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Annotation of src/UPDATING, Revision 1.242

1.242   ! christos    1: $NetBSD: UPDATING,v 1.241 2012/10/03 19:17:00 wiz 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: ^^^^^^^^^^^^^^^
1.230     tls        18:
1.242   ! christos   19: 20130301:
        !            20:        The removal of netiso requires manual removal of /usr/include/netiso
        !            21:        prior to the build.
        !            22:
1.238     dholland   23: 20120726:
1.241     wiz        24:        The update of OpenSSL requires cleaning both the OpenSSL build
                     25:        directory and DESTDIR.  *Even non-update builds require cleaning
1.240     dholland   26:        DESTDIR.* Builds done without taking these steps may fail, or in
1.241     wiz        27:        some cases may succeed and install broken OpenSSL libraries that
1.240     dholland   28:        cause third-party software to link incorrectly and/or crash.
1.238     dholland   29:
1.237     wiz        30: 20120507:
1.241     wiz        31:        The database schema for makemandb was changed.  You will
1.237     wiz        32:        need to update the database using 'makemandb -f' or wait
                     33:        for the next weekly run to fix it.
                     34:
1.236     bsh        35: 20120319:
                     36:        sys/conf/Makefile.kern.inc has been modified to adjust the
                     37:        size of db_symtab automatically.  You need to update dbsym in
                     38:        your $TOOLDIR to build kernels with options SYMTAB_SPACE.  If
                     39:        you don't want this behavior, add AUTO_SYMTAB_SPACE=no to your
                     40:        mk.conf.
                     41:
1.235     joerg      42: 20120216:
1.241     wiz        43:        Default for MKCATPAGES changed to NO.  Update builds will fail
                     44:        unless DESTDIR is cleaned manually.  If you built between 20120207
1.239     dholland   45:        and 20120216, daily and weekly could have created an unreadable
1.241     wiz        46:        /var/db/man.db index for apropos.  Running makemandb -f or
1.235     joerg      47:        the next run of weekly will fix it.
1.233     joerg      48:
1.232     christos   49: 20111227:
                     50:        If you built between 20111225 and 20111227 you need to remove
                     51:        /usr/lib/libpam.so.4* and /usr/lib/security/*.so.4, since the
                     52:        bump has been reverted.
                     53:
1.231     tls        54: 20111125:
                     55:        The "rnd" pseudodevice has been added to sys/conf/std, which
                     56:        means it should no longer be explicitly listed in kernel
                     57:        configuration files.  The line "pseudo-device rnd" should be
                     58:        removed from any custom kernel config files users may have.
                     59:
1.230     tls        60: 20111119:
                     61:        A problem with the datastructures used by the rndctl(8)
                     62:        utility (pointers in datastructures in an array, making 32->64
                     63:        bit compatibility very painful) has been fixed in a
                     64:        non-backwards-compatible way.  If you replace your kernel,
                     65:        replace your rndctl executable too.
1.241     wiz        66:
1.229     jym        67: 20111001:
                     68:        the prop_*_send_syscall() functions from proplib(3) have been
                     69:        changed and their new version is not backward compatible with the old
1.241     wiz        70:        one.  So ensure that all consumers of these functions (currently:
1.229     jym        71:        quota2 code and its tests) are updated together with the new lib.
                     72:
1.228     mrg        73: 20110817:
                     74:        sparc has been changed to use GCC 4.5.3, so any objdir or
                     75:        DESTDIR for them should be deleted before updating.
                     76:
1.227     riastrad   77: 20110806:
                     78:        i386 and amd64 have been changed to use GCC 4.5.3, so any
                     79:        objdir or DESTDIR for them should be deleted before updating.
                     80:
1.226     mrg        81: 20110805:
                     82:        The update to GCC 4.5.3 requires a non-trivial portion of
                     83:        the tree to be cleaned.  Best to delete both objdir and
                     84:        DESTDIR before running this update.  So far, only the
                     85:        sparc64, mips and powerpc platforms have changed.
                     86:
1.225     matt       87: 20110803:
1.241     wiz        88:        The layout of external/public-domain/xz has changed.  To do an
1.225     matt       89:        update build you will have to remove the contents of the OBJDIR
                     90:        for external/public-domain/xz/bin by hand as the xz entry there
                     91:        is now a directory.
                     92:
1.223     joerg      93: 20110410:
1.241     wiz        94:        The configuration of src/tools/gcc has changed.  To do an
1.224     dholland   95:        update build you have to clean both tools/binutils and
                     96:        tools/gcc by hand.
1.223     joerg      97:
1.222     plunky     98: 20110328:
                     99:        Building the Xorg binary was moved into a subdirectory to fix
1.241     wiz       100:        ordering issues with "make all".  It may be necessary to remove
1.222     plunky    101:        the OBJDIR for external/mit/xorg/server/xorg-server/hw/xfree86
                    102:        if your update build fails, as the "Xorg" entry there is now a
                    103:        directory.
                    104:
1.220     joerg     105: 20110121:
1.221     lukem     106:        Assembler files no longer use -traditional-cpp.  This can break
1.220     joerg     107:        the build of individual parts of the tree.  This is handled
                    108:        correctly by build.sh.  Manual builds have to update /usr/share/mk
                    109:        and re-run config(1) for any kernel configurations as needed.
1.218     joerg     110:
1.217     jruoho    111: 20101217:
                    112:        The tcpdump(8) program was changed to drop privileges and chroot(2)
1.241     wiz       113:        by default.  It may be necessary to manually update passwd(5) and
1.217     jruoho    114:        group(5) in order to make the program work with existing setups.
                    115:
1.216     christos  116: 20101125:
                    117:        The latest changes to setenv(3) dissallow setting environment
1.241     wiz       118:        variables with names that contain '='.  Revision 1.18 of env.c
                    119:        assumed that this was allowed.  Installing a new libc with an
1.216     christos  120:        old copy of /usr/bin/env causes env x=1 printenv | grep x= to
                    121:        break which affects the autoconf tests for dependency finding,
                    122:        so building gcc will end up printing:
                    123:            checking dependency style of gcc... none
                    124:            configure: error: no usable dependency style found
                    125:        Fix it by rebuilding and re-installing env.
1.138     lukem     126:
1.215     mrg       127: 20101119:
                    128:        Recent Xorg updates in xsrc/external/mit/ may cause various build
                    129:        or run-time problems.  Delete your entire DESTDIR and OBJDIR if you
                    130:        have any build problems with xsrc, or problems with mismatched
                    131:        versions between xorg-server and drivers.
                    132:
1.213     jmmv      133: 20100604:
                    134:        The update of ATF to 0.9 causes old tests written in shell to fail
                    135:        unless they are rebuilt.  If you are building with MKUPDATE=yes,
                    136:        you need to clean the src/external/bsd/atf/tests/ and the src/tests/
                    137:        trees by hand.
                    138:
1.211     tnozaki   139: 20100522:
1.212     mrg       140:        Recent Xorg updates in xsrc/external/mit/ will cause various build
                    141:        problems.  Delete your entire DESTDIR and OBJDIR if you have any
                    142:        build problems with xsrc.
                    143:
                    144: 20100522:
1.211     tnozaki   145:        private section of <ctype.h> was splitted, and now mklocale(1)
1.214     dholland  146:        include ctype_local.h, so you have to make cleandir in tools/mklocale.
1.211     tnozaki   147:
1.210     christos  148: 20100520:
1.241     wiz       149:        The location of the xkb compiled descriptions has changed.  Please
1.210     christos  150:        remove usr/X11R7/lib/X11/xkb/compiled from your $DESTDIR.
                    151:
1.209     njoly     152: 20100222:
                    153:        The shared objects file extension has been changed from .so to
                    154:        .pico, in order to avoid conflicts with shared libraries names
                    155:        libXX.so.  All now stale regular .so files can be removed from
                    156:        your object directories.
                    157:
1.208     roy       158: 20100204:
                    159:        The termcap database has been removed from the sources,
                    160:        but has not been marked obsolete so it is not removed
                    161:        from the system when upgrading.
                    162:        As such, you will need to remove them from your object
                    163:        and destination directories.
                    164:
1.203     dyoung    165: 20091101:
1.205     dholland  166:         After updating, it may be necessary to make the 'cleandir'
                    167:         target in src/tools/yacc/ and in src/usr.bin/yacc/ before a
                    168:         'build.sh -u tools' or 'build.sh -u distribution'.  Ditto
                    169:         src/tools/lex/ and src/usr.bin/lex/.
1.203     dyoung    170:
1.202     mrg       171: 20091001:
1.206     dholland  172:        On amd64 you must rebuild tools (to get the new binutils)
                    173:        before building a kernel, or the build fails on cpufunc.S.
                    174:
                    175: 20091001:
1.202     mrg       176:        An error will create a ./usr/X11R7/lib/X11/xkb/compiled/xkb
                    177:        symlink, failing the build.  Delete the link, and the subdir
                    178:        it is in, and retry your build.
                    179:
1.201     dsl       180: 20090718:
                    181:        libc build changed so that strchr() provides the extra entry
1.241     wiz       182:        point for index().  Update build of libc.a (and libc_pic.a)
1.201     dsl       183:        may fail because the archive contains the unwanted index.o.
                    184:        (Similarly for strrchr() and rindex().)
                    185:
1.198     mrg       186: 20090709:
                    187:        Native Xorg was upgraded again.  Builds will probably fail again
                    188:        without a clean objdir, at least for src/external/mit/xorg.
                    189:
1.197     mrg       190: 20090616:
                    191:        Native Xorg was upgraded.  Builds will need a clean objdir for
                    192:        src/external/mit/xorg.  Upgrading a system from sets will not
                    193:        work properly yet as the /usr/X11R7/lib/X11/xkb/symbols/pc
                    194:        subdirectory has been changed into a file, and this needs to
                    195:        be manually "rm -r"'ed before installing xbase.tgz.
                    196:
1.195     perry     197: 20090501:
                    198:        Several new functions were added to string.h/libc, and this
                    199:        can cause autoconf problems during the tool build for people
1.241     wiz       200:        who fail to clean out their tools objects properly.  If you
1.195     perry     201:        note messages about stpcpy, stpncpy or strnlen accompanying a
                    202:        failure during the tool build, clean out all your tools
                    203:        objects and start again.
                    204:
1.194     mrg       205: 20090325:
                    206:        The i386 port was switched to i486 default toolchain.  This requires
                    207:        cleaning your src/tools directory and $TOOLDIR and rebuilding them.
                    208:
1.192     skrll     209: 20090126:
1.241     wiz       210:        The __posix_fadvise50 system call changed assembly stub type.  You
1.207     mbalmer   211:        need to 'rm -f __posix_fadvise50.*' in the libc build directory
                    212:        to avoid using the old assembly stub.
1.192     skrll     213:
1.191     joerg     214: 20090202:
                    215:        pkg_install now depends on the pkgdb cache for automatic conflict
                    216:        detection.  It is recommented to rebuild the cache with
                    217:        ``pkg_admin rebuild''.
                    218:
1.184     christos  219: 20090110:
1.241     wiz       220:        time_t and dev_t have been bumped to 64 bit quantities.  To upgrade:
                    221:        1. Make sure your kernel has COMPAT_50 in it.  Build and install.
1.188     christos  222:           This is needed even in the MODULAR kernel because there is
                    223:           conditionally compiled code in rtsock.c.
1.184     christos  224:        2. make sure build.sh completes and the binaries in a chroot work
                    225:           before installing.
                    226:        3. If you don't use build.sh and you build directly to root, and
1.241     wiz       227:           your build breaks in the middle, don't despair.  Make sure headers
1.184     christos  228:           are installed properly, and start building libraries first libc
                    229:           and libutil, install them and then continue building all the
1.241     wiz       230:           libraries in src/lib and src/gnu/lib and install them.  Once
1.184     christos  231:           the new libraries are installed, you can restart the build.
                    232:        4. If you compile packages and you notice link time warnings,
1.189     hubertf   233:           rebuild the required packages to update their shared libraries.
                    234:           Any package you rebuild will require rebuilding all the packages
                    235:           that depend on it.
1.186     christos  236:        5. Next time you run pwd_mkdb with the new binary, the file
                    237:           will be upgraded and it will not be backwards compatible.
1.190     apb       238:        6. The utmpx/wtmpx files (/var/run/utmpx and /var/log/wtmpx, see
                    239:           lastlogx(5)) have been versioned, and there is a heuristic
1.241     wiz       240:           for utmp.  You are better off removing the old files after
1.190     apb       241:           upgrading.  The automated clearing of /var/run during
                    242:           boot, and the automated rotating of files in /var/log by
                    243:           newsyslog(8), may mean that you do not have to remove the
                    244:           files manually.
                    245:        7. The optional accounting file (/var/account/acct, see
                    246:           accton(8)) has not been versioned, and will need to be
                    247:           removed.  The automatic rotation of the accounting file by
                    248:           /etc/daily limits the bad consequences of failure to remove
                    249:           the file.
1.196     dholland  250:        8. Application software that writes time_t to binary files on
1.241     wiz       251:           disk will break or need attention.  Most notably: if you are
1.196     dholland  252:           using PostgreSQL < 8.4, you need to dump your databases,
                    253:           rebuild PostgreSQL with the new time_t, then restore.
1.185     jmcneill  254:
1.183     pgoyette  255: 20081219:
                    256:        config(1) has been updated, and one of the files it creates -
                    257:        swapnetbsd.o - has changed format.  You need to rebuild config
                    258:        (done automatically by build.sh) and then you need to rerun
                    259:        config on all kernel configuration files before rebuilding those
                    260:        kernels.
                    261:
1.181     cube      262: 20081205:
                    263:        If you build with MKX11=no, you should remove /etc/rc.d/xdm and
                    264:        /etc/rc.d/xfs from DESTDIR because those files were moved to the xetc
                    265:        set and will appear as extra files for MKX11=no update builds.
1.178     lukem     266:
1.179     tsutsui   267: 20081122:
1.182     tsutsui   268:        On i386, various kernel options(4) in GENERIC including
1.180     wiz       269:        file systems have been disabled and moved into kernel modules.
                    270:        Before trying a new GENERIC kernel, you have to prepare the
1.179     tsutsui   271:        following files as well as a new GENERIC kernel:
                    272:
                    273:        - build and install kernel modules from src/sys/modules
                    274:
                    275:        - install the latest bootloader, which will load a module
1.180     wiz       276:          for the file system from which the kernel is loaded automatically
1.179     tsutsui   277:
1.180     wiz       278:        If you have to load your kernel from a file system which is not of
                    279:        the same type as the root file system, you have to load the necessary
                    280:        file system module manually on the boot prompt or in the boot.cfg file.
1.179     tsutsui   281:
1.178     lukem     282: 20080827:
                    283:        If you built and installed a libc from sources between
                    284:        2008/08/20 and 2008/08/26 you got a broken strtouq(3)
                    285:        which results in false errors reported by lint(1).
                    286:        Since this breaks the libc build itself, manual help is
1.180     wiz       287:        needed -- lint must be disabled temporarily, e.g.:
1.178     lukem     288:          $ (cd lib/libc && make MKLINT=no dependall install)
                    289:
1.177     christos  290: 20080813:
                    291:        MKDEBUG build was broken because the .depend files did not know
1.241     wiz       292:        about .go files.  You need to remove all .depend files and rebuild.
1.177     christos  293:
1.200     dholland  294: 20080802:
                    295:        A regression in binary compatibility for pthread_mutex_t has
1.241     wiz       296:        been fixed.  Unfortunately, the price is breaking compatibility
1.200     dholland  297:        for -current.
                    298:
                    299:        Threaded programs (using libpthread) and C++ programs (using
                    300:        libstdc++) compiled after 20070907 and before 20080802 need to
                    301:        be recompiled.
                    302:
                    303:        One way to find affected pkgsrc packages:
                    304:
                    305:          $ grep REQUIRES=/usr/lib/libpthread /var/db/pkg/*/+BUILD_INFO
                    306:          $ grep REQUIRES=/usr/lib/libstdc++ /var/db/pkg/*/+BUILD_INFO
                    307:
1.175     simonb    308: 20080731:
                    309:        WAPBL (metadata journaling support) has been added, but at this
                    310:        time isn't backwards compatible with pre-WAPBL aware kernels
                    311:        and userland (fsck_ffs in particular).  Please make sure you
                    312:        don't use a journaled filesystem with an older kernel/userland,
1.176     simonb    313:        especially an uncleanly mounted journaled filesystem.  WAPBL
                    314:        also requires the super block to be in the UFS2 format.  You
                    315:        can use fsck_ffs -c 4 to update the superblock format.
1.175     simonb    316:
1.174     lukem     317: 20080721:
                    318:        Assembler warnings are now fatal if $WARNS>0 and $NOGCCERROR
                    319:        isn't defined.
                    320:
1.173     freza     321: 20080531:
1.241     wiz       322:        The ioctl number of DRVSUSPENDDEV command on /dev/drvctl changed
                    323:        from 125 (conflicted with DRVCTLCOMMAND) to 129.  The drvctl(8)
1.173     freza     324:        utility needs to be rebuilt and reinstalled as older binaries
1.241     wiz       325:        won't work correctly.  The following sequence of commands:
1.173     freza     326:
                    327:          $ (cd sys/sys/ && nbmake-$arch includes)
                    328:          $ (cd sbin/drvctl/ && nbmake-$arch clean)
                    329:          $ (cd sbin/drvctl/ && nbmake-$arch all)
                    330:
                    331:        leaves new drvctl utility in sbin/drvctl build directory.
                    332:
1.172     lukem     333: 20080503:
                    334:        The <bsd.lib.mk> variable MKPRIVATELIB was renamed to LIBISPRIVATE.
                    335:
1.171     he        336: 20080521:
                    337:        For a while, unprivileged UPDATE builds would fail to
                    338:        succeed at the checkflist stage, complaining that
                    339:        ${DESTDIR}/stand/<arch>/ did not exist.  A fix for this
                    340:        problem was committed to share/mk/bsd.kmodule.mk, revision 1.9.
                    341:        If you already hit this problem, update the .mk file,
                    342:        remove ${DESTDIR}/stand/<arch>, and re-run the build.
                    343:
1.174     lukem     344: 20080303:
                    345:        Linker warnings are now fatal if $WARNS>0.
                    346:
1.170     christos  347: 20080126:
                    348:        The posix_fadvise system call has been changed from an assembly
1.241     wiz       349:        stub, to a c file that calls an assembly stub.  You need to
1.170     christos  350:        'rm -f posix_fadvise.* .depend' in the libc build directory to
                    351:        avoid using the old assembly stub.
                    352:
1.168     joerg     353: 20071209:
1.241     wiz       354:        The acpiec(4) driver has been split into two attachments.  If you
1.168     joerg     355:        get ACPI errors before the attachment, please update your kernel
1.169     wiz       356:        configuration file appropriately or see GENERIC for more details.
1.168     joerg     357:
1.166     xtraeme   358: 20071115:
                    359:        The it(4) driver has been renamed to itesio(4) and the old port
                    360:        argument specified in the kernel configuration file is not valid
1.241     wiz       361:        anymore.  The itesio(4) driver now uses the Super I/O address port
                    362:        rather than the EC address port.  Please update your kernel
1.167     wiz       363:        configuration file appropriately or see GENERIC for more details.
1.166     xtraeme   364:
1.165     jmmv      365: 20071028:
                    366:        The pccons(4) driver has been removed from the NetBSD/shark port.
                    367:        You need to update any custom kernel configuration file you have
                    368:        to remove any references to pccons (which includes removing the
                    369:        now useless XSERVER option) and replace them with the correct
                    370:        entries for the wscons driver.  See the GENERIC configuration file
                    371:        for more details.
                    372:
1.164     gdt       373: 20070913:
                    374:        A latent bug in dhclient/dhcpd that caused it to be unable to
                    375:        enumerate interfaces was fixed.  The bug began to cause
                    376:        problems after 20070911 when the kernel's SIOCGIFCONF
                    377:        implementation was repaired.  From 20070529 to 20070911 racoon
                    378:        could not enumerate interfaces.  (These are noted because
                    379:        normal kernel/userspace version matching hygiene is not
                    380:        sufficient to avoid this problem.)  Ensure that both kernel
                    381:        and userland are from after 20070913.
                    382:
1.163     joerg     383: 20070703:
1.241     wiz       384:        nbinstall has been renamed ${MACHINE_GNU_ARCH}-install.  It
1.199     dholland  385:        calls the target-specific strip program, and the logic to pass
                    386:        down STRIP from make has been removed.  This requires a
                    387:        re-installation of tools.
1.163     joerg     388:
1.161     dsl       389: 20070422:
                    390:        The way OS emulations lookup filenames inside the emulation root
                    391:        has been changed.  Rather than modify the pathname (and copy back
                    392:        to userspace) namei() and lookup() directly check the emulation
1.241     wiz       393:        root.  One side effect is that absolute symlinks inside the emulated
1.167     wiz       394:        root file system will be relative to that file system - unless they
1.161     dsl       395:        start /../ this is useful when the emulated root is a real install
                    396:        that has such links.
                    397:        This might affect symlinks that have been added to reference outside
                    398:        the emulated root.
                    399:
1.160     jmcneill  400: 20070412:
1.241     wiz       401:        The pckbc driver on sgimips IP32 has been removed.  Use macekbc
                    402:        instead.  See the GENERIC32_IP3x kernel configuration for an
1.160     jmcneill  403:        example.
                    404:
1.159     gdt       405: 20070319:
                    406:         src/lib/libc/Makefile revision 1.129 broke libc and ld.elf_so
                    407:         on many platforms due to incorrect flags settings.  If you
                    408:         updated and built after about 20070315, do "nbmake-$arch
                    409:        cleandir" in src/lib/libc and src/libexec/ld.elf_so to force a
                    410:        rebuild of object files that might have been built
                    411:        incorrectly, and ensure that you have at least
                    412:        src/lib/libc/Makefile 1.130.
                    413:
1.241     wiz       414: 20070210:
1.158     dbj       415:         src/sys/sys/{sa.h,savar.h} were removed.
                    416:           find ${OBJDIR} \( -name .depend -o -name '*.d' \) -print \
                    417:               | xargs egrep -l '/sa.h|/savar.h' | xargs rm
                    418:         will allow dependencies on those files to get get rebuilt
                    419:
1.157     apb       420: 20070209:
                    421:         The threading model was changed when the newlock2 branch
                    422:         was merged to NetBSD-current.  If you boot with a new
                    423:         kernel (version 4.99.10), then you also need a new pthread
                    424:         library (/usr/lib/libpthread.so.0.7).  If you boot with
                    425:         an old kernel, then you need the old pthread library
                    426:         (/usr/lib/libpthread.so.0.6).  Provided you keep the kernel and
                    427:         the pthread library in sync, old threaded applications should
                    428:         continue to work with an old or new kernel.  Note that named(8)
                    429:        is the only threaded application in the base system.
                    430:
1.154     he        431: 20061214:
                    432:        Following the move of string_to_flags() and flags_to_string()
                    433:        from the bin/ls/ sources to libutil, users doing UPDATE builds
                    434:        will need to do a "make cleandir" in
                    435:                tools/mtree/, tools/makefs/, tools/binstall/, tools/pax/,
                    436:                bin/pax/, bin/ls/, usr.sbin/mtree/, usr.sbin/makefs/,
1.156     he        437:                usr.bin/xinstall/, libexec/ftpd/, rescue/, as well
                    438:                as the installation images in distrib/
1.154     he        439:        in order to excise stale references to the old stat_flags.h header
                    440:        file in the ls sources -- stat_flags.h has been removed.
                    441:
1.152     christos  442: 20061108:
                    443:        The configure script used in the src/tools/gcc compiler has been
                    444:        changed to indicate that our libc has ssp support built-in and
1.241     wiz       445:        does not depend on -lssp and -lssp-nonshared.  You'll need to
1.152     christos  446:        make clean in src/tools/gcc first to rebuild the compiler.
                    447:
1.151     rpaulo    448: 20061009:
                    449:        The sysctl variables net.inet{,6}.tcp{,6}.newreno are no longer
1.241     wiz       450:        available.  Use net.inet{,6}.tcp{,6}.congctl.selected instead.
1.151     rpaulo    451:
1.150     bjh21     452: 20060814:
                    453:        The vt, vidcconsole, kbd, and rpckbd drivers on acorn32 have been
                    454:        withdrawn.  Use vidcvideo and pckbd instead.  See the GENERIC
                    455:        kernel configuration for an example.  X servers from the last
                    456:        few years should cope.
                    457:
1.149     christos  458: 20060703:
1.241     wiz       459:        MPACPI is no more.  We always configure PCI interrupts using ACPI
                    460:        if we have an ACPI kernel.  The option MPACPI_SCANPCI has been renamed
                    461:        to ACPI_SCANPCI.  Thanks to work from fvdl.
1.149     christos  462:
1.148     dogcow    463: 20060627:
                    464:        socket(2) has changed, and its system call has been versioned.
                    465:        For userlands with the old version of socket(2), make sure that
                    466:        your kernel has 'options COMPAT_30' set, or else 'bad system call'
                    467:        errors will result.
                    468:
1.1       abs       469: Hints for a more successful build:
                    470: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
1.123     jmc       471:     Use build.sh, but do not use its "expert mode":
1.132     jmmv      472:        This will automatically build the tools in the
1.123     jmc       473:           correct order, and it will keep the tools and the
                    474:           new build products from interfering with the running
                    475:           system.  This will allow you to ignore most of the
                    476:           other advice in this file.
1.2       mrg       477:     Build a new kernel first:
                    478:        This makes sure that any new system calls or features
                    479:           expected by the new userland will be present.  This
                    480:           helps to avoid critical errors when upgrading.
1.1       abs       481:     Use object directories:
                    482:        This helps to keep stale object
                    483:           files from polluting the build if a Makefile "forgets"
                    484:           about one.  It also makes it easier to clean up after
                    485:           a build.  It's also necessary if you want to use the
                    486:           same source tree for multiple machines.
1.123     jmc       487:           To use object directories with build.sh:
                    488:            a) invoke build.sh with the "-M" or "-O" options.
                    489:           To use object directories without using build.sh:
1.1       abs       490:            a) cd /usr/src ; make cleandir
1.2       mrg       491:            b) Add "OBJMACHINE=yes" to /etc/mk.conf
                    492:            c) Add "MKOBJDIRS=yes" to /etc/mk.conf
1.1       abs       493:            d) cd /usr/src ; make build
1.2       mrg       494:           Note that running "make obj" in a directory will create
                    495:           in obj.$MACHINE directory.
1.1       abs       496:     Build to a DESTDIR:
1.123     jmc       497:        This helps to keep old installed files (especially libraries)
                    498:           from interfering with the new build.
                    499:           To build to a DESTDIR with build.sh, use the "-D" option.
                    500:           To build to a DESTDIR without using build.sh, set the DESTDIR
                    501:           environment variable before running make build.  It should be
                    502:           set to the pathname of an initially empty directory.
                    503:           Problems: if you do not use build.sh, you might need to
                    504:                update critical utilities without using DESTDIR since
                    505:                nothing is executed from what is installed in DESTDIR.
                    506:                (See critical utils, below.)
1.1       abs       507:     Build often:
                    508:        This keeps critical utilities current enough to not choke
                    509:        on any other part of the source tree that depends on up to
1.123     jmc       510:        date functionality.  If you use build.sh, you should not have
                    511:        this problem.
1.241     wiz       512:
1.1       abs       513: What to do if things don't work:
                    514: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
1.230     tls       515: When things don't work there are usually a few things that commonly
1.1       abs       516: should be done.
                    517:     1) make includes
                    518:        This should be done automatically by make build.
                    519:     2)  cd share/mk && make install
                    520:        Again, automatically done by make build.
                    521:
                    522: Failsafe rebuild of a small part of the tree:
                    523: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                    524: To make sure you rebuild something correctly you want to do
                    525: something like the following:
                    526:     1)  Make sure the includes and .mk files are up to date.
                    527:     2)  Make sure any program used to build the particular
                    528:        utility is up to date.  (yacc, lex, etc...)
                    529:     3)  cd ...path/to/util...
                    530:        make cleandir
                    531:        rm ...all obj directories...
                    532:        make cleandir                   # yes, again
                    533:        make obj
                    534:        make depend && make
                    535:
                    536: Failsafe rebuild of the entire tree:
                    537: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                    538: If you really want to make sure the source tree is clean and
1.2       mrg       539: ready for a build try the following.  Note that sourcing /etc/mk.conf
                    540: (a make(1) Makefile) in this manner is not right, and will not work
                    541: for anyone who uses any make(1) features in /etc/mk.conf.
1.1       abs       542:
                    543: ---cut here---
                    544: #!/bin/sh
                    545: . /etc/mk.conf
                    546:
1.58      lukem     547: if [ -z $NETBSDSRCDIR ] ; then
                    548:     NETBSDSRCDIR=/usr/src
1.1       abs       549: fi
1.58      lukem     550: if [ \! -d $NETBSDSRCDIR ] ; then
1.1       abs       551:     echo Unable to find sources
                    552:     exit 1
                    553: fi
1.58      lukem     554: find $NETBSDSRCDIR -name \*.o -o -name obj.\* -o -name obj -exec rm \{\} \;
1.1       abs       555:
                    556: if [ -z $BSDOBJDIR ] ; then
                    557:     BSDOBJDIR=/usr/obj
                    558: fi
                    559: if [ -d $BSDOBJDIR ] ; then
                    560:     rm -rf $BSDOBJDIR
                    561: fi
                    562:
1.58      lukem     563: cd $NETBSDSRCDIR && make cleandir
1.1       abs       564:
                    565: ---cut here---
                    566:
                    567: Critical utilities:
                    568: ^^^^^^^^^^^^^^^^^^^
1.3       itojun    569:        usr.bin/compile_et
1.1       abs       570:        usr.bin/make
                    571:        usr.bin/yacc
                    572:        usr.bin/lex
1.11      lukem     573:        usr.bin/xlint
1.142     drochner  574:        usr.bin/config
1.1       abs       575:
1.34      simonb    576: Other problems and possible solutions:
1.1       abs       577: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                    578: Symptom:Complaints involving a Makefile.
1.17      erh       579: Fix:   Rebuild usr.bin/make:
                    580:        cd usr.bin/make && make && make install
1.111     simonb    581:        Or, a failsafe method if that doesn't work:
1.17      erh       582:        cd usr.bin/make && cc *.c */*.c -I . -o make && mv make /usr/bin
                    583:
1.1       abs       584: Fix:   Make sure .mk files are up to date.
                    585:        cd share/mk && make install
1.2       mrg       586:
                    587: Symptom:Kernel `config' fails to configure any kernel, including GENERIC.
1.142     drochner  588: Fix:   Rebuild usr.bin/config
1.1       abs       589:
                    590: Symptom:
                    591: Fix:   Rebuild usr.bin/yacc
                    592:
                    593: Symptom:
                    594: Fix:   Rebuild usr.bin/lex
                    595:
                    596: Symptom:
                    597: Fix:   rm /usr/lib/libbfd.a
1.4       itojun    598:
                    599: Symptom:Obsolete intermediate files are used during compilation
                    600: Fix:   Try the following sequence of commands in the directory in question.
                    601:        make cleandir; rm `make print-objdir`; make cleandir; make obj
                    602:        (If you built the tree without "make obj" in the past, obsolete files
                    603:        may remain.  The command tries to clean everything up)
1.5       wiz       604:
1.207     mbalmer   605: Symptom:.../sysinst/run.c:xx: warning: initialization from incompatible
                    606:        pointer type
1.5       wiz       607: Fix:   Rebuild and install usr.bin/menuc
1.12      itojun    608:
                    609: Symptom:mklocale not found during build in share/locale/ctype
                    610: Fix:   Build and install usr.bin/mklocale
1.13      dogcow    611:
1.86      kleink    612: Symptom:undefined reference to `__assert13' or `__unsetenv13'
1.13      dogcow    613: Fix:    Rebuild and install lib/libc
                    614:
1.142     drochner  615: Symptom:usr.bin/config fails to build.
1.19      cgd       616: Fix:   Try building with -DMAKE_BOOTSTRAP added to CFLAGS in Makefile.
1.13      dogcow    617:
1.19      cgd       618: Symptom:undefined reference to `getprogname' or `setprogname'
                    619: Fix:    Rebuild and install lib/libc
1.24      abs       620:
                    621: Symptom:lint does not understand the '-X' option
                    622: Fix:    May need to build & install libs with NOLINT=1 before rebuilding lint
1.223     joerg     623:
                    624: Symptom:Update build fails in src/tools/gcc complaining that a variable
                    625:        (e.g. CPPFLAGS) has changed since the previous run.
                    626: Fix:    Run "nbmake-${ARCH} clean" in src/tools/gcc or do a clean build.

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