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then : cat >>confdefs.h <<_ACEOF #define HAVE_UINT64_T 1 _ACEOF fi for ac_func in getopt_long do : ac_fn_cxx_check_func "$LINENO" "getopt_long" "ac_cv_func_getopt_long" if test "x$ac_cv_func_getopt_long" = xyes; then : cat >>confdefs.h <<_ACEOF #define HAVE_GETOPT_LONG 1 _ACEOF need_getopt_long=no else need_getopt_long=yes fi done if test "$need_getopt_long" = "yes"; then NEED_GETOPT_LONG_TRUE= NEED_GETOPT_LONG_FALSE='#' else NEED_GETOPT_LONG_TRUE='#' NEED_GETOPT_LONG_FALSE= fi for ac_func in regcomp do : ac_fn_cxx_check_func "$LINENO" "regcomp" "ac_cv_func_regcomp" if test "x$ac_cv_func_regcomp" = xyes; then : cat >>confdefs.h <<_ACEOF #define HAVE_REGCOMP 1 _ACEOF need_regex=no else need_regex=yes fi done if test "$need_regex" = "yes"; then NEED_REGEX_TRUE= NEED_REGEX_FALSE='#' else NEED_REGEX_TRUE='#' NEED_REGEX_FALSE= fi for ac_func in sigset do : ac_fn_cxx_check_func "$LINENO" "sigset" "ac_cv_func_sigset" if test "x$ac_cv_func_sigset" = xyes; then : cat >>confdefs.h <<_ACEOF #define HAVE_SIGSET 1 _ACEOF fi done for ac_func in strtoull do : ac_fn_cxx_check_func "$LINENO" "strtoull" "ac_cv_func_strtoull" if test "x$ac_cv_func_strtoull" = xyes; 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