From 40318e547887e8b2b30514f36aa7425dc0c18d24 Mon Sep 17 00:00:00 2001
From: Cheng Zhao <zcbenz@gmail.com>
Date: Thu, 13 Apr 2023 15:37:44 +0900
Subject: [PATCH] Add build/config/riscv.gni

Required for building latest V8.
---
 build/config/riscv.gni | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 build/config/riscv.gni

diff --git a/build/config/riscv.gni b/build/config/riscv.gni
new file mode 100644
index 0000000..b9597a0
--- /dev/null
+++ b/build/config/riscv.gni
@@ -0,0 +1,19 @@
+# Copyright 2023 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import("//build/config/v8_target_cpu.gni")
+
+if (current_cpu == "riscv64" || v8_current_cpu == "riscv64") {
+  declare_args() {
+    # RISCV Vector extension compilation flag.
+    riscv_use_rvv = false
+
+    # RISCV Vector extension VELEN. Possible values are:
+    #   128
+    #   256
+    #   512
+    #   1024
+    riscv_rvv_vlen = 128
+  }
+}