added --enable-all-static and --with-all-static-libs to ease full static binary builds for selected commands

fixed a bug where the client socket is kept when keep-alive is set. it should have been closed if client EOF is detected regardless of keep-alive touched up debug messages in http-file.c
2022-10-08 16:47:55 +09:00 · 2022-10-08 16:47:55 +09:00 · 7ec3ba3ab7
commit 7ec3ba3ab7
parent ba858ecbc0
24 changed files with 1744 additions and 1788 deletions
--- a/Dockerfile.in
+++ b/Dockerfile.in
@ -1,6 +1,5 @@
 FROM scratch
-COPY bin/hio-webs /bin
+ADD hio-webs.tar /
 RUN mkdir -p /data
 CMD [ "/bin/hio-webs", "0.0.0.0:80", "/data" ]
--- a/Makefile.am
+++ b/Makefile.am
@ -20,4 +20,8 @@ rpm: dist-gzip
 	rpmbuild --define "_topdir @abs_builddir@/pkgs/RPM" -ba @abs_builddir@/pkgs/hio.spec --target=@build_cpu@
 docker:
-	docker -t hio:webs Dockerfile .
+	mkdir -p data
 	rm -rf data/*
 	tar -cvf hio-webs.tar bin/hio-webs data
 	docker build -t hio:webs -f Dockerfile .
 	rm -f hio-webs.tar
--- a/Makefile.in
+++ b/Makefile.in
@ -1,7 +1,7 @@
-# Makefile.in generated by automake 1.16.1 from Makefile.am.
+# Makefile.in generated by automake 1.16.2 from Makefile.am.
 # @configure_input@
-# Copyright (C) 1994-2018 Free Software Foundation, Inc.
+# Copyright (C) 1994-2020 Free Software Foundation, Inc.
 # This Makefile.in is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -165,7 +165,7 @@ am__DIST_COMMON = $(srcdir)/Dockerfile.in $(srcdir)/Makefile.in \
 	$(top_srcdir)/ac/config.guess $(top_srcdir)/ac/config.sub \
 	$(top_srcdir)/ac/install-sh $(top_srcdir)/ac/ltmain.sh \
 	$(top_srcdir)/ac/missing $(top_srcdir)/pkgs/hio.spec.in \
-	ac/ar-lib ac/compile ac/config.guess ac/config.sub ac/depcomp \
+	ac/ar-lib ac/compile ac/config.guess ac/config.sub \
 	ac/install-sh ac/ltmain.sh ac/missing
 DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
 distdir = $(PACKAGE)-$(VERSION)
@ -210,6 +210,7 @@ am__distuninstallcheck_listfiles = $(distuninstallcheck_listfiles) \
  | sed 's|^\./|$(prefix)/|' | grep -v '$(infodir)/dir$$'
 distcleancheck_listfiles = find . -type f -print
 ACLOCAL = @ACLOCAL@
 ALL_STATIC_LIBS = @ALL_STATIC_LIBS@
 AMTAR = @AMTAR@
 AM_DEFAULT_VERBOSITY = @AM_DEFAULT_VERBOSITY@
 AR = @AR@
@ -591,6 +592,10 @@ dist-xz: distdir
 	tardir=$(distdir) && $(am__tar) | XZ_OPT=$${XZ_OPT--e} xz -c >$(distdir).tar.xz
 	$(am__post_remove_distdir)
 dist-zstd: distdir
 	tardir=$(distdir) && $(am__tar) | zstd -c $${ZSTD_CLEVEL-$${ZSTD_OPT--19}} >$(distdir).tar.zst
 	$(am__post_remove_distdir)
 dist-tarZ: distdir
 	@echo WARNING: "Support for distribution archives compressed with" \
 		       "legacy program 'compress' is deprecated." >&2
@ -633,6 +638,8 @@ distcheck: dist
 	  eval GZIP= gzip $(GZIP_ENV) -dc $(distdir).shar.gz | unshar ;;\
 	*.zip*) \
 	  unzip $(distdir).zip ;;\
 	*.tar.zst*) \
 	  zstd -dc $(distdir).tar.zst | $(am__untar) ;;\
 	esac
 	chmod -R a-w $(distdir)
 	chmod u+w $(distdir)
@ -810,18 +817,18 @@ uninstall-am:
 	am--refresh check check-am clean clean-cscope clean-generic \
 	clean-libtool cscope cscopelist-am ctags ctags-am dist \
 	dist-all dist-bzip2 dist-gzip dist-lzip dist-shar dist-tarZ \
-	dist-xz dist-zip distcheck distclean distclean-generic \
+	dist-xz dist-zip dist-zstd distcheck distclean \
-	distclean-libtool distclean-local distclean-tags \
+	distclean-generic distclean-libtool distclean-local \
-	distcleancheck distdir distuninstallcheck dvi dvi-am html \
+	distclean-tags distcleancheck distdir distuninstallcheck dvi \
-	html-am info info-am install install-am install-data \
+	dvi-am html html-am info info-am install install-am \
-	install-data-am install-dvi install-dvi-am install-exec \
+	install-data install-data-am install-dvi install-dvi-am \
-	install-exec-am install-html install-html-am install-info \
+	install-exec install-exec-am install-html install-html-am \
-	install-info-am install-man install-pdf install-pdf-am \
+	install-info install-info-am install-man install-pdf \
-	install-ps install-ps-am install-strip installcheck \
+	install-pdf-am install-ps install-ps-am install-strip \
-	installcheck-am installdirs installdirs-am maintainer-clean \
+	installcheck installcheck-am installdirs installdirs-am \
-	maintainer-clean-generic mostlyclean mostlyclean-generic \
+	maintainer-clean maintainer-clean-generic mostlyclean \
-	mostlyclean-libtool pdf pdf-am ps ps-am tags tags-am uninstall \
+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
-	uninstall-am
+	tags tags-am uninstall uninstall-am
 .PRECIOUS: Makefile
@ -840,7 +847,11 @@ rpm: dist-gzip
 	rpmbuild --define "_topdir @abs_builddir@/pkgs/RPM" -ba @abs_builddir@/pkgs/hio.spec --target=@build_cpu@
 docker:
-	docker -t hio:webs Dockerfile .
+	mkdir -p data
 	rm -rf data/*
 	tar -cvf hio-webs.tar bin/hio-webs data
 	docker build -t hio:webs -f Dockerfile .
 	rm -f hio-webs.tar
 # Tell versions [3.59,3.63) of GNU make to not export all variables.
 # Otherwise a system limit (for SysV at least) may be exceeded.
--- a/ac/ar-lib
+++ b/ac/ar-lib
@ -2,9 +2,9 @@
 # Wrapper for Microsoft lib.exe
 me=ar-lib
-scriptversion=2012-03-01.08; # UTC
+scriptversion=2019-07-04.01; # UTC
-# Copyright (C) 2010-2018 Free Software Foundation, Inc.
+# Copyright (C) 2010-2020 Free Software Foundation, Inc.
 # Written by Peter Rosin <peda@lysator.liu.se>.
 #
 # This program is free software; you can redistribute it and/or modify
@ -53,7 +53,7 @@ func_file_conv ()
 	  MINGW*)
 	    file_conv=mingw
 	    ;;
-	  CYGWIN*)
+	  CYGWIN* | MSYS*)
 	    file_conv=cygwin
 	    ;;
 	  *)
@ -65,7 +65,7 @@ func_file_conv ()
 	mingw)
 	  file=`cmd //C echo "$file " | sed -e 's/"\(.*\) " *$/\1/'`
 	  ;;
-	cygwin)
+	cygwin | msys)
 	  file=`cygpath -m "$file" || echo "$file"`
 	  ;;
 	wine)
@ -224,7 +224,8 @@ elif test -n "$extract"; then
      esac
    done
  else
-    $AR -NOLOGO -LIST "$archive" | sed -e 's/\\/\\\\/g' | while read member
+    $AR -NOLOGO -LIST "$archive" | tr -d '\r' | sed -e 's/\\/\\\\/g' \
      | while read member
        do
          $AR -NOLOGO -EXTRACT:"$member" "$archive" || exit $?
        done
--- a/ac/compile
+++ b/ac/compile
@ -3,7 +3,7 @@
 scriptversion=2018-03-07.03; # UTC
-# Copyright (C) 1999-2018 Free Software Foundation, Inc.
+# Copyright (C) 1999-2020 Free Software Foundation, Inc.
 # Written by Tom Tromey <tromey@cygnus.com>.
 #
 # This program is free software; you can redistribute it and/or modify
@ -53,7 +53,7 @@ func_file_conv ()
 	  MINGW*)
 	    file_conv=mingw
 	    ;;
-	  CYGWIN*)
+	  CYGWIN* | MSYS*)
 	    file_conv=cygwin
 	    ;;
 	  *)
@ -67,7 +67,7 @@ func_file_conv ()
 	mingw/*)
 	  file=`cmd //C echo "$file " | sed -e 's/"\(.*\) " *$/\1/'`
 	  ;;
-	cygwin/*)
+	cygwin/* | msys/*)
 	  file=`cygpath -m "$file" || echo "$file"`
 	  ;;
 	wine/*)
--- a/ac/config.guess
+++ b/ac/config.guess
@ -2,7 +2,7 @@
 # Attempt to guess a canonical system name.
 #   Copyright 1992-2018 Free Software Foundation, Inc.
-timestamp='2018-02-24'
+timestamp='2018-08-29'
 # 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
@ -84,8 +84,6 @@ if test $# != 0; then
  exit 1
 fi
 trap 'exit 1' 1 2 15
 # CC_FOR_BUILD -- compiler used by this script. Note that the use of a
 # compiler to aid in system detection is discouraged as it requires
 # temporary files to be created and, as you can see below, it is a
@ -96,34 +94,39 @@ trap 'exit 1' 1 2 15
 # Portable tmp directory creation inspired by the Autoconf team.
-set_cc_for_build='
+tmp=
-trap "exitcode=\$?; (rm -f \$tmpfiles 2>/dev/null; rmdir \$tmp 2>/dev/null) && exit \$exitcode" 0 ;
+# shellcheck disable=SC2172
-trap "rm -f \$tmpfiles 2>/dev/null; rmdir \$tmp 2>/dev/null; exit 1" 1 2 13 15 ;
+trap 'test -z "$tmp" || rm -fr "$tmp"' 1 2 13 15
-: ${TMPDIR=/tmp} ;
+trap 'exitcode=$?; test -z "$tmp" || rm -fr "$tmp"; exit $exitcode' 0
 set_cc_for_build() {
    : "${TMPDIR=/tmp}"
    # shellcheck disable=SC2039
    { tmp=`(umask 077 && mktemp -d "$TMPDIR/cgXXXXXX") 2>/dev/null` && test -n "$tmp" && test -d "$tmp" ; } ||
- { test -n "$RANDOM" && tmp=$TMPDIR/cg$$-$RANDOM && (umask 077 && mkdir $tmp) ; } ||
+	{ test -n "$RANDOM" && tmp=$TMPDIR/cg$$-$RANDOM && (umask 077 && mkdir "$tmp" 2>/dev/null) ; } ||
- { tmp=$TMPDIR/cg-$$ && (umask 077 && mkdir $tmp) && echo "Warning: creating insecure temp directory" >&2 ; } ||
+	{ tmp=$TMPDIR/cg-$$ && (umask 077 && mkdir "$tmp" 2>/dev/null) && echo "Warning: creating insecure temp directory" >&2 ; } ||
- { echo "$me: cannot create a temporary directory in $TMPDIR" >&2 ; exit 1 ; } ;
+	{ echo "$me: cannot create a temporary directory in $TMPDIR" >&2 ; exit 1 ; }
-dummy=$tmp/dummy ;
+    dummy=$tmp/dummy
-tmpfiles="$dummy.c $dummy.o $dummy.rel $dummy" ;
+    case ${CC_FOR_BUILD-},${HOST_CC-},${CC-} in
-case $CC_FOR_BUILD,$HOST_CC,$CC in
+	,,)    echo "int x;" > "$dummy.c"
- ,,)    echo "int x;" > "$dummy.c" ;
+	       for driver in cc gcc c89 c99 ; do
-	for c in cc gcc c89 c99 ; do
+		   if ($driver -c -o "$dummy.o" "$dummy.c") >/dev/null 2>&1 ; then
-	  if ($c -c -o "$dummy.o" "$dummy.c") >/dev/null 2>&1 ; then
+		       CC_FOR_BUILD="$driver"
-	     CC_FOR_BUILD="$c"; break ;
+		       break
-	  fi ;
+		   fi
-	done ;
+	       done
 	       if test x"$CC_FOR_BUILD" = x ; then
-	  CC_FOR_BUILD=no_compiler_found ;
+		   CC_FOR_BUILD=no_compiler_found
 	       fi
 	       ;;
 	,,*)   CC_FOR_BUILD=$CC ;;
 	,*,*)  CC_FOR_BUILD=$HOST_CC ;;
-esac ; set_cc_for_build= ;'
+    esac
 }
 # This is needed to find uname on a Pyramid OSx when run in the BSD universe.
 # (ghazi@noc.rutgers.edu 1994-08-24)
-if (test -f /.attbin/uname) >/dev/null 2>&1 ; then
+if test -f /.attbin/uname ; then
 	PATH=$PATH:/.attbin ; export PATH
 fi
@ -138,7 +141,7 @@ Linux|GNU|GNU/*)
 	# We could probably try harder.
 	LIBC=gnu
-	eval "$set_cc_for_build"
+	set_cc_for_build
 	cat <<-EOF > "$dummy.c"
 	#include <features.h>
 	#if defined(__UCLIBC__)
@ -199,7 +202,7 @@ case "$UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNAME_VERSION" in
 		os=netbsdelf
 		;;
 	    arm*|i386|m68k|ns32k|sh3*|sparc|vax)
-		eval "$set_cc_for_build"
+		set_cc_for_build
 		if echo __ELF__ | $CC_FOR_BUILD -E - 2>/dev/null \
 			| grep -q __ELF__
 		then
@ -237,7 +240,7 @@ case "$UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNAME_VERSION" in
 	# Since CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM:
 	# contains redundant information, the shorter form:
 	# CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM is used.
-	echo "$machine-${os}${release}${abi}"
+	echo "$machine-${os}${release}${abi-}"
 	exit ;;
    *:Bitrig:*:*)
 	UNAME_MACHINE_ARCH=`arch | sed 's/Bitrig.//'`
@ -389,20 +392,15 @@ case "$UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNAME_VERSION" in
 	echo i386-pc-auroraux"$UNAME_RELEASE"
 	exit ;;
    i86pc:SunOS:5.*:* | i86xen:SunOS:5.*:*)
-	eval "$set_cc_for_build"
+	UNAME_REL="`echo "$UNAME_RELEASE" | sed -e 's/[^.]*//'`"
-	SUN_ARCH=i386
+	case `isainfo -b` in
-	# If there is a compiler, see if it is configured for 64-bit objects.
+	    32)
-	# Note that the Sun cc does not turn __LP64__ into 1 like gcc does.
+		echo i386-pc-solaris2"$UNAME_REL"
-	# This test works for both compilers.
+		;;
-	if [ "$CC_FOR_BUILD" != no_compiler_found ]; then
+	    64)
-	    if (echo '#ifdef __amd64'; echo IS_64BIT_ARCH; echo '#endif') | \
+		echo x86_64-pc-solaris2"$UNAME_REL"
-		(CCOPTS="" $CC_FOR_BUILD -E - 2>/dev/null) | \
+		;;
-		grep IS_64BIT_ARCH >/dev/null
+	esac
 	    then
 		SUN_ARCH=x86_64
 	    fi
 	fi
 	echo "$SUN_ARCH"-pc-solaris2"`echo "$UNAME_RELEASE"|sed -e 's/[^.]*//'`"
 	exit ;;
    sun4*:SunOS:6*:*)
 	# According to config.sub, this is the proper way to canonicalize
@ -482,7 +480,7 @@ case "$UNAME_MACHINE:$UNAME_SYSTEM:$UNAME_RELEASE:$UNAME_VERSION" in
 	echo clipper-intergraph-clix"$UNAME_RELEASE"
 	exit ;;
    mips:*:*:UMIPS | mips:*:*:RISCos)
-	eval "$set_cc_for_build"
+	set_cc_for_build
 	sed 's/^	//' << EOF > "$dummy.c"
 #ifdef __cplusplus
 #include <stdio.h>  /* for printf() prototype */
@ -579,7 +577,7 @@ EOF
 	exit ;;
    *:AIX:2:3)
 	if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then
-		eval "$set_cc_for_build"
+		set_cc_for_build
 		sed 's/^		//' << EOF > "$dummy.c"
 		#include <sys/systemcfg.h>
@ -660,7 +658,7 @@ EOF
 		    esac
 		fi
 		if [ "$HP_ARCH" = "" ]; then
-		    eval "$set_cc_for_build"
+		    set_cc_for_build
 		    sed 's/^		//' << EOF > "$dummy.c"
 		#define _HPUX_SOURCE
@ -700,7 +698,7 @@ EOF
 	esac
 	if [ "$HP_ARCH" = hppa2.0w ]
 	then
-	    eval "$set_cc_for_build"
+	    set_cc_for_build
 	    # hppa2.0w-hp-hpux* has a 64-bit kernel and a compiler generating
 	    # 32-bit code.  hppa64-hp-hpux* has the same kernel and a compiler
@ -726,7 +724,7 @@ EOF
 	echo ia64-hp-hpux"$HPUX_REV"
 	exit ;;
    3050*:HI-UX:*:*)
-	eval "$set_cc_for_build"
+	set_cc_for_build
 	sed 's/^	//' << EOF > "$dummy.c"
 	#include <unistd.h>
 	int
@ -840,6 +838,17 @@ EOF
    *:BSD/OS:*:*)
 	echo "$UNAME_MACHINE"-unknown-bsdi"$UNAME_RELEASE"
 	exit ;;
    arm:FreeBSD:*:*)
 	UNAME_PROCESSOR=`uname -p`
 	set_cc_for_build
 	if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \
 	    | grep -q __ARM_PCS_VFP
 	then
 	    echo "${UNAME_PROCESSOR}"-unknown-freebsd"`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`"-gnueabi
 	else
 	    echo "${UNAME_PROCESSOR}"-unknown-freebsd"`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`"-gnueabihf
 	fi
 	exit ;;
    *:FreeBSD:*:*)
 	UNAME_PROCESSOR=`/usr/bin/uname -p`
 	case "$UNAME_PROCESSOR" in
@ -894,8 +903,8 @@ EOF
 	# other systems with GNU libc and userland
 	echo "$UNAME_MACHINE-unknown-`echo "$UNAME_SYSTEM" | sed 's,^[^/]*/,,' | tr "[:upper:]" "[:lower:]"``echo "$UNAME_RELEASE"|sed -e 's/[-(].*//'`-$LIBC"
 	exit ;;
-    i*86:Minix:*:*)
+    *:Minix:*:*)
-	echo "$UNAME_MACHINE"-pc-minix
+	echo "$UNAME_MACHINE"-unknown-minix
 	exit ;;
    aarch64:Linux:*:*)
 	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
@ -922,7 +931,7 @@ EOF
 	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
 	exit ;;
    arm*:Linux:*:*)
-	eval "$set_cc_for_build"
+	set_cc_for_build
 	if echo __ARM_EABI__ | $CC_FOR_BUILD -E - 2>/dev/null \
 	    | grep -q __ARM_EABI__
 	then
@ -971,7 +980,7 @@ EOF
 	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
 	exit ;;
    mips:Linux:*:* | mips64:Linux:*:*)
-	eval "$set_cc_for_build"
+	set_cc_for_build
 	sed 's/^	//' << EOF > "$dummy.c"
 	#undef CPU
 	#undef ${UNAME_MACHINE}
@ -1046,11 +1055,7 @@ EOF
 	echo "$UNAME_MACHINE"-dec-linux-"$LIBC"
 	exit ;;
    x86_64:Linux:*:*)
 	if objdump -f /bin/sh | grep -q elf32-x86-64; then
 	    echo "$UNAME_MACHINE"-pc-linux-"$LIBC"x32
 	else
 	echo "$UNAME_MACHINE"-pc-linux-"$LIBC"
 	fi
 	exit ;;
    xtensa*:Linux:*:*)
 	echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
@ -1289,7 +1294,7 @@ EOF
 	exit ;;
    *:Darwin:*:*)
 	UNAME_PROCESSOR=`uname -p` || UNAME_PROCESSOR=unknown
-	eval "$set_cc_for_build"
+	set_cc_for_build
 	if test "$UNAME_PROCESSOR" = unknown ; then
 	    UNAME_PROCESSOR=powerpc
 	fi
@ -1362,6 +1367,7 @@ EOF
 	# "uname -m" is not consistent, so use $cputype instead. 386
 	# is converted to i386 for consistency with other x86
 	# operating systems.
 	# shellcheck disable=SC2154
 	if test "$cputype" = 386; then
 	    UNAME_MACHINE=i386
 	else
@ -1473,7 +1479,7 @@ EOF
 exit 1
 # Local variables:
-# eval: (add-hook 'write-file-functions 'time-stamp)
+# eval: (add-hook 'before-save-hook 'time-stamp)
 # time-stamp-start: "timestamp='"
 # time-stamp-format: "%:y-%02m-%02d"
 # time-stamp-end: "'"
--- a/ac/config.sub
+++ b/ac/config.sub
--- a/ac/depcomp
+++ b/ac/depcomp
@ -3,7 +3,7 @@
 scriptversion=2018-03-07.03; # UTC
-# Copyright (C) 1999-2018 Free Software Foundation, Inc.
+# Copyright (C) 1999-2020 Free Software Foundation, Inc.
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
--- a/ac/install-sh
+++ b/ac/install-sh
@ -451,7 +451,18 @@ do
    trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
    # Copy the file name to the temp name.
-    (umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") &&
+    (umask $cp_umask &&
     { test -z "$stripcmd" || {
 	 # Create $dsttmp read-write so that cp doesn't create it read-only,
 	 # which would cause strip to fail.
 	 if test -z "$doit"; then
 	   : >"$dsttmp" # No need to fork-exec 'touch'.
 	 else
 	   $doit touch "$dsttmp"
 	 fi
       }
     } &&
     $doit_exec $cpprog "$src" "$dsttmp") &&
    # and set any options; do chmod last to preserve setuid bits.
    #
--- a/ac/ltmain.sh
+++ b/ac/ltmain.sh
@ -31,7 +31,7 @@
 PROGRAM=libtool
 PACKAGE=libtool
-VERSION="2.4.6 Debian-2.4.6-14"
+VERSION=2.4.6
 package_revision=2.4.6
@ -387,7 +387,7 @@ EXIT_SKIP=77	  # $? = 77 is used to indicate a skipped test to automake.
 # putting '$debug_cmd' at the start of all your functions, you can get
 # bash to show function call trace with:
 #
-#    debug_cmd='echo "${FUNCNAME[0]} $*" >&2' bash your-script-name
+#    debug_cmd='eval echo "${FUNCNAME[0]} $*" >&2' bash your-script-name
 debug_cmd=${debug_cmd-":"}
 exit_cmd=:
@ -1370,7 +1370,7 @@ func_lt_ver ()
 #! /bin/sh
 # Set a version string for this script.
-scriptversion=2015-10-07.11; # UTC
+scriptversion=2014-01-07.03; # UTC
 # A portable, pluggable option parser for Bourne shell.
 # Written by Gary V. Vaughan, 2010
@ -1530,8 +1530,6 @@ func_run_hooks ()
 {
    $debug_cmd
    _G_rc_run_hooks=false
    case " $hookable_fns " in
      *" $1 "*) ;;
      *) func_fatal_error "'$1' does not support hook funcions.n" ;;
@ -1540,16 +1538,16 @@ func_run_hooks ()
    eval _G_hook_fns=\$$1_hooks; shift
    for _G_hook in $_G_hook_fns; do
-      if eval $_G_hook '"$@"'; then
+      eval $_G_hook '"$@"'
      # store returned options list back into positional
      # parameters for next 'cmd' execution.
      eval _G_hook_result=\$${_G_hook}_result
      eval set dummy "$_G_hook_result"; shift
        _G_rc_run_hooks=:
      fi
    done
-    $_G_rc_run_hooks && func_run_hooks_result=$_G_hook_result
+    func_quote_for_eval ${1+"$@"}
    func_run_hooks_result=$func_quote_for_eval_result
 }
@ -1559,16 +1557,10 @@ func_run_hooks ()
 ## --------------- ##
 # In order to add your own option parsing hooks, you must accept the
-# full positional parameter list in your hook function, you may remove/edit
+# full positional parameter list in your hook function, remove any
-# any options that you action, and then pass back the remaining unprocessed
+# options that you action, and then pass back the remaining unprocessed
 # options in '<hooked_function_name>_result', escaped suitably for
-# 'eval'.  In this case you also must return $EXIT_SUCCESS to let the
+# 'eval'.  Like this:
 # hook's caller know that it should pay attention to
 # '<hooked_function_name>_result'.  Returning $EXIT_FAILURE signalizes that
 # arguments are left untouched by the hook and therefore caller will ignore the
 # result variable.
 #
 # Like this:
 #
 #    my_options_prep ()
 #    {
@ -1578,11 +1570,9 @@ func_run_hooks ()
 #        usage_message=$usage_message'
 #      -s, --silent       don'\''t print informational messages
 #    '
-#        # No change in '$@' (ignored completely by this hook).  There is
+#
-#        # no need to do the equivalent (but slower) action:
+#        func_quote_for_eval ${1+"$@"}
-#        # func_quote_for_eval ${1+"$@"}
+#        my_options_prep_result=$func_quote_for_eval_result
 #        # my_options_prep_result=$func_quote_for_eval_result
 #        false
 #    }
 #    func_add_hook func_options_prep my_options_prep
 #
@ -1591,37 +1581,25 @@ func_run_hooks ()
 #    {
 #        $debug_cmd
 #
 #        args_changed=false
 #
 #        # Note that for efficiency, we parse as many options as we can
 #        # recognise in a loop before passing the remainder back to the
 #        # caller on the first unrecognised argument we encounter.
 #        while test $# -gt 0; do
 #          opt=$1; shift
 #          case $opt in
-#            --silent|-s) opt_silent=:
+#            --silent|-s) opt_silent=: ;;
 #                         args_changed=:
 #                         ;;
 #            # Separate non-argument short options:
 #            -s*)         func_split_short_opt "$_G_opt"
 #                         set dummy "$func_split_short_opt_name" \
 #                             "-$func_split_short_opt_arg" ${1+"$@"}
 #                         shift
 #                         args_changed=:
 #                         ;;
-#            *)           # Make sure the first unrecognised option "$_G_opt"
+#            *)            set dummy "$_G_opt" "$*"; shift; break ;;
 #                         # is added back to "$@", we could need that later
 #                         # if $args_changed is true.
 #                         set dummy "$_G_opt" ${1+"$@"}; shift; break ;;
 #          esac
 #        done
 #
 #        if $args_changed; then
 #        func_quote_for_eval ${1+"$@"}
 #        my_silent_option_result=$func_quote_for_eval_result
 #        fi
 #
 #        $args_changed
 #    }
 #    func_add_hook func_parse_options my_silent_option
 #
@ -1633,32 +1611,16 @@ func_run_hooks ()
 #        $opt_silent && $opt_verbose && func_fatal_help "\
 #    '--silent' and '--verbose' options are mutually exclusive."
 #
-#        false
+#        func_quote_for_eval ${1+"$@"}
 #        my_option_validation_result=$func_quote_for_eval_result
 #    }
 #    func_add_hook func_validate_options my_option_validation
 #
-# You'll also need to manually amend $usage_message to reflect the extra
+# You'll alse need to manually amend $usage_message to reflect the extra
 # options you parse.  It's preferable to append if you can, so that
 # multiple option parsing hooks can be added safely.
 # func_options_finish [ARG]...
 # ----------------------------
 # Finishing the option parse loop (call 'func_options' hooks ATM).
 func_options_finish ()
 {
    $debug_cmd
    _G_func_options_finish_exit=false
    if func_run_hooks func_options ${1+"$@"}; then
      func_options_finish_result=$func_run_hooks_result
      _G_func_options_finish_exit=:
    fi
    $_G_func_options_finish_exit
 }
 # func_options [ARG]...
 # ---------------------
 # All the functions called inside func_options are hookable. See the
@ -1668,28 +1630,17 @@ func_options ()
 {
    $debug_cmd
-    _G_rc_options=false
+    func_options_prep ${1+"$@"}
    eval func_parse_options \
        ${func_options_prep_result+"$func_options_prep_result"}
    eval func_validate_options \
        ${func_parse_options_result+"$func_parse_options_result"}
-    for my_func in options_prep parse_options validate_options options_finish
+    eval func_run_hooks func_options \
-    do
+        ${func_validate_options_result+"$func_validate_options_result"}
      if eval func_$my_func '${1+"$@"}'; then
        eval _G_res_var='$'"func_${my_func}_result"
        eval set dummy "$_G_res_var" ; shift
        _G_rc_options=:
      fi
    done
-    # Save modified positional parameters for caller.  As a top-level
+    # save modified positional parameters for caller
-    # options-parser function we always need to set the 'func_options_result'
+    func_options_result=$func_run_hooks_result
    # variable (regardless the $_G_rc_options value).
    if $_G_rc_options; then
      func_options_result=$_G_res_var
    else
      func_quote_for_eval ${1+"$@"}
      func_options_result=$func_quote_for_eval_result
    fi
    $_G_rc_options
 }
@ -1698,9 +1649,9 @@ func_options ()
 # All initialisations required before starting the option parse loop.
 # Note that when calling hook functions, we pass through the list of
 # positional parameters.  If a hook function modifies that list, and
-# needs to propagate that back to rest of this script, then the complete
+# needs to propogate that back to rest of this script, then the complete
 # modified list must be put in 'func_run_hooks_result' before
-# returning $EXIT_SUCCESS (otherwise $EXIT_FAILURE is returned).
+# returning.
 func_hookable func_options_prep
 func_options_prep ()
 {
@ -1710,14 +1661,10 @@ func_options_prep ()
    opt_verbose=false
    opt_warning_types=
-    _G_rc_options_prep=false
+    func_run_hooks func_options_prep ${1+"$@"}
-    if func_run_hooks func_options_prep ${1+"$@"}; then
+
      _G_rc_options_prep=:
    # save modified positional parameters for caller
    func_options_prep_result=$func_run_hooks_result
    fi
    $_G_rc_options_prep
 }
@ -1731,20 +1678,18 @@ func_parse_options ()
    func_parse_options_result=
    _G_rc_parse_options=false
    # this just eases exit handling
    while test $# -gt 0; do
      # Defer to hook functions for initial option parsing, so they
      # get priority in the event of reusing an option name.
-      if func_run_hooks func_parse_options ${1+"$@"}; then
+      func_run_hooks func_parse_options ${1+"$@"}
      # Adjust func_parse_options positional parameters to match
      eval set dummy "$func_run_hooks_result"; shift
        _G_rc_parse_options=:
      fi
      # Break out of the loop if we already parsed every option.
      test $# -gt 0 || break
      _G_match_parse_options=:
      _G_opt=$1
      shift
      case $_G_opt in
@ -1759,10 +1704,7 @@ func_parse_options ()
 		      ;;
        --warnings|--warning|-W)
-                      if test $# = 0 && func_missing_arg $_G_opt; then
+                      test $# = 0 && func_missing_arg $_G_opt && break
                        _G_rc_parse_options=:
                        break
                      fi
                      case " $warning_categories $1" in
                        *" $1 "*)
                          # trailing space prevents matching last $1 above
@ -1815,25 +1757,15 @@ func_parse_options ()
                      shift
                      ;;
-        --)           _G_rc_parse_options=: ; break ;;
+        --)           break ;;
        -*)           func_fatal_help "unrecognised option: '$_G_opt'" ;;
-        *)            set dummy "$_G_opt" ${1+"$@"}; shift
+        *)            set dummy "$_G_opt" ${1+"$@"}; shift; break ;;
                      _G_match_parse_options=false
                      break
                      ;;
      esac
      $_G_match_parse_options && _G_rc_parse_options=:
    done
    if $_G_rc_parse_options; then
    # save modified positional parameters for caller
    func_quote_for_eval ${1+"$@"}
    func_parse_options_result=$func_quote_for_eval_result
    fi
    $_G_rc_parse_options
 }
@ -1846,21 +1778,16 @@ func_validate_options ()
 {
    $debug_cmd
    _G_rc_validate_options=false
    # Display all warnings if -W was not given.
    test -n "$opt_warning_types" || opt_warning_types=" $warning_categories"
-    if func_run_hooks func_validate_options ${1+"$@"}; then
+    func_run_hooks func_validate_options ${1+"$@"}
      # save modified positional parameters for caller
      func_validate_options_result=$func_run_hooks_result
      _G_rc_validate_options=:
    fi
    # Bail if the options were screwed!
    $exit_cmd $EXIT_FAILURE
-    $_G_rc_validate_options
+    # save modified positional parameters for caller
    func_validate_options_result=$func_run_hooks_result
 }
@ -2141,12 +2068,12 @@ include the following information:
       compiler:       $LTCC
       compiler flags: $LTCFLAGS
       linker:         $LD (gnu? $with_gnu_ld)
-       version:        $progname $scriptversion Debian-2.4.6-14
+       version:        $progname (GNU libtool) 2.4.6
       automake:       `($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/s/libtool/>.
+GNU libtool home page: <http://www.gnu.org/software/libtool/>.
 General help using GNU software: <http://www.gnu.org/gethelp/>."
    exit 0
 }
@ -2197,7 +2124,7 @@ fi
 # a configuration failure hint, and exit.
 func_fatal_configuration ()
 {
-    func__fatal_error ${1+"$@"} \
+    func_fatal_error ${1+"$@"} \
      "See the $PACKAGE documentation for more information." \
      "Fatal configuration error."
 }
@ -2343,8 +2270,6 @@ libtool_options_prep ()
    nonopt=
    preserve_args=
    _G_rc_lt_options_prep=:
    # Shorthand for --mode=foo, only valid as the first argument
    case $1 in
    clean|clea|cle|cl)
@ -2368,18 +2293,11 @@ libtool_options_prep ()
    uninstall|uninstal|uninsta|uninst|unins|unin|uni|un|u)
      shift; set dummy --mode uninstall ${1+"$@"}; shift
      ;;
    *)
      _G_rc_lt_options_prep=false
      ;;
    esac
    if $_G_rc_lt_options_prep; then
    # Pass back the list of options.
    func_quote_for_eval ${1+"$@"}
    libtool_options_prep_result=$func_quote_for_eval_result
    fi
    $_G_rc_lt_options_prep
 }
 func_add_hook func_options_prep libtool_options_prep
@ -2391,12 +2309,9 @@ libtool_parse_options ()
 {
    $debug_cmd
    _G_rc_lt_parse_options=false
    # Perform our own loop to consume as many options as possible in
    # each iteration.
    while test $# -gt 0; do
      _G_match_lt_parse_options=:
      _G_opt=$1
      shift
      case $_G_opt in
@ -2472,21 +2387,14 @@ libtool_parse_options ()
                        ;;
 	# An option not handled by this hook function:
-        *)              set dummy "$_G_opt" ${1+"$@"} ; shift
+        *)		set dummy "$_G_opt" ${1+"$@"};	shift; break  ;;
                        _G_match_lt_parse_options=false
                        break
                        ;;
      esac
      $_G_match_lt_parse_options && _G_rc_lt_parse_options=:
    done
-    if $_G_rc_lt_parse_options; then
+
    # save modified positional parameters for caller
    func_quote_for_eval ${1+"$@"}
    libtool_parse_options_result=$func_quote_for_eval_result
    fi
    $_G_rc_lt_parse_options
 }
 func_add_hook func_parse_options libtool_parse_options
@ -7366,14 +7274,10 @@ func_mode_link ()
      # -O*, -g*, -flto*, -fwhopr*, -fuse-linker-plugin GCC link-time optimization
      # -specs=*             GCC specs files
      # -stdlib=*            select c++ std lib with clang
      # -fsanitize=*         Clang/GCC memory and address sanitizer
      # -fuse-ld=*           Linker select flags for GCC
      # -static-*            direct GCC to link specific libraries statically
      # -fcilkplus           Cilk Plus language extension features for C/C++
      -64|-mips[0-9]|-r[0-9][0-9]*|-xarch=*|-xtarget=*|+DA*|+DD*|-q*|-m*| \
      -t[45]*|-txscale*|-p|-pg|--coverage|-fprofile-*|-F*|@*|-tp=*|--sysroot=*| \
      -O*|-g*|-flto*|-fwhopr*|-fuse-linker-plugin|-fstack-protector*|-stdlib=*| \
-      -specs=*|-fsanitize=*|-fuse-ld=*|-static-*|-fcilkplus)
+      -specs=*)
        func_quote_for_eval "$arg"
 	arg=$func_quote_for_eval_result
        func_append compile_command " $arg"
@ -7666,10 +7570,7 @@ func_mode_link ()
 	case $pass in
 	dlopen) libs=$dlfiles ;;
 	dlpreopen) libs=$dlprefiles ;;
-	link)
+	link) libs="$deplibs %DEPLIBS% $dependency_libs" ;;
 	  libs="$deplibs %DEPLIBS%"
 	  test "X$link_all_deplibs" != Xno && libs="$libs $dependency_libs"
 	  ;;
 	esac
      fi
      if test lib,dlpreopen = "$linkmode,$pass"; then
@ -7988,6 +7889,9 @@ 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/$old_library"
 	  elif test prog != "$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"
@ -7998,9 +7902,6 @@ func_mode_link ()
 	    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
 	  continue
 	fi # $pass = conv
@ -8924,9 +8825,6 @@ func_mode_link ()
 	    revision=$number_minor
 	    lt_irix_increment=no
 	    ;;
 	  *)
 	    func_fatal_configuration "$modename: unknown library version type '$version_type'"
 	    ;;
 	  esac
 	  ;;
 	no)
--- a/ac/missing
+++ b/ac/missing
@ -3,7 +3,7 @@
 scriptversion=2018-03-07.03; # UTC
-# Copyright (C) 1996-2018 Free Software Foundation, Inc.
+# Copyright (C) 1996-2020 Free Software Foundation, Inc.
 # Originally written by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996.
 # This program is free software; you can redistribute it and/or modify
--- a/ac/test-driver
+++ b/ac/test-driver
@ -3,7 +3,7 @@
 scriptversion=2018-03-07.03; # UTC
-# Copyright (C) 2011-2018 Free Software Foundation, Inc.
+# Copyright (C) 2011-2020 Free Software Foundation, Inc.
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
--- a/aclocal.m4
+++ b/aclocal.m4
@ -1,6 +1,6 @@
-# generated automatically by aclocal 1.16.1 -*- Autoconf -*-
+# generated automatically by aclocal 1.16.2 -*- Autoconf -*-
-# Copyright (C) 1996-2018 Free Software Foundation, Inc.
+# Copyright (C) 1996-2020 Free Software Foundation, Inc.
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -20,7 +20,7 @@ You have another version of autoconf.  It may work, but is not guaranteed to.
 If you have problems, you may need to regenerate the build system entirely.
 To do so, use the procedure documented by the package, typically 'autoreconf'.])])
-# Copyright (C) 2002-2018 Free Software Foundation, Inc.
+# Copyright (C) 2002-2020 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -35,7 +35,7 @@ AC_DEFUN([AM_AUTOMAKE_VERSION],
 [am__api_version='1.16'
 dnl Some users find AM_AUTOMAKE_VERSION and mistake it for a way to
 dnl require some minimum version.  Point them to the right macro.
-m4_if([$1], [1.16.1], [],
+m4_if([$1], [1.16.2], [],
      [AC_FATAL([Do not call $0, use AM_INIT_AUTOMAKE([$1]).])])dnl
 ])
@ -51,12 +51,12 @@ m4_define([_AM_AUTOCONF_VERSION], [])
 # Call AM_AUTOMAKE_VERSION and AM_AUTOMAKE_VERSION so they can be traced.
 # This function is AC_REQUIREd by AM_INIT_AUTOMAKE.
 AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION],
-[AM_AUTOMAKE_VERSION([1.16.1])dnl
+[AM_AUTOMAKE_VERSION([1.16.2])dnl
 m4_ifndef([AC_AUTOCONF_VERSION],
  [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl
 _AM_AUTOCONF_VERSION(m4_defn([AC_AUTOCONF_VERSION]))])
-# Copyright (C) 2011-2018 Free Software Foundation, Inc.
+# Copyright (C) 2011-2020 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -118,7 +118,7 @@ AC_SUBST([AR])dnl
 # AM_AUX_DIR_EXPAND                                         -*- Autoconf -*-
-# Copyright (C) 2001-2018 Free Software Foundation, Inc.
+# Copyright (C) 2001-2020 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -170,7 +170,7 @@ am_aux_dir=`cd "$ac_aux_dir" && pwd`
 # AM_CONDITIONAL                                            -*- Autoconf -*-
-# Copyright (C) 1997-2018 Free Software Foundation, Inc.
+# Copyright (C) 1997-2020 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -201,7 +201,7 @@ AC_CONFIG_COMMANDS_PRE(
 Usually this means the macro was only invoked conditionally.]])
 fi])])
-# Copyright (C) 1999-2018 Free Software Foundation, Inc.
+# Copyright (C) 1999-2020 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -392,7 +392,7 @@ _AM_SUBST_NOTMAKE([am__nodep])dnl
 # Generate code to set up dependency tracking.              -*- Autoconf -*-
-# Copyright (C) 1999-2018 Free Software Foundation, Inc.
+# Copyright (C) 1999-2020 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -431,7 +431,9 @@ AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
  done
  if test $am_rc -ne 0; then
    AC_MSG_FAILURE([Something went wrong bootstrapping makefile fragments
-    for automatic dependency tracking.  Try re-running configure with the
+    for automatic dependency tracking.  If GNU make was not used, consider
    re-running the configure script with MAKE="gmake" (or whatever is
    necessary).  You can also try re-running configure with the
    '--disable-dependency-tracking' option to at least be able to build
    the package (albeit without support for automatic dependency tracking).])
  fi
@ -458,7 +460,7 @@ AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS],
 # Do all the work for Automake.                             -*- Autoconf -*-
-# Copyright (C) 1996-2018 Free Software Foundation, Inc.
+# Copyright (C) 1996-2020 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -655,7 +657,7 @@ for _am_header in $config_headers :; do
 done
 echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
-# Copyright (C) 2001-2018 Free Software Foundation, Inc.
+# Copyright (C) 2001-2020 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -676,7 +678,7 @@ if test x"${install_sh+set}" != xset; then
 fi
 AC_SUBST([install_sh])])
-# Copyright (C) 2003-2018 Free Software Foundation, Inc.
+# Copyright (C) 2003-2020 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -697,7 +699,7 @@ AC_SUBST([am__leading_dot])])
 # Check to see how 'make' treats includes.	            -*- Autoconf -*-
-# Copyright (C) 2001-2018 Free Software Foundation, Inc.
+# Copyright (C) 2001-2020 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -740,7 +742,7 @@ AC_SUBST([am__quote])])
 # Fake the existence of programs that GNU maintainers use.  -*- Autoconf -*-
-# Copyright (C) 1997-2018 Free Software Foundation, Inc.
+# Copyright (C) 1997-2020 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -779,7 +781,7 @@ fi
 # Helper functions for option handling.                     -*- Autoconf -*-
-# Copyright (C) 2001-2018 Free Software Foundation, Inc.
+# Copyright (C) 2001-2020 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -808,7 +810,7 @@ AC_DEFUN([_AM_SET_OPTIONS],
 AC_DEFUN([_AM_IF_OPTION],
 [m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
-# Copyright (C) 1999-2018 Free Software Foundation, Inc.
+# Copyright (C) 1999-2020 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -855,7 +857,7 @@ AC_LANG_POP([C])])
 # For backward compatibility.
 AC_DEFUN_ONCE([AM_PROG_CC_C_O], [AC_REQUIRE([AC_PROG_CC])])
-# Copyright (C) 2001-2018 Free Software Foundation, Inc.
+# Copyright (C) 2001-2020 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -874,7 +876,7 @@ AC_DEFUN([AM_RUN_LOG],
 # Check to make sure that the build environment is sane.    -*- Autoconf -*-
-# Copyright (C) 1996-2018 Free Software Foundation, Inc.
+# Copyright (C) 1996-2020 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -955,7 +957,7 @@ AC_CONFIG_COMMANDS_PRE(
 rm -f conftest.file
 ])
-# Copyright (C) 2009-2018 Free Software Foundation, Inc.
+# Copyright (C) 2009-2020 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -1015,7 +1017,7 @@ AC_SUBST([AM_BACKSLASH])dnl
 _AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl
 ])
-# Copyright (C) 2001-2018 Free Software Foundation, Inc.
+# Copyright (C) 2001-2020 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -1043,7 +1045,7 @@ fi
 INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
 AC_SUBST([INSTALL_STRIP_PROGRAM])])
-# Copyright (C) 2006-2018 Free Software Foundation, Inc.
+# Copyright (C) 2006-2020 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -1062,7 +1064,7 @@ AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
 # Check how to create a tarball.                            -*- Autoconf -*-
-# Copyright (C) 2004-2018 Free Software Foundation, Inc.
+# Copyright (C) 2004-2020 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
--- a/bin/Makefile.am
+++ b/bin/Makefile.am
@ -12,7 +12,7 @@ LIBADD_COMMON = ../lib/libhio.la
 if ENABLE_ALL_STATIC
 LDFLAGS_ALL_STATIC ?= -all-static
-LIBADD_ALL_STATIC ?= 
+LIBADD_ALL_STATIC ?= $(ALL_STATIC_LIBS)
 else
 LDFLAGS_ALL_STATIC = 
 LIBADD_ALL_STATIC =
--- a/bin/Makefile.in
+++ b/bin/Makefile.in
@ -1,7 +1,7 @@
-# Makefile.in generated by automake 1.16.1 from Makefile.am.
+# Makefile.in generated by automake 1.16.2 from Makefile.am.
 # @configure_input@
-# Copyright (C) 1994-2018 Free Software Foundation, Inc.
+# Copyright (C) 1994-2020 Free Software Foundation, Inc.
 # This Makefile.in is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -247,6 +247,7 @@ CTAGS = ctags
 am__DIST_COMMON = $(srcdir)/Makefile.in $(top_srcdir)/ac/depcomp
 DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
 ACLOCAL = @ACLOCAL@
 ALL_STATIC_LIBS = @ALL_STATIC_LIBS@
 AMTAR = @AMTAR@
 AM_DEFAULT_VERBOSITY = @AM_DEFAULT_VERBOSITY@
 AR = @AR@
@ -967,7 +968,7 @@ uninstall-am: uninstall-binPROGRAMS
@ENABLE_ALL_STATIC_TRUE@LDFLAGS_ALL_STATIC ?= -all-static
-@ENABLE_ALL_STATIC_TRUE@LIBADD_ALL_STATIC ?= 
+@ENABLE_ALL_STATIC_TRUE@LIBADD_ALL_STATIC ?= $(ALL_STATIC_LIBS)
 # Tell versions [3.59,3.63) of GNU make to not export all variables.
 # Otherwise a system limit (for SysV at least) may be exceeded.
--- a/bin/webs.c
+++ b/bin/webs.c
@ -12,6 +12,7 @@ typedef struct htts_ext_t htts_ext_t;
 static int process_http_request (hio_svc_htts_t* htts, hio_dev_sck_t* csck, hio_htre_t* req)
 {
 	htts_ext_t* ext = hio_svc_htts_getxtn(htts);
 	hio_t* hio = hio_svc_htts_gethio(htts);
 	hio_http_method_t mth;
 	const hio_bch_t* qpath;
@ -20,10 +21,15 @@ static int process_http_request (hio_svc_htts_t* htts, hio_dev_sck_t* csck, hio_
 	mth = hio_htre_getqmethodtype(req);
 	qpath = hio_htre_getqpath(req);
-	if (mth == HIO_HTTP_GET)
+	if (mth == HIO_HTTP_GET || mth == HIO_HTTP_POST)
 	{
-		/* TODO: mime-type */
+		/* TODO: proper mime-type */
-		if (hio_svc_htts_dofile(htts, csck, req, ext->docroot, qpath, "text/plain") <= -1) goto oops;
+		const hio_bch_t* dot;
 		hio_bch_t mt[128];
 		dot = hio_rfind_bchar_in_bcstr(qpath, '.');
 		hio_fmttobcstr (hio, mt, HIO_COUNTOF(mt), "text/%hs", ((dot && dot[1] != '\0')? &dot[1]: "plain")); /* TODO: error check */
 		if (hio_svc_htts_dofile(htts, csck, req, ext->docroot, qpath, mt) <= -1) goto oops;
 	}
 	else
 	{
--- a/94
+++ b/94
@ -657,6 +657,7 @@ ENABLE_MARIADB_TRUE
 ENABLE_SSL_FALSE
 ENABLE_SSL_TRUE
 SSL_LIBS
 ALL_STATIC_LIBS
 ENABLE_ALL_STATIC_FALSE
 ENABLE_ALL_STATIC_TRUE
 PTHREAD_CFLAGS
@ -800,6 +801,7 @@ with_sysroot
 enable_libtool_lock
 enable_largefile
 enable_all_static
 with_all_static_libs
 enable_ssl
 enable_mariadb
 with_mariadb
@ -1480,6 +1482,9 @@ Optional Packages:
  --with-gnu-ld           assume the C compiler uses GNU ld [default=no]
  --with-sysroot[=DIR]    Search for dependent libraries within DIR (or the
                          compiler's sysroot if not specified).
  --with-all-static-libs[=lib-list]
                          specify extra libraries to add for building the full
                          static binaries
  --with-mariadb-config[=PATH]
                          specify path to the mariadb_config utility
@ -6552,7 +6557,7 @@ linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
  lt_cv_deplibs_check_method=pass_all
  ;;
-netbsd* | netbsdelf*-gnu)
+netbsd*)
  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
@ -6914,7 +6919,7 @@ esac
 fi
 : ${AR=ar}
-: ${AR_FLAGS=cr}
+: ${AR_FLAGS=cru}
@ -7415,8 +7420,11 @@ _LT_EOF
  test $ac_status = 0; }; then
    # Now try to grab the symbols.
    nlist=conftest.nm
-    $ECHO "$as_me:$LINENO: $NM conftest.$ac_objext | $lt_cv_sys_global_symbol_pipe > $nlist" >&5
+    if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist\""; } >&5
-    if eval "$NM" conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist 2>&5 && test -s "$nlist"; then
+  (eval $NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist) 2>&5
  ac_status=$?
  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
  test $ac_status = 0; } && test -s "$nlist"; then
      # Try sorting and uniquifying the output.
      if sort "$nlist" | uniq > "$nlist"T; then
 	mv -f "$nlist"T "$nlist"
@ -8635,8 +8643,8 @@ int forced_loaded() { return 2;}
 _LT_EOF
      echo "$LTCC $LTCFLAGS -c -o conftest.o conftest.c" >&5
      $LTCC $LTCFLAGS -c -o conftest.o conftest.c 2>&5
-      echo "$AR cr libconftest.a conftest.o" >&5
+      echo "$AR cru libconftest.a conftest.o" >&5
-      $AR cr libconftest.a conftest.o 2>&5
+      $AR cru libconftest.a conftest.o 2>&5
      echo "$RANLIB libconftest.a" >&5
      $RANLIB libconftest.a 2>&5
      cat > conftest.c << _LT_EOF
@ -9765,12 +9773,6 @@ lt_prog_compiler_static=
 	lt_prog_compiler_pic='-KPIC'
 	lt_prog_compiler_static='-static'
        ;;
      # flang / f18. f95 an alias for gfortran or flang on Debian
      flang* | f18* | f95*)
 	lt_prog_compiler_wl='-Wl,'
 	lt_prog_compiler_pic='-fPIC'
 	lt_prog_compiler_static='-static'
        ;;
      # icc used to be incompatible with GCC.
      # ICC 10 doesn't accept -KPIC any more.
      icc* | ifort*)
@ -10247,9 +10249,6 @@ $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
@ -10504,7 +10503,7 @@ _LT_EOF
      fi
      ;;
-    netbsd* | netbsdelf*-gnu)
+    netbsd*)
      if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
 	archive_cmds='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib'
 	wlarc=
@ -11174,7 +11173,6 @@ $as_echo "$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'
@ -11196,7 +11194,7 @@ $as_echo "$lt_cv_irix_exported_symbol" >&6; }
      esac
      ;;
-    netbsd* | netbsdelf*-gnu)
+    netbsd*)
      if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
 	archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'  # a.out
      else
@ -12291,6 +12289,9 @@ 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
@ -12299,7 +12300,7 @@ 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="/lib /usr/lib $lt_ld_extra"
+    sys_lib_dlsearch_path_spec="$sys_lib_dlsearch_path_spec $lt_ld_extra"
  fi
  # We used to test for /lib/ld.so.1 and disable shared libraries on
@ -12311,18 +12312,6 @@ fi
  dynamic_linker='GNU/Linux ld.so'
  ;;
 netbsdelf*-gnu)
  version_type=linux
  need_lib_prefix=no
  need_version=no
  library_names_spec='${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
@ -13367,7 +13356,7 @@ else
    We can't simply define LARGE_OFF_T to be 9223372036854775807,
    since some C++ compilers masquerading as C compilers
    incorrectly reject 9223372036854775807.  */
-#define LARGE_OFF_T ((((off_t) 1 << 31) << 31) - 1 + (((off_t) 1 << 31) << 31))
+#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
  int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
 		       && LARGE_OFF_T % 2147483647 == 1)
 		      ? 1 : -1];
@ -13413,7 +13402,7 @@ else
    We can't simply define LARGE_OFF_T to be 9223372036854775807,
    since some C++ compilers masquerading as C compilers
    incorrectly reject 9223372036854775807.  */
-#define LARGE_OFF_T ((((off_t) 1 << 31) << 31) - 1 + (((off_t) 1 << 31) << 31))
+#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
  int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
 		       && LARGE_OFF_T % 2147483647 == 1)
 		      ? 1 : -1];
@ -13437,7 +13426,7 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
    We can't simply define LARGE_OFF_T to be 9223372036854775807,
    since some C++ compilers masquerading as C compilers
    incorrectly reject 9223372036854775807.  */
-#define LARGE_OFF_T ((((off_t) 1 << 31) << 31) - 1 + (((off_t) 1 << 31) << 31))
+#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
  int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
 		       && LARGE_OFF_T % 2147483647 == 1)
 		      ? 1 : -1];
@ -13482,7 +13471,7 @@ else
    We can't simply define LARGE_OFF_T to be 9223372036854775807,
    since some C++ compilers masquerading as C compilers
    incorrectly reject 9223372036854775807.  */
-#define LARGE_OFF_T ((((off_t) 1 << 31) << 31) - 1 + (((off_t) 1 << 31) << 31))
+#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
  int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
 		       && LARGE_OFF_T % 2147483647 == 1)
 		      ? 1 : -1];
@ -13506,7 +13495,7 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
    We can't simply define LARGE_OFF_T to be 9223372036854775807,
    since some C++ compilers masquerading as C compilers
    incorrectly reject 9223372036854775807.  */
-#define LARGE_OFF_T ((((off_t) 1 << 31) << 31) - 1 + (((off_t) 1 << 31) << 31))
+#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
  int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
 		       && LARGE_OFF_T % 2147483647 == 1)
 		      ? 1 : -1];
@ -15478,6 +15467,7 @@ if test "${enable_all_static+set}" = set; then :
  enableval=$enable_all_static; enable_all_static_is=$enableval
 else
  enable_all_static_is=no
 fi
 if test "x${enable_all_static_is}" = "xyes"; then
@ -15489,11 +15479,24 @@ else
 fi
 # Check whether --with-all-static-libs was given.
 if test "${with_all_static_libs+set}" = set; then :
  withval=$with_all_static_libs;
 else
  with_all_static_libs=
 fi
 ALL_STATIC_LIBS="$with_all_static_libs"
 # Check whether --enable-ssl was given.
 if test "${enable_ssl+set}" = set; then :
  enableval=$enable_ssl; enable_ssl_is=$enableval
 else
  enable_ssl_is=yes
 fi
 if test "x$enable_ssl_is" = "xyes"
@ -19158,13 +19161,13 @@ fi
 # Check whether --enable-wide-char was given.
 if test "${enable_wide_char+set}" = set; then :
-  enableval=$enable_wide_char; enable_wide_char=$enableval
+  enableval=$enable_wide_char; enable_wide_char_is=$enableval
 else
-  enable_wide_char=yes
+  enable_wide_char_is=yes
 fi
-if test "${enable_wide_char}" = "yes:4"
+if test "${enable_wide_char_is}" = "yes:4"
 then
 $as_echo "#define HIO_WIDE_CHAR_SIZE 4" >>confdefs.h
@ -19176,7 +19179,7 @@ $as_echo "#define HIO_ENABLE_WIDE_CHAR 1" >>confdefs.h
 	then
 		CFLAGS="$CFLAGS -DUNICODE -D_UNICODE"
 	fi
-elif test "${enable_wide_char}" = "yes:2"
+elif test "${enable_wide_char_is}" = "yes:2"
 then
 $as_echo "#define HIO_WIDE_CHAR_SIZE 2" >>confdefs.h
@ -19188,7 +19191,7 @@ $as_echo "#define HIO_ENABLE_WIDE_CHAR 1" >>confdefs.h
 	then
 		CFLAGS="$CFLAGS -DUNICODE -D_UNICODE"
 	fi
-elif test "${enable_wide_char}" = "yes"
+elif test "${enable_wide_char_is}" = "yes"
 then
 $as_echo "#define HIO_WIDE_CHAR_SIZE 1" >>confdefs.h
@ -19200,12 +19203,12 @@ $as_echo "#define HIO_ENABLE_WIDE_CHAR 1" >>confdefs.h
 	then
 		CFLAGS="$CFLAGS -DUNICODE -D_UNICODE"
 	fi
-elif test "${enable_wide_char}" = "no:4"
+elif test "${enable_wide_char_is}" = "no:4"
 then
 $as_echo "#define HIO_WIDE_CHAR_SIZE 4" >>confdefs.h
-elif test "${enable_wide_char}" = "no:2"
+elif test "${enable_wide_char_is}" = "no:2"
 then
 $as_echo "#define HIO_WIDE_CHAR_SIZE 2" >>confdefs.h
@ -20992,7 +20995,9 @@ $as_echo X/"$am_mf" |
    { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "Something went wrong bootstrapping makefile fragments
-    for automatic dependency tracking.  Try re-running configure with the
+    for automatic dependency tracking.  If GNU make was not used, consider
    re-running the configure script with MAKE=\"gmake\" (or whatever is
    necessary).  You can also try re-running configure with the
    '--disable-dependency-tracking' option to at least be able to build
    the package (albeit without support for automatic dependency tracking).
 See \`config.log' for more details" "$LINENO" 5; }
@ -21019,6 +21024,7 @@ See \`config.log' for more details" "$LINENO" 5; }
    cat <<_LT_EOF >> "$cfgfile"
 #! $SHELL
 # Generated automatically by $as_me ($PACKAGE) $VERSION
 # Libtool was configured on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
 # NOTE: Changes made to this file will be lost: look at ltmain.sh.
 # Provide generalized library-building support services.
--- a/configure.ac
+++ b/configure.ac
@ -242,13 +242,27 @@ AC_CHECK_LIB([pthread], [pthread_mutex_trylock],  [
 ])
 dnl ===== enable-all-static =====
-AC_ARG_ENABLE([all-static], [AS_HELP_STRING([--enable-all-static],[build the full static binaries(default. no)])],
+AC_ARG_ENABLE([all-static], 
-	enable_all_static_is=$enableval,enable_all_static_is=no)
+	[AS_HELP_STRING([--enable-all-static],[build the full static binaries(default. no)])],
 	enable_all_static_is=$enableval,
 	enable_all_static_is=no
 )
 AM_CONDITIONAL(ENABLE_ALL_STATIC, test "x${enable_all_static_is}" = "xyes")
 AC_ARG_WITH([all-static-libs], 
 	[AS_HELP_STRING([--with-all-static-libs[[=lib-list]]],[specify extra libraries to add for building the full static binaries])],
 	[],
 	[with_all_static_libs=]
 )
 ALL_STATIC_LIBS="$with_all_static_libs"
 AC_SUBST(ALL_STATIC_LIBS)
 dnl ===== enable-ssl =====
-AC_ARG_ENABLE([ssl], [AS_HELP_STRING([--enable-ssl],[build the library in the ssl mode (default. yes)])],
+AC_ARG_ENABLE([ssl], 
-	enable_ssl_is=$enableval,enable_ssl_is=yes)
+	[AS_HELP_STRING([--enable-ssl],[build the library in the ssl mode (default. yes)])],
 	enable_ssl_is=$enableval,
 	enable_ssl_is=yes
 )
 if test "x$enable_ssl_is" = "xyes"
 then
 	AC_CHECK_HEADERS([openssl/ssl.h openssl/err.h openssl/engine.h])
@ -803,10 +817,10 @@ fi
 AC_ARG_ENABLE([wide-char], 
 	[AS_HELP_STRING([--enable-wide-char],[Use the wide-character type as the default character type. one of yes, no, yes:2, yes:4, no:2, no:4 (default. yes)])],
-	enable_wide_char=$enableval,
+	enable_wide_char_is=$enableval,
-	enable_wide_char=yes
+	enable_wide_char_is=yes
 )
-if test "${enable_wide_char}" = "yes:4"
+if test "${enable_wide_char_is}" = "yes:4"
 then
 	AC_DEFINE([HIO_WIDE_CHAR_SIZE],[4],[Wide-character type size])
 	AC_DEFINE([HIO_ENABLE_WIDE_CHAR],[1],[Use the wide-character type as the default character type])
@ -814,7 +828,7 @@ then
 	then
 		[CFLAGS="$CFLAGS -DUNICODE -D_UNICODE"]
 	fi 
-elif test "${enable_wide_char}" = "yes:2"
+elif test "${enable_wide_char_is}" = "yes:2"
 then
 	AC_DEFINE([HIO_WIDE_CHAR_SIZE],[2],[Wide-character type size])
 	AC_DEFINE([HIO_ENABLE_WIDE_CHAR],[1],[Use the wide-character type as the default character type])
@ -822,7 +836,7 @@ then
 	then
 		[CFLAGS="$CFLAGS -DUNICODE -D_UNICODE"]
 	fi
-elif test "${enable_wide_char}" = "yes"
+elif test "${enable_wide_char_is}" = "yes"
 then
 	AC_DEFINE([HIO_WIDE_CHAR_SIZE],[1],[Wide-character type size])
 	AC_DEFINE([HIO_ENABLE_WIDE_CHAR],[1],[Use the wide-character type as the default character type])
@ -830,10 +844,10 @@ then
 	then
 		[CFLAGS="$CFLAGS -DUNICODE -D_UNICODE"]
 	fi
-elif test "${enable_wide_char}" = "no:4"
+elif test "${enable_wide_char_is}" = "no:4"
 then
 	AC_DEFINE([HIO_WIDE_CHAR_SIZE],[4],[Wide-character type size])
-elif test "${enable_wide_char}" = "no:2"
+elif test "${enable_wide_char_is}" = "no:2"
 then
 	AC_DEFINE([HIO_WIDE_CHAR_SIZE],[2],[Wide-character type size])
 else
--- a/lib/Makefile.in
+++ b/lib/Makefile.in
@ -1,7 +1,7 @@
-# Makefile.in generated by automake 1.16.1 from Makefile.am.
+# Makefile.in generated by automake 1.16.2 from Makefile.am.
 # @configure_input@
-# Copyright (C) 1994-2018 Free Software Foundation, Inc.
+# Copyright (C) 1994-2020 Free Software Foundation, Inc.
 # This Makefile.in is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -263,8 +263,8 @@ am__include_HEADERS_DIST = hio-chr.h hio-cmn.h hio-dhcp.h hio-dns.h \
 	hio-sck.h hio-shw.h hio-skad.h hio-str.h hio-thr.h hio-upac.h \
 	hio-utl.h hio.h hio-mar.h
 HEADERS = $(include_HEADERS)
-am__tagged_files = $(HEADERS) $(SOURCES) $(TAGS_FILES) \
+am__tagged_files = $(HEADERS) $(SOURCES) $(TAGS_FILES) $(LISP) \
-	$(LISP)hio-cfg.h.in
+	hio-cfg.h.in
 # Read a list of newline-separated strings from the standard input,
 # and print each of them once, without duplicates.  Input order is
 # *not* preserved.
@ -287,6 +287,7 @@ am__DIST_COMMON = $(srcdir)/Makefile.in $(srcdir)/hio-cfg.h.in \
 	$(top_srcdir)/ac/depcomp
 DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
 ACLOCAL = @ACLOCAL@
 ALL_STATIC_LIBS = @ALL_STATIC_LIBS@
 AMTAR = @AMTAR@
 AM_DEFAULT_VERBOSITY = @AM_DEFAULT_VERBOSITY@
 AR = @AR@
--- a/lib/http-file.c
+++ b/lib/http-file.c
@ -57,7 +57,6 @@ struct file_t
 	hio_oow_t num_pending_writes_to_client;
 	hio_oow_t num_pending_writes_to_peer;
 	int sendfile_ok;
 	int peer;
 	hio_foff_t total_size;
@ -76,6 +75,7 @@ struct file_t
 	unsigned int keep_alive: 1;
 	unsigned int req_content_length_unlimited: 1;
 	unsigned int ever_attempted_to_write_to_client: 1;
 	unsigned int client_eof_detected: 1;
 	unsigned int client_disconnected: 1;
 	unsigned int client_htrd_recbs_changed: 1;
 	unsigned int etag_match: 1;
@ -98,8 +98,10 @@ static void file_halt_participating_devices (file_t* file)
 	HIO_ASSERT (file->client->htts->hio, file->client != HIO_NULL);
 	HIO_ASSERT (file->client->htts->hio, file->client->sck != HIO_NULL);
-	HIO_DEBUG4 (file->client->htts->hio, "HTTS(%p) - Halting participating devices in file state %p(client=%p,peer=%d)\n", file->client->htts, file, file->client->sck, (int)file->peer);
+	HIO_DEBUG3 (file->client->htts->hio, "HTTS(%p) - file(c=%d,p=%d) Halting participating devices in file state\n", file->client->htts, (int)file->client->sck->hnd, (int)file->peer);
 	/* only the client socket device. 
 	 * the peer side is just a file descriptor - no hio-managed device */
 	hio_dev_sck_halt (file->client->sck);
 }
@ -186,13 +188,13 @@ static void file_mark_over (file_t* file, int over_bits)
 	old_over = file->over;
 	file->over |= over_bits;
-	HIO_DEBUG5 (file->htts->hio, "HTTS(%p) - client=%p peer=%p new-bits=%x over=%x\n", file->htts, file->client->sck, file->peer, (int)over_bits, (int)file->over);
+	HIO_DEBUG6 (file->htts->hio, "HTTS(%p) - file(c=%d,p=%d) updating mark - old_over=%x | new-bits=%x => over=%x\n", file->htts, (int)file->client->sck->hnd, file->peer, (int)old_over, (int)over_bits, (int)file->over);
 	if (!(old_over & FILE_OVER_READ_FROM_CLIENT) && (file->over & FILE_OVER_READ_FROM_CLIENT))
 	{
 		if (hio_dev_sck_read(file->client->sck, 0) <= -1) 
 		{
-			HIO_DEBUG2 (file->htts->hio, "HTTS(%p) - halting client(%p) for failure to disable input watching\n", file->htts, file->client->sck);
+			HIO_DEBUG3 (file->htts->hio, "HTTS(%p) - file(c=%d,p=%d) halting client for failure to disable input watching\n", file->htts, (int)file->client->sck->hnd, file->peer);
 			hio_dev_sck_halt (file->client->sck);
 		}
 	}
@ -207,10 +209,10 @@ static void file_mark_over (file_t* file, int over_bits)
 	if (old_over != FILE_OVER_ALL && file->over == FILE_OVER_ALL)
 	{
 		/* ready to stop */
-		HIO_DEBUG2 (file->htts->hio, "HTTS(%p) - halting peer(%p) as it is unneeded\n", file->htts, file->peer);
+		HIO_DEBUG3 (file->htts->hio, "HTTS(%p) - file(c=%d,p=%d) halting peer as it is unneeded\n", file->htts, (int)file->client->sck->hnd, file->peer);
 		file_close_peer (file);
-		if (file->keep_alive) 
+		if (file->keep_alive && !file->client_eof_detected) 
 		{
 		#if defined(TCP_CORK)
 			int tcp_cork = 0;
@ -223,20 +225,19 @@ static void file_mark_over (file_t* file, int over_bits)
 			/* how to arrange to delete this file object and put the socket back to the normal waiting state??? */
 			HIO_ASSERT (file->htts->hio, file->client->rsrc == (hio_svc_htts_rsrc_t*)file);
 			HIO_SVC_HTTS_RSRC_DETACH (file->client->rsrc);
-			/* file must not be accessed from here down as it could have been destroyed */
+			/* the file resource must not be accessed from here down as it could have been destroyed */
 		}
 		else
 		{
-			HIO_DEBUG2 (file->htts->hio, "HTTS(%p) - halting client(%p) for no keep-alive\n", file->htts, file->client->sck);
+			HIO_DEBUG4 (file->htts->hio, "HTTS(%p) - file(c=%d,p=%d) halting client for %hs\n", file->htts, (int)file->client->sck->hnd, file->peer, (file->client_eof_detected? "EOF detected": "no keep-alive"));
 			hio_dev_sck_shutdown (file->client->sck, HIO_DEV_SCK_SHUTDOWN_WRITE);
 			hio_dev_sck_halt (file->client->sck);
 			/* the file resource will be detached from file->client->rsrc by the upstream disconnect handler in http_svr.c */
 		}
 	}
 }
 static int file_write_to_peer (file_t* file, const void* data, hio_iolen_t dlen)
 {
 	hio_t* hio = file->htts->hio;
@ -260,7 +261,7 @@ static void file_on_kill (file_t* file)
 {
 	hio_t* hio = file->htts->hio;
-	HIO_DEBUG2 (hio, "HTTS(%p) - killing file client(%p)\n", file->htts, file->client->sck);
+	HIO_DEBUG3 (hio, "HTTS(%p) - file(c=%d,p=%d) on_kill\n", file->htts, (int)file->client->sck->hnd, file->peer);
 	file_close_peer (file);
@ -292,7 +293,7 @@ static void file_on_kill (file_t* file)
 	{
 		if (!file->keep_alive || hio_dev_sck_read(file->client->sck, 1) <= -1)
 		{
-			HIO_DEBUG2 (hio, "HTTS(%p) - halting client(%p) for failure to enable input watching\n", file->htts, file->client->sck);
+			HIO_DEBUG3 (hio, "HTTS(%p) - file(c=%d,p=%d) halting client for failure to enable input watching\n", file->htts, (int)file->client->sck->hnd, file->peer);
 			hio_dev_sck_halt (file->client->sck);
 		}
 	}
@ -300,10 +301,21 @@ static void file_on_kill (file_t* file)
 static void file_client_on_disconnect (hio_dev_sck_t* sck)
 {
 	hio_t* hio = sck->hio;
 	hio_svc_htts_cli_t* cli = hio_dev_sck_getxtn(sck);
 	file_t* file = (file_t*)cli->rsrc;
 	HIO_ASSERT (hio, sck == cli->sck);
 	HIO_ASSERT (hio, sck == file->client->sck);
 	HIO_DEBUG3 (cli->htts->hio, "HTTS(%p) - file(c=%d,p=%d) client on_disconnect\n", file->client->htts, (int)sck->hnd, file->peer);
 	file->client_disconnected = 1;
 	file->client_org_on_disconnect (sck);
 	/* the original disconnect handler (listener_on_disconnect in http-svr.c) 
 	 * frees the file resource attached to the client. so it must not be accessed */
 	HIO_ASSERT (hio, cli->rsrc == HIO_NULL);
 }
 static int file_client_on_read (hio_dev_sck_t* sck, const void* buf, hio_iolen_t len, const hio_skad_t* srcaddr)
@ -313,11 +325,12 @@ static int file_client_on_read (hio_dev_sck_t* sck, const void* buf, hio_iolen_t
 	file_t* file = (file_t*)cli->rsrc;
 	HIO_ASSERT (hio, sck == cli->sck);
 	HIO_ASSERT (hio, sck == file->client->sck);
 	if (len <= -1)
 	{
 		/* read error */
-		HIO_DEBUG2 (cli->htts->hio, "HTTPS(%p) - read error on client %p(%d)\n", sck, (int)sck->hnd);
+		HIO_DEBUG3 (cli->htts->hio, "HTTS(%p) - file(c=%d,p=%d) read error on client\n", file->client->htts, (int)sck->hnd, file->peer);
 		goto oops;
 	}
@ -330,11 +343,12 @@ static int file_client_on_read (hio_dev_sck_t* sck, const void* buf, hio_iolen_t
 	if (len == 0)
 	{
 		/* EOF on the client side. arrange to close */
-		HIO_DEBUG3 (hio, "HTTPS(%p) - EOF from client %p(hnd=%d)\n", file->client->htts, sck, (int)sck->hnd);
+		HIO_DEBUG3 (cli->htts->hio, "HTTS(%p) - file(c=%d,p=%d) EOF detected on client\n", file->client->htts, (int)sck->hnd, file->peer);
 		if (!(file->over & FILE_OVER_READ_FROM_CLIENT)) /* if this is true, EOF is received without file_client_htrd_poke() */
 		{
 			if (file_write_to_peer(file, HIO_NULL, 0) <= -1) goto oops;
 			file->client_eof_detected = 1;
 			file_mark_over (file, FILE_OVER_READ_FROM_CLIENT);
 		}
 	}
@ -349,7 +363,7 @@ static int file_client_on_read (hio_dev_sck_t* sck, const void* buf, hio_iolen_t
 		if (rem > 0)
 		{
 			/* TODO store this to client buffer. once the current resource is completed, arrange to call on_read() with it */
-			HIO_DEBUG3 (hio, "HTTPS(%p) - excessive data after contents by file client %p(%d)\n", sck->hio, sck, (int)sck->hnd);
+			HIO_DEBUG3 (cli->htts->hio, "HTTS(%p) - file(c=%d,p=%d) excessive data after contents on client\n", file->client->htts, (int)sck->hnd, file->peer);
 		}
 	}
@ -366,9 +380,12 @@ static int file_client_on_write (hio_dev_sck_t* sck, hio_iolen_t wrlen, void* wr
 	hio_svc_htts_cli_t* cli = hio_dev_sck_getxtn(sck);
 	file_t* file = (file_t*)cli->rsrc;
 	HIO_ASSERT (hio, sck == cli->sck);
 	HIO_ASSERT (hio, sck == file->client->sck);
 	if (wrlen <= -1)
 	{
-		HIO_DEBUG3 (hio, "HTTPS(%p) - unable to write to client %p(%d)\n", sck->hio, sck, (int)sck->hnd);
+		HIO_DEBUG3 (hio, "HTTS(%p) - file(c=%d,p=%d) unable to write to client\n", file->client->htts, (int)sck->hnd, file->peer);
 		goto oops;
 	}
@ -377,7 +394,7 @@ static int file_client_on_write (hio_dev_sck_t* sck, hio_iolen_t wrlen, void* wr
 		/* if the connect is keep-alive, this part may not be called */
 		file->num_pending_writes_to_client--;
 		HIO_ASSERT (hio, file->num_pending_writes_to_client == 0);
-		HIO_DEBUG3 (hio, "HTTS(%p) - indicated EOF to client %p(%d)\n", file->client->htts, sck, (int)sck->hnd);
+		HIO_DEBUG3 (hio, "HTTS(%p) - file(c=%d,p=%d) indicated EOF to client\n", file->client->htts, (int)sck->hnd, file->peer);
 		/* since EOF has been indicated to the client, it must not write to the client any further.
 		 * this also means that i don't need any data from the peer side either.
 		 * i don't need to enable input watching on the peer side */
@ -733,6 +750,9 @@ int hio_svc_htts_dofile (hio_svc_htts_t* htts, hio_dev_sck_t* csck, hio_htre_t*
 	/* ensure that you call this function before any contents is received */
 	HIO_ASSERT (hio, hio_htre_getcontentlen(req) == 0);
 	HIO_ASSERT (hio, cli->sck == csck);
 	HIO_DEBUG5 (hio, "HTTS(%p) - file(c=%d) - [%hs] %hs%hs\n", htts, (int)csck->hnd, cli->cli_addr_bcstr, (docroot[0] == '/' && docroot[1] == '\0' && filepath[0] == '/'? "": docroot), filepath);
 	actual_file = hio_svc_htts_dupmergepaths(htts, docroot, filepath);
 	if (HIO_UNLIKELY(!actual_file)) goto oops;
@ -756,7 +776,7 @@ int hio_svc_htts_dofile (hio_svc_htts_t* htts, hio_dev_sck_t* csck, hio_htre_t*
 	csck->on_disconnect = file_client_on_disconnect;
 	HIO_ASSERT (hio, cli->rsrc == HIO_NULL); /* you must not call this function while cli->rsrc is not HIO_NULL */
-	HIO_SVC_HTTS_RSRC_ATTACH (file, cli->rsrc);
+	HIO_SVC_HTTS_RSRC_ATTACH (file, cli->rsrc); /* cli->rsrc = file with ref-count up */
 	file->peer_tmridx = HIO_TMRIDX_INVALID;
 	file->peer = -1;
@ -879,7 +899,7 @@ int hio_svc_htts_dofile (hio_svc_htts_t* htts, hio_dev_sck_t* csck, hio_htre_t*
 	return 0;
 oops:
-	HIO_DEBUG2 (hio, "HTTS(%p) - FAILURE in dofile - socket(%p)\n", htts, csck);
+	HIO_DEBUG2 (hio, "HTTS(%p) - file(c=%d) failure\n", htts, csck->hnd);
 	if (file) file_halt_participating_devices (file);
 	if (actual_file) hio_freemem (hio, actual_file);
 	return -1;
--- a/lib/http-prv.h
+++ b/lib/http-prv.h
@ -40,6 +40,8 @@ struct hio_svc_htts_cli_t
 	/* a client sockets uses all the fields in this struct */
 	hio_svc_htts_t* htts;
 	hio_dev_sck_t* sck;
 	hio_skad_t cli_addr;
 	hio_bch_t cli_addr_bcstr[HIO_SKAD_IP_STRLEN + 1];
 	hio_oow_t l_idx; /* listening socket: < htts->l.count, client socket: >= htts->l.count */
 	hio_htrd_t* htrd;
--- a/lib/http-svr.c
+++ b/lib/http-svr.c
@ -53,6 +53,8 @@ static int init_client (hio_svc_htts_cli_t* cli, hio_dev_sck_t* sck)
 	HIO_ASSERT (sck->hio, sck->hio == cli->htts->hio);
 	cli->sck = sck;
 	if (hio_dev_sck_getpeeraddr (sck, &cli->cli_addr) >= 0)
 		hio_skadtobcstr (sck->hio, &cli->cli_addr, cli->cli_addr_bcstr, HIO_COUNTOF(cli->cli_addr_bcstr), HIO_SKAD_TO_BCSTR_ADDR | HIO_SKAD_TO_BCSTR_PORT);
 	cli->l_idx = INVALID_LIDX; /* not a listening socket anymore */
 	cli->htrd = HIO_NULL;
 	cli->sbuf = HIO_NULL;
@ -77,7 +79,7 @@ static int init_client (hio_svc_htts_cli_t* cli, hio_dev_sck_t* sck)
 	hio_htrd_setrecbs (cli->htrd, &client_htrd_recbs);
 	hio_gettime (sck->hio, &cli->last_active);
-	HIO_DEBUG3 (sck->hio, "HTTS(%p) - initialized client %p socket %p\n", cli->htts, cli, sck);
+	HIO_DEBUG4 (sck->hio, "HTTS(%p) - initialized client(%p,%p,%d)\n", cli->htts, cli, sck, (int)sck->hnd);
 	return 0;
 oops:
@ -98,12 +100,16 @@ oops:
 static void fini_client (hio_svc_htts_cli_t* cli)
 {
-	HIO_DEBUG3 (cli->sck->hio, "HTTS(%p) - finalizing client %p socket %p\n", cli->htts, cli, cli->sck);
+	HIO_DEBUG4 (cli->sck->hio, "HTTS(%p) - finalizing client(%p,%p,%d)\n", cli->htts, cli, cli->sck, (int)cli->sck->hnd);
 	if (cli->rsrc)
 	{
 	#if 0
 		hio_svc_htts_rsrc_kill (cli->rsrc);
 		cli->rsrc = HIO_NULL;
 	#else
 		HIO_SVC_HTTS_RSRC_DETACH (cli->rsrc);
 	#endif
 	}
 	if (cli->sbuf) 
@ -209,18 +215,18 @@ static void listener_on_connect (hio_dev_sck_t* sck)
 	if (sck->state & HIO_DEV_SCK_ACCEPTED)
 	{
 		/* accepted a new client */
-		HIO_DEBUG3 (sck->hio, "HTTS(%p) - accepted... %p %d \n", cli->htts, sck, sck->hnd);
+		HIO_DEBUG3 (sck->hio, "HTTS(%p) - accepted client(%p,%d) \n", cli->htts, sck, (int)sck->hnd);
 		if (init_client(cli, sck) <= -1)
 		{
-			HIO_DEBUG2 (cli->htts->hio, "HTTS(%p) - halting client(%p) for client intiaialization failure\n", cli->htts, sck);
+			HIO_DEBUG3 (cli->htts->hio, "HTTS(%p) - halting client(%p,%d) for client intiaialization failure\n", cli->htts, sck, (int)sck->hnd);
 			hio_dev_sck_halt (sck);
 		}
 	}
 	else if (sck->state & HIO_DEV_SCK_CONNECTED)
 	{
 		/* this will never be triggered as the listing socket never call hio_dev_sck_connect() */
-		HIO_DEBUG3 (sck->hio, "** HTTS(%p) - connected... %p %d \n", cli->htts, sck, sck->hnd);
+		HIO_DEBUG3 (sck->hio, "HTTS(%p) - connected (%p,%d) \n", cli->htts, sck, (int)sck->hnd);
 	}
 	/* HIO_DEV_SCK_CONNECTED must not be seen here as this is only for the listener socket */
@ -314,7 +320,7 @@ static void halt_idle_clients (hio_t* hio, const hio_ntime_t* now, hio_tmrjob_t*
 			if (HIO_CMP_NTIME(&t, &max_client_idle) >= 0) 
 			{
-				HIO_DEBUG3 (hio, "HTTS(%p) - Halting idle client socket %p(client=%p)\n", htts, cli->sck, cli);
+				HIO_DEBUG4 (hio, "HTTS(%p) - Halting idle client(%p,%p,%d)\n", htts, cli, cli->sck, (int)cli->sck->hnd);
 				hio_dev_sck_halt (cli->sck);
 			}
 		}
--- a/m4/libtool.m4
+++ b/m4/libtool.m4
@ -728,6 +728,7 @@ _LT_CONFIG_SAVE_COMMANDS([
    cat <<_LT_EOF >> "$cfgfile"
 #! $SHELL
 # Generated automatically by $as_me ($PACKAGE) $VERSION
 # Libtool was configured on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
 # NOTE: Changes made to this file will be lost: look at ltmain.sh.
 # Provide generalized library-building support services.
@ -1041,8 +1042,8 @@ int forced_loaded() { return 2;}
 _LT_EOF
      echo "$LTCC $LTCFLAGS -c -o conftest.o conftest.c" >&AS_MESSAGE_LOG_FD
      $LTCC $LTCFLAGS -c -o conftest.o conftest.c 2>&AS_MESSAGE_LOG_FD
-      echo "$AR cr libconftest.a conftest.o" >&AS_MESSAGE_LOG_FD
+      echo "$AR cru libconftest.a conftest.o" >&AS_MESSAGE_LOG_FD
-      $AR cr libconftest.a conftest.o 2>&AS_MESSAGE_LOG_FD
+      $AR cru libconftest.a conftest.o 2>&AS_MESSAGE_LOG_FD
      echo "$RANLIB libconftest.a" >&AS_MESSAGE_LOG_FD
      $RANLIB libconftest.a 2>&AS_MESSAGE_LOG_FD
      cat > conftest.c << _LT_EOF
@ -1492,7 +1493,7 @@ need_locks=$enable_libtool_lock
 m4_defun([_LT_PROG_AR],
 [AC_CHECK_TOOLS(AR, [ar], false)
 : ${AR=ar}
-: ${AR_FLAGS=cr}
+: ${AR_FLAGS=cru}
 _LT_DECL([], [AR], [1], [The archiver])
 _LT_DECL([], [AR_FLAGS], [1], [Flags to create an archive])
@ -2866,6 +2867,9 @@ 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
@ -2874,7 +2878,7 @@ 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="/lib /usr/lib $lt_ld_extra"
+    sys_lib_dlsearch_path_spec="$sys_lib_dlsearch_path_spec $lt_ld_extra"
  fi
  # We used to test for /lib/ld.so.1 and disable shared libraries on
@ -2886,18 +2890,6 @@ linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
  dynamic_linker='GNU/Linux ld.so'
  ;;
 netbsdelf*-gnu)
  version_type=linux
  need_lib_prefix=no
  need_version=no
  library_names_spec='${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
@ -3557,7 +3549,7 @@ linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
  lt_cv_deplibs_check_method=pass_all
  ;;
-netbsd* | netbsdelf*-gnu)
+netbsd*)
  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
@ -4063,8 +4055,7 @@ _LT_EOF
  if AC_TRY_EVAL(ac_compile); then
    # Now try to grab the symbols.
    nlist=conftest.nm
-    $ECHO "$as_me:$LINENO: $NM conftest.$ac_objext | $lt_cv_sys_global_symbol_pipe > $nlist" >&AS_MESSAGE_LOG_FD
+    if AC_TRY_EVAL(NM conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist) && test -s "$nlist"; then
    if eval "$NM" conftest.$ac_objext \| "$lt_cv_sys_global_symbol_pipe" \> $nlist 2>&AS_MESSAGE_LOG_FD && test -s "$nlist"; then
      # Try sorting and uniquifying the output.
      if sort "$nlist" | uniq > "$nlist"T; then
 	mv -f "$nlist"T "$nlist"
@ -4436,7 +4427,7 @@ m4_if([$1], [CXX], [
 	    ;;
 	esac
 	;;
-      netbsd* | netbsdelf*-gnu)
+      netbsd*)
 	;;
      *qnx* | *nto*)
        # QNX uses GNU C++, but need to define -shared option too, otherwise
@ -4704,12 +4695,6 @@ m4_if([$1], [CXX], [
 	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
 	_LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
        ;;
      # flang / f18. f95 an alias for gfortran or flang on Debian
      flang* | f18* | f95*)
 	_LT_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
 	_LT_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
 	_LT_TAGVAR(lt_prog_compiler_static, $1)='-static'
        ;;
      # icc used to be incompatible with GCC.
      # ICC 10 doesn't accept -KPIC any more.
      icc* | ifort*)
@ -4954,9 +4939,6 @@ 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'
    ;;
@ -5019,9 +5001,6 @@ 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
@ -5276,7 +5255,7 @@ _LT_EOF
      fi
      ;;
-    netbsd* | netbsdelf*-gnu)
+    netbsd*)
      if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
 	_LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib'
 	wlarc=
@ -5797,7 +5776,6 @@ _LT_EOF
 	if test yes = "$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'
@ -5819,7 +5797,7 @@ _LT_EOF
      esac
      ;;
-    netbsd* | netbsdelf*-gnu)
+    netbsd*)
      if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
 	_LT_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'  # a.out
      else
@ -6445,7 +6423,7 @@ if test yes != "$_lt_caught_CXX_error"; then
      # Commands to make compiler produce verbose output that lists
      # what "hidden" libraries, object files and flags are used when
      # linking a shared library.
-      output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP " \-L"'
+      output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"'
    else
      GXX=no
@ -6820,7 +6798,7 @@ if test yes != "$_lt_caught_CXX_error"; then
            # explicitly linking system object files so we need to strip them
            # from the output so that they don't get included in the library
            # dependencies.
-            output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | $EGREP " \-L"`; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"'
+            output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | $EGREP "\-L"`; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"'
            ;;
          *)
            if test yes = "$GXX"; then
@ -6885,7 +6863,7 @@ if test yes != "$_lt_caught_CXX_error"; then
 	    # explicitly linking system object files so we need to strip them
 	    # from the output so that they don't get included in the library
 	    # dependencies.
-	    output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | $GREP " \-L"`; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"'
+	    output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | $GREP "\-L"`; list= ; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; func_echo_all "$list"'
 	    ;;
          *)
 	    if test yes = "$GXX"; then
@ -7224,7 +7202,7 @@ if test yes != "$_lt_caught_CXX_error"; then
 	      # Commands to make compiler produce verbose output that lists
 	      # what "hidden" libraries, object files and flags are used when
 	      # linking a shared library.
-	      output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP " \-L"'
+	      output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"'
 	    else
 	      # FIXME: insert proper C++ library support
@ -7308,7 +7286,7 @@ if test yes != "$_lt_caught_CXX_error"; then
 	        # Commands to make compiler produce verbose output that lists
 	        # what "hidden" libraries, object files and flags are used when
 	        # linking a shared library.
-	        output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP " \-L"'
+	        output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"'
 	      else
 	        # g++ 2.7 appears to require '-G' NOT '-shared' on this
 	        # platform.
@ -7319,7 +7297,7 @@ if test yes != "$_lt_caught_CXX_error"; then
 	        # Commands to make compiler produce verbose output that lists
 	        # what "hidden" libraries, object files and flags are used when
 	        # linking a shared library.
-	        output_verbose_link_cmd='$CC -G $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP " \-L"'
+	        output_verbose_link_cmd='$CC -G $CFLAGS -v conftest.$objext 2>&1 | $GREP -v "^Configured with:" | $GREP "\-L"'
 	      fi
 	      _LT_TAGVAR(hardcode_libdir_flag_spec, $1)='$wl-R $wl$libdir'
--- a/t/Makefile.in
+++ b/t/Makefile.in
@ -1,7 +1,7 @@
-# Makefile.in generated by automake 1.16.1 from Makefile.am.
+# Makefile.in generated by automake 1.16.2 from Makefile.am.
 # @configure_input@
-# Copyright (C) 1994-2018 Free Software Foundation, Inc.
+# Copyright (C) 1994-2020 Free Software Foundation, Inc.
 # This Makefile.in is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -409,6 +409,7 @@ am__DIST_COMMON = $(srcdir)/Makefile.in $(top_srcdir)/ac/depcomp \
 	$(top_srcdir)/ac/test-driver
 DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
 ACLOCAL = @ACLOCAL@
 ALL_STATIC_LIBS = @ALL_STATIC_LIBS@
 AMTAR = @AMTAR@
 AM_DEFAULT_VERBOSITY = @AM_DEFAULT_VERBOSITY@
 AR = @AR@