Isn’t that dependent on your private key stored on Apple’s equivalent to a TPM?
That said, lots of IDEs let you build on Windows/Linux, they just use a daemon running on a headless Mac on your LAN (or a rented “cloud” Mac) to do the code-signing part.
That said, lots of IDEs let you build on Windows/Linux, they just use a daemon running on a headless Mac on your LAN (or a rented “cloud” Mac) to do the code-signing part.