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Diff for /src/BUILDING between version 1.70 and 1.89

version 1.70, 2008/03/28 05:23:44 version 1.89, 2009/10/10 19:05:28
Line 108  CONFIGURATION
Line 108  CONFIGURATION
   
      MAKEOBJDIR        Directory to use as the .OBJDIR for the current direc-       MAKEOBJDIR        Directory to use as the .OBJDIR for the current direc-
                        tory.  The value is subjected to variable expansion by                         tory.  The value is subjected to variable expansion by
                        make(1).  Used only if MAKEOBJDIRPREFIX is not defined.                         make(1).  Typical usage is to set this variable to a
                        MAKEOBJDIR can only be provided in the environment or                         value involving the use of `${.CURDIR:S...}' or
                        via the -O flag of build.sh.                         `${.CURDIR:C...}', to derive the value of .OBJDIR from
                          the value of .CURDIR.  Used only if MAKEOBJDIRPREFIX is
      MAKEOBJDIRPREFIX  Top level directory of the object directory tree.  If                         not defined.  MAKEOBJDIR can be provided only in the
                        specified, must be an absolute path.  If this is                         environment or via the -O flag of build.sh; it cannot
                        defined, ${MAKEOBJDIRPREFIX}/${.CURDIR} is used as the                         usefully be set inside a Makefile, including mk.conf or
                        .OBJDIR for the current directory.  The current direc-                         ${MAKECONF}.
                        tory may be read only.  MAKEOBJDIRPREFIX can only be  
                        provided in the environment or via the -M flag of       MAKEOBJDIRPREFIX  Top level directory of the object directory tree.  The
                        build.sh.                         value is subjected to variable expansion by make(1).
                          build.sh will create the ${MAKEOBJDIRPREFIX} directory
                          if necessary, but if make(1) is used without build.sh,
                          then rules in <bsd.obj.mk> will abort the build if the
                          ${MAKEOBJDIRPREFIX} directory does not exist.  If the
                          value is defined and valid, then ${MAKEOBJDIRPRE-
                          FIX}/${.CURDIR} is used as the .OBJDIR for the current
                          directory.  The current directory may be read only.
                          MAKEOBJDIRPREFIX can be provided only in the environ-
                          ment or via the -M flag of build.sh; it cannot usefully
                          be set inside a Makefile, including mk.conf or
                          ${MAKECONF}.
   
    "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 130  CONFIGURATION
Line 141  CONFIGURATION
                  configuration file in order to set additional build parame-                   configuration file in order to set additional build parame-
                  ters, such as compiler flags.                   ters, such as compiler flags.
   
        BUILDSEED   GCC uses random numbers when compiling C++ code.  This vari-
                    able seeds the gcc random number generator using the -fran-
                    dom-seed flag with this value.  By default, it is set to
                    NetBSD-(majorversion).  Using a fixed value causes C++ bina-
                    ries to be the same when built from the same sources, result-
                    ing in identical (reproducible) builds.  Additional informa-
                    tion is available in the GCC documentation of -frandom-seed.
   
      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,
Line 153  CONFIGURATION
Line 172  CONFIGURATION
      MAKEVERBOSE       MAKEVERBOSE
                  Level of verbosity of status messages.  Supported values:                   Level of verbosity of status messages.  Supported values:
   
                  0    No descriptive messages are shown.                   0    No descriptive messages or commands executed by make(1)
                         are shown.
   
                  1    Descriptive messages are shown.                   1    Brief messages are shown describing what is being done,
                         but the actual commands executed by make(1) are not dis-
                         played.
   
                    2    Descriptive messages are shown as above (prefixed with a
                         `#'), and ordinary commands performed by make(1) are
                         displayed.
   
                    3    In addition to the above, all commands performed by
                         make(1) are displayed, even if they would ordinarily
                         have been hidden through use of the ``@'' prefix in the
                         relevant makefile.
   
                  2    Descriptive messages (prefixed with a `#') and command                   4    In addition to the above, commands executed by make(1)
                       output is not suppressed.                        are traced through use of the sh(1) ``-x'' flag.
   
                  Default: 2                   Default: 2
   
Line 181  CONFIGURATION
Line 212  CONFIGURATION
   
                  Default: ``yes''                   Default: ``yes''
   
        MKHTML      Can be set to ``yes'' or ``no''.  Indicates whether prefor-
                    matted HTML manual pages will be built and installed
   
                    Default: ``yes''
   
      MKHOSTOBJ   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
Line 257  CONFIGURATION
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                  Default: ``yes''                   Default: ``yes''
   
        MKSTRIPIDENT
                    Can be set to ``yes'' or ``no''.  Indicates whether program
                    binaries and shared libraries should be built to include RCS
                    IDs for use with ident(1).
   
                    Default: ``no''
   
        MKSUBPIXEL  Can be set to ``yes'' or ``no''.  For X builds, decides if
                    subpixel rendering code in FreeType is turned on.  Turned off
                    by default because of patent issues.
   
                    Default: ``no''
   
      MKTTINTERP  Can be set to ``yes'' or ``no''.  For X builds, decides if       MKTTINTERP  Can be set to ``yes'' or ``no''.  For X builds, decides if
                  the TrueType bytecode interpreter is turned on.  See                   the TrueType bytecode interpreter is turned on.  See
                  http://www.freetype.org/patents.html for details.                   http://www.freetype.org/patents.html for details.
Line 281  CONFIGURATION
Line 330  CONFIGURATION
   
                  Default: ``no''                   Default: ``no''
   
      MKX11       Can be set to ``yes'' or ``no''.  Indicates whether X11R6 is       MKX11       Can be set to ``yes'' or ``no''.  Indicates whether X11 is
                  built from X11SRCDIR.                   built from X11SRCDIR.
   
                  Default: ``no''                   Default: ``no''
Line 314  CONFIGURATION
Line 363  CONFIGURATION
                         build or runtime problems when building the whole                          build or runtime problems when building the whole
                         NetBSD source tree.                          NetBSD source tree.
   
                  Default: ``yes''                   Default: ``yes'', unless TOOLCHAIN_MISSING is set to ``yes''.
   
                    USETOOLS is also set to ``no'' when using <bsd.*.mk> outside
                    the NetBSD source tree.
   
      X11SRCDIR   Directory containing the X11R6 source.  If specified, must be       X11SRCDIR   Directory containing the X11R6 source.  If specified, must be
                  an absolute path.  The main X11R6 source is found in                   an absolute path.  The main X11R6 source is found in
                  X11SRCDIR/xfree/xc.                   X11SRCDIR/xfree/xc.
   
                  Default: ``/usr/xsrc''                   Default: NETBSDRCDIR/../xsrc, if that exists; otherwise
                    /usr/xsrc.
   
        X11FLAVOUR  The style of X11 cross-built, set to either ``Xorg'' or
                    ``XFree86''.
   
                    Default: ``Xorg'' on amd64, i386, macppc, shark and sparc64
                    platforms, ``XFree86'' on everything else.
   
    "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
Line 398  BUILDING
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      -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 dependencies as necessary to                  use .WAIT or have explicit dependencies as necessary to
                 enforce build ordering.  If you see build failures with -j,                  enforce build ordering.
                 please save complete build logs so the failures can be ana-  
                 lyzed.  
   
      -m dir     Specify the default directory for searching for system Make-       -m dir     Specify the default directory for searching for system Make-
                 file segments, mainly the <bsd.*.mk> files.  When building any                  file segments, mainly the <bsd.*.mk> files.  When building any
Line 609  BUILDING
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      makewrapper   Create the nbmake-MACHINE wrapper.  This operation is auto-       makewrapper   Create the nbmake-MACHINE wrapper.  This operation is auto-
                    matically performed for any of the other operations.                     matically performed for any of the other operations.
   
        cleandir      Perform ``make cleandir''.
   
      obj           Perform ``make obj''.       obj           Perform ``make obj''.
   
      tools         Build and install the host tools from src/tools.  This com-       tools         Build and install the host tools from src/tools.  This com-
Line 635  BUILDING
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                    This command will run ``make cleandir'' on the kernel in                     This command will run ``make cleandir'' on the kernel in
                    question first unless the -u option is given.                     question first unless the -u option is given.
   
        modules       This command will build kernel modules and install them
                      into DESTDIR.
   
      releasekernel=kconf       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
                    kernel=kconf into                     kernel=kconf into
Line 665  BUILDING
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                ``nbmake-MACHINE-BUILDID''.                 ``nbmake-MACHINE-BUILDID''.
   
      -C cdextras       -C cdextras
                Set the value of CDEXTRA to cdextras which is a space-separated                 Append cdextras to the CDEXTRA variable, which is a space-sepa-
                list of files or directories which will be added in order to                 rated list of files or directories that will be added to the
                the CD-ROM image when used in conjunction with ``iso-image'' or                 CD-ROM image that may be create by the ``iso-image'' or
                ``iso-image-source''.  Files will be added to the root of the                 ``iso-image-source'' operations.  Files will be added to the
                CD-ROM image, whereas directories will be copied recursively.                 root of the CD-ROM image, whereas directories will be copied
                If relative paths are specified, they will be converted to                 recursively.  If relative paths are specified, they will be
                absolute paths before being used.                 converted to absolute paths before being used.  Multiple paths
                  may be specified via multiple -C options, or via a single
                  option whose argument contains multiple space-separated paths.
   
      -D dest   Set the value of DESTDIR to dest.  If a relative path is speci-       -D dest   Set the value of DESTDIR to dest.  If a relative path is speci-
                fied, it will be converted to an absolute path before being                 fied, it will be converted to an absolute path before being
Line 688  BUILDING
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      -h        Print a help message.       -h        Print a help message.
   
      -j njob   Run up to njob make(1) subjobs in parallel; passed through to       -j njob   Run up to njob make(1) subjobs in parallel; passed through to
                make(1).  Makefiles should use .WAIT or have explicit dependan-                 make(1).  If you see failures for reasons other than running
                cies as necessary to enforce build ordering.  If you see build                 out of memory while using build.sh with -j, please save com-
                failures with -j, please save complete build logs so the fail-                 plete build logs so the failures can be analyzed.
                ures can be analyzed.  
                  To achieve the fastest builds, -j values between (1 + the num-
      -M obj    Set MAKEOBJDIRPREFIX to obj.  If a relative path is specified,                 ber of CPUs) and (2 * the number of CPUs) are recommended.  Use
                it will be converted to an absolute path before being used.                 lower values on machines with limited memory or I/O bandwidth.
                Unsets MAKEOBJDIR.  
        -M obj    Set MAKEOBJDIRPREFIX to obj.  Unsets MAKEOBJDIR.  See ``-O
                  -obj'' for more information.
   
                  For instance, if the source directory is /usr/src, a setting of
                  ``-M /usr/obj'' will place build-time files under
                  /usr/obj/usr/src/bin, /usr/obj/usr/src/lib,
                  /usr/obj/usr/src/usr.bin, and so forth.
   
                  If a relative path is specified, it will be converted to an
                  absolute path before being used.  build.sh imposes the restric-
                  tion that the argument to the -M option must not begin with a
                  ``$'' (dollar sign) character; otherwise it would be too diffi-
                  cult to determine whether the value is an absolute or a rela-
                  tive path.  If the directory does not already exist, build.sh
                  will create it.
   
      -m mach   Set the value of MACHINE to mach, except in some special cases       -m mach   Set the value of MACHINE to mach, except in some special cases
                listed below.  This will also override any value of                 listed below.  This will also override any value of
Line 731  BUILDING
Line 810  BUILDING
                -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.  If a relative path is                 place the built object files under obj.  Unsets
                specified, it will be converted to an absolute path before                 MAKEOBJDIRPREFIX.
                being used.  For instance, a setting of /usr/obj will place  
                build-time files under /usr/obj/bin, /usr/obj/lib,                 For instance, a setting of ``-O /usr/obj'' will place build-
                /usr/obj/usr.bin, and so forth.  Unsets MAKEOBJDIRPREFIX.                 time files under /usr/obj/bin, /usr/obj/lib, /usr/obj/usr.bin,
                  and so forth.
   
                  If a relative path is specified, it will be converted to an
                  absolute path before being used.  build.sh imposes the restric-
                  tion that the argument to the -O option must not contain a
                  ``$'' (dollar sign) character.  If the directory does not
                  already exist, build.sh will create it.
   
                  In normal use, exactly one of the -M or -O options should be
                  specified.  If neither -M nor -O is specified, then a default
                  object directory will be chosen according to rules in
                  <bsd.obj.mk>.  Relying on this default is not recommended
                  because it is determined by complex rules that are influenced
                  by the values of several variables and by the location of the
                  source directory.
   
      -o        Set the value of MKOBJDIRS to ``no''.  Otherwise, it will be       -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
Line 749  BUILDING
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                (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.
   
        -S seed   Change the value of BUILDSEED to seed.  This should rarely be
                  necessary.
   
      -T tools  Set the value of TOOLDIR to tools.  If a relative path is spec-       -T tools  Set the value of TOOLDIR to tools.  If a relative path is spec-
                ified, it will be converted to an absolute path before being                 ified, it will be converted to an absolute path before being
                used.  If set, the bootstrap ``make'' will only be rebuilt if                 used.  If set, the bootstrap ``make'' will only be rebuilt if
Line 795  BUILDING
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      with an absolute path.       with an absolute path.
   
 EXAMPLES  EXAMPLES
      1.   % ./build.sh 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
           build a new GENERIC kernel.            build a new GENERIC kernel.
   
      2.   % ./build.sh -U distribution       2.   % ./build.sh [options] -U distribution
   
           Using unprivileged mode, build a complete distribution to a DESTDIR            Using unprivileged mode, build a complete distribution to a DESTDIR
           directory that build.sh selects (and will display).            directory that build.sh selects (and will display).
   
      3.   # ./build.sh -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, -U is required so that the permis-            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            sions stored in DESTDIR/METALOG are correctly applied to the files
           as they're copied to /.            as they're copied to /.
   
      4.   % ./build.sh -U -u release       4.   % ./build.sh [options] -U -u release
   
           Using unprivileged mode, build a complete release to DESTDIR and            Using unprivileged mode, build a complete release to DESTDIR and
           RELEASEDIR directories that build.sh selects (and will display).            RELEASEDIR directories that build.sh selects (and will display).
Line 835  HISTORY
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      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
      USE_NEW_TOOLCHAIN, and re-worked to TOOLCHAIN_MISSING after that.       USE_NEW_TOOLCHAIN, and re-worked to TOOLCHAIN_MISSING after that.
   
 BUGS  NetBSD                            May 1, 2009                           NetBSD
      A few platforms are not yet using this build system.  
   
 NetBSD                          March 18, 2008                          NetBSD  

Legend:
Removed from v.1.70  
changed lines
  Added in v.1.89

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