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Cross Compiling Erlang/OTP - ANDROID
====================================
Introduction
------------
This document describes how to cross compile Erlang OTP to Android/Rasberry Pi platforms.
### Download and Install Android NDK ###
https://developer.android.com/tools/sdk/ndk/index.html
### Define System Variables ###
export NDK_ROOT=/usr/local/android
export NDK_PLAT=android-9
export PATH=$NDK_ROOT/toolchains/arm-linux-androideabi-4.8/prebuilt/darwin-x86_64/bin:$PATH
### Configure OTP ###
./otp_build configure \
--xcomp-conf=./xcomp/erl-xcomp-arm-android.conf \
--without-ssl
### Compile OTP ###
make noboot [-j4]
### Make Release ###
./otp_build release -a /usr/local/otp_R16B03_arm
### Target Deployment ###
Make a tarball out of /usr/local/otp_R16B03_arm and copy it to target device
(e.g. Raspberry Pi). Extract it and install
./Install /usr/local/otp_R16B03_arm
Android SDK (adb tool) is used to deploy OTP/Erlang to target device for
evaluation purpose only.
adb push /usr/local/otp_R16B03_arm /mnt/sdcard/otp_R16B03_arm
adb shell
### Known Issues ###
* native inet:gethostbyname/1 return {error, nxdomain} on Raspberry PI. Use dns resolver to by-pass the issue (see http://www.erlang.org/doc/apps/erts/inet_cfg.html)
### References ###
The port derives some solutions from https://code.google.com/p/erlang4android/
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