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Diff for /src/BUILDING between version 1.77 and 1.90

version 1.77, 2008/09/06 23:23:17 version 1.90, 2009/11/30 16:13:22
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      x11/           ``Reachover'' build structure for X11R6; the source is in       x11/           ``Reachover'' build structure for X11R6; the source is in
                     X11SRCDIR.                      X11SRCDIR.
   
        extsrc/        ``Reachover'' build structure for externally added programs
                       and libraries; the source is in EXTSRCSRCDIR.
   
    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).
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                        the value of .CURDIR.  Used only if MAKEOBJDIRPREFIX is                         the value of .CURDIR.  Used only if MAKEOBJDIRPREFIX is
                        not defined.  MAKEOBJDIR can be provided only in the                         not defined.  MAKEOBJDIR can be provided only in the
                        environment or via the -O flag of build.sh; it cannot                         environment or via the -O flag of build.sh; it cannot
                        usefully be set inside a Makefile.                         usefully be set inside a Makefile, including mk.conf or
                          ${MAKECONF}.
   
      MAKEOBJDIRPREFIX  Top level directory of the object directory tree.  If       MAKEOBJDIRPREFIX  Top level directory of the object directory tree.  The
                        specified, must be an absolute path.  If this is                         value is subjected to variable expansion by make(1).
                        defined, ${MAKEOBJDIRPREFIX}/${.CURDIR} is used as the                         build.sh will create the ${MAKEOBJDIRPREFIX} directory
                        .OBJDIR for the current directory.  The current direc-                         if necessary, but if make(1) is used without build.sh,
                        tory may be read only.  MAKEOBJDIRPREFIX can be pro-                         then rules in <bsd.obj.mk> will abort the build if the
                        vided only in the environment or via the -M flag of                         ${MAKEOBJDIRPREFIX} directory does not exist.  If the
                        build.sh; it cannot usefully be set inside a Makefile.                         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-
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                  able seeds the gcc random number generator using the -fran-                   able seeds the gcc random number generator using the -fran-
                  dom-seed flag with this value.  By default, it is set to                   dom-seed flag with this value.  By default, it is set to
                  NetBSD-(majorversion).  Using a fixed value causes C++ bina-                   NetBSD-(majorversion).  Using a fixed value causes C++ bina-
                  ries to be the same when built from the same sources.  Addi-                   ries to be the same when built from the same sources, result-
                  tional information is available in the GCC documentation of                   ing in identical (reproducible) builds.  Additional informa-
                  -frandom-seed.                   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
Line 157  CONFIGURATION
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                  Note: build.sh will provide a default of destdir.MACHINE (in                   Note: build.sh will provide a default of destdir.MACHINE (in
                  the top-level .OBJDIR) unless run in `expert' mode.                   the top-level .OBJDIR) unless run in `expert' mode.
   
        EXTSRCSRCDIR
                    Directory containing sources of externally added programs
                    and libraries.  If specified, must be an absolute path.
   
                    Default: NETBSDRCDIR/../extsrc, if that exists; otherwise
                    /usr/extsrc.
   
      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.
   
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      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
   
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                  Default: ``yes''                   Default: ``yes''
   
        MKEXTSRC    Can be set to ``yes'' or ``no''.  Indicates whether extsrc is
                    built from EXTSRCSRCDIR.
   
                    Default: ``no''
   
      MKHTML      Can be set to ``yes'' or ``no''.  Indicates whether prefor-       MKHTML      Can be set to ``yes'' or ``no''.  Indicates whether prefor-
                  matted HTML manual pages will be built and installed                   matted HTML manual pages will be built and installed
   
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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.
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                  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.
   
                  Mutually exclusive to MKXORG != no.  
   
                  Default: ``no''  
   
      MKXORG      Can be set to ``yes'' or ``no''.  Indicates whether X11R7  
                  (modular Xorg) is built from X11SRCDIR.  
   
                  Mutually exclusive to MKX11 != no.  
   
                  Default: ``no''                   Default: ``no''
   
      TOOLDIR     Directory to hold the host tools, once built.  If specified,       TOOLDIR     Directory to hold the host tools, once built.  If specified,
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                  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
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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
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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
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                ber of CPUs) and (2 * the number of CPUs) are recommended.  Use                 ber of CPUs) and (2 * the number of CPUs) are recommended.  Use
                lower values on machines with limited memory or I/O bandwidth.                 lower values on machines with limited memory or I/O bandwidth.
   
      -M obj    Set MAKEOBJDIRPREFIX to obj.  For instance, if the source       -M obj    Set MAKEOBJDIRPREFIX to obj.  Unsets MAKEOBJDIR.  See ``-O
                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.  Unsets MAKEOBJDIR.  See ``-O  
                -obj'' for more information.                 -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
                MACHINE_ARCH in the process environment with a value deduced                 MACHINE_ARCH in the process environment with a value deduced
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                -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.  Unsets
                ting of ``-O /usr/obj'' will place build-time files under                 MAKEOBJDIRPREFIX.
                /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 abso-                 For instance, a setting of ``-O /usr/obj'' will place build-
                lute path before being used.  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                 In normal use, exactly one of the -M or -O options should be
                specified.  If the source directory is /usr/src and neither -M                 specified.  If neither -M nor -O is specified, then a default
                nor -O is specified, then a default object directory will be                 object directory will be chosen according to rules in
                chosen according to rules in <bsd.obj.mk>; this default is usu-                 <bsd.obj.mk>.  Relying on this default is not recommended
                ally either /usr/obj or /usr/obj.MACHINE.                 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 822  BUILDING
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      -x        Set MKX11=yes.       -x        Set MKX11=yes.
   
        -Y extsrcsrc
                  Set the value of EXTSRCSRCDIR to extsrcsrc.  If a relative path is
                  specified, it will be converted to an absolute path before
                  being used.
   
        -y        Set MKEXTSRC=yes.
   
      -Z var    Unset ("zap") the environment variable var.  This is propagated       -Z var    Unset ("zap") the environment variable var.  This is propagated
                to the nbmake wrapper.                 to the nbmake wrapper.
   
Line 840  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 880  HISTORY
Line 954  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
      USE_NEW_TOOLCHAIN, and re-worked to TOOLCHAIN_MISSING after that.       USE_NEW_TOOLCHAIN, and re-worked to TOOLCHAIN_MISSING after that.
   
 NetBSD                          August 18, 2008                         NetBSD  NetBSD                            May 1, 2009                           NetBSD

Legend:
Removed from v.1.77  
changed lines
  Added in v.1.90

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