MFC: r343011

Use ${SRCTOP}/contrib/com_err/com_err.h instead of the installed com_err.h.
This fixes build when com_err.h is not installed.

PR: 234691

MFC r314657:

kerberos5: normalize paths using SRCTOP-relative paths or :H when possible

This simplifies make logic/output

Copy head@r302406 to stable/11 as part of the 11.0-RELEASE cycle.
Prune svn:mergeinfo from the new branch, as nothing has been merged
here.

Additional commits post-branch will follow.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

WITH_META_MODE: Don't expect meta files for side-effect generated files.

The first file in these lists will generate everything else so only
it should be getting a .meta file. With bmake's missing=yes meta
feature these would otherwise cause a rebuild without the
.NOMETA hint.

Sponsored by: EMC / Isilon Storage Division

FAST_DEPEND: Always run depend via beforebuild which removes many hacks.

This will generate dependencies rather than depending on the previous behavior
of depending on the guessed OBJS: *.h dependecies or a user running
'make depend'.

Experimentation showed that depending only on headers was not enough and
prone to .ORDER errors. Downstream users may also have added
dependencies into beforedepend or afterdepend targets. The safest way to
ensure dependencies are generated before build is to run 'make depend'
beforehand rather than just depending on DPSRCS+SRCS.

Note that the OBJS_DEPEND_GUESS mechanism (a.k.a .if !exists(.depend) then
foo.o: *.h) is still useful as it improves incremental builds with missing
.depend.* files and allows 'make foo.o' to usually work, while this
'beforebuild: depend' ensures that the build will always find all dependencies.
The 'make foo.o' case has no means of a 'beforebuild' hook.

This also removes several hacks in the DIRDEPS_BUILD:
- NO_INSTALL_INCLUDES is no longer needed as it mostly was to work around
.ORDER problems with building the needed headers early.
- DIRDEPS_BUILD: It is no longer necesarry to track "local dependencies" in
Makefile.depend.

These were only in Makefile.depend for 'clean builds' since nothing would
generate the files due to skipping 'make depend' and early dependency
bugs that have been fixed, such as adding headers into SRCS for the
OBJS_DEPEND_GUESS mechanism. Normally if a .depend file does not exist then
a dependency is added by bsd.lib.mk/bsd.prog.mk from OBJS: *.h. However,
meta.autodep.mk creates a .depend file from created meta files and inserts
that into Makefile.depend. It also only tracks *.[ch] files though which can
miss some dependencies that are hooked into 'make depend'. This .depend
that is created then breaks incremental builds due to the !exists(.depend)
checks for OBJS_DEPEND_GUESS. The goal was to skip 'make depend' yet it only
really works the first time. After that files are not generated as expected,
which r288966 tried to address but was using buildfiles: rather than
beforebuild: and was reverted in r291725. As noted previously,
depending only on headers in beforebuild: would create .ORDER errors
in some cases.

meta.autodep.mk is still used to generate Makefile.depend though via:
gendirdeps: Makefile.depend
.END: gendirdeps

This commit allows removing all of the "local dependencies" in
Makefile.depend which cuts down on churn and removes some of the
arch-dependent Makefile.depend files.

The "local dependencies" were also problematic for bootstrapping.

Sponsored by: EMC / Isilon Storage Division

Make it buildable with WITH_OPENLDAP, again.

MFC after: 1 week

Add META_MODE support.

Off by default, build behaves normally.
WITH_META_MODE we get auto objdir creation, the ability to
start build from anywhere in the tree.

Still need to add real targets under targets/ to build packages.

Differential Revision: D2796
Reviewed by: brooks imp

Make kerberos use the same sqlite libraries as other sqlite consumer.

This reduces the number of copy of sqlite we have to just one and easier
tracking version of sqlite

Differential Revision: https://reviews.freebsd.org/D2443
Reviewed by: imp, stas, bjk

Add a ${CP} alias for copying files in the build.

Some users build FreeBSD as non-root in Perforce workspaces. By default,
Perforce sets files read-only unless they're explicitly being edited.
As a result, the -f argument must be used to cp in order to override the
read-only flag when copying source files to object directories. Bare use of
'cp' should be avoided in the future.

Update all current users of 'cp' in the src tree.

Reviewed by: emaste
MFC after: 1 week
Sponsored by: Spectra Logic

Convert kerberos to LIBADD and reduce overlinking of the kerberos binaries and
libraries

Fix installworld failure when kerberos source files have new timestamps

If a kerberos .hx source file is newer than the .h copy, but the content
is the same, then during buildworld the "cmp -s || cp" command in the
.hx.h rule would do nothing, leaving the .h copy with the older
timestamp. During installworld the rule would again be invoked, causing
a failure as neither cmp or cp would exist in the temporary path.

As the underlying issue should be resolved by r262209, unconditionally
copy the file.

No objection: peter@
Tested by: gjb@
Sponsored by: The FreeBSD Foundation

Revert my commit in r261253; the real problem was tackled in r262209.

Really (I think) fix the sporadic heimdal build failures with high -j
levels. The root of the problem was that make was attempting to run up
to three concurrent asn1_compile commands to produce the three outputs
that it was declared to produce. The failure was caused when the
asn1_compiles were started out of sync and a later one was truncating
the files that another thread was trying to copy. In reality it is
supposed to be run exactly once and all three outputs are produced in
one pass.

Use the same hack as for the parent's Makefile.inc for the compile_et
multi-output rule.

Speculatively replace a cp with a cat for gathering data on a
sporadic parallel build failure in the FreeBSD cluster on many-core
systems with ZFS. cp uses mmap in this scenario, cat does not.

Centralize the specification of the krb5 build tools.

* Remove headers from SRCS that are not generated
(and are in /usr/src/crypto/heimdal/).

* Avoid race conditions with 'make -j<N>'.

- Update FreeBSD Heimdal distribution to version 1.5.1. This also brings
several new kerberos related libraries and applications to FreeBSD:
o kgetcred(1) allows one to manually get a ticket for a particular service.
o kf(1) securily forwards ticket to another host through an authenticated
and encrypted stream.
o kcc(1) is an umbrella program around klist(1), kswitch(1), kgetcred(1)
and other user kerberos operations. klist and kswitch are just symlinks
to kcc(1) now.
o kswitch(1) allows you to easily switch between kerberos credentials if
you're running KCM.
o hxtool(1) is a certificate management tool to use with PKINIT.
o string2key(1) maps a password into key.
o kdigest(8) is a userland tool to access the KDC's digest interface.
o kimpersonate(8) creates a "fake" ticket for a service.

We also now install manpages for some lirbaries that were not installed
before, libheimntlm and libhx509.

- The new HEIMDAL version no longer supports Kerberos 4. All users are
recommended to switch to Kerberos 5.

- Weak ciphers are now disabled by default. To enable DES support (used
by telnet(8)), use "allow_weak_crypto" option in krb5.conf.

- libtelnet, pam_ksu and pam_krb5 are now compiled with error on warnings
disabled due to the function they use (krb5_get_err_text(3)) being
deprecated. I plan to work on this next.

- Heimdal's KDC now require sqlite to operate. We use the bundled version
and install it as libheimsqlite. If some other FreeBSD components will
require it in the future we can rename it to libbsdsqlite and use for these
components as well.

- This is not a latest Heimdal version, the new one was released while I was
working on the update. I will update it to 1.5.2 soon, as it fixes some
important bugs and security issues.

- Make heimdal buildable with WITH_OPENLDAP defined, again.
- Our heimdal uses the deprecated OpenLDAP functions.

- Add missing interdependencies to kerberos libraries. Some of the
kerberos libraries were not linked properly (missing dependencies),
which causes 3rd party applications linking to fail when --as-needed
ld flag is used. I also added the --no-undefined ld(1) flag to make
sure that there're no missing dependencies.

MFC after: 3 days

Fix conflicts after heimdal-1.1 import and add build infrastructure. Import
all non-style changes made by heimdal to our own libgssapi.

style.Makefile(5).

OK'ed by: nectar

Overhaul of kerberos5/ makefiles. Most significant changes are:

- Dropped support for standalone builds, this was only partially
supported anyway, and required so much magic in makefiles that
made life dangerous (e.g., by using the custom yacc rules).

- Got rid of .OBJDIR in makefiles -- makes building of individual
files possible again.

- Made the .x.c transformations -j safe.

- Reprogrammed LDADD to fix static build of some utilities that
was broken.

- Fixed LDFLAGS and DPADD in the WITH_OPENLDAP case -- positively
affects the contents of .depend files.

- Removed redundant .h's from SRCS, only kept those that are
generated.

- libkrb5/ INCS were bogusly installed again with libgssapi/.

- Made build-tools real tools with their own makefiles in
separate directories. This allows us to properly track
their dependencies, etc.

- Faster build, 21% less of makefile code!

Approved by: nectar
Reviewed by: markm
Silence on: arch

The header files hdb_asn1.h, hdb_err.h, and kadm5_err.h are generated,
and must be installed from ${.OBJDIR}.

Pointy hat: nectar

Install additional headers for Kerberos (libkafs, libkadm5*, and
libhdb).

Try a lot harder to get dependancies right. This involves some ugly
looking ${.OBJDIR} work that has the up-side of actually working
in upgrade and make -jN cases.

This needs to be revisited further, and it is conceivable that
the ${.OBJDIR} stuff can be simplified, but the sheer number of
edge cases and other causes make this Hard(tm). For now, this works.

Big fixup of the makefiles. Sort out the dependancies so that "make"
without "make depend" works, "make -j N" works, and lists of source
files are made vertical to reduce future diffs.

Add (optional, default off) support to kerberos5 for supporting openldap.
Tests with openldap20 where successful whereas openldap21 didn't like
the way hdb-ldap accessed openldap (doesn't like non-bind access).
To activate the support put a USE_OPENLDAP=yes in your make.conf.
The OPENLDAPBASE is also optional and points to /usr/local as default.

Approved by: markm
MFC after: 2 weeks

Migrate to a new way of dealing with building from old revisions of
FreeBSD. This method attempts to centralize all the necessary hacks
or work arounds in one of two places in the tree (src/Makefile.inc1
and src/tools/build). We build a small compatibility library
(libbuild.a) as well as selectively installing necessary include
files. We then include this directory when building host binaries.

This removes all the past release compatibilty hacks from various
places in the tree. We still build on tip of stable and current. I
will work with those that want to support more, although I anticipate
it will just work.

Many thanks to ru@, obrien@ and jhb@ for providing valuable input at
various stage of implementation, as well as for working together to
positively effect a change for the better.

Take __FreeBSD_version into account when BOOTSTRAPPING.

Bootstrapping aid for pre-getprogname(3) systems.

Spotted by: Gareth Hopkins <gareth@za.uu.net>
Approved by: nectar
MFC after: 3 days

Make this -j safe.

Update build after import of Heimdal Kerberos 2002/02/17.

use cp instead of mv to get the right name of the yacc-generated
files, mv fails badly with parallel makes

Submitted by: Vincent Poy <vince@oahu.WURLDLINK.NET>

update infrastructure for heimdal 0.3f

use print_version from lib/vers instead of lib/roken

update build infrastructure for heimdal 0.3e

Remove largescale evidence of crack-smoking.

Where a k4 applet has a k5 namesake, rename the k5 version
from k<app> to k5<app>. (Repo copy done).

Do some repairs to dependancies to support make world properly.

This commit was generated by cvs2svn to compensate for changes in r56067,
which included commits to RCS files with non-trunk default branches.

Userland build of Kerberos5 (AKA Heimdal). More to come.

This is not ready for primetime yet! Please hold off on the bug reports.