upgrade autotools
diff --git a/doc/docsrc/Makefile.in b/doc/docsrc/Makefile.in
index 437610c..d0ec240 100644
--- a/doc/docsrc/Makefile.in
+++ b/doc/docsrc/Makefile.in
@@ -1,8 +1,9 @@
-# Makefile.in generated by automake 1.10 from Makefile.am.
+# Makefile.in generated by automake 1.11.1 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, 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.
@@ -15,8 +16,9 @@
 @SET_MAKE@
 VPATH = @srcdir@
 pkgdatadir = $(datadir)/@PACKAGE@
-pkglibdir = $(libdir)/@PACKAGE@
 pkgincludedir = $(includedir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkglibexecdir = $(libexecdir)/@PACKAGE@
 am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
 install_sh_DATA = $(install_sh) -c -m 644
 install_sh_PROGRAM = $(install_sh) -c
@@ -43,6 +45,7 @@
 mkinstalldirs = $(SHELL) $(top_srcdir)/mkinstalldirs
 CONFIG_HEADER = $(top_builddir)/config.h
 CONFIG_CLEAN_FILES =
+CONFIG_CLEAN_VPATH_FILES =
 SOURCES =
 DIST_SOURCES =
 DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
@@ -158,6 +161,7 @@
 srcdir = @srcdir@
 sysconfdir = @sysconfdir@
 target_alias = @target_alias@
+top_build_prefix = @top_build_prefix@
 top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
 XELATEX_FLAGS = -halt-on-error -file-line-error
@@ -171,14 +175,14 @@
 	@for dep in $?; do \
 	  case '$(am__configure_deps)' in \
 	    *$$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) --foreign  doc/docsrc/Makefile'; \
-	cd $(top_srcdir) && \
-	  $(AUTOMAKE) --foreign  doc/docsrc/Makefile
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign doc/docsrc/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --foreign doc/docsrc/Makefile
 .PRECIOUS: Makefile
 Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
 	@case '$?' in \
@@ -196,6 +200,7 @@
 	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
 $(ACLOCAL_M4):  $(am__aclocal_m4_deps)
 	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
 
 mostlyclean-libtool:
 	-rm -f *.lo
@@ -225,13 +230,17 @@
 	  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 $(srcdir)/$$file && test $$d != $(srcdir); then \
-	      cp -pR $(srcdir)/$$file $(distdir)$$dir || exit 1; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
 	    fi; \
-	    cp -pR $$d/$$file $(distdir)$$dir || exit 1; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    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
@@ -260,6 +269,7 @@
 
 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"
@@ -278,6 +288,8 @@
 
 html: html-am
 
+html-am:
+
 info: info-am
 
 info-am:
@@ -286,18 +298,28 @@
 
 install-dvi: install-dvi-am
 
+install-dvi-am:
+
 install-exec-am:
 
 install-html: install-html-am
 
+install-html-am:
+
 install-info: install-info-am
 
+install-info-am:
+
 install-man:
 
 install-pdf: install-pdf-am
 
+install-pdf-am:
+
 install-ps: install-ps-am
 
+install-ps-am:
+
 installcheck-am:
 
 maintainer-clean: maintainer-clean-am
@@ -336,6 +358,7 @@
 	$(XELATEX) $(XELATEX_FLAGS) -no-pdf asn1c-usage
 	$(XELATEX) $(XELATEX_FLAGS) -no-pdf asn1c-usage
 	$(XELATEX) $(XELATEX_FLAGS) asn1c-usage
+
 # 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: