Index: head/deskutils/gworkspace/Makefile
===================================================================
--- head/deskutils/gworkspace/Makefile	(revision 561451)
+++ head/deskutils/gworkspace/Makefile	(revision 561452)
@@ -1,32 +1,37 @@
 # $FreeBSD$
 
 PORTNAME=	gworkspace
 PORTVERSION=	0.9.4
 PORTREVISION=	3
 CATEGORIES=	deskutils gnustep
 #MASTER_SITES=	http://www.gnustep.it/enrico/gworkspace/
 MASTER_SITES=	GNUSTEP/usr-apps
 
 MAINTAINER=	ports@FreeBSD.org
 COMMENT=	GNUstep workspace manager
 
 LICENSE=	GPLv2
 
 USES=		gnustep
 USE_GNUSTEP=	back build
 USE_LDCONFIG=	${GNUSTEP_SYSTEM_LIBRARIES}
 
 GNU_CONFIGURE=	yes
 ADDITIONAL_LDFLAGS+=	-L${WRKSRC}/FSNode/FSNode.framework/Versions/A
 
 .if defined(WITHOUT_GHOSTSCRIPT)
 PLIST_SUB+=	PDFVIEW="@comment "
 .else
 PLIST_SUB+=	PDFVIEW=""
 USES+=		ghostscript
 .endif
 
+post-patch:
+# Fix the build with -fno-common (for Clang 11 and GCC 10)
+	@${REINPLACE_CMD} -e '/serverConnection/s,^,extern ,' \
+		${WRKSRC}/Inspector/ContentViewers/ImageViewer/Resizer.h
+
 pre-configure:
 	${RM} -r ${WRKSRC}/GWMetadata
 
 .include <bsd.port.mk>