+ virtual ~NCursesUserPanel() {};
+};
+
+int
+main (void)
+{
+
+ const char* p_UserData = static_cast<char*>(0)
+ ;
+ return 0;
+}
+_ACEOF
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:25596: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:25599: \$? = $ac_status" >&5
+ (exit "$ac_status"); } &&
+ { ac_try='test -s "conftest.$ac_objext"'
+ { (eval echo "$as_me:25602: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:25605: \$? = $ac_status" >&5
+ (exit "$ac_status"); }; }; then
+ cf_cv_cpp_static_cast=yes
+else
+ echo "$as_me: failed program was:" >&5
+cat "conftest.$ac_ext" >&5
+cf_cv_cpp_static_cast=no
+fi
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
+
+ ac_ext=cc
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS "conftest.$ac_ext" >&5'
+ac_link='$CXX -o "conftest$ac_exeext" $CXXFLAGS $CPPFLAGS $LDFLAGS "conftest.$ac_ext" $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+ac_main_return="return"
+
+fi
+echo "$as_me:25623: result: $cf_cv_cpp_static_cast" >&5
+echo "${ECHO_T}$cf_cv_cpp_static_cast" >&6
+
+fi
+
+test "$cf_cv_cpp_static_cast" = yes &&
+cat >>confdefs.h <<\EOF
+#define CPP_HAS_STATIC_CAST 1
+EOF
+
+ CXX_AR='$(AR)'
+ CXX_ARFLAGS='$(ARFLAGS)'
+ case "$cf_cv_system_name" in
+ (irix*)
+ if test "$GXX" != yes ; then
+ CXX_AR='$(CXX)'
+ CXX_ARFLAGS='-ar -o'
+ fi
+ ;;
+ (sco3.2v5*)
+ CXXLDFLAGS="-u main"
+ ;;
+ (solaris2*)
+ if test "$GXX" != yes ; then
+ CXX_AR='$(CXX)'
+ CXX_ARFLAGS='-xar -o'
+ fi
+ ;;
+ esac
+
+else
+ cf_cxx_library=no
+ cf_cv_builtin_bool=1
+
+ # Just because we are not configuring against C++ right now does not
+ # mean that a user will not want to use C++. Some distributors disable
+ # the C++ portion of this configuration as a shortcut (or just to avoid
+ # compiling the demo in the c++ directory). So we need a reasonable
+ # default for the 'bool' type.
+ #
+ # Caveat: since the storage of the bool type is not standardized, it
+ # may change.
+
+ if test "$NCURSES_BOOL" != auto ; then
+ cf_cv_type_of_bool=$NCURSES_BOOL
+ cf_cv_header_stdbool_h=0
+ else
+ if test "$cf_cv_header_stdbool_h" = 1 ; then
+
+echo "$as_me:25672: checking for bool" >&5
+echo $ECHO_N "checking for bool... $ECHO_C" >&6
+if test "${ac_cv_type_bool+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >"conftest.$ac_ext" <<_ACEOF
+#line 25678 "configure"
+#include "confdefs.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+
+#if defined(__cplusplus)
+
+#ifdef HAVE_GXX_BUILTIN_H
+#include <g++/builtin.h>
+#elif HAVE_GPP_BUILTIN_H
+#include <gpp/builtin.h>
+#elif HAVE_BUILTIN_H
+#include <builtin.h>
+#endif
+
+#else
+
+#if $cf_cv_header_stdbool_h
+#include <stdbool.h>
+#endif
+
+#endif
+
+int
+main (void)
+{
+if ((bool *) 0)
+ return 0;
+if (sizeof (bool))
+ return 0;
+ ;
+ return 0;
+}
+_ACEOF
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:25714: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:25717: \$? = $ac_status" >&5
+ (exit "$ac_status"); } &&
+ { ac_try='test -s "conftest.$ac_objext"'
+ { (eval echo "$as_me:25720: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:25723: \$? = $ac_status" >&5
+ (exit "$ac_status"); }; }; then
+ ac_cv_type_bool=yes
+else
+ echo "$as_me: failed program was:" >&5
+cat "conftest.$ac_ext" >&5
+ac_cv_type_bool=no
+fi
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
+fi
+echo "$as_me:25733: result: $ac_cv_type_bool" >&5
+echo "${ECHO_T}$ac_cv_type_bool" >&6
+
+echo "$as_me:25736: checking size of bool" >&5
+echo $ECHO_N "checking size of bool... $ECHO_C" >&6
+if test "${ac_cv_sizeof_bool+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ if test "$ac_cv_type_bool" = yes; then
+ if test "$cross_compiling" = yes; then
+ # Depending upon the size, compute the lo and hi bounds.
+cat >"conftest.$ac_ext" <<_ACEOF
+#line 25745 "configure"
+#include "confdefs.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+
+#if defined(__cplusplus)
+
+#ifdef HAVE_GXX_BUILTIN_H
+#include <g++/builtin.h>
+#elif HAVE_GPP_BUILTIN_H
+#include <gpp/builtin.h>
+#elif HAVE_BUILTIN_H
+#include <builtin.h>
+#endif
+
+#else
+
+#if $cf_cv_header_stdbool_h
+#include <stdbool.h>
+#endif
+
+#endif
+
+int
+main (void)
+{
+int _array_ [1 - 2 * !((sizeof (bool)) >= 0)]
+ ;
+ return 0;
+}
+_ACEOF
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:25778: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:25781: \$? = $ac_status" >&5
+ (exit "$ac_status"); } &&
+ { ac_try='test -s "conftest.$ac_objext"'
+ { (eval echo "$as_me:25784: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:25787: \$? = $ac_status" >&5
+ (exit "$ac_status"); }; }; then
+ ac_lo=0 ac_mid=0
+ while :; do
+ cat >"conftest.$ac_ext" <<_ACEOF
+#line 25792 "configure"
+#include "confdefs.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+
+#if defined(__cplusplus)
+
+#ifdef HAVE_GXX_BUILTIN_H
+#include <g++/builtin.h>
+#elif HAVE_GPP_BUILTIN_H
+#include <gpp/builtin.h>
+#elif HAVE_BUILTIN_H
+#include <builtin.h>
+#endif
+
+#else
+
+#if $cf_cv_header_stdbool_h
+#include <stdbool.h>
+#endif
+
+#endif
+
+int
+main (void)
+{
+int _array_ [1 - 2 * !((sizeof (bool)) <= $ac_mid)]
+ ;
+ return 0;
+}
+_ACEOF
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:25825: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:25828: \$? = $ac_status" >&5
+ (exit "$ac_status"); } &&
+ { ac_try='test -s "conftest.$ac_objext"'
+ { (eval echo "$as_me:25831: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:25834: \$? = $ac_status" >&5
+ (exit "$ac_status"); }; }; then
+ ac_hi=$ac_mid; break
+else
+ echo "$as_me: failed program was:" >&5
+cat "conftest.$ac_ext" >&5
+ac_lo=`expr "$ac_mid" + 1`; ac_mid=`expr 2 '*' "$ac_mid" + 1`
+fi
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
+ done
+else
+ echo "$as_me: failed program was:" >&5
+cat "conftest.$ac_ext" >&5
+ac_hi=-1 ac_mid=-1
+ while :; do
+ cat >"conftest.$ac_ext" <<_ACEOF
+#line 25850 "configure"
+#include "confdefs.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+
+#if defined(__cplusplus)
+
+#ifdef HAVE_GXX_BUILTIN_H
+#include <g++/builtin.h>
+#elif HAVE_GPP_BUILTIN_H
+#include <gpp/builtin.h>
+#elif HAVE_BUILTIN_H
+#include <builtin.h>
+#endif
+
+#else
+
+#if $cf_cv_header_stdbool_h
+#include <stdbool.h>
+#endif
+
+#endif
+
+int
+main (void)
+{
+int _array_ [1 - 2 * !((sizeof (bool)) >= $ac_mid)]
+ ;
+ return 0;
+}
+_ACEOF
+rm -f "conftest.$ac_objext"
+if { (eval echo "$as_me:25883: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:25886: \$? = $ac_status" >&5
+ (exit "$ac_status"); } &&
+ { ac_try='test -s "conftest.$ac_objext"'
+ { (eval echo "$as_me:25889: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:25892: \$? = $ac_status" >&5
+ (exit "$ac_status"); }; }; then
+ ac_lo=$ac_mid; break
+else
+ echo "$as_me: failed program was:" >&5
+cat "conftest.$ac_ext" >&5
+ac_hi=`expr "$ac_mid" - 1`; ac_mid=`expr 2 '*' "$ac_mid"`
+fi
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
+ done
+fi
+rm -f "conftest.$ac_objext" "conftest.$ac_ext"
+# Binary search between lo and hi bounds.
+while test "x$ac_lo" != "x$ac_hi"; do
+ ac_mid=`expr '(' "$ac_hi" - "$ac_lo" ')' / 2 + "$ac_lo"`
+ cat >"conftest.$ac_ext" <<_ACEOF
+#line 25908 "configure"
+#include "confdefs.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+
+#if defined(__cplusplus)
+
+#ifdef HAVE_GXX_BUILTIN_H
+#include <g++/builtin.h>
+#elif HAVE_GPP_BUILTIN_H
+#include <gpp/builtin.h>
+#elif HAVE_BUILTIN_H
+#include <builtin.h>
+#endif
+
+#else
+
+#if $cf_cv_header_stdbool_h
+#include <stdbool.h>
+#endif
+
+#endif