cmake+ps2: create .elf files

cmake/ps2/PS2Functions.cmake

@@ -0,0 +1,18 @@
+if(NOT COMMAND add_erl_executable)
+    message(FATAL_ERROR "The `add_erl_executable` cmake command is not available. Please use an appropriate Playstation 2 toolchain.")
+endif()
+
+function(librw_platform_target TARGET)
+    cmake_parse_arguments(LPT "INSTALL" "" "" ${ARGN})
+
+    get_target_property(TARGET_TYPE "${TARGET}" TYPE)
+    if(TARGET_TYPE STREQUAL "EXECUTABLE")
+        add_erl_executable(${TARGET} OUTPUT_VAR ERL_FILE)
+
+        if(LIBRW_INSTALL AND LPT_INSTALL)
+            install(FILES "${ERL_FILE}"
+                DESTINATION "${CMAKE_INSTALL_BINDIR}"
+            )
+        endif()
+    endif()
+endfunction()