userspace/boottest.c: #undef XZ_DEC_ANY_CHECK.
It's not defined in Linux and decompress_unxz.c doesn't check for it.
diff --git a/userspace/boottest.c b/userspace/boottest.c
index 5b4ed5d..068f81c 100644
--- a/userspace/boottest.c
+++ b/userspace/boottest.c
@@ -18,6 +18,12 @@
fprintf(stderr, "%s\n", msg);
}
+/*
+ * Disable XZ_UNSUPPORTED_CHECK as it's not used in Linux and thus
+ * decompress_unxz.c doesn't handle it either (it thinks it's a bug).
+ */
+#undef XZ_DEC_ANY_CHECK
+
/* Disable the CRC64 support even if it was enabled in the Makefile. */
#undef XZ_USE_CRC64
