CMake: Move log4cpp/spdlog handling to the GNURADIO cmake module

CMakeLists.txt

@@ -628,35 +628,6 @@ endif()
 
 
 
-################################################################################
-# Log4cpp - http://log4cpp.sourceforge.net/
-################################################################################
-if(GNURADIO_USES_LOG4CPP)
-    find_package(LOG4CPP)
-    set_package_properties(LOG4CPP PROPERTIES
-        PURPOSE "Required by GNU Radio."
-        TYPE REQUIRED
-    )
-endif()
-
-
-
-################################################################################
-# spdlog - https://github.com/gabime/spdlog
-################################################################################
-if(GNURADIO_USES_SPDLOG)
-    find_package(spdlog REQUIRED CONFIG)
-    set_package_properties(spdlog PROPERTIES
-        URL "https://github.com/gabime/spdlog"
-        DESCRIPTION "Very fast, header-only/compiled, C++ logging library"
-        PURPOSE "Required by GNU Radio."
-        TYPE REQUIRED
-    )
-    target_link_libraries(Gnuradio::runtime INTERFACE spdlog::spdlog)
-endif()
-
-
-
 ################################################################################
 # Detect availability of std::filesystem and set C++ standard accordingly
 ################################################################################

cmake/Modules/FindGNURADIO.cmake

@@ -411,10 +411,23 @@ if(GNURADIO_RUNTIME_INCLUDE_DIRS)
             endif()
         endforeach()
         if(${_uses_log4cpp})
-            set(GNURADIO_USES_LOG4CPP TRUE)
+            find_package(LOG4CPP)
+            set_package_properties(LOG4CPP PROPERTIES
+                PURPOSE "Required by GNU Radio."
+                TYPE REQUIRED
+            )
+            target_link_libraries(Gnuradio::filter INTERFACE Log4cpp::log4cpp)
         endif()
         if(${_uses_spdlog})
-            set(GNURADIO_USES_SPDLOG TRUE)
+            find_package(spdlog REQUIRED CONFIG)
+            set_package_properties(spdlog PROPERTIES
+                URL "https://github.com/gabime/spdlog"
+                DESCRIPTION "Very fast, header-only/compiled, C++ logging library"
+                PURPOSE "Required by GNU Radio."
+                TYPE REQUIRED
+            )
+            target_link_libraries(Gnuradio::runtime INTERFACE spdlog::spdlog)
+            target_link_libraries(Gnuradio::blocks INTERFACE spdlog::spdlog)
         endif()
     endif()
 endif()

docs/CHANGELOG.md

@@ -62,6 +62,7 @@ All notable changes to GNSS-SDR will be documented in this file.
 - The configuration options at building time `-DENABLE_OWN_GLOG`,
   `-DENABLE_OWN_ARMADILLO`, and `-DENABLE_OWN_GNSSTK` can now be switched `ON`
   and `OFF` without the need to start from an empty buiding folder.
+- Improved CMake handling of the spdlog library used by GNU Radio >= 3.10.
 
 ### Improvements in Usability:
 

src/algorithms/input_filter/gnuradio_blocks/CMakeLists.txt

@@ -48,13 +48,6 @@ target_link_libraries(input_filter_gr_blocks
         Volk::volk
 )
 
-if(LOG4CPP_FOUND)
-    target_link_libraries(input_filter_gr_blocks
-        PRIVATE
-            Log4cpp::log4cpp
-    )
-endif()
-
 target_include_directories(input_filter_gr_blocks
     PUBLIC
         ${GNSSSDR_SOURCE_DIR}/src/core/interfaces