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Annotation of src/UPDATING, Revision 1.225

1.225   ! matt        1: $NetBSD: UPDATING,v 1.224 2011/04/10 22:46:09 dholland 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:
                     14: See also: BUILDING, build.sh, Makefile.
1.1       abs        15:
                     16: Recent changes:
                     17: ^^^^^^^^^^^^^^^
1.225   ! matt       18: 20110803:
        !            19:        The layout of external/public-domain/xz has changed. To do an
        !            20:        update build you will have to remove the contents of the OBJDIR
        !            21:        for external/public-domain/xz/bin by hand as the xz entry there
        !            22:        is now a directory.
        !            23:
1.223     joerg      24: 20110410:
1.224     dholland   25:        The configuration of src/tools/gcc has changed. To do an
                     26:        update build you have to clean both tools/binutils and
                     27:        tools/gcc by hand.
1.223     joerg      28:
1.222     plunky     29: 20110328:
                     30:        Building the Xorg binary was moved into a subdirectory to fix
                     31:        ordering issues with "make all". It may be necessary to remove
                     32:        the OBJDIR for external/mit/xorg/server/xorg-server/hw/xfree86
                     33:        if your update build fails, as the "Xorg" entry there is now a
                     34:        directory.
                     35:
1.220     joerg      36: 20110121:
1.221     lukem      37:        Assembler files no longer use -traditional-cpp.  This can break
1.220     joerg      38:        the build of individual parts of the tree.  This is handled
                     39:        correctly by build.sh.  Manual builds have to update /usr/share/mk
                     40:        and re-run config(1) for any kernel configurations as needed.
1.218     joerg      41:
1.217     jruoho     42: 20101217:
                     43:        The tcpdump(8) program was changed to drop privileges and chroot(2)
                     44:        by default. It may be necessary to manually update passwd(5) and
                     45:        group(5) in order to make the program work with existing setups.
                     46:
1.216     christos   47: 20101125:
                     48:        The latest changes to setenv(3) dissallow setting environment
                     49:        variables with names that contain '='. Revision 1.18 of env.c
                     50:        assumed that this was allowed. Installing a new libc with an
                     51:        old copy of /usr/bin/env causes env x=1 printenv | grep x= to
                     52:        break which affects the autoconf tests for dependency finding,
                     53:        so building gcc will end up printing:
                     54:            checking dependency style of gcc... none
                     55:            configure: error: no usable dependency style found
                     56:        Fix it by rebuilding and re-installing env.
1.138     lukem      57:
1.215     mrg        58: 20101119:
                     59:        Recent Xorg updates in xsrc/external/mit/ may cause various build
                     60:        or run-time problems.  Delete your entire DESTDIR and OBJDIR if you
                     61:        have any build problems with xsrc, or problems with mismatched
                     62:        versions between xorg-server and drivers.
                     63:
1.213     jmmv       64: 20100604:
                     65:        The update of ATF to 0.9 causes old tests written in shell to fail
                     66:        unless they are rebuilt.  If you are building with MKUPDATE=yes,
                     67:        you need to clean the src/external/bsd/atf/tests/ and the src/tests/
                     68:        trees by hand.
                     69:
1.211     tnozaki    70: 20100522:
1.212     mrg        71:        Recent Xorg updates in xsrc/external/mit/ will cause various build
                     72:        problems.  Delete your entire DESTDIR and OBJDIR if you have any
                     73:        build problems with xsrc.
                     74:
                     75: 20100522:
1.211     tnozaki    76:        private section of <ctype.h> was splitted, and now mklocale(1)
1.214     dholland   77:        include ctype_local.h, so you have to make cleandir in tools/mklocale.
1.211     tnozaki    78:
1.210     christos   79: 20100520:
                     80:        The location of the xkb compiled descriptions has changed. Please
                     81:        remove usr/X11R7/lib/X11/xkb/compiled from your $DESTDIR.
                     82:
1.209     njoly      83: 20100222:
                     84:        The shared objects file extension has been changed from .so to
                     85:        .pico, in order to avoid conflicts with shared libraries names
                     86:        libXX.so.  All now stale regular .so files can be removed from
                     87:        your object directories.
                     88:
1.208     roy        89: 20100204:
                     90:        The termcap database has been removed from the sources,
                     91:        but has not been marked obsolete so it is not removed
                     92:        from the system when upgrading.
                     93:        As such, you will need to remove them from your object
                     94:        and destination directories.
                     95:
1.203     dyoung     96: 20091101:
1.205     dholland   97:         After updating, it may be necessary to make the 'cleandir'
                     98:         target in src/tools/yacc/ and in src/usr.bin/yacc/ before a
                     99:         'build.sh -u tools' or 'build.sh -u distribution'.  Ditto
                    100:         src/tools/lex/ and src/usr.bin/lex/.
1.203     dyoung    101:
1.202     mrg       102: 20091001:
1.206     dholland  103:        On amd64 you must rebuild tools (to get the new binutils)
                    104:        before building a kernel, or the build fails on cpufunc.S.
                    105:
                    106: 20091001:
1.202     mrg       107:        An error will create a ./usr/X11R7/lib/X11/xkb/compiled/xkb
                    108:        symlink, failing the build.  Delete the link, and the subdir
                    109:        it is in, and retry your build.
                    110:
1.201     dsl       111: 20090718:
                    112:        libc build changed so that strchr() provides the extra entry
                    113:        point for index(). Update build of libc.a (and libc_pic.a)
                    114:        may fail because the archive contains the unwanted index.o.
                    115:        (Similarly for strrchr() and rindex().)
                    116:
1.198     mrg       117: 20090709:
                    118:        Native Xorg was upgraded again.  Builds will probably fail again
                    119:        without a clean objdir, at least for src/external/mit/xorg.
                    120:
1.197     mrg       121: 20090616:
                    122:        Native Xorg was upgraded.  Builds will need a clean objdir for
                    123:        src/external/mit/xorg.  Upgrading a system from sets will not
                    124:        work properly yet as the /usr/X11R7/lib/X11/xkb/symbols/pc
                    125:        subdirectory has been changed into a file, and this needs to
                    126:        be manually "rm -r"'ed before installing xbase.tgz.
                    127:
1.195     perry     128: 20090501:
                    129:        Several new functions were added to string.h/libc, and this
                    130:        can cause autoconf problems during the tool build for people
                    131:        who fail to clean out their tools objects properly. If you
                    132:        note messages about stpcpy, stpncpy or strnlen accompanying a
                    133:        failure during the tool build, clean out all your tools
                    134:        objects and start again.
                    135:
1.194     mrg       136: 20090325:
                    137:        The i386 port was switched to i486 default toolchain.  This requires
                    138:        cleaning your src/tools directory and $TOOLDIR and rebuilding them.
                    139:
1.192     skrll     140: 20090126:
1.207     mbalmer   141:        The __posix_fadvise50 system call changed assembly stub type. You
                    142:        need to 'rm -f __posix_fadvise50.*' in the libc build directory
                    143:        to avoid using the old assembly stub.
1.192     skrll     144:
1.191     joerg     145: 20090202:
                    146:        pkg_install now depends on the pkgdb cache for automatic conflict
                    147:        detection.  It is recommented to rebuild the cache with
                    148:        ``pkg_admin rebuild''.
                    149:
1.184     christos  150: 20090110:
                    151:        time_t and dev_t have been bumped to 64 bit quantities. To upgrade:
                    152:        1. Make sure your kernel has COMPAT_50 in it. Build and install.
1.188     christos  153:           This is needed even in the MODULAR kernel because there is
                    154:           conditionally compiled code in rtsock.c.
1.184     christos  155:        2. make sure build.sh completes and the binaries in a chroot work
                    156:           before installing.
                    157:        3. If you don't use build.sh and you build directly to root, and
1.187     dholland  158:           your build breaks in the middle, don't despair. Make sure headers
1.184     christos  159:           are installed properly, and start building libraries first libc
                    160:           and libutil, install them and then continue building all the
                    161:           libraries in src/lib and src/gnu/lib and install them. Once
                    162:           the new libraries are installed, you can restart the build.
                    163:        4. If you compile packages and you notice link time warnings,
1.189     hubertf   164:           rebuild the required packages to update their shared libraries.
                    165:           Any package you rebuild will require rebuilding all the packages
                    166:           that depend on it.
1.186     christos  167:        5. Next time you run pwd_mkdb with the new binary, the file
                    168:           will be upgraded and it will not be backwards compatible.
1.190     apb       169:        6. The utmpx/wtmpx files (/var/run/utmpx and /var/log/wtmpx, see
                    170:           lastlogx(5)) have been versioned, and there is a heuristic
                    171:           for utmp. You are better off removing the old files after
                    172:           upgrading.  The automated clearing of /var/run during
                    173:           boot, and the automated rotating of files in /var/log by
                    174:           newsyslog(8), may mean that you do not have to remove the
                    175:           files manually.
                    176:        7. The optional accounting file (/var/account/acct, see
                    177:           accton(8)) has not been versioned, and will need to be
                    178:           removed.  The automatic rotation of the accounting file by
                    179:           /etc/daily limits the bad consequences of failure to remove
                    180:           the file.
1.196     dholland  181:        8. Application software that writes time_t to binary files on
                    182:           disk will break or need attention. Most notably: if you are
                    183:           using PostgreSQL < 8.4, you need to dump your databases,
                    184:           rebuild PostgreSQL with the new time_t, then restore.
1.185     jmcneill  185:
1.183     pgoyette  186: 20081219:
                    187:        config(1) has been updated, and one of the files it creates -
                    188:        swapnetbsd.o - has changed format.  You need to rebuild config
                    189:        (done automatically by build.sh) and then you need to rerun
                    190:        config on all kernel configuration files before rebuilding those
                    191:        kernels.
                    192:
1.181     cube      193: 20081205:
                    194:        If you build with MKX11=no, you should remove /etc/rc.d/xdm and
                    195:        /etc/rc.d/xfs from DESTDIR because those files were moved to the xetc
                    196:        set and will appear as extra files for MKX11=no update builds.
1.178     lukem     197:
1.179     tsutsui   198: 20081122:
1.182     tsutsui   199:        On i386, various kernel options(4) in GENERIC including
1.180     wiz       200:        file systems have been disabled and moved into kernel modules.
                    201:        Before trying a new GENERIC kernel, you have to prepare the
1.179     tsutsui   202:        following files as well as a new GENERIC kernel:
                    203:
                    204:        - build and install kernel modules from src/sys/modules
                    205:
                    206:        - install the latest bootloader, which will load a module
1.180     wiz       207:          for the file system from which the kernel is loaded automatically
1.179     tsutsui   208:
1.180     wiz       209:        If you have to load your kernel from a file system which is not of
                    210:        the same type as the root file system, you have to load the necessary
                    211:        file system module manually on the boot prompt or in the boot.cfg file.
1.179     tsutsui   212:
1.178     lukem     213: 20080827:
                    214:        If you built and installed a libc from sources between
                    215:        2008/08/20 and 2008/08/26 you got a broken strtouq(3)
                    216:        which results in false errors reported by lint(1).
                    217:        Since this breaks the libc build itself, manual help is
1.180     wiz       218:        needed -- lint must be disabled temporarily, e.g.:
1.178     lukem     219:          $ (cd lib/libc && make MKLINT=no dependall install)
                    220:
1.177     christos  221: 20080813:
                    222:        MKDEBUG build was broken because the .depend files did not know
                    223:        about .go files. You need to remove all .depend files and rebuild.
                    224:
1.200     dholland  225: 20080802:
                    226:        A regression in binary compatibility for pthread_mutex_t has
                    227:        been fixed. Unfortunately, the price is breaking compatibility
                    228:        for -current.
                    229:
                    230:        Threaded programs (using libpthread) and C++ programs (using
                    231:        libstdc++) compiled after 20070907 and before 20080802 need to
                    232:        be recompiled.
                    233:
                    234:        One way to find affected pkgsrc packages:
                    235:
                    236:          $ grep REQUIRES=/usr/lib/libpthread /var/db/pkg/*/+BUILD_INFO
                    237:          $ grep REQUIRES=/usr/lib/libstdc++ /var/db/pkg/*/+BUILD_INFO
                    238:
1.175     simonb    239: 20080731:
                    240:        WAPBL (metadata journaling support) has been added, but at this
                    241:        time isn't backwards compatible with pre-WAPBL aware kernels
                    242:        and userland (fsck_ffs in particular).  Please make sure you
                    243:        don't use a journaled filesystem with an older kernel/userland,
1.176     simonb    244:        especially an uncleanly mounted journaled filesystem.  WAPBL
                    245:        also requires the super block to be in the UFS2 format.  You
                    246:        can use fsck_ffs -c 4 to update the superblock format.
1.175     simonb    247:
1.174     lukem     248: 20080721:
                    249:        Assembler warnings are now fatal if $WARNS>0 and $NOGCCERROR
                    250:        isn't defined.
                    251:
1.173     freza     252: 20080531:
                    253:        The ioctl number of DRVSUSPENDDEV command on /dev/drvctl changed
                    254:        from 125 (conflicted with DRVCTLCOMMAND) to 129. The drvctl(8)
                    255:        utility needs to be rebuilt and reinstalled as older binaries
                    256:        won't work correctly. The following sequence of commands:
                    257:
                    258:          $ (cd sys/sys/ && nbmake-$arch includes)
                    259:          $ (cd sbin/drvctl/ && nbmake-$arch clean)
                    260:          $ (cd sbin/drvctl/ && nbmake-$arch all)
                    261:
                    262:        leaves new drvctl utility in sbin/drvctl build directory.
                    263:
1.172     lukem     264: 20080503:
                    265:        The <bsd.lib.mk> variable MKPRIVATELIB was renamed to LIBISPRIVATE.
                    266:
1.171     he        267: 20080521:
                    268:        For a while, unprivileged UPDATE builds would fail to
                    269:        succeed at the checkflist stage, complaining that
                    270:        ${DESTDIR}/stand/<arch>/ did not exist.  A fix for this
                    271:        problem was committed to share/mk/bsd.kmodule.mk, revision 1.9.
                    272:        If you already hit this problem, update the .mk file,
                    273:        remove ${DESTDIR}/stand/<arch>, and re-run the build.
                    274:
1.174     lukem     275: 20080303:
                    276:        Linker warnings are now fatal if $WARNS>0.
                    277:
1.170     christos  278: 20080126:
                    279:        The posix_fadvise system call has been changed from an assembly
                    280:        stub, to a c file that calls an assembly stub. You need to
                    281:        'rm -f posix_fadvise.* .depend' in the libc build directory to
                    282:        avoid using the old assembly stub.
                    283:
1.168     joerg     284: 20071209:
                    285:        The acpiec(4) driver has been split into two attachments. If you
                    286:        get ACPI errors before the attachment, please update your kernel
1.169     wiz       287:        configuration file appropriately or see GENERIC for more details.
1.168     joerg     288:
1.166     xtraeme   289: 20071115:
                    290:        The it(4) driver has been renamed to itesio(4) and the old port
                    291:        argument specified in the kernel configuration file is not valid
                    292:        anymore. The itesio(4) driver now uses the Super I/O address port
                    293:        rather than the EC address port. Please update your kernel
1.167     wiz       294:        configuration file appropriately or see GENERIC for more details.
1.166     xtraeme   295:
1.165     jmmv      296: 20071028:
                    297:        The pccons(4) driver has been removed from the NetBSD/shark port.
                    298:        You need to update any custom kernel configuration file you have
                    299:        to remove any references to pccons (which includes removing the
                    300:        now useless XSERVER option) and replace them with the correct
                    301:        entries for the wscons driver.  See the GENERIC configuration file
                    302:        for more details.
                    303:
1.164     gdt       304: 20070913:
                    305:        A latent bug in dhclient/dhcpd that caused it to be unable to
                    306:        enumerate interfaces was fixed.  The bug began to cause
                    307:        problems after 20070911 when the kernel's SIOCGIFCONF
                    308:        implementation was repaired.  From 20070529 to 20070911 racoon
                    309:        could not enumerate interfaces.  (These are noted because
                    310:        normal kernel/userspace version matching hygiene is not
                    311:        sufficient to avoid this problem.)  Ensure that both kernel
                    312:        and userland are from after 20070913.
                    313:
1.163     joerg     314: 20070703:
1.199     dholland  315:        nbinstall has been renamed ${MACHINE_GNU_ARCH}-install. It
                    316:        calls the target-specific strip program, and the logic to pass
                    317:        down STRIP from make has been removed.  This requires a
                    318:        re-installation of tools.
1.163     joerg     319:
1.161     dsl       320: 20070422:
                    321:        The way OS emulations lookup filenames inside the emulation root
                    322:        has been changed.  Rather than modify the pathname (and copy back
                    323:        to userspace) namei() and lookup() directly check the emulation
                    324:        root. One side effect is that absolute symlinks inside the emulated
1.167     wiz       325:        root file system will be relative to that file system - unless they
1.161     dsl       326:        start /../ this is useful when the emulated root is a real install
                    327:        that has such links.
                    328:        This might affect symlinks that have been added to reference outside
                    329:        the emulated root.
                    330:
1.160     jmcneill  331: 20070412:
                    332:        The pckbc driver on sgimips IP32 has been removed. Use macekbc
                    333:        instead. See the GENERIC32_IP3x kernel configuration for an
                    334:        example.
                    335:
1.159     gdt       336: 20070319:
                    337:         src/lib/libc/Makefile revision 1.129 broke libc and ld.elf_so
                    338:         on many platforms due to incorrect flags settings.  If you
                    339:         updated and built after about 20070315, do "nbmake-$arch
                    340:        cleandir" in src/lib/libc and src/libexec/ld.elf_so to force a
                    341:        rebuild of object files that might have been built
                    342:        incorrectly, and ensure that you have at least
                    343:        src/lib/libc/Makefile 1.130.
                    344:
1.158     dbj       345: 20070210:
                    346:         src/sys/sys/{sa.h,savar.h} were removed.
                    347:           find ${OBJDIR} \( -name .depend -o -name '*.d' \) -print \
                    348:               | xargs egrep -l '/sa.h|/savar.h' | xargs rm
                    349:         will allow dependencies on those files to get get rebuilt
                    350:
1.157     apb       351: 20070209:
                    352:         The threading model was changed when the newlock2 branch
                    353:         was merged to NetBSD-current.  If you boot with a new
                    354:         kernel (version 4.99.10), then you also need a new pthread
                    355:         library (/usr/lib/libpthread.so.0.7).  If you boot with
                    356:         an old kernel, then you need the old pthread library
                    357:         (/usr/lib/libpthread.so.0.6).  Provided you keep the kernel and
                    358:         the pthread library in sync, old threaded applications should
                    359:         continue to work with an old or new kernel.  Note that named(8)
                    360:        is the only threaded application in the base system.
                    361:
1.154     he        362: 20061214:
                    363:        Following the move of string_to_flags() and flags_to_string()
                    364:        from the bin/ls/ sources to libutil, users doing UPDATE builds
                    365:        will need to do a "make cleandir" in
                    366:                tools/mtree/, tools/makefs/, tools/binstall/, tools/pax/,
                    367:                bin/pax/, bin/ls/, usr.sbin/mtree/, usr.sbin/makefs/,
1.156     he        368:                usr.bin/xinstall/, libexec/ftpd/, rescue/, as well
                    369:                as the installation images in distrib/
1.154     he        370:        in order to excise stale references to the old stat_flags.h header
                    371:        file in the ls sources -- stat_flags.h has been removed.
                    372:
1.152     christos  373: 20061108:
                    374:        The configure script used in the src/tools/gcc compiler has been
                    375:        changed to indicate that our libc has ssp support built-in and
                    376:        does not depend on -lssp and -lssp-nonshared. You'll need to
                    377:        make clean in src/tools/gcc first to rebuild the compiler.
                    378:
1.151     rpaulo    379: 20061009:
                    380:        The sysctl variables net.inet{,6}.tcp{,6}.newreno are no longer
                    381:        available. Use net.inet{,6}.tcp{,6}.congctl.selected instead.
                    382:
1.150     bjh21     383: 20060814:
                    384:        The vt, vidcconsole, kbd, and rpckbd drivers on acorn32 have been
                    385:        withdrawn.  Use vidcvideo and pckbd instead.  See the GENERIC
                    386:        kernel configuration for an example.  X servers from the last
                    387:        few years should cope.
                    388:
1.149     christos  389: 20060703:
                    390:        MPACPI is no more. We always configure PCI interrupts using ACPI
                    391:        if we have an ACPI kernel. The option MPACPI_SCANPCI has been renamed
                    392:        to ACPI_SCANPCI. Thanks to work from fvdl.
                    393:
1.148     dogcow    394: 20060627:
                    395:        socket(2) has changed, and its system call has been versioned.
                    396:        For userlands with the old version of socket(2), make sure that
                    397:        your kernel has 'options COMPAT_30' set, or else 'bad system call'
                    398:        errors will result.
                    399:
1.1       abs       400: Hints for a more successful build:
                    401: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
1.123     jmc       402:     Use build.sh, but do not use its "expert mode":
1.132     jmmv      403:        This will automatically build the tools in the
1.123     jmc       404:           correct order, and it will keep the tools and the
                    405:           new build products from interfering with the running
                    406:           system.  This will allow you to ignore most of the
                    407:           other advice in this file.
1.2       mrg       408:     Build a new kernel first:
                    409:        This makes sure that any new system calls or features
                    410:           expected by the new userland will be present.  This
                    411:           helps to avoid critical errors when upgrading.
1.1       abs       412:     Use object directories:
                    413:        This helps to keep stale object
                    414:           files from polluting the build if a Makefile "forgets"
                    415:           about one.  It also makes it easier to clean up after
                    416:           a build.  It's also necessary if you want to use the
                    417:           same source tree for multiple machines.
1.123     jmc       418:           To use object directories with build.sh:
                    419:            a) invoke build.sh with the "-M" or "-O" options.
                    420:           To use object directories without using build.sh:
1.1       abs       421:            a) cd /usr/src ; make cleandir
1.2       mrg       422:            b) Add "OBJMACHINE=yes" to /etc/mk.conf
                    423:            c) Add "MKOBJDIRS=yes" to /etc/mk.conf
1.1       abs       424:            d) cd /usr/src ; make build
1.2       mrg       425:           Note that running "make obj" in a directory will create
                    426:           in obj.$MACHINE directory.
1.1       abs       427:     Build to a DESTDIR:
1.123     jmc       428:        This helps to keep old installed files (especially libraries)
                    429:           from interfering with the new build.
                    430:           To build to a DESTDIR with build.sh, use the "-D" option.
                    431:           To build to a DESTDIR without using build.sh, set the DESTDIR
                    432:           environment variable before running make build.  It should be
                    433:           set to the pathname of an initially empty directory.
                    434:           Problems: if you do not use build.sh, you might need to
                    435:                update critical utilities without using DESTDIR since
                    436:                nothing is executed from what is installed in DESTDIR.
                    437:                (See critical utils, below.)
1.1       abs       438:     Build often:
                    439:        This keeps critical utilities current enough to not choke
                    440:        on any other part of the source tree that depends on up to
1.123     jmc       441:        date functionality.  If you use build.sh, you should not have
                    442:        this problem.
1.1       abs       443:
                    444: What to do if things don't work:
                    445: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                    446: When things don't work there is usually a few things that commonly
                    447: should be done.
                    448:     1) make includes
                    449:        This should be done automatically by make build.
                    450:     2)  cd share/mk && make install
                    451:        Again, automatically done by make build.
                    452:
                    453: Failsafe rebuild of a small part of the tree:
                    454: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                    455: To make sure you rebuild something correctly you want to do
                    456: something like the following:
                    457:     1)  Make sure the includes and .mk files are up to date.
                    458:     2)  Make sure any program used to build the particular
                    459:        utility is up to date.  (yacc, lex, etc...)
                    460:     3)  cd ...path/to/util...
                    461:        make cleandir
                    462:        rm ...all obj directories...
                    463:        make cleandir                   # yes, again
                    464:        make obj
                    465:        make depend && make
                    466:
                    467: Failsafe rebuild of the entire tree:
                    468: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                    469: If you really want to make sure the source tree is clean and
1.2       mrg       470: ready for a build try the following.  Note that sourcing /etc/mk.conf
                    471: (a make(1) Makefile) in this manner is not right, and will not work
                    472: for anyone who uses any make(1) features in /etc/mk.conf.
1.1       abs       473:
                    474: ---cut here---
                    475: #!/bin/sh
                    476: . /etc/mk.conf
                    477:
1.58      lukem     478: if [ -z $NETBSDSRCDIR ] ; then
                    479:     NETBSDSRCDIR=/usr/src
1.1       abs       480: fi
1.58      lukem     481: if [ \! -d $NETBSDSRCDIR ] ; then
1.1       abs       482:     echo Unable to find sources
                    483:     exit 1
                    484: fi
1.58      lukem     485: find $NETBSDSRCDIR -name \*.o -o -name obj.\* -o -name obj -exec rm \{\} \;
1.1       abs       486:
                    487: if [ -z $BSDOBJDIR ] ; then
                    488:     BSDOBJDIR=/usr/obj
                    489: fi
                    490: if [ -d $BSDOBJDIR ] ; then
                    491:     rm -rf $BSDOBJDIR
                    492: fi
                    493:
1.58      lukem     494: cd $NETBSDSRCDIR && make cleandir
1.1       abs       495:
                    496: ---cut here---
                    497:
                    498: Critical utilities:
                    499: ^^^^^^^^^^^^^^^^^^^
1.3       itojun    500:        usr.bin/compile_et
1.1       abs       501:        usr.bin/make
                    502:        usr.bin/yacc
                    503:        usr.bin/lex
1.11      lukem     504:        usr.bin/xlint
1.142     drochner  505:        usr.bin/config
1.1       abs       506:
1.34      simonb    507: Other problems and possible solutions:
1.1       abs       508: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                    509: Symptom:Complaints involving a Makefile.
1.17      erh       510: Fix:   Rebuild usr.bin/make:
                    511:        cd usr.bin/make && make && make install
1.111     simonb    512:        Or, a failsafe method if that doesn't work:
1.17      erh       513:        cd usr.bin/make && cc *.c */*.c -I . -o make && mv make /usr/bin
                    514:
1.1       abs       515: Fix:   Make sure .mk files are up to date.
                    516:        cd share/mk && make install
1.2       mrg       517:
                    518: Symptom:Kernel `config' fails to configure any kernel, including GENERIC.
1.142     drochner  519: Fix:   Rebuild usr.bin/config
1.1       abs       520:
                    521: Symptom:
                    522: Fix:   Rebuild usr.bin/yacc
                    523:
                    524: Symptom:
                    525: Fix:   Rebuild usr.bin/lex
                    526:
                    527: Symptom:
                    528: Fix:   rm /usr/lib/libbfd.a
1.4       itojun    529:
                    530: Symptom:Obsolete intermediate files are used during compilation
                    531: Fix:   Try the following sequence of commands in the directory in question.
                    532:        make cleandir; rm `make print-objdir`; make cleandir; make obj
                    533:        (If you built the tree without "make obj" in the past, obsolete files
                    534:        may remain.  The command tries to clean everything up)
1.5       wiz       535:
1.207     mbalmer   536: Symptom:.../sysinst/run.c:xx: warning: initialization from incompatible
                    537:        pointer type
1.5       wiz       538: Fix:   Rebuild and install usr.bin/menuc
1.12      itojun    539:
                    540: Symptom:mklocale not found during build in share/locale/ctype
                    541: Fix:   Build and install usr.bin/mklocale
1.13      dogcow    542:
1.86      kleink    543: Symptom:undefined reference to `__assert13' or `__unsetenv13'
1.13      dogcow    544: Fix:    Rebuild and install lib/libc
                    545:
1.142     drochner  546: Symptom:usr.bin/config fails to build.
1.19      cgd       547: Fix:   Try building with -DMAKE_BOOTSTRAP added to CFLAGS in Makefile.
1.13      dogcow    548:
1.19      cgd       549: Symptom:undefined reference to `getprogname' or `setprogname'
                    550: Fix:    Rebuild and install lib/libc
1.24      abs       551:
                    552: Symptom:lint does not understand the '-X' option
                    553: Fix:    May need to build & install libs with NOLINT=1 before rebuilding lint
1.223     joerg     554:
                    555: Symptom:Update build fails in src/tools/gcc complaining that a variable
                    556:        (e.g. CPPFLAGS) has changed since the previous run.
                    557: Fix:    Run "nbmake-${ARCH} clean" in src/tools/gcc or do a clean build.

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