+PKG_CHECK_MODULES(MODEST_MOZEMBED, libtinymailui-mozembed-1.0, have_mozembed=true, have_mozembed=false)
+AC_ARG_ENABLE(mozembed,
+AC_HELP_STRING([--enable-mozembed],
+ [Build with GtkMozEmbed (yes, no)]),
+[case "${enableval}" in
+ yes)
+ if test x$have_mozembed = xfalse; then
+ AC_MSG_ERROR([building of GtkMozEmbed support requested and gtkmozembed not found])
+ fi
+ use_mozembed=true
+ ;;
+ *)
+ use_mozembed=false
+ ;;
+esac],[use_mozembed=false])
+
+AM_CONDITIONAL(BUILD_MOZEMBED, test x$use_mozembed = xtrue)