8520058ac0
While building host-rust with a musl based toolchain without C++ compiler, the build fail since libunwind bundled in rust sources needs a C++ compiler. cargo:warning=i686-buildroot-linux-musl-gcc.br_real: error: [...]/host-rust-1.62.0/src/llvm-project/libunwind/src/Unwind-EHABI.cpp: C++ compiler not installed on this system Note: the issues can't be reproduced with a glibc based toolchain without C++ probaly due to extra steps required to support musl libc. We could add the C++ dependency direclty to host-rustc but it would requires adding the C++ reverse dependencies to all rust packages. Instread, we add the C++ dependency to BR2_PACKAGE_HOST_RUSTC_TARGET_ARCH_SUPPORTS only when a musl toolchain is used. So we can still install a prebuilt rust compiler but without the rust standard library (rust-std). Usually we should not add toolchain dependencies in a _ARCH_SUPPORTS option but BR2_PACKAGE_HOST_RUSTC_TARGET_TIER... options contains already some BR2_TOOLCHAIN_USES_GLIBC or BR2_TOOLCHAIN_USES_MUSL. Fixes: http://autobuild.buildroot.org/results/636/636fb39c8f1b8c05e4ca451ac506cd63c7166d82 Signed-off-by: Romain Naour <romain.naour@smile.fr> Reviewed-by: Nicolas Tran <nicolas.tran@smile.fr> Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
187 lines
7.5 KiB
Plaintext
187 lines
7.5 KiB
Plaintext
# All host rust packages should depend on this option
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config BR2_PACKAGE_HOST_RUSTC_ARCH_SUPPORTS
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bool
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default y if BR2_HOSTARCH = "aarch64"
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default y if BR2_HOSTARCH = "mips"
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default y if BR2_HOSTARCH = "mipsel"
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default y if BR2_HOSTARCH = "powerpc"
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default y if BR2_HOSTARCH = "powerpc64"
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default y if BR2_HOSTARCH = "powerpc64le"
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default y if BR2_HOSTARCH = "riscv64"
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default y if BR2_HOSTARCH = "s390x"
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default y if BR2_HOSTARCH = "x86"
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default y if BR2_HOSTARCH = "x86_64"
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# The pre-built Rust standard library is only available for a number
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# of architectures/C libraries combinations, with different levels of
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# support: Tier 1 platforms, Tier 2 platforms with host tools, Tier 2
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# platforms, Tier 3 platforms. Below, we support Tier 1, Tier 2 with
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# host tools and Tier 2 platforms.
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# The below entries match Tier 1 platforms as described at
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# https://doc.rust-lang.org/nightly/rustc/platform-support.html.
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config BR2_PACKAGE_HOST_RUSTC_TARGET_TIER1_PLATFORMS
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bool
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# aarch64-unknown-linux-gnu
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default y if BR2_aarch64 && BR2_TOOLCHAIN_USES_GLIBC
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# i686-unknown-linux-gnu
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default y if (BR2_x86_i686 || BR2_x86_pentiumpro || BR2_X86_CPU_HAS_MMX) && BR2_TOOLCHAIN_USES_GLIBC
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# x86_64-unknown-linux-gnu
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default y if BR2_x86_64 && BR2_TOOLCHAIN_USES_GLIBC
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# The below entries match Tier 2 platforms with host tools as
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# described at
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# https://doc.rust-lang.org/nightly/rustc/platform-support.html.
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config BR2_PACKAGE_HOST_RUSTC_TARGET_TIER2_HOST_TOOLS_PLATFORMS
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bool
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# aarch64-unknown-linux-musl
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default y if BR2_aarch64 && BR2_TOOLCHAIN_USES_MUSL
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# arm-unknown-linux-gnueabi
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default y if BR2_ARM_CPU_ARMV6 && BR2_ARM_EABI && BR2_TOOLCHAIN_USES_GLIBC
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# arm-unknown-linux-gnueabihf
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default y if BR2_ARM_CPU_ARMV6 && BR2_ARM_EABIHF && BR2_TOOLCHAIN_USES_GLIBC
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# armv7-unknown-linux-gnueabihf
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default y if BR2_ARM_CPU_ARMV7A && BR2_ARM_EABIHF && BR2_TOOLCHAIN_USES_GLIBC
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# armv7-unknown-linux-gnueabihf for armv8 hardware with 32-bit
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# userspace
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default y if BR2_arm && BR2_ARM_CPU_ARMV8A && BR2_ARM_EABIHF && BR2_TOOLCHAIN_USES_GLIBC
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# mips-unknown-linux-gnu
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default y if BR2_mips && BR2_TOOLCHAIN_USES_GLIBC && !BR2_MIPS_CPU_MIPS32R6
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# mips64-unknown-linux-gnuabi64
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default y if BR2_mips64 && BR2_TOOLCHAIN_USES_GLIBC && BR2_MIPS_NABI64 && !BR2_MIPS_CPU_MIPS64R6
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# mipsel-unknown-linux-gnu
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default y if BR2_mipsel && BR2_TOOLCHAIN_USES_GLIBC && !BR2_MIPS_CPU_MIPS32R6
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# mips64el-unknown-linux-gnuabi64
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default y if BR2_mips64el && BR2_TOOLCHAIN_USES_GLIBC && BR2_MIPS_NABI64 && !BR2_MIPS_CPU_MIPS64R6
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# powerpc-unknown-linux-gnu
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default y if BR2_powerpc && BR2_TOOLCHAIN_USES_GLIBC
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# powerpc64-unknown-linux-gnu
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default y if BR2_powerpc64 && BR2_TOOLCHAIN_USES_GLIBC
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# powerpc64le-unknown-linux-gnu
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default y if BR2_powerpc64le && BR2_TOOLCHAIN_USES_GLIBC
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# riscv64gc-unknown-linux-gnu
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# "g" stands for imafd, and we also need "c".
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default y if BR2_RISCV_64 && BR2_RISCV_ISA_RVI && BR2_RISCV_ISA_RVM && \
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BR2_RISCV_ISA_RVA && BR2_RISCV_ISA_RVF && \
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BR2_RISCV_ISA_RVD && BR2_RISCV_ISA_RVC && \
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BR2_TOOLCHAIN_USES_GLIBC
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# s390x-unknown-linux-gnu
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default y if BR2_s390x && BR2_TOOLCHAIN_USES_GLIBC
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# x86_64-unknown-linux-musl
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default y if BR2_x86_64 && BR2_TOOLCHAIN_USES_MUSL
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# The below entries match Tier 2 platforms without host tools as
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# described at
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# https://doc.rust-lang.org/nightly/rustc/platform-support.html.
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config BR2_PACKAGE_HOST_RUSTC_TARGET_TIER2_PLATFORMS
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bool
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# arm-unknown-linux-musleabi
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default y if BR2_ARM_CPU_ARMV6 && BR2_ARM_EABI && BR2_TOOLCHAIN_USES_MUSL
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# arm-unknown-linux-musleabihf
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default y if BR2_ARM_CPU_ARMV6 && BR2_ARM_EABIHF && BR2_TOOLCHAIN_USES_MUSL
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# armv5te-unknown-linux-gnueabi
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default y if BR2_ARM_CPU_ARMV5 && BR2_ARM_EABI && BR2_TOOLCHAIN_USES_GLIBC
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# armv5te-unknown-linux-musleabi
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default y if BR2_ARM_CPU_ARMV5 && BR2_ARM_EABI && BR2_TOOLCHAIN_USES_MUSL
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# armv7-unknown-linux-gnueabi
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default y if BR2_ARM_CPU_ARMV7A && BR2_ARM_EABI && BR2_TOOLCHAIN_USES_GLIBC
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# armv7-unknown-linux-musleabi
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default y if BR2_ARM_CPU_ARMV7A && BR2_ARM_EABI && BR2_TOOLCHAIN_USES_MUSL
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# armv7-unknown-linux-musleabihf
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default y if BR2_ARM_CPU_ARMV7A && BR2_ARM_EABIHF && BR2_TOOLCHAIN_USES_MUSL
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# armv7-unknown-linux-musleabihf for armv8 hardware with 32-bit
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# userspace
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default y if BR2_arm && BR2_ARM_CPU_ARMV8A && BR2_ARM_EABIHF && BR2_TOOLCHAIN_USES_MUSL
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# i586-unknown-linux-gnu
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default y if BR2_x86_i586 && BR2_TOOLCHAIN_USES_GLIBC
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# i586-unknown-linux-musl
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default y if BR2_x86_i586 && BR2_TOOLCHAIN_USES_MUSL
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# i686-unknown-linux-musl
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default y if (BR2_x86_i686 || BR2_x86_pentiumpro || BR2_X86_CPU_HAS_MMX) && BR2_TOOLCHAIN_USES_MUSL
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# mips-unknown-linux-musl
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default y if BR2_mips && BR2_TOOLCHAIN_USES_MUSL && !BR2_MIPS_CPU_MIPS32R6
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# mips64-unknown-linux-muslabi64
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default y if BR2_mips64 && BR2_TOOLCHAIN_USES_MUSL && BR2_MIPS_NABI64 && !BR2_MIPS_CPU_MIPS64R6
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# mips64el-unknown-linux-muslabi64
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default y if BR2_mips64el && BR2_TOOLCHAIN_USES_MUSL && BR2_MIPS_NABI64 && !BR2_MIPS_CPU_MIPS64R6
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# mipsel-unknown-linux-musl
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default y if BR2_mipsel && BR2_TOOLCHAIN_USES_MUSL && !BR2_MIPS_CPU_MIPS32R6
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# sparc64-unknown-linux-gnu
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default y if BR2_sparc64 && BR2_TOOLCHAIN_USES_GLIBC
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# All target rust packages should depend on this option
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# Note: With musl based toolchain, we need a C++ cross compiler to
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# build host-rust some target libraries (libunwind) from llvm source
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# code bundled in rust sources.
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config BR2_PACKAGE_HOST_RUSTC_TARGET_ARCH_SUPPORTS
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bool
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default y if BR2_PACKAGE_HOST_RUSTC_TARGET_TIER1_PLATFORMS
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default y if BR2_PACKAGE_HOST_RUSTC_TARGET_TIER2_HOST_TOOLS_PLATFORMS
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default y if BR2_PACKAGE_HOST_RUSTC_TARGET_TIER2_PLATFORMS
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depends on BR2_INSTALL_LIBSTDCPP || !BR2_TOOLCHAIN_USES_MUSL
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depends on BR2_PACKAGE_HOST_RUSTC_ARCH_SUPPORTS
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config BR2_PACKAGE_HOST_RUSTC_ARCH
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string
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default "armv5te" if BR2_ARM_CPU_ARMV5
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default "arm" if BR2_ARM_CPU_ARMV6
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default "armv7" if BR2_ARM_CPU_ARMV7A
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default "armv7" if BR2_ARM_CPU_ARMV7A || (BR2_arm && BR2_ARM_CPU_ARMV8A)
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default "riscv64gc" if BR2_RISCV_64
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default BR2_ARCH
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config BR2_PACKAGE_HOST_RUSTC_ABI
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string
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default "eabi" if BR2_ARM_EABI
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default "eabihf" if BR2_ARM_EABIHF
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default "abi64" if BR2_MIPS_NABI64
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config BR2_PACKAGE_HOST_RUSTC
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bool "host rustc"
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depends on BR2_PACKAGE_HOST_RUSTC_ARCH_SUPPORTS
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help
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Compiler for the Rust language
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http://www.rust-lang.org
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if BR2_PACKAGE_HOST_RUSTC
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choice
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prompt "Rust compiler variant"
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default BR2_PACKAGE_HOST_RUST_BIN
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help
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Select a Rust compiler
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config BR2_PACKAGE_HOST_RUST
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bool "host rust"
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# RUSTC_TARGET_NAME must be set for building host-rust
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# otherwise config.toml is broken.
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depends on BR2_PACKAGE_HOST_RUSTC_TARGET_ARCH_SUPPORTS
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# triggers ICE on trunc_int_for_mode, at explow.c:56
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depends on BR2_TOOLCHAIN_GCC_AT_LEAST_5 || !BR2_aarch64
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help
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This package will build the compiler for the host as well as
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two flavors of the standard library: one for the host, another
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for the target. Both are installed in the host directory.
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comment "host-rust needs a toolchain w/ gcc >= 5"
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depends on BR2_aarch64
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depends on !BR2_TOOLCHAIN_GCC_AT_LEAST_5
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config BR2_PACKAGE_HOST_RUST_BIN
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bool "host rust (pre-built)"
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help
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This package will install pre-built versions of the compiler
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for the host and the Rust standard library for the target.
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endchoice
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endif
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config BR2_PACKAGE_PROVIDES_HOST_RUSTC
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string
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default "host-rust" if BR2_PACKAGE_HOST_RUST
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# Default to host-rust-bin as long as host arch supports it
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default "host-rust-bin" if !BR2_PACKAGE_HOST_RUST
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depends on BR2_PACKAGE_HOST_RUSTC_ARCH_SUPPORTS
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