rust-target-config: Show clear error when target isn't defined

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

diff --git a/meta/classes/rust-target-config.bbclass b/meta/classes/rust-target-config.bbclass
index 7fe039601af172a3075ce34b13ebf11ad1f104aa..ab177cf59f43d477fb5098f60d22f0b6e201dfaf 100644 (file)
--- a/meta/classes/rust-target-config.bbclass
+++ b/meta/classes/rust-target-config.bbclass
@@ -326,6 +326,8 @@ def rust_gen_target(d, thing, wd, arch):
     tspec = {}
     tspec['llvm-target'] = llvm_target
     tspec['data-layout'] = d.getVarFlag('DATA_LAYOUT', arch_abi)
+    if tspec['data-layout'] is None:
+        bb.fatal("No rust target defined for %s" % arch_abi)
     tspec['max-atomic-width'] = int(d.getVarFlag('MAX_ATOMIC_WIDTH', arch_abi))
     tspec['target-pointer-width'] = d.getVarFlag('TARGET_POINTER_WIDTH', arch_abi)
     tspec['target-c-int-width'] = d.getVarFlag('TARGET_C_INT_WIDTH', arch_abi)