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Building and using mesa for development and testing

This explains how to build mesa from source, and how to use the custom built mesa to run some apps and games, without needing to replace the mesa libraries that your operating system runs on.

Let's assume that you are using an x86_64 system.

Building mesa

Overview

HOWTO Cross compiling on Android

5W1H

What is NDK

NDK (Native Develop Toolkit) is a toolchain from Android official, originally for users who writes native C/C++ code as JNI library. It's not designed for compiling standalone programs (./a.out) and not compatible with automake/cmake etc.

What is Standalone Toolchain

"Standalone" refers to two meanings:

The program is standalone (has nothing connect to NDK, and don't need helper scripts to run it)
The toolchain is made for building standalone programs and libs, and which can used by automake etc.

(Optional) Why NDK is hard to use

By default, NDK uses android flavor directory structure when it's finding headers and libs, which is different from GNU flavor, so the compiler cannot find them. For Example:

	// ==UserScript==
	// @name Spotify ad skipper
	// @version 1.0
	// @namespace http://tampermonkey.net/
	// @description Detects and skips ads on spotify
	// @match https://.spotify.com/
	// @grant none
	// @run-at document-start
	// @downloadURL https://gist.githubusercontent.com/Simonwep/24f8cdcd6d32d86e929004013bd660ae/raw
	// @updateURL https://gist.githubusercontent.com/Simonwep/24f8cdcd6d32d86e929004013bd660ae/raw

	This is a Python script to extract GNOME/GTK's color scheme and apply it to Wine, so that the themes (approximately) match.

	Instructions:
	1. Set your Gnome theme as you would like it
	2. Run with a command like "python wine_colors_from_gtk.py" If made executable you can run it in bash as-is
	3. Open winecfg, go to Desktop Integration and install the new .theme file created
	4. Hit apply and restart any apps running in Wine. They should match the Gnome theme colors now.

	Better description with screenshots here: http://www.endolith.com/wordpress/2008/08/03/wine-colors/

	#!/bin/bash

	if [[ ! $1 ]]; then
	echo "No file provided"
	exit
	fi
	if [ ! -f "$1" ]; then
	echo "File does not exist"
	echo "$1"
	echo ""

	Written by Thanos Apostolou
	http://askubuntu.com/questions/53822/how-do-you-run-ubuntu-server-with-a-gui

	Some more info can be found here https://help.ubuntu.com/community/ServerGUI. I assume you start with a clean install of Ubuntu Server 16.04 (some modifications may be needed for older versions of Ubuntu). Depending on your needs you can do these:

	Minimal GUI:

	sudo apt install xorg
	sudo apt install --no-install-recommends openbox
	Run the command startx and openbox will start (you can open a terminal there and run any application you want)