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Annotation of src/UPDATING, Revision 1.278

1.278   ! kre         1: $NetBSD: UPDATING,v 1.277 2017/01/05 05:40:46 martin 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:
1.257     apb        14: Sections are marked with "^^^^^".  After the section on "Recent changes"
                     15: are several sections containing more general information.
                     16:
1.123     jmc        17: See also: BUILDING, build.sh, Makefile.
1.1       abs        18:
                     19: Recent changes:
                     20: ^^^^^^^^^^^^^^^
1.230     tls        21:
1.278   ! kre        22: 20170107:
        !            23:        various arch dependent libc/exect.S files were removed
        !            24:        Either remove the obj directory (lib/libc) or do a
        !            25:        clean build.   (This is a bug in the make system, it should
        !            26:        be corrected without human intervention, but isn't.)
        !            27:
1.277     martin     28: 20170104:
                     29:        xinput build options have changed.
                     30:        Remove the obj directory (external/mit/xorg/bin/xinput)
                     31:        if you build.sh -u
                     32:
1.276     martin     33: 20170103:
                     34:        a new version of flex has been imported.
                     35:        Remove the file from obj (external/bsd/flex)
                     36:        if you build.sh -u
                     37:
1.275     spz        38: 20161014:
                     39:        a new version of OpenSSL has been imported.
                     40:        Remove the files from obj (crypto/external/bsd/openssl)
                     41:        if you build.sh -u
                     42:
1.274     martin     43: 20161009:
                     44:        a new version of dhcpcd has been imported with slightly changed
                     45:        build infrastructure. When doing a build.sh -u this requires
                     46:        pruning the external/bsd/dhcpcd objdir.
                     47:
1.273     mrg        48: 20160914:
                     49:        i386, amd64, shark, ofppc and macppc have joined shark and x68k
                     50:        ports in using xorg-server 1.18. This requires a clean destdir
                     51:        and a clean objdir.
                     52:
1.272     dholland   53: 20160527:
                     54:        i386 needs a full cleandir or objdir deletion because PIE has
                     55:        been enabled. (see the amd64 entry two down for further info)
                     56:
1.270     christos   57: 20160418:
                     58:        libedit needs manual removal of all autogenerated files since
1.271     christos   59:        some of them are not autogenerated anymore. Remember that there
                     60:        might be two copies of libedit if your platform builds "compat".
1.270     christos   61:
1.268     riastrad   62: 20160410:
                     63:        amd64 needs full "make cleandir" or deletion of objdir now that
                     64:        PIE has been enabled for amd64.  PIE, or position-independent
                     65:        executables, means all code, including executables and not just
                     66:        shared libraries, is position-independent and hence able to be
                     67:        relocated by ASLR, address space layout randomization.
                     68:
                     69:        The change was made in Makefile variables for compiler and
                     70:        linker flags, for which make(1) does not record dependencies,
                     71:        hence it is unable to detect that all .o files need rebuilding.
                     72:
                     73:        Partial rebuilds with some modified source files will likely
                     74:        fail when linking executables, since the linker refuses to mix
                     75:        position-independent code with position-dependent code in
                     76:        position-independent executables:
                     77:
                     78:                .../x86_64--netbsd/bin/ld: foo.o: relocation R_X86_64_32 against `...' cannot be used when making a shared object; recompile with -fPIC
                     79:
1.267     mrg        80: 20160401:
                     81:        Ports switching to GCC 5.3 will need a full "make cleandir".
1.269     dholland   82:        Some people have found that cleandir is not sufficient, so if
                     83:        in doubt delete the entire object directory tree for gcc.
1.267     mrg        84:
1.266     aymeric    85: 20160306:
1.265     aymeric    86:        NetBSD's regexp implementation is now part of libnbcompat.
                     87:        Nblex, nbm4, nbpax, nbsed use it and they may crash on
                     88:        non-NetBSD hosts if linked with stale object files produced
                     89:        while they included a non-NetBSD regex.h.
                     90:        In any case, you should "make cleandir" at least these tools
                     91:        before updating your toolchain.
                     92:
1.264     martin     93: 20160125:
                     94:        Dtrace has been enabled by default on some architectures.
                     95:        When doing an update build, make sure to clean the etc/mtree
                     96:        object directory before starting the build - otherwise the
                     97:        needed directories in destdir will not be created.
                     98:        An easy way to do this is:
                     99:           cd src/etc/mtree && $TOOLDIR/bin/nbmake-$arch cleandir
                    100:
1.263     dholland  101: 20150818:
                    102:        New acpica requires "make cleandir" in src/external/bsd/acpica
                    103:        again.
                    104:
1.262     christos  105: 20150413:
                    106:        New acpica requires "make cleandir" and reinstalling yacc
                    107:        in /usr/src/external/bsd/byacc and /usr/src/tools/yacc and
                    108:        also "make cleandir" in /usr/src/external/bsd/acpica.
                    109:
1.261     martin    110: 20150404:
                    111:        Lint changes require a full rebuild of the tool, so make
                    112:        sure to build without -u option to build.sh, or manually
                    113:        do a make cleandir in src/tools/lint1 and
                    114:        src/usr.bin/xlint.
                    115:
1.260     skrll     116: 20150310:
                    117:        Improvements to openssl for arm mean that update builds of
                    118:        the openssl libraries will fail. A make cleandir in
                    119:        external/bsd/openssl/lib is needed
                    120:
1.258     martin    121: 20141026:
1.259     msaitoh   122:        A mishap during the import of pppd may cause your corruption
1.258     martin    123:        in your cvs directory if you happened to do a cvs update
                    124:        during a short period of time. To fix, just remove the
                    125:        directory src/external/bsd/ppp/dist/pppd completely
                    126:        and let cvs restore it on next update.
                    127:
1.256     apb       128: 20140721:
                    129:        The src/external/mit/lua/src directory was accidentally created
                    130:        and then deleted in the CVS repository.  If you get errors like
                    131:
                    132:        cvs [update aborted]: cannot open directory
                    133:        /cvsroot/src/external/mit/lua/src: No such file or directory
                    134:
                    135:        then delete your local copy of that directory tree and try again.
                    136:
1.255     joerg     137: 20140530:
                    138:        ARM eABI switched to DWARF based exception handling. This requires
                    139:        rebuilding all C++ code. It is strongly advised to do a clean build.
                    140:
1.251     martin    141: 20140131:
1.253     joerg     142:        The new compiler_rt/libc integration moved a few things. It is strongly
1.254     skrll     143:        advised to do a clean build. At least lib/libc, the compat version(s)
1.253     joerg     144:        of libc, libkern, rump and the kernels need to be cleaned.
1.251     martin    145:
1.250     christos  146: 20131227:
                    147:        1. The new ntpd runs in a restricted mode to prevent amplification
                    148:           attacks. If you need ntpdc to work you need to explicitly enable
                    149:           mode7 in your config file. Make sure you put the necessary restrict
                    150:           statements to avoid being exposed.
                    151:        2. strncat has moved from lib/libc to common/lib/libc; you might need
                    152:           to make clean in libc
                    153:
1.249     mrg       154: 20131129:
                    155:        The GMP sources were updated, and builds will likely fail without
                    156:        cleaning their build trees for both tools and in-tree, like below.
                    157:
1.248     mrg       158: 20131128:
                    159:        The MPC and MPFR sources were updated, and builds may require their
                    160:        tools and in-tree directories cleaned for successful updates.
                    161:
1.246     martin    162: 20130605:
1.247     spz       163:        The kernel option FAST_IPSEC no longer exists, it's been renamed
                    164:        to IPSEC (and the older IPSEC version removed).
                    165:
                    166: 20130605:
1.246     martin    167:        Previous freetype installations eroneously installed private
                    168:        header files. If you are building against a non-empty $DESTDIR,
                    169:        please remove ${DESTDIR}//usr/X11R7/include/freetype2/freetype/.
                    170:
1.245     mrg       171: 20130531:
                    172:        The xdm update may cause build failure due to xdm.man being
                    173:        in the obj tree.  Make sure to ensure any like this:
                    174:                nbmake: nbmake: don't know how to make xdm.man. Stop
                    175:        is fixed by deleting the xdm.man in the obj tree.
                    176:
1.244     mrg       177: 20130530:
                    178:        Updates of many xsrc packages will leave old .pc files around.
                    179:        Best to clean out the xsrc objdir entirely before rebuilds.
                    180:
1.242     christos  181: 20130301:
                    182:        The removal of netiso requires manual removal of /usr/include/netiso
1.243     christos  183:        prior to the build and make cleandir in /usr/src/usr.bin/{ktruss,kdump}
1.242     christos  184:
1.238     dholland  185: 20120726:
1.241     wiz       186:        The update of OpenSSL requires cleaning both the OpenSSL build
                    187:        directory and DESTDIR.  *Even non-update builds require cleaning
1.240     dholland  188:        DESTDIR.* Builds done without taking these steps may fail, or in
1.241     wiz       189:        some cases may succeed and install broken OpenSSL libraries that
1.240     dholland  190:        cause third-party software to link incorrectly and/or crash.
1.238     dholland  191:
1.237     wiz       192: 20120507:
1.241     wiz       193:        The database schema for makemandb was changed.  You will
1.237     wiz       194:        need to update the database using 'makemandb -f' or wait
                    195:        for the next weekly run to fix it.
                    196:
1.236     bsh       197: 20120319:
                    198:        sys/conf/Makefile.kern.inc has been modified to adjust the
                    199:        size of db_symtab automatically.  You need to update dbsym in
                    200:        your $TOOLDIR to build kernels with options SYMTAB_SPACE.  If
                    201:        you don't want this behavior, add AUTO_SYMTAB_SPACE=no to your
                    202:        mk.conf.
                    203:
1.235     joerg     204: 20120216:
1.241     wiz       205:        Default for MKCATPAGES changed to NO.  Update builds will fail
                    206:        unless DESTDIR is cleaned manually.  If you built between 20120207
1.239     dholland  207:        and 20120216, daily and weekly could have created an unreadable
1.241     wiz       208:        /var/db/man.db index for apropos.  Running makemandb -f or
1.235     joerg     209:        the next run of weekly will fix it.
1.233     joerg     210:
1.232     christos  211: 20111227:
                    212:        If you built between 20111225 and 20111227 you need to remove
                    213:        /usr/lib/libpam.so.4* and /usr/lib/security/*.so.4, since the
                    214:        bump has been reverted.
                    215:
1.231     tls       216: 20111125:
                    217:        The "rnd" pseudodevice has been added to sys/conf/std, which
                    218:        means it should no longer be explicitly listed in kernel
                    219:        configuration files.  The line "pseudo-device rnd" should be
                    220:        removed from any custom kernel config files users may have.
                    221:
1.230     tls       222: 20111119:
                    223:        A problem with the datastructures used by the rndctl(8)
                    224:        utility (pointers in datastructures in an array, making 32->64
                    225:        bit compatibility very painful) has been fixed in a
                    226:        non-backwards-compatible way.  If you replace your kernel,
                    227:        replace your rndctl executable too.
1.241     wiz       228:
1.229     jym       229: 20111001:
                    230:        the prop_*_send_syscall() functions from proplib(3) have been
                    231:        changed and their new version is not backward compatible with the old
1.241     wiz       232:        one.  So ensure that all consumers of these functions (currently:
1.229     jym       233:        quota2 code and its tests) are updated together with the new lib.
                    234:
1.228     mrg       235: 20110817:
                    236:        sparc has been changed to use GCC 4.5.3, so any objdir or
                    237:        DESTDIR for them should be deleted before updating.
                    238:
1.227     riastrad  239: 20110806:
                    240:        i386 and amd64 have been changed to use GCC 4.5.3, so any
                    241:        objdir or DESTDIR for them should be deleted before updating.
                    242:
1.226     mrg       243: 20110805:
                    244:        The update to GCC 4.5.3 requires a non-trivial portion of
                    245:        the tree to be cleaned.  Best to delete both objdir and
                    246:        DESTDIR before running this update.  So far, only the
                    247:        sparc64, mips and powerpc platforms have changed.
                    248:
1.225     matt      249: 20110803:
1.241     wiz       250:        The layout of external/public-domain/xz has changed.  To do an
1.225     matt      251:        update build you will have to remove the contents of the OBJDIR
                    252:        for external/public-domain/xz/bin by hand as the xz entry there
                    253:        is now a directory.
                    254:
1.223     joerg     255: 20110410:
1.241     wiz       256:        The configuration of src/tools/gcc has changed.  To do an
1.224     dholland  257:        update build you have to clean both tools/binutils and
                    258:        tools/gcc by hand.
1.223     joerg     259:
1.222     plunky    260: 20110328:
                    261:        Building the Xorg binary was moved into a subdirectory to fix
1.241     wiz       262:        ordering issues with "make all".  It may be necessary to remove
1.222     plunky    263:        the OBJDIR for external/mit/xorg/server/xorg-server/hw/xfree86
                    264:        if your update build fails, as the "Xorg" entry there is now a
                    265:        directory.
                    266:
1.220     joerg     267: 20110121:
1.221     lukem     268:        Assembler files no longer use -traditional-cpp.  This can break
1.220     joerg     269:        the build of individual parts of the tree.  This is handled
                    270:        correctly by build.sh.  Manual builds have to update /usr/share/mk
                    271:        and re-run config(1) for any kernel configurations as needed.
1.218     joerg     272:
1.217     jruoho    273: 20101217:
                    274:        The tcpdump(8) program was changed to drop privileges and chroot(2)
1.241     wiz       275:        by default.  It may be necessary to manually update passwd(5) and
1.217     jruoho    276:        group(5) in order to make the program work with existing setups.
                    277:
1.216     christos  278: 20101125:
                    279:        The latest changes to setenv(3) dissallow setting environment
1.241     wiz       280:        variables with names that contain '='.  Revision 1.18 of env.c
                    281:        assumed that this was allowed.  Installing a new libc with an
1.216     christos  282:        old copy of /usr/bin/env causes env x=1 printenv | grep x= to
                    283:        break which affects the autoconf tests for dependency finding,
                    284:        so building gcc will end up printing:
                    285:            checking dependency style of gcc... none
                    286:            configure: error: no usable dependency style found
                    287:        Fix it by rebuilding and re-installing env.
1.138     lukem     288:
1.215     mrg       289: 20101119:
                    290:        Recent Xorg updates in xsrc/external/mit/ may cause various build
                    291:        or run-time problems.  Delete your entire DESTDIR and OBJDIR if you
                    292:        have any build problems with xsrc, or problems with mismatched
                    293:        versions between xorg-server and drivers.
                    294:
1.213     jmmv      295: 20100604:
                    296:        The update of ATF to 0.9 causes old tests written in shell to fail
                    297:        unless they are rebuilt.  If you are building with MKUPDATE=yes,
                    298:        you need to clean the src/external/bsd/atf/tests/ and the src/tests/
                    299:        trees by hand.
                    300:
1.211     tnozaki   301: 20100522:
1.212     mrg       302:        Recent Xorg updates in xsrc/external/mit/ will cause various build
                    303:        problems.  Delete your entire DESTDIR and OBJDIR if you have any
                    304:        build problems with xsrc.
                    305:
                    306: 20100522:
1.211     tnozaki   307:        private section of <ctype.h> was splitted, and now mklocale(1)
1.214     dholland  308:        include ctype_local.h, so you have to make cleandir in tools/mklocale.
1.211     tnozaki   309:
1.210     christos  310: 20100520:
1.241     wiz       311:        The location of the xkb compiled descriptions has changed.  Please
1.210     christos  312:        remove usr/X11R7/lib/X11/xkb/compiled from your $DESTDIR.
                    313:
1.209     njoly     314: 20100222:
                    315:        The shared objects file extension has been changed from .so to
                    316:        .pico, in order to avoid conflicts with shared libraries names
                    317:        libXX.so.  All now stale regular .so files can be removed from
                    318:        your object directories.
                    319:
1.208     roy       320: 20100204:
                    321:        The termcap database has been removed from the sources,
                    322:        but has not been marked obsolete so it is not removed
                    323:        from the system when upgrading.
                    324:        As such, you will need to remove them from your object
                    325:        and destination directories.
                    326:
1.203     dyoung    327: 20091101:
1.205     dholland  328:         After updating, it may be necessary to make the 'cleandir'
                    329:         target in src/tools/yacc/ and in src/usr.bin/yacc/ before a
                    330:         'build.sh -u tools' or 'build.sh -u distribution'.  Ditto
                    331:         src/tools/lex/ and src/usr.bin/lex/.
1.203     dyoung    332:
1.202     mrg       333: 20091001:
1.206     dholland  334:        On amd64 you must rebuild tools (to get the new binutils)
                    335:        before building a kernel, or the build fails on cpufunc.S.
                    336:
                    337: 20091001:
1.202     mrg       338:        An error will create a ./usr/X11R7/lib/X11/xkb/compiled/xkb
                    339:        symlink, failing the build.  Delete the link, and the subdir
                    340:        it is in, and retry your build.
                    341:
1.201     dsl       342: 20090718:
                    343:        libc build changed so that strchr() provides the extra entry
1.241     wiz       344:        point for index().  Update build of libc.a (and libc_pic.a)
1.201     dsl       345:        may fail because the archive contains the unwanted index.o.
                    346:        (Similarly for strrchr() and rindex().)
                    347:
1.198     mrg       348: 20090709:
                    349:        Native Xorg was upgraded again.  Builds will probably fail again
                    350:        without a clean objdir, at least for src/external/mit/xorg.
                    351:
1.197     mrg       352: 20090616:
                    353:        Native Xorg was upgraded.  Builds will need a clean objdir for
                    354:        src/external/mit/xorg.  Upgrading a system from sets will not
                    355:        work properly yet as the /usr/X11R7/lib/X11/xkb/symbols/pc
                    356:        subdirectory has been changed into a file, and this needs to
                    357:        be manually "rm -r"'ed before installing xbase.tgz.
                    358:
1.195     perry     359: 20090501:
                    360:        Several new functions were added to string.h/libc, and this
                    361:        can cause autoconf problems during the tool build for people
1.241     wiz       362:        who fail to clean out their tools objects properly.  If you
1.195     perry     363:        note messages about stpcpy, stpncpy or strnlen accompanying a
                    364:        failure during the tool build, clean out all your tools
                    365:        objects and start again.
                    366:
1.194     mrg       367: 20090325:
                    368:        The i386 port was switched to i486 default toolchain.  This requires
                    369:        cleaning your src/tools directory and $TOOLDIR and rebuilding them.
                    370:
1.192     skrll     371: 20090126:
1.241     wiz       372:        The __posix_fadvise50 system call changed assembly stub type.  You
1.207     mbalmer   373:        need to 'rm -f __posix_fadvise50.*' in the libc build directory
                    374:        to avoid using the old assembly stub.
1.192     skrll     375:
1.191     joerg     376: 20090202:
                    377:        pkg_install now depends on the pkgdb cache for automatic conflict
                    378:        detection.  It is recommented to rebuild the cache with
                    379:        ``pkg_admin rebuild''.
                    380:
1.184     christos  381: 20090110:
1.241     wiz       382:        time_t and dev_t have been bumped to 64 bit quantities.  To upgrade:
                    383:        1. Make sure your kernel has COMPAT_50 in it.  Build and install.
1.188     christos  384:           This is needed even in the MODULAR kernel because there is
                    385:           conditionally compiled code in rtsock.c.
1.184     christos  386:        2. make sure build.sh completes and the binaries in a chroot work
                    387:           before installing.
                    388:        3. If you don't use build.sh and you build directly to root, and
1.241     wiz       389:           your build breaks in the middle, don't despair.  Make sure headers
1.184     christos  390:           are installed properly, and start building libraries first libc
                    391:           and libutil, install them and then continue building all the
1.241     wiz       392:           libraries in src/lib and src/gnu/lib and install them.  Once
1.184     christos  393:           the new libraries are installed, you can restart the build.
                    394:        4. If you compile packages and you notice link time warnings,
1.189     hubertf   395:           rebuild the required packages to update their shared libraries.
                    396:           Any package you rebuild will require rebuilding all the packages
                    397:           that depend on it.
1.186     christos  398:        5. Next time you run pwd_mkdb with the new binary, the file
                    399:           will be upgraded and it will not be backwards compatible.
1.190     apb       400:        6. The utmpx/wtmpx files (/var/run/utmpx and /var/log/wtmpx, see
                    401:           lastlogx(5)) have been versioned, and there is a heuristic
1.241     wiz       402:           for utmp.  You are better off removing the old files after
1.190     apb       403:           upgrading.  The automated clearing of /var/run during
                    404:           boot, and the automated rotating of files in /var/log by
                    405:           newsyslog(8), may mean that you do not have to remove the
                    406:           files manually.
                    407:        7. The optional accounting file (/var/account/acct, see
                    408:           accton(8)) has not been versioned, and will need to be
                    409:           removed.  The automatic rotation of the accounting file by
                    410:           /etc/daily limits the bad consequences of failure to remove
                    411:           the file.
1.196     dholland  412:        8. Application software that writes time_t to binary files on
1.241     wiz       413:           disk will break or need attention.  Most notably: if you are
1.196     dholland  414:           using PostgreSQL < 8.4, you need to dump your databases,
                    415:           rebuild PostgreSQL with the new time_t, then restore.
1.185     jmcneill  416:
1.183     pgoyette  417: 20081219:
                    418:        config(1) has been updated, and one of the files it creates -
                    419:        swapnetbsd.o - has changed format.  You need to rebuild config
                    420:        (done automatically by build.sh) and then you need to rerun
                    421:        config on all kernel configuration files before rebuilding those
                    422:        kernels.
                    423:
1.181     cube      424: 20081205:
                    425:        If you build with MKX11=no, you should remove /etc/rc.d/xdm and
                    426:        /etc/rc.d/xfs from DESTDIR because those files were moved to the xetc
                    427:        set and will appear as extra files for MKX11=no update builds.
1.178     lukem     428:
1.179     tsutsui   429: 20081122:
1.182     tsutsui   430:        On i386, various kernel options(4) in GENERIC including
1.180     wiz       431:        file systems have been disabled and moved into kernel modules.
                    432:        Before trying a new GENERIC kernel, you have to prepare the
1.179     tsutsui   433:        following files as well as a new GENERIC kernel:
                    434:
                    435:        - build and install kernel modules from src/sys/modules
                    436:
                    437:        - install the latest bootloader, which will load a module
1.180     wiz       438:          for the file system from which the kernel is loaded automatically
1.179     tsutsui   439:
1.180     wiz       440:        If you have to load your kernel from a file system which is not of
                    441:        the same type as the root file system, you have to load the necessary
                    442:        file system module manually on the boot prompt or in the boot.cfg file.
1.179     tsutsui   443:
1.178     lukem     444: 20080827:
                    445:        If you built and installed a libc from sources between
                    446:        2008/08/20 and 2008/08/26 you got a broken strtouq(3)
                    447:        which results in false errors reported by lint(1).
                    448:        Since this breaks the libc build itself, manual help is
1.180     wiz       449:        needed -- lint must be disabled temporarily, e.g.:
1.178     lukem     450:          $ (cd lib/libc && make MKLINT=no dependall install)
                    451:
1.177     christos  452: 20080813:
                    453:        MKDEBUG build was broken because the .depend files did not know
1.241     wiz       454:        about .go files.  You need to remove all .depend files and rebuild.
1.177     christos  455:
1.200     dholland  456: 20080802:
                    457:        A regression in binary compatibility for pthread_mutex_t has
1.241     wiz       458:        been fixed.  Unfortunately, the price is breaking compatibility
1.200     dholland  459:        for -current.
                    460:
                    461:        Threaded programs (using libpthread) and C++ programs (using
                    462:        libstdc++) compiled after 20070907 and before 20080802 need to
                    463:        be recompiled.
                    464:
                    465:        One way to find affected pkgsrc packages:
                    466:
                    467:          $ grep REQUIRES=/usr/lib/libpthread /var/db/pkg/*/+BUILD_INFO
                    468:          $ grep REQUIRES=/usr/lib/libstdc++ /var/db/pkg/*/+BUILD_INFO
                    469:
1.175     simonb    470: 20080731:
                    471:        WAPBL (metadata journaling support) has been added, but at this
                    472:        time isn't backwards compatible with pre-WAPBL aware kernels
                    473:        and userland (fsck_ffs in particular).  Please make sure you
                    474:        don't use a journaled filesystem with an older kernel/userland,
1.176     simonb    475:        especially an uncleanly mounted journaled filesystem.  WAPBL
                    476:        also requires the super block to be in the UFS2 format.  You
                    477:        can use fsck_ffs -c 4 to update the superblock format.
1.175     simonb    478:
1.174     lukem     479: 20080721:
                    480:        Assembler warnings are now fatal if $WARNS>0 and $NOGCCERROR
                    481:        isn't defined.
                    482:
1.173     freza     483: 20080531:
1.241     wiz       484:        The ioctl number of DRVSUSPENDDEV command on /dev/drvctl changed
                    485:        from 125 (conflicted with DRVCTLCOMMAND) to 129.  The drvctl(8)
1.173     freza     486:        utility needs to be rebuilt and reinstalled as older binaries
1.241     wiz       487:        won't work correctly.  The following sequence of commands:
1.173     freza     488:
                    489:          $ (cd sys/sys/ && nbmake-$arch includes)
                    490:          $ (cd sbin/drvctl/ && nbmake-$arch clean)
                    491:          $ (cd sbin/drvctl/ && nbmake-$arch all)
                    492:
                    493:        leaves new drvctl utility in sbin/drvctl build directory.
                    494:
1.172     lukem     495: 20080503:
                    496:        The <bsd.lib.mk> variable MKPRIVATELIB was renamed to LIBISPRIVATE.
                    497:
1.171     he        498: 20080521:
                    499:        For a while, unprivileged UPDATE builds would fail to
                    500:        succeed at the checkflist stage, complaining that
                    501:        ${DESTDIR}/stand/<arch>/ did not exist.  A fix for this
                    502:        problem was committed to share/mk/bsd.kmodule.mk, revision 1.9.
                    503:        If you already hit this problem, update the .mk file,
                    504:        remove ${DESTDIR}/stand/<arch>, and re-run the build.
                    505:
1.174     lukem     506: 20080303:
                    507:        Linker warnings are now fatal if $WARNS>0.
                    508:
1.170     christos  509: 20080126:
                    510:        The posix_fadvise system call has been changed from an assembly
1.241     wiz       511:        stub, to a c file that calls an assembly stub.  You need to
1.170     christos  512:        'rm -f posix_fadvise.* .depend' in the libc build directory to
                    513:        avoid using the old assembly stub.
                    514:
1.168     joerg     515: 20071209:
1.241     wiz       516:        The acpiec(4) driver has been split into two attachments.  If you
1.168     joerg     517:        get ACPI errors before the attachment, please update your kernel
1.169     wiz       518:        configuration file appropriately or see GENERIC for more details.
1.168     joerg     519:
1.166     xtraeme   520: 20071115:
                    521:        The it(4) driver has been renamed to itesio(4) and the old port
                    522:        argument specified in the kernel configuration file is not valid
1.241     wiz       523:        anymore.  The itesio(4) driver now uses the Super I/O address port
                    524:        rather than the EC address port.  Please update your kernel
1.167     wiz       525:        configuration file appropriately or see GENERIC for more details.
1.166     xtraeme   526:
1.165     jmmv      527: 20071028:
                    528:        The pccons(4) driver has been removed from the NetBSD/shark port.
                    529:        You need to update any custom kernel configuration file you have
                    530:        to remove any references to pccons (which includes removing the
                    531:        now useless XSERVER option) and replace them with the correct
                    532:        entries for the wscons driver.  See the GENERIC configuration file
                    533:        for more details.
                    534:
1.164     gdt       535: 20070913:
                    536:        A latent bug in dhclient/dhcpd that caused it to be unable to
                    537:        enumerate interfaces was fixed.  The bug began to cause
                    538:        problems after 20070911 when the kernel's SIOCGIFCONF
                    539:        implementation was repaired.  From 20070529 to 20070911 racoon
                    540:        could not enumerate interfaces.  (These are noted because
                    541:        normal kernel/userspace version matching hygiene is not
                    542:        sufficient to avoid this problem.)  Ensure that both kernel
                    543:        and userland are from after 20070913.
                    544:
1.163     joerg     545: 20070703:
1.241     wiz       546:        nbinstall has been renamed ${MACHINE_GNU_ARCH}-install.  It
1.199     dholland  547:        calls the target-specific strip program, and the logic to pass
                    548:        down STRIP from make has been removed.  This requires a
                    549:        re-installation of tools.
1.163     joerg     550:
1.161     dsl       551: 20070422:
                    552:        The way OS emulations lookup filenames inside the emulation root
                    553:        has been changed.  Rather than modify the pathname (and copy back
                    554:        to userspace) namei() and lookup() directly check the emulation
1.241     wiz       555:        root.  One side effect is that absolute symlinks inside the emulated
1.167     wiz       556:        root file system will be relative to that file system - unless they
1.161     dsl       557:        start /../ this is useful when the emulated root is a real install
                    558:        that has such links.
                    559:        This might affect symlinks that have been added to reference outside
                    560:        the emulated root.
                    561:
1.160     jmcneill  562: 20070412:
1.241     wiz       563:        The pckbc driver on sgimips IP32 has been removed.  Use macekbc
                    564:        instead.  See the GENERIC32_IP3x kernel configuration for an
1.160     jmcneill  565:        example.
                    566:
1.159     gdt       567: 20070319:
                    568:         src/lib/libc/Makefile revision 1.129 broke libc and ld.elf_so
                    569:         on many platforms due to incorrect flags settings.  If you
                    570:         updated and built after about 20070315, do "nbmake-$arch
                    571:        cleandir" in src/lib/libc and src/libexec/ld.elf_so to force a
                    572:        rebuild of object files that might have been built
                    573:        incorrectly, and ensure that you have at least
                    574:        src/lib/libc/Makefile 1.130.
                    575:
1.241     wiz       576: 20070210:
1.158     dbj       577:         src/sys/sys/{sa.h,savar.h} were removed.
                    578:           find ${OBJDIR} \( -name .depend -o -name '*.d' \) -print \
                    579:               | xargs egrep -l '/sa.h|/savar.h' | xargs rm
                    580:         will allow dependencies on those files to get get rebuilt
                    581:
1.157     apb       582: 20070209:
                    583:         The threading model was changed when the newlock2 branch
                    584:         was merged to NetBSD-current.  If you boot with a new
                    585:         kernel (version 4.99.10), then you also need a new pthread
                    586:         library (/usr/lib/libpthread.so.0.7).  If you boot with
                    587:         an old kernel, then you need the old pthread library
                    588:         (/usr/lib/libpthread.so.0.6).  Provided you keep the kernel and
                    589:         the pthread library in sync, old threaded applications should
                    590:         continue to work with an old or new kernel.  Note that named(8)
                    591:        is the only threaded application in the base system.
                    592:
1.154     he        593: 20061214:
                    594:        Following the move of string_to_flags() and flags_to_string()
                    595:        from the bin/ls/ sources to libutil, users doing UPDATE builds
                    596:        will need to do a "make cleandir" in
                    597:                tools/mtree/, tools/makefs/, tools/binstall/, tools/pax/,
                    598:                bin/pax/, bin/ls/, usr.sbin/mtree/, usr.sbin/makefs/,
1.156     he        599:                usr.bin/xinstall/, libexec/ftpd/, rescue/, as well
                    600:                as the installation images in distrib/
1.154     he        601:        in order to excise stale references to the old stat_flags.h header
                    602:        file in the ls sources -- stat_flags.h has been removed.
                    603:
1.152     christos  604: 20061108:
                    605:        The configure script used in the src/tools/gcc compiler has been
                    606:        changed to indicate that our libc has ssp support built-in and
1.241     wiz       607:        does not depend on -lssp and -lssp-nonshared.  You'll need to
1.152     christos  608:        make clean in src/tools/gcc first to rebuild the compiler.
                    609:
1.151     rpaulo    610: 20061009:
                    611:        The sysctl variables net.inet{,6}.tcp{,6}.newreno are no longer
1.241     wiz       612:        available.  Use net.inet{,6}.tcp{,6}.congctl.selected instead.
1.151     rpaulo    613:
1.150     bjh21     614: 20060814:
                    615:        The vt, vidcconsole, kbd, and rpckbd drivers on acorn32 have been
                    616:        withdrawn.  Use vidcvideo and pckbd instead.  See the GENERIC
                    617:        kernel configuration for an example.  X servers from the last
                    618:        few years should cope.
                    619:
1.149     christos  620: 20060703:
1.241     wiz       621:        MPACPI is no more.  We always configure PCI interrupts using ACPI
                    622:        if we have an ACPI kernel.  The option MPACPI_SCANPCI has been renamed
                    623:        to ACPI_SCANPCI.  Thanks to work from fvdl.
1.149     christos  624:
1.148     dogcow    625: 20060627:
                    626:        socket(2) has changed, and its system call has been versioned.
                    627:        For userlands with the old version of socket(2), make sure that
                    628:        your kernel has 'options COMPAT_30' set, or else 'bad system call'
                    629:        errors will result.
                    630:
1.1       abs       631: Hints for a more successful build:
                    632: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
1.123     jmc       633:     Use build.sh, but do not use its "expert mode":
1.132     jmmv      634:        This will automatically build the tools in the
1.123     jmc       635:           correct order, and it will keep the tools and the
                    636:           new build products from interfering with the running
                    637:           system.  This will allow you to ignore most of the
                    638:           other advice in this file.
1.2       mrg       639:     Build a new kernel first:
                    640:        This makes sure that any new system calls or features
                    641:           expected by the new userland will be present.  This
                    642:           helps to avoid critical errors when upgrading.
1.1       abs       643:     Use object directories:
                    644:        This helps to keep stale object
                    645:           files from polluting the build if a Makefile "forgets"
                    646:           about one.  It also makes it easier to clean up after
                    647:           a build.  It's also necessary if you want to use the
                    648:           same source tree for multiple machines.
1.123     jmc       649:           To use object directories with build.sh:
                    650:            a) invoke build.sh with the "-M" or "-O" options.
                    651:           To use object directories without using build.sh:
1.1       abs       652:            a) cd /usr/src ; make cleandir
1.2       mrg       653:            b) Add "OBJMACHINE=yes" to /etc/mk.conf
                    654:            c) Add "MKOBJDIRS=yes" to /etc/mk.conf
1.1       abs       655:            d) cd /usr/src ; make build
1.2       mrg       656:           Note that running "make obj" in a directory will create
                    657:           in obj.$MACHINE directory.
1.1       abs       658:     Build to a DESTDIR:
1.123     jmc       659:        This helps to keep old installed files (especially libraries)
                    660:           from interfering with the new build.
                    661:           To build to a DESTDIR with build.sh, use the "-D" option.
                    662:           To build to a DESTDIR without using build.sh, set the DESTDIR
                    663:           environment variable before running make build.  It should be
                    664:           set to the pathname of an initially empty directory.
                    665:           Problems: if you do not use build.sh, you might need to
                    666:                update critical utilities without using DESTDIR since
                    667:                nothing is executed from what is installed in DESTDIR.
                    668:                (See critical utils, below.)
1.1       abs       669:     Build often:
                    670:        This keeps critical utilities current enough to not choke
                    671:        on any other part of the source tree that depends on up to
1.123     jmc       672:        date functionality.  If you use build.sh, you should not have
                    673:        this problem.
1.241     wiz       674:
1.1       abs       675: What to do if things don't work:
                    676: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
1.230     tls       677: When things don't work there are usually a few things that commonly
1.1       abs       678: should be done.
                    679:     1) make includes
                    680:        This should be done automatically by make build.
                    681:     2)  cd share/mk && make install
                    682:        Again, automatically done by make build.
                    683:
                    684: Failsafe rebuild of a small part of the tree:
                    685: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                    686: To make sure you rebuild something correctly you want to do
                    687: something like the following:
                    688:     1)  Make sure the includes and .mk files are up to date.
                    689:     2)  Make sure any program used to build the particular
                    690:        utility is up to date.  (yacc, lex, etc...)
                    691:     3)  cd ...path/to/util...
                    692:        make cleandir
                    693:        rm ...all obj directories...
                    694:        make cleandir                   # yes, again
                    695:        make obj
                    696:        make depend && make
                    697:
                    698: Failsafe rebuild of the entire tree:
                    699: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                    700: If you really want to make sure the source tree is clean and
1.2       mrg       701: ready for a build try the following.  Note that sourcing /etc/mk.conf
                    702: (a make(1) Makefile) in this manner is not right, and will not work
                    703: for anyone who uses any make(1) features in /etc/mk.conf.
1.1       abs       704:
                    705: ---cut here---
                    706: #!/bin/sh
                    707: . /etc/mk.conf
                    708:
1.58      lukem     709: if [ -z $NETBSDSRCDIR ] ; then
                    710:     NETBSDSRCDIR=/usr/src
1.1       abs       711: fi
1.58      lukem     712: if [ \! -d $NETBSDSRCDIR ] ; then
1.1       abs       713:     echo Unable to find sources
                    714:     exit 1
                    715: fi
1.58      lukem     716: find $NETBSDSRCDIR -name \*.o -o -name obj.\* -o -name obj -exec rm \{\} \;
1.1       abs       717:
                    718: if [ -z $BSDOBJDIR ] ; then
                    719:     BSDOBJDIR=/usr/obj
                    720: fi
                    721: if [ -d $BSDOBJDIR ] ; then
                    722:     rm -rf $BSDOBJDIR
                    723: fi
                    724:
1.58      lukem     725: cd $NETBSDSRCDIR && make cleandir
1.1       abs       726:
                    727: ---cut here---
                    728:
                    729: Critical utilities:
                    730: ^^^^^^^^^^^^^^^^^^^
1.3       itojun    731:        usr.bin/compile_et
1.1       abs       732:        usr.bin/make
                    733:        usr.bin/yacc
                    734:        usr.bin/lex
1.11      lukem     735:        usr.bin/xlint
1.142     drochner  736:        usr.bin/config
1.1       abs       737:
1.34      simonb    738: Other problems and possible solutions:
1.1       abs       739: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                    740: Symptom:Complaints involving a Makefile.
1.17      erh       741: Fix:   Rebuild usr.bin/make:
                    742:        cd usr.bin/make && make && make install
1.111     simonb    743:        Or, a failsafe method if that doesn't work:
1.17      erh       744:        cd usr.bin/make && cc *.c */*.c -I . -o make && mv make /usr/bin
                    745:
1.1       abs       746: Fix:   Make sure .mk files are up to date.
                    747:        cd share/mk && make install
1.2       mrg       748:
                    749: Symptom:Kernel `config' fails to configure any kernel, including GENERIC.
1.142     drochner  750: Fix:   Rebuild usr.bin/config
1.1       abs       751:
                    752: Symptom:
                    753: Fix:   Rebuild usr.bin/yacc
                    754:
                    755: Symptom:
                    756: Fix:   Rebuild usr.bin/lex
                    757:
                    758: Symptom:
                    759: Fix:   rm /usr/lib/libbfd.a
1.4       itojun    760:
                    761: Symptom:Obsolete intermediate files are used during compilation
                    762: Fix:   Try the following sequence of commands in the directory in question.
                    763:        make cleandir; rm `make print-objdir`; make cleandir; make obj
                    764:        (If you built the tree without "make obj" in the past, obsolete files
                    765:        may remain.  The command tries to clean everything up)
1.5       wiz       766:
1.207     mbalmer   767: Symptom:.../sysinst/run.c:xx: warning: initialization from incompatible
                    768:        pointer type
1.5       wiz       769: Fix:   Rebuild and install usr.bin/menuc
1.12      itojun    770:
                    771: Symptom:mklocale not found during build in share/locale/ctype
                    772: Fix:   Build and install usr.bin/mklocale
1.13      dogcow    773:
1.86      kleink    774: Symptom:undefined reference to `__assert13' or `__unsetenv13'
1.13      dogcow    775: Fix:    Rebuild and install lib/libc
                    776:
1.142     drochner  777: Symptom:usr.bin/config fails to build.
1.19      cgd       778: Fix:   Try building with -DMAKE_BOOTSTRAP added to CFLAGS in Makefile.
1.13      dogcow    779:
1.19      cgd       780: Symptom:undefined reference to `getprogname' or `setprogname'
                    781: Fix:    Rebuild and install lib/libc
1.24      abs       782:
                    783: Symptom:lint does not understand the '-X' option
                    784: Fix:    May need to build & install libs with NOLINT=1 before rebuilding lint
1.223     joerg     785:
                    786: Symptom:Update build fails in src/tools/gcc complaining that a variable
                    787:        (e.g. CPPFLAGS) has changed since the previous run.
                    788: Fix:    Run "nbmake-${ARCH} clean" in src/tools/gcc or do a clean build.
1.257     apb       789:
                    790: Symptom:cvs [update aborted]: cannot open directory /cvsroot/src/...:
                    791:        No such file or directory.
                    792: Cause: If a directory is created by mistake, then it is sometimes
                    793:        deleted from the CVS repository using administrative commands
                    794:        that bypass the normal cvs access controls.  If your cvs working tree
                    795:        contains references to a directory that has been deleted on the
                    796:        server in this way, then "cvs update" reports this error.
                    797: Fix:   Recursively delete the affected directory from your working tree
                    798:        and try the update again.

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