+for ac_declaration in \
+ ''\
+ '#include <stdlib.h>' \
+ 'extern "C" void std::exit (int) throw (); using std::exit;' \
+ 'extern "C" void std::exit (int); using std::exit;' \
+ 'extern "C" void exit (int) throw ();' \
+ 'extern "C" void exit (int);' \
+ 'void exit (int);'
+do
+ cat > conftest.$ac_ext <<EOF
+#line 1342 "configure"
+#include "confdefs.h"
+#include <stdlib.h>
+$ac_declaration
+int main() {
+exit (42);
+; return 0; }
+EOF
+if { (eval echo configure:1350: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+ :
+else
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
+ rm -rf conftest*
+ continue
+fi
+rm -f conftest*
+ cat > conftest.$ac_ext <<EOF
+#line 1360 "configure"
+#include "confdefs.h"
+$ac_declaration
+int main() {
+exit (42);
+; return 0; }
+EOF
+if { (eval echo configure:1367: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+ rm -rf conftest*
+ break
+else
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
+fi
+rm -f conftest*
+done
+if test -n "$ac_declaration"; then
+ echo '#ifdef __cplusplus' >>confdefs.h
+ echo $ac_declaration >>confdefs.h
+ echo '#endif' >>confdefs.h
+fi
+
+
+echo $ac_n "checking whether byte ordering is bigendian""... $ac_c" 1>&6
+echo "configure:1384: checking whether byte ordering is bigendian" >&5
+if eval "test \"`echo '$''{'ac_cv_c_bigendian'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+ ac_cv_c_bigendian=unknown
+# See if sys/param.h defines the BYTE_ORDER macro.
+cat > conftest.$ac_ext <<EOF
+#line 1391 "configure"
+#include "confdefs.h"
+#include <sys/types.h>
+#include <sys/param.h>
+int main() {
+
+#if !BYTE_ORDER || !BIG_ENDIAN || !LITTLE_ENDIAN
+ bogus endian macros
+#endif
+; return 0; }
+EOF
+if { (eval echo configure:1402: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+ rm -rf conftest*
+ # It does; now see whether it defined to BIG_ENDIAN or not.
+cat > conftest.$ac_ext <<EOF
+#line 1406 "configure"
+#include "confdefs.h"
+#include <sys/types.h>
+#include <sys/param.h>
+int main() {
+
+#if BYTE_ORDER != BIG_ENDIAN
+ not big endian
+#endif
+; return 0; }
+EOF
+if { (eval echo configure:1417: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+ rm -rf conftest*
+ ac_cv_c_bigendian=yes
+else
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
+ rm -rf conftest*
+ ac_cv_c_bigendian=no
+fi
+rm -f conftest*
+else
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
+fi
+rm -f conftest*
+if test $ac_cv_c_bigendian = unknown; then
+if test "$cross_compiling" = yes; then
+ { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
+else
+ cat > conftest.$ac_ext <<EOF
+#line 1437 "configure"
+#include "confdefs.h"
+main () {
+ /* Are we little or big endian? From Harbison&Steele. */
+ union
+ {
+ long l;
+ char c[sizeof (long)];
+ } u;
+ u.l = 1;
+ exit (u.c[sizeof (long) - 1] == 1);
+}
+EOF
+if { (eval echo configure:1450: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+then
+ ac_cv_c_bigendian=no
+else
+ echo "configure: failed program was:" >&5
+ cat conftest.$ac_ext >&5
+ rm -fr conftest*
+ ac_cv_c_bigendian=yes
+fi
+rm -fr conftest*
+fi
+
+fi
+fi
+
+echo "$ac_t""$ac_cv_c_bigendian" 1>&6
+if test $ac_cv_c_bigendian = yes; then
+ cat >> confdefs.h <<\EOF
+#define WORDS_BIGENDIAN 1
+EOF
+
+fi
+
+