MFC 255493:
- Decode the idtype argument passed to wait6() in kdump and truss.
- Don't treat an options argument of 0 to wait4() as an error in
  kdump.
- Decode the wait options passed to wait4() and wait6() in truss
  and decode the returned rusage and exit status.
MFC 258177:
Remove an incorrectly copied and pasted clause from these license
statements.
MFC 258869:
Fix an off-by-one error in r228960.  The maximum priority delta provided
by SCHED_PRI_TICKS should be SCHED_PRI_RANGE - 1 so that the resulting
priority value (before nice adjustment) is between SCHED_PRI_MIN and
SCHED_PRI_MAX, inclusive.
MFC r259520:
  Fix copy/paste typo.
MFC r259720:

For gnu/lib/csu, only use gcc-specific flags when compiling with gcc.
MFC r259724:

Apply upstream commit 33312fd828e59c78ae4ee30fd70d0ca109748cf0 (by
zoulasc) to contrib/file:

  don't write a char to a pointer.
MFC r259729:
  Bootstrap etcupdate(8) as part of the release build, similar
  to what is done for mergemaster(8).  This allows etcupdate(8)
  to work out-of-box after the first upgrade of a system.

Sponsored by:	The FreeBSD Foundation
MFC	r258826, r259555, r 259558:

libcpp: Merge fixes from upstream
Fixes:
GCC preprocessor/29966:
GCC preprocessor/28709:
GCC c/31924
GCC preprocessor/14331

gcc: add Apple-compatible -Wnewline-eof

Obtained from:	gcc per-4.3 (rev. 121340, 124356, 124358, 124730,
				  125212, 125255 ; GPLv2)
		Apple Inc. (Apple GCC 4.2 - 5531)
MFC r256661 r257222 r257235 r257248 r257298.

MFC r256661:
Fix the libproc build when DEBUG is defined.

MFC r257222:
Clean up the debug printing in libproc a bit. In particular:

* Don't print any error messages to stderr unless DEBUG is defined.
* Add a DPRINTFX macro for use when errno isn't set.
* Print the error string from libelf when appropriate.

MFC r257235:
Remove an incorrect debug printf.

MFC r257248:
Fix the build with gcc.

MFC r257298:
Revert r257248 and fix the problem in a way that doesn't violate style(9).
MFC r255792:

  Update comment from draft to RFC number.

  Submitted by: Loganaden Velvindron (logan elandsys.com)
MFC r254571:

  Correct a typo in the event mask mnemonic.
MFC	r252397, r258904, r259780:
Small ext2fs updates.

Use the unsigned random() range in i_gen.
Add two new reserved inodes.
Make the hashing algorithm match the linux code.

PR:		kern/183230
Generate client sample code which compiles without warnings.
For 'rpcgen -a', generate a makefile where 'make clean all' works.
MFC 259014: There is no sysctl with the MIB { CTL_KERN, KERN_MAXID }.
Back out r259912 - it shouldn't have been committed to this branch.
gcc: Merge upstream changes.

Include types in error message for build_binary_op.

Mostly cosmetic changes, to reduce differences with Apple's gcc.

Obtained from:	gcc 4.3 (rev. 120611, 124839, 125239; GPLv2)
MFC r254298:
  Remove get_rev_branch(), functionality exists in the release/Makefile.

Sponsored by:	The FreeBSD Foundation