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Set ninja=true by default
Ninja substantially improves LLVM build time. On a 96-way system, using
Make took 248s, and using Ninja took 161s, a 35% improvement.
We already require a variety of tools to build Rust. If someone wants to
build without Ninja (for instance, to minimize the set of packages
required to bootstrap a new target), they can easily set `ninja=false`
in `config.toml`. Our defaults should help people build Rust (and LLVM)
faster, to speed up development.
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Trying to build a Rust project with `-Zprofile` for target
x86_64-unknown-linux-musl using rustc 1.46.0-nightly (346aec9b0
2020-07-11), installed with rustup, results in the following error.
```
export RUSTFLAGS="-Zprofile -Ccodegen-units=1 -Copt-level=0 -Clink-dead-code -Coverflow-checks=off -Zpanic_abort_tests -Cpanic=abort"export CARGO_INCREMENTAL=0$ cargo build --target=x86_64-unknown-linux-muslCompiling hello_world v0.1.0 (…)error[E0463]: can't find crate for `profiler_builtins`
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= note: the compiler may have been built without the profiler runtime
error: aborting due to previous error
For more information about this error, try `rustc --explain E0463`.error: could not compile `hello_world`.
To learn more, run the command again with --verbose.
```
`-Zprofile` is required here to enable grcov profiling.
This is similar in nature to issue
https://github.com/rust-lang/rust/issues/57257, which has been fixed in
asimilar way at https://github.com/rust-lang/rust/pull/60476 .
A fix for Android has also landed not long ago:
https://github.com/rust-lang/rust/pull/70054 .
Signed-off-by: Tiago Lam <tiagol@hadean.com>
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Windows CI builds already install ninja. Install it in all the
Docker-based builds as well.
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Flatten the INC definition to one line.
Co-authored-by: lzutao <taolzu@gmail.com>
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This was breaking `#include_next <limits.h>`, such that we weren't
getting definitions of `PATH_MAX` and `_POSIX_ARG_MAX`.
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r=pietroalbini
Remove the full-bootstrap builder from CI
Fixes #75198
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This Emscripten version was the first to be cut after the LLVM 11
release branch was created, so it should be the most compatible with
LLVM 11. The old version we were using was incompatible with LLVM 11
because its wasm-ld did not understand all the relocations that LLVM
11 emits.
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Move CloudABI to tier 3.
The CloudABI target hasn't had much work done on it in a while, and it doesn't appear to be in active use. It has a fairly substantial amount of code, particularly in the [sys module](https://github.com/rust-lang/rust/tree/5addb135edc2653b07670482a430aac9b655a86b/library/std/src/sys/cloudabi) that requires actively supporting. I contacted @EdSchouten who indicated that many of the CloudABI concepts are now in WASI, and that they are OK with the target being moved to tier 3.
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Release Notes:
```
v1.38.47: 10/02/2019
--------------------
- Add support for FETCH API in WASM backend. This doesn't support FETCH in the
main thread (`USE_FETCH_WORKER=0` is enforced). #9490
- Redefine errno values to be consistent with wasi. This will let us avoid
needing to convert the values back and forth as we use more wasi APIs.
This is an ABI change, which should not be noticeable from user code
unless you use errno defines (like EAGAIN) *and* keep around binaries
compiled with an older version that you link against. In that case, you
should rebuild them. See #9545.
- Removed build option `-s ONLY_MY_CODE` as we now have much better solutions
for that, like building to a wasm object file or using `STANDALONE_WASM`
etc. (see
https://github.com/emscripten-core/emscripten/wiki/WebAssembly-Standalone).
- Emscripten now supports the config file (.emscripten) being placed in the
emscripten directory rather that the current user's home directory.
See #9543
```
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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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