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Annotation of src/UPDATING, Revision 1.187

1.187   ! dholland    1: $NetBSD: UPDATING,v 1.186 2009/01/11 03:31:12 christos 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: ^^^^^^^^^^^^^^^
1.138     lukem      18:
1.184     christos   19: 20090110:
                     20:        time_t and dev_t have been bumped to 64 bit quantities. To upgrade:
                     21:        1. Make sure your kernel has COMPAT_50 in it. Build and install.
                     22:        2. make sure build.sh completes and the binaries in a chroot work
                     23:           before installing.
                     24:        3. If you don't use build.sh and you build directly to root, and
1.187   ! dholland   25:           your build breaks in the middle, don't despair. Make sure headers
1.184     christos   26:           are installed properly, and start building libraries first libc
                     27:           and libutil, install them and then continue building all the
                     28:           libraries in src/lib and src/gnu/lib and install them. Once
                     29:           the new libraries are installed, you can restart the build.
                     30:        4. If you compile packages and you notice link time warnings,
                     31:           you'll need to bump them and rebuild them.
1.186     christos   32:        5. Next time you run pwd_mkdb with the new binary, the file
                     33:           will be upgraded and it will not be backwards compatible.
                     34:        6. The utmpx/wtmpx files have been versioned, and there is
                     35:           a heuristic for utmp. You are better off removing the
                     36:           old files after upgrading.
1.185     jmcneill   37:
1.183     pgoyette   38: 20081219:
                     39:        config(1) has been updated, and one of the files it creates -
                     40:        swapnetbsd.o - has changed format.  You need to rebuild config
                     41:        (done automatically by build.sh) and then you need to rerun
                     42:        config on all kernel configuration files before rebuilding those
                     43:        kernels.
                     44:
1.181     cube       45: 20081205:
                     46:        If you build with MKX11=no, you should remove /etc/rc.d/xdm and
                     47:        /etc/rc.d/xfs from DESTDIR because those files were moved to the xetc
                     48:        set and will appear as extra files for MKX11=no update builds.
1.178     lukem      49:
1.179     tsutsui    50: 20081122:
1.182     tsutsui    51:        On i386, various kernel options(4) in GENERIC including
1.180     wiz        52:        file systems have been disabled and moved into kernel modules.
                     53:        Before trying a new GENERIC kernel, you have to prepare the
1.179     tsutsui    54:        following files as well as a new GENERIC kernel:
                     55:
                     56:        - build and install kernel modules from src/sys/modules
                     57:
                     58:        - install the latest bootloader, which will load a module
1.180     wiz        59:          for the file system from which the kernel is loaded automatically
1.179     tsutsui    60:
1.180     wiz        61:        If you have to load your kernel from a file system which is not of
                     62:        the same type as the root file system, you have to load the necessary
                     63:        file system module manually on the boot prompt or in the boot.cfg file.
1.179     tsutsui    64:
1.178     lukem      65: 20080827:
                     66:        If you built and installed a libc from sources between
                     67:        2008/08/20 and 2008/08/26 you got a broken strtouq(3)
                     68:        which results in false errors reported by lint(1).
                     69:        Since this breaks the libc build itself, manual help is
1.180     wiz        70:        needed -- lint must be disabled temporarily, e.g.:
1.178     lukem      71:          $ (cd lib/libc && make MKLINT=no dependall install)
                     72:
1.177     christos   73: 20080813:
                     74:        MKDEBUG build was broken because the .depend files did not know
                     75:        about .go files. You need to remove all .depend files and rebuild.
                     76:
1.175     simonb     77: 20080731:
                     78:        WAPBL (metadata journaling support) has been added, but at this
                     79:        time isn't backwards compatible with pre-WAPBL aware kernels
                     80:        and userland (fsck_ffs in particular).  Please make sure you
                     81:        don't use a journaled filesystem with an older kernel/userland,
1.176     simonb     82:        especially an uncleanly mounted journaled filesystem.  WAPBL
                     83:        also requires the super block to be in the UFS2 format.  You
                     84:        can use fsck_ffs -c 4 to update the superblock format.
1.175     simonb     85:
1.174     lukem      86: 20080721:
                     87:        Assembler warnings are now fatal if $WARNS>0 and $NOGCCERROR
                     88:        isn't defined.
                     89:
1.173     freza      90: 20080531:
                     91:        The ioctl number of DRVSUSPENDDEV command on /dev/drvctl changed
                     92:        from 125 (conflicted with DRVCTLCOMMAND) to 129. The drvctl(8)
                     93:        utility needs to be rebuilt and reinstalled as older binaries
                     94:        won't work correctly. The following sequence of commands:
                     95:
                     96:          $ (cd sys/sys/ && nbmake-$arch includes)
                     97:          $ (cd sbin/drvctl/ && nbmake-$arch clean)
                     98:          $ (cd sbin/drvctl/ && nbmake-$arch all)
                     99:
                    100:        leaves new drvctl utility in sbin/drvctl build directory.
                    101:
1.172     lukem     102: 20080503:
                    103:        The <bsd.lib.mk> variable MKPRIVATELIB was renamed to LIBISPRIVATE.
                    104:
1.171     he        105: 20080521:
                    106:        For a while, unprivileged UPDATE builds would fail to
                    107:        succeed at the checkflist stage, complaining that
                    108:        ${DESTDIR}/stand/<arch>/ did not exist.  A fix for this
                    109:        problem was committed to share/mk/bsd.kmodule.mk, revision 1.9.
                    110:        If you already hit this problem, update the .mk file,
                    111:        remove ${DESTDIR}/stand/<arch>, and re-run the build.
                    112:
1.174     lukem     113: 20080303:
                    114:        Linker warnings are now fatal if $WARNS>0.
                    115:
1.170     christos  116: 20080126:
                    117:        The posix_fadvise system call has been changed from an assembly
                    118:        stub, to a c file that calls an assembly stub. You need to
                    119:        'rm -f posix_fadvise.* .depend' in the libc build directory to
                    120:        avoid using the old assembly stub.
                    121:
1.168     joerg     122: 20071209:
                    123:        The acpiec(4) driver has been split into two attachments. If you
                    124:        get ACPI errors before the attachment, please update your kernel
1.169     wiz       125:        configuration file appropriately or see GENERIC for more details.
1.168     joerg     126:
1.166     xtraeme   127: 20071115:
                    128:        The it(4) driver has been renamed to itesio(4) and the old port
                    129:        argument specified in the kernel configuration file is not valid
                    130:        anymore. The itesio(4) driver now uses the Super I/O address port
                    131:        rather than the EC address port. Please update your kernel
1.167     wiz       132:        configuration file appropriately or see GENERIC for more details.
1.166     xtraeme   133:
1.165     jmmv      134: 20071028:
                    135:        The pccons(4) driver has been removed from the NetBSD/shark port.
                    136:        You need to update any custom kernel configuration file you have
                    137:        to remove any references to pccons (which includes removing the
                    138:        now useless XSERVER option) and replace them with the correct
                    139:        entries for the wscons driver.  See the GENERIC configuration file
                    140:        for more details.
                    141:
1.164     gdt       142: 20070913:
                    143:        A latent bug in dhclient/dhcpd that caused it to be unable to
                    144:        enumerate interfaces was fixed.  The bug began to cause
                    145:        problems after 20070911 when the kernel's SIOCGIFCONF
                    146:        implementation was repaired.  From 20070529 to 20070911 racoon
                    147:        could not enumerate interfaces.  (These are noted because
                    148:        normal kernel/userspace version matching hygiene is not
                    149:        sufficient to avoid this problem.)  Ensure that both kernel
                    150:        and userland are from after 20070913.
                    151:
1.163     joerg     152: 20070703:
                    153:        nbinstall has been renamed as it calls the target specific and
                    154:        the logic to pass down STRIP from mk been removed.  This forces
                    155:        a re-installation of tools.
                    156:
1.161     dsl       157: 20070422:
                    158:        The way OS emulations lookup filenames inside the emulation root
                    159:        has been changed.  Rather than modify the pathname (and copy back
                    160:        to userspace) namei() and lookup() directly check the emulation
                    161:        root. One side effect is that absolute symlinks inside the emulated
1.167     wiz       162:        root file system will be relative to that file system - unless they
1.161     dsl       163:        start /../ this is useful when the emulated root is a real install
                    164:        that has such links.
                    165:        This might affect symlinks that have been added to reference outside
                    166:        the emulated root.
                    167:
1.160     jmcneill  168: 20070412:
                    169:        The pckbc driver on sgimips IP32 has been removed. Use macekbc
                    170:        instead. See the GENERIC32_IP3x kernel configuration for an
                    171:        example.
                    172:
1.159     gdt       173: 20070319:
                    174:         src/lib/libc/Makefile revision 1.129 broke libc and ld.elf_so
                    175:         on many platforms due to incorrect flags settings.  If you
                    176:         updated and built after about 20070315, do "nbmake-$arch
                    177:        cleandir" in src/lib/libc and src/libexec/ld.elf_so to force a
                    178:        rebuild of object files that might have been built
                    179:        incorrectly, and ensure that you have at least
                    180:        src/lib/libc/Makefile 1.130.
                    181:
1.158     dbj       182: 20070210:
                    183:         src/sys/sys/{sa.h,savar.h} were removed.
                    184:           find ${OBJDIR} \( -name .depend -o -name '*.d' \) -print \
                    185:               | xargs egrep -l '/sa.h|/savar.h' | xargs rm
                    186:         will allow dependencies on those files to get get rebuilt
                    187:
1.157     apb       188: 20070209:
                    189:         The threading model was changed when the newlock2 branch
                    190:         was merged to NetBSD-current.  If you boot with a new
                    191:         kernel (version 4.99.10), then you also need a new pthread
                    192:         library (/usr/lib/libpthread.so.0.7).  If you boot with
                    193:         an old kernel, then you need the old pthread library
                    194:         (/usr/lib/libpthread.so.0.6).  Provided you keep the kernel and
                    195:         the pthread library in sync, old threaded applications should
                    196:         continue to work with an old or new kernel.  Note that named(8)
                    197:        is the only threaded application in the base system.
                    198:
1.154     he        199: 20061214:
                    200:        Following the move of string_to_flags() and flags_to_string()
                    201:        from the bin/ls/ sources to libutil, users doing UPDATE builds
                    202:        will need to do a "make cleandir" in
                    203:                tools/mtree/, tools/makefs/, tools/binstall/, tools/pax/,
                    204:                bin/pax/, bin/ls/, usr.sbin/mtree/, usr.sbin/makefs/,
1.156     he        205:                usr.bin/xinstall/, libexec/ftpd/, rescue/, as well
                    206:                as the installation images in distrib/
1.154     he        207:        in order to excise stale references to the old stat_flags.h header
                    208:        file in the ls sources -- stat_flags.h has been removed.
                    209:
1.152     christos  210: 20061108:
                    211:        The configure script used in the src/tools/gcc compiler has been
                    212:        changed to indicate that our libc has ssp support built-in and
                    213:        does not depend on -lssp and -lssp-nonshared. You'll need to
                    214:        make clean in src/tools/gcc first to rebuild the compiler.
                    215:
1.151     rpaulo    216: 20061009:
                    217:        The sysctl variables net.inet{,6}.tcp{,6}.newreno are no longer
                    218:        available. Use net.inet{,6}.tcp{,6}.congctl.selected instead.
                    219:
1.150     bjh21     220: 20060814:
                    221:        The vt, vidcconsole, kbd, and rpckbd drivers on acorn32 have been
                    222:        withdrawn.  Use vidcvideo and pckbd instead.  See the GENERIC
                    223:        kernel configuration for an example.  X servers from the last
                    224:        few years should cope.
                    225:
1.149     christos  226: 20060703:
                    227:        MPACPI is no more. We always configure PCI interrupts using ACPI
                    228:        if we have an ACPI kernel. The option MPACPI_SCANPCI has been renamed
                    229:        to ACPI_SCANPCI. Thanks to work from fvdl.
                    230:
1.148     dogcow    231: 20060627:
                    232:        socket(2) has changed, and its system call has been versioned.
                    233:        For userlands with the old version of socket(2), make sure that
                    234:        your kernel has 'options COMPAT_30' set, or else 'bad system call'
                    235:        errors will result.
                    236:
1.1       abs       237: Hints for a more successful build:
                    238: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
1.123     jmc       239:     Use build.sh, but do not use its "expert mode":
1.132     jmmv      240:        This will automatically build the tools in the
1.123     jmc       241:           correct order, and it will keep the tools and the
                    242:           new build products from interfering with the running
                    243:           system.  This will allow you to ignore most of the
                    244:           other advice in this file.
1.2       mrg       245:     Build a new kernel first:
                    246:        This makes sure that any new system calls or features
                    247:           expected by the new userland will be present.  This
                    248:           helps to avoid critical errors when upgrading.
1.1       abs       249:     Use object directories:
                    250:        This helps to keep stale object
                    251:           files from polluting the build if a Makefile "forgets"
                    252:           about one.  It also makes it easier to clean up after
                    253:           a build.  It's also necessary if you want to use the
                    254:           same source tree for multiple machines.
1.123     jmc       255:           To use object directories with build.sh:
                    256:            a) invoke build.sh with the "-M" or "-O" options.
                    257:           To use object directories without using build.sh:
1.1       abs       258:            a) cd /usr/src ; make cleandir
1.2       mrg       259:            b) Add "OBJMACHINE=yes" to /etc/mk.conf
                    260:            c) Add "MKOBJDIRS=yes" to /etc/mk.conf
1.1       abs       261:            d) cd /usr/src ; make build
1.2       mrg       262:           Note that running "make obj" in a directory will create
                    263:           in obj.$MACHINE directory.
1.1       abs       264:     Build to a DESTDIR:
1.123     jmc       265:        This helps to keep old installed files (especially libraries)
                    266:           from interfering with the new build.
                    267:           To build to a DESTDIR with build.sh, use the "-D" option.
                    268:           To build to a DESTDIR without using build.sh, set the DESTDIR
                    269:           environment variable before running make build.  It should be
                    270:           set to the pathname of an initially empty directory.
                    271:           Problems: if you do not use build.sh, you might need to
                    272:                update critical utilities without using DESTDIR since
                    273:                nothing is executed from what is installed in DESTDIR.
                    274:                (See critical utils, below.)
1.1       abs       275:     Build often:
                    276:        This keeps critical utilities current enough to not choke
                    277:        on any other part of the source tree that depends on up to
1.123     jmc       278:        date functionality.  If you use build.sh, you should not have
                    279:        this problem.
1.1       abs       280:
                    281: What to do if things don't work:
                    282: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                    283: When things don't work there is usually a few things that commonly
                    284: should be done.
                    285:     1) make includes
                    286:        This should be done automatically by make build.
                    287:     2)  cd share/mk && make install
                    288:        Again, automatically done by make build.
                    289:
                    290: Failsafe rebuild of a small part of the tree:
                    291: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                    292: To make sure you rebuild something correctly you want to do
                    293: something like the following:
                    294:     1)  Make sure the includes and .mk files are up to date.
                    295:     2)  Make sure any program used to build the particular
                    296:        utility is up to date.  (yacc, lex, etc...)
                    297:     3)  cd ...path/to/util...
                    298:        make cleandir
                    299:        rm ...all obj directories...
                    300:        make cleandir                   # yes, again
                    301:        make obj
                    302:        make depend && make
                    303:
                    304: Failsafe rebuild of the entire tree:
                    305: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                    306: If you really want to make sure the source tree is clean and
1.2       mrg       307: ready for a build try the following.  Note that sourcing /etc/mk.conf
                    308: (a make(1) Makefile) in this manner is not right, and will not work
                    309: for anyone who uses any make(1) features in /etc/mk.conf.
1.1       abs       310:
                    311: ---cut here---
                    312: #!/bin/sh
                    313: . /etc/mk.conf
                    314:
1.58      lukem     315: if [ -z $NETBSDSRCDIR ] ; then
                    316:     NETBSDSRCDIR=/usr/src
1.1       abs       317: fi
1.58      lukem     318: if [ \! -d $NETBSDSRCDIR ] ; then
1.1       abs       319:     echo Unable to find sources
                    320:     exit 1
                    321: fi
1.58      lukem     322: find $NETBSDSRCDIR -name \*.o -o -name obj.\* -o -name obj -exec rm \{\} \;
1.1       abs       323:
                    324: if [ -z $BSDOBJDIR ] ; then
                    325:     BSDOBJDIR=/usr/obj
                    326: fi
                    327: if [ -d $BSDOBJDIR ] ; then
                    328:     rm -rf $BSDOBJDIR
                    329: fi
                    330:
1.58      lukem     331: cd $NETBSDSRCDIR && make cleandir
1.1       abs       332:
                    333: ---cut here---
                    334:
                    335: Critical utilities:
                    336: ^^^^^^^^^^^^^^^^^^^
1.3       itojun    337:        usr.bin/compile_et
1.1       abs       338:        usr.bin/make
                    339:        usr.bin/yacc
                    340:        usr.bin/lex
1.11      lukem     341:        usr.bin/xlint
1.142     drochner  342:        usr.bin/config
1.1       abs       343:
1.34      simonb    344: Other problems and possible solutions:
1.1       abs       345: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                    346: Symptom:Complaints involving a Makefile.
1.17      erh       347: Fix:   Rebuild usr.bin/make:
                    348:        cd usr.bin/make && make && make install
1.111     simonb    349:        Or, a failsafe method if that doesn't work:
1.17      erh       350:        cd usr.bin/make && cc *.c */*.c -I . -o make && mv make /usr/bin
                    351:
1.1       abs       352: Fix:   Make sure .mk files are up to date.
                    353:        cd share/mk && make install
1.2       mrg       354:
                    355: Symptom:Kernel `config' fails to configure any kernel, including GENERIC.
1.142     drochner  356: Fix:   Rebuild usr.bin/config
1.1       abs       357:
                    358: Symptom:
                    359: Fix:   Rebuild usr.bin/yacc
                    360:
                    361: Symptom:
                    362: Fix:   Rebuild usr.bin/lex
                    363:
                    364: Symptom:
                    365: Fix:   rm /usr/lib/libbfd.a
1.4       itojun    366:
                    367: Symptom:Obsolete intermediate files are used during compilation
                    368: Fix:   Try the following sequence of commands in the directory in question.
                    369:        make cleandir; rm `make print-objdir`; make cleandir; make obj
                    370:        (If you built the tree without "make obj" in the past, obsolete files
                    371:        may remain.  The command tries to clean everything up)
1.5       wiz       372:
                    373: Symptom:.../sysinst/run.c:xx: warning: initialization from incompatible pointer type
                    374: Fix:   Rebuild and install usr.bin/menuc
1.12      itojun    375:
                    376: Symptom:mklocale not found during build in share/locale/ctype
                    377: Fix:   Build and install usr.bin/mklocale
1.13      dogcow    378:
1.86      kleink    379: Symptom:undefined reference to `__assert13' or `__unsetenv13'
1.13      dogcow    380: Fix:    Rebuild and install lib/libc
                    381:
1.142     drochner  382: Symptom:usr.bin/config fails to build.
1.19      cgd       383: Fix:   Try building with -DMAKE_BOOTSTRAP added to CFLAGS in Makefile.
1.13      dogcow    384:
1.19      cgd       385: Symptom:undefined reference to `getprogname' or `setprogname'
                    386: Fix:    Rebuild and install lib/libc
1.24      abs       387:
                    388: Symptom:lint does not understand the '-X' option
                    389: Fix:    May need to build & install libs with NOLINT=1 before rebuilding lint

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