diff --git a/tinyxml.spec b/tinyxml.spec
index 11c55bdc365846a18c215868c1778603ed764acf..cbe5f47c65a6b9ac1b0947a1295628c5299c9c93 100644
--- a/tinyxml.spec
+++ b/tinyxml.spec
@@ -1,6 +1,6 @@
 Name:           tinyxml
 Version:        2.6.2
-Release:        24
+Release:        25
 Summary:        C++ XML parser
 License:        zlib
 URL:            http://www.grinninglizard.com/tinyxml/
@@ -30,11 +30,11 @@ It provides header files and libraries for tinyxml.
 touch tinyxml.h
 
 %build
-g++ $RPM_OPT_FLAGS -fPIC -o tinyxml.cpp.o -c tinyxml.cpp
-g++ $RPM_OPT_FLAGS -fPIC -o tinystr.cpp.o -c tinystr.cpp
-g++ $RPM_OPT_FLAGS -fPIC -o tinyxmlerror.cpp.o -c tinyxmlerror.cpp
-g++ $RPM_OPT_FLAGS -fPIC -o tinyxmlparser.cpp.o -c tinyxmlparser.cpp
-g++ $RPM_LD_FLAGS -shared -o libtinyxml.so.0.%{version} -Wl,-soname,libtinyxml.so.0 *.cpp.o
+%{__cxx} $RPM_OPT_FLAGS -fPIC -o tinyxml.cpp.o -c tinyxml.cpp
+%{__cxx} $RPM_OPT_FLAGS -fPIC -o tinystr.cpp.o -c tinystr.cpp
+%{__cxx} $RPM_OPT_FLAGS -fPIC -o tinyxmlerror.cpp.o -c tinyxmlerror.cpp
+%{__cxx} $RPM_OPT_FLAGS -fPIC -o tinyxmlparser.cpp.o -c tinyxmlparser.cpp
+%{__cxx} $RPM_LD_FLAGS -shared -o libtinyxml.so.0.%{version} -Wl,-soname,libtinyxml.so.0 *.cpp.o
 
 
 %install
@@ -66,6 +66,9 @@ mkdir -p %{buildroot}%{_libdir}/pkgconfig
 %{_libdir}/*.so
 
 %changelog
+* Wed Jan 08 2025 Suyun <ziyu.oerv@isrc.iscas.ac.cn> - 2.6.2-25
+- Use __cxx marco to support Clang
+
 * Tue Dec 24 2024 Jianmin <jianmin@iscas.ac.cn> - 2.6.2-24
 - fix CVE-2023-34194