Index: head/math/geogram/Makefile
===================================================================
--- head/math/geogram/Makefile	(revision 549514)
+++ head/math/geogram/Makefile	(revision 549515)
@@ -1,27 +1,28 @@
 # $FreeBSD$
 
 PORTNAME=	geogram
 DISTVERSIONPREFIX=	v
 DISTVERSION=	1.7.5
 CATEGORIES=	math
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Programming library of geometric algorithms
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/doc/devkit/license.dox
 
 LIB_DEPENDS=	libglfw.so:graphics/glfw
 
 USES=		cmake gl localbase:ldflags xorg
 USE_GITHUB=	yes
 GH_ACCOUNT=	alicevision
 USE_XORG=	x11 xcursor xi xinerama xrandr xxf86vm
 USE_GL=		gl glu
 USE_LDCONFIG=	yes
 
 CMAKE_ON=	GEOGRAM_USE_SYSTEM_GLFW3 VORPALINE_BUILD_DYNAMIC
 CMAKE_ARGS=	-DVORPALINE_PLATFORM:STRING=FreeBSD
+CXXFLAGS+=	-fcommon # https://github.com/alicevision/geogram/issues/16
 LDFLAGS+=	-pthread
 
 .include <bsd.port.mk>