build: add --without-node-code-cache configure option

So that it's possible to build without code cache (in particular,
without building mkcodecache) for testing.

PR-URL: #30647
Refs: #28845
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: David Carlier <devnexen@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

configure.py

@@ -455,6 +455,11 @@
     dest='without_node_snapshot',
     help='Turn off V8 snapshot integration. Currently experimental.')
 
+parser.add_option('--without-node-code-cache',
+    action='store_true',
+    dest='without_node_code_cache',
+    help='Turn off V8 Code cache integration.')
+
 intl_optgroup.add_option('--download',
     action='store',
     dest='download_list',
@@ -980,6 +985,12 @@ def configure_node(o):
   else:
     o['variables']['node_use_node_snapshot'] = 'false'
 
+  if not options.without_node_code_cache:
+    # TODO(refack): fix this when implementing embedded code-cache when cross-compiling.
+    o['variables']['node_use_node_code_cache'] = b(not cross_compiling)
+  else:
+    o['variables']['node_use_node_code_cache'] = 'false'
+
   if target_arch == 'arm':
     configure_arm(o)
   elif target_arch in ('mips', 'mipsel', 'mips64el'):
@@ -1100,9 +1111,7 @@ def configure_node(o):
     o['variables']['debug_nghttp2'] = 'false'
 
   o['variables']['node_no_browser_globals'] = b(options.no_browser_globals)
-  # TODO(refack): fix this when implementing embedded code-cache when cross-compiling.
-  if o['variables']['want_separate_host_toolset'] == 0:
-    o['variables']['node_code_cache'] = 'yes' # For testing
+
   o['variables']['node_shared'] = b(options.shared)
   node_module_version = getmoduleversion.get_version()
 

node.gyp

@@ -436,7 +436,7 @@
             },
           },
          }],
-        ['want_separate_host_toolset==0', {
+        ['node_use_node_code_cache=="true"', {
           'dependencies': [
             'mkcodecache',
           ],

test/parallel/test-code-cache.js

@@ -33,6 +33,8 @@ const loadedModules = process.moduleLoadList
 // are all compiled without cache and we are doing the bookkeeping right.
 if (!process.features.cached_builtins) {
   console.log('The binary is not configured with code cache');
+  assert(!process.config.variables.node_use_node_code_cache);
+
   if (isMainThread) {
     assert.deepStrictEqual(compiledWithCache, new Set());
     for (const key of loadedModules) {
@@ -46,10 +48,7 @@ if (!process.features.cached_builtins) {
     assert.notDeepStrictEqual(compiledWithCache, new Set());
   }
 } else {  // Native compiled
-  assert.strictEqual(
-    process.config.variables.node_code_cache,
-    'yes'
-  );
+  assert(process.config.variables.node_use_node_code_cache);
 
   if (!isMainThread) {
     for (const key of [ 'internal/bootstrap/pre_execution' ]) {