|  | # Copyright (c) 2021 Nordic Semiconductor ASA | 
|  | # SPDX-License-Identifier: Apache-2.0 | 
|  |  | 
|  | config LD_LINKER_SCRIPT_SUPPORTED | 
|  | bool | 
|  | default n | 
|  |  | 
|  | choice LINKER_SCRIPT | 
|  | default CMAKE_LINKER_GENERATOR | 
|  | endchoice | 
|  |  | 
|  | choice LIBC_IMPLEMENTATION | 
|  | prompt "C Library Implementation" | 
|  | default ARMCLANG_STD_LIBC | 
|  |  | 
|  | config ARMCLANG_STD_LIBC | 
|  | bool "ARM Compiler C library" | 
|  | select COMMON_LIBC_STRNLEN | 
|  | select COMMON_LIBC_TIME if POSIX_CLOCK | 
|  | help | 
|  | Use the full Arm Compiler runtime libraries. | 
|  | A reduced Zephyr minimal libc will be used for library functionality | 
|  | not provided by ARM Compiler standard libraries. | 
|  |  | 
|  | endchoice |