Index: compiler-rt/trunk/lib/fuzzer/CMakeLists.txt
===================================================================
--- compiler-rt/trunk/lib/fuzzer/CMakeLists.txt
+++ compiler-rt/trunk/lib/fuzzer/CMakeLists.txt
@@ -34,7 +34,7 @@
 
 set(LIBFUZZER_CFLAGS ${SANITIZER_COMMON_CFLAGS})
 
-if("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux" AND COMPILER_RT_LIBCXX_PATH)
+if(OS_NAME MATCHES "Linux|Fuchsia" AND COMPILER_RT_LIBCXX_PATH)
   list(APPEND LIBFUZZER_CFLAGS -nostdinc++ -D_LIBCPP_ABI_VERSION=Fuzzer)
   # Remove -stdlib= which is unused when passing -nostdinc++.
   string(REGEX REPLACE "-stdlib=[a-zA-Z+]*" "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
@@ -82,7 +82,7 @@
   CFLAGS ${LIBFUZZER_CFLAGS}
   PARENT_TARGET fuzzer)
 
-if("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux" AND COMPILER_RT_LIBCXX_PATH)
+if(OS_NAME MATCHES "Linux|Fuchsia" AND COMPILER_RT_LIBCXX_PATH)
   macro(partially_link_libcxx name dir arch)
     set(cxx_${arch}_merge_dir "${CMAKE_CURRENT_BINARY_DIR}/cxx_${arch}_merge.dir")
     file(MAKE_DIRECTORY ${cxx_${arch}_merge_dir})
@@ -114,11 +114,6 @@
     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)