diff --git a/Makefile.in b/Makefile.in
index 31c9b81..ea0c943 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -91,7 +91,8 @@ host_triplet = @host@
 @ENABLE_STATIC_MODULE_FALSE@am__append_2 = lib mod
 subdir = .
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
-am__aclocal_m4_deps = $(top_srcdir)/m4/ax_cxx_namespace.m4 \
+am__aclocal_m4_deps = $(top_srcdir)/m4/ax_check_sign.m4 \
+	$(top_srcdir)/m4/ax_cxx_namespace.m4 \
 	$(top_srcdir)/m4/ax_numval.m4 $(top_srcdir)/m4/ax_pthread.m4 \
 	$(top_srcdir)/m4/libtool.m4 $(top_srcdir)/m4/ltoptions.m4 \
 	$(top_srcdir)/m4/ltsugar.m4 $(top_srcdir)/m4/ltversion.m4 \
@@ -165,8 +166,8 @@ am__DIST_COMMON = $(srcdir)/Makefile.in $(top_srcdir)/ac/ar-lib \
 	$(top_srcdir)/ac/compile $(top_srcdir)/ac/config.guess \
 	$(top_srcdir)/ac/config.sub $(top_srcdir)/ac/install-sh \
 	$(top_srcdir)/ac/ltmain.sh $(top_srcdir)/ac/missing ac/ar-lib \
-	ac/compile ac/config.guess ac/config.sub ac/install-sh \
-	ac/ltmain.sh ac/missing
+	ac/compile ac/config.guess ac/config.sub ac/depcomp \
+	ac/install-sh ac/ltmain.sh ac/missing
 DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
 distdir = $(PACKAGE)-$(VERSION)
 top_distdir = $(distdir)
@@ -352,6 +353,7 @@ pdfdir = @pdfdir@
 prefix = @prefix@
 program_transform_name = @program_transform_name@
 psdir = @psdir@
+runstatedir = @runstatedir@
 sbindir = @sbindir@
 sharedstatedir = @sharedstatedir@
 srcdir = @srcdir@
@@ -582,7 +584,7 @@ distdir: $(DISTFILES)
 	  ! -type d ! -perm -444 -exec $(install_sh) -c -m a+r {} {} \; \
 	|| chmod -R a+r "$(distdir)"
 dist-gzip: distdir
-	tardir=$(distdir) && $(am__tar) | eval GZIP= gzip $(GZIP_ENV) -c >$(distdir).tar.gz
+	tardir=$(distdir) && $(am__tar) | GZIP=$(GZIP_ENV) gzip -c >$(distdir).tar.gz
 	$(am__post_remove_distdir)
 
 dist-bzip2: distdir
@@ -608,7 +610,7 @@ dist-shar: distdir
 	@echo WARNING: "Support for shar distribution archives is" \
 	               "deprecated." >&2
 	@echo WARNING: "It will be removed altogether in Automake 2.0" >&2
-	shar $(distdir) | eval GZIP= gzip $(GZIP_ENV) -c >$(distdir).shar.gz
+	shar $(distdir) | GZIP=$(GZIP_ENV) gzip -c >$(distdir).shar.gz
 	$(am__post_remove_distdir)
 
 dist-zip: distdir
@@ -626,7 +628,7 @@ dist dist-all:
 distcheck: dist
 	case '$(DIST_ARCHIVES)' in \
 	*.tar.gz*) \
-	  eval GZIP= gzip $(GZIP_ENV) -dc $(distdir).tar.gz | $(am__untar) ;;\
+	  GZIP=$(GZIP_ENV) gzip -dc $(distdir).tar.gz | $(am__untar) ;;\
 	*.tar.bz2*) \
 	  bzip2 -dc $(distdir).tar.bz2 | $(am__untar) ;;\
 	*.tar.lz*) \
@@ -636,7 +638,7 @@ distcheck: dist
 	*.tar.Z*) \
 	  uncompress -c $(distdir).tar.Z | $(am__untar) ;;\
 	*.shar.gz*) \
-	  eval GZIP= gzip $(GZIP_ENV) -dc $(distdir).shar.gz | unshar ;;\
+	  GZIP=$(GZIP_ENV) gzip -dc $(distdir).shar.gz | unshar ;;\
 	*.zip*) \
 	  unzip $(distdir).zip ;;\
 	esac
diff --git a/ac/config.guess b/ac/config.guess
index dbfb978..2e9ad7f 100755
--- a/ac/config.guess
+++ b/ac/config.guess
@@ -1,8 +1,8 @@
 #! /bin/sh
 # Attempt to guess a canonical system name.
-#   Copyright 1992-2015 Free Software Foundation, Inc.
+#   Copyright 1992-2016 Free Software Foundation, Inc.
 
-timestamp='2015-01-01'
+timestamp='2016-10-02'
 
 # This file is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License as published by
@@ -27,7 +27,7 @@ timestamp='2015-01-01'
 # Originally written by Per Bothner; maintained since 2000 by Ben Elliston.
 #
 # You can get the latest version of this script from:
-# http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess;hb=HEAD
+# http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess
 #
 # Please send patches to <config-patches@gnu.org>.
 
@@ -50,7 +50,7 @@ version="\
 GNU config.guess ($timestamp)
 
 Originally written by Per Bothner.
-Copyright 1992-2015 Free Software Foundation, Inc.
+Copyright 1992-2016 Free Software Foundation, Inc.
 
 This is free software; see the source for copying conditions.  There is NO
 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
@@ -168,19 +168,29 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
 	# Note: NetBSD doesn't particularly care about the vendor
 	# portion of the name.  We always set it to "unknown".
 	sysctl="sysctl -n hw.machine_arch"
-	UNAME_MACHINE_ARCH=`(/sbin/$sysctl 2>/dev/null || \
-	    /usr/sbin/$sysctl 2>/dev/null || echo unknown)`
+	UNAME_MACHINE_ARCH=`(uname -p 2>/dev/null || \
+	    /sbin/$sysctl 2>/dev/null || \
+	    /usr/sbin/$sysctl 2>/dev/null || \
+	    echo unknown)`
 	case "${UNAME_MACHINE_ARCH}" in
 	    armeb) machine=armeb-unknown ;;
 	    arm*) machine=arm-unknown ;;
 	    sh3el) machine=shl-unknown ;;
 	    sh3eb) machine=sh-unknown ;;
 	    sh5el) machine=sh5le-unknown ;;
+	    earmv*)
+		arch=`echo ${UNAME_MACHINE_ARCH} | sed -e 's,^e\(armv[0-9]\).*$,\1,'`
+		endian=`echo ${UNAME_MACHINE_ARCH} | sed -ne 's,^.*\(eb\)$,\1,p'`
+		machine=${arch}${endian}-unknown
+		;;
 	    *) machine=${UNAME_MACHINE_ARCH}-unknown ;;
 	esac
 	# The Operating System including object format, if it has switched
-	# to ELF recently, or will in the future.
+	# to ELF recently (or will in the future) and ABI.
 	case "${UNAME_MACHINE_ARCH}" in
+	    earm*)
+		os=netbsdelf
+		;;
 	    arm*|i386|m68k|ns32k|sh3*|sparc|vax)
 		eval $set_cc_for_build
 		if echo __ELF__ | $CC_FOR_BUILD -E - 2>/dev/null \
@@ -197,6 +207,13 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
 		os=netbsd
 		;;
 	esac
+	# Determine ABI tags.
+	case "${UNAME_MACHINE_ARCH}" in
+	    earm*)
+		expr='s/^earmv[0-9]/-eabi/;s/eb$//'
+		abi=`echo ${UNAME_MACHINE_ARCH} | sed -e "$expr"`
+		;;
+	esac
 	# The OS release
 	# Debian GNU/NetBSD machines have a different userland, and
 	# thus, need a distinct triplet. However, they do not need
@@ -207,13 +224,13 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
 		release='-gnu'
 		;;
 	    *)
-		release=`echo ${UNAME_RELEASE}|sed -e 's/[-_].*/\./'`
+		release=`echo ${UNAME_RELEASE} | sed -e 's/[-_].*//' | cut -d. -f1,2`
 		;;
 	esac
 	# Since CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM:
 	# contains redundant information, the shorter form:
 	# CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM is used.
-	echo "${machine}-${os}${release}"
+	echo "${machine}-${os}${release}${abi}"
 	exit ;;
     *:Bitrig:*:*)
 	UNAME_MACHINE_ARCH=`arch | sed 's/Bitrig.//'`
@@ -223,6 +240,10 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
 	UNAME_MACHINE_ARCH=`arch | sed 's/OpenBSD.//'`
 	echo ${UNAME_MACHINE_ARCH}-unknown-openbsd${UNAME_RELEASE}
 	exit ;;
+    *:LibertyBSD:*:*)
+	UNAME_MACHINE_ARCH=`arch | sed 's/^.*BSD\.//'`
+	echo ${UNAME_MACHINE_ARCH}-unknown-libertybsd${UNAME_RELEASE}
+	exit ;;
     *:ekkoBSD:*:*)
 	echo ${UNAME_MACHINE}-unknown-ekkobsd${UNAME_RELEASE}
 	exit ;;
@@ -235,6 +256,9 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
     *:MirBSD:*:*)
 	echo ${UNAME_MACHINE}-unknown-mirbsd${UNAME_RELEASE}
 	exit ;;
+    *:Sortix:*:*)
+	echo ${UNAME_MACHINE}-unknown-sortix
+	exit ;;
     alpha:OSF1:*:*)
 	case $UNAME_RELEASE in
 	*4.0)
@@ -251,42 +275,42 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
 	ALPHA_CPU_TYPE=`/usr/sbin/psrinfo -v | sed -n -e 's/^  The alpha \(.*\) processor.*$/\1/p' | head -n 1`
 	case "$ALPHA_CPU_TYPE" in
 	    "EV4 (21064)")
-		UNAME_MACHINE="alpha" ;;
+		UNAME_MACHINE=alpha ;;
 	    "EV4.5 (21064)")
-		UNAME_MACHINE="alpha" ;;
+		UNAME_MACHINE=alpha ;;
 	    "LCA4 (21066/21068)")
-		UNAME_MACHINE="alpha" ;;
+		UNAME_MACHINE=alpha ;;
 	    "EV5 (21164)")
-		UNAME_MACHINE="alphaev5" ;;
+		UNAME_MACHINE=alphaev5 ;;
 	    "EV5.6 (21164A)")
-		UNAME_MACHINE="alphaev56" ;;
+		UNAME_MACHINE=alphaev56 ;;
 	    "EV5.6 (21164PC)")
-		UNAME_MACHINE="alphapca56" ;;
+		UNAME_MACHINE=alphapca56 ;;
 	    "EV5.7 (21164PC)")
-		UNAME_MACHINE="alphapca57" ;;
+		UNAME_MACHINE=alphapca57 ;;
 	    "EV6 (21264)")
-		UNAME_MACHINE="alphaev6" ;;
+		UNAME_MACHINE=alphaev6 ;;
 	    "EV6.7 (21264A)")
-		UNAME_MACHINE="alphaev67" ;;
+		UNAME_MACHINE=alphaev67 ;;
 	    "EV6.8CB (21264C)")
-		UNAME_MACHINE="alphaev68" ;;
+		UNAME_MACHINE=alphaev68 ;;
 	    "EV6.8AL (21264B)")
-		UNAME_MACHINE="alphaev68" ;;
+		UNAME_MACHINE=alphaev68 ;;
 	    "EV6.8CX (21264D)")
-		UNAME_MACHINE="alphaev68" ;;
+		UNAME_MACHINE=alphaev68 ;;
 	    "EV6.9A (21264/EV69A)")
-		UNAME_MACHINE="alphaev69" ;;
+		UNAME_MACHINE=alphaev69 ;;
 	    "EV7 (21364)")
-		UNAME_MACHINE="alphaev7" ;;
+		UNAME_MACHINE=alphaev7 ;;
 	    "EV7.9 (21364A)")
-		UNAME_MACHINE="alphaev79" ;;
+		UNAME_MACHINE=alphaev79 ;;
 	esac
 	# A Pn.n version is a patched version.
 	# A Vn.n version is a released version.
 	# A Tn.n version is a released field test version.
 	# A Xn.n version is an unreleased experimental baselevel.
 	# 1.2 uses "1.2" for uname -r.
-	echo ${UNAME_MACHINE}-dec-osf`echo ${UNAME_RELEASE} | sed -e 's/^[PVTX]//' | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'`
+	echo ${UNAME_MACHINE}-dec-osf`echo ${UNAME_RELEASE} | sed -e 's/^[PVTX]//' | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz`
 	# Reset EXIT trap before exiting to avoid spurious non-zero exit code.
 	exitcode=$?
 	trap '' 0
@@ -359,16 +383,16 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
 	exit ;;
     i86pc:SunOS:5.*:* | i86xen:SunOS:5.*:*)
 	eval $set_cc_for_build
-	SUN_ARCH="i386"
+	SUN_ARCH=i386
 	# If there is a compiler, see if it is configured for 64-bit objects.
 	# Note that the Sun cc does not turn __LP64__ into 1 like gcc does.
 	# This test works for both compilers.
-	if [ "$CC_FOR_BUILD" != 'no_compiler_found' ]; then
+	if [ "$CC_FOR_BUILD" != no_compiler_found ]; then
 	    if (echo '#ifdef __amd64'; echo IS_64BIT_ARCH; echo '#endif') | \
-		(CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | \
+		(CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \
 		grep IS_64BIT_ARCH >/dev/null
 	    then
-		SUN_ARCH="x86_64"
+		SUN_ARCH=x86_64
 	    fi
 	fi
 	echo ${SUN_ARCH}-pc-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
@@ -393,7 +417,7 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
 	exit ;;
     sun*:*:4.2BSD:*)
 	UNAME_RELEASE=`(sed 1q /etc/motd | awk '{print substr($5,1,3)}') 2>/dev/null`
-	test "x${UNAME_RELEASE}" = "x" && UNAME_RELEASE=3
+	test "x${UNAME_RELEASE}" = x && UNAME_RELEASE=3
 	case "`/bin/arch`" in
 	    sun3)
 		echo m68k-sun-sunos${UNAME_RELEASE}
@@ -618,13 +642,13 @@ EOF
 		    sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null`
 		    sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null`
 		    case "${sc_cpu_version}" in
-		      523) HP_ARCH="hppa1.0" ;; # CPU_PA_RISC1_0
-		      528) HP_ARCH="hppa1.1" ;; # CPU_PA_RISC1_1
+		      523) HP_ARCH=hppa1.0 ;; # CPU_PA_RISC1_0
+		      528) HP_ARCH=hppa1.1 ;; # CPU_PA_RISC1_1
 		      532)                      # CPU_PA_RISC2_0
 			case "${sc_kernel_bits}" in
-			  32) HP_ARCH="hppa2.0n" ;;
-			  64) HP_ARCH="hppa2.0w" ;;
-			  '') HP_ARCH="hppa2.0" ;;   # HP-UX 10.20
+			  32) HP_ARCH=hppa2.0n ;;
+			  64) HP_ARCH=hppa2.0w ;;
+			  '') HP_ARCH=hppa2.0 ;;   # HP-UX 10.20
 			esac ;;
 		    esac
 		fi
@@ -663,11 +687,11 @@ EOF
 		    exit (0);
 		}
 EOF
-		    (CCOPTS= $CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null) && HP_ARCH=`$dummy`
+		    (CCOPTS="" $CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null) && HP_ARCH=`$dummy`
 		    test -z "$HP_ARCH" && HP_ARCH=hppa
 		fi ;;
 	esac
-	if [ ${HP_ARCH} = "hppa2.0w" ]
+	if [ ${HP_ARCH} = hppa2.0w ]
 	then
 	    eval $set_cc_for_build
 
@@ -680,12 +704,12 @@ EOF
 	    # $ CC_FOR_BUILD="cc +DA2.0w" ./config.guess
 	    # => hppa64-hp-hpux11.23
 
-	    if echo __LP64__ | (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) |
+	    if echo __LP64__ | (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) |
 		grep -q __LP64__
 	    then
-		HP_ARCH="hppa2.0w"
+		HP_ARCH=hppa2.0w
 	    else
-		HP_ARCH="hppa64"
+		HP_ARCH=hppa64
 	    fi
 	fi
 	echo ${HP_ARCH}-hp-hpux${HPUX_REV}
@@ -790,14 +814,14 @@ EOF
 	echo craynv-cray-unicosmp${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
 	exit ;;
     F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*)
-	FUJITSU_PROC=`uname -m | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'`
-	FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'`
+	FUJITSU_PROC=`uname -m | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz`
+	FUJITSU_SYS=`uname -p | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/\///'`
 	FUJITSU_REL=`echo ${UNAME_RELEASE} | sed -e 's/ /_/'`
 	echo "${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}"
 	exit ;;
     5000:UNIX_System_V:4.*:*)
-	FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'`
-	FUJITSU_REL=`echo ${UNAME_RELEASE} | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/ /_/'`
+	FUJITSU_SYS=`uname -p | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/\///'`
+	FUJITSU_REL=`echo ${UNAME_RELEASE} | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz | sed -e 's/ /_/'`
 	echo "sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}"
 	exit ;;
     i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*)
@@ -879,7 +903,7 @@ EOF
 	exit ;;
     *:GNU/*:*:*)
 	# other systems with GNU libc and userland
-	echo ${UNAME_MACHINE}-unknown-`echo ${UNAME_SYSTEM} | sed 's,^[^/]*/,,' | tr '[A-Z]' '[a-z]'``echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`-${LIBC}
+	echo ${UNAME_MACHINE}-unknown-`echo ${UNAME_SYSTEM} | sed 's,^[^/]*/,,' | tr "[:upper:]" "[:lower:]"``echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`-${LIBC}
 	exit ;;
     i*86:Minix:*:*)
 	echo ${UNAME_MACHINE}-pc-minix
@@ -902,7 +926,7 @@ EOF
 	  EV68*) UNAME_MACHINE=alphaev68 ;;
 	esac
 	objdump --private-headers /bin/sh | grep -q ld.so.1
-	if test "$?" = 0 ; then LIBC="gnulibc1" ; fi
+	if test "$?" = 0 ; then LIBC=gnulibc1 ; fi
 	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
 	exit ;;
     arc:Linux:*:* | arceb:Linux:*:*)
@@ -933,6 +957,9 @@ EOF
     crisv32:Linux:*:*)
 	echo ${UNAME_MACHINE}-axis-linux-${LIBC}
 	exit ;;
+    e2k:Linux:*:*)
+	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+	exit ;;
     frv:Linux:*:*)
 	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
 	exit ;;
@@ -945,6 +972,9 @@ EOF
     ia64:Linux:*:*)
 	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
 	exit ;;
+    k1om:Linux:*:*)
+	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+	exit ;;
     m32r*:Linux:*:*)
 	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
 	exit ;;
@@ -970,6 +1000,9 @@ EOF
 	eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^CPU'`
 	test x"${CPU}" != x && { echo "${CPU}-unknown-linux-${LIBC}"; exit; }
 	;;
+    mips64el:Linux:*:*)
+	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+	exit ;;
     openrisc*:Linux:*:*)
 	echo or1k-unknown-linux-${LIBC}
 	exit ;;
@@ -1002,6 +1035,9 @@ EOF
     ppcle:Linux:*:*)
 	echo powerpcle-unknown-linux-${LIBC}
 	exit ;;
+    riscv32:Linux:*:* | riscv64:Linux:*:*)
+	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+	exit ;;
     s390:Linux:*:* | s390x:Linux:*:*)
 	echo ${UNAME_MACHINE}-ibm-linux-${LIBC}
 	exit ;;
@@ -1021,7 +1057,7 @@ EOF
 	echo ${UNAME_MACHINE}-dec-linux-${LIBC}
 	exit ;;
     x86_64:Linux:*:*)
-	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
+	echo ${UNAME_MACHINE}-pc-linux-${LIBC}
 	exit ;;
     xtensa*:Linux:*:*)
 	echo ${UNAME_MACHINE}-unknown-linux-${LIBC}
@@ -1100,7 +1136,7 @@ EOF
 	# uname -m prints for DJGPP always 'pc', but it prints nothing about
 	# the processor, so we play safe by assuming i586.
 	# Note: whatever this is, it MUST be the same as what config.sub
-	# prints for the "djgpp" host, or else GDB configury will decide that
+	# prints for the "djgpp" host, or else GDB configure will decide that
 	# this is a cross-build.
 	echo i586-pc-msdosdjgpp
 	exit ;;
@@ -1249,6 +1285,9 @@ EOF
     SX-8R:SUPER-UX:*:*)
 	echo sx8r-nec-superux${UNAME_RELEASE}
 	exit ;;
+    SX-ACE:SUPER-UX:*:*)
+	echo sxace-nec-superux${UNAME_RELEASE}
+	exit ;;
     Power*:Rhapsody:*:*)
 	echo powerpc-apple-rhapsody${UNAME_RELEASE}
 	exit ;;
@@ -1262,9 +1301,9 @@ EOF
 	    UNAME_PROCESSOR=powerpc
 	fi
 	if test `echo "$UNAME_RELEASE" | sed -e 's/\..*//'` -le 10 ; then
-	    if [ "$CC_FOR_BUILD" != 'no_compiler_found' ]; then
+	    if [ "$CC_FOR_BUILD" != no_compiler_found ]; then
 		if (echo '#ifdef __LP64__'; echo IS_64BIT_ARCH; echo '#endif') | \
-		    (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | \
+		    (CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \
 		    grep IS_64BIT_ARCH >/dev/null
 		then
 		    case $UNAME_PROCESSOR in
@@ -1286,7 +1325,7 @@ EOF
 	exit ;;
     *:procnto*:*:* | *:QNX:[0123456789]*:*)
 	UNAME_PROCESSOR=`uname -p`
-	if test "$UNAME_PROCESSOR" = "x86"; then
+	if test "$UNAME_PROCESSOR" = x86; then
 		UNAME_PROCESSOR=i386
 		UNAME_MACHINE=pc
 	fi
@@ -1317,7 +1356,7 @@ EOF
 	# "uname -m" is not consistent, so use $cputype instead. 386
 	# is converted to i386 for consistency with other x86
 	# operating systems.
-	if test "$cputype" = "386"; then
+	if test "$cputype" = 386; then
 	    UNAME_MACHINE=i386
 	else
 	    UNAME_MACHINE="$cputype"
@@ -1359,7 +1398,7 @@ EOF
 	echo i386-pc-xenix
 	exit ;;
     i*86:skyos:*:*)
-	echo ${UNAME_MACHINE}-pc-skyos`echo ${UNAME_RELEASE}` | sed -e 's/ .*$//'
+	echo ${UNAME_MACHINE}-pc-skyos`echo ${UNAME_RELEASE} | sed -e 's/ .*$//'`
 	exit ;;
     i*86:rdos:*:*)
 	echo ${UNAME_MACHINE}-pc-rdos
@@ -1370,23 +1409,25 @@ EOF
     x86_64:VMkernel:*:*)
 	echo ${UNAME_MACHINE}-unknown-esx
 	exit ;;
+    amd64:Isilon\ OneFS:*:*)
+	echo x86_64-unknown-onefs
+	exit ;;
 esac
 
 cat >&2 <<EOF
 $0: unable to guess system type
 
-This script, last modified $timestamp, has failed to recognize
-the operating system you are using. It is advised that you
-download the most up to date version of the config scripts from
+This script (version $timestamp), has failed to recognize the
+operating system you are using. If your script is old, overwrite
+config.guess and config.sub with the latest versions from:
 
-  http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess;hb=HEAD
+  http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess
 and
-  http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub;hb=HEAD
+  http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub
 
-If the version you run ($0) is already up to date, please
-send the following data and any information you think might be
-pertinent to <config-patches@gnu.org> in order to provide the needed
-information to handle your system.
+If $0 has already been updated, send the following data and any
+information you think might be pertinent to config-patches@gnu.org to
+provide the necessary information to handle your system.
 
 config.guess timestamp = $timestamp
 
diff --git a/ac/config.sub b/ac/config.sub
index 6467c95..dd2ca93 100755
--- a/ac/config.sub
+++ b/ac/config.sub
@@ -1,8 +1,8 @@
 #! /bin/sh
 # Configuration validation subroutine script.
-#   Copyright 1992-2015 Free Software Foundation, Inc.
+#   Copyright 1992-2016 Free Software Foundation, Inc.
 
-timestamp='2015-01-01'
+timestamp='2016-11-04'
 
 # This file is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License as published by
@@ -33,7 +33,7 @@ timestamp='2015-01-01'
 # Otherwise, we print the canonical config type on stdout and succeed.
 
 # You can get the latest version of this script from:
-# http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub;hb=HEAD
+# http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub
 
 # This file is supposed to be the same for all GNU packages
 # and recognize all the CPU types, system types and aliases
@@ -53,8 +53,7 @@ timestamp='2015-01-01'
 me=`echo "$0" | sed -e 's,.*/,,'`
 
 usage="\
-Usage: $0 [OPTION] CPU-MFR-OPSYS
-       $0 [OPTION] ALIAS
+Usage: $0 [OPTION] CPU-MFR-OPSYS or ALIAS
 
 Canonicalize a configuration name.
 
@@ -68,7 +67,7 @@ Report bugs and patches to <config-patches@gnu.org>."
 version="\
 GNU config.sub ($timestamp)
 
-Copyright 1992-2015 Free Software Foundation, Inc.
+Copyright 1992-2016 Free Software Foundation, Inc.
 
 This is free software; see the source for copying conditions.  There is NO
 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
@@ -117,8 +116,8 @@ maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'`
 case $maybe_os in
   nto-qnx* | linux-gnu* | linux-android* | linux-dietlibc | linux-newlib* | \
   linux-musl* | linux-uclibc* | uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | \
-  knetbsd*-gnu* | netbsd*-gnu* | \
-  kopensolaris*-gnu* | \
+  knetbsd*-gnu* | netbsd*-gnu* | netbsd*-eabi* | \
+  kopensolaris*-gnu* | cloudabi*-eabi* | \
   storm-chaos* | os2-emx* | rtmk-nova*)
     os=-$maybe_os
     basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`
@@ -255,11 +254,12 @@ case $basic_machine in
 	| arc | arceb \
 	| arm | arm[bl]e | arme[lb] | armv[2-8] | armv[3-8][lb] | armv7[arm] \
 	| avr | avr32 \
+	| ba \
 	| be32 | be64 \
 	| bfin \
 	| c4x | c8051 | clipper \
 	| d10v | d30v | dlx | dsp16xx \
-	| epiphany \
+	| e2k | epiphany \
 	| fido | fr30 | frv | ft32 \
 	| h8300 | h8500 | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \
 	| hexagon \
@@ -301,11 +301,12 @@ case $basic_machine in
 	| open8 | or1k | or1knd | or32 \
 	| pdp10 | pdp11 | pj | pjl \
 	| powerpc | powerpc64 | powerpc64le | powerpcle \
+	| pru \
 	| pyramid \
 	| riscv32 | riscv64 \
 	| rl78 | rx \
 	| score \
-	| sh | sh[1234] | sh[24]a | sh[24]aeb | sh[23]e | sh[34]eb | sheb | shbe | shle | sh[1234]le | sh3ele \
+	| sh | sh[1234] | sh[24]a | sh[24]aeb | sh[23]e | sh[234]eb | sheb | shbe | shle | sh[1234]le | sh3ele \
 	| sh64 | sh64le \
 	| sparc | sparc64 | sparc64b | sparc64v | sparc86x | sparclet | sparclite \
 	| sparcv8 | sparcv9 | sparcv9b | sparcv9v \
@@ -376,12 +377,13 @@ case $basic_machine in
 	| alphapca5[67]-* | alpha64pca5[67]-* | arc-* | arceb-* \
 	| arm-*  | armbe-* | armle-* | armeb-* | armv*-* \
 	| avr-* | avr32-* \
+	| ba-* \
 	| be32-* | be64-* \
 	| bfin-* | bs2000-* \
 	| c[123]* | c30-* | [cjt]90-* | c4x-* \
 	| c8051-* | clipper-* | craynv-* | cydra-* \
 	| d10v-* | d30v-* | dlx-* \
-	| elxsi-* \
+	| e2k-* | elxsi-* \
 	| f30[01]-* | f700-* | fido-* | fr30-* | frv-* | fx80-* \
 	| h8300-* | h8500-* \
 	| hppa-* | hppa1.[01]-* | hppa2.0-* | hppa2.0[nw]-* | hppa64-* \
@@ -427,13 +429,15 @@ case $basic_machine in
 	| orion-* \
 	| pdp10-* | pdp11-* | pj-* | pjl-* | pn-* | power-* \
 	| powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* \
+	| pru-* \
 	| pyramid-* \
+	| riscv32-* | riscv64-* \
 	| rl78-* | romp-* | rs6000-* | rx-* \
 	| sh-* | sh[1234]-* | sh[24]a-* | sh[24]aeb-* | sh[23]e-* | sh[34]eb-* | sheb-* | shbe-* \
 	| shle-* | sh[1234]le-* | sh3ele-* | sh64-* | sh64le-* \
 	| sparc-* | sparc64-* | sparc64b-* | sparc64v-* | sparc86x-* | sparclet-* \
 	| sparclite-* \
-	| sparcv8-* | sparcv9-* | sparcv9b-* | sparcv9v-* | sv1-* | sx?-* \
+	| sparcv8-* | sparcv9-* | sparcv9b-* | sparcv9v-* | sv1-* | sx*-* \
 	| tahoe-* \
 	| tic30-* | tic4x-* | tic54x-* | tic55x-* | tic6x-* | tic80-* \
 	| tile*-* \
@@ -518,6 +522,9 @@ case $basic_machine in
 		basic_machine=i386-pc
 		os=-aros
 		;;
+	asmjs)
+		basic_machine=asmjs-unknown
+		;;
 	aux)
 		basic_machine=m68k-apple
 		os=-aux
@@ -638,6 +645,14 @@ case $basic_machine in
 		basic_machine=m68k-bull
 		os=-sysv3
 		;;
+	e500v[12])
+		basic_machine=powerpc-unknown
+		os=$os"spe"
+		;;
+	e500v[12]-*)
+		basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'`
+		os=$os"spe"
+		;;
 	ebmon29k)
 		basic_machine=a29k-amd
 		os=-ebmon
@@ -1017,7 +1032,7 @@ case $basic_machine in
 	ppc-* | ppcbe-*)
 		basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'`
 		;;
-	ppcle | powerpclittle | ppc-le | powerpc-little)
+	ppcle | powerpclittle)
 		basic_machine=powerpcle-unknown
 		;;
 	ppcle-* | powerpclittle-*)
@@ -1025,9 +1040,9 @@ case $basic_machine in
 		;;
 	ppc64)	basic_machine=powerpc64-unknown
 		;;
-	ppc64-* | ppc64p7-*) basic_machine=powerpc64-`echo $basic_machine | sed 's/^[^-]*-//'`
+	ppc64-*) basic_machine=powerpc64-`echo $basic_machine | sed 's/^[^-]*-//'`
 		;;
-	ppc64le | powerpc64little | ppc64-le | powerpc64-little)
+	ppc64le | powerpc64little)
 		basic_machine=powerpc64le-unknown
 		;;
 	ppc64le-* | powerpc64little-*)
@@ -1373,18 +1388,18 @@ case $os in
 	      | -hpux* | -unos* | -osf* | -luna* | -dgux* | -auroraux* | -solaris* \
 	      | -sym* | -kopensolaris* | -plan9* \
 	      | -amigaos* | -amigados* | -msdos* | -newsos* | -unicos* | -aof* \
-	      | -aos* | -aros* \
+	      | -aos* | -aros* | -cloudabi* | -sortix* \
 	      | -nindy* | -vxsim* | -vxworks* | -ebmon* | -hms* | -mvs* \
 	      | -clix* | -riscos* | -uniplus* | -iris* | -rtu* | -xenix* \
 	      | -hiux* | -386bsd* | -knetbsd* | -mirbsd* | -netbsd* \
-	      | -bitrig* | -openbsd* | -solidbsd* \
+	      | -bitrig* | -openbsd* | -solidbsd* | -libertybsd* \
 	      | -ekkobsd* | -kfreebsd* | -freebsd* | -riscix* | -lynxos* \
 	      | -bosx* | -nextstep* | -cxux* | -aout* | -elf* | -oabi* \
 	      | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \
 	      | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \
 	      | -chorusos* | -chorusrdb* | -cegcc* \
 	      | -cygwin* | -msys* | -pe* | -psos* | -moss* | -proelf* | -rtems* \
-	      | -mingw32* | -mingw64* | -linux-gnu* | -linux-android* \
+	      | -midipix* | -mingw32* | -mingw64* | -linux-gnu* | -linux-android* \
 	      | -linux-newlib* | -linux-musl* | -linux-uclibc* \
 	      | -uxpv* | -beos* | -mpeix* | -udk* | -moxiebox* \
 	      | -interix* | -uwin* | -mks* | -rhapsody* | -darwin* | -opened* \
@@ -1393,7 +1408,8 @@ case $os in
 	      | -os2* | -vos* | -palmos* | -uclinux* | -nucleus* \
 	      | -morphos* | -superux* | -rtmk* | -rtmk-nova* | -windiss* \
 	      | -powermax* | -dnix* | -nx6 | -nx7 | -sei* | -dragonfly* \
-	      | -skyos* | -haiku* | -rdos* | -toppers* | -drops* | -es* | -tirtos*)
+	      | -skyos* | -haiku* | -rdos* | -toppers* | -drops* | -es* \
+	      | -onefs* | -tirtos* | -phoenix* | -fuchsia*)
 	# Remember, each alternative MUST END IN *, to match a version number.
 		;;
 	-qnx*)
@@ -1525,6 +1541,8 @@ case $os in
 		;;
 	-nacl*)
 		;;
+	-ios)
+		;;
 	-none)
 		;;
 	*)
diff --git a/ac/install-sh b/ac/install-sh
index 0b0fdcb..59990a1 100755
--- a/ac/install-sh
+++ b/ac/install-sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # install - install a program, script, or datafile
 
-scriptversion=2013-12-25.23; # UTC
+scriptversion=2014-09-12.12; # UTC
 
 # This originates from X11R5 (mit/util/scripts/install.sh), which was
 # later released in X11R6 (xc/config/util/install.sh) with the
@@ -324,34 +324,41 @@ do
             # is incompatible with FreeBSD 'install' when (umask & 300) != 0.
             ;;
           *)
+            # $RANDOM is not portable (e.g. dash);  use it when possible to
+            # lower collision chance
             tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$
-            trap 'ret=$?; rmdir "$tmpdir/d" "$tmpdir" 2>/dev/null; exit $ret' 0
+            trap 'ret=$?; rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir" 2>/dev/null; exit $ret' 0
 
+            # As "mkdir -p" follows symlinks and we work in /tmp possibly;  so
+            # create the $tmpdir first (and fail if unsuccessful) to make sure
+            # that nobody tries to guess the $tmpdir name.
             if (umask $mkdir_umask &&
-                exec $mkdirprog $mkdir_mode -p -- "$tmpdir/d") >/dev/null 2>&1
+                $mkdirprog $mkdir_mode "$tmpdir" &&
+                exec $mkdirprog $mkdir_mode -p -- "$tmpdir/a/b") >/dev/null 2>&1
             then
               if test -z "$dir_arg" || {
                    # Check for POSIX incompatibilities with -m.
                    # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
                    # other-writable bit of parent directory when it shouldn't.
                    # FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
-                   ls_ld_tmpdir=`ls -ld "$tmpdir"`
+                   test_tmpdir="$tmpdir/a"
+                   ls_ld_tmpdir=`ls -ld "$test_tmpdir"`
                    case $ls_ld_tmpdir in
                      d????-?r-*) different_mode=700;;
                      d????-?--*) different_mode=755;;
                      *) false;;
                    esac &&
-                   $mkdirprog -m$different_mode -p -- "$tmpdir" && {
-                     ls_ld_tmpdir_1=`ls -ld "$tmpdir"`
+                   $mkdirprog -m$different_mode -p -- "$test_tmpdir" && {
+                     ls_ld_tmpdir_1=`ls -ld "$test_tmpdir"`
                      test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1"
                    }
                  }
               then posix_mkdir=:
               fi
-              rmdir "$tmpdir/d" "$tmpdir"
+              rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir"
             else
               # Remove any dirs left behind by ancient mkdir implementations.
-              rmdir ./$mkdir_mode ./-p ./-- 2>/dev/null
+              rmdir ./$mkdir_mode ./-p ./-- "$tmpdir" 2>/dev/null
             fi
             trap '' 0;;
         esac;;
diff --git a/ac/ltmain.sh b/ac/ltmain.sh
index 0f0a2da..a736cf9 100644
--- a/ac/ltmain.sh
+++ b/ac/ltmain.sh
@@ -31,7 +31,7 @@
 
 PROGRAM=libtool
 PACKAGE=libtool
-VERSION=2.4.6
+VERSION="2.4.6 Debian-2.4.6-2"
 package_revision=2.4.6
 
 
@@ -2068,12 +2068,12 @@ include the following information:
        compiler:       $LTCC
        compiler flags: $LTCFLAGS
        linker:         $LD (gnu? $with_gnu_ld)
-       version:        $progname (GNU libtool) 2.4.6
+       version:        $progname $scriptversion Debian-2.4.6-2
        automake:       `($AUTOMAKE --version) 2>/dev/null |$SED 1q`
        autoconf:       `($AUTOCONF --version) 2>/dev/null |$SED 1q`
 
 Report bugs to <bug-libtool@gnu.org>.
-GNU libtool home page: <http://www.gnu.org/software/libtool/>.
+GNU libtool home page: <http://www.gnu.org/s/libtool/>.
 General help using GNU software: <http://www.gnu.org/gethelp/>."
     exit 0
 }
@@ -7272,10 +7272,13 @@ func_mode_link ()
       # -tp=*                Portland pgcc target processor selection
       # --sysroot=*          for sysroot support
       # -O*, -g*, -flto*, -fwhopr*, -fuse-linker-plugin GCC link-time optimization
+      # -specs=*             GCC specs files
       # -stdlib=*            select c++ std lib with clang
+      # -fsanitize=*         Clang/GCC memory and address sanitizer
       -64|-mips[0-9]|-r[0-9][0-9]*|-xarch=*|-xtarget=*|+DA*|+DD*|-q*|-m*| \
       -t[45]*|-txscale*|-p|-pg|--coverage|-fprofile-*|-F*|@*|-tp=*|--sysroot=*| \
-      -O*|-g*|-flto*|-fwhopr*|-fuse-linker-plugin|-fstack-protector*|-stdlib=*)
+      -O*|-g*|-flto*|-fwhopr*|-fuse-linker-plugin|-fstack-protector*|-stdlib=*| \
+      -specs=*|-fsanitize=*)
         func_quote_for_eval "$arg"
 	arg=$func_quote_for_eval_result
         func_append compile_command " $arg"
@@ -7568,7 +7571,10 @@ func_mode_link ()
 	case $pass in
 	dlopen) libs=$dlfiles ;;
 	dlpreopen) libs=$dlprefiles ;;
-	link) libs="$deplibs %DEPLIBS% $dependency_libs" ;;
+	link)
+	  libs="$deplibs %DEPLIBS%"
+	  test "X$link_all_deplibs" != Xno && libs="$libs $dependency_libs"
+	  ;;
 	esac
       fi
       if test lib,dlpreopen = "$linkmode,$pass"; then
@@ -7887,19 +7893,19 @@ func_mode_link ()
 	    # It is a libtool convenience library, so add in its objects.
 	    func_append convenience " $ladir/$objdir/$old_library"
 	    func_append old_convenience " $ladir/$objdir/$old_library"
+	    tmp_libs=
+	    for deplib in $dependency_libs; do
+	      deplibs="$deplib $deplibs"
+	      if $opt_preserve_dup_deps; then
+		case "$tmp_libs " in
+		*" $deplib "*) func_append specialdeplibs " $deplib" ;;
+		esac
+	      fi
+	      func_append tmp_libs " $deplib"
+	    done
 	  elif test prog != "$linkmode" && test lib != "$linkmode"; then
 	    func_fatal_error "'$lib' is not a convenience library"
 	  fi
-	  tmp_libs=
-	  for deplib in $dependency_libs; do
-	    deplibs="$deplib $deplibs"
-	    if $opt_preserve_dup_deps; then
-	      case "$tmp_libs " in
-	      *" $deplib "*) func_append specialdeplibs " $deplib" ;;
-	      esac
-	    fi
-	    func_append tmp_libs " $deplib"
-	  done
 	  continue
 	fi # $pass = conv
 
@@ -8823,6 +8829,9 @@ func_mode_link ()
 	    revision=$number_minor
 	    lt_irix_increment=no
 	    ;;
+	  *)
+	    func_fatal_configuration "$modename: unknown library version type '$version_type'"
+	    ;;
 	  esac
 	  ;;
 	no)
diff --git a/aclocal.m4 b/aclocal.m4
index dae08a0..2d89abd 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -1210,6 +1210,7 @@ AC_SUBST([am__tar])
 AC_SUBST([am__untar])
 ]) # _AM_PROG_TAR
 
+m4_include([m4/ax_check_sign.m4])
 m4_include([m4/ax_cxx_namespace.m4])
 m4_include([m4/ax_numval.m4])
 m4_include([m4/ax_pthread.m4])
diff --git a/configure b/configure
index 84fb241..1e041e0 100755
--- a/configure
+++ b/configure
@@ -651,6 +651,8 @@ HCL_SIZEOF_LONG_LONG
 HCL_SIZEOF_CHAR32_T
 HCL_SIZEOF_CHAR16_T
 HCL_SIZEOF_WCHAR_T
+ENABLE_HCLS_FALSE
+ENABLE_HCLS_TRUE
 ENABLE_LIBLTDL_FALSE
 ENABLE_LIBLTDL_TRUE
 ENABLE_STATIC_MODULE_FALSE
@@ -777,6 +779,7 @@ infodir
 docdir
 oldincludedir
 includedir
+runstatedir
 localstatedir
 sharedstatedir
 sysconfdir
@@ -815,6 +818,7 @@ enable_cxx
 enable_dynamic_module
 enable_static_module
 enable_libltdl
+enable_hcls
 '
       ac_precious_vars='build_alias
 host_alias
@@ -868,6 +872,7 @@ datadir='${datarootdir}'
 sysconfdir='${prefix}/etc'
 sharedstatedir='${prefix}/com'
 localstatedir='${prefix}/var'
+runstatedir='${localstatedir}/run'
 includedir='${prefix}/include'
 oldincludedir='/usr/include'
 docdir='${datarootdir}/doc/${PACKAGE_TARNAME}'
@@ -1120,6 +1125,15 @@ do
   | -silent | --silent | --silen | --sile | --sil)
     silent=yes ;;
 
+  -runstatedir | --runstatedir | --runstatedi | --runstated \
+  | --runstate | --runstat | --runsta | --runst | --runs \
+  | --run | --ru | --r)
+    ac_prev=runstatedir ;;
+  -runstatedir=* | --runstatedir=* | --runstatedi=* | --runstated=* \
+  | --runstate=* | --runstat=* | --runsta=* | --runst=* | --runs=* \
+  | --run=* | --ru=* | --r=*)
+    runstatedir=$ac_optarg ;;
+
   -sbindir | --sbindir | --sbindi | --sbind | --sbin | --sbi | --sb)
     ac_prev=sbindir ;;
   -sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \
@@ -1257,7 +1271,7 @@ fi
 for ac_var in	exec_prefix prefix bindir sbindir libexecdir datarootdir \
 		datadir sysconfdir sharedstatedir localstatedir includedir \
 		oldincludedir docdir infodir htmldir dvidir pdfdir psdir \
-		libdir localedir mandir
+		libdir localedir mandir runstatedir
 do
   eval ac_val=\$$ac_var
   # Remove trailing slashes.
@@ -1410,6 +1424,7 @@ Fine tuning of the installation directories:
   --sysconfdir=DIR        read-only single-machine data [PREFIX/etc]
   --sharedstatedir=DIR    modifiable architecture-independent data [PREFIX/com]
   --localstatedir=DIR     modifiable single-machine data [PREFIX/var]
+  --runstatedir=DIR       modifiable per-process data [LOCALSTATEDIR/run]
   --libdir=DIR            object code libraries [EPREFIX/lib]
   --includedir=DIR        C header files [PREFIX/include]
   --oldincludedir=DIR     C header files for non-gcc [/usr/include]
@@ -1469,6 +1484,7 @@ Optional Features:
   --enable-static-module  build modules statically into the main
                           library(default. no)
   --enable-libltdl        use libltdl(default. no)
+  --enable-hcls           build libhcls and hcls(default. no)
 
 Optional Packages:
   --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
@@ -7038,7 +7054,7 @@ linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
   lt_cv_deplibs_check_method=pass_all
   ;;
 
-netbsd*)
+netbsd* | netbsdelf*-gnu)
   if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then
     lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$'
   else
@@ -10740,6 +10756,9 @@ $as_echo_n "checking whether the $compiler linker ($LD) supports shared librarie
   openbsd* | bitrig*)
     with_gnu_ld=no
     ;;
+  linux* | k*bsd*-gnu | gnu*)
+    link_all_deplibs=no
+    ;;
   esac
 
   ld_shlibs=yes
@@ -10994,7 +11013,7 @@ _LT_EOF
       fi
       ;;
 
-    netbsd*)
+    netbsd* | netbsdelf*-gnu)
       if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
 	archive_cmds='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib'
 	wlarc=
@@ -11664,6 +11683,7 @@ $as_echo "$lt_cv_irix_exported_symbol" >&6; }
 	if test yes = "$lt_cv_irix_exported_symbol"; then
           archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations $wl-exports_file $wl$export_symbols -o $lib'
 	fi
+	link_all_deplibs=no
       else
 	archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib'
 	archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -exports_file $export_symbols -o $lib'
@@ -11685,7 +11705,7 @@ $as_echo "$lt_cv_irix_exported_symbol" >&6; }
       esac
       ;;
 
-    netbsd*)
+    netbsd* | netbsdelf*-gnu)
       if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
 	archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'  # a.out
       else
@@ -12780,9 +12800,6 @@ fi
   # before this can be enabled.
   hardcode_into_libs=yes
 
-  # Add ABI-specific directories to the system library path.
-  sys_lib_dlsearch_path_spec="/lib64 /usr/lib64 /lib /usr/lib"
-
   # Ideally, we could use ldconfig to report *all* directores which are
   # searched for libraries, however this is still not possible.  Aside from not
   # being certain /sbin/ldconfig is available, command
@@ -12791,7 +12808,7 @@ fi
   # appending ld.so.conf contents (and includes) to the search path.
   if test -f /etc/ld.so.conf; then
     lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[	 ]*hwcap[	 ]/d;s/[:,	]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '`
-    sys_lib_dlsearch_path_spec="$sys_lib_dlsearch_path_spec $lt_ld_extra"
+    sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra"
   fi
 
   # We used to test for /lib/ld.so.1 and disable shared libraries on
@@ -12803,6 +12820,18 @@ fi
   dynamic_linker='GNU/Linux ld.so'
   ;;
 
+netbsdelf*-gnu)
+  version_type=linux
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  hardcode_into_libs=yes
+  dynamic_linker='NetBSD ld.elf_so'
+  ;;
+
 netbsd*)
   version_type=sunos
   need_lib_prefix=no
@@ -15697,7 +15726,7 @@ lt_prog_compiler_static_CXX=
 	    ;;
 	esac
 	;;
-      netbsd*)
+      netbsd* | netbsdelf*-gnu)
 	;;
       *qnx* | *nto*)
         # QNX uses GNU C++, but need to define -shared option too, otherwise
@@ -16072,6 +16101,9 @@ $as_echo_n "checking whether the $compiler linker ($LD) supports shared librarie
       ;;
     esac
     ;;
+  linux* | k*bsd*-gnu | gnu*)
+    link_all_deplibs_CXX=no
+    ;;
   *)
     export_symbols_cmds_CXX='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
     ;;
@@ -16745,9 +16777,6 @@ fi
   # before this can be enabled.
   hardcode_into_libs=yes
 
-  # Add ABI-specific directories to the system library path.
-  sys_lib_dlsearch_path_spec="/lib64 /usr/lib64 /lib /usr/lib"
-
   # Ideally, we could use ldconfig to report *all* directores which are
   # searched for libraries, however this is still not possible.  Aside from not
   # being certain /sbin/ldconfig is available, command
@@ -16756,7 +16785,7 @@ fi
   # appending ld.so.conf contents (and includes) to the search path.
   if test -f /etc/ld.so.conf; then
     lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[	 ]*hwcap[	 ]/d;s/[:,	]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '`
-    sys_lib_dlsearch_path_spec="$sys_lib_dlsearch_path_spec $lt_ld_extra"
+    sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra"
   fi
 
   # We used to test for /lib/ld.so.1 and disable shared libraries on
@@ -16768,6 +16797,18 @@ fi
   dynamic_linker='GNU/Linux ld.so'
   ;;
 
+netbsdelf*-gnu)
+  version_type=linux
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  hardcode_into_libs=yes
+  dynamic_linker='NetBSD ld.elf_so'
+  ;;
+
 netbsd*)
   version_type=sunos
   need_lib_prefix=no
@@ -19531,6 +19572,759 @@ _ACEOF
 
 
 
+
+
+		{ $as_echo "$as_me:${as_lineno-$LINENO}: checking numeric value of PATH_MAX" >&5
+$as_echo_n "checking numeric value of PATH_MAX... " >&6; }
+if ${ax_cv_numvalof_PATH_MAX+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if ac_fn_c_compute_int "$LINENO" "(PATH_MAX)" "ax_cv_numvalof_PATH_MAX"        "#include <limits.h>
+"; then :
+
+else
+  ax_cv_numvalof_PATH_MAX=0
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_numvalof_PATH_MAX" >&5
+$as_echo "$ax_cv_numvalof_PATH_MAX" >&6; }
+
+
+
+cat >>confdefs.h <<_ACEOF
+#define NUMVALOF_PATH_MAX $ax_cv_numvalof_PATH_MAX
+_ACEOF
+
+
+
+
+if test "x${platform_win32}" = "xyes"
+then
+	# The cast to long int works around a bug in the HP C Compiler
+# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
+# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
+# This bug is HP SR number 8606223364.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of struct sockaddr_in" >&5
+$as_echo_n "checking size of struct sockaddr_in... " >&6; }
+if ${ac_cv_sizeof_struct_sockaddr_in+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (struct sockaddr_in))" "ac_cv_sizeof_struct_sockaddr_in"        "
+		#include <winsock2.h>
+		#include <ws2tcpip.h>
+"; then :
+
+else
+  if test "$ac_cv_type_struct_sockaddr_in" = yes; then
+     { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error 77 "cannot compute sizeof (struct sockaddr_in)
+See \`config.log' for more details" "$LINENO" 5; }
+   else
+     ac_cv_sizeof_struct_sockaddr_in=0
+   fi
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_struct_sockaddr_in" >&5
+$as_echo "$ac_cv_sizeof_struct_sockaddr_in" >&6; }
+
+
+
+cat >>confdefs.h <<_ACEOF
+#define SIZEOF_STRUCT_SOCKADDR_IN $ac_cv_sizeof_struct_sockaddr_in
+_ACEOF
+
+
+	# The cast to long int works around a bug in the HP C Compiler
+# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
+# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
+# This bug is HP SR number 8606223364.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of struct sockaddr_in6" >&5
+$as_echo_n "checking size of struct sockaddr_in6... " >&6; }
+if ${ac_cv_sizeof_struct_sockaddr_in6+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (struct sockaddr_in6))" "ac_cv_sizeof_struct_sockaddr_in6"        "
+		#include <winsock2.h>
+		#include <ws2tcpip.h>
+"; then :
+
+else
+  if test "$ac_cv_type_struct_sockaddr_in6" = yes; then
+     { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error 77 "cannot compute sizeof (struct sockaddr_in6)
+See \`config.log' for more details" "$LINENO" 5; }
+   else
+     ac_cv_sizeof_struct_sockaddr_in6=0
+   fi
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_struct_sockaddr_in6" >&5
+$as_echo "$ac_cv_sizeof_struct_sockaddr_in6" >&6; }
+
+
+
+cat >>confdefs.h <<_ACEOF
+#define SIZEOF_STRUCT_SOCKADDR_IN6 $ac_cv_sizeof_struct_sockaddr_in6
+_ACEOF
+
+
+	# The cast to long int works around a bug in the HP C Compiler
+# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
+# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
+# This bug is HP SR number 8606223364.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of struct sockaddr_un" >&5
+$as_echo_n "checking size of struct sockaddr_un... " >&6; }
+if ${ac_cv_sizeof_struct_sockaddr_un+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (struct sockaddr_un))" "ac_cv_sizeof_struct_sockaddr_un"        "
+		#include <winsock2.h>
+		#include <ws2tcpip.h>
+"; then :
+
+else
+  if test "$ac_cv_type_struct_sockaddr_un" = yes; then
+     { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error 77 "cannot compute sizeof (struct sockaddr_un)
+See \`config.log' for more details" "$LINENO" 5; }
+   else
+     ac_cv_sizeof_struct_sockaddr_un=0
+   fi
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_struct_sockaddr_un" >&5
+$as_echo "$ac_cv_sizeof_struct_sockaddr_un" >&6; }
+
+
+
+cat >>confdefs.h <<_ACEOF
+#define SIZEOF_STRUCT_SOCKADDR_UN $ac_cv_sizeof_struct_sockaddr_un
+_ACEOF
+
+
+	# The cast to long int works around a bug in the HP C Compiler
+# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
+# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
+# This bug is HP SR number 8606223364.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of struct sockaddr_ll" >&5
+$as_echo_n "checking size of struct sockaddr_ll... " >&6; }
+if ${ac_cv_sizeof_struct_sockaddr_ll+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (struct sockaddr_ll))" "ac_cv_sizeof_struct_sockaddr_ll"        "
+		#include <winsock2.h>
+		#include <ws2tcpip.h>
+"; then :
+
+else
+  if test "$ac_cv_type_struct_sockaddr_ll" = yes; then
+     { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error 77 "cannot compute sizeof (struct sockaddr_ll)
+See \`config.log' for more details" "$LINENO" 5; }
+   else
+     ac_cv_sizeof_struct_sockaddr_ll=0
+   fi
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_struct_sockaddr_ll" >&5
+$as_echo "$ac_cv_sizeof_struct_sockaddr_ll" >&6; }
+
+
+
+cat >>confdefs.h <<_ACEOF
+#define SIZEOF_STRUCT_SOCKADDR_LL $ac_cv_sizeof_struct_sockaddr_ll
+_ACEOF
+
+
+	# The cast to long int works around a bug in the HP C Compiler
+# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
+# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
+# This bug is HP SR number 8606223364.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of struct sockaddr_dl" >&5
+$as_echo_n "checking size of struct sockaddr_dl... " >&6; }
+if ${ac_cv_sizeof_struct_sockaddr_dl+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (struct sockaddr_dl))" "ac_cv_sizeof_struct_sockaddr_dl"        "
+		#include <winsock2.h>
+		#include <ws2tcpip.h>
+"; then :
+
+else
+  if test "$ac_cv_type_struct_sockaddr_dl" = yes; then
+     { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error 77 "cannot compute sizeof (struct sockaddr_dl)
+See \`config.log' for more details" "$LINENO" 5; }
+   else
+     ac_cv_sizeof_struct_sockaddr_dl=0
+   fi
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_struct_sockaddr_dl" >&5
+$as_echo "$ac_cv_sizeof_struct_sockaddr_dl" >&6; }
+
+
+
+cat >>confdefs.h <<_ACEOF
+#define SIZEOF_STRUCT_SOCKADDR_DL $ac_cv_sizeof_struct_sockaddr_dl
+_ACEOF
+
+
+
+	# The cast to long int works around a bug in the HP C Compiler
+# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
+# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
+# This bug is HP SR number 8606223364.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of socklen_t" >&5
+$as_echo_n "checking size of socklen_t... " >&6; }
+if ${ac_cv_sizeof_socklen_t+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (socklen_t))" "ac_cv_sizeof_socklen_t"        "
+		#include <winsock2.h>
+		#include <ws2tcpip.h>
+"; then :
+
+else
+  if test "$ac_cv_type_socklen_t" = yes; then
+     { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error 77 "cannot compute sizeof (socklen_t)
+See \`config.log' for more details" "$LINENO" 5; }
+   else
+     ac_cv_sizeof_socklen_t=0
+   fi
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_socklen_t" >&5
+$as_echo "$ac_cv_sizeof_socklen_t" >&6; }
+
+
+
+cat >>confdefs.h <<_ACEOF
+#define SIZEOF_SOCKLEN_T $ac_cv_sizeof_socklen_t
+_ACEOF
+
+
+	if test ${ac_cv_sizeof_socklen_t} -gt 0
+	then
+
+ typename=`echo socklen_t | sed "s/[^a-zA-Z0-9_]/_/g"`
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether socklen_t is signed" >&5
+$as_echo_n "checking whether socklen_t is signed... " >&6; }
+if eval \${ax_cv_decl_${typename}_signed+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+
+   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <winsock2.h>
+			 #include <ws2tcpip.h>
+int
+main ()
+{
+ int foo [ 1 - 2 * !(((socklen_t) -1) < 0) ]
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+   eval "ax_cv_decl_${typename}_signed=\"yes\""
+else
+   eval "ax_cv_decl_${typename}_signed=\"no\""
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+eval ac_res=\$ax_cv_decl_${typename}_signed
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+ symbolname=`echo socklen_t | sed "s/[^a-zA-Z0-9_]/_/g" | tr "a-z" "A-Z"`
+ if eval "test \"\${ax_cv_decl_${typename}_signed}\" = \"yes\""; then
+
+$as_echo "#define HCL_SOCKLEN_T_IS_SIGNED 1" >>confdefs.h
+
+ elif eval "test \"\${ax_cv_decl_${typename}_signed}\" = \"no\""; then
+    $as_echo_n ""
+ fi
+
+	fi
+
+	# The cast to long int works around a bug in the HP C Compiler
+# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
+# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
+# This bug is HP SR number 8606223364.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of sa_family_t" >&5
+$as_echo_n "checking size of sa_family_t... " >&6; }
+if ${ac_cv_sizeof_sa_family_t+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (sa_family_t))" "ac_cv_sizeof_sa_family_t"        "
+		#include <winsock2.h>
+		#include <ws2tcpip.h>
+"; then :
+
+else
+  if test "$ac_cv_type_sa_family_t" = yes; then
+     { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error 77 "cannot compute sizeof (sa_family_t)
+See \`config.log' for more details" "$LINENO" 5; }
+   else
+     ac_cv_sizeof_sa_family_t=0
+   fi
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_sa_family_t" >&5
+$as_echo "$ac_cv_sizeof_sa_family_t" >&6; }
+
+
+
+cat >>confdefs.h <<_ACEOF
+#define SIZEOF_SA_FAMILY_T $ac_cv_sizeof_sa_family_t
+_ACEOF
+
+
+	if test ${ac_cv_sizeof_sa_family_t} -gt 0
+	then
+
+ typename=`echo sa_family_t | sed "s/[^a-zA-Z0-9_]/_/g"`
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether sa_family_t is signed" >&5
+$as_echo_n "checking whether sa_family_t is signed... " >&6; }
+if eval \${ax_cv_decl_${typename}_signed+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+
+   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <winsock2.h>
+			 #include <ws2tcpip.h>
+int
+main ()
+{
+ int foo [ 1 - 2 * !(((sa_family_t) -1) < 0) ]
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+   eval "ax_cv_decl_${typename}_signed=\"yes\""
+else
+   eval "ax_cv_decl_${typename}_signed=\"no\""
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+eval ac_res=\$ax_cv_decl_${typename}_signed
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+ symbolname=`echo sa_family_t | sed "s/[^a-zA-Z0-9_]/_/g" | tr "a-z" "A-Z"`
+ if eval "test \"\${ax_cv_decl_${typename}_signed}\" = \"yes\""; then
+
+$as_echo "#define HCL_SA_FAMILY_T_IS_SIGNED 1" >>confdefs.h
+
+ elif eval "test \"\${ax_cv_decl_${typename}_signed}\" = \"no\""; then
+    $as_echo_n ""
+ fi
+
+	fi
+
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking offset of sa_family in struct sockaddr" >&5
+$as_echo_n "checking offset of sa_family in struct sockaddr... " >&6; }
+	if ac_fn_c_compute_int "$LINENO" "offsetof(struct sockaddr, sa_family)" "ac_cv_offsetof_sa_family"        "#include <stddef.h>
+		 #include <winsock2.h>
+		 #include <ws2tcpip.h>"; then :
+
+else
+  ac_cv_offsteof_sa_family=0
+fi
+
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_offsetof_sa_family" >&5
+$as_echo "$ac_cv_offsetof_sa_family" >&6; }
+
+cat >>confdefs.h <<_ACEOF
+#define HCL_OFFSETOF_SA_FAMILY ${ac_cv_offsetof_sa_family}
+_ACEOF
+
+
+else
+	# The cast to long int works around a bug in the HP C Compiler
+# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
+# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
+# This bug is HP SR number 8606223364.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of struct sockaddr_in" >&5
+$as_echo_n "checking size of struct sockaddr_in... " >&6; }
+if ${ac_cv_sizeof_struct_sockaddr_in+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (struct sockaddr_in))" "ac_cv_sizeof_struct_sockaddr_in"        "
+		#include <sys/types.h>
+		#include <sys/socket.h>
+		#include <netinet/in.h>
+"; then :
+
+else
+  if test "$ac_cv_type_struct_sockaddr_in" = yes; then
+     { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error 77 "cannot compute sizeof (struct sockaddr_in)
+See \`config.log' for more details" "$LINENO" 5; }
+   else
+     ac_cv_sizeof_struct_sockaddr_in=0
+   fi
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_struct_sockaddr_in" >&5
+$as_echo "$ac_cv_sizeof_struct_sockaddr_in" >&6; }
+
+
+
+cat >>confdefs.h <<_ACEOF
+#define SIZEOF_STRUCT_SOCKADDR_IN $ac_cv_sizeof_struct_sockaddr_in
+_ACEOF
+
+
+	# The cast to long int works around a bug in the HP C Compiler
+# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
+# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
+# This bug is HP SR number 8606223364.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of struct sockaddr_in6" >&5
+$as_echo_n "checking size of struct sockaddr_in6... " >&6; }
+if ${ac_cv_sizeof_struct_sockaddr_in6+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (struct sockaddr_in6))" "ac_cv_sizeof_struct_sockaddr_in6"        "
+		#include <sys/types.h>
+		#include <sys/socket.h>
+		#include <netinet/in.h>
+"; then :
+
+else
+  if test "$ac_cv_type_struct_sockaddr_in6" = yes; then
+     { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error 77 "cannot compute sizeof (struct sockaddr_in6)
+See \`config.log' for more details" "$LINENO" 5; }
+   else
+     ac_cv_sizeof_struct_sockaddr_in6=0
+   fi
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_struct_sockaddr_in6" >&5
+$as_echo "$ac_cv_sizeof_struct_sockaddr_in6" >&6; }
+
+
+
+cat >>confdefs.h <<_ACEOF
+#define SIZEOF_STRUCT_SOCKADDR_IN6 $ac_cv_sizeof_struct_sockaddr_in6
+_ACEOF
+
+
+	# The cast to long int works around a bug in the HP C Compiler
+# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
+# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
+# This bug is HP SR number 8606223364.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of struct sockaddr_un" >&5
+$as_echo_n "checking size of struct sockaddr_un... " >&6; }
+if ${ac_cv_sizeof_struct_sockaddr_un+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (struct sockaddr_un))" "ac_cv_sizeof_struct_sockaddr_un"        "
+		#include <sys/types.h>
+		#include <sys/socket.h>
+		#include <sys/un.h>
+"; then :
+
+else
+  if test "$ac_cv_type_struct_sockaddr_un" = yes; then
+     { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error 77 "cannot compute sizeof (struct sockaddr_un)
+See \`config.log' for more details" "$LINENO" 5; }
+   else
+     ac_cv_sizeof_struct_sockaddr_un=0
+   fi
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_struct_sockaddr_un" >&5
+$as_echo "$ac_cv_sizeof_struct_sockaddr_un" >&6; }
+
+
+
+cat >>confdefs.h <<_ACEOF
+#define SIZEOF_STRUCT_SOCKADDR_UN $ac_cv_sizeof_struct_sockaddr_un
+_ACEOF
+
+
+	# The cast to long int works around a bug in the HP C Compiler
+# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
+# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
+# This bug is HP SR number 8606223364.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of struct sockaddr_ll" >&5
+$as_echo_n "checking size of struct sockaddr_ll... " >&6; }
+if ${ac_cv_sizeof_struct_sockaddr_ll+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (struct sockaddr_ll))" "ac_cv_sizeof_struct_sockaddr_ll"        "
+		#include <sys/types.h>
+		#include <sys/socket.h>
+		#include <netpacket/packet.h>
+"; then :
+
+else
+  if test "$ac_cv_type_struct_sockaddr_ll" = yes; then
+     { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error 77 "cannot compute sizeof (struct sockaddr_ll)
+See \`config.log' for more details" "$LINENO" 5; }
+   else
+     ac_cv_sizeof_struct_sockaddr_ll=0
+   fi
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_struct_sockaddr_ll" >&5
+$as_echo "$ac_cv_sizeof_struct_sockaddr_ll" >&6; }
+
+
+
+cat >>confdefs.h <<_ACEOF
+#define SIZEOF_STRUCT_SOCKADDR_LL $ac_cv_sizeof_struct_sockaddr_ll
+_ACEOF
+
+
+	# The cast to long int works around a bug in the HP C Compiler
+# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
+# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
+# This bug is HP SR number 8606223364.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of struct sockaddr_dl" >&5
+$as_echo_n "checking size of struct sockaddr_dl... " >&6; }
+if ${ac_cv_sizeof_struct_sockaddr_dl+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (struct sockaddr_dl))" "ac_cv_sizeof_struct_sockaddr_dl"        "
+		#include <sys/types.h>
+		#include <sys/socket.h>
+		#include <net/if_dl.h>
+"; then :
+
+else
+  if test "$ac_cv_type_struct_sockaddr_dl" = yes; then
+     { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error 77 "cannot compute sizeof (struct sockaddr_dl)
+See \`config.log' for more details" "$LINENO" 5; }
+   else
+     ac_cv_sizeof_struct_sockaddr_dl=0
+   fi
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_struct_sockaddr_dl" >&5
+$as_echo "$ac_cv_sizeof_struct_sockaddr_dl" >&6; }
+
+
+
+cat >>confdefs.h <<_ACEOF
+#define SIZEOF_STRUCT_SOCKADDR_DL $ac_cv_sizeof_struct_sockaddr_dl
+_ACEOF
+
+
+
+
+	# The cast to long int works around a bug in the HP C Compiler
+# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
+# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
+# This bug is HP SR number 8606223364.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of socklen_t" >&5
+$as_echo_n "checking size of socklen_t... " >&6; }
+if ${ac_cv_sizeof_socklen_t+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (socklen_t))" "ac_cv_sizeof_socklen_t"        "
+		#include <sys/types.h>
+		#include <sys/socket.h>
+"; then :
+
+else
+  if test "$ac_cv_type_socklen_t" = yes; then
+     { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error 77 "cannot compute sizeof (socklen_t)
+See \`config.log' for more details" "$LINENO" 5; }
+   else
+     ac_cv_sizeof_socklen_t=0
+   fi
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_socklen_t" >&5
+$as_echo "$ac_cv_sizeof_socklen_t" >&6; }
+
+
+
+cat >>confdefs.h <<_ACEOF
+#define SIZEOF_SOCKLEN_T $ac_cv_sizeof_socklen_t
+_ACEOF
+
+
+	if test ${ac_cv_sizeof_socklen_t} -gt 0
+	then
+
+ typename=`echo socklen_t | sed "s/[^a-zA-Z0-9_]/_/g"`
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether socklen_t is signed" >&5
+$as_echo_n "checking whether socklen_t is signed... " >&6; }
+if eval \${ax_cv_decl_${typename}_signed+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+
+   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sys/types.h>
+			 #include <sys/socket.h>
+int
+main ()
+{
+ int foo [ 1 - 2 * !(((socklen_t) -1) < 0) ]
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+   eval "ax_cv_decl_${typename}_signed=\"yes\""
+else
+   eval "ax_cv_decl_${typename}_signed=\"no\""
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+eval ac_res=\$ax_cv_decl_${typename}_signed
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+ symbolname=`echo socklen_t | sed "s/[^a-zA-Z0-9_]/_/g" | tr "a-z" "A-Z"`
+ if eval "test \"\${ax_cv_decl_${typename}_signed}\" = \"yes\""; then
+
+$as_echo "#define HCL_SOCKLEN_T_IS_SIGNED 1" >>confdefs.h
+
+ elif eval "test \"\${ax_cv_decl_${typename}_signed}\" = \"no\""; then
+    $as_echo_n ""
+ fi
+
+	fi
+
+	# The cast to long int works around a bug in the HP C Compiler
+# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
+# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
+# This bug is HP SR number 8606223364.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of sa_family_t" >&5
+$as_echo_n "checking size of sa_family_t... " >&6; }
+if ${ac_cv_sizeof_sa_family_t+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (sa_family_t))" "ac_cv_sizeof_sa_family_t"        "
+		#include <sys/types.h>
+		#include <sys/socket.h>
+		#include <netinet/in.h>
+"; then :
+
+else
+  if test "$ac_cv_type_sa_family_t" = yes; then
+     { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error 77 "cannot compute sizeof (sa_family_t)
+See \`config.log' for more details" "$LINENO" 5; }
+   else
+     ac_cv_sizeof_sa_family_t=0
+   fi
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_sa_family_t" >&5
+$as_echo "$ac_cv_sizeof_sa_family_t" >&6; }
+
+
+
+cat >>confdefs.h <<_ACEOF
+#define SIZEOF_SA_FAMILY_T $ac_cv_sizeof_sa_family_t
+_ACEOF
+
+
+	if test ${ac_cv_sizeof_sa_family_t} -gt 0
+	then
+
+ typename=`echo sa_family_t | sed "s/[^a-zA-Z0-9_]/_/g"`
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether sa_family_t is signed" >&5
+$as_echo_n "checking whether sa_family_t is signed... " >&6; }
+if eval \${ax_cv_decl_${typename}_signed+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+
+   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sys/types.h>
+			 #include <sys/socket.h>
+			 #include <netinet/in.h>
+int
+main ()
+{
+ int foo [ 1 - 2 * !(((sa_family_t) -1) < 0) ]
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+   eval "ax_cv_decl_${typename}_signed=\"yes\""
+else
+   eval "ax_cv_decl_${typename}_signed=\"no\""
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+eval ac_res=\$ax_cv_decl_${typename}_signed
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+ symbolname=`echo sa_family_t | sed "s/[^a-zA-Z0-9_]/_/g" | tr "a-z" "A-Z"`
+ if eval "test \"\${ax_cv_decl_${typename}_signed}\" = \"yes\""; then
+
+$as_echo "#define HCL_SA_FAMILY_T_IS_SIGNED 1" >>confdefs.h
+
+ elif eval "test \"\${ax_cv_decl_${typename}_signed}\" = \"no\""; then
+    $as_echo_n ""
+ fi
+
+	fi
+
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking offset of sa_family in struct sockaddr" >&5
+$as_echo_n "checking offset of sa_family in struct sockaddr... " >&6; }
+	if ac_fn_c_compute_int "$LINENO" "offsetof(struct sockaddr, sa_family)" "ac_cv_offsetof_sa_family"        "#include <stddef.h>
+		 #include <sys/types.h>
+		 #include <sys/socket.h>"; then :
+
+else
+  ac_cv_offsteof_sa_family=0
+fi
+
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_offsetof_sa_family" >&5
+$as_echo "$ac_cv_offsetof_sa_family" >&6; }
+
+cat >>confdefs.h <<_ACEOF
+#define HCL_OFFSETOF_SA_FAMILY ${ac_cv_offsetof_sa_family}
+_ACEOF
+
+fi
+
 if test ${ac_cv_sizeof___int128_t} -gt 0
 then
 	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking __int128_t with %" >&5
@@ -19838,6 +20632,52 @@ cat >>confdefs.h <<_ACEOF
 #define HCL_MBLEN_MAX ${ax_cv_numvalof_MB_LEN_MAX}
 _ACEOF
 
+if test ${ax_cv_numvalof_PATH_MAX} -gt 0
+then
+
+cat >>confdefs.h <<_ACEOF
+#define HCL_PATH_MAX ${ax_cv_numvalof_PATH_MAX}
+_ACEOF
+
+fi
+
+
+cat >>confdefs.h <<_ACEOF
+#define HCL_SIZEOF_STRUCT_SOCKADDR_IN ${ac_cv_sizeof_struct_sockaddr_in}
+_ACEOF
+
+
+cat >>confdefs.h <<_ACEOF
+#define HCL_SIZEOF_STRUCT_SOCKADDR_IN6 ${ac_cv_sizeof_struct_sockaddr_in6}
+_ACEOF
+
+
+cat >>confdefs.h <<_ACEOF
+#define HCL_SIZEOF_STRUCT_SOCKADDR_LL ${ac_cv_sizeof_struct_sockaddr_ll}
+_ACEOF
+
+
+cat >>confdefs.h <<_ACEOF
+#define HCL_SIZEOF_STRUCT_SOCKADDR_UN ${ac_cv_sizeof_struct_sockaddr_un}
+_ACEOF
+
+
+cat >>confdefs.h <<_ACEOF
+#define HCL_SIZEOF_STRUCT_SOCKADDR_DL ${ac_cv_sizeof_struct_sockaddr_dl}
+_ACEOF
+
+
+
+
+cat >>confdefs.h <<_ACEOF
+#define HCL_SIZEOF_SOCKLEN_T ${ac_cv_sizeof_socklen_t}
+_ACEOF
+
+
+cat >>confdefs.h <<_ACEOF
+#define HCL_SIZEOF_SA_FAMILY_T ${ac_cv_sizeof_sa_family_t}
+_ACEOF
+
 
 hcl_package_version_major="`echo ${PACKAGE_VERSION} | cut -d. -f1`"
 hcl_package_version_minor="`echo ${PACKAGE_VERSION} | cut -d. -f2`"
@@ -20289,6 +21129,23 @@ else
 fi
 
 
+# Check whether --enable-hcls was given.
+if test "${enable_hcls+set}" = set; then :
+  enableval=$enable_hcls; enable_hcls_is=$enableval
+else
+  enable_hcls_is=no
+
+fi
+
+ if test "${enable_hcls_is}" = "yes"; then
+  ENABLE_HCLS_TRUE=
+  ENABLE_HCLS_FALSE='#'
+else
+  ENABLE_HCLS_TRUE='#'
+  ENABLE_HCLS_FALSE=
+fi
+
+
 HCL_SIZEOF_WCHAR_T=$ac_cv_sizeof_wchar_t
 
 HCL_SIZEOF_CHAR16_T=$ac_cv_sizeof_char16_t
@@ -20487,6 +21344,10 @@ if test -z "${ENABLE_LIBLTDL_TRUE}" && test -z "${ENABLE_LIBLTDL_FALSE}"; then
   as_fn_error $? "conditional \"ENABLE_LIBLTDL\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
+if test -z "${ENABLE_HCLS_TRUE}" && test -z "${ENABLE_HCLS_FALSE}"; then
+  as_fn_error $? "conditional \"ENABLE_HCLS\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
 
 : "${CONFIG_STATUS=./config.status}"
 ac_write_fail=0
@@ -22170,7 +23031,6 @@ $as_echo X"$file" |
     cat <<_LT_EOF >> "$cfgfile"
 #! $SHELL
 # Generated automatically by $as_me ($PACKAGE) $VERSION
-# Libtool was configured on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
 # NOTE: Changes made to this file will be lost: look at ltmain.sh.
 
 # Provide generalized library-building support services.
diff --git a/configure.ac b/configure.ac
index c7aee5d..016e89c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -257,6 +257,117 @@ AC_CHECK_SIZEOF(off64_t)
 
 AC_CHECK_SIZEOF(mbstate_t,,[#include <wchar.h>])
 AX_CHECK_NUMVALOF(MB_LEN_MAX,[32],[#include <limits.h>])
+AX_CHECK_NUMVALOF(PATH_MAX,[0],[#include <limits.h>])
+
+if test "x${platform_win32}" = "xyes"
+then
+	AC_CHECK_SIZEOF(struct sockaddr_in,,[
+		#include <winsock2.h>
+		#include <ws2tcpip.h>])
+	AC_CHECK_SIZEOF(struct sockaddr_in6,,[
+		#include <winsock2.h>
+		#include <ws2tcpip.h>])
+	AC_CHECK_SIZEOF(struct sockaddr_un,,[
+		#include <winsock2.h>
+		#include <ws2tcpip.h>])
+	AC_CHECK_SIZEOF(struct sockaddr_ll,,[
+		#include <winsock2.h>
+		#include <ws2tcpip.h>])
+	AC_CHECK_SIZEOF(struct sockaddr_dl,,[
+		#include <winsock2.h>
+		#include <ws2tcpip.h>])
+
+	AC_CHECK_SIZEOF(socklen_t,, [
+		#include <winsock2.h>
+		#include <ws2tcpip.h>])
+	if test ${ac_cv_sizeof_socklen_t} -gt 0
+	then
+		AX_CHECK_SIGN([socklen_t],
+			[ AC_DEFINE(HCL_SOCKLEN_T_IS_SIGNED, 1, [Define if socklen_t is signed]) ],
+			[ AS_ECHO_N("") ],
+			[#include <winsock2.h>
+			 #include <ws2tcpip.h>])
+	fi
+
+	AC_CHECK_SIZEOF(sa_family_t,, [
+		#include <winsock2.h>
+		#include <ws2tcpip.h>])
+	if test ${ac_cv_sizeof_sa_family_t} -gt 0
+	then
+		AX_CHECK_SIGN([sa_family_t],
+			[ AC_DEFINE(HCL_SA_FAMILY_T_IS_SIGNED, 1, [Define if sa_family_t is signed]) ],
+			[ AS_ECHO_N("") ],
+			[#include <winsock2.h>
+			 #include <ws2tcpip.h>])
+	fi
+
+	AC_MSG_CHECKING([offset of sa_family in struct sockaddr])
+	AC_COMPUTE_INT([ac_cv_offsetof_sa_family],
+		[[offsetof(struct sockaddr, sa_family)]],
+		[#include <stddef.h>
+		 #include <winsock2.h>
+		 #include <ws2tcpip.h>], [ac_cv_offsteof_sa_family=0])
+	AC_MSG_RESULT([$ac_cv_offsetof_sa_family])
+	AC_DEFINE_UNQUOTED(HCL_OFFSETOF_SA_FAMILY, ${ac_cv_offsetof_sa_family}, [offsetof(struct sockaddr, sa_family)])
+
+else
+	AC_CHECK_SIZEOF(struct sockaddr_in,,[
+		#include <sys/types.h>
+		#include <sys/socket.h>
+		#include <netinet/in.h>])
+	AC_CHECK_SIZEOF(struct sockaddr_in6,,[
+		#include <sys/types.h>
+		#include <sys/socket.h>
+		#include <netinet/in.h>])
+	AC_CHECK_SIZEOF(struct sockaddr_un,,[
+		#include <sys/types.h>
+		#include <sys/socket.h>
+		#include <sys/un.h>])
+	AC_CHECK_SIZEOF(struct sockaddr_ll,,[
+		#include <sys/types.h>
+		#include <sys/socket.h>
+		#include <netpacket/packet.h>])
+	AC_CHECK_SIZEOF(struct sockaddr_dl,,[
+		#include <sys/types.h>
+		#include <sys/socket.h>
+		#include <net/if_dl.h>])
+
+
+	AC_CHECK_SIZEOF(socklen_t,, [
+		#include <sys/types.h>
+		#include <sys/socket.h>])
+	if test ${ac_cv_sizeof_socklen_t} -gt 0
+	then
+		AX_CHECK_SIGN([socklen_t],
+			[ AC_DEFINE(HCL_SOCKLEN_T_IS_SIGNED, 1, [Define if socklen_t is signed]) ],
+			[ AS_ECHO_N("") ],
+			[#include <sys/types.h>
+			 #include <sys/socket.h>])
+	fi
+
+	AC_CHECK_SIZEOF(sa_family_t,, [
+		#include <sys/types.h>
+		#include <sys/socket.h>
+		#include <netinet/in.h>])
+	if test ${ac_cv_sizeof_sa_family_t} -gt 0
+	then
+		AX_CHECK_SIGN([sa_family_t],
+			[ AC_DEFINE(HCL_SA_FAMILY_T_IS_SIGNED, 1, [Define if sa_family_t is signed]) ],
+			[ AS_ECHO_N("") ],
+			[#include <sys/types.h>
+			 #include <sys/socket.h>
+			 #include <netinet/in.h>])
+	fi
+
+	AC_MSG_CHECKING([offset of sa_family in struct sockaddr])
+	AC_COMPUTE_INT([ac_cv_offsetof_sa_family],
+		[[offsetof(struct sockaddr, sa_family)]],
+		[#include <stddef.h>
+		 #include <sys/types.h>
+		 #include <sys/socket.h>], [ac_cv_offsteof_sa_family=0])
+	AC_MSG_RESULT([$ac_cv_offsetof_sa_family])
+	AC_DEFINE_UNQUOTED(HCL_OFFSETOF_SA_FAMILY, ${ac_cv_offsetof_sa_family}, [offsetof(struct sockaddr, sa_family)])
+fi
 
 dnl gcc 3.4.3 on opensolaris x86 gave this warning without -msse or 
 dnl something similar.
@@ -384,6 +495,20 @@ AC_DEFINE_UNQUOTED(HCL_SIZEOF_OFF64_T, ${ac_cv_sizeof_off64_t}, [sizeof(off64_t)
 
 AC_DEFINE_UNQUOTED(HCL_SIZEOF_MBSTATE_T, ${ac_cv_sizeof_mbstate_t}, [sizeof(mbstate_t)])
 AC_DEFINE_UNQUOTED(HCL_MBLEN_MAX, ${ax_cv_numvalof_MB_LEN_MAX}, [MB_LEN_MAX])
+if test ${ax_cv_numvalof_PATH_MAX} -gt 0
+then
+	AC_DEFINE_UNQUOTED(HCL_PATH_MAX, ${ax_cv_numvalof_PATH_MAX}, [PATH_MAX])
+fi
+
+AC_DEFINE_UNQUOTED(HCL_SIZEOF_STRUCT_SOCKADDR_IN, ${ac_cv_sizeof_struct_sockaddr_in}, [sizeof(struct sockaddr_in)])
+AC_DEFINE_UNQUOTED(HCL_SIZEOF_STRUCT_SOCKADDR_IN6, ${ac_cv_sizeof_struct_sockaddr_in6}, [sizeof(struct sockaddr_in6)])
+AC_DEFINE_UNQUOTED(HCL_SIZEOF_STRUCT_SOCKADDR_LL, ${ac_cv_sizeof_struct_sockaddr_ll}, [sizeof(struct sockaddr_ll)])
+AC_DEFINE_UNQUOTED(HCL_SIZEOF_STRUCT_SOCKADDR_UN, ${ac_cv_sizeof_struct_sockaddr_un}, [sizeof(struct sockaddr_un)])
+AC_DEFINE_UNQUOTED(HCL_SIZEOF_STRUCT_SOCKADDR_DL, ${ac_cv_sizeof_struct_sockaddr_dl}, [sizeof(struct sockaddr_dl)])
+
+
+AC_DEFINE_UNQUOTED(HCL_SIZEOF_SOCKLEN_T, ${ac_cv_sizeof_socklen_t}, [sizeof(socklen_t)])
+AC_DEFINE_UNQUOTED(HCL_SIZEOF_SA_FAMILY_T, ${ac_cv_sizeof_sa_family_t}, [sizeof(sa_family_t)])
 
 hcl_package_version_major="`echo ${PACKAGE_VERSION} | cut -d. -f1`"
 hcl_package_version_minor="`echo ${PACKAGE_VERSION} | cut -d. -f2`"
@@ -510,6 +635,14 @@ then
 fi
 AM_CONDITIONAL(ENABLE_LIBLTDL, test "${enable_libltdl_is}" = "yes")
 
+dnl ===== enable-hcls =====
+AC_ARG_ENABLE([hcls],
+	[AS_HELP_STRING([--enable-hcls],[build libhcls and hcls(default. no)])],
+	enable_hcls_is=$enableval,
+	enable_hcls_is=no
+)
+AM_CONDITIONAL(ENABLE_HCLS, test "${enable_hcls_is}" = "yes")
+
 AC_SUBST(HCL_SIZEOF_WCHAR_T, $ac_cv_sizeof_wchar_t)
 AC_SUBST(HCL_SIZEOF_CHAR16_T, $ac_cv_sizeof_char16_t)
 AC_SUBST(HCL_SIZEOF_CHAR32_T, $ac_cv_sizeof_char32_t)
diff --git a/lib/Makefile.am b/lib/Makefile.am
index d6e32b3..7c15928 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -43,6 +43,7 @@ pkglib_LTLIBRARIES = libhcl.la
 libhcl_la_SOURCES = \
 	hcl-prv.h \
 	logfmtv.h \
+	sa-utl.h \
 	bigint.c \
 	comp.c \
 	debug.c \
@@ -69,12 +70,14 @@ libhcl_la_LDFLAGS = $(LDFLAGS_LIB_COMMON)
 libhcl_la_LIBADD = $(LIBADD_LIB_COMMON)
 libhcl_la_DEPENDENCIES =
 
+if ENABLE_HCLS
 pkglib_LTLIBRARIES += libhcls.la
 libhcls_la_SOURCES = hcl-s.c hcl-s.h
 libhcls_la_CPPFLAGS = $(CPPFLAGS_LIB_COMMON)
 libhcls_la_LDFLAGS = $(LDFLAGS_LIB_COMMON)
 libhcls_la_LIBADD = $(LIBADD_LIB_COMMON) $(PTHREAD_LIBS)
 libhcls_la_DEPENDENCIES =
+endif
 
 if ENABLE_STATIC_MODULE
 libhcl_la_LIBADD += -lhcl-arr
@@ -94,6 +97,7 @@ if ENABLE_STATIC_MODULE
 hcl_DEPENDENCIES = libhcl.la
 endif
 
+if ENABLE_HCLS
 bin_PROGRAMS += hcls
 hcls_SOURCES = main2.c
 hcls_CPPFLAGS = $(CPPFLAGS_LIB_COMMON)
@@ -102,6 +106,7 @@ hcls_LDADD = $(LIBADD_LIB_COMMON) $(PTHREAD_LIBS) -lhcl -lhcls #-ldyncall_s
 if ENABLE_STATIC_MODULE
 hcls_DEPENDENCIES = libhcl.la libhcls.la
 endif
+endif
 
 install-data-hook:
 	@echo "#ifndef _HCL_CFG_H_" > "$(DESTDIR)$(pkgincludedir)/hcl-cfg.h"
diff --git a/lib/Makefile.in b/lib/Makefile.in
index cfd9f27..caa866e 100644
--- a/lib/Makefile.in
+++ b/lib/Makefile.in
@@ -90,18 +90,21 @@ build_triplet = @build@
 host_triplet = @host@
 @ENABLE_LIBLTDL_TRUE@am__append_1 = $(LTDL_LIBS)
 @ENABLE_LIBLTDL_FALSE@am__append_2 = $(DL_LIBS)
-@ENABLE_STATIC_MODULE_TRUE@am__append_3 = -lhcl-arr -lhcl-dic \
+@ENABLE_HCLS_TRUE@am__append_3 = libhcls.la
+@ENABLE_STATIC_MODULE_TRUE@am__append_4 = -lhcl-arr -lhcl-dic \
 @ENABLE_STATIC_MODULE_TRUE@	-lhcl-str
-@ENABLE_STATIC_MODULE_TRUE@am__append_4 = $(abs_builddir)/../mod/libhcl-arr.la \
+@ENABLE_STATIC_MODULE_TRUE@am__append_5 = $(abs_builddir)/../mod/libhcl-arr.la \
 @ENABLE_STATIC_MODULE_TRUE@	$(abs_builddir)/../mod/libhcl-dic.la \
 @ENABLE_STATIC_MODULE_TRUE@	$(abs_builddir)/../mod/libhcl-str.la
-bin_PROGRAMS = hcl$(EXEEXT) hcls$(EXEEXT)
+bin_PROGRAMS = hcl$(EXEEXT) $(am__EXEEXT_1)
 @ENABLE_STATIC_MODULE_FALSE@hcl_DEPENDENCIES = $(am__DEPENDENCIES_4)
-@ENABLE_STATIC_MODULE_FALSE@hcls_DEPENDENCIES = $(am__DEPENDENCIES_4) \
-@ENABLE_STATIC_MODULE_FALSE@	$(am__DEPENDENCIES_1)
+@ENABLE_HCLS_TRUE@am__append_6 = hcls
+@ENABLE_HCLS_TRUE@@ENABLE_STATIC_MODULE_FALSE@hcls_DEPENDENCIES = $(am__DEPENDENCIES_4) \
+@ENABLE_HCLS_TRUE@@ENABLE_STATIC_MODULE_FALSE@	$(am__DEPENDENCIES_1)
 subdir = lib
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
-am__aclocal_m4_deps = $(top_srcdir)/m4/ax_cxx_namespace.m4 \
+am__aclocal_m4_deps = $(top_srcdir)/m4/ax_check_sign.m4 \
+	$(top_srcdir)/m4/ax_cxx_namespace.m4 \
 	$(top_srcdir)/m4/ax_numval.m4 $(top_srcdir)/m4/ax_pthread.m4 \
 	$(top_srcdir)/m4/libtool.m4 $(top_srcdir)/m4/ltoptions.m4 \
 	$(top_srcdir)/m4/ltsugar.m4 $(top_srcdir)/m4/ltversion.m4 \
@@ -164,18 +167,22 @@ am__v_lt_1 =
 libhcl_la_LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
 	$(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
 	$(libhcl_la_LDFLAGS) $(LDFLAGS) -o $@
-am_libhcls_la_OBJECTS = libhcls_la-hcl-s.lo
+am__libhcls_la_SOURCES_DIST = hcl-s.c hcl-s.h
+@ENABLE_HCLS_TRUE@am_libhcls_la_OBJECTS = libhcls_la-hcl-s.lo
 libhcls_la_OBJECTS = $(am_libhcls_la_OBJECTS)
 libhcls_la_LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
 	$(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
 	$(libhcls_la_LDFLAGS) $(LDFLAGS) -o $@
+@ENABLE_HCLS_TRUE@am_libhcls_la_rpath = -rpath $(pkglibdir)
+@ENABLE_HCLS_TRUE@am__EXEEXT_1 = hcls$(EXEEXT)
 PROGRAMS = $(bin_PROGRAMS)
 am_hcl_OBJECTS = hcl-main.$(OBJEXT)
 hcl_OBJECTS = $(am_hcl_OBJECTS)
 hcl_LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
 	$(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
 	$(hcl_LDFLAGS) $(LDFLAGS) -o $@
-am_hcls_OBJECTS = hcls-main2.$(OBJEXT)
+am__hcls_SOURCES_DIST = main2.c
+@ENABLE_HCLS_TRUE@am_hcls_OBJECTS = hcls-main2.$(OBJEXT)
 hcls_OBJECTS = $(am_hcls_OBJECTS)
 hcls_LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
 	$(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
@@ -216,8 +223,8 @@ am__v_CCLD_0 = @echo "  CCLD    " $@;
 am__v_CCLD_1 = 
 SOURCES = $(libhcl_la_SOURCES) $(libhcls_la_SOURCES) $(hcl_SOURCES) \
 	$(hcls_SOURCES)
-DIST_SOURCES = $(libhcl_la_SOURCES) $(libhcls_la_SOURCES) \
-	$(hcl_SOURCES) $(hcls_SOURCES)
+DIST_SOURCES = $(libhcl_la_SOURCES) $(am__libhcls_la_SOURCES_DIST) \
+	$(hcl_SOURCES) $(am__hcls_SOURCES_DIST)
 am__can_run_installinfo = \
   case $$AM_UPDATE_INFO_DIR in \
     n|no|NO) false;; \
@@ -392,6 +399,7 @@ pdfdir = @pdfdir@
 prefix = @prefix@
 program_transform_name = @program_transform_name@
 psdir = @psdir@
+runstatedir = @runstatedir@
 sbindir = @sbindir@
 sharedstatedir = @sharedstatedir@
 srcdir = @srcdir@
@@ -423,7 +431,7 @@ pkginclude_HEADERS = \
 	hcl-utl.h \
 	hcl.h
 
-pkglib_LTLIBRARIES = libhcl.la libhcls.la
+pkglib_LTLIBRARIES = libhcl.la $(am__append_3)
 libhcl_la_SOURCES = \
 	hcl-prv.h \
 	logfmtv.h \
@@ -451,23 +459,23 @@ libhcl_la_SOURCES = \
 
 libhcl_la_CPPFLAGS = $(CPPFLAGS_LIB_COMMON)
 libhcl_la_LDFLAGS = $(LDFLAGS_LIB_COMMON)
-libhcl_la_LIBADD = $(LIBADD_LIB_COMMON) $(am__append_3)
-libhcl_la_DEPENDENCIES = $(am__append_4)
-libhcls_la_SOURCES = hcl-s.c hcl-s.h
-libhcls_la_CPPFLAGS = $(CPPFLAGS_LIB_COMMON)
-libhcls_la_LDFLAGS = $(LDFLAGS_LIB_COMMON)
-libhcls_la_LIBADD = $(LIBADD_LIB_COMMON) $(PTHREAD_LIBS)
-libhcls_la_DEPENDENCIES = 
+libhcl_la_LIBADD = $(LIBADD_LIB_COMMON) $(am__append_4)
+libhcl_la_DEPENDENCIES = $(am__append_5)
+@ENABLE_HCLS_TRUE@libhcls_la_SOURCES = hcl-s.c hcl-s.h
+@ENABLE_HCLS_TRUE@libhcls_la_CPPFLAGS = $(CPPFLAGS_LIB_COMMON)
+@ENABLE_HCLS_TRUE@libhcls_la_LDFLAGS = $(LDFLAGS_LIB_COMMON)
+@ENABLE_HCLS_TRUE@libhcls_la_LIBADD = $(LIBADD_LIB_COMMON) $(PTHREAD_LIBS)
+@ENABLE_HCLS_TRUE@libhcls_la_DEPENDENCIES = 
 hcl_SOURCES = main.c 
 hcl_CPPFLAGS = $(CPPFLAGS_LIB_COMMON)
 hcl_LDFLAGS = $(LDFLAGS_LIB_COMMON)
 hcl_LDADD = $(LIBADD_LIB_COMMON) -lhcl #-ldyncall_s
 @ENABLE_STATIC_MODULE_TRUE@hcl_DEPENDENCIES = libhcl.la
-hcls_SOURCES = main2.c
-hcls_CPPFLAGS = $(CPPFLAGS_LIB_COMMON)
-hcls_LDFLAGS = $(LDFLAGS_LIB_COMMON)
-hcls_LDADD = $(LIBADD_LIB_COMMON) $(PTHREAD_LIBS) -lhcl -lhcls #-ldyncall_s
-@ENABLE_STATIC_MODULE_TRUE@hcls_DEPENDENCIES = libhcl.la libhcls.la
+@ENABLE_HCLS_TRUE@hcls_SOURCES = main2.c
+@ENABLE_HCLS_TRUE@hcls_CPPFLAGS = $(CPPFLAGS_LIB_COMMON)
+@ENABLE_HCLS_TRUE@hcls_LDFLAGS = $(LDFLAGS_LIB_COMMON)
+@ENABLE_HCLS_TRUE@hcls_LDADD = $(LIBADD_LIB_COMMON) $(PTHREAD_LIBS) -lhcl -lhcls #-ldyncall_s
+@ENABLE_HCLS_TRUE@@ENABLE_STATIC_MODULE_TRUE@hcls_DEPENDENCIES = libhcl.la libhcls.la
 all: hcl-cfg.h
 	$(MAKE) $(AM_MAKEFLAGS) all-am
 
@@ -557,7 +565,7 @@ libhcl.la: $(libhcl_la_OBJECTS) $(libhcl_la_DEPENDENCIES) $(EXTRA_libhcl_la_DEPE
 	$(AM_V_CCLD)$(libhcl_la_LINK) -rpath $(pkglibdir) $(libhcl_la_OBJECTS) $(libhcl_la_LIBADD) $(LIBS)
 
 libhcls.la: $(libhcls_la_OBJECTS) $(libhcls_la_DEPENDENCIES) $(EXTRA_libhcls_la_DEPENDENCIES) 
-	$(AM_V_CCLD)$(libhcls_la_LINK) -rpath $(pkglibdir) $(libhcls_la_OBJECTS) $(libhcls_la_LIBADD) $(LIBS)
+	$(AM_V_CCLD)$(libhcls_la_LINK) $(am_libhcls_la_rpath) $(libhcls_la_OBJECTS) $(libhcls_la_LIBADD) $(LIBS)
 install-binPROGRAMS: $(bin_PROGRAMS)
 	@$(NORMAL_INSTALL)
 	@list='$(bin_PROGRAMS)'; test -n "$(bindir)" || list=; \
diff --git a/lib/hcl-cfg.h.in b/lib/hcl-cfg.h.in
index 99457aa..dd346c7 100644
--- a/lib/hcl-cfg.h.in
+++ b/lib/hcl-cfg.h.in
@@ -264,6 +264,9 @@
 /* MB_LEN_MAX */
 #undef HCL_MBLEN_MAX
 
+/* offsetof(struct sockaddr, sa_family) */
+#undef HCL_OFFSETOF_SA_FAMILY
+
 /* Author */
 #undef HCL_PACKAGE_AUTHOR
 
@@ -285,6 +288,12 @@
 /* Patch level */
 #undef HCL_PACKAGE_VERSION_PATCH
 
+/* PATH_MAX */
+#undef HCL_PATH_MAX
+
+/* Define if sa_family_t is signed */
+#undef HCL_SA_FAMILY_T_IS_SIGNED
+
 /* sizeof(char) */
 #undef HCL_SIZEOF_CHAR
 
@@ -315,9 +324,30 @@
 /* sizeof(off_t) */
 #undef HCL_SIZEOF_OFF_T
 
+/* sizeof(sa_family_t) */
+#undef HCL_SIZEOF_SA_FAMILY_T
+
 /* sizeof(short) */
 #undef HCL_SIZEOF_SHORT
 
+/* sizeof(socklen_t) */
+#undef HCL_SIZEOF_SOCKLEN_T
+
+/* sizeof(struct sockaddr_dl) */
+#undef HCL_SIZEOF_STRUCT_SOCKADDR_DL
+
+/* sizeof(struct sockaddr_in) */
+#undef HCL_SIZEOF_STRUCT_SOCKADDR_IN
+
+/* sizeof(struct sockaddr_in6) */
+#undef HCL_SIZEOF_STRUCT_SOCKADDR_IN6
+
+/* sizeof(struct sockaddr_ll) */
+#undef HCL_SIZEOF_STRUCT_SOCKADDR_LL
+
+/* sizeof(struct sockaddr_un) */
+#undef HCL_SIZEOF_STRUCT_SOCKADDR_UN
+
 /* sizeof(void*) */
 #undef HCL_SIZEOF_VOID_P
 
@@ -348,6 +378,9 @@
 /* sizeof(__uint128_t) */
 #undef HCL_SIZEOF___UINT128_T
 
+/* Define if socklen_t is signed */
+#undef HCL_SOCKLEN_T_IS_SIGNED
+
 /* Unicode character type size */
 #undef HCL_UNICODE_SIZE
 
@@ -357,6 +390,9 @@
 /* The size of `MB_LEN_MAX', as computed by valueof. */
 #undef NUMVALOF_MB_LEN_MAX
 
+/* The size of `PATH_MAX', as computed by valueof. */
+#undef NUMVALOF_PATH_MAX
+
 /* Name of package */
 #undef PACKAGE
 
@@ -418,9 +454,30 @@
 /* The size of `off_t', as computed by sizeof. */
 #undef SIZEOF_OFF_T
 
+/* The size of `sa_family_t', as computed by sizeof. */
+#undef SIZEOF_SA_FAMILY_T
+
 /* The size of `short', as computed by sizeof. */
 #undef SIZEOF_SHORT
 
+/* The size of `socklen_t', as computed by sizeof. */
+#undef SIZEOF_SOCKLEN_T
+
+/* The size of `struct sockaddr_dl', as computed by sizeof. */
+#undef SIZEOF_STRUCT_SOCKADDR_DL
+
+/* The size of `struct sockaddr_in', as computed by sizeof. */
+#undef SIZEOF_STRUCT_SOCKADDR_IN
+
+/* The size of `struct sockaddr_in6', as computed by sizeof. */
+#undef SIZEOF_STRUCT_SOCKADDR_IN6
+
+/* The size of `struct sockaddr_ll', as computed by sizeof. */
+#undef SIZEOF_STRUCT_SOCKADDR_LL
+
+/* The size of `struct sockaddr_un', as computed by sizeof. */
+#undef SIZEOF_STRUCT_SOCKADDR_UN
+
 /* The size of `void *', as computed by sizeof. */
 #undef SIZEOF_VOID_P
 
diff --git a/lib/hcl-prv.h b/lib/hcl-prv.h
index 594bb61..1083d41 100644
--- a/lib/hcl-prv.h
+++ b/lib/hcl-prv.h
@@ -29,7 +29,6 @@
 
 #include "hcl.h"
 #include "hcl-utl.h"
-#include <stdarg.h>
 
 /* you can define this to either 1 or 2 */
 #define HCL_BCODE_LONG_PARAM_SIZE 2
@@ -661,25 +660,6 @@ typedef hcl_ooi_t (*hcl_outbfmt_t) (
 extern "C" {
 #endif
 
-/* ========================================================================= */
-/* err.c                                                                    */
-/* ========================================================================= */
-
-void hcl_seterrbfmtv (
-	hcl_t*           hcl,
-	hcl_errnum_t     errnum,
-	const hcl_bch_t* fmt,
-	va_list          ap
-);
-
-void hcl_seterrufmtv (
-	hcl_t*           hcl,
-	hcl_errnum_t     errnum,
-	const hcl_uch_t* fmt,
-	va_list          ap
-);
-
-
 /* ========================================================================= */
 /* heap.c                                                                    */
 /* ========================================================================= */
diff --git a/lib/hcl-s.c b/lib/hcl-s.c
index ada6c21..1c2766e 100644
--- a/lib/hcl-s.c
+++ b/lib/hcl-s.c
@@ -28,13 +28,8 @@
 #include "hcl-prv.h"
 
 #include <stdio.h>
-#include <stdlib.h>
 #include <string.h>
-#include <limits.h>
 #include <errno.h>
-#include <locale.h>
-#include <assert.h>
-
 
 #if defined(_WIN32)
 #	include <windows.h>
@@ -95,7 +90,6 @@
 #	include <sys/types.h>
 #	include <sys/socket.h>
 #	include <netinet/in.h>
-#	include <arpa/inet.h>
 #	include <pthread.h>
 #	include <sys/uio.h>
 #	include <poll.h>
@@ -129,13 +123,6 @@
 #	endif
 #endif
 
-typedef union sck_addr_t sck_addr_t;
-union sck_addr_t
-{
-	struct sockaddr_in in4;
-	struct sockaddr_in6 in6;
-};
-
 typedef struct bb_t bb_t;
 struct bb_t
 {
@@ -259,12 +246,6 @@ struct hcl_server_t
 	hcl_errnum_t errnum;
 	struct
 	{
-		union
-		{
-			hcl_ooch_t ooch[2048];
-			hcl_bch_t bch[2048];
-			hcl_uch_t uch[2048];
-		} tmpbuf;
 		hcl_ooch_t buf[2048];
 		hcl_oow_t len;
 	} errmsg;
@@ -275,8 +256,9 @@ struct hcl_server_t
 		unsigned int trait;
 		unsigned int logmask;
 		hcl_oow_t worker_stack_size;
-		hcl_oow_t worker_idle_timeout;
+		hcl_ntime_t worker_idle_timeout;
 		hcl_oow_t actor_heap_size;
+		hcl_ntime_t actor_max_runtime;
 	} cfg;
 
 	struct
@@ -431,7 +413,7 @@ static HCL_INLINE int read_input (hcl_t* hcl, hcl_ioinarg_t* arg)
 			}
 			else if (n >= 1) break;
 
-/* TOOD: idle timeout check - compute idling time and check it against server->cfg.idle_timeout */
+/* TOOD: idle timeout check - compute idling time and check it against server->cfg.worker_idle_timeout */
 		}
 		
 		x = recv(bb->fd, &bb->buf[bb->len], HCL_COUNTOF(bb->buf) - bb->len, 0);
@@ -911,30 +893,62 @@ static void vm_checkbc (hcl_t* hcl, hcl_oob_t bcode)
 	worker_hcl_xtn_t* xtn = (worker_hcl_xtn_t*)hcl_getxtn(hcl);
 
 	if (xtn->proto->worker->server->stopreq) hcl_abort(hcl);
+	
 	/* TODO: check how to this vm has been running. too long? abort it */
-
-	/* TODO: check if the worker connection is ok? if not, abort it */
+	/* check agains xtn->proto->worker->server->cfg.actor_max_runtime */
 }
 
 /*
 static void gc_hcl (hcl_t* hcl)
 {
+	worker_hcl_xtn_t* xtn = (worker_hcl_xtn_t*)hcl_getxtn(hcl);
 }
 
 
 static void fini_hcl (hcl_t* hcl)
 {
 	worker_hcl_xtn_t* xtn = (worker_hcl_xtn_t*)hcl_getxtn(hcl);
-	if (xtn->logfd >= 0)
-	{
-		close (xtn->logfd);
-		xtn->logfd = -1;
-		xtn->logfd_istty = 0;
-	}
 }
 */
 /* ========================================================================= */
 
+
+union sockaddr_t
+{
+	struct sockaddr_in in4;
+#if (HCL_SIZEOF_STRUCT_SOCKADDR_IN6 > 0)
+	struct sockaddr_in6 in6;
+#endif
+};
+typedef union sockaddr_t sockaddr_t;
+
+#undef char_t
+#undef oocs_t
+#undef str_to_ipv4
+#undef str_to_ipv6
+#undef str_to_sockaddr
+
+#define ooch_t hcl_bch_t
+#define oocs_t hcl_bcs_t
+#define str_to_ipv4 bchars_to_ipv4
+#define str_to_ipv6 bchars_to_ipv6
+#define str_to_sockaddr bchars_to_sockaddr
+#include "sa-utl.h"
+
+#undef ooch_t
+#undef oocs_t
+#undef str_to_ipv4
+#undef str_to_ipv6
+#undef str_to_sockaddr
+
+#define ooch_t hcl_uch_t
+#define oocs_t hcl_ucs_t
+#define str_to_ipv4 uchars_to_ipv4
+#define str_to_ipv6 uchars_to_ipv6
+#define str_to_sockaddr uchars_to_sockaddr
+#include "sa-utl.h"
+/* ========================================================================= */
+
 #define HCL_SERVER_PROTO_LOG_MASK (HCL_LOG_ERROR | HCL_LOG_APP)
 
 hcl_server_proto_t* hcl_server_proto_open (hcl_oow_t xtnsize, hcl_server_worker_t* worker)
@@ -1044,8 +1058,10 @@ static int write_reply_chunk (hcl_server_proto_t* proto)
 		/*nwritten = writev(proto->worker->sck, (const struct iovec*)&iov[index], count - index);*/
 		if (nwritten <= -1) 
 		{
+			/* error occurred inside the worker thread shouldn't affect the error information
+			 * in the server object. so here, i just log a message */
 			hcl_logbfmt (proto->hcl, HCL_SERVER_PROTO_LOG_MASK, "sendmsg failure on %d - %hs\n", proto->worker->sck, strerror(errno));
-			return -1;
+			return -1; 
 		}
 
 		while (index < count && (size_t)nwritten >= iov[index].iov_len)
@@ -1591,7 +1607,7 @@ static void free_worker (hcl_server_worker_t* worker)
 
 static void add_hcl_server_worker_to_server (hcl_server_t* server, hcl_server_worker_state_t wstate, hcl_server_worker_t* worker)
 {
-	assert (worker->server == server);
+	HCL_ASSERT (server->dummy_hcl, worker->server == server);
 
 	if (server->worker_list[wstate].tail)
 	{
@@ -1615,7 +1631,7 @@ static void zap_worker_in_server (hcl_server_t* server, hcl_server_worker_t* wor
 {
 	hcl_server_worker_state_t wstate;
 	
-	assert (worker->server == server);
+	HCL_ASSERT (server->dummy_hcl, worker->server == server);
 
 	wstate = worker->state;
 	if (worker->prev_worker) worker->prev_worker->next_worker = worker->next_worker;
@@ -1637,7 +1653,7 @@ static void* worker_main (void* ctx)
 	pthread_sigmask (SIG_BLOCK, &set, HCL_NULL);
 
 	worker->thr = pthread_self();
-	worker->proto = hcl_server_proto_open(0, worker); /* TODO: get this from argumen */
+	worker->proto = hcl_server_proto_open(0, worker);
 	if (!worker->proto)
 	{
 		free_worker (worker);
@@ -1711,9 +1727,71 @@ void hcl_server_logufmt (hcl_server_t* server, unsigned int mask, const hcl_uch_
 	va_end (ap);
 }
 
-int hcl_server_start (hcl_server_t* server, const char* addrs)
+
+static void set_err_with_syserr (hcl_server_t* server, int syserr, const char* bfmt, ...)
 {
-	sck_addr_t srv_addr;
+	hcl_t* hcl = server->dummy_hcl;
+	hcl_errnum_t errnum;
+	hcl_oow_t tmplen, tmplen2;
+	va_list ap;
+	
+	static hcl_bch_t b_dash[] = { ' ', '-', ' ', '\0' };
+	static hcl_uch_t u_dash[] = { ' ', '-', ' ', '\0' };
+
+	if (hcl->shuterr) return;
+
+	errnum = hcl_syserr_to_errnum(syserr);
+	if (hcl->vmprim.syserrstrb)
+	{
+		hcl->vmprim.syserrstrb (hcl, syserr, hcl->errmsg.tmpbuf.bch, HCL_COUNTOF(hcl->errmsg.tmpbuf.bch));
+		
+		va_start (ap, bfmt);
+		hcl_seterrbfmtv (hcl, errnum, bfmt, ap);
+		va_end (ap);
+
+	#if defined(HCL_OOCH_IS_BCH)
+		hcl->errmsg.len += hcl_copybcstr (&hcl->errmsg.buf[hcl->errmsg.len], HCL_COUNTOF(hcl->errmsg.buf) - hcl->errmsg.len, b_dash);
+		hcl->errmsg.len += hcl_copybcstr (&hcl->errmsg.buf[hcl->errmsg.len], HCL_COUNTOF(hcl->errmsg.buf) - hcl->errmsg.len, hcl->errmsg.tmpbuf.bch);
+	#else
+		hcl->errmsg.len += hcl_copyucstr (&hcl->errmsg.buf[hcl->errmsg.len], HCL_COUNTOF(hcl->errmsg.buf) - hcl->errmsg.len, u_dash);
+		tmplen = hcl_countbcstr(hcl->errmsg.tmpbuf.bch);
+		tmplen2 = HCL_COUNTOF(hcl->errmsg.buf) - hcl->errmsg.len;
+		hcl_convbtouchars (hcl, hcl->errmsg.tmpbuf.bch, &tmplen, &hcl->errmsg.buf[hcl->errmsg.len], &tmplen2);
+		hcl->errmsg.len += tmplen2; /* ignore conversion errors */
+	#endif
+	}
+	else
+	{
+		HCL_ASSERT (hcl, hcl->vmprim.syserrstru != HCL_NULL);
+
+		hcl->vmprim.syserrstru (hcl, syserr, hcl->errmsg.tmpbuf.uch, HCL_COUNTOF(hcl->errmsg.tmpbuf.uch));
+
+		va_start (ap, bfmt);
+		hcl_seterrbfmtv (hcl, errnum, bfmt, ap);
+		va_end (ap);
+
+	#if defined(HCL_OOCH_IS_BCH)
+		hcl->errmsg.len += hcl_copybcstr (&hcl->errmsg.buf[hcl->errmsg.len], HCL_COUNTOF(hcl->errmsg.buf) - hcl->errmsg.len, b_dash);
+		
+		tmplen = hcl_countucstr(hcl->errmsg.tmpbuf.uch);
+		tmplen2 = HCL_COUNTOF(hcl->errmsg.buf) - hcl->errmsg.len;
+		hcl_convutobchars (hcl, hcl->errmsg.tmpbuf.uch, &tmplen, &hcl->errmsg.buf[hcl->errmsg.len], &tmplen2);
+		hcl->errmsg.len += tmplen2; /* ignore conversion errors */
+	#else
+		hcl->errmsg.len += hcl_copyucstr (&hcl->errmsg.buf[hcl->errmsg.len], HCL_COUNTOF(hcl->errmsg.buf) - hcl->errmsg.len, u_dash);
+		hcl->errmsg.len += hcl_copyucstr (&hcl->errmsg.buf[hcl->errmsg.len], HCL_COUNTOF(hcl->errmsg.buf) - hcl->errmsg.len, hcl->errmsg.tmpbuf.uch);
+	#endif
+
+	}
+
+	server->errnum = errnum;
+	hcl_copyoochars (server->errmsg.buf, server->dummy_hcl->errmsg.buf, HCL_COUNTOF(server->errmsg.buf));
+	server->errmsg.len = server->dummy_hcl->errmsg.len;
+}
+
+int hcl_server_start (hcl_server_t* server, const hcl_bch_t* addrs)
+{
+	sockaddr_t srv_addr;
 	int srv_fd, sck_fam;
 	int optval;
 	socklen_t srv_len;
@@ -1722,36 +1800,13 @@ int hcl_server_start (hcl_server_t* server, const char* addrs)
 /* TODO: interprete 'addrs' as a command-separated address list 
  *  192.168.1.1:20,[::1]:20,127.0.0.1:345
  */
-	HCL_MEMSET (&srv_addr, 0, HCL_SIZEOF(srv_addr));
-	if (inet_pton(AF_INET6, addrs, &srv_addr.in6.sin6_addr) != 1)
-	{
-		if (inet_pton(AF_INET, addrs, &srv_addr.in4.sin_addr) != 1)
-		{
-			fprintf (stderr, "cannot open convert server address %s - %s\n", addrs, strerror(errno));
-			return -1;
-		}
-		else
-		{
-			srv_addr.in4.sin_family = AF_INET;
-			srv_addr.in4.sin_port = htons(8888); /* TODO: change it */
-			srv_len = HCL_SIZEOF(srv_addr.in4);
-			sck_fam = AF_INET;
-		}
-	}
-	else
-	{
-		srv_addr.in6.sin6_family = AF_INET6;
-		srv_addr.in6.sin6_port = htons(8888); /* TODO: change it */
-		srv_len = HCL_SIZEOF(srv_addr.in6);
-		sck_fam = AF_INET6;
-	}
+	sck_fam = bchars_to_sockaddr(server, addrs, hcl_countbcstr(addrs), &srv_addr, &srv_len);
+	if (sck_fam <= -1) return -1;
 
 	srv_fd = socket(sck_fam, SOCK_STREAM, 0);
 	if (srv_fd == -1)
 	{
-		int xerrno = errno;
-		hcl_server_seterrnum (server, hcl_syserr_to_errnum(xerrno));
-		hcl_server_logbfmt (server, HCL_SERVER_PROTO_LOG_MASK, "cannot open server socket - %s\n", strerror(xerrno));
+		set_err_with_syserr (server, errno, "unable to open server socket");
 		return -1;
 	}
 
@@ -1760,18 +1815,14 @@ int hcl_server_start (hcl_server_t* server, const char* addrs)
 
 	if (bind(srv_fd, (struct sockaddr*)&srv_addr, srv_len) == -1)
 	{
-		int xerrno = errno;
-		hcl_server_seterrnum (server, hcl_syserr_to_errnum(xerrno));
-		hcl_server_logbfmt (server, HCL_SERVER_PROTO_LOG_MASK, "cannot bind server socket %d - %s\n", srv_fd, strerror(xerrno));
+		set_err_with_syserr (server, errno, "unable to bind server socket %d", srv_fd);
 		close (srv_fd);
 		return -1;
 	}
 
-	if (listen (srv_fd, 128) == -1)
+	if (listen(srv_fd, 128) == -1)
 	{
-		int xerrno = errno;
-		hcl_server_seterrnum (server, hcl_syserr_to_errnum(xerrno));
-		hcl_server_logbfmt (server, HCL_SERVER_PROTO_LOG_MASK, "cannot listen on server socket %d - %s\n", srv_fd, strerror(xerrno));
+		set_err_with_syserr (server, errno, "unable to listen on server socket %d", srv_fd);
 		close (srv_fd);
 		return -1;
 	}
@@ -1782,7 +1833,7 @@ int hcl_server_start (hcl_server_t* server, const char* addrs)
 	server->stopreq = 0;
 	while (!server->stopreq)
 	{
-		sck_addr_t cli_addr;
+		sockaddr_t cli_addr;
 		int cli_fd;
 		socklen_t cli_len;
 		pthread_t thr;
@@ -1795,12 +1846,7 @@ int hcl_server_start (hcl_server_t* server, const char* addrs)
 		cli_fd = accept(srv_fd, (struct sockaddr*)&cli_addr, &cli_len);
 		if (cli_fd == -1)
 		{
-			if (errno != EINTR || !server->stopreq)
-			{
-				int xerrno = errno;
-				hcl_server_seterrnum (server, hcl_syserr_to_errnum(xerrno));
-				hcl_server_logbfmt (server, HCL_SERVER_PROTO_LOG_MASK, "cannot accept worker on socket %d - %s\n", srv_fd, strerror(xerrno));
-			}
+			if (errno != EINTR || !server->stopreq) set_err_with_syserr (server, errno, "unable to accept worker on socket %d", srv_fd);
 			break;
 		}
 
@@ -1838,11 +1884,18 @@ int hcl_server_setoption (hcl_server_t* server, hcl_server_option_t id, const vo
 		case HCL_SERVER_WORKER_STACK_SIZE:
 			server->cfg.worker_stack_size = *(hcl_oow_t*)value;
 			return 0;
+			
+		case HCL_SERVER_WORKER_IDLE_TIMEOUT:
+			server->cfg.worker_idle_timeout = *(hcl_ntime_t*)value;
+			return 0;
 
 		case HCL_SERVER_ACTOR_HEAP_SIZE:
 			server->cfg.actor_heap_size = *(hcl_oow_t*)value;
 			return 0;
-
+			
+		case HCL_SERVER_ACTOR_MAX_RUNTIME:
+			server->cfg.actor_max_runtime = *(hcl_ntime_t*)value;
+			return 0;
 	}
 
 	hcl_server_seterrnum (server, HCL_EINVAL);
@@ -1864,10 +1917,18 @@ int hcl_server_getoption (hcl_server_t* server, hcl_server_option_t id, void* va
 		case HCL_SERVER_WORKER_STACK_SIZE:
 			*(hcl_oow_t*)value = server->cfg.worker_stack_size;
 			return 0;
+			
+		case HCL_SERVER_WORKER_IDLE_TIMEOUT:
+			*(hcl_ntime_t*)value = server->cfg.worker_idle_timeout;
+			return 0;
 
 		case HCL_SERVER_ACTOR_HEAP_SIZE:
 			*(hcl_oow_t*)value = server->cfg.actor_heap_size;
 			return 0;
+
+		case HCL_SERVER_ACTOR_MAX_RUNTIME:
+			*(hcl_ntime_t*)value = server->cfg.actor_max_runtime;
+			return 0;
 	};
 
 	hcl_server_seterrnum (server, HCL_EINVAL);
@@ -1916,3 +1977,31 @@ void hcl_server_seterrnum (hcl_server_t* server, hcl_errnum_t errnum)
 	server->errnum = errnum;
 	server->errmsg.len = 0;
 }
+
+void hcl_server_seterrbfmt (hcl_server_t* server, hcl_errnum_t errnum, const hcl_bch_t* fmt, ...)
+{
+	va_list ap;
+
+	va_start (ap, fmt);
+	hcl_seterrbfmtv (server->dummy_hcl, errnum, fmt, ap);
+	va_end (ap);
+
+	HCL_ASSERT (server->dummy_hcl, HCL_COUNTOF(server->errmsg.buf) == HCL_COUNTOF(server->dummy_hcl->errmsg.buf));
+	server->errnum = errnum;
+	hcl_copyoochars (server->errmsg.buf, server->dummy_hcl->errmsg.buf, HCL_COUNTOF(server->errmsg.buf));
+	server->errmsg.len = server->dummy_hcl->errmsg.len;
+}
+
+void hcl_server_seterrufmt (hcl_server_t* server, hcl_errnum_t errnum, const hcl_uch_t* fmt, ...)
+{
+	va_list ap;
+
+	va_start (ap, fmt);
+	hcl_seterrufmtv (server->dummy_hcl, errnum, fmt, ap);
+	va_end (ap);
+
+	HCL_ASSERT (server->dummy_hcl, HCL_COUNTOF(server->errmsg.buf) == HCL_COUNTOF(server->dummy_hcl->errmsg.buf));
+	server->errnum = errnum;
+	hcl_copyoochars (server->errmsg.buf, server->dummy_hcl->errmsg.buf, HCL_COUNTOF(server->errmsg.buf));
+	server->errmsg.len = server->dummy_hcl->errmsg.len;
+}
diff --git a/lib/hcl-s.h b/lib/hcl-s.h
index 2a7e762..9eb98bc 100644
--- a/lib/hcl-s.h
+++ b/lib/hcl-s.h
@@ -38,7 +38,9 @@ enum hcl_server_option_t
 	HCL_SERVER_TRAIT,
 	HCL_SERVER_LOG_MASK,
 	HCL_SERVER_WORKER_STACK_SIZE,
-	HCL_SERVER_ACTOR_HEAP_SIZE
+	HCL_SERVER_WORKER_IDLE_TIMEOUT,
+	HCL_SERVER_ACTOR_HEAP_SIZE,
+	HCL_SERVER_ACTOR_MAX_RUNTIME
 };
 typedef enum hcl_server_option_t hcl_server_option_t;
 
@@ -86,8 +88,8 @@ HCL_EXPORT void hcl_server_close (
 );
 
 HCL_EXPORT int hcl_server_start (
-	hcl_server_t* server,
-	const char*   addrs
+	hcl_server_t*    server,
+	const hcl_bch_t* addrs
 );
 
 HCL_EXPORT void hcl_server_stop (
@@ -129,11 +131,33 @@ HCL_EXPORT hcl_errnum_t hcl_server_geterrnum (
 	hcl_server_t* server
 );
 
+HCL_EXPORT const hcl_ooch_t* hcl_server_geterrstr (
+	hcl_server_t* server
+);
+
+HCL_EXPORT const hcl_ooch_t* hcl_server_geterrmsg (
+	hcl_server_t* server
+);
+
 HCL_EXPORT void hcl_server_seterrnum (
 	hcl_server_t* server,
 	hcl_errnum_t  errnum
 );
 
+HCL_EXPORT void hcl_server_seterrbfmt (
+	hcl_server_t*    server,
+	hcl_errnum_t     errnum,
+	const hcl_bch_t* fmt,
+	...
+);
+
+HCL_EXPORT void hcl_server_seterrufmt (
+	hcl_server_t*    server,
+	hcl_errnum_t     errnum,
+	const hcl_uch_t* fmt,
+	...
+);
+
 HCL_EXPORT void hcl_server_logbfmt (
 	hcl_server_t*    server,
 	unsigned int     mask,
diff --git a/lib/hcl.h b/lib/hcl.h
index 4b5508b..b7c421a 100644
--- a/lib/hcl.h
+++ b/lib/hcl.h
@@ -1471,6 +1471,20 @@ HCL_EXPORT void hcl_seterrufmt (
 	...
 );
 
+HCL_EXPORT void hcl_seterrbfmtv (
+	hcl_t*           hcl,
+	hcl_errnum_t     errnum,
+	const hcl_bch_t* fmt,
+	va_list          ap
+);
+
+HCL_EXPORT void hcl_seterrufmtv (
+	hcl_t*           hcl,
+	hcl_errnum_t     errnum,
+	const hcl_uch_t* fmt,
+	va_list          ap
+);
+
 HCL_EXPORT const hcl_ooch_t* hcl_geterrstr (
 	hcl_t* hcl
 );
diff --git a/lib/logfmt.c b/lib/logfmt.c
index c2e8f19..1c8bcbd 100644
--- a/lib/logfmt.c
+++ b/lib/logfmt.c
@@ -426,7 +426,7 @@ hcl_ooi_t hcl_logbfmtv (hcl_t* hcl, int mask, const hcl_bch_t* fmt, va_list ap)
 	fo.putch = put_logch;
 	fo.putcs = put_logcs;
 
-	x = _logbfmtv (hcl, fmt, &fo, ap);
+	x = _logbfmtv(hcl, fmt, &fo, ap);
 
 	if (hcl->log.len > 0 && hcl->log.ptr[hcl->log.len - 1] == '\n')
 	{
@@ -463,7 +463,7 @@ hcl_ooi_t hcl_logufmtv (hcl_t* hcl, int mask, const hcl_uch_t* fmt, va_list ap)
 	fo.putch = put_logch;
 	fo.putcs = put_logcs;
 
-	x = _logufmtv (hcl, fmt, &fo, ap);
+	x = _logufmtv(hcl, fmt, &fo, ap);
 
 	if (hcl->log.len > 0 && hcl->log.ptr[hcl->log.len - 1] == '\n')
 	{
diff --git a/lib/main2.c b/lib/main2.c
index cebe244..606bd52 100644
--- a/lib/main2.c
+++ b/lib/main2.c
@@ -234,7 +234,7 @@ static void log_write (hcl_server_t* server, int wid, unsigned int mask, const h
 		}
 	}
 #else
-	write_all (logfd, vmsg, len);
+	write_all (logfd, msg, len);
 #endif
 
 	if (xtn->logfd_istty)
@@ -310,7 +310,7 @@ static int handle_logopt (hcl_server_t* server, const hcl_bch_t* str)
 	{
 		/* i duplicate this string for open() below as open() doesn't 
 		 * accept a length-bounded string */
-		xstr = strdup (str);
+		xstr = strdup(str);
 		if (!xstr) 
 		{
 			fprintf (stderr, "ERROR: out of memory in duplicating %s\n", str);
diff --git a/lib/sa-utl.h b/lib/sa-utl.h
new file mode 100644
index 0000000..761083d
--- /dev/null
+++ b/lib/sa-utl.h
@@ -0,0 +1,362 @@
+static int str_to_ipv4 (const ooch_t* str, hcl_oow_t len, struct in_addr* inaddr)
+{
+	const ooch_t* end;
+	int dots = 0, digits = 0;
+	hcl_uint32_t acc = 0, addr = 0;	
+	ooch_t c;
+
+	end = str + len;
+
+	do
+	{
+		if (str >= end)
+		{
+			if (dots < 3 || digits == 0) return -1;
+			addr = (addr << 8) | acc;
+			break;
+		}
+
+		c = *str++;
+
+		if (c >= '0' && c <= '9') 
+		{
+			if (digits > 0 && acc == 0) return -1;
+			acc = acc * 10 + (c - '0');
+			if (acc > 255) return -1;
+			digits++;
+		}
+		else if (c == '.') 
+		{
+			if (dots >= 3 || digits == 0) return -1;
+			addr = (addr << 8) | acc;
+			dots++; acc = 0; digits = 0;
+		}
+		else return -1;
+	}
+	while (1);
+
+	inaddr->s_addr = hcl_hton32(addr);
+	return 0;
+
+}
+
+#if (HCL_SIZEOF_STRUCT_SOCKADDR_IN6 > 0)
+static int str_to_ipv6 (const ooch_t* src, hcl_oow_t len, struct in6_addr* inaddr)
+{
+	hcl_uint8_t* tp, * endp, * colonp;
+	const ooch_t* curtok;
+	ooch_t ch;
+	int saw_xdigit;
+	unsigned int val;
+	const ooch_t* src_end;
+
+	src_end = src + len;
+
+	HCL_MEMSET (inaddr, 0, HCL_SIZEOF(*inaddr));
+	tp = &inaddr->s6_addr[0];
+	endp = &inaddr->s6_addr[HCL_COUNTOF(inaddr->s6_addr)];
+	colonp = HCL_NULL;
+
+	/* Leading :: requires some special handling. */
+	if (src < src_end && *src == ':')
+	{
+		src++;
+		if (src >= src_end || *src != ':') return -1;
+	}
+
+	curtok = src;
+	saw_xdigit = 0;
+	val = 0;
+
+	while (src < src_end)
+	{
+		int v1;
+
+		ch = *src++;
+
+		if (ch >= '0' && ch <= '9')
+			v1 = ch - '0';
+		else if (ch >= 'A' && ch <= 'F')
+			v1 = ch - 'A' + 10;
+		else if (ch >= 'a' && ch <= 'f')
+			v1 = ch - 'a' + 10;
+		else v1 = -1;
+		if (v1 >= 0)
+		{
+			val <<= 4;
+			val |= v1;
+			if (val > 0xffff) return -1;
+			saw_xdigit = 1;
+			continue;
+		}
+
+		if (ch == ':') 
+		{
+			curtok = src;
+			if (!saw_xdigit) 
+			{
+				if (colonp) return -1;
+				colonp = tp;
+				continue;
+			}
+			else if (src >= src_end)
+			{
+				/* a colon can't be the last character */
+				return -1;
+			}
+
+			*tp++ = (hcl_uint8_t)(val >> 8) & 0xff;
+			*tp++ = (hcl_uint8_t)val & 0xff;
+			saw_xdigit = 0;
+			val = 0;
+			continue;
+		}
+
+		if (ch == '.' && ((tp + HCL_SIZEOF(struct in_addr)) <= endp) &&
+		    str_to_ipv4(curtok, src_end - curtok, (struct in_addr*)tp) == 0) 
+		{
+			tp += HCL_SIZEOF(struct in_addr*);
+			saw_xdigit = 0;
+			break; 
+		}
+
+		return -1;
+	}
+
+	if (saw_xdigit) 
+	{
+		if (tp + HCL_SIZEOF(hcl_uint16_t) > endp) return -1;
+		*tp++ = (hcl_uint8_t)(val >> 8) & 0xff;
+		*tp++ = (hcl_uint8_t)val & 0xff;
+	}
+	if (colonp != HCL_NULL) 
+	{
+		/*
+		 * Since some memmove()'s erroneously fail to handle
+		 * overlapping regions, we'll do the shift by hand.
+		 */
+		hcl_oow_t n = tp - colonp;
+		hcl_oow_t i;
+ 
+		for (i = 1; i <= n; i++) 
+		{
+			endp[-i] = colonp[n - i];
+			colonp[n - i] = 0;
+		}
+		tp = endp;
+	}
+
+	if (tp != endp) return -1;
+
+	return 0;
+}
+#endif
+
+
+static int str_to_sockaddr (hcl_server_t* server, const ooch_t* str, hcl_oow_t len, sockaddr_t* nwad, socklen_t* socklen)
+{
+	const ooch_t* p;
+	const ooch_t* end;
+	oocs_t tmp;
+
+	p = str;
+	end = str + len;
+
+	if (p >= end) 
+	{
+		hcl_server_seterrbfmt (server, HCL_EINVAL, "blank address");
+		return -1;
+	}
+
+	HCL_MEMSET (nwad, 0, HCL_SIZEOF(*nwad));
+
+#if (HCL_SIZEOF_STRUCT_SOCKADDR_IN6 > 0)
+	if (*p == '[')
+	{
+		/* IPv6 address */
+		tmp.ptr = (ooch_t*)++p; /* skip [ and remember the position */
+		while (p < end && *p != '%' && *p != ']') p++;
+
+		if (p >= end) goto no_rbrack;
+
+		tmp.len = p - tmp.ptr;
+		if (*p == '%')
+		{
+			/* handle scope id */
+			hcl_uint32_t x;
+
+			p++; /* skip % */
+
+			if (p >= end)
+			{
+				/* premature end */
+				hcl_server_seterrbfmt (server, HCL_EINVAL, "scope id blank");
+				return -1;
+			}
+
+			if (*p >= '0' && *p <= '9') 
+			{
+				/* numeric scope id */
+				nwad->in6.sin6_scope_id = 0;
+				do
+				{
+					x = nwad->in6.sin6_scope_id * 10 + (*p - '0');
+					if (x < nwad->in6.sin6_scope_id) 
+					{
+						hcl_server_seterrbfmt (server, HCL_EINVAL, "scope id too large");
+						return -1; /* overflow */
+					}
+					nwad->in6.sin6_scope_id = x;
+					p++;
+				}
+				while (p < end && *p >= '0' && *p <= '9');
+			}
+			else
+			{
+#if 0
+TODO:
+				/* interface name as a scope id? */
+				const ooch_t* stmp = p;
+				unsigned int index;
+				do p++; while (p < end && *p != ']');
+				if (hcl_nwifwcsntoindex (stmp, p - stmp, &index) <= -1) return -1;
+				tmpad.u.in6.scope = index;
+#endif
+			}
+
+			if (p >= end || *p != ']') goto no_rbrack;
+		}
+		p++; /* skip ] */
+
+		if (str_to_ipv6(tmp.ptr, tmp.len, &nwad->in6.sin6_addr) <= -1) goto unrecog;
+		nwad->in6.sin6_family = AF_INET6;
+	}
+	else
+	{
+#endif
+		/* IPv4 address */
+		tmp.ptr = (ooch_t*)p;
+		while (p < end && *p != ':') p++;
+		tmp.len = p - tmp.ptr;
+
+		if (str_to_ipv4(tmp.ptr, tmp.len, &nwad->in4.sin_addr) <= -1)
+		{
+		#if (HCL_SIZEOF_STRUCT_SOCKADDR_IN6 > 0)
+			/* check if it is an IPv6 address not enclosed in []. 
+			 * the port number can't be specified in this format. */
+			if (p >= end || *p != ':') 
+			{
+				/* without :, it can't be an ipv6 address */
+				goto unrecog;
+			}
+
+
+			while (p < end && *p != '%') p++;
+			tmp.len = p - tmp.ptr;
+
+			if (str_to_ipv6(tmp.ptr, tmp.len, &nwad->in6.sin6_addr) <= -1) goto unrecog;
+
+			if (p < end && *p == '%')
+			{
+				/* handle scope id */
+				hcl_uint32_t x;
+
+				p++; /* skip % */
+
+				if (p >= end)
+				{
+					/* premature end */
+					hcl_server_seterrbfmt (server, HCL_EINVAL, "scope id blank");
+					return -1;
+				}
+
+				if (*p >= '0' && *p <= '9') 
+				{
+					/* numeric scope id */
+					nwad->in6.sin6_scope_id = 0;
+					do
+					{
+						x = nwad->in6.sin6_scope_id * 10 + (*p - '0');
+						if (x < nwad->in6.sin6_scope_id) 
+						{
+							hcl_server_seterrbfmt (server, HCL_EINVAL, "scope id too large");
+							return -1; /* overflow */
+						}
+						nwad->in6.sin6_scope_id = x;
+						p++;
+					}
+					while (p < end && *p >= '0' && *p <= '9');
+				}
+				else
+				{
+#if 0
+TODO
+					/* interface name as a scope id? */
+					const ooch_t* stmp = p;
+					unsigned int index;
+					do p++; while (p < end);
+					if (hcl_nwifwcsntoindex(stmp, p - stmp, &index) <= -1) return -1;
+					nwad->in6.sin6_scope_id = index;
+#endif
+				}
+			}
+
+			if (p < end) goto unrecog; /* some gargage after the end? */
+
+			nwad->in6.sin6_family = AF_INET6;
+			*socklen = HCL_SIZEOF(nwad->in6);
+			return nwad->in6.sin6_family;
+		#else
+			goto unrecog;
+		#endif	
+		}
+
+		nwad->in4.sin_family = AF_INET;
+#if (HCL_SIZEOF_STRUCT_SOCKADDR_IN6 > 0)
+	}
+#endif
+
+	if (p < end && *p == ':') 
+	{
+		/* port number */
+		hcl_uint32_t port = 0;
+
+		p++; /* skip : */
+
+		tmp.ptr = (ooch_t*)p;
+		while (p < end && *p >= '0' && *p <= '9')
+		{
+			port = port * 10 + (*p - '0');
+			p++;
+		}
+
+		tmp.len = p - tmp.ptr;
+		if (tmp.len <= 0 || tmp.len >= 6 || 
+		    port > HCL_TYPE_MAX(hcl_uint16_t)) 
+		{
+			hcl_server_seterrbfmt (server, HCL_EINVAL, "port number blank or too large");
+			return -1;
+		}
+
+	#if (HCL_SIZEOF_STRUCT_SOCKADDR_IN6 > 0)
+		if (nwad->in4.sin_family == AF_INET)
+			nwad->in4.sin_port = hcl_hton16(port);
+		else
+			nwad->in6.sin6_port = hcl_hton16(port);
+	#else
+		nwad->in4.sin_port = hcl_hton16(port);
+	#endif
+	}
+
+	*socklen = (nwad->in4.sin_family == AF_INET)? HCL_SIZEOF(nwad->in4): HCL_SIZEOF(nwad->in6);
+	return nwad->in4.sin_family;
+	
+	
+unrecog:
+	hcl_server_seterrbfmt (server, HCL_EINVAL, "unrecognized address");
+	return -1;
+	
+no_rbrack:
+	hcl_server_seterrbfmt (server, HCL_EINVAL, "missing right bracket");
+	return -1;
+}
diff --git a/lib/utl.c b/lib/utl.c
index d9e2e84..7a2cd54 100644
--- a/lib/utl.c
+++ b/lib/utl.c
@@ -827,7 +827,7 @@ HCL_INLINE hcl_bch_t* hcl_duputobcharswithheadroom (hcl_t* hcl, hcl_oow_t headro
 	hcl_bch_t* ptr;
 
 	inlen = ucslen;
-	if (hcl_convutobchars (hcl, ucs, &inlen, HCL_NULL, &outlen) <= -1) 
+	if (hcl_convutobchars(hcl, ucs, &inlen, HCL_NULL, &outlen) <= -1) 
 	{
 		/* note it's also an error if no full conversion is made in this function */
 		return HCL_NULL;
@@ -858,7 +858,7 @@ HCL_INLINE hcl_uch_t* hcl_dupbtoucstrwithheadroom (hcl_t* hcl, hcl_oow_t headroo
 	hcl_oow_t inlen, outlen;
 	hcl_uch_t* ptr;
 
-	if (hcl_convbtoucstr (hcl, bcs, &inlen, HCL_NULL, &outlen) <= -1) 
+	if (hcl_convbtoucstr(hcl, bcs, &inlen, HCL_NULL, &outlen) <= -1) 
 	{
 		/* note it's also an error if no full conversion is made in this function */
 		return HCL_NULL;
diff --git a/m4/libtool.m4 b/m4/libtool.m4
index a644432..ee80844 100644
--- a/m4/libtool.m4
+++ b/m4/libtool.m4
@@ -728,7 +728,6 @@ _LT_CONFIG_SAVE_COMMANDS([
     cat <<_LT_EOF >> "$cfgfile"
 #! $SHELL
 # Generated automatically by $as_me ($PACKAGE) $VERSION
-# Libtool was configured on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
 # NOTE: Changes made to this file will be lost: look at ltmain.sh.
 
 # Provide generalized library-building support services.
@@ -2867,9 +2866,6 @@ linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
   # before this can be enabled.
   hardcode_into_libs=yes
 
-  # Add ABI-specific directories to the system library path.
-  sys_lib_dlsearch_path_spec="/lib64 /usr/lib64 /lib /usr/lib"
-
   # Ideally, we could use ldconfig to report *all* directores which are
   # searched for libraries, however this is still not possible.  Aside from not
   # being certain /sbin/ldconfig is available, command
@@ -2878,7 +2874,7 @@ linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
   # appending ld.so.conf contents (and includes) to the search path.
   if test -f /etc/ld.so.conf; then
     lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \[$]2)); skip = 1; } { if (!skip) print \[$]0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[	 ]*hwcap[	 ]/d;s/[:,	]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '`
-    sys_lib_dlsearch_path_spec="$sys_lib_dlsearch_path_spec $lt_ld_extra"
+    sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra"
   fi
 
   # We used to test for /lib/ld.so.1 and disable shared libraries on
@@ -2890,6 +2886,18 @@ linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
   dynamic_linker='GNU/Linux ld.so'
   ;;
 
+netbsdelf*-gnu)
+  version_type=linux
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  hardcode_into_libs=yes
+  dynamic_linker='NetBSD ld.elf_so'
+  ;;
+
 netbsd*)
   version_type=sunos
   need_lib_prefix=no
@@ -3549,7 +3557,7 @@ linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
   lt_cv_deplibs_check_method=pass_all
   ;;
 
-netbsd*)
+netbsd* | netbsdelf*-gnu)
   if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then
     lt_cv_deplibs_check_method='match_pattern /lib[[^/]]+(\.so\.[[0-9]]+\.[[0-9]]+|_pic\.a)$'
   else
@@ -4427,7 +4435,7 @@ m4_if([$1], [CXX], [
 	    ;;
 	esac
 	;;
-      netbsd*)
+      netbsd* | netbsdelf*-gnu)
 	;;
       *qnx* | *nto*)
         # QNX uses GNU C++, but need to define -shared option too, otherwise
@@ -4939,6 +4947,9 @@ m4_if([$1], [CXX], [
       ;;
     esac
     ;;
+  linux* | k*bsd*-gnu | gnu*)
+    _LT_TAGVAR(link_all_deplibs, $1)=no
+    ;;
   *)
     _LT_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
     ;;
@@ -5001,6 +5012,9 @@ dnl Note also adjust exclude_expsyms for C++ above.
   openbsd* | bitrig*)
     with_gnu_ld=no
     ;;
+  linux* | k*bsd*-gnu | gnu*)
+    _LT_TAGVAR(link_all_deplibs, $1)=no
+    ;;
   esac
 
   _LT_TAGVAR(ld_shlibs, $1)=yes
@@ -5255,7 +5269,7 @@ _LT_EOF
       fi
       ;;
 
-    netbsd*)
+    netbsd* | netbsdelf*-gnu)
       if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
 	_LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib'
 	wlarc=
@@ -5776,6 +5790,7 @@ _LT_EOF
 	if test yes = "$lt_cv_irix_exported_symbol"; then
           _LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations $wl-exports_file $wl$export_symbols -o $lib'
 	fi
+	_LT_TAGVAR(link_all_deplibs, $1)=no
       else
 	_LT_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib'
 	_LT_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -exports_file $export_symbols -o $lib'
@@ -5797,7 +5812,7 @@ _LT_EOF
       esac
       ;;
 
-    netbsd*)
+    netbsd* | netbsdelf*-gnu)
       if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
 	_LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'  # a.out
       else
diff --git a/mod/Makefile.in b/mod/Makefile.in
index 7ba8bd3..40b1ca0 100644
--- a/mod/Makefile.in
+++ b/mod/Makefile.in
@@ -95,7 +95,8 @@ host_triplet = @host@
 @WIN32_FALSE@am__append_2 = -DHCL_DEFAULT_PFMODPREFIX=\"$(libdir)/libhcl-\" -DHCL_DEFAULT_PFMODPOSTFIX=\"\"
 subdir = mod
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
-am__aclocal_m4_deps = $(top_srcdir)/m4/ax_cxx_namespace.m4 \
+am__aclocal_m4_deps = $(top_srcdir)/m4/ax_check_sign.m4 \
+	$(top_srcdir)/m4/ax_cxx_namespace.m4 \
 	$(top_srcdir)/m4/ax_numval.m4 $(top_srcdir)/m4/ax_pthread.m4 \
 	$(top_srcdir)/m4/libtool.m4 $(top_srcdir)/m4/ltoptions.m4 \
 	$(top_srcdir)/m4/ltsugar.m4 $(top_srcdir)/m4/ltversion.m4 \
@@ -375,6 +376,7 @@ pdfdir = @pdfdir@
 prefix = @prefix@
 program_transform_name = @program_transform_name@
 psdir = @psdir@
+runstatedir = @runstatedir@
 sbindir = @sbindir@
 sharedstatedir = @sharedstatedir@
 srcdir = @srcdir@