Patch to turn skylark-lang into java_binary.

skylark-lang.patch

diff --git a/src/main/java/com/google/devtools/build/lib/BUILD b/src/main/java/com/google/devtools/build/lib/BUILD
index d4e18ecf8..0beac7230 100644
--- a/src/main/java/com/google/devtools/build/lib/BUILD
+++ b/src/main/java/com/google/devtools/build/lib/BUILD
@@ -434,14 +434,34 @@ java_library(
 #
 # IMPORTANT:  NOT A PUBLIC INTERFACE. TARGETS SHOULDN'T DEPEND ON THIS.
 #
-java_library(
+java_binary(
     name = "skylark-lang",
+    srcs = glob([
+        "syntax/**/*.java",
+    ]) + glob(["events/*.java"]) + glob(["vfs/inmemoryfs/*.java"]) + glob([
+        "skylarkinterface/*.java",
+    ]),
     visibility = ["//visibility:public"],
-    exports = [
+    deps = [
+        "//src/main/java/com/google/devtools/build/lib/cmdline",
+        "//src/main/java/com/google/devtools/common/options",
+        "//third_party:asm",
+        "//third_party:asm-commons",
+        "//third_party:asm-util",
+        "//third_party:auto_value",
+        "//third_party:bytebuddy",
+        "//third_party:guava",
+        "//third_party:jsr305",
+        ":clock",
+        ":collect",
+        ":concurrent",
         ":events",
-        ":inmemoryfs",
+        ":io",
+        ":os_util",
+        ":preconditions",
         ":skylarkinterface",
-        ":syntax",
+        ":unix",
+        ":util",
         ":vfs",
     ],
 )