Index: llvm/trunk/lib/Support/CMakeLists.txt
===================================================================
--- llvm/trunk/lib/Support/CMakeLists.txt
+++ llvm/trunk/lib/Support/CMakeLists.txt
@@ -33,6 +33,9 @@
   if( UNIX AND NOT (BEOS OR HAIKU) )
     set(system_libs ${system_libs} m)
   endif()
+  if( FUCHSIA )
+    set(system_libs ${system_libs} zircon)
+  endif()
 endif( MSVC OR MINGW )
 
 add_llvm_library(LLVMSupport