use foreign_cc to build wee8

bazel/foreign_cc/BUILD

@@ -290,3 +290,22 @@ envoy_cmake_external(
         "//conditions:default": ["libz.a"],
     }),
 )
+
+configure_make(
+    name = "wee8",
+    configure_command = "third_party/depot_tools/gn",
+    configure_in_place = True,
+    configure_options = [
+        "gen",
+        "out/wee8",
+        """--args='v8_use_external_startup_data=false v8_enable_i18n_support=false v8_enable_gdbjit=false v8_expose_symbols=true is_component_build=false is_debug=false clang_use_chrome_plugins=false use_sysroot=false use_custom_libcxx=false use_glib=false custom_toolchain="//build/toolchain/linux/unbundle:default"'""",
+    ],
+    lib_source = "@com_googlesource_chromium_v8//:all",
+    make_commands = [
+        "third_party/depot_tools/ninja -C out/wee8 wee8",
+        "mkdir -p $$INSTALL_PREFIX$$/include",
+        "cp -L -r --no-target-directory third_party/wasm-api $$INSTALL_PREFIX$$/include/wasm-api",
+        "cp -L -r --no-target-directory out/wee8/obj $$INSTALL_PREFIX$$/lib",
+    ],
+    static_libraries = ["libwee8.a"],
+)

bazel/external/wee8.patch → bazel/foreign_cc/wee8.patch

@@ -3,8 +3,9 @@
 # 3. Fix for VMs with overlapping lifetimes (https://crrev.com/c/1698387).
 # 4. Fix linking with unbundled toolchain on macOS.
 # 5. Increase VSZ limit to 4TiB (allows us to start up to 370 VMs).
---- a/wee8/build/toolchain/gcc_toolchain.gni
-+++ b/wee8/build/toolchain/gcc_toolchain.gni
+# 6. Remove Bazel added -fuse-ld=gold if gn chose -fuse-ld=lld
+--- a/build/toolchain/gcc_toolchain.gni
++++ b/build/toolchain/gcc_toolchain.gni
 @@ -355,6 +355,8 @@ template("gcc_toolchain") {
          # AIX does not support either -D (deterministic output) or response
          # files.
@@ -23,8 +24,8 @@
          # the "--start-group .. --end-group" feature isn't available on the aix ld.
          start_group_flag = "-Wl,--start-group"
          end_group_flag = "-Wl,--end-group "
---- a/wee8/src/wasm/c-api.cc
-+++ b/wee8/src/wasm/c-api.cc
+--- a/src/wasm/c-api.cc
++++ b/src/wasm/c-api.cc
 @@ -633,7 +633,7 @@ auto seal(const typename implement<C>::type* x) -> const C* {
    return reinterpret_cast<const C*>(x);
  }
@@ -70,8 +71,8 @@
    store->context()->Enter();
    isolate->SetData(0, store.get());
 
---- a/wee8/src/wasm/wasm-memory.cc
-+++ b/wee8/src/wasm/wasm-memory.cc
+--- a/src/wasm/wasm-memory.cc
++++ b/src/wasm/wasm-memory.cc
 @@ -139,7 +139,7 @@ void* TryAllocateBackingStore(WasmMemoryTracker* memory_tracker, Heap* heap,
  // address space limits needs to be smaller.
  constexpr size_t kAddressSpaceLimit = 0x8000000000L;  // 512 GiB
@@ -81,8 +82,8 @@
  #else
  constexpr size_t kAddressSpaceLimit = 0xC0000000;  // 3 GiB
  #endif
---- a/wee8/third_party/wasm-api/wasm.hh
-+++ b/wee8/third_party/wasm-api/wasm.hh
+--- a/third_party/wasm-api/wasm.hh
++++ b/third_party/wasm-api/wasm.hh
 @@ -111,7 +111,7 @@ class vec {
    size_t size_;
    std::unique_ptr<T[]> data_;
@@ -92,3 +93,28 @@
    void make_data();
    void free_data();
  #else
+
+
+--- a/build/config/compiler/BUILD.gn
++++ b/build/config/compiler/BUILD.gn
+@@ -233,7 +233,6 @@ config("compiler") {
+     ":clang_revision",
+     ":compiler_cpu_abi",
+     ":compiler_codegen",
+-    ":compiler_deterministic",
+   ]
+
+   # In general, Windows is totally different, but all the other builds share
+--- a/build/toolchain/wrapper_utils.py
++++ b/build/toolchain/wrapper_utils.py
+@@ -63,6 +63,10 @@ def RunLinkWithOptionalMapFile(command, env=None, map_file=None):
+   Returns:
+     The exit code of running |command|.
+   """
++
++  if "-fuse-ld=lld" in command and "-fuse-ld=gold" in command:
++    command.remove("-fuse-ld=gold")
++
+   tmp_map_path = None
+   if map_file and map_file.endswith('.gz'):
+     tmp_map_path = map_file + '.tmp'

bazel/repositories.bzl

@@ -725,17 +725,15 @@ def _com_github_wavm_wavm():
     )
 
 def _com_googlesource_chromium_v8():
-    location = REPOSITORY_LOCATIONS["com_googlesource_chromium_v8"]
-    genrule_repository(
+    _repository_impl(
         name = "com_googlesource_chromium_v8",
-        genrule_cmd_file = "@envoy//bazel/external:wee8.genrule_cmd",
-        build_file = "@envoy//bazel/external:wee8.BUILD",
-        patches = ["@envoy//bazel/external:wee8.patch"],
-        **location
+        build_file_content = BUILD_ALL_CONTENT,
+        patch_args = ["-p1"],
+        patches = ["@envoy//bazel/foreign_cc:wee8.patch"],
     )
     native.bind(
         name = "wee8",
-        actual = "@com_googlesource_chromium_v8//:wee8",
+        actual = "@envoy//bazel/foreign_cc:wee8",
     )
 
 def _foreign_cc_dependencies():

bazel/repository_locations.bzl

@@ -245,6 +245,7 @@ REPOSITORY_LOCATIONS = dict(
         # This archive was created using https://storage.googleapis.com/envoyproxy-wee8/wee8-archive.sh
         # and contains complete checkout of v8 with all dependencies necessary to build wee8.
         sha256 = "690ca8e3460362fba8e95d94c9325211ad477a4d71a392461f899ec91afd1292",
+        strip_prefix = "wee8",
         urls = ["https://storage.googleapis.com/envoyproxy-wee8/wee8-7.6.303.20.tar.gz"],
     ),
     io_opencensus_cpp = dict(