From a57b89b4926bf49052ebd8a6401059e0a5368139 Mon Sep 17 00:00:00 2001
From: Barry Warsaw <barry@python.org>
Date: Mon, 15 Jan 2001 17:07:21 +0000
Subject: [PATCH] Committing patch #103216, autodetect of dbmmodule support and
 building of dbmmodule dynamically by default (otherwise it can pull in
 dependencies with libdb that croak pybsddb3).  This change moves the Setup
 line for dbmmodule to Setup.config.in.

---
 Modules/Setup.config.in |   3 +
 Modules/Setup.dist      |   5 +-
 config.h.in             |   3 +
 configure               | 777 ++++++++++++++++++++++------------------
 configure.in            |  37 ++
 5 files changed, 484 insertions(+), 341 deletions(-)

diff --git a/Modules/Setup.config.in b/Modules/Setup.config.in
index 424099fdec8..6f62b77747a 100644
--- a/Modules/Setup.config.in
+++ b/Modules/Setup.config.in
@@ -22,3 +22,6 @@
 
 # bsddb module enabled by --with-libdb or presence of db.h
 @USE_BSDDB_MODULE@bsddb bsddbmodule.c @HAVE_LIBDB@
+
+# dbm(3) may require -lndbm or similar
+@USE_DBM_MODULE@dbm dbmmodule.c @HAVE_LIBNDBM@
diff --git a/Modules/Setup.dist b/Modules/Setup.dist
index 9b863d504a8..31defe8129c 100644
--- a/Modules/Setup.dist
+++ b/Modules/Setup.dist
@@ -355,7 +355,10 @@ new newmodule.c
 # implementation independent wrapper for these; dumbdbm.py provides
 # similar functionality (but slower of course) implemented in Python.
 
-# The standard Unix dbm module:
+# The standard Unix dbm module has been moved to Setup.config so that
+# it will be compiled as a shared library by default.  Compiling it as
+# a built-in module causes conflicts with the pybsddb3 module since it
+# creates a static dependency on an out-of-date version of db.so.
 
 #dbm dbmmodule.c 	# dbm(3) may require -lndbm or similar
 
diff --git a/config.h.in b/config.h.in
index 5c2ac37696e..b1b711fc921 100644
--- a/config.h.in
+++ b/config.h.in
@@ -225,6 +225,9 @@
 /* Define if you want to use BSD db. */
 #undef WITH_LIBDB
 
+/* Define if you want to use ndbm. */
+#undef WITH_LIBNDBM
+
 /* Define if you want to produce an OpenStep/Rhapsody framework
    (shared library plus accessory files). */
 #undef WITH_NEXT_FRAMEWORK
diff --git a/configure b/configure
index f923d9a76f4..2c915243ded 100755
--- a/configure
+++ b/configure
@@ -39,6 +39,8 @@ ac_help="$ac_help
   --with-pth                      use GNU pth threading libraries"
 ac_help="$ac_help
   --with(out)-cycle-gc            disable/enable garbage collection"
+ac_help="$ac_help
+  --with(out)-dbm                 disable/enable dbm module"
 ac_help="$ac_help
   --with(out)-libdb               disable/enable bsddb module"
 ac_help="$ac_help
@@ -575,7 +577,7 @@ VERSION=2.0
 if test -f /usr/lib/NextStep/software_version -o -f /System/Library/CoreServices/software_version ; then
 
 	echo $ac_n "checking for --with-next-archs""... $ac_c" 1>&6
-echo "configure:579: checking for --with-next-archs" >&5
+echo "configure:581: checking for --with-next-archs" >&5
 	# Check whether --with-next-archs or --without-next-archs was given.
 if test "${with_next_archs+set}" = set; then
   withval="$with_next_archs"
@@ -623,7 +625,7 @@ fi
 # Set name for machine-dependent library files
 
 echo $ac_n "checking MACHDEP""... $ac_c" 1>&6
-echo "configure:627: checking MACHDEP" >&5
+echo "configure:629: checking MACHDEP" >&5
 if test -z "$MACHDEP"
 then
 	ac_sys_system=`uname -s`
@@ -683,7 +685,7 @@ echo "$ac_t""$MACHDEP" 1>&6
 
 # checks for alternative programs
 echo $ac_n "checking for --without-gcc""... $ac_c" 1>&6
-echo "configure:687: checking for --without-gcc" >&5
+echo "configure:689: checking for --without-gcc" >&5
 # Check whether --with-gcc or --without-gcc was given.
 if test "${with_gcc+set}" = set; then
   withval="$with_gcc"
@@ -739,7 +741,7 @@ echo "$ac_t""$without_gcc" 1>&6
 
 MAINOBJ=python.o
 echo $ac_n "checking for --with-cxx=<compiler>""... $ac_c" 1>&6
-echo "configure:743: checking for --with-cxx=<compiler>" >&5
+echo "configure:745: checking for --with-cxx=<compiler>" >&5
 # Check whether --with-cxx or --without-cxx was given.
 if test "${with_cxx+set}" = set; then
   withval="$with_cxx"
@@ -769,7 +771,7 @@ do
 # Extract the first word of "$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:773: checking for $ac_word" >&5
+echo "configure:775: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CXX'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -804,7 +806,7 @@ test -n "$CXX" || CXX="notfound"
 		CXX=
 	else
 		echo $ac_n "checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:808: checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works" >&5
+echo "configure:810: checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works" >&5
 
 ac_ext=C
 # CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
@@ -815,12 +817,12 @@ cross_compiling=$ac_cv_prog_cxx_cross
 
 cat > conftest.$ac_ext << EOF
 
-#line 819 "configure"
+#line 821 "configure"
 #include "confdefs.h"
 
 int main(){return(0);}
 EOF
-if { (eval echo configure:824: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:826: \"$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
@@ -846,7 +848,7 @@ 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""... $ac_c" 1>&6
-echo "configure:850: checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:852: checking whether the C++ compiler ($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
 
@@ -879,7 +881,7 @@ fi
 # 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:883: checking for $ac_word" >&5
+echo "configure:885: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -909,7 +911,7 @@ if test -z "$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:913: checking for $ac_word" >&5
+echo "configure:915: 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
@@ -960,7 +962,7 @@ 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:964: checking for $ac_word" >&5
+echo "configure:966: 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
@@ -992,7 +994,7 @@ fi
 fi
 
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:996: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
+echo "configure:998: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
 
 ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
@@ -1003,12 +1005,12 @@ cross_compiling=$ac_cv_prog_cc_cross
 
 cat > conftest.$ac_ext << EOF
 
-#line 1007 "configure"
+#line 1009 "configure"
 #include "confdefs.h"
 
 main(){return(0);}
 EOF
-if { (eval echo configure:1012: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1014: \"$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
@@ -1034,12 +1036,12 @@ 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""... $ac_c" 1>&6
-echo "configure:1038: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:1040: checking whether the C compiler ($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""... $ac_c" 1>&6
-echo "configure:1043: checking whether we are using GNU C" >&5
+echo "configure:1045: checking whether we are using GNU C" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1048,7 +1050,7 @@ else
   yes;
 #endif
 EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:1052: \"$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:1054: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gcc=yes
 else
   ac_cv_prog_gcc=no
@@ -1067,7 +1069,7 @@ ac_test_CFLAGS="${CFLAGS+set}"
 ac_save_CFLAGS="$CFLAGS"
 CFLAGS=
 echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
-echo "configure:1071: checking whether ${CC-cc} accepts -g" >&5
+echo "configure:1073: 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
@@ -1100,7 +1102,7 @@ fi
 
 
 echo $ac_n "checking for --with-suffix""... $ac_c" 1>&6
-echo "configure:1104: checking for --with-suffix" >&5
+echo "configure:1106: checking for --with-suffix" >&5
 # Check whether --with-suffix or --without-suffix was given.
 if test "${with_suffix+set}" = set; then
   withval="$with_suffix"
@@ -1148,7 +1150,7 @@ SET_DLLLIBRARY=''
 # linking.
 
 echo $ac_n "checking LINKCC""... $ac_c" 1>&6
-echo "configure:1152: checking LINKCC" >&5
+echo "configure:1154: checking LINKCC" >&5
 if test -z "$LINKCC" -a ! -z "$CXX"
 then
     LINKCC="$CXX"
@@ -1168,7 +1170,7 @@ fi
 echo "$ac_t""$LINKCC" 1>&6
 
 echo $ac_n "checking LDLIBRARY""... $ac_c" 1>&6
-echo "configure:1172: checking LDLIBRARY" >&5
+echo "configure:1174: checking LDLIBRARY" >&5
 
 # NeXT framework builds require that the 'ar' library be converted into
 # a bundle using libtool.
@@ -1208,7 +1210,7 @@ fi
 # 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:1212: checking for $ac_word" >&5
+echo "configure:1214: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1241,7 +1243,7 @@ do
 # Extract the first word of "$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:1245: checking for $ac_word" >&5
+echo "configure:1247: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AR'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1326,7 +1328,7 @@ then
 fi
 # checks for UNIX variants that set C preprocessor variables
 echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
-echo "configure:1330: checking how to run the C preprocessor" >&5
+echo "configure:1332: checking how to run the C preprocessor" >&5
 # On Suns, sometimes $CPP names a directory.
 if test -n "$CPP" && test -d "$CPP"; then
   CPP=
@@ -1341,13 +1343,13 @@ else
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp.
   cat > conftest.$ac_ext <<EOF
-#line 1345 "configure"
+#line 1347 "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:1351: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1353: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -1358,13 +1360,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -E -traditional-cpp"
   cat > conftest.$ac_ext <<EOF
-#line 1362 "configure"
+#line 1364 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1368: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1370: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -1375,13 +1377,13 @@ else
   rm -rf conftest*
   CPP="${CC-cc} -nologo -E"
   cat > conftest.$ac_ext <<EOF
-#line 1379 "configure"
+#line 1381 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1385: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1387: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
@@ -1406,9 +1408,9 @@ fi
 echo "$ac_t""$CPP" 1>&6
 
 echo $ac_n "checking for AIX""... $ac_c" 1>&6
-echo "configure:1410: checking for AIX" >&5
+echo "configure:1412: checking for AIX" >&5
 cat > conftest.$ac_ext <<EOF
-#line 1412 "configure"
+#line 1414 "configure"
 #include "confdefs.h"
 #ifdef _AIX
   yes
@@ -1431,17 +1433,17 @@ rm -f conftest*
 
 ac_safe=`echo "minix/config.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for minix/config.h""... $ac_c" 1>&6
-echo "configure:1435: checking for minix/config.h" >&5
+echo "configure:1437: checking for minix/config.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1440 "configure"
+#line 1442 "configure"
 #include "confdefs.h"
 #include <minix/config.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1445: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1447: \"$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*
@@ -1480,7 +1482,7 @@ fi
 
 
 echo $ac_n "checking whether $CC accepts -OPT:Olimit=0""... $ac_c" 1>&6
-echo "configure:1484: checking whether $CC accepts -OPT:Olimit=0" >&5
+echo "configure:1486: checking whether $CC accepts -OPT:Olimit=0" >&5
 if eval "test \"`echo '$''{'ac_cv_opt_olimit_ok'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1490,11 +1492,11 @@ if test "$cross_compiling" = yes; then
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 1494 "configure"
+#line 1496 "configure"
 #include "confdefs.h"
 int main() { return 0; }
 EOF
-if { (eval echo configure:1498: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:1500: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_opt_olimit_ok=yes
 else
@@ -1517,7 +1519,7 @@ if test $ac_cv_opt_olimit_ok = yes; then
     esac
 else
   echo $ac_n "checking whether $CC accepts -Olimit 1500""... $ac_c" 1>&6
-echo "configure:1521: checking whether $CC accepts -Olimit 1500" >&5
+echo "configure:1523: checking whether $CC accepts -Olimit 1500" >&5
   if eval "test \"`echo '$''{'ac_cv_olimit_ok'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1527,11 +1529,11 @@ else
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 1531 "configure"
+#line 1533 "configure"
 #include "confdefs.h"
 int main() { return 0; }
 EOF
-if { (eval echo configure:1535: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:1537: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_olimit_ok=yes
 else
@@ -1555,12 +1557,12 @@ fi
 
 # checks for header files
 echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&6
-echo "configure:1559: checking for ANSI C header files" >&5
+echo "configure:1561: checking for ANSI C header files" >&5
 if eval "test \"`echo '$''{'ac_cv_header_stdc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1564 "configure"
+#line 1566 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 #include <stdarg.h>
@@ -1568,7 +1570,7 @@ else
 #include <float.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1572: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1574: \"$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*
@@ -1585,7 +1587,7 @@ rm -f conftest*
 if test $ac_cv_header_stdc = yes; then
   # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
 cat > conftest.$ac_ext <<EOF
-#line 1589 "configure"
+#line 1591 "configure"
 #include "confdefs.h"
 #include <string.h>
 EOF
@@ -1603,7 +1605,7 @@ fi
 if test $ac_cv_header_stdc = yes; then
   # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
 cat > conftest.$ac_ext <<EOF
-#line 1607 "configure"
+#line 1609 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 EOF
@@ -1624,7 +1626,7 @@ if test "$cross_compiling" = yes; then
   :
 else
   cat > conftest.$ac_ext <<EOF
-#line 1628 "configure"
+#line 1630 "configure"
 #include "confdefs.h"
 #include <ctype.h>
 #define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
@@ -1635,7 +1637,7 @@ if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
 exit (0); }
 
 EOF
-if { (eval echo configure:1639: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:1641: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   :
 else
@@ -1667,17 +1669,17 @@ ndbm.h db1/ndbm.h gdbm/ndbm.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:1671: checking for $ac_hdr" >&5
+echo "configure:1673: 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 1676 "configure"
+#line 1678 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1681: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1683: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -1708,12 +1710,12 @@ for ac_hdr in dirent.h sys/ndir.h sys/dir.h ndir.h
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr that defines DIR""... $ac_c" 1>&6
-echo "configure:1712: checking for $ac_hdr that defines DIR" >&5
+echo "configure:1714: checking for $ac_hdr that defines DIR" >&5
 if eval "test \"`echo '$''{'ac_cv_header_dirent_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1717 "configure"
+#line 1719 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <$ac_hdr>
@@ -1721,7 +1723,7 @@ int main() {
 DIR *dirp = 0;
 ; return 0; }
 EOF
-if { (eval echo configure:1725: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1727: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   eval "ac_cv_header_dirent_$ac_safe=yes"
 else
@@ -1746,7 +1748,7 @@ done
 # Two versions of opendir et al. are in -ldir and -lx on SCO Xenix.
 if test $ac_header_dirent = dirent.h; then
 echo $ac_n "checking for opendir in -ldir""... $ac_c" 1>&6
-echo "configure:1750: checking for opendir in -ldir" >&5
+echo "configure:1752: checking for opendir in -ldir" >&5
 ac_lib_var=`echo dir'_'opendir | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1754,7 +1756,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldir  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1758 "configure"
+#line 1760 "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
@@ -1765,7 +1767,7 @@ int main() {
 opendir()
 ; return 0; }
 EOF
-if { (eval echo configure:1769: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1771: \"$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
@@ -1787,7 +1789,7 @@ fi
 
 else
 echo $ac_n "checking for opendir in -lx""... $ac_c" 1>&6
-echo "configure:1791: checking for opendir in -lx" >&5
+echo "configure:1793: checking for opendir in -lx" >&5
 ac_lib_var=`echo x'_'opendir | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1795,7 +1797,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lx  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 1799 "configure"
+#line 1801 "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
@@ -1806,7 +1808,7 @@ int main() {
 opendir()
 ; return 0; }
 EOF
-if { (eval echo configure:1810: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1812: \"$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
@@ -1832,9 +1834,9 @@ fi
 # checks for typedefs
 was_it_defined=no
 echo $ac_n "checking for clock_t in time.h""... $ac_c" 1>&6
-echo "configure:1836: checking for clock_t in time.h" >&5
+echo "configure:1838: checking for clock_t in time.h" >&5
 cat > conftest.$ac_ext <<EOF
-#line 1838 "configure"
+#line 1840 "configure"
 #include "confdefs.h"
 #include <time.h>
 EOF
@@ -1862,12 +1864,12 @@ EOF
 
 # Type availability checks
 echo $ac_n "checking for mode_t""... $ac_c" 1>&6
-echo "configure:1866: checking for mode_t" >&5
+echo "configure:1868: checking for mode_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_mode_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1871 "configure"
+#line 1873 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -1895,12 +1897,12 @@ EOF
 fi
 
 echo $ac_n "checking for off_t""... $ac_c" 1>&6
-echo "configure:1899: checking for off_t" >&5
+echo "configure:1901: checking for off_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_off_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1904 "configure"
+#line 1906 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -1928,12 +1930,12 @@ EOF
 fi
 
 echo $ac_n "checking for pid_t""... $ac_c" 1>&6
-echo "configure:1932: checking for pid_t" >&5
+echo "configure:1934: checking for pid_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_pid_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1937 "configure"
+#line 1939 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -1961,12 +1963,12 @@ EOF
 fi
 
 echo $ac_n "checking return type of signal handlers""... $ac_c" 1>&6
-echo "configure:1965: checking return type of signal handlers" >&5
+echo "configure:1967: checking return type of signal handlers" >&5
 if eval "test \"`echo '$''{'ac_cv_type_signal'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 1970 "configure"
+#line 1972 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <signal.h>
@@ -1983,7 +1985,7 @@ int main() {
 int i;
 ; return 0; }
 EOF
-if { (eval echo configure:1987: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:1989: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_type_signal=void
 else
@@ -2002,12 +2004,12 @@ EOF
 
 
 echo $ac_n "checking for size_t""... $ac_c" 1>&6
-echo "configure:2006: checking for size_t" >&5
+echo "configure:2008: checking for size_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_size_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2011 "configure"
+#line 2013 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -2035,12 +2037,12 @@ EOF
 fi
 
 echo $ac_n "checking for uid_t in sys/types.h""... $ac_c" 1>&6
-echo "configure:2039: checking for uid_t in sys/types.h" >&5
+echo "configure:2041: checking for uid_t in sys/types.h" >&5
 if eval "test \"`echo '$''{'ac_cv_type_uid_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2044 "configure"
+#line 2046 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 EOF
@@ -2071,7 +2073,7 @@ fi
 
 # Sizes of various common basic types
 echo $ac_n "checking size of int""... $ac_c" 1>&6
-echo "configure:2075: checking size of int" >&5
+echo "configure:2077: checking size of int" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_int'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2079,7 +2081,7 @@ else
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 2083 "configure"
+#line 2085 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -2090,7 +2092,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:2094: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2096: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_int=`cat conftestval`
 else
@@ -2110,7 +2112,7 @@ EOF
 
 
 echo $ac_n "checking size of long""... $ac_c" 1>&6
-echo "configure:2114: checking size of long" >&5
+echo "configure:2116: checking size of long" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_long'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2118,7 +2120,7 @@ else
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 2122 "configure"
+#line 2124 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -2129,7 +2131,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:2133: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2135: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_long=`cat conftestval`
 else
@@ -2149,7 +2151,7 @@ EOF
 
 
 echo $ac_n "checking size of void *""... $ac_c" 1>&6
-echo "configure:2153: checking size of void *" >&5
+echo "configure:2155: checking size of void *" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_void_p'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2157,7 +2159,7 @@ else
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 2161 "configure"
+#line 2163 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -2168,7 +2170,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:2172: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2174: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_void_p=`cat conftestval`
 else
@@ -2188,7 +2190,7 @@ EOF
 
 
 echo $ac_n "checking size of char""... $ac_c" 1>&6
-echo "configure:2192: checking size of char" >&5
+echo "configure:2194: checking size of char" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_char'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2196,7 +2198,7 @@ else
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 2200 "configure"
+#line 2202 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -2207,7 +2209,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:2211: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2213: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_char=`cat conftestval`
 else
@@ -2227,7 +2229,7 @@ EOF
 
 
 echo $ac_n "checking size of short""... $ac_c" 1>&6
-echo "configure:2231: checking size of short" >&5
+echo "configure:2233: checking size of short" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_short'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2235,7 +2237,7 @@ else
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 2239 "configure"
+#line 2241 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -2246,7 +2248,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:2250: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2252: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_short=`cat conftestval`
 else
@@ -2266,7 +2268,7 @@ EOF
 
 
 echo $ac_n "checking size of float""... $ac_c" 1>&6
-echo "configure:2270: checking size of float" >&5
+echo "configure:2272: checking size of float" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_float'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2274,7 +2276,7 @@ else
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 2278 "configure"
+#line 2280 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -2285,7 +2287,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:2289: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2291: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_float=`cat conftestval`
 else
@@ -2305,7 +2307,7 @@ EOF
 
 
 echo $ac_n "checking size of double""... $ac_c" 1>&6
-echo "configure:2309: checking size of double" >&5
+echo "configure:2311: checking size of double" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_double'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2313,7 +2315,7 @@ else
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 2317 "configure"
+#line 2319 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -2324,7 +2326,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:2328: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2330: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_double=`cat conftestval`
 else
@@ -2344,7 +2346,7 @@ EOF
 
 
 echo $ac_n "checking size of fpos_t""... $ac_c" 1>&6
-echo "configure:2348: checking size of fpos_t" >&5
+echo "configure:2350: checking size of fpos_t" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_fpos_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2352,7 +2354,7 @@ else
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 2356 "configure"
+#line 2358 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -2363,7 +2365,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:2367: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2369: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_fpos_t=`cat conftestval`
 else
@@ -2384,17 +2386,17 @@ EOF
 
 
 echo $ac_n "checking for long long support""... $ac_c" 1>&6
-echo "configure:2388: checking for long long support" >&5
+echo "configure:2390: checking for long long support" >&5
 have_long_long=no
 cat > conftest.$ac_ext <<EOF
-#line 2391 "configure"
+#line 2393 "configure"
 #include "confdefs.h"
 
 int main() {
 long long x; x = (long long)0;
 ; return 0; }
 EOF
-if { (eval echo configure:2398: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2400: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define HAVE_LONG_LONG 1
@@ -2408,7 +2410,7 @@ rm -f conftest*
 echo "$ac_t""$have_long_long" 1>&6
 if test "$have_long_long" = yes ; then
 echo $ac_n "checking size of long long""... $ac_c" 1>&6
-echo "configure:2412: checking size of long long" >&5
+echo "configure:2414: checking size of long long" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_long_long'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2416,7 +2418,7 @@ else
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 2420 "configure"
+#line 2422 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -2427,7 +2429,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:2431: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2433: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_long_long=`cat conftestval`
 else
@@ -2449,17 +2451,17 @@ EOF
 fi
 
 echo $ac_n "checking for uintptr_t support""... $ac_c" 1>&6
-echo "configure:2453: checking for uintptr_t support" >&5
+echo "configure:2455: checking for uintptr_t support" >&5
 have_uintptr_t=no
 cat > conftest.$ac_ext <<EOF
-#line 2456 "configure"
+#line 2458 "configure"
 #include "confdefs.h"
 
 int main() {
 uintptr_t x; x = (uintptr_t)0;
 ; return 0; }
 EOF
-if { (eval echo configure:2463: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2465: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define HAVE_UINTPTR_T 1
@@ -2473,7 +2475,7 @@ rm -f conftest*
 echo "$ac_t""$have_uintptr_t" 1>&6
 if test "$have_uintptr_t" = yes ; then
 echo $ac_n "checking size of uintptr_t""... $ac_c" 1>&6
-echo "configure:2477: checking size of uintptr_t" >&5
+echo "configure:2479: checking size of uintptr_t" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_uintptr_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2481,7 +2483,7 @@ else
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 2485 "configure"
+#line 2487 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 main()
@@ -2492,7 +2494,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:2496: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2498: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_uintptr_t=`cat conftestval`
 else
@@ -2515,7 +2517,7 @@ fi
 
 # Hmph. AC_CHECK_SIZEOF() doesn't include <sys/types.h>.
 echo $ac_n "checking size of off_t""... $ac_c" 1>&6
-echo "configure:2519: checking size of off_t" >&5
+echo "configure:2521: checking size of off_t" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_off_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2523,7 +2525,7 @@ else
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 2527 "configure"
+#line 2529 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 #include <sys/types.h>
@@ -2535,7 +2537,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:2539: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2541: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_off_t=`cat conftestval`
 else
@@ -2557,7 +2559,7 @@ EOF
 
 
 echo $ac_n "checking whether to enable large file support""... $ac_c" 1>&6
-echo "configure:2561: checking whether to enable large file support" >&5
+echo "configure:2563: checking whether to enable large file support" >&5
 if test "$have_long_long" = yes -a \
 	"$ac_cv_sizeof_off_t" -gt "$ac_cv_sizeof_long" -a \
 	"$ac_cv_sizeof_long_long" -ge "$ac_cv_sizeof_off_t"; then
@@ -2572,7 +2574,7 @@ fi
 
 # AC_CHECK_SIZEOF() doesn't include <time.h>.
 echo $ac_n "checking size of time_t""... $ac_c" 1>&6
-echo "configure:2576: checking size of time_t" >&5
+echo "configure:2578: checking size of time_t" >&5
 if eval "test \"`echo '$''{'ac_cv_sizeof_time_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2580,7 +2582,7 @@ else
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 2584 "configure"
+#line 2586 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 #include <time.h>
@@ -2592,7 +2594,7 @@ main()
   exit(0);
 }
 EOF
-if { (eval echo configure:2596: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2598: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_time_t=`cat conftestval`
 else
@@ -2616,17 +2618,17 @@ EOF
 
 # if have pthread_t then define SIZEOF_PTHREAD_T
 echo $ac_n "checking for pthread_t""... $ac_c" 1>&6
-echo "configure:2620: checking for pthread_t" >&5
+echo "configure:2622: checking for pthread_t" >&5
 have_pthread_t=no
 cat > conftest.$ac_ext <<EOF
-#line 2623 "configure"
+#line 2625 "configure"
 #include "confdefs.h"
 #include <pthread.h>
 int main() {
 pthread_t x; x = *(pthread_t*)0;
 ; return 0; }
 EOF
-if { (eval echo configure:2630: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2632: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   have_pthread_t=yes
 else
@@ -2638,7 +2640,7 @@ echo "$ac_t""$have_pthread_t" 1>&6
 if test "$have_pthread_t" = yes ; then
   # AC_CHECK_SIZEOF() doesn't include <pthread.h>.
   echo $ac_n "checking size of pthread_t""... $ac_c" 1>&6
-echo "configure:2642: checking size of pthread_t" >&5
+echo "configure:2644: checking size of pthread_t" >&5
   if eval "test \"`echo '$''{'ac_cv_sizeof_pthread_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2646,7 +2648,7 @@ else
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 2650 "configure"
+#line 2652 "configure"
 #include "confdefs.h"
 #include <stdio.h>
   #include <pthread.h>
@@ -2658,7 +2660,7 @@ else
     exit(0);
   }
 EOF
-if { (eval echo configure:2662: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:2664: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_sizeof_pthread_t=`cat conftestval`
 else
@@ -2696,7 +2698,7 @@ case $ac_sys_system/$ac_sys_release in
 esac
 
 echo $ac_n "checking for --with-next-framework""... $ac_c" 1>&6
-echo "configure:2700: checking for --with-next-framework" >&5
+echo "configure:2702: checking for --with-next-framework" >&5
 if test "$with_next_framework"
 then
 	OPT="$OPT -fno-common"
@@ -2713,7 +2715,7 @@ else
 fi
 
 echo $ac_n "checking for --with-dyld""... $ac_c" 1>&6
-echo "configure:2717: checking for --with-dyld" >&5
+echo "configure:2719: checking for --with-dyld" >&5
 if test "$with_next_framework" -o "$with_dyld"
 then
 	if test "$with_dyld"
@@ -2739,7 +2741,7 @@ fi
 # SO is the extension of shared libraries `(including the dot!)
 # -- usually .so, .sl on HP-UX, .dll on Cygwin
 echo $ac_n "checking SO""... $ac_c" 1>&6
-echo "configure:2743: checking SO" >&5
+echo "configure:2745: checking SO" >&5
 if test -z "$SO"
 then
 	case $ac_sys_system in
@@ -2754,7 +2756,7 @@ echo "$ac_t""$SO" 1>&6
 # (Shared libraries in this instance are shared modules to be loaded into
 # Python, as opposed to building Python itself as a shared library.)
 echo $ac_n "checking LDSHARED""... $ac_c" 1>&6
-echo "configure:2758: checking LDSHARED" >&5
+echo "configure:2760: checking LDSHARED" >&5
 if test -z "$LDSHARED"
 then
 	case $ac_sys_system/$ac_sys_release in
@@ -2807,7 +2809,7 @@ echo "$ac_t""$LDSHARED" 1>&6
 # CCSHARED are the C *flags* used to create objects to go into a shared
 # library (module) -- this is only needed for a few systems
 echo $ac_n "checking CCSHARED""... $ac_c" 1>&6
-echo "configure:2811: checking CCSHARED" >&5
+echo "configure:2813: checking CCSHARED" >&5
 if test -z "$CCSHARED"
 then
 	case $ac_sys_system/$ac_sys_release in
@@ -2832,7 +2834,7 @@ echo "$ac_t""$CCSHARED" 1>&6
 # LINKFORSHARED are the flags passed to the $(CC) command that links
 # the python executable -- this is only needed for a few systems
 echo $ac_n "checking LINKFORSHARED""... $ac_c" 1>&6
-echo "configure:2836: checking LINKFORSHARED" >&5
+echo "configure:2838: checking LINKFORSHARED" >&5
 if test -z "$LINKFORSHARED"
 then
 	case $ac_sys_system/$ac_sys_release in
@@ -2869,7 +2871,7 @@ echo "$ac_t""$LINKFORSHARED" 1>&6
 
 # checks for libraries
 echo $ac_n "checking for dlopen in -ldl""... $ac_c" 1>&6
-echo "configure:2873: checking for dlopen in -ldl" >&5
+echo "configure:2875: checking for dlopen in -ldl" >&5
 ac_lib_var=`echo dl'_'dlopen | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2877,7 +2879,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2881 "configure"
+#line 2883 "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
@@ -2888,7 +2890,7 @@ int main() {
 dlopen()
 ; return 0; }
 EOF
-if { (eval echo configure:2892: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2894: \"$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
@@ -2916,7 +2918,7 @@ else
 fi
 	# Dynamic linking for SunOS/Solaris and SYSV
 echo $ac_n "checking for shl_load in -ldld""... $ac_c" 1>&6
-echo "configure:2920: checking for shl_load in -ldld" >&5
+echo "configure:2922: checking for shl_load in -ldld" >&5
 ac_lib_var=`echo dld'_'shl_load | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2924,7 +2926,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-ldld  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 2928 "configure"
+#line 2930 "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
@@ -2935,7 +2937,7 @@ int main() {
 shl_load()
 ; return 0; }
 EOF
-if { (eval echo configure:2939: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2941: \"$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
@@ -2965,7 +2967,7 @@ fi
 
 # Check for --with-pydebug
 echo $ac_n "checking for --with-pydebug""... $ac_c" 1>&6
-echo "configure:2969: checking for --with-pydebug" >&5
+echo "configure:2971: checking for --with-pydebug" >&5
 # Check whether --with-pydebug or --without-pydebug was given.
 if test "${with_pydebug+set}" = set; then
   withval="$with_pydebug"
@@ -2985,16 +2987,16 @@ fi
 # checks for system dependent C++ extensions support
 case "$ac_sys_system" in
 	AIX*)	echo $ac_n "checking for genuine AIX C++ extensions support""... $ac_c" 1>&6
-echo "configure:2989: checking for genuine AIX C++ extensions support" >&5
+echo "configure:2991: checking for genuine AIX C++ extensions support" >&5
 		cat > conftest.$ac_ext <<EOF
-#line 2991 "configure"
+#line 2993 "configure"
 #include "confdefs.h"
 #include "/usr/lpp/xlC/include/load.h"
 int main() {
 loadAndInit("", 0, "")
 ; return 0; }
 EOF
-if { (eval echo configure:2998: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3000: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define AIX_GENUINE_CPLUSPLUS 1
@@ -3018,7 +3020,7 @@ case "$ac_sys_system" in
 IRIX*) ;;
 *)
 echo $ac_n "checking for t_open in -lnsl""... $ac_c" 1>&6
-echo "configure:3022: checking for t_open in -lnsl" >&5
+echo "configure:3024: checking for t_open in -lnsl" >&5
 ac_lib_var=`echo nsl'_'t_open | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3026,7 +3028,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lnsl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3030 "configure"
+#line 3032 "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
@@ -3037,7 +3039,7 @@ int main() {
 t_open()
 ; return 0; }
 EOF
-if { (eval echo configure:3041: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3043: \"$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
@@ -3058,7 +3060,7 @@ else
 fi
  # SVR4
 echo $ac_n "checking for socket in -lsocket""... $ac_c" 1>&6
-echo "configure:3062: checking for socket in -lsocket" >&5
+echo "configure:3064: checking for socket in -lsocket" >&5
 ac_lib_var=`echo socket'_'socket | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3066,7 +3068,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lsocket $LIBS $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3070 "configure"
+#line 3072 "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
@@ -3077,7 +3079,7 @@ int main() {
 socket()
 ; return 0; }
 EOF
-if { (eval echo configure:3081: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3083: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3102,7 +3104,7 @@ esac
 case "$ac_sys_system" in
 BeOS*)
 echo $ac_n "checking for socket in -lnet""... $ac_c" 1>&6
-echo "configure:3106: checking for socket in -lnet" >&5
+echo "configure:3108: checking for socket in -lnet" >&5
 ac_lib_var=`echo net'_'socket | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3110,7 +3112,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lnet $LIBS $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3114 "configure"
+#line 3116 "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
@@ -3121,7 +3123,7 @@ int main() {
 socket()
 ; return 0; }
 EOF
-if { (eval echo configure:3125: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3127: \"$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
@@ -3145,7 +3147,7 @@ fi
 esac
 
 echo $ac_n "checking for --with-libs""... $ac_c" 1>&6
-echo "configure:3149: checking for --with-libs" >&5
+echo "configure:3151: checking for --with-libs" >&5
 # Check whether --with-libs or --without-libs was given.
 if test "${with_libs+set}" = set; then
   withval="$with_libs"
@@ -3161,7 +3163,7 @@ fi
 # This is used to generate Setup.config
 
 echo $ac_n "checking for initscr in -lncurses""... $ac_c" 1>&6
-echo "configure:3165: checking for initscr in -lncurses" >&5
+echo "configure:3167: checking for initscr in -lncurses" >&5
 ac_lib_var=`echo ncurses'_'initscr | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3169,7 +3171,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lncurses -ltermcap $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3173 "configure"
+#line 3175 "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
@@ -3180,7 +3182,7 @@ int main() {
 initscr()
 ; return 0; }
 EOF
-if { (eval echo configure:3184: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3186: \"$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
@@ -3205,7 +3207,7 @@ fi
 # This is used to generate Setup.config
 
 echo $ac_n "checking for readline in -lreadline""... $ac_c" 1>&6
-echo "configure:3209: checking for readline in -lreadline" >&5
+echo "configure:3211: checking for readline in -lreadline" >&5
 ac_lib_var=`echo readline'_'readline | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3213,7 +3215,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lreadline -ltermcap $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3217 "configure"
+#line 3219 "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
@@ -3224,7 +3226,7 @@ int main() {
 readline()
 ; return 0; }
 EOF
-if { (eval echo configure:3228: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3230: \"$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
@@ -3251,7 +3253,7 @@ fi
 USE_THREAD_MODULE=""
 
 echo $ac_n "checking for --with-dec-threads""... $ac_c" 1>&6
-echo "configure:3255: checking for --with-dec-threads" >&5
+echo "configure:3257: checking for --with-dec-threads" >&5
 
 # Check whether --with-dec-threads or --without-dec-threads was given.
 if test "${with_dec_threads+set}" = set; then
@@ -3268,7 +3270,7 @@ fi
 
 
 echo $ac_n "checking for --with-threads""... $ac_c" 1>&6
-echo "configure:3272: checking for --with-threads" >&5
+echo "configure:3274: checking for --with-threads" >&5
 # Check whether --with-threads or --without-threads was given.
 if test "${with_threads+set}" = set; then
   withval="$with_threads"
@@ -3306,17 +3308,17 @@ EOF
 
     ac_safe=`echo "mach/cthreads.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for mach/cthreads.h""... $ac_c" 1>&6
-echo "configure:3310: checking for mach/cthreads.h" >&5
+echo "configure:3312: checking for mach/cthreads.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3315 "configure"
+#line 3317 "configure"
 #include "confdefs.h"
 #include <mach/cthreads.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:3320: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:3322: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -3345,7 +3347,7 @@ else
   echo "$ac_t""no" 1>&6
 
     echo $ac_n "checking for --with-pth""... $ac_c" 1>&6
-echo "configure:3349: checking for --with-pth" >&5
+echo "configure:3351: checking for --with-pth" >&5
     # Check whether --with-pth or --without-pth was given.
 if test "${with_pth+set}" = set; then
   withval="$with_pth"
@@ -3365,7 +3367,7 @@ else
   
     echo "$ac_t""no" 1>&6
     echo $ac_n "checking for pthread_create in -lpthread""... $ac_c" 1>&6
-echo "configure:3369: checking for pthread_create in -lpthread" >&5
+echo "configure:3371: checking for pthread_create in -lpthread" >&5
 ac_lib_var=`echo pthread'_'pthread_create | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3373,7 +3375,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lpthread  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3377 "configure"
+#line 3379 "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
@@ -3384,7 +3386,7 @@ int main() {
 pthread_create()
 ; return 0; }
 EOF
-if { (eval echo configure:3388: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3390: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3413,12 +3415,12 @@ else
   echo "$ac_t""no" 1>&6
 
     echo $ac_n "checking for pthread_detach""... $ac_c" 1>&6
-echo "configure:3417: checking for pthread_detach" >&5
+echo "configure:3419: checking for pthread_detach" >&5
 if eval "test \"`echo '$''{'ac_cv_func_pthread_detach'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3422 "configure"
+#line 3424 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char pthread_detach(); below.  */
@@ -3441,7 +3443,7 @@ pthread_detach();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3445: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3447: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_pthread_detach=yes"
 else
@@ -3472,17 +3474,17 @@ else
 
     ac_safe=`echo "kernel/OS.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for kernel/OS.h""... $ac_c" 1>&6
-echo "configure:3476: checking for kernel/OS.h" >&5
+echo "configure:3478: checking for kernel/OS.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3481 "configure"
+#line 3483 "configure"
 #include "confdefs.h"
 #include <kernel/OS.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:3486: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:3488: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -3511,7 +3513,7 @@ else
   echo "$ac_t""no" 1>&6
 
     echo $ac_n "checking for pthread_create in -lpthreads""... $ac_c" 1>&6
-echo "configure:3515: checking for pthread_create in -lpthreads" >&5
+echo "configure:3517: checking for pthread_create in -lpthreads" >&5
 ac_lib_var=`echo pthreads'_'pthread_create | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3519,7 +3521,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lpthreads  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3523 "configure"
+#line 3525 "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
@@ -3530,7 +3532,7 @@ int main() {
 pthread_create()
 ; return 0; }
 EOF
-if { (eval echo configure:3534: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3536: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3559,7 +3561,7 @@ else
   echo "$ac_t""no" 1>&6
 
     echo $ac_n "checking for pthread_create in -lc_r""... $ac_c" 1>&6
-echo "configure:3563: checking for pthread_create in -lc_r" >&5
+echo "configure:3565: checking for pthread_create in -lc_r" >&5
 ac_lib_var=`echo c_r'_'pthread_create | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3567,7 +3569,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lc_r  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3571 "configure"
+#line 3573 "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
@@ -3578,7 +3580,7 @@ int main() {
 pthread_create()
 ; return 0; }
 EOF
-if { (eval echo configure:3582: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3584: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3607,7 +3609,7 @@ else
   echo "$ac_t""no" 1>&6
 
     echo $ac_n "checking for __d6_pthread_create in -lthread""... $ac_c" 1>&6
-echo "configure:3611: checking for __d6_pthread_create in -lthread" >&5
+echo "configure:3613: checking for __d6_pthread_create in -lthread" >&5
 ac_lib_var=`echo thread'_'__d6_pthread_create | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3615,7 +3617,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lthread  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3619 "configure"
+#line 3621 "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
@@ -3626,7 +3628,7 @@ int main() {
 __d6_pthread_create()
 ; return 0; }
 EOF
-if { (eval echo configure:3630: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3632: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3655,7 +3657,7 @@ else
   echo "$ac_t""no" 1>&6
 
     echo $ac_n "checking for __pthread_create_system in -lpthread""... $ac_c" 1>&6
-echo "configure:3659: checking for __pthread_create_system in -lpthread" >&5
+echo "configure:3661: checking for __pthread_create_system in -lpthread" >&5
 ac_lib_var=`echo pthread'_'__pthread_create_system | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3663,7 +3665,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lpthread  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3667 "configure"
+#line 3669 "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
@@ -3674,7 +3676,7 @@ int main() {
 __pthread_create_system()
 ; return 0; }
 EOF
-if { (eval echo configure:3678: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3680: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -3703,7 +3705,7 @@ else
   echo "$ac_t""no" 1>&6
 
     echo $ac_n "checking for pthread_create in -lcma""... $ac_c" 1>&6
-echo "configure:3707: checking for pthread_create in -lcma" >&5
+echo "configure:3709: checking for pthread_create in -lcma" >&5
 ac_lib_var=`echo cma'_'pthread_create | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3711,7 +3713,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lcma  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3715 "configure"
+#line 3717 "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
@@ -3722,7 +3724,7 @@ int main() {
 pthread_create()
 ; return 0; }
 EOF
-if { (eval echo configure:3726: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3728: \"$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
@@ -3774,7 +3776,7 @@ fi
 
 
     echo $ac_n "checking for usconfig in -lmpc""... $ac_c" 1>&6
-echo "configure:3778: checking for usconfig in -lmpc" >&5
+echo "configure:3780: checking for usconfig in -lmpc" >&5
 ac_lib_var=`echo mpc'_'usconfig | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3782,7 +3784,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lmpc  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3786 "configure"
+#line 3788 "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
@@ -3793,7 +3795,7 @@ int main() {
 usconfig()
 ; return 0; }
 EOF
-if { (eval echo configure:3797: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3799: \"$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
@@ -3820,7 +3822,7 @@ else
 fi
 
     echo $ac_n "checking for thr_create in -lthread""... $ac_c" 1>&6
-echo "configure:3824: checking for thr_create in -lthread" >&5
+echo "configure:3826: checking for thr_create in -lthread" >&5
 ac_lib_var=`echo thread'_'thr_create | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -3828,7 +3830,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lthread  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3832 "configure"
+#line 3834 "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
@@ -3839,7 +3841,7 @@ int main() {
 thr_create()
 ; return 0; }
 EOF
-if { (eval echo configure:3843: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3845: \"$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
@@ -3880,7 +3882,7 @@ fi
 
 USE_GC_MODULE=""
 echo $ac_n "checking for --with-cycle-gc""... $ac_c" 1>&6
-echo "configure:3884: checking for --with-cycle-gc" >&5
+echo "configure:3886: checking for --with-cycle-gc" >&5
 # Check whether --with-cycle-gc or --without-cycle-gc was given.
 if test "${with_cycle_gc+set}" = set; then
   withval="$with_cycle_gc"
@@ -3902,12 +3904,105 @@ EOF
 fi
 echo "$ac_t""$with_cycle_gc" 1>&6
 
+# Check for DBM support
+
+USE_DBM_MODULE=""
+echo $ac_n "checking for --with-dbm""... $ac_c" 1>&6
+echo "configure:3912: checking for --with-dbm" >&5
+# Check whether --with-dbm or --without-dbm was given.
+if test "${with_dbm+set}" = set; then
+  withval="$with_dbm"
+  :
+fi
+
+
+# enabled by default but one of the dbm.h files must be found
+if test "$ac_cv_header_dbm_h" = "yes" -o "$ac_cv_header_db1_ndbm_h" = "yes" -o "$ac_cv_header_gdbm_ndbm_h" = "yes"
+then
+    if test "$with_dbm" != "no"
+    then with_dbm="yes"
+    fi
+else
+    # make sure user knows why dbm support wasn't enabled even though
+    # s/he requested it
+    if test "$with_dbm" = "yes"
+    then echo $ac_n "(requested by no ndbm.h was found) $ac_c"
+    fi
+    with_dbm="no"
+fi
+
+if test "$with_dbm" = "no"
+then
+    USE_DBM_MODULE="#"
+else
+    cat >> confdefs.h <<\EOF
+#define WITH_LIBNDBM 1
+EOF
+
+fi
+echo "$ac_t""$with_dbm" 1>&6
+
+if test "$with_dbm" = "yes"
+then
+    # check for libndbm
+    
+    echo $ac_n "checking for dbmopen""... $ac_c" 1>&6
+echo "configure:3951: checking for dbmopen" >&5
+if eval "test \"`echo '$''{'ac_cv_func_dbmopen'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 3956 "configure"
+#include "confdefs.h"
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char dbmopen(); below.  */
+#include <assert.h>
+/* Override any gcc2 internal prototype to avoid an error.  */
+/* We use char because int might match the return type of a gcc2
+    builtin and then its argument prototype would still apply.  */
+char dbmopen();
+
+int main() {
+
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined (__stub_dbmopen) || defined (__stub___dbmopen)
+choke me
+#else
+dbmopen();
+#endif
+
+; return 0; }
+EOF
+if { (eval echo configure:3979: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+  rm -rf conftest*
+  eval "ac_cv_func_dbmopen=yes"
+else
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_func_dbmopen=no"
+fi
+rm -f conftest*
+fi
+
+if eval "test \"`echo '$ac_cv_func_'dbmopen`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+  HAVE_LIBNDBM=
+else
+  echo "$ac_t""no" 1>&6
+HAVE_LIBNDBM=-lndbm
+fi
+
+fi
+
 # Check for LIBDB support
 # either --with-libdb or, in its absence, the presence of db.h
 
 USE_BSDDB_MODULE=""
 echo $ac_n "checking for --with-libdb""... $ac_c" 1>&6
-echo "configure:3911: checking for --with-libdb" >&5
+echo "configure:4006: checking for --with-libdb" >&5
 # Check whether --with-libdb or --without-libdb was given.
 if test "${with_libdb+set}" = set; then
   withval="$with_libdb"
@@ -3950,12 +4045,12 @@ then
     # Instead, we just trust it is in libdb; linking will fail if it
     # is not.
     echo $ac_n "checking for dbopen""... $ac_c" 1>&6
-echo "configure:3954: checking for dbopen" >&5
+echo "configure:4049: checking for dbopen" >&5
 if eval "test \"`echo '$''{'ac_cv_func_dbopen'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3959 "configure"
+#line 4054 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char dbopen(); below.  */
@@ -3978,7 +4073,7 @@ dbopen();
 
 ; return 0; }
 EOF
-if { (eval echo configure:3982: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4077: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_dbopen=yes"
 else
@@ -4002,7 +4097,7 @@ fi
 
 # Check for --with-wctype-functions
 echo $ac_n "checking for --with-wctype-functions""... $ac_c" 1>&6
-echo "configure:4006: checking for --with-wctype-functions" >&5
+echo "configure:4101: checking for --with-wctype-functions" >&5
 # Check whether --with-wctype-functions or --without-wctype-functions was given.
 if test "${with_wctype_functions+set}" = set; then
   withval="$with_wctype_functions"
@@ -4024,7 +4119,7 @@ fi
 DLINCLDIR=/
 
 echo $ac_n "checking for --with-sgi-dl""... $ac_c" 1>&6
-echo "configure:4028: checking for --with-sgi-dl" >&5
+echo "configure:4123: checking for --with-sgi-dl" >&5
 # Check whether --with-sgi-dl or --without-sgi-dl was given.
 if test "${with_sgi_dl+set}" = set; then
   withval="$with_sgi_dl"
@@ -4048,7 +4143,7 @@ fi
 
 
 echo $ac_n "checking for --with-dl-dld""... $ac_c" 1>&6
-echo "configure:4052: checking for --with-dl-dld" >&5
+echo "configure:4147: checking for --with-dl-dld" >&5
 # Check whether --with-dl-dld or --without-dl-dld was given.
 if test "${with_dl_dld+set}" = set; then
   withval="$with_dl_dld"
@@ -4077,12 +4172,12 @@ fi
 for ac_func in dlopen
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:4081: checking for $ac_func" >&5
+echo "configure:4176: 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 4086 "configure"
+#line 4181 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -4105,7 +4200,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4109: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4204: \"$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
@@ -4134,7 +4229,7 @@ done
 # loading of modules.
 
 echo $ac_n "checking DYNLOADFILE""... $ac_c" 1>&6
-echo "configure:4138: checking DYNLOADFILE" >&5
+echo "configure:4233: checking DYNLOADFILE" >&5
 if test -z "$DYNLOADFILE"
 then
 	case $ac_sys_system/$ac_sys_release in
@@ -4175,12 +4270,12 @@ for ac_func in alarm chown clock confstr ctermid ctermid_r execv \
  truncate uname waitpid _getpty
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:4179: checking for $ac_func" >&5
+echo "configure:4274: 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 4184 "configure"
+#line 4279 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -4203,7 +4298,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4207: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4302: \"$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
@@ -4233,12 +4328,12 @@ done
 for ac_func in openpty
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:4237: checking for $ac_func" >&5
+echo "configure:4332: 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 4242 "configure"
+#line 4337 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -4261,7 +4356,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4265: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4360: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -4283,7 +4378,7 @@ EOF
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for openpty in -lutil""... $ac_c" 1>&6
-echo "configure:4287: checking for openpty in -lutil" >&5
+echo "configure:4382: checking for openpty in -lutil" >&5
 ac_lib_var=`echo util'_'openpty | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4291,7 +4386,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lutil  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4295 "configure"
+#line 4390 "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
@@ -4302,7 +4397,7 @@ int main() {
 openpty()
 ; return 0; }
 EOF
-if { (eval echo configure:4306: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4401: \"$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
@@ -4331,12 +4426,12 @@ done
 for ac_func in forkpty
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:4335: checking for $ac_func" >&5
+echo "configure:4430: 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 4340 "configure"
+#line 4435 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -4359,7 +4454,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4363: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4458: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -4381,7 +4476,7 @@ EOF
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for forkpty in -lutil""... $ac_c" 1>&6
-echo "configure:4385: checking for forkpty in -lutil" >&5
+echo "configure:4480: checking for forkpty in -lutil" >&5
 ac_lib_var=`echo util'_'forkpty | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -4389,7 +4484,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lutil  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 4393 "configure"
+#line 4488 "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
@@ -4400,7 +4495,7 @@ int main() {
 forkpty()
 ; return 0; }
 EOF
-if { (eval echo configure:4404: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4499: \"$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
@@ -4431,12 +4526,12 @@ done
 for ac_func in fseek64 fseeko fstatvfs ftell64 ftello statvfs
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:4435: checking for $ac_func" >&5
+echo "configure:4530: 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 4440 "configure"
+#line 4535 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -4459,7 +4554,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4463: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4558: \"$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
@@ -4487,12 +4582,12 @@ done
 for ac_func in dup2 getcwd strdup strerror memmove
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:4491: checking for $ac_func" >&5
+echo "configure:4586: 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 4496 "configure"
+#line 4591 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -4515,7 +4610,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4519: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4614: \"$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
@@ -4544,12 +4639,12 @@ done
 for ac_func in getpgrp
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:4548: checking for $ac_func" >&5
+echo "configure:4643: 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 4553 "configure"
+#line 4648 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -4572,7 +4667,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4576: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4671: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -4591,14 +4686,14 @@ if eval "test \"`echo '$ac_cv_func_'$ac_func`\" = yes"; then
 #define $ac_tr_func 1
 EOF
  cat > conftest.$ac_ext <<EOF
-#line 4595 "configure"
+#line 4690 "configure"
 #include "confdefs.h"
 #include <unistd.h>
 int main() {
 getpgrp(0);
 ; return 0; }
 EOF
-if { (eval echo configure:4602: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4697: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define GETPGRP_HAVE_ARG 1
@@ -4617,12 +4712,12 @@ done
 for ac_func in setpgrp
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:4621: checking for $ac_func" >&5
+echo "configure:4716: 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 4626 "configure"
+#line 4721 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -4645,7 +4740,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4649: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4744: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -4664,14 +4759,14 @@ if eval "test \"`echo '$ac_cv_func_'$ac_func`\" = yes"; then
 #define $ac_tr_func 1
 EOF
  cat > conftest.$ac_ext <<EOF
-#line 4668 "configure"
+#line 4763 "configure"
 #include "confdefs.h"
 #include <unistd.h>
 int main() {
 setpgrp(0,0);
 ; return 0; }
 EOF
-if { (eval echo configure:4675: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4770: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define SETPGRP_HAVE_ARG 1
@@ -4690,12 +4785,12 @@ done
 for ac_func in gettimeofday
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:4694: checking for $ac_func" >&5
+echo "configure:4789: 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 4699 "configure"
+#line 4794 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -4718,7 +4813,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:4722: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4817: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -4737,14 +4832,14 @@ if eval "test \"`echo '$ac_cv_func_'$ac_func`\" = yes"; then
 #define $ac_tr_func 1
 EOF
  cat > conftest.$ac_ext <<EOF
-#line 4741 "configure"
+#line 4836 "configure"
 #include "confdefs.h"
 #include <sys/time.h>
 int main() {
 gettimeofday((struct timeval*)0,(struct timezone*)0);
 ; return 0; }
 EOF
-if { (eval echo configure:4748: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4843: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   :
 else
   echo "configure: failed program was:" >&5
@@ -4764,12 +4859,12 @@ done
 
 # checks for structures
 echo $ac_n "checking whether time.h and sys/time.h may both be included""... $ac_c" 1>&6
-echo "configure:4768: checking whether time.h and sys/time.h may both be included" >&5
+echo "configure:4863: checking whether time.h and sys/time.h may both be included" >&5
 if eval "test \"`echo '$''{'ac_cv_header_time'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4773 "configure"
+#line 4868 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/time.h>
@@ -4778,7 +4873,7 @@ int main() {
 struct tm *tp;
 ; return 0; }
 EOF
-if { (eval echo configure:4782: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4877: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_header_time=yes
 else
@@ -4799,12 +4894,12 @@ EOF
 fi
 
 echo $ac_n "checking whether struct tm is in sys/time.h or time.h""... $ac_c" 1>&6
-echo "configure:4803: checking whether struct tm is in sys/time.h or time.h" >&5
+echo "configure:4898: checking whether struct tm is in sys/time.h or time.h" >&5
 if eval "test \"`echo '$''{'ac_cv_struct_tm'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4808 "configure"
+#line 4903 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <time.h>
@@ -4812,7 +4907,7 @@ int main() {
 struct tm *tp; tp->tm_sec;
 ; return 0; }
 EOF
-if { (eval echo configure:4816: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4911: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_struct_tm=time.h
 else
@@ -4833,12 +4928,12 @@ EOF
 fi
 
 echo $ac_n "checking for tm_zone in struct tm""... $ac_c" 1>&6
-echo "configure:4837: checking for tm_zone in struct tm" >&5
+echo "configure:4932: checking for tm_zone in struct tm" >&5
 if eval "test \"`echo '$''{'ac_cv_struct_tm_zone'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4842 "configure"
+#line 4937 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <$ac_cv_struct_tm>
@@ -4846,7 +4941,7 @@ int main() {
 struct tm tm; tm.tm_zone;
 ; return 0; }
 EOF
-if { (eval echo configure:4850: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:4945: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_struct_tm_zone=yes
 else
@@ -4866,12 +4961,12 @@ EOF
 
 else
   echo $ac_n "checking for tzname""... $ac_c" 1>&6
-echo "configure:4870: checking for tzname" >&5
+echo "configure:4965: checking for tzname" >&5
 if eval "test \"`echo '$''{'ac_cv_var_tzname'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4875 "configure"
+#line 4970 "configure"
 #include "confdefs.h"
 #include <time.h>
 #ifndef tzname /* For SGI.  */
@@ -4881,7 +4976,7 @@ int main() {
 atoi(*tzname);
 ; return 0; }
 EOF
-if { (eval echo configure:4885: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:4980: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_cv_var_tzname=yes
 else
@@ -4904,19 +4999,19 @@ fi
 
 
 echo $ac_n "checking for time.h that defines altzone""... $ac_c" 1>&6
-echo "configure:4908: checking for time.h that defines altzone" >&5
+echo "configure:5003: checking for time.h that defines altzone" >&5
 if eval "test \"`echo '$''{'ac_cv_header_time_altzone'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4913 "configure"
+#line 5008 "configure"
 #include "confdefs.h"
 #include <time.h>
 int main() {
 return altzone;
 ; return 0; }
 EOF
-if { (eval echo configure:4920: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5015: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_header_time_altzone=yes
 else
@@ -4938,9 +5033,9 @@ fi
 
 was_it_defined=no
 echo $ac_n "checking whether sys/select.h and sys/time.h may both be included""... $ac_c" 1>&6
-echo "configure:4942: checking whether sys/select.h and sys/time.h may both be included" >&5
+echo "configure:5037: checking whether sys/select.h and sys/time.h may both be included" >&5
 cat > conftest.$ac_ext <<EOF
-#line 4944 "configure"
+#line 5039 "configure"
 #include "confdefs.h"
 
 #include <sys/types.h>
@@ -4951,7 +5046,7 @@ int main() {
 ;
 ; return 0; }
 EOF
-if { (eval echo configure:4955: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5050: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define SYS_SELECT_WITH_SYS_TIME 1
@@ -4967,14 +5062,14 @@ echo "$ac_t""$was_it_defined" 1>&6
 # checks for compiler characteristics
 
 echo $ac_n "checking whether char is unsigned""... $ac_c" 1>&6
-echo "configure:4971: checking whether char is unsigned" >&5
+echo "configure:5066: checking whether char is unsigned" >&5
 if eval "test \"`echo '$''{'ac_cv_c_char_unsigned'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test "$GCC" = yes; then
   # GCC predefines this symbol on systems where it applies.
 cat > conftest.$ac_ext <<EOF
-#line 4978 "configure"
+#line 5073 "configure"
 #include "confdefs.h"
 #ifdef __CHAR_UNSIGNED__
   yes
@@ -4996,7 +5091,7 @@ if test "$cross_compiling" = yes; then
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 5000 "configure"
+#line 5095 "configure"
 #include "confdefs.h"
 /* volatile prevents gcc2 from optimizing the test away on sparcs.  */
 #if !defined(__STDC__) || __STDC__ != 1
@@ -5006,7 +5101,7 @@ main() {
   volatile char c = 255; exit(c < 0);
 }
 EOF
-if { (eval echo configure:5010: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:5105: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_c_char_unsigned=yes
 else
@@ -5030,12 +5125,12 @@ EOF
 fi
 
 echo $ac_n "checking for working const""... $ac_c" 1>&6
-echo "configure:5034: checking for working const" >&5
+echo "configure:5129: checking for working const" >&5
 if eval "test \"`echo '$''{'ac_cv_c_const'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5039 "configure"
+#line 5134 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -5084,7 +5179,7 @@ ccp = (char const *const *) p;
 
 ; return 0; }
 EOF
-if { (eval echo configure:5088: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5183: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_const=yes
 else
@@ -5107,16 +5202,16 @@ fi
 
 works=no
 echo $ac_n "checking for working volatile""... $ac_c" 1>&6
-echo "configure:5111: checking for working volatile" >&5
+echo "configure:5206: checking for working volatile" >&5
 cat > conftest.$ac_ext <<EOF
-#line 5113 "configure"
+#line 5208 "configure"
 #include "confdefs.h"
 
 int main() {
 volatile int x; x = 0;
 ; return 0; }
 EOF
-if { (eval echo configure:5120: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5215: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   works=yes
 else
@@ -5133,16 +5228,16 @@ echo "$ac_t""$works" 1>&6
 
 works=no
 echo $ac_n "checking for working signed char""... $ac_c" 1>&6
-echo "configure:5137: checking for working signed char" >&5
+echo "configure:5232: checking for working signed char" >&5
 cat > conftest.$ac_ext <<EOF
-#line 5139 "configure"
+#line 5234 "configure"
 #include "confdefs.h"
 
 int main() {
 signed char c;
 ; return 0; }
 EOF
-if { (eval echo configure:5146: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5241: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   works=yes
 else
@@ -5159,16 +5254,16 @@ echo "$ac_t""$works" 1>&6
 
 have_prototypes=no
 echo $ac_n "checking for prototypes""... $ac_c" 1>&6
-echo "configure:5163: checking for prototypes" >&5
+echo "configure:5258: checking for prototypes" >&5
 cat > conftest.$ac_ext <<EOF
-#line 5165 "configure"
+#line 5260 "configure"
 #include "confdefs.h"
 int foo(int x) { return 0; }
 int main() {
 return foo(10);
 ; return 0; }
 EOF
-if { (eval echo configure:5172: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5267: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define HAVE_PROTOTYPES 1
@@ -5183,9 +5278,9 @@ echo "$ac_t""$have_prototypes" 1>&6
 
 works=no
 echo $ac_n "checking for variable length prototypes and stdarg.h""... $ac_c" 1>&6
-echo "configure:5187: checking for variable length prototypes and stdarg.h" >&5
+echo "configure:5282: checking for variable length prototypes and stdarg.h" >&5
 cat > conftest.$ac_ext <<EOF
-#line 5189 "configure"
+#line 5284 "configure"
 #include "confdefs.h"
 
 #include <stdarg.h>
@@ -5202,7 +5297,7 @@ int main() {
 return foo(10, "", 3.14);
 ; return 0; }
 EOF
-if { (eval echo configure:5206: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5301: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   cat >> confdefs.h <<\EOF
 #define HAVE_STDARG_PROTOTYPES 1
@@ -5218,16 +5313,16 @@ echo "$ac_t""$works" 1>&6
 if test "$have_prototypes" = yes; then
 bad_prototypes=no
 echo $ac_n "checking for bad exec* prototypes""... $ac_c" 1>&6
-echo "configure:5222: checking for bad exec* prototypes" >&5
+echo "configure:5317: checking for bad exec* prototypes" >&5
 cat > conftest.$ac_ext <<EOF
-#line 5224 "configure"
+#line 5319 "configure"
 #include "confdefs.h"
 #include <unistd.h>
 int main() {
 char **t;execve("@",t,t);
 ; return 0; }
 EOF
-if { (eval echo configure:5231: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5326: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   :
 else
   echo "configure: failed program was:" >&5
@@ -5244,12 +5339,12 @@ fi
 
 bad_forward=no
 echo $ac_n "checking for bad static forward""... $ac_c" 1>&6
-echo "configure:5248: checking for bad static forward" >&5
+echo "configure:5343: checking for bad static forward" >&5
 if test "$cross_compiling" = yes; then
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 5253 "configure"
+#line 5348 "configure"
 #include "confdefs.h"
 
 struct s { int a; int b; };
@@ -5265,7 +5360,7 @@ main() {
 }
 
 EOF
-if { (eval echo configure:5269: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:5364: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   :
 else
@@ -5284,9 +5379,9 @@ echo "$ac_t""$bad_forward" 1>&6
 
 va_list_is_array=no
 echo $ac_n "checking whether va_list is an array""... $ac_c" 1>&6
-echo "configure:5288: checking whether va_list is an array" >&5
+echo "configure:5383: checking whether va_list is an array" >&5
 cat > conftest.$ac_ext <<EOF
-#line 5290 "configure"
+#line 5385 "configure"
 #include "confdefs.h"
 
 #ifdef HAVE_STDARG_PROTOTYPES
@@ -5299,7 +5394,7 @@ int main() {
 va_list list1, list2; list1 = list2;
 ; return 0; }
 EOF
-if { (eval echo configure:5303: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5398: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   :
 else
   echo "configure: failed program was:" >&5
@@ -5315,12 +5410,12 @@ echo "$ac_t""$va_list_is_array" 1>&6
 
 # sigh -- gethostbyname_r is a mess; it can have 3, 5 or 6 arguments :-(
 echo $ac_n "checking for gethostbyname_r""... $ac_c" 1>&6
-echo "configure:5319: checking for gethostbyname_r" >&5
+echo "configure:5414: checking for gethostbyname_r" >&5
 if eval "test \"`echo '$''{'ac_cv_func_gethostbyname_r'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5324 "configure"
+#line 5419 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char gethostbyname_r(); below.  */
@@ -5343,7 +5438,7 @@ gethostbyname_r();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5347: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5442: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_gethostbyname_r=yes"
 else
@@ -5363,11 +5458,11 @@ if eval "test \"`echo '$ac_cv_func_'gethostbyname_r`\" = yes"; then
 EOF
 
   echo $ac_n "checking gethostbyname_r with 6 args""... $ac_c" 1>&6
-echo "configure:5367: checking gethostbyname_r with 6 args" >&5
+echo "configure:5462: checking gethostbyname_r with 6 args" >&5
   OLD_CFLAGS=$CFLAGS
   CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
   cat > conftest.$ac_ext <<EOF
-#line 5371 "configure"
+#line 5466 "configure"
 #include "confdefs.h"
 
 #   include <netdb.h>
@@ -5384,7 +5479,7 @@ int main() {
   
 ; return 0; }
 EOF
-if { (eval echo configure:5388: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5483: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
     cat >> confdefs.h <<\EOF
@@ -5404,9 +5499,9 @@ else
   
     echo "$ac_t""no" 1>&6
     echo $ac_n "checking gethostbyname_r with 5 args""... $ac_c" 1>&6
-echo "configure:5408: checking gethostbyname_r with 5 args" >&5
+echo "configure:5503: checking gethostbyname_r with 5 args" >&5
     cat > conftest.$ac_ext <<EOF
-#line 5410 "configure"
+#line 5505 "configure"
 #include "confdefs.h"
 
 #     include <netdb.h>
@@ -5423,7 +5518,7 @@ int main() {
     
 ; return 0; }
 EOF
-if { (eval echo configure:5427: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5522: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
       cat >> confdefs.h <<\EOF
@@ -5443,9 +5538,9 @@ else
   
       echo "$ac_t""no" 1>&6
       echo $ac_n "checking gethostbyname_r with 3 args""... $ac_c" 1>&6
-echo "configure:5447: checking gethostbyname_r with 3 args" >&5
+echo "configure:5542: checking gethostbyname_r with 3 args" >&5
       cat > conftest.$ac_ext <<EOF
-#line 5449 "configure"
+#line 5544 "configure"
 #include "confdefs.h"
 
 #       include <netdb.h>
@@ -5460,7 +5555,7 @@ int main() {
       
 ; return 0; }
 EOF
-if { (eval echo configure:5464: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5559: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   
         cat >> confdefs.h <<\EOF
@@ -5496,12 +5591,12 @@ else
   for ac_func in gethostbyname
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:5500: checking for $ac_func" >&5
+echo "configure:5595: 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 5505 "configure"
+#line 5600 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -5524,7 +5619,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5528: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5623: \"$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
@@ -5562,12 +5657,12 @@ fi
 
 # Linux requires this for correct f.p. operations
 echo $ac_n "checking for __fpu_control""... $ac_c" 1>&6
-echo "configure:5566: checking for __fpu_control" >&5
+echo "configure:5661: checking for __fpu_control" >&5
 if eval "test \"`echo '$''{'ac_cv_func___fpu_control'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5571 "configure"
+#line 5666 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char __fpu_control(); below.  */
@@ -5590,7 +5685,7 @@ __fpu_control();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5594: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5689: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func___fpu_control=yes"
 else
@@ -5608,7 +5703,7 @@ if eval "test \"`echo '$ac_cv_func_'__fpu_control`\" = yes"; then
 else
   echo "$ac_t""no" 1>&6
 echo $ac_n "checking for __fpu_control in -lieee""... $ac_c" 1>&6
-echo "configure:5612: checking for __fpu_control in -lieee" >&5
+echo "configure:5707: checking for __fpu_control in -lieee" >&5
 ac_lib_var=`echo ieee'_'__fpu_control | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5616,7 +5711,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lieee  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5620 "configure"
+#line 5715 "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
@@ -5627,7 +5722,7 @@ int main() {
 __fpu_control()
 ; return 0; }
 EOF
-if { (eval echo configure:5631: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5726: \"$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
@@ -5660,7 +5755,7 @@ fi
 
 # Check for --with-fpectl
 echo $ac_n "checking for --with-fpectl""... $ac_c" 1>&6
-echo "configure:5664: checking for --with-fpectl" >&5
+echo "configure:5759: checking for --with-fpectl" >&5
 # Check whether --with-fpectl or --without-fpectl was given.
 if test "${with_fpectl+set}" = set; then
   withval="$with_fpectl"
@@ -5686,7 +5781,7 @@ BeOS) ;;
 *) LIBM=-lm
 esac
 echo $ac_n "checking for --with-libm=STRING""... $ac_c" 1>&6
-echo "configure:5690: checking for --with-libm=STRING" >&5
+echo "configure:5785: checking for --with-libm=STRING" >&5
 # Check whether --with-libm or --without-libm was given.
 if test "${with_libm+set}" = set; then
   withval="$with_libm"
@@ -5707,7 +5802,7 @@ fi
 # check for --with-libc=...
 
 echo $ac_n "checking for --with-libc=STRING""... $ac_c" 1>&6
-echo "configure:5711: checking for --with-libc=STRING" >&5
+echo "configure:5806: checking for --with-libc=STRING" >&5
 # Check whether --with-libc or --without-libc was given.
 if test "${with_libc+set}" = set; then
   withval="$with_libc"
@@ -5733,7 +5828,7 @@ if test "${with_check_import_case+set}" = set; then
 fi
 
 echo $ac_n "checking for --with-check-import-case""... $ac_c" 1>&6
-echo "configure:5737: checking for --with-check-import-case" >&5
+echo "configure:5832: checking for --with-check-import-case" >&5
 if test "$with_check_import_case"
 then
 	cat >> confdefs.h <<\EOF
@@ -5751,12 +5846,12 @@ LIBS="$LIBS $LIBM"
 for ac_func in hypot
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:5755: checking for $ac_func" >&5
+echo "configure:5850: 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 5760 "configure"
+#line 5855 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -5779,7 +5874,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:5783: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5878: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -5809,7 +5904,7 @@ LIBS=$LIBS_SAVE
 
 # check whether malloc(0) returns NULL or not
 echo $ac_n "checking what malloc(0) returns""... $ac_c" 1>&6
-echo "configure:5813: checking what malloc(0) returns" >&5
+echo "configure:5908: checking what malloc(0) returns" >&5
 if eval "test \"`echo '$''{'ac_cv_malloc_zero'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -5817,7 +5912,7 @@ else
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 5821 "configure"
+#line 5916 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 #ifdef HAVE_STDLIB
@@ -5836,7 +5931,7 @@ main() {
 	exit(0);
 }
 EOF
-if { (eval echo configure:5840: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:5935: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_malloc_zero=nonnull
 else
@@ -5862,17 +5957,17 @@ fi
 # check for wchar.h
 ac_safe=`echo "wchar.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for wchar.h""... $ac_c" 1>&6
-echo "configure:5866: checking for wchar.h" >&5
+echo "configure:5961: checking for wchar.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5871 "configure"
+#line 5966 "configure"
 #include "confdefs.h"
 #include <wchar.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5876: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5971: \"$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*
@@ -5902,12 +5997,12 @@ fi
 # check for usable wchar_t
 usable_wchar_t="unkown"
 echo $ac_n "checking for usable wchar_t""... $ac_c" 1>&6
-echo "configure:5906: checking for usable wchar_t" >&5
+echo "configure:6001: checking for usable wchar_t" >&5
 if test "$cross_compiling" = yes; then
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 5911 "configure"
+#line 6006 "configure"
 #include "confdefs.h"
 
 #include "wchar.h"
@@ -5921,7 +6016,7 @@ main() {
 }
 
 EOF
-if { (eval echo configure:5925: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:6020: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   cat >> confdefs.h <<\EOF
 #define HAVE_USABLE_WCHAR_T 1
@@ -5940,14 +6035,14 @@ echo "$ac_t""$usable_wchar_t" 1>&6
 
 # check for endianness
 echo $ac_n "checking whether byte ordering is bigendian""... $ac_c" 1>&6
-echo "configure:5944: checking whether byte ordering is bigendian" >&5
+echo "configure:6039: checking whether byte ordering is bigendian" >&5
 if eval "test \"`echo '$''{'ac_cv_c_bigendian'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_cv_c_bigendian=unknown
 # See if sys/param.h defines the BYTE_ORDER macro.
 cat > conftest.$ac_ext <<EOF
-#line 5951 "configure"
+#line 6046 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/param.h>
@@ -5958,11 +6053,11 @@ int main() {
 #endif
 ; return 0; }
 EOF
-if { (eval echo configure:5962: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6057: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   # It does; now see whether it defined to BIG_ENDIAN or not.
 cat > conftest.$ac_ext <<EOF
-#line 5966 "configure"
+#line 6061 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #include <sys/param.h>
@@ -5973,7 +6068,7 @@ int main() {
 #endif
 ; return 0; }
 EOF
-if { (eval echo configure:5977: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6072: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_c_bigendian=yes
 else
@@ -5993,7 +6088,7 @@ if test "$cross_compiling" = yes; then
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 5997 "configure"
+#line 6092 "configure"
 #include "confdefs.h"
 main () {
   /* Are we little or big endian?  From Harbison&Steele.  */
@@ -6006,7 +6101,7 @@ main () {
   exit (u.c[sizeof (long) - 1] == 1);
 }
 EOF
-if { (eval echo configure:6010: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:6105: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_c_bigendian=no
 else
@@ -6033,7 +6128,7 @@ fi
 # Check whether right shifting a negative integer extends the sign bit
 # or fills with zeros (like the Cray J90, according to Tim Peters).
 echo $ac_n "checking whether right shift extends the sign bit""... $ac_c" 1>&6
-echo "configure:6037: checking whether right shift extends the sign bit" >&5
+echo "configure:6132: checking whether right shift extends the sign bit" >&5
 if eval "test \"`echo '$''{'ac_cv_rshift_extends_sign'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -6042,7 +6137,7 @@ if test "$cross_compiling" = yes; then
     { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
 else
   cat > conftest.$ac_ext <<EOF
-#line 6046 "configure"
+#line 6141 "configure"
 #include "confdefs.h"
 
 int main()
@@ -6051,7 +6146,7 @@ int main()
 }
 
 EOF
-if { (eval echo configure:6055: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:6150: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_rshift_extends_sign=yes
 else
@@ -6076,13 +6171,13 @@ fi
 
 # check for getc_unlocked and related locking functions
 echo $ac_n "checking for getc_unlocked() and friends""... $ac_c" 1>&6
-echo "configure:6080: checking for getc_unlocked() and friends" >&5
+echo "configure:6175: checking for getc_unlocked() and friends" >&5
 if eval "test \"`echo '$''{'ac_cv_have_getc_unlocked'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
 cat > conftest.$ac_ext <<EOF
-#line 6086 "configure"
+#line 6181 "configure"
 #include "confdefs.h"
 #include <stdio.h>
 int main() {
@@ -6094,7 +6189,7 @@ int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:6098: \"$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*
   ac_cv_have_getc_unlocked=yes
 else
@@ -6123,12 +6218,12 @@ cat >> confdefs.h <<\EOF
 #endif
 EOF
 echo $ac_n "checking for socklen_t""... $ac_c" 1>&6
-echo "configure:6127: checking for socklen_t" >&5
+echo "configure:6222: checking for socklen_t" >&5
 if eval "test \"`echo '$''{'ac_cv_type_socklen_t'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6132 "configure"
+#line 6227 "configure"
 #include "confdefs.h"
 #include <sys/types.h>
 #if STDC_HEADERS
@@ -6157,7 +6252,7 @@ fi
 
 
 echo $ac_n "checking for Modules/Setup""... $ac_c" 1>&6
-echo "configure:6161: checking for Modules/Setup" >&5
+echo "configure:6256: checking for Modules/Setup" >&5
 if test ! -f Modules/Setup ; then
     if test ! -d Modules ; then
         mkdir Modules
@@ -6337,6 +6432,8 @@ s%@USE_READLINE_MODULE@%$USE_READLINE_MODULE%g
 s%@USE_THREAD_MODULE@%$USE_THREAD_MODULE%g
 s%@LDLAST@%$LDLAST%g
 s%@USE_GC_MODULE@%$USE_GC_MODULE%g
+s%@USE_DBM_MODULE@%$USE_DBM_MODULE%g
+s%@HAVE_LIBNDBM@%$HAVE_LIBNDBM%g
 s%@USE_BSDDB_MODULE@%$USE_BSDDB_MODULE%g
 s%@HAVE_LIBDB@%$HAVE_LIBDB%g
 s%@DLINCLDIR@%$DLINCLDIR%g
diff --git a/configure.in b/configure.in
index 898e811d68f..8fa11e8a82f 100644
--- a/configure.in
+++ b/configure.in
@@ -888,6 +888,43 @@ else
 fi
 AC_MSG_RESULT($with_cycle_gc)
 
+# Check for DBM support
+AC_SUBST(USE_DBM_MODULE)
+USE_DBM_MODULE=""
+AC_MSG_CHECKING(for --with-dbm)
+AC_ARG_WITH(dbm,
+[  --with(out)-dbm                 disable/enable dbm module])
+
+# enabled by default but one of the dbm.h files must be found
+if test "$ac_cv_header_dbm_h" = "yes" -o "$ac_cv_header_db1_ndbm_h" = "yes" -o "$ac_cv_header_gdbm_ndbm_h" = "yes"
+then
+    if test "$with_dbm" != "no"
+    then with_dbm="yes"
+    fi
+else
+    # make sure user knows why dbm support wasn't enabled even though
+    # s/he requested it
+    if test "$with_dbm" = "yes"
+    then echo $ac_n "(requested by no ndbm.h was found) $ac_c"
+    fi
+    with_dbm="no"
+fi
+
+if test "$with_dbm" = "no"
+then
+    USE_DBM_MODULE="#"
+else
+    AC_DEFINE(WITH_LIBNDBM)
+fi
+AC_MSG_RESULT($with_dbm)
+
+if test "$with_dbm" = "yes"
+then
+    # check for libndbm
+    AC_SUBST(HAVE_LIBNDBM)
+    AC_CHECK_FUNC(dbmopen, [HAVE_LIBNDBM=], [HAVE_LIBNDBM=-lndbm])
+fi
+
 # Check for LIBDB support
 # either --with-libdb or, in its absence, the presence of db.h
 AC_SUBST(USE_BSDDB_MODULE)