diff -Nur cvmfs-cvmfs-2.1.20.0-fix05.orig/cmake/Modules/FindCARES.cmake cvmfs-cvmfs-2.1.20.0-fix05/cmake/Modules/FindCARES.cmake
--- cvmfs-cvmfs-2.1.20.0-fix05.orig/cmake/Modules/FindCARES.cmake	1970-01-01 00:00:00.000000000 +0000
+++ cvmfs-cvmfs-2.1.20.0-fix05/cmake/Modules/FindCARES.cmake	2015-07-31 18:35:05.859879354 +0000
@@ -0,0 +1,35 @@
+#
+# $Id$
+#
+# - Find cares
+# Find the native CARES includes and library
+#
+#  CARES_INCLUDE_DIRS - where to find cares.h, etc.
+#  CARES_LIBRARIES    - List of libraries when using cares.
+#  CARES_FOUND        - True if cares found.
+
+
+IF (CARES_INCLUDE_DIRS)
+  # Already in cache, be silent
+  SET(CARES_FIND_QUIETLY TRUE)
+ENDIF (CARES_INCLUDE_DIRS)
+
+FIND_PATH(CARES_INCLUDE_DIR ares.h)
+
+SET(CARES_NAMES cares)
+FIND_LIBRARY(CARES_LIBRARY NAMES ${CARES_NAMES} )
+
+# handle the QUIETLY and REQUIRED arguments and set CARES_FOUND to TRUE if 
+# all listed variables are TRUE
+INCLUDE(FindPackageHandleStandardArgs)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(CARES DEFAULT_MSG CARES_LIBRARY CARES_INCLUDE_DIR)
+
+IF(CARES_FOUND)
+  SET( CARES_LIBRARIES ${CARES_LIBRARY} )
+  SET( CARES_INCLUDE_DIRS ${CARES_INCLUDE_DIR} )
+ELSE(CARES_FOUND)
+  SET( CARES_LIBRARIES )
+  SET( CARES_INCLUDE_DIRS )
+ENDIF(CARES_FOUND)
+
+MARK_AS_ADVANCED( CARES_LIBRARIES CARES_INCLUDE_DIRS )
diff -Nur cvmfs-cvmfs-2.1.20.0-fix05.orig/CMakeLists.txt cvmfs-cvmfs-2.1.20.0-fix05/CMakeLists.txt
--- cvmfs-cvmfs-2.1.20.0-fix05.orig/CMakeLists.txt	2015-02-23 13:51:47.000000000 +0000
+++ cvmfs-cvmfs-2.1.20.0-fix05/CMakeLists.txt	2015-07-31 18:32:34.259882076 +0000
@@ -252,9 +252,12 @@
   include (${CARES_BUILTIN_LOCATION}/CVMFS-CMakeLists.txt)
   include (${LIBCURL_BUILTIN_LOCATION}/CVMFS-CMakeLists.txt)
   set (CURL_LIBRARIES "")
+  set (CARES_LIBRARIES "")
 else (LIBCURL_BUILTIN)
   find_package (CURL REQUIRED)
+  find_package (CARES REQUIRED)
   set (INCLUDE_DIRECTORIES ${INCLUDE_DIRECTORIES} ${CURL_INCLUDE_DIRS})
+  set (INCLUDE_DIRECTORIES ${INCLUDE_DIRECTORIES} ${CARES_INCLUDE_DIRS})
   if (CURL_INCLUDE_DIRS)
     find_program(CURL_CONFIG_EXEC NAMES curl-config)
     if (CURL_CONFIG_EXEC)
diff -Nur cvmfs-cvmfs-2.1.20.0-fix05.orig/cvmfs/CMakeLists.txt cvmfs-cvmfs-2.1.20.0-fix05/cvmfs/CMakeLists.txt
--- cvmfs-cvmfs-2.1.20.0-fix05.orig/cvmfs/CMakeLists.txt	2015-02-23 13:51:47.000000000 +0000
+++ cvmfs-cvmfs-2.1.20.0-fix05/cvmfs/CMakeLists.txt	2015-07-31 18:34:36.789879876 +0000
@@ -271,7 +271,7 @@
   set_target_properties (cvmfs_fuse_debug PROPERTIES VERSION ${CernVM-FS_VERSION_STRING})
 
   # link the stuff (*_LIBRARIES are dynamic link libraries *_archive are static link libraries ... one of them will be empty for each dependency)
-  set (CVMFS_FUSE_LINK_LIBRARIES ${SQLITE3_LIBRARY} ${CURL_LIBRARIES} ${PACPARSER_LIBRARIES} ${ZLIB_LIBRARIES} ${LEVELDB_LIBRARIES} ${OPENSSL_LIBRARIES} ${FUSE_LIBRARIES} ${LIBFUSE_ARCHIVE} ${SQLITE3_ARCHIVE} ${LIBCURL_ARCHIVE} ${PACPARSER_ARCHIVE} ${LEVELDB_ARCHIVE} ${CARES_ARCHIVE} ${ZLIB_ARCHIVE} ${RT_LIBRARY} ${UUID_LIBRARIES} pthread dl)
+  set (CVMFS_FUSE_LINK_LIBRARIES ${SQLITE3_LIBRARY} ${CARES_LIBRARIES} ${CURL_LIBRARIES} ${PACPARSER_LIBRARIES} ${ZLIB_LIBRARIES} ${LEVELDB_LIBRARIES} ${OPENSSL_LIBRARIES} ${FUSE_LIBRARIES} ${LIBFUSE_ARCHIVE} ${SQLITE3_ARCHIVE} ${LIBCURL_ARCHIVE} ${PACPARSER_ARCHIVE} ${LEVELDB_ARCHIVE} ${CARES_ARCHIVE} ${ZLIB_ARCHIVE} ${RT_LIBRARY} ${UUID_LIBRARIES} pthread dl)
 
   target_link_libraries (cvmfs2           ${CVMFS_LOADER_LIBS} ${OPENSSL_LIBRARIES} ${LIBFUSE} ${RT_LIBRARY} ${UUID_LIBRARIES} pthread dl)
   target_link_libraries (cvmfs_fuse_debug ${CVMFS2_DEBUG_LIBS} ${CVMFS_FUSE_LINK_LIBRARIES})
@@ -331,7 +331,7 @@
   add_dependencies (libcvmfs cvmfs_only)
 
   add_executable( test_libcvmfs ${TEST_LIBCVMFS_SOURCES} )
-  target_link_libraries( test_libcvmfs ${CMAKE_CURRENT_BINARY_DIR}/libcvmfs.a ${SQLITE3_LIBRARY} ${CURL_LIBRARIES} ${PACPARSER_LIBRARIES} ${ZLIB_LIBRARIES} ${OPENSSL_LIBRARIES} ${RT_LIBRARY} ${UUID_LIBRARIES} pthread dl )
+  target_link_libraries( test_libcvmfs ${CMAKE_CURRENT_BINARY_DIR}/libcvmfs.a ${SQLITE3_LIBRARY} ${CARES_LIBRARIES} ${CURL_LIBRARIES} ${PACPARSER_LIBRARIES} ${ZLIB_LIBRARIES} ${OPENSSL_LIBRARIES} ${RT_LIBRARY} ${UUID_LIBRARIES} pthread dl )
   add_dependencies (test_libcvmfs libcvmfs)
 
 endif (BUILD_LIBCVMFS)
@@ -371,7 +371,7 @@
   set_target_properties (cvmfs_swissknife PROPERTIES COMPILE_FLAGS "${CVMFS_SWISSKNIFE_CFLAGS}" LINK_FLAGS "${CVMFS_SWISSKNIFE_LD_FLAGS}")
 
   # link the stuff (*_LIBRARIES are dynamic link libraries)
-  target_link_libraries (cvmfs_swissknife  ${CVMFS_SWISSKNIFE_LIBS} ${SQLITE3_LIBRARY} ${CURL_LIBRARIES} ${ZLIB_LIBRARIES} ${TBB_LIBRARIES} ${OPENSSL_LIBRARIES} ${LIBCURL_ARCHIVE} ${CARES_ARCHIVE} ${SQLITE3_ARCHIVE} ${ZLIB_ARCHIVE} ${RT_LIBRARY} ${VJSON_ARCHIVE} pthread dl)
+  target_link_libraries (cvmfs_swissknife  ${CVMFS_SWISSKNIFE_LIBS} ${SQLITE3_LIBRARY} ${CARES_LIBRARIES} ${CURL_LIBRARIES} ${ZLIB_LIBRARIES} ${TBB_LIBRARIES} ${OPENSSL_LIBRARIES} ${LIBCURL_ARCHIVE} ${CARES_ARCHIVE} ${SQLITE3_ARCHIVE} ${ZLIB_ARCHIVE} ${RT_LIBRARY} ${VJSON_ARCHIVE} pthread dl)
 
   if (BUILD_SERVER_DEBUG)
     add_executable (cvmfs_swissknife_debug ${CVMFS_SWISSKNIFE_DEBUG_SOURCES})
@@ -399,7 +399,7 @@
       message (WARNING "Debug libraries of TBB were not found. Using the release versions instead.")
       set (TBB_DEBUG_LIBRARIES ${TBB_LIBRARIES})
     endif (NOT TBB_DEBUG_LIBRARIES)
-    target_link_libraries (cvmfs_swissknife_debug  ${CVMFS_SWISSKNIFE_LIBS} ${SQLITE3_LIBRARY} ${CURL_LIBRARIES} ${ZLIB_LIBRARIES} ${OPENSSL_LIBRARIES} ${LIBCURL_ARCHIVE} ${CARES_ARCHIVE} ${SQLITE3_ARCHIVE} ${ZLIB_ARCHIVE} ${TBB_DEBUG_LIBRARIES} ${RT_LIBRARY} ${VJSON_ARCHIVE} pthread dl)
+    target_link_libraries (cvmfs_swissknife_debug  ${CVMFS_SWISSKNIFE_LIBS} ${SQLITE3_LIBRARY} ${CARES_LIBRARIES} ${CURL_LIBRARIES} ${ZLIB_LIBRARIES} ${OPENSSL_LIBRARIES} ${LIBCURL_ARCHIVE} ${CARES_ARCHIVE} ${SQLITE3_ARCHIVE} ${ZLIB_ARCHIVE} ${TBB_DEBUG_LIBRARIES} ${RT_LIBRARY} ${VJSON_ARCHIVE} pthread dl)
   endif (BUILD_SERVER_DEBUG)
 endif (BUILD_SERVER)
 
diff -Nur cvmfs-cvmfs-2.1.20.0-fix05.orig/cvmfs/CMakeLists.txt cvmfs-cvmfs-2.1.20.0-fix05/cvmfs/CMakeLists.txt
--- cvmfs-cvmfs-2.1.20.0-fix05.orig/test/unittests/CMakeLists.txt.orig	2015-07-31 19:03:06.829849170 +0000
+++ cvmfs-cvmfs-2.1.20.0-fix05/test/unittests/CMakeLists.txt	2015-07-31 19:03:36.459848638 +0000
@@ -212,7 +212,7 @@
 endif (BUILD_UNITTESTS_DEBUG)
 
 # link the stuff (*_LIBRARIES are dynamic link libraries)
-set (UNITTEST_LINK_LIBRARIES ${GTEST_LIBRARIES} ${GOOGLETEST_ARCHIVE} ${OPENSSL_LIBRARIES}
+set (UNITTEST_LINK_LIBRARIES ${GTEST_LIBRARIES} ${GOOGLETEST_ARCHIVE} ${OPENSSL_LIBRARIES} ${CARES_LIBRARIES}
                              ${CURL_LIBRARIES} ${LIBCURL_ARCHIVE} ${CARES_ARCHIVE}
                              ${SQLITE3_LIBRARY} ${SQLITE3_ARCHIVE} ${TBB_LIBRARIES}
                              ${ZLIB_LIBRARIES} ${ZLIB_ARCHIVE} ${RT_LIBRARY} ${UUID_LIBRARIES}