+fi
+echo "$as_me:6104: result: $ac_cv_header_stdc" >&5
+echo "${ECHO_T}$ac_cv_header_stdc" >&6
+if test $ac_cv_header_stdc = yes; then
+
+cat >>confdefs.h <<\EOF
+#define STDC_HEADERS 1
+EOF
+
+fi
+
+# On IRIX 5.3, sys/types and inttypes.h are conflicting.
+
+for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \
+ inttypes.h stdint.h unistd.h
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+echo "$as_me:6120: 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 6126 "configure"
+#include "confdefs.h"
+$ac_includes_default
+#include <$ac_header>
+_ACEOF
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:6132: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:6135: \$? = $ac_status" >&5
+ (exit "$ac_status"); } &&
+ { ac_try='test -s "conftest.$ac_objext"'
+ { (eval echo "$as_me:6138: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:6141: \$? = $ac_status" >&5
+ (exit "$ac_status"); }; }; 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.$ac_objext" "conftest.$ac_ext"
+fi
+echo "$as_me:6151: result: `eval echo '${'"$as_ac_Header"'}'`" >&5
+echo "${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:6161: checking whether exit is declared" >&5
+echo $ECHO_N "checking whether exit is declared... $ECHO_C" >&6
+if test "${ac_cv_have_decl_exit+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >"conftest.$ac_ext" <<_ACEOF
+#line 6167 "configure"
+#include "confdefs.h"
+$ac_includes_default
+int
+main (void)
+{
+#ifndef exit
+ (void) exit;
+#endif
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:6182: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:6185: \$? = $ac_status" >&5
+ (exit "$ac_status"); } &&
+ { ac_try='test -s "conftest.$ac_objext"'
+ { (eval echo "$as_me:6188: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:6191: \$? = $ac_status" >&5
+ (exit "$ac_status"); }; }; then
+ ac_cv_have_decl_exit=yes
+else
+ echo "$as_me: failed program was:" >&5
+cat "conftest.$ac_ext" >&5
+ac_cv_have_decl_exit=no
+fi
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
+fi
+echo "$as_me:6201: result: $ac_cv_have_decl_exit" >&5
+echo "${ECHO_T}$ac_cv_have_decl_exit" >&6
+
+echo "$as_me:6204: checking for signal global datatype" >&5
+echo $ECHO_N "checking for signal global datatype... $ECHO_C" >&6
+if test "${cf_cv_sig_atomic_t+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+ for cf_type in \
+ "volatile sig_atomic_t" \
+ "sig_atomic_t" \
+ "int"
+ do
+ cat >"conftest.$ac_ext" <<_ACEOF
+#line 6216 "configure"
+#include "confdefs.h"
+
+#include <sys/types.h>
+#include <signal.h>
+#include <stdio.h>
+
+extern $cf_type x;
+$cf_type x;
+static void handler(int sig)
+{
+ (void)sig;
+ x = 5;
+}
+int
+main (void)
+{
+signal(SIGINT, handler);
+ x = 1
+ ;
+ return 0;
+}
+_ACEOF
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:6240: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:6243: \$? = $ac_status" >&5
+ (exit "$ac_status"); } &&
+ { ac_try='test -s "conftest.$ac_objext"'
+ { (eval echo "$as_me:6246: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:6249: \$? = $ac_status" >&5
+ (exit "$ac_status"); }; }; then
+ cf_cv_sig_atomic_t=$cf_type
+else
+ echo "$as_me: failed program was:" >&5
+cat "conftest.$ac_ext" >&5
+cf_cv_sig_atomic_t=no
+fi
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
+ test "$cf_cv_sig_atomic_t" != no && break
+ done
+
+fi
+
+echo "$as_me:6263: result: $cf_cv_sig_atomic_t" >&5
+echo "${ECHO_T}$cf_cv_sig_atomic_t" >&6
+test "$cf_cv_sig_atomic_t" != no &&
+cat >>confdefs.h <<EOF
+#define SIG_ATOMIC_T $cf_cv_sig_atomic_t
+EOF
+
+# Work around breakage on OS X
+
+echo "$as_me:6272: checking if SIGWINCH is defined" >&5
+echo $ECHO_N "checking if SIGWINCH is defined... $ECHO_C" >&6
+if test "${cf_cv_define_sigwinch+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+ cat >"conftest.$ac_ext" <<_ACEOF
+#line 6279 "configure"
+#include "confdefs.h"
+
+#include <sys/types.h>
+#include <sys/signal.h>
+
+int
+main (void)
+{
+int x = SIGWINCH; (void)x
+ ;
+ return 0;
+}
+_ACEOF
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:6294: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:6297: \$? = $ac_status" >&5
+ (exit "$ac_status"); } &&
+ { ac_try='test -s "conftest.$ac_objext"'
+ { (eval echo "$as_me:6300: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:6303: \$? = $ac_status" >&5
+ (exit "$ac_status"); }; }; then
+ cf_cv_define_sigwinch=yes
+else
+ echo "$as_me: failed program was:" >&5
+cat "conftest.$ac_ext" >&5
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 6310 "configure"
+#include "confdefs.h"
+
+#undef _XOPEN_SOURCE
+#undef _POSIX_SOURCE
+#undef _POSIX_C_SOURCE
+#include <sys/types.h>
+#include <sys/signal.h>
+
+int
+main (void)
+{
+int x = SIGWINCH; (void)x
+ ;
+ return 0;
+}
+_ACEOF
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:6328: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:6331: \$? = $ac_status" >&5
+ (exit "$ac_status"); } &&
+ { ac_try='test -s "conftest.$ac_objext"'
+ { (eval echo "$as_me:6334: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:6337: \$? = $ac_status" >&5
+ (exit "$ac_status"); }; }; then
+ cf_cv_define_sigwinch=maybe
+else
+ echo "$as_me: failed program was:" >&5
+cat "conftest.$ac_ext" >&5
+cf_cv_define_sigwinch=no
+fi
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
+
+fi
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
+
+fi
+echo "$as_me:6351: result: $cf_cv_define_sigwinch" >&5