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Fix #35349
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This commit adds a new tool, `build-manifest`, which is used to generate a
distribution manifest of all produced artifacts. This tool is intended to
replace the `build-rust-manifest.py` script that's currently located on the
buildmaster. The intention is that we'll have a builder which periodically:
* Downloads all artifacts for a commit
* Runs `./x.py dist hash-and-sign`. This will generate `sha256` and `asc` files
as well as TOML manifests.
* Upload all generated hashes and manifests to the directory the artifacts came
from.
* Upload *all* artifacts (tarballs and hashes and manifests) to an archived
location.
* If necessary, upload all artifacts to the main location.
This script is intended to just be the second step here where orchestrating
uploads and such will all happen externally from the build system itself.
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This commit adds a new flag to the configure script,
`--enable-extended`, which is intended for specifying a desire to
compile the full suite of Rust tools such as Cargo, the RLS, etc. This
is also an indication that the build system should create combined
installers such as the pkg/exe/msi artifacts.
Currently the `--enable-extended` flag just indicates that combined
installers should be built, and Cargo is itself not compiled just yet
but rather only downloaded from its location. The intention here is to
quickly get to feature parity with the current release process and then
we can start improving it afterwards.
All new files in this PR inside `src/etc/installer` are copied from the
rust-packaging repository.
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Similar to the makefiles, pass CFG_LIBDIR_RELATIVE to cargo when building
rustc in stages > 0. This tells rustc to check the different directory.
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rustbuild: Implement DESTDIR support
This commit primarily starts supporting the `DESTDIR` environment variable like
the old build system. Along the way this brings `config.toml` up to date with
support in `config.mk` with install options supported.
Closes #38441
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In #37280 we enabled line number debugging information in release artifacts,
primarily to close out #36452 where debugging information was critical for MSVC
builds of Rust to be useful in production. This commit, however, apparently had
some unfortunate side effects.
Namely it was noticed in #37477 that if `RUST_BACKTRACE=1` was set then any
compiler error would take a very long time for the compiler to exit. The cause
of the problem here was somewhat deep:
* For all compiler errors, the compiler will `panic!` with a known value. This
tears down the main compiler thread and allows cleaning up all the various
resources. By default, however, this panic output is suppressed for "normal"
compiler errors.
* When `RUST_BACKTRACE=1` was set this caused every compiler error to generate a
backtrace.
* The libbacktrace library hits a pathological case where it spends a very long
time in its custom allocation function, `backtrace_alloc`, because the
compiler has so much debugging information. More information about this can be
found in #29293 with a summary at the end of #37477.
To solve this problem this commit simply removes debuginfo from the compiler but
not from the standard library. This should allow us to keep #36452 closed while
also closing #37477. I've measured the difference to be orders of magnitude
faster than it was before, so we should see a much quicker time-to-exit after a
compile error when `RUST_BACKTRACE=1` is set.
Closes #37477
Closes #37571
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This commit adds a new entry to the Travis matrix which performs a "distcheck",
which basically means that we create a tarball, extract that tarball, and then
build/test inside there. This ensures that the tarballs we produce are actually
able to be built/tested!
Along the way this also updates the rustbuild distcheck definition to propagate
the configure args from the top-level invocation.
Closes #38691
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rollup
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This commit switches the rustbuild build system to compiling the
compiler twice for a normal bootstrap rather than the historical three
times.
Rust is a bootstrapped language which means that a previous version of
the compiler is used to build the next version of the compiler. Over
time, however, we change many parts of compiler artifacts such as the
metadata format, symbol names, etc. These changes make artifacts from
one compiler incompatible from another compiler. Consequently if a
compiler wants to be able to use some artifacts then it itself must have
compiled the artifacts.
Historically the rustc build system has achieved this by compiling the
compiler three times:
* An older compiler (stage0) is downloaded to kick off the chain.
* This compiler now compiles a new compiler (stage1)
* The stage1 compiler then compiles another compiler (stage2)
* Finally, the stage2 compiler needs libraries to link against, so it
compiles all the libraries again.
This entire process amounts in compiling the compiler three times.
Additionally, this process always guarantees that the Rust source tree
can compile itself because the stage2 compiler (created by a freshly
created compiler) would successfully compile itself again. This
property, ensuring Rust can compile itself, is quite important!
In general, though, this third compilation is not required for general
purpose development on the compiler. The third compiler (stage2) can
reuse the libraries that were created during the second compile. In
other words, the second compilation can produce both a compiler and the
libraries that compiler will use. These artifacts *must* be compatible
due to the way plugins work today anyway, and they were created by the
same source code so they *should* be compatible as well.
So given all that, this commit switches the default build process to
only compile the compiler three times, avoiding this third compilation
by copying artifacts from the previous one. Along the way a new entry in
the Travis matrix was also added to ensure that our full bootstrap can
succeed. This entry does not run tests, though, as it should not be
necessary.
To restore the old behavior of a full bootstrap (three compiles) you can
either pass:
./configure --enable-full-bootstrap
or if you're using config.toml:
[build]
full-bootstrap = true
Overall this will hopefully be an easy 33% win in build times of the
compiler. If we do 33% less work we should be 33% faster! This in turn
should affect cycle times and such on Travis and AppVeyor positively as
well as making it easier to work on the compiler itself.
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A new option is introduced under the `[llvm]` section of `config.toml`,
`targets`, for overriding the list of LLVM targets to build support for.
The option is passed through to LLVM configure script. Also notes are
added about the implications of (ab)using the option; since the default
is not changed, and users of the option are expected to know what
they're doing anyway (as every porter should), the impact should be
minimal.
Fixes #38200.
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This commit primarily starts supporting the `DESTDIR` environment variable like
the old build system. Along the way this brings `config.toml` up to date with
support in `config.mk` with install options supported.
Closes #38441
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Add prefix to config.toml
This allows `rustbuild` to be used to install to a prefix.
```toml
[build]
prefix = "/path/to/install"
```
For example, the following `config.toml` will cause `x.py dist --install` to install to `/path/to/install`
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For example:
- we now support `-vv` to get very verbose output.
- RUSTFLAGS is respected by `x.py`
- better error messages for some cases
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This commit adds support for sccache, a ccache-like compiler which works on MSVC
and stores results into an S3 bucket. This also switches over all Travis and
AppVeyor automation to using sccache to ensure a shared and unified cache over
time which can be shared across builders.
The support for sccache manifests as a new `--enable-sccache` option which
instructs us to configure LLVM differently to use a 'sccache' binary instead of
a 'ccache' binary. All docker images for Travis builds are updated to download
Mozilla's tooltool builds of sccache onto various containers and systems.
Additionally a new `rust-lang-ci-sccache` bucket is configured to hold all of
our ccache goodies.
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rustbuild: allow dynamically linking LLVM
The makefiles and `mklldeps.py` called `llvm-config --shared-mode` to
find out if LLVM defaulted to shared or static libraries, and just went
with that. But under rustbuild, `librustc_llvm/build.rs` was assuming
that LLVM should be static, and even forcing `--link-static` for 3.9+.
Now that build script also uses `--shared-mode` to learn the default,
which should work better for pre-3.9 configured for dynamic linking, as
it wasn't possible back then to choose differently via `llvm-config`.
Further, the configure script now has a new `--enable-llvm-link-shared`
option, which allows one to manually override `--link-shared` on 3.9+
instead of forcing static.
Update: There are now four static/shared scenarios that can happen
for the supported LLVM versions:
- 3.9+: By default use `llvm-config --link-static`
- 3.9+ and `--enable-llvm-link-shared`: Use `--link-shared` instead.
- 3.8: Use `llvm-config --shared-mode` and go with its answer.
- 3.7: Just assume static, maintaining the status quo.
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rustbuild: Allow configuration of python interpreter
Add a configuration key to `config.toml`, read it from `./configure`, and add
auto-detection if none of those were specified.
Closes #35760
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The makefiles and `mklldeps.py` called `llvm-config --shared-mode` to
find out if LLVM defaulted to shared or static libraries, and just went
with that. But under rustbuild, `librustc_llvm/build.rs` was assuming
that LLVM should be static, and even forcing `--link-static` for 3.9+.
Now that build script also uses `--shared-mode` to learn the default,
which should work better for pre-3.9 configured for dynamic linking, as
it wasn't possible back then to choose differently via `llvm-config`.
Further, the configure script now has a new `--enable-llvm-link-shared`
option, which allows one to manually override `--link-shared` on 3.9+
instead of forcing static.
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Add a configuration key to `config.toml`, read it from `./configure`, and add
auto-detection if none of those were specified.
Closes #35760
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update_with_config_mk() needs to read the new llvm debuginfo config
option from config.mk. Other than that, rustbuild already supports
LLVM's RelWithDebInfo build type.
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compile-test: allow overriding nodejs binary location
Add a command-line argument to manually specify which nodejs binary should be used,
which disables the default search.
Original work done by @tari.
Fixes #34188.
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Allow passing a custom nodejs directory in configure.
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A few changes are included here:
* The `winapi` and `url` dependencies were dropped. The source code for these
projects is pretty weighty, and we're about to vendor them, so let's not
commit to that intake just yet. If necessary we can vendor them later but for
now it shouldn't be necessary.
* The `--frozen` flag is now always passed to Cargo, obviating the need for
tidy's `cargo_lock` check.
* Tidy was updated to not check the vendor directory
Closes #34687
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Fixes https://github.com/rust-lang/rust/issues/36788.
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This commit enables by default passing the `-C debuginfo=1` argument to the
compiler for the stable, beta, and nightly release channels. A new configure
option was also added, `--enable-debuginfo-lines`, to enable this behavior in
developer builds as well.
Closes #36452
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We hope to move to AppVeyor in the near future off of Buildbot + EC2. This adds
an `appveyor.yml` configuration file which is ready to run builds on the auto
branch. This is also accompanied with a few minor fixes to the build system and
such to accomodate AppVeyor.
The intention is that we're not switching over to AppVeyor entirely just yet,
but rather we'll watch the builds for a week or so. If everything checks out
then we'll start gating on AppVeyor instead of Buildbot!
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configure: Add options for separate musl roots
This allows using the `./configure` script to enable rustbuild to compile
multiple musl targets at once. We'll hopefully use this soon on our bots to
produce a bunch of targets.
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rustbuild: Add install target. #34675
It just prints to the screen currently.
r? @alexcrichton
I'm working on the next commit to actually have it install.
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This allows using the `./configure` script to enable rustbuild to compile
multiple musl targets at once. We'll hopefully use this soon on our bots to
produce a bunch of targets.
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In #36292, support was added to target musl libc for ARM targets using
rustbuild. Specifically, that change allowed the addition of per-target
"musl-root" options in the rustbuild config.toml so that multiple
targets depending on musl could be built. However, that implementation
contained a couple of omissions: the musl-root option was added to the
config, but was never added to the TOML parsing, and therefore was not
actually being loaded from config.toml. This commit rectifies that and
allows successful building of musl-based ARM targets.
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This avoids issues with mingw path conversions.
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r=alexcrichton
adding a check to bootstrap script
and a check to the rust config script
refs #36207
first crack at making configure detect nodejs
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rustbuild: per target musl-root
config.toml now accepts a target.$TARGET.musl-root key that lets you
override the "build" musl-root value, which is set via the --musl-root
flag or via the build.musl-root key.
With this change, it's now possible to compile std for several musl
targets at once. Here's are the sample commands to do such thing:
```
$ configure \
--enable-rustbuild \
--target=x86_64-unknown-linux-musl,arm-unknown-linux-musleabi \
--musl-root=/musl/x86_64-unknown-linux-musl/
$ edit config.toml && tail config.toml
[target.arm-unknown-linux-musleabi]
musl-root = "/x-tools/arm-unknown-linux-musleabi/arm-unknown-linux-musleabi/sysroot/usr"
$ make
```
r? @alexcrichton
With this we should be able to start producing releases of std for arm musl targets
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a nodejs cmd sanity check
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config.toml now accepts a target.$TARGET.musl-root key that lets you
override the "build" musl-root value, which is set via the --musl-root
flag or via the build.musl-root key.
With this change, it's now possible to compile std for several musl
targets at once. Here's are the sample commands to do such thing:
```
$ configure \
--enable-rustbuild \
--target=x86_64-unknown-linux-musl,arm-unknown-linux-musleabi \
--musl-root=/musl/x86_64-unknown-linux-musl/
$ edit config.toml && tail config.toml
[target.arm-unknown-linux-musleabi]
musl-root = "/x-tools/arm-unknown-linux-musleabi/arm-unknown-linux-musleabi/sysroot/usr"
$ make
```
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and a check to the rust config script
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to match the behavior of the old Makefile-based build system
closes #35752
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but keep them enabled by default to maintain the status quo.
When disabled shaves ~56KB off every x86_64-unknown-linux-gnu
binary.
To disable backtraces you have to use a config.toml (see
src/bootstrap/config.toml.example for details) when building rustc/std:
$ python bootstrap.py --config=config.toml
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