Added RTL-SDR source module

rtl_sdr_source/CMakeLists.txt

@@ -0,0 +1,34 @@
+cmake_minimum_required(VERSION 3.13)
+project(rtl_sdr_source)
+
+if (MSVC)
+    set(CMAKE_CXX_FLAGS "-O2 /std:c++17 /EHsc")
+else()
+    set(CMAKE_CXX_FLAGS "-O3 -std=c++17 -fpermissive")
+endif (MSVC)
+
+include_directories("src/")
+
+file(GLOB SRC "src/*.cpp")
+
+add_library(rtl_sdr_source SHARED ${SRC})
+target_link_libraries(rtl_sdr_source PRIVATE sdrpp_core)
+set_target_properties(rtl_sdr_source PROPERTIES PREFIX "")
+
+if (MSVC)
+    # Lib path
+    target_link_directories(sdrpp_core PUBLIC "C:/Program Files/PothosSDR/bin/")
+
+    target_link_libraries(rtl_sdr_source PUBLIC rtlsdr)
+else (MSVC)
+    find_package(PkgConfig)
+
+    pkg_check_modules(LIBRTLSDR REQUIRED librtlsdr)
+
+    target_include_directories(rtl_sdr_source PUBLIC ${LIBRTLSDR_INCLUDE_DIRS})
+    target_link_directories(rtl_sdr_source PUBLIC ${LIBRTLSDR_LIBRARY_DIRS})
+    target_link_libraries(rtl_sdr_source PUBLIC ${LIBRTLSDR_LIBRARIES})
+endif (MSVC)
+
+# Install directives
+install(TARGETS rtl_sdr_source DESTINATION lib/sdrpp/plugins)