build: disable custom v8 snapshot by default

This currently breaks `test/pummel/test-hash-seed.js`

PR-URL: #27365
Refs: #27321
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: Ujjwal Sharma <usharma1998@gmail.com>

configure.py

@@ -421,6 +421,11 @@
     dest='with_ltcg',
     help='Use Link Time Code Generation. This feature is only available on Windows.')
 
+parser.add_option('--with-node-snapshot',
+    action='store_true',
+    dest='with_node_snapshot',
+    help='Turn on V8 snapshot integration. Currently experimental.')
+
 intl_optgroup.add_option('--download',
     action='store',
     dest='download_list',
@@ -928,6 +933,13 @@ def configure_node(o):
   o['variables']['want_separate_host_toolset'] = int(
       cross_compiling and want_snapshots)
 
+  if options.with_node_snapshot:
+    o['variables']['node_use_node_snapshot'] = 'true'
+  else:
+    # Default to false for now.
+    # TODO(joyeecheung): enable it once we fix the hashseed uniqueness
+    o['variables']['node_use_node_snapshot'] = 'false'
+
   if target_arch == 'arm':
     configure_arm(o)
 

node.gyp

@@ -6,6 +6,7 @@
     'node_use_dtrace%': 'false',
     'node_use_etw%': 'false',
     'node_no_browser_globals%': 'false',
+    'node_use_node_snapshot%': 'false',
     'node_use_v8_platform%': 'true',
     'node_use_bundled_v8%': 'true',
     'node_shared%': 'false',
@@ -431,7 +432,7 @@
             'src/node_code_cache_stub.cc'
           ],
         }],
-        ['want_separate_host_toolset==0', {
+        ['node_use_node_snapshot=="true"', {
           'dependencies': [
             'node_mksnapshot',
           ],