 @@ -1,1134 +1,1135 @@
-#	$NetBSD: bsd.own.mk,v 1.909 2016/03/24 04:28:49 christos Exp $
+#	$NetBSD: bsd.own.mk,v 1.910 2016/03/24 09:15:38 martin Exp $
 # This needs to be before bsd.init.mk
 .if defined(BSD_MK_COMPAT_FILE)
 .include <${BSD_MK_COMPAT_FILE}>
 .endif
 .if !defined(_BSD_OWN_MK_)
 _BSD_OWN_MK_=1
 MAKECONF?=	/etc/mk.conf
 .-include "${MAKECONF}"
+#
 # CPU model, derived from MACHINE_ARCH
+#
 MACHINE_CPU=	${MACHINE_ARCH:C/mipse[bl]/mips/:C/mips64e[bl]/mips/:C/sh3e[bl]/sh3/:S/coldfire/m68k/:S/m68000/m68k/:C/arm.*/arm/:C/earm.*/arm/:S/earm/arm/:S/powerpc64/powerpc/:S/aarch64eb/aarch64/:S/or1knd/or1k/:C/riscv../riscv/}
+#
 # Subdirectory used below ${RELEASEDIR} when building a release
+#
 RELEASEMACHINEDIR?=	${MACHINE}
+#
 # Subdirectory or path component used for the following paths:
 #   distrib/${RELEASEMACHINE}
 #   distrib/notes/${RELEASEMACHINE}
 #   etc/etc.${RELEASEMACHINE}
 # Used when building a release.
+#
 RELEASEMACHINE?=	${MACHINE}
+#
 # NEED_OWN_INSTALL_TARGET is set to "no" by pkgsrc/mk/bsd.pkg.mk to
 # ensure that things defined by <bsd.own.mk> (default targets,
 # INSTALL_FILE, etc.) are not conflicting with bsd.pkg.mk.
+#
 NEED_OWN_INSTALL_TARGET?=	yes
+#
 # This lists the platforms which do not have working in-tree toolchains.  For
 # the in-tree gcc toolchain, this list is empty.
+#
 # If some future port is not supported by the in-tree toolchain, this should
 # be set to "yes" for that port only.
+#
 .if ${MACHINE} == "playstation2"
 TOOLCHAIN_MISSING?=	yes
 .endif
 TOOLCHAIN_MISSING?=	no
 .if ${MACHINE_CPU} == "aarch64" && !defined(EXTERNAL_TOOLCHAIN) && ${MKLLVM:Uyes} != "no"
 MKLLVM?=	yes
 HAVE_LLVM?=	yes
 MKGCC?=		no
 .endif
+#
 # GCC Using platforms.
+#
 .if ${MKGCC:Uyes} != "no"
 .if ${MACHINE} == "playstation2" || ${MACHINE_CPU} == "aarch64"
 HAVE_GCC?=	0
 .elif ${MACHINE_ARCH} == "vax"
 HAVE_GCC?=	53
 .else
 # Otherwise, default to GCC4.8
 HAVE_GCC?=	48
 .endif
+#
 # Platforms that can't run a modern GCC natively
 .if ${MACHINE_ARCH} == "m68000"
 MKGCCCMDS?=	no
 .endif
+#
 # We import the old gcc as "gcc.old" when upgrading.  EXTERNAL_GCC_SUBDIR is
 # set to the relevant subdirectory in src/external/gpl3 for his HAVE_GCC.
+#
 .if ${HAVE_GCC} == 53
 EXTERNAL_GCC_SUBDIR=	gcc
 .elif ${HAVE_GCC} == 48
 EXTERNAL_GCC_SUBDIR=	gcc.old
 .else
 EXTERNAL_GCC_SUBDIR=	/does/not/exist
 .endif
 .else
 MKGCCCMDS?=	no
 .endif
 .if !empty(MACHINE_ARCH:Mearm*)
 _LIBC_COMPILER_RT.${MACHINE_ARCH}=	yes
 .endif
 _LIBC_COMPILER_RT.aarch64=	yes
 _LIBC_COMPILER_RT.i386=		yes
 _LIBC_COMPILER_RT.powerpc=	yes
 _LIBC_COMPILER_RT.powerpc64=	yes
 _LIBC_COMPILER_RT.sparc=	yes
 _LIBC_COMPILER_RT.sparc64=	yes
 _LIBC_COMPILER_RT.x86_64=	yes
 .if ${HAVE_LLVM:Uno} == "yes" && ${_LIBC_COMPILER_RT.${MACHINE_ARCH}:Uno} == "yes"
 HAVE_LIBGCC?=	no
 .else
 HAVE_LIBGCC?=	yes
 .endif
 # ia64 is not support
 .if ${HAVE_LLVM:Uno} == "yes" || !empty(MACHINE_ARCH:Mearm*)
 HAVE_LIBGCC_EH?=	no
 .else
 HAVE_LIBGCC_EH?=	yes
 .endif
 .if (${MACHINE_ARCH} == "alpha") || \
     (${MACHINE_ARCH} == "hppa") || \
     (${MACHINE_ARCH} == "ia64") || \
     (${MACHINE_CPU} == "mips")
 HAVE_SSP?=	no
 .else
 HAVE_SSP?=	yes
 .if !defined(NOFORT) && ${USE_FORT:Uno} != "no"
 USE_SSP?=	yes
 .endif
 .endif
 .if ${MACHINE} == "amd64" || \
     ${MACHINE} == "i386" || \
     ${MACHINE_CPU} == "sh3" || \
-    ${MACHINE_ARCH} == "vax"
+    ${MACHINE_ARCH} == "vax" || \
     ${MACHINE_ARCH} == "mips64eb" || ${MACHINE_ARCH} == "mips64el"
 HAVE_GDB?=	710
 .else
 HAVE_GDB?=	79
 .endif
 .if ${HAVE_GDB} == 79
 EXTERNAL_GDB_SUBDIR=		gdb.old
 .else
 EXTERNAL_GDB_SUBDIR=		gdb
 .endif
 .if ${MACHINE} == "amd64" || \
     ${MACHINE} == "evbarm" || \
     ${MACHINE} == "i386" || \
     ${MACHINE} == "hppa" || \
     ${MACHINE_CPU} == "sh3" || \
     ${MACHINE} == "sparc" || \
     ${MACHINE} == "sparc64" || \
     ${MACHINE_ARCH} == "powerpc" || \
     ${MACHINE_ARCH} == "vax"
 HAVE_BINUTILS?=	226
 .else
 HAVE_BINUTILS?=	223
 .endif
 .if ${HAVE_BINUTILS} == 223
 EXTERNAL_BINUTILS_SUBDIR=	binutils.old
 .elif ${HAVE_BINUTILS} == 226
 EXTERNAL_BINUTILS_SUBDIR=	binutils
 .else
 EXTERNAL_BINUTILS_SUBDIR=	/does/not/exist
 .endif
 .if empty(.MAKEFLAGS:tW:M*-V .OBJDIR*)
 .if defined(MAKEOBJDIRPREFIX) || defined(MAKEOBJDIR)
 PRINTOBJDIR=	${MAKE} -r -V .OBJDIR -f /dev/null xxx
 .else
 PRINTOBJDIR=	${MAKE} -V .OBJDIR
 .endif
 .else
 PRINTOBJDIR=	echo /error/bsd.own.mk/PRINTOBJDIR # avoid infinite recursion
 .endif
+#
 # Determine if running in the NetBSD source tree by checking for the
 # existence of build.sh and tools/ in the current or a parent directory,
 # and setting _SRC_TOP_ to the result.
+#
 .if !defined(_SRC_TOP_)			# {
 _SRC_TOP_!= cd "${.CURDIR}"; while :; do \
 		here=`pwd`; \
 		[ -f build.sh  ] && [ -d tools ] && { echo $$here; break; }; \
 		case $$here in /) echo ""; break;; esac; \
 		cd ..; done
 .MAKEOVERRIDES+=	_SRC_TOP_
 .endif					# }
+#
 # If _SRC_TOP_ != "", we're within the NetBSD source tree.
 # * Set defaults for NETBSDSRCDIR and _SRC_TOP_OBJ_.
 # * Define _NETBSD_VERSION_DEPENDS.  Targets that depend on the
 #   NetBSD version, or on variables defined at build time, can
 #   declare a dependency on ${_NETBSD_VERSION_DEPENDS}.
+#
 .if (${_SRC_TOP_} != "")		# {
 NETBSDSRCDIR?=	${_SRC_TOP_}
 .if !defined(_SRC_TOP_OBJ_)
 _SRC_TOP_OBJ_!=		cd "${_SRC_TOP_}" && ${PRINTOBJDIR}
 .MAKEOVERRIDES+=	_SRC_TOP_OBJ_
 .endif
 _NETBSD_VERSION_DEPENDS=	${_SRC_TOP_OBJ_}/params
 _NETBSD_VERSION_DEPENDS+=	${NETBSDSRCDIR}/sys/sys/param.h
 _NETBSD_VERSION_DEPENDS+=	${NETBSDSRCDIR}/sys/conf/newvers.sh
 _NETBSD_VERSION_DEPENDS+=	${NETBSDSRCDIR}/sys/conf/osrelease.sh
 ${_SRC_TOP_OBJ_}/params: .NOTMAIN .OPTIONAL # created by top level "make build"
 .endif	# _SRC_TOP_ != ""		# }
 .if (${_SRC_TOP_} != "") && \
     (${TOOLCHAIN_MISSING} == "no" || defined(EXTERNAL_TOOLCHAIN))
 USETOOLS?=	yes
 .endif
 USETOOLS?=	no
 .if ${MACHINE_ARCH} == "mips" || ${MACHINE_ARCH} == "mips64" || \
     ${MACHINE_ARCH} == "sh3"
 .BEGIN:
 	@echo "Must set MACHINE_ARCH to one of ${MACHINE_ARCH}eb or ${MACHINE_ARCH}el"
 	@false
 .elif defined(REQUIRETOOLS) && \
       (${TOOLCHAIN_MISSING} == "no" || defined(EXTERNAL_TOOLCHAIN)) && \
       ${USETOOLS} == "no"
 .BEGIN:
 	@echo "USETOOLS=no, but this component requires a version-specific host toolchain"
 	@false
 .endif
+#
 # Host platform information; may be overridden
+#
 .include <bsd.host.mk>
 .if ${USETOOLS} == "yes"						# {
+#
 # Provide a default for TOOLDIR.
+#
 .if !defined(TOOLDIR)
 TOOLDIR:=	${_SRC_TOP_OBJ_}/tooldir.${HOST_OSTYPE}
 .MAKEOVERRIDES+= TOOLDIR
 .endif
+#
 # This is the prefix used for the NetBSD-sourced tools.
+#
 _TOOL_PREFIX?=	nb
+#
 # If an external toolchain base is specified, use it.
+#
 .if defined(EXTERNAL_TOOLCHAIN)						# {
 AR=		${EXTERNAL_TOOLCHAIN}/bin/${MACHINE_GNU_PLATFORM}-ar
 AS=		${EXTERNAL_TOOLCHAIN}/bin/${MACHINE_GNU_PLATFORM}-as
 LD=		${EXTERNAL_TOOLCHAIN}/bin/${MACHINE_GNU_PLATFORM}-ld
 NM=		${EXTERNAL_TOOLCHAIN}/bin/${MACHINE_GNU_PLATFORM}-nm
 OBJCOPY=	${EXTERNAL_TOOLCHAIN}/bin/${MACHINE_GNU_PLATFORM}-objcopy
 OBJDUMP=	${EXTERNAL_TOOLCHAIN}/bin/${MACHINE_GNU_PLATFORM}-objdump
 RANLIB=		${EXTERNAL_TOOLCHAIN}/bin/${MACHINE_GNU_PLATFORM}-ranlib
 READELF=	${EXTERNAL_TOOLCHAIN}/bin/${MACHINE_GNU_PLATFORM}-readelf
 SIZE=		${EXTERNAL_TOOLCHAIN}/bin/${MACHINE_GNU_PLATFORM}-size
 STRINGS=	${EXTERNAL_TOOLCHAIN}/bin/${MACHINE_GNU_PLATFORM}-strings
 STRIP=		${EXTERNAL_TOOLCHAIN}/bin/${MACHINE_GNU_PLATFORM}-strip
 TOOL_CC.gcc=		${EXTERNAL_TOOLCHAIN}/bin/${MACHINE_GNU_PLATFORM}-gcc
 TOOL_CPP.gcc=		${EXTERNAL_TOOLCHAIN}/bin/${MACHINE_GNU_PLATFORM}-cpp
 TOOL_CXX.gcc=		${EXTERNAL_TOOLCHAIN}/bin/${MACHINE_GNU_PLATFORM}-c++
 TOOL_FC.gcc=		${EXTERNAL_TOOLCHAIN}/bin/${MACHINE_GNU_PLATFORM}-g77
 TOOL_OBJC.gcc=		${EXTERNAL_TOOLCHAIN}/bin/${MACHINE_GNU_PLATFORM}-gcc
 TOOL_CC.clang=		${EXTERNAL_TOOLCHAIN}/bin/${MACHINE_GNU_PLATFORM}-clang
 TOOL_CPP.clang=		${EXTERNAL_TOOLCHAIN}/bin/${MACHINE_GNU_PLATFORM}-clang-cpp
 TOOL_CXX.clang=		${EXTERNAL_TOOLCHAIN}/bin/${MACHINE_GNU_PLATFORM}-clang++
 TOOL_OBJC.clang=	${EXTERNAL_TOOLCHAIN}/bin/${MACHINE_GNU_PLATFORM}-clang
 .else									# } {
 # Define default locations for common tools.
 .if ${USETOOLS_BINUTILS:Uyes} == "yes"					#  {
 AR=		${TOOLDIR}/bin/${MACHINE_GNU_PLATFORM}-ar
 AS=		${TOOLDIR}/bin/${MACHINE_GNU_PLATFORM}-as
 LD=		${TOOLDIR}/bin/${MACHINE_GNU_PLATFORM}-ld
 NM=		${TOOLDIR}/bin/${MACHINE_GNU_PLATFORM}-nm
 OBJCOPY=	${TOOLDIR}/bin/${MACHINE_GNU_PLATFORM}-objcopy
 OBJDUMP=	${TOOLDIR}/bin/${MACHINE_GNU_PLATFORM}-objdump
 RANLIB=		${TOOLDIR}/bin/${MACHINE_GNU_PLATFORM}-ranlib
 READELF=	${TOOLDIR}/bin/${MACHINE_GNU_PLATFORM}-readelf
 SIZE=		${TOOLDIR}/bin/${MACHINE_GNU_PLATFORM}-size
 STRINGS=	${TOOLDIR}/bin/${MACHINE_GNU_PLATFORM}-strings
 STRIP=		${TOOLDIR}/bin/${MACHINE_GNU_PLATFORM}-strip
 # GCC supports C, C++, Fortran and Objective C
 TOOL_CC.gcc=		${TOOLDIR}/bin/${MACHINE_GNU_PLATFORM}-gcc
 TOOL_CPP.gcc=		${TOOLDIR}/bin/${MACHINE_GNU_PLATFORM}-cpp
 TOOL_CXX.gcc=		${TOOLDIR}/bin/${MACHINE_GNU_PLATFORM}-c++
 TOOL_FC.gcc=		${TOOLDIR}/bin/${MACHINE_GNU_PLATFORM}-g77
 TOOL_OBJC.gcc=		${TOOLDIR}/bin/${MACHINE_GNU_PLATFORM}-gcc
 .endif									#  }
 # Clang supports C, C++ and Objective C
 TOOL_CC.clang=		${TOOLDIR}/bin/${MACHINE_GNU_PLATFORM}-clang
 TOOL_CPP.clang=		${TOOLDIR}/bin/${MACHINE_GNU_PLATFORM}-clang-cpp
 TOOL_CXX.clang=		${TOOLDIR}/bin/${MACHINE_GNU_PLATFORM}-clang++
 TOOL_OBJC.clang=	${TOOLDIR}/bin/${MACHINE_GNU_PLATFORM}-clang
 # PCC supports C and Fortran
 TOOL_CC.pcc=		${TOOLDIR}/bin/${MACHINE_GNU_PLATFORM}-pcc
 TOOL_CPP.pcc=		${TOOLDIR}/bin/${MACHINE_GNU_PLATFORM}-pcpp
 TOOL_CXX.pcc=		${TOOLDIR}/bin/${MACHINE_GNU_PLATFORM}-p++
+#
 # Make sure DESTDIR is set, so that builds with these tools always
 # get appropriate -nostdinc, -nostdlib, etc. handling.  The default is
 # <empty string>, meaning start from /, the root directory.
+#
 DESTDIR?=
 .if !defined(HOSTPROG) && !defined(HOSTLIB)
 .  if ${DESTDIR} != ""
 CPPFLAGS+=	--sysroot=${DESTDIR}
 LDFLAGS+=	--sysroot=${DESTDIR}
 .  else
 CPPFLAGS+=	--sysroot=/
 LDFLAGS+=	--sysroot=/
 .  endif
 .endif
 .endif	# EXTERNAL_TOOLCHAIN						# }
 DBSYM=		${TOOLDIR}/bin/${MACHINE_GNU_PLATFORM}-dbsym
 ELF2AOUT=	${TOOLDIR}/bin/${_TOOL_PREFIX}m68k-elf2aout
 ELF2ECOFF=	${TOOLDIR}/bin/${_TOOL_PREFIX}mips-elf2ecoff
 INSTALL=	${TOOLDIR}/bin/${MACHINE_GNU_PLATFORM}-install
 LEX=		${TOOLDIR}/bin/${_TOOL_PREFIX}lex
 LINT=		CC=${CC:Q} ${TOOLDIR}/bin/${MACHINE_GNU_PLATFORM}-lint
 LORDER=		NM=${NM:Q} MKTEMP=${TOOL_MKTEMP:Q} ${TOOLDIR}/bin/${_TOOL_PREFIX}lorder
 MKDEP=		CC=${CC:Q} ${TOOLDIR}/bin/${_TOOL_PREFIX}mkdep
 MKDEPCXX=	CC=${CXX:Q} ${TOOLDIR}/bin/${_TOOL_PREFIX}mkdep
 PAXCTL=		${TOOLDIR}/bin/${_TOOL_PREFIX}paxctl
 TSORT=		${TOOLDIR}/bin/${_TOOL_PREFIX}tsort -q
 YACC=		${TOOLDIR}/bin/${_TOOL_PREFIX}yacc
 TOOL_AMIGAAOUT2BB=	${TOOLDIR}/bin/${_TOOL_PREFIX}amiga-aout2bb
 TOOL_AMIGAELF2BB=	${TOOLDIR}/bin/${_TOOL_PREFIX}amiga-elf2bb
 TOOL_AMIGATXLT=		${TOOLDIR}/bin/${_TOOL_PREFIX}amiga-txlt
 TOOL_ASN1_COMPILE=	${TOOLDIR}/bin/${_TOOL_PREFIX}asn1_compile
 TOOL_AWK=		${TOOLDIR}/bin/${_TOOL_PREFIX}awk
 TOOL_CAP_MKDB=		${TOOLDIR}/bin/${_TOOL_PREFIX}cap_mkdb
 TOOL_CAT=		${TOOLDIR}/bin/${_TOOL_PREFIX}cat
 TOOL_CKSUM=		${TOOLDIR}/bin/${_TOOL_PREFIX}cksum
 TOOL_CLANG_TBLGEN=		${TOOLDIR}/bin/${_TOOL_PREFIX}clang-tblgen
 TOOL_COMPILE_ET=	${TOOLDIR}/bin/${_TOOL_PREFIX}compile_et
 TOOL_CONFIG=		${TOOLDIR}/bin/${_TOOL_PREFIX}config
 TOOL_CRUNCHGEN=		MAKE=${.MAKE:Q} ${TOOLDIR}/bin/${_TOOL_PREFIX}crunchgen
 TOOL_CTAGS=		${TOOLDIR}/bin/${_TOOL_PREFIX}ctags
 TOOL_CTFCONVERT=	${TOOLDIR}/bin/${_TOOL_PREFIX}ctfconvert
 TOOL_CTFMERGE=		${TOOLDIR}/bin/${_TOOL_PREFIX}ctfmerge
 TOOL_CVSLATEST=		${TOOLDIR}/bin/${_TOOL_PREFIX}cvslatest
 TOOL_DB=		${TOOLDIR}/bin/${_TOOL_PREFIX}db
 TOOL_DISKLABEL=		${TOOLDIR}/bin/nbdisklabel
 TOOL_EQN=		${TOOLDIR}/bin/${_TOOL_PREFIX}eqn
 TOOL_FDISK=		${TOOLDIR}/bin/${MACHINE_GNU_PLATFORM}-fdisk
 TOOL_FGEN=		${TOOLDIR}/bin/${_TOOL_PREFIX}fgen
 TOOL_GENASSYM=		${TOOLDIR}/bin/${_TOOL_PREFIX}genassym
 TOOL_GENCAT=		${TOOLDIR}/bin/${_TOOL_PREFIX}gencat
 TOOL_GMAKE=		${TOOLDIR}/bin/${_TOOL_PREFIX}gmake
 # grep exists in src/tools, but is not hooked up into the build.
 #TOOL_GREP=		${TOOLDIR}/bin/${_TOOL_PREFIX}grep
 TOOL_GREP=		grep
 TOOL_GROFF=		PATH=${TOOLDIR}/lib/groff:$${PATH} ${TOOLDIR}/bin/${_TOOL_PREFIX}groff
 TOOL_HEXDUMP=		${TOOLDIR}/bin/${_TOOL_PREFIX}hexdump
 TOOL_HP300MKBOOT=	${TOOLDIR}/bin/${_TOOL_PREFIX}hp300-mkboot
 TOOL_HPPAMKBOOT=	${TOOLDIR}/bin/${_TOOL_PREFIX}hppa-mkboot
 TOOL_INDXBIB=		${TOOLDIR}/bin/${_TOOL_PREFIX}indxbib
 TOOL_INSTALLBOOT=	${TOOLDIR}/bin/${_TOOL_PREFIX}installboot
 TOOL_INSTALL_INFO=	${TOOLDIR}/bin/${_TOOL_PREFIX}install-info
 TOOL_JOIN=		${TOOLDIR}/bin/${_TOOL_PREFIX}join
 TOOL_LLVM_TBLGEN=		${TOOLDIR}/bin/${_TOOL_PREFIX}llvm-tblgen
 TOOL_M4=		${TOOLDIR}/bin/${_TOOL_PREFIX}m4
 TOOL_MACPPCFIXCOFF=	${TOOLDIR}/bin/${_TOOL_PREFIX}macppc-fixcoff
 TOOL_MAKEFS=		${TOOLDIR}/bin/${_TOOL_PREFIX}makefs
 TOOL_MAKEINFO=		${TOOLDIR}/bin/${_TOOL_PREFIX}makeinfo
 TOOL_MAKEKEYS=		${TOOLDIR}/bin/${_TOOL_PREFIX}makekeys
 TOOL_MAKESTRS=		${TOOLDIR}/bin/${_TOOL_PREFIX}makestrs
 TOOL_MAKEWHATIS=	${TOOLDIR}/bin/${_TOOL_PREFIX}makewhatis
 TOOL_MANDOC_ASCII=	${TOOLDIR}/bin/${_TOOL_PREFIX}mandoc -Tascii
 TOOL_MANDOC_HTML=	${TOOLDIR}/bin/${_TOOL_PREFIX}mandoc -Thtml
 TOOL_MANDOC_LINT=	${TOOLDIR}/bin/${_TOOL_PREFIX}mandoc -Tlint
 TOOL_MDSETIMAGE=	${TOOLDIR}/bin/${MACHINE_GNU_PLATFORM}-mdsetimage
 TOOL_MENUC=		MENUDEF=${TOOLDIR}/share/misc ${TOOLDIR}/bin/${_TOOL_PREFIX}menuc
 TOOL_M68KELF2AOUT=	${TOOLDIR}/bin/${_TOOL_PREFIX}m68k-elf2aout
 TOOL_MIPSELF2ECOFF=	${TOOLDIR}/bin/${_TOOL_PREFIX}mips-elf2ecoff
 TOOL_MKCSMAPPER=	${TOOLDIR}/bin/${_TOOL_PREFIX}mkcsmapper
 TOOL_MKESDB=		${TOOLDIR}/bin/${_TOOL_PREFIX}mkesdb
 TOOL_MKLOCALE=		${TOOLDIR}/bin/${_TOOL_PREFIX}mklocale
 TOOL_MKMAGIC=		${TOOLDIR}/bin/${_TOOL_PREFIX}file
 TOOL_MKNOD=		${TOOLDIR}/bin/${_TOOL_PREFIX}mknod
 TOOL_MKTEMP=		${TOOLDIR}/bin/${_TOOL_PREFIX}mktemp
 TOOL_MKUBOOTIMAGE=	${TOOLDIR}/bin/${_TOOL_PREFIX}mkubootimage
 TOOL_ELFTOSB=		${TOOLDIR}/bin/${_TOOL_PREFIX}elftosb
 TOOL_MSGC=		MSGDEF=${TOOLDIR}/share/misc ${TOOLDIR}/bin/${_TOOL_PREFIX}msgc
 TOOL_MTREE=		${TOOLDIR}/bin/${_TOOL_PREFIX}mtree
 TOOL_NBPERF=		${TOOLDIR}/bin/${_TOOL_PREFIX}perf
 TOOL_NCDCS=		${TOOLDIR}/bin/${_TOOL_PREFIX}ibmnws-ncdcs
 TOOL_PAX=		${TOOLDIR}/bin/${_TOOL_PREFIX}pax
 TOOL_PIC=		${TOOLDIR}/bin/${_TOOL_PREFIX}pic
 TOOL_PIGZ=		${TOOLDIR}/bin/${_TOOL_PREFIX}pigz
 TOOL_PKG_CREATE=	${TOOLDIR}/bin/${_TOOL_PREFIX}pkg_create
 TOOL_POWERPCMKBOOTIMAGE=${TOOLDIR}/bin/${_TOOL_PREFIX}powerpc-mkbootimage
 TOOL_PWD_MKDB=		${TOOLDIR}/bin/${_TOOL_PREFIX}pwd_mkdb
 TOOL_REFER=		${TOOLDIR}/bin/${_TOOL_PREFIX}refer
 TOOL_ROFF_ASCII=	PATH=${TOOLDIR}/lib/groff:$${PATH} ${TOOLDIR}/bin/${_TOOL_PREFIX}nroff
 TOOL_ROFF_DOCASCII=	${TOOL_GROFF} -Tascii
 TOOL_ROFF_DOCHTML=	${TOOL_GROFF} -Thtml
 TOOL_ROFF_DVI=		${TOOL_GROFF} -Tdvi
 TOOL_ROFF_HTML=		${TOOL_GROFF} -Tlatin1 -mdoc2html
 TOOL_ROFF_PS=		${TOOL_GROFF} -Tps
 TOOL_ROFF_RAW=		${TOOL_GROFF} -Z
 TOOL_RPCGEN=		RPCGEN_CPP=${CPP:Q} ${TOOLDIR}/bin/${_TOOL_PREFIX}rpcgen
 TOOL_SED=		${TOOLDIR}/bin/${_TOOL_PREFIX}sed
 TOOL_SLC=		${TOOLDIR}/bin/${_TOOL_PREFIX}slc
 TOOL_SOELIM=		${TOOLDIR}/bin/${_TOOL_PREFIX}soelim
 TOOL_SORTINFO=		${TOOLDIR}/bin/${_TOOL_PREFIX}sortinfo
 TOOL_SPARKCRC=		${TOOLDIR}/bin/${_TOOL_PREFIX}sparkcrc
 TOOL_STAT=		${TOOLDIR}/bin/${_TOOL_PREFIX}stat
 TOOL_STRFILE=		${TOOLDIR}/bin/${_TOOL_PREFIX}strfile
 TOOL_SUNLABEL=		${TOOLDIR}/bin/${_TOOL_PREFIX}sunlabel
 TOOL_TBL=		${TOOLDIR}/bin/${_TOOL_PREFIX}tbl
 TOOL_TIC=		${TOOLDIR}/bin/${_TOOL_PREFIX}tic
 TOOL_UUDECODE=		${TOOLDIR}/bin/${_TOOL_PREFIX}uudecode
 TOOL_VGRIND=		${TOOLDIR}/bin/${_TOOL_PREFIX}vgrind -f
 TOOL_VFONTEDPR=		${TOOLDIR}/libexec/${_TOOL_PREFIX}vfontedpr
 TOOL_ZIC=		${TOOLDIR}/bin/${_TOOL_PREFIX}zic
 .else	# USETOOLS != yes						# } {
 # Clang supports C, C++ and Objective C
 TOOL_CC.clang=		clang
 TOOL_CPP.clang=		clang-cpp
 TOOL_CXX.clang=		clang++
 TOOL_OBJC.clang=	clang
 # GCC supports C, C++, Fortran and Objective C
 TOOL_CC.gcc=	gcc
 TOOL_CPP.gcc=	cpp
 TOOL_CXX.gcc=	c++
 TOOL_FC.gcc=	g77
 TOOL_OBJC.gcc=	gcc
 # PCC supports C and Fortran
 TOOL_CC.pcc=		pcc
 TOOL_CPP.pcc=		pcpp
 TOOL_CXX.pcc=		p++
 TOOL_AMIGAAOUT2BB=	amiga-aout2bb
 TOOL_AMIGAELF2BB=	amiga-elf2bb
 TOOL_AMIGATXLT=		amiga-txlt
 TOOL_ASN1_COMPILE=	asn1_compile
 TOOL_AWK=		awk
 TOOL_CAP_MKDB=		cap_mkdb
 TOOL_CAT=		cat
 TOOL_CKSUM=		cksum
 TOOL_CLANG_TBLGEN=	clang-tblgen
 TOOL_COMPILE_ET=	compile_et
 TOOL_CONFIG=		config
 TOOL_CRUNCHGEN=		crunchgen
 TOOL_CTAGS=		ctags
 TOOL_CTFCONVERT=	ctfconvert
 TOOL_CTFMERGE=		ctfmerge
 TOOL_CVSLATEST=		cvslatest
 TOOL_DB=		db
 TOOL_DISKLABEL=		disklabel
 TOOL_EQN=		eqn
 TOOL_FDISK=		fdisk
 TOOL_FGEN=		fgen
 TOOL_GENASSYM=		genassym
 TOOL_GENCAT=		gencat
 TOOL_GMAKE=		gmake
 TOOL_GREP=		grep
 TOOL_GROFF=		groff
 TOOL_HEXDUMP=		hexdump
 TOOL_HP300MKBOOT=	hp300-mkboot
 TOOL_HPPAMKBOOT=	hppa-mkboot
 TOOL_INDXBIB=		indxbib
 TOOL_INSTALLBOOT=	installboot
 TOOL_INSTALL_INFO=	install-info
 TOOL_JOIN=		join
 TOOL_LLVM_TBLGEN=	llvm-tblgen
 TOOL_M4=		m4
 TOOL_MACPPCFIXCOFF=	macppc-fixcoff
 TOOL_MAKEFS=		makefs
 TOOL_MAKEINFO=		makeinfo
 TOOL_MAKEKEYS=		makekeys
 TOOL_MAKESTRS=		makestrs
 TOOL_MAKEWHATIS=	/usr/libexec/makewhatis
 TOOL_MANDOC_ASCII=	mandoc -Tascii
 TOOL_MANDOC_HTML=	mandoc -Thtml
 TOOL_MANDOC_LINT=	mandoc -Tlint
 TOOL_MDSETIMAGE=	mdsetimage
 TOOL_MENUC=		menuc
 TOOL_M68KELF2AOUT=	m68k-elf2aout
 TOOL_MIPSELF2ECOFF=	mips-elf2ecoff
 TOOL_MKCSMAPPER=	mkcsmapper
 TOOL_MKESDB=		mkesdb
 TOOL_MKLOCALE=		mklocale
 TOOL_MKMAGIC=		file
 TOOL_MKNOD=		mknod
 TOOL_MKTEMP=		mktemp
 TOOL_MKUBOOTIMAGE=	mkubootimage
 TOOL_ELFTOSB=		elftosb
 TOOL_MSGC=		msgc
 TOOL_MTREE=		mtree
 TOOL_NBPERF=		nbperf
 TOOL_NCDCS=		ncdcs
 TOOL_PAX=		pax
 TOOL_PIC=		pic
 TOOL_PIGZ=		pigz
 TOOL_PKG_CREATE=	pkg_create
 TOOL_POWERPCMKBOOTIMAGE=	powerpc-mkbootimage
 TOOL_PWD_MKDB=		pwd_mkdb
 TOOL_REFER=		refer
 TOOL_ROFF_ASCII=	nroff
 TOOL_ROFF_DOCASCII=	${TOOL_GROFF} -Tascii
 TOOL_ROFF_DOCHTML=	${TOOL_GROFF} -Thtml
 TOOL_ROFF_DVI=		${TOOL_GROFF} -Tdvi
 TOOL_ROFF_HTML=		${TOOL_GROFF} -Tlatin1 -mdoc2html
 TOOL_ROFF_PS=		${TOOL_GROFF} -Tps
 TOOL_ROFF_RAW=		${TOOL_GROFF} -Z
 TOOL_RPCGEN=		rpcgen
 TOOL_SED=		sed
 TOOL_SOELIM=		soelim
 TOOL_SORTINFO=		sortinfo
 TOOL_SPARKCRC=		sparkcrc
 TOOL_STAT=		stat
 TOOL_STRFILE=		strfile
 TOOL_SUNLABEL=		sunlabel
 TOOL_TBL=		tbl
 TOOL_TIC=		tic
 TOOL_UUDECODE=		uudecode
 TOOL_VGRIND=		vgrind -f
 TOOL_VFONTEDPR=		/usr/libexec/vfontedpr
 TOOL_ZIC=		zic
 .endif	# USETOOLS != yes						# }
 # Standalone code should not be compiled with PIE or CTF
 # Should create a better test
 .if defined(BINDIR) && ${BINDIR} == "/usr/mdec"
 NOPIE=			# defined
 NOCTF=			# defined
 .endif
 # Fallback to ensure that all variables are defined to something
 TOOL_CC.false=		false
 TOOL_CPP.false=		false
 TOOL_CXX.false=		false
 TOOL_FC.false=		false
 TOOL_OBJC.false=	false
 AVAILABLE_COMPILER?=	${HAVE_PCC:Dpcc} ${HAVE_LLVM:Dclang} ${HAVE_GCC:Dgcc} ${EXTERNAL_TOOLCHAIN:Dgcc} false
 .for _t in CC CPP CXX FC OBJC
 ACTIVE_${_t}=	${AVAILABLE_COMPILER:@.c.@ ${ !defined(UNSUPPORTED_COMPILER.${.c.}) && defined(TOOL_${_t}.${.c.}) :? ${.c.} : }@:[1]}
 SUPPORTED_${_t}=${AVAILABLE_COMPILER:Nfalse:@.c.@ ${ !defined(UNSUPPORTED_COMPILER.${.c.}) && defined(TOOL_${_t}.${.c.}) :? ${.c.} : }@}
 .endfor
 # make bugs prevent moving this into the .for loop
 CC=		${TOOL_CC.${ACTIVE_CC}}
 CPP=		${TOOL_CPP.${ACTIVE_CPP}}
 CXX=		${TOOL_CXX.${ACTIVE_CXX}}
 FC=		${TOOL_FC.${ACTIVE_FC}}
 OBJC=		${TOOL_OBJC.${ACTIVE_OBJC}}
 # For each ${MACHINE_CPU}, list the ports that use it.
 MACHINES.aarch64=	evbarm64
 MACHINES.alpha=		alpha
 MACHINES.arm=		acorn26 acorn32 cats epoc32 evbarm hpcarm \
 			iyonix netwinder shark zaurus
 MACHINES.coldfire=	evbcf
 MACHINES.i386=		i386
 MACHINES.ia64=		ia64
 MACHINES.hppa=		hppa
 MACHINES.m68000=	sun2
 MACHINES.m68k=		amiga atari cesfic hp300 luna68k mac68k \
 			news68k next68k sun3 x68k
 MACHINES.mips=		arc cobalt algor cobalt emips evbmips ews4800mips \
 			hpcmips mipsco newsmips pmax sbmips sgimips
 MACHINES.or1k=		or1k
 MACHINES.powerpc=	amigappc bebox evbppc ibmnws macppc mvmeppc \
 			ofppc prep rs6000 sandpoint
 MACHINES.riscv=		riscv
 MACHINES.sh3=		dreamcast evbsh3 hpcsh landisk mmeye
 MACHINES.sparc=		sparc sparc64
 MACHINES.sparc64=	sparc64
 MACHINES.vax=		vax
 MACHINES.x86_64=	amd64
 # for crunchide & ldd, define the OBJECT_FMTS used by a MACHINE_ARCH
+#
 OBJECT_FMTS=
 .if	${MACHINE_ARCH} != "alpha"
 OBJECT_FMTS+=	elf32
 .endif
 .if	${MACHINE_ARCH} == "alpha" || ${MACHINE_ARCH:M*64*} != ""
 OBJECT_FMTS+=	elf64
 .endif
 # OBJCOPY flags to create a.out binaries for old firmware
 # shared among src/distrib and ${MACHINE}/conf/Makefile.${MACHINE}.inc
 .if ${MACHINE_CPU} == "arm"
 OBJCOPY_ELF2AOUT_FLAGS?=	\
 	-O a.out-arm-netbsd	\
 	-R .ident		\
 	-R .ARM.attributes	\
 	-R .ARM.exidx		\
 	-R .ARM.extab		\
 	-R .SUNW_ctf		\
 	-R .arm.atpcs		\
 	-R .comment		\
 	-R .debug_abbrev	\
 	-R .debug_aranges	\
 	-R .debug_info		\
 	-R .debug_line		\
 	-R .debug_frame		\
 	-R .debug_loc		\
 	-R .debug_pubnames	\
 	-R .debug_pubtypes	\
 	-R .debug_ranges	\
 	-R .debug_str		\
 	-R .eh_frame		\
 	-R .note.netbsd.ident
 .endif
+#
 # Targets to check if DESTDIR or RELEASEDIR is provided
+#
 .if !target(check_DESTDIR)
 check_DESTDIR: .PHONY .NOTMAIN
 .if !defined(DESTDIR)
 	@echo "setenv DESTDIR before doing that!"
 	@false
 .else
 	@true
 .endif
 .endif
 .if !target(check_RELEASEDIR)
 check_RELEASEDIR: .PHONY .NOTMAIN
 .if !defined(RELEASEDIR)
 	@echo "setenv RELEASEDIR before doing that!"
 	@false
 .else
 	@true
 .endif
 .endif
+#
 # Build a dynamically linked /bin and /sbin, with the necessary shared
 # libraries moved from /usr/lib to /lib and the shared linker moved
 # from /usr/libexec to /lib
+#
 # Note that if the BINDIR is not /bin or /sbin, then we always use the
 # non-DYNAMICROOT behavior (i.e. it is only enabled for programs in /bin
 # and /sbin).  See <bsd.shlib.mk>.
+#
 MKDYNAMICROOT?=	yes
+#
 # Where the system object and source trees are kept; can be configurable
 # by the user in case they want them in ~/foosrc and ~/fooobj (for example).
+#
 BSDSRCDIR?=	/usr/src
 BSDOBJDIR?=	/usr/obj
 NETBSDSRCDIR?=	${BSDSRCDIR}
 BINGRP?=	wheel
 BINOWN?=	root
 BINMODE?=	555
 NONBINMODE?=	444
 # These are here mainly because we don't want suid root in case
 # a Makefile defines BINMODE.
 RUMPBINGRP?=	wheel
 RUMPBINOWN?=	root
 RUMPBINMODE?=	555
 RUMPNONBINMODE?=444
 MANDIR?=	/usr/share/man
 MANGRP?=	wheel
 MANOWN?=	root
 MANMODE?=	${NONBINMODE}
 MANINSTALL?=	${_MANINSTALL}
 INFODIR?=	/usr/share/info
 INFOGRP?=	wheel
 INFOOWN?=	root
 INFOMODE?=	${NONBINMODE}
 LIBDIR?=	/usr/lib
 LINTLIBDIR?=	/usr/libdata/lint
 LIBGRP?=	${BINGRP}
 LIBOWN?=	${BINOWN}
 LIBMODE?=	${NONBINMODE}
 DOCDIR?=	/usr/share/doc
 DOCGRP?=	wheel
 DOCOWN?=	root
 DOCMODE?=	${NONBINMODE}
 NLSDIR?=	/usr/share/nls
 NLSGRP?=	wheel
 NLSOWN?=	root
 NLSMODE?=	${NONBINMODE}
 KMODULEGRP?=	wheel
 KMODULEOWN?=	root
 KMODULEMODE?=	${NONBINMODE}
 LOCALEDIR?=	/usr/share/locale
 LOCALEGRP?=	wheel
 LOCALEOWN?=	root
 LOCALEMODE?=	${NONBINMODE}
 FIRMWAREDIR?=	/libdata/firmware
 FIRMWAREGRP?=	wheel
 FIRMWAREOWN?=	root
 FIRMWAREMODE?=	${NONBINMODE}
 DEBUGDIR?=	/usr/libdata/debug
 DEBUGGRP?=	wheel
 DEBUGOWN?=	root
 DEBUGMODE?=	${NONBINMODE}
+#
 # Data-driven table using make variables to control how
 # toolchain-dependent targets and shared libraries are built
 # for different platforms and object formats.
+#
 # OBJECT_FMT:		currently either "ELF" or "a.out".
+#
 # All platforms are ELF.
+#
 OBJECT_FMT=	ELF
+#
 # If this platform's toolchain is missing, we obviously cannot build it.
+#
 .if ${TOOLCHAIN_MISSING} != "no"
 MKBINUTILS:= no
 MKGDB:= no
 MKGCC:= no
 .endif
+#
 # If we are using an external toolchain, we can still build the target's
 # binutils, but we cannot build GCC's support libraries, since those are
 # tightly-coupled to the version of GCC being used.
+#
 .if defined(EXTERNAL_TOOLCHAIN)
 MKGCC:= no
 .endif
 # No GDB support for aarch64
 MKGDB.aarch64=	no
 MKGDB.or1k=	no
 MKGDB.riscv32=	no
 MKGDB.riscv64=	no
 # No kernel modules for or1k (yet)
 MKKMOD.or1k=	no
 MKKMOD.riscv32=	no
 MKKMOD.riscv64=	no
 # No profiling for or1k (yet)
 MKPROFILE.or1k=	no
 MKPROFILE.riscv32=no
 MKPROFILE.riscv64=no
+#
 # The m68000 port is incomplete.
+#
 .if ${MACHINE_ARCH} == "m68000"
 NOPIC=		# defined
 MKISCSI=	no
 # XXX GCC 4 outputs mcount() calling sequences that try to load values
 # from over 64KB away and this fails to assemble.
 .if defined(HAVE_GCC)
 NOPROFILE=	# defined
 .endif
 .endif
+#
 # The ia64 port is incomplete.
+#
 MKLINT.ia64=	no
 MKGDB.ia64=	no
+#
 # On the MIPS, all libs are compiled with ABIcalls (and are thus PIC),
 # not just shared libraries, so don't build the _pic version.
+#
 .if ${MACHINE_ARCH} == "mipsel" || ${MACHINE_ARCH} == "mipseb" || \
     ${MACHINE_ARCH} == "mips64el" || ${MACHINE_ARCH} == "mips64eb"
 MKPICLIB:=	no
 .endif
 # PowerPC64 and AArch64 ABI's are PIC
 MKPICLIB.powerpc64=	no
 #MKPICLIB.aarch64=	no
+#
 # On VAX using ELF, all objects are PIC, not just shared libraries,
 # so don't build the _pic version.
+#
 MKPICLIB.vax=	no
+#
 # Location of the file that contains the major and minor numbers of the
 # version of a shared library.  If this file exists a shared library
 # will be built by <bsd.lib.mk>.
+#
 SHLIB_VERSION_FILE?= ${.CURDIR}/shlib_version
+#
 # GNU sources and packages sometimes see architecture names differently.
+#
 GNU_ARCH.aarch64eb=aarch64_be
 GNU_ARCH.coldfire=m5407
 GNU_ARCH.earm=arm
 GNU_ARCH.earmhf=arm
 GNU_ARCH.earmeb=armeb
 GNU_ARCH.earmhfeb=armeb
 GNU_ARCH.earmv4=armv4
 GNU_ARCH.earmv4eb=armv4eb
 GNU_ARCH.earmv5=arm
 GNU_ARCH.earmv5eb=armeb
 GNU_ARCH.earmv6=armv6
 GNU_ARCH.earmv6hf=armv6
 GNU_ARCH.earmv6eb=armv6eb
 GNU_ARCH.earmv6hfeb=armv6eb
 GNU_ARCH.earmv7=armv7
 GNU_ARCH.earmv7hf=armv7
 GNU_ARCH.earmv7eb=armv7eb
 GNU_ARCH.earmv7hfeb=armv7eb
 GNU_ARCH.i386=i486
 GCC_CONFIG_ARCH.i386=i486
 GCC_CONFIG_TUNE.i386=nocona
 GCC_CONFIG_TUNE.x86_64=nocona
 GNU_ARCH.m68000=m68010
 GNU_ARCH.sh3eb=sh
 GNU_ARCH.sh3el=shle
 GNU_ARCH.mips64eb=mips64
 MACHINE_GNU_ARCH=${GNU_ARCH.${MACHINE_ARCH}:U${MACHINE_ARCH}}
+#
 # In order to identify NetBSD to GNU packages, we sometimes need
 # an "elf" tag for historically a.out platforms.
+#
 .if (!empty(MACHINE_ARCH:Mearm*))
 MACHINE_GNU_PLATFORM?=${MACHINE_GNU_ARCH}--netbsdelf-${MACHINE_ARCH:C/eb//:C/v[4-7]//:S/earm/eabi/}
 .elif (${MACHINE_GNU_ARCH} == "arm" || \
      ${MACHINE_GNU_ARCH} == "armeb" || \
      ${MACHINE_ARCH} == "i386" || \
      ${MACHINE_CPU} == "m68k" || \
      ${MACHINE_GNU_ARCH} == "sh" || \
      ${MACHINE_GNU_ARCH} == "shle" || \
      ${MACHINE_ARCH} == "sparc" || \
      ${MACHINE_ARCH} == "vax")
 MACHINE_GNU_PLATFORM?=${MACHINE_GNU_ARCH}--netbsdelf
 .else
 MACHINE_GNU_PLATFORM?=${MACHINE_GNU_ARCH}--netbsd
 .endif
 .if !empty(MACHINE_ARCH:M*arm*)
 # Flags to pass to CC for using the old APCS ABI on ARM for compat or stand.
 ARM_APCS_FLAGS=	-mabi=apcs-gnu -mfloat-abi=soft
 ARM_APCS_FLAGS+=${${ACTIVE_CC} == "gcc":? -marm :}
 ARM_APCS_FLAGS+=${${ACTIVE_CC} == "clang":? -target ${MACHINE_GNU_ARCH}--netbsdelf -B ${TOOLDIR}/${MACHINE_GNU_PLATFORM}/bin :}
 .endif
 GENASSYM_CPPFLAGS+=	${${ACTIVE_CC} == "clang":? -no-integrated-as :}
 TARGETS+=	all clean cleandir depend dependall includes \
 		install lint obj regress tags html analyze describe \
 		rumpdescribe
 PHONY_NOTMAIN =	all clean cleandir depend dependall distclean includes \
 		install lint obj regress beforedepend afterdepend \
 		beforeinstall afterinstall realinstall realdepend realall \
 		html subdir-all subdir-install subdir-depend analyze describe \
 		rumpdescribe
 .PHONY:		${PHONY_NOTMAIN}
 .NOTMAIN:	${PHONY_NOTMAIN}
 .if ${NEED_OWN_INSTALL_TARGET} != "no"
 .if !target(install)
 install:	beforeinstall .WAIT subdir-install realinstall .WAIT afterinstall
 beforeinstall:
 subdir-install:
 realinstall:
 afterinstall:
 .endif
 all:		realall subdir-all
 subdir-all:
 realall:
 depend:		realdepend subdir-depend
 subdir-depend:
 realdepend:
 distclean:	cleandir
 cleandir:	clean
 dependall:	.NOTMAIN realdepend .MAKE
 	@cd "${.CURDIR}"; ${MAKE} realall
 .endif
+#
 # Define MKxxx variables (which are either yes or no) for users
 # to set in /etc/mk.conf and override in the make environment.
 # These should be tested with `== "no"' or `!= "no"'.
 # The NOxxx variables should only be set by Makefiles.
+#
 # Please keep etc/Makefile and share/man/man5/mk.conf.5 in sync
 # with changes to the MK* variables here.
+#
+#
 # Supported NO* options (if defined, MK* will be forced to "no",
 # regardless of user's mk.conf setting).
+#
 # Source makefiles should set NO*, and not MK*, and must do so before
 # including bsd.own.mk.
+#
 .for var in \
 	NOCRYPTO NODOC NOHTML NOINFO NOLINKLIB NOLINT NOMAN NONLS NOOBJ NOPIC \
 	NOPICINSTALL NOPROFILE NOSHARE NOSTATICLIB
 .if defined(${var})
 MK${var:S/^NO//}:=	no
 .endif
 .endfor
+#
 # Older-style variables that enabled behaviour when set.
+#
 .for var in MANZ UNPRIVED UPDATE
 .if defined(${var})
 MK${var}:=	yes
 .endif
 .endfor
+#
 # MK* options which have variable defaults.
+#
 .if ${MACHINE_ARCH} == "x86_64" || ${MACHINE_ARCH} == "sparc64" \
     || ${MACHINE_ARCH} == "mips64eb" || ${MACHINE_ARCH} == "mips64el" \
     || ${MACHINE_ARCH} == "powerpc64" || ${MACHINE_CPU} == "aarch64" \
     || ${MACHINE_ARCH} == "riscv64" \
     || !empty(MACHINE_ARCH:Mearm*)
 MKCOMPAT?=	yes
 .else
 # Don't let this build where it really isn't supported.
 MKCOMPAT:=	no
 MKCOMPATTESTS:=	no
 MKCOMPATX11:=	no
 .endif
 .if ${MACHINE_ARCH} == "x86_64" || ${MACHINE_ARCH} == "i386" \
     || ${MACHINE_ARCH} == "mips64eb" || ${MACHINE_ARCH} == "mips64el" \
     || (${MACHINE} == "evbppc" && ${MACHINE_ARCH} == "powerpc")
 MKCOMPATMODULES?=	yes
 .else
 MKCOMPATMODULES:=	no
 .endif
+#
 # Default mips64 to softfloat now.
 # arm is always softfloat unless it isn't
 # emips is always softfloat.
 # coldfire is always softfloat
 # or1k is always softfloat
+#
 .if ${MACHINE_ARCH} == "mips64eb" || ${MACHINE_ARCH} == "mips64el" || \
     (${MACHINE_CPU} == "arm" && ${MACHINE_ARCH:M*hf*} == "") || \
     ${MACHINE_ARCH} == "coldfire" || ${MACHINE_CPU} == "or1k" || \
     ${MACHINE} == "emips"
 MKSOFTFLOAT?=	yes
 .endif
 .if ${MACHINE} == "emips"
 SOFTFLOAT_BITS=	32
 .endif
 .if ${MACHINE_ARCH} == "i386" || \
     ${MACHINE_ARCH} == "x86_64" || \
     ${MACHINE_ARCH} == "sparc"
 MKSLJIT?=	yes
 .else
 MKSLJIT?=	no
 .endif
+#
 # MK* backward compatibility.
+#
 .if defined(MKBFD)
 MKBINUTILS?=	${MKBFD}
 .endif
+#
 # We want to build zfs only for amd64 by default for now.
+#
 .if ${MACHINE} == "amd64"
 MKZFS?=		yes
 .endif
+#
 # DTrace works on amd64, i386 and earm*
+#
 .if ${MACHINE_ARCH} == "i386" || \
     ${MACHINE_ARCH} == "x86_64" || \
     !empty(MACHINE_ARCH:Mearm*)
 MKDTRACE?=	yes
 MKCTF?=		yes
 .endif
+#
 # MK* options which default to "yes".
+#
 _MKVARS.yes= \
 	MKATF \
 	MKBINUTILS \
 	MKCRYPTO MKCOMPLEX MKCVS MKCXX \
 	MKDOC \
 	MKGCC MKGDB MKGROFF \
 	MKHESIOD MKHTML \
 	MKIEEEFP MKINET6 MKINFO MKIPFILTER MKISCSI \
 	MKKERBEROS \
 	MKKMOD \
 	MKLDAP MKLIBSTDCXX MKLINKLIB MKLVM \
 	MKMAN MKMANDOC \
 	MKMDNS \
 	MKMAKEMANDB \
 	MKNLS \
 	MKNPF \
 	MKOBJ \
 	MKPAM MKPERFUSE \
 	MKPF MKPIC MKPICINSTALL MKPICLIB MKPOSTFIX MKPROFILE \
 	MKRUMP \
 	MKSHARE MKSKEY MKSTATICLIB \
 	MKX11FONTS \
 	MKYP
 .for var in ${_MKVARS.yes}
 ${var}?=	${${var}.${MACHINE_ARCH}:Uyes}
 .endfor
+#
 # MKGCCCMDS is only valid if we are building GCC so make it dependent on that.
+#
 _MKVARS.yes += MKGCCCMDS
 MKGCCCMDS?=	${MKGCC}
+#
 # Exceptions to the above:
+#
 .if ${MACHINE} == "acorn26"	# page size is prohibitive
 MKKMOD=		no
 .endif
+#
 # MK* options which default to "no".  Note that MKZFS has a different
 # default for some platforms, see above.
+#
 _MKVARS.no= \
 	MKBSDGREP MKBSDTAR \
 	MKCATPAGES MKCOMPATTESTS MKCOMPATX11 MKCRYPTO_RC5 MKCTF MKDEBUG \
 	MKDEBUGLIB MKDTRACE MKEXTSRC MKGROFFHTMLDOC \
 	MKKYUA MKLLD MKLLDB MKLINT \
 	MKMANZ MKMCLINKER MKOBJDIRS \
 	MKLIBCXX MKLLVM MKPCC \
 	MKPIGZGZIP \
 	MKREPRO \
 	MKSOFTFLOAT MKSTRIPIDENT MKTPM \
 	MKUNPRIVED MKUPDATE MKX11 MKX11MOTIF MKZFS
 .for var in ${_MKVARS.no}
 ${var}?=	${${var}.${MACHINE_ARCH}:Uno}
 .endfor
+#
 # Which platforms build the xorg-server drivers (as opposed
 # to just Xnest and Xvfb.)
+#
 .if ${MACHINE} == "alpha"	|| \
     ${MACHINE} == "amd64"	|| \
     ${MACHINE} == "amiga"	|| \
     ${MACHINE} == "bebox"	|| \
     ${MACHINE} == "cats"	|| \
     ${MACHINE} == "dreamcast"	|| \
     ${MACHINE} == "ews4800mips"	|| \
     ${MACHINE} == "evbarm"	|| \
     ${MACHINE} == "evbmips"	|| \
     ${MACHINE} == "hp300"	|| \
     ${MACHINE} == "hpcarm"	|| \
     ${MACHINE} == "hpcmips"	|| \
     ${MACHINE} == "hpcsh"	|| \
     ${MACHINE} == "i386"	|| \
     ${MACHINE} == "ibmnws"	|| \
     ${MACHINE} == "luna68k"	|| \
     ${MACHINE} == "mac68k"	|| \
     ${MACHINE} == "macppc"	|| \
     ${MACHINE} == "netwinder"	|| \
     ${MACHINE} == "newsmips"	|| \
     ${MACHINE} == "prep"	|| \
     ${MACHINE} == "ofppc"	|| \
     ${MACHINE} == "sgimips"	|| \
     ${MACHINE} == "shark"	|| \
     ${MACHINE} == "sparc"	|| \
     ${MACHINE} == "sparc64"	|| \
     ${MACHINE} == "vax"		|| \
     ${MACHINE} == "zaurus"
 MKXORG_SERVER?=yes
 .else
 MKXORG_SERVER?=no
 .endif
+#
 # Force some options off if their dependencies are off.
+#
 .if ${MKCXX} == "no"