Examples: Fix install paths in OOT RFNoC example

- Add missing "uhd/" subdirectory.
- Update install path for YAML file.
- Fix include directories and link libraries for init_gain_block.

Signed-off-by: michael-west <michael.west@ettus.com>

host/examples/rfnoc-example/CMakeLists.txt

@@ -20,7 +20,7 @@ project(rfnoc-example CXX C)
 # Setup install directories
 ########################################################################
 set(RFNOC_DATA_DIR     share                          CACHE PATH "Base location for data")
-set(RFNOC_PKG_DATA_DIR ${RFNOC_DATA_DIR}/rfnoc/       CACHE PATH "Path to install RFNoC package data")
+set(RFNOC_PKG_DATA_DIR ${RFNOC_DATA_DIR}/uhd/rfnoc/   CACHE PATH "Path to install RFNoC package data")
 set(PROJECT_DATA_DIR   ${RFNOC_PKG_DATA_DIR}/example/ CACHE PATH "Path for this project's package data")
 
 if(NOT DEFINED LIB_SUFFIX AND REDHAT AND CMAKE_SYSTEM_PROCESSOR MATCHES "64$")

host/examples/rfnoc-example/apps/CMakeLists.txt

@@ -20,15 +20,7 @@ endif(MSVC)
 find_package(Boost 1.58 REQUIRED ${BOOST_REQUIRED_COMPONENTS})
 
 include_directories(
-    ${CMAKE_SOURCE_DIR}/lib
     ${CMAKE_SOURCE_DIR}/include
-    ${CMAKE_BINARY_DIR}/lib
-    ${CMAKE_BINARY_DIR}/include
-    ${UHD_INCLUDE_DIRS}
-    ${Boost_INCLUDE_DIR}
-)
-link_directories(
-    ${Boost_LIBRARY_DIRS}
 )
 
 add_executable(init_gain_block
@@ -37,4 +29,16 @@ add_executable(init_gain_block
 target_link_libraries(init_gain_block
     ${UHD_LIBRARIES}
     ${Boost_LIBRARIES}
+    -Wl,--no-as-needed
+    rfnoc-example
 )
+
+### Once it's built... ########################################################
+# Here, you would have commands to install your program.
+# We will skip these in this example.
+#install(
+#    TARGETS init_gain_block
+#    RUNTIME
+#    DESTINATION ${PROJECT_DATA_DIR}
+#    COMPONENT apps
+#)

host/examples/rfnoc-example/blocks/CMakeLists.txt

@@ -12,6 +12,6 @@ file(GLOB yml_files "*.yml")
 install(
     FILES
     ${yml_files}
-    DESTINATION ${PROJECT_DATA_DIR}/blocks
+    DESTINATION ${RFNOC_PKG_DATA_DIR}/blocks
     COMPONENT blocks
 )