Index: head/databases/gdbm/Makefile
===================================================================
--- head/databases/gdbm/Makefile	(revision 545277)
+++ head/databases/gdbm/Makefile	(revision 545278)
@@ -1,38 +1,36 @@
 # Created by: Brent J. Nordquist <bjn@visi.com>
 # $FreeBSD$
 
 PORTNAME=	gdbm
 PORTVERSION=	1.18.1
 PORTREVISION=	1
 CATEGORIES=	databases
 MASTER_SITES=	GNU
 
 MAINTAINER=	danfe@FreeBSD.org
 COMMENT=	GNU database manager
 
 LICENSE=	GPLv3+
 
 GNU_CONFIGURE=	yes
 INSTALL_TARGET=	install-strip
 USE_LDCONFIG=	yes
 USES=		libtool:keepla readline
 
 MAKE_JOBS_UNSAFE=	yes
 
 INFO=		gdbm
 
 OPTIONS_DEFINE=	COMPAT NLS
 OPTIONS_SUB=	yes
 COMPAT_DESC=	Enable dbm/ndbm compatibility
 COMPAT_CONFIGURE_ENABLE=	libgdbm-compat
 NLS_CONFIGURE_ENABLE=	nls
 NLS_USES=	gettext
 
 post-patch:
-	@${REINPLACE_CMD} -e "s|LIBS = @LIBS@ -lc|LIBS = @LIBS@|" \
-		-e "s|BINOWN = bin|BINOWN = root|" \
-		-e "s|BINGRP = bin|BINGRP = wheel|" \
-		-e "s|libgdbm.la libgdbm_compat.la|& gdbm.info|" \
-			${WRKSRC}/Makefile.in
+# Fix the build with -fno-common (clang 11 and gcc 10)
+	@${REINPLACE_CMD} -e '/^char \*parseopt_program_[ad]/d' \
+		${WRKSRC}/src/parseopt.c
 
 .include <bsd.port.mk>