diff --git a/build.sh b/build.sh
index 82808db..d39f3d5 100755
--- a/build.sh
+++ b/build.sh
@@ -43,9 +43,8 @@ if [ -d ${BUILD_DIR} ]; then
 fi
 
 if [[ "${fronthaul_option}" == "jesd" ]]; then
-    cd ${RFIC_DIR}/
-    make clean
-    make lib CROSS_CC=aarch64-linux-gnu-
+    chmod +x build_jesd.sh
+    source ./build_jesd.sh
     cp ${RFIC_DIR}/librfic.a ${DIR_ROOT}/lib
 fi
 
diff --git a/build_jesd.sh b/build_jesd.sh
new file mode 100644
index 0000000..4a0b09c
--- /dev/null
+++ b/build_jesd.sh
@@ -0,0 +1,15 @@
+set -e
+
+git submodule init
+git submodule update
+
+pushd driver/rfic
+git checkout DEV
+git pull
+#git checkout commitid
+git submodule init
+git submodule update
+
+make clean
+make lib 
+popd
\ No newline at end of file