340 lines
11 KiB
Plaintext
340 lines
11 KiB
Plaintext
$NetBSD: UPDATING,v 1.49 2001/12/07 09:56:44 jmc Exp $
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This file is intended to be a brief introduction to the build
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process and a reference on what to do if something doesn't work.
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For a more detailed description see Makefile.
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Recent changes:
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^^^^^^^^^^^^^^^
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20011207:
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If you're attempting to build a snapshot on sparc64 and are getting
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reloc errors from the toolchain groff binary this means your native
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toolchain has some broken C++ bits.
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To fix:
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Build a new toolchain (i.e. build.sh -t)
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Use the new toolchain to build and install natively (i.e. /usr/lib)
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gnu/lib/libgcc
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gnu/lib/libstc++
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After this a snapshot will be able to be built.
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20011201:
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In order for a sparc64 build to work you must have a working awk. If
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you've built and installed a system with the new toolchain up to this
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point you do not have a working awk as it's abililty to do floating
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point is broken.
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To build:
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remake and install gnu/lib/libgcc
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remake and install gnu/usr.bin/gawk into /usr/bin (make sure it links
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against the new libgcc.a)
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20011128:
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Kernel config information was changed to use defflag in
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the various "files" files. Bug fixes to config(8) are
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required in order for this to work properly. Make sure
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to build and install in usr.sbin/config before attempting
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to build a new kernel.
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20011030:
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libc/locale/wcstod.c now needs new lint(1). Update lint(1)
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before building libc.
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20011029:
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The new document BUILDING.mdoc (view with nroff | more, or
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see pre-generated .txt and .html versions) describes the build
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procedure in great detail. BUILDING, and the USE_NEW_TOOLCHAIN
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build process, are intended in the long run to replace this
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manual update log.
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Users building a USE_NEW_TOOLCHAIN system should read the
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BUILDING document for caveats. Generally, BUILDING supersedes
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UPDATING for these systems, as tool updating is taken care of
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by the new build system.
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20011028:
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src/etc/Makefile now needs install to be able to handle
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symlinks that point to nowhere. A bug in install that
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prevented this was corrected.
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Solution: update and reinstall usr.bin/xinstall
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Better Solution: Use the new toolchain and it will just work
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for you.
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20011006:
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/etc/mtree/NetBSD.dist has been updated to take advantage of
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absolute path support added to mtree(8). Older mtree(8)s don't
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understand the format.
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Solution: update and reinstall usr.sbin/mtree
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20011004:
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Crunchgen has been updated to work via reach-over makefiles. Updating
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is suggested before running a snapshot build
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20010915:
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The new "ubcperf" code committed by Chuck Silvers removed
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a header file, uvm/uvm_vnode.h. There may be stale .depend
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files that still reference this file.
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Solution: "make cleandir && make dependall" in affected
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directories.
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20010803:
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grep.info is now built from grep.texi using makeinfo. Since it
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requires makeinfo v4.0, you need to install new texinfo before
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building gnu/usr.bin/grep. To install new texinfo, please follow
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the instruction described in 20010726 entry.
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20010803:
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(i386 only): i386 kernel now uses new instructions like
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`fxsave' which old gas doesn't understand. To build the
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kernel successfuly, you need to build and install new gas
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(gnu/usr.bin/gas.new), or (temporarily) comment out
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"options I686_CPU" from your kernel configuration until you
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rebuilt your userland (and got a new gas).
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20010731:
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Bootloader update on ELF platforms. DDB in kernels from before
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this will be unable to read symbol tables provided by newer
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bootloaders.
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20010726:
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Texinfo was updated to 4.0. To avoid failures when trying to
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build the included texinfo files, do:
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cd src/gnu/usr.bin/texinfo
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make MKINFO=no dependall install
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20010718:
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Enabled correct .init/.fini processing in crt0. The way this
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was done was to change a -I directive to cc(1), which means
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make(1) will have a stale dependency (it will be checking the
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timestamp on the wrong "dot_init.h").
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The symptom you will see is that new programs die with SIGSEGV
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if you have a stale dependency.
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Solution: "make cleandir" in both lib/csu and libexec/ld.elf_so
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before starting your build.
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20010628:
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A construct was added to uvm_page.h that uncovered a bug
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in lint(1). If you get a warning/error about a non-portable
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bitfield, update your lint(1) before proceeding.
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20010226:
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Added named user/group to system. Need to hand add this in or builds
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will break as mtree aborts early.
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To work around add by hand:
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named:*:14:
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to /etc/group and add:
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named:*:14:14::0:0:Named pseudo-user:/var/named:/sbin/nologin
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to master.passwd (use vipw for instance if doing by hand).
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Now a make build should progress.
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20010219:
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get/setprogname() added. Any hostprog's that may use this will need
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to be bootstrapped manually until the host system is current.
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Known problems: sys/arch/macppc/stand/fixcoff
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usr.sbin/config (adding -DMAKE_BOOTSTRAP to
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CFLAGS and rebuilding should work)
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usr.sbin/mdsetimage - Build a static copy if
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building a snapshot before fully bootstrapped.
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20010204:
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prepare the code to compile with stricter gcc flags. in
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particular start eliminating redundant declarations. Yacc
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needs to be installed before make build.
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20010114:
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introduce .if commands(target) in make(1). You need to
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bring everything up-to-date first, then without installing
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anything make and install in usr.bin/make, then proceed
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with make build.
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20010101:
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bsd.subdir.mk committed 20001230 had a bug which caused
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afterinstall targets to run too soon; update again.
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20001230:
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New share/mk files needed to support .WAIT in SUBDIR variables.
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If you get make errors,
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(cd share/mk; make install)
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Also, PRINTOBJDIR has changed and is now used more heavily.
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20001019:
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The `ca' device driver has been replaced by `ld'; although the
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major and minor numbers haven't changed, you should update your /dev
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directory.
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20000929:
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The following make directives are obsoleted.
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MKCRYPTO_RSA NOCRYPTO_RSA NOCRYPTO_RC5 NOCRYPTO_IDEA
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By default, RSA is built into libcrypto. IDEA and RC5 will not be
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built into libcrypto. By using MKCRYPTO_{RC5,IDEA}, you can build
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additional library libcrypto_{idea,rc5}.
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Hints for a more successful build:
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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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:
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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
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installed files (especially libraries) from interfering
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with the new build.
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To build to a DESTDIR, set the DESTDIR environment
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variable before running make build. It should be set to
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the pathname of an initially empty directory.
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Problems: you might need to update critical utilities
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without using DESTDIR since nothing is executed
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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.
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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 $BSDSRCDIR ] ; then
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BSDSRCDIR=/usr/src
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fi
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if [ \! -d $BSDSRCDIR ] ; 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 $BSDSRCDIR -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 $BSDSRCDIR && make cleandir
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---cut here---
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Critical utilities:
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^^^^^^^^^^^^^^^^^^^
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gnu/usr.bin/egcs
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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.sbin/config
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Other problems and possible solutions:
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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Symptom:Unreasonable compiler errors.
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Fix: Rebuild gnu/usr.bin/egcs
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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.sbin/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'
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Fix: Rebuild and install lib/libc
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Symptom:usr.sbin/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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