Moved control channels decoder to libosmocore implementation
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5832d42..11d589d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -107,6 +107,7 @@
 find_package(CppUnit)
 find_package(Doxygen)
 find_package(Libosmocore)
+find_package(Libosmocoding)
 
 if(NOT GNURADIO_RUNTIME_FOUND)
     message(FATAL_ERROR "GnuRadio Runtime required to compile gr-gsm")
@@ -120,6 +121,9 @@
 if(NOT LIBOSMOCORE_FOUND)
     message(FATAL_ERROR "Libosmocore required to compile gr-gsm")
 endif()
+if(NOT LIBOSMOCODING_FOUND)
+    message(FATAL_ERROR "Libosmocoding required to compile gr-gsm")
+endif()
 
 ########################################################################
 # Setup doxygen option