diff --git a/0001-support-clang-build.patch b/0001-support-clang-build.patch
new file mode 100644
index 0000000000000000000000000000000000000000..9bfb0da5253d1c6c27e4d39e1613741908005293
--- /dev/null
+++ b/0001-support-clang-build.patch
@@ -0,0 +1,29 @@
+From a80de493808a37051bc2b4f95ae5a90b6ae277bc Mon Sep 17 00:00:00 2001
+From: luofeng <luofeng13@huawei.com>
+Date: Mon, 11 Mar 2024 21:35:43 +0800
+Subject: [PATCH] support clang build
+
+---
+ Makefile | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/Makefile b/Makefile
+index 2b1abe5..4618dd8 100644
+--- a/Makefile
++++ b/Makefile
+@@ -30,10 +30,10 @@ ALL = sgpio
+ all: $(ALL)
+ 
+ sgpio.o: sgpio.c
+-	gcc $(CFLAGS) -g -Wall -c sgpio.c
++	$(CC) $(CFLAGS) -g -Wall -c sgpio.c
+ 
+ sgpio: sgpio.o
+-	gcc $(LDFLAGS) -g sgpio.o -o sgpio
++	$(CC) $(LDFLAGS) -g sgpio.o -o sgpio
+ 
+ clean:
+ 	rm -f sgpio.o sgpio
+-- 
+2.19.1
+
diff --git a/sgpio.spec b/sgpio.spec
index eda23d0e65d3836df7da5c1eba442acab58ab1e3..a69061381567f7480422bdde407c7f1466310e3e 100644
--- a/sgpio.spec
+++ b/sgpio.spec
@@ -1,6 +1,6 @@
 Name:    sgpio
 Version: 1.2.1
-Release: 2
+Release: 3
 Summary: captive backplane LED control utility
 License: GPLv2+
 URL:     http://sources.redhat.com/lvm2/wiki/DMRAID_Eventing
@@ -9,6 +9,7 @@ Source0: https://www.sourceware.org/lvm2/wiki/DMRAID_Eventing?action=AttachFile&
 BuildRequires: gcc, dos2unix
 
 Patch0: sgpio-makefile.patch
+Patch1: 0001-support-clang-build.patch
 
 %description
 Serial General Purpose Input Output (SGPIO) is a communication method used
@@ -48,6 +49,9 @@ dos2unix README LICENSE_GPL
 %{_mandir}/man*/*
 
 %changelog
+* Fri Mar 1 2024 luofeng <luofeng13@huawei.com> - 1.2.1-3
+- support clang build
+
 * Fri Dec 20 2019 openEuler Buildteam <buildteam@openeuler.org> - 1.2.1-2
 - Modify the source0