# Setup the application environment Source: [https://docs.qualcomm.com/doc/80-41102-1/topic/setup_the_application_environment.html](https://docs.qualcomm.com/doc/80-41102-1/topic/setup_the_application_environment.html) Use the following guides to set up the application environment for either a Yocto platform SDK or standalone TelAF application. - **[Build Yocto Platform SDK using CodeLinaro (CLO) / open source](https://docs.qualcomm.com/doc/80-41102-1/topic/build_yocto_platform_sdk.html)** This topic provides instructions to build a yocto platform SDK using codelinaro (CLO) / open source. These instructions are applicable for QTI processor builds only. For external APs the platform SDK corresponding to the specific external AP must be used. - **[Build TelAF standalone](https://docs.qualcomm.com/doc/80-41102-1/topic/build_telaf_standalone.html)** Last Published: Aug 06, 2026 [Previous Topic References](https://docs.qualcomm.com/bundle/publicresource/80-41102-1/topics/references.md) [Next Topic Build Yocto Platform SDK using CodeLinaro (CLO) / open source](https://docs.qualcomm.com/bundle/publicresource/80-41102-1/topics/build_yocto_platform_sdk.md)