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Diff for /src/BUILDING between version 1.12.2.1 and 1.21

version 1.12.2.1, 2003/12/18 08:25:06 version 1.21, 2003/01/04 12:55:32
Line 13  STATUS
Line 13  STATUS
      plementation are noted specially, as with the note below:       plementation are noted specially, as with the note below:
   
      Note: This document applies only to platforms which use the new toolchain       Note: This document applies only to platforms which use the new toolchain
      as indicated by the default setting of USE_NEW_TOOLCHAIN in <bsd.own.mk>.       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       Platforms which have not yet been switched to the new toolchain should
      continue building traditionally, using the notes specified in the file       continue building traditionally, using the notes specified in the file
      UPDATING.       UPDATING.
Line 38  REQUIREMENTS
Line 38  REQUIREMENTS
 FILES  FILES
    Source tree layout     Source tree layout
   
      BUILDING.mdoc  This document (in -mdoc troff format; the original copy).       doc/BUILDING.mdoc
                       This document (in -mdoc troff format; the original copy).
   
      BUILDING       This document (in plaintext).       BUILDING       This document (in plaintext).
   
Line 281  CONFIGURATION
Line 282  CONFIGURATION
      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.
   
      MKOBJDIRS      Can be set to ``yes'' or ``no''.  Indicates whether object       INSTALLWORLDDIR  Location for the ``make installworld'' target to install
                     directories will be created automatically (via a ``make                        to.
                     obj'' pass) at the start of a build.  
   
                     Default: ``yes''                        Default: ``/''
   
      NBUILDJOBS     Now obsolete.  Use the make(1) option -j, instead (see be-       MKOBJDIRS        Can be set to ``yes'' or ``no''.  Indicates whether ob-
                     low)                        ject directories will be created automatically (via a
                         ``make obj'' pass) at the start of a build.
   
                     Default: Unset.                        Default: ``yes''
   
      NOCLEANDIR     If set, avoids the ``make cleandir'' phase of a full       NBUILDJOBS       Now obsolete.  Use the make(1) option -j, instead (see
                     build.  This has the effect of allowing only changed files                        below)
                     in a source tree to be recompiled.  This can speed up  
                     builds when updating only a few files in the tree.  
   
                     Default: Unset.                        Default: Unset.
   
      NODISTRIBDIRS  If set, avoids the ``make distrib-dirs'' phase of a full       NOCLEANDIR       If set, avoids the ``make cleandir'' phase of a full
                     build.  This skips running mtree(8) on DESTDIR, useful on                        build.  This has the effect of allowing only changed
                     systems where building as an unprivileged user, or where                        files in a source tree to be recompiled.  This can speed
                     it is known that the system-wide mtree files have not                        up builds when updating only a few files in the tree.
                     changed.  
   
                     Default: Unset.                        Default: Unset.
   
      NOINCLUDES     If set, avoids the ``make includes'' phase of a full       NODISTRIBDIRS    If set, avoids the ``make distrib-dirs'' phase of a full
                     build.  This has the effect of preventing make(1) from                        build.  This skips running mtree(8) on DESTDIR, useful
                     thinking that some programs are out-of-date simply because                        on systems where building as an unprivileged user, or
                     the system include files have changed.  However, this op-                        where it is known that the system-wide mtree files have
                     tion should not be used when updating the entire NetBSD                        not changed.
                     source tree arbitrarily; it is suggested to use UPDATE in  
                     that case.  
   
                     Default: Unset.                        Default: Unset.
   
      RELEASEDIR     If set, specifies the directory to which a release(7) lay-       NOINCLUDES       If set, avoids the ``make includes'' phase of a full
                     out will be written at the end of a ``make release''.                        build.  This has the effect of preventing make(1) from
                         thinking that some programs are out-of-date simply be-
                         cause the system include files have changed.  However,
                         this option should not be used when updating the entire
                         NetBSD source tree arbitrarily; it is suggested to use
                         UPDATE in that case.
   
                     Default: Unset.                        Default: Unset.
   
      UPDATE         If set, then in addition to the effects described for UP-       RELEASEDIR       If set, specifies the directory to which a release(7)
                     DATE above, this implies the effects of NOCLEANDIR.                        layout will be written at the end of a ``make release''.
   
                         Default: Unset.
   
        UPDATE           If set, then in addition to the effects described for
                         UPDATE above, this implies the effects of NOCLEANDIR.
   
 BUILDING  BUILDING
    "make" command line options     "make" command line options
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                 fore any system libraries or programs can be built.                  fore 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
                   order to prevent user supplied 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.
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      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.
   
      build      Build the entire NetBSD system.  This orders portions of the       build         Build the entire NetBSD system.  This orders portions of
                 source tree such that prerequisites will be built in the prop-                     the source tree such that prerequisites will be built in
                 er order.                     the proper order.
   
      release    Do a ``make build'', then package the system into a standard       distribution  Do a ``make build'', and then install a full distribution
                 release layout as described by release(7).  This requires that                     into DESTDIR.
                 RELEASEDIR be set (see above).  
        buildworld    As per ``make distribution'', except that it ensures that
                      DESTDIR is not the root directory.
   
        installworld  Install the distribution from DESTDIR to INSTALLWORLDDIR
                      (which defaults to the root directory).  Ensures that
                      INSTALLWORLDDIR is the not root directory if cross compil-
                      ing.
   
                      Note: It is highly recommended that you upgrade your kernel
                      and reboot before performing this operation.
   
        release       Do a ``make build'', then package the system into a stan-
                      dard release layout as described by release(7).  This re-
                      quires that RELEASEDIR be set (see above).
   
      regression-tests       regression-tests
                 Can only be run after building the regression tests in the di-                     Can only be run after building the regression tests in the
                 rectory ``regress''.  Runs the compiled regression tests on                     directory ``regress''.  Runs the compiled regression tests
                 the local host.                     on the local host.
   
    The "build.sh" script     The "build.sh" script
      This script file is a Bourne shell script designed to build the entire       This script file is a Bourne shell script designed to build the entire
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      -b        Bootstrap ``make'' and create a nbmake-MACHINE script (see be-       -b        Bootstrap ``make'' and create a nbmake-MACHINE script (see be-
                low).                 low).
   
      -d        Build a full distribution.  This differs from a normal build in       -D dest   Set the value of DESTDIR to dest.
                that etc files will also be installed.  Note this does not  
                build a ``release''; no release sets are placed in ${RE-       -d        Build a full distribution.  This differs from a default build
                LEASEDIR}.                 in that files will also be installed to /dev, /etc, /root and
                  /var.  Note this does not build a ``release''; no release sets
                  are placed in ${RELEASEDIR}.  -d is implied by -R.
   
        -E        Set `expert' mode; DESTDIR does not have to be set to a non-
                  root path for builds when this is set.
   
        -i installworlddir
                  Install the contents of DESTDIR to installworlddir after all
                  other operations have completed, using the top level
                  ``installworld'' target.
   
      -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
                  Build a new kernel.  The kernel argument is the name of a con-
                  figuration file suitable for use by config(8).  If kernel does
                  not contain any `/' characters, the configuration file is ex-
                  pected to be found in the KERNCONFDIR directory, which is typi-
                  cally 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 -t option) in a separate invocation of build.sh pri-
                  or to using the -k option, or that the -t and -k options be
                  used together in a single invocation of build.sh.
   
        -M obj    Set MAKEOBJDIRPREFIX to obj.
   
      -m mach   Set the value of MACHINE to mach.  This will also override any       -m mach   Set the value of MACHINE to mach.  This will also override any
                value of MACHINE_ARCH in the process environment with a value                 value of MACHINE_ARCH in the process environment with a value
                deduced from mach, unless -a is specified.  All cross builds                 deduced from mach, unless -a is specified.  All cross builds
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                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
                  place the built object files under obj.  For instance, a set-
                  ting of /usr/obj will place build-time files under
                  /usr/obj/bin, /usr/obj/lib, and so forth.
   
      -o        Set the value of MKOBJDIRS to ``no''.       -o        Set the value of MKOBJDIRS to ``no''.
   
        -R rel    Set the value of RELEASEDIR to rel.  Setting this option will
                  cause build.sh to run ``make release'' instead of ``make
                  build''.
   
      -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
                  ``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-       -t        Build and install the host tools from src/tools only.  This op-
                tion implies -b.                 tion implies -b.
   
        -U        Set the UNPRIVED variable.
   
      -u        Set the UPDATE variable.       -u        Set the UPDATE variable.
   
        -V var=[value]
                  Set the variable var to value (which is optional).  This is
                  useful for setting RELEASEDIR without actually building a re-
                  lease.
   
      -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.
   
      -D dest   Set the value of DESTDIR to dest.  
   
      -M obj    Set MAKEOBJDIRPREFIX to obj.  
   
      -O obj    Create an appropriate transform macro for MAKEOBJDIR that will  
                place the built object files under obj.  For instance, a set-  
                ting of /usr/obj will place build-time files files under  
                /usr/obj/bin, /usr/obj/lib, and so forth.  
   
      -R rel    Set the value of RELEASEDIR to rel.  Setting this option will  
                cause build.sh to run ``make release'' instead of ``make  
                build''.  
   
      -T tools  Set the value of TOOLDIR to tools.  If set, the bootstrap  
                ``make'' will only be rebuilt as needed (when the source files  
                for make(1) change).  
   
      -U        Set the UNPRIVED variable.  
   
    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
      will be created in TOOLDIR/bin upon the first build to assist in building       will be created in TOOLDIR/bin upon the first build to assist in building
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      with an absolute path.       with an absolute path.
   
 EXAMPLES  EXAMPLES
      1.   % ./build.sh -U       ./build.sh -t
                  Build a new toolchain.
           Using unprivileged mode, build a complete distribution to a DESTDIR  
           directory that build.sh selects (and will display).  
   
      2.   # ./build.sh -U -d -D /  
   
           As root, install to / a complete distribution.  Even though this is       cd ${KERNCONFDIR} ; ${TOOLDIR}/bin/nbconfig GENERIC
           run as root, -U is required so that the permissions stored in                 Use the new version of config(8) to prepare to build a new
           DESTDIR/METALOG are correctly applied to the files as they're copied                 GENERIC kernel.
           to /.  
        cd ${KERNOBJDIR}/GENERIC ; ${TOOLDIR}/bin/nbmake-${MACHINE} dependall
      3.   % ./build.sh -U -u -R <dir>                 Use the new toolchain to build a new GENERIC kernel.
   
           Using unprivileged mode, build a complete release to a DESTDIR di-       ./build.sh -t -k GENERIC
           rectory that build.sh selects (and will display), and to a user                 Build a new toolchain, and use the new toolchain to configure
           specified RELEASEDIR.  MKUPDATE=yes (-u) is set to prevent the                 and build a new GENERIC kernel.
           ``make cleandir'', so that if this is run after example 1, it  
           doesn't need to redo that portion of the release build.       ./build.sh -U -d
                  Using unprivileged mode, build a complete distribution in
      4.   % ./build.sh -t                 DESTDIR.
   
           Perform a build that builds and installs the cross tools only. These       ./build.sh -U -R /some/dir/RELEASE
           are installed into a TOOLDIR directory that build.sh selects (and                 Using unprivileged mode, build a complete release in the speci-
           will display).                 fied release directory.
   
 OBSOLETE VARIABLES  OBSOLETE VARIABLES
      NBUILDJOBS  Now obsolete.  Use the make(1) option -j, instead.       NBUILDJOBS  Use the make(1) option -j, instead.
   
        USE_NEW_TOOLCHAIN
                    The new toolchain is now the default.  To disable, use
                    TOOLCHAIN_MISSING=yes.
   
 SEE ALSO  SEE ALSO
      make(1), hier(7), release(7)       make(1), hier(7), release(7)
   
 HISTORY  HISTORY
      The USE_NEW_TOOLCHAIN based build scheme was introduced in the ``NetBSD-       The build.sh based build scheme was introduced for NetBSD 1.6 as
      current'' development sources between NetBSD 1.5 and NetBSD 1.6.       USE_NEW_TOOLCHAIN, and re-worked to TOOLCHAIN_MISSING after that.
   
 BUGS  BUGS
      A few platforms are not yet using the USE_NEW_TOOLCHAIN system.       A few platforms are not yet using this build system.
   
 NetBSD                            May 3, 2002                                9  NetBSD                          January 4, 2003                             10

Legend:
Removed from v.1.12.2.1  
changed lines
  Added in v.1.21

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