CVS log for src/external/cddl/osnet/lib/libzfs/Makefile

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Default branch: MAIN

Mostly merge changes from HEAD upto 20200411

Pull up following revision(s) (requested by brad in ticket #252):

	external/cddl/osnet/lib/libzpool/Makefile: revision 1.13
	lib/libpthread/Makefile: revision 1.95
	external/cddl/osnet/lib/libuutil/Makefile: revision 1.6
	distrib/sets/lists/base/shl.mi: revision 1.871
	external/cddl/osnet/lib/libzfs_core/Makefile: revision 1.2
	external/cddl/osnet/lib/libnvpair/Makefile: revision 1.11
	external/cddl/osnet/lib/libzfs/Makefile: revision 1.10
	external/cddl/osnet/lib/libavl/Makefile: revision 1.6
	distrib/sets/lists/debug/shl.mi: revision 1.230
	external/cddl/osnet/lib/libumem/Makefile: revision 1.7

Add USE_SHLIBDIR=yes to a number of Makefiles for the libraries used
by /sbin/{zfs,zpool,mount_zfs}.  The general effect is to move them
from /usr/lib to /lib.  Compatibility links are installed in /usr/lib
and nothing that is installed, say in /usr/pkg, appears to break.

With this, it is possible to have a /var and /usr mount using ZFS
legacy mounting early on in the boot process.
Run tested on amd64 and i386 and compile tested on evbarm.

Fix MKDEBUG distrib sets
Add libpthread, libnvpair and ZFS libs to dynamicroot.

Add USE_SHLIBDIR=yes to a number of Makefiles for the libraries used
by /sbin/{zfs,zpool,mount_zfs}.  The general effect is to move them
from /usr/lib to /lib.  Compatibility links are installed in /usr/lib
and nothing that is installed, say in /usr/pkg, appears to break.

With this, it is possible to have a /var and /usr mount using ZFS
legacy mounting early on in the boot process.

Run tested on amd64 and i386 and compile tested on evbarm.

Sync with HEAD

merge a new version of the CDDL dtrace and ZFS code.
this changes the upstream vendor from OpenSolaris to FreeBSD,
and this version is based on FreeBSD svn r315983.

in addition to the 10 years of improvements from upstream,
this version also has these NetBSD-specific enhancements:
 - dtrace FBT probes can now be placed in kernel modules.
 - ZFS now supports mmap().

Sync with HEAD

include bsd.init.mnk for consistency and set NOLINT since this overrides
MKLINT which can be re-set from /etc/mk.conf.

Rebase to HEAD as of a few days ago.

sync with head.

for a reference, the tree before this commit was tagged
as yamt-pagecache-tag8.

this commit was splitted into small chunks to avoid
a limitation of cvs.  ("Protocol error: too many arguments")

If a library needs a symbol from another library, pull that library in
explicitly, even if the DT_NEEDED closure would normally already ensure
the presence.

Fix zfs Makefiles + debug, don't add -g by default only when MKDEBUG is
enabled. Fix header assert conflicts + bump WARNS for some libs.

Add missing zfs_fletcher.c to libzfs.

Add newly added stubs.c file to libzfs build.

Apply NetBSD changes to DTrace.

Ok with core@.

Add the FreeBSD 8-RC1 changes for DTrace.

Ok with core@.

Add NetBSD Solaris compat code and reachover Makefiles. Most of code written
by Andrew Doran some of it by me.

This is still work in progress code. There are known issues. Zfs can panic
your system still. I will commit integration bits and needed kernel bits
later when we fix most obvious bugs. This code need some support from our
kernel which I will commit in a separate patch and therefore itnot work yet.

Issues:

1) Support for openat/fstatat syscalls.
2) getnewvnode locking against myself panic when reclaiming vnodes
3) Replace solaris taskq with our workqueue which doesn't need to alloc
   anything during work.
4) Investigate problems with NO_WAIT allocations.

Oked by core@ and ad@.