Index: head/audio/zrythm/Makefile
===================================================================
--- head/audio/zrythm/Makefile	(revision 519791)
+++ head/audio/zrythm/Makefile	(revision 519792)
@@ -1,47 +1,47 @@
 # $FreeBSD$
 
 PORTNAME=	zrythm
 DISTVERSIONPREFIX=	v
 DISTVERSION=	0.5.097
 PORTREVISION=	1
 CATEGORIES=	audio
 MASTER_SITES=	https://gitlab.com/${PORTNAME}/${PORTNAME}/-/archive/${DISTVERSIONFULL}/
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Modern music production system, also known as DAW
 
 LICENSE=	GPLv3
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 BUILD_DEPENDS=	kf5-breeze-icons>0:x11-themes/kf5-breeze-icons
 LIB_DEPENDS=	libavcodec.so:multimedia/ffmpeg \
 		libgtop-2.0.so:devel/libgtop \
 		libjack.so:audio/jack \
 		liblilv-0.so:audio/lilv \
 		libportaudio.so:audio/portaudio \
 		libsamplerate.so:audio/libsamplerate \
 		libserd-0.so:devel/serd \
 		libsmf.so:audio/libsmf \
 		libsndfile.so:audio/libsndfile \
 		libsord-0.so:devel/sord \
 		libasound.so:audio/alsa-lib \
 		libsratom-0.so:audio/sratom \
 		libsuil-0.so:audio/suil \
 		libyaml.so:textproc/libyaml
 RUN_DEPENDS=	gsettings-desktop-schemas>=0:devel/gsettings-desktop-schemas \
 		kf5-breeze-icons>0:x11-themes/kf5-breeze-icons
 
-USES=		gettext-tools meson python:3.5+,build gettext-runtime gnome \
-		libtool pkgconfig shebangfix xorg
+USES=		compiler:c11 gettext-tools gettext-runtime gnome libtool \
+		meson pkgconfig python:3.5+,build shebangfix xorg
 #USE_GITLAB=	yes # broken: doesn't require GL_COMMIT any more, see bug#242329
 #GL_SITE=	https://git.zrythm.org
 SHEBANG_FILES=	resources/gen-gtk-gresources-xml.py scripts/collect_translatables.sh scripts/meson_post_install.py
 USE_GNOME=	atk cairo gdkpixbuf2 glib20 gtk30 libxml2 pango
 USE_XORG=	x11
 GLIB_SCHEMAS=	org.zrythm.gschema.xml
 INSTALLS_ICONS=	yes
 
 post-patch: # https://git.zrythm.org/zrythm/zrythm/issues/299
 	@${REINPLACE_CMD} 's|<malloc.h>|<stdlib.h>|' ${WRKSRC}/ext/midilib/src/*.c
 
 .include <bsd.port.mk>