AC_DEFUN([DOVECOT_WANT_SHADOW], [

have_shadow=no

if test $want_shadow != no; then

AC_CHECK_FUNC(getspnam, [

AC_CHECK_HEADER(shadow.h, [

AC_DEFINE(PASSDB_SHADOW,, [Build with shadow support])

have_shadow=yes

], [

if test $want_shadow = yes; then

AC_ERROR([Can't build with shadow support: shadow.h not found])

fi

])

], [

if test $want_shadow = yes; then

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

fi

])

fi

if test $have_shadow = no; then

not_passdb="$not_passdb shadow"

else

passdb="$passdb shadow"

fi

])