Index: llvm/trunk/cmake/modules/HandleLLVMOptions.cmake
===================================================================
--- llvm/trunk/cmake/modules/HandleLLVMOptions.cmake
+++ llvm/trunk/cmake/modules/HandleLLVMOptions.cmake
@@ -138,6 +138,7 @@
 # Pass -Wl,-z,defs. This makes sure all symbols are defined. Otherwise a DSO
 # build might work on ELF but fail on MachO/COFF.
 if(NOT (${CMAKE_SYSTEM_NAME} MATCHES "Darwin" OR WIN32 OR CYGWIN OR
+        ${CMAKE_SYSTEM_NAME} MATCHES "DragonFly" OR
         ${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD" OR
 	${CMAKE_SYSTEM_NAME} MATCHES "OpenBSD" OR
 	${CMAKE_SYSTEM_NAME} MATCHES "DragonFly") AND