minor CMake tweak. Probably going to clash with Russ's CMake tweak

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 02bd625dfc2e1014e1c18420224e47ac1aa64709..32e64c2a6d9b2d98dd984f85be73728fa2cb7555 100644 (file)
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -27,6 +27,7 @@ set(EXTERNAL_LIBRARIES
     ${DNET_LIBRARIES}
     ${CLANG_CXX_LIBRARY}
     ${CMAKE_THREAD_LIBS_INIT} # GCC says we must link to the threads library
+    ${CMAKE_DL_LIBS}
     CACHE INTERNAL "external libraries" FORCE
 )