autoconf-archive-2016.09.16 released [stable]

[Peter Simons]

A new release of the GNU Autoconf Archive is available for download.

Here are the compressed sources and a GPG detached signature[*]:

  http://ftpmirror.gnu.org/autoconf-archive/autoconf-archive-2016.09.16.tar.xz
  
http://ftpmirror.gnu.org/autoconf-archive/autoconf-archive-2016.09.16.tar.xz.sig

Use a mirror for higher download bandwidth:
  http://www.gnu.org/order/ftp.html

[*] Use a .sig file to verify that the corresponding file (without the
.sig suffix) is intact.  First, be sure to download both the .sig file
and the corresponding tarball.  Then, run a command like this:

  gpg --verify autoconf-archive-2016.09.16.tar.xz.sig

If that command fails because you don't have the required public key,
then run this command to import it:

  gpg --keyserver keys.gnupg.net --recv-keys 99089D72

and rerun the 'gpg --verify' command.

This release was bootstrapped with the following tools:
  Autoconf 2.69
  Automake 1.15
  Gnulib v0.1-788-g190bc0f

NEWS

* Noteworthy changes in release 2016.09.16 (2016-09-16) [stable]

  The following macros were added: AX_BUILD_DATE_EPOCH, AX_CHECK_X86_FEATURES,
  AX_GCC_X86_CPU_SUPPORTS, AX_OPEN62541_CHECK_H, AX_OPEN62541_CHECK_LIB, and
  AX_LUAROCKS_ROCK.

  While updating AX_CODE_COVERAGE, the variable CODE_COVERAGE_LDFLAGS was
  renamed to CODE_COVERAGE_LIBS.

  AX_VALGRIND_CHECK has been extended considerably. In this process. the
  undocumented internal rule check-valgrind-tool was removed.

  It checks if the host cpu supports various instruction set: mmx, sse, popcnt,
  avx, avx2, etc. If the instruction were supported, it would export
  HAVE_XXX_INSTRUCTIONS C preprocessor macros and add the instruction set flag 
to
  X86_FEATURES_CFLAGS variable. By default it would also set CFLAGS, but this 
can
  be disabled by the ACTION-IF-FOUND hook.

  AX_WITH_CURSES and AX_WITH_CURSES_* macros have been modernized, in line
  with PKG_CHECK_MODULES's style. This change breaks the interface, but
  makes AX_WITH_CURSES compatible and even completely replaceable with the
  interface of PKG_CHECK_MODULES. Ultimately, these macros should be
  replaced in the future by calls to PKG_CHECK_MODULES. Variables in
  AX_WITH_CURSES have been renamed

    CURSES_LIB -> CURSES_LIBS
    CURSES_CPPFLAGS -> CURSES_CFLAGS

  and for the AX_WITH_CURSES_* macros

    PANEL_LIB -> PANEL_LIBS
    MENU_LIB -> MENU_LIBS
    FORM_LIB -> FORM_LIBS

  such that once the variables have been renamed in configure.ac and 
Makefile.am,
  the calls AX_WITH_CURSES and PKG_CHECK_MODULES([CURSES], [ncurses]) are
  completely interchangeable.

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