From f8806bed9fa57ad081e59800e6f5240ebebf1afe Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?V=C3=ADtor=20Santos=20Costa?= <vsc@xato.(none)>
Date: Fri, 3 Dec 2010 12:12:15 +0000
Subject: [PATCH] explicitely link pthreads in clib.

---
 configure                 | 494 ++++++++++++++++++++------------------
 configure.in              |   3 +
 packages/clib/Makefile.in |  11 +-
 3 files changed, 265 insertions(+), 243 deletions(-)

diff --git a/configure b/configure
index 761242e54..f0b05d0ba 100755
--- a/configure
+++ b/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.68.
+# Generated by GNU Autoconf 2.67.
 #
 #
 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
@@ -89,7 +89,6 @@ fi
 IFS=" ""	$as_nl"
 
 # Find who we are.  Look in the path if we contain no directory separator.
-as_myself=
 case $0 in #((
   *[\\/]* ) as_myself=$0 ;;
   *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -215,18 +214,11 @@ IFS=$as_save_IFS
   # We cannot yet assume a decent shell, so we have to provide a
 	# neutralization value for shells without unset; and this also
 	# works around shells that cannot unset nonexistent variables.
-	# Preserve -v and -x to the replacement shell.
 	BASH_ENV=/dev/null
 	ENV=/dev/null
 	(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV
 	export CONFIG_SHELL
-	case $- in # ((((
-	  *v*x* | *x*v* ) as_opts=-vx ;;
-	  *v* ) as_opts=-v ;;
-	  *x* ) as_opts=-x ;;
-	  * ) as_opts= ;;
-	esac
-	exec "$CONFIG_SHELL" $as_opts "$as_myself" ${1+"$@"}
+	exec "$CONFIG_SHELL" "$as_myself" ${1+"$@"}
 fi
 
     if test x$as_have_required = xno; then :
@@ -605,6 +597,7 @@ CLIB_CRYPTLIBS
 CLIB_NETLIBS
 CLIB_PLTARGETS
 CLIB_TARGETS
+CLIB_PTHREADS
 CHR_TARGETS
 PLTARGETS
 TARGETS
@@ -807,9 +800,6 @@ LIBS
 CPPFLAGS
 CXX
 CXXFLAGS
-LDFLAGS
-LIBS
-CPPFLAGS
 CCC
 CPP'
 
@@ -1216,7 +1206,7 @@ Try \`$0 --help' for more information"
     $as_echo "$as_me: WARNING: you should use --build, --host, --target" >&2
     expr "x$ac_option" : ".*[^-._$as_cr_alnum]" >/dev/null &&
       $as_echo "$as_me: WARNING: invalid host type: $ac_option" >&2
-    : "${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}"
+    : ${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}
     ;;
 
   esac
@@ -1552,7 +1542,7 @@ test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
 configure
-generated by GNU Autoconf 2.68
+generated by GNU Autoconf 2.67
 
 Copyright (C) 2010 Free Software Foundation, Inc.
 This configure script is free software; the Free Software Foundation
@@ -1598,7 +1588,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
 
 	ac_retval=1
 fi
-  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
   as_fn_set_status $ac_retval
 
 } # ac_fn_c_try_compile
@@ -1636,7 +1626,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
 
 	ac_retval=1
 fi
-  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
   as_fn_set_status $ac_retval
 
 } # ac_fn_cxx_try_compile
@@ -1682,7 +1672,7 @@ fi
   # interfere with the next link command; also delete a directory that is
   # left behind by Apple's compiler.  We do this before executing the actions.
   rm -rf conftest.dSYM conftest_ipa8_conftest.oo
-  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
   as_fn_set_status $ac_retval
 
 } # ac_fn_c_try_link
@@ -1719,7 +1709,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
 
     ac_retval=1
 fi
-  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
   as_fn_set_status $ac_retval
 
 } # ac_fn_c_try_cpp
@@ -1732,10 +1722,10 @@ fi
 ac_fn_c_check_header_mongrel ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  if eval \${$3+:} false; then :
+  if eval "test \"\${$3+set}\"" = set; then :
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 $as_echo_n "checking for $2... " >&6; }
-if eval \${$3+:} false; then :
+if eval "test \"\${$3+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 fi
 eval ac_res=\$$3
@@ -1798,7 +1788,7 @@ $as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
 esac
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 $as_echo_n "checking for $2... " >&6; }
-if eval \${$3+:} false; then :
+if eval "test \"\${$3+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
   eval "$3=\$ac_header_compiler"
@@ -1807,7 +1797,7 @@ eval ac_res=\$$3
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
 fi
-  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
 
 } # ac_fn_c_check_header_mongrel
 
@@ -1848,7 +1838,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
        ac_retval=$ac_status
 fi
   rm -rf conftest.dSYM conftest_ipa8_conftest.oo
-  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
   as_fn_set_status $ac_retval
 
 } # ac_fn_c_try_run
@@ -1862,7 +1852,7 @@ ac_fn_c_check_header_compile ()
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 $as_echo_n "checking for $2... " >&6; }
-if eval \${$3+:} false; then :
+if eval "test \"\${$3+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -1880,7 +1870,7 @@ fi
 eval ac_res=\$$3
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
 
 } # ac_fn_c_check_header_compile
 
@@ -1892,7 +1882,7 @@ ac_fn_c_check_func ()
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 $as_echo_n "checking for $2... " >&6; }
-if eval \${$3+:} false; then :
+if eval "test \"\${$3+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -1947,7 +1937,7 @@ fi
 eval ac_res=\$$3
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
 
 } # ac_fn_c_check_func
 
@@ -2124,7 +2114,7 @@ rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
 rm -f conftest.val
 
   fi
-  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
   as_fn_set_status $ac_retval
 
 } # ac_fn_c_compute_int
@@ -2138,7 +2128,7 @@ ac_fn_c_check_type ()
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 $as_echo_n "checking for $2... " >&6; }
-if eval \${$3+:} false; then :
+if eval "test \"\${$3+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
   eval "$3=no"
@@ -2179,7 +2169,7 @@ fi
 eval ac_res=\$$3
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
 
 } # ac_fn_c_check_type
 
@@ -2192,7 +2182,7 @@ ac_fn_c_check_member ()
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2.$3" >&5
 $as_echo_n "checking for $2.$3... " >&6; }
-if eval \${$4+:} false; then :
+if eval "test \"\${$4+set}\"" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -2236,7 +2226,7 @@ fi
 eval ac_res=\$$4
 	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
 
 } # ac_fn_c_check_member
 cat >config.log <<_ACEOF
@@ -2244,7 +2234,7 @@ This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
 It was created by $as_me, which was
-generated by GNU Autoconf 2.68.  Invocation command line was
+generated by GNU Autoconf 2.67.  Invocation command line was
 
   $ $0 $@
 
@@ -2502,7 +2492,7 @@ $as_echo "$as_me: loading site script $ac_site_file" >&6;}
       || { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "failed to load site script $ac_site_file
-See \`config.log' for more details" "$LINENO" 5; }
+See \`config.log' for more details" "$LINENO" 5 ; }
   fi
 done
 
@@ -2606,7 +2596,7 @@ if test -n "$ac_tool_prefix"; then
 set dummy ${ac_tool_prefix}gcc; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_CC+:} false; then :
+if test "${ac_cv_prog_CC+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
@@ -2646,7 +2636,7 @@ if test -z "$ac_cv_prog_CC"; then
 set dummy gcc; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_CC+:} false; then :
+if test "${ac_cv_prog_ac_ct_CC+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_CC"; then
@@ -2699,7 +2689,7 @@ if test -z "$CC"; then
 set dummy ${ac_tool_prefix}cc; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_CC+:} false; then :
+if test "${ac_cv_prog_CC+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
@@ -2739,7 +2729,7 @@ if test -z "$CC"; then
 set dummy cc; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_CC+:} false; then :
+if test "${ac_cv_prog_CC+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
@@ -2798,7 +2788,7 @@ if test -z "$CC"; then
 set dummy $ac_tool_prefix$ac_prog; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_CC+:} false; then :
+if test "${ac_cv_prog_CC+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
@@ -2842,7 +2832,7 @@ do
 set dummy $ac_prog; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_CC+:} false; then :
+if test "${ac_cv_prog_ac_ct_CC+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_CC"; then
@@ -2897,7 +2887,7 @@ fi
 test -z "$CC" && { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "no acceptable C compiler found in \$PATH
-See \`config.log' for more details" "$LINENO" 5; }
+See \`config.log' for more details" "$LINENO" 5 ; }
 
 # Provide some information about the compiler.
 $as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5
@@ -3012,7 +3002,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
 { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error 77 "C compiler cannot create executables
-See \`config.log' for more details" "$LINENO" 5; }
+See \`config.log' for more details" "$LINENO" 5 ; }
 else
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
@@ -3055,7 +3045,7 @@ else
   { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "cannot compute suffix of executables: cannot compile and link
-See \`config.log' for more details" "$LINENO" 5; }
+See \`config.log' for more details" "$LINENO" 5 ; }
 fi
 rm -f conftest conftest$ac_cv_exeext
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5
@@ -3114,7 +3104,7 @@ $as_echo "$ac_try_echo"; } >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "cannot run C compiled programs.
 If you meant to cross compile, use \`--host'.
-See \`config.log' for more details" "$LINENO" 5; }
+See \`config.log' for more details" "$LINENO" 5 ; }
     fi
   fi
 fi
@@ -3125,7 +3115,7 @@ rm -f conftest.$ac_ext conftest$ac_cv_exeext conftest.out
 ac_clean_files=$ac_clean_files_save
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5
 $as_echo_n "checking for suffix of object files... " >&6; }
-if ${ac_cv_objext+:} false; then :
+if test "${ac_cv_objext+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -3166,7 +3156,7 @@ sed 's/^/| /' conftest.$ac_ext >&5
 { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "cannot compute suffix of object files: cannot compile
-See \`config.log' for more details" "$LINENO" 5; }
+See \`config.log' for more details" "$LINENO" 5 ; }
 fi
 rm -f conftest.$ac_cv_objext conftest.$ac_ext
 fi
@@ -3176,7 +3166,7 @@ OBJEXT=$ac_cv_objext
 ac_objext=$OBJEXT
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C compiler" >&5
 $as_echo_n "checking whether we are using the GNU C compiler... " >&6; }
-if ${ac_cv_c_compiler_gnu+:} false; then :
+if test "${ac_cv_c_compiler_gnu+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -3213,7 +3203,7 @@ ac_test_CFLAGS=${CFLAGS+set}
 ac_save_CFLAGS=$CFLAGS
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5
 $as_echo_n "checking whether $CC accepts -g... " >&6; }
-if ${ac_cv_prog_cc_g+:} false; then :
+if test "${ac_cv_prog_cc_g+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_save_c_werror_flag=$ac_c_werror_flag
@@ -3291,7 +3281,7 @@ else
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $CC option to accept ISO C89" >&5
 $as_echo_n "checking for $CC option to accept ISO C89... " >&6; }
-if ${ac_cv_prog_cc_c89+:} false; then :
+if test "${ac_cv_prog_cc_c89+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_cv_prog_cc_c89=no
@@ -3402,7 +3392,7 @@ if test -z "$CXX"; then
 set dummy $ac_tool_prefix$ac_prog; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_CXX+:} false; then :
+if test "${ac_cv_prog_CXX+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CXX"; then
@@ -3446,7 +3436,7 @@ do
 set dummy $ac_prog; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_CXX+:} false; then :
+if test "${ac_cv_prog_ac_ct_CXX+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_CXX"; then
@@ -3524,7 +3514,7 @@ done
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C++ compiler" >&5
 $as_echo_n "checking whether we are using the GNU C++ compiler... " >&6; }
-if ${ac_cv_cxx_compiler_gnu+:} false; then :
+if test "${ac_cv_cxx_compiler_gnu+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -3561,7 +3551,7 @@ ac_test_CXXFLAGS=${CXXFLAGS+set}
 ac_save_CXXFLAGS=$CXXFLAGS
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CXX accepts -g" >&5
 $as_echo_n "checking whether $CXX accepts -g... " >&6; }
-if ${ac_cv_prog_cxx_g+:} false; then :
+if test "${ac_cv_prog_cxx_g+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_save_cxx_werror_flag=$ac_cxx_werror_flag
@@ -3649,7 +3639,7 @@ do
 set dummy $ac_prog; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_AWK+:} false; then :
+if test "${ac_cv_prog_AWK+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$AWK"; then
@@ -4212,7 +4202,7 @@ $SHELL "$ac_aux_dir/config.sub" sun4 >/dev/null 2>&1 ||
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking build system type" >&5
 $as_echo_n "checking build system type... " >&6; }
-if ${ac_cv_build+:} false; then :
+if test "${ac_cv_build+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_build_alias=$build_alias
@@ -4228,7 +4218,7 @@ fi
 $as_echo "$ac_cv_build" >&6; }
 case $ac_cv_build in
 *-*-*) ;;
-*) as_fn_error $? "invalid value of canonical build" "$LINENO" 5;;
+*) as_fn_error $? "invalid value of canonical build" "$LINENO" 5 ;;
 esac
 build=$ac_cv_build
 ac_save_IFS=$IFS; IFS='-'
@@ -4246,7 +4236,7 @@ case $build_os in *\ *) build_os=`echo "$build_os" | sed 's/ /-/g'`;; esac
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking host system type" >&5
 $as_echo_n "checking host system type... " >&6; }
-if ${ac_cv_host+:} false; then :
+if test "${ac_cv_host+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test "x$host_alias" = x; then
@@ -4261,7 +4251,7 @@ fi
 $as_echo "$ac_cv_host" >&6; }
 case $ac_cv_host in
 *-*-*) ;;
-*) as_fn_error $? "invalid value of canonical host" "$LINENO" 5;;
+*) as_fn_error $? "invalid value of canonical host" "$LINENO" 5 ;;
 esac
 host=$ac_cv_host
 ac_save_IFS=$IFS; IFS='-'
@@ -4279,7 +4269,7 @@ case $host_os in *\ *) host_os=`echo "$host_os" | sed 's/ /-/g'`;; esac
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking target system type" >&5
 $as_echo_n "checking target system type... " >&6; }
-if ${ac_cv_target+:} false; then :
+if test "${ac_cv_target+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test "x$target_alias" = x; then
@@ -4294,7 +4284,7 @@ fi
 $as_echo "$ac_cv_target" >&6; }
 case $ac_cv_target in
 *-*-*) ;;
-*) as_fn_error $? "invalid value of canonical target" "$LINENO" 5;;
+*) as_fn_error $? "invalid value of canonical target" "$LINENO" 5 ;;
 esac
 target=$ac_cv_target
 ac_save_IFS=$IFS; IFS='-'
@@ -4523,7 +4513,7 @@ fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for a BSD-compatible install" >&5
 $as_echo_n "checking for a BSD-compatible install... " >&6; }
 if test -z "$INSTALL"; then
-if ${ac_cv_path_install+:} false; then :
+if test "${ac_cv_path_install+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -4604,7 +4594,7 @@ if test -n "$ac_tool_prefix"; then
 set dummy ${ac_tool_prefix}ranlib; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_RANLIB+:} false; then :
+if test "${ac_cv_prog_RANLIB+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$RANLIB"; then
@@ -4644,7 +4634,7 @@ if test -z "$ac_cv_prog_RANLIB"; then
 set dummy ranlib; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_RANLIB+:} false; then :
+if test "${ac_cv_prog_ac_ct_RANLIB+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_RANLIB"; then
@@ -4696,7 +4686,7 @@ if test -n "$ac_tool_prefix"; then
 set dummy ${ac_tool_prefix}indent; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_INDENT+:} false; then :
+if test "${ac_cv_prog_INDENT+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$INDENT"; then
@@ -4736,7 +4726,7 @@ if test -z "$ac_cv_prog_INDENT"; then
 set dummy indent; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_INDENT+:} false; then :
+if test "${ac_cv_prog_ac_ct_INDENT+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_INDENT"; then
@@ -4788,7 +4778,7 @@ if test -n "$ac_tool_prefix"; then
 set dummy ${ac_tool_prefix}ar; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_AR+:} false; then :
+if test "${ac_cv_prog_AR+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$AR"; then
@@ -4828,7 +4818,7 @@ if test -z "$ac_cv_prog_AR"; then
 set dummy ar; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_AR+:} false; then :
+if test "${ac_cv_prog_ac_ct_AR+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_AR"; then
@@ -4880,7 +4870,7 @@ if test -n "$ac_tool_prefix"; then
 set dummy ${ac_tool_prefix}mpicc; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_MPI_CC+:} false; then :
+if test "${ac_cv_prog_MPI_CC+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$MPI_CC"; then
@@ -4920,7 +4910,7 @@ if test -z "$ac_cv_prog_MPI_CC"; then
 set dummy mpicc; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_ac_ct_MPI_CC+:} false; then :
+if test "${ac_cv_prog_ac_ct_MPI_CC+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_MPI_CC"; then
@@ -4971,7 +4961,7 @@ fi
 set dummy install-info; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_path_INSTALL_INFO+:} false; then :
+if test "${ac_cv_path_INSTALL_INFO+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   case $INSTALL_INFO in
@@ -5013,7 +5003,7 @@ fi
 set dummy sh; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_path_SHELL+:} false; then :
+if test "${ac_cv_path_SHELL+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   case $SHELL in
@@ -5060,7 +5050,7 @@ then
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for main in -lws2_32" >&5
 $as_echo_n "checking for main in -lws2_32... " >&6; }
-if ${ac_cv_lib_ws2_32_main+:} false; then :
+if test "${ac_cv_lib_ws2_32_main+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -5088,7 +5078,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_ws2_32_main" >&5
 $as_echo "$ac_cv_lib_ws2_32_main" >&6; }
-if test "x$ac_cv_lib_ws2_32_main" = xyes; then :
+if test "x$ac_cv_lib_ws2_32_main" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBWS2_32 1
 _ACEOF
@@ -5104,7 +5094,7 @@ fi
       CXX="${CXX}  -mno-cygwin"
       { $as_echo "$as_me:${as_lineno-$LINENO}: checking for main in -lwsock32" >&5
 $as_echo_n "checking for main in -lwsock32... " >&6; }
-if ${ac_cv_lib_wsock32_main+:} false; then :
+if test "${ac_cv_lib_wsock32_main+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -5132,7 +5122,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_wsock32_main" >&5
 $as_echo "$ac_cv_lib_wsock32_main" >&6; }
-if test "x$ac_cv_lib_wsock32_main" = xyes; then :
+if test "x$ac_cv_lib_wsock32_main" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBWSOCK32 1
 _ACEOF
@@ -5145,7 +5135,7 @@ fi
     else
       { $as_echo "$as_me:${as_lineno-$LINENO}: checking for main in -lwsock32" >&5
 $as_echo_n "checking for main in -lwsock32... " >&6; }
-if ${ac_cv_lib_wsock32_main+:} false; then :
+if test "${ac_cv_lib_wsock32_main+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -5173,7 +5163,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_wsock32_main" >&5
 $as_echo "$ac_cv_lib_wsock32_main" >&6; }
-if test "x$ac_cv_lib_wsock32_main" = xyes; then :
+if test "x$ac_cv_lib_wsock32_main" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBWSOCK32 1
 _ACEOF
@@ -5186,7 +5176,7 @@ fi
     fi
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for main in -lpsapi" >&5
 $as_echo_n "checking for main in -lpsapi... " >&6; }
-if ${ac_cv_lib_psapi_main+:} false; then :
+if test "${ac_cv_lib_psapi_main+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -5214,7 +5204,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_psapi_main" >&5
 $as_echo "$ac_cv_lib_psapi_main" >&6; }
-if test "x$ac_cv_lib_psapi_main" = xyes; then :
+if test "x$ac_cv_lib_psapi_main" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBPSAPI 1
 _ACEOF
@@ -5250,7 +5240,7 @@ else
   ENABLE_WINCONSOLE="#"
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for sin in -lm" >&5
 $as_echo_n "checking for sin in -lm... " >&6; }
-if ${ac_cv_lib_m_sin+:} false; then :
+if test "${ac_cv_lib_m_sin+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -5284,7 +5274,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_m_sin" >&5
 $as_echo "$ac_cv_lib_m_sin" >&6; }
-if test "x$ac_cv_lib_m_sin" = xyes; then :
+if test "x$ac_cv_lib_m_sin" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBM 1
 _ACEOF
@@ -5295,7 +5285,7 @@ fi
 
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for socket in -lsocket" >&5
 $as_echo_n "checking for socket in -lsocket... " >&6; }
-if ${ac_cv_lib_socket_socket+:} false; then :
+if test "${ac_cv_lib_socket_socket+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -5329,7 +5319,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_socket_socket" >&5
 $as_echo "$ac_cv_lib_socket_socket" >&6; }
-if test "x$ac_cv_lib_socket_socket" = xyes; then :
+if test "x$ac_cv_lib_socket_socket" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBSOCKET 1
 _ACEOF
@@ -5340,7 +5330,7 @@ fi
 
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for getsockname in -lxnet" >&5
 $as_echo_n "checking for getsockname in -lxnet... " >&6; }
-if ${ac_cv_lib_xnet_getsockname+:} false; then :
+if test "${ac_cv_lib_xnet_getsockname+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -5374,7 +5364,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_xnet_getsockname" >&5
 $as_echo "$ac_cv_lib_xnet_getsockname" >&6; }
-if test "x$ac_cv_lib_xnet_getsockname" = xyes; then :
+if test "x$ac_cv_lib_xnet_getsockname" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBXNET 1
 _ACEOF
@@ -5385,7 +5375,7 @@ fi
 
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for main in -lstdc++" >&5
 $as_echo_n "checking for main in -lstdc++... " >&6; }
-if ${ac_cv_lib_stdcpp_main+:} false; then :
+if test "${ac_cv_lib_stdcpp_main+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -5413,7 +5403,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_stdcpp_main" >&5
 $as_echo "$ac_cv_lib_stdcpp_main" >&6; }
-if test "x$ac_cv_lib_stdcpp_main" = xyes; then :
+if test "x$ac_cv_lib_stdcpp_main" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBSTDC__ 1
 _ACEOF
@@ -5424,7 +5414,7 @@ fi
 
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for main in -lnsl" >&5
 $as_echo_n "checking for main in -lnsl... " >&6; }
-if ${ac_cv_lib_nsl_main+:} false; then :
+if test "${ac_cv_lib_nsl_main+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -5452,7 +5442,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_nsl_main" >&5
 $as_echo "$ac_cv_lib_nsl_main" >&6; }
-if test "x$ac_cv_lib_nsl_main" = xyes; then :
+if test "x$ac_cv_lib_nsl_main" = x""yes; then :
   have_nsl=yes
 
 else
@@ -5461,7 +5451,7 @@ fi
 
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for main in -lcrypt" >&5
 $as_echo_n "checking for main in -lcrypt... " >&6; }
-if ${ac_cv_lib_crypt_main+:} false; then :
+if test "${ac_cv_lib_crypt_main+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -5489,7 +5479,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_crypt_main" >&5
 $as_echo "$ac_cv_lib_crypt_main" >&6; }
-if test "x$ac_cv_lib_crypt_main" = xyes; then :
+if test "x$ac_cv_lib_crypt_main" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBCRYPT 1
 _ACEOF
@@ -5500,7 +5490,7 @@ fi
 
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for main in -lnss_files" >&5
 $as_echo_n "checking for main in -lnss_files... " >&6; }
-if ${ac_cv_lib_nss_files_main+:} false; then :
+if test "${ac_cv_lib_nss_files_main+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -5528,7 +5518,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_nss_files_main" >&5
 $as_echo "$ac_cv_lib_nss_files_main" >&6; }
-if test "x$ac_cv_lib_nss_files_main" = xyes; then :
+if test "x$ac_cv_lib_nss_files_main" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBNSS_FILES 1
 _ACEOF
@@ -5539,7 +5529,7 @@ fi
 
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for main in -lnss_dns" >&5
 $as_echo_n "checking for main in -lnss_dns... " >&6; }
-if ${ac_cv_lib_nss_dns_main+:} false; then :
+if test "${ac_cv_lib_nss_dns_main+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -5567,7 +5557,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_nss_dns_main" >&5
 $as_echo "$ac_cv_lib_nss_dns_main" >&6; }
-if test "x$ac_cv_lib_nss_dns_main" = xyes; then :
+if test "x$ac_cv_lib_nss_dns_main" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBNSS_DNS 1
 _ACEOF
@@ -5578,7 +5568,7 @@ fi
 
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for main in -lresolv" >&5
 $as_echo_n "checking for main in -lresolv... " >&6; }
-if ${ac_cv_lib_resolv_main+:} false; then :
+if test "${ac_cv_lib_resolv_main+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -5606,7 +5596,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_resolv_main" >&5
 $as_echo "$ac_cv_lib_resolv_main" >&6; }
-if test "x$ac_cv_lib_resolv_main" = xyes; then :
+if test "x$ac_cv_lib_resolv_main" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBRESOLV 1
 _ACEOF
@@ -5621,7 +5611,7 @@ if test "$yap_cv_readline" != "no"
 then
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for main in -lreadline" >&5
 $as_echo_n "checking for main in -lreadline... " >&6; }
-if ${ac_cv_lib_readline_main+:} false; then :
+if test "${ac_cv_lib_readline_main+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -5649,7 +5639,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_readline_main" >&5
 $as_echo "$ac_cv_lib_readline_main" >&6; }
-if test "x$ac_cv_lib_readline_main" = xyes; then :
+if test "x$ac_cv_lib_readline_main" = x""yes; then :
 
 
 $as_echo "#define HAVE_LIBREADLINE 1" >>confdefs.h
@@ -5661,7 +5651,7 @@ else
                  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "--with-readline was given, but test for readline failed
-See \`config.log' for more details" "$LINENO" 5; }
+See \`config.log' for more details" "$LINENO" 5 ; }
                fi
 
 fi
@@ -5671,7 +5661,7 @@ if test "$yap_cv_gmp" != "no"
 then
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for main in -lgmp" >&5
 $as_echo_n "checking for main in -lgmp... " >&6; }
-if ${ac_cv_lib_gmp_main+:} false; then :
+if test "${ac_cv_lib_gmp_main+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -5699,7 +5689,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_gmp_main" >&5
 $as_echo "$ac_cv_lib_gmp_main" >&6; }
-if test "x$ac_cv_lib_gmp_main" = xyes; then :
+if test "x$ac_cv_lib_gmp_main" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBGMP 1
 _ACEOF
@@ -5713,7 +5703,7 @@ fi
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for zlibVersion in -lz" >&5
 $as_echo_n "checking for zlibVersion in -lz... " >&6; }
-if ${ac_cv_lib_z_zlibVersion+:} false; then :
+if test "${ac_cv_lib_z_zlibVersion+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -5747,7 +5737,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_z_zlibVersion" >&5
 $as_echo "$ac_cv_lib_z_zlibVersion" >&6; }
-if test "x$ac_cv_lib_z_zlibVersion" = xyes; then :
+if test "x$ac_cv_lib_z_zlibVersion" = x""yes; then :
   ZLIBS="-lz"
 	     ZLIB=yes
 else
@@ -5763,7 +5753,7 @@ if test "$yap_cv_myddas" != "no"
 then
 		{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for main in -lmysqlclient" >&5
 $as_echo_n "checking for main in -lmysqlclient... " >&6; }
-	if ${yap_cv_mysql+:} false; then :
+	if test "${yap_cv_mysql+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -5800,7 +5790,7 @@ $as_echo "$yap_cv_mysql" >&6; }
 
 		{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for main in -lodbc" >&5
 $as_echo_n "checking for main in -lodbc... " >&6; }
-	if ${yap_cv_odbc+:} false; then :
+	if test "${yap_cv_odbc+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -5861,7 +5851,7 @@ then
 
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for pthread_create in -lpthread" >&5
 $as_echo_n "checking for pthread_create in -lpthread... " >&6; }
-if ${ac_cv_lib_pthread_pthread_create+:} false; then :
+if test "${ac_cv_lib_pthread_pthread_create+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -5895,7 +5885,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pthread_pthread_create" >&5
 $as_echo "$ac_cv_lib_pthread_pthread_create" >&6; }
-if test "x$ac_cv_lib_pthread_pthread_create" = xyes; then :
+if test "x$ac_cv_lib_pthread_pthread_create" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBPTHREAD 1
 _ACEOF
@@ -5916,7 +5906,7 @@ if test -n "$CPP" && test -d "$CPP"; then
   CPP=
 fi
 if test -z "$CPP"; then
-  if ${ac_cv_prog_CPP+:} false; then :
+  if test "${ac_cv_prog_CPP+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
       # Double quotes because CPP needs to be expanded
@@ -6032,7 +6022,7 @@ else
   { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "C preprocessor \"$CPP\" fails sanity check
-See \`config.log' for more details" "$LINENO" 5; }
+See \`config.log' for more details" "$LINENO" 5 ; }
 fi
 
 ac_ext=c
@@ -6044,7 +6034,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
 $as_echo_n "checking for grep that handles long lines and -e... " >&6; }
-if ${ac_cv_path_GREP+:} false; then :
+if test "${ac_cv_path_GREP+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test -z "$GREP"; then
@@ -6107,7 +6097,7 @@ $as_echo "$ac_cv_path_GREP" >&6; }
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
 $as_echo_n "checking for egrep... " >&6; }
-if ${ac_cv_path_EGREP+:} false; then :
+if test "${ac_cv_path_EGREP+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
@@ -6174,7 +6164,7 @@ $as_echo "$ac_cv_path_EGREP" >&6; }
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5
 $as_echo_n "checking for ANSI C header files... " >&6; }
-if ${ac_cv_header_stdc+:} false; then :
+if test "${ac_cv_header_stdc+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -6304,7 +6294,7 @@ done
 for ac_header in pthread.h
 do :
   ac_fn_c_check_header_mongrel "$LINENO" "pthread.h" "ac_cv_header_pthread_h" "$ac_includes_default"
-if test "x$ac_cv_header_pthread_h" = xyes; then :
+if test "x$ac_cv_header_pthread_h" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_PTHREAD_H 1
 _ACEOF
@@ -6425,7 +6415,7 @@ then
   CC=${MPI_CC}
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for MPI_Init in -lmpi" >&5
 $as_echo_n "checking for MPI_Init in -lmpi... " >&6; }
-if ${ac_cv_lib_mpi_MPI_Init+:} false; then :
+if test "${ac_cv_lib_mpi_MPI_Init+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -6459,7 +6449,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_mpi_MPI_Init" >&5
 $as_echo "$ac_cv_lib_mpi_MPI_Init" >&6; }
-if test "x$ac_cv_lib_mpi_MPI_Init" = xyes; then :
+if test "x$ac_cv_lib_mpi_MPI_Init" = x""yes; then :
   $as_echo "#define HAVE_LIBMPI 1" >>confdefs.h
 
 else
@@ -6474,7 +6464,7 @@ fi
   else
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking for MPI_Init in -lmpich" >&5
 $as_echo_n "checking for MPI_Init in -lmpich... " >&6; }
-if ${ac_cv_lib_mpich_MPI_Init+:} false; then :
+if test "${ac_cv_lib_mpich_MPI_Init+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -6508,7 +6498,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_mpich_MPI_Init" >&5
 $as_echo "$ac_cv_lib_mpich_MPI_Init" >&6; }
-if test "x$ac_cv_lib_mpich_MPI_Init" = xyes; then :
+if test "x$ac_cv_lib_mpich_MPI_Init" = x""yes; then :
   $as_echo "#define HAVE_LIBMPICH 1" >>confdefs.h
 
 else
@@ -6539,7 +6529,7 @@ then
   CC=${MPI_CC}
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for MPE_Init_log in -lmpe" >&5
 $as_echo_n "checking for MPE_Init_log in -lmpe... " >&6; }
-if ${ac_cv_lib_mpe_MPE_Init_log+:} false; then :
+if test "${ac_cv_lib_mpe_MPE_Init_log+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -6573,7 +6563,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_mpe_MPE_Init_log" >&5
 $as_echo "$ac_cv_lib_mpe_MPE_Init_log" >&6; }
-if test "x$ac_cv_lib_mpe_MPE_Init_log" = xyes; then :
+if test "x$ac_cv_lib_mpe_MPE_Init_log" = x""yes; then :
   $as_echo "#define HAVE_LIBMPE 1" >>confdefs.h
 
 else
@@ -6601,7 +6591,7 @@ if test -n "$CPP" && test -d "$CPP"; then
   CPP=
 fi
 if test -z "$CPP"; then
-  if ${ac_cv_prog_CPP+:} false; then :
+  if test "${ac_cv_prog_CPP+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
       # Double quotes because CPP needs to be expanded
@@ -6717,7 +6707,7 @@ else
   { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "C preprocessor \"$CPP\" fails sanity check
-See \`config.log' for more details" "$LINENO" 5; }
+See \`config.log' for more details" "$LINENO" 5 ; }
 fi
 
 ac_ext=c
@@ -6733,7 +6723,7 @@ then
 else
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for sys/wait.h that is POSIX.1 compatible" >&5
 $as_echo_n "checking for sys/wait.h that is POSIX.1 compatible... " >&6; }
-if ${ac_cv_header_sys_wait_h+:} false; then :
+if test "${ac_cv_header_sys_wait_h+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -6774,14 +6764,14 @@ fi
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for restartable system calls" >&5
 $as_echo_n "checking for restartable system calls... " >&6; }
-if ${ac_cv_sys_restartable_syscalls+:} false; then :
+if test "${ac_cv_sys_restartable_syscalls+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if test "$cross_compiling" = yes; then :
   { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
-See \`config.log' for more details" "$LINENO" 5; }
+See \`config.log' for more details" "$LINENO" 5 ; }
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -6863,7 +6853,7 @@ case "$target_os" in
         then
 	  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5
 $as_echo_n "checking for dlopen in -ldl... " >&6; }
-if ${ac_cv_lib_dl_dlopen+:} false; then :
+if test "${ac_cv_lib_dl_dlopen+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -6897,7 +6887,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5
 $as_echo "$ac_cv_lib_dl_dlopen" >&6; }
-if test "x$ac_cv_lib_dl_dlopen" = xyes; then :
+if test "x$ac_cv_lib_dl_dlopen" = x""yes; then :
   have_dl=yes
 
 else
@@ -7025,7 +7015,7 @@ fi
         then
 	  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5
 $as_echo_n "checking for dlopen in -ldl... " >&6; }
-if ${ac_cv_lib_dl_dlopen+:} false; then :
+if test "${ac_cv_lib_dl_dlopen+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -7059,7 +7049,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5
 $as_echo "$ac_cv_lib_dl_dlopen" >&6; }
-if test "x$ac_cv_lib_dl_dlopen" = xyes; then :
+if test "x$ac_cv_lib_dl_dlopen" = x""yes; then :
   	     have_dl=yes
 
 else
@@ -7095,7 +7085,7 @@ fi
 	then
 	  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5
 $as_echo_n "checking for dlopen in -ldl... " >&6; }
-if ${ac_cv_lib_dl_dlopen+:} false; then :
+if test "${ac_cv_lib_dl_dlopen+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -7129,7 +7119,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5
 $as_echo "$ac_cv_lib_dl_dlopen" >&6; }
-if test "x$ac_cv_lib_dl_dlopen" = xyes; then :
+if test "x$ac_cv_lib_dl_dlopen" = x""yes; then :
   have_dl=yes
 
 else
@@ -7242,7 +7232,7 @@ fi
       *)
 	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5
 $as_echo_n "checking for dlopen in -ldl... " >&6; }
-if ${ac_cv_lib_dl_dlopen+:} false; then :
+if test "${ac_cv_lib_dl_dlopen+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -7276,7 +7266,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5
 $as_echo "$ac_cv_lib_dl_dlopen" >&6; }
-if test "x$ac_cv_lib_dl_dlopen" = xyes; then :
+if test "x$ac_cv_lib_dl_dlopen" = x""yes; then :
   have_dl=yes
 
 else
@@ -7436,7 +7426,7 @@ fi
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for zlibVersion in -lz" >&5
 $as_echo_n "checking for zlibVersion in -lz... " >&6; }
-if ${ac_cv_lib_z_zlibVersion+:} false; then :
+if test "${ac_cv_lib_z_zlibVersion+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -7470,7 +7460,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_z_zlibVersion" >&5
 $as_echo "$ac_cv_lib_z_zlibVersion" >&6; }
-if test "x$ac_cv_lib_z_zlibVersion" = xyes; then :
+if test "x$ac_cv_lib_z_zlibVersion" = x""yes; then :
   ZLIBS="-lz"
 	     ZLIB=yes
 else
@@ -7506,7 +7496,7 @@ OLD_CC=${CC}
 CC=${LAM_MPI_CC}
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for main in -llam" >&5
 $as_echo_n "checking for main in -llam... " >&6; }
-if ${ac_cv_lib_lam_main+:} false; then :
+if test "${ac_cv_lib_lam_main+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -7534,7 +7524,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_lam_main" >&5
 $as_echo "$ac_cv_lib_lam_main" >&6; }
-if test "x$ac_cv_lib_lam_main" = xyes; then :
+if test "x$ac_cv_lib_lam_main" = x""yes; then :
   LAMOBJS=yap_mpi."$SO"
 else
   LAMOBJS=no
@@ -7544,7 +7534,7 @@ CC=${OLD_CC}
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5
 $as_echo_n "checking for ANSI C header files... " >&6; }
-if ${ac_cv_header_stdc+:} false; then :
+if test "${ac_cv_header_stdc+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -7656,7 +7646,7 @@ fi
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for sys/wait.h that is POSIX.1 compatible" >&5
 $as_echo_n "checking for sys/wait.h that is POSIX.1 compatible... " >&6; }
-if ${ac_cv_header_sys_wait_h+:} false; then :
+if test "${ac_cv_header_sys_wait_h+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -7893,7 +7883,7 @@ done
 for ac_header in mach-o/dyld.h
 do :
   ac_fn_c_check_header_mongrel "$LINENO" "mach-o/dyld.h" "ac_cv_header_mach_o_dyld_h" "$ac_includes_default"
-if test "x$ac_cv_header_mach_o_dyld_h" = xyes; then :
+if test "x$ac_cv_header_mach_o_dyld_h" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_MACH_O_DYLD_H 1
 _ACEOF
@@ -7907,7 +7897,7 @@ then
   for ac_header in gmp.h
 do :
   ac_fn_c_check_header_mongrel "$LINENO" "gmp.h" "ac_cv_header_gmp_h" "$ac_includes_default"
-if test "x$ac_cv_header_gmp_h" = xyes; then :
+if test "x$ac_cv_header_gmp_h" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_GMP_H 1
 _ACEOF
@@ -7922,7 +7912,7 @@ then
   for ac_header in cudd.h
 do :
   ac_fn_c_check_header_mongrel "$LINENO" "cudd.h" "ac_cv_header_cudd_h" "$ac_includes_default"
-if test "x$ac_cv_header_cudd_h" = xyes; then :
+if test "x$ac_cv_header_cudd_h" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_CUDD_H 1
 _ACEOF
@@ -7937,7 +7927,7 @@ then
   for ac_header in mysql/mysql.h
 do :
   ac_fn_c_check_header_mongrel "$LINENO" "mysql/mysql.h" "ac_cv_header_mysql_mysql_h" "$ac_includes_default"
-if test "x$ac_cv_header_mysql_mysql_h" = xyes; then :
+if test "x$ac_cv_header_mysql_mysql_h" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_MYSQL_MYSQL_H 1
 _ACEOF
@@ -7952,7 +7942,7 @@ then
   for ac_header in readline/readline.h
 do :
   ac_fn_c_check_header_mongrel "$LINENO" "readline/readline.h" "ac_cv_header_readline_readline_h" "$ac_includes_default"
-if test "x$ac_cv_header_readline_readline_h" = xyes; then :
+if test "x$ac_cv_header_readline_readline_h" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_READLINE_READLINE_H 1
 _ACEOF
@@ -7965,7 +7955,7 @@ fi
 for ac_header in mpi.h
 do :
   ac_fn_c_check_header_mongrel "$LINENO" "mpi.h" "ac_cv_header_mpi_h" "$ac_includes_default"
-if test "x$ac_cv_header_mpi_h" = xyes; then :
+if test "x$ac_cv_header_mpi_h" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_MPI_H 1
 _ACEOF
@@ -7977,7 +7967,7 @@ done
 for ac_header in mpe.h
 do :
   ac_fn_c_check_header_mongrel "$LINENO" "mpe.h" "ac_cv_header_mpe_h" "$ac_includes_default"
-if test "x$ac_cv_header_mpe_h" = xyes; then :
+if test "x$ac_cv_header_mpe_h" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_MPE_H 1
 _ACEOF
@@ -7989,7 +7979,7 @@ done
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for inline" >&5
 $as_echo_n "checking for inline... " >&6; }
-if ${ac_cv_c_inline+:} false; then :
+if test "${ac_cv_c_inline+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_cv_c_inline=no
@@ -8031,7 +8021,7 @@ esac
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether struct tm is in sys/time.h or time.h" >&5
 $as_echo_n "checking whether struct tm is in sys/time.h or time.h... " >&6; }
-if ${ac_cv_struct_tm+:} false; then :
+if test "${ac_cv_struct_tm+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -8070,7 +8060,7 @@ fi
 # This bug is HP SR number 8606223364.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of int *" >&5
 $as_echo_n "checking size of int *... " >&6; }
-if ${ac_cv_sizeof_int_p+:} false; then :
+if test "${ac_cv_sizeof_int_p+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (int *))" "ac_cv_sizeof_int_p"        "$ac_includes_default"; then :
@@ -8080,7 +8070,7 @@ else
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error 77 "cannot compute sizeof (int *)
-See \`config.log' for more details" "$LINENO" 5; }
+See \`config.log' for more details" "$LINENO" 5 ; }
    else
      ac_cv_sizeof_int_p=0
    fi
@@ -8103,7 +8093,7 @@ _ACEOF
 # This bug is HP SR number 8606223364.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of short int" >&5
 $as_echo_n "checking size of short int... " >&6; }
-if ${ac_cv_sizeof_short_int+:} false; then :
+if test "${ac_cv_sizeof_short_int+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (short int))" "ac_cv_sizeof_short_int"        "$ac_includes_default"; then :
@@ -8113,7 +8103,7 @@ else
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error 77 "cannot compute sizeof (short int)
-See \`config.log' for more details" "$LINENO" 5; }
+See \`config.log' for more details" "$LINENO" 5 ; }
    else
      ac_cv_sizeof_short_int=0
    fi
@@ -8136,7 +8126,7 @@ _ACEOF
 # This bug is HP SR number 8606223364.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of int" >&5
 $as_echo_n "checking size of int... " >&6; }
-if ${ac_cv_sizeof_int+:} false; then :
+if test "${ac_cv_sizeof_int+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (int))" "ac_cv_sizeof_int"        "$ac_includes_default"; then :
@@ -8146,7 +8136,7 @@ else
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error 77 "cannot compute sizeof (int)
-See \`config.log' for more details" "$LINENO" 5; }
+See \`config.log' for more details" "$LINENO" 5 ; }
    else
      ac_cv_sizeof_int=0
    fi
@@ -8169,7 +8159,7 @@ _ACEOF
 # This bug is HP SR number 8606223364.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of long int" >&5
 $as_echo_n "checking size of long int... " >&6; }
-if ${ac_cv_sizeof_long_int+:} false; then :
+if test "${ac_cv_sizeof_long_int+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (long int))" "ac_cv_sizeof_long_int"        "$ac_includes_default"; then :
@@ -8179,7 +8169,7 @@ else
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error 77 "cannot compute sizeof (long int)
-See \`config.log' for more details" "$LINENO" 5; }
+See \`config.log' for more details" "$LINENO" 5 ; }
    else
      ac_cv_sizeof_long_int=0
    fi
@@ -8202,7 +8192,7 @@ _ACEOF
 # This bug is HP SR number 8606223364.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of long long int" >&5
 $as_echo_n "checking size of long long int... " >&6; }
-if ${ac_cv_sizeof_long_long_int+:} false; then :
+if test "${ac_cv_sizeof_long_long_int+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (long long int))" "ac_cv_sizeof_long_long_int"        "$ac_includes_default"; then :
@@ -8212,7 +8202,7 @@ else
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error 77 "cannot compute sizeof (long long int)
-See \`config.log' for more details" "$LINENO" 5; }
+See \`config.log' for more details" "$LINENO" 5 ; }
    else
      ac_cv_sizeof_long_long_int=0
    fi
@@ -8235,7 +8225,7 @@ _ACEOF
 # This bug is HP SR number 8606223364.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of float" >&5
 $as_echo_n "checking size of float... " >&6; }
-if ${ac_cv_sizeof_float+:} false; then :
+if test "${ac_cv_sizeof_float+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (float))" "ac_cv_sizeof_float"        "$ac_includes_default"; then :
@@ -8245,7 +8235,7 @@ else
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error 77 "cannot compute sizeof (float)
-See \`config.log' for more details" "$LINENO" 5; }
+See \`config.log' for more details" "$LINENO" 5 ; }
    else
      ac_cv_sizeof_float=0
    fi
@@ -8268,7 +8258,7 @@ _ACEOF
 # This bug is HP SR number 8606223364.
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of double" >&5
 $as_echo_n "checking size of double... " >&6; }
-if ${ac_cv_sizeof_double+:} false; then :
+if test "${ac_cv_sizeof_double+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (double))" "ac_cv_sizeof_double"        "$ac_includes_default"; then :
@@ -8278,7 +8268,7 @@ else
      { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 $as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error 77 "cannot compute sizeof (double)
-See \`config.log' for more details" "$LINENO" 5; }
+See \`config.log' for more details" "$LINENO" 5 ; }
    else
      ac_cv_sizeof_double=0
    fi
@@ -8298,7 +8288,7 @@ _ACEOF
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for type of malloc" >&5
 $as_echo_n "checking for type of malloc... " >&6; }
-if ${yap_cv_malloct+:} false; then :
+if test "${yap_cv_malloct+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -8338,7 +8328,7 @@ fi
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for gcc inline" >&5
 $as_echo_n "checking for gcc inline... " >&6; }
-if ${yap_cv_gcc+:} false; then :
+if test "${yap_cv_gcc+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -8445,7 +8435,7 @@ fi
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for gcc threaded code" >&5
 $as_echo_n "checking for gcc threaded code... " >&6; }
-if ${yap_cv_threaded_code+:} false; then :
+if test "${yap_cv_threaded_code+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -8490,7 +8480,7 @@ fi
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for IEEE floats" >&5
 $as_echo_n "checking for IEEE floats... " >&6; }
-if ${yap_cv_ffieee+:} false; then :
+if test "${yap_cv_ffieee+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -8531,7 +8521,7 @@ fi
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for sigsetjmp" >&5
 $as_echo_n "checking for sigsetjmp... " >&6; }
-if ${yap_cv_sigsetjmp+:} false; then :
+if test "${yap_cv_sigsetjmp+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -8571,7 +8561,7 @@ fi
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _setjmp" >&5
 $as_echo_n "checking for _setjmp... " >&6; }
-if ${yap_cv__setjmp+:} false; then :
+if test "${yap_cv__setjmp+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -8611,7 +8601,7 @@ fi
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for sigsegv" >&5
 $as_echo_n "checking for sigsegv... " >&6; }
-if ${yap_cv_sigsegv+:} false; then :
+if test "${yap_cv_sigsegv+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -8650,7 +8640,7 @@ fi
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for sigprof" >&5
 $as_echo_n "checking for sigprof... " >&6; }
-if ${yap_cv_sigprof+:} false; then :
+if test "${yap_cv_sigprof+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -8689,7 +8679,7 @@ fi
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for siginfo" >&5
 $as_echo_n "checking for siginfo... " >&6; }
-if ${yap_cv_siginfo+:} false; then :
+if test "${yap_cv_siginfo+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -8790,7 +8780,7 @@ fi
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking return type of signal handlers" >&5
 $as_echo_n "checking return type of signal handlers... " >&6; }
-if ${ac_cv_type_signal+:} false; then :
+if test "${ac_cv_type_signal+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -8932,7 +8922,7 @@ done
 for ac_func in mbsnrtowcs
 do :
   ac_fn_c_check_func "$LINENO" "mbsnrtowcs" "ac_cv_func_mbsnrtowcs"
-if test "x$ac_cv_func_mbsnrtowcs" = xyes; then :
+if test "x$ac_cv_func_mbsnrtowcs" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_MBSNRTOWCS 1
 _ACEOF
@@ -9050,7 +9040,7 @@ done
 
 
 ac_fn_c_check_func "$LINENO" "regexec" "ac_cv_func_regexec"
-if test "x$ac_cv_func_regexec" = xyes; then :
+if test "x$ac_cv_func_regexec" = x""yes; then :
   NO_BUILTIN_REGEXP="#"
 else
   NO_BUILTIN_REGEXP=""
@@ -9060,7 +9050,7 @@ fi
 for ac_func in NSLinkModule
 do :
   ac_fn_c_check_func "$LINENO" "NSLinkModule" "ac_cv_func_NSLinkModule"
-if test "x$ac_cv_func_NSLinkModule" = xyes; then :
+if test "x$ac_cv_func_NSLinkModule" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_NSLINKMODULE 1
 _ACEOF
@@ -9103,7 +9093,7 @@ fi
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for mpz_xor" >&5
 $as_echo_n "checking for mpz_xor... " >&6; }
-if ${yap_cv_mpz_xor+:} false; then :
+if test "${yap_cv_mpz_xor+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -9149,7 +9139,7 @@ fi
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking if fflush(NULL) clobbers input pipes" >&5
 $as_echo_n "checking if fflush(NULL) clobbers input pipes... " >&6; }
-if ${yap_cv_broken_fflush_null+:} false; then :
+if test "${yap_cv_broken_fflush_null+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
    cat >conftest.$ac_ext <<EOF
@@ -9260,13 +9250,13 @@ CLIB_PLTARGETS="\$(srcdir)/unix.pl $CLIB_PLTARGETS"
 CLIB_NETLIBS=
 else
 ac_fn_c_check_func "$LINENO" "socket" "ac_cv_func_socket"
-if test "x$ac_cv_func_socket" = xyes; then :
+if test "x$ac_cv_func_socket" = x""yes; then :
 
 else
 
              { $as_echo "$as_me:${as_lineno-$LINENO}: checking for socket in -lsocket" >&5
 $as_echo_n "checking for socket in -lsocket... " >&6; }
-if ${ac_cv_lib_socket_socket+:} false; then :
+if test "${ac_cv_lib_socket_socket+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -9300,7 +9290,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_socket_socket" >&5
 $as_echo "$ac_cv_lib_socket_socket" >&6; }
-if test "x$ac_cv_lib_socket_socket" = xyes; then :
+if test "x$ac_cv_lib_socket_socket" = x""yes; then :
   CLIB_NETLIBS="$CLIB_NETLIBS -lsocket"
 
 $as_echo "#define HAVE_LIBSOCKET 1" >>confdefs.h
@@ -9310,13 +9300,13 @@ fi
 fi
 
 ac_fn_c_check_func "$LINENO" "gethostent" "ac_cv_func_gethostent"
-if test "x$ac_cv_func_gethostent" = xyes; then :
+if test "x$ac_cv_func_gethostent" = x""yes; then :
 
 else
 
              { $as_echo "$as_me:${as_lineno-$LINENO}: checking for gethostent in -lnsl" >&5
 $as_echo_n "checking for gethostent in -lnsl... " >&6; }
-if ${ac_cv_lib_nsl_gethostent+:} false; then :
+if test "${ac_cv_lib_nsl_gethostent+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -9350,7 +9340,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_nsl_gethostent" >&5
 $as_echo "$ac_cv_lib_nsl_gethostent" >&6; }
-if test "x$ac_cv_lib_nsl_gethostent" = xyes; then :
+if test "x$ac_cv_lib_nsl_gethostent" = x""yes; then :
   CLIB_NETLIBS="$CLIB_NETLIBS -lnsl"
 
 $as_echo "#define HAVE_LIBNSL 1" >>confdefs.h
@@ -9361,11 +9351,53 @@ fi
 
 fi
 
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for pthread_create in -lpthread" >&5
+$as_echo_n "checking for pthread_create in -lpthread... " >&6; }
+if test "${ac_cv_lib_pthread_pthread_create+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lpthread  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char pthread_create ();
+int
+main ()
+{
+return pthread_create ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_pthread_pthread_create=yes
+else
+  ac_cv_lib_pthread_pthread_create=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pthread_pthread_create" >&5
+$as_echo "$ac_cv_lib_pthread_pthread_create" >&6; }
+if test "x$ac_cv_lib_pthread_pthread_create" = x""yes; then :
+  CLIB_PTHREADS="-lpthread"
+else
+  CLIB_PTHREADS=""
+fi
+
 
 oldlibs="$LIBS"
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for crypt in -lcrypt" >&5
 $as_echo_n "checking for crypt in -lcrypt... " >&6; }
-if ${ac_cv_lib_crypt_crypt+:} false; then :
+if test "${ac_cv_lib_crypt_crypt+set}" = set; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
@@ -9399,7 +9431,7 @@ LIBS=$ac_check_lib_save_LIBS
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_crypt_crypt" >&5
 $as_echo "$ac_cv_lib_crypt_crypt" >&6; }
-if test "x$ac_cv_lib_crypt_crypt" = xyes; then :
+if test "x$ac_cv_lib_crypt_crypt" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_LIBCRYPT 1
 _ACEOF
@@ -9412,7 +9444,7 @@ CLIB_CRYPTLIBS="$LIBS"
 for ac_func in crypt
 do :
   ac_fn_c_check_func "$LINENO" "crypt" "ac_cv_func_crypt"
-if test "x$ac_cv_func_crypt" = xyes; then :
+if test "x$ac_cv_func_crypt" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
 #define HAVE_CRYPT 1
 _ACEOF
@@ -9427,12 +9459,13 @@ LIBS="$oldlibs"
 
 
 
+
 ac_fn_c_check_type "$LINENO" "socklen_t" "ac_cv_type_socklen_t" "
 #include <sys/types.h>
 #include <sys/socket.h>
 
 "
-if test "x$ac_cv_type_socklen_t" = xyes; then :
+if test "x$ac_cv_type_socklen_t" = x""yes; then :
 
 cat >>confdefs.h <<_ACEOF
 #define HAVE_SOCKLEN_T 1
@@ -9446,7 +9479,7 @@ ac_fn_c_check_type "$LINENO" "ssize_t" "ac_cv_type_ssize_t" "
 #include <sys/socket.h>
 
 "
-if test "x$ac_cv_type_ssize_t" = xyes; then :
+if test "x$ac_cv_type_ssize_t" = x""yes; then :
 
 cat >>confdefs.h <<_ACEOF
 #define HAVE_SSIZE_T 1
@@ -9501,7 +9534,7 @@ fi
 
 ac_fn_c_check_member "$LINENO" "struct tm" "tm_gmtoff" "ac_cv_member_struct_tm_tm_gmtoff" "#include <time.h>
 "
-if test "x$ac_cv_member_struct_tm_tm_gmtoff" = xyes; then :
+if test "x$ac_cv_member_struct_tm_tm_gmtoff" = x""yes; then :
 
 $as_echo "#define HAVE_STRUCT_TIME_TM_GMTOFF /**/" >>confdefs.h
 
@@ -9749,21 +9782,10 @@ $as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
      :end' >>confcache
 if diff "$cache_file" confcache >/dev/null 2>&1; then :; else
   if test -w "$cache_file"; then
-    if test "x$cache_file" != "x/dev/null"; then
+    test "x$cache_file" != "x/dev/null" &&
       { $as_echo "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5
 $as_echo "$as_me: updating cache $cache_file" >&6;}
-      if test ! -f "$cache_file" || test -h "$cache_file"; then
-	cat confcache >"$cache_file"
-      else
-        case $cache_file in #(
-        */* | ?:*)
-	  mv -f confcache "$cache_file"$$ &&
-	  mv -f "$cache_file"$$ "$cache_file" ;; #(
-        *)
-	  mv -f confcache "$cache_file" ;;
-	esac
-      fi
-    fi
+    cat confcache >$cache_file
   else
     { $as_echo "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5
 $as_echo "$as_me: not updating unwritable cache $cache_file" >&6;}
@@ -9795,7 +9817,7 @@ LTLIBOBJS=$ac_ltlibobjs
 
 
 
-: "${CONFIG_STATUS=./config.status}"
+: ${CONFIG_STATUS=./config.status}
 ac_write_fail=0
 ac_clean_files_save=$ac_clean_files
 ac_clean_files="$ac_clean_files $CONFIG_STATUS"
@@ -9896,7 +9918,6 @@ fi
 IFS=" ""	$as_nl"
 
 # Find who we are.  Look in the path if we contain no directory separator.
-as_myself=
 case $0 in #((
   *[\\/]* ) as_myself=$0 ;;
   *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -10204,7 +10225,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # values after options handling.
 ac_log="
 This file was extended by $as_me, which was
-generated by GNU Autoconf 2.68.  Invocation command line was
+generated by GNU Autoconf 2.67.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
   CONFIG_HEADERS  = $CONFIG_HEADERS
@@ -10266,7 +10287,7 @@ cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
 config.status
-configured by $0, generated by GNU Autoconf 2.68,
+configured by $0, generated by GNU Autoconf 2.67,
   with options \\"\$ac_cs_config\\"
 
 Copyright (C) 2010 Free Software Foundation, Inc.
@@ -10430,7 +10451,7 @@ do
     "packages/swi-minisat2/Makefile") CONFIG_FILES="$CONFIG_FILES packages/swi-minisat2/Makefile" ;;
     "packages/swi-minisat2/C/Makefile") CONFIG_FILES="$CONFIG_FILES packages/swi-minisat2/C/Makefile" ;;
 
-  *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
+  *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5 ;;
   esac
 done
 
@@ -10452,10 +10473,9 @@ fi
 # after its creation but before its name has been assigned to `$tmp'.
 $debug ||
 {
-  tmp= ac_tmp=
+  tmp=
   trap 'exit_status=$?
-  : "${ac_tmp:=$tmp}"
-  { test ! -d "$ac_tmp" || rm -fr "$ac_tmp"; } && exit $exit_status
+  { test -z "$tmp" || test ! -d "$tmp" || rm -fr "$tmp"; } && exit $exit_status
 ' 0
   trap 'as_fn_exit 1' 1 2 13 15
 }
@@ -10463,13 +10483,12 @@ $debug ||
 
 {
   tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` &&
-  test -d "$tmp"
+  test -n "$tmp" && test -d "$tmp"
 }  ||
 {
   tmp=./conf$$-$RANDOM
   (umask 077 && mkdir "$tmp")
 } || as_fn_error $? "cannot create a temporary directory in ." "$LINENO" 5
-ac_tmp=$tmp
 
 # Set up the scripts for CONFIG_FILES section.
 # No need to generate them if there are no CONFIG_FILES.
@@ -10491,7 +10510,7 @@ else
   ac_cs_awk_cr=$ac_cr
 fi
 
-echo 'BEGIN {' >"$ac_tmp/subs1.awk" &&
+echo 'BEGIN {' >"$tmp/subs1.awk" &&
 _ACEOF
 
 
@@ -10519,7 +10538,7 @@ done
 rm -f conf$$subs.sh
 
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
-cat >>"\$ac_tmp/subs1.awk" <<\\_ACAWK &&
+cat >>"\$tmp/subs1.awk" <<\\_ACAWK &&
 _ACEOF
 sed -n '
 h
@@ -10567,7 +10586,7 @@ t delim
 rm -f conf$$subs.awk
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 _ACAWK
-cat >>"\$ac_tmp/subs1.awk" <<_ACAWK &&
+cat >>"\$tmp/subs1.awk" <<_ACAWK &&
   for (key in S) S_is_set[key] = 1
   FS = ""
 
@@ -10599,7 +10618,7 @@ if sed "s/$ac_cr//" < /dev/null > /dev/null 2>&1; then
   sed "s/$ac_cr\$//; s/$ac_cr/$ac_cs_awk_cr/g"
 else
   cat
-fi < "$ac_tmp/subs1.awk" > "$ac_tmp/subs.awk" \
+fi < "$tmp/subs1.awk" > "$tmp/subs.awk" \
   || as_fn_error $? "could not setup config files machinery" "$LINENO" 5
 _ACEOF
 
@@ -10633,7 +10652,7 @@ fi # test -n "$CONFIG_FILES"
 # No need to generate them if there are no CONFIG_HEADERS.
 # This happens for instance with `./config.status Makefile'.
 if test -n "$CONFIG_HEADERS"; then
-cat >"$ac_tmp/defines.awk" <<\_ACAWK ||
+cat >"$tmp/defines.awk" <<\_ACAWK ||
 BEGIN {
 _ACEOF
 
@@ -10645,8 +10664,8 @@ _ACEOF
 # handling of long lines.
 ac_delim='%!_!# '
 for ac_last_try in false false :; do
-  ac_tt=`sed -n "/$ac_delim/p" confdefs.h`
-  if test -z "$ac_tt"; then
+  ac_t=`sed -n "/$ac_delim/p" confdefs.h`
+  if test -z "$ac_t"; then
     break
   elif $ac_last_try; then
     as_fn_error $? "could not make $CONFIG_HEADERS" "$LINENO" 5
@@ -10747,7 +10766,7 @@ do
   esac
   case $ac_mode$ac_tag in
   :[FHL]*:*);;
-  :L* | :C*:*) as_fn_error $? "invalid tag \`$ac_tag'" "$LINENO" 5;;
+  :L* | :C*:*) as_fn_error $? "invalid tag \`$ac_tag'" "$LINENO" 5 ;;
   :[FH]-) ac_tag=-:-;;
   :[FH]*) ac_tag=$ac_tag:$ac_tag.in;;
   esac
@@ -10766,7 +10785,7 @@ do
     for ac_f
     do
       case $ac_f in
-      -) ac_f="$ac_tmp/stdin";;
+      -) ac_f="$tmp/stdin";;
       *) # Look for the file first in the build tree, then in the source tree
 	 # (if the path is not absolute).  The absolute path cannot be DOS-style,
 	 # because $ac_f cannot contain `:'.
@@ -10775,7 +10794,7 @@ do
 	   [\\/$]*) false;;
 	   *) test -f "$srcdir/$ac_f" && ac_f="$srcdir/$ac_f";;
 	   esac ||
-	   as_fn_error 1 "cannot find input file: \`$ac_f'" "$LINENO" 5;;
+	   as_fn_error 1 "cannot find input file: \`$ac_f'" "$LINENO" 5 ;;
       esac
       case $ac_f in *\'*) ac_f=`$as_echo "$ac_f" | sed "s/'/'\\\\\\\\''/g"`;; esac
       as_fn_append ac_file_inputs " '$ac_f'"
@@ -10801,8 +10820,8 @@ $as_echo "$as_me: creating $ac_file" >&6;}
     esac
 
     case $ac_tag in
-    *:-:* | *:-) cat >"$ac_tmp/stdin" \
-      || as_fn_error $? "could not create $ac_file" "$LINENO" 5 ;;
+    *:-:* | *:-) cat >"$tmp/stdin" \
+      || as_fn_error $? "could not create $ac_file" "$LINENO" 5  ;;
     esac
     ;;
   esac
@@ -10932,22 +10951,21 @@ s&@abs_top_builddir@&$ac_abs_top_builddir&;t t
 s&@INSTALL@&$ac_INSTALL&;t t
 $ac_datarootdir_hack
 "
-eval sed \"\$ac_sed_extra\" "$ac_file_inputs" | $AWK -f "$ac_tmp/subs.awk" \
-  >$ac_tmp/out || as_fn_error $? "could not create $ac_file" "$LINENO" 5
+eval sed \"\$ac_sed_extra\" "$ac_file_inputs" | $AWK -f "$tmp/subs.awk" >$tmp/out \
+  || as_fn_error $? "could not create $ac_file" "$LINENO" 5
 
 test -z "$ac_datarootdir_hack$ac_datarootdir_seen" &&
-  { ac_out=`sed -n '/\${datarootdir}/p' "$ac_tmp/out"`; test -n "$ac_out"; } &&
-  { ac_out=`sed -n '/^[	 ]*datarootdir[	 ]*:*=/p' \
-      "$ac_tmp/out"`; test -z "$ac_out"; } &&
+  { ac_out=`sed -n '/\${datarootdir}/p' "$tmp/out"`; test -n "$ac_out"; } &&
+  { ac_out=`sed -n '/^[	 ]*datarootdir[	 ]*:*=/p' "$tmp/out"`; test -z "$ac_out"; } &&
   { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable \`datarootdir'
 which seems to be undefined.  Please make sure it is defined" >&5
 $as_echo "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir'
 which seems to be undefined.  Please make sure it is defined" >&2;}
 
-  rm -f "$ac_tmp/stdin"
+  rm -f "$tmp/stdin"
   case $ac_file in
-  -) cat "$ac_tmp/out" && rm -f "$ac_tmp/out";;
-  *) rm -f "$ac_file" && mv "$ac_tmp/out" "$ac_file";;
+  -) cat "$tmp/out" && rm -f "$tmp/out";;
+  *) rm -f "$ac_file" && mv "$tmp/out" "$ac_file";;
   esac \
   || as_fn_error $? "could not create $ac_file" "$LINENO" 5
  ;;
@@ -10958,20 +10976,20 @@ which seems to be undefined.  Please make sure it is defined" >&2;}
   if test x"$ac_file" != x-; then
     {
       $as_echo "/* $configure_input  */" \
-      && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs"
-    } >"$ac_tmp/config.h" \
+      && eval '$AWK -f "$tmp/defines.awk"' "$ac_file_inputs"
+    } >"$tmp/config.h" \
       || as_fn_error $? "could not create $ac_file" "$LINENO" 5
-    if diff "$ac_file" "$ac_tmp/config.h" >/dev/null 2>&1; then
+    if diff "$ac_file" "$tmp/config.h" >/dev/null 2>&1; then
       { $as_echo "$as_me:${as_lineno-$LINENO}: $ac_file is unchanged" >&5
 $as_echo "$as_me: $ac_file is unchanged" >&6;}
     else
       rm -f "$ac_file"
-      mv "$ac_tmp/config.h" "$ac_file" \
+      mv "$tmp/config.h" "$ac_file" \
 	|| as_fn_error $? "could not create $ac_file" "$LINENO" 5
     fi
   else
     $as_echo "/* $configure_input  */" \
-      && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs" \
+      && eval '$AWK -f "$tmp/defines.awk"' "$ac_file_inputs" \
       || as_fn_error $? "could not create -" "$LINENO" 5
   fi
  ;;
diff --git a/configure.in b/configure.in
index e36e748ab..86dee4107 100755
--- a/configure.in
+++ b/configure.in
@@ -1835,6 +1835,8 @@ AC_CHECK_FUNC(gethostent, [], [
                       "Define if you have the nsl library (-lnsl)."))])
 fi
 
+AC_CHECK_LIB(pthread, pthread_create,
+                      [CLIB_PTHREADS="-lpthread"],[CLIB_PTHREADS=""])
 
 oldlibs="$LIBS"
 AC_CHECK_LIB(crypt, crypt)
@@ -1842,6 +1844,7 @@ CLIB_CRYPTLIBS="$LIBS"
 AC_CHECK_FUNCS(crypt)
 LIBS="$oldlibs"
 
+AC_SUBST(CLIB_PTHREADS)
 AC_SUBST(CLIB_TARGETS)
 AC_SUBST(CLIB_PLTARGETS)
 AC_SUBST(CLIB_NETLIBS)
diff --git a/packages/clib/Makefile.in b/packages/clib/Makefile.in
index a6729d19e..4a5a5753b 100755
--- a/packages/clib/Makefile.in
+++ b/packages/clib/Makefile.in
@@ -36,6 +36,7 @@ CFLAGS= @SHLIB_CFLAGS@ $(YAP_EXTRAS) $(DEFS) -I$(srcdir) -I../.. -I$(srcdir)/../
 MKINDEX=true
 NETLIBS=@CLIB_NETLIBS@
 CRYPTLIBS=@CLIB_CRYPTLIBS@
+PTHREADLIBS=@CLIB_PTHREADS@
 
 LD=@DO_SECOND_LD@	@SHLIB_LD@
 LDFLAGS=@EXTRA_LIBS_FOR_SWIDLLS@
@@ -127,17 +128,17 @@ random.@SO@:	$(RANDOMOBJ)
 unix.@SO@:	$(UNXOBJ)
 		$(LD) $(LDFLAGS) -o $@ $(UNXOBJ)
 socket.@SO@:	$(SOCKOBJ)
-		$(LD) $(LDFLAGS) -o $@ $(SOCKOBJ) $(NETLIBS)
+		$(LD) $(LDFLAGS) -o $@ $(SOCKOBJ) $(NETLIBS) $(PTHREADLIBS)
 cgi.@SO@:	$(CGIOBJ)
-		$(LD) $(LDFLAGS) -o $@ $(CGIOBJ)
+		$(LD) $(LDFLAGS) -o $@ $(CGIOBJ) $(PTHREADLIBS)
 crypt.@SO@:	$(CRYPTOBJ)
-		$(LD) $(LDFLAGS) -o $@ $(CRYPTOBJ) $(CRYPTLIBS)
+		$(LD) $(LDFLAGS) -o $@ $(CRYPTOBJ) $(CRYPTLIBS) $(PTHREADLIBS)
 memfile.@SO@:	$(MEMOBJ)
 		$(LD) $(LDFLAGS) -o $@ $(MEMOBJ) $(LIBS)
 mime.@SO@:	$(MIMEOBJ) $(MIMELIBS)
 		$(LD) $(LDFLAGS) -o $@ $(MIMEOBJ) $(MIMELIBS)
 time.@SO@:	$(TIMEOBJ)
-		$(LD) $(LDFLAGS) -o $@ $(TIMEOBJ) $(LIBS)
+		$(LD) $(LDFLAGS) -o $@ $(TIMEOBJ) $(LIBS) $(PTHREADLIBS)
 files.@SO@:	$(FILESOBJ)
 		$(LD) $(LDFLAGS) -o $@ $(FILESOBJ) $(LIBS)
 rlimit.@SO@:	$(RLIMITOBJ)
@@ -151,7 +152,7 @@ streaminfo.@SO@: $(STREAMINFOOBJ)
 sha4pl.@SO@:	$(SHAOBJ)
 		$(LD) $(LDFLAGS) -o $@ $(SHAOBJ)
 uri.@SO@:	$(URIOBJ)
-		$(LD) $(LDFLAGS) -o $@ $(URIOBJ)
+		$(LD) $(LDFLAGS) -o $@ $(URIOBJ) $(PTHREADLIBS)
 
 socket.o:	$(srcdir)/socket.c $(srcdir)/sockcommon.c