1 $NetBSD: UPDATING,v 1.203 2009/11/02 01:09:21 dyoung Exp $
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.
7 For a more detailed description of the recommended way to build NetBSD
8 using build.sh, see the BUILDING file.
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.
14 See also: BUILDING, build.sh, Makefile.
20 After updating, it may be make the 'cleandir' target in
21 src/tools/yacc/ and in src/usr.bin/yacc/ before a 'build.sh
22 -u tools' or 'build.sh -u distribution'. Ditto src/tools/lex/
26 An error will create a ./usr/X11R7/lib/X11/xkb/compiled/xkb
27 symlink, failing the build. Delete the link, and the subdir
28 it is in, and retry your build.
31 libc build changed so that strchr() provides the extra entry
32 point for index(). Update build of libc.a (and libc_pic.a)
33 may fail because the archive contains the unwanted index.o.
34 (Similarly for strrchr() and rindex().)
37 Native Xorg was upgraded again. Builds will probably fail again
38 without a clean objdir, at least for src/external/mit/xorg.
41 Native Xorg was upgraded. Builds will need a clean objdir for
42 src/external/mit/xorg. Upgrading a system from sets will not
43 work properly yet as the /usr/X11R7/lib/X11/xkb/symbols/pc
44 subdirectory has been changed into a file, and this needs to
45 be manually "rm -r"'ed before installing xbase.tgz.
48 Several new functions were added to string.h/libc, and this
49 can cause autoconf problems during the tool build for people
50 who fail to clean out their tools objects properly. If you
51 note messages about stpcpy, stpncpy or strnlen accompanying a
52 failure during the tool build, clean out all your tools
53 objects and start again.
56 The i386 port was switched to i486 default toolchain. This requires
57 cleaning your src/tools directory and $TOOLDIR and rebuilding them.
60 The __posix_fadvise50 system call changed assembly stub type. You need to
61 'rm -f __posix_fadvise50.*' in the libc build directory to avoid using
62 the old assembly stub.
65 pkg_install now depends on the pkgdb cache for automatic conflict
66 detection. It is recommented to rebuild the cache with
67 ``pkg_admin rebuild''.
70 time_t and dev_t have been bumped to 64 bit quantities. To upgrade:
71 1. Make sure your kernel has COMPAT_50 in it. Build and install.
72 This is needed even in the MODULAR kernel because there is
73 conditionally compiled code in rtsock.c.
74 2. make sure build.sh completes and the binaries in a chroot work
76 3. If you don't use build.sh and you build directly to root, and
77 your build breaks in the middle, don't despair. Make sure headers
78 are installed properly, and start building libraries first libc
79 and libutil, install them and then continue building all the
80 libraries in src/lib and src/gnu/lib and install them. Once
81 the new libraries are installed, you can restart the build.
82 4. If you compile packages and you notice link time warnings,
83 rebuild the required packages to update their shared libraries.
84 Any package you rebuild will require rebuilding all the packages
86 5. Next time you run pwd_mkdb with the new binary, the file
87 will be upgraded and it will not be backwards compatible.
88 6. The utmpx/wtmpx files (/var/run/utmpx and /var/log/wtmpx, see
89 lastlogx(5)) have been versioned, and there is a heuristic
90 for utmp. You are better off removing the old files after
91 upgrading. The automated clearing of /var/run during
92 boot, and the automated rotating of files in /var/log by
93 newsyslog(8), may mean that you do not have to remove the
95 7. The optional accounting file (/var/account/acct, see
96 accton(8)) has not been versioned, and will need to be
97 removed. The automatic rotation of the accounting file by
98 /etc/daily limits the bad consequences of failure to remove
100 8. Application software that writes time_t to binary files on
101 disk will break or need attention. Most notably: if you are
102 using PostgreSQL < 8.4, you need to dump your databases,
103 rebuild PostgreSQL with the new time_t, then restore.
106 config(1) has been updated, and one of the files it creates -
107 swapnetbsd.o - has changed format. You need to rebuild config
108 (done automatically by build.sh) and then you need to rerun
109 config on all kernel configuration files before rebuilding those
113 If you build with MKX11=no, you should remove /etc/rc.d/xdm and
114 /etc/rc.d/xfs from DESTDIR because those files were moved to the xetc
115 set and will appear as extra files for MKX11=no update builds.
118 On i386, various kernel options(4) in GENERIC including
119 file systems have been disabled and moved into kernel modules.
120 Before trying a new GENERIC kernel, you have to prepare the
121 following files as well as a new GENERIC kernel:
123 - build and install kernel modules from src/sys/modules
125 - install the latest bootloader, which will load a module
126 for the file system from which the kernel is loaded automatically
128 If you have to load your kernel from a file system which is not of
129 the same type as the root file system, you have to load the necessary
130 file system module manually on the boot prompt or in the boot.cfg file.
133 If you built and installed a libc from sources between
134 2008/08/20 and 2008/08/26 you got a broken strtouq(3)
135 which results in false errors reported by lint(1).
136 Since this breaks the libc build itself, manual help is
137 needed -- lint must be disabled temporarily, e.g.:
138 $ (cd lib/libc && make MKLINT=no dependall install)
141 MKDEBUG build was broken because the .depend files did not know
142 about .go files. You need to remove all .depend files and rebuild.
145 A regression in binary compatibility for pthread_mutex_t has
146 been fixed. Unfortunately, the price is breaking compatibility
149 Threaded programs (using libpthread) and C++ programs (using
150 libstdc++) compiled after 20070907 and before 20080802 need to
153 One way to find affected pkgsrc packages:
155 $ grep REQUIRES=/usr/lib/libpthread /var/db/pkg/*/+BUILD_INFO
156 $ grep REQUIRES=/usr/lib/libstdc++ /var/db/pkg/*/+BUILD_INFO
159 WAPBL (metadata journaling support) has been added, but at this
160 time isn't backwards compatible with pre-WAPBL aware kernels
161 and userland (fsck_ffs in particular). Please make sure you
162 don't use a journaled filesystem with an older kernel/userland,
163 especially an uncleanly mounted journaled filesystem. WAPBL
164 also requires the super block to be in the UFS2 format. You
165 can use fsck_ffs -c 4 to update the superblock format.
168 Assembler warnings are now fatal if $WARNS>0 and $NOGCCERROR
172 The ioctl number of DRVSUSPENDDEV command on /dev/drvctl changed
173 from 125 (conflicted with DRVCTLCOMMAND) to 129. The drvctl(8)
174 utility needs to be rebuilt and reinstalled as older binaries
175 won't work correctly. The following sequence of commands:
177 $ (cd sys/sys/ && nbmake-$arch includes)
178 $ (cd sbin/drvctl/ && nbmake-$arch clean)
179 $ (cd sbin/drvctl/ && nbmake-$arch all)
181 leaves new drvctl utility in sbin/drvctl build directory.
184 The <bsd.lib.mk> variable MKPRIVATELIB was renamed to LIBISPRIVATE.
187 For a while, unprivileged UPDATE builds would fail to
188 succeed at the checkflist stage, complaining that
189 ${DESTDIR}/stand/<arch>/ did not exist. A fix for this
190 problem was committed to share/mk/bsd.kmodule.mk, revision 1.9.
191 If you already hit this problem, update the .mk file,
192 remove ${DESTDIR}/stand/<arch>, and re-run the build.
195 Linker warnings are now fatal if $WARNS>0.
198 The posix_fadvise system call has been changed from an assembly
199 stub, to a c file that calls an assembly stub. You need to
200 'rm -f posix_fadvise.* .depend' in the libc build directory to
201 avoid using the old assembly stub.
204 The acpiec(4) driver has been split into two attachments. If you
205 get ACPI errors before the attachment, please update your kernel
206 configuration file appropriately or see GENERIC for more details.
209 The it(4) driver has been renamed to itesio(4) and the old port
210 argument specified in the kernel configuration file is not valid
211 anymore. The itesio(4) driver now uses the Super I/O address port
212 rather than the EC address port. Please update your kernel
213 configuration file appropriately or see GENERIC for more details.
216 The pccons(4) driver has been removed from the NetBSD/shark port.
217 You need to update any custom kernel configuration file you have
218 to remove any references to pccons (which includes removing the
219 now useless XSERVER option) and replace them with the correct
220 entries for the wscons driver. See the GENERIC configuration file
224 A latent bug in dhclient/dhcpd that caused it to be unable to
225 enumerate interfaces was fixed. The bug began to cause
226 problems after 20070911 when the kernel's SIOCGIFCONF
227 implementation was repaired. From 20070529 to 20070911 racoon
228 could not enumerate interfaces. (These are noted because
229 normal kernel/userspace version matching hygiene is not
230 sufficient to avoid this problem.) Ensure that both kernel
231 and userland are from after 20070913.
234 nbinstall has been renamed ${MACHINE_GNU_ARCH}-install. It
235 calls the target-specific strip program, and the logic to pass
236 down STRIP from make has been removed. This requires a
237 re-installation of tools.
240 The way OS emulations lookup filenames inside the emulation root
241 has been changed. Rather than modify the pathname (and copy back
242 to userspace) namei() and lookup() directly check the emulation
243 root. One side effect is that absolute symlinks inside the emulated
244 root file system will be relative to that file system - unless they
245 start /../ this is useful when the emulated root is a real install
247 This might affect symlinks that have been added to reference outside
251 The pckbc driver on sgimips IP32 has been removed. Use macekbc
252 instead. See the GENERIC32_IP3x kernel configuration for an
256 src/lib/libc/Makefile revision 1.129 broke libc and ld.elf_so
257 on many platforms due to incorrect flags settings. If you
258 updated and built after about 20070315, do "nbmake-$arch
259 cleandir" in src/lib/libc and src/libexec/ld.elf_so to force a
260 rebuild of object files that might have been built
261 incorrectly, and ensure that you have at least
262 src/lib/libc/Makefile 1.130.
265 src/sys/sys/{sa.h,savar.h} were removed.
266 find ${OBJDIR} \( -name .depend -o -name '*.d' \) -print \
267 | xargs egrep -l '/sa.h|/savar.h' | xargs rm
268 will allow dependencies on those files to get get rebuilt
271 The threading model was changed when the newlock2 branch
272 was merged to NetBSD-current. If you boot with a new
273 kernel (version 4.99.10), then you also need a new pthread
274 library (/usr/lib/libpthread.so.0.7). If you boot with
275 an old kernel, then you need the old pthread library
276 (/usr/lib/libpthread.so.0.6). Provided you keep the kernel and
277 the pthread library in sync, old threaded applications should
278 continue to work with an old or new kernel. Note that named(8)
279 is the only threaded application in the base system.
282 Following the move of string_to_flags() and flags_to_string()
283 from the bin/ls/ sources to libutil, users doing UPDATE builds
284 will need to do a "make cleandir" in
285 tools/mtree/, tools/makefs/, tools/binstall/, tools/pax/,
286 bin/pax/, bin/ls/, usr.sbin/mtree/, usr.sbin/makefs/,
287 usr.bin/xinstall/, libexec/ftpd/, rescue/, as well
288 as the installation images in distrib/
289 in order to excise stale references to the old stat_flags.h header
290 file in the ls sources -- stat_flags.h has been removed.
293 The configure script used in the src/tools/gcc compiler has been
294 changed to indicate that our libc has ssp support built-in and
295 does not depend on -lssp and -lssp-nonshared. You'll need to
296 make clean in src/tools/gcc first to rebuild the compiler.
299 The sysctl variables net.inet{,6}.tcp{,6}.newreno are no longer
300 available. Use net.inet{,6}.tcp{,6}.congctl.selected instead.
303 The vt, vidcconsole, kbd, and rpckbd drivers on acorn32 have been
304 withdrawn. Use vidcvideo and pckbd instead. See the GENERIC
305 kernel configuration for an example. X servers from the last
306 few years should cope.
309 MPACPI is no more. We always configure PCI interrupts using ACPI
310 if we have an ACPI kernel. The option MPACPI_SCANPCI has been renamed
311 to ACPI_SCANPCI. Thanks to work from fvdl.
314 socket(2) has changed, and its system call has been versioned.
315 For userlands with the old version of socket(2), make sure that
316 your kernel has 'options COMPAT_30' set, or else 'bad system call'
319 Hints for a more successful build:
320 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
321 Use build.sh, but do not use its "expert mode":
322 This will automatically build the tools in the
323 correct order, and it will keep the tools and the
324 new build products from interfering with the running
325 system. This will allow you to ignore most of the
326 other advice in this file.
327 Build a new kernel first:
328 This makes sure that any new system calls or features
329 expected by the new userland will be present. This
330 helps to avoid critical errors when upgrading.
331 Use object directories:
332 This helps to keep stale object
333 files from polluting the build if a Makefile "forgets"
334 about one. It also makes it easier to clean up after
335 a build. It's also necessary if you want to use the
336 same source tree for multiple machines.
337 To use object directories with build.sh:
338 a) invoke build.sh with the "-M" or "-O" options.
339 To use object directories without using build.sh:
340 a) cd /usr/src ; make cleandir
341 b) Add "OBJMACHINE=yes" to /etc/mk.conf
342 c) Add "MKOBJDIRS=yes" to /etc/mk.conf
343 d) cd /usr/src ; make build
344 Note that running "make obj" in a directory will create
345 in obj.$MACHINE directory.
347 This helps to keep old installed files (especially libraries)
348 from interfering with the new build.
349 To build to a DESTDIR with build.sh, use the "-D" option.
350 To build to a DESTDIR without using build.sh, set the DESTDIR
351 environment variable before running make build. It should be
352 set to the pathname of an initially empty directory.
353 Problems: if you do not use build.sh, you might need to
354 update critical utilities without using DESTDIR since
355 nothing is executed from what is installed in DESTDIR.
356 (See critical utils, below.)
358 This keeps critical utilities current enough to not choke
359 on any other part of the source tree that depends on up to
360 date functionality. If you use build.sh, you should not have
363 What to do if things don't work:
364 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
365 When things don't work there is usually a few things that commonly
368 This should be done automatically by make build.
369 2) cd share/mk && make install
370 Again, automatically done by make build.
372 Failsafe rebuild of a small part of the tree:
373 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
374 To make sure you rebuild something correctly you want to do
375 something like the following:
376 1) Make sure the includes and .mk files are up to date.
377 2) Make sure any program used to build the particular
378 utility is up to date. (yacc, lex, etc...)
379 3) cd ...path/to/util...
381 rm ...all obj directories...
382 make cleandir # yes, again
386 Failsafe rebuild of the entire tree:
387 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
388 If you really want to make sure the source tree is clean and
389 ready for a build try the following. Note that sourcing /etc/mk.conf
390 (a make(1) Makefile) in this manner is not right, and will not work
391 for anyone who uses any make(1) features in /etc/mk.conf.
397 if [ -z $NETBSDSRCDIR ] ; then
398 NETBSDSRCDIR=/usr/src
400 if [ \! -d $NETBSDSRCDIR ] ; then
401 echo Unable to find sources
404 find $NETBSDSRCDIR -name \*.o -o -name obj.\* -o -name obj -exec rm \{\} \;
406 if [ -z $BSDOBJDIR ] ; then
409 if [ -d $BSDOBJDIR ] ; then
413 cd $NETBSDSRCDIR && make cleandir
426 Other problems and possible solutions:
427 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
428 Symptom:Complaints involving a Makefile.
429 Fix: Rebuild usr.bin/make:
430 cd usr.bin/make && make && make install
431 Or, a failsafe method if that doesn't work:
432 cd usr.bin/make && cc *.c */*.c -I . -o make && mv make /usr/bin
434 Fix: Make sure .mk files are up to date.
435 cd share/mk && make install
437 Symptom:Kernel `config' fails to configure any kernel, including GENERIC.
438 Fix: Rebuild usr.bin/config
441 Fix: Rebuild usr.bin/yacc
444 Fix: Rebuild usr.bin/lex
447 Fix: rm /usr/lib/libbfd.a
449 Symptom:Obsolete intermediate files are used during compilation
450 Fix: Try the following sequence of commands in the directory in question.
451 make cleandir; rm `make print-objdir`; make cleandir; make obj
452 (If you built the tree without "make obj" in the past, obsolete files
453 may remain. The command tries to clean everything up)
455 Symptom:.../sysinst/run.c:xx: warning: initialization from incompatible pointer type
456 Fix: Rebuild and install usr.bin/menuc
458 Symptom:mklocale not found during build in share/locale/ctype
459 Fix: Build and install usr.bin/mklocale
461 Symptom:undefined reference to `__assert13' or `__unsetenv13'
462 Fix: Rebuild and install lib/libc
464 Symptom:usr.bin/config fails to build.
465 Fix: Try building with -DMAKE_BOOTSTRAP added to CFLAGS in Makefile.
467 Symptom:undefined reference to `getprogname' or `setprogname'
468 Fix: Rebuild and install lib/libc
470 Symptom:lint does not understand the '-X' option
471 Fix: May need to build & install libs with NOLINT=1 before rebuilding lint