Index: head/multimedia/webcamoid/Makefile
===================================================================
--- head/multimedia/webcamoid/Makefile
+++ head/multimedia/webcamoid/Makefile
@@ -2,6 +2,7 @@
 
 PORTNAME=	webcamoid
 DISTVERSION=	8.1.0
+PORTREVISION=	1
 CATEGORIES=	multimedia
 
 MAINTAINER=	yuri@FreeBSD.org
@@ -26,5 +27,11 @@
 MAKE_ENV=	NOOSS=1 # NOOSS is because the OSS module attempts to use kevent on OSS devices, which is broken in the base
 QMAKE_ARGS=	INSTALLQMLDIR=${QT_QMLDIR} \
 		MANDIR=${PREFIX}/man
+
+# Workaround for the crash when built with clang that the upstream author says is a bug in clang
+USE_GCC=	6.0+
+
+# Workaround for Bug#224137: devel/qt5-qmake: Doesn't use the right compiler in case USE_GCC is selected
+BINARY_ALIAS=	g++=${CXX}
 
 .include <bsd.port.mk>
Index: head/multimedia/webcamoid/files/patch-libAvKys_Plugins_MultiSrc_src_multisrcelement.cpp
===================================================================
--- head/multimedia/webcamoid/files/patch-libAvKys_Plugins_MultiSrc_src_multisrcelement.cpp
+++ head/multimedia/webcamoid/files/patch-libAvKys_Plugins_MultiSrc_src_multisrcelement.cpp
@@ -1,21 +0,0 @@
---- libAvKys/Plugins/MultiSrc/src/multisrcelement.cpp.orig	2017-10-09 06:45:30 UTC
-+++ libAvKys/Plugins/MultiSrc/src/multisrcelement.cpp
-@@ -201,9 +201,15 @@ void MultiSrcElement::codecLibUpdated(co
-     auto state = this->state();
-     this->setState(AkElement::ElementStateNull);
- 
--    auto media = this->m_mediaSource->media();
--    auto loop = this->m_mediaSource->loop();
--    auto showLog = this->m_mediaSource->showLog();
-+    // crashes with these lines: https://github.com/webcamoid/webcamoid/issues/100
-+    // auto media = this->m_mediaSource->media();
-+    // auto loop = this->m_mediaSource->loop();
-+    // auto showLog = this->m_mediaSource->showLog();
-+
-+    // workaround for the crash
-+    QString media;
-+    bool loop = true;
-+    bool showLog = true;
- 
-     this->m_mutexLib.lock();
-