From 530cd52f585c9d31b2b28cea7e53915af7a878e3 Mon Sep 17 00:00:00 2001
From: Greg Falcon <gfalcon@google.com>
Date: Tue, 13 Sep 2022 11:44:56 -0700
Subject: [PATCH] Add `-llog` to linker options when building log_sink_set in
 logging internals.

In Android builds this library calls __android_log_write directly, and so needs this linker dep.

PiperOrigin-RevId: 474080654
Change-Id: I19f6ac4f78e635541ccad08ec9e553adfe609b3f
---
 absl/log/CMakeLists.txt       | 1 +
 absl/log/internal/BUILD.bazel | 5 ++++-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/absl/log/CMakeLists.txt b/absl/log/CMakeLists.txt
index a96e5195..a803ca8f 100644
--- a/absl/log/CMakeLists.txt
+++ b/absl/log/CMakeLists.txt
@@ -173,6 +173,7 @@ absl_cc_library(
     ${ABSL_DEFAULT_COPTS}
   LINKOPTS
     ${ABSL_DEFAULT_LINKOPTS}
+    $<$<BOOL:${ANDROID}>:-llog>
   DEPS
     absl::base
     absl::cleanup
diff --git a/absl/log/internal/BUILD.bazel b/absl/log/internal/BUILD.bazel
index 54b221bb..19243a58 100644
--- a/absl/log/internal/BUILD.bazel
+++ b/absl/log/internal/BUILD.bazel
@@ -163,7 +163,10 @@ cc_library(
     srcs = ["log_sink_set.cc"],
     hdrs = ["log_sink_set.h"],
     copts = ABSL_DEFAULT_COPTS,
-    linkopts = ABSL_DEFAULT_LINKOPTS,
+    linkopts = ABSL_DEFAULT_LINKOPTS + select({
+        "//conditions:default": [],
+        "@platforms//os:android": ["-llog"],
+    }),
     deps = [
         ":config",
         ":globals",