+fi
+
+if test "$cf_regex_func" = no ; then
+ { echo "$as_me:13277: WARNING: cannot find regular expression library" >&5
+echo "$as_me: WARNING: cannot find regular expression library" >&2;}
+fi
+
+echo "$as_me:13281: checking for regular-expression headers" >&5
+echo $ECHO_N "checking for regular-expression headers... $ECHO_C" >&6
+if test "${cf_cv_regex_hdrs+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+cf_cv_regex_hdrs=no
+case $cf_regex_func in #(vi
+compile) #(vi
+ for cf_regex_hdr in regexp.h regexpr.h
+ do
+ cat >conftest.$ac_ext <<_ACEOF
+#line 13293 "configure"
+#include "confdefs.h"
+#include <$cf_regex_hdr>
+int
+main ()
+{
+
+ char *p = compile("", "", "", 0);
+ int x = step("", "");
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:13308: \"$ac_link\"") >&5
+ (eval $ac_link) 2>&5
+ ac_status=$?
+ echo "$as_me:13311: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest$ac_exeext'
+ { (eval echo "$as_me:13314: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:13317: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+
+ cf_cv_regex_hdrs=$cf_regex_hdr
+ break
+
+else
+ echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+fi
+rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+ done
+ ;;
+*)
+ for cf_regex_hdr in regex.h
+ do
+ cat >conftest.$ac_ext <<_ACEOF
+#line 13334 "configure"
+#include "confdefs.h"
+#include <sys/types.h>
+#include <$cf_regex_hdr>
+int
+main ()
+{
+
+ regex_t *p;
+ int x = regcomp(p, "", 0);
+ int y = regexec(p, "", 0, 0, 0);
+ regfree(p);
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:13352: \"$ac_link\"") >&5
+ (eval $ac_link) 2>&5
+ ac_status=$?
+ echo "$as_me:13355: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest$ac_exeext'
+ { (eval echo "$as_me:13358: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:13361: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+
+ cf_cv_regex_hdrs=$cf_regex_hdr
+ break
+
+else
+ echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+fi
+rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+ done
+ ;;
+esac
+
+fi
+echo "$as_me:13377: result: $cf_cv_regex_hdrs" >&5
+echo "${ECHO_T}$cf_cv_regex_hdrs" >&6
+
+case $cf_cv_regex_hdrs in #(vi
+ no) { echo "$as_me:13381: WARNING: no regular expression header found" >&5
+echo "$as_me: WARNING: no regular expression header found" >&2;} ;; #(vi
+ regex.h) cat >>confdefs.h <<\EOF
+#define HAVE_REGEX_H_FUNCS 1
+EOF
+ ;; #(vi
+ regexp.h) cat >>confdefs.h <<\EOF
+#define HAVE_REGEXP_H_FUNCS 1
+EOF
+ ;; #(vi
+ regexpr.h) cat >>confdefs.h <<\EOF
+#define HAVE_REGEXPR_H_FUNCS 1
+EOF
+ ;;
+esac
+
+for ac_header in \
+fcntl.h \
+getopt.h \
+limits.h \
+locale.h \
+math.h \
+poll.h \
+sys/bsdtypes.h \
+sys/ioctl.h \
+sys/param.h \
+sys/poll.h \
+sys/select.h \
+sys/time.h \
+sys/times.h \
+ttyent.h \
+unistd.h \
+wctype.h \
+
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+echo "$as_me:13417: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+#line 13423 "configure"
+#include "confdefs.h"
+#include <$ac_header>
+_ACEOF
+if { (eval echo "$as_me:13427: \"$ac_cpp conftest.$ac_ext\"") >&5
+ (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+ ac_status=$?
+ egrep -v '^ *\+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:13433: \$? = $ac_status" >&5
+ (exit $ac_status); } >/dev/null; then
+ if test -s conftest.err; then
+ ac_cpp_err=$ac_c_preproc_warn_flag
+ else
+ ac_cpp_err=
+ fi
+else
+ ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
+ eval "$as_ac_Header=yes"
+else
+ echo "$as_me: failed program was:" >&5
+ cat conftest.$ac_ext >&5
+ eval "$as_ac_Header=no"
+fi
+rm -f conftest.err conftest.$ac_ext
+fi
+echo "$as_me:13452: result: `eval echo '${'$as_ac_Header'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+ cat >>confdefs.h <<EOF
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+EOF
+
+fi
+done
+
+for ac_header in unistd.h getopt.h
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+echo "$as_me:13465: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+#line 13471 "configure"
+#include "confdefs.h"
+#include <$ac_header>
+_ACEOF
+if { (eval echo "$as_me:13475: \"$ac_cpp conftest.$ac_ext\"") >&5
+ (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+ ac_status=$?
+ egrep -v '^ *\+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:13481: \$? = $ac_status" >&5
+ (exit $ac_status); } >/dev/null; then
+ if test -s conftest.err; then
+ ac_cpp_err=$ac_c_preproc_warn_flag
+ else
+ ac_cpp_err=
+ fi
+else
+ ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
+ eval "$as_ac_Header=yes"
+else
+ echo "$as_me: failed program was:" >&5
+ cat conftest.$ac_ext >&5
+ eval "$as_ac_Header=no"
+fi
+rm -f conftest.err conftest.$ac_ext
+fi
+echo "$as_me:13500: result: `eval echo '${'$as_ac_Header'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+ cat >>confdefs.h <<EOF
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+EOF
+
+fi
+done
+
+echo "$as_me:13510: checking for header declaring getopt variables" >&5
+echo $ECHO_N "checking for header declaring getopt variables... $ECHO_C" >&6
+if test "${cf_cv_getopt_header+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+cf_cv_getopt_header=none
+for cf_header in stdio.h stdlib.h unistd.h getopt.h
+do
+cat >conftest.$ac_ext <<_ACEOF
+#line 13520 "configure"
+#include "confdefs.h"
+
+#include <$cf_header>
+int
+main ()
+{
+int x = optind; char *y = optarg
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:13533: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:13536: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:13539: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:13542: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ cf_cv_getopt_header=$cf_header
+ break
+else
+ echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+fi
+rm -f conftest.$ac_objext conftest.$ac_ext
+done
+
+fi
+echo "$as_me:13554: result: $cf_cv_getopt_header" >&5
+echo "${ECHO_T}$cf_cv_getopt_header" >&6
+if test $cf_cv_getopt_header != none ; then
+ cat >>confdefs.h <<\EOF
+#define HAVE_GETOPT_HEADER 1
+EOF
+
+fi
+
+# check for ISC (this may also define _POSIX_SOURCE)
+# Note: even non-Posix ISC needs <sys/bsdtypes.h> to declare fd_set
+if test "$ISC" = yes ; then
+
+echo "$as_me:13567: checking for main in -lcposix" >&5
+echo $ECHO_N "checking for main in -lcposix... $ECHO_C" >&6
+if test "${ac_cv_lib_cposix_main+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ ac_check_lib_save_LIBS=$LIBS
+LIBS="-lcposix $LIBS"
+cat >conftest.$ac_ext <<_ACEOF
+#line 13575 "configure"
+#include "confdefs.h"
+
+int
+main ()
+{
+main ();
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:13587: \"$ac_link\"") >&5
+ (eval $ac_link) 2>&5
+ ac_status=$?
+ echo "$as_me:13590: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest$ac_exeext'
+ { (eval echo "$as_me:13593: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:13596: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_cv_lib_cposix_main=yes
+else
+ echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+ac_cv_lib_cposix_main=no
+fi
+rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+echo "$as_me:13607: result: $ac_cv_lib_cposix_main" >&5
+echo "${ECHO_T}$ac_cv_lib_cposix_main" >&6
+if test $ac_cv_lib_cposix_main = yes; then
+ cat >>confdefs.h <<EOF
+#define HAVE_LIBCPOSIX 1
+EOF
+
+ LIBS="-lcposix $LIBS"
+
+fi
+
+ echo "$as_me:13618: checking for bzero in -linet" >&5
+echo $ECHO_N "checking for bzero in -linet... $ECHO_C" >&6
+if test "${ac_cv_lib_inet_bzero+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ ac_check_lib_save_LIBS=$LIBS