updated ax_pthread.m4

2020-02-27 07:57:19 +00:00 · 2020-02-27 07:57:19 +00:00 · 51b52ca844
commit 51b52ca844
parent 8af190ac46
18 changed files with 2480 additions and 2396 deletions
--- a/Makefile.in
+++ b/Makefile.in
@ -1,7 +1,7 @@
-# Makefile.in generated by automake 1.15 from Makefile.am.
+# Makefile.in generated by automake 1.16.1 from Makefile.am.
 # @configure_input@

-# Copyright (C) 1994-2014 Free Software Foundation, Inc.
+# Copyright (C) 1994-2018 Free Software Foundation, Inc.

 # This Makefile.in is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -141,7 +141,7 @@ am__recursive_targets = \
  $(RECURSIVE_CLEAN_TARGETS) \
  $(am__extra_recursive_targets)
 AM_RECURSIVE_TARGETS = $(am__recursive_targets:-recursive=) TAGS CTAGS \
-	cscope distdir dist dist-all distcheck
+	cscope distdir distdir-am dist dist-all distcheck
 am__tagged_files = $(HEADERS) $(SOURCES) $(TAGS_FILES) $(LISP)
 # Read a list of newline-separated strings from the standard input,
 # and print each of them once, without duplicates.  Input order is
@ -354,7 +354,6 @@ pdfdir = @pdfdir@
 prefix = @prefix@
 program_transform_name = @program_transform_name@
 psdir = @psdir@
-runstatedir = @runstatedir@
 sbindir = @sbindir@
 sharedstatedir = @sharedstatedir@
 srcdir = @srcdir@
@ -392,8 +391,8 @@ Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
 	    echo ' $(SHELL) ./config.status'; \
 	    $(SHELL) ./config.status;; \
 	  *) \
-	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $@ $(am__depfiles_maybe)'; \
-	    cd $(top_builddir) && $(SHELL) ./config.status $@ $(am__depfiles_maybe);; \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $@ $(am__maybe_remake_depfiles)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $@ $(am__maybe_remake_depfiles);; \
 	esac;

 $(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
@ -520,7 +519,10 @@ distclean-tags:
 	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
 	-rm -f cscope.out cscope.in.out cscope.po.out cscope.files

-distdir: $(DISTFILES)
+distdir: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) distdir-am
+
+distdir-am: $(DISTFILES)
 	$(am__remove_distdir)
 	test -d "$(distdir)" || mkdir "$(distdir)"
 	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
@ -585,7 +587,7 @@ distdir: $(DISTFILES)
 	  ! -type d ! -perm -444 -exec $(install_sh) -c -m a+r {} {} \; \
 	|| chmod -R a+r "$(distdir)"
 dist-gzip: distdir
-	tardir=$(distdir) && $(am__tar) | GZIP=$(GZIP_ENV) gzip -c >$(distdir).tar.gz
+	tardir=$(distdir) && $(am__tar) | eval GZIP= gzip $(GZIP_ENV) -c >$(distdir).tar.gz
 	$(am__post_remove_distdir)

 dist-bzip2: distdir
@ -611,7 +613,7 @@ 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 $(distdir) | GZIP=$(GZIP_ENV) gzip -c >$(distdir).shar.gz
+	shar $(distdir) | eval GZIP= gzip $(GZIP_ENV) -c >$(distdir).shar.gz
 	$(am__post_remove_distdir)

 dist-zip: distdir
@ -629,7 +631,7 @@ dist dist-all:
 distcheck: dist
 	case '$(DIST_ARCHIVES)' in \
 	*.tar.gz*) \
-	  GZIP=$(GZIP_ENV) gzip -dc $(distdir).tar.gz | $(am__untar) ;;\
+	  eval GZIP= gzip $(GZIP_ENV) -dc $(distdir).tar.gz | $(am__untar) ;;\
 	*.tar.bz2*) \
 	  bzip2 -dc $(distdir).tar.bz2 | $(am__untar) ;;\
 	*.tar.lz*) \
@ -639,7 +641,7 @@ distcheck: dist
 	*.tar.Z*) \
 	  uncompress -c $(distdir).tar.Z | $(am__untar) ;;\
 	*.shar.gz*) \
-	  GZIP=$(GZIP_ENV) gzip -dc $(distdir).shar.gz | unshar ;;\
+	  eval GZIP= gzip $(GZIP_ENV) -dc $(distdir).shar.gz | unshar ;;\
 	*.zip*) \
 	  unzip $(distdir).zip ;;\
 	esac
--- a/ac/ar-lib
+++ b/ac/ar-lib
@ -4,7 +4,7 @@
 me=ar-lib
 scriptversion=2012-03-01.08; # UTC

-# Copyright (C) 2010-2014 Free Software Foundation, Inc.
+# Copyright (C) 2010-2018 Free Software Foundation, Inc.
 # Written by Peter Rosin <peda@lysator.liu.se>.
 #
 # This program is free software; you can redistribute it and/or modify
@ -18,7 +18,7 @@ scriptversion=2012-03-01.08; # UTC
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.

 # As a special exception to the GNU General Public License, if you
 # distribute this file as part of a program that contains a
--- a/ac/compile
+++ b/ac/compile
@ -1,9 +1,9 @@
 #! /bin/sh
 # Wrapper for compilers which do not understand '-c -o'.

-scriptversion=2012-10-14.11; # UTC
+scriptversion=2018-03-07.03; # UTC

-# Copyright (C) 1999-2014 Free Software Foundation, Inc.
+# Copyright (C) 1999-2018 Free Software Foundation, Inc.
 # Written by Tom Tromey <tromey@cygnus.com>.
 #
 # This program is free software; you can redistribute it and/or modify
@ -17,7 +17,7 @@ scriptversion=2012-10-14.11; # UTC
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.

 # As a special exception to the GNU General Public License, if you
 # distribute this file as part of a program that contains a
@ -255,7 +255,8 @@ EOF
    echo "compile $scriptversion"
    exit $?
    ;;
-  cl | *[/\\]cl | cl.exe | *[/\\]cl.exe )
+  cl | *[/\\]cl | cl.exe | *[/\\]cl.exe | \
+  icl | *[/\\]icl | icl.exe | *[/\\]icl.exe )
    func_cl_wrapper "$@"      # Doesn't return...
    ;;
 esac
@ -339,9 +340,9 @@ exit $ret
 # Local Variables:
 # mode: shell-script
 # sh-indentation: 2
-# eval: (add-hook 'write-file-hooks 'time-stamp)
+# eval: (add-hook 'before-save-hook 'time-stamp)
 # time-stamp-start: "scriptversion="
 # time-stamp-format: "%:y-%02m-%02d.%02H"
-# time-stamp-time-zone: "UTC"
+# time-stamp-time-zone: "UTC0"
 # time-stamp-end: "; # UTC"
 # End:
--- a/ac/config.guess
+++ b/ac/config.guess
--- a/ac/config.sub
+++ b/ac/config.sub
--- a/ac/depcomp
+++ b/ac/depcomp
@ -1,9 +1,9 @@
 #! /bin/sh
 # depcomp - compile a program generating dependencies as side-effects

-scriptversion=2013-05-30.07; # UTC
+scriptversion=2018-03-07.03; # UTC

-# Copyright (C) 1999-2014 Free Software Foundation, Inc.
+# Copyright (C) 1999-2018 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
@ -16,7 +16,7 @@ scriptversion=2013-05-30.07; # UTC
 # GNU General Public License for more details.

 # You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.

 # As a special exception to the GNU General Public License, if you
 # distribute this file as part of a program that contains a
@ -783,9 +783,9 @@ exit 0
 # Local Variables:
 # mode: shell-script
 # sh-indentation: 2
-# eval: (add-hook 'write-file-hooks 'time-stamp)
+# eval: (add-hook 'before-save-hook 'time-stamp)
 # time-stamp-start: "scriptversion="
 # time-stamp-format: "%:y-%02m-%02d.%02H"
-# time-stamp-time-zone: "UTC"
+# time-stamp-time-zone: "UTC0"
 # time-stamp-end: "; # UTC"
 # End:
--- a/ac/install-sh
+++ b/ac/install-sh
@ -1,7 +1,7 @@
 #!/bin/sh
 # install - install a program, script, or datafile

-scriptversion=2014-09-12.12; # UTC
+scriptversion=2018-03-11.20; # UTC

 # This originates from X11R5 (mit/util/scripts/install.sh), which was
 # later released in X11R6 (xc/config/util/install.sh) with the
@ -271,15 +271,18 @@ do
    fi
    dst=$dst_arg

-    # If destination is a directory, append the input filename; won't work
-    # if double slashes aren't ignored.
+    # If destination is a directory, append the input filename.
    if test -d "$dst"; then
      if test "$is_target_a_directory" = never; then
        echo "$0: $dst_arg: Is a directory" >&2
        exit 1
      fi
      dstdir=$dst
-      dst=$dstdir/`basename "$src"`
+      dstbase=`basename "$src"`
+      case $dst in
+	*/) dst=$dst$dstbase;;
+	*)  dst=$dst/$dstbase;;
+      esac
      dstdir_status=0
    else
      dstdir=`dirname "$dst"`
@ -288,6 +291,11 @@ do
    fi
  fi

+  case $dstdir in
+    */) dstdirslash=$dstdir;;
+    *)  dstdirslash=$dstdir/;;
+  esac
+
  obsolete_mkdir_used=false

  if test $dstdir_status != 0; then
@ -324,14 +332,16 @@ 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
+            # Note that $RANDOM variable is not portable (e.g. dash);  Use it
+            # here however when possible just to lower collision chance.
            tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$
+
            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 $tmpdir name.
+            # Because "mkdir -p" follows existing symlinks and we likely work
+            # directly in world-writeable /tmp, make sure that the '$tmpdir'
+            # directory is successfully created first before we actually test
+            # 'mkdir -p' feature.
            if (umask $mkdir_umask &&
                $mkdirprog $mkdir_mode "$tmpdir" &&
                exec $mkdirprog $mkdir_mode -p -- "$tmpdir/a/b") >/dev/null 2>&1
@ -434,8 +444,8 @@ do
  else

    # Make a couple of temp file names in the proper directory.
-    dsttmp=$dstdir/_inst.$$_
-    rmtmp=$dstdir/_rm.$$_
+    dsttmp=${dstdirslash}_inst.$$_
+    rmtmp=${dstdirslash}_rm.$$_

    # Trap to clean up those temp files at exit.
    trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
@ -500,9 +510,9 @@ do
 done

 # Local variables:
-# eval: (add-hook 'write-file-hooks 'time-stamp)
+# eval: (add-hook 'before-save-hook 'time-stamp)
 # time-stamp-start: "scriptversion="
 # time-stamp-format: "%:y-%02m-%02d.%02H"
-# time-stamp-time-zone: "UTC"
+# time-stamp-time-zone: "UTC0"
 # time-stamp-end: "; # UTC"
 # End:
--- a/ac/ltmain.sh
+++ b/ac/ltmain.sh
@ -31,7 +31,7 @@

 PROGRAM=libtool
 PACKAGE=libtool
-VERSION="2.4.6 Debian-2.4.6-2"
+VERSION=2.4.6
 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 $scriptversion Debian-2.4.6-2
+       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
 }
@ -2124,7 +2124,7 @@ fi
 # a configuration failure hint, and exit.
 func_fatal_configuration ()
 {
-    func__fatal_error ${1+"$@"} \
+    func_fatal_error ${1+"$@"} \
      "See the $PACKAGE documentation for more information." \
      "Fatal configuration error."
 }
@ -7274,11 +7274,10 @@ func_mode_link ()
      # -O*, -g*, -flto*, -fwhopr*, -fuse-linker-plugin GCC link-time optimization
      # -specs=*             GCC specs files
      # -stdlib=*            select c++ std lib with clang
-      # -fsanitize=*         Clang/GCC memory and address sanitizer
      -64|-mips[0-9]|-r[0-9][0-9]*|-xarch=*|-xtarget=*|+DA*|+DD*|-q*|-m*| \
      -t[45]*|-txscale*|-p|-pg|--coverage|-fprofile-*|-F*|@*|-tp=*|--sysroot=*| \
      -O*|-g*|-flto*|-fwhopr*|-fuse-linker-plugin|-fstack-protector*|-stdlib=*| \
-      -specs=*|-fsanitize=*)
+      -specs=*)
        func_quote_for_eval "$arg"
 	arg=$func_quote_for_eval_result
        func_append compile_command " $arg"
@ -7571,10 +7570,7 @@ func_mode_link ()
 	case $pass in
 	dlopen) libs=$dlfiles ;;
 	dlpreopen) libs=$dlprefiles ;;
-	link)
-	  libs="$deplibs %DEPLIBS%"
-	  test "X$link_all_deplibs" != Xno && libs="$libs $dependency_libs"
-	  ;;
+	link) libs="$deplibs %DEPLIBS% $dependency_libs" ;;
 	esac
      fi
      if test lib,dlpreopen = "$linkmode,$pass"; then
@ -7893,6 +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"
@ -7903,9 +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

@ -8829,9 +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
@ -1,9 +1,9 @@
 #! /bin/sh
 # Common wrapper for a few potentially missing GNU programs.

-scriptversion=2013-10-28.13; # UTC
+scriptversion=2018-03-07.03; # UTC

-# Copyright (C) 1996-2014 Free Software Foundation, Inc.
+# Copyright (C) 1996-2018 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
@ -17,7 +17,7 @@ scriptversion=2013-10-28.13; # UTC
 # GNU General Public License for more details.

 # You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.

 # As a special exception to the GNU General Public License, if you
 # distribute this file as part of a program that contains a
@ -101,9 +101,9 @@ else
  exit $st
 fi

-perl_URL=http://www.perl.org/
-flex_URL=http://flex.sourceforge.net/
-gnu_software_URL=http://www.gnu.org/software
+perl_URL=https://www.perl.org/
+flex_URL=https://github.com/westes/flex
+gnu_software_URL=https://www.gnu.org/software

 program_details ()
 {
@ -207,9 +207,9 @@ give_advice "$1" | sed -e '1s/^/WARNING: /' \
 exit $st

 # Local variables:
-# eval: (add-hook 'write-file-hooks 'time-stamp)
+# eval: (add-hook 'before-save-hook 'time-stamp)
 # time-stamp-start: "scriptversion="
 # time-stamp-format: "%:y-%02m-%02d.%02H"
-# time-stamp-time-zone: "UTC"
+# time-stamp-time-zone: "UTC0"
 # time-stamp-end: "; # UTC"
 # End:
--- a/aclocal.m4
+++ b/aclocal.m4
@ -1,6 +1,6 @@
-# generated automatically by aclocal 1.15 -*- Autoconf -*-
+# generated automatically by aclocal 1.16.1 -*- Autoconf -*-

-# Copyright (C) 1996-2014 Free Software Foundation, Inc.
+# Copyright (C) 1996-2018 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) 2002-2014 Free Software Foundation, Inc.
+# Copyright (C) 2002-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -32,10 +32,10 @@ To do so, use the procedure documented by the package, typically 'autoreconf'.])
 # generated from the m4 files accompanying Automake X.Y.
 # (This private macro should not be called outside this file.)
 AC_DEFUN([AM_AUTOMAKE_VERSION],
-[am__api_version='1.15'
+[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], [1.15], [],
+m4_if([$1], [1.16.1], [],
      [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([1.15])dnl
+[AM_AUTOMAKE_VERSION([1.16.1])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) 2011-2014 Free Software Foundation, Inc.
+# Copyright (C) 2011-2018 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) 2001-2014 Free Software Foundation, Inc.
+# Copyright (C) 2001-2018 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) 1997-2014 Free Software Foundation, Inc.
+# Copyright (C) 1997-2018 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) 1999-2014 Free Software Foundation, Inc.
+# Copyright (C) 1999-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -392,13 +392,12 @@ _AM_SUBST_NOTMAKE([am__nodep])dnl

 # Generate code to set up dependency tracking.              -*- Autoconf -*-

-# Copyright (C) 1999-2014 Free Software Foundation, Inc.
+# Copyright (C) 1999-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.

-
 # _AM_OUTPUT_DEPENDENCY_COMMANDS
 # ------------------------------
 AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
@ -406,49 +405,41 @@ AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
  # Older Autoconf quotes --file arguments for eval, but not when files
  # are listed without --file.  Let's play safe and only enable the eval
  # if we detect the quoting.
-  case $CONFIG_FILES in
-  *\'*) eval set x "$CONFIG_FILES" ;;
-  *)   set x $CONFIG_FILES ;;
-  esac
+  # TODO: see whether this extra hack can be removed once we start
+  # requiring Autoconf 2.70 or later.
+  AS_CASE([$CONFIG_FILES],
+          [*\'*], [eval set x "$CONFIG_FILES"],
+          [*], [set x $CONFIG_FILES])
  shift
-  for mf
+  # Used to flag and report bootstrapping failures.
+  am_rc=0
+  for am_mf
  do
    # Strip MF so we end up with the name of the file.
-    mf=`echo "$mf" | sed -e 's/:.*$//'`
-    # Check whether this is an Automake generated Makefile or not.
-    # We used to match only the files named 'Makefile.in', but
-    # some people rename them; so instead we look at the file content.
-    # Grep'ing the first line is not enough: some people post-process
-    # each Makefile.in and add a new line on top of each file to say so.
-    # Grep'ing the whole file is not good either: AIX grep has a line
+    am_mf=`AS_ECHO(["$am_mf"]) | sed -e 's/:.*$//'`
+    # Check whether this is an Automake generated Makefile which includes
+    # dependency-tracking related rules and includes.
+    # Grep'ing the whole file directly is not great: AIX grep has a line
    # limit of 2048, but all sed's we know have understand at least 4000.
-    if sed -n 's,^#.*generated by automake.*,X,p' "$mf" | grep X >/dev/null 2>&1; then
-      dirpart=`AS_DIRNAME("$mf")`
-    else
-      continue
+    sed -n 's,^am--depfiles:.*,X,p' "$am_mf" | grep X >/dev/null 2>&1 \
+      || continue
+    am_dirpart=`AS_DIRNAME(["$am_mf"])`
+    am_filepart=`AS_BASENAME(["$am_mf"])`
+    AM_RUN_LOG([cd "$am_dirpart" \
+      && sed -e '/# am--include-marker/d' "$am_filepart" \
+        | $MAKE -f - am--depfiles]) || am_rc=$?
+  done
+  if test $am_rc -ne 0; then
+    AC_MSG_FAILURE([Something went wrong bootstrapping makefile fragments
+    for automatic dependency tracking.  Try re-running configure with the
+    '--disable-dependency-tracking' option to at least be able to build
+    the package (albeit without support for automatic dependency tracking).])
  fi
-    # Extract the definition of DEPDIR, am__include, and am__quote
-    # from the Makefile without running 'make'.
-    DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"`
-    test -z "$DEPDIR" && continue
-    am__include=`sed -n 's/^am__include = //p' < "$mf"`
-    test -z "$am__include" && continue
-    am__quote=`sed -n 's/^am__quote = //p' < "$mf"`
-    # Find all dependency output files, they are included files with
-    # $(DEPDIR) in their names.  We invoke sed twice because it is the
-    # simplest approach to changing $(DEPDIR) to its actual value in the
-    # expansion.
-    for file in `sed -n "
-      s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \
-	 sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g'`; do
-      # Make sure the directory exists.
-      test -f "$dirpart/$file" && continue
-      fdir=`AS_DIRNAME(["$file"])`
-      AS_MKDIR_P([$dirpart/$fdir])
-      # echo "creating $dirpart/$file"
-      echo '# dummy' > "$dirpart/$file"
-    done
-  done
+  AS_UNSET([am_dirpart])
+  AS_UNSET([am_filepart])
+  AS_UNSET([am_mf])
+  AS_UNSET([am_rc])
+  rm -f conftest-deps.mk
 }
 ])# _AM_OUTPUT_DEPENDENCY_COMMANDS

@ -457,18 +448,17 @@ AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
 # -----------------------------
 # This macro should only be invoked once -- use via AC_REQUIRE.
 #
-# This code is only required when automatic dependency tracking
-# is enabled.  FIXME.  This creates each '.P' file that we will
-# need in order to bootstrap the dependency handling code.
+# This code is only required when automatic dependency tracking is enabled.
+# This creates each '.Po' and '.Plo' makefile fragment that we'll need in
+# order to bootstrap the dependency handling code.
 AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS],
 [AC_CONFIG_COMMANDS([depfiles],
     [test x"$AMDEP_TRUE" != x"" || _AM_OUTPUT_DEPENDENCY_COMMANDS],
-     [AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir"])
-])
+     [AMDEP_TRUE="$AMDEP_TRUE" MAKE="${MAKE-make}"])])

 # Do all the work for Automake.                             -*- Autoconf -*-

-# Copyright (C) 1996-2014 Free Software Foundation, Inc.
+# Copyright (C) 1996-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -555,8 +545,8 @@ AC_REQUIRE([AM_PROG_INSTALL_STRIP])dnl
 AC_REQUIRE([AC_PROG_MKDIR_P])dnl
 # For better backward compatibility.  To be removed once Automake 1.9.x
 # dies out for good.  For more background, see:
-# <http://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
-# <http://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
+# <https://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
+# <https://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
 AC_SUBST([mkdir_p], ['$(MKDIR_P)'])
 # We need awk for the "check" target (and possibly the TAP driver).  The
 # system "awk" is bad on some platforms.
@ -623,7 +613,7 @@ END
 Aborting the configuration process, to ensure you take notice of the issue.

 You can download and install GNU coreutils to get an 'rm' implementation
-that behaves properly: <http://www.gnu.org/software/coreutils/>.
+that behaves properly: <https://www.gnu.org/software/coreutils/>.

 If you want to complete the configuration process using your problematic
 'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM
@ -665,7 +655,7 @@ for _am_header in $config_headers :; do
 done
 echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])

-# Copyright (C) 2001-2014 Free Software Foundation, Inc.
+# Copyright (C) 2001-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -686,7 +676,7 @@ if test x"${install_sh+set}" != xset; then
 fi
 AC_SUBST([install_sh])])

-# Copyright (C) 2003-2014 Free Software Foundation, Inc.
+# Copyright (C) 2003-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -707,7 +697,7 @@ AC_SUBST([am__leading_dot])])

 # Check to see how 'make' treats includes.	            -*- Autoconf -*-

-# Copyright (C) 2001-2014 Free Software Foundation, Inc.
+# Copyright (C) 2001-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -715,49 +705,42 @@ AC_SUBST([am__leading_dot])])

 # AM_MAKE_INCLUDE()
 # -----------------
-# Check to see how make treats includes.
+# Check whether make has an 'include' directive that can support all
+# the idioms we need for our automatic dependency tracking code.
 AC_DEFUN([AM_MAKE_INCLUDE],
-[am_make=${MAKE-make}
-cat > confinc << 'END'
+[AC_MSG_CHECKING([whether ${MAKE-make} supports the include directive])
+cat > confinc.mk << 'END'
 am__doit:
-	@echo this is the am__doit target
+	@echo this is the am__doit target >confinc.out
 .PHONY: am__doit
 END
-# If we don't find an include directive, just comment out the code.
-AC_MSG_CHECKING([for style of include used by $am_make])
 am__include="#"
 am__quote=
-_am_result=none
-# First try GNU make style include.
-echo "include confinc" > confmf
-# Ignore all kinds of additional output from 'make'.
-case `$am_make -s -f confmf 2> /dev/null` in #(
-*the\ am__doit\ target*)
-  am__include=include
-  am__quote=
-  _am_result=GNU
-  ;;
-esac
-# Now try BSD make style include.
-if test "$am__include" = "#"; then
-   echo '.include "confinc"' > confmf
-   case `$am_make -s -f confmf 2> /dev/null` in #(
-   *the\ am__doit\ target*)
-     am__include=.include
-     am__quote="\""
-     _am_result=BSD
-     ;;
-   esac
+# BSD make does it like this.
+echo '.include "confinc.mk" # ignored' > confmf.BSD
+# Other make implementations (GNU, Solaris 10, AIX) do it like this.
+echo 'include confinc.mk # ignored' > confmf.GNU
+_am_result=no
+for s in GNU BSD; do
+  AM_RUN_LOG([${MAKE-make} -f confmf.$s && cat confinc.out])
+  AS_CASE([$?:`cat confinc.out 2>/dev/null`],
+      ['0:this is the am__doit target'],
+      [AS_CASE([$s],
+          [BSD], [am__include='.include' am__quote='"'],
+          [am__include='include' am__quote=''])])
+  if test "$am__include" != "#"; then
+    _am_result="yes ($s style)"
+    break
  fi
-AC_SUBST([am__include])
-AC_SUBST([am__quote])
-AC_MSG_RESULT([$_am_result])
-rm -f confinc confmf
-])
+done
+rm -f confinc.* confmf.*
+AC_MSG_RESULT([${_am_result}])
+AC_SUBST([am__include])])
+AC_SUBST([am__quote])])

 # Fake the existence of programs that GNU maintainers use.  -*- Autoconf -*-

-# Copyright (C) 1997-2014 Free Software Foundation, Inc.
+# Copyright (C) 1997-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -796,7 +779,7 @@ fi

 # Helper functions for option handling.                     -*- Autoconf -*-

-# Copyright (C) 2001-2014 Free Software Foundation, Inc.
+# Copyright (C) 2001-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -825,7 +808,7 @@ AC_DEFUN([_AM_SET_OPTIONS],
 AC_DEFUN([_AM_IF_OPTION],
 [m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])

-# Copyright (C) 1999-2014 Free Software Foundation, Inc.
+# Copyright (C) 1999-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -872,7 +855,7 @@ AC_LANG_POP([C])])
 # For backward compatibility.
 AC_DEFUN_ONCE([AM_PROG_CC_C_O], [AC_REQUIRE([AC_PROG_CC])])

-# Copyright (C) 2001-2014 Free Software Foundation, Inc.
+# Copyright (C) 2001-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -891,7 +874,7 @@ AC_DEFUN([AM_RUN_LOG],

 # Check to make sure that the build environment is sane.    -*- Autoconf -*-

-# Copyright (C) 1996-2014 Free Software Foundation, Inc.
+# Copyright (C) 1996-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -972,7 +955,7 @@ AC_CONFIG_COMMANDS_PRE(
 rm -f conftest.file
 ])

-# Copyright (C) 2009-2014 Free Software Foundation, Inc.
+# Copyright (C) 2009-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -1032,7 +1015,7 @@ AC_SUBST([AM_BACKSLASH])dnl
 _AM_SUBST_NOTMAKE([AM_BACKSLASH])dnl
 ])

-# Copyright (C) 2001-2014 Free Software Foundation, Inc.
+# Copyright (C) 2001-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -1060,7 +1043,7 @@ fi
 INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
 AC_SUBST([INSTALL_STRIP_PROGRAM])])

-# Copyright (C) 2006-2014 Free Software Foundation, Inc.
+# Copyright (C) 2006-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -1079,7 +1062,7 @@ AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])

 # Check how to create a tarball.                            -*- Autoconf -*-

-# Copyright (C) 2004-2014 Free Software Foundation, Inc.
+# Copyright (C) 2004-2018 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
@ -27,7 +27,7 @@ bin_PROGRAMS = hcl
 hcl_SOURCES = main.c ../lib/cb-impl.h ../lib/cb-impl.c
 hcl_CPPFLAGS = $(CPPFLAGS_ALL_COMMON) $(CPPFLAGS_PFMOD)
 hcl_LDFLAGS = $(LDFLAGS_ALL_COMMON)
-hcl_LDADD = $(LIBADD_LIB_COMMON) -lhcl
+hcl_LDADD = -lhcl $(LIBADD_LIB_COMMON)
 hcl_DEPENDENCIES = ../lib/libhcl.la

 if ENABLE_HCLX
@ -39,20 +39,20 @@ bin_PROGRAMS += hcls
 hcls_SOURCES = main-s.c
 hcls_CPPFLAGS = $(CPPFLAGS_ALL_COMMON)
 hcls_LDFLAGS = $(LDFLAGS_ALL_COMMON)
-hcls_LDADD = $(LIBADD_LIB_COMMON) $(PTHREAD_LIBS) -lhclx
+hcls_LDADD = -lhclx $(LIBADD_LIB_COMMON) $(PTHREAD_LIBS)
 hcls_DEPENDENCIES = ../lib/libhclx.la

 bin_PROGRAMS += hclc
 hclc_SOURCES = main-c.c
 hclc_CPPFLAGS = $(CPPFLAGS_ALL_COMMON)
 hclc_LDFLAGS = $(LDFLAGS_ALL_COMMON)
-hclc_LDADD = $(LIBADD_LIB_COMMON) $(PTHREAD_LIBS) -lhclx
+hclc_LDADD = -lhclx $(LIBADD_LIB_COMMON) $(PTHREAD_LIBS)
 hclc_DEPENDENCIES = ../lib/libhclx.la

 bin_PROGRAMS += hclj
 hclj_SOURCES = main-j.c
 hclj_CPPFLAGS = $(CPPFLAGS_ALL_COMMON)
 hclj_LDFLAGS = $(LDFLAGS_ALL_COMMON)
-hclj_LDADD = $(LIBADD_LIB_COMMON) $(PTHREAD_LIBS) -lhclx
+hclj_LDADD = -lhclx $(LIBADD_LIB_COMMON) $(PTHREAD_LIBS)
 hclj_DEPENDENCIES = ../lib/libhclx.la
 endif
--- a/bin/Makefile.in
+++ b/bin/Makefile.in
@ -1,7 +1,7 @@
-# Makefile.in generated by automake 1.15 from Makefile.am.
+# Makefile.in generated by automake 1.16.1 from Makefile.am.
 # @configure_input@

-# Copyright (C) 1994-2014 Free Software Foundation, Inc.
+# Copyright (C) 1994-2018 Free Software Foundation, Inc.

 # This Makefile.in is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -158,7 +158,10 @@ am__v_at_0 = @
 am__v_at_1 = 
 DEFAULT_INCLUDES = 
 depcomp = $(SHELL) $(top_srcdir)/ac/depcomp
-am__depfiles_maybe = depfiles
+am__maybe_remake_depfiles = depfiles
+am__depfiles_remade = ../lib/$(DEPDIR)/hcl-cb-impl.Po \
+	./$(DEPDIR)/hcl-main.Po ./$(DEPDIR)/hclc-main-c.Po \
+	./$(DEPDIR)/hclj-main-j.Po ./$(DEPDIR)/hcls-main-s.Po
 am__mv = mv -f
 COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
 	$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
@ -352,7 +355,6 @@ pdfdir = @pdfdir@
 prefix = @prefix@
 program_transform_name = @program_transform_name@
 psdir = @psdir@
-runstatedir = @runstatedir@
 sbindir = @sbindir@
 sharedstatedir = @sharedstatedir@
 srcdir = @srcdir@
@ -380,22 +382,22 @@ LIBADD_LIB_COMMON = $(LIBM) $(am__append_1) $(am__append_2)
 hcl_SOURCES = main.c ../lib/cb-impl.h ../lib/cb-impl.c
 hcl_CPPFLAGS = $(CPPFLAGS_ALL_COMMON) $(CPPFLAGS_PFMOD)
 hcl_LDFLAGS = $(LDFLAGS_ALL_COMMON)
-hcl_LDADD = $(LIBADD_LIB_COMMON) -lhcl
+hcl_LDADD = -lhcl $(LIBADD_LIB_COMMON)
 hcl_DEPENDENCIES = ../lib/libhcl.la
@ENABLE_HCLX_TRUE@hcls_SOURCES = main-s.c
@ENABLE_HCLX_TRUE@hcls_CPPFLAGS = $(CPPFLAGS_ALL_COMMON)
@ENABLE_HCLX_TRUE@hcls_LDFLAGS = $(LDFLAGS_ALL_COMMON)
-@ENABLE_HCLX_TRUE@hcls_LDADD = $(LIBADD_LIB_COMMON) $(PTHREAD_LIBS) -lhclx
+@ENABLE_HCLX_TRUE@hcls_LDADD = -lhclx $(LIBADD_LIB_COMMON) $(PTHREAD_LIBS)
@ENABLE_HCLX_TRUE@hcls_DEPENDENCIES = ../lib/libhclx.la
@ENABLE_HCLX_TRUE@hclc_SOURCES = main-c.c
@ENABLE_HCLX_TRUE@hclc_CPPFLAGS = $(CPPFLAGS_ALL_COMMON)
@ENABLE_HCLX_TRUE@hclc_LDFLAGS = $(LDFLAGS_ALL_COMMON)
-@ENABLE_HCLX_TRUE@hclc_LDADD = $(LIBADD_LIB_COMMON) $(PTHREAD_LIBS) -lhclx
+@ENABLE_HCLX_TRUE@hclc_LDADD = -lhclx $(LIBADD_LIB_COMMON) $(PTHREAD_LIBS)
@ENABLE_HCLX_TRUE@hclc_DEPENDENCIES = ../lib/libhclx.la
@ENABLE_HCLX_TRUE@hclj_SOURCES = main-j.c
@ENABLE_HCLX_TRUE@hclj_CPPFLAGS = $(CPPFLAGS_ALL_COMMON)
@ENABLE_HCLX_TRUE@hclj_LDFLAGS = $(LDFLAGS_ALL_COMMON)
-@ENABLE_HCLX_TRUE@hclj_LDADD = $(LIBADD_LIB_COMMON) $(PTHREAD_LIBS) -lhclx
+@ENABLE_HCLX_TRUE@hclj_LDADD = -lhclx $(LIBADD_LIB_COMMON) $(PTHREAD_LIBS)
@ENABLE_HCLX_TRUE@hclj_DEPENDENCIES = ../lib/libhclx.la
 all: all-am

@ -418,8 +420,8 @@ Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
 	  *config.status*) \
 	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
 	  *) \
-	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
-	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles);; \
 	esac;

 $(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
@ -511,11 +513,17 @@ mostlyclean-compile:
 distclean-compile:
 	-rm -f *.tab.c

-@AMDEP_TRUE@@am__include@ @am__quote@../lib/$(DEPDIR)/hcl-cb-impl.Po@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/hcl-main.Po@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/hclc-main-c.Po@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/hclj-main-j.Po@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/hcls-main-s.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@../lib/$(DEPDIR)/hcl-cb-impl.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/hcl-main.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/hclc-main-c.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/hclj-main-j.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/hcls-main-s.Po@am__quote@ # am--include-marker
+
+$(am__depfiles_remade):
+	@$(MKDIR_P) $(@D)
+	@echo '# dummy' >$@-t && $(am__mv) $@-t $@
+
+am--depfiles: $(am__depfiles_remade)

 .c.o:
@am__fastdepCC_TRUE@	$(AM_V_CC)depbase=`echo $@ | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.o$$||'`;\
@ -669,7 +677,10 @@ cscopelist-am: $(am__tagged_files)
 distclean-tags:
 	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags

-distdir: $(DISTFILES)
+distdir: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) distdir-am
+
+distdir-am: $(DISTFILES)
 	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
 	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
 	list='$(DISTFILES)'; \
@ -743,7 +754,11 @@ clean: clean-am
 clean-am: clean-binPROGRAMS clean-generic clean-libtool mostlyclean-am

 distclean: distclean-am
-	-rm -rf ../lib/$(DEPDIR) ./$(DEPDIR)
+		-rm -f ../lib/$(DEPDIR)/hcl-cb-impl.Po
+	-rm -f ./$(DEPDIR)/hcl-main.Po
+	-rm -f ./$(DEPDIR)/hclc-main-c.Po
+	-rm -f ./$(DEPDIR)/hclj-main-j.Po
+	-rm -f ./$(DEPDIR)/hcls-main-s.Po
 	-rm -f Makefile
 distclean-am: clean-am distclean-compile distclean-generic \
 	distclean-tags
@ -789,7 +804,11 @@ install-ps-am:
 installcheck-am:

 maintainer-clean: maintainer-clean-am
-	-rm -rf ../lib/$(DEPDIR) ./$(DEPDIR)
+		-rm -f ../lib/$(DEPDIR)/hcl-cb-impl.Po
+	-rm -f ./$(DEPDIR)/hcl-main.Po
+	-rm -f ./$(DEPDIR)/hclc-main-c.Po
+	-rm -f ./$(DEPDIR)/hclj-main-j.Po
+	-rm -f ./$(DEPDIR)/hcls-main-s.Po
 	-rm -f Makefile
 maintainer-clean-am: distclean-am maintainer-clean-generic

@ -810,7 +829,7 @@ uninstall-am: uninstall-binPROGRAMS

 .MAKE: install-am install-strip

-.PHONY: CTAGS GTAGS TAGS all all-am check check-am clean \
+.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \
 	clean-binPROGRAMS clean-generic clean-libtool cscopelist-am \
 	ctags ctags-am distclean distclean-compile distclean-generic \
 	distclean-libtool distclean-tags distdir dvi dvi-am html \
--- a/553
+++ b/553
@ -726,7 +726,6 @@ am__nodep
 AMDEPBACKSLASH
 AMDEP_FALSE
 AMDEP_TRUE
-am__quote
 am__include
 DEPDIR
 OBJEXT
@ -784,7 +783,6 @@ infodir
 docdir
 oldincludedir
 includedir
-runstatedir
 localstatedir
 sharedstatedir
 sysconfdir
@ -803,7 +801,8 @@ PACKAGE_VERSION
 PACKAGE_TARNAME
 PACKAGE_NAME
 PATH_SEPARATOR
-SHELL'
+SHELL
+am__quote'
 ac_subst_files=''
 ac_user_opts='
 enable_option_checking
@ -879,7 +878,6 @@ 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}'
@ -1132,15 +1130,6 @@ 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=$ac_optarg ;;
-
  -sbindir | --sbindir | --sbindi | --sbind | --sbin | --sbi | --sb)
    ac_prev=sbindir ;;
  -sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \
@ -1278,7 +1267,7 @@ fi
 for ac_var in	exec_prefix prefix bindir sbindir libexecdir datarootdir \
 		datadir sysconfdir sharedstatedir localstatedir includedir \
 		oldincludedir docdir infodir htmldir dvidir pdfdir psdir \
-		libdir localedir mandir runstatedir
+		libdir localedir mandir
 do
  eval ac_val=\$$ac_var
  # Remove trailing slashes.
@ -1431,7 +1420,6 @@ 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]
@ -2652,7 +2640,7 @@ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $
 ac_compiler_gnu=$ac_cv_c_compiler_gnu


-am__api_version='1.15'
+am__api_version='1.16'

 # Find a good install program.  We prefer a C program (faster),
 # so one script is as good as another.  But avoid the broken or
@ -3168,8 +3156,8 @@ MAKEINFO=${MAKEINFO-"${am_missing_run}makeinfo"}

 # For better backward compatibility.  To be removed once Automake 1.9.x
 # dies out for good.  For more background, see:
-# <http://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
-# <http://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
+# <https://lists.gnu.org/archive/html/automake/2012-07/msg00001.html>
+# <https://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
 mkdir_p='$(MKDIR_P)'

 # We need awk for the "check" target (and possibly the TAP driver).  The
@ -3220,7 +3208,7 @@ END
 Aborting the configuration process, to ensure you take notice of the issue.

 You can download and install GNU coreutils to get an 'rm' implementation
-that behaves properly: <http://www.gnu.org/software/coreutils/>.
+that behaves properly: <https://www.gnu.org/software/coreutils/>.

 If you want to complete the configuration process using your problematic
 'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM
@ -3235,45 +3223,45 @@ DEPDIR="${am__leading_dot}deps"

 ac_config_commands="$ac_config_commands depfiles"

-
-am_make=${MAKE-make}
-cat > confinc << 'END'
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${MAKE-make} supports the include directive" >&5
+$as_echo_n "checking whether ${MAKE-make} supports the include directive... " >&6; }
+cat > confinc.mk << 'END'
 am__doit:
-	@echo this is the am__doit target
+	@echo this is the am__doit target >confinc.out
 .PHONY: am__doit
 END
-# If we don't find an include directive, just comment out the code.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for style of include used by $am_make" >&5
-$as_echo_n "checking for style of include used by $am_make... " >&6; }
 am__include="#"
 am__quote=
-_am_result=none
-# First try GNU make style include.
-echo "include confinc" > confmf
-# Ignore all kinds of additional output from 'make'.
-case `$am_make -s -f confmf 2> /dev/null` in #(
-*the\ am__doit\ target*)
-  am__include=include
-  am__quote=
-  _am_result=GNU
-  ;;
-esac
-# Now try BSD make style include.
-if test "$am__include" = "#"; then
-   echo '.include "confinc"' > confmf
-   case `$am_make -s -f confmf 2> /dev/null` in #(
-   *the\ am__doit\ target*)
-     am__include=.include
-     am__quote="\""
-     _am_result=BSD
+# BSD make does it like this.
+echo '.include "confinc.mk" # ignored' > confmf.BSD
+# Other make implementations (GNU, Solaris 10, AIX) do it like this.
+echo 'include confinc.mk # ignored' > confmf.GNU
+_am_result=no
+for s in GNU BSD; do
+  { echo "$as_me:$LINENO: ${MAKE-make} -f confmf.$s && cat confinc.out" >&5
+   (${MAKE-make} -f confmf.$s && cat confinc.out) >&5 2>&5
+   ac_status=$?
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   (exit $ac_status); }
+  case $?:`cat confinc.out 2>/dev/null` in #(
+  '0:this is the am__doit target') :
+    case $s in #(
+  BSD) :
+    am__include='.include' am__quote='"' ;; #(
+  *) :
+    am__include='include' am__quote='' ;;
+esac ;; #(
+  *) :
     ;;
 esac
+  if test "$am__include" != "#"; then
+    _am_result="yes ($s style)"
+    break
  fi
-
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $_am_result" >&5
-$as_echo "$_am_result" >&6; }
-rm -f confinc confmf
+done
+rm -f confinc.* confmf.*
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: ${_am_result}" >&5
+$as_echo "${_am_result}" >&6; }

 # Check whether --enable-dependency-tracking was given.
 if test "${enable_dependency_tracking+set}" = set; then :
@ -7064,7 +7052,7 @@ 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
@ -10766,9 +10754,6 @@ $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
@ -11023,7 +11008,7 @@ _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=
@ -11693,7 +11678,6 @@ $as_echo "$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'
@ -11715,7 +11699,7 @@ $as_echo "$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
@ -12810,6 +12794,9 @@ 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
@ -12818,7 +12805,7 @@ 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
@ -12830,18 +12817,6 @@ 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
@ -15736,7 +15711,7 @@ lt_prog_compiler_static_CXX=
 	    ;;
 	esac
 	;;
-      netbsd* | netbsdelf*-gnu)
+      netbsd*)
 	;;
      *qnx* | *nto*)
        # QNX uses GNU C++, but need to define -shared option too, otherwise
@ -16111,9 +16086,6 @@ $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'
    ;;
@ -16787,6 +16759,9 @@ 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
@ -16795,7 +16770,7 @@ 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
@ -16807,18 +16782,6 @@ 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
@ -17428,10 +17391,12 @@ fi
 # (e.g. DEC) have both -lpthread and -lpthreads, where one of the
 # libraries is broken (non-POSIX).

-# Create a list of thread flags to try.  Items starting with a "-" are
-# C compiler flags, and other items are library names, except for "none"
-# which indicates that we try without any flags at all, and "pthread-config"
-# which is a program returning the flags for the Pth emulation library.
+# Create a list of thread flags to try. Items with a "," contain both
+# C compiler flags (before ",") and linker flags (after ","). Other items
+# starting with a "-" are C compiler flags, and remaining items are
+# library names, except for "none" which indicates that we try without
+# any flags at all, and "pthread-config" which is a program returning
+# the flags for the Pth emulation library.

 ax_pthread_flags="pthreads none -Kthread -pthread -pthreads -mthreads pthread --thread-safe -mt pthread-config"

@ -17507,39 +17472,10 @@ rm -f conftest*
        # that too in a future libc.)  So we'll check first for the
        # standard Solaris way of linking pthreads (-mt -lpthread).

-        ax_pthread_flags="-mt,pthread pthread $ax_pthread_flags"
+        ax_pthread_flags="-mt,-lpthread pthread $ax_pthread_flags"
        ;;
 esac

-# GCC generally uses -pthread, or -pthreads on some platforms (e.g. SPARC)
-
-if test "x$GCC" = "xyes"; then :
-  ax_pthread_flags="-pthread -pthreads $ax_pthread_flags"
-fi
-
-# The presence of a feature test macro requesting re-entrant function
-# definitions is, on some systems, a strong hint that pthreads support is
-# correctly enabled
-
-case $host_os in
-        darwin* | hpux* | linux* | osf* | solaris*)
-        ax_pthread_check_macro="_REENTRANT"
-        ;;
-
-        aix*)
-        ax_pthread_check_macro="_THREAD_SAFE"
-        ;;
-
-        *)
-        ax_pthread_check_macro="--"
-        ;;
-esac
-if test "x$ax_pthread_check_macro" = "x--"; then :
-  ax_pthread_check_cond=0
-else
-  ax_pthread_check_cond="!defined($ax_pthread_check_macro)"
-fi
-
 # Are we compiling with Clang?

 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC is Clang" >&5
@ -17571,107 +17507,51 @@ fi
 $as_echo "$ax_cv_PTHREAD_CLANG" >&6; }
 ax_pthread_clang="$ax_cv_PTHREAD_CLANG"

-ax_pthread_clang_warning=no

-# Clang needs special handling, because older versions handle the -pthread
-# option in a rather... idiosyncratic way
+# GCC generally uses -pthread, or -pthreads on some platforms (e.g. SPARC)

-if test "x$ax_pthread_clang" = "xyes"; then
+# Note that for GCC and Clang -pthread generally implies -lpthread,
+# except when -nostdlib is passed.
+# This is problematic using libtool to build C++ shared libraries with pthread:
+# [1] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=25460
+# [2] https://bugzilla.redhat.com/show_bug.cgi?id=661333
+# [3] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=468555
+# To solve this, first try -pthread together with -lpthread for GCC

-        # Clang takes -pthread; it has never supported any other flag
-
-        # (Note 1: This will need to be revisited if a system that Clang
-        # supports has POSIX threads in a separate library.  This tends not
-        # to be the way of modern systems, but it's conceivable.)
-
-        # (Note 2: On some systems, notably Darwin, -pthread is not needed
-        # to get POSIX threads support; the API is always present and
-        # active.  We could reasonably leave PTHREAD_CFLAGS empty.  But
-        # -pthread does define _REENTRANT, and while the Darwin headers
-        # ignore this macro, third-party headers might not.)
-
-        PTHREAD_CFLAGS="-pthread"
-        PTHREAD_LIBS=
-
-        ax_pthread_ok=yes
-
-        # However, older versions of Clang make a point of warning the user
-        # that, in an invocation where only linking and no compilation is
-        # taking place, the -pthread option has no effect ("argument unused
-        # during compilation").  They expect -pthread to be passed in only
-        # when source code is being compiled.
-        #
-        # Problem is, this is at odds with the way Automake and most other
-        # C build frameworks function, which is that the same flags used in
-        # compilation (CFLAGS) are also used in linking.  Many systems
-        # supported by AX_PTHREAD require exactly this for POSIX threads
-        # support, and in fact it is often not straightforward to specify a
-        # flag that is used only in the compilation phase and not in
-        # linking.  Such a scenario is extremely rare in practice.
-        #
-        # Even though use of the -pthread flag in linking would only print
-        # a warning, this can be a nuisance for well-run software projects
-        # that build with -Werror.  So if the active version of Clang has
-        # this misfeature, we search for an option to squash it.
-
-        { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether Clang needs flag to prevent \"argument unused\" warning when linking with -pthread" >&5
-$as_echo_n "checking whether Clang needs flag to prevent \"argument unused\" warning when linking with -pthread... " >&6; }
-if ${ax_cv_PTHREAD_CLANG_NO_WARN_FLAG+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  ax_cv_PTHREAD_CLANG_NO_WARN_FLAG=unknown
-             # Create an alternate version of $ac_link that compiles and
-             # links in two steps (.c -> .o, .o -> exe) instead of one
-             # (.c -> exe), because the warning occurs only in the second
-             # step
-             ax_pthread_save_ac_link="$ac_link"
-             ax_pthread_sed='s/conftest\.\$ac_ext/conftest.$ac_objext/g'
-             ax_pthread_link_step=`$as_echo "$ac_link" | sed "$ax_pthread_sed"`
-             ax_pthread_2step_ac_link="($ac_compile) && (echo ==== >&5) && ($ax_pthread_link_step)"
-             ax_pthread_save_CFLAGS="$CFLAGS"
-             for ax_pthread_try in '' -Qunused-arguments -Wno-unused-command-line-argument unknown; do
-                if test "x$ax_pthread_try" = "xunknown"; then :
-  break
+if test "x$GCC" = "xyes"; then :
+  ax_pthread_flags="-pthread,-lpthread -pthread -pthreads $ax_pthread_flags"
 fi
-                CFLAGS="-Werror -Wunknown-warning-option $ax_pthread_try -pthread $ax_pthread_save_CFLAGS"
-                ac_link="$ax_pthread_save_ac_link"
-                cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-int main(void){return 0;}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  ac_link="$ax_pthread_2step_ac_link"
-                     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-int main(void){return 0;}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
-  break
-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext

-fi
-rm -f core conftest.err conftest.$ac_objext \
-    conftest$ac_exeext conftest.$ac_ext
-             done
-             ac_link="$ax_pthread_save_ac_link"
-             CFLAGS="$ax_pthread_save_CFLAGS"
-             if test "x$ax_pthread_try" = "x"; then :
-  ax_pthread_try=no
-fi
-             ax_cv_PTHREAD_CLANG_NO_WARN_FLAG="$ax_pthread_try"
+# Clang takes -pthread (never supported any other flag), but we'll try with -lpthread first

+if test "x$ax_pthread_clang" = "xyes"; then :
+  ax_pthread_flags="-pthread,-lpthread -pthread"
 fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_PTHREAD_CLANG_NO_WARN_FLAG" >&5
-$as_echo "$ax_cv_PTHREAD_CLANG_NO_WARN_FLAG" >&6; }

-        case "$ax_cv_PTHREAD_CLANG_NO_WARN_FLAG" in
-                no | unknown) ;;
-                *) PTHREAD_CFLAGS="$ax_cv_PTHREAD_CLANG_NO_WARN_FLAG $PTHREAD_CFLAGS" ;;
+
+# The presence of a feature test macro requesting re-entrant function
+# definitions is, on some systems, a strong hint that pthreads support is
+# correctly enabled
+
+case $host_os in
+        darwin* | hpux* | linux* | osf* | solaris*)
+        ax_pthread_check_macro="_REENTRANT"
+        ;;
+
+        aix*)
+        ax_pthread_check_macro="_THREAD_SAFE"
+        ;;
+
+        *)
+        ax_pthread_check_macro="--"
+        ;;
 esac
+if test "x$ax_pthread_check_macro" = "x--"; then :
+  ax_pthread_check_cond=0
+else
+  ax_pthread_check_cond="!defined($ax_pthread_check_macro)"
+fi

-fi # $ax_pthread_clang = yes

 if test "x$ax_pthread_ok" = "xno"; then
 for ax_pthread_try_flag in $ax_pthread_flags; do
@ -17682,11 +17562,11 @@ for ax_pthread_try_flag in $ax_pthread_flags; do
 $as_echo_n "checking whether pthreads work without any flags... " >&6; }
                ;;

-                -mt,pthread)
-                { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether pthreads work with -mt -lpthread" >&5
-$as_echo_n "checking whether pthreads work with -mt -lpthread... " >&6; }
-                PTHREAD_CFLAGS="-mt"
-                PTHREAD_LIBS="-lpthread"
+                *,*)
+                PTHREAD_CFLAGS=`echo $ax_pthread_try_flag | sed "s/^\(.*\),\(.*\)$/\1/"`
+                PTHREAD_LIBS=`echo $ax_pthread_try_flag | sed "s/^\(.*\),\(.*\)$/\2/"`
+                { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether pthreads work with \"$PTHREAD_CFLAGS\" and \"$PTHREAD_LIBS\"" >&5
+$as_echo_n "checking whether pthreads work with \"$PTHREAD_CFLAGS\" and \"$PTHREAD_LIBS\"... " >&6; }
                ;;

                -*)
@ -17769,7 +17649,13 @@ $as_echo_n "checking for the pthreads library -l$ax_pthread_try_flag... " >&6; }
 #                       if $ax_pthread_check_cond
 #                        error "$ax_pthread_check_macro must be defined"
 #                       endif
-                        static void routine(void *a) { a = 0; }
+                        static void *some_global = NULL;
+                        static void routine(void *a)
+                          {
+                             /* To avoid any unused-parameter or
+                                unused-but-set-parameter warning.  */
+                             some_global = a;
+                          }
                        static void *start_routine(void *a) { return a; }
 int
 main ()
@ -17804,6 +17690,104 @@ fi
 done
 fi

+
+# Clang needs special handling, because older versions handle the -pthread
+# option in a rather... idiosyncratic way
+
+if test "x$ax_pthread_clang" = "xyes"; then
+
+        # Clang takes -pthread; it has never supported any other flag
+
+        # (Note 1: This will need to be revisited if a system that Clang
+        # supports has POSIX threads in a separate library.  This tends not
+        # to be the way of modern systems, but it's conceivable.)
+
+        # (Note 2: On some systems, notably Darwin, -pthread is not needed
+        # to get POSIX threads support; the API is always present and
+        # active.  We could reasonably leave PTHREAD_CFLAGS empty.  But
+        # -pthread does define _REENTRANT, and while the Darwin headers
+        # ignore this macro, third-party headers might not.)
+
+        # However, older versions of Clang make a point of warning the user
+        # that, in an invocation where only linking and no compilation is
+        # taking place, the -pthread option has no effect ("argument unused
+        # during compilation").  They expect -pthread to be passed in only
+        # when source code is being compiled.
+        #
+        # Problem is, this is at odds with the way Automake and most other
+        # C build frameworks function, which is that the same flags used in
+        # compilation (CFLAGS) are also used in linking.  Many systems
+        # supported by AX_PTHREAD require exactly this for POSIX threads
+        # support, and in fact it is often not straightforward to specify a
+        # flag that is used only in the compilation phase and not in
+        # linking.  Such a scenario is extremely rare in practice.
+        #
+        # Even though use of the -pthread flag in linking would only print
+        # a warning, this can be a nuisance for well-run software projects
+        # that build with -Werror.  So if the active version of Clang has
+        # this misfeature, we search for an option to squash it.
+
+        { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether Clang needs flag to prevent \"argument unused\" warning when linking with -pthread" >&5
+$as_echo_n "checking whether Clang needs flag to prevent \"argument unused\" warning when linking with -pthread... " >&6; }
+if ${ax_cv_PTHREAD_CLANG_NO_WARN_FLAG+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ax_cv_PTHREAD_CLANG_NO_WARN_FLAG=unknown
+             # Create an alternate version of $ac_link that compiles and
+             # links in two steps (.c -> .o, .o -> exe) instead of one
+             # (.c -> exe), because the warning occurs only in the second
+             # step
+             ax_pthread_save_ac_link="$ac_link"
+             ax_pthread_sed='s/conftest\.\$ac_ext/conftest.$ac_objext/g'
+             ax_pthread_link_step=`$as_echo "$ac_link" | sed "$ax_pthread_sed"`
+             ax_pthread_2step_ac_link="($ac_compile) && (echo ==== >&5) && ($ax_pthread_link_step)"
+             ax_pthread_save_CFLAGS="$CFLAGS"
+             for ax_pthread_try in '' -Qunused-arguments -Wno-unused-command-line-argument unknown; do
+                if test "x$ax_pthread_try" = "xunknown"; then :
+  break
+fi
+                CFLAGS="-Werror -Wunknown-warning-option $ax_pthread_try -pthread $ax_pthread_save_CFLAGS"
+                ac_link="$ax_pthread_save_ac_link"
+                cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+int main(void){return 0;}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_link="$ax_pthread_2step_ac_link"
+                     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+int main(void){return 0;}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  break
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+             done
+             ac_link="$ax_pthread_save_ac_link"
+             CFLAGS="$ax_pthread_save_CFLAGS"
+             if test "x$ax_pthread_try" = "x"; then :
+  ax_pthread_try=no
+fi
+             ax_cv_PTHREAD_CLANG_NO_WARN_FLAG="$ax_pthread_try"
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_PTHREAD_CLANG_NO_WARN_FLAG" >&5
+$as_echo "$ax_cv_PTHREAD_CLANG_NO_WARN_FLAG" >&6; }
+
+        case "$ax_cv_PTHREAD_CLANG_NO_WARN_FLAG" in
+                no | unknown) ;;
+                *) PTHREAD_CFLAGS="$ax_cv_PTHREAD_CLANG_NO_WARN_FLAG $PTHREAD_CFLAGS" ;;
+        esac
+
+fi # $ax_pthread_clang = yes
+
+
+
 # Various other checks:
 if test "x$ax_pthread_ok" = "xyes"; then
        ax_pthread_save_CFLAGS="$CFLAGS"
@ -17885,6 +17869,7 @@ int
 main ()
 {
 int i = PTHREAD_PRIO_INHERIT;
+                                               return i;
  ;
  return 0;
 }
@ -22103,7 +22088,7 @@ cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 #
 # INIT-COMMANDS
 #
-AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir"
+AMDEP_TRUE="$AMDEP_TRUE" MAKE="${MAKE-make}"


 # The HP-UX ksh and POSIX shell print the target directory to stdout
@ -23100,29 +23085,35 @@ $as_echo "$as_me: executing $ac_file commands" >&6;}
  # Older Autoconf quotes --file arguments for eval, but not when files
  # are listed without --file.  Let's play safe and only enable the eval
  # if we detect the quoting.
-  case $CONFIG_FILES in
-  *\'*) eval set x "$CONFIG_FILES" ;;
-  *)   set x $CONFIG_FILES ;;
+  # TODO: see whether this extra hack can be removed once we start
+  # requiring Autoconf 2.70 or later.
+  case $CONFIG_FILES in #(
+  *\'*) :
+    eval set x "$CONFIG_FILES" ;; #(
+  *) :
+    set x $CONFIG_FILES ;; #(
+  *) :
+     ;;
 esac
  shift
-  for mf
+  # Used to flag and report bootstrapping failures.
+  am_rc=0
+  for am_mf
  do
    # Strip MF so we end up with the name of the file.
-    mf=`echo "$mf" | sed -e 's/:.*$//'`
-    # Check whether this is an Automake generated Makefile or not.
-    # We used to match only the files named 'Makefile.in', but
-    # some people rename them; so instead we look at the file content.
-    # Grep'ing the first line is not enough: some people post-process
-    # each Makefile.in and add a new line on top of each file to say so.
-    # Grep'ing the whole file is not good either: AIX grep has a line
+    am_mf=`$as_echo "$am_mf" | sed -e 's/:.*$//'`
+    # Check whether this is an Automake generated Makefile which includes
+    # dependency-tracking related rules and includes.
+    # Grep'ing the whole file directly is not great: AIX grep has a line
    # limit of 2048, but all sed's we know have understand at least 4000.
-    if sed -n 's,^#.*generated by automake.*,X,p' "$mf" | grep X >/dev/null 2>&1; then
-      dirpart=`$as_dirname -- "$mf" ||
-$as_expr X"$mf" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
-	 X"$mf" : 'X\(//\)[^/]' \| \
-	 X"$mf" : 'X\(//\)$' \| \
-	 X"$mf" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X"$mf" |
+    sed -n 's,^am--depfiles:.*,X,p' "$am_mf" | grep X >/dev/null 2>&1 \
+      || continue
+    am_dirpart=`$as_dirname -- "$am_mf" ||
+$as_expr X"$am_mf" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$am_mf" : 'X\(//\)[^/]' \| \
+	 X"$am_mf" : 'X\(//\)$' \| \
+	 X"$am_mf" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$am_mf" |
    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
 	    s//\1/
 	    q
@ -23140,53 +23131,48 @@ $as_echo X"$mf" |
 	    q
 	  }
 	  s/.*/./; q'`
-    else
-      continue
+    am_filepart=`$as_basename -- "$am_mf" ||
+$as_expr X/"$am_mf" : '.*/\([^/][^/]*\)/*$' \| \
+	 X"$am_mf" : 'X\(//\)$' \| \
+	 X"$am_mf" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X/"$am_mf" |
+    sed '/^.*\/\([^/][^/]*\)\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\/\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+    { echo "$as_me:$LINENO: cd "$am_dirpart" \
+      && sed -e '/# am--include-marker/d' "$am_filepart" \
+        | $MAKE -f - am--depfiles" >&5
+   (cd "$am_dirpart" \
+      && sed -e '/# am--include-marker/d' "$am_filepart" \
+        | $MAKE -f - am--depfiles) >&5 2>&5
+   ac_status=$?
+   echo "$as_me:$LINENO: \$? = $ac_status" >&5
+   (exit $ac_status); } || am_rc=$?
+  done
+  if test $am_rc -ne 0; 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 $? "Something went wrong bootstrapping makefile fragments
+    for automatic dependency tracking.  Try re-running configure with the
+    '--disable-dependency-tracking' option to at least be able to build
+    the package (albeit without support for automatic dependency tracking).
+See \`config.log' for more details" "$LINENO" 5; }
  fi
-    # Extract the definition of DEPDIR, am__include, and am__quote
-    # from the Makefile without running 'make'.
-    DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"`
-    test -z "$DEPDIR" && continue
-    am__include=`sed -n 's/^am__include = //p' < "$mf"`
-    test -z "$am__include" && continue
-    am__quote=`sed -n 's/^am__quote = //p' < "$mf"`
-    # Find all dependency output files, they are included files with
-    # $(DEPDIR) in their names.  We invoke sed twice because it is the
-    # simplest approach to changing $(DEPDIR) to its actual value in the
-    # expansion.
-    for file in `sed -n "
-      s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \
-	 sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g'`; do
-      # Make sure the directory exists.
-      test -f "$dirpart/$file" && continue
-      fdir=`$as_dirname -- "$file" ||
-$as_expr X"$file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
-	 X"$file" : 'X\(//\)[^/]' \| \
-	 X"$file" : 'X\(//\)$' \| \
-	 X"$file" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X"$file" |
-    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
-	    s//\1/
-	    q
-	  }
-	  /^X\(\/\/\)[^/].*/{
-	    s//\1/
-	    q
-	  }
-	  /^X\(\/\/\)$/{
-	    s//\1/
-	    q
-	  }
-	  /^X\(\/\).*/{
-	    s//\1/
-	    q
-	  }
-	  s/.*/./; q'`
-      as_dir=$dirpart/$fdir; as_fn_mkdir_p
-      # echo "creating $dirpart/$file"
-      echo '# dummy' > "$dirpart/$file"
-    done
-  done
+  { am_dirpart=; unset am_dirpart;}
+  { am_filepart=; unset am_filepart;}
+  { am_mf=; unset am_mf;}
+  { am_rc=; unset am_rc;}
+  rm -f conftest-deps.mk
 }
 ;;
    "libtool":C)
@ -23204,6 +23190,7 @@ $as_echo X"$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.
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@ -1,11 +1,10 @@
 AUTOMAKE_OPTIONS = nostdinc

-AM_CFLAGS = $(PTHREAD_CFLAGS)
-
 CPPFLAGS_ALL_COMMON = \
 	-I$(abs_builddir) \
 	-I$(abs_srcdir) \
-	-I$(includedir)	
+	-I$(includedir)	\
+	$(PTHREAD_CFLAGS)

 if ENABLE_STATIC_MODULE
 LDFLAGS_ALL_COMMON = -L$(abs_builddir)/../mod -L$(abs_builddir) -L$(libdir)
@ -113,7 +112,7 @@ libhclx_la_SOURCES = \
 	hcl-c.c hcl-c.h
 libhclx_la_CPPFLAGS = $(CPPFLAGS_LIB_COMMON) $(CPPFLAGS_PFMOD)
 libhclx_la_LDFLAGS = $(LDFLAGS_LIB_COMMON)
-libhclx_la_LIBADD = $(LIBADD_LIB_COMMON) $(PTHREAD_LIBS) -lhcl
+libhclx_la_LIBADD = -lhcl $(LIBADD_LIB_COMMON) $(PTHREAD_LIBS)
 libhclx_la_DEPENDENCIES = libhcl.la
 endif

--- a/lib/Makefile.in
+++ b/lib/Makefile.in
@ -1,7 +1,7 @@
-# Makefile.in generated by automake 1.15 from Makefile.am.
+# Makefile.in generated by automake 1.16.1 from Makefile.am.
 # @configure_input@

-# Copyright (C) 1994-2014 Free Software Foundation, Inc.
+# Copyright (C) 1994-2018 Free Software Foundation, Inc.

 # This Makefile.in is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -194,7 +194,23 @@ am__v_at_0 = @
 am__v_at_1 = 
 DEFAULT_INCLUDES = 
 depcomp = $(SHELL) $(top_srcdir)/ac/depcomp
-am__depfiles_maybe = depfiles
+am__maybe_remake_depfiles = depfiles
+am__depfiles_remade = ./$(DEPDIR)/libhcl_la-bigint.Plo \
+	./$(DEPDIR)/libhcl_la-comp.Plo ./$(DEPDIR)/libhcl_la-debug.Plo \
+	./$(DEPDIR)/libhcl_la-decode.Plo ./$(DEPDIR)/libhcl_la-dic.Plo \
+	./$(DEPDIR)/libhcl_la-err.Plo ./$(DEPDIR)/libhcl_la-exec.Plo \
+	./$(DEPDIR)/libhcl_la-fmt.Plo ./$(DEPDIR)/libhcl_la-gc.Plo \
+	./$(DEPDIR)/libhcl_la-hcl.Plo ./$(DEPDIR)/libhcl_la-heap.Plo \
+	./$(DEPDIR)/libhcl_la-number.Plo ./$(DEPDIR)/libhcl_la-obj.Plo \
+	./$(DEPDIR)/libhcl_la-opt.Plo ./$(DEPDIR)/libhcl_la-prim.Plo \
+	./$(DEPDIR)/libhcl_la-print.Plo ./$(DEPDIR)/libhcl_la-rbt.Plo \
+	./$(DEPDIR)/libhcl_la-read.Plo ./$(DEPDIR)/libhcl_la-sym.Plo \
+	./$(DEPDIR)/libhcl_la-utf8.Plo ./$(DEPDIR)/libhcl_la-utl.Plo \
+	./$(DEPDIR)/libhclx_la-cb-impl.Plo \
+	./$(DEPDIR)/libhclx_la-hcl-c.Plo \
+	./$(DEPDIR)/libhclx_la-hcl-s.Plo \
+	./$(DEPDIR)/libhclx_la-json.Plo ./$(DEPDIR)/libhclx_la-tmr.Plo \
+	./$(DEPDIR)/libhclx_la-xutl.Plo
 am__mv = mv -f
 COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
 	$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
@ -393,7 +409,6 @@ pdfdir = @pdfdir@
 prefix = @prefix@
 program_transform_name = @program_transform_name@
 psdir = @psdir@
-runstatedir = @runstatedir@
 sbindir = @sbindir@
 sharedstatedir = @sharedstatedir@
 srcdir = @srcdir@
@ -403,11 +418,11 @@ top_build_prefix = @top_build_prefix@
 top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
 AUTOMAKE_OPTIONS = nostdinc
-AM_CFLAGS = $(PTHREAD_CFLAGS)
 CPPFLAGS_ALL_COMMON = \
 	-I$(abs_builddir) \
 	-I$(abs_srcdir) \
-	-I$(includedir)	
+	-I$(includedir)	\
+	$(PTHREAD_CFLAGS)

@ENABLE_STATIC_MODULE_FALSE@LDFLAGS_ALL_COMMON = -L$(abs_builddir) -L$(libdir)
@ENABLE_STATIC_MODULE_TRUE@LDFLAGS_ALL_COMMON = -L$(abs_builddir)/../mod -L$(abs_builddir) -L$(libdir)
@ -475,7 +490,7 @@ libhcl_la_DEPENDENCIES = $(am__append_7)

@ENABLE_HCLX_TRUE@libhclx_la_CPPFLAGS = $(CPPFLAGS_LIB_COMMON) $(CPPFLAGS_PFMOD)
@ENABLE_HCLX_TRUE@libhclx_la_LDFLAGS = $(LDFLAGS_LIB_COMMON)
-@ENABLE_HCLX_TRUE@libhclx_la_LIBADD = $(LIBADD_LIB_COMMON) $(PTHREAD_LIBS) -lhcl
+@ENABLE_HCLX_TRUE@libhclx_la_LIBADD = -lhcl $(LIBADD_LIB_COMMON) $(PTHREAD_LIBS)
@ENABLE_HCLX_TRUE@libhclx_la_DEPENDENCIES = libhcl.la
 all: hcl-cfg.h
 	$(MAKE) $(AM_MAKEFLAGS) all-am
@ -499,8 +514,8 @@ Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
 	  *config.status*) \
 	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
 	  *) \
-	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
-	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles);; \
 	esac;

 $(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
@ -574,33 +589,39 @@ mostlyclean-compile:
 distclean-compile:
 	-rm -f *.tab.c

-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhcl_la-bigint.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhcl_la-comp.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhcl_la-debug.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhcl_la-decode.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhcl_la-dic.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhcl_la-err.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhcl_la-exec.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhcl_la-fmt.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhcl_la-gc.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhcl_la-hcl.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhcl_la-heap.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhcl_la-number.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhcl_la-obj.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhcl_la-opt.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhcl_la-prim.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhcl_la-print.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhcl_la-rbt.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhcl_la-read.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhcl_la-sym.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhcl_la-utf8.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhcl_la-utl.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhclx_la-cb-impl.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhclx_la-hcl-c.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhclx_la-hcl-s.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhclx_la-json.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhclx_la-tmr.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhclx_la-xutl.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhcl_la-bigint.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhcl_la-comp.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhcl_la-debug.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhcl_la-decode.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhcl_la-dic.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhcl_la-err.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhcl_la-exec.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhcl_la-fmt.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhcl_la-gc.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhcl_la-hcl.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhcl_la-heap.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhcl_la-number.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhcl_la-obj.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhcl_la-opt.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhcl_la-prim.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhcl_la-print.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhcl_la-rbt.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhcl_la-read.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhcl_la-sym.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhcl_la-utf8.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhcl_la-utl.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhclx_la-cb-impl.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhclx_la-hcl-c.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhclx_la-hcl-s.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhclx_la-json.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhclx_la-tmr.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhclx_la-xutl.Plo@am__quote@ # am--include-marker
+
+$(am__depfiles_remade):
+	@$(MKDIR_P) $(@D)
+	@echo '# dummy' >$@-t && $(am__mv) $@-t $@
+
+am--depfiles: $(am__depfiles_remade)

 .c.o:
@am__fastdepCC_TRUE@	$(AM_V_CC)depbase=`echo $@ | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.o$$||'`;\
@ -894,7 +915,10 @@ cscopelist-am: $(am__tagged_files)
 distclean-tags:
 	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags

-distdir: $(DISTFILES)
+distdir: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) distdir-am
+
+distdir-am: $(DISTFILES)
 	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
 	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
 	list='$(DISTFILES)'; \
@ -967,7 +991,33 @@ clean-am: clean-generic clean-libtool clean-pkglibLTLIBRARIES \
 	mostlyclean-am

 distclean: distclean-am
-	-rm -rf ./$(DEPDIR)
+		-rm -f ./$(DEPDIR)/libhcl_la-bigint.Plo
+	-rm -f ./$(DEPDIR)/libhcl_la-comp.Plo
+	-rm -f ./$(DEPDIR)/libhcl_la-debug.Plo
+	-rm -f ./$(DEPDIR)/libhcl_la-decode.Plo
+	-rm -f ./$(DEPDIR)/libhcl_la-dic.Plo
+	-rm -f ./$(DEPDIR)/libhcl_la-err.Plo
+	-rm -f ./$(DEPDIR)/libhcl_la-exec.Plo
+	-rm -f ./$(DEPDIR)/libhcl_la-fmt.Plo
+	-rm -f ./$(DEPDIR)/libhcl_la-gc.Plo
+	-rm -f ./$(DEPDIR)/libhcl_la-hcl.Plo
+	-rm -f ./$(DEPDIR)/libhcl_la-heap.Plo
+	-rm -f ./$(DEPDIR)/libhcl_la-number.Plo
+	-rm -f ./$(DEPDIR)/libhcl_la-obj.Plo
+	-rm -f ./$(DEPDIR)/libhcl_la-opt.Plo
+	-rm -f ./$(DEPDIR)/libhcl_la-prim.Plo
+	-rm -f ./$(DEPDIR)/libhcl_la-print.Plo
+	-rm -f ./$(DEPDIR)/libhcl_la-rbt.Plo
+	-rm -f ./$(DEPDIR)/libhcl_la-read.Plo
+	-rm -f ./$(DEPDIR)/libhcl_la-sym.Plo
+	-rm -f ./$(DEPDIR)/libhcl_la-utf8.Plo
+	-rm -f ./$(DEPDIR)/libhcl_la-utl.Plo
+	-rm -f ./$(DEPDIR)/libhclx_la-cb-impl.Plo
+	-rm -f ./$(DEPDIR)/libhclx_la-hcl-c.Plo
+	-rm -f ./$(DEPDIR)/libhclx_la-hcl-s.Plo
+	-rm -f ./$(DEPDIR)/libhclx_la-json.Plo
+	-rm -f ./$(DEPDIR)/libhclx_la-tmr.Plo
+	-rm -f ./$(DEPDIR)/libhclx_la-xutl.Plo
 	-rm -f Makefile
 distclean-am: clean-am distclean-compile distclean-generic \
 	distclean-hdr distclean-tags
@ -1014,7 +1064,33 @@ install-ps-am:
 installcheck-am:

 maintainer-clean: maintainer-clean-am
-	-rm -rf ./$(DEPDIR)
+		-rm -f ./$(DEPDIR)/libhcl_la-bigint.Plo
+	-rm -f ./$(DEPDIR)/libhcl_la-comp.Plo
+	-rm -f ./$(DEPDIR)/libhcl_la-debug.Plo
+	-rm -f ./$(DEPDIR)/libhcl_la-decode.Plo
+	-rm -f ./$(DEPDIR)/libhcl_la-dic.Plo
+	-rm -f ./$(DEPDIR)/libhcl_la-err.Plo
+	-rm -f ./$(DEPDIR)/libhcl_la-exec.Plo
+	-rm -f ./$(DEPDIR)/libhcl_la-fmt.Plo
+	-rm -f ./$(DEPDIR)/libhcl_la-gc.Plo
+	-rm -f ./$(DEPDIR)/libhcl_la-hcl.Plo
+	-rm -f ./$(DEPDIR)/libhcl_la-heap.Plo
+	-rm -f ./$(DEPDIR)/libhcl_la-number.Plo
+	-rm -f ./$(DEPDIR)/libhcl_la-obj.Plo
+	-rm -f ./$(DEPDIR)/libhcl_la-opt.Plo
+	-rm -f ./$(DEPDIR)/libhcl_la-prim.Plo
+	-rm -f ./$(DEPDIR)/libhcl_la-print.Plo
+	-rm -f ./$(DEPDIR)/libhcl_la-rbt.Plo
+	-rm -f ./$(DEPDIR)/libhcl_la-read.Plo
+	-rm -f ./$(DEPDIR)/libhcl_la-sym.Plo
+	-rm -f ./$(DEPDIR)/libhcl_la-utf8.Plo
+	-rm -f ./$(DEPDIR)/libhcl_la-utl.Plo
+	-rm -f ./$(DEPDIR)/libhclx_la-cb-impl.Plo
+	-rm -f ./$(DEPDIR)/libhclx_la-hcl-c.Plo
+	-rm -f ./$(DEPDIR)/libhclx_la-hcl-s.Plo
+	-rm -f ./$(DEPDIR)/libhclx_la-json.Plo
+	-rm -f ./$(DEPDIR)/libhclx_la-tmr.Plo
+	-rm -f ./$(DEPDIR)/libhclx_la-xutl.Plo
 	-rm -f Makefile
 maintainer-clean-am: distclean-am maintainer-clean-generic

@ -1036,21 +1112,21 @@ uninstall-am: uninstall-pkgincludeHEADERS uninstall-pkglibLTLIBRARIES
 	$(MAKE) $(AM_MAKEFLAGS) uninstall-hook
 .MAKE: all install-am install-data-am install-strip uninstall-am

-.PHONY: CTAGS GTAGS TAGS all all-am check check-am clean clean-generic \
-	clean-libtool clean-pkglibLTLIBRARIES cscopelist-am ctags \
-	ctags-am distclean distclean-compile distclean-generic \
-	distclean-hdr distclean-libtool distclean-tags distdir dvi \
-	dvi-am html html-am info info-am install install-am \
-	install-data install-data-am install-data-hook install-dvi \
-	install-dvi-am install-exec install-exec-am install-html \
-	install-html-am install-info install-info-am install-man \
-	install-pdf install-pdf-am install-pkgincludeHEADERS \
-	install-pkglibLTLIBRARIES install-ps install-ps-am \
-	install-strip installcheck installcheck-am installdirs \
-	maintainer-clean maintainer-clean-generic mostlyclean \
-	mostlyclean-compile mostlyclean-generic mostlyclean-libtool \
-	pdf pdf-am ps ps-am tags tags-am uninstall uninstall-am \
-	uninstall-hook uninstall-pkgincludeHEADERS \
+.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \
+	clean-generic clean-libtool clean-pkglibLTLIBRARIES \
+	cscopelist-am ctags ctags-am distclean distclean-compile \
+	distclean-generic distclean-hdr distclean-libtool \
+	distclean-tags distdir dvi dvi-am html html-am info info-am \
+	install install-am install-data install-data-am \
+	install-data-hook install-dvi install-dvi-am install-exec \
+	install-exec-am install-html install-html-am install-info \
+	install-info-am install-man install-pdf install-pdf-am \
+	install-pkgincludeHEADERS install-pkglibLTLIBRARIES install-ps \
+	install-ps-am install-strip installcheck installcheck-am \
+	installdirs maintainer-clean maintainer-clean-generic \
+	mostlyclean mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool pdf pdf-am ps ps-am tags tags-am uninstall \
+	uninstall-am uninstall-hook uninstall-pkgincludeHEADERS \
 	uninstall-pkglibLTLIBRARIES

 .PRECIOUS: Makefile
--- a/m4/ax_pthread.m4
+++ b/m4/ax_pthread.m4
@ -55,6 +55,7 @@
 #
 #   Copyright (c) 2008 Steven G. Johnson <stevenj@alum.mit.edu>
 #   Copyright (c) 2011 Daniel Richard G. <skunk@iSKUNK.ORG>
+#   Copyright (c) 2019 Marc Stevens <marc.stevens@cwi.nl>
 #
 #   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 the
@ -82,7 +83,7 @@
 #   modified version of the Autoconf Macro, you may extend this special
 #   exception to the GPL to apply to your modified version as well.

-#serial 24
+#serial 27

 AU_ALIAS([ACX_PTHREAD], [AX_PTHREAD])
 AC_DEFUN([AX_PTHREAD], [
@ -123,10 +124,12 @@ fi
 # (e.g. DEC) have both -lpthread and -lpthreads, where one of the
 # libraries is broken (non-POSIX).

-# Create a list of thread flags to try.  Items starting with a "-" are
-# C compiler flags, and other items are library names, except for "none"
-# which indicates that we try without any flags at all, and "pthread-config"
-# which is a program returning the flags for the Pth emulation library.
+# Create a list of thread flags to try. Items with a "," contain both
+# C compiler flags (before ",") and linker flags (after ","). Other items
+# starting with a "-" are C compiler flags, and remaining items are
+# library names, except for "none" which indicates that we try without
+# any flags at all, and "pthread-config" which is a program returning
+# the flags for the Pth emulation library.

 ax_pthread_flags="pthreads none -Kthread -pthread -pthreads -mthreads pthread --thread-safe -mt pthread-config"

@ -194,14 +197,47 @@ case $host_os in
        # that too in a future libc.)  So we'll check first for the
        # standard Solaris way of linking pthreads (-mt -lpthread).

-        ax_pthread_flags="-mt,pthread pthread $ax_pthread_flags"
+        ax_pthread_flags="-mt,-lpthread pthread $ax_pthread_flags"
        ;;
 esac

+# Are we compiling with Clang?
+
+AC_CACHE_CHECK([whether $CC is Clang],
+    [ax_cv_PTHREAD_CLANG],
+    [ax_cv_PTHREAD_CLANG=no
+     # Note that Autoconf sets GCC=yes for Clang as well as GCC
+     if test "x$GCC" = "xyes"; then
+        AC_EGREP_CPP([AX_PTHREAD_CC_IS_CLANG],
+            [/* Note: Clang 2.7 lacks __clang_[a-z]+__ */
+#            if defined(__clang__) && defined(__llvm__)
+             AX_PTHREAD_CC_IS_CLANG
+#            endif
+            ],
+            [ax_cv_PTHREAD_CLANG=yes])
+     fi
+    ])
+ax_pthread_clang="$ax_cv_PTHREAD_CLANG"
+
+
 # GCC generally uses -pthread, or -pthreads on some platforms (e.g. SPARC)

+# Note that for GCC and Clang -pthread generally implies -lpthread,
+# except when -nostdlib is passed.
+# This is problematic using libtool to build C++ shared libraries with pthread:
+# [1] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=25460
+# [2] https://bugzilla.redhat.com/show_bug.cgi?id=661333
+# [3] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=468555
+# To solve this, first try -pthread together with -lpthread for GCC
+
 AS_IF([test "x$GCC" = "xyes"],
-      [ax_pthread_flags="-pthread -pthreads $ax_pthread_flags"])
+      [ax_pthread_flags="-pthread,-lpthread -pthread -pthreads $ax_pthread_flags"])
+
+# Clang takes -pthread (never supported any other flag), but we'll try with -lpthread first
+
+AS_IF([test "x$ax_pthread_clang" = "xyes"],
+      [ax_pthread_flags="-pthread,-lpthread -pthread"])
+

 # The presence of a feature test macro requesting re-entrant function
 # definitions is, on some systems, a strong hint that pthreads support is
@ -224,25 +260,86 @@ AS_IF([test "x$ax_pthread_check_macro" = "x--"],
      [ax_pthread_check_cond=0],
      [ax_pthread_check_cond="!defined($ax_pthread_check_macro)"])

-# Are we compiling with Clang?

-AC_CACHE_CHECK([whether $CC is Clang],
-    [ax_cv_PTHREAD_CLANG],
-    [ax_cv_PTHREAD_CLANG=no
-     # Note that Autoconf sets GCC=yes for Clang as well as GCC
-     if test "x$GCC" = "xyes"; then
-        AC_EGREP_CPP([AX_PTHREAD_CC_IS_CLANG],
-            [/* Note: Clang 2.7 lacks __clang_[a-z]+__ */
-#            if defined(__clang__) && defined(__llvm__)
-             AX_PTHREAD_CC_IS_CLANG
+if test "x$ax_pthread_ok" = "xno"; then
+for ax_pthread_try_flag in $ax_pthread_flags; do
+
+        case $ax_pthread_try_flag in
+                none)
+                AC_MSG_CHECKING([whether pthreads work without any flags])
+                ;;
+
+                *,*)
+                PTHREAD_CFLAGS=`echo $ax_pthread_try_flag | sed "s/^\(.*\),\(.*\)$/\1/"`
+                PTHREAD_LIBS=`echo $ax_pthread_try_flag | sed "s/^\(.*\),\(.*\)$/\2/"`
+                AC_MSG_CHECKING([whether pthreads work with "$PTHREAD_CFLAGS" and "$PTHREAD_LIBS"])
+                ;;
+
+                -*)
+                AC_MSG_CHECKING([whether pthreads work with $ax_pthread_try_flag])
+                PTHREAD_CFLAGS="$ax_pthread_try_flag"
+                ;;
+
+                pthread-config)
+                AC_CHECK_PROG([ax_pthread_config], [pthread-config], [yes], [no])
+                AS_IF([test "x$ax_pthread_config" = "xno"], [continue])
+                PTHREAD_CFLAGS="`pthread-config --cflags`"
+                PTHREAD_LIBS="`pthread-config --ldflags` `pthread-config --libs`"
+                ;;
+
+                *)
+                AC_MSG_CHECKING([for the pthreads library -l$ax_pthread_try_flag])
+                PTHREAD_LIBS="-l$ax_pthread_try_flag"
+                ;;
+        esac
+
+        ax_pthread_save_CFLAGS="$CFLAGS"
+        ax_pthread_save_LIBS="$LIBS"
+        CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
+        LIBS="$PTHREAD_LIBS $LIBS"
+
+        # Check for various functions.  We must include pthread.h,
+        # since some functions may be macros.  (On the Sequent, we
+        # need a special flag -Kthread to make this header compile.)
+        # We check for pthread_join because it is in -lpthread on IRIX
+        # while pthread_create is in libc.  We check for pthread_attr_init
+        # due to DEC craziness with -lpthreads.  We check for
+        # pthread_cleanup_push because it is one of the few pthread
+        # functions on Solaris that doesn't have a non-functional libc stub.
+        # We try pthread_create on general principles.
+
+        AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <pthread.h>
+#                       if $ax_pthread_check_cond
+#                        error "$ax_pthread_check_macro must be defined"
 #                       endif
-            ],
-            [ax_cv_PTHREAD_CLANG=yes])
-     fi
-    ])
-ax_pthread_clang="$ax_cv_PTHREAD_CLANG"
+                        static void *some_global = NULL;
+                        static void routine(void *a)
+                          {
+                             /* To avoid any unused-parameter or
+                                unused-but-set-parameter warning.  */
+                             some_global = a;
+                          }
+                        static void *start_routine(void *a) { return a; }],
+                       [pthread_t th; pthread_attr_t attr;
+                        pthread_create(&th, 0, start_routine, 0);
+                        pthread_join(th, 0);
+                        pthread_attr_init(&attr);
+                        pthread_cleanup_push(routine, 0);
+                        pthread_cleanup_pop(0) /* ; */])],
+            [ax_pthread_ok=yes],
+            [])
+
+        CFLAGS="$ax_pthread_save_CFLAGS"
+        LIBS="$ax_pthread_save_LIBS"
+
+        AC_MSG_RESULT([$ax_pthread_ok])
+        AS_IF([test "x$ax_pthread_ok" = "xyes"], [break])
+
+        PTHREAD_LIBS=""
+        PTHREAD_CFLAGS=""
+done
+fi

-ax_pthread_clang_warning=no

 # Clang needs special handling, because older versions handle the -pthread
 # option in a rather... idiosyncratic way
@ -261,11 +358,6 @@ if test "x$ax_pthread_clang" = "xyes"; then
        # -pthread does define _REENTRANT, and while the Darwin headers
        # ignore this macro, third-party headers might not.)

-        PTHREAD_CFLAGS="-pthread"
-        PTHREAD_LIBS=
-
-        ax_pthread_ok=yes
-
        # However, older versions of Clang make a point of warning the user
        # that, in an invocation where only linking and no compilation is
        # taking place, the -pthread option has no effect ("argument unused
@ -320,78 +412,7 @@ if test "x$ax_pthread_clang" = "xyes"; then

 fi # $ax_pthread_clang = yes

-if test "x$ax_pthread_ok" = "xno"; then
-for ax_pthread_try_flag in $ax_pthread_flags; do

-        case $ax_pthread_try_flag in
-                none)
-                AC_MSG_CHECKING([whether pthreads work without any flags])
-                ;;
-
-                -mt,pthread)
-                AC_MSG_CHECKING([whether pthreads work with -mt -lpthread])
-                PTHREAD_CFLAGS="-mt"
-                PTHREAD_LIBS="-lpthread"
-                ;;
-
-                -*)
-                AC_MSG_CHECKING([whether pthreads work with $ax_pthread_try_flag])
-                PTHREAD_CFLAGS="$ax_pthread_try_flag"
-                ;;
-
-                pthread-config)
-                AC_CHECK_PROG([ax_pthread_config], [pthread-config], [yes], [no])
-                AS_IF([test "x$ax_pthread_config" = "xno"], [continue])
-                PTHREAD_CFLAGS="`pthread-config --cflags`"
-                PTHREAD_LIBS="`pthread-config --ldflags` `pthread-config --libs`"
-                ;;
-
-                *)
-                AC_MSG_CHECKING([for the pthreads library -l$ax_pthread_try_flag])
-                PTHREAD_LIBS="-l$ax_pthread_try_flag"
-                ;;
-        esac
-
-        ax_pthread_save_CFLAGS="$CFLAGS"
-        ax_pthread_save_LIBS="$LIBS"
-        CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
-        LIBS="$PTHREAD_LIBS $LIBS"
-
-        # Check for various functions.  We must include pthread.h,
-        # since some functions may be macros.  (On the Sequent, we
-        # need a special flag -Kthread to make this header compile.)
-        # We check for pthread_join because it is in -lpthread on IRIX
-        # while pthread_create is in libc.  We check for pthread_attr_init
-        # due to DEC craziness with -lpthreads.  We check for
-        # pthread_cleanup_push because it is one of the few pthread
-        # functions on Solaris that doesn't have a non-functional libc stub.
-        # We try pthread_create on general principles.
-
-        AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <pthread.h>
-#                       if $ax_pthread_check_cond
-#                        error "$ax_pthread_check_macro must be defined"
-#                       endif
-                        static void routine(void *a) { a = 0; }
-                        static void *start_routine(void *a) { return a; }],
-                       [pthread_t th; pthread_attr_t attr;
-                        pthread_create(&th, 0, start_routine, 0);
-                        pthread_join(th, 0);
-                        pthread_attr_init(&attr);
-                        pthread_cleanup_push(routine, 0);
-                        pthread_cleanup_pop(0) /* ; */])],
-            [ax_pthread_ok=yes],
-            [])
-
-        CFLAGS="$ax_pthread_save_CFLAGS"
-        LIBS="$ax_pthread_save_LIBS"
-
-        AC_MSG_RESULT([$ax_pthread_ok])
-        AS_IF([test "x$ax_pthread_ok" = "xyes"], [break])
-
-        PTHREAD_LIBS=""
-        PTHREAD_CFLAGS=""
-done
-fi

 # Various other checks:
 if test "x$ax_pthread_ok" = "xyes"; then
@ -438,7 +459,8 @@ if test "x$ax_pthread_ok" = "xyes"; then
        AC_CACHE_CHECK([for PTHREAD_PRIO_INHERIT],
            [ax_cv_PTHREAD_PRIO_INHERIT],
            [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <pthread.h>]],
-                                             [[int i = PTHREAD_PRIO_INHERIT;]])],
+                                             [[int i = PTHREAD_PRIO_INHERIT;
+                                               return i;]])],
                            [ax_cv_PTHREAD_PRIO_INHERIT=yes],
                            [ax_cv_PTHREAD_PRIO_INHERIT=no])
            ])
--- 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.
@ -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
@ -4435,7 +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
@ -4947,9 +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'
    ;;
@ -5012,9 +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
@ -5269,7 +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 $lib'
 	wlarc=
@ -5790,7 +5776,6 @@ _LT_EOF
 	if test yes = "$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'
@ -5812,7 +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
--- a/mod/Makefile.in
+++ b/mod/Makefile.in
@ -1,7 +1,7 @@
-# Makefile.in generated by automake 1.15 from Makefile.am.
+# Makefile.in generated by automake 1.16.1 from Makefile.am.
 # @configure_input@

-# Copyright (C) 1994-2014 Free Software Foundation, Inc.
+# Copyright (C) 1994-2018 Free Software Foundation, Inc.

 # This Makefile.in is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@ -187,7 +187,11 @@ am__v_at_0 = @
 am__v_at_1 = 
 DEFAULT_INCLUDES = 
 depcomp = $(SHELL) $(top_srcdir)/ac/depcomp
-am__depfiles_maybe = depfiles
+am__maybe_remake_depfiles = depfiles
+am__depfiles_remade = ./$(DEPDIR)/libhcl_arr_la-arr.Plo \
+	./$(DEPDIR)/libhcl_dic_la-dic.Plo \
+	./$(DEPDIR)/libhcl_str_la-str.Plo \
+	./$(DEPDIR)/libhcl_sys_la-sys.Plo
 am__mv = mv -f
 COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
 	$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
@ -381,7 +385,6 @@ pdfdir = @pdfdir@
 prefix = @prefix@
 program_transform_name = @program_transform_name@
 psdir = @psdir@
-runstatedir = @runstatedir@
 sbindir = @sbindir@
 sharedstatedir = @sharedstatedir@
 srcdir = @srcdir@
@ -454,8 +457,8 @@ Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
 	  *config.status*) \
 	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
 	  *) \
-	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
-	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles);; \
 	esac;

 $(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
@ -531,10 +534,16 @@ mostlyclean-compile:
 distclean-compile:
 	-rm -f *.tab.c

-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhcl_arr_la-arr.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhcl_dic_la-dic.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhcl_str_la-str.Plo@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhcl_sys_la-sys.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhcl_arr_la-arr.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhcl_dic_la-dic.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhcl_str_la-str.Plo@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libhcl_sys_la-sys.Plo@am__quote@ # am--include-marker
+
+$(am__depfiles_remade):
+	@$(MKDIR_P) $(@D)
+	@echo '# dummy' >$@-t && $(am__mv) $@-t $@
+
+am--depfiles: $(am__depfiles_remade)

 .c.o:
@am__fastdepCC_TRUE@	$(AM_V_CC)depbase=`echo $@ | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.o$$||'`;\
@ -646,7 +655,10 @@ cscopelist-am: $(am__tagged_files)
 distclean-tags:
 	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags

-distdir: $(DISTFILES)
+distdir: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) distdir-am
+
+distdir-am: $(DISTFILES)
 	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
 	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
 	list='$(DISTFILES)'; \
@ -719,7 +731,10 @@ clean-am: clean-generic clean-libtool clean-noinstLTLIBRARIES \
 	clean-pkgmodexecLTLIBRARIES mostlyclean-am

 distclean: distclean-am
-	-rm -rf ./$(DEPDIR)
+		-rm -f ./$(DEPDIR)/libhcl_arr_la-arr.Plo
+	-rm -f ./$(DEPDIR)/libhcl_dic_la-dic.Plo
+	-rm -f ./$(DEPDIR)/libhcl_str_la-str.Plo
+	-rm -f ./$(DEPDIR)/libhcl_sys_la-sys.Plo
 	-rm -f Makefile
 distclean-am: clean-am distclean-compile distclean-generic \
 	distclean-tags
@ -765,7 +780,10 @@ install-ps-am:
 installcheck-am:

 maintainer-clean: maintainer-clean-am
-	-rm -rf ./$(DEPDIR)
+		-rm -f ./$(DEPDIR)/libhcl_arr_la-arr.Plo
+	-rm -f ./$(DEPDIR)/libhcl_dic_la-dic.Plo
+	-rm -f ./$(DEPDIR)/libhcl_str_la-str.Plo
+	-rm -f ./$(DEPDIR)/libhcl_sys_la-sys.Plo
 	-rm -f Makefile
 maintainer-clean-am: distclean-am maintainer-clean-generic

@ -786,8 +804,8 @@ uninstall-am: uninstall-pkgmodexecLTLIBRARIES

 .MAKE: install-am install-strip

-.PHONY: CTAGS GTAGS TAGS all all-am check check-am clean clean-generic \
-	clean-libtool clean-noinstLTLIBRARIES \
+.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \
+	clean-generic clean-libtool clean-noinstLTLIBRARIES \
 	clean-pkgmodexecLTLIBRARIES cscopelist-am ctags ctags-am \
 	distclean distclean-compile distclean-generic \
 	distclean-libtool distclean-tags distdir dvi dvi-am html \