flacon: unbreak build on platfoms without 64-bit atomics

srcpkgs/flacon/template

@@ -14,6 +14,14 @@ changelog="https://flacon.github.io/changelog/"
 distfiles="https://github.com/Flacon/flacon/archive/v${version}.tar.gz"
 checksum=3c073ad29cc91601b9ecd66058b644ed2b1c12f3c0a96cbaa9e0167baf7acf75
 
+post_extract() {
+	# no support for 64-bit atomics on these platforms in qt
+	if [ "$XBPS_TARGET_NO_ATOMIC8" ]; then
+		vsed -i 's/QAtomicInteger<quint64>/QAtomicInteger<quint32>/' \
+			converter/splitter.cpp
+	fi
+}
+
 if [ "$CROSS_BUILD" ]; then
 	hostmakedepends+=" qt5-host-tools qt5-qmake"
 fi