Index: head/graphics/dspdfviewer/Makefile
===================================================================
--- head/graphics/dspdfviewer/Makefile	(revision 537045)
+++ head/graphics/dspdfviewer/Makefile	(revision 537046)
@@ -1,53 +1,56 @@
 # $FreeBSD$
 
 PORTNAME=	dspdfviewer
 PORTVERSION=	1.15.1
 DISTVERSIONPREFIX=	v
 PORTREVISION=	29
 CATEGORIES=	graphics
 
 MAINTAINER=	fox@FreeBSD.org
 COMMENT=	Dual-screen PDF viewer for LaTeX-beamer
 
 LICENSE=	GPLv2
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 LIB_DEPENDS=	libboost_program_options.so:devel/boost-libs \
 		libpoppler-qt5.so:graphics/poppler-qt5
 
 USES=		cmake:insource pkgconfig qt:5
 USE_QT=		core gui linguisttools widgets xml buildtools_build qmake_build
 USE_LDCONFIG=	yes
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	dannyedel
 
 BUILD_WRKSRC=		${WRKSRC}/build
 CONFIGURE_WRKSRC=	${WRKSRC}/build
 INSTALL_WRKSRC=		${WRKSRC}/build
 
 CMAKE_ARGS=	-DBuildTests=OFF \
 		-DPOPPLER_LIBRARIES=${LOCALBASE}/lib/libpoppler-qt5.so
 
 PLIST_FILES=	bin/dspdfviewer \
 		man/man1/dspdfviewer.1.gz \
 		share/applications/dspdfviewer.desktop
 
 .include <bsd.port.pre.mk>
 
 # Build fails with LLVM 4.0.  Reported upstream as #191:
 # https://github.com/dannyedel/dspdfviewer/issues/191
 CFLAGS+=	-Wno-error=undefined-func-template
 
 .if ${OPSYS} == FreeBSD && ${OSVERSION} >= 1200039
 CFLAGS+=	-Wno-error=zero-as-null-pointer-constant
 .endif
 
 # Fixes build failure for Clang 8.0.0
 .if ${OPSYS} == FreeBSD && (${OSVERSION} >= 1300014 || (${OSVERSION} >= 1103000 && ${OSVERSION} < 1200000) || ${OSVERSION} >= 1201000)
 CFLAGS+=	-Wno-error=extra-semi-stmt
 .endif
 
+# Prepare for Qt5-5.15
+CFLAGS+=	-Wno-deprecated
+
 CFLAGS+=	-Wno-error=redundant-parens
 
 .include <bsd.port.post.mk>