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Diff for /src/BUILDING between version 1.17 and 1.22

version 1.17, 2002/11/25 19:18:44 version 1.22, 2003/01/23 16:24:08
Line 30  REQUIREMENTS
Line 30  REQUIREMENTS
      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.
   
            Note: A couple host toolchain components are not yet available in             Note: A couple of host toolchain components are not yet available
            the tools directory.  Also, some tools use non-POSIX, non-ANSI C             in the tools directory.  Also, some tools use non-POSIX, non-ANSI C
            extensions and need to be standardized.  As a result, cross-compil-             extensions and need to be standardized.  As a result, cross-compil-
            ing from systems other than NetBSD is not currently supported.             ing from systems other than NetBSD is not currently supported.
   
Line 282  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
Line 400  BUILDING
Line 405  BUILDING
      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, including files in /dev, /etc, /root and
                 RELEASEDIR be set (see above).                     /var.
   
        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 distribution'', build kernels, distribution me-
                      dia, and install sets, and then package the system into a
                      standard release layout as described by release(7).  This
                      requires 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
Line 430  BUILDING
Line 451  BUILDING
      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 im-
                      plies 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.
   
        obj           Perform ``make obj''.
   
        tools         Build and install the host tools from src/tools.
   
        kernel=kconf  Build a new kernel.  The kconf argument is the name of a
                      configuration file suitable for use by config(8).  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).
   
        install=idir  Install the contents of DESTDIR to idir, using ``make
                      installworld''.
   
        The following command line options alter the behaviour of the above oper-
        ations: 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.
   
Line 441  BUILDING
Line 492  BUILDING
                that the resulting name is of the form ``nbmake-MACHINE-                 that the resulting name is of the form ``nbmake-MACHINE-
                BUILDID''.                 BUILDID''.
   
      -b        Bootstrap ``make'' and create a nbmake-MACHINE script (see be-       -D dest   Set the value of DESTDIR to dest.
                low).  
   
      -d        Build a full distribution.  This differs from a default build       -E        Set `expert' mode; DESTDIR does not have to be set to a non-
                in that files will also be installed to /dev, /etc, /root and                 root path for builds when this is set.
                /var.  Note this does not build a ``release''; no release sets  
                are placed in ${RELEASEDIR}.  -d is implied by -R.  
   
      -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.
                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 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
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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.
   
      -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        Build and install the host tools from src/tools only.  This op-       -T tools  Set the value of TOOLDIR to tools.  If set, the bootstrap
                tion implies -b.                 ``make'' will only be rebuilt as needed (when the source files
                  for make(1) change).
   
        -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 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
      ./build.sh -t       ./build.sh tools
                Build a new toolchain.                 Build a new toolchain.
   
      cd ${KERNCONFDIR} ; ${TOOLDIR}/bin/nbconfig GENERIC       cd ${KERNCONFDIR} ; ${TOOLDIR}/bin/nbconfig GENERIC
Line 536  EXAMPLES
Line 568  EXAMPLES
      cd ${KERNOBJDIR}/GENERIC ; ${TOOLDIR}/bin/nbmake-${MACHINE} dependall       cd ${KERNOBJDIR}/GENERIC ; ${TOOLDIR}/bin/nbmake-${MACHINE} dependall
                Use the new toolchain to build a new GENERIC kernel.                 Use the new toolchain to build a new GENERIC kernel.
   
      ./build.sh -t -k GENERIC       ./build.sh tools kernel=GENERIC
                Build a new toolchain, and use the new toolchain to configure                 Build a new toolchain, and use the new toolchain to configure
                and build a new GENERIC kernel.                 and build a new GENERIC kernel.  This is a simpler way to
                  achieve what the first three examples do.
   
      ./build.sh -U -d       ./build.sh -U distribution
                Using unprivileged mode, build a complete distribution in                 Using unprivileged mode, build a complete distribution in
                DESTDIR.                 DESTDIR.
   
      ./build.sh -U -R /some/dir/RELEASE       # ./build.sh -U installworld=/
                  As root, install the distribution that was built with unprivi-
                  leged mode from DESTDIR to /.  (Even though this is run as
                  root, -U is required so that the permissions stored in
                  DESTDIR/METALOG are correctly applied to the files as they're
                  copied to /).
   
        ./build.sh -U -R /some/dir/RELEASE release
                Using unprivileged mode, build a complete release in the speci-                 Using unprivileged mode, build a complete release in the speci-
                fied release directory.                 fied release directory.
   
Line 565  HISTORY
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 BUGS  BUGS
      A few platforms are not yet using this build system.       A few platforms are not yet using this build system.
   
 NetBSD                         October 21, 2002                              9  NetBSD                         January 24, 2003                             10

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Removed from v.1.17  
changed lines
  Added in v.1.22

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