| version 1.114.4.2, 2004/04/11 02:23:45 |
version 1.163.4.3, 2008/03/23 00:12:06 |
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| $NetBSD$ |
UPDATING,v 1.163.4.2 2008/01/09 01:19:18 matt Exp |
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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 see Makefile. |
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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|
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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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|
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See also: BUILDING, build.sh, Makefile. |
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|
| Recent changes: |
Recent changes: |
| ^^^^^^^^^^^^^^^ |
^^^^^^^^^^^^^^^ |
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| 20040410: |
20080126: |
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The posix_fadvise system call has been changed from an assembly |
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stub, to a c file that calls an assembly stub. You need to |
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'rm -f posix_fadvise.* .depend' in the libc build directory to |
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avoid using the old assembly stub. |
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|
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20071209: |
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The acpiec(4) driver has been split into two attachments. If you |
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get ACPI errors before the attachment, please update your kernel |
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configuration file appropriately or see GENERIC for more details. |
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|
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20071115: |
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The it(4) driver has been renamed to itesio(4) and the old port |
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argument specified in the kernel configuration file is not valid |
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anymore. The itesio(4) driver now uses the Super I/O address port |
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rather than the EC address port. Please update your kernel |
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configuration file appropriately or see GENERIC for more details. |
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|
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20071028: |
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The pccons(4) driver has been removed from the NetBSD/shark port. |
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You need to update any custom kernel configuration file you have |
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to remove any references to pccons (which includes removing the |
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now useless XSERVER option) and replace them with the correct |
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entries for the wscons driver. See the GENERIC configuration file |
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for more details. |
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|
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20070913: |
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A latent bug in dhclient/dhcpd that caused it to be unable to |
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enumerate interfaces was fixed. The bug began to cause |
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problems after 20070911 when the kernel's SIOCGIFCONF |
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implementation was repaired. From 20070529 to 20070911 racoon |
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could not enumerate interfaces. (These are noted because |
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normal kernel/userspace version matching hygiene is not |
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sufficient to avoid this problem.) Ensure that both kernel |
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and userland are from after 20070913. |
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|
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20070703: |
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nbinstall has been renamed as it calls the target specific and |
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the logic to pass down STRIP from mk been removed. This forces |
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a re-installation of tools. |
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|
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20070422: |
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The way OS emulations lookup filenames inside the emulation root |
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has been changed. Rather than modify the pathname (and copy back |
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to userspace) namei() and lookup() directly check the emulation |
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root. One side effect is that absolute symlinks inside the emulated |
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root file system will be relative to that file system - unless they |
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start /../ this is useful when the emulated root is a real install |
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that has such links. |
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This might affect symlinks that have been added to reference outside |
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the emulated root. |
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|
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20070412: |
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The pckbc driver on sgimips IP32 has been removed. Use macekbc |
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instead. See the GENERIC32_IP3x kernel configuration for an |
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example. |
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|
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20070319: |
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src/lib/libc/Makefile revision 1.129 broke libc and ld.elf_so |
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on many platforms due to incorrect flags settings. If you |
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updated and built after about 20070315, do "nbmake-$arch |
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cleandir" in src/lib/libc and src/libexec/ld.elf_so to force a |
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rebuild of object files that might have been built |
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incorrectly, and ensure that you have at least |
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src/lib/libc/Makefile 1.130. |
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|
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20070210: |
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src/sys/sys/{sa.h,savar.h} were removed. |
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find ${OBJDIR} \( -name .depend -o -name '*.d' \) -print \ |
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| xargs egrep -l '/sa.h|/savar.h' | xargs rm |
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will allow dependencies on those files to get get rebuilt |
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|
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20070209: |
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The threading model was changed when the newlock2 branch |
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was merged to NetBSD-current. If you boot with a new |
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kernel (version 4.99.10), then you also need a new pthread |
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library (/usr/lib/libpthread.so.0.7). If you boot with |
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an old kernel, then you need the old pthread library |
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(/usr/lib/libpthread.so.0.6). Provided you keep the kernel and |
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the pthread library in sync, old threaded applications should |
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continue to work with an old or new kernel. Note that named(8) |
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is the only threaded application in the base system. |
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|
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20061214: |
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Following the move of string_to_flags() and flags_to_string() |
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from the bin/ls/ sources to libutil, users doing UPDATE builds |
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will need to do a "make cleandir" in |
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tools/mtree/, tools/makefs/, tools/binstall/, tools/pax/, |
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bin/pax/, bin/ls/, usr.sbin/mtree/, usr.sbin/makefs/, |
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usr.bin/xinstall/, libexec/ftpd/, rescue/, as well |
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as the installation images in distrib/ |
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in order to excise stale references to the old stat_flags.h header |
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file in the ls sources -- stat_flags.h has been removed. |
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|
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20061108: |
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The configure script used in the src/tools/gcc compiler has been |
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changed to indicate that our libc has ssp support built-in and |
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does not depend on -lssp and -lssp-nonshared. You'll need to |
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make clean in src/tools/gcc first to rebuild the compiler. |
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|
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20061009: |
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The sysctl variables net.inet{,6}.tcp{,6}.newreno are no longer |
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available. Use net.inet{,6}.tcp{,6}.congctl.selected instead. |
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|
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20060814: |
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The vt, vidcconsole, kbd, and rpckbd drivers on acorn32 have been |
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withdrawn. Use vidcvideo and pckbd instead. See the GENERIC |
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kernel configuration for an example. X servers from the last |
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few years should cope. |
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|
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20060703: |
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MPACPI is no more. We always configure PCI interrupts using ACPI |
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if we have an ACPI kernel. The option MPACPI_SCANPCI has been renamed |
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to ACPI_SCANPCI. Thanks to work from fvdl. |
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|
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20060627: |
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socket(2) has changed, and its system call has been versioned. |
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For userlands with the old version of socket(2), make sure that |
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your kernel has 'options COMPAT_30' set, or else 'bad system call' |
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errors will result. |
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|
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Hints for a more successful build: |
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
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Use build.sh, but do not use its "expert mode": |
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This 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. |
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Build a new kernel first: |
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This makes sure that any new system calls or features |
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expected by the new userland will be present. This |
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helps to avoid critical errors when upgrading. |
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Use object directories: |
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This helps to keep stale object |
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files from polluting the build if a Makefile "forgets" |
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about one. It also makes it easier to clean up after |
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a build. It's also necessary if you want to use the |
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same source tree for multiple machines. |
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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: |
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a) cd /usr/src ; make cleandir |
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b) Add "OBJMACHINE=yes" to /etc/mk.conf |
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c) Add "MKOBJDIRS=yes" to /etc/mk.conf |
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d) cd /usr/src ; make build |
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Note that running "make obj" in a directory will create |
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in obj.$MACHINE directory. |
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Build to a DESTDIR: |
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This helps to keep old installed files (especially libraries) |
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from interfering with the new build. |
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To build to a DESTDIR with build.sh, use the "-D" option. |
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To build to a DESTDIR without using build.sh, set the DESTDIR |
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environment variable before running make build. It should be |
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set to the pathname of an initially empty directory. |
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Problems: if you do not use build.sh, you might need to |
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update critical utilities without using DESTDIR since |
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nothing is executed from what is installed in DESTDIR. |
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(See critical utils, below.) |
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Build often: |
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This keeps critical utilities current enough to not choke |
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on any other part of the source tree that depends on up to |
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date functionality. If you use build.sh, you should not have |
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this problem. |
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|
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What to do if things don't work: |
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
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When things don't work there is usually a few things that commonly |
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should be done. |
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1) make includes |
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This should be done automatically by make build. |
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2) cd share/mk && make install |
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Again, automatically done by make build. |
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|
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Failsafe rebuild of a small part of the tree: |
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
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To make sure you rebuild something correctly you want to do |
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something like the following: |
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1) Make sure the includes and .mk files are up to date. |
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2) Make sure any program used to build the particular |
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utility is up to date. (yacc, lex, etc...) |
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3) cd ...path/to/util... |
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make cleandir |
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rm ...all obj directories... |
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make cleandir # yes, again |
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make obj |
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make depend && make |
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|
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Failsafe rebuild of the entire tree: |
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
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If you really want to make sure the source tree is clean and |
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ready for a build try the following. Note that sourcing /etc/mk.conf |
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(a make(1) Makefile) in this manner is not right, and will not work |
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for anyone who uses any make(1) features in /etc/mk.conf. |
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|
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---cut here--- |
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#!/bin/sh |
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. /etc/mk.conf |
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|
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if [ -z $NETBSDSRCDIR ] ; then |
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NETBSDSRCDIR=/usr/src |
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fi |
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if [ \! -d $NETBSDSRCDIR ] ; then |
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echo Unable to find sources |
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exit 1 |
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fi |
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find $NETBSDSRCDIR -name \*.o -o -name obj.\* -o -name obj -exec rm \{\} \; |
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|
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if [ -z $BSDOBJDIR ] ; then |
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BSDOBJDIR=/usr/obj |
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fi |
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if [ -d $BSDOBJDIR ] ; then |
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rm -rf $BSDOBJDIR |
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fi |
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|
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cd $NETBSDSRCDIR && make cleandir |
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|
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---cut here--- |
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|
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Critical utilities: |
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^^^^^^^^^^^^^^^^^^^ |
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usr.bin/compile_et |
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usr.bin/make |
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usr.bin/yacc |
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usr.bin/lex |
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usr.bin/xlint |
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usr.bin/config |
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|
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Other problems and possible solutions: |
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
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Symptom:Complaints involving a Makefile. |
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Fix: Rebuild usr.bin/make: |
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cd usr.bin/make && make && make install |
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Or, a failsafe method if that doesn't work: |
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cd usr.bin/make && cc *.c */*.c -I . -o make && mv make /usr/bin |
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|
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Fix: Make sure .mk files are up to date. |
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cd share/mk && make install |
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|
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Symptom:Kernel `config' fails to configure any kernel, including GENERIC. |
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Fix: Rebuild usr.bin/config |
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|
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Symptom: |
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Fix: Rebuild usr.bin/yacc |
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|
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Symptom: |
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Fix: Rebuild usr.bin/lex |
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|
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Symptom: |
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Fix: rm /usr/lib/libbfd.a |
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|
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Symptom:Obsolete intermediate files are used during compilation |
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Fix: Try the following sequence of commands in the directory in question. |
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make cleandir; rm `make print-objdir`; make cleandir; make obj |
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(If you built the tree without "make obj" in the past, obsolete files |
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may remain. The command tries to clean everything up) |
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|
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Symptom:.../sysinst/run.c:xx: warning: initialization from incompatible pointer type |
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Fix: Rebuild and install usr.bin/menuc |
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|
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Symptom:mklocale not found during build in share/locale/ctype |
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Fix: Build and install usr.bin/mklocale |
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|
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Symptom:undefined reference to `__assert13' or `__unsetenv13' |
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Fix: Rebuild and install lib/libc |
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|
| In order to build a complete release of 1.5 (post 1.5.3) the following |
Symptom:usr.bin/config fails to build. |
| steps should be performed first: |
Fix: Try building with -DMAKE_BOOTSTRAP added to CFLAGS in Makefile. |
| |
|
| 1. Build and install a new make (usr.bin/make) |
Symptom:undefined reference to `getprogname' or `setprogname' |
| 2. Build and install new copies of libcrypto and libssl |
Fix: Rebuild and install lib/libc |
| (they are at new major versions so they won't conflict w. |
|
| existing libraries). |
|
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|
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Symptom:lint does not understand the '-X' option |
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Fix: May need to build & install libs with NOLINT=1 before rebuilding lint |
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