NetBSD/Makefile

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Makefile
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# $NetBSD: Makefile,v 1.209 2003/07/06 13:04:01 lukem Exp $
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#
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# 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.
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# MKMAN, if set to `no', will prevent building of manual pages.
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# MKOBJDIRS, if not set to `no', will build object directories at
# an appropriate point in a build.
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# MKSHARE, if set to `no', will prevent building and installing
# anything in /usr/share.
# UPDATE, if defined, will avoid a `make cleandir' at the start of
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# `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
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# of the `make build'.
# NOINCLUDES will avoid the `make includes' usually done by `make build'.
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#
# 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 the not root directory if cross compiling.
# release:
# Does a `make build', and then tars up the DESTDIR files
# into RELEASEDIR/${MACHINE}, 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 ${RELEASEDIR}/${MACHINE}/binary/sets from ${DESTDIR}
# sourcesets:
# Populate ${RELEASEDIR}/source/sets from ${NETBSDSRCDIR}
#
# Targets invoked by `make build,' in order:
# cleandir: cleans the tree.
# obj: creates object directories.
# do-tools: builds host toolchain.
# 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-gnu-lib-libgcc: builds and installs prerequisites from gnu/lib/libgcc
# do-lib-csu: builds and installs prerequisites from lib/csu.
# do-lib-libc: builds and installs prerequisites from lib/libc.
# do-lib: builds and installs prerequisites from lib.
# do-gnu-lib: builds and installs prerequisites from gnu/lib.
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# do-ld.so: builds and installs prerequisites from libexec/ld.*_so.
# do-build: builds and installs the entire system.
# do-obsolete: builds and installs the entire system.
#
.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= tools lib include gnu bin games libexec sbin usr.bin
_SUBDIR+= usr.sbin share rescue sys etc .WAIT distrib regress
#
# Weed out directories that don't exist.
#
.for dir in ${_SUBDIR}
.if exists(${dir}/Makefile) && (${BUILD_${dir}:Uyes} != "no")
SUBDIR+= ${dir}
.endif
.endfor
.if exists(regress)
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regression-tests:
@echo Running regression tests...
@(cd ${.CURDIR}/regress && ${MAKE} regress)
.endif
.if defined(UNPRIVED)
NOPOSTINSTALL= # defined
.endif
afterinstall:
.if ${MKMAN} != "no"
(cd ${.CURDIR}/share/man && ${MAKE} makedb)
.endif
.if defined(UNPRIVED) && (${MKINFO} != "no")
(cd ${.CURDIR}/gnu/usr.bin/texinfo/install-info && ${MAKE} infodir-meta)
.endif
.if !defined(NOPOSTINSTALL)
(cd ${.CURDIR} && ${MAKE} postinstall-check)
.endif
postinstall-check:
@echo " === Post installation checks ==="
sh ${.CURDIR}/etc/postinstall -s ${.CURDIR} -d ${DESTDIR}/ check
@echo " ================================"
postinstall-fix: .NOTMAIN
@echo " === Post installation fixes ==="
sh ${.CURDIR}/etc/postinstall -s ${.CURDIR} -d ${DESTDIR}/ fix
@echo " ================================"
#
# Targets (in order!) called by "make build".
#
BUILDTARGETS+= check-tools
.if !defined(UPDATE) && !defined(NOCLEANDIR)
BUILDTARGETS+= cleandir
.endif
.if ${MKOBJDIRS} != "no"
BUILDTARGETS+= obj
.endif
.if ${USETOOLS} == "yes"
BUILDTARGETS+= do-tools
.endif
.if !defined(NODISTRIBDIRS)
BUILDTARGETS+= do-distrib-dirs
.endif
.if !defined(NOINCLUDES)
BUILDTARGETS+= includes
.endif
BUILDTARGETS+= do-tools-compat
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.if ${MKGCC} != "no"
BUILDTARGETS+= do-gnu-lib-libgcc
.endif
BUILDTARGETS+= do-lib-csu do-lib-libc do-lib do-gnu-lib do-ld.so do-build
BUILDTARGETS+= do-obsolete
#
# Enforce proper ordering of some rules.
#
.ORDER: ${BUILDTARGETS}
includes-lib: includes-include includes-sys
includes-gnu: includes-lib
#
# Build the system and install into DESTDIR.
#
START_TIME!= date
build:
.if defined(BUILD_DONE)
@echo "Build already installed into ${DESTDIR}"
.else
@echo "Build started at: ${START_TIME}"
.for tgt in ${BUILDTARGETS}
@(cd ${.CURDIR} && ${MAKE} ${tgt})
.endfor
@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:
.if make(buildworld) && \
(!defined(DESTDIR) || ${DESTDIR} == "" || ${DESTDIR} == "/")
@echo "Won't make ${.TARGET} with DESTDIR=/"
@false
.endif
(cd ${.CURDIR} && ${MAKE} NOPOSTINSTALL=1 build)
(cd ${.CURDIR}/etc && ${MAKE} INSTALL_DONE=1 distribution)
.if defined(DESTDIR) && ${DESTDIR} != "" && ${DESTDIR} != "/"
(cd ${.CURDIR}/distrib/sets && ${MAKE} 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:
.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
(cd ${.CURDIR}/distrib/sets && \
${MAKE} INSTALLDIR=${INSTALLWORLDDIR:U/} INSTALLSETS= installsets)
(cd ${.CURDIR} && \
${MAKE} DESTDIR=${INSTALLWORLDDIR} postinstall-check)
@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
${tgt}:
(cd ${.CURDIR}/distrib/sets && ${MAKE} $@)
.endfor
#
# Build a release or snapshot (implies "make build"). Note that
# in this case, the set lists will be checked before the tar files
# are made.
#
release snapshot:
(cd ${.CURDIR} && ${MAKE} NOPOSTINSTALL=1 build)
(cd ${.CURDIR}/etc && ${MAKE} INSTALL_DONE=1 release)
@echo "make ${.TARGET} started at: ${START_TIME}"
@printf "make ${.TARGET} finished at: " && date
#
# Special components of the "make build" process.
#
check-tools:
.if ${TOOLCHAIN_MISSING} == "yes" && !defined(EXTERNAL_TOOLCHAIN)
@echo '*** WARNING: Building on MACHINE=${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
do-distrib-dirs:
.if !defined(DESTDIR) || ${DESTDIR} == ""
(cd ${.CURDIR}/etc && ${MAKE} DESTDIR=/ distrib-dirs)
.else
(cd ${.CURDIR}/etc && ${MAKE} DESTDIR=${DESTDIR} distrib-dirs)
.endif
.for targ in cleandir obj includes
do-${targ}: ${targ}
@true
.endfor
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.for dir in tools tools/compat lib/csu gnu/lib/libgcc lib/libc lib gnu/lib
do-${dir:S/\//-/g}:
.for targ in dependall install
(cd ${.CURDIR}/${dir} && ${MAKE} ${targ})
.endfor
.endfor
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do-ld.so:
.for targ in dependall install
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.if (${OBJECT_FMT} == "a.out")
(cd ${.CURDIR}/libexec/ld.aout_so && ${MAKE} ${targ})
.endif
.if (${OBJECT_FMT} == "ELF")
(cd ${.CURDIR}/libexec/ld.elf_so && ${MAKE} ${targ})
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.endif
.endfor
do-build:
.for targ in dependall install
(cd ${.CURDIR} && ${MAKE} ${targ} BUILD_tools=no BUILD_lib=no)
.endfor
do-obsolete:
(cd ${.CURDIR}/etc && ${MAKE} install-obsolete-lists)
#
# Speedup stubs for some subtrees that don't need to run these rules.
# (Tells <bsd.subdir.mk> not to recurse for them.)
#
.for dir in bin etc distrib games libexec regress sbin usr.sbin tools
includes-${dir}:
@true
.endfor
.for dir in etc distrib regress
install-${dir}:
@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:
@true
.include <bsd.obj.mk>
.include <bsd.kernobj.mk>
.include <bsd.subdir.mk>
build-docs: ${.CURDIR}/BUILDING
${.CURDIR}/BUILDING: doc/BUILDING.mdoc
groff -mdoc -Tascii -P-b -P-u -P-o $> >$@
#
# Display current make(1) parameters
#
params:
.for var in BSDSRCDIR BSDOBJDIR BUILDID DESTDIR EXTERNAL_TOOLCHAIN \
KERNARCHDIR KERNCONFDIR KERNOBJDIR KERNSRCDIR \
MACHINE MACHINE_ARCH MAKEFLAGS MAKEOBJDIR MAKEOBJDIRPREFIX \
MKOBJDIRS RELEASEDIR TOOLCHAIN_MISSING TOOLDIR \
UNPRIVED UPDATE USETOOLS
.if defined(${var})
@printf "%20s = '%-s'\n" ${var} ${${var}:Q}
.else
@printf "%20s = (undefined)\n" ${var}
.endif
.endfor