+cf_cv_type_sigaction=no
+fi
+rm -f conftest.$ac_objext conftest.$ac_ext
+fi
+
+echo "$as_me:18707: result: $cf_cv_type_sigaction" >&5
+echo "${ECHO_T}$cf_cv_type_sigaction" >&6
+test "$cf_cv_type_sigaction" = yes &&
+cat >>confdefs.h <<\EOF
+#define HAVE_TYPE_SIGACTION 1
+EOF
+
+echo "$as_me:18714: checking declaration of size-change" >&5
+echo $ECHO_N "checking declaration of size-change... $ECHO_C" >&6
+if test "${cf_cv_sizechange+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+ cf_cv_sizechange=unknown
+ cf_save_CPPFLAGS="$CPPFLAGS"
+
+for cf_opts in "" "NEED_PTEM_H"
+do
+
+ CPPFLAGS="$cf_save_CPPFLAGS"
+ test -n "$cf_opts" && CPPFLAGS="$CPPFLAGS -D$cf_opts"
+ cat >conftest.$ac_ext <<_ACEOF
+#line 18729 "configure"
+#include "confdefs.h"
+#include <sys/types.h>
+#ifdef HAVE_TERMIOS_H
+#include <termios.h>
+#else
+#ifdef HAVE_TERMIO_H
+#include <termio.h>
+#endif
+#endif
+#ifdef NEED_PTEM_H
+/* This is a workaround for SCO: they neglected to define struct winsize in
+ * termios.h -- it's only in termio.h and ptem.h
+ */
+#include <sys/stream.h>
+#include <sys/ptem.h>
+#endif
+#if !defined(sun) || !defined(HAVE_TERMIOS_H)
+#include <sys/ioctl.h>
+#endif
+
+int
+main (void)
+{
+
+#ifdef TIOCGSIZE
+ struct ttysize win; /* FIXME: what system is this? */
+ int y = win.ts_lines;
+ int x = win.ts_cols;
+#else
+#ifdef TIOCGWINSZ
+ struct winsize win;
+ int y = win.ws_row;
+ int x = win.ws_col;
+#else
+ no TIOCGSIZE or TIOCGWINSZ
+#endif /* TIOCGWINSZ */
+#endif /* TIOCGSIZE */
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:18773: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:18776: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:18779: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:18782: \$? = $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:18801: 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
+ (NEED*)
+ cat >>confdefs.h <<EOF
+#define $cf_cv_sizechange 1
+EOF
+
+ ;;
+ esac
+fi
+
+echo "$as_me:18819: 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 18825 "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 (void)
+{
+/* 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; /* 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 "$as_me:18856: \"$ac_link\"") >&5
+ (eval $ac_link) 2>&5
+ ac_status=$?
+ echo "$as_me:18859: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest$ac_exeext'
+ { (eval echo "$as_me:18862: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:18865: \$? = $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:18875: 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:18881: 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 18887 "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 (void)
+{
+/* 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; /* 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 "$as_me:18918: \"$ac_link\"") >&5
+ (eval $ac_link) 2>&5
+ ac_status=$?
+ echo "$as_me:18921: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest$ac_exeext'
+ { (eval echo "$as_me:18924: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:18927: \$? = $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:18937: 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:18941: 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 18951 "configure"
+#include "confdefs.h"
+
+int main(void) {
+ 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 "$as_me:18965: \"$ac_link\"") >&5
+ (eval $ac_link) 2>&5
+ ac_status=$?
+ echo "$as_me:18968: \$? = $ac_status" >&5
+ (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+ { (eval echo "$as_me:18970: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:18973: \$? = $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