This patch is tailor to GNU Guix and removes crates for Windows and IOS
since there is currently no support.
--- winit-0.26.1/Cargo.toml.orig	1973-11-29 22:33:09.000000000 +0100
+++ winit-0.26.1/Cargo.toml.orig	2022-04-24 08:46:19.456166934 +0200
@@ -35,55 +35,6 @@
 image = "0.23.12"
 simple_logger = "1.9"
 
-[target.'cfg(target_os = "android")'.dependencies]
-ndk = "0.5"
-ndk-sys = "0.2.0"
-ndk-glue = "0.5"
-
-[target.'cfg(any(target_os = "ios", target_os = "macos"))'.dependencies]
-objc = "0.2.7"
-
-[target.'cfg(target_os = "macos")'.dependencies]
-cocoa = "0.24"
-core-foundation = "0.9"
-core-graphics = "0.22"
-dispatch = "0.2.0"
-
-[target.'cfg(target_os = "macos")'.dependencies.core-video-sys]
-version = "0.1.4"
-default_features = false
-features = ["display_link"]
-
-[target.'cfg(target_os = "windows")'.dependencies]
-parking_lot = "0.11"
-
-[target.'cfg(target_os = "windows")'.dependencies.winapi]
-version = "0.3.9"
-features = [
-    "combaseapi",
-    "commctrl",
-    "dwmapi",
-    "errhandlingapi",
-    "imm",
-    "hidusage",
-    "libloaderapi",
-    "objbase",
-    "ole2",
-    "processthreadsapi",
-    "shellapi",
-    "shellscalingapi",
-    "shobjidl_core",
-    "unknwnbase",
-    "winbase",
-    "windowsx",
-    "winerror",
-    "wingdi",
-    "winnt",
-    "winuser",
-    "mmsystem",
-    "timeapi"
-]
-
 [target.'cfg(any(target_os = "linux", target_os = "dragonfly", target_os = "freebsd", target_os = "openbsd", target_os = "netbsd"))'.dependencies]
 wayland-client = { version = "0.29", default_features = false,  features = ["use_system_lib"], optional = true }
 wayland-protocols = { version = "0.29", features = [ "staging_protocols"], optional = true }