configure

  (exit $ac_status); }; }; then
  eval "$as_ac_var=yes"
else
  echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5

eval "$as_ac_var=no"
fi
rm -f conftest.err conftest.$ac_objext \
      conftest$ac_exeext conftest.$ac_ext
fi
echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
if test `eval echo '${'$as_ac_var'}'` = yes; then

cat >>confdefs.h <<_ACEOF
#define CRAY_STACKSEG_END $ac_func
_ACEOF

    break
fi

  done
fi

echo "$as_me:$LINENO: checking stack direction for C alloca" >&5
echo $ECHO_N "checking stack direction for C alloca... $ECHO_C" >&6
if test "${ac_cv_c_stack_direction+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  if test "$cross_compiling" = yes; then
  ac_cv_c_stack_direction=0
else
  cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h.  */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h.  */
int
find_stack_direction ()
{
  static char *addr = 0;
  auto char dummy;
  if (addr == 0)
    {
      addr = &dummy;
      return find_stack_direction ();
    }
  else
    return (&dummy > addr) ? 1 : -1;
}

int
main ()
{
  exit (find_stack_direction () < 0);
}
_ACEOF
rm -f conftest$ac_exeext
if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
  (eval $ac_link) 2>&5
  ac_status=$?
  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
  (eval $ac_try) 2>&5
  ac_status=$?
  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  (exit $ac_status); }; }; then
  ac_cv_c_stack_direction=1
else
  echo "$as_me: program exited with status $ac_status" >&5
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5

( exit $ac_status )
ac_cv_c_stack_direction=-1
fi
rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
fi
fi
echo "$as_me:$LINENO: result: $ac_cv_c_stack_direction" >&5
echo "${ECHO_T}$ac_cv_c_stack_direction" >&6

cat >>confdefs.h <<_ACEOF
#define STACK_DIRECTION $ac_cv_c_stack_direction
_ACEOF


fi


echo "$as_me:$LINENO: checking for srand48/lrand48/drand48 in <stdlib.h>" >&5
echo $ECHO_N "checking for srand48/lrand48/drand48 in <stdlib.h>... $ECHO_C" >&6
if test "${ac_cv_func_rand48+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  ac_ext=cc
ac_cpp='$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

   cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h.  */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h.  */
#include <stdlib.h>
int
main ()
{
srand48(0);lrand48();drand48();
  ;
  return 0;
}
_ACEOF
rm -f conftest.$ac_objext
if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
  (eval $ac_compile) 2>conftest.er1
  ac_status=$?
  grep -v '^ *+' conftest.er1 >conftest.err
  rm -f conftest.er1
  cat conftest.err >&5
  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  (exit $ac_status); } &&
	 { ac_try='test -z "$ac_cxx_werror_flag"
			 || test ! -s conftest.err'
  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
  (eval $ac_try) 2>&5
  ac_status=$?
  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  (exit $ac_status); }; } &&
	 { ac_try='test -s conftest.$ac_objext'
  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
  (eval $ac_try) 2>&5
  ac_status=$?
  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  (exit $ac_status); }; }; then
  ac_cv_func_rand48=yes
else
  echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5

ac_cv_func_rand48=no
fi
rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
  ac_ext=c
ac_cpp='$CPP $CPPFLAGS'
ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_c_compiler_gnu

fi
echo "$as_me:$LINENO: result: $ac_cv_func_rand48" >&5
echo "${ECHO_T}$ac_cv_func_rand48" >&6

if test "$ac_cv_func_rand48" = "yes" ; then

cat >>confdefs.h <<\_ACEOF
#define HAVE_RAND48 1
_ACEOF

fi


echo "$as_me:$LINENO: checking whether the compiler implements namespaces" >&5
echo $ECHO_N "checking whether the compiler implements namespaces... $ECHO_C" >&6
if test "${ac_cv_cxx_namespaces+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  ac_ext=cc
ac_cpp='$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

 cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h.  */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h.  */
namespace Outer { namespace Inner { int i = 0; }}
int
main ()
{
using namespace Outer::Inner; return i;
  ;
  return 0;
}
_ACEOF
rm -f conftest.$ac_objext
if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
  (eval $ac_compile) 2>conftest.er1
  ac_status=$?
  grep -v '^ *+' conftest.er1 >conftest.err
  rm -f conftest.er1
  cat conftest.err >&5
  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  (exit $ac_status); } &&
	 { ac_try='test -z "$ac_cxx_werror_flag"
			 || test ! -s conftest.err'
  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
  (eval $ac_try) 2>&5
  ac_status=$?
  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  (exit $ac_status); }; } &&
	 { ac_try='test -s conftest.$ac_objext'
  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
  (eval $ac_try) 2>&5
  ac_status=$?
  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  (exit $ac_status); }; }; then
  ac_cv_cxx_namespaces=yes
else
  echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5

ac_cv_cxx_namespaces=no
fi
rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
 ac_ext=c
ac_cpp='$CPP $CPPFLAGS'
ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_c_compiler_gnu


fi
echo "$as_me:$LINENO: result: $ac_cv_cxx_namespaces" >&5
echo "${ECHO_T}$ac_cv_cxx_namespaces" >&6
if test "$ac_cv_cxx_namespaces" = yes; then

cat >>confdefs.h <<\_ACEOF
#define HAVE_NAMESPACES
_ACEOF

fi

echo "$as_me:$LINENO: checking whether the compiler has <ext/hash_map> defining template class std::hash_map" >&5
echo $ECHO_N "checking whether the compiler has <ext/hash_map> defining template class std::hash_map... $ECHO_C" >&6
if test "${ac_cv_cxx_have_std_ext_hash_map+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else

  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

  cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h.  */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h.  */
#include <ext/hash_map>
#ifdef HAVE_NAMESPACES
using namespace std;
#endif
int
main ()
{
hash_map<int, int> t;
  ;
  return 0;
}
_ACEOF
rm -f conftest.$ac_objext
if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
  (eval $ac_compile) 2>conftest.er1
  ac_status=$?
  grep -v '^ *+' conftest.er1 >conftest.err
  rm -f conftest.er1
  cat conftest.err >&5
  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  (exit $ac_status); } &&
	 { ac_try='test -z "$ac_cxx_werror_flag"
			 || test ! -s conftest.err'
  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
  (eval $ac_try) 2>&5
  ac_status=$?
  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  (exit $ac_status); }; } &&
	 { ac_try='test -s conftest.$ac_objext'
  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
  (eval $ac_try) 2>&5
  ac_status=$?
  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  (exit $ac_status); }; }; then
  ac_cv_cxx_have_std_ext_hash_map=yes
else
  echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5

ac_cv_cxx_have_std_ext_hash_map=no
fi
rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
  ac_ext=c
ac_cpp='$CPP $CPPFLAGS'
ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_c_compiler_gnu

fi
echo "$as_me:$LINENO: result: $ac_cv_cxx_have_std_ext_hash_map" >&5
echo "${ECHO_T}$ac_cv_cxx_have_std_ext_hash_map" >&6
 if test "$ac_cv_cxx_have_std_ext_hash_map" = yes
 then

cat >>confdefs.h <<\_ACEOF
#define HAVE_STD_EXT_HASH_MAP 1
_ACEOF

 else

cat >>confdefs.h <<\_ACEOF
#define HAVE_STD_EXT_HASH_MAP 0
_ACEOF

 fi

 echo "$as_me:$LINENO: checking whether the compiler has <ext/hash_map> defining template class __gnu_cxx::hash_map" >&5
echo $ECHO_N "checking whether the compiler has <ext/hash_map> defining template class __gnu_cxx::hash_map... $ECHO_C" >&6
if test "${ac_cv_cxx_have_gnu_ext_hash_map+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else

  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

  cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h.  */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h.  */
#include <ext/hash_map>
#ifdef HAVE_NAMESPACES
using namespace __gnu_cxx;
#endif
int
main ()
{
hash_map<int,int> t;
  ;
  return 0;
}
_ACEOF
rm -f conftest.$ac_objext
if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
  (eval $ac_compile) 2>conftest.er1
  ac_status=$?
  grep -v '^ *+' conftest.er1 >conftest.err
  rm -f conftest.er1
  cat conftest.err >&5
  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  (exit $ac_status); } &&
	 { ac_try='test -z "$ac_cxx_werror_flag"
			 || test ! -s conftest.err'
  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
  (eval $ac_try) 2>&5
  ac_status=$?
  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  (exit $ac_status); }; } &&
	 { ac_try='test -s conftest.$ac_objext'
  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
  (eval $ac_try) 2>&5
  ac_status=$?
  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  (exit $ac_status); }; }; then
  ac_cv_cxx_have_gnu_ext_hash_map=yes
else
  echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5

ac_cv_cxx_have_gnu_ext_hash_map=no
fi
rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
  ac_ext=c
ac_cpp='$CPP $CPPFLAGS'
ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_c_compiler_gnu

fi
echo "$as_me:$LINENO: result: $ac_cv_cxx_have_gnu_ext_hash_map" >&5
echo "${ECHO_T}$ac_cv_cxx_have_gnu_ext_hash_map" >&6
 if test "$ac_cv_cxx_have_gnu_ext_hash_map" = yes
 then

cat >>confdefs.h <<\_ACEOF
#define HAVE_GNU_EXT_HASH_MAP 1
_ACEOF

 else

cat >>confdefs.h <<\_ACEOF
#define HAVE_GNU_EXT_HASH_MAP 0
_ACEOF

 fi

 echo "$as_me:$LINENO: checking whether the compiler has <hash_map> defining template class ::hash_map" >&5
echo $ECHO_N "checking whether the compiler has <hash_map> defining template class ::hash_map... $ECHO_C" >&6
if test "${ac_cv_cxx_have_global_hash_map+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else

  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

  cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h.  */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h.  */
#include <hash_map>
int
main ()
{
hash_map<int,int> t;
  ;
  return 0;
}
_ACEOF
rm -f conftest.$ac_objext
if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
  (eval $ac_compile) 2>conftest.er1
  ac_status=$?
  grep -v '^ *+' conftest.er1 >conftest.err
  rm -f conftest.er1
  cat conftest.err >&5
  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  (exit $ac_status); } &&
	 { ac_try='test -z "$ac_cxx_werror_flag"
			 || test ! -s conftest.err'
  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
  (eval $ac_try) 2>&5
  ac_status=$?
  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  (exit $ac_status); }; } &&
	 { ac_try='test -s conftest.$ac_objext'
  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
  (eval $ac_try) 2>&5
  ac_status=$?
  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  (exit $ac_status); }; }; then
  ac_cv_cxx_have_global_hash_map=yes
else
  echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5

ac_cv_cxx_have_global_hash_map=no
fi
rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
  ac_ext=c
ac_cpp='$CPP $CPPFLAGS'
ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_c_compiler_gnu

fi
echo "$as_me:$LINENO: result: $ac_cv_cxx_have_global_hash_map" >&5
echo "${ECHO_T}$ac_cv_cxx_have_global_hash_map" >&6
 if test "$ac_cv_cxx_have_global_hash_map" = yes
 then

cat >>confdefs.h <<\_ACEOF
#define HAVE_GLOBAL_HASH_MAP 1
_ACEOF

 else

cat >>confdefs.h <<\_ACEOF
#define HAVE_GLOBAL_HASH_MAP 0
_ACEOF

 fi

echo "$as_me:$LINENO: checking whether the compiler has <ext/hash_set> defining template class std::hash_set" >&5
echo $ECHO_N "checking whether the compiler has <ext/hash_set> defining template class std::hash_set... $ECHO_C" >&6
if test "${ac_cv_cxx_have_std_ext_hash_set+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else

  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

  cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h.  */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h.  */
#include <ext/hash_set>
#ifdef HAVE_NAMESPACES
using namespace std;
#endif
int
main ()
{
hash_set<int> t;
  ;
  return 0;
}
_ACEOF
rm -f conftest.$ac_objext
if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
  (eval $ac_compile) 2>conftest.er1
  ac_status=$?
  grep -v '^ *+' conftest.er1 >conftest.err
  rm -f conftest.er1
  cat conftest.err >&5
  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  (exit $ac_status); } &&
	 { ac_try='test -z "$ac_cxx_werror_flag"
			 || test ! -s conftest.err'
  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
  (eval $ac_try) 2>&5
  ac_status=$?
  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  (exit $ac_status); }; } &&
	 { ac_try='test -s conftest.$ac_objext'
  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
  (eval $ac_try) 2>&5
  ac_status=$?
  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  (exit $ac_status); }; }; then
  ac_cv_cxx_have_std_ext_hash_set=yes
else
  echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5

ac_cv_cxx_have_std_ext_hash_set=no
fi
rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
  ac_ext=c
ac_cpp='$CPP $CPPFLAGS'
ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_c_compiler_gnu

fi
echo "$as_me:$LINENO: result: $ac_cv_cxx_have_std_ext_hash_set" >&5
echo "${ECHO_T}$ac_cv_cxx_have_std_ext_hash_set" >&6
 if test "$ac_cv_cxx_have_std_ext_hash_set" = yes
 then

cat >>confdefs.h <<\_ACEOF
#define HAVE_STD_EXT_HASH_SET 1
_ACEOF

 else

cat >>confdefs.h <<\_ACEOF
#define HAVE_STD_EXT_HASH_SET 0
_ACEOF

 fi

 echo "$as_me:$LINENO: checking whether the compiler has <ext/hash_set> defining template class __gnu_cxx::hash_set" >&5
echo $ECHO_N "checking whether the compiler has <ext/hash_set> defining template class __gnu_cxx::hash_set... $ECHO_C" >&6
if test "${ac_cv_cxx_have_gnu_ext_hash_set+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else

  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

  cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h.  */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h.  */
#include <ext/hash_set>
#ifdef HAVE_NAMESPACES
using namespace __gnu_cxx;
#endif
int
main ()
{
hash_set<int> t;
  ;
  return 0;
}
_ACEOF
rm -f conftest.$ac_objext
if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
  (eval $ac_compile) 2>conftest.er1
  ac_status=$?
  grep -v '^ *+' conftest.er1 >conftest.err
  rm -f conftest.er1
  cat conftest.err >&5
  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  (exit $ac_status); } &&
	 { ac_try='test -z "$ac_cxx_werror_flag"
			 || test ! -s conftest.err'
  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
  (eval $ac_try) 2>&5
  ac_status=$?
  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  (exit $ac_status); }; } &&
	 { ac_try='test -s conftest.$ac_objext'
  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
  (eval $ac_try) 2>&5
  ac_status=$?
  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  (exit $ac_status); }; }; then
  ac_cv_cxx_have_gnu_ext_hash_set=yes
else
  echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5

ac_cv_cxx_have_gnu_ext_hash_set=no
fi
rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
  ac_ext=c
ac_cpp='$CPP $CPPFLAGS'
ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_c_compiler_gnu

fi
echo "$as_me:$LINENO: result: $ac_cv_cxx_have_gnu_ext_hash_set" >&5
echo "${ECHO_T}$ac_cv_cxx_have_gnu_ext_hash_set" >&6
 if test "$ac_cv_cxx_have_gnu_ext_hash_set" = yes
 then

cat >>confdefs.h <<\_ACEOF
#define HAVE_GNU_EXT_HASH_SET 1
_ACEOF

 else

cat >>confdefs.h <<\_ACEOF
#define HAVE_GNU_EXT_HASH_SET 0
_ACEOF

 fi

 echo "$as_me:$LINENO: checking whether the compiler has <hash_set> defining template class ::hash_set" >&5
echo $ECHO_N "checking whether the compiler has <hash_set> defining template class ::hash_set... $ECHO_C" >&6
if test "${ac_cv_cxx_have_global_hash_set+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else

  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

  cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h.  */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h.  */
#include <hash_set>
int
main ()
{
hash_set<int> t; return 0;
  ;
  return 0;
}
_ACEOF
rm -f conftest.$ac_objext
if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
  (eval $ac_compile) 2>conftest.er1
  ac_status=$?
  grep -v '^ *+' conftest.er1 >conftest.err
  rm -f conftest.er1
  cat conftest.err >&5
  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  (exit $ac_status); } &&
	 { ac_try='test -z "$ac_cxx_werror_flag"
			 || test ! -s conftest.err'
  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
  (eval $ac_try) 2>&5
  ac_status=$?
  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  (exit $ac_status); }; } &&
	 { ac_try='test -s conftest.$ac_objext'
  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
  (eval $ac_try) 2>&5
  ac_status=$?
  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  (exit $ac_status); }; }; then
  ac_cv_cxx_have_global_hash_set=yes
else
  echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5

ac_cv_cxx_have_global_hash_set=no
fi
rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
  ac_ext=c
ac_cpp='$CPP $CPPFLAGS'
ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_c_compiler_gnu

fi
echo "$as_me:$LINENO: result: $ac_cv_cxx_have_global_hash_set" >&5
echo "${ECHO_T}$ac_cv_cxx_have_global_hash_set" >&6
 if test "$ac_cv_cxx_have_global_hash_set" = yes
 then

cat >>confdefs.h <<\_ACEOF
#define HAVE_GLOBAL_HASH_SET 1
_ACEOF

 else

cat >>confdefs.h <<\_ACEOF
#define HAVE_GLOBAL_HASH_SET 0
_ACEOF

 fi

echo "$as_me:$LINENO: checking whether the compiler has the standard iterator" >&5
echo $ECHO_N "checking whether the compiler has the standard iterator... $ECHO_C" >&6
if test "${ac_cv_cxx_have_std_iterator+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else

  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

  cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h.  */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h.  */
#include <iterator>
#ifdef HAVE_NAMESPACES
using namespace std;
#endif
int
main ()
{
iterator<int,int,int> t; return 0;
  ;
  return 0;
}
_ACEOF
rm -f conftest.$ac_objext
if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
  (eval $ac_compile) 2>conftest.er1
  ac_status=$?
  grep -v '^ *+' conftest.er1 >conftest.err
  rm -f conftest.er1
  cat conftest.err >&5
  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  (exit $ac_status); } &&
	 { ac_try='test -z "$ac_cxx_werror_flag"
			 || test ! -s conftest.err'
  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
  (eval $ac_try) 2>&5
  ac_status=$?
  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  (exit $ac_status); }; } &&
	 { ac_try='test -s conftest.$ac_objext'
  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
  (eval $ac_try) 2>&5
  ac_status=$?
  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  (exit $ac_status); }; }; then
  ac_cv_cxx_have_std_iterator=yes
else
  echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5

ac_cv_cxx_have_std_iterator=no
fi
rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
  ac_ext=c
ac_cpp='$CPP $CPPFLAGS'
ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_c_compiler_gnu


fi
echo "$as_me:$LINENO: result: $ac_cv_cxx_have_std_iterator" >&5
echo "${ECHO_T}$ac_cv_cxx_have_std_iterator" >&6
if test "$ac_cv_cxx_have_std_iterator" = yes
then

cat >>confdefs.h <<\_ACEOF
#define HAVE_STD_ITERATOR 1
_ACEOF

else

cat >>confdefs.h <<\_ACEOF
#define HAVE_STD_ITERATOR 0
_ACEOF

fi

echo "$as_me:$LINENO: checking whether the compiler has the bidirectional iterator" >&5
echo $ECHO_N "checking whether the compiler has the bidirectional iterator... $ECHO_C" >&6
if test "${ac_cv_cxx_have_bi_iterator+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else

  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

  cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h.  */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h.  */
#include <iterator>
#ifdef HAVE_NAMESPACES
using namespace std;
#endif
int
main ()
{
bidirectional_iterator<int,int> t; return 0;
  ;
  return 0;
}
_ACEOF
rm -f conftest.$ac_objext
if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
  (eval $ac_compile) 2>conftest.er1
  ac_status=$?
  grep -v '^ *+' conftest.er1 >conftest.err
  rm -f conftest.er1
  cat conftest.err >&5
  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  (exit $ac_status); } &&
	 { ac_try='test -z "$ac_cxx_werror_flag"
			 || test ! -s conftest.err'
  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
  (eval $ac_try) 2>&5
  ac_status=$?
  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  (exit $ac_status); }; } &&
	 { ac_try='test -s conftest.$ac_objext'
  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
  (eval $ac_try) 2>&5
  ac_status=$?
  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  (exit $ac_status); }; }; then
  ac_cv_cxx_have_bi_iterator=yes
else
  echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5

ac_cv_cxx_have_bi_iterator=no
fi
rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
  ac_ext=c
ac_cpp='$CPP $CPPFLAGS'
ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_c_compiler_gnu


fi
echo "$as_me:$LINENO: result: $ac_cv_cxx_have_bi_iterator" >&5
echo "${ECHO_T}$ac_cv_cxx_have_bi_iterator" >&6
if test "$ac_cv_cxx_have_bi_iterator" = yes
then

cat >>confdefs.h <<\_ACEOF
#define HAVE_BI_ITERATOR 1
_ACEOF

else

cat >>confdefs.h <<\_ACEOF
#define HAVE_BI_ITERATOR 0
_ACEOF

fi

echo "$as_me:$LINENO: checking whether the compiler has forward iterators" >&5
echo $ECHO_N "checking whether the compiler has forward iterators... $ECHO_C" >&6
if test "${ac_cv_cxx_have_fwd_iterator+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else

  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

  cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h.  */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h.  */
#include <iterator>
#ifdef HAVE_NAMESPACES
using namespace std;
#endif
int
main ()
{
forward_iterator<int,int> t; return 0;
  ;
  return 0;
}
_ACEOF
rm -f conftest.$ac_objext
if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
  (eval $ac_compile) 2>conftest.er1
  ac_status=$?
  grep -v '^ *+' conftest.er1 >conftest.err
  rm -f conftest.er1
  cat conftest.err >&5
  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  (exit $ac_status); } &&
	 { ac_try='test -z "$ac_cxx_werror_flag"
			 || test ! -s conftest.err'
  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
  (eval $ac_try) 2>&5
  ac_status=$?
  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  (exit $ac_status); }; } &&
	 { ac_try='test -s conftest.$ac_objext'
  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
  (eval $ac_try) 2>&5
  ac_status=$?
  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  (exit $ac_status); }; }; then
  ac_cv_cxx_have_fwd_iterator=yes
else
  echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5

ac_cv_cxx_have_fwd_iterator=no
fi
rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
  ac_ext=c
ac_cpp='$CPP $CPPFLAGS'
ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_c_compiler_gnu


fi
echo "$as_me:$LINENO: result: $ac_cv_cxx_have_fwd_iterator" >&5
echo "${ECHO_T}$ac_cv_cxx_have_fwd_iterator" >&6
if test "$ac_cv_cxx_have_fwd_iterator" = yes
then

cat >>confdefs.h <<\_ACEOF
#define HAVE_FWD_ITERATOR 1
_ACEOF

else

cat >>confdefs.h <<\_ACEOF
#define HAVE_FWD_ITERATOR 0
_ACEOF

fi


echo "$as_me:$LINENO: checking for isnan in <math.h>" >&5
echo $ECHO_N "checking for isnan in <math.h>... $ECHO_C" >&6
if test "${ac_cv_func_isnan_in_math_h+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6