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Annotation of src/UPDATING, Revision 1.79

1.79    ! wiz         1: $NetBSD: UPDATING,v 1.78 2002/12/04 12:50:43 lukem 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: ^^^^^^^^^^^^^^^
1.78      lukem      10:
                     11: 20021130:
                     12:        fparseln(3) moved from libutil to libc.
                     13:        If building to DESTDIR=/, reinstall the includes
                     14:        and rebuild libc:
                     15:                make includes
                     16:                make do-lib-libc
                     17:        If using build.sh, "cd tools/compat && make clean"
                     18:        before rebuilding the tools.
1.77      lukem      19:
                     20: 20021126:
                     21:        The mk.conf(5) variable SYS_INCLUDE has been deprecated,
                     22:        including the optional "SYS_INCLUDE=symlinks" support.
                     23:        All header files, including <sys/*.h> are copied into
                     24:        /usr/include.
1.76      thorpej    25:
                     26: 20021121:
                     27:        The C run-time support files crtbegin.o and crtend.o
                     28:        (and their companions crtbeginS.o and crtendS.o) were
                     29:        split up, with new crti.o and crtn.o files resulting.
                     30:        This means that libtool needs to be rebuilt once the
                     31:        new libraries are installed.  The process of rebuilding
                     32:        libtool will cause it to automatically notice the new
                     33:        required files, but it *must* be rebuilt in order to
                     34:        do this.
                     35:
                     36:        An out-of-date libtool will result in shared libraries
                     37:        which lack _init() and _fini() routines, which means that
                     38:        their global contructors/destructors will not be invoked.
1.75      thorpej    39:
                     40: 20021121:
                     41:        A bug related to how ARM ELF objects were tagged has been
                     42:        corrected.
                     43:
                     44:        NetBSD ARM ELF uses the soft-VFP floating point model by
                     45:        default.  However, the assembler lacked support for marking
                     46:        objects as using the VFP floating point format, and the
1.79    ! wiz        47:        compiler was not properly passing the flag indicating "soft-VFP"
1.75      thorpej    48:        to the assembler.
                     49:
                     50:        Unfortunately, this means that the linker will now consider
                     51:        old (i.e. not marked "softvfp") NetBSD ARM ELF objects to be
                     52:        incompatible with new (properly marked) objects.
                     53:
                     54:        The problem will only manifest itself if you attempt to compile
                     55:        a new program using the fixed toolchain, and link that program
                     56:        against old libraries which do not have the proper "softvfp"
                     57:        markings.  ALL OF YOUR EXISTING BINARIES AND SHARED LIBRARIES
                     58:        WILL CONTINUE TO WORK PROPERLY.
                     59:
                     60:        The only work-around for the problem is to recompile all of
                     61:        the libraries on the system.  The easiest way to do this for
1.79    ! wiz        62:        system libraries is to install a binary snapshot; they are
1.75      thorpej    63:        generally available on releng.netbsd.org.  Any packages you
                     64:        have installed which supply libraries will have to be recompiled
                     65:        if you wish to link new programs against those libraries.
                     66:
                     67:        If you have questions about this matter, please contact
                     68:        port-arm@netbsd.org.
1.73      provos     69:
                     70: 20021011:
                     71:        Systrace has been improved to support privilege elevation.
                     72:        Updating the kernel requires the userland part of systrace
1.79    ! wiz        73:        to be rebuilt.
1.72      thorpej    74:
                     75: 20021010:
                     76:        The config(8) grammar was changed to allow options to register
                     77:        dependencies on attributes, as well as other options.  Users
                     78:        must update and reinstall usr.sbin/config before building a new
                     79:        kernel.
1.70      thorpej    80:
                     81: 20021009:
                     82:        A new attribute dependency syntax was introduced to config(8),
                     83:        which is now used by the SCSI configuration description.  Users
1.71      wiz        84:        must update and reinstall usr.sbin/config before building a new
1.70      thorpej    85:        kernel.
1.69      thorpej    86:
                     87: 20021003:
                     88:        Several changes have been made to the autoconfiguration
                     89:        framework.  Users must update and reinstall usr.sbin/config
                     90:        before building a new kernel.
1.74      jschauma   91:
                     92: 20021001:
                     93:        The i386mp branch has been merged.  To compile a kernel, users
                     94:        will need to add the option 'cpu* at mainbus?' to their configuration
                     95:        file.  Multiprocessor kernels will need
                     96:        ioapic*         at mainbus? apid ?
                     97:        options         MULTIPROCESSOR
                     98:        options         COM_MPLOCK
1.68      lukem      99:
                    100: 20020922:
                    101:        MKDYNAMICROOT=yes enabled by default, which means that
                    102:        certain shared libraries are installed into /lib, the shared
                    103:        linker is installed into /libexec, and all programs in /bin
                    104:        and /sbin are dynamically linked.
                    105:        If you do not use "make build", you should ensure that
                    106:        you have the libraries and shared linker in the new locations,
                    107:        with:
                    108:                make do-lib-csu do-lib-libc do-lib do-gnu-lib do-ld.elf_so
1.67      lukem     109:
                    110: 20020917:
                    111:        USE_NEW_TOOLCHAIN has been replaced with:
                    112:            -   TOOLCHAIN_MISSING -- set to "yes" on platforms for which
                    113:                there is no working in-tree toolchain (hppa, ns32k, sh5,
                    114:                x86_64).
                    115:            -   EXTERNAL_TOOLCHAIN -- if defined by the user, points to the
1.79    ! wiz       116:                root of an external toolchain (e.g. /usr/local/gnu).  This
1.67      lukem     117:                enables the cross-build framework even for TOOLCHAIN_MISSING
                    118:                platforms.
1.66      gehenna   119:
                    120: 20020906:
                    121:        gehenna-devsw has been merged into the trunk. Need to update and
1.79    ! wiz       122:        reinstall usr.sbin/config before building the kernel.
1.65      lukem     123:
                    124: 20020822:
                    125:        Crunched rescue tools (contents of /bin and /sbin, plus others)
                    126:        are now provided in /rescue.
                    127:
                    128:        To ensure that these are built statically linked (no matter
                    129:        what the setting of LDSTATIC is), use a crunchgen(1) built
                    130:        from sources newer than 20020820 (see the next entry).
                    131:
                    132: 20020820:
                    133:        crunchgen(1) changed to ensure that the generated program
                    134:        is statically linked.
                    135:
                    136:        Solution: update and reinstall usr.bin/crunch
1.61      itojun    137:
                    138: 20020515:
                    139:        sshd user/group has been added.  Need to hand add this in, or sshd
                    140:        will not let you log in (with default, or UsePrivlegeSeparation=yes)
                    141:
                    142:        Add the following into /etc/group:
                    143:
                    144:        sshd:*:16:
                    145:
                    146:        and the following to /etc/master.passwd (via vipw):
                    147:
1.63      enami     148:        sshd:*:16:16::0:0:& pseudo-user:/var/chroot/sshd:/sbin/nologin
1.61      itojun    149:
1.79    ! wiz       150:        Also /var/chroot/sshd directory needs to be present (digged as part of
        !           151:        the build process).
1.60      sommerfe  152:
                    153: 20020426:
                    154:        NBUILDJOBS obsoleted in favor of just using -j.
1.59      lukem     155:
                    156: 20020426:
                    157:        etc/postinstall added, which performs various checks for
                    158:        configuration file updates and changes, and can fix most of
                    159:        the problems identified.
                    160:        This should make it much easier to upgrade a system's
                    161:        configuration from earlier systems (as far back as NetBSD 1.5).
1.56      lukem     162:
                    163: 20020320:
1.79    ! wiz       164:        <bsd.lib.mk> needs a new install(1) for its "-a cmd" support.
        !           165:        Build and install at usr.bin/xinstall before the build.
1.56      lukem     166:
1.55      itojun    167: 20020319:
1.79    ! wiz       168:        Raw IPv6 socket now makes strict checking for sa_family and sa_len
        !           169:        on send(2) operation.  Be sure to have sbin/rtsol and usr.sbin/rtsold
1.55      itojun    170:        newer than November 2001 when you upgrade the kernel.
                    171:
1.54      itojun    172: 20020311:
                    173:        ssh configuration files were moved from /etc to /etc/ssh.  Beware
                    174:        if you restart your machine from remote.  Note that sshd.conf needs
                    175:        to be changed (due to the use of "/etc" inside).
                    176:
                    177: 20020223:
1.53      matt      178:        Users of the VAX port will need to rebuild and install gas
                    179:        so it deal with the now present register prefix used in all
                    180:        the VAX assembly files.
                    181:
1.50      itojun    182: 20020118:
                    183:        ntpd user/group has been added.  Need to hand add this in or builds
                    184:        will break as mtree aborts early.
                    185:
                    186:        Add the following into /etc/group:
                    187:
                    188:        ntpd:*:15:
                    189:
                    190:        and the following to /etc/master.passwd (via vipw):
                    191:
                    192:        ntpd:*:15:15::0:0:Ntpd pseudo-user:/var/chroot/ntpd:/sbin/nologin
                    193:
1.49      jmc       194: 20011207:
                    195:        If you're attempting to build a snapshot on sparc64 and are getting
                    196:        reloc errors from the toolchain groff binary this means your native
                    197:        toolchain has some broken C++ bits.
                    198:
                    199:        To fix:
                    200:
                    201:        Build a new toolchain (i.e. build.sh -t)
                    202:        Use the new toolchain to build and install natively (i.e. /usr/lib)
                    203:
                    204:        gnu/lib/libgcc
1.51      pooka     205:        gnu/lib/libstdc++
1.49      jmc       206:
                    207:        After this a snapshot will be able to be built.
                    208:
1.47      jmc       209: 20011201:
                    210:        In order for a sparc64 build to work you must have a working awk. If
                    211:        you've built and installed a system with the new toolchain up to this
1.52      wiz       212:        point you do not have a working awk as its ability to do floating
1.47      jmc       213:        point is broken.
                    214:
                    215:        To build:
                    216:
                    217:        remake and install gnu/lib/libgcc
                    218:        remake and install gnu/usr.bin/gawk into /usr/bin (make sure it links
1.48      jmc       219:        against the new libgcc.a)
1.47      jmc       220:
1.46      thorpej   221: 20011128:
                    222:        Kernel config information was changed to use defflag in
                    223:        the various "files" files.  Bug fixes to config(8) are
                    224:        required in order for this to work properly.  Make sure
                    225:        to build and install in usr.sbin/config before attempting
                    226:        to build a new kernel.
                    227:
1.45      yamt      228: 20011030:
                    229:        libc/locale/wcstod.c now needs new lint(1). Update lint(1)
                    230:        before building libc.
1.43      mason     231:
1.44      tv        232: 20011029:
                    233:        The new document BUILDING.mdoc (view with nroff | more, or
                    234:        see pre-generated .txt and .html versions) describes the build
                    235:        procedure in great detail.  BUILDING, and the USE_NEW_TOOLCHAIN
                    236:        build process, are intended in the long run to replace this
                    237:        manual update log.
                    238:
                    239:        Users building a USE_NEW_TOOLCHAIN system should read the
                    240:        BUILDING document for caveats.  Generally, BUILDING supersedes
                    241:        UPDATING for these systems, as tool updating is taken care of
                    242:        by the new build system.
1.42      perry     243:
                    244: 20011028:
                    245:        src/etc/Makefile now needs install to be able to handle
                    246:        symlinks that point to nowhere. A bug in install that
                    247:        prevented this was corrected.
                    248:
                    249:        Solution: update and reinstall usr.bin/xinstall
                    250:        Better Solution: Use the new toolchain and it will just work
                    251:        for you.
1.40      lukem     252:
                    253: 20011006:
                    254:        /etc/mtree/NetBSD.dist has been updated to take advantage of
                    255:        absolute path support added to mtree(8). Older mtree(8)s don't
                    256:        understand the format.
                    257:
                    258:        Solution: update and reinstall usr.sbin/mtree
1.39      jmc       259:
                    260: 20011004:
                    261:        Crunchgen has been updated to work via reach-over makefiles. Updating
                    262:        is suggested before running a snapshot build
1.36      tv        263:
1.35      thorpej   264: 20010915:
                    265:        The new "ubcperf" code committed by Chuck Silvers removed
                    266:        a header file, uvm/uvm_vnode.h.  There may be stale .depend
                    267:        files that still reference this file.
                    268:
                    269:        Solution: "make cleandir && make dependall" in affected
                    270:        directories.
1.31      enami     271:
                    272: 20010803:
                    273:        grep.info is now built from grep.texi using makeinfo.  Since it
                    274:        requires makeinfo v4.0, you need to install new texinfo before
                    275:        building gnu/usr.bin/grep.  To install new texinfo, please follow
                    276:        the instruction described in 20010726 entry.
1.30      enami     277:
1.64      sommerfe  278: 20010803:
1.41      wiz       279:        (i386 only): i386 kernel now uses new instructions like
                    280:         `fxsave' which old gas doesn't understand.  To build the
1.64      sommerfe  281:        kernel successfully, you need to build and install a new toolchain,
                    282:        (i.e., build.sh -t) or  (temporarily) comment out "options I686_CPU"
                    283:        from your kernel configuration until you rebuild your userland.
                    284:        See 20011029 above and BUILDING file in this directory for more information.
                    285:        [updated 20020630 since i386 gas moved when USE_NEW_TOOLCHAIN enabled]
1.29      bjh21     286:
                    287: 20010731:
                    288:        Bootloader update on ELF platforms.  DDB in kernels from before
                    289:        this will be unable to read symbol tables provided by newer
                    290:        bootloaders.
1.27      assar     291:
                    292: 20010726:
                    293:        Texinfo was updated to 4.0.  To avoid failures when trying to
1.28      assar     294:        build the included texinfo files, do:
                    295:
                    296:        cd src/gnu/usr.bin/texinfo
                    297:        make MKINFO=no dependall install
1.25      thorpej   298:
                    299: 20010718:
                    300:        Enabled correct .init/.fini processing in crt0.  The way this
                    301:        was done was to change a -I directive to cc(1), which means
                    302:        make(1) will have a stale dependency (it will be checking the
                    303:        timestamp on the wrong "dot_init.h").
                    304:
                    305:        The symptom you will see is that new programs die with SIGSEGV
                    306:        if you have a stale dependency.
                    307:
                    308:        Solution: "make cleandir" in both lib/csu and libexec/ld.elf_so
                    309:        before starting your build.
1.26      thorpej   310:
                    311: 20010628:
                    312:        A construct was added to uvm_page.h that uncovered a bug
                    313:        in lint(1).  If you get a warning/error about a non-portable
                    314:        bitfield, update your lint(1) before proceeding.
1.21      jmc       315:
                    316: 20010226:
1.22      jmc       317:        Added named user/group to system. Need to hand add this in or builds
1.21      jmc       318:        will break as mtree aborts early.
                    319:
                    320:        To work around add by hand:
                    321:
                    322:        named:*:14:
                    323:
1.22      jmc       324:        to /etc/group and add:
                    325:
                    326:        named:*:14:14::0:0:Named pseudo-user:/var/named:/sbin/nologin
                    327:
                    328:        to master.passwd (use vipw for instance if doing by hand).
                    329:
                    330:        Now a make build should progress.
1.18      jmc       331:
                    332: 20010219:
1.52      wiz       333:        get/setprogname() added. Any hostprogs that may use this will need
1.20      jmc       334:         to be bootstrapped manually until the host system is current.
1.18      jmc       335:
                    336:         Known problems: sys/arch/macppc/stand/fixcoff
1.19      cgd       337:                        usr.sbin/config (adding -DMAKE_BOOTSTRAP to
                    338:                          CFLAGS and rebuilding should work)
1.20      jmc       339:                        usr.sbin/mdsetimage - Build a static copy if
                    340:                          building a snapshot before fully bootstrapped.
1.15      christos  341:
                    342: 20010204:
                    343:        prepare the code to compile with stricter gcc flags. in
                    344:        particular start eliminating redundant declarations. Yacc
                    345:        needs to be installed before make build.
1.10      christos  346:
                    347: 20010114:
                    348:        introduce .if commands(target) in make(1). You need to
                    349:        bring everything up-to-date first, then without installing
1.23      tron      350:        anything make and install in usr.bin/make, then proceed
1.10      christos  351:        with make build.
1.9       sommerfe  352:
                    353: 20010101:
                    354:        bsd.subdir.mk committed 20001230 had a bug which caused
                    355:        afterinstall targets to run too soon; update again.
1.8       sommerfe  356:
                    357: 20001230:
                    358:        New share/mk files needed to support .WAIT in SUBDIR variables.
                    359:        If you get make errors,
                    360:                (cd share/mk; make install)
                    361:        Also, PRINTOBJDIR has changed and is now used more heavily.
1.6       ad        362:
                    363: 20001019:
1.7       ad        364:        The `ca' device driver has been replaced by `ld'; although the
1.6       ad        365:        major and minor numbers haven't changed, you should update your /dev
                    366:        directory.
1.1       abs       367:
1.4       itojun    368: 20000929:
                    369:        The following make directives are obsoleted.
                    370:        MKCRYPTO_RSA NOCRYPTO_RSA NOCRYPTO_RC5 NOCRYPTO_IDEA
                    371:        By default, RSA is built into libcrypto.  IDEA and RC5 will not be
1.16      wiz       372:        built into libcrypto.  By using MKCRYPTO_{RC5,IDEA}, you can build
1.4       itojun    373:        additional library libcrypto_{idea,rc5}.
1.1       abs       374:
                    375:
                    376: Hints for a more successful build:
                    377: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
1.2       mrg       378:     Build a new kernel first:
                    379:        This makes sure that any new system calls or features
                    380:           expected by the new userland will be present.  This
                    381:           helps to avoid critical errors when upgrading.
1.1       abs       382:     Use object directories:
                    383:        This helps to keep stale object
                    384:           files from polluting the build if a Makefile "forgets"
                    385:           about one.  It also makes it easier to clean up after
                    386:           a build.  It's also necessary if you want to use the
                    387:           same source tree for multiple machines.
                    388:           To use object directories:
                    389:            a) cd /usr/src ; make cleandir
1.2       mrg       390:            b) Add "OBJMACHINE=yes" to /etc/mk.conf
                    391:            c) Add "MKOBJDIRS=yes" to /etc/mk.conf
1.1       abs       392:            d) cd /usr/src ; make build
1.2       mrg       393:           Note that running "make obj" in a directory will create
                    394:           in obj.$MACHINE directory.
1.1       abs       395:     Build to a DESTDIR:
                    396:        This helps to keep old
                    397:           installed files (especially libraries) from interfering
                    398:           with the new build.
                    399:           To build to a DESTDIR, set the DESTDIR environment
1.2       mrg       400:           variable before running make build.  It should be set to
                    401:           the pathname of an initially empty directory.
1.1       abs       402:           Problems: you might need to update critical utilities
                    403:                without using DESTDIR since nothing is executed
                    404:                from what is installed in DESTDIR.
                    405:                (See critical utils, below)
                    406:     Build often:
                    407:        This keeps critical utilities current enough to not choke
                    408:        on any other part of the source tree that depends on up to
                    409:        date functionality.
                    410:
                    411: What to do if things don't work:
                    412: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                    413: When things don't work there is usually a few things that commonly
                    414: should be done.
                    415:     1) make includes
                    416:        This should be done automatically by make build.
                    417:     2)  cd share/mk && make install
                    418:        Again, automatically done by make build.
                    419:
                    420: Failsafe rebuild of a small part of the tree:
                    421: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                    422: To make sure you rebuild something correctly you want to do
                    423: something like the following:
                    424:     1)  Make sure the includes and .mk files are up to date.
                    425:     2)  Make sure any program used to build the particular
                    426:        utility is up to date.  (yacc, lex, etc...)
                    427:     3)  cd ...path/to/util...
                    428:        make cleandir
                    429:        rm ...all obj directories...
                    430:        make cleandir                   # yes, again
                    431:        make obj
                    432:        make depend && make
                    433:
                    434: Failsafe rebuild of the entire tree:
                    435: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                    436: If you really want to make sure the source tree is clean and
1.2       mrg       437: ready for a build try the following.  Note that sourcing /etc/mk.conf
                    438: (a make(1) Makefile) in this manner is not right, and will not work
                    439: for anyone who uses any make(1) features in /etc/mk.conf.
1.1       abs       440:
                    441: ---cut here---
                    442: #!/bin/sh
                    443: . /etc/mk.conf
                    444:
1.58      lukem     445: if [ -z $NETBSDSRCDIR ] ; then
                    446:     NETBSDSRCDIR=/usr/src
1.1       abs       447: fi
1.58      lukem     448: if [ \! -d $NETBSDSRCDIR ] ; then
1.1       abs       449:     echo Unable to find sources
                    450:     exit 1
                    451: fi
1.58      lukem     452: find $NETBSDSRCDIR -name \*.o -o -name obj.\* -o -name obj -exec rm \{\} \;
1.1       abs       453:
                    454: if [ -z $BSDOBJDIR ] ; then
                    455:     BSDOBJDIR=/usr/obj
                    456: fi
                    457: if [ -d $BSDOBJDIR ] ; then
                    458:     rm -rf $BSDOBJDIR
                    459: fi
                    460:
1.58      lukem     461: cd $NETBSDSRCDIR && make cleandir
1.1       abs       462:
                    463: ---cut here---
                    464:
                    465: Critical utilities:
                    466: ^^^^^^^^^^^^^^^^^^^
                    467:        gnu/usr.bin/egcs
1.3       itojun    468:        usr.bin/compile_et
1.1       abs       469:        usr.bin/make
                    470:        usr.bin/yacc
                    471:        usr.bin/lex
1.11      lukem     472:        usr.bin/xlint
1.2       mrg       473:        usr.sbin/config
1.1       abs       474:
1.34      simonb    475: Other problems and possible solutions:
1.1       abs       476: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                    477: Symptom:Unreasonable compiler errors.
                    478: Fix:   Rebuild gnu/usr.bin/egcs
                    479:
                    480: Symptom:Complaints involving a Makefile.
1.17      erh       481: Fix:   Rebuild usr.bin/make:
                    482:        cd usr.bin/make && make && make install
                    483:         Or, a failsafe method if that doesn't work:
                    484:        cd usr.bin/make && cc *.c */*.c -I . -o make && mv make /usr/bin
                    485:
1.1       abs       486: Fix:   Make sure .mk files are up to date.
                    487:        cd share/mk && make install
1.2       mrg       488:
                    489: Symptom:Kernel `config' fails to configure any kernel, including GENERIC.
                    490: Fix:   Rebuild usr.sbin/config
1.1       abs       491:
                    492: Symptom:
                    493: Fix:   Rebuild usr.bin/yacc
                    494:
                    495: Symptom:
                    496: Fix:   Rebuild usr.bin/lex
                    497:
                    498: Symptom:
                    499: Fix:   rm /usr/lib/libbfd.a
1.4       itojun    500:
                    501: Symptom:Obsolete intermediate files are used during compilation
                    502: Fix:   Try the following sequence of commands in the directory in question.
                    503:        make cleandir; rm `make print-objdir`; make cleandir; make obj
                    504:        (If you built the tree without "make obj" in the past, obsolete files
                    505:        may remain.  The command tries to clean everything up)
1.5       wiz       506:
                    507: Symptom:.../sysinst/run.c:xx: warning: initialization from incompatible pointer type
                    508: Fix:   Rebuild and install usr.bin/menuc
1.12      itojun    509:
                    510: Symptom:mklocale not found during build in share/locale/ctype
                    511: Fix:   Build and install usr.bin/mklocale
1.13      dogcow    512:
                    513: Symptom:undefined reference to `__assert13'
                    514: Fix:    Rebuild and install lib/libc
                    515:
1.19      cgd       516: Symptom:usr.sbin/config fails to build.
                    517: Fix:   Try building with -DMAKE_BOOTSTRAP added to CFLAGS in Makefile.
1.13      dogcow    518:
1.19      cgd       519: Symptom:undefined reference to `getprogname' or `setprogname'
                    520: Fix:    Rebuild and install lib/libc
1.24      abs       521:
                    522: Symptom:lint does not understand the '-X' option
                    523: Fix:    May need to build & install libs with NOLINT=1 before rebuilding lint

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