## =========================================================# Kconfig demo# =========================================================menu"Kconfig Syntax Learning Demo"# 顶层 menu，# ---------------------------------------------------------# 1. 最基础的 bool 选项# ---------------------------------------------------------config DEMO_BOOL bool"Enable demo bool option"default yhelpThis is a basic bool option. It can be enabled or disabled.# ---------------------------------------------------------# 2. 条件块 if / endif# ---------------------------------------------------------ifDEMO_BOOL config DEMO_SUB_BOOL bool"Sub option (visible only when DEMO_BOOL=y)"default nhelpThis option is only visible when DEMO_BOOL is enabled. endif# DEMO_BOOL# ---------------------------------------------------------# 3. int 类型 + range# ---------------------------------------------------------config DEMO_INT int"Demo integer value"default10range1100helpAn integer option with range constraint.# ---------------------------------------------------------# 4. string 类型# ---------------------------------------------------------config DEMO_STRING string"Demo string value"default"hello-kconfig"helpA string option.# ---------------------------------------------------------# 5. tristate 类型（y / m / n）# ---------------------------------------------------------config DEMO_TRISTATE tristate"Demo tristate option"default yhelptristate supports: y - built-in m - module n - disabled# ---------------------------------------------------------# 6. choice（互斥选项）# ---------------------------------------------------------choice prompt"Choose one demo mode"default DEMO_MODE_A config DEMO_MODE_A bool"Mode A"config DEMO_MODE_B bool"Mode B"config DEMO_MODE_C bool"Mode C"endchoice# ---------------------------------------------------------# 7. 条件 default# ---------------------------------------------------------config DEMO_FAST_PATH bool"Enable fast path"default yifDEMO_MODE_A default nhelpAutomatically enabled when Mode A is selected.# ---------------------------------------------------------# 8. 隐藏配置项（无 prompt）# ---------------------------------------------------------config DEMO_HIDDEN bool default yhelpThis option has no prompt and is hidden from menuconfig.# ---------------------------------------------------------# 9. depends on 示例# ---------------------------------------------------------config DEMO_DEPENDS bool"Option depending on DEMO_BOOL"depends on DEMO_BOOL default yhelpThis option depends on DEMO_BOOL. endmenu
对照
makemenuconfig
.config
## Automatically generated file; DO NOT EDIT.# Linux Kernel Configuration### Kconfig Syntax Learning Demo#CONFIG_DEMO_BOOL=y# CONFIG_DEMO_SUB_BOOL is not setCONFIG_DEMO_INT=10CONFIG_DEMO_STRING="hello-kconfig"CONFIG_DEMO_TRISTATE=yCONFIG_DEMO_MODE_A=y# CONFIG_DEMO_MODE_B is not set# CONFIG_DEMO_MODE_C is not set# CONFIG_DEMO_FAST_PATH is not setCONFIG_DEMO_HIDDEN=yCONFIG_DEMO_DEPENDS=y
