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Annotation of src/UPDATING, Revision 1.170.6.2

1.170.6.2! wrstuden    1: $NetBSD: UPDATING,v 1.170.6.1 2008/06/23 04:26:44 wrstuden 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:
1.170.6.2! wrstuden   19:
        !            20: 20080827:
        !            21:        If you built and installed a libc from sources between
        !            22:        2008/08/20 and 2008/08/26 you got a broken strtouq(3)
        !            23:        which results in false errors reported by lint(1).
        !            24:        Since this breaks the libc build itself, manual help is
        !            25:        needed -- lint must be disabled temporarily, e.g:
        !            26:          $ (cd lib/libc && make MKLINT=no dependall install)
        !            27:
        !            28: 20080813:
        !            29:        MKDEBUG build was broken because the .depend files did not know
        !            30:        about .go files. You need to remove all .depend files and rebuild.
        !            31:
        !            32: 20080731:
        !            33:        WAPBL (metadata journaling support) has been added, but at this
        !            34:        time isn't backwards compatible with pre-WAPBL aware kernels
        !            35:        and userland (fsck_ffs in particular).  Please make sure you
        !            36:        don't use a journaled filesystem with an older kernel/userland,
        !            37:        especially an uncleanly mounted journaled filesystem.  WAPBL
        !            38:        also requires the super block to be in the UFS2 format.  You
        !            39:        can use fsck_ffs -c 4 to update the superblock format.
        !            40:
        !            41: 20080721:
        !            42:        Assembler warnings are now fatal if $WARNS>0 and $NOGCCERROR
        !            43:        isn't defined.
        !            44:
1.170.6.1  wrstuden   45: 20080531:
                     46:        The ioctl number of DRVSUSPENDDEV command on /dev/drvctl changed
                     47:        from 125 (conflicted with DRVCTLCOMMAND) to 129. The drvctl(8)
                     48:        utility needs to be rebuilt and reinstalled as older binaries
                     49:        won't work correctly. The following sequence of commands:
                     50:
                     51:          $ (cd sys/sys/ && nbmake-$arch includes)
                     52:          $ (cd sbin/drvctl/ && nbmake-$arch clean)
                     53:          $ (cd sbin/drvctl/ && nbmake-$arch all)
                     54:
                     55:        leaves new drvctl utility in sbin/drvctl build directory.
                     56:
                     57: 20080503:
                     58:        The <bsd.lib.mk> variable MKPRIVATELIB was renamed to LIBISPRIVATE.
                     59:
                     60: 20080521:
                     61:        For a while, unprivileged UPDATE builds would fail to
                     62:        succeed at the checkflist stage, complaining that
                     63:        ${DESTDIR}/stand/<arch>/ did not exist.  A fix for this
                     64:        problem was committed to share/mk/bsd.kmodule.mk, revision 1.9.
                     65:        If you already hit this problem, update the .mk file,
                     66:        remove ${DESTDIR}/stand/<arch>, and re-run the build.
                     67:
1.170.6.2! wrstuden   68: 20080303:
        !            69:        Linker warnings are now fatal if $WARNS>0.
        !            70:
1.170     christos   71: 20080126:
                     72:        The posix_fadvise system call has been changed from an assembly
                     73:        stub, to a c file that calls an assembly stub. You need to
                     74:        'rm -f posix_fadvise.* .depend' in the libc build directory to
                     75:        avoid using the old assembly stub.
                     76:
1.168     joerg      77: 20071209:
                     78:        The acpiec(4) driver has been split into two attachments. If you
                     79:        get ACPI errors before the attachment, please update your kernel
1.169     wiz        80:        configuration file appropriately or see GENERIC for more details.
1.168     joerg      81:
1.166     xtraeme    82: 20071115:
                     83:        The it(4) driver has been renamed to itesio(4) and the old port
                     84:        argument specified in the kernel configuration file is not valid
                     85:        anymore. The itesio(4) driver now uses the Super I/O address port
                     86:        rather than the EC address port. Please update your kernel
1.167     wiz        87:        configuration file appropriately or see GENERIC for more details.
1.166     xtraeme    88:
1.165     jmmv       89: 20071028:
                     90:        The pccons(4) driver has been removed from the NetBSD/shark port.
                     91:        You need to update any custom kernel configuration file you have
                     92:        to remove any references to pccons (which includes removing the
                     93:        now useless XSERVER option) and replace them with the correct
                     94:        entries for the wscons driver.  See the GENERIC configuration file
                     95:        for more details.
                     96:
1.164     gdt        97: 20070913:
                     98:        A latent bug in dhclient/dhcpd that caused it to be unable to
                     99:        enumerate interfaces was fixed.  The bug began to cause
                    100:        problems after 20070911 when the kernel's SIOCGIFCONF
                    101:        implementation was repaired.  From 20070529 to 20070911 racoon
                    102:        could not enumerate interfaces.  (These are noted because
                    103:        normal kernel/userspace version matching hygiene is not
                    104:        sufficient to avoid this problem.)  Ensure that both kernel
                    105:        and userland are from after 20070913.
                    106:
1.163     joerg     107: 20070703:
                    108:        nbinstall has been renamed as it calls the target specific and
                    109:        the logic to pass down STRIP from mk been removed.  This forces
                    110:        a re-installation of tools.
                    111:
1.161     dsl       112: 20070422:
                    113:        The way OS emulations lookup filenames inside the emulation root
                    114:        has been changed.  Rather than modify the pathname (and copy back
                    115:        to userspace) namei() and lookup() directly check the emulation
                    116:        root. One side effect is that absolute symlinks inside the emulated
1.167     wiz       117:        root file system will be relative to that file system - unless they
1.161     dsl       118:        start /../ this is useful when the emulated root is a real install
                    119:        that has such links.
                    120:        This might affect symlinks that have been added to reference outside
                    121:        the emulated root.
                    122:
1.160     jmcneill  123: 20070412:
                    124:        The pckbc driver on sgimips IP32 has been removed. Use macekbc
                    125:        instead. See the GENERIC32_IP3x kernel configuration for an
                    126:        example.
                    127:
1.159     gdt       128: 20070319:
                    129:         src/lib/libc/Makefile revision 1.129 broke libc and ld.elf_so
                    130:         on many platforms due to incorrect flags settings.  If you
                    131:         updated and built after about 20070315, do "nbmake-$arch
                    132:        cleandir" in src/lib/libc and src/libexec/ld.elf_so to force a
                    133:        rebuild of object files that might have been built
                    134:        incorrectly, and ensure that you have at least
                    135:        src/lib/libc/Makefile 1.130.
                    136:
1.158     dbj       137: 20070210:
                    138:         src/sys/sys/{sa.h,savar.h} were removed.
                    139:           find ${OBJDIR} \( -name .depend -o -name '*.d' \) -print \
                    140:               | xargs egrep -l '/sa.h|/savar.h' | xargs rm
                    141:         will allow dependencies on those files to get get rebuilt
                    142:
1.157     apb       143: 20070209:
                    144:         The threading model was changed when the newlock2 branch
                    145:         was merged to NetBSD-current.  If you boot with a new
                    146:         kernel (version 4.99.10), then you also need a new pthread
                    147:         library (/usr/lib/libpthread.so.0.7).  If you boot with
                    148:         an old kernel, then you need the old pthread library
                    149:         (/usr/lib/libpthread.so.0.6).  Provided you keep the kernel and
                    150:         the pthread library in sync, old threaded applications should
                    151:         continue to work with an old or new kernel.  Note that named(8)
                    152:        is the only threaded application in the base system.
                    153:
1.154     he        154: 20061214:
                    155:        Following the move of string_to_flags() and flags_to_string()
                    156:        from the bin/ls/ sources to libutil, users doing UPDATE builds
                    157:        will need to do a "make cleandir" in
                    158:                tools/mtree/, tools/makefs/, tools/binstall/, tools/pax/,
                    159:                bin/pax/, bin/ls/, usr.sbin/mtree/, usr.sbin/makefs/,
1.156     he        160:                usr.bin/xinstall/, libexec/ftpd/, rescue/, as well
                    161:                as the installation images in distrib/
1.154     he        162:        in order to excise stale references to the old stat_flags.h header
                    163:        file in the ls sources -- stat_flags.h has been removed.
                    164:
1.152     christos  165: 20061108:
                    166:        The configure script used in the src/tools/gcc compiler has been
                    167:        changed to indicate that our libc has ssp support built-in and
                    168:        does not depend on -lssp and -lssp-nonshared. You'll need to
                    169:        make clean in src/tools/gcc first to rebuild the compiler.
                    170:
1.151     rpaulo    171: 20061009:
                    172:        The sysctl variables net.inet{,6}.tcp{,6}.newreno are no longer
                    173:        available. Use net.inet{,6}.tcp{,6}.congctl.selected instead.
                    174:
1.150     bjh21     175: 20060814:
                    176:        The vt, vidcconsole, kbd, and rpckbd drivers on acorn32 have been
                    177:        withdrawn.  Use vidcvideo and pckbd instead.  See the GENERIC
                    178:        kernel configuration for an example.  X servers from the last
                    179:        few years should cope.
                    180:
1.149     christos  181: 20060703:
                    182:        MPACPI is no more. We always configure PCI interrupts using ACPI
                    183:        if we have an ACPI kernel. The option MPACPI_SCANPCI has been renamed
                    184:        to ACPI_SCANPCI. Thanks to work from fvdl.
                    185:
1.148     dogcow    186: 20060627:
                    187:        socket(2) has changed, and its system call has been versioned.
                    188:        For userlands with the old version of socket(2), make sure that
                    189:        your kernel has 'options COMPAT_30' set, or else 'bad system call'
                    190:        errors will result.
                    191:
1.1       abs       192: Hints for a more successful build:
                    193: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
1.123     jmc       194:     Use build.sh, but do not use its "expert mode":
1.132     jmmv      195:        This will automatically build the tools in the
1.123     jmc       196:           correct order, and it will keep the tools and the
                    197:           new build products from interfering with the running
                    198:           system.  This will allow you to ignore most of the
                    199:           other advice in this file.
1.2       mrg       200:     Build a new kernel first:
                    201:        This makes sure that any new system calls or features
                    202:           expected by the new userland will be present.  This
                    203:           helps to avoid critical errors when upgrading.
1.1       abs       204:     Use object directories:
                    205:        This helps to keep stale object
                    206:           files from polluting the build if a Makefile "forgets"
                    207:           about one.  It also makes it easier to clean up after
                    208:           a build.  It's also necessary if you want to use the
                    209:           same source tree for multiple machines.
1.123     jmc       210:           To use object directories with build.sh:
                    211:            a) invoke build.sh with the "-M" or "-O" options.
                    212:           To use object directories without using build.sh:
1.1       abs       213:            a) cd /usr/src ; make cleandir
1.2       mrg       214:            b) Add "OBJMACHINE=yes" to /etc/mk.conf
                    215:            c) Add "MKOBJDIRS=yes" to /etc/mk.conf
1.1       abs       216:            d) cd /usr/src ; make build
1.2       mrg       217:           Note that running "make obj" in a directory will create
                    218:           in obj.$MACHINE directory.
1.1       abs       219:     Build to a DESTDIR:
1.123     jmc       220:        This helps to keep old installed files (especially libraries)
                    221:           from interfering with the new build.
                    222:           To build to a DESTDIR with build.sh, use the "-D" option.
                    223:           To build to a DESTDIR without using build.sh, set the DESTDIR
                    224:           environment variable before running make build.  It should be
                    225:           set to the pathname of an initially empty directory.
                    226:           Problems: if you do not use build.sh, you might need to
                    227:                update critical utilities without using DESTDIR since
                    228:                nothing is executed from what is installed in DESTDIR.
                    229:                (See critical utils, below.)
1.1       abs       230:     Build often:
                    231:        This keeps critical utilities current enough to not choke
                    232:        on any other part of the source tree that depends on up to
1.123     jmc       233:        date functionality.  If you use build.sh, you should not have
                    234:        this problem.
1.1       abs       235:
                    236: What to do if things don't work:
                    237: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                    238: When things don't work there is usually a few things that commonly
                    239: should be done.
                    240:     1) make includes
                    241:        This should be done automatically by make build.
                    242:     2)  cd share/mk && make install
                    243:        Again, automatically done by make build.
                    244:
                    245: Failsafe rebuild of a small part of the tree:
                    246: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                    247: To make sure you rebuild something correctly you want to do
                    248: something like the following:
                    249:     1)  Make sure the includes and .mk files are up to date.
                    250:     2)  Make sure any program used to build the particular
                    251:        utility is up to date.  (yacc, lex, etc...)
                    252:     3)  cd ...path/to/util...
                    253:        make cleandir
                    254:        rm ...all obj directories...
                    255:        make cleandir                   # yes, again
                    256:        make obj
                    257:        make depend && make
                    258:
                    259: Failsafe rebuild of the entire tree:
                    260: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                    261: If you really want to make sure the source tree is clean and
1.2       mrg       262: ready for a build try the following.  Note that sourcing /etc/mk.conf
                    263: (a make(1) Makefile) in this manner is not right, and will not work
                    264: for anyone who uses any make(1) features in /etc/mk.conf.
1.1       abs       265:
                    266: ---cut here---
                    267: #!/bin/sh
                    268: . /etc/mk.conf
                    269:
1.58      lukem     270: if [ -z $NETBSDSRCDIR ] ; then
                    271:     NETBSDSRCDIR=/usr/src
1.1       abs       272: fi
1.58      lukem     273: if [ \! -d $NETBSDSRCDIR ] ; then
1.1       abs       274:     echo Unable to find sources
                    275:     exit 1
                    276: fi
1.58      lukem     277: find $NETBSDSRCDIR -name \*.o -o -name obj.\* -o -name obj -exec rm \{\} \;
1.1       abs       278:
                    279: if [ -z $BSDOBJDIR ] ; then
                    280:     BSDOBJDIR=/usr/obj
                    281: fi
                    282: if [ -d $BSDOBJDIR ] ; then
                    283:     rm -rf $BSDOBJDIR
                    284: fi
                    285:
1.58      lukem     286: cd $NETBSDSRCDIR && make cleandir
1.1       abs       287:
                    288: ---cut here---
                    289:
                    290: Critical utilities:
                    291: ^^^^^^^^^^^^^^^^^^^
1.3       itojun    292:        usr.bin/compile_et
1.1       abs       293:        usr.bin/make
                    294:        usr.bin/yacc
                    295:        usr.bin/lex
1.11      lukem     296:        usr.bin/xlint
1.142     drochner  297:        usr.bin/config
1.1       abs       298:
1.34      simonb    299: Other problems and possible solutions:
1.1       abs       300: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                    301: Symptom:Complaints involving a Makefile.
1.17      erh       302: Fix:   Rebuild usr.bin/make:
                    303:        cd usr.bin/make && make && make install
1.111     simonb    304:        Or, a failsafe method if that doesn't work:
1.17      erh       305:        cd usr.bin/make && cc *.c */*.c -I . -o make && mv make /usr/bin
                    306:
1.1       abs       307: Fix:   Make sure .mk files are up to date.
                    308:        cd share/mk && make install
1.2       mrg       309:
                    310: Symptom:Kernel `config' fails to configure any kernel, including GENERIC.
1.142     drochner  311: Fix:   Rebuild usr.bin/config
1.1       abs       312:
                    313: Symptom:
                    314: Fix:   Rebuild usr.bin/yacc
                    315:
                    316: Symptom:
                    317: Fix:   Rebuild usr.bin/lex
                    318:
                    319: Symptom:
                    320: Fix:   rm /usr/lib/libbfd.a
1.4       itojun    321:
                    322: Symptom:Obsolete intermediate files are used during compilation
                    323: Fix:   Try the following sequence of commands in the directory in question.
                    324:        make cleandir; rm `make print-objdir`; make cleandir; make obj
                    325:        (If you built the tree without "make obj" in the past, obsolete files
                    326:        may remain.  The command tries to clean everything up)
1.5       wiz       327:
                    328: Symptom:.../sysinst/run.c:xx: warning: initialization from incompatible pointer type
                    329: Fix:   Rebuild and install usr.bin/menuc
1.12      itojun    330:
                    331: Symptom:mklocale not found during build in share/locale/ctype
                    332: Fix:   Build and install usr.bin/mklocale
1.13      dogcow    333:
1.86      kleink    334: Symptom:undefined reference to `__assert13' or `__unsetenv13'
1.13      dogcow    335: Fix:    Rebuild and install lib/libc
                    336:
1.142     drochner  337: Symptom:usr.bin/config fails to build.
1.19      cgd       338: Fix:   Try building with -DMAKE_BOOTSTRAP added to CFLAGS in Makefile.
1.13      dogcow    339:
1.19      cgd       340: Symptom:undefined reference to `getprogname' or `setprogname'
                    341: Fix:    Rebuild and install lib/libc
1.24      abs       342:
                    343: Symptom:lint does not understand the '-X' option
                    344: Fix:    May need to build & install libs with NOLINT=1 before rebuilding lint

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