gpl/imsdroid/libs.

Commercial

If you have a commercial license:

./android_build.sh commercial

The binaries will be generated into /home/doubango/android-projects/output/commercial/imsdroid/libs.

The hard way

Not really hard but boring :).

To build the code for ARMv5TE:

./configure --host=arm-linux-androideabi --with-android-cpu=armv5te --prefix=/home/doubango/output/android/armv5te
make && make install

for ARMv7-a without NEON:

./configure --host=arm-linux-androideabi --with-android-cpu=armv7-a --prefix=/home/doubango/output/android/armv7-a
make && make install

for ARMv7-a with NEON:

./configure --host=arm-linux-androideabi --with-android-cpu=armv7-a-neon --prefix=/home/doubango/output/android/armv7-a-neon
make && make install

for x86:

./configure --host=i686-linux-android --with-android-cpu=x86 --prefix=/home/doubango/output/android/x86
make && make install

To get more info about all available options:

./configure --help

Known issues

checking host system type... Invalid configuration arm-linux-androideabi': system androideabi' not recognized

Your host GCC version is too old and the generated config.sub doesn't support android. To fix the issue:

cp /home/doubango/new-config.sub /home/doubango/config.sub