GNU autoconf-2.66 released [stable]

[Eric Blake]

The GNU Autoconf team is pleased to announce the stable release of
Autoconf 2.66.  Autoconf is an extensible package of M4 macros that
produce shell scripts to automatically configure software source code
packages.  These scripts can adapt the packages to many kinds of
UNIX-like systems without manual user intervention.  Autoconf creates a
configuration script for a package from a template file that lists the
operating system features that the package can use, in the form of M4
macro calls.

This release fixes a few regressions introduced in recent releases, and
is primarily focused on bug fixes.  It also includes a few new features,
documented below.

Here are the compressed sources:
  http://ftpmirror.gnu.org/autoconf/autoconf-2.66.tar.gz   (1.8MB)
  http://ftpmirror.gnu.org/autoconf/autoconf-2.66.tar.bz2   (1.4MB)
  http://ftpmirror.gnu.org/autoconf/autoconf-2.66.tar.xz   (1.2MB)

Here are the GPG detached signatures[*]:
  http://ftpmirror.gnu.org/autoconf/autoconf-2.66.tar.gz.sig
  http://ftpmirror.gnu.org/autoconf/autoconf-2.66.tar.bz2.sig
  http://ftpmirror.gnu.org/autoconf/autoconf-2.66.tar.xz.sig

To reduce load on the main server, use a mirror listed at:
  http://www.gnu.org/order/ftp.html

[*] You can use either of the above signature files 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-2.66.tar.gz.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 2527436A

and rerun the `gpg --verify' command.

This release was bootstrapped with the following tools:
  Automake 1.11.1

./NEWS

* Major changes in Autoconf 2.66 (2010-07-02) [stable]
  Released by Eric Blake, based on git versions 2.65.*.

** AC_FUNC_MMAP works in C++ mode again.  Regression introduced in 2.65.

** Use of m4_divert without a named diversion now issues a syntax warning,
   since it is seldom right to change diversions behind autoconf's back.

** The macros AC_TYPE_INT8_T, AC_TYPE_INT16_T, AC_TYPE_INT32_T, and
   AC_TYPE_INT64_T work again.  Regression introduced in 2.65.

** AC_PROG_INSTALL correctly uses `shtool' again.  Regression introduced
   in 2.64.

** Autoconf should work on EBCDIC hosts.

** AC_CHECK_DECL and AC_CHECK_DECLS accept optional function argument types
   for overloaded C++ functions.

** AS_SET_CATFILE accepts nonliterals in its variable name argument now.

** Autotest testsuites accept an option --recheck to rerun tests that
   failed or passed unexpectedly during the last non-debug testsuite run.

** AC_ARG_ENABLE and AC_ARG_WITH now also accept `+' signs in `--enable-*'
   and `--with-*' arguments, converting them to underscores for the variable
   names.

** In configure scripts, loading CONFIG_SITE no longer searches PATH,
   and problems in loading the configuration site files are diagnosed.

** Autotest testsuites may optionally provide colored test results.

** The previously undocumented Autotest macros AT_ARG_OPTION and
   AT_ARG_OPTION_ARG have seen bug fixes and are documented now.
   AT_ARG_OPTION has been changed in that the negative of a long option
   --OPTION is now --no-OPTION rather than --noOPTION.

** The macro AS_LITERAL_IF is slightly more conservative; text
   containing shell quotes are no longer treated as literals.
   Furthermore, a new macro, AS_LITERAL_WORD_IF, adds an additional
   level of checking that no whitespace occurs in literals.

** The macros AS_TR_SH and AS_TR_CPP no longer expand their results.

** The following macros are now documented:
   AS_BOX

** New macro AC_FC_FIXEDFORM to accept fixed-form Fortran.

-- 
Eric Blake, on behalf of
The GNU Autoconf team

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