version 1.114.2.2, 2004/08/03 22:32:12 |
version 1.131, 2004/12/02 00:00:11 |
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$NetBSD$ |
$NetBSD$ |
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This file is intended to be a brief introduction to the build |
This file (UPDATING) is intended to be a brief reference to recent |
process and a reference on what to do if something doesn't work. |
changes that might cause problems in the build process, and a guide for |
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what to do if something doesn't work. |
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For a more detailed description of the recommended way to build NetBSD |
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using build.sh, see the BUILDING file. |
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Note that much of the advice in this UPDATING file was written before |
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build.sh existed. Nevertheless, the advice here may be useful for |
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working around specific problems with build.sh. |
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For a more detailed description see Makefile. |
See also: BUILDING, build.sh, Makefile. |
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Recent changes: |
Recent changes: |
^^^^^^^^^^^^^^^ |
^^^^^^^^^^^^^^^ |
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20041201: |
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Userland programs have been changed to use /dev/bpf instead of |
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/dev/bpfX. You need to create that device by installing a new |
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MAKEDEV and running it, or mv /dev/bpf0 /dev/bpf && rm /dev/bpf[0-9]* |
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20041006: |
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A bug was introduced into /bin/sh (var.c rev 1.35) which causes |
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variables to not export correctly to subshells in all cases. This |
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will cause builds to break if that version of /bin/sh is installed |
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on the system. The proper version of /bin/sh can be verified with: |
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ident /bin/sh | grep var |
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Any /bin/sh w. version 1.35 will not work and needs to be updated |
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before attempting a build. |
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20041001: |
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The ipfilter kernel sources moved from sys/netinet to |
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dist/sys/ipf/netinet. Due to the move some Makefile |
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dependencies are now dangling requiring a make cleandir |
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before they work again (kdump, ktruss, rescue, ipf, and |
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ftp-proxy are the victims). |
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20040715: |
20040715: |
The rc.d/sendmail script now uses a heuristic to determine |
The rc.d/sendmail script now uses a heuristic to determine |
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kernel builds has been changed again. The latest version |
kernel builds has been changed again. The latest version |
of bsd.files.mk is no longer required. |
of bsd.files.mk is no longer required. |
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20040621: |
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Due to the recent rototill of tools/compat it's crucial one starts |
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from a clean objdir under tools/*. |
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This is mostly due to generated files (yacc and lex sources) needing |
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to be generated with new rules from bsd.hostprog.mk. |
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The safest course is to rm -rf all objects under tools before building. |
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20040516: |
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The end-user modifiable X11 configuration has been moved |
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from /usr/X11R6/lib/X11/<dir> to /etc/X11/<dir>. |
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Ensure that src and xsrc is up to date, and run |
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"make cleandir" in src/x11 before your next build. |
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postinstall currently doesn't migrate the files from |
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/usr/X11R6/lib/X11/* to /etc/X11/* although it does |
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detect that this needs to occur, so you'll have to |
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manually move these files yourself. |
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20040426: |
20040426: |
Support for the original dynamic sysctl node structure has |
Support for the original dynamic sysctl node structure has |
been removed in favor of the newer layout. This affects |
been removed in favor of the newer layout. This affects |
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"unknown-unknown-netbsd20F" or something like that. if that happens, |
"unknown-unknown-netbsd20F" or something like that. if that happens, |
make sure to follow the above steps. |
make sure to follow the above steps. |
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20040326: |
20040425: |
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The ffs superblock issues listed below under 20040109 and 20030402 |
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are now automatically addressed by the /etc/rc.d/fixsb script or by |
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sysinst when it checks a a filesystem. The manual fsck_ffs -b16 -c4 |
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invocation mentioned below will continue to work and is now |
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automated by those scripts. Note that under certain circumstances, |
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affected filesystems upgraded to a -current kernel first before |
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upgrading their userland with the fixsb and fsck_ffs fixes may |
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encounter a 'freeing free inode' panic when writing to the affected |
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filesystem, so it is a good idea to repair the filesystem as soon as |
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possible. For more details on the fixsb script, see pr install/25138. |
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20040418: |
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statfs(2) and friends have been replaced with statvfs(2). Before |
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installing a newly build userland make sure that you are running |
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a newly built kernel with COMPAT_20 set. In addition your libc |
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build might not work (undefined SYS_statfs symbol) because make |
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clean does not know how to remove files it does not know about |
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anymore. Manually remove all generated .S sources and objects |
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from the libc build directory. |
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20040326: |
The method by which athhal-elf.o gets pulled into i386 kernel builds |
The method by which athhal-elf.o gets pulled into i386 kernel builds |
has been changed. The file is now stored as a uuencode file in CVS |
has been changed. The file is now stored as a uuencoded file in CVS |
and the generated Makefile will use the new .uue rules from bsd.file.mk |
and the generated Makefile will use the new .uue rules from bsd.file.mk |
to build it. |
to build it. |
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Hints for a more successful build: |
Hints for a more successful build: |
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
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Use build.sh, but do not use its "expert mode": |
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This will will automatically build the tools in the |
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correct order, and it will keep the tools and the |
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new build products from interfering with the running |
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system. This will allow you to ignore most of the |
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other advice in this file. |
Build a new kernel first: |
Build a new kernel first: |
This makes sure that any new system calls or features |
This makes sure that any new system calls or features |
expected by the new userland will be present. This |
expected by the new userland will be present. This |
Line 591 Hints for a more successful build: |
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Line 668 Hints for a more successful build: |
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about one. It also makes it easier to clean up after |
about one. It also makes it easier to clean up after |
a build. It's also necessary if you want to use the |
a build. It's also necessary if you want to use the |
same source tree for multiple machines. |
same source tree for multiple machines. |
To use object directories: |
To use object directories with build.sh: |
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a) invoke build.sh with the "-M" or "-O" options. |
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To use object directories without using build.sh: |
a) cd /usr/src ; make cleandir |
a) cd /usr/src ; make cleandir |
b) Add "OBJMACHINE=yes" to /etc/mk.conf |
b) Add "OBJMACHINE=yes" to /etc/mk.conf |
c) Add "MKOBJDIRS=yes" to /etc/mk.conf |
c) Add "MKOBJDIRS=yes" to /etc/mk.conf |
Line 599 Hints for a more successful build: |
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Line 678 Hints for a more successful build: |
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Note that running "make obj" in a directory will create |
Note that running "make obj" in a directory will create |
in obj.$MACHINE directory. |
in obj.$MACHINE directory. |
Build to a DESTDIR: |
Build to a DESTDIR: |
This helps to keep old |
This helps to keep old installed files (especially libraries) |
installed files (especially libraries) from interfering |
from interfering with the new build. |
with the new build. |
To build to a DESTDIR with build.sh, use the "-D" option. |
To build to a DESTDIR, set the DESTDIR environment |
To build to a DESTDIR without using build.sh, set the DESTDIR |
variable before running make build. It should be set to |
environment variable before running make build. It should be |
the pathname of an initially empty directory. |
set to the pathname of an initially empty directory. |
Problems: you might need to update critical utilities |
Problems: if you do not use build.sh, you might need to |
without using DESTDIR since nothing is executed |
update critical utilities without using DESTDIR since |
from what is installed in DESTDIR. |
nothing is executed from what is installed in DESTDIR. |
(See critical utils, below) |
(See critical utils, below.) |
Build often: |
Build often: |
This keeps critical utilities current enough to not choke |
This keeps critical utilities current enough to not choke |
on any other part of the source tree that depends on up to |
on any other part of the source tree that depends on up to |
date functionality. |
date functionality. If you use build.sh, you should not have |
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this problem. |
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What to do if things don't work: |
What to do if things don't work: |
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |