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Annotation of src/UPDATING, Revision 1.281

1.281   ! roy         1: $NetBSD: UPDATING,v 1.280 2017/02/08 14:47:55 kre 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:
1.281   ! roy        22: 20170211:
        !            23:        a new terminfo database has been imported.
        !            24:        The structure of it has changed slightly from prior versions and
        !            25:        an updated tic tool is required.
        !            26:        If you build.sh, don't use -u
        !            27:
1.280     kre        28: 20170207:
1.278     kre        29:        various arch dependent libc/exect.S files were removed
1.279     kre        30:        Either remove the obj directories (lib/libc and compat/amd64/i386/lib
                     31:        if it exists) or do a clean build.
                     32:        (This is a bug in the make system, it should be corrected without
                     33:        human intervention, but isn't.)
1.278     kre        34:
1.277     martin     35: 20170104:
                     36:        xinput build options have changed.
                     37:        Remove the obj directory (external/mit/xorg/bin/xinput)
                     38:        if you build.sh -u
                     39:
1.276     martin     40: 20170103:
                     41:        a new version of flex has been imported.
                     42:        Remove the file from obj (external/bsd/flex)
                     43:        if you build.sh -u
                     44:
1.275     spz        45: 20161014:
                     46:        a new version of OpenSSL has been imported.
                     47:        Remove the files from obj (crypto/external/bsd/openssl)
                     48:        if you build.sh -u
                     49:
1.274     martin     50: 20161009:
                     51:        a new version of dhcpcd has been imported with slightly changed
                     52:        build infrastructure. When doing a build.sh -u this requires
                     53:        pruning the external/bsd/dhcpcd objdir.
                     54:
1.273     mrg        55: 20160914:
                     56:        i386, amd64, shark, ofppc and macppc have joined shark and x68k
                     57:        ports in using xorg-server 1.18. This requires a clean destdir
                     58:        and a clean objdir.
                     59:
1.272     dholland   60: 20160527:
                     61:        i386 needs a full cleandir or objdir deletion because PIE has
                     62:        been enabled. (see the amd64 entry two down for further info)
                     63:
1.270     christos   64: 20160418:
                     65:        libedit needs manual removal of all autogenerated files since
1.271     christos   66:        some of them are not autogenerated anymore. Remember that there
                     67:        might be two copies of libedit if your platform builds "compat".
1.270     christos   68:
1.268     riastrad   69: 20160410:
                     70:        amd64 needs full "make cleandir" or deletion of objdir now that
                     71:        PIE has been enabled for amd64.  PIE, or position-independent
                     72:        executables, means all code, including executables and not just
                     73:        shared libraries, is position-independent and hence able to be
                     74:        relocated by ASLR, address space layout randomization.
                     75:
                     76:        The change was made in Makefile variables for compiler and
                     77:        linker flags, for which make(1) does not record dependencies,
                     78:        hence it is unable to detect that all .o files need rebuilding.
                     79:
                     80:        Partial rebuilds with some modified source files will likely
                     81:        fail when linking executables, since the linker refuses to mix
                     82:        position-independent code with position-dependent code in
                     83:        position-independent executables:
                     84:
                     85:                .../x86_64--netbsd/bin/ld: foo.o: relocation R_X86_64_32 against `...' cannot be used when making a shared object; recompile with -fPIC
                     86:
1.267     mrg        87: 20160401:
                     88:        Ports switching to GCC 5.3 will need a full "make cleandir".
1.269     dholland   89:        Some people have found that cleandir is not sufficient, so if
                     90:        in doubt delete the entire object directory tree for gcc.
1.267     mrg        91:
1.266     aymeric    92: 20160306:
1.265     aymeric    93:        NetBSD's regexp implementation is now part of libnbcompat.
                     94:        Nblex, nbm4, nbpax, nbsed use it and they may crash on
                     95:        non-NetBSD hosts if linked with stale object files produced
                     96:        while they included a non-NetBSD regex.h.
                     97:        In any case, you should "make cleandir" at least these tools
                     98:        before updating your toolchain.
                     99:
1.264     martin    100: 20160125:
                    101:        Dtrace has been enabled by default on some architectures.
                    102:        When doing an update build, make sure to clean the etc/mtree
                    103:        object directory before starting the build - otherwise the
                    104:        needed directories in destdir will not be created.
                    105:        An easy way to do this is:
                    106:           cd src/etc/mtree && $TOOLDIR/bin/nbmake-$arch cleandir
                    107:
1.263     dholland  108: 20150818:
                    109:        New acpica requires "make cleandir" in src/external/bsd/acpica
                    110:        again.
                    111:
1.262     christos  112: 20150413:
                    113:        New acpica requires "make cleandir" and reinstalling yacc
                    114:        in /usr/src/external/bsd/byacc and /usr/src/tools/yacc and
                    115:        also "make cleandir" in /usr/src/external/bsd/acpica.
                    116:
1.261     martin    117: 20150404:
                    118:        Lint changes require a full rebuild of the tool, so make
                    119:        sure to build without -u option to build.sh, or manually
                    120:        do a make cleandir in src/tools/lint1 and
                    121:        src/usr.bin/xlint.
                    122:
1.260     skrll     123: 20150310:
                    124:        Improvements to openssl for arm mean that update builds of
                    125:        the openssl libraries will fail. A make cleandir in
                    126:        external/bsd/openssl/lib is needed
                    127:
1.258     martin    128: 20141026:
1.259     msaitoh   129:        A mishap during the import of pppd may cause your corruption
1.258     martin    130:        in your cvs directory if you happened to do a cvs update
                    131:        during a short period of time. To fix, just remove the
                    132:        directory src/external/bsd/ppp/dist/pppd completely
                    133:        and let cvs restore it on next update.
                    134:
1.256     apb       135: 20140721:
                    136:        The src/external/mit/lua/src directory was accidentally created
                    137:        and then deleted in the CVS repository.  If you get errors like
                    138:
                    139:        cvs [update aborted]: cannot open directory
                    140:        /cvsroot/src/external/mit/lua/src: No such file or directory
                    141:
                    142:        then delete your local copy of that directory tree and try again.
                    143:
1.255     joerg     144: 20140530:
                    145:        ARM eABI switched to DWARF based exception handling. This requires
                    146:        rebuilding all C++ code. It is strongly advised to do a clean build.
                    147:
1.251     martin    148: 20140131:
1.253     joerg     149:        The new compiler_rt/libc integration moved a few things. It is strongly
1.254     skrll     150:        advised to do a clean build. At least lib/libc, the compat version(s)
1.253     joerg     151:        of libc, libkern, rump and the kernels need to be cleaned.
1.251     martin    152:
1.250     christos  153: 20131227:
                    154:        1. The new ntpd runs in a restricted mode to prevent amplification
                    155:           attacks. If you need ntpdc to work you need to explicitly enable
                    156:           mode7 in your config file. Make sure you put the necessary restrict
                    157:           statements to avoid being exposed.
                    158:        2. strncat has moved from lib/libc to common/lib/libc; you might need
                    159:           to make clean in libc
                    160:
1.249     mrg       161: 20131129:
                    162:        The GMP sources were updated, and builds will likely fail without
                    163:        cleaning their build trees for both tools and in-tree, like below.
                    164:
1.248     mrg       165: 20131128:
                    166:        The MPC and MPFR sources were updated, and builds may require their
                    167:        tools and in-tree directories cleaned for successful updates.
                    168:
1.246     martin    169: 20130605:
1.247     spz       170:        The kernel option FAST_IPSEC no longer exists, it's been renamed
                    171:        to IPSEC (and the older IPSEC version removed).
                    172:
                    173: 20130605:
1.246     martin    174:        Previous freetype installations eroneously installed private
                    175:        header files. If you are building against a non-empty $DESTDIR,
                    176:        please remove ${DESTDIR}//usr/X11R7/include/freetype2/freetype/.
                    177:
1.245     mrg       178: 20130531:
                    179:        The xdm update may cause build failure due to xdm.man being
                    180:        in the obj tree.  Make sure to ensure any like this:
                    181:                nbmake: nbmake: don't know how to make xdm.man. Stop
                    182:        is fixed by deleting the xdm.man in the obj tree.
                    183:
1.244     mrg       184: 20130530:
                    185:        Updates of many xsrc packages will leave old .pc files around.
                    186:        Best to clean out the xsrc objdir entirely before rebuilds.
                    187:
1.242     christos  188: 20130301:
                    189:        The removal of netiso requires manual removal of /usr/include/netiso
1.243     christos  190:        prior to the build and make cleandir in /usr/src/usr.bin/{ktruss,kdump}
1.242     christos  191:
1.238     dholland  192: 20120726:
1.241     wiz       193:        The update of OpenSSL requires cleaning both the OpenSSL build
                    194:        directory and DESTDIR.  *Even non-update builds require cleaning
1.240     dholland  195:        DESTDIR.* Builds done without taking these steps may fail, or in
1.241     wiz       196:        some cases may succeed and install broken OpenSSL libraries that
1.240     dholland  197:        cause third-party software to link incorrectly and/or crash.
1.238     dholland  198:
1.237     wiz       199: 20120507:
1.241     wiz       200:        The database schema for makemandb was changed.  You will
1.237     wiz       201:        need to update the database using 'makemandb -f' or wait
                    202:        for the next weekly run to fix it.
                    203:
1.236     bsh       204: 20120319:
                    205:        sys/conf/Makefile.kern.inc has been modified to adjust the
                    206:        size of db_symtab automatically.  You need to update dbsym in
                    207:        your $TOOLDIR to build kernels with options SYMTAB_SPACE.  If
                    208:        you don't want this behavior, add AUTO_SYMTAB_SPACE=no to your
                    209:        mk.conf.
                    210:
1.235     joerg     211: 20120216:
1.241     wiz       212:        Default for MKCATPAGES changed to NO.  Update builds will fail
                    213:        unless DESTDIR is cleaned manually.  If you built between 20120207
1.239     dholland  214:        and 20120216, daily and weekly could have created an unreadable
1.241     wiz       215:        /var/db/man.db index for apropos.  Running makemandb -f or
1.235     joerg     216:        the next run of weekly will fix it.
1.233     joerg     217:
1.232     christos  218: 20111227:
                    219:        If you built between 20111225 and 20111227 you need to remove
                    220:        /usr/lib/libpam.so.4* and /usr/lib/security/*.so.4, since the
                    221:        bump has been reverted.
                    222:
1.231     tls       223: 20111125:
                    224:        The "rnd" pseudodevice has been added to sys/conf/std, which
                    225:        means it should no longer be explicitly listed in kernel
                    226:        configuration files.  The line "pseudo-device rnd" should be
                    227:        removed from any custom kernel config files users may have.
                    228:
1.230     tls       229: 20111119:
                    230:        A problem with the datastructures used by the rndctl(8)
                    231:        utility (pointers in datastructures in an array, making 32->64
                    232:        bit compatibility very painful) has been fixed in a
                    233:        non-backwards-compatible way.  If you replace your kernel,
                    234:        replace your rndctl executable too.
1.241     wiz       235:
1.229     jym       236: 20111001:
                    237:        the prop_*_send_syscall() functions from proplib(3) have been
                    238:        changed and their new version is not backward compatible with the old
1.241     wiz       239:        one.  So ensure that all consumers of these functions (currently:
1.229     jym       240:        quota2 code and its tests) are updated together with the new lib.
                    241:
1.228     mrg       242: 20110817:
                    243:        sparc has been changed to use GCC 4.5.3, so any objdir or
                    244:        DESTDIR for them should be deleted before updating.
                    245:
1.227     riastrad  246: 20110806:
                    247:        i386 and amd64 have been changed to use GCC 4.5.3, so any
                    248:        objdir or DESTDIR for them should be deleted before updating.
                    249:
1.226     mrg       250: 20110805:
                    251:        The update to GCC 4.5.3 requires a non-trivial portion of
                    252:        the tree to be cleaned.  Best to delete both objdir and
                    253:        DESTDIR before running this update.  So far, only the
                    254:        sparc64, mips and powerpc platforms have changed.
                    255:
1.225     matt      256: 20110803:
1.241     wiz       257:        The layout of external/public-domain/xz has changed.  To do an
1.225     matt      258:        update build you will have to remove the contents of the OBJDIR
                    259:        for external/public-domain/xz/bin by hand as the xz entry there
                    260:        is now a directory.
                    261:
1.223     joerg     262: 20110410:
1.241     wiz       263:        The configuration of src/tools/gcc has changed.  To do an
1.224     dholland  264:        update build you have to clean both tools/binutils and
                    265:        tools/gcc by hand.
1.223     joerg     266:
1.222     plunky    267: 20110328:
                    268:        Building the Xorg binary was moved into a subdirectory to fix
1.241     wiz       269:        ordering issues with "make all".  It may be necessary to remove
1.222     plunky    270:        the OBJDIR for external/mit/xorg/server/xorg-server/hw/xfree86
                    271:        if your update build fails, as the "Xorg" entry there is now a
                    272:        directory.
                    273:
1.220     joerg     274: 20110121:
1.221     lukem     275:        Assembler files no longer use -traditional-cpp.  This can break
1.220     joerg     276:        the build of individual parts of the tree.  This is handled
                    277:        correctly by build.sh.  Manual builds have to update /usr/share/mk
                    278:        and re-run config(1) for any kernel configurations as needed.
1.218     joerg     279:
1.217     jruoho    280: 20101217:
                    281:        The tcpdump(8) program was changed to drop privileges and chroot(2)
1.241     wiz       282:        by default.  It may be necessary to manually update passwd(5) and
1.217     jruoho    283:        group(5) in order to make the program work with existing setups.
                    284:
1.216     christos  285: 20101125:
                    286:        The latest changes to setenv(3) dissallow setting environment
1.241     wiz       287:        variables with names that contain '='.  Revision 1.18 of env.c
                    288:        assumed that this was allowed.  Installing a new libc with an
1.216     christos  289:        old copy of /usr/bin/env causes env x=1 printenv | grep x= to
                    290:        break which affects the autoconf tests for dependency finding,
                    291:        so building gcc will end up printing:
                    292:            checking dependency style of gcc... none
                    293:            configure: error: no usable dependency style found
                    294:        Fix it by rebuilding and re-installing env.
1.138     lukem     295:
1.215     mrg       296: 20101119:
                    297:        Recent Xorg updates in xsrc/external/mit/ may cause various build
                    298:        or run-time problems.  Delete your entire DESTDIR and OBJDIR if you
                    299:        have any build problems with xsrc, or problems with mismatched
                    300:        versions between xorg-server and drivers.
                    301:
1.213     jmmv      302: 20100604:
                    303:        The update of ATF to 0.9 causes old tests written in shell to fail
                    304:        unless they are rebuilt.  If you are building with MKUPDATE=yes,
                    305:        you need to clean the src/external/bsd/atf/tests/ and the src/tests/
                    306:        trees by hand.
                    307:
1.211     tnozaki   308: 20100522:
1.212     mrg       309:        Recent Xorg updates in xsrc/external/mit/ will cause various build
                    310:        problems.  Delete your entire DESTDIR and OBJDIR if you have any
                    311:        build problems with xsrc.
                    312:
                    313: 20100522:
1.211     tnozaki   314:        private section of <ctype.h> was splitted, and now mklocale(1)
1.214     dholland  315:        include ctype_local.h, so you have to make cleandir in tools/mklocale.
1.211     tnozaki   316:
1.210     christos  317: 20100520:
1.241     wiz       318:        The location of the xkb compiled descriptions has changed.  Please
1.210     christos  319:        remove usr/X11R7/lib/X11/xkb/compiled from your $DESTDIR.
                    320:
1.209     njoly     321: 20100222:
                    322:        The shared objects file extension has been changed from .so to
                    323:        .pico, in order to avoid conflicts with shared libraries names
                    324:        libXX.so.  All now stale regular .so files can be removed from
                    325:        your object directories.
                    326:
1.208     roy       327: 20100204:
                    328:        The termcap database has been removed from the sources,
                    329:        but has not been marked obsolete so it is not removed
                    330:        from the system when upgrading.
                    331:        As such, you will need to remove them from your object
                    332:        and destination directories.
                    333:
1.203     dyoung    334: 20091101:
1.205     dholland  335:         After updating, it may be necessary to make the 'cleandir'
                    336:         target in src/tools/yacc/ and in src/usr.bin/yacc/ before a
                    337:         'build.sh -u tools' or 'build.sh -u distribution'.  Ditto
                    338:         src/tools/lex/ and src/usr.bin/lex/.
1.203     dyoung    339:
1.202     mrg       340: 20091001:
1.206     dholland  341:        On amd64 you must rebuild tools (to get the new binutils)
                    342:        before building a kernel, or the build fails on cpufunc.S.
                    343:
                    344: 20091001:
1.202     mrg       345:        An error will create a ./usr/X11R7/lib/X11/xkb/compiled/xkb
                    346:        symlink, failing the build.  Delete the link, and the subdir
                    347:        it is in, and retry your build.
                    348:
1.201     dsl       349: 20090718:
                    350:        libc build changed so that strchr() provides the extra entry
1.241     wiz       351:        point for index().  Update build of libc.a (and libc_pic.a)
1.201     dsl       352:        may fail because the archive contains the unwanted index.o.
                    353:        (Similarly for strrchr() and rindex().)
                    354:
1.198     mrg       355: 20090709:
                    356:        Native Xorg was upgraded again.  Builds will probably fail again
                    357:        without a clean objdir, at least for src/external/mit/xorg.
                    358:
1.197     mrg       359: 20090616:
                    360:        Native Xorg was upgraded.  Builds will need a clean objdir for
                    361:        src/external/mit/xorg.  Upgrading a system from sets will not
                    362:        work properly yet as the /usr/X11R7/lib/X11/xkb/symbols/pc
                    363:        subdirectory has been changed into a file, and this needs to
                    364:        be manually "rm -r"'ed before installing xbase.tgz.
                    365:
1.195     perry     366: 20090501:
                    367:        Several new functions were added to string.h/libc, and this
                    368:        can cause autoconf problems during the tool build for people
1.241     wiz       369:        who fail to clean out their tools objects properly.  If you
1.195     perry     370:        note messages about stpcpy, stpncpy or strnlen accompanying a
                    371:        failure during the tool build, clean out all your tools
                    372:        objects and start again.
                    373:
1.194     mrg       374: 20090325:
                    375:        The i386 port was switched to i486 default toolchain.  This requires
                    376:        cleaning your src/tools directory and $TOOLDIR and rebuilding them.
                    377:
1.192     skrll     378: 20090126:
1.241     wiz       379:        The __posix_fadvise50 system call changed assembly stub type.  You
1.207     mbalmer   380:        need to 'rm -f __posix_fadvise50.*' in the libc build directory
                    381:        to avoid using the old assembly stub.
1.192     skrll     382:
1.191     joerg     383: 20090202:
                    384:        pkg_install now depends on the pkgdb cache for automatic conflict
                    385:        detection.  It is recommented to rebuild the cache with
                    386:        ``pkg_admin rebuild''.
                    387:
1.184     christos  388: 20090110:
1.241     wiz       389:        time_t and dev_t have been bumped to 64 bit quantities.  To upgrade:
                    390:        1. Make sure your kernel has COMPAT_50 in it.  Build and install.
1.188     christos  391:           This is needed even in the MODULAR kernel because there is
                    392:           conditionally compiled code in rtsock.c.
1.184     christos  393:        2. make sure build.sh completes and the binaries in a chroot work
                    394:           before installing.
                    395:        3. If you don't use build.sh and you build directly to root, and
1.241     wiz       396:           your build breaks in the middle, don't despair.  Make sure headers
1.184     christos  397:           are installed properly, and start building libraries first libc
                    398:           and libutil, install them and then continue building all the
1.241     wiz       399:           libraries in src/lib and src/gnu/lib and install them.  Once
1.184     christos  400:           the new libraries are installed, you can restart the build.
                    401:        4. If you compile packages and you notice link time warnings,
1.189     hubertf   402:           rebuild the required packages to update their shared libraries.
                    403:           Any package you rebuild will require rebuilding all the packages
                    404:           that depend on it.
1.186     christos  405:        5. Next time you run pwd_mkdb with the new binary, the file
                    406:           will be upgraded and it will not be backwards compatible.
1.190     apb       407:        6. The utmpx/wtmpx files (/var/run/utmpx and /var/log/wtmpx, see
                    408:           lastlogx(5)) have been versioned, and there is a heuristic
1.241     wiz       409:           for utmp.  You are better off removing the old files after
1.190     apb       410:           upgrading.  The automated clearing of /var/run during
                    411:           boot, and the automated rotating of files in /var/log by
                    412:           newsyslog(8), may mean that you do not have to remove the
                    413:           files manually.
                    414:        7. The optional accounting file (/var/account/acct, see
                    415:           accton(8)) has not been versioned, and will need to be
                    416:           removed.  The automatic rotation of the accounting file by
                    417:           /etc/daily limits the bad consequences of failure to remove
                    418:           the file.
1.196     dholland  419:        8. Application software that writes time_t to binary files on
1.241     wiz       420:           disk will break or need attention.  Most notably: if you are
1.196     dholland  421:           using PostgreSQL < 8.4, you need to dump your databases,
                    422:           rebuild PostgreSQL with the new time_t, then restore.
1.185     jmcneill  423:
1.183     pgoyette  424: 20081219:
                    425:        config(1) has been updated, and one of the files it creates -
                    426:        swapnetbsd.o - has changed format.  You need to rebuild config
                    427:        (done automatically by build.sh) and then you need to rerun
                    428:        config on all kernel configuration files before rebuilding those
                    429:        kernels.
                    430:
1.181     cube      431: 20081205:
                    432:        If you build with MKX11=no, you should remove /etc/rc.d/xdm and
                    433:        /etc/rc.d/xfs from DESTDIR because those files were moved to the xetc
                    434:        set and will appear as extra files for MKX11=no update builds.
1.178     lukem     435:
1.179     tsutsui   436: 20081122:
1.182     tsutsui   437:        On i386, various kernel options(4) in GENERIC including
1.180     wiz       438:        file systems have been disabled and moved into kernel modules.
                    439:        Before trying a new GENERIC kernel, you have to prepare the
1.179     tsutsui   440:        following files as well as a new GENERIC kernel:
                    441:
                    442:        - build and install kernel modules from src/sys/modules
                    443:
                    444:        - install the latest bootloader, which will load a module
1.180     wiz       445:          for the file system from which the kernel is loaded automatically
1.179     tsutsui   446:
1.180     wiz       447:        If you have to load your kernel from a file system which is not of
                    448:        the same type as the root file system, you have to load the necessary
                    449:        file system module manually on the boot prompt or in the boot.cfg file.
1.179     tsutsui   450:
1.178     lukem     451: 20080827:
                    452:        If you built and installed a libc from sources between
                    453:        2008/08/20 and 2008/08/26 you got a broken strtouq(3)
                    454:        which results in false errors reported by lint(1).
                    455:        Since this breaks the libc build itself, manual help is
1.180     wiz       456:        needed -- lint must be disabled temporarily, e.g.:
1.178     lukem     457:          $ (cd lib/libc && make MKLINT=no dependall install)
                    458:
1.177     christos  459: 20080813:
                    460:        MKDEBUG build was broken because the .depend files did not know
1.241     wiz       461:        about .go files.  You need to remove all .depend files and rebuild.
1.177     christos  462:
1.200     dholland  463: 20080802:
                    464:        A regression in binary compatibility for pthread_mutex_t has
1.241     wiz       465:        been fixed.  Unfortunately, the price is breaking compatibility
1.200     dholland  466:        for -current.
                    467:
                    468:        Threaded programs (using libpthread) and C++ programs (using
                    469:        libstdc++) compiled after 20070907 and before 20080802 need to
                    470:        be recompiled.
                    471:
                    472:        One way to find affected pkgsrc packages:
                    473:
                    474:          $ grep REQUIRES=/usr/lib/libpthread /var/db/pkg/*/+BUILD_INFO
                    475:          $ grep REQUIRES=/usr/lib/libstdc++ /var/db/pkg/*/+BUILD_INFO
                    476:
1.175     simonb    477: 20080731:
                    478:        WAPBL (metadata journaling support) has been added, but at this
                    479:        time isn't backwards compatible with pre-WAPBL aware kernels
                    480:        and userland (fsck_ffs in particular).  Please make sure you
                    481:        don't use a journaled filesystem with an older kernel/userland,
1.176     simonb    482:        especially an uncleanly mounted journaled filesystem.  WAPBL
                    483:        also requires the super block to be in the UFS2 format.  You
                    484:        can use fsck_ffs -c 4 to update the superblock format.
1.175     simonb    485:
1.174     lukem     486: 20080721:
                    487:        Assembler warnings are now fatal if $WARNS>0 and $NOGCCERROR
                    488:        isn't defined.
                    489:
1.173     freza     490: 20080531:
1.241     wiz       491:        The ioctl number of DRVSUSPENDDEV command on /dev/drvctl changed
                    492:        from 125 (conflicted with DRVCTLCOMMAND) to 129.  The drvctl(8)
1.173     freza     493:        utility needs to be rebuilt and reinstalled as older binaries
1.241     wiz       494:        won't work correctly.  The following sequence of commands:
1.173     freza     495:
                    496:          $ (cd sys/sys/ && nbmake-$arch includes)
                    497:          $ (cd sbin/drvctl/ && nbmake-$arch clean)
                    498:          $ (cd sbin/drvctl/ && nbmake-$arch all)
                    499:
                    500:        leaves new drvctl utility in sbin/drvctl build directory.
                    501:
1.172     lukem     502: 20080503:
                    503:        The <bsd.lib.mk> variable MKPRIVATELIB was renamed to LIBISPRIVATE.
                    504:
1.171     he        505: 20080521:
                    506:        For a while, unprivileged UPDATE builds would fail to
                    507:        succeed at the checkflist stage, complaining that
                    508:        ${DESTDIR}/stand/<arch>/ did not exist.  A fix for this
                    509:        problem was committed to share/mk/bsd.kmodule.mk, revision 1.9.
                    510:        If you already hit this problem, update the .mk file,
                    511:        remove ${DESTDIR}/stand/<arch>, and re-run the build.
                    512:
1.174     lukem     513: 20080303:
                    514:        Linker warnings are now fatal if $WARNS>0.
                    515:
1.170     christos  516: 20080126:
                    517:        The posix_fadvise system call has been changed from an assembly
1.241     wiz       518:        stub, to a c file that calls an assembly stub.  You need to
1.170     christos  519:        'rm -f posix_fadvise.* .depend' in the libc build directory to
                    520:        avoid using the old assembly stub.
                    521:
1.168     joerg     522: 20071209:
1.241     wiz       523:        The acpiec(4) driver has been split into two attachments.  If you
1.168     joerg     524:        get ACPI errors before the attachment, please update your kernel
1.169     wiz       525:        configuration file appropriately or see GENERIC for more details.
1.168     joerg     526:
1.166     xtraeme   527: 20071115:
                    528:        The it(4) driver has been renamed to itesio(4) and the old port
                    529:        argument specified in the kernel configuration file is not valid
1.241     wiz       530:        anymore.  The itesio(4) driver now uses the Super I/O address port
                    531:        rather than the EC address port.  Please update your kernel
1.167     wiz       532:        configuration file appropriately or see GENERIC for more details.
1.166     xtraeme   533:
1.165     jmmv      534: 20071028:
                    535:        The pccons(4) driver has been removed from the NetBSD/shark port.
                    536:        You need to update any custom kernel configuration file you have
                    537:        to remove any references to pccons (which includes removing the
                    538:        now useless XSERVER option) and replace them with the correct
                    539:        entries for the wscons driver.  See the GENERIC configuration file
                    540:        for more details.
                    541:
1.164     gdt       542: 20070913:
                    543:        A latent bug in dhclient/dhcpd that caused it to be unable to
                    544:        enumerate interfaces was fixed.  The bug began to cause
                    545:        problems after 20070911 when the kernel's SIOCGIFCONF
                    546:        implementation was repaired.  From 20070529 to 20070911 racoon
                    547:        could not enumerate interfaces.  (These are noted because
                    548:        normal kernel/userspace version matching hygiene is not
                    549:        sufficient to avoid this problem.)  Ensure that both kernel
                    550:        and userland are from after 20070913.
                    551:
1.163     joerg     552: 20070703:
1.241     wiz       553:        nbinstall has been renamed ${MACHINE_GNU_ARCH}-install.  It
1.199     dholland  554:        calls the target-specific strip program, and the logic to pass
                    555:        down STRIP from make has been removed.  This requires a
                    556:        re-installation of tools.
1.163     joerg     557:
1.161     dsl       558: 20070422:
                    559:        The way OS emulations lookup filenames inside the emulation root
                    560:        has been changed.  Rather than modify the pathname (and copy back
                    561:        to userspace) namei() and lookup() directly check the emulation
1.241     wiz       562:        root.  One side effect is that absolute symlinks inside the emulated
1.167     wiz       563:        root file system will be relative to that file system - unless they
1.161     dsl       564:        start /../ this is useful when the emulated root is a real install
                    565:        that has such links.
                    566:        This might affect symlinks that have been added to reference outside
                    567:        the emulated root.
                    568:
1.160     jmcneill  569: 20070412:
1.241     wiz       570:        The pckbc driver on sgimips IP32 has been removed.  Use macekbc
                    571:        instead.  See the GENERIC32_IP3x kernel configuration for an
1.160     jmcneill  572:        example.
                    573:
1.159     gdt       574: 20070319:
                    575:         src/lib/libc/Makefile revision 1.129 broke libc and ld.elf_so
                    576:         on many platforms due to incorrect flags settings.  If you
                    577:         updated and built after about 20070315, do "nbmake-$arch
                    578:        cleandir" in src/lib/libc and src/libexec/ld.elf_so to force a
                    579:        rebuild of object files that might have been built
                    580:        incorrectly, and ensure that you have at least
                    581:        src/lib/libc/Makefile 1.130.
                    582:
1.241     wiz       583: 20070210:
1.158     dbj       584:         src/sys/sys/{sa.h,savar.h} were removed.
                    585:           find ${OBJDIR} \( -name .depend -o -name '*.d' \) -print \
                    586:               | xargs egrep -l '/sa.h|/savar.h' | xargs rm
                    587:         will allow dependencies on those files to get get rebuilt
                    588:
1.157     apb       589: 20070209:
                    590:         The threading model was changed when the newlock2 branch
                    591:         was merged to NetBSD-current.  If you boot with a new
                    592:         kernel (version 4.99.10), then you also need a new pthread
                    593:         library (/usr/lib/libpthread.so.0.7).  If you boot with
                    594:         an old kernel, then you need the old pthread library
                    595:         (/usr/lib/libpthread.so.0.6).  Provided you keep the kernel and
                    596:         the pthread library in sync, old threaded applications should
                    597:         continue to work with an old or new kernel.  Note that named(8)
                    598:        is the only threaded application in the base system.
                    599:
1.154     he        600: 20061214:
                    601:        Following the move of string_to_flags() and flags_to_string()
                    602:        from the bin/ls/ sources to libutil, users doing UPDATE builds
                    603:        will need to do a "make cleandir" in
                    604:                tools/mtree/, tools/makefs/, tools/binstall/, tools/pax/,
                    605:                bin/pax/, bin/ls/, usr.sbin/mtree/, usr.sbin/makefs/,
1.156     he        606:                usr.bin/xinstall/, libexec/ftpd/, rescue/, as well
                    607:                as the installation images in distrib/
1.154     he        608:        in order to excise stale references to the old stat_flags.h header
                    609:        file in the ls sources -- stat_flags.h has been removed.
                    610:
1.152     christos  611: 20061108:
                    612:        The configure script used in the src/tools/gcc compiler has been
                    613:        changed to indicate that our libc has ssp support built-in and
1.241     wiz       614:        does not depend on -lssp and -lssp-nonshared.  You'll need to
1.152     christos  615:        make clean in src/tools/gcc first to rebuild the compiler.
                    616:
1.151     rpaulo    617: 20061009:
                    618:        The sysctl variables net.inet{,6}.tcp{,6}.newreno are no longer
1.241     wiz       619:        available.  Use net.inet{,6}.tcp{,6}.congctl.selected instead.
1.151     rpaulo    620:
1.150     bjh21     621: 20060814:
                    622:        The vt, vidcconsole, kbd, and rpckbd drivers on acorn32 have been
                    623:        withdrawn.  Use vidcvideo and pckbd instead.  See the GENERIC
                    624:        kernel configuration for an example.  X servers from the last
                    625:        few years should cope.
                    626:
1.149     christos  627: 20060703:
1.241     wiz       628:        MPACPI is no more.  We always configure PCI interrupts using ACPI
                    629:        if we have an ACPI kernel.  The option MPACPI_SCANPCI has been renamed
                    630:        to ACPI_SCANPCI.  Thanks to work from fvdl.
1.149     christos  631:
1.148     dogcow    632: 20060627:
                    633:        socket(2) has changed, and its system call has been versioned.
                    634:        For userlands with the old version of socket(2), make sure that
                    635:        your kernel has 'options COMPAT_30' set, or else 'bad system call'
                    636:        errors will result.
                    637:
1.1       abs       638: Hints for a more successful build:
                    639: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
1.123     jmc       640:     Use build.sh, but do not use its "expert mode":
1.132     jmmv      641:        This will automatically build the tools in the
1.123     jmc       642:           correct order, and it will keep the tools and the
                    643:           new build products from interfering with the running
                    644:           system.  This will allow you to ignore most of the
                    645:           other advice in this file.
1.2       mrg       646:     Build a new kernel first:
                    647:        This makes sure that any new system calls or features
                    648:           expected by the new userland will be present.  This
                    649:           helps to avoid critical errors when upgrading.
1.1       abs       650:     Use object directories:
                    651:        This helps to keep stale object
                    652:           files from polluting the build if a Makefile "forgets"
                    653:           about one.  It also makes it easier to clean up after
                    654:           a build.  It's also necessary if you want to use the
                    655:           same source tree for multiple machines.
1.123     jmc       656:           To use object directories with build.sh:
                    657:            a) invoke build.sh with the "-M" or "-O" options.
                    658:           To use object directories without using build.sh:
1.1       abs       659:            a) cd /usr/src ; make cleandir
1.2       mrg       660:            b) Add "OBJMACHINE=yes" to /etc/mk.conf
                    661:            c) Add "MKOBJDIRS=yes" to /etc/mk.conf
1.1       abs       662:            d) cd /usr/src ; make build
1.2       mrg       663:           Note that running "make obj" in a directory will create
                    664:           in obj.$MACHINE directory.
1.1       abs       665:     Build to a DESTDIR:
1.123     jmc       666:        This helps to keep old installed files (especially libraries)
                    667:           from interfering with the new build.
                    668:           To build to a DESTDIR with build.sh, use the "-D" option.
                    669:           To build to a DESTDIR without using build.sh, set the DESTDIR
                    670:           environment variable before running make build.  It should be
                    671:           set to the pathname of an initially empty directory.
                    672:           Problems: if you do not use build.sh, you might need to
                    673:                update critical utilities without using DESTDIR since
                    674:                nothing is executed from what is installed in DESTDIR.
                    675:                (See critical utils, below.)
1.1       abs       676:     Build often:
                    677:        This keeps critical utilities current enough to not choke
                    678:        on any other part of the source tree that depends on up to
1.123     jmc       679:        date functionality.  If you use build.sh, you should not have
                    680:        this problem.
1.241     wiz       681:
1.1       abs       682: What to do if things don't work:
                    683: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
1.230     tls       684: When things don't work there are usually a few things that commonly
1.1       abs       685: should be done.
                    686:     1) make includes
                    687:        This should be done automatically by make build.
                    688:     2)  cd share/mk && make install
                    689:        Again, automatically done by make build.
                    690:
                    691: Failsafe rebuild of a small part of the tree:
                    692: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                    693: To make sure you rebuild something correctly you want to do
                    694: something like the following:
                    695:     1)  Make sure the includes and .mk files are up to date.
                    696:     2)  Make sure any program used to build the particular
                    697:        utility is up to date.  (yacc, lex, etc...)
                    698:     3)  cd ...path/to/util...
                    699:        make cleandir
                    700:        rm ...all obj directories...
                    701:        make cleandir                   # yes, again
                    702:        make obj
                    703:        make depend && make
                    704:
                    705: Failsafe rebuild of the entire tree:
                    706: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                    707: If you really want to make sure the source tree is clean and
1.2       mrg       708: ready for a build try the following.  Note that sourcing /etc/mk.conf
                    709: (a make(1) Makefile) in this manner is not right, and will not work
                    710: for anyone who uses any make(1) features in /etc/mk.conf.
1.1       abs       711:
                    712: ---cut here---
                    713: #!/bin/sh
                    714: . /etc/mk.conf
                    715:
1.58      lukem     716: if [ -z $NETBSDSRCDIR ] ; then
                    717:     NETBSDSRCDIR=/usr/src
1.1       abs       718: fi
1.58      lukem     719: if [ \! -d $NETBSDSRCDIR ] ; then
1.1       abs       720:     echo Unable to find sources
                    721:     exit 1
                    722: fi
1.58      lukem     723: find $NETBSDSRCDIR -name \*.o -o -name obj.\* -o -name obj -exec rm \{\} \;
1.1       abs       724:
                    725: if [ -z $BSDOBJDIR ] ; then
                    726:     BSDOBJDIR=/usr/obj
                    727: fi
                    728: if [ -d $BSDOBJDIR ] ; then
                    729:     rm -rf $BSDOBJDIR
                    730: fi
                    731:
1.58      lukem     732: cd $NETBSDSRCDIR && make cleandir
1.1       abs       733:
                    734: ---cut here---
                    735:
                    736: Critical utilities:
                    737: ^^^^^^^^^^^^^^^^^^^
1.3       itojun    738:        usr.bin/compile_et
1.1       abs       739:        usr.bin/make
                    740:        usr.bin/yacc
                    741:        usr.bin/lex
1.11      lukem     742:        usr.bin/xlint
1.142     drochner  743:        usr.bin/config
1.1       abs       744:
1.34      simonb    745: Other problems and possible solutions:
1.1       abs       746: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                    747: Symptom:Complaints involving a Makefile.
1.17      erh       748: Fix:   Rebuild usr.bin/make:
                    749:        cd usr.bin/make && make && make install
1.111     simonb    750:        Or, a failsafe method if that doesn't work:
1.17      erh       751:        cd usr.bin/make && cc *.c */*.c -I . -o make && mv make /usr/bin
                    752:
1.1       abs       753: Fix:   Make sure .mk files are up to date.
                    754:        cd share/mk && make install
1.2       mrg       755:
                    756: Symptom:Kernel `config' fails to configure any kernel, including GENERIC.
1.142     drochner  757: Fix:   Rebuild usr.bin/config
1.1       abs       758:
                    759: Symptom:
                    760: Fix:   Rebuild usr.bin/yacc
                    761:
                    762: Symptom:
                    763: Fix:   Rebuild usr.bin/lex
                    764:
                    765: Symptom:
                    766: Fix:   rm /usr/lib/libbfd.a
1.4       itojun    767:
                    768: Symptom:Obsolete intermediate files are used during compilation
                    769: Fix:   Try the following sequence of commands in the directory in question.
                    770:        make cleandir; rm `make print-objdir`; make cleandir; make obj
                    771:        (If you built the tree without "make obj" in the past, obsolete files
                    772:        may remain.  The command tries to clean everything up)
1.5       wiz       773:
1.207     mbalmer   774: Symptom:.../sysinst/run.c:xx: warning: initialization from incompatible
                    775:        pointer type
1.5       wiz       776: Fix:   Rebuild and install usr.bin/menuc
1.12      itojun    777:
                    778: Symptom:mklocale not found during build in share/locale/ctype
                    779: Fix:   Build and install usr.bin/mklocale
1.13      dogcow    780:
1.86      kleink    781: Symptom:undefined reference to `__assert13' or `__unsetenv13'
1.13      dogcow    782: Fix:    Rebuild and install lib/libc
                    783:
1.142     drochner  784: Symptom:usr.bin/config fails to build.
1.19      cgd       785: Fix:   Try building with -DMAKE_BOOTSTRAP added to CFLAGS in Makefile.
1.13      dogcow    786:
1.19      cgd       787: Symptom:undefined reference to `getprogname' or `setprogname'
                    788: Fix:    Rebuild and install lib/libc
1.24      abs       789:
                    790: Symptom:lint does not understand the '-X' option
                    791: Fix:    May need to build & install libs with NOLINT=1 before rebuilding lint
1.223     joerg     792:
                    793: Symptom:Update build fails in src/tools/gcc complaining that a variable
                    794:        (e.g. CPPFLAGS) has changed since the previous run.
                    795: Fix:    Run "nbmake-${ARCH} clean" in src/tools/gcc or do a clean build.
1.257     apb       796:
                    797: Symptom:cvs [update aborted]: cannot open directory /cvsroot/src/...:
                    798:        No such file or directory.
                    799: Cause: If a directory is created by mistake, then it is sometimes
                    800:        deleted from the CVS repository using administrative commands
                    801:        that bypass the normal cvs access controls.  If your cvs working tree
                    802:        contains references to a directory that has been deleted on the
                    803:        server in this way, then "cvs update" reports this error.
                    804: Fix:   Recursively delete the affected directory from your working tree
                    805:        and try the update again.

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