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0001 This is wrong but should not crash ] ) } !
0002
0003 # comment
0004
0005 <beginfold id='1'>config</beginfold id='1'> BR2_PACKAGE_GAMMARAY
0006 bool "gammaray"
0007 depends on BR2_PACKAGE_QT5
0008 <beginfold id='2'>help</beginfold id='2'>
0009 GammaRay Qt introspection probe.
0010 second line of help, with correct indentation
0011
0012 GammaRay Qt introspection probe.
0013 second line of help, with correct indentation
0014 <endfold id='2'></endfold id='2'>third line underindented and thus wrong
0015 default 'true'
0016 <endfold id='1'></endfold id='1'><beginfold id='1'>config</beginfold id='1'> W1_MASTER_GPIO_CUSTOM
0017 tristate "Custom GPIO-based W1 driver"
0018 depends on GENERIC_GPIO
0019 select W1_GPIOconfig AG71XX
0020 tristate "Atheros AR7XXX/AR9XXX built-in ethernet mac support"
0021 depends on ATH79
0022 imply HAS_TXX9_SERIAL
0023 def_bool LD_VERSION >= 225000000 || LD_IS_LLD
0024 select PHYLIB
0025 <beginfold id='2'>---help---</beginfold id='2'>
0026 If you wish to compile a kernel for AR7XXX/91XXX and enable
0027 ethernet support, then you should always answer Y to this.
0028
0029 <endfold id='2'></endfold id='2'><endfold id='1'></endfold id='1'><beginfold id='3'>comment</beginfold id='3'> "module support disabled"
0030 depends on !MODULES
0031
0032 <endfold id='3'></endfold id='3'><beginfold id='4'>menu</beginfold id='4'> myMenu
0033 depends on NET
0034 <beginfold id='1'>config</beginfold id='1'> NETDEVICES
0035 bool "Atheros AR71xx built-in ethernet driver debugging"
0036 def_bool ds
0037 default n
0038 <beginfold id='2'>help</beginfold id='2'>
0039 Atheros AR71xx built-in ethernet driver debugging messages.
0040 <endfold id='2'></endfold id='2'><endfold id='1'></endfold id='1'><endfold id='4'>endmenu</endfold id='4'>
0041 <beginfold id='5'>if</beginfold id='5'> TARGET_OX820
0042
0043 <beginfold id='1'>config</beginfold id='1'> SYS_CPU
0044 default "arm1136"
0045
0046 <endfold id='1'></endfold id='1'><endfold id='5'>endif</endfold id='5'>
0047
0048 <beginfold id='5'>if</beginfold id='5'> AG71XX
0049 <beginfold id='1'>config</beginfold id='1'> AG71XX_DEBUG
0050 bool "Atheros AR71xx built-in ethernet driver debugging"
0051 default n
0052 <beginfold id='2'>help</beginfold id='2'>
0053 Atheros AR71xx built-in ethernet driver debugging messages.
0054 <endfold id='2'></endfold id='2'><endfold id='1'></endfold id='1'><endfold id='5'>endif</endfold id='5'>
0055
0056 # comment
0057
0058 <beginfold id='4'>menu</beginfold id='4'> "System setup"
0059
0060 <beginfold id='6'>choice</beginfold id='6'>
0061 prompt "Alpha system type"
0062 default ALPHA_GENERIC
0063 string "bad"
0064 <beginfold id='2'>---help---</beginfold id='2'>
0065 This is the system type of your hardware.
0066
0067 <endfold id='2'></endfold id='2'><beginfold id='1'>config</beginfold id='1'> HZ_32
0068 bool "32 Hz"
0069 <endfold id='1'></endfold id='1'><beginfold id='1'>config</beginfold id='1'> HZ_64
0070 bool "64 Hz"
0071
0072 <endfold id='1'></endfold id='1'><beginfold id='1'>config</beginfold id='1'> ALPHA_GENERIC
0073 bool "Generic"
0074 depends on TTY
0075 select HAVE_EISA
0076 select GENERIC_BUG_RELATIVE_POINTERS if X86_64
0077 bool "64-bit kernel" if "$(SUBARCH)" = "x86"
0078 bool "Support the legacy \"mmu-masters\" devicetree bindings"
0079 depends on ARM_SMMU=y && OF
0080 <beginfold id='2'>help</beginfold id='2'>
0081 A generic kernel will run on all supported Alpha hardware.
0082
0083 <endfold id='2'></endfold id='2'><endfold id='1'></endfold id='1'><endfold id='6'>endchoice</endfold id='6'>
0084
0085 <beginfold id='1'>config</beginfold id='1'> VGA_HOSE
0086 bool
0087 def_bool y
0088 depends on VGA_CONSOLE && <beginfold id='7'>(</beginfold id='7'>ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL || ALPHA_TSUNAMI<endfold id='7'>)</endfold id='7'>
0089 default y
0090 default n
0091 default 3
0092 bool "Use WTINT" if ALPHA_SRM || ALPHA_GENERIC
0093 default y if ALPHA_QEMU
0094 default n if ALPHA_EV5 || ALPHA_EV56 || <beginfold id='7'>(</beginfold id='7'>ALPHA_EV4 && !ALPHA_LCA<endfold id='7'>)</endfold id='7'>
0095 default n if !ALPHA_SRM && !ALPHA_GENERIC
0096 default y if SMP
0097 default "y" if PPC_POWERNV
0098 range 2 32
0099 depends on SMP
0100 default "32" if ALPHA_GENERIC || ALPHA_MARVEL
0101 default '4' if !ALPHA_GENERIC && !ALPHA_MARVEL
0102 <beginfold id='2'>help</beginfold id='2'>
0103 Support VGA on an arbitrary hose; needed for several platforms
0104 which always have multiple hoses, and whose consoles support it.
0105
0106 <endfold id='2'></endfold id='2'><endfold id='1'></endfold id='1'><endfold id='4'>endmenu</endfold id='4'>
0107
0108 <beginfold id='4'>menu</beginfold id='4'> "ARC Architecture Configuration"
0109
0110 <beginfold id='4'>menu</beginfold id='4'> "ARC Platform/SoC/Board"
0111
0112 #New platform adds here
0113 source "arch/arc/plat-eznps/Kconfig"
0114 source 'arch/arc/plat-hsdk/Kconfig'
0115
0116 <endfold id='4'>endmenu</endfold id='4'>
0117
0118 <beginfold id='4'>menu</beginfold id='4'> "ARC CPU Configuration"
0119
0120 <beginfold id='6'>choice</beginfold id='6'>
0121 prompt "ARC Core"
0122 default ARC_CPU_HS if ISA_ARCV2
0123 <beginfold id='2'>help</beginfold id='2'>
0124 bla bla
0125
0126 <endfold id='2'></endfold id='2'><beginfold id='5'>if</beginfold id='5'> ISA_ARCOMPACT
0127
0128 <beginfold id='1'>config</beginfold id='1'> ARC_CPU_750D
0129 bool "ARC750D"
0130 select ARC_CANT_LLSC
0131 <beginfold id='2'>help</beginfold id='2'>
0132 Support for ARC750 core
0133
0134 <endfold id='2'></endfold id='2'><endfold id='1'></endfold id='1'><endfold id='5'>endif</endfold id='5'> #ISA_ARCOMPACT
0135
0136 <endfold id='6'>endchoice</endfold id='6'>
0137
0138 <beginfold id='5'>if</beginfold id='5'> SMP
0139
0140 <beginfold id='1'>config</beginfold id='1'> NR_CPUS
0141 int "Maximum number of CPUs (2-4096)"
0142 range 2 4096
0143 default "4"
0144
0145 <endfold id='1'></endfold id='1'><endfold id='5'>endif</endfold id='5'> #SMP
0146
0147 <beginfold id='1'>config</beginfold id='1'> ARC_MMU_V4
0148 bool "MMU v4"
0149 depends on ISA_ARCV2
0150
0151 <endfold id='1'></endfold id='1'><endfold id='4'>endmenu</endfold id='4'> # "ARC CPU Configuration"
0152
0153 <beginfold id='1'>menuconfig</beginfold id='1'> ARC_PLAT_EZNPS
0154 bool "\"EZchip\" ARC dev platform"
0155 depends on ISA_ARCOMPACT
0156 select CPU_BIG_ENDIAN
0157 select CLKSRC_NPS if !PHYS_ADDR_T_64BIT
0158 <beginfold id='2'>help</beginfold id='2'>
0159 Support for EZchip development platforms,
0160 based on ARC700 cores.
0161 We handle few flavors:
0162 - Hardware Emulator AKA HE which is FPGA based chassis
0163 - Simulator based on MetaWare nSIM
0164 - NPS400 chip based on ASIC
0165
0166 <endfold id='2'></endfold id='2'># SPDX-License-Identifier: GPL-2.0-only
0167 <endfold id='1'></endfold id='1'><beginfold id='1'>config</beginfold id='1'> ARM64
0168 def_bool y
0169 select HAVE_DYNAMIC_FTRACE_WITH_REGS \
0170 if $(cc-option,-fpatchable-function-entry=2)
0171 select HAVE_EFFICIENT_UNALIGNED_ACCESS
0172 <beginfold id='2'>help</beginfold id='2'>
0173 ARM 64-bit (AArch64) Linux support.
0174
0175 <endfold id='2'></endfold id='2'><endfold id='1'></endfold id='1'><beginfold id='1'>config</beginfold id='1'> PHYS_OFFSET
0176 hex "Physical address of main memory" if MMU
0177 depends on !ARM_PATCH_PHYS_VIRT
0178 default DRAM_BASE if !MMU
0179 default 0x00000000 if ARCH_EBSA110 || \
0180 ARCH_FOOTBRIDGE || \
0181 ARCH_INTEGRATOR || \
0182 ARCH_REALVIEW
0183 default 0x10000000 if ARCH_OMAP1 || ARCH_RPC
0184 default 0x20000000 if ARCH_S5PV210
0185 default 0xc0000000 if ARCH_SA1100
0186 <beginfold id='2'>help</beginfold id='2'>
0187 Please provide the physical address corresponding to the
0188 location of main memory in your system.
0189
0190 <endfold id='2'></endfold id='2'><endfold id='1'></endfold id='1'><beginfold id='3'>comment</beginfold id='3'> "S3C2416 Boards"
0191
0192 <endfold id='3'></endfold id='3'><beginfold id='1'>config</beginfold id='1'> KERNEL_RAM_BASE_ADDRESS
0193 hex "Virtual address of memory base"
0194 default 0xe0000000 if SOC_TMS320C6455
0195 default 0xe0000000 if SOC_TMS320C6457
0196
0197 <endfold id='1'></endfold id='1'><beginfold id='1'>config</beginfold id='1'> CC_IS_GCC
0198 def_bool $(success,echo "$(CC_VERSION_TEXT)" | grep -q gcc)
0199
0200 <endfold id='1'></endfold id='1'>endif # error
0201
0202 # next line caused hang, see https://phabricator.kde.org/D18509
0203 <beginfold id='4'>menu</beginfold id='4'>
0204
0205 # the next lines should all be fine
0206 plain:=plain_value
0207 with_whitespace := plain value whitespace
0208 value_with_expansion := $(ARCH)
0209 plain_expansion_mix := Linux/$(ARCH) $(KERNELVERSION) Kernel Configuration
0210
0211 # function definition
0212 cc-option-bit = $(if-success,$(CC) -Werror $(1) -E -x c /dev/null -o /dev/null,$(1))
0213
0214 # function call
0215 $(cc-option-bit,-m64)
0216
0217 # function call and storing the result
0218 m32-flag := $(cc-option-bit,-m32)
0219
0220 # call to known function
0221 name := $(filename)
0222
0223 # call to known function with arguments
0224 $(warning-if,y,hello world 1)
0225
0226 # ... with nested expansions
0227 $(error-if,$(success, $(LD) -v | grep -q gold), gold linker '$(LD)' not supported)
0228
0229 # expansion in different contexts
0230 <beginfold id='1'>config</beginfold id='1'> FOO_$(BAR$(BAZ))
0231 int "$(filename)"
0232 default $(lineno) if $(lineno) >= 5
0233
0234 <endfold id='1'></endfold id='1'><beginfold id='4'>menu</beginfold id='4'> "A MENU"
0235 visible if 01 > 00
0236
0237 <beginfold id='1'>config</beginfold id='1'> A_BOOL
0238 def_bool y && m || !!<beginfold id='7'>(</beginfold id='7'>!<beginfold id='7'>(</beginfold id='7'>!!n<endfold id='7'>)</endfold id='7'><endfold id='7'>)</endfold id='7'> || "$(foo)"
0239
0240 <endfold id='1'></endfold id='1'><endfold id='4'>endmenu</endfold id='4'>
0241
0242 # Advanced real world example taken from init/Kconfig in Linux 5.10:
0243 # Invoke the system shell /bin/sh with a command to pipe a C program with an
0244 # asm goto statement to the C compiler that is set by the environment. If the
0245 # exit code is 0 then set the default value of CC_HAS_ASM_GOTO_OUTPUT to y,
0246 # otherwise to n.
0247 <beginfold id='1'>config</beginfold id='1'> CC_HAS_ASM_GOTO_OUTPUT
0248 depends on CC_HAS_ASM_GOTO
0249 def_bool $(success,echo 'int foo(int x) { asm goto ("": "=r"(x) ::: bar); return x; bar: return 0; }' | $(CC) -x c - -c -o /dev/null)
0250
0251 # Real world example with irregular indentation
0252 <endfold id='1'></endfold id='1'><beginfold id='1'>config</beginfold id='1'> W1_MASTER_DS2490
0253 tristate "DS2490 USB <-> W1 transport layer for 1-wire"
0254 depends on USB
0255 <beginfold id='2'>help</beginfold id='2'>
0256 Say Y here if you want to have a driver for DS2490 based USB <-> W1 bridges,
0257 for example DS9490*.
0258
0259 This support is also available as a module. If so, the module
0260 will be called ds2490.
0261
0262 <endfold id='2'></endfold id='2'># synthetic example
0263 <endfold id='1'></endfold id='1'>to_upper=$(shell,echo $(1) | tr [:lower:] [:upper:])
0264
0265 <beginfold id='1'>config</beginfold id='1'> ARGS_$(to_upper,$(CC))
0266 string "Arguments for the current compiler \"$(CC)\""
0267 <beginfold id='2'>help</beginfold id='2'>
0268 This is a bad idea.
0269 See <file:Documentation/completely/made-up.rst>
0270
0271 <endfold id='2'></endfold id='2'># binary operator in expression of an if statement
0272 <endfold id='1'></endfold id='1'><beginfold id='5'>if</beginfold id='5'> CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
0273 source "drivers/cpufreq/Kconfig"
0274 <endfold id='5'>endif</endfold id='5'>
0275
0276 # alert on characters (here a colon) that are ignored (taken from axTLS 2.1.5)
0277 <beginfold id='1'>config</beginfold id='1'> CONFIG_LUA_CORE
0278 string "Location of Lua CORE"
0279 default "/usr/local"
0280 <beginfold id='2'>help</beginfold id='2'>:
0281 If the Lua exists on another directory then this needs to be changed
0282
0283 <endfold id='2'></endfold id='2'><endfold id='1'></endfold id='1'><beginfold id='3'>comment</beginfold id='3'> "Comment texts know expansions, too: $(CC), and the depends property:"
0284 depends on A_BOOL
0285
0286 # "boolean" is now a free variable name ...
0287 <endfold id='1'></endfold id='1'>boolean=foo
0288 # ... but it looks like a bad idea. This may be disputed.
0289
0290 <beginfold id='1'>menuconfig</beginfold id='1'> MODULES
0291 bool "Enable loadable module support"
0292 modules
0293
0294 # the three modern options
0295 <endfold id='1'></endfold id='1'><beginfold id='1'>config</beginfold id='1'> OPTIONS
0296 option allnoconfig_y
0297 option modules
0298 option defconfig_list
0299
0300 # old option "env" and obsolete custom options
0301 <endfold id='1'></endfold id='1'><beginfold id='1'>config</beginfold id='1'> OPTIONS
0302 option env=ARCH
0303 option custom-without-argument
0304 option custom-with-argument=ABC
0305
0306 # old syntax
0307 <endfold id='1'></endfold id='1'><beginfold id='4'>menu</beginfold id='4'> OLD_STYLE_PROMPT
0308 visible if CPU_SUPPORTS_CPUFREQ
0309
0310 # busybox 1.31.1
0311 source libbb/Config.in
0312
0313 # uClibc-ng-1.0.37
0314 <beginfold id='1'>config</beginfold id='1'> DESIRED_TARGET_ARCH
0315 string
0316 option env="ARCH"
0317
0318 <endfold id='1'></endfold id='1'><beginfold id='1'>config</beginfold id='1'> OLD_HELP
0319 hex
0320 <beginfold id='2'>---help---</beginfold id='2'>
0321 old help property
0322 <endfold id='2'></endfold id='2'>default 0x1CEC0FEE
0323 <endfold id='1'></endfold id='1'><endfold id='4'>endmenu</endfold id='4'>
0324
0325 # a few errors
0326 allnoconfig_y
0327 bool
0328 def_bool
0329 def_tristate
0330 default
0331 defconfig_list
0332 depends
0333 endchoice
0334 endif
0335 help
0336 hex
0337 imply
0338 int
0339 mainmenu
0340 modules
0341 on
0342 option
0343 optional
0344 prompt
0345 range
0346 select
0347 string
0348 tristate
0349 visible
0350
0351 <beginfold id='1'>config</beginfold id='1'> OK
0352 bool "still OK"
0353 <beginfold id='2'>help</beginfold id='2'>
0354 still OK
0355 <endfold id='2'></endfold id='2'>now=fail
0356 <endfold id='1'></endfold id='1'>andNow=OK