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Annotation of src/UPDATING, Revision 1.75

1.75    ! thorpej     1: $NetBSD: UPDATING,v 1.74 2002/11/20 04:36:43 jschauma Exp $
1.1       abs         2:
                      3: This file is intended to be a brief introduction to the build
                      4: process and a reference on what to do if something doesn't work.
                      5:
                      6: For a more detailed description see Makefile.
                      7:
                      8: Recent changes:
                      9: ^^^^^^^^^^^^^^^
1.75    ! thorpej    10:
        !            11: 20021121:
        !            12:        A bug related to how ARM ELF objects were tagged has been
        !            13:        corrected.
        !            14:
        !            15:        NetBSD ARM ELF uses the soft-VFP floating point model by
        !            16:        default.  However, the assembler lacked support for marking
        !            17:        objects as using the VFP floating point format, and the
        !            18:        compiler was no properly passing the flag indicating "soft-VFP"
        !            19:        to the assembler.
        !            20:
        !            21:        Unfortunately, this means that the linker will now consider
        !            22:        old (i.e. not marked "softvfp") NetBSD ARM ELF objects to be
        !            23:        incompatible with new (properly marked) objects.
        !            24:
        !            25:        The problem will only manifest itself if you attempt to compile
        !            26:        a new program using the fixed toolchain, and link that program
        !            27:        against old libraries which do not have the proper "softvfp"
        !            28:        markings.  ALL OF YOUR EXISTING BINARIES AND SHARED LIBRARIES
        !            29:        WILL CONTINUE TO WORK PROPERLY.
        !            30:
        !            31:        The only work-around for the problem is to recompile all of
        !            32:        the libraries on the system.  The easiest way to do this for
        !            33:        system libraries is to install a binary snapshot; there are
        !            34:        generally available on releng.netbsd.org.  Any packages you
        !            35:        have installed which supply libraries will have to be recompiled
        !            36:        if you wish to link new programs against those libraries.
        !            37:
        !            38:        If you have questions about this matter, please contact
        !            39:        port-arm@netbsd.org.
1.73      provos     40:
                     41: 20021011:
                     42:        Systrace has been improved to support privilege elevation.
                     43:        Updating the kernel requires the userland part of systrace
                     44:        to be rebuild.
1.72      thorpej    45:
                     46: 20021010:
                     47:        The config(8) grammar was changed to allow options to register
                     48:        dependencies on attributes, as well as other options.  Users
                     49:        must update and reinstall usr.sbin/config before building a new
                     50:        kernel.
1.70      thorpej    51:
                     52: 20021009:
                     53:        A new attribute dependency syntax was introduced to config(8),
                     54:        which is now used by the SCSI configuration description.  Users
1.71      wiz        55:        must update and reinstall usr.sbin/config before building a new
1.70      thorpej    56:        kernel.
1.69      thorpej    57:
                     58: 20021003:
                     59:        Several changes have been made to the autoconfiguration
                     60:        framework.  Users must update and reinstall usr.sbin/config
                     61:        before building a new kernel.
1.74      jschauma   62:
                     63: 20021001:
                     64:        The i386mp branch has been merged.  To compile a kernel, users
                     65:        will need to add the option 'cpu* at mainbus?' to their configuration
                     66:        file.  Multiprocessor kernels will need
                     67:        ioapic*         at mainbus? apid ?
                     68:        options         MULTIPROCESSOR
                     69:        options         COM_MPLOCK
1.68      lukem      70:
                     71: 20020922:
                     72:        MKDYNAMICROOT=yes enabled by default, which means that
                     73:        certain shared libraries are installed into /lib, the shared
                     74:        linker is installed into /libexec, and all programs in /bin
                     75:        and /sbin are dynamically linked.
                     76:        If you do not use "make build", you should ensure that
                     77:        you have the libraries and shared linker in the new locations,
                     78:        with:
                     79:                make do-lib-csu do-lib-libc do-lib do-gnu-lib do-ld.elf_so
1.67      lukem      80:
                     81: 20020917:
                     82:        USE_NEW_TOOLCHAIN has been replaced with:
                     83:            -   TOOLCHAIN_MISSING -- set to "yes" on platforms for which
                     84:                there is no working in-tree toolchain (hppa, ns32k, sh5,
                     85:                x86_64).
                     86:            -   EXTERNAL_TOOLCHAIN -- if defined by the user, points to the
                     87:                root ofan external toolchain (e.g. /usr/local/gnu).  This
                     88:                enables the cross-build framework even for TOOLCHAIN_MISSING
                     89:                platforms.
1.66      gehenna    90:
                     91: 20020906:
                     92:        gehenna-devsw has been merged into the trunk. Need to update and
                     93:        reinstall usr.sbin/config before build the kernel.
1.65      lukem      94:
                     95: 20020822:
                     96:        Crunched rescue tools (contents of /bin and /sbin, plus others)
                     97:        are now provided in /rescue.
                     98:
                     99:        To ensure that these are built statically linked (no matter
                    100:        what the setting of LDSTATIC is), use a crunchgen(1) built
                    101:        from sources newer than 20020820 (see the next entry).
                    102:
                    103: 20020820:
                    104:        crunchgen(1) changed to ensure that the generated program
                    105:        is statically linked.
                    106:
                    107:        Solution: update and reinstall usr.bin/crunch
1.61      itojun    108:
                    109: 20020515:
                    110:        sshd user/group has been added.  Need to hand add this in, or sshd
                    111:        will not let you log in (with default, or UsePrivlegeSeparation=yes)
                    112:
                    113:        Add the following into /etc/group:
                    114:
                    115:        sshd:*:16:
                    116:
                    117:        and the following to /etc/master.passwd (via vipw):
                    118:
1.63      enami     119:        sshd:*:16:16::0:0:& pseudo-user:/var/chroot/sshd:/sbin/nologin
1.61      itojun    120:
1.62      jdolecek  121:        also /var/chroot/sshd directory needs to be present (digged as a part of
1.61      itojun    122:        build process).
1.60      sommerfe  123:
                    124: 20020426:
                    125:        NBUILDJOBS obsoleted in favor of just using -j.
1.59      lukem     126:
                    127: 20020426:
                    128:        etc/postinstall added, which performs various checks for
                    129:        configuration file updates and changes, and can fix most of
                    130:        the problems identified.
                    131:        This should make it much easier to upgrade a system's
                    132:        configuration from earlier systems (as far back as NetBSD 1.5).
1.56      lukem     133:
                    134: 20020320:
                    135:        <bsd.lib.mk> needs a new install(1) for it's "-a cmd" support.
1.57      itojun    136:        build and install at usr.bin/xinstall before the build.
1.56      lukem     137:
1.55      itojun    138: 20020319:
                    139:        raw IPv6 socket now makes strict checking for sa_family and sa_len
                    140:        on send(2) operation.  be sure to have sbin/rtsol and usr.sbin/rtsold
                    141:        newer than November 2001 when you upgrade the kernel.
                    142:
1.54      itojun    143: 20020311:
                    144:        ssh configuration files were moved from /etc to /etc/ssh.  Beware
                    145:        if you restart your machine from remote.  Note that sshd.conf needs
                    146:        to be changed (due to the use of "/etc" inside).
                    147:
                    148: 20020223:
1.53      matt      149:        Users of the VAX port will need to rebuild and install gas
                    150:        so it deal with the now present register prefix used in all
                    151:        the VAX assembly files.
                    152:
1.50      itojun    153: 20020118:
                    154:
                    155:        ntpd user/group has been added.  Need to hand add this in or builds
                    156:        will break as mtree aborts early.
                    157:
                    158:        Add the following into /etc/group:
                    159:
                    160:        ntpd:*:15:
                    161:
                    162:        and the following to /etc/master.passwd (via vipw):
                    163:
                    164:        ntpd:*:15:15::0:0:Ntpd pseudo-user:/var/chroot/ntpd:/sbin/nologin
                    165:
1.49      jmc       166: 20011207:
                    167:
                    168:        If you're attempting to build a snapshot on sparc64 and are getting
                    169:        reloc errors from the toolchain groff binary this means your native
                    170:        toolchain has some broken C++ bits.
                    171:
                    172:        To fix:
                    173:
                    174:        Build a new toolchain (i.e. build.sh -t)
                    175:        Use the new toolchain to build and install natively (i.e. /usr/lib)
                    176:
                    177:        gnu/lib/libgcc
1.51      pooka     178:        gnu/lib/libstdc++
1.49      jmc       179:
                    180:        After this a snapshot will be able to be built.
                    181:
1.47      jmc       182: 20011201:
                    183:        In order for a sparc64 build to work you must have a working awk. If
                    184:        you've built and installed a system with the new toolchain up to this
1.52      wiz       185:        point you do not have a working awk as its ability to do floating
1.47      jmc       186:        point is broken.
                    187:
                    188:        To build:
                    189:
                    190:        remake and install gnu/lib/libgcc
                    191:        remake and install gnu/usr.bin/gawk into /usr/bin (make sure it links
1.48      jmc       192:        against the new libgcc.a)
1.47      jmc       193:
1.46      thorpej   194: 20011128:
                    195:        Kernel config information was changed to use defflag in
                    196:        the various "files" files.  Bug fixes to config(8) are
                    197:        required in order for this to work properly.  Make sure
                    198:        to build and install in usr.sbin/config before attempting
                    199:        to build a new kernel.
                    200:
1.45      yamt      201: 20011030:
                    202:        libc/locale/wcstod.c now needs new lint(1). Update lint(1)
                    203:        before building libc.
1.43      mason     204:
1.44      tv        205: 20011029:
                    206:        The new document BUILDING.mdoc (view with nroff | more, or
                    207:        see pre-generated .txt and .html versions) describes the build
                    208:        procedure in great detail.  BUILDING, and the USE_NEW_TOOLCHAIN
                    209:        build process, are intended in the long run to replace this
                    210:        manual update log.
                    211:
                    212:        Users building a USE_NEW_TOOLCHAIN system should read the
                    213:        BUILDING document for caveats.  Generally, BUILDING supersedes
                    214:        UPDATING for these systems, as tool updating is taken care of
                    215:        by the new build system.
1.42      perry     216:
                    217: 20011028:
                    218:        src/etc/Makefile now needs install to be able to handle
                    219:        symlinks that point to nowhere. A bug in install that
                    220:        prevented this was corrected.
                    221:
                    222:        Solution: update and reinstall usr.bin/xinstall
                    223:        Better Solution: Use the new toolchain and it will just work
                    224:        for you.
1.40      lukem     225:
                    226: 20011006:
                    227:        /etc/mtree/NetBSD.dist has been updated to take advantage of
                    228:        absolute path support added to mtree(8). Older mtree(8)s don't
                    229:        understand the format.
                    230:
                    231:        Solution: update and reinstall usr.sbin/mtree
1.39      jmc       232:
                    233: 20011004:
                    234:        Crunchgen has been updated to work via reach-over makefiles. Updating
                    235:        is suggested before running a snapshot build
1.36      tv        236:
1.35      thorpej   237: 20010915:
                    238:        The new "ubcperf" code committed by Chuck Silvers removed
                    239:        a header file, uvm/uvm_vnode.h.  There may be stale .depend
                    240:        files that still reference this file.
                    241:
                    242:        Solution: "make cleandir && make dependall" in affected
                    243:        directories.
1.31      enami     244:
                    245: 20010803:
                    246:        grep.info is now built from grep.texi using makeinfo.  Since it
                    247:        requires makeinfo v4.0, you need to install new texinfo before
                    248:        building gnu/usr.bin/grep.  To install new texinfo, please follow
                    249:        the instruction described in 20010726 entry.
1.30      enami     250:
1.64      sommerfe  251: 20010803:
1.41      wiz       252:        (i386 only): i386 kernel now uses new instructions like
                    253:         `fxsave' which old gas doesn't understand.  To build the
1.64      sommerfe  254:        kernel successfully, you need to build and install a new toolchain,
                    255:        (i.e., build.sh -t) or  (temporarily) comment out "options I686_CPU"
                    256:        from your kernel configuration until you rebuild your userland.
                    257:        See 20011029 above and BUILDING file in this directory for more information.
                    258:        [updated 20020630 since i386 gas moved when USE_NEW_TOOLCHAIN enabled]
1.29      bjh21     259:
                    260: 20010731:
                    261:        Bootloader update on ELF platforms.  DDB in kernels from before
                    262:        this will be unable to read symbol tables provided by newer
                    263:        bootloaders.
1.27      assar     264:
                    265: 20010726:
                    266:        Texinfo was updated to 4.0.  To avoid failures when trying to
1.28      assar     267:        build the included texinfo files, do:
                    268:
                    269:        cd src/gnu/usr.bin/texinfo
                    270:        make MKINFO=no dependall install
1.25      thorpej   271:
                    272: 20010718:
                    273:        Enabled correct .init/.fini processing in crt0.  The way this
                    274:        was done was to change a -I directive to cc(1), which means
                    275:        make(1) will have a stale dependency (it will be checking the
                    276:        timestamp on the wrong "dot_init.h").
                    277:
                    278:        The symptom you will see is that new programs die with SIGSEGV
                    279:        if you have a stale dependency.
                    280:
                    281:        Solution: "make cleandir" in both lib/csu and libexec/ld.elf_so
                    282:        before starting your build.
1.26      thorpej   283:
                    284: 20010628:
                    285:        A construct was added to uvm_page.h that uncovered a bug
                    286:        in lint(1).  If you get a warning/error about a non-portable
                    287:        bitfield, update your lint(1) before proceeding.
1.21      jmc       288:
                    289: 20010226:
1.22      jmc       290:        Added named user/group to system. Need to hand add this in or builds
1.21      jmc       291:        will break as mtree aborts early.
                    292:
                    293:        To work around add by hand:
                    294:
                    295:        named:*:14:
                    296:
1.22      jmc       297:        to /etc/group and add:
                    298:
                    299:        named:*:14:14::0:0:Named pseudo-user:/var/named:/sbin/nologin
                    300:
                    301:        to master.passwd (use vipw for instance if doing by hand).
                    302:
                    303:        Now a make build should progress.
1.18      jmc       304:
                    305: 20010219:
1.52      wiz       306:        get/setprogname() added. Any hostprogs that may use this will need
1.20      jmc       307:         to be bootstrapped manually until the host system is current.
1.18      jmc       308:
                    309:         Known problems: sys/arch/macppc/stand/fixcoff
1.19      cgd       310:                        usr.sbin/config (adding -DMAKE_BOOTSTRAP to
                    311:                          CFLAGS and rebuilding should work)
1.20      jmc       312:                        usr.sbin/mdsetimage - Build a static copy if
                    313:                          building a snapshot before fully bootstrapped.
1.15      christos  314:
                    315: 20010204:
                    316:        prepare the code to compile with stricter gcc flags. in
                    317:        particular start eliminating redundant declarations. Yacc
                    318:        needs to be installed before make build.
1.10      christos  319:
                    320: 20010114:
                    321:        introduce .if commands(target) in make(1). You need to
                    322:        bring everything up-to-date first, then without installing
1.23      tron      323:        anything make and install in usr.bin/make, then proceed
1.10      christos  324:        with make build.
1.9       sommerfe  325:
                    326: 20010101:
                    327:        bsd.subdir.mk committed 20001230 had a bug which caused
                    328:        afterinstall targets to run too soon; update again.
1.8       sommerfe  329:
                    330: 20001230:
                    331:        New share/mk files needed to support .WAIT in SUBDIR variables.
                    332:        If you get make errors,
                    333:                (cd share/mk; make install)
                    334:        Also, PRINTOBJDIR has changed and is now used more heavily.
1.6       ad        335:
                    336: 20001019:
1.7       ad        337:        The `ca' device driver has been replaced by `ld'; although the
1.6       ad        338:        major and minor numbers haven't changed, you should update your /dev
                    339:        directory.
1.1       abs       340:
1.4       itojun    341: 20000929:
                    342:        The following make directives are obsoleted.
                    343:        MKCRYPTO_RSA NOCRYPTO_RSA NOCRYPTO_RC5 NOCRYPTO_IDEA
                    344:        By default, RSA is built into libcrypto.  IDEA and RC5 will not be
1.16      wiz       345:        built into libcrypto.  By using MKCRYPTO_{RC5,IDEA}, you can build
1.4       itojun    346:        additional library libcrypto_{idea,rc5}.
1.1       abs       347:
                    348:
                    349: Hints for a more successful build:
                    350: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
1.2       mrg       351:     Build a new kernel first:
                    352:        This makes sure that any new system calls or features
                    353:           expected by the new userland will be present.  This
                    354:           helps to avoid critical errors when upgrading.
1.1       abs       355:     Use object directories:
                    356:        This helps to keep stale object
                    357:           files from polluting the build if a Makefile "forgets"
                    358:           about one.  It also makes it easier to clean up after
                    359:           a build.  It's also necessary if you want to use the
                    360:           same source tree for multiple machines.
                    361:           To use object directories:
                    362:            a) cd /usr/src ; make cleandir
1.2       mrg       363:            b) Add "OBJMACHINE=yes" to /etc/mk.conf
                    364:            c) Add "MKOBJDIRS=yes" to /etc/mk.conf
1.1       abs       365:            d) cd /usr/src ; make build
1.2       mrg       366:           Note that running "make obj" in a directory will create
                    367:           in obj.$MACHINE directory.
1.1       abs       368:     Build to a DESTDIR:
                    369:        This helps to keep old
                    370:           installed files (especially libraries) from interfering
                    371:           with the new build.
                    372:           To build to a DESTDIR, set the DESTDIR environment
1.2       mrg       373:           variable before running make build.  It should be set to
                    374:           the pathname of an initially empty directory.
1.1       abs       375:           Problems: you might need to update critical utilities
                    376:                without using DESTDIR since nothing is executed
                    377:                from what is installed in DESTDIR.
                    378:                (See critical utils, below)
                    379:     Build often:
                    380:        This keeps critical utilities current enough to not choke
                    381:        on any other part of the source tree that depends on up to
                    382:        date functionality.
                    383:
                    384: What to do if things don't work:
                    385: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                    386: When things don't work there is usually a few things that commonly
                    387: should be done.
                    388:     1) make includes
                    389:        This should be done automatically by make build.
                    390:     2)  cd share/mk && make install
                    391:        Again, automatically done by make build.
                    392:
                    393: Failsafe rebuild of a small part of the tree:
                    394: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                    395: To make sure you rebuild something correctly you want to do
                    396: something like the following:
                    397:     1)  Make sure the includes and .mk files are up to date.
                    398:     2)  Make sure any program used to build the particular
                    399:        utility is up to date.  (yacc, lex, etc...)
                    400:     3)  cd ...path/to/util...
                    401:        make cleandir
                    402:        rm ...all obj directories...
                    403:        make cleandir                   # yes, again
                    404:        make obj
                    405:        make depend && make
                    406:
                    407: Failsafe rebuild of the entire tree:
                    408: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                    409: If you really want to make sure the source tree is clean and
1.2       mrg       410: ready for a build try the following.  Note that sourcing /etc/mk.conf
                    411: (a make(1) Makefile) in this manner is not right, and will not work
                    412: for anyone who uses any make(1) features in /etc/mk.conf.
1.1       abs       413:
                    414: ---cut here---
                    415: #!/bin/sh
                    416: . /etc/mk.conf
                    417:
1.58      lukem     418: if [ -z $NETBSDSRCDIR ] ; then
                    419:     NETBSDSRCDIR=/usr/src
1.1       abs       420: fi
1.58      lukem     421: if [ \! -d $NETBSDSRCDIR ] ; then
1.1       abs       422:     echo Unable to find sources
                    423:     exit 1
                    424: fi
1.58      lukem     425: find $NETBSDSRCDIR -name \*.o -o -name obj.\* -o -name obj -exec rm \{\} \;
1.1       abs       426:
                    427: if [ -z $BSDOBJDIR ] ; then
                    428:     BSDOBJDIR=/usr/obj
                    429: fi
                    430: if [ -d $BSDOBJDIR ] ; then
                    431:     rm -rf $BSDOBJDIR
                    432: fi
                    433:
1.58      lukem     434: cd $NETBSDSRCDIR && make cleandir
1.1       abs       435:
                    436: ---cut here---
                    437:
                    438: Critical utilities:
                    439: ^^^^^^^^^^^^^^^^^^^
                    440:        gnu/usr.bin/egcs
1.3       itojun    441:        usr.bin/compile_et
1.1       abs       442:        usr.bin/make
                    443:        usr.bin/yacc
                    444:        usr.bin/lex
1.11      lukem     445:        usr.bin/xlint
1.2       mrg       446:        usr.sbin/config
1.1       abs       447:
1.34      simonb    448: Other problems and possible solutions:
1.1       abs       449: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                    450: Symptom:Unreasonable compiler errors.
                    451: Fix:   Rebuild gnu/usr.bin/egcs
                    452:
                    453: Symptom:Complaints involving a Makefile.
1.17      erh       454: Fix:   Rebuild usr.bin/make:
                    455:        cd usr.bin/make && make && make install
                    456:         Or, a failsafe method if that doesn't work:
                    457:        cd usr.bin/make && cc *.c */*.c -I . -o make && mv make /usr/bin
                    458:
1.1       abs       459: Fix:   Make sure .mk files are up to date.
                    460:        cd share/mk && make install
1.2       mrg       461:
                    462: Symptom:Kernel `config' fails to configure any kernel, including GENERIC.
                    463: Fix:   Rebuild usr.sbin/config
1.1       abs       464:
                    465: Symptom:
                    466: Fix:   Rebuild usr.bin/yacc
                    467:
                    468: Symptom:
                    469: Fix:   Rebuild usr.bin/lex
                    470:
                    471: Symptom:
                    472: Fix:   rm /usr/lib/libbfd.a
1.4       itojun    473:
                    474: Symptom:Obsolete intermediate files are used during compilation
                    475: Fix:   Try the following sequence of commands in the directory in question.
                    476:        make cleandir; rm `make print-objdir`; make cleandir; make obj
                    477:        (If you built the tree without "make obj" in the past, obsolete files
                    478:        may remain.  The command tries to clean everything up)
1.5       wiz       479:
                    480: Symptom:.../sysinst/run.c:xx: warning: initialization from incompatible pointer type
                    481: Fix:   Rebuild and install usr.bin/menuc
1.12      itojun    482:
                    483: Symptom:mklocale not found during build in share/locale/ctype
                    484: Fix:   Build and install usr.bin/mklocale
1.13      dogcow    485:
                    486: Symptom:undefined reference to `__assert13'
                    487: Fix:    Rebuild and install lib/libc
                    488:
1.19      cgd       489: Symptom:usr.sbin/config fails to build.
                    490: Fix:   Try building with -DMAKE_BOOTSTRAP added to CFLAGS in Makefile.
1.13      dogcow    491:
1.19      cgd       492: Symptom:undefined reference to `getprogname' or `setprogname'
                    493: Fix:    Rebuild and install lib/libc
1.24      abs       494:
                    495: Symptom:lint does not understand the '-X' option
                    496: Fix:    May need to build & install libs with NOLINT=1 before rebuilding lint

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