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# $NetBSD: Makefile,v 1.292 2012/04/21 08:28:00 veego 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
# /usr/share/mk/bsd.README.
# 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'.
#
# 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 ${DESTDIR}
# iso-image:
# Create CD-ROM image in RELEASEDIR/iso.
# RELEASEDIR must already have been populated by `make release'
# or equivalent.
# iso-image-source:
# Create CD-ROM image with source in RELEASEDIR/iso.
# RELEASEDIR must already have been populated by
# `make release sourcesets' or equivalent.
# live-image:
# Create bootable live image for emulators or USB stick etc.
# in RELEASEDIR/liveimage.
# RELEASEDIR must already have been populated by `make release'
# or equivalent.
# install-image:
# Create bootable installation image for USB stick etc.
# in RELEASEDIR/installimage.
# RELEASEDIR must already have been populated by `make release'
# or equivalent.
#
# Targets invoked by `make build,' in order:
# cleandir: cleans the tree.
# do-top-obj: creates the top level object directory.
# do-tools-obj: creates object directories for the host toolchain.
# do-tools: builds host toolchain.
# obj: creates object directories.
# do-distrib-dirs: creates the distribution directories.
# includes: installs include files.
# do-tools-compat: builds the "libnbcompat" library; needed for some
# random host tool programs in the source tree.
# do-lib-csu: builds and installs prerequisites from lib/csu.
# do-libgcc: builds and installs prerequisites from
# gnu/lib/crtstuff${LIBGCC_EXT} (if necessary) and
# gnu/lib/libgcc${LIBGCC_EXT}.
# do-libpcc: builds and install prerequisites from
# external/bsd/pcc/crtstuff (if necessary) and
# external/bsd/pcc/libpcc.
# do-lib-libc: builds and installs prerequisites from lib/libc.
# do-lib: builds and installs prerequisites from lib.
# do-sys-rump-dev-lib: builds and installs prerequisites from sys/rump/dev/lib
# do-sys-rump-fs-lib: builds and installs prerequisites from sys/rump/fs/lib
# do-sys-rump-kern-lib: builds and installs prereq. from sys/rump/kern/lib
# do-sys-rump-net-lib: builds and installs prerequisites from sys/rump/net/lib
# do-sys-modules: builds and installs kernel modules (used by rump binaries)
# do-ld.so: builds and installs prerequisites from libexec/ld.*_so.
# do-compat-lib-csu: builds and installs prerequisites from compat/lib/csu
# if ${MKCOMPAT} != "no".
# do-compat-libgcc: builds and installs prerequisites from
# compat/gnu/lib/crtstuff${LIBGCC_EXT} (if necessary) and
# compat/gnu/lib/libgcc${LIBGCC_EXT} if ${MKCOMPAT} != "no".
# do-compat-lib-libc: builds and installs prerequisites from compat/lib/libc
# if ${MKCOMPAT} != "no".
# do-build: builds and installs the entire system.
# do-x11: builds and installs X11 if ${MKX11} != "no"; either
# X11R7 from src/external/mit/xorg if ${X11FLAVOUR} == "Xorg"
# or X11R6 from src/x11
# do-extsrc: builds and installs extsrc if ${MKEXTSRC} != "no".
# 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 lib include gnu external crypto/external bin games
_SUBDIR+= libexec sbin usr.bin
_SUBDIR+= usr.sbin share rescue sys etc tests compat .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} gnu/usr.bin/texinfo/install-info infodir-meta
.endif
.if !defined(NOPOSTINSTALL)
${MAKEDIRTARGET} . postinstall-check
.endif

_POSTINSTALL= ${.CURDIR}/usr.sbin/postinstall/postinstall

postinstall-check: .PHONY
@echo " === Post installation checks ==="
AWK=${TOOL_AWK:Q} MAKE=${MAKE:Q} ${HOST_SH} ${_POSTINSTALL} -s ${.CURDIR} -d ${DESTDIR}/ check; if [ $$? -gt 1 ]; then exit 1; fi
@echo " ================================"

postinstall-fix: .NOTMAIN .PHONY
@echo " === Post installation fixes ==="
AWK=${TOOL_AWK:Q} MAKE=${MAKE:Q} ${HOST_SH} ${_POSTINSTALL} -s ${.CURDIR} -d ${DESTDIR}/ fix
@echo " ==============================="

postinstall-fix-obsolete: .NOTMAIN .PHONY
@echo " === Removing obsolete files ==="
AWK=${TOOL_AWK:Q} MAKE=${MAKE:Q} ${HOST_SH} ${_POSTINSTALL} -s ${.CURDIR} -d ${DESTDIR}/ fix obsolete
@echo " ==============================="


#
# Targets (in order!) called by "make build".
#
.if defined(HAVE_GCC)
.if ${HAVE_GCC} == "4"
LIBGCC_EXT=4
BUILD_CC_LIB_BASEDIR= gnu/lib
BUILD_CC_LIB_BASETARGET= gnu-lib
.else
LIBGCC_EXT=
BUILD_CC_LIB_BASEDIR= external/gpl3/gcc/lib
BUILD_CC_LIB_BASETARGET= external-gpl3-gcc-lib
.endif
.endif

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 # }
.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-tools-compat
BUILDTARGETS+= do-lib-csu
.if ${MKGCC} != "no"
BUILDTARGETS+= do-libgcc
.endif
.if ${MKPCC} != "no"
BUILDTARGET+= do-libpcc
.endif
BUILDTARGETS+= do-lib-libc
BUILDTARGETS+= do-lib
.if ${MKKMOD} != "no"
BUILDTARGETS+= do-sys-modules
.endif
BUILDTARGETS+= do-sys-rump-dev-lib do-sys-rump-fs-lib
BUILDTARGETS+= do-sys-rump-kern-lib do-sys-rump-net-lib
.if ${MKCOMPAT} != "no"
BUILDTARGETS+= do-compat-lib-csu
BUILDTARGETS+= do-compat-libgcc
BUILDTARGETS+= do-compat-lib-libc
.endif
BUILDTARGETS+= do-ld.so
BUILDTARGETS+= do-build
.if ${MKX11} != "no"
BUILDTARGETS+= do-x11
.endif
.if ${MKEXTSRC} != "no"
BUILDTARGETS+= do-extsrc
.endif
BUILDTARGETS+= do-obsolete

#
# Enforce proper ordering of some rules.
#

.ORDER: ${BUILDTARGETS}
includes-lib: .PHONY includes-include includes-sys
includes-gnu: .PHONY includes-lib

#
# 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} 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
${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
${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
${MAKEDIRTARGET} etc live-image
@echo "make ${.TARGET} started at: ${START_TIME}"
@printf "make ${.TARGET} finished at: " && date

#
# Create bootable installation images.
#

install-image: .PHONY
${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
.if defined(NBUILDJOBS)
@echo '*** WARNING: NBUILDJOBS is obsolete; use -j directly instead!'
.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

.if defined(HAVE_GCC)
.if ${USE_COMPILERCRTSTUFF} == "yes"
BUILD_CC_LIB= ${BUILD_CC_LIB_BASEDIR}/crtstuff${LIBGCC_EXT}
.endif
BUILD_CC_LIB+= ${BUILD_CC_LIB_BASEDIR}/libgcc${LIBGCC_EXT}
.elif defined(HAVE_PCC)
BUILD_CC_LIB+= external/bsd/pcc/crtstuff
BUILD_CC_LIB+= external/bsd/pcc/libpcc
.endif

.for dir in tools tools/compat lib/csu ${BUILD_CC_LIB} lib/libc lib sys/rump/dev/lib sys/rump/fs/lib sys/rump/kern/lib sys/rump/net/lib sys/modules
do-${dir:S/\//-/g}: .PHONY .MAKE
.for targ in dependall install
${MAKEDIRTARGET} ${dir} ${targ}
.endfor
.endfor

.if ${MKCOMPAT} != "no"
COMPAT_SUBDIR_LIST=lib/csu ${BUILD_CC_LIB} lib/libc
.for dir in ${COMPAT_SUBDIR_LIST}
do-compat-${dir:S/\//-/g}: .PHONY .MAKE
.for targ in dependall install
${MAKEDIRTARGET} compat ${targ} BOOTSTRAP_SUBDIRS="../../../${dir}"
.endfor
.endfor
.endif

do-top-obj: .PHONY .MAKE
${MAKEDIRTARGET} . obj NOSUBDIR=

do-tools-obj: .PHONY .MAKE
${MAKEDIRTARGET} tools obj

do-libgcc: .PHONY .MAKE
.if defined(HAVE_GCC)
.if ${MKGCC} != "no"
.if ${USE_COMPILERCRTSTUFF} == "yes"
${MAKEDIRTARGET} . do-${BUILD_CC_LIB_BASETARGET}-crtstuff${LIBGCC_EXT}
.endif
${MAKEDIRTARGET} . do-${BUILD_CC_LIB_BASETARGET}-libgcc${LIBGCC_EXT}
.endif
.endif

do-compat-libgcc: .PHONY .MAKE
.if defined(HAVE_GCC)
.if ${MKGCC} != "no"
.if ${USE_COMPILERCRTSTUFF} == "yes"
${MAKEDIRTARGET} . do-compat-${BUILD_CC_LIB_BASETARGET}-crtstuff${LIBGCC_EXT}
.endif
${MAKEDIRTARGET} . do-compat-${BUILD_CC_LIB_BASETARGET}-libgcc${LIBGCC_EXT}
.endif
.endif

do-libpcc: .PHONY .MAKE
.if defined(HAVE_PCC)
.if ${MKPCC} != "no"
.if ${USE_COMPILERCRTSTUFF} == "yes"
${MAKEDIRTARGET} . do-pcc-lib-crtstuff
.endif
${MAKEDIRTARGET} . do-pcc-lib-libpcc
.endif
.endif

do-ld.so: .PHONY .MAKE
.for targ in dependall install
${MAKEDIRTARGET} libexec/ld.elf_so ${targ}
.endfor

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"
.if ${X11FLAVOUR} == "Xorg"
${MAKEDIRTARGET} external/mit/xorg build
.else
${MAKEDIRTARGET} x11 build
.endif
.else
@echo "MKX11 is not enabled"
@false
.endif

do-extsrc: .PHONY .MAKE
.if ${MKEXTSRC} != "no"
${MAKEDIRTARGET} extsrc build
.else
@echo "MKEXTSRC 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.sys.mk>
.include <bsd.obj.mk>
.include <bsd.kernobj.mk>
.include <bsd.subdir.mk>

#
# Display current make(1) parameters
#
params: .PHONY .MAKE
${MAKEDIRTARGET} etc params
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