5 files changed, 13 insertions, 12 deletions
diff --git a/op.c b/op.c
index bcf154dea3..89de1851e6 100644
--- a/op.c
+++ b/op.c
@@ -475,8 +475,8 @@ Perl_pad_sv(pTHX_ PADOFFSET po)
     dTHR;
 #ifdef USE_THREADS
     DEBUG_X(PerlIO_printf(Perl_debug_log,
-			  "0x%"UVxf" Pad 0x%"UVxf" sv %d\n",
-			  PTR2UV(thr), PTR2UV(PL_curpad), po));
+			  "0x%"UVxf" Pad 0x%"UVxf" sv %"IVdf"\n",
+			  PTR2UV(thr), PTR2UV(PL_curpad), (IV)po));
 #else
     if (!po)
 	Perl_croak(aTHX_ "panic: pad_sv po");
@@ -498,8 +498,8 @@ Perl_pad_free(pTHX_ PADOFFSET po)
 	Perl_croak(aTHX_ "panic: pad_free po");
 #ifdef USE_THREADS
     DEBUG_X(PerlIO_printf(Perl_debug_log,
-			  "0x%"UVxf" Pad 0x%"UVxf" free %d\n",
-			  PTR2UV(thr), PTR2UV(PL_curpad), po));
+			  "0x%"UVxf" Pad 0x%"UVxf" free %"IVd"\n",
+			  PTR2UV(thr), PTR2UV(PL_curpad), (IV)po));
 #else
     DEBUG_X(PerlIO_printf(Perl_debug_log, "Pad 0x%"UVxf" free %"IVdf"\n",
 			  PTR2UV(PL_curpad), (IV)po));
@@ -520,8 +520,8 @@ Perl_pad_swipe(pTHX_ PADOFFSET po)
 	Perl_croak(aTHX_ "panic: pad_swipe po");
 #ifdef USE_THREADS
     DEBUG_X(PerlIO_printf(Perl_debug_log,
-			  "0x%"UVxf" Pad 0x%"UVxf" swipe %d\n",
-			  PTR2UV(thr), PTR2UV(PL_curpad), po));
+			  "0x%"UVxf" Pad 0x%"UVxf" swipe %"IVdf"\n",
+			  PTR2UV(thr), PTR2UV(PL_curpad), (IV)po));
 #else
     DEBUG_X(PerlIO_printf(Perl_debug_log, "Pad 0x%"UVxf" swipe %"IVdf"\n",
 			  PTR2UV(PL_curpad), (IV)po));
diff --git a/perl.c b/perl.c
index 46efa2aa50..cc13c23a88 100644
--- a/perl.c
+++ b/perl.c
@@ -281,8 +281,8 @@ perl_destruct(pTHXx)
 	    goto retry_cleanup;
 	default:
 	    DEBUG_S(PerlIO_printf(Perl_debug_log,
-				  "perl_destruct: ignoring %p (state %u)\n",
-				  t, ThrSTATE(t)));
+				  "perl_destruct: ignoring %p (state %"UVuf")\n",
+				  t, (UV)ThrSTATE(t)));
 	    MUTEX_UNLOCK(&t->mutex);
 	    /* fall through and out */
 	}
diff --git a/regcomp.c b/regcomp.c
index d3b2c0336f..d68b351e9c 100644
--- a/regcomp.c
+++ b/regcomp.c
@@ -3188,7 +3188,7 @@ S_dumpuntil(pTHX_ regnode *start, regnode *node, regnode *last, SV* sv, I32 l)
 	    goto after_print;
 	regprop(sv, node);
 	PerlIO_printf(Perl_debug_log, "%4"IVdf":%*s%s", (IV)(node - start),
-		      2*l + 1, "", SvPVX(sv));
+		      (int)(2*l + 1), "", SvPVX(sv));
 	if (next == NULL)		/* Next ptr. */
 	    PerlIO_printf(Perl_debug_log, "(0)");
 	else 
diff --git a/scope.c b/scope.c
index da428d7642..9c8a0f402e 100644
--- a/scope.c
+++ b/scope.c
@@ -443,8 +443,8 @@ Perl_save_threadsv(pTHX_ PADOFFSET i)
 #ifdef USE_THREADS
     dTHR;
     SV **svp = &THREADSV(i);	/* XXX Change to save by offset */
-    DEBUG_S(PerlIO_printf(Perl_debug_log, "save_threadsv %u: %p %p:%s\n",
-			  i, svp, *svp, SvPEEK(*svp)));
+    DEBUG_S(PerlIO_printf(Perl_debug_log, "save_threadsv %"UVuf": %p %p:%s\n",
+			  (UV)i, svp, *svp, SvPEEK(*svp)));
     save_svref(svp);
     return svp;
 #else
diff --git a/util.c b/util.c
index 5a7d1bf41c..9bd766c6c0 100644
--- a/util.c
+++ b/util.c
@@ -3473,7 +3473,8 @@ Perl_new_struct_thread(pTHX_ struct perl_thread *t)
 	    av_store(thr->threadsv, i, sv);
 	    sv_magic(sv, 0, 0, &PL_threadsv_names[i], 1);
 	    DEBUG_S(PerlIO_printf(Perl_debug_log,
-		"new_struct_thread: copied threadsv %d %p->%p\n",i, t, thr));
+		"new_struct_thread: copied threadsv %"IVdf" %p->%p\n",
+				  (IV)i, t, thr));
 	}
     } 
     thr->threadsvp = AvARRAY(thr->threadsv);