kernel/kinfo: Don't use 'SMP' alone to check for userland compilation.
[dragonfly.git] / UPDATING
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1# Updating Information for DragonFly users.
2#
3#
4# This file should warn you of any pitfalls which you might need to work around
5# when trying to update your DragonFly system. The information below is
6# in reverse-time order, with the latest information at the top.
7#
8# If you discover any problem, please contact the bugs@lists.dragonflybsd.org
9# mailing list with the details.
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11+-----------------------------------------------------------------------+
12+ UPGRADING DRAGONFLY FROM 3.0 to later versions +
13+-----------------------------------------------------------------------+
14
15APIC_IO OPTION REMOVED
16----------------------
17
18The APIC_IO kernel option is no longer accepted after having been without
19effect for a while. The hw.ioapic_enable tunable now serves its purpose.
20If you have 'options APIC_IO' in your kernel config, you'll have to
21remove it.
22
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23WATCHDOG_ENABLE & HW_WDOG OPTIONS REMOVED
24-----------------------------------------
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25
26The wdog framework is now compiled into our kernels by default, so the
6d488cc3 27options are no longer needed.
cf03d6cd 28
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29DOSCMD(1) REMOVED
30-----------------
31
32doscmd(1) has been removed. It was i386 only. The doscmd(1) specific
33NO_X make.conf option was removed too.
34
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35GCC 4.7
36-------
37
38GCC 4.7 has been brought in and replaces GCC 4.1 as DragonFly's non-
39default compiler in base (default is still GCC 4.4).
40
41Users who wish to build only GCC 4.4 have to replace NO_GCC41 with
42NO_GCC47 in /etc/make.conf.
43
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44USB4BSD
45-------
46
47A new USB stack (from FreeBSD) has been brought in. The following
48modules have been ported so far: usb, uhci, ohci, ehci, xhci, umass,
49usfs, uether, if_axe, if_udav, ukbd, ums, uep, uhid, usb_quirk,
50and uaudio.
51
52It is not yet the default. To activate it, WANT_USB4BSD=yes has to
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53be put in make.conf and device "usb4bsd" (quotes needed) has to
54replace device usb in the kernel config. After that, a full
55build/install/upgrade cycle is needed.
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56
57Note that this is experimental and incomplete, but we are interested
58in hearing about issues with it, of course.
59
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60+-----------------------------------------------------------------------+
61+ UPGRADING DRAGONFLY FROM 2.10 to later versions +
62+-----------------------------------------------------------------------+
63
64SEVERAL ISA DRIVERS REMOVED
65---------------------------
66
67The following ISA only drivers have been removed along with a couple of
68associated userland tools:
69
70aha(4)
71asc(4) & sasc(1)
72ctx
73dgb(4)
74el(4)
75gpib
76gsc(4) & sgsc(1)
77ie(4)
78labpc(4)
79le(4)
80mse(4)
81rc(4)
82rdp(4)
83spigot
84tw(4) & xten(1) & xtend(8)
85wl(4) & wlconfig(8)
86wt(4)
87
88Note that two of these drivers (aha(4) and ie(4)) are in our GENERIC
89config and one (aha(4)) is in our X86_64_GENERIC kernel configuration
90file.
91
92If buildkernel complains about any of these drivers, just remove them
93from your kernel configuration.
94
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95BINUTILS 2.20
96-------------
37c5a0db 97Binutils 2.20 has been removed in favor of Binutils 2.22. The accepted
e685772e 98values of BINUTILSVERS are now binutils221 and binutils222 (default).
919eb219 99
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100BUILDWORLD/-KERNEL PARALLELIZATION WORK
101---------------------------------------
102Due to changes in the way we build with more than one make job, you
103will have to update install(1) and mkdir(1) prior to buildworld if you
104want to build with 'make -j':
105
106cd /usr/src/usr.bin/xinstall; make; make install; make clean
107cd /usr/src/bin/mkdir; make; make install; make clean
108
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109DMA(8) UPGRADE
110--------------
111dma(8) has been upgraded to v0.7 which no longer supports the
112/etc/dma/virtusertable. Some of its functionality has been replaced
113with the MASQUERADE keyword and the EMAIL environment variable (see
114the dma(8) manual page).
115
a4a39c94 116+-----------------------------------------------------------------------+
2443e96e 117+ UPGRADING DRAGONFLY FROM 2.8 to later versions +
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118+-----------------------------------------------------------------------+
119
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120GCC 4.4 & BINUTILS 2.21
121-----------------------
30c91f0c 122
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123GCC 4.4 has been made DragonFly's default compiler and Binutils 2.21 has
124been made DragonFly's default Binutils.
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125
126That means that any settings that set CCVER to 'gcc44' are not needed
127anymore. Instead, CCVER can be set to 'gcc41' to go back to using
128GCC 4.1.
129
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130It also means that 'binutils221' as a value for BINUTILSVER has no
131effect anymore. 2.17 has been removed and 'binutils220' is available
132as an option.
133
5738210d 134The NO_GCC44 option has been removed and will not affect the build
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135anymore. There is now a NO_GCC41 option that will prevent GCC 4.1 from
136building in a similar fashion.
137
80abb3be 138Note that you must do a full buildworld/buildkernel for upgrading.
30c91f0c 139
a4a39c94 140pkg_radd settings
c983d16e 141-----------------
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142
143The config file for pkg_radd has moved from /etc/settings.conf to
144/etc/pkg_radd.conf. Save the contents of settings.conf before upgrading
145if this is needed. This warning only applies if /etc/settings.conf
146exists. pkg_radd will continue to work with defaults.
147
b79f66dd 148+-----------------------------------------------------------------------+
72fe41d3 149+ 20100927 +
1bb1cc14 150+ UPGRADING DRAGONFLY FROM 2.6 to 2.8 or HEAD +
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151+-----------------------------------------------------------------------+
152
72fe41d3 153OpenSSL
c983d16e 154--------
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155
156OpenSSL has been upgraded, and SHLIB_MAJOR was bumped for libssh and libcrypto.
157This shouldn't break any 3rd-party software, but you'll need to recompile your
1583rd-party software if you want it to link against the new version of OpenSSL.
159
8eb0b612 160Loader
c983d16e 161-------
8eb0b612 162
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163A new loader (dloader) has been added which better handles booting from
164multiple kernel/module versions.
165
166To upgrade (Only for this upgrade, for post 2.8 upgrades see GENERAL below)
167
168 cd /usr/src
169 make buildworld
170 make installworld
171 make upgrade
172 make buildkernel KERNCONF=<KERNELNAME>
173 make installkernel KERNCONF=<KERNELNAME>
174
175Note that you must installworld and run the 'upgrade' target before
176installing the new kernel.
177
8eb0b612 178BIND
c983d16e 179-----
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180
181BIND has been removed from the base system. The ldns and drill tools have
182been added for basic functionality. Use 'drill' where you would normally
183use nslookup or dig, or install BIND from pkgsrc. It's available as
184net/bind95, net/bind96, or net/bind97 as of this writing.
185
186This only affects older systems upgrading to 2.8. New 2.8+ installs
187include BIND as a pkgsrc package.
188
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189+-----------------------------------------------------------------------+
190+ UPGRADING DRAGONFLY ON AN EXISTING DRAGONFLY SYSTEM +
191+ GENERAL +
192+-----------------------------------------------------------------------+
984263bc 193
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194Instructions on how to obtain and maintain DragonFly source code using git
195are in the development(7) manual page.
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196
197To upgrade a DragonFly system from sources you run the following sequence:
198
199 cd /usr/src
200 make buildworld
201 make buildkernel KERNCONF=<KERNELNAME>
202 make installkernel KERNCONF=<KERNELNAME>
203 make installworld
204
205You will also want to run the 'upgrade' target to upgrade your /etc and the
206rest of your system. The upgrade target is aware of stale files created by
207older DragonFly installations and should delete them automatically.
208
209 make upgrade
210
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211See the build(7) manual page for further information.
212
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213Once you've done a full build of the world and kernel you can do incremental
214upgrades of either by using the 'quickworld' and 'quickkernel' targets
215instead of 'buildworld' and 'buildkernel'. If you have any problems with
a700883c 216the quick targets, try updating your repo first, and then a full buildworld
d2a0decc 217and buildkernel as shown above, before asking for help.
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218
219+-----------------------------------------------------------------------+
220+ UPGRADING FROM DRAGONFLY <= 2.0 TO DRAGONFLY >= 2.1 +
221+-----------------------------------------------------------------------+
222
223In 2.1 kernel and modules has moved to boot directory. For most cases
224this is handled automatically by 'make upgrade'. A few cases needs manual
225intervention:
226
227 * When installing a kernel without first doing a make buildworld,
228 installworld and upgrade to the same DESTDIR as kernel:
229 make DESTDIR/boot directory and move kernel and modules into this boot
230 directory; also move kernel.old and modules.old.
231 Typical example is vkernel(7), use (no modules used):
232
233 cd /var/vkernel
234 mkdir boot
235 chflags noschg kernel
236 mv kernel kernel.old boot
237 chflags schg boot/kernel
238
239 * When using a boot-only partition, /boot/loader.rc needs to be edited:
240 delete occurrences of '/boot/'.
241 These occurences can normally be deleted in any case, see loader(8).
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242
243+-----------------------------------------------------------------------+
244+ UPGRADING FROM DRAGONFLY <= 1.8 TO DRAGONFLY >= 1.9 +
245+-----------------------------------------------------------------------+
246
247In 1.9 major changes to the disk management infrastructure have taken
248place. make upgrade may not catch all of your disk devices in /dev,
249so after upgrading be sure to cd /dev; ./MAKEDEV <blah> where <blah>
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250are all of your disk devices. HOWEVER, from late 2.3 on we run devfs
251and MAKEDEV no longer exists.
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252
253The biggest changes in 1.9 are:
254
255(1) That whole-slice devices such as da0s1 no longer share the same device
256 id as partition c devices such as da0s1c.
257
258(2) The whole-disk device (e.g. da0) is full raw access to the disk,
259 with no snooping or reserved sectors. Consequently you cannot run
260 disklabel on this device. Instead you must run disklabel on a
261 whole-slice device.
262
263(3) The 'compatibility' partitions now use slice 0 in the device name,
264 so instead of da0a you must specify da0s0a. Also, as per (1) above,
265 accessing the disklabel for the compatibility partitions must be
266 done via slice 0 (da0s0).
267
268(4) Many device drivers that used to fake up labels, such as CD, ACD, VN,
269 and CCD now run through the disk management layer and are assigned
270 real disk management devices. VN and CCD in particular do not usually
271 use a MBR and disklabels must be accessed through the compatibility
272 slice 0. Your /etc/ccd.conf file still specifies 'ccd0', though, you
273 don't name it 'ccd0s0' in the config file.
274
275Generally speaking, you have to get used to running fdisk and disklabel on
276the correctly specified device names. A lot of the wiggle, such as running
277disklabel on a partition, has been removed.
278
279+-----------------------------------------------------------------------+
280+ UPGRADING FROM OLDER VERSIONS OF DRAGONFLY OR FREEBSD +
281+-----------------------------------------------------------------------+
282
283> Kerberos IV
284-------------
285
286Kerberos IV (eBones) was removed from the tree, please consider moving to
287Kerberos 5 (Heimdal).
288
289> Package Management System
290---------------------------
291
292Starting with the 1.4 release, DragonFly uses NetBSD's pkgsrc package
293management system. The necessary tools to build and maintain packages
294are provided in /usr/pkg/bin and /usr/pkg/sbin. Make sure that these
295directories are in your PATH variable.
296
297In order to obtain a reasonably current snapshot of the pkgsrc tree, use
298the tarball from NetBSD:
299
300 fetch -o /tmp/pkgsrc.tar.gz ftp://ftp.NetBSD.org/pub/NetBSD/packages/pkgsrc.tar.gz
301 cd /usr; tar -xzf /tmp/pkgsrc.tar.gz; chown -R root:wheel pkgsrc
302
303This tree can then be kept up to date with cvs update:
304
305 cd /usr/pkgsrc; cvs up
306
307NOTE! If you upgraded from a pre-1.4 system to 1.4 or later, you need to
308build and install the pkgsrc bootstrap manually:
309
310 cd /usr/pkgsrc/bootstrap
311 ./bootstrap --pkgdbdir /var/db/pkg --prefix /usr/pkg
312
313+-----------------------------------------------------------------------+
314+ UPGRADING DRAGONFLY ON AN EXISTING DRAGONFLY SYSTEM +
315+ UPDATING FROM PRE-1.2 SYSTEMS OR FreeBSD 4.x TO +
316+ DRAGONFLY 1.3+ (EITHER PREVIEW or HEAD) +
317+-----------------------------------------------------------------------+
58116288 318
114580ac 319The compatibility shims for the build environment have been removed, you
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320have to update to DragonFly 1.2 release branch first.
321
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322The default PAM configuration has moved from /etc/pam.conf to /etc/pam.d/.
323The existing configuration can be converted using /etc/pam.d/convert.sh.
324Entries in /etc/pam.d/ override entries in /etc/pam.conf. In addition
325the pam_skey.so module was retired, you have to remove it manually from
326your configuration, when you convert it.
58116288 327
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328> Required user and group IDs when upgrading from either FreeBSD or DragonFly
329---------------------
330
331The following users may be missing from your password file. Use vipw and
332add any that are missing:
333
334smmsp:*:25:25::0:0:Sendmail Submission User:/var/spool/clientmqueue:/sbin/nologin
dcf85892 335_pflogd:*:64:64::0:0:pflogd privsep user:/var/empty:/sbin/nologin
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336
337The following groups may be missing from your group file. Use vi /etc/group
338and add any that are missing:
339
340smmsp:*:25:
341authpf:*:63:
dcf85892 342_pflogd:*:64:
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343
344
f419daca 345> Upgrading to DragonFly from FreeBSD
5e0ae0d4 346---------------------
984263bc 347
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348You can build the DragonFly world and DragonFly kernels on a FreeBSD-4.x or
349FreeBSD-5.x machine and then install DragonFly over FreeBSD, replacing
350FreeBSD. Note that the DragonFly buildworld target does not try to reuse
351make depend information, it starts from scratch, so no pre-cleaning of the
352object hierarchy is necessary.
353
466bbc10 354 # get the CVS repository (it is placed in /home/dcvs, 500MB).
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355 # Please use the -h option and a mirror site to pull the
356 # initial repository, but feel free to use the main repository
357 # machine to pull updates.
5010eeb3 358 cvsup /usr/share/examples/cvsup/DragonFly-cvs-supfile
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359 # install the source from the CVS hierarchy (remove preexisting
360 # FreeBSD src first) (500MB)
361 cd /usr
362 rm -rf src
50172b1c 363 cvs -R -d /home/dcvs checkout -P src
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364
365 # build it (500MB used in /usr/obj)
366 #
367 cd /usr/src
368 make buildworld
369 make buildkernel KERNCONF=<KERNELNAME>
984263bc 370
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371Once you have built DragonFly you have to install it over FreeBSD. Since
372DragonFly does not track changes made by FreeBSD to its include file
373hierarchy and include file pollution can cause all sorts of unexpected
374compilation issues to come up, it is best to wipe your include hierarchy
375prior to installing DragonFly. Note that you should not wipe any installed
376FreeBSD header files or binaries until after you have successfully completed
377the build steps above.
fb12f484 378
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379 rm -rf /usr/include
380 mkdir /usr/include
381 make installkernel KERNCONF=<KERNELNAME>
382 make installworld
fb12f484 383
b8cbf045 384Then you need to upgrade your system. DragonFly's 'make upgrade' target
f419daca 385will unconditionally upgrade the /etc files that sysops do not usually
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386mess around with, such as the files in /etc/rc.d. It will also remove any
387obsolete files such as utilities and manpages that have been removed from
388the system since the version you're coming from. If you are unsure we
389recommend that you make a backup of at least your /etc before applying
390this step. Note that DragonFly's RC system is basically RCNG from
391FreeBSD-5, but there are some differences in the contents of the RC files.
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392
393 make upgrade
394
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395NOTE! Never do a 'make upgrade' before 'make installworld' has been run.
396Doing so might leave your system in an unusable state.
397
f419daca 398Finally we recommend that you do an 'ls -lta BLAH' for /bin, /sbin, /usr/bin,
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399/usr/bin, and /usr/lib, and remove any stale files that you find. Please
400report these files to the DragonFly developers so that they can be added to
401the 'upgrade' target.
f419daca 402