Add Deno.version.gnArgs (#1845)

To display specific build args passed to GN.

1 files changed, 12 insertions, 0 deletions

diff --git a/BUILD.gn b/BUILD.gn
index 4e7ab41ad..6c2528704 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -221,6 +221,10 @@ bundle("main_bundle") {
   deps = [
     ":deno_runtime_declaration",
     ":msg_ts",
+    ":write_gn_args",
+  ]
+  data = [
+    "$target_gen_dir/gn_args.txt",
   ]
 }
 
@@ -260,3 +264,11 @@ snapshot("snapshot_compiler") {
     ":compiler_bundle",
   ]
 }
+
+action("write_gn_args") {
+  script = "//tools/write_gn_args.py"
+  outputs = [
+    "$target_gen_dir/gn_args.txt",
+  ]
+  args = [ rebase_path(outputs[0], root_build_dir) ]
+}