fidonedonefifiCC=$ac_cv_prog_CCif test -n "$CC"; then  echo "$as_me:$LINENO: result: $CC" >&5echo "${ECHO_T}$CC" >&6else  echo "$as_me:$LINENO: result: no" >&5echo "${ECHO_T}no" >&6fi    test -n "$CC" && break  donefiif test -z "$CC"; then  ac_ct_CC=$CC  for ac_prog in cldo  # Extract the first word of "$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_CC+set}" = set; then  echo $ECHO_N "(cached) $ECHO_C" >&6else  if test -n "$ac_ct_CC"; then  ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.elseas_save_IFS=$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_ac_ct_CC="$ac_prog"    echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5    break 2  fidonedonefifiac_ct_CC=$ac_cv_prog_ac_ct_CCif test -n "$ac_ct_CC"; then  echo "$as_me:$LINENO: result: $ac_ct_CC" >&5echo "${ECHO_T}$ac_ct_CC" >&6else  echo "$as_me:$LINENO: result: no" >&5echo "${ECHO_T}no" >&6fi  test -n "$ac_ct_CC" && breakdone  CC=$ac_ct_CCfifitest -z "$CC" && { { echo "$as_me:$LINENO: error: no acceptable C compiler found in \$PATHSee \`config.log' for more details." >&5echo "$as_me: error: no acceptable C compiler found in \$PATHSee \`config.log' for more details." >&2;}   { (exit 1); exit 1; }; }# Provide some information about the compiler.echo "$as_me:$LINENO:" \     "checking for C compiler version" >&5ac_compiler=`set X $ac_compile; echo $2`{ (eval echo "$as_me:$LINENO: \"$ac_compiler --version </dev/null >&5\"") >&5  (eval $ac_compiler --version </dev/null >&5) 2>&5  ac_status=$?  echo "$as_me:$LINENO: \$? = $ac_status" >&5  (exit $ac_status); }{ (eval echo "$as_me:$LINENO: \"$ac_compiler -v </dev/null >&5\"") >&5  (eval $ac_compiler -v </dev/null >&5) 2>&5  ac_status=$?  echo "$as_me:$LINENO: \$? = $ac_status" >&5  (exit $ac_status); }{ (eval echo "$as_me:$LINENO: \"$ac_compiler -V </dev/null >&5\"") >&5  (eval $ac_compiler -V </dev/null >&5) 2>&5  ac_status=$?  echo "$as_me:$LINENO: \$? = $ac_status" >&5  (exit $ac_status); }cat >conftest.$ac_ext <<_ACEOF/* confdefs.h.  */_ACEOFcat confdefs.h >>conftest.$ac_extcat >>conftest.$ac_ext <<_ACEOF/* end confdefs.h.  */intmain (){  ;  return 0;}_ACEOFac_clean_files_save=$ac_clean_filesac_clean_files="$ac_clean_files a.out a.exe b.out"# Try to create an executable without -o first, disregard a.out.# It will help us diagnose broken compilers, and finding out an intuition# of exeext.echo "$as_me:$LINENO: checking for C compiler default output file name" >&5echo $ECHO_N "checking for C compiler default output file name... $ECHO_C" >&6ac_link_default=`echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'`if { (eval echo "$as_me:$LINENO: \"$ac_link_default\"") >&5  (eval $ac_link_default) 2>&5  ac_status=$?  echo "$as_me:$LINENO: \$? = $ac_status" >&5  (exit $ac_status); }; then  # Find the output, starting from the most likely.  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Does anybody	# maintain Libtool? --akim.	export ac_cv_exeext	break;;    * )	break;;  esacdoneelse  echo "$as_me: failed program was:" >&5sed 's/^/| /' conftest.$ac_ext >&5{ { echo "$as_me:$LINENO: error: C compiler cannot create executablesSee \`config.log' for more details." >&5echo "$as_me: error: C compiler cannot create executablesSee \`config.log' for more details." >&2;}   { (exit 77); exit 77; }; }fiac_exeext=$ac_cv_exeextecho "$as_me:$LINENO: result: $ac_file" >&5echo "${ECHO_T}$ac_file" >&6# Check the compiler produces executables we can run.  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 echo "$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 | *.xSYM | *.bb | *.bbg ) ;;    *) ac_cv_objext=`expr "$ac_file" : '.*\.\(.*\)'`       break;;  esacdoneelse  echo "$as_me: failed program was:" >&5sed 's/^/| /' conftest.$ac_ext >&5{ { echo "$as_me:$LINENO: error: cannot compute suffix of object files: cannot compileSee \`config.log' for more details." >&5echo "$as_me: error: cannot compute suffix of object files: cannot compileSee \`config.log' for more details." >&2;}   { (exit 1); exit 1; }; }firm -f conftest.$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/* confdefs.h.  */_ACEOFcat confdefs.h >>conftest.$ac_extcat >>conftest.$ac_ext <<_ACEOF/* end confdefs.h.  */intmain (){#ifndef __GNUC__       choke me#endif  ;  return 0;}_ACEOFrm -f conftest.$ac_objextif { (eval echo "$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_c_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 $ac_status); }; }; then  ac_compiler_gnu=yeselse  echo "$as_me: failed program was:" >&5sed 's/^/| /' conftest.$ac_ext >&5ac_compiler_gnu=nofirm -f conftest.err conftest.$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/* confdefs.h.  */_ACEOFcat confdefs.h >>conftest.$ac_extcat >>conftest.$ac_ext <<_ACEOF/* end confdefs.h.  */intmain (){  ;  return 0;}_ACEOFrm -f conftest.$ac_objextif { (eval echo "$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_c_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 $ac_status); }; }; then  ac_cv_prog_cc_g=yeselse  echo "$as_me: failed program was:" >&5sed 's/^/| /' conftest.$ac_ext >&5ac_cv_prog_cc_g=nofirm -f conftest.err conftest.$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"