diff --git a/config/prep_buildtree b/config/prep_buildtree
index 0a421a046c..a9faea85a8 100644
--- a/config/prep_buildtree
+++ b/config/prep_buildtree
@@ -15,20 +15,25 @@ elif test x"$1" = x"--help"; then
     echo "$help"
     exit 0
 fi
-sourcetree=$1
 
-buildtree=${2:-'.'}
+unset CDPATH
+
+sourcetree=`cd $1 && pwd`
+
+buildtree=`cd ${2:-'.'} && pwd`
 
 for item in `find "$sourcetree" -type d \( -name CVS -prune -o -print \)`; do
     subdir=`expr "$item" : "$sourcetree\(.*\)"`
     if test ! -d "$buildtree/$subdir"; then
-        mkdir -p "$buildtree/$subdir" || exit
+        mkdir -p "$buildtree/$subdir" || exit 1
     fi
 done
 
 for item in `find "$sourcetree" -name Makefile -o -name GNUmakefile`; do
     subdir=`expr "$item" : "$sourcetree\(.*\)"`
     if test ! -f "${item}.in"; then
-        ln -fs "$item" "$buildtree/$subdir" || exit
+        ln -fs "$item" "$buildtree/$subdir" || exit 1
     fi
 done
+
+exit 0
diff --git a/configure b/configure
index 610e7703da..fd51ec89a1 100755
--- a/configure
+++ b/configure
@@ -615,10 +615,6 @@ EOF
 
 
 unset CDPATH
-abs_top_srcdir=`cd $srcdir && pwd`
-
-abs_top_builddir=`pwd`
-
 
 
 # Make sure we can run config.sub.
@@ -627,7 +623,7 @@ else { echo "configure: error: can not run $ac_config_sub" 1>&2; exit 1; }
 fi
 
 echo $ac_n "checking host system type""... $ac_c" 1>&6
-echo "configure:631: checking host system type" >&5
+echo "configure:627: checking host system type" >&5
 
 host_alias=$host
 case "$host_alias" in
@@ -653,7 +649,7 @@ echo "$ac_t""$host" 1>&6
 
 template=
 echo $ac_n "checking which template to use""... $ac_c" 1>&6
-echo "configure:657: checking which template to use" >&5
+echo "configure:653: checking which template to use" >&5
 
 # Check whether --with-template was given
 if test x"${with_template+set}" = xset; then
@@ -816,7 +812,7 @@ fi
 # Locale (--enable-locale)
 #
 echo $ac_n "checking whether to build with locale support""... $ac_c" 1>&6
-echo "configure:820: checking whether to build with locale support" >&5
+echo "configure:816: checking whether to build with locale support" >&5
 # Check whether --enable-locale was given
 if test x"${enable_locale+set}" = xset; then
   case $enable_locale in
@@ -845,7 +841,7 @@ echo "$ac_t""$enable_locale" 1>&6
 # Character set recode (--enable-recode)
 #
 echo $ac_n "checking whether to build with recode support""... $ac_c" 1>&6
-echo "configure:849: checking whether to build with recode support" >&5
+echo "configure:845: checking whether to build with recode support" >&5
 # Check whether --enable-recode was given
 if test x"${enable_recode+set}" = xset; then
   case $enable_recode in
@@ -875,7 +871,7 @@ echo "$ac_t""$enable_recode" 1>&6
 #
 MULTIBYTE=
 echo $ac_n "checking whether to build with multibyte character support""... $ac_c" 1>&6
-echo "configure:879: checking whether to build with multibyte character support" >&5
+echo "configure:875: checking whether to build with multibyte character support" >&5
 
 # Check whether --enable-multibyte was given
 if test x"${enable_multibyte+set}" = xset; then
@@ -927,7 +923,7 @@ fi
 # Unicode conversion (--enable-unicode-conversion)
 #
 echo $ac_n "checking whether to build with Unicode conversion support""... $ac_c" 1>&6
-echo "configure:931: checking whether to build with Unicode conversion support" >&5
+echo "configure:927: checking whether to build with Unicode conversion support" >&5
 # Check whether --enable-unicode-conversion was given
 if test x"${enable_unicode_conversion+set}" = xset; then
   case $enable_unicode_conversion in
@@ -958,7 +954,7 @@ echo "$ac_t""$enable_unicode_conversion" 1>&6
 # Default port number (--with-pgport), default 5432
 #
 echo $ac_n "checking for default port number""... $ac_c" 1>&6
-echo "configure:962: checking for default port number" >&5
+echo "configure:958: checking for default port number" >&5
 # Check whether --with-pgport was given
 if test x"${with_pgport+set}" = xset; then
   case $with_pgport in
@@ -992,7 +988,7 @@ EOF
 # Maximum number of allowed connections (--with-maxbackends), default 32
 #
 echo $ac_n "checking for default soft limit on number of connections""... $ac_c" 1>&6
-echo "configure:996: checking for default soft limit on number of connections" >&5
+echo "configure:992: checking for default soft limit on number of connections" >&5
 # Check whether --with-maxbackends was given
 if test x"${with_maxbackends+set}" = xset; then
   case $with_maxbackends in
@@ -1116,7 +1112,7 @@ save_CFLAGS=$CFLAGS
 # Extract the first word of "gcc", so it can be a program name with args.
 set dummy gcc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1120: checking for $ac_word" >&5
+echo "configure:1116: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1146,7 +1142,7 @@ if test -z "$CC"; then
   # Extract the first word of "cc", so it can be a program name with args.
 set dummy cc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1150: checking for $ac_word" >&5
+echo "configure:1146: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1197,7 +1193,7 @@ fi
       # Extract the first word of "cl", so it can be a program name with args.
 set dummy cl; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1201: checking for $ac_word" >&5
+echo "configure:1197: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1229,7 +1225,7 @@ fi
 fi
 
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:1233: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
+echo "configure:1229: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
 
 ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
@@ -1240,12 +1236,12 @@ cross_compiling=$ac_cv_prog_cc_cross
 
 cat > conftest.$ac_ext << EOF
 
-#line 1244 "configure"
+#line 1240 "configure"
 #include "confdefs.h"
 
 main(){return(0);}
 EOF
-if { (eval echo configure:1249: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1245: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   ac_cv_prog_cc_works=yes
   # If we can't run a trivial program, we are probably using a cross compiler.
   if (./conftest; exit) 2>/dev/null; then
@@ -1271,12 +1267,12 @@ if test $ac_cv_prog_cc_works = no; then
   { echo "configure: error: installation or configuration problem: C compiler cannot create executables." 1>&2; exit 1; }
 fi
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
-echo "configure:1275: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:1271: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
 echo "$ac_t""$ac_cv_prog_cc_cross" 1>&6
 cross_compiling=$ac_cv_prog_cc_cross
 
 echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
-echo "configure:1280: checking whether we are using GNU C" >&5
+echo "configure:1276: checking whether we are using GNU C" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1285,7 +1281,7 @@ else
   yes;
 #endif
 EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:1289: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
+if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:1285: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gcc=yes
 else
   ac_cv_prog_gcc=no
@@ -1304,7 +1300,7 @@ ac_test_CFLAGS="${CFLAGS+set}"
 ac_save_CFLAGS="$CFLAGS"
 CFLAGS=
 echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
-echo "configure:1308: checking whether ${CC-cc} accepts -g" >&5
+echo "configure:1304: checking whether ${CC-cc} accepts -g" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1347,7 +1343,7 @@ fi
 echo "using CFLAGS=$CFLAGS"
 # Check if the compiler still works with the template settings
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:1351: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
+echo "configure:1347: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
 
 ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
@@ -1358,12 +1354,12 @@ cross_compiling=$ac_cv_prog_cc_cross
 
 cat > conftest.$ac_ext << EOF
 
-#line 1362 "configure"
+#line 1358 "configure"
 #include "confdefs.h"
 
 main(){return(0);}
 EOF
-if { (eval echo configure:1367: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1363: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   ac_cv_prog_cc_works=yes
   # If we can't run a trivial program, we are probably using a cross compiler.
   if (./conftest; exit) 2>/dev/null; then
@@ -1389,17 +1385,17 @@ if test $ac_cv_prog_cc_works = no; then
   { echo "configure: error: installation or configuration problem: C compiler cannot create executables." 1>&2; exit 1; }
 fi
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
-echo "configure:1393: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:1389: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
 echo "$ac_t""$ac_cv_prog_cc_cross" 1>&6
 cross_compiling=$ac_cv_prog_cc_cross
 
 echo $ac_n "checking for Cygwin environment""... $ac_c" 1>&6
-echo "configure:1398: checking for Cygwin environment" >&5
+echo "configure:1394: checking for Cygwin environment" >&5
 if eval "test \"`echo '$''{'ac_cv_cygwin'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1403 "configure"
+#line 1399 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -1410,7 +1406,7 @@ int main() {
 return __CYGWIN__;
 ; return 0; }
 EOF
-if { (eval echo configure:1414: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1410: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_cygwin=yes
 else
@@ -1427,19 +1423,19 @@ echo "$ac_t""$ac_cv_cygwin" 1>&6
 CYGWIN=
 test "$ac_cv_cygwin" = yes && CYGWIN=yes
 echo $ac_n "checking for mingw32 environment""... $ac_c" 1>&6
-echo "configure:1431: checking for mingw32 environment" >&5
+echo "configure:1427: checking for mingw32 environment" >&5
 if eval "test \"`echo '$''{'ac_cv_mingw32'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1436 "configure"
+#line 1432 "configure"
 #include "confdefs.h"
 
 int main() {
 return __MINGW32__;
 ; return 0; }
 EOF
-if { (eval echo configure:1443: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1439: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_mingw32=yes
 else
@@ -1458,7 +1454,7 @@ test "$ac_cv_mingw32" = yes && MINGW32=yes
 
 
 echo $ac_n "checking for executable suffix""... $ac_c" 1>&6
-echo "configure:1462: checking for executable suffix" >&5
+echo "configure:1458: checking for executable suffix" >&5
 if eval "test \"`echo '$''{'ac_cv_exeext'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1468,7 +1464,7 @@ else
   rm -f conftest*
   echo 'int main () { return 0; }' > conftest.$ac_ext
   ac_cv_exeext=
-  if { (eval echo configure:1472: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
+  if { (eval echo configure:1468: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
     for file in conftest.*; do
       case $file in
       *.c | *.o | *.obj) ;;
@@ -1489,7 +1485,7 @@ echo "$ac_t""${ac_cv_exeext}" 1>&6
 ac_exeext=$EXEEXT
 
 echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
-echo "configure:1493: checking how to run the C preprocessor" >&5
+echo "configure:1489: checking how to run the C preprocessor" >&5
 # On Suns, sometimes $CPP names a directory.
 if test -n "$CPP" && test -d "$CPP"; then
   CPP=
@@ -1504,13 +1500,13 @@ else
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp.
   cat > conftest.$ac_ext <<EOF
-#line 1508 "configure"
+#line 1504 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1514: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1510: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -1521,13 +1517,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -E -traditional-cpp"
   cat > conftest.$ac_ext <<EOF
-#line 1525 "configure"
+#line 1521 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1531: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1527: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -1538,13 +1534,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -nologo -E"
   cat > conftest.$ac_ext <<EOF
-#line 1542 "configure"
+#line 1538 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1548: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1544: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -1570,13 +1566,13 @@ echo "$ac_t""$CPP" 1>&6
 
 if test $ac_cv_prog_gcc = yes; then
     echo $ac_n "checking whether ${CC-cc} needs -traditional""... $ac_c" 1>&6
-echo "configure:1574: checking whether ${CC-cc} needs -traditional" >&5
+echo "configure:1570: checking whether ${CC-cc} needs -traditional" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc_traditional'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
     ac_pattern="Autoconf.*'x'"
   cat > conftest.$ac_ext <<EOF
-#line 1580 "configure"
+#line 1576 "configure"
 #include "confdefs.h"
 #include <sgtty.h>
 Autoconf TIOCGETP
@@ -1594,7 +1590,7 @@ rm -f conftest*
 
   if test $ac_cv_prog_gcc_traditional = no; then
     cat > conftest.$ac_ext <<EOF
-#line 1598 "configure"
+#line 1594 "configure"
 #include "confdefs.h"
 #include <termio.h>
 Autoconf TCGETA
@@ -1716,7 +1712,7 @@ IFS=$ac_save_IFS
 # Tcl/Tk
 #
 echo $ac_n "checking whether to build with Tcl""... $ac_c" 1>&6
-echo "configure:1720: checking whether to build with Tcl" >&5
+echo "configure:1716: checking whether to build with Tcl" >&5
 # Check whether --with-tcl was given
 if test x"${with_tcl+set}" = xset; then
   case $with_tcl in
@@ -1740,7 +1736,7 @@ echo "$ac_t""$with_tcl" 1>&6
 
 # If Tcl is enabled (above) then Tk is also, unless the user disables it using --without-tk
 echo $ac_n "checking whether to build with Tk""... $ac_c" 1>&6
-echo "configure:1744: checking whether to build with Tk" >&5
+echo "configure:1740: checking whether to build with Tk" >&5
 if test "$with_tcl" = yes; then
   # Check whether --with-tk was given
 if test x"${with_tk+set}" = xset; then
@@ -1802,7 +1798,7 @@ fi
 # Optionally build Perl modules (Pg.pm and PL/Perl)
 #
 echo $ac_n "checking whether to build Perl modules""... $ac_c" 1>&6
-echo "configure:1806: checking whether to build Perl modules" >&5
+echo "configure:1802: checking whether to build Perl modules" >&5
 # Check whether --with-perl was given
 if test x"${with_perl+set}" = xset; then
   case $with_perl in
@@ -1829,7 +1825,7 @@ echo "$ac_t""$with_perl" 1>&6
 # Optionally build Python interface module
 #
 echo $ac_n "checking whether to build Python modules""... $ac_c" 1>&6
-echo "configure:1833: checking whether to build Python modules" >&5
+echo "configure:1829: checking whether to build Python modules" >&5
 # Check whether --with-python was given
 if test x"${with_python+set}" = xset; then
   case $with_python in
@@ -1838,7 +1834,7 @@ if test x"${with_python+set}" = xset; then
 # Extract the first word of "python", so it can be a program name with args.
 set dummy python; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1842: checking for $ac_word" >&5
+echo "configure:1838: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_PYTHON'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1874,7 +1870,7 @@ if test "${PYTHON+set}" = set ; then
   python_extmakefile="${python_configdir}/Makefile.pre.in"
 
   echo $ac_n "checking for Python extension makefile""... $ac_c" 1>&6
-echo "configure:1878: checking for Python extension makefile" >&5
+echo "configure:1874: checking for Python extension makefile" >&5
   if test -f "${python_extmakefile}" ; then
     echo "$ac_t""found" 1>&6
   else
@@ -2084,7 +2080,7 @@ if test "${with_odbc+set}" = set && test "${enable_odbc+set}" != set; then
 fi
  
 echo $ac_n "checking whether to build the ODBC driver""... $ac_c" 1>&6
-echo "configure:2088: checking whether to build the ODBC driver" >&5
+echo "configure:2084: checking whether to build the ODBC driver" >&5
 # Check whether --enable-odbc was given
 if test x"${enable_odbc+set}" = xset; then
   case $enable_odbc in
@@ -2137,7 +2133,7 @@ case $host_os in
 esac
 
 cat > conftest.$ac_ext <<EOF
-#line 2141 "configure"
+#line 2137 "configure"
 #include "confdefs.h"
 #if __ELF__
   yes
@@ -2166,7 +2162,7 @@ rm -f conftest*
 # Optionally build C++ code (i.e., libpq++)
 #
 echo $ac_n "checking whether to build C++ modules""... $ac_c" 1>&6
-echo "configure:2170: checking whether to build C++ modules" >&5
+echo "configure:2166: checking whether to build C++ modules" >&5
 # Check whether --with-CXX was given
 if test x"${with_CXX+set}" = xset; then
   case $with_CXX in
@@ -2199,7 +2195,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2203: checking for $ac_word" >&5
+echo "configure:2199: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CXX'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2231,7 +2227,7 @@ test -n "$CXX" || CXX="gcc"
 
 
 echo $ac_n "checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:2235: checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works" >&5
+echo "configure:2231: checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works" >&5
 
 ac_ext=C
 # CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
@@ -2242,12 +2238,12 @@ cross_compiling=$ac_cv_prog_cxx_cross
 
 cat > conftest.$ac_ext << EOF
 
-#line 2246 "configure"
+#line 2242 "configure"
 #include "confdefs.h"
 
 int main(){return(0);}
 EOF
-if { (eval echo configure:2251: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2247: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   ac_cv_prog_cxx_works=yes
   # If we can't run a trivial program, we are probably using a cross compiler.
   if (./conftest; exit) 2>/dev/null; then
@@ -2273,12 +2269,12 @@ if test $ac_cv_prog_cxx_works = no; then
   { echo "configure: error: installation or configuration problem: C++ compiler cannot create executables." 1>&2; exit 1; }
 fi
 echo $ac_n "checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
-echo "configure:2277: checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:2273: checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) is a cross-compiler" >&5
 echo "$ac_t""$ac_cv_prog_cxx_cross" 1>&6
 cross_compiling=$ac_cv_prog_cxx_cross
 
 echo $ac_n "checking whether we are using GNU C++""... $ac_c" 1>&6
-echo "configure:2282: checking whether we are using GNU C++" >&5
+echo "configure:2278: checking whether we are using GNU C++" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gxx'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2287,7 +2283,7 @@ else
   yes;
 #endif
 EOF
-if { ac_try='${CXX-g++} -E conftest.C'; { (eval echo configure:2291: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
+if { ac_try='${CXX-g++} -E conftest.C'; { (eval echo configure:2287: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gxx=yes
 else
   ac_cv_prog_gxx=no
@@ -2306,7 +2302,7 @@ ac_test_CXXFLAGS="${CXXFLAGS+set}"
 ac_save_CXXFLAGS="$CXXFLAGS"
 CXXFLAGS=
 echo $ac_n "checking whether ${CXX-g++} accepts -g""... $ac_c" 1>&6
-echo "configure:2310: checking whether ${CXX-g++} accepts -g" >&5
+echo "configure:2306: checking whether ${CXX-g++} accepts -g" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_cxx_g'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2354,7 +2350,7 @@ fi
   echo "using CXXFLAGS=$CXXFLAGS"
 
   echo $ac_n "checking how to run the C++ preprocessor""... $ac_c" 1>&6
-echo "configure:2358: checking how to run the C++ preprocessor" >&5
+echo "configure:2354: checking how to run the C++ preprocessor" >&5
 if test -z "$CXXCPP"; then
 if eval "test \"`echo '$''{'ac_cv_prog_CXXCPP'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2367,12 +2363,12 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
   CXXCPP="${CXX-g++} -E"
   cat > conftest.$ac_ext <<EOF
-#line 2371 "configure"
+#line 2367 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2376: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2372: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -2407,17 +2403,17 @@ cross_compiling=$ac_cv_prog_cxx_cross
 
 ac_safe=`echo "string" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for string""... $ac_c" 1>&6
-echo "configure:2411: checking for string" >&5
+echo "configure:2407: checking for string" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2416 "configure"
+#line 2412 "configure"
 #include "confdefs.h"
 #include <string>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2421: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2417: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -2444,12 +2440,12 @@ fi
 
 if test x"$ac_cv_header_string" != xyes ; then
   echo $ac_n "checking for class string in <string.h>""... $ac_c" 1>&6
-echo "configure:2448: checking for class string in <string.h>" >&5
+echo "configure:2444: checking for class string in <string.h>" >&5
 if eval "test \"`echo '$''{'pgac_cv_class_string_in_string_h'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2453 "configure"
+#line 2449 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 #include <stdlib.h>
@@ -2459,7 +2455,7 @@ int main() {
 string foo = "test"
 ; return 0; }
 EOF
-if { (eval echo configure:2463: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2459: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   pgac_cv_class_string_in_string_h=yes
 else
@@ -2486,7 +2482,7 @@ cross_compiling=$ac_cv_prog_cc_cross
 
   
 echo $ac_n "checking for namespace std in C++""... $ac_c" 1>&6
-echo "configure:2490: checking for namespace std in C++" >&5
+echo "configure:2486: checking for namespace std in C++" >&5
 if eval "test \"`echo '$''{'pgac_cv_cxx_namespace_std'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2500,7 +2496,7 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
 cat > conftest.$ac_ext <<EOF
-#line 2504 "configure"
+#line 2500 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 #include <stdlib.h>
@@ -2513,7 +2509,7 @@ int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:2517: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2513: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   pgac_cv_cxx_namespace_std=yes
 else
@@ -2568,7 +2564,7 @@ echo "using LDFLAGS=$LDFLAGS"
 # SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
 # ./install, which can be erroneously created by make from ./install.sh.
 echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&6
-echo "configure:2572: checking for a BSD compatible install" >&5
+echo "configure:2568: checking for a BSD compatible install" >&5
 if test -z "$INSTALL"; then
 if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2641,12 +2637,12 @@ INSTALL_SHLIB="\${INSTALL} $INSTL_SHLIB_OPTS"
 
 
 
-for ac_prog in gawk mawk nawk awk
+for ac_prog in mawk gawk nawk awk
 do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2650: checking for $ac_word" >&5
+echo "configure:2646: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AWK'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2676,7 +2672,7 @@ test -n "$AWK" && break
 done
 
 echo $ac_n "checking for flex""... $ac_c" 1>&6
-echo "configure:2680: checking for flex" >&5
+echo "configure:2676: checking for flex" >&5
 if eval "test \"`echo '$''{'pgac_cv_path_flex'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2741,7 +2737,7 @@ fi
 
 
 echo $ac_n "checking whether ln -s works""... $ac_c" 1>&6
-echo "configure:2745: checking whether ln -s works" >&5
+echo "configure:2741: checking whether ln -s works" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_LN_S'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2773,7 +2769,7 @@ ac_prog=ld
 if test "$ac_cv_prog_gcc" = yes; then
   # Check if gcc -print-prog-name=ld gives a path.
   echo $ac_n "checking for ld used by GCC""... $ac_c" 1>&6
-echo "configure:2777: checking for ld used by GCC" >&5
+echo "configure:2773: checking for ld used by GCC" >&5
   case $host in
   *-*-mingw*)
     # gcc leaves a trailing carriage return which upsets mingw
@@ -2803,10 +2799,10 @@ echo "configure:2777: checking for ld used by GCC" >&5
   esac
 elif test "$with_gnu_ld" = yes; then
   echo $ac_n "checking for GNU ld""... $ac_c" 1>&6
-echo "configure:2807: checking for GNU ld" >&5
+echo "configure:2803: checking for GNU ld" >&5
 else
   echo $ac_n "checking for non-GNU ld""... $ac_c" 1>&6
-echo "configure:2810: checking for non-GNU ld" >&5
+echo "configure:2806: checking for non-GNU ld" >&5
 fi
 if eval "test \"`echo '$''{'ac_cv_path_LD'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2841,7 +2837,7 @@ else
 fi
 test -z "$LD" && { echo "configure: error: no acceptable ld found in \$PATH" 1>&2; exit 1; }
 echo $ac_n "checking if the linker ($LD) is GNU ld""... $ac_c" 1>&6
-echo "configure:2845: checking if the linker ($LD) is GNU ld" >&5
+echo "configure:2841: checking if the linker ($LD) is GNU ld" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gnu_ld'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2861,21 +2857,21 @@ with_gnu_ld=$ac_cv_prog_gnu_ld
 
 case $host_os in sysv5uw*)
   echo $ac_n "checking whether ld -R works""... $ac_c" 1>&6
-echo "configure:2865: checking whether ld -R works" >&5
+echo "configure:2861: checking whether ld -R works" >&5
 if eval "test \"`echo '$''{'pgac_cv_prog_ld_R'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
     pgac_save_LDFLAGS=$LDFLAGS; LDFLAGS="$LDFLAGS -Wl,-R/usr/lib"
     cat > conftest.$ac_ext <<EOF
-#line 2872 "configure"
+#line 2868 "configure"
 #include "confdefs.h"
 
 int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:2879: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2875: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   pgac_cv_prog_ld_R=yes
 else
@@ -2896,7 +2892,7 @@ esac
 # Extract the first word of "ranlib", so it can be a program name with args.
 set dummy ranlib; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2900: checking for $ac_word" >&5
+echo "configure:2896: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2928,7 +2924,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2932: checking for $ac_word" >&5
+echo "configure:2928: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_LORDER'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2960,7 +2956,7 @@ done
 # Extract the first word of "tar", so it can be a program name with args.
 set dummy tar; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2964: checking for $ac_word" >&5
+echo "configure:2960: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_TAR'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2997,7 +2993,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3001: checking for $ac_word" >&5
+echo "configure:2997: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_PERL'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3032,7 +3028,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3036: checking for $ac_word" >&5
+echo "configure:3032: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_YACC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3077,7 +3073,7 @@ if test "$with_tk" = yes; then
     # Extract the first word of "wish", so it can be a program name with args.
 set dummy wish; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3081: checking for $ac_word" >&5
+echo "configure:3077: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_WISH'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3118,7 +3114,7 @@ fi
 ##
 
 echo $ac_n "checking for main in -lsfio""... $ac_c" 1>&6
-echo "configure:3122: checking for main in -lsfio" >&5
+echo "configure:3118: checking for main in -lsfio" >&5
 ac_lib_var=`echo sfio'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3126,14 +3122,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lsfio  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3130 "configure"
+#line 3126 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:3137: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3133: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3161,7 +3157,7 @@ else
 fi
 
 echo $ac_n "checking for readline""... $ac_c" 1>&6
-echo "configure:3165: checking for readline" >&5
+echo "configure:3161: checking for readline" >&5
 
 if eval "test \"`echo '$''{'pgac_cv_check_readline'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3172,7 +3168,7 @@ for pgac_lib in "" " -ltermcap" " -lncurses" " -lcurses" ; do
     pgac_save_LIBS=$LIBS
     LIBS="${pgac_rllib}${pgac_lib} $LIBS"
     cat > conftest.$ac_ext <<EOF
-#line 3176 "configure"
+#line 3172 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -3183,7 +3179,7 @@ int main() {
 readline()
 ; return 0; }
 EOF
-if { (eval echo configure:3187: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3183: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   pgac_cv_check_readline="${pgac_rllib}${pgac_lib}"; break 2
 else
@@ -3210,14 +3206,14 @@ else
 fi
 
 echo $ac_n "checking for library containing using_history""... $ac_c" 1>&6
-echo "configure:3214: checking for library containing using_history" >&5
+echo "configure:3210: checking for library containing using_history" >&5
 if eval "test \"`echo '$''{'ac_cv_search_using_history'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_func_search_save_LIBS="$LIBS"
 ac_cv_search_using_history="no"
 cat > conftest.$ac_ext <<EOF
-#line 3221 "configure"
+#line 3217 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -3228,7 +3224,7 @@ int main() {
 using_history()
 ; return 0; }
 EOF
-if { (eval echo configure:3232: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3228: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_cv_search_using_history="none required"
 else
@@ -3239,7 +3235,7 @@ rm -f conftest*
 test "$ac_cv_search_using_history" = "no" && for i in history; do
 LIBS="-l$i  $ac_func_search_save_LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3243 "configure"
+#line 3239 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -3250,7 +3246,7 @@ int main() {
 using_history()
 ; return 0; }
 EOF
-if { (eval echo configure:3254: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3250: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_cv_search_using_history="-l$i"
 break
@@ -3277,7 +3273,7 @@ fi
 if test "$PORTNAME" != "aix" -a "$PORTNAME" != "alpha"
 then
 	echo $ac_n "checking for main in -lbsd""... $ac_c" 1>&6
-echo "configure:3281: checking for main in -lbsd" >&5
+echo "configure:3277: checking for main in -lbsd" >&5
 ac_lib_var=`echo bsd'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3285,14 +3281,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lbsd  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3289 "configure"
+#line 3285 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:3296: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3292: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3321,7 +3317,7 @@ fi
 
 fi
 echo $ac_n "checking for setproctitle in -lutil""... $ac_c" 1>&6
-echo "configure:3325: checking for setproctitle in -lutil" >&5
+echo "configure:3321: checking for setproctitle in -lutil" >&5
 ac_lib_var=`echo util'_'setproctitle | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3329,7 +3325,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lutil  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3333 "configure"
+#line 3329 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -3340,7 +3336,7 @@ int main() {
 setproctitle()
 ; return 0; }
 EOF
-if { (eval echo configure:3344: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3340: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3368,7 +3364,7 @@ else
 fi
 
 echo $ac_n "checking for main in -lm""... $ac_c" 1>&6
-echo "configure:3372: checking for main in -lm" >&5
+echo "configure:3368: checking for main in -lm" >&5
 ac_lib_var=`echo m'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3376,14 +3372,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lm  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3380 "configure"
+#line 3376 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:3387: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3383: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3411,7 +3407,7 @@ else
 fi
 
 echo $ac_n "checking for main in -ldl""... $ac_c" 1>&6
-echo "configure:3415: checking for main in -ldl" >&5
+echo "configure:3411: checking for main in -ldl" >&5
 ac_lib_var=`echo dl'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3419,14 +3415,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3423 "configure"
+#line 3419 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:3430: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3426: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3454,7 +3450,7 @@ else
 fi
 
 echo $ac_n "checking for main in -lsocket""... $ac_c" 1>&6
-echo "configure:3458: checking for main in -lsocket" >&5
+echo "configure:3454: checking for main in -lsocket" >&5
 ac_lib_var=`echo socket'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3462,14 +3458,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lsocket  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3466 "configure"
+#line 3462 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:3473: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3469: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3497,7 +3493,7 @@ else
 fi
 
 echo $ac_n "checking for main in -lnsl""... $ac_c" 1>&6
-echo "configure:3501: checking for main in -lnsl" >&5
+echo "configure:3497: checking for main in -lnsl" >&5
 ac_lib_var=`echo nsl'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3505,14 +3501,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lnsl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3509 "configure"
+#line 3505 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:3516: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3512: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3540,7 +3536,7 @@ else
 fi
 
 echo $ac_n "checking for main in -lipc""... $ac_c" 1>&6
-echo "configure:3544: checking for main in -lipc" >&5
+echo "configure:3540: checking for main in -lipc" >&5
 ac_lib_var=`echo ipc'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3548,14 +3544,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lipc  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3552 "configure"
+#line 3548 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:3559: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3555: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3583,7 +3579,7 @@ else
 fi
 
 echo $ac_n "checking for main in -lIPC""... $ac_c" 1>&6
-echo "configure:3587: checking for main in -lIPC" >&5
+echo "configure:3583: checking for main in -lIPC" >&5
 ac_lib_var=`echo IPC'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3591,14 +3587,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lIPC  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3595 "configure"
+#line 3591 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:3602: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3598: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3626,7 +3622,7 @@ else
 fi
 
 echo $ac_n "checking for main in -llc""... $ac_c" 1>&6
-echo "configure:3630: checking for main in -llc" >&5
+echo "configure:3626: checking for main in -llc" >&5
 ac_lib_var=`echo lc'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3634,14 +3630,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-llc  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3638 "configure"
+#line 3634 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:3645: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3641: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3669,7 +3665,7 @@ else
 fi
 
 echo $ac_n "checking for main in -ldld""... $ac_c" 1>&6
-echo "configure:3673: checking for main in -ldld" >&5
+echo "configure:3669: checking for main in -ldld" >&5
 ac_lib_var=`echo dld'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3677,14 +3673,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldld  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3681 "configure"
+#line 3677 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:3688: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3684: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3712,7 +3708,7 @@ else
 fi
 
 echo $ac_n "checking for main in -lld""... $ac_c" 1>&6
-echo "configure:3716: checking for main in -lld" >&5
+echo "configure:3712: checking for main in -lld" >&5
 ac_lib_var=`echo ld'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3720,14 +3716,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lld  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3724 "configure"
+#line 3720 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:3731: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3727: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3755,7 +3751,7 @@ else
 fi
 
 echo $ac_n "checking for main in -lcompat""... $ac_c" 1>&6
-echo "configure:3759: checking for main in -lcompat" >&5
+echo "configure:3755: checking for main in -lcompat" >&5
 ac_lib_var=`echo compat'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3763,14 +3759,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lcompat  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3767 "configure"
+#line 3763 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:3774: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3770: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3798,7 +3794,7 @@ else
 fi
 
 echo $ac_n "checking for main in -lBSD""... $ac_c" 1>&6
-echo "configure:3802: checking for main in -lBSD" >&5
+echo "configure:3798: checking for main in -lBSD" >&5
 ac_lib_var=`echo BSD'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3806,14 +3802,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lBSD  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3810 "configure"
+#line 3806 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:3817: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3813: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3841,7 +3837,7 @@ else
 fi
 
 echo $ac_n "checking for main in -lgen""... $ac_c" 1>&6
-echo "configure:3845: checking for main in -lgen" >&5
+echo "configure:3841: checking for main in -lgen" >&5
 ac_lib_var=`echo gen'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3849,14 +3845,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lgen  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3853 "configure"
+#line 3849 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:3860: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3856: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3884,7 +3880,7 @@ else
 fi
 
 echo $ac_n "checking for main in -lPW""... $ac_c" 1>&6
-echo "configure:3888: checking for main in -lPW" >&5
+echo "configure:3884: checking for main in -lPW" >&5
 ac_lib_var=`echo PW'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3892,14 +3888,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lPW  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3896 "configure"
+#line 3892 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:3903: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3899: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3927,7 +3923,7 @@ else
 fi
 
 echo $ac_n "checking for main in -lresolv""... $ac_c" 1>&6
-echo "configure:3931: checking for main in -lresolv" >&5
+echo "configure:3927: checking for main in -lresolv" >&5
 ac_lib_var=`echo resolv'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3935,14 +3931,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lresolv  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3939 "configure"
+#line 3935 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:3946: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3942: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3969,16 +3965,59 @@ else
   echo "$ac_t""no" 1>&6
 fi
 
+echo $ac_n "checking for main in -lunix""... $ac_c" 1>&6
+echo "configure:3970: checking for main in -lunix" >&5
+ac_lib_var=`echo unix'_'main | sed 'y%./+-%__p_%'`
+if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  ac_save_LIBS="$LIBS"
+LIBS="-lunix  $LIBS"
+cat > conftest.$ac_ext <<EOF
+#line 3978 "configure"
+#include "confdefs.h"
+
+int main() {
+main()
+; return 0; }
+EOF
+if { (eval echo configure:3985: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_lib_$ac_lib_var=no"
+fi
+rm -f conftest*
+LIBS="$ac_save_LIBS"
+
+fi
+if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+    ac_tr_lib=HAVE_LIB`echo [unix] | sed -e 's/[^a-zA-Z0-9_]/_/g' \
+    -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
+  cat >> confdefs.h <<EOF
+#define $ac_tr_lib 1
+EOF
+
+  LIBS="-lunix $LIBS"
+
+else
+  echo "$ac_t""no" 1>&6
+fi
+
 
 echo $ac_n "checking for library containing crypt""... $ac_c" 1>&6
-echo "configure:3975: checking for library containing crypt" >&5
+echo "configure:4014: checking for library containing crypt" >&5
 if eval "test \"`echo '$''{'ac_cv_search_crypt'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_func_search_save_LIBS="$LIBS"
 ac_cv_search_crypt="no"
 cat > conftest.$ac_ext <<EOF
-#line 3982 "configure"
+#line 4021 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -3989,7 +4028,7 @@ int main() {
 crypt()
 ; return 0; }
 EOF
-if { (eval echo configure:3993: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4032: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_cv_search_crypt="none required"
 else
@@ -4000,7 +4039,7 @@ rm -f conftest*
 test "$ac_cv_search_crypt" = "no" && for i in crypt; do
 LIBS="-l$i  $ac_func_search_save_LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4004 "configure"
+#line 4043 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -4011,7 +4050,7 @@ int main() {
 crypt()
 ; return 0; }
 EOF
-if { (eval echo configure:4015: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4054: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_cv_search_crypt="-l$i"
 break
@@ -4032,7 +4071,7 @@ else :
   
 fi
 echo $ac_n "checking for __inet_ntoa in -lbind""... $ac_c" 1>&6
-echo "configure:4036: checking for __inet_ntoa in -lbind" >&5
+echo "configure:4075: checking for __inet_ntoa in -lbind" >&5
 ac_lib_var=`echo bind'_'__inet_ntoa | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4040,7 +4079,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lbind  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4044 "configure"
+#line 4083 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -4051,7 +4090,7 @@ int main() {
 __inet_ntoa()
 ; return 0; }
 EOF
-if { (eval echo configure:4055: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4094: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -4080,17 +4119,17 @@ fi
 
 ac_safe=`echo "zlib.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for zlib.h""... $ac_c" 1>&6
-echo "configure:4084: checking for zlib.h" >&5
+echo "configure:4123: checking for zlib.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4089 "configure"
+#line 4128 "configure"
 #include "confdefs.h"
 #include <zlib.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4094: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4133: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -4108,7 +4147,7 @@ if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
   echo "$ac_t""yes" 1>&6
   
 echo $ac_n "checking for inflate in -lz""... $ac_c" 1>&6
-echo "configure:4112: checking for inflate in -lz" >&5
+echo "configure:4151: checking for inflate in -lz" >&5
 ac_lib_var=`echo z'_'inflate | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4116,7 +4155,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lz  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4120 "configure"
+#line 4159 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -4127,7 +4166,7 @@ int main() {
 inflate()
 ; return 0; }
 EOF
-if { (eval echo configure:4131: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4170: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -4163,7 +4202,7 @@ fi
 
 if test "$with_krb4" = yes ; then
   echo $ac_n "checking for des_encrypt in -ldes""... $ac_c" 1>&6
-echo "configure:4167: checking for des_encrypt in -ldes" >&5
+echo "configure:4206: checking for des_encrypt in -ldes" >&5
 ac_lib_var=`echo des'_'des_encrypt | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4171,7 +4210,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldes  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4175 "configure"
+#line 4214 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -4182,7 +4221,7 @@ int main() {
 des_encrypt()
 ; return 0; }
 EOF
-if { (eval echo configure:4186: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4225: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -4211,7 +4250,7 @@ else
 fi
 
   echo $ac_n "checking for krb_sendauth in -lkrb""... $ac_c" 1>&6
-echo "configure:4215: checking for krb_sendauth in -lkrb" >&5
+echo "configure:4254: checking for krb_sendauth in -lkrb" >&5
 ac_lib_var=`echo krb'_'krb_sendauth | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4219,7 +4258,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lkrb  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4223 "configure"
+#line 4262 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -4230,7 +4269,7 @@ int main() {
 krb_sendauth()
 ; return 0; }
 EOF
-if { (eval echo configure:4234: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4273: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -4262,7 +4301,7 @@ fi
 
 if test "$with_krb5" = yes ; then
   echo $ac_n "checking for com_err in -lcom_err""... $ac_c" 1>&6
-echo "configure:4266: checking for com_err in -lcom_err" >&5
+echo "configure:4305: checking for com_err in -lcom_err" >&5
 ac_lib_var=`echo com_err'_'com_err | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4270,7 +4309,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lcom_err  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4274 "configure"
+#line 4313 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -4281,7 +4320,7 @@ int main() {
 com_err()
 ; return 0; }
 EOF
-if { (eval echo configure:4285: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4324: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -4310,7 +4349,7 @@ else
 fi
 
   echo $ac_n "checking for krb5_encrypt in -lcrypto""... $ac_c" 1>&6
-echo "configure:4314: checking for krb5_encrypt in -lcrypto" >&5
+echo "configure:4353: checking for krb5_encrypt in -lcrypto" >&5
 ac_lib_var=`echo crypto'_'krb5_encrypt | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4318,7 +4357,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lcrypto  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4322 "configure"
+#line 4361 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -4329,7 +4368,7 @@ int main() {
 krb5_encrypt()
 ; return 0; }
 EOF
-if { (eval echo configure:4333: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4372: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -4355,7 +4394,7 @@ EOF
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for krb5_encrypt in -lk5crypto""... $ac_c" 1>&6
-echo "configure:4359: checking for krb5_encrypt in -lk5crypto" >&5
+echo "configure:4398: checking for krb5_encrypt in -lk5crypto" >&5
 ac_lib_var=`echo k5crypto'_'krb5_encrypt | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4363,7 +4402,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lk5crypto  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4367 "configure"
+#line 4406 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -4374,7 +4413,7 @@ int main() {
 krb5_encrypt()
 ; return 0; }
 EOF
-if { (eval echo configure:4378: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4417: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -4405,7 +4444,7 @@ fi
 fi
 
   echo $ac_n "checking for krb5_sendauth in -lkrb5""... $ac_c" 1>&6
-echo "configure:4409: checking for krb5_sendauth in -lkrb5" >&5
+echo "configure:4448: checking for krb5_sendauth in -lkrb5" >&5
 ac_lib_var=`echo krb5'_'krb5_sendauth | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4413,7 +4452,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lkrb5  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4417 "configure"
+#line 4456 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -4424,7 +4463,7 @@ int main() {
 krb5_sendauth()
 ; return 0; }
 EOF
-if { (eval echo configure:4428: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4467: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -4456,7 +4495,7 @@ fi
 
 if test "$with_openssl" = yes ; then
     echo $ac_n "checking for CRYPTO_new_ex_data in -lcrypto""... $ac_c" 1>&6
-echo "configure:4460: checking for CRYPTO_new_ex_data in -lcrypto" >&5
+echo "configure:4499: checking for CRYPTO_new_ex_data in -lcrypto" >&5
 ac_lib_var=`echo crypto'_'CRYPTO_new_ex_data | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4464,7 +4503,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lcrypto  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4468 "configure"
+#line 4507 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -4475,7 +4514,7 @@ int main() {
 CRYPTO_new_ex_data()
 ; return 0; }
 EOF
-if { (eval echo configure:4479: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4518: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -4504,7 +4543,7 @@ else
 fi
 
   echo $ac_n "checking for SSL_library_init in -lssl""... $ac_c" 1>&6
-echo "configure:4508: checking for SSL_library_init in -lssl" >&5
+echo "configure:4547: checking for SSL_library_init in -lssl" >&5
 ac_lib_var=`echo ssl'_'SSL_library_init | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4512,7 +4551,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lssl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4516 "configure"
+#line 4555 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -4523,7 +4562,7 @@ int main() {
 SSL_library_init()
 ; return 0; }
 EOF
-if { (eval echo configure:4527: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4566: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -4561,17 +4600,17 @@ for ac_hdr in crypt.h dld.h endian.h fp_class.h getopt.h ieeefp.h pwd.h sys/ipc.
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:4565: checking for $ac_hdr" >&5
+echo "configure:4604: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4570 "configure"
+#line 4609 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4575: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4614: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -4602,17 +4641,17 @@ for ac_hdr in netinet/in.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:4606: checking for $ac_hdr" >&5
+echo "configure:4645: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4611 "configure"
+#line 4650 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4616: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4655: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -4639,9 +4678,9 @@ fi
 done
 
 echo $ac_n "checking for netinet/tcp.h""... $ac_c" 1>&6
-echo "configure:4643: checking for netinet/tcp.h" >&5
+echo "configure:4682: checking for netinet/tcp.h" >&5
 cat > conftest.$ac_ext <<EOF
-#line 4645 "configure"
+#line 4684 "configure"
 #include "confdefs.h"
 
 #ifdef HAVE_NETINET_IN_H
@@ -4651,7 +4690,7 @@ cat > conftest.$ac_ext <<EOF
 
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4655: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4694: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -4669,24 +4708,24 @@ fi
 rm -f conftest*
 
 echo $ac_n "checking whether string.h and strings.h may both be included""... $ac_c" 1>&6
-echo "configure:4673: checking whether string.h and strings.h may both be included" >&5
+echo "configure:4712: checking whether string.h and strings.h may both be included" >&5
 if eval "test \"`echo '$''{'pgac_cv_header_strings_both'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4678 "configure"
+#line 4717 "configure"
 #include "confdefs.h"
 #include <string.h>
 #include <strings.h>
 
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4685: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4724: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
   cat > conftest.$ac_ext <<EOF
-#line 4690 "configure"
+#line 4729 "configure"
 #include "confdefs.h"
 #include <string.h>
 #include <strings.h>
@@ -4695,7 +4734,7 @@ int main() {
 int n = strcasecmp("a", "b");
 ; return 0; }
 EOF
-if { (eval echo configure:4699: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4738: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   pgac_cv_header_strings_both=yes
 else
@@ -4727,17 +4766,17 @@ for ac_hdr in readline/readline.h readline.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:4731: checking for $ac_hdr" >&5
+echo "configure:4770: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4736 "configure"
+#line 4775 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4741: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4780: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -4767,17 +4806,17 @@ for ac_hdr in readline/history.h history.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:4771: checking for $ac_hdr" >&5
+echo "configure:4810: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4776 "configure"
+#line 4815 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4781: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4820: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -4807,17 +4846,17 @@ done
 if test "$with_krb4" = yes ; then
   ac_safe=`echo "krb.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for krb.h""... $ac_c" 1>&6
-echo "configure:4811: checking for krb.h" >&5
+echo "configure:4850: checking for krb.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4816 "configure"
+#line 4855 "configure"
 #include "confdefs.h"
 #include <krb.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4821: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4860: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -4844,17 +4883,17 @@ fi
 if test "$with_krb5" = yes ; then
   ac_safe=`echo "krb5.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for krb5.h""... $ac_c" 1>&6
-echo "configure:4848: checking for krb5.h" >&5
+echo "configure:4887: checking for krb5.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4853 "configure"
+#line 4892 "configure"
 #include "confdefs.h"
 #include <krb5.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4858: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4897: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -4878,17 +4917,17 @@ fi
 
   ac_safe=`echo "com_err.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for com_err.h""... $ac_c" 1>&6
-echo "configure:4882: checking for com_err.h" >&5
+echo "configure:4921: checking for com_err.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4887 "configure"
+#line 4926 "configure"
 #include "confdefs.h"
 #include <com_err.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4892: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4931: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -4915,17 +4954,17 @@ fi
 if test "$with_openssl" = yes ; then
   ac_safe=`echo "openssl/ssl.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for openssl/ssl.h""... $ac_c" 1>&6
-echo "configure:4919: checking for openssl/ssl.h" >&5
+echo "configure:4958: checking for openssl/ssl.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4924 "configure"
+#line 4963 "configure"
 #include "confdefs.h"
 #include <openssl/ssl.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4929: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:4968: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -4949,17 +4988,17 @@ fi
 
   ac_safe=`echo "openssl/err.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for openssl/err.h""... $ac_c" 1>&6
-echo "configure:4953: checking for openssl/err.h" >&5
+echo "configure:4992: checking for openssl/err.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4958 "configure"
+#line 4997 "configure"
 #include "confdefs.h"
 #include <openssl/err.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4963: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5002: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -4988,18 +5027,18 @@ fi
 ## Types, structures, compiler characteristics
 ##
 echo $ac_n "checking for working const""... $ac_c" 1>&6
-echo "configure:4992: checking for working const" >&5
+echo "configure:5031: checking for working const" >&5
 if eval "test \"`echo '$''{'ac_cv_c_const'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4997 "configure"
+#line 5036 "configure"
 #include "confdefs.h"
 
 int main() {
 
 /* Ultrix mips cc rejects this.  */
-typedef int charset[2]; const charset x={0,0};
+typedef int charset[2]; const charset x;
 /* SunOS 4.1.1 cc rejects this.  */
 char const *const *ccp;
 char **p;
@@ -5042,7 +5081,7 @@ ccp = (char const *const *) p;
 
 ; return 0; }
 EOF
-if { (eval echo configure:5046: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5085: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_const=yes
 else
@@ -5063,21 +5102,21 @@ EOF
 fi
 
 echo $ac_n "checking for inline""... $ac_c" 1>&6
-echo "configure:5067: checking for inline" >&5
+echo "configure:5106: checking for inline" >&5
 if eval "test \"`echo '$''{'ac_cv_c_inline'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_cv_c_inline=no
 for ac_kw in inline __inline__ __inline; do
   cat > conftest.$ac_ext <<EOF
-#line 5074 "configure"
+#line 5113 "configure"
 #include "confdefs.h"
 
 int main() {
-} $ac_kw int foo() {
+} $ac_kw foo() {
 ; return 0; }
 EOF
-if { (eval echo configure:5081: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5120: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_inline=$ac_kw; break
 else
@@ -5105,12 +5144,12 @@ esac
 
 
 echo $ac_n "checking for preprocessor stringizing operator""... $ac_c" 1>&6
-echo "configure:5109: checking for preprocessor stringizing operator" >&5
+echo "configure:5148: checking for preprocessor stringizing operator" >&5
 if eval "test \"`echo '$''{'ac_cv_c_stringize'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5114 "configure"
+#line 5153 "configure"
 #include "confdefs.h"
 
 #define x(y) #y
@@ -5140,19 +5179,19 @@ fi
 echo "$ac_t""${ac_cv_c_stringize}" 1>&6
 
 echo $ac_n "checking for signed types""... $ac_c" 1>&6
-echo "configure:5144: checking for signed types" >&5
+echo "configure:5183: checking for signed types" >&5
 if eval "test \"`echo '$''{'pgac_cv_c_signed'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5149 "configure"
+#line 5188 "configure"
 #include "confdefs.h"
 
 int main() {
 signed char c; signed short s; signed int i;
 ; return 0; }
 EOF
-if { (eval echo configure:5156: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5195: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   pgac_cv_c_signed=yes
 else
@@ -5172,19 +5211,19 @@ EOF
 
 fi
 echo $ac_n "checking for volatile""... $ac_c" 1>&6
-echo "configure:5176: checking for volatile" >&5
+echo "configure:5215: checking for volatile" >&5
 if eval "test \"`echo '$''{'pgac_cv_c_volatile'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5181 "configure"
+#line 5220 "configure"
 #include "confdefs.h"
 
 int main() {
 extern volatile int i;
 ; return 0; }
 EOF
-if { (eval echo configure:5188: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5227: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   pgac_cv_c_volatile=yes
 else
@@ -5204,12 +5243,12 @@ EOF
 
 fi
 echo $ac_n "checking whether struct tm is in sys/time.h or time.h""... $ac_c" 1>&6
-echo "configure:5208: checking whether struct tm is in sys/time.h or time.h" >&5
+echo "configure:5247: checking whether struct tm is in sys/time.h or time.h" >&5
 if eval "test \"`echo '$''{'ac_cv_struct_tm'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5213 "configure"
+#line 5252 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <time.h>
@@ -5217,7 +5256,7 @@ int main() {
 struct tm *tp; tp->tm_sec;
 ; return 0; }
 EOF
-if { (eval echo configure:5221: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5260: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_struct_tm=time.h
 else
@@ -5238,12 +5277,12 @@ EOF
 fi
 
 echo $ac_n "checking for tm_zone in struct tm""... $ac_c" 1>&6
-echo "configure:5242: checking for tm_zone in struct tm" >&5
+echo "configure:5281: checking for tm_zone in struct tm" >&5
 if eval "test \"`echo '$''{'ac_cv_struct_tm_zone'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5247 "configure"
+#line 5286 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <$ac_cv_struct_tm>
@@ -5251,7 +5290,7 @@ int main() {
 struct tm tm; tm.tm_zone;
 ; return 0; }
 EOF
-if { (eval echo configure:5255: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5294: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_struct_tm_zone=yes
 else
@@ -5271,12 +5310,12 @@ EOF
 
 else
   echo $ac_n "checking for tzname""... $ac_c" 1>&6
-echo "configure:5275: checking for tzname" >&5
+echo "configure:5314: checking for tzname" >&5
 if eval "test \"`echo '$''{'ac_cv_var_tzname'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5280 "configure"
+#line 5319 "configure"
 #include "confdefs.h"
 #include <time.h>
 #ifndef tzname /* For SGI.  */
@@ -5286,7 +5325,7 @@ int main() {
 atoi(*tzname);
 ; return 0; }
 EOF
-if { (eval echo configure:5290: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5329: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_cv_var_tzname=yes
 else
@@ -5308,12 +5347,12 @@ EOF
 fi
 
 echo $ac_n "checking for union semun""... $ac_c" 1>&6
-echo "configure:5312: checking for union semun" >&5
+echo "configure:5351: checking for union semun" >&5
 if eval "test \"`echo '$''{'pgac_cv_union_semun'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5317 "configure"
+#line 5356 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/ipc.h>
@@ -5322,7 +5361,7 @@ int main() {
 union semun semun;
 ; return 0; }
 EOF
-if { (eval echo configure:5326: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5365: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   pgac_cv_union_semun=yes
 else
@@ -5342,12 +5381,12 @@ EOF
 
 fi
 echo $ac_n "checking for struct sockaddr_un""... $ac_c" 1>&6
-echo "configure:5346: checking for struct sockaddr_un" >&5
+echo "configure:5385: checking for struct sockaddr_un" >&5
 if eval "test \"`echo '$''{'pgac_cv_struct_sockaddr_un'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5351 "configure"
+#line 5390 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #ifdef HAVE_SYS_UN_H
@@ -5357,7 +5396,7 @@ int main() {
 struct sockaddr_un un;
 ; return 0; }
 EOF
-if { (eval echo configure:5361: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5400: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   pgac_cv_struct_sockaddr_un=yes
 else
@@ -5381,12 +5420,12 @@ fi
 ## Functions, global variables
 ##
 echo $ac_n "checking for int timezone""... $ac_c" 1>&6
-echo "configure:5385: checking for int timezone" >&5
+echo "configure:5424: checking for int timezone" >&5
 if eval "test \"`echo '$''{'pgac_cv_var_int_timezone'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5390 "configure"
+#line 5429 "configure"
 #include "confdefs.h"
 #include <time.h>
 int res;
@@ -5394,7 +5433,7 @@ int main() {
 res = timezone / 60;
 ; return 0; }
 EOF
-if { (eval echo configure:5398: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5437: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   pgac_cv_var_int_timezone=yes
 else
@@ -5414,7 +5453,7 @@ EOF
 
 fi
 echo $ac_n "checking types of arguments for accept()""... $ac_c" 1>&6
-echo "configure:5418: checking types of arguments for accept()" >&5
+echo "configure:5457: checking types of arguments for accept()" >&5
  if eval "test \"`echo '$''{'ac_cv_func_accept_arg1'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5428,7 +5467,7 @@ else
      for ac_cv_func_accept_arg2 in 'struct sockaddr *' 'const struct sockaddr *' 'void *'; do
       for ac_cv_func_accept_arg3 in 'int' 'size_t' 'socklen_t' 'unsigned int' 'void'; do
        cat > conftest.$ac_ext <<EOF
-#line 5432 "configure"
+#line 5471 "configure"
 #include "confdefs.h"
 #ifdef HAVE_SYS_TYPES_H
 #include <sys/types.h>
@@ -5441,7 +5480,7 @@ int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:5445: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5484: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_not_found=no; break 3
 else
@@ -5481,12 +5520,12 @@ EOF
 
 
 echo $ac_n "checking whether gettimeofday takes only one argument""... $ac_c" 1>&6
-echo "configure:5485: checking whether gettimeofday takes only one argument" >&5
+echo "configure:5524: checking whether gettimeofday takes only one argument" >&5
 if eval "test \"`echo '$''{'pgac_cv_func_gettimeofday_1arg'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5490 "configure"
+#line 5529 "configure"
 #include "confdefs.h"
 #include <sys/time.h>
 int main() {
@@ -5495,7 +5534,7 @@ struct timezone *tzp;
 gettimeofday(tp,tzp);
 ; return 0; }
 EOF
-if { (eval echo configure:5499: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5538: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   pgac_cv_func_gettimeofday_1arg=no
 else
@@ -5518,12 +5557,12 @@ fi
 for ac_func in fcvt getopt_long memmove pstat setproctitle setsid sigprocmask sysconf waitpid dlopen fdatasync
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:5522: checking for $ac_func" >&5
+echo "configure:5561: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5527 "configure"
+#line 5566 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -5546,7 +5585,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5550: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5589: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -5572,7 +5611,7 @@ done
 
 
 cat > conftest.$ac_ext <<EOF
-#line 5576 "configure"
+#line 5615 "configure"
 #include "confdefs.h"
 #include <unistd.h>
 EOF
@@ -5588,12 +5627,12 @@ rm -f conftest*
 
 
 echo $ac_n "checking for PS_STRINGS""... $ac_c" 1>&6
-echo "configure:5592: checking for PS_STRINGS" >&5
+echo "configure:5631: checking for PS_STRINGS" >&5
 if eval "test \"`echo '$''{'pgac_cv_var_PS_STRINGS'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5597 "configure"
+#line 5636 "configure"
 #include "confdefs.h"
 #include <machine/vmparam.h>
 #include <sys/exec.h>
@@ -5603,7 +5642,7 @@ PS_STRINGS->ps_nargvstr = 1;
 PS_STRINGS->ps_argvstr = "foo";
 ; return 0; }
 EOF
-if { (eval echo configure:5607: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5646: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   pgac_cv_var_PS_STRINGS=yes
 else
@@ -5625,12 +5664,12 @@ fi
 
 SNPRINTF=''
 echo $ac_n "checking for snprintf""... $ac_c" 1>&6
-echo "configure:5629: checking for snprintf" >&5
+echo "configure:5668: checking for snprintf" >&5
 if eval "test \"`echo '$''{'ac_cv_func_snprintf'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5634 "configure"
+#line 5673 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char snprintf(); below.  */
@@ -5653,7 +5692,7 @@ snprintf();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5657: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5696: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_snprintf=yes"
 else
@@ -5677,12 +5716,12 @@ SNPRINTF='snprintf.o'
 fi
 
 echo $ac_n "checking for vsnprintf""... $ac_c" 1>&6
-echo "configure:5681: checking for vsnprintf" >&5
+echo "configure:5720: checking for vsnprintf" >&5
 if eval "test \"`echo '$''{'ac_cv_func_vsnprintf'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5686 "configure"
+#line 5725 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char vsnprintf(); below.  */
@@ -5705,7 +5744,7 @@ vsnprintf();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5709: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5748: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_vsnprintf=yes"
 else
@@ -5730,7 +5769,7 @@ fi
 
 
 cat > conftest.$ac_ext <<EOF
-#line 5734 "configure"
+#line 5773 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 EOF
@@ -5745,7 +5784,7 @@ fi
 rm -f conftest*
 
 cat > conftest.$ac_ext <<EOF
-#line 5749 "configure"
+#line 5788 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 EOF
@@ -5762,12 +5801,12 @@ rm -f conftest*
 
 # do this one the hard way in case isinf() is a macro
 echo $ac_n "checking for isinf""... $ac_c" 1>&6
-echo "configure:5766: checking for isinf" >&5
+echo "configure:5805: checking for isinf" >&5
 if eval "test \"`echo '$''{'ac_cv_func_isinf'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5771 "configure"
+#line 5810 "configure"
 #include "confdefs.h"
 #include <math.h>
 
@@ -5775,7 +5814,7 @@ int main() {
 double x = 0.0; int res = isinf(x);
 ; return 0; }
 EOF
-if { (eval echo configure:5779: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5818: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_cv_func_isinf=yes
 else
@@ -5801,12 +5840,12 @@ else
   for ac_func in fpclass fp_class fp_class_d class
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:5805: checking for $ac_func" >&5
+echo "configure:5844: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5810 "configure"
+#line 5849 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -5829,7 +5868,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5833: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5872: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -5857,12 +5896,12 @@ fi
 
 
 echo $ac_n "checking for getrusage""... $ac_c" 1>&6
-echo "configure:5861: checking for getrusage" >&5
+echo "configure:5900: checking for getrusage" >&5
 if eval "test \"`echo '$''{'ac_cv_func_getrusage'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5866 "configure"
+#line 5905 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char getrusage(); below.  */
@@ -5885,7 +5924,7 @@ getrusage();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5889: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5928: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_getrusage=yes"
 else
@@ -5910,12 +5949,12 @@ fi
 
 
 echo $ac_n "checking for srandom""... $ac_c" 1>&6
-echo "configure:5914: checking for srandom" >&5
+echo "configure:5953: checking for srandom" >&5
 if eval "test \"`echo '$''{'ac_cv_func_srandom'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5919 "configure"
+#line 5958 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char srandom(); below.  */
@@ -5938,7 +5977,7 @@ srandom();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5942: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5981: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_srandom=yes"
 else
@@ -5963,12 +6002,12 @@ fi
 
 
 echo $ac_n "checking for gethostname""... $ac_c" 1>&6
-echo "configure:5967: checking for gethostname" >&5
+echo "configure:6006: checking for gethostname" >&5
 if eval "test \"`echo '$''{'ac_cv_func_gethostname'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5972 "configure"
+#line 6011 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char gethostname(); below.  */
@@ -5991,7 +6030,7 @@ gethostname();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5995: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6034: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_gethostname=yes"
 else
@@ -6016,12 +6055,12 @@ fi
 
 
 echo $ac_n "checking for random""... $ac_c" 1>&6
-echo "configure:6020: checking for random" >&5
+echo "configure:6059: checking for random" >&5
 if eval "test \"`echo '$''{'ac_cv_func_random'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6025 "configure"
+#line 6064 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char random(); below.  */
@@ -6044,7 +6083,7 @@ random();
 
 ; return 0; }
 EOF
-if { (eval echo configure:6048: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6087: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_random=yes"
 else
@@ -6069,12 +6108,12 @@ fi
 
 
 echo $ac_n "checking for inet_aton""... $ac_c" 1>&6
-echo "configure:6073: checking for inet_aton" >&5
+echo "configure:6112: checking for inet_aton" >&5
 if eval "test \"`echo '$''{'ac_cv_func_inet_aton'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6078 "configure"
+#line 6117 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char inet_aton(); below.  */
@@ -6097,7 +6136,7 @@ inet_aton();
 
 ; return 0; }
 EOF
-if { (eval echo configure:6101: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6140: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_inet_aton=yes"
 else
@@ -6122,12 +6161,12 @@ fi
 
 
 echo $ac_n "checking for strerror""... $ac_c" 1>&6
-echo "configure:6126: checking for strerror" >&5
+echo "configure:6165: checking for strerror" >&5
 if eval "test \"`echo '$''{'ac_cv_func_strerror'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6131 "configure"
+#line 6170 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char strerror(); below.  */
@@ -6150,7 +6189,7 @@ strerror();
 
 ; return 0; }
 EOF
-if { (eval echo configure:6154: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6193: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_strerror=yes"
 else
@@ -6175,12 +6214,12 @@ fi
 
 
 echo $ac_n "checking for strdup""... $ac_c" 1>&6
-echo "configure:6179: checking for strdup" >&5
+echo "configure:6218: checking for strdup" >&5
 if eval "test \"`echo '$''{'ac_cv_func_strdup'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6184 "configure"
+#line 6223 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char strdup(); below.  */
@@ -6203,7 +6242,7 @@ strdup();
 
 ; return 0; }
 EOF
-if { (eval echo configure:6207: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6246: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_strdup=yes"
 else
@@ -6228,12 +6267,12 @@ fi
 
 
 echo $ac_n "checking for strtol""... $ac_c" 1>&6
-echo "configure:6232: checking for strtol" >&5
+echo "configure:6271: checking for strtol" >&5
 if eval "test \"`echo '$''{'ac_cv_func_strtol'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6237 "configure"
+#line 6276 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char strtol(); below.  */
@@ -6256,7 +6295,7 @@ strtol();
 
 ; return 0; }
 EOF
-if { (eval echo configure:6260: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6299: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_strtol=yes"
 else
@@ -6281,12 +6320,12 @@ fi
 
 
 echo $ac_n "checking for strtoul""... $ac_c" 1>&6
-echo "configure:6285: checking for strtoul" >&5
+echo "configure:6324: checking for strtoul" >&5
 if eval "test \"`echo '$''{'ac_cv_func_strtoul'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6290 "configure"
+#line 6329 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char strtoul(); below.  */
@@ -6309,7 +6348,7 @@ strtoul();
 
 ; return 0; }
 EOF
-if { (eval echo configure:6313: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6352: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_strtoul=yes"
 else
@@ -6334,12 +6373,12 @@ fi
 
 
 echo $ac_n "checking for strcasecmp""... $ac_c" 1>&6
-echo "configure:6338: checking for strcasecmp" >&5
+echo "configure:6377: checking for strcasecmp" >&5
 if eval "test \"`echo '$''{'ac_cv_func_strcasecmp'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6343 "configure"
+#line 6382 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char strcasecmp(); below.  */
@@ -6362,7 +6401,7 @@ strcasecmp();
 
 ; return 0; }
 EOF
-if { (eval echo configure:6366: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6405: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_strcasecmp=yes"
 else
@@ -6387,12 +6426,12 @@ fi
 
 
 echo $ac_n "checking for cbrt""... $ac_c" 1>&6
-echo "configure:6391: checking for cbrt" >&5
+echo "configure:6430: checking for cbrt" >&5
 if eval "test \"`echo '$''{'ac_cv_func_cbrt'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6396 "configure"
+#line 6435 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char cbrt(); below.  */
@@ -6415,7 +6454,7 @@ cbrt();
 
 ; return 0; }
 EOF
-if { (eval echo configure:6419: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6458: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_cbrt=yes"
 else
@@ -6436,7 +6475,7 @@ EOF
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for cbrt in -lm""... $ac_c" 1>&6
-echo "configure:6440: checking for cbrt in -lm" >&5
+echo "configure:6479: checking for cbrt in -lm" >&5
 ac_lib_var=`echo m'_'cbrt | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -6444,7 +6483,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lm  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 6448 "configure"
+#line 6487 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -6455,7 +6494,7 @@ int main() {
 cbrt()
 ; return 0; }
 EOF
-if { (eval echo configure:6459: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6498: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -6493,12 +6532,12 @@ esac
 
 
 echo $ac_n "checking for rint""... $ac_c" 1>&6
-echo "configure:6497: checking for rint" >&5
+echo "configure:6536: checking for rint" >&5
 if eval "test \"`echo '$''{'ac_cv_func_rint'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6502 "configure"
+#line 6541 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char rint(); below.  */
@@ -6521,7 +6560,7 @@ rint();
 
 ; return 0; }
 EOF
-if { (eval echo configure:6525: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6564: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_rint=yes"
 else
@@ -6542,7 +6581,7 @@ EOF
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for rint in -lm""... $ac_c" 1>&6
-echo "configure:6546: checking for rint in -lm" >&5
+echo "configure:6585: checking for rint in -lm" >&5
 ac_lib_var=`echo m'_'rint | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -6550,7 +6589,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lm $HPUXMATHLIB $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 6554 "configure"
+#line 6593 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -6561,7 +6600,7 @@ int main() {
 rint()
 ; return 0; }
 EOF
-if { (eval echo configure:6565: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6604: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -6590,9 +6629,9 @@ fi
 
 # Readline versions < 2.1 don't have rl_completion_append_character
 echo $ac_n "checking for rl_completion_append_character""... $ac_c" 1>&6
-echo "configure:6594: checking for rl_completion_append_character" >&5
+echo "configure:6633: checking for rl_completion_append_character" >&5
 cat > conftest.$ac_ext <<EOF
-#line 6596 "configure"
+#line 6635 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 #ifdef HAVE_READLINE_H
@@ -6605,7 +6644,7 @@ int main() {
 rl_completion_append_character = 'x';
 ; return 0; }
 EOF
-if { (eval echo configure:6609: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6648: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   echo "$ac_t""yes" 1>&6
 cat >> confdefs.h <<\EOF
@@ -6626,7 +6665,7 @@ rm -f conftest*
 # with earlier Cygwins don't have this declared, although it's in the
 # library.
 echo $ac_n "checking whether filename_completion_function is declared""... $ac_c" 1>&6
-echo "configure:6630: checking whether filename_completion_function is declared" >&5
+echo "configure:6669: checking whether filename_completion_function is declared" >&5
 if test "$ac_cv_header_readline_h" = yes; then
     _readline_header='readline.h'
 elif test "$ac_cv_header_readline_readline_h" = yes; then
@@ -6635,7 +6674,7 @@ else
     _readline_header='xxx'
 fi
 cat > conftest.$ac_ext <<EOF
-#line 6639 "configure"
+#line 6678 "configure"
 #include "confdefs.h"
 #include <$_readline_header>
 EOF
@@ -6657,16 +6696,16 @@ rm -f conftest*
 
 
 echo $ac_n "checking for finite""... $ac_c" 1>&6
-echo "configure:6661: checking for finite" >&5
+echo "configure:6700: checking for finite" >&5
 cat > conftest.$ac_ext <<EOF
-#line 6663 "configure"
+#line 6702 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
 int dummy=finite(1.0);
 ; return 0; }
 EOF
-if { (eval echo configure:6670: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6709: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define HAVE_FINITE 1
@@ -6681,16 +6720,16 @@ fi
 rm -f conftest*
 
 echo $ac_n "checking for sigsetjmp""... $ac_c" 1>&6
-echo "configure:6685: checking for sigsetjmp" >&5
+echo "configure:6724: checking for sigsetjmp" >&5
 cat > conftest.$ac_ext <<EOF
-#line 6687 "configure"
+#line 6726 "configure"
 #include "confdefs.h"
 #include <setjmp.h>
 int main() {
 sigjmp_buf x; sigsetjmp(x, 1);
 ; return 0; }
 EOF
-if { (eval echo configure:6694: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6733: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define HAVE_SIGSETJMP 1
@@ -6710,12 +6749,12 @@ if test x"${enable_syslog+set}" = xset; then
   case $enable_syslog in
     yes)
       echo $ac_n "checking for syslog""... $ac_c" 1>&6
-echo "configure:6714: checking for syslog" >&5
+echo "configure:6753: checking for syslog" >&5
 if eval "test \"`echo '$''{'ac_cv_func_syslog'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6719 "configure"
+#line 6758 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char syslog(); below.  */
@@ -6738,7 +6777,7 @@ syslog();
 
 ; return 0; }
 EOF
-if { (eval echo configure:6742: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6781: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_syslog=yes"
 else
@@ -6777,19 +6816,19 @@ fi
 
 
 echo $ac_n "checking for optreset""... $ac_c" 1>&6
-echo "configure:6781: checking for optreset" >&5
+echo "configure:6820: checking for optreset" >&5
 if eval "test \"`echo '$''{'pgac_cv_var_int_optreset'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6786 "configure"
+#line 6825 "configure"
 #include "confdefs.h"
 #include <unistd.h>
 int main() {
 extern int optreset; optreset = 1;
 ; return 0; }
 EOF
-if { (eval echo configure:6793: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6832: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   pgac_cv_var_int_optreset=yes
 else
@@ -6811,7 +6850,7 @@ fi
 
 
 echo $ac_n "checking whether long int is 64 bits""... $ac_c" 1>&6
-echo "configure:6815: checking whether long int is 64 bits" >&5
+echo "configure:6854: checking whether long int is 64 bits" >&5
 if eval "test \"`echo '$''{'pgac_cv_type_long_int_64'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6820,7 +6859,7 @@ else
 echo "configure: warning: 64 bit arithmetic disabled when cross-compiling" 1>&2
 else
   cat > conftest.$ac_ext <<EOF
-#line 6824 "configure"
+#line 6863 "configure"
 #include "confdefs.h"
 typedef long int int64;
 
@@ -6849,7 +6888,7 @@ main() {
   exit(! does_int64_work());
 }
 EOF
-if { (eval echo configure:6853: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:6892: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   pgac_cv_type_long_int_64=yes
 else
@@ -6876,7 +6915,7 @@ fi
 
 if test x"$HAVE_LONG_INT_64" = x"no" ; then
   echo $ac_n "checking whether long long int is 64 bits""... $ac_c" 1>&6
-echo "configure:6880: checking whether long long int is 64 bits" >&5
+echo "configure:6919: checking whether long long int is 64 bits" >&5
 if eval "test \"`echo '$''{'pgac_cv_type_long_long_int_64'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6885,7 +6924,7 @@ else
 echo "configure: warning: 64 bit arithmetic disabled when cross-compiling" 1>&2
 else
   cat > conftest.$ac_ext <<EOF
-#line 6889 "configure"
+#line 6928 "configure"
 #include "confdefs.h"
 typedef long long int int64;
 
@@ -6914,7 +6953,7 @@ main() {
   exit(! does_int64_work());
 }
 EOF
-if { (eval echo configure:6918: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:6957: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   pgac_cv_type_long_long_int_64=yes
 else
@@ -6945,7 +6984,7 @@ fi
 if [ x"$HAVE_LONG_LONG_INT_64" = xyes ] ; then
   if [ x$SNPRINTF = x ] ; then
     echo $ac_n "checking whether snprintf handles 'long long int' as %lld""... $ac_c" 1>&6
-echo "configure:6949: checking whether snprintf handles 'long long int' as %lld" >&5
+echo "configure:6988: checking whether snprintf handles 'long long int' as %lld" >&5
     if test "$cross_compiling" = yes; then
    echo "$ac_t""assuming not on target machine" 1>&6
 	# Force usage of our own snprintf, since we cannot test foreign snprintf
@@ -6954,7 +6993,7 @@ echo "configure:6949: checking whether snprintf handles 'long long int' as %lld"
   
 else
   cat > conftest.$ac_ext <<EOF
-#line 6958 "configure"
+#line 6997 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 typedef long long int int64;
@@ -6981,7 +7020,7 @@ main() {
   exit(! does_int64_snprintf_work());
 }
 EOF
-if { (eval echo configure:6985: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:7024: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
    echo "$ac_t""yes" 1>&6
 	  INT64_FORMAT='"%lld"'
@@ -6992,7 +7031,7 @@ else
   rm -fr conftest*
    echo "$ac_t""no" 1>&6
     echo $ac_n "checking whether snprintf handles 'long long int' as %qd""... $ac_c" 1>&6
-echo "configure:6996: checking whether snprintf handles 'long long int' as %qd" >&5 
+echo "configure:7035: checking whether snprintf handles 'long long int' as %qd" >&5 
     if test "$cross_compiling" = yes; then
    echo "$ac_t""assuming not on target machine" 1>&6
 	# Force usage of our own snprintf, since we cannot test foreign snprintf
@@ -7001,7 +7040,7 @@ echo "configure:6996: checking whether snprintf handles 'long long int' as %qd"
   
 else
   cat > conftest.$ac_ext <<EOF
-#line 7005 "configure"
+#line 7044 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 typedef long long int int64;
@@ -7028,7 +7067,7 @@ main() {
   exit(! does_int64_snprintf_work());
 }
 EOF
-if { (eval echo configure:7032: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:7071: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
    echo "$ac_t""yes" 1>&6
     INT64_FORMAT='"%qd"'
@@ -7068,12 +7107,12 @@ EOF
 for ac_func in strtoll strtoq
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:7072: checking for $ac_func" >&5
+echo "configure:7111: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7077 "configure"
+#line 7116 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -7096,7 +7135,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:7100: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7139: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -7123,12 +7162,12 @@ done
 for ac_func in strtoull strtouq
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:7127: checking for $ac_func" >&5
+echo "configure:7166: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7132 "configure"
+#line 7171 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -7151,7 +7190,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:7155: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7194: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -7177,12 +7216,12 @@ done
 
 
 echo $ac_n "checking for atexit""... $ac_c" 1>&6
-echo "configure:7181: checking for atexit" >&5
+echo "configure:7220: checking for atexit" >&5
 if eval "test \"`echo '$''{'ac_cv_func_atexit'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7186 "configure"
+#line 7225 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char atexit(); below.  */
@@ -7205,7 +7244,7 @@ atexit();
 
 ; return 0; }
 EOF
-if { (eval echo configure:7209: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7248: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_atexit=yes"
 else
@@ -7228,12 +7267,12 @@ else
 for ac_func in on_exit
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:7232: checking for $ac_func" >&5
+echo "configure:7271: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7237 "configure"
+#line 7276 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -7256,7 +7295,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:7260: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7299: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -7289,7 +7328,7 @@ fi
 
 
 echo $ac_n "checking size of unsigned long""... $ac_c" 1>&6
-echo "configure:7293: checking size of unsigned long" >&5
+echo "configure:7332: checking size of unsigned long" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_unsigned_long'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7297,7 +7336,7 @@ else
   ac_cv_sizeof_unsigned_long=4
 else
   cat > conftest.$ac_ext <<EOF
-#line 7301 "configure"
+#line 7340 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -7308,7 +7347,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:7312: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:7351: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_unsigned_long=`cat conftestval`
 else
@@ -7334,7 +7373,7 @@ EOF
 
 
 echo $ac_n "checking alignment of short""... $ac_c" 1>&6
-echo "configure:7338: checking alignment of short" >&5
+echo "configure:7377: checking alignment of short" >&5
 if eval "test \"`echo '$''{'pgac_cv_alignof_short'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7342,7 +7381,7 @@ else
   pgac_cv_alignof_short='sizeof(short)'
 else
   cat > conftest.$ac_ext <<EOF
-#line 7346 "configure"
+#line 7385 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 struct { char filler; short field; } mystruct;
@@ -7354,7 +7393,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:7358: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:7397: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   pgac_cv_alignof_short=`cat conftestval`
 else
@@ -7374,7 +7413,7 @@ EOF
 
 
 echo $ac_n "checking alignment of int""... $ac_c" 1>&6
-echo "configure:7378: checking alignment of int" >&5
+echo "configure:7417: checking alignment of int" >&5
 if eval "test \"`echo '$''{'pgac_cv_alignof_int'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7382,7 +7421,7 @@ else
   pgac_cv_alignof_int='sizeof(int)'
 else
   cat > conftest.$ac_ext <<EOF
-#line 7386 "configure"
+#line 7425 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 struct { char filler; int field; } mystruct;
@@ -7394,7 +7433,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:7398: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:7437: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   pgac_cv_alignof_int=`cat conftestval`
 else
@@ -7414,7 +7453,7 @@ EOF
 
 
 echo $ac_n "checking alignment of long""... $ac_c" 1>&6
-echo "configure:7418: checking alignment of long" >&5
+echo "configure:7457: checking alignment of long" >&5
 if eval "test \"`echo '$''{'pgac_cv_alignof_long'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7422,7 +7461,7 @@ else
   pgac_cv_alignof_long='sizeof(long)'
 else
   cat > conftest.$ac_ext <<EOF
-#line 7426 "configure"
+#line 7465 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 struct { char filler; long field; } mystruct;
@@ -7434,7 +7473,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:7438: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:7477: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   pgac_cv_alignof_long=`cat conftestval`
 else
@@ -7455,7 +7494,7 @@ EOF
 
 if [ x"$HAVE_LONG_LONG_INT_64" = xyes ] ; then
   echo $ac_n "checking alignment of long long int""... $ac_c" 1>&6
-echo "configure:7459: checking alignment of long long int" >&5
+echo "configure:7498: checking alignment of long long int" >&5
 if eval "test \"`echo '$''{'pgac_cv_alignof_long_long_int'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7463,7 +7502,7 @@ else
   pgac_cv_alignof_long_long_int='sizeof(long long int)'
 else
   cat > conftest.$ac_ext <<EOF
-#line 7467 "configure"
+#line 7506 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 struct { char filler; long long int field; } mystruct;
@@ -7475,7 +7514,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:7479: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:7518: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   pgac_cv_alignof_long_long_int=`cat conftestval`
 else
@@ -7496,7 +7535,7 @@ EOF
 
 fi
 echo $ac_n "checking alignment of double""... $ac_c" 1>&6
-echo "configure:7500: checking alignment of double" >&5
+echo "configure:7539: checking alignment of double" >&5
 if eval "test \"`echo '$''{'pgac_cv_alignof_double'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7504,7 +7543,7 @@ else
   pgac_cv_alignof_double='sizeof(double)'
 else
   cat > conftest.$ac_ext <<EOF
-#line 7508 "configure"
+#line 7547 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 struct { char filler; double field; } mystruct;
@@ -7516,7 +7555,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:7520: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:7559: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   pgac_cv_alignof_double=`cat conftestval`
 else
@@ -7554,12 +7593,12 @@ EOF
 
 
 echo $ac_n "checking for POSIX signal interface""... $ac_c" 1>&6
-echo "configure:7558: checking for POSIX signal interface" >&5
+echo "configure:7597: checking for POSIX signal interface" >&5
 if eval "test \"`echo '$''{'pgac_cv_func_posix_signals'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7563 "configure"
+#line 7602 "configure"
 #include "confdefs.h"
 #include <signal.h>
 
@@ -7570,7 +7609,7 @@ act.sa_flags = SA_RESTART;
 sigaction(0, &act, &oact);
 ; return 0; }
 EOF
-if { (eval echo configure:7574: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7613: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   pgac_cv_func_posix_signals=yes
 else
@@ -7600,7 +7639,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:7604: checking for $ac_word" >&5
+echo "configure:7643: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_TCLSH'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7636,7 +7675,7 @@ test -n "$TCLSH" && break
 done
 
 echo $ac_n "checking for tclConfig.sh""... $ac_c" 1>&6
-echo "configure:7640: checking for tclConfig.sh" >&5
+echo "configure:7679: checking for tclConfig.sh" >&5
 # Let user override test
 if test -z "$TCL_CONFIG_SH"; then
     pgac_test_dirs="$with_tclconfig"
@@ -7669,7 +7708,7 @@ fi
 # Check for Tk configuration script tkConfig.sh
 if test "$with_tk" = yes; then
     echo $ac_n "checking for tkConfig.sh""... $ac_c" 1>&6
-echo "configure:7673: checking for tkConfig.sh" >&5
+echo "configure:7712: checking for tkConfig.sh" >&5
 # Let user override test
 if test -z "$TK_CONFIG_SH"; then
     pgac_test_dirs="$with_tkconfig $with_tclconfig"
@@ -7708,7 +7747,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:7712: checking for $ac_word" >&5
+echo "configure:7751: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_NSGMLS'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7744,7 +7783,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:7748: checking for $ac_word" >&5
+echo "configure:7787: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_JADE'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7775,7 +7814,7 @@ done
 
   
 echo $ac_n "checking for DocBook V3.1""... $ac_c" 1>&6
-echo "configure:7779: checking for DocBook V3.1" >&5
+echo "configure:7818: checking for DocBook V3.1" >&5
 if eval "test \"`echo '$''{'pgac_cv_check_docbook'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7808,7 +7847,7 @@ have_docbook=$pgac_cv_check_docbook
 
 
   echo $ac_n "checking for DocBook stylesheets""... $ac_c" 1>&6
-echo "configure:7812: checking for DocBook stylesheets" >&5
+echo "configure:7851: checking for DocBook stylesheets" >&5
 if eval "test \"`echo '$''{'pgac_cv_path_stylesheets'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7847,7 +7886,7 @@ do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:7851: checking for $ac_word" >&5
+echo "configure:7890: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_SGMLSPL'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -7879,13 +7918,25 @@ done
 fi
 
 
-# Finally ready to produce output files ...
+# check whether 'test -ef' works
+if (test "$srcdir" -ef "$srcdir") >/dev/null 2>&1 ; then
+  test_ef_works=yes
+else
+  test_ef_works=no
+fi
 
-if test x"$abs_top_srcdir" != x"$abs_top_builddir"; then
-  echo $ac_n "preparing build tree... $ac_c" 1>&6
-  /bin/sh "$srcdir/config/prep_buildtree" "$abs_top_srcdir" "$abs_top_builddir" \
-    || { echo "configure: error: failed" 1>&2; exit 1; }
-  echo "$ac_t""done" 1>&6
+abs_top_srcdir=
+
+
+if test "$test_ef_works" = yes ; then
+# prepare build tree if outside source tree
+  if test "$srcdir" -ef . ; then : ; else
+    abs_top_srcdir=`cd $srcdir && pwd`
+    echo $ac_n "preparing build tree... $ac_c" 1>&6
+    /bin/sh "$srcdir/config/prep_buildtree" "$abs_top_srcdir" "." \
+      || { echo "configure: error: failed" 1>&2; exit 1; }
+    echo "$ac_t""done" 1>&6
+  fi
 fi
 
 trap '' 1 2 15
@@ -8027,8 +8078,6 @@ s%@oldincludedir@%$oldincludedir%g
 s%@docdir@%$docdir%g
 s%@mandir@%$mandir%g
 s%@VERSION@%$VERSION%g
-s%@abs_top_srcdir@%$abs_top_srcdir%g
-s%@abs_top_builddir@%$abs_top_builddir%g
 s%@host@%$host%g
 s%@host_alias@%$host_alias%g
 s%@host_cpu@%$host_cpu%g
@@ -8108,6 +8157,7 @@ s%@JADE@%$JADE%g
 s%@have_docbook@%$have_docbook%g
 s%@DOCBOOKSTYLE@%$DOCBOOKSTYLE%g
 s%@SGMLSPL@%$SGMLSPL%g
+s%@abs_top_srcdir@%$abs_top_srcdir%g
 
 CEOF
 EOF
diff --git a/configure.in b/configure.in
index 8ce2eacde2..d9511ffdc2 100644
--- a/configure.in
+++ b/configure.in
@@ -33,10 +33,6 @@ AC_SUBST(VERSION)
 AC_DEFINE_UNQUOTED(PG_VERSION, "$VERSION")
 
 unset CDPATH
-abs_top_srcdir=`cd $srcdir && pwd`
-AC_SUBST(abs_top_srcdir)
-abs_top_builddir=`pwd`
-AC_SUBST(abs_top_builddir)
 
 AC_CANONICAL_HOST
 AC_SUBST(host)
@@ -688,6 +684,7 @@ AC_CHECK_LIB(BSD,      main)
 AC_CHECK_LIB(gen,      main)
 AC_CHECK_LIB(PW,       main)
 AC_CHECK_LIB(resolv,   main)
+AC_CHECK_LIB([[unix]], main)
 AC_SEARCH_LIBS(crypt,  crypt)
 AC_CHECK_LIB(bind,     __inet_ntoa)
 dnl only consider libz to be present if we find <zlib.h> as well
@@ -1140,13 +1137,25 @@ if test -n "$NSGMLS"; then
 fi
 
 
-# Finally ready to produce output files ...
+# check whether 'test -ef' works
+if (test "$srcdir" -ef "$srcdir") >/dev/null 2>&1 ; then
+  test_ef_works=yes
+else
+  test_ef_works=no
+fi
 
-if test x"$abs_top_srcdir" != x"$abs_top_builddir"; then
-  echo $ac_n "preparing build tree... $ac_c" 1>&6
-  /bin/sh "$srcdir/config/prep_buildtree" "$abs_top_srcdir" "$abs_top_builddir" \
-    || AC_MSG_ERROR(failed)
-  AC_MSG_RESULT(done)
+abs_top_srcdir=
+AC_SUBST(abs_top_srcdir)
+
+if test "$test_ef_works" = yes ; then
+# prepare build tree if outside source tree
+  if test "$srcdir" -ef . ; then : ; else
+    abs_top_srcdir=`cd $srcdir && pwd`
+    echo $ac_n "preparing build tree... $ac_c" 1>&6
+    /bin/sh "$srcdir/config/prep_buildtree" "$abs_top_srcdir" "." \
+      || AC_MSG_ERROR(failed)
+    AC_MSG_RESULT(done)
+  fi
 fi
 
 AC_OUTPUT(
diff --git a/src/Makefile.global.in b/src/Makefile.global.in
index 4bbe3bb182..ef488cbd40 100644
--- a/src/Makefile.global.in
+++ b/src/Makefile.global.in
@@ -1,5 +1,5 @@
 # -*-makefile-*-
-# $Header: /cvsroot/pgsql/src/Makefile.global.in,v 1.120 2001/02/27 08:13:29 ishii Exp $
+# $Header: /cvsroot/pgsql/src/Makefile.global.in,v 1.121 2001/03/03 15:53:41 petere Exp $
 
 #------------------------------------------------------------------------------
 # All PostgreSQL makefiles include this file and use the variables it sets,
@@ -33,9 +33,8 @@ VERSION = @VERSION@
 
 # Support for VPATH builds
 abs_top_srcdir = @abs_top_srcdir@
-abs_top_builddir = @abs_top_builddir@
 
-ifeq ($(abs_top_builddir), $(abs_top_srcdir))
+ifndef abs_top_srcdir
 top_srcdir = $(top_builddir)
 srcdir = .
 else
diff --git a/src/makefiles/Makefile.qnx4 b/src/makefiles/Makefile.qnx4
index 5a74d84c7c..a7d902ad24 100644
--- a/src/makefiles/Makefile.qnx4
+++ b/src/makefiles/Makefile.qnx4
@@ -4,7 +4,6 @@ AROPT = cr
 LD= $(AR)
 LDREL= $(AROPT)
 LDOUT=
-LIBS= -lunix
 LDFLAGS=
 
 enable_shared = no