diff --git a/lapack.spec b/lapack.spec
index 22827f60e5c91a45af98bfa5881313d26d65d59d..f24c6a7534da0e845b7043a8a15dc323708f689a 100644
--- a/lapack.spec
+++ b/lapack.spec
@@ -4,7 +4,7 @@
 
 Name:		lapack
 Version:	%{mediumver}.0
-Release:	1
+Release:	2
 Summary:	The LAPACK libraries for numerical linear algebra.
 License:	BSD
 URL:		http://www.netlib.org/lapack/
@@ -60,11 +60,18 @@ sed -i "s|librefblas.a|libblas.a|g" make.inc
 # Please take care the changes when upgrading the software package
 sed -i '37iCFLAGS+= -fstack-protector-strong -fPIC -D_FORTIFY_SOURCE=2' LAPACKE/utils/Makefile
 sed -i '40iCFLAGS+= -fstack-protector-strong -fPIC -D_FORTIFY_SOURCE=2' LAPACKE/src/Makefile
+%if "%toolchain" == "clang"
+sed -i '/^CC/{s/gcc/clang/}' make.inc
+sed -i '/^FC/{s/gfortran/clang/}' make.inc
+sed -i '/^CFLAGS/{s/$/ -g/}' make.inc
+sed -i '/^FFLAGS/{s/$/ -g/}' make.inc
+sed -i '/^FFLAGS_NOOPT/{s/$/ -g/}' make.inc
+%endif
 
 %build
 RPM_OPT_FLAGS="$RPM_OPT_FLAGS -frecursive"
 RPM_OPT_O_FLAGS=$(echo $RPM_OPT_FLAGS | sed 's|-O2|-O0|')
-export FC=gfortran
+export FC=%["%toolchain" == "clang" ? "clang" : "gfortran"]
 
 # make method
 # param1: model name
@@ -82,7 +89,7 @@ lapack_make()
     cd shared
     ar x ../$2_pic.a
     cd ..
-    gfortran -shared -Wl,-z,now,-soname=$2.so.3 -o $2.so.%{version} shared/*.o
+    $FC -shared -Wl,-z,now,-soname=$2.so.3 -o $2.so.%{version} shared/*.o
     ln -s $2.so.%{version} $2.so
     rm -rf shared
     %make_build cleanlib
@@ -206,6 +213,12 @@ sed -i 's|@LAPACK_VERSION@|%{version}|g' %{buildroot}%{_libdir}/pkgconfig/lapack
 %endif
 
 %changelog
+* Thu Feb 22 2024 luofng <luofeng13@huawei.com> - 3.12.0-2
+- Type: enhencement
+- CVE:NA
+- SUG:NA
+- DESC:support for building with clang
+
 * Sun Feb 18 2024 liyanan <liyanan61@h-partners.com> - 3.12.0-1
 - Update to 3.12.0