For the moment it only includes <sys/exec_elf.h> but the goal is to
stop pulling it directly and also replace <elf_abi.h> at least for
base applications.
ok deraadt@, jasper@, naddy@

implementation is now spread between libc and librthread.  No changes
to the content
ok mpi@

combine the two find(1) invocations into one.
From Klemens Nanni; ok tb@

doesn't actually flip the switch yet, so aarch64 continues to be the only
architecture for which we build clang.
ok jsg@, deraadt@

ok millert@ deraadt@ kettenis@

ok patrick@

Proposed some time ago by tedu@, builk build by ajacoutot@

flag to chown to change the symlinks themselves instead of their targets.
Also change permissions of all symlinks, so they don't depend on the umask
during make build.
ok millert

and add prereq targets, so some header files are generated by BUILDUSER
during 'make prereq' instead of by root during 'make includes'.
Switch the order of 'make cleandir' and 'make includes' during 'make build'
so we don't generate many files twice.
Except for some machine@ symlinks from ${MACHINE}/stand, /usr/obj is now
clean from files generated by root during 'make build'. Those will be
cleaned up in a second step.
help, testing & ok deraadt, input from natano, further testing rpe

This stores errno, the cancelation flags, and related bits for each thread
and is allocated by ld.so or libc.a.  This is an ABI break from 5.9-stable!
Make libpthread dlopen'able by moving the cancelation wrappers into libc
and doing locking and fork/errno handling via callbacks that libpthread
registers when it first initializes.  'errno' *must* be declared via
<errno.h> now!
Clean up libpthread's symbol exports like libc.
On powerpc, offset the TIB/TCB/TLS data from the register per the ELF spec.
Testing by various, particularly sthen@ and patrick@
ok kettenis@

lots of agreement.

actually remove this header. It was originally added for ports, which is
malloc.h-free now.
additional ports bulk by aja@
ok bently@ dcoppa@ millert@ sthen@

need to live somewhere in the meantime.)

conceptual ok guenther millert nicm

Userland should get these from /usr/X11R6/include/libdrm.
ok deraadt@ (and suggested by jsg@)

ports scan by sthen@

ok deraadt

that should never have been installed.

builds will have a bogus /usr/include/openssl/openssl as found by naddy. ok jca@

ok jca sthen

of the functions prototyped here exist in libc, making it useless.

add siphash
delete setkey, encrypt, cfree

distinguish between LibreSSL (the project) and libressl (the library).
Discussed with many.

Markus Mueller.

* you can #include <sys/endian.h> instead of <machine/endian.h>,
and ditto <endian.h>  (fixes code that pulls in <sys/endian.h> first)
* those will always export the symbols that POSIX specified for
<endian.h>, including the new {be,le}{16,32,64}toh() set.  c.f.
http://austingroupbugs.net/view.php?id=162
if __BSD_VISIBLE then you also get the symbols that our <machine/endian.h>
currently exports (ntohs, NTOHS, dlg's bemtoh*, etc)
* when doing POSIX compiles (not __BSD_VISIBLE), then <netinet/in.h> and
<arpa/inet.h> will *stop* exporting the extra symbols like BYTE_ORDER
and betoh*
ok deraadt@

It's not a standard interface, so it doesn't belong in libc.
I hate duplicating the code in client programs, so do beck@, kettenis@,
schwarze@, millert@, miod@... and they agree with libutil.

already manually disabled).
ok deraadt@

as configuration files; split manpages and .pc files between libcrypto and
libssl.
No functional change, only there to make engineering easier, and libcrypto
sources are still found in libssl/src/crypto at the moment.
ok reyk@, also discussed with deraadt@ beck@ and the usual crypto suspects.

Include tweaks suggested by mpi@
ok deraadt@

"A collision attack published in 2007 can find collisions for full
MD4 in less than two hash operations."
ok deraadt@, man pages ok jmc@

OK krw@, gilles@, lteo@, tedu@, todd@, benno@, sthen@
"The time is right." and much help getting the show on
the road deraadt@

interfaces; ok deraadt@

them ftime(), gtty(), stty(), re_comp(), cuserid() and others.
Discussion and ongoing work to fix the ports tree from many, especially
naddy.
ok naddy
[There is a bit more cleanup possible after that, but this is considered
the current safe step]

Committing now to unbreak ports builds (gvfs fails without, which knocks
out building much of the tree.)

ok miod

headers from any subdirectory of dev/pci/drm.  If we ever add more drm(4)
drivers any headers needed by userland should end up in dev/pci/drm.
ok mpi@, miod@