Index: head/en_US.ISO8859-1/htdocs/releases/12.0R/Makefile
===================================================================
--- head/en_US.ISO8859-1/htdocs/releases/12.0R/Makefile	(revision 51054)
+++ head/en_US.ISO8859-1/htdocs/releases/12.0R/Makefile	(revision 51055)
@@ -1,56 +1,116 @@
 # $FreeBSD$
 
 .if exists(../Makefile.conf)
 .include "../Makefile.conf"
 .endif
 .if exists(../Makefile.inc)
 .include "../Makefile.inc"
 .endif
 
+RELN_ROOT?=	${.CURDIR}
+
 _OS?=		FreeBSD
 _REVISION?=	12.0
 _BRANCH?=	RELEASE
 THISRELEASE?=	${_OS}-${_REVISION}-${_BRANCH}
 
 DOCS=	index.xml \
 	schedule.xml
 
 DATA=	docbook.css
 
 # PGP-signed checksums
 
 _BIGIRON?=	amd64 \
 		i386 \
 		powerpc \
 		powerpc-powerpc64 \
 		sparc64 \
 		arm64-aarch64
 
 _VMS?=		amd64 \
 		i386 \
 		arm64-aarch64
 
 _ARM?=		BANANAPI \
 		BEAGLEBONE \
 		CUBIEBOARD \
 		CUBIEBOARD2 \
 		CUBOX-HUMMINGBOARD \
 		GUMSTIX \
 		PANDABOARD \
 		RPI-B \
 		RPI2 \
 		WANDBOARD
 
 .for CHECKSUM in SHA512 SHA256
 . for _B in ${_BIGIRON}
 #DATA+=		CHECKSUM.${CHECKSUM}-${THISRELEASE}-${_B}.asc
 . endfor
 . for _V in ${_VMS}
 #DATA+=		CHECKSUM.${CHECKSUM}-${THISRELEASE}-${_V}-vm.asc
 . endfor
 . for _A in ${_ARM}
 #DATA+=		CHECKSUM.${CHECKSUM}-${THISRELEASE}-arm-armv6-${_A}.asc
 . endfor
+.endfor
+
+_hardware?=	hardware
+.if !defined(MAN4DIR) || empty(MAN4DIR)
+. if exists(${DOC_PREFIX}/../src/share/man/man4)
+MAN4DIR=	${DOC_PREFIX}/../src/share/man/man4
+. elif exists(${DOC_PREFIX}/../share/man/man4)
+MAN4DIR=	${DOC_PREFIX}/../share/man/man4
+. elif exists(${DOC_PREFIX}/../man/man4)
+MAN4DIR=	${DOC_PREFIX}/../man/man4
+. elif exists(${DOC_PREFIX}/../man4)
+MAN4DIR=	${DOC_PREFIX}/../man4
+. else
+.  warning "MAN4DIR not found.  Unable to build hardware.html"
+_hardware=	# empty
+. endif
+.endif
+
+D=		errata
+D+=		${_hardware}
+D+=		readme
+D+=		relnotes
+
+MAN4PAGES?=	${MAN4DIR}/*.4 ${MAN4DIR}/man4.*/*.4
+ARCHLIST?=	${.CURDIR}/../../share/misc/dev.archlist.txt
+CLEANFILES+=	dev-auto.ent
+
+MAN2HWNOTES_CMD=${.CURDIR}/../../share/misc/man2hwnotes.pl
+.if defined(HWNOTES_MI)
+MAN2HWNOTES_FLAGS=
+.else
+MAN2HWNOTES_FLAGS=	-c
+.endif
+
+dev-auto.ent:
+	${PERL} ${MAN2HWNOTES_CMD} ${MAN2HWNOTES_FLAGS} -a ${ARCHLIST} -o ${.TARGET} ${MAN4PAGES}
+
+.ORDER:		all dev-auto.ent
+.ORDER:		all ${DOC}.html
+
+beforebuild:	dev-auto.ent
+
+beforeclean:
+.for _SD in ${D}
+	${MAKE} -C ${_SD} DOCINSTALLDIR=${DOCINSTALLDIR} clean
+.endfor
+
+beforeinstall:
+.for _SD in ${D}
+. if (${_SD:Mhardware} != "")
+	${MAKE} -B -C ${.CURDIR} dev-auto.ent
+. endif
+	${MAKE} -C ${_SD} DOCINSTALLDIR=${DOCINSTALLDIR} all
+.endfor
+
+afterinstall:
+.for _SD in ${D}
+	${MAKE} -C ${_SD} DOCINSTALLDIR=${DOCINSTALLDIR} install
 .endfor
 
 .include "${DOC_PREFIX}/share/mk/web.site.mk"