diff --git libxcb-clean/configure.ac libxcb-workdir/configure.ac
index 4198a50..d583696 100644
--- libxcb-clean/configure.ac
+++ libxcb-workdir/configure.ac
@@ -54,6 +54,7 @@ PKG_CHECK_MODULES(XCBPROTO, xcb-proto >= 1.14)
 NEEDED="xau >= 0.99.2"
 case $host_os in
 linux*) ;;
+astral*) ;;
      *) NEEDED="$NEEDED pthread-stubs" ;;
 esac
 PKG_CHECK_MODULES(NEEDED, $NEEDED)