Then we can remove cmd.exe invocations, and spread those configure commands
over multiple lines since they're not strings anymore.
Signed-off-by: Yonggang Luo <luoyonggang@gmail.com>
Reviewed-by: Jesse Natalie <jenatali@microsoft.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16934>