guile*: split outputs to fix #22757

The main aim is to decouple propagatedBuildInputs from $out.

pkgs/development/interpreters/guile/1.8.nix

@@ -11,6 +11,9 @@ stdenv.mkDerivation rec {
 
   patches = [ ./cpp-4.5.patch ];
 
+  outputs = [ "out" "dev" "info" ];
+  setOutputFlags = false; # $dev gets into the library otherwise
+
   # GCC 4.6 raises a number of set-but-unused warnings.
   configureFlags = [ "--disable-error-on-warning" ];
 

pkgs/development/interpreters/guile/default.nix

@@ -14,6 +14,9 @@
     sha256 = "12yqkr974y91ylgw6jnmci2v90i90s7h9vxa4zk0sai8vjnz4i1p";
   };
 
+  outputs = [ "out" "dev" "info" ];
+  setOutputFlags = false; # $dev gets into the library otherwise
+
   nativeBuildInputs = [ makeWrapper gawk pkgconfig ];
   buildInputs = [ readline libtool libunistring libffi ];
   propagatedBuildInputs = [ gmp boehmgc ]