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rust/Cargo.toml

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Use workspaces and switch to a single Cargo.lock. This involves hacking the code used to run cargo test on various packages, because it reads Cargo.lock to determine which packages should be tested. This change implements a blacklist, since that will catch new crates when they are added in the future.
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[workspace]
members = [
Move Cargo.{toml,lock} to the repository root directory.
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"src/bootstrap",
"src/rustc",
"src/librustc_codegen_llvm",
mv std libs to library/
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"library/std",
"library/test",
Move Cargo.{toml,lock} to the repository root directory.
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"src/tools/cargotest",
"src/tools/clippy",
"src/tools/compiletest",
"src/tools/error_index_generator",
"src/tools/linkchecker",
"src/tools/rustbook",
"src/tools/unstable-book-gen",
"src/tools/tidy",
"src/tools/build-manifest",
"src/tools/remote-test-client",
"src/tools/remote-test-server",
"src/tools/rust-installer",
Generating the coverage map rustc now generates the coverage map and can support (limited) coverage report generation, at the function level. Example: $ BUILD=$HOME/rust/build/x86_64-unknown-linux-gnu $ $BUILD/stage1/bin/rustc -Zinstrument-coverage \ $HOME/rust/src/test/run-make-fulldeps/instrument-coverage/main.rs $ LLVM_PROFILE_FILE="main.profraw" ./main called $ $BUILD/llvm/bin/llvm-profdata merge -sparse main.profraw -o main.profdata $ $BUILD/llvm/bin/llvm-cov show --instr-profile=main.profdata main 1| 1|pub fn will_be_called() { 2| 1| println!("called"); 3| 1|} 4| | 5| 0|pub fn will_not_be_called() { 6| 0| println!("should not have been called"); 7| 0|} 8| | 9| 1|fn main() { 10| 1| let less = 1; 11| 1| let more = 100; 12| 1| 13| 1| if less < more { 14| 1| will_be_called(); 15| 1| } else { 16| 1| will_not_be_called(); 17| 1| } 18| 1|}
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"src/tools/rust-demangler",
Move Cargo.{toml,lock} to the repository root directory.
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"src/tools/cargo",
"src/tools/rustdoc",
"src/tools/rls",
"src/tools/rustfmt",
"src/tools/miri",
bump Miri, update for cargo-miri being a separate project
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"src/tools/miri/cargo-miri",
Move Cargo.{toml,lock} to the repository root directory.
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"src/tools/rustdoc-themes",
Add unicode table generator
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"src/tools/unicode-table-generator",
ci: add github actions configuration
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"src/tools/expand-yaml-anchors",
Update RLS and rustfmt.
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]
exclude = [
Cargo.toml: exclude the `build` directory from the workspace.
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"build",
HACK(eddyb) Cargo.toml: also exclude the `obj` directory from the workspace.
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# HACK(eddyb) This hardcodes the fact that our CI uses `/checkout/obj`.
"obj",
Update stage0 bootstrap compiler We've got a freshly minted beta compiler, let's update to use that on nightly! This has a few other changes associated with it as well * A bump to the rustc version number (to 1.19.0) * Movement of the `cargo` and `rls` submodules to their "proper" location in `src/tools/{cargo,rls}`. Now that Cargo workspaces support the `exclude` option this can work. * Updates of the `cargo` and `rls` submodules to their master branches. * Tweak to the `src/stage0.txt` format to be more amenable for Cargo version numbers. On the beta channel Cargo will bootstrap from a different version than rustc (e.g. the version numbers are different), so we need different configuration for this. * Addition of `dev` as a readable key in the `src/stage0.txt` format. If present then stage0 compilers are downloaded from `dev-static.rust-lang.org` instead of `static.rust-lang.org`. This is added to accomodate our updated release process with Travis and AppVeyor.
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]
rustbuild: Move compiler-builtins build logic to manifest This commit moves the compiler-builtins-specific build logic from `src/bootstrap/bin/rustc.rs` into the workspace `Cargo.toml`'s `[profile]` configuration. Now that rust-lang/cargo#7253 is fixed we can ensure that Cargo knows about debug assertions settings, and it can also be configured to specifically disable debug assertions unconditionally for compiler-builtins. This should improve rebuild logic when debug-assertions settings change and also improve build-std integration where Cargo externally now has an avenue to learn how to build compiler-builtins as well.
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[profile.release.package.compiler_builtins]
# The compiler-builtins crate cannot reference libcore, and it's own CI will
# verify that this is the case. This requires, however, that the crate is built
# without overflow checks and debug assertions. Forcefully disable debug
# assertions and overflow checks here which should ensure that even if these
# assertions are enabled for libstd we won't enable then for compiler_builtins
# which should ensure we still link everything correctly.
Update the bootstrap compiler Now that we've got a beta build, let's use it!
2016-11-16 11:19:02 -06:00
debug-assertions = false
rustbuild: Move compiler-builtins build logic to manifest This commit moves the compiler-builtins-specific build logic from `src/bootstrap/bin/rustc.rs` into the workspace `Cargo.toml`'s `[profile]` configuration. Now that rust-lang/cargo#7253 is fixed we can ensure that Cargo knows about debug assertions settings, and it can also be configured to specifically disable debug assertions unconditionally for compiler-builtins. This should improve rebuild logic when debug-assertions settings change and also improve build-std integration where Cargo externally now has an avenue to learn how to build compiler-builtins as well.
2020-06-15 09:54:20 -05:00
overflow-checks = false
Unify all stage2 tools into a workspace This avoids double compiled Cargo. Hopefully this would speed up (extended) compilation for ~10m. Notes: when updating Cargo submodule, the replacement version may also need to be updated.
2017-04-29 18:11:58 -05:00
Change how compiler-builtins gets many CGUs This commit intends to fix an accidental regression from #70846. The goal of #70846 was to build compiler-builtins with a maximal number of CGUs to ensure that each module in the source corresponds to an object file. This high degree of control for compiler-builtins is desirable to ensure that there's at most one exported symbol per CGU, ideally enabling compiler-builtins to not conflict with the system libgcc as often. In #70846, however, only part of the compiler understands that compiler-builtins is built with many CGUs. The rest of the compiler thinks it's building with `sess.codegen_units()`. Notably the calculation of `sess.lto()` consults `sess.codegen_units()`, which when there's only one CGU it disables ThinLTO. This means that compiler-builtins is built without ThinLTO, which is quite harmful to performance! This is the root of the cause from #73135 where intrinsics were found to not be inlining trivial functions. The fix applied in this commit is to remove the special-casing of compiler-builtins in the compiler. Instead the build system is now responsible for special-casing compiler-builtins. It doesn't know exactly how many CGUs will be needed but it passes a large number that is assumed to be much greater than the number of source-level modules needed. After reading the various locations in the compiler source, this seemed like the best solution rather than adding more and more special casing in the compiler for compiler-builtins. Closes #73135
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# For compiler-builtins we always use a high number of codegen units.
# The goal here is to place every single intrinsic into its own object
# file to avoid symbol clashes with the system libgcc if possible. Note
# that this number doesn't actually produce this many object files, we
# just don't create more than this number of object files.
#
# It's a bit of a bummer that we have to pass this here, unfortunately.
# Ideally this would be specified through an env var to Cargo so Cargo
# knows how many CGUs are for this specific crate, but for now
# per-crate configuration isn't specifiable in the environment.
codegen-units = 10000
Update Cargo and its dependencies This'll probably have a bunch of build errors, so let's try and head those off and find them sooner rather than later!
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# We want the RLS to use the version of Cargo that we've got vendored in this
# repository to ensure that the same exact version of Cargo is used by both the
# RLS and the Cargo binary itself. The RLS depends on Cargo as a git repository
# so we use a `[patch]` here to override the github repository with our local
# vendored copy.
Use double quotes to appease some TOML parsers
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[patch."https://github.com/rust-lang/cargo"]
Move Cargo.{toml,lock} to the repository root directory.
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cargo = { path = "src/tools/cargo" }
Add rustfmt as a submodule
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Update Cargo submodule Bring in some fixes for `cargo fix` notably
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[patch.crates-io]
Update Cargo and its dependencies This'll probably have a bunch of build errors, so let's try and head those off and find them sooner rather than later!
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# Similar to Cargo above we want the RLS to use a vendored version of `rustfmt`
# that we're shipping as well (to ensure that the rustfmt in RLS and the
Inject clippy into the rls again Also makes sure we actually point to the local rls
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# `rustfmt` executable are the same exact version).
Move Cargo.{toml,lock} to the repository root directory.
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rustfmt-nightly = { path = "src/tools/rustfmt" }
Inject clippy into the rls again Also makes sure we actually point to the local rls
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Move Cargo.{toml,lock} to the repository root directory.
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# See comments in `src/tools/rustc-workspace-hack/README.md` for what's going on
Update Cargo submodule Bring in some fixes for `cargo fix` notably
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# here
Move Cargo.{toml,lock} to the repository root directory.
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rustc-workspace-hack = { path = 'src/tools/rustc-workspace-hack' }
Update Cargo submodule Bring in some fixes for `cargo fix` notably
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mv std libs to library/
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# See comments in `library/rustc-std-workspace-core/README.md` for what's going on
std: Depend directly on crates.io crates Ever since we added a Cargo-based build system for the compiler the standard library has always been a little special, it's never been able to depend on crates.io crates for runtime dependencies. This has been a result of various limitations, namely that Cargo doesn't understand that crates from crates.io depend on libcore, so Cargo tries to build crates before libcore is finished. I had an idea this afternoon, however, which lifts the strategy from #52919 to directly depend on crates.io crates from the standard library. After all is said and done this removes a whopping three submodules that we need to manage! The basic idea here is that for any crate `std` depends on it adds an *optional* dependency on an empty crate on crates.io, in this case named `rustc-std-workspace-core`. This crate is overridden via `[patch]` in this repository to point to a local crate we write, and *that* has a `path` dependency on libcore. Note that all `no_std` crates also depend on `compiler_builtins`, but if we're not using submodules we can publish `compiler_builtins` to crates.io and all crates can depend on it anyway! The basic strategy then looks like: * The standard library (or some transitive dep) decides to depend on a crate `foo`. * The standard library adds ```toml [dependencies] foo = { version = "0.1", features = ['rustc-dep-of-std'] } ``` * The crate `foo` has an optional dependency on `rustc-std-workspace-core` * The crate `foo` has an optional dependency on `compiler_builtins` * The crate `foo` has a feature `rustc-dep-of-std` which activates these crates and any other necessary infrastructure in the crate. A sample commit for `dlmalloc` [turns out to be quite simple][commit]. After that all `no_std` crates should largely build "as is" and still be publishable on crates.io! Notably they should be able to continue to use stable Rust if necessary, since the `rename-dependency` feature of Cargo is soon stabilizing. As a proof of concept, this commit removes the `dlmalloc`, `libcompiler_builtins`, and `libc` submodules from this repository. Long thorns in our side these are now gone for good and we can directly depend on crates.io! It's hoped that in the long term we can bring in other crates as necessary, but for now this is largely intended to simply make it easier to manage these crates and remove submodules. This should be a transparent non-breaking change for all users, but one possible stickler is that this almost for sure breaks out-of-tree `std`-building tools like `xargo` and `cargo-xbuild`. I think it should be relatively easy to get them working, however, as all that's needed is an entry in the `[patch]` section used to build the standard library. Hopefully we can work with these tools to solve this problem! [commit]: https://github.com/alexcrichton/dlmalloc-rs/commit/28ee12db813a3b650a7c25d1c36d2c17dcb88ae3
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# here
mv std libs to library/
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rustc-std-workspace-core = { path = 'library/rustc-std-workspace-core' }
rustc-std-workspace-alloc = { path = 'library/rustc-std-workspace-alloc' }
rustc-std-workspace-std = { path = 'library/rustc-std-workspace-std' }
std: Depend directly on crates.io crates Ever since we added a Cargo-based build system for the compiler the standard library has always been a little special, it's never been able to depend on crates.io crates for runtime dependencies. This has been a result of various limitations, namely that Cargo doesn't understand that crates from crates.io depend on libcore, so Cargo tries to build crates before libcore is finished. I had an idea this afternoon, however, which lifts the strategy from #52919 to directly depend on crates.io crates from the standard library. After all is said and done this removes a whopping three submodules that we need to manage! The basic idea here is that for any crate `std` depends on it adds an *optional* dependency on an empty crate on crates.io, in this case named `rustc-std-workspace-core`. This crate is overridden via `[patch]` in this repository to point to a local crate we write, and *that* has a `path` dependency on libcore. Note that all `no_std` crates also depend on `compiler_builtins`, but if we're not using submodules we can publish `compiler_builtins` to crates.io and all crates can depend on it anyway! The basic strategy then looks like: * The standard library (or some transitive dep) decides to depend on a crate `foo`. * The standard library adds ```toml [dependencies] foo = { version = "0.1", features = ['rustc-dep-of-std'] } ``` * The crate `foo` has an optional dependency on `rustc-std-workspace-core` * The crate `foo` has an optional dependency on `compiler_builtins` * The crate `foo` has a feature `rustc-dep-of-std` which activates these crates and any other necessary infrastructure in the crate. A sample commit for `dlmalloc` [turns out to be quite simple][commit]. After that all `no_std` crates should largely build "as is" and still be publishable on crates.io! Notably they should be able to continue to use stable Rust if necessary, since the `rename-dependency` feature of Cargo is soon stabilizing. As a proof of concept, this commit removes the `dlmalloc`, `libcompiler_builtins`, and `libc` submodules from this repository. Long thorns in our side these are now gone for good and we can directly depend on crates.io! It's hoped that in the long term we can bring in other crates as necessary, but for now this is largely intended to simply make it easier to manage these crates and remove submodules. This should be a transparent non-breaking change for all users, but one possible stickler is that this almost for sure breaks out-of-tree `std`-building tools like `xargo` and `cargo-xbuild`. I think it should be relatively easy to get them working, however, as all that's needed is an entry in the `[patch]` section used to build the standard library. Hopefully we can work with these tools to solve this problem! [commit]: https://github.com/alexcrichton/dlmalloc-rs/commit/28ee12db813a3b650a7c25d1c36d2c17dcb88ae3
2018-11-19 23:52:50 -06:00
Update RLS and Rustfmt Closes #56261
2018-12-01 04:36:32 -06:00
[patch."https://github.com/rust-lang/rust-clippy"]
Move Cargo.{toml,lock} to the repository root directory.
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clippy_lints = { path = "src/tools/clippy/clippy_lints" }
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