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Right now cargotest uses `TempDir` to place output into the system temp
directory, but unfortunately this means that if the process is interrupted then
it'll leak the directory and that'll never get cleaned up. One of our bots
filled up its disk space and there were 20 cargotest directories lying around so
seems prudent to clean them up!
By putting the output in the build directory it should ensure that we don't leak
too many extra builds.
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rustbuild: Fix handling of the bootstrap key
Bring the calculation logic in line with the makefiles and also set the
RUSTC_BOOTSTRAP_KEY environment variable to enable the bootstrap on the stable
compiler.
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Add rustbuild option to use Ninja for LLVM build
This change adds support for a `ninja` option in the `[llvm]` section of rustbuild's `config.toml`. When `true`, the option enables use of the Ninja build tool. Note that this change does not add support for Ninja to the old makefile based build system.
Closes https://github.com/rust-lang/rust/issues/32809
r? @alexcrichton
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rustbuild: Skip generating docs if the config disables them.
r? @alexcrichton
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For normal invocations, print a short error message and exit. When
the verbose option is enabled, also print the backtrace.
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It looks like before these config variables weren't actually taken
into account. This patch should make the build system skip over the
documentation steps correctly.
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This verifies that the crates listed in the `[dependencies]` section of
`Cargo.toml` are a subset of the crates listed in `lib.rs` for our in-tree
crates. This should help ensure that when we refactor crates over time we keep
these dependency lists in sync.
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This commit rewrites all of the tidy checks we have, namely:
* featureck
* errorck
* tidy
* binaries
into Rust under a new `tidy` tool inside of the `src/tools` directory. This at
the same time deletes all the corresponding Python tidy checks so we can be sure
to only have one source of truth for all the tidy checks.
cc #31590
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This commit fixes the `--enable-rpath` configure flag in rustbuild to work
despite the compile-time directories being different than the runtime
directories. This unfortunately means that we can't use `-C rpath` out of the
box but hopefully the portability story here isn't too bad as
`src/librustc_back/rpath.rs` isn't *too* complicated.
Closes #32886
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Bring the calculation logic in line with the makefiles and also set the
RUSTC_BOOTSTRAP_KEY environment variable to enable the bootstrap on the stable
compiler.
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Fix cargotest
Tested in dev.
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Not much new, just bringing everything along.
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Right now if you configure multiple hosts rustbuild will only build
documentation for the build triple, but we've got all the support necessary to
build documentation for different architectures as well. This commit
reinterprets the `target` field of doc `Step` instances to be the target of the
documentation rather than the target of the rustdoc/tool being run.
This should enable `make dist` to start producing a bunch of `rust-docs`
packages for all the cross architectures that rustbuild is producing now.
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Building with `--target foo` should fail because that target wasn't actually
validated.
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Also helps provide context if it fails.
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rustbuild: Fix compile on OSX for 10.7
This commit should help configure our OSX rustbuild builder for targeting 10.7.
A key part of this is using `libc++` instead of `libstdc++` as apparently it's
more filled out and otherwise LLVM's cmake configuration would fail.
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The `rust-std` package that we produce is expected to have not only the standard
library but also libtest for compiling unit tests. Unfortunately this does not
currently happen due to the way rustbuild is structured.
There are currently two main stages of compilation in rustbuild, one for the
standard library and one for the compiler. This is primarily done to allow us to
fill in the sysroot right after the standard library has finished compiling to
continue compiling the rest of the crates. Consequently the entire compiler does
not have to explicitly depend on the standard library, and this also should
allow us to pull in crates.io dependencies into the build in the future because
they'll just naturally build against the std we just produced.
These phases, however, do not represent a cross-compiled build. Target-only
builds also require libtest, and libtest is currently part of the
all-encompassing "compiler build". There's unfortunately no way to learn about
just libtest and its dependencies (in a great and robust fashion) so to ensure
that we can copy the right artifacts over this commit introduces a new build
step, libtest.
The new libtest build step has documentation, dist, and link steps as std/rustc
already do. The compiler now depends on libtest instead of libstd, and all
compiler crates can now assume that test and its dependencies are implicitly
part of the sysroot (hence explicit dependencies being removed). This makes the
build a tad less parallel as in theory many rustc crates can be compiled in
parallel with libtest, but this likely isn't where we really need parallelism
either (all the time is still spent in the compiler).
All in all this allows the `dist-std` step to depend on both libstd and libtest,
so `rust-std` packages produced by rustbuild should start having both the
standard library and libtest.
Closes #32523
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This commit should help configure our OSX rustbuild builder for targeting 10.7.
A key part of this is using `libc++` instead of `libstdc++` as apparently it's
more filled out and otherwise LLVM's cmake configuration would fail.
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Fix building on ARM
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This reverts commit afbbb74fecb3945336520d1930bd52bed9ed0819.
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This is a new suite of tests that verifies that the compiler
builds specific revisions of select crates from crates.io.
It does not run by default. It is intended that buildbot
runs these tests against all PRs, and gate on them.
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workaround for #32360
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Apparently the NetBSD compiler-rt builds into the linux directory as well.
I'm... detecting a trend!
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This commit implements the `make dist` command in the new rustbuild build
system, porting over `dist.mk` and `prepare.mk` into Rust. There's a huge amount
of complexity between those two files, not all of which is likely justified, so
the Rust implementation is *much* smaller.
Currently the implementation still shells out to rust-installer as well as some
python scripts, but ideally we'd rewrite it all in the future to not shell out
and be in Rust proper.
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rustbuild: Fix cross compiling to FreeBSD
This commit fixes our support for cross compiling a compiler to run on FreeBSD.
Over the weekend I managed to get a cross compiler from Linux to FreeBSD [1]
which I hope to soon use to start producing FreeBSD nightly compilers. With the
`make dist` support added in #32237 we should be able to produce standard
rustc/rust-std packages for FreeBSD through a new slave with this cross compiler.
Currently, however, we don't "Just Work" when cross compiling FreeBSD and a
number of changes were required (part of this PR). They include:
* A few build fixes were needed in LLVM. Our own branch has been rebased on the
actual 3.8 release and I applied one extra commit [2] which contains two fixes:
1. The LLVM CMake build system passes the `-Wl,-z,defs` flag on many
platforms, but *not* when `CMAKE_SYSTEM_NAME` is "FreeBSD". Unfortunately
this doesn't take into account when we're cross compiling, and as predicted
the build will fail if `-Wl,-z,defs` is passed (see [3] for more info). To
fix this we test `TARGET_TRIPLE` instead of the `CMAKE_SYSTEM_NAME` which
is what we're compiling for which fixes the problem.
2. The `PATH_MAX` constant is apparently defined in a different location than
many other Unix systems, so a file which required this just needed some
help to keep compiling.
* Support for compiling compiler-rt with CMake has been added to rustbuild. It
looks like it just emulates Linux in what it compiles as it didn't seem to
naturally produce anything else... At least the architecture is right, so
seems good for now at least!
[1]: https://github.com/alexcrichton/port-of-rust/blob/master/prebuilt/freebsd/Dockerfile
[2]: https://github.com/rust-lang/llvm/commit/be89e4b5
[3]: https://bugs.webkit.org/show_bug.cgi?id=138420
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This commit fixes our support for cross compiling a compiler to run on FreeBSD.
Over the weekend I managed to get a cross compiler from Linux to FreeBSD [1]
which I hope to soon use to start producing FreeBSD nightly compilers. With the
`make dist` support added in #32237 we should be able to produce standard
rustc/rust-std packages for FreeBSD through a new slave with this cross compiler.
Currently, however, we don't "Just Work" when cross compiling FreeBSD and a
number of changes were required (part of this PR). They include:
* A few build fixes were needed in LLVM. Our own branch has been rebased on the
actual 3.8 release and I applied one extra commit [2] which contains two fixes:
1. The LLVM CMake build system passes the `-Wl,-z,defs` flag on many
platforms, but *not* when `CMAKE_SYSTEM_NAME` is "FreeBSD". Unfortunately
this doesn't take into account when we're cross compiling, and as predicted
the build will fail if `-Wl,-z,defs` is passed (see [3] for more info). To
fix this we test `TARGET_TRIPLE` instead of the `CMAKE_SYSTEM_NAME` which
is what we're compiling for which fixes the problem.
2. The `PATH_MAX` constant is apparently defined in a different location than
many other Unix systems, so a file which required this just needed some
help to keep compiling.
* Support for compiling compiler-rt with CMake has been added to rustbuild. It
looks like it just emulates Linux in what it compiles as it didn't seem to
naturally produce anything else... At least the architecture is right, so
seems good for now at least!
[1]: https://github.com/alexcrichton/port-of-rust/blob/master/prebuilt/freebsd/Dockerfile
[2]: https://github.com/rust-lang/llvm/commit/be89e4b5
[3]: https://bugs.webkit.org/show_bug.cgi?id=138420
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The facet of a stage is rarely relevant when running a tool or building
something, it's all a question of what stage the *compiler* is built in. We've
already got a nice handy `Compiler` structure to carry this information, so
let's use it!
This refactors the signature of the `Build::cargo` function two ways:
1. The `stage` argument is removed, this was just duplicated with the `compiler`
argument's stage field.
2. The `target` argument is now required. This was a bug where if the `--target`
flag isn't passed then the snapshot stage0 compiler is always used, so we
won't pick up any changes.
Much of the other changes in this commit are just propagating these decisions
outwards. For example many of the `Step` variants no longer have a stage
argument as they're baked into the compiler.
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This sets up the dynamic loader path for dylibs required, so should fix the MSVC
build right now.
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This adds a step and a rule for building the error index as part of rustbuild.
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Just always build stage1 rustdoc, it's really not that much more to build as
it's essentially just one library.
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Add a script to get run which verifies that `href` links in documents are
correct. We're always getting a steady stream of "fix a broken link" PRs and
issue reports, and we should probably just nip them all in the bud.
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The stage0 rustdoc comes from the snapshot, and we need a shim like with `rustc`
to pass `--cfg` for now.
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Instead of using a `is_std: bool`, instead use a more well-typed and
self-documenting enum to indicate the mode in which Cargo is being invoked.
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We've actually got quite a few tools that are compiled as part of our build,
let's start housing them all in a `tools` directory.
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Use a macro so it automatically picks up new steps.
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Run `cargo doc` to generate all documentation for the standard library, and also
add a target which generates documentation for the compiler as well (but don't
enable it by default).
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We'll tack on more steps here later
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- make sure we copy the third party objects (crt*.o) to the target stage directory.
- apply the x86_64-musl logic also to the i686-musl target.
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These targets don't link statically to libunwind or libc
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This commit implements documentation generation of the nomicon, the book, the
style guide, and the standalone docs. New steps were added for each one as well
as appropriate makefile targets for each one as well.
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* Fixes a warning with libc
* Brings in some new flag updates for various platforms through gcc-rs
* Otherwise routine updates here/there
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Also fix a bug where we didn't clean out previous nightlies
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This allows bootstrapping new platforms immediately in stage0
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These should all no longer be necessary as they've been folded into the
compiler.
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When cross compiling for a new host, we can't actually run the host compiler to
generate its own libs. In theory, however, all stage2 compilers (for any host)
will produce the same libraries, so we just require the build compiler to
produce the necessary host libraries and then we link those into place.
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