1AC_DEFUN([DOVECOT_ARC4RANDOM], [ 2 AC_ARG_WITH([libbsd], AS_HELP_STRING( 3 [--with-libbsd], 4 [Use libbsd (default is no)] 5 ), [want_libbsd=$withval], [want_libbsd=no]) 6 AC_CHECK_FUNC([arc4random_buf], AC_DEFINE([HAVE_ARC4RANDOM], [1], [Define this if you have arc4random_buf()]), [ 7 if test "$want_libbsd" = yes; then 8 AC_CHECK_LIB([bsd], [arc4random_buf], [ 9 LIBS="$LIBS -lbsd" 10 AC_DEFINE([HAVE_ARC4RANDOM], [1], [Define this if you have arc4random_buf()]) 11 AC_DEFINE([HAVE_LIBBSD], [1], [Define this if you have libbsd]) 12 ]) 13 fi 14 ]) 15]) 16