--- src/mongo/util/net/ssl_manager.cpp.orig
+++ src/mongo/util/net/ssl_manager.cpp
@@ -186,6 +186,7 @@
 
     void SSLManager::_setupFIPS() {
         // Turn on FIPS mode if requested.
+#ifdef OPENSSL_FIPS
         int status = FIPS_mode_set(1);
         if (!status) {
             error() << "can't activate FIPS mode: " << 
@@ -193,6 +194,10 @@
             fassertFailed(16703);
         }
         log() << "FIPS 140-2 mode activated" << endl;
+#else
+        error() << "this version of mongodb was not compiled with FIPS support";
+        fassertFailed(17084);
+#endif
     }
 
     bool SSLManager::_setupPEM(const std::string& keyFile , const std::string& password) {

.