diff --git a/cfg.mk b/cfg.mk
index d46593344..02bfffb36 100644
--- a/cfg.mk
+++ b/cfg.mk
@@ -28,6 +28,9 @@ export VERBOSE = yes
 
 old_NEWS_hash = beab130e9d41bf8014a0594cfe8b28d4
 
+# Add an exemption for sc_makefile_at_at_check.
+_makefile_at_at_check_exceptions = ' && !/^cu_install_program =/'
+
 # Ensure that the list of O_ symbols used to compute O_FULLBLOCK is complete.
 dd = $(srcdir)/src/dd.c
 sc_dd_O_FLAGS:
diff --git a/gnulib b/gnulib
index cb361c968..c535f4489 160000
--- a/gnulib
+++ b/gnulib
@@ -1 +1 @@
-Subproject commit cb361c968d771304ab68ed5cb8016a6b0c1b8cf2
+Subproject commit c535f4489b41f28afd115ae331d69595ea41b6a1