Index: head/sysutils/powerdxx/Makefile
===================================================================
--- head/sysutils/powerdxx/Makefile	(revision 493484)
+++ head/sysutils/powerdxx/Makefile	(revision 493485)
@@ -1,26 +1,28 @@
 # $FreeBSD$
 
 PORTNAME=	powerdxx
 DISTVERSION=	0.4.0
 CATEGORIES=	sysutils
 
 MAINTAINER=	rigoletto@FreeBSD.org
 COMMENT=	CPU clock speed/frequency daemon
 
 LICENSE=	ISCL
 
 USES=		compiler:c++14-lang
 USE_GITHUB=	yes
 GH_ACCOUNT=	lonkamikaze
 GH_TUPLE=	lonkamikaze:powerdxx:43c0db7:powerdxx/gh-pages
 
 USE_LDCONFIG=	yes
 MAKE_ARGS=	DOCSDIR="${DOCSDIR}"
 
 OPTIONS_DEFINE=	DOCS
 
+CXXFLAGS+=	-Wno-error=sign-compare
+
 post-install-DOCS-on:
 	${MKDIR} ${STAGEDIR}${DOCSDIR}
 	${INSTALL_MAN} ${WRKSRC}/gh-pages/refman.pdf ${STAGEDIR}${DOCSDIR}
 
 .include <bsd.port.mk>