Update autoconf archive macros from upstream.

aclocal/ax_boost_base.m4

@@ -33,7 +33,7 @@
 #   and this notice are preserved. This file is offered as-is, without any
 #   warranty.
 
-#serial 22
+#serial 26
 
 AC_DEFUN([AX_BOOST_BASE],
 [
@@ -92,8 +92,11 @@ if test "x$want_boost" = "xyes"; then
     libsubdirs="lib"
     ax_arch=`uname -m`
     case $ax_arch in
-      x86_64|ppc64|s390x|sparc64|aarch64)
-        libsubdirs="lib64 lib lib64"
+      x86_64)
+        libsubdirs="lib64 libx32 lib lib64"
+        ;;
+      ppc64|s390x|sparc64|aarch64|ppc64le)
+        libsubdirs="lib64 lib lib64 ppc64le"
         ;;
     esac
 
@@ -103,6 +106,12 @@ if test "x$want_boost" = "xyes"; then
     AC_REQUIRE([AC_CANONICAL_HOST])
     libsubdirs="lib/${host_cpu}-${host_os} $libsubdirs"
 
+    case ${host_cpu} in
+      i?86)
+        libsubdirs="lib/i386-${host_os} $libsubdirs"
+        ;;
+    esac
+
     dnl first we check the system location for boost libraries
     dnl this location ist chosen if boost libraries are installed with the --layout=system option
     dnl or if you install boost with RPM
@@ -164,6 +173,10 @@ if test "x$want_boost" = "xyes"; then
     dnl if we found no boost with system layout we search for boost libraries
     dnl built and installed without the --layout=system option or for a staged(not installed) version
     if test "x$succeeded" != "xyes"; then
+        CPPFLAGS="$CPPFLAGS_SAVED"
+        LDFLAGS="$LDFLAGS_SAVED"
+        BOOST_CPPFLAGS=
+        BOOST_LDFLAGS=
         _version=0
         if test "$ac_boost_path" != ""; then
             if test -d "$ac_boost_path" && test -r "$ac_boost_path"; then
@@ -176,6 +189,12 @@ if test "x$want_boost" = "xyes"; then
                     VERSION_UNDERSCORE=`echo $_version | sed 's/\./_/'`
                     BOOST_CPPFLAGS="-I$ac_boost_path/include/boost-$VERSION_UNDERSCORE"
                 done
+                dnl if nothing found search for layout used in Windows distributions
+                if test -z "$BOOST_CPPFLAGS"; then
+                    if test -d "$ac_boost_path/boost" && test -r "$ac_boost_path/boost"; then
+                        BOOST_CPPFLAGS="-I$ac_boost_path"
+                    fi
+                fi
             fi
         else
             if test "$cross_compiling" != yes; then

aclocal/ax_boost_iostreams.m4

@@ -75,6 +75,7 @@ AC_DEFUN([AX_BOOST_IOSTREAMS],
                              ax_cv_boost_iostreams=yes, ax_cv_boost_iostreams=no)
          AC_LANG_POP([C++])
 		])
+		ax_lib=""
 		if test "x$ax_cv_boost_iostreams" = "xyes"; then
 			AC_DEFINE(HAVE_BOOST_IOSTREAMS,,[define if the Boost::IOStreams library is available])
             BOOSTLIBDIR=`echo $BOOST_LDFLAGS | sed -e 's/@<:@^\/@:>@*//'`

aclocal/ax_boost_program_options.m4

@@ -29,7 +29,7 @@
 #   and this notice are preserved. This file is offered as-is, without any
 #   warranty.
 
-#serial 22
+#serial 24
 
 AC_DEFUN([AX_BOOST_PROGRAM_OPTIONS],
 [
@@ -63,9 +63,9 @@ AC_DEFUN([AX_BOOST_PROGRAM_OPTIONS],
 		AC_CACHE_CHECK([whether the Boost::Program_Options library is available],
 					   ax_cv_boost_program_options,
 					   [AC_LANG_PUSH(C++)
-				AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@include <boost/program_options.hpp>
+				AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@include <boost/program_options/errors.hpp>
                                                           ]],
-                                  [[boost::program_options::options_description generic("Generic options");
+                                  [[boost::program_options::error err("Error message");
                                    return 0;]])],
                            ax_cv_boost_program_options=yes, ax_cv_boost_program_options=no)
 					AC_LANG_POP([C++])

aclocal/ax_boost_system.m4

@@ -31,7 +31,7 @@
 #   and this notice are preserved. This file is offered as-is, without any
 #   warranty.
 
-#serial 17
+#serial 18
 
 AC_DEFUN([AX_BOOST_SYSTEM],
 [
@@ -68,9 +68,10 @@ AC_DEFUN([AX_BOOST_SYSTEM],
 					   ax_cv_boost_system,
         [AC_LANG_PUSH([C++])
 			 CXXFLAGS_SAVE=$CXXFLAGS
+			 CXXFLAGS=
 
 			 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@include <boost/system/error_code.hpp>]],
-                                   [[boost::system::system_category]])],
+				    [[boost::system::error_category *a = 0;]])],
                    ax_cv_boost_system=yes, ax_cv_boost_system=no)
 			 CXXFLAGS=$CXXFLAGS_SAVE
              AC_LANG_POP([C++])

aclocal/ax_boost_thread.m4

@@ -82,6 +82,7 @@ AC_DEFUN([AX_BOOST_THREAD],
 			 CXXFLAGS=$CXXFLAGS_SAVE
              AC_LANG_POP([C++])
 		])
+		ax_lib=""
 		if test "x$ax_cv_boost_thread" = "xyes"; then
            if test "x$host_os" = "xsolaris" ; then
 			  BOOST_CPPFLAGS="-pthreads $BOOST_CPPFLAGS"