build: add flag to compile V8 with Temporal support

Refs: #58730

Author: targos

configure.py

@@ -1009,6 +1009,13 @@
     default=None,
     help='Enable the built-in snapshot compression in V8.')
 
+
+parser.add_argument('--v8-enable-temporal-support',
+    action='store_true',
+    dest='v8_enable_temporal_support',
+    default=None,
+    help='Enable Temporal support in V8.')
+
 parser.add_argument('--node-builtin-modules-path',
     action='store',
     dest='node_builtin_modules_path',
@@ -1802,6 +1809,7 @@ def configure_v8(o, configs):
   o['variables']['v8_enable_external_code_space'] = 1 if options.enable_pointer_compression else 0
   o['variables']['v8_enable_31bit_smis_on_64bit_arch'] = 1 if options.enable_pointer_compression else 0
   o['variables']['v8_enable_extensible_ro_snapshot'] = 0
+  o['variables']['v8_enable_temporal_support'] = 1 if options.v8_enable_temporal_support else 0
   o['variables']['v8_trace_maps'] = 1 if options.trace_maps else 0
   o['variables']['node_use_v8_platform'] = b(not options.without_v8_platform)
   o['variables']['node_use_bundled_v8'] = b(not options.without_bundled_v8)

tools/v8_gypfiles/features.gypi

@@ -295,6 +295,10 @@
     # add a dependency on the ICU library.
     'v8_enable_i18n_support%': 1,
 
+    # Enable Temporal API. Enabling this feature will
+    # add a dependency on the temporal_rs library.
+    'v8_enable_temporal_support%': 0,
+
     # Lite mode disables a number of performance optimizations to reduce memory
     # at the cost of performance.
     # Sets --DV8_LITE_MODE.
@@ -410,6 +414,9 @@
       ['v8_enable_i18n_support==1', {
         'defines': ['V8_INTL_SUPPORT',],
       }],
+      ['v8_enable_temporal_support==1', {
+        'defines': ['V8_TEMPORAL_SUPPORT',],
+      }],
       # Refs: https://github.com/nodejs/node/pull/23801
       # ['v8_enable_handle_zapping==1', {
       #  'defines': ['ENABLE_HANDLE_ZAPPING',],