AC_DEFUN([OPENAFS_REGEX_CHECKS],[
AC_MSG_CHECKING([for POSIX regex library])
if test "$ac_cv_header_regex_h" = "yes" && \
        test "$ac_cv_func_regcomp" = "yes" && \
        test "$ac_cv_func_regexec" = "yes" && \
        test "$ac_cv_func_regerror" = "yes"; then
    AC_DEFINE(HAVE_POSIX_REGEX, 1, [define if you have POSIX regex library])
    AC_MSG_RESULT(yes)
else
    AC_MSG_RESULT(no)
fi
])