cat conftest.$ac_ext >&5{ { echo "$as_me:$LINENO: error: C compiler cannot create executables" >&5echo "$as_me: error: C compiler cannot create executables" >&2;}   { (exit 77); exit 77; }; }fiac_exeext=$ac_cv_exeextecho "$as_me:$LINENO: result: $ac_file" >&5echo "${ECHO_T}$ac_file" >&6# Check the compiler produces executables we can run.  If not, either# the compiler is broken, or we cross compile.echo "$as_me:$LINENO: checking whether the C compiler works" >&5echo $ECHO_N "checking whether the C compiler works... $ECHO_C" >&6# FIXME: These cross compiler hacks should be removed for Autoconf 3.0# If not cross compiling, check that we can run a simple program.if test "$cross_compiling" != yes; then  if { ac_try='./$ac_file'  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5  (eval $ac_try) 2>&5  ac_status=$?  echo "$as_me:$LINENO: \$? = $ac_status" >&5  (exit $ac_status); }; }; then    cross_compiling=no  else    if test "$cross_compiling" = maybe; then	cross_compiling=yes    else	{ { echo "$as_me:$LINENO: error: cannot run C compiled programs.If you meant to cross compile, use \`--host'." >&5echo "$as_me: error: cannot run C compiled programs.If you meant to cross compile, use \`--host'." >&2;}   { (exit 1); exit 1; }; }    fi  fifiecho "$as_me:$LINENO: result: yes" >&5echo "${ECHO_T}yes" >&6rm -f a.out a.exe conftest$ac_cv_exeextac_clean_files=$ac_clean_files_save# Check the compiler produces executables we can run.  If not, either# the compiler is broken, or we cross compile.echo "$as_me:$LINENO: checking whether we are cross compiling" >&5echo $ECHO_N "checking whether we are cross compiling... $ECHO_C" >&6echo "$as_me:$LINENO: result: $cross_compiling" >&5echo "${ECHO_T}$cross_compiling" >&6echo "$as_me:$LINENO: checking for suffix of executables" >&5echo $ECHO_N "checking for suffix of executables... $ECHO_C" >&6if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5  (eval $ac_link) 2>&5  ac_status=$?  echo "$as_me:$LINENO: \$? = $ac_status" >&5  (exit $ac_status); }; then  # If both `conftest.exe' and `conftest' are `present' (well, observable)# catch `conftest.exe'.  For instance with Cygwin, `ls conftest' will# work properly (i.e., refer to `conftest.exe'), while it won't with# `rm'.for ac_file in `(ls conftest.exe; ls conftest; ls conftest.*) 2>/dev/null`; do  case $ac_file in    *.$ac_ext | *.o | *.obj | *.xcoff | *.tds | *.d | *.pdb ) ;;    *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`          export ac_cv_exeext          break;;    * ) break;;  esacdoneelse  { { echo "$as_me:$LINENO: error: cannot compute suffix of executables: cannot compile and link" >&5echo "$as_me: error: cannot compute suffix of executables: cannot compile and link" >&2;}   { (exit 1); exit 1; }; }firm -f conftest$ac_cv_exeextecho "$as_me:$LINENO: result: $ac_cv_exeext" >&5echo "${ECHO_T}$ac_cv_exeext" >&6rm -f conftest.$ac_extEXEEXT=$ac_cv_exeextac_exeext=$EXEEXTecho "$as_me:$LINENO: checking for suffix of object files" >&5echo $ECHO_N "checking for suffix of object files... $ECHO_C" >&6if test "${ac_cv_objext+set}" = set; then  echo $ECHO_N "(cached) $ECHO_C" >&6else  cat >conftest.$ac_ext <<_ACEOF#line $LINENO "configure"#include "confdefs.h"#ifdef F77_DUMMY_MAIN#  ifdef __cplusplus     extern "C"#  endif   int F77_DUMMY_MAIN() { return 1; }#endifintmain (){  ;  return 0;}_ACEOFrm -f conftest.o conftest.objif { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5  (eval $ac_compile) 2>&5  ac_status=$?  echo "$as_me:$LINENO: \$? = $ac_status" >&5  (exit $ac_status); }; then  for ac_file in `(ls conftest.o conftest.obj; ls conftest.*) 2>/dev/null`; do  case $ac_file in    *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb ) ;;    *) ac_cv_objext=`expr "$ac_file" : '.*\.\(.*\)'`       break;;  esacdoneelse  echo "$as_me: failed program was:" >&5cat conftest.$ac_ext >&5{ { echo "$as_me:$LINENO: error: cannot compute suffix of object files: cannot compile" >&5echo "$as_me: error: cannot compute suffix of object files: cannot compile" >&2;}   { (exit 1); exit 1; }; }firm -f conftest.$ac_cv_objext conftest.$ac_extfiecho "$as_me:$LINENO: result: $ac_cv_objext" >&5echo "${ECHO_T}$ac_cv_objext" >&6OBJEXT=$ac_cv_objextac_objext=$OBJEXTecho "$as_me:$LINENO: checking whether we are using the GNU C compiler" >&5echo $ECHO_N "checking whether we are using the GNU C compiler... $ECHO_C" >&6if test "${ac_cv_c_compiler_gnu+set}" = set; then  echo $ECHO_N "(cached) $ECHO_C" >&6else  cat >conftest.$ac_ext <<_ACEOF#line $LINENO "configure"#include "confdefs.h"#ifdef F77_DUMMY_MAIN#  ifdef __cplusplus     extern "C"#  endif   int F77_DUMMY_MAIN() { return 1; }#endifintmain (){#ifndef __GNUC__       choke me#endif  ;  return 0;}_ACEOFrm -f conftest.$ac_objextif { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5  (eval $ac_compile) 2>&5  ac_status=$?  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 $ac_status); }; }; then  ac_compiler_gnu=yeselse  echo "$as_me: failed program was:" >&5cat conftest.$ac_ext >&5ac_compiler_gnu=nofirm -f conftest.$ac_objext conftest.$ac_extac_cv_c_compiler_gnu=$ac_compiler_gnufiecho "$as_me:$LINENO: result: $ac_cv_c_compiler_gnu" >&5echo "${ECHO_T}$ac_cv_c_compiler_gnu" >&6GCC=`test $ac_compiler_gnu = yes && echo yes`ac_test_CFLAGS=${CFLAGS+set}ac_save_CFLAGS=$CFLAGSCFLAGS="-g"echo "$as_me:$LINENO: checking whether $CC accepts -g" >&5echo $ECHO_N "checking whether $CC accepts -g... $ECHO_C" >&6if test "${ac_cv_prog_cc_g+set}" = set; then  echo $ECHO_N "(cached) $ECHO_C" >&6else  cat >conftest.$ac_ext <<_ACEOF#line $LINENO "configure"#include "confdefs.h"#ifdef F77_DUMMY_MAIN#  ifdef __cplusplus     extern "C"#  endif   int F77_DUMMY_MAIN() { return 1; }#endifintmain (){  ;  return 0;}_ACEOFrm -f conftest.$ac_objextif { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5  (eval $ac_compile) 2>&5  ac_status=$?  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 $ac_status); }; }; then  ac_cv_prog_cc_g=yeselse  echo "$as_me: failed program was:" >&5cat conftest.$ac_ext >&5ac_cv_prog_cc_g=nofirm -f conftest.$ac_objext conftest.$ac_extfiecho "$as_me:$LINENO: result: $ac_cv_prog_cc_g" >&5echo "${ECHO_T}$ac_cv_prog_cc_g" >&6if test "$ac_test_CFLAGS" = set; then  CFLAGS=$ac_save_CFLAGSelif test $ac_cv_prog_cc_g = yes; then  if test "$GCC" = yes; then    CFLAGS="-g -O2"  else    CFLAGS="-g"  fielse  if test "$GCC" = yes; then    CFLAGS="-O2"  else    CFLAGS=  fifi# Some people use a C++ compiler to compile C.  Since we use `exit',# in C++ we need to declare it.  In case someone uses the same compiler# for both compiling C and C++ we need to have the C++ compiler decide# the declaration of exit, since it's the most demanding environment.cat >conftest.$ac_ext <<_ACEOF#ifndef __cplusplus  choke me#endif_ACEOFrm -f conftest.$ac_objextif { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5  (eval $ac_compile) 2>&5  ac_status=$?  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 $ac_status); }; }; then  for ac_declaration in \   ''\   '#include <stdlib.h>' \   'extern "C" void std::exit (int) throw (); using std::exit;' \   'extern "C" void std::exit (int); using std::exit;' \   'extern "C" void exit (int) throw ();' \   'extern "C" void exit (int);' \   'void exit (int);'do  cat >conftest.$ac_ext <<_ACEOF#line $LINENO "configure"#include "confdefs.h"#include <stdlib.h>$ac_declaration#ifdef F77_DUMMY_MAIN#  ifdef __cplusplus     extern "C"#  endif   int F77_DUMMY_MAIN() { return 1; }#endifintmain (){exit (42);  ;  return 0;}_ACEOFrm -f conftest.$ac_objextif { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5  (eval $ac_compile) 2>&5  ac_status=$?  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 $ac_status); }; }; then  :else  echo "$as_me: failed program was:" >&5cat conftest.$ac_ext >&5continuefirm -f conftest.$ac_objext conftest.$ac_ext  cat >conftest.$ac_ext <<_ACEOF#line $LINENO "configure"#include "confdefs.h"$ac_declaration#ifdef F77_DUMMY_MAIN#  ifdef __cplusplus     extern "C"#  endif   int F77_DUMMY_MAIN() { return 1; }#endifintmain (){exit (42);  ;  return 0;}_ACEOFrm -f conftest.$ac_objextif { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5  (eval $ac_compile) 2>&5  ac_status=$?  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 $ac_status); }; }; then  breakelse  echo "$as_me: failed program was:" >&5cat conftest.$ac_ext >&5firm -f conftest.$ac_objext conftest.$ac_extdonerm -f conftest*if test -n "$ac_declaration"; then  echo '#ifdef __cplusplus' >>confdefs.h  echo $ac_declaration      >>confdefs.h  echo '#endif'             >>confdefs.hfielse  echo "$as_me: failed program was:" >&5cat conftest.$ac_ext >&5firm -f conftest.$ac_objext conftest.$ac_extac_ext=cac_cpp='$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_gnuac_ext=ccac_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_gnuif test -n "$ac_tool_prefix"; then  for ac_prog in $CCC g++ c++ gpp aCC CC cxx cc++ cl FCC KCC RCC xlC_r xlC  do    # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.set dummy $ac_tool_prefix$ac_prog; ac_word=$2echo "$as_me:$LINENO: checking for $ac_word" >&5echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6if test "${ac_cv_prog_CXX+set}" = set; then  echo $ECHO_N "(cached) $ECHO_C" >&6else  if test -n "$CXX"; then  ac_cv_prog_CXX="$CXX" # Let the user override the test.elseas_save_IFS=$IFS; IFS=$PATH_SEPARATORfor as_dir in $PATHdo  IFS=$as_save_IFS  test -z "$as_dir" && as_dir=.  for ac_exec_ext in '' $ac_executable_extensions; do  if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then    ac_cv_prog_CXX="$ac_tool_prefix$ac_prog"    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5    break 2  fidonedonefifiCXX=$ac_cv_prog_CXXif test -n "$CXX"; then  echo "$as_me:$LINENO: result: $CXX" >&5echo "${ECHO_T}$CXX" >&6else  echo "$as_me:$LINENO: result: no" >&5echo "${ECHO_T}no" >&6fi    test -n "$CXX" && break  donefiif test -z "$CXX"; then  ac_ct_CXX=$CXX  for ac_prog in $CCC g++ c++ gpp aCC CC cxx cc++ cl FCC KCC RCC xlC_r xlCdo  # Extract the first word of "$ac_prog", so it can be a program name with args.set dummy $ac_prog; ac_word=$2echo "$as_me:$LINENO: checking for $ac_word" >&5echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6if test "${ac_cv_prog_ac_ct_CXX+set}" = set; then  echo $ECHO_N "(cached) $ECHO_C" >&6else  if test -n "$ac_ct_CXX"; then  ac_cv_prog_ac_ct_CXX="$ac_ct_CXX" # Let the user override the test.elseas_save_IFS=$IFS; IFS=$PATH_SEPARATORfor as_dir in $PATHdo  IFS=$as_save_IFS  test -z "$as_dir" && as_dir=.  for ac_exec_ext in '' $ac_execut