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Annotation of src/UPDATING, Revision 1.291.2.1

1.291.2.1! pgoyette    1: $NetBSD: UPDATING,v 1.292 2018/03/11 11:18:06 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:
1.291.2.1! pgoyette   22: 20180311:
        !            23:        bdftopcf was updated and may need cleaning in the
        !            24:        src/external/mit/xorg/tools/bdftopcf subdirectory if there are
        !            25:        link errors.
        !            26:
1.291     mrg        27: 20180212:
                     28:        between OpenSSL and GCC updates, many things may fail to build.
                     29:        any failure that looks like GCC or openssl is best handled by
                     30:        a clean destdir and objdir.  Full cleandir and destdir deletion
                     31:        is recommended if build failures occur.
                     32:
1.288     martin     33: 20171225:
                     34:        removal of the vadvise syscall requires manual removal of all
                     35:        associated files from the libc build object directory (including
1.289     christos   36:        the .depend files) - a command like:
1.288     martin     37:                cd $OBJ && find . -type d -name libc | xargs rm -rf
1.289     christos   38:        For architectures that support multiple "compat" binary targets,
                     39:        you'll need to cleanup both the regular libc directory and the
1.290     martin     40:        compat ones (the above command will do that).
1.288     martin     41:
1.287     kre        42: 20171010:
                     43:        a change to the build structure of external/bsd/acpica/bin/iasl
                     44:        means that its objdir (or *.d and .depend at least) might need
                     45:        to be manually removed - or a build done once without -u.
                     46:
1.286     mrg        47: 20170822:
                     48:        a new version of GMP has been imported and probably
                     49:        will break parts of builds related to themselves or GCC, both
                     50:        in the tools and the native section.  Remove all GCC, GMP, MPFR
                     51:        and MPC objdirs or build once without -u.
                     52:
1.285     mrg        53: 20170816:
                     54:        a new version of MPFR and MPC have been imported and probably
                     55:        will break parts of builds related to themselves or GCC, both
                     56:        in the tools and the native section.  Remove all GCC, GMP, MPFR
                     57:        and MPC objdirs or build once without -u.
                     58:
1.284     martin     59: 20170402:
                     60:        a new version of dhcpcd has been imported, which does not support
                     61:        update builds from the previous version. Remove your
                     62:        external/bsd/dhcpcd object dir or build once without -u.
                     63:
1.281     roy        64: 20170211:
                     65:        a new terminfo database has been imported.
                     66:        The structure of it has changed slightly from prior versions and
                     67:        an updated tic tool is required.
                     68:        If you build.sh, don't use -u
                     69:
1.280     kre        70: 20170207:
1.278     kre        71:        various arch dependent libc/exect.S files were removed
1.279     kre        72:        Either remove the obj directories (lib/libc and compat/amd64/i386/lib
                     73:        if it exists) or do a clean build.
                     74:        (This is a bug in the make system, it should be corrected without
                     75:        human intervention, but isn't.)
1.278     kre        76:
1.277     martin     77: 20170104:
                     78:        xinput build options have changed.
                     79:        Remove the obj directory (external/mit/xorg/bin/xinput)
                     80:        if you build.sh -u
                     81:
1.276     martin     82: 20170103:
                     83:        a new version of flex has been imported.
                     84:        Remove the file from obj (external/bsd/flex)
                     85:        if you build.sh -u
                     86:
1.275     spz        87: 20161014:
                     88:        a new version of OpenSSL has been imported.
                     89:        Remove the files from obj (crypto/external/bsd/openssl)
                     90:        if you build.sh -u
                     91:
1.274     martin     92: 20161009:
                     93:        a new version of dhcpcd has been imported with slightly changed
                     94:        build infrastructure. When doing a build.sh -u this requires
                     95:        pruning the external/bsd/dhcpcd objdir.
                     96:
1.273     mrg        97: 20160914:
                     98:        i386, amd64, shark, ofppc and macppc have joined shark and x68k
                     99:        ports in using xorg-server 1.18. This requires a clean destdir
                    100:        and a clean objdir.
                    101:
1.272     dholland  102: 20160527:
                    103:        i386 needs a full cleandir or objdir deletion because PIE has
                    104:        been enabled. (see the amd64 entry two down for further info)
                    105:
1.270     christos  106: 20160418:
                    107:        libedit needs manual removal of all autogenerated files since
1.271     christos  108:        some of them are not autogenerated anymore. Remember that there
                    109:        might be two copies of libedit if your platform builds "compat".
1.270     christos  110:
1.268     riastrad  111: 20160410:
                    112:        amd64 needs full "make cleandir" or deletion of objdir now that
                    113:        PIE has been enabled for amd64.  PIE, or position-independent
                    114:        executables, means all code, including executables and not just
                    115:        shared libraries, is position-independent and hence able to be
                    116:        relocated by ASLR, address space layout randomization.
                    117:
                    118:        The change was made in Makefile variables for compiler and
                    119:        linker flags, for which make(1) does not record dependencies,
                    120:        hence it is unable to detect that all .o files need rebuilding.
                    121:
                    122:        Partial rebuilds with some modified source files will likely
                    123:        fail when linking executables, since the linker refuses to mix
                    124:        position-independent code with position-dependent code in
                    125:        position-independent executables:
                    126:
                    127:                .../x86_64--netbsd/bin/ld: foo.o: relocation R_X86_64_32 against `...' cannot be used when making a shared object; recompile with -fPIC
                    128:
1.267     mrg       129: 20160401:
                    130:        Ports switching to GCC 5.3 will need a full "make cleandir".
1.269     dholland  131:        Some people have found that cleandir is not sufficient, so if
                    132:        in doubt delete the entire object directory tree for gcc.
1.267     mrg       133:
1.266     aymeric   134: 20160306:
1.265     aymeric   135:        NetBSD's regexp implementation is now part of libnbcompat.
                    136:        Nblex, nbm4, nbpax, nbsed use it and they may crash on
                    137:        non-NetBSD hosts if linked with stale object files produced
                    138:        while they included a non-NetBSD regex.h.
                    139:        In any case, you should "make cleandir" at least these tools
                    140:        before updating your toolchain.
                    141:
1.264     martin    142: 20160125:
                    143:        Dtrace has been enabled by default on some architectures.
                    144:        When doing an update build, make sure to clean the etc/mtree
                    145:        object directory before starting the build - otherwise the
                    146:        needed directories in destdir will not be created.
                    147:        An easy way to do this is:
                    148:           cd src/etc/mtree && $TOOLDIR/bin/nbmake-$arch cleandir
                    149:
1.263     dholland  150: 20150818:
                    151:        New acpica requires "make cleandir" in src/external/bsd/acpica
                    152:        again.
                    153:
1.262     christos  154: 20150413:
                    155:        New acpica requires "make cleandir" and reinstalling yacc
                    156:        in /usr/src/external/bsd/byacc and /usr/src/tools/yacc and
                    157:        also "make cleandir" in /usr/src/external/bsd/acpica.
                    158:
1.261     martin    159: 20150404:
                    160:        Lint changes require a full rebuild of the tool, so make
                    161:        sure to build without -u option to build.sh, or manually
                    162:        do a make cleandir in src/tools/lint1 and
                    163:        src/usr.bin/xlint.
                    164:
1.260     skrll     165: 20150310:
                    166:        Improvements to openssl for arm mean that update builds of
                    167:        the openssl libraries will fail. A make cleandir in
                    168:        external/bsd/openssl/lib is needed
                    169:
1.258     martin    170: 20141026:
1.259     msaitoh   171:        A mishap during the import of pppd may cause your corruption
1.258     martin    172:        in your cvs directory if you happened to do a cvs update
                    173:        during a short period of time. To fix, just remove the
                    174:        directory src/external/bsd/ppp/dist/pppd completely
                    175:        and let cvs restore it on next update.
                    176:
1.256     apb       177: 20140721:
                    178:        The src/external/mit/lua/src directory was accidentally created
                    179:        and then deleted in the CVS repository.  If you get errors like
                    180:
                    181:        cvs [update aborted]: cannot open directory
                    182:        /cvsroot/src/external/mit/lua/src: No such file or directory
                    183:
                    184:        then delete your local copy of that directory tree and try again.
                    185:
1.255     joerg     186: 20140530:
                    187:        ARM eABI switched to DWARF based exception handling. This requires
                    188:        rebuilding all C++ code. It is strongly advised to do a clean build.
                    189:
1.251     martin    190: 20140131:
1.253     joerg     191:        The new compiler_rt/libc integration moved a few things. It is strongly
1.254     skrll     192:        advised to do a clean build. At least lib/libc, the compat version(s)
1.253     joerg     193:        of libc, libkern, rump and the kernels need to be cleaned.
1.251     martin    194:
1.250     christos  195: 20131227:
                    196:        1. The new ntpd runs in a restricted mode to prevent amplification
                    197:           attacks. If you need ntpdc to work you need to explicitly enable
                    198:           mode7 in your config file. Make sure you put the necessary restrict
                    199:           statements to avoid being exposed.
                    200:        2. strncat has moved from lib/libc to common/lib/libc; you might need
                    201:           to make clean in libc
                    202:
1.249     mrg       203: 20131129:
                    204:        The GMP sources were updated, and builds will likely fail without
                    205:        cleaning their build trees for both tools and in-tree, like below.
                    206:
1.248     mrg       207: 20131128:
                    208:        The MPC and MPFR sources were updated, and builds may require their
                    209:        tools and in-tree directories cleaned for successful updates.
                    210:
1.246     martin    211: 20130605:
1.247     spz       212:        The kernel option FAST_IPSEC no longer exists, it's been renamed
                    213:        to IPSEC (and the older IPSEC version removed).
                    214:
                    215: 20130605:
1.246     martin    216:        Previous freetype installations eroneously installed private
                    217:        header files. If you are building against a non-empty $DESTDIR,
                    218:        please remove ${DESTDIR}//usr/X11R7/include/freetype2/freetype/.
                    219:
1.245     mrg       220: 20130531:
                    221:        The xdm update may cause build failure due to xdm.man being
                    222:        in the obj tree.  Make sure to ensure any like this:
                    223:                nbmake: nbmake: don't know how to make xdm.man. Stop
                    224:        is fixed by deleting the xdm.man in the obj tree.
                    225:
1.244     mrg       226: 20130530:
                    227:        Updates of many xsrc packages will leave old .pc files around.
                    228:        Best to clean out the xsrc objdir entirely before rebuilds.
                    229:
1.242     christos  230: 20130301:
                    231:        The removal of netiso requires manual removal of /usr/include/netiso
1.243     christos  232:        prior to the build and make cleandir in /usr/src/usr.bin/{ktruss,kdump}
1.242     christos  233:
1.238     dholland  234: 20120726:
1.241     wiz       235:        The update of OpenSSL requires cleaning both the OpenSSL build
                    236:        directory and DESTDIR.  *Even non-update builds require cleaning
1.240     dholland  237:        DESTDIR.* Builds done without taking these steps may fail, or in
1.241     wiz       238:        some cases may succeed and install broken OpenSSL libraries that
1.240     dholland  239:        cause third-party software to link incorrectly and/or crash.
1.238     dholland  240:
1.237     wiz       241: 20120507:
1.241     wiz       242:        The database schema for makemandb was changed.  You will
1.237     wiz       243:        need to update the database using 'makemandb -f' or wait
                    244:        for the next weekly run to fix it.
                    245:
1.236     bsh       246: 20120319:
                    247:        sys/conf/Makefile.kern.inc has been modified to adjust the
                    248:        size of db_symtab automatically.  You need to update dbsym in
                    249:        your $TOOLDIR to build kernels with options SYMTAB_SPACE.  If
                    250:        you don't want this behavior, add AUTO_SYMTAB_SPACE=no to your
                    251:        mk.conf.
                    252:
1.235     joerg     253: 20120216:
1.241     wiz       254:        Default for MKCATPAGES changed to NO.  Update builds will fail
                    255:        unless DESTDIR is cleaned manually.  If you built between 20120207
1.239     dholland  256:        and 20120216, daily and weekly could have created an unreadable
1.241     wiz       257:        /var/db/man.db index for apropos.  Running makemandb -f or
1.235     joerg     258:        the next run of weekly will fix it.
1.233     joerg     259:
1.232     christos  260: 20111227:
                    261:        If you built between 20111225 and 20111227 you need to remove
                    262:        /usr/lib/libpam.so.4* and /usr/lib/security/*.so.4, since the
                    263:        bump has been reverted.
                    264:
1.231     tls       265: 20111125:
                    266:        The "rnd" pseudodevice has been added to sys/conf/std, which
                    267:        means it should no longer be explicitly listed in kernel
                    268:        configuration files.  The line "pseudo-device rnd" should be
                    269:        removed from any custom kernel config files users may have.
                    270:
1.230     tls       271: 20111119:
                    272:        A problem with the datastructures used by the rndctl(8)
                    273:        utility (pointers in datastructures in an array, making 32->64
                    274:        bit compatibility very painful) has been fixed in a
                    275:        non-backwards-compatible way.  If you replace your kernel,
                    276:        replace your rndctl executable too.
1.241     wiz       277:
1.229     jym       278: 20111001:
                    279:        the prop_*_send_syscall() functions from proplib(3) have been
                    280:        changed and their new version is not backward compatible with the old
1.241     wiz       281:        one.  So ensure that all consumers of these functions (currently:
1.229     jym       282:        quota2 code and its tests) are updated together with the new lib.
                    283:
1.228     mrg       284: 20110817:
                    285:        sparc has been changed to use GCC 4.5.3, so any objdir or
                    286:        DESTDIR for them should be deleted before updating.
                    287:
1.227     riastrad  288: 20110806:
                    289:        i386 and amd64 have been changed to use GCC 4.5.3, so any
                    290:        objdir or DESTDIR for them should be deleted before updating.
                    291:
1.226     mrg       292: 20110805:
                    293:        The update to GCC 4.5.3 requires a non-trivial portion of
                    294:        the tree to be cleaned.  Best to delete both objdir and
                    295:        DESTDIR before running this update.  So far, only the
                    296:        sparc64, mips and powerpc platforms have changed.
                    297:
1.225     matt      298: 20110803:
1.241     wiz       299:        The layout of external/public-domain/xz has changed.  To do an
1.225     matt      300:        update build you will have to remove the contents of the OBJDIR
                    301:        for external/public-domain/xz/bin by hand as the xz entry there
                    302:        is now a directory.
                    303:
1.223     joerg     304: 20110410:
1.241     wiz       305:        The configuration of src/tools/gcc has changed.  To do an
1.224     dholland  306:        update build you have to clean both tools/binutils and
                    307:        tools/gcc by hand.
1.223     joerg     308:
1.222     plunky    309: 20110328:
                    310:        Building the Xorg binary was moved into a subdirectory to fix
1.241     wiz       311:        ordering issues with "make all".  It may be necessary to remove
1.222     plunky    312:        the OBJDIR for external/mit/xorg/server/xorg-server/hw/xfree86
                    313:        if your update build fails, as the "Xorg" entry there is now a
                    314:        directory.
                    315:
1.220     joerg     316: 20110121:
1.221     lukem     317:        Assembler files no longer use -traditional-cpp.  This can break
1.220     joerg     318:        the build of individual parts of the tree.  This is handled
                    319:        correctly by build.sh.  Manual builds have to update /usr/share/mk
                    320:        and re-run config(1) for any kernel configurations as needed.
1.218     joerg     321:
1.217     jruoho    322: 20101217:
                    323:        The tcpdump(8) program was changed to drop privileges and chroot(2)
1.241     wiz       324:        by default.  It may be necessary to manually update passwd(5) and
1.217     jruoho    325:        group(5) in order to make the program work with existing setups.
                    326:
1.216     christos  327: 20101125:
                    328:        The latest changes to setenv(3) dissallow setting environment
1.241     wiz       329:        variables with names that contain '='.  Revision 1.18 of env.c
                    330:        assumed that this was allowed.  Installing a new libc with an
1.216     christos  331:        old copy of /usr/bin/env causes env x=1 printenv | grep x= to
                    332:        break which affects the autoconf tests for dependency finding,
                    333:        so building gcc will end up printing:
                    334:            checking dependency style of gcc... none
                    335:            configure: error: no usable dependency style found
                    336:        Fix it by rebuilding and re-installing env.
1.138     lukem     337:
1.215     mrg       338: 20101119:
                    339:        Recent Xorg updates in xsrc/external/mit/ may cause various build
                    340:        or run-time problems.  Delete your entire DESTDIR and OBJDIR if you
                    341:        have any build problems with xsrc, or problems with mismatched
                    342:        versions between xorg-server and drivers.
                    343:
1.213     jmmv      344: 20100604:
                    345:        The update of ATF to 0.9 causes old tests written in shell to fail
                    346:        unless they are rebuilt.  If you are building with MKUPDATE=yes,
                    347:        you need to clean the src/external/bsd/atf/tests/ and the src/tests/
                    348:        trees by hand.
                    349:
1.211     tnozaki   350: 20100522:
1.212     mrg       351:        Recent Xorg updates in xsrc/external/mit/ will cause various build
                    352:        problems.  Delete your entire DESTDIR and OBJDIR if you have any
                    353:        build problems with xsrc.
                    354:
                    355: 20100522:
1.211     tnozaki   356:        private section of <ctype.h> was splitted, and now mklocale(1)
1.214     dholland  357:        include ctype_local.h, so you have to make cleandir in tools/mklocale.
1.211     tnozaki   358:
1.210     christos  359: 20100520:
1.241     wiz       360:        The location of the xkb compiled descriptions has changed.  Please
1.210     christos  361:        remove usr/X11R7/lib/X11/xkb/compiled from your $DESTDIR.
                    362:
1.209     njoly     363: 20100222:
                    364:        The shared objects file extension has been changed from .so to
                    365:        .pico, in order to avoid conflicts with shared libraries names
                    366:        libXX.so.  All now stale regular .so files can be removed from
                    367:        your object directories.
                    368:
1.208     roy       369: 20100204:
                    370:        The termcap database has been removed from the sources,
                    371:        but has not been marked obsolete so it is not removed
                    372:        from the system when upgrading.
                    373:        As such, you will need to remove them from your object
                    374:        and destination directories.
                    375:
1.203     dyoung    376: 20091101:
1.205     dholland  377:         After updating, it may be necessary to make the 'cleandir'
                    378:         target in src/tools/yacc/ and in src/usr.bin/yacc/ before a
                    379:         'build.sh -u tools' or 'build.sh -u distribution'.  Ditto
                    380:         src/tools/lex/ and src/usr.bin/lex/.
1.203     dyoung    381:
1.202     mrg       382: 20091001:
1.206     dholland  383:        On amd64 you must rebuild tools (to get the new binutils)
                    384:        before building a kernel, or the build fails on cpufunc.S.
                    385:
                    386: 20091001:
1.202     mrg       387:        An error will create a ./usr/X11R7/lib/X11/xkb/compiled/xkb
                    388:        symlink, failing the build.  Delete the link, and the subdir
                    389:        it is in, and retry your build.
                    390:
1.201     dsl       391: 20090718:
                    392:        libc build changed so that strchr() provides the extra entry
1.241     wiz       393:        point for index().  Update build of libc.a (and libc_pic.a)
1.201     dsl       394:        may fail because the archive contains the unwanted index.o.
                    395:        (Similarly for strrchr() and rindex().)
                    396:
1.198     mrg       397: 20090709:
                    398:        Native Xorg was upgraded again.  Builds will probably fail again
                    399:        without a clean objdir, at least for src/external/mit/xorg.
                    400:
1.197     mrg       401: 20090616:
                    402:        Native Xorg was upgraded.  Builds will need a clean objdir for
                    403:        src/external/mit/xorg.  Upgrading a system from sets will not
                    404:        work properly yet as the /usr/X11R7/lib/X11/xkb/symbols/pc
                    405:        subdirectory has been changed into a file, and this needs to
                    406:        be manually "rm -r"'ed before installing xbase.tgz.
                    407:
1.195     perry     408: 20090501:
                    409:        Several new functions were added to string.h/libc, and this
                    410:        can cause autoconf problems during the tool build for people
1.241     wiz       411:        who fail to clean out their tools objects properly.  If you
1.195     perry     412:        note messages about stpcpy, stpncpy or strnlen accompanying a
                    413:        failure during the tool build, clean out all your tools
                    414:        objects and start again.
                    415:
1.194     mrg       416: 20090325:
                    417:        The i386 port was switched to i486 default toolchain.  This requires
                    418:        cleaning your src/tools directory and $TOOLDIR and rebuilding them.
                    419:
1.192     skrll     420: 20090126:
1.241     wiz       421:        The __posix_fadvise50 system call changed assembly stub type.  You
1.207     mbalmer   422:        need to 'rm -f __posix_fadvise50.*' in the libc build directory
                    423:        to avoid using the old assembly stub.
1.192     skrll     424:
1.191     joerg     425: 20090202:
                    426:        pkg_install now depends on the pkgdb cache for automatic conflict
                    427:        detection.  It is recommented to rebuild the cache with
                    428:        ``pkg_admin rebuild''.
                    429:
1.184     christos  430: 20090110:
1.241     wiz       431:        time_t and dev_t have been bumped to 64 bit quantities.  To upgrade:
                    432:        1. Make sure your kernel has COMPAT_50 in it.  Build and install.
1.188     christos  433:           This is needed even in the MODULAR kernel because there is
                    434:           conditionally compiled code in rtsock.c.
1.184     christos  435:        2. make sure build.sh completes and the binaries in a chroot work
                    436:           before installing.
                    437:        3. If you don't use build.sh and you build directly to root, and
1.241     wiz       438:           your build breaks in the middle, don't despair.  Make sure headers
1.184     christos  439:           are installed properly, and start building libraries first libc
                    440:           and libutil, install them and then continue building all the
1.241     wiz       441:           libraries in src/lib and src/gnu/lib and install them.  Once
1.184     christos  442:           the new libraries are installed, you can restart the build.
                    443:        4. If you compile packages and you notice link time warnings,
1.189     hubertf   444:           rebuild the required packages to update their shared libraries.
                    445:           Any package you rebuild will require rebuilding all the packages
                    446:           that depend on it.
1.186     christos  447:        5. Next time you run pwd_mkdb with the new binary, the file
                    448:           will be upgraded and it will not be backwards compatible.
1.190     apb       449:        6. The utmpx/wtmpx files (/var/run/utmpx and /var/log/wtmpx, see
                    450:           lastlogx(5)) have been versioned, and there is a heuristic
1.241     wiz       451:           for utmp.  You are better off removing the old files after
1.190     apb       452:           upgrading.  The automated clearing of /var/run during
                    453:           boot, and the automated rotating of files in /var/log by
                    454:           newsyslog(8), may mean that you do not have to remove the
                    455:           files manually.
                    456:        7. The optional accounting file (/var/account/acct, see
                    457:           accton(8)) has not been versioned, and will need to be
                    458:           removed.  The automatic rotation of the accounting file by
                    459:           /etc/daily limits the bad consequences of failure to remove
                    460:           the file.
1.196     dholland  461:        8. Application software that writes time_t to binary files on
1.241     wiz       462:           disk will break or need attention.  Most notably: if you are
1.196     dholland  463:           using PostgreSQL < 8.4, you need to dump your databases,
                    464:           rebuild PostgreSQL with the new time_t, then restore.
1.185     jmcneill  465:
1.183     pgoyette  466: 20081219:
                    467:        config(1) has been updated, and one of the files it creates -
                    468:        swapnetbsd.o - has changed format.  You need to rebuild config
                    469:        (done automatically by build.sh) and then you need to rerun
                    470:        config on all kernel configuration files before rebuilding those
                    471:        kernels.
                    472:
1.181     cube      473: 20081205:
                    474:        If you build with MKX11=no, you should remove /etc/rc.d/xdm and
                    475:        /etc/rc.d/xfs from DESTDIR because those files were moved to the xetc
                    476:        set and will appear as extra files for MKX11=no update builds.
1.178     lukem     477:
1.179     tsutsui   478: 20081122:
1.182     tsutsui   479:        On i386, various kernel options(4) in GENERIC including
1.180     wiz       480:        file systems have been disabled and moved into kernel modules.
                    481:        Before trying a new GENERIC kernel, you have to prepare the
1.179     tsutsui   482:        following files as well as a new GENERIC kernel:
                    483:
                    484:        - build and install kernel modules from src/sys/modules
                    485:
                    486:        - install the latest bootloader, which will load a module
1.180     wiz       487:          for the file system from which the kernel is loaded automatically
1.179     tsutsui   488:
1.180     wiz       489:        If you have to load your kernel from a file system which is not of
                    490:        the same type as the root file system, you have to load the necessary
                    491:        file system module manually on the boot prompt or in the boot.cfg file.
1.179     tsutsui   492:
1.178     lukem     493: 20080827:
                    494:        If you built and installed a libc from sources between
                    495:        2008/08/20 and 2008/08/26 you got a broken strtouq(3)
                    496:        which results in false errors reported by lint(1).
                    497:        Since this breaks the libc build itself, manual help is
1.180     wiz       498:        needed -- lint must be disabled temporarily, e.g.:
1.178     lukem     499:          $ (cd lib/libc && make MKLINT=no dependall install)
                    500:
1.177     christos  501: 20080813:
                    502:        MKDEBUG build was broken because the .depend files did not know
1.241     wiz       503:        about .go files.  You need to remove all .depend files and rebuild.
1.177     christos  504:
1.200     dholland  505: 20080802:
                    506:        A regression in binary compatibility for pthread_mutex_t has
1.241     wiz       507:        been fixed.  Unfortunately, the price is breaking compatibility
1.200     dholland  508:        for -current.
                    509:
                    510:        Threaded programs (using libpthread) and C++ programs (using
                    511:        libstdc++) compiled after 20070907 and before 20080802 need to
                    512:        be recompiled.
                    513:
                    514:        One way to find affected pkgsrc packages:
                    515:
                    516:          $ grep REQUIRES=/usr/lib/libpthread /var/db/pkg/*/+BUILD_INFO
                    517:          $ grep REQUIRES=/usr/lib/libstdc++ /var/db/pkg/*/+BUILD_INFO
                    518:
1.175     simonb    519: 20080731:
                    520:        WAPBL (metadata journaling support) has been added, but at this
                    521:        time isn't backwards compatible with pre-WAPBL aware kernels
                    522:        and userland (fsck_ffs in particular).  Please make sure you
                    523:        don't use a journaled filesystem with an older kernel/userland,
1.176     simonb    524:        especially an uncleanly mounted journaled filesystem.  WAPBL
                    525:        also requires the super block to be in the UFS2 format.  You
                    526:        can use fsck_ffs -c 4 to update the superblock format.
1.175     simonb    527:
1.174     lukem     528: 20080721:
                    529:        Assembler warnings are now fatal if $WARNS>0 and $NOGCCERROR
                    530:        isn't defined.
                    531:
1.173     freza     532: 20080531:
1.241     wiz       533:        The ioctl number of DRVSUSPENDDEV command on /dev/drvctl changed
                    534:        from 125 (conflicted with DRVCTLCOMMAND) to 129.  The drvctl(8)
1.173     freza     535:        utility needs to be rebuilt and reinstalled as older binaries
1.241     wiz       536:        won't work correctly.  The following sequence of commands:
1.173     freza     537:
                    538:          $ (cd sys/sys/ && nbmake-$arch includes)
                    539:          $ (cd sbin/drvctl/ && nbmake-$arch clean)
                    540:          $ (cd sbin/drvctl/ && nbmake-$arch all)
                    541:
                    542:        leaves new drvctl utility in sbin/drvctl build directory.
                    543:
1.172     lukem     544: 20080503:
                    545:        The <bsd.lib.mk> variable MKPRIVATELIB was renamed to LIBISPRIVATE.
                    546:
1.171     he        547: 20080521:
                    548:        For a while, unprivileged UPDATE builds would fail to
                    549:        succeed at the checkflist stage, complaining that
                    550:        ${DESTDIR}/stand/<arch>/ did not exist.  A fix for this
                    551:        problem was committed to share/mk/bsd.kmodule.mk, revision 1.9.
                    552:        If you already hit this problem, update the .mk file,
                    553:        remove ${DESTDIR}/stand/<arch>, and re-run the build.
                    554:
1.174     lukem     555: 20080303:
                    556:        Linker warnings are now fatal if $WARNS>0.
                    557:
1.170     christos  558: 20080126:
                    559:        The posix_fadvise system call has been changed from an assembly
1.241     wiz       560:        stub, to a c file that calls an assembly stub.  You need to
1.170     christos  561:        'rm -f posix_fadvise.* .depend' in the libc build directory to
                    562:        avoid using the old assembly stub.
                    563:
1.168     joerg     564: 20071209:
1.241     wiz       565:        The acpiec(4) driver has been split into two attachments.  If you
1.168     joerg     566:        get ACPI errors before the attachment, please update your kernel
1.169     wiz       567:        configuration file appropriately or see GENERIC for more details.
1.168     joerg     568:
1.166     xtraeme   569: 20071115:
                    570:        The it(4) driver has been renamed to itesio(4) and the old port
                    571:        argument specified in the kernel configuration file is not valid
1.241     wiz       572:        anymore.  The itesio(4) driver now uses the Super I/O address port
                    573:        rather than the EC address port.  Please update your kernel
1.167     wiz       574:        configuration file appropriately or see GENERIC for more details.
1.166     xtraeme   575:
1.165     jmmv      576: 20071028:
                    577:        The pccons(4) driver has been removed from the NetBSD/shark port.
                    578:        You need to update any custom kernel configuration file you have
                    579:        to remove any references to pccons (which includes removing the
                    580:        now useless XSERVER option) and replace them with the correct
                    581:        entries for the wscons driver.  See the GENERIC configuration file
                    582:        for more details.
                    583:
1.164     gdt       584: 20070913:
                    585:        A latent bug in dhclient/dhcpd that caused it to be unable to
                    586:        enumerate interfaces was fixed.  The bug began to cause
                    587:        problems after 20070911 when the kernel's SIOCGIFCONF
                    588:        implementation was repaired.  From 20070529 to 20070911 racoon
                    589:        could not enumerate interfaces.  (These are noted because
                    590:        normal kernel/userspace version matching hygiene is not
                    591:        sufficient to avoid this problem.)  Ensure that both kernel
                    592:        and userland are from after 20070913.
                    593:
1.163     joerg     594: 20070703:
1.241     wiz       595:        nbinstall has been renamed ${MACHINE_GNU_ARCH}-install.  It
1.199     dholland  596:        calls the target-specific strip program, and the logic to pass
                    597:        down STRIP from make has been removed.  This requires a
                    598:        re-installation of tools.
1.163     joerg     599:
1.161     dsl       600: 20070422:
                    601:        The way OS emulations lookup filenames inside the emulation root
                    602:        has been changed.  Rather than modify the pathname (and copy back
                    603:        to userspace) namei() and lookup() directly check the emulation
1.241     wiz       604:        root.  One side effect is that absolute symlinks inside the emulated
1.167     wiz       605:        root file system will be relative to that file system - unless they
1.161     dsl       606:        start /../ this is useful when the emulated root is a real install
                    607:        that has such links.
                    608:        This might affect symlinks that have been added to reference outside
                    609:        the emulated root.
                    610:
1.160     jmcneill  611: 20070412:
1.241     wiz       612:        The pckbc driver on sgimips IP32 has been removed.  Use macekbc
                    613:        instead.  See the GENERIC32_IP3x kernel configuration for an
1.160     jmcneill  614:        example.
                    615:
1.159     gdt       616: 20070319:
                    617:         src/lib/libc/Makefile revision 1.129 broke libc and ld.elf_so
                    618:         on many platforms due to incorrect flags settings.  If you
                    619:         updated and built after about 20070315, do "nbmake-$arch
                    620:        cleandir" in src/lib/libc and src/libexec/ld.elf_so to force a
                    621:        rebuild of object files that might have been built
                    622:        incorrectly, and ensure that you have at least
                    623:        src/lib/libc/Makefile 1.130.
                    624:
1.241     wiz       625: 20070210:
1.158     dbj       626:         src/sys/sys/{sa.h,savar.h} were removed.
                    627:           find ${OBJDIR} \( -name .depend -o -name '*.d' \) -print \
                    628:               | xargs egrep -l '/sa.h|/savar.h' | xargs rm
                    629:         will allow dependencies on those files to get get rebuilt
                    630:
1.157     apb       631: 20070209:
                    632:         The threading model was changed when the newlock2 branch
                    633:         was merged to NetBSD-current.  If you boot with a new
                    634:         kernel (version 4.99.10), then you also need a new pthread
                    635:         library (/usr/lib/libpthread.so.0.7).  If you boot with
                    636:         an old kernel, then you need the old pthread library
                    637:         (/usr/lib/libpthread.so.0.6).  Provided you keep the kernel and
                    638:         the pthread library in sync, old threaded applications should
                    639:         continue to work with an old or new kernel.  Note that named(8)
                    640:        is the only threaded application in the base system.
                    641:
1.154     he        642: 20061214:
                    643:        Following the move of string_to_flags() and flags_to_string()
                    644:        from the bin/ls/ sources to libutil, users doing UPDATE builds
                    645:        will need to do a "make cleandir" in
                    646:                tools/mtree/, tools/makefs/, tools/binstall/, tools/pax/,
                    647:                bin/pax/, bin/ls/, usr.sbin/mtree/, usr.sbin/makefs/,
1.156     he        648:                usr.bin/xinstall/, libexec/ftpd/, rescue/, as well
                    649:                as the installation images in distrib/
1.154     he        650:        in order to excise stale references to the old stat_flags.h header
                    651:        file in the ls sources -- stat_flags.h has been removed.
                    652:
1.152     christos  653: 20061108:
                    654:        The configure script used in the src/tools/gcc compiler has been
                    655:        changed to indicate that our libc has ssp support built-in and
1.241     wiz       656:        does not depend on -lssp and -lssp-nonshared.  You'll need to
1.152     christos  657:        make clean in src/tools/gcc first to rebuild the compiler.
                    658:
1.151     rpaulo    659: 20061009:
                    660:        The sysctl variables net.inet{,6}.tcp{,6}.newreno are no longer
1.241     wiz       661:        available.  Use net.inet{,6}.tcp{,6}.congctl.selected instead.
1.151     rpaulo    662:
1.150     bjh21     663: 20060814:
                    664:        The vt, vidcconsole, kbd, and rpckbd drivers on acorn32 have been
                    665:        withdrawn.  Use vidcvideo and pckbd instead.  See the GENERIC
                    666:        kernel configuration for an example.  X servers from the last
                    667:        few years should cope.
                    668:
1.149     christos  669: 20060703:
1.241     wiz       670:        MPACPI is no more.  We always configure PCI interrupts using ACPI
                    671:        if we have an ACPI kernel.  The option MPACPI_SCANPCI has been renamed
                    672:        to ACPI_SCANPCI.  Thanks to work from fvdl.
1.149     christos  673:
1.148     dogcow    674: 20060627:
                    675:        socket(2) has changed, and its system call has been versioned.
                    676:        For userlands with the old version of socket(2), make sure that
                    677:        your kernel has 'options COMPAT_30' set, or else 'bad system call'
                    678:        errors will result.
                    679:
1.1       abs       680: Hints for a more successful build:
                    681: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
1.123     jmc       682:     Use build.sh, but do not use its "expert mode":
1.132     jmmv      683:        This will automatically build the tools in the
1.123     jmc       684:           correct order, and it will keep the tools and the
                    685:           new build products from interfering with the running
                    686:           system.  This will allow you to ignore most of the
                    687:           other advice in this file.
1.2       mrg       688:     Build a new kernel first:
                    689:        This makes sure that any new system calls or features
                    690:           expected by the new userland will be present.  This
                    691:           helps to avoid critical errors when upgrading.
1.1       abs       692:     Use object directories:
                    693:        This helps to keep stale object
                    694:           files from polluting the build if a Makefile "forgets"
                    695:           about one.  It also makes it easier to clean up after
                    696:           a build.  It's also necessary if you want to use the
                    697:           same source tree for multiple machines.
1.123     jmc       698:           To use object directories with build.sh:
                    699:            a) invoke build.sh with the "-M" or "-O" options.
                    700:           To use object directories without using build.sh:
1.1       abs       701:            a) cd /usr/src ; make cleandir
1.2       mrg       702:            b) Add "OBJMACHINE=yes" to /etc/mk.conf
                    703:            c) Add "MKOBJDIRS=yes" to /etc/mk.conf
1.1       abs       704:            d) cd /usr/src ; make build
1.2       mrg       705:           Note that running "make obj" in a directory will create
                    706:           in obj.$MACHINE directory.
1.1       abs       707:     Build to a DESTDIR:
1.123     jmc       708:        This helps to keep old installed files (especially libraries)
                    709:           from interfering with the new build.
                    710:           To build to a DESTDIR with build.sh, use the "-D" option.
                    711:           To build to a DESTDIR without using build.sh, set the DESTDIR
                    712:           environment variable before running make build.  It should be
                    713:           set to the pathname of an initially empty directory.
                    714:           Problems: if you do not use build.sh, you might need to
                    715:                update critical utilities without using DESTDIR since
                    716:                nothing is executed from what is installed in DESTDIR.
                    717:                (See critical utils, below.)
1.1       abs       718:     Build often:
                    719:        This keeps critical utilities current enough to not choke
                    720:        on any other part of the source tree that depends on up to
1.123     jmc       721:        date functionality.  If you use build.sh, you should not have
                    722:        this problem.
1.241     wiz       723:
1.1       abs       724: What to do if things don't work:
                    725: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
1.230     tls       726: When things don't work there are usually a few things that commonly
1.1       abs       727: should be done.
                    728:     1) make includes
                    729:        This should be done automatically by make build.
                    730:     2)  cd share/mk && make install
                    731:        Again, automatically done by make build.
                    732:
                    733: Failsafe rebuild of a small part of the tree:
                    734: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                    735: To make sure you rebuild something correctly you want to do
                    736: something like the following:
                    737:     1)  Make sure the includes and .mk files are up to date.
                    738:     2)  Make sure any program used to build the particular
                    739:        utility is up to date.  (yacc, lex, etc...)
                    740:     3)  cd ...path/to/util...
                    741:        make cleandir
                    742:        rm ...all obj directories...
                    743:        make cleandir                   # yes, again
                    744:        make obj
                    745:        make depend && make
                    746:
                    747: Failsafe rebuild of the entire tree:
                    748: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                    749: If you really want to make sure the source tree is clean and
1.2       mrg       750: ready for a build try the following.  Note that sourcing /etc/mk.conf
                    751: (a make(1) Makefile) in this manner is not right, and will not work
                    752: for anyone who uses any make(1) features in /etc/mk.conf.
1.1       abs       753:
                    754: ---cut here---
                    755: #!/bin/sh
                    756: . /etc/mk.conf
                    757:
1.58      lukem     758: if [ -z $NETBSDSRCDIR ] ; then
                    759:     NETBSDSRCDIR=/usr/src
1.1       abs       760: fi
1.58      lukem     761: if [ \! -d $NETBSDSRCDIR ] ; then
1.1       abs       762:     echo Unable to find sources
                    763:     exit 1
                    764: fi
1.58      lukem     765: find $NETBSDSRCDIR -name \*.o -o -name obj.\* -o -name obj -exec rm \{\} \;
1.1       abs       766:
                    767: if [ -z $BSDOBJDIR ] ; then
                    768:     BSDOBJDIR=/usr/obj
                    769: fi
                    770: if [ -d $BSDOBJDIR ] ; then
                    771:     rm -rf $BSDOBJDIR
                    772: fi
                    773:
1.58      lukem     774: cd $NETBSDSRCDIR && make cleandir
1.1       abs       775:
                    776: ---cut here---
                    777:
                    778: Critical utilities:
                    779: ^^^^^^^^^^^^^^^^^^^
1.3       itojun    780:        usr.bin/compile_et
1.1       abs       781:        usr.bin/make
                    782:        usr.bin/yacc
                    783:        usr.bin/lex
1.11      lukem     784:        usr.bin/xlint
1.142     drochner  785:        usr.bin/config
1.1       abs       786:
1.34      simonb    787: Other problems and possible solutions:
1.1       abs       788: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                    789: Symptom:Complaints involving a Makefile.
1.17      erh       790: Fix:   Rebuild usr.bin/make:
                    791:        cd usr.bin/make && make && make install
1.111     simonb    792:        Or, a failsafe method if that doesn't work:
1.17      erh       793:        cd usr.bin/make && cc *.c */*.c -I . -o make && mv make /usr/bin
                    794:
1.1       abs       795: Fix:   Make sure .mk files are up to date.
                    796:        cd share/mk && make install
1.2       mrg       797:
                    798: Symptom:Kernel `config' fails to configure any kernel, including GENERIC.
1.142     drochner  799: Fix:   Rebuild usr.bin/config
1.1       abs       800:
                    801: Symptom:
                    802: Fix:   Rebuild usr.bin/yacc
                    803:
                    804: Symptom:
                    805: Fix:   Rebuild usr.bin/lex
                    806:
                    807: Symptom:
                    808: Fix:   rm /usr/lib/libbfd.a
1.4       itojun    809:
                    810: Symptom:Obsolete intermediate files are used during compilation
                    811: Fix:   Try the following sequence of commands in the directory in question.
                    812:        make cleandir; rm `make print-objdir`; make cleandir; make obj
                    813:        (If you built the tree without "make obj" in the past, obsolete files
                    814:        may remain.  The command tries to clean everything up)
1.5       wiz       815:
1.207     mbalmer   816: Symptom:.../sysinst/run.c:xx: warning: initialization from incompatible
                    817:        pointer type
1.5       wiz       818: Fix:   Rebuild and install usr.bin/menuc
1.12      itojun    819:
                    820: Symptom:mklocale not found during build in share/locale/ctype
                    821: Fix:   Build and install usr.bin/mklocale
1.13      dogcow    822:
1.86      kleink    823: Symptom:undefined reference to `__assert13' or `__unsetenv13'
1.13      dogcow    824: Fix:    Rebuild and install lib/libc
                    825:
1.142     drochner  826: Symptom:usr.bin/config fails to build.
1.19      cgd       827: Fix:   Try building with -DMAKE_BOOTSTRAP added to CFLAGS in Makefile.
1.13      dogcow    828:
1.19      cgd       829: Symptom:undefined reference to `getprogname' or `setprogname'
                    830: Fix:    Rebuild and install lib/libc
1.24      abs       831:
                    832: Symptom:lint does not understand the '-X' option
                    833: Fix:    May need to build & install libs with NOLINT=1 before rebuilding lint
1.223     joerg     834:
                    835: Symptom:Update build fails in src/tools/gcc complaining that a variable
                    836:        (e.g. CPPFLAGS) has changed since the previous run.
                    837: Fix:    Run "nbmake-${ARCH} clean" in src/tools/gcc or do a clean build.
1.257     apb       838:
                    839: Symptom:cvs [update aborted]: cannot open directory /cvsroot/src/...:
                    840:        No such file or directory.
                    841: Cause: If a directory is created by mistake, then it is sometimes
                    842:        deleted from the CVS repository using administrative commands
                    843:        that bypass the normal cvs access controls.  If your cvs working tree
                    844:        contains references to a directory that has been deleted on the
                    845:        server in this way, then "cvs update" reports this error.
                    846: Fix:   Recursively delete the affected directory from your working tree
                    847:        and try the update again.

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