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* configure.ac (ACL_SUMMARY): Rename from acl_summary, for consistency.
(EMACS_CONFIG_FEATURES): New define.

* src/emacs.c (syms_of_emacs) <system-configuration-features>: New var.

* lisp/mail/emacsbug.el (report-emacs-bug):
Include system-configuration-features.

* etc/NEWS: Mention this.

This tends to work better than 'MAKE=gmake ./configure' if later
builds run config.status etc.

Ref: http://debbugs.gnu.org/16717#45
If no-one objects, we can then start getting rid of some of the
convoluted Makefile hacks that exist to support non-GNU makes.

* configure.ac: Require GNU make.
(HAVE_GNU_MAKE): Remove.

* INSTALL, etc/NEWS, etc/PROBLEMS: Update for this change.

* Makefile.in: Comment.

This incorporates:
2014-03-26 strftime: wrap macros in "do {...} while(0)"
* lib/strftime.c, doc/misc/texinfo.tex: Update from gnulib.

Every platform supports it, and the runtime option `create-lockfiles'
replaces it.

* configure.ac (CLASH_DETECTION): Remove option.

* lisp/files.el (lock-buffer, unlock-buffer, file-locked-p):
Remove fallback aliases, since they are always defined now.

* src/buffer.c (Frestore_buffer_modified_p, Fkill_buffer):
* src/emacs.c (shut_down_emacs):
* src/fileio.c (Finsert_file_contents, write_region):
* src/filelock.c (top-level, syms_of_filelock):
* src/insdel.c (prepare_to_modify_buffer_1):
CLASH_DETECTION is always defined now.

* admin/CPP-DEFINES: Remove CLASH_DETECTION.

The class of problems that this was designed to detect, namely .elc
files getting corrupted by being passed around by email via uuencode
or somesuch, has not been a relevant concern for many years.

* lib-src/test-distrib.c, lib-src/testfile: Remove.

* lib-src/Makefile.in (DONT_INSTALL): Remove test-distrib.
(test-distrib${EXEEXT}): Remove rule.

* make-dist: Do not distribute lib-src/testfile.

* admin/quick-install-emacs (AVOID): Remove testfile and test-distrib.

* INSTALL, etc/PROBLEMS, admin/notes/unicode:
Remove references to test-distrib and testfile.

 modified files:
   ChangeLog
   README
   configure.ac
   doc/emacs/emacsver.texi
   doc/man/emacs.1
   msdos/sed2v2.inp
   nt/config.nt
   nt/emacs.rc
   nt/emacsclient.rc
   nt/makefile.w32-in

Fixes: debbugs:16626

This incorporates:
2014-03-04 stdint: fix missing SIZE_MAX on Android
2013-03-02 sys_types: avoid autoconf warning about gl_SYS_TYPES_H
* lib/gnulib.mk, m4/gnulib-comp.m4: Regenerate.
* lib/stdint.in.h, lib/sys_types.in.h, m4/sys_types_h.m4:
Update from gnulib.

Fix oversight preventing lib/sys/types.h from being generated.
* admin/merge-gnulib (GNULIB_TOOL_FLAGS): Don't avoid sys_types.

"Has not been ported to" usually isn't quite correct these days.
Eg it could be an old platform that we dropped support for.

* configure.ac: Fix a bug in shell pattern matching that caused
'configure' to treat Solaris 2.5.1 as if it were Solaris 10 or later.

Fixes: debbugs:16896

2014-02-25 unistd: port readlink to Mac OS X 10.3.9

Fixes: debbugs:16825

2014-02-21 timer: fix uClibc detection of threading
2014-02-21 maintainer-makefiles: provide AC_PROG_SED for older autoconf
* texinfo.tex: Update from gnulib.

Fixes: debbugs:16754

This fixes a bug in the previous change.  Also, use $(SHELL)
rather than sh, as that's more likely to be portable.

Fixes: debbugs:16717

This should make it more reliable, and hopefully more portable to
non-GNU 'make' implementations such as HP-UX 'make'.

Fixes: debbugs:16717

* Makefile.in (install-nt): Also pass datadir.

* nt/Makefile.in (datarootdir, datadir, INSTALL_DATA): Declare.
(install): Copy README.W32 to $(datadir)/emacs/$(version).
(uninstall): Remove README.W32.

This incorporates:

2014-01-23 pthread: work around winpthread header pollution on mingw
* lib/time.in.h: Update from gnulib.

* doc/misc/texinfo.tex: Update from texinfo.

This incorporates:
2014-01-22 qacl: check for fchmod
* m4/acl.m4: Update from gnulib.

* configure.ac (difftime): Remove.
* lib/update-game-score.c (difftime) [!HAVE_DIFFTIME]: Remove.
(read_score) [HAVE_GETDELIM]: Don't access uninitialized storage.
(read_scores, write_scores): Check for fclose failure.
(write_scores): Use fchmod, not chmod, to avoid a race.
(lock_file): Fix test for out-of-date lock file; it was reversed.
Use ordinary subtraction rather than difftime; since we're already
assuming POSIX we don't need to worry about the possibility of
time_t being a magic cookie.

This incorporates:
2014-01-20 stdalign: port to HP-UX compilers
2014-01-16 strtoimax: port to platforms lacking 'long long'
2014-01-16 update from texinfo
* doc/misc/texinfo.tex, lib/stdalign.in.h, lib/strtoimax.c:
Update from gnulib.

 Makefile.in (src): Fix the computation of $vcswitness.

* README: Replace reference to etc/MAILINGLISTS.

* doc/man/emacs.1: Replace reference to etc/MAILINGLISTS.

* doc/misc/efaq.texi (Guidelines for newsgroup postings)
(Informational files for Emacs):
Remove references to etc/MAILINGLISTS, etc/INTERVIEW.

	* COOKIES, copying.paper, INTERVIEW, MAILINGLISTS, MOTIVATION,
	publicsuffix.txt SERVICE: More deletions suggested by RMS.

	* etc/celibacy.1, etc/sex.6, etc/condom.1, etc/echo.msg:
	Deleted at RMS's suggestion. Not lost to posterity as they are
	part of the widely distributed funny-manpages collection.

	* lisp/play/meese.el: It's 2014 and Ed Meese is justly forgotten. Goes
	with removal of the joke manpages from /etc.

 configure.ac: Read $srcdir/nt/mingw-cfg.site when $MSYSTEM is
 "MINGW64" as well.

 nt/inc/ms-w32.h (pthread_sigmask): Undefine if defined, for MinGW64.

 src/unexw32.c (_start) [__MINGW64__]: Define to __start.

This incorporates:
2014-01-07 update from texinfo
2014-01-06 md5, sha1, sha256, sha512: support older autoconf

Problem and proposed patch reported by Ulrich Mueller;
this patch uses a somewhat-different approach.
* configure.ac (SETFATTR): New variable.
* src/Makefile.in (SETFATTR): New macro.
(temacs$(EXEEXT)): Use it.