HardenedBSD/Makefile
Yoshihiro Takahashi 2b375b4edd Remove pc98 support completely.
I thank all developers and contributors for pc98.

Relnotes:	yes
2017-01-28 02:22:15 +00:00

590 lines
21 KiB
Makefile

#
# $FreeBSD$
#
# The user-driven targets are:
#
# universe - *Really* build *everything* (buildworld and
# all kernels on all architectures).
# tinderbox - Same as universe, but presents a list of failed build
# targets and exits with an error if there were any.
# buildworld - Rebuild *everything*, including glue to help do
# upgrades.
# installworld - Install everything built by "buildworld".
# world - buildworld + installworld, no kernel.
# buildkernel - Rebuild the kernel and the kernel-modules.
# installkernel - Install the kernel and the kernel-modules.
# installkernel.debug
# reinstallkernel - Reinstall the kernel and the kernel-modules.
# reinstallkernel.debug
# kernel - buildkernel + installkernel.
# kernel-toolchain - Builds the subset of world necessary to build a kernel
# kernel-toolchains - Build kernel-toolchain for all universe targets.
# doxygen - Build API documentation of the kernel, needs doxygen.
# update - Convenient way to update your source tree(s).
# checkworld - Run test suite on installed world.
# check-old - List obsolete directories/files/libraries.
# check-old-dirs - List obsolete directories.
# check-old-files - List obsolete files.
# check-old-libs - List obsolete libraries.
# delete-old - Delete obsolete directories/files.
# delete-old-dirs - Delete obsolete directories.
# delete-old-files - Delete obsolete files.
# delete-old-libs - Delete obsolete libraries.
# targets - Print a list of supported TARGET/TARGET_ARCH pairs
# for world and kernel targets.
# toolchains - Build a toolchain for all world and kernel targets.
# xdev - xdev-build + xdev-install for the architecture
# specified with XDEV and XDEV_ARCH.
# xdev-build - Build cross-development tools.
# xdev-install - Install cross-development tools.
# xdev-links - Create traditional links in /usr/bin for cc, etc
# native-xtools - Create host binaries that produce target objects
# for use in qemu user-mode jails.
#
# "quick" way to test all kernel builds:
# _jflag=`sysctl -n hw.ncpu`
# _jflag=$(($_jflag * 2))
# [ $_jflag -gt 12 ] && _jflag=12
# make universe -DMAKE_JUST_KERNELS JFLAG=-j${_jflag}
#
# This makefile is simple by design. The FreeBSD make automatically reads
# the /usr/share/mk/sys.mk unless the -m argument is specified on the
# command line. By keeping this makefile simple, it doesn't matter too
# much how different the installed mk files are from those in the source
# tree. This makefile executes a child make process, forcing it to use
# the mk files from the source tree which are supposed to DTRT.
#
# Most of the user-driven targets (as listed above) are implemented in
# Makefile.inc1. The exceptions are universe, tinderbox and targets.
#
# If you want to build your system from source be sure that /usr/obj has
# at least 6GB of diskspace available. A complete 'universe' build requires
# about 100GB of space.
#
# For individuals wanting to build from the sources currently on their
# system, the simple instructions are:
#
# 1. `cd /usr/src' (or to the directory containing your source tree).
# 2. Define `HISTORICAL_MAKE_WORLD' variable (see README).
# 3. `make world'
#
# For individuals wanting to upgrade their sources (even if only a
# delta of a few days):
#
# 1. `cd /usr/src' (or to the directory containing your source tree).
# 2. `make buildworld'
# 3. `make buildkernel KERNCONF=YOUR_KERNEL_HERE' (default is GENERIC).
# 4. `make installkernel KERNCONF=YOUR_KERNEL_HERE' (default is GENERIC).
# [steps 3. & 4. can be combined by using the "kernel" target]
# 5. `reboot' (in single user mode: boot -s from the loader prompt).
# 6. `mergemaster -p'
# 7. `make installworld'
# 8. `mergemaster' (you may wish to use -i, along with -U or -F).
# 9. `make delete-old'
# 10. `reboot'
# 11. `make delete-old-libs' (in case no 3rd party program uses them anymore)
#
# See src/UPDATING `COMMON ITEMS' for more complete information.
#
# If TARGET=machine (e.g. powerpc, sparc64, ...) is specified you can
# cross build world for other machine types using the buildworld target,
# and once the world is built you can cross build a kernel using the
# buildkernel target.
#
# Define the user-driven targets. These are listed here in alphabetical
# order, but that's not important.
#
# Targets that begin with underscore are internal targets intended for
# developer convenience only. They are intentionally not documented and
# completely subject to change without notice.
#
# For more information, see the build(7) manual page.
#
# This is included so CC is set to ccache for -V, and COMPILER_TYPE/VERSION
# can be cached for sub-makes.
.if ${MAKE_VERSION} >= 20140620 && defined(.PARSEDIR)
.include <bsd.compiler.mk>
.endif
# Note: we use this awkward construct to be compatible with FreeBSD's
# old make used in 10.0 and 9.2 and earlier.
.if defined(MK_DIRDEPS_BUILD) && ${MK_DIRDEPS_BUILD} == "yes" && \
!make(showconfig) && !make(print-dir)
# targets/Makefile plays the role of top-level
.include "targets/Makefile"
.else
TGTS= all all-man buildenv buildenvvars buildkernel buildworld \
check check-old check-old-dirs check-old-files check-old-libs \
checkdpadd checkworld clean cleandepend cleandir cleanworld \
delete-old delete-old-dirs delete-old-files delete-old-libs \
depend distribute distributekernel distributekernel.debug \
distributeworld distrib-dirs distribution doxygen \
everything hier hierarchy install installcheck installkernel \
installkernel.debug packagekernel packageworld \
reinstallkernel reinstallkernel.debug \
installworld kernel-toolchain libraries lint maninstall \
obj objlink rerelease showconfig tags toolchain update \
_worldtmp _legacy _bootstrap-tools _cleanobj _obj \
_build-tools _cross-tools _includes _libraries \
build32 distribute32 install32 buildsoft distributesoft installsoft \
builddtb xdev xdev-build xdev-install \
xdev-links native-xtools stageworld stagekernel stage-packages \
create-world-packages create-kernel-packages create-packages \
packages installconfig real-packages sign-packages package-pkg \
print-dir test-system-compiler
# XXX: r156740: This can't work since bsd.subdir.mk is not included ever.
# It will only work for SUBDIR_TARGETS in make.conf.
TGTS+= ${SUBDIR_TARGETS}
BITGTS= files includes
BITGTS:=${BITGTS} ${BITGTS:S/^/build/} ${BITGTS:S/^/install/}
TGTS+= ${BITGTS}
# Only some targets are allowed to use meta mode. Others get it
# disabled. In some cases, such as 'install', meta mode can be dangerous
# as a cookie may be used to prevent redundant installations (such as
# for WORLDTMP staging). For DESTDIR=/ we always want to install though.
# For other cases, such as delete-old-libs, meta mode may break
# the interactive tty prompt. The safest route is to just whitelist
# the ones that benefit from it.
META_TGT_WHITELIST+= \
_* build32 buildfiles buildincludes buildkernel buildsoft \
buildworld everything kernel-toolchain kernel-toolchains kernel \
kernels libraries native-xtools showconfig test-system-compiler \
tinderbox toolchain \
toolchains universe world worlds xdev xdev-build
.ORDER: buildworld installworld
.ORDER: buildworld distributeworld
.ORDER: buildworld buildkernel
.ORDER: installworld distribution
.ORDER: installworld installkernel
.ORDER: buildkernel installkernel
.ORDER: buildkernel installkernel.debug
.ORDER: buildkernel reinstallkernel
.ORDER: buildkernel reinstallkernel.debug
PATH= /sbin:/bin:/usr/sbin:/usr/bin
MAKEOBJDIRPREFIX?= /usr/obj
_MAKEOBJDIRPREFIX!= /usr/bin/env -i PATH=${PATH} MK_AUTO_OBJ=no ${MAKE} \
${.MAKEFLAGS:MMAKEOBJDIRPREFIX=*} __MAKE_CONF=${__MAKE_CONF} \
-f /dev/null -V MAKEOBJDIRPREFIX dummy
.if !empty(_MAKEOBJDIRPREFIX)
.error MAKEOBJDIRPREFIX can only be set in environment, not as a global\
(in make.conf(5)) or command-line variable.
.endif
# We often need to use the tree's version of make to build it.
# Choices add to complexity though.
# We cannot blindly use a make which may not be the one we want
# so be exlicit - until all choice is removed.
WANT_MAKE= bmake
.if !empty(.MAKE.MODE:Mmeta)
# 20160604 - support missing-meta,missing-filemon and performance improvements
WANT_MAKE_VERSION= 20160604
.else
# 20160220 - support .dinclude for FAST_DEPEND.
WANT_MAKE_VERSION= 20160220
.endif
MYMAKE= ${MAKEOBJDIRPREFIX}${.CURDIR}/make.${MACHINE}/${WANT_MAKE}
.if defined(.PARSEDIR)
HAVE_MAKE= bmake
.else
HAVE_MAKE= fmake
.endif
.if ${HAVE_MAKE} != ${WANT_MAKE} || \
(defined(WANT_MAKE_VERSION) && ${MAKE_VERSION} < ${WANT_MAKE_VERSION})
NEED_MAKE_UPGRADE= t
.endif
.if exists(${MYMAKE})
SUB_MAKE:= ${MYMAKE} -m ${.CURDIR}/share/mk
.elif defined(NEED_MAKE_UPGRADE)
# It may not exist yet but we may cause it to.
# In the case of fmake, upgrade_checks may cause a newer version to be built.
SUB_MAKE= `test -x ${MYMAKE} && echo ${MYMAKE} || echo ${MAKE}` \
-m ${.CURDIR}/share/mk
.else
SUB_MAKE= ${MAKE} -m ${.CURDIR}/share/mk
.endif
_MAKE= PATH=${PATH} MAKE_CMD=${MAKE} ${SUB_MAKE} -f Makefile.inc1 \
TARGET=${_TARGET} TARGET_ARCH=${_TARGET_ARCH}
# Only allow meta mode for the whitelisted targets. See META_TGT_WHITELIST
# above.
.for _tgt in ${META_TGT_WHITELIST}
.if make(${_tgt})
_CAN_USE_META_MODE?= yes
.endif
.endfor
.if !defined(_CAN_USE_META_MODE)
_MAKE+= MK_META_MODE=no
.if defined(.PARSEDIR)
.unexport META_MODE
.endif
.elif defined(MK_META_MODE) && ${MK_META_MODE} == "yes"
.if !exists(/dev/filemon) && !defined(NO_FILEMON) && !make(showconfig)
# Require filemon be loaded to provide a working incremental build
.error ${.newline}ERROR: The filemon module (/dev/filemon) is not loaded. \
${.newline}ERROR: WITH_META_MODE is enabled but requires filemon for an incremental build. \
${.newline}ERROR: 'kldload filemon' or pass -DNO_FILEMON to suppress this error.
.endif # !exists(/dev/filemon) && !defined(NO_FILEMON)
.endif # !defined(_CAN_USE_META_MODE)
# Guess machine architecture from machine type, and vice versa.
.if !defined(TARGET_ARCH) && defined(TARGET)
_TARGET_ARCH= ${TARGET:S/arm64/aarch64/}
.elif !defined(TARGET) && defined(TARGET_ARCH) && \
${TARGET_ARCH} != ${MACHINE_ARCH}
_TARGET= ${TARGET_ARCH:C/mips(n32|64)?(el)?(hf)?/mips/:C/arm(v6)?(eb)?/arm/:C/aarch64/arm64/:C/powerpc64/powerpc/:C/powerpcspe/powerpc/:C/riscv64(sf)?/riscv/}
.endif
.if defined(TARGET) && !defined(_TARGET)
_TARGET=${TARGET}
.endif
.if defined(TARGET_ARCH) && !defined(_TARGET_ARCH)
_TARGET_ARCH=${TARGET_ARCH}
.endif
# for historical compatibility for xdev targets
.if defined(XDEV)
_TARGET= ${XDEV}
.endif
.if defined(XDEV_ARCH)
_TARGET_ARCH= ${XDEV_ARCH}
.endif
# Otherwise, default to current machine type and architecture.
_TARGET?= ${MACHINE}
_TARGET_ARCH?= ${MACHINE_ARCH}
.if make(print-dir)
.SILENT:
.endif
#
# Make sure we have an up-to-date make(1). Only world and buildworld
# should do this as those are the initial targets used for upgrades.
# The user can define ALWAYS_CHECK_MAKE to have this check performed
# for all targets.
#
.if defined(ALWAYS_CHECK_MAKE) || !defined(.PARSEDIR)
${TGTS}: upgrade_checks
.else
buildworld: upgrade_checks
.endif
#
# Handle the user-driven targets, using the source relative mk files.
#
tinderbox toolchains kernel-toolchains: .MAKE
${TGTS}: .PHONY .MAKE
${_+_}@cd ${.CURDIR}; ${_MAKE} ${.TARGET}
# The historic default "all" target creates files which may cause stale
# or (in the cross build case) unlinkable results. Fail with an error
# when no target is given. The users can explicitly specify "all"
# if they want the historic behavior.
.MAIN: _guard
_guard: .PHONY
@echo
@echo "Explicit target required. Likely \"${SUBDIR_OVERRIDE:Dall:Ubuildworld}\" is wanted. See build(7)."
@echo
@false
STARTTIME!= LC_ALL=C date
CHECK_TIME!= find ${.CURDIR}/sys/sys/param.h -mtime -0s ; echo
.if !empty(CHECK_TIME)
.error check your date/time: ${STARTTIME}
.endif
.if defined(HISTORICAL_MAKE_WORLD) || defined(DESTDIR)
#
# world
#
# Attempt to rebuild and reinstall everything. This target is not to be
# used for upgrading an existing FreeBSD system, because the kernel is
# not included. One can argue that this target doesn't build everything
# then.
#
world: upgrade_checks .PHONY
@echo "--------------------------------------------------------------"
@echo ">>> make world started on ${STARTTIME}"
@echo "--------------------------------------------------------------"
.if target(pre-world)
@echo
@echo "--------------------------------------------------------------"
@echo ">>> Making 'pre-world' target"
@echo "--------------------------------------------------------------"
${_+_}@cd ${.CURDIR}; ${_MAKE} pre-world
.endif
${_+_}@cd ${.CURDIR}; ${_MAKE} buildworld
${_+_}@cd ${.CURDIR}; ${_MAKE} installworld MK_META_MODE=no
.if target(post-world)
@echo
@echo "--------------------------------------------------------------"
@echo ">>> Making 'post-world' target"
@echo "--------------------------------------------------------------"
${_+_}@cd ${.CURDIR}; ${_MAKE} post-world
.endif
@echo
@echo "--------------------------------------------------------------"
@echo ">>> make world completed on `LC_ALL=C date`"
@echo " (started ${STARTTIME})"
@echo "--------------------------------------------------------------"
.else
world: .PHONY
@echo "WARNING: make world will overwrite your existing FreeBSD"
@echo "installation without also building and installing a new"
@echo "kernel. This can be dangerous. Please read the handbook,"
@echo "'Rebuilding world', for how to upgrade your system."
@echo "Define DESTDIR to where you want to install FreeBSD,"
@echo "including /, to override this warning and proceed as usual."
@echo ""
@echo "Bailing out now..."
@false
.endif
#
# kernel
#
# Short hand for `make buildkernel installkernel'
#
kernel: buildkernel installkernel .PHONY
#
# Perform a few tests to determine if the installed tools are adequate
# for building the world.
#
upgrade_checks: .PHONY
.if defined(NEED_MAKE_UPGRADE)
@${_+_}(cd ${.CURDIR} && ${MAKE} ${WANT_MAKE:S,^f,,})
.endif
#
# Upgrade make(1) to the current version using the installed
# headers, libraries and tools. Also, allow the location of
# the system bsdmake-like utility to be overridden.
#
MMAKEENV= MAKEOBJDIRPREFIX=${MYMAKE:H} \
DESTDIR= \
INSTALL="sh ${.CURDIR}/tools/install.sh"
MMAKE= ${MMAKEENV} ${MAKE} \
MAN= -DNO_SHARED \
-DNO_CPU_CFLAGS -DNO_WERROR \
-DNO_SUBDIR \
DESTDIR= PROGNAME=${MYMAKE:T}
bmake: .PHONY
@echo
@echo "--------------------------------------------------------------"
@echo ">>> Building an up-to-date ${.TARGET}(1)"
@echo "--------------------------------------------------------------"
${_+_}@cd ${.CURDIR}/usr.bin/${.TARGET}; \
${MMAKE} obj; \
${MMAKE} depend; \
${MMAKE} all; \
${MMAKE} install DESTDIR=${MYMAKE:H} BINDIR=
regress: .PHONY
@echo "'make regress' has been renamed 'make check'" | /usr/bin/fmt
@false
tinderbox toolchains kernel-toolchains kernels worlds: upgrade_checks
tinderbox: .PHONY
@cd ${.CURDIR}; ${SUB_MAKE} DOING_TINDERBOX=YES universe
toolchains: .PHONY
@cd ${.CURDIR}; ${SUB_MAKE} UNIVERSE_TARGET=toolchain universe
kernel-toolchains: .PHONY
@cd ${.CURDIR}; ${SUB_MAKE} UNIVERSE_TARGET=kernel-toolchain universe
kernels: .PHONY
@cd ${.CURDIR}; ${SUB_MAKE} UNIVERSE_TARGET=buildkernel universe
worlds: .PHONY
@cd ${.CURDIR}; ${SUB_MAKE} UNIVERSE_TARGET=buildworld universe
#
# universe
#
# Attempt to rebuild *everything* for all supported architectures,
# with a reasonable chance of success, regardless of how old your
# existing system is.
#
.if make(universe) || make(universe_kernels) || make(tinderbox) || make(targets)
TARGETS?=amd64 arm arm64 i386 mips powerpc sparc64
_UNIVERSE_TARGETS= ${TARGETS}
TARGET_ARCHES_arm?= arm armeb armv6
TARGET_ARCHES_arm64?= aarch64
TARGET_ARCHES_mips?= mipsel mips mips64el mips64 mipsn32 mipselhf mipshf mips64elhf mips64hf
TARGET_ARCHES_powerpc?= powerpc powerpc64 powerpcspe
.for target in ${TARGETS}
TARGET_ARCHES_${target}?= ${target}
.endfor
# XXX Remove arm64 from universe if the required binutils package is missing.
# It does not build with the in-tree linker.
.if !exists(/usr/local/aarch64-freebsd/bin/ld) && ${TARGETS:Marm64}
_UNIVERSE_TARGETS:= ${_UNIVERSE_TARGETS:Narm64}
universe: universe_arm64_skip .PHONY
universe_epilogue: universe_arm64_skip .PHONY
universe_arm64_skip: universe_prologue .PHONY
@echo ">> arm64 skipped - install aarch64-binutils port or package to build"
.endif
.if defined(UNIVERSE_TARGET)
MAKE_JUST_WORLDS= YES
.else
UNIVERSE_TARGET?= buildworld
.endif
KERNSRCDIR?= ${.CURDIR}/sys
targets: .PHONY
@echo "Supported TARGET/TARGET_ARCH pairs for world and kernel targets"
.for target in ${TARGETS}
.for target_arch in ${TARGET_ARCHES_${target}}
@echo " ${target}/${target_arch}"
.endfor
.endfor
.if defined(DOING_TINDERBOX)
FAILFILE=${.CURDIR}/_.tinderbox.failed
MAKEFAIL=tee -a ${FAILFILE}
.else
MAKEFAIL=cat
.endif
universe_prologue: upgrade_checks
universe: universe_prologue
universe_prologue: .PHONY
@echo "--------------------------------------------------------------"
@echo ">>> make universe started on ${STARTTIME}"
@echo "--------------------------------------------------------------"
.if defined(DOING_TINDERBOX)
@rm -f ${FAILFILE}
.endif
.for target in ${_UNIVERSE_TARGETS}
universe: universe_${target}
universe_epilogue: universe_${target}
universe_${target}: universe_${target}_prologue .PHONY
universe_${target}_prologue: universe_prologue .PHONY
@echo ">> ${target} started on `LC_ALL=C date`"
universe_${target}_worlds: .PHONY
.if !defined(MAKE_JUST_KERNELS)
universe_${target}_done: universe_${target}_worlds .PHONY
.for target_arch in ${TARGET_ARCHES_${target}}
universe_${target}_worlds: universe_${target}_${target_arch} .PHONY
universe_${target}_${target_arch}: universe_${target}_prologue .MAKE .PHONY
@echo ">> ${target}.${target_arch} ${UNIVERSE_TARGET} started on `LC_ALL=C date`"
@(cd ${.CURDIR} && env __MAKE_CONF=/dev/null \
${SUB_MAKE} ${JFLAG} ${UNIVERSE_TARGET} \
TARGET=${target} \
TARGET_ARCH=${target_arch} \
> _.${target}.${target_arch}.${UNIVERSE_TARGET} 2>&1 || \
(echo "${target}.${target_arch} ${UNIVERSE_TARGET} failed," \
"check _.${target}.${target_arch}.${UNIVERSE_TARGET} for details" | \
${MAKEFAIL}))
@echo ">> ${target}.${target_arch} ${UNIVERSE_TARGET} completed on `LC_ALL=C date`"
.endfor
.endif # !MAKE_JUST_KERNELS
.if !defined(MAKE_JUST_WORLDS)
universe_${target}_done: universe_${target}_kernels .PHONY
universe_${target}_kernels: universe_${target}_worlds .PHONY
universe_${target}_kernels: universe_${target}_prologue .MAKE .PHONY
.if exists(${KERNSRCDIR}/${target}/conf/NOTES)
@(cd ${KERNSRCDIR}/${target}/conf && env __MAKE_CONF=/dev/null \
${SUB_MAKE} LINT > ${.CURDIR}/_.${target}.makeLINT 2>&1 || \
(echo "${target} 'make LINT' failed," \
"check _.${target}.makeLINT for details"| ${MAKEFAIL}))
.endif
@cd ${.CURDIR}; ${SUB_MAKE} ${.MAKEFLAGS} TARGET=${target} \
universe_kernels
.endif # !MAKE_JUST_WORLDS
# Tell the user the worlds and kernels have completed
universe_${target}: universe_${target}_done
universe_${target}_done:
@echo ">> ${target} completed on `LC_ALL=C date`"
.endfor
universe_kernels: universe_kernconfs .PHONY
.if !defined(TARGET)
TARGET!= uname -m
.endif
.if defined(MAKE_ALL_KERNELS)
_THINNER=cat
.else
_THINNER=xargs grep -L "^.NO_UNIVERSE" || true
.endif
KERNCONFS!= cd ${KERNSRCDIR}/${TARGET}/conf && \
find [[:upper:][:digit:]]*[[:upper:][:digit:]] \
-type f -maxdepth 0 \
! -name DEFAULTS ! -name NOTES | \
${_THINNER}
universe_kernconfs: .PHONY
.for kernel in ${KERNCONFS}
TARGET_ARCH_${kernel}!= cd ${KERNSRCDIR}/${TARGET}/conf && \
config -m ${KERNSRCDIR}/${TARGET}/conf/${kernel} 2> /dev/null | \
grep -v WARNING: | cut -f 2
.if empty(TARGET_ARCH_${kernel})
.error "Target architecture for ${TARGET}/conf/${kernel} unknown. config(8) likely too old."
.endif
universe_kernconfs: universe_kernconf_${TARGET}_${kernel}
universe_kernconf_${TARGET}_${kernel}: .MAKE
@(cd ${.CURDIR} && env __MAKE_CONF=/dev/null \
${SUB_MAKE} ${JFLAG} buildkernel \
TARGET=${TARGET} \
TARGET_ARCH=${TARGET_ARCH_${kernel}} \
KERNCONF=${kernel} \
> _.${TARGET}.${kernel} 2>&1 || \
(echo "${TARGET} ${kernel} kernel failed," \
"check _.${TARGET}.${kernel} for details"| ${MAKEFAIL}))
.endfor
universe: universe_epilogue
universe_epilogue: .PHONY
@echo "--------------------------------------------------------------"
@echo ">>> make universe completed on `LC_ALL=C date`"
@echo " (started ${STARTTIME})"
@echo "--------------------------------------------------------------"
.if defined(DOING_TINDERBOX)
@if [ -e ${FAILFILE} ] ; then \
echo "Tinderbox failed:" ;\
cat ${FAILFILE} ;\
exit 1 ;\
fi
.endif
.endif
buildLINT: .PHONY
${MAKE} -C ${.CURDIR}/sys/${_TARGET}/conf LINT
.if defined(.PARSEDIR)
# This makefile does not run in meta mode
.MAKE.MODE= normal
# Normally the things we run from here don't either.
# Using -DWITH_META_MODE
# we can buildworld with meta files created which are useful
# for debugging, but without any of the rest of a meta mode build.
MK_DIRDEPS_BUILD= no
MK_STAGING= no
# tell meta.autodep.mk to not even think about updating anything.
UPDATE_DEPENDFILE= NO
.if !make(showconfig)
.export MK_DIRDEPS_BUILD MK_STAGING UPDATE_DEPENDFILE
.endif
.if make(universe)
# we do not want a failure of one branch abort all.
MAKE_JOB_ERROR_TOKEN= no
.export MAKE_JOB_ERROR_TOKEN
.endif
.endif # bmake
.endif # DIRDEPS_BUILD