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1.1       tv          1: BUILDING(8)             NetBSD System Manager's Manual             BUILDING(8)
                      3: NAME
1.52      jmc         4:      BUILDING -- Procedure for building NetBSD from source code.
1.1       tv          5:
                      6: REQUIREMENTS
                      7:      NetBSD is designed to be buildable on most POSIX-compliant host systems.
                      8:      The basic build procedure is the same whether compiling natively (on the
                      9:      same NetBSD architecture) or cross compiling (on another architecture or
                     10:      OS).
                     12:      This source tree contains a special subtree, ``tools'', which uses the
                     13:      host system to create a build toolchain for the target architecture.  The
                     14:      host system must have at least C and C++ compilers in order to create the
                     15:      toolchain (make is not required); all other tools are created as part of
1.53      reed       16:      the NetBSD build process.  (See the environment variables section below
                     17:      if you need to override or manually select your compilers.)
1.1       tv         18:
                     19: FILES
                     20:    Source tree layout
1.17      wiz        21:      doc/BUILDING.mdoc
                     22:                     This document (in -mdoc troff format; the original copy).
1.1       tv         23:
1.2       wiz        24:      BUILDING       This document (in plaintext).
1.1       tv         25:
1.48      jmc        26:      tools/compat/README
                     27:                     Special notes for cross-hosting a NetBSD build on non-
                     28:                     NetBSD platforms.
1.44      lukem      30:      Makefile       The main Makefile for NetBSD; should only be run for
                     31:                     native builds with an appropriately up-to-date version of
1.1       tv         32:                     NetBSD make(1).  (For building from out-of-date systems or
                     33:                     on a non-native host, see the build.sh shell script.)
                     35:      UPDATING       Special notes for updating from an earlier revision of
                     36:                     NetBSD.  It is important to read this file before every
                     37:                     build of an updated source tree.
                     39:      build.sh       Bourne-compatible shell script used for building the host
                     40:                     build tools and the NetBSD system from scratch.  Can be
                     41:                     used for both native and cross builds, and should be used
                     42:                     instead of make(1) for any source tree that is updated and
                     43:                     recompiled regularly.
                     45:      crypto/dist/, dist/, gnu/dist/
                     46:                     Sources imported verbatim from third parties, without man-
                     47:                     gling the existing build structure.  Other source trees in
                     48:                     bin through usr.sbin use the NetBSD make(1) ``reachover''
1.44      lukem      49:                     Makefile semantics when building these programs for a
                     50:                     native host.
1.1       tv         51:
                     52:      distrib/, etc/
                     53:                     Sources for items used when making a full release snap-
1.27      lukem      54:                     shot, such as files installed in DESTDIR/etc on the desti-
                     55:                     nation system, boot media, and release notes.
1.1       tv         56:
1.70      dholland   57:      tests/, regress/
                     58:                     Regression test harness.  Can be cross-compiled, but only
                     59:                     run natively.  tests/ uses the atf(7) test framework;
                     60:                     regress/ contains older tests that have not yet been
                     61:                     migrated to atf(7).
1.1       tv         62:
                     63:      sys/           NetBSD kernel sources.
                     65:      tools/         ``Reachover'' build structure for the host build tools.
                     66:                     This has a special method of determining out-of-date sta-
                     67:                     tus.
                     69:      bin/ ... usr.sbin/
                     70:                     Sources to the NetBSD userland (non-kernel) programs.  If
                     71:                     any of these directories are missing, they will be skipped
                     72:                     during the build.
1.49      lukem      74:      x11/           ``Reachover'' build structure for X11R6; the source is in
                     75:                     X11SRCDIR.
1.1       tv         77:    Build tree layout
                     78:      The NetBSD build tree is described in hier(7), and the release layout is
                     79:      described in release(7).
                     81: CONFIGURATION
1.8       lukem      82:    Environment variables
                     83:      Several environment variables control the behaviour of NetBSD builds.
1.96      apb        85:      HOST_SH           Path name to a shell available on the host system and
                     86:                        suitable for use during the build.  The NetBSD build
                     87:                        system requires a modern Bourne-like shell with POSIX-
                     88:                        compliant features, and also requires support for the
                     89:                        ``local'' keyword to declare local variables in shell
                     90:                        functions (which is a widely-implemented but non-stan-
                     91:                        dardised feature).
                     93:                        Depending on the host system, a suitable shell may be
                     94:                        /bin/sh, /usr/xpg4/bin/sh, /bin/ksh (provided it is a
                     95:                        variant of ksh that supports the ``local'' keyword,
                     96:                        such as ksh88, but not ksh93), or /usr/local/bin/bash.
                     98:                        Most parts of the build require HOST_SH to be an abso-
                     99:                        lute path; however, build.sh allows it to be a simple
                    100:                        command name, which will be converted to an absolute
                    101:                        path by searching the PATH.
1.58      apb       102:
1.53      reed      103:      HOST_CC           Path name to C compiler used to create the toolchain.
                    105:      HOST_CXX          Path name to C++ compiler used to create the toolchain.
1.70      dholland  107:      MACHINE           Machine type, e.g., ``macppc''.
1.8       lukem     108:
1.70      dholland  109:      MACHINE_ARCH      Machine architecture, e.g., ``powerpc''.
1.8       lukem     110:
                    111:      MAKE              Path name to invoke make(1) as.
1.94      apb       113:      MAKEFLAGS         Flags to invoke make(1) with.  Note that build.sh
                    114:                        ignores the value of MAKEFLAGS passed in the environ-
                    115:                        ment, but allows MAKEFLAGS to be set via the -V option.
1.8       lukem     116:
                    117:      MAKEOBJDIR        Directory to use as the .OBJDIR for the current direc-
1.59      apb       118:                        tory.  The value is subjected to variable expansion by
1.73      apb       119:                        make(1).  Typical usage is to set this variable to a
                    120:                        value involving the use of `${.CURDIR:S...}' or
                    121:                        `${.CURDIR:C...}', to derive the value of .OBJDIR from
                    122:                        the value of .CURDIR.  Used only if MAKEOBJDIRPREFIX is
                    123:                        not defined.  MAKEOBJDIR can be provided only in the
                    124:                        environment or via the -O flag of build.sh; it cannot
1.82      mrg       125:                        usefully be set inside a Makefile, including mk.conf or
                    126:                        ${MAKECONF}.
1.8       lukem     127:
1.88      apb       128:      MAKEOBJDIRPREFIX  Top level directory of the object directory tree.  The
                    129:                        value is subjected to variable expansion by make(1).
                    130:                        build.sh will create the ${MAKEOBJDIRPREFIX} directory
                    131:                        if necessary, but if make(1) is used without build.sh,
                    132:                        then rules in <bsd.obj.mk> will abort the build if the
                    133:                        ${MAKEOBJDIRPREFIX} directory does not exist.  If the
                    134:                        value is defined and valid, then ${MAKEOBJDIRPRE-
                    135:                        FIX}/${.CURDIR} is used as the .OBJDIR for the current
                    136:                        directory.  The current directory may be read only.
                    137:                        MAKEOBJDIRPREFIX can be provided only in the environ-
                    138:                        ment or via the -M flag of build.sh; it cannot usefully
                    139:                        be set inside a Makefile, including mk.conf or
                    140:                        ${MAKECONF}.
1.8       lukem     141:
1.1       tv        142:    "make" variables
                    143:      Several variables control the behavior of NetBSD builds.  Unless other-
                    144:      wise specified, these variables may be set in either the process environ-
                    145:      ment or the make(1) configuration file specified by MAKECONF.
1.9       thorpej   147:      BUILDID     Identifier for the build.  The identifier will be appended to
                    148:                  object directory names, and can be consulted in the make(1)
                    149:                  configuration file in order to set additional build parame-
                    150:                  ters, such as compiler flags.
1.72      perry     152:      BUILDSEED   GCC uses random numbers when compiling C++ code.  This vari-
                    153:                  able seeds the gcc random number generator using the -fran-
                    154:                  dom-seed flag with this value.  By default, it is set to
                    155:                  NetBSD-(majorversion).  Using a fixed value causes C++ bina-
1.84      hubertf   156:                  ries to be the same when built from the same sources, result-
1.85      hubertf   157:                  ing in identical (reproducible) builds.  Additional informa-
1.84      hubertf   158:                  tion is available in the GCC documentation of -frandom-seed.
1.72      perry     159:
1.1       tv        160:      DESTDIR     Directory to contain the built NetBSD system.  If set, spe-
                    161:                  cial options are passed to the compilation tools to prevent
                    162:                  their default use of the host system's /usr/include,
1.59      apb       163:                  /usr/lib, and so forth.  This pathname must be an absolute
                    164:                  path, and should not end with a slash (/) character.  (For
                    165:                  installation into the system's root directory, set DESTDIR to
                    166:                  an empty string, not to ``/'').  The directory must reside on
                    167:                  a file system which supports long file names and hard links.
1.1       tv        168:
                    169:                  Default: Empty string if USETOOLS is ``yes''; unset other-
                    170:                  wise.
1.30      lukem     172:                  Note: build.sh will provide a default of destdir.MACHINE (in
1.70      dholland  173:                  the top-level .OBJDIR) unless run in `expert' mode.
1.30      lukem     174:
1.1       tv        175:      MAKECONF    The name of the make(1) configuration file.  Only settable in
                    176:                  the process environment.
                    178:                  Default: ``/etc/mk.conf''
1.45      lukem     180:      MAKEVERBOSE
                    181:                  Level of verbosity of status messages.  Supported values:
1.80      apb       183:                  0    No descriptive messages or commands executed by make(1)
                    184:                       are shown.
1.45      lukem     185:
1.80      apb       186:                  1    Brief messages are shown describing what is being done,
                    187:                       but the actual commands executed by make(1) are not dis-
                    188:                       played.
                    190:                  2    Descriptive messages are shown as above (prefixed with a
                    191:                       `#'), and ordinary commands performed by make(1) are
                    192:                       displayed.
                    194:                  3    In addition to the above, all commands performed by
                    195:                       make(1) are displayed, even if they would ordinarily
                    196:                       have been hidden through use of the ``@'' prefix in the
                    197:                       relevant makefile.
1.45      lukem     198:
1.80      apb       199:                  4    In addition to the above, commands executed by make(1)
                    200:                       are traced through use of the sh(1) ``-x'' flag.
1.45      lukem     201:
                    202:                  Default: 2
1.1       tv        204:      MKCATPAGES  Can be set to ``yes'' or ``no''.  Indicates whether prefor-
                    205:                  matted plaintext manual pages will be created during a build.
                    206:! yamt      207:                  Default: ``no''
1.1       tv        208:
                    209:      MKCRYPTO    Can be set to ``yes'' or ``no''.  Indicates whether crypto-
                    210:                  graphic code will be included in a build; provided for the
                    211:                  benefit of countries that do not allow strong cryptography.
1.44      lukem     212:                  Will not affect use of the standard low-security password
                    213:                  encryption system, crypt(3).
1.1       tv        214:
                    215:                  Default: ``yes''
                    217:      MKDOC       Can be set to ``yes'' or ``no''.  Indicates whether system
1.44      lukem     218:                  documentation destined for DESTDIR/usr/share/doc will be
                    219:                  installed during a build.
1.1       tv        220:
                    221:                  Default: ``yes''
1.77      lukem     223:      MKHTML      Can be set to ``yes'' or ``no''.  Indicates whether prefor-
                    224:                  matted HTML manual pages will be built and installed
                    226:                  Default: ``yes''
1.4       tv        228:      MKHOSTOBJ   Can be set to ``yes'' or ``no''.  If set to ``yes'', then for
                    229:                  programs intended to be run on the compile host, the name,
                    230:                  release, and architecture of the host operating system will
                    231:                  be suffixed to the name of the object directory created by
                    232:                  ``make obj''.  (This allows multiple host systems to compile
                    233:                  NetBSD for a single target.)  If set to ``no'', then programs
                    234:                  built to be run on the compile host will use the same object
                    235:                  directory names as programs built to be run on the target.
                    237:                  Default: ``no''
1.1       tv        239:      MKINFO      Can be set to ``yes'' or ``no''.  Indicates whether GNU Info
                    240:                  files, used for the documentation for most of the compilation
                    241:                  tools, will be created and installed during a build.
                    243:                  Default: ``yes''
1.95      apb       245:      MKKMOD      Can be set to ``yes'' or ``no''.  Indicates whether kernel
                    246:                  modules are built and installed.
                    248:                  Default: ``yes''
1.1       tv        250:      MKLINT      Can be set to ``yes'' or ``no''.  Indicates whether lint(1)
                    251:                  will be run against portions of the NetBSD source code during
                    252:                  the build, and whether lint libraries will be installed into
1.27      lukem     253:                  DESTDIR/usr/libdata/lint.
1.1       tv        254:
                    255:                  Default: ``yes''
                    257:      MKMAN       Can be set to ``yes'' or ``no''.  Indicates whether manual
                    258:                  pages will be installed during a build.
                    260:                  Default: ``yes''
                    262:      MKNLS       Can be set to ``yes'' or ``no''.  Indicates whether Native
1.44      lukem     263:                  Language System locale zone files will be compiled and
                    264:                  installed during a build.
1.1       tv        265:
                    266:                  Default: ``yes''
                    268:      MKOBJ       Can be set to ``yes'' or ``no''.  Indicates whether object
                    269:                  directories will be created when running ``make obj''.  If
                    270:                  set to ``no'', then all built files will be located inside
                    271:                  the regular source tree.
                    273:                  Default: ``yes''
1.70      dholland  275:                  Note that setting MKOBJ to ``no'' is not recommended and may
                    276:                  cause problems when updating the tree with cvs(1).
1.1       tv        278:      MKPIC       Can be set to ``yes'' or ``no''.  Indicates whether shared
                    279:                  objects and libraries will be created and installed during a
                    280:                  build.  If set to ``no'', the entire built system will be
                    281:                  statically linked.
                    283:                  Default: Platform dependent.  As of this writing, all plat-
                    284:                  forms except sh3 default to ``yes''.
                    286:      MKPICINSTALL
                    287:                  Can be set to ``yes'' or ``no''.  Indicates whether the ar(1)
1.44      lukem     288:                  format libraries (lib*_pic.a), used to generate shared
                    289:                  libraries, are installed during a build.
1.1       tv        290:
                    291:                  Default: ``yes''
                    293:      MKPROFILE   Can be set to ``yes'' or ``no''.  Indicates whether profiled
                    294:                  libraries (lib*_p.a) will be built and installed during a
                    295:                  build.
                    297:                  Default: ``yes''; however, some platforms turn off MKPROFILE
                    298:                  by default at times due to toolchain problems with profiled
                    299:                  code.
                    300:  yamt      301:      MKREPRO     Can be set to ``yes'' or ``no''.  Create reproducable builds.
                    302:                  This enables different switches to make two builds from the
                    303:                  same source tree result in the same build results.
                    305:                  Default: ``no''
1.1       tv        307:      MKSHARE     Can be set to ``yes'' or ``no''.  Indicates whether files
1.44      lukem     308:                  destined to reside in DESTDIR/usr/share will be built and
                    309:                  installed during a build.  If set to ``no'', then all of
1.27      lukem     310:                  MKCATPAGES, MKDOC, MKINFO, MKMAN, and MKNLS will be set to
                    311:                  ``no'' unconditionally.
1.1       tv        312:
                    313:                  Default: ``yes''
1.78      apb       315:      MKSTRIPIDENT  yamt      316:                  Can be set to ``yes'' or ``no''.  Indicates whether RCS IDs,
                    317:                  for use with ident(1), should be stripped from program bina-
                    318:                  ries and shared libraries.
1.78      apb       319:
                    320:                  Default: ``no''
1.44      lukem     322:      MKUNPRIVED  Can be set to ``yes'' or ``no''.  Indicates whether an
                    323:                  unprivileged install will occur.  The user, group, permis-
1.52      jmc       324:                  sions, and file flags, will not be set on the installed
                    325:                  items; instead the information will be appended to a file
                    326:                  called METALOG in DESTDIR.  The contents of METALOG are used
                    327:                  during the generation of the distribution tar files to ensure
                    328:                  that the appropriate file ownership is stored.
1.38      lukem     329:
                    330:                  Default: ``no''
1.44      lukem     332:      MKUPDATE    Can be set to ``yes'' or ``no''.  Indicates whether all
                    333:                  install operations intended to write to DESTDIR will compare
1.38      lukem     334:                  file timestamps before installing, and skip the install phase
1.44      lukem     335:                  if the destination files are up-to-date.  This also has
                    336:                  implications on full builds (see next subsection).
1.38      lukem     337:
                    338:                  Default: ``no''
1.79      mrg       340:      MKX11       Can be set to ``yes'' or ``no''.  Indicates whether X11 is
1.49      lukem     341:                  built from X11SRCDIR.
                    343:                  Default: ``no''
1.59      apb       345:      TOOLDIR     Directory to hold the host tools, once built.  If specified,
                    346:                  must be an absolute path.  This directory should be unique to
                    347:                  a given host system and NetBSD source tree.  (However, multi-
                    348:                  ple targets may share the same TOOLDIR; the target-dependent
                    349:                  files have unique names.)  If unset, a default based on the
                    350:                  uname(1) information of the host platform will be created in
                    351:                  the .OBJDIR of src.
1.1       tv        352:
                    353:                  Default: Unset.
                    355:      USETOOLS    Indicates whether the tools specified by TOOLDIR should be
                    356:                  used as part of a build in progress.  Must be set to ``yes''
                    357:                  if cross-compiling.
                    359:                  yes    Use the tools from TOOLDIR.
                    361:                  no     Do not use the tools from TOOLDIR, but refuse to build
                    362:                         native compilation tool components that are version-
                    363:                         specific for that tool.
                    365:                  never  Do not use the tools from TOOLDIR, even when building
                    366:                         native tool components.  This is similar to the tradi-
                    367:                         tional NetBSD build method, but does not verify that
                    368:                         the compilation tools in use are up-to-date enough in
                    369:                         order to build the tree successfully.  This may cause
                    370:                         build or runtime problems when building the whole
                    371:                         NetBSD source tree.
1.71      dholland  373:                  Default: ``yes'', unless TOOLCHAIN_MISSING is set to ``yes''.
                    375:                  USETOOLS is also set to ``no'' when using <bsd.*.mk> outside
                    376:                  the NetBSD source tree.
1.1       tv        377:
1.59      apb       378:      X11SRCDIR   Directory containing the X11R6 source.  If specified, must be
                    379:                  an absolute path.  The main X11R6 source is found in
                    380:                  X11SRCDIR/xfree/xc.
1.49      lukem     381:
1.89      apb       382:                  Default: NETBSDRCDIR/../xsrc, if that exists; otherwise
                    383:                  /usr/xsrc.
1.49      lukem     384:
1.79      mrg       385:      X11FLAVOUR  The style of X11 cross-built, set to either ``Xorg'' or
                    386:                  ``XFree86''.
1.81      mrg       388:                  Default: ``Xorg'' on amd64, i386, macppc, shark and sparc64
                    389:                  platforms, ``XFree86'' on everything else.
1.79      mrg       390:
1.1       tv        391:    "make" variables for full builds
1.7       lukem     392:      These variables only affect the top level ``Makefile'' and do not affect
                    393:      manually building subtrees of the NetBSD source code.
1.1       tv        394:
1.20      lukem     395:      INSTALLWORLDDIR  Location for the ``make installworld'' target to install
1.59      apb       396:                       to.  If specified, must be an absolute path.
1.1       tv        397:
1.20      lukem     398:                       Default: ``/''
1.1       tv        399:
1.44      lukem     400:      MKOBJDIRS        Can be set to ``yes'' or ``no''.  Indicates whether
                    401:                       object directories will be created automatically (via a
1.20      lukem     402:                       ``make obj'' pass) at the start of a build.
1.1       tv        403:
1.34      lukem     404:                       Default: ``no''
1.1       tv        405:
1.70      dholland  406:                       If using build.sh, the default is ``yes''.  This may be
                    407:                       set back to ``no'' by giving build.sh the -o option.
1.38      lukem     409:      MKUPDATE         Can be set to ``yes'' or ``no''.  If set, then in addi-
                    410:                       tion to the effects described for MKUPDATE=yes above,
                    411:                       this implies the effects of NOCLEANDIR (i.e., ``make
                    412:                       cleandir'' is avoided).
                    414:                       Default: ``no''
1.70      dholland  416:                       If using build.sh, this may be set by giving the -u
                    417:                       option.
                    419:      NBUILDJOBS       Now obsolete.  Use the make(1) option -j, instead.  See
                    420:                       below.
1.1       tv        421:
1.20      lukem     422:                       Default: Unset.
1.1       tv        423:
1.20      lukem     424:      NOCLEANDIR       If set, avoids the ``make cleandir'' phase of a full
                    425:                       build.  This has the effect of allowing only changed
                    426:                       files in a source tree to be recompiled.  This can speed
                    427:                       up builds when updating only a few files in the tree.
1.1       tv        428:
1.20      lukem     429:                       Default: Unset.
1.1       tv        430:
1.70      dholland  431:                       See also MKUPDATE.
1.20      lukem     433:      NODISTRIBDIRS    If set, avoids the ``make distrib-dirs'' phase of a full
                    434:                       build.  This skips running mtree(8) on DESTDIR, useful
                    435:                       on systems where building as an unprivileged user, or
                    436:                       where it is known that the system-wide mtree files have
                    437:                       not changed.
1.1       tv        438:
1.20      lukem     439:                       Default: Unset.
1.1       tv        440:
1.20      lukem     441:      NOINCLUDES       If set, avoids the ``make includes'' phase of a full
                    442:                       build.  This has the effect of preventing make(1) from
1.44      lukem     443:                       thinking that some programs are out-of-date simply
                    444:                       because the system include files have changed.  However,
1.20      lukem     445:                       this option should not be used when updating the entire
                    446:                       NetBSD source tree arbitrarily; it is suggested to use
1.70      dholland  447:                       MKUPDATE=yes instead in that case.
1.1       tv        448:
1.20      lukem     449:                       Default: Unset.
1.1       tv        450:
1.20      lukem     451:      RELEASEDIR       If set, specifies the directory to which a release(7)
                    452:                       layout will be written at the end of a ``make release''.
1.59      apb       453:                       If specified, must be an absolute path.
1.20      lukem     454:
                    455:                       Default: Unset.
1.30      lukem     457:                       Note: build.sh will provide a default of releasedir (in
1.70      dholland  458:                       the top-level .OBJDIR) unless run in `expert' mode.
1.30      lukem     459:
1.1       tv        460: BUILDING
                    461:    "make" command line options
1.52      jmc       462:      This is not a summary of all the options available to make(1); only the
                    463:      options used most frequently with NetBSD builds are listed here.
1.1       tv        464:
1.10      sommerfe  465:      -j njob    Run up to njob make(1) subjobs in parallel.  Makefiles should
1.52      jmc       466:                 use .WAIT or have explicit dependencies as necessary to
1.74      apb       467:                 enforce build ordering.
1.10      sommerfe  468:
1.1       tv        469:      -m dir     Specify the default directory for searching for system Make-
                    470:                 file segments, mainly the <bsd.*.mk> files.  When building any
                    471:                 full NetBSD source tree, this should be set to the
1.70      dholland  472:                 ``share/mk'' directory in the source tree.  This is set auto-
                    473:                 matically when building from the top level, or when using
                    474:                 build.sh.
1.1       tv        475:
                    476:      -n         Display the commands that would have been executed, but do not
                    477:                 actually execute them.  This will still cause recursion to
                    478:                 take place.
1.47      zuntum    480:      -V var     Print make(1)'s idea of the value of var.  Does not build any
1.1       tv        481:                 targets.
                    483:      var=value  Set the variable var to value, overriding any setting speci-
                    484:                 fied by the process environment, the MAKECONF configuration
                    485:                 file, or the system Makefile segments.
                    487:    "make" targets
                    488:      These default targets may be built by running make(1) in any subtree of
                    489:      the NetBSD source code.  It is recommended that none of these be used
                    490:      from the top level Makefile; as a specific exception, ``make obj'' and
                    491:      ``make cleandir'' are useful in that context.
                    493:      all        Build programs, libraries, and preformatted documentation.
                    495:      clean      Remove program and library object code files.
1.44      lukem     497:      cleandir   Same as clean, but also remove preformatted documentation,
                    498:                 dependency files generated by ``make depend'', and any other
1.49      lukem     499:                 files known to be created at build time.
1.1       tv        500:
1.44      lukem     501:      depend     Create dependency files (.depend) containing more detailed
                    502:                 information about the dependencies of source code on header
1.1       tv        503:                 files.  Allows programs to be recompiled automatically when a
                    504:                 dependency changes.
                    506:      dependall  Does a ``make depend'' immediately followed by a ``make all''.
1.10      sommerfe  507:                 This improves cache locality of the build since both passes
                    508:                 read the source files in their entirety.
1.1       tv        509:
1.49      lukem     510:      distclean  Synonym for cleandir.
1.44      lukem     512:      includes   Build and install system header files.  Typically needed
                    513:                 before any system libraries or programs can be built.
1.1       tv        514:
                    515:      install    Install programs, libraries, and documentation into DESTDIR.
1.27      lukem     516:                 Few files will be installed to DESTDIR/dev, DESTDIR/etc,
                    517:                 DESTDIR/root or DESTDIR/var in order to prevent user supplied
                    518:                 configuration data from being overwritten.
1.1       tv        519:
                    520:      lint       Run lint(1) against the C source code, where appropriate, and
                    521:                 generate system-installed lint libraries.
                    523:      obj        Create object directories to be used for built files, instead
                    524:                 of building directly in the source tree.
                    526:      tags       Create ctags(1) searchable function lists usable by the ex(1)
                    527:                 and vi(1) text editors.
                    529:    "make" targets for the top level
                    530:      Additional make(1) targets are usable specifically from the top source
                    531:      level to facilitate building the entire NetBSD source tree.
1.68      reed      533:      build         Build the entire NetBSD system (except the kernel).  This
                    534:                    orders portions of the source tree such that prerequisites
                    535:                    will be built in the proper order.
1.20      lukem     536:
                    537:      distribution  Do a ``make build'', and then install a full distribution
1.68      reed      538:                    (which does not include a kernel) into DESTDIR, including
                    539:                    files in DESTDIR/dev, DESTDIR/etc, DESTDIR/root and
                    540:                    DESTDIR/var.
1.20      lukem     541:
                    542:      buildworld    As per ``make distribution'', except that it ensures that
                    543:                    DESTDIR is not the root directory.
1.70      dholland  545:      installworld  Install the distribution from DESTDIR to INSTALLWORLDDIR,
                    546:                    which defaults to the root directory.  Ensures that
1.52      jmc       547:                    INSTALLWORLDDIR is not the root directory if cross compil-
1.20      lukem     548:                    ing.
1.95      apb       550:                    The INSTALLSETS environment variable may be set to a space-
                    551:                    separated list of distribution sets to be installed.  By
                    552:                    default, all sets except ``etc'' and ``xetc'' are
                    553:                    installed, so most files in INSTALLWORLDDIR/etc will not be
                    554:                    installed or modified.
1.61      apb       555:
                    556:                    Note: Before performing this operation with
                    557:                    INSTALLWORLDDIR=/, it is highly recommended that you
                    558:                    upgrade your kernel and reboot.  After performing this
                    559:                    operation, it is recommended that you use etcupdate(8) to  yamt      560:                    update files in INSTALLWORLDDIR/etc, and postinstall(8) to
                    561:                    check for or fix inconsistencies.
1.20      lukem     562:
1.25      lukem     563:      sets          Create distribution sets from DESTDIR into
1.69      lukem     564:                    RELEASEDIR/RELEASEMACHINEDIR/binary/sets.  Should be run
1.70      dholland  565:                    after ``make distribution'', as ``make build'' alone does
                    566:                    not install all of the required files.
1.25      lukem     567:
1.31      lukem     568:      sourcesets    Create source sets of the source tree into
                    569:                    RELEASEDIR/source/sets.
1.54      apb       571:      syspkgs       Create syspkgs from DESTDIR into
1.69      lukem     572:                    RELEASEDIR/RELEASEMACHINEDIR/binary/syspkgs.  Should be run
1.70      dholland  573:                    after ``make distribution'', as ``make build'' alone does
                    574:                    not install all of the required files.
1.54      apb       575:
1.44      lukem     576:      release       Do a ``make distribution'', build kernels, distribution
                    577:                    media, and install sets (this as per ``make sets''), and
                    578:                    then package the system into a standard release layout as
                    579:                    described by release(7).  This requires that RELEASEDIR be
1.25      lukem     580:                    set (see above).
1.1       tv        581:
1.62      apb       582:      iso-image     Create a NetBSD installation CD-ROM image in the
                    583:                    RELEASEDIR/iso directory.  The CD-ROM file system will have
                    584:                    a layout as described in release(7).
                    586:                    For most machine types, the CD-ROM will be bootable, and
                    587:                    will automatically run the sysinst(8) menu-based installa-
                    588:                    tion program, which can be used to install or upgrade a
                    589:                    NetBSD system.  Bootable CD-ROMs also contain tools that
                    590:                    may be useful in repairing a damaged NetBSD installation.
                    592:                    Before ``make iso-image'' is attempted, RELEASEDIR must be
                    593:                    populated by ``make release'' or equivalent.
                    595:                    Note that other, smaller, CD-ROM images may be created in
1.69      lukem     596:                    the RELEASEDIR/RELEASEMACHINEDIR/installation/cdrom direc-
                    597:                    tory by ``make release''.  These smaller images usually
                    598:                    contain the same tools as the larger images in
                    599:                    RELEASEDIR/iso, but do not contain additional content such
                    600:                    as the distribution sets.
1.62      apb       601:
                    602:                    Note that the mac68k port still uses an older method of
                    603:                    creating CD-ROM images.  This requires the mkisofs(1) util-
                    604:                    ity, which is not part of NetBSD, but which can be
                    605:                    installed from pkgsrc/sysutils/cdrtools.
1.56      apb       606:
1.64      jnemeth   607:      iso-image-source
                    608:                    Create a NetBSD installation CD-ROM image in the
                    609:                    RELEASEDIR/iso directory.  The CD-ROM file system will have
                    610:                    a layout as described in release(7).  It will have top
                    611:                    level directories for the machine type and source.
                    613:                    For most machine types, the CD-ROM will be bootable, and
                    614:                    will automatically run the sysinst(8) menu-based installa-
                    615:                    tion program, which can be used to install or upgrade a
                    616:                    NetBSD system.  Bootable CD-ROMs also contain tools that
                    617:                    may be useful in repairing a damaged NetBSD installation.
                    619:                    Before ``make iso-image-source'' is attempted, RELEASEDIR
                    620:                    must be populated by ``make sourcesets release'' or equiva-
                    621:                    lent.
                    623:                    Note that other, smaller, CD-ROM images may be created in
1.69      lukem     624:                    the RELEASEDIR/RELEASEMACHINEDIR/installation/cdrom direc-
                    625:                    tory by ``make release''.  These smaller images usually
                    626:                    contain the same tools as the larger images in
                    627:                    RELEASEDIR/iso, but do not contain additional content such
                    628:                    as the distribution sets.
1.64      jnemeth   629:
                    630:                    Note that the mac68k port still uses an older method of
                    631:                    creating CD-ROM images.  This requires the mkisofs(1) util-
                    632:                    ity, which is not part of NetBSD, but which can be
                    633:                    installed from pkgsrc/sysutils/cdrtools.
                    634:  yamt      635:      install-image
                    636:                    Create a bootable NetBSD installation disk image in the
                    637:                    RELEASEDIR/RELEASEMACHINEDIR/installation/installimage
                    638:                    directory.  The installation disk image is suitable for
                    639:                    copying to bootable USB flash memory sticks, etc., for
                    640:                    machines which are able to boot from such devices.  The
                    641:                    file system in the bootable disk image will have a layout
                    642:                    as described in release(7).
                    644:                    The installation image is bootable, and will automatically
                    645:                    run the sysinst(8) menu-based installation program, which
                    646:                    can be used to install or upgrade a NetBSD system.  The
                    647:                    image also contains tools that may be useful in repairing a
                    648:                    damaged NetBSD installation.
                    650:                    Before ``make install-image'' is attempted, RELEASEDIR must
                    651:                    be populated by ``make release'' or equivalent.  The build
                    652:                    must have been performed with MKUNPRIVED=yes because ``make
                    653:                    install-image'' relies on information in DESTDIR/METALOG.
                    655:      live-image    Create NetBSD live images in the
                    656:                    RELEASEDIR/RELEASEMACHINEDIR/installation/liveimage direc-
                    657:                    tory.  The live image contains all necessary files to boot
                    658:                    NetBSD up to multi-user mode, including all files which
                    659:                    should be extracted during installation, NetBSD disklabel,
                    660:                    bootloaders, etc.
                    662:                    The live image is suitable for use as a disk image in vir-
                    663:                    tual machine environments such as QEMU, and also useful to
                    664:                    boot NetBSD from a USB flash memory stick on a real
                    665:                    machine, without the need for installation.
                    667:                    Before ``make live-image'' is attempted, RELEASEDIR must be
                    668:                    populated by ``make release'' or equivalent.  The build
                    669:                    must have been performed with MKUNPRIVED=yes because ``make
                    670:                    install-image'' relies on information in DESTDIR/METALOG.
1.1       tv        672:      regression-tests
1.20      lukem     673:                    Can only be run after building the regression tests in the
1.70      dholland  674:                    directory ``regress''.  Runs those compiled regression
                    675:                    tests on the local host.  Note that most tests are now man-
                    676:                    aged instead using atf(7); this target should probably run
                    677:                    those as well but currently does not.
1.1       tv        678:
                    679:    The "build.sh" script
1.96      apb       680:      This script file is a shell script designed to build the entire NetBSD
                    681:      system on any host with a suitable modern shell and some common utili-
                    682:      ties.  The required shell features are described under the HOST_SH vari-
                    683:      able.
                    685:      If a host system's default shell does support the required features, then
                    686:      we suggest that you explicitly specify a suitable shell using a command
                    687:      like
                    689:            /path/to/suitable/shell build.sh [options]
                    691:      The above command will usually enable build.sh to automatically set
                    692:      HOST_SH=/path/to/suitable/shell, but if that fails, then the following
                    693:      set of commands may be used instead:
                    695:            HOST_SH=/path/to/suitable/shell
                    696:            export HOST_SH
                    697:            ${HOST_SH} build.sh [options]
                    699:      If build.sh detects that it is being executed under an unsuitable shell,
                    700:      it attempts to exec a suitable shell instead, or prints an error message.
                    701:      If HOST_SH is not set explicitly, then build.sh sets a default using
                    702:      heuristics dependent on the host platform, or from the shell under which
                    703:      build.sh is executed (if that can be determined), or using the first copy
                    704:      of sh found in PATH.
1.1       tv        705:
                    706:      All cross-compile builds, and most native builds, of the entire system
                    707:      should make use of build.sh rather than just running ``make''.  This way,
                    708:      the make(1) program will be bootstrapped properly, in case the host sys-
                    709:      tem has an older or incompatible ``make'' program.
                    711:      When compiling the entire system via build.sh, many make(1) variables are
                    712:      set for you in order to help encapsulate the build process.  In the list
                    713:      of options below, variables that are automatically set by build.sh are
                    714:      noted where applicable.
1.22      lukem     716:      The following operations are supported by build.sh:
1.70      dholland  718:      build         Build the system as per ``make build''.  Before the main
                    719:                    part of the build commences, this command runs the obj
                    720:                    operation (unless the -o option is given), ``make
                    721:                    cleandir'' (unless the -u option is given), and the tools
                    722:                    operation.
1.22      lukem     723:
                    724:      distribution  Build a full distribution as per ``make distribution''.
1.70      dholland  725:                    This command first runs the build operation.
1.22      lukem     726:
1.70      dholland  727:      release       Build a full release as per ``make release''.  This command
                    728:                    first runs the distribution operation.
1.22      lukem     729:
1.23      lukem     730:      makewrapper   Create the nbmake-MACHINE wrapper.  This operation is auto-
                    731:                    matically performed for any of the other operations.
1.75      lukem     733:      cleandir      Perform ``make cleandir''.
1.22      lukem     735:      obj           Perform ``make obj''.
1.70      dholland  737:      tools         Build and install the host tools from src/tools.  This com-
                    738:                    mand will first run ``make obj'' and ``make cleandir'' in
                    739:                    the tools subdirectory unless the -o or -u options (respec-
                    740:                    tively) are given.
1.22      lukem     741:
1.35      lukem     742:      install=idir  Install the contents of DESTDIR to idir, using ``make
1.61      apb       743:                    installworld''.  Note that files that are part of the
1.95      apb       744:                    ``etc'' or ``xetc'' sets will not be installed, unless
                    745:                    overridden by the INSTALLSETS environment variable.
1.35      lukem     746:
1.22      lukem     747:      kernel=kconf  Build a new kernel.  The kconf argument is the name of a
1.54      apb       748:                    configuration file suitable for use by config(1).  If kconf
1.22      lukem     749:                    does not contain any `/' characters, the configuration file
                    750:                    is expected to be found in the KERNCONFDIR directory, which
                    751:                    is typically sys/arch/MACHINE/conf.  The new kernel will be
                    752:                    built in a subdirectory of KERNOBJDIR, which is typically
                    753:                    sys/arch/MACHINE/compile or an associated object directory.
1.70      dholland  754:
                    755:                    This command does not imply the tools command; run the
                    756:                    tools command first unless it is certain that the tools
                    757:                    already exist and are up to date.
                    759:                    This command will run ``make cleandir'' on the kernel in
                    760:                    question first unless the -u option is given.
1.22      lukem     761:
1.86      jnemeth   762:      modules       This command will build kernel modules and install them
                    763:                    into DESTDIR.
1.35      lukem     765:      releasekernel=kconf
1.70      dholland  766:                    Install a gzip(1)ed copy of the kernel previously built by
1.69      lukem     767:                    kernel=kconf into
                    768:                    RELEASEDIR/RELEASEMACHINEDIR/binary/kernel, usually as
                    769:                    netbsd-kconf.gz, although the ``netbsd'' prefix is deter-
                    770:                    mined from the ``config'' directives in kconf.
1.24      lukem     771:
                    772:      sets          Perform ``make sets''.
1.31      lukem     773:
                    774:      sourcesets    Perform ``make sourcesets''.
1.22      lukem     775:
1.54      apb       776:      syspkgs       Perform ``make syspkgs''.
1.56      apb       778:      iso-image     Perform ``make iso-image''.
1.65      jnemeth   780:      iso-image-source
                    781:                    Perform ``make iso-image-source''.
                    782:  yamt      783:      install-image
                    784:                    Perform ``make install-image''.
                    786:      live-image    Perform ``make live-image''.
1.51      wiz       788:      The following command line options alter the behaviour of the build.sh
                    789:      operations described above:
1.1       tv        790:
                    791:      -a arch   Set the value of MACHINE_ARCH to arch.
1.9       thorpej   792:
                    793:      -B buildid
                    794:                Set the value of BUILDID to buildid.  This will also append the
1.67      sborrill  795:                build identifier to the name of the ``make'' wrapper script so
1.37      lukem     796:                that the resulting name is of the form
                    797:                ``nbmake-MACHINE-BUILDID''.
1.1       tv        798:
1.67      sborrill  799:      -C cdextras
1.87      apb       800:                Append cdextras to the CDEXTRA variable, which is a space-sepa-
                    801:                rated list of files or directories that will be added to the
                    802:                CD-ROM image that may be create by the ``iso-image'' or
                    803:                ``iso-image-source'' operations.  Files will be added to the
                    804:                root of the CD-ROM image, whereas directories will be copied
                    805:                recursively.  If relative paths are specified, they will be
                    806:                converted to absolute paths before being used.  Multiple paths
                    807:                may be specified via multiple -C options, or via a single
                    808:                option whose argument contains multiple space-separated paths.
1.66      jnemeth   809:
1.59      apb       810:      -D dest   Set the value of DESTDIR to dest.  If a relative path is speci-
                    811:                fied, it will be converted to an absolute path before being
                    812:                used.
1.18      lukem     813:
1.23      lukem     814:      -E        Set `expert' mode.  This overrides various sanity checks, and
                    815:                allows: DESTDIR does not have to be set to a non-root path for
1.38      lukem     816:                builds, and MKUNPRIVED=yes does not have to be set when build-
                    817:                ing as a non-root user.
1.23      lukem     818:
                    819:                Note: It is highly recommended that you know what you are doing
                    820:                when you use this option.
1.19      lukem     821:
1.51      wiz       822:      -h        Print a help message.
1.70      dholland  824:      -j njob   Run up to njob make(1) subjobs in parallel; passed through to
1.74      apb       825:                make(1).  If you see failures for reasons other than running
                    826:                out of memory while using build.sh with -j, please save com-
                    827:                plete build logs so the failures can be analyzed.
                    829:                To achieve the fastest builds, -j values between (1 + the num-
                    830:                ber of CPUs) and (2 * the number of CPUs) are recommended.  Use
                    831:                lower values on machines with limited memory or I/O bandwidth.
1.1       tv        832:
1.88      apb       833:      -M obj    Set MAKEOBJDIRPREFIX to obj.  Unsets MAKEOBJDIR.  See ``-O
                    834:                -obj'' for more information.
                    836:                For instance, if the source directory is /usr/src, a setting of
                    837:                ``-M /usr/obj'' will place build-time files under
                    838:                /usr/obj/usr/src/bin, /usr/obj/usr/src/lib,
                    839:                /usr/obj/usr/src/usr.bin, and so forth.
1.73      apb       841:                If a relative path is specified, it will be converted to an
1.88      apb       842:                absolute path before being used.  build.sh imposes the restric-
                    843:                tion that the argument to the -M option must not begin with a
                    844:                ``$'' (dollar sign) character; otherwise it would be too diffi-
                    845:                cult to determine whether the value is an absolute or a rela-
                    846:                tive path.  If the directory does not already exist, build.sh
                    847:                will create it.
1.18      lukem     848:
1.60      apb       849:      -m mach   Set the value of MACHINE to mach, except in some special cases
                    850:                listed below.  This will also override any value of
                    851:                MACHINE_ARCH in the process environment with a value deduced
                    852:                from mach, unless -a is specified.  All cross builds require
                    853:                -m, but if unset on a NetBSD host, the host's value of MACHINE
                    854:                will be detected and used automatically.
                    856:                Some machines support multiple values for MACHINE_ARCH.  The
                    857:                following special cases for the mach argument are defined to
                    858:                set the listed values of MACHINE and MACHINE_ARCH:
1.33      lukem     859:
                    860:                      mach          MACHINE    MACHINE_ARCH
1.60      apb       861:                      evbarm        evbarm     (not set)
                    862:                      evbarm-eb     evbarm     armeb
                    863:                      evbarm-el     evbarm     arm
1.33      lukem     864:                      evbmips       evbmips    (not set)
                    865:                      evbmips-eb    evbmips    mipseb
                    866:                      evbmips-el    evbmips    mipsel
                    867:                      evbsh3        evbsh3     (not set)
                    868:                      evbsh3-eb     evbsh3     sh3eb
                    869:                      evbsh3-el     evbsh3     sh3el
                    870:                      sbmips        sbmips     (not set)
                    871:                      sbmips-eb     sbmips     mipseb
                    872:                      sbmips-el     sbmips     mipsel
1.1       tv        873:
1.45      lukem     874:      -N noiselevel
1.46      lukem     875:                Set the ``noisyness'' level of the build, by setting
                    876:                MAKEVERBOSE to noiselevel.
1.45      lukem     877:
1.1       tv        878:      -n        Show the commands that would be executed by build.sh, but do
                    879:                not make any changes.  This is similar in concept to ``make
                    880:                -n''.
1.18      lukem     882:      -O obj    Create an appropriate transform macro for MAKEOBJDIR that will
1.88      apb       883:                place the built object files under obj.  Unsets
                    884:                MAKEOBJDIRPREFIX.
                    886:                For instance, a setting of ``-O /usr/obj'' will place build-
                    887:                time files under /usr/obj/bin, /usr/obj/lib, /usr/obj/usr.bin,
                    888:                and so forth.
                    890:                If a relative path is specified, it will be converted to an
                    891:                absolute path before being used.  build.sh imposes the restric-
                    892:                tion that the argument to the -O option must not contain a
                    893:                ``$'' (dollar sign) character.  If the directory does not
                    894:                already exist, build.sh will create it.
1.73      apb       895:
                    896:                In normal use, exactly one of the -M or -O options should be
1.78      apb       897:                specified.  If neither -M nor -O is specified, then a default
                    898:                object directory will be chosen according to rules in
                    899:                <bsd.obj.mk>.  Relying on this default is not recommended
                    900:                because it is determined by complex rules that are influenced
                    901:                by the values of several variables and by the location of the
                    902:                source directory.
1.18      lukem     903:
1.34      lukem     904:      -o        Set the value of MKOBJDIRS to ``no''.  Otherwise, it will be
1.70      dholland  905:                automatically set to ``yes''.  This default is opposite to the
                    906:                behaviour when not using build.sh.
1.1       tv        907:
1.59      apb       908:      -R rel    Set the value of RELEASEDIR to rel.  If a relative path is
                    909:                specified, it will be converted to an absolute path before
                    910:                being used.
1.18      lukem     911:
1.1       tv        912:      -r        Remove the contents of DESTDIR and TOOLDIR before building
                    913:                (provides a clean starting point).  This will skip deleting
                    914:                DESTDIR if building on a native system to the root directory.
1.72      perry     916:      -S seed   Change the value of BUILDSEED to seed.  This should rarely be
                    917:                necessary.
1.59      apb       919:      -T tools  Set the value of TOOLDIR to tools.  If a relative path is spec-
                    920:                ified, it will be converted to an absolute path before being
1.70      dholland  921:                used.  If set, the bootstrap ``make'' will only be rebuilt if
                    922:                the source files for make(1) have changed.
1.18      lukem     923:
1.38      lukem     924:      -U        Set MKUNPRIVED=yes.
1.18      lukem     925:
1.38      lukem     926:      -u        Set MKUPDATE=yes.
1.1       tv        927:
1.21      lukem     928:      -V var=[value]
1.40      lukem     929:                Set the environment variable var to an optional value.  This is
                    930:                propagated to the nbmake wrapper.
1.21      lukem     931:
1.1       tv        932:      -w wrapper
                    933:                Create the nbmake wrapper script (see below) in a custom loca-
                    934:                tion, specified by wrapper.  This allows, for instance, to
                    935:                place the wrapper in PATH automatically.  Note that wrapper is
1.59      apb       936:                the full name of the file, not just a directory name.  If a
                    937:                relative path is specified, it will be converted to an absolute
                    938:                path before being used.
1.1       tv        939:
1.49      lukem     940:      -X x11src
1.59      apb       941:                Set the value of X11SRCDIR to x11src.  If a relative path is
                    942:                specified, it will be converted to an absolute path before
                    943:                being used.
1.49      lukem     944:
                    945:      -x        Set MKX11=yes.
1.40      lukem     947:      -Z var    Unset ("zap") the environment variable var.  This is propagated
                    948:                to the nbmake wrapper.
1.1       tv        950:    The "nbmake-MACHINE" wrapper script
                    951:      If using the build.sh script to build NetBSD, a nbmake-MACHINE script
                    952:      will be created in TOOLDIR/bin upon the first build to assist in building
                    953:      subtrees on a cross-compile host.
                    955:      nbmake-MACHINE can be invoked in lieu of make(1), and will instead call
                    956:      the up-to-date version of ``nbmake'' installed into TOOLDIR/bin with sev-
                    957:      eral key variables pre-set, including MACHINE, MACHINE_ARCH, and TOOLDIR.
1.70      dholland  958:      nbmake-MACHINE will also set variables specified with -V, and unset vari-
                    959:      ables specified with -Z.
1.40      lukem     960:
1.1       tv        961:      This script can be symlinked into a directory listed in PATH, or called
                    962:      with an absolute path.
1.16      lukem     964: EXAMPLES
1.78      apb       965:      1.   % ./build.sh [options] tools kernel=GENERIC
1.28      lukem     966:
                    967:           Build a new toolchain, and use the new toolchain to configure and
                    968:           build a new GENERIC kernel.
1.78      apb       970:      2.   % ./build.sh [options] -U distribution
1.28      lukem     971:
1.30      lukem     972:           Using unprivileged mode, build a complete distribution to a DESTDIR
                    973:           directory that build.sh selects (and will display).
1.28      lukem     974:
1.78      apb       975:      3.   # ./build.sh [options] -U install=/
1.28      lukem     976:
1.29      lukem     977:           As root, install to / the distribution that was built by example 2.
                    978:           Even though this is run as root, -U is required so that the permis-
1.30      lukem     979:           sions stored in DESTDIR/METALOG are correctly applied to the files
                    980:           as they're copied to /.
1.28      lukem     981:
1.78      apb       982:      4.   % ./build.sh [options] -U -u release
1.28      lukem     983:
1.30      lukem     984:           Using unprivileged mode, build a complete release to DESTDIR and
                    985:           RELEASEDIR directories that build.sh selects (and will display).
1.38      lukem     986:           MKUPDATE=yes (-u) is set to prevent the ``make cleandir'', so that
                    987:           if this is run after example 2, it doesn't need to redo that portion
                    988:           of the release build.
1.16      lukem     989:
1.10      sommerfe  990: OBSOLETE VARIABLES
1.70      dholland  991:      NBUILDJOBS  Use the make(1) option -j instead.
1.15      lukem     992:
                    993:      USE_NEW_TOOLCHAIN
                    994:                  The new toolchain is now the default.  To disable, use
                    995:                  TOOLCHAIN_MISSING=yes.
1.10      sommerfe  996:
1.1       tv        997: SEE ALSO
1.62      apb       998:      make(1), hier(7), release(7), etcupdate(8), postinstall(8), sysinst(8),
1.61      apb       999:      pkgsrc/sysutils/cdrtools
1.1       tv       1000:
                   1001: HISTORY
1.15      lukem    1002:      The build.sh based build scheme was introduced for NetBSD 1.6 as
                   1003:      USE_NEW_TOOLCHAIN, and re-worked to TOOLCHAIN_MISSING after that.
1.1       tv       1004:  yamt     1005: NetBSD                        September 19, 2012                        NetBSD

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