CONFIG_CC_HAS_BRANCH_PROT_PAC_RET_BTI is not available for thedefaultarchitecture x86.
Result is shown for architecture arm64

CONFIG_CC_HAS_BRANCH_PROT_PAC_RET_BTI (not configurable)

configname: CONFIG_CC_HAS_BRANCH_PROT_PAC_RET_BTI

Linux Kernel Configuration
└─>Kernel Features
└─>ARMv8.5 architectural features
└─>CC_HAS_BRANCH_PROT_PAC_RET_BTI
In linux kernel since version 5.1 (release Date: 2019-05-05)