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Annotation of src/UPDATING, Revision 1.244

1.244   ! mrg         1: $NetBSD: UPDATING,v 1.243 2013/03/02 08:51:42 christos 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: ^^^^^^^^^^^^^^^
1.230     tls        18:
1.244   ! mrg        19: 20130530:
        !            20:        Updates of many xsrc packages will leave old .pc files around.
        !            21:        Best to clean out the xsrc objdir entirely before rebuilds.
        !            22:
1.242     christos   23: 20130301:
                     24:        The removal of netiso requires manual removal of /usr/include/netiso
1.243     christos   25:        prior to the build and make cleandir in /usr/src/usr.bin/{ktruss,kdump}
1.242     christos   26:
1.238     dholland   27: 20120726:
1.241     wiz        28:        The update of OpenSSL requires cleaning both the OpenSSL build
                     29:        directory and DESTDIR.  *Even non-update builds require cleaning
1.240     dholland   30:        DESTDIR.* Builds done without taking these steps may fail, or in
1.241     wiz        31:        some cases may succeed and install broken OpenSSL libraries that
1.240     dholland   32:        cause third-party software to link incorrectly and/or crash.
1.238     dholland   33:
1.237     wiz        34: 20120507:
1.241     wiz        35:        The database schema for makemandb was changed.  You will
1.237     wiz        36:        need to update the database using 'makemandb -f' or wait
                     37:        for the next weekly run to fix it.
                     38:
1.236     bsh        39: 20120319:
                     40:        sys/conf/Makefile.kern.inc has been modified to adjust the
                     41:        size of db_symtab automatically.  You need to update dbsym in
                     42:        your $TOOLDIR to build kernels with options SYMTAB_SPACE.  If
                     43:        you don't want this behavior, add AUTO_SYMTAB_SPACE=no to your
                     44:        mk.conf.
                     45:
1.235     joerg      46: 20120216:
1.241     wiz        47:        Default for MKCATPAGES changed to NO.  Update builds will fail
                     48:        unless DESTDIR is cleaned manually.  If you built between 20120207
1.239     dholland   49:        and 20120216, daily and weekly could have created an unreadable
1.241     wiz        50:        /var/db/man.db index for apropos.  Running makemandb -f or
1.235     joerg      51:        the next run of weekly will fix it.
1.233     joerg      52:
1.232     christos   53: 20111227:
                     54:        If you built between 20111225 and 20111227 you need to remove
                     55:        /usr/lib/libpam.so.4* and /usr/lib/security/*.so.4, since the
                     56:        bump has been reverted.
                     57:
1.231     tls        58: 20111125:
                     59:        The "rnd" pseudodevice has been added to sys/conf/std, which
                     60:        means it should no longer be explicitly listed in kernel
                     61:        configuration files.  The line "pseudo-device rnd" should be
                     62:        removed from any custom kernel config files users may have.
                     63:
1.230     tls        64: 20111119:
                     65:        A problem with the datastructures used by the rndctl(8)
                     66:        utility (pointers in datastructures in an array, making 32->64
                     67:        bit compatibility very painful) has been fixed in a
                     68:        non-backwards-compatible way.  If you replace your kernel,
                     69:        replace your rndctl executable too.
1.241     wiz        70:
1.229     jym        71: 20111001:
                     72:        the prop_*_send_syscall() functions from proplib(3) have been
                     73:        changed and their new version is not backward compatible with the old
1.241     wiz        74:        one.  So ensure that all consumers of these functions (currently:
1.229     jym        75:        quota2 code and its tests) are updated together with the new lib.
                     76:
1.228     mrg        77: 20110817:
                     78:        sparc has been changed to use GCC 4.5.3, so any objdir or
                     79:        DESTDIR for them should be deleted before updating.
                     80:
1.227     riastrad   81: 20110806:
                     82:        i386 and amd64 have been changed to use GCC 4.5.3, so any
                     83:        objdir or DESTDIR for them should be deleted before updating.
                     84:
1.226     mrg        85: 20110805:
                     86:        The update to GCC 4.5.3 requires a non-trivial portion of
                     87:        the tree to be cleaned.  Best to delete both objdir and
                     88:        DESTDIR before running this update.  So far, only the
                     89:        sparc64, mips and powerpc platforms have changed.
                     90:
1.225     matt       91: 20110803:
1.241     wiz        92:        The layout of external/public-domain/xz has changed.  To do an
1.225     matt       93:        update build you will have to remove the contents of the OBJDIR
                     94:        for external/public-domain/xz/bin by hand as the xz entry there
                     95:        is now a directory.
                     96:
1.223     joerg      97: 20110410:
1.241     wiz        98:        The configuration of src/tools/gcc has changed.  To do an
1.224     dholland   99:        update build you have to clean both tools/binutils and
                    100:        tools/gcc by hand.
1.223     joerg     101:
1.222     plunky    102: 20110328:
                    103:        Building the Xorg binary was moved into a subdirectory to fix
1.241     wiz       104:        ordering issues with "make all".  It may be necessary to remove
1.222     plunky    105:        the OBJDIR for external/mit/xorg/server/xorg-server/hw/xfree86
                    106:        if your update build fails, as the "Xorg" entry there is now a
                    107:        directory.
                    108:
1.220     joerg     109: 20110121:
1.221     lukem     110:        Assembler files no longer use -traditional-cpp.  This can break
1.220     joerg     111:        the build of individual parts of the tree.  This is handled
                    112:        correctly by build.sh.  Manual builds have to update /usr/share/mk
                    113:        and re-run config(1) for any kernel configurations as needed.
1.218     joerg     114:
1.217     jruoho    115: 20101217:
                    116:        The tcpdump(8) program was changed to drop privileges and chroot(2)
1.241     wiz       117:        by default.  It may be necessary to manually update passwd(5) and
1.217     jruoho    118:        group(5) in order to make the program work with existing setups.
                    119:
1.216     christos  120: 20101125:
                    121:        The latest changes to setenv(3) dissallow setting environment
1.241     wiz       122:        variables with names that contain '='.  Revision 1.18 of env.c
                    123:        assumed that this was allowed.  Installing a new libc with an
1.216     christos  124:        old copy of /usr/bin/env causes env x=1 printenv | grep x= to
                    125:        break which affects the autoconf tests for dependency finding,
                    126:        so building gcc will end up printing:
                    127:            checking dependency style of gcc... none
                    128:            configure: error: no usable dependency style found
                    129:        Fix it by rebuilding and re-installing env.
1.138     lukem     130:
1.215     mrg       131: 20101119:
                    132:        Recent Xorg updates in xsrc/external/mit/ may cause various build
                    133:        or run-time problems.  Delete your entire DESTDIR and OBJDIR if you
                    134:        have any build problems with xsrc, or problems with mismatched
                    135:        versions between xorg-server and drivers.
                    136:
1.213     jmmv      137: 20100604:
                    138:        The update of ATF to 0.9 causes old tests written in shell to fail
                    139:        unless they are rebuilt.  If you are building with MKUPDATE=yes,
                    140:        you need to clean the src/external/bsd/atf/tests/ and the src/tests/
                    141:        trees by hand.
                    142:
1.211     tnozaki   143: 20100522:
1.212     mrg       144:        Recent Xorg updates in xsrc/external/mit/ will cause various build
                    145:        problems.  Delete your entire DESTDIR and OBJDIR if you have any
                    146:        build problems with xsrc.
                    147:
                    148: 20100522:
1.211     tnozaki   149:        private section of <ctype.h> was splitted, and now mklocale(1)
1.214     dholland  150:        include ctype_local.h, so you have to make cleandir in tools/mklocale.
1.211     tnozaki   151:
1.210     christos  152: 20100520:
1.241     wiz       153:        The location of the xkb compiled descriptions has changed.  Please
1.210     christos  154:        remove usr/X11R7/lib/X11/xkb/compiled from your $DESTDIR.
                    155:
1.209     njoly     156: 20100222:
                    157:        The shared objects file extension has been changed from .so to
                    158:        .pico, in order to avoid conflicts with shared libraries names
                    159:        libXX.so.  All now stale regular .so files can be removed from
                    160:        your object directories.
                    161:
1.208     roy       162: 20100204:
                    163:        The termcap database has been removed from the sources,
                    164:        but has not been marked obsolete so it is not removed
                    165:        from the system when upgrading.
                    166:        As such, you will need to remove them from your object
                    167:        and destination directories.
                    168:
1.203     dyoung    169: 20091101:
1.205     dholland  170:         After updating, it may be necessary to make the 'cleandir'
                    171:         target in src/tools/yacc/ and in src/usr.bin/yacc/ before a
                    172:         'build.sh -u tools' or 'build.sh -u distribution'.  Ditto
                    173:         src/tools/lex/ and src/usr.bin/lex/.
1.203     dyoung    174:
1.202     mrg       175: 20091001:
1.206     dholland  176:        On amd64 you must rebuild tools (to get the new binutils)
                    177:        before building a kernel, or the build fails on cpufunc.S.
                    178:
                    179: 20091001:
1.202     mrg       180:        An error will create a ./usr/X11R7/lib/X11/xkb/compiled/xkb
                    181:        symlink, failing the build.  Delete the link, and the subdir
                    182:        it is in, and retry your build.
                    183:
1.201     dsl       184: 20090718:
                    185:        libc build changed so that strchr() provides the extra entry
1.241     wiz       186:        point for index().  Update build of libc.a (and libc_pic.a)
1.201     dsl       187:        may fail because the archive contains the unwanted index.o.
                    188:        (Similarly for strrchr() and rindex().)
                    189:
1.198     mrg       190: 20090709:
                    191:        Native Xorg was upgraded again.  Builds will probably fail again
                    192:        without a clean objdir, at least for src/external/mit/xorg.
                    193:
1.197     mrg       194: 20090616:
                    195:        Native Xorg was upgraded.  Builds will need a clean objdir for
                    196:        src/external/mit/xorg.  Upgrading a system from sets will not
                    197:        work properly yet as the /usr/X11R7/lib/X11/xkb/symbols/pc
                    198:        subdirectory has been changed into a file, and this needs to
                    199:        be manually "rm -r"'ed before installing xbase.tgz.
                    200:
1.195     perry     201: 20090501:
                    202:        Several new functions were added to string.h/libc, and this
                    203:        can cause autoconf problems during the tool build for people
1.241     wiz       204:        who fail to clean out their tools objects properly.  If you
1.195     perry     205:        note messages about stpcpy, stpncpy or strnlen accompanying a
                    206:        failure during the tool build, clean out all your tools
                    207:        objects and start again.
                    208:
1.194     mrg       209: 20090325:
                    210:        The i386 port was switched to i486 default toolchain.  This requires
                    211:        cleaning your src/tools directory and $TOOLDIR and rebuilding them.
                    212:
1.192     skrll     213: 20090126:
1.241     wiz       214:        The __posix_fadvise50 system call changed assembly stub type.  You
1.207     mbalmer   215:        need to 'rm -f __posix_fadvise50.*' in the libc build directory
                    216:        to avoid using the old assembly stub.
1.192     skrll     217:
1.191     joerg     218: 20090202:
                    219:        pkg_install now depends on the pkgdb cache for automatic conflict
                    220:        detection.  It is recommented to rebuild the cache with
                    221:        ``pkg_admin rebuild''.
                    222:
1.184     christos  223: 20090110:
1.241     wiz       224:        time_t and dev_t have been bumped to 64 bit quantities.  To upgrade:
                    225:        1. Make sure your kernel has COMPAT_50 in it.  Build and install.
1.188     christos  226:           This is needed even in the MODULAR kernel because there is
                    227:           conditionally compiled code in rtsock.c.
1.184     christos  228:        2. make sure build.sh completes and the binaries in a chroot work
                    229:           before installing.
                    230:        3. If you don't use build.sh and you build directly to root, and
1.241     wiz       231:           your build breaks in the middle, don't despair.  Make sure headers
1.184     christos  232:           are installed properly, and start building libraries first libc
                    233:           and libutil, install them and then continue building all the
1.241     wiz       234:           libraries in src/lib and src/gnu/lib and install them.  Once
1.184     christos  235:           the new libraries are installed, you can restart the build.
                    236:        4. If you compile packages and you notice link time warnings,
1.189     hubertf   237:           rebuild the required packages to update their shared libraries.
                    238:           Any package you rebuild will require rebuilding all the packages
                    239:           that depend on it.
1.186     christos  240:        5. Next time you run pwd_mkdb with the new binary, the file
                    241:           will be upgraded and it will not be backwards compatible.
1.190     apb       242:        6. The utmpx/wtmpx files (/var/run/utmpx and /var/log/wtmpx, see
                    243:           lastlogx(5)) have been versioned, and there is a heuristic
1.241     wiz       244:           for utmp.  You are better off removing the old files after
1.190     apb       245:           upgrading.  The automated clearing of /var/run during
                    246:           boot, and the automated rotating of files in /var/log by
                    247:           newsyslog(8), may mean that you do not have to remove the
                    248:           files manually.
                    249:        7. The optional accounting file (/var/account/acct, see
                    250:           accton(8)) has not been versioned, and will need to be
                    251:           removed.  The automatic rotation of the accounting file by
                    252:           /etc/daily limits the bad consequences of failure to remove
                    253:           the file.
1.196     dholland  254:        8. Application software that writes time_t to binary files on
1.241     wiz       255:           disk will break or need attention.  Most notably: if you are
1.196     dholland  256:           using PostgreSQL < 8.4, you need to dump your databases,
                    257:           rebuild PostgreSQL with the new time_t, then restore.
1.185     jmcneill  258:
1.183     pgoyette  259: 20081219:
                    260:        config(1) has been updated, and one of the files it creates -
                    261:        swapnetbsd.o - has changed format.  You need to rebuild config
                    262:        (done automatically by build.sh) and then you need to rerun
                    263:        config on all kernel configuration files before rebuilding those
                    264:        kernels.
                    265:
1.181     cube      266: 20081205:
                    267:        If you build with MKX11=no, you should remove /etc/rc.d/xdm and
                    268:        /etc/rc.d/xfs from DESTDIR because those files were moved to the xetc
                    269:        set and will appear as extra files for MKX11=no update builds.
1.178     lukem     270:
1.179     tsutsui   271: 20081122:
1.182     tsutsui   272:        On i386, various kernel options(4) in GENERIC including
1.180     wiz       273:        file systems have been disabled and moved into kernel modules.
                    274:        Before trying a new GENERIC kernel, you have to prepare the
1.179     tsutsui   275:        following files as well as a new GENERIC kernel:
                    276:
                    277:        - build and install kernel modules from src/sys/modules
                    278:
                    279:        - install the latest bootloader, which will load a module
1.180     wiz       280:          for the file system from which the kernel is loaded automatically
1.179     tsutsui   281:
1.180     wiz       282:        If you have to load your kernel from a file system which is not of
                    283:        the same type as the root file system, you have to load the necessary
                    284:        file system module manually on the boot prompt or in the boot.cfg file.
1.179     tsutsui   285:
1.178     lukem     286: 20080827:
                    287:        If you built and installed a libc from sources between
                    288:        2008/08/20 and 2008/08/26 you got a broken strtouq(3)
                    289:        which results in false errors reported by lint(1).
                    290:        Since this breaks the libc build itself, manual help is
1.180     wiz       291:        needed -- lint must be disabled temporarily, e.g.:
1.178     lukem     292:          $ (cd lib/libc && make MKLINT=no dependall install)
                    293:
1.177     christos  294: 20080813:
                    295:        MKDEBUG build was broken because the .depend files did not know
1.241     wiz       296:        about .go files.  You need to remove all .depend files and rebuild.
1.177     christos  297:
1.200     dholland  298: 20080802:
                    299:        A regression in binary compatibility for pthread_mutex_t has
1.241     wiz       300:        been fixed.  Unfortunately, the price is breaking compatibility
1.200     dholland  301:        for -current.
                    302:
                    303:        Threaded programs (using libpthread) and C++ programs (using
                    304:        libstdc++) compiled after 20070907 and before 20080802 need to
                    305:        be recompiled.
                    306:
                    307:        One way to find affected pkgsrc packages:
                    308:
                    309:          $ grep REQUIRES=/usr/lib/libpthread /var/db/pkg/*/+BUILD_INFO
                    310:          $ grep REQUIRES=/usr/lib/libstdc++ /var/db/pkg/*/+BUILD_INFO
                    311:
1.175     simonb    312: 20080731:
                    313:        WAPBL (metadata journaling support) has been added, but at this
                    314:        time isn't backwards compatible with pre-WAPBL aware kernels
                    315:        and userland (fsck_ffs in particular).  Please make sure you
                    316:        don't use a journaled filesystem with an older kernel/userland,
1.176     simonb    317:        especially an uncleanly mounted journaled filesystem.  WAPBL
                    318:        also requires the super block to be in the UFS2 format.  You
                    319:        can use fsck_ffs -c 4 to update the superblock format.
1.175     simonb    320:
1.174     lukem     321: 20080721:
                    322:        Assembler warnings are now fatal if $WARNS>0 and $NOGCCERROR
                    323:        isn't defined.
                    324:
1.173     freza     325: 20080531:
1.241     wiz       326:        The ioctl number of DRVSUSPENDDEV command on /dev/drvctl changed
                    327:        from 125 (conflicted with DRVCTLCOMMAND) to 129.  The drvctl(8)
1.173     freza     328:        utility needs to be rebuilt and reinstalled as older binaries
1.241     wiz       329:        won't work correctly.  The following sequence of commands:
1.173     freza     330:
                    331:          $ (cd sys/sys/ && nbmake-$arch includes)
                    332:          $ (cd sbin/drvctl/ && nbmake-$arch clean)
                    333:          $ (cd sbin/drvctl/ && nbmake-$arch all)
                    334:
                    335:        leaves new drvctl utility in sbin/drvctl build directory.
                    336:
1.172     lukem     337: 20080503:
                    338:        The <bsd.lib.mk> variable MKPRIVATELIB was renamed to LIBISPRIVATE.
                    339:
1.171     he        340: 20080521:
                    341:        For a while, unprivileged UPDATE builds would fail to
                    342:        succeed at the checkflist stage, complaining that
                    343:        ${DESTDIR}/stand/<arch>/ did not exist.  A fix for this
                    344:        problem was committed to share/mk/bsd.kmodule.mk, revision 1.9.
                    345:        If you already hit this problem, update the .mk file,
                    346:        remove ${DESTDIR}/stand/<arch>, and re-run the build.
                    347:
1.174     lukem     348: 20080303:
                    349:        Linker warnings are now fatal if $WARNS>0.
                    350:
1.170     christos  351: 20080126:
                    352:        The posix_fadvise system call has been changed from an assembly
1.241     wiz       353:        stub, to a c file that calls an assembly stub.  You need to
1.170     christos  354:        'rm -f posix_fadvise.* .depend' in the libc build directory to
                    355:        avoid using the old assembly stub.
                    356:
1.168     joerg     357: 20071209:
1.241     wiz       358:        The acpiec(4) driver has been split into two attachments.  If you
1.168     joerg     359:        get ACPI errors before the attachment, please update your kernel
1.169     wiz       360:        configuration file appropriately or see GENERIC for more details.
1.168     joerg     361:
1.166     xtraeme   362: 20071115:
                    363:        The it(4) driver has been renamed to itesio(4) and the old port
                    364:        argument specified in the kernel configuration file is not valid
1.241     wiz       365:        anymore.  The itesio(4) driver now uses the Super I/O address port
                    366:        rather than the EC address port.  Please update your kernel
1.167     wiz       367:        configuration file appropriately or see GENERIC for more details.
1.166     xtraeme   368:
1.165     jmmv      369: 20071028:
                    370:        The pccons(4) driver has been removed from the NetBSD/shark port.
                    371:        You need to update any custom kernel configuration file you have
                    372:        to remove any references to pccons (which includes removing the
                    373:        now useless XSERVER option) and replace them with the correct
                    374:        entries for the wscons driver.  See the GENERIC configuration file
                    375:        for more details.
                    376:
1.164     gdt       377: 20070913:
                    378:        A latent bug in dhclient/dhcpd that caused it to be unable to
                    379:        enumerate interfaces was fixed.  The bug began to cause
                    380:        problems after 20070911 when the kernel's SIOCGIFCONF
                    381:        implementation was repaired.  From 20070529 to 20070911 racoon
                    382:        could not enumerate interfaces.  (These are noted because
                    383:        normal kernel/userspace version matching hygiene is not
                    384:        sufficient to avoid this problem.)  Ensure that both kernel
                    385:        and userland are from after 20070913.
                    386:
1.163     joerg     387: 20070703:
1.241     wiz       388:        nbinstall has been renamed ${MACHINE_GNU_ARCH}-install.  It
1.199     dholland  389:        calls the target-specific strip program, and the logic to pass
                    390:        down STRIP from make has been removed.  This requires a
                    391:        re-installation of tools.
1.163     joerg     392:
1.161     dsl       393: 20070422:
                    394:        The way OS emulations lookup filenames inside the emulation root
                    395:        has been changed.  Rather than modify the pathname (and copy back
                    396:        to userspace) namei() and lookup() directly check the emulation
1.241     wiz       397:        root.  One side effect is that absolute symlinks inside the emulated
1.167     wiz       398:        root file system will be relative to that file system - unless they
1.161     dsl       399:        start /../ this is useful when the emulated root is a real install
                    400:        that has such links.
                    401:        This might affect symlinks that have been added to reference outside
                    402:        the emulated root.
                    403:
1.160     jmcneill  404: 20070412:
1.241     wiz       405:        The pckbc driver on sgimips IP32 has been removed.  Use macekbc
                    406:        instead.  See the GENERIC32_IP3x kernel configuration for an
1.160     jmcneill  407:        example.
                    408:
1.159     gdt       409: 20070319:
                    410:         src/lib/libc/Makefile revision 1.129 broke libc and ld.elf_so
                    411:         on many platforms due to incorrect flags settings.  If you
                    412:         updated and built after about 20070315, do "nbmake-$arch
                    413:        cleandir" in src/lib/libc and src/libexec/ld.elf_so to force a
                    414:        rebuild of object files that might have been built
                    415:        incorrectly, and ensure that you have at least
                    416:        src/lib/libc/Makefile 1.130.
                    417:
1.241     wiz       418: 20070210:
1.158     dbj       419:         src/sys/sys/{sa.h,savar.h} were removed.
                    420:           find ${OBJDIR} \( -name .depend -o -name '*.d' \) -print \
                    421:               | xargs egrep -l '/sa.h|/savar.h' | xargs rm
                    422:         will allow dependencies on those files to get get rebuilt
                    423:
1.157     apb       424: 20070209:
                    425:         The threading model was changed when the newlock2 branch
                    426:         was merged to NetBSD-current.  If you boot with a new
                    427:         kernel (version 4.99.10), then you also need a new pthread
                    428:         library (/usr/lib/libpthread.so.0.7).  If you boot with
                    429:         an old kernel, then you need the old pthread library
                    430:         (/usr/lib/libpthread.so.0.6).  Provided you keep the kernel and
                    431:         the pthread library in sync, old threaded applications should
                    432:         continue to work with an old or new kernel.  Note that named(8)
                    433:        is the only threaded application in the base system.
                    434:
1.154     he        435: 20061214:
                    436:        Following the move of string_to_flags() and flags_to_string()
                    437:        from the bin/ls/ sources to libutil, users doing UPDATE builds
                    438:        will need to do a "make cleandir" in
                    439:                tools/mtree/, tools/makefs/, tools/binstall/, tools/pax/,
                    440:                bin/pax/, bin/ls/, usr.sbin/mtree/, usr.sbin/makefs/,
1.156     he        441:                usr.bin/xinstall/, libexec/ftpd/, rescue/, as well
                    442:                as the installation images in distrib/
1.154     he        443:        in order to excise stale references to the old stat_flags.h header
                    444:        file in the ls sources -- stat_flags.h has been removed.
                    445:
1.152     christos  446: 20061108:
                    447:        The configure script used in the src/tools/gcc compiler has been
                    448:        changed to indicate that our libc has ssp support built-in and
1.241     wiz       449:        does not depend on -lssp and -lssp-nonshared.  You'll need to
1.152     christos  450:        make clean in src/tools/gcc first to rebuild the compiler.
                    451:
1.151     rpaulo    452: 20061009:
                    453:        The sysctl variables net.inet{,6}.tcp{,6}.newreno are no longer
1.241     wiz       454:        available.  Use net.inet{,6}.tcp{,6}.congctl.selected instead.
1.151     rpaulo    455:
1.150     bjh21     456: 20060814:
                    457:        The vt, vidcconsole, kbd, and rpckbd drivers on acorn32 have been
                    458:        withdrawn.  Use vidcvideo and pckbd instead.  See the GENERIC
                    459:        kernel configuration for an example.  X servers from the last
                    460:        few years should cope.
                    461:
1.149     christos  462: 20060703:
1.241     wiz       463:        MPACPI is no more.  We always configure PCI interrupts using ACPI
                    464:        if we have an ACPI kernel.  The option MPACPI_SCANPCI has been renamed
                    465:        to ACPI_SCANPCI.  Thanks to work from fvdl.
1.149     christos  466:
1.148     dogcow    467: 20060627:
                    468:        socket(2) has changed, and its system call has been versioned.
                    469:        For userlands with the old version of socket(2), make sure that
                    470:        your kernel has 'options COMPAT_30' set, or else 'bad system call'
                    471:        errors will result.
                    472:
1.1       abs       473: Hints for a more successful build:
                    474: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
1.123     jmc       475:     Use build.sh, but do not use its "expert mode":
1.132     jmmv      476:        This will automatically build the tools in the
1.123     jmc       477:           correct order, and it will keep the tools and the
                    478:           new build products from interfering with the running
                    479:           system.  This will allow you to ignore most of the
                    480:           other advice in this file.
1.2       mrg       481:     Build a new kernel first:
                    482:        This makes sure that any new system calls or features
                    483:           expected by the new userland will be present.  This
                    484:           helps to avoid critical errors when upgrading.
1.1       abs       485:     Use object directories:
                    486:        This helps to keep stale object
                    487:           files from polluting the build if a Makefile "forgets"
                    488:           about one.  It also makes it easier to clean up after
                    489:           a build.  It's also necessary if you want to use the
                    490:           same source tree for multiple machines.
1.123     jmc       491:           To use object directories with build.sh:
                    492:            a) invoke build.sh with the "-M" or "-O" options.
                    493:           To use object directories without using build.sh:
1.1       abs       494:            a) cd /usr/src ; make cleandir
1.2       mrg       495:            b) Add "OBJMACHINE=yes" to /etc/mk.conf
                    496:            c) Add "MKOBJDIRS=yes" to /etc/mk.conf
1.1       abs       497:            d) cd /usr/src ; make build
1.2       mrg       498:           Note that running "make obj" in a directory will create
                    499:           in obj.$MACHINE directory.
1.1       abs       500:     Build to a DESTDIR:
1.123     jmc       501:        This helps to keep old installed files (especially libraries)
                    502:           from interfering with the new build.
                    503:           To build to a DESTDIR with build.sh, use the "-D" option.
                    504:           To build to a DESTDIR without using build.sh, set the DESTDIR
                    505:           environment variable before running make build.  It should be
                    506:           set to the pathname of an initially empty directory.
                    507:           Problems: if you do not use build.sh, you might need to
                    508:                update critical utilities without using DESTDIR since
                    509:                nothing is executed from what is installed in DESTDIR.
                    510:                (See critical utils, below.)
1.1       abs       511:     Build often:
                    512:        This keeps critical utilities current enough to not choke
                    513:        on any other part of the source tree that depends on up to
1.123     jmc       514:        date functionality.  If you use build.sh, you should not have
                    515:        this problem.
1.241     wiz       516:
1.1       abs       517: What to do if things don't work:
                    518: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
1.230     tls       519: When things don't work there are usually a few things that commonly
1.1       abs       520: should be done.
                    521:     1) make includes
                    522:        This should be done automatically by make build.
                    523:     2)  cd share/mk && make install
                    524:        Again, automatically done by make build.
                    525:
                    526: Failsafe rebuild of a small part of the tree:
                    527: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                    528: To make sure you rebuild something correctly you want to do
                    529: something like the following:
                    530:     1)  Make sure the includes and .mk files are up to date.
                    531:     2)  Make sure any program used to build the particular
                    532:        utility is up to date.  (yacc, lex, etc...)
                    533:     3)  cd ...path/to/util...
                    534:        make cleandir
                    535:        rm ...all obj directories...
                    536:        make cleandir                   # yes, again
                    537:        make obj
                    538:        make depend && make
                    539:
                    540: Failsafe rebuild of the entire tree:
                    541: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                    542: If you really want to make sure the source tree is clean and
1.2       mrg       543: ready for a build try the following.  Note that sourcing /etc/mk.conf
                    544: (a make(1) Makefile) in this manner is not right, and will not work
                    545: for anyone who uses any make(1) features in /etc/mk.conf.
1.1       abs       546:
                    547: ---cut here---
                    548: #!/bin/sh
                    549: . /etc/mk.conf
                    550:
1.58      lukem     551: if [ -z $NETBSDSRCDIR ] ; then
                    552:     NETBSDSRCDIR=/usr/src
1.1       abs       553: fi
1.58      lukem     554: if [ \! -d $NETBSDSRCDIR ] ; then
1.1       abs       555:     echo Unable to find sources
                    556:     exit 1
                    557: fi
1.58      lukem     558: find $NETBSDSRCDIR -name \*.o -o -name obj.\* -o -name obj -exec rm \{\} \;
1.1       abs       559:
                    560: if [ -z $BSDOBJDIR ] ; then
                    561:     BSDOBJDIR=/usr/obj
                    562: fi
                    563: if [ -d $BSDOBJDIR ] ; then
                    564:     rm -rf $BSDOBJDIR
                    565: fi
                    566:
1.58      lukem     567: cd $NETBSDSRCDIR && make cleandir
1.1       abs       568:
                    569: ---cut here---
                    570:
                    571: Critical utilities:
                    572: ^^^^^^^^^^^^^^^^^^^
1.3       itojun    573:        usr.bin/compile_et
1.1       abs       574:        usr.bin/make
                    575:        usr.bin/yacc
                    576:        usr.bin/lex
1.11      lukem     577:        usr.bin/xlint
1.142     drochner  578:        usr.bin/config
1.1       abs       579:
1.34      simonb    580: Other problems and possible solutions:
1.1       abs       581: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                    582: Symptom:Complaints involving a Makefile.
1.17      erh       583: Fix:   Rebuild usr.bin/make:
                    584:        cd usr.bin/make && make && make install
1.111     simonb    585:        Or, a failsafe method if that doesn't work:
1.17      erh       586:        cd usr.bin/make && cc *.c */*.c -I . -o make && mv make /usr/bin
                    587:
1.1       abs       588: Fix:   Make sure .mk files are up to date.
                    589:        cd share/mk && make install
1.2       mrg       590:
                    591: Symptom:Kernel `config' fails to configure any kernel, including GENERIC.
1.142     drochner  592: Fix:   Rebuild usr.bin/config
1.1       abs       593:
                    594: Symptom:
                    595: Fix:   Rebuild usr.bin/yacc
                    596:
                    597: Symptom:
                    598: Fix:   Rebuild usr.bin/lex
                    599:
                    600: Symptom:
                    601: Fix:   rm /usr/lib/libbfd.a
1.4       itojun    602:
                    603: Symptom:Obsolete intermediate files are used during compilation
                    604: Fix:   Try the following sequence of commands in the directory in question.
                    605:        make cleandir; rm `make print-objdir`; make cleandir; make obj
                    606:        (If you built the tree without "make obj" in the past, obsolete files
                    607:        may remain.  The command tries to clean everything up)
1.5       wiz       608:
1.207     mbalmer   609: Symptom:.../sysinst/run.c:xx: warning: initialization from incompatible
                    610:        pointer type
1.5       wiz       611: Fix:   Rebuild and install usr.bin/menuc
1.12      itojun    612:
                    613: Symptom:mklocale not found during build in share/locale/ctype
                    614: Fix:   Build and install usr.bin/mklocale
1.13      dogcow    615:
1.86      kleink    616: Symptom:undefined reference to `__assert13' or `__unsetenv13'
1.13      dogcow    617: Fix:    Rebuild and install lib/libc
                    618:
1.142     drochner  619: Symptom:usr.bin/config fails to build.
1.19      cgd       620: Fix:   Try building with -DMAKE_BOOTSTRAP added to CFLAGS in Makefile.
1.13      dogcow    621:
1.19      cgd       622: Symptom:undefined reference to `getprogname' or `setprogname'
                    623: Fix:    Rebuild and install lib/libc
1.24      abs       624:
                    625: Symptom:lint does not understand the '-X' option
                    626: Fix:    May need to build & install libs with NOLINT=1 before rebuilding lint
1.223     joerg     627:
                    628: Symptom:Update build fails in src/tools/gcc complaining that a variable
                    629:        (e.g. CPPFLAGS) has changed since the previous run.
                    630: Fix:    Run "nbmake-${ARCH} clean" in src/tools/gcc or do a clean build.

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