Add "wsl_clipboard" build tag for creating Linux binaries that use the Windows clipboard

README.md

@@ -24,9 +24,12 @@ CGO_ENABLED=0 go build -ldflags="-s -w" ./mutn.go
 CGO_ENABLED=0 go build -ldflags="-s -w" ./libmuttonserver.go
 ```
 
+Additionally, some custom build tags can be used to create different binaries. The following tags are not used in official builds:
+- `wsl_clipboard`: Allows creating a Linux binary that can interact with the Windows clipboard (for WSL)
+- `termux`: Allows creating a Linux binary that can interact with the Termux clipboard (for Android)
+
 # Roadmap
 #### Release v0.2.0 - Make repo public - No binaries
-- Add custom build option for WSL support
 - Add fail-specific error codes
 - Address most TODOs
 - Hunt and fix bugs in preparation for public debut

src/backend/copyTERMUX.go

@@ -1,4 +1,4 @@
-//go:build termux
+//go:build termux && !windows && !darwin
 
 package backend
 

src/backend/copyUNIXGeneric.go

@@ -1,4 +1,4 @@
-//go:build !windows && !darwin && !termux
+//go:build !windows && !darwin && !termux && !wsl_clipboard
 
 package backend
 

src/backend/copyWIN.go

@@ -1,4 +1,4 @@
-//go:build windows
+//go:build windows || (!windows && !darwin && !termux && wsl_clipboard)
 
 package backend