File riscv.patch of Package rusty_v8

Index: rusty_v8-137.2.1/build/config/BUILDCONFIG.gn
===================================================================
--- rusty_v8-137.2.1.orig/build/config/BUILDCONFIG.gn
+++ rusty_v8-137.2.1/build/config/BUILDCONFIG.gn
@@ -139,8 +139,7 @@ declare_args() {
   is_clang = current_os != "linux" ||
              (current_cpu != "s390x" && current_cpu != "s390" &&
               current_cpu != "ppc64" && current_cpu != "ppc" &&
-              current_cpu != "mips" && current_cpu != "mips64" &&
-              current_cpu != "riscv64")
+              current_cpu != "mips" && current_cpu != "mips64")
 
   # Allows the path to a custom target toolchain to be injected as a single
   # argument, and set as the default toolchain.
Index: rusty_v8-137.2.1/build/config/clang/BUILD.gn
===================================================================
--- rusty_v8-137.2.1.orig/build/config/clang/BUILD.gn
+++ rusty_v8-137.2.1/build/config/clang/BUILD.gn
@@ -210,6 +210,9 @@ template("clang_lib") {
         } else if (current_cpu == "arm64") {
           _dir = "aarch64-unknown-linux-gnu"
           _suffix = "-aarch64"
+        } else if (current_cpu == "riscv64") {
+          _dir = "riscv64-unknown-linux-gnu"
+          _suffix = "-riscv64"
         } else {
           assert(false)  # Unhandled cpu type
         }
Index: rusty_v8-137.2.1/v8/third_party/highway/BUILD.gn
===================================================================
--- rusty_v8-137.2.1.orig/v8/third_party/highway/BUILD.gn
+++ rusty_v8-137.2.1/v8/third_party/highway/BUILD.gn
@@ -33,6 +33,9 @@ config("libhwy_external_config") {
     # enable emulation until highway aix support is ready.
     defines += [ "HWY_BROKEN_EMU128=0" ]
   }
+  if (target_cpu == "riscv64") {
+    defines += [ "HWY_BROKEN_TARGETS=HWY_RVV" ]
+  }
 }
 
 source_set("libhwy") {