QPID-8169: Don't link to pthread on Windows
diff --git a/src/tests/CMakeLists.txt b/src/tests/CMakeLists.txt
index 9387f41..0c843b2 100644
--- a/src/tests/CMakeLists.txt
+++ b/src/tests/CMakeLists.txt
@@ -232,8 +232,11 @@
                 ${actual_unit_tests} ${platform_test_additions})
 target_link_libraries (unit_test
                        ${qpid_test_boost_libs}
-                       qpidmessaging qpidtypes qpidbroker qpidclient qpidcommon
-                       pthread)
+                       qpidmessaging qpidtypes qpidbroker qpidclient qpidcommon)
+
+if (NOT CMAKE_SYSTEM_NAME STREQUAL Windows)
+    target_link_libraries (unit_test pthread)
+endif ()
 
 endif (BUILD_TESTING_UNITTESTS)