diff --git a/0024-fix-clang-cflags.patch b/0024-fix-clang-cflags.patch
new file mode 100644
index 0000000000000000000000000000000000000000..bfb2c0364f421f3fd6f5e31aad5642f084e3d8ea
--- /dev/null
+++ b/0024-fix-clang-cflags.patch
@@ -0,0 +1,92 @@
+diff -up dpdk-21.11/app/meson.build.orig2 dpdk-21.11/app/meson.build
+--- dpdk-21.11/app/meson.build.orig2	2023-04-21 18:37:25.851994629 +0800
++++ dpdk-21.11/app/meson.build	2023-04-21 21:25:13.631388908 +0800
+@@ -21,9 +21,12 @@ apps = [
+ ]
+ 
+ default_cflags = machine_args + ['-DALLOW_EXPERIMENTAL_API']
+-default_cflags += ['-fPIE', '-pie', '-fPIC', '-fstack-protector-strong', '-D_FORTIFY_SOURCE=2', '-O2', '-Wall', '-Werror']
+-default_cflags += ['-Wl,-z,relro,-z,now,-z,noexecstack', '-Wtrampolines']
+-default_ldflags = []
++if meson.get_compiler('c').get_id() == 'clang'
++  default_ldflags = ['-pie', '-Wl,-z,relro,-z,now,-z,noexecstack']
++else
++  default_cflags += ['-fPIE', '-fPIC', '-fstack-protector-strong', '-D_FORTIFY_SOURCE=2', '-O2', '-Wall', '-Werror']
++  default_cflags += ['-Wl,-z,relro,-z,now,-z,noexecstack', '-Wtrampolines']
++endif
+ if get_option('default_library') == 'static' and not is_windows
+     default_ldflags += ['-Wl,--export-dynamic']
+ endif
+diff -up dpdk-21.11/buildtools/chkincs/meson.build.orig2 dpdk-21.11/buildtools/chkincs/meson.build
+--- dpdk-21.11/buildtools/chkincs/meson.build.orig2	2023-04-21 18:38:05.196444066 +0800
++++ dpdk-21.11/buildtools/chkincs/meson.build	2023-04-21 21:25:14.095512696 +0800
+@@ -13,9 +13,12 @@ gen_c_files = generator(gen_c_file_for_h
+ 
+ cflags = machine_args
+ cflags += '-DALLOW_EXPERIMENTAL_API'
+-cflags += ['-fPIE', '-pie', '-fPIC', '-fstack-protector-strong', '-D_FORTIFY_SOURCE=2', '-O2', '-Wall', '-Werror']
+-cflags += ['-Wl,-z,relro,-z,now,-z,noexecstack', '-Wtrampolines']
+-
++if meson.get_compiler('c').get_id() == 'clang'
++  ldflags = ['-pie', '-Wl,-z,relro,-z,now,-z,noexecstack']
++else
++  cflags += ['-fPIE', '-fPIC', '-fstack-protector-strong', '-D_FORTIFY_SOURCE=2', '-O2', '-Wall', '-Werror']
++  cflags += ['-Wl,-z,relro,-z,now,-z,noexecstack', '-Wtrampolines']
++endif
+ sources = files('main.c')
+ sources += gen_c_files.process(dpdk_chkinc_headers)
+ 
+diff -up dpdk-21.11/drivers/meson.build.orig2 dpdk-21.11/drivers/meson.build
+--- dpdk-21.11/drivers/meson.build.orig2	2023-04-21 18:37:25.855994675 +0800
++++ dpdk-21.11/drivers/meson.build	2023-04-21 21:25:14.495619407 +0800
+@@ -45,8 +45,12 @@ enable_drivers += always_enable
+ default_cflags = machine_args
+ default_cflags += ['-DALLOW_EXPERIMENTAL_API']
+ default_cflags += ['-DALLOW_INTERNAL_API']
+-default_cflags += ['-fPIE', '-pie', '-fPIC', '-fstack-protector-strong', '-D_FORTIFY_SOURCE=2', '-O2', '-Wall', '-Werror']
+-default_cflags += ['-Wl,-z,relro,-z,now,-z,noexecstack', '-Wtrampolines']
++if meson.get_compiler('c').get_id() == 'clang'
++  default_ldflags = ['-pie', '-Wl,-z,relro,-z,now,-z,noexecstack']
++else
++  default_cflags += ['-fPIE', '-fPIC', '-fstack-protector-strong', '-D_FORTIFY_SOURCE=2', '-O2', '-Wall', '-Werror']
++  default_cflags += ['-Wl,-z,relro,-z,now,-z,noexecstack', '-Wtrampolines']
++endif
+ 
+ if cc.has_argument('-Wno-format-truncation')
+     default_cflags += '-Wno-format-truncation'
+diff -up dpdk-21.11/examples/meson.build.orig2 dpdk-21.11/examples/meson.build
+--- dpdk-21.11/examples/meson.build.orig2	2023-04-21 18:37:25.859994720 +0800
++++ dpdk-21.11/examples/meson.build	2023-04-21 21:25:14.911730388 +0800
+@@ -90,8 +90,12 @@ default_ldflags = dpdk_extra_ldflags
+ if get_option('default_library') == 'static' and not is_windows
+     default_ldflags += ['-Wl,--export-dynamic']
+ endif
+-default_cflags += ['-fPIE', '-pie', '-fPIC', '-fstack-protector-strong', '-D_FORTIFY_SOURCE=2', '-O2', '-Wall', '-Werror']
+-default_cflags += ['-Wl,-z,relro,-z,now,-z,noexecstack', '-Wtrampolines']
++if meson.get_compiler('c').get_id() == 'clang'
++  default_ldflags = ['-pie', '-Wl,-z,relro,-z,now,-z,noexecstack']
++else
++  default_cflags += ['-fPIE', '-fPIC', '-fstack-protector-strong', '-D_FORTIFY_SOURCE=2', '-O2', '-Wall', '-Werror']
++  default_cflags += ['-Wl,-z,relro,-z,now,-z,noexecstack', '-Wtrampolines']
++endif
+ 
+ foreach example: examples
+     name = example.split('/')[-1]
+diff -up dpdk-21.11/lib/meson.build.orig2 dpdk-21.11/lib/meson.build
+--- dpdk-21.11/lib/meson.build.orig2	2023-04-21 18:37:25.863994766 +0800
++++ dpdk-21.11/lib/meson.build	2023-04-21 21:25:15.543898993 +0800
+@@ -94,8 +94,12 @@ endforeach
+ default_cflags = machine_args
+ default_cflags += ['-DALLOW_EXPERIMENTAL_API']
+ default_cflags += ['-DALLOW_INTERNAL_API']
+-default_cflags += ['-fPIE', '-pie', '-fPIC', '-fstack-protector-strong', '-D_FORTIFY_SOURCE=2', '-O2', '-Wall', '-Werror']
+-default_cflags += ['-Wl,-z,relro,-z,now,-z,noexecstack', '-Wtrampolines']
++if meson.get_compiler('c').get_id() == 'clang'
++  default_ldflags = ['-pie', '-Wl,-z,relro,-z,now,-z,noexecstack']
++else
++  default_cflags += ['-fPIE', '-fPIC', '-fstack-protector-strong', '-D_FORTIFY_SOURCE=2', '-O2', '-Wall', '-Werror']
++  default_cflags += ['-Wl,-z,relro,-z,now,-z,noexecstack', '-Wtrampolines']
++endif
+ 
+ if cc.has_argument('-Wno-format-truncation')
+     default_cflags += '-Wno-format-truncation'
diff --git a/dpdk.spec b/dpdk.spec
index af64575de2f81882ade64562304d9ab597b8904a..ee1de23765096161a38b2ce85a8031663823bd36 100644
--- a/dpdk.spec
+++ b/dpdk.spec
@@ -1,6 +1,6 @@
 Name: dpdk
 Version: 21.11
-Release: 56
+Release: 57
 Packager: packaging@6wind.com
 URL: http://dpdk.org
 %global source_version  21.11
@@ -340,6 +340,7 @@ Patch9020:    0020-pdump-fix-pcap_dump-coredump-caused-by-incorrect-pkt_len.patc
 Patch9021:    0021-gro-fix-gro-with-tcp-push-flag.patch
 Patch9022:    0022-eal-loongarch-support-LoongArch-architecture.patch
 Patch9023:    0023-example-l3fwd-masking-wrong-warning-array-subscript-.patch
+Patch9024:    0024-fix-clang-cflags.patch
 
 Patch6315:    0315-net-cnxk-fix-build-with-GCC-12.patch
 Patch6316:    0316-net-cnxk-fix-build-with-optimization.patch
@@ -384,7 +385,7 @@ License: BSD and LGPLv2 and GPLv2
 
 ExclusiveArch: i686 x86_64 aarch64 loongarch64
 
-BuildRequires: meson ninja-build gcc diffutils python3-pyelftools
+BuildRequires: meson ninja-build gcc diffutils python3-pyelftools lld
 BuildRequires: kernel-devel numactl-devel
 BuildRequires: libpcap libpcap-devel
 BuildRequires: rdma-core-devel
@@ -426,6 +427,9 @@ This package contains the pdump tool for capture the dpdk network packets.
 %autosetup -n %{name}-%{version} -p1
 
 %build
+%if "%toolchain" == "clang"
+export LLVM=1
+%endif
 export CFLAGS="%{optflags}"
 meson build -Dplatform=generic -Dexamples=l3fwd-power,ethtool,l3fwd,kni,dma,ptpclient
 ninja -C build -v
@@ -522,6 +526,9 @@ strip -g $RPM_BUILD_ROOT/lib/modules/%{kern_devel_ver}/extra/dpdk/igb_uio.ko
 /usr/sbin/depmod
 
 %changelog
+* Wed Sep 13 2023 yoo <sunyuechi@iscas.ac.cn> - 21.11-57
+- fix clang build
+
 * Mon Aug 21 2023 huangdengdui <huangdengui@huawei.com> - 21.11-56
  replace patch-287 to solve the duplicate setting for MAC address.