Add Bazel config for zlib support (#5389)

* Add Bazel config for optional zlib support

* Add hard dependency on zlib

* Remove unused config_setting

1 files changed, 15 insertions, 1 deletions

diff --git a/WORKSPACE b/WORKSPACE
index f3020843f..0fa64583a 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -1,10 +1,11 @@
 workspace(name = "com_google_protobuf")
+
 load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
 
 new_local_repository(
     name = "submodule_gmock",
+    build_file = "@//:third_party/googletest/BUILD.bazel",
     path = "third_party/googletest",
-    build_file = "@//:third_party/googletest/BUILD.bazel"
 )
 
 http_archive(
@@ -21,6 +22,14 @@ http_archive(
     urls = ["https://github.com/bazelbuild/bazel-skylib/archive/2169ae1c374aab4a09aa90e65efe1a3aad4e279b.tar.gz"],
 )
 
+http_archive(
+    name = "net_zlib",
+    build_file = "//:third_party/zlib.BUILD",
+    sha256 = "c3e5e9fdd5004dcb542feda5ee4f0ff0744628baf8ed2dd5d66f8ca1197cb1a1",
+    strip_prefix = "zlib-1.2.11",
+    urls = ["https://zlib.net/zlib-1.2.11.tar.gz"],
+)
+
 bind(
     name = "python_headers",
     actual = "//util/python:python_headers",
@@ -60,3 +69,8 @@ bind(
     name = "gson",
     actual = "@gson_maven//jar",
 )
+
+bind(
+    name = "zlib",
+    actual = "@net_zlib//:zlib",
+)