From 15f2b32006341da2816ad8ad2121b4f806d3d6d2 Mon Sep 17 00:00:00 2001
From: Sebastian Schmidt <mrschmidt@google.com>
Date: Tue, 12 Dec 2023 13:38:51 -0800
Subject: [PATCH] Expose MediaPipe's ABSL and Sentencepiece as shared
 dependencies

PiperOrigin-RevId: 590320902
---
 WORKSPACE                           | 30 +++-----------------------
 third_party/BUILD                   |  5 ++++-
 third_party/shared_dependencies.bzl | 33 +++++++++++++++++++++++++++++
 3 files changed, 40 insertions(+), 28 deletions(-)
 create mode 100644 third_party/shared_dependencies.bzl

diff --git a/WORKSPACE b/WORKSPACE
index 3a539569f..922b2c102 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -21,21 +21,9 @@ bazel_skylib_workspace()
 load("@bazel_skylib//lib:versions.bzl", "versions")
 versions.check(minimum_bazel_version = "3.7.2")
 
-# ABSL cpp library lts_2023_01_25.
-http_archive(
-    name = "com_google_absl",
-    urls = [
-        "https://github.com/abseil/abseil-cpp/archive/refs/tags/20230125.0.tar.gz",
-    ],
-    patches = [
-        "@//third_party:com_google_absl_windows_patch.diff"
-    ],
-    patch_args = [
-        "-p1",
-    ],
-    strip_prefix = "abseil-cpp-20230125.0",
-    sha256 = "3ea49a7d97421b88a8c48a0de16c16048e17725c7ec0f1d3ea2683a2a75adc21"
-)
+load("@//third_party:shared_dependencies.bzl", "mediapipe_absl", "mediapipe_sentencepiece")
+mediapipe_absl()
+mediapipe_sentencepiece()
 
 http_archive(
     name = "rules_cc",
@@ -241,18 +229,6 @@ http_archive(
     build_file = "@//third_party:pffft.BUILD",
 )
 
-# sentencepiece
-http_archive(
-    name = "com_google_sentencepiece",
-    strip_prefix = "sentencepiece-0.1.96",
-    sha256 = "8409b0126ebd62b256c685d5757150cf7fcb2b92a2f2b98efb3f38fc36719754",
-    urls = [
-        "https://github.com/google/sentencepiece/archive/refs/tags/v0.1.96.zip"
-    ],
-    build_file = "@//third_party:sentencepiece.BUILD",
-    patches = ["@//third_party:com_google_sentencepiece.diff"],
-    patch_args = ["-p1"],
-)
 
 http_archive(
     name = "darts_clone",
diff --git a/third_party/BUILD b/third_party/BUILD
index d784fc3cc..3b8608cff 100644
--- a/third_party/BUILD
+++ b/third_party/BUILD
@@ -20,7 +20,10 @@ licenses(["notice"])  # Apache License 2.0
 
 package(default_visibility = ["//visibility:public"])
 
-exports_files(["LICENSE"])
+exports_files([
+    "LICENSE",
+    "shared_dependencies.bzl",
+])
 
 cc_library(
     name = "glog",
diff --git a/third_party/shared_dependencies.bzl b/third_party/shared_dependencies.bzl
new file mode 100644
index 000000000..6cd211a38
--- /dev/null
+++ b/third_party/shared_dependencies.bzl
@@ -0,0 +1,33 @@
+"""MediaPipe's shared dependencies that can be used by dependent projects. Includes build patches."""
+
+load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
+
+# ABSL cpp library lts_2023_01_25.
+def mediapipe_absl():
+    http_archive(
+        name = "com_google_absl",
+        urls = [
+            "https://github.com/abseil/abseil-cpp/archive/refs/tags/20230125.0.tar.gz",
+        ],
+        patches = [
+            "@//third_party:com_google_absl_windows_patch.diff",
+        ],
+        patch_args = [
+            "-p1",
+        ],
+        strip_prefix = "abseil-cpp-20230125.0",
+        sha256 = "3ea49a7d97421b88a8c48a0de16c16048e17725c7ec0f1d3ea2683a2a75adc21",
+    )
+
+def mediapipe_sentencepiece():
+    http_archive(
+        name = "com_google_sentencepiece",
+        strip_prefix = "sentencepiece-0.1.96",
+        sha256 = "8409b0126ebd62b256c685d5757150cf7fcb2b92a2f2b98efb3f38fc36719754",
+        urls = [
+            "https://github.com/google/sentencepiece/archive/refs/tags/v0.1.96.zip",
+        ],
+        build_file = "@//third_party:sentencepiece.BUILD",
+        patches = ["@//third_party:com_google_sentencepiece.diff"],
+        patch_args = ["-p1"],
+    )