+ else
+
+cat >>confdefs.h <<\EOF
+#define USE_MY_MEMMOVE 1
+EOF
+
+ fi
+
+fi
+
+tty 2>&1 >/dev/null || {
+for ac_func in posix_openpt
+do
+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
+echo "$as_me:18811: checking for $ac_func" >&5
+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
+if eval "test \"\${$as_ac_var+set}\" = set"; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+#line 18817 "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. */
+#ifdef __cplusplus
+extern "C"
+#endif
+/* We use char because int might match the return type of a gcc2
+ builtin and then its argument prototype would still apply. */
+char $ac_func ();
+char (*f) ();
+
+int
+main ()
+{
+/* The GNU C library defines this for functions which it implements
+ to always fail with ENOSYS. Some functions are actually named
+ something starting with __ and the normal name is an alias. */
+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
+choke me
+#else
+f = $ac_func; /* workaround for ICC 12.0.3 */ if (f == 0) return 1;
+#endif
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:18848: \"$ac_link\"") >&5
+ (eval $ac_link) 2>&5
+ ac_status=$?
+ echo "$as_me:18851: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest$ac_exeext'
+ { (eval echo "$as_me:18854: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:18857: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ eval "$as_ac_var=yes"
+else
+ echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+eval "$as_ac_var=no"
+fi
+rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+fi
+echo "$as_me:18867: result: `eval echo '${'$as_ac_var'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
+if test `eval echo '${'$as_ac_var'}'` = yes; then
+ cat >>confdefs.h <<EOF
+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
+EOF
+
+fi
+done
+ }
+echo "$as_me:18877: checking if poll really works" >&5
+echo $ECHO_N "checking if poll really works... $ECHO_C" >&6
+if test "${cf_cv_working_poll+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+if test "$cross_compiling" = yes; then
+ cf_cv_working_poll=unknown
+else
+ cat >conftest.$ac_ext <<_ACEOF
+#line 18887 "configure"
+#include "confdefs.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+#ifdef HAVE_POLL_H
+#include <poll.h>
+#else
+#include <sys/poll.h>
+#endif
+int main(void) {
+ struct pollfd myfds;
+ int ret;
+
+ /* check for Darwin bug with respect to "devices" */
+ myfds.fd = open("/dev/null", 1); /* O_WRONLY */
+ if (myfds.fd < 0)
+ myfds.fd = 0;
+ myfds.events = POLLIN;
+ myfds.revents = 0;
+
+ ret = poll(&myfds, 1, 100);
+
+ if (ret < 0 || (myfds.revents & POLLNVAL)) {
+ ret = -1;
+ } else {
+ int fd = 0;
+ if (!isatty(fd)) {
+ fd = open("/dev/tty", 2); /* O_RDWR */
+ }
+#ifdef HAVE_POSIX_OPENPT
+ if (fd < 0) {
+ fd = posix_openpt(O_RDWR);
+ }
+#endif
+
+ if (fd >= 0) {
+ /* also check with standard input */
+ myfds.fd = fd;
+ myfds.events = POLLIN;
+ myfds.revents = 0;
+ ret = poll(&myfds, 1, 100);
+ } else {
+ ret = -1;
+ }
+ }
+ ${cf_cv_main_return:-return}(ret < 0);
+}
+_ACEOF
+rm -f conftest$ac_exeext
+if { (eval echo "$as_me:18939: \"$ac_link\"") >&5
+ (eval $ac_link) 2>&5
+ ac_status=$?
+ echo "$as_me:18942: \$? = $ac_status" >&5
+ (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+ { (eval echo "$as_me:18944: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:18947: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ cf_cv_working_poll=yes
+else
+ echo "$as_me: program exited with status $ac_status" >&5
+echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+cf_cv_working_poll=no
+fi
+rm -f core core.* *.core conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+fi
+fi
+echo "$as_me:18959: result: $cf_cv_working_poll" >&5
+echo "${ECHO_T}$cf_cv_working_poll" >&6
+test "$cf_cv_working_poll" = "yes" &&
+cat >>confdefs.h <<\EOF
+#define HAVE_WORKING_POLL 1
+EOF
+
+echo "$as_me:18966: checking for va_copy" >&5
+echo $ECHO_N "checking for va_copy... $ECHO_C" >&6
+if test "${cf_cv_have_va_copy+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+cat >conftest.$ac_ext <<_ACEOF
+#line 18973 "configure"
+#include "confdefs.h"
+
+#include <stdarg.h>
+
+int
+main ()
+{
+
+ static va_list dst;
+ static va_list src;
+ va_copy(dst, src)
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:18990: \"$ac_link\"") >&5
+ (eval $ac_link) 2>&5
+ ac_status=$?
+ echo "$as_me:18993: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest$ac_exeext'
+ { (eval echo "$as_me:18996: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:18999: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ cf_cv_have_va_copy=yes
+else
+ echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+cf_cv_have_va_copy=no
+fi
+rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+fi
+echo "$as_me:19009: result: $cf_cv_have_va_copy" >&5
+echo "${ECHO_T}$cf_cv_have_va_copy" >&6
+
+test "$cf_cv_have_va_copy" = yes &&
+cat >>confdefs.h <<\EOF
+#define HAVE_VA_COPY 1
+EOF
+
+echo "$as_me:19017: checking for __va_copy" >&5
+echo $ECHO_N "checking for __va_copy... $ECHO_C" >&6
+if test "${cf_cv_have___va_copy+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+cat >conftest.$ac_ext <<_ACEOF
+#line 19024 "configure"
+#include "confdefs.h"
+
+#include <stdarg.h>
+
+int
+main ()
+{
+
+ static va_list dst;
+ static va_list src;
+ __va_copy(dst, src)
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:19041: \"$ac_link\"") >&5
+ (eval $ac_link) 2>&5
+ ac_status=$?
+ echo "$as_me:19044: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest$ac_exeext'
+ { (eval echo "$as_me:19047: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:19050: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ cf_cv_have___va_copy=yes
+else
+ echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+cf_cv_have___va_copy=no
+fi
+rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+fi
+echo "$as_me:19060: result: $cf_cv_have___va_copy" >&5
+echo "${ECHO_T}$cf_cv_have___va_copy" >&6
+
+test "$cf_cv_have___va_copy" = yes &&
+cat >>confdefs.h <<\EOF
+#define HAVE___VA_COPY 1
+EOF
+
+echo "$as_me:19068: checking for pid_t" >&5
+echo $ECHO_N "checking for pid_t... $ECHO_C" >&6
+if test "${ac_cv_type_pid_t+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+#line 19074 "configure"
+#include "confdefs.h"
+$ac_includes_default
+int
+main ()
+{
+if ((pid_t *) 0)