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Makefile revision 1.167
      1 #	$NetBSD: Makefile,v 1.167 2002/04/11 19:08:13 tv Exp $
      2 
      3 # This is the top-level makefile for building NetBSD. For an outline of
      4 # how to build a snapshot or release, as well as other release engineering
      5 # information, see http://www.netbsd.org/developers/releng/index.html
      6 #
      7 # Not everything you can set or do is documented in this makefile. In
      8 # particular, you should review the files in /usr/share/mk (especially
      9 # bsd.README) for general information on building programs and writing
     10 # Makefiles within this structure, and see the comments in src/etc/Makefile
     11 # for further information on installation and release set options.
     12 #
     13 # Variables listed below can be set on the make command line (highest
     14 # priority), in /etc/mk.conf (middle priority), or in the environment
     15 # (lowest priority).
     16 #
     17 # Variables:
     18 #   DESTDIR is the target directory for installation of the compiled
     19 #	software. It defaults to /. Note that programs are built against
     20 #	libraries installed in DESTDIR.
     21 #   MKMAN, if set to `no', will prevent building of manual pages.
     22 #   MKOBJDIRS, if not set to `no', will build object directories at 
     23 #	an appropriate point in a build.
     24 #   MKSHARE, if set to `no', will prevent building and installing
     25 #	anything in /usr/share.
     26 #   NBUILDJOBS is the number of jobs to start in parallel during a
     27 #	`make build'. It defaults to 1.
     28 #   UPDATE, if defined, will avoid a `make cleandir' at the start of
     29 #     `make build', as well as having the effects listed in
     30 #     /usr/share/mk/bsd.README.
     31 #   NOCLEANDIR, if defined, will avoid a `make cleandir' at the start
     32 #     of the `make build'.
     33 #   NOINCLUDES will avoid the `make includes' usually done by `make build'.
     34 #
     35 # Targets:
     36 #   build:
     37 #	Builds a full release of NetBSD in DESTDIR.  If BUILD_DONE is
     38 #	set, this is an empty target.
     39 #   release:
     40 #	Does a `make build,' and then tars up the DESTDIR files
     41 #	into RELEASEDIR, in release(7) format. (See etc/Makefile for
     42 #	more information on this.)
     43 #   regression-tests:
     44 #	Runs the regression tests in "regress" on this host.
     45 #
     46 # Targets invoked by `make build,' in order:
     47 #   cleandir:        cleans the tree.
     48 #   obj:             creates object directories.
     49 #   do-tools:        builds host toolchain.
     50 #   do-distrib-dirs: creates the distribution directories.
     51 #   includes:        installs include files.
     52 #   do-lib:          builds and installs prerequisites from lib.
     53 #   do-gnu-lib:      builds and installs prerequisites from gnu/lib.
     54 #   do-build:        builds and installs the entire system.
     55 
     56 .if ${.MAKEFLAGS:M${.CURDIR}/share/mk} == ""
     57 .MAKEFLAGS: -m ${.CURDIR}/share/mk
     58 .endif
     59 
     60 # If _SRC_TOP_OBJ_ gets set here, we will end up with a directory that may
     61 # not be the top level objdir, because "make obj" can happen in the *middle*
     62 # of "make build" (long after <bsd.own.mk> is calculated it).  So, pre-set
     63 # _SRC_TOP_OBJ_ here so it will not be added to ${.MAKEOVERRIDES}.
     64 _SRC_TOP_OBJ_=
     65 
     66 .include <bsd.own.mk>
     67 
     68 # Sanity check: make sure that "make build" is not invoked simultaneously
     69 # with a standard recursive target.
     70 
     71 .if make(build) || make(release) || make(snapshot)
     72 .for targ in ${TARGETS:Nobj:Ncleandir}
     73 .if make(${targ}) && !target(.BEGIN)
     74 .BEGIN:
     75 	@echo 'BUILD ABORTED: "make build" and "make ${targ}" are mutually exclusive.'
     76 	@false
     77 .endif
     78 .endfor
     79 .endif
     80 
     81 .if defined(NBUILDJOBS)
     82 .if !target(.BEGIN)
     83 .BEGIN:
     84 	@echo 'NBUILDJOBS is currently broken; see PR toolchain/14837.'
     85 	@false
     86 .endif
     87 #_J=		-j${NBUILDJOBS}
     88 .endif
     89 
     90 _SUBDIR=	tools lib include gnu bin games libexec sbin usr.bin
     91 _SUBDIR+=	usr.sbin share sys etc distrib regress
     92 
     93 # Weed out directories that don't exist.
     94 
     95 .for dir in ${_SUBDIR}
     96 .if exists(${dir}/Makefile) && (${BUILD_${dir}:Uyes} != "no")
     97 SUBDIR+=	${dir}
     98 .endif
     99 .endfor
    100 
    101 .if exists(regress)
    102 regression-tests:
    103 	@echo Running regression tests...
    104 	@(cd ${.CURDIR}/regress && ${MAKE} regress)
    105 .endif
    106 
    107 afterinstall:
    108 .if ${MKMAN} != "no"
    109 	(cd ${.CURDIR}/share/man && ${MAKE} makedb)
    110 .endif
    111 .if defined(UNPRIVED) && (${MKINFO} != "no")
    112 	(cd ${.CURDIR}/gnu/usr.bin/texinfo/install-info && ${MAKE} infodir-meta)
    113 .endif
    114 
    115 # Targets (in order!) called by "make build".
    116 
    117 BUILDTARGETS+=	check-tools
    118 .if !defined(UPDATE) && !defined(NOCLEANDIR)
    119 BUILDTARGETS+=	cleandir
    120 .endif
    121 .if ${MKOBJDIRS} != "no"
    122 BUILDTARGETS+=	obj
    123 .endif
    124 .if ${USETOOLS} == "yes"
    125 BUILDTARGETS+=	do-tools
    126 .endif
    127 .if !defined(NODISTRIBDIRS)
    128 BUILDTARGETS+=	do-distrib-dirs
    129 .endif
    130 .if !defined(NOINCLUDES)
    131 BUILDTARGETS+=	includes
    132 .endif
    133 BUILDTARGETS+=	do-lib do-gnu-lib do-build
    134 
    135 # Enforce proper ordering of some rules.
    136 
    137 .ORDER:		${BUILDTARGETS}
    138 includes-lib:	includes-include includes-sys
    139 includes-gnu:	includes-lib
    140 
    141 # Build the system and install into DESTDIR.
    142 
    143 build:
    144 .if defined(BUILD_DONE)
    145 	@echo "Build already installed into ${DESTDIR}"
    146 .else
    147 	@echo -n "Build started at: " && date
    148 .for tgt in ${BUILDTARGETS}
    149 	@(cd ${.CURDIR} && ${MAKE} ${_J} ${tgt})
    150 .endfor
    151 	@echo -n "Build finished at: " && date
    152 .endif
    153 
    154 # Build a full distribution, but not a release (i.e. no sets into
    155 # ${RELEASEDIR}).
    156 
    157 distribution: build
    158 	(cd ${.CURDIR}/etc && ${MAKE} INSTALL_DONE=1 distribution)
    159 
    160 # Build a release or snapshot (implies "make build").
    161 
    162 release snapshot: build
    163 	(cd ${.CURDIR}/etc && ${MAKE} INSTALL_DONE=1 release)
    164 
    165 # Special components of the "make build" process.
    166 
    167 check-tools:
    168 .if defined(USE_NEW_TOOLCHAIN) && (${USE_NEW_TOOLCHAIN} != "nowarn")
    169 	@echo '*** WARNING:  Building on MACHINE=${MACHINE} with USE_NEW_TOOLCHAIN.'
    170 	@echo '*** This platform is not yet verified to work with the new toolchain,'
    171 	@echo '*** and may result in a failed build or corrupt binaries!'
    172 .endif
    173 
    174 do-distrib-dirs:
    175 .if !defined(DESTDIR) || ${DESTDIR} == ""
    176 	(cd ${.CURDIR}/etc && ${MAKE} DESTDIR=/ distrib-dirs)
    177 .else
    178 	(cd ${.CURDIR}/etc && ${MAKE} DESTDIR=${DESTDIR} distrib-dirs)
    179 .endif
    180 
    181 .for dir in tools lib gnu/lib
    182 do-${dir:S/\//-/}:
    183 .for targ in dependall install
    184 	(cd ${.CURDIR}/${dir} && ${MAKE} ${_J} ${targ})
    185 .endfor
    186 .endfor
    187 
    188 do-build:
    189 .for targ in dependall install
    190 	(cd ${.CURDIR} && ${MAKE} ${_J} ${targ} BUILD_tools=no BUILD_lib=no)
    191 .endfor
    192 
    193 # Speedup stubs for some subtrees that don't need to run these rules.
    194 # (Tells <bsd.subdir.mk> not to recurse for them.)
    195 
    196 .for dir in bin etc distrib games libexec regress sbin usr.sbin tools
    197 includes-${dir}:
    198 	@true
    199 .endfor
    200 .for dir in etc distrib regress
    201 install-${dir}:
    202 	@true
    203 .endfor
    204 
    205 # XXX this needs to change when distrib Makefiles are recursion compliant
    206 dependall-distrib depend-distrib all-distrib:
    207 	@true
    208 
    209 clean:
    210 	rm -f METALOG
    211 
    212 .include <bsd.obj.mk>
    213 .include <bsd.subdir.mk>
    214 
    215 build-docs: ${.CURDIR}/BUILDING
    216 ${.CURDIR}/BUILDING: BUILDING.mdoc
    217 	groff -mdoc -Tascii -P-b -P-u -P-o $> >$@
    218