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Don't put Cargo into the rustc workspace
This causes problems when first cloning and bootstrapping the repository
unfortunately, so let's ensure that Cargo sticks around in its own workspace.
Because Cargo is a submodule it's not available by default on the inital clone
of the rust-lang/rust repository. Normally it's the responsibility of the
rustbuild to take care of this, but unfortunately to build rustbuild itself we
need to resolve the workspace conflicts.
To deal with this we'll just have to ensure that all submodules are in their own
workspace, which sort of makes sense anyway as updates to dependencies as
bugfixes to Cargo should go to rust-lang/cargo instead of rust-lang/rust. In any
case this commit removes Cargo from the global workspace which should resolve
the issues that we've been seeing.
To actually perform this the `cargo` submodule has been moved to a new `vendor`
directory to ensure it's outside the scope of `src/Cargo.toml` as a workspace.
Closes https://github.com/rust-lang/rust/issues/40284
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rustbuild: expose LLVM_PARALLEL_LINK_JOBS
This allows limiting the number of linker jobs to avoid swapping when linking LLVM with debug info.
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Support armhf abi on 64-bit ARM cpus
They report their `uname -m` as armv8l rather than aarch64.
Patch originally by Matthias Klose <doko@debian.org>
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Fix emscripten test detection
Without this change `rustbuild` will attempt to run `.js.map` files (if they exist) resulting in lots of sadness.
r? @alexcrichton
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This causes problems when first cloning and bootstrapping the repository
unfortunately, so let's ensure that Cargo sticks around in its own workspace.
Because Cargo is a submodule it's not available by default on the inital clone
of the rust-lang/rust repository. Normally it's the responsibility of the
rustbuild to take care of this, but unfortunately to build rustbuild itself we
need to resolve the workspace conflicts.
To deal with this we'll just have to ensure that all submodules are in their own
workspace, which sort of makes sense anyway as updates to dependencies as
bugfixes to Cargo should go to rust-lang/cargo instead of rust-lang/rust. In any
case this commit removes Cargo from the global workspace which should resolve
the issues that we've been seeing.
To actually perform this the `cargo` submodule has been moved to the top
directory to ensure it's outside the scope of `src/Cargo.toml` as a workspace.
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This commit fixes #38749 by building documentation for the `proc_macro` crate by
default for configured hosts. Unfortunately did not turn out to be a trivial
fix. Currently rustbuild generates documentation into multiple locations: one
for std, one for test, and one for rustc. The initial fix for this issue simply
actually executed `cargo doc -p proc_macro` which was otherwise completely
elided before.
Unfortunately rustbuild was the left to merge two documentation trees together.
One for the standard library and one for the rustc tree (which only had docs for
the `proc_macro` crate). Rustdoc itself knows how to merge documentation files
(specifically around search indexes, etc) but rustbuild was unaware of this, so
an initial fix ended up destroying the sidebar and the search bar from the
libstd docs.
To solve this issue the method of documentation has been tweaked slightly in
rustbuild. The build system will not use symlinks (or directory junctions on
Windows) to generate all documentation into the same location initially. This'll
rely on rustdoc's logic to weave together all the output and ensure that it ends
up all consistent.
Closes #38749
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They report their `uname -m` as armv8l rather than aarch64.
Patch originally by Matthias Klose <doko@debian.org>
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The original motivation for hard links was to speed up the various stages of
rustbuild, but in the end this is causing problems on Windows (#39504).
This commit tweaks the build system to use copies instead of hard links
unconditionally to ensure that the files accessed by Windows are always
disjoint.
Locally this added .3s to a noop build, so it shouldn't be too much of a
regression hopefully!
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This allows limiting the number of linker jobs to avoid swapping when
linking LLVM with debug info.
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these belong to a previous iteration of the sanitizer implementation
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Add some comments
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Move some code from x.py to bootstrap.py
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rustbuild: Add support for compiling Cargo
This commit adds support to rustbuild for compiling Cargo as part of the release
process. Previously rustbuild would simply download a Cargo snapshot and
repackage it. With this change we should be able to turn off artifacts from the
rust-lang/cargo repository and purely rely on the artifacts Cargo produces here.
The infrastructure added here is intended to be extensible to other components,
such as the RLS. It won't exactly be a one-line addition, but the addition of
Cargo didn't require too much hooplah anyway.
The process for release Cargo will now look like:
* The rust-lang/rust repository has a Cargo submodule which is used to build a
Cargo to pair with the rust-lang/rust release
* Periodically we'll update the cargo submodule as necessary on rust-lang/rust's
master branch
* When branching beta we'll create a new branch of Cargo (as we do today), and
the first commit to the beta branch will be to update the Cargo submodule to
this exact revision.
* When branching stable, we'll ensure that the Cargo submodule is updated and
then make a stable release.
Backports to Cargo will look like:
* Send a PR to cargo's master branch
* Send a PR to cargo's release branch (e.g. rust-1.16.0)
* Send a PR to rust-lang/rust's beta branch updating the submodule
* Eventually send a PR to rust-lang/rust's master branch updating the submodule
For reference, the process to add a new component to the rust-lang/rust release
would look like:
* Add `$foo` as a submodule in `src/tools`
* Add a `tool-$foo` step which compiles `$foo` with the specified compiler,
likely mirroring what Cargo does.
* Add a `dist-$foo` step which uses `src/tools/$foo` and the `tool-$foo` output
to create a rust-installer package for `$foo` likely mirroring what Cargo
does.
* Update the `dist-extended` step with a new dependency on `dist-$foo`
* Update `src/tools/build-manifest` for the new component.
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This commit adds support to rustbuild for compiling Cargo as part of the release
process. Previously rustbuild would simply download a Cargo snapshot and
repackage it. With this change we should be able to turn off artifacts from the
rust-lang/cargo repository and purely rely on the artifacts Cargo produces here.
The infrastructure added here is intended to be extensible to other components,
such as the RLS. It won't exactly be a one-line addition, but the addition of
Cargo didn't require too much hooplah anyway.
The process for release Cargo will now look like:
* The rust-lang/rust repository has a Cargo submodule which is used to build a
Cargo to pair with the rust-lang/rust release
* Periodically we'll update the cargo submodule as necessary on rust-lang/rust's
master branch
* When branching beta we'll create a new branch of Cargo (as we do today), and
the first commit to the beta branch will be to update the Cargo submodule to
this exact revision.
* When branching stable, we'll ensure that the Cargo submodule is updated and
then make a stable release.
Backports to Cargo will look like:
* Send a PR to cargo's master branch
* Send a PR to cargo's release branch (e.g. rust-1.16.0)
* Send a PR to rust-lang/rust's beta branch updating the submodule
* Eventually send a PR to rust-lang/rust's master branch updating the submodule
For reference, the process to add a new component to the rust-lang/rust release
would look like:
* Add `$foo` as a submodule in `src/tools`
* Add a `tool-$foo` step which compiles `$foo` with the specified compiler,
likely mirroring what Cargo does.
* Add a `dist-$foo` step which uses `src/tools/$foo` and the `tool-$foo` output
to create a rust-installer package for `$foo` likely mirroring what Cargo
does.
* Update the `dist-extended` step with a new dependency on `dist-$foo`
* Update `src/tools/build-manifest` for the new component.
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rustbuild: use deterministic step ordering and respect path order on the command-line.
Restores similar behavior to `make` rules, where:
* the step order was always the same, e.g. the testsuite order in `make check`
* `make check-stage1-{cfail,rpass}` would *always* run `cfail` before `rpass`
* `./x.py test--stage 1 src/test/{compile-fail,run-pass}` is now equivalent
r? @alexcrichton
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PRs can't land againt beta right now because the android bot is filling up on
disk space. I don't really know what's going on but the android bot is the
longest one to run anyway so it'll benefit from being split up regardless.
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This commit attempts to move more network operations to being retryable through
various operations. For example git submodule updates, downloading snapshots,
etc, are now all in retryable steps.
Hopefully this commit can cut down on the number of network failures we've been
seeing!
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travis: Compile a more compatible libc.a for musl
The mitigations for #34978 involve passing `-Wa,-mrelax-relocations=no` to all C
code we compile, and we just forgot to pass it when compiling musl itself.
Closes #39979
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bootstrap: stop trashing (DY)LD_LIBRARY_PATH
This generated an ugly error with fakeroot before.
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add solaris sparcv9 support
Fixes #39901
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[rustbuild] add a way to run command after failure
This is a simple way to workaround the debugging issues caused by the rustc
wrapper used in the bootstrap process. Namely, it uses some obscure environment
variables and you can't just copy the failed command and run it in the shell or
debugger to examine the failure more closely.
With `--on-fail` its possible to run an arbitrary command within exactly the
same environment under which rustc failed. Theres's multiple ways to use this
new flag:
$ python x.py build --stage=1 --on-fail=env
would print a list of environment variables and the failed command, so a
few copy-pastes and you now can run the same rust in your shell outside the
bootstrap system.
$ python x.py build --stage=1 --on-fail=bash
Is a more useful variation of the command above in that it launches a whole
shell with environment already in place! All that's left to do is copy-paste
the command just above the shell prompt!
Fixes #38686
Fixes #38221
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rustbuild: Retry downloads by default
Don't rely on curl's --retry, it appears to not work for some errors like SSL
errors.
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Fix test caching on Windows/GNU
Addresses https://github.com/rust-lang/rust/issues/36385#issuecomment-277131231
Previously the sysroot directory was purged on every build and mingw startup objects were rebuilt unconditionally and always triggered test reruns.
Now mingw startup objects are built in the native directory and then copied into the sysroot directory. They are also rebuilt only when necessary, so test caching works.
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test: Verify all sysroot crates are unstable
As we continue to add more crates to the compiler and use them to implement
various features we want to be sure we're not accidentally expanding the API
surface area of the compiler! To that end this commit adds a new `run-make` test
which will attempt to `extern crate foo` all crates in the sysroot, verifying
that they're all unstable.
This commit discovered that the `std_shim` and `test_shim` crates were
accidentally stable and fixes the situation by deleting those shims. The shims
are no longer necessary due to changes in Cargo that have happened since they
were originally incepted.
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Don't rely on curl's --retry, it appears to not work for some errors like SSL
errors.
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part of #39588
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This doesn't belong in rustbuild itself, and now that we have only rustbuild we
can move this out of the build system.
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As we continue to add more crates to the compiler and use them to implement
various features we want to be sure we're not accidentally expanding the API
surface area of the compiler! To that end this commit adds a new `run-make` test
which will attempt to `extern crate foo` all crates in the sysroot, verifying
that they're all unstable.
This commit discovered that the `std_shim` and `test_shim` crates were
accidentally stable and fixes the situation by deleting those shims. The shims
are no longer necessary due to changes in Cargo that have happened since they
were originally incepted.
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This only really moves the files, there's a lot more work coming
in the next commits.
Part of #39588.
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This generated an ugly error with fakeroot before.
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rustc: Link statically to the MSVCRT
This commit changes all MSVC rustc binaries to be compiled with
`-C target-feature=+crt-static` to link statically against the MSVCRT instead of
dynamically (as it does today). This also necessitates compiling LLVM in a
different fashion, ensuring it's compiled with `/MT` instead of `/MD`.
cc #37406
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Fix for bootstrapping on NixOS
NixOS puts Linux's dynamic loader in wierd place. Detect when we're on NixOS and patch the downloaded bootstrap executables appropriately.
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* Update bootstrap to recognize the cputype 'sparcv9' (used on Solaris)
* Change to never use -fomit-frame-pointer on Solaris or for sparc
* Adds rust target sparcv9-sun-solaris
Fixes #39901
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This is a simple way to workaround the debugging issues caused by the rustc
wrapper used in the bootstrap process. Namely, it uses some obscure environment
variables and you can’t just copy the failed command and run it in the shell or
debugger to examine the failure more closely.
With `--on-fail` its possible to run an arbitrary command within exactly the
same environment under which rustc failed. Theres’s multiple ways to use this
new flag:
$ python x.py build --stage=1 --on-fail=env
would print a list of environment variables and the failed command, so a
few copy-pastes and you now can run the same rust in your shell outside the
bootstrap system.
$ python x.py build --stage=1 --on-fail=bash
Is a more useful variation of the command above in that it launches a whole
shell with environment already in place! All that’s left to do is copy-paste
the command just above the shell prompt!
Fixes #38686
Fixes #38221
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travis: Disable source tarballs on most builders
Currently we create a source tarball on almost all of the `DEPLOY=1` builders
but this has the adverse side effect of all source tarballs overriding
themselves in the S3 bucket. Normally this is ok but unfortunately a source
tarball created on Windows is not buildable on Unix.
On Windows the vendored sources contain paths with `\` characters in them which
when interpreted on Unix end up in "file not found" errors.
Instead of this overwriting behavior, whitelist just one linux builder for
producing tarballs and avoid producing tarballs on all other hosts.
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This commit changes all MSVC rustc binaries to be compiled with
`-C target-feature=+crt-static` to link statically against the MSVCRT instead of
dynamically (as it does today). This also necessitates compiling LLVM in a
different fashion, ensuring it's compiled with `/MT` instead of `/MD`.
cc #37406
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Currently we create a source tarball on almost all of the `DEPLOY=1` builders
but this has the adverse side effect of all source tarballs overriding
themselves in the S3 bucket. Normally this is ok but unfortunately a source
tarball created on Windows is not buildable on Unix.
On Windows the vendored sources contain paths with `\` characters in them which
when interpreted on Unix end up in "file not found" errors.
Instead of this overwriting behavior, whitelist just one linux builder for
producing tarballs and avoid producing tarballs on all other hosts.
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Partially fixes #25845
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Port books to mdbook
Part of https://github.com/rust-lang/rust/issues/39588
blocked on https://github.com/rust-lang/rust/pull/39431
As a first step towards the bookshelf, we ~vendor mdbook in-tree and~ port our books to it. Eventually, both of these books will be moved out-of-tree, but the nightly book will rely on doing the same thing. As such, this intermediate step is useful.
r? @alexcrichton @brson
/cc @azerupi
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Automate vendoring by invoking cargo-vendor when building src dist tarballs.
This avoids #39633 bringing the `src/vendor` checked into git by #37524, past 200,000 lines of code.
I believe the strategy of having rustbuild run `cargo vendor` during the `dist src` step is sound.
However, the only way to be sure `cargo-vendor` exists is to run `cargo install --force cargo-vendor`, which will recompile it every time (not passing `--force` means you can't tell between "already exists" and "build error"). ~~This is quite suboptimal and I'd like to somehow do it in each `Dockerfile` that would need it.~~
* [ ] Cache `CARGO_HOME` (i.e. `~/.cargo`) between CI runs
* `bin/cargo-vendor` and the actual caches are the relevant bits
* [x] Do not build `cargo-vendor` all the time
* ~~Maybe detect `~/.cargo/bin/cargo-vendor` already exists?~~
* ~~Could also try to build it in a `Dockerfile` but do we have `cargo`/`rustc` there?~~
* Final solution: check `cargo install --list` for a line starting with `cargo-vendor `
cc @rust-lang/tools
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mdbook has a lot of optional dependencies that we don't want, so instead
of using it directly, we re-build rustbook to use mdbook as a library.
For convenience' sake, we keep the same CLI interface as mdbook; the
only difference is that it only accepts build and test subcommands,
rather than the full range.
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