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This document shows how to create a custom Yocto recipe, a .bb file (bitbake file), from scratch.
If you want to create a custom Yocto recipe automatically, see Create custom yocto meta layer page under Create layer via bitbake.

Create a custom Yocto recipe

Follow these steps to create a custom Yocto recipe.

Step 1. Setup Yocto Environemnt

Make sure to setup Yocto first.

cd <your yocto folder>
source oe-init-build-env <your build directory>

After setting up Yocto, you can add your own custom layer. To create a custom layer, see Create custom yocto meta layer page.

Step 2. Create the recipe

After setting up Yocto, you can now create a custom recipe.

cd <layer folder>
#If you want to create a new recipe folder
mkdir <recipe folder name>
#e.g. mkdir recipe-software
#If you want to create a recipe in an existing folder
cd <recipe folder name>
#create the recipe
touch proventusNova_1.0.bb

After creating the .bb file, we can now edit the recipe.
You can use your preferred text editor to edit the file. Below is an example of what a recipe may contain.

DESCRIPTION = "ProventusNova Recipe"
LICENSE = "CLOSED"
SRC_URI = "file://helloworld.c"

inherit core-image

IMAGE_FEATURES += "ssh-server-openssh debug-tweaks"

CORE_IMAGE_BASE_INSTALL += "systemd"
TOOLCHAIN_HOST_TASK += "nativesdk-packagegroup-cuda-sdk-host"

inherit nopackages

do_install() {
    install -d ${D}${bindir}
    install -m 0755 <application> ${D}${bindir}/
}

do_compile() {
    ${CC} helloworld.c -o helloworld
}

Step 3. Test the recipe

After creating the recipe, test the recipe by running the command:

bitbake -c fetch proventusNova

This tests the recipe if the files are downloaded correctly.

Step 4. Build the recipe

To build the recipe, run the command:

bitbake proventusNova

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