395 lines
15 KiB
Plaintext
395 lines
15 KiB
Plaintext
$NetBSD: UPDATING,v 1.189 2009/01/14 15:53:29 hubertf Exp $
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This file (UPDATING) is intended to be a brief reference to recent
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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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See also: BUILDING, build.sh, Makefile.
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Recent changes:
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^^^^^^^^^^^^^^^
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20090110:
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time_t and dev_t have been bumped to 64 bit quantities. To upgrade:
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1. Make sure your kernel has COMPAT_50 in it. Build and install.
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This is needed even in the MODULAR kernel because there is
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conditionally compiled code in rtsock.c.
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2. make sure build.sh completes and the binaries in a chroot work
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before installing.
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3. If you don't use build.sh and you build directly to root, and
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your build breaks in the middle, don't despair. Make sure headers
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are installed properly, and start building libraries first libc
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and libutil, install them and then continue building all the
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libraries in src/lib and src/gnu/lib and install them. Once
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the new libraries are installed, you can restart the build.
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4. If you compile packages and you notice link time warnings,
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rebuild the required packages to update their shared libraries.
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Any package you rebuild will require rebuilding all the packages
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that depend on it.
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5. Next time you run pwd_mkdb with the new binary, the file
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will be upgraded and it will not be backwards compatible.
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6. The utmpx/wtmpx files have been versioned, and there is
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a heuristic for utmp. You are better off removing the
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old files after upgrading. The accounting file has not
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been versioned, and will need to be removed.
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20081219:
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config(1) has been updated, and one of the files it creates -
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swapnetbsd.o - has changed format. You need to rebuild config
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(done automatically by build.sh) and then you need to rerun
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config on all kernel configuration files before rebuilding those
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kernels.
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20081205:
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If you build with MKX11=no, you should remove /etc/rc.d/xdm and
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/etc/rc.d/xfs from DESTDIR because those files were moved to the xetc
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set and will appear as extra files for MKX11=no update builds.
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20081122:
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On i386, various kernel options(4) in GENERIC including
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file systems have been disabled and moved into kernel modules.
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Before trying a new GENERIC kernel, you have to prepare the
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following files as well as a new GENERIC kernel:
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- build and install kernel modules from src/sys/modules
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- install the latest bootloader, which will load a module
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for the file system from which the kernel is loaded automatically
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If you have to load your kernel from a file system which is not of
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the same type as the root file system, you have to load the necessary
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file system module manually on the boot prompt or in the boot.cfg file.
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20080827:
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If you built and installed a libc from sources between
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2008/08/20 and 2008/08/26 you got a broken strtouq(3)
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which results in false errors reported by lint(1).
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Since this breaks the libc build itself, manual help is
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needed -- lint must be disabled temporarily, e.g.:
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$ (cd lib/libc && make MKLINT=no dependall install)
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20080813:
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MKDEBUG build was broken because the .depend files did not know
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about .go files. You need to remove all .depend files and rebuild.
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20080731:
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WAPBL (metadata journaling support) has been added, but at this
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time isn't backwards compatible with pre-WAPBL aware kernels
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and userland (fsck_ffs in particular). Please make sure you
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don't use a journaled filesystem with an older kernel/userland,
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especially an uncleanly mounted journaled filesystem. WAPBL
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also requires the super block to be in the UFS2 format. You
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can use fsck_ffs -c 4 to update the superblock format.
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20080721:
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Assembler warnings are now fatal if $WARNS>0 and $NOGCCERROR
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isn't defined.
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20080531:
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The ioctl number of DRVSUSPENDDEV command on /dev/drvctl changed
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from 125 (conflicted with DRVCTLCOMMAND) to 129. The drvctl(8)
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utility needs to be rebuilt and reinstalled as older binaries
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won't work correctly. The following sequence of commands:
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$ (cd sys/sys/ && nbmake-$arch includes)
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$ (cd sbin/drvctl/ && nbmake-$arch clean)
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$ (cd sbin/drvctl/ && nbmake-$arch all)
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leaves new drvctl utility in sbin/drvctl build directory.
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20080503:
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The <bsd.lib.mk> variable MKPRIVATELIB was renamed to LIBISPRIVATE.
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20080521:
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For a while, unprivileged UPDATE builds would fail to
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succeed at the checkflist stage, complaining that
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${DESTDIR}/stand/<arch>/ did not exist. A fix for this
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problem was committed to share/mk/bsd.kmodule.mk, revision 1.9.
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If you already hit this problem, update the .mk file,
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remove ${DESTDIR}/stand/<arch>, and re-run the build.
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20080303:
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Linker warnings are now fatal if $WARNS>0.
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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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---cut here---
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#!/bin/sh
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. /etc/mk.conf
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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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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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cd $NETBSDSRCDIR && make cleandir
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---cut here---
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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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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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Fix: Make sure .mk files are up to date.
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cd share/mk && make install
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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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Symptom:
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Fix: Rebuild usr.bin/yacc
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Symptom:
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Fix: Rebuild usr.bin/lex
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Symptom:
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Fix: rm /usr/lib/libbfd.a
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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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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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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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Symptom:undefined reference to `__assert13' or `__unsetenv13'
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Fix: Rebuild and install lib/libc
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Symptom:usr.bin/config fails to build.
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Fix: Try building with -DMAKE_BOOTSTRAP added to CFLAGS in Makefile.
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Symptom:undefined reference to `getprogname' or `setprogname'
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Fix: Rebuild and install lib/libc
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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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