From 016c0adda7cb1a1ab7850abdd9229037d9097bda Mon Sep 17 00:00:00 2001
From: Fabian Meumertzheim <meumertzheim@code-intelligence.com>
Date: Tue, 10 Aug 2021 21:08:44 +0200
Subject: Use lld on Linux

Since we require building with a relatively modern clang, we might as
well use its linker (and in the future, its C++ standard library).
---
 driver/BUILD.bazel                   | 15 ++++++++++++---
 examples/src/main/native/BUILD.bazel |  8 ++++++++
 2 files changed, 20 insertions(+), 3 deletions(-)

diff --git a/driver/BUILD.bazel b/driver/BUILD.bazel
index 8a0762ea..8e095559 100644
--- a/driver/BUILD.bazel
+++ b/driver/BUILD.bazel
@@ -79,7 +79,10 @@ cc_binary(
     ],
     linkopts = [
         "-rdynamic",
-    ],
+    ] + select({
+        "@platforms//os:linux": ["-fuse-ld=lld"],
+        "//conditions:default": [],
+    }),
     visibility = ["//visibility:public"],
     deps = [":driver_lib"],
 )
@@ -103,7 +106,10 @@ cc_binary(
         "-fsanitize=address",
         "-static-libsan",
         "-rdynamic",
-    ],
+    ] + select({
+        "@platforms//os:linux": ["-fuse-ld=lld"],
+        "//conditions:default": [],
+    }),
     visibility = ["//visibility:public"],
     deps = [":driver_lib"] + select({
         # There is no static ASan runtime on macOS, so link to the dynamic
@@ -123,7 +129,10 @@ cc_binary(
         # Link UBSan statically, even on macOS.
         "-static-libsan",
         "-rdynamic",
-    ],
+    ] + select({
+        "@platforms//os:linux": ["-fuse-ld=lld"],
+        "//conditions:default": [],
+    }),
     visibility = ["//visibility:public"],
     deps = [":driver_lib"],
 )
diff --git a/examples/src/main/native/BUILD.bazel b/examples/src/main/native/BUILD.bazel
index f2587cbe..12bbc120 100644
--- a/examples/src/main/native/BUILD.bazel
+++ b/examples/src/main/native/BUILD.bazel
@@ -9,6 +9,10 @@ cc_shared_library(
     copts = [
         "-fsanitize=fuzzer-no-link,address",
     ],
+    linkopts = select({
+        "@platforms//os:linux": ["-fuse-ld=lld"],
+        "//conditions:default": [],
+    }),
     visibility = ["//examples:__pkg__"],
     deps = [
         "@bazel_tools//tools/jdk:jni",
@@ -27,6 +31,10 @@ cc_shared_library(
         # Workaround for https://github.com/bazelbuild/bazel/issues/11122.
         "-fno-sanitize=vptr,function",
     ],
+    linkopts = select({
+        "@platforms//os:linux": ["-fuse-ld=lld"],
+        "//conditions:default": [],
+    }),
     visibility = ["//examples:__pkg__"],
     deps = [
         "@bazel_tools//tools/jdk:jni",
-- 
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