+ echo "$as_me:10631: checking for special C compiler options needed for large files" >&5
+echo $ECHO_N "checking for special C compiler options needed for large files... $ECHO_C" >&6
+if test "${ac_cv_sys_largefile_CC+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ ac_cv_sys_largefile_CC=no
+ if test "$GCC" != yes; then
+ ac_save_CC=$CC
+ while :; do
+ # IRIX 6.2 and later do not support large files by default,
+ # so use the C compiler's -n32 option if that helps.
+ cat >conftest.$ac_ext <<_ACEOF
+#line 10643 "configure"
+#include "confdefs.h"
+#include <sys/types.h>
+ /* Check that off_t can represent 2**63 - 1 correctly.
+ We can't simply define LARGE_OFF_T to be 9223372036854775807,
+ since some C++ compilers masquerading as C compilers
+ incorrectly reject 9223372036854775807. */
+#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
+ int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+ && LARGE_OFF_T % 2147483647 == 1)
+ ? 1 : -1];
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+ rm -f conftest.$ac_objext
+if { (eval echo "$as_me:10663: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:10666: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:10669: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:10672: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ break
+else
+ echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+fi
+rm -f conftest.$ac_objext
+ CC="$CC -n32"
+ rm -f conftest.$ac_objext
+if { (eval echo "$as_me:10682: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:10685: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:10688: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:10691: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_cv_sys_largefile_CC=' -n32'; break
+else
+ echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+fi
+rm -f conftest.$ac_objext
+ break
+ done
+ CC=$ac_save_CC
+ rm -f conftest.$ac_ext
+ fi
+fi
+echo "$as_me:10705: result: $ac_cv_sys_largefile_CC" >&5
+echo "${ECHO_T}$ac_cv_sys_largefile_CC" >&6
+ if test "$ac_cv_sys_largefile_CC" != no; then
+ CC=$CC$ac_cv_sys_largefile_CC
+ fi
+
+ echo "$as_me:10711: checking for _FILE_OFFSET_BITS value needed for large files" >&5
+echo $ECHO_N "checking for _FILE_OFFSET_BITS value needed for large files... $ECHO_C" >&6
+if test "${ac_cv_sys_file_offset_bits+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ while :; do
+ ac_cv_sys_file_offset_bits=no
+ cat >conftest.$ac_ext <<_ACEOF
+#line 10719 "configure"
+#include "confdefs.h"
+#include <sys/types.h>
+ /* Check that off_t can represent 2**63 - 1 correctly.
+ We can't simply define LARGE_OFF_T to be 9223372036854775807,
+ since some C++ compilers masquerading as C compilers
+ incorrectly reject 9223372036854775807. */
+#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
+ int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+ && LARGE_OFF_T % 2147483647 == 1)
+ ? 1 : -1];
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:10739: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:10742: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:10745: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:10748: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ break
+else
+ echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+fi
+rm -f conftest.$ac_objext conftest.$ac_ext
+ cat >conftest.$ac_ext <<_ACEOF
+#line 10757 "configure"
+#include "confdefs.h"
+#define _FILE_OFFSET_BITS 64
+#include <sys/types.h>
+ /* Check that off_t can represent 2**63 - 1 correctly.
+ We can't simply define LARGE_OFF_T to be 9223372036854775807,
+ since some C++ compilers masquerading as C compilers
+ incorrectly reject 9223372036854775807. */
+#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
+ int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+ && LARGE_OFF_T % 2147483647 == 1)
+ ? 1 : -1];
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:10778: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:10781: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:10784: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:10787: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_cv_sys_file_offset_bits=64; break
+else
+ echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+fi
+rm -f conftest.$ac_objext conftest.$ac_ext
+ break
+done
+fi
+echo "$as_me:10798: result: $ac_cv_sys_file_offset_bits" >&5
+echo "${ECHO_T}$ac_cv_sys_file_offset_bits" >&6
+if test "$ac_cv_sys_file_offset_bits" != no; then
+
+cat >>confdefs.h <<EOF
+#define _FILE_OFFSET_BITS $ac_cv_sys_file_offset_bits
+EOF
+
+fi
+rm -rf conftest*
+ echo "$as_me:10808: checking for _LARGE_FILES value needed for large files" >&5
+echo $ECHO_N "checking for _LARGE_FILES value needed for large files... $ECHO_C" >&6
+if test "${ac_cv_sys_large_files+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ while :; do
+ ac_cv_sys_large_files=no
+ cat >conftest.$ac_ext <<_ACEOF
+#line 10816 "configure"
+#include "confdefs.h"
+#include <sys/types.h>
+ /* Check that off_t can represent 2**63 - 1 correctly.
+ We can't simply define LARGE_OFF_T to be 9223372036854775807,
+ since some C++ compilers masquerading as C compilers
+ incorrectly reject 9223372036854775807. */
+#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
+ int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+ && LARGE_OFF_T % 2147483647 == 1)
+ ? 1 : -1];
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:10836: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:10839: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:10842: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:10845: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ break
+else
+ echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+fi
+rm -f conftest.$ac_objext conftest.$ac_ext
+ cat >conftest.$ac_ext <<_ACEOF
+#line 10854 "configure"
+#include "confdefs.h"
+#define _LARGE_FILES 1
+#include <sys/types.h>
+ /* Check that off_t can represent 2**63 - 1 correctly.
+ We can't simply define LARGE_OFF_T to be 9223372036854775807,
+ since some C++ compilers masquerading as C compilers
+ incorrectly reject 9223372036854775807. */
+#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62))
+ int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+ && LARGE_OFF_T % 2147483647 == 1)
+ ? 1 : -1];
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:10875: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:10878: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:10881: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:10884: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_cv_sys_large_files=1; break
+else
+ echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+fi
+rm -f conftest.$ac_objext conftest.$ac_ext
+ break
+done
+fi
+echo "$as_me:10895: result: $ac_cv_sys_large_files" >&5
+echo "${ECHO_T}$ac_cv_sys_large_files" >&6
+if test "$ac_cv_sys_large_files" != no; then
+
+cat >>confdefs.h <<EOF
+#define _LARGE_FILES $ac_cv_sys_large_files
+EOF
+
+fi
+rm -rf conftest*
+fi
+
+ if test "$enable_largefile" != no ; then
+ echo "$as_me:10908: checking for _LARGEFILE_SOURCE value needed for large files" >&5
+echo $ECHO_N "checking for _LARGEFILE_SOURCE value needed for large files... $ECHO_C" >&6
+if test "${ac_cv_sys_largefile_source+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ while :; do
+ ac_cv_sys_largefile_source=no
+ cat >conftest.$ac_ext <<_ACEOF
+#line 10916 "configure"
+#include "confdefs.h"
+#include <stdio.h>
+int
+main ()
+{
+return !fseeko;
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:10928: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:10931: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:10934: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:10937: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ break
+else
+ echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+fi
+rm -f conftest.$ac_objext conftest.$ac_ext
+ cat >conftest.$ac_ext <<_ACEOF
+#line 10946 "configure"
+#include "confdefs.h"
+#define _LARGEFILE_SOURCE 1
+#include <stdio.h>
+int
+main ()
+{
+return !fseeko;
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:10959: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:10962: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:10965: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:10968: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_cv_sys_largefile_source=1; break
+else
+ echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+fi
+rm -f conftest.$ac_objext conftest.$ac_ext
+ break
+done
+fi
+echo "$as_me:10979: result: $ac_cv_sys_largefile_source" >&5
+echo "${ECHO_T}$ac_cv_sys_largefile_source" >&6
+if test "$ac_cv_sys_largefile_source" != no; then
+
+cat >>confdefs.h <<EOF
+#define _LARGEFILE_SOURCE $ac_cv_sys_largefile_source
+EOF
+
+fi
+rm -rf conftest*
+
+# We used to try defining _XOPEN_SOURCE=500 too, to work around a bug
+# in glibc 2.1.3, but that breaks too many other things.
+# If you want fseeko and ftello with glibc, upgrade to a fixed glibc.
+echo "$as_me:10993: checking for fseeko" >&5
+echo $ECHO_N "checking for fseeko... $ECHO_C" >&6
+if test "${ac_cv_func_fseeko+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+#line 10999 "configure"
+#include "confdefs.h"
+#include <stdio.h>
+int
+main ()
+{
+return fseeko && fseeko (stdin, 0, 0);
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:11011: \"$ac_link\"") >&5
+ (eval $ac_link) 2>&5
+ ac_status=$?
+ echo "$as_me:11014: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest$ac_exeext'
+ { (eval echo "$as_me:11017: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:11020: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_cv_func_fseeko=yes
+else
+ echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+ac_cv_func_fseeko=no
+fi
+rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+fi
+echo "$as_me:11030: result: $ac_cv_func_fseeko" >&5
+echo "${ECHO_T}$ac_cv_func_fseeko" >&6
+if test $ac_cv_func_fseeko = yes; then
+
+cat >>confdefs.h <<\EOF
+#define HAVE_FSEEKO 1
+EOF
+
+fi
+
+ # Normally we would collect these definitions in the config.h,
+ # but (like _XOPEN_SOURCE), some environments rely on having these
+ # defined before any of the system headers are included. Another
+ # case comes up with C++, e.g., on AIX the compiler compiles the
+ # header files by themselves before looking at the body files it is
+ # told to compile. For ncurses, those header files do not include
+ # the config.h
+ test "$ac_cv_sys_large_files" != no && CPPFLAGS="$CPPFLAGS -D_LARGE_FILES "
+ test "$ac_cv_sys_largefile_source" != no && CPPFLAGS="$CPPFLAGS -D_LARGEFILE_SOURCE "
+ test "$ac_cv_sys_file_offset_bits" != no && CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits "
+
+ echo "$as_me:11051: checking whether to use struct dirent64" >&5
+echo $ECHO_N "checking whether to use struct dirent64... $ECHO_C" >&6
+if test "${cf_cv_struct_dirent64+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+ cat >conftest.$ac_ext <<_ACEOF
+#line 11058 "configure"
+#include "confdefs.h"
+
+#include <sys/types.h>
+#include <dirent.h>
+
+int
+main ()
+{
+
+ /* if transitional largefile support is setup, this is true */
+ extern struct dirent64 * readdir(DIR *);
+ struct dirent64 *x = readdir((DIR *)0);
+ struct dirent *y = readdir((DIR *)0);
+ int z = x - y;
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:11079: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:11082: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:11085: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:11088: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ cf_cv_struct_dirent64=yes
+else
+ echo "$as_me: failed program was:" >&5
+cat conftest.$ac_ext >&5
+cf_cv_struct_dirent64=no
+fi
+rm -f conftest.$ac_objext conftest.$ac_ext