support clang build

Signed-off-by: luofeng14 <luofeng13@huawei.com>

etmem.spec

@@ -2,7 +2,7 @@
 
 Name:	       etmem
 Version:       1.1
-Release:       6
+Release:       7
 Summary:       etmem 
 License:       MulanPSL-2.0
 URL:           https://gitee.com/openeuler/etmem
@@ -31,6 +31,9 @@ etmem module
 %build
 mkdir -p build
 cd build
+%if "%{?toolchain}" == "clang"
+CFLAGS="${CFLAGS:-%{?build_cflags}} -Wno-typedef-redefinition"; export CFLAGS;
+%endif
 cmake .. 
 make
 
@@ -67,6 +70,12 @@ install -m 0644 userswap/include/uswap_api.h $RPM_BUILD_ROOT%{_includedir}
 %postun -p /sbin/ldconfig
 
 %changelog
+* Thu Feb 22 2024 luofng <luofeng13@huawei.com> - 1.1-7
+- Type: enhencement
+- CVE:NA
+- SUG:NA
+- DESC:support for building with clang
+
 * Thu Aug 24 2023 volcanodragon <linfeilong@huawei.com> - 1.1-6
 - fix project stop cmd timeout problem