diff --git a/gprs_gb/regen_makefile.sh b/gprs_gb/regen_makefile.sh
new file mode 100755
index 0000000..9a9abb8
--- /dev/null
+++ b/gprs_gb/regen_makefile.sh
@@ -0,0 +1,9 @@
+#!/bin/sh
+
+FILES="*.ttcn BSSGP_Helper.cc"
+
+ttcn3_makefilegen -f Test.ttcn $FILES
+sed -i -e 's/# TTCN3_DIR = /TTCN3_DIR = \/usr/' Makefile
+sed -i -e 's/LDFLAGS = /LDFLAGS = -L \/usr\/lib\/titan `pkg-config --libs libnetfilter_conntrack`/' Makefile
+sed -i -e 's/TTCN3_LIB = ttcn3-parallel/TTCN3_LIB = ttcn3/' Makefile
+sed -i -e 's/CPPFLAGS = -D$(PLATFORM) -I$(TTCN3_DIR)\/include/CPPFLAGS = -D$(PLATFORM) -I$(TTCN3_DIR)\/include -I\/usr\/include\/titan/' Makefile