diff --git a/deskutils/fet/Makefile b/deskutils/fet/Makefile
index dc0630a2bb54..cdbba690deab 100644
--- a/deskutils/fet/Makefile
+++ b/deskutils/fet/Makefile
@@ -2,7 +2,7 @@
 # $FreeBSD$
 
 PORTNAME=	fet
-PORTVERSION=	5.20.1
+PORTVERSION=	5.21.0
 CATEGORIES=	deskutils kde
 MASTER_SITES=	http://lalescu.ro/liviu/fet/download/ \
 		http://lalescu.ro/liviu/fet/download/old/ \
@@ -32,8 +32,6 @@ DESKTOP_ENTRIES="FET" \
 OPTIONS_DEFINE=	EXAMPLES NLS
 OPTIONS_SUB=	yes
 
-.include <bsd.port.options.mk>
-
 post-patch:
 	${REINPLACE_CMD} -e 's|/usr/share/fet|${DATADIR}|g' \
 		${WRKSRC}/src/interface/fet.cpp
@@ -42,13 +40,9 @@ do-install:
 	${INSTALL_PROGRAM} ${WRKSRC}/fet ${STAGEDIR}${PREFIX}/bin
 	${INSTALL_PROGRAM} ${WRKSRC}/fet-cl ${STAGEDIR}${PREFIX}/bin
 	${INSTALL_MAN} ${WRKSRC}/doc/fet.1 ${STAGEDIR}${MANPREFIX}/man/man1
-.if ${PORT_OPTIONS:MEXAMPLES}
-	${MKDIR} ${STAGEDIR}${EXAMPLESDIR}
+	@${MKDIR} ${STAGEDIR}${EXAMPLESDIR}
 	cd ${WRKSRC}/examples/ && ${COPYTREE_SHARE} \. ${STAGEDIR}${EXAMPLESDIR}
-.endif
-.if ${PORT_OPTIONS:MNLS}
-	${MKDIR} ${STAGEDIR}${DATADIR}/translations
+	@${MKDIR} ${STAGEDIR}${DATADIR}/translations
 	cd ${WRKSRC}/translations && ${INSTALL_DATA} *.qm ${STAGEDIR}${DATADIR}/translations
-.endif
 
 .include <bsd.port.mk>
diff --git a/deskutils/fet/distinfo b/deskutils/fet/distinfo
index d08bd0677677..f0adc9932e6f 100644
--- a/deskutils/fet/distinfo
+++ b/deskutils/fet/distinfo
@@ -1,2 +1,2 @@
-SHA256 (fet-5.20.1.tar.bz2) = 4c34b05ff6fd87326f736c7d7598e82759fcfd09701568703d9687e50c407fd2
-SIZE (fet-5.20.1.tar.bz2) = 7981564
+SHA256 (fet-5.21.0.tar.bz2) = 9a90ac129d6ccec07c50a5fb1d48de854ddeaceb855e918be8be5c89a667da89
+SIZE (fet-5.21.0.tar.bz2) = 8056540
diff --git a/deskutils/fet/files/patch-mutex b/deskutils/fet/files/patch-mutex
new file mode 100644
index 000000000000..5ae94811f34c
--- /dev/null
+++ b/deskutils/fet/files/patch-mutex
@@ -0,0 +1,337 @@
+--- src/engine/generate.cpp.orig	2014-03-02 16:22:17.052250281 +0100
++++ src/engine/generate.cpp	2014-03-02 16:16:52.423231858 +0100
+@@ -50,7 +50,7 @@
+ 
+ #include <QSemaphore>
+ 
+-extern QMutex mutex; //timetablegenerateform.cpp
++extern QMutex fet_mutex; //timetablegenerateform.cpp
+ 
+ #ifndef FET_COMMAND_LINE
+ extern QSemaphore semaphorePlacedActivity;
+@@ -2596,7 +2596,7 @@
+ 	}
+ 
+ if(threaded){
+-		mutex.lock();
++		fet_mutex.lock();
+ }
+ 	c.makeUnallocated(gt.rules);
+ 
+@@ -2612,7 +2612,7 @@
+ 	maxActivitiesPlaced=0;
+ 
+ if(threaded){
+-		mutex.unlock();
++		fet_mutex.unlock();
+ }
+ 
+ 	triedRemovals.resize(gt.rules.nInternalActivities, gt.rules.nHoursPerWeek);
+@@ -2645,13 +2645,13 @@
+ 	time(&starting_time);
+ 	
+ if(threaded){
+-		mutex.lock();
++		fet_mutex.lock();
+ }
+ 	timeToHighestStage=0;
+ 	searchTime=0;
+ 	generationStartDateTime=QDateTime::currentDateTime();
+ if(threaded){
+-		mutex.unlock();
++		fet_mutex.unlock();
+ }
+ 	
+ 	//2000 was before
+@@ -2666,11 +2666,11 @@
+ 		prevvalue:
+ 
+ if(threaded){
+-		mutex.lock();
++		fet_mutex.lock();
+ }
+ 		if(abortOptimization){
+ if(threaded){
+-			mutex.unlock();
++			fet_mutex.unlock();
+ }
+ 			return;
+ 		}
+@@ -2680,7 +2680,7 @@
+ 		
+ 		if(searchTime>=maxSeconds){
+ if(threaded){
+-			mutex.unlock();
++			fet_mutex.unlock();
+ }
+ 			
+ 			timeExceeded=true;
+@@ -2945,7 +2945,7 @@
+ 		if(!foundGoodSwap){
+ 			if(impossibleActivity){
+ if(threaded){
+-				mutex.unlock();
++				fet_mutex.unlock();
+ }
+ 				nDifficultActivities=1;
+ 				difficultActivities[0]=permutation[added_act];
+@@ -3075,7 +3075,7 @@
+ 				
+ 			added_act=q+1;
+ if(threaded){
+-			mutex.unlock();
++			fet_mutex.unlock();
+ }
+ 	
+ 			//if(semaphorePlacedActivity){
+@@ -3119,18 +3119,18 @@
+ 			}
+ 			
+ if(threaded){
+-			mutex.unlock();
++			fet_mutex.unlock();
+ }
+ 			emit(activityPlaced(added_act+1));
+ if(threaded){
+ 			semaphorePlacedActivity.acquire();
+ }
+ if(threaded){
+-			mutex.lock();
++			fet_mutex.lock();
+ }
+ 			if(added_act==gt.rules.nInternalActivities && foundGoodSwap){
+ if(threaded){
+-				mutex.unlock();
++				fet_mutex.unlock();
+ }
+ 				break;
+ 			}
+@@ -3150,7 +3150,7 @@
+ 		}
+ 
+ if(threaded){
+-		mutex.unlock();
++		fet_mutex.unlock();
+ }
+ 	}
+ 
+@@ -9111,8 +9111,8 @@
+ 	if(level==0 && (nConflActivities[perm[0]]==MAX_ACTIVITIES)){
+ 		//to check if generation was stopped
+ if(this->isThreaded){
+-			mutex.unlock();
+-			mutex.lock();
++			fet_mutex.unlock();
++			fet_mutex.lock();
+ }
+ 		if(!abortOptimization && activity_count_impossible_tries<MAX_RETRIES_FOR_AN_ACTIVITY_AT_LEVEL_0){
+ 			activity_count_impossible_tries++;
+--- src/interface/fet.cpp.orig	2014-03-02 16:22:44.447319626 +0100
++++ src/interface/fet.cpp	2014-03-02 16:18:50.547263613 +0100
+@@ -102,9 +102,9 @@
+ extern bool students_schedule_ready, teachers_schedule_ready, rooms_schedule_ready;
+ 
+ #ifndef FET_COMMAND_LINE
+-extern QMutex mutex;
++extern QMutex fet_mutex;
+ #else
+-QMutex mutex;
++QMutex fet_mutex;
+ #endif
+ 
+ void writeDefaultSimulationParameters();
+--- src/interface/timetablegenerateform.cpp.orig	2014-03-02 16:23:08.548355931 +0100
++++ src/interface/timetablegenerateform.cpp	2014-03-02 16:19:40.633349485 +0100
+@@ -38,7 +38,7 @@
+ 
+ #include "longtextmessagebox.h"
+ 
+-QMutex mutex;
++QMutex fet_mutex;
+ 
+ static GenerateThread generateThread;
+ 
+@@ -189,11 +189,11 @@
+ 
+ 	simulation_running=false;
+ 
+-	mutex.lock();
++	fet_mutex.lock();
+ 	gen.abortOptimization=true;
+-	mutex.unlock();
++	fet_mutex.unlock();
+ 
+-	mutex.lock();
++	fet_mutex.lock();
+ 
+ 	Solution& c=gen.c;
+ 
+@@ -294,7 +294,7 @@
+ 		s+="\n";
+ 	}
+ 
+-	mutex.unlock();
++	fet_mutex.unlock();
+ 
+ 	//show the message in a dialog
+ 	QDialog dialog(this);
+@@ -340,11 +340,11 @@
+ 
+ 	simulation_running=false;
+ 
+-	mutex.lock();
++	fet_mutex.lock();
+ 	gen.abortOptimization=true;
+-	mutex.unlock();
++	fet_mutex.unlock();
+ 
+-	mutex.lock();
++	fet_mutex.lock();
+ 
+ 	Solution& c=highestStageSolution;
+ 
+@@ -421,7 +421,7 @@
+ 
+ 	s+="\n";
+ 
+-	mutex.unlock();
++	fet_mutex.unlock();
+ 
+ 	//show the message in a dialog
+ 	QDialog dialog(this);
+@@ -468,11 +468,11 @@
+ 
+ 	simulation_running=false;
+ 
+-	mutex.lock();
++	fet_mutex.lock();
+ 	gen.abortOptimization=true;
+-	mutex.unlock();
++	fet_mutex.unlock();
+ 
+-	mutex.lock();
++	fet_mutex.lock();
+ 
+ 
+ 
+@@ -542,7 +542,7 @@
+ 		s+="\n";
+ 	}
+ 
+-	mutex.unlock();
++	fet_mutex.unlock();
+ 
+ 	//show the message in a dialog
+ 	QDialog dialog(this);
+@@ -661,11 +661,11 @@
+ void TimetableGenerateForm::activityPlaced(int na){
+ 	assert(gt.rules.initialized && gt.rules.internalStructureComputed);
+ 
+-	mutex.lock();
++	fet_mutex.lock();
+ 	int t=gen.searchTime; //seconds
+ 	int mact=maxActivitiesPlaced;
+ 	int seconds=gen.timeToHighestStage;
+-	mutex.unlock();
++	fet_mutex.unlock();
+ 
+ 	//write to the Qt interface
+ 	QString s;
+@@ -756,7 +756,7 @@
+ }
+ 
+ void TimetableGenerateForm::write(){
+-	mutex.lock();
++	fet_mutex.lock();
+ 
+ 	Solution& c=gen.c;
+ 
+@@ -783,7 +783,7 @@
+ 
+ 	TimetableExport::writeSimulationResults(this);
+ 
+-	mutex.unlock();
++	fet_mutex.unlock();
+ 
+ 	QString kk;
+ 	kk=FILE_SEP;
+@@ -803,7 +803,7 @@
+ }
+ 
+ void TimetableGenerateForm::writeHighestStage(){
+-	mutex.lock();
++	fet_mutex.lock();
+ 
+ 	Solution& c=highestStageSolution;
+ 
+@@ -830,7 +830,7 @@
+ 
+ 	TimetableExport::writeHighestStageResults(this);
+ 
+-	mutex.unlock();
++	fet_mutex.unlock();
+ 
+ 	QString kk;
+ 	kk=FILE_SEP;
+@@ -859,7 +859,7 @@
+ {
+ 	QString s;
+ 
+-	mutex.lock();
++	fet_mutex.lock();
+ 
+ 	s+=TimetableGenerateForm::tr("Information relating difficult to schedule activities:");
+ 	s+="\n\n";
+@@ -884,7 +884,7 @@
+ 		s+="\n";
+ 	}
+ 
+-	mutex.unlock();
++	fet_mutex.unlock();
+ 	
+ 	//show the message in a dialog
+ 	QDialog dialog(this);
+--- src/interface/timetablegeneratemultipleform.cpp.orig	2014-03-02 16:23:32.468317057 +0100
++++ src/interface/timetablegeneratemultipleform.cpp	2014-03-02 16:20:11.886252298 +0100
+@@ -35,7 +35,7 @@
+ 
+ #include <QDir>
+ 
+-extern QMutex mutex;
++extern QMutex fet_mutex;
+ 
+ static GenerateMultipleThread generateMultipleThread;
+ 
+@@ -93,9 +93,9 @@
+ 		
+ 		bool ok;
+ 
+-		mutex.lock();
++		fet_mutex.lock();
+ 		if(genMulti.abortOptimization){
+-			mutex.unlock();
++			fet_mutex.unlock();
+ 			return;
+ 		}
+ 		else if(impossible){
+@@ -163,7 +163,7 @@
+ 
+ 			s+=QString(".");
+ 		}
+-		mutex.unlock();
++		fet_mutex.unlock();
+ 		
+ 		emit(timetableGenerated(i+1, s, ok));
+ 		semaphoreTimetableFinished.acquire();
+@@ -369,9 +369,9 @@
+ 
+ 	simulation_running_multi=false;
+ 
+-	mutex.lock();
++	fet_mutex.lock();
+ 	genMulti.abortOptimization=true;
+-	mutex.unlock();
++	fet_mutex.unlock();
+ 
+ 	QString s=TimetableGenerateMultipleForm::tr("Simulation interrupted!");
+ 	s+="\n\n";
diff --git a/deskutils/fet/files/patch-src__engine__timeconstraint.cpp b/deskutils/fet/files/patch-src__engine__timeconstraint.cpp
new file mode 100644
index 000000000000..0488c80d9e66
--- /dev/null
+++ b/deskutils/fet/files/patch-src__engine__timeconstraint.cpp
@@ -0,0 +1,10 @@
+--- ./src/engine/timeconstraint.cpp.orig	2014-02-01 14:51:03.804739136 +0100
++++ ./src/engine/timeconstraint.cpp	2014-02-01 14:51:46.994628354 +0100
+@@ -42,6 +42,7 @@
+ 
+ //for min max functions
+ #include <algorithm>
++#include <stdlib.h>
+ using namespace std;
+ 
+ static QString trueFalse(bool x){