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Annotation of src/UPDATING, Revision 1.184

1.184   ! christos    1: $NetBSD: UPDATING,v 1.183 2008/12/19 20:37:45 pgoyette Exp $
1.1       abs         2:
1.123     jmc         3: This file (UPDATING) is intended to be a brief reference to recent
                      4: changes that might cause problems in the build process, and a guide for
                      5: what to do if something doesn't work.
1.1       abs         6:
1.123     jmc         7: For a more detailed description of the recommended way to build NetBSD
                      8: using build.sh, see the BUILDING file.
                      9:
                     10: Note that much of the advice in this UPDATING file was written before
                     11: build.sh existed.  Nevertheless, the advice here may be useful for
                     12: working around specific problems with build.sh.
                     13:
                     14: See also: BUILDING, build.sh, Makefile.
1.1       abs        15:
                     16: Recent changes:
                     17: ^^^^^^^^^^^^^^^
1.138     lukem      18:
1.184   ! christos   19: 20090110:
        !            20:        time_t and dev_t have been bumped to 64 bit quantities. To upgrade:
        !            21:        1. Make sure your kernel has COMPAT_50 in it. Build and install.
        !            22:        2. make sure build.sh completes and the binaries in a chroot work
        !            23:           before installing.
        !            24:        3. If you don't use build.sh and you build directly to root, and
        !            25:           your build breaks in the middle, don't dispair. Make sure headers
        !            26:           are installed properly, and start building libraries first libc
        !            27:           and libutil, install them and then continue building all the
        !            28:           libraries in src/lib and src/gnu/lib and install them. Once
        !            29:           the new libraries are installed, you can restart the build.
        !            30:        4. If you compile packages and you notice link time warnings,
        !            31:           you'll need to bump them and rebuild them.
1.183     pgoyette   32: 20081219:
                     33:        config(1) has been updated, and one of the files it creates -
                     34:        swapnetbsd.o - has changed format.  You need to rebuild config
                     35:        (done automatically by build.sh) and then you need to rerun
                     36:        config on all kernel configuration files before rebuilding those
                     37:        kernels.
                     38:
1.181     cube       39: 20081205:
                     40:        If you build with MKX11=no, you should remove /etc/rc.d/xdm and
                     41:        /etc/rc.d/xfs from DESTDIR because those files were moved to the xetc
                     42:        set and will appear as extra files for MKX11=no update builds.
1.178     lukem      43:
1.179     tsutsui    44: 20081122:
1.182     tsutsui    45:        On i386, various kernel options(4) in GENERIC including
1.180     wiz        46:        file systems have been disabled and moved into kernel modules.
                     47:        Before trying a new GENERIC kernel, you have to prepare the
1.179     tsutsui    48:        following files as well as a new GENERIC kernel:
                     49:
                     50:        - build and install kernel modules from src/sys/modules
                     51:
                     52:        - install the latest bootloader, which will load a module
1.180     wiz        53:          for the file system from which the kernel is loaded automatically
1.179     tsutsui    54:
1.180     wiz        55:        If you have to load your kernel from a file system which is not of
                     56:        the same type as the root file system, you have to load the necessary
                     57:        file system module manually on the boot prompt or in the boot.cfg file.
1.179     tsutsui    58:
1.178     lukem      59: 20080827:
                     60:        If you built and installed a libc from sources between
                     61:        2008/08/20 and 2008/08/26 you got a broken strtouq(3)
                     62:        which results in false errors reported by lint(1).
                     63:        Since this breaks the libc build itself, manual help is
1.180     wiz        64:        needed -- lint must be disabled temporarily, e.g.:
1.178     lukem      65:          $ (cd lib/libc && make MKLINT=no dependall install)
                     66:
1.177     christos   67: 20080813:
                     68:        MKDEBUG build was broken because the .depend files did not know
                     69:        about .go files. You need to remove all .depend files and rebuild.
                     70:
1.175     simonb     71: 20080731:
                     72:        WAPBL (metadata journaling support) has been added, but at this
                     73:        time isn't backwards compatible with pre-WAPBL aware kernels
                     74:        and userland (fsck_ffs in particular).  Please make sure you
                     75:        don't use a journaled filesystem with an older kernel/userland,
1.176     simonb     76:        especially an uncleanly mounted journaled filesystem.  WAPBL
                     77:        also requires the super block to be in the UFS2 format.  You
                     78:        can use fsck_ffs -c 4 to update the superblock format.
1.175     simonb     79:
1.174     lukem      80: 20080721:
                     81:        Assembler warnings are now fatal if $WARNS>0 and $NOGCCERROR
                     82:        isn't defined.
                     83:
1.173     freza      84: 20080531:
                     85:        The ioctl number of DRVSUSPENDDEV command on /dev/drvctl changed
                     86:        from 125 (conflicted with DRVCTLCOMMAND) to 129. The drvctl(8)
                     87:        utility needs to be rebuilt and reinstalled as older binaries
                     88:        won't work correctly. The following sequence of commands:
                     89:
                     90:          $ (cd sys/sys/ && nbmake-$arch includes)
                     91:          $ (cd sbin/drvctl/ && nbmake-$arch clean)
                     92:          $ (cd sbin/drvctl/ && nbmake-$arch all)
                     93:
                     94:        leaves new drvctl utility in sbin/drvctl build directory.
                     95:
1.172     lukem      96: 20080503:
                     97:        The <bsd.lib.mk> variable MKPRIVATELIB was renamed to LIBISPRIVATE.
                     98:
1.171     he         99: 20080521:
                    100:        For a while, unprivileged UPDATE builds would fail to
                    101:        succeed at the checkflist stage, complaining that
                    102:        ${DESTDIR}/stand/<arch>/ did not exist.  A fix for this
                    103:        problem was committed to share/mk/bsd.kmodule.mk, revision 1.9.
                    104:        If you already hit this problem, update the .mk file,
                    105:        remove ${DESTDIR}/stand/<arch>, and re-run the build.
                    106:
1.174     lukem     107: 20080303:
                    108:        Linker warnings are now fatal if $WARNS>0.
                    109:
1.170     christos  110: 20080126:
                    111:        The posix_fadvise system call has been changed from an assembly
                    112:        stub, to a c file that calls an assembly stub. You need to
                    113:        'rm -f posix_fadvise.* .depend' in the libc build directory to
                    114:        avoid using the old assembly stub.
                    115:
1.168     joerg     116: 20071209:
                    117:        The acpiec(4) driver has been split into two attachments. If you
                    118:        get ACPI errors before the attachment, please update your kernel
1.169     wiz       119:        configuration file appropriately or see GENERIC for more details.
1.168     joerg     120:
1.166     xtraeme   121: 20071115:
                    122:        The it(4) driver has been renamed to itesio(4) and the old port
                    123:        argument specified in the kernel configuration file is not valid
                    124:        anymore. The itesio(4) driver now uses the Super I/O address port
                    125:        rather than the EC address port. Please update your kernel
1.167     wiz       126:        configuration file appropriately or see GENERIC for more details.
1.166     xtraeme   127:
1.165     jmmv      128: 20071028:
                    129:        The pccons(4) driver has been removed from the NetBSD/shark port.
                    130:        You need to update any custom kernel configuration file you have
                    131:        to remove any references to pccons (which includes removing the
                    132:        now useless XSERVER option) and replace them with the correct
                    133:        entries for the wscons driver.  See the GENERIC configuration file
                    134:        for more details.
                    135:
1.164     gdt       136: 20070913:
                    137:        A latent bug in dhclient/dhcpd that caused it to be unable to
                    138:        enumerate interfaces was fixed.  The bug began to cause
                    139:        problems after 20070911 when the kernel's SIOCGIFCONF
                    140:        implementation was repaired.  From 20070529 to 20070911 racoon
                    141:        could not enumerate interfaces.  (These are noted because
                    142:        normal kernel/userspace version matching hygiene is not
                    143:        sufficient to avoid this problem.)  Ensure that both kernel
                    144:        and userland are from after 20070913.
                    145:
1.163     joerg     146: 20070703:
                    147:        nbinstall has been renamed as it calls the target specific and
                    148:        the logic to pass down STRIP from mk been removed.  This forces
                    149:        a re-installation of tools.
                    150:
1.161     dsl       151: 20070422:
                    152:        The way OS emulations lookup filenames inside the emulation root
                    153:        has been changed.  Rather than modify the pathname (and copy back
                    154:        to userspace) namei() and lookup() directly check the emulation
                    155:        root. One side effect is that absolute symlinks inside the emulated
1.167     wiz       156:        root file system will be relative to that file system - unless they
1.161     dsl       157:        start /../ this is useful when the emulated root is a real install
                    158:        that has such links.
                    159:        This might affect symlinks that have been added to reference outside
                    160:        the emulated root.
                    161:
1.160     jmcneill  162: 20070412:
                    163:        The pckbc driver on sgimips IP32 has been removed. Use macekbc
                    164:        instead. See the GENERIC32_IP3x kernel configuration for an
                    165:        example.
                    166:
1.159     gdt       167: 20070319:
                    168:         src/lib/libc/Makefile revision 1.129 broke libc and ld.elf_so
                    169:         on many platforms due to incorrect flags settings.  If you
                    170:         updated and built after about 20070315, do "nbmake-$arch
                    171:        cleandir" in src/lib/libc and src/libexec/ld.elf_so to force a
                    172:        rebuild of object files that might have been built
                    173:        incorrectly, and ensure that you have at least
                    174:        src/lib/libc/Makefile 1.130.
                    175:
1.158     dbj       176: 20070210:
                    177:         src/sys/sys/{sa.h,savar.h} were removed.
                    178:           find ${OBJDIR} \( -name .depend -o -name '*.d' \) -print \
                    179:               | xargs egrep -l '/sa.h|/savar.h' | xargs rm
                    180:         will allow dependencies on those files to get get rebuilt
                    181:
1.157     apb       182: 20070209:
                    183:         The threading model was changed when the newlock2 branch
                    184:         was merged to NetBSD-current.  If you boot with a new
                    185:         kernel (version 4.99.10), then you also need a new pthread
                    186:         library (/usr/lib/libpthread.so.0.7).  If you boot with
                    187:         an old kernel, then you need the old pthread library
                    188:         (/usr/lib/libpthread.so.0.6).  Provided you keep the kernel and
                    189:         the pthread library in sync, old threaded applications should
                    190:         continue to work with an old or new kernel.  Note that named(8)
                    191:        is the only threaded application in the base system.
                    192:
1.154     he        193: 20061214:
                    194:        Following the move of string_to_flags() and flags_to_string()
                    195:        from the bin/ls/ sources to libutil, users doing UPDATE builds
                    196:        will need to do a "make cleandir" in
                    197:                tools/mtree/, tools/makefs/, tools/binstall/, tools/pax/,
                    198:                bin/pax/, bin/ls/, usr.sbin/mtree/, usr.sbin/makefs/,
1.156     he        199:                usr.bin/xinstall/, libexec/ftpd/, rescue/, as well
                    200:                as the installation images in distrib/
1.154     he        201:        in order to excise stale references to the old stat_flags.h header
                    202:        file in the ls sources -- stat_flags.h has been removed.
                    203:
1.152     christos  204: 20061108:
                    205:        The configure script used in the src/tools/gcc compiler has been
                    206:        changed to indicate that our libc has ssp support built-in and
                    207:        does not depend on -lssp and -lssp-nonshared. You'll need to
                    208:        make clean in src/tools/gcc first to rebuild the compiler.
                    209:
1.151     rpaulo    210: 20061009:
                    211:        The sysctl variables net.inet{,6}.tcp{,6}.newreno are no longer
                    212:        available. Use net.inet{,6}.tcp{,6}.congctl.selected instead.
                    213:
1.150     bjh21     214: 20060814:
                    215:        The vt, vidcconsole, kbd, and rpckbd drivers on acorn32 have been
                    216:        withdrawn.  Use vidcvideo and pckbd instead.  See the GENERIC
                    217:        kernel configuration for an example.  X servers from the last
                    218:        few years should cope.
                    219:
1.149     christos  220: 20060703:
                    221:        MPACPI is no more. We always configure PCI interrupts using ACPI
                    222:        if we have an ACPI kernel. The option MPACPI_SCANPCI has been renamed
                    223:        to ACPI_SCANPCI. Thanks to work from fvdl.
                    224:
1.148     dogcow    225: 20060627:
                    226:        socket(2) has changed, and its system call has been versioned.
                    227:        For userlands with the old version of socket(2), make sure that
                    228:        your kernel has 'options COMPAT_30' set, or else 'bad system call'
                    229:        errors will result.
                    230:
1.1       abs       231: Hints for a more successful build:
                    232: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
1.123     jmc       233:     Use build.sh, but do not use its "expert mode":
1.132     jmmv      234:        This will automatically build the tools in the
1.123     jmc       235:           correct order, and it will keep the tools and the
                    236:           new build products from interfering with the running
                    237:           system.  This will allow you to ignore most of the
                    238:           other advice in this file.
1.2       mrg       239:     Build a new kernel first:
                    240:        This makes sure that any new system calls or features
                    241:           expected by the new userland will be present.  This
                    242:           helps to avoid critical errors when upgrading.
1.1       abs       243:     Use object directories:
                    244:        This helps to keep stale object
                    245:           files from polluting the build if a Makefile "forgets"
                    246:           about one.  It also makes it easier to clean up after
                    247:           a build.  It's also necessary if you want to use the
                    248:           same source tree for multiple machines.
1.123     jmc       249:           To use object directories with build.sh:
                    250:            a) invoke build.sh with the "-M" or "-O" options.
                    251:           To use object directories without using build.sh:
1.1       abs       252:            a) cd /usr/src ; make cleandir
1.2       mrg       253:            b) Add "OBJMACHINE=yes" to /etc/mk.conf
                    254:            c) Add "MKOBJDIRS=yes" to /etc/mk.conf
1.1       abs       255:            d) cd /usr/src ; make build
1.2       mrg       256:           Note that running "make obj" in a directory will create
                    257:           in obj.$MACHINE directory.
1.1       abs       258:     Build to a DESTDIR:
1.123     jmc       259:        This helps to keep old installed files (especially libraries)
                    260:           from interfering with the new build.
                    261:           To build to a DESTDIR with build.sh, use the "-D" option.
                    262:           To build to a DESTDIR without using build.sh, set the DESTDIR
                    263:           environment variable before running make build.  It should be
                    264:           set to the pathname of an initially empty directory.
                    265:           Problems: if you do not use build.sh, you might need to
                    266:                update critical utilities without using DESTDIR since
                    267:                nothing is executed from what is installed in DESTDIR.
                    268:                (See critical utils, below.)
1.1       abs       269:     Build often:
                    270:        This keeps critical utilities current enough to not choke
                    271:        on any other part of the source tree that depends on up to
1.123     jmc       272:        date functionality.  If you use build.sh, you should not have
                    273:        this problem.
1.1       abs       274:
                    275: What to do if things don't work:
                    276: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                    277: When things don't work there is usually a few things that commonly
                    278: should be done.
                    279:     1) make includes
                    280:        This should be done automatically by make build.
                    281:     2)  cd share/mk && make install
                    282:        Again, automatically done by make build.
                    283:
                    284: Failsafe rebuild of a small part of the tree:
                    285: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                    286: To make sure you rebuild something correctly you want to do
                    287: something like the following:
                    288:     1)  Make sure the includes and .mk files are up to date.
                    289:     2)  Make sure any program used to build the particular
                    290:        utility is up to date.  (yacc, lex, etc...)
                    291:     3)  cd ...path/to/util...
                    292:        make cleandir
                    293:        rm ...all obj directories...
                    294:        make cleandir                   # yes, again
                    295:        make obj
                    296:        make depend && make
                    297:
                    298: Failsafe rebuild of the entire tree:
                    299: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                    300: If you really want to make sure the source tree is clean and
1.2       mrg       301: ready for a build try the following.  Note that sourcing /etc/mk.conf
                    302: (a make(1) Makefile) in this manner is not right, and will not work
                    303: for anyone who uses any make(1) features in /etc/mk.conf.
1.1       abs       304:
                    305: ---cut here---
                    306: #!/bin/sh
                    307: . /etc/mk.conf
                    308:
1.58      lukem     309: if [ -z $NETBSDSRCDIR ] ; then
                    310:     NETBSDSRCDIR=/usr/src
1.1       abs       311: fi
1.58      lukem     312: if [ \! -d $NETBSDSRCDIR ] ; then
1.1       abs       313:     echo Unable to find sources
                    314:     exit 1
                    315: fi
1.58      lukem     316: find $NETBSDSRCDIR -name \*.o -o -name obj.\* -o -name obj -exec rm \{\} \;
1.1       abs       317:
                    318: if [ -z $BSDOBJDIR ] ; then
                    319:     BSDOBJDIR=/usr/obj
                    320: fi
                    321: if [ -d $BSDOBJDIR ] ; then
                    322:     rm -rf $BSDOBJDIR
                    323: fi
                    324:
1.58      lukem     325: cd $NETBSDSRCDIR && make cleandir
1.1       abs       326:
                    327: ---cut here---
                    328:
                    329: Critical utilities:
                    330: ^^^^^^^^^^^^^^^^^^^
1.3       itojun    331:        usr.bin/compile_et
1.1       abs       332:        usr.bin/make
                    333:        usr.bin/yacc
                    334:        usr.bin/lex
1.11      lukem     335:        usr.bin/xlint
1.142     drochner  336:        usr.bin/config
1.1       abs       337:
1.34      simonb    338: Other problems and possible solutions:
1.1       abs       339: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                    340: Symptom:Complaints involving a Makefile.
1.17      erh       341: Fix:   Rebuild usr.bin/make:
                    342:        cd usr.bin/make && make && make install
1.111     simonb    343:        Or, a failsafe method if that doesn't work:
1.17      erh       344:        cd usr.bin/make && cc *.c */*.c -I . -o make && mv make /usr/bin
                    345:
1.1       abs       346: Fix:   Make sure .mk files are up to date.
                    347:        cd share/mk && make install
1.2       mrg       348:
                    349: Symptom:Kernel `config' fails to configure any kernel, including GENERIC.
1.142     drochner  350: Fix:   Rebuild usr.bin/config
1.1       abs       351:
                    352: Symptom:
                    353: Fix:   Rebuild usr.bin/yacc
                    354:
                    355: Symptom:
                    356: Fix:   Rebuild usr.bin/lex
                    357:
                    358: Symptom:
                    359: Fix:   rm /usr/lib/libbfd.a
1.4       itojun    360:
                    361: Symptom:Obsolete intermediate files are used during compilation
                    362: Fix:   Try the following sequence of commands in the directory in question.
                    363:        make cleandir; rm `make print-objdir`; make cleandir; make obj
                    364:        (If you built the tree without "make obj" in the past, obsolete files
                    365:        may remain.  The command tries to clean everything up)
1.5       wiz       366:
                    367: Symptom:.../sysinst/run.c:xx: warning: initialization from incompatible pointer type
                    368: Fix:   Rebuild and install usr.bin/menuc
1.12      itojun    369:
                    370: Symptom:mklocale not found during build in share/locale/ctype
                    371: Fix:   Build and install usr.bin/mklocale
1.13      dogcow    372:
1.86      kleink    373: Symptom:undefined reference to `__assert13' or `__unsetenv13'
1.13      dogcow    374: Fix:    Rebuild and install lib/libc
                    375:
1.142     drochner  376: Symptom:usr.bin/config fails to build.
1.19      cgd       377: Fix:   Try building with -DMAKE_BOOTSTRAP added to CFLAGS in Makefile.
1.13      dogcow    378:
1.19      cgd       379: Symptom:undefined reference to `getprogname' or `setprogname'
                    380: Fix:    Rebuild and install lib/libc
1.24      abs       381:
                    382: Symptom:lint does not understand the '-X' option
                    383: Fix:    May need to build & install libs with NOLINT=1 before rebuilding lint

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