--- a/llm/generate/gen_common.sh
+++ b/llm/generate/gen_common.sh
@@ -86,7 +89,7 @@
     cmake -S ${LLAMACPP_DIR} -B ${BUILD_DIR} ${CMAKE_DEFS}
     cmake --build ${BUILD_DIR} ${CMAKE_TARGETS} -j8
     mkdir -p ${BUILD_DIR}/lib/
-    g++ -fPIC -g -shared -o ${BUILD_DIR}/lib/libext_server.${LIB_EXT} \
+    $CXX -fPIC -g -shared -o ${BUILD_DIR}/lib/libext_server.${LIB_EXT} \
         ${GCC_ARCH} \
         ${WHOLE_ARCHIVE} ${BUILD_DIR}/examples/server/libext_server.a ${NO_WHOLE_ARCHIVE} \
         ${BUILD_DIR}/common/libcommon.a \