diff --git a/acinclude.m4 b/acinclude.m4
index 2379e4abb5..ffe6e8d75c 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -63,6 +63,7 @@ m4_include(config/ompi_check_icc.m4)
 m4_include(config/ompi_check_gm.m4)
 m4_include(config/ompi_check_mx.m4)
 m4_include(config/ompi_check_bproc.m4)
+m4_include(config/ompi_check_xcpu.m4)
 m4_include(config/ompi_check_mvapi.m4)
 m4_include(config/ompi_check_openib.m4)
 m4_include(config/ompi_check_udapl.m4)