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Annotation of src/UPDATING, Revision 1.177

1.177   ! christos    1: $NetBSD: UPDATING,v 1.176 2008/08/02 14:30:37 simonb 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:
1.177   ! christos   19: 20080813:
        !            20:        MKDEBUG build was broken because the .depend files did not know
        !            21:        about .go files. You need to remove all .depend files and rebuild.
        !            22:
1.175     simonb     23: 20080731:
                     24:        WAPBL (metadata journaling support) has been added, but at this
                     25:        time isn't backwards compatible with pre-WAPBL aware kernels
                     26:        and userland (fsck_ffs in particular).  Please make sure you
                     27:        don't use a journaled filesystem with an older kernel/userland,
1.176     simonb     28:        especially an uncleanly mounted journaled filesystem.  WAPBL
                     29:        also requires the super block to be in the UFS2 format.  You
                     30:        can use fsck_ffs -c 4 to update the superblock format.
1.175     simonb     31:
1.174     lukem      32: 20080721:
                     33:        Assembler warnings are now fatal if $WARNS>0 and $NOGCCERROR
                     34:        isn't defined.
                     35:
1.173     freza      36: 20080531:
                     37:        The ioctl number of DRVSUSPENDDEV command on /dev/drvctl changed
                     38:        from 125 (conflicted with DRVCTLCOMMAND) to 129. The drvctl(8)
                     39:        utility needs to be rebuilt and reinstalled as older binaries
                     40:        won't work correctly. The following sequence of commands:
                     41:
                     42:          $ (cd sys/sys/ && nbmake-$arch includes)
                     43:          $ (cd sbin/drvctl/ && nbmake-$arch clean)
                     44:          $ (cd sbin/drvctl/ && nbmake-$arch all)
                     45:
                     46:        leaves new drvctl utility in sbin/drvctl build directory.
                     47:
1.172     lukem      48: 20080503:
                     49:        The <bsd.lib.mk> variable MKPRIVATELIB was renamed to LIBISPRIVATE.
                     50:
1.171     he         51: 20080521:
                     52:        For a while, unprivileged UPDATE builds would fail to
                     53:        succeed at the checkflist stage, complaining that
                     54:        ${DESTDIR}/stand/<arch>/ did not exist.  A fix for this
                     55:        problem was committed to share/mk/bsd.kmodule.mk, revision 1.9.
                     56:        If you already hit this problem, update the .mk file,
                     57:        remove ${DESTDIR}/stand/<arch>, and re-run the build.
                     58:
1.174     lukem      59: 20080303:
                     60:        Linker warnings are now fatal if $WARNS>0.
                     61:
1.170     christos   62: 20080126:
                     63:        The posix_fadvise system call has been changed from an assembly
                     64:        stub, to a c file that calls an assembly stub. You need to
                     65:        'rm -f posix_fadvise.* .depend' in the libc build directory to
                     66:        avoid using the old assembly stub.
                     67:
1.168     joerg      68: 20071209:
                     69:        The acpiec(4) driver has been split into two attachments. If you
                     70:        get ACPI errors before the attachment, please update your kernel
1.169     wiz        71:        configuration file appropriately or see GENERIC for more details.
1.168     joerg      72:
1.166     xtraeme    73: 20071115:
                     74:        The it(4) driver has been renamed to itesio(4) and the old port
                     75:        argument specified in the kernel configuration file is not valid
                     76:        anymore. The itesio(4) driver now uses the Super I/O address port
                     77:        rather than the EC address port. Please update your kernel
1.167     wiz        78:        configuration file appropriately or see GENERIC for more details.
1.166     xtraeme    79:
1.165     jmmv       80: 20071028:
                     81:        The pccons(4) driver has been removed from the NetBSD/shark port.
                     82:        You need to update any custom kernel configuration file you have
                     83:        to remove any references to pccons (which includes removing the
                     84:        now useless XSERVER option) and replace them with the correct
                     85:        entries for the wscons driver.  See the GENERIC configuration file
                     86:        for more details.
                     87:
1.164     gdt        88: 20070913:
                     89:        A latent bug in dhclient/dhcpd that caused it to be unable to
                     90:        enumerate interfaces was fixed.  The bug began to cause
                     91:        problems after 20070911 when the kernel's SIOCGIFCONF
                     92:        implementation was repaired.  From 20070529 to 20070911 racoon
                     93:        could not enumerate interfaces.  (These are noted because
                     94:        normal kernel/userspace version matching hygiene is not
                     95:        sufficient to avoid this problem.)  Ensure that both kernel
                     96:        and userland are from after 20070913.
                     97:
1.163     joerg      98: 20070703:
                     99:        nbinstall has been renamed as it calls the target specific and
                    100:        the logic to pass down STRIP from mk been removed.  This forces
                    101:        a re-installation of tools.
                    102:
1.161     dsl       103: 20070422:
                    104:        The way OS emulations lookup filenames inside the emulation root
                    105:        has been changed.  Rather than modify the pathname (and copy back
                    106:        to userspace) namei() and lookup() directly check the emulation
                    107:        root. One side effect is that absolute symlinks inside the emulated
1.167     wiz       108:        root file system will be relative to that file system - unless they
1.161     dsl       109:        start /../ this is useful when the emulated root is a real install
                    110:        that has such links.
                    111:        This might affect symlinks that have been added to reference outside
                    112:        the emulated root.
                    113:
1.160     jmcneill  114: 20070412:
                    115:        The pckbc driver on sgimips IP32 has been removed. Use macekbc
                    116:        instead. See the GENERIC32_IP3x kernel configuration for an
                    117:        example.
                    118:
1.159     gdt       119: 20070319:
                    120:         src/lib/libc/Makefile revision 1.129 broke libc and ld.elf_so
                    121:         on many platforms due to incorrect flags settings.  If you
                    122:         updated and built after about 20070315, do "nbmake-$arch
                    123:        cleandir" in src/lib/libc and src/libexec/ld.elf_so to force a
                    124:        rebuild of object files that might have been built
                    125:        incorrectly, and ensure that you have at least
                    126:        src/lib/libc/Makefile 1.130.
                    127:
1.158     dbj       128: 20070210:
                    129:         src/sys/sys/{sa.h,savar.h} were removed.
                    130:           find ${OBJDIR} \( -name .depend -o -name '*.d' \) -print \
                    131:               | xargs egrep -l '/sa.h|/savar.h' | xargs rm
                    132:         will allow dependencies on those files to get get rebuilt
                    133:
1.157     apb       134: 20070209:
                    135:         The threading model was changed when the newlock2 branch
                    136:         was merged to NetBSD-current.  If you boot with a new
                    137:         kernel (version 4.99.10), then you also need a new pthread
                    138:         library (/usr/lib/libpthread.so.0.7).  If you boot with
                    139:         an old kernel, then you need the old pthread library
                    140:         (/usr/lib/libpthread.so.0.6).  Provided you keep the kernel and
                    141:         the pthread library in sync, old threaded applications should
                    142:         continue to work with an old or new kernel.  Note that named(8)
                    143:        is the only threaded application in the base system.
                    144:
1.154     he        145: 20061214:
                    146:        Following the move of string_to_flags() and flags_to_string()
                    147:        from the bin/ls/ sources to libutil, users doing UPDATE builds
                    148:        will need to do a "make cleandir" in
                    149:                tools/mtree/, tools/makefs/, tools/binstall/, tools/pax/,
                    150:                bin/pax/, bin/ls/, usr.sbin/mtree/, usr.sbin/makefs/,
1.156     he        151:                usr.bin/xinstall/, libexec/ftpd/, rescue/, as well
                    152:                as the installation images in distrib/
1.154     he        153:        in order to excise stale references to the old stat_flags.h header
                    154:        file in the ls sources -- stat_flags.h has been removed.
                    155:
1.152     christos  156: 20061108:
                    157:        The configure script used in the src/tools/gcc compiler has been
                    158:        changed to indicate that our libc has ssp support built-in and
                    159:        does not depend on -lssp and -lssp-nonshared. You'll need to
                    160:        make clean in src/tools/gcc first to rebuild the compiler.
                    161:
1.151     rpaulo    162: 20061009:
                    163:        The sysctl variables net.inet{,6}.tcp{,6}.newreno are no longer
                    164:        available. Use net.inet{,6}.tcp{,6}.congctl.selected instead.
                    165:
1.150     bjh21     166: 20060814:
                    167:        The vt, vidcconsole, kbd, and rpckbd drivers on acorn32 have been
                    168:        withdrawn.  Use vidcvideo and pckbd instead.  See the GENERIC
                    169:        kernel configuration for an example.  X servers from the last
                    170:        few years should cope.
                    171:
1.149     christos  172: 20060703:
                    173:        MPACPI is no more. We always configure PCI interrupts using ACPI
                    174:        if we have an ACPI kernel. The option MPACPI_SCANPCI has been renamed
                    175:        to ACPI_SCANPCI. Thanks to work from fvdl.
                    176:
1.148     dogcow    177: 20060627:
                    178:        socket(2) has changed, and its system call has been versioned.
                    179:        For userlands with the old version of socket(2), make sure that
                    180:        your kernel has 'options COMPAT_30' set, or else 'bad system call'
                    181:        errors will result.
                    182:
1.1       abs       183: Hints for a more successful build:
                    184: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
1.123     jmc       185:     Use build.sh, but do not use its "expert mode":
1.132     jmmv      186:        This will automatically build the tools in the
1.123     jmc       187:           correct order, and it will keep the tools and the
                    188:           new build products from interfering with the running
                    189:           system.  This will allow you to ignore most of the
                    190:           other advice in this file.
1.2       mrg       191:     Build a new kernel first:
                    192:        This makes sure that any new system calls or features
                    193:           expected by the new userland will be present.  This
                    194:           helps to avoid critical errors when upgrading.
1.1       abs       195:     Use object directories:
                    196:        This helps to keep stale object
                    197:           files from polluting the build if a Makefile "forgets"
                    198:           about one.  It also makes it easier to clean up after
                    199:           a build.  It's also necessary if you want to use the
                    200:           same source tree for multiple machines.
1.123     jmc       201:           To use object directories with build.sh:
                    202:            a) invoke build.sh with the "-M" or "-O" options.
                    203:           To use object directories without using build.sh:
1.1       abs       204:            a) cd /usr/src ; make cleandir
1.2       mrg       205:            b) Add "OBJMACHINE=yes" to /etc/mk.conf
                    206:            c) Add "MKOBJDIRS=yes" to /etc/mk.conf
1.1       abs       207:            d) cd /usr/src ; make build
1.2       mrg       208:           Note that running "make obj" in a directory will create
                    209:           in obj.$MACHINE directory.
1.1       abs       210:     Build to a DESTDIR:
1.123     jmc       211:        This helps to keep old installed files (especially libraries)
                    212:           from interfering with the new build.
                    213:           To build to a DESTDIR with build.sh, use the "-D" option.
                    214:           To build to a DESTDIR without using build.sh, set the DESTDIR
                    215:           environment variable before running make build.  It should be
                    216:           set to the pathname of an initially empty directory.
                    217:           Problems: if you do not use build.sh, you might need to
                    218:                update critical utilities without using DESTDIR since
                    219:                nothing is executed from what is installed in DESTDIR.
                    220:                (See critical utils, below.)
1.1       abs       221:     Build often:
                    222:        This keeps critical utilities current enough to not choke
                    223:        on any other part of the source tree that depends on up to
1.123     jmc       224:        date functionality.  If you use build.sh, you should not have
                    225:        this problem.
1.1       abs       226:
                    227: What to do if things don't work:
                    228: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                    229: When things don't work there is usually a few things that commonly
                    230: should be done.
                    231:     1) make includes
                    232:        This should be done automatically by make build.
                    233:     2)  cd share/mk && make install
                    234:        Again, automatically done by make build.
                    235:
                    236: Failsafe rebuild of a small part of the tree:
                    237: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                    238: To make sure you rebuild something correctly you want to do
                    239: something like the following:
                    240:     1)  Make sure the includes and .mk files are up to date.
                    241:     2)  Make sure any program used to build the particular
                    242:        utility is up to date.  (yacc, lex, etc...)
                    243:     3)  cd ...path/to/util...
                    244:        make cleandir
                    245:        rm ...all obj directories...
                    246:        make cleandir                   # yes, again
                    247:        make obj
                    248:        make depend && make
                    249:
                    250: Failsafe rebuild of the entire tree:
                    251: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                    252: If you really want to make sure the source tree is clean and
1.2       mrg       253: ready for a build try the following.  Note that sourcing /etc/mk.conf
                    254: (a make(1) Makefile) in this manner is not right, and will not work
                    255: for anyone who uses any make(1) features in /etc/mk.conf.
1.1       abs       256:
                    257: ---cut here---
                    258: #!/bin/sh
                    259: . /etc/mk.conf
                    260:
1.58      lukem     261: if [ -z $NETBSDSRCDIR ] ; then
                    262:     NETBSDSRCDIR=/usr/src
1.1       abs       263: fi
1.58      lukem     264: if [ \! -d $NETBSDSRCDIR ] ; then
1.1       abs       265:     echo Unable to find sources
                    266:     exit 1
                    267: fi
1.58      lukem     268: find $NETBSDSRCDIR -name \*.o -o -name obj.\* -o -name obj -exec rm \{\} \;
1.1       abs       269:
                    270: if [ -z $BSDOBJDIR ] ; then
                    271:     BSDOBJDIR=/usr/obj
                    272: fi
                    273: if [ -d $BSDOBJDIR ] ; then
                    274:     rm -rf $BSDOBJDIR
                    275: fi
                    276:
1.58      lukem     277: cd $NETBSDSRCDIR && make cleandir
1.1       abs       278:
                    279: ---cut here---
                    280:
                    281: Critical utilities:
                    282: ^^^^^^^^^^^^^^^^^^^
1.3       itojun    283:        usr.bin/compile_et
1.1       abs       284:        usr.bin/make
                    285:        usr.bin/yacc
                    286:        usr.bin/lex
1.11      lukem     287:        usr.bin/xlint
1.142     drochner  288:        usr.bin/config
1.1       abs       289:
1.34      simonb    290: Other problems and possible solutions:
1.1       abs       291: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                    292: Symptom:Complaints involving a Makefile.
1.17      erh       293: Fix:   Rebuild usr.bin/make:
                    294:        cd usr.bin/make && make && make install
1.111     simonb    295:        Or, a failsafe method if that doesn't work:
1.17      erh       296:        cd usr.bin/make && cc *.c */*.c -I . -o make && mv make /usr/bin
                    297:
1.1       abs       298: Fix:   Make sure .mk files are up to date.
                    299:        cd share/mk && make install
1.2       mrg       300:
                    301: Symptom:Kernel `config' fails to configure any kernel, including GENERIC.
1.142     drochner  302: Fix:   Rebuild usr.bin/config
1.1       abs       303:
                    304: Symptom:
                    305: Fix:   Rebuild usr.bin/yacc
                    306:
                    307: Symptom:
                    308: Fix:   Rebuild usr.bin/lex
                    309:
                    310: Symptom:
                    311: Fix:   rm /usr/lib/libbfd.a
1.4       itojun    312:
                    313: Symptom:Obsolete intermediate files are used during compilation
                    314: Fix:   Try the following sequence of commands in the directory in question.
                    315:        make cleandir; rm `make print-objdir`; make cleandir; make obj
                    316:        (If you built the tree without "make obj" in the past, obsolete files
                    317:        may remain.  The command tries to clean everything up)
1.5       wiz       318:
                    319: Symptom:.../sysinst/run.c:xx: warning: initialization from incompatible pointer type
                    320: Fix:   Rebuild and install usr.bin/menuc
1.12      itojun    321:
                    322: Symptom:mklocale not found during build in share/locale/ctype
                    323: Fix:   Build and install usr.bin/mklocale
1.13      dogcow    324:
1.86      kleink    325: Symptom:undefined reference to `__assert13' or `__unsetenv13'
1.13      dogcow    326: Fix:    Rebuild and install lib/libc
                    327:
1.142     drochner  328: Symptom:usr.bin/config fails to build.
1.19      cgd       329: Fix:   Try building with -DMAKE_BOOTSTRAP added to CFLAGS in Makefile.
1.13      dogcow    330:
1.19      cgd       331: Symptom:undefined reference to `getprogname' or `setprogname'
                    332: Fix:    Rebuild and install lib/libc
1.24      abs       333:
                    334: Symptom:lint does not understand the '-X' option
                    335: Fix:    May need to build & install libs with NOLINT=1 before rebuilding lint

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