diff -Naur ORIG/CMakeLists.txt PATCHED/CMakeLists.txt
--- ORIG/CMakeLists.txt	2026-09-01 09:56:14.768546335 +0000
+++ PATCHED/CMakeLists.txt	2026-09-01 09:56:14.768546335 +0000
@@ -341,6 +341,7 @@
   set_target_properties(${mylib}        PROPERTIES POSITION_INDEPENDENT_CODE ON  SOVERSION 0.0.0)
   set_target_properties(${mylib}        PROPERTIES DEFINE_SYMBOL "")
   set_target_properties(${mylib}        PROPERTIES OUTPUT_NAME ${mylibname})
+  target_link_libraries(${mylib}  PRIVATE Threads::Threads)
   target_compile_features(${mylib} PRIVATE cxx_std_11)
   set_target_properties(${mylib} PROPERTIES  ARCHIVE_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/outputs/${CMAKE_INSTALL_LIBDIR}/SHERPA-MC/$<0:>
                                              LIBRARY_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/outputs/${CMAKE_INSTALL_LIBDIR}/SHERPA-MC/$<0:>
