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Annotation of src/Makefile, Revision 1.137

1.137   ! tv          1: #      $NetBSD: Makefile,v 1.136 2001/10/12 21:05:08 nathanw Exp $
1.95      cjs         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:
1.101     sommerfe   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.
1.95      cjs        21: #   MKMAN, if set to `no', will prevent building of manual pages.
1.101     sommerfe   22: #   MKOBJDIRS, if not set to `no', will build object directories at
                     23: #      an appropriate point in a build.
1.95      cjs        24: #   MKSHARE, if set to `no', will prevent building and installing
                     25: #      anything in /usr/share.
1.101     sommerfe   26: #   NBUILDJOBS is the number of jobs to start in parallel during a
1.127     tv         27: #      `make build'. It defaults to 1.
1.125     mrg        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'.
1.119     toddpw     33: #   NOINCLUDES will avoid the `make includes' usually done by `make build'.
1.95      cjs        34: #
                     35: # Targets:
1.137   ! tv         36: #   build:
        !            37: #      Builds a full release of NetBSD in DESTDIR.  If BUILD_DONE is
1.110     jlam       38: #      set, this is an empty target.
1.137   ! tv         39: #   release:
        !            40: #      Does a `make build,' and then tars up the DESTDIR files
1.95      cjs        41: #      into RELEASEDIR, in release(7) format. (See etc/Makefile for
                     42: #      more information on this.)
1.137   ! tv         43: #   regression-tests:
        !            44: #      Runs the regression tests in "regress" on this host.
1.123     mrg        45: #
1.137   ! tv         46: # Targets invoked by `make build,' in order:
        !            47: #   obj:             creates object directories.
        !            48: #   cleandir:        cleans the tree.
        !            49: #   do-make-tools:   builds host toolchain.
1.131     tv         50: #   do-distrib-dirs: creates the distribution directories.
1.137   ! tv         51: #   includes:        installs include files.
        !            52: #   do-build:        builds and installs the entire system.
1.32      cgd        53:
1.133     tv         54: .include "${.CURDIR}/share/mk/bsd.own.mk"
1.4       cgd        55:
1.137   ! tv         56: # Sanity check: make sure that "make build" is not invoked simultaneously
        !            57: # with a standard recursive target.
        !            58:
        !            59: .if make(build) || make(release) || make(snapshot)
        !            60: .for targ in ${TARGETS:Nobj:Ncleandir}
        !            61: .if make(${targ}) && !target(.BEGIN)
        !            62: .BEGIN:
        !            63:        @echo 'BUILD ABORTED: "make build" and "make ${targ}" are mutually exclusive.'
        !            64:        @false
        !            65: .endif
        !            66: .endfor
        !            67: .endif
1.58      tv         68:
1.76      bouyer     69: .if defined(NBUILDJOBS)
1.137   ! tv         70: _J=            -j${NBUILDJOBS}
1.76      bouyer     71: .endif
                     72:
1.135     jwise      73: .if ${USETOOLS} != "no"
1.137   ! tv         74: _SUBDIR+=      tools
1.109     cjs        75: .endif
1.137   ! tv         76: _SUBDIR+=      lib include gnu bin games libexec sbin usr.bin \
        !            77:                usr.sbin share sys etc distrib regress
1.105     assar      78:
1.137   ! tv         79: # Weed out directories that don't exist.
1.36      explorer   80:
1.137   ! tv         81: .for dir in ${_SUBDIR}
        !            82: .if exists(${dir}/Makefile)
        !            83: SUBDIR+=       ${dir}
1.36      explorer   84: .endif
1.137   ! tv         85: .endfor
1.21      cgd        86:
1.13      brezak     87: .if exists(regress)
1.10      cgd        88: regression-tests:
                     89:        @echo Running regression tests...
1.137   ! tv         90:        @cd ${.CURDIR}/regress && ${MAKE} ${_M} regress
1.13      brezak     91: .endif
1.20      cgd        92:
1.137   ! tv         93: .if ${MKMAN} != "no"
        !            94: afterinstall: whatis.db
        !            95: whatis.db:
        !            96:        cd ${.CURDIR}/share/man && ${MAKE} ${_M} makedb
        !            97: .endif
1.108     erh        98:
1.137   ! tv         99: # Targets (in order!) called by "make build".
1.123     mrg       100:
1.137   ! tv        101: .if ${MKOBJDIRS:Uno} != "no"
        !           102: BUILDTARGETS+= obj
1.81      scottr    103: .endif
1.137   ! tv        104: .if !defined(UPDATE) && !defined(NOCLEANDIR)
        !           105: BUILDTARGETS+= cleandir
1.123     mrg       106: .endif
1.132     mason     107: .if ${USETOOLS} != "no"
1.137   ! tv        108: BUILDTARGETS+= do-make-tools
1.131     tv        109: .endif
1.137   ! tv        110: .if !defined(NODISTRIBDIRS)
        !           111: BUILDTARGETS+= do-distrib-dirs
1.131     tv        112: .endif
1.137   ! tv        113: .if !defined(NOINCLUDES)
        !           114: BUILDTARGETS+= includes
1.131     tv        115: .endif
1.137   ! tv        116: BUILDTARGETS+= do-build
1.131     tv        117:
1.137   ! tv        118: # Enforce proper ordering of some rules.
1.123     mrg       119:
1.137   ! tv        120: .ORDER:                ${BUILDTARGETS}
        !           121: includes-lib:  includes-include includes-sys
        !           122: includes-gnu:  includes-lib
1.123     mrg       123:
1.137   ! tv        124: # Build the system and install into DESTDIR.
1.123     mrg       125:
1.137   ! tv        126: build:
        !           127: .if defined(BUILD_DONE)
        !           128:        @echo "Build already installed into ${DESTDIR}"
        !           129: .else
        !           130:        @echo -n "Build started at: " && date
        !           131:        @${MAKE} ${_J} ${_M} ${BUILDTARGETS}
        !           132:        @echo -n "Build finished at: " && date
1.71      mycroft   133: .endif
1.123     mrg       134:
1.137   ! tv        135: # Build a release or snapshot (implies "make build").
1.123     mrg       136:
1.137   ! tv        137: release snapshot: build
        !           138:        cd ${.CURDIR}/etc && ${MAKE} ${_M} INSTALL_DONE=1 release
1.123     mrg       139:
1.137   ! tv        140: # Special components of the "make build" process.
1.123     mrg       141:
1.137   ! tv        142: do-make-tools:
        !           143:        cd ${.CURDIR}/tools && ${MAKE} ${_M} build
1.123     mrg       144:
1.137   ! tv        145: do-distrib-dirs:
        !           146:        cd ${.CURDIR}/etc && ${MAKE} ${_M} DESTDIR=${DESTDIR} distrib-dirs
1.123     mrg       147:
1.137   ! tv        148: do-build:
        !           149: .for dir in lib/csu lib gnu/lib
        !           150: .for targ in dependall install
        !           151:        cd ${.CURDIR}/${dir} && \
        !           152:                ${MAKE} ${_M} ${_J} MKSHARE=no MKLINT=no ${targ}
        !           153: .endfor
        !           154: .endfor
        !           155:        ${MAKE} ${_M} ${_J} dependall
        !           156:        ${MAKE} ${_M} ${_J} install
1.87      cjs       157:
1.137   ! tv        158: # Speedup stubs for some subtrees that don't need to run these rules.
        !           159: # (Tells <bsd.subdir.mk> not to recurse for them.)
1.129     tv        160:
                    161: includes-bin includes-games includes-libexec includes-regress \
1.137   ! tv        162: includes-sbin includes-usr.sbin includes-tools \
        !           163: all-tools install-tools install-regress:
1.136     nathanw   164:        @true
1.130     tv        165:
1.133     tv        166: .include "${.CURDIR}/share/mk/bsd.subdir.mk"
1.130     tv        167:
                    168: _M:=   -m ${.CURDIR}/share/mk

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