There is no #elsif

src/xpdev/threadwrap.h

@@ -102,13 +102,15 @@ pthread_mutex_t pthread_mutex_initializer_np(BOOL recursive);
 #if defined (__FreeBSD__) || defined (__OpenBSD__)
  #include <pthread_np.h>
  #define	SetThreadName(c)	pthread_set_name_np(pthread_self(),c)
-#elsif defined(__GLIBC__)
- #include <features.h>
- #if (__GLIBC__ > 2) || ((__GLIBC__ == 2) && (__GLIBC_MINOR__ >= 12))
-  #define	SetThreadName(c)	pthread_setname_np(pthread_self(),c)
- #endif
 #else
- #define SetThreadName(c)
+ #if defined(__GLIBC__)
+  #include <features.h>
+  #if (__GLIBC__ > 2) || ((__GLIBC__ == 2) && (__GLIBC_MINOR__ >= 12))
+   #define	SetThreadName(c)	pthread_setname_np(pthread_self(),c)
+  #endif
+ #else
+  #define SetThreadName(c)
+ #endif
 #endif
 
 #else