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      1 #	$NetBSD: Makefile,v 1.253 2008/05/22 14:13:58 lukem Exp $
      2 
      3 #
      4 # This is the top-level makefile for building NetBSD. For an outline of
      5 # how to build a snapshot or release, as well as other release engineering
      6 # information, see http://www.NetBSD.org/developers/releng/index.html
      7 #
      8 # Not everything you can set or do is documented in this makefile. In
      9 # particular, you should review the files in /usr/share/mk (especially
     10 # bsd.README) for general information on building programs and writing
     11 # Makefiles within this structure, and see the comments in src/etc/Makefile
     12 # for further information on installation and release set options.
     13 #
     14 # Variables listed below can be set on the make command line (highest
     15 # priority), in /etc/mk.conf (middle priority), or in the environment
     16 # (lowest priority).
     17 #
     18 # Variables:
     19 #   DESTDIR is the target directory for installation of the compiled
     20 #	software. It defaults to /. Note that programs are built against
     21 #	libraries installed in DESTDIR.
     22 #   MKMAN, if `no', will prevent building of manual pages.
     23 #   MKOBJDIRS, if not `no', will build object directories at
     24 #	an appropriate point in a build.
     25 #   MKSHARE, if `no', will prevent building and installing
     26 #	anything in /usr/share.
     27 #   MKUPDATE, if not `no', will avoid a `make cleandir' at the start of
     28 #	`make build', as well as having the effects listed in
     29 #	/usr/share/mk/bsd.README.
     30 #   NOCLEANDIR, if defined, will avoid a `make cleandir' at the start
     31 #	of the `make build'.
     32 #   NOINCLUDES will avoid the `make includes' usually done by `make build'.
     33 #
     34 #   See mk.conf(5) for more details.
     35 #
     36 #
     37 # Targets:
     38 #   build:
     39 #	Builds a full release of NetBSD in DESTDIR, except for the
     40 #	/etc configuration files.
     41 #	If BUILD_DONE is set, this is an empty target.
     42 #   distribution:
     43 #	Builds a full release of NetBSD in DESTDIR, including the /etc
     44 #	configuration files.
     45 #   buildworld:
     46 #	As per `make distribution', except that it ensures that DESTDIR
     47 #	is not the root directory.
     48 #   installworld:
     49 #	Install the distribution from DESTDIR to INSTALLWORLDDIR (which
     50 #	defaults to the root directory).  Ensures that INSTALLWORLDDIR
     51 #	is the not root directory if cross compiling.
     52 #   release:
     53 #	Does a `make distribution', and then tars up the DESTDIR files
     54 #	into ${RELEASEDIR}/${RELEASEMACHINEDIR}, in release(7) format.
     55 #	(See etc/Makefile for more information on this.)
     56 #   regression-tests:
     57 #	Runs the regression tests in "regress" on this host.
     58 #   sets:
     59 #	Populate ${RELEASEDIR}/${RELEASEMACHINEDIR}/binary/sets
     60 #	from ${DESTDIR}
     61 #   sourcesets:
     62 #	Populate ${RELEASEDIR}/source/sets from ${NETBSDSRCDIR}
     63 #   syspkgs:
     64 #	Populate ${RELEASEDIR}/${RELEASEMACHINEDIR}/binary/syspkgs
     65 #	from ${DESTDIR}
     66 #   iso-image:
     67 #	Create CD-ROM image in RELEASEDIR/iso.
     68 #	RELEASEDIR must already have been populated by `make release'
     69 #	or equivalent.
     70 #   iso-image-source:
     71 #	Create CD-ROM image with source in RELEASEDIR/iso.
     72 #	RELEASEDIR must already have been populated by
     73 #	`make release sourcesets' or equivalent.
     74 #
     75 # Targets invoked by `make build,' in order:
     76 #   cleandir:        cleans the tree.
     77 #   obj:             creates object directories.
     78 #   do-tools:        builds host toolchain.
     79 #   do-distrib-dirs: creates the distribution directories.
     80 #   includes:        installs include files.
     81 #   do-tools-compat: builds the "libnbcompat" library; needed for some
     82 #                    random host tool programs in the source tree.
     83 #   do-lib-csu:      builds and installs prerequisites from lib/csu.
     84 #   do-libgcc:       builds and installs prerequisites from
     85 #                    gnu/lib/crtstuff${LIBGCC_EXT} (if necessary) and
     86 #                    gnu/lib/libgcc${LIBGCC_EXT}.
     87 #   do-lib-libc:     builds and installs prerequisites from lib/libc.
     88 #   do-lib:          builds and installs prerequisites from lib.
     89 #   do-gnu-lib:      builds and installs prerequisites from gnu/lib.
     90 #   do-external-lib: builds and installs prerequisites from external/lib.
     91 #   do-ld.so:        builds and installs prerequisites from libexec/ld.*_so.
     92 #   do-build:        builds and installs the entire system.
     93 #   do-x11:          builds and installs X11R6 from src/x11 if ${MKX11} != "no"
     94 #   do-obsolete:     installs the obsolete sets (for the postinstall-* targets).
     95 #
     96 
     97 .if ${.MAKEFLAGS:M${.CURDIR}/share/mk} == ""
     98 .MAKEFLAGS: -m ${.CURDIR}/share/mk
     99 .endif
    100 
    101 #
    102 # If _SRC_TOP_OBJ_ gets set here, we will end up with a directory that may
    103 # not be the top level objdir, because "make obj" can happen in the *middle*
    104 # of "make build" (long after <bsd.own.mk> is calculated it).  So, pre-set
    105 # _SRC_TOP_OBJ_ here so it will not be added to ${.MAKEOVERRIDES}.
    106 #
    107 _SRC_TOP_OBJ_=
    108 
    109 .include <bsd.own.mk>
    110 
    111 #
    112 # Sanity check: make sure that "make build" is not invoked simultaneously
    113 # with a standard recursive target.
    114 #
    115 
    116 .if make(build) || make(release) || make(snapshot)
    117 .for targ in ${TARGETS:Nobj:Ncleandir}
    118 .if make(${targ}) && !target(.BEGIN)
    119 .BEGIN:
    120 	@echo 'BUILD ABORTED: "make build" and "make ${targ}" are mutually exclusive.'
    121 	@false
    122 .endif
    123 .endfor
    124 .endif
    125 
    126 _SUBDIR=	tools lib include gnu external bin games libexec sbin usr.bin
    127 _SUBDIR+=	usr.sbin share rescue sys etc tests .WAIT distrib regress
    128 
    129 #
    130 # Weed out directories that don't exist.
    131 #
    132 
    133 .for dir in ${_SUBDIR}
    134 .if ("${dir}" == ".WAIT") || exists(${dir}/Makefile) && (${BUILD_${dir}:Uyes} != "no")
    135 SUBDIR+=	${dir}
    136 .endif
    137 .endfor
    138 
    139 .if exists(regress)
    140 regression-tests: .PHONY .MAKE
    141 	@echo Running regression tests...
    142 	${MAKEDIRTARGET} regress regress
    143 .endif
    144 
    145 .if ${MKUNPRIVED} != "no"
    146 NOPOSTINSTALL=	# defined
    147 .endif
    148 
    149 afterinstall: .PHONY .MAKE
    150 .if ${MKMAN} != "no"
    151 	${MAKEDIRTARGET} share/man makedb
    152 .endif
    153 .if (${MKUNPRIVED} != "no" && ${MKINFO} != "no")
    154 	${MAKEDIRTARGET} gnu/usr.bin/texinfo/install-info infodir-meta
    155 .endif
    156 .if !defined(NOPOSTINSTALL)
    157 	${MAKEDIRTARGET} . postinstall-check
    158 .endif
    159 
    160 _POSTINSTALL=	${.CURDIR}/usr.sbin/postinstall/postinstall
    161 
    162 postinstall-check: .PHONY
    163 	@echo "   === Post installation checks ==="
    164 	${HOST_SH} ${_POSTINSTALL} -s ${.CURDIR} -d ${DESTDIR}/ check; if [ $$? -gt 1 ]; then exit 1; fi
    165 	@echo "   ================================"
    166 
    167 postinstall-fix: .NOTMAIN .PHONY
    168 	@echo "   === Post installation fixes ==="
    169 	${HOST_SH} ${_POSTINSTALL} -s ${.CURDIR} -d ${DESTDIR}/ fix
    170 	@echo "   ==============================="
    171 
    172 postinstall-fix-obsolete: .NOTMAIN .PHONY
    173 	@echo "   === Removing obsolete files ==="
    174 	${HOST_SH} ${_POSTINSTALL} -s ${.CURDIR} -d ${DESTDIR}/ fix obsolete
    175 	@echo "   ==============================="
    176 
    177 
    178 #
    179 # Targets (in order!) called by "make build".
    180 #
    181 .if ${HAVE_GCC} == "3"
    182 LIBGCC_EXT=3
    183 .else
    184 LIBGCC_EXT=4
    185 .endif
    186 
    187 BUILDTARGETS+=	check-tools
    188 .if ${MKUPDATE} == "no" && !defined(NOCLEANDIR)
    189 BUILDTARGETS+=	cleandir
    190 .endif
    191 .if ${MKOBJDIRS} != "no"
    192 BUILDTARGETS+=	obj
    193 .endif
    194 .if ${USETOOLS} == "yes"
    195 BUILDTARGETS+=	do-tools
    196 .endif
    197 .if !defined(NODISTRIBDIRS)
    198 BUILDTARGETS+=	do-distrib-dirs
    199 .endif
    200 .if !defined(NOINCLUDES)
    201 BUILDTARGETS+=	includes
    202 .endif
    203 BUILDTARGETS+=	do-tools-compat
    204 BUILDTARGETS+=	do-lib-csu
    205 .if ${MKGCC} != "no"
    206 BUILDTARGETS+=	do-libgcc
    207 .endif
    208 BUILDTARGETS+=	do-lib-libc
    209 BUILDTARGETS+=	do-lib do-gnu-lib do-external-lib
    210 BUILDTARGETS+=	do-ld.so
    211 BUILDTARGETS+=	do-build
    212 .if ${MKX11} != "no"
    213 BUILDTARGETS+=	do-x11
    214 .endif
    215 BUILDTARGETS+=	do-obsolete
    216 
    217 #
    218 # Enforce proper ordering of some rules.
    219 #
    220 
    221 .ORDER:		${BUILDTARGETS}
    222 includes-lib:	.PHONY includes-include includes-sys
    223 includes-gnu:	.PHONY includes-lib
    224 
    225 #
    226 # Build the system and install into DESTDIR.
    227 #
    228 
    229 START_TIME!=	date
    230 
    231 build: .PHONY .MAKE
    232 .if defined(BUILD_DONE)
    233 	@echo "Build already installed into ${DESTDIR}"
    234 .else
    235 	@echo "Build started at: ${START_TIME}"
    236 .for tgt in ${BUILDTARGETS}
    237 	${MAKEDIRTARGET} . ${tgt}
    238 .endfor
    239 	${MAKEDIRTARGET} etc install-etc-release
    240 	@echo   "Build started at:  ${START_TIME}"
    241 	@printf "Build finished at: " && date
    242 .endif
    243 
    244 #
    245 # Build a full distribution, but not a release (i.e. no sets into
    246 # ${RELEASEDIR}).  "buildworld" enforces a build to ${DESTDIR} != /
    247 #
    248 
    249 distribution buildworld: .PHONY .MAKE
    250 .if make(buildworld) && \
    251     (!defined(DESTDIR) || ${DESTDIR} == "" || ${DESTDIR} == "/")
    252 	@echo "Won't make ${.TARGET} with DESTDIR=/"
    253 	@false
    254 .endif
    255 	${MAKEDIRTARGET} . build NOPOSTINSTALL=1
    256 	${MAKEDIRTARGET} etc distribution INSTALL_DONE=1
    257 .if defined(DESTDIR) && ${DESTDIR} != "" && ${DESTDIR} != "/"
    258 	${MAKEDIRTARGET} . postinstall-fix-obsolete
    259 	${MAKEDIRTARGET} distrib/sets checkflist
    260 .endif
    261 	@echo   "make ${.TARGET} started at:  ${START_TIME}"
    262 	@printf "make ${.TARGET} finished at: " && date
    263 
    264 #
    265 # Install the distribution from $DESTDIR to $INSTALLWORLDDIR (defaults to `/')
    266 # If installing to /, ensures that the host's operating system is NetBSD and
    267 # the host's `uname -m` == ${MACHINE}.
    268 #
    269 
    270 HOST_UNAME_S!=	uname -s
    271 HOST_UNAME_M!=	uname -m
    272 
    273 installworld: .PHONY .MAKE
    274 .if (!defined(DESTDIR) || ${DESTDIR} == "" || ${DESTDIR} == "/")
    275 	@echo "Can't make ${.TARGET} to DESTDIR=/"
    276 	@false
    277 .endif
    278 .if !defined(INSTALLWORLDDIR) || \
    279     ${INSTALLWORLDDIR} == "" || ${INSTALLWORLDDIR} == "/"
    280 .if (${HOST_UNAME_S} != "NetBSD")
    281 	@echo "Won't cross-make ${.TARGET} from ${HOST_UNAME_S} to NetBSD with INSTALLWORLDDIR=/"
    282 	@false
    283 .endif
    284 .if (${HOST_UNAME_M} != ${MACHINE})
    285 	@echo "Won't cross-make ${.TARGET} from ${HOST_UNAME_M} to ${MACHINE} with INSTALLWORLDDIR=/"
    286 	@false
    287 .endif
    288 .endif
    289 	${MAKEDIRTARGET} distrib/sets installsets \
    290 	    INSTALLDIR=${INSTALLWORLDDIR:U/} INSTALLSETS=
    291 	${MAKEDIRTARGET} . postinstall-check DESTDIR=${INSTALLWORLDDIR}
    292 	@echo   "make ${.TARGET} started at:  ${START_TIME}"
    293 	@printf "make ${.TARGET} finished at: " && date
    294 
    295 #
    296 # Create sets from $DESTDIR or $NETBSDSRCDIR into $RELEASEDIR
    297 #
    298 
    299 .for tgt in sets sourcesets syspkgs
    300 ${tgt}: .PHONY .MAKE
    301 	${MAKEDIRTARGET} distrib/sets ${tgt}
    302 .endfor
    303 
    304 #
    305 # Build a release or snapshot (implies "make distribution").  Note that
    306 # in this case, the set lists will be checked before the tar files
    307 # are made.
    308 #
    309 
    310 release snapshot: .PHONY .MAKE
    311 	${MAKEDIRTARGET} . distribution
    312 	${MAKEDIRTARGET} etc release DISTRIBUTION_DONE=1
    313 	@echo   "make ${.TARGET} started at:  ${START_TIME}"
    314 	@printf "make ${.TARGET} finished at: " && date
    315 
    316 #
    317 # Create a CD-ROM image.
    318 #
    319 
    320 iso-image: .PHONY
    321 	${MAKEDIRTARGET} distrib iso_image
    322 	${MAKEDIRTARGET} etc iso-image
    323 	@echo   "make ${.TARGET} started at:  ${START_TIME}"
    324 	@printf "make ${.TARGET} finished at: " && date
    325 
    326 iso-image-source: .PHONY
    327 	${MAKEDIRTARGET} distrib iso_image CDSOURCE=true
    328 	${MAKEDIRTARGET} etc iso-image
    329 	@echo   "make ${.TARGET} started at:  ${START_TIME}"
    330 	@printf "make ${.TARGET} finished at: " && date
    331 
    332 #
    333 # Special components of the "make build" process.
    334 #
    335 
    336 check-tools: .PHONY
    337 .if ${TOOLCHAIN_MISSING} != "no" && !defined(EXTERNAL_TOOLCHAIN)
    338 	@echo '*** WARNING:  Building on MACHINE=${MACHINE} with missing toolchain.'
    339 	@echo '*** May result in a failed build or corrupt binaries!'
    340 .elif defined(EXTERNAL_TOOLCHAIN)
    341 	@echo '*** Using external toolchain rooted at ${EXTERNAL_TOOLCHAIN}.'
    342 .endif
    343 .if defined(NBUILDJOBS)
    344 	@echo '*** WARNING: NBUILDJOBS is obsolete; use -j directly instead!'
    345 .endif
    346 
    347 do-distrib-dirs: .PHONY .MAKE
    348 .if !defined(DESTDIR) || ${DESTDIR} == ""
    349 	${MAKEDIRTARGET} etc distrib-dirs DESTDIR=/
    350 .else
    351 	${MAKEDIRTARGET} etc distrib-dirs DESTDIR=${DESTDIR}
    352 .endif
    353 
    354 .for targ in cleandir obj includes
    355 do-${targ}: .PHONY ${targ}
    356 	@true
    357 .endfor
    358 
    359 .for dir in tools tools/compat lib/csu gnu/lib/crtstuff${LIBGCC_EXT} gnu/lib/libgcc${LIBGCC_EXT} lib/libc lib/libdes lib gnu/lib external/lib
    360 do-${dir:S/\//-/g}: .PHONY .MAKE
    361 .for targ in dependall install
    362 	${MAKEDIRTARGET} ${dir} ${targ}
    363 .endfor
    364 .endfor
    365 
    366 do-libgcc: .PHONY .MAKE
    367 .if ${MKGCC} != "no"
    368 .if (${HAVE_GCC} == "3" || ${HAVE_GCC} == "4")
    369 	${MAKEDIRTARGET} . do-gnu-lib-crtstuff${LIBGCC_EXT}
    370 .endif
    371 	${MAKEDIRTARGET} . do-gnu-lib-libgcc${LIBGCC_EXT}
    372 .endif
    373 
    374 do-ld.so: .PHONY .MAKE
    375 .for targ in dependall install
    376 .if (${OBJECT_FMT} == "a.out")
    377 	${MAKEDIRTARGET} libexec/ld.aout_so ${targ}
    378 .endif
    379 .if (${OBJECT_FMT} == "ELF")
    380 	${MAKEDIRTARGET} libexec/ld.elf_so ${targ}
    381 .endif
    382 .endfor
    383 
    384 do-build: .PHONY .MAKE
    385 .for targ in dependall install
    386 	${MAKEDIRTARGET} . ${targ} BUILD_tools=no BUILD_lib=no
    387 .endfor
    388 
    389 do-x11: .PHONY .MAKE
    390 	${MAKEDIRTARGET} x11 build
    391 
    392 do-obsolete: .PHONY .MAKE
    393 	${MAKEDIRTARGET} etc install-obsolete-lists
    394 
    395 #
    396 # Speedup stubs for some subtrees that don't need to run these rules.
    397 # (Tells <bsd.subdir.mk> not to recurse for them.)
    398 #
    399 
    400 .for dir in bin etc distrib games libexec regress sbin usr.sbin tools
    401 includes-${dir}: .PHONY
    402 	@true
    403 .endfor
    404 .for dir in etc distrib regress
    405 install-${dir}: .PHONY
    406 	@true
    407 .endfor
    408 
    409 #
    410 # XXX this needs to change when distrib Makefiles are recursion compliant
    411 # XXX many distrib subdirs need "cd etc && make snap_pre snap_kern" first...
    412 #
    413 dependall-distrib depend-distrib all-distrib: .PHONY
    414 	@true
    415 
    416 .include <bsd.sys.mk>
    417 .include <bsd.obj.mk>
    418 .include <bsd.kernobj.mk>
    419 .include <bsd.subdir.mk>
    420 
    421 build-docs: .PHONY ${.CURDIR}/BUILDING
    422 ${.CURDIR}/BUILDING: doc/BUILDING.mdoc
    423 	${_MKMSG_CREATE} ${.TARGET}
    424 	${TOOL_GROFF} -mdoc -Tascii -P-bou $> >$@
    425 
    426 
    427 #
    428 # Display current make(1) parameters
    429 #
    430 params: .PHONY .MAKE
    431 	${MAKEDIRTARGET} etc params
    432