diff --git a/www/monolith/Makefile b/www/monolith/Makefile
index d69e37d76a41..232cd8c1ee37 100644
--- a/www/monolith/Makefile
+++ b/www/monolith/Makefile
@@ -1,19 +1,29 @@
 PORTNAME=	monolith
 DISTVERSIONPREFIX=	v
 DISTVERSION=	2.8.3
 CATEGORIES=	www
 
 MAINTAINER=	lcook@FreeBSD.org
 COMMENT=	CLI tool for saving complete web pages as a single HTML file
 WWW=		https://github.com/Y2Z/monolith
 
 LICENSE=	CC0-1.0
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
-USES=		cargo ssl
+BUILD_DEPENDS=	gmake:devel/gmake
+
+USES=		cargo perl5 ssl
 USE_GITHUB=	yes
 GH_ACCOUNT=	Y2Z
+USE_PERL5=	build
 
 PLIST_FILES=	bin/${PORTNAME}
 
+.include <bsd.port.options.mk>
+
+.if ${ARCH} == powerpc
+LIB_DEPENDS+=	libatomic.so:lang/gcc${GCC_DEFAULT}
+LDFLAGS+=	-L/usr/local/lib/gcc${GCC_DEFAULT} -latomic
+.endif
+
 .include <bsd.port.mk>