mirror of
https://github.com/denoland/rusty_v8.git
synced 2024-11-21 15:04:33 -05:00
89 lines
3.4 KiB
Text
89 lines
3.4 KiB
Text
# This file is used by the GN meta build system to find the root of the source
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# tree and to set startup options. For documentation on the values set in this
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# file, run "gn help dotfile" at the command line.
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# The location of the build configuration file.
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buildconfig = "//build/config/BUILDCONFIG.gn"
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# These are the targets to check headers for by default. The files in targets
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# matching these patterns (see "gn help label_pattern" for format) will have
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# their includes checked for proper dependencies when you run either
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# "gn check" or "gn gen --check".
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check_targets = []
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# The secondary source root is a parallel directory tree where
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# GN build files are placed when they can not be placed directly
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# in the source tree, e.g. for third party source trees.
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secondary_source = "//v8/"
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default_args = {
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clang_use_chrome_plugins = false
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is_component_build = false
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linux_use_bundled_binutils = false
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use_dummy_lastchange = true
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use_sysroot = false
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win_crt_flavor_agnostic = true
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# Minimize size of debuginfo in distributed static library.
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line_tables_only = true
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no_inline_line_tables = true
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symbol_level = 1
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use_debug_fission = false
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v8_embedder_string = "-rusty"
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v8_enable_sandbox = false
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v8_enable_javascript_promise_hooks = true
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v8_promise_internal_field_count = 1
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v8_use_external_startup_data = false
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v8_use_snapshot = true
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# This flag speeds up the performance of fork/execve on Linux systems for
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# embedders which use it (like Node.js). It works by marking the pages that
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# V8 allocates as MADV_DONTFORK. Without MADV_DONTFORK, the Linux kernel
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# spends a long time manipulating page mappings on fork and exec which the
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# child process doesn't generally need to access.
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v8_enable_private_mapping_fork_optimization = true
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# We prefer embedders to bring their own compression
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v8_use_zlib = false
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v8_enable_snapshot_compression = false
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# Disable handle zapping for performance
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v8_enable_handle_zapping = false
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# Ensure allocation of typed arrays and arraybuffers always goes through
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# the embedder's ArrayBufferAllocator, otherwise small buffers get moved
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# around by the garbage collector but embedders normally want them to have
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# fixed addresses.
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v8_typed_array_max_size_in_heap = 0
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# Historically these always had 2 slots. Keep for compat.
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v8_array_buffer_internal_field_count = 2
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v8_array_buffer_view_internal_field_count = 2
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# Enabling the shared read-only heap comes with a restriction that all
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# isolates running at the same time must be created from the same snapshot.
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# This is problematic for Deno, which has separate "runtime" and "typescript
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# compiler" snapshots, and sometimes uses them both at the same time.
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v8_enable_shared_ro_heap = false
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# V8 11.6 hardcoded an assumption in `mksnapshot` that shared RO heap
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# is enabled. In our case it's disabled so without this flag we can't
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# compile.
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v8_enable_verify_heap = false
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# Enable V8 object print for debugging.
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# v8_enable_object_print = true
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# V8 12.3 added google/fuzztest as a third party dependency.
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# https://chromium.googlesource.com/v8/v8.git/+/d5acece0c9b89b18716c177d1fcc8f734191e1e2%5E%21/#F4
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#
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# This flag disables it.
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v8_enable_fuzztest = false
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# Disable v8::HandleScope LIFO checks.
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# https://chromium-review.googlesource.com/c/v8/v8/+/5110566
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#
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# rusty_v8 scopes are not on the stack.
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v8_enable_v8_checks = false
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}
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