--- a/aclocal.m4	Fri Sep 26 17:05:23 2008 +0200
+++ b/aclocal.m4	Fri Sep 26 20:56:23 2008 +0200
@@ -859,31 +859,6 @@
 Usually this means the macro was only invoked conditionally.])
 fi])])
 
-# isc-posix.m4 serial 2 (gettext-0.11.2)
-dnl Copyright (C) 1995-2002 Free Software Foundation, Inc.
-dnl This file is free software; the Free Software Foundation
-dnl gives unlimited permission to copy and/or distribute it,
-dnl with or without modifications, as long as this notice is preserved.
-
-# This file is not needed with autoconf-2.53 and newer.  Remove it in 2005.
-
-# This test replaces the one in autoconf.
-# Currently this macro should have the same name as the autoconf macro
-# because gettext's gettext.m4 (distributed in the automake package)
-# still uses it.  Otherwise, the use in gettext.m4 makes autoheader
-# give these diagnostics:
-#   configure.in:556: AC_TRY_COMPILE was called before AC_ISC_POSIX
-#   configure.in:556: AC_TRY_RUN was called before AC_ISC_POSIX
-
-undefine([AC_ISC_POSIX])
-
-AC_DEFUN([AC_ISC_POSIX],
-  [
-    dnl This test replaces the obsolescent AC_ISC_POSIX kludge.
-    AC_CHECK_LIB(cposix, strerror, [LIBS="$LIBS -lcposix"])
-  ]
-)
-
 # pkg.m4 - Macros to locate and utilise pkg-config.            -*- Autoconf -*-
 # 
 # Copyright © 2004 Scott James Remnant <scott@netsplit.com>.
@@ -917,7 +892,7 @@
 	AC_PATH_TOOL([PKG_CONFIG], [pkg-config])
 fi
 if test -n "$PKG_CONFIG"; then
-	_pkg_min_version=m4_ifval([$1], [$1], [0.9.0])
+	_pkg_min_version=m4_default([$1], [0.9.0])
 	AC_MSG_CHECKING([pkg-config is at least version $_pkg_min_version])
 	if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then
 		AC_MSG_RESULT([yes])
@@ -953,14 +928,30 @@
 # ---------------------------------------------
 m4_define([_PKG_CONFIG],
 [if test -n "$PKG_CONFIG"; then
+    if test -n "$$1"; then
+        pkg_cv_[]$1="$$1"
+    else
         PKG_CHECK_EXISTS([$3],
                          [pkg_cv_[]$1=`$PKG_CONFIG --[]$2 "$3" 2>/dev/null`],
 			 [pkg_failed=yes])
+    fi
 else
 	pkg_failed=untried
 fi[]dnl
 ])# _PKG_CONFIG
 
+# _PKG_SHORT_ERRORS_SUPPORTED
+# -----------------------------
+AC_DEFUN([_PKG_SHORT_ERRORS_SUPPORTED],
+[AC_REQUIRE([PKG_PROG_PKG_CONFIG])
+if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
+        _pkg_short_errors_supported=yes
+else
+        _pkg_short_errors_supported=no
+fi[]dnl
+])# _PKG_SHORT_ERRORS_SUPPORTED
+
+
 # PKG_CHECK_MODULES(VARIABLE-PREFIX, MODULES, [ACTION-IF-FOUND],
 # [ACTION-IF-NOT-FOUND])
 #
@@ -982,31 +973,41 @@
 _PKG_CONFIG([$1][_CFLAGS], [cflags], [$2])
 _PKG_CONFIG([$1][_LIBS], [libs], [$2])
 
+m4_define([_PKG_TEXT], [Alternatively, you may set the environment variables $1[]_CFLAGS
+and $1[]_LIBS to avoid the need to call pkg-config.
+See the pkg-config man page for more details.])
+
 if test $pkg_failed = yes; then
-	$1[]_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
+        _PKG_SHORT_ERRORS_SUPPORTED
+        if test $_pkg_short_errors_supported = yes; then
+	        $1[]_PKG_ERRORS=`$PKG_CONFIG --short-errors --errors-to-stdout --print-errors "$2"`
+        else 
+	        $1[]_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
+        fi
 	# Put the nasty error message in config.log where it belongs
-	echo "$$1[]_PKG_ERRORS" 1>&AS_MESSAGE_LOG_FD
+	echo "$$1[]_PKG_ERRORS" >&AS_MESSAGE_LOG_FD
 
 	ifelse([$4], , [AC_MSG_ERROR(dnl
-[Package requirements ($2) were not met.
+[Package requirements ($2) were not met:
+
+$$1_PKG_ERRORS
+
 Consider adjusting the PKG_CONFIG_PATH environment variable if you
 installed software in a non-standard prefix.
 
-Alternatively you may set the $1_CFLAGS and $1_LIBS environment variables
-to avoid the need to call pkg-config.  See the pkg-config man page for
-more details.])],
-		[$4])
+_PKG_TEXT
+])],
+		[AC_MSG_RESULT([no])
+                $4])
 elif test $pkg_failed = untried; then
 	ifelse([$4], , [AC_MSG_FAILURE(dnl
 [The pkg-config script could not be found or is too old.  Make sure it
 is in your PATH or set the PKG_CONFIG environment variable to the full
 path to pkg-config.
 
-Alternatively you may set the $1_CFLAGS and $1_LIBS environment variables
-to avoid the need to call pkg-config.  See the pkg-config man page for
-more details.
+_PKG_TEXT
 
-To get pkg-config, see <http://www.freedesktop.org/software/pkgconfig>.])],
+To get pkg-config, see <http://pkg-config.freedesktop.org/>.])],
 		[$4])
 else
 	$1[]_CFLAGS=$pkg_cv_[]$1[]_CFLAGS