+/* System header to define __stub macros and hopefully few prototypes,
+ which can conflict with char pthread_kill (); 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 pthread_kill ();
+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_pthread_kill) || defined (__stub___pthread_kill)
+choke me
+#else
+f = pthread_kill;
+#endif
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:11172: \"$ac_link\"") >&5
+ (eval $ac_link) 2>&5
+ ac_status=$?
+ echo "$as_me:11175: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest$ac_exeext'
+ { (eval echo "$as_me:11178: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:11181: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_cv_func_pthread_kill=yes
+else
+ echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+ac_cv_func_pthread_kill=no
+fi
+rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+fi
+echo "$as_me:11191: result: $ac_cv_func_pthread_kill" >&5
+echo "${ECHO_T}$ac_cv_func_pthread_kill" >&6
+if test $ac_cv_func_pthread_kill = yes; then
+
+ echo "$as_me:11195: checking if you want to allow EINTR in wgetch with pthreads" >&5
+echo $ECHO_N "checking if you want to allow EINTR in wgetch with pthreads... $ECHO_C" >&6
+
+# Check whether --enable-pthreads-eintr or --disable-pthreads-eintr was given.
+if test "${enable_pthreads_eintr+set}" = set; then
+ enableval="$enable_pthreads_eintr"
+ use_pthreads_eintr=$enableval
+else
+ use_pthreads_eintr=no
+fi;
+ echo "$as_me:11205: result: $use_pthreads_eintr" >&5
+echo "${ECHO_T}$use_pthreads_eintr" >&6
+ if test $use_pthreads_eintr = yes ; then
+ cat >>confdefs.h <<\EOF
+#define USE_PTHREADS_EINTR 1
+EOF
+
+ fi
+fi
+
+ echo "$as_me:11215: checking if you want to use weak-symbols for pthreads" >&5
+echo $ECHO_N "checking if you want to use weak-symbols for pthreads... $ECHO_C" >&6
+
+# Check whether --enable-weak-symbols or --disable-weak-symbols was given.
+if test "${enable_weak_symbols+set}" = set; then
+ enableval="$enable_weak_symbols"
+ use_weak_symbols=$enableval
+else
+ use_weak_symbols=no
+fi;
+ echo "$as_me:11225: result: $use_weak_symbols" >&5
+echo "${ECHO_T}$use_weak_symbols" >&6
+ if test "$use_weak_symbols" = yes ; then
+
+echo "$as_me:11229: checking if $CC supports weak symbols" >&5
+echo $ECHO_N "checking if $CC supports weak symbols... $ECHO_C" >&6
+if test "${cf_cv_weak_symbols+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+cat >conftest.$ac_ext <<_ACEOF
+#line 11236 "configure"
+#include "confdefs.h"
+