Revert "[bazel] Use zstd from the BCR (llvm#169146)"

This reverts commit ac4cf40.

Author: yzhang93

utils/bazel/MODULE.bazel

@@ -15,14 +15,14 @@ bazel_dep(name = "rules_cc", version = "0.2.11")
 bazel_dep(name = "rules_foreign_cc", version = "0.15.1")
 bazel_dep(name = "rules_python", version = "1.6.3")
 bazel_dep(name = "rules_shell", version = "0.6.1")
-bazel_dep(name = "zstd", version = "1.5.7", repo_name = "llvm_zstd")
 
 llvm_repos_extension = use_extension(":extensions.bzl", "llvm_repos_extension")
 use_repo(
     llvm_repos_extension,
     "gmp",
     "llvm-raw",
     "llvm_zlib",
+    "llvm_zstd",
     "mpc",
     "mpfr",
     "nanobind",

utils/bazel/MODULE.bazel.lock

@@ -79,6 +79,16 @@ def _llvm_repos_extension_impl(module_ctx):
         build_file = "@llvm-raw//utils/bazel/third_party_build:pfm.BUILD",
     )
 
+    http_archive(
+        name = "llvm_zstd",
+        build_file = "@llvm-raw//utils/bazel/third_party_build:zstd.BUILD",
+        sha256 = "7c42d56fac126929a6a85dbc73ff1db2411d04f104fae9bdea51305663a83fd0",
+        strip_prefix = "zstd-1.5.2",
+        urls = [
+            "https://github.com/facebook/zstd/releases/download/v1.5.2/zstd-1.5.2.tar.gz",
+        ],
+    )
+
     http_archive(
         name = "pybind11",
         url = "https://github.com/pybind/pybind11/archive/v2.10.3.zip",

utils/bazel/extensions.bzl

@@ -105,8 +105,8 @@ cc_library(
         "//llvm:TargetParser",
         "//llvm:TransformUtils",
         "//llvm:config",
-        "//third-party:zstd",
         "@llvm_zlib//:zlib",
+        "@llvm_zstd//:zstd",
     ],
 )
 

utils/bazel/llvm-project-overlay/lld/BUILD.bazel

@@ -331,7 +331,7 @@ cc_library(
         # We unconditionally depend on the custom LLVM zstd wrapper. This will
         # be an empty library unless zstd is enabled, in which case it will
         # both provide the necessary dependencies and configuration defines.
-        "//third-party:zstd",
+        "@llvm_zstd//:zstd",
     ],
 )
 

utils/bazel/llvm-project-overlay/llvm/BUILD.bazel

@@ -1,18 +1,28 @@
 # This file is licensed under the Apache License v2.0 with LLVM Exceptions.
 # See https://llvm.org/LICENSE.txt for license information.
 # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-load("@rules_cc//cc:cc_library.bzl", "cc_library")
+load("@bazel_skylib//rules:common_settings.bzl", "bool_flag")
 
 package(
     default_visibility = ["//visibility:public"],
     # BSD/MIT-like license (for zstd)
     licenses = ["notice"],
 )
 
+bool_flag(
+    name = "llvm_enable_zstd",
+    build_setting_default = True,
+)
+
+config_setting(
+    name = "llvm_zstd_enabled",
+    flag_values = {":llvm_enable_zstd": "true"},
+)
+
 cc_library(
     name = "zstd",
     srcs = select({
-        "@llvm-project//third-party:llvm_zstd_enabled": glob([
+        ":llvm_zstd_enabled": glob([
             "lib/common/*.c",
             "lib/common/*.h",
             "lib/compress/*.c",
@@ -26,15 +36,15 @@ cc_library(
         "//conditions:default": [],
     }),
     hdrs = select({
-        "@llvm-project//third-party:llvm_zstd_enabled": [
+        ":llvm_zstd_enabled": [
             "lib/zdict.h",
             "lib/zstd.h",
             "lib/zstd_errors.h",
         ],
         "//conditions:default": [],
     }),
     defines = select({
-        "@llvm-project//third-party:llvm_zstd_enabled": [
+        ":llvm_zstd_enabled": [
             "LLVM_ENABLE_ZSTD=1",
             "ZSTD_MULTITHREAD",
         ],