Index: cmake/QuasselCompileSettings.cmake
--- cmake/QuasselCompileSettings.cmake.orig
+++ cmake/QuasselCompileSettings.cmake
@@ -60,7 +60,6 @@ if (CMAKE_CXX_COMPILER_ID MATCHES "GNU|Clang")
     check_and_set_linker_flag("-Wl,-z,now"              NOW              LINKER_FLAGS)
     check_and_set_linker_flag("-Wl,--as-needed"         AS_NEEDED        LINKER_FLAGS)
     check_and_set_linker_flag("-Wl,--enable-new-dtags"  ENABLE_NEW_DTAGS LINKER_FLAGS)
-    check_and_set_linker_flag("-Wl,--no-undefined"      NO_UNDEFINED     LINKER_FLAGS)
 
     set(CMAKE_EXE_LINKER_FLAGS    "${LINKER_FLAGS} ${CMAKE_EXE_LINKER_FLAGS}")
     set(CMAKE_MODULE_LINKER_FLAGS "${LINKER_FLAGS} ${CMAKE_MODULE_LINKER_FLAGS}")
