From 7ed3286a512dde62ba8a72da5d148f64702434b5 Mon Sep 17 00:00:00 2001
From: Azharuddin Mohammed <azhar@apple.com>
Date: Fri, 21 Aug 2020 09:22:13 -0700
Subject: [PATCH] [LibFuzzer] [tests] [Darwin] Use the pthread library from the
 SDK

---
 compiler-rt/lib/fuzzer/tests/CMakeLists.txt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/compiler-rt/lib/fuzzer/tests/CMakeLists.txt b/compiler-rt/lib/fuzzer/tests/CMakeLists.txt
index cfb039c77d0523..5b3e906419546b 100644
--- a/compiler-rt/lib/fuzzer/tests/CMakeLists.txt
+++ b/compiler-rt/lib/fuzzer/tests/CMakeLists.txt
@@ -23,6 +23,10 @@ list(APPEND LIBFUZZER_UNITTEST_LINK_FLAGS --driver-mode=g++)
 if(WIN32)
   list(APPEND LIBFUZZER_UNITTEST_LINK_FLAGS -Wl,-defaultlib:libcmt,-defaultlib:oldnames)
 else()
+  if (APPLE)
+    list(APPEND LIBFUZZER_UNITTEST_CFLAGS -isysroot ${DARWIN_osx_SYSROOT})
+    list(APPEND LIBFUZZER_UNITTEST_LINK_FLAGS -isysroot ${DARWIN_osx_SYSROOT})
+  endif()
   list(APPEND LIBFUZZER_UNITTEST_LINK_FLAGS -lpthread)
 endif()