Sync: merge r214353 through r214648 from ^/head.

Minor grammar fix.

Submitted by: arundel (via email)
Approved by: jkois (mentor)
Patch by: arundel
MFC after: 5 days

Update to current version of head.

WITH_CTF can now be specified in src.conf (not recommended, there
are some problems with static executables), make.conf (would also
affect ports which do not use GNU make and do not override the
comp

WITH_CTF can now be specified in src.conf (not recommended, there
are some problems with static executables), make.conf (would also
affect ports which do not use GNU make and do not override the
compile targets) or in the kernel config (via "makeoptions
WITH_CTF=yes").

Additional (related) changes:
- propagate WITH_CTF to module builds
- do not add -g to the linker flags, it's a noop there anyway
(at least according to the man page of ld)
- do not add -g to CFLAGS unconditionally
we need to have a look if it is really needed (IMO not) or if there
is a way to add it only when WITH_CTF is used

Note: ctfconvert / ctfmerge lines will not appear in the build output,
to protect the innocent (those which do not build with WITH_CTF would
see the shell-test and may think WITH_CTF is used).

Reviewed by: imp, jhb, scottl (earlier version)
Discussed on: arch@

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Document DEBUG_FLAGS in a more visible place, in the build(7) manpage

Noticed by: Alexander Best <alexbestms.at.wwu.de>
Reviewed by: jhb
MFC after: 1 week

IFH@204581

Merge from head at r201628.

# This hasn't been tested, and there are at least three bad commits
# that need to be backed out before the branch will be stable again.

Forgot to bump .Dd, so do it with this commit. Chose local time over
UTC time for the date...

Docmuent NO_KERNEL{CLEAN,CONFIG,DEPEND,OBJ} as necessary. Update
documentation on KERNFAST meaning.

Merge from head up to r188941 (last revision before the USB stack switch)

Update the projects tree to a newer FreeBSD current.

Sort KERNFAST and KERNCONF into the list they are in.

Document KERNCONF and KERNFAST. Note that TARGET is usually all one
needs to set for cross building.

Document the NO_XXX options supported by our Makefile.inc1.

Noticed by: simon
Reviewed by: imp
MFC after: 1 week

BSDMAKE isn't really needed and was removed, so remove here

Document BSDMAKE variable that was recently introduced. Also, since
RELENG_7, the way to do a cross build changed from specifying only
TARGET_ARCH (which has an ambigous mapping to TARGET) to specif

Document BSDMAKE variable that was recently introduced. Also, since
RELENG_7, the way to do a cross build changed from specifying only
TARGET_ARCH (which has an ambigous mapping to TARGET) to specifying
only TARGET (which has a unique mapping to TARGET_ARCH). Update the
example to reflect this.

MFC After: 1 week (the example change only)

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Spelling fixes.

Markup glitch.

Require rpc.lockd(8) only if make is running with the -j option.

Cross-reference src.conf(5).

o Replace alpha-specific DESTDIR to a sparc64 one.

Spotted by: Gennady Proskurin

o In the cross-build example replace alpha by sparc64.

Document the requirement to run rpc.lockd(8) on both client
and server when installing onto an NFS file system.

Document the public targets and make variables supported by the
build system.

Reviewed by: ru (multiple passes)

-mdoc sweep.