Set Compile Environment

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This guide applies to all variations of Ubuntu 14.10 (Mate, Kubuntu, Lubuntu, Xubuntu) or Linux Mint 17, ONLY 64 bit. Do not use the 32 Bit version

General Instruction: Copy and paste the following command in your terminal (the command are those who start with the following symbol $)

Note: When you copy and paste the command, please do not copy the $, This symbol is only to indicate that a command

Remove openjdk system (if installed)

   $ sudo apt purge openjdk-\* icedtea-\* icedtea6-\*

Install JDK 6

    $ sudo add-apt-repository ppa:webupd8team/java
    $ sudo apt update && sudo apt install oracle-java6-installer

        You must accept the agreement to continue with the installation
        once installed, make sure the version of jdk is correct:

    $ java -version

        You should see something like:
            java version "1.6.0_45"
            Java(TM) SE Runtime Environment (build 1.6.0_45-b06)
            Java HotSpot(TM) 64-Bit Server VM (build 20.45-b01, mixed mode)

Now install all the tools to build

$ sudo apt install bison build-essential bzip2 curl dpkg-dev flex g++-multilib git git-review gnupg gperf lib32bz2-1.0 lib32bz2-dev lib32ncurses5-dev lib32readline-gplv2-dev lib32z1-dev libbz2-1.0 libbz2-dev libc6-dev libghc-bzlib-dev libgl1-mesa-dev libgl1-mesa-glx:i386 libncurses5-dev libreadline6-dev libreadline6-dev:i386 libx11-dev:i386 libxml2-utils lzop mingw32 pngcrush python-markdown schedtool squashfs-tools tofrodos x11proto-core-dev xsltproc zip zlib1g-dev zlib1g-dev:i386

When finished installing the tools, we will create a symbolic link of

   $ sudo ln -s /usr/lib/i386-linux-gnu/mesa/ /usr/lib/i386-linux-gnu/

Now we download and configure the tool to download the source code

   $ mkdir ~/bin && curl > ~/bin/repo && chmod a+x ~/bin/repo

Now edit it ~/.bashrc, with the editor of your choice, in this case gedit

    $ sudo gedit ~/.bashrc
    Add the following line at the end of the document

        export PATH=~/bin:$PATH

    Save the changes and close gedit, now Restart bash

        $ source ~/.bashrc

Now you will create the folder where you download the source code, then you will open the folder

   $ mkdir ~/android && cd ~/android

Congratulations Your machine is now ready to build, for download the source code and build you must follow the steps

OPTIONAL! Configure ccache, this is used to build more quickly

In your home directory edit ~/.bashrc

    $ sudo gedit ~/.bashrc

    Add the following line at the end of the document

        export USE_CCACHE=1
        export CCACHE_DIR=(directory where ccache will be located)

        example: export CCACHE_DIR=/home/build/.ccache

    Save the changes and close gedit, now Restart bash

    $ source ~/.bashrc

    Now specify the maximum size that can occupy ccache, The suggested cache size is 50-100GB, in this case 64GB
    Now in the root directory of the source code, run

    $ prebuilts/misc/linux-x86/ccache/ccache -M 64G

    You can change this setting anytime, with the value you want