build: use variable for simdutf path

PR-URL: nodejs#56196
Reviewed-By: Juan José Arboleda <soyjuanarbol@gmail.com>
Reviewed-By: Cheng Zhao <zcbenz@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

node.gni

@@ -7,11 +7,15 @@ declare_args() {
   # The location of Node.js in source code tree.
   node_path = "//node"
 
-  # The location of V8, use the one from node's deps by default.
+  # The location of V8 - use the one from node's deps by default.
   node_v8_path = "$node_path/deps/v8"
 
+  # The location of OpenSSL - use the one from node's deps by default.
   node_openssl_path = "$node_path/deps/openssl"
 
+  # The location of simdutf - use the one from node's deps by default.
+  node_simdutf_path = "$node_path/deps/simdutf"
+
   # The NODE_MODULE_VERSION defined in node_version.h.
   node_module_version = exec_script("$node_path/tools/getmoduleversion.py", [], "value")
 

unofficial.gni

@@ -158,10 +158,10 @@ template("node_gn_build") {
       "deps/nghttp2",
       "deps/ngtcp2",
       "deps/postject",
-      "deps/simdutf",
       "deps/sqlite",
       "deps/uvwasi",
       "//third_party/zlib",
+      "$node_simdutf_path",
       "$node_v8_path:v8_libplatform",
     ]
 
@@ -300,8 +300,8 @@ template("node_gn_build") {
 
   executable("node_js2c") {
     deps = [
-      "deps/simdutf",
       "deps/uv",
+      "$node_simdutf_path",
     ]
     sources = [
       "tools/js2c.cc",
@@ -358,7 +358,7 @@ template("node_gn_build") {
       "deps/googletest",
       "deps/googletest:gtest_main",
       "deps/nbytes",
-      "deps/simdutf",
+      "$node_simdutf_path",
     ]
 
     sources = gypi_values.node_cctest_sources