faust: make faust2sc available

pkgs/applications/audio/faust/faust2.nix

@@ -50,7 +50,7 @@ let
 
 
     passthru = {
-      inherit wrap wrapWithBuildEnv;
+      inherit wrap wrapWithBuildEnv faust2ApplBase;
     };
 
 

pkgs/applications/audio/faust/faust2sc.nix

@@ -0,0 +1,38 @@
+{ faust
+, baseName ? "faust2sc"
+, supercollider
+, makeWrapper
+, python3
+, stdenv
+}@args:
+let
+  faustDefaults = faust.faust2ApplBase
+    (args // {
+      baseName = "${baseName}.py";
+    });
+in
+stdenv.mkDerivation (faustDefaults // {
+
+  nativeBuildInputs = [ makeWrapper ];
+
+  propagatedBuildInputs = [ python3 faust supercollider ];
+
+  postInstall = ''
+    mv "$out/bin/${baseName}.py" "$out"/bin/${baseName}
+  '';
+
+  postFixup = ''
+    # export parts of the build environment
+    mkdir "$out"/include
+    # until pr #887 is merged and released in faust we need to link the header folders
+    ln -s "${supercollider}"/include/SuperCollider/plugin_interface "$out"/include/plugin_interface
+    ln -s "${supercollider}"/include/SuperCollider/common "$out"/include/common
+    ln -s "${supercollider}"/include/SuperCollider/server "$out"/include/server
+    wrapProgram "$out"/bin/${baseName} \
+      --append-flags "--import-dir ${faust}/share/faust" \
+      --append-flags "--architecture-dir ${faust}/share/faust" \
+      --append-flags "--architecture-dir ${faust}/include" \
+      --append-flags "-p $out" \
+      --prefix PATH : "$PATH"
+  '';
+})

pkgs/top-level/all-packages.nix

@@ -38161,6 +38161,8 @@ with pkgs;
 
   faust2csound = callPackage ../applications/audio/faust/faust2csound.nix { };
 
+  faust2sc = callPackage ../applications/audio/faust/faust2sc.nix { };
+
   faust2firefox = callPackage ../applications/audio/faust/faust2firefox.nix { };
 
   faust2jack = callPackage ../applications/audio/faust/faust2jack.nix { };