diff --git a/meta/classes-recipe/kernel-yocto.bbclass b/meta/classes-recipe/kernel-yocto.bbclass
index e7fdeb5d4b..46ccc69e75 100644
--- a/meta/classes-recipe/kernel-yocto.bbclass
+++ b/meta/classes-recipe/kernel-yocto.bbclass
@@ -578,6 +578,13 @@ python do_config_analysis() {
                 bb.warn( analysis )
 }
 
+# The kconfiglib audit evaluates Kconfig's compiler checks outside kbuild make,
+# where scripts/Makefile.clang would normally set CLANG_FLAGS, so provide it
+# via the environment.
+CLANG_FLAGS ?= ""
+CLANG_FLAGS:toolchain-clang = "--target=${HOST_SYS} -fintegrated-as"
+export CLANG_FLAGS
+
 python do_kernel_configcheck() {
     import re, string, sys, subprocess