Index: compiler-rt/trunk/lib/fuzzer/CMakeLists.txt
===================================================================
--- compiler-rt/trunk/lib/fuzzer/CMakeLists.txt
+++ compiler-rt/trunk/lib/fuzzer/CMakeLists.txt
@@ -111,6 +111,11 @@
     partially_link_libcxx(fuzzer_no_main ${LIBCXX_${arch}_PREFIX} ${arch})
     partially_link_libcxx(fuzzer ${LIBCXX_${arch}_PREFIX} ${arch})
   endforeach()
+elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "Fuchsia" AND HAVE_LIBCXX)
+  foreach(arch ${FUZZER_SUPPORTED_ARCH})
+    add_dependencies(RTfuzzer.${arch} cxx)
+    add_dependencies(RTfuzzer_main.${arch} cxx)
+  endforeach()
 endif()
 
 if(COMPILER_RT_INCLUDE_TESTS)