[PATCH] lib: remove usage of `sys/cdefs.h`

[Saleem Abdulrasool <abdulras@google.com>]

This header is a BSD header that is also available in glibc.  However,
this is a not a standard C header and was used for `__CONCAT`.  Because
this is not a standard header, not all libc implementations provide the
header.  Remove the usage of the header and always use the previously
fallback path.  This is needed in order to build with musl.

Signed-off-by: Saleem Abdulrasool <abdulras@google.com>
---
 lib/fixedsizehash.h | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/lib/fixedsizehash.h b/lib/fixedsizehash.h
index dac2a5f5..f333ad99 100644
--- a/lib/fixedsizehash.h
+++ b/lib/fixedsizehash.h
@@ -30,17 +30,12 @@
 #include <errno.h>
 #include <stdlib.h>
 #include <string.h>
-#include <sys/cdefs.h>
 
 #include <system.h>
 
-#ifdef __CONCAT
-#define CONCAT(t1,t2) __CONCAT (t1,t2)
-#else
 #define STROF(t2) t2
 #define CONCAT_EXPANDED(t1,t2) t1 ## t2
 #define CONCAT(t1,t2) CONCAT_EXPANDED(t1,t2)
-#endif
 
 /* Before including this file the following macros must be defined:
 
-- 
2.33.0.rc2.250.ged5fa647cd-goog