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Diff for /src/BUILDING between version 1.105 and 1.105.4.1

version 1.105, 2013/05/29 21:59:51 version 1.105.4.1, 2014/08/10 07:27:15
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                     ``reachover'' Makefile semantics when building these                      ``reachover'' Makefile semantics when building these
                     programs for a native host.                      programs for a native host.
   
        external, sys/external
                       Sources and build infrastructure for components imported
                       (mostly) unchanged from upstream maintainers, sorted by
                       applicable license.  This is (slowly) replacing the
                       crypto/dist, dist, and gnu/dist directories.
   
      distrib/, etc/       distrib/, etc/
                     Sources for items used when making a full release                      Sources for items used when making a full release
                     snapshot, such as files installed in DESTDIR/etc on the                      snapshot, such as files installed in DESTDIR/etc on the
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      otherwise specified, these variables may be set in either the process       otherwise specified, these variables may be set in either the process
      environment or the make(1) configuration file specified by MAKECONF.       environment or the make(1) configuration file specified by MAKECONF.
   
      BUILDID     Identifier for the build.  The identifier will be appended to       BUILDID     Identifier for the build.  If set, this should be a short
                  object directory names, and can be consulted in the make(1)                   string that is suitable for use as part of a file or
                    directory name.  The identifier will be appended to object
                    directory names, and can be consulted in the make(1)
                  configuration file in order to set additional build                   configuration file in order to set additional build
                  parameters, such as compiler flags.                   parameters, such as compiler flags.  It will also be used as
                    part of the kernel version string, which can be printed by
                    ``uname -v''.
   
                    Default: Unset.
   
        BUILDINFO   This may be a multi-line string containing information about
                    the build.  This will appear in DESTDIR/etc/release, and it
                    will be stored in the buildinfo variable in any kernels that
                    are built.  When such kernels are booted, the sysctl(7)
                    kern.buildinfo variable will report this value.  The string
                    may contain backslash escape sequences, such as ``\\''
                    (representing a backslash character) and ``\n'' (representing
                    a newline).
   
                    Default: Unset.
   
      BUILDSEED   GCC uses random numbers when compiling C++ code.  This       BUILDSEED   GCC uses random numbers when compiling C++ code.  This
                  variable seeds the gcc random number generator using the                   variable seeds the gcc random number generator using the
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                  Default: ``no''                   Default: ``no''
   
        MKCROSSGDB  Can be set to ``yes'' or ``no''.  Create a cross-gdb as a
                    host tool.
   
                    Default: ``no''
   
      MKCRYPTO    Can be set to ``yes'' or ``no''.  Indicates whether       MKCRYPTO    Can be set to ``yes'' or ``no''.  Indicates whether
                  cryptographic code will be included in a build; provided for                   cryptographic code will be included in a build; provided for
                  the benefit of countries that do not allow strong                   the benefit of countries that do not allow strong
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                  Default: ``yes''                   Default: ``yes''
   
        MKDEBUG     Can be set to ``yes'' or ``no''.  Indicates whether debug
                    information should be generated for all userland binaries
                    compiled.  The result is collected as an additional debug.tgz
                    and xdebug.tgz set and installed in /usr/libdata/debug.
   
                    Default: ``no''
   
        MKDEBUGLIB  Can be set to ``yes'' or ``no''.  Indicates whether debug
                    information (see MKDEBUG) should also be generated for all
                    libraries build.
   
                    Default: ``no''
   
      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 DESTDIR/usr/share/doc will be                   documentation destined for DESTDIR/usr/share/doc will be
                  installed during a build.                   installed during a build.
Line 245  CONFIGURATION
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                  Default: ``yes''                   Default: ``yes''
   
        MKKDEBUG    Can be set to ``yes'' or ``no''.  Force generation of full-
                    debug symbol versions of all kernels compiled.  Alongside of
                    the netbsd kernel file, an unstripped version netbsd.gdb is
                    created.  This is useful if a cross-gdb is built as well (see
                    MKCROSSGDB).
   
                    Default: ``no''
   
      MKKMOD      Can be set to ``yes'' or ``no''.  Indicates whether kernel       MKKMOD      Can be set to ``yes'' or ``no''.  Indicates whether kernel
                  modules are built and installed.                   modules are built and installed.
   
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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.
   
        kernel.gdb=kconf
                      Build a new kernel with debug information.  Similar to the
                      above kernel=kconf operation, but creates a netbsd.gdb file
                      alongside of the kernel netbsd, which contains a full
                      symbol table and can be used for debugging (for example
                      with a cross-gdb built by MKCROSSGDB).
   
      modules       This command will build kernel modules and install them       modules       This command will build kernel modules and install them
                    into DESTDIR.                     into DESTDIR.
   
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      live-image    Perform ``make live-image''.       live-image    Perform ``make live-image''.
   
        list-arch     Prints a list of valid MACHINE and MACHINE_ARCH settings,
                      the default MACHINE_ARCH for each MACHINE, and aliases for
                      MACHINE/MACHINE_ARCH pairs, and then exits.  The -m or -a
                      options (or both) may be used to specify glob patterns that
                      will be used to narrow the list of results; for example,
                      ``build.sh -m 'evm*' -a '*arm*' list-arch'' will list all
                      known MACHINE/MACHINE_ARCH values in which either MACHINE
                      or ALIAS matches the pattern `evb*', and MACHINE_ARCH
                      matches the pattern `*arm*'.
   
      The following command line options alter the behaviour of the build.sh       The following command line options alter the behaviour of the build.sh
      operations described above:       operations described above:
   
      -a arch   Set the value of MACHINE_ARCH to arch.       -a arch   Set the value of MACHINE_ARCH to arch.  See the -m option for
                  more information.
   
      -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
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                bandwidth.                 bandwidth.
   
      -M obj    Set MAKEOBJDIRPREFIX to obj.  Unsets MAKEOBJDIR.  See ``-O       -M obj    Set MAKEOBJDIRPREFIX to obj.  Unsets MAKEOBJDIR.  See ``-O
                -obj'' for more information.                 obj'' for more information.
   
                For instance, if the source directory is /usr/src, a setting of                 For instance, if the source directory is /usr/src, a setting of
                ``-M /usr/obj'' will place build-time files under                 ``-M /usr/obj'' will place build-time files under
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                relative path.  If the directory does not already exist,                 relative path.  If the directory does not already exist,
                build.sh will create it.                 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, unless the mach argument is
                listed below.  This will also override any value of                 an alias that refers to a MACHINE/MACHINE_ARCH pair, in which
                MACHINE_ARCH in the process environment with a value deduced                 case both MACHINE and MACHINE_ARCH are set from the alias.
                from mach, unless -a is specified.  All cross builds require                 Such aliases are interpreted entirely by build.sh; they are not
                -m, but if unset on a NetBSD host, the host's value of MACHINE                 used by any other part of the build system.  The MACHINE_ARCH
                will be detected and used automatically.                 setting implied by mach will override any value of MACHINE_ARCH
                  in the process environment, but will not override a value set
                Some machines support multiple values for MACHINE_ARCH.  The                 by the -a option.  All cross builds require -m, but if unset on
                following special cases for the mach argument are defined to                 a NetBSD host, the host's value of MACHINE will be detected and
                set the listed values of MACHINE and MACHINE_ARCH:                 used automatically.
   
                      mach          MACHINE    MACHINE_ARCH                 See the list-arch operation for a way to get a list of valid
                      evbarm        evbarm     (not set)                 MACHINE and MACHINE_ARCH settings.
                      evbarm-eb     evbarm     armeb  
                      evbarm-el     evbarm     arm  
                      evbmips       evbmips    (not set)  
                      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       -N noiselevel
                Set the ``noisyness'' level of the build, by setting                 Set the ``noisyness'' level of the build, by setting
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                by the values of several variables and by the location of the                 by the values of several variables and by the location of the
                source directory.                 source directory.
   
                  Note that placing the obj directory location outside of the
                  default source tree hierarchy makes it easier to manually clear
                  out old files in the event the ``make cleandir'' operation is
                  unable to do so.  (See CAVEATS below.)
   
                  Note also that use of one of -M or -O is the only means of
                  building multiple machine architecture userlands from the same
                  source tree without cleaning between builds (in which case, one
                  would specify distinct obj locations for each).
   
      -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
                behaviour when not using build.sh.                 behaviour when not using build.sh.
Line 1008  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.
   
 NetBSD                         November 8, 2012                         NetBSD  CAVEATS
        After significant updates to third-party components in the source tree,
        the ``make cleandir'' operation may be insufficient to clean out old
        files in object directories.  Instead, one may have to manually remove
        the files.  Consult the UPDATING file for notices concerning this.
   
   NetBSD                          August 7, 2014                          NetBSD

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Removed from v.1.105  
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  Added in v.1.105.4.1

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