diff --git a/syslinux.spec b/syslinux.spec
index eca0e8990e3c95711eff416c314e479cda159bd4..376a9bb7cb41f927493eb1eb828a260c12ec3860 100644
--- a/syslinux.spec
+++ b/syslinux.spec
@@ -2,7 +2,7 @@
 
 Name:           syslinux
 Version:        6.04
-Release:        14
+Release:        15
 License:        GPLv2+
 Summary:        The Syslinux boot loader collection
 URL:            http://syslinux.zytor.com/wiki/index.php/The_Syslinux_Project
@@ -92,8 +92,8 @@ Modules for 64-bit UEFI systems.
 %autosetup -n syslinux-6.04-pre1 -p1
 
 %build
-make RPMCFLAGS='%{optflags}' RPMLDFLAGS='%{build_ldflags}' bios clean all
-make RPMCFLAGS='%{optflags}' RPMLDFLAGS='%{build_ldflags}' efi64 clean all
+make CC="%{__cc}" RPMCFLAGS='%{optflags}' RPMLDFLAGS='%{build_ldflags}' bios clean all
+make CC="%{__cc}" RPMCFLAGS='%{optflags}' RPMLDFLAGS='%{build_ldflags}' efi64 clean all
 
 %install
 rm -rf %{buildroot}
@@ -162,6 +162,9 @@ fi
 %{_datadir}/syslinux/efi64
 
 %changelog
+* Fri Mar 1 2024 luofeng <luofeng13@huawei.com> - 6.04-15
+- support clang build
+ 
 * Tue Jul 11 2023 zhangpan<zhangpan103@h-partners.com> - 6.04-14
 - fix CVE-2016-9840 CVE-2016-9841 CVE-2016-9842 CVE-2016-9843