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# $NetBSD: Makefile,v 1.342 2025/09/23 20:12:05 rillig Exp $
#
# This is the top-level makefile for building NetBSD. For an outline of
# how to build a snapshot or release, as well as other release engineering
# information, see http://www.NetBSD.org/developers/releng/index.html
#
# Not everything you can set or do is documented in this makefile. In
# particular, you should review the files in /usr/share/mk (especially
# bsd.README) for general information on building programs and writing
# Makefiles within this structure, and see the comments in src/etc/Makefile
# for further information on installation and release set options.
#
# Variables listed below can be set on the make command line (highest
# priority), in /etc/mk.conf (middle priority), or in the environment
# (lowest priority).
#
# Variables:
# DESTDIR is the target directory for installation of the compiled
# software. It defaults to /. Note that programs are built against
# libraries installed in DESTDIR.
# MKMAN, if `no', will prevent building of manual pages.
# MKOBJDIRS, if not `no', will build object directories at
# an appropriate point in a build.
# MKSHARE, if `no', will prevent building and installing
# anything in /usr/share.
# MKUPDATE, if not `no', will avoid a `make cleandir' at the start of
# `make build', as well as having the effects listed in mk.conf(5).
# NOCLEANDIR, if defined, will avoid a `make cleandir' at the start
# of the `make build'.
# NOINCLUDES will avoid the `make includes' usually done by `make build'.
# NOBINARIES will not build binaries, only includes and libraries
#
# See mk.conf(5) for more details.
#
#
# Targets:
# build:
# Builds a full release of NetBSD in DESTDIR, except for the
# /etc configuration files.
# If BUILD_DONE is set, this is an empty target.
# distribution:
# Builds a full release of NetBSD in DESTDIR, including the /etc
# configuration files.
# buildworld:
# As per `make distribution', except that it ensures that DESTDIR
# is not the root directory.
# installworld:
# Install the distribution from DESTDIR to INSTALLWORLDDIR (which
# defaults to the root directory). Ensures that INSTALLWORLDDIR
# is not the root directory if cross compiling.
# release:
# Does a `make distribution', and then tars up the DESTDIR files
# into ${RELEASEDIR}/${RELEASEMACHINEDIR}, in release(7) format.
# (See etc/Makefile for more information on this.)
# regression-tests:
# Runs the regression tests in "regress" on this host.
# sets:
# Populate ${RELEASEDIR}/${RELEASEMACHINEDIR}/binary/sets
# from ${DESTDIR}
# sourcesets:
# Populate ${RELEASEDIR}/source/sets from ${NETBSDSRCDIR}
# syspkgs:
# Populate ${RELEASEDIR}/${RELEASEMACHINEDIR}/binary/syspkgs
# from ${DESTDIR}
# iso-image:
# Create CD-ROM image in RELEASEDIR/images.
# RELEASEDIR must already have been populated by `make release'
# or equivalent.
# iso-image-source:
# Create CD-ROM image with source in RELEASEDIR/images.
# RELEASEDIR must already have been populated by
# `make release sourcesets' or equivalent.
# live-image:
# Create bootable live image for emulators or USB stick etc.
# in RELEASEDIR/liveimage.
# RELEASEDIR must already have been populated by `make release'
# or equivalent.
# install-image:
# Create bootable installation image for USB stick etc.
# in RELEASEDIR/installimage.
# RELEASEDIR must already have been populated by `make release'
# or equivalent.
#
# Targets invoked by `make build,' in order:
# cleandir: cleans the tree.
# do-top-obj: creates the top level object directory.
# do-tools-obj: creates object directories for the host toolchain.
# do-tools: builds host toolchain.
# params: create params file with various make(1) parameters.
# show-params: show various make(1) parameters.
# obj: creates object directories.
# do-distrib-dirs: creates the distribution directories.
# includes: installs include files.
# do-lib: builds and installs prerequisites from lib.
# do-compat-lib: builds and installs prerequisites from compat/lib
# if ${MKCOMPAT} != "no".
# do-x11: builds and installs X11 tools and libraries
# from src/external/mit/xorg if ${MKX11} != "no".
# do-build: builds and installs the entire system.
# do-obsolete: installs the obsolete sets (for the postinstall-* targets).
#
.if ${.MAKEFLAGS:M${.CURDIR}/share/mk} == ""
.MAKEFLAGS: -m ${.CURDIR}/share/mk
.endif
#
# If _SRC_TOP_OBJ_ gets set here, we will end up with a directory that may
# not be the top level objdir, because "make obj" can happen in the *middle*
# of "make build" (long after <bsd.own.mk> is calculated it). So, pre-set
# _SRC_TOP_OBJ_ here so it will not be added to ${.MAKEOVERRIDES}.
#
_SRC_TOP_OBJ_=
.include <bsd.own.mk>
#
# Sanity check: make sure that "make build" is not invoked simultaneously
# with a standard recursive target.
#
.if make(build) || make(release) || make(snapshot)
.for targ in ${TARGETS:Nobj:Ncleandir}
.if make(${targ}) && !target(.BEGIN)
.BEGIN:
@echo 'BUILD ABORTED: "make build" and "make ${targ}" are mutually exclusive.'
@false
.endif
.endfor
.endif
#
# _SUBDIR is used to set SUBDIR, after removing directories that have
# BUILD_${dir}=no, or that have no ${dir}/Makefile.
#
_SUBDIR= tools .WAIT lib
.if ${MKLLVM} != "no"
_SUBDIR+= external/bsd/compiler_rt
.endif
_SUBDIR+= include external crypto/external bin
_SUBDIR+= games libexec sbin usr.bin
_SUBDIR+= usr.sbin share sys etc tests compat
_SUBDIR+= .WAIT rescue .WAIT distrib regress
.for dir in ${_SUBDIR}
.if "${dir}" == ".WAIT" \
|| (${BUILD_${dir}:Uyes} != "no" && exists(${dir}/Makefile))
SUBDIR+= ${dir}
.endif
.endfor
.if exists(regress)
regression-tests: .PHONY .MAKE
@echo Running regression tests...
${MAKEDIRTARGET} regress regress
.endif
.if ${MKUNPRIVED} != "no"
NOPOSTINSTALL= # defined
.endif
afterinstall: .PHONY .MAKE
.if ${MKMAN} != "no"
${MAKEDIRTARGET} share/man makedb
.endif
.if (${MKUNPRIVED} != "no" && ${MKINFO} != "no")
${MAKEDIRTARGET} external/gpl2/texinfo/bin/install-info infodir-meta
.endif
.if !defined(NOPOSTINSTALL)
${MAKEDIRTARGET} . postinstall-check
.endif
_POSTINSTALL= ${:!cd ${.CURDIR}/usr.sbin/postinstall && \
${MAKE} -B -v .OBJDIR!}/postinstall \
-m ${MACHINE} -a ${MACHINE_ARCH}
_POSTINSTALL_ENV= \
AWK=${TOOL_AWK:Q} \
DB=${TOOL_DB:Q} \
HOST_SH=${HOST_SH:Q} \
MAKE=${MAKE:Q} \
PWD_MKDB=${TOOL_PWD_MKDB:Q} \
SED=${TOOL_SED:Q} \
STAT=${TOOL_STAT:Q}
.if ${MKX11} != "no"
_POSTINSTALL_X11=-x ${X11SRCDIR:Q}
.endif
postinstall-check: .PHONY
@echo " === Post installation checks ==="
${_POSTINSTALL_ENV} ${HOST_SH} ${_POSTINSTALL} -s ${.CURDIR} ${_POSTINSTALL_X11} -d ${DESTDIR:C/^\/$//}/ check; if [ $$? -gt 1 ]; then exit 1; fi
@echo " ================================"
postinstall-fix: .NOTMAIN .PHONY
@echo " === Post installation fixes ==="
${_POSTINSTALL_ENV} ${HOST_SH} ${_POSTINSTALL} -s ${.CURDIR} ${_POSTINSTALL_X11} -d ${DESTDIR:C/^\/$//}/ fix
@echo " ==============================="
postinstall-fix-obsolete: .NOTMAIN .PHONY
@echo " === Removing obsolete files ==="
${_POSTINSTALL_ENV} ${HOST_SH} ${_POSTINSTALL} -s ${.CURDIR} ${_POSTINSTALL_X11} -d ${DESTDIR:C/^\/$//}/ fix obsolete
@echo " ==============================="
postinstall-fix-obsolete_stand: .NOTMAIN .PHONY
@echo " === Removing obsolete files ==="
${_POSTINSTALL_ENV} ${HOST_SH} ${_POSTINSTALL} -s ${.CURDIR} ${_POSTINSTALL_X11} -d ${DESTDIR:C/^\/$//}/ fix obsolete_stand
${_POSTINSTALL_ENV} ${HOST_SH} ${_POSTINSTALL} -s ${.CURDIR} ${_POSTINSTALL_X11} -d ${DESTDIR:C/^\/$//}/ fix obsolete_stand_debug
@echo " ==============================="
#
# Targets (in order!) called by "make build".
#
BUILDTARGETS+= check-tools
.if ${MKUPDATE} == "no" && !defined(NOCLEANDIR)
BUILDTARGETS+= cleandir
.endif
.if ${MKOBJDIRS} != "no"
BUILDTARGETS+= do-top-obj
.endif
.if ${USETOOLS} == "yes" # {
.if ${MKOBJDIRS} != "no"
BUILDTARGETS+= do-tools-obj
.endif
BUILDTARGETS+= do-tools
.endif # USETOOLS # }
BUILDTARGETS+= params
.if ${MKOBJDIRS} != "no"
BUILDTARGETS+= obj
.endif
BUILDTARGETS+= clean_METALOG
.if !defined(NODISTRIBDIRS)
BUILDTARGETS+= do-distrib-dirs
.endif
.if !defined(NOINCLUDES)
BUILDTARGETS+= includes
.endif
BUILDTARGETS+= do-lib
BUILDTARGETS+= do-compat-lib
.if ${MKLLVM} != "no"
BUILDTARGETS+= do-sanitizer
.if ${MKSANITIZER:Uno} == "yes"
BUILDTARGETS+= do-sanitizer-tools
.endif
.endif
.if ${MKX11} != "no"
BUILDTARGETS+= do-x11
.endif
.if !defined(NOBINARIES)
BUILDTARGETS+= do-build
BUILDTARGETS+= do-obsolete
.endif
#
# Enforce proper ordering of some rules.
#
.ORDER: ${BUILDTARGETS}
includes-lib: .PHONY includes-include includes-sys
#
# Record the values of variables that might affect the build.
# If no values have changed, avoid updating the timestamp
# of the params file.
#
# This is referenced by _NETBSD_VERSION_DEPENDS in <bsd.own.mk>.
#
.include "${NETBSDSRCDIR}/etc/Makefile.params"
CLEANDIRFILES+= params
params: .EXEC
${_MKMSG_CREATE} params
@${:D make}${PRINT_PARAMS} >${.TARGET}.new
@if cmp -s ${.TARGET}.new ${.TARGET} > /dev/null 2>&1; then \
: "params is unchanged" ; \
rm ${.TARGET}.new ; \
else \
: "params has changed or is new" ; \
mv ${.TARGET}.new ${.TARGET} ; \
fi
#
# Display current make(1) parameters
#
show-params: .PHONY .MAKE
@${PRINT_PARAMS}
#
# Build the system and install into DESTDIR.
#
START_TIME!= date
build: .PHONY .MAKE
.if defined(BUILD_DONE)
@echo "Build already installed into ${DESTDIR}"
.else
@echo "Build started at: ${START_TIME}"
.for tgt in ${BUILDTARGETS}
${MAKEDIRTARGET} . ${tgt}
.endfor
${MAKEDIRTARGET} etc install-etc-release
@echo "Build started at: ${START_TIME}"
@printf "Build finished at: " && date
.endif
#
# Build a full distribution, but not a release (i.e. no sets into
# ${RELEASEDIR}). "buildworld" enforces a build to ${DESTDIR} != /
#
distribution buildworld: .PHONY .MAKE
.if make(buildworld) && \
(!defined(DESTDIR) || ${DESTDIR} == "" || ${DESTDIR} == "/")
@echo "Won't make ${.TARGET} with DESTDIR=/"
@false
.endif
${MAKEDIRTARGET} . build NOPOSTINSTALL=1
${MAKEDIRTARGET} etc distribution INSTALL_DONE=1
.if defined(DESTDIR) && ${DESTDIR} != "" && ${DESTDIR} != "/"
${MAKEDIRTARGET} . postinstall-fix-obsolete
${MAKEDIRTARGET} . postinstall-fix-obsolete_stand
${:D make}${MAKEDIRTARGET} distrib/sets checkflist
.endif
@echo "make ${.TARGET} started at: ${START_TIME}"
@printf "make ${.TARGET} finished at: " && date
#
# Install the distribution from $DESTDIR to $INSTALLWORLDDIR (defaults to `/')
# If installing to /, ensures that the host's operating system is NetBSD and
# the host's `uname -m` == ${MACHINE}.
#
HOST_UNAME_S!= uname -s
HOST_UNAME_M!= uname -m
installworld: .PHONY .MAKE
.if (!defined(DESTDIR) || ${DESTDIR} == "" || ${DESTDIR} == "/")
@echo "Can't make ${.TARGET} to DESTDIR=/"
@false
.endif
.if !defined(INSTALLWORLDDIR) || \
${INSTALLWORLDDIR} == "" || ${INSTALLWORLDDIR} == "/"
.if (${HOST_UNAME_S} != "NetBSD")
@echo "Won't cross-make ${.TARGET} from ${HOST_UNAME_S} to NetBSD with INSTALLWORLDDIR=/"
@false
.endif
.if (${HOST_UNAME_M} != ${MACHINE})
@echo "Won't cross-make ${.TARGET} from ${HOST_UNAME_M} to ${MACHINE} with INSTALLWORLDDIR=/"
@false
.endif
.endif
${MAKEDIRTARGET} distrib/sets installsets \
INSTALLDIR=${INSTALLWORLDDIR:U/} INSTALLSETS=${INSTALLSETS:Q}
${MAKEDIRTARGET} . postinstall-check DESTDIR=${INSTALLWORLDDIR}
@echo "make ${.TARGET} started at: ${START_TIME}"
@printf "make ${.TARGET} finished at: " && date
#
# Install modules from $DESTDIR to $INSTALLMODULESDIR
#
installmodules: .PHONY .MAKE
.if (!defined(DESTDIR) || ${DESTDIR} == "" || ${DESTDIR} == "/")
@echo "Can't make ${.TARGET} to DESTDIR=/"
@false
.endif
.if !defined(INSTALLMODULESDIR) || \
${INSTALLMODULESDIR} == "" || ${INSTALLMODULESDIR} == "/"
.if (${HOST_UNAME_S} != "NetBSD")
@echo "Won't cross-make ${.TARGET} from ${HOST_UNAME_S} to NetBSD with INSTALLMODULESDIR=/"
@false
.endif
.if (${HOST_UNAME_M} != ${MACHINE})
@echo "Won't cross-make ${.TARGET} from ${HOST_UNAME_M} to ${MACHINE} with INSTALLMODULESDIR=/"
@false
.endif
.endif
${MAKEDIRTARGET} sys/modules install DESTDIR=${INSTALLMODULESDIR:U/}
@echo "make ${.TARGET} started at: ${START_TIME}"
@printf "make ${.TARGET} finished at: " && date
#
# Create sets from $DESTDIR or $NETBSDSRCDIR into $RELEASEDIR
#
.for tgt in sets sourcesets syspkgs
${tgt}: .PHONY .MAKE
${MAKEDIRTARGET} distrib/sets ${tgt}
.endfor
#
# Build a release or snapshot (implies "make distribution"). Note that
# in this case, the set lists will be checked before the tar files
# are made.
#
release snapshot: .PHONY .MAKE
${MAKEDIRTARGET} . distribution
${MAKEDIRTARGET} etc release DISTRIBUTION_DONE=1
@echo "make ${.TARGET} started at: ${START_TIME}"
@printf "make ${.TARGET} finished at: " && date
#
# Create a CD-ROM image.
#
iso-image: .PHONY .MAKE
${MAKEDIRTARGET} distrib iso_image
${MAKEDIRTARGET} etc iso-image
@echo "make ${.TARGET} started at: ${START_TIME}"
@printf "make ${.TARGET} finished at: " && date
iso-image-source: .PHONY .MAKE
${MAKEDIRTARGET} distrib iso_image CDSOURCE=true
${MAKEDIRTARGET} etc iso-image
@echo "make ${.TARGET} started at: ${START_TIME}"
@printf "make ${.TARGET} finished at: " && date
#
# Create bootable live images.
#
live-image: .PHONY .MAKE
${MAKEDIRTARGET} etc live-image
@echo "make ${.TARGET} started at: ${START_TIME}"
@printf "make ${.TARGET} finished at: " && date
#
# Create bootable installation images.
#
install-image: .PHONY .MAKE
${MAKEDIRTARGET} etc install-image
@echo "make ${.TARGET} started at: ${START_TIME}"
@printf "make ${.TARGET} finished at: " && date
#
# Special components of the "make build" process.
#
check-tools: .PHONY
.if ${TOOLCHAIN_MISSING} != "no" && !defined(EXTERNAL_TOOLCHAIN)
@echo '*** WARNING: Building on MACHINE=${MACHINE} with missing toolchain.'
@echo '*** May result in a failed build or corrupt binaries!'
.elif defined(EXTERNAL_TOOLCHAIN)
@echo '*** Using external toolchain rooted at ${EXTERNAL_TOOLCHAIN}.'
.endif
# Delete or sanitise a leftover METALOG from a previous build.
clean_METALOG: .PHONY .MAKE
.if ${MKUPDATE} != "no"
${MAKEDIRTARGET} distrib/sets clean_METALOG
.endif
do-distrib-dirs: .PHONY .MAKE
.if !defined(DESTDIR) || ${DESTDIR} == ""
${MAKEDIRTARGET} etc distrib-dirs DESTDIR=/
.else
${MAKEDIRTARGET} etc distrib-dirs DESTDIR=${DESTDIR}
.endif
.for targ in cleandir obj includes
do-${targ}: .PHONY ${targ}
@true
.endfor
do-tools: .PHONY .MAKE
${MAKEDIRTARGET} tools build_install
do-lib: .PHONY .MAKE
${MAKEDIRTARGET} lib build_install
do-compat-lib: .PHONY .MAKE
${MAKEDIRTARGET} compat build_install BOOTSTRAP_SUBDIRS="../../../lib"
do-sanitizer: .PHONY .MAKE
${MAKEDIRTARGET} external/bsd/compiler_rt build_install
do-sanitizer-tools: .PHONY .MAKE
.if !exists(${TOOLDIR}/lib/clang) && ${HAVE_LLVM:Uno} == "yes"
mkdir -p ${TOOLDIR}/lib/clang
cd ${DESTDIR}/usr/lib/clang && \
${TOOL_PAX} -rw . ${TOOLDIR}/lib/clang
.endif
do-top-obj: .PHONY .MAKE
${MAKEDIRTARGET} . obj NOSUBDIR=
do-tools-obj: .PHONY .MAKE
${MAKEDIRTARGET} tools obj
do-build: .PHONY .MAKE
.for targ in dependall install
${MAKEDIRTARGET} . ${targ} BUILD_tools=no BUILD_lib=no
.endfor
do-x11: .PHONY .MAKE
.if ${MKX11} != "no"
${MAKEDIRTARGET} external/mit/xorg/tools all
${MAKEDIRTARGET} external/mit/xorg/lib build_install
.if ${MKCOMPATX11} != "no"
${MAKEDIRTARGET} compat build_install BOOTSTRAP_SUBDIRS="../../../external/mit/xorg/lib"
.endif
.else
@echo "MKX11 is not enabled"
@false
.endif
do-obsolete: .PHONY .MAKE
${MAKEDIRTARGET} etc install-obsolete-lists
#
# Speedup stubs for some subtrees that don't need to run these rules.
# (Tells <bsd.subdir.mk> not to recurse for them.)
#
.for dir in bin etc distrib games libexec regress sbin usr.bin usr.sbin tools
includes-${dir}: .PHONY
@true
.endfor
.for dir in etc distrib regress
install-${dir}: .PHONY
@true
.endfor
#
# XXX this needs to change when distrib Makefiles are recursion compliant
# XXX many distrib subdirs need "cd etc && make snap_pre snap_kern" first...
#
dependall-distrib depend-distrib all-distrib: .PHONY
@true
.include <bsd.obj.mk>
.include <bsd.kernobj.mk>
.include <bsd.subdir.mk>
.include <bsd.clean.mk>