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Add sanitizer support on FreeBSD
Restarting #47337. Everything is better now, no more weird llvm problems, well not everything:
Unfortunately, the sanitizers don't have proper support for versioned symbols (https://github.com/google/sanitizers/issues/628), so `libc`'s usage of `stat@FBSD_1.0` and so on explodes, e.g. in calling `std::fs::metadata`.
Building std (now easy thanks to cargo `-Zbuild-std`) and libc with `freebsd12/13` config via the `LIBC_CI=1` env variable is a good workaround…
```
LIBC_CI=1 RUSTFLAGS="-Z sanitizer=address" cargo +san-test -Zbuild-std run --target x86_64-unknown-freebsd --verbose
```
…*except* std won't build because there's no `st_lspare` in the ino64 version of the struct, so an std patch is required:
```diff
--- i/src/libstd/os/freebsd/fs.rs
+++ w/src/libstd/os/freebsd/fs.rs
@@ -66,8 +66,6 @@ pub trait MetadataExt {
fn st_flags(&self) -> u32;
#[stable(feature = "metadata_ext2", since = "1.8.0")]
fn st_gen(&self) -> u32;
- #[stable(feature = "metadata_ext2", since = "1.8.0")]
- fn st_lspare(&self) -> u32;
}
#[stable(feature = "metadata_ext", since = "1.1.0")]
@@ -136,7 +134,4 @@ impl MetadataExt for Metadata {
fn st_flags(&self) -> u32 {
self.as_inner().as_inner().st_flags as u32
}
- fn st_lspare(&self) -> u32 {
- self.as_inner().as_inner().st_lspare as u32
- }
}
```
I guess std could like.. detect that `libc` isn't built for the old ABI, and replace the implementation of `st_lspare` with a panic?
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We already have builders which built standard library *test*s without
optimizations, but we previously did not have builders which built the standard
library itself without optimizations and then tested that.
This adds those builds for i686 and x86_64 linux.
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FreeBSD 10 reached its end-of-life in October 2018, and that toolchain
caused issues in the LLVM 11 upgrade (#73526) that are resolved with the
toolchain from FreeBSD 11.
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Update the WASI libc build to LLVM 10.
Among other things, this brings in [the `__main_argc_argv`] patch,
which simplifies the interaction between the compiler and WASI libc's
startup code, which will help work on reactor support.
[the `__main_argc_argv` patch]: https://github.com/llvm/llvm-project/commit/00072c08c75050ae2c835b7bb0e505475dbcd7b9
r? @alexcrichton
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Update the bundled wasi-libc with libstd
This just updates WASI libc, in preparation for WASI reactor support in
a separate change.
r? @alexcrichton
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Among other things, this brings in [the `__main_argc_argv`] patch,
which simplifies the interaction between the compiler and WASI libc's
startup code, which will help work on reactor support.
[the `__main_argc_argv` patch]: https://github.com/llvm/llvm-project/commit/00072c08c75050ae2c835b7bb0e505475dbcd7b9
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This just updates WASI libc, in preparation for WASI reactor support in
a separate change.
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Enable the profiler on FreeBSD
FreeBSD has been doing this in our own package builds for two months
now.
https://svnweb.freebsd.org/ports?view=revision&revision=535771
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Enable docs on dist-x86_64-musl
Add the `rust-docs` component to toolchain `x86_64-unknown-linux-musl`, which allows people using rustup on their musl-based linux distribution to download the rust-docs.
`--disable-docs` is based on the assumption that `x86_64-unknown-linux-musl` is only a cross-compile target.
I have tested that the docs are built. I assume the build-system will automatically detect the docs and create a `rust-docs` component. I will [monitor](https://rust-lang.github.io/rustup-components-history/x86_64-unknown-linux-musl.html) the components and create a follow-up PR, if the docs aren't published.
See also #70619, where we enabled `rust-lld` to enable the wasm-workflow on musl-based linux distributions.
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- Remove useless --stage 2 argument to checktools.sh
- Fix help text for expand-yaml-anchors (it had a typo)
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Add the rust-docs component to toolchain x86_64-unknown-linux-musl, which allows
people using rustup on their musl-based linux distribution to download the
rust-docs.
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- expand yaml anchors
- don't use --stage 2 for dist; that's already the default
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FreeBSD has been doing this in our own package builds for two months
now.
https://svnweb.freebsd.org/ports?view=revision&revision=535771
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ci: Update dist-{i686,x86_64}-linux to Debian 6
This increases the minimum `{i686,x86_64}-unknown-linux-gnu` platform
from RHEL/CentOS 5 (glibc 2.5 and kernel 2.6.18) to a slightly newer
Debian 6 `squeeze` (glibc 2.11 and kernel 2.6.32). While that release is
already EOL, it happens to match the minimum common versions of two
enterprise distros that do still need Rust support -- RHEL 6 (glibc 2.12
and kernel 2.6.32) and SLES 11 SP4 (glibc 2.11 and kernel 3.0).
Closes #62516.
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Update cross-compilation README
README seemed rather out of date. I hope the information in my PR is now correct (it was more or less assembled by asking in zulip and learning-by-doing).
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RISC-V GNU/Linux as host platform
This PR add a new builder named `dist-riscv64-linux` that builds the compiler toolchain for RISC-V 64-bit GNU/Linux.
r? @alexcrichton
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This increases the minimum `{i686,x86_64}-unknown-linux-gnu` platform
from RHEL/CentOS 5 (glibc 2.5 and kernel 2.6.18) to a slightly newer
Debian 6 `squeeze` (glibc 2.11 and kernel 2.6.32). While that release is
already EOL, it happens to match the minimum common versions of two
enterprise distros that do still need Rust support -- RHEL 6 (glibc 2.12
and kernel 2.6.32) and SLES 11 SP4 (glibc 2.11 and kernel 3.0).
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build dist for x86_64-unknown-illumos
This change creates a new Docker image, "dist-x86_64-illumos", and sets
things up to build the full set of "dist" packages for illumos hosts, so
that illumos users can use "rustup" to install packages. It also
adjusts the manifest builder to expect complete toolchains for this
platform.
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This change creates a new Docker image, "dist-x86_64-illumos", and sets
things up to build the full set of "dist" packages for illumos hosts, so
that illumos users can use "rustup" to install packages. It also
adjusts the manifest builder to expect complete toolchains for this
platform.
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When the dockerfiles were moved into the host-x86_64 directory, paths
for COPY commands were updated with the new host-x86_64/ prefix. This
suggested that the intended context was src/ci/docker. However, the context
for disabled docker images was src/ci/docker/host-x86_64. This broke the new
paths and prevented src/ci/docker/scripts from being included in the
context at all.
This commit corrects this context allowing docker to find the files it
needs for COPY commands.
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Suggested by @bjorn3
Every RUN command creates a new overlay on top of the image as of before
the RUN command. Using fewer RUN commands prevents intermediate overlays
(which in this case would have contained the entire Linux source tree).
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Rollup of 12 pull requests
Successful merges:
- #73140 (Fallback to xml.etree.ElementTree)
- #73670 (Add `format_args_capture` feature)
- #73693 (Use exhaustive match in const_prop.rs)
- #73845 (Use &raw in A|Rc::as_ptr)
- #73861 (Create E0768)
- #73881 (Standardize bibliographic citations in rustc API docs)
- #73925 (Improve comments from #72617, as suggested by RalfJung)
- #73949 ([mir-opt] Fix mis-optimization and other issues with the SimplifyArmIdentity pass)
- #73984 (Edit docs for rustc_data_structures::graph::scc)
- #73985 (Fix "getting started" link)
- #73997 (fix typo)
- #73999 (Bump mingw-check CI image from Ubuntu 16.04 to 18.04.)
Failed merges:
- #74000 (add `lazy_normalization_consts` feature gate)
r? @ghost
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We're starting to include native aarch64 machines in our CI, but before
this commit the architecture wasn't included in the cache key for our
Docker images. This means there could be conflicts between images
produced on different architectures, hurting our CI times.
This commit fixes the problem by including the output of `uname -m` in
the cache key.
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We need to add runners designed for an aarch64 host system, and it'd be
nice to return an error message if someone tries to run an image
designed for an host architecture in another one.
To start the work on this, this commit moves all the existing builders
in the host-x86_64 directory, and changes the run.sh script to look up
the image in the correct directory based on the host architecture.
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Add option for local docker testing.
This adds the option `--dev` to `src/ci/docker/run.sh` so that it will enter an interactive environment for local testing. I have often needed this for testing things, but I always needed to edit this script. I wanted the ability to interact in the environment, run different commands, inspect errors, etc.
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Use WASM's saturating casts if they are available
WebAssembly supports saturating floating point to integer casts behind a target feature. The feature is already available on many browsers. Beginning with 1.45 Rust will start defining the behavior of floating point to integer casts to be saturating as well. For this Rust constructs additional checks on top of the `fptoui` / `fptosi` instructions it emits. Here we introduce the possibility for the codegen backend to construct saturating casts itself and only fall back to constructing the checks ourselves if that is not possible.
Resolves part of #73591
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Fix wasm32 being broken due to a NodeJS version bump
Emscripten's SDK [recently bumped the version of NodeJS they shipped](https://github.com/emscripten-core/emsdk/pull/529), but our Dockerfile for the wasm32 builder hardcoded the version number. This will cause consistent CI failures once the currently cached image is rebuilt (either due to a change or due to the cache expiring).
This PR fixes the problem by finding the latest version of NodeJS in the Emscripten SDK and symlinking it to a "latest" directory, which is then added to the `PATH`.
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We do not test cross-compilation here as the PR builder lacks a sufficiently
recent LLVM to cross-compile to 32-bit linux. Once we bump the minimum LLVM
version to LLVM 9, this can use normal 32-bit linux.
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Emscripten's SDK recently bumped the version of NodeJS they shipped, but
our Dockerfile for the wasm32 builder hardcoded the version number. This
will cause consistent CI failures once the currently cached image is
rebuilt (either due to a change or due to the cache expiring).
This commit fixes the problem by finding the latest version of NodeJS in
the Emscripten SDK and symlinking it to a "latest" directory, which is
then added to the PATH.
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Update mdbook
This updates mdbook to 0.4. The list of changes can be found at https://github.com/rust-lang/mdBook/blob/master/CHANGELOG.md#mdbook-040. I think the most important one is the change to include fonts with the book instead of using the Google Fonts CDN. This adds a few megabytes of fonts to the docs component. It may be possible to share the fonts across the books, but would take a fair bit of work to make that happen, so I'm not sure if it is necessary.
This also removes mdbook-linkcheck. It is currently not being used, and I don't foresee it going back into use anytime soon. I would prefer not to maintain something that isn't being used, and it removes a very large number of dependencies.
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RISC-V Emulated Testing
Adds a disabled docker image on which to run RISC-V tests. Based on the armhf image.
Test using
```
./src/ci/docker/run.sh riscv64gc-linux
```
cc: @msizanoen1
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