Step3: It will take much time to complete(depends on your PC performance and speed) and go to below path to get the SDK script with the name "poky-tiny-musl-x86_64-rb-sd-core-image-minimal-cortexa5hf-neon-toolchain-2.5.2.sh"
Step4: Give the permissions to the toolchain script file as below and install it.
$ chmod 777 poky-tiny-musl-x86_64-rb-sd-core-image-minimal-cortexa5hf-neon-toolchain-2.5.2.sh
$ sh poky-tiny-musl-x86_64-rb-sd-core-image-minimal-cortexa5hf-neon-toolchain-2.5.2.sh
Poky (Yocto Project Reference Distro) SDK installer version 2.5.2
=================================================================
Enter target directory for SDK (default: /opt/poky-tiny/2.5.2):
You are about to install the SDK to "/opt/poky-tiny/2.5.2". Proceed[Y/n]? y
Extracting SDK.......................................done
Setting it up...done
SDK has been successfully set up and is ready to be used.
Each time you wish to use the SDK in a new shell session, you need to source the environment setup script e.g.
. /opt/poky-tiny/2.5.2/environment-setup-cortexa5hf-neon-poky-linux-musleabi
Step5: To cross compile any sample application(hello_world.c) or compile any source, please run the below command to get the arm environment.