1 files changed, 8 insertions, 0 deletions

diff --git a/meta/recipes-core/meta/external-csl-toolchain.bb b/meta/recipes-core/meta/external-csl-toolchain.bb
index d15578bf78..07c3e3065a 100644
--- a/meta/recipes-core/meta/external-csl-toolchain.bb
+++ b/meta/recipes-core/meta/external-csl-toolchain.bb
@@ -150,3 +150,11 @@ FILES_linux-libc-headers = "${includedir}/asm* \
 "
 FILES_gdbserver = "${bindir}/gdbserver ${libdir}/bin/sysroot-gdbserver"
 FILES_gdbserver-dbg = "${bindir}/.debug/gdbserver"
+
+CSL_VER_MAIN ??= ""
+
+python () {
+    if not d.getVar("CSL_VER_MAIN"):
+        raise bb.parse.SkipPackage("External CSL toolchain not configured (CSL_VER_MAIN not set).")
+}
+