cmake: Instruct GNU Radio to look for pmt library
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 39e078b..9572792 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -88,19 +88,12 @@
 ########################################################################
 # Find gnuradio build dependencies
 ########################################################################
-find_package(GnuradioRuntime)
+set(GR_REQUIRED_COMPONENTS RUNTIME PMT)
+find_package(Gnuradio)
 find_package(Volk)
 find_package(CppUnit)
 find_package(Doxygen)
 
-# To run a more advanced search for GNU Radio and it's components and
-# versions, use the following. Add any components required to the list
-# of GR_REQUIRED_COMPONENTS (in all caps) and change "version" to the
-# minimum API compatible version required.
-#
-# set(GR_REQUIRED_COMPONENTS RUNTIME BLOCKS FILTER ...)
-# find_package(Gnuradio "version")
-
 if(NOT GNURADIO_RUNTIME_FOUND)
     message(FATAL_ERROR "GnuRadio Runtime required to compile gsm")
 endif()