diff --git a/0001-support-clang-compile.patch b/0001-support-clang-compile.patch
new file mode 100644
index 0000000..c083990
--- /dev/null
+++ b/0001-support-clang-compile.patch
@@ -0,0 +1,223 @@
+From 566d703c6739cf3a854cfd6321d1b367aacf5ff4 Mon Sep 17 00:00:00 2001
+From: 15859157387 <977713017@qq.com>
+Date: Tue, 24 Oct 2023 14:50:37 +0800
+Subject: [PATCH] support clang compile
+
+---
+ test/wd_mempool_test.c |  4 +---
+ v1/wd_rsa.c            | 18 ++++++++++--------
+ wd_mempool.c           |  7 +------
+ wd_rsa.c               | 22 ++++++++++++----------
+ 4 files changed, 24 insertions(+), 27 deletions(-)
+
+diff --git a/test/wd_mempool_test.c b/test/wd_mempool_test.c
+index ad04636..7d18752 100644
+--- a/test/wd_mempool_test.c
++++ b/test/wd_mempool_test.c
+@@ -644,7 +644,7 @@ static void *sva_sec_cipher_async(void *arg)
+         int cnt = g_times;
+         handle_t h_sess;
+         int ret;
+-        int j, i;
++        int j;
+ 
+ 	setup->alg = WD_CIPHER_AES;
+         setup->mode = WD_CIPHER_CBC;
+@@ -658,7 +658,6 @@ static void *sva_sec_cipher_async(void *arg)
+                 SEC_TST_PRT("test sec cipher set key is failed!\n");
+                 goto out;;
+         }
+-	i = cnt;
+         /* run task */
+         do {
+ try_do_again:
+@@ -666,7 +665,6 @@ try_do_again:
+                 req->src = pdata->bd_pool->bds[j].src;
+                 req->dst = pdata->bd_pool->bds[j].dst;
+                 ret = wd_do_cipher_async(h_sess, req);
+-		i--;
+                 if (ret == -EBUSY) { // busy
+                         usleep(100);
+                         goto try_do_again;
+diff --git a/v1/wd_rsa.c b/v1/wd_rsa.c
+index 61de3cc..49249b4 100644
+--- a/v1/wd_rsa.c
++++ b/v1/wd_rsa.c
+@@ -105,8 +105,10 @@ struct wcrypto_rsa_prikey2 {
+ };
+ 
+ struct wcrypto_rsa_prikey {
+-	struct wcrypto_rsa_prikey1 pkey1;
+-	struct wcrypto_rsa_prikey2 pkey2;
++	union {
++		struct wcrypto_rsa_prikey1 pkey1;
++		struct wcrypto_rsa_prikey2 pkey2;
++	} pkey;
+ };
+ 
+ /* RSA CRT private key parameter types */
+@@ -444,7 +446,7 @@ static int create_ctx_key(struct wcrypto_rsa_ctx_setup *setup,
+ 			WD_ERR("alloc prikey2 fail!\n");
+ 			return -WD_ENOMEM;
+ 		}
+-		pkey2 = &ctx->prikey->pkey2;
++		pkey2 = &ctx->prikey->pkey.pkey2;
+ 		memset(ctx->prikey, 0, len);
+ 		init_pkey2(pkey2, ctx->key_size);
+ 	} else {
+@@ -459,7 +461,7 @@ static int create_ctx_key(struct wcrypto_rsa_ctx_setup *setup,
+ 			WD_ERR("alloc prikey1 fail!\n");
+ 			return -WD_ENOMEM;
+ 		}
+-		pkey1 = &ctx->prikey->pkey1;
++		pkey1 = &ctx->prikey->pkey.pkey1;
+ 		memset(ctx->prikey, 0, len);
+ 		init_pkey1(pkey1, ctx->key_size);
+ 	}
+@@ -713,7 +715,7 @@ int wcrypto_set_rsa_prikey_params(void *ctx, struct wd_dtb *d, struct wd_dtb *n)
+ 		WD_ERR("ctx err in set rsa private key1!\n");
+ 		return -WD_EINVAL;
+ 	}
+-	pkey1 = &c->prikey->pkey1;
++	pkey1 = &c->prikey->pkey.pkey1;
+ 	if (d) {
+ 		if (d->dsize > pkey1->key_size || !d->data) {
+ 			WD_ERR("d err in set rsa private key1!\n");
+@@ -747,7 +749,7 @@ void wcrypto_get_rsa_prikey_params(struct wcrypto_rsa_prikey *pvk, struct wd_dtb
+ 		return;
+ 	}
+ 
+-	pkey1 = &pvk->pkey1;
++	pkey1 = &pvk->pkey.pkey1;
+ 
+ 	if (d)
+ 		*d = &pkey1->d;
+@@ -819,7 +821,7 @@ int wcrypto_set_rsa_crt_prikey_params(void *ctx, struct wd_dtb *dq,
+ 		return ret;
+ 	}
+ 
+-	pkey2 = &c->prikey->pkey2;
++	pkey2 = &c->prikey->pkey.pkey2;
+ 	ret = rsa_prikey2_param_set(pkey2, dq, WD_CRT_PRIKEY_DQ);
+ 	if (ret) {
+ 		WD_ERR("dq err in set rsa private key2!\n");
+@@ -865,7 +867,7 @@ void wcrypto_get_rsa_crt_prikey_params(struct wcrypto_rsa_prikey *pvk,
+ 		return;
+ 	}
+ 
+-	pkey2 = &pvk->pkey2;
++	pkey2 = &pvk->pkey.pkey2;
+ 
+ 	if (dq)
+ 		*dq = &pkey2->dq;
+diff --git a/wd_mempool.c b/wd_mempool.c
+index cb8c80b..864ba13 100644
+--- a/wd_mempool.c
++++ b/wd_mempool.c
+@@ -71,7 +71,7 @@ static inline int wd_atomic_test_add(struct wd_ref *ref, int a, int u)
+ 		c = __atomic_load_n(&ref->ref, __ATOMIC_RELAXED);
+ 		if (c == u)
+ 			break;
+-	} while (! __atomic_compare_exchange_n(&ref->ref, &c, c + a, true,
++	} while (! __atomic_compare_exchange_n(&ref->ref, (__u32 *)&c, c + a, true,
+ 					       __ATOMIC_RELAXED, __ATOMIC_RELAXED));
+ 
+ 	return c;
+@@ -299,11 +299,6 @@ static int test_bit(struct bitmap *bm, unsigned int nr)
+ 	return !(*p & mask);
+ }
+ 
+-inline static size_t wd_get_page_size(void)
+-{
+-	return sysconf(_SC_PAGESIZE);
+-}
+-
+ void *wd_block_alloc(handle_t blkpool)
+ {
+ 	struct blkpool *bp = (struct blkpool*)blkpool;
+diff --git a/wd_rsa.c b/wd_rsa.c
+index 4bd1d30..8301d57 100644
+--- a/wd_rsa.c
++++ b/wd_rsa.c
+@@ -48,8 +48,10 @@ struct wd_rsa_prikey2 {
+ };
+ 
+ struct wd_rsa_prikey {
+-	struct wd_rsa_prikey1 pkey1;
+-	struct wd_rsa_prikey2 pkey2;
++	union {
++		struct wd_rsa_prikey1 pkey1;
++		struct wd_rsa_prikey2 pkey2;
++	} pkey;
+ };
+ 
+ /* RSA private key parameter types */
+@@ -844,7 +846,7 @@ static int create_sess_key(struct wd_rsa_sess_setup *setup,
+ 			WD_ERR("failed to alloc sess prikey2!\n");
+ 			return -WD_ENOMEM;
+ 		}
+-		pkey2 = &sess->prikey->pkey2;
++		pkey2 = &sess->prikey->pkey.pkey2;
+ 		memset(sess->prikey, 0, len);
+ 		init_pkey2(pkey2, sess->key_size);
+ 	} else {
+@@ -855,7 +857,7 @@ static int create_sess_key(struct wd_rsa_sess_setup *setup,
+ 			WD_ERR("failed to alloc sess prikey1!\n");
+ 			return -WD_ENOMEM;
+ 		}
+-		pkey1 = &sess->prikey->pkey1;
++		pkey1 = &sess->prikey->pkey.pkey1;
+ 		memset(sess->prikey, 0, len);
+ 		init_pkey1(pkey1, sess->key_size);
+ 	}
+@@ -886,9 +888,9 @@ static void del_sess_key(struct wd_rsa_sess *sess)
+ 	}
+ 
+ 	if (sess->setup.is_crt)
+-		wd_memset_zero(prk->pkey2.data, CRT_PARAMS_SZ(sess->key_size));
++		wd_memset_zero(prk->pkey.pkey2.data, CRT_PARAMS_SZ(sess->key_size));
+ 	else
+-		wd_memset_zero(prk->pkey1.data, GEN_PARAMS_SZ(sess->key_size));
++		wd_memset_zero(prk->pkey.pkey1.data, GEN_PARAMS_SZ(sess->key_size));
+ 	free(sess->prikey);
+ 	free(sess->pubkey);
+ }
+@@ -1041,7 +1043,7 @@ int wd_rsa_set_prikey_params(handle_t sess, struct wd_dtb *d, struct wd_dtb *n)
+ 		WD_ERR("invalid: sess err in set rsa private key1!\n");
+ 		return -WD_EINVAL;
+ 	}
+-	pkey1 = &c->prikey->pkey1;
++	pkey1 = &c->prikey->pkey.pkey1;
+ 	if (d) {
+ 		if (!d->dsize || !d->data || d->dsize > pkey1->key_size) {
+ 			WD_ERR("invalid: d err in set rsa private key1!\n");
+@@ -1076,7 +1078,7 @@ void wd_rsa_get_prikey_params(struct wd_rsa_prikey *pvk, struct wd_dtb **d,
+ 		return;
+ 	}
+ 
+-	pkey1 = &pvk->pkey1;
++	pkey1 = &pvk->pkey.pkey1;
+ 
+ 	if (d)
+ 		*d = &pkey1->d;
+@@ -1148,7 +1150,7 @@ int wd_rsa_set_crt_prikey_params(handle_t sess, struct wd_dtb *dq,
+ 		return ret;
+ 	}
+ 
+-	pkey2 = &c->prikey->pkey2;
++	pkey2 = &c->prikey->pkey.pkey2;
+ 	ret = rsa_prikey2_param_set(pkey2, dq, WD_CRT_PRIKEY_DQ);
+ 	if (ret) {
+ 		WD_ERR("failed to set dq for rsa private key2!\n");
+@@ -1194,7 +1196,7 @@ void wd_rsa_get_crt_prikey_params(struct wd_rsa_prikey *pvk,
+ 		return;
+ 	}
+ 
+-	pkey2 = &pvk->pkey2;
++	pkey2 = &pvk->pkey.pkey2;
+ 
+ 	if (dq)
+ 		*dq = &pkey2->dq;
+-- 
+2.27.0
+
diff --git a/warpdrive.spec b/warpdrive.spec
index 4a46254..f19ad40 100644
--- a/warpdrive.spec
+++ b/warpdrive.spec
@@ -1,9 +1,12 @@
 Name:          libwd
 Summary:       User Space Accelerator Development Kit
 Version:       2.5.0
-Release:       3
+Release:       4
 License:       Apache-2.0
 Source:        %{name}-%{version}.tar.gz
+
+Patch01:      0001-support-clang-compile.patch
+
 Vendor:        Huawei Corporation
 ExclusiveOS:   linux
 URL:           https://support.huawei.com
@@ -187,6 +190,9 @@ fi
 /sbin/ldconfig
 
 %changelog
+* Mon Sep 18 2023 renyi <977713017@qq.com> 2.5.0-4
+- support clang compile
+
 * Mon Sep 4 2023 JiangShui Yang <yangjiangshui@h-partners.com> 2.5.0-3
 - libwd: Deleting rpath information from the dynamic library