diff --git a/build/BUILD.gn b/build/BUILD.gn
index fb44404ea460d06a56db9d1f51edbf861b2e2626..895f5bf3ff930f207604a241c915fc1bf1a23a91 100644
--- a/build/BUILD.gn
+++ b/build/BUILD.gn
@@ -50,7 +50,7 @@ if (!defined(board_configed_sysroot) || board_configed_sysroot == "") {
         arch_cflags = string_join(" ", target_arch_cflags)
         command = "make TOPDIR=$ohos_root_path SYSROOTDIR=$sysroot_path TARGETS=$targets -f $makefile"
         command += " ARCH=$arch TARGET=$target_triple ARCH_CFLAGS=\"$arch_cflags\""
-        command += " BUILD_DEBUG=false BUILD_ALL_MULTILIB=false"
+        command += " BUILD_DEBUG=false BUILD_ALL_MULTILIB=false CLANG=$ohos_current_cc_command"
 
         # copy standard libraries libc.so and libc++.so to lib out dir
         libcpp = "\$($ohos_current_cxx_command --target=$target_triple --sysroot=$sysroot_path $arch_cflags -print-file-name=libc++.so)"
diff --git a/build/Makefile b/build/Makefile
index 58e0e3b86b9857a001039171c45a28d480ac116a..22db07b2ed9109c3f2ce276f84e6639f83e49982 100644
--- a/build/Makefile
+++ b/build/Makefile
@@ -29,8 +29,9 @@
 
 ARCH = arm
 TARGET = $(ARCH)-liteos
-CROSS_COMPILE = llvm-
-CC = clang --target=$(TARGET) $(ARCH_CFLAGS)
+CLANG ?= clang
+CROSS_COMPILE = $(CLANG:%clang=%)llvm-
+CC = $(CLANG) --target=$(TARGET) $(ARCH_CFLAGS)
 MULTILIB = $(patsubst $(shell $(CC) -print-file-name=)%/,%,$(dir $(shell $(CC) -print-libgcc-file-name)))
 MUSLBUILDDIR = build_$(ARCH)$(subst $(eval) ,,$(patsubst -%,_%,$(sort $(ARCH_CFLAGS))))
 HIDE = @