# if { echo '#if __GNUC__'
#      echo ' yes '
#      echo '#endif'; } | ${CC} -E - | grep yes > /dev/null } ; then
#    gnuc_compiler=yes
# else
#    gnuc_compiler=no
# fi

AC_DEFUN([AC___GNUC__],
[
  AC_MSG_CHECKING(for __GNUC__)
  AC_CACHE_VAL(ac_cv___gnuc__, [
  AC_TRY_COMPILE([#include <stdlib.h>],
  [#ifndef __GNUC__
      #error __GNUC__ is not defined
   #endif],
  ac_cv___gnuc__=yes, ac_cv___gnuc__=no)])
  if test "$ac_cv___gnuc__" = "yes"; then
    AC_DEFINE(___GNUC__, 1, [Define to 1 if your platform is ok for debug])
  fi
  AC_MSG_RESULT($ac_cv___gnuc__)
])