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Annotation of src/Makefile, Revision 1.148

1.148   ! jmc         1: #      $NetBSD: Makefile,v 1.147 2001/10/31 19:41:54 jmc 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.
1.143     tv         52: #   do-lib-csu:      builds and installs prerequisites from lib/csu.
                     53: #   do-lib:          builds and installs prerequisites from lib.
                     54: #   do-gnu-lib:      builds and installs prerequisites from gnu/lib.
1.137     tv         55: #   do-build:        builds and installs the entire system.
1.32      cgd        56:
1.146     tv         57: .if ${.MAKEFLAGS:M${.CURDIR}/share/mk} == ""
                     58: .MAKEFLAGS: -m ${.CURDIR}/share/mk
                     59: .endif
1.148   ! jmc        60:
        !            61: MKOBJDIRS ?= no
1.146     tv         62:
                     63: .include <bsd.own.mk>
1.4       cgd        64:
1.137     tv         65: # Sanity check: make sure that "make build" is not invoked simultaneously
                     66: # with a standard recursive target.
                     67:
                     68: .if make(build) || make(release) || make(snapshot)
                     69: .for targ in ${TARGETS:Nobj:Ncleandir}
                     70: .if make(${targ}) && !target(.BEGIN)
                     71: .BEGIN:
                     72:        @echo 'BUILD ABORTED: "make build" and "make ${targ}" are mutually exclusive.'
                     73:        @false
                     74: .endif
                     75: .endfor
                     76: .endif
1.58      tv         77:
1.76      bouyer     78: .if defined(NBUILDJOBS)
1.137     tv         79: _J=            -j${NBUILDJOBS}
1.76      bouyer     80: .endif
                     81:
1.146     tv         82: _SUBDIR=       tools lib include gnu bin games libexec sbin usr.bin \
1.141     tv         83:                usr.sbin share sys etc distrib regress
1.105     assar      84:
1.137     tv         85: # Weed out directories that don't exist.
1.36      explorer   86:
1.137     tv         87: .for dir in ${_SUBDIR}
                     88: .if exists(${dir}/Makefile)
                     89: SUBDIR+=       ${dir}
1.36      explorer   90: .endif
1.137     tv         91: .endfor
1.21      cgd        92:
1.13      brezak     93: .if exists(regress)
1.10      cgd        94: regression-tests:
                     95:        @echo Running regression tests...
1.146     tv         96:        @cd ${.CURDIR}/regress && ${MAKE} regress
1.13      brezak     97: .endif
1.20      cgd        98:
1.137     tv         99: .if ${MKMAN} != "no"
                    100: afterinstall: whatis.db
                    101: whatis.db:
1.146     tv        102:        cd ${.CURDIR}/share/man && ${MAKE} makedb
1.137     tv        103: .endif
1.108     erh       104:
1.137     tv        105: # Targets (in order!) called by "make build".
1.123     mrg       106:
1.137     tv        107: .if ${MKOBJDIRS:Uno} != "no"
                    108: BUILDTARGETS+= obj
1.81      scottr    109: .endif
1.137     tv        110: .if !defined(UPDATE) && !defined(NOCLEANDIR)
                    111: BUILDTARGETS+= cleandir
1.123     mrg       112: .endif
1.138     tv        113: .if ${USETOOLS} == "yes"
1.137     tv        114: BUILDTARGETS+= do-make-tools
1.131     tv        115: .endif
1.137     tv        116: .if !defined(NODISTRIBDIRS)
                    117: BUILDTARGETS+= do-distrib-dirs
1.131     tv        118: .endif
1.137     tv        119: .if !defined(NOINCLUDES)
                    120: BUILDTARGETS+= includes
1.131     tv        121: .endif
1.143     tv        122: BUILDTARGETS+= do-lib-csu do-lib do-gnu-lib do-build
1.131     tv        123:
1.137     tv        124: # Enforce proper ordering of some rules.
1.123     mrg       125:
1.137     tv        126: .ORDER:                ${BUILDTARGETS}
                    127: includes-lib:  includes-include includes-sys
                    128: includes-gnu:  includes-lib
1.123     mrg       129:
1.137     tv        130: # Build the system and install into DESTDIR.
1.123     mrg       131:
1.137     tv        132: build:
                    133: .if defined(BUILD_DONE)
                    134:        @echo "Build already installed into ${DESTDIR}"
                    135: .else
                    136:        @echo -n "Build started at: " && date
1.145     tv        137: .for tgt in ${BUILDTARGETS}
1.146     tv        138:        ${MAKE} ${_J} ${tgt}
1.145     tv        139: .endfor
1.137     tv        140:        @echo -n "Build finished at: " && date
1.71      mycroft   141: .endif
1.123     mrg       142:
1.137     tv        143: # Build a release or snapshot (implies "make build").
1.123     mrg       144:
1.137     tv        145: release snapshot: build
1.146     tv        146:        cd ${.CURDIR}/etc && ${MAKE} INSTALL_DONE=1 release
1.123     mrg       147:
1.137     tv        148: # Special components of the "make build" process.
1.123     mrg       149:
1.137     tv        150: do-make-tools:
1.146     tv        151:        cd ${.CURDIR}/tools && ${MAKE} build
1.123     mrg       152:
1.137     tv        153: do-distrib-dirs:
1.147     jmc       154: .if !defined(DESTDIR) || ${DESTDIR} == ""
                    155:        cd ${.CURDIR}/etc && ${MAKE} DESTDIR=/ distrib-dirs
                    156: .else
1.146     tv        157:        cd ${.CURDIR}/etc && ${MAKE} DESTDIR=${DESTDIR} distrib-dirs
1.147     jmc       158: .endif
1.123     mrg       159:
1.137     tv        160: .for dir in lib/csu lib gnu/lib
1.143     tv        161: do-${dir:S/\//-/}:
1.137     tv        162: .for targ in dependall install
                    163:        cd ${.CURDIR}/${dir} && \
1.146     tv        164:                ${MAKE} ${_J} MKSHARE=no MKLINT=no ${targ}
1.137     tv        165: .endfor
                    166: .endfor
1.143     tv        167:
                    168: do-build:
1.146     tv        169:        ${MAKE} ${_J} dependall
                    170:        ${MAKE} ${_J} install
1.87      cjs       171:
1.137     tv        172: # Speedup stubs for some subtrees that don't need to run these rules.
                    173: # (Tells <bsd.subdir.mk> not to recurse for them.)
1.129     tv        174:
                    175: includes-bin includes-games includes-libexec includes-regress \
1.137     tv        176: includes-sbin includes-usr.sbin includes-tools \
1.142     tv        177: dependall-tools depend-tools all-tools install-tools install-regress \
                    178: dependall-distrib depend-distrib all-distrib install-distrib includes-distrib:
1.136     nathanw   179:        @true
1.130     tv        180:
1.146     tv        181: .include <bsd.subdir.mk>
1.144     tv        182:
                    183: # Rules for building the BUILDING.* documentation files.
                    184:
                    185: build-docs: ${.CURDIR}/BUILDING.txt ${.CURDIR}/BUILDING.html
                    186:
                    187: .SUFFIXES: .mdoc .html .txt
                    188:
                    189: .mdoc.html: ${.CURDIR}/Makefile
                    190:        groff -mdoc2html -Tlatin1 -P-b -P-u -P-o -ww -mtty-char $< >$@
                    191:
                    192: # The awk expression changes line endings from LF to CR-LF to make
                    193: # this readable on many more platforms than just Un*x.
                    194: .mdoc.txt: ${.CURDIR}/Makefile
                    195:        groff -mdoc -Tascii -P-b -P-u -P-o $< | \
                    196:                awk 'BEGIN{ORS="\r\n"}{print}' >$@

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