feat(dmr): add receive frontend and AMBE adapter

native/dmr/CMakeLists.txt

@@ -0,0 +1,21 @@
+cmake_minimum_required(VERSION 3.10)
+project(ewsdr_dmr C)
+
+find_path(MBELIB_INCLUDE_DIR mbelib.h REQUIRED)
+find_library(MBELIB_LIBRARY NAMES mbe REQUIRED)
+
+add_library(ewsdr_dmr SHARED ewsdr_dmr.c)
+target_compile_definitions(ewsdr_dmr PRIVATE EWSDR_DMR_BUILD)
+target_include_directories(ewsdr_dmr
+  PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}
+  PRIVATE ${MBELIB_INCLUDE_DIR})
+target_link_libraries(ewsdr_dmr PRIVATE ${MBELIB_LIBRARY})
+set_target_properties(ewsdr_dmr PROPERTIES
+  C_VISIBILITY_PRESET hidden
+  VISIBILITY_INLINES_HIDDEN YES)
+
+include(GNUInstallDirs)
+install(TARGETS ewsdr_dmr
+  LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+  RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
+install(FILES ewsdr_dmr.h DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})