Index: audio/virtual_oss_ctl/Makefile
===================================================================
--- audio/virtual_oss_ctl/Makefile
+++ audio/virtual_oss_ctl/Makefile
@@ -1,7 +1,7 @@
 PORTNAME=	virtual_oss_ctl
 DISTVERSIONPREFIX=	v
 DISTVERSION=	1.3.0
-PORTREVISION=	1
+PORTREVISION=	2
 CATEGORIES=	audio
 
 MAINTAINER=	ports@FreeBSD.org
@@ -10,7 +10,6 @@
 
 LICENSE=	BSD2CLAUSE
 
-RUN_DEPENDS=	virtual_oss>=1.2.6:audio/virtual_oss
 LIB_DEPENDS=	libfftw3.so:math/fftw3
 
 USES=		compiler:c++11-lang gl qmake qt:5
@@ -20,11 +19,23 @@
 USE_GITHUB=	yes
 GH_ACCOUNT=	hselasky
 
-GH_TUPLE=	hselasky:virtual_oss:v1.3.0:d/virtual_oss
-
 PLIST_FILES= \
 	bin/virtual_oss_ctl \
 	share/pixmaps/virtual_oss_ctl.png \
 	share/applications/virtual_oss_ctl.desktop
 
-.include <bsd.port.mk>
+.include <bsd.port.pre.mk>
+
+# If we are building on >= 15.0, use the base system virtual_oss.
+.if ${OSVERSION} >= 1500000
+.if !exists(${SRC_BASE})
+IGNORE=		requires FreeBSD source files in ${SRC_BASE}
+.else
+CXXFLAGS+=	-I${SRC_BASE}/usr.sbin/virtual_oss
+.endif
+.else
+RUN_DEPENDS=	virtual_oss>=1.2.6:audio/virtual_oss
+GH_TUPLE=	freebsd:virtual_oss:v1.3.2:d/virtual_oss
+.endif
+
+.include <bsd.port.post.mk>
Index: audio/virtual_oss_ctl/distinfo
===================================================================
--- audio/virtual_oss_ctl/distinfo
+++ audio/virtual_oss_ctl/distinfo
@@ -1,5 +1,5 @@
-TIMESTAMP = 1669557393
+TIMESTAMP = 1758121247
 SHA256 (hselasky-virtual_oss_ctl-v1.3.0_GH0.tar.gz) = f5829b9f3af4be045fa65ddf40985bf501ef6a5e2a113cbdd53704d4b14c0704
 SIZE (hselasky-virtual_oss_ctl-v1.3.0_GH0.tar.gz) = 83100
-SHA256 (hselasky-virtual_oss-v1.3.0_GH0.tar.gz) = 6faf812059c2831c10c7bfbf145147133acc58f022f31e561e3c70b4c27e626a
-SIZE (hselasky-virtual_oss-v1.3.0_GH0.tar.gz) = 72081
+SHA256 (freebsd-virtual_oss-v1.3.2_GH0.tar.gz) = eeb50760b963345d7b5684c3ee4f5d44070cb9572fc8c82d1d63e5844e24dfe7
+SIZE (freebsd-virtual_oss-v1.3.2_GH0.tar.gz) = 71906