# \[PATCH 89/98\] include/uapi/linux/patchkey.h: change \#error to \#warning if file included directly

- From: Mikko Rapeli \<hidden\>
- Date: 2015-05-30 16:30:23 
- List: linux-api
- Page: https://ratatoskr.run/linux-api/2015/05/4505612
- Thread: https://ratatoskr.run/linux-api/2015/05/4505612/t.md

```text
Would be nice to be able to compile all userspace header files also alone.

Signed-off-by: Mikko Rapeli <redacted>
---
 include/uapi/linux/patchkey.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/uapi/linux/patchkey.h b/include/uapi/linux/patchkey.h
index 1bda0e5..cee195d 100644
--- a/include/uapi/linux/patchkey.h
+++ b/include/uapi/linux/patchkey.h
@@ -11,7 +11,7 @@
  */
 
 #ifndef _LINUX_PATCHKEY_H_INDIRECT
-#error "patchkey.h included directly"
+#warning "patchkey.h included directly"
 #endif
 
 #ifndef _UAPI_LINUX_PATCHKEY_H
-- 
2.1.4
```