diff --git a/devel/libsigrok/Makefile b/devel/libsigrok/Makefile
index 338cf8cdc89e..7f422ac63552 100644
--- a/devel/libsigrok/Makefile
+++ b/devel/libsigrok/Makefile
@@ -1,43 +1,45 @@
 PORTNAME=	libsigrok
 PORTVERSION=	0.5.2
 PORTREVISION=	4
 CATEGORIES=	devel
 MASTER_SITES=	http://sigrok.org/download/source/libsigrok/
 
 MAINTAINER=	bofh@FreeBSD.org
 COMMENT=	Framework for hardware logic analyzers, core library
 WWW=		https://sigrok.org/
 
 LICENSE=	GPLv3+
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 BUILD_DEPENDS=	doxygen:devel/doxygen
 LIB_DEPENDS=	libcheck.so:devel/check \
 		libftdi1.so:devel/libftdi1 \
 		libhidapi.so:comms/hidapi \
 		libserialport.so:devel/libserialport \
 		libvisa.so:devel/librevisa \
 		libzip.so:archivers/libzip
 
 USES=		compiler:c11 gnome libtool pathfix pkgconfig python:-3.9,build \
 		shared-mime-info
 USE_GNOME=	glibmm
 USE_LDCONFIG=	yes
 
 GNU_CONFIGURE=	yes
 
 MAKE_JOBS_UNSAFE=	yes
 
 INSTALL_TARGET=	install-strip
 
+.include <bsd.port.options.mk>
+
 .if ${OPSYS} == FreeBSD && ${OSVERSION} >= 1400097
 CFLAGS+=	-D__BSD_VISIBLE -D__XSI_VISIBLE
 .endif
 
 post-patch:
 # libusb can be disabled via src.conf(5), so detect via pkg-config
 	@${REINPLACE_CMD} -e 's/\(libusb-1\.0\) >= 1\.0\.[0-9]*/\1/' \
 		-e '/\*freebsd\*/,/;;/d' \
 		${WRKSRC}/configure
 
 .include <bsd.port.mk>