anchor.diff:      ${patchClock}/bin/patchClock Top/csound.c
   
       mv include/version.h.in include/version.h
  +    # see CMakeLists.txt
  +    substituteInPlace include/version.h \
  +      --replace "\''${CS_VERSION}" "6" \
  +      --replace "\''${CS_SUBVER}" "17" \
  +      --replace "\''${CS_PATCHLEVEL}" "0"
  +
       substituteInPlace Top/csmodule.c \
         --replace '#include <dlfcn.h>' ""
       substituteInPlace Engine/csound_orc.y \
  
positive.code:     '';
    };
  
    gitignoreSource =
      (import (pkgs.fetchFromGitHub {
        owner = "hercules-ci";
        repo = "gitignore.nix";
        rev = "211907489e9f198594c0eb0ca9256a1949c9d412";
        sha256 = "sha256-qHu3uZ/o9jBHiA3MEKHJ06k7w4heOhA+4HCSIvflRxo=";
      }) { inherit lib; }).gitignoreSource;
  
    csoundSrc = gitignoreSource ../..;
  
    preprocFlags = ''
      -DGIT_HASH_VALUE=HEAD \
  
negative.code: in pkgs.stdenvNoCC.mkDerivation rec {
  
    name = "csound-wasm";
    src = csoundSrc;
  
    buildInputs = [ pkgs.flex pkgs.bison ];
  
  