Annotation of src/UPDATING, Revision 1.188
1.188 ! christos 1: $NetBSD: UPDATING,v 1.187 2009/01/11 03:32:44 dholland Exp $
1.1 abs 2:
1.123 jmc 3: This file (UPDATING) is intended to be a brief reference to recent
4: changes that might cause problems in the build process, and a guide for
5: what to do if something doesn't work.
1.1 abs 6:
1.123 jmc 7: For a more detailed description of the recommended way to build NetBSD
8: using build.sh, see the BUILDING file.
9:
10: Note that much of the advice in this UPDATING file was written before
11: build.sh existed. Nevertheless, the advice here may be useful for
12: working around specific problems with build.sh.
13:
14: See also: BUILDING, build.sh, Makefile.
1.1 abs 15:
16: Recent changes:
17: ^^^^^^^^^^^^^^^
1.138 lukem 18:
1.184 christos 19: 20090110:
20: time_t and dev_t have been bumped to 64 bit quantities. To upgrade:
21: 1. Make sure your kernel has COMPAT_50 in it. Build and install.
1.188 ! christos 22: This is needed even in the MODULAR kernel because there is
! 23: conditionally compiled code in rtsock.c.
1.184 christos 24: 2. make sure build.sh completes and the binaries in a chroot work
25: before installing.
26: 3. If you don't use build.sh and you build directly to root, and
1.187 dholland 27: your build breaks in the middle, don't despair. Make sure headers
1.184 christos 28: are installed properly, and start building libraries first libc
29: and libutil, install them and then continue building all the
30: libraries in src/lib and src/gnu/lib and install them. Once
31: the new libraries are installed, you can restart the build.
32: 4. If you compile packages and you notice link time warnings,
33: you'll need to bump them and rebuild them.
1.186 christos 34: 5. Next time you run pwd_mkdb with the new binary, the file
35: will be upgraded and it will not be backwards compatible.
36: 6. The utmpx/wtmpx files have been versioned, and there is
37: a heuristic for utmp. You are better off removing the
1.188 ! christos 38: old files after upgrading. The accounting file has not
! 39: been versioned, and will need to be removed.
1.185 jmcneill 40:
1.183 pgoyette 41: 20081219:
42: config(1) has been updated, and one of the files it creates -
43: swapnetbsd.o - has changed format. You need to rebuild config
44: (done automatically by build.sh) and then you need to rerun
45: config on all kernel configuration files before rebuilding those
46: kernels.
47:
1.181 cube 48: 20081205:
49: If you build with MKX11=no, you should remove /etc/rc.d/xdm and
50: /etc/rc.d/xfs from DESTDIR because those files were moved to the xetc
51: set and will appear as extra files for MKX11=no update builds.
1.178 lukem 52:
1.179 tsutsui 53: 20081122:
1.182 tsutsui 54: On i386, various kernel options(4) in GENERIC including
1.180 wiz 55: file systems have been disabled and moved into kernel modules.
56: Before trying a new GENERIC kernel, you have to prepare the
1.179 tsutsui 57: following files as well as a new GENERIC kernel:
58:
59: - build and install kernel modules from src/sys/modules
60:
61: - install the latest bootloader, which will load a module
1.180 wiz 62: for the file system from which the kernel is loaded automatically
1.179 tsutsui 63:
1.180 wiz 64: If you have to load your kernel from a file system which is not of
65: the same type as the root file system, you have to load the necessary
66: file system module manually on the boot prompt or in the boot.cfg file.
1.179 tsutsui 67:
1.178 lukem 68: 20080827:
69: If you built and installed a libc from sources between
70: 2008/08/20 and 2008/08/26 you got a broken strtouq(3)
71: which results in false errors reported by lint(1).
72: Since this breaks the libc build itself, manual help is
1.180 wiz 73: needed -- lint must be disabled temporarily, e.g.:
1.178 lukem 74: $ (cd lib/libc && make MKLINT=no dependall install)
75:
1.177 christos 76: 20080813:
77: MKDEBUG build was broken because the .depend files did not know
78: about .go files. You need to remove all .depend files and rebuild.
79:
1.175 simonb 80: 20080731:
81: WAPBL (metadata journaling support) has been added, but at this
82: time isn't backwards compatible with pre-WAPBL aware kernels
83: and userland (fsck_ffs in particular). Please make sure you
84: don't use a journaled filesystem with an older kernel/userland,
1.176 simonb 85: especially an uncleanly mounted journaled filesystem. WAPBL
86: also requires the super block to be in the UFS2 format. You
87: can use fsck_ffs -c 4 to update the superblock format.
1.175 simonb 88:
1.174 lukem 89: 20080721:
90: Assembler warnings are now fatal if $WARNS>0 and $NOGCCERROR
91: isn't defined.
92:
1.173 freza 93: 20080531:
94: The ioctl number of DRVSUSPENDDEV command on /dev/drvctl changed
95: from 125 (conflicted with DRVCTLCOMMAND) to 129. The drvctl(8)
96: utility needs to be rebuilt and reinstalled as older binaries
97: won't work correctly. The following sequence of commands:
98:
99: $ (cd sys/sys/ && nbmake-$arch includes)
100: $ (cd sbin/drvctl/ && nbmake-$arch clean)
101: $ (cd sbin/drvctl/ && nbmake-$arch all)
102:
103: leaves new drvctl utility in sbin/drvctl build directory.
104:
1.172 lukem 105: 20080503:
106: The <bsd.lib.mk> variable MKPRIVATELIB was renamed to LIBISPRIVATE.
107:
1.171 he 108: 20080521:
109: For a while, unprivileged UPDATE builds would fail to
110: succeed at the checkflist stage, complaining that
111: ${DESTDIR}/stand/<arch>/ did not exist. A fix for this
112: problem was committed to share/mk/bsd.kmodule.mk, revision 1.9.
113: If you already hit this problem, update the .mk file,
114: remove ${DESTDIR}/stand/<arch>, and re-run the build.
115:
1.174 lukem 116: 20080303:
117: Linker warnings are now fatal if $WARNS>0.
118:
1.170 christos 119: 20080126:
120: The posix_fadvise system call has been changed from an assembly
121: stub, to a c file that calls an assembly stub. You need to
122: 'rm -f posix_fadvise.* .depend' in the libc build directory to
123: avoid using the old assembly stub.
124:
1.168 joerg 125: 20071209:
126: The acpiec(4) driver has been split into two attachments. If you
127: get ACPI errors before the attachment, please update your kernel
1.169 wiz 128: configuration file appropriately or see GENERIC for more details.
1.168 joerg 129:
1.166 xtraeme 130: 20071115:
131: The it(4) driver has been renamed to itesio(4) and the old port
132: argument specified in the kernel configuration file is not valid
133: anymore. The itesio(4) driver now uses the Super I/O address port
134: rather than the EC address port. Please update your kernel
1.167 wiz 135: configuration file appropriately or see GENERIC for more details.
1.166 xtraeme 136:
1.165 jmmv 137: 20071028:
138: The pccons(4) driver has been removed from the NetBSD/shark port.
139: You need to update any custom kernel configuration file you have
140: to remove any references to pccons (which includes removing the
141: now useless XSERVER option) and replace them with the correct
142: entries for the wscons driver. See the GENERIC configuration file
143: for more details.
144:
1.164 gdt 145: 20070913:
146: A latent bug in dhclient/dhcpd that caused it to be unable to
147: enumerate interfaces was fixed. The bug began to cause
148: problems after 20070911 when the kernel's SIOCGIFCONF
149: implementation was repaired. From 20070529 to 20070911 racoon
150: could not enumerate interfaces. (These are noted because
151: normal kernel/userspace version matching hygiene is not
152: sufficient to avoid this problem.) Ensure that both kernel
153: and userland are from after 20070913.
154:
1.163 joerg 155: 20070703:
156: nbinstall has been renamed as it calls the target specific and
157: the logic to pass down STRIP from mk been removed. This forces
158: a re-installation of tools.
159:
1.161 dsl 160: 20070422:
161: The way OS emulations lookup filenames inside the emulation root
162: has been changed. Rather than modify the pathname (and copy back
163: to userspace) namei() and lookup() directly check the emulation
164: root. One side effect is that absolute symlinks inside the emulated
1.167 wiz 165: root file system will be relative to that file system - unless they
1.161 dsl 166: start /../ this is useful when the emulated root is a real install
167: that has such links.
168: This might affect symlinks that have been added to reference outside
169: the emulated root.
170:
1.160 jmcneill 171: 20070412:
172: The pckbc driver on sgimips IP32 has been removed. Use macekbc
173: instead. See the GENERIC32_IP3x kernel configuration for an
174: example.
175:
1.159 gdt 176: 20070319:
177: src/lib/libc/Makefile revision 1.129 broke libc and ld.elf_so
178: on many platforms due to incorrect flags settings. If you
179: updated and built after about 20070315, do "nbmake-$arch
180: cleandir" in src/lib/libc and src/libexec/ld.elf_so to force a
181: rebuild of object files that might have been built
182: incorrectly, and ensure that you have at least
183: src/lib/libc/Makefile 1.130.
184:
1.158 dbj 185: 20070210:
186: src/sys/sys/{sa.h,savar.h} were removed.
187: find ${OBJDIR} \( -name .depend -o -name '*.d' \) -print \
188: | xargs egrep -l '/sa.h|/savar.h' | xargs rm
189: will allow dependencies on those files to get get rebuilt
190:
1.157 apb 191: 20070209:
192: The threading model was changed when the newlock2 branch
193: was merged to NetBSD-current. If you boot with a new
194: kernel (version 4.99.10), then you also need a new pthread
195: library (/usr/lib/libpthread.so.0.7). If you boot with
196: an old kernel, then you need the old pthread library
197: (/usr/lib/libpthread.so.0.6). Provided you keep the kernel and
198: the pthread library in sync, old threaded applications should
199: continue to work with an old or new kernel. Note that named(8)
200: is the only threaded application in the base system.
201:
1.154 he 202: 20061214:
203: Following the move of string_to_flags() and flags_to_string()
204: from the bin/ls/ sources to libutil, users doing UPDATE builds
205: will need to do a "make cleandir" in
206: tools/mtree/, tools/makefs/, tools/binstall/, tools/pax/,
207: bin/pax/, bin/ls/, usr.sbin/mtree/, usr.sbin/makefs/,
1.156 he 208: usr.bin/xinstall/, libexec/ftpd/, rescue/, as well
209: as the installation images in distrib/
1.154 he 210: in order to excise stale references to the old stat_flags.h header
211: file in the ls sources -- stat_flags.h has been removed.
212:
1.152 christos 213: 20061108:
214: The configure script used in the src/tools/gcc compiler has been
215: changed to indicate that our libc has ssp support built-in and
216: does not depend on -lssp and -lssp-nonshared. You'll need to
217: make clean in src/tools/gcc first to rebuild the compiler.
218:
1.151 rpaulo 219: 20061009:
220: The sysctl variables net.inet{,6}.tcp{,6}.newreno are no longer
221: available. Use net.inet{,6}.tcp{,6}.congctl.selected instead.
222:
1.150 bjh21 223: 20060814:
224: The vt, vidcconsole, kbd, and rpckbd drivers on acorn32 have been
225: withdrawn. Use vidcvideo and pckbd instead. See the GENERIC
226: kernel configuration for an example. X servers from the last
227: few years should cope.
228:
1.149 christos 229: 20060703:
230: MPACPI is no more. We always configure PCI interrupts using ACPI
231: if we have an ACPI kernel. The option MPACPI_SCANPCI has been renamed
232: to ACPI_SCANPCI. Thanks to work from fvdl.
233:
1.148 dogcow 234: 20060627:
235: socket(2) has changed, and its system call has been versioned.
236: For userlands with the old version of socket(2), make sure that
237: your kernel has 'options COMPAT_30' set, or else 'bad system call'
238: errors will result.
239:
1.1 abs 240: Hints for a more successful build:
241: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
1.123 jmc 242: Use build.sh, but do not use its "expert mode":
1.132 jmmv 243: This will automatically build the tools in the
1.123 jmc 244: correct order, and it will keep the tools and the
245: new build products from interfering with the running
246: system. This will allow you to ignore most of the
247: other advice in this file.
1.2 mrg 248: Build a new kernel first:
249: This makes sure that any new system calls or features
250: expected by the new userland will be present. This
251: helps to avoid critical errors when upgrading.
1.1 abs 252: Use object directories:
253: This helps to keep stale object
254: files from polluting the build if a Makefile "forgets"
255: about one. It also makes it easier to clean up after
256: a build. It's also necessary if you want to use the
257: same source tree for multiple machines.
1.123 jmc 258: To use object directories with build.sh:
259: a) invoke build.sh with the "-M" or "-O" options.
260: To use object directories without using build.sh:
1.1 abs 261: a) cd /usr/src ; make cleandir
1.2 mrg 262: b) Add "OBJMACHINE=yes" to /etc/mk.conf
263: c) Add "MKOBJDIRS=yes" to /etc/mk.conf
1.1 abs 264: d) cd /usr/src ; make build
1.2 mrg 265: Note that running "make obj" in a directory will create
266: in obj.$MACHINE directory.
1.1 abs 267: Build to a DESTDIR:
1.123 jmc 268: This helps to keep old installed files (especially libraries)
269: from interfering with the new build.
270: To build to a DESTDIR with build.sh, use the "-D" option.
271: To build to a DESTDIR without using build.sh, set the DESTDIR
272: environment variable before running make build. It should be
273: set to the pathname of an initially empty directory.
274: Problems: if you do not use build.sh, you might need to
275: update critical utilities without using DESTDIR since
276: nothing is executed from what is installed in DESTDIR.
277: (See critical utils, below.)
1.1 abs 278: Build often:
279: This keeps critical utilities current enough to not choke
280: on any other part of the source tree that depends on up to
1.123 jmc 281: date functionality. If you use build.sh, you should not have
282: this problem.
1.1 abs 283:
284: What to do if things don't work:
285: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
286: When things don't work there is usually a few things that commonly
287: should be done.
288: 1) make includes
289: This should be done automatically by make build.
290: 2) cd share/mk && make install
291: Again, automatically done by make build.
292:
293: Failsafe rebuild of a small part of the tree:
294: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
295: To make sure you rebuild something correctly you want to do
296: something like the following:
297: 1) Make sure the includes and .mk files are up to date.
298: 2) Make sure any program used to build the particular
299: utility is up to date. (yacc, lex, etc...)
300: 3) cd ...path/to/util...
301: make cleandir
302: rm ...all obj directories...
303: make cleandir # yes, again
304: make obj
305: make depend && make
306:
307: Failsafe rebuild of the entire tree:
308: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
309: If you really want to make sure the source tree is clean and
1.2 mrg 310: ready for a build try the following. Note that sourcing /etc/mk.conf
311: (a make(1) Makefile) in this manner is not right, and will not work
312: for anyone who uses any make(1) features in /etc/mk.conf.
1.1 abs 313:
314: ---cut here---
315: #!/bin/sh
316: . /etc/mk.conf
317:
1.58 lukem 318: if [ -z $NETBSDSRCDIR ] ; then
319: NETBSDSRCDIR=/usr/src
1.1 abs 320: fi
1.58 lukem 321: if [ \! -d $NETBSDSRCDIR ] ; then
1.1 abs 322: echo Unable to find sources
323: exit 1
324: fi
1.58 lukem 325: find $NETBSDSRCDIR -name \*.o -o -name obj.\* -o -name obj -exec rm \{\} \;
1.1 abs 326:
327: if [ -z $BSDOBJDIR ] ; then
328: BSDOBJDIR=/usr/obj
329: fi
330: if [ -d $BSDOBJDIR ] ; then
331: rm -rf $BSDOBJDIR
332: fi
333:
1.58 lukem 334: cd $NETBSDSRCDIR && make cleandir
1.1 abs 335:
336: ---cut here---
337:
338: Critical utilities:
339: ^^^^^^^^^^^^^^^^^^^
1.3 itojun 340: usr.bin/compile_et
1.1 abs 341: usr.bin/make
342: usr.bin/yacc
343: usr.bin/lex
1.11 lukem 344: usr.bin/xlint
1.142 drochner 345: usr.bin/config
1.1 abs 346:
1.34 simonb 347: Other problems and possible solutions:
1.1 abs 348: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
349: Symptom:Complaints involving a Makefile.
1.17 erh 350: Fix: Rebuild usr.bin/make:
351: cd usr.bin/make && make && make install
1.111 simonb 352: Or, a failsafe method if that doesn't work:
1.17 erh 353: cd usr.bin/make && cc *.c */*.c -I . -o make && mv make /usr/bin
354:
1.1 abs 355: Fix: Make sure .mk files are up to date.
356: cd share/mk && make install
1.2 mrg 357:
358: Symptom:Kernel `config' fails to configure any kernel, including GENERIC.
1.142 drochner 359: Fix: Rebuild usr.bin/config
1.1 abs 360:
361: Symptom:
362: Fix: Rebuild usr.bin/yacc
363:
364: Symptom:
365: Fix: Rebuild usr.bin/lex
366:
367: Symptom:
368: Fix: rm /usr/lib/libbfd.a
1.4 itojun 369:
370: Symptom:Obsolete intermediate files are used during compilation
371: Fix: Try the following sequence of commands in the directory in question.
372: make cleandir; rm `make print-objdir`; make cleandir; make obj
373: (If you built the tree without "make obj" in the past, obsolete files
374: may remain. The command tries to clean everything up)
1.5 wiz 375:
376: Symptom:.../sysinst/run.c:xx: warning: initialization from incompatible pointer type
377: Fix: Rebuild and install usr.bin/menuc
1.12 itojun 378:
379: Symptom:mklocale not found during build in share/locale/ctype
380: Fix: Build and install usr.bin/mklocale
1.13 dogcow 381:
1.86 kleink 382: Symptom:undefined reference to `__assert13' or `__unsetenv13'
1.13 dogcow 383: Fix: Rebuild and install lib/libc
384:
1.142 drochner 385: Symptom:usr.bin/config fails to build.
1.19 cgd 386: Fix: Try building with -DMAKE_BOOTSTRAP added to CFLAGS in Makefile.
1.13 dogcow 387:
1.19 cgd 388: Symptom:undefined reference to `getprogname' or `setprogname'
389: Fix: Rebuild and install lib/libc
1.24 abs 390:
391: Symptom:lint does not understand the '-X' option
392: Fix: May need to build & install libs with NOLINT=1 before rebuilding lint
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