diff --git a/src/XrdCl/CMakeLists.txt b/src/XrdCl/CMakeLists.txt
index 8c3de77744b..61d47e25019 100644
--- a/src/XrdCl/CMakeLists.txt
+++ b/src/XrdCl/CMakeLists.txt
@@ -95,6 +95,7 @@ target_link_libraries(
   XrdXml
   XrdUtils
   pthread
+  ${EXTRA_LIBS}
   ${CMAKE_DL_LIBS})
 
 set_target_properties(
diff --git a/src/XrdMacaroons/XrdMacaroonsHandler.cc b/src/XrdMacaroons/XrdMacaroonsHandler.cc
index ce81bac4f72..785a59aece9 100644
--- a/src/XrdMacaroons/XrdMacaroonsHandler.cc
+++ b/src/XrdMacaroons/XrdMacaroonsHandler.cc
@@ -498,7 +498,7 @@ Handler::GenerateMacaroonResponse(XrdHttpExtReq &req, const std::string &resourc
     std::vector<char> macaroon_resp; macaroon_resp.reserve(size_hint);
     if (macaroon_serialize(mac_with_date, &macaroon_resp[0], size_hint, &mac_err))
     {
-        printf("Returned macaroon_serialize code: %lu\n", size_hint);
+        printf("Returned macaroon_serialize code: %zu\n", size_hint);
         return req.SendSimpleResp(500, NULL, NULL, "Internal error serializing macaroon", 0);
     }
 
diff --git a/src/XrdOfs/XrdOfsTPC.hh b/src/XrdOfs/XrdOfsTPC.hh
index b60bcb0fc54..dfa7c590b0d 100644
--- a/src/XrdOfs/XrdOfsTPC.hh
+++ b/src/XrdOfs/XrdOfsTPC.hh
@@ -88,10 +88,10 @@ struct  iParm {char *Pgm;
                int   Strm;
                int   SMax;
                int   Xmax;
-               char  Grab;
-               char  xEcho;
-               char  autoRM;
-               char  oidsOK;
+               signed char Grab;
+               signed char xEcho;
+               signed char autoRM;
+               signed char oidsOK;
                      iParm() : Pgm(0), Ckst(0), cpath(0), fCreds(0),
                                Dflttl(-1), Maxttl(-1),
                                Logok(-1), Strm(-1), SMax(64), Xmax(-1), Grab(0),