1 files changed, 10 insertions, 0 deletions
diff --git a/common/library.h b/common/library.h
index c3840f8..0a779b0 100644
--- a/common/library.h
+++ b/common/library.h
@@ -59,11 +59,21 @@ extern unsigned int p11_forkid;
 #define       p11_library_init_once()
 
 #else /* !OS_WIN32 */
+
+#ifdef __GNUC__
+
+/* No implementation, because done by the ELF constructor */
+#define       p11_library_init_once()
+
+#else
+
 extern        pthread_once_t               p11_library_once;
 
 #define       p11_library_init_once() \
 	pthread_once (&p11_library_once, p11_library_init_impl);
 
+#endif /* !__GNUC__ */
+
 void          p11_library_init_impl        (void);
 
 #endif /* !OS_WIN32 */