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Annotation of src/UPDATING, Revision 1.286

1.286   ! mrg         1: $NetBSD: UPDATING,v 1.285 2017/08/17 01:16:55 mrg 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:
1.286   ! mrg        22: 20170822:
        !            23:        a new version of GMP has been imported and probably
        !            24:        will break parts of builds related to themselves or GCC, both
        !            25:        in the tools and the native section.  Remove all GCC, GMP, MPFR
        !            26:        and MPC objdirs or build once without -u.
        !            27:
1.285     mrg        28: 20170816:
                     29:        a new version of MPFR and MPC have been imported and probably
                     30:        will break parts of builds related to themselves or GCC, both
                     31:        in the tools and the native section.  Remove all GCC, GMP, MPFR
                     32:        and MPC objdirs or build once without -u.
                     33:
1.284     martin     34: 20170402:
                     35:        a new version of dhcpcd has been imported, which does not support
                     36:        update builds from the previous version. Remove your
                     37:        external/bsd/dhcpcd object dir or build once without -u.
                     38:
1.281     roy        39: 20170211:
                     40:        a new terminfo database has been imported.
                     41:        The structure of it has changed slightly from prior versions and
                     42:        an updated tic tool is required.
                     43:        If you build.sh, don't use -u
                     44:
1.280     kre        45: 20170207:
1.278     kre        46:        various arch dependent libc/exect.S files were removed
1.279     kre        47:        Either remove the obj directories (lib/libc and compat/amd64/i386/lib
                     48:        if it exists) or do a clean build.
                     49:        (This is a bug in the make system, it should be corrected without
                     50:        human intervention, but isn't.)
1.278     kre        51:
1.277     martin     52: 20170104:
                     53:        xinput build options have changed.
                     54:        Remove the obj directory (external/mit/xorg/bin/xinput)
                     55:        if you build.sh -u
                     56:
1.276     martin     57: 20170103:
                     58:        a new version of flex has been imported.
                     59:        Remove the file from obj (external/bsd/flex)
                     60:        if you build.sh -u
                     61:
1.275     spz        62: 20161014:
                     63:        a new version of OpenSSL has been imported.
                     64:        Remove the files from obj (crypto/external/bsd/openssl)
                     65:        if you build.sh -u
                     66:
1.274     martin     67: 20161009:
                     68:        a new version of dhcpcd has been imported with slightly changed
                     69:        build infrastructure. When doing a build.sh -u this requires
                     70:        pruning the external/bsd/dhcpcd objdir.
                     71:
1.273     mrg        72: 20160914:
                     73:        i386, amd64, shark, ofppc and macppc have joined shark and x68k
                     74:        ports in using xorg-server 1.18. This requires a clean destdir
                     75:        and a clean objdir.
                     76:
1.272     dholland   77: 20160527:
                     78:        i386 needs a full cleandir or objdir deletion because PIE has
                     79:        been enabled. (see the amd64 entry two down for further info)
                     80:
1.270     christos   81: 20160418:
                     82:        libedit needs manual removal of all autogenerated files since
1.271     christos   83:        some of them are not autogenerated anymore. Remember that there
                     84:        might be two copies of libedit if your platform builds "compat".
1.270     christos   85:
1.268     riastrad   86: 20160410:
                     87:        amd64 needs full "make cleandir" or deletion of objdir now that
                     88:        PIE has been enabled for amd64.  PIE, or position-independent
                     89:        executables, means all code, including executables and not just
                     90:        shared libraries, is position-independent and hence able to be
                     91:        relocated by ASLR, address space layout randomization.
                     92:
                     93:        The change was made in Makefile variables for compiler and
                     94:        linker flags, for which make(1) does not record dependencies,
                     95:        hence it is unable to detect that all .o files need rebuilding.
                     96:
                     97:        Partial rebuilds with some modified source files will likely
                     98:        fail when linking executables, since the linker refuses to mix
                     99:        position-independent code with position-dependent code in
                    100:        position-independent executables:
                    101:
                    102:                .../x86_64--netbsd/bin/ld: foo.o: relocation R_X86_64_32 against `...' cannot be used when making a shared object; recompile with -fPIC
                    103:
1.267     mrg       104: 20160401:
                    105:        Ports switching to GCC 5.3 will need a full "make cleandir".
1.269     dholland  106:        Some people have found that cleandir is not sufficient, so if
                    107:        in doubt delete the entire object directory tree for gcc.
1.267     mrg       108:
1.266     aymeric   109: 20160306:
1.265     aymeric   110:        NetBSD's regexp implementation is now part of libnbcompat.
                    111:        Nblex, nbm4, nbpax, nbsed use it and they may crash on
                    112:        non-NetBSD hosts if linked with stale object files produced
                    113:        while they included a non-NetBSD regex.h.
                    114:        In any case, you should "make cleandir" at least these tools
                    115:        before updating your toolchain.
                    116:
1.264     martin    117: 20160125:
                    118:        Dtrace has been enabled by default on some architectures.
                    119:        When doing an update build, make sure to clean the etc/mtree
                    120:        object directory before starting the build - otherwise the
                    121:        needed directories in destdir will not be created.
                    122:        An easy way to do this is:
                    123:           cd src/etc/mtree && $TOOLDIR/bin/nbmake-$arch cleandir
                    124:
1.263     dholland  125: 20150818:
                    126:        New acpica requires "make cleandir" in src/external/bsd/acpica
                    127:        again.
                    128:
1.262     christos  129: 20150413:
                    130:        New acpica requires "make cleandir" and reinstalling yacc
                    131:        in /usr/src/external/bsd/byacc and /usr/src/tools/yacc and
                    132:        also "make cleandir" in /usr/src/external/bsd/acpica.
                    133:
1.261     martin    134: 20150404:
                    135:        Lint changes require a full rebuild of the tool, so make
                    136:        sure to build without -u option to build.sh, or manually
                    137:        do a make cleandir in src/tools/lint1 and
                    138:        src/usr.bin/xlint.
                    139:
1.260     skrll     140: 20150310:
                    141:        Improvements to openssl for arm mean that update builds of
                    142:        the openssl libraries will fail. A make cleandir in
                    143:        external/bsd/openssl/lib is needed
                    144:
1.258     martin    145: 20141026:
1.259     msaitoh   146:        A mishap during the import of pppd may cause your corruption
1.258     martin    147:        in your cvs directory if you happened to do a cvs update
                    148:        during a short period of time. To fix, just remove the
                    149:        directory src/external/bsd/ppp/dist/pppd completely
                    150:        and let cvs restore it on next update.
                    151:
1.256     apb       152: 20140721:
                    153:        The src/external/mit/lua/src directory was accidentally created
                    154:        and then deleted in the CVS repository.  If you get errors like
                    155:
                    156:        cvs [update aborted]: cannot open directory
                    157:        /cvsroot/src/external/mit/lua/src: No such file or directory
                    158:
                    159:        then delete your local copy of that directory tree and try again.
                    160:
1.255     joerg     161: 20140530:
                    162:        ARM eABI switched to DWARF based exception handling. This requires
                    163:        rebuilding all C++ code. It is strongly advised to do a clean build.
                    164:
1.251     martin    165: 20140131:
1.253     joerg     166:        The new compiler_rt/libc integration moved a few things. It is strongly
1.254     skrll     167:        advised to do a clean build. At least lib/libc, the compat version(s)
1.253     joerg     168:        of libc, libkern, rump and the kernels need to be cleaned.
1.251     martin    169:
1.250     christos  170: 20131227:
                    171:        1. The new ntpd runs in a restricted mode to prevent amplification
                    172:           attacks. If you need ntpdc to work you need to explicitly enable
                    173:           mode7 in your config file. Make sure you put the necessary restrict
                    174:           statements to avoid being exposed.
                    175:        2. strncat has moved from lib/libc to common/lib/libc; you might need
                    176:           to make clean in libc
                    177:
1.249     mrg       178: 20131129:
                    179:        The GMP sources were updated, and builds will likely fail without
                    180:        cleaning their build trees for both tools and in-tree, like below.
                    181:
1.248     mrg       182: 20131128:
                    183:        The MPC and MPFR sources were updated, and builds may require their
                    184:        tools and in-tree directories cleaned for successful updates.
                    185:
1.246     martin    186: 20130605:
1.247     spz       187:        The kernel option FAST_IPSEC no longer exists, it's been renamed
                    188:        to IPSEC (and the older IPSEC version removed).
                    189:
                    190: 20130605:
1.246     martin    191:        Previous freetype installations eroneously installed private
                    192:        header files. If you are building against a non-empty $DESTDIR,
                    193:        please remove ${DESTDIR}//usr/X11R7/include/freetype2/freetype/.
                    194:
1.245     mrg       195: 20130531:
                    196:        The xdm update may cause build failure due to xdm.man being
                    197:        in the obj tree.  Make sure to ensure any like this:
                    198:                nbmake: nbmake: don't know how to make xdm.man. Stop
                    199:        is fixed by deleting the xdm.man in the obj tree.
                    200:
1.244     mrg       201: 20130530:
                    202:        Updates of many xsrc packages will leave old .pc files around.
                    203:        Best to clean out the xsrc objdir entirely before rebuilds.
                    204:
1.242     christos  205: 20130301:
                    206:        The removal of netiso requires manual removal of /usr/include/netiso
1.243     christos  207:        prior to the build and make cleandir in /usr/src/usr.bin/{ktruss,kdump}
1.242     christos  208:
1.238     dholland  209: 20120726:
1.241     wiz       210:        The update of OpenSSL requires cleaning both the OpenSSL build
                    211:        directory and DESTDIR.  *Even non-update builds require cleaning
1.240     dholland  212:        DESTDIR.* Builds done without taking these steps may fail, or in
1.241     wiz       213:        some cases may succeed and install broken OpenSSL libraries that
1.240     dholland  214:        cause third-party software to link incorrectly and/or crash.
1.238     dholland  215:
1.237     wiz       216: 20120507:
1.241     wiz       217:        The database schema for makemandb was changed.  You will
1.237     wiz       218:        need to update the database using 'makemandb -f' or wait
                    219:        for the next weekly run to fix it.
                    220:
1.236     bsh       221: 20120319:
                    222:        sys/conf/Makefile.kern.inc has been modified to adjust the
                    223:        size of db_symtab automatically.  You need to update dbsym in
                    224:        your $TOOLDIR to build kernels with options SYMTAB_SPACE.  If
                    225:        you don't want this behavior, add AUTO_SYMTAB_SPACE=no to your
                    226:        mk.conf.
                    227:
1.235     joerg     228: 20120216:
1.241     wiz       229:        Default for MKCATPAGES changed to NO.  Update builds will fail
                    230:        unless DESTDIR is cleaned manually.  If you built between 20120207
1.239     dholland  231:        and 20120216, daily and weekly could have created an unreadable
1.241     wiz       232:        /var/db/man.db index for apropos.  Running makemandb -f or
1.235     joerg     233:        the next run of weekly will fix it.
1.233     joerg     234:
1.232     christos  235: 20111227:
                    236:        If you built between 20111225 and 20111227 you need to remove
                    237:        /usr/lib/libpam.so.4* and /usr/lib/security/*.so.4, since the
                    238:        bump has been reverted.
                    239:
1.231     tls       240: 20111125:
                    241:        The "rnd" pseudodevice has been added to sys/conf/std, which
                    242:        means it should no longer be explicitly listed in kernel
                    243:        configuration files.  The line "pseudo-device rnd" should be
                    244:        removed from any custom kernel config files users may have.
                    245:
1.230     tls       246: 20111119:
                    247:        A problem with the datastructures used by the rndctl(8)
                    248:        utility (pointers in datastructures in an array, making 32->64
                    249:        bit compatibility very painful) has been fixed in a
                    250:        non-backwards-compatible way.  If you replace your kernel,
                    251:        replace your rndctl executable too.
1.241     wiz       252:
1.229     jym       253: 20111001:
                    254:        the prop_*_send_syscall() functions from proplib(3) have been
                    255:        changed and their new version is not backward compatible with the old
1.241     wiz       256:        one.  So ensure that all consumers of these functions (currently:
1.229     jym       257:        quota2 code and its tests) are updated together with the new lib.
                    258:
1.228     mrg       259: 20110817:
                    260:        sparc has been changed to use GCC 4.5.3, so any objdir or
                    261:        DESTDIR for them should be deleted before updating.
                    262:
1.227     riastrad  263: 20110806:
                    264:        i386 and amd64 have been changed to use GCC 4.5.3, so any
                    265:        objdir or DESTDIR for them should be deleted before updating.
                    266:
1.226     mrg       267: 20110805:
                    268:        The update to GCC 4.5.3 requires a non-trivial portion of
                    269:        the tree to be cleaned.  Best to delete both objdir and
                    270:        DESTDIR before running this update.  So far, only the
                    271:        sparc64, mips and powerpc platforms have changed.
                    272:
1.225     matt      273: 20110803:
1.241     wiz       274:        The layout of external/public-domain/xz has changed.  To do an
1.225     matt      275:        update build you will have to remove the contents of the OBJDIR
                    276:        for external/public-domain/xz/bin by hand as the xz entry there
                    277:        is now a directory.
                    278:
1.223     joerg     279: 20110410:
1.241     wiz       280:        The configuration of src/tools/gcc has changed.  To do an
1.224     dholland  281:        update build you have to clean both tools/binutils and
                    282:        tools/gcc by hand.
1.223     joerg     283:
1.222     plunky    284: 20110328:
                    285:        Building the Xorg binary was moved into a subdirectory to fix
1.241     wiz       286:        ordering issues with "make all".  It may be necessary to remove
1.222     plunky    287:        the OBJDIR for external/mit/xorg/server/xorg-server/hw/xfree86
                    288:        if your update build fails, as the "Xorg" entry there is now a
                    289:        directory.
                    290:
1.220     joerg     291: 20110121:
1.221     lukem     292:        Assembler files no longer use -traditional-cpp.  This can break
1.220     joerg     293:        the build of individual parts of the tree.  This is handled
                    294:        correctly by build.sh.  Manual builds have to update /usr/share/mk
                    295:        and re-run config(1) for any kernel configurations as needed.
1.218     joerg     296:
1.217     jruoho    297: 20101217:
                    298:        The tcpdump(8) program was changed to drop privileges and chroot(2)
1.241     wiz       299:        by default.  It may be necessary to manually update passwd(5) and
1.217     jruoho    300:        group(5) in order to make the program work with existing setups.
                    301:
1.216     christos  302: 20101125:
                    303:        The latest changes to setenv(3) dissallow setting environment
1.241     wiz       304:        variables with names that contain '='.  Revision 1.18 of env.c
                    305:        assumed that this was allowed.  Installing a new libc with an
1.216     christos  306:        old copy of /usr/bin/env causes env x=1 printenv | grep x= to
                    307:        break which affects the autoconf tests for dependency finding,
                    308:        so building gcc will end up printing:
                    309:            checking dependency style of gcc... none
                    310:            configure: error: no usable dependency style found
                    311:        Fix it by rebuilding and re-installing env.
1.138     lukem     312:
1.215     mrg       313: 20101119:
                    314:        Recent Xorg updates in xsrc/external/mit/ may cause various build
                    315:        or run-time problems.  Delete your entire DESTDIR and OBJDIR if you
                    316:        have any build problems with xsrc, or problems with mismatched
                    317:        versions between xorg-server and drivers.
                    318:
1.213     jmmv      319: 20100604:
                    320:        The update of ATF to 0.9 causes old tests written in shell to fail
                    321:        unless they are rebuilt.  If you are building with MKUPDATE=yes,
                    322:        you need to clean the src/external/bsd/atf/tests/ and the src/tests/
                    323:        trees by hand.
                    324:
1.211     tnozaki   325: 20100522:
1.212     mrg       326:        Recent Xorg updates in xsrc/external/mit/ will cause various build
                    327:        problems.  Delete your entire DESTDIR and OBJDIR if you have any
                    328:        build problems with xsrc.
                    329:
                    330: 20100522:
1.211     tnozaki   331:        private section of <ctype.h> was splitted, and now mklocale(1)
1.214     dholland  332:        include ctype_local.h, so you have to make cleandir in tools/mklocale.
1.211     tnozaki   333:
1.210     christos  334: 20100520:
1.241     wiz       335:        The location of the xkb compiled descriptions has changed.  Please
1.210     christos  336:        remove usr/X11R7/lib/X11/xkb/compiled from your $DESTDIR.
                    337:
1.209     njoly     338: 20100222:
                    339:        The shared objects file extension has been changed from .so to
                    340:        .pico, in order to avoid conflicts with shared libraries names
                    341:        libXX.so.  All now stale regular .so files can be removed from
                    342:        your object directories.
                    343:
1.208     roy       344: 20100204:
                    345:        The termcap database has been removed from the sources,
                    346:        but has not been marked obsolete so it is not removed
                    347:        from the system when upgrading.
                    348:        As such, you will need to remove them from your object
                    349:        and destination directories.
                    350:
1.203     dyoung    351: 20091101:
1.205     dholland  352:         After updating, it may be necessary to make the 'cleandir'
                    353:         target in src/tools/yacc/ and in src/usr.bin/yacc/ before a
                    354:         'build.sh -u tools' or 'build.sh -u distribution'.  Ditto
                    355:         src/tools/lex/ and src/usr.bin/lex/.
1.203     dyoung    356:
1.202     mrg       357: 20091001:
1.206     dholland  358:        On amd64 you must rebuild tools (to get the new binutils)
                    359:        before building a kernel, or the build fails on cpufunc.S.
                    360:
                    361: 20091001:
1.202     mrg       362:        An error will create a ./usr/X11R7/lib/X11/xkb/compiled/xkb
                    363:        symlink, failing the build.  Delete the link, and the subdir
                    364:        it is in, and retry your build.
                    365:
1.201     dsl       366: 20090718:
                    367:        libc build changed so that strchr() provides the extra entry
1.241     wiz       368:        point for index().  Update build of libc.a (and libc_pic.a)
1.201     dsl       369:        may fail because the archive contains the unwanted index.o.
                    370:        (Similarly for strrchr() and rindex().)
                    371:
1.198     mrg       372: 20090709:
                    373:        Native Xorg was upgraded again.  Builds will probably fail again
                    374:        without a clean objdir, at least for src/external/mit/xorg.
                    375:
1.197     mrg       376: 20090616:
                    377:        Native Xorg was upgraded.  Builds will need a clean objdir for
                    378:        src/external/mit/xorg.  Upgrading a system from sets will not
                    379:        work properly yet as the /usr/X11R7/lib/X11/xkb/symbols/pc
                    380:        subdirectory has been changed into a file, and this needs to
                    381:        be manually "rm -r"'ed before installing xbase.tgz.
                    382:
1.195     perry     383: 20090501:
                    384:        Several new functions were added to string.h/libc, and this
                    385:        can cause autoconf problems during the tool build for people
1.241     wiz       386:        who fail to clean out their tools objects properly.  If you
1.195     perry     387:        note messages about stpcpy, stpncpy or strnlen accompanying a
                    388:        failure during the tool build, clean out all your tools
                    389:        objects and start again.
                    390:
1.194     mrg       391: 20090325:
                    392:        The i386 port was switched to i486 default toolchain.  This requires
                    393:        cleaning your src/tools directory and $TOOLDIR and rebuilding them.
                    394:
1.192     skrll     395: 20090126:
1.241     wiz       396:        The __posix_fadvise50 system call changed assembly stub type.  You
1.207     mbalmer   397:        need to 'rm -f __posix_fadvise50.*' in the libc build directory
                    398:        to avoid using the old assembly stub.
1.192     skrll     399:
1.191     joerg     400: 20090202:
                    401:        pkg_install now depends on the pkgdb cache for automatic conflict
                    402:        detection.  It is recommented to rebuild the cache with
                    403:        ``pkg_admin rebuild''.
                    404:
1.184     christos  405: 20090110:
1.241     wiz       406:        time_t and dev_t have been bumped to 64 bit quantities.  To upgrade:
                    407:        1. Make sure your kernel has COMPAT_50 in it.  Build and install.
1.188     christos  408:           This is needed even in the MODULAR kernel because there is
                    409:           conditionally compiled code in rtsock.c.
1.184     christos  410:        2. make sure build.sh completes and the binaries in a chroot work
                    411:           before installing.
                    412:        3. If you don't use build.sh and you build directly to root, and
1.241     wiz       413:           your build breaks in the middle, don't despair.  Make sure headers
1.184     christos  414:           are installed properly, and start building libraries first libc
                    415:           and libutil, install them and then continue building all the
1.241     wiz       416:           libraries in src/lib and src/gnu/lib and install them.  Once
1.184     christos  417:           the new libraries are installed, you can restart the build.
                    418:        4. If you compile packages and you notice link time warnings,
1.189     hubertf   419:           rebuild the required packages to update their shared libraries.
                    420:           Any package you rebuild will require rebuilding all the packages
                    421:           that depend on it.
1.186     christos  422:        5. Next time you run pwd_mkdb with the new binary, the file
                    423:           will be upgraded and it will not be backwards compatible.
1.190     apb       424:        6. The utmpx/wtmpx files (/var/run/utmpx and /var/log/wtmpx, see
                    425:           lastlogx(5)) have been versioned, and there is a heuristic
1.241     wiz       426:           for utmp.  You are better off removing the old files after
1.190     apb       427:           upgrading.  The automated clearing of /var/run during
                    428:           boot, and the automated rotating of files in /var/log by
                    429:           newsyslog(8), may mean that you do not have to remove the
                    430:           files manually.
                    431:        7. The optional accounting file (/var/account/acct, see
                    432:           accton(8)) has not been versioned, and will need to be
                    433:           removed.  The automatic rotation of the accounting file by
                    434:           /etc/daily limits the bad consequences of failure to remove
                    435:           the file.
1.196     dholland  436:        8. Application software that writes time_t to binary files on
1.241     wiz       437:           disk will break or need attention.  Most notably: if you are
1.196     dholland  438:           using PostgreSQL < 8.4, you need to dump your databases,
                    439:           rebuild PostgreSQL with the new time_t, then restore.
1.185     jmcneill  440:
1.183     pgoyette  441: 20081219:
                    442:        config(1) has been updated, and one of the files it creates -
                    443:        swapnetbsd.o - has changed format.  You need to rebuild config
                    444:        (done automatically by build.sh) and then you need to rerun
                    445:        config on all kernel configuration files before rebuilding those
                    446:        kernels.
                    447:
1.181     cube      448: 20081205:
                    449:        If you build with MKX11=no, you should remove /etc/rc.d/xdm and
                    450:        /etc/rc.d/xfs from DESTDIR because those files were moved to the xetc
                    451:        set and will appear as extra files for MKX11=no update builds.
1.178     lukem     452:
1.179     tsutsui   453: 20081122:
1.182     tsutsui   454:        On i386, various kernel options(4) in GENERIC including
1.180     wiz       455:        file systems have been disabled and moved into kernel modules.
                    456:        Before trying a new GENERIC kernel, you have to prepare the
1.179     tsutsui   457:        following files as well as a new GENERIC kernel:
                    458:
                    459:        - build and install kernel modules from src/sys/modules
                    460:
                    461:        - install the latest bootloader, which will load a module
1.180     wiz       462:          for the file system from which the kernel is loaded automatically
1.179     tsutsui   463:
1.180     wiz       464:        If you have to load your kernel from a file system which is not of
                    465:        the same type as the root file system, you have to load the necessary
                    466:        file system module manually on the boot prompt or in the boot.cfg file.
1.179     tsutsui   467:
1.178     lukem     468: 20080827:
                    469:        If you built and installed a libc from sources between
                    470:        2008/08/20 and 2008/08/26 you got a broken strtouq(3)
                    471:        which results in false errors reported by lint(1).
                    472:        Since this breaks the libc build itself, manual help is
1.180     wiz       473:        needed -- lint must be disabled temporarily, e.g.:
1.178     lukem     474:          $ (cd lib/libc && make MKLINT=no dependall install)
                    475:
1.177     christos  476: 20080813:
                    477:        MKDEBUG build was broken because the .depend files did not know
1.241     wiz       478:        about .go files.  You need to remove all .depend files and rebuild.
1.177     christos  479:
1.200     dholland  480: 20080802:
                    481:        A regression in binary compatibility for pthread_mutex_t has
1.241     wiz       482:        been fixed.  Unfortunately, the price is breaking compatibility
1.200     dholland  483:        for -current.
                    484:
                    485:        Threaded programs (using libpthread) and C++ programs (using
                    486:        libstdc++) compiled after 20070907 and before 20080802 need to
                    487:        be recompiled.
                    488:
                    489:        One way to find affected pkgsrc packages:
                    490:
                    491:          $ grep REQUIRES=/usr/lib/libpthread /var/db/pkg/*/+BUILD_INFO
                    492:          $ grep REQUIRES=/usr/lib/libstdc++ /var/db/pkg/*/+BUILD_INFO
                    493:
1.175     simonb    494: 20080731:
                    495:        WAPBL (metadata journaling support) has been added, but at this
                    496:        time isn't backwards compatible with pre-WAPBL aware kernels
                    497:        and userland (fsck_ffs in particular).  Please make sure you
                    498:        don't use a journaled filesystem with an older kernel/userland,
1.176     simonb    499:        especially an uncleanly mounted journaled filesystem.  WAPBL
                    500:        also requires the super block to be in the UFS2 format.  You
                    501:        can use fsck_ffs -c 4 to update the superblock format.
1.175     simonb    502:
1.174     lukem     503: 20080721:
                    504:        Assembler warnings are now fatal if $WARNS>0 and $NOGCCERROR
                    505:        isn't defined.
                    506:
1.173     freza     507: 20080531:
1.241     wiz       508:        The ioctl number of DRVSUSPENDDEV command on /dev/drvctl changed
                    509:        from 125 (conflicted with DRVCTLCOMMAND) to 129.  The drvctl(8)
1.173     freza     510:        utility needs to be rebuilt and reinstalled as older binaries
1.241     wiz       511:        won't work correctly.  The following sequence of commands:
1.173     freza     512:
                    513:          $ (cd sys/sys/ && nbmake-$arch includes)
                    514:          $ (cd sbin/drvctl/ && nbmake-$arch clean)
                    515:          $ (cd sbin/drvctl/ && nbmake-$arch all)
                    516:
                    517:        leaves new drvctl utility in sbin/drvctl build directory.
                    518:
1.172     lukem     519: 20080503:
                    520:        The <bsd.lib.mk> variable MKPRIVATELIB was renamed to LIBISPRIVATE.
                    521:
1.171     he        522: 20080521:
                    523:        For a while, unprivileged UPDATE builds would fail to
                    524:        succeed at the checkflist stage, complaining that
                    525:        ${DESTDIR}/stand/<arch>/ did not exist.  A fix for this
                    526:        problem was committed to share/mk/bsd.kmodule.mk, revision 1.9.
                    527:        If you already hit this problem, update the .mk file,
                    528:        remove ${DESTDIR}/stand/<arch>, and re-run the build.
                    529:
1.174     lukem     530: 20080303:
                    531:        Linker warnings are now fatal if $WARNS>0.
                    532:
1.170     christos  533: 20080126:
                    534:        The posix_fadvise system call has been changed from an assembly
1.241     wiz       535:        stub, to a c file that calls an assembly stub.  You need to
1.170     christos  536:        'rm -f posix_fadvise.* .depend' in the libc build directory to
                    537:        avoid using the old assembly stub.
                    538:
1.168     joerg     539: 20071209:
1.241     wiz       540:        The acpiec(4) driver has been split into two attachments.  If you
1.168     joerg     541:        get ACPI errors before the attachment, please update your kernel
1.169     wiz       542:        configuration file appropriately or see GENERIC for more details.
1.168     joerg     543:
1.166     xtraeme   544: 20071115:
                    545:        The it(4) driver has been renamed to itesio(4) and the old port
                    546:        argument specified in the kernel configuration file is not valid
1.241     wiz       547:        anymore.  The itesio(4) driver now uses the Super I/O address port
                    548:        rather than the EC address port.  Please update your kernel
1.167     wiz       549:        configuration file appropriately or see GENERIC for more details.
1.166     xtraeme   550:
1.165     jmmv      551: 20071028:
                    552:        The pccons(4) driver has been removed from the NetBSD/shark port.
                    553:        You need to update any custom kernel configuration file you have
                    554:        to remove any references to pccons (which includes removing the
                    555:        now useless XSERVER option) and replace them with the correct
                    556:        entries for the wscons driver.  See the GENERIC configuration file
                    557:        for more details.
                    558:
1.164     gdt       559: 20070913:
                    560:        A latent bug in dhclient/dhcpd that caused it to be unable to
                    561:        enumerate interfaces was fixed.  The bug began to cause
                    562:        problems after 20070911 when the kernel's SIOCGIFCONF
                    563:        implementation was repaired.  From 20070529 to 20070911 racoon
                    564:        could not enumerate interfaces.  (These are noted because
                    565:        normal kernel/userspace version matching hygiene is not
                    566:        sufficient to avoid this problem.)  Ensure that both kernel
                    567:        and userland are from after 20070913.
                    568:
1.163     joerg     569: 20070703:
1.241     wiz       570:        nbinstall has been renamed ${MACHINE_GNU_ARCH}-install.  It
1.199     dholland  571:        calls the target-specific strip program, and the logic to pass
                    572:        down STRIP from make has been removed.  This requires a
                    573:        re-installation of tools.
1.163     joerg     574:
1.161     dsl       575: 20070422:
                    576:        The way OS emulations lookup filenames inside the emulation root
                    577:        has been changed.  Rather than modify the pathname (and copy back
                    578:        to userspace) namei() and lookup() directly check the emulation
1.241     wiz       579:        root.  One side effect is that absolute symlinks inside the emulated
1.167     wiz       580:        root file system will be relative to that file system - unless they
1.161     dsl       581:        start /../ this is useful when the emulated root is a real install
                    582:        that has such links.
                    583:        This might affect symlinks that have been added to reference outside
                    584:        the emulated root.
                    585:
1.160     jmcneill  586: 20070412:
1.241     wiz       587:        The pckbc driver on sgimips IP32 has been removed.  Use macekbc
                    588:        instead.  See the GENERIC32_IP3x kernel configuration for an
1.160     jmcneill  589:        example.
                    590:
1.159     gdt       591: 20070319:
                    592:         src/lib/libc/Makefile revision 1.129 broke libc and ld.elf_so
                    593:         on many platforms due to incorrect flags settings.  If you
                    594:         updated and built after about 20070315, do "nbmake-$arch
                    595:        cleandir" in src/lib/libc and src/libexec/ld.elf_so to force a
                    596:        rebuild of object files that might have been built
                    597:        incorrectly, and ensure that you have at least
                    598:        src/lib/libc/Makefile 1.130.
                    599:
1.241     wiz       600: 20070210:
1.158     dbj       601:         src/sys/sys/{sa.h,savar.h} were removed.
                    602:           find ${OBJDIR} \( -name .depend -o -name '*.d' \) -print \
                    603:               | xargs egrep -l '/sa.h|/savar.h' | xargs rm
                    604:         will allow dependencies on those files to get get rebuilt
                    605:
1.157     apb       606: 20070209:
                    607:         The threading model was changed when the newlock2 branch
                    608:         was merged to NetBSD-current.  If you boot with a new
                    609:         kernel (version 4.99.10), then you also need a new pthread
                    610:         library (/usr/lib/libpthread.so.0.7).  If you boot with
                    611:         an old kernel, then you need the old pthread library
                    612:         (/usr/lib/libpthread.so.0.6).  Provided you keep the kernel and
                    613:         the pthread library in sync, old threaded applications should
                    614:         continue to work with an old or new kernel.  Note that named(8)
                    615:        is the only threaded application in the base system.
                    616:
1.154     he        617: 20061214:
                    618:        Following the move of string_to_flags() and flags_to_string()
                    619:        from the bin/ls/ sources to libutil, users doing UPDATE builds
                    620:        will need to do a "make cleandir" in
                    621:                tools/mtree/, tools/makefs/, tools/binstall/, tools/pax/,
                    622:                bin/pax/, bin/ls/, usr.sbin/mtree/, usr.sbin/makefs/,
1.156     he        623:                usr.bin/xinstall/, libexec/ftpd/, rescue/, as well
                    624:                as the installation images in distrib/
1.154     he        625:        in order to excise stale references to the old stat_flags.h header
                    626:        file in the ls sources -- stat_flags.h has been removed.
                    627:
1.152     christos  628: 20061108:
                    629:        The configure script used in the src/tools/gcc compiler has been
                    630:        changed to indicate that our libc has ssp support built-in and
1.241     wiz       631:        does not depend on -lssp and -lssp-nonshared.  You'll need to
1.152     christos  632:        make clean in src/tools/gcc first to rebuild the compiler.
                    633:
1.151     rpaulo    634: 20061009:
                    635:        The sysctl variables net.inet{,6}.tcp{,6}.newreno are no longer
1.241     wiz       636:        available.  Use net.inet{,6}.tcp{,6}.congctl.selected instead.
1.151     rpaulo    637:
1.150     bjh21     638: 20060814:
                    639:        The vt, vidcconsole, kbd, and rpckbd drivers on acorn32 have been
                    640:        withdrawn.  Use vidcvideo and pckbd instead.  See the GENERIC
                    641:        kernel configuration for an example.  X servers from the last
                    642:        few years should cope.
                    643:
1.149     christos  644: 20060703:
1.241     wiz       645:        MPACPI is no more.  We always configure PCI interrupts using ACPI
                    646:        if we have an ACPI kernel.  The option MPACPI_SCANPCI has been renamed
                    647:        to ACPI_SCANPCI.  Thanks to work from fvdl.
1.149     christos  648:
1.148     dogcow    649: 20060627:
                    650:        socket(2) has changed, and its system call has been versioned.
                    651:        For userlands with the old version of socket(2), make sure that
                    652:        your kernel has 'options COMPAT_30' set, or else 'bad system call'
                    653:        errors will result.
                    654:
1.1       abs       655: Hints for a more successful build:
                    656: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
1.123     jmc       657:     Use build.sh, but do not use its "expert mode":
1.132     jmmv      658:        This will automatically build the tools in the
1.123     jmc       659:           correct order, and it will keep the tools and the
                    660:           new build products from interfering with the running
                    661:           system.  This will allow you to ignore most of the
                    662:           other advice in this file.
1.2       mrg       663:     Build a new kernel first:
                    664:        This makes sure that any new system calls or features
                    665:           expected by the new userland will be present.  This
                    666:           helps to avoid critical errors when upgrading.
1.1       abs       667:     Use object directories:
                    668:        This helps to keep stale object
                    669:           files from polluting the build if a Makefile "forgets"
                    670:           about one.  It also makes it easier to clean up after
                    671:           a build.  It's also necessary if you want to use the
                    672:           same source tree for multiple machines.
1.123     jmc       673:           To use object directories with build.sh:
                    674:            a) invoke build.sh with the "-M" or "-O" options.
                    675:           To use object directories without using build.sh:
1.1       abs       676:            a) cd /usr/src ; make cleandir
1.2       mrg       677:            b) Add "OBJMACHINE=yes" to /etc/mk.conf
                    678:            c) Add "MKOBJDIRS=yes" to /etc/mk.conf
1.1       abs       679:            d) cd /usr/src ; make build
1.2       mrg       680:           Note that running "make obj" in a directory will create
                    681:           in obj.$MACHINE directory.
1.1       abs       682:     Build to a DESTDIR:
1.123     jmc       683:        This helps to keep old installed files (especially libraries)
                    684:           from interfering with the new build.
                    685:           To build to a DESTDIR with build.sh, use the "-D" option.
                    686:           To build to a DESTDIR without using build.sh, set the DESTDIR
                    687:           environment variable before running make build.  It should be
                    688:           set to the pathname of an initially empty directory.
                    689:           Problems: if you do not use build.sh, you might need to
                    690:                update critical utilities without using DESTDIR since
                    691:                nothing is executed from what is installed in DESTDIR.
                    692:                (See critical utils, below.)
1.1       abs       693:     Build often:
                    694:        This keeps critical utilities current enough to not choke
                    695:        on any other part of the source tree that depends on up to
1.123     jmc       696:        date functionality.  If you use build.sh, you should not have
                    697:        this problem.
1.241     wiz       698:
1.1       abs       699: What to do if things don't work:
                    700: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
1.230     tls       701: When things don't work there are usually a few things that commonly
1.1       abs       702: should be done.
                    703:     1) make includes
                    704:        This should be done automatically by make build.
                    705:     2)  cd share/mk && make install
                    706:        Again, automatically done by make build.
                    707:
                    708: Failsafe rebuild of a small part of the tree:
                    709: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                    710: To make sure you rebuild something correctly you want to do
                    711: something like the following:
                    712:     1)  Make sure the includes and .mk files are up to date.
                    713:     2)  Make sure any program used to build the particular
                    714:        utility is up to date.  (yacc, lex, etc...)
                    715:     3)  cd ...path/to/util...
                    716:        make cleandir
                    717:        rm ...all obj directories...
                    718:        make cleandir                   # yes, again
                    719:        make obj
                    720:        make depend && make
                    721:
                    722: Failsafe rebuild of the entire tree:
                    723: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                    724: If you really want to make sure the source tree is clean and
1.2       mrg       725: ready for a build try the following.  Note that sourcing /etc/mk.conf
                    726: (a make(1) Makefile) in this manner is not right, and will not work
                    727: for anyone who uses any make(1) features in /etc/mk.conf.
1.1       abs       728:
                    729: ---cut here---
                    730: #!/bin/sh
                    731: . /etc/mk.conf
                    732:
1.58      lukem     733: if [ -z $NETBSDSRCDIR ] ; then
                    734:     NETBSDSRCDIR=/usr/src
1.1       abs       735: fi
1.58      lukem     736: if [ \! -d $NETBSDSRCDIR ] ; then
1.1       abs       737:     echo Unable to find sources
                    738:     exit 1
                    739: fi
1.58      lukem     740: find $NETBSDSRCDIR -name \*.o -o -name obj.\* -o -name obj -exec rm \{\} \;
1.1       abs       741:
                    742: if [ -z $BSDOBJDIR ] ; then
                    743:     BSDOBJDIR=/usr/obj
                    744: fi
                    745: if [ -d $BSDOBJDIR ] ; then
                    746:     rm -rf $BSDOBJDIR
                    747: fi
                    748:
1.58      lukem     749: cd $NETBSDSRCDIR && make cleandir
1.1       abs       750:
                    751: ---cut here---
                    752:
                    753: Critical utilities:
                    754: ^^^^^^^^^^^^^^^^^^^
1.3       itojun    755:        usr.bin/compile_et
1.1       abs       756:        usr.bin/make
                    757:        usr.bin/yacc
                    758:        usr.bin/lex
1.11      lukem     759:        usr.bin/xlint
1.142     drochner  760:        usr.bin/config
1.1       abs       761:
1.34      simonb    762: Other problems and possible solutions:
1.1       abs       763: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                    764: Symptom:Complaints involving a Makefile.
1.17      erh       765: Fix:   Rebuild usr.bin/make:
                    766:        cd usr.bin/make && make && make install
1.111     simonb    767:        Or, a failsafe method if that doesn't work:
1.17      erh       768:        cd usr.bin/make && cc *.c */*.c -I . -o make && mv make /usr/bin
                    769:
1.1       abs       770: Fix:   Make sure .mk files are up to date.
                    771:        cd share/mk && make install
1.2       mrg       772:
                    773: Symptom:Kernel `config' fails to configure any kernel, including GENERIC.
1.142     drochner  774: Fix:   Rebuild usr.bin/config
1.1       abs       775:
                    776: Symptom:
                    777: Fix:   Rebuild usr.bin/yacc
                    778:
                    779: Symptom:
                    780: Fix:   Rebuild usr.bin/lex
                    781:
                    782: Symptom:
                    783: Fix:   rm /usr/lib/libbfd.a
1.4       itojun    784:
                    785: Symptom:Obsolete intermediate files are used during compilation
                    786: Fix:   Try the following sequence of commands in the directory in question.
                    787:        make cleandir; rm `make print-objdir`; make cleandir; make obj
                    788:        (If you built the tree without "make obj" in the past, obsolete files
                    789:        may remain.  The command tries to clean everything up)
1.5       wiz       790:
1.207     mbalmer   791: Symptom:.../sysinst/run.c:xx: warning: initialization from incompatible
                    792:        pointer type
1.5       wiz       793: Fix:   Rebuild and install usr.bin/menuc
1.12      itojun    794:
                    795: Symptom:mklocale not found during build in share/locale/ctype
                    796: Fix:   Build and install usr.bin/mklocale
1.13      dogcow    797:
1.86      kleink    798: Symptom:undefined reference to `__assert13' or `__unsetenv13'
1.13      dogcow    799: Fix:    Rebuild and install lib/libc
                    800:
1.142     drochner  801: Symptom:usr.bin/config fails to build.
1.19      cgd       802: Fix:   Try building with -DMAKE_BOOTSTRAP added to CFLAGS in Makefile.
1.13      dogcow    803:
1.19      cgd       804: Symptom:undefined reference to `getprogname' or `setprogname'
                    805: Fix:    Rebuild and install lib/libc
1.24      abs       806:
                    807: Symptom:lint does not understand the '-X' option
                    808: Fix:    May need to build & install libs with NOLINT=1 before rebuilding lint
1.223     joerg     809:
                    810: Symptom:Update build fails in src/tools/gcc complaining that a variable
                    811:        (e.g. CPPFLAGS) has changed since the previous run.
                    812: Fix:    Run "nbmake-${ARCH} clean" in src/tools/gcc or do a clean build.
1.257     apb       813:
                    814: Symptom:cvs [update aborted]: cannot open directory /cvsroot/src/...:
                    815:        No such file or directory.
                    816: Cause: If a directory is created by mistake, then it is sometimes
                    817:        deleted from the CVS repository using administrative commands
                    818:        that bypass the normal cvs access controls.  If your cvs working tree
                    819:        contains references to a directory that has been deleted on the
                    820:        server in this way, then "cvs update" reports this error.
                    821: Fix:   Recursively delete the affected directory from your working tree
                    822:        and try the update again.

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