1 files changed, 9 insertions, 8 deletions
diff --git a/BUILD b/BUILD
index dbc6a3d..e09518c 100644
--- a/BUILD
+++ b/BUILD
@@ -9,6 +9,11 @@ licenses(["notice"])
 exports_files(["LICENSE"])
 
 config_setting(
+    name = "darwin",
+    values = {"cpu": "darwin"},
+)
+
+config_setting(
     name = "windows",
     values = {"cpu": "x64_windows"},
 )
@@ -73,6 +78,10 @@ cc_library(
         "//conditions:default": ["-pthread"],
     }),
     linkopts = select({
+        # Darwin doesn't need `-pthread' when linking and it appears that
+        # older versions of Clang will warn about the unused command line
+        # argument, so just don't pass it.
+        ":darwin": [],
         ":windows": [],
         ":windows_msvc": [],
         "//conditions:default": ["-pthread"],
@@ -225,13 +234,5 @@ cc_binary(
     name = "regexp_benchmark",
     testonly = 1,
     srcs = ["re2/testing/regexp_benchmark.cc"],
-    linkopts = select({
-        ":windows": [],
-        ":windows_msvc": [],
-        "//conditions:default": [
-            "-lm",
-            "-lrt",
-        ],
-    }),
     deps = [":benchmark"],
 )