toolchain/toolchain-external/toolchain-external-arm-aarch64/Config.in.options - buildroot - Git at Google

 if BR2_TOOLCHAIN_EXTERNAL_ARM_AARCH64

 config BR2_TOOLCHAIN_EXTERNAL_PREFIX
 	default "aarch64-none-linux-gnu"

 config BR2_PACKAGE_PROVIDES_TOOLCHAIN_EXTERNAL
 	default "toolchain-external-arm-aarch64"

 endif
	if BR2_TOOLCHAIN_EXTERNAL_ARM_AARCH64

	config BR2_TOOLCHAIN_EXTERNAL_PREFIX
	default "aarch64-none-linux-gnu"

	config BR2_PACKAGE_PROVIDES_TOOLCHAIN_EXTERNAL
	default "toolchain-external-arm-aarch64"

	endif