Index: devel/qt5-core/Makefile
===================================================================
--- devel/qt5-core/Makefile
+++ devel/qt5-core/Makefile
@@ -2,6 +2,7 @@
 
 PORTNAME=	core
 DISTVERSION=	${QT5_VERSION}
+PORTREVISION=	1
 CATEGORIES=	devel
 PKGNAMEPREFIX=	qt5-
 
@@ -10,6 +11,7 @@
 
 LIB_DEPENDS=	libicui18n.so:devel/icu \
 		libpcre2-posix.so:devel/pcre2
+RUN_DEPENDS=	etc_os-release>0:sysutils/etc_os-release
 
 USES=		compiler:c++11-lang gnome qmake:no_env qt-dist:5,base
 USE_GNOME=	glib20
@@ -50,6 +52,8 @@
 		${SETENV} ${MAKE_ENV} ${MAKE} ${MAKE_FLAGS} ${MAKEFILE} \
 		${_MAKE_JOBS} ${MAKE_ARGS} ${ALL_TARGET}
 .endfor
+	${REINPLACE_CMD}  -e '/readEtcFile/s|/etc/os-release|${LOCALBASE}/etc/os-release|g' \
+		${WRKSRC}/src/corelib/global/qglobal.cpp
 
 post-install:
 # Allow qconfig.h to be customized by single ports.
Index: sysutils/Makefile
===================================================================
--- sysutils/Makefile
+++ sysutils/Makefile
@@ -301,6 +301,7 @@
     SUBDIR += env4801
     SUBDIR += envconsul
     SUBDIR += epazote
+    SUBDIR += etc_os-release
     SUBDIR += etcmerge
     SUBDIR += etcupdate
     SUBDIR += eventlog
Index: sysutils/etc_os-release/Makefile
===================================================================
--- /dev/null
+++ sysutils/etc_os-release/Makefile
@@ -0,0 +1,30 @@
+# $FreeBSD$
+
+PORTNAME=	etc_os-release
+PORTVERSION=	0.1
+CATEGORIES=	sysutils kde gnome
+
+MAINTAINER=	tcberner@FreeBSD.org
+COMMENT=	Operating system identification file
+
+MASTER_SITES=	#
+DISTFILES=	#
+EXTRACT_ONLY=	#
+NO_BUILD=	yes
+
+VERSION!=	freebsd-version -u
+VERSION_ID=	${VERSION:C/^([0-9\.]+).*/\1/}
+
+SUB_FILES=	os-release
+SUB_LIST=	NAME="FreeBSD" \
+		VERSION="${VERSION}" \
+		ID="freebsd" \
+		VERSION_ID="${VERSION_ID}" \
+		PRETTY_NAME="FreeBSD ${VERSION}"
+
+PLIST_FILES=	etc/os-release
+
+do-install: apply-slist
+	${MKDIR} ${STAGEDIR}${PREFIX}/etc && ${INSTALL_DATA} ${WRKDIR}/os-release ${STAGEDIR}${PREFIX}/etc
+
+.include <bsd.port.mk>
Index: sysutils/etc_os-release/files/os-release.in
===================================================================
--- /dev/null
+++ sysutils/etc_os-release/files/os-release.in
@@ -0,0 +1,9 @@
+NAME=%%NAME%%
+VERSION="%%VERSION%%"
+ID="%%ID%%"
+VERSION_ID=%%VERSION_ID%%
+PRETTY_NAME="%%PRETTY_NAME%%"
+ANSI_COLOR="0;31"
+CPE_NAME="cpe:/o:freebsd:freebsd:%%VERSION_ID%%"
+HOME_URL="https://freebsd.org/"
+BUG_REPORT_URL="https://bugs.freebsd.org"
Index: sysutils/etc_os-release/pkg-descr
===================================================================
--- /dev/null
+++ sysutils/etc_os-release/pkg-descr
@@ -0,0 +1,6 @@
+os-release — Operating system identification
+
+/usr/local/etc/os-release contains information on the version of
+the installed operating system.
+
+WWW: https://www.freedesktop.org/software/systemd/man/os-release.html