semios-packages/packages/rust/bootstrap.toml.in

# bootstrap.toml.in: Bootstrap Config Template
#
# Replacing Stubs:
# - %RUSTVERSION%: Version of rust
# - %CARGOPATH%: Absolute path of cargo
# - %RUSTCPATH%: Absolute path of rustc
# - %INSTALLPREFIX%: Install prefix

# =============================================================================
# Global Settings
# =============================================================================

# Use different pre-set defaults than the global defaults.
#
# See `src/bootstrap/defaults` for more information.
# Note that this has no default value (x.py uses the defaults in `bootstrap.example.toml`).
profile = "dist"

# =============================================================================
# Tweaking how LLVM is compiled
# =============================================================================

# Don't download Rust CI LLVM, instead, we compile it by our own.
llvm.download-ci-llvm = false

# Indicates whether the LLVM build is a Release or Debug build
llvm.optimize = true

# Indicates whether LLVM should be built with ThinLTO. Note that this will
# only succeed if you use clang, lld, llvm-ar, and llvm-ranlib in your C/C++
# toolchain (see the `cc`, `cxx`, `linker`, `ar`, and `ranlib` options below).
# More info at: https://clang.llvm.org/docs/ThinLTO.html#clang-bootstrap
llvm.thin-lto = true

# Indicates whether an LLVM Release build should include debug info
llvm.release-debuginfo = false

# Indicates whether the LLVM assertions are enabled or not
# NOTE: When assertions are disabled, bugs in the integration between rustc and LLVM can lead to
# unsoundness (segfaults, etc.) in the rustc process itself, not just in the generated code.
llvm.assertions = false

# Indicates whether the LLVM testsuite is enabled in the build or not. Does
# not execute the tests as part of the build as part of x.py build et al,
# just makes it possible to do `ninja check-llvm` in the staged LLVM build
# directory when doing LLVM development as part of Rust development.
llvm.tests = false

# Indicates whether the LLVM plugin is enabled or not
llvm.plugins = false

# Whether to build Enzyme as AutoDiff backend.
llvm.enzyme = false

# Whether to build LLVM with support for it's gpu offload runtime.
llvm.offload = false

# Absolute path to the directory containing ClangConfig.cmake
llvm.offload-clang-dir = ""

# When true, link libstdc++ statically into the rustc_llvm.
# This is useful if you don't want to use the dynamic version of that
# library provided by LLVM.
llvm.static-libstdcpp = false

# Enable LLVM to use zstd for compression.
llvm.libzstd = false

# Whether to use Ninja to build LLVM. This runs much faster than make.
llvm.ninja = true

# LLVM targets to build support for.
#llvm.targets = <default value>

# LLVM experimental targets to build support for.
#llvm.experimental-targets = <default value>

# Cap the number of parallel linker invocations when compiling LLVM.
#llvm.link-jobs = <default value>

# Whether to build LLVM as a dynamically linked library (as opposed to statically linked).
# Under the hood, this passes `--shared` to llvm-config.
# NOTE: To avoid performing LTO multiple times, we suggest setting this to `true` when `thin-lto` is enabled.
llvm.link-shared = true

# When building llvm, this configures what is being appended to the version.
llvm.version-suffix = "-rust-%RUSTVERSION%"

# Use libc++ when building LLVM instead of libstdc++. This is the default on
# platforms already use libc++ as the default C++ library, but this option
# allows you to use libc++ even on platforms when it's not. You need to ensure
# that your host compiler ships with libc++.
llvm.use-libcxx = true

# The value specified here will be passed as `-DLLVM_USE_LINKER` to CMake.
#llvm.use-linker = <none> (path)

# Whether or not to specify `-DLLVM_TEMPORARILY_ALLOW_OLD_TOOLCHAIN=YES`
#llvm.allow-old-toolchain = false

# Whether to include the Polly optimizer.
llvm.polly = false

# Whether to build the clang compiler.
llvm.clang = false

# Whether to enable llvm compilation warnings.
llvm.enable-warnings = false

# Custom CMake defines to set when building LLVM.
llvm.build-config = {"LLVM_ENABLE_LIBCXX" = "ON"}

# =============================================================================
# General build configuration options
# =============================================================================

# The default stage to use for the `check` subcommand
#build.check-stage = 0

# The default stage to use for the `doc` subcommand
#build.doc-stage = 0

# The default stage to use for the `build` subcommand
#build.build-stage = 1

# The default stage to use for the `test` subcommand
#build.test-stage = 1

# The default stage to use for the `dist` subcommand
#build.dist-stage = 2

# The default stage to use for the `install` subcommand
#build.install-stage = 2

# The default stage to use for the `bench` subcommand
#build.bench-stage = 2

# A descriptive string to be appended to version output (e.g., `rustc --version`),
# which is also used in places like debuginfo `DW_AT_producer`. This may be useful for
# supplementary build information, like distro-specific package versions.
#
# IMPORTANT: Changing this value changes crate IDs and symbol name mangling, making
# compiled artifacts incompatible. PGO profiles cannot be reused across different
# descriptions, and incremental compilation caches are invalidated. Keep this value
# consistent when reusing build artifacts.
#
# The Rust compiler will differentiate between versions of itself, including
# based on this string, which means that if you wish to be compatible with
# upstream Rust you need to set this to "". However, note that if you set this to "" but
# are not actually compatible -- for example if you've backported patches that change
# behavior -- this may lead to miscompilations or other bugs.
#build.description = ""

# Build triple for the pre-compiled snapshot compiler. If `rustc` is set, this must match its host
# triple (see `rustc --version --verbose`; cross-compiling the rust build system itself is NOT
# supported). If `rustc` is unset, this must be a platform with pre-compiled host tools
# (https://doc.rust-lang.org/nightly/rustc/platform-support.html). The current platform must be
# able to run binaries of this build triple.
#
# If `rustc` is present in path, this defaults to the host it was compiled for.
# Otherwise, `x.py` will try to infer it from the output of `uname`.
# If `uname` is not found in PATH, we assume this is `x86_64-pc-windows-msvc`.
# This may be changed in the future.
#build.build = "x86_64-unknown-linux-gnu" (as an example)

# Which triples to produce a compiler toolchain for. Each of these triples will be bootstrapped from
# the build triple themselves. In other words, this is the list of triples for which to build a
# compiler that can RUN on that triple.
#
# Defaults to just the `build` triple.
#build.host = [build.build] (list of triples)

# Which triples to build libraries (core/alloc/std/test/proc_macro) for. Each of these triples will
# be bootstrapped from the build triple themselves. In other words, this is the list of triples for
# which to build a library that can CROSS-COMPILE to that triple.
#
# Defaults to `host`. If you set this explicitly, you likely want to add all
# host triples to this list as well in order for those host toolchains to be
# able to compile programs for their native target.
#build.target = build.host (list of triples)

# Use this directory to store build artifacts. Paths are relative to the current directory, not to
# the root of the repository.
#build.build-dir = "build"

# Instead of downloading the src/stage0 version of Cargo specified, use
# this Cargo binary instead to build all Rust code
# If you set this, you likely want to set `rustc` as well.
build.cargo = "%CARGOPATH%"

# Instead of downloading the src/stage0 version of the compiler
# specified, use this rustc binary instead as the stage0 snapshot compiler.
# If you set this, you likely want to set `cargo` as well.
build.rustc = "%RUSTCPATH%"

# Use this rustdoc binary as the stage0 snapshot rustdoc.
# If unspecified, then the binary "rustdoc" (with platform-specific extension, e.g. ".exe")
# in the same directory as "rustc" will be used.
#build.rustdoc = "/path/to/rustdoc"

# Instead of downloading the src/stage0 version of rustfmt specified,
# use this rustfmt binary instead as the stage0 snapshot rustfmt.
#build.rustfmt = "/path/to/rustfmt"

# Instead of downloading the src/stage0 version of cargo-clippy specified,
# use this cargo-clippy binary instead as the stage0 snapshot cargo-clippy.
#
# Note that this option should be used with the same toolchain as the `rustc` option above.
# Otherwise, clippy is likely to fail due to a toolchain conflict.
#build.cargo-clippy = "/path/to/cargo-clippy"

# Whether to build documentation by default. If false, rustdoc and
# friends will still be compiled but they will not be used to generate any
# documentation.
#
# You can still build documentation when this is disabled by explicitly passing paths,
# e.g. `x doc library`.
build.docs = true

# Flag to specify whether CSS, JavaScript, and HTML are minified when
# docs are generated. JSON is always minified, because it's enormous,
# and generated in already-minified form from the beginning.
build.docs-minification = true

# Flag to specify whether private items should be included in the library docs.
build.library-docs-private-items = false

# Indicate whether to build compiler documentation by default.
# You can still build documentation when this is disabled by explicitly passing a path: `x doc compiler`.
build.compiler-docs = false

# Indicate whether git submodules are managed and updated automatically.
build.submodules = false

# The path to (or name of) the GDB executable to use. This is only used for
# executing the debuginfo test suite.
#build.gdb = <not required>

# The path to (or name of) the LLDB executable to use. This is only used for
# executing the debuginfo test suite.
#build.lldb = <not required>

# The node.js executable to use. Note that this is only used for the emscripten
# target when running tests, otherwise this can be omitted.
#build.nodejs = <not required>

# The yarn executable to use. Note that this is used for rustdoc-gui tests and
# tidy js extra-checks, otherwise this can be omitted.
#
# Under Windows this should be `yarn.cmd` or path to it (verified on nodejs v18.06), or
# error will be emitted.
#build.yarn = <not required>

# Python interpreter to use for various tasks throughout the build, notably
# rustdoc tests, and some dist bits and pieces.
#
# Defaults to the Python interpreter used to execute x.py.
#build.python = <default>

# The path to the REUSE executable to use. Note that REUSE is not required in
# most cases, as our tooling relies on a cached (and shrunk) copy of the
# REUSE output present in the git repository and in our source tarballs.
#
# REUSE is only needed if your changes caused the overall licensing of the
# repository to change, and the cached copy has to be regenerated.
#
# Defaults to the "reuse" command in the system path.
#build.reuse = <not required>

# Force Cargo to check that Cargo.lock describes the precise dependency
# set that all the Cargo.toml files create, instead of updating it.
build.locked-deps = false

# Indicate whether the vendored sources are used for Rust dependencies or not.
#
# Vendoring requires additional setup. We recommend using the pre-generated source tarballs if you
# want to use vendoring. See https://forge.rust-lang.org/infra/other-installation-methods.html#source-code.
#build.vendor = <default>

# If you build the compiler more than twice (stage3+) or the standard library more than once
# (stage 2+), the third compiler and second library will get uplifted from stage2 and stage1,
# respectively. If you would like to disable this uplifting, and rather perform a full bootstrap,
# then you can set this option to true.
#
# This is only useful for verifying that rustc generates reproducible builds.
build.full-bootstrap = false

# Set the bootstrap/download cache path. It is useful when building rust
# repeatedly in a CI environment.
#build.bootstrap-cache-path = /path/to/shared/cache

# Enable a build of the extended Rust tool set which is not only the compiler
# but also tools such as Cargo. This will also produce "combined installers"
# which are used to install Rust and Cargo together.
# The `tools` (check `bootstrap.example.toml` to see its default value) option specifies
# which tools should be built if `extended = true`.
#
# This is disabled by default.
build.extended = false

# Set of tools to be included in the installation.
#
# If `extended = false`, the only one of these built by default is rustdoc.
#
# If `extended = true`, they are all included.
#
# If any enabled tool fails to build, the installation fails.
#build.tools = <default>

# Specify build configuration specific for some tool, such as enabled features.
# This option has no effect on which tools are enabled: refer to the `tools` option for that.
#
# For example, to build Miri with tracing support, use `tool.miri.features = ["tracing"]`
#
# The default value for the `features` array is `[]`. However, please note that other flags in
# `bootstrap.toml` might influence the features enabled for some tools. Also, enabling features
# in tools which are not part of the internal "extra-features" preset might not always work.
#build.tool.TOOL_NAME.features = [FEATURE1, FEATURE2]

# Verbosity level: 0 == not verbose, 1 == verbose, 2 == very verbose, 3 == print environment variables on each rustc invocation
#build.verbose = <default>

# Build the sanitizer runtimes
build.sanitizers = false

# Build the profiler runtime (required when compiling with options that depend
# on this runtime, such as `-C profile-generate` or `-C instrument-coverage`).
build.profiler = false

# Use the optimized LLVM C intrinsics for `compiler_builtins`, rather than Rust intrinsics.
# Choosing true requires the LLVM submodule to be managed by bootstrap (i.e. not external)
# so that `compiler-rt` sources are available.
#
# Setting this to a path removes the requirement for a C toolchain, but requires setting the
# path to an existing library containing the builtins library from LLVM's compiler-rt.
#
# Setting this to `false` generates slower code, but removes the requirement for a C toolchain in
# order to run `x check`.
build.optimized-compiler-builtins = true

# Indicates whether the native libraries linked into Cargo will be statically
# linked or not.
build.cargo-native-static = false

# Number of parallel jobs to be used for building and testing. If set to `0` or
# omitted, it will be automatically determined. This is the `-j`/`--jobs` flag
# passed to cargo invocations.
#build.jobs = <default>

# Default value for the `--extra-checks` flag of tidy.
#
# See `./x test tidy --help` for details.
#
# Note that if any value is manually given to bootstrap such as
# `./x test tidy --extra-checks=js`, this value is ignored.
# Use `--extra-checks=''` to temporarily disable all extra checks.
#
# Automatically enabled in the "tools" profile.
# Set to the empty string to force disable (recommended for hdd systems).
#build.tidy-extra-checks = ""

# Indicates whether ccache is used when building certain artifacts (e.g. LLVM).
# Set to `true` to use the first `ccache` in PATH, or set an absolute path to use
# a specific version.
build.ccache = false

# List of paths to exclude from the build and test processes.
# For example, exclude = ["tests/ui", "src/tools/tidy"].
#build.exclude = []

# =============================================================================
# General install configuration options
# =============================================================================

# Where to install the generated toolchain. Must be an absolute path.
install.prefix = "%INSTALLPREFIX%"

# Where to install system configuration files.
# If this is a relative path, it will get installed in `prefix` above
install.sysconfdir = "/var/config"

# Where to install documentation in `prefix` above
install.docdir = "share/doc/rust"

# Where to install binaries in `prefix` above
install.bindir = "bin"

# Where to install libraries in `prefix` above
install.libdir = "lib"

# Where to install man pages in `prefix` above
install.mandir = "share/man"

# Where to install data in `prefix` above
install.datadir = "share"

# =============================================================================
# Options for compiling Rust code itself
# =============================================================================

# Whether or not to optimize when compiling the compiler and standard library,
# and what level of optimization to use.
# WARNING: Building with optimize = false is NOT SUPPORTED. Due to bootstrapping,
# building without optimizations takes much longer than optimizing. Further, some platforms
# fail to build without this optimization (c.f. #65352).
# The valid options are:
# true - Enable optimizations (same as 3).
# false - Disable optimizations.
# 0 - Disable optimizations.
# 1 - Basic optimizations.
# 2 - Some optimizations.
# 3 - All optimizations.
# "s" - Optimize for binary size.
# "z" - Optimize for binary size, but also turn off loop vectorization.
#rust.optimize = true

# Indicates that the build should be configured for debugging Rust. A
# `debug`-enabled compiler and standard library will be somewhat
# slower (due to e.g. checking of debug assertions) but should remain
# usable.
#
# Note: If this value is set to `true`, it will affect a number of
#       configuration options below as well, if they have been left
#       unconfigured in this file.
#
# Note: changes to the `debug` setting do *not* affect `optimize`
#       above. In theory, a "maximally debuggable" environment would
#       set `optimize` to `false` above to assist the introspection
#       facilities of debuggers like lldb and gdb. To recreate such an
#       environment, explicitly set `optimize` to `false` and `debug`
#       to `true`. In practice, everyone leaves `optimize` set to
#       `true`, because an unoptimized rustc with debugging
#       enabled becomes *unusably slow* (e.g. rust-lang/rust#24840
#       reported a 25x slowdown) and bootstrapping the supposed
#       "maximally debuggable" environment (notably libstd) takes
#       hours to build.
#
rust.debug = false

# Whether to download the stage 1 and 2 compilers from CI. This is useful if you
# are working on tools, doc-comments, or library (you will be able to build the
# standard library without needing to build the compiler).
#
# Set this to "if-unchanged" if you are working on `src/tools`, `tests` or
# `library` (on CI, `library` changes triggers in-tree compiler build) to speed
# up the build process if you don't need to build a compiler from the latest
# commit from `master`.
#
# Set this to `true` to always download or `false` to always use the in-tree
# compiler.
rust.download-rustc = false

# Number of codegen units to use for each compiler invocation. A value of 0
# means "the number of cores on this machine", and 1+ is passed through to the
# compiler.
#
# Uses the rustc defaults: https://doc.rust-lang.org/rustc/codegen-options/index.html#codegen-units
rust.codegen-units = 1

# Sets the number of codegen units to build the standard library with,
# regardless of what the codegen-unit setting for the rest of the compiler is.
# NOTE: building with anything other than 1 is known to occasionally have bugs.
rust.codegen-units-std = 1

# Whether or not debug assertions are enabled for the compiler and standard library.
# These can help find bugs at the cost of a small runtime slowdown.
#
# Defaults to rust.debug value
rust.debug-assertions = false

# Whether or not debug assertions are enabled for the standard library.
# Overrides the `debug-assertions` option, if defined.
#
# Defaults to rust.debug-assertions value
rust.debug-assertions-std = false

# Whether or not debug assertions are enabled for the tools built by bootstrap.
# Overrides the `debug-assertions` option, if defined.
#
# Defaults to rust.debug-assertions value
rust.debug-assertions-tools = false

# Whether or not to leave debug! and trace! calls in the rust binary.
#
# Defaults to rust.debug-assertions value
#
# If you see a message from `tracing` saying "some trace filter directives would enable traces that
# are disabled statically" because `max_level_info` is enabled, set this value to `true`.
rust.debug-logging = false

# Whether or not to build rustc, tools and the libraries with randomized type layout
rust.randomize-layout = false

# Whether or not overflow checks are enabled for the compiler and standard
# library.
#
# Defaults to rust.debug value
rust.overflow-checks = false

# Whether or not overflow checks are enabled for the standard library.
# Overrides the `overflow-checks` option, if defined.
#
# Defaults to rust.overflow-checks value
rust.overflow-checks-std = false

# Debuginfo level for most of Rust code, corresponds to the `-C debuginfo=N` option of `rustc`.
# See https://doc.rust-lang.org/rustc/codegen-options/index.html#debuginfo for available options.
#
# Can be overridden for specific subsets of Rust code (rustc, std or tools).
# Debuginfo for tests run with compiletest is not controlled by this option
# and needs to be enabled separately with `debuginfo-level-tests`.
#
# Note that debuginfo-level = 2 generates several gigabytes of debuginfo
# and will slow down the linking process significantly.
rust.debuginfo-level = 0

# Debuginfo level for the compiler.
rust.debuginfo-level-rustc = 0

# Debuginfo level for the standard library.
rust.debuginfo-level-std = 0

# Debuginfo level for the tools.
rust.debuginfo-level-tools = 0

# Debuginfo level for the test suites run with compiletest.
# FIXME(#61117): Some tests fail when this option is enabled.
#rust.debuginfo-level-tests = 0 <omitted>

# Whether or not `panic!`s generate backtraces (RUST_BACKTRACE)
rust.backtrace = true

# Whether to always use incremental compilation when building rustc
rust.incremental = false

# The default linker that will be hard-coded into the generated
# compiler for targets that don't specify a default linker explicitly
# in their target specifications.  Note that this is not the linker
# used to link said compiler. It can also be set per-target (via the
# `[target.<triple>]` block), which may be useful in a cross-compilation
# setting.
#
# See https://doc.rust-lang.org/rustc/codegen-options/index.html#linker for more information.
#rust.default-linker = <default>

# The "channel" for the Rust build to produce. The stable/beta channels only
# allow using stable features, whereas the nightly and dev channels allow using
# nightly features.
#
# You can set the channel to "auto-detect" to load the channel name from `src/ci/channel`.
#
# If using tarball sources, default value is "auto-detect", otherwise, it's "dev".
rust.channel = "auto-detect"

# 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.
#
# Defaults to /usr on musl hosts. Has no default otherwise.
#rust.musl-root = <not required>

# By default the `rustc` executable is built with `-Wl,-rpath` flags on Unix
# platforms to ensure that the compiler is usable by default from the build
# directory (as it links to a number of dynamic libraries). This may not be
# desired in distributions, for example.
rust.rpath = true

# Additional flags to pass to `rustc`.
# Takes precedence over bootstrap's own flags but not over per target rustflags nor env. vars. like RUSTFLAGS.
# Applies to all stages and targets.
#
#rust.rustflags = []

# Indicates whether symbols should be stripped using `-Cstrip=symbols`.
rust.strip = true

# Forces frame pointers to be used with `-Cforce-frame-pointers`.
# This can be helpful for profiling at a small performance cost.
rust.frame-pointers = false

# Indicates whether stack protectors should be used
# via the unstable option `-Zstack-protector`.
#
# Valid options are : `none`(default),`basic`,`strong`, or `all`.
# `strong` and `basic` options may be buggy and are not recommended, see rust-lang/rust#114903.
rust.stack-protector = "none"

# Prints each test name as it is executed, to help debug issues in the test harness itself.
rust.verbose-tests = false

# Flag indicating whether tests are compiled with optimizations (the -O flag).
rust.optimize-tests = true

# Flag indicating whether codegen tests will be run or not. If you get an error
# saying that the FileCheck executable is missing, you may want to disable this.
# Also see the target's llvm-filecheck option.
rust.codegen-tests = false

# Flag indicating whether git info will be retrieved from .git automatically.
# Having the git information can cause a lot of rebuilds during development.
rust.omit-git-hash = false

# Whether to create a source tarball by default when running `x dist`.
#
# You can still build a source tarball when this is disabled by explicitly passing `x dist rustc-src`.
rust.dist-src = false

# After building or testing an optional component (e.g. the nomicon or reference), append the
# result (broken, compiling, testing) into this JSON file.
#rust.save-toolstates = <none> (path)

# This array serves three distinct purposes:
# - Backends in this list will be automatically compiled and included in the sysroot of each
# rustc compiled by bootstrap.
# - The first backend in this list will be configured as the **default codegen backend** by each
# rustc compiled by bootstrap. In other words, if the first backend is e.g. cranelift, then when
# we build a stage 1 rustc, it will by default compile Rust programs using the Cranelift backend.
# This also means that stage 2 rustc would get built by the Cranelift backend.
# - Running `x dist` (without additional arguments, or with `--include-default-paths`) will produce
# a dist component/tarball for the Cranelift backend if it is included in this array.
#
# Note that the LLVM codegen backend is special and will always be built and distributed.
#
# Currently, the only standard options supported here are `"llvm"`, `"cranelift"` and `"gcc"`.
rust.codegen-backends = ["llvm"]

# Indicates whether LLD will be compiled and made available in the sysroot for rustc to execute,
rust.lld = false

# Indicates if we should override the linker used to link Rust crates during bootstrap to be LLD.
# If set to `true` or `"external"`, a global `lld` binary that has to be in $PATH
# will be used.
# If set to `"self-contained"`, rust-lld from the snapshot compiler will be used.
#
# On MSVC, LLD will not be used if we're cross linking.
#
# Explicitly setting the linker for a target will override this option when targeting MSVC.
rust.bootstrap-override-lld = false

# Indicates whether some LLVM tools, like llvm-objdump, will be made available in the
# sysroot.
rust.llvm-tools = false

# Indicates whether the `self-contained` llvm-bitcode-linker, will be made available
# in the sysroot. It is required for running nvptx tests.
rust.llvm-bitcode-linker = false

# Whether to deny warnings in crates. Set to `false` to avoid
# error: warnings are denied by `build.warnings` configuration
rust.deny-warnings = false

# Print backtrace on internal compiler errors during bootstrap
rust.backtrace-on-ice = false

# Whether to verify generated LLVM IR
rust.verify-llvm-ir = false

# Compile the compiler with a non-default ThinLTO import limit. This import
# limit controls the maximum size of functions imported by ThinLTO. Decreasing
# will make code compile faster at the expense of lower runtime performance.
#rust.thin-lto-import-instr-limit = <default>

# Map debuginfo paths to `/rust/$sha/...`.
# Useful for reproducible builds. Generally only set for releases
rust.remap-debuginfo = true

# Link the compiler and LLVM against `jemalloc` instead of the default libc allocator.
# This option is only tested on Linux and OSX. It can also be configured per-target in the
# [target.<tuple>] section.
rust.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
rust.test-compare-mode = false

# Global default for llvm-libunwind for all targets. See the target-specific
# documentation for llvm-libunwind below. Note that the target-specific
# option will override this if set.
rust.llvm-libunwind = 'system'

# 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).
# When no setting is given, the new scheme will be used when compiling the
# compiler and its tools and the legacy scheme will be used when compiling the
# standard library.
# If an explicit setting is given, it will be used for all parts of the codebase.
rust.new-symbol-mangling = true

# Size limit in bytes for move/copy annotations (-Zannotate-moves). Only types
# at or above this size will be annotated. If not specified, uses the default
# limit (65 bytes).
#rust.annotate-moves-size-limit = <default>

# Select LTO mode that will be used for compiling rustc. By default, thin local LTO
# (LTO within a single crate) is used (like for any Rust crate). You can also select
# "thin" or "fat" to apply Thin/Fat LTO to the `rustc_driver` dylib, or "off" to disable
# LTO entirely.
rust.lto = "thin-local"

# Build compiler with the optimization enabled and -Zvalidate-mir, currently only for `std`
#rust.validate-mir-opts = 3

# Configure `std` features used during bootstrap.
#
# Default features will be expanded in the following cases:
#  - If `rust.llvm-libunwind` or `target.llvm-libunwind` is enabled:
#    - "llvm-libunwind" will be added for in-tree LLVM builds.
#    - "system-llvm-libunwind" will be added for system LLVM builds.
#  - If `rust.backtrace` is enabled, "backtrace" will be added.
#  - If `rust.profiler` or `target.profiler` is enabled, "profiler" will be added.
#  - If building for a zkvm target, "compiler-builtins-mem" will be added.
#
# Since libstd also builds libcore and liballoc as dependencies and all their features are mirrored
# as libstd features, this option can also be used to configure features such as optimize_for_size.
#rust.std-features = <default>

# Set the number of threads for the compiler frontend used during compilation of Rust code (passed to `-Zthreads`).
# The valid options are:
# 0 - Set the number of threads according to the detected number of threads of the host system
# 1 - Use a single thread for compilation of Rust code (the default)
# N - Number of threads used for compilation of Rust code
#
rust.parallel-frontend-threads = 1

[target.x86_64-unknown-linux-musl]
llvm-libunwind = "system"
crt-static = false
musl-libdir = "/lib/x86_64-semios-linux"

[target.aarch64-unknown-linux-musl]
llvm-libunwind = "system"
crt-static = false
musl-libdir = "/lib/aarch64-semios-linux"

[target.riscv64-unknown-linux-musl]
llvm-libunwind = "system"
crt-static = false
musl-libdir = "/lib/riscv64-semios-linux"