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core-agent-ide/patches/v8_module_deps.patch
Channing Conger ded7854f09
V8 Bazel Build (#15021) 
Alternative approach, we use rusty_v8 for all platforms that its
predefined, but lets build from source a musl v8 version with bazel for
x86 and aarch64 only. We would need to release this on github and then
use the release.
2026-03-19 18:05:23 -07:00

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# What: replace upstream V8 module dependency bootstrapping with repository
# declarations and dependency setup that match this Bazel workspace.
# Scope: upstream MODULE.bazel only; affects external repo resolution and Bazel
# module wiring, not V8 source files.
diff --git a/orig/v8-14.6.202.11/MODULE.bazel b/mod/v8-14.6.202.11/MODULE.bazel
--- a/orig/v8-14.6.202.11/MODULE.bazel
+++ b/mod/v8-14.6.202.11/MODULE.bazel
@@ -8,7 +8,57 @@
bazel_dep(name = "rules_python", version = "1.0.0")
bazel_dep(name = "platforms", version = "1.0.0")
bazel_dep(name = "abseil-cpp", version = "20250814.0")
-bazel_dep(name = "highway", version = "1.2.0")
+bazel_dep(name = "rules_license", version = "0.0.4")
+
+git_repository = use_repo_rule("@bazel_tools//tools/build_defs/repo:git.bzl", "git_repository")
+http_archive = use_repo_rule("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
+
+http_archive(
+ name = "highway",
+ patch_args = ["-p1"],
+ patches = ["@v8//:bazel/highway.patch"],
+ sha256 = "7e0be78b8318e8bdbf6fa545d2ecb4c90f947df03f7aadc42c1967f019e63343",
+ strip_prefix = "highway-1.2.0",
+ urls = ["https://github.com/google/highway/archive/refs/tags/1.2.0.tar.gz"],
+)
+
+git_repository(
+ name = "icu",
+ build_file = "@v8//:bazel/BUILD.icu",
+ commit = "a86a32e67b8d1384b33f8fa48c83a6079b86f8cd",
+ patch_cmds = ["find source -name BUILD.bazel | xargs rm"],
+ patch_cmds_win = ["Get-ChildItem -Path source -File -Include BUILD.bazel -Recurse | Remove-Item"],
+ remote = "https://chromium.googlesource.com/chromium/deps/icu.git",
+)
+
+http_archive(
+ name = "fast_float",
+ build_file_content = 'load("@rules_cc//cc:defs.bzl", "cc_library")\n\ncc_library(\n name = "fast_float",\n hdrs = glob(["include/fast_float/*.h"]),\n include_prefix = "third_party/fast_float/src/include",\n strip_include_prefix = "include",\n visibility = ["//visibility:public"],\n)\n',
+ sha256 = "e14a33089712b681d74d94e2a11362643bd7d769ae8f7e7caefe955f57f7eacd",
+ strip_prefix = "fast_float-8.0.2",
+ urls = ["https://github.com/fastfloat/fast_float/archive/refs/tags/v8.0.2.tar.gz"],
+)
+
+git_repository(
+ name = "simdutf",
+ build_file_content = 'load("@rules_cc//cc:defs.bzl", "cc_library")\n\ncc_library(\n name = "simdutf",\n srcs = ["simdutf.cpp"],\n hdrs = ["simdutf.h"],\n copts = ["-std=c++20"],\n include_prefix = "third_party/simdutf",\n visibility = ["//visibility:public"],\n)\n',
+ commit = "93b35aec29256f705c97f675fe4623578bd7a395",
+ remote = "https://chromium.googlesource.com/chromium/src/third_party/simdutf",
+)
+
+git_repository(
+ name = "dragonbox",
+ build_file_content = 'load("@rules_cc//cc:defs.bzl", "cc_library")\n\ncc_library(\n name = "dragonbox",\n hdrs = ["include/dragonbox/dragonbox.h"],\n include_prefix = "third_party/dragonbox/src/include",\n strip_include_prefix = "include",\n visibility = ["//visibility:public"],\n)\n',
+ commit = "beeeef91cf6fef89a4d4ba5e95d47ca64ccb3a44",
+ remote = "https://chromium.googlesource.com/external/github.com/jk-jeon/dragonbox.git",
+)
+
+git_repository(
+ name = "fp16",
+ build_file_content = 'load("@rules_cc//cc:defs.bzl", "cc_library")\n\ncc_library(\n name = "fp16",\n hdrs = glob(["include/**/*.h"]),\n include_prefix = "third_party/fp16/src/include",\n includes = ["include"],\n strip_include_prefix = "include",\n visibility = ["//visibility:public"],\n)\n',
+ commit = "3d2de1816307bac63c16a297e8c4dc501b4076df",
+ remote = "https://chromium.googlesource.com/external/github.com/Maratyszcza/FP16.git",
+)
pip = use_extension("@rules_python//python/extensions:pip.bzl", "pip")
pip.parse(
@@ -22,171 +72,3 @@
)
use_repo(pip, "v8_python_deps")
-# Define the local LLVM toolchain repository
-llvm_toolchain_repository = use_repo_rule("//bazel/toolchain:llvm_repository.bzl", "llvm_toolchain_repository")
-
-llvm_toolchain_repository(
- name = "llvm_toolchain",
- path = "third_party/llvm-build/Release+Asserts",
- config_file_content = """
-load("@bazel_tools//tools/cpp:cc_toolchain_config_lib.bzl", "feature", "flag_group", "flag_set", "tool_path")
-
-def _impl(ctx):
- tool_paths = [
- tool_path(name = "gcc", path = "bin/clang"),
- tool_path(name = "ld", path = "bin/lld"),
- tool_path(name = "ar", path = "bin/llvm-ar"),
- tool_path(name = "cpp", path = "bin/clang++"),
- tool_path(name = "gcov", path = "/bin/false"),
- tool_path(name = "nm", path = "bin/llvm-nm"),
- tool_path(name = "objdump", path = "bin/llvm-objdump"),
- tool_path(name = "strip", path = "bin/llvm-strip"),
- ]
-
- features = [
- feature(
- name = "default_compile_flags",
- enabled = True,
- flag_sets = [
- flag_set(
- actions = [
- "c-compile",
- "c++-compile",
- "c++-header-parsing",
- "c++-module-compile",
- "c++-module-codegen",
- "linkstamp-compile",
- "assemble",
- "preprocess-assemble",
- ],
- flag_groups = [
- flag_group(
- flags = [
- "--sysroot={WORKSPACE_ROOT}/build/linux/debian_bullseye_amd64-sysroot",
- "-nostdinc++",
- "-isystem",
- "{WORKSPACE_ROOT}/buildtools/third_party/libc++",
- "-isystem",
- "{WORKSPACE_ROOT}/third_party/libc++/src/include",
- "-isystem",
- "{WORKSPACE_ROOT}/third_party/libc++abi/src/include",
- "-isystem",
- "{WORKSPACE_ROOT}/third_party/libc++/src/src",
- "-isystem",
- "{WORKSPACE_ROOT}/third_party/llvm-libc/src",
- "-D_LIBCPP_HARDENING_MODE_DEFAULT=_LIBCPP_HARDENING_MODE_NONE",
- "-DLIBC_NAMESPACE=__llvm_libc_cr",
- ],
- ),
- ],
- ),
- ],
- ),
- feature(
- name = "default_linker_flags",
- enabled = True,
- flag_sets = [
- flag_set(
- actions = [
- "c++-link-executable",
- "c++-link-dynamic-library",
- "c++-link-nodeps-dynamic-library",
- ],
- flag_groups = [
- flag_group(
- flags = [
- "--sysroot={WORKSPACE_ROOT}/build/linux/debian_bullseye_amd64-sysroot",
- "-fuse-ld=lld",
- "-lm",
- "-lpthread",
- ],
- ),
- ],
- ),
- ],
- ),
- ]
-
- return cc_common.create_cc_toolchain_config_info(
- ctx = ctx,
- features = features,
- cxx_builtin_include_directories = [
- "{WORKSPACE_ROOT}/buildtools/third_party/libc++",
- "{WORKSPACE_ROOT}/third_party/libc++/src/include",
- "{WORKSPACE_ROOT}/third_party/libc++abi/src/include",
- "{WORKSPACE_ROOT}/third_party/libc++/src/src",
- "{WORKSPACE_ROOT}/third_party/llvm-libc/src",
- "{WORKSPACE_ROOT}/third_party/llvm-build/Release+Asserts/lib/clang/22/include",
- "{WORKSPACE_ROOT}/third_party/llvm-build/Release+Asserts/lib/clang/23/include",
- "{WORKSPACE_ROOT}/build/linux/debian_bullseye_amd64-sysroot/usr/include",
- "{WORKSPACE_ROOT}/build/linux/debian_bullseye_amd64-sysroot/usr/local/include",
- ],
- toolchain_identifier = "local_clang",
- host_system_name = "local",
- target_system_name = "local",
- target_cpu = "k8",
- target_libc = "unknown",
- compiler = "clang",
- abi_version = "unknown",
- abi_libc_version = "unknown",
- tool_paths = tool_paths,
- )
-
-cc_toolchain_config = rule(
- implementation = _impl,
- attrs = {},
- provides = [CcToolchainConfigInfo],
-)
-""",
- build_file_content = """
-load(":cc_toolchain_config.bzl", "cc_toolchain_config")
-
-package(default_visibility = ["//visibility:public"])
-
-filegroup(
- name = "all_files",
- srcs = glob(["**/*"]),
-)
-
-filegroup(name = "empty")
-
-cc_toolchain_config(name = "k8_toolchain_config")
-
-cc_toolchain(
- name = "k8_toolchain",
- all_files = ":all_files",
- ar_files = ":all_files",
- compiler_files = ":all_files",
- dwp_files = ":empty",
- linker_files = ":all_files",
- objcopy_files = ":all_files",
- strip_files = ":all_files",
- supports_param_files = 0,
- toolchain_config = ":k8_toolchain_config",
- toolchain_identifier = "local_clang",
-)
-
-toolchain(
- name = "cc_toolchain_k8",
- exec_compatible_with = [
- "@platforms//cpu:x86_64",
- "@platforms//os:linux",
- ],
- target_compatible_with = [
- "@platforms//cpu:x86_64",
- "@platforms//os:linux",
- ],
- toolchain = ":k8_toolchain",
- toolchain_type = "@bazel_tools//tools/cpp:toolchain_type",
-)
-""",
-)
-
-register_toolchains("@llvm_toolchain//:cc_toolchain_k8")
-
-# Define local repository for libc++ from third_party sources
-libcxx_repository = use_repo_rule("//bazel/toolchain:libcxx_repository.bzl", "libcxx_repository")
-
-libcxx_repository(
- name = "libcxx",
-)
diff --git a/orig/v8-14.6.202.11/bazel/highway.patch b/mod/v8-14.6.202.11/bazel/highway.patch
new file mode 100644
--- /dev/null
+++ b/mod/v8-14.6.202.11/bazel/highway.patch
@@ -0,0 +1,12 @@
+diff --git a/BUILD b/BUILD
+--- a/BUILD
++++ b/BUILD
+@@ -2,7 +2,7 @@
+ load("@bazel_skylib//lib:selects.bzl", "selects")
+ load("@rules_license//rules:license.bzl", "license")
+
+-load("@rules_cc//cc:defs.bzl", "cc_test")
++load("@rules_cc//cc:defs.bzl", "cc_binary", "cc_library", "cc_test")
+ # Placeholder#2 for Guitar, do not remove
+
+ package(
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