Index: library/file/qove.cpp
===================================================================
--- library/file/qove.cpp	(revision 316)
+++ library/file/qove.cpp	(working copy)
@@ -11356,7 +11356,7 @@
 				OVE::MeasureData* measureData = d->ove.getMeasureData(i, j, k);
 				QList<OVE::MusicData*> tempoPtrs = measureData->getMusicDatas(OVE::MusicData_Tempo);
 
-				if (k == 0 || (k > 0 && abs(measure->getTypeTempo()	- d->ove.getMeasure(k - 1)->getTypeTempo()) > 0.01)) {
+				if (k == 0 || (k > 0 && std::abs(measure->getTypeTempo()	- d->ove.getMeasure(k - 1)->getTypeTempo()) > 0.01)) {
 					int tick = d->mtt.getTick(k, 0);
 					int tempo = (int) measure->getTypeTempo();
 					tempos[tick] = tempo;
@@ -11739,7 +11739,7 @@
 				}
 				case OVE::Articulation_Arpeggio: {
 					//if( art->getChangeSoundEffect() ) {
-						unsigned int soundEffect = abs(art->getSoundEffect().first) + abs(art->getSoundEffect().second);
+						unsigned int soundEffect = std::abs(art->getSoundEffect().first) + std::abs(art->getSoundEffect().second);
 						int tickAmount = (soundEffect / notes.size()) * ((notes.size() - i) - 1);
 						startTick -= tickAmount;
 					//}
Index: utils/testevents/testevents.cpp
===================================================================
--- utils/testevents/testevents.cpp	(revision 316)
+++ utils/testevents/testevents.cpp	(working copy)
@@ -262,7 +262,7 @@
     dumpEvent(new KeyPressEvent(5, 60, 124));
     dumpEvent(new ChanPressEvent(6, 111));
     dumpEvent(new PitchBendEvent(7, 1234));
-    char sysex[] = {0xf0, 0x41, 0x10, 0x42, 0x12, 0x40, 0, 0x7f, 0, 0x41, 0xf7};
+    char sysex[] = {'\xf0', '\x41', '\x10', '\x42', '\x12', '\x40', '\0', '\x7f', '\0', '\x41', '\xf7'};
     dumpEvent(new SysExEvent(QByteArray(sysex, sizeof(sysex))));
     QString text = "This can be a copyright, song name, instrument, lyric...";
     TextEvent te(text, 3);