AC_DEFUN([ACX_LIBWRAP], [ LIBWRAP_LIBS= saved_LIBS="$LIBS" LIBS="$LIBS -lwrap" AC_MSG_CHECKING([for tcpwrap library and headers]) AC_LINK_IFELSE( AC_LANG_PROGRAM( [#include <tcpd.h> #include <syslog.h> int allow_severity = LOG_INFO; int deny_severity = LOG_WARNING;], [struct request_info *req; return hosts_access (req);]), [AC_DEFINE(HAVE_LIBWRAP, [], [Have tcpwrap?]) LIBWRAP_LIBS="-lwrap" AC_MSG_RESULT(yes)], [AC_MSG_RESULT(no)]) LIBS="$saved_LIBS" ])