makes the port provide its dependencies as a library

port/moonlight/CMakeLists.txt

@@ -0,0 +1,55 @@
+set(MOONLIGHT_ROOT ${CMAKE_CURRENT_LIST_DIR})
+set(THREADX4TGFS_ROOT ${CMAKE_CURRENT_SOURCE_DIR}/../..)
+
+set(MOONLIGHT_PLATFORM_SOURCES
+  ${THREADX4TGFS_ROOT}/port/picolibc/port.c
+  ${MOONLIGHT_ROOT}/bootup.c
+  ${MOONLIGHT_ROOT}/board.c
+  ${MOONLIGHT_ROOT}/trap_non_vectored.c
+  ${MOONLIGHT_ROOT}/exception.c
+  ${MOONLIGHT_ROOT}/vector_table.c)
+
+add_library(moonlight_platform_defaults INTERFACE)
+target_include_directories(moonlight_platform_defaults INTERFACE
+  ${MOONLIGHT_ROOT}
+  ${THREADX4TGFS_ROOT}/src)
+target_compile_options(moonlight_platform_defaults INTERFACE
+  -ffreestanding
+  -fno-builtin
+  -fdata-sections
+  -ffunction-sections)
+target_link_directories(moonlight_platform_defaults INTERFACE
+  ${THREADX4TGFS_ROOT}/src)
+target_link_options(moonlight_platform_defaults INTERFACE
+  -nostartfiles
+  -nostdlib
+  -T ${THREADX4TGFS_ROOT}/src/${TARGET_MEM}.lds
+  -Wl,--gc-sections)
+if(NX_DEBUG)
+  target_compile_definitions(moonlight_platform_defaults INTERFACE
+    NX_DEBUG
+    NX_DEBUG_PACKET)
+endif()
+
+add_library(moonlight_platform_common OBJECT
+  ${MOONLIGHT_PLATFORM_SOURCES})
+target_link_libraries(moonlight_platform_common PUBLIC
+  moonlight_platform_defaults
+  c
+  threadx)
+
+add_library(moonlight_network_driver OBJECT
+  ${MOONLIGHT_ROOT}/mnrs_network_driver.c)
+target_link_libraries(moonlight_network_driver PUBLIC
+  moonlight_platform_defaults
+  c
+  threadx
+  netxduo)
+
+function(target_add_moonlight_platform TARGET)
+  target_link_libraries(${TARGET} PRIVATE moonlight_platform_common)
+endfunction()
+
+function(target_add_moonlight_network_driver TARGET)
+  target_link_libraries(${TARGET} PRIVATE moonlight_network_driver)
+endfunction()