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[v8.x backport] build: allow enabling the --trace-maps flag in V8 #14344

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[v8.x backport] build: allow enabling the --trace-maps flag in V8 #14344

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6 changes: 6 additions & 0 deletions configure
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Original file line number Diff line number Diff line change
Expand Up @@ -288,6 +288,11 @@ parser.add_option('--enable-d8',
dest='enable_d8',
help=optparse.SUPPRESS_HELP) # Unsupported, undocumented.

parser.add_option('--enable-trace-maps',
action='store_true',
dest='trace_maps',
help='Enable the --trace-maps flag in V8 (use at your own risk)')

parser.add_option('--v8-options',
action='store',
dest='v8_options',
Expand Down Expand Up @@ -956,6 +961,7 @@ def configure_v8(o):
o['variables']['v8_random_seed'] = 0 # Use a random seed for hash tables.
o['variables']['v8_promise_internal_field_count'] = 1 # Add internal field to promises for async hooks.
o['variables']['v8_use_snapshot'] = b(options.with_snapshot)
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)
o['variables']['force_dynamic_crt'] = 1 if options.shared else 0
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1 change: 1 addition & 0 deletions node.gyp
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@@ -1,6 +1,7 @@
{
'variables': {
'v8_use_snapshot%': 'false',
'v8_trace_maps%': 0,
'node_use_dtrace%': 'false',
'node_use_lttng%': 'false',
'node_use_etw%': 'false',
Expand Down