diff --git a/opencryptoki-3.4-compile-warnings.patch b/opencryptoki-3.4-compile-warnings.patch
new file mode 100644
index 0000000..91df14f
--- /dev/null
+++ b/opencryptoki-3.4-compile-warnings.patch
@@ -0,0 +1,187 @@
+diff --git a/configure.in b/configure.in
+index 781eedf..6a1e85f 100644
+--- a/configure.in
++++ b/configure.in
+@@ -554,7 +554,7 @@ fi
+ 
+ AM_CONDITIONAL([ENABLE_PKCSEP11_MIGRATE], [test "x$enable_pkcsep11_migrate" = "xyes"])
+ 
+-CFLAGS="$CFLAGS -DPKCS64 -D_XOPEN_SOURCE=500 -Wall -Wno-pointer-sign"
++CFLAGS="$CFLAGS -DPKCS64 -D_XOPEN_SOURCE=600 -Wall -Wno-pointer-sign"
+ 
+ CFLAGS+=' -DCONFIG_PATH=\"$(localstatedir)/lib/opencryptoki\" -DSBIN_PATH=\"$(sbindir)\" -DLIB_PATH=\"$(libdir)\" -DLOCKDIR_PATH=\"$(lockdir)\" -DOCK_CONFDIR=\"$(sysconfdir)/opencryptoki\" -DOCK_LOGDIR=\"$(logdir)\"'
+ 
+diff --git a/usr/lib/pkcs11/common/new_host.c b/usr/lib/pkcs11/common/new_host.c
+index 1bc0403..03fcec2 100755
+--- a/usr/lib/pkcs11/common/new_host.c
++++ b/usr/lib/pkcs11/common/new_host.c
+@@ -358,8 +358,11 @@ void Fork_Initializer(void)
+ 	 * When implemented...  Although logout_all should clear this up.
+ 	 */
+ 
+-	bt_destroy(&priv_token_obj_btree, object_free);
+-	bt_destroy(&publ_token_obj_btree, object_free);
++	/* the funny (void (*)(void *)) cast here casts from 
++	 * void *func(OBJECT *) to void *func(void *) which is what the
++	 * compiler needs according to the bt_destroy() declaration. */
++	bt_destroy(&priv_token_obj_btree, (void (*)(void *)) object_free);
++	bt_destroy(&publ_token_obj_btree, (void (*)(void *)) object_free);
+ 
+ 	/* Need to do something to prevent the shared memory from
+ 	 * having the objects loaded again.... The most likely place
+diff --git a/usr/lib/pkcs11/common/obj_mgr.c b/usr/lib/pkcs11/common/obj_mgr.c
+index 80f5998..8d288fd 100755
+--- a/usr/lib/pkcs11/common/obj_mgr.c
++++ b/usr/lib/pkcs11/common/obj_mgr.c
+@@ -1080,7 +1080,7 @@ destroy_object_cb(void *node)
+ 	OBJECT *o;
+ 
+ 	if (map->is_session_obj)
+-		bt_node_free(&sess_obj_btree, map->obj_handle, object_free);
++		bt_node_free(&sess_obj_btree, map->obj_handle, (void (*)(void *)) object_free);
+ 	else {
+ 		if (map->is_private)
+ 			o = bt_get_node_value(&priv_token_obj_btree, map->obj_handle);
+@@ -1105,9 +1105,9 @@ destroy_object_cb(void *node)
+ 		XProcUnLock();
+ 
+ 		if (map->is_private)
+-			bt_node_free(&priv_token_obj_btree, map->obj_handle, object_free);
++			bt_node_free(&priv_token_obj_btree, map->obj_handle, (void (*)(void *)) object_free);
+ 		else
+-			bt_node_free(&publ_token_obj_btree, map->obj_handle, object_free);
++			bt_node_free(&publ_token_obj_btree, map->obj_handle, (void (*)(void *)) object_free);
+ 	}
+ done:
+ 	free(map);
+@@ -1187,9 +1187,9 @@ delete_token_obj_cb(void *node, unsigned long map_handle, void *p3)
+ 		XProcUnLock();
+ 
+ 		if (map->is_private)
+-			bt_node_free(&priv_token_obj_btree, map->obj_handle, object_free);
++			bt_node_free(&priv_token_obj_btree, map->obj_handle, (void (*)(void *)) object_free);
+ 		else
+-			bt_node_free(&publ_token_obj_btree, map->obj_handle, object_free);
++			bt_node_free(&publ_token_obj_btree, map->obj_handle, (void (*)(void *)) object_free);
+ 	}
+ done:
+ 	/* delete @node from this btree */
+@@ -1741,7 +1741,7 @@ purge_session_obj_cb(void *node, unsigned long obj_handle, void *p3)
+          if (obj->map_handle)
+ 	    bt_node_free(&object_map_btree, obj->map_handle, free);
+ 
+-	 bt_node_free(&sess_obj_btree, obj_handle, object_free);
++	 bt_node_free(&sess_obj_btree, obj_handle, (void (*)(void *)) object_free);
+       }
+    }
+ }
+@@ -1790,7 +1790,7 @@ purge_token_obj_cb(void *node, unsigned long obj_handle, void *p3)
+    if (obj->map_handle)
+       bt_node_free(&object_map_btree, obj->map_handle, free);
+ 
+-   bt_node_free(t, obj_handle, object_free);
++   bt_node_free(t, obj_handle, (void (*)(void *)) object_free);
+ }
+ 
+ // this routine cleans up the list of token objects.  in general, we don't
+@@ -2343,7 +2343,7 @@ delete_objs_from_btree_cb(void *node, unsigned long obj_handle, void *p3)
+    }
+ 
+    /* didn't find it in SHM, delete it from its btree */
+-   bt_node_free(ua->t, obj_handle, object_free);
++   bt_node_free(ua->t, obj_handle, (void (*)(void *)) object_free);
+ }
+ 
+ void
+diff --git a/usr/lib/pkcs11/ep11_stdll/new_host.c b/usr/lib/pkcs11/ep11_stdll/new_host.c
+index 0c21b54..2939ab2 100644
+--- a/usr/lib/pkcs11/ep11_stdll/new_host.c
++++ b/usr/lib/pkcs11/ep11_stdll/new_host.c
+@@ -347,8 +347,8 @@ void Fork_Initializer(void)
+ 	 * When implemented...  Although logout_all should clear this up.
+ 	 */
+ 
+-	bt_destroy(&priv_token_obj_btree, object_free);
+-	bt_destroy(&publ_token_obj_btree, object_free);
++	bt_destroy(&priv_token_obj_btree, (void (*)(void *)) object_free);
++	bt_destroy(&publ_token_obj_btree, (void (*)(void *)) object_free);
+ 
+ 	/* Need to do something to prevent the shared memory from
+ 	 * having the objects loaded again.... The most likely place
+diff --git a/usr/lib/pkcs11/icsf_stdll/icsf_config_lexer.l b/usr/lib/pkcs11/icsf_stdll/icsf_config_lexer.l
+index 9f9c185..45730b8 100644
+--- a/usr/lib/pkcs11/icsf_stdll/icsf_config_lexer.l
++++ b/usr/lib/pkcs11/icsf_stdll/icsf_config_lexer.l
+@@ -284,6 +284,9 @@
+ %{
+ #include <string.h>
+ #include "icsf_config_parse.h"
++
++extern void yyerror(const char *s);
++
+ %}
+ 
+ %option noyywrap
+diff --git a/usr/lib/pkcs11/icsf_stdll/icsf_config_parse.y b/usr/lib/pkcs11/icsf_stdll/icsf_config_parse.y
+index e65166a..7223e95 100644
+--- a/usr/lib/pkcs11/icsf_stdll/icsf_config_parse.y
++++ b/usr/lib/pkcs11/icsf_stdll/icsf_config_parse.y
+@@ -308,6 +308,8 @@ int out_rc;
+ /* Function used to report error. */
+ void yyerror(const char *str);
+ 
++extern int yylex();
++
+ /* */
+ struct ref {
+ 	char *key;
+diff --git a/usr/lib/pkcs11/icsf_stdll/new_host.c b/usr/lib/pkcs11/icsf_stdll/new_host.c
+index 3a36d36..12e32cc 100644
+--- a/usr/lib/pkcs11/icsf_stdll/new_host.c
++++ b/usr/lib/pkcs11/icsf_stdll/new_host.c
+@@ -344,8 +344,8 @@ void Fork_Initializer(void)
+ 	 * When implemented...  Although logout_all should clear this up.
+ 	 */
+ 
+-	bt_destroy(&priv_token_obj_btree, object_free);
+-	bt_destroy(&publ_token_obj_btree, object_free);
++	bt_destroy(&priv_token_obj_btree, (void (*)(void *)) object_free);
++	bt_destroy(&publ_token_obj_btree, (void (*)(void *)) object_free);
+ 
+ 	/* Need to do something to prevent the shared memory from
+ 	 * having the objects loaded again.... The most likely place
+diff --git a/usr/sbin/pkcsslotd/lexer.l b/usr/sbin/pkcsslotd/lexer.l
+index d2d502c..81399d1 100644
+--- a/usr/sbin/pkcsslotd/lexer.l
++++ b/usr/sbin/pkcsslotd/lexer.l
+@@ -291,6 +291,8 @@
+ 
+ int line_num = 1;
+ 
++extern void yyerror(const char *s);
++
+ %}
+ 
+ %option noyywrap
+diff --git a/usr/sbin/pkcsslotd/parser.y b/usr/sbin/pkcsslotd/parser.y
+index 6a7f12a..872c527 100644
+--- a/usr/sbin/pkcsslotd/parser.y
++++ b/usr/sbin/pkcsslotd/parser.y
+@@ -310,6 +310,7 @@ extern FILE *yyin;
+ extern int yyparse();
+ extern void yyerror(const char *s);
+ extern int line_num;
++extern int yylex();
+ 
+ typedef enum {
+ 	KW_STDLL,
+@@ -337,6 +338,9 @@ static const struct ock_key ock_keywords[] = {
+ 
+ void set_init(void);
+ void set_defaults(void);
++int lookup_keyword(const char *key);
++int do_str(char *slotinfo, int size, char* kw, char *val);
++int do_vers(CK_VERSION *slotinfo, char *kw, char *val);
+ %}
+ 
+ %union {