autoconf-archive-2011.12.21 released [stable]

[Peter Simons]

A new version of GNU Autoconf Archive is available for download.

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This release was bootstrapped with the following tools:
  Autoconf 2.68
  Automake 1.11.1
  Gnulib v0.0-6713-g767ccd4

NEWS

* Noteworthy changes in release 2011.12.21 (2011-12-21) [stable]

  Error reporting in AX_BERKELEY_DB_CXX has been improved in the case the macro
  is called without LANG=C++. See <http://savannah.gnu.org/patch/?7674> for
  further details.

  Solaris support in AX_PTHREAD has been improved. Further details are
  available at <http://savannah.gnu.org/patch/?7666>.

  Under-quoted use of $CPPFLAGS has been fixed in AX_BOOST_PYTHON. See
  <http://savannah.gnu.org/patch/?7673> for further details.

  The list of headers required by C++11 (the standard formerly known as C++0x)
  has been updated in AX_CXX_HEADER_STDCXX_0X. Further details are available at
  <http://savannah.gnu.org/patch/index.php?7664>.

  A bug in AX_WITH_CURSES has been fixed that prevented CURSES_LIB from being
  used. See <http://savannah.gnu.org/patch/index.php?7651> for further details.

  The compiler tests in AX_EXT have been fixed, and support for detection of
  SSE4.1, SSE4.2, AVX extensions has been added. See
  <http://savannah.gnu.org/patch/?7633> for further details.

  The new macro AX_LIB_GDAL has been added which tests the availability of the
  GDAL/OGR library. Further details are available at
  <http://savannah.gnu.org/patch/?7639>.

  Fixed Darwin support in AX_ENABLE_BUILDDIR. Further details are available at
  <http://savannah.gnu.org/patch/?7619>.

  The obsolete macros AX_C_CHECK_FLAG, AX_CFLAGS_GCC_OPTION,
  AX_CHECK_COMPILER_FLAGS, AX_CHECK_GL, AX_CHECK_GLU, AX_CHECK_GLUT,
  AX_CHECK_LINKER_FLAGS, AX_CHECK_SUNPRO_C, AX_CPP_CHECK_FLAG,
  AX_CXX_CHECK_FLAG, AX_CXXCPP_CHECK_FLAG, AX_DEFINE_DIR, AX_FUNC_FORK,
  AX_GCC_INSTALL_DIR, AX_GXX_VERSION, AX_LANG_COMPILER_MS, AX_LD_CHECK_FLAG,
  and AX_SNPRINTF_OFLOW have been dropped from the distribution.

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