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Diff for /src/BUILDING between version 1.104 and 1.121

version 1.104, 2013/05/29 14:47:22 version 1.121, 2015/07/23 08:03:24
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 BUILDING(8)                 System Manager's Manual                BUILDING(8)  BUILDING(8)                 System Manager's Manual                BUILDING(8)
   
 NNAAMMEE  NAME
      BBUUIILLDDIINNGG -- Procedure for building NetBSD from source code.       BUILDING -- Procedure for building NetBSD from source code.
   
 RREEQQUUIIRREEMMEENNTTSS  REQUIREMENTS
      NetBSD is designed to be buildable on most POSIX-compliant host systems.       NetBSD is designed to be buildable on most POSIX-compliant host systems.
      The basic build procedure is the same whether compiling _n_a_t_i_v_e_l_y (on the       The basic build procedure is the same whether compiling natively (on the
      same NetBSD architecture) or _c_r_o_s_s _c_o_m_p_i_l_i_n_g (on another architecture or       same NetBSD architecture) or cross compiling (on another architecture or
      OS).       OS).
   
      This source tree contains a special subtree, ``tools'', which uses the       This source tree contains a special subtree, ``tools'', which uses the
      host system to create a build toolchain for the target architecture.  The       host system to create a build toolchain for the target architecture.  The
      host system must have at least C and C++ compilers in order to create the       host system must have at least C and C++ compilers in order to create the
      toolchain (mmaakkee is not required); all other tools are created as part of       toolchain (make is not required); all other tools are created as part of
      the NetBSD build process.  (See the environment variables section below       the NetBSD build process.  (See the environment variables section below
      if you need to override or manually select your compilers.)       if you need to override or manually select your compilers.)
   
 FFIILLEESS  FILES
    SSoouurrccee ttrreeee llaayyoouutt     Source tree layout
      ddoocc//BBUUIILLDDIINNGG..mmddoocc       doc/BUILDING.mdoc
                     This document (in -mdoc troff format; the original copy).                      This document (in -mdoc troff format; the original copy).
   
      BBUUIILLDDIINNGG       This document (in plaintext).       BUILDING       This document (in plaintext).
   
      ttoooollss//ccoommppaatt//RREEAADDMMEE       tools/compat/README
                     Special notes for cross-hosting a NetBSD build on non-                      Special notes for cross-hosting a NetBSD build on non-
                     NetBSD platforms.                      NetBSD platforms.
   
      MMaakkeeffiillee       The main Makefile for NetBSD; should only be run for       Makefile       The main Makefile for NetBSD; should only be run for
                     native builds with an appropriately up-to-date version of                      native builds with an appropriately up-to-date version of
                     NetBSD make(1).  (For building from out-of-date systems or                      NetBSD make(1).  (For building from out-of-date systems or
                     on a non-native host, see the bbuuiilldd..sshh shell script.)                      on a non-native host, see the build.sh shell script.)
   
      UUPPDDAATTIINNGG       Special notes for updating from an earlier revision of       UPDATING       Special notes for updating from an earlier revision of
                     NetBSD.  It is important to read this file before every                      NetBSD.  It is important to read this file before every
                     build of an updated source tree.                      build of an updated source tree.
   
      bbuuiilldd..sshh       Bourne-compatible shell script used for building the host       build.sh       Bourne-compatible shell script used for building the host
                     build tools and the NetBSD system from scratch.  Can be                      build tools and the NetBSD system from scratch.  Can be
                     used for both native and cross builds, and should be used                      used for both native and cross builds, and should be used
                     instead of make(1) for any source tree that is updated and                      instead of make(1) for any source tree that is updated and
                     recompiled regularly.                      recompiled regularly.
   
      ccrryyppttoo//ddiisstt//, ddiisstt//, ggnnuu//ddiisstt//       crypto/dist/, dist/, gnu/dist/
                     Sources imported verbatim from third parties, without                      Sources imported verbatim from third parties, without
                     mangling the existing build structure.  Other source trees                      mangling the existing build structure.  Other source trees
                     in bbiinn through uussrr..ssbbiinn use the NetBSD make(1)                      in bin through usr.sbin use the NetBSD make(1)
                     ``reachover'' Makefile semantics when building these                      ``reachover'' Makefile semantics when building these
                     programs for a native host.                      programs for a native host.
   
      ddiissttrriibb//, eettcc//       external, sys/external
                       Sources and build infrastructure for components imported
                       (mostly) unchanged from upstream maintainers, sorted by
                       applicable license.  This is (slowly) replacing the
                       crypto/dist, dist, and gnu/dist directories.
   
        distrib/, etc/
                     Sources for items used when making a full release                      Sources for items used when making a full release
                     snapshot, such as files installed in DDEESSTTDDIIRR_/_e_t_c on the                      snapshot, such as files installed in DESTDIR/etc on the
                     destination system, boot media, and release notes.                      destination system, boot media, and release notes.
   
      tteessttss//, rreeggrreessss//       tests/, regress/
                     Regression test harness.  Can be cross-compiled, but only                      Regression test harness.  Can be cross-compiled, but only
                     run natively.  _t_e_s_t_s_/ uses the atf(7) test framework;                      run natively.  tests/ uses the atf(7) test framework;
                     _r_e_g_r_e_s_s_/ contains older tests that have not yet been                      regress/ contains older tests that have not yet been
                     migrated to atf(7).                      migrated to atf(7).
   
      ssyyss//           NetBSD kernel sources.       sys/           NetBSD kernel sources.
   
      ttoooollss//         ``Reachover'' build structure for the host build tools.       tools/         ``Reachover'' build structure for the host build tools.
                     This has a special method of determining out-of-date                      This has a special method of determining out-of-date
                     status.                      status.
   
      bbiinn// ...... uussrr..ssbbiinn//       bin/ ... usr.sbin/
                     Sources to the NetBSD userland (non-kernel) programs.  If                      Sources to the NetBSD userland (non-kernel) programs.  If
                     any of these directories are missing, they will be skipped                      any of these directories are missing, they will be skipped
                     during the build.                      during the build.
   
      xx1111//           ``Reachover'' build structure for X11R6; the source is in       external/mit/xorg/
                     XX1111SSRRCCDDIIRR.                      ``Reachover'' build structure for modular Xorg; the source
                       is in X11SRCDIR.
   
        extsrc/        ``Reachover'' build structure for externally added
                       programs and libraries; the source is in EXTSRCSRCDIR.
   
    BBuuiilldd ttrreeee llaayyoouutt     Build tree layout
      The NetBSD build tree is described in hier(7), and the release layout is       The NetBSD build tree is described in hier(7), and the release layout is
      described in release(7).       described in release(7).
   
 CCOONNFFIIGGUURRAATTIIOONN  CONFIGURATION
    EEnnvviirroonnmmeenntt vvaarriiaabblleess     Environment variables
      Several environment variables control the behaviour of NetBSD builds.       Several environment variables control the behaviour of NetBSD builds.
   
      HHOOSSTT__SSHH           Path name to a shell available on the host system and       HOST_SH           Path name to a shell available on the host system and
                        suitable for use during the build.  The NetBSD build                         suitable for use during the build.  The NetBSD build
                        system requires a modern Bourne-like shell with POSIX-                         system requires a modern Bourne-like shell with POSIX-
                        compliant features, and also requires support for the                         compliant features, and also requires support for the
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                        standardised feature).                         standardised feature).
   
                        Depending on the host system, a suitable shell may be                         Depending on the host system, a suitable shell may be
                        _/_b_i_n_/_s_h, _/_u_s_r_/_x_p_g_4_/_b_i_n_/_s_h, _/_b_i_n_/_k_s_h (provided it is a                         /bin/sh, /usr/xpg4/bin/sh, /bin/ksh (provided it is a
                        variant of ksh that supports the ``local'' keyword,                         variant of ksh that supports the ``local'' keyword,
                        such as ksh88, but not ksh93), or _/_u_s_r_/_l_o_c_a_l_/_b_i_n_/_b_a_s_h.                         such as ksh88, but not ksh93), or /usr/local/bin/bash.
   
                        Most parts of the build require HHOOSSTT__SSHH to be an                         Most parts of the build require HOST_SH to be an
                        absolute path; however, bbuuiilldd..sshh allows it to be a                         absolute path; however, build.sh allows it to be a
                        simple command name, which will be converted to an                         simple command name, which will be converted to an
                        absolute path by searching the PPAATTHH.                         absolute path by searching the PATH.
   
      HHOOSSTT__CCCC           Path name to C compiler used to create the toolchain.       HOST_CC           Path name to C compiler used to create the toolchain.
   
      HHOOSSTT__CCXXXX          Path name to C++ compiler used to create the toolchain.       HOST_CXX          Path name to C++ compiler used to create the toolchain.
   
      MMAACCHHIINNEE           Machine type, e.g., ``macppc''.       MACHINE           Machine type, e.g., ``macppc''.
   
      MMAACCHHIINNEE__AARRCCHH      Machine architecture, e.g., ``powerpc''.       MACHINE_ARCH      Machine architecture, e.g., ``powerpc''.
   
      MMAAKKEE              Path name to invoke make(1) as.       MAKE              Path name to invoke make(1) as.
   
      MMAAKKEEFFLLAAGGSS         Flags to invoke make(1) with.  Note that bbuuiilldd..sshh       MAKEFLAGS         Flags to invoke make(1) with.  Note that build.sh
                        ignores the value of MMAAKKEEFFLLAAGGSS passed in the                         ignores the value of MAKEFLAGS passed in the
                        environment, but allows MMAAKKEEFFLLAAGGSS to be set via the --VV                         environment, but allows MAKEFLAGS to be set via the -V
                        option.                         option.
   
      MMAAKKEEOOBBJJDDIIRR        Directory to use as the ..OOBBJJDDIIRR for the current       MAKEOBJDIR        Directory to use as the .OBJDIR for the current
                        directory.  The value is subjected to variable                         directory.  The value is subjected to variable
                        expansion by make(1).  Typical usage is to set this                         expansion by make(1).  Typical usage is to set this
                        variable to a value involving the use of                         variable to a value involving the use of
                        `${.CURDIR:S...}' or `${.CURDIR:C...}', to derive the                         `${.CURDIR:S...}' or `${.CURDIR:C...}', to derive the
                        value of ..OOBBJJDDIIRR from the value of ..CCUURRDDIIRR.  Used only                         value of .OBJDIR from the value of .CURDIR.  Used only
                        if MMAAKKEEOOBBJJDDIIRRPPRREEFFIIXX is not defined.  MMAAKKEEOOBBJJDDIIRR can be                         if MAKEOBJDIRPREFIX is not defined.  MAKEOBJDIR can be
                        provided only in the environment or via the --OO flag of                         provided only in the environment or via the -O flag of
                        bbuuiilldd..sshh; it cannot usefully be set inside a Makefile,                         build.sh; it cannot usefully be set inside a Makefile,
                        including _m_k_._c_o_n_f or $${{MMAAKKEECCOONNFF}}.                         including mk.conf or ${MAKECONF}.
   
      MMAAKKEEOOBBJJDDIIRRPPRREEFFIIXX  Top level directory of the object directory tree.  The       MAKEOBJDIRPREFIX  Top level directory of the object directory tree.  The
                        value is subjected to variable expansion by make(1).                         value is subjected to variable expansion by make(1).
                        bbuuiilldd..sshh will create the ${MAKEOBJDIRPREFIX} directory                         build.sh will create the ${MAKEOBJDIRPREFIX} directory
                        if necessary, but if make(1) is used without bbuuiilldd..sshh,                         if necessary, but if make(1) is used without build.sh,
                        then rules in <bsd.obj.mk> will abort the build if the                         then rules in <bsd.obj.mk> will abort the build if the
                        ${MAKEOBJDIRPREFIX} directory does not exist.  If the                         ${MAKEOBJDIRPREFIX} directory does not exist.  If the
                        value is defined and valid, then                         value is defined and valid, then
                        ${MAKEOBJDIRPREFIX}/${.CURDIR} is used as the ..OOBBJJDDIIRR                         ${MAKEOBJDIRPREFIX}/${.CURDIR} is used as the .OBJDIR
                        for the current directory.  The current directory may                         for the current directory.  The current directory may
                        be read only.  MMAAKKEEOOBBJJDDIIRRPPRREEFFIIXX can be provided only in                         be read only.  MAKEOBJDIRPREFIX can be provided only in
                        the environment or via the --MM flag of bbuuiilldd..sshh; it                         the environment or via the -M flag of build.sh; it
                        cannot usefully be set inside a Makefile, including                         cannot usefully be set inside a Makefile, including
                        _m_k_._c_o_n_f or $${{MMAAKKEECCOONNFF}}.                         mk.conf or ${MAKECONF}.
   
    ""mmaakkee"" vvaarriiaabblleess     "make" variables
      Several variables control the behavior of NetBSD builds.  Unless       Several variables control the behavior of NetBSD builds.  Unless
      otherwise specified, these variables may be set in either the process       otherwise specified, these variables may be set in either the process
      environment or the make(1) configuration file specified by MMAAKKEECCOONNFF.       environment or the make(1) configuration file specified by MAKECONF.
   
      BBUUIILLDDIIDD     Identifier for the build.  The identifier will be appended to       BUILDID     Identifier for the build.  If set, this should be a short
                  object directory names, and can be consulted in the make(1)                   string that is suitable for use as part of a file or
                    directory name.  The identifier will be appended to object
                    directory names, and can be consulted in the make(1)
                  configuration file in order to set additional build                   configuration file in order to set additional build
                  parameters, such as compiler flags.                   parameters, such as compiler flags.  It will also be used as
                    part of the kernel version string, which can be printed by
                    ``uname -v''.
   
                    Default: Unset.
   
        BUILDINFO   This may be a multi-line string containing information about
                    the build.  This will appear in DESTDIR/etc/release, and it
                    will be stored in the buildinfo variable in any kernels that
                    are built.  When such kernels are booted, the sysctl(7)
                    kern.buildinfo variable will report this value.  The string
                    may contain backslash escape sequences, such as ``\\''
                    (representing a backslash character) and ``\n'' (representing
                    a newline).
   
      BBUUIILLDDSSEEEEDD   GCC uses random numbers when compiling C++ code.  This                   Default: Unset.
   
        BUILDSEED   GCC uses random numbers when compiling C++ code.  This
                  variable seeds the gcc random number generator using the                   variable seeds the gcc random number generator using the
                  -frandom-seed flag with this value.  By default, it is set to                   -frandom-seed flag with this value.  By default, it is set to
                  NetBSD-(majorversion).  Using a fixed value causes C++                   NetBSD-(majorversion).  Using a fixed value causes C++
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                  information is available in the GCC documentation of                   information is available in the GCC documentation of
                  -frandom-seed.                   -frandom-seed.
   
      DDEESSTTDDIIRR     Directory to contain the built NetBSD system.  If set,       DESTDIR     Directory to contain the built NetBSD system.  If set,
                  special options are passed to the compilation tools to                   special options are passed to the compilation tools to
                  prevent their default use of the host system's //uussrr//iinncclluuddee,                   prevent their default use of the host system's /usr/include,
                  //uussrr//lliibb, and so forth.  This pathname must be an absolute                   /usr/lib, and so forth.  This pathname must be an absolute
                  path, and should _n_o_t end with a slash (/) character.  (For                   path, and should not end with a slash (/) character.  (For
                  installation into the system's root directory, set DDEESSTTDDIIRR to                   installation into the system's root directory, set DESTDIR to
                  an empty string, not to ``/'').  The directory must reside on                   an empty string, not to ``/'').  The directory must reside on
                  a file system which supports long file names and hard links.                   a file system which supports long file names and hard links.
   
                  _D_e_f_a_u_l_t: Empty string if UUSSEETTOOOOLLSS is ``yes''; unset                   Default: Empty string if USETOOLS is ``yes''; unset
                  otherwise.                   otherwise.
   
                  _N_o_t_e: bbuuiilldd..sshh will provide a default of _d_e_s_t_d_i_r_.MMAACCHHIINNEE (in                   Note: build.sh will provide a default of destdir.MACHINE (in
                  the top-level ..OOBBJJDDIIRR) unless run in `expert' mode.                   the top-level .OBJDIR) unless run in `expert' mode.
   
        EXTSRCSRCDIR
                    Directory containing sources of externally added programs and
                    libraries.  If specified, must be an absolute path.
   
      MMAAKKEECCOONNFF    The name of the make(1) configuration file.  _O_n_l_y _s_e_t_t_a_b_l_e _i_n                   Default: NETBSDRCDIR/../extsrc, if that exists; otherwise
                  _t_h_e _p_r_o_c_e_s_s _e_n_v_i_r_o_n_m_e_n_t_.                   /usr/extsrc.
   
                  _D_e_f_a_u_l_t: ``/etc/mk.conf''       MAKECONF    The name of the make(1) configuration file.  Only settable in
                    the process environment.
   
      MMAAKKEEVVEERRBBOOSSEE                   Default: ``/etc/mk.conf''
   
        MAKEVERBOSE
                  Level of verbosity of status messages.  Supported values:                   Level of verbosity of status messages.  Supported values:
   
                  0    No descriptive messages or commands executed by make(1)                   0    No descriptive messages or commands executed by make(1)
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                       relevant makefile.                        relevant makefile.
   
                  4    In addition to the above, commands executed by make(1)                   4    In addition to the above, commands executed by make(1)
                       are traced through use of the sh(1) ``--xx'' flag.                        are traced through use of the sh(1) ``-x'' flag.
   
                  _D_e_f_a_u_l_t: 2                   Default: 2
   
      MMKKCCAATTPPAAGGEESS  Can be set to ``yes'' or ``no''.  Indicates whether       MKCATPAGES  Can be set to ``yes'' or ``no''.  Indicates whether
                  preformatted plaintext manual pages will be created during a                   preformatted plaintext manual pages will be created during a
                  build.                   build.
   
                  _D_e_f_a_u_l_t: ``no''                   Default: ``no''
   
        MKCROSSGDB  Can be set to ``yes'' or ``no''.  Create a cross-gdb as a
                    host tool.
   
                    Default: ``no''
   
      MMKKCCRRYYPPTTOO    Can be set to ``yes'' or ``no''.  Indicates whether       MKCRYPTO    Can be set to ``yes'' or ``no''.  Indicates whether
                  cryptographic code will be included in a build; provided for                   cryptographic code will be included in a build; provided for
                  the benefit of countries that do not allow strong                   the benefit of countries that do not allow strong
                  cryptography.  Will not affect use of the standard low-                   cryptography.  Will not affect use of the standard low-
                  security password encryption system, crypt(3).                   security password encryption system, crypt(3).
   
                  _D_e_f_a_u_l_t: ``yes''                   Default: ``yes''
   
      MMKKDDOOCC       Can be set to ``yes'' or ``no''.  Indicates whether system       MKDEBUG     Can be set to ``yes'' or ``no''.  Indicates whether debug
                  documentation destined for DDEESSTTDDIIRR_/_u_s_r_/_s_h_a_r_e_/_d_o_c will be                   information should be generated for all userland binaries
                    compiled.  The result is collected as an additional debug.tgz
                    and xdebug.tgz set and installed in /usr/libdata/debug.
   
                    Default: ``no''
   
        MKDEBUGLIB  Can be set to ``yes'' or ``no''.  Indicates whether debug
                    information (see MKDEBUG) should also be generated for all
                    libraries build.
   
                    Default: ``no''
   
        MKDOC       Can be set to ``yes'' or ``no''.  Indicates whether system
                    documentation destined for DESTDIR/usr/share/doc will be
                  installed during a build.                   installed during a build.
   
                  _D_e_f_a_u_l_t: ``yes''                   Default: ``yes''
   
        MKEXTSRC    Can be set to ``yes'' or ``no''.  Indicates whether extsrc is
                    built from EXTSRCSRCDIR.
   
                    Default: ``no''
   
      MMKKHHTTMMLL      Can be set to ``yes'' or ``no''.  Indicates whether       MKHTML      Can be set to ``yes'' or ``no''.  Indicates whether
                  preformatted HTML manual pages will be built and installed                   preformatted HTML manual pages will be built and installed
   
                  _D_e_f_a_u_l_t: ``yes''                   Default: ``yes''
   
      MMKKHHOOSSTTOOBBJJ   Can be set to ``yes'' or ``no''.  If set to ``yes'', then for       MKHOSTOBJ   Can be set to ``yes'' or ``no''.  If set to ``yes'', then for
                  programs intended to be run on the compile host, the name,                   programs intended to be run on the compile host, the name,
                  release, and architecture of the host operating system will                   release, and architecture of the host operating system will
                  be suffixed to the name of the object directory created by                   be suffixed to the name of the object directory created by
Line 237  CCOONNFFIIGGUURRAATTIIOONN
Line 294  CCOONNFFIIGGUURRAATTIIOONN
                  built to be run on the compile host will use the same object                   built to be run on the compile host will use the same object
                  directory names as programs built to be run on the target.                   directory names as programs built to be run on the target.
   
                  _D_e_f_a_u_l_t: ``no''                   Default: ``no''
   
      MMKKIINNFFOO      Can be set to ``yes'' or ``no''.  Indicates whether GNU Info       MKINFO      Can be set to ``yes'' or ``no''.  Indicates whether GNU Info
                  files, used for the documentation for most of the compilation                   files, used for the documentation for most of the compilation
                  tools, will be created and installed during a build.                   tools, will be created and installed during a build.
   
                  _D_e_f_a_u_l_t: ``yes''                   Default: ``yes''
   
      MMKKKKMMOODD      Can be set to ``yes'' or ``no''.  Indicates whether kernel       MKKDEBUG    Can be set to ``yes'' or ``no''.  Force generation of full-
                    debug symbol versions of all kernels compiled.  Alongside of
                    the netbsd kernel file, an unstripped version netbsd.gdb is
                    created.  This is useful if a cross-gdb is built as well (see
                    MKCROSSGDB).
   
                    Default: ``no''
   
        MKKMOD      Can be set to ``yes'' or ``no''.  Indicates whether kernel
                  modules are built and installed.                   modules are built and installed.
   
                  _D_e_f_a_u_l_t: ``yes''                   Default: ``yes''
   
      MMKKLLIINNTT      Can be set to ``yes'' or ``no''.  Indicates whether lint(1)       MKLINT      Can be set to ``yes'' or ``no''.  Indicates whether lint(1)
                  will be run against portions of the NetBSD source code during                   will be run against portions of the NetBSD source code during
                  the build, and whether lint libraries will be installed into                   the build, and whether lint libraries will be installed into
                  DDEESSTTDDIIRR_/_u_s_r_/_l_i_b_d_a_t_a_/_l_i_n_t.                   DESTDIR/usr/libdata/lint.
   
                  _D_e_f_a_u_l_t: ``yes''                   Default: ``yes''
   
      MMKKMMAANN       Can be set to ``yes'' or ``no''.  Indicates whether manual       MKMAN       Can be set to ``yes'' or ``no''.  Indicates whether manual
                  pages will be installed during a build.                   pages will be installed during a build.
   
                  _D_e_f_a_u_l_t: ``yes''                   Default: ``yes''
   
      MMKKNNLLSS       Can be set to ``yes'' or ``no''.  Indicates whether Native       MKNLS       Can be set to ``yes'' or ``no''.  Indicates whether Native
                  Language System locale zone files will be compiled and                   Language System locale zone files will be compiled and
                  installed during a build.                   installed during a build.
   
                  _D_e_f_a_u_l_t: ``yes''                   Default: ``yes''
   
      MMKKOOBBJJ       Can be set to ``yes'' or ``no''.  Indicates whether object       MKOBJ       Can be set to ``yes'' or ``no''.  Indicates whether object
                  directories will be created when running ``make obj''.  If                   directories will be created when running ``make obj''.  If
                  set to ``no'', then all built files will be located inside                   set to ``no'', then all built files will be located inside
                  the regular source tree.                   the regular source tree.
   
                  _D_e_f_a_u_l_t: ``yes''                   Default: ``yes''
   
                  Note that setting MMKKOOBBJJ to ``no'' is not recommended and may                   Note that setting MKOBJ to ``no'' is not recommended and may
                  cause problems when updating the tree with cvs(1).                   cause problems when updating the tree with cvs(1).
   
      MMKKPPIICC       Can be set to ``yes'' or ``no''.  Indicates whether shared       MKPIC       Can be set to ``yes'' or ``no''.  Indicates whether shared
                  objects and libraries will be created and installed during a                   objects and libraries will be created and installed during a
                  build.  If set to ``no'', the entire built system will be                   build.  If set to ``no'', the entire built system will be
                  statically linked.                   statically linked.
   
                  _D_e_f_a_u_l_t: Platform dependent.  As of this writing, all                   Default: Platform dependent.  As of this writing, all
                  platforms except sshh33 default to ``yes''.                   platforms except sh3 default to ``yes''.
   
      MMKKPPIICCIINNSSTTAALLLL       MKPICINSTALL
                  Can be set to ``yes'' or ``no''.  Indicates whether the ar(1)                   Can be set to ``yes'' or ``no''.  Indicates whether the ar(1)
                  format libraries (lliibb**__ppiicc..aa), used to generate shared                   format libraries (lib*_pic.a), used to generate shared
                  libraries, are installed during a build.                   libraries, are installed during a build.
   
                  _D_e_f_a_u_l_t: ``yes''                   Default: ``yes''
   
      MMKKPPRROOFFIILLEE   Can be set to ``yes'' or ``no''.  Indicates whether profiled       MKPROFILE   Can be set to ``yes'' or ``no''.  Indicates whether profiled
                  libraries (lliibb**__pp..aa) will be built and installed during a                   libraries (lib*_p.a) will be built and installed during a
                  build.                   build.
   
                  _D_e_f_a_u_l_t: ``yes''; however, some platforms turn off MMKKPPRROOFFIILLEE                   Default: ``yes''; however, some platforms turn off MKPROFILE
                  by default at times due to toolchain problems with profiled                   by default at times due to toolchain problems with profiled
                  code.                   code.
   
      MMKKRREEPPRROO     Can be set to ``yes'' or ``no''.  Create reproducable builds.       MKREPRO     Can be set to ``yes'' or ``no''.  Create reproducable builds.
                  This enables different switches to make two builds from the                   This enables different switches to make two builds from the
                  same source tree result in the same build results.                   same source tree result in the same build results.
   
                  _D_e_f_a_u_l_t: ``no''                   Default: ``no''
   
      MMKKSSHHAARREE     Can be set to ``yes'' or ``no''.  Indicates whether files       MKSHARE     Can be set to ``yes'' or ``no''.  Indicates whether files
                  destined to reside in DDEESSTTDDIIRR_/_u_s_r_/_s_h_a_r_e will be built and                   destined to reside in DESTDIR/usr/share will be built and
                  installed during a build.  If set to ``no'', then all of                   installed during a build.  If set to ``no'', then all of
                  MMKKCCAATTPPAAGGEESS, MMKKDDOOCC, MMKKIINNFFOO, MMKKMMAANN, and MMKKNNLLSS will be set to                   MKCATPAGES, MKDOC, MKINFO, MKMAN, and MKNLS will be set to
                  ``no'' unconditionally.                   ``no'' unconditionally.
   
                  _D_e_f_a_u_l_t: ``yes''                   Default: ``yes''
   
      MMKKSSTTRRIIPPIIDDEENNTT       MKSTRIPIDENT
                  Can be set to ``yes'' or ``no''.  Indicates whether RCS IDs,                   Can be set to ``yes'' or ``no''.  Indicates whether RCS IDs,
                  for use with ident(1), should be stripped from program                   for use with ident(1), should be stripped from program
                  binaries and shared libraries.                   binaries and shared libraries.
   
                  _D_e_f_a_u_l_t: ``no''                   Default: ``no''
   
      MMKKUUNNPPRRIIVVEEDD  Can be set to ``yes'' or ``no''.  Indicates whether an       MKUNPRIVED  Can be set to ``yes'' or ``no''.  Indicates whether an
                  unprivileged install will occur.  The user, group,                   unprivileged install will occur.  The user, group,
                  permissions, and file flags, will not be set on the installed                   permissions, and file flags, will not be set on the installed
                  items; instead the information will be appended to a file                   items; instead the information will be appended to a file
                  called _M_E_T_A_L_O_G in DDEESSTTDDIIRR.  The contents of _M_E_T_A_L_O_G are used                   called METALOG in DESTDIR.  The contents of METALOG are used
                  during the generation of the distribution tar files to ensure                   during the generation of the distribution tar files to ensure
                  that the appropriate file ownership is stored.                   that the appropriate file ownership is stored.
   
                  _D_e_f_a_u_l_t: ``no''                   Default: ``no''
   
      MMKKUUPPDDAATTEE    Can be set to ``yes'' or ``no''.  Indicates whether all       MKUPDATE    Can be set to ``yes'' or ``no''.  Indicates whether all
                  install operations intended to write to DDEESSTTDDIIRR will compare                   install operations intended to write to DESTDIR will compare
                  file timestamps before installing, and skip the install phase                   file timestamps before installing, and skip the install phase
                  if the destination files are up-to-date.  This also has                   if the destination files are up-to-date.  This also has
                  implications on full builds (see next subsection).                   implications on full builds (see next subsection).
   
                  _D_e_f_a_u_l_t: ``no''                   Default: ``no''
   
      MMKKXX1111       Can be set to ``yes'' or ``no''.  Indicates whether X11 is       MKX11       Can be set to ``yes'' or ``no''.  Indicates whether X11 is
                  built from XX1111SSRRCCDDIIRR.                   built from X11SRCDIR.
   
                  _D_e_f_a_u_l_t: ``no''                   Default: ``no''
   
      TTOOOOLLDDIIRR     Directory to hold the host tools, once built.  If specified,       TOOLDIR     Directory to hold the host tools, once built.  If specified,
                  must be an absolute path.  This directory should be unique to                   must be an absolute path.  This directory should be unique to
                  a given host system and NetBSD source tree.  (However,                   a given host system and NetBSD source tree.  (However,
                  multiple targets may share the same TTOOOOLLDDIIRR; the target-                   multiple targets may share the same TOOLDIR; the target-
                  dependent files have unique names.)  If unset, a default                   dependent files have unique names.)  If unset, a default
                  based on the uname(1) information of the host platform will                   based on the uname(1) information of the host platform will
                  be created in the ..OOBBJJDDIIRR of _s_r_c.                   be created in the .OBJDIR of src.
   
                  _D_e_f_a_u_l_t: Unset.                   Default: Unset.
   
      UUSSEETTOOOOLLSS    Indicates whether the tools specified by TTOOOOLLDDIIRR should be       USETOOLS    Indicates whether the tools specified by TOOLDIR should be
                  used as part of a build in progress.  Must be set to ``yes''                   used as part of a build in progress.  Must be set to ``yes''
                  if cross-compiling.                   if cross-compiling.
   
                  yyeess    Use the tools from TTOOOOLLDDIIRR.                   yes    Use the tools from TOOLDIR.
   
                  nnoo     Do not use the tools from TTOOOOLLDDIIRR, but refuse to build                   no     Do not use the tools from TOOLDIR, but refuse to build
                         native compilation tool components that are version-                          native compilation tool components that are version-
                         specific for that tool.                          specific for that tool.
   
                  nneevveerr  Do not use the tools from TTOOOOLLDDIIRR, even when building                   never  Do not use the tools from TOOLDIR, even when building
                         native tool components.  This is similar to the                          native tool components.  This is similar to the
                         traditional NetBSD build method, but does _n_o_t verify                          traditional NetBSD build method, but does not verify
                         that the compilation tools in use are up-to-date                          that the compilation tools in use are up-to-date
                         enough in order to build the tree successfully.  This                          enough in order to build the tree successfully.  This
                         may cause build or runtime problems when building the                          may cause build or runtime problems when building the
                         whole NetBSD source tree.                          whole NetBSD source tree.
   
                  _D_e_f_a_u_l_t: ``yes'', unless TTOOOOLLCCHHAAIINN__MMIISSSSIINNGG is set to ``yes''.                   Default: ``yes'', unless TOOLCHAIN_MISSING is set to ``yes''.
   
                  UUSSEETTOOOOLLSS is also set to ``no'' when using <bsd.*.mk> outside                   USETOOLS is also set to ``no'' when using <bsd.*.mk> outside
                  the NetBSD source tree.                   the NetBSD source tree.
   
      XX1111SSRRCCDDIIRR   Directory containing the X11R6 source.  If specified, must be       X11SRCDIR   Directory containing the modular Xorg source.  If specified,
                  an absolute path.  The main X11R6 source is found in                   must be an absolute path.  The main modular Xorg source is
                  XX1111SSRRCCDDIIRR_/_x_f_r_e_e_/_x_c.                   found in X11SRCDIR/external/mit.
   
                  _D_e_f_a_u_l_t: NNEETTBBSSDDRRCCDDIIRR_/_._._/_x_s_r_c, if that exists; otherwise  
                  _/_u_s_r_/_x_s_r_c.  
   
      XX1111FFLLAAVVOOUURR  The style of X11 cross-built, set to either ``Xorg'' or  
                  ``XFree86''.  
   
                  _D_e_f_a_u_l_t: ``Xorg'' on amd64, i386, macppc, shark and sparc64                   Default: NETBSDRCDIR/../xsrc, if that exists; otherwise
                  platforms, ``XFree86'' on everything else.                   /usr/xsrc.
   
    ""mmaakkee"" vvaarriiaabblleess ffoorr ffuullll bbuuiillddss     "make" variables for full builds
      These variables only affect the top level ``Makefile'' and do not affect       These variables only affect the top level ``Makefile'' and do not affect
      manually building subtrees of the NetBSD source code.       manually building subtrees of the NetBSD source code.
   
      IINNSSTTAALLLLWWOORRLLDDDDIIRR  Location for the ``make installworld'' target to install       INSTALLWORLDDIR  Location for the ``make installworld'' target to install
                       to.  If specified, must be an absolute path.                        to.  If specified, must be an absolute path.
   
                       _D_e_f_a_u_l_t: ``/''                        Default: ``/''
   
      MMKKOOBBJJDDIIRRSS        Can be set to ``yes'' or ``no''.  Indicates whether       MKOBJDIRS        Can be set to ``yes'' or ``no''.  Indicates whether
                       object directories will be created automatically (via a                        object directories will be created automatically (via a
                       ``make obj'' pass) at the start of a build.                        ``make obj'' pass) at the start of a build.
   
                       _D_e_f_a_u_l_t: ``no''                        Default: ``no''
   
                       If using bbuuiilldd..sshh, the default is ``yes''.  This may be                        If using build.sh, the default is ``yes''.  This may be
                       set back to ``no'' by giving bbuuiilldd..sshh the --oo option.                        set back to ``no'' by giving build.sh the -o option.
   
      MMKKUUPPDDAATTEE         Can be set to ``yes'' or ``no''.  If set, then in       MKUPDATE         Can be set to ``yes'' or ``no''.  If set, then in
                       addition to the effects described for MMKKUUPPDDAATTEE==yyeess                        addition to the effects described for MKUPDATE=yes
                       above, this implies the effects of NNOOCCLLEEAANNDDIIRR (i.e.,                        above, this implies the effects of NOCLEANDIR (i.e.,
                       ``make cleandir'' is avoided).                        ``make cleandir'' is avoided).
   
                       _D_e_f_a_u_l_t: ``no''                        Default: ``no''
   
                       If using bbuuiilldd..sshh, this may be set by giving the --uu                        If using build.sh, this may be set by giving the -u
                       option.                        option.
   
      NNBBUUIILLDDJJOOBBSS       Now obsolete.  Use the make(1) option --jj, instead.  See       NBUILDJOBS       Now obsolete.  Use the make(1) option -j, instead.  See
                       below.                        below.
   
                       _D_e_f_a_u_l_t: Unset.                        Default: Unset.
   
      NNOOCCLLEEAANNDDIIRR       If set, avoids the ``make cleandir'' phase of a full       NOCLEANDIR       If set, avoids the ``make cleandir'' phase of a full
                       build.  This has the effect of allowing only changed                        build.  This has the effect of allowing only changed
                       files in a source tree to be recompiled.  This can speed                        files in a source tree to be recompiled.  This can speed
                       up builds when updating only a few files in the tree.                        up builds when updating only a few files in the tree.
   
                       _D_e_f_a_u_l_t: Unset.                        Default: Unset.
   
                       See also MMKKUUPPDDAATTEE.                        See also MKUPDATE.
   
      NNOODDIISSTTRRIIBBDDIIRRSS    If set, avoids the ``make distrib-dirs'' phase of a full       NODISTRIBDIRS    If set, avoids the ``make distrib-dirs'' phase of a full
                       build.  This skips running mtree(8) on DDEESSTTDDIIRR, useful                        build.  This skips running mtree(8) on DESTDIR, useful
                       on systems where building as an unprivileged user, or                        on systems where building as an unprivileged user, or
                       where it is known that the system-wide mtree files have                        where it is known that the system-wide mtree files have
                       not changed.                        not changed.
   
                       _D_e_f_a_u_l_t: Unset.                        Default: Unset.
   
      NNOOIINNCCLLUUDDEESS       If set, avoids the ``make includes'' phase of a full       NOINCLUDES       If set, avoids the ``make includes'' phase of a full
                       build.  This has the effect of preventing make(1) from                        build.  This has the effect of preventing make(1) from
                       thinking that some programs are out-of-date simply                        thinking that some programs are out-of-date simply
                       because the system include files have changed.  However,                        because the system include files have changed.  However,
                       this option should not be used when updating the entire                        this option should not be used when updating the entire
                       NetBSD source tree arbitrarily; it is suggested to use                        NetBSD source tree arbitrarily; it is suggested to use
                       MMKKUUPPDDAATTEE==yyeess instead in that case.                        MKUPDATE=yes instead in that case.
   
                       _D_e_f_a_u_l_t: Unset.                        Default: Unset.
   
      RREELLEEAASSEEDDIIRR       If set, specifies the directory to which a release(7)       RELEASEDIR       If set, specifies the directory to which a release(7)
                       layout will be written at the end of a ``make release''.                        layout will be written at the end of a ``make release''.
                       If specified, must be an absolute path.                        If specified, must be an absolute path.
   
                       _D_e_f_a_u_l_t: Unset.                        Default: Unset.
   
                       _N_o_t_e: bbuuiilldd..sshh will provide a default of _r_e_l_e_a_s_e_d_i_r (in                        Note: build.sh will provide a default of releasedir (in
                       the top-level ..OOBBJJDDIIRR) unless run in `expert' mode.                        the top-level .OBJDIR) unless run in `expert' mode.
   
 BBUUIILLDDIINNGG  BUILDING
    ""mmaakkee"" ccoommmmaanndd lliinnee ooppttiioonnss     "make" command line options
      This is not a summary of all the options available to make(1); only the       This is not a summary of all the options available to make(1); only the
      options used most frequently with NetBSD builds are listed here.       options used most frequently with NetBSD builds are listed here.
   
      --jj _n_j_o_b    Run up to _n_j_o_b make(1) subjobs in parallel.  Makefiles should       -j njob    Run up to njob make(1) subjobs in parallel.  Makefiles should
                 use .WAIT or have explicit dependencies as necessary to                  use .WAIT or have explicit dependencies as necessary to
                 enforce build ordering.                  enforce build ordering.
   
      --mm _d_i_r     Specify the default directory for searching for system       -m dir     Specify the default directory for searching for system
                 Makefile segments, mainly the <bsd.*.mk> files.  When building                  Makefile segments, mainly the <bsd.*.mk> files.  When building
                 any full NetBSD source tree, this should be set to the                  any full NetBSD source tree, this should be set to the
                 ``share/mk'' directory in the source tree.  This is set                  ``share/mk'' directory in the source tree.  This is set
                 automatically when building from the top level, or when using                  automatically when building from the top level, or when using
                 bbuuiilldd..sshh.                  build.sh.
   
      --nn         Display the commands that would have been executed, but do not       -n         Display the commands that would have been executed, but do not
                 actually execute them.  This will still cause recursion to                  actually execute them.  This will still cause recursion to
                 take place.                  take place.
   
      --VV _v_a_r     Print make(1)'s idea of the value of _v_a_r.  Does not build any       -V var     Print make(1)'s idea of the value of var.  Does not build any
                 targets.                  targets.
   
      _v_a_r_=_v_a_l_u_e  Set the variable _v_a_r to _v_a_l_u_e, overriding any setting       var=value  Set the variable var to value, overriding any setting
                 specified by the process environment, the MMAAKKEECCOONNFF                  specified by the process environment, the MAKECONF
                 configuration file, or the system Makefile segments.                  configuration file, or the system Makefile segments.
   
    ""mmaakkee"" ttaarrggeettss     "make" targets
      These default targets may be built by running make(1) in any subtree of       These default targets may be built by running make(1) in any subtree of
      the NetBSD source code.  It is recommended that none of these be used       the NetBSD source code.  It is recommended that none of these be used
      from the top level Makefile; as a specific exception, ``make obj'' and       from the top level Makefile; as a specific exception, ``make obj'' and
      ``make cleandir'' are useful in that context.       ``make cleandir'' are useful in that context.
   
      aallll        Build programs, libraries, and preformatted documentation.       all        Build programs, libraries, and preformatted documentation.
   
      cclleeaann      Remove program and library object code files.       clean      Remove program and library object code files.
   
      cclleeaannddiirr   Same as cclleeaann, but also remove preformatted documentation,       cleandir   Same as clean, but also remove preformatted documentation,
                 dependency files generated by ``make depend'', and any other                  dependency files generated by ``make depend'', and any other
                 files known to be created at build time.                  files known to be created at build time.
   
      ddeeppeenndd     Create dependency files (..ddeeppeenndd) containing more detailed       depend     Create dependency files (.depend) containing more detailed
                 information about the dependencies of source code on header                  information about the dependencies of source code on header
                 files.  Allows programs to be recompiled automatically when a                  files.  Allows programs to be recompiled automatically when a
                 dependency changes.                  dependency changes.
   
      ddeeppeennddaallll  Does a ``make depend'' immediately followed by a ``make all''.       dependall  Does a ``make depend'' immediately followed by a ``make all''.
                 This improves cache locality of the build since both passes                  This improves cache locality of the build since both passes
                 read the source files in their entirety.                  read the source files in their entirety.
   
      ddiissttcclleeaann  Synonym for cclleeaannddiirr.       distclean  Synonym for cleandir.
   
      iinncclluuddeess   Build and install system header files.  Typically needed       includes   Build and install system header files.  Typically needed
                 before any system libraries or programs can be built.                  before any system libraries or programs can be built.
   
      iinnssttaallll    Install programs, libraries, and documentation into DDEESSTTDDIIRR.       install    Install programs, libraries, and documentation into DESTDIR.
                 Few files will be installed to DDEESSTTDDIIRR_/_d_e_v, DDEESSTTDDIIRR_/_e_t_c,                  Few files will be installed to DESTDIR/dev, DESTDIR/etc,
                 DDEESSTTDDIIRR_/_r_o_o_t or DDEESSTTDDIIRR_/_v_a_r in order to prevent user supplied                  DESTDIR/root or DESTDIR/var in order to prevent user supplied
                 configuration data from being overwritten.                  configuration data from being overwritten.
   
      lliinntt       Run lint(1) against the C source code, where appropriate, and       lint       Run lint(1) against the C source code, where appropriate, and
                 generate system-installed lint libraries.                  generate system-installed lint libraries.
   
      oobbjj        Create object directories to be used for built files, instead       obj        Create object directories to be used for built files, instead
                 of building directly in the source tree.                  of building directly in the source tree.
   
      ttaaggss       Create ctags(1) searchable function lists usable by the ex(1)       tags       Create ctags(1) searchable function lists usable by the ex(1)
                 and vi(1) text editors.                  and vi(1) text editors.
   
    ""mmaakkee"" ttaarrggeettss ffoorr tthhee ttoopp lleevveell     "make" targets for the top level
      Additional make(1) targets are usable specifically from the top source       Additional make(1) targets are usable specifically from the top source
      level to facilitate building the entire NetBSD source tree.       level to facilitate building the entire NetBSD source tree.
   
      bbuuiilldd         Build the entire NetBSD system (except the kernel).  This       build         Build the entire NetBSD system (except the kernel).  This
                    orders portions of the source tree such that prerequisites                     orders portions of the source tree such that prerequisites
                    will be built in the proper order.                     will be built in the proper order.
   
      ddiissttrriibbuuttiioonn  Do a ``make build'', and then install a full distribution       distribution  Do a ``make build'', and then install a full distribution
                    (which does not include a kernel) into DDEESSTTDDIIRR, including                     (which does not include a kernel) into DESTDIR, including
                    files in DDEESSTTDDIIRR_/_d_e_v, DDEESSTTDDIIRR_/_e_t_c, DDEESSTTDDIIRR_/_r_o_o_t and                     files in DESTDIR/dev, DESTDIR/etc, DESTDIR/root and
                    DDEESSTTDDIIRR_/_v_a_r.                     DESTDIR/var.
   
      bbuuiillddwwoorrlldd    As per ``make distribution'', except that it ensures that       buildworld    As per ``make distribution'', except that it ensures that
                    DDEESSTTDDIIRR is not the root directory.                     DESTDIR is not the root directory.
   
      iinnssttaallllwwoorrlldd  Install the distribution from DDEESSTTDDIIRR to IINNSSTTAALLLLWWOORRLLDDDDIIRR,       installworld  Install the distribution from DESTDIR to INSTALLWORLDDIR,
                    which defaults to the root directory.  Ensures that                     which defaults to the root directory.  Ensures that
                    IINNSSTTAALLLLWWOORRLLDDDDIIRR is not the root directory if cross                     INSTALLWORLDDIR is not the root directory if cross
                    compiling.                     compiling.
   
                    The IINNSSTTAALLLLSSEETTSS environment variable may be set to a space-                     The INSTALLSETS environment variable may be set to a space-
                    separated list of distribution sets to be installed.  By                     separated list of distribution sets to be installed.  By
                    default, all sets except ``etc'' and ``xetc'' are                     default, all sets except ``etc'' and ``xetc'' are
                    installed, so most files in IINNSSTTAALLLLWWOORRLLDDDDIIRR_/_e_t_c will not be                     installed, so most files in INSTALLWORLDDIR/etc will not be
                    installed or modified.                     installed or modified.
   
                    _N_o_t_e: Before performing this operation with                     Note: Before performing this operation with
                    IINNSSTTAALLLLWWOORRLLDDDDIIRR=_/, it is highly recommended that you                     INSTALLWORLDDIR=/, it is highly recommended that you
                    upgrade your kernel and reboot.  After performing this                     upgrade your kernel and reboot.  After performing this
                    operation, it is recommended that you use etcupdate(8) to                     operation, it is recommended that you use etcupdate(8) to
                    update files in IINNSSTTAALLLLWWOORRLLDDDDIIRR_/_e_t_c, and postinstall(8) to                     update files in INSTALLWORLDDIR/etc, and postinstall(8) to
                    check for or fix inconsistencies.                     check for or fix inconsistencies.
   
      sseettss          Create distribution sets from DDEESSTTDDIIRR into       sets          Create distribution sets from DESTDIR into
                    RREELLEEAASSEEDDIIRR//RREELLEEAASSEEMMAACCHHIINNEEDDIIRR_/_b_i_n_a_r_y_/_s_e_t_s.  Should be run                     RELEASEDIR/RELEASEMACHINEDIR/binary/sets.  Should be run
                    after ``make distribution'', as ``make build'' alone does                     after ``make distribution'', as ``make build'' alone does
                    not install all of the required files.                     not install all of the required files.
   
      ssoouurrcceesseettss    Create source sets of the source tree into       sourcesets    Create source sets of the source tree into
                    RREELLEEAASSEEDDIIRR_/_s_o_u_r_c_e_/_s_e_t_s.                     RELEASEDIR/source/sets.
   
      ssyyssppkkggss       Create syspkgs from DDEESSTTDDIIRR into       syspkgs       Create syspkgs from DESTDIR into
                    RREELLEEAASSEEDDIIRR//RREELLEEAASSEEMMAACCHHIINNEEDDIIRR_/_b_i_n_a_r_y_/_s_y_s_p_k_g_s.  Should be run                     RELEASEDIR/RELEASEMACHINEDIR/binary/syspkgs.  Should be run
                    after ``make distribution'', as ``make build'' alone does                     after ``make distribution'', as ``make build'' alone does
                    not install all of the required files.                     not install all of the required files.
   
      rreelleeaassee       Do a ``make distribution'', build kernels, distribution       release       Do a ``make distribution'', build kernels, distribution
                    media, and install sets (this as per ``make sets''), and                     media, and install sets (this as per ``make sets''), and
                    then package the system into a standard release layout as                     then package the system into a standard release layout as
                    described by release(7).  This requires that RREELLEEAASSEEDDIIRR be                     described by release(7).  This requires that RELEASEDIR be
                    set (see above).                     set (see above).
   
      iissoo--iimmaaggee     Create a NetBSD installation CD-ROM image in the       iso-image     Create a NetBSD installation CD-ROM image in the
                    RREELLEEAASSEEDDIIRR_/_i_s_o directory.  The CD-ROM file system will have                     RELEASEDIR/images directory.  The CD-ROM file system will
                    a layout as described in release(7).                     have a layout as described in release(7).
   
                    For most machine types, the CD-ROM will be bootable, and                     For most machine types, the CD-ROM will be bootable, and
                    will automatically run the sysinst(8) menu-based                     will automatically run the sysinst(8) menu-based
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                    populated by ``make release'' or equivalent.                     populated by ``make release'' or equivalent.
   
                    Note that other, smaller, CD-ROM images may be created in                     Note that other, smaller, CD-ROM images may be created in
                    the RREELLEEAASSEEDDIIRR//RREELLEEAASSEEMMAACCHHIINNEEDDIIRR_/_i_n_s_t_a_l_l_a_t_i_o_n_/_c_d_r_o_m                     the RELEASEDIR/RELEASEMACHINEDIR/installation/cdrom
                    directory by ``make release''.  These smaller images                     directory by ``make release''.  These smaller images
                    usually contain the same tools as the larger images in                     usually contain the same tools as the larger images in
                    RREELLEEAASSEEDDIIRR_/_i_s_o, but do not contain additional content such                     RELEASEDIR/images, but do not contain additional content
                    as the distribution sets.                     such as the distribution sets.
   
                    Note that the mac68k port still uses an older method of                     Note that the mac68k port still uses an older method of
                    creating CD-ROM images.  This requires the mkisofs(1)                     creating CD-ROM images.  This requires the mkisofs(1)
                    utility, which is not part of NetBSD, but which can be                     utility, which is not part of NetBSD, but which can be
                    installed from _p_k_g_s_r_c_/_s_y_s_u_t_i_l_s_/_c_d_r_t_o_o_l_s.                     installed from pkgsrc/sysutils/cdrtools.
   
      iissoo--iimmaaggee--ssoouurrccee       iso-image-source
                    Create a NetBSD installation CD-ROM image in the                     Create a NetBSD installation CD-ROM image in the
                    RREELLEEAASSEEDDIIRR_/_i_s_o directory.  The CD-ROM file system will have                     RELEASEDIR/images directory.  The CD-ROM file system will
                    a layout as described in release(7).  It will have top                     have a layout as described in release(7).  It will have top
                    level directories for the machine type and source.                     level directories for the machine type and source.
   
                    For most machine types, the CD-ROM will be bootable, and                     For most machine types, the CD-ROM will be bootable, and
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                    equivalent.                     equivalent.
   
                    Note that other, smaller, CD-ROM images may be created in                     Note that other, smaller, CD-ROM images may be created in
                    the RREELLEEAASSEEDDIIRR//RREELLEEAASSEEMMAACCHHIINNEEDDIIRR_/_i_n_s_t_a_l_l_a_t_i_o_n_/_c_d_r_o_m                     the RELEASEDIR/RELEASEMACHINEDIR/installation/cdrom
                    directory by ``make release''.  These smaller images                     directory by ``make release''.  These smaller images
                    usually contain the same tools as the larger images in                     usually contain the same tools as the larger images in
                    RREELLEEAASSEEDDIIRR_/_i_s_o, but do not contain additional content such                     RELEASEDIR/images, but do not contain additional content
                    as the distribution sets.                     such as the distribution sets.
   
                    Note that the mac68k port still uses an older method of                     Note that the mac68k port still uses an older method of
                    creating CD-ROM images.  This requires the mkisofs(1)                     creating CD-ROM images.  This requires the mkisofs(1)
                    utility, which is not part of NetBSD, but which can be                     utility, which is not part of NetBSD, but which can be
                    installed from _p_k_g_s_r_c_/_s_y_s_u_t_i_l_s_/_c_d_r_t_o_o_l_s.                     installed from pkgsrc/sysutils/cdrtools.
   
      iinnssttaallll--iimmaaggee       install-image
                    Create a bootable NetBSD installation disk image in the                     Create a bootable NetBSD installation disk image in the
                    RREELLEEAASSEEDDIIRR//RREELLEEAASSEEMMAACCHHIINNEEDDIIRR_/_i_n_s_t_a_l_l_a_t_i_o_n_/_i_n_s_t_a_l_l_i_m_a_g_e                     RELEASEDIR/RELEASEMACHINEDIR/installation/installimage
                    directory.  The installation disk image is suitable for                     directory.  The installation disk image is suitable for
                    copying to bootable USB flash memory sticks, etc., for                     copying to bootable USB flash memory sticks, etc., for
                    machines which are able to boot from such devices.  The                     machines which are able to boot from such devices.  The
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                    image also contains tools that may be useful in repairing a                     image also contains tools that may be useful in repairing a
                    damaged NetBSD installation.                     damaged NetBSD installation.
   
                    Before ``make install-image'' is attempted, RREELLEEAASSEEDDIIRR must                     Before ``make install-image'' is attempted, RELEASEDIR must
                    be populated by ``make release'' or equivalent.  The build                     be populated by ``make release'' or equivalent.  The build
                    must have been performed with MMKKUUNNPPRRIIVVEEDD==yyeess because ``make                     must have been performed with MKUNPRIVED=yes because ``make
                    install-image'' relies on information in DDEESSTTDDIIRR_/_M_E_T_A_L_O_G.                     install-image'' relies on information in DESTDIR/METALOG.
   
      live-image    Create NetBSD live images in the       live-image    Create NetBSD live images in the RELEASEDIR/images
                    RREELLEEAASSEEDDIIRR//RREELLEEAASSEEMMAACCHHIINNEEDDIIRR_/_i_n_s_t_a_l_l_a_t_i_o_n_/_l_i_v_e_i_m_a_g_e  
                    directory.  The live image contains all necessary files to                     directory.  The live image contains all necessary files to
                    boot NetBSD up to multi-user mode, including all files                     boot NetBSD up to multi-user mode, including all files
                    which should be extracted during installation, NetBSD                     which should be extracted during installation, NetBSD
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                    Before ``make live-image'' is attempted, RELEASEDIR must be                     Before ``make live-image'' is attempted, RELEASEDIR must be
                    populated by ``make release'' or equivalent.  The build                     populated by ``make release'' or equivalent.  The build
                    must have been performed with MMKKUUNNPPRRIIVVEEDD==yyeess because ``make                     must have been performed with MKUNPRIVED=yes because ``make
                    install-image'' relies on information in DDEESSTTDDIIRR_/_M_E_T_A_L_O_G.                     install-image'' relies on information in DESTDIR/METALOG.
   
      rreeggrreessssiioonn--tteessttss       regression-tests
                    Can only be run after building the regression tests in the                     Can only be run after building the regression tests in the
                    directory ``regress''.  Runs those compiled regression                     directory ``regress''.  Runs those compiled regression
                    tests on the local host.  Note that most tests are now                     tests on the local host.  Note that most tests are now
                    managed instead using atf(7); this target should probably                     managed instead using atf(7); this target should probably
                    run those as well but currently does not.                     run those as well but currently does not.
   
    TThhee ""bbuuiilldd..sshh"" ssccrriipptt     The "build.sh" script
      This script file is a shell script designed to build the entire NetBSD       This script file is a shell script designed to build the entire NetBSD
      system on any host with a suitable modern shell and some common       system on any host with a suitable modern shell and some common
      utilities.  The required shell features are described under the HHOOSSTT__SSHH       utilities.  The required shell features are described under the HOST_SH
      variable.       variable.
   
      If a host system's default shell does support the required features, then       If a host system's default shell does support the required features, then
      we suggest that you explicitly specify a suitable shell using a command       we suggest that you explicitly specify a suitable shell using a command
      like       like
   
            /path/to/suitable/shell build.sh [_o_p_t_i_o_n_s]             /path/to/suitable/shell build.sh [options]
   
      The above command will usually enable bbuuiilldd..sshh to automatically set       The above command will usually enable build.sh to automatically set
      HHOOSSTT__SSHH==_/_p_a_t_h_/_t_o_/_s_u_i_t_a_b_l_e_/_s_h_e_l_l, but if that fails, then the following       HOST_SH=/path/to/suitable/shell, but if that fails, then the following
      set of commands may be used instead:       set of commands may be used instead:
   
            HOST_SH=_/_p_a_t_h_/_t_o_/_s_u_i_t_a_b_l_e_/_s_h_e_l_l             HOST_SH=/path/to/suitable/shell
            export HOST_SH             export HOST_SH
            ${HOST_SH} build.sh [_o_p_t_i_o_n_s]             ${HOST_SH} build.sh [options]
   
      If bbuuiilldd..sshh detects that it is being executed under an unsuitable shell,       If build.sh detects that it is being executed under an unsuitable shell,
      it attempts to exec a suitable shell instead, or prints an error message.       it attempts to exec a suitable shell instead, or prints an error message.
      If HHOOSSTT__SSHH is not set explicitly, then bbuuiilldd..sshh sets a default using       If HOST_SH is not set explicitly, then build.sh sets a default using
      heuristics dependent on the host platform, or from the shell under which       heuristics dependent on the host platform, or from the shell under which
      bbuuiilldd..sshh is executed (if that can be determined), or using the first copy       build.sh is executed (if that can be determined), or using the first copy
      of _s_h found in PPAATTHH.       of sh found in PATH.
   
      All cross-compile builds, and most native builds, of the entire system       All cross-compile builds, and most native builds, of the entire system
      should make use of bbuuiilldd..sshh rather than just running ``make''.  This way,       should make use of build.sh rather than just running ``make''.  This way,
      the make(1) program will be bootstrapped properly, in case the host       the make(1) program will be bootstrapped properly, in case the host
      system has an older or incompatible ``make'' program.       system has an older or incompatible ``make'' program.
   
      When compiling the entire system via bbuuiilldd..sshh, many make(1) variables are       When compiling the entire system via build.sh, many make(1) variables are
      set for you in order to help encapsulate the build process.  In the list       set for you in order to help encapsulate the build process.  In the list
      of options below, variables that are automatically set by bbuuiilldd..sshh are       of options below, variables that are automatically set by build.sh are
      noted where applicable.       noted where applicable.
   
      The following operations are supported by bbuuiilldd..sshh:       The following operations are supported by build.sh:
   
      bbuuiilldd         Build the system as per ``make build''.  Before the main       build         Build the system as per ``make build''.  Before the main
                    part of the build commences, this command runs the oobbjj                     part of the build commences, this command runs the obj
                    operation (unless the --oo option is given), ``make                     operation (unless the -o option is given), ``make
                    cleandir'' (unless the --uu option is given), and the ttoooollss                     cleandir'' (unless the -u option is given), and the tools
                    operation.                     operation.
   
      ddiissttrriibbuuttiioonn  Build a full distribution as per ``make distribution''.       distribution  Build a full distribution as per ``make distribution''.
                    This command first runs the bbuuiilldd operation.                     This command first runs the build operation.
   
      rreelleeaassee       Build a full release as per ``make release''.  This command       release       Build a full release as per ``make release''.  This command
                    first runs the ddiissttrriibbuuttiioonn operation.                     first runs the distribution operation.
   
      mmaakkeewwrraappppeerr   Create the nnbbmmaakkee--MMAACCHHIINNEE wrapper.  This operation is       makewrapper   Create the nbmake-MACHINE wrapper.  This operation is
                    automatically performed for any of the other operations.                     automatically performed for any of the other operations.
   
      cclleeaannddiirr      Perform ``make cleandir''.       cleandir      Perform ``make cleandir''.
   
      oobbjj           Perform ``make obj''.       obj           Perform ``make obj''.
   
      ttoooollss         Build and install the host tools from _s_r_c_/_t_o_o_l_s.  This       tools         Build and install the host tools from src/tools.  This
                    command will first run ``make obj'' and ``make cleandir''                     command will first run ``make obj'' and ``make cleandir''
                    in the _t_o_o_l_s subdirectory unless the --oo or --uu options                     in the tools subdirectory unless the -o or -u options
                    (respectively) are given.                     (respectively) are given.
   
      iinnssttaallll=_i_d_i_r  Install the contents of DDEESSTTDDIIRR to _i_d_i_r, using ``make       install=idir  Install the contents of DESTDIR to idir, using ``make
                    installworld''.  Note that files that are part of the                     installworld''.  Note that files that are part of the
                    ``etc'' or ``xetc'' sets will not be installed, unless                     ``etc'' or ``xetc'' sets will not be installed, unless
                    overridden by the INSTALLSETS environment variable.                     overridden by the INSTALLSETS environment variable.
   
      kkeerrnneell=_k_c_o_n_f  Build a new kernel.  The _k_c_o_n_f argument is the name of a       kernel=kconf  Build a new kernel.  The kconf argument is the name of a
                    configuration file suitable for use by config(1).  If _k_c_o_n_f                     configuration file suitable for use by config(1).  If kconf
                    does not contain any `/' characters, the configuration file                     does not contain any `/' characters, the configuration file
                    is expected to be found in the KKEERRNNCCOONNFFDDIIRR directory, which                     is expected to be found in the KERNCONFDIR directory, which
                    is typically ssyyss//aarrcchh//MMAACCHHIINNEE//ccoonnff.  The new kernel will be                     is typically sys/arch/MACHINE/conf.  The new kernel will be
                    built in a subdirectory of KKEERRNNOOBBJJDDIIRR, which is typically                     built in a subdirectory of KERNOBJDIR, which is typically
                    ssyyss//aarrcchh//MMAACCHHIINNEE//ccoommppiillee or an associated object directory.                     sys/arch/MACHINE/compile or an associated object directory.
   
                    This command does _n_o_t imply the ttoooollss command; run the                     This command does not imply the tools command; run the
                    ttoooollss command first unless it is _c_e_r_t_a_i_n that the tools                     tools command first unless it is certain that the tools
                    already exist and are up to date.                     already exist and are up to date.
   
                    This command will run ``make cleandir'' on the kernel in                     This command will run ``make cleandir'' on the kernel in
                    question first unless the --uu option is given.                     question first unless the -u option is given.
   
        kernel.gdb=kconf
                      Build a new kernel with debug information.  Similar to the
                      above kernel=kconf operation, but creates a netbsd.gdb file
                      alongside of the kernel netbsd, which contains a full
                      symbol table and can be used for debugging (for example
                      with a cross-gdb built by MKCROSSGDB).
   
        kernels       This command will build all kernels defined in port
                      specific release build procedure.
   
                      This command internally calls the kernel=kconf operation
                      for each found kernel configuration file.
   
      mmoodduulleess       This command will build kernel modules and install them       modules       This command will build kernel modules and install them
                    into DDEESSTTDDIIRR.                     into DESTDIR.
   
      rreelleeaasseekkeerrnneell=_k_c_o_n_f       releasekernel=kconf
                    Install a gzip(1)ed copy of the kernel previously built by                     Install a gzip(1)ed copy of the kernel previously built by
                    kkeerrnneell=_k_c_o_n_f into                     kernel=kconf into
                    RREELLEEAASSEEDDIIRR//RREELLEEAASSEEMMAACCHHIINNEEDDIIRR_/_b_i_n_a_r_y_/_k_e_r_n_e_l, usually as                     RELEASEDIR/RELEASEMACHINEDIR/binary/kernel, usually as
                    _n_e_t_b_s_d_-_k_c_o_n_f_._g_z, although the ``_n_e_t_b_s_d'' prefix is                     netbsd-kconf.gz, although the ``netbsd'' prefix is
                    determined from the ``ccoonnffiigg'' directives in _k_c_o_n_f.                     determined from the ``config'' directives in kconf.
   
      sseettss          Perform ``make sets''.       sets          Perform ``make sets''.
   
      ssoouurrcceesseettss    Perform ``make sourcesets''.       sourcesets    Perform ``make sourcesets''.
   
      ssyyssppkkggss       Perform ``make syspkgs''.       syspkgs       Perform ``make syspkgs''.
   
      iissoo--iimmaaggee     Perform ``make iso-image''.       iso-image     Perform ``make iso-image''.
   
      iissoo--iimmaaggee--ssoouurrccee       iso-image-source
                    Perform ``make iso-image-source''.                     Perform ``make iso-image-source''.
   
      iinnssttaallll--iimmaaggee       install-image
                    Perform ``make install-image''.                     Perform ``make install-image''.
   
      lliivvee--iimmaaggee    Perform ``make live-image''.       live-image    Perform ``make live-image''.
   
      The following command line options alter the behaviour of the bbuuiilldd..sshh       list-arch     Prints a list of valid MACHINE and MACHINE_ARCH settings,
                      the default MACHINE_ARCH for each MACHINE, and aliases for
                      MACHINE/MACHINE_ARCH pairs, and then exits.  The -m or -a
                      options (or both) may be used to specify glob patterns that
                      will be used to narrow the list of results; for example,
                      ``build.sh -m 'evm*' -a '*arm*' list-arch'' will list all
                      known MACHINE/MACHINE_ARCH values in which either MACHINE
                      or ALIAS matches the pattern `evb*', and MACHINE_ARCH
                      matches the pattern `*arm*'.
   
        The following command line options alter the behaviour of the build.sh
      operations described above:       operations described above:
   
      --aa _a_r_c_h   Set the value of MMAACCHHIINNEE__AARRCCHH to _a_r_c_h.       -a arch   Set the value of MACHINE_ARCH to arch.  See the -m option for
                  more information.
   
      --BB _b_u_i_l_d_i_d       -B buildid
                Set the value of BBUUIILLDDIIDD to _b_u_i_l_d_i_d.  This will also append the                 Set the value of BUILDID to buildid.  This will also append the
                build identifier to the name of the ``make'' wrapper script so                 build identifier to the name of the ``make'' wrapper script so
                that the resulting name is of the form                 that the resulting name is of the form
                ``nnbbmmaakkee--MMAACCHHIINNEE--BBUUIILLDDIIDD''.                 ``nbmake-MACHINE-BUILDID''.
   
      --CC _c_d_e_x_t_r_a_s       -C cdextras
                Append _c_d_e_x_t_r_a_s to the CCDDEEXXTTRRAA variable, which is a space-                 Append cdextras to the CDEXTRA variable, which is a space-
                separated list of files or directories that will be added to                 separated list of files or directories that will be added to
                the CD-ROM image that may be create by the ``iso-image'' or                 the CD-ROM image that may be create by the ``iso-image'' or
                ``iso-image-source'' operations.  Files will be added to the                 ``iso-image-source'' operations.  Files will be added to the
                root of the CD-ROM image, whereas directories will be copied                 root of the CD-ROM image, whereas directories will be copied
                recursively.  If relative paths are specified, they will be                 recursively.  If relative paths are specified, they will be
                converted to absolute paths before being used.  Multiple paths                 converted to absolute paths before being used.  Multiple paths
                may be specified via multiple --CC options, or via a single                 may be specified via multiple -C options, or via a single
                option whose argument contains multiple space-separated paths.                 option whose argument contains multiple space-separated paths.
   
      --DD _d_e_s_t   Set the value of DDEESSTTDDIIRR to _d_e_s_t.  If a relative path is       -D dest   Set the value of DESTDIR to dest.  If a relative path is
                specified, it will be converted to an absolute path before                 specified, it will be converted to an absolute path before
                being used.                 being used.
   
      --EE        Set `expert' mode.  This overrides various sanity checks, and       -E        Set `expert' mode.  This overrides various sanity checks, and
                allows: DDEESSTTDDIIRR does not have to be set to a non-root path for                 allows: DESTDIR does not have to be set to a non-root path for
                builds, and MMKKUUNNPPRRIIVVEEDD==yyeess does not have to be set when                 builds, and MKUNPRIVED=yes does not have to be set when
                building as a non-root user.                 building as a non-root user.
   
                _N_o_t_e: It is highly recommended that you know what you are doing                 Note: It is highly recommended that you know what you are doing
                when you use this option.                 when you use this option.
   
      --hh        Print a help message.       -h        Print a help message.
   
      --jj _n_j_o_b   Run up to _n_j_o_b make(1) subjobs in parallel; passed through to       -j njob   Run up to njob make(1) subjobs in parallel; passed through to
                make(1).  If you see failures for reasons other than running                 make(1).  If you see failures for reasons other than running
                out of memory while using bbuuiilldd..sshh with --jj, please save                 out of memory while using build.sh with -j, please save
                complete build logs so the failures can be analyzed.                 complete build logs so the failures can be analyzed.
   
                To achieve the fastest builds, --jj values between (1 + the                 To achieve the fastest builds, -j values between (1 + the
                number of CPUs) and (2 * the number of CPUs) are recommended.                 number of CPUs) and (2 * the number of CPUs) are recommended.
                Use lower values on machines with limited memory or I/O                 Use lower values on machines with limited memory or I/O
                bandwidth.                 bandwidth.
   
      --MM _o_b_j    Set MMAAKKEEOOBBJJDDIIRRPPRREEFFIIXX to _o_b_j.  Unsets MMAAKKEEOOBBJJDDIIRR.  See ``--OO       -M obj    Set MAKEOBJDIRPREFIX to obj.  Unsets MAKEOBJDIR.  See ``-O
                --oobbjj'' for more information.                 obj'' for more information.
   
                For instance, if the source directory is _/_u_s_r_/_s_r_c, a setting of                 For instance, if the source directory is /usr/src, a setting of
                ``--MM _/_u_s_r_/_o_b_j'' will place build-time files under                 ``-M /usr/obj'' will place build-time files under
                _/_u_s_r_/_o_b_j_/_u_s_r_/_s_r_c_/_b_i_n, _/_u_s_r_/_o_b_j_/_u_s_r_/_s_r_c_/_l_i_b,                 /usr/obj/usr/src/bin, /usr/obj/usr/src/lib,
                _/_u_s_r_/_o_b_j_/_u_s_r_/_s_r_c_/_u_s_r_._b_i_n, and so forth.                 /usr/obj/usr/src/usr.bin, and so forth.
   
                If a relative path is specified, it will be converted to an                 If a relative path is specified, it will be converted to an
                absolute path before being used.  bbuuiilldd..sshh imposes the                 absolute path before being used.  build.sh imposes the
                restriction that the argument to the --MM option must not begin                 restriction that the argument to the -M option must not begin
                with a ``$'' (dollar sign) character; otherwise it would be too                 with a ``$'' (dollar sign) character; otherwise it would be too
                difficult to determine whether the value is an absolute or a                 difficult to determine whether the value is an absolute or a
                relative path.  If the directory does not already exist,                 relative path.  If the directory does not already exist,
                bbuuiilldd..sshh will create it.                 build.sh will create it.
   
        -m mach   Set the value of MACHINE to mach, unless the mach argument is
                  an alias that refers to a MACHINE/MACHINE_ARCH pair, in which
                  case both MACHINE and MACHINE_ARCH are set from the alias.
                  Such aliases are interpreted entirely by build.sh; they are not
                  used by any other part of the build system.  The MACHINE_ARCH
                  setting implied by mach will override any value of MACHINE_ARCH
                  in the process environment, but will not override a value set
                  by the -a option.  All cross builds require -m, but if unset on
                  a NetBSD host, the host's value of MACHINE will be detected and
                  used automatically.
   
      --mm _m_a_c_h   Set the value of MMAACCHHIINNEE to _m_a_c_h, except in some special cases                 See the list-arch operation for a way to get a list of valid
                listed below.  This will also override any value of                 MACHINE and MACHINE_ARCH settings.
                MMAACCHHIINNEE__AARRCCHH in the process environment with a value deduced  
                from _m_a_c_h, unless --aa is specified.  All cross builds require  
                --mm, but if unset on a NetBSD host, the host's value of MACHINE  
                will be detected and used automatically.  
   
                Some machines support multiple values for MMAACCHHIINNEE__AARRCCHH.  The  
                following special cases for the _m_a_c_h argument are defined to  
                set the listed values of MMAACCHHIINNEE and MMAACCHHIINNEE__AARRCCHH:  
   
                      mmaacchh          MMAACCHHIINNEE    MMAACCHHIINNEE__AARRCCHH  
                      evbarm        evbarm     (not set)  
                      evbarm-eb     evbarm     armeb  
                      evbarm-el     evbarm     arm  
                      evbmips       evbmips    (not set)  
                      evbmips-eb    evbmips    mipseb  
                      evbmips-el    evbmips    mipsel  
                      evbsh3        evbsh3     (not set)  
                      evbsh3-eb     evbsh3     sh3eb  
                      evbsh3-el     evbsh3     sh3el  
                      sbmips        sbmips     (not set)  
                      sbmips-eb     sbmips     mipseb  
                      sbmips-el     sbmips     mipsel  
   
      --NN _n_o_i_s_e_l_e_v_e_l       -N noiselevel
                Set the ``noisyness'' level of the build, by setting                 Set the ``noisyness'' level of the build, by setting
                MMAAKKEEVVEERRBBOOSSEE to _n_o_i_s_e_l_e_v_e_l.                 MAKEVERBOSE to noiselevel.
   
      --nn        Show the commands that would be executed by bbuuiilldd..sshh, but do       -n        Show the commands that would be executed by build.sh, but do
                not make any changes.  This is similar in concept to ``make                 not make any changes.  This is similar in concept to ``make
                -n''.                 -n''.
   
      --OO _o_b_j    Create an appropriate transform macro for MMAAKKEEOOBBJJDDIIRR that will       -O obj    Create an appropriate transform macro for MAKEOBJDIR that will
                place the built object files under _o_b_j.  Unsets                 place the built object files under obj.  Unsets
                MMAAKKEEOOBBJJDDIIRRPPRREEFFIIXX.                 MAKEOBJDIRPREFIX.
   
                For instance, a setting of ``--OO _/_u_s_r_/_o_b_j'' will place build-                 For instance, a setting of ``-O /usr/obj'' will place build-
                time files under _/_u_s_r_/_o_b_j_/_b_i_n, _/_u_s_r_/_o_b_j_/_l_i_b, _/_u_s_r_/_o_b_j_/_u_s_r_._b_i_n,                 time files under /usr/obj/bin, /usr/obj/lib, /usr/obj/usr.bin,
                and so forth.                 and so forth.
   
                If a relative path is specified, it will be converted to an                 If a relative path is specified, it will be converted to an
                absolute path before being used.  bbuuiilldd..sshh imposes the                 absolute path before being used.  build.sh imposes the
                restriction that the argument to the --OO option must not contain                 restriction that the argument to the -O option must not contain
                a ``$'' (dollar sign) character.  If the directory does not                 a ``$'' (dollar sign) character.  If the directory does not
                already exist, bbuuiilldd..sshh will create it.                 already exist, build.sh will create it.
   
                In normal use, exactly one of the --MM or --OO options should be                 In normal use, exactly one of the -M or -O options should be
                specified.  If neither --MM nor --OO is specified, then a default                 specified.  If neither -M nor -O is specified, then a default
                object directory will be chosen according to rules in                 object directory will be chosen according to rules in
                <bsd.obj.mk>.  Relying on this default is not recommended                 <bsd.obj.mk>.  Relying on this default is not recommended
                because it is determined by complex rules that are influenced                 because it is determined by complex rules that are influenced
                by the values of several variables and by the location of the                 by the values of several variables and by the location of the
                source directory.                 source directory.
   
      --oo        Set the value of MMKKOOBBJJDDIIRRSS to ``no''.  Otherwise, it will be                 Note that placing the obj directory location outside of the
                  default source tree hierarchy makes it easier to manually clear
                  out old files in the event the ``make cleandir'' operation is
                  unable to do so.  (See CAVEATS below.)
   
                  Note also that use of one of -M or -O is the only means of
                  building multiple machine architecture userlands from the same
                  source tree without cleaning between builds (in which case, one
                  would specify distinct obj locations for each).
   
        -o        Set the value of MKOBJDIRS to ``no''.  Otherwise, it will be
                automatically set to ``yes''.  This default is opposite to the                 automatically set to ``yes''.  This default is opposite to the
                behaviour when not using bbuuiilldd..sshh.                 behaviour when not using build.sh.
   
      --RR _r_e_l    Set the value of RREELLEEAASSEEDDIIRR to _r_e_l.  If a relative path is       -R rel    Set the value of RELEASEDIR to rel.  If a relative path is
                specified, it will be converted to an absolute path before                 specified, it will be converted to an absolute path before
                being used.                 being used.
   
      --rr        Remove the contents of DDEESSTTDDIIRR and TTOOOOLLDDIIRR before building       -r        Remove the contents of DESTDIR and TOOLDIR before building
                (provides a clean starting point).  This will skip deleting                 (provides a clean starting point).  This will skip deleting
                DDEESSTTDDIIRR if building on a native system to the root directory.                 DESTDIR if building on a native system to the root directory.
   
      --SS _s_e_e_d   Change the value of BBUUIILLDDSSEEEEDD to _s_e_e_d.  This should rarely be       -S seed   Change the value of BUILDSEED to seed.  This should rarely be
                necessary.                 necessary.
   
      --TT _t_o_o_l_s  Set the value of TTOOOOLLDDIIRR to _t_o_o_l_s.  If a relative path is       -T tools  Set the value of TOOLDIR to tools.  If a relative path is
                specified, it will be converted to an absolute path before                 specified, it will be converted to an absolute path before
                being used.  If set, the bootstrap ``make'' will only be                 being used.  If set, the bootstrap ``make'' will only be
                rebuilt if the source files for make(1) have changed.                 rebuilt if the source files for make(1) have changed.
   
      --UU        Set MMKKUUNNPPRRIIVVEEDD==yyeess.       -U        Set MKUNPRIVED=yes.
   
      --uu        Set MMKKUUPPDDAATTEE==yyeess.       -u        Set MKUPDATE=yes.
   
      --VV _v_a_r=[_v_a_l_u_e]       -V var=[value]
                Set the environment variable _v_a_r to an optional _v_a_l_u_e.  This is                 Set the environment variable var to an optional value.  This is
                propagated to the nnbbmmaakkee wrapper.                 propagated to the nbmake wrapper.
   
      --ww _w_r_a_p_p_e_r       -w wrapper
                Create the nnbbmmaakkee wrapper script (see below) in a custom                 Create the nbmake wrapper script (see below) in a custom
                location, specified by _w_r_a_p_p_e_r.  This allows, for instance, to                 location, specified by wrapper.  This allows, for instance, to
                place the wrapper in PPAATTHH automatically.  Note that _w_r_a_p_p_e_r is                 place the wrapper in PATH automatically.  Note that wrapper is
                the full name of the file, not just a directory name.  If a                 the full name of the file, not just a directory name.  If a
                relative path is specified, it will be converted to an absolute                 relative path is specified, it will be converted to an absolute
                path before being used.                 path before being used.
   
      --XX _x_1_1_s_r_c       -X x11src
                Set the value of XX1111SSRRCCDDIIRR to _x_1_1_s_r_c.  If a relative path is                 Set the value of X11SRCDIR to x11src.  If a relative path is
                specified, it will be converted to an absolute path before                 specified, it will be converted to an absolute path before
                being used.                 being used.
   
      --xx        Set MMKKXX1111==yyeess.       -x        Set MKX11=yes.
   
        -Y extsrcdir
                  Set the value of EXTSRCSRCDIR to extsrcdir.  If a relative path
                  is specified, it will be converted to an absolute path before
                  being used.
   
        -y        Set MKEXTSRC=yes.
   
      --ZZ _v_a_r    Unset ("zap") the environment variable _v_a_r.  This is propagated       -Z var    Unset ("zap") the environment variable var.  This is propagated
                to the nnbbmmaakkee wrapper.                 to the nbmake wrapper.
   
    TThhee ""nnbbmmaakkee--MMAACCHHIINNEE"" wwrraappppeerr ssccrriipptt     The "nbmake-MACHINE" wrapper script
      If using the bbuuiilldd..sshh script to build NetBSD, a nnbbmmaakkee--MMAACCHHIINNEE script       If using the build.sh script to build NetBSD, a nbmake-MACHINE script
      will be created in TTOOOOLLDDIIRR//bbiinn upon the first build to assist in building       will be created in TOOLDIR/bin upon the first build to assist in building
      subtrees on a cross-compile host.       subtrees on a cross-compile host.
   
      nnbbmmaakkee--MMAACCHHIINNEE can be invoked in lieu of make(1), and will instead call       nbmake-MACHINE can be invoked in lieu of make(1), and will instead call
      the up-to-date version of ``nbmake'' installed into TTOOOOLLDDIIRR//bbiinn with       the up-to-date version of ``nbmake'' installed into TOOLDIR/bin with
      several key variables pre-set, including MMAACCHHIINNEE, MMAACCHHIINNEE__AARRCCHH, and       several key variables pre-set, including MACHINE, MACHINE_ARCH, and
      TTOOOOLLDDIIRR.  nnbbmmaakkee--MMAACCHHIINNEE will also set variables specified with --VV, and       TOOLDIR.  nbmake-MACHINE will also set variables specified with -V, and
      unset variables specified with --ZZ.       unset variables specified with -Z.
   
      This script can be symlinked into a directory listed in PPAATTHH, or called       This script can be symlinked into a directory listed in PATH, or called
      with an absolute path.       with an absolute path.
   
 EEXXAAMMPPLLEESS  EXAMPLES
      1.   % ./build.sh [options] tools kernel=GENERIC       1.   % ./build.sh [options] tools kernel=GENERIC
   
           Build a new toolchain, and use the new toolchain to configure and            Build a new toolchain, and use the new toolchain to configure and
Line 975  EEXXAAMMPPLLEESS
Line 1063  EEXXAAMMPPLLEESS
   
      2.   % ./build.sh [options] -U distribution       2.   % ./build.sh [options] -U distribution
   
           Using unprivileged mode, build a complete distribution to a DDEESSTTDDIIRR            Using unprivileged mode, build a complete distribution to a DESTDIR
           directory that bbuuiilldd..sshh selects (and will display).            directory that build.sh selects (and will display).
   
      3.   # ./build.sh [options] -U install=/       3.   # ./build.sh [options] -U install=/
   
           As root, install to _/ the distribution that was built by example 2.            As root, install to / the distribution that was built by example 2.
           Even though this is run as root, --UU is required so that the            Even though this is run as root, -U is required so that the
           permissions stored in DDEESSTTDDIIRR_/_M_E_T_A_L_O_G are correctly applied to the            permissions stored in DESTDIR/METALOG are correctly applied to the
           files as they're copied to _/.            files as they're copied to /.
   
      4.   % ./build.sh [options] -U -u release       4.   % ./build.sh [options] -U -u release
   
           Using unprivileged mode, build a complete release to DDEESSTTDDIIRR and            Using unprivileged mode, build a complete release to DESTDIR and
           RREELLEEAASSEEDDIIRR directories that bbuuiilldd..sshh selects (and will display).            RELEASEDIR directories that build.sh selects (and will display).
           MMKKUUPPDDAATTEE==yyeess (--uu) is set to prevent the ``make cleandir'', so that            MKUPDATE=yes (-u) is set to prevent the ``make cleandir'', so that
           if this is run after example 2, it doesn't need to redo that portion            if this is run after example 2, it doesn't need to redo that portion
           of the release build.            of the release build.
   
 OOBBSSOOLLEETTEE VVAARRIIAABBLLEESS  OBSOLETE VARIABLES
      NNBBUUIILLDDJJOOBBSS  Use the make(1) option --jj instead.       NBUILDJOBS  Use the make(1) option -j instead.
   
      UUSSEE__NNEEWW__TTOOOOLLCCHHAAIINN       USE_NEW_TOOLCHAIN
                  The new toolchain is now the default.  To disable, use                   The new toolchain is now the default.  To disable, use
                  TTOOOOLLCCHHAAIINN__MMIISSSSIINNGG==yyeess.                   TOOLCHAIN_MISSING=yes.
   
 SSEEEE AALLSSOO  SEE ALSO
      make(1), hier(7), release(7), etcupdate(8), postinstall(8), sysinst(8),       make(1), hier(7), release(7), etcupdate(8), postinstall(8), sysinst(8),
      _p_k_g_s_r_c_/_s_y_s_u_t_i_l_s_/_c_d_r_t_o_o_l_s       pkgsrc/sysutils/cdrtools
   
 HHIISSTTOORRYY  HISTORY
      The bbuuiilldd..sshh based build scheme was introduced for NetBSD 1.6 as       The build.sh based build scheme was introduced for NetBSD 1.6 as
      UUSSEE__NNEEWW__TTOOOOLLCCHHAAIINN, and re-worked to TTOOOOLLCCHHAAIINN__MMIISSSSIINNGG after that.       USE_NEW_TOOLCHAIN, and re-worked to TOOLCHAIN_MISSING after that.
   
   CAVEATS
        After significant updates to third-party components in the source tree,
        the ``make cleandir'' operation may be insufficient to clean out old
        files in object directories.  Instead, one may have to manually remove
        the files.  Consult the UPDATING file for notices concerning this.
   
 NetBSD                         November 8, 2012                         NetBSD  NetBSD                           April 7, 2015                          NetBSD

Legend:
Removed from v.1.104  
changed lines
  Added in v.1.121

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