+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:15400: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:15403: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:15406: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:15409: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ cf_cv_sizechange=yes
+else
+ echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+cf_cv_sizechange=no
+fi
+rm -f conftest.$ac_objext conftest.$ac_ext
+
+ CPPFLAGS="$cf_save_CPPFLAGS"
+ if test "$cf_cv_sizechange" = yes ; then
+ echo "size-change succeeded ($cf_opts)" >&5
+ test -n "$cf_opts" && cf_cv_sizechange="$cf_opts"
+ break
+ fi
+done
+
+fi
+echo "$as_me:15428: result: $cf_cv_sizechange" >&5
+echo "${ECHO_T}$cf_cv_sizechange" >&6
+if test "$cf_cv_sizechange" != no ; then
+ cat >>confdefs.h <<\EOF
+#define HAVE_SIZECHANGE 1
+EOF
+
+ case $cf_cv_sizechange in #(vi
+ NEED*)
+ cat >>confdefs.h <<EOF
+#define $cf_cv_sizechange 1
+EOF
+
+ ;;
+ esac
+fi
+
+echo "$as_me:15445: checking for memmove" >&5
+echo $ECHO_N "checking for memmove... $ECHO_C" >&6
+if test "${ac_cv_func_memmove+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+#line 15451 "configure"
+#include "confdefs.h"
+/* System header to define __stub macros and hopefully few prototypes,
+ which can conflict with char memmove (); 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 memmove ();
+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_memmove) || defined (__stub___memmove)
+choke me
+#else
+f = memmove;
+#endif
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:15482: \"$ac_link\"") >&5
+ (eval $ac_link) 2>&5
+ ac_status=$?
+ echo "$as_me:15485: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest$ac_exeext'
+ { (eval echo "$as_me:15488: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:15491: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_cv_func_memmove=yes
+else
+ echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+ac_cv_func_memmove=no
+fi
+rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+fi
+echo "$as_me:15501: result: $ac_cv_func_memmove" >&5
+echo "${ECHO_T}$ac_cv_func_memmove" >&6
+if test $ac_cv_func_memmove = yes; then
+ :
+else
+
+echo "$as_me:15507: checking for bcopy" >&5
+echo $ECHO_N "checking for bcopy... $ECHO_C" >&6
+if test "${ac_cv_func_bcopy+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+#line 15513 "configure"
+#include "confdefs.h"
+/* System header to define __stub macros and hopefully few prototypes,
+ which can conflict with char bcopy (); 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 bcopy ();
+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_bcopy) || defined (__stub___bcopy)
+choke me
+#else
+f = bcopy;
+#endif
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:15544: \"$ac_link\"") >&5
+ (eval $ac_link) 2>&5
+ ac_status=$?
+ echo "$as_me:15547: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest$ac_exeext'
+ { (eval echo "$as_me:15550: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:15553: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_cv_func_bcopy=yes
+else
+ echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+ac_cv_func_bcopy=no
+fi
+rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+fi
+echo "$as_me:15563: result: $ac_cv_func_bcopy" >&5
+echo "${ECHO_T}$ac_cv_func_bcopy" >&6
+if test $ac_cv_func_bcopy = yes; then
+
+ echo "$as_me:15567: checking if bcopy does overlapping moves" >&5
+echo $ECHO_N "checking if bcopy does overlapping moves... $ECHO_C" >&6
+if test "${cf_cv_good_bcopy+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+ if test "$cross_compiling" = yes; then
+ cf_cv_good_bcopy=unknown
+else
+ cat >conftest.$ac_ext <<_ACEOF
+#line 15577 "configure"
+#include "confdefs.h"
+
+int main() {
+ static char data[] = "abcdefghijklmnopqrstuwwxyz";
+ char temp[40];
+ bcopy(data, temp, sizeof(data));
+ bcopy(temp+10, temp, 15);
+ bcopy(temp+5, temp+15, 10);
+ ${cf_cv_main_return:-return} (strcmp(temp, "klmnopqrstuwwxypqrstuwwxyz"));
+}
+
+_ACEOF
+rm -f conftest$ac_exeext
+if { (eval echo "$as_me:15591: \"$ac_link\"") >&5
+ (eval $ac_link) 2>&5
+ ac_status=$?
+ echo "$as_me:15594: \$? = $ac_status" >&5
+ (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+ { (eval echo "$as_me:15596: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:15599: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ cf_cv_good_bcopy=yes
+else
+ echo "$as_me: program exited with status $ac_status" >&5
+echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+cf_cv_good_bcopy=no
+fi
+rm -f core core.* *.core conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+fi
+
+fi
+echo "$as_me:15612: result: $cf_cv_good_bcopy" >&5
+echo "${ECHO_T}$cf_cv_good_bcopy" >&6
+
+else
+ cf_cv_good_bcopy=no
+fi
+
+ if test "$cf_cv_good_bcopy" = yes ; then
+ cat >>confdefs.h <<\EOF
+#define USE_OK_BCOPY 1
+EOF
+
+ else
+ cat >>confdefs.h <<\EOF
+#define USE_MY_MEMMOVE 1
+EOF
+
+ fi
+
+fi
+
+echo "$as_me:15633: 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 15643 "configure"
+#include "confdefs.h"
+
+#include <stdio.h>
+#ifdef HAVE_POLL_H
+#include <poll.h>
+#else
+#include <sys/poll.h>
+#endif
+int main() {
+ struct pollfd myfds;
+ int ret;
+
+ myfds.fd = 0;
+ myfds.events = POLLIN;
+
+ ret = poll(&myfds, 1, 100);
+ ${cf_cv_main_return:-return}(ret != 0);
+}
+_ACEOF
+rm -f conftest$ac_exeext
+if { (eval echo "$as_me:15664: \"$ac_link\"") >&5
+ (eval $ac_link) 2>&5
+ ac_status=$?
+ echo "$as_me:15667: \$? = $ac_status" >&5
+ (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+ { (eval echo "$as_me:15669: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:15672: \$? = $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:15684: 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:15690: 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 15697 "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 "$as_me:15714: \"$ac_link\"") >&5
+ (eval $ac_link) 2>&5