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Annotation of src/UPDATING, Revision 1.49

1.49    ! jmc         1: $NetBSD: UPDATING,v 1.48 2001/12/02 03:13:10 jmc 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: ^^^^^^^^^^^^^^^
1.49    ! jmc        10: 20011207:
        !            11:
        !            12:        If you're attempting to build a snapshot on sparc64 and are getting
        !            13:        reloc errors from the toolchain groff binary this means your native
        !            14:        toolchain has some broken C++ bits.
        !            15:
        !            16:        To fix:
        !            17:
        !            18:        Build a new toolchain (i.e. build.sh -t)
        !            19:        Use the new toolchain to build and install natively (i.e. /usr/lib)
        !            20:
        !            21:        gnu/lib/libgcc
        !            22:        gnu/lib/libstc++
        !            23:
        !            24:        After this a snapshot will be able to be built.
        !            25:
1.47      jmc        26: 20011201:
                     27:        In order for a sparc64 build to work you must have a working awk. If
                     28:        you've built and installed a system with the new toolchain up to this
                     29:        point you do not have a working awk as it's abililty to do floating
                     30:        point is broken.
                     31:
                     32:        To build:
                     33:
                     34:        remake and install gnu/lib/libgcc
                     35:        remake and install gnu/usr.bin/gawk into /usr/bin (make sure it links
1.48      jmc        36:        against the new libgcc.a)
1.47      jmc        37:
1.46      thorpej    38: 20011128:
                     39:        Kernel config information was changed to use defflag in
                     40:        the various "files" files.  Bug fixes to config(8) are
                     41:        required in order for this to work properly.  Make sure
                     42:        to build and install in usr.sbin/config before attempting
                     43:        to build a new kernel.
                     44:
1.45      yamt       45: 20011030:
                     46:        libc/locale/wcstod.c now needs new lint(1). Update lint(1)
                     47:        before building libc.
1.43      mason      48:
1.44      tv         49: 20011029:
                     50:        The new document BUILDING.mdoc (view with nroff | more, or
                     51:        see pre-generated .txt and .html versions) describes the build
                     52:        procedure in great detail.  BUILDING, and the USE_NEW_TOOLCHAIN
                     53:        build process, are intended in the long run to replace this
                     54:        manual update log.
                     55:
                     56:        Users building a USE_NEW_TOOLCHAIN system should read the
                     57:        BUILDING document for caveats.  Generally, BUILDING supersedes
                     58:        UPDATING for these systems, as tool updating is taken care of
                     59:        by the new build system.
1.42      perry      60:
                     61: 20011028:
                     62:        src/etc/Makefile now needs install to be able to handle
                     63:        symlinks that point to nowhere. A bug in install that
                     64:        prevented this was corrected.
                     65:
                     66:        Solution: update and reinstall usr.bin/xinstall
                     67:        Better Solution: Use the new toolchain and it will just work
                     68:        for you.
1.40      lukem      69:
                     70: 20011006:
                     71:        /etc/mtree/NetBSD.dist has been updated to take advantage of
                     72:        absolute path support added to mtree(8). Older mtree(8)s don't
                     73:        understand the format.
                     74:
                     75:        Solution: update and reinstall usr.sbin/mtree
1.39      jmc        76:
                     77: 20011004:
                     78:        Crunchgen has been updated to work via reach-over makefiles. Updating
                     79:        is suggested before running a snapshot build
1.36      tv         80:
1.35      thorpej    81: 20010915:
                     82:        The new "ubcperf" code committed by Chuck Silvers removed
                     83:        a header file, uvm/uvm_vnode.h.  There may be stale .depend
                     84:        files that still reference this file.
                     85:
                     86:        Solution: "make cleandir && make dependall" in affected
                     87:        directories.
1.31      enami      88:
                     89: 20010803:
                     90:        grep.info is now built from grep.texi using makeinfo.  Since it
                     91:        requires makeinfo v4.0, you need to install new texinfo before
                     92:        building gnu/usr.bin/grep.  To install new texinfo, please follow
                     93:        the instruction described in 20010726 entry.
1.30      enami      94:
                     95: 20010803:
1.41      wiz        96:        (i386 only): i386 kernel now uses new instructions like
                     97:         `fxsave' which old gas doesn't understand.  To build the
                     98:        kernel successfuly, you need to build and install new gas
                     99:        (gnu/usr.bin/gas.new), or (temporarily) comment out
                    100:        "options I686_CPU" from your kernel configuration until you
                    101:        rebuilt your userland (and got a new gas).
1.29      bjh21     102:
                    103: 20010731:
                    104:        Bootloader update on ELF platforms.  DDB in kernels from before
                    105:        this will be unable to read symbol tables provided by newer
                    106:        bootloaders.
1.27      assar     107:
                    108: 20010726:
                    109:        Texinfo was updated to 4.0.  To avoid failures when trying to
1.28      assar     110:        build the included texinfo files, do:
                    111:
                    112:        cd src/gnu/usr.bin/texinfo
                    113:        make MKINFO=no dependall install
1.25      thorpej   114:
                    115: 20010718:
                    116:        Enabled correct .init/.fini processing in crt0.  The way this
                    117:        was done was to change a -I directive to cc(1), which means
                    118:        make(1) will have a stale dependency (it will be checking the
                    119:        timestamp on the wrong "dot_init.h").
                    120:
                    121:        The symptom you will see is that new programs die with SIGSEGV
                    122:        if you have a stale dependency.
                    123:
                    124:        Solution: "make cleandir" in both lib/csu and libexec/ld.elf_so
                    125:        before starting your build.
1.26      thorpej   126:
                    127: 20010628:
                    128:        A construct was added to uvm_page.h that uncovered a bug
                    129:        in lint(1).  If you get a warning/error about a non-portable
                    130:        bitfield, update your lint(1) before proceeding.
1.21      jmc       131:
                    132: 20010226:
1.22      jmc       133:        Added named user/group to system. Need to hand add this in or builds
1.21      jmc       134:        will break as mtree aborts early.
                    135:
                    136:        To work around add by hand:
                    137:
                    138:        named:*:14:
                    139:
1.22      jmc       140:        to /etc/group and add:
                    141:
                    142:        named:*:14:14::0:0:Named pseudo-user:/var/named:/sbin/nologin
                    143:
                    144:        to master.passwd (use vipw for instance if doing by hand).
                    145:
                    146:        Now a make build should progress.
1.18      jmc       147:
                    148: 20010219:
                    149:        get/setprogname() added. Any hostprog's that may use this will need
1.20      jmc       150:         to be bootstrapped manually until the host system is current.
1.18      jmc       151:
                    152:         Known problems: sys/arch/macppc/stand/fixcoff
1.19      cgd       153:                        usr.sbin/config (adding -DMAKE_BOOTSTRAP to
                    154:                          CFLAGS and rebuilding should work)
1.20      jmc       155:                        usr.sbin/mdsetimage - Build a static copy if
                    156:                          building a snapshot before fully bootstrapped.
1.15      christos  157:
                    158: 20010204:
                    159:        prepare the code to compile with stricter gcc flags. in
                    160:        particular start eliminating redundant declarations. Yacc
                    161:        needs to be installed before make build.
1.10      christos  162:
                    163: 20010114:
                    164:        introduce .if commands(target) in make(1). You need to
                    165:        bring everything up-to-date first, then without installing
1.23      tron      166:        anything make and install in usr.bin/make, then proceed
1.10      christos  167:        with make build.
1.9       sommerfe  168:
                    169: 20010101:
                    170:        bsd.subdir.mk committed 20001230 had a bug which caused
                    171:        afterinstall targets to run too soon; update again.
1.8       sommerfe  172:
                    173: 20001230:
                    174:        New share/mk files needed to support .WAIT in SUBDIR variables.
                    175:        If you get make errors,
                    176:                (cd share/mk; make install)
                    177:        Also, PRINTOBJDIR has changed and is now used more heavily.
1.6       ad        178:
                    179: 20001019:
1.7       ad        180:        The `ca' device driver has been replaced by `ld'; although the
1.6       ad        181:        major and minor numbers haven't changed, you should update your /dev
                    182:        directory.
1.1       abs       183:
1.4       itojun    184: 20000929:
                    185:        The following make directives are obsoleted.
                    186:        MKCRYPTO_RSA NOCRYPTO_RSA NOCRYPTO_RC5 NOCRYPTO_IDEA
                    187:        By default, RSA is built into libcrypto.  IDEA and RC5 will not be
1.16      wiz       188:        built into libcrypto.  By using MKCRYPTO_{RC5,IDEA}, you can build
1.4       itojun    189:        additional library libcrypto_{idea,rc5}.
1.1       abs       190:
                    191:
                    192: Hints for a more successful build:
                    193: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
1.2       mrg       194:     Build a new kernel first:
                    195:        This makes sure that any new system calls or features
                    196:           expected by the new userland will be present.  This
                    197:           helps to avoid critical errors when upgrading.
1.1       abs       198:     Use object directories:
                    199:        This helps to keep stale object
                    200:           files from polluting the build if a Makefile "forgets"
                    201:           about one.  It also makes it easier to clean up after
                    202:           a build.  It's also necessary if you want to use the
                    203:           same source tree for multiple machines.
                    204:           To use object directories:
                    205:            a) cd /usr/src ; make cleandir
1.2       mrg       206:            b) Add "OBJMACHINE=yes" to /etc/mk.conf
                    207:            c) Add "MKOBJDIRS=yes" to /etc/mk.conf
1.1       abs       208:            d) cd /usr/src ; make build
1.2       mrg       209:           Note that running "make obj" in a directory will create
                    210:           in obj.$MACHINE directory.
1.1       abs       211:     Build to a DESTDIR:
                    212:        This helps to keep old
                    213:           installed files (especially libraries) from interfering
                    214:           with the new build.
                    215:           To build to a DESTDIR, set the DESTDIR environment
1.2       mrg       216:           variable before running make build.  It should be set to
                    217:           the pathname of an initially empty directory.
1.1       abs       218:           Problems: you might need to update critical utilities
                    219:                without using DESTDIR since nothing is executed
                    220:                from what is installed in DESTDIR.
                    221:                (See critical utils, below)
                    222:     Build often:
                    223:        This keeps critical utilities current enough to not choke
                    224:        on any other part of the source tree that depends on up to
                    225:        date functionality.
                    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:
                    261: if [ -z $BSDSRCDIR ] ; then
                    262:     BSDSRCDIR=/usr/src
                    263: fi
                    264: if [ \! -d $BSDSRCDIR ] ; then
                    265:     echo Unable to find sources
                    266:     exit 1
                    267: fi
                    268: find $BSDSRCDIR -name \*.o -o -name obj.\* -o -name obj -exec rm \{\} \;
                    269:
                    270: if [ -z $BSDOBJDIR ] ; then
                    271:     BSDOBJDIR=/usr/obj
                    272: fi
                    273: if [ -d $BSDOBJDIR ] ; then
                    274:     rm -rf $BSDOBJDIR
                    275: fi
                    276:
                    277: cd $BSDSRCDIR && make cleandir
                    278:
                    279: ---cut here---
                    280:
                    281: Critical utilities:
                    282: ^^^^^^^^^^^^^^^^^^^
                    283:        gnu/usr.bin/egcs
1.3       itojun    284:        usr.bin/compile_et
1.1       abs       285:        usr.bin/make
                    286:        usr.bin/yacc
                    287:        usr.bin/lex
1.11      lukem     288:        usr.bin/xlint
1.2       mrg       289:        usr.sbin/config
1.1       abs       290:
1.34      simonb    291: Other problems and possible solutions:
1.1       abs       292: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                    293: Symptom:Unreasonable compiler errors.
                    294: Fix:   Rebuild gnu/usr.bin/egcs
                    295:
                    296: Symptom:Complaints involving a Makefile.
1.17      erh       297: Fix:   Rebuild usr.bin/make:
                    298:        cd usr.bin/make && make && make install
                    299:         Or, a failsafe method if that doesn't work:
                    300:        cd usr.bin/make && cc *.c */*.c -I . -o make && mv make /usr/bin
                    301:
1.1       abs       302: Fix:   Make sure .mk files are up to date.
                    303:        cd share/mk && make install
1.2       mrg       304:
                    305: Symptom:Kernel `config' fails to configure any kernel, including GENERIC.
                    306: Fix:   Rebuild usr.sbin/config
1.1       abs       307:
                    308: Symptom:
                    309: Fix:   Rebuild usr.bin/yacc
                    310:
                    311: Symptom:
                    312: Fix:   Rebuild usr.bin/lex
                    313:
                    314: Symptom:
                    315: Fix:   rm /usr/lib/libbfd.a
1.4       itojun    316:
                    317: Symptom:Obsolete intermediate files are used during compilation
                    318: Fix:   Try the following sequence of commands in the directory in question.
                    319:        make cleandir; rm `make print-objdir`; make cleandir; make obj
                    320:        (If you built the tree without "make obj" in the past, obsolete files
                    321:        may remain.  The command tries to clean everything up)
1.5       wiz       322:
                    323: Symptom:.../sysinst/run.c:xx: warning: initialization from incompatible pointer type
                    324: Fix:   Rebuild and install usr.bin/menuc
1.12      itojun    325:
                    326: Symptom:mklocale not found during build in share/locale/ctype
                    327: Fix:   Build and install usr.bin/mklocale
1.13      dogcow    328:
                    329: Symptom:undefined reference to `__assert13'
                    330: Fix:    Rebuild and install lib/libc
                    331:
1.19      cgd       332: Symptom:usr.sbin/config fails to build.
                    333: Fix:   Try building with -DMAKE_BOOTSTRAP added to CFLAGS in Makefile.
1.13      dogcow    334:
1.19      cgd       335: Symptom:undefined reference to `getprogname' or `setprogname'
                    336: Fix:    Rebuild and install lib/libc
1.24      abs       337:
                    338: Symptom:lint does not understand the '-X' option
                    339: Fix:    May need to build & install libs with NOLINT=1 before rebuilding lint

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