Zephyr Workbench, a VSCode extension to manage Zephyr on STM32.
It enables users to easily create, develop, and debug Zephyr applications.
Main features:
Install host dependencies.
Import toolchain and SDK.
Create, configure, build and manage apps.
Debug STM32.
You can directly download it from the VSCode marketplace
For more details, visit the Zephyr Workbench
using a GNU toolset in order to link with a library called libstm32f429i-disco_hal_lib (or for sempicity libMyLib) you have to pass the name of library without the prefix “lib”. So in your case -lstm32f429i-disco_hal_lib (or -lMyLib).