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Annotation of src/UPDATING, Revision 1.260

1.260   ! skrll       1: $NetBSD: UPDATING,v 1.259 2014/10/27 11:21:28 msaitoh 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:
1.260   ! skrll      22: 20150310:
        !            23:        Improvements to openssl for arm mean that update builds of
        !            24:        the openssl libraries will fail. A make cleandir in
        !            25:        external/bsd/openssl/lib is needed
        !            26:
1.258     martin     27: 20141026:
1.259     msaitoh    28:        A mishap during the import of pppd may cause your corruption
1.258     martin     29:        in your cvs directory if you happened to do a cvs update
                     30:        during a short period of time. To fix, just remove the
                     31:        directory src/external/bsd/ppp/dist/pppd completely
                     32:        and let cvs restore it on next update.
                     33:
1.256     apb        34: 20140721:
                     35:        The src/external/mit/lua/src directory was accidentally created
                     36:        and then deleted in the CVS repository.  If you get errors like
                     37:
                     38:        cvs [update aborted]: cannot open directory
                     39:        /cvsroot/src/external/mit/lua/src: No such file or directory
                     40:
                     41:        then delete your local copy of that directory tree and try again.
                     42:
1.255     joerg      43: 20140530:
                     44:        ARM eABI switched to DWARF based exception handling. This requires
                     45:        rebuilding all C++ code. It is strongly advised to do a clean build.
                     46:
1.251     martin     47: 20140131:
1.253     joerg      48:        The new compiler_rt/libc integration moved a few things. It is strongly
1.254     skrll      49:        advised to do a clean build. At least lib/libc, the compat version(s)
1.253     joerg      50:        of libc, libkern, rump and the kernels need to be cleaned.
1.251     martin     51:
1.250     christos   52: 20131227:
                     53:        1. The new ntpd runs in a restricted mode to prevent amplification
                     54:           attacks. If you need ntpdc to work you need to explicitly enable
                     55:           mode7 in your config file. Make sure you put the necessary restrict
                     56:           statements to avoid being exposed.
                     57:        2. strncat has moved from lib/libc to common/lib/libc; you might need
                     58:           to make clean in libc
                     59:
1.249     mrg        60: 20131129:
                     61:        The GMP sources were updated, and builds will likely fail without
                     62:        cleaning their build trees for both tools and in-tree, like below.
                     63:
1.248     mrg        64: 20131128:
                     65:        The MPC and MPFR sources were updated, and builds may require their
                     66:        tools and in-tree directories cleaned for successful updates.
                     67:
1.246     martin     68: 20130605:
1.247     spz        69:        The kernel option FAST_IPSEC no longer exists, it's been renamed
                     70:        to IPSEC (and the older IPSEC version removed).
                     71:
                     72: 20130605:
1.246     martin     73:        Previous freetype installations eroneously installed private
                     74:        header files. If you are building against a non-empty $DESTDIR,
                     75:        please remove ${DESTDIR}//usr/X11R7/include/freetype2/freetype/.
                     76:
1.245     mrg        77: 20130531:
                     78:        The xdm update may cause build failure due to xdm.man being
                     79:        in the obj tree.  Make sure to ensure any like this:
                     80:                nbmake: nbmake: don't know how to make xdm.man. Stop
                     81:        is fixed by deleting the xdm.man in the obj tree.
                     82:
1.244     mrg        83: 20130530:
                     84:        Updates of many xsrc packages will leave old .pc files around.
                     85:        Best to clean out the xsrc objdir entirely before rebuilds.
                     86:
1.242     christos   87: 20130301:
                     88:        The removal of netiso requires manual removal of /usr/include/netiso
1.243     christos   89:        prior to the build and make cleandir in /usr/src/usr.bin/{ktruss,kdump}
1.242     christos   90:
1.238     dholland   91: 20120726:
1.241     wiz        92:        The update of OpenSSL requires cleaning both the OpenSSL build
                     93:        directory and DESTDIR.  *Even non-update builds require cleaning
1.240     dholland   94:        DESTDIR.* Builds done without taking these steps may fail, or in
1.241     wiz        95:        some cases may succeed and install broken OpenSSL libraries that
1.240     dholland   96:        cause third-party software to link incorrectly and/or crash.
1.238     dholland   97:
1.237     wiz        98: 20120507:
1.241     wiz        99:        The database schema for makemandb was changed.  You will
1.237     wiz       100:        need to update the database using 'makemandb -f' or wait
                    101:        for the next weekly run to fix it.
                    102:
1.236     bsh       103: 20120319:
                    104:        sys/conf/Makefile.kern.inc has been modified to adjust the
                    105:        size of db_symtab automatically.  You need to update dbsym in
                    106:        your $TOOLDIR to build kernels with options SYMTAB_SPACE.  If
                    107:        you don't want this behavior, add AUTO_SYMTAB_SPACE=no to your
                    108:        mk.conf.
                    109:
1.235     joerg     110: 20120216:
1.241     wiz       111:        Default for MKCATPAGES changed to NO.  Update builds will fail
                    112:        unless DESTDIR is cleaned manually.  If you built between 20120207
1.239     dholland  113:        and 20120216, daily and weekly could have created an unreadable
1.241     wiz       114:        /var/db/man.db index for apropos.  Running makemandb -f or
1.235     joerg     115:        the next run of weekly will fix it.
1.233     joerg     116:
1.232     christos  117: 20111227:
                    118:        If you built between 20111225 and 20111227 you need to remove
                    119:        /usr/lib/libpam.so.4* and /usr/lib/security/*.so.4, since the
                    120:        bump has been reverted.
                    121:
1.231     tls       122: 20111125:
                    123:        The "rnd" pseudodevice has been added to sys/conf/std, which
                    124:        means it should no longer be explicitly listed in kernel
                    125:        configuration files.  The line "pseudo-device rnd" should be
                    126:        removed from any custom kernel config files users may have.
                    127:
1.230     tls       128: 20111119:
                    129:        A problem with the datastructures used by the rndctl(8)
                    130:        utility (pointers in datastructures in an array, making 32->64
                    131:        bit compatibility very painful) has been fixed in a
                    132:        non-backwards-compatible way.  If you replace your kernel,
                    133:        replace your rndctl executable too.
1.241     wiz       134:
1.229     jym       135: 20111001:
                    136:        the prop_*_send_syscall() functions from proplib(3) have been
                    137:        changed and their new version is not backward compatible with the old
1.241     wiz       138:        one.  So ensure that all consumers of these functions (currently:
1.229     jym       139:        quota2 code and its tests) are updated together with the new lib.
                    140:
1.228     mrg       141: 20110817:
                    142:        sparc has been changed to use GCC 4.5.3, so any objdir or
                    143:        DESTDIR for them should be deleted before updating.
                    144:
1.227     riastrad  145: 20110806:
                    146:        i386 and amd64 have been changed to use GCC 4.5.3, so any
                    147:        objdir or DESTDIR for them should be deleted before updating.
                    148:
1.226     mrg       149: 20110805:
                    150:        The update to GCC 4.5.3 requires a non-trivial portion of
                    151:        the tree to be cleaned.  Best to delete both objdir and
                    152:        DESTDIR before running this update.  So far, only the
                    153:        sparc64, mips and powerpc platforms have changed.
                    154:
1.225     matt      155: 20110803:
1.241     wiz       156:        The layout of external/public-domain/xz has changed.  To do an
1.225     matt      157:        update build you will have to remove the contents of the OBJDIR
                    158:        for external/public-domain/xz/bin by hand as the xz entry there
                    159:        is now a directory.
                    160:
1.223     joerg     161: 20110410:
1.241     wiz       162:        The configuration of src/tools/gcc has changed.  To do an
1.224     dholland  163:        update build you have to clean both tools/binutils and
                    164:        tools/gcc by hand.
1.223     joerg     165:
1.222     plunky    166: 20110328:
                    167:        Building the Xorg binary was moved into a subdirectory to fix
1.241     wiz       168:        ordering issues with "make all".  It may be necessary to remove
1.222     plunky    169:        the OBJDIR for external/mit/xorg/server/xorg-server/hw/xfree86
                    170:        if your update build fails, as the "Xorg" entry there is now a
                    171:        directory.
                    172:
1.220     joerg     173: 20110121:
1.221     lukem     174:        Assembler files no longer use -traditional-cpp.  This can break
1.220     joerg     175:        the build of individual parts of the tree.  This is handled
                    176:        correctly by build.sh.  Manual builds have to update /usr/share/mk
                    177:        and re-run config(1) for any kernel configurations as needed.
1.218     joerg     178:
1.217     jruoho    179: 20101217:
                    180:        The tcpdump(8) program was changed to drop privileges and chroot(2)
1.241     wiz       181:        by default.  It may be necessary to manually update passwd(5) and
1.217     jruoho    182:        group(5) in order to make the program work with existing setups.
                    183:
1.216     christos  184: 20101125:
                    185:        The latest changes to setenv(3) dissallow setting environment
1.241     wiz       186:        variables with names that contain '='.  Revision 1.18 of env.c
                    187:        assumed that this was allowed.  Installing a new libc with an
1.216     christos  188:        old copy of /usr/bin/env causes env x=1 printenv | grep x= to
                    189:        break which affects the autoconf tests for dependency finding,
                    190:        so building gcc will end up printing:
                    191:            checking dependency style of gcc... none
                    192:            configure: error: no usable dependency style found
                    193:        Fix it by rebuilding and re-installing env.
1.138     lukem     194:
1.215     mrg       195: 20101119:
                    196:        Recent Xorg updates in xsrc/external/mit/ may cause various build
                    197:        or run-time problems.  Delete your entire DESTDIR and OBJDIR if you
                    198:        have any build problems with xsrc, or problems with mismatched
                    199:        versions between xorg-server and drivers.
                    200:
1.213     jmmv      201: 20100604:
                    202:        The update of ATF to 0.9 causes old tests written in shell to fail
                    203:        unless they are rebuilt.  If you are building with MKUPDATE=yes,
                    204:        you need to clean the src/external/bsd/atf/tests/ and the src/tests/
                    205:        trees by hand.
                    206:
1.211     tnozaki   207: 20100522:
1.212     mrg       208:        Recent Xorg updates in xsrc/external/mit/ will cause various build
                    209:        problems.  Delete your entire DESTDIR and OBJDIR if you have any
                    210:        build problems with xsrc.
                    211:
                    212: 20100522:
1.211     tnozaki   213:        private section of <ctype.h> was splitted, and now mklocale(1)
1.214     dholland  214:        include ctype_local.h, so you have to make cleandir in tools/mklocale.
1.211     tnozaki   215:
1.210     christos  216: 20100520:
1.241     wiz       217:        The location of the xkb compiled descriptions has changed.  Please
1.210     christos  218:        remove usr/X11R7/lib/X11/xkb/compiled from your $DESTDIR.
                    219:
1.209     njoly     220: 20100222:
                    221:        The shared objects file extension has been changed from .so to
                    222:        .pico, in order to avoid conflicts with shared libraries names
                    223:        libXX.so.  All now stale regular .so files can be removed from
                    224:        your object directories.
                    225:
1.208     roy       226: 20100204:
                    227:        The termcap database has been removed from the sources,
                    228:        but has not been marked obsolete so it is not removed
                    229:        from the system when upgrading.
                    230:        As such, you will need to remove them from your object
                    231:        and destination directories.
                    232:
1.203     dyoung    233: 20091101:
1.205     dholland  234:         After updating, it may be necessary to make the 'cleandir'
                    235:         target in src/tools/yacc/ and in src/usr.bin/yacc/ before a
                    236:         'build.sh -u tools' or 'build.sh -u distribution'.  Ditto
                    237:         src/tools/lex/ and src/usr.bin/lex/.
1.203     dyoung    238:
1.202     mrg       239: 20091001:
1.206     dholland  240:        On amd64 you must rebuild tools (to get the new binutils)
                    241:        before building a kernel, or the build fails on cpufunc.S.
                    242:
                    243: 20091001:
1.202     mrg       244:        An error will create a ./usr/X11R7/lib/X11/xkb/compiled/xkb
                    245:        symlink, failing the build.  Delete the link, and the subdir
                    246:        it is in, and retry your build.
                    247:
1.201     dsl       248: 20090718:
                    249:        libc build changed so that strchr() provides the extra entry
1.241     wiz       250:        point for index().  Update build of libc.a (and libc_pic.a)
1.201     dsl       251:        may fail because the archive contains the unwanted index.o.
                    252:        (Similarly for strrchr() and rindex().)
                    253:
1.198     mrg       254: 20090709:
                    255:        Native Xorg was upgraded again.  Builds will probably fail again
                    256:        without a clean objdir, at least for src/external/mit/xorg.
                    257:
1.197     mrg       258: 20090616:
                    259:        Native Xorg was upgraded.  Builds will need a clean objdir for
                    260:        src/external/mit/xorg.  Upgrading a system from sets will not
                    261:        work properly yet as the /usr/X11R7/lib/X11/xkb/symbols/pc
                    262:        subdirectory has been changed into a file, and this needs to
                    263:        be manually "rm -r"'ed before installing xbase.tgz.
                    264:
1.195     perry     265: 20090501:
                    266:        Several new functions were added to string.h/libc, and this
                    267:        can cause autoconf problems during the tool build for people
1.241     wiz       268:        who fail to clean out their tools objects properly.  If you
1.195     perry     269:        note messages about stpcpy, stpncpy or strnlen accompanying a
                    270:        failure during the tool build, clean out all your tools
                    271:        objects and start again.
                    272:
1.194     mrg       273: 20090325:
                    274:        The i386 port was switched to i486 default toolchain.  This requires
                    275:        cleaning your src/tools directory and $TOOLDIR and rebuilding them.
                    276:
1.192     skrll     277: 20090126:
1.241     wiz       278:        The __posix_fadvise50 system call changed assembly stub type.  You
1.207     mbalmer   279:        need to 'rm -f __posix_fadvise50.*' in the libc build directory
                    280:        to avoid using the old assembly stub.
1.192     skrll     281:
1.191     joerg     282: 20090202:
                    283:        pkg_install now depends on the pkgdb cache for automatic conflict
                    284:        detection.  It is recommented to rebuild the cache with
                    285:        ``pkg_admin rebuild''.
                    286:
1.184     christos  287: 20090110:
1.241     wiz       288:        time_t and dev_t have been bumped to 64 bit quantities.  To upgrade:
                    289:        1. Make sure your kernel has COMPAT_50 in it.  Build and install.
1.188     christos  290:           This is needed even in the MODULAR kernel because there is
                    291:           conditionally compiled code in rtsock.c.
1.184     christos  292:        2. make sure build.sh completes and the binaries in a chroot work
                    293:           before installing.
                    294:        3. If you don't use build.sh and you build directly to root, and
1.241     wiz       295:           your build breaks in the middle, don't despair.  Make sure headers
1.184     christos  296:           are installed properly, and start building libraries first libc
                    297:           and libutil, install them and then continue building all the
1.241     wiz       298:           libraries in src/lib and src/gnu/lib and install them.  Once
1.184     christos  299:           the new libraries are installed, you can restart the build.
                    300:        4. If you compile packages and you notice link time warnings,
1.189     hubertf   301:           rebuild the required packages to update their shared libraries.
                    302:           Any package you rebuild will require rebuilding all the packages
                    303:           that depend on it.
1.186     christos  304:        5. Next time you run pwd_mkdb with the new binary, the file
                    305:           will be upgraded and it will not be backwards compatible.
1.190     apb       306:        6. The utmpx/wtmpx files (/var/run/utmpx and /var/log/wtmpx, see
                    307:           lastlogx(5)) have been versioned, and there is a heuristic
1.241     wiz       308:           for utmp.  You are better off removing the old files after
1.190     apb       309:           upgrading.  The automated clearing of /var/run during
                    310:           boot, and the automated rotating of files in /var/log by
                    311:           newsyslog(8), may mean that you do not have to remove the
                    312:           files manually.
                    313:        7. The optional accounting file (/var/account/acct, see
                    314:           accton(8)) has not been versioned, and will need to be
                    315:           removed.  The automatic rotation of the accounting file by
                    316:           /etc/daily limits the bad consequences of failure to remove
                    317:           the file.
1.196     dholland  318:        8. Application software that writes time_t to binary files on
1.241     wiz       319:           disk will break or need attention.  Most notably: if you are
1.196     dholland  320:           using PostgreSQL < 8.4, you need to dump your databases,
                    321:           rebuild PostgreSQL with the new time_t, then restore.
1.185     jmcneill  322:
1.183     pgoyette  323: 20081219:
                    324:        config(1) has been updated, and one of the files it creates -
                    325:        swapnetbsd.o - has changed format.  You need to rebuild config
                    326:        (done automatically by build.sh) and then you need to rerun
                    327:        config on all kernel configuration files before rebuilding those
                    328:        kernels.
                    329:
1.181     cube      330: 20081205:
                    331:        If you build with MKX11=no, you should remove /etc/rc.d/xdm and
                    332:        /etc/rc.d/xfs from DESTDIR because those files were moved to the xetc
                    333:        set and will appear as extra files for MKX11=no update builds.
1.178     lukem     334:
1.179     tsutsui   335: 20081122:
1.182     tsutsui   336:        On i386, various kernel options(4) in GENERIC including
1.180     wiz       337:        file systems have been disabled and moved into kernel modules.
                    338:        Before trying a new GENERIC kernel, you have to prepare the
1.179     tsutsui   339:        following files as well as a new GENERIC kernel:
                    340:
                    341:        - build and install kernel modules from src/sys/modules
                    342:
                    343:        - install the latest bootloader, which will load a module
1.180     wiz       344:          for the file system from which the kernel is loaded automatically
1.179     tsutsui   345:
1.180     wiz       346:        If you have to load your kernel from a file system which is not of
                    347:        the same type as the root file system, you have to load the necessary
                    348:        file system module manually on the boot prompt or in the boot.cfg file.
1.179     tsutsui   349:
1.178     lukem     350: 20080827:
                    351:        If you built and installed a libc from sources between
                    352:        2008/08/20 and 2008/08/26 you got a broken strtouq(3)
                    353:        which results in false errors reported by lint(1).
                    354:        Since this breaks the libc build itself, manual help is
1.180     wiz       355:        needed -- lint must be disabled temporarily, e.g.:
1.178     lukem     356:          $ (cd lib/libc && make MKLINT=no dependall install)
                    357:
1.177     christos  358: 20080813:
                    359:        MKDEBUG build was broken because the .depend files did not know
1.241     wiz       360:        about .go files.  You need to remove all .depend files and rebuild.
1.177     christos  361:
1.200     dholland  362: 20080802:
                    363:        A regression in binary compatibility for pthread_mutex_t has
1.241     wiz       364:        been fixed.  Unfortunately, the price is breaking compatibility
1.200     dholland  365:        for -current.
                    366:
                    367:        Threaded programs (using libpthread) and C++ programs (using
                    368:        libstdc++) compiled after 20070907 and before 20080802 need to
                    369:        be recompiled.
                    370:
                    371:        One way to find affected pkgsrc packages:
                    372:
                    373:          $ grep REQUIRES=/usr/lib/libpthread /var/db/pkg/*/+BUILD_INFO
                    374:          $ grep REQUIRES=/usr/lib/libstdc++ /var/db/pkg/*/+BUILD_INFO
                    375:
1.175     simonb    376: 20080731:
                    377:        WAPBL (metadata journaling support) has been added, but at this
                    378:        time isn't backwards compatible with pre-WAPBL aware kernels
                    379:        and userland (fsck_ffs in particular).  Please make sure you
                    380:        don't use a journaled filesystem with an older kernel/userland,
1.176     simonb    381:        especially an uncleanly mounted journaled filesystem.  WAPBL
                    382:        also requires the super block to be in the UFS2 format.  You
                    383:        can use fsck_ffs -c 4 to update the superblock format.
1.175     simonb    384:
1.174     lukem     385: 20080721:
                    386:        Assembler warnings are now fatal if $WARNS>0 and $NOGCCERROR
                    387:        isn't defined.
                    388:
1.173     freza     389: 20080531:
1.241     wiz       390:        The ioctl number of DRVSUSPENDDEV command on /dev/drvctl changed
                    391:        from 125 (conflicted with DRVCTLCOMMAND) to 129.  The drvctl(8)
1.173     freza     392:        utility needs to be rebuilt and reinstalled as older binaries
1.241     wiz       393:        won't work correctly.  The following sequence of commands:
1.173     freza     394:
                    395:          $ (cd sys/sys/ && nbmake-$arch includes)
                    396:          $ (cd sbin/drvctl/ && nbmake-$arch clean)
                    397:          $ (cd sbin/drvctl/ && nbmake-$arch all)
                    398:
                    399:        leaves new drvctl utility in sbin/drvctl build directory.
                    400:
1.172     lukem     401: 20080503:
                    402:        The <bsd.lib.mk> variable MKPRIVATELIB was renamed to LIBISPRIVATE.
                    403:
1.171     he        404: 20080521:
                    405:        For a while, unprivileged UPDATE builds would fail to
                    406:        succeed at the checkflist stage, complaining that
                    407:        ${DESTDIR}/stand/<arch>/ did not exist.  A fix for this
                    408:        problem was committed to share/mk/bsd.kmodule.mk, revision 1.9.
                    409:        If you already hit this problem, update the .mk file,
                    410:        remove ${DESTDIR}/stand/<arch>, and re-run the build.
                    411:
1.174     lukem     412: 20080303:
                    413:        Linker warnings are now fatal if $WARNS>0.
                    414:
1.170     christos  415: 20080126:
                    416:        The posix_fadvise system call has been changed from an assembly
1.241     wiz       417:        stub, to a c file that calls an assembly stub.  You need to
1.170     christos  418:        'rm -f posix_fadvise.* .depend' in the libc build directory to
                    419:        avoid using the old assembly stub.
                    420:
1.168     joerg     421: 20071209:
1.241     wiz       422:        The acpiec(4) driver has been split into two attachments.  If you
1.168     joerg     423:        get ACPI errors before the attachment, please update your kernel
1.169     wiz       424:        configuration file appropriately or see GENERIC for more details.
1.168     joerg     425:
1.166     xtraeme   426: 20071115:
                    427:        The it(4) driver has been renamed to itesio(4) and the old port
                    428:        argument specified in the kernel configuration file is not valid
1.241     wiz       429:        anymore.  The itesio(4) driver now uses the Super I/O address port
                    430:        rather than the EC address port.  Please update your kernel
1.167     wiz       431:        configuration file appropriately or see GENERIC for more details.
1.166     xtraeme   432:
1.165     jmmv      433: 20071028:
                    434:        The pccons(4) driver has been removed from the NetBSD/shark port.
                    435:        You need to update any custom kernel configuration file you have
                    436:        to remove any references to pccons (which includes removing the
                    437:        now useless XSERVER option) and replace them with the correct
                    438:        entries for the wscons driver.  See the GENERIC configuration file
                    439:        for more details.
                    440:
1.164     gdt       441: 20070913:
                    442:        A latent bug in dhclient/dhcpd that caused it to be unable to
                    443:        enumerate interfaces was fixed.  The bug began to cause
                    444:        problems after 20070911 when the kernel's SIOCGIFCONF
                    445:        implementation was repaired.  From 20070529 to 20070911 racoon
                    446:        could not enumerate interfaces.  (These are noted because
                    447:        normal kernel/userspace version matching hygiene is not
                    448:        sufficient to avoid this problem.)  Ensure that both kernel
                    449:        and userland are from after 20070913.
                    450:
1.163     joerg     451: 20070703:
1.241     wiz       452:        nbinstall has been renamed ${MACHINE_GNU_ARCH}-install.  It
1.199     dholland  453:        calls the target-specific strip program, and the logic to pass
                    454:        down STRIP from make has been removed.  This requires a
                    455:        re-installation of tools.
1.163     joerg     456:
1.161     dsl       457: 20070422:
                    458:        The way OS emulations lookup filenames inside the emulation root
                    459:        has been changed.  Rather than modify the pathname (and copy back
                    460:        to userspace) namei() and lookup() directly check the emulation
1.241     wiz       461:        root.  One side effect is that absolute symlinks inside the emulated
1.167     wiz       462:        root file system will be relative to that file system - unless they
1.161     dsl       463:        start /../ this is useful when the emulated root is a real install
                    464:        that has such links.
                    465:        This might affect symlinks that have been added to reference outside
                    466:        the emulated root.
                    467:
1.160     jmcneill  468: 20070412:
1.241     wiz       469:        The pckbc driver on sgimips IP32 has been removed.  Use macekbc
                    470:        instead.  See the GENERIC32_IP3x kernel configuration for an
1.160     jmcneill  471:        example.
                    472:
1.159     gdt       473: 20070319:
                    474:         src/lib/libc/Makefile revision 1.129 broke libc and ld.elf_so
                    475:         on many platforms due to incorrect flags settings.  If you
                    476:         updated and built after about 20070315, do "nbmake-$arch
                    477:        cleandir" in src/lib/libc and src/libexec/ld.elf_so to force a
                    478:        rebuild of object files that might have been built
                    479:        incorrectly, and ensure that you have at least
                    480:        src/lib/libc/Makefile 1.130.
                    481:
1.241     wiz       482: 20070210:
1.158     dbj       483:         src/sys/sys/{sa.h,savar.h} were removed.
                    484:           find ${OBJDIR} \( -name .depend -o -name '*.d' \) -print \
                    485:               | xargs egrep -l '/sa.h|/savar.h' | xargs rm
                    486:         will allow dependencies on those files to get get rebuilt
                    487:
1.157     apb       488: 20070209:
                    489:         The threading model was changed when the newlock2 branch
                    490:         was merged to NetBSD-current.  If you boot with a new
                    491:         kernel (version 4.99.10), then you also need a new pthread
                    492:         library (/usr/lib/libpthread.so.0.7).  If you boot with
                    493:         an old kernel, then you need the old pthread library
                    494:         (/usr/lib/libpthread.so.0.6).  Provided you keep the kernel and
                    495:         the pthread library in sync, old threaded applications should
                    496:         continue to work with an old or new kernel.  Note that named(8)
                    497:        is the only threaded application in the base system.
                    498:
1.154     he        499: 20061214:
                    500:        Following the move of string_to_flags() and flags_to_string()
                    501:        from the bin/ls/ sources to libutil, users doing UPDATE builds
                    502:        will need to do a "make cleandir" in
                    503:                tools/mtree/, tools/makefs/, tools/binstall/, tools/pax/,
                    504:                bin/pax/, bin/ls/, usr.sbin/mtree/, usr.sbin/makefs/,
1.156     he        505:                usr.bin/xinstall/, libexec/ftpd/, rescue/, as well
                    506:                as the installation images in distrib/
1.154     he        507:        in order to excise stale references to the old stat_flags.h header
                    508:        file in the ls sources -- stat_flags.h has been removed.
                    509:
1.152     christos  510: 20061108:
                    511:        The configure script used in the src/tools/gcc compiler has been
                    512:        changed to indicate that our libc has ssp support built-in and
1.241     wiz       513:        does not depend on -lssp and -lssp-nonshared.  You'll need to
1.152     christos  514:        make clean in src/tools/gcc first to rebuild the compiler.
                    515:
1.151     rpaulo    516: 20061009:
                    517:        The sysctl variables net.inet{,6}.tcp{,6}.newreno are no longer
1.241     wiz       518:        available.  Use net.inet{,6}.tcp{,6}.congctl.selected instead.
1.151     rpaulo    519:
1.150     bjh21     520: 20060814:
                    521:        The vt, vidcconsole, kbd, and rpckbd drivers on acorn32 have been
                    522:        withdrawn.  Use vidcvideo and pckbd instead.  See the GENERIC
                    523:        kernel configuration for an example.  X servers from the last
                    524:        few years should cope.
                    525:
1.149     christos  526: 20060703:
1.241     wiz       527:        MPACPI is no more.  We always configure PCI interrupts using ACPI
                    528:        if we have an ACPI kernel.  The option MPACPI_SCANPCI has been renamed
                    529:        to ACPI_SCANPCI.  Thanks to work from fvdl.
1.149     christos  530:
1.148     dogcow    531: 20060627:
                    532:        socket(2) has changed, and its system call has been versioned.
                    533:        For userlands with the old version of socket(2), make sure that
                    534:        your kernel has 'options COMPAT_30' set, or else 'bad system call'
                    535:        errors will result.
                    536:
1.1       abs       537: Hints for a more successful build:
                    538: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
1.123     jmc       539:     Use build.sh, but do not use its "expert mode":
1.132     jmmv      540:        This will automatically build the tools in the
1.123     jmc       541:           correct order, and it will keep the tools and the
                    542:           new build products from interfering with the running
                    543:           system.  This will allow you to ignore most of the
                    544:           other advice in this file.
1.2       mrg       545:     Build a new kernel first:
                    546:        This makes sure that any new system calls or features
                    547:           expected by the new userland will be present.  This
                    548:           helps to avoid critical errors when upgrading.
1.1       abs       549:     Use object directories:
                    550:        This helps to keep stale object
                    551:           files from polluting the build if a Makefile "forgets"
                    552:           about one.  It also makes it easier to clean up after
                    553:           a build.  It's also necessary if you want to use the
                    554:           same source tree for multiple machines.
1.123     jmc       555:           To use object directories with build.sh:
                    556:            a) invoke build.sh with the "-M" or "-O" options.
                    557:           To use object directories without using build.sh:
1.1       abs       558:            a) cd /usr/src ; make cleandir
1.2       mrg       559:            b) Add "OBJMACHINE=yes" to /etc/mk.conf
                    560:            c) Add "MKOBJDIRS=yes" to /etc/mk.conf
1.1       abs       561:            d) cd /usr/src ; make build
1.2       mrg       562:           Note that running "make obj" in a directory will create
                    563:           in obj.$MACHINE directory.
1.1       abs       564:     Build to a DESTDIR:
1.123     jmc       565:        This helps to keep old installed files (especially libraries)
                    566:           from interfering with the new build.
                    567:           To build to a DESTDIR with build.sh, use the "-D" option.
                    568:           To build to a DESTDIR without using build.sh, set the DESTDIR
                    569:           environment variable before running make build.  It should be
                    570:           set to the pathname of an initially empty directory.
                    571:           Problems: if you do not use build.sh, you might need to
                    572:                update critical utilities without using DESTDIR since
                    573:                nothing is executed from what is installed in DESTDIR.
                    574:                (See critical utils, below.)
1.1       abs       575:     Build often:
                    576:        This keeps critical utilities current enough to not choke
                    577:        on any other part of the source tree that depends on up to
1.123     jmc       578:        date functionality.  If you use build.sh, you should not have
                    579:        this problem.
1.241     wiz       580:
1.1       abs       581: What to do if things don't work:
                    582: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
1.230     tls       583: When things don't work there are usually a few things that commonly
1.1       abs       584: should be done.
                    585:     1) make includes
                    586:        This should be done automatically by make build.
                    587:     2)  cd share/mk && make install
                    588:        Again, automatically done by make build.
                    589:
                    590: Failsafe rebuild of a small part of the tree:
                    591: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                    592: To make sure you rebuild something correctly you want to do
                    593: something like the following:
                    594:     1)  Make sure the includes and .mk files are up to date.
                    595:     2)  Make sure any program used to build the particular
                    596:        utility is up to date.  (yacc, lex, etc...)
                    597:     3)  cd ...path/to/util...
                    598:        make cleandir
                    599:        rm ...all obj directories...
                    600:        make cleandir                   # yes, again
                    601:        make obj
                    602:        make depend && make
                    603:
                    604: Failsafe rebuild of the entire tree:
                    605: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                    606: If you really want to make sure the source tree is clean and
1.2       mrg       607: ready for a build try the following.  Note that sourcing /etc/mk.conf
                    608: (a make(1) Makefile) in this manner is not right, and will not work
                    609: for anyone who uses any make(1) features in /etc/mk.conf.
1.1       abs       610:
                    611: ---cut here---
                    612: #!/bin/sh
                    613: . /etc/mk.conf
                    614:
1.58      lukem     615: if [ -z $NETBSDSRCDIR ] ; then
                    616:     NETBSDSRCDIR=/usr/src
1.1       abs       617: fi
1.58      lukem     618: if [ \! -d $NETBSDSRCDIR ] ; then
1.1       abs       619:     echo Unable to find sources
                    620:     exit 1
                    621: fi
1.58      lukem     622: find $NETBSDSRCDIR -name \*.o -o -name obj.\* -o -name obj -exec rm \{\} \;
1.1       abs       623:
                    624: if [ -z $BSDOBJDIR ] ; then
                    625:     BSDOBJDIR=/usr/obj
                    626: fi
                    627: if [ -d $BSDOBJDIR ] ; then
                    628:     rm -rf $BSDOBJDIR
                    629: fi
                    630:
1.58      lukem     631: cd $NETBSDSRCDIR && make cleandir
1.1       abs       632:
                    633: ---cut here---
                    634:
                    635: Critical utilities:
                    636: ^^^^^^^^^^^^^^^^^^^
1.3       itojun    637:        usr.bin/compile_et
1.1       abs       638:        usr.bin/make
                    639:        usr.bin/yacc
                    640:        usr.bin/lex
1.11      lukem     641:        usr.bin/xlint
1.142     drochner  642:        usr.bin/config
1.1       abs       643:
1.34      simonb    644: Other problems and possible solutions:
1.1       abs       645: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                    646: Symptom:Complaints involving a Makefile.
1.17      erh       647: Fix:   Rebuild usr.bin/make:
                    648:        cd usr.bin/make && make && make install
1.111     simonb    649:        Or, a failsafe method if that doesn't work:
1.17      erh       650:        cd usr.bin/make && cc *.c */*.c -I . -o make && mv make /usr/bin
                    651:
1.1       abs       652: Fix:   Make sure .mk files are up to date.
                    653:        cd share/mk && make install
1.2       mrg       654:
                    655: Symptom:Kernel `config' fails to configure any kernel, including GENERIC.
1.142     drochner  656: Fix:   Rebuild usr.bin/config
1.1       abs       657:
                    658: Symptom:
                    659: Fix:   Rebuild usr.bin/yacc
                    660:
                    661: Symptom:
                    662: Fix:   Rebuild usr.bin/lex
                    663:
                    664: Symptom:
                    665: Fix:   rm /usr/lib/libbfd.a
1.4       itojun    666:
                    667: Symptom:Obsolete intermediate files are used during compilation
                    668: Fix:   Try the following sequence of commands in the directory in question.
                    669:        make cleandir; rm `make print-objdir`; make cleandir; make obj
                    670:        (If you built the tree without "make obj" in the past, obsolete files
                    671:        may remain.  The command tries to clean everything up)
1.5       wiz       672:
1.207     mbalmer   673: Symptom:.../sysinst/run.c:xx: warning: initialization from incompatible
                    674:        pointer type
1.5       wiz       675: Fix:   Rebuild and install usr.bin/menuc
1.12      itojun    676:
                    677: Symptom:mklocale not found during build in share/locale/ctype
                    678: Fix:   Build and install usr.bin/mklocale
1.13      dogcow    679:
1.86      kleink    680: Symptom:undefined reference to `__assert13' or `__unsetenv13'
1.13      dogcow    681: Fix:    Rebuild and install lib/libc
                    682:
1.142     drochner  683: Symptom:usr.bin/config fails to build.
1.19      cgd       684: Fix:   Try building with -DMAKE_BOOTSTRAP added to CFLAGS in Makefile.
1.13      dogcow    685:
1.19      cgd       686: Symptom:undefined reference to `getprogname' or `setprogname'
                    687: Fix:    Rebuild and install lib/libc
1.24      abs       688:
                    689: Symptom:lint does not understand the '-X' option
                    690: Fix:    May need to build & install libs with NOLINT=1 before rebuilding lint
1.223     joerg     691:
                    692: Symptom:Update build fails in src/tools/gcc complaining that a variable
                    693:        (e.g. CPPFLAGS) has changed since the previous run.
                    694: Fix:    Run "nbmake-${ARCH} clean" in src/tools/gcc or do a clean build.
1.257     apb       695:
                    696: Symptom:cvs [update aborted]: cannot open directory /cvsroot/src/...:
                    697:        No such file or directory.
                    698: Cause: If a directory is created by mistake, then it is sometimes
                    699:        deleted from the CVS repository using administrative commands
                    700:        that bypass the normal cvs access controls.  If your cvs working tree
                    701:        contains references to a directory that has been deleted on the
                    702:        server in this way, then "cvs update" reports this error.
                    703: Fix:   Recursively delete the affected directory from your working tree
                    704:        and try the update again.

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