+
+echo $ac_n "checking for openpty""... $ac_c" 1>&6
+echo "configure:10350: checking for openpty" >&5
+
+cat > conftest.$ac_ext <<EOF
+#line 10353 "configure"
+#include "confdefs.h"
+/* System header to define __stub macros and hopefully few prototypes,
+ which can conflict with char openpty(); 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 openpty();
+
+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_openpty) || defined (__stub___openpty)
+choke me
+#else
+openpty();
+#endif
+
+; return 0; }
+EOF
+if { (eval echo configure:10376: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+ rm -rf conftest*
+ eval "ac_cv_func_openpty=yes"
+else
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
+ rm -rf conftest*
+ eval "ac_cv_func_openpty=no"
+fi
+rm -f conftest*
+
+if eval "test \"`echo '$ac_cv_func_'openpty`\" = yes"; then
+ echo "$ac_t""yes" 1>&6
+ have_openpty=yes
+else
+ echo "$ac_t""no" 1>&6
+
+
+echo $ac_n "checking for openpty in -lutil""... $ac_c" 1>&6
+echo "configure:10395: checking for openpty in -lutil" >&5
+ac_lib_var=`echo util'_'openpty | sed 'y%./+-%__p_%'`
+
+xe_check_libs=" -lutil "
+cat > conftest.$ac_ext <<EOF
+#line 10400 "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
+ builtin and then its argument prototype would still apply. */
+char openpty();
+
+int main() {
+openpty()
+; return 0; }
+EOF
+if { (eval echo configure:10411: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+ rm -rf conftest*
+ eval "ac_cv_lib_$ac_lib_var=yes"
+else
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
+ rm -rf conftest*
+ eval "ac_cv_lib_$ac_lib_var=no"
+fi
+rm -f conftest*
+xe_check_libs=""
+
+if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes" ; then
+ echo "$ac_t""yes" 1>&6
+ have_openpty=yes need_libutil=yes
+else
+ echo "$ac_t""no" 1>&6
+fi
+
+
+fi
+
+if test "$have_openpty" = "yes"; then
+ { test "$extra_verbose" = "yes" && cat << \EOF
+ Defining HAVE_OPENPTY
+EOF
+cat >> confdefs.h <<\EOF
+#define HAVE_OPENPTY 1
+EOF
+}
+
+ for ac_hdr in pty.h libutil.h util.h
+do
+ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
+echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
+echo "configure:10446: checking for $ac_hdr" >&5
+
+cat > conftest.$ac_ext <<EOF
+#line 10449 "configure"
+#include "confdefs.h"
+#include <$ac_hdr>
+EOF
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:10454: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
+if test -z "$ac_err"; then
+ rm -rf conftest*
+ eval "ac_cv_header_$ac_safe=yes"
+else
+ echo "$ac_err" >&5
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
+ rm -rf conftest*
+ eval "ac_cv_header_$ac_safe=no"
+fi
+rm -f conftest*
+if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
+ echo "$ac_t""yes" 1>&6
+ ac_tr_hdr=HAVE_`echo $ac_hdr | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
+ { test "$extra_verbose" = "yes" && cat << EOF
+ Defining $ac_tr_hdr
+EOF
+cat >> confdefs.h <<EOF
+#define $ac_tr_hdr 1
+EOF
+}
+ break
+else
+ echo "$ac_t""no" 1>&6
+fi
+done
+
+ test "$need_libutil" = "yes" && libs_system="$libs_system -lutil" && if test "$extra_verbose" = "yes"; then echo " Appending \"-lutil\" to \$libs_system"; fi
+fi
+
+for ac_hdr in stropts.h
+do
+ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
+echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
+echo "configure:10490: checking for $ac_hdr" >&5
+
+cat > conftest.$ac_ext <<EOF
+#line 10493 "configure"
+#include "confdefs.h"
+#include <$ac_hdr>
+EOF
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:10498: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
+if test -z "$ac_err"; then
+ rm -rf conftest*
+ eval "ac_cv_header_$ac_safe=yes"
+else
+ echo "$ac_err" >&5
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
+ rm -rf conftest*
+ eval "ac_cv_header_$ac_safe=no"
+fi
+rm -f conftest*
+if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
+ echo "$ac_t""yes" 1>&6
+ ac_tr_hdr=HAVE_`echo $ac_hdr | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
+ { test "$extra_verbose" = "yes" && cat << EOF
+ Defining $ac_tr_hdr
+EOF
+cat >> confdefs.h <<EOF
+#define $ac_tr_hdr 1
+EOF
+}
+
+else
+ echo "$ac_t""no" 1>&6
+fi
+done
+
+if test "$ac_cv_header_stropts_h" = "yes"; then
+ for ac_func in isastream
+do
+echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
+echo "configure:10531: checking for $ac_func" >&5
+
+cat > conftest.$ac_ext <<EOF
+#line 10534 "configure"
+#include "confdefs.h"
+/* System header to define __stub macros and hopefully few prototypes,
+ which can conflict with char $ac_func(); 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 $ac_func();
+
+int main() {
+
+/* The GNU C library defines this for functions which it implements
+ to always fail with ENOSYS. Some functions are actually named
+ something starting with __ and the normal name is an alias. */
+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
+choke me
+#else
+$ac_func();
+#endif
+
+; return 0; }
+EOF
+if { (eval echo configure:10557: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+ rm -rf conftest*
+ eval "ac_cv_func_$ac_func=yes"
+else
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
+ rm -rf conftest*
+ eval "ac_cv_func_$ac_func=no"
+fi
+rm -f conftest*
+
+if eval "test \"`echo '$ac_cv_func_'$ac_func`\" = yes"; then
+ echo "$ac_t""yes" 1>&6
+ ac_tr_func=HAVE_`echo $ac_func | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
+ { test "$extra_verbose" = "yes" && cat << EOF
+ Defining $ac_tr_func
+EOF
+cat >> confdefs.h <<EOF
+#define $ac_tr_func 1
+EOF
+}
+
+else
+ echo "$ac_t""no" 1>&6
+fi
+done
+
+ for ac_hdr in strtio.h
+do
+ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
+echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
+echo "configure:10588: checking for $ac_hdr" >&5
+
+cat > conftest.$ac_ext <<EOF
+#line 10591 "configure"
+#include "confdefs.h"
+#include <$ac_hdr>
+EOF
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:10596: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
+if test -z "$ac_err"; then
+ rm -rf conftest*
+ eval "ac_cv_header_$ac_safe=yes"
+else
+ echo "$ac_err" >&5
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
+ rm -rf conftest*
+ eval "ac_cv_header_$ac_safe=no"
+fi
+rm -f conftest*
+if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
+ echo "$ac_t""yes" 1>&6
+ ac_tr_hdr=HAVE_`echo $ac_hdr | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
+ { test "$extra_verbose" = "yes" && cat << EOF
+ Defining $ac_tr_hdr
+EOF
+cat >> confdefs.h <<EOF
+#define $ac_tr_hdr 1
+EOF
+}
+
+else
+ echo "$ac_t""no" 1>&6
+fi
+done
+ fi
+
+extra_objs="$extra_objs realpath.o" && if test "$extra_verbose" = "yes"; then