diff --git a/Makefile.in b/Makefile.in
index a4f1869..26c9da3 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -1,8 +1,8 @@
-# Makefile.in generated by automake 1.10 from Makefile.am.
+# Makefile.in generated by automake 1.10.2 from Makefile.am.
 # @configure_input@
 
 # Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
-# 2003, 2004, 2005, 2006  Free Software Foundation, Inc.
+# 2003, 2004, 2005, 2006, 2007, 2008  Free Software Foundation, Inc.
 # This Makefile.in is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
@@ -334,8 +334,8 @@ ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
 	unique=`for i in $$list; do \
 	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
 	  done | \
-	  $(AWK) '    { files[$$0] = 1; } \
-	       END { for (i in files) print i; }'`; \
+	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+	      END { if (nonempty) { for (i in files) print i; }; }'`; \
 	mkid -fID $$unique
 tags: TAGS
 
@@ -360,8 +360,8 @@ TAGS: tags-recursive $(HEADERS) $(SOURCES) config.h.in $(TAGS_DEPENDENCIES) \
 	unique=`for i in $$list; do \
 	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
 	  done | \
-	  $(AWK) '    { files[$$0] = 1; } \
-	       END { for (i in files) print i; }'`; \
+	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+	      END { if (nonempty) { for (i in files) print i; }; }'`; \
 	if test -z "$(ETAGS_ARGS)$$tags$$unique"; then :; else \
 	  test -n "$$unique" || unique=$$empty_fix; \
 	  $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
@@ -371,13 +371,12 @@ ctags: CTAGS
 CTAGS: ctags-recursive $(HEADERS) $(SOURCES) config.h.in $(TAGS_DEPENDENCIES) \
 		$(TAGS_FILES) $(LISP)
 	tags=; \
-	here=`pwd`; \
 	list='$(SOURCES) $(HEADERS) config.h.in $(LISP) $(TAGS_FILES)'; \
 	unique=`for i in $$list; do \
 	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
 	  done | \
-	  $(AWK) '    { files[$$0] = 1; } \
-	       END { for (i in files) print i; }'`; \
+	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+	      END { if (nonempty) { for (i in files) print i; }; }'`; \
 	test -z "$(CTAGS_ARGS)$$tags$$unique" \
 	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
 	     $$tags $$unique
@@ -448,6 +447,10 @@ dist-bzip2: distdir
 	tardir=$(distdir) && $(am__tar) | bzip2 -9 -c >$(distdir).tar.bz2
 	$(am__remove_distdir)
 
+dist-lzma: distdir
+	tardir=$(distdir) && $(am__tar) | lzma -9 -c >$(distdir).tar.lzma
+	$(am__remove_distdir)
+
 dist-tarZ: distdir
 	tardir=$(distdir) && $(am__tar) | compress -c >$(distdir).tar.Z
 	$(am__remove_distdir)
@@ -474,6 +477,8 @@ distcheck: dist
 	  GZIP=$(GZIP_ENV) gunzip -c $(distdir).tar.gz | $(am__untar) ;;\
 	*.tar.bz2*) \
 	  bunzip2 -c $(distdir).tar.bz2 | $(am__untar) ;;\
+	*.tar.lzma*) \
+	  unlzma -c $(distdir).tar.lzma | $(am__untar) ;;\
 	*.tar.Z*) \
 	  uncompress -c $(distdir).tar.Z | $(am__untar) ;;\
 	*.shar.gz*) \
@@ -627,7 +632,7 @@ uninstall-am: uninstall-dist_docDATA
 .PHONY: $(RECURSIVE_CLEAN_TARGETS) $(RECURSIVE_TARGETS) CTAGS GTAGS \
 	all all-am am--refresh check check-am clean clean-generic \
 	ctags ctags-recursive dist dist-all dist-bzip2 dist-gzip \
-	dist-shar dist-tarZ dist-zip distcheck distclean \
+	dist-lzma dist-shar dist-tarZ dist-zip distcheck distclean \
 	distclean-generic distclean-hdr distclean-tags distcleancheck \
 	distdir distuninstallcheck dvi dvi-am html html-am info \
 	info-am install install-am install-data install-data-am \
diff --git a/aclocal.m4 b/aclocal.m4
index ef5d1a9..b253f86 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -1,7 +1,7 @@
-# generated automatically by aclocal 1.10 -*- Autoconf -*-
+# generated automatically by aclocal 1.10.2 -*- Autoconf -*-
 
 # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
-# 2005, 2006  Free Software Foundation, Inc.
+# 2005, 2006, 2007, 2008  Free Software Foundation, Inc.
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
@@ -11,12 +11,15 @@
 # even the implied warranty of MERCHANTABILITY or FITNESS FOR A
 # PARTICULAR PURPOSE.
 
-m4_if(m4_PACKAGE_VERSION, [2.63],,
-[m4_fatal([this file was generated for autoconf 2.63.
-You have another version of autoconf.  If you want to use that,
-you should regenerate the build system entirely.], [63])])
+m4_ifndef([AC_AUTOCONF_VERSION],
+  [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
+m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.63],,
+[m4_warning([this file was generated for autoconf 2.63.
+You have another version of autoconf.  It may work, but is not guaranteed to.
+If you have problems, you may need to regenerate the build system entirely.
+To do so, use the procedure documented by the package, typically `autoreconf'.])])
 
-# Copyright (C) 2002, 2003, 2005, 2006  Free Software Foundation, Inc.
+# Copyright (C) 2002, 2003, 2005, 2006, 2007, 2008  Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -31,7 +34,7 @@ AC_DEFUN([AM_AUTOMAKE_VERSION],
 [am__api_version='1.10'
 dnl Some users find AM_AUTOMAKE_VERSION and mistake it for a way to
 dnl require some minimum version.  Point them to the right macro.
-m4_if([$1], [1.10], [],
+m4_if([$1], [1.10.2], [],
       [AC_FATAL([Do not call $0, use AM_INIT_AUTOMAKE([$1]).])])dnl
 ])
 
@@ -45,10 +48,12 @@ m4_define([_AM_AUTOCONF_VERSION], [])
 # AM_SET_CURRENT_AUTOMAKE_VERSION
 # -------------------------------
 # Call AM_AUTOMAKE_VERSION and AM_AUTOMAKE_VERSION so they can be traced.
-# This function is AC_REQUIREd by AC_INIT_AUTOMAKE.
+# This function is AC_REQUIREd by AM_INIT_AUTOMAKE.
 AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION],
-[AM_AUTOMAKE_VERSION([1.10])dnl
-_AM_AUTOCONF_VERSION(m4_PACKAGE_VERSION)])
+[AM_AUTOMAKE_VERSION([1.10.2])dnl
+m4_ifndef([AC_AUTOCONF_VERSION],
+  [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
+_AM_AUTOCONF_VERSION(m4_defn([AC_AUTOCONF_VERSION]))])
 
 # Figure out how to run the assembler.                      -*- Autoconf -*-
 
@@ -320,19 +325,28 @@ _AM_SUBST_NOTMAKE([AMDEPBACKSLASH])dnl
 
 # Generate code to set up dependency tracking.              -*- Autoconf -*-
 
-# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005
+# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2008
 # Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-#serial 3
+#serial 4
 
 # _AM_OUTPUT_DEPENDENCY_COMMANDS
 # ------------------------------
 AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
-[for mf in $CONFIG_FILES; do
+[# Autoconf 2.62 quotes --file arguments for eval, but not when files
+# are listed without --file.  Let's play safe and only enable the eval
+# if we detect the quoting.
+case $CONFIG_FILES in
+*\'*) eval set x "$CONFIG_FILES" ;;
+*)   set x $CONFIG_FILES ;;
+esac
+shift
+for mf
+do
   # Strip MF so we end up with the name of the file.
   mf=`echo "$mf" | sed -e 's/:.*$//'`
   # Check whether this is an Automake generated Makefile or not.
@@ -342,7 +356,7 @@ AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
   # each Makefile.in and add a new line on top of each file to say so.
   # Grep'ing the whole file is not good either: AIX grep has a line
   # limit of 2048, but all sed's we know have understand at least 4000.
-  if sed 10q "$mf" | grep '^#.*generated by automake' > /dev/null 2>&1; then
+  if sed -n 's,^#.*generated by automake.*,X,p' "$mf" | grep X >/dev/null 2>&1; then
     dirpart=`AS_DIRNAME("$mf")`
   else
     continue
@@ -390,13 +404,13 @@ AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS],
 # Do all the work for Automake.                             -*- Autoconf -*-
 
 # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
-# 2005, 2006 Free Software Foundation, Inc.
+# 2005, 2006, 2008 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 12
+# serial 13
 
 # This macro actually does too much.  Some checks are only needed if
 # your package does certain things.  But this isn't really a big deal.
@@ -501,16 +515,17 @@ AC_PROVIDE_IFELSE([AC_PROG_OBJC],
 # our stamp files there.
 AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK],
 [# Compute $1's index in $config_headers.
+_am_arg=$1
 _am_stamp_count=1
 for _am_header in $config_headers :; do
   case $_am_header in
-    $1 | $1:* )
+    $_am_arg | $_am_arg:* )
       break ;;
     * )
       _am_stamp_count=`expr $_am_stamp_count + 1` ;;
   esac
 done
-echo "timestamp for $1" >`AS_DIRNAME([$1])`/stamp-h[]$_am_stamp_count])
+echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
 
 # Copyright (C) 2001, 2003, 2005  Free Software Foundation, Inc.
 #
@@ -599,14 +614,14 @@ AC_MSG_RESULT([$_am_result])
 rm -f confinc confmf
 ])
 
-# Copyright (C) 1999, 2000, 2001, 2003, 2004, 2005
+# Copyright (C) 1999, 2000, 2001, 2003, 2004, 2005, 2008
 # Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 5
+# serial 6
 
 # AM_PROG_CC_C_O
 # --------------
@@ -618,8 +633,9 @@ AC_REQUIRE_AUX_FILE([compile])dnl
 # FIXME: we rely on the cache variable name because
 # there is no other way.
 set dummy $CC
-ac_cc=`echo $[2] | sed ['s/[^a-zA-Z0-9_]/_/g;s/^[0-9]/_/']`
-if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" != yes"; then
+am_cc=`echo $[2] | sed ['s/[^a-zA-Z0-9_]/_/g;s/^[0-9]/_/']`
+eval am_t=\$ac_cv_prog_cc_${am_cc}_c_o
+if test "$am_t" != yes; then
    # Losing compiler, so override with the script.
    # FIXME: It is wrong to rewrite CC.
    # But if we don't then we get into trouble of one sort or another.
@@ -697,13 +713,13 @@ esac
 
 # Helper functions for option handling.                     -*- Autoconf -*-
 
-# Copyright (C) 2001, 2002, 2003, 2005  Free Software Foundation, Inc.
+# Copyright (C) 2001, 2002, 2003, 2005, 2008  Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 3
+# serial 4
 
 # _AM_MANGLE_OPTION(NAME)
 # -----------------------
@@ -720,7 +736,7 @@ AC_DEFUN([_AM_SET_OPTION],
 # ----------------------------------
 # OPTIONS is a space-separated list of Automake options.
 AC_DEFUN([_AM_SET_OPTIONS],
-[AC_FOREACH([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
+[m4_foreach_w([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
 
 # _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
 # -------------------------------------------
@@ -816,7 +832,7 @@ AC_SUBST([INSTALL_STRIP_PROGRAM])])
 
 # _AM_SUBST_NOTMAKE(VARIABLE)
 # ---------------------------
-# Prevent Automake from outputing VARIABLE = @VARIABLE@ in Makefile.in.
+# Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
 # This macro is traced by Automake.
 AC_DEFUN([_AM_SUBST_NOTMAKE])
 
diff --git a/benchmarks/Makefile.in b/benchmarks/Makefile.in
index 4d102ce..e7d768b 100644
--- a/benchmarks/Makefile.in
+++ b/benchmarks/Makefile.in
@@ -1,8 +1,8 @@
-# Makefile.in generated by automake 1.10 from Makefile.am.
+# Makefile.in generated by automake 1.10.2 from Makefile.am.
 # @configure_input@
 
 # Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
-# 2003, 2004, 2005, 2006  Free Software Foundation, Inc.
+# 2003, 2004, 2005, 2006, 2007, 2008  Free Software Foundation, Inc.
 # This Makefile.in is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
@@ -219,14 +219,14 @@ $(srcdir)/Makefile.in:  $(srcdir)/Makefile.am  $(am__configure_deps)
 	@for dep in $?; do \
 	  case '$(am__configure_deps)' in \
 	    *$$dep*) \
-	      cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh \
-		&& exit 0; \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
 	      exit 1;; \
 	  esac; \
 	done; \
-	echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu  benchmarks/Makefile'; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign  benchmarks/Makefile'; \
 	cd $(top_srcdir) && \
-	  $(AUTOMAKE) --gnu  benchmarks/Makefile
+	  $(AUTOMAKE) --foreign  benchmarks/Makefile
 .PRECIOUS: Makefile
 Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
 	@case '$?' in \
diff --git a/configure b/configure
index f964ed1..d7e3650 100755
--- a/configure
+++ b/configure
@@ -4599,8 +4599,9 @@ fi
 # FIXME: we rely on the cache variable name because
 # there is no other way.
 set dummy $CC
-ac_cc=`echo $2 | sed 's/[^a-zA-Z0-9_]/_/g;s/^[0-9]/_/'`
-if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" != yes"; then
+am_cc=`echo $2 | sed 's/[^a-zA-Z0-9_]/_/g;s/^[0-9]/_/'`
+eval am_t=\$ac_cv_prog_cc_${am_cc}_c_o
+if test "$am_t" != yes; then
    # Losing compiler, so override with the script.
    # FIXME: It is wrong to rewrite CC.
    # But if we don't then we get into trouble of one sort or another.
@@ -11548,21 +11549,22 @@ $as_echo "$as_me: error: could not create -" >&2;}
    { (exit 1); exit 1; }; }
   fi
 # Compute "$ac_file"'s index in $config_headers.
+_am_arg="$ac_file"
 _am_stamp_count=1
 for _am_header in $config_headers :; do
   case $_am_header in
-    "$ac_file" | "$ac_file":* )
+    $_am_arg | $_am_arg:* )
       break ;;
     * )
       _am_stamp_count=`expr $_am_stamp_count + 1` ;;
   esac
 done
-echo "timestamp for "$ac_file"" >`$as_dirname -- "$ac_file" ||
-$as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
-	 X"$ac_file" : 'X\(//\)[^/]' \| \
-	 X"$ac_file" : 'X\(//\)$' \| \
-	 X"$ac_file" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X"$ac_file" |
+echo "timestamp for $_am_arg" >`$as_dirname -- "$_am_arg" ||
+$as_expr X"$_am_arg" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$_am_arg" : 'X\(//\)[^/]' \| \
+	 X"$_am_arg" : 'X\(//\)$' \| \
+	 X"$_am_arg" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$_am_arg" |
     sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
 	    s//\1/
 	    q
@@ -11589,7 +11591,16 @@ $as_echo "$as_me: executing $ac_file commands" >&6;}
 
 
   case $ac_file$ac_mode in
-    "depfiles":C) test x"$AMDEP_TRUE" != x"" || for mf in $CONFIG_FILES; do
+    "depfiles":C) test x"$AMDEP_TRUE" != x"" || # Autoconf 2.62 quotes --file arguments for eval, but not when files
+# are listed without --file.  Let's play safe and only enable the eval
+# if we detect the quoting.
+case $CONFIG_FILES in
+*\'*) eval set x "$CONFIG_FILES" ;;
+*)   set x $CONFIG_FILES ;;
+esac
+shift
+for mf
+do
   # Strip MF so we end up with the name of the file.
   mf=`echo "$mf" | sed -e 's/:.*$//'`
   # Check whether this is an Automake generated Makefile or not.
@@ -11599,7 +11610,7 @@ $as_echo "$as_me: executing $ac_file commands" >&6;}
   # each Makefile.in and add a new line on top of each file to say so.
   # Grep'ing the whole file is not good either: AIX grep has a line
   # limit of 2048, but all sed's we know have understand at least 4000.
-  if sed 10q "$mf" | grep '^#.*generated by automake' > /dev/null 2>&1; then
+  if sed -n 's,^#.*generated by automake.*,X,p' "$mf" | grep X >/dev/null 2>&1; then
     dirpart=`$as_dirname -- "$mf" ||
 $as_expr X"$mf" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
 	 X"$mf" : 'X\(//\)[^/]' \| \
diff --git a/doc/Makefile.in b/doc/Makefile.in
index c23cab6..41c0d83 100644
--- a/doc/Makefile.in
+++ b/doc/Makefile.in
@@ -1,8 +1,8 @@
-# Makefile.in generated by automake 1.10 from Makefile.am.
+# Makefile.in generated by automake 1.10.2 from Makefile.am.
 # @configure_input@
 
 # Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
-# 2003, 2004, 2005, 2006  Free Software Foundation, Inc.
+# 2003, 2004, 2005, 2006, 2007, 2008  Free Software Foundation, Inc.
 # This Makefile.in is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
@@ -166,14 +166,14 @@ $(srcdir)/Makefile.in:  $(srcdir)/Makefile.am  $(am__configure_deps)
 	@for dep in $?; do \
 	  case '$(am__configure_deps)' in \
 	    *$$dep*) \
-	      cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh \
-		&& exit 0; \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
 	      exit 1;; \
 	  esac; \
 	done; \
-	echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu  doc/Makefile'; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign  doc/Makefile'; \
 	cd $(top_srcdir) && \
-	  $(AUTOMAKE) --gnu  doc/Makefile
+	  $(AUTOMAKE) --foreign  doc/Makefile
 .PRECIOUS: Makefile
 Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
 	@case '$?' in \
diff --git a/lib/Makefile.in b/lib/Makefile.in
index 892c61c..2343ab0 100644
--- a/lib/Makefile.in
+++ b/lib/Makefile.in
@@ -1,8 +1,8 @@
-# Makefile.in generated by automake 1.10 from Makefile.am.
+# Makefile.in generated by automake 1.10.2 from Makefile.am.
 # @configure_input@
 
 # Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
-# 2003, 2004, 2005, 2006  Free Software Foundation, Inc.
+# 2003, 2004, 2005, 2006, 2007, 2008  Free Software Foundation, Inc.
 # This Makefile.in is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
@@ -176,14 +176,14 @@ $(srcdir)/Makefile.in:  $(srcdir)/Makefile.am  $(am__configure_deps)
 	@for dep in $?; do \
 	  case '$(am__configure_deps)' in \
 	    *$$dep*) \
-	      cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh \
-		&& exit 0; \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
 	      exit 1;; \
 	  esac; \
 	done; \
-	echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu  lib/Makefile'; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign  lib/Makefile'; \
 	cd $(top_srcdir) && \
-	  $(AUTOMAKE) --gnu  lib/Makefile
+	  $(AUTOMAKE) --foreign  lib/Makefile
 .PRECIOUS: Makefile
 Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
 	@case '$?' in \
diff --git a/scheme/Makefile.in b/scheme/Makefile.in
index dd583a9..b28660e 100644
--- a/scheme/Makefile.in
+++ b/scheme/Makefile.in
@@ -1,8 +1,8 @@
-# Makefile.in generated by automake 1.10 from Makefile.am.
+# Makefile.in generated by automake 1.10.2 from Makefile.am.
 # @configure_input@
 
 # Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
-# 2003, 2004, 2005, 2006  Free Software Foundation, Inc.
+# 2003, 2004, 2005, 2006, 2007, 2008  Free Software Foundation, Inc.
 # This Makefile.in is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
@@ -262,14 +262,14 @@ $(srcdir)/Makefile.in:  $(srcdir)/Makefile.am  $(am__configure_deps)
 	@for dep in $?; do \
 	  case '$(am__configure_deps)' in \
 	    *$$dep*) \
-	      cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh \
-		&& exit 0; \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
 	      exit 1;; \
 	  esac; \
 	done; \
-	echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu  scheme/Makefile'; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign  scheme/Makefile'; \
 	cd $(top_srcdir) && \
-	  $(AUTOMAKE) --gnu  scheme/Makefile
+	  $(AUTOMAKE) --foreign  scheme/Makefile
 .PRECIOUS: Makefile
 Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
 	@case '$?' in \
diff --git a/scheme/ikarus.boot.4.prebuilt b/scheme/ikarus.boot.4.prebuilt
index 457db5c..a3fe74f 100644
Binary files a/scheme/ikarus.boot.4.prebuilt and b/scheme/ikarus.boot.4.prebuilt differ
diff --git a/scheme/ikarus.boot.8.prebuilt b/scheme/ikarus.boot.8.prebuilt
index 1bdc918..6af81bd 100644
Binary files a/scheme/ikarus.boot.8.prebuilt and b/scheme/ikarus.boot.8.prebuilt differ
diff --git a/scheme/ikarus.code-objects.ss b/scheme/ikarus.code-objects.ss
index ae2649e..7dfda5f 100644
--- a/scheme/ikarus.code-objects.ss
+++ b/scheme/ikarus.code-objects.ss
@@ -19,6 +19,7 @@
     make-code code-reloc-vector code-freevars
     code-size code-ref code-set! set-code-reloc-vector!
     set-code-annotation! procedure-annotation
+    make-annotation-indirect annotation-indirect?
     code->thunk)
   (import
     (ikarus system $fx)
@@ -96,10 +97,14 @@
         (die 'code->thunk "has free variables" x))
       ($code->closure x)))
 
+  (define-struct annotation-indirect ())
   (define (procedure-annotation x)
     (if (procedure? x) 
-        ($code-annotation ($closure-code x))
+        (let ([ae ($code-annotation ($closure-code x))])
+          (if (annotation-indirect? ae)
+              ($annotated-procedure-annotation x)
+              ae))
         (die 'procedure-annotation "not a procedure" x)))
-
+  
   )
 
diff --git a/scheme/ikarus.compiler.ss b/scheme/ikarus.compiler.ss
index 07e131d..dbc9847 100644
--- a/scheme/ikarus.compiler.ss
+++ b/scheme/ikarus.compiler.ss
@@ -18,6 +18,7 @@
   (export compile-core-expr-to-port 
           assembler-output optimize-cp
           current-primitive-locations eval-core
+          current-core-eval
           compile-core-expr expand/optimize optimizer-output
           cp0-effort-limit cp0-size-limit optimize-level 
           perform-tag-analysis tag-analysis-output)
@@ -35,7 +36,8 @@
         current-primitive-locations eval-core
         cp0-size-limit cp0-effort-limit 
         expand/optimize optimizer-output
-        tag-analysis-output perform-tag-analysis)
+        tag-analysis-output perform-tag-analysis
+        current-core-eval)
     (ikarus.fasl.write)
     (ikarus.intel-assembler))
 
@@ -2122,6 +2124,7 @@
 
 (module ;assembly-labels
   (refresh-cached-labels!
+   sl-annotated-procedure-label
    sl-apply-label 
    sl-continuation-code-label 
    sl-invalid-args-label
@@ -2149,6 +2152,17 @@
                                  (lambda () label))] ...)
                    (void)))))])))
   (define-cached refresh-cached-labels!
+   [(sl-annotated-procedure-label)
+    (import (ikarus.code-objects))
+    (define SL_annotated (gensym "SL_annotated"))
+    (assemble-sources (lambda (x) #f)
+      (list
+        (list 2 
+          `(name ,(make-annotation-indirect))
+          (label SL_annotated)
+          (movl (mem (fx- (fx+ disp-closure-data wordsize) closure-tag) cpr) cpr)
+          (tail-indirect-cpr-call))))
+    SL_annotated]
    [(sl-apply-label)
     (let ([SL_apply (gensym "SL_apply")]
           [L_apply_done (gensym)]
@@ -2406,9 +2420,17 @@
 
 (define assembler-output (make-parameter #f))
 
+(define current-core-eval
+  (make-parameter
+    (lambda (x) ((compile-core-expr x)))
+    (lambda (x)
+      (if (procedure? x)
+          x
+          (die 'current-core-eval "not a procedure" x)))))
 
 (define eval-core
-  (lambda (x) ((compile-core-expr x))))
+  (lambda (x) 
+    ((current-core-eval) x)))
 
 (include-src "ikarus.compiler.altcogen.ss")
 
diff --git a/scheme/ikarus.singular-objects.ss b/scheme/ikarus.singular-objects.ss
index 0c63fb1..4d05875 100644
--- a/scheme/ikarus.singular-objects.ss
+++ b/scheme/ikarus.singular-objects.ss
@@ -14,7 +14,7 @@
 ;;; along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 
-(library (ikarus singular-objects)
+(library (ikarus.singular-objects)
   (export base-rtd eof-object void fixnum-width least-fixnum
           greatest-fixnum)
   (import 
diff --git a/scheme/ikarus.writer.ss b/scheme/ikarus.writer.ss
index 5a6ab5d..20fa5c3 100644
--- a/scheme/ikarus.writer.ss
+++ b/scheme/ikarus.writer.ss
@@ -561,10 +561,8 @@
                   (let ([ae (procedure-annotation x)])
                     (if (pair? ae)
                         (values (car ae) (cdr ae))
-                        (if (symbol? ae)
-                            (values ae #f)
-                            (values #f #f))))])
-      (when (symbol? name)
+                        (values ae #f)))])
+      (when name
         (write-char* " " p)
         (display name p))
       (when (pair? src)
diff --git a/scheme/last-revision b/scheme/last-revision
index 65b78cf..0d0de0d 100644
--- a/scheme/last-revision
+++ b/scheme/last-revision
@@ -1 +1 @@
-1770
+1771
diff --git a/scheme/makefile.ss b/scheme/makefile.ss
index 1726309..66b216a 100755
--- a/scheme/makefile.ss
+++ b/scheme/makefile.ss
@@ -17,6 +17,7 @@
 ;;; vim:syntax=scheme
 (import (only (ikarus) import))
 (import (except (ikarus) 
+          current-core-eval
           assembler-output optimize-cp optimize-level
           cp0-size-limit cp0-effort-limit expand/optimize
           optimizer-output tag-analysis-output perform-tag-analysis))
@@ -550,6 +551,8 @@
     [$code-set!                                  $codes]
     [$set-code-annotation!                       $codes]
     [procedure-annotation                        i]
+    [$make-annotated-procedure                   $codes]
+    [$annotated-procedure-annotation             $codes]
     [$make-tcbucket                              $tcbuckets]
     [$tcbucket-key                               $tcbuckets]
     [$tcbucket-val                               $tcbuckets]
@@ -1372,6 +1375,7 @@
     [system-value                                i]
     [set-symbol-value!                           i symbols $boot]
     [eval-core                                   $boot]
+    [current-core-eval                           i] ;;; temp
     [pretty-print                                i $boot]
     [pretty-format                               i]
     [pretty-width                                i]
diff --git a/scheme/pass-specify-rep-primops.ss b/scheme/pass-specify-rep-primops.ss
index f498098..55cf25c 100644
--- a/scheme/pass-specify-rep-primops.ss
+++ b/scheme/pass-specify-rep-primops.ss
@@ -2419,6 +2419,26 @@
   [(P) (interrupt)]
   [(E) (interrupt)])
 
+(define-primop $make-annotated-procedure unsafe
+  [(V annotation proc) 
+   (let ([off (- disp-closure-code closure-tag)])
+     (with-tmp ([t (prm 'alloc 
+                      (K (align (+ disp-closure-data (* 2 wordsize))))
+                      (K closure-tag))])
+       (prm 'mset t (K (- disp-closure-code closure-tag))
+            (K (make-code-loc (sl-annotated-procedure-label))))
+       (prm 'mset t (K (- disp-closure-data closure-tag))
+            (T annotation))
+       (prm 'mset t (K (- (+ disp-closure-data wordsize) closure-tag))
+            (T proc))
+       t))]
+  [(P) (interrupt)]
+  [(E) (interrupt)])
+  
+(define-primop $annotated-procedure-annotation unsafe
+  [(V proc) 
+   (prm 'mref (T proc) 
+     (K (- disp-closure-data closure-tag)))])
 
 
 /section)
diff --git a/src/Makefile.in b/src/Makefile.in
index ec5d48c..bab203a 100644
--- a/src/Makefile.in
+++ b/src/Makefile.in
@@ -1,8 +1,8 @@
-# Makefile.in generated by automake 1.10 from Makefile.am.
+# Makefile.in generated by automake 1.10.2 from Makefile.am.
 # @configure_input@
 
 # Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
-# 2003, 2004, 2005, 2006  Free Software Foundation, Inc.
+# 2003, 2004, 2005, 2006, 2007, 2008  Free Software Foundation, Inc.
 # This Makefile.in is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
@@ -64,7 +64,7 @@ ikarus_LDADD = $(LDADD)
 am_scheme_script_OBJECTS = $(am__objects_1) scheme-script.$(OBJEXT)
 scheme_script_OBJECTS = $(am_scheme_script_OBJECTS)
 scheme_script_LDADD = $(LDADD)
-DEFAULT_INCLUDES = -I. -I$(top_builddir)@am__isrc@
+DEFAULT_INCLUDES = -I.@am__isrc@ -I$(top_builddir)
 depcomp = $(SHELL) $(top_srcdir)/depcomp
 am__depfiles_maybe = depfiles
 CPPASCOMPILE = $(CCAS) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \
@@ -202,14 +202,14 @@ $(srcdir)/Makefile.in:  $(srcdir)/Makefile.am  $(am__configure_deps)
 	@for dep in $?; do \
 	  case '$(am__configure_deps)' in \
 	    *$$dep*) \
-	      cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh \
-		&& exit 0; \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
 	      exit 1;; \
 	  esac; \
 	done; \
-	echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu  src/Makefile'; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign  src/Makefile'; \
 	cd $(top_srcdir) && \
-	  $(AUTOMAKE) --gnu  src/Makefile
+	  $(AUTOMAKE) --foreign  src/Makefile
 .PRECIOUS: Makefile
 Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
 	@case '$?' in \
@@ -319,8 +319,8 @@ ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
 	unique=`for i in $$list; do \
 	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
 	  done | \
-	  $(AWK) '    { files[$$0] = 1; } \
-	       END { for (i in files) print i; }'`; \
+	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+	      END { if (nonempty) { for (i in files) print i; }; }'`; \
 	mkid -fID $$unique
 tags: TAGS
 
@@ -332,8 +332,8 @@ TAGS:  $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) \
 	unique=`for i in $$list; do \
 	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
 	  done | \
-	  $(AWK) '    { files[$$0] = 1; } \
-	       END { for (i in files) print i; }'`; \
+	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+	      END { if (nonempty) { for (i in files) print i; }; }'`; \
 	if test -z "$(ETAGS_ARGS)$$tags$$unique"; then :; else \
 	  test -n "$$unique" || unique=$$empty_fix; \
 	  $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
@@ -343,13 +343,12 @@ ctags: CTAGS
 CTAGS:  $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) \
 		$(TAGS_FILES) $(LISP)
 	tags=; \
-	here=`pwd`; \
 	list='$(SOURCES) $(HEADERS)  $(LISP) $(TAGS_FILES)'; \
 	unique=`for i in $$list; do \
 	    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
 	  done | \
-	  $(AWK) '    { files[$$0] = 1; } \
-	       END { for (i in files) print i; }'`; \
+	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+	      END { if (nonempty) { for (i in files) print i; }; }'`; \
 	test -z "$(CTAGS_ARGS)$$tags$$unique" \
 	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
 	     $$tags $$unique