diff --git "a/LLVM Parallel Universe Project/\345\217\202\344\270\216\350\264\241\347\214\256\346\214\207\345\257\274.md" "b/LLVM Parallel Universe Project/\345\217\202\344\270\216\350\264\241\347\214\256\346\214\207\345\257\274.md"
index f48ade35edb5e9b3b5bf68dbdbda1d94dcf65be9..d75f024f8c8ce1719b96e5dcfba18c95b9461295 100644
--- "a/LLVM Parallel Universe Project/\345\217\202\344\270\216\350\264\241\347\214\256\346\214\207\345\257\274.md"	
+++ "b/LLVM Parallel Universe Project/\345\217\202\344\270\216\350\264\241\347\214\256\346\214\207\345\257\274.md"	
@@ -92,6 +92,23 @@ gcc -Wall -fpie $RPM_OPT_FLAGS $CFLAGS $RPM_LD_FLAGS $LDFLAGS ifenslave.c -o ife
 ```c
 %{__cc} -Wall -fpie $RPM_OPT_FLAGS $CFLAGS $RPM_LD_FLAGS $LDFLAGS ifenslave.c -o ifenslave
 ```
+Makefile写死CC=gcc，可在spec里将CC传值到Makefile
+```
+%build
+%if "%{?toolchain}" == "clang"
+  %global make_opts CC=clang CXX=clang++
+%endif
+make %{?make_opts}
+```
+
+```
+%build
+%if "%{?toolchain}" == "clang"
+  %global make_opts CC=clang CXX=clang++
+%endif
+%make_build %{?make_opts}
+```
+
 #### 3.2、待添加
 待补充