Zlib fix for updated MacOS

.bazelrc

@@ -17,3 +17,15 @@ build --java_runtime_version=11
 build --remote_cache=https://storage.googleapis.com/zipline-bazel-cache
 test --test_output=errors
 test --test_timeout=1200
+
+# Enable platform-specific configuration
+build --enable_platform_specific_config
+
+# macOS-specific flags
+build:macos --copt=-Wno-macro-redefined
+build:macos --copt=-Wno-deprecated-non-prototype
+build:macos --host_copt=-Wno-macro-redefined
+build:macos --host_copt=-Wno-deprecated-non-prototype
+
+# CI-specific flags
+build:linux --copt=-Wno-deprecated-function

WORKSPACE

@@ -2,6 +2,18 @@ workspace(name = "chronon")
 
 load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
 
+http_archive(
+    name = "zlib",
+    sha256 = "c3e5e9fdd5004dcb542feda5ee4f0ff0744628baf8ed2dd5d66f8ca1197cb1a1",
+    strip_prefix = "zlib-1.2.11",
+    urls = [
+        "https://mirror.bazel.build/zlib.net/zlib-1.2.11.tar.gz",
+        "https://zlib.net/zlib-1.2.11.tar.gz",
+    ],
+    build_file = "//third_party:zlib.BUILD",
+)
+
+
 # Load scala version from the config
 load("//:scala_config.bzl", "scala_version")
 

third_party/BUILD.bazel

@@ -0,0 +1,16 @@
+package(default_visibility = ["//visibility:public"])
+
+exports_files([
+    "zlib.BUILD",
+])
+
+config_setting(
+    name = "macos",
+    constraint_values = ["@platforms//os:macos"],
+)
+
+cc_library(
+    name = "macos_zlib_fix",
+    srcs = ["macos_zlib_fix.cc"],
+    visibility = ["//visibility:public"],
+)

third_party/macos_zlib_fix.cc

@@ -0,0 +1,8 @@
+#ifdef __APPLE__
+/* This provides a redefinition-safe fdopen on macOS as zlib is incompatible without it */
+#include <stdio.h>
+
+FILE* my_fdopen_wrapper(int fd, const char* mode) {
+    return fdopen(fd, mode);
+}
+#endif

third_party/zlib.BUILD

@@ -0,0 +1,32 @@
+package(default_visibility = ["//visibility:public"])
+
+# Import config_setting for macOS
+config_setting(
+    name = "macos",
+    constraint_values = ["@platforms//os:macos"],
+)
+
+# Define zlib with conditional compilation flags
+cc_library(
+    name = "zlib",
+    srcs = glob(["*.c"], exclude = ["example.c", "minigzip.c"]),
+    hdrs = glob(["*.h"]),
+    includes = ["."],
+    defines = select({
+        ":macos": [
+            "HAVE_UNISTD_H",
+            "NO_FSEEKO",
+            "HAVE_STDARG_H",
+            "_DARWIN_C_SOURCE",
+            "fdopen=my_fdopen_wrapper", # Redefine fdopen to avoid conflicts
+        ],
+        "//conditions:default": [],
+    }),
+    copts = select({
+        ":macos": [
+            "-Wno-macro-redefined",
+            "-Wno-deprecated-non-prototype",
+        ],
+        "//conditions:default": [],
+    }),
+)