diff --git a/games/flightgear/Makefile b/games/flightgear/Makefile
index bafb9d97211b..e14d1c011467 100644
--- a/games/flightgear/Makefile
+++ b/games/flightgear/Makefile
@@ -1,60 +1,66 @@
 PORTNAME=	flightgear
 PORTVERSION=	2020.3.17
 CATEGORIES=	games
 MASTER_SITES=	SF/flightgear/release-${PORTVERSION:R}
 
 MAINTAINER=	martymac@FreeBSD.org
 COMMENT=	FlightGear flight simulator
 WWW=		https://www.flightgear.org/
 
 LICENSE=	GPLv2+
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 LIB_DEPENDS=	libpng.so:graphics/png \
 		libboost_thread.so:devel/boost-libs \
 		libfltk.so:x11-toolkits/fltk \
 		libfreetype.so:print/freetype2 \
 		libosg.so:graphics/osg \
 		libspeex.so:audio/speex \
 		libspeexdsp.so:audio/speexdsp \
 		libcurl.so:ftp/curl \
 		libudev.so:devel/libudev-devd \
 		libexpat.so:textproc/expat2 \
 		libSimGearCore.so:devel/simgear
 BUILD_DEPENDS=	${LOCALBASE}/lib/libplibsl.a:x11-toolkits/plib \
 		${LOCALBASE}/include/linux/input.h:devel/evdev-proto \
 		${LOCALBASE}/share/flightgear/version:games/flightgear-data
 RUN_DEPENDS=	${LOCALBASE}/lib/libplibsl.a:x11-toolkits/plib \
 		${LOCALBASE}/share/flightgear/version:games/flightgear-data
 
 # Disable ninja, see https://sourceforge.net/p/flightgear/codetickets/2118/
 USES=		alias cmake:noninja compiler:c++11-lang cpe dos2unix gl jpeg \
 		openal:al,alut sqlite tar:bzip2 xorg
 USE_XORG=	ice sm x11 xext xft xi xinerama xmu xt
 USE_GL=		gl glew glu glut
 
 DOS2UNIX_REGEX=	.*\.(c|h|cxx|cpp|hxx|hpp)
 CMAKE_ARGS+=	-DSYSTEM_SQLITE:BOOL=ON \
 		-DENABLE_HID_INPUT:BOOL=OFF \
 		-DFG_DATA_DIR:PATH=${LOCALBASE}/share/${PORTNAME} \
 		-DCMAKE_INSTALL_MANDIR:PATH=${MANPREFIX}/man \
 		-DFGCOM_DATA_PATH:PATH=${DATADIR}
 LDFLAGS+=	-L${LOCALBASE}/lib
 LDFLAGS_i386=	-Wl,-znotext
 
 OPTIONS_DEFINE=	DBUS QT5
 OPTIONS_DEFAULT=	DBUS QT5
 DBUS_LIB_DEPENDS=	libdbus-1.so:devel/dbus
 DBUS_USES=	pkgconfig
 DBUS_CMAKE_ON=	-DUSE_DBUS:BOOL=ON
 DBUS_CMAKE_OFF=	-DUSE_DBUS:BOOL=OFF
 QT5_CMAKE_ON=	-DENABLE_QT:BOOL=ON
 QT5_CMAKE_OFF=	-DENABLE_QT:BOOL=OFF
 QT5_USES=	qt:5
 QT5_USE=	QT=core,buildtools,linguisttools,gui,declarative,network,qmake,widgets,svg
 
 post-patch:
 # Avoid conflict with C++20 <version> - used version file is flightgear-version
 	@${RM} ${WRKSRC}/version
 
-.include <bsd.port.mk>
+.include <bsd.port.pre.mk>
+
+.if ${COMPILER_TYPE} == "clang" && ${COMPILER_VERSION} >= 150
+LDFLAGS_i386+=	-Wl,--no-check-dynamic-relocations
+.endif
+
+.include <bsd.port.post.mk>