add enzyme distribution step

Author: Shourya742

src/bootstrap/src/core/build_steps/dist.rs

@@ -2586,3 +2586,47 @@ impl Step for Gcc {
         tarball.generate()
     }
 }
+
+#[derive(Clone, Debug, Eq, Hash, PartialEq)]
+pub struct Enzyme {
+    pub target: TargetSelection,
+}
+
+impl Step for Enzyme {
+    type Output = GeneratedTarball;
+    const ONLY_HOSTS: bool = true;
+
+    fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> {
+        run.alias("enzyme")
+    }
+
+    fn make_run(run: RunConfig<'_>) {
+        run.builder.ensure(Enzyme { target: run.target });
+    }
+
+    fn run(self, builder: &Builder<'_>) -> Self::Output {
+        let tarball = Tarball::new(builder, "enzyme", &self.target.triple);
+        let output = builder.ensure(super::llvm::Enzyme { target: self.target });
+        tarball.add_file(
+            output.join("lib").join("libEnzyme-20.so"),
+            "lib",
+            FileType::NativeLibrary,
+        );
+        let cmake_dir = output.join("lib").join("cmake").join("Enzyme");
+        let cmake_files = [
+            "EnzymeConfig.cmake",
+            "EnzymeConfigVersion.cmake",
+            "EnzymeTargets-release.cmake",
+            "EnzymeTargets.cmake",
+        ];
+        for file in &cmake_files {
+            tarball.add_file(
+                cmake_dir.join(file),
+                Path::new("lib").join("cmake").join("Enzyme"),
+                FileType::Regular,
+            );
+        }
+
+        tarball.generate()
+    }
+}

src/bootstrap/src/core/builder/mod.rs

@@ -1084,7 +1084,8 @@ impl<'a> Builder<'a> {
                 dist::PlainSourceTarball,
                 dist::BuildManifest,
                 dist::ReproducibleArtifacts,
-                dist::Gcc
+                dist::Gcc,
+                dist::Enzyme
             ),
             Kind::Install => describe!(
                 install::Docs,