diff --git a/media-tv/v4l-utils/v4l-utils-1.20.0.ebuild b/media-tv/v4l-utils/v4l-utils-1.20.0.ebuild
index a200a8d31f7cf..38e272fbe7672 100644
--- a/media-tv/v4l-utils/v4l-utils-1.20.0.ebuild
+++ b/media-tv/v4l-utils/v4l-utils-1.20.0.ebuild
@@ -46,7 +46,7 @@ PATCHES=(
 # Not really prebuilt but BPF objects make our QA checks go crazy.
 QA_PREBUILT="*/rc_keymaps/protocols/*.o"
 
-pkg_pretend() {
+check_llvm() {
 	if [[ ${MERGE_TYPE} != binary ]] && use bpf; then
 		local clang=${ac_cv_prog_CLANG:-${CLANG:-clang}}
 		${clang} -target bpf -print-supported-cpus &>/dev/null ||
@@ -54,6 +54,14 @@ pkg_pretend() {
 	fi
 }
 
+pkg_pretend() {
+	has_version -b sys-devel/clang && check_llvm
+}
+
+pkg_setup() {
+	check_llvm
+}
+
 src_prepare() {
 	default
 	eautoreconf