From: H.G. Muller <h.g.muller@hccnet.nl>
Date: Thu, 9 Jun 2011 08:14:50 +0000 (+0200)
Subject: version 1.4.58b
X-Git-Url: http://winboard.nl/cgi-bin?a=commitdiff_plain;h=de010509fa0e57ba955da6512c714fbff8606af3;p=polyglot.git

version 1.4.58b
---

diff --git a/ChangeLog b/ChangeLog
index 956e5f6..eb947fd 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+========1.4.58b=================
+- Implementation of BookDepth in UCI mode.
+- Small corrections to the manpage.
+========1.4.57b=================
+- First attempt at killing engines that do not react to "quit". 
 ========1.4.56b=================
 - Better handling of non-existing engine command on Linux. No changes on Windows.
 =========1.4.55b================
diff --git a/Makefile.in b/Makefile.in
index d6a4340..5f6bb86 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -1,8 +1,9 @@
-# Makefile.in generated by automake 1.10.2 from Makefile.am.
+# Makefile.in generated by automake 1.11 from Makefile.am.
 # @configure_input@
 
 # Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
-# 2003, 2004, 2005, 2006, 2007, 2008  Free Software Foundation, Inc.
+# 2003, 2004, 2005, 2006, 2007, 2008, 2009  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.
@@ -20,8 +21,9 @@
 
 VPATH = @srcdir@
 pkgdatadir = $(datadir)/@PACKAGE@
-pkglibdir = $(libdir)/@PACKAGE@
 pkgincludedir = $(includedir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkglibexecdir = $(libexecdir)/@PACKAGE@
 am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
 install_sh_DATA = $(install_sh) -c -m 644
 install_sh_PROGRAM = $(install_sh) -c
@@ -50,9 +52,9 @@ am__CONFIG_DISTCLEAN_FILES = config.status config.cache config.log \
 mkinstalldirs = $(install_sh) -d
 CONFIG_HEADER = config.h
 CONFIG_CLEAN_FILES =
+CONFIG_CLEAN_VPATH_FILES =
 am__installdirs = "$(DESTDIR)$(bindir)" "$(DESTDIR)$(man6dir)" \
 	"$(DESTDIR)$(docdir)"
-binPROGRAMS_INSTALL = $(INSTALL_PROGRAM)
 PROGRAMS = $(bin_PROGRAMS)
 am_polyglot_OBJECTS = mainloop.$(OBJEXT) attack.$(OBJEXT) \
 	board.$(OBJEXT) book.$(OBJEXT) book_make.$(OBJEXT) \
@@ -70,22 +72,37 @@ polyglot_LDADD = $(LDADD)
 DEFAULT_INCLUDES = -I.@am__isrc@
 depcomp = $(SHELL) $(top_srcdir)/depcomp
 am__depfiles_maybe = depfiles
+am__mv = mv -f
 COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
 	$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
 CCLD = $(CC)
 LINK = $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@
 SOURCES = $(polyglot_SOURCES)
 DIST_SOURCES = $(polyglot_SOURCES)
-man6dir = $(mandir)/man6
-NROFF = nroff
-MANS = $(man6_MANS)
 am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`;
 am__vpath_adj = case $$p in \
     $(srcdir)/*) f=`echo "$$p" | sed "s|^$$srcdirstrip/||"`;; \
     *) f=$$p;; \
   esac;
-am__strip_dir = `echo $$p | sed -e 's|^.*/||'`;
-dist_docDATA_INSTALL = $(INSTALL_DATA)
+am__strip_dir = f=`echo $$p | sed -e 's|^.*/||'`;
+am__install_max = 40
+am__nobase_strip_setup = \
+  srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*|]/\\\\&/g'`
+am__nobase_strip = \
+  for p in $$list; do echo "$$p"; done | sed -e "s|$$srcdirstrip/||"
+am__nobase_list = $(am__nobase_strip_setup); \
+  for p in $$list; do echo "$$p $$p"; done | \
+  sed "s| $$srcdirstrip/| |;"' / .*\//!s/ .*/ ./; s,\( .*\)/[^/]*$$,\1,' | \
+  $(AWK) 'BEGIN { files["."] = "" } { files[$$2] = files[$$2] " " $$1; \
+    if (++n[$$2] == $(am__install_max)) \
+      { print $$2, files[$$2]; n[$$2] = 0; files[$$2] = "" } } \
+    END { for (dir in files) print dir, files[dir] }'
+am__base_list = \
+  sed '$$!N;$$!N;$$!N;$$!N;$$!N;$$!N;$$!N;s/\n/ /g' | \
+  sed '$$!N;$$!N;$$!N;$$!N;s/\n/ /g'
+man6dir = $(mandir)/man6
+NROFF = nroff
+MANS = $(man6_MANS)
 DATA = $(dist_doc_DATA)
 ETAGS = etags
 CTAGS = ctags
@@ -93,9 +110,9 @@ DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
 distdir = $(PACKAGE)-$(VERSION)
 top_distdir = $(distdir)
 am__remove_distdir = \
-  { test ! -d $(distdir) \
-    || { find $(distdir) -type d ! -perm -200 -exec chmod u+w {} ';' \
-         && rm -fr $(distdir); }; }
+  { test ! -d "$(distdir)" \
+    || { find "$(distdir)" -type d ! -perm -200 -exec chmod u+w {} ';' \
+         && rm -fr "$(distdir)"; }; }
 DIST_ARCHIVES = $(distdir).tar.gz
 GZIP_ENV = --best
 distuninstallcheck_listfiles = find . -type f -print
@@ -137,6 +154,7 @@ PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@
 PACKAGE_NAME = @PACKAGE_NAME@
 PACKAGE_STRING = @PACKAGE_STRING@
 PACKAGE_TARNAME = @PACKAGE_TARNAME@
+PACKAGE_URL = @PACKAGE_URL@
 PACKAGE_VERSION = @PACKAGE_VERSION@
 PATH_SEPARATOR = @PATH_SEPARATOR@
 SET_MAKE = @SET_MAKE@
@@ -200,15 +218,15 @@ $(srcdir)/Makefile.in:  $(srcdir)/Makefile.am  $(am__configure_deps)
 	@for dep in $?; do \
 	  case '$(am__configure_deps)' in \
 	    *$$dep*) \
-	      echo ' cd $(srcdir) && $(AUTOMAKE) --gnu '; \
-	      cd $(srcdir) && $(AUTOMAKE) --gnu  \
+	      echo ' cd $(srcdir) && $(AUTOMAKE) --gnu'; \
+	      $(am__cd) $(srcdir) && $(AUTOMAKE) --gnu \
 		&& exit 0; \
 	      exit 1;; \
 	  esac; \
 	done; \
-	echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu  Makefile'; \
-	cd $(top_srcdir) && \
-	  $(AUTOMAKE) --gnu  Makefile
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --gnu Makefile
 .PRECIOUS: Makefile
 Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
 	@case '$?' in \
@@ -224,9 +242,10 @@ $(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENC
 	$(SHELL) ./config.status --recheck
 
 $(top_srcdir)/configure:  $(am__configure_deps)
-	cd $(srcdir) && $(AUTOCONF)
+	$(am__cd) $(srcdir) && $(AUTOCONF)
 $(ACLOCAL_M4):  $(am__aclocal_m4_deps)
-	cd $(srcdir) && $(ACLOCAL) $(ACLOCAL_AMFLAGS)
+	$(am__cd) $(srcdir) && $(ACLOCAL) $(ACLOCAL_AMFLAGS)
+$(am__aclocal_m4_deps):
 
 config.h: stamp-h1
 	@if test ! -f $@; then \
@@ -238,7 +257,7 @@ stamp-h1: $(srcdir)/config.h.in $(top_builddir)/config.status
 	@rm -f stamp-h1
 	cd $(top_builddir) && $(SHELL) ./config.status config.h
 $(srcdir)/config.h.in:  $(am__configure_deps) 
-	cd $(top_srcdir) && $(AUTOHEADER)
+	($(am__cd) $(top_srcdir) && $(AUTOHEADER))
 	rm -f stamp-h1
 	touch $@
 
@@ -247,23 +266,37 @@ distclean-hdr:
 install-binPROGRAMS: $(bin_PROGRAMS)
 	@$(NORMAL_INSTALL)
 	test -z "$(bindir)" || $(MKDIR_P) "$(DESTDIR)$(bindir)"
-	@list='$(bin_PROGRAMS)'; for p in $$list; do \
-	  p1=`echo $$p|sed 's/$(EXEEXT)$$//'`; \
-	  if test -f $$p \
-	  ; then \
-	    f=`echo "$$p1" | sed 's,^.*/,,;$(transform);s/$$/$(EXEEXT)/'`; \
-	   echo " $(INSTALL_PROGRAM_ENV) $(binPROGRAMS_INSTALL) '$$p' '$(DESTDIR)$(bindir)/$$f'"; \
-	   $(INSTALL_PROGRAM_ENV) $(binPROGRAMS_INSTALL) "$$p" "$(DESTDIR)$(bindir)/$$f" || exit 1; \
-	  else :; fi; \
-	done
+	@list='$(bin_PROGRAMS)'; test -n "$(bindir)" || list=; \
+	for p in $$list; do echo "$$p $$p"; done | \
+	sed 's/$(EXEEXT)$$//' | \
+	while read p p1; do if test -f $$p; \
+	  then echo "$$p"; echo "$$p"; else :; fi; \
+	done | \
+	sed -e 'p;s,.*/,,;n;h' -e 's|.*|.|' \
+	    -e 'p;x;s,.*/,,;s/$(EXEEXT)$$//;$(transform);s/$$/$(EXEEXT)/' | \
+	sed 'N;N;N;s,\n, ,g' | \
+	$(AWK) 'BEGIN { files["."] = ""; dirs["."] = 1 } \
+	  { d=$$3; if (dirs[d] != 1) { print "d", d; dirs[d] = 1 } \
+	    if ($$2 == $$4) files[d] = files[d] " " $$1; \
+	    else { print "f", $$3 "/" $$4, $$1; } } \
+	  END { for (d in files) print "f", d, files[d] }' | \
+	while read type dir files; do \
+	    if test "$$dir" = .; then dir=; else dir=/$$dir; fi; \
+	    test -z "$$files" || { \
+	      echo " $(INSTALL_PROGRAM_ENV) $(INSTALL_PROGRAM) $$files '$(DESTDIR)$(bindir)$$dir'"; \
+	      $(INSTALL_PROGRAM_ENV) $(INSTALL_PROGRAM) $$files "$(DESTDIR)$(bindir)$$dir" || exit $$?; \
+	    } \
+	; done
 
 uninstall-binPROGRAMS:
 	@$(NORMAL_UNINSTALL)
-	@list='$(bin_PROGRAMS)'; for p in $$list; do \
-	  f=`echo "$$p" | sed 's,^.*/,,;s/$(EXEEXT)$$//;$(transform);s/$$/$(EXEEXT)/'`; \
-	  echo " rm -f '$(DESTDIR)$(bindir)/$$f'"; \
-	  rm -f "$(DESTDIR)$(bindir)/$$f"; \
-	done
+	@list='$(bin_PROGRAMS)'; test -n "$(bindir)" || list=; \
+	files=`for p in $$list; do echo "$$p"; done | \
+	  sed -e 'h;s,^.*/,,;s/$(EXEEXT)$$//;$(transform)' \
+	      -e 's/$$/$(EXEEXT)/' `; \
+	test -n "$$list" || exit 0; \
+	echo " ( cd '$(DESTDIR)$(bindir)' && rm -f" $$files ")"; \
+	cd "$(DESTDIR)$(bindir)" && rm -f $$files
 
 clean-binPROGRAMS:
 	-test -z "$(bin_PROGRAMS)" || rm -f $(bin_PROGRAMS)
@@ -316,79 +349,71 @@ distclean-compile:
 
 .c.o:
 @am__fastdepCC_TRUE@	$(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
-@am__fastdepCC_TRUE@	mv -f $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
+@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
 @AMDEP_TRUE@@am__fastdepCC_FALSE@	source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
 @AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCC_FALSE@	$(COMPILE) -c $<
 
 .c.obj:
 @am__fastdepCC_TRUE@	$(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ `$(CYGPATH_W) '$<'`
-@am__fastdepCC_TRUE@	mv -f $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
+@am__fastdepCC_TRUE@	$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
 @AMDEP_TRUE@@am__fastdepCC_FALSE@	source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
 @AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCC_FALSE@	$(COMPILE) -c `$(CYGPATH_W) '$<'`
-install-man6: $(man6_MANS) $(man_MANS)
+install-man6: $(man6_MANS)
 	@$(NORMAL_INSTALL)
 	test -z "$(man6dir)" || $(MKDIR_P) "$(DESTDIR)$(man6dir)"
-	@list='$(man6_MANS) $(dist_man6_MANS) $(nodist_man6_MANS)'; \
-	l2='$(man_MANS) $(dist_man_MANS) $(nodist_man_MANS)'; \
-	for i in $$l2; do \
-	  case "$$i" in \
-	    *.6*) list="$$list $$i" ;; \
-	  esac; \
+	@list='$(man6_MANS)'; test -n "$(man6dir)" || exit 0; \
+	{ for i in $$list; do echo "$$i"; done; \
+	} | while read p; do \
+	  if test -f $$p; then d=; else d="$(srcdir)/"; fi; \
+	  echo "$$d$$p"; echo "$$p"; \
+	done | \
+	sed -e 'n;s,.*/,,;p;h;s,.*\.,,;s,^[^6][0-9a-z]*$$,6,;x' \
+	      -e 's,\.[0-9a-z]*$$,,;$(transform);G;s,\n,.,' | \
+	sed 'N;N;s,\n, ,g' | { \
+	list=; while read file base inst; do \
+	  if test "$$base" = "$$inst"; then list="$$list $$file"; else \
+	    echo " $(INSTALL_DATA) '$$file' '$(DESTDIR)$(man6dir)/$$inst'"; \
+	    $(INSTALL_DATA) "$$file" "$(DESTDIR)$(man6dir)/$$inst" || exit $$?; \
+	  fi; \
 	done; \
-	for i in $$list; do \
-	  if test -f $$i; then file=$$i; \
-	  else file=$(srcdir)/$$i; fi; \
-	  ext=`echo $$i | sed -e 's/^.*\\.//'`; \
-	  case "$$ext" in \
-	    6*) ;; \
-	    *) ext='6' ;; \
-	  esac; \
-	  inst=`echo $$i | sed -e 's/\\.[0-9a-z]*$$//'`; \
-	  inst=`echo $$inst | sed -e 's/^.*\///'`; \
-	  inst=`echo $$inst | sed '$(transform)'`.$$ext; \
-	  echo " $(INSTALL_DATA) '$$file' '$(DESTDIR)$(man6dir)/$$inst'"; \
-	  $(INSTALL_DATA) "$$file" "$(DESTDIR)$(man6dir)/$$inst"; \
-	done
+	for i in $$list; do echo "$$i"; done | $(am__base_list) | \
+	while read files; do \
+	  test -z "$$files" || { \
+	    echo " $(INSTALL_DATA) $$files '$(DESTDIR)$(man6dir)'"; \
+	    $(INSTALL_DATA) $$files "$(DESTDIR)$(man6dir)" || exit $$?; }; \
+	done; }
+
 uninstall-man6:
 	@$(NORMAL_UNINSTALL)
-	@list='$(man6_MANS) $(dist_man6_MANS) $(nodist_man6_MANS)'; \
-	l2='$(man_MANS) $(dist_man_MANS) $(nodist_man_MANS)'; \
-	for i in $$l2; do \
-	  case "$$i" in \
-	    *.6*) list="$$list $$i" ;; \
-	  esac; \
-	done; \
-	for i in $$list; do \
-	  ext=`echo $$i | sed -e 's/^.*\\.//'`; \
-	  case "$$ext" in \
-	    6*) ;; \
-	    *) ext='6' ;; \
-	  esac; \
-	  inst=`echo $$i | sed -e 's/\\.[0-9a-z]*$$//'`; \
-	  inst=`echo $$inst | sed -e 's/^.*\///'`; \
-	  inst=`echo $$inst | sed '$(transform)'`.$$ext; \
-	  echo " rm -f '$(DESTDIR)$(man6dir)/$$inst'"; \
-	  rm -f "$(DESTDIR)$(man6dir)/$$inst"; \
-	done
+	@list='$(man6_MANS)'; test -n "$(man6dir)" || exit 0; \
+	files=`{ for i in $$list; do echo "$$i"; done; \
+	} | sed -e 's,.*/,,;h;s,.*\.,,;s,^[^6][0-9a-z]*$$,6,;x' \
+	      -e 's,\.[0-9a-z]*$$,,;$(transform);G;s,\n,.,'`; \
+	test -z "$$files" || { \
+	  echo " ( cd '$(DESTDIR)$(man6dir)' && rm -f" $$files ")"; \
+	  cd "$(DESTDIR)$(man6dir)" && rm -f $$files; }
 install-dist_docDATA: $(dist_doc_DATA)
 	@$(NORMAL_INSTALL)
 	test -z "$(docdir)" || $(MKDIR_P) "$(DESTDIR)$(docdir)"
-	@list='$(dist_doc_DATA)'; for p in $$list; do \
+	@list='$(dist_doc_DATA)'; test -n "$(docdir)" || list=; \
+	for p in $$list; do \
 	  if test -f "$$p"; then d=; else d="$(srcdir)/"; fi; \
-	  f=$(am__strip_dir) \
-	  echo " $(dist_docDATA_INSTALL) '$$d$$p' '$(DESTDIR)$(docdir)/$$f'"; \
-	  $(dist_docDATA_INSTALL) "$$d$$p" "$(DESTDIR)$(docdir)/$$f"; \
+	  echo "$$d$$p"; \
+	done | $(am__base_list) | \
+	while read files; do \
+	  echo " $(INSTALL_DATA) $$files '$(DESTDIR)$(docdir)'"; \
+	  $(INSTALL_DATA) $$files "$(DESTDIR)$(docdir)" || exit $$?; \
 	done
 
 uninstall-dist_docDATA:
 	@$(NORMAL_UNINSTALL)
-	@list='$(dist_doc_DATA)'; for p in $$list; do \
-	  f=$(am__strip_dir) \
-	  echo " rm -f '$(DESTDIR)$(docdir)/$$f'"; \
-	  rm -f "$(DESTDIR)$(docdir)/$$f"; \
-	done
+	@list='$(dist_doc_DATA)'; test -n "$(docdir)" || list=; \
+	files=`for p in $$list; do echo $$p; done | sed -e 's|^.*/||'`; \
+	test -n "$$files" || exit 0; \
+	echo " ( cd '$(DESTDIR)$(docdir)' && rm -f" $$files ")"; \
+	cd "$(DESTDIR)$(docdir)" && rm -f $$files
 
 ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
 	list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
@@ -402,7 +427,7 @@ tags: TAGS
 
 TAGS:  $(HEADERS) $(SOURCES) config.h.in $(TAGS_DEPENDENCIES) \
 		$(TAGS_FILES) $(LISP)
-	tags=; \
+	set x; \
 	here=`pwd`; \
 	list='$(SOURCES) $(HEADERS) config.h.in $(LISP) $(TAGS_FILES)'; \
 	unique=`for i in $$list; do \
@@ -410,36 +435,54 @@ TAGS:  $(HEADERS) $(SOURCES) config.h.in $(TAGS_DEPENDENCIES) \
 	  done | \
 	  $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
 	      END { if (nonempty) { for (i in files) print i; }; }'`; \
-	if test -z "$(ETAGS_ARGS)$$tags$$unique"; then :; else \
+	shift; \
+	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
 	  test -n "$$unique" || unique=$$empty_fix; \
-	  $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
-	    $$tags $$unique; \
+	  if test $$# -gt 0; then \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      "$$@" $$unique; \
+	  else \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      $$unique; \
+	  fi; \
 	fi
 ctags: CTAGS
 CTAGS:  $(HEADERS) $(SOURCES) config.h.in $(TAGS_DEPENDENCIES) \
 		$(TAGS_FILES) $(LISP)
-	tags=; \
 	list='$(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[$$0] = 1; nonempty = 1; } \
 	      END { if (nonempty) { for (i in files) print i; }; }'`; \
-	test -z "$(CTAGS_ARGS)$$tags$$unique" \
+	test -z "$(CTAGS_ARGS)$$unique" \
 	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
-	     $$tags $$unique
+	     $$unique
 
 GTAGS:
 	here=`$(am__cd) $(top_builddir) && pwd` \
-	  && cd $(top_srcdir) \
-	  && gtags -i $(GTAGS_ARGS) $$here
+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
 
 distclean-tags:
 	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
 
 distdir: $(DISTFILES)
+	@list='$(MANS)'; if test -n "$$list"; then \
+	  list=`for p in $$list; do \
+	    if test -f $$p; then d=; else d="$(srcdir)/"; fi; \
+	    if test -f "$$d$$p"; then echo "$$d$$p"; else :; fi; done`; \
+	  if test -n "$$list" && \
+	    grep 'ab help2man is required to generate this page' $$list >/dev/null; then \
+	    echo "error: found man pages containing the \`missing help2man' replacement text:" >&2; \
+	    grep -l 'ab help2man is required to generate this page' $$list | sed 's/^/         /' >&2; \
+	    echo "       to fix them, install help2man, remove and regenerate the man pages;" >&2; \
+	    echo "       typically \`make maintainer-clean' will remove them" >&2; \
+	    exit 1; \
+	  else :; fi; \
+	else :; fi
 	$(am__remove_distdir)
-	test -d $(distdir) || mkdir $(distdir)
+	test -d "$(distdir)" || mkdir "$(distdir)"
 	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
 	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
 	list='$(DISTFILES)'; \
@@ -455,21 +498,26 @@ distdir: $(DISTFILES)
 	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
 	  if test -d $$d/$$file; then \
 	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
 	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
-	      cp -pR $(srcdir)/$$file $(distdir)$$dir || exit 1; \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
 	    fi; \
-	    cp -pR $$d/$$file $(distdir)$$dir || exit 1; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
 	  else \
-	    test -f $(distdir)/$$file \
-	    || cp -p $$d/$$file $(distdir)/$$file \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
 	    || exit 1; \
 	  fi; \
 	done
-	-find $(distdir) -type d ! -perm -777 -exec chmod a+rwx {} \; -o \
+	-test -n "$(am__skip_mode_fix)" \
+	|| find "$(distdir)" -type d ! -perm -777 -exec chmod a+rwx {} \; -o \
 	  ! -type d ! -perm -444 -links 1 -exec chmod a+r {} \; -o \
 	  ! -type d ! -perm -400 -exec chmod a+r {} \; -o \
 	  ! -type d ! -perm -444 -exec $(install_sh) -c -m a+r {} {} \; \
-	|| chmod -R a+r $(distdir)
+	|| chmod -R a+r "$(distdir)"
 dist-gzip: distdir
 	tardir=$(distdir) && $(am__tar) | GZIP=$(GZIP_ENV) gzip -c >$(distdir).tar.gz
 	$(am__remove_distdir)
@@ -482,6 +530,10 @@ dist-lzma: distdir
 	tardir=$(distdir) && $(am__tar) | lzma -9 -c >$(distdir).tar.lzma
 	$(am__remove_distdir)
 
+dist-xz: distdir
+	tardir=$(distdir) && $(am__tar) | xz -c >$(distdir).tar.xz
+	$(am__remove_distdir)
+
 dist-tarZ: distdir
 	tardir=$(distdir) && $(am__tar) | compress -c >$(distdir).tar.Z
 	$(am__remove_distdir)
@@ -510,6 +562,8 @@ distcheck: dist
 	  bunzip2 -c $(distdir).tar.bz2 | $(am__untar) ;;\
 	*.tar.lzma*) \
 	  unlzma -c $(distdir).tar.lzma | $(am__untar) ;;\
+	*.tar.xz*) \
+	  xz -dc $(distdir).tar.xz | $(am__untar) ;;\
 	*.tar.Z*) \
 	  uncompress -c $(distdir).tar.Z | $(am__untar) ;;\
 	*.shar.gz*) \
@@ -521,9 +575,11 @@ distcheck: dist
 	mkdir $(distdir)/_build
 	mkdir $(distdir)/_inst
 	chmod a-w $(distdir)
+	test -d $(distdir)/_build || exit 0; \
 	dc_install_base=`$(am__cd) $(distdir)/_inst && pwd | sed -e 's,^[^:\\/]:[\\/],/,'` \
 	  && dc_destdir="$${TMPDIR-/tmp}/am-dc-$$$$/" \
-	  && cd $(distdir)/_build \
+	  && am__cwd=`pwd` \
+	  && $(am__cd) $(distdir)/_build \
 	  && ../configure --srcdir=.. --prefix="$$dc_install_base" \
 	    $(DISTCHECK_CONFIGURE_FLAGS) \
 	  && $(MAKE) $(AM_MAKEFLAGS) \
@@ -545,13 +601,15 @@ distcheck: dist
 	  && rm -rf "$$dc_destdir" \
 	  && $(MAKE) $(AM_MAKEFLAGS) dist \
 	  && rm -rf $(DIST_ARCHIVES) \
-	  && $(MAKE) $(AM_MAKEFLAGS) distcleancheck
+	  && $(MAKE) $(AM_MAKEFLAGS) distcleancheck \
+	  && cd "$$am__cwd" \
+	  || exit 1
 	$(am__remove_distdir)
 	@(echo "$(distdir) archives ready for distribution: "; \
 	  list='$(DIST_ARCHIVES)'; for i in $$list; do echo $$i; done) | \
 	  sed -e 1h -e 1s/./=/g -e 1p -e 1x -e '$$p' -e '$$x'
 distuninstallcheck:
-	@cd $(distuninstallcheck_dir) \
+	@$(am__cd) '$(distuninstallcheck_dir)' \
 	&& test `$(distuninstallcheck_listfiles) | wc -l` -le 1 \
 	   || { echo "ERROR: files left after uninstall:" ; \
 	        if test -n "$(DESTDIR)"; then \
@@ -595,6 +653,7 @@ clean-generic:
 
 distclean-generic:
 	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
 
 maintainer-clean-generic:
 	@echo "This command is intended for maintainers to use"
@@ -616,6 +675,8 @@ dvi-am:
 
 html: html-am
 
+html-am:
+
 info: info-am
 
 info-am:
@@ -624,18 +685,28 @@ install-data-am: install-dist_docDATA install-man
 
 install-dvi: install-dvi-am
 
+install-dvi-am:
+
 install-exec-am: install-binPROGRAMS
 
 install-html: install-html-am
 
+install-html-am:
+
 install-info: install-info-am
 
+install-info-am:
+
 install-man: install-man6
 
 install-pdf: install-pdf-am
 
+install-pdf-am:
+
 install-ps: install-ps-am
 
+install-ps-am:
+
 installcheck-am:
 
 maintainer-clean: maintainer-clean-am
@@ -662,24 +733,24 @@ uninstall-am: uninstall-binPROGRAMS uninstall-dist_docDATA \
 
 uninstall-man: uninstall-man6
 
-.MAKE: install-am install-strip
+.MAKE: all install-am install-strip
 
 .PHONY: CTAGS GTAGS all all-am am--refresh check check-am clean \
 	clean-binPROGRAMS clean-generic ctags dist dist-all dist-bzip2 \
-	dist-gzip dist-lzma dist-shar dist-tarZ dist-zip distcheck \
-	distclean distclean-compile distclean-generic distclean-hdr \
-	distclean-tags distcleancheck distdir distuninstallcheck dvi \
-	dvi-am html html-am info info-am install install-am \
-	install-binPROGRAMS install-data install-data-am \
-	install-dist_docDATA install-dvi install-dvi-am install-exec \
-	install-exec-am install-html install-html-am install-info \
-	install-info-am install-man install-man6 install-pdf \
-	install-pdf-am install-ps install-ps-am install-strip \
-	installcheck installcheck-am installdirs maintainer-clean \
-	maintainer-clean-generic mostlyclean mostlyclean-compile \
-	mostlyclean-generic pdf pdf-am ps ps-am tags uninstall \
-	uninstall-am uninstall-binPROGRAMS uninstall-dist_docDATA \
-	uninstall-man uninstall-man6
+	dist-gzip dist-lzma dist-shar dist-tarZ dist-xz dist-zip \
+	distcheck distclean distclean-compile distclean-generic \
+	distclean-hdr distclean-tags distcleancheck distdir \
+	distuninstallcheck dvi dvi-am html html-am info info-am \
+	install install-am install-binPROGRAMS install-data \
+	install-data-am install-dist_docDATA install-dvi \
+	install-dvi-am install-exec install-exec-am install-html \
+	install-html-am install-info install-info-am install-man \
+	install-man6 install-pdf install-pdf-am install-ps \
+	install-ps-am install-strip installcheck installcheck-am \
+	installdirs maintainer-clean maintainer-clean-generic \
+	mostlyclean mostlyclean-compile mostlyclean-generic pdf pdf-am \
+	ps ps-am tags uninstall uninstall-am uninstall-binPROGRAMS \
+	uninstall-dist_docDATA uninstall-man uninstall-man6
 
 
 polyglot.man: polyglot.pod
@@ -694,6 +765,7 @@ deb:
 rpm:
 	make dist
 	rpmbuild -ta polyglot-@VERSION@.tar.gz
+
 # Tell versions [3.59,3.63) of GNU make to not export all variables.
 # Otherwise a system limit (for SysV at least) may be exceeded.
 .NOEXPORT:
diff --git a/README b/README
index 9ab6f15..8fbea2e 100644
--- a/README
+++ b/README
@@ -12,8 +12,8 @@ NAME
 
 SYNOPSIS
        polyglot [configfile] [-noini] [-ec engine] [-ed enginedirectory] [-en
-       enginename] [-log] [-lf logfile] [-hash value] [-bk book] [-pg
-       <name>=<value>]* [-uci <name>=<value>]*
+       enginename] [-log true/false] [-lf logfile] [-pg <name>=<value>]* [-uci
+       <name>=<value>]*
 
        polyglot make-book [-pgn inputfile] [-bin outputfile] [-max-ply ply]
        [-min-game games] [-min-score score] [-only-white] [-only-black]
@@ -501,10 +501,10 @@ EXAMPLES
 
            xboard -fcp fruit -fUCI
 
-       An explicit command line for using the UCI engine "fruit" with 128M
-       hash in xboard with logging enabled (this also works on xboard 4.2.7).
+       An explicit command line for using the UCI engine "fruit" with logging
+       enabled (this works also with older versions of xboard).
 
-           xboard -fcp "polyglot -noini -log -ec fruit -hash 128"
+           xboard -fcp "polyglot -noini -log true -ec fruit"
 
        The equivalent config file would be:
 
@@ -512,7 +512,6 @@ EXAMPLES
            EngineCommand = fruit
            Log = true
            [Engine]
-           Hash=128
 
        Compile "games.pgn" into a book "book.bin" retaining all lines of at
        most 30 plies.
@@ -551,4 +550,4 @@ SEE ALSO
 
 
 
-                                  2009-11-30                       POLYGLOT(6)
+                                  2010-04-25                       POLYGLOT(6)
diff --git a/aclocal.m4 b/aclocal.m4
index 67789a1..9e6e22d 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -1,7 +1,7 @@
-# generated automatically by aclocal 1.10.2 -*- Autoconf -*-
+# generated automatically by aclocal 1.11 -*- Autoconf -*-
 
 # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
-# 2005, 2006, 2007, 2008  Free Software Foundation, Inc.
+# 2005, 2006, 2007, 2008, 2009  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.
@@ -13,8 +13,8 @@
 
 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.
+m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.64],,
+[m4_warning([this file was generated for autoconf 2.64.
 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'.])])
@@ -31,10 +31,10 @@ To do so, use the procedure documented by the package, typically `autoreconf'.])
 # generated from the m4 files accompanying Automake X.Y.
 # (This private macro should not be called outside this file.)
 AC_DEFUN([AM_AUTOMAKE_VERSION],
-[am__api_version='1.10'
+[am__api_version='1.11'
 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], [1.10.2], [],
+m4_if([$1], [1.11], [],
       [AC_FATAL([Do not call $0, use AM_INIT_AUTOMAKE([$1]).])])dnl
 ])
 
@@ -50,7 +50,7 @@ m4_define([_AM_AUTOCONF_VERSION], [])
 # Call AM_AUTOMAKE_VERSION and AM_AUTOMAKE_VERSION so they can be traced.
 # This function is AC_REQUIREd by AM_INIT_AUTOMAKE.
 AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION],
-[AM_AUTOMAKE_VERSION([1.10.2])dnl
+[AM_AUTOMAKE_VERSION([1.11])dnl
 m4_ifndef([AC_AUTOCONF_VERSION],
   [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
 _AM_AUTOCONF_VERSION(m4_defn([AC_AUTOCONF_VERSION]))])
@@ -110,14 +110,14 @@ am_aux_dir=`cd $ac_aux_dir && pwd`
 
 # AM_CONDITIONAL                                            -*- Autoconf -*-
 
-# Copyright (C) 1997, 2000, 2001, 2003, 2004, 2005, 2006
+# Copyright (C) 1997, 2000, 2001, 2003, 2004, 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 8
+# serial 9
 
 # AM_CONDITIONAL(NAME, SHELL-CONDITION)
 # -------------------------------------
@@ -130,6 +130,7 @@ AC_SUBST([$1_TRUE])dnl
 AC_SUBST([$1_FALSE])dnl
 _AM_SUBST_NOTMAKE([$1_TRUE])dnl
 _AM_SUBST_NOTMAKE([$1_FALSE])dnl
+m4_define([_AM_COND_VALUE_$1], [$2])dnl
 if $2; then
   $1_TRUE=
   $1_FALSE='#'
@@ -143,14 +144,14 @@ AC_CONFIG_COMMANDS_PRE(
 Usually this means the macro was only invoked conditionally.]])
 fi])])
 
-# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
+# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2009
 # 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 9
+# serial 10
 
 # There are a few dirty hacks below to avoid letting `AC_PROG_CC' be
 # written in clear, in which case automake, when reading aclocal.m4,
@@ -207,6 +208,16 @@ AC_CACHE_CHECK([dependency style of $depcc],
   if test "$am_compiler_list" = ""; then
      am_compiler_list=`sed -n ['s/^#*\([a-zA-Z0-9]*\))$/\1/p'] < ./depcomp`
   fi
+  am__universal=false
+  m4_case([$1], [CC],
+    [case " $depcc " in #(
+     *\ -arch\ *\ -arch\ *) am__universal=true ;;
+     esac],
+    [CXX],
+    [case " $depcc " in #(
+     *\ -arch\ *\ -arch\ *) am__universal=true ;;
+     esac])
+
   for depmode in $am_compiler_list; do
     # Setup a source with many dependencies, because some compilers
     # like to wrap large dependency lists on column 80 (with \), and
@@ -224,7 +235,17 @@ AC_CACHE_CHECK([dependency style of $depcc],
     done
     echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf
 
+    # We check with `-c' and `-o' for the sake of the "dashmstdout"
+    # mode.  It turns out that the SunPro C++ compiler does not properly
+    # handle `-M -o', and we need to detect this.  Also, some Intel
+    # versions had trouble with output in subdirs
+    am__obj=sub/conftest.${OBJEXT-o}
+    am__minus_obj="-o $am__obj"
     case $depmode in
+    gcc)
+      # This depmode causes a compiler race in universal mode.
+      test "$am__universal" = false || continue
+      ;;
     nosideeffect)
       # after this tag, mechanisms are not by side-effect, so they'll
       # only be used when explicitly requested
@@ -234,19 +255,23 @@ AC_CACHE_CHECK([dependency style of $depcc],
 	break
       fi
       ;;
+    msvisualcpp | msvcmsys)
+      # This compiler won't grok `-c -o', but also, the minuso test has
+      # not run yet.  These depmodes are late enough in the game, and
+      # so weak that their functioning should not be impacted.
+      am__obj=conftest.${OBJEXT-o}
+      am__minus_obj=
+      ;;
     none) break ;;
     esac
-    # We check with `-c' and `-o' for the sake of the "dashmstdout"
-    # mode.  It turns out that the SunPro C++ compiler does not properly
-    # handle `-M -o', and we need to detect this.
     if depmode=$depmode \
-       source=sub/conftest.c object=sub/conftest.${OBJEXT-o} \
+       source=sub/conftest.c object=$am__obj \
        depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
-       $SHELL ./depcomp $depcc -c -o sub/conftest.${OBJEXT-o} sub/conftest.c \
+       $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \
          >/dev/null 2>conftest.err &&
        grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 &&
        grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
-       grep sub/conftest.${OBJEXT-o} sub/conftest.Po > /dev/null 2>&1 &&
+       grep $am__obj sub/conftest.Po > /dev/null 2>&1 &&
        ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
       # icc doesn't choke on unknown options, it will just issue warnings
       # or remarks (even with -Werror).  So we grep stderr for any message
@@ -384,13 +409,13 @@ 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, 2008 Free Software Foundation, Inc.
+# 2005, 2006, 2008, 2009 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 13
+# serial 16
 
 # 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.
@@ -407,7 +432,7 @@ AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS],
 # arguments mandatory, and then we can depend on a new Autoconf
 # release and drop the old call support.
 AC_DEFUN([AM_INIT_AUTOMAKE],
-[AC_PREREQ([2.60])dnl
+[AC_PREREQ([2.62])dnl
 dnl Autoconf wants to disallow AM_ names.  We explicitly allow
 dnl the ones we care about.
 m4_pattern_allow([^AM_[A-Z]+FLAGS$])dnl
@@ -458,8 +483,8 @@ AM_MISSING_PROG(AUTOCONF, autoconf)
 AM_MISSING_PROG(AUTOMAKE, automake-${am__api_version})
 AM_MISSING_PROG(AUTOHEADER, autoheader)
 AM_MISSING_PROG(MAKEINFO, makeinfo)
-AM_PROG_INSTALL_SH
-AM_PROG_INSTALL_STRIP
+AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
+AC_REQUIRE([AM_PROG_INSTALL_STRIP])dnl
 AC_REQUIRE([AM_PROG_MKDIR_P])dnl
 # We need awk for the "check" target.  The system "awk" is bad on
 # some platforms.
@@ -467,24 +492,37 @@ AC_REQUIRE([AC_PROG_AWK])dnl
 AC_REQUIRE([AC_PROG_MAKE_SET])dnl
 AC_REQUIRE([AM_SET_LEADING_DOT])dnl
 _AM_IF_OPTION([tar-ustar], [_AM_PROG_TAR([ustar])],
-              [_AM_IF_OPTION([tar-pax], [_AM_PROG_TAR([pax])],
-	      		     [_AM_PROG_TAR([v7])])])
+	      [_AM_IF_OPTION([tar-pax], [_AM_PROG_TAR([pax])],
+			     [_AM_PROG_TAR([v7])])])
 _AM_IF_OPTION([no-dependencies],,
 [AC_PROVIDE_IFELSE([AC_PROG_CC],
-                  [_AM_DEPENDENCIES(CC)],
-                  [define([AC_PROG_CC],
-                          defn([AC_PROG_CC])[_AM_DEPENDENCIES(CC)])])dnl
+		  [_AM_DEPENDENCIES(CC)],
+		  [define([AC_PROG_CC],
+			  defn([AC_PROG_CC])[_AM_DEPENDENCIES(CC)])])dnl
 AC_PROVIDE_IFELSE([AC_PROG_CXX],
-                  [_AM_DEPENDENCIES(CXX)],
-                  [define([AC_PROG_CXX],
-                          defn([AC_PROG_CXX])[_AM_DEPENDENCIES(CXX)])])dnl
+		  [_AM_DEPENDENCIES(CXX)],
+		  [define([AC_PROG_CXX],
+			  defn([AC_PROG_CXX])[_AM_DEPENDENCIES(CXX)])])dnl
 AC_PROVIDE_IFELSE([AC_PROG_OBJC],
-                  [_AM_DEPENDENCIES(OBJC)],
-                  [define([AC_PROG_OBJC],
-                          defn([AC_PROG_OBJC])[_AM_DEPENDENCIES(OBJC)])])dnl
+		  [_AM_DEPENDENCIES(OBJC)],
+		  [define([AC_PROG_OBJC],
+			  defn([AC_PROG_OBJC])[_AM_DEPENDENCIES(OBJC)])])dnl
 ])
+_AM_IF_OPTION([silent-rules], [AC_REQUIRE([AM_SILENT_RULES])])dnl
+dnl The `parallel-tests' driver may need to know about EXEEXT, so add the
+dnl `am__EXEEXT' conditional if _AM_COMPILER_EXEEXT was seen.  This macro
+dnl is hooked onto _AC_COMPILER_EXEEXT early, see below.
+AC_CONFIG_COMMANDS_PRE(dnl
+[m4_provide_if([_AM_COMPILER_EXEEXT],
+  [AM_CONDITIONAL([am__EXEEXT], [test -n "$EXEEXT"])])])dnl
 ])
 
+dnl Hook into `_AC_COMPILER_EXEEXT' early to learn its expansion.  Do not
+dnl add the conditional right here, as _AC_COMPILER_EXEEXT may be further
+dnl mangled by Autoconf and run in a shell conditional statement.
+m4_define([_AC_COMPILER_EXEEXT],
+m4_defn([_AC_COMPILER_EXEEXT])[m4_provide([_AM_COMPILER_EXEEXT])])
+
 
 # When config.status generates a header, we must update the stamp-h file.
 # This file resides in the same directory as the config header
@@ -507,7 +545,7 @@ for _am_header in $config_headers :; do
 done
 echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
 
-# Copyright (C) 2001, 2003, 2005  Free Software Foundation, Inc.
+# Copyright (C) 2001, 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,
@@ -518,7 +556,14 @@ echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_co
 # Define $install_sh.
 AC_DEFUN([AM_PROG_INSTALL_SH],
 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
-install_sh=${install_sh-"\$(SHELL) $am_aux_dir/install-sh"}
+if test x"${install_sh}" != xset; then
+  case $am_aux_dir in
+  *\ * | *\	*)
+    install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
+  *)
+    install_sh="\${SHELL} $am_aux_dir/install-sh"
+  esac
+fi
 AC_SUBST(install_sh)])
 
 # Copyright (C) 2003, 2005  Free Software Foundation, Inc.
@@ -544,13 +589,13 @@ AC_SUBST([am__leading_dot])])
 
 # Check to see how 'make' treats includes.	            -*- Autoconf -*-
 
-# Copyright (C) 2001, 2002, 2003, 2005  Free Software Foundation, Inc.
+# Copyright (C) 2001, 2002, 2003, 2005, 2009  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_MAKE_INCLUDE()
 # -----------------
@@ -559,7 +604,7 @@ AC_DEFUN([AM_MAKE_INCLUDE],
 [am_make=${MAKE-make}
 cat > confinc << 'END'
 am__doit:
-	@echo done
+	@echo this is the am__doit target
 .PHONY: am__doit
 END
 # If we don't find an include directive, just comment out the code.
@@ -569,24 +614,24 @@ am__quote=
 _am_result=none
 # First try GNU make style include.
 echo "include confinc" > confmf
-# We grep out `Entering directory' and `Leaving directory'
-# messages which can occur if `w' ends up in MAKEFLAGS.
-# In particular we don't look at `^make:' because GNU make might
-# be invoked under some other name (usually "gmake"), in which
-# case it prints its new name instead of `make'.
-if test "`$am_make -s -f confmf 2> /dev/null | grep -v 'ing directory'`" = "done"; then
-   am__include=include
-   am__quote=
-   _am_result=GNU
-fi
+# Ignore all kinds of additional output from `make'.
+case `$am_make -s -f confmf 2> /dev/null` in #(
+*the\ am__doit\ target*)
+  am__include=include
+  am__quote=
+  _am_result=GNU
+  ;;
+esac
 # Now try BSD make style include.
 if test "$am__include" = "#"; then
    echo '.include "confinc"' > confmf
-   if test "`$am_make -s -f confmf 2> /dev/null`" = "done"; then
-      am__include=.include
-      am__quote="\""
-      _am_result=BSD
-   fi
+   case `$am_make -s -f confmf 2> /dev/null` in #(
+   *the\ am__doit\ target*)
+     am__include=.include
+     am__quote="\""
+     _am_result=BSD
+     ;;
+   esac
 fi
 AC_SUBST([am__include])
 AC_SUBST([am__quote])
@@ -596,14 +641,14 @@ rm -f confinc confmf
 
 # Fake the existence of programs that GNU maintainers use.  -*- Autoconf -*-
 
-# Copyright (C) 1997, 1999, 2000, 2001, 2003, 2004, 2005
+# Copyright (C) 1997, 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_MISSING_PROG(NAME, PROGRAM)
 # ------------------------------
@@ -620,7 +665,14 @@ AC_SUBST($1)])
 AC_DEFUN([AM_MISSING_HAS_RUN],
 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
 AC_REQUIRE_AUX_FILE([missing])dnl
-test x"${MISSING+set}" = xset || MISSING="\${SHELL} $am_aux_dir/missing"
+if test x"${MISSING+set}" != xset; then
+  case $am_aux_dir in
+  *\ * | *\	*)
+    MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;;
+  *)
+    MISSING="\${SHELL} $am_aux_dir/missing" ;;
+  esac
+fi
 # Use eval to expand $SHELL
 if eval "$MISSING --run true"; then
   am_missing_run="$MISSING --run "
@@ -691,14 +743,14 @@ AC_DEFUN([_AM_IF_OPTION],
 
 # Check to make sure that the build environment is sane.    -*- Autoconf -*-
 
-# Copyright (C) 1996, 1997, 2000, 2001, 2003, 2005
+# Copyright (C) 1996, 1997, 2000, 2001, 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 4
+# serial 5
 
 # AM_SANITY_CHECK
 # ---------------
@@ -707,16 +759,29 @@ AC_DEFUN([AM_SANITY_CHECK],
 # Just in case
 sleep 1
 echo timestamp > conftest.file
+# Reject unsafe characters in $srcdir or the absolute working directory
+# name.  Accept space and tab only in the latter.
+am_lf='
+'
+case `pwd` in
+  *[[\\\"\#\$\&\'\`$am_lf]]*)
+    AC_MSG_ERROR([unsafe absolute working directory name]);;
+esac
+case $srcdir in
+  *[[\\\"\#\$\&\'\`$am_lf\ \	]]*)
+    AC_MSG_ERROR([unsafe srcdir value: `$srcdir']);;
+esac
+
 # Do `set' in a subshell so we don't clobber the current shell's
 # arguments.  Must try -L first in case configure is actually a
 # symlink; some systems play weird games with the mod time of symlinks
 # (eg FreeBSD returns the mod time of the symlink's containing
 # directory).
 if (
-   set X `ls -Lt $srcdir/configure conftest.file 2> /dev/null`
+   set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
    if test "$[*]" = "X"; then
       # -L didn't work.
-      set X `ls -t $srcdir/configure conftest.file`
+      set X `ls -t "$srcdir/configure" conftest.file`
    fi
    rm -f conftest.file
    if test "$[*]" != "X $srcdir/configure conftest.file" \
@@ -769,18 +834,25 @@ fi
 INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
 AC_SUBST([INSTALL_STRIP_PROGRAM])])
 
-# Copyright (C) 2006  Free Software Foundation, Inc.
+# Copyright (C) 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 2
+
 # _AM_SUBST_NOTMAKE(VARIABLE)
 # ---------------------------
 # Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
 # This macro is traced by Automake.
 AC_DEFUN([_AM_SUBST_NOTMAKE])
 
+# AM_SUBST_NOTMAKE(VARIABLE)
+# ---------------------------
+# Public sister of _AM_SUBST_NOTMAKE.
+AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
+
 # Check how to create a tarball.                            -*- Autoconf -*-
 
 # Copyright (C) 2004, 2005  Free Software Foundation, Inc.
diff --git a/config.h b/config.h
index b8e669d..e0d8cab 100644
--- a/config.h
+++ b/config.h
@@ -115,7 +115,7 @@
 #define PACKAGE_NAME "polyglot"
 
 /* Define to the full name and version of this package. */
-#define PACKAGE_STRING "polyglot 1.4.56b"
+#define PACKAGE_STRING "polyglot 1.4.58b"
 
 /* Define to the one symbol short name of this package. */
 #define PACKAGE_TARNAME "polyglot"
@@ -124,7 +124,7 @@
 #define PACKAGE_URL ""
 
 /* Define to the version of this package. */
-#define PACKAGE_VERSION "1.4.56b"
+#define PACKAGE_VERSION "1.4.58b"
 
 /* Define as the return type of signal handlers (`int' or `void'). */
 #define RETSIGTYPE void
@@ -145,7 +145,7 @@
 #define TIME_WITH_SYS_TIME 1
 
 /* Version number of package */
-#define VERSION "1.4.56b"
+#define VERSION "1.4.58b"
 
 /* Define to empty if `const' does not conform to ANSI C. */
 /* #undef const */
diff --git a/configure b/configure
index 755cfe5..8015143 100755
--- a/configure
+++ b/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.64 for polyglot 1.4.56b.
+# Generated by GNU Autoconf 2.64 for polyglot 1.4.58b.
 #
 # Report bugs to <michel.vandenbergh@uhasselt.be>.
 #
@@ -549,8 +549,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='polyglot'
 PACKAGE_TARNAME='polyglot'
-PACKAGE_VERSION='1.4.56b'
-PACKAGE_STRING='polyglot 1.4.56b'
+PACKAGE_VERSION='1.4.58b'
+PACKAGE_STRING='polyglot 1.4.58b'
 PACKAGE_BUGREPORT='michel.vandenbergh@uhasselt.be'
 PACKAGE_URL=''
 
@@ -591,7 +591,9 @@ ac_includes_default="\
 # include <unistd.h>
 #endif"
 
-ac_subst_vars='LTLIBOBJS
+ac_subst_vars='am__EXEEXT_FALSE
+am__EXEEXT_TRUE
+LTLIBOBJS
 LIBOBJS
 EGREP
 GREP
@@ -1228,7 +1230,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures polyglot 1.4.56b to adapt to many kinds of systems.
+\`configure' configures polyglot 1.4.58b to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1294,7 +1296,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of polyglot 1.4.56b:";;
+     short | recursive ) echo "Configuration of polyglot 1.4.58b:";;
    esac
   cat <<\_ACEOF
 
@@ -1381,7 +1383,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-polyglot configure 1.4.56b
+polyglot configure 1.4.58b
 generated by GNU Autoconf 2.64
 
 Copyright (C) 2009 Free Software Foundation, Inc.
@@ -1806,7 +1808,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by polyglot $as_me 1.4.56b, which was
+It was created by polyglot $as_me 1.4.58b, which was
 generated by GNU Autoconf 2.64.  Invocation command line was
 
   $ $0 $@
@@ -2153,7 +2155,7 @@ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
-am__api_version='1.10'
+am__api_version='1.11'
 
 ac_aux_dir=
 for ac_dir in "$srcdir" "$srcdir/.." "$srcdir/../.."; do
@@ -2276,16 +2278,29 @@ $as_echo_n "checking whether build environment is sane... " >&6; }
 # Just in case
 sleep 1
 echo timestamp > conftest.file
+# Reject unsafe characters in $srcdir or the absolute working directory
+# name.  Accept space and tab only in the latter.
+am_lf='
+'
+case `pwd` in
+  *[\\\"\#\$\&\'\`$am_lf]*)
+    as_fn_error "unsafe absolute working directory name" "$LINENO" 5;;
+esac
+case $srcdir in
+  *[\\\"\#\$\&\'\`$am_lf\ \	]*)
+    as_fn_error "unsafe srcdir value: \`$srcdir'" "$LINENO" 5;;
+esac
+
 # Do `set' in a subshell so we don't clobber the current shell's
 # arguments.  Must try -L first in case configure is actually a
 # symlink; some systems play weird games with the mod time of symlinks
 # (eg FreeBSD returns the mod time of the symlink's containing
 # directory).
 if (
-   set X `ls -Lt $srcdir/configure conftest.file 2> /dev/null`
+   set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null`
    if test "$*" = "X"; then
       # -L didn't work.
-      set X `ls -t $srcdir/configure conftest.file`
+      set X `ls -t "$srcdir/configure" conftest.file`
    fi
    rm -f conftest.file
    if test "$*" != "X $srcdir/configure conftest.file" \
@@ -2323,7 +2338,14 @@ program_transform_name=`$as_echo "$program_transform_name" | sed "$ac_script"`
 # expand $ac_aux_dir to an absolute path
 am_aux_dir=`cd $ac_aux_dir && pwd`
 
-test x"${MISSING+set}" = xset || MISSING="\${SHELL} $am_aux_dir/missing"
+if test x"${MISSING+set}" != xset; then
+  case $am_aux_dir in
+  *\ * | *\	*)
+    MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;;
+  *)
+    MISSING="\${SHELL} $am_aux_dir/missing" ;;
+  esac
+fi
 # Use eval to expand $SHELL
 if eval "$MISSING --run true"; then
   am_missing_run="$MISSING --run "
@@ -2333,6 +2355,115 @@ else
 $as_echo "$as_me: WARNING: \`missing' script is too old or missing" >&2;}
 fi
 
+if test x"${install_sh}" != xset; then
+  case $am_aux_dir in
+  *\ * | *\	*)
+    install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
+  *)
+    install_sh="\${SHELL} $am_aux_dir/install-sh"
+  esac
+fi
+
+# Installed binaries are usually stripped using `strip' when the user
+# run `make install-strip'.  However `strip' might not be the right
+# tool to use in cross-compilation environments, therefore Automake
+# will honor the `STRIP' environment variable to overrule this program.
+if test "$cross_compiling" != no; then
+  if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args.
+set dummy ${ac_tool_prefix}strip; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_STRIP+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$STRIP"; then
+  ac_cv_prog_STRIP="$STRIP" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_STRIP="${ac_tool_prefix}strip"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+STRIP=$ac_cv_prog_STRIP
+if test -n "$STRIP"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $STRIP" >&5
+$as_echo "$STRIP" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_STRIP"; then
+  ac_ct_STRIP=$STRIP
+  # Extract the first word of "strip", so it can be a program name with args.
+set dummy strip; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if test "${ac_cv_prog_ac_ct_STRIP+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$ac_ct_STRIP"; then
+  ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+    ac_cv_prog_ac_ct_STRIP="strip"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP
+if test -n "$ac_ct_STRIP"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_STRIP" >&5
+$as_echo "$ac_ct_STRIP" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_ct_STRIP" = x; then
+    STRIP=":"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    STRIP=$ac_ct_STRIP
+  fi
+else
+  STRIP="$ac_cv_prog_STRIP"
+fi
+
+fi
+INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
+
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for a thread-safe mkdir -p" >&5
 $as_echo_n "checking for a thread-safe mkdir -p... " >&6; }
 if test -z "$MKDIR_P"; then
@@ -2485,7 +2616,7 @@ fi
 
 # Define the identity of the package.
  PACKAGE='polyglot'
- VERSION='1.4.56b'
+ VERSION='1.4.58b'
 
 
 cat >>confdefs.h <<_ACEOF
@@ -2513,108 +2644,6 @@ AUTOHEADER=${AUTOHEADER-"${am_missing_run}autoheader"}
 
 MAKEINFO=${MAKEINFO-"${am_missing_run}makeinfo"}
 
-install_sh=${install_sh-"\$(SHELL) $am_aux_dir/install-sh"}
-
-# Installed binaries are usually stripped using `strip' when the user
-# run `make install-strip'.  However `strip' might not be the right
-# tool to use in cross-compilation environments, therefore Automake
-# will honor the `STRIP' environment variable to overrule this program.
-if test "$cross_compiling" != no; then
-  if test -n "$ac_tool_prefix"; then
-  # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args.
-set dummy ${ac_tool_prefix}strip; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_STRIP+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$STRIP"; then
-  ac_cv_prog_STRIP="$STRIP" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
-    ac_cv_prog_STRIP="${ac_tool_prefix}strip"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-fi
-fi
-STRIP=$ac_cv_prog_STRIP
-if test -n "$STRIP"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $STRIP" >&5
-$as_echo "$STRIP" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-fi
-if test -z "$ac_cv_prog_STRIP"; then
-  ac_ct_STRIP=$STRIP
-  # Extract the first word of "strip", so it can be a program name with args.
-set dummy strip; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_STRIP+set}" = set; then :
-  $as_echo_n "(cached) " >&6
-else
-  if test -n "$ac_ct_STRIP"; then
-  ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
-    ac_cv_prog_ac_ct_STRIP="strip"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-fi
-fi
-ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP
-if test -n "$ac_ct_STRIP"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_STRIP" >&5
-$as_echo "$ac_ct_STRIP" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-  if test "x$ac_ct_STRIP" = x; then
-    STRIP=":"
-  else
-    case $cross_compiling:$ac_tool_warned in
-yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
-ac_tool_warned=yes ;;
-esac
-    STRIP=$ac_ct_STRIP
-  fi
-else
-  STRIP="$ac_cv_prog_STRIP"
-fi
-
-fi
-INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
-
 # We need awk for the "check" target.  The system "awk" is bad on
 # some platforms.
 # Always define AMTAR for backward compatibility.
@@ -3406,7 +3435,7 @@ ac_config_commands="$ac_config_commands depfiles"
 am_make=${MAKE-make}
 cat > confinc << 'END'
 am__doit:
-	@echo done
+	@echo this is the am__doit target
 .PHONY: am__doit
 END
 # If we don't find an include directive, just comment out the code.
@@ -3417,24 +3446,24 @@ am__quote=
 _am_result=none
 # First try GNU make style include.
 echo "include confinc" > confmf
-# We grep out `Entering directory' and `Leaving directory'
-# messages which can occur if `w' ends up in MAKEFLAGS.
-# In particular we don't look at `^make:' because GNU make might
-# be invoked under some other name (usually "gmake"), in which
-# case it prints its new name instead of `make'.
-if test "`$am_make -s -f confmf 2> /dev/null | grep -v 'ing directory'`" = "done"; then
-   am__include=include
-   am__quote=
-   _am_result=GNU
-fi
+# Ignore all kinds of additional output from `make'.
+case `$am_make -s -f confmf 2> /dev/null` in #(
+*the\ am__doit\ target*)
+  am__include=include
+  am__quote=
+  _am_result=GNU
+  ;;
+esac
 # Now try BSD make style include.
 if test "$am__include" = "#"; then
    echo '.include "confinc"' > confmf
-   if test "`$am_make -s -f confmf 2> /dev/null`" = "done"; then
-      am__include=.include
-      am__quote="\""
-      _am_result=BSD
-   fi
+   case `$am_make -s -f confmf 2> /dev/null` in #(
+   *the\ am__doit\ target*)
+     am__include=.include
+     am__quote="\""
+     _am_result=BSD
+     ;;
+   esac
 fi
 
 
@@ -3491,6 +3520,11 @@ else
   if test "$am_compiler_list" = ""; then
      am_compiler_list=`sed -n 's/^#*\([a-zA-Z0-9]*\))$/\1/p' < ./depcomp`
   fi
+  am__universal=false
+  case " $depcc " in #(
+     *\ -arch\ *\ -arch\ *) am__universal=true ;;
+     esac
+
   for depmode in $am_compiler_list; do
     # Setup a source with many dependencies, because some compilers
     # like to wrap large dependency lists on column 80 (with \), and
@@ -3508,7 +3542,17 @@ else
     done
     echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf
 
+    # We check with `-c' and `-o' for the sake of the "dashmstdout"
+    # mode.  It turns out that the SunPro C++ compiler does not properly
+    # handle `-M -o', and we need to detect this.  Also, some Intel
+    # versions had trouble with output in subdirs
+    am__obj=sub/conftest.${OBJEXT-o}
+    am__minus_obj="-o $am__obj"
     case $depmode in
+    gcc)
+      # This depmode causes a compiler race in universal mode.
+      test "$am__universal" = false || continue
+      ;;
     nosideeffect)
       # after this tag, mechanisms are not by side-effect, so they'll
       # only be used when explicitly requested
@@ -3518,19 +3562,23 @@ else
 	break
       fi
       ;;
+    msvisualcpp | msvcmsys)
+      # This compiler won't grok `-c -o', but also, the minuso test has
+      # not run yet.  These depmodes are late enough in the game, and
+      # so weak that their functioning should not be impacted.
+      am__obj=conftest.${OBJEXT-o}
+      am__minus_obj=
+      ;;
     none) break ;;
     esac
-    # We check with `-c' and `-o' for the sake of the "dashmstdout"
-    # mode.  It turns out that the SunPro C++ compiler does not properly
-    # handle `-M -o', and we need to detect this.
     if depmode=$depmode \
-       source=sub/conftest.c object=sub/conftest.${OBJEXT-o} \
+       source=sub/conftest.c object=$am__obj \
        depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
-       $SHELL ./depcomp $depcc -c -o sub/conftest.${OBJEXT-o} sub/conftest.c \
+       $SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \
          >/dev/null 2>conftest.err &&
        grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 &&
        grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
-       grep sub/conftest.${OBJEXT-o} sub/conftest.Po > /dev/null 2>&1 &&
+       grep $am__obj sub/conftest.Po > /dev/null 2>&1 &&
        ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
       # icc doesn't choke on unknown options, it will just issue warnings
       # or remarks (even with -Werror).  So we grep stderr for any message
@@ -4916,6 +4964,14 @@ LIBOBJS=$ac_libobjs
 LTLIBOBJS=$ac_ltlibobjs
 
 
+ if test -n "$EXEEXT"; then
+  am__EXEEXT_TRUE=
+  am__EXEEXT_FALSE='#'
+else
+  am__EXEEXT_TRUE='#'
+  am__EXEEXT_FALSE=
+fi
+
 if test -z "${AMDEP_TRUE}" && test -z "${AMDEP_FALSE}"; then
   as_fn_error "conditional \"AMDEP\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
@@ -5332,7 +5388,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by polyglot $as_me 1.4.56b, which was
+This file was extended by polyglot $as_me 1.4.58b, which was
 generated by GNU Autoconf 2.64.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -5396,7 +5452,7 @@ Report bugs to <michel.vandenbergh@uhasselt.be>."
 _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_version="\\
-polyglot config.status 1.4.56b
+polyglot config.status 1.4.58b
 configured by $0, generated by GNU Autoconf 2.64,
   with options \\"`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`\\"
 
diff --git a/configure.ac b/configure.ac
index 2ab3587..183fc62 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2,7 +2,7 @@
 # Process this file with autoconf to produce a configure script.
 
 AC_PREREQ(2.61)
-AC_INIT([polyglot], [1.4.56b], [michel.vandenbergh@uhasselt.be])
+AC_INIT([polyglot], [1.4.58b], [michel.vandenbergh@uhasselt.be])
 AM_INIT_AUTOMAKE
 AC_CONFIG_SRCDIR([mainloop.c])
 AC_CONFIG_HEADER([config.h])
diff --git a/engine.c b/engine.c
index 5cfea07..af6555a 100644
--- a/engine.c
+++ b/engine.c
@@ -51,12 +51,26 @@ void engine_send(engine_t * engine, const char *format, ...) {
 
 void engine_close(engine_t * engine){
     char string[StringSize];
+    int elapsed_time;
+    int ret;
+    int close_timeout=500;
+    my_log("POLYGLOT Closing engine.\n");
     pipex_send_eof(engine->pipex);
         // TODO: Timeout
-    while (!engine_eof(engine)) { 
-      engine_get(engine,string);
+
+    elapsed_time=0;
+    while (!engine_eof(engine) && (elapsed_time<close_timeout)) { 
+      ret=engine_get_non_blocking(engine,string);
+      if(!ret  && !engine_eof(engine)){
+	my_log("POLYGLOT Engine does not reply. Sleeping %dms.\n", WAIT_GRANULARITY);
+	my_sleep(WAIT_GRANULARITY);
+	elapsed_time+=WAIT_GRANULARITY;
+      }
+    }
+    if(elapsed_time>=close_timeout){
+      my_log("POLYGLOT Waited more than %dms. Moving on.\n",close_timeout); 
     }
-    pipex_exit(engine->pipex);
+    pipex_exit(engine->pipex,200);
 }
 
 // engine_open()
diff --git a/io.c b/io.c
index 478f731..6e9dde7 100644
--- a/io.c
+++ b/io.c
@@ -11,6 +11,7 @@
 #include <string.h>
 
 #include <sys/types.h>
+#include <sys/select.h>
 #include <unistd.h>
 
 #include "io.h"
@@ -63,6 +64,27 @@ void io_init(io_t * io) {
    ASSERT(io_is_ok(io));
 }
 
+// io_peek()
+
+bool io_peek(io_t * io){
+    fd_set set[1];
+    int fd_max;
+    int ret;
+    struct timeval tv;
+    tv.tv_sec=0;
+    tv.tv_usec=0;
+  
+    FD_ZERO(set);
+    FD_SET(io->in_fd,set);
+    fd_max=io->in_fd;
+    ret=select(fd_max+1,set,NULL,NULL,&tv);
+    if(ret>0){
+	return TRUE;
+    }else{
+	return FALSE;
+    }
+}
+
 // io_close()
 
 void io_close(io_t * io) {
diff --git a/io.h b/io.h
index 7832262..2e048ff 100644
--- a/io.h
+++ b/io.h
@@ -39,6 +39,8 @@ extern void io_close      (io_t * io);
 
 extern void io_get_update (io_t * io);
 
+extern bool io_peek       (io_t * io);
+
 extern bool io_line_ready (const io_t * io);
 extern bool io_get_line   (io_t * io, char string[], int size);
 
diff --git a/main.c b/main.c
index a98829d..21bbe17 100644
--- a/main.c
+++ b/main.c
@@ -39,10 +39,10 @@
 // constants
 
 
-static const char * const Version = "1.4.56b";
+static const char * const Version = "1.4.58b";
 static const char * const HelpMessage = "\
 SYNTAX\n\
-* polyglot [configfile] [-noini] [-ec engine] [-ed enginedirectory] [-en enginename] [-log] [-lf logfile] [-hash value] [-bk book] [-pg <name>=<value>]* [-uci <name>=<value>]*\n\
+* polyglot [configfile] [-noini] [-ec engine] [-ed enginedirectory] [-en enginename] [-log true/false] [-lf logfile] [-pg <name>=<value>]* [-uci <name>=<value>]*\n\
 * polyglot make-book [-pgn inputfile] [-bin outputfile] [-max-ply ply] [-min-game games] [-min-score score] [-only-white] [-only-black] [-uniform]\n\
 * polyglot merge-book -in1 inputfile1 -in2 inputfile2 [-out outputfile]\n\
 * polyglot info-book [-bin inputfile] [-exact]\n\
@@ -639,7 +639,6 @@ void quit() {
         stop_search();
 	Engine->pipex->quit_pending=TRUE;
         engine_send(Engine,"quit");
-        my_log("POLYGLOT Closing engine\n");
         engine_close(Engine);
         
     }
diff --git a/option.c b/option.c
index c975c83..46f4338 100644
--- a/option.c
+++ b/option.c
@@ -55,7 +55,7 @@ option_t DefaultOptions[] = {
     { "BookFile",         "file","0","0",       "book.bin"  , NULL,0,NNB,  PG|XBOARD|XBSEL|UCI}, 
 
     { "BookRandom",       "check","0","0",      "true"      , NULL,0,NNB,  PG|XBOARD|XBSEL|UCI}, 
-    { "BookDepth",        "spin","0","256",     "256"       , NULL,0,NNB,  PG|XBOARD|XBSEL}, 
+    { "BookDepth",        "spin","0","256",     "256"       , NULL,0,NNB,  PG|XBOARD|XBSEL|UCI}, 
     { "BookTreshold",     "spin","0","1000",    "5"         , NULL,0,NNB,  PG|XBOARD|UCI}, 
     { "BookLearn",        "check","0","0",      "false"     , NULL,0,NNB,  PG|XBOARD}, 
 
diff --git a/pipex.h b/pipex.h
index 8c0f67d..ddc5d15 100644
--- a/pipex.h
+++ b/pipex.h
@@ -81,24 +81,27 @@ typedef struct {
 // macros
 
 #define PIPEX_MAGIC "!@#$%"
+#define WAIT_GRANULARITY 100
 
 // functions 
 
-extern void pipex_open         (pipex_t *pipex, 
-                                const char *name,
-                                const char *working_dir,
-                                const char *command);
-extern bool pipex_active       (pipex_t *pipex);
-extern bool pipex_readln       (pipex_t *pipex, char *string);
-extern bool pipex_readln_nb    (pipex_t *pipex, char *string);
-extern void pipex_writeln      (pipex_t *pipex, const char *string);
-extern void pipex_write        (pipex_t *pipex, const char *string);
-extern bool pipex_eof          (pipex_t *pipex);
-extern void pipex_send_eof     (pipex_t *pipex);
-extern void pipex_exit         (pipex_t *pipex);
-extern void pipex_set_priority (pipex_t *pipex, int value);
-extern void pipex_set_affinity (pipex_t *pipex, int value);
-extern void pipex_wait_event   (pipex_t *pipex[]);
+extern void  pipex_open         (pipex_t *pipex, 
+                                 const char *name,
+                                 const char *working_dir,
+                                 const char *command);
+extern bool  pipex_active       (pipex_t *pipex);
+extern bool  pipex_readln       (pipex_t *pipex, char *string);
+extern bool  pipex_readln_nb    (pipex_t *pipex, char *string);
+extern void  pipex_writeln      (pipex_t *pipex, const char *string);
+extern void  pipex_write        (pipex_t *pipex, const char *string);
+extern char* pipex_get_buffer   (pipex_t *pipex);
+extern bool  pipex_eof          (pipex_t *pipex);
+extern void  pipex_send_eof     (pipex_t *pipex);
+extern void  pipex_exit         (pipex_t *pipex, int kill_timeout);
+extern void  pipex_set_priority (pipex_t *pipex, int value);
+extern void  pipex_set_affinity (pipex_t *pipex, int value);
+extern void  pipex_wait_event   (pipex_t *pipex[]);
+
 
 // pipex
 
diff --git a/pipex_posix.c b/pipex_posix.c
index f53d74f..e1f6613 100644
--- a/pipex_posix.c
+++ b/pipex_posix.c
@@ -238,10 +238,40 @@ void pipex_send_eof(pipex_t *pipex){
 
 // pipex_exit()
 
-void pipex_exit(pipex_t *pipex){
+/* This routine waits for kill_timeout milliseconds for 
+ * the process to exit by itself. If that doesn't
+ * happen it will kill the process.
+ */
+
+
+
+void pipex_exit(pipex_t *pipex, int kill_timeout){
     int status;
+    int elapsed_time;
+    bool exited;
+    int ret;
+
     my_log("POLYGLOT Waiting for child process to exit.\n");
-    waitpid(pipex->pid,&status,0);
+
+    elapsed_time=0;
+    exited=FALSE;
+    ret=0;
+    while(elapsed_time<kill_timeout){
+      ret=waitpid(pipex->pid,&status,WNOHANG);
+      if(ret==0){
+	my_log("POLYGLOT Child has not exited yet. Sleeping %dms.\n", WAIT_GRANULARITY);
+	my_sleep(WAIT_GRANULARITY);
+	elapsed_time+=WAIT_GRANULARITY;
+      }else{
+	exited=TRUE;
+	break;
+      }
+    }
+    if(!exited){
+      my_log("POLYGLOT Child wouldn't exit by itself. Terminating it.\n");
+      kill(pipex->pid,SIGKILL);
+      waitpid(pipex->pid,&status,0);    
+    }
     if(WIFEXITED(status)){
       if(pipex->quit_pending){
 	my_log("POLYGLOT Child exited with status %d.\n",WEXITSTATUS(status));
@@ -262,6 +292,12 @@ void pipex_exit(pipex_t *pipex){
     return;
 }
 
+// pipex_get_buffer()
+
+char * pipex_get_buffer(pipex_t *pipex){
+  return pipex->io->in_buffer;
+}
+
 // pipex_readln()
 
 bool pipex_readln(pipex_t *pipex, char *string){
@@ -283,12 +319,21 @@ bool pipex_readln(pipex_t *pipex, char *string){
 // pipex_readln_nb()
 
 bool pipex_readln_nb(pipex_t *pipex, char *string){
-    if(io_line_ready(pipex->io)){
-        return pipex_readln(pipex,string);
-    }else{  
-        string[0]='\0';
-        return FALSE;
-    }
+
+  while(!pipex->io->in_eof && io_peek(pipex->io)){
+    io_get_update(pipex->io);
+  }
+  
+  if(io_line_ready(pipex->io)){
+    return pipex_readln(pipex,string);
+  }else if(pipex->io->in_eof){
+    string[0]='\0';
+    pipex->state|=PIPEX_EOF;
+    return FALSE;
+  }else {  
+    string[0]='\0';
+    return FALSE;
+  }
 }
 
 // pipex_write()
diff --git a/pipex_win32.c b/pipex_win32.c
index 0d6fc7b..41431b3 100644
--- a/pipex_win32.c
+++ b/pipex_win32.c
@@ -193,21 +193,47 @@ void pipex_send_eof(pipex_t *pipex)  {
 
 // pipex_exit()
 
-void pipex_exit(pipex_t *pipex) {
+/* This routine waits for kill_timeout milliseconds for 
+ * the process to exit by itself. If that doesn't
+ * happen it will kill the process.
+ */
+
+void pipex_exit(pipex_t *pipex, int kill_timeout) {
     DWORD lpexit;
+    int elapsed_time;
+    bool exited;
     CloseHandle(pipex->hInput);
     CloseHandle(pipex->hOutput);
+    //	ExitProcess(pipex->hProcess,0);
+
+    my_log("POLYGLOT Waiting for child process to exit.\n");
+    elapsed_time=0;
+    exited=FALSE;
+
+    while(elapsed_time<kill_timeout){
+	GetExitCodeProcess(pipex->hProcess,&lpexit);
+	if(lpexit==STILL_ACTIVE){
+	    my_log("POLYGLOT Child has not exited yet. Sleeping %dms.\n", WAIT_GRANULARITY);
+	    my_sleep(WAIT_GRANULARITY);
+	    elapsed_time+=WAIT_GRANULARITY;
+	}else{
+	    exited=TRUE;
+	    break;
+	}
+    }
+ 
+    if(!exited){
+      my_log("POLYGLOT Child wouldn't exit by itself. Terminating it.\n");
+      TerminateProcess(pipex->hProcess,lpexit);
+    }
+    CloseHandle(pipex->hProcess);    
+
     if(!pipex->quit_pending){
       // suppress further errors
       pipex->quit_pending=TRUE;
       my_fatal("pipex_exit(): %s: child exited unexpectedly.\n",pipex->command);
     }
-    if(GetExitCodeProcess(pipex->hProcess,&lpexit)){
-        if(lpexit==STILL_ACTIVE)
-                //must be java,hammer it down!
-            TerminateProcess(pipex->hProcess,lpexit);
-    }
-	CloseHandle(pipex->hProcess);
+
 }
 
 // pipex_eof_input()
diff --git a/polyglot.man b/polyglot.man
index 51c2dc7..d50dd54 100644
--- a/polyglot.man
+++ b/polyglot.man
@@ -124,7 +124,7 @@
 .\" ========================================================================
 .\"
 .IX Title "POLYGLOT 6"
-.TH POLYGLOT 6 "2009-11-30" "" ""
+.TH POLYGLOT 6 "2010-04-25" "" ""
 .\" For nroff, turn off justification.  Always turn off hyphenation; it makes
 .\" way too many mistakes in technical documents.
 .if n .ad l
@@ -137,7 +137,7 @@ PolyGlot \-  Winboard protocol to UCI protocol adapter
          \-  a perft counter
 .SH "SYNOPSIS"
 .IX Header "SYNOPSIS"
-polyglot [configfile] [\-noini] [\-ec engine] [\-ed enginedirectory] [\-en enginename] [\-log] [\-lf logfile] [\-hash value] [\-bk book] [\-pg <name>=<value>]* [\-uci <name>=<value>]*
+polyglot [configfile] [\-noini] [\-ec engine] [\-ed enginedirectory] [\-en enginename] [\-log true/false] [\-lf logfile] [\-pg <name>=<value>]* [\-uci <name>=<value>]*
 .PP
 polyglot make-book [\-pgn inputfile] [\-bin outputfile] [\-max\-ply ply] [\-min\-game games] [\-min\-score score] [\-only\-white] [\-only\-black] [\-uniform]
 .PP
@@ -635,20 +635,19 @@ Running the \s-1UCI\s0 engine \*(L"fruit\*(R" under xboard 4.3.15 and later (thi
 \&    xboard \-fcp fruit \-fUCI
 .Ve
 .PP
-An explicit command line for using the \s-1UCI\s0 engine \*(L"fruit\*(R" with 128M hash in xboard with logging enabled (this also works on xboard 4.2.7).
+An explicit command line for using the \s-1UCI\s0 engine \*(L"fruit\*(R" with logging enabled (this works also with older versions of xboard).
 .PP
 .Vb 1
-\&    xboard \-fcp "polyglot \-noini \-log \-ec fruit \-hash 128"
+\&    xboard \-fcp "polyglot \-noini \-log true \-ec fruit"
 .Ve
 .PP
 The equivalent config file would be:
 .PP
-.Vb 5
+.Vb 4
 \&    [PolyGlot]
 \&    EngineCommand = fruit
 \&    Log = true
 \&    [Engine]
-\&    Hash=128
 .Ve
 .PP
 Compile \*(L"games.pgn\*(R" into a book \*(L"book.bin\*(R" retaining all lines of at
diff --git a/polyglot.pod b/polyglot.pod
index 415902f..c78fc6e 100644
--- a/polyglot.pod
+++ b/polyglot.pod
@@ -8,7 +8,7 @@ PolyGlot -  Winboard protocol to UCI protocol adapter
 
 =head1 SYNOPSIS
 
-polyglot [configfile] [-noini] [-ec engine] [-ed enginedirectory] [-en enginename] [-log] [-lf logfile] [-hash value] [-bk book] [-pg <name>=<value>]* [-uci <name>=<value>]*
+polyglot [configfile] [-noini] [-ec engine] [-ed enginedirectory] [-en enginename] [-log true/false] [-lf logfile] [-pg <name>=<value>]* [-uci <name>=<value>]*
 
 polyglot make-book [-pgn inputfile] [-bin outputfile] [-max-ply ply] [-min-game games] [-min-score score] [-only-white] [-only-black] [-uniform]
 
@@ -613,9 +613,9 @@ Running the UCI engine "fruit" under xboard 4.3.15 and later (this invokes PolyG
 
     xboard -fcp fruit -fUCI
 
-An explicit command line for using the UCI engine "fruit" with 128M hash in xboard with logging enabled (this also works on xboard 4.2.7).
+An explicit command line for using the UCI engine "fruit" with logging enabled (this works also with older versions of xboard).
 
-    xboard -fcp "polyglot -noini -log -ec fruit -hash 128"
+    xboard -fcp "polyglot -noini -log true -ec fruit"
 
 The equivalent config file would be:
 
@@ -623,7 +623,6 @@ The equivalent config file would be:
     EngineCommand = fruit
     Log = true
     [Engine]
-    Hash=128
 
 Compile "games.pgn" into a book "book.bin" retaining all lines of at
 most 30 plies.
diff --git a/polyglot.spec b/polyglot.spec
index a14d4da..ff927a3 100644
--- a/polyglot.spec
+++ b/polyglot.spec
@@ -1,6 +1,6 @@
 Summary: A Winboard protocol to UCI protocol adapter
 Name: polyglot
-Version: 1.4.56b
+Version: 1.4.58b
 Release: 1
 License: GPL
 Group: Amusement/Games
diff --git a/uci2uci.c b/uci2uci.c
index c9341bb..9d2a1a6 100644
--- a/uci2uci.c
+++ b/uci2uci.c
@@ -239,7 +239,8 @@ void uci2uci_gui_step(char string[]) {
              Init=FALSE;
          }
          SavedMove=MoveNone;
-         if(!strstr(string,"infinite")){
+         if(!strstr(string,"infinite") 
+	    && UCIboard->move_nb<option_get_int(Option,"BookDepth")){
              move=book_move(UCIboard,option_get_bool(Option,"BookRandom"));
              if (move != MoveNone && move_is_legal(move,UCIboard)) {
                  if(strstr(string,"ponder")){
diff --git a/xboard2uci.c b/xboard2uci.c
index c8c8354..06a2070 100644
--- a/xboard2uci.c
+++ b/xboard2uci.c
@@ -838,6 +838,7 @@ static void send_xboard_options(){
     gui_send(GUI,"feature pause=0");
     gui_send(GUI,"feature ping=1");
     gui_send(GUI,"feature playother=1");
+    gui_send(GUI,"feature sigint=1");
     gui_send(GUI,"feature reuse=1");
     gui_send(GUI,"feature san=0");
     gui_send(GUI,"feature setboard=1");