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Improve verify_llvm_ir config option
LLVM IR verification has been disabled by default in #51230. However, the implementation doesn't quite match what was discussed in the discussion. This patch implements two changes:
* Make `verify_llvm_ir` influence the behavior of the compiled rustc binary, rather than just the rustc build system. That is, if `verify_llvm_ir=true`, even manual invocations of the built rustc will verify LLVM IR.
* Enable verification of LLVM IR in CI, for non-deploy and deploy-alt builds. This is similar to how LLVM assertions are handled.
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Run both lldb and gdb tests
Currently lldb tests are run only on macOS, and gdb tests are only run
elsewhere. This patch changes this to run tests depending on what is
available.
One test is changed, as it was previously marked as failing on macOS,
whereas really it is a generic failure with lldb.
Closes #54721
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boostrap: dist: if a file cannot be installed because it does not exist, print its name in the error message.
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print its name in the error message.
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* Make it influence the behavior of the compiled rustc, rather than
just the rustc build system. That is, if verify_llvm_ir=true,
even manual invocations of the built rustc will verify LLVM IR.
* Enable verification of LLVM IR in CI, for non-deploy and
deploy-alt builds. This is similar to how LLVM assertions are
handled.
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pnkfelix:issue-24840-separate-bootstrap-default-for-optimize-from-debug-setting, r=nikomatsakis
During rustc bootstrap, make default for `optimize` independent of `debug`
It may have taken me three and a half years, but I'm following through on my ["threat"](https://github.com/rust-lang/rust/issues/24840#issuecomment-97911700)
Fix #24840
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Currently lldb tests are run only on macOS, and gdb tests are only run
elsewhere. This patch changes this to run tests depending on what is
available.
One test is changed, as it was previously marked as failing on macOS,
whereas really it is a generic failure with lldb.
Closes #54721
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Run debuginfo tests against rust-enabled lldb, when possible
If the rust-enabled lldb was built, then use it when running the
debuginfo tests. Updating the lldb submodule was necessary as this
needed a way to differentiate the rust-enabled lldb, so I added a line
to the --version output.
This adds compiletest commands to differentiate between the
rust-enabled and non-rust-enabled lldb, as is already done for gdb. A
new "rust-lldb" header directive is also added, but not used in this
patch; I plan to use it in #54004.
This updates all the tests.
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If the rust-enabled lldb was built, then use it when running the
debuginfo tests. Updating the lldb submodule was necessary as this
needed a way to differentiate the rust-enabled lldb, so I added a line
to the --version output.
This adds compiletest commands to differentiate between the
rust-enabled and non-rust-enabled lldb, as is already done for gdb. A
new "rust-lldb" header directive is also added, but not used in this
patch; I plan to use it in #54004.
This updates all the tests.
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`Cargo.toml`.
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Add checking for tool distribution in Tier 1
This fixes https://github.com/rust-lang/rust/issues/54483
r? @kennytm
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Make ./x.py help <cmd> invoke ./x.py <cmd> -h on its own
Fixes #49475
r? @Mark-Simulacrum
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Rename sanitizer runtime libraries on OSX
Currently we ship sanitizer libraries as they're built, but these names
unfortunately conflict with the names of the sanitizer libraries
installed on the system. If a crate, for example, links in C code that
wants to use the system sanitizer and the Rust code doesn't use
sanitizers at all, then using `cargo` may accidentally pull in the
Rust-installed sanitizer library due to a conflict in names.
This change is intended to be entirely transparent for Rust users of
sanitizers, it should only hopefully improve our story with other users!
Closes #54134
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Currently we ship sanitizer libraries as they're built, but these names
unfortunately conflict with the names of the sanitizer libraries
installed on the system. If a crate, for example, links in C code that
wants to use the system sanitizer and the Rust code doesn't use
sanitizers at all, then using `cargo` may accidentally pull in the
Rust-installed sanitizer library due to a conflict in names.
This change is intended to be entirely transparent for Rust users of
sanitizers, it should only hopefully improve our story with other users!
Closes #54134
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This patch adds a few improvements to how the build system finds
LLVM's FileCheck program.
* On Fedora, the system LLVM installs FileCheck in the "llvm"
subdirectory of the LLVM libdir. This patch teaches the build
system to look there.
* This adds a configure option to specify which llvm-config executable
to use. This is handy on systems that can parallel install multiple
versions of LLVM; for example I can now:
./configure --llvm-config=/bin/llvm-config-5.0-64
... to build against LLVM 5, rather than whatever the default
llvm-config might be.
* Finally, this adds a configure- and config.toml- option to set the
path to FileCheck. This is handy when building against an LLVM
where FileCheck was not installed. This happens on compatibility
installs of LLVM on Fedora.
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rustbuild: drop color handling
Let cargo handle that for us
Fixes #54322
Needs a beta backport
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Fix #53764.
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Let cargo handle that for us
Signed-off-by: Marc-Antoine Perennou <Marc-Antoine@Perennou.com>
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Clean up dependency tracking in Rustbuild [2/2]
Make `clear_if_dirty` calls in `Builder::cargo` with stamp dependencies for the given Mode.
Continuation of #50904
Ref issue #50509
r? @Mark-Simulacrum
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Add rustc SHA to released DWARF debuginfo
This commit updates the debuginfo that is encoded in all of our released
artifacts by default. Currently it has paths like `/checkout/src/...` but these
are a little inconsistent and have changed over time. This commit instead
attempts to actually define the file paths in our debuginfo to be consistent
between releases.
All debuginfo paths are now intended to be `/rustc/$sha` where `$sha` is the git
sha of the released compiler. Sub-paths are all paths into the git repo at that
`$sha`.
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also indicate difference between out_dir and my_out
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docs: Use dollar sign for all bash prompts
Making it consistent across the board, as most of them already use `$`.
Also split one continues bash run into two, to make it easier see
different runs: one with warning and another with error.
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This commit updates the debuginfo that is encoded in all of our released
artifacts by default. Currently it has paths like `/checkout/src/...` but these
are a little inconsistent and have changed over time. This commit instead
attempts to actually define the file paths in our debuginfo to be consistent
between releases.
All debuginfo paths are now intended to be `/rustc/$sha` where `$sha` is the git
sha of the released compiler. Sub-paths are all paths into the git repo at that
`$sha`.
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(done by matthiaskrgr, but I authored ehuss)
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Making it consistent across the board, as most of them already use `$`.
Also split one continues bash run into two, to make it easier see
different runs: one with warning and another with error.
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Update `petgraph` dependency to 0.4.13 to fix build with nightly
I wanted to build Rust from source using a local nightly compiler, but I was unable to get `bootstrap` to compile due to a naming conflict with the `find_map` function.
This PR updates the `petgraph` dependency of `bootstrap` to 0.4.13, fixing the issue.
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rustbuild: allow configuring llvm version suffix
Fixes #53852 by allowing user to install different versions of rust to the same sysroot.
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Have rust-lldb look for the rust-enabled lldb
We're shipping a rust-enabled lldb, but the "lldb" executable is not
installed into the "bin" directory by rustup. See the discussion in
https://github.com/rust-lang-nursery/rustup.rs/pull/1492 for
background on this decision. There, we agreed to have rust-lldb
prefer the rust-enabled lldb if it is installed. This patch changes
rust-lldb to look in the sysroot and use the lldb found there, if any.
See issue #48168
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This fixes building `bootstrap` using a local Rust nightly.
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Signed-off-by: Marc-Antoine Perennou <Marc-Antoine@Perennou.com>
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We're shipping a rust-enabled lldb, but the "lldb" executable is not
installed into the "bin" directory by rustup. See the discussion in
https://github.com/rust-lang-nursery/rustup.rs/pull/1492 for
background on this decision. There, we agreed to have rust-lldb
prefer the rust-enabled lldb if it is installed.
This patch changes dist.rs to put lldb into rustlib, following what
was done for the other LLVM tools in #53955, and then fixes rust-lldb
to prefer that lldb, if it exists.
See issue #48168
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update clippy submodule
updates to cafef7b576203f166add9ed143979d9775c25219
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propagate build.python into cmake
If a suitable value of Python is not on `PATH`, one can still invoke x.py
manually, which propagates `BOOTSTRAP_PYTHON` into the bootstrap
environment. But building LLVM will abort with error messages about not
being able to find Python, and instructions to set `PYTHON_EXECUTABLE`,
because nothing is done with `BOOTSTRAP_PYTHON` when invoking cmake.
Setting `build.python` in config.toml had no effect in this scenario,
either
To fix this, let's provide `PYTHON_EXECUTABLE` when invoking cmake; for
the "normal" case of Python in `PATH`, this doesn't alter any behavior.
For more unusual cases, however, this ensures cmake finds Python
properly. (This change also ensures there are no differences between
what bootstrap is using, and what cmake uses, which may be useful for
consistency's sake.)
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Previously we just weren't shipping this at all as we were only looking for the
Linux version!
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This commit tweaks the layout of a few components that we distribute to
hopefully fix across all platforms the recent issues with LLD being unable to
find the LLVM shared object. In #53245 we switched to building LLVM as a dynamic
library, which means that LLVM tools by default link to LLVM dynamically rather
than statically. This in turn means that the tools, at runtime, need to find the
LLVM shared library.
LLVM's shared library is currently distributed as part of the rustc component.
This library is located, however, at `$sysroot/lib`. The LLVM tools we ship are
in two locations:
* LLD is shipped at `$sysroot/lib/rustlib/$host/bin/rust-lld`
* Other LLVM tools are shipped at `$sysroot/bin`
Each LLVM tool has an embedded rpath directive indicating where it will search
for dynamic libraries. This currently points to `../lib` and is presumably
inserted by LLVM's build system. Unfortunately, though, this directive is only
correct for the LLVM tools at `$sysroot/bin`, not LLD!
This commit is targeted at fixing this situation by making two changes:
* LLVM tools other than LLD are moved in the distribution to
`$sysroot/lib/rustlib/$host/bin`. This moves them next to LLD and should
position them for...
* The LLVM shared object is moved to `$sysroot/lib/rustlib/$host/lib`
Together this means that all tools should natively be able to find the shared
object and the shared object should be installed all the time for the various
tools. Overall this should...
Closes #53813
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If a suitable value of Python is not on PATH, one can still invoke x.py
manually, which propagates BOOTSTRAP_PYTHON into the bootstrap
environment. But building LLVM will abort with error messages about not
being able to find Python, and instructions to set PYTHON_EXECUTABLE,
because nothing is done with BOOTSTRAP_PYTHON when invoking cmake.
Setting build.python in config.toml had no effect in this scenario,
either
To fix this, let's provide PYTHON_EXECUTABLE when invoking cmake; for
the "normal" case of Python in PATH, this doesn't alter any behavior.
For more unusual cases, however, this ensures cmake finds Python
properly. (This change also ensures there are no differences between
what bootstrap is using, and what cmake uses, which may be useful for
consistency's sake.)
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set cfg(rustdoc) when rustdoc is running on a crate
When using `#[doc(cfg)]` to document platform-specific items, it's a little cumbersome to get all the platforms' items to appear all at once. For example, the standard library adds `--cfg dox` to rustdoc's command line whenever it builds docs, and the documentation for `#![feature(doc_cfg)]` suggests using a Cargo feature to approximate the same thing. This is a little awkward, because you always need to remember to set `--features dox` whenever you build documentation.
This PR proposes making rustdoc set `#[cfg(rustdoc)]` whenever it runs on a crate, to provide an officially-sanctioned version of this that is set automatically. This way, there's a standardized way to declare that a certain version of an item is specifically when building docs.
To try to prevent the spread of this feature from happening too quickly, this PR also restricts the use of this flag to whenever `#![feature(doc_cfg)]` is active. I'm sure there are other uses for this, but right now i'm tying it to this feature. (If it makes more sense to give this its own feature, i can easily do that.)
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Update LLVM submodule
This commit updates the LLVM submodule to the current trunk of LLVM itself. This
brings a few notable improvements for the wasm target:
* Support for wasm atomic instructions is greatly improved
* Renamed memory wasm intrinsics are fully supported
* LLD has fixed a quadratic execution bug with large numbers of relocations in
wasm files.
The compiler-rt submodule has been updated in tandem as well.
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