70f72c8022
Reported-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
114 lines
4.2 KiB
Plaintext
114 lines
4.2 KiB
Plaintext
# Config entries for internal toolchain backend
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if BR2_TOOLCHAIN_BUILDROOT
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comment "Toolchain Buildroot Options"
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config BR2_TOOLCHAIN_BUILDROOT_VENDOR
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string "custom toolchain vendor name"
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default "buildroot"
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help
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This option allows to customize the "vendor" part of the
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toolchain tuple, where the toolchain tuple has the form
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<arch>-<vendor>-<os>-<libc>. The default value, "buildroot",
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is fine for most cases, except in very specific situations
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where gcc might make different decisions based on the vendor
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part of the tuple. The value "unknown" is not allowed, as the
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cross-compiling toolchain might then be confused with the
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native toolchain when the target and host architecture are
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identical. The value can not be empty either.
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If you're not sure, just leave the default "buildroot" value.
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choice
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prompt "C library"
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default BR2_TOOLCHAIN_BUILDROOT_UCLIBC
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default BR2_TOOLCHAIN_BUILDROOT_GLIBC if BR2_powerpc64
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config BR2_TOOLCHAIN_BUILDROOT_UCLIBC
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bool "uClibc-ng"
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depends on BR2_aarch64 || BR2_aarch64_be || BR2_arcle || BR2_arceb || \
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BR2_arm || BR2_armeb || \
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BR2_i386 || BR2_m68k || BR2_microblaze || \
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BR2_mips || BR2_mipsel || BR2_mips64 || BR2_mips64el || \
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BR2_or1k || BR2_powerpc || BR2_sh2a || BR2_sh4 || \
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BR2_sh4eb || BR2_sparc || BR2_xtensa || BR2_x86_64
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select BR2_TOOLCHAIN_USES_UCLIBC
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help
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This option selects uClibc-ng as the C library for the
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cross-compilation toolchain.
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http://uclibc-ng.org
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config BR2_TOOLCHAIN_BUILDROOT_GLIBC
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bool "glibc"
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depends on BR2_arm || BR2_armeb || BR2_aarch64 || \
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BR2_aarch64_be || BR2_i386 || BR2_mips || \
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BR2_mipsel || BR2_mips64 || BR2_mips64el|| \
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BR2_powerpc || BR2_powerpc64 || BR2_powerpc64le || \
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BR2_riscv || BR2_sh || BR2_sparc64 || \
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BR2_x86_64 || BR2_microblaze || BR2_nios2 || \
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(BR2_arcle && BR2_ARC_ATOMIC_EXT) || BR2_csky
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depends on BR2_USE_MMU
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depends on !BR2_STATIC_LIBS
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depends on BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_2
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depends on BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_10 || !BR2_powerpc64le
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depends on BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_5 || !BR2_MIPS_NAN_2008
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depends on !BR2_powerpc_SPE
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depends on BR2_RISCV_ISA_RVA || !BR2_riscv
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select BR2_TOOLCHAIN_USES_GLIBC
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# our glibc.mk enables RPC support
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select BR2_TOOLCHAIN_HAS_NATIVE_RPC
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help
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This option selects glibc as the C library for the
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cross-compilation toolchain.
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http://www.gnu.org/software/libc/
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comment "glibc needs a toolchain w/ dynamic library, kernel headers >= 3.2"
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depends on BR2_USE_MMU
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depends on BR2_STATIC_LIBS || !BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_2
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# glibc >= 2.26 require kernel headers >= 3.10 on powerpc64le.
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comment "glibc on powerpc64le needs a toolchain w/ headers >= 3.10"
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depends on BR2_powerpc64le
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depends on !BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_10
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# Support for MIPS NAN2008 needs headers >= 4.5
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comment "glibc on MIPS w/ NAN2008 needs a toolchain w/ headers >= 4.5"
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depends on BR2_MIPS_NAN_2008
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depends on !BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_5
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config BR2_TOOLCHAIN_BUILDROOT_MUSL
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bool "musl"
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depends on BR2_aarch64 || BR2_arm || BR2_armeb || BR2_i386 || \
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BR2_microblaze || BR2_mips || BR2_mipsel || BR2_mips64 || \
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BR2_mips64el || BR2_or1k || BR2_powerpc || BR2_powerpc64 || \
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BR2_powerpc64le || BR2_RISCV_64 || BR2_sh || BR2_x86_64
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depends on !BR2_powerpc_SPE # not supported, build breaks
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# sh2 nommu is supported by musl, but we don't have support
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# for it in Buildroot.
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depends on BR2_USE_MMU
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select BR2_TOOLCHAIN_USES_MUSL
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help
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This option selects musl as the C library for the
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cross-compilation toolchain.
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endchoice
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config BR2_TOOLCHAIN_BUILDROOT_LIBC
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string
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default "uclibc" if BR2_TOOLCHAIN_BUILDROOT_UCLIBC
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default "glibc" if BR2_TOOLCHAIN_BUILDROOT_GLIBC
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default "musl" if BR2_TOOLCHAIN_BUILDROOT_MUSL
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source "package/linux-headers/Config.in.host"
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source "package/linux-headers/Config.in"
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source "package/musl/Config.in"
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source "package/uclibc/Config.in"
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source "package/glibc/Config.in"
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source "package/binutils/Config.in.host"
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source "package/gcc/Config.in.host"
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source "package/elf2flt/Config.in.host"
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endif
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