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In #60981 we switched to using src/llvm-project/compiler-rt inside
compiler-builtins rather than a separate copy of it.
In order to have the "c" feature turn on in builds from the source
tarball, we need to include that path in its creation.
fixes #64239
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Fix rustc-guide toolstate tracking.
The rustc-guide is still not saving its toolstate. It needs to be done explicitly.
Note: There are some confusing bits here, like without `--no-fail-fast`, it saves the wrong value in `toolstates.json`. Also, "rustbook" is always added as "test-fail". Presumably [this code](https://github.com/rust-lang/rust/blame/63c1f17d950bfefc8f356777f124f304f0575c76/src/bootstrap/tool.rs#L201-L205) assumes everything fails until it passes tests, which is a bit confusing for things that don't run tests.
cc @mark-i-m
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rustbuild: RISC-V is no longer an experimental LLVM target
This moves RISC-V from the experimental LLVM targets to the
regular LLVM targets. RISC-V was made non-experimental in
https://reviews.llvm.org/rL366399
I have also sorted the list of LLVM targets, and changed the code
around setting llvm_exp_targets (and its default) to match the code
setting llvm_targets (and its default), ensuring future changes to
the defaults, as LLVM targets become stable, affect as few places as
possible.
Given WebAssembly is in `LLVM_ALL_TARGETS` and is therefore built by default (and has been since October 2018), I'm not sure why rust still has it in `experimental-targets`. I'm happy to update this PR to move it into the main list of LLVM targets.
r? @alexcrichton
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build_helper: try less confusing method names
build_helper's `*_silent` methods were likely called that way because they do not print the command being run to stdout. [In the original file this all makes sense](https://github.com/rust-lang/rust/commit/046e6874c47ec55e23b7a566bca51d2920562485#diff-5c3d6537a43ecae03014e118a7fe3321). But later it also gained `*_suppressed` methods and the difference between `silent` and `suppressed` is far from clear.
So rename `run` (which prints the command being run) to `run_verbose`. Then we can call the methods that just run a command and show its output but nothing extra `run` and `try_run`.
`run_verbose` (formerly `run`) is unused from what I can tell. Should I remove it?
r? @alexcrichton
Cc @Mark-Simulacrum
Also see https://github.com/rust-lang/rust/pull/63089#discussion_r308018890.
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Added support for armv7-unknown-linux-gnueabi/musleabi
Fixes #63101
Some things that are not done and I hope someone can help me with:
* During the ci build of `armv7-unknown-linux-gnueabi` `openssl` must be built (to build cargo) but `openssl` does not yet support this target. This feels slightly like a chicken-and-egg problem, any feedback is welcome.
* Should I add any tests for any of these targets?
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Support for the targets in the compiler and std build in the CI.
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This commit moves RISC-V from the experimental LLVM targets to the
regular LLVM targets. RISC-V was made non-experimental in
https://reviews.llvm.org/rL366399
I have also sorted the list of LLVM targets, and changed the code
around setting llvm_exp_targets (and its default) to match the code
setting llvm_targets (and its default), ensuring future changes to
the defaults, as LLVM targets become stable, affect as few places as
possible.
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rustc: Stabilize options for pipelined compilation
This commit stabilizes options in the compiler necessary for Cargo to
enable "pipelined compilation" by default. The concept of pipelined
compilation, how it's implemented, and what it means for rustc are
documented in #60988. This PR is coupled with a PR against Cargo
(rust-lang/cargo#7143) which updates Cargo's support for pipelined
compliation to rustc, and also enables support by default in Cargo.
(note that the Cargo PR cannot land until this one against rustc lands).
The technical changes performed here were to stabilize the functionality
proposed in #60419 and #60987, the underlying pieces to enable pipelined
compilation support in Cargo. The issues have had some discussion during
stabilization, but the newly stabilized surface area here is:
* A new `--json` flag was added to the compiler.
* The `--json` flag can be passed multiple times.
* The value of the `--json` flag is a comma-separated list of
directives.
* The `--json` flag cannot be combined with `--color`
* The `--json` flag must be combined with `--error-format=json`
* The acceptable list of directives to `--json` are:
* `diagnostic-short` - the `rendered` field of diagnostics will have a
"short" rendering matching `--error-format=short`
* `diagnostic-rendered-ansi` - the `rendered` field of diagnostics
will be colorized with ansi color codes embedded in the string field
* `artifacts` - JSON blobs will be emitted for artifacts being emitted
by the compiler
The unstable `-Z emit-artifact-notifications` and `--json-rendered`
flags have also been removed during this commit as well.
Closes #60419
Closes #60987
Closes #60988
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Fix rustc-guide build failure ignoring no-fail-fast
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This caused clippy not being built on Linux previously.
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Fix rebase
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rustbuild
Remove some random unnecessary lint `allow`s
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error_index_generator should output stdout/stderr when it panics.
**bootstrap change**
Call error_index_generator tool using run_quiet which will additionally print std out and std err of the command when it returns an error.
(was `run` uses `run_silent` under the covers.)
Why: PR #62871 is hitting a build error but the panic isn't getting shown so its unclear what the problem is.
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This commit stabilizes options in the compiler necessary for Cargo to
enable "pipelined compilation" by default. The concept of pipelined
compilation, how it's implemented, and what it means for rustc are
documented in #60988. This PR is coupled with a PR against Cargo
(rust-lang/cargo#7143) which updates Cargo's support for pipelined
compliation to rustc, and also enables support by default in Cargo.
(note that the Cargo PR cannot land until this one against rustc lands).
The technical changes performed here were to stabilize the functionality
proposed in #60419 and #60987, the underlying pieces to enable pipelined
compilation support in Cargo. The issues have had some discussion during
stabilization, but the newly stabilized surface area here is:
* A new `--json` flag was added to the compiler.
* The `--json` flag can be passed multiple times.
* The value of the `--json` flag is a comma-separated list of
directives.
* The `--json` flag cannot be combined with `--color`
* The `--json` flag must be combined with `--error-format=json`
* The acceptable list of directives to `--json` are:
* `diagnostic-short` - the `rendered` field of diagnostics will have a
"short" rendering matching `--error-format=short`
* `diagnostic-rendered-ansi` - the `rendered` field of diagnostics
will be colorized with ansi color codes embedded in the string field
* `artifacts` - JSON blobs will be emitted for artifacts being emitted
by the compiler
The unstable `-Z emit-artifact-notifications` and `--json-rendered`
flags have also been removed during this commit as well.
Closes #60419
Closes #60987
Closes #60988
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(was `run` uses `run_silent` under the covers.)
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Add support for UWP targets
Hi,
This pull request aims at adding support for UWP (Universal Windows Apps) platform.
A few notes:
- This requires a very recent mingw-w64 version (containing this commit and the previous related ones: https://github.com/mirror/mingw-w64/commit/e8c433c871687a78408ae9b40ab7776577db908d#diff-eefdfbfe9cec5f4ebab88c9a64d423a9)
- This was tested using LLVM/clang rather than gcc, and so far it assumes that LLVM/clang will be the native compiler. This is mostly due to the fact that the support for exceptions/stack unwinding for UWP got much more attention in libunwind
- The "uwp" part of the target needs support for it in the `cc-rs` & `backtrace-rs` crates. I'll create the MR there right after I submit this one and will link everything together, but I'm not sure what's the correct way of dealing with external dependencies in the context of rust
- Enabling import libraries and copying them across stages requires a change in cargo, for which I'll open a MR right after I submit this one as well
- The i686 stack unwinding is unsupported for now, because LLVM assumes SjLj, while rust seems to assume SEH will be used. I'm unsure how to fix this
Also, this is my first encounter with rust, so please bear with my code, it might not feel so idiomatic or even correct :)
I'm pretty sure there's a way of doing things in a cleaner way when it comes to win/c.rs, maybe having a UWP & desktop specific modules, and import those conditionally? It doesn't feel right to sprinkle `#[cfg(...)]` all over the place
Off course, I'll gladly update anything you see fit (to the extent of my abilities/knowledge :) )!
Thanks,
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Fix some sanity checks
Update: Changes that made it not to work dropped.
* Fix `building_llvm` in sanity check
* This was subtly broken: we build LLVM if any of the hosts builds LLVM, and not setting the config meant that LLVM is built for that target. Because of filtering away the targets not configured and the semantics of `Iterator::any`, it currently didn't set the `building_llvm` flag even if we indeed build it.
* Add `swig` sanity check
* This checks whether there is a `swig` executable needed for LLDB.
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So that uwp-windows-gnu also gets its startup objects built
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So far it is assumed that using a DLL as a -l parameter argument is ok,
but the assumption doesn't hold when compiling the native code with
llvm.
In which case, an import library is required, so let's build one
This also requires the cargo counterpart to add the import library in
the stamp files, at least when compiling libstd. Otherwise, the files
don't get uplifted
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In `configure.py`, using the `o` function creates an enable/disable
boolean setting, and writes `true` or `false` in `config.toml`. However,
rustbuild is expecting to parse a `u32` debuginfo level. We can change
to the `v` function to have the options require a value.
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Disable Z3 in LLVM build
Avoid building LLVM with Z3 if it happens to be installed.
Fixes #62750.
r? @alexcrichton
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This updates the last of the books using mdbook 0.1, finally
removing it from the build.
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port rust for vxWorks
The supporting for vxWorks has been enabled in this branch. Although there are still a lots of work to do, I would like to upstream the code and fix the problems later.
Please let me know if there is anything I have to do before upstream the code.
r? @alexcrichton
Thanks,
Baoshan
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ci: Remove Travis/AppVeyor configuration
Now that we've fully moved to Azure Pipelines and bors has been updated
to only gate on Azure this commit removes the remaining Travis/AppVeyor
support contained in this repository. Most of the deletions here are
related to producing better output on Travis by folding certain
sections. This isn't supported by Azure so there's no need to keep it
around, and if Azure ever adds support we can always add it back!
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r? @alexcrichton
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Now that we've fully moved to Azure Pipelines and bors has been updated
to only gate on Azure this commit removes the remaining Travis/AppVeyor
support contained in this repository. Most of the deletions here are
related to producing better output on Travis by folding certain
sections. This isn't supported by Azure so there's no need to keep it
around, and if Azure ever adds support we can always add it back!
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In developing #61557 I noticed that there were two parts of our tools
that were rebuilt twice on CI. One was rustfmt fixed in #61557, but
another was Cargo. The actual fix for Cargo's double compile was
rust-lang/cargo#7010 and took some time to propagate here. In an effort
to continue to assert that Cargo is itself not compiled twice, I updated
the assertion in rustbuild at the time of working on #61557 but couldn't
land it because the fix wouldn't be ready until the next bootstrap.
The next bootstrap is now here, so the fix can now land! This does not
change the behavior of rustbuild but it is intended to catch the
previous iteration of compiling cargo twice. The main update here was to
consider more files than those in `$target/release/deps` but also
consider those in `$target/release`. That's where, for example,
`libcargo.rlib` shows up and it's the file we learn about, and that's
what we want to deduplicate.
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Update cargo-vendor usage
This contains a variety of updates to clean up the usage of cargo-vendor.
- Remove the install step for the old cargo-vendor now that it is built-in to cargo and available in the stage0 install.
- Update installation instructions, dealing with vendoring. The current instructions of running `sudo ./x.py install` is broken, it will almost always fail (since the vendor directory doesn't exist). Since the steps for properly handling this are numerous, I'm recommending removing the suggestion to use `sudo` altogether.
- If the sudo-forced-vendoring detects that the vendor directory is not available, abort with instructions on how to fix.
- Now that cargo-vendor is built-in, automatically run it if it looks like it is needed.
- Update instructions on how to install cargo.
- Remove the unused markdown link references in README/CONTRIBUTING. This reverts most of #44935. These references don't do anything if they are unused.
Closes #49269
cc #61142 #48771 #40108
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