AC_DEFUN([DOVECOT_LIBCAP],[

if test $want_libcap != no; then

AC_CHECK_LIB(cap, cap_init, [

AC_DEFINE(HAVE_LIBCAP,, [libcap is installed for cap_init()])

LIBCAP="-lcap"

AC_SUBST(LIBCAP)

], [

if test "$want_libcap" = "yes"; then

AC_ERROR([Can't build with libcap support: libcap not found])

fi

])

fi

])