otfcc: mark as broken

pkgs/by-name/ot/otfcc/package.nix

@@ -9,6 +9,7 @@ stdenv.mkDerivation rec {
   pname = "otfcc";
   version = "0.10.4";
 
+  # archived by the owner on Jun 3, 2022. No viable forks.
   src = fetchFromGitHub {
     owner = "caryll";
     repo = "otfcc";
@@ -38,6 +39,11 @@ stdenv.mkDerivation rec {
     license = licenses.asl20;
     platforms = platforms.unix;
     maintainers = with maintainers; [ ttuegel ];
+    # Build fails on all platforms with
+    #        > configure flags: gmake
+    #   > ** Warning: action 'xcode4' sets 'os' field, which is deprecated, use 'targetos' instead.
+    #   > Error: invalid value 'StaticRuntime' for flags
+    broken = true;
   };
 
 }