if(BOOTLOADER_BUILD) # Bootloader builds need the platform_include directory (for assert.h), but nothing else idf_component_register(INCLUDE_DIRS platform_include) return() endif() set(srcs "abort.c" "heap.c" "locks.c" "poll.c" "pthread.c" "random.c" "reent_init.c" "newlib_init.c" "syscalls.c" "termios.c" "time.c") set(include_dirs platform_include) if(CONFIG_SPIRAM_CACHE_WORKAROUND) set(ldfragments esp32-spiram-rom-functions-c.lf) endif() list(APPEND ldfragments newlib.lf) idf_component_register(SRCS "${srcs}" INCLUDE_DIRS "${include_dirs}" PRIV_INCLUDE_DIRS priv_include PRIV_REQUIRES soc LDFRAGMENTS "${ldfragments}") # Toolchain libraries require code defined in this component idf_component_get_property(newlib newlib COMPONENT_LIB) target_link_libraries(${COMPONENT_LIB} INTERFACE c m gcc "$") set_source_files_properties(heap.c PROPERTIES COMPILE_FLAGS -fno-builtin) # Forces the linker to include heap, syscall, pthread and retargetable locks from this component, # instead of the implementations provided by newlib. list(APPEND EXTRA_LINK_FLAGS "-u newlib_include_heap_impl") list(APPEND EXTRA_LINK_FLAGS "-u newlib_include_syscalls_impl") list(APPEND EXTRA_LINK_FLAGS "-u newlib_include_pthread_impl") target_link_libraries(${COMPONENT_LIB} INTERFACE "${EXTRA_LINK_FLAGS}") if(CONFIG_NEWLIB_NANO_FORMAT) target_link_libraries(${COMPONENT_LIB} INTERFACE "--specs=nano.specs") endif() add_subdirectory(port)