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Diff for /src/BUILDING between version 1.20 and 1.62.4.2

version 1.20, 2002/12/25 00:58:00 version 1.62.4.2, 2008/01/09 01:19:18
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 BUILDING(8)             NetBSD System Manager's Manual             BUILDING(8)  BUILDING(8)             NetBSD System Manager's Manual             BUILDING(8)
   
 NAME  NAME
      BUILDING - Procedure for building NetBSD from source code.       BUILDING -- Procedure for building NetBSD from source code.
   
 STATUS  
      This document is a work-in-progress.  As such, the information described  
      here may not match the reality of the build system as of this writing.  
      Once this document is completely in sync with reality, this paragraph  
      will be removed.  
   
      Discrepancies between this documentation and the current reality of im-  
      plementation are noted specially, as with the note below:  
   
      Note: This document applies only to platforms which use the new toolchain  
      as indicated by the default setting of TOOLCHAIN_MISSING in <bsd.own.mk>.  
      Platforms which have not yet been switched to the new toolchain should  
      continue building traditionally, using the notes specified in the file  
      UPDATING.  
   
 REQUIREMENTS  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.
Line 28  REQUIREMENTS
Line 13  REQUIREMENTS
      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 (make 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.       the NetBSD build process.  (See the environment variables section below
        if you need to override or manually select your compilers.)
            Note: A couple host toolchain components are not yet available in  
            the tools directory.  Also, some tools use non-POSIX, non-ANSI C  
            extensions and need to be standardized.  As a result, cross-compil-  
            ing from systems other than NetBSD is not currently supported.  
   
 FILES  FILES
    Source tree layout     Source tree layout
   
      doc/BUILDING.mdoc       doc/BUILDING.mdoc
                     This document (in -mdoc troff format; the original copy).                      This document (in -mdoc troff format; the original copy).
   
      BUILDING       This document (in plaintext).       BUILDING       This document (in plaintext).
   
      Makefile       The main Makefile for NetBSD; should only be run for na-       tools/compat/README
                     tive builds with an appropriately up-to-date version of                      Special notes for cross-hosting a NetBSD build on non-
                       NetBSD platforms.
   
        Makefile       The main Makefile for NetBSD; should only be run for
                       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 build.sh shell script.)                      on a non-native host, see the build.sh shell script.)
   
Line 62  FILES
Line 46  FILES
                     Sources imported verbatim from third parties, without man-                      Sources imported verbatim from third parties, without man-
                     gling the existing build structure.  Other source trees in                      gling the existing build structure.  Other source trees in
                     bin through usr.sbin use the NetBSD make(1) ``reachover''                      bin through usr.sbin use the NetBSD make(1) ``reachover''
                     Makefile semantics when building these programs for a na-                      Makefile semantics when building these programs for a
                     tive host.                      native host.
   
      distrib/, etc/       distrib/, etc/
                     Sources for items used when making a full release snap-                      Sources for items used when making a full release snap-
                     shot, such as files installed in /etc on the destination                      shot, such as files installed in DESTDIR/etc on the desti-
                     system, boot media, and release notes.                      nation system, boot media, and release notes.
   
      regress/       Regression test harness.  Can be cross-compiled, but only       regress/       Regression test harness.  Can be cross-compiled, but only
                     run natively.                      run natively.
Line 84  FILES
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                     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.
   
        x11/           ``Reachover'' build structure for X11R6; the source is in
                       X11SRCDIR.
   
    Build tree layout     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).
Line 92  CONFIGURATION
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    Environment variables     Environment variables
      Several environment variables control the behaviour of NetBSD builds.       Several environment variables control the behaviour of NetBSD builds.
   
        HOST_SH           Path name to a POSIX-compliant shell.  If this is not
                          set explicitly, then the default is set using heuris-
                          tics dependent on the host platform, or from the shell
                          under which build.sh is executed (if that can be deter-
                          mined), or using the first copy of sh found in PATH.
                          If the host system's /bin/sh is not POSIX-compliant, we
                          suggest that you build using commands like
   
                                HOST_SH=/path/to/working/shell
                                export HOST_SH
                                ${HOST_SH} build.sh [options]
   
        HOST_CC           Path name to C compiler used to create the toolchain.
   
        HOST_CXX          Path name to C++ compiler used to create the toolchain.
   
      MACHINE           Machine type.       MACHINE           Machine type.
   
      MACHINE_ARCH      Machine architecture.       MACHINE_ARCH      Machine architecture.
Line 101  CONFIGURATION
Line 104  CONFIGURATION
      MAKEFLAGS         Flags to invoke make(1) with.       MAKEFLAGS         Flags to invoke make(1) with.
   
      MAKEOBJDIR        Directory to use as the .OBJDIR for the current direc-       MAKEOBJDIR        Directory to use as the .OBJDIR for the current direc-
                        tory.  Used only if MAKEOBJDIRPREFIX is not defined.                         tory.  The value is subjected to variable expansion by
                        MAKEOBJDIR can only be provided in the environment.                         make(1).  Used only if MAKEOBJDIRPREFIX is not defined.
                          MAKEOBJDIR can only be provided in the environment or
                          via the -O flag of build.sh.
   
      MAKEOBJDIRPREFIX  Top level directory of the object directory tree.  If       MAKEOBJDIRPREFIX  Top level directory of the object directory tree.  If
                        this is defined, ${MAKEOBJDIRPREFIX}/${.CURDIR} is used                         specified, must be an absolute path.  If this is
                        as the .OBJDIR for the current directory.  The current                         defined, ${MAKEOBJDIRPREFIX}/${.CURDIR} is used as the
                        directory may be read only.  MAKEOBJDIRPREFIX can only                         .OBJDIR for the current directory.  The current direc-
                        be provided in the environment.                         tory may be read only.  MAKEOBJDIRPREFIX can only be
                          provided in the environment or via the -M flag of
                          build.sh.
   
    "make" variables     "make" variables
      Several variables control the behavior of NetBSD builds.  Unless other-       Several variables control the behavior of NetBSD builds.  Unless other-
Line 123  CONFIGURATION
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      DESTDIR     Directory to contain the built NetBSD system.  If set, spe-       DESTDIR     Directory to contain the built NetBSD system.  If set, spe-
                  cial options are passed to the compilation tools to prevent                   cial options are passed to the compilation tools to prevent
                  their default use of the host system's /usr/include,                   their default use of the host system's /usr/include,
                  /usr/lib, and so forth.  This pathname should not end with a                   /usr/lib, and so forth.  This pathname must be an absolute
                  slash (/) character (for installation into the system's root                   path, and should not end with a slash (/) character.  (For
                  directory, set DESTDIR to an empty string).  The directory                   installation into the system's root directory, set DESTDIR to
                  must reside on a file system which supports long file names                   an empty string, not to ``/'').  The directory must reside on
                  and hard links.                   a file system which supports long file names and hard links.
   
                  Default: Empty string if USETOOLS is ``yes''; unset other-                   Default: Empty string if USETOOLS is ``yes''; unset other-
                  wise.                   wise.
   
                    Note: build.sh will provide a default of destdir.MACHINE (in
                    the top-level .OBJDIR) unless run in `expert' mode
   
      MAKECONF    The name of the make(1) configuration file.  Only settable in       MAKECONF    The name of the make(1) configuration file.  Only settable in
                  the process environment.                   the process environment.
   
                  Default: ``/etc/mk.conf''                   Default: ``/etc/mk.conf''
   
        MAKEVERBOSE
                    Level of verbosity of status messages.  Supported values:
   
                    0    No descriptive messages are shown.
   
                    1    Descriptive messages are shown.
   
                    2    Descriptive messages (prefixed with a `#') and command
                         output is not suppressed.
   
                    Default: 2
   
      MKCATPAGES  Can be set to ``yes'' or ``no''.  Indicates whether prefor-       MKCATPAGES  Can be set to ``yes'' or ``no''.  Indicates whether prefor-
                  matted plaintext manual pages will be created during a build.                   matted plaintext manual pages will be created during a build.
   
Line 145  CONFIGURATION
Line 167  CONFIGURATION
      MKCRYPTO    Can be set to ``yes'' or ``no''.  Indicates whether crypto-       MKCRYPTO    Can be set to ``yes'' or ``no''.  Indicates whether crypto-
                  graphic code will be included in a build; provided for the                   graphic code will be included in a build; provided for the
                  benefit of countries that do not allow strong cryptography.                   benefit of countries that do not allow strong cryptography.
                  Will not affect use of the standard low-security password en-                   Will not affect use of the standard low-security password
                  cryption system, crypt(3).                   encryption system, crypt(3).
   
                  Default: ``yes''                   Default: ``yes''
   
      MKDOC       Can be set to ``yes'' or ``no''.  Indicates whether system       MKDOC       Can be set to ``yes'' or ``no''.  Indicates whether system
                  documentation destined for /usr/share/doc will be installed                   documentation destined for DESTDIR/usr/share/doc will be
                  during a build.                   installed during a build.
   
                  Default: ``yes''                   Default: ``yes''
   
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Line 198  CONFIGURATION
      MKLINT      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
                  /usr/libdata/lint.                   DESTDIR/usr/libdata/lint.
   
                  Default: ``yes''                   Default: ``yes''
   
Line 186  CONFIGURATION
Line 208  CONFIGURATION
                  Default: ``yes''                   Default: ``yes''
   
      MKNLS       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 in-                   Language System locale zone files will be compiled and
                  stalled during a build.                   installed during a build.
   
                  Default: ``yes''                   Default: ``yes''
   
Line 208  CONFIGURATION
Line 230  CONFIGURATION
   
      MKPICINSTALL       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 (lib*_pic.a), used to generate shared li-                   format libraries (lib*_pic.a), used to generate shared
                  braries, are installed during a build.                   libraries, are installed during a build.
   
                  Default: ``yes''                   Default: ``yes''
   
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Line 244  CONFIGURATION
                  code.                   code.
   
      MKSHARE     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 /usr/share will be built and installed                   destined to reside in DESTDIR/usr/share will be built and
                  during a build.  If set to ``no'', then all of MKCATPAGES,                   installed during a build.  If set to ``no'', then all of
                  MKDOC, MKINFO, MKMAN, and MKNLS will be set to ``no'' uncon-                   MKCATPAGES, MKDOC, MKINFO, MKMAN, and MKNLS will be set to
                  ditionally.                   ``no'' unconditionally.
   
                  Default: ``yes''                   Default: ``yes''
   
      TOOLDIR     Directory to hold the host tools, once built.  This directory       MKTTINTERP  Can be set to ``yes'' or ``no''.  For X builds, decides if
                  should be unique to a given host system and NetBSD source                   the TrueType bytecode interpreter is turned on.  See
                  tree.  (However, multiple targets may share the same TOOLDIR;                   http://www.freetype.org/patents.html for details.
                  the target-dependent files have unique names.)  If unset, a  
                  default based on the uname(1) information of the host plat-  
                  form will be created in the .OBJDIR of src/tools.  
   
                  Default: Unset.                   Default: ``no''
   
      UNPRIVED    If set, then an unprivileged install will occur.  The user,       MKUNPRIVED  Can be set to ``yes'' or ``no''.  Indicates whether an
                  group, permissions, and file flags, will not be set on the                   unprivileged install will occur.  The user, group, permis-
                  installed item; instead the information will be appended to a                   sions, and file flags, will not be set on the installed
                  file called METALOG in DESTDIR.  The contents of METALOG is                   items; instead the information will be appended to a file
                  used during the generation of the distribution tar files to                   called METALOG in DESTDIR.  The contents of METALOG are used
                  ensure that the appropriate file ownership is stored.                   during the generation of the distribution tar files to ensure
                    that the appropriate file ownership is stored.
   
                  Default: Unset.                   Default: ``no''
   
        MKUPDATE    Can be set to ``yes'' or ``no''.  Indicates whether all
                    install operations intended to write to DESTDIR will compare
                    file timestamps before installing, and skip the install phase
                    if the destination files are up-to-date.  This also has
                    implications on full builds (see next subsection).
   
      UPDATE      If set, then all install operations intended to write to                   Default: ``no''
                  DESTDIR will compare file timestamps before installing, and  
                  skip the install phase if the destination files are up-to-       MKX11       Can be set to ``yes'' or ``no''.  Indicates whether X11R6 is
                  date.  This also has implications on full builds (see next                   built from X11SRCDIR.
                  subsection).  
                    Default: ``no''
   
        TOOLDIR     Directory to hold the host tools, once built.  If specified,
                    must be an absolute path.  This directory should be unique to
                    a given host system and NetBSD source tree.  (However, multi-
                    ple targets may share the same TOOLDIR; the target-dependent
                    files have unique names.)  If unset, a default based on the
                    uname(1) information of the host platform will be created in
                    the .OBJDIR of src.
   
                  Default: Unset.                   Default: Unset.
   
Line 275  CONFIGURATION
Line 310  CONFIGURATION
   
                  Default: ``yes'' if building all or part of a whole NetBSD                   Default: ``yes'' if building all or part of a whole NetBSD
                  source tree (detected automatically); ``no'' otherwise (to                   source tree (detected automatically); ``no'' otherwise (to
                  preserve traditional semantics of the <bsd.*.mk> make(1) in-                   preserve traditional semantics of the <bsd.*.mk> make(1)
                  clude files).                   include files).
   
        X11SRCDIR   Directory containing the X11R6 source.  If specified, must be
                    an absolute path.  The main X11R6 source is found in
                    X11SRCDIR/xfree/xc.
   
                    Default: ``/usr/xsrc''
   
    "make" variables for full builds     "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.
   
      INSTALLWORLDDIR  Location for the ``make installworld'' target to install       INSTALLWORLDDIR  Location for the ``make installworld'' target to install
                       to.                        to.  If specified, must be an absolute path.
   
                       Default: ``/''                        Default: ``/''
   
      MKOBJDIRS        Can be set to ``yes'' or ``no''.  Indicates whether ob-       MKOBJDIRS        Can be set to ``yes'' or ``no''.  Indicates whether
                       ject 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.
   
                       Default: ``yes''                        Default: ``no''
   
        MKUPDATE         Can be set to ``yes'' or ``no''.  If set, then in addi-
                         tion to the effects described for MKUPDATE=yes above,
                         this implies the effects of NOCLEANDIR (i.e., ``make
                         cleandir'' is avoided).
   
                         Default: ``no''
   
      NBUILDJOBS       Now obsolete.  Use the make(1) option -j, instead (see       NBUILDJOBS       Now obsolete.  Use the make(1) option -j, instead (see
                       below)                        below)
Line 315  CONFIGURATION
Line 363  CONFIGURATION
   
      NOINCLUDES       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 be-                        thinking that some programs are out-of-date simply
                       cause 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
                       UPDATE in that case.                        MKUPDATE=yes in that case.
   
                       Default: Unset.                        Default: Unset.
   
      RELEASEDIR       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.
   
                       Default: Unset.                        Default: Unset.
   
      UPDATE           If set, then in addition to the effects described for                        Note: build.sh will provide a default of releasedir (in
                       UPDATE above, this implies the effects of NOCLEANDIR.                        the top-level .OBJDIR) unless run in `expert' mode
   
 BUILDING  BUILDING
    "make" command line options     "make" command line options
      This is only a summary of options available to make(1); only the options       This is not a summary of all the options available to make(1); only the
      used most frequently with NetBSD builds are listed here.       options used most frequently with NetBSD builds are listed here.
   
      -j njob    Run up to njob 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 dependancies as necessary to en-                  use .WAIT or have explicit dependencies as necessary to
                 force build ordering.  If you see build failures with -j,                  enforce build ordering.  If you see build failures with -j,
                 please save complete build logs so the failures can be ana-                  please save complete build logs so the failures can be ana-
                 lyzed.                  lyzed.
   
Line 352  BUILDING
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                 actually execute them.  This will still cause recursion to                  actually execute them.  This will still cause recursion to
                 take place.                  take place.
   
      -v var     Print make(1)'s idea of the value of var.  Does not build any       -V var     Print make(1)'s idea of the value of var.  Does not build any
                 targets.                  targets.
   
      var=value  Set the variable var to value, overriding any setting speci-       var=value  Set the variable var to value, overriding any setting speci-
Line 369  BUILDING
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      clean      Remove program and library object code files.       clean      Remove program and library object code files.
   
      cleandir   Same as clean, but also remove preformatted documentation, de-       cleandir   Same as clean, but also remove preformatted documentation,
                 pendency 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.  ``make distclean''                  files known to be created at build time.
                 may be used as a synonym, for familiarity with a similar well-  
                 known convention.  
   
      depend     Create dependency files (.depend) containing more detailed in-       depend     Create dependency files (.depend) containing more detailed
                 formation 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.
   
Line 384  BUILDING
Line 431  BUILDING
                 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.
   
      includes   Build and install system header files.  Typically needed be-       distclean  Synonym for cleandir.
                 fore any system libraries or programs can be built.  
        includes   Build and install system header files.  Typically needed
                   before any system libraries or programs can be built.
   
      install    Install programs, libraries, and documentation into DESTDIR.       install    Install programs, libraries, and documentation into DESTDIR.
                 Few files will be installed to /dev, /etc, /root or /var in                  Few files will be installed to DESTDIR/dev, DESTDIR/etc,
                 order to prevent user supplied configuration data from being                  DESTDIR/root or DESTDIR/var in order to prevent user supplied
                 overwritten.                  configuration data from being overwritten.
   
      lint       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.
Line 410  BUILDING
Line 459  BUILDING
                    the proper order.                     the proper order.
   
      distribution  Do a ``make build'', and then install a full distribution       distribution  Do a ``make build'', and then install a full distribution
                    into DESTDIR.                     into DESTDIR, including files in DESTDIR/dev, DESTDIR/etc,
                      DESTDIR/root and DESTDIR/var.
   
      buildworld    As per ``make distribution'', except that it ensures that       buildworld    As per ``make distribution'', except that it ensures that
                    DESTDIR is not the root directory.                     DESTDIR is not the root directory.
   
      installworld  Install the distribution from DESTDIR to INSTALLWORLDDIR       installworld  Install the distribution from DESTDIR to INSTALLWORLDDIR
                    (which defaults to the root directory).  Ensures that                     (which defaults to the root directory).  Ensures that
                    INSTALLWORLDDIR is the not root directory if cross compil-                     INSTALLWORLDDIR is not the root directory if cross compil-
                    ing.                     ing.
   
                    Note: It is highly recommended that you upgrade your kernel                     The INSTALLSETS environment variable may be set to a list
                    and reboot before performing this operation.                     of distribution sets to be installed.  By default, all sets
                      except ``etc'' and ``xetc'' are installed (so most files in
      release       Do a ``make build'', then package the system into a stan-                     INSTALLWORLDDIR/etc will not be installed or modified).
                    dard release layout as described by release(7).  This re-  
                    quires that RELEASEDIR be set (see above).                     Note: Before performing this operation with
                      INSTALLWORLDDIR=/, it is highly recommended that you
                      upgrade your kernel and reboot.  After performing this
                      operation, it is recommended that you use etcupdate(8) to
                      update files in INSTALLWORLDDIR/etc and that you use
                      postinstall(8) to check for inconsistencies (and possibly
                      to fix them).
   
        sets          Create distribution sets from DESTDIR into
                      RELEASEDIR/MACHINE/binary/sets.  Should be run after ``make
                      distribution'' (as ``make build'' does not install all of
                      the required files).
   
        sourcesets    Create source sets of the source tree into
                      RELEASEDIR/source/sets.
   
        syspkgs       Create syspkgs from DESTDIR into
                      RELEASEDIR/MACHINE/binary/syspkgs.  Should be run after
                      ``make distribution'' (as ``make build'' does not install
                      all of the required files).
   
        release       Do a ``make distribution'', build kernels, distribution
                      media, and install sets (this as per ``make sets''), and
                      then package the system into a standard release layout as
                      described by release(7).  This requires that RELEASEDIR be
                      set (see above).
   
        iso-image     Create a NetBSD installation CD-ROM image in the
                      RELEASEDIR/iso directory.  The CD-ROM file system will have
                      a layout as described in release(7).
   
                      For most machine types, the CD-ROM will be bootable, and
                      will automatically run the sysinst(8) menu-based installa-
                      tion program, which can be used to install or upgrade a
                      NetBSD system.  Bootable CD-ROMs also contain tools that
                      may be useful in repairing a damaged NetBSD installation.
   
                      Before ``make iso-image'' is attempted, RELEASEDIR must be
                      populated by ``make release'' or equivalent.
   
                      Note that other, smaller, CD-ROM images may be created in
                      the RELEASEDIR/MACHINE/installation/cdrom directory by
                      ``make release''.  These smaller images usually contain the
                      same tools as the larger images in RELEASEDIR/iso, but do
                      not contain additional content such as the distribution
                      sets.
   
                      Note that the mac68k port still uses an older method of
                      creating CD-ROM images.  This requires the mkisofs(1) util-
                      ity, which is not part of NetBSD, but which can be
                      installed from pkgsrc/sysutils/cdrtools.
   
        iso-image-source
                      Create a NetBSD installation CD-ROM image in the
                      RELEASEDIR/iso directory.  The CD-ROM file system will have
                      a layout as described in release(7).  It will have top
                      level directories for the machine type and source.
   
                      For most machine types, the CD-ROM will be bootable, and
                      will automatically run the sysinst(8) menu-based installa-
                      tion program, which can be used to install or upgrade a
                      NetBSD system.  Bootable CD-ROMs also contain tools that
                      may be useful in repairing a damaged NetBSD installation.
   
                      Before ``make iso-image-source'' is attempted, RELEASEDIR
                      must be populated by ``make sourcesets release'' or equiva-
                      lent.
   
                      Note that other, smaller, CD-ROM images may be created in
                      the RELEASEDIR/MACHINE/installation/cdrom directory by
                      ``make release''.  These smaller images usually contain the
                      same tools as the larger images in RELEASEDIR/iso, but do
                      not contain additional content such as the distribution
                      sets.
   
                      Note that the mac68k port still uses an older method of
                      creating CD-ROM images.  This requires the mkisofs(1) util-
                      ity, which is not part of NetBSD, but which can be
                      installed from pkgsrc/sysutils/cdrtools.
   
      regression-tests       regression-tests
                    Can only be run after building the regression tests in the                     Can only be run after building the regression tests in the
Line 449  BUILDING
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      of options below, variables that are automatically set by build.sh are       of options below, variables that are automatically set by build.sh are
      noted where applicable.       noted where applicable.
   
      The following are available command line options that may be supplied to       The following operations are supported by build.sh:
      build.sh:  
        build         Build the system as per ``make build''.  This option
                      implies the obj and tools operations.
   
        distribution  Build a full distribution as per ``make distribution''.
                      This option implies the build operation.
   
        release       Build a full release as per ``make release''.  This option
                      implies the distribution operation.
   
        makewrapper   Create the nbmake-MACHINE wrapper.  This operation is auto-
                      matically performed for any of the other operations.
   
        obj           Perform ``make obj''.
   
        tools         Build and install the host tools from src/tools.
   
        install=idir  Install the contents of DESTDIR to idir, using ``make
                      installworld''.  Note that files that are part of the
                      ``etc'' or ``xetc'' sets will not be installed.
   
        kernel=kconf  Build a new kernel.  The kconf argument is the name of a
                      configuration file suitable for use by config(1).  If kconf
                      does not contain any `/' characters, the configuration file
                      is expected to be found in the KERNCONFDIR directory, which
                      is typically sys/arch/MACHINE/conf.  The new kernel will be
                      built in a subdirectory of KERNOBJDIR, which is typically
                      sys/arch/MACHINE/compile or an associated object directory.
                      In order to ensure that the kernel is built using up-to-
                      date tools, it is strongly recommended that the tools be
                      rebuilt (using the tools operation).
   
        releasekernel=kconf
                      Install a gzip(1)ed copy of the kernel built by
                      kernel=kconf into RELEASEDIR/MACHINE/binary/kernel, usually
                      as netbsd-kconf.gz, although the ``netbsd'' prefix is
                      determined from the ``config'' directives in kconf.
   
        sets          Perform ``make sets''.
   
        sourcesets    Perform ``make sourcesets''.
   
        syspkgs       Perform ``make syspkgs''.
   
        iso-image     Perform ``make iso-image''.
   
        iso-image-source
                      Perform ``make iso-image-source''.
   
        The following command line options alter the behaviour of the build.sh
        operations described above:
   
      -a arch   Set the value of MACHINE_ARCH to arch.       -a arch   Set the value of MACHINE_ARCH to arch.
   
      -B buildid       -B buildid
                Set the value of BUILDID to buildid.  This will also append the                 Set the value of BUILDID to buildid.  This will also append the
                build idenfitier 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 ``nbmake-MACHINE-                 that the resulting name is of the form
                BUILDID''.                 ``nbmake-MACHINE-BUILDID''.
   
      -b        Bootstrap ``make'' and create a nbmake-MACHINE script (see be-       -C cdextras
                low).                 Set the value of CDEXTRA to cdextras which is a space-separated
                  list of files or directories which will be added in order to
      -D dest   Set the value of DESTDIR to dest.                 the CD-ROM image when used in conjunction with ``iso-image'' or
                  ``iso-image-source''.  Files will be added to the root of the
      -d        Build a full distribution.  This differs from a default build                 CD-ROM image, whereas directories will be copied recursively.
                in that files will also be installed to /dev, /etc, /root and                 If relative paths are specified, they will be converted to
                /var.  Note this does not build a ``release''; no release sets                 absolute paths before being used.
                are placed in ${RELEASEDIR}.  -d is implied by -R.  
        -D dest   Set the value of DESTDIR to dest.  If a relative path is speci-
      -E        Set `expert' mode; DESTDIR does not have to be set to a non-                 fied, it will be converted to an absolute path before being
                root path for builds when this is set.                 used.
   
      -i installworlddir       -E        Set `expert' mode.  This overrides various sanity checks, and
                Install the contents of DESTDIR to installworlddir after all                 allows: DESTDIR does not have to be set to a non-root path for
                other operations have completed, using the top level                 builds, and MKUNPRIVED=yes does not have to be set when build-
                ``installworld'' target.                 ing as a non-root user.
   
                  Note: It is highly recommended that you know what you are doing
                  when you use this option.
   
        -h        Print a help message.
   
      -j njob   Passed through to make(1).  Makefiles should use .WAIT or have       -j njob   Passed through to make(1).  Makefiles should use .WAIT or have
                explicit dependancies as necessary to enforce build ordering.                 explicit dependancies as necessary to enforce build ordering.
                If you see build failures with -j, please save complete build                 If you see build failures with -j, please save complete build
                logs so the failures can be analyzed.                 logs so the failures can be analyzed.
   
      -k kernel       -M obj    Set MAKEOBJDIRPREFIX to obj.  If a relative path is specified,
                Build a new kernel.  The kernel argument is the name of a con-                 it will be converted to an absolute path before being used.
                figuration file suitable for use by config(8).  If kernel does                 Unsets MAKEOBJDIR.
                not contain any `/' characters, the configuration file is ex-  
                pected to be found in the KERNCONFDIR directory, which is typi-       -m mach   Set the value of MACHINE to mach, except in some special cases
                cally sys/arch/MACHINE/conf.  The new kernel will be built in a                 listed below.  This will also override any value of
                subdirectory of KERNOBJDIR, which is typically                 MACHINE_ARCH in the process environment with a value deduced
                sys/arch/MACHINE/compile or an associated object directory.  In                 from mach, unless -a is specified.  All cross builds require
                order to ensure that the kernel is built using up-to-date                 -m, but if unset on a NetBSD host, the host's value of MACHINE
                tools, it is strongly recommended that the tools be rebuilt                 will be detected and used automatically.
                (using the -t option) in a separate invocation of build.sh pri-  
                or to using the -k option, or that the -t and -k options be                 Some machines support multiple values for MACHINE_ARCH.  The
                used together in a single invocation of build.sh.                 following special cases for the mach argument are defined to
                  set the listed values of MACHINE and MACHINE_ARCH:
      -M obj    Set MAKEOBJDIRPREFIX to obj.  
                        mach          MACHINE    MACHINE_ARCH
      -m mach   Set the value of MACHINE to mach.  This will also override any                       evbarm        evbarm     (not set)
                value of MACHINE_ARCH in the process environment with a value                       evbarm-eb     evbarm     armeb
                deduced from mach, unless -a is specified.  All cross builds                       evbarm-el     evbarm     arm
                require -m, but if unset on a NetBSD host, the host's value of                       evbmips       evbmips    (not set)
                MACHINE will be detected and used automatically.                       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
   
        -N noiselevel
                  Set the ``noisyness'' level of the build, by setting
                  MAKEVERBOSE to noiselevel.
   
      -n        Show the commands that would be executed by build.sh, 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''.
   
      -O obj    Create an appropriate transform macro for MAKEOBJDIR that will       -O obj    Create an appropriate transform macro for MAKEOBJDIR that will
                place the built object files under obj.  For instance, a set-                 place the built object files under obj.  If a relative path is
                ting of /usr/obj will place build-time files under                 specified, it will be converted to an absolute path before
                /usr/obj/bin, /usr/obj/lib, and so forth.                 being used.  For instance, a setting of /usr/obj will place
                  build-time files under /usr/obj/bin, /usr/obj/lib,
      -o        Set the value of MKOBJDIRS to ``no''.                 /usr/obj/usr.bin, and so forth.  Unsets MAKEOBJDIRPREFIX.
   
      -R rel    Set the value of RELEASEDIR to rel.  Setting this option will       -o        Set the value of MKOBJDIRS to ``no''.  Otherwise, it will be
                cause build.sh to run ``make release'' instead of ``make                 automatically set to ``yes'' (which is opposite to the default
                build''.                 behaviour).
   
        -R rel    Set the value of RELEASEDIR to rel.  If a relative path is
                  specified, it will be converted to an absolute path before
                  being used.
   
      -r        Remove the contents of DESTDIR and TOOLDIR 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
                DESTDIR if building on a native system to the root directory.                 DESTDIR if building on a native system to the root directory.
   
      -T tools  Set the value of TOOLDIR to tools.  If set, the bootstrap       -T tools  Set the value of TOOLDIR to tools.  If a relative path is spec-
                ``make'' will only be rebuilt as needed (when the source files                 ified, it will be converted to an absolute path before being
                for make(1) change).                 used.  If set, the bootstrap ``make'' will only be rebuilt as
                  needed (when the source files for make(1) change).
      -t        Build and install the host tools from src/tools only.  This op-  
                tion implies -b.       -U        Set MKUNPRIVED=yes.
   
      -U        Set the UNPRIVED variable.       -u        Set MKUPDATE=yes.
   
      -u        Set the UPDATE variable.       -V var=[value]
                  Set the environment variable var to an optional value.  This is
                  propagated to the nbmake wrapper.
   
      -w wrapper       -w wrapper
                Create the nbmake wrapper script (see below) in a custom loca-                 Create the nbmake wrapper script (see below) in a custom loca-
                tion, specified by wrapper.  This allows, for instance, to                 tion, specified by wrapper.  This allows, for instance, to
                place the wrapper in PATH automatically.  Note that wrapper is                 place the wrapper in PATH automatically.  Note that wrapper is
                the full name of the file, not just a directory name.                 the full name of the file, not just a directory name.  If a
                  relative path is specified, it will be converted to an absolute
                  path before being used.
   
        -X x11src
                  Set the value of X11SRCDIR to x11src.  If a relative path is
                  specified, it will be converted to an absolute path before
                  being used.
   
        -x        Set MKX11=yes.
   
        -Z var    Unset ("zap") the environment variable var.  This is propagated
                  to the nbmake wrapper.
   
    The "nbmake-MACHINE" wrapper script     The "nbmake-MACHINE" wrapper script
      If using the build.sh script to build NetBSD, a nbmake-MACHINE script       If using the build.sh script to build NetBSD, a nbmake-MACHINE script
Line 549  BUILDING
Line 761  BUILDING
      nbmake-MACHINE 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 TOOLDIR/bin with sev-       the up-to-date version of ``nbmake'' installed into TOOLDIR/bin with sev-
      eral key variables pre-set, including MACHINE, MACHINE_ARCH, and TOOLDIR.       eral key variables pre-set, including MACHINE, MACHINE_ARCH, and TOOLDIR.
        build.sh will also set variables specified with -V, and unset variables
        specified with -Z.
   
      This script can be symlinked into a directory listed in PATH, or called       This script can be symlinked into a directory listed in PATH, or called
      with an absolute path.       with an absolute path.
   
 EXAMPLES  EXAMPLES
      ./build.sh -t       1.   % ./build.sh tools kernel=GENERIC
                Build a new toolchain.  
             Build a new toolchain, and use the new toolchain to configure and
             build a new GENERIC kernel.
   
        2.   % ./build.sh -U distribution
   
             Using unprivileged mode, build a complete distribution to a DESTDIR
             directory that build.sh selects (and will display).
   
        3.   # ./build.sh -U install=/
   
             As root, install to / the distribution that was built by example 2.
             Even though this is run as root, -U is required so that the permis-
             sions stored in DESTDIR/METALOG are correctly applied to the files
             as they're copied to /.
   
        4.   % ./build.sh -U -u release
   
      cd ${KERNCONFDIR} ; ${TOOLDIR}/bin/nbconfig GENERIC            Using unprivileged mode, build a complete release to DESTDIR and
                Use the new version of config(8) to prepare to build a new            RELEASEDIR directories that build.sh selects (and will display).
                GENERIC kernel.            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
      cd ${KERNOBJDIR}/GENERIC ; ${TOOLDIR}/bin/nbmake-${MACHINE} dependall            of the release build.
                Use the new toolchain to build a new GENERIC kernel.  
   
      ./build.sh -t -k GENERIC  
                Build a new toolchain, and use the new toolchain to configure  
                and build a new GENERIC kernel.  
   
      ./build.sh -U -d  
                Using unprivileged mode, build a complete distribution in  
                DESTDIR.  
   
      ./build.sh -U -R /some/dir/RELEASE  
                Using unprivileged mode, build a complete release in the speci-  
                fied release directory.  
   
 OBSOLETE VARIABLES  OBSOLETE VARIABLES
      NBUILDJOBS  Use the make(1) option -j, instead.       NBUILDJOBS  Use the make(1) option -j, instead.
Line 583  OBSOLETE VARIABLES
Line 801  OBSOLETE VARIABLES
                  TOOLCHAIN_MISSING=yes.                   TOOLCHAIN_MISSING=yes.
   
 SEE ALSO  SEE ALSO
      make(1), hier(7), release(7)       make(1), hier(7), release(7), etcupdate(8), postinstall(8), sysinst(8),
        pkgsrc/sysutils/cdrtools
   
 HISTORY  HISTORY
      The build.sh based build scheme was introduced for NetBSD 1.6 as       The build.sh based build scheme was introduced for NetBSD 1.6 as
Line 592  HISTORY
Line 811  HISTORY
 BUGS  BUGS
      A few platforms are not yet using this build system.       A few platforms are not yet using this build system.
   
 NetBSD                         December 25, 2002                             9  NetBSD                         September 1, 2007                        NetBSD

Legend:
Removed from v.1.20  
changed lines
  Added in v.1.62.4.2

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