Index: devel/rhtvision/Makefile
===================================================================
--- devel/rhtvision/Makefile	(revision 448232)
+++ devel/rhtvision/Makefile	(working copy)
@@ -3,7 +3,7 @@
 
 PORTNAME=	rhtvision
 PORTVERSION=	2.2.1.1
-PORTREVISION=	4
+PORTREVISION=	5
 CATEGORIES=	devel
 MASTER_SITES=	SF/tvision/UNIX/${PORTVERSION:R}%20CVS20100714%20Source%20and%20Debian%205.0
 DISTNAME=	${PORTNAME}_${PORTVERSION:R}-${PORTVERSION:E}
@@ -28,6 +28,9 @@
 CFLAGS+=	-I${LOCALBASE}/include
 LDFLAGS+=	-L${LOCALBASE}/lib
 
+# The port does not build with C++11 or later (bug 219275).
+USE_CXXSTD=     gnu++03
+
 PLIST_SUB=	VERSION="${PORTVERSION:R}"
 
 NLS_USES=		gettext
Index: devel/rhtvision/files/patch-classes_tdesktop.cc
===================================================================
--- devel/rhtvision/files/patch-classes_tdesktop.cc	(nonexistent)
+++ devel/rhtvision/files/patch-classes_tdesktop.cc	(working copy)
@@ -0,0 +1,23 @@
+--- classes/tdesktop.cc.orig	2017-08-18 14:40:03 UTC
++++ classes/tdesktop.cc
+@@ -26,6 +26,11 @@ Modified cursor behavior while desktop locked by Salva
+ #define Uses_TVCodePage
+ #include <tv.h>
+ 
++inline unsigned int absdiff(unsigned int a, unsigned int b)
++{
++    return (a>=b)?a-b:b-a;
++}
++
+ TDeskInit::TDeskInit( TBackground *(*cBackground)( TRect ) ) :
+     createBackground( cBackground )
+ {
+@@ -144,7 +149,7 @@ unsigned iSqr( unsigned i )
+ {
+     unsigned res1 = 2;
+     unsigned res2 = i/res1;
+-    while( abs( res1 - res2 ) > 1 )
++    while( absdiff(res1,res2) > 1 )
+         {
+         res1 = (res1 + res2)/2;
+         res2 = i/res1;

Property changes on: devel/rhtvision/files/patch-classes_tdesktop.cc
___________________________________________________________________
Added: fbsd:nokeywords
## -0,0 +1 ##
+yes
\ No newline at end of property
Added: svn:eol-style
## -0,0 +1 ##
+native
\ No newline at end of property
Added: svn:mime-type
## -0,0 +1 ##
+text/plain
\ No newline at end of property
Index: devel/rhtvision/files/patch-classes_tdisplay.cc
===================================================================
--- devel/rhtvision/files/patch-classes_tdisplay.cc	(nonexistent)
+++ devel/rhtvision/files/patch-classes_tdisplay.cc	(working copy)
@@ -0,0 +1,41 @@
+--- classes/tdisplay.cc.orig	2017-08-18 14:39:55 UTC
++++ classes/tdisplay.cc
+@@ -22,6 +22,11 @@ same used in original Turbo Vision for compatibility p
+ #define Uses_TVCodePage
+ #include <tv.h>
+ 
++inline unsigned int absdiff(unsigned int a, unsigned int b)
++{
++    return (a>=b)?a-b:b-a;
++}
++
+ // Remove me please!
+ int TDisplay::dual_display=0;
+ 
+@@ -381,10 +386,10 @@ Boolean TDisplay::searchClosestRes(TScreenResolution *
+  if (firstXMatch!=-1)
+    {// Return the closest y that match x
+     i=indexMin=firstXMatch;
+-    minDif=abs(res[i].y-y);
++    minDif=absdiff(res[i].y,y);
+     while (++i<cant && res[i].x==x)
+       {
+-       dif=abs(res[i].y-y);
++       dif=absdiff(res[i].y,y);
+        if (dif<minDif)
+          {
+           minDif=dif;
+@@ -396,11 +401,11 @@ Boolean TDisplay::searchClosestRes(TScreenResolution *
+    }
+  // No x match, looks the one with minimum differences
+  indexMin=0;
+- minDif=abs(res[0].y-y)+abs(res[0].x-x);
++ minDif=absdiff(res[0].y,y)+absdiff(res[0].x,x);
+  i=1;
+  while (i<cant)
+    {
+-    dif=abs(res[i].y-y)+abs(res[i].x-x);
++    dif=absdiff(res[i].y,y)+absdiff(res[i].x,x);
+     if (dif<minDif)
+       {
+        minDif=dif;

Property changes on: devel/rhtvision/files/patch-classes_tdisplay.cc
___________________________________________________________________
Added: fbsd:nokeywords
## -0,0 +1 ##
+yes
\ No newline at end of property
Added: svn:eol-style
## -0,0 +1 ##
+native
\ No newline at end of property
Added: svn:mime-type
## -0,0 +1 ##
+text/plain
\ No newline at end of property