AC_DEFUN([RXV_SPIN_BASE64],[
AC_CHECK_HEADERS([apr_base64.h],,[AC_MSG_ERROR([apr_base64.h header missing])])
])

AC_DEFUN([RXV_SPIN_LOG],[
AC_CHECK_HEADERS([http_log.h],,[AC_MSG_ERROR([http_log.h header missing])],[[#include <httpd.h>]])
])

AC_DEFUN([RXV_SPIN_ESMTP],[
AC_CHECK_LIB(esmtp,smtp_add_message,,[AC_MSG_ERROR([libesmtp library missing])])
AC_CHECK_HEADERS([libesmtp.h],,[AC_MSG_ERROR([libesmtp.h header missing])])
])

AC_DEFUN([RXV_SPIN_MAGIC],[
AC_CHECK_LIB(magic,magic_open,,[AC_MSG_ERROR([libmagic library missing])])
AC_CHECK_HEADERS([magic.h],,[AC_MSG_ERROR([magic.h header missing])])
])