set dummy $ac_tool_prefix$ac_prog; ac_word=$2echo "$as_me:1274: checking for $ac_word" >&5echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6if test "${ac_cv_prog_CC+set}" = set; then  echo $ECHO_N "(cached) $ECHO_C" >&6else  if test -n "$CC"; then  ac_cv_prog_CC="$CC" # Let the user override the test.else  ac_save_IFS=$IFS; IFS=$ac_path_separatorac_dummy="$PATH"for ac_dir in $ac_dummy; do  IFS=$ac_save_IFS  test -z "$ac_dir" && ac_dir=.  $as_executable_p "$ac_dir/$ac_word" || continueac_cv_prog_CC="$ac_tool_prefix$ac_prog"echo "$as_me:1289: found $ac_dir/$ac_word" >&5breakdonefifiCC=$ac_cv_prog_CCif test -n "$CC"; then  echo "$as_me:1297: result: $CC" >&5echo "${ECHO_T}$CC" >&6else  echo "$as_me:1300: 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:1313: 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="$ac_ct_CC" # Let the user override the test.else  ac_save_IFS=$IFS; IFS=$ac_path_separatorac_dummy="$PATH"for ac_dir in $ac_dummy; do  IFS=$ac_save_IFS  test -z "$ac_dir" && ac_dir=.  $as_executable_p "$ac_dir/$ac_word" || continueac_cv_prog_ac_ct_CC="$ac_prog"echo "$as_me:1328: found $ac_dir/$ac_word" >&5breakdonefifiac_ct_CC=$ac_cv_prog_ac_ct_CCif test -n "$ac_ct_CC"; then  echo "$as_me:1336: result: $ac_ct_CC" >&5echo "${ECHO_T}$ac_ct_CC" >&6else  echo "$as_me:1339: result: no" >&5echo "${ECHO_T}no" >&6fi  test -n "$ac_ct_CC" && breakdone  CC=$ac_ct_CCfifitest -z "$CC" && { { echo "$as_me:1351: error: no acceptable cc found in \$PATH" >&5echo "$as_me: error: no acceptable cc found in \$PATH" >&2;}   { (exit 1); exit 1; }; }cat >conftest.$ac_ext <<_ACEOF#line 1356 "configure"#include "confdefs.h"intmain (){  ;  return 0;}_ACEOFac_clean_files_save=$ac_clean_filesac_clean_files="$ac_clean_files a.out a.exe"# Try to create an executable without -o first, disregard a.out.# It will help us diagnose broken compiler, and finding out an intuition# of exeext.echo "$as_me:1372: checking for C compiler default output" >&5echo $ECHO_N "checking for C compiler default output... $ECHO_C" >&6ac_link_default=`echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'`if { (eval echo "$as_me:1375: \"$ac_link_default\"") >&5  (eval $ac_link_default) 2>&5  ac_status=$?  echo "$as_me:1378: \$? = $ac_status" >&5  (exit $ac_status); }; then  for ac_file in `ls a.exe conftest.exe a.* conftest conftest.* 2>/dev/null`; do  case $ac_file in    *.$ac_ext | *.o | *.obj | *.xcoff | *.tds | *.d | *.pdb ) ;;    a.out ) # We found the default executable, but exeext='' is most            # certainly right.            break;;    *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`          export ac_cv_exeext          break;;    * ) break;;  esacdoneelse  echo "$as_me: failed program was:" >&5cat conftest.$ac_ext >&5{ { echo "$as_me:1395: error: C compiler cannot create executables" >&5echo "$as_me: error: C compiler cannot create executables" >&2;}   { (exit 77); exit 77; }; }fiac_exeext=$ac_cv_exeextecho "$as_me:1401: result: $ac_file" >&5echo "${ECHO_T}$ac_file" >&6# Check the compiler produces executables we can run.  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Since we use `exit',# in C++ we need to declare it.  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