Index: ConfigureChecks.cmake
===================================================================
--- ConfigureChecks.cmake	(revision 1248518)
+++ ConfigureChecks.cmake	(working copy)
@@ -90,6 +90,7 @@
   endif( )
   if( GPGME_LIBRARIES )
     string( REGEX REPLACE "(^| )-l" ";" GPGME_LIBRARIES "${GPGME_LIBRARIES}" )
+    set( GPGME_LIBRARIES "${GPGME_LIBRARIES} -lgpg-error" CACHE INTERNAL "" FORCE )
   endif( )
 
   # assuming that all newer system have gpgme >= 0.4