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domenico
379
toolchain/Config.in
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379
toolchain/Config.in
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# Copyright (C) 2006-2013 OpenWrt.org
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#
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# This is free software, licensed under the GNU General Public License v2.
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# See /LICENSE for more information.
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#
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menuconfig TARGET_OPTIONS
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bool "Target Options" if DEVEL
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config TARGET_OPTIMIZATION
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string "Target Optimizations" if TARGET_OPTIONS
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default DEFAULT_TARGET_OPTIMIZATION
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help
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Optimizations to use when building for the target host.
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config SOFT_FLOAT
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bool "Use software floating point by default" if TARGET_OPTIONS
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default y if !HAS_FPU
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depends on arm || armeb || powerpc || mipsel || mips || mips64el || mips64
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help
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If your target CPU does not have a Floating Point Unit (FPU) or a
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kernel FPU emulator, but you still wish to support floating point
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functions, then everything will need to be compiled with soft floating
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point support (-msoft-float).
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Most people will answer N.
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config USE_MIPS16
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bool "Build packages with MIPS16 instructions" if TARGET_OPTIONS
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depends on HAS_MIPS16
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default y
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help
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If your target CPU does support the MIPS16 instruction set
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and you want to use it for packages, enable this option.
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MIPS16 produces smaller binaries thus reducing pressure on
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caches and TLB.
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Most people will answer N.
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choice BPF_TOOLCHAIN
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prompt "BPF toolchain" if DEVEL
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default BPF_TOOLCHAIN_BUILD_LLVM if BUILDBOT
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default BPF_TOOLCHAIN_PREBUILT if HAS_PREBUILT_LLVM_TOOLCHAIN
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default BPF_TOOLCHAIN_NONE
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config BPF_TOOLCHAIN_NONE
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bool "None"
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config BPF_TOOLCHAIN_PREBUILT
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bool "Use prebuilt LLVM toolchain"
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depends on HAS_PREBUILT_LLVM_TOOLCHAIN
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select USE_LLVM_PREBUILT
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config BPF_TOOLCHAIN_HOST
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select USE_LLVM_HOST
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bool "Use host LLVM toolchain"
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config BPF_TOOLCHAIN_BUILD_LLVM
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select USE_LLVM_BUILD
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bool "Build LLVM toolchain for eBPF"
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help
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If enabled, a LLVM toolchain for building eBPF binaries will be built.
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If this is not enabled, eBPF packages can only be built if the host
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has a suitable toolchain
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endchoice
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config BPF_TOOLCHAIN_HOST_PATH
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string
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depends on BPF_TOOLCHAIN_HOST
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prompt "Host LLVM toolchain path (prefix)" if DEVEL
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default "/usr/local/opt/llvm" if HOST_OS_MACOS
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default ""
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menuconfig EXTERNAL_TOOLCHAIN
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bool
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prompt "Use external toolchain" if DEVEL
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help
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If enabled, the buildroot will compile using an existing toolchain instead of
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compiling one.
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config NATIVE_TOOLCHAIN
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bool
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prompt "Use host's toolchain" if DEVEL
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depends on EXTERNAL_TOOLCHAIN
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select NO_STRIP
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help
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If enabled, the buildroot will compile using the native toolchain for your
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host instead of compiling one.
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config TARGET_NAME
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string
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prompt "Target name" if DEVEL
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depends on EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN
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default "aarch64-unknown-linux-gnu" if aarch64
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default "aarch64_be-unknown-linux-gnu" if aarch64_be
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default "arm-unknown-linux-gnu" if arm
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default "armeb-unknown-linux-gnu" if armeb
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default "i486-unknown-linux-gnu" if i386
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default "loongarch64-unknown-linux-gnu" if loongarch64
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default "mips-unknown-linux-gnu" if mips
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default "mipsel-unknown-linux-gnu" if mipsel
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default "powerpc-unknown-linux-gnu" if powerpc
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default "x86_64-unknown-linux-gnu" if x86_64
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config TOOLCHAIN_PREFIX
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string
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prompt "Toolchain prefix" if DEVEL
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depends on EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN
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default "aarch64-unknown-linux-gnu" if aarch64
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default "aarch64_be-unknown-linux-gnu" if aarch64_be
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default "arm-unknown-linux-gnu-" if arm
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default "armeb-unknown-linux-gnu-" if armeb
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default "i486-unknown-linux-gnu-" if i386
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default "loongarch64-unknown-linux-gnu-" if loongarch64
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default "mips-unknown-linux-gnu-" if mips
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default "mipsel-unknown-linux-gnu-" if mipsel
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default "powerpc-unknown-linux-gnu-" if powerpc
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default "x86_64-unknown-linux-gnu-" if x86_64
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config TOOLCHAIN_ROOT
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string
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prompt "Toolchain root" if DEVEL
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depends on EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN
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default "/opt/cross/aarch64-unknown-linux-gnu" if aarch64
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default "/opt/cross/aarch64_be-unknown-linux-gnu" if aarch64_be
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default "/opt/cross/arm-unknown-linux-gnu" if arm
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default "/opt/cross/armeb-unknown-linux-gnu" if armeb
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default "/opt/cross/i486-unknown-linux-gnu" if i386
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default "/opt/cross/loongarch64-unknown-linux-gnu" if loongarch64
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default "/opt/cross/mips-unknown-linux-gnu" if mips
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default "/opt/cross/mipsel-unknown-linux-gnu" if mipsel
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default "/opt/cross/powerpc-unknown-linux-gnu" if powerpc
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default "/opt/cross/x86_64-unknown-linux-gnu" if x86_64
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choice TOOLCHAIN_LIBC_TYPE
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prompt "Toolchain libc" if DEVEL
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depends on EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN
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default EXTERNAL_TOOLCHAIN_LIBC_USE_MUSL
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help
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Specify the libc type used by the external toolchain. The given value
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is passed as -m flag to all gcc and g++ invocations. This is mainly
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intended for multilib toolchains which support glibc and uclibc at
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the same time. If no value is specified, no -m flag is passed.
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config EXTERNAL_TOOLCHAIN_LIBC_USE_GLIBC
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bool "glibc"
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select USE_GLIBC
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config EXTERNAL_TOOLCHAIN_LIBC_USE_MUSL
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bool "musl"
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select USE_MUSL
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endchoice
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config EXTERNAL_GCC_VERSION
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string
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prompt "External Toolchain GCC Version" if DEVEL
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depends on EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN
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help
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Manually specify the GCC version used by the selected
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external toolchain.
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config TOOLCHAIN_LIBC
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string
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depends on EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN
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default "glibc" if EXTERNAL_TOOLCHAIN_LIBC_USE_GLIBC
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default "musl" if EXTERNAL_TOOLCHAIN_LIBC_USE_MUSL
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config TOOLCHAIN_BIN_PATH
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string
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prompt "Toolchain program path" if DEVEL
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depends on EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN
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default "./usr/bin ./bin"
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help
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Specify additional directories searched for toolchain binaries
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(override PATH). Use ./DIR for directories relative to the root above.
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config TOOLCHAIN_INC_PATH
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string
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prompt "Toolchain include path" if DEVEL
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depends on EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN
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default "./usr/include ./include/fortify ./include" if EXTERNAL_TOOLCHAIN_LIBC_USE_MUSL
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default "./usr/include ./include"
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help
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Specify additional directories searched for header files (override
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CPPFLAGS). Use ./DIR for directories relative to the root above.
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config TOOLCHAIN_LIB_PATH
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string
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prompt "Toolchain library path" if DEVEL
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depends on EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN
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default "./usr/lib ./lib"
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help
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Specify additional directories searched for libraries (override LDFLAGS).
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Use ./DIR for directories relative to the root above.
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config NEED_TOOLCHAIN
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bool
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depends on DEVEL
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default y if !EXTERNAL_TOOLCHAIN
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menuconfig TOOLCHAINOPTS
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bool "Toolchain Options" if DEVEL
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depends on NEED_TOOLCHAIN
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menuconfig EXTRA_TARGET_ARCH
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bool
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prompt "Enable an extra toolchain target architecture" if TOOLCHAINOPTS
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depends on !sparc
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help
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Some builds may require a 'biarch' toolchain. This option
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allows you to specify an additional target arch.
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Most people will answer N here.
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config EXTRA_TARGET_ARCH_NAME
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string
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prompt "Extra architecture name" if EXTRA_TARGET_ARCH
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help
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Specify the cpu name (eg powerpc64 or x86_64) of the
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additional target architecture.
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config EXTRA_TARGET_ARCH_OPTS
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string
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prompt "Extra architecture compiler options" if EXTRA_TARGET_ARCH
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help
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If you're specifying an addition target architecture,
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you'll probably need to also provide options to make
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the compiler use this alternate arch.
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For example, if you're building a compiler that can build
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both powerpc and powerpc64 binaries, you'll need to
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specify -m64 here.
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choice
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prompt "MIPS64 user-land ABI" if TOOLCHAINOPTS && (mips64 || mips64el)
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default MIPS64_ABI_N64
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help
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MIPS64 supports 3 different user-land ABIs: o32 (legacy),
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n32 and n64.
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config MIPS64_ABI_N64
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bool "n64"
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config MIPS64_ABI_N32
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depends on !LIBC_USE_MUSL
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bool "n32"
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config MIPS64_ABI_O32
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bool "o32"
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endchoice
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comment "Binary tools"
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depends on TOOLCHAINOPTS
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source "toolchain/binutils/Config.in"
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config DWARVES
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bool
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prompt "Build pahole" if TOOLCHAINOPTS
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depends on !HOST_OS_MACOS
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help
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Enable if you want to build pahole and the dwarves tools.
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comment "Compiler"
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depends on TOOLCHAINOPTS
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source "toolchain/gcc/Config.in"
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config NASM
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bool
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depends on ( i386 || x86_64 )
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prompt "Build nasm" if TOOLCHAINOPTS
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default y
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help
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Enable if you want to build nasm
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comment "C Library"
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depends on TOOLCHAINOPTS
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choice
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prompt "C Library implementation" if TOOLCHAINOPTS
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default LIBC_USE_GLIBC if arc
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default LIBC_USE_MUSL
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help
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Select the C library implementation.
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config LIBC_USE_GLIBC
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bool "Use glibc"
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select USE_GLIBC
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config LIBC_USE_MUSL
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select USE_MUSL
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bool "Use musl"
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depends on !arc
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endchoice
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source "toolchain/musl/Config.in"
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comment "Debuggers"
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depends on TOOLCHAINOPTS
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config GDB
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bool
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prompt "Build gdb" if TOOLCHAINOPTS
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default y if !EXTERNAL_TOOLCHAIN
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help
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Enable if you want to build the gdb.
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config GDB_PYTHON
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bool
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depends on GDB
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prompt "Build gdb with python binding"
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help
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Enable the python bindings for GDB to allow using python in the gdb shell.
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config HAS_BPF_TOOLCHAIN
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bool
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config HAS_PREBUILT_LLVM_TOOLCHAIN
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def_bool $(shell, [ -f llvm-bpf/.llvm-version ] && echo y || echo n)
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config USE_LLVM_HOST
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select HAS_BPF_TOOLCHAIN
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bool
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config USE_LLVM_PREBUILT
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select HAS_BPF_TOOLCHAIN
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default y if !DEVEL && !BUILDBOT && HAS_PREBUILT_LLVM_TOOLCHAIN
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bool
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config USE_LLVM_BUILD
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default y if !DEVEL && BUILDBOT
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select HAS_BPF_TOOLCHAIN
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bool
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config USE_GLIBC
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default y if !TOOLCHAINOPTS && !EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN && (arc)
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bool
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config USE_MUSL
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default y if !TOOLCHAINOPTS && !EXTERNAL_TOOLCHAIN && !NATIVE_TOOLCHAIN && !(arc)
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bool
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config SSP_SUPPORT
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default y if !PKG_CC_STACKPROTECTOR_NONE
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bool
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config USE_EXTERNAL_LIBC
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bool
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default y if EXTERNAL_TOOLCHAIN || NATIVE_TOOLCHAIN
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source "toolchain/binutils/Config.version"
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source "toolchain/gcc/Config.version"
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config LIBC
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string
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default "glibc" if USE_GLIBC
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default "musl" if USE_MUSL
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config TARGET_SUFFIX
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string
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default "gnueabi" if USE_GLIBC && (arm || armeb)
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default "gnu" if USE_GLIBC && !(arm || armeb)
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default "muslgnueabi" if USE_MUSL && (arm || armeb)
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default "musl" if USE_MUSL && !(arm || armeb)
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config MIPS64_ABI
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depends on mips64 || mips64el
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string
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default "64" if MIPS64_ABI_N64
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default "n32" if MIPS64_ABI_N32
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default "32" if MIPS64_ABI_O32
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default "64"
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