rust_microblaze.bbclass: Prevent rust from being available on microblaze

rust does not support microblaze.  So we want to automatically skip any
recipes that inherit rust support.  Otherwise the failure is delayed until
do_configure time, instead of parse time.

Signed-off-by: Mark Hatle <mark.hatle@amd.com>

2 files changed, 7 insertions, 0 deletions

diff --git a/meta-microblaze/classes/rust_microblaze.bbclass b/meta-microblaze/classes/rust_microblaze.bbclass
new file mode 100644
index 00000000..d129d2b0
--- /dev/null
+++ b/meta-microblaze/classes/rust_microblaze.bbclass
@@ -0,0 +1,5 @@
+python __anonymous() {
+    if bb.data.inherits_class('rust-target-config', d):
+        if d.getVar('TARGET_ARCH') in ['microblaze', 'microblazeel', 'microblazeeb']:
+            raise bb.parse.SkipRecipe("Rust does not support microblaze.")
+}
diff --git a/meta-microblaze/conf/layer.conf b/meta-microblaze/conf/layer.conf
index 2536fd69..bccf61d0 100644
--- a/meta-microblaze/conf/layer.conf
+++ b/meta-microblaze/conf/layer.conf
@@ -17,3 +17,5 @@ LAYERSERIES_COMPAT_xilinx-microblaze = "langdale"
 SECURITY_STACK_PROTECTOR:microblaze = ""
 
 OLDEST_KERNEL:microblaze = "3.15"
+
+INHERIT += "rust_microblaze"