[Bugfix] Add "#error" directives to client-side TLS sources to avoid wrong usage.

git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4104 3789f03b-4d11-0410-bbf8-ca57d06f2519

common/rfb/CSecurityTLS.cxx

 #include <config.h>
 #endif
 
-#ifdef HAVE_GNUTLS
+#ifndef HAVE_GNUTLS
+#error "This source should not be compiled without HAVE_GNUTLS defined"
+#endif
 
 #include <rfb/CSecurityTLS.h>
 
-
 using namespace rfb;
 
 CSecurityTLS::CSecurityTLS() :  anon_cred(0)
 
 }
 
-#endif /* HAVE_GNUTLS */

common/rfb/CSecurityTLS.h

 #include <config.h>
 #endif
 
-#ifdef HAVE_GNUTLS
+#ifndef HAVE_GNUTLS
+#error "This header should not be included without HAVE_GNUTLS defined"
+#endif
 
 #include <rfb/CSecurityTLSBase.h>
 #include <rfb/SSecurityVeNCrypt.h>
   };
 }
 
-#endif /* HAVE_GNUTLS */
-
 #endif /* __C_SECURITY_TLS_H__ */

common/rfb/CSecurityTLSBase.cxx

 #include <config.h>
 #endif
 
-#ifdef HAVE_GNUTLS
+#ifndef HAVE_GNUTLS
+#error "This header should not be compiled without HAVE_GNUTLS defined"
+#endif
 
 #include <rfb/CSecurityTLSBase.h>
 #include <rfb/CConnection.h>
   return true;
 }
 
-#endif /* HAVE_GNUTLS */

common/rfb/CSecurityTLSBase.h

 #include <config.h>
 #endif
 
-#ifdef HAVE_GNUTLS
+#ifndef HAVE_GNUTLS
+#error "This header should not be compiled without HAVE_GNUTLS defined"
+#endif
 
 #include <rfb/CSecurity.h>
 #include <rfb/Security.h>
   };
 }
 
-#endif /* HAVE_GNUTLS */
-
 #endif