581524e537
Note that parallel-compiler = true causes tests to fail Mentioning #75760.
609 lines
24 KiB
Plaintext
609 lines
24 KiB
Plaintext
# Sample TOML configuration file for building Rust.
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#
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# To configure rustbuild, copy this file to the directory from which you will be
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# running the build, and name it config.toml.
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#
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# All options are commented out by default in this file, and they're commented
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# out with their default values. The build system by default looks for
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# `config.toml` in the current directory of a build for build configuration, but
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# a custom configuration file can also be specified with `--config` to the build
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# system.
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# =============================================================================
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# Tweaking how LLVM is compiled
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# =============================================================================
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[llvm]
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# Whether to use Rust CI built LLVM instead of locally building it.
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#
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# Unless you're developing for a target where Rust CI doesn't build a compiler
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# toolchain or changing LLVM locally, you probably want to set this to true.
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#
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# It's currently false by default due to being newly added; please file bugs if
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# enabling this did not work for you on Linux (macOS and Windows support is
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# coming soon).
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#
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# We also currently only support this when building LLVM for the build triple.
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#
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# Note that many of the LLVM options are not currently supported for
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# downloading. Currently only the "assertions" option can be toggled.
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#download-ci-llvm = false
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# Indicates whether LLVM rebuild should be skipped when running bootstrap. If
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# this is `false` then the compiler's LLVM will be rebuilt whenever the built
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# version doesn't have the correct hash. If it is `true` then LLVM will never
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# be rebuilt. The default value is `false`.
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#skip-rebuild = false
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# Indicates whether the LLVM build is a Release or Debug build
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#optimize = true
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# Indicates whether LLVM should be built with ThinLTO. Note that this will
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# only succeed if you use clang, lld, llvm-ar, and llvm-ranlib in your C/C++
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# toolchain (see the `cc`, `cxx`, `linker`, `ar`, and `ranlib` options below).
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# More info at: https://clang.llvm.org/docs/ThinLTO.html#clang-bootstrap
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#thin-lto = false
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# Indicates whether an LLVM Release build should include debug info
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#release-debuginfo = false
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# Indicates whether the LLVM assertions are enabled or not
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#assertions = false
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# Indicates whether ccache is used when building LLVM
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#ccache = false
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# or alternatively ...
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#ccache = "/path/to/ccache"
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# If an external LLVM root is specified, we automatically check the version by
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# default to make sure it's within the range that we're expecting, but setting
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# this flag will indicate that this version check should not be done.
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#version-check = true
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# Link libstdc++ statically into the rustc_llvm instead of relying on a
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# dynamic version to be available.
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#static-libstdcpp = false
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# Whether to use Ninja to build LLVM. This runs much faster than make.
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#ninja = true
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# LLVM targets to build support for.
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# Note: this is NOT related to Rust compilation targets. However, as Rust is
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# dependent on LLVM for code generation, turning targets off here WILL lead to
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# the resulting rustc being unable to compile for the disabled architectures.
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# Also worth pointing out is that, in case support for new targets are added to
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# LLVM, enabling them here doesn't mean Rust is automatically gaining said
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# support. You'll need to write a target specification at least, and most
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# likely, teach rustc about the C ABI of the target. Get in touch with the
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# Rust team and file an issue if you need assistance in porting!
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#targets = "AArch64;ARM;Hexagon;MSP430;Mips;NVPTX;PowerPC;RISCV;Sparc;SystemZ;WebAssembly;X86"
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# LLVM experimental targets to build support for. These targets are specified in
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# the same format as above, but since these targets are experimental, they are
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# not built by default and the experimental Rust compilation targets that depend
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# on them will not work unless the user opts in to building them.
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#experimental-targets = "AVR"
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# Cap the number of parallel linker invocations when compiling LLVM.
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# This can be useful when building LLVM with debug info, which significantly
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# increases the size of binaries and consequently the memory required by
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# each linker process.
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# If absent or 0, linker invocations are treated like any other job and
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# controlled by rustbuild's -j parameter.
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#link-jobs = 0
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# When invoking `llvm-config` this configures whether the `--shared` argument is
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# passed to prefer linking to shared libraries.
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#link-shared = false
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# When building llvm, this configures what is being appended to the version.
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# The default is "-rust-$version-$channel", except for dev channel where rustc
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# version number is omitted. To use LLVM version as is, provide an empty string.
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#version-suffix = "-rust-dev"
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# On MSVC you can compile LLVM with clang-cl, but the test suite doesn't pass
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# with clang-cl, so this is special in that it only compiles LLVM with clang-cl
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#clang-cl = '/path/to/clang-cl.exe'
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# Pass extra compiler and linker flags to the LLVM CMake build.
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#cflags = "-fextra-flag"
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#cxxflags = "-fextra-flag"
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#ldflags = "-Wl,extra-flag"
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# Use libc++ when building LLVM instead of libstdc++. This is the default on
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# platforms already use libc++ as the default C++ library, but this option
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# allows you to use libc++ even on platforms when it's not. You need to ensure
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# that your host compiler ships with libc++.
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#use-libcxx = true
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# The value specified here will be passed as `-DLLVM_USE_LINKER` to CMake.
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#use-linker = "lld"
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# Whether or not to specify `-DLLVM_TEMPORARILY_ALLOW_OLD_TOOLCHAIN=YES`
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#allow-old-toolchain = false
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# =============================================================================
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# General build configuration options
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# =============================================================================
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[build]
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# Build triple for the original snapshot compiler. This must be a compiler that
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# nightlies are already produced for. The current platform must be able to run
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# binaries of this build triple and the nightly will be used to bootstrap the
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# first compiler.
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#
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# Defaults to host platform
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#build = "x86_64-unknown-linux-gnu"
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# Which triples to produce a compiler toolchain for. Each of these triples will
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# be bootstrapped from the build triple themselves.
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#
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# Defaults to just the build triple
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#host = ["x86_64-unknown-linux-gnu"]
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# Which triples to build libraries (core/alloc/std/test/proc_macro) for. Each of
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# these triples will be bootstrapped from the build triple themselves.
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#
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# Defaults to `host`. If you set this explicitly, you likely want to add all
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# host triples to this list as well in order for those host toolchains to be
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# able to compile programs for their native target.
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#target = ["x86_64-unknown-linux-gnu"]
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# Use this directory to store build artifacts.
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# You can use "$ROOT" to indicate the root of the git repository.
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#build-dir = "build"
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# Instead of downloading the src/stage0.txt version of Cargo specified, use
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# this Cargo binary instead to build all Rust code
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#cargo = "/path/to/bin/cargo"
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# Instead of downloading the src/stage0.txt version of the compiler
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# specified, use this rustc binary instead as the stage0 snapshot compiler.
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#rustc = "/path/to/bin/rustc"
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# Instead of download the src/stage0.txt version of rustfmt specified,
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# use this rustfmt binary instead as the stage0 snapshot rustfmt.
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#rustfmt = "/path/to/bin/rustfmt"
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# Flag to specify whether any documentation is built. If false, rustdoc and
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# friends will still be compiled but they will not be used to generate any
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# documentation.
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#docs = true
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# Indicate whether the compiler should be documented in addition to the standard
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# library and facade crates.
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#compiler-docs = false
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# Indicate whether git submodules are managed and updated automatically.
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#submodules = true
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# Update git submodules only when the checked out commit in the submodules differs
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# from what is committed in the main rustc repo.
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#fast-submodules = true
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# The path to (or name of) the GDB executable to use. This is only used for
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# executing the debuginfo test suite.
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#gdb = "gdb"
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# The node.js executable to use. Note that this is only used for the emscripten
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# target when running tests, otherwise this can be omitted.
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#nodejs = "node"
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# Python interpreter to use for various tasks throughout the build, notably
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# rustdoc tests, the lldb python interpreter, and some dist bits and pieces.
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#
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# Defaults to the Python interpreter used to execute x.py
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#python = "python"
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# Force Cargo to check that Cargo.lock describes the precise dependency
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# set that all the Cargo.toml files create, instead of updating it.
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#locked-deps = false
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# Indicate whether the vendored sources are used for Rust dependencies or not
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#vendor = false
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# Typically the build system will build the Rust compiler twice. The second
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# compiler, however, will simply use its own libraries to link against. If you
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# would rather to perform a full bootstrap, compiling the compiler three times,
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# then you can set this option to true. You shouldn't ever need to set this
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# option to true.
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#full-bootstrap = false
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# Enable a build of the extended Rust tool set which is not only the compiler
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# but also tools such as Cargo. This will also produce "combined installers"
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# which are used to install Rust and Cargo together. This is disabled by
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# default. The `tools` option (immediately below) specifies which tools should
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# be built if `extended = true`.
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#extended = false
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# Installs chosen set of extended tools if `extended = true`. By default builds all.
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# If chosen tool failed to build the installation fails. If `extended = false`, this
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# option is ignored.
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#tools = ["cargo", "rls", "clippy", "rustfmt", "analysis", "src"]
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# Verbosity level: 0 == not verbose, 1 == verbose, 2 == very verbose
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#verbose = 0
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# Build the sanitizer runtimes
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#sanitizers = false
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# Build the profiler runtime (required when compiling with options that depend
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# on this runtime, such as `-C profile-generate` or `-Z instrument-coverage`).
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#profiler = false
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# Indicates whether the native libraries linked into Cargo will be statically
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# linked or not.
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#cargo-native-static = false
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# Run the build with low priority, by setting the process group's "nice" value
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# to +10 on Unix platforms, and by using a "low priority" job object on Windows.
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#low-priority = false
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# Arguments passed to the `./configure` script, used during distcheck. You
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# probably won't fill this in but rather it's filled in by the `./configure`
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# script.
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#configure-args = []
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# Indicates that a local rebuild is occurring instead of a full bootstrap,
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# essentially skipping stage0 as the local compiler is recompiling itself again.
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#local-rebuild = false
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# Print out how long each rustbuild step took (mostly intended for CI and
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# tracking over time)
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#print-step-timings = false
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# =============================================================================
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# General install configuration options
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# =============================================================================
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[install]
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# Instead of installing to /usr/local, install to this path instead.
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#prefix = "/usr/local"
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# Where to install system configuration files
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# If this is a relative path, it will get installed in `prefix` above
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#sysconfdir = "/etc"
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# Where to install documentation in `prefix` above
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#docdir = "share/doc/rust"
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# Where to install binaries in `prefix` above
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#bindir = "bin"
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# Where to install libraries in `prefix` above
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#libdir = "lib"
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# Where to install man pages in `prefix` above
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#mandir = "share/man"
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# Where to install data in `prefix` above (currently unused)
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#datadir = "share"
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# Where to install additional info in `prefix` above (currently unused)
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#infodir = "share/info"
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# Where to install local state (currently unused)
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# If this is a relative path, it will get installed in `prefix` above
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#localstatedir = "/var/lib"
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# =============================================================================
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# Options for compiling Rust code itself
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# =============================================================================
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[rust]
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# Whether or not to optimize the compiler and standard library.
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# WARNING: Building with optimize = false is NOT SUPPORTED. Due to bootstrapping,
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# building without optimizations takes much longer than optimizing. Further, some platforms
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# fail to build without this optimization (c.f. #65352).
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#optimize = true
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# Indicates that the build should be configured for debugging Rust. A
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# `debug`-enabled compiler and standard library will be somewhat
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# slower (due to e.g. checking of debug assertions) but should remain
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# usable.
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#
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# Note: If this value is set to `true`, it will affect a number of
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# configuration options below as well, if they have been left
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# unconfigured in this file.
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#
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# Note: changes to the `debug` setting do *not* affect `optimize`
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# above. In theory, a "maximally debuggable" environment would
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# set `optimize` to `false` above to assist the introspection
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# facilities of debuggers like lldb and gdb. To recreate such an
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# environment, explicitly set `optimize` to `false` and `debug`
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# to `true`. In practice, everyone leaves `optimize` set to
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# `true`, because an unoptimized rustc with debugging
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# enabled becomes *unusably slow* (e.g. rust-lang/rust#24840
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# reported a 25x slowdown) and bootstrapping the supposed
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# "maximally debuggable" environment (notably libstd) takes
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# hours to build.
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#
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#debug = false
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# Number of codegen units to use for each compiler invocation. A value of 0
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# means "the number of cores on this machine", and 1+ is passed through to the
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# compiler.
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#
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# Uses the rustc defaults: https://doc.rust-lang.org/rustc/codegen-options/index.html#codegen-units
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#codegen-units = if incremental { 256 } else { 16 }
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# Sets the number of codegen units to build the standard library with,
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# regardless of what the codegen-unit setting for the rest of the compiler is.
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#codegen-units-std = 1
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# Whether or not debug assertions are enabled for the compiler and standard
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# library. Debug assertions control the maximum log level used by rustc. When
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# enabled calls to `trace!` and `debug!` macros are preserved in the compiled
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# binary, otherwise they are omitted.
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#
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# Defaults to rust.debug value
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#debug-assertions = debug
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# Whether or not debug assertions are enabled for the standard library.
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# Overrides the `debug-assertions` option, if defined.
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#
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# Defaults to rust.debug-assertions value
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#debug-assertions-std = debug-assertions
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# Whether or not to leave debug! and trace! calls in the rust binary.
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# Overrides the `debug-assertions` option, if defined.
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#
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# Defaults to rust.debug-assertions value
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#debug-logging = debug-assertions
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# Debuginfo level for most of Rust code, corresponds to the `-C debuginfo=N` option of `rustc`.
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# `0` - no debug info
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# `1` - line tables only - sufficient to generate backtraces that include line
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# information and inlined functions, set breakpoints at source code
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# locations, and step through execution in a debugger.
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# `2` - full debug info with variable and type information
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# Can be overridden for specific subsets of Rust code (rustc, std or tools).
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# Debuginfo for tests run with compiletest is not controlled by this option
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# and needs to be enabled separately with `debuginfo-level-tests`.
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#
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# Note that debuginfo-level = 2 generates several gigabytes of debuginfo
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# and will slow down the linking process significantly.
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#
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# Defaults to 1 if debug is true
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#debuginfo-level = 0
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# Debuginfo level for the compiler.
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#
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# Defaults to rust.debuginfo-level value
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#debuginfo-level-rustc = 0
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# Debuginfo level for the standard library.
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#
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# Defaults to rust.debuginfo-level value
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#debuginfo-level-std = 0
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# Debuginfo level for the tools.
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#
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# Defaults to rust.debuginfo-level value
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#debuginfo-level-tools = 0
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# Debuginfo level for the test suites run with compiletest.
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# FIXME(#61117): Some tests fail when this option is enabled.
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#debuginfo-level-tests = 0
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# Whether or not `panic!`s generate backtraces (RUST_BACKTRACE)
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#backtrace = true
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# Whether to always use incremental compilation when building rustc
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#incremental = false
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# Build a multi-threaded rustc
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# FIXME(#75760): Some UI tests fail when this option is enabled.
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#parallel-compiler = false
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# The default linker that will be hard-coded into the generated compiler for
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# targets that don't specify linker explicitly in their target specifications.
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# Note that this is not the linker used to link said compiler.
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#default-linker = "cc"
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# The "channel" for the Rust build to produce. The stable/beta channels only
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# allow using stable features, whereas the nightly and dev channels allow using
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# nightly features
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#channel = "dev"
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# The root location of the musl installation directory.
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#musl-root = "..."
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# By default the `rustc` executable is built with `-Wl,-rpath` flags on Unix
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# platforms to ensure that the compiler is usable by default from the build
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# directory (as it links to a number of dynamic libraries). This may not be
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# desired in distributions, for example.
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#rpath = true
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# Prints each test name as it is executed, to help debug issues in the test harness itself.
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#verbose-tests = false
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# Flag indicating whether tests are compiled with optimizations (the -O flag).
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#optimize-tests = true
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# Flag indicating whether codegen tests will be run or not. If you get an error
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# saying that the FileCheck executable is missing, you may want to disable this.
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# Also see the target's llvm-filecheck option.
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#codegen-tests = true
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# Flag indicating whether git info will be retrieved from .git automatically.
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# Having the git information can cause a lot of rebuilds during development.
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# Note: If this attribute is not explicitly set (e.g. if left commented out) it
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# will default to true if channel = "dev", but will default to false otherwise.
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#ignore-git = true
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# When creating source tarballs whether or not to create a source tarball.
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#dist-src = false
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# After building or testing extended tools (e.g. clippy and rustfmt), append the
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# result (broken, compiling, testing) into this JSON file.
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#save-toolstates = "/path/to/toolstates.json"
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# This is an array of the codegen backends that will be compiled for the rustc
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# that's being compiled. The default is to only build the LLVM codegen backend,
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# and currently the only standard option supported is `"llvm"`
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#codegen-backends = ["llvm"]
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# Indicates whether LLD will be compiled and made available in the sysroot for
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# rustc to execute.
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#lld = false
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# Indicates whether LLD will be used to link Rust crates during bootstrap on
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# supported platforms. The LLD from the bootstrap distribution will be used
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# and not the LLD compiled during the bootstrap.
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#
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# LLD will not be used if we're cross linking.
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#
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# Explicitly setting the linker for a target will override this option when targeting MSVC.
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#use-lld = false
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# Indicates whether some LLVM tools, like llvm-objdump, will be made available in the
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# sysroot.
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#llvm-tools = false
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# Whether to deny warnings in crates
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#deny-warnings = true
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# Print backtrace on internal compiler errors during bootstrap
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#backtrace-on-ice = false
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# Whether to verify generated LLVM IR
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#verify-llvm-ir = false
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# Compile the compiler with a non-default ThinLTO import limit. This import
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# limit controls the maximum size of functions imported by ThinLTO. Decreasing
|
|
# will make code compile faster at the expense of lower runtime performance.
|
|
# If `incremental` is set to true above, the import limit will default to 10
|
|
# instead of LLVM's default of 100.
|
|
#thin-lto-import-instr-limit = 100
|
|
|
|
# Map debuginfo paths to `/rust/$sha/...`, generally only set for releases
|
|
#remap-debuginfo = false
|
|
|
|
# Link the compiler against `jemalloc`, where on Linux and OSX it should
|
|
# override the default allocator for rustc and LLVM.
|
|
#jemalloc = false
|
|
|
|
# Run tests in various test suites with the "nll compare mode" in addition to
|
|
# running the tests in normal mode. Largely only used on CI and during local
|
|
# development of NLL
|
|
#test-compare-mode = false
|
|
|
|
# Use LLVM libunwind as the implementation for Rust's unwinder.
|
|
#llvm-libunwind = false
|
|
|
|
# Enable Windows Control Flow Guard checks in the standard library.
|
|
# This only applies from stage 1 onwards, and only for Windows targets.
|
|
#control-flow-guard = false
|
|
|
|
# Enable symbol-mangling-version v0. This can be helpful when profiling rustc,
|
|
# as generics will be preserved in symbols (rather than erased into opaque T).
|
|
#new-symbol-mangling = false
|
|
|
|
# =============================================================================
|
|
# Options for specific targets
|
|
#
|
|
# Each of the following options is scoped to the specific target triple in
|
|
# question and is used for determining how to compile each target.
|
|
# =============================================================================
|
|
[target.x86_64-unknown-linux-gnu]
|
|
|
|
# C compiler to be used to compiler C code. Note that the
|
|
# default value is platform specific, and if not specified it may also depend on
|
|
# what platform is crossing to what platform.
|
|
#cc = "cc"
|
|
|
|
# C++ compiler to be used to compiler C++ code (e.g. LLVM and our LLVM shims).
|
|
# This is only used for host targets.
|
|
#cxx = "c++"
|
|
|
|
# Archiver to be used to assemble static libraries compiled from C/C++ code.
|
|
# Note: an absolute path should be used, otherwise LLVM build will break.
|
|
#ar = "ar"
|
|
|
|
# Ranlib to be used to assemble static libraries compiled from C/C++ code.
|
|
# Note: an absolute path should be used, otherwise LLVM build will break.
|
|
#ranlib = "ranlib"
|
|
|
|
# Linker to be used to link Rust code. Note that the
|
|
# default value is platform specific, and if not specified it may also depend on
|
|
# what platform is crossing to what platform.
|
|
# Setting this will override the `use-lld` option for Rust code when targeting MSVC.
|
|
#linker = "cc"
|
|
|
|
# Path to the `llvm-config` binary of the installation of a custom LLVM to link
|
|
# against. Note that if this is specified we don't compile LLVM at all for this
|
|
# target.
|
|
#llvm-config = "../path/to/llvm/root/bin/llvm-config"
|
|
|
|
# Normally the build system can find LLVM's FileCheck utility, but if
|
|
# not, you can specify an explicit file name for it.
|
|
#llvm-filecheck = "/path/to/FileCheck"
|
|
|
|
# If this target is for Android, this option will be required to specify where
|
|
# the NDK for the target lives. This is used to find the C compiler to link and
|
|
# build native code.
|
|
#android-ndk = "/path/to/ndk"
|
|
|
|
# Force static or dynamic linkage of the standard library for this target. If
|
|
# this target is a host for rustc, this will also affect the linkage of the
|
|
# compiler itself. This is useful for building rustc on targets that normally
|
|
# only use static libraries. If unset, the target's default linkage is used.
|
|
#crt-static = false
|
|
|
|
# The root location of the musl installation directory. The library directory
|
|
# will also need to contain libunwind.a for an unwinding implementation. Note
|
|
# that this option only makes sense for musl targets that produce statically
|
|
# linked binaries
|
|
#musl-root = "..."
|
|
|
|
# The full path to the musl libdir.
|
|
#musl-libdir = musl-root/lib
|
|
|
|
# The root location of the `wasm32-wasi` sysroot.
|
|
#wasi-root = "..."
|
|
|
|
# Used in testing for configuring where the QEMU images are located, you
|
|
# probably don't want to use this.
|
|
#qemu-rootfs = "..."
|
|
|
|
# =============================================================================
|
|
# Distribution options
|
|
#
|
|
# These options are related to distribution, mostly for the Rust project itself.
|
|
# You probably won't need to concern yourself with any of these options
|
|
# =============================================================================
|
|
[dist]
|
|
|
|
# This is the folder of artifacts that the build system will sign. All files in
|
|
# this directory will be signed with the default gpg key using the system `gpg`
|
|
# binary. The `asc` and `sha256` files will all be output into the standard dist
|
|
# output folder (currently `build/dist`)
|
|
#
|
|
# This folder should be populated ahead of time before the build system is
|
|
# invoked.
|
|
#sign-folder = "path/to/folder/to/sign"
|
|
|
|
# This is a file which contains the password of the default gpg key. This will
|
|
# be passed to `gpg` down the road when signing all files in `sign-folder`
|
|
# above. This should be stored in plaintext.
|
|
#gpg-password-file = "path/to/gpg/password"
|
|
|
|
# The remote address that all artifacts will eventually be uploaded to. The
|
|
# build system generates manifests which will point to these urls, and for the
|
|
# manifests to be correct they'll have to have the right URLs encoded.
|
|
#
|
|
# Note that this address should not contain a trailing slash as file names will
|
|
# be appended to it.
|
|
#upload-addr = "https://example.com/folder"
|
|
|
|
# Whether to build a plain source tarball to upload
|
|
# We disable that on Windows not to override the one already uploaded on S3
|
|
# as the one built on Windows will contain backslashes in paths causing problems
|
|
# on linux
|
|
#src-tarball = true
|
|
#
|
|
|
|
# Whether to allow failures when building tools
|
|
#missing-tools = false
|