From branch OpenSSL_0_9_7-stable, 2002-11-13 15:30:

The loading functions should be static if we build a dynamic
engine.

demos/engines/cluster_labs/hw_cluster_labs.c

@@ -103,7 +103,7 @@ static int cluster_labs_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa);
 
 /* DSA stuff */
 #ifndef OPENSSL_NO_DSA
-DSA_SIG *cluster_labs_dsa_sign(const unsigned char *dgst, int dlen, DSA *dsa);
+static DSA_SIG *cluster_labs_dsa_sign(const unsigned char *dgst, int dlen, DSA *dsa);
 static int cluster_labs_dsa_verify(const unsigned char *dgst, int dgst_len,
 				DSA_SIG *sig, DSA *dsa);
 static int cluster_labs_dsa_mod_exp(DSA *dsa, BIGNUM *rr, BIGNUM *a1,
@@ -245,6 +245,9 @@ static ENGINE *engine_cluster_labs(void)
 	return ret;
 	}
 
+#ifdef ENGINE_DYNAMIC_SUPPORT
+static
+#endif
 void ENGINE_load_cluster_labs(void)
 	{
 
@@ -504,7 +507,7 @@ static int cluster_labs_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa)
 
 	}
 	
-DSA_SIG *cluster_labs_dsa_sign(const unsigned char *dgst, int dlen, DSA *dsa)
+static DSA_SIG *cluster_labs_dsa_sign(const unsigned char *dgst, int dlen, DSA *dsa)
 	{
 
 	if(cluster_labs_dso == NULL)

demos/engines/ibmca/hw_ibmca.c

@@ -288,6 +288,9 @@ static ENGINE *engine_ibmca(void)
 	return ret;
 	}
 
+#ifdef ENGINE_DYNAMIC_SUPPORT
+static
+#endif
 void ENGINE_load_ibmca(void)
 	{
 	/* Copied from eng_[openssl|dyn].c */

demos/engines/zencod/hw_zencod.c

@@ -366,7 +366,7 @@ static int bind_helper ( ENGINE *e )
 /* As this is only ever called once, there's no need for locking
  * (indeed - the lock will already be held by our caller!!!)
  */
-ENGINE *ENGINE_zencod ( void )
+static ENGINE *ENGINE_zencod ( void )
 {
 
 	ENGINE *eng = ENGINE_new () ;
@@ -383,6 +383,9 @@ ENGINE *ENGINE_zencod ( void )
 }
 
 
+#ifdef ENGINE_DYNAMIC_SUPPORT
+static
+#endif
 void ENGINE_load_zencod ( void )
 {
 	/* Copied from eng_[openssl|dyn].c */