How to Create Yocto Projects

Table of Contents [Sticky]

Create a Basic Project

On this section we will unify all the information provided about Yocto to create a simple project. First, we will generated a Yocto image, then we will create out own first meta-layer. If you have extra question feel free to

Setting Enviroment

Install Dependencies

sudo apt-get install gawk wget git-core diffstat unzip texinfo gcc-multilib build-essential chrpath socat cpio python python3 python3-pip python3-pexpect xz-utils debianutils iputils-ping

Create the Yocto project directory

mkdir yocto-first-project
cd yocto-first-project

Get Poky source code

git clone -b dunfell git://git.yoctoproject.org/poky.git poky
cd poky

Run Yocto enviroment script.
```
source oe-init-build-env
```

Create a custom meta-layer

Create the meta-rr. Yocto provides a command to create your own meta-layers
```
bitbake-layers create-layer meta-rr
```
Run the following command to include meta-rr into the project meta-layers.
```
bitbake-layers add-layer meta-rr
```
Check meta-rr is active
```
bitbake-layers show-layers
```

Create the Source Code

Create the a directory for the new recipe.

mkdir -p meta-rr/recipes-example/rrrecipe/files

With your favorite text editor create my_first_recipe.c into the directory previously created and include the following content.
```
#include <stdio.h>
int main()
{
	printf("RidgeRun LLC. \n");
	printf("Embedded Solutions. \n");
	return 0;
}
```

Create the recipe

Run the following command to create the recipe file.
```
touch meta-rr/recipes-example/rrrecipe/rr_recipe.bb
```
With your favorite text editor include the following content.