Moving cudahelpers headers so other blocks can use it more easily.

README.md

@@ -347,7 +347,7 @@ $ sudo make install
 
 ###### Build CUDA support (OPTIONAL):
 
-In order to enable the building of blocks that use CUDA, NVIDIA's parallel programming model that enables graphics processing unit (GPU) acceleration for data-parallel computations, first you need to install the CUDA Toolkit from [NVIDIA Developers Download page](https://developer.nvidia.com/cuda-downloads "CUDA Downloads"). Then, build GNSS-SDR doing:
+In order to enable the building of blocks that use CUDA, NVIDIA's parallel programming model that enables graphics processing unit (GPU) acceleration for data-parallel computations, first you need to install the CUDA Toolkit from [NVIDIA Developers Download page](https://developer.nvidia.com/cuda-downloads "CUDA Downloads"). Make sure that the SDK samples build well. Then, build GNSS-SDR by doing:
 
 ~~~~~~ 
 $ cmake -DENABLE_CUDA=ON ../

src/algorithms/tracking/gnuradio_blocks/CMakeLists.txt

@@ -19,8 +19,9 @@
 
 if(ENABLE_CUDA)
      set(OPT_TRACKING_BLOCKS ${OPT_TRACKING_BLOCKS} gps_l1_ca_dll_pll_tracking_gpu_cc.cc)
-     set(OPT_TRACKING_INCLUDES ${OPT_TRACKING_INCLUDES}  ${CUDA_INCLUDE_DIRS}
-                               ${CMAKE_SOURCE_DIR}/src/algorithms/tracking/libs/cudahelpers)
+     set(OPT_TRACKING_INCLUDES ${OPT_TRACKING_INCLUDES}  
+                               ${CUDA_INCLUDE_DIRS}
+                               ${CMAKE_SOURCE_DIR}/src/algorithms/libs/cudahelpers)
      set(OPT_TRACKING_LIBRARIES ${OPT_TRACKING_LIBRARIES} ${CUDA_LIBRARIES}) 
 endif(ENABLE_CUDA)
 

src/algorithms/tracking/libs/CMakeLists.txt

@@ -24,13 +24,13 @@ if(ENABLE_CUDA)
     set(CUDA_PROPAGATE_HOST_FLAGS OFF)
     CUDA_INCLUDE_DIRECTORIES(
         ${CMAKE_CURRENT_SOURCE_DIR}
-        ${CMAKE_CURRENT_SOURCE_DIR}/cudahelpers
+        ${CMAKE_CURRENT_SOURCE_DIR}/../../libs/cudahelpers
         )
 
     set(LIB_TYPE STATIC) #set the lib type
     CUDA_ADD_LIBRARY(CUDA_CORRELATOR_LIB ${LIB_TYPE} cuda_multicorrelator.h cuda_multicorrelator.cu)
     set(OPT_TRACKING_LIBRARIES ${OPT_TRACKING_LIBRARIES} CUDA_CORRELATOR_LIB)
-    set(OPT_TRACKING_INCLUDES ${OPT_TRACKING_INCLUDES} ${CUDA_INCLUDE_DIRS})
+    set(OPT_TRACKING_INCLUDES ${OPT_TRACKING_INCLUDES} ${CUDA_INCLUDE_DIRS} ${CMAKE_CURRENT_SOURCE_DIR}/../../libs/cudahelpers)
 endif(ENABLE_CUDA)