diff --git a/srcpkgs/qmc2/patches/fix-compare.patch b/srcpkgs/qmc2/patches/fix-compare.patch
new file mode 100644
index 00000000000..c771e4fc398
--- /dev/null
+++ b/srcpkgs/qmc2/patches/fix-compare.patch
@@ -0,0 +1,107 @@
+--- emuopt.cpp	2017-02-12 13:23:51.059819191 +0100
++++ emuopt.cpp	2017-03-07 01:57:07.400869534 +0100
+@@ -53,6 +53,13 @@
+ QStringList optionChoices;
+ QString optionPart;
+ QString optionRelativeTo;
++// String literals for QString::compare()
++static const QString s_true = QStringLiteral("true");
++static const QString s_false = QStringLiteral("false");
++static const QString s_combo = QStringLiteral("combo");
++static const QString s_choice = QStringLiteral("choice");
++static const QString s_file = QStringLiteral("file");
++static const QString s_emulatorWorkingDirectory = QStringLiteral("emulatorWorkingDirectory");
+ 
+ #if defined(_MIN)
+ #undef _MIN
+@@ -514,7 +521,7 @@
+ 				optionType = subItem->text(1);
+ 		}
+ 		if ( optionType == "bool" )
+-			defaultValue = defaultValue == tr("true") ? "true" : "false";
++			defaultValue = defaultValue == tr("true") ? s_true : s_false;
+ 		if ( qmc2Config->group() == settingsGroup ) {
+ 			qmc2Config->endGroup();
+ 			if ( qmc2Config->contains(QMC2_EMULATOR_PREFIX + "Configuration/Global/" + optionName) )
+@@ -543,9 +550,9 @@
+ 			case QMC2_EMUOPT_TYPE_BOOL: {
+ 				QCheckBox *checkBoxEditor = static_cast<QCheckBox*>(editor);
+ 				if ( checkBoxEditor->isChecked() )
+-					currentValue = "true";
++					currentValue = s_true;
+ 				else
+-					currentValue = "false";
++					currentValue = s_false;
+ 				break;
+ 			}
+ 			case QMC2_EMUOPT_TYPE_INT: {
+@@ -1201,7 +1208,7 @@
+ 			if ( xmlReader->isStartElement() ) {
+ 				QString elementType(xmlReader->name().toString());
+ 				if ( choiceEntity.compare(elementType) == 0 ) {
+-					if ( xmlReader->attributes().value("ignore").compare("true") != 0 && xmlReader->attributes().value(ignoreOS).compare("true") != 0 )
++					if ( xmlReader->attributes().value("ignore").compare(s_true) != 0 && xmlReader->attributes().value(ignoreOS).compare(s_true) != 0 )
+ 						validChoices.append(xmlReader->attributes().value("name").toString());
+ 				} else
+ 					readNext = false;
+@@ -1257,9 +1264,9 @@
+ 					if ( sectionEntity.compare(elementType) == 0 ) {
+ 						bool ignore = false;
+ 						if ( xmlReader.attributes().hasAttribute("ignore") )
+-							ignore = xmlReader.attributes().value("ignore").compare("true") == 0;
++							ignore = xmlReader.attributes().value("ignore").compare(s_true) == 0;
+ 						if ( xmlReader.attributes().hasAttribute(ignoreOS) )
+-							ignore |= xmlReader.attributes().value(ignoreOS).compare("true") == 0;
++							ignore |= xmlReader.attributes().value(ignoreOS).compare(s_true) == 0;
+ 						if ( !ignore ) {
+ 							sectionTitle = readDescription(&xmlReader, lang, &readNext);
+ 							templateMap[sectionTitle].clear();
+@@ -1272,14 +1279,14 @@
+ 						bool wip = false;
+ 						int decimals = QMC2_EMUOPT_DFLT_DECIMALS;
+ 						if ( xmlReader.attributes().hasAttribute("ignore") )
+-							ignore = xmlReader.attributes().value("ignore").compare("true") == 0;
++							ignore = xmlReader.attributes().value("ignore").compare(s_true) == 0;
+ 						if ( xmlReader.attributes().hasAttribute(ignoreOS) )
+-							ignore |= xmlReader.attributes().value(ignoreOS).compare("true") == 0;
++							ignore |= xmlReader.attributes().value(ignoreOS).compare(s_true) == 0;
+ 						if ( xmlReader.attributes().hasAttribute("wip") )
+-							wip = xmlReader.attributes().value("wip").compare("true") == 0;
++							wip = xmlReader.attributes().value("wip").compare(s_true) == 0;
+ 						if ( !ignore ) {
+ 							if ( xmlReader.attributes().hasAttribute("visible") )
+-								visible = xmlReader.attributes().value("visible").compare("true") == 0;
++								visible = xmlReader.attributes().value("visible").compare(s_true) == 0;
+ 							if ( xmlReader.attributes().hasAttribute("decimals") )
+ 								decimals = xmlReader.attributes().value("decimals").toString().toInt();
+ 							QString type(xmlReader.attributes().value("type").toString());
+@@ -1290,17 +1297,17 @@
+ 								defaultValue = xmlReader.attributes().value("default").toString();
+ 							QString optionDescription(readDescription(&xmlReader, lang, &readNext));
+ 							optionChoices.clear();
+-							if ( type.compare("combo") == 0 && xmlReader.name().compare("choice") == 0 )
++							if ( type.compare(s_combo) == 0 && xmlReader.name().compare(s_choice) == 0 )
+ 								optionChoices = readChoices(&xmlReader);
+ 							optionPart.clear();
+ 							optionRelativeTo.clear();
+-							if ( type.compare("file") == 0 ) {
++							if ( type.compare(s_file) == 0 ) {
+ 								if ( xmlReader.attributes().hasAttribute("part") )
+ 									optionPart = xmlReader.attributes().value("part").toString();
+ 								if ( xmlReader.attributes().hasAttribute("relativeTo") )
+ 									optionRelativeTo = xmlReader.attributes().value("relativeTo").toString();
+ 								if ( !optionRelativeTo.isEmpty() ) {
+-									if ( optionRelativeTo.compare("emulatorWorkingDirectory") == 0 )
++									if ( optionRelativeTo.compare(s_emulatorWorkingDirectory) == 0 )
+ 										optionDescription.append(" (" + tr("relative to the emulator's working directory") + ")");
+ 									else
+ 										optionDescription.append(" (" + tr("relative to the path specified in '%1'").arg(optionRelativeTo) + ")");
+@@ -1507,7 +1514,7 @@
+ 						break;
+ 					case QMC2_EMUOPT_TYPE_BOOL: {
+ 						assumedType = "bool";
+-						QString emuOpt(emuOptions[option.name] == "0" ? "false" : (emuOptions[option.name] == "1" ? "true" : emuOptions[option.name]));
++						QString emuOpt(emuOptions[option.name] == "0" ? s_false : (emuOptions[option.name] == "1" ? s_true : emuOptions[option.name]));
+ 						if ( option.dvalue != emuOpt ) {
+ 							diffCount++;
+ 							if ( qmc2TemplateCheck ) {
diff --git a/srcpkgs/qmc2/template b/srcpkgs/qmc2/template
index 07d70cd9195..8714091ebe5 100644
--- a/srcpkgs/qmc2/template
+++ b/srcpkgs/qmc2/template
@@ -1,7 +1,7 @@
 # Template file for 'qmc2'
 pkgname=qmc2
-version=0.71
-revision=2
+version=0.183
+revision=1
 wrksrc=${pkgname}
 build_style=gnu-makefile
 make_build_args="PREFIX=/usr DATADIR=/usr/share MAN_DIR=/usr/share/man TARGET=qmc2-mame"
@@ -16,7 +16,7 @@ maintainer="Jürgen Buchmüller <pullmoll@t-online.de>"
 license="GPL-2"
 homepage="http://qmc2.arcadehits.net/wordpress/"
 distfiles="${SOURCEFORGE_SITE}/${pkgname}/${pkgname}/${version}/${pkgname}-${version}.tar.bz2"
-checksum=4233d8aaf679f9f752348990eb5ebe3ab801e28a17dc624ba9b6eb77d54a82f0
+checksum=ff3226172c9aaf2078eb8c1bef6208062d4d739c204f1b6d93f009cf6731d5fc
 
 if [ -n "$CROSS_BUILD" ]; then
 	hostmakedepends+=" qt5-host-tools qt5-multimedia-devel qt5-script-devel qt5-svg-devel"