357 lines
12 KiB
Plaintext
357 lines
12 KiB
Plaintext
This is wrong but should not crash ] ) } !
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# comment
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<beginfold id='1'>config</beginfold id='1'> BR2_PACKAGE_GAMMARAY
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bool "gammaray"
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depends on BR2_PACKAGE_QT5
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<beginfold id='2'>help</beginfold id='2'>
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GammaRay Qt introspection probe.
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second line of help, with correct indentation
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GammaRay Qt introspection probe.
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second line of help, with correct indentation
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<endfold id='2'></endfold id='2'>third line underindented and thus wrong
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default 'true'
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<endfold id='1'></endfold id='1'><beginfold id='1'>config</beginfold id='1'> W1_MASTER_GPIO_CUSTOM
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tristate "Custom GPIO-based W1 driver"
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depends on GENERIC_GPIO
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select W1_GPIOconfig AG71XX
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tristate "Atheros AR7XXX/AR9XXX built-in ethernet mac support"
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depends on ATH79
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imply HAS_TXX9_SERIAL
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def_bool LD_VERSION >= 225000000 || LD_IS_LLD
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select PHYLIB
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<beginfold id='2'>---help---</beginfold id='2'>
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If you wish to compile a kernel for AR7XXX/91XXX and enable
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ethernet support, then you should always answer Y to this.
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<endfold id='2'></endfold id='2'><endfold id='1'></endfold id='1'><beginfold id='3'>comment</beginfold id='3'> "module support disabled"
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depends on !MODULES
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<endfold id='3'></endfold id='3'><beginfold id='4'>menu</beginfold id='4'> myMenu
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depends on NET
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<beginfold id='1'>config</beginfold id='1'> NETDEVICES
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bool "Atheros AR71xx built-in ethernet driver debugging"
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def_bool ds
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default n
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<beginfold id='2'>help</beginfold id='2'>
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Atheros AR71xx built-in ethernet driver debugging messages.
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<endfold id='2'></endfold id='2'><endfold id='1'></endfold id='1'><endfold id='4'>endmenu</endfold id='4'>
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<beginfold id='5'>if</beginfold id='5'> TARGET_OX820
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<beginfold id='1'>config</beginfold id='1'> SYS_CPU
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default "arm1136"
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<endfold id='1'></endfold id='1'><endfold id='5'>endif</endfold id='5'>
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<beginfold id='5'>if</beginfold id='5'> AG71XX
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<beginfold id='1'>config</beginfold id='1'> AG71XX_DEBUG
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bool "Atheros AR71xx built-in ethernet driver debugging"
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default n
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<beginfold id='2'>help</beginfold id='2'>
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Atheros AR71xx built-in ethernet driver debugging messages.
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<endfold id='2'></endfold id='2'><endfold id='1'></endfold id='1'><endfold id='5'>endif</endfold id='5'>
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# comment
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<beginfold id='4'>menu</beginfold id='4'> "System setup"
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<beginfold id='6'>choice</beginfold id='6'>
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prompt "Alpha system type"
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default ALPHA_GENERIC
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string "bad"
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<beginfold id='2'>---help---</beginfold id='2'>
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This is the system type of your hardware.
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<endfold id='2'></endfold id='2'><beginfold id='1'>config</beginfold id='1'> HZ_32
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bool "32 Hz"
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<endfold id='1'></endfold id='1'><beginfold id='1'>config</beginfold id='1'> HZ_64
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bool "64 Hz"
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<endfold id='1'></endfold id='1'><beginfold id='1'>config</beginfold id='1'> ALPHA_GENERIC
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bool "Generic"
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depends on TTY
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select HAVE_EISA
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select GENERIC_BUG_RELATIVE_POINTERS if X86_64
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bool "64-bit kernel" if "$(SUBARCH)" = "x86"
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bool "Support the legacy \"mmu-masters\" devicetree bindings"
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depends on ARM_SMMU=y && OF
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<beginfold id='2'>help</beginfold id='2'>
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A generic kernel will run on all supported Alpha hardware.
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<endfold id='2'></endfold id='2'><endfold id='1'></endfold id='1'><endfold id='6'>endchoice</endfold id='6'>
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<beginfold id='1'>config</beginfold id='1'> VGA_HOSE
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bool
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def_bool y
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depends on VGA_CONSOLE && <beginfold id='7'>(</beginfold id='7'>ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL || ALPHA_TSUNAMI<endfold id='7'>)</endfold id='7'>
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default y
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default n
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default 3
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bool "Use WTINT" if ALPHA_SRM || ALPHA_GENERIC
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default y if ALPHA_QEMU
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default n if ALPHA_EV5 || ALPHA_EV56 || <beginfold id='7'>(</beginfold id='7'>ALPHA_EV4 && !ALPHA_LCA<endfold id='7'>)</endfold id='7'>
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default n if !ALPHA_SRM && !ALPHA_GENERIC
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default y if SMP
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default "y" if PPC_POWERNV
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range 2 32
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depends on SMP
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default "32" if ALPHA_GENERIC || ALPHA_MARVEL
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default '4' if !ALPHA_GENERIC && !ALPHA_MARVEL
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<beginfold id='2'>help</beginfold id='2'>
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Support VGA on an arbitrary hose; needed for several platforms
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which always have multiple hoses, and whose consoles support it.
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<endfold id='2'></endfold id='2'><endfold id='1'></endfold id='1'><endfold id='4'>endmenu</endfold id='4'>
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<beginfold id='4'>menu</beginfold id='4'> "ARC Architecture Configuration"
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<beginfold id='4'>menu</beginfold id='4'> "ARC Platform/SoC/Board"
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#New platform adds here
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source "arch/arc/plat-eznps/Kconfig"
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source 'arch/arc/plat-hsdk/Kconfig'
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<endfold id='4'>endmenu</endfold id='4'>
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<beginfold id='4'>menu</beginfold id='4'> "ARC CPU Configuration"
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<beginfold id='6'>choice</beginfold id='6'>
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prompt "ARC Core"
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default ARC_CPU_HS if ISA_ARCV2
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<beginfold id='2'>help</beginfold id='2'>
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bla bla
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<endfold id='2'></endfold id='2'><beginfold id='5'>if</beginfold id='5'> ISA_ARCOMPACT
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<beginfold id='1'>config</beginfold id='1'> ARC_CPU_750D
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bool "ARC750D"
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select ARC_CANT_LLSC
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<beginfold id='2'>help</beginfold id='2'>
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Support for ARC750 core
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<endfold id='2'></endfold id='2'><endfold id='1'></endfold id='1'><endfold id='5'>endif</endfold id='5'> #ISA_ARCOMPACT
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<endfold id='6'>endchoice</endfold id='6'>
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<beginfold id='5'>if</beginfold id='5'> SMP
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<beginfold id='1'>config</beginfold id='1'> NR_CPUS
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int "Maximum number of CPUs (2-4096)"
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range 2 4096
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default "4"
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<endfold id='1'></endfold id='1'><endfold id='5'>endif</endfold id='5'> #SMP
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<beginfold id='1'>config</beginfold id='1'> ARC_MMU_V4
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bool "MMU v4"
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depends on ISA_ARCV2
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<endfold id='1'></endfold id='1'><endfold id='4'>endmenu</endfold id='4'> # "ARC CPU Configuration"
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<beginfold id='1'>menuconfig</beginfold id='1'> ARC_PLAT_EZNPS
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bool "\"EZchip\" ARC dev platform"
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depends on ISA_ARCOMPACT
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select CPU_BIG_ENDIAN
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select CLKSRC_NPS if !PHYS_ADDR_T_64BIT
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<beginfold id='2'>help</beginfold id='2'>
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Support for EZchip development platforms,
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based on ARC700 cores.
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We handle few flavors:
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- Hardware Emulator AKA HE which is FPGA based chassis
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- Simulator based on MetaWare nSIM
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- NPS400 chip based on ASIC
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<endfold id='2'></endfold id='2'># SPDX-License-Identifier: GPL-2.0-only
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<endfold id='1'></endfold id='1'><beginfold id='1'>config</beginfold id='1'> ARM64
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def_bool y
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select HAVE_DYNAMIC_FTRACE_WITH_REGS \
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if $(cc-option,-fpatchable-function-entry=2)
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select HAVE_EFFICIENT_UNALIGNED_ACCESS
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<beginfold id='2'>help</beginfold id='2'>
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ARM 64-bit (AArch64) Linux support.
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<endfold id='2'></endfold id='2'><endfold id='1'></endfold id='1'><beginfold id='1'>config</beginfold id='1'> PHYS_OFFSET
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hex "Physical address of main memory" if MMU
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depends on !ARM_PATCH_PHYS_VIRT
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default DRAM_BASE if !MMU
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default 0x00000000 if ARCH_EBSA110 || \
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ARCH_FOOTBRIDGE || \
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ARCH_INTEGRATOR || \
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ARCH_REALVIEW
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default 0x10000000 if ARCH_OMAP1 || ARCH_RPC
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default 0x20000000 if ARCH_S5PV210
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default 0xc0000000 if ARCH_SA1100
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<beginfold id='2'>help</beginfold id='2'>
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Please provide the physical address corresponding to the
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location of main memory in your system.
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<endfold id='2'></endfold id='2'><endfold id='1'></endfold id='1'><beginfold id='3'>comment</beginfold id='3'> "S3C2416 Boards"
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<endfold id='3'></endfold id='3'><beginfold id='1'>config</beginfold id='1'> KERNEL_RAM_BASE_ADDRESS
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hex "Virtual address of memory base"
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default 0xe0000000 if SOC_TMS320C6455
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default 0xe0000000 if SOC_TMS320C6457
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<endfold id='1'></endfold id='1'><beginfold id='1'>config</beginfold id='1'> CC_IS_GCC
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def_bool $(success,echo "$(CC_VERSION_TEXT)" | grep -q gcc)
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<endfold id='1'></endfold id='1'>endif # error
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# next line caused hang, see https://phabricator.kde.org/D18509
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<beginfold id='4'>menu</beginfold id='4'>
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# the next lines should all be fine
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plain:=plain_value
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with_whitespace := plain value whitespace
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value_with_expansion := $(ARCH)
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plain_expansion_mix := Linux/$(ARCH) $(KERNELVERSION) Kernel Configuration
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# function definition
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cc-option-bit = $(if-success,$(CC) -Werror $(1) -E -x c /dev/null -o /dev/null,$(1))
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# function call
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$(cc-option-bit,-m64)
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# function call and storing the result
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m32-flag := $(cc-option-bit,-m32)
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# call to known function
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name := $(filename)
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# call to known function with arguments
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$(warning-if,y,hello world 1)
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# ... with nested expansions
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$(error-if,$(success, $(LD) -v | grep -q gold), gold linker '$(LD)' not supported)
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# expansion in different contexts
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<beginfold id='1'>config</beginfold id='1'> FOO_$(BAR$(BAZ))
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int "$(filename)"
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default $(lineno) if $(lineno) >= 5
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<endfold id='1'></endfold id='1'><beginfold id='4'>menu</beginfold id='4'> "A MENU"
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visible if 01 > 00
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<beginfold id='1'>config</beginfold id='1'> A_BOOL
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def_bool y && m || !!<beginfold id='7'>(</beginfold id='7'>!<beginfold id='7'>(</beginfold id='7'>!!n<endfold id='7'>)</endfold id='7'><endfold id='7'>)</endfold id='7'> || "$(foo)"
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<endfold id='1'></endfold id='1'><endfold id='4'>endmenu</endfold id='4'>
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# Advanced real world example taken from init/Kconfig in Linux 5.10:
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# Invoke the system shell /bin/sh with a command to pipe a C program with an
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# asm goto statement to the C compiler that is set by the environment. If the
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# exit code is 0 then set the default value of CC_HAS_ASM_GOTO_OUTPUT to y,
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# otherwise to n.
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<beginfold id='1'>config</beginfold id='1'> CC_HAS_ASM_GOTO_OUTPUT
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depends on CC_HAS_ASM_GOTO
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def_bool $(success,echo 'int foo(int x) { asm goto ("": "=r"(x) ::: bar); return x; bar: return 0; }' | $(CC) -x c - -c -o /dev/null)
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# Real world example with irregular indentation
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<endfold id='1'></endfold id='1'><beginfold id='1'>config</beginfold id='1'> W1_MASTER_DS2490
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tristate "DS2490 USB <-> W1 transport layer for 1-wire"
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depends on USB
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<beginfold id='2'>help</beginfold id='2'>
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Say Y here if you want to have a driver for DS2490 based USB <-> W1 bridges,
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for example DS9490*.
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This support is also available as a module. If so, the module
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will be called ds2490.
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<endfold id='2'></endfold id='2'># synthetic example
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<endfold id='1'></endfold id='1'>to_upper=$(shell,echo $(1) | tr [:lower:] [:upper:])
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<beginfold id='1'>config</beginfold id='1'> ARGS_$(to_upper,$(CC))
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string "Arguments for the current compiler \"$(CC)\""
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<beginfold id='2'>help</beginfold id='2'>
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This is a bad idea.
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See <file:Documentation/completely/made-up.rst>
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<endfold id='2'></endfold id='2'># binary operator in expression of an if statement
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<endfold id='1'></endfold id='1'><beginfold id='5'>if</beginfold id='5'> CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
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source "drivers/cpufreq/Kconfig"
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<endfold id='5'>endif</endfold id='5'>
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# alert on characters (here a colon) that are ignored (taken from axTLS 2.1.5)
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<beginfold id='1'>config</beginfold id='1'> CONFIG_LUA_CORE
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string "Location of Lua CORE"
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default "/usr/local"
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<beginfold id='2'>help</beginfold id='2'>:
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If the Lua exists on another directory then this needs to be changed
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<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:"
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depends on A_BOOL
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# "boolean" is now a free variable name ...
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<endfold id='1'></endfold id='1'>boolean=foo
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# ... but it looks like a bad idea. This may be disputed.
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<beginfold id='1'>menuconfig</beginfold id='1'> MODULES
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bool "Enable loadable module support"
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modules
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# the three modern options
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<endfold id='1'></endfold id='1'><beginfold id='1'>config</beginfold id='1'> OPTIONS
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option allnoconfig_y
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option modules
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option defconfig_list
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# old option "env" and obsolete custom options
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<endfold id='1'></endfold id='1'><beginfold id='1'>config</beginfold id='1'> OPTIONS
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option env=ARCH
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option custom-without-argument
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option custom-with-argument=ABC
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# old syntax
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<endfold id='1'></endfold id='1'><beginfold id='4'>menu</beginfold id='4'> OLD_STYLE_PROMPT
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visible if CPU_SUPPORTS_CPUFREQ
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# busybox 1.31.1
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source libbb/Config.in
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# uClibc-ng-1.0.37
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<beginfold id='1'>config</beginfold id='1'> DESIRED_TARGET_ARCH
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string
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option env="ARCH"
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<endfold id='1'></endfold id='1'><beginfold id='1'>config</beginfold id='1'> OLD_HELP
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hex
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<beginfold id='2'>---help---</beginfold id='2'>
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old help property
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<endfold id='2'></endfold id='2'>default 0x1CEC0FEE
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<endfold id='1'></endfold id='1'><endfold id='4'>endmenu</endfold id='4'>
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# a few errors
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allnoconfig_y
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bool
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def_bool
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def_tristate
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default
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defconfig_list
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depends
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endchoice
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endif
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help
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hex
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imply
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int
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mainmenu
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modules
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on
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option
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optional
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prompt
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range
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select
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string
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tristate
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visible
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<beginfold id='1'>config</beginfold id='1'> OK
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bool "still OK"
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<beginfold id='2'>help</beginfold id='2'>
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still OK
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<endfold id='2'></endfold id='2'>now=fail
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<endfold id='1'></endfold id='1'>andNow=OK
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